/* roulang page: index */
:root {
            --clr-primary: #1E7A8C;
            --clr-primary-dark: #14616F;
            --clr-primary-soft: #e3f2f4;
            --clr-accent: #FF8A3C;
            --clr-accent-soft: #fff1e6;
            --clr-bg: #F5F8FA;
            --clr-card: #ffffff;
            --clr-ink: #202B33;
            --clr-muted: #5C6B76;
            --clr-soft: #94A3AD;
            --clr-line: #e6edf0;
            --clr-footer: #132C38;
            --clr-deepcard: #14616F;
            --font-sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", -apple-system, BlinkMacSystemFont, Inter, Arial, sans-serif;
            --radius-md: 14px;
            --radius-lg: 18px;
            --radius-pill: 999px;
            --shadow-xs: 0 1px 3px rgba(30, 122, 140, 0.05);
            --shadow-sm: 0 2px 12px rgba(30, 122, 140, 0.06);
            --shadow-md: 0 12px 28px rgba(30, 122, 140, 0.10);
            --shadow-lg: 0 18px 40px rgba(30, 122, 140, 0.16);
            --transition: all .22s ease;
            --space-section: 88px;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            margin: 0;
            font-family: var(--font-sans);
            font-size: 1rem;
            line-height: 1.75;
            color: var(--clr-ink);
            background-color: var(--clr-bg);
            -webkit-font-smoothing: antialiased;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input {
            font-family: inherit;
            font-size: inherit;
        }
        .container {
            max-width: 1320px;
            padding-left: 24px;
            padding-right: 24px;
        }
        .section-pad {
            padding-top: var(--space-section);
            padding-bottom: var(--space-section);
        }
        .section-head {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 16px;
            margin-bottom: 36px;
        }
        .section-title {
            font-size: 1.75rem;
            font-weight: 700;
            line-height: 1.3;
            letter-spacing: .02em;
            color: var(--clr-ink);
            position: relative;
            padding-left: 16px;
            margin: 0;
        }
        .section-title::before {
            content: "";
            position: absolute;
            left: 0;
            top: 6px;
            bottom: 6px;
            width: 4px;
            border-radius: 4px;
            background: linear-gradient(180deg, var(--clr-accent), var(--clr-primary));
        }
        .section-sub {
            color: var(--clr-muted);
            font-size: .92rem;
            margin: 6px 0 0;
        }
        .section-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--clr-primary);
            font-size: .9rem;
            font-weight: 600;
            white-space: nowrap;
            padding: 8px 16px;
            border: 1px solid rgba(30, 122, 140, .2);
            border-radius: var(--radius-pill);
            background: #fff;
            transition: var(--transition);
        }
        .section-link i {
            font-size: .82rem;
            transition: transform .22s;
        }
        .section-link:hover {
            background: var(--clr-primary);
            border-color: var(--clr-primary);
            color: #fff;
            box-shadow: var(--shadow-md);
        }
        .section-link:hover i {
            transform: translateX(3px);
        }
        .text-muted-2 {
            color: var(--clr-muted) !important;
        }
        .text-soft-2 {
            color: var(--clr-soft) !important;
        }

        /* Skip link */
        .skip-link {
            position: absolute;
            left: -999px;
            top: 8px;
            z-index: 2000;
            background: var(--clr-primary);
            color: #fff;
            padding: 8px 16px;
            border-radius: 8px;
        }
        .skip-link:focus {
            left: 8px;
        }

        /* Header */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: rgba(255, 255, 255, .96);
            backdrop-filter: blur(6px);
            border-bottom: 1px solid var(--clr-line);
            transition: box-shadow .2s;
        }
        .site-header.is-scrolled {
            box-shadow: 0 6px 24px rgba(30, 122, 140, .06);
        }
        .site-header .navbar {
            min-height: 76px;
            padding-top: .6rem;
            padding-bottom: .6rem;
        }
        .site-nav-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: nowrap;
        }
        .site-header .navbar-brand {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 0;
            margin-right: 24px;
            flex-shrink: 0;
        }
        .brand-symbol {
            width: 36px;
            height: 36px;
            border-radius: 12px;
            background: var(--clr-primary);
            color: #fff;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 1.15rem;
            box-shadow: 0 6px 14px rgba(30, 122, 140, .24);
        }
        .brand-text {
            display: flex;
            flex-direction: column;
            line-height: 1.15;
        }
        .brand-text strong {
            font-size: 1.06rem;
            font-weight: 800;
            letter-spacing: .02em;
            color: var(--clr-ink);
        }
        .brand-text small {
            font-size: .72rem;
            color: var(--clr-primary);
            font-weight: 600;
            letter-spacing: .08em;
            text-transform: uppercase;
        }
        .site-nav .nav-list {
            display: flex;
            align-items: center;
            gap: 2px;
            margin: 0;
            padding: 0;
            list-style: none;
        }
        .site-nav .nav-link-custom {
            display: inline-flex;
            align-items: center;
            padding: 8px 13px;
            font-size: .95rem;
            font-weight: 500;
            color: var(--clr-muted);
            border-radius: var(--radius-pill);
            line-height: 1.4;
            position: relative;
        }
        .site-nav .nav-link-custom:hover {
            color: var(--clr-primary);
            background: var(--clr-primary-soft);
        }
        .site-nav .nav-link-custom.active {
            color: var(--clr-primary);
            font-weight: 700;
            background: var(--clr-primary-soft);
        }
        .site-nav .nav-link-custom.active::after {
            content: "";
            position: absolute;
            width: 16px;
            height: 3px;
            border-radius: 3px;
            background: var(--clr-accent);
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
        }
        .navbar-toggler {
            border: none;
            border-radius: 10px;
            padding: 8px 10px;
            color: var(--clr-ink);
            background: var(--clr-bg);
        }
        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(30, 122, 140, .18);
        }
        .site-search {
            position: relative;
            display: flex;
            align-items: center;
            width: 210px;
        }
        .site-search .search-icon {
            position: absolute;
            left: 14px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--clr-soft);
            z-index: 2;
            font-size: .9rem;
            pointer-events: none;
        }
        .site-search .form-control {
            background: var(--clr-bg);
            border: 1px solid transparent;
            border-radius: var(--radius-pill);
            padding: 10px 16px 10px 38px;
            font-size: .88rem;
            color: var(--clr-ink);
            transition: var(--transition);
        }
        .site-search .form-control::placeholder {
            color: var(--clr-soft);
        }
        .site-search .form-control:focus {
            background: #fff;
            border-color: var(--clr-primary);
            box-shadow: 0 0 0 3px rgba(30, 122, 140, .13);
            outline: none;
        }
        .btn-login {
            padding: 8px 18px;
            font-size: .9rem;
            border-radius: var(--radius-pill);
            border: 1px solid var(--clr-line);
            background: #fff;
            color: var(--clr-ink);
            font-weight: 600;
            white-space: nowrap;
            transition: var(--transition);
        }
        .btn-login:hover {
            border-color: var(--clr-primary);
            color: var(--clr-primary);
            background: var(--clr-primary-soft);
            box-shadow: var(--shadow-sm);
        }
        .btn-enter-main {
            padding: 10px 22px;
            border-radius: var(--radius-pill);
            background: var(--clr-accent);
            border: none;
            color: #fff;
            font-weight: 700;
            font-size: .9rem;
            letter-spacing: .02em;
            white-space: nowrap;
            box-shadow: 0 6px 18px rgba(255, 138, 60, .28);
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .btn-enter-main:hover {
            background: #f2762a;
            transform: translateY(-2px);
            box-shadow: 0 10px 24px rgba(255, 138, 60, .36);
            color: #fff;
        }
        .btn-enter-main:active {
            transform: translateY(0);
            box-shadow: 0 3px 10px rgba(255, 138, 60, .3);
        }
        .btn-enter-main:focus-visible,
        .btn-login:focus-visible,
        .section-link:focus-visible {
            outline: 3px solid rgba(30, 122, 140, .35);
            outline-offset: 2px;
        }
        .navbar-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .mobile-action-search {
            margin: 16px 12px 8px;
        }
        .mobile-action-search .form-control {
            border-radius: var(--radius-pill);
            padding: 10px 16px;
            background: var(--clr-bg);
            border: none;
        }
        .navbar-collapse {
            flex-basis: auto;
            flex-grow: 0;
        }
        @media (max-width: 1199.98px) {
            .site-nav .nav-link-custom {
                padding: 8px 10px;
                font-size: .9rem;
            }
            .site-search {
                width: 176px;
            }
            .btn-enter-main {
                padding: 10px 16px;
            }
        }
        @media (max-width: 991.98px) {
            .navbar-collapse {
                background: #fff;
                border-radius: 18px;
                box-shadow: var(--shadow-md);
                padding: 14px 10px 20px;
                margin-top: 12px;
                border: 1px solid var(--clr-line);
            }
            .site-nav .nav-list {
                flex-direction: column;
                align-items: stretch;
                gap: 4px;
                padding: 0 10px;
            }
            .site-nav .nav-link-custom {
                display: flex;
                justify-content: space-between;
                padding: 12px 16px;
                font-size: 1rem;
                border-radius: 10px;
            }
            .navbar-actions {
                margin-top: 12px;
                flex-wrap: wrap;
                padding: 0 10px;
            }
        }

        /* Hero */
        .hero-section {
            background:
                radial-gradient(circle at 92% 20%, rgba(255, 138, 60, .10) 0, transparent 280px),
                radial-gradient(circle at 10% 85%, rgba(30, 122, 140, .08) 0, transparent 300px),
                var(--clr-bg);
            padding: 82px 0 60px;
            overflow: hidden;
        }
        .hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 14px;
            background: var(--clr-primary-soft);
            border-radius: var(--radius-pill);
            color: var(--clr-primary);
            font-size: .8rem;
            font-weight: 700;
            letter-spacing: .05em;
            margin-bottom: 18px;
            border: 1px solid rgba(30, 122, 140, .12);
        }
        .hero-tag .tag-dot {
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: var(--clr-accent);
            display: inline-block;
        }
        .hero-title {
            font-size: clamp(2rem, 4.6vw, 3.1rem);
            font-weight: 800;
            line-height: 1.28;
            color: var(--clr-ink);
            letter-spacing: -.01em;
            margin: 0 0 14px;
        }
        .hero-title .title-mark {
            color: var(--clr-primary);
        }
        .hero-sub {
            font-size: 1.08rem;
            color: var(--clr-muted);
            line-height: 1.9;
            max-width: 540px;
            margin: 0 0 30px;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }
        .btn-hero-main {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 26px;
            border-radius: var(--radius-pill);
            background: var(--clr-accent);
            border: none;
            box-shadow: 0 8px 22px rgba(255, 138, 60, .32);
            color: #fff;
            font-size: 1rem;
            font-weight: 700;
            letter-spacing: .03em;
            transition: var(--transition);
        }
        .btn-hero-main i {
            font-size: .86rem;
        }
        .btn-hero-main:hover {
            transform: translateY(-2px);
            background: #f2762a;
            color: #fff;
            box-shadow: 0 14px 30px rgba(255, 138, 60, .4);
        }
        .btn-hero-main:active {
            transform: translateY(0);
            box-shadow: 0 4px 10px rgba(255, 138, 60, .3);
        }
        .btn-hero-outline {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 13px 24px;
            border-radius: var(--radius-pill);
            border: 1px solid var(--clr-line);
            background: #fff;
            color: var(--clr-ink);
            font-size: 1rem;
            font-weight: 600;
            transition: var(--transition);
        }
        .btn-hero-outline:hover {
            border-color: var(--clr-primary);
            color: var(--clr-primary);
            background: var(--clr-primary-soft);
            transform: translateY(-2px);
            box-shadow: var(--shadow-sm);
        }
        .hero-figure {
            border-radius: 26px;
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            background: #fff;
            padding: 10px;
            transform: rotate(1deg);
            position: relative;
            border: 1px solid rgba(30, 122, 140, .08);
        }
        .hero-figure canvas {
            width: 100%;
        }
        .hero-figure img {
            width: 100%;
            height: 320px;
            object-fit: cover;
            border-radius: 18px;
        }
        .hero-float-card {
            position: absolute;
            bottom: 26px;
            left: 28px;
            background: rgba(255, 255, 255, .86);
            backdrop-filter: blur(10px);
            border-radius: 14px;
            padding: 12px 16px;
            box-shadow: 0 10px 26px rgba(30, 122, 140, .15);
            border: 1px solid rgba(255, 255, 255, .8);
            font-size: .82rem;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .hero-float-card i {
            color: var(--clr-accent);
            font-size: 1.2rem;
        }
        .hero-float-card strong {
            color: var(--clr-ink);
            font-weight: 700;
        }
        @media (max-width: 767.98px) {
            .hero-section {
                padding: 60px 0 48px;
            }
            .hero-figure img {
                height: 260px;
            }
            .hero-title {
                font-size: 1.9rem;
            }
        }

        /* Catalog */
        .catalog-section {
            padding: var(--space-section) 0;
        }
        .catalog-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .catalog-card {
            position: relative;
            display: flex;
            flex-direction: column;
            background: var(--clr-card);
            border: 1px solid rgba(30, 122, 140, .07);
            border-radius: 20px;
            overflow: hidden;
            box-shadow: var(--shadow-xs);
            transition: var(--transition);
        }
        .catalog-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-md);
            border-color: rgba(30, 122, 140, .16);
        }
        .catalog-card:focus-visible {
            outline: 3px solid rgba(30, 122, 140, .4);
            outline-offset: 2px;
        }
        .catalog-thumb {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 10;
            background: var(--clr-primary-soft);
        }
        .catalog-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .5s ease;
        }
        .catalog-card:hover .catalog-thumb img {
            transform: scale(1.05);
        }
        .catalog-badge {
            position: absolute;
            top: 14px;
            left: 14px;
            padding: 5px 12px;
            background: rgba(255, 255, 255, .92);
            color: var(--clr-primary);
            border-radius: var(--radius-pill);
            font-size: .72rem;
            font-weight: 700;
            letter-spacing: .05em;
            z-index: 2;
            box-shadow: var(--shadow-xs);
            backdrop-filter: blur(6px);
        }
        .catalog-badge.orange {
            background: rgba(255, 138, 60, .95);
            color: #fff;
        }
        .catalog-body {
            padding: 18px 20px 22px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .catalog-index {
            font-size: .78rem;
            font-weight: 800;
            color: var(--clr-soft);
            letter-spacing: .08em;
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 6px;
        }
        .catalog-name {
            font-size: 1.22rem;
            font-weight: 700;
            color: var(--clr-ink);
            margin: 2px 0 4px;
        }
        .catalog-desc {
            font-size: .88rem;
            color: var(--clr-muted);
            line-height: 1.6;
            margin-bottom: 14px;
        }
        .catalog-go {
            margin-top: auto;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--clr-primary);
            font-weight: 600;
            font-size: .85rem;
        }
        .catalog-go .go-icon {
            width: 28px;
            height: 28px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: var(--clr-primary-soft);
            color: var(--clr-primary);
            transition: var(--transition);
            font-size: .8rem;
        }
        .catalog-card:hover .catalog-go .go-icon {
            background: var(--clr-accent);
            color: #fff;
            transform: translateX(3px);
        }
        @media (max-width: 1199.98px) {
            .catalog-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 767.98px) {
            .catalog-grid {
                grid-template-columns: 1fr;
            }
        }

        /* Featured */
        .featured-section {
            background: #fff;
            padding: var(--space-section) 0;
            border-top: 1px solid var(--clr-line);
            border-bottom: 1px solid var(--clr-line);
        }
        .featured-panel {
            background: var(--clr-card);
            border-radius: 24px;
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid rgba(30, 122, 140, .08);
        }
        .featured-inner {
            display: grid;
            grid-template-columns: 1.05fr 1fr;
        }
        .featured-cover {
            min-height: 340px;
            background: var(--clr-primary-soft);
        }
        .featured-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .featured-content {
            padding: 38px 42px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .featured-label {
            display: inline-flex;
            align-items: center;
            align-self: flex-start;
            padding: 5px 13px;
            border-radius: var(--radius-pill);
            background: var(--clr-accent-soft);
            color: var(--clr-accent);
            font-size: .75rem;
            font-weight: 700;
            letter-spacing: .05em;
            margin-bottom: 18px;
        }
        .featured-title {
            font-size: 1.65rem;
            font-weight: 800;
            line-height: 1.45;
            color: var(--clr-ink);
            margin-bottom: 16px;
        }
        .featured-title a:hover {
            color: var(--clr-primary);
        }
        .featured-excerpt {
            color: var(--clr-muted);
            line-height: 1.9;
            margin-bottom: 24px;
        }
        .featured-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-weight: 700;
            color: var(--clr-primary);
            font-size: .95rem;
        }
        .featured-link i {
            transition: transform .22s;
        }
        .featured-link:hover {
            color: var(--clr-accent);
        }
        .featured-link:hover i {
            transform: translateX(4px);
        }
        @media (max-width: 991.98px) {
            .featured-inner {
                grid-template-columns: 1fr;
            }
            .featured-cover {
                min-height: 230px;
            }
            .featured-content {
                padding: 28px 28px 32px;
            }
        }
        @media (max-width: 575.98px) {
            .featured-title {
                font-size: 1.4rem;
            }
        }

