/* roulang page: index */
:root {
            --ceu-deep: #0b1a33;
            --ceu-primary: #0f2440;
            --ceu-accent: #c8963e;
            --ceu-accent-light: #e0b860;
            --ceu-warm: #d4783c;
            --ceu-soft: #f5f2ec;
            --ceu-white: #ffffff;
            --ceu-gray-50: #fafaf9;
            --ceu-gray-100: #f0ede7;
            --ceu-gray-200: #e3ded5;
            --ceu-gray-300: #c4beb2;
            --ceu-gray-500: #7a7368;
            --ceu-gray-700: #3d3830;
            --ceu-gray-900: #1a1714;
            --ceu-text: #1e1b17;
            --ceu-text-soft: #5c554a;
            --ceu-border: #e8e2d8;
            --ceu-radius-sm: 6px;
            --ceu-radius: 10px;
            --ceu-radius-lg: 16px;
            --ceu-radius-xl: 20px;
            --ceu-shadow-sm: 0 1px 3px rgba(11, 26, 51, 0.06);
            --ceu-shadow: 0 4px 16px rgba(11, 26, 51, 0.08);
            --ceu-shadow-md: 0 8px 28px rgba(11, 26, 51, 0.10);
            --ceu-shadow-lg: 0 16px 44px rgba(11, 26, 51, 0.13);
            --ceu-shadow-xl: 0 24px 60px rgba(11, 26, 51, 0.16);
            --ceu-transition: 0.22s cubic-bezier(0.4, 0, 0.2, 1);
            --ceu-font-sans: 'Inter', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            --ceu-section-gap: clamp(48px, 6vw, 88px);
            --ceu-container-max: 1200px;
        }

        *, *::before, *::after { box-sizing: border-box; }
        html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }
        body {
            font-family: var(--ceu-font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--ceu-text);
            background-color: var(--ceu-white);
            margin: 0;
            padding: 0;
            overflow-x: hidden;
        }
        a { text-decoration: none; color: inherit; transition: color var(--ceu-transition); }
        a:hover { color: var(--ceu-accent); }
        img { max-width: 100%; height: auto; display: block; }
        button { cursor: pointer; font-family: inherit; }
        ul, ol { list-style: none; padding: 0; margin: 0; }
        h1, h2, h3, h4, h5, h6 { margin: 0; line-height: 1.3; font-weight: 700; color: var(--ceu-deep); }
        p { margin: 0; }

        .container-custom {
            max-width: var(--ceu-container-max);
            margin: 0 auto;
            padding: 0 clamp(16px, 3vw, 32px);
        }

        /* ========== HEADER & NAV ========== */
        .ceu-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: rgba(255,255,255,0.94);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--ceu-border);
            transition: box-shadow var(--ceu-transition);
        }
        .ceu-header.scrolled { box-shadow: var(--ceu-shadow-md); }

        .ceu-navbar {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 14px 0;
            gap: 24px;
        }
        .ceu-logo {
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--ceu-deep);
            letter-spacing: -0.01em;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .ceu-logo .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: var(--ceu-radius-sm);
            background: linear-gradient(135deg, var(--ceu-primary) 0%, #1a3a60 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--ceu-accent-light);
            font-size: 1.1rem;
            font-weight: 700;
            flex-shrink: 0;
        }
        .ceu-logo:hover { color: var(--ceu-primary); }

        .ceu-nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
        }
        .ceu-nav-links a {
            display: inline-block;
            padding: 9px 17px;
            border-radius: 8px;
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--ceu-text-soft);
            transition: all var(--ceu-transition);
            position: relative;
            white-space: nowrap;
        }
        .ceu-nav-links a:hover,
        .ceu-nav-links a.active {
            color: var(--ceu-deep);
            background: var(--ceu-gray-100);
        }
        .ceu-nav-links a.active {
            color: var(--ceu-primary);
            background: #eef3fa;
        }

        .ceu-nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            padding: 11px 22px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 0.93rem;
            background: var(--ceu-accent);
            color: #fff !important;
            border: none;
            transition: all var(--ceu-transition);
            white-space: nowrap;
            box-shadow: 0 3px 12px rgba(200, 150, 62, 0.3);
        }
        .ceu-nav-cta:hover {
            background: #b8862e;
            box-shadow: 0 6px 20px rgba(200, 150, 62, 0.4);
            transform: translateY(-1px);
        }
        .ceu-nav-cta:active { transform: scale(0.97); }

        .navbar-toggler-ceu {
            display: none;
            background: none;
            border: 1.5px solid var(--ceu-border);
            border-radius: var(--ceu-radius-sm);
            padding: 8px 12px;
            font-size: 1.3rem;
            color: var(--ceu-deep);
            transition: all var(--ceu-transition);
        }
        .navbar-toggler-ceu:hover { background: var(--ceu-gray-100); border-color: var(--ceu-gray-300); }

        @media (max-width: 991.98px) {
            .ceu-nav-links { display: none; }
            .ceu-nav-cta-desktop { display: none; }
            .navbar-toggler-ceu { display: inline-flex; align-items: center; justify-content: center; }
            .ceu-navbar { flex-wrap: wrap; }
            .ceu-mobile-menu {
                display: none;
                flex-direction: column;
                width: 100%;
                padding: 8px 0 16px;
                gap: 4px;
            }
            .ceu-mobile-menu.open { display: flex; }
            .ceu-mobile-menu a {
                display: block;
                padding: 12px 16px;
                border-radius: 8px;
                font-weight: 600;
                font-size: 1rem;
                color: var(--ceu-text);
                transition: all var(--ceu-transition);
            }
            .ceu-mobile-menu a:hover,
            .ceu-mobile-menu a.active {
                background: var(--ceu-gray-100);
                color: var(--ceu-primary);
            }
            .ceu-mobile-cta {
                display: inline-flex;
                align-items: center;
                justify-content: center;
                gap: 7px;
                margin-top: 8px;
                padding: 13px 24px;
                border-radius: 50px;
                font-weight: 700;
                font-size: 1rem;
                background: var(--ceu-accent);
                color: #fff !important;
                text-align: center;
                box-shadow: 0 3px 12px rgba(200, 150, 62, 0.3);
            }
            .ceu-mobile-cta:hover { background: #b8862e; }
        }
        @media (min-width: 992px) {
            .ceu-mobile-menu { display: none !important; }
            .ceu-nav-cta-mobile { display: none; }
        }

        /* ========== HERO ========== */
        .ceu-hero {
            position: relative;
            min-height: 580px;
            display: flex;
            align-items: center;
            background: var(--ceu-primary);
            overflow: hidden;
            isolation: isolate;
        }
        .ceu-hero-bg {
            position: absolute;
            inset: 0;
            z-index: 0;
            background: url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            opacity: 0.28;
            filter: brightness(0.7);
        }
        .ceu-hero-overlay {
            position: absolute;
            inset: 0;
            z-index: 1;
            background: linear-gradient(170deg, rgba(11, 26, 51, 0.82) 0%, rgba(15, 36, 64, 0.65) 50%, rgba(11, 26, 51, 0.88) 100%);
        }
        .ceu-hero-content {
            position: relative;
            z-index: 2;
            padding: 80px 0 72px;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }
        .ceu-hero-text h1 {
            font-size: clamp(2rem, 3.8vw, 3.2rem);
            font-weight: 900;
            color: #fff;
            letter-spacing: -0.02em;
            line-height: 1.18;
            margin-bottom: 18px;
        }
        .ceu-hero-text h1 .highlight {
            color: var(--ceu-accent-light);
        }
        .ceu-hero-text .hero-sub {
            font-size: 1.12rem;
            color: rgba(255,255,255,0.82);
            line-height: 1.7;
            margin-bottom: 28px;
            max-width: 480px;
        }
        .ceu-hero-btns {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }
        .ceu-btn {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            padding: 13px 26px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 1rem;
            border: none;
            transition: all var(--ceu-transition);
            white-space: nowrap;
            cursor: pointer;
        }
        .ceu-btn-primary {
            background: var(--ceu-accent);
            color: #fff;
            box-shadow: 0 4px 16px rgba(200, 150, 62, 0.35);
        }
        .ceu-btn-primary:hover {
            background: #b8862e;
            box-shadow: 0 8px 24px rgba(200, 150, 62, 0.45);
            transform: translateY(-2px);
            color: #fff;
        }
        .ceu-btn-outline-light {
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255,255,255,0.45);
        }
        .ceu-btn-outline-light:hover {
            background: rgba(255,255,255,0.1);
            border-color: rgba(255,255,255,0.75);
            color: #fff;
            transform: translateY(-2px);
        }
        .ceu-hero-stats {
            display: flex;
            flex-direction: column;
            gap: 20px;
            background: rgba(255,255,255,0.07);
            backdrop-filter: blur(8px);
            border-radius: var(--ceu-radius-lg);
            padding: 32px 28px;
            border: 1px solid rgba(255,255,255,0.14);
        }
        .ceu-hero-stat-row {
            display: flex;
            gap: 24px;
        }
        .ceu-hero-stat-item {
            flex: 1;
        }
        .ceu-hero-stat-item .stat-num {
            font-size: 2.2rem;
            font-weight: 900;
            color: var(--ceu-accent-light);
            line-height: 1;
        }
        .ceu-hero-stat-item .stat-label {
            font-size: 0.85rem;
            color: rgba(255,255,255,0.7);
            margin-top: 4px;
        }
        .ceu-hero-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .ceu-tag-sm {
            display: inline-block;
            padding: 5px 13px;
            border-radius: 50px;
            font-size: 0.8rem;
            font-weight: 600;
            background: rgba(255,255,255,0.13);
            color: rgba(255,255,255,0.85);
            white-space: nowrap;
        }
        @media (max-width: 767.98px) {
            .ceu-hero-content { grid-template-columns: 1fr; gap: 32px; padding: 48px 0 40px; }
            .ceu-hero { min-height: auto; }
            .ceu-hero-stats { padding: 24px 20px; }
            .ceu-hero-stat-row { gap: 16px; }
            .ceu-hero-stat-item .stat-num { font-size: 1.7rem; }
        }

