/* roulang page: index */
:root {
            --primary: #0E6B4C;
            --primary-dark: #0A3D2E;
            --primary-deeper: #072A20;
            --primary-tint: #E8F1EC;
            --accent: #E5A343;
            --accent-strong: #D4881F;
            --accent-tint: #FBF1DF;
            --bg: #F7F4EC;
            --surface: #FFFFFF;
            --ink: #1B2A24;
            --body: #46544E;
            --muted: #7C8983;
            --border: #E4DED2;
            --radius-card: 14px;
            --radius-btn: 10px;
            --radius-pill: 999px;
            --shadow-sm: 0 1px 2px rgba(10, 45, 35, .05);
            --shadow-md: 0 6px 20px rgba(10, 45, 35, .08);
            --shadow-lg: 0 16px 40px rgba(10, 45, 35, .12);
            --font-title: "Noto Serif SC", "Source Han Serif SC", "Songti SC", serif;
            --font-body: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
            --font-num: "Barlow Condensed", "Oswald", "DIN Alternate", "Arial Narrow", sans-serif;
        }

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

        body {
            font-family: var(--font-body);
            background: var(--bg);
            color: var(--body);
            line-height: 1.8;
            font-size: 1rem;
            margin: 0;
        }

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

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

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

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

        .container {
            max-width: 1200px;
            padding-left: 20px;
            padding-right: 20px;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-family: var(--font-title);
            color: var(--ink);
            line-height: 1.35;
            margin-top: 0;
        }

        .btn {
            border-radius: var(--radius-btn);
            padding: 10px 24px;
            font-weight: 600;
            transition: all .25s ease;
        }

        .btn-accent {
            background: var(--accent);
            color: var(--ink);
            border: none;
            min-height: 46px;
            padding-left: 1.5rem;
            padding-right: 1.5rem;
            font-weight: 700;
            border-radius: 10px;
        }

        .btn-accent:hover {
            background: var(--accent-strong);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }

        .btn-accent:active {
            transform: translateY(0);
            box-shadow: none;
        }

        .btn-accent:focus-visible,
        .btn-ghost:focus-visible,
        .btn-outline-light:focus-visible {
            outline: 3px solid rgba(229, 163, 67, .4);
            outline-offset: 2px;
        }

        .btn-ghost {
            background: transparent;
            border: 1.5px solid var(--border);
            color: var(--primary);
            min-height: 46px;
            border-radius: 10px;
            font-weight: 600;
        }

        .btn-ghost:hover {
            background: var(--primary-tint);
            color: var(--primary);
            border-color: var(--primary);
        }

        .btn-outline-light {
            background: transparent;
            border: 1px solid rgba(255, 255, 255, .45);
            color: #fff;
            min-height: 46px;
            border-radius: 10px;
            font-weight: 600;
        }

        .btn-outline-light:hover {
            background: rgba(255, 255, 255, .12);
            color: #fff;
            border-color: rgba(255, 255, 255, .7);
        }

        .section-title {
            font-size: clamp(1.5rem, 2.5vw, 2.25rem);
            font-weight: 800;
            margin-bottom: .5rem;
        }

        .section-sub {
            color: var(--muted);
            font-size: .95rem;
            margin-bottom: 2rem;
        }

        .card {
            border-radius: var(--radius-card);
            border: 1px solid var(--border);
            background: var(--surface);
            box-shadow: var(--shadow-sm);
            transition: transform .25s ease, box-shadow .25s ease;
        }

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

        .badge-custom {
            display: inline-block;
            padding: 4px 14px;
            border-radius: var(--radius-pill);
            font-size: .78rem;
            font-weight: 600;
            background: var(--primary-tint);
            color: var(--primary);
        }

        .badge-accent {
            background: var(--accent-tint);
            color: var(--accent-strong);
        }

        /* ===== 公告条 ===== */
        .topbar {
            background: var(--primary-tint);
            font-size: .8rem;
            padding: 6px 0;
            color: var(--primary-dark);
        }

        .topbar a {
            color: var(--primary-dark);
            font-weight: 600;
            margin-left: 12px;
        }

        .topbar a:hover {
            color: var(--accent-strong);
        }

        /* ===== 主头部 ===== */
        .main-header {
            background: rgba(255, 255, 255, .96);
            backdrop-filter: blur(8px);
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 1050;
            transition: box-shadow .3s ease;
        }

        .main-header.scrolled {
            box-shadow: var(--shadow-sm);
        }

        .header-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 10px;
            padding-bottom: 10px;
            gap: 16px;
            flex-wrap: wrap;
        }

        .brand-box {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .brand-badge {
            width: 42px;
            height: 42px;
            border-radius: 12px;
            background: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-family: var(--font-num);
            font-size: 1.1rem;
            font-weight: 700;
            letter-spacing: .03em;
        }

        .brand-name {
            font-family: var(--font-title);
            font-size: 1.2rem;
            font-weight: 800;
            color: var(--ink);
            line-height: 1.2;
            white-space: nowrap;
        }

        .brand-name small {
            display: block;
            font-size: .68rem;
            color: var(--muted);
            font-weight: 400;
            letter-spacing: .08em;
        }

        .search-wrap {
            flex: 1 1 auto;
            max-width: 520px;
            position: relative;
            min-width: 220px;
        }

        .search-box {
            display: flex;
            align-items: center;
            height: 48px;
            background: #fff;
            border: 1.5px solid var(--border);
            border-radius: var(--radius-pill);
            padding: 0 18px;
            transition: border-color .25s, box-shadow .25s;
        }

        .search-box:focus-within {
            border-color: var(--accent);
            box-shadow: 0 0 0 4px rgba(229, 163, 67, .18);
        }

        .search-box i {
            color: var(--accent);
            font-size: 1rem;
            margin-right: 10px;
        }

        .search-box input {
            flex: 1;
            border: none;
            outline: none;
            font-size: .9rem;
            background: transparent;
            color: var(--ink);
        }

        .search-box input::placeholder {
            color: var(--muted);
        }

        .search-shortcut {
            font-size: .7rem;
            color: var(--muted);
            border: 1px solid var(--border);
            border-radius: 6px;
            padding: 1px 8px;
            font-family: var(--font-num);
            background: var(--bg);
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .btn-login-header {
            background: var(--primary);
            color: #fff;
            border: none;
            height: 42px;
            padding: 0 22px;
            border-radius: 10px;
            font-weight: 600;
            font-size: .88rem;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: background .25s, transform .25s;
        }

        .btn-login-header:hover {
            background: var(--primary-dark);
            color: #fff;
            transform: translateY(-1px);
        }

        .btn-cat-toggle {
            height: 42px;
            padding: 0 14px;
            border-radius: 10px;
            border: 1px solid var(--border);
            background: #fff;
            color: var(--ink);
            font-size: .85rem;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: all .25s;
        }

        .btn-cat-toggle:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: var(--primary-tint);
        }

        /* ===== 分类导航 ===== */
        .cat-nav {
            border-top: 1px solid #f0ece3;
            background: rgba(255, 255, 255, .92);
        }

        .cat-nav-inner {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 4px;
            padding: 0;
            flex-wrap: nowrap;
            list-style: none;
            margin: 0;
        }

        .cat-nav-inner .nav-item {
            position: relative;
        }

        .cat-nav-inner .nav-link {
            display: block;
            padding: 10px 20px;
            font-size: .88rem;
            font-weight: 500;
            color: var(--body);
            border-bottom: 3px solid transparent;
            transition: color .2s, background .2s;
            white-space: nowrap;
        }

        .cat-nav-inner .nav-link:hover {
            color: var(--primary);
            background: var(--primary-tint);
        }

        .cat-nav-inner .nav-link.active {
            color: var(--primary);
            font-weight: 700;
            border-bottom-color: var(--accent);
        }

        .cat-nav-inner .nav-link.active::after {
            content: "";
            display: block;
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--accent);
            margin: 2px auto 0;
        }

        /* ===== Hero ===== */
        .hero-section {
            position: relative;
            background: linear-gradient(100deg, rgba(7, 42, 32, .94) 0%, rgba(10, 61, 46, .72) 55%, rgba(10, 61, 46, .3) 100%), url('/assets/images/backpic/back-1.webp') center center / cover no-repeat;
            min-height: 520px;
            display: flex;
            align-items: center;
            padding: 70px 0 90px;
            margin-bottom: 0;
        }

        .hero-eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, .12);
            border: 1px solid rgba(255, 255, 255, .25);
            border-radius: var(--radius-pill);
            padding: 6px 16px;
            font-size: .75rem;
            color: rgba(255, 255, 255, .95);
            letter-spacing: .06em;
            text-transform: uppercase;
            margin-bottom: 18px;
            backdrop-filter: blur(4px);
        }

        .hero-title {
            font-size: clamp(2rem, 4.5vw, 3.5rem);
            font-weight: 900;
            color: #fff;
            line-height: 1.25;
            margin-bottom: 14px;
            max-width: 14em;
        }

        .hero-title .accent-text {
            color: var(--accent);
        }

        .hero-subtitle {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, .85);
            max-width: 34em;
            line-height: 1.8;
            margin-bottom: 28px;
        }

        .hero-ctas {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            margin-bottom: 38px;
        }

        .hero-chips {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 8px;
        }

        .hero-chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(255, 255, 255, .1);
            border: 1px solid rgba(255, 255, 255, .2);
            border-radius: var(--radius-pill);
            padding: 6px 16px;
            font-size: .8rem;
            color: rgba(255, 255, 255, .9);
            transition: all .25s;
        }

        .hero-chip:hover {
            background: rgba(255, 255, 255, .2);
            color: #fff;
            border-color: rgba(255, 255, 255, .4);
        }

        .hero-chip i {
            color: var(--accent);
            font-size: .75rem;
        }

        /* ===== 合集目录 ===== */
        .catalog-section {
            padding: 64px 0;
            background: rgba(232, 241, 236, .45);
        }

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

        .catalog-card {
            background: var(--surface);
            border-radius: var(--radius-card);
            border: 1px solid var(--border);
            padding: 28px 24px 22px;
            position: relative;
            overflow: hidden;
            transition: all .3s ease;
        }

        .catalog-card:hover {
            border-color: var(--accent);
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }

        .catalog-num {
            font-family: var(--font-num);
            font-size: 3rem;
            font-weight: 700;
            line-height: 1;
            color: transparent;
            -webkit-text-stroke: 2px rgba(14, 107, 76, .35);
            display: block;
            margin-bottom: 14px;
            transition: all .3s;
        }

        .catalog-card:hover .catalog-num {
            -webkit-text-stroke-color: var(--accent);
            color: rgba(229, 163, 67, .12);
        }

        .catalog-icon {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: var(--primary-tint);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 1.1rem;
            margin-bottom: 14px;
        }

        .catalog-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 6px;
        }

        .catalog-card p {
            font-size: .85rem;
            color: var(--muted);
            margin-bottom: 14px;
            line-height: 1.65;
        }

        .catalog-link {
            font-size: .8rem;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .catalog-link i {
            transition: transform .25s;
        }

        .catalog-card:hover .catalog-link i {
            transform: translateX(4px);
        }

        /* ===== 精选条目 ===== */
        .featured-section {
            padding: 64px 0;
        }

        .featured-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .featured-card {
            display: block;
            border-radius: var(--radius-card);
            overflow: hidden;
            background: var(--surface);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            transition: transform .25s, box-shadow .25s;
            height: 100%;
        }

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

        .featured-cover {
            position: relative;
            height: 200px;
            overflow: hidden;
        }

        .featured-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .3s ease;
        }

        .featured-card:hover .featured-cover img {
            transform: scale(1.04);
        }

        .featured-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            z-index: 2;
        }

        .featured-body {
            padding: 20px 22px 24px;
        }

        .featured-body h3 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 8px;
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            color: var(--ink);
            transition: color .2s;
        }

        .featured-card:hover .featured-body h3 {
            color: var(--primary);
        }

        .featured-body p {
            font-size: .85rem;
            color: var(--muted);
            line-height: 1.7;
            margin-bottom: 14px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .featured-meta {
            display: flex;
            align-items: center;
            gap: 4px;
            font-size: .78rem;
            color: var(--muted);
        }

        .featured-meta .dot {
            width: 3px;
            height: 3px;
            border-radius: 50%;
            background: var(--border);
            margin: 0 6px;
        }

        .featured-meta .read-more {
            color: var(--primary);
            font-weight: 600;
            margin-left: auto;
        }

        /* ===== 资讯列表 ===== */
        .news-section {
            padding: 64px 0;
            background: var(--primary-tint);
        }

        .news-wrap {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 32px;
        }

        .news-list {
            background: var(--surface);
            border-radius: var(--radius-card);
            border: 1px solid var(--border);
            padding: 12px 24px;
        }

        .news-row {
            display: flex;
            align-items: center;
            gap: 18px;
            padding: 20px 6px;
            border-bottom: 1px solid #eee9e0;
            transition: background .2s;
        }