        /* News */
        .news-section {
            padding: var(--space-section) 0;
        }
        .news-list-card {
            background: #fff;
            border-radius: 18px;
            border: 1px solid rgba(30, 122, 140, .08);
            box-shadow: var(--shadow-xs);
            padding: 8px 24px;
            overflow: hidden;
        }
        .news-list-item {
            display: grid;
            grid-template-columns: 82px 130px 1fr 38px;
            align-items: center;
            gap: 14px;
            padding: 16px 0;
            border-bottom: 1px solid var(--clr-line);
            transition: background .15s;
        }
        .news-list-item:last-child {
            border-bottom: none;
        }
        .news-list-item:hover .news-title-inner {
            color: var(--clr-primary);
        }
        .news-date {
            color: var(--clr-soft);
            font-size: .8rem;
            font-weight: 500;
            white-space: nowrap;
        }
        .news-cat {
            display: inline-block;
            width: fit-content;
            padding: 3px 10px;
            border-radius: var(--radius-pill);
            background: var(--clr-primary-soft);
            color: var(--clr-primary);
            font-size: .72rem;
            font-weight: 700;
            white-space: nowrap;
        }
        .news-title-inner {
            font-size: .98rem;
            font-weight: 700;
            color: var(--clr-ink);
            line-height: 1.5;
            transition: color .2s;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .news-desc-inner {
            display: block;
            font-size: .82rem;
            color: var(--clr-soft);
            margin-top: 2px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
            max-width: 640px;
            line-height: 1.5;
        }
        .news-arrow {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 30px;
            height: 30px;
            border-radius: 50%;
            background: var(--clr-bg);
            color: var(--clr-primary);
            font-weight: 700;
            justify-self: end;
            transition: var(--transition);
        }
        .news-list-item:hover .news-arrow {
            background: var(--clr-accent);
            color: #fff;
            transform: translateX(3px);
        }
        .news-empty {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            min-height: 240px;
            color: var(--clr-soft);
            font-size: .95rem;
            text-align: center;
        }
        .news-empty .empty-icon {
            font-size: 2.2rem;
            color: var(--clr-line);
            margin-bottom: 12px;
            line-height: 1;
        }
        @media (max-width: 767.98px) {
            .news-list-item {
                grid-template-columns: 1fr auto;
                padding: 18px 0;
                gap: 8px 16px;
            }
            .news-date {
                grid-column: 1 / -1;
                order: 1;
            }
            .news-cat {
                order: 2;
            }
            .news-main-child {
                order: 3;
                grid-column: 1;
            }
            .news-title-inner {
                white-space: normal;
            }
            .news-desc-inner {
                white-space: normal;
            }
            .news-arrow {
                order: 4;
                grid-column: 2;
                grid-row: 1 / 3;
                align-self: center;
            }
        }

        /* FAQ compact */
        .faq-slim {
            border-top: 1px solid var(--clr-line);
        }
        .faq-slim-item {
            border-bottom: 1px solid var(--clr-line);
        }
        .faq-slim-head {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 16px 4px;
            cursor: pointer;
            background: transparent;
            border: none;
            width: 100%;
            text-align: left;
            font-weight: 600;
            font-size: .95rem;
            color: var(--clr-ink);
            gap: 12px;
        }
        .faq-slim-head:hover {
            color: var(--clr-primary);
        }
        .faq-slim-icon {
            width: 26px;
            height: 26px;
            border-radius: 50%;
            border: 1px solid var(--clr-line);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            color: var(--clr-primary);
            font-size: .85rem;
            font-weight: 700;
            transition: var(--transition);
        }
        .faq-slim-head.open .faq-slim-icon {
            background: var(--clr-accent);
            color: #fff;
            border-color: var(--clr-accent);
            transform: rotate(45deg);
        }
        .faq-slim-body {
            max-height: 0;
            overflow: hidden;
            transition: max-height .3s ease;
        }
        .faq-slim-inner {
            padding: 0 40px 16px 4px;
            color: var(--clr-muted);
            font-size: .9rem;
            line-height: 1.8;
        }

        /* CTA */
        .cta-strip-section {
            padding-bottom: var(--space-section);
        }
        .cta-strip {
            position: relative;
            border-radius: 24px;
            background: var(--clr-deepcard);
            padding: 58px 60px;
            color: #fff;
            overflow: hidden;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 28px;
            box-shadow: 0 18px 44px rgba(20, 97, 111, .28);
        }
        .cta-strip::before {
            content: "";
            position: absolute;
            inset: 0;
            background-image: radial-gradient(rgba(255, 255, 255, .16) 1px, transparent 1px);
            background-size: 16px 16px;
            opacity: .1;
            pointer-events: none;
        }
        .cta-title {
            font-size: 1.75rem;
            font-weight: 800;
            letter-spacing: .02em;
            margin-bottom: 10px;
        }
        .cta-desc {
            color: rgba(255, 255, 255, .86);
            max-width: 480px;
            margin-bottom: 0;
            line-height: 1.8;
            font-size: .98rem;
        }
        .cta-actions {
            position: relative;
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            align-items: center;
            flex-shrink: 0;
        }
        .btn-cta-main {
            padding: 14px 28px;
            background: var(--clr-accent);
            color: #fff;
            border: none;
            border-radius: var(--radius-pill);
            font-weight: 700;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            box-shadow: 0 8px 22px rgba(0, 0, 0, .16);
            transition: var(--transition);
        }
        .btn-cta-main:hover {
            background: #ff9c58;
            color: #fff;
            transform: translateY(-2px);
        }
        .btn-share-icon {
            width: 46px;
            height: 46px;
            border-radius: 50%;
            background: rgba(255, 255, 255, .14);
            border: 1px solid rgba(255, 255, 255, .22);
            color: #fff;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 1.15rem;
            transition: var(--transition);
        }
        .btn-share-icon:hover {
            background: #fff;
            color: var(--clr-primary);
            transform: translateY(-3px);
        }
        @media (max-width: 991.98px) {
            .cta-strip {
                flex-direction: column;
                padding: 44px 30px;
                text-align: center;
            }
            .cta-desc {
                margin: 0 auto;
            }
        }
        @media (max-width: 575.98px) {
            .cta-title {
                font-size: 1.42rem;
            }
        }

        /* Footer */
        .site-footer {
            background: var(--clr-footer);
            color: #c8d4db;
            padding: 70px 0 0;
            font-size: .9rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.4fr;
            gap: 42px;
            padding-bottom: 48px;
        }
        .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 16px;
        }
        .footer-brand .brand-symbol {
            background: var(--clr-accent);
            box-shadow: none;
        }
        .footer-brand-text strong {
            color: #fff;
            font-size: 1.08rem;
            font-weight: 800;
        }
        .footer-brand-text small {
            color: #96b2be;
            font-size: .76rem;
            display: block;
            letter-spacing: .12em;
        }
        .footer-desc {
            color: #9bb5bf;
            max-width: 360px;
            line-height: 1.8;
            margin-bottom: 0;
            font-size: .88rem;
        }
        .footer-title {
            color: #fff;
            font-size: .98rem;
            font-weight: 700;
            margin-bottom: 18px;
            letter-spacing: .03em;
        }
        .footer-links {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .footer-links li {
            padding: 6px 0;
        }
        .footer-links a {
            color: #9bb5bf;
            transition: color .2s;
        }
        .footer-links a:hover {
            color: var(--clr-accent);
            padding-left: 4px;
        }
        .footer-note {
            background: rgba(0, 0, 0, .22);
            padding: 18px 0;
            border-top: 1px solid rgba(255, 255, 255, .06);
        }
        .footer-note-inside {
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 8px;
            color: #7699a6;
            font-size: .82rem;
        }
        @media (max-width: 991.98px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 575.98px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }

        /* Focus visible */
        :focus-visible {
            outline: 3px solid rgba(30, 122, 140, .4);
            outline-offset: 2px;
        }

        /* Scroll top */
        .back-to-top {
            position: fixed;
            right: 24px;
            bottom: 28px;
            width: 46px;
            height: 46px;
            border-radius: 50%;
            background: var(--clr-primary);
            color: #fff;
            border: none;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            box-shadow: var(--shadow-lg);
            opacity: 0;
            visibility: hidden;
            transform: translateY(12px);
            transition: var(--transition);
            z-index: 1000;
        }
        .back-to-top.show {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }
        .back-to-top:hover {
            background: var(--clr-accent);
            color: #fff;
        }

/* roulang page: article */
:root {
            --clr-primary: #1E7A8C;
            --clr-primary-dark: #14616F;
            --clr-accent: #FF8A3C;
            --clr-accent-dark: #E6721F;
            --clr-bg: #F5F8FA;
            --clr-card: #FFFFFF;
            --clr-ink: #202B33;
            --clr-text: #44535E;
            --clr-text-secondary: #5C6B76;
            --clr-muted: #94A3AD;
            --clr-footer: #132C38;
            --clr-footer-text: #C4D2DA;
            --clr-line: #E3EAF0;
            --clr-line-dark: #D7E1E8;
            --clr-soft-accent: #F1F8FA;
            --radius-xs: 8px;
            --radius-md: 14px;
            --radius-lg: 18px;
            --radius-pill: 999px;
            --shadow-soft: 0 2px 12px rgba(30, 122, 140, 0.06);
            --shadow-float: 0 12px 32px rgba(30, 122, 140, 0.13);
            --shadow-accent: 0 6px 18px rgba(255, 138, 60, 0.28);
            --transition: all 0.25s ease-in-out;
            --font-body: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Microsoft JhengHei", sans-serif;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            font-family: var(--font-body);
            font-size: 1rem;
            line-height: 1.75;
            color: var(--clr-ink);
            background-color: var(--clr-bg);
            -webkit-font-smoothing: antialiased;
        }

        img {
            max-width: 100%;
            display: block;
        }

        a {
            color: var(--clr-primary);
            text-decoration: none;
            transition: var(--transition);
        }

        a:hover {
            color: var(--clr-primary-dark);
        }

        button {
            font-family: inherit;
        }

        input {
            font-family: inherit;
        }

        .container {
            max-width: 1320px;
            padding-left: 24px;
            padding-right: 24px;
        }

        .btn {
            border-radius: var(--radius-pill);
            font-weight: 600;
        }

        .btn:focus-visible,
        a:focus-visible,
        .form-control:focus-visible,
        .form-control:focus,
        .navbar-toggler:focus {
            outline: 3px solid rgba(30, 122, 140, 0.28);
            outline-offset: 2px;
            box-shadow: 0 0 0 4px rgba(30, 122, 140, 0.1);
        }

        .form-control:focus {
            border-color: var(--clr-primary);
        }

        ::selection {
            background: rgba(30, 122, 140, 0.18);
        }

        /* ============ Header ============ */
        .site-header {
            background: #FFFFFF;
            border-bottom: 1px solid var(--clr-line);
            position: sticky;
            top: 0;
            z-index: 1040;
            transition: box-shadow .3s ease;
        }

        .site-header.is-scrolled {
            box-shadow: 0 6px 22px rgba(20, 40, 50, 0.08);
        }

        .site-header .navbar {
            min-height: 76px;
            padding-top: 0;
            padding-bottom: 0;
            background: transparent;
        }

        .site-nav-row {
            display: flex;
            align-items: center;
            flex-wrap: nowrap;
            gap: 14px;
        }

        .navbar-brand {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 6px 0;
            margin-right: 10px;
            min-width: 172px;
        }

        .brand-symbol {
            width: 34px;
            height: 34px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 12px;
            background: rgba(30, 122, 140, 0.12);
            color: var(--clr-primary-dark);
            font-size: 16px;
            flex: 0 0 34px;
        }

        .brand-text {
            display: inline-flex;
            flex-direction: column;
            line-height: 1.15;
        }

        .brand-text strong {
            font-size: 18px;
            font-weight: 800;
            letter-spacing: .04em;
            color: var(--clr-ink);
        }

        .brand-text small {
            font-size: 11px;
            color: var(--clr-primary);
            font-weight: 600;
            letter-spacing: .18em;
            margin-top: 2px;
        }

        .navbar-toggler {
            border: 1px solid var(--clr-line);
            border-radius: 10px;
            width: 42px;
            height: 38px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: var(--clr-primary);
            font-size: 18px;
            background: #fff;
        }

        .navbar-toggler:hover {
            border-color: rgba(30, 122, 140, 0.4);
            background: var(--clr-soft-accent);
        }

        .nav-list {
            display: flex;
            align-items: center;
            list-style: none;
            margin: 0;
            padding: 0;
            gap: 2px;
        }

        .nav-link-custom {
            position: relative;
            display: inline-flex;
            align-items: center;
            padding: 28px 16px;
            font-size: 15px;
            font-weight: 500;
            color: var(--clr-text);
            letter-spacing: 0.02em;
            line-height: 1;
        }

        .nav-link-custom span {
            position: relative;
            z-index: 1;
        }

        .nav-link-custom::after {
            content: "";
            position: absolute;
            left: 14px;
            right: 14px;
            bottom: 18px;
            height: 3px;
            border-radius: 999px;
            background: transparent;
            transition: var(--transition);
        }

        .nav-link-custom:hover {
            color: var(--clr-primary);
        }

        .nav-link-custom.active {
            color: var(--clr-primary);
            font-weight: 700;
        }

        .nav-link-custom.active::after {
            background: var(--clr-primary);
        }

        .navbar-actions {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .site-search {
            display: flex;
            align-items: center;
            width: 220px;
            height: 40px;
            background: #F7FAFC;
            border: 1px solid var(--clr-line);
            border-radius: 999px;
            padding: 0 6px 0 16px;
            transition: var(--transition);
            overflow: hidden;
        }

        .site-search:hover {
            border-color: var(--clr-line-dark);
        }

        .site-search:focus-within {
            background: #FFFFFF;
            border-color: var(--clr-primary);
            box-shadow: 0 0 0 4px rgba(30, 122, 140, 0.10);
        }

        .site-search .search-icon {
            color: var(--clr-primary);
            font-size: 14px;
        }

        .site-search .form-control {
            border: 0;
            background: transparent;
            height: 38px;
            box-shadow: none !important;
            outline: none !important;
            font-size: 14px;
            padding: 0 4px 0 10px;
            color: var(--clr-ink);
        }

        .site-search .form-control::placeholder {
            color: var(--clr-muted);
        }

        .btn-login {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            height: 40px;
            padding: 0 18px;
            border: 1px solid var(--clr-line-dark);
            background: #FFFFFF;
            color: var(--clr-primary);
            border-radius: var(--radius-pill);
            font-size: 14px;
            font-weight: 600;
            white-space: nowrap;
            transition: var(--transition);
        }

        .btn-login:hover {
            border-color: var(--clr-primary);
            background: var(--clr-soft-accent);
            color: var(--clr-primary-dark);
        }

        .btn-enter-main {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 7px;
            height: 42px;
            padding: 0 22px;
            background: var(--clr-accent);
            border: 0;
            color: #ffffff;
            font-size: 14px;
            font-weight: 700;
            border-radius: var(--radius-pill);
            white-space: nowrap;
            box-shadow: var(--shadow-accent);
            transition: var(--transition);
        }

        .btn-enter-main i {
            font-size: 13px;
            transition: transform .25s ease;
        }

        .btn-enter-main:hover {
            background: var(--clr-accent-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 10px 24px rgba(255, 138, 60, 0.35);
        }

        .mobile-action-search {
            width: 100%;
            margin: 14px 0 8px;
        }

        .mobile-action-btns {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            width: 100%;
            padding: 10px 0 4px;
            border-top: 1px solid var(--clr-line);
            margin-top: 8px;
        }

        .mobile-action-btns .btn-login {
            flex: 1;
        }

        .mobile-action-btns .btn-enter-main {
            flex: 2;
        }

        /* ============ Article page ============ */
        .article-page {
            padding: 36px 0 80px;
            min-height: 70vh;
        }

        .article-layout-main {
            margin-top: 8px;
        }

        .article-breadcrumb {
            display: flex;
            align-items: center;
            font-size: 14px;
            color: var(--clr-muted);
            margin: 8px 0 18px;
        }

        .article-breadcrumb ol {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 8px;
        }

        .article-breadcrumb li {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .article-breadcrumb li + li::before {
            content: "/";
            color: var(--clr-muted);
            font-size: 13px;
        }

        .article-breadcrumb a {
            color: var(--clr-text-secondary);
        }

        .article-breadcrumb a:hover {
            color: var(--clr-primary);
        }

        .article-breadcrumb .text-mute {
            color: var(--clr-muted);
        }

        .article-paper {
            background: #FFFFFF;
            border: 1px solid var(--clr-line);
            border-radius: 22px;
            box-shadow: var(--shadow-soft);
            padding: 38px 42px 42px;
        }

        .article-head {
            margin-bottom: 18px;
        }

        .article-eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(30, 122, 140, 0.1);
            color: var(--clr-primary-dark);
            font-size: 13px;
            font-weight: 600;
            padding: 5px 13px;
            border-radius: var(--radius-pill);
            letter-spacing: .04em;
            margin-bottom: 18px;
        }

        .article-eyebrow i {
            font-size: 12px;
        }

        .article-title {
            font-size: clamp(1.8rem, 3.4vw, 2.35rem);
            font-weight: 800;
            line-height: 1.32;
            color: var(--clr-ink);
            letter-spacing: -0.01em;
            margin: 0 0 20px;
        }

        .article-meta {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 14px 20px;
            font-size: 13px;
            color: var(--clr-text-secondary);
            padding-bottom: 20px;
            border-bottom: 1px solid var(--clr-line);
        }

        .meta-label {
            display: inline-flex;
            align-items: center;
            gap: 7px;
        }

        .meta-label i {
            color: var(--clr-primary);
            width: 14px;
            font-size: 14px;
        }

        .article-badge {
            display: inline-flex;
            align-items: center;
            padding: 4px 12px;
            background: rgba(255, 138, 60, 0.12);
            color: var(--clr-accent-dark);
            border-radius: var(--radius-pill);
            font-weight: 700;
            font-size: 12px;
            letter-spacing: .03em;
        }

        .post-cover {
            margin: 26px 0 28px;
        }

        .post-cover img {
            width: 100%;
            max-height: 420px;
            object-fit: cover;
            border-radius: 18px;
            box-shadow: var(--shadow-soft);
        }

        .post-cover figcaption {
            text-align: center;
            font-size: 12px;
            color: var(--clr-muted);
            margin-top: 8px;
        }

        .article-content {
            font-size: 16px;
            line-height: 1.88;
            color: var(--clr-ink);
            word-wrap: break-word;
            overflow-wrap: break-word;
        }

        .article-content p {
            margin: 0 0 1.25em;
        }

        .article-content h2 {
            font-size: 1.35rem;
            font-weight: 700;
            line-height: 1.45;
            margin: 1.9em 0 0.8em;
            padding-left: 14px;
            border-left: 4px solid var(--clr-primary);
            color: var(--clr-ink);
        }

        .article-content h3 {
            font-size: 1.12rem;
            font-weight: 700;
            margin: 1.5em 0 0.6em;
            color: var(--clr-ink);
        }

        .article-content a {
            text-decoration: underline;
            text-underline-offset: 4px;
            text-decoration-color: rgba(30, 122, 140, 0.35);
        }

        .article-content a:hover {
            color: var(--clr-accent-dark);
            text-decoration-color: var(--clr-accent);
        }