        /* ========== SECTIONS ========== */
        .ceu-section { padding: var(--ceu-section-gap) 0; }
        .ceu-section-header {
            text-align: center;
            margin-bottom: 48px;
        }
        .ceu-section-header h2 {
            font-size: clamp(1.6rem, 2.8vw, 2.2rem);
            font-weight: 800;
            color: var(--ceu-deep);
            margin-bottom: 10px;
            letter-spacing: -0.01em;
        }
        .ceu-section-header .section-subtitle {
            color: var(--ceu-text-soft);
            font-size: 1.02rem;
            max-width: 560px;
            margin: 0 auto;
        }
        .ceu-section-label {
            display: inline-block;
            padding: 5px 14px;
            border-radius: 50px;
            font-size: 0.82rem;
            font-weight: 700;
            background: #fdf3e0;
            color: var(--ceu-accent);
            margin-bottom: 10px;
            letter-spacing: 0.02em;
        }

        /* ========== INTRO CARDS ========== */
        .ceu-intro-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .ceu-intro-card {
            background: var(--ceu-white);
            border: 1px solid var(--ceu-border);
            border-radius: var(--ceu-radius-lg);
            padding: 32px 26px;
            transition: all var(--ceu-transition);
            position: relative;
        }
        .ceu-intro-card:hover {
            box-shadow: var(--ceu-shadow-md);
            transform: translateY(-3px);
            border-color: transparent;
        }
        .ceu-intro-card .intro-icon {
            width: 48px;
            height: 48px;
            border-radius: var(--ceu-radius);
            background: linear-gradient(135deg, #eef3fa 0%, #e3ecf8 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: var(--ceu-primary);
            margin-bottom: 18px;
        }
        .ceu-intro-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--ceu-deep);
        }
        .ceu-intro-card p {
            font-size: 0.92rem;
            color: var(--ceu-text-soft);
            line-height: 1.65;
        }
        @media (max-width: 767.98px) {
            .ceu-intro-grid { grid-template-columns: 1fr; }
        }

        /* ========== CATEGORY CARDS ========== */
        .ceu-cat-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }
        .ceu-cat-card {
            position: relative;
            border-radius: var(--ceu-radius-xl);
            overflow: hidden;
            min-height: 280px;
            display: flex;
            align-items: flex-end;
            isolation: isolate;
            transition: all var(--ceu-transition);
            cursor: pointer;
        }
        .ceu-cat-card:hover { transform: translateY(-4px); box-shadow: var(--ceu-shadow-lg); }
        .ceu-cat-card .cat-bg {
            position: absolute;
            inset: 0;
            z-index: 0;
            background-size: cover;
            background-position: center;
            transition: transform 0.5s ease;
        }
        .ceu-cat-card:hover .cat-bg { transform: scale(1.06); }
        .ceu-cat-card .cat-overlay {
            position: absolute;
            inset: 0;
            z-index: 1;
            background: linear-gradient(to top, rgba(11,26,51,0.9) 0%, rgba(11,26,51,0.3) 60%, rgba(11,26,51,0.05) 100%);
        }
        .ceu-cat-card .cat-info {
            position: relative;
            z-index: 2;
            padding: 28px 26px;
            width: 100%;
        }
        .ceu-cat-card .cat-tag {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 50px;
            font-size: 0.78rem;
            font-weight: 700;
            background: var(--ceu-accent);
            color: #fff;
            margin-bottom: 10px;
        }
        .ceu-cat-card h3 {
            font-size: 1.4rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 6px;
        }
        .ceu-cat-card .cat-desc {
            font-size: 0.9rem;
            color: rgba(255,255,255,0.78);
        }
        .ceu-cat-card .cat-arrow {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            margin-top: 12px;
            color: var(--ceu-accent-light);
            font-weight: 700;
            font-size: 0.9rem;
            transition: gap var(--ceu-transition);
        }
        .ceu-cat-card:hover .cat-arrow { gap: 10px; }
        @media (max-width: 767.98px) {
            .ceu-cat-grid { grid-template-columns: 1fr; }
            .ceu-cat-card { min-height: 220px; }
        }

        /* ========== CMS LIST ========== */
        .ceu-posts-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 22px;
        }
        .ceu-post-card {
            background: var(--ceu-white);
            border: 1px solid var(--ceu-border);
            border-radius: var(--ceu-radius-lg);
            overflow: hidden;
            transition: all var(--ceu-transition);
            display: flex;
            flex-direction: column;
        }
        .ceu-post-card:hover {
            box-shadow: var(--ceu-shadow-md);
            transform: translateY(-3px);
            border-color: transparent;
        }
        .ceu-post-card .post-thumb {
            aspect-ratio: 16 / 10;
            background-size: cover;
            background-position: center;
            position: relative;
            overflow: hidden;
        }
        .ceu-post-card .post-thumb .post-badge {
            position: absolute;
            top: 12px;
            right: 12px;
            padding: 4px 11px;
            border-radius: 50px;
            font-size: 0.75rem;
            font-weight: 700;
            background: var(--ceu-warm);
            color: #fff;
            z-index: 2;
        }
        .ceu-post-card .post-body {
            padding: 20px 18px 22px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .ceu-post-card .post-cat {
            font-size: 0.78rem;
            font-weight: 700;
            color: var(--ceu-accent);
            margin-bottom: 6px;
            text-transform: uppercase;
            letter-spacing: 0.03em;
        }
        .ceu-post-card h4 {
            font-size: 1.02rem;
            font-weight: 700;
            margin-bottom: 8px;
            line-height: 1.4;
            color: var(--ceu-deep);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .ceu-post-card h4 a { color: inherit; }
        .ceu-post-card h4 a:hover { color: var(--ceu-accent); }
        .ceu-post-card .post-excerpt {
            font-size: 0.87rem;
            color: var(--ceu-text-soft);
            line-height: 1.6;
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 12px;
        }
        .ceu-post-card .post-meta {
            font-size: 0.8rem;
            color: var(--ceu-gray-500);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .ceu-post-card .post-link {
            margin-top: auto;
            font-weight: 700;
            font-size: 0.88rem;
            color: var(--ceu-primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: gap var(--ceu-transition);
        }
        .ceu-post-card .post-link:hover { gap: 8px; color: var(--ceu-accent); }

        @media (max-width: 991.98px) {
            .ceu-posts-grid { grid-template-columns: repeat(2, 1fr); }
        }
        @media (max-width: 575.98px) {
            .ceu-posts-grid { grid-template-columns: 1fr; }
        }

        .ceu-empty-list {
            text-align: center;
            padding: 48px 20px;
            color: var(--ceu-text-soft);
            font-size: 1rem;
            grid-column: 1 / -1;
        }

        /* ========== DATA PANEL ========== */
        .ceu-data-panel {
            background: var(--ceu-deep);
            border-radius: var(--ceu-radius-xl);
            padding: 48px 40px;
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 28px;
            color: #fff;
        }
        .ceu-data-item { text-align: center; }
        .ceu-data-item .data-num {
            font-size: 2.6rem;
            font-weight: 900;
            color: var(--ceu-accent-light);
            line-height: 1;
        }
        .ceu-data-item .data-label {
            font-size: 0.9rem;
            color: rgba(255,255,255,0.7);
            margin-top: 8px;
        }
        .ceu-data-item .data-unit {
            font-size: 1rem;
            font-weight: 600;
            color: rgba(255,255,255,0.55);
        }
        @media (max-width: 767.98px) {
            .ceu-data-panel { grid-template-columns: repeat(2, 1fr); padding: 32px 24px; gap: 20px; }
            .ceu-data-item .data-num { font-size: 2rem; }
        }