        .news-row:last-child {
            border-bottom: none;
        }

        .news-row:hover {
            background: rgba(232, 241, 236, .5);
        }

        .news-date {
            flex-shrink: 0;
            width: 62px;
            text-align: center;
            padding: 8px 0;
            border-radius: 10px;
            background: var(--accent-tint);
        }

        .news-day {
            display: block;
            font-family: var(--font-num);
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--accent-strong);
            line-height: 1.2;
        }

        .news-my {
            display: block;
            font-size: .7rem;
            color: var(--muted);
            line-height: 1.3;
        }

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

        .news-main h3 {
            font-size: .98rem;
            font-weight: 700;
            margin-bottom: 4px;
            color: var(--ink);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .news-main p {
            font-size: .82rem;
            color: var(--muted);
            margin-bottom: 6px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .news-tag {
            display: inline-block;
            font-size: .72rem;
            background: var(--bg);
            border-radius: var(--radius-pill);
            padding: 2px 12px;
            color: var(--primary);
            font-weight: 600;
        }

        .news-arrow {
            flex-shrink: 0;
            font-size: 1.1rem;
            color: var(--border);
            transition: all .2s;
        }

        .news-row:hover .news-arrow {
            color: var(--accent);
            transform: translateX(3px);
        }

        .empty-state {
            text-align: center;
            padding: 60px 20px;
            border: 2px dashed var(--border);
            border-radius: var(--radius-card);
            margin: 20px 0;
            color: var(--muted);
        }

        .empty-state .empty-icon {
            font-size: 2.5rem;
            display: block;
            margin-bottom: 12px;
        }

        .empty-state p {
            font-size: .95rem;
            margin: 0;
        }

        .sidebar-block {
            background: var(--surface);
            border-radius: var(--radius-card);
            border: 1px solid var(--border);
            padding: 24px;
            margin-bottom: 24px;
        }

        .sidebar-block h4 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 16px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--primary-tint);
            position: relative;
        }

        .sidebar-block h4::after {
            content: "";
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 36px;
            height: 2px;
            background: var(--accent);
        }

        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .tag-cloud a {
            font-size: .78rem;
            background: var(--bg);
            border-radius: var(--radius-pill);
            padding: 4px 14px;
            color: var(--body);
            transition: all .2s;
            border: 1px solid transparent;
        }

        .tag-cloud a:hover {
            background: var(--primary-tint);
            color: var(--primary);
            border-color: var(--primary);
        }

        .quick-link-card {
            padding: 8px 0;
        }

        .quick-link-card .btn {
            margin-bottom: 8px;
            width: 100%;
        }

        /* ===== 相关推荐 ===== */
        .related-section {
            padding: 64px 0;
            overflow: hidden;
        }

        .related-track-wrap {
            position: relative;
            margin: 0 -20px;
            padding: 0 20px;
        }

        .related-track {
            display: flex;
            gap: 20px;
            overflow-x: auto;
            scroll-snap-type: x mandatory;
            padding-bottom: 12px;
            scrollbar-width: thin;
            scrollbar-color: var(--border) transparent;
        }

        .related-track::-webkit-scrollbar {
            height: 6px;
        }

        .related-track::-webkit-scrollbar-thumb {
            background: var(--border);
            border-radius: 10px;
        }

        .related-card {
            flex: 0 0 260px;
            scroll-snap-align: start;
            border-radius: var(--radius-card);
            overflow: hidden;
            background: var(--surface);
            border: 1px solid var(--border);
            transition: transform .25s, box-shadow .25s;
        }

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

        .related-cover {
            height: 140px;
            overflow: hidden;
        }

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

        .related-body {
            padding: 14px 16px;
        }

        .related-body h3 {
            font-size: .9rem;
            font-weight: 700;
            margin-bottom: 4px;
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .related-body span {
            font-size: .72rem;
            color: var(--muted);
        }

        /* ===== FAQ ===== */
        .faq-section {
            padding: 64px 0;
            background: var(--bg);
        }

        .accordion {
            --bs-accordion-border-width: 1px;
            --bs-accordion-border-color: var(--border);
            --bs-accordion-border-radius: 12px;
            --bs-accordion-inner-border-radius: 11px;
            --bs-accordion-btn-padding-y: 1rem;
            --bs-accordion-btn-padding-x: 1.25rem;
            --bs-accordion-btn-font-weight: 600;
            --bs-accordion-body-padding-y: 1rem;
            --bs-accordion-body-padding-x: 1.5rem;
        }

        .accordion-item {
            border-radius: 12px;
            margin-bottom: 10px;
            overflow: hidden;
            border: 1px solid var(--border) !important;
            background: var(--surface);
        }

        .accordion-button {
            font-family: var(--font-body);
            font-size: .95rem;
            font-weight: 600;
            color: var(--ink);
            background: var(--surface);
            padding: 18px 24px;
            box-shadow: none !important;
        }

        .accordion-button:not(.collapsed) {
            background: var(--surface);
            color: var(--primary);
        }

        .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(229, 163, 67, .25);
            border-color: transparent;
        }

        .accordion-button::after {
            background-image: none;
            content: "+";
            font-size: 1.3rem;
            font-weight: 300;
            color: var(--accent);
            transform: none;
            transition: transform .3s ease;
            font-family: var(--font-body);
            line-height: 1;
        }

        .accordion-button:not(.collapsed)::after {
            background-image: none;
            transform: rotate(45deg);
            color: var(--accent-strong);
        }

        .accordion-body {
            padding: 12px 24px 24px;
            color: var(--body);
            font-size: .92rem;
            line-height: 1.85;
            border-left: 3px solid var(--primary);
            margin-left: 24px;
            margin-right: 24px;
            margin-bottom: 20px;
            background: var(--primary-tint);
            border-radius: 0 8px 8px 0;
        }

        /* ===== CTA ===== */
        .cta-section {
            position: relative;
            background: var(--primary-dark);
            padding: 70px 0;
            text-align: center;
            overflow: hidden;
        }

        .cta-section::before {
            content: "";
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            opacity: .15;
        }

        .cta-section::after {
            content: "";
            position: absolute;
            inset: 0;
            background: repeating-linear-gradient(45deg, rgba(255, 255, 255, .03) 0, rgba(255, 255, 255, .03) 10px, transparent 10px, transparent 20px);
        }

        .cta-content {
            position: relative;
            z-index: 2;
        }

        .cta-section h2 {
            color: #fff;
            font-size: clamp(1.5rem, 2.5vw, 2.2rem);
            font-weight: 800;
            margin-bottom: 14px;
        }

        .cta-section p {
            color: rgba(255, 255, 255, .75);
            font-size: .95rem;
            margin-bottom: 28px;
            max-width: 560px;
            margin-left: auto;
            margin-right: auto;
        }

        .cta-buttons {
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
        }

        .cta-hint {
            color: rgba(255, 255, 255, .5);
            font-size: .78rem;
            margin-top: 18px;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--primary-deeper);
            color: rgba(255, 255, 255, .7);
            border-top: 3px solid var(--accent);
        }

        .footer-main {
            padding: 60px 0 30px;
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 40px;
        }

        .footer-brand .brand-badge {
            margin-bottom: 12px;
        }

        .footer-brand .brand-name {
            color: #fff;
        }

        .footer-brand .brand-name small {
            color: rgba(255, 255, 255, .5);
        }

        .footer-brand p {
            font-size: .85rem;
            color: rgba(255, 255, 255, .55);
            line-height: 1.7;
            margin-top: 12px;
        }

        .footer-col h5 {
            color: #fff;
            font-size: .9rem;
            font-weight: 700;
            margin-bottom: 18px;
        }

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

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

        .footer-col ul li a {
            color: rgba(255, 255, 255, .55);
            font-size: .85rem;
            transition: color .2s, padding-left .2s;
        }

        .footer-col ul li a:hover {
            color: var(--accent);
            padding-left: 4px;
        }

        .footer-security {
            background: rgba(255, 255, 255, .05);
            border-radius: 10px;
            padding: 14px;
            font-size: .78rem;
            color: rgba(255, 255, 255, .5);
        }

        .footer-security i {
            color: var(--accent);
            margin-right: 4px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .08);
            padding: 18px 0;
            text-align: center;
            font-size: .78rem;
            color: rgba(255, 255, 255, .4);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1199.98px) {
            .catalog-grid {
                grid-template-columns: repeat(2, 1fr);
            }

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

        @media (max-width: 991.98px) {
            .header-row {
                flex-wrap: wrap;
            }

            .search-wrap {
                order: 3;
                max-width: 100%;
                flex: 0 0 100%;
            }

            .hero-section {
                min-height: auto;
                padding: 60px 0 70px;
            }

            .news-wrap {
                grid-template-columns: 1fr;
            }

            .footer-main {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 767.98px) {
            .hero-section {
                padding: 40px 0 50px;
                min-height: auto;
            }

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

            .hero-subtitle {
                font-size: .9rem;
            }

            .hero-ctas .btn {
                width: 100%;
            }

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

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

            .featured-cover {
                height: 180px;
            }

            .news-row {
                flex-wrap: wrap;
                gap: 10px;
            }

            .news-date {
                width: auto;
                padding: 4px 14px;
            }

            .news-day {
                font-size: 1.1rem;
            }

            .footer-main {
                grid-template-columns: 1fr;
                gap: 30px;
            }

            .brand-name {
                font-size: 1rem;
            }

            .cat-nav-inner {
                overflow-x: auto;
                justify-content: flex-start;
                -webkit-overflow-scrolling: touch;
            }

            .cat-nav-inner .nav-link {
                padding: 10px 14px;
                font-size: .82rem;
            }

            .cta-buttons .btn {
                width: 100%;
            }
        }

        @media (max-width: 520px) {
            .header-actions .btn-cat-toggle {
                display: none;
            }