        .article-content ul,
        .article-content ol {
            margin: 0 0 1.4em;
            padding-left: 1.5em;
        }

        .article-content li {
            margin: 0.35em 0;
        }

        .article-content blockquote {
            margin: 1.6rem 0;
            padding: 16px 22px;
            border-left: 5px solid var(--clr-primary);
            border-radius: 0 14px 14px 0;
            background: var(--clr-soft-accent);
            color: var(--clr-text-secondary);
        }

        .article-content blockquote p:last-child {
            margin-bottom: 0;
        }

        .article-content img {
            max-width: 100%;
            height: auto;
            border-radius: 16px;
            margin: 1.4rem auto;
        }

        .article-content figure {
            margin: 1.6rem 0;
        }

        .article-content figure img {
            margin: 0 auto 10px;
        }

        .article-content figcaption {
            text-align: center;
            color: var(--clr-muted);
            font-size: 13px;
        }

        .article-content code {
            background: #EFF4F7;
            padding: 2px 8px;
            border-radius: 6px;
            font-size: 0.9em;
            color: var(--clr-primary-dark);
        }

        .article-content pre {
            background: var(--clr-footer);
            color: #E6EEF2;
            border-radius: 14px;
            padding: 20px;
            overflow-x: auto;
            line-height: 1.6;
            margin: 1.4rem 0;
        }

        .article-content pre code {
            background: transparent;
            padding: 0;
            color: inherit;
        }

        .article-content table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.4rem 0;
            background: #FFFFFF;
            border: 1px solid var(--clr-line);
            border-radius: 12px;
            overflow: hidden;
            display: block;
            overflow-x: auto;
        }

        .article-content th,
        .article-content td {
            padding: 12px 15px;
            border-bottom: 1px solid var(--clr-line);
            text-align: left;
            vertical-align: top;
        }

        .article-content th {
            background: var(--clr-soft-accent);
            font-weight: 700;
            color: var(--clr-primary-dark);
        }

        .article-content tr:last-child td {
            border-bottom: 0;
        }

        .article-bottom-space {
            margin-top: 32px;
            padding-top: 24px;
            border-top: 1px solid var(--clr-line);
        }

        .article-bottom-tools {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 18px;
        }

        .btn-back-simple {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 9px 18px;
            border-radius: var(--radius-pill);
            background: #FFFFFF;
            border: 1px solid var(--clr-line);
            color: var(--clr-text-secondary);
            font-size: 14px;
            font-weight: 500;
            transition: var(--transition);
        }

        .btn-back-simple i {
            color: var(--clr-primary);
            font-size: 12px;
        }

        .btn-back-simple:hover {
            border-color: var(--clr-primary);
            color: var(--clr-primary);
            background: var(--clr-soft-accent);
        }

        .btn-top-simple {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            padding: 9px 18px;
            border-radius: var(--radius-pill);
            border: 1px solid transparent;
            color: var(--clr-primary);
            background: rgba(30, 122, 140, 0.08);
            font-weight: 600;
        }

        .btn-top-simple:hover {
            background: rgba(30, 122, 140, 0.15);
            color: var(--clr-primary-dark);
        }

        .article-share-bottom {
            margin-top: 18px;
            padding-top: 20px;
            border-top: 1px dashed var(--clr-line);
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 14px;
            justify-content: space-between;
        }

        .share-lead {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--clr-text-secondary);
            font-size: 14px;
        }

        .share-lead i {
            color: var(--clr-primary);
        }

        .share-btn-group {
            display: flex;
            gap: 8px;
        }

        .circle-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: 50%;
            border: 1px solid var(--clr-line);
            background: #FFFFFF;
            color: var(--clr-text-secondary);
            font-size: 15px;
            transition: var(--transition);
        }

        .circle-btn:hover {
            background: var(--clr-soft-accent);
            border-color: var(--clr-primary);
            color: var(--clr-primary);
            transform: translateY(-2px);
            box-shadow: var(--shadow-soft);
        }

        .circle-btn.orange {
            color: var(--clr-accent-dark);
        }

        .circle-btn.orange:hover {
            background: rgba(255, 138, 60, 0.1);
            border-color: var(--clr-accent);
        }

        /* Sidebar */
        .article-sidebar {
            position: sticky;
            top: 98px;
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .side-card {
            background: #FFFFFF;
            border: 1px solid var(--clr-line);
            border-radius: 18px;
            box-shadow: var(--shadow-soft);
            padding: 22px;
        }

        .side-card-title {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 6px;
        }

        .side-card-title .side-title-bar {
            width: 4px;
            height: 18px;
            border-radius: 999px;
            background: var(--clr-primary);
        }

        .side-card-title h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--clr-ink);
            margin: 0;
        }

        .side-link-list {
            list-style: none;
            margin: 12px 0 0;
            padding: 0;
        }

        .side-link-list li {
            border-bottom: 1px solid #EDF3F6;
        }

        .side-link-list li:last-child {
            border-bottom: 0;
        }

        .side-link-list a {
            display: flex;
            align-items: center;
            gap: 12px;
            justify-content: space-between;
            padding: 13px 2px;
            color: var(--clr-text);
            font-size: 14px;
            font-weight: 500;
            line-height: 1.45;
            transition: var(--transition);
        }

        .side-link-list a:hover {
            color: var(--clr-primary);
            padding-left: 4px;
        }

        .side-link-list a:hover .list-arrow {
            transform: translateX(4px);
            color: var(--clr-primary);
        }

        .list-arrow {
            color: var(--clr-muted);
            font-size: 12px;
            flex: 0 0 auto;
            transition: transform .2s ease, color .2s ease;
        }

        .side-title-note {
            font-size: 13px;
            color: var(--clr-muted);
            margin: 8px 0 2px;
        }

        .cat-entry-hub {
            list-style: none;
            margin: 12px 0 16px;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .cat-entry-hub a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 10px 14px;
            border-radius: 12px;
            border: 1px solid var(--clr-line);
            background: #FBFCFD;
            color: var(--clr-text);
            font-size: 14px;
            transition: var(--transition);
        }

        .cat-entry-hub a:hover {
            border-color: rgba(30, 122, 140, 0.35);
            background: var(--clr-soft-accent);
            color: var(--clr-primary-dark);
            transform: translateX(3px);
        }

        .cat-entry-hub a i {
            color: var(--clr-primary);
            font-size: 13px;
            width: 16px;
        }

        .side-actions {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .btn-save-entry {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: none;
            border: 1px solid var(--clr-primary);
            color: var(--clr-primary-dark);
            border-radius: var(--radius-pill);
            padding: 9px 12px;
            font-size: 14px;
            font-weight: 600;
            transition: var(--transition);
        }

        .btn-save-entry:hover {
            background: rgba(30, 122, 140, 0.08);
            border-color: var(--clr-primary);
            transform: translateY(-1px);
        }

        .btn-save-entry.is-active {
            background: var(--clr-primary);
            border-color: var(--clr-primary);
            color: #FFFFFF;
        }

        .btn-save-entry.is-active i {
            color: #fff;
        }

        .btn-fast-back {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 9px 12px;
            border-radius: var(--radius-pill);
            background: var(--clr-soft-accent);
            border: 1px solid transparent;
            color: var(--clr-primary-dark);
            font-size: 14px;
            font-weight: 600;
            transition: var(--transition);
        }

        .btn-fast-back:hover {
            background: rgba(30, 122, 140, 0.16);
            color: var(--clr-primary-dark);
        }

        .btn-save-entry i {
            color: var(--clr-accent);
            font-size: 15px;
        }

        /* Empty / Not found */
        .not-found-panel {
            text-align: center;
            padding: 70px 40px;
            max-width: 720px;
            margin: 60px auto;
        }

        .not-found-icon {
            width: 84px;
            height: 84px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 28px;
            background: var(--clr-soft-accent);
            color: var(--clr-primary);
            font-size: 34px;
            margin-bottom: 20px;
        }

        .not-found-panel h1 {
            font-size: 28px;
            font-weight: 800;
            color: var(--clr-ink);
            margin-bottom: 10px;
        }

        .not-found-panel p {
            color: var(--clr-text-secondary);
            margin-bottom: 26px;
        }

        .btn-home-return {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: var(--clr-primary);
            color: #fff;
            border: 0;
            border-radius: var(--radius-pill);
            padding: 11px 26px;
            font-size: 15px;
            font-weight: 600;
            box-shadow: 0 6px 16px rgba(30, 122, 140, 0.20);
            transition: var(--transition);
        }

        .btn-home-return:hover {
            transform: translateY(-1px);
            background: var(--clr-primary-dark);
            color: #fff;
            box-shadow: 0 10px 26px rgba(30, 122, 140, 0.28);
        }

        /* ============ Footer ============ */
        .site-footer {
            background: var(--clr-footer);
            color: var(--clr-footer-text);
            margin-top: 0;
        }

        .site-footer .container {
            max-width: 1320px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.35fr 1fr 1fr 1.2fr;
            gap: 38px;
            padding: 58px 0 40px;
        }

        .footer-brand {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 16px;
        }

        .footer-brand .brand-symbol {
            background: rgba(255, 255, 255, 0.12);
            color: #FFFFFF;
        }

        .footer-brand-text {
            display: flex;
            flex-direction: column;
        }

        .footer-brand-text strong {
            font-size: 18px;
            font-weight: 800;
            letter-spacing: 0.05em;
            color: #fff;
            line-height: 1.2;
        }

        .footer-brand-text small {
            font-size: 11px;
            color: #8DA6B2;
            letter-spacing: 0.14em;
            margin-top: 3px;
        }

        .footer-desc {
            margin-bottom: 10px;
            color: #9EB2BC;
            font-size: 14px;
            line-height: 1.8;
        }

        .footer-title {
            color: #FFFFFF;
            font-size: 16px;
            font-weight: 700;
            margin: 8px 0 14px;
            letter-spacing: .02em;
        }

        .footer-links {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .footer-links li {
            margin-bottom: 10px;
        }

        .footer-links a {
            color: #9EB2BC;
            font-size: 14px;
            padding: 2px 0;
            display: inline-block;
        }

        .footer-links a:hover {
            color: #FFFFFF;
            padding-left: 3px;
        }

        .footer-note {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 18px 0;
            font-size: 13px;
            color: #718A97;
        }

        .footer-note-inside {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 8px;
        }

        @media (max-width: 1199.98px) {
            .navbar-brand {
                min-width: 150px;
            }

            .nav-link-custom {
                padding-left: 12px;
                padding-right: 12px;
                font-size: 14px;
            }

            .site-search {
                width: 170px;
            }

            .article-paper {
                padding: 32px 30px 36px;
            }
        }

        @media (max-width: 991.98px) {
            .site-header {
                position: sticky;
            }

            .site-nav-row {
                min-height: 64px;
                position: relative;
            }

            .site-nav-row .collapse.navbar-collapse {
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                z-index: 1045;
                background: #FFFFFF;
                border-top: 1px solid var(--clr-line);
                border-bottom: 1px solid var(--clr-line);
                box-shadow: 0 24px 40px rgba(20, 45, 60, 0.14);
                width: 100%;
                padding: 10px 24px 16px;
            }

            .nav-list {
                flex-direction: column;
                width: 100%;
            }

            .nav-link-custom {
                width: 100%;
                padding: 12px 4px;
                border-bottom: 1px solid #F0F4F7;
                justify-content: space-between;
                font-size: 15px;
            }

            .nav-link-custom::after {
                display: none;
            }

            .nav-link-custom.active {
                background: var(--clr-soft-accent);
                border-radius: 12px;
                padding-left: 12px;
                padding-right: 12px;
            }

            .navbar-actions.mobile-action-btns {
                display: flex;
            }

            .d-none.d-lg-flex {
                display: none !important;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 30px;
                padding: 48px 0 34px;
            }

            .article-sidebar {
                position: static;
                margin-top: 20px;
            }

            .article-paper {
                padding: 28px 24px;
                border-radius: 18px;
            }
        }

        @media (max-width: 767.98px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }

            .article-page {
                padding-top: 24px;
                padding-bottom: 50px;
            }

            .article-paper {
                padding: 24px 18px;
                border-radius: 16px;
            }

            .article-title {
                font-size: 1.7rem;
            }

            .article-meta {
                gap: 10px;
            }

            .post-cover img {
                border-radius: 14px;
            }

            .article-bottom-tools {
                flex-direction: column;
                align-items: flex-start;
            }

            .article-share-bottom {
                align-items: flex-start;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                padding: 40px 0 24px;
            }

            .footer-brand-text strong {
                font-size: 16px;
            }

            .footer-title {
                margin-top: 0;
            }

            .btn-enter-main {
                padding: 0 16px;
            }
        }

        @media (max-width: 520px) {
            .site-nav-row {
                gap: 8px;
            }

            .navbar-brand {
                min-width: 0;
            }

            .brand-text small {
                letter-spacing: .1em;
            }

            .brand-symbol {
                width: 30px;
                height: 30px;
                border-radius: 10px;
                font-size: 14px;
            }

            .btn-login {
                padding: 0 12px;
            }

            .btn-enter-main {
                gap: 5px;
                font-size: 13px;
                padding: 0 12px;
            }

            .footer-note-inside {
                flex-direction: column;
                text-align: center;
                justify-content: center;
            }

            .not-found-panel {
                padding: 40px 18px;
            }
        }

/* roulang page: category1 */
:root {
            --clr-primary: #1E7A8C;
            --clr-primary-dark: #14616F;
            --clr-accent: #FF8A3C;
            --clr-accent-dark: #E96E25;
            --clr-bg: #F5F8FA;
            --clr-surface: #FFFFFF;
            --clr-ink: #202B33;
            --clr-muted: #5C6B76;
            --clr-faint: #94A3AD;
            --clr-line: #E0ECEF;
            --clr-footer: #132C38;
            --clr-footer-text: #B9C7CE;
            --radius-xl: 22px;
            --radius-lg: 18px;
            --radius-md: 14px;
            --radius-sm: 10px;
            --shadow-soft: 0 2px 10px rgba(30, 122, 140, 0.06);
            --shadow-hover: 0 18px 36px rgba(30, 122, 140, 0.16);
            --font-sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
            --space-section: 80px;
        }

        * {
            box-sizing: border-box;
        }

        html {
            -webkit-text-size-adjust: 100%;
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            font-family: var(--font-sans);
            background: var(--clr-bg);
            color: var(--clr-ink);
            line-height: 1.75;
            font-size: 16px;
        }

        a {
            color: var(--clr-primary);
            text-decoration: none;
            transition: color 0.2s ease, background 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
        }

        a:hover {
            color: var(--clr-primary-dark);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button,
        input,
        textarea {
            font-family: inherit;
        }

        button:focus-visible,
        a:focus-visible,
        input:focus-visible {
            outline: 3px solid rgba(30, 122, 140, 0.38);
            outline-offset: 2px;
            border-radius: 8px;
        }

        .container,
        .container-lg {
            max-width: 1280px;
        }

        .section {
            padding: var(--space-section) 0;
        }

        .section-narrow {
            padding: 48px 0;
        }

        .section-head {
            max-width: 760px;
            margin-bottom: 44px;
        }

        .section-kicker {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--clr-primary);
            font-weight: 600;
            font-size: 0.88rem;
            letter-spacing: 0.04em;
            margin-bottom: 12px;
        }

        .section-kicker i {
            width: 26px;
            height: 26px;
            display: inline-grid;
            place-items: center;
            background: #E8F4F6;
            border-radius: 50%;
            font-size: 0.8rem;
        }

        .section-title {
            font-size: clamp(1.6rem, 2.4vw, 2.05rem);
            font-weight: 700;
            line-height: 1.35;
            letter-spacing: -0.01em;
            margin: 0 0 14px;
            color: var(--clr-ink);
        }

        .section-sub {
            font-size: 1rem;
            color: var(--clr-muted);
            margin: 0;
            max-width: 720px;
        }

        .bg-surface {
            background: var(--clr-surface);
        }

        /* 顶部导航 */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1030;
            background: rgba(255, 255, 255, 0.96);
            border-bottom: 1px solid rgba(224, 236, 239, 0.9);
            transition: box-shadow 0.28s ease;
        }

        .site-header.is-scrolled {
            box-shadow: 0 10px 26px rgba(30, 122, 140, 0.08);
        }

        .navbar {
            padding: 0;
            background: transparent;
        }

        .site-nav-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            min-height: 72px;
            flex-wrap: wrap;
        }

        .navbar-brand {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 0;
            margin: 0;
        }

        .navbar-brand .brand-symbol {
            width: 34px;
            height: 34px;
            display: inline-grid;
            place-items: center;
            background: var(--clr-primary);
            color: #fff;
            border-radius: 11px;
            font-size: 16px;
            box-shadow: 0 6px 12px rgba(30, 122, 140, 0.2);
        }

        .brand-text {
            display: flex;
            flex-direction: column;
            line-height: 1.24;
        }

        .brand-text strong {
            font-size: 18px;
            font-weight: 800;
            color: var(--clr-ink);
            letter-spacing: 0.01em;
        }

        .brand-text small {
            font-size: 11px;
            letter-spacing: 0.22em;
            color: var(--clr-muted);
            margin-top: 2px;
        }

        .site-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .nav-link-custom {
            position: relative;
            display: inline-flex;
            align-items: center;
            color: var(--clr-ink);
            font-size: 15px;
            font-weight: 500;
            padding: 12px 14px;
            border-radius: 8px;
            line-height: 1.2;
        }

        .nav-link-custom:hover {
            color: var(--clr-primary);
            background: #F0F7F8;
        }

        .nav-link-custom.active {
            color: var(--clr-primary);
            font-weight: 700;
        }

        .nav-link-custom.active::after {
            content: "";
            position: absolute;
            left: 14px;
            right: 14px;
            bottom: 6px;
            height: 3px;
            background: var(--clr-primary);
            border-radius: 99px;
        }

        .navbar-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .site-search {
            display: flex;
            align-items: center;
            gap: 8px;
            background: #F4F8FA;
            border: 1px solid var(--clr-line);
            border-radius: 999px;
            padding: 4px 8px 4px 14px;
            transition: border-color 0.22s ease, background 0.22s ease, box-shadow 0.22s ease;
        }

        .site-search:focus-within {
            background: #fff;
            border-color: var(--clr-primary);
            box-shadow: 0 0 0 4px rgba(30, 122, 140, 0.1);
        }