        /* ========== PROCESS / TIMELINE ========== */
        .ceu-process-list {
            display: flex;
            gap: 0;
            position: relative;
        }
        .ceu-process-list::before {
            content: '';
            position: absolute;
            top: 28px;
            left: 0;
            right: 0;
            height: 3px;
            background: var(--ceu-border);
            z-index: 0;
            border-radius: 3px;
        }
        .ceu-process-step {
            flex: 1;
            text-align: center;
            position: relative;
            z-index: 1;
            padding: 0 12px;
        }
        .ceu-process-step .step-dot {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: var(--ceu-white);
            border: 3px solid var(--ceu-border);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            font-weight: 800;
            font-size: 1.2rem;
            color: var(--ceu-primary);
            transition: all var(--ceu-transition);
            position: relative;
        }
        .ceu-process-step:hover .step-dot {
            border-color: var(--ceu-accent);
            box-shadow: 0 0 0 8px rgba(200,150,62,0.1);
        }
        .ceu-process-step h4 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 4px;
        }
        .ceu-process-step p {
            font-size: 0.84rem;
            color: var(--ceu-text-soft);
            line-height: 1.5;
        }
        @media (max-width: 767.98px) {
            .ceu-process-list { flex-direction: column; gap: 20px; }
            .ceu-process-list::before { display: none; }
            .ceu-process-step { display: flex; align-items: center; gap: 16px; text-align: left; }
            .ceu-process-step .step-dot { margin: 0; flex-shrink: 0; }
        }

        /* ========== FAQ ========== */
        .ceu-faq-list {
            max-width: 760px;
            margin: 0 auto;
        }
        .ceu-faq-item {
            border: 1px solid var(--ceu-border);
            border-radius: var(--ceu-radius);
            margin-bottom: 10px;
            overflow: hidden;
            transition: all var(--ceu-transition);
            background: var(--ceu-white);
        }
        .ceu-faq-item:hover { border-color: var(--ceu-gray-300); }
        .ceu-faq-q {
            width: 100%;
            text-align: left;
            padding: 18px 20px;
            background: none;
            border: none;
            font-weight: 700;
            font-size: 1rem;
            color: var(--ceu-deep);
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            cursor: pointer;
            transition: color var(--ceu-transition);
        }
        .ceu-faq-q:hover { color: var(--ceu-accent); }
        .ceu-faq-q .faq-icon {
            flex-shrink: 0;
            transition: transform var(--ceu-transition);
            font-size: 0.85rem;
            color: var(--ceu-gray-500);
        }
        .ceu-faq-item.open .ceu-faq-q .faq-icon { transform: rotate(180deg); color: var(--ceu-accent); }
        .ceu-faq-a {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 20px;
            font-size: 0.92rem;
            color: var(--ceu-text-soft);
            line-height: 1.7;
        }
        .ceu-faq-item.open .ceu-faq-a {
            max-height: 300px;
            padding: 0 20px 18px;
        }

        /* ========== CTA ========== */
        .ceu-cta-section {
            background: linear-gradient(160deg, var(--ceu-primary) 0%, #0d1f3c 100%);
            border-radius: var(--ceu-radius-xl);
            padding: 56px 44px;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
            isolation: isolate;
        }
        .ceu-cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            z-index: 0;
            background: url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            opacity: 0.12;
        }
        .ceu-cta-section > * { position: relative; z-index: 1; }
        .ceu-cta-section h2 {
            font-size: clamp(1.5rem, 2.6vw, 2rem);
            font-weight: 800;
            color: #fff;
            margin-bottom: 10px;
        }
        .ceu-cta-section .cta-sub {
            color: rgba(255,255,255,0.75);
            margin-bottom: 24px;
            font-size: 1rem;
        }
        .ceu-btn-lg {
            padding: 15px 34px;
            font-size: 1.08rem;
        }
        @media (max-width: 575.98px) {
            .ceu-cta-section { padding: 36px 20px; }
        }

        /* ========== FOOTER ========== */
        .ceu-footer {
            background: var(--ceu-deep);
            color: rgba(255,255,255,0.7);
            padding: 44px 0 28px;
            margin-top: var(--ceu-section-gap);
        }
        .ceu-footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 28px;
            border-bottom: 1px solid rgba(255,255,255,0.12);
            margin-bottom: 20px;
        }
        .ceu-footer h5 {
            color: #fff;
            font-weight: 700;
            font-size: 0.95rem;
            margin-bottom: 14px;
        }
        .ceu-footer a {
            color: rgba(255,255,255,0.6);
            font-size: 0.88rem;
            transition: color var(--ceu-transition);
            display: inline-block;
            margin-bottom: 6px;
        }
        .ceu-footer a:hover { color: var(--ceu-accent-light); }
        .ceu-footer .footer-brand {
            font-size: 1.2rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 10px;
        }
        .ceu-footer .footer-desc {
            font-size: 0.87rem;
            line-height: 1.7;
            max-width: 340px;
        }
        .ceu-footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.82rem;
        }
        @media (max-width: 767.98px) {
            .ceu-footer-grid { grid-template-columns: 1fr; gap: 24px; }
            .ceu-footer-bottom { flex-direction: column; text-align: center; }
        }

        /* ========== UTILITY ========== */
        .text-accent { color: var(--ceu-accent); }
        .bg-soft { background: var(--ceu-soft); }
        .sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); border: 0; }
        .fw-900 { font-weight: 900; }
        .fw-800 { font-weight: 800; }

        @media (prefers-reduced-motion: reduce) {
            *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
        }

/* roulang page: article */
:root {
            --ceu-primary: #1B3A5C;
            --ceu-primary-dark: #0F2840;
            --ceu-primary-light: #2C5282;
            --ceu-accent: #C8963E;
            --ceu-accent-light: #D4A853;
            --ceu-accent-pale: #F5EDE0;
            --ceu-bg: #F7F8FA;
            --ceu-surface: #FFFFFF;
            --ceu-text: #1a1a1a;
            --ceu-text-secondary: #5A6377;
            --ceu-text-muted: #8892A4;
            --ceu-border: #E2E6ED;
            --ceu-border-light: #EEF0F4;
            --ceu-radius-sm: 6px;
            --ceu-radius: 10px;
            --ceu-radius-lg: 14px;
            --ceu-radius-xl: 20px;
            --ceu-shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
            --ceu-shadow: 0 4px 16px rgba(0,0,0,0.07), 0 2px 6px rgba(0,0,0,0.04);
            --ceu-shadow-lg: 0 12px 32px rgba(0,0,0,0.10), 0 4px 10px rgba(0,0,0,0.05);
            --ceu-shadow-xl: 0 20px 48px rgba(0,0,0,0.13), 0 8px 18px rgba(0,0,0,0.06);
            --ceu-font-sans: 'Inter', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, -apple-system, sans-serif;
            --ceu-transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        body {
            font-family: var(--ceu-font-sans);
            background: var(--ceu-bg);
            color: var(--ceu-text);
            line-height: 1.7;
            margin: 0;
            padding: 0;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

        a { color: var(--ceu-primary); text-decoration: none; transition: color var(--ceu-transition); }
        a:hover { color: var(--ceu-primary-light); }
        img { max-width: 100%; height: auto; display: block; }
        button, input, textarea { font-family: inherit; }

        .container-custom {
            max-width: 1240px;
            margin: 0 auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        /* Header & Navigation */
        .ceu-header {
            background: var(--ceu-surface);
            border-bottom: 1px solid var(--ceu-border);
            position: sticky;
            top: 0;
            z-index: 1050;
            box-shadow: var(--ceu-shadow-sm);
            transition: box-shadow var(--ceu-transition);
        }
        .ceu-header.scrolled { box-shadow: var(--ceu-shadow); }

        .ceu-navbar {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 14px 0;
            gap: 24px;
            flex-wrap: nowrap;
        }

        .ceu-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--ceu-primary);
            white-space: nowrap;
            flex-shrink: 0;
            text-decoration: none;
        }
        .ceu-logo:hover { color: var(--ceu-primary-dark); }
        .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--ceu-primary) 0%, var(--ceu-primary-light) 100%);
            color: #fff;
            border-radius: var(--ceu-radius-sm);
            font-size: 0.85rem;
            font-weight: 800;
            letter-spacing: 1px;
            flex-shrink: 0;
        }

        .ceu-nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: nowrap;
        }
        .ceu-nav-links a {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            padding: 9px 16px;
            border-radius: var(--ceu-radius);
            font-size: 0.925rem;
            font-weight: 500;
            color: var(--ceu-text-secondary);
            text-decoration: none;
            transition: all var(--ceu-transition);
            white-space: nowrap;
            position: relative;
        }
        .ceu-nav-links a:hover {
            color: var(--ceu-primary);
            background: rgba(27,58,92,0.04);
        }
        .ceu-nav-links a.active {
            color: var(--ceu-primary);
            background: rgba(27,58,92,0.07);
            font-weight: 600;
        }
        .ceu-nav-cta {
            background: var(--ceu-accent) !important;
            color: #fff !important;
            font-weight: 600 !important;
            border-radius: var(--ceu-radius) !important;
            padding: 10px 20px !important;
            box-shadow: 0 2px 8px rgba(200,150,62,0.3);
        }
        .ceu-nav-cta:hover {
            background: var(--ceu-accent-light) !important;
            color: #fff !important;
            box-shadow: 0 4px 14px rgba(200,150,62,0.4) !important;
            transform: translateY(-1px);
        }
        .ceu-nav-cta-desktop { display: inline-flex !important; }