            .search-shortcut {
                display: none;
            }

            .brand-name small {
                display: none;
            }
        }

/* roulang page: article */
:root {
    --primary: #0E6B4C;
    --primary-dark: #0A3D2E;
    --primary-deeper: #072A20;
    --primary-tint: #E8F1EC;
    --accent: #E5A343;
    --accent-strong: #D4881F;
    --accent-tint: #FBF1DF;
    --bg: #F7F4EC;
    --surface: #FFFFFF;
    --ink: #1B2A24;
    --body: #46544E;
    --muted: #7C8983;
    --border: #E4DED2;
    --radius-card: 14px;
    --radius-btn: 10px;
    --radius-pill: 999px;
    --shadow-sm: 0 1px 2px rgba(10,45,35,.05);
    --shadow-md: 0 6px 20px rgba(10,45,35,.08);
    --shadow-lg: 0 16px 40px rgba(10,45,35,.12);
    --font-serif: "Noto Serif SC","Source Han Serif SC","Songti SC",serif;
    --font-sans: "Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
}
*,
*::before,
*::after {
    box-sizing: border-box;
}
html {
    scroll-behavior: smooth;
}
body {
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.75;
    color: var(--body);
    background: var(--bg);
    -webkit-font-smoothing: antialiased;
    margin: 0;
    padding: 0;
}
a {
    color: var(--primary);
    text-decoration: none;
    transition: color .2s ease;
}
a:hover {
    color: var(--accent-strong);
}
img {
    max-width: 100%;
    height: auto;
}
button,
input,
select {
    font-family: inherit;
    font-size: inherit;
    line-height: inherit;
}
button {
    cursor: pointer;
}
.container {
    max-width: 1200px;
}
/* ---------- 按钮系统 ---------- */
.btn-accent {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    height: 46px;
    padding: 0 24px;
    background: var(--accent);
    color: var(--ink);
    border: none;
    border-radius: var(--radius-btn);
    font-weight: 700;
    font-size: 15px;
    text-decoration: none;
    transition: all .25s ease;
    box-shadow: none;
}
.btn-accent:hover {
    background: var(--accent-strong);
    color: var(--ink);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}
.btn-accent:active {
    transform: translateY(0);
    box-shadow: var(--shadow-sm);
}
.btn-accent:focus-visible,
.btn-outline:focus-visible,
.btn-ghost:focus-visible,
.btn-light-outline:focus-visible {
    outline: none;
    box-shadow: 0 0 0 4px rgba(232, 163, 61, .4);
}
.btn-outline {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    height: 46px;
    padding: 0 24px;
    background: transparent;
    color: var(--primary);
    border: 1.5px solid var(--border);
    border-radius: var(--radius-btn);
    font-weight: 600;
    font-size: 15px;
    text-decoration: none;
    transition: all .25s ease;
}
.btn-outline:hover {
    background: var(--primary-tint);
    border-color: var(--primary);
    color: var(--primary);
}
.btn-ghost {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    height: 42px;
    padding: 0 20px;
    background: transparent;
    color: var(--primary);
    border: 1.5px solid var(--border);
    border-radius: var(--radius-btn);
    font-weight: 600;
    font-size: 14px;
    text-decoration: none;
    transition: all .25s ease;
}
.btn-ghost:hover {
    background: var(--primary-tint);
    border-color: var(--primary);
}
.btn-light-outline {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    height: 46px;
    padding: 0 24px;
    background: transparent;
    color: #fff;
    border: 1.5px solid rgba(255, 255, 255, .45);
    border-radius: var(--radius-btn);
    font-weight: 600;
    font-size: 15px;
    text-decoration: none;
    transition: all .25s ease;
}
.btn-light-outline:hover {
    background: rgba(255, 255, 255, .12);
    color: #fff;
    border-color: rgba(255, 255, 255, .7);
}
/* ---------- Header ---------- */
.main-header {
    position: sticky;
    top: 0;
    z-index: 1050;
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
    transition: box-shadow .3s ease;
}
.main-header.scrolled {
    box-shadow: var(--shadow-md);
}
.main-header .header-row {
    display: flex;
    align-items: center;
    gap: 24px;
    min-height: 72px;
}
.brand-box {
    flex-shrink: 0;
}
.brand-box a {
    display: flex;
    align-items: center;
    gap: 10px;
}
.brand-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    background: var(--primary);
    color: #fff;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 800;
    font-family: "Barlow Condensed", "Oswald", "Arial Narrow", sans-serif;
    letter-spacing: 1px;
    flex-shrink: 0;
}
.brand-name {
    font-family: var(--font-serif);
    font-size: 22px;
    font-weight: 900;
    color: var(--ink);
    line-height: 1.2;
    white-space: nowrap;
}
.brand-name small {
    display: block;
    font-family: var(--font-sans);
    font-size: 11px;
    font-weight: 400;
    color: var(--muted);
    letter-spacing: 2px;
    margin-top: 2px;
}
.search-wrap {
    flex: 1 1 auto;
    display: flex;
    justify-content: center;
    min-width: 0;
}
.search-box {
    display: flex;
    align-items: center;
    width: 100%;
    max-width: 560px;
    height: 48px;
    background: #fff;
    border: 1.5px solid var(--border);
    border-radius: var(--radius-pill);
    padding: 0 18px;
    transition: border-color .25s, box-shadow .25s;
}
.search-box:focus-within {
    border-color: var(--accent);
    box-shadow: 0 0 0 4px rgba(232, 163, 61, .18);
}
.search-box > i {
    color: var(--accent);
    font-size: 17px;
    margin-right: 10px;
    flex-shrink: 0;
}
.search-box .form-control {
    flex: 1;
    border: none;
    box-shadow: none;
    outline: none;
    background: transparent;
    font-size: 15px;
    color: var(--ink);
    padding: 0;
    min-width: 0;
}
.search-box .form-control::placeholder {
    color: var(--muted);
}
.search-shortcut {
    margin-left: 10px;
    width: 26px;
    height: 26px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--muted);
    font-size: 13px;
    font-weight: 700;
    flex-shrink: 0;
}
.header-actions {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
}
.btn-cat-toggle {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    height: 42px;
    padding: 0 16px;
    background: #fff;
    color: var(--ink);
    border: 1px solid var(--border);
    border-radius: var(--radius-btn);
    font-weight: 600;
    font-size: 14px;
    transition: all .2s;
}
.btn-cat-toggle:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: var(--primary-tint);
}
.btn-login-header {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    height: 42px;
    padding: 0 22px;
    background: var(--accent);
    color: var(--ink);
    border: none;
    border-radius: var(--radius-btn);
    font-weight: 700;
    font-size: 14px;
    text-decoration: none;
    transition: all .25s;
}
.btn-login-header:hover {
    background: var(--accent-strong);
    color: var(--ink);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}
.cat-nav {
    border-top: 1px solid var(--border);
    background: var(--surface);
}
.cat-nav-inner {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: 4px;
    overflow-x: auto;
    scrollbar-width: none;
}
.cat-nav-inner::-webkit-scrollbar {
    display: none;
}
.cat-nav-inner .nav-item {
    flex-shrink: 0;
}
.cat-nav-inner .nav-link {
    position: relative;
    display: inline-block;
    padding: 13px 20px;
    color: var(--body);
    font-size: 14px;
    font-weight: 500;
    text-decoration: none;
    transition: color .2s;
}
.cat-nav-inner .nav-link:hover {
    color: var(--primary);
    background: var(--primary-tint);
    border-radius: 6px 6px 0 0;
}
.cat-nav-inner .nav-link.active {
    color: var(--primary);
    font-weight: 700;
}
.cat-nav-inner .nav-link.active::after {
    content: "";
    position: absolute;
    left: 20px;
    right: 20px;
    bottom: -1px;
    height: 3px;
    border-radius: 3px 3px 0 0;
    background: var(--accent);
}
/* ---------- 文章主体 ---------- */
.article-page {
    padding: 36px 0 64px;
    min-height: 60vh;
}
.breadcrumb-nav {
    margin-bottom: 20px;
}
.breadcrumb-nav .breadcrumb {
    margin: 0;
    padding: 0;
    background: transparent;
}
.breadcrumb-nav .breadcrumb-item {
    font-size: 13px;
    color: var(--muted);
}
.breadcrumb-nav .breadcrumb-item a {
    color: var(--muted);
    text-decoration: none;
    transition: color .2s;
}
.breadcrumb-nav .breadcrumb-item a:hover {
    color: var(--primary);
}
.breadcrumb-nav .breadcrumb-item.active {
    color: var(--body);
    font-weight: 600;
    max-width: 300px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.breadcrumb-nav .breadcrumb-item + .breadcrumb-item::before {
    content: "›";
    color: var(--border);
    font-weight: 300;
}
.article-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-card);
    box-shadow: var(--shadow-sm);
    padding: 44px 40px;
}
.article-inner {
    max-width: 760px;
    margin: 0 auto;
}
.article-header {
    margin-bottom: 32px;
    padding-bottom: 28px;
    border-bottom: 1px solid var(--border);
}
.article-header h1 {
    font-family: var(--font-serif);
    font-size: clamp(1.5rem, 3vw, 2.4rem);
    font-weight: 900;
    color: var(--ink);
    line-height: 1.4;
    margin: 0 0 18px;
    letter-spacing: .5px;
}
.article-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 16px;
    color: var(--muted);
    font-size: 13px;
}
.article-meta > span {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}
.article-meta i {
    color: var(--accent);
    font-size: 14px;
}
.meta-category a {
    color: var(--primary);
    font-weight: 600;
    text-decoration: none;
}
.share-buttons {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-left: auto;
}
.share-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border: 1px solid var(--border);
    border-radius: 50%;
    background: #fff;
    color: var(--muted);
    font-size: 13px;
    transition: all .2s;
}
.share-btn:hover {
    background: var(--primary-tint);
    border-color: var(--primary);
    color: var(--primary);
    transform: translateY(-2px);
}
/* ---------- 正文 ---------- */
.article-body {
    font-size: 1.0625rem;
    line-height: 1.9;
    color: var(--body);
    word-wrap: break-word;
}
.article-body > *:first-child {
    margin-top: 0;
}
.article-body h2 {
    font-family: var(--font-serif);
    font-weight: 700;
    font-size: 1.55rem;
    color: var(--ink);
    margin: 2em 0 .8em;
    padding-left: 14px;
    border-left: 4px solid var(--accent);
    line-height: 1.4;
}
.article-body h3 {
    font-family: var(--font-sans);
    font-weight: 700;
    font-size: 1.2rem;
    color: var(--primary);
    margin: 1.8em 0 .6em;
}
.article-body h4 {
    font-family: var(--font-sans);
    font-weight: 700;
    font-size: 1.05rem;
    color: var(--ink);
    margin: 1.5em 0 .5em;
}
.article-body p {
    margin-bottom: 1.4em;
}
.article-body a {
    color: var(--primary);
    text-decoration: underline;
    text-underline-offset: 3px;
}
.article-body a:hover {
    color: var(--accent-strong);
}
.article-body blockquote {
    background: var(--primary-tint);
    border-left: 4px solid var(--primary);
    border-radius: 8px;
    padding: 1.2em 1.4em;
    margin: 1.6em 0;
    color: var(--ink);
    font-style: normal;
}
.article-body blockquote p {
    margin-bottom: .5em;
}
.article-body blockquote p:last-child {
    margin-bottom: 0;
}
.article-body img {
    max-width: 100%;
    height: auto;
    border-radius: 12px;
    border: 1px solid var(--border);
    margin: 1.2em 0;
}
.article-body figure {
    margin: 1.6em 0;
}
.article-body figcaption {
    font-size: 13px;
    color: var(--muted);
    text-align: center;
    margin-top: 8px;
}
.article-body table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.6em 0;
    font-size: 15px;
}
.article-body th {
    background: var(--primary-tint);
    color: var(--ink);
    font-weight: 700;
    text-align: left;
}
.article-body th,
.article-body td {
    padding: .8em 1em;
    border: 1px solid var(--border);
}
.article-body ul,
.article-body ol {
    padding-left: 1.5em;
    margin-bottom: 1.4em;
}
.article-body li {
    margin-bottom: .5em;
}
.article-body li::marker {
    color: var(--accent-strong);
}
.article-body code {
    background: #F1EFE7;
    border-radius: 6px;
    padding: .15em .5em;
    font-size: .88em;
    color: var(--primary);
    font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}
.article-body kbd {
    background: var(--bg);
    border: 1px solid var(--border);
    border-bottom-width: 2px;
    border-radius: 6px;
    padding: .15em .5em;
    font-size: .85em;
    font-family: "SFMono-Regular", Consolas, monospace;
    color: var(--ink);
}
.article-body hr {
    border: none;
    border-top: 1px solid var(--border);
    margin: 2.4em 0;
}
/* ---------- 文末标签 ---------- */
.article-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 32px;
    padding-top: 24px;
    border-top: 1px solid var(--border);
}
.tag-chip {
    display: inline-flex;
    align-items: center;
    padding: 6px 14px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-pill);
    font-size: 13px;
    color: var(--body);
    transition: all .2s;
}
.tag-chip:hover {
    background: var(--primary-tint);
    border-color: var(--primary);
    color: var(--primary);
}
/* ---------- 上一篇 / 下一篇 ---------- */
.post-nav {
    margin-top: 20px;
}
.post-nav-card {
    display: block;
    height: 100%;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-card);
    padding: 20px 24px;
    text-decoration: none;
    transition: all .25s;
}
.post-nav-card:hover {
    border-color: var(--accent);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}
.post-nav-label {
    display: block;
    font-size: 12px;
    font-weight: 600;
    color: var(--muted);
    margin-bottom: 6px;
    letter-spacing: 1px;
}
.post-nav-title {
    display: block;
    font-family: var(--font-serif);
    font-size: 16px;
    font-weight: 700;
    color: var(--ink);
    line-height: 1.5;
}
.post-nav-card.next .post-nav-label {
    text-align: right;
}
.post-nav-card.next .post-nav-title {
    text-align: right;
}
/* ---------- 相关推荐 ---------- */
.related-section {
    margin-top: 48px;
}
.related-section .section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 24px;
}
.related-section .section-title {
    font-family: var(--font-serif);
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--ink);
    margin: 0;
    padding-left: 14px;
    border-left: 4px solid var(--accent);
}
.section-more {
    font-size: 14px;
    font-weight: 600;
    color: var(--primary);
    text-decoration: none;
    transition: color .2s;
}
.section-more:hover {
    color: var(--accent-strong);
}
.related-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.related-card {
    display: block;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-card);
    overflow: hidden;
    text-decoration: none;
    transition: all .25s;
}
.related-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}
.related-cover {
    position: relative;
    aspect-ratio: 16 / 9;
    overflow: hidden;
}
.related-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .4s ease;
}
.related-card:hover .related-cover img {
    transform: scale(1.04);
}
.cat-badge {
    position: absolute;
    top: 12px;
    left: 12px;
    display: inline-block;
    padding: 4px 12px;
    background: var(--accent);
    color: var(--ink);
    font-size: 12px;
    font-weight: 700;
    border-radius: var(--radius-pill);
    box-shadow: var(--shadow-sm);
}
.related-body {
    padding: 18px 20px 22px;
}
.related-body h3 {
    font-family: var(--font-serif);
    font-size: 17px;
    font-weight: 700;
    color: var(--ink);
    line-height: 1.5;
    margin: 0 0 8px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.related-body p {
    font-size: 14px;
    color: var(--muted);
    line-height: 1.6;
    margin: 0;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
/* ---------- 收藏 / 分享 CTA ---------- */
.article-cta {
    margin-top: 48px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-card);
    padding: 32px 40px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    flex-wrap: wrap;
}
.cta-copy h2 {
    font-family: var(--font-serif);
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--ink);
    margin: 0 0 6px;
}
.cta-copy p {
    font-size: 14px;
    color: var(--muted);
    margin: 0;
}
.cta-actions {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
}
.cta-hint {
    font-size: 12px;
    color: var(--muted);
    margin-top: 6px;
    display: block;
}
/* ---------- 空态 ---------- */
.article-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    background: var(--surface);
    border: 2px dashed var(--border);
    border-radius: var(--radius-card);
    padding: 80px 40px;
    min-height: 420px;
}
.empty-icon {
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-tint);
    border-radius: 50%;
    color: var(--primary);
    font-size: 32px;
    margin-bottom: 24px;
}
.article-empty h1 {
    font-family: var(--font-serif);
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--ink);
    margin: 0 0 10px;
}
.article-empty p {
    color: var(--muted);
    margin-bottom: 28px;
    font-size: 15px;
}
/* ---------- 页脚 ---------- */
.site-footer {
    background: var(--primary-deeper);
    color: rgba(255, 255, 255, .75);
    border-top: 3px solid var(--accent);
}
.footer-main {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
    gap: 40px;
    padding: 56px 0 40px;
}
.footer-brand .brand-badge {
    background: rgba(255, 255, 255, .12);
    border: 1px solid rgba(255, 255, 255, .15);
}
.footer-brand .brand-name {
    color: #fff;
}
.footer-brand .brand-name small {
    color: rgba(255, 255, 255, .4);
}
.footer-brand p {
    margin-top: 16px;
    font-size: 14px;
    line-height: 1.7;
    color: rgba(255, 255, 255, .5);
    max-width: 320px;
}
.footer-col h5 {
    color: #fff;
    font-size: 15px;
    font-weight: 700;
    margin-bottom: 18px;
    padding-bottom: 10px;
    position: relative;
}
.footer-col h5::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    width: 24px;
    height: 2px;
    background: var(--accent);
}
.footer-col ul {
    list-style: none;
    padding: 0;
    margin: 0;
}
.footer-col ul li {
    margin-bottom: 10px;
}
.footer-col ul a {
    color: rgba(255, 255, 255, .55);
    font-size: 14px;
    text-decoration: none;
    transition: color .2s, padding-left .2s;
}
.footer-col ul a:hover {
    color: var(--accent);
    padding-left: 4px;
}
.footer-security p {
    font-size: 13px;
    color: rgba(255, 255, 255, .45);
    margin-bottom: 8px;
    line-height: 1.6;
}
.footer-security i {
    color: var(--accent);
    margin-right: 6px;
}
.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, .1);
    padding: 18px 0;
    text-align: center;
    font-size: 13px;
    color: rgba(255, 255, 255, .35);
}
/* ---------- 响应式 ---------- */
@media (max-width: 1199.98px) {
    .footer-main {
        grid-template-columns: 1fr 1fr;
        gap: 32px;
    }
    .related-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 16px;
    }
}
@media (max-width: 991.98px) {
    .header-row {
        flex-wrap: wrap;
        gap: 12px;
        padding: 12px 0;
    }
    .brand-box {
        flex: 1;
    }
    .search-wrap {
        order: 3;
        flex-basis: 100%;
        justify-content: center;
    }
    .search-box {
        max-width: 100%;
    }
    .header-actions {
        flex-shrink: 0;
    }
    .related-grid {
        grid-template-columns: 1fr 1fr;
    }
    .article-card {
        padding: 32px 24px;
    }
    .article-cta {
        flex-direction: column;
        align-items: flex-start;
        padding: 28px 24px;
    }
}
@media (max-width: 767.98px) {
    .article-page {
        padding: 20px 0 48px;
    }
    .article-card {
        padding: 24px 18px;
        border-radius: 12px;
    }
    .article-body {
        font-size: 16px;
        line-height: 1.85;
    }
    .article-body h2 {
        font-size: 1.3rem;
    }
    .article-header h1 {
        font-size: 1.35rem;
    }
    .article-meta {
        gap: 10px;
    }
    .share-buttons {
        margin-left: 0;
        width: 100%;
        margin-top: 6px;
    }
    .related-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    .post-nav .col-md-6 + .col-md-6 {
        margin-top: 12px;
    }
    .article-cta {
        padding: 24px 20px;
        gap: 16px;
    }
    .cta-actions {
        width: 100%;
        flex-direction: column;
        align-items: stretch;
    }
    .cta-actions .btn-accent,
    .cta-actions .btn-ghost {
        width: 100%;
        justify-content: center;
    }
    .footer-main {
        grid-template-columns: 1fr;
        padding: 40px 0 24px;
        gap: 28px;
    }
    .cat-nav-inner .nav-link {
        padding: 12px 14px;
        font-size: 13px;
    }
    .btn-login-header {
        padding: 0 14px;
        font-size: 13px;
    }
    .btn-cat-toggle {
        padding: 0 12px;
    }
    .brand-name {
        font-size: 17px;
    }
    .brand-badge {
        width: 36px;
        height: 36px;
        font-size: 14px;
        border-radius: 10px;
    }
}
@media (max-width: 575.98px) {
    .header-actions .btn-cat-toggle span {
        display: none;
    }
    .btn-cat-toggle {
        width: 42px;
        justify-content: center;
        padding: 0;
    }
    .btn-login-header span {
        display: none;
    }
    .btn-login-header {
        width: 42px;
        justify-content: center;
        padding: 0;
    }
    .brand-name small {
        display: none;
    }
    .breadcrumb-nav .breadcrumb-item.active {
        max-width: 160px;
    }
    .article-empty {
        padding: 60px 24px;
        min-height: 320px;
    }
}