        .site-search .search-icon {
            color: var(--clr-faint);
            font-size: 0.95rem;
        }

        .site-search .form-control {
            width: 172px;
            border: 0;
            background: transparent;
            padding: 8px 6px 8px 0;
            font-size: 0.92rem;
            color: var(--clr-ink);
            border-radius: 0;
            box-shadow: none;
        }

        .site-search .form-control::placeholder {
            color: var(--clr-faint);
        }

        .site-search .form-control:focus {
            outline: none;
            box-shadow: none;
        }

        .btn-login {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-height: 40px;
            padding: 0 18px;
            border: 1px solid var(--clr-line);
            border-radius: 999px;
            color: var(--clr-primary);
            font-weight: 600;
            font-size: 0.9rem;
            background: #fff;
            transition: border-color 0.2s ease, background 0.2s ease;
        }

        .btn-login:hover {
            border-color: var(--clr-primary);
            background: #F0FAFB;
            color: var(--clr-primary);
        }

        .btn-enter-main {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            min-height: 44px;
            padding: 0 20px;
            border: 0;
            background: var(--clr-accent);
            color: #fff;
            font-weight: 700;
            font-size: 0.92rem;
            border-radius: 999px;
            box-shadow: 0 10px 20px rgba(255, 138, 60, 0.24);
            transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
        }

        .btn-enter-main:hover {
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 12px 24px rgba(255, 138, 60, 0.32);
            background: var(--clr-accent-dark);
        }

        .navbar-toggler {
            border: 0;
            color: var(--clr-ink);
            box-shadow: none;
            background: #F4F8FA;
            border-radius: 10px;
            width: 46px;
            height: 42px;
            font-size: 1.2rem;
        }

        .navbar-toggler:hover,
        .navbar-toggler:focus {
            outline: none;
            box-shadow: none;
            background: #E7F0F3;
        }

        @media (max-width: 991.98px) {
            .site-header .navbar-collapse {
                background: #fff;
                border: 1px solid var(--clr-line);
                border-radius: 20px;
                padding: 18px;
                margin: 12px 0 18px;
                box-shadow: 0 14px 34px rgba(20, 97, 111, 0.1);
            }

            .site-nav {
                flex-direction: column;
                align-items: stretch;
                gap: 0;
                margin-bottom: 8px;
            }

            .nav-link-custom {
                padding: 13px 12px;
                border-bottom: 1px solid #EAF2F4;
            }

            .nav-link-custom.active::after {
                left: 12px;
                right: auto;
                bottom: 8px;
                width: 24px;
            }

            .site-search {
                width: 100%;
                margin: 14px 0;
            }

            .site-search .form-control {
                width: 100%;
            }

            .mobile-action-btns {
                display: grid;
                grid-template-columns: 1fr 1fr;
                gap: 0;
            }

            .mobile-action-btns .btn-login,
            .mobile-action-btns .btn-enter-main {
                justify-content: center;
                min-height: 44px;
            }
        }

        /* 页面 Hero */
        .page-hero {
            position: relative;
            overflow: hidden;
        }

        .category-hero {
            min-height: 340px;
            display: flex;
            align-items: center;
            padding: 64px 0;
            background: var(--clr-bg);
        }

        .category-hero .hero-bg {
            position: absolute;
            inset: 0;
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
        }

        .category-hero .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, rgba(255, 255, 255, 0.94) 0%, rgba(255, 255, 255, 0.82) 48%, rgba(245, 248, 250, 0.3) 100%);
        }

        .category-hero .hero-content {
            position: relative;
            z-index: 2;
            max-width: 820px;
            padding: 18px 0;
        }

        .hero-breadcrumb {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            align-items: center;
            list-style: none;
            padding: 0;
            margin: 0 0 22px;
            font-size: 0.88rem;
            color: var(--clr-muted);
        }

        .hero-breadcrumb li {
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .hero-breadcrumb li + li::before {
            content: "/";
            color: var(--clr-faint);
        }

        .hero-breadcrumb a {
            color: var(--clr-muted);
        }

        .hero-breadcrumb a:hover {
            color: var(--clr-primary);
        }

        .hero-kicker {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--clr-primary);
            background: rgba(30, 122, 140, 0.08);
            border: 1px solid rgba(30, 122, 140, 0.12);
            padding: 6px 14px;
            border-radius: 999px;
            font-size: 0.83rem;
            font-weight: 600;
            letter-spacing: 0.04em;
            margin-bottom: 16px;
        }

        .hero-kicker .dot {
            width: 7px;
            height: 7px;
            background: var(--clr-accent);
            border-radius: 99px;
            box-shadow: 0 0 0 3px rgba(255, 138, 60, 0.2);
        }

        .category-hero h1 {
            font-size: clamp(2rem, 4.6vw, 3rem);
            font-weight: 800;
            color: var(--clr-ink);
            line-height: 1.3;
            margin: 0 0 18px;
            letter-spacing: -0.02em;
        }

        .hero-lead {
            color: var(--clr-muted);
            font-size: 1.06rem;
            max-width: 650px;
            line-height: 1.9;
            margin-bottom: 28px;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }

        .btn-access {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 9px;
            min-height: 48px;
            padding: 0 24px;
            background: var(--clr-accent);
            color: #fff;
            border: 0;
            border-radius: 999px;
            font-size: 0.95rem;
            font-weight: 700;
            box-shadow: 0 12px 24px rgba(255, 138, 60, 0.24);
            transition: transform 0.22s ease, box-shadow 0.22s ease, background 0.22s ease;
        }

        .btn-access:hover {
            color: #fff;
            background: var(--clr-accent-dark);
            transform: translateY(-2px);
            box-shadow: 0 16px 28px rgba(255, 138, 60, 0.32);
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 9px;
            min-height: 48px;
            padding: 0 24px;
            background: #fff;
            color: var(--clr-primary);
            border: 1px solid rgba(30, 122, 140, 0.24);
            border-radius: 999px;
            font-size: 0.95rem;
            font-weight: 600;
            box-shadow: 0 4px 12px rgba(30, 122, 140, 0.05);
            transition: transform 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease;
        }

        .btn-outline:hover {
            color: var(--clr-primary);
            border-color: var(--clr-primary);
            transform: translateY(-2px);
            box-shadow: 0 10px 20px rgba(30, 122, 140, 0.12);
        }

        /* 目录导览卡片 */
        .guide-card-grid {
            display: grid;
            grid-template-columns: repeat(2, minmax(0, 1fr));
            gap: 24px;
        }

        .guide-card {
            background: #fff;
            border: 1px solid #E8F0F2;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-soft);
            transition: transform 0.26s ease, box-shadow 0.26s ease, border-color 0.26s ease;
            height: 100%;
            display: flex;
            flex-direction: column;
        }

        .guide-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(30, 122, 140, 0.18);
        }

        .guide-media {
            position: relative;
            display: block;
            aspect-ratio: 16 / 9;
            overflow: hidden;
            border-radius: 0;
            background: #E4EDF0;
        }

        .guide-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.6s ease;
        }

        .guide-card:hover .guide-media img {
            transform: scale(1.03);
        }

        .guide-media .guide-tag {
            position: absolute;
            top: 14px;
            left: 14px;
            background: rgba(255, 255, 255, 0.94);
            color: var(--clr-primary);
            border-radius: 999px;
            padding: 5px 12px;
            font-size: 0.78rem;
            font-weight: 700;
            letter-spacing: 0.02em;
            backdrop-filter: blur(6px);
            box-shadow: 0 4px 12px rgba(32, 43, 51, 0.08);
        }

        .guide-media .guide-index {
            position: absolute;
            right: 14px;
            bottom: 14px;
            width: 38px;
            height: 38px;
            display: inline-grid;
            place-items: center;
            border-radius: 50%;
            background: var(--clr-primary);
            color: #fff;
            font-size: 16px;
            font-weight: 700;
            box-shadow: 0 8px 16px rgba(30, 122, 140, 0.28);
        }

        .guide-body {
            padding: 22px 24px 24px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .guide-channel {
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--clr-faint);
            letter-spacing: 0.04em;
            margin-bottom: 6px;
        }

        .guide-title {
            font-size: 1.12rem;
            font-weight: 700;
            color: var(--clr-ink);
            margin: 0 0 8px;
            line-height: 1.5;
        }

        .guide-title a {
            color: var(--clr-ink);
        }

        .guide-title a:hover {
            color: var(--clr-primary);
        }

        .guide-desc {
            color: var(--clr-muted);
            font-size: 0.95rem;
            line-height: 1.8;
            margin: 0;
        }

        .guide-read {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--clr-primary);
            font-weight: 600;
            font-size: 0.9rem;
            margin-top: 20px;
        }

        .guide-read i {
            transition: transform 0.2s ease;
        }

        .guide-read:hover {
            color: var(--clr-accent);
        }

        .guide-read:hover i {
            transform: translateX(4px);
        }

        /* 精选条目组 */
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(2, minmax(0, 1fr));
            gap: 24px;
        }

        .feature-entry {
            display: grid;
            grid-template-columns: minmax(120px, 176px) 1fr;
            gap: 20px;
            background: #fff;
            border: 1px solid #E8F0F2;
            border-radius: var(--radius-lg);
            padding: 16px;
            box-shadow: var(--shadow-soft);
            transition: transform 0.26s ease, box-shadow 0.26s ease;
        }

        .feature-entry:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }

        .feature-thumb {
            display: block;
            overflow: hidden;
            border-radius: 12px;
            aspect-ratio: 4 / 3;
            background: #E4EDF0;
        }

        .feature-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.6s ease;
        }

        .feature-entry:hover .feature-thumb img {
            transform: scale(1.04);
        }

        .feature-body {
            display: flex;
            flex-direction: column;
            align-items: flex-start;
            padding-right: 4px;
        }

        .feature-entry .badge-topic {
            display: inline-block;
            background: #EAF5F7;
            color: var(--clr-primary);
            font-size: 0.76rem;
            font-weight: 700;
            border-radius: 999px;
            padding: 3px 10px;
            margin-bottom: 10px;
        }

        .feature-title {
            font-size: 1rem;
            font-weight: 700;
            line-height: 1.5;
            margin: 0 0 8px;
        }

        .feature-title a {
            color: var(--clr-ink);
        }

        .feature-title a:hover {
            color: var(--clr-primary);
        }

        .feature-summary {
            font-size: 0.88rem;
            color: var(--clr-muted);
            line-height: 1.7;
            margin: 0;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .feature-more {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            margin-top: auto;
            padding-top: 12px;
            font-size: 0.86rem;
            font-weight: 600;
            color: var(--clr-primary);
        }

        .feature-more:hover {
            color: var(--clr-accent);
        }

        /* 内容覆盖说明 */
        .coverage-grid {
            display: grid;
            grid-template-columns: repeat(4, minmax(0, 1fr));
            gap: 18px;
        }

        .coverage-item {
            border: 1px solid #E8F0F2;
            border-radius: var(--radius-md);
            padding: 20px;
            background: #fff;
            box-shadow: var(--shadow-soft);
            height: 100%;
        }

        .coverage-item .coverage-icon {
            width: 40px;
            height: 40px;
            border-radius: 12px;
            display: inline-grid;
            place-items: center;
            background: #EAF5F7;
            color: var(--clr-primary);
            font-size: 1rem;
            margin-bottom: 14px;
        }

        .coverage-item h3 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--clr-ink);
            margin: 0 0 6px;
        }

        .coverage-item p {
            font-size: 0.86rem;
            color: var(--clr-muted);
            margin: 0;
            line-height: 1.7;
        }

        /* 阅读路径指南 */
        .deep-guide {
            position: relative;
            background: var(--clr-primary-dark);
            border-radius: var(--radius-xl);
            padding: 48px;
            color: #fff;
            overflow: hidden;
            box-shadow: 0 20px 36px rgba(20, 97, 111, 0.18);
        }

        .deep-guide::before {
            content: "";
            position: absolute;
            inset: 0;
            background-image: radial-gradient(rgba(255, 255, 255, 0.16) 1px, transparent 1px);
            background-size: 24px 24px;
            opacity: 0.28;
            pointer-events: none;
        }

        .deep-guide .guide-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 138, 60, 0.92);
            color: #fff;
            font-size: 0.82rem;
            font-weight: 700;
            padding: 5px 12px;
            border-radius: 999px;
            margin-bottom: 16px;
        }

        .deep-guide h2 {
            font-size: clamp(1.6rem, 3vw, 2rem);
            font-weight: 800;
            margin: 0 0 12px;
            color: #fff;
            position: relative;
            z-index: 1;
        }

        .deep-guide > p {
            color: rgba(255, 255, 255, 0.78);
            max-width: 620px;
            margin: 0 0 32px;
            position: relative;
            z-index: 1;
        }

        .guide-steps {
            display: grid;
            grid-template-columns: repeat(3, minmax(0, 1fr));
            gap: 22px;
            position: relative;
            z-index: 1;
        }

        .guide-step {
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.14);
            border-radius: 18px;
            padding: 22px;
        }

        .guide-step .step-num {
            display: inline-grid;
            width: 34px;
            height: 34px;
            border-radius: 50%;
            background: var(--clr-accent);
            color: #fff;
            font-weight: 700;
            font-size: 15px;
            place-items: center;
            margin-bottom: 12px;
        }

        .guide-step h3 {
            font-size: 1.02rem;
            font-weight: 700;
            color: #fff;
            margin: 0 0 6px;
        }

        .guide-step p {
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.88rem;
            margin: 0;
            line-height: 1.65;
        }

        /* FAQ */
        .faq-layout {
            max-width: 860px;
            margin-left: auto;
            margin-right: auto;
        }

        .faq-topline {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            margin-bottom: 28px;
        }

        .faq-topline p {
            margin: 0;
            color: var(--clr-muted);
            font-size: 0.94rem;
        }

        .faq-topline a {
            font-weight: 600;
            white-space: nowrap;
        }

        .faq-list {
            border-top: 1px solid var(--clr-line);
        }

        .faq-item {
            border-bottom: 1px solid var(--clr-line);
            transition: background 0.2s ease;
        }

        .faq-item:has(.faq-toggle[aria-expanded="true"]) {
            background: #F1F9FB;
        }

        .faq-toggle {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 18px;
            background: none;
            border: 0;
            padding: 22px 6px;
            text-align: left;
            color: var(--clr-ink);
            font-size: 1.02rem;
            font-weight: 700;
            line-height: 1.5;
            border-radius: 0;
        }

        .faq-toggle:hover {
            color: var(--clr-primary);
        }

        .faq-icon {
            flex: 0 0 auto;
            width: 30px;
            height: 30px;
            border: 1.5px solid var(--clr-primary);
            border-radius: 50%;
            display: inline-grid;
            place-items: center;
            color: var(--clr-primary);
            font-size: 14px;
            transition: transform 0.25s ease, background 0.25s ease, border-color 0.25s ease, color 0.25s ease;
        }

        .faq-toggle[aria-expanded="true"] .faq-icon {
            transform: rotate(45deg);
            background: var(--clr-accent);
            border-color: var(--clr-accent);
            color: #fff;
        }

        .faq-body {
            padding: 0 42px 24px 6px;
            color: var(--clr-muted);
            font-size: 0.94rem;
            line-height: 1.9;
        }

        .faq-body p {
            margin: 0 0 8px;
        }

        .faq-body p:last-child {
            margin-bottom: 0;
        }

        /* 底部相关入口 */
        .related-area {
            border: 1px solid #E8F0F2;
            border-radius: var(--radius-xl);
            background: #fff;
            padding: 40px 44px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 30px;
            box-shadow: var(--shadow-soft);
        }

        .related-area-text h2 {
            font-size: 1.65rem;
            font-weight: 800;
            margin: 0 0 10px;
        }

        .related-area-text p {
            font-size: 0.98rem;
            color: var(--clr-muted);
            margin: 0;
        }

        .related-area-actions {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        /* 页脚 */
        .site-footer {
            background: var(--clr-footer);
            color: var(--clr-footer-text);
            padding-top: 60px;
            margin-top: 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1.3fr;
            gap: 42px;
            padding-bottom: 42px;
        }

        .footer-brand {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 16px;
        }

        .footer-brand .brand-symbol {
            width: 34px;
            height: 34px;
            background: var(--clr-primary);
            color: #fff;
            border-radius: 11px;
            display: inline-grid;
            place-items: center;
            font-size: 16px;
        }

        .footer-brand-text {
            display: flex;
            flex-direction: column;
            line-height: 1.25;
        }

        .footer-brand-text strong {
            color: #fff;
            font-size: 17px;
            font-weight: 800;
        }

        .footer-brand-text small {
            color: rgba(255, 255, 255, 0.5);
            letter-spacing: 0.14em;
            font-size: 11px;
            margin-top: 3px;
        }

        .footer-desc {
            color: rgba(255, 255, 255, 0.58);
            font-size: 0.9rem;
            line-height: 1.85;
            margin: 0;
        }

        .footer-title {
            color: #fff;
            font-size: 15px;
            font-weight: 700;
            margin: 0 0 16px;
            letter-spacing: 0.02em;
        }

        .footer-links {
            list-style: none;
            margin: 0;
            padding: 0;
            display: grid;
            grid-template-columns: 1fr;
            gap: 10px;
        }

        .footer-links a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.9rem;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: color 0.2s ease;
        }

        .footer-links a:hover {
            color: #fff;
        }

        .footer-note {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding: 16px 0;
        }

        .footer-note-inside {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: space-between;
            gap: 6px;
            color: rgba(255, 255, 255, 0.42);
            font-size: 0.82rem;
        }

        @media (min-width: 992px) {
            .footer-note-inside {
                flex-direction: row;
            }
        }

        /* 响应式 */
        @media (max-width: 1199.98px) {
            :root {
                --space-section: 68px;
            }

            .site-search .form-control {
                width: 140px;
            }

            .coverage-grid {
                grid-template-columns: repeat(2, minmax(0, 1fr));
            }
        }

        @media (max-width: 991.98px) {
            .section {
                padding: 56px 0;
            }

            .navbar-actions .site-search {
                display: none;
            }

            .feature-grid {
                grid-template-columns: 1fr;
            }

            .guide-card-grid {
                grid-template-columns: 1fr;
            }

            .footer-grid {
                grid-template-columns: repeat(2, minmax(0, 1fr));
                gap: 32px;
            }
        }

        @media (max-width: 767.98px) {
            :root {
                --space-section: 48px;
            }