        .navbar-toggler-ceu {
            display: none;
            background: none;
            border: 1.5px solid var(--ceu-border);
            color: var(--ceu-text);
            font-size: 1.4rem;
            padding: 8px 14px;
            border-radius: var(--ceu-radius-sm);
            cursor: pointer;
            transition: all var(--ceu-transition);
            line-height: 1;
        }
        .navbar-toggler-ceu:hover {
            background: var(--ceu-bg);
            border-color: var(--ceu-primary);
            color: var(--ceu-primary);
        }

        .ceu-mobile-menu {
            display: none;
            flex-direction: column;
            gap: 4px;
            padding: 8px 0 16px 0;
            border-top: 1px solid var(--ceu-border-light);
            animation: ceuSlideDown 0.25s ease;
        }
        .ceu-mobile-menu.open { display: flex; }
        @keyframes ceuSlideDown {
            from { opacity: 0; transform: translateY(-10px); }
            to { opacity: 1; transform: translateY(0); }
        }
        .ceu-mobile-menu a {
            display: block;
            padding: 12px 16px;
            border-radius: var(--ceu-radius-sm);
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--ceu-text-secondary);
            text-decoration: none;
            transition: all var(--ceu-transition);
        }
        .ceu-mobile-menu a:hover,
        .ceu-mobile-menu a.active {
            color: var(--ceu-primary);
            background: rgba(27,58,92,0.06);
        }
        .ceu-mobile-cta {
            background: var(--ceu-accent) !important;
            color: #fff !important;
            text-align: center;
            font-weight: 600 !important;
            margin-top: 6px;
        }

        /* Article Banner */
        .article-banner {
            position: relative;
            background: linear-gradient(135deg, #0F2840 0%, #1B3A5C 40%, #1e4976 100%);
            padding: 56px 0 48px;
            overflow: hidden;
            z-index: 1;
        }
        .article-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            opacity: 0.18;
            z-index: 0;
        }
        .article-banner::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 80px;
            background: linear-gradient(to top, var(--ceu-bg), transparent);
            z-index: 0;
        }
        .article-banner-content {
            position: relative;
            z-index: 1;
            max-width: 860px;
            margin: 0 auto;
            text-align: center;
        }
        .article-breadcrumb {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            flex-wrap: wrap;
            margin-bottom: 18px;
            font-size: 0.875rem;
            color: rgba(255,255,255,0.7);
        }
        .article-breadcrumb a {
            color: rgba(255,255,255,0.85);
            text-decoration: none;
            transition: color var(--ceu-transition);
        }
        .article-breadcrumb a:hover { color: #fff; }
        .article-breadcrumb .sep { color: rgba(255,255,255,0.4); font-size: 0.75rem; }
        .article-breadcrumb .current { color: rgba(255,255,255,0.55); }

        .article-category-tag {
            display: inline-block;
            background: var(--ceu-accent);
            color: #fff;
            font-size: 0.8rem;
            font-weight: 600;
            padding: 6px 14px;
            border-radius: 20px;
            margin-bottom: 14px;
            letter-spacing: 0.5px;
            text-transform: uppercase;
        }
        .article-banner h1 {
            font-size: 2.2rem;
            font-weight: 700;
            color: #fff;
            line-height: 1.35;
            margin: 0 0 14px 0;
            letter-spacing: -0.01em;
        }
        .article-banner-meta {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 20px;
            flex-wrap: wrap;
            font-size: 0.9rem;
            color: rgba(255,255,255,0.65);
        }
        .article-banner-meta span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        /* Article Body */
        .article-body-section {
            padding: 36px 0 60px;
        }
        .article-main-wrapper {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
            align-items: start;
        }
        .article-featured-image {
            border-radius: var(--ceu-radius-lg);
            overflow: hidden;
            box-shadow: var(--ceu-shadow-lg);
            margin-bottom: 28px;
        }
        .article-featured-image img {
            width: 100%;
            height: auto;
            display: block;
            border-radius: var(--ceu-radius-lg);
        }
        .article-content {
            background: var(--ceu-surface);
            border-radius: var(--ceu-radius-lg);
            padding: 36px 40px;
            box-shadow: var(--ceu-shadow-sm);
            border: 1px solid var(--ceu-border-light);
            font-size: 1.05rem;
            line-height: 1.85;
            color: var(--ceu-text);
        }
        .article-content h2 {
            font-size: 1.55rem;
            font-weight: 700;
            color: var(--ceu-primary);
            margin: 32px 0 14px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--ceu-accent-pale);
        }
        .article-content h3 {
            font-size: 1.25rem;
            font-weight: 600;
            color: var(--ceu-text);
            margin: 24px 0 10px;
        }
        .article-content p {
            margin-bottom: 16px;
        }
        .article-content ul, .article-content ol {
            margin-bottom: 16px;
            padding-left: 22px;
        }
        .article-content li {
            margin-bottom: 8px;
        }
        .article-content blockquote {
            border-left: 4px solid var(--ceu-accent);
            background: var(--ceu-accent-pale);
            padding: 16px 22px;
            border-radius: 0 var(--ceu-radius-sm) var(--ceu-radius-sm) 0;
            margin: 20px 0;
            font-style: italic;
            color: var(--ceu-text-secondary);
        }
        .article-content img {
            border-radius: var(--ceu-radius);
            margin: 16px 0;
            max-width: 100%;
            height: auto;
        }
        .article-content a {
            color: var(--ceu-primary);
            text-decoration: underline;
            text-underline-offset: 3px;
        }
        .article-content a:hover {
            color: var(--ceu-primary-light);
        }

        /* Sidebar */
        .article-sidebar {
            position: sticky;
            top: 100px;
        }
        .sidebar-card {
            background: var(--ceu-surface);
            border-radius: var(--ceu-radius-lg);
            padding: 24px;
            box-shadow: var(--ceu-shadow-sm);
            border: 1px solid var(--ceu-border-light);
            margin-bottom: 20px;
        }
        .sidebar-card h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--ceu-primary);
            margin-bottom: 14px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--ceu-accent-pale);
        }
        .sidebar-card ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .sidebar-card ul li {
            padding: 9px 0;
            border-bottom: 1px solid var(--ceu-border-light);
            font-size: 0.9rem;
        }
        .sidebar-card ul li:last-child { border-bottom: none; }
        .sidebar-card ul li a {
            color: var(--ceu-text-secondary);
            text-decoration: none;
            transition: color var(--ceu-transition);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .sidebar-card ul li a:hover { color: var(--ceu-primary); }
        .sidebar-card ul li a i { font-size: 0.7rem; color: var(--ceu-accent); }

        .article-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .article-tag {
            display: inline-block;
            background: var(--ceu-bg);
            color: var(--ceu-text-secondary);
            font-size: 0.8rem;
            padding: 5px 12px;
            border-radius: 16px;
            text-decoration: none;
            transition: all var(--ceu-transition);
            border: 1px solid var(--ceu-border);
        }
        .article-tag:hover {
            background: var(--ceu-primary);
            color: #fff;
            border-color: var(--ceu-primary);
        }

        /* Related Articles */
        .related-section {
            padding: 50px 0 60px;
            background: var(--ceu-surface);
            border-top: 1px solid var(--ceu-border-light);
        }
        .section-header {
            text-align: center;
            margin-bottom: 36px;
        }
        .section-header h2 {
            font-size: 1.75rem;
            font-weight: 700;
            color: var(--ceu-primary);
            margin: 0 0 8px;
        }
        .section-header p {
            color: var(--ceu-text-muted);
            font-size: 0.95rem;
            margin: 0;
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .related-card {
            background: var(--ceu-bg);
            border-radius: var(--ceu-radius-lg);
            overflow: hidden;
            box-shadow: var(--ceu-shadow-sm);
            border: 1px solid var(--ceu-border-light);
            transition: all var(--ceu-transition);
            display: flex;
            flex-direction: column;
        }
        .related-card:hover {
            box-shadow: var(--ceu-shadow-lg);
            transform: translateY(-4px);
            border-color: var(--ceu-border);
        }
        .related-card-img {
            height: 180px;
            overflow: hidden;
            flex-shrink: 0;
        }
        .related-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .related-card:hover .related-card-img img {
            transform: scale(1.06);
        }
        .related-card-body {
            padding: 18px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .related-card-cat {
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--ceu-accent);
            text-transform: uppercase;
            letter-spacing: 0.5px;
            margin-bottom: 8px;
        }
        .related-card-body h3 {
            font-size: 1.05rem;
            font-weight: 600;
            margin: 0 0 8px;
            line-height: 1.45;
        }
        .related-card-body h3 a {
            color: var(--ceu-text);
            text-decoration: none;
            transition: color var(--ceu-transition);
        }
        .related-card-body h3 a:hover { color: var(--ceu-primary); }
        .related-card-desc {
            font-size: 0.875rem;
            color: var(--ceu-text-muted);
            line-height: 1.55;
            flex: 1;
        }
        .related-card-date {
            font-size: 0.78rem;
            color: var(--ceu-text-muted);
            margin-top: 10px;
            display: flex;
            align-items: center;
            gap: 5px;
        }