/* roulang page: category1 */
:root {
            --primary: #0E6B4C;
            --primary-dark: #0A3D2E;
            --primary-deeper: #072A20;
            --primary-tint: #E8F1EC;
            --accent: #E5A343;
            --accent-strong: #D4881F;
            --accent-tint: #FBF1DF;
            --bg: #F7F4EC;
            --surface: #FFFFFF;
            --ink: #1B2A24;
            --body: #46544E;
            --muted: #7C8983;
            --border: #E4DED2;
            --shadow-sm: 0 1px 2px rgba(10, 45, 35, .05);
            --shadow-md: 0 6px 20px rgba(10, 45, 35, .08);
            --shadow-lg: 0 16px 40px rgba(10, 45, 35, .12);
            --radius-card: 14px;
            --radius-btn: 10px;
            --radius-pill: 999px;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        body {
            margin: 0;
            font-family: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', system-ui, sans-serif;
            background: var(--bg);
            color: var(--body);
            font-size: 16px;
            line-height: 1.8;
            -webkit-font-smoothing: antialiased;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-family: 'Noto Serif SC', 'Source Han Serif SC', 'Songti SC', serif;
            color: var(--ink);
            font-weight: 700;
            line-height: 1.35;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: color .2s ease, background .2s ease, border-color .2s ease, box-shadow .2s ease, transform .25s ease;
        }
        a:hover {
            color: var(--accent-strong);
            text-decoration: none;
        }
        img {
            max-width: 100%;
            display: block;
        }
        input,
        button {
            font-family: inherit;
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 3px solid rgba(232, 163, 61, .6);
            outline-offset: 2px;
            border-radius: 4px;
        }

        .container {
            max-width: 1200px;
        }

        /* ---------- Header ---------- */
        .main-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: rgba(255, 255, 255, .96);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
        }
        .header-row {
            display: flex;
            align-items: center;
            gap: 24px;
            padding: 12px 0;
        }
        .brand-box {
            flex: 0 0 auto;
            min-width: 190px;
        }
        .brand-badge {
            display: inline-flex;
            width: 42px;
            height: 42px;
            border-radius: 12px;
            background: var(--primary);
            color: #fff;
            font-family: 'Barlow Condensed', 'Oswald', 'Arial Narrow', sans-serif;
            font-weight: 800;
            font-size: 1rem;
            letter-spacing: .5px;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            box-shadow: var(--shadow-sm);
        }
        .brand-name {
            font-family: 'Noto Serif SC', serif;
            font-weight: 900;
            font-size: 1.125rem;
            color: var(--ink);
            line-height: 1.2;
            display: block;
            margin-left: 10px;
        }
        .brand-name small {
            display: block;
            font-family: 'Noto Sans SC', sans-serif;
            font-size: .7rem;
            font-weight: 400;
            color: var(--muted);
            margin-top: 2px;
        }
        .search-wrap {
            flex: 1 1 auto;
            display: flex;
            justify-content: center;
            min-width: 0;
        }
        .search-box {
            position: relative;
            width: 520px;
            max-width: 100%;
            height: 48px;
            border-radius: var(--radius-pill);
            background: #fff;
            border: 1.5px solid var(--border);
            display: flex;
            align-items: center;
            padding: 0 12px 0 18px;
            transition: border-color .25s, box-shadow .25s;
        }
        .search-box:focus-within {
            border-color: var(--accent);
            box-shadow: 0 0 0 4px rgba(232, 163, 61, .18);
        }
        .search-box i {
            color: var(--accent);
            font-size: 1rem;
            margin-right: 10px;
        }
        .search-box input {
            flex: 1;
            min-width: 0;
            border: none;
            outline: none;
            font-size: .9rem;
            background: transparent;
            color: var(--ink);
        }
        .search-box input::placeholder {
            color: var(--muted);
        }
        .search-shortcut {
            width: 24px;
            height: 24px;
            border-radius: 8px;
            background: var(--bg);
            border: 1px solid var(--border);
            font-size: .75rem;
            color: var(--muted);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }
        .header-actions {
            display: flex;
            gap: 12px;
            align-items: center;
            flex-shrink: 0;
        }
        .btn-cat-toggle {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            height: 44px;
            padding: 0 18px;
            border-radius: var(--radius-btn);
            border: 1px solid var(--border);
            background: var(--surface);
            color: var(--ink);
            font-size: .875rem;
            font-weight: 600;
            transition: all .25s;
        }
        .btn-cat-toggle:hover {
            border-color: var(--primary);
            background: var(--primary-tint);
        }
        .btn-login-header {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            height: 44px;
            padding: 0 22px;
            border-radius: var(--radius-btn);
            background: var(--accent);
            color: var(--ink);
            font-weight: 700;
            font-size: .875rem;
            border: none;
            transition: all .25s;
        }
        .btn-login-header:hover {
            background: var(--accent-strong);
            color: var(--ink);
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }
        .cat-nav {
            border-top: 1px solid var(--border);
            background: var(--surface);
        }
        .cat-nav-inner {
            display: flex;
            justify-content: center;
            list-style: none;
            margin: 0;
            padding: 0;
            gap: 4px;
        }
        .cat-nav-inner .nav-item {
            margin: 0;
            list-style: none;
        }
        .cat-nav-inner .nav-link {
            display: inline-flex;
            align-items: center;
            padding: 12px 18px;
            font-size: .9rem;
            color: var(--body);
            font-weight: 500;
            border-radius: 10px 10px 0 0;
            position: relative;
            transition: background .2s, color .2s;
        }
        .cat-nav-inner .nav-link:hover {
            background: var(--primary-tint);
            color: var(--primary);
        }
        .cat-nav-inner .nav-link.active {
            color: var(--primary);
            font-weight: 700;
        }
        .cat-nav-inner .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 16px;
            right: 16px;
            height: 3px;
            background: var(--accent);
            border-radius: 2px 2px 0 0;
        }
        .cat-nav-inner .nav-link.active::before {
            content: '';
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--accent);
            margin-right: 6px;
        }

        /* ---------- Category Hero ---------- */
        .cat-hero {
            position: relative;
            min-height: 360px;
            display: flex;
            align-items: center;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            overflow: hidden;
            padding: 56px 0;
        }
        .cat-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(100deg, rgba(7, 42, 32, .94) 0%, rgba(10, 61, 46, .72) 55%, rgba(10, 61, 46, .25) 100%);
        }
        .cat-hero .container {
            position: relative;
            z-index: 2;
        }
        .cat-hero .breadcrumb {
            background: transparent;
            padding: 0;
            margin-bottom: 18px;
            --bs-breadcrumb-divider-color: rgba(255, 255, 255, .5);
        }
        .cat-hero .breadcrumb-item,
        .cat-hero .breadcrumb-item a {
            color: rgba(255, 255, 255, .78);
            font-size: .875rem;
            text-decoration: none;
        }
        .cat-hero .breadcrumb-item:hover a {
            color: var(--accent);
        }
        .cat-hero .breadcrumb-item.active {
            color: rgba(255, 255, 255, .95);
        }
        .hero-eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(255, 255, 255, .12);
            border: 1px solid rgba(255, 255, 255, .24);
            border-radius: var(--radius-pill);
            padding: 6px 14px;
            font-size: .8rem;
            color: #fff;
            letter-spacing: .5px;
            margin-bottom: 18px;
        }
        .cat-hero h1 {
            color: #fff;
            font-weight: 900;
            font-size: clamp(2rem, 3.8vw, 3rem);
            margin-bottom: 14px;
            letter-spacing: 1px;
        }
        .cat-hero .lead {
            color: rgba(255, 255, 255, .85);
            max-width: 34em;
            font-size: 1rem;
            line-height: 1.9;
            margin-bottom: 0;
        }
        .lead .highlight {
            color: var(--accent);
            font-weight: 600;
        }