            .category-hero {
                min-height: 0;
                padding: 44px 0;
            }

            .category-hero .hero-overlay {
                background: linear-gradient(180deg, rgba(255, 255, 255, 0.94) 0%, rgba(255, 255, 255, 0.88) 100%);
            }

            .hero-actions .btn-access,
            .hero-actions .btn-outline {
                width: 100%;
            }

            .feature-entry {
                grid-template-columns: 1fr;
            }

            .feature-thumb {
                aspect-ratio: 16 / 9;
            }

            .guide-steps {
                grid-template-columns: 1fr;
                gap: 14px;
            }

            .deep-guide {
                padding: 28px 22px;
            }

            .coverage-grid {
                grid-template-columns: 1fr;
            }

            .related-area {
                flex-direction: column;
                padding: 28px 24px;
            }

            .related-area-actions {
                width: 100%;
            }

            .related-area-actions .btn-access {
                flex: 1;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 26px;
                padding-bottom: 32px;
            }
        }

        @media (max-width: 575.98px) {
            .guide-body,
            .related-area {
                padding-left: 20px;
                padding-right: 20px;
            }

            .feature-entry {
                padding: 12px;
            }

            .faq-topline {
                align-items: flex-start;
                flex-direction: column;
            }

            .faq-body {
                padding-right: 8px;
            }

            .section-head {
                margin-bottom: 28px;
            }
        }

/* roulang page: category3 */
:root {
            --clr-primary: #1E7A8C;
            --clr-primary-deep: #14616F;
            --clr-accent: #FF8A3C;
            --clr-accent-dark: #E56F24;
            --clr-bg: #F5F8FA;
            --clr-bg-elevated: #FFFFFF;
            --clr-ink: #202B33;
            --clr-text-secondary: #5C6B76;
            --clr-text-tertiary: #94A3AD;
            --clr-border: #E2E8F0;
            --clr-footer-bg: #132C38;
            --clr-footer-text: #A9BBC7;
            --clr-soft-primary-bg: #EDF6F8;
            --clr-soft-accent-bg: #FFF1E6;
            --clr-tag-bg: #E1F0F3;
            --radius: 16px;
            --radius-md: 12px;
            --radius-lg: 22px;
            --shadow-soft: 0 2px 10px rgba(30, 122, 140, 0.06);
            --shadow-hover: 0 12px 30px rgba(30, 122, 140, 0.14);
            --shadow-cta: 0 8px 24px rgba(255, 138, 60, 0.3);
            --font-body: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Arial, sans-serif;
            --container-width: 1280px;
            --space-section: 90px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-body);
            background-color: var(--clr-bg);
            color: var(--clr-ink);
            line-height: 1.75;
            margin: 0;
            -webkit-font-smoothing: antialiased;
        }

        body.modal-open {
            overflow-x: hidden;
        }

        img {
            max-width: 100%;
            vertical-align: middle;
        }

        a {
            color: var(--clr-primary);
            text-decoration: none;
            transition: color .2s ease;
        }

        a:hover {
            color: var(--clr-accent-dark);
        }

        p {
            margin-top: 0;
        }

        button,
        input {
            font-family: inherit;
        }

        :focus-visible {
            outline: 3px solid rgba(30, 122, 140, .6);
            outline-offset: 2px;
            border-radius: 4px;
        }

        .container {
            max-width: var(--container-width);
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        @media (max-width: 991px) {
            .container {
                padding-left: 20px;
                padding-right: 20px;
            }
        }

        /* =============== 顶部导航 =============== */
        .site-header {
            background-color: #fff;
            border-bottom: 1px solid var(--clr-border);
            position: sticky;
            top: 0;
            z-index: 1030;
            transition: box-shadow .25s ease;
        }

        .site-header.scrolled {
            box-shadow: 0 6px 20px rgba(32, 43, 51, .06);
            border-bottom-color: transparent;
        }

        .navbar {
            padding-top: 0;
            padding-bottom: 0;
            min-height: 74px;
        }

        .site-nav-row {
            min-height: 74px;
            flex-wrap: nowrap;
        }

        .navbar-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-right: 22px;
            padding-top: 0;
            padding-bottom: 0;
            min-width: max-content;
        }

        .brand-symbol {
            width: 36px;
            height: 36px;
            background: linear-gradient(145deg, var(--clr-primary) 0%, var(--clr-primary-deep) 100%);
            border-radius: 12px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 16px;
            box-shadow: 0 4px 10px rgba(30, 122, 140, .22);
            flex: 0 0 auto;
        }

        .brand-text {
            display: flex;
            flex-direction: column;
            line-height: 1.2;
        }

        .brand-text strong {
            font-size: 1.1rem;
            font-weight: 800;
            letter-spacing: .4px;
            color: var(--clr-ink);
        }

        .brand-text small {
            font-size: .7rem;
            letter-spacing: 2.4px;
            color: var(--clr-primary);
            font-weight: 600;
            text-transform: uppercase;
        }

        .site-nav.nav-list {
            display: flex;
            gap: 0;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .site-nav.nav-list>li {
            margin: 0 2px;
        }

        .site-nav.nav-list .nav-link-custom {
            display: flex;
            align-items: center;
            height: 74px;
            padding: 0 16px;
            font-size: .96rem;
            font-weight: 500;
            color: var(--clr-text-secondary);
            position: relative;
            gap: 6px;
        }

        .site-nav.nav-list .nav-link-custom span {
            display: inline-flex;
            align-items: center;
        }

        .site-nav.nav-list .nav-link-custom::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 14px;
            right: 14px;
            height: 3px;
            border-radius: 4px 4px 0 0;
            background-color: var(--clr-primary);
            transform: scaleX(0);
            transition: transform .25s ease, opacity .25s ease;
            opacity: 0;
        }

        .site-nav.nav-list .nav-link-custom:hover {
            color: var(--clr-primary);
        }

        .site-nav.nav-list .nav-link-custom:hover::after,
        .site-nav.nav-list .nav-link-custom.active::after {
            transform: scaleX(1);
            opacity: 1;
        }

        .site-nav.nav-list .nav-link-custom.active {
            color: var(--clr-primary);
            font-weight: 700;
        }

        .navbar-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex: 0 0 auto;
            margin-left: auto;
            padding-left: 16px;
        }

        .site-search {
            position: relative;
        }

        .site-search .search-icon {
            position: absolute;
            left: 14px;
            top: 50%;
            transform: translateY(-50%);
            font-size: .82rem;
            color: var(--clr-text-tertiary);
            pointer-events: none;
            z-index: 2;
        }

        .site-search .form-control {
            background-color: var(--clr-bg);
            border: 1px solid var(--clr-border);
            border-radius: 999px;
            font-size: .85rem;
            padding: .55rem 1rem .55rem 38px;
            width: 220px;
            color: var(--clr-ink);
            transition: all .2s;
            box-shadow: none;
            height: 40px;
        }

        .site-search .form-control::placeholder {
            color: var(--clr-text-tertiary);
        }

        .site-search .form-control:focus {
            border-color: var(--clr-primary);
            background-color: #fff;
            box-shadow: 0 0 0 .2rem rgba(30, 122, 140, .08);
        }

        .btn-login,
        .btn-enter-main {
            display: inline-block;
            font-weight: 600;
            border-radius: 999px;
            transition: all .25s ease;
            white-space: nowrap;
            text-align: center;
        }

        .btn-login {
            border: 1px solid var(--clr-border);
            background-color: #fff;
            color: var(--clr-text-secondary);
            font-size: .86rem;
            padding: .5rem 1.05rem;
        }

        .btn-login:hover {
            border-color: var(--clr-primary);
            color: var(--clr-primary);
            background-color: var(--clr-soft-primary-bg);
        }

        .btn-enter-main {
            background-color: var(--clr-accent);
            border: 1px solid var(--clr-accent);
            color: #fff;
            padding: .58rem 1.2rem;
            font-size: .88rem;
            box-shadow: 0 6px 18px rgba(255, 138, 60, .22);
        }

        .btn-enter-main i {
            font-size: .8rem;
            margin-left: 4px;
            transition: transform .2s ease;
        }

        .btn-enter-main:hover {
            transform: translateY(-1px);
            background-color: var(--clr-accent-dark);
            border-color: var(--clr-accent-dark);
            color: #fff;
            box-shadow: 0 10px 22px rgba(255, 138, 60, .3);
        }

        .mobile-action-search,
        .mobile-action-btns {
            display: none;
        }

        .navbar-toggler {
            border: none;
            font-size: 1.3rem;
            color: var(--clr-primary);
            padding: .25rem .4rem;
            background-color: transparent;
            line-height: 1;
        }

        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(30, 122, 140, .25);
        }

        /* 折叠菜单（移动端） */
        @media (max-width: 991px) {
            .navbar-collapse {
                background-color: #fff;
                border-top: 1px solid var(--clr-border);
                padding: 18px 6px 26px;
                border-bottom-left-radius: var(--radius);
                border-bottom-right-radius: var(--radius);
                box-shadow: 0 20px 30px rgba(32, 43, 51, .06);
                max-height: calc(100vh - 74px);
                overflow-y: auto;
                width: 100%;
            }

            .site-nav.nav-list {
                flex-direction: column;
                width: 100%;
                gap: 0;
            }

            .site-nav.nav-list .nav-link-custom {
                height: 50px;
                border-radius: var(--radius-md);
                padding: 0 14px;
                justify-content: flex-start;
                font-size: 1rem;
            }

            .site-nav.nav-list .nav-link-custom::after {
                display: none;
            }

            .site-nav.nav-list .nav-link-custom.active {
                background-color: var(--clr-soft-primary-bg);
                color: var(--clr-primary);
                font-weight: 700;
            }

            .mobile-action-search {
                margin: 10px 0 14px;
                display: block;
                position: relative;
            }

            .mobile-action-search .form-control {
                width: 100%;
                background-color: var(--clr-bg);
                border-color: var(--clr-border);
                border-radius: 999px;
                height: 44px;
                padding-left: 42px;
                padding-right: 16px;
                font-size: .92rem;
            }

            .mobile-action-search .search-icon {
                left: 15px;
            }

            .mobile-action-btns {
                display: flex;
                gap: 10px;
            }

            .mobile-action-btns .btn-login,
            .mobile-action-btns .btn-enter-main {
                flex: 1;
                font-size: .93rem;
            }

            .navbar-actions.d-none.d-lg-flex {
                display: none !important;
            }
        }

        @media (max-width: 380px) {
            .brand-symbol {
                width: 32px;
                height: 32px;
            }
            .brand-text strong {
                font-size: .98rem;
            }
        }

        /* =============== 分类页共用 Layout =============== */
        .category-page {
            overflow: hidden;
        }

        /* 分类 Hero */
        .category-hero {
            background: var(--clr-bg-elevated);
            position: relative;
            padding: 60px 0 0;
        }

        .category-hero::before {
            content: '';
            position: absolute;
            inset: auto 0 auto auto;
            width: 45%;
            height: 320px;
            background-color: rgba(30, 122, 140, .04);
            border-bottom-left-radius: 50% 100%;
        }

        .category-hero-main {
            position: relative;
            z-index: 2;
        }

        .category-hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background-color: var(--clr-soft-accent-bg);
            border: 1px solid rgba(255, 138, 60, .3);
            color: var(--clr-accent-dark);
            font-size: .78rem;
            font-weight: 700;
            padding: .3rem 1rem;
            border-radius: 999px;
            letter-spacing: 1px;
            margin-bottom: 14px;
        }

        .category-hero h1 {
            font-size: clamp(2rem, 4.8vw, 3rem);
            font-weight: 800;
            color: var(--clr-ink);
            letter-spacing: -0.3px;
            margin-bottom: 18px;
            line-height: 1.25;
        }

        .category-hero h1 .sep {
            color: var(--clr-accent);
            margin: 0 6px;
        }

        .category-hero-sub {
            font-size: 1.05rem;
            color: var(--clr-text-secondary);
            margin-bottom: 28px;
            max-width: 660px;
            line-height: 1.7;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 16px;
        }

        .hero-actions .btn-outline-light {
            border: 1px solid var(--clr-border);
            background-color: #fff;
            padding: .75rem 1.5rem;
            border-radius: 999px;
            font-weight: 600;
        }

        .btn-main {
            display: inline-flex;
            align-items: center;
            background-color: var(--clr-accent);
            border-color: var(--clr-accent);
            color: #fff;
            border-radius: 999px;
            font-weight: 700;
            font-size: 1rem;
            padding: .75rem 2.2rem;
            transition: all .25s ease;
            box-shadow: 0 10px 24px rgba(255, 138, 60, .2);
            border: 1px solid transparent;
            gap: 8px;
        }

        .btn-main:hover {
            background-color: var(--clr-accent-dark);
            border-color: var(--clr-accent-dark);
            transform: translateY(-2px);
            box-shadow: 0 14px 30px rgba(255, 138, 60, .28);
            color: #fff;
        }

        .btn-main:active {
            transform: translateY(1px);
            box-shadow: 0 6px 14px rgba(255, 138, 60, .2);
        }

        .btn-outline-main {
            display: inline-flex;
            align-items: center;
            border: 1.5px solid var(--clr-primary);
            color: var(--clr-primary);
            background-color: transparent;
            border-radius: 999px;
            padding: .68rem 1.6rem;
            font-weight: 600;
            transition: all .2s;
        }

        .btn-outline-main:hover {
            background-color: var(--clr-primary);
            border-color: var(--clr-primary);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 8px 20px rgba(30, 122, 140, .14);
        }

        /* hero 图区 */
        .category-hero-figure {
            position: relative;
            z-index: 2;
        }

        .category-hero-figure img {
            border-radius: var(--radius-lg);
            box-shadow: 0 20px 40px rgba(32, 43, 51, .10);
            aspect-ratio: 4 / 3;
            object-fit: cover;
            width: 100%;
        }

        .hero-sticker-card {
            position: absolute;
            left: -24px;
            bottom: -12px;
            background: rgba(255, 255, 255, .92);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border-radius: var(--radius-md);
            box-shadow: 0 8px 24px rgba(32, 43, 51, .12);
            padding: 14px 22px;
            display: flex;
            align-items: center;
            gap: 12px;
            border: 1px solid rgba(255, 255, 255, .7);
        }

        .hero-sticker-card .sticker-icon {
            background-color: var(--clr-soft-primary-bg);
            border-radius: 50%;
            width: 38px;
            height: 38px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--clr-primary);
            font-size: 17px;
        }

        .hero-sticker-card .sticker-content {
            line-height: 1.3;
        }

        .hero-sticker-card strong {
            display: block;
            font-size: .95rem;
            color: var(--clr-ink);
        }

        .hero-sticker-card span {
            font-size: .8rem;
            color: var(--clr-text-secondary);
        }

        /* 面包屑 */
        .breadcrumb-wrap {
            padding: 18px 0 8px;
            background: var(--clr-bg-elevated);
        }

        .breadcrumb-custom {
            display: flex;
            align-items: center;
            font-size: .84rem;
            color: var(--clr-text-tertiary);
            gap: 6px;
            flex-wrap: wrap;
        }

        .breadcrumb-custom a {
            color: var(--clr-text-secondary);
        }

        .breadcrumb-custom a:hover {
            color: var(--clr-primary);
        }

        .breadcrumb-custom .sep {
            color: var(--clr-text-tertiary);
            font-size: .7rem;
        }

        .breadcrumb-custom .current {
            color: var(--clr-primary);
            font-weight: 600;
        }

        /* 页内快速索引 */
        .section-block {
            padding: var(--space-section) 0;
        }

        .section-label {
            font-size: .78rem;
            letter-spacing: 3px;
            color: var(--clr-primary);
            text-transform: uppercase;
            font-weight: 700;
        }

        .section-title {
            font-size: clamp(1.4rem, 3vw, 1.9rem);
            font-weight: 800;
            margin-bottom: 8px;
            color: var(--clr-ink);
        }

        .section-subtitle {
            color: var(--clr-text-secondary);
            font-size: 1.02rem;
            margin-bottom: 32px;
            max-width: 640px;
        }

        /* 目录网格 */
        .index-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            margin-bottom: 20px;
        }

        .index-num {
            font-family: "Inter", Arial, sans-serif;
            font-size: 2.6rem;
            font-weight: 800;
            color: transparent;
            -webkit-text-stroke: 1.5px rgba(30, 122, 140, .24);
            line-height: 1;
            display: block;
            margin-bottom: 8px;
        }

        .event-index-card {
            background-color: #fff;
            border: 1px solid var(--clr-border);
            border-radius: var(--radius);
            padding: 30px 28px;
            transition: all .28s ease;
            height: 100%;
            position: relative;
            overflow: hidden;
        }

        .event-index-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 4px;
            height: 64px;
            border-radius: 0 4px 4px 0;
            background: var(--clr-accent);
            opacity: .45;
        }

        .event-index-card .card-index {
            font-size: .78rem;
            font-weight: 700;
            color: var(--clr-primary);
            background-color: var(--clr-tag-bg);
            border-radius: 999px;
            display: inline-block;
            width: 34px;
            height: 34px;
            line-height: 34px;
            text-align: center;
            margin-bottom: 16px;
        }

        .event-index-card h2 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .event-index-card p {
            color: var(--clr-text-secondary);
            font-size: .92rem;
            line-height: 1.7;
            margin-bottom: 20px;
        }

        .event-links {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            align-items: center;
        }

        .event-links .arrow-link {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            color: var(--clr-primary);
            font-size: .88rem;
            font-weight: 700;
            padding: 4px 0;
            transition: gap .2s ease;
        }

        .event-links .arrow-link i {
            font-size: .78rem;
        }

        .event-links .arrow-link:hover {
            gap: 9px;
        }

        @media (max-width: 992px) {
            .index-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 576px) {
            .index-grid {
                grid-template-columns: 1fr;
            }
        }

        /* 精选专题条目 */
        .featured-list {
            background-color: var(--clr-bg);
            padding: var(--space-section) 0;
        }

        .featured-list-inner .section-title,
        .featured-list-inner .section-subtitle {
            color: var(--clr-ink);
        }

        .featured-item {
            display: flex;
            align-items: center;
            background-color: #fff;
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow-soft);
            border: 1px solid var(--clr-border);
            transition: all .3s ease;
            margin-bottom: 22px;
        }