        /* FAQ Section */
        .faq-section {
            padding: 56px 0 60px;
            background: var(--ceu-bg);
        }
        .faq-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
            max-width: 900px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--ceu-surface);
            border-radius: var(--ceu-radius);
            padding: 22px 24px;
            box-shadow: var(--ceu-shadow-sm);
            border: 1px solid var(--ceu-border-light);
            transition: all var(--ceu-transition);
            cursor: pointer;
        }
        .faq-item:hover {
            box-shadow: var(--ceu-shadow);
            border-color: var(--ceu-accent-pale);
        }
        .faq-item h4 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--ceu-primary);
            margin: 0 0 8px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .faq-item h4 i {
            color: var(--ceu-accent);
            font-size: 0.85rem;
            flex-shrink: 0;
        }
        .faq-item p {
            font-size: 0.9rem;
            color: var(--ceu-text-secondary);
            margin: 0;
            line-height: 1.6;
        }

        /* CTA Section */
        .cta-section {
            padding: 60px 0;
            background: linear-gradient(135deg, var(--ceu-primary) 0%, var(--ceu-primary-dark) 100%);
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-3.png') center/cover no-repeat;
            opacity: 0.1;
            z-index: 0;
        }
        .cta-section .container-custom { position: relative; z-index: 1; }
        .cta-section h2 {
            font-size: 1.9rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }
        .cta-section p {
            font-size: 1.05rem;
            color: rgba(255,255,255,0.75);
            max-width: 600px;
            margin: 0 auto 28px;
        }
        .cta-buttons {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }
        .btn-ceu-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--ceu-accent);
            color: #fff;
            font-weight: 600;
            font-size: 1rem;
            padding: 14px 28px;
            border-radius: var(--ceu-radius);
            border: none;
            text-decoration: none;
            transition: all var(--ceu-transition);
            box-shadow: 0 4px 16px rgba(200,150,62,0.35);
        }
        .btn-ceu-primary:hover {
            background: var(--ceu-accent-light);
            color: #fff;
            box-shadow: 0 6px 22px rgba(200,150,62,0.5);
            transform: translateY(-2px);
        }
        .btn-ceu-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: #fff;
            font-weight: 600;
            font-size: 1rem;
            padding: 14px 28px;
            border-radius: var(--ceu-radius);
            border: 2px solid rgba(255,255,255,0.5);
            text-decoration: none;
            transition: all var(--ceu-transition);
        }
        .btn-ceu-outline:hover {
            background: rgba(255,255,255,0.12);
            border-color: #fff;
            color: #fff;
            transform: translateY(-2px);
        }

        /* Not Found State */
        .not-found-state {
            text-align: center;
            padding: 60px 20px;
        }
        .not-found-state .icon-wrap {
            font-size: 4rem;
            color: var(--ceu-text-muted);
            margin-bottom: 20px;
        }
        .not-found-state h2 {
            font-size: 1.6rem;
            color: var(--ceu-primary);
            margin-bottom: 10px;
        }
        .not-found-state p {
            color: var(--ceu-text-secondary);
            margin-bottom: 24px;
            font-size: 0.95rem;
        }

        /* Footer */
        .ceu-footer {
            background: #0F1E2D;
            color: rgba(255,255,255,0.7);
            padding: 48px 0 28px;
            font-size: 0.9rem;
        }
        .ceu-footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 32px;
        }
        .footer-brand {
            font-size: 1.2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
        }
        .footer-desc {
            color: rgba(255,255,255,0.55);
            line-height: 1.6;
            margin: 0;
        }
        .ceu-footer-grid h5 {
            color: #fff;
            font-weight: 600;
            font-size: 0.95rem;
            margin-bottom: 14px;
        }
        .ceu-footer-grid a {
            color: rgba(255,255,255,0.6);
            text-decoration: none;
            display: inline-block;
            margin-bottom: 8px;
            transition: color var(--ceu-transition);
            line-height: 1.8;
        }
        .ceu-footer-grid a:hover { color: var(--ceu-accent-light); }
        .ceu-footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.12);
            padding-top: 20px;
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.82rem;
            color: rgba(255,255,255,0.45);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .article-main-wrapper {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .article-sidebar {
                position: static;
                display: grid;
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .sidebar-card { margin-bottom: 0; }
            .related-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .faq-grid {
                grid-template-columns: 1fr;
                max-width: 600px;
            }
        }

        @media (max-width: 768px) {
            .ceu-nav-links { display: none; }
            .navbar-toggler-ceu { display: inline-flex; }
            .ceu-navbar { padding: 10px 0; }
            .article-banner h1 { font-size: 1.6rem; }
            .article-content { padding: 22px 18px; font-size: 0.98rem; }
            .article-banner { padding: 36px 0 32px; }
            .article-sidebar {
                grid-template-columns: 1fr;
            }
            .related-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .ceu-footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .ceu-footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .section-header h2 { font-size: 1.45rem; }
            .cta-section h2 { font-size: 1.5rem; }
            .faq-item { padding: 16px 18px; }
        }

        @media (max-width: 520px) {
            .container-custom { padding-left: 14px; padding-right: 14px; }
            .article-banner h1 { font-size: 1.35rem; }
            .article-banner-meta { gap: 10px; font-size: 0.8rem; }
            .article-content { padding: 16px 14px; font-size: 0.93rem; }
            .article-content h2 { font-size: 1.3rem; }
            .related-grid {
                grid-template-columns: 1fr;
            }
            .cta-buttons { flex-direction: column; align-items: center; }
            .btn-ceu-primary, .btn-ceu-outline { width: 100%; justify-content: center; }
            .article-breadcrumb { font-size: 0.78rem; }
        }

/* roulang page: category1 */
:root {
            --ceu-primary: #1B2A4A;
            --ceu-primary-light: #243660;
            --ceu-accent: #C9944A;
            --ceu-accent-light: #E0B870;
            --ceu-hot: #E04B3D;
            --ceu-hot-light: #FF6B5E;
            --ceu-bg: #F6F7F9;
            --ceu-surface: #FFFFFF;
            --ceu-surface-alt: #EEF1F5;
            --ceu-text: #1E2233;
            --ceu-text-secondary: #5A6072;
            --ceu-text-muted: #949CAE;
            --ceu-border: #E2E6ED;
            --ceu-border-light: #EDF0F5;
            --ceu-radius-sm: 8px;
            --ceu-radius: 14px;
            --ceu-radius-lg: 20px;
            --ceu-radius-xl: 24px;
            --ceu-shadow-sm: 0 1px 3px rgba(27, 42, 74, 0.06);
            --ceu-shadow: 0 4px 16px rgba(27, 42, 74, 0.08);
            --ceu-shadow-lg: 0 12px 32px rgba(27, 42, 74, 0.12);
            --ceu-shadow-xl: 0 20px 48px rgba(27, 42, 74, 0.16);
            --ceu-transition: 0.22s cubic-bezier(0.4, 0, 0.2, 1);
            --ceu-font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, -apple-system, sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--ceu-font-sans);
            background-color: var(--ceu-bg);
            color: var(--ceu-text);
            line-height: 1.7;
            margin: 0;
            padding: 0;
            overflow-x: hidden;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--ceu-transition);
        }

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

        button {
            font-family: inherit;
            cursor: pointer;
        }

        .container-custom {
            width: 100%;
            max-width: 1220px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        @media (min-width: 1400px) {
            .container-custom {
                max-width: 1280px;
            }
        }

        @media (max-width: 768px) {
            .container-custom {
                padding-left: 16px;
                padding-right: 16px;
            }
        }

        /* ========== HEADER ========== */
        .ceu-header {
            background: var(--ceu-surface);
            border-bottom: 1px solid var(--ceu-border-light);
            position: sticky;
            top: 0;
            z-index: 1050;
            box-shadow: var(--ceu-shadow-sm);
            transition: box-shadow var(--ceu-transition);
        }

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

        .ceu-navbar {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 66px;
            gap: 24px;
        }

        .ceu-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--ceu-primary);
            white-space: nowrap;
            letter-spacing: -0.3px;
        }

        .ceu-logo .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--ceu-primary) 0%, var(--ceu-primary-light) 100%);
            color: #fff;
            font-size: 0.9rem;
            font-weight: 800;
            letter-spacing: 0;
        }

        .ceu-nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .ceu-nav-links a {
            display: inline-flex;
            align-items: center;
            padding: 9px 16px;
            border-radius: 10px;
            font-size: 0.925rem;
            font-weight: 500;
            color: var(--ceu-text-secondary);
            transition: all var(--ceu-transition);
            white-space: nowrap;
            position: relative;
        }