        /* ---------- Section base ---------- */
        .section-pad {
            padding: 64px 0;
        }
        .with-tint {
            background: var(--primary-tint);
        }
        .section-alt {
            background: var(--surface);
        }
        .section-head {
            margin-bottom: 40px;
        }
        .section-head h2 {
            font-size: clamp(1.5rem, 2.5vw, 2.25rem);
            font-weight: 900;
            margin-bottom: 8px;
        }
        .section-head p {
            color: var(--muted);
            max-width: 640px;
            font-size: .925rem;
            margin-bottom: 0;
        }

        /* ---------- Intro cards ---------- */
        .cat-intro-card-lead {
            background: var(--surface);
            border: 1px solid var(--border);
            border-left: 4px solid var(--accent);
            border-radius: var(--radius-card);
            padding: 34px;
            height: 100%;
            transition: box-shadow .25s;
        }
        .cat-intro-card-lead:hover {
            box-shadow: var(--shadow-md);
        }
        .cat-intro-card-lead h3 {
            font-size: 1.3rem;
            font-weight: 800;
            margin-bottom: 14px;
        }
        .cat-intro-card-lead p {
            color: var(--body);
            font-size: .95rem;
            margin-bottom: 0;
        }
        .cat-intro-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 26px;
            transition: box-shadow .25s, transform .25s;
            height: 100%;
        }
        .cat-intro-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
        }
        .cat-intro-card .icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: var(--primary-tint);
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 1.15rem;
            margin-bottom: 14px;
        }
        .cat-intro-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .cat-intro-card p {
            color: var(--muted);
            font-size: .875rem;
            margin-bottom: 0;
            line-height: 1.7;
        }

        /* ---------- Timeline ---------- */
        .login-timeline {
            position: relative;
            padding-left: 76px;
            margin-top: 32px;
            max-width: 880px;
        }
        .login-timeline::before {
            content: '';
            position: absolute;
            left: 24px;
            top: 6px;
            bottom: 6px;
            width: 3px;
            border-radius: 2px;
            background: linear-gradient(180deg, var(--accent), var(--primary));
            opacity: .45;
        }
        .timeline-item {
            position: relative;
            padding: 0 0 38px 0;
        }
        .timeline-item:last-child {
            padding-bottom: 4px;
        }
        .timeline-item::before {
            content: '';
            position: absolute;
            left: 14px;
            top: 10px;
            width: 18px;
            height: 18px;
            border-radius: 50%;
            background: var(--surface);
            border: 4px solid var(--accent);
            z-index: 2;
            box-shadow: 0 0 0 4px rgba(232, 163, 61, .18);
        }
        .timeline-item:not(:last-child)::after {
            content: '';
            position: absolute;
            left: 25px;
            top: 30px;
            bottom: -6px;
            width: 2px;
            background: var(--border);
        }
        .timeline-num {
            position: absolute;
            left: 0;
            top: 2px;
            width: 56px;
            text-align: right;
            font-family: 'Barlow Condensed', 'Oswald', 'Arial Narrow', sans-serif;
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--accent-strong);
            line-height: 1;
            letter-spacing: 1px;
        }
        .timeline-content {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 24px 28px;
            transition: box-shadow .25s, border-color .25s;
        }
        .timeline-content:hover {
            border-color: var(--accent);
            box-shadow: var(--shadow-md);
        }
        .timeline-content h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--ink);
        }
        .timeline-content p {
            margin-bottom: 0;
            color: var(--body);
            font-size: .9rem;
            line-height: 1.8;
        }

        /* ---------- Resource cards ---------- */
        .resource-grid .card {
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            overflow: hidden;
            height: 100%;
            background: var(--surface);
            transition: transform .25s, box-shadow .25s, border-color .25s;
        }
        .resource-grid .card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
            border-color: var(--accent);
        }
        .card-cover {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 9;
            background: var(--primary-tint);
        }
        .card-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .25s;
        }
        .resource-grid .card:hover .card-cover img {
            transform: scale(1.04);
        }
        .card-body-custom {
            padding: 22px;
        }
        .badge-cat {
            display: inline-flex;
            background: var(--accent-tint);
            color: var(--primary);
            font-size: .75rem;
            font-weight: 700;
            padding: 4px 12px;
            border-radius: var(--radius-pill);
            margin-bottom: 14px;
        }
        .card-body-custom h3 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 8px;
            line-height: 1.45;
        }
        .card-body-custom h3 a {
            color: var(--ink);
            transition: color .2s;
        }
        .card-body-custom h3 a:hover {
            color: var(--primary);
        }
        .card-body-custom p {
            font-size: .875rem;
            color: var(--muted);
            margin-bottom: 0;
            line-height: 1.7;
        }

        /* ---------- FAQ ---------- */
        .faq-accordion .accordion-item {
            border: 1px solid var(--border);
            border-radius: 12px;
            margin-bottom: 12px;
            overflow: hidden;
            background: var(--surface);
            box-shadow: var(--shadow-sm);
        }
        .faq-accordion .accordion-item:has(.accordion-button:not(.collapsed)) {
            border-color: var(--accent);
        }
        .faq-accordion .accordion-button {
            background: var(--surface);
            color: var(--ink);
            font-weight: 600;
            font-size: .95rem;
            padding: 18px 22px;
            box-shadow: none;
            border: none;
            transition: color .2s, background .2s;
        }
        .faq-accordion .accordion-button:hover {
            background: var(--primary-tint);
            color: var(--primary);
        }
        .faq-accordion .accordion-button:not(.collapsed) {
            color: var(--primary);
            background: var(--surface);
            border-bottom: 1px solid var(--border);
        }
        .faq-accordion .accordion-button::after {
            background-image: none;
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            content: '\2b';
            color: var(--accent);
            font-size: 1.1rem;
            width: auto;
            height: auto;
            transition: transform .3s ease;
        }
        .faq-accordion .accordion-button:not(.collapsed)::after {
            transform: rotate(45deg);
            content: '\2b';
        }
        .faq-accordion .accordion-body {
            color: var(--body);
            font-size: .9rem;
            line-height: 1.8;
            padding: 18px 22px;
            background: var(--surface);
        }

        /* ---------- CTA ---------- */
        .cta-band {
            position: relative;
            background-color: var(--primary-dark);
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            background-blend-mode: overlay;
            padding: 72px 0;
            text-align: center;
            overflow: hidden;
        }
        .cta-band::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(115deg, rgba(7, 42, 32, .93), rgba(10, 61, 46, .66));
        }
        .cta-band::after {
            content: '';
            position: absolute;
            inset: 0;
            opacity: .04;
            background-image: repeating-linear-gradient(45deg, #fff 0, #fff 1px, transparent 1px, transparent 12px);
            pointer-events: none;
        }
        .cta-band .container {
            position: relative;
            z-index: 2;
        }
        .cta-band h2 {
            color: #fff;
            font-weight: 900;
            font-size: clamp(1.5rem, 2.8vw, 2.2rem);
            margin-bottom: 12px;
        }
        .cta-band p {
            color: rgba(255, 255, 255, .8);
            max-width: 520px;
            margin: 0 auto 28px;
            font-size: .95rem;
            line-height: 1.8;
        }
        .cta-actions {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }
        .btn-cta-accent {
            background: var(--accent);
            color: var(--ink);
            font-weight: 700;
            font-size: .95rem;
            padding: 14px 30px;
            border-radius: var(--radius-btn);
            border: none;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: all .25s;
        }
        .btn-cta-accent:hover {
            background: var(--accent-strong);
            color: var(--ink);
            transform: translateY(-2px);
            box-shadow: var(--shadow-lg);
        }
        .btn-cta-outline {
            background: transparent;
            border: 1px solid rgba(255, 255, 255, .5);
            color: #fff;
            font-weight: 600;
            font-size: .95rem;
            padding: 14px 30px;
            border-radius: var(--radius-btn);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: all .25s;
        }
        .btn-cta-outline:hover {
            background: rgba(255, 255, 255, .12);
            color: #fff;
            border-color: #fff;
        }
        .cta-hint {
            margin-top: 16px;
            font-size: .8rem;
            color: rgba(255, 255, 255, .55);
        }

        /* ---------- Footer ---------- */
        .site-footer {
            background: var(--primary-deeper);
            color: rgba(255, 255, 255, .75);
            border-top: 3px solid var(--accent);
        }
        .footer-main {
            display: grid;
            grid-template-columns: 2.2fr 1fr 1fr 1.6fr;
            gap: 40px;
            padding: 52px 0 40px;
        }
        .footer-brand .brand-badge {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            font-size: .95rem;
        }
        .footer-brand .brand-name {
            color: #fff;
            margin-left: 10px;
        }
        .footer-brand .brand-name small {
            color: rgba(255, 255, 255, .55);
        }
        .footer-brand p {
            margin: 16px 0 0;
            color: rgba(255, 255, 255, .6);
            font-size: .875rem;
            line-height: 1.8;
            max-width: 340px;
        }
        .footer-col h5 {
            color: #fff;
            font-size: .9rem;
            font-weight: 700;
            margin-bottom: 16px;
            font-family: 'Noto Sans SC', sans-serif;
        }
        .footer-col ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul a {
            color: rgba(255, 255, 255, .75);
            font-size: .875rem;
            transition: color .2s;
        }
        .footer-col ul a:hover {
            color: var(--accent);
        }
        .footer-security p {
            font-size: .85rem;
            margin-bottom: 12px;
            display: flex;
            gap: 8px;
            align-items: flex-start;
            color: rgba(255, 255, 255, .65);
            line-height: 1.65;
        }
        .footer-security i {
            color: var(--accent);
            margin-top: 4px;
            width: 18px;
            text-align: center;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .08);
            padding: 18px 0;
            text-align: center;
            font-size: .875rem;
            color: rgba(255, 255, 255, .55);
        }

        /* ---------- Responsive ---------- */
        @media (max-width: 1199.98px) {
            .header-row {
                gap: 16px;
            }
            .brand-box {
                min-width: 170px;
            }
            .search-box {
                width: 420px;
            }
        }
        @media (max-width: 991.98px) {
            .section-pad {
                padding: 48px 0;
            }
            .header-row {
                flex-wrap: wrap;
            }
            .search-wrap {
                order: 3;
                flex-basis: 100%;
            }
            .search-box {
                width: 100%;
            }
            .brand-box {
                min-width: 0;
            }
            .cat-nav-inner {
                justify-content: flex-start;
                overflow-x: auto;
                padding: 0 8px;
            }
            .cat-nav-inner .nav-link {
                white-space: nowrap;
            }
            .footer-main {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .cat-hero {
                min-height: 320px;
            }
        }
        @media (max-width: 767.98px) {
            .section-pad {
                padding: 36px 0;
            }
            .section-head {
                margin-bottom: 28px;
            }
            .cat-hero {
                min-height: 280px;
                padding: 44px 0;
            }
            .cat-hero h1 {
                font-size: clamp(1.6rem, 6vw, 2rem);
            }
            .cat-hero .lead {
                font-size: .9rem;
            }
            .header-actions .btn-cat-toggle span {
                display: none;
            }
            .btn-cat-toggle {
                padding: 0 12px;
            }
            .btn-login-header {
                padding: 0 16px;
                font-size: .82rem;
            }
            .search-shortcut {
                display: none;
            }
            .login-timeline {
                padding-left: 52px;
            }
            .login-timeline::before {
                left: 15px;
            }
            .timeline-item::before {
                left: 5px;
                width: 16px;
                height: 16px;
            }
            .timeline-num {
                width: 40px;
                font-size: 1.2rem;
            }
            .timeline-content {
                padding: 18px 20px;
            }
            .cat-intro-card-lead {
                padding: 24px;
            }
            .cat-intro-card {
                padding: 20px;
            }
            .cta-band {
                padding: 52px 0;
            }
            .cta-actions {
                flex-direction: column;
                align-items: center;
            }
            .cta-actions .btn {
                width: 100%;
                max-width: 280px;
                justify-content: center;
            }
            .footer-main {
                grid-template-columns: 1fr;
                gap: 24px;
                padding: 40px 0 28px;
            }
        }
        @media (max-width: 575.98px) {
            .brand-name {
                font-size: .95rem;
            }
            .brand-badge {
                width: 36px;
                height: 36px;
                border-radius: 10px;
                font-size: .9rem;
            }
            .btn-login-header span {
                display: none;
            }
            .btn-login-header {
                padding: 0 14px;
            }
            .hero-eyebrow {
                font-size: .75rem;
                padding: 5px 12px;
            }
        }

/* roulang page: category2 */
:root {
            --primary: #0E6B4C;
            --primary-dark: #0A3D2E;
            --primary-deeper: #072A20;
            --primary-tint: #E8F1EC;
            --accent: #E5A343;
            --accent-strong: #D4881F;
            --accent-tint: #FBF1DF;
            --bg: #F7F4EC;
            --surface: #FFFFFF;
            --ink: #1B2A24;
            --body: #46544E;
            --muted: #7C8983;
            --border: #E4DED2;
            --radius: 14px;
            --shadow-sm: 0 1px 2px rgba(10,45,35,.05);
            --shadow-md: 0 6px 20px rgba(10,45,35,.08);
            --shadow-lg: 0 16px 40px rgba(10,45,35,.12);
            --font-serif: "Noto Serif SC","Source Han Serif SC","Songti SC",serif;
            --font-sans: "Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-sans);
            background: var(--bg);
            color: var(--body);
            font-size: 1rem;
            line-height: 1.8;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }

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

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

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

        .container {
            max-width: 1200px;
        }

        /* ===== Header ===== */
        .main-header {
            position: sticky;
            top: 0;
            z-index: 1030;
            background: var(--surface);
            border-bottom: 1px solid var(--border);
        }

        .main-header.scrolled {
            box-shadow: var(--shadow-md);
        }

        .header-row {
            display: flex;
            align-items: center;
            gap: 1.25rem;
            min-height: 72px;
            padding: 0.75rem 0;
        }

        .brand-box {
            flex-shrink: 0;
        }

        .brand-badge {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 42px;
            height: 42px;
            border-radius: 12px;
            background: var(--primary);
            color: #fff;
            font-weight: 800;
            font-size: 0.875rem;
            letter-spacing: 0.5px;
            font-family: var(--font-serif);
            flex-shrink: 0;
        }

        .brand-name {
            font-family: var(--font-serif);
            font-size: 1.15rem;
            font-weight: 900;
            color: var(--ink);
            line-height: 1.2;
            display: flex;
            flex-direction: column;
            margin-left: 0.65rem;
        }

        .brand-name small {
            font-family: var(--font-sans);
            font-size: 0.7rem;
            color: var(--muted);
            font-weight: 400;
            letter-spacing: 0.5px;
            margin-top: 1px;
        }

        .search-wrap {
            flex: 1;
            max-width: 520px;
            margin: 0 auto;
        }

        .search-box {
            display: flex;
            align-items: center;
            height: 48px;
            border: 1.5px solid var(--border);
            border-radius: 999px;
            background: #fff;
            padding: 0 1rem;
            gap: 0.5rem;
            transition: border-color .2s, box-shadow .2s;
        }

        .search-box:focus-within {
            border-color: var(--accent);
            box-shadow: 0 0 0 4px rgba(232,163,61,.18);
        }

        .search-box i {
            color: var(--accent);
            font-size: 0.9rem;
            flex-shrink: 0;
        }

        .search-box input.form-control {
            border: none;
            box-shadow: none;
            padding: 0;
            font-size: 0.9rem;
            color: var(--ink);
            background: transparent;
        }

        .search-box input.form-control::placeholder {
            color: var(--muted);
        }

        .search-shortcut {
            font-size: 0.75rem;
            color: var(--muted);
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: 6px;
            padding: 0 8px;
            flex-shrink: 0;
            font-family: var(--font-serif);
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 0.65rem;
            flex-shrink: 0;
        }

        .btn-cat-toggle {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            background: var(--primary-tint);
            border: none;
            border-radius: 10px;
            padding: 0.55rem 0.9rem;
            font-size: 0.875rem;
            font-weight: 600;
            color: var(--primary);
            transition: background .2s;
        }

        .btn-cat-toggle:hover {
            background: #d8e7df;
        }

        .btn-login-header {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            height: 44px;
            padding: 0 1.25rem;
            background: var(--accent);
            border-radius: 999px;
            font-size: 0.875rem;
            font-weight: 700;
            color: var(--ink);
            transition: background .2s, transform .2s, box-shadow .2s;
        }

        .btn-login-header:hover {
            background: var(--accent-strong);
            color: var(--ink);
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }

        /* Category Nav */
        .cat-nav {
            border-top: 1px solid var(--border);
            background: var(--surface);
        }

        .cat-nav-inner {
            display: flex;
            list-style: none;
            margin: 0;
            padding: 0;
            gap: 0.25rem;
            overflow-x: auto;
            scrollbar-width: none;
        }

        .cat-nav-inner::-webkit-scrollbar {
            display: none;
        }

        .cat-nav-inner .nav-item {
            position: relative;
            flex-shrink: 0;
        }

        .cat-nav-inner .nav-link {
            display: block;
            padding: 0.75rem 1rem 0.85rem;
            font-size: 0.875rem;
            font-weight: 500;
            color: var(--body);
            transition: color .2s, background .2s;
            border-radius: 8px 8px 0 0;
            position: relative;
        }

        .cat-nav-inner .nav-link:hover {
            color: var(--primary);
            background: var(--primary-tint);
        }

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

        .cat-nav-inner .nav-link.active::after {
            content: '';
            position: absolute;
            left: 1rem;
            right: 1rem;
            bottom: 0;
            height: 3px;
            border-radius: 3px 3px 0 0;
            background: var(--accent);
        }

        .cat-nav-inner .nav-link.active::before {
            content: '';
            position: absolute;
            left: 50%;
            transform: translateX(-50%);
            bottom: -1px;
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--accent);
        }

        /* ===== Page Banner ===== */
        .page-banner {
            position: relative;
            background: linear-gradient(100deg, rgba(7,42,32,.92) 0%, rgba(10,61,46,.72) 60%, rgba(10,61,46,.3) 100%), url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            padding: 80px 0 64px;
            min-height: 320px;
            display: flex;
            align-items: center;
        }

        .page-banner .eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.35rem 1rem;
            background: rgba(255,255,255,.12);
            border: 1px solid rgba(255,255,255,.25);
            border-radius: 999px;
            color: rgba(255,255,255,.9);
            font-size: 0.78rem;
            font-weight: 600;
            letter-spacing: 1px;
            text-transform: uppercase;
            margin-bottom: 1rem;
        }

        .page-banner h1 {
            font-family: var(--font-serif);
            font-size: clamp(2rem, 4vw, 3rem);
            font-weight: 900;
            color: #fff;
            margin-bottom: 0.75rem;
            line-height: 1.25;
        }

        .page-banner .banner-sub {
            color: rgba(255,255,255,.85);
            font-size: 1.05rem;
            max-width: 560px;
            line-height: 1.8;
            margin-bottom: 1rem;
        }

        .breadcrumb-nav {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.85rem;
            color: rgba(255,255,255,.65);
        }

        .breadcrumb-nav a {
            color: rgba(255,255,255,.85);
            text-decoration: none;
        }

        .breadcrumb-nav a:hover {
            color: var(--accent);
        }

        .breadcrumb-nav .sep {
            color: rgba(255,255,255,.35);
        }

        .breadcrumb-nav .current {
            color: var(--accent);
        }

        /* ===== Section Common ===== */
        .section-block {
            padding: 72px 0;
        }

        .section-block-light {
            background: var(--surface);
        }

        .section-block-tint {
            background: rgba(232,241,236,.45);
        }

        .section-title-wrap {
            margin-bottom: 2.5rem;
        }

        .section-title-wrap .section-label {
            display: inline-block;
            font-size: 0.78rem;
            font-weight: 700;
            letter-spacing: 1.5px;
            text-transform: uppercase;
            color: var(--accent-strong);
            margin-bottom: 0.6rem;
        }

        .section-title-wrap h2 {
            font-family: var(--font-serif);
            font-size: clamp(1.5rem, 2.5vw, 2.25rem);
            font-weight: 800;
            color: var(--ink);
            line-height: 1.3;
            margin-bottom: 0.5rem;
        }

        .section-title-wrap .section-desc {
            color: var(--muted);
            max-width: 620px;
            font-size: 0.95rem;
        }

        /* ===== Overview Cards ===== */
        .overview-card {
            height: 100%;
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 2rem;
            transition: transform .25s, box-shadow .25s, border-color .25s;
            position: relative;
            overflow: hidden;
        }

        .overview-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
            border-color: var(--accent);
        }

        .overview-card .card-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: var(--primary-tint);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            margin-bottom: 1.25rem;
        }

        .overview-card h3 {
            font-family: var(--font-serif);
            font-size: 1.25rem;
            font-weight: 800;
            color: var(--ink);
            margin-bottom: 0.6rem;
        }

        .overview-card p {
            color: var(--body);
            font-size: 0.925rem;
            line-height: 1.75;
            margin: 0;
        }

        .overview-card .card-tag {
            position: absolute;
            top: 1.25rem;
            right: 1.25rem;
            font-size: 0.75rem;
            font-weight: 700;
            color: var(--accent-strong);
            background: var(--accent-tint);
            border-radius: 999px;
            padding: 0.2rem 0.7rem;
        }

        /* ===== Steps Timeline ===== */
        .steps-wrap {
            position: relative;
            padding-left: 1.5rem;
        }

        .steps-wrap::before {
            content: '';
            position: absolute;
            left: 0;
            top: 0;
            bottom: 0;
            width: 3px;
            background: linear-gradient(to bottom, var(--accent), var(--primary));
            border-radius: 3px;
        }

        .step-item {
            position: relative;
            padding: 0 0 2.25rem 2.5rem;
        }

        .step-item:last-child {
            padding-bottom: 0;
        }

        .step-item::before {
            content: '';
            position: absolute;
            left: -1.5rem;
            top: 0.5rem;
            width: 16px;
            height: 16px;
            border-radius: 50%;
            background: var(--surface);
            border: 3px solid var(--accent);
            box-shadow: 0 0 0 4px rgba(229,163,67,.2);
        }

        .step-number {
            font-family: var(--font-serif);
            font-size: 0.8rem;
            font-weight: 800;
            letter-spacing: 1px;
            color: var(--accent-strong);
            margin-bottom: 0.35rem;
            display: block;
        }

        .step-item h3 {
            font-family: var(--font-serif);
            font-size: 1.25rem;
            font-weight: 800;
            color: var(--ink);
            margin-bottom: 0.5rem;
        }

        .step-item p {
            color: var(--body);
            font-size: 0.94rem;
            line-height: 1.75;
            max-width: 640px;
            margin: 0;
        }

        /* ===== Resource Cards ===== */
        .resource-card {
            height: 100%;
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            overflow: hidden;
            transition: transform .25s, box-shadow .25s, border-color .25s;
            display: flex;
            flex-direction: column;
        }

        .resource-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
            border-color: var(--accent);
        }

        .resource-card .cover-wrap {
            position: relative;
            aspect-ratio: 16/9;
            overflow: hidden;
            background: var(--primary-tint);
        }

        .resource-card .cover-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .4s ease;
        }

        .resource-card:hover .cover-wrap img {
            transform: scale(1.04);
        }

        .resource-card .card-body {
            padding: 1.5rem;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .resource-card .card-body .card-cat {
            font-size: 0.75rem;
            font-weight: 700;
            color: var(--primary);
            background: var(--primary-tint);
            padding: 0.2rem 0.7rem;
            border-radius: 999px;
            display: inline-block;
            width: fit-content;
            margin-bottom: 0.75rem;
        }

        .resource-card .card-body h3 {
            font-family: var(--font-serif);
            font-size: 1.2rem;
            font-weight: 800;
            color: var(--ink);
            margin-bottom: 0.5rem;
            line-height: 1.4;
        }

        .resource-card .card-body p {
            color: var(--muted);
            font-size: 0.875rem;
            line-height: 1.65;
            flex: 1;
            margin-bottom: 1rem;
        }

        .resource-card .card-body .read-more {
            font-size: 0.85rem;
            font-weight: 700;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 0.35rem;
            transition: gap .2s, color .2s;
        }

        .resource-card .card-body .read-more:hover {
            gap: 0.6rem;
            color: var(--accent-strong);
        }

        /* ===== FAQ ===== */
        .faq-panel .accordion-item {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: 12px;
            margin-bottom: 12px;
            overflow: hidden;
            transition: border-color .25s, box-shadow .25s;
        }

        .faq-panel .accordion-item:last-child {
            margin-bottom: 0;
        }

        .faq-panel .accordion-item[data-state="open"] {
            border-color: var(--accent);
            box-shadow: var(--shadow-sm);
        }

        .faq-panel .accordion-button {
            background: var(--surface);
            color: var(--ink);
            font-weight: 700;
            font-size: 1rem;
            padding: 1.15rem 1.5rem;
            box-shadow: none;
            position: relative;
            transition: color .2s, background .2s;
        }

        .faq-panel .accordion-button:hover {
            background: var(--bg);
        }

        .faq-panel .accordion-button:not(.collapsed) {
            background: var(--surface);
            color: var(--primary);
        }

        .faq-panel .accordion-button:focus {
            box-shadow: none;
            border-color: var(--accent);
        }

        .faq-panel .accordion-button::after {
            content: '+';
            background-image: none;
            font-size: 1.5rem;
            font-weight: 400;
            color: var(--accent);
            width: 24px;
            height: 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: transform .3s ease;
            font-family: var(--font-sans);
        }

        .faq-panel .accordion-button:not(.collapsed)::after {
            transform: rotate(45deg);
            background-image: none;
        }

        .faq-panel .accordion-body {
            padding: 0 1.5rem 1.25rem;
            color: var(--body);
            font-size: 0.925rem;
            line-height: 1.75;
            border-left: 3px solid var(--primary);
            margin: 0 1.5rem 0;
            border-radius: 0 0 4px 4px;
        }