        .featured-item:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }

        .featured-thumb {
            width: 260px;
            flex: 0 0 260px;
            min-height: 190px;
        }

        .featured-thumb img {
            width: 100%;
            object-fit: cover;
            display: block;
            aspect-ratio: 16 / 10;
            height: 100%;
        }

        .featured-main {
            padding: 22px 30px;
            display: flex;
            flex: 1;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
        }

        .featured-main h3 {
            font-size: 1.18rem;
            font-weight: 700;
            margin-bottom: 6px;
        }

        .featured-main p {
            font-size: .92rem;
            color: var(--clr-text-secondary);
            max-width: 520px;
            margin-bottom: 0;
        }

        .featured-arrow {
            background-color: var(--clr-soft-primary-bg);
            border-radius: 50%;
            width: 42px;
            height: 42px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--clr-primary);
            font-size: .9rem;
            transition: all .25s ease;
            flex: 0 0 auto;
        }

        .featured-item:hover .featured-arrow {
            background-color: var(--clr-accent);
            color: #fff;
        }

        @media (max-width: 768px) {
            .featured-item {
                flex-direction: column;
                align-items: stretch;
            }
            .featured-thumb {
                width: 100%;
                flex-basis: auto;
            }
            .featured-thumb img {
                aspect-ratio: 16 / 9;
                width: 100%;
            }
            .featured-main {
                flex-direction: column;
                text-align: left;
                align-items: flex-start;
                gap: 12px;
            }
        }

        /* 活动流程 */
        .process-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .process-card {
            background: #fff;
            border-radius: var(--radius);
            border: 1px solid var(--clr-border);
            padding: 24px 20px;
            text-align: center;
            transition: .25s ease;
        }

        .process-card:hover {
            box-shadow: var(--shadow-hover);
        }

        .process-icon {
            width: 46px;
            height: 46px;
            background-color: var(--clr-soft-primary-bg);
            border-radius: 14px;
            color: var(--clr-primary);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 1.15rem;
            margin-bottom: 12px;
        }

        .process-card h3 {
            font-size: 1.02rem;
            font-weight: 700;
        }

        .process-card p {
            font-size: .84rem;
            color: var(--clr-text-secondary);
            margin: 0;
        }

        @media (max-width: 992px) {
            .process-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 480px) {
            .process-grid {
                grid-template-columns: 1fr;
            }
        }

        /* 热门专题卡 */
        .topics-dense {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 18px;
        }

        .topic-card {
            background-color: rgb(168 205 215 / .05);
            border: 1px solid var(--clr-border);
            border-radius: var(--radius);
            padding: 24px 18px;
            text-align: center;
            transition: .25s ease;
            position: relative;
            background: rgba(26, 40, 55, .02);
        }

        .topic-card:hover {
            background: var(--clr-primary);
            border-color: var(--clr-primary);
            color: #fff;
        }

        .topic-card:hover p,
        .topic-card:hover a {
            color: rgba(255, 255, 255, .85);
        }

        .topic-card h3 {
            font-size: 1.05rem;
            margin-bottom: 8px;
        }

        .topic-card p {
            font-size: .84rem;
            color: var(--clr-text-secondary);
        }

        .topic-card a {
            color: var(--clr-primary);
            font-size: .8rem;
            font-weight: 700;
        }

        .topic-card i.topic-mark {
            display: block;
            margin-bottom: 8px;
            color: var(--clr-accent);
        }

        @media (max-width: 992px) {
            .topics-dense {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 576px) {
            .topics-dense {
                grid-template-columns: 1fr;
            }
        }

        /* 用户关心列表 */
        .concern-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }

        .concern-item {
            background-color: #fff;
            border: 1px solid var(--clr-border);
            border-radius: var(--radius-md);
            padding: 22px 24px;
            display: flex;
            gap: 16px;
            transition: all .25s ease;
            align-items: flex-start;
        }

        .concern-item:hover {
            box-shadow: var(--shadow-hover);
            border-color: rgba(30, 122, 140, .2);
        }

        .concern-num {
            border-radius: 999px;
            background: var(--clr-soft-accent-bg);
            color: var(--clr-accent-dark);
            font-weight: 800;
            width: 34px;
            min-width: 34px;
            height: 34px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: .88rem;
        }

        .concern-item h3 {
            font-size: 1.06rem;
            font-weight: 700;
            margin-bottom: 6px;
        }

        .concern-item p {
            color: var(--clr-text-secondary);
            font-size: .9rem;
            margin: 0;
        }

        @media (max-width: 768px) {
            .concern-grid {
                grid-template-columns: 1fr;
            }
        }

        /* FAQ */
        .faq-section {
            background: var(--clr-bg-elevated);
            padding: var(--space-section) 0;
        }

        .faq-list {
            border-top: 1px solid var(--clr-border);
            margin-top: 18px;
        }

        .faq-item {
            border-bottom: 1px solid var(--clr-border);
            padding: 0;
        }

        .faq-item summary {
            list-style: none;
            padding: 18px 8px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-weight: 700;
            font-size: 1.05rem;
            color: var(--clr-ink);
            cursor: pointer;
            transition: background-color .25s ease;
        }

        .faq-item[open] summary {
            background: var(--clr-soft-primary-bg);
            border-radius: 10px;
            padding-left: 16px;
            padding-right: 16px;
        }

        .faq-item summary::-webkit-details-marker {
            display: none;
        }

        .faq-toggle-icon {
            width: 26px;
            height: 26px;
            border-radius: 50%;
            border: 2px solid var(--clr-primary);
            color: var(--clr-primary);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: .84rem;
            font-weight: 400;
            flex: 0 0 auto;
            transition: transform .25s ease, background-color .25s ease;
        }

        .faq-item[open] .faq-toggle-icon {
            background: var(--clr-primary);
            color: #fff;
            transform: rotate(45deg);
        }

        .faq-content {
            padding: 8px 18px 22px 8px;
            color: var(--clr-text-secondary);
            font-size: .95rem;
        }

        .faq-content a {
            font-weight: 600;
        }

        .faq-header {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: flex-end;
            gap: 14px;
        }

        .faq-header a {
            font-size: .9rem;
            font-weight: 700;
        }

        .faq-header a i {
            font-size: .8rem;
            margin-left: 3px;
        }

        /* CTA 深青横条 */
        .cta-band {
            background-color: var(--clr-primary-deep);
            border-radius: var(--radius-lg);
            padding: 40px 44px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 24px;
            position: relative;
            overflow: hidden;
            color: #fff;
        }

        .cta-band::before {
            content: '';
            position: absolute;
            right: 0;
            bottom: 0;
            width: 260px;
            height: 260px;
            background: radial-gradient(circle at 70% 80%, rgba(255, 255, 255, .08), rgba(255, 255, 255, 0) 60%);
            pointer-events: none;
        }

        .cta-band h2 {
            font-size: 1.7rem;
            font-weight: 800;
            margin-bottom: 8px;
            color: #fff;
        }

        .cta-band p {
            margin: 0;
            opacity: .85;
            font-size: 1rem;
            color: #B8D6DF;
        }

        .cta-btn {
            display: inline-flex;
            align-items: center;
            background-color: #fff;
            color: var(--clr-primary-deep);
            border: none;
            padding: .8rem 2rem;
            border-radius: 999px;
            font-weight: 800;
            gap: 10px;
            transition: all .25s ease;
            box-shadow: 0 4px 16px rgba(0, 0, 0, .12);
        }

        .cta-btn:hover {
            background-color: var(--clr-accent);
            color: #fff;
            transform: translateY(-2px);
        }

        /* 底部相关入口 */
        .foot-entry {
            padding: calc(var(--space-section) - 10px) 0;
            border-top: 1px solid var(--clr-border);
        }

        .foot-entry-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 22px;
        }

        .foot-entry-item {
            display: flex;
            background: #fff;
            border: 1px solid var(--clr-border);
            border-radius: var(--radius);
            padding: 18px 20px;
            transition: all .25s ease;
            align-items: center;
            gap: 14px;
        }

        .foot-entry-item:hover {
            border-color: var(--clr-primary);
            box-shadow: var(--shadow-hover);
        }

        .foot-entry-item .fe-icon {
            background-color: var(--clr-soft-primary-bg);
            border-radius: 999px;
            height: 44px;
            width: 44px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--clr-primary);
        }

        .foot-entry-item strong {
            display: block;
            font-size: .98rem;
        }

        .foot-entry-item span {
            color: var(--clr-text-tertiary);
            font-size: .82rem;
        }

        @media (max-width: 768px) {
            .foot-entry-grid {
                grid-template-columns: 1fr;
            }
        }

        /* =============== 页脚 =============== */
        .site-footer {
            background-color: var(--clr-footer-bg);
            color: var(--clr-footer-text);
            margin-top: 0;
            padding: 0;
        }

        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 1.8fr 1fr 1fr 1.2fr;
            gap: 40px;
            padding: 60px 0 48px;
            color: #B7C9D4;
            font-size: .85rem;
            line-height: 1.9;
        }

        .footer-brand {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 14px;
        }

        .footer-brand .brand-symbol {
            background: rgba(255, 255, 255, .15);
            color: #fff;
            box-shadow: none;
        }

        .footer-brand-text {
            display: flex;
            flex-direction: column;
            line-height: 1.25;
        }

        .footer-brand-text strong {
            color: #fff;
            font-size: 1.2rem;
        }

        .footer-brand-text small {
            font-size: .68rem;
            color: #94b0bf;
            letter-spacing: 2px;
        }

        .footer-desc {
            color: #a5becb;
            margin-bottom: 12px;
            font-size: .85rem;
            max-width: 335px;
        }

        .footer-title {
            color: #fff;
            font-size: .93rem;
            font-weight: 700;
            margin: 0 0 18px;
        }

        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-links li {
            margin-bottom: 10px;
        }

        .footer-links a {
            color: #9fb7c4;
            font-size: .86rem;
            display: inline-block;
            transition: color .2s ease, padding-left .2s ease;
            position: relative;
            padding-left: 0;
        }

        .footer-links a:hover {
            color: #fff;
            padding-left: 6px;
        }

        .footer-note {
            background-color: #0F232E;
            border-top: 1px solid rgba(255, 255, 255, .06);
            font-size: .82rem;
        }

        .footer-note-inside {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 8px;
            padding: 18px 0;
            color: #7E97A6;
            flex-wrap: wrap;
        }

        @media (max-width: 992px) {
            .footer-grid {
                grid-template-columns: repeat(2, 1fr) !important;
                padding: 42px 0 36px !important;
            }
        }

        @media (max-width: 560px) {
            .footer-grid {
                grid-template-columns: 1fr !important;
                gap: 28px !important;
                padding: 36px 0 30px;
            }
            .footer-note-inside {
                flex-direction: column;
                align-items: flex-start;
            }
        }

        /* 浮动返回顶部 */
        .back-to-top {
            position: fixed;
            bottom: 26px;
            right: 26px;
            width: 44px;
            height: 44px;
            background: var(--clr-primary);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 8px 22px rgba(20, 97, 111, .25);
            z-index: 999;
            color: #fff;
            font-size: 1rem;
            transition: all .25s;
            opacity: 0;
            visibility: hidden;
            transform: translateY(8px);
        }

        .back-to-top.show {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }

        .back-to-top:hover {
            background: var(--clr-primary-deep);
            color: #fff;
        }

        /* 自定义 Button focus */
        .btn-main:focus-visible,
        .btn-enter-main:focus-visible,
        .cta-btn:focus-visible {
            outline: 3px solid var(--clr-accent);
            outline-offset: 3px;
        }

/* roulang page: category2 */
:root {
            --clr-primary: #1E7A8C;
            --clr-primary-dark: #12505D;
            --clr-primary-soft: #E6F2F4;
            --clr-accent: #FF8A3C;
            --clr-accent-dark: #E86D1C;
            --clr-accent-soft: #FFF0E5;
            --clr-bg: #F5F8FA;
            --clr-card: #FFFFFF;
            --clr-ink: #202B33;
            --clr-muted: #5C6B76;
            --clr-faint: #94A3AD;
            --clr-line: #E2ECEF;
            --clr-footer: #132C38;
            --clr-footer-text: #B4C6CE;
            --radius-card: 16px;
            --radius-btn: 999px;
            --shadow-soft: 0 2px 12px rgba(30, 122, 140, 0.06);
            --shadow-hover: 0 14px 32px rgba(18, 80, 93, 0.12);
            --space-section: 84px;
            --container-width: 1280px;
        }

        * {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Inter", Arial, sans-serif;
            background: var(--clr-bg);
            color: var(--clr-ink);
            line-height: 1.75;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color .25s ease;
        }

        img {
            max-width: 100%;
            display: block;
        }

        button,
        input,
        textarea {
            font-family: inherit;
        }

        ul,
        ol {
            margin: 0;
            padding: 0;
            list-style: none;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            margin: 0;
            line-height: 1.35;
            font-weight: 700;
        }

        .container {
            width: 100%;
            max-width: var(--container-width);
            margin-left: auto;
            margin-right: auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        .section {
            padding: var(--space-section) 0;
        }

        .section-title {
            font-size: clamp(1.5rem, 3vw, 1.85rem);
            font-weight: 800;
            margin-bottom: 10px;
            color: var(--clr-ink);
        }

        .section-desc {
            color: var(--clr-muted);
            font-size: 0.98rem;
            max-width: 720px;
            margin-bottom: 32px;
        }

        .sec-headline {
            display: flex;
            flex-wrap: wrap;
            align-items: flex-end;
            justify-content: space-between;
            gap: 16px;
            margin-bottom: 34px;
        }

        .sec-headline .section-title {
            margin-bottom: 0;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            border: 0;
            padding: 11px 22px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 0.95rem;
            line-height: 1.3;
            transition: all .25s ease;
        }

        .btn:focus-visible,
        .nav-link-custom:focus-visible,
        a:focus-visible {
            outline: 3px solid rgba(30, 122, 140, 0.4);
            outline-offset: 2px;
        }

        .btn-soft {
            background: var(--clr-primary-soft);
            color: var(--clr-primary);
        }

        .btn-soft:hover {
            background: #D2E9ED;
            color: var(--clr-primary-dark);
            transform: translateY(-1px);
        }

        .btn-solid {
            background: var(--clr-accent);
            color: #fff;
            box-shadow: 0 8px 18px rgba(255, 138, 60, 0.24);
        }

        .btn-solid:hover {
            background: var(--clr-accent-dark);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 12px 24px rgba(232, 109, 28, 0.25);
        }

        .btn-solid:active {
            transform: translateY(1px);
            box-shadow: 0 4px 8px rgba(232, 109, 28, 0.2);
        }

        .link-line {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--clr-primary);
            font-weight: 600;
            font-size: 0.92rem;
        }

        .link-line i {
            font-size: .8rem;
            transition: transform .25s ease;
        }

        .link-line:hover {
            color: var(--clr-accent-dark);
        }

        .link-line:hover i {
            transform: translateX(3px);
        }

        /* ========== Header / Nav ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: rgba(255, 255, 255, .96);
            border-bottom: 1px solid var(--clr-line);
            backdrop-filter: blur(8px);
        }

        .site-header.scrolled {
            box-shadow: 0 6px 22px rgba(18, 80, 93, 0.08);
        }

        .site-nav-row {
            display: flex;
            align-items: center;
            min-height: 74px;
            padding-top: 8px;
            padding-bottom: 8px;
        }

        .navbar-brand {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            margin: 0;
            padding: 0;
        }

        .brand-symbol {
            width: 36px;
            height: 36px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--clr-primary);
            color: #fff;
            border-radius: 12px;
            font-size: 1rem;
            box-shadow: 0 8px 14px rgba(30, 122, 140, 0.18);
        }

        .brand-text {
            display: inline-flex;
            flex-direction: column;
            line-height: 1.15;
        }

        .brand-text strong {
            font-size: 1.1rem;
            font-weight: 800;
            color: var(--clr-ink);
            letter-spacing: .02em;
        }

        .brand-text small {
            color: var(--clr-primary);
            font-size: .72rem;
            font-weight: 600;
            letter-spacing: .05em;
        }

        .navbar-toggler {
            border: 0;
            font-size: 1.3rem;
            color: var(--clr-ink);
            padding: 6px 10px;
        }

        .navbar-toggler:focus {
            box-shadow: none;
            outline: 3px solid rgba(30, 122, 140, .3);
        }

        .nav-list {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            flex-wrap: nowrap;
        }

        .nav-link-custom {
            display: inline-flex;
            align-items: center;
            padding: 9px 16px;
            font-size: 15px;
            font-weight: 500;
            color: var(--clr-ink);
            position: relative;
            white-space: nowrap;
            border-radius: 8px;
            transition: color .25s ease, background .25s ease;
        }

        .nav-link-custom span {
            position: relative;
            z-index: 1;
        }

        .nav-link-custom:hover {
            color: var(--clr-primary);
        }

        .nav-link-custom.active {
            color: var(--clr-primary);
            font-weight: 700;
        }

        .nav-link-custom.active::after {
            content: "";
            position: absolute;
            left: 16px;
            right: 16px;
            bottom: 5px;
            height: 2px;
            border-radius: 99px;
            background: var(--clr-accent);
        }

        .navbar-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .site-search {
            display: flex;
            align-items: center;
            width: 190px;
            background: var(--clr-bg);
            border: 1px solid transparent;
            border-radius: 999px;
            padding: 0 14px;
            transition: border-color .25s ease, background .25s ease, box-shadow .25s ease;
        }

        .site-search .search-icon {
            color: var(--clr-faint);
            font-size: .86rem;
            margin-right: 8px;
        }

        .site-search .form-control {
            border: 0;
            background: transparent;
            padding: 7px 0;
            font-size: .88rem;
            box-shadow: none !important;
            border-radius: 0;
            color: var(--clr-ink);
        }

        .site-search .form-control::placeholder {
            color: var(--clr-faint);
        }

        .site-search:focus-within {
            border-color: rgba(30, 122, 140, .3);
            background: #fff;
            box-shadow: 0 0 0 3px rgba(30, 122, 140, .08);
        }

        .btn-login {
            font-size: .9rem;
            font-weight: 600;
            color: var(--clr-primary);
            background: transparent;
            border: 1px solid rgba(30, 122, 140, .35);
            padding: 8px 16px;
            border-radius: 999px;
            transition: all .25s ease;
            white-space: nowrap;
        }