        .ceu-nav-links a:hover {
            color: var(--ceu-primary);
            background: var(--ceu-surface-alt);
        }

        .ceu-nav-links a.active {
            color: var(--ceu-primary);
            background: var(--ceu-surface-alt);
            font-weight: 600;
        }

        .ceu-nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            border-radius: 3px;
            background: var(--ceu-accent);
        }

        .ceu-nav-cta {
            background: var(--ceu-accent) !important;
            color: #fff !important;
            font-weight: 600 !important;
            padding: 9px 20px !important;
            border-radius: 24px !important;
            margin-left: 8px;
            transition: all var(--ceu-transition) !important;
            box-shadow: 0 2px 10px rgba(201, 148, 74, 0.3);
        }

        .ceu-nav-cta:hover {
            background: var(--ceu-accent-light) !important;
            box-shadow: 0 4px 18px rgba(201, 148, 74, 0.45) !important;
            transform: translateY(-1px);
        }

        .ceu-nav-cta-desktop {
            display: inline-flex !important;
        }

        .navbar-toggler-ceu {
            display: none;
            align-items: center;
            justify-content: center;
            width: 42px;
            height: 42px;
            border: none;
            background: var(--ceu-surface-alt);
            border-radius: 10px;
            color: var(--ceu-primary);
            font-size: 1.3rem;
            transition: all var(--ceu-transition);
        }

        .navbar-toggler-ceu:hover {
            background: var(--ceu-border);
        }

        .ceu-mobile-menu {
            display: none;
            flex-direction: column;
            gap: 4px;
            padding: 12px 0 20px;
            border-top: 1px solid var(--ceu-border-light);
            animation: fadeSlideDown 0.25s ease;
        }

        .ceu-mobile-menu.show {
            display: flex;
        }

        .ceu-mobile-menu a {
            display: block;
            padding: 12px 16px;
            border-radius: 10px;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--ceu-text-secondary);
            transition: all var(--ceu-transition);
        }

        .ceu-mobile-menu a:hover,
        .ceu-mobile-menu a.active {
            color: var(--ceu-primary);
            background: var(--ceu-surface-alt);
            font-weight: 600;
        }

        .ceu-mobile-cta {
            background: var(--ceu-accent) !important;
            color: #fff !important;
            font-weight: 600 !important;
            text-align: center;
            margin-top: 6px;
            border-radius: 24px !important;
        }

        @keyframes fadeSlideDown {
            from {
                opacity: 0;
                transform: translateY(-10px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        @media (max-width: 992px) {
            .ceu-nav-links {
                display: none;
            }
            .navbar-toggler-ceu {
                display: flex;
            }
            .ceu-nav-cta-desktop {
                display: none !important;
            }
        }

        @media (max-width: 520px) {
            .ceu-navbar {
                height: 58px;
            }
            .ceu-logo {
                font-size: 1.05rem;
                gap: 7px;
            }
            .ceu-logo .logo-icon {
                width: 32px;
                height: 32px;
                border-radius: 8px;
                font-size: 0.78rem;
            }
        }

        /* ========== BREADCRUMB ========== */
        .ceu-breadcrumb-bar {
            background: var(--ceu-surface);
            border-bottom: 1px solid var(--ceu-border-light);
            padding: 10px 0;
        }

        .ceu-breadcrumb {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 0.875rem;
            color: var(--ceu-text-muted);
            flex-wrap: wrap;
        }

        .ceu-breadcrumb a {
            color: var(--ceu-text-secondary);
            transition: color var(--ceu-transition);
        }

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

        .ceu-breadcrumb .separator {
            color: var(--ceu-border);
            font-size: 0.7rem;
        }

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

        /* ========== CATEGORY HERO ========== */
        .ceu-cat-hero {
            position: relative;
            background: var(--ceu-primary);
            background-image: url('/assets/images/backpic/back-3.png');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            padding: 60px 0;
            overflow: hidden;
        }

        .ceu-cat-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(27, 42, 74, 0.88) 0%, rgba(27, 42, 74, 0.78) 40%, rgba(36, 54, 96, 0.82) 100%);
            z-index: 1;
        }

        .ceu-cat-hero .container-custom {
            position: relative;
            z-index: 2;
        }

        .ceu-cat-hero-content {
            display: flex;
            flex-direction: column;
            gap: 16px;
            max-width: 720px;
        }

        .ceu-cat-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(255, 255, 255, 0.15);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.25);
            color: #fff;
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 500;
            width: fit-content;
            letter-spacing: 0.5px;
        }

        .ceu-cat-badge i {
            font-size: 0.75rem;
        }

        .ceu-cat-hero h1 {
            font-size: 2.6rem;
            font-weight: 800;
            color: #fff;
            margin: 0;
            line-height: 1.25;
            letter-spacing: -0.5px;
        }

        .ceu-cat-hero .subtitle {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.85);
            line-height: 1.6;
            margin: 0;
        }

        .ceu-cat-stats-row {
            display: flex;
            gap: 32px;
            margin-top: 12px;
        }

        .ceu-cat-stat {
            display: flex;
            flex-direction: column;
            gap: 2px;
        }

        .ceu-cat-stat .stat-num {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--ceu-accent-light);
            line-height: 1;
        }

        .ceu-cat-stat .stat-label {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.7);
        }

        @media (max-width: 768px) {
            .ceu-cat-hero {
                padding: 40px 0;
            }
            .ceu-cat-hero h1 {
                font-size: 1.8rem;
            }
            .ceu-cat-hero .subtitle {
                font-size: 0.95rem;
            }
            .ceu-cat-stats-row {
                gap: 20px;
            }
            .ceu-cat-stat .stat-num {
                font-size: 1.4rem;
            }
        }

        @media (max-width: 520px) {
            .ceu-cat-hero {
                padding: 32px 0;
            }
            .ceu-cat-hero h1 {
                font-size: 1.5rem;
            }
            .ceu-cat-stats-row {
                gap: 14px;
                flex-wrap: wrap;
            }
        }

        /* ========== SECTION TITLES ========== */
        .ceu-section-header {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 16px;
            margin-bottom: 28px;
            flex-wrap: wrap;
        }

        .ceu-section-header h2 {
            font-size: 1.55rem;
            font-weight: 700;
            color: var(--ceu-text);
            margin: 0;
            display: flex;
            align-items: center;
            gap: 10px;
            letter-spacing: -0.3px;
        }

        .ceu-section-header h2 .icon-dot {
            display: inline-block;
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--ceu-hot);
            animation: pulse-dot 1.6s ease-in-out infinite;
        }

        @keyframes pulse-dot {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(224, 75, 61, 0.5);
            }
            50% {
                box-shadow: 0 0 0 10px rgba(224, 75, 61, 0);
            }
        }

        .ceu-section-header .view-all {
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--ceu-accent);
            display: flex;
            align-items: center;
            gap: 4px;
            transition: all var(--ceu-transition);
            white-space: nowrap;
        }

        .ceu-section-header .view-all:hover {
            color: var(--ceu-primary);
            gap: 8px;
        }

        /* ========== HOT RANKING ========== */
        .ceu-section {
            padding: 48px 0;
        }

        .ceu-section.alt-bg {
            background: var(--ceu-surface);
        }

        .ceu-hot-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .ceu-hot-item {
            display: flex;
            align-items: center;
            gap: 16px;
            background: var(--ceu-surface);
            border-radius: var(--ceu-radius);
            padding: 16px 20px;
            border: 1px solid var(--ceu-border-light);
            transition: all var(--ceu-transition);
            cursor: pointer;
            position: relative;
            overflow: hidden;
        }

        .ceu-hot-item:hover {
            box-shadow: var(--ceu-shadow-lg);
            border-color: transparent;
            transform: translateY(-2px);
        }

        .ceu-hot-rank {
            flex-shrink: 0;
            width: 40px;
            height: 40px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1.1rem;
            color: #fff;
            background: var(--ceu-text-muted);
        }

        .ceu-hot-item:nth-child(1) .ceu-hot-rank {
            background: linear-gradient(135deg, #E04B3D, #F06050);
            font-size: 1.3rem;
            box-shadow: 0 4px 14px rgba(224, 75, 61, 0.35);
        }
        .ceu-hot-item:nth-child(2) .ceu-hot-rank {
            background: linear-gradient(135deg, #E87830, #F09050);
            box-shadow: 0 4px 14px rgba(232, 120, 48, 0.3);
        }
        .ceu-hot-item:nth-child(3) .ceu-hot-rank {
            background: linear-gradient(135deg, #C9944A, #D4A853);
            box-shadow: 0 4px 14px rgba(201, 148, 74, 0.3);
        }

        .ceu-hot-info {
            flex: 1;
            min-width: 0;
        }

        .ceu-hot-info .hot-title {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--ceu-text);
            margin: 0 0 4px;
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .ceu-hot-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 0.8rem;
            color: var(--ceu-text-muted);
        }