        /* ===== CTA Band ===== */
        .cta-band {
            position: relative;
            background: linear-gradient(135deg, rgba(7,42,32,.95), rgba(10,61,46,.85)), url('/assets/images/backpic/back-3.png') center/cover no-repeat;
            padding: 72px 0;
            text-align: center;
            overflow: hidden;
        }

        .cta-band::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: linear-gradient(45deg, rgba(255,255,255,.03) 25%, transparent 25%, transparent 75%, rgba(255,255,255,.03) 75%);
            background-size: 24px 24px;
            pointer-events: none;
        }

        .cta-band .cta-inner {
            position: relative;
            z-index: 1;
        }

        .cta-band h2 {
            font-family: var(--font-serif);
            font-size: clamp(1.75rem, 3vw, 2.5rem);
            font-weight: 900;
            color: #fff;
            margin-bottom: 1rem;
            line-height: 1.3;
        }

        .cta-band .cta-desc {
            color: rgba(255,255,255,.85);
            font-size: 1.05rem;
            max-width: 520px;
            margin: 0 auto 2rem;
            line-height: 1.7;
        }

        .cta-band .btn-cta-primary {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            height: 46px;
            padding: 0 1.75rem;
            background: var(--accent);
            border: none;
            border-radius: 999px;
            font-size: 0.925rem;
            font-weight: 700;
            color: var(--ink);
            margin: 0 0.4rem 0.75rem;
            transition: background .2s, transform .2s, box-shadow .2s;
        }

        .cta-band .btn-cta-primary:hover {
            background: var(--accent-strong);
            color: var(--ink);
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }

        .cta-band .btn-cta-ghost {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            height: 46px;
            padding: 0 1.75rem;
            background: rgba(255,255,255,.08);
            border: 1px solid rgba(255,255,255,.35);
            border-radius: 999px;
            font-size: 0.925rem;
            font-weight: 600;
            color: #fff;
            margin: 0 0.4rem 0.75rem;
            transition: background .2s, border-color .2s, transform .2s;
        }

        .cta-band .btn-cta-ghost:hover {
            background: rgba(255,255,255,.15);
            border-color: rgba(255,255,255,.6);
            color: #fff;
            transform: translateY(-2px);
        }

        .cta-band .shortcut-tip {
            color: rgba(255,255,255,.55);
            font-size: 0.8rem;
            margin-top: 0.75rem;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--primary-deeper);
            border-top: 3px solid var(--accent);
            color: rgba(255,255,255,.7);
        }

        .footer-main {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.2fr;
            gap: 2.5rem;
            padding: 56px 0 40px;
        }

        .footer-brand .brand-badge {
            background: var(--accent);
            color: var(--ink);
        }

        .footer-brand .brand-name {
            color: #fff;
        }

        .footer-brand .brand-name small {
            color: rgba(255,255,255,.55);
        }

        .footer-brand p {
            color: rgba(255,255,255,.65);
            font-size: 0.9rem;
            line-height: 1.75;
            margin: 1rem 0 0;
            max-width: 320px;
        }

        .footer-col h5 {
            color: #fff;
            font-family: var(--font-serif);
            font-size: 1rem;
            font-weight: 800;
            margin-bottom: 1rem;
            letter-spacing: 0.5px;
        }

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

        .footer-col ul li {
            margin-bottom: 0.55rem;
        }

        .footer-col ul li a {
            color: rgba(255,255,255,.7);
            font-size: 0.875rem;
            transition: color .2s, padding-left .2s;
        }

        .footer-col ul li a:hover {
            color: var(--accent);
            padding-left: 4px;
        }

        .footer-security {
            display: flex;
            flex-direction: column;
            gap: 0.6rem;
        }

        .footer-security p {
            font-size: 0.83rem;
            color: rgba(255,255,255,.65);
            line-height: 1.5;
            display: flex;
            align-items: flex-start;
            gap: 0.5rem;
            margin: 0;
        }

        .footer-security p i {
            color: var(--accent);
            font-size: 0.9rem;
            margin-top: 3px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,.1);
            padding: 1.25rem 0;
            text-align: center;
        }

        .footer-bottom p {
            color: rgba(255,255,255,.45);
            font-size: 0.85rem;
        }

        /* ===== Buttons focus ===== */
        .btn:focus-visible,
        .btn-login-header:focus-visible,
        .btn-cta-primary:focus-visible,
        .btn-cta-ghost:focus-visible {
            outline: none;
            box-shadow: 0 0 0 3px rgba(232,163,61,.4);
        }

        /* ===== Responsive ===== */
        @media (max-width: 991.98px) {
            .header-row {
                flex-wrap: wrap;
                gap: 0.75rem;
            }
            .search-wrap {
                order: 3;
                max-width: 100%;
                flex-basis: 100%;
                margin: 0;
            }
            .search-box {
                width: 100%;
            }
            .overview-card {
                padding: 1.5rem;
            }
            .footer-main {
                grid-template-columns: 1fr 1fr;
                gap: 2rem;
            }
        }

        @media (max-width: 767.98px) {
            .section-block {
                padding: 48px 0;
            }
            .page-banner {
                padding: 56px 0 40px;
                min-height: 280px;
            }
            .header-row {
                min-height: 64px;
            }
            .brand-badge {
                width: 36px;
                height: 36px;
                font-size: 0.75rem;
                border-radius: 10px;
            }
            .brand-name {
                font-size: 1rem;
            }
            .brand-name small {
                display: none;
            }
            .btn-cat-toggle span {
                display: none;
            }
            .btn-cat-toggle {
                padding: 0.5rem 0.75rem;
            }
            .btn-login-header {
                height: 40px;
                padding: 0 1rem;
                font-size: 0.8rem;
            }
            .footer-main {
                grid-template-columns: 1fr;
                gap: 1.5rem;
                padding: 40px 0 24px;
            }
            .steps-wrap {
                padding-left: 1rem;
            }
            .step-item {
                padding-left: 1.75rem;
            }
            .step-item::before {
                left: -1rem;
                width: 14px;
                height: 14px;
            }
            .cta-band .btn-cta-primary,
            .cta-band .btn-cta-ghost {
                width: 100%;
                justify-content: center;
                margin: 0.3rem 0;
            }
            .overview-card {
                padding: 1.25rem;
            }
        }

        @media (max-width: 575.98px) {
            .section-block {
                padding: 36px 0;
            }
            .cat-nav-inner .nav-link {
                padding: 0.65rem 0.85rem 0.75rem;
                font-size: 0.82rem;
            }
            .section-title-wrap {
                margin-bottom: 1.5rem;
            }
        }

/* roulang page: category3 */
:root {
            --primary: #0E6B4C;
            --primary-dark: #0A3D2E;
            --primary-deeper: #072A20;
            --primary-tint: #E8F1EC;
            --accent: #E5A343;
            --accent-strong: #D4881F;
            --accent-tint: #FBF1DF;
            --bg: #F7F4EC;
            --surface: #FFFFFF;
            --ink: #1B2A24;
            --body: #46544E;
            --muted: #7C8983;
            --border: #E4DED2;
            --rad-card: 14px;
            --rad-btn: 10px;
            --shadow-sm: 0 1px 2px rgba(10, 45, 35, .05);
            --shadow-md: 0 6px 20px rgba(10, 45, 35, .08);
            --shadow-lg: 0 16px 40px rgba(10, 45, 35, .12);
        }

        * {
            box-sizing: border-box;
        }

        body {
            margin: 0;
            font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
            background: var(--bg);
            color: var(--body);
            line-height: 1.8;
            font-size: 16px;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-family: "Noto Serif SC", "Source Han Serif SC", "Songti SC", serif;
            color: var(--ink);
            font-weight: 800;
            line-height: 1.35;
        }

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

        a:hover {
            color: inherit;
        }

        img {
            max-width: 100%;
        }

        .container {
            max-width: 1200px;
        }

        /* ===== Header ===== */
        .main-header {
            position: sticky;
            top: 0;
            z-index: 1030;
            background: var(--surface);
            border-bottom: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
        }

        .header-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            padding: 14px 0;
        }

        .brand-box {
            flex-shrink: 0;
        }

        .brand-badge {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 42px;
            height: 42px;
            background: var(--primary);
            color: #fff;
            font-weight: 800;
            border-radius: 12px;
            font-size: 15px;
            letter-spacing: .5px;
            font-family: "Barlow Condensed", "Oswald", "Arial Narrow", sans-serif;
            flex-shrink: 0;
        }

        .brand-name {
            display: block;
            font-family: "Noto Serif SC", "Songti SC", serif;
            font-weight: 900;
            font-size: 18px;
            color: var(--ink);
            line-height: 1.25;
        }

        .brand-name small {
            display: block;
            font-family: "Noto Sans SC", "PingFang SC", sans-serif;
            font-size: 11px;
            font-weight: 500;
            color: var(--muted);
            letter-spacing: .5px;
        }

        .search-wrap {
            flex: 1;
            max-width: 560px;
            margin: 0 auto;
        }

        .search-box {
            display: flex;
            align-items: center;
            background: var(--surface);
            border: 1.5px solid var(--border);
            border-radius: 999px;
            height: 48px;
            padding: 0 6px 0 18px;
            transition: border-color .22s, box-shadow .22s;
        }

        .search-box:focus-within {
            border-color: var(--accent);
            box-shadow: 0 0 0 4px rgba(232, 163, 61, .18);
        }

        .search-box>i {
            color: var(--accent);
            font-size: 16px;
            margin-right: 10px;
        }

        .search-box input {
            height: 44px;
            background: transparent;
            border: none;
            outline: none;
            font-size: 15px;
            color: var(--ink);
            flex: 1;
        }

        .search-box input::placeholder {
            color: var(--muted);
        }

        .search-shortcut {
            width: 28px;
            height: 28px;
            border-radius: 8px;
            background: var(--primary-tint);
            color: var(--primary);
            font-size: 13px;
            font-weight: 700;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .btn-cat-toggle {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            height: 42px;
            padding: 0 16px;
            border: 1px solid var(--border);
            background: var(--surface);
            border-radius: 10px;
            color: var(--ink);
            font-weight: 600;
            font-size: 14px;
            transition: all .2s;
        }

        .btn-cat-toggle:hover {
            background: var(--primary-tint);
            border-color: var(--primary);
        }

        .btn-login-header {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            height: 42px;
            padding: 0 20px;
            background: var(--accent);
            border-radius: 10px;
            color: var(--ink);
            font-weight: 700;
            font-size: 14px;
            border: none;
            transition: all .25s;
        }

        .btn-login-header:hover {
            background: var(--accent-strong);
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
            color: var(--ink);
        }

        .cat-nav {
            border-top: 1px solid var(--border);
            background: var(--surface);
        }

        .cat-nav-inner {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
            margin: 0;
            padding: 0;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
        }

        .cat-nav-inner::-webkit-scrollbar {
            display: none;
        }

        .cat-nav-inner .nav-item {
            position: relative;
        }

        .cat-nav-inner .nav-link {
            display: inline-block;
            padding: 12px 18px;
            font-size: 15px;
            font-weight: 600;
            color: var(--body);
            border-bottom: 3px solid transparent;
            transition: color .2s, background .2s, border-color .2s;
            white-space: nowrap;
            position: relative;
        }

        .cat-nav-inner .nav-link:hover {
            color: var(--primary);
            background: var(--primary-tint);
        }

        .cat-nav-inner .nav-link.active {
            color: var(--primary);
            font-weight: 700;
            border-bottom-color: var(--accent);
        }

        .cat-nav-inner .nav-link.active::after {
            content: '';
            position: absolute;
            left: 50%;
            bottom: -3px;
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--accent);
            transform: translateX(-50%);
            z-index: 1;
        }

        /* ===== Page Banner ===== */
        .page-banner {
            position: relative;
            padding: 70px 0 62px;
            min-height: 340px;
            display: flex;
            align-items: center;
            background: linear-gradient(100deg, rgba(7, 42, 32, .94) 0%, rgba(10, 61, 46, .78) 55%, rgba(10, 61, 46, .3) 100%), url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            color: #fff;
        }

        .page-banner .breadcrumb {
            background: transparent;
            margin-bottom: 20px;
            --bs-breadcrumb-divider-color: rgba(255, 255, 255, .5);
        }

        .page-banner .breadcrumb-item a {
            color: rgba(255, 255, 255, .75);
            transition: color .2s;
        }

        .page-banner .breadcrumb-item a:hover {
            color: var(--accent);
        }

        .page-banner .breadcrumb-item.active {
            color: rgba(255, 255, 255, .92);
        }

        .banner-eyebrow {
            display: inline-flex;
            align-items: center;
            background: rgba(255, 255, 255, .12);
            border: 1px solid rgba(255, 255, 255, .22);
            border-radius: 999px;
            padding: 6px 16px;
            font-size: 12px;
            letter-spacing: 2px;
            text-transform: uppercase;
            color: rgba(255, 255, 255, .85);
            margin-bottom: 16px;
            gap: 8px;
        }