        .btn-login:hover {
            background: var(--clr-primary-soft);
            border-color: var(--clr-primary);
        }

        .btn-enter-main {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: .92rem;
            font-weight: 700;
            color: #fff;
            background: var(--clr-accent);
            border-radius: 999px;
            padding: 10px 19px;
            box-shadow: 0 6px 14px rgba(255, 138, 60, .25);
            transition: all .25s ease;
            white-space: nowrap;
        }

        .btn-enter-main:hover {
            background: var(--clr-accent-dark);
            color: #fff;
            transform: translateY(-1px);
        }

        .btn-enter-main i {
            font-size: .8rem;
        }

        .mobile-action-search {
            width: 100%;
            margin: 4px 0 12px;
        }

        .mobile-action-btns {
            display: flex;
            gap: 10px;
            margin: 4px 0 18px;
        }

        /* ========== Hero ========== */
        .hero-category {
            position: relative;
            padding: 68px 0 56px;
            background:
                linear-gradient(90deg, rgba(255, 255, 255, .96) 0%, rgba(255, 255, 255, .92) 34%, rgba(255, 255, 255, .45) 100%),
                url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            border-bottom: 1px solid var(--clr-line);
        }

        .hero-category::before {
            content: "";
            position: absolute;
            inset: 0;
            background: radial-gradient(circle at 85% 30%, rgba(255, 138, 60, .08), transparent 38%);
            pointer-events: none;
        }

        .hero-category .container {
            position: relative;
            z-index: 1;
        }

        .hero-tag-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: #FFFFFF;
            border: 1px solid var(--clr-line);
            color: var(--clr-primary);
            font-size: .82rem;
            font-weight: 600;
            padding: 5px 14px;
            border-radius: 999px;
            margin-bottom: 20px;
            box-shadow: var(--shadow-soft);
        }

        .hero-tag-label i {
            color: var(--clr-accent);
        }

        .hero-category h1 {
            font-size: clamp(2rem, 4.5vw, 3.1rem);
            font-weight: 800;
            letter-spacing: .01em;
            color: var(--clr-ink);
            margin-bottom: 18px;
            line-height: 1.2;
        }

        .hero-category h1 .brand-dot {
            color: var(--clr-accent);
        }

        .hero-category p {
            max-width: 640px;
            font-size: 1.08rem;
            color: var(--clr-muted);
            margin-bottom: 32px;
            line-height: 1.9;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
        }

        .breadcrumb-light {
            font-size: .84rem;
            color: var(--clr-muted);
            background: rgba(255, 255, 255, .68);
            padding: 5px 12px;
            border-radius: 999px;
            display: inline-flex;
            gap: 4px;
            margin: 0 0 28px;
        }

        .breadcrumb-light a {
            color: var(--clr-primary);
        }

        /* ========== Directory / 合集索引 ========== */
        .dir-section {
            background: #fff;
            padding: 72px 0;
            border-bottom: 1px solid var(--clr-line);
        }

        .dir-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .dir-card {
            background: #fff;
            border: 1px solid var(--clr-line);
            border-radius: var(--radius-card);
            padding: 22px;
            position: relative;
            overflow: hidden;
            box-shadow: var(--shadow-soft);
            transition: box-shadow .3s ease, transform .3s ease, border-color .3s ease;
            min-height: 230px;
            display: flex;
            flex-direction: column;
        }

        .dir-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
            border-color: transparent;
        }

        .dir-card::after {
            content: "";
            position: absolute;
            right: -30px;
            top: -30px;
            width: 90px;
            height: 90px;
            background: var(--clr-primary-soft);
            border-radius: 50%;
            z-index: 0;
        }

        .dir-card:hover::after {
            background: var(--clr-accent-soft);
        }

        .dir-num {
            font-size: 2.2rem;
            font-weight: 800;
            line-height: 1;
            color: var(--clr-primary);
            opacity: .9;
            z-index: 1;
            margin-bottom: auto;
            position: relative;
        }

        .dir-card h3 {
            font-size: 1.16rem;
            font-weight: 700;
            color: var(--clr-ink);
            margin: 16px 0 8px;
            z-index: 1;
            position: relative;
        }

        .dir-card p {
            color: var(--clr-muted);
            font-size: .9rem;
            z-index: 1;
            position: relative;
            line-height: 1.7;
        }

        .dir-more {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: .84rem;
            font-weight: 600;
            color: var(--clr-primary);
            margin-top: 12px;
            z-index: 1;
            position: relative;
            transition: color .25s ease;
        }

        .dir-card:hover .dir-more {
            color: var(--clr-accent-dark);
        }

        .dir-more i {
            font-size: .8rem;
        }

        /* ========== Featured Editorial ========== */
        .featured-section {
            background: var(--clr-bg);
        }

        .featured-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }

        .editorial-card {
            background: #fff;
            border-radius: var(--radius-card);
            overflow: hidden;
            border: 1px solid var(--clr-line);
            box-shadow: var(--shadow-soft);
            transition: transform .3s ease, box-shadow .3s ease;
        }

        .editorial-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }

        .editorial-card .cover-wrap {
            aspect-ratio: 16/9;
            overflow: hidden;
            background: #eef2f4;
        }

        .editorial-card .cover-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .5s ease;
        }

        .editorial-card:hover .cover-wrap img {
            transform: scale(1.03);
        }

        .editorial-body {
            padding: 24px;
        }

        .label-badge {
            display: inline-block;
            font-size: .76rem;
            font-weight: 600;
            background: var(--clr-primary-soft);
            color: var(--clr-primary-dark);
            padding: 4px 12px;
            border-radius: 999px;
            margin-bottom: 12px;
            letter-spacing: .02em;
        }

        .label-badge.orange {
            background: var(--clr-accent-soft);
            color: var(--clr-accent-dark);
        }

        .editorial-body h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--clr-ink);
            margin-bottom: 10px;
        }

        .editorial-body p {
            color: var(--clr-muted);
            font-size: .93rem;
            line-height: 1.8;
            margin-bottom: 18px;
        }

        /* ========== Topic walkthrough ========== */
        .walk-section {
            background: #fff;
            border-bottom: 1px solid var(--clr-line);
            padding: 72px 0;
        }

        .walk-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 22px;
            counter-reset: walk;
        }

        .walk-item {
            border: 1px solid var(--clr-line);
            border-radius: var(--radius-card);
            padding: 24px;
            background: var(--clr-card);
            box-shadow: var(--shadow-soft);
            transition: transform .3s ease, box-shadow .3s ease;
            position: relative;
            counter-increment: walk;
        }

        .walk-item:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-hover);
        }

        .walk-icon {
            width: 40px;
            height: 40px;
            background: var(--clr-primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 12px;
            font-size: 1rem;
            margin-bottom: 20px;
            box-shadow: 0 8px 16px rgba(30, 122, 140, .16);
        }

        .walk-item:nth-child(2) .walk-icon {
            background: var(--clr-accent);
            box-shadow: 0 8px 16px rgba(255, 138, 60, .18);
        }

        .walk-item h3 {
            font-size: 1.05rem;
            margin-bottom: 8px;
            color: var(--clr-ink);
        }

        .walk-item p {
            font-size: .88rem;
            color: var(--clr-muted);
            line-height: 1.7;
            margin: 0;
        }

        /* ========== Short Intro / Content Block ========== */
        .intro-section {
            background: var(--clr-bg);
        }

        .intro-panel {
            background: #fff;
            border: 1px solid var(--clr-line);
            border-radius: 20px;
            padding: 42px;
            display: grid;
            grid-template-columns: 1.2fr 1fr;
            gap: 40px;
            align-items: center;
            box-shadow: var(--shadow-soft);
        }

        .intro-panel h2 {
            font-size: 1.6rem;
            font-weight: 800;
            margin-bottom: 16px;
        }

        .intro-panel p {
            color: var(--clr-muted);
            line-height: 1.9;
            margin-bottom: 24px;
        }

        .check-list li {
            position: relative;
            padding-left: 28px;
            margin-bottom: 13px;
            color: var(--clr-ink);
            font-size: .96rem;
            line-height: 1.7;
        }

        .check-list li i {
            position: absolute;
            left: 0;
            top: 5px;
            color: var(--clr-accent);
            font-size: .8rem;
            width: 20px;
            height: 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--clr-accent-soft);
            border-radius: 50%;
        }

        .intro-img {
            border-radius: 16px;
            overflow: hidden;
            box-shadow: var(--shadow-hover);
        }

        .intro-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        /* ========== FAQ ========== */
        .faq-section {
            background: #fff;
        }

        .faq-wrap {
            border-top: 1px solid var(--clr-line);
        }

        .faq-item {
            border-bottom: 1px solid var(--clr-line);
            background: #fff;
            transition: background .25s ease;
        }

        .faq-item[open] {
            background: #F1F8FA;
        }

        .faq-item summary {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            list-style: none;
            cursor: pointer;
            padding: 18px 10px;
            font-size: .98rem;
            font-weight: 600;
            color: var(--clr-ink);
            transition: color .25s ease;
        }

        .faq-item summary::-webkit-details-marker {
            display: none;
        }

        .faq-item summary::after {
            content: "+";
            width: 28px;
            height: 28px;
            border: 1px solid var(--clr-primary);
            border-radius: 50%;
            color: var(--clr-primary);
            font-size: 1.05rem;
            font-weight: 500;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            transition: transform .3s ease, background .3s ease, color .3s ease;
        }

        .faq-item[open] summary::after {
            transform: rotate(45deg);
            background: var(--clr-primary);
            color: #fff;
            border-color: var(--clr-primary);
        }

        .faq-item summary:hover {
            color: var(--clr-primary);
        }

        .faq-item .faq-body {
            padding: 0 48px 20px 10px;
            color: var(--clr-muted);
            font-size: .93rem;
            line-height: 1.8;
        }

        .faq-head-note {
            margin-bottom: 24px;
            font-size: .92rem;
        }

        .faq-head-note a {
            color: var(--clr-primary);
            font-weight: 600;
        }

        /* ========== Entry CTA ========== */
        .category-cta {
            background:
                radial-gradient(circle at 90% 20%, rgba(255, 255, 255, .04) 0, transparent 350px),
                var(--clr-footer);
            padding: 70px 0;
            color: #E8F1F4;
        }

        .category-cta .cta-title {
            font-size: 1.7rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 8px;
        }

        .category-cta p {
            color: var(--clr-footer-text);
            margin-bottom: 30px;
        }

        .cta-nav-row {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
        }

        .cta-nav-row a {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: rgba(255, 255, 255, .08);
            border: 1px solid rgba(255, 255, 255, .15);
            padding: 12px 20px;
            border-radius: 999px;
            font-size: .92rem;
            font-weight: 600;
            color: #fff;
            transition: background .25s ease, transform .25s ease;
        }

        .cta-nav-row a:hover {
            background: var(--clr-accent);
            border-color: var(--clr-accent);
            color: #fff;
            transform: translateY(-2px);
        }

        /* ========== Footer ========== */
        .site-footer {
            background: var(--clr-footer);
            color: #B4C6CE;
        }

        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 1.3fr .7fr .7fr 1.2fr;
            gap: 44px;
            padding: 52px 0 40px;
        }

        .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 16px;
        }

        .footer-brand .brand-symbol {
            background: rgba(255, 255, 255, .1);
            color: #fff;
        }

        .footer-brand-text {
            display: flex;
            flex-direction: column;
        }

        .footer-brand-text strong {
            color: #fff;
            font-size: 1.08rem;
            font-weight: 800;
        }

        .footer-brand-text small {
            color: #7FA2AF;
            font-size: 12px;
            letter-spacing: .1em;
            text-transform: uppercase;
        }

        .footer-title {
            color: #fff;
            font-size: .98rem;
            font-weight: 700;
            margin-bottom: 16px;
        }

        .footer-links li {
            margin-bottom: 8px;
        }

        .footer-links a {
            color: #B4C6CE;
            font-size: .9rem;
            transition: color .2s, padding-left .2s;
        }

        .footer-links a:hover {
            color: #fff;
            padding-left: 3px;
        }

        .footer-desc {
            font-size: .88rem;
            line-height: 1.8;
            color: #9CB4BE;
            margin: 0;
        }

        .footer-note {
            border-top: 1px solid rgba(255, 255, 255, .08);
            padding: 20px 0;
            font-size: .8rem;
            color: #7FA2AF;
        }

        .footer-note-inside {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: space-between;
            gap: 8px;
        }

        /* ========== Responsive ========== */
        @media (max-width: 1199px) {
            :root {
                --space-section: 72px;
            }

            .dir-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 18px;
            }

            .walk-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 18px;
            }

            .site-search {
                width: 170px;
            }

            .nav-link-custom {
                padding-left: 12px;
                padding-right: 12px;
                font-size: 14px;
            }
        }

        @media (max-width: 991px) {
            .site-nav-row {
                min-height: 64px;
            }

            .navbar-collapse {
                background: #fff;
                padding: 18px 0 12px;
                border-top: 1px solid var(--clr-line);
                margin-top: 8px;
            }

            .nav-list {
                flex-direction: column;
                align-items: stretch;
                width: 100%;
                margin: 0 0 8px;
            }

            .nav-link-custom {
                display: flex;
                justify-content: space-between;
                border-radius: 10px;
                padding: 12px 14px;
            }

            .nav-link-custom.active {
                background: var(--clr-primary-soft);
            }

            .nav-link-custom.active::after {
                display: none;
            }

            .featured-grid {
                grid-template-columns: 1fr 1fr;
            }

            .intro-panel {
                grid-template-columns: 1fr;
                padding: 30px;
            }

            .intro-img {
                order: -1;
            }

            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }

        @media (max-width: 767px) {
            :root {
                --space-section: 52px;
            }

            .container {
                padding-left: 18px;
                padding-right: 18px;
            }

            .hero-category {
                padding: 50px 0 44px;
            }

            .hero-category h1 {
                font-size: 2rem;
            }

            .featured-grid {
                grid-template-columns: 1fr;
            }

            .dir-grid {
                grid-template-columns: 1fr;
            }

            .walk-grid {
                grid-template-columns: 1fr;
            }

            .intro-panel {
                padding: 24px 20px;
            }

            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                padding: 40px 0 30px;
            }

            .cta-nav-row a {
                width: 100%;
                justify-content: center;
            }
        }

        @media (max-width: 520px) {
            .hero-actions .btn {
                width: 100%;
                justify-content: center;
            }

            .navbar-actions {
                gap: 8px;
            }

            .navbar-actions .btn-login {
                padding: 8px 12px;
                font-size: .82rem;
            }

            .navbar-actions .btn-enter-main {
                padding: 9px 14px;
                font-size: .84rem;
            }

            .footer-note-inside {
                text-align: center;
            }
        }

/* roulang page: category4 */
:root {
  --clr-primary: #1E7A8C;
  --clr-primary-dark: #14616F;
  --clr-accent: #FF8A3C;
  --clr-bg: #F5F8FA;
  --clr-ink: #202B33;
  --clr-muted: #5C6B76;
  --clr-faint: #94A3AD;
  --clr-border: #E3ECF0;
  --clr-card: #FFFFFF;
  --radius-md: 16px;
  --radius-sm: 10px;
  --shadow-sm: 0 2px 10px rgba(30, 122, 140, 0.06);
  --shadow-hover: 0 14px 34px rgba(30, 122, 140, 0.14);
  --font-sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 96px;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--clr-ink);
  background: var(--clr-bg);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  display: block;
}

a {
  text-decoration: none;
  color: inherit;
}

ul,
ol,
li {
  list-style: none;
  margin: 0;
  padding: 0;
}

h1,
h2,
h3,
h4,
p {
  margin-top: 0;
}

h1,
h2,
h3 {
  line-height: 1.35;
}

button,
input {
  font-family: inherit;
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
.form-control:focus {
  outline: 3px solid rgba(30, 122, 140, 0.28);
  outline-offset: 2px;
  box-shadow: 0 0 0 4px rgba(30, 122, 140, 0.08);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 1050;
  background: rgba(255, 255, 255, 0.98);
  border-bottom: 1px solid var(--clr-border);
  box-shadow: 0 1px 14px rgba(32, 43, 51, 0.04);
}

.navbar {
  padding: 0;
  min-height: 72px;
}

.site-header .navbar .container {
  min-height: 72px;
  display: flex;
  align-items: center;
  flex-wrap: nowrap;
}

.navbar-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0;
  padding: 0;
  flex-shrink: 0;
}

.brand-symbol {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: var(--clr-primary);
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.brand-text strong {
  font-size: 1.12rem;
  font-weight: 800;
  color: var(--clr-ink);
  letter-spacing: 0.02em;
}

.brand-text small {
  font-size: 0.76rem;
  font-weight: 600;
  color: var(--clr-accent);
  letter-spacing: 0.06em;
}

.navbar-toggler {
  border: 0;
  padding: 6px 8px;
  color: var(--clr-primary);
  background: transparent;
}

.navbar-toggler:hover {
  color: var(--clr-accent);
}

.navbar-collapse {
  display: flex;
  flex-grow: 1;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 0;
  background: transparent;
}

.nav-list li {
  margin: 0;
}

.nav-link-custom {
  display: inline-flex;
  position: relative;
  color: var(--clr-muted);
  font-size: 0.94rem;
  font-weight: 600;
  padding: 9px 14px;
  border-radius: 999px;
  transition: color 0.2s ease, background 0.2s ease;
}

.nav-link-custom span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.nav-link-custom:hover {
  color: var(--clr-primary);
  background: rgba(30, 122, 140, 0.06);
}

.nav-link-custom.active {
  color: var(--clr-primary);
}

.nav-link-custom.active::after {
  content: "";
  position: absolute;
  left: 18px;
  right: 18px;
  bottom: 3px;
  height: 3px;
  border-radius: 999px;
  background: var(--clr-accent);
}

.navbar-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.site-search {
  position: relative;
  color: var(--clr-faint);
}

.site-search .search-icon {
  position: absolute;
  top: 50%;
  left: 13px;
  transform: translateY(-50%);
  font-size: 0.85rem;
  pointer-events: none;
  color: var(--clr-faint);
}

.site-search .form-control {
  width: 188px;
  height: 40px;
  border-radius: 999px;
  background: #eef4f6;
  border: 1px solid transparent;
  padding: 8px 14px 8px 36px;
  font-size: 0.86rem;
  color: var(--clr-ink);
  transition: background 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.site-search .form-control::placeholder {
  color: var(--clr-faint);
}