        .ceu-hot-tag {
            display: inline-flex;
            align-items: center;
            padding: 3px 10px;
            border-radius: 12px;
            font-size: 0.75rem;
            font-weight: 600;
            white-space: nowrap;
        }

        .tag-hot {
            background: #FDE8E6;
            color: #C0392B;
        }
        .tag-new {
            background: #E6F4EA;
            color: #1B7A3D;
        }
        .tag-trending {
            background: #FFF3E0;
            color: #C96A1B;
        }

        .ceu-hot-thumb {
            flex-shrink: 0;
            width: 80px;
            height: 60px;
            border-radius: 10px;
            overflow: hidden;
            background: var(--ceu-surface-alt);
        }

        .ceu-hot-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--ceu-transition);
        }

        .ceu-hot-item:hover .ceu-hot-thumb img {
            transform: scale(1.06);
        }

        @media (max-width: 768px) {
            .ceu-hot-item {
                padding: 14px;
                gap: 12px;
            }
            .ceu-hot-rank {
                width: 34px;
                height: 34px;
                font-size: 0.95rem;
                border-radius: 10px;
            }
            .ceu-hot-thumb {
                width: 64px;
                height: 48px;
                border-radius: 8px;
            }
            .ceu-hot-info .hot-title {
                font-size: 0.88rem;
            }
        }

        @media (max-width: 520px) {
            .ceu-hot-thumb {
                display: none;
            }
            .ceu-hot-item {
                padding: 12px;
                gap: 10px;
            }
        }

        /* ========== SERIES / 追更章节 ========== */
        .ceu-series-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 20px;
        }

        .ceu-series-card {
            background: var(--ceu-surface);
            border-radius: var(--ceu-radius-lg);
            border: 1px solid var(--ceu-border-light);
            overflow: hidden;
            transition: all var(--ceu-transition);
            cursor: pointer;
            position: relative;
        }

        .ceu-series-card:hover {
            box-shadow: var(--ceu-shadow-lg);
            border-color: transparent;
            transform: translateY(-3px);
        }

        .ceu-series-card-img {
            position: relative;
            aspect-ratio: 16 / 10;
            overflow: hidden;
            background: var(--ceu-surface-alt);
        }

        .ceu-series-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.35s ease;
        }

        .ceu-series-card:hover .ceu-series-card-img img {
            transform: scale(1.05);
        }

        .ceu-series-episode {
            position: absolute;
            top: 12px;
            left: 12px;
            background: rgba(27, 42, 74, 0.85);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            color: #fff;
            padding: 5px 12px;
            border-radius: 16px;
            font-size: 0.78rem;
            font-weight: 700;
            letter-spacing: 0.3px;
        }

        .ceu-series-progress {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: rgba(255, 255, 255, 0.3);
        }

        .ceu-series-progress-bar {
            height: 100%;
            background: var(--ceu-accent);
            border-radius: 0 2px 2px 0;
            transition: width 0.5s ease;
        }

        .ceu-series-card-body {
            padding: 16px 18px;
        }

        .ceu-series-card-body .series-title {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--ceu-text);
            margin: 0 0 8px;
            line-height: 1.45;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .ceu-series-card-body .series-meta {
            font-size: 0.8rem;
            color: var(--ceu-text-muted);
            display: flex;
            align-items: center;
            gap: 10px;
        }

        @media (max-width: 520px) {
            .ceu-series-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
        }

        /* ========== SPOTLIGHT GRID / 看点网格 ========== */
        .ceu-spotlight-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr;
            grid-template-rows: auto auto;
            gap: 16px;
        }

        .ceu-spotlight-card {
            position: relative;
            border-radius: var(--ceu-radius-lg);
            overflow: hidden;
            cursor: pointer;
            background: var(--ceu-surface-alt);
            border: 1px solid var(--ceu-border-light);
            transition: all var(--ceu-transition);
        }

        .ceu-spotlight-card:hover {
            box-shadow: var(--ceu-shadow-lg);
            border-color: transparent;
            transform: translateY(-2px);
        }

        .ceu-spotlight-card.featured {
            grid-row: span 2;
        }

        .ceu-spotlight-card .spot-img-wrap {
            position: relative;
            width: 100%;
            height: 100%;
            min-height: 180px;
        }

        .ceu-spotlight-card.featured .spot-img-wrap {
            min-height: 400px;
        }

        .ceu-spotlight-card .spot-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.35s ease;
        }

        .ceu-spotlight-card:hover .spot-img-wrap img {
            transform: scale(1.04);
        }

        .ceu-spotlight-overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: 28px 20px 20px;
            background: linear-gradient(transparent, rgba(27, 42, 74, 0.9));
            color: #fff;
        }

        .ceu-spotlight-overlay .spot-tag {
            display: inline-block;
            background: var(--ceu-hot);
            color: #fff;
            padding: 3px 10px;
            border-radius: 12px;
            font-size: 0.72rem;
            font-weight: 700;
            margin-bottom: 8px;
            letter-spacing: 0.5px;
        }

        .ceu-spotlight-overlay .spot-title {
            font-size: 1rem;
            font-weight: 700;
            margin: 0;
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .ceu-spotlight-card.featured .spot-title {
            font-size: 1.3rem;
        }

        @media (max-width: 992px) {
            .ceu-spotlight-grid {
                grid-template-columns: 1fr 1fr;
                grid-template-rows: auto;
            }
            .ceu-spotlight-card.featured {
                grid-column: span 2;
                grid-row: span 1;
            }
            .ceu-spotlight-card.featured .spot-img-wrap {
                min-height: 260px;
            }
        }

        @media (max-width: 520px) {
            .ceu-spotlight-grid {
                grid-template-columns: 1fr;
            }
            .ceu-spotlight-card.featured {
                grid-column: span 1;
            }
            .ceu-spotlight-card.featured .spot-img-wrap {
                min-height: 220px;
            }
            .ceu-spotlight-card .spot-img-wrap {
                min-height: 160px;
            }
        }

        /* ========== POLICY TIMELINE ========== */
        .ceu-timeline {
            position: relative;
            padding-left: 32px;
        }

        .ceu-timeline::before {
            content: '';
            position: absolute;
            left: 13px;
            top: 4px;
            bottom: 4px;
            width: 2px;
            background: var(--ceu-border);
            border-radius: 1px;
        }

        .ceu-timeline-item {
            position: relative;
            padding-bottom: 24px;
        }

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

        .ceu-timeline-dot {
            position: absolute;
            left: -32px;
            top: 4px;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--ceu-surface);
            border: 3px solid var(--ceu-accent);
            display: flex;
            align-items: center;
            justify-content: center;
            z-index: 1;
        }

        .ceu-timeline-dot::after {
            content: '';
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--ceu-accent);
        }

        .ceu-timeline-item.active .ceu-timeline-dot {
            border-color: var(--ceu-hot);
            box-shadow: 0 0 0 6px rgba(224, 75, 61, 0.12);
        }
        .ceu-timeline-item.active .ceu-timeline-dot::after {
            background: var(--ceu-hot);
            animation: pulse-dot 1.6s ease-in-out infinite;
        }

        .ceu-timeline-content {
            background: var(--ceu-surface);
            border-radius: var(--ceu-radius);
            padding: 16px 20px;
            border: 1px solid var(--ceu-border-light);
            transition: all var(--ceu-transition);
        }

        .ceu-timeline-content:hover {
            box-shadow: var(--ceu-shadow);
            border-color: transparent;
        }

        .ceu-timeline-date {
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--ceu-accent);
            margin-bottom: 4px;
            letter-spacing: 0.3px;
        }

        .ceu-timeline-content .tl-title {
            font-weight: 600;
            color: var(--ceu-text);
            margin: 0 0 4px;
            font-size: 0.95rem;
        }

        .ceu-timeline-content .tl-desc {
            font-size: 0.85rem;
            color: var(--ceu-text-secondary);
            margin: 0;
            line-height: 1.5;
        }

        @media (max-width: 520px) {
            .ceu-timeline {
                padding-left: 26px;
            }
            .ceu-timeline::before {
                left: 10px;
            }
            .ceu-timeline-dot {
                left: -26px;
                width: 22px;
                height: 22px;
            }
            .ceu-timeline-dot::after {
                width: 8px;
                height: 8px;
            }
        }

        /* ========== CTA BANNER ========== */
        .ceu-cta-banner {
            background: linear-gradient(135deg, var(--ceu-primary) 0%, var(--ceu-primary-light) 100%);
            border-radius: var(--ceu-radius-xl);
            padding: 44px 40px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .ceu-cta-banner::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.04);
        }

        .ceu-cta-banner::after {
            content: '';
            position: absolute;
            bottom: -40px;
            left: -30px;
            width: 140px;
            height: 140px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.03);
        }

        .ceu-cta-banner h3 {
            color: #fff;
            font-size: 1.5rem;
            font-weight: 700;
            margin: 0 0 10px;
            position: relative;
            z-index: 1;
        }