        .banner-eyebrow i {
            color: var(--accent);
        }

        .page-banner h1 {
            color: #fff;
            font-size: clamp(2rem, 4.5vw, 3rem);
            font-weight: 900;
            margin-bottom: 14px;
            letter-spacing: 2px;
        }

        .banner-sub {
            color: rgba(255, 255, 255, .85);
            font-size: 17px;
            max-width: 560px;
            margin-bottom: 0;
            line-height: 1.8;
        }

        /* ===== Section Common ===== */
        .section {
            padding: 64px 0;
        }

        .section-head {
            text-align: center;
            max-width: 680px;
            margin: 0 auto 44px;
        }

        .section-kicker {
            display: inline-block;
            font-size: 13px;
            font-weight: 700;
            color: var(--primary);
            background: var(--primary-tint);
            padding: 5px 16px;
            border-radius: 999px;
            letter-spacing: 1px;
            margin-bottom: 10px;
        }

        .section-head h2 {
            font-size: clamp(1.6rem, 2.5vw, 2.2rem);
            margin-bottom: 12px;
        }

        .section-head p {
            color: var(--muted);
            margin-bottom: 0;
            font-size: 15px;
        }

        /* ===== Feature Cards ===== */
        .feature-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--rad-card);
            padding: 32px;
            height: 100%;
            transition: transform .25s, box-shadow .25s, border-color .25s;
            position: relative;
            overflow: hidden;
        }

        .feature-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
            border-color: var(--accent);
        }

        .feature-card .card-icon {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 21px;
            margin-bottom: 18px;
            background: var(--primary-tint);
            color: var(--primary);
        }

        .feature-card h3 {
            font-size: 1.25rem;
            margin-bottom: 12px;
        }

        .feature-card p {
            color: var(--body);
            font-size: 15px;
            margin-bottom: 0;
            line-height: 1.8;
        }

        .feature-card-lg {
            background: linear-gradient(135deg, var(--primary-deeper), var(--primary-dark));
            border-color: transparent;
            color: rgba(255, 255, 255, .88);
        }

        .feature-card-lg .card-icon {
            background: rgba(255, 255, 255, .12);
            color: var(--accent);
        }

        .feature-card-lg h3 {
            color: #fff;
        }

        .feature-card-lg p {
            color: rgba(255, 255, 255, .78);
        }

        .feature-card-lg::after {
            content: '';
            position: absolute;
            right: -40px;
            bottom: -40px;
            width: 180px;
            height: 180px;
            border: 2px solid rgba(255, 255, 255, .06);
            border-radius: 50%;
        }

        .feature-card-lg::before {
            content: '';
            position: absolute;
            right: 20px;
            bottom: 20px;
            width: 100px;
            height: 100px;
            border: 2px solid rgba(229, 163, 67, .15);
            border-radius: 50%;
        }

        .feature-card-small .card-icon {
            width: 44px;
            height: 44px;
            font-size: 17px;
            border-radius: 12px;
            margin-bottom: 14px;
        }

        /* ===== Steps Timeline ===== */
        .steps-section {
            background: var(--surface);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }

        .timeline {
            position: relative;
            max-width: 820px;
            margin: 0 auto;
        }

        .timeline::before {
            content: '';
            position: absolute;
            left: 27px;
            top: 0;
            bottom: 0;
            width: 2px;
            background: linear-gradient(180deg, var(--primary), var(--accent));
            opacity: .25;
        }

        .timeline-item {
            position: relative;
            padding: 0 0 36px 80px;
        }

        .timeline-item:last-child {
            padding-bottom: 0;
        }

        .timeline-num {
            position: absolute;
            left: 0;
            top: 0;
            width: 54px;
            height: 54px;
            border-radius: 50%;
            background: var(--surface);
            border: 2px solid var(--primary);
            color: var(--primary);
            font-family: "Barlow Condensed", "Oswald", "Arial Narrow", sans-serif;
            font-size: 20px;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 0 0 5px var(--primary-tint);
        }

        .timeline-item:nth-child(2) .timeline-num {
            border-color: var(--accent);
            color: var(--accent-strong);
        }

        .timeline-item:nth-child(3) .timeline-num {
            border-color: var(--primary);
            color: var(--primary);
        }

        .timeline-item:nth-child(4) .timeline-num {
            border-color: var(--accent);
            color: var(--accent-strong);
        }

        .timeline-item h3 {
            font-size: 1.2rem;
            margin-bottom: 6px;
        }

        .timeline-item p {
            color: var(--muted);
            margin-bottom: 0;
            font-size: 15px;
        }

        /* ===== Resource Cards ===== */
        .resource-section {
            background: var(--primary-tint);
        }

        .resource-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--rad-card);
            overflow: hidden;
            height: 100%;
            transition: transform .25s, box-shadow .25s, border-color .25s;
            display: flex;
            flex-direction: column;
        }

        .resource-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
            border-color: var(--accent);
        }

        .resource-card .cover-wrap {
            position: relative;
            height: 0;
            padding-bottom: 56.25%;
            overflow: hidden;
            background: var(--primary-tint);
        }

        .resource-card .cover-wrap img {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .35s;
        }

        .resource-card:hover .cover-wrap img {
            transform: scale(1.04);
        }

        .resource-card .badge-pos {
            position: absolute;
            top: 14px;
            left: 14px;
            z-index: 2;
        }

        .badge-soft {
            display: inline-block;
            background: var(--accent);
            color: var(--ink);
            font-size: 12px;
            font-weight: 700;
            padding: 4px 12px;
            border-radius: 999px;
            box-shadow: var(--shadow-sm);
        }

        .resource-card .card-body {
            padding: 20px 22px 22px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .resource-card h3 {
            font-size: 1.15rem;
            margin-bottom: 8px;
        }

        .resource-card h3 a {
            color: var(--ink);
            transition: color .2s;
        }

        .resource-card h3 a:hover {
            color: var(--primary);
        }

        .resource-card p {
            color: var(--muted);
            font-size: 14px;
            margin-bottom: 14px;
            flex: 1;
        }

        .resource-card .card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 14px;
            border-top: 1px solid var(--border);
        }

        .resource-card .card-meta .card-link {
            color: var(--primary);
            font-weight: 600;
            font-size: 14px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: gap .2s, color .2s;
        }

        .resource-card .card-meta .card-link:hover {
            gap: 10px;
            color: var(--accent-strong);
        }

        .resource-card .card-meta .meta-tag {
            font-size: 13px;
            color: var(--muted);
        }

        /* ===== FAQ Accordion ===== */
        .faq-section .accordion {
            max-width: 820px;
            margin: 0 auto;
        }

        .accordion-item {
            border: 1px solid var(--border);
            border-radius: 12px !important;
            margin-bottom: 12px;
            overflow: hidden;
            background: var(--surface);
        }

        .accordion-item:last-child {
            margin-bottom: 0;
        }

        .accordion-button {
            background: var(--surface);
            color: var(--ink);
            font-size: 16px;
            font-weight: 700;
            padding: 20px 24px;
            box-shadow: none !important;
            border: none;
            font-family: "Noto Sans SC", "PingFang SC", sans-serif;
            transition: background .2s, color .2s;
        }

        .accordion-button:not(.collapsed) {
            color: var(--primary);
            background: var(--primary-tint);
        }

        .accordion-button:focus {
            box-shadow: none !important;
        }

        .accordion-button::after {
            background-image: none;
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
            content: '\2b';
            color: var(--accent-strong);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 22px;
            height: 22px;
            font-size: 16px;
            transition: transform .25s;
        }

        .accordion-button:not(.collapsed)::after {
            transform: rotate(45deg);
        }

        .accordion-body {
            padding: 6px 24px 22px;
            color: var(--body);
            font-size: 15px;
            line-height: 1.9;
            border-left: 3px solid var(--primary);
            margin: 0 1px 1px 1px;
        }

        /* ===== CTA Band ===== */
        .cta-band {
            position: relative;
            background: linear-gradient(100deg, rgba(7, 42, 32, .93), rgba(10, 61, 46, .82)), url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            padding: 72px 0;
            text-align: center;
            color: #fff;
        }

        .cta-band::before {
            content: '';
            position: absolute;
            inset: 0;
            background: repeating-linear-gradient(45deg, rgba(255, 255, 255, .02) 0 2px, transparent 2px 12px);
        }

        .cta-band .container {
            position: relative;
            z-index: 1;
        }

        .cta-band h2 {
            color: #fff;
            font-size: clamp(1.8rem, 3vw, 2.4rem);
            margin-bottom: 14px;
        }

        .cta-band .cta-desc {
            color: rgba(255, 255, 255, .8);
            max-width: 560px;
            margin: 0 auto 28px;
            font-size: 15px;
        }

        .cta-actions {
            display: flex;
            justify-content: center;
            gap: 14px;
            flex-wrap: wrap;
            margin-bottom: 18px;
        }

        .btn-primary-custom {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            height: 48px;
            padding: 0 28px;
            background: var(--accent);
            color: var(--ink);
            font-weight: 700;
            font-size: 15px;
            border-radius: 10px;
            border: none;
            transition: all .25s;
        }

        .btn-primary-custom:hover {
            background: var(--accent-strong);
            color: var(--ink);
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }

        .btn-outline-light-custom {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            height: 48px;
            padding: 0 28px;
            background: transparent;
            color: #fff;
            font-weight: 600;
            font-size: 15px;
            border: 1px solid rgba(255, 255, 255, .45);
            border-radius: 10px;
            transition: all .25s;
        }

        .btn-outline-light-custom:hover {
            background: rgba(255, 255, 255, .12);
            color: #fff;
            transform: translateY(-2px);
            border-color: rgba(255, 255, 255, .7);
        }

        .cta-tip {
            font-size: 13px;
            color: rgba(255, 255, 255, .5);
            margin-top: 8px;
            margin-bottom: 0;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--primary-deeper);
            color: rgba(255, 255, 255, .7);
            border-top: 3px solid var(--accent);
        }

        .footer-main {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.4fr;
            gap: 40px;
            padding: 56px 0 44px;
        }

        .footer-brand .brand-name {
            color: #fff;
        }

        .footer-brand p {
            margin-top: 16px;
            font-size: 14px;
            color: rgba(255, 255, 255, .6);
            max-width: 320px;
            line-height: 1.8;
        }

        .footer-col h5 {
            color: #fff;
            font-size: 16px;
            margin-bottom: 18px;
            font-weight: 700;
        }

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

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

        .footer-col a {
            color: rgba(255, 255, 255, .65);
            font-size: 14px;
            transition: color .2s;
        }

        .footer-col a:hover {
            color: var(--accent);
        }

        .footer-security p {
            font-size: 14px;
            color: rgba(255, 255, 255, .6);
            margin-bottom: 10px;
        }

        .footer-security i {
            color: var(--accent);
            margin-right: 6px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .08);
            padding: 18px 0;
            text-align: center;
        }

        .footer-bottom p {
            font-size: 13px;
            color: rgba(255, 255, 255, .45);
        }

        /* ===== Responsive ===== */
        @media (max-width: 991.98px) {
            .header-row {
                flex-wrap: wrap;
                padding: 12px 0;
            }

            .search-wrap {
                order: 3;
                flex: 0 0 100%;
                max-width: none;
            }

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

            .section {
                padding: 48px 0;
            }
        }

        @media (max-width: 767.98px) {
            .page-banner {
                padding: 54px 0 46px;
                min-height: 300px;
            }

            .section {
                padding: 36px 0;
            }

            .section-head {
                margin-bottom: 30px;
            }

            .timeline-item {
                padding-left: 64px;
            }

            .timeline::before {
                left: 21px;
            }

            .timeline-num {
                width: 44px;
                height: 44px;
                font-size: 17px;
                box-shadow: 0 0 0 4px var(--primary-tint);
            }

            .timeline-item {
                padding-bottom: 28px;
            }

            .footer-main {
                grid-template-columns: 1fr;
                gap: 28px;
                padding: 40px 0 32px;
            }

            .cta-actions .btn {
                width: 100%;
                justify-content: center;
            }

            .cta-band {
                padding: 48px 0;
            }

            .feature-card {
                padding: 24px;
            }

            .header-row {
                gap: 12px;
            }

            .btn-cat-toggle {
                padding: 0 14px;
            }

            .btn-login-header {
                padding: 0 16px;
            }

            .brand-name {
                font-size: 16px;
            }

            .brand-name small {
                font-size: 10px;
            }
        }

        @media (max-width: 575.98px) {
            .brand-badge {
                width: 36px;
                height: 36px;
                font-size: 13px;
            }

            .brand-name {
                font-size: 15px;
            }

            .brand-name small {
                font-size: 10px;
            }

            .btn-cat-toggle {
                width: 42px;
                padding: 0;
                justify-content: center;
            }

            .btn-cat-toggle span {
                display: none;
            }

            .btn-login-header {
                padding: 0 14px;
                font-size: 13px;
            }

            .page-banner h1 {
                font-size: 1.9rem;
            }

            .banner-sub {
                font-size: 15px;
            }
        }