.site-search .form-control:focus {
  background: #fff;
  border-color: rgba(30, 122, 140, 0.4);
  box-shadow: 0 0 0 4px rgba(30, 122, 140, 0.08);
}

.btn-login,
.btn-enter-main,
.btn-main,
.btn-line,
.btn-bookmark,
.btn-light-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 0;
  font-weight: 600;
  border-radius: 999px;
  line-height: 1.2;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease, color 0.2s ease;
  cursor: pointer;
}

.btn-login {
  height: 40px;
  padding: 0 16px;
  background: transparent;
  border: 1px solid rgba(30, 122, 140, 0.32);
  color: var(--clr-primary);
  font-size: 0.88rem;
}

.btn-login:hover {
  background: rgba(30, 122, 140, 0.08);
  color: var(--clr-primary-dark);
}

.btn-enter-main {
  height: 40px;
  padding: 0 20px;
  background: var(--clr-accent);
  color: #fff;
  font-size: 0.88rem;
  box-shadow: 0 8px 18px rgba(255, 138, 60, 0.22);
}

.btn-enter-main:hover {
  transform: translateY(-1px);
  color: #fff;
  background: #f0792b;
  box-shadow: 0 10px 22px rgba(255, 138, 60, 0.32);
}

.btn-main {
  height: 46px;
  padding: 0 24px;
  background: var(--clr-accent);
  color: #fff;
  font-size: 0.92rem;
  box-shadow: 0 8px 20px rgba(255, 138, 60, 0.22);
}

.btn-main:hover {
  transform: translateY(-1px);
  color: #fff;
  background: #f0792b;
  box-shadow: 0 12px 26px rgba(255, 138, 60, 0.3);
}

.btn-line {
  height: 46px;
  padding: 0 22px;
  background: rgba(255, 255, 255, 0.96);
  color: var(--clr-primary-dark);
  border: 1px solid rgba(30, 122, 140, 0.16);
  font-size: 0.92rem;
}

.btn-line:hover {
  transform: translateY(-1px);
  color: var(--clr-primary);
  border-color: rgba(30, 122, 140, 0.38);
  background: #fff;
}

.btn-bookmark {
  height: 44px;
  padding: 0 20px;
  background: rgba(255, 255, 255, 0.14);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.85);
  font-size: 0.9rem;
}

.btn-bookmark:hover {
  transform: translateY(-1px);
  color: var(--clr-accent);
  border-color: var(--clr-accent);
  background: rgba(255, 255, 255, 0.2);
}

.btn-light-cta {
  height: 46px;
  padding: 0 24px;
  background: #fff;
  color: var(--clr-primary-dark);
  font-size: 0.92rem;
  box-shadow: 0 8px 22px rgba(10, 35, 48, 0.14);
}

.btn-light-cta:hover {
  transform: translateY(-1px);
  background: #ffeff9;
  color: var(--clr-primary-dark);
  box-shadow: 0 12px 26px rgba(10, 35, 48, 0.22);
}

.category-main {
  display: block;
  overflow: hidden;
}

.category-hero {
  position: relative;
  padding: 54px 0;
  color: var(--clr-ink);
  background-color: #e4edf0;
  background-image: linear-gradient(90deg, rgba(248, 251, 252, 0.98) 4%, rgba(248, 251, 252, 0.78) 45%, rgba(248, 251, 252, 0.2) 100%), url("/assets/images/backpic/back-1.webp");
  background-size: cover;
  background-position: center right;
}

.category-hero::after {
  content: "";
  position: absolute;
  right: -80px;
  bottom: -100px;
  width: 260px;
  height: 260px;
  border-radius: 50%;
  border: 38px solid rgba(255, 138, 60, 0.12);
  pointer-events: none;
}

.category-hero .container {
  position: relative;
  z-index: 2;
}

.category-hero-layout {
  display: flex;
  align-items: center;
  gap: 42px;
  padding: 10px 0 6px;
}

.category-hero-labels {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 12px;
  width: 128px;
  flex-shrink: 0;
}

.hero-kicker {
  display: inline-flex;
  width: 92px;
  min-height: 88px;
  padding: 16px 10px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: var(--clr-primary);
  color: #fff;
  font-size: 1rem;
  font-weight: 700;
  border-radius: 16px;
  letter-spacing: 0.08em;
  box-shadow: 0 10px 24px rgba(30, 122, 140, 0.22);
  text-align: center;
}

.hero-kicker small {
  display: block;
  font-size: 0.72rem;
  font-weight: 400;
  letter-spacing: 0.12em;
  opacity: 0.86;
  margin-top: 4px;
}

.category-hero-main {
  flex: 1;
  min-width: 0;
}

.category-hero-main h1 {
  font-size: clamp(2rem, 4.6vw, 3rem);
  font-weight: 800;
  letter-spacing: 0.01em;
  margin-bottom: 14px;
  color: var(--clr-ink);
}

.category-hero-main p {
  font-size: 1.05rem;
  color: var(--clr-muted);
  margin-bottom: 26px;
  max-width: 640px;
}

.category-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.category-section {
  padding: 80px 0;
}

.catalog-section {
  background: var(--clr-bg);
}

.section-heading {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 38px;
}

.section-kicker {
  display: inline-flex;
  color: var(--clr-accent);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-bottom: 6px;
}

.section-heading h2 {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--clr-ink);
  margin: 0;
}

.section-caption {
  color: var(--clr-muted);
  font-size: 0.95rem;
  margin: 0;
}

.catalog-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}

.catalog-card {
  background: var(--clr-card);
  border: 1px solid rgba(30, 122, 140, 0.08);
  border-radius: var(--radius-md);
  padding: 26px 24px 22px;
  box-shadow: var(--shadow-sm);
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
  display: flex;
  flex-direction: column;
  min-height: 200px;
}

.catalog-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(30, 122, 140, 0.18);
}

.catalog-no {
  font-size: 2.2rem;
  font-weight: 800;
  line-height: 1;
  color: rgba(30, 122, 140, 0.14);
  margin-bottom: 16px;
  letter-spacing: 0.08em;
}

.catalog-text {
  flex: 1;
}

.catalog-text h3 {
  font-size: 1.06rem;
  font-weight: 800;
  margin-bottom: 8px;
  color: var(--clr-ink);
}

.catalog-text p {
  font-size: 0.88rem;
  color: var(--clr-muted);
  line-height: 1.6;
  margin-bottom: 12px;
}

.catalog-arrow {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--clr-primary);
  font-size: 0.86rem;
  font-weight: 600;
}

.catalog-arrow i {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: rgba(30, 122, 140, 0.1);
  color: var(--clr-primary);
  transition: transform 0.22s ease, background 0.22s ease;
}

.catalog-card:hover .catalog-arrow i {
  transform: translateX(4px);
  background: var(--clr-accent);
  color: #fff;
}

.guide-section {
  background: #fff;
}

.guide-list {
  border-top: 1px solid var(--clr-border);
}

.guide-row {
  display: grid;
  grid-template-columns: 110px 280px 1fr;
  align-items: center;
  gap: 34px;
  padding: 34px 8px;
  border-bottom: 1px solid var(--clr-border);
}

.guide-row-index {
  font-size: 2.4rem;
  font-weight: 800;
  color: rgba(30, 122, 140, 0.22);
  letter-spacing: 0.06em;
}

.guide-row-media {
  border-radius: var(--radius-sm);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.guide-row-media img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.guide-row-content h3 {
  font-size: 1.18rem;
  font-weight: 800;
  color: var(--clr-ink);
  margin-bottom: 10px;
}

.guide-row-content p {
  color: var(--clr-muted);
  font-size: 0.95rem;
  max-width: 680px;
  margin-bottom: 14px;
}

.guide-row-links {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.guide-row-links a {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--clr-primary);
  font-size: 0.9rem;
  font-weight: 700;
  transition: color 0.2s ease;
}

.guide-row-links a:hover {
  color: var(--clr-accent);
}

.guide-row-links a i {
  transition: transform 0.22s ease;
}

.guide-row-links a:hover i {
  transform: translateX(4px);
}

.guide-all-link {
  text-align: center;
  margin-top: 34px;
}

.guide-all-link a {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--clr-primary-dark);
  font-weight: 700;
  padding: 12px 22px;
  border-radius: 999px;
  background: rgba(30, 122, 140, 0.07);
  border: 1px solid rgba(30, 122, 140, 0.12);
  transition: background 0.2s ease, color 0.2s ease, transform 0.2s ease;
}

.guide-all-link a:hover {
  color: #fff;
  background: var(--clr-primary);
  transform: translateY(-2px);
}

.views-section {
  padding: 76px 0;
  background: var(--clr-bg);
}

.service-band {
  background: var(--clr-primary-dark);
  border-radius: 24px;
  color: #fff;
  position: relative;
  overflow: hidden;
  padding: 44px 46px;
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 34px;
  align-items: center;
  box-shadow: 0 22px 48px rgba(20, 97, 111, 0.22);
}

.service-band::after {
  content: "";
  position: absolute;
  top: -60px;
  right: -40px;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  border: 28px solid rgba(255, 255, 255, 0.09);
  pointer-events: none;
}

.service-band-heading .section-kicker {
  color: rgba(255, 255, 255, 0.75);
}

.service-band-heading h2 {
  color: #fff;
  font-size: 1.8rem;
  font-weight: 800;
  margin-bottom: 10px;
}

.service-band-heading p {
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 0;
}

.service-mini-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  position: relative;
  z-index: 2;
}

.service-mini {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 14px;
  padding: 18px 18px;
  transition: transform 0.2s ease, background 0.2s ease;
}

.service-mini:hover {
  transform: translateY(-4px);
  background: rgba(255, 255, 255, 0.17);
}

.service-mini-label {
  font-size: 0.76rem;
  font-weight: 700;
  color: rgba(255, 255, 255, 0.66);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  display: block;
  margin-bottom: 5px;
}

.service-mini h3 {
  font-size: 1rem;
  color: #fff;
  margin-bottom: 4px;
}

.service-mini p {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.76);
  margin-bottom: 0;
  line-height: 1.5;
}

.faq-section {
  background: #fff;
  padding: 84px 0 76px;
}

.faq-panel {
  max-width: 920px;
  margin: 0 auto;
}

.faq-heading {
  margin-bottom: 26px;
}

.faq-heading h2 {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--clr-ink);
  margin-bottom: 8px;
}

.faq-heading p {
  color: var(--clr-muted);
  font-size: 0.96rem;
  margin-bottom: 0;
}

.faq-accordion .accordion-item {
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--clr-border);
  margin-bottom: 0;
}

.faq-accordion .accordion-header {
  margin: 0;
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  width: 100%;
  text-align: left;
  padding: 22px 8px;
  border: 0;
  background: transparent;
  color: var(--clr-ink);
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  border-radius: 0;
  transition: background 0.2s ease, color 0.2s ease;
}

.faq-question:hover {
  color: var(--clr-primary);
}

.faq-question::after {
  display: none;
}

.faq-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  border: 1px solid rgba(30, 122, 140, 0.38);
  border-radius: 50%;
  color: var(--clr-primary);
  font-size: 0.78rem;
  transition: transform 0.3s ease, background 0.3s ease, color 0.3s ease;
}

.faq-question:not(.collapsed) .faq-icon {
  transform: rotate(45deg);
  background: var(--clr-accent);
  border-color: var(--clr-accent);
  color: #fff;
}

.faq-question.collapsed .faq-icon {
  transform: rotate(0deg);
}

.faq-item-answer {
  padding: 0 8px 22px 8px;
}

.faq-item-answer p {
  color: var(--clr-muted);
  font-size: 0.94rem;
  line-height: 1.85;
  margin-bottom: 0;
  padding-left: 2px;
}

.faq-note {
  margin-top: 30px;
  text-align: center;
  color: var(--clr-muted);
  font-size: 0.92rem;
}

.faq-note a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--clr-primary);
  font-weight: 700;
  margin-left: 6px;
}

.faq-note a:hover {
  color: var(--clr-accent);
}

.cta-entry-section {
  padding-bottom: 76px;
  background: #fff;
}

.cta-entry-panel {
  background: linear-gradient(135deg, #132C38 0%, #1d4655 100%);
  border-radius: 24px;
  color: #fff;
  position: relative;
  overflow: hidden;
  padding: 46px 50px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  flex-wrap: wrap;
  box-shadow: 0 26px 60px rgba(19, 44, 56, 0.24);
}

.cta-entry-panel::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 6px;
  background: var(--clr-accent);
}

.cta-entry-panel h2 {
  font-size: 1.7rem;
  font-weight: 800;
  margin-bottom: 8px;
}

.cta-entry-panel p {
  font-size: 0.96rem;
  color: rgba(255, 255, 255, 0.78);
  margin-bottom: 0;
}

.cta-entry-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 14px;
}

.site-footer {
  background: #132C38;
  color: rgba(255, 255, 255, 0.82);
}

.site-footer .footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 0.9fr 0.9fr 1.1fr;
  gap: 42px;
  padding: 56px 0 42px;
}

.footer-brand {
  display: flex;
  gap: 12px;
  align-items: center;
  margin-bottom: 12px;
}

.footer-brand .brand-symbol {
  background: rgba(255, 255, 255, 0.1);
  color: #ffd2b2;
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.footer-brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.3;
}

.footer-brand-text strong {
  font-size: 1.12rem;
  color: #fff;
  font-weight: 800;
}

.footer-brand-text small {
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  color: rgba(255, 255, 255, 0.6);
}

.footer-desc {
  font-size: 0.88rem;
  color: rgba(255, 255, 255, 0.68);
  line-height: 1.8;
  margin-bottom: 0;
}

.footer-title {
  color: #fff;
  font-size: 0.98rem;
  font-weight: 700;
  margin-bottom: 16px;
  letter-spacing: 0.04em;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.9rem;
  transition: color 0.2s ease, padding-left 0.2s ease;
}

.footer-links a:hover {
  color: var(--clr-accent);
  padding-left: 4px;
}

.footer-note {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  padding: 18px 0;
}

.footer-note-inside {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  flex-wrap: wrap;
  color: rgba(255, 255, 255, 0.55);
  font-size: 0.82rem;
}

@media (min-width: 992px) {
  .navbar-collapse {
    justify-content: center;
  }

  .navbar-actions {
    margin-left: 10px;
  }
}

@media (max-width: 1199.98px) {
  .catalog-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .guide-row {
    grid-template-columns: 70px 240px 1fr;
    gap: 24px;
  }

  .service-band {
    grid-template-columns: 1fr;
    gap: 28px;
  }
}

@media (max-width: 991.98px) {
  .site-header .navbar .container {
    flex-wrap: wrap;
  }

  .navbar-collapse {
    width: 100%;
    flex-basis: 100%;
    flex-grow: 1;
    max-height: calc(100vh - 76px);
    overflow-y: auto;
    background: #fff;
    padding: 16px 8px 22px;
    border-top: 1px solid var(--clr-border);
    box-shadow: 0 26px 36px rgba(32, 43, 51, 0.12);
    border-bottom-left-radius: 18px;
    border-bottom-right-radius: 18px;
  }

  .nav-list {
    flex-direction: column;
    align-items: stretch;
    width: 100%;
    gap: 2px;
  }

  .nav-link-custom {
    width: 100%;
    padding: 12px 14px;
    font-size: 1rem;
  }

  .nav-link-custom span {
    display: flex;
    align-items: center;
    justify-content: space-between;
  }

  .nav-link-custom.active::after {
    display: none;
  }

  .navbar-actions {
    margin-left: 0;
  }

  .navbar-actions.mobile-action-btns {
    display: flex;
    width: 100%;
    gap: 10px;
    margin-top: 14px;
  }

  .mobile-action-btns .btn-login,
  .mobile-action-btns .btn-enter-main {
    flex: 1;
    justify-content: center;
  }

  .mobile-action-search {
    width: 100%;
    margin-top: 14px;
  }

  .mobile-action-search .form-control {
    width: 100%;
  }

  .category-section {
    padding: 56px 0;
  }

  .category-hero-layout {
    flex-direction: column;
    align-items: flex-start;
    gap: 24px;
  }

  .category-hero-labels {
    width: auto;
  }

  .hero-kicker {
    min-height: auto;
    width: auto;
    padding: 8px 18px;
    border-radius: 999px;
    letter-spacing: 0.04em;
    font-size: 0.9rem;
  }

  .guide-row {
    grid-template-columns: 46px 160px 1fr;
    gap: 16px;
    padding: 30px 0;
  }

  .guide-row-index {
    font-size: 1.5rem;
  }

  .guide-row-media {
    align-self: start;
  }

  .guide-row-content h3 {
    font-size: 1.04rem;
  }
}

@media (max-width: 767.98px) {
  .category-section {
    padding: 48px 0;
  }

  .catalog-grid {
    grid-template-columns: 1fr;
  }

  .catalog-card {
    min-height: auto;
  }

  .guide-row {
    grid-template-columns: 1fr;
    gap: 14px;
    padding: 26px 0 30px;
  }

  .guide-row-media {
    max-width: 340px;
  }

  .section-heading {
    flex-direction: column;
    align-items: flex-start;
    margin-bottom: 26px;
  }

  .section-caption {
    font-size: 0.86rem;
  }

  .service-band {
    padding: 30px 24px;
  }

  .service-mini-grid {
    grid-template-columns: 1fr;
  }

  .cta-entry-panel {
    padding: 34px 24px;
    flex-direction: column;
    align-items: flex-start;
  }

  .cta-entry-actions {
    width: 100%;
  }

  .cta-entry-actions .btn-bookmark,
  .cta-entry-actions .btn-light-cta {
    flex: 1;
  }

  .site-footer .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 28px;
    padding: 44px 0 30px;
  }

  .footer-note-inside {
    flex-direction: column;
  }
}

@media (max-width: 520px) {
  .brand-text small {
    letter-spacing: 0.01em;
  }

  .navbar-brand {
    max-width: 210px;
  }

  .category-hero-main h1 {
    font-size: 1.75rem;
  }

  .category-hero-main p {
    font-size: 0.92rem;
  }

  .category-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .category-actions .btn-main,
  .category-actions .btn-line {
    width: 100%;
  }

  .site-footer .footer-grid {
    grid-template-columns: 1fr;
  }
}