        .ceu-cta-banner p {
            color: rgba(255, 255, 255, 0.8);
            margin: 0 0 22px;
            font-size: 0.95rem;
            position: relative;
            z-index: 1;
        }

        .ceu-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: 28px;
            font-weight: 600;
            font-size: 0.95rem;
            transition: all var(--ceu-transition);
            border: none;
            cursor: pointer;
            position: relative;
            z-index: 1;
        }

        .ceu-btn-accent {
            background: var(--ceu-accent);
            color: #fff;
            box-shadow: 0 4px 16px rgba(201, 148, 74, 0.4);
        }
        .ceu-btn-accent:hover {
            background: var(--ceu-accent-light);
            box-shadow: 0 6px 22px rgba(201, 148, 74, 0.55);
            transform: translateY(-1px);
            color: #fff;
        }

        .ceu-btn-outline-light {
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.5);
        }
        .ceu-btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: #fff;
            color: #fff;
        }

        @media (max-width: 520px) {
            .ceu-cta-banner {
                padding: 28px 20px;
                border-radius: var(--ceu-radius-lg);
            }
            .ceu-cta-banner h3 {
                font-size: 1.2rem;
            }
        }

        /* ========== FAQ ========== */
        .ceu-faq-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .ceu-faq-item {
            background: var(--ceu-surface);
            border: 1px solid var(--ceu-border-light);
            border-radius: var(--ceu-radius);
            overflow: hidden;
            transition: all var(--ceu-transition);
        }

        .ceu-faq-question {
            width: 100%;
            background: none;
            border: none;
            padding: 18px 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--ceu-text);
            text-align: left;
            cursor: pointer;
            transition: color var(--ceu-transition);
        }

        .ceu-faq-question:hover {
            color: var(--ceu-primary);
        }

        .ceu-faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--ceu-surface-alt);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.75rem;
            color: var(--ceu-text-secondary);
            transition: all var(--ceu-transition);
        }

        .ceu-faq-answer {
            padding: 0 20px 18px;
            font-size: 0.9rem;
            color: var(--ceu-text-secondary);
            line-height: 1.7;
        }

        /* ========== FOOTER ========== */
        .ceu-footer {
            background: var(--ceu-primary);
            color: rgba(255, 255, 255, 0.85);
            padding: 48px 0 28px;
            margin-top: 24px;
        }

        .ceu-footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 36px;
        }

        .ceu-footer .footer-brand {
            font-size: 1.2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
        }

        .ceu-footer .footer-desc {
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.65);
            line-height: 1.6;
            margin: 0;
        }

        .ceu-footer h5 {
            font-size: 0.9rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: 0.3px;
        }

        .ceu-footer a {
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.88rem;
            transition: color var(--ceu-transition);
            display: inline-block;
            margin-bottom: 6px;
        }

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

        .ceu-footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.15);
            padding-top: 18px;
            display: flex;
            justify-content: space-between;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.5);
            flex-wrap: wrap;
            gap: 8px;
        }

        @media (max-width: 768px) {
            .ceu-footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
        }

        @media (max-width: 520px) {
            .ceu-footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .ceu-footer-bottom {
                flex-direction: column;
                gap: 4px;
            }
        }

        /* ========== UTILITY ========== */
        .text-accent {
            color: var(--ceu-accent);
        }
        .text-muted {
            color: var(--ceu-text-muted);
        }
        .mt-0 {
            margin-top: 0;
        }
        .mb-0 {
            margin-bottom: 0;
        }

        .ceu-divider {
            border: none;
            border-top: 1px solid var(--ceu-border-light);
            margin: 32px 0;
        }

        /* Focus visible */
        a:focus-visible,
        button:focus-visible {
            outline: 2px solid var(--ceu-accent);
            outline-offset: 3px;
            border-radius: 4px;
        }

/* roulang page: category2 */
:root {
            --ceu-primary: #1a3c5e;
            --ceu-primary-light: #2a5a8a;
            --ceu-accent: #e8753a;
            --ceu-accent-hover: #d0652a;
            --ceu-accent-soft: #fdf0e8;
            --ceu-bg: #f7f8fa;
            --ceu-surface: #ffffff;
            --ceu-text: #1e1e2d;
            --ceu-text-soft: #6b7280;
            --ceu-text-muted: #9ca3af;
            --ceu-border: #e5e7eb;
            --ceu-border-light: #f3f4f6;
            --ceu-radius-sm: 8px;
            --ceu-radius: 12px;
            --ceu-radius-lg: 16px;
            --ceu-radius-xl: 20px;
            --ceu-shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
            --ceu-shadow: 0 4px 16px rgba(0,0,0,0.08);
            --ceu-shadow-lg: 0 8px 32px rgba(0,0,0,0.12);
            --ceu-shadow-xl: 0 16px 48px rgba(0,0,0,0.15);
            --ceu-transition: 0.25s cubic-bezier(0.4,0,0.2,1);
            --ceu-font-stack: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            --ceu-container-max: 1200px;
            --ceu-nav-height: 68px;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--ceu-font-stack);
            color: var(--ceu-text);
            background: var(--ceu-bg);
            line-height: 1.7;
            margin: 0;
            padding: 0;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--ceu-transition);
        }

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

        button {
            cursor: pointer;
            font-family: inherit;
        }

        .container-custom {
            max-width: var(--ceu-container-max);
            margin: 0 auto;
            padding: 0 20px;
            width: 100%;
        }

        /* ========== 导航 ========== */
        .ceu-header {
            background: var(--ceu-surface);
            border-bottom: 1px solid var(--ceu-border);
            position: sticky;
            top: 0;
            z-index: 1050;
            height: var(--ceu-nav-height);
            display: flex;
            align-items: center;
            box-shadow: var(--ceu-shadow-sm);
            transition: box-shadow var(--ceu-transition);
        }

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

        .ceu-navbar {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            height: 100%;
        }

        .ceu-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 1.25rem;
            color: var(--ceu-primary);
            white-space: nowrap;
            letter-spacing: -0.01em;
            flex-shrink: 0;
        }

        .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: var(--ceu-radius-sm);
            background: linear-gradient(135deg, var(--ceu-primary) 0%, var(--ceu-primary-light) 100%);
            color: #fff;
            font-size: 0.85rem;
            font-weight: 800;
            letter-spacing: 0;
        }

        .ceu-nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .ceu-nav-links a {
            padding: 8px 16px;
            border-radius: var(--ceu-radius-sm);
            font-weight: 500;
            font-size: 0.95rem;
            color: var(--ceu-text-soft);
            transition: all var(--ceu-transition);
            white-space: nowrap;
            position: relative;
        }

        .ceu-nav-links a:hover {
            color: var(--ceu-primary);
            background: #f8fafc;
        }

        .ceu-nav-links a.active {
            color: var(--ceu-primary);
            background: #eef4fa;
            font-weight: 600;
        }

        .ceu-nav-cta {
            background: var(--ceu-accent) !important;
            color: #fff !important;
            font-weight: 600 !important;
            padding: 8px 18px !important;
            border-radius: 50px !important;
            font-size: 0.9rem !important;
            transition: all var(--ceu-transition) !important;
            box-shadow: 0 2px 8px rgba(232,117,58,0.3);
        }

        .ceu-nav-cta:hover {
            background: var(--ceu-accent-hover) !important;
            box-shadow: 0 4px 16px rgba(232,117,58,0.45) !important;
            transform: translateY(-1px);
            color: #fff !important;
        }

        .navbar-toggler-ceu {
            display: none;
            background: none;
            border: 1px solid var(--ceu-border);
            color: var(--ceu-text);
            width: 42px;
            height: 38px;
            border-radius: var(--ceu-radius-sm);
            font-size: 1.3rem;
            align-items: center;
            justify-content: center;
            transition: all var(--ceu-transition);
        }

        .navbar-toggler-ceu:hover {
            background: var(--ceu-bg);
            border-color: var(--ceu-primary);
            color: var(--ceu-primary);
        }

        .ceu-mobile-menu {
            display: none;
            position: absolute;
            top: var(--ceu-nav-height);
            left: 0;
            right: 0;
            background: var(--ceu-surface);
            border-bottom: 1px solid var(--ceu-border);
            padding: 16px 20px;
            flex-direction: column;
            gap: 6px;
            box-shadow: var(--ceu-shadow-lg);
            z-index: 1049;
        }

        .ceu-mobile-menu.active {
            display: flex;
        }

        .ceu-mobile-menu a {
            padding: 12px 16px;
            border-radius: var(--ceu-radius-sm);
            font-weight: 500;
            font-size: 0.95rem;
            color: var(--ceu-text-soft);
            transition: all var(--ceu-transition);
            display: block;
        }

        .ceu-mobile-menu a:hover,
        .ceu-mobile-menu a.active {
            color: var(--ceu-primary);
            background: #eef4fa;
            font-weight: 600;
        }

        .ceu-mobile-cta {
            background: var(--ceu-accent) !important;
            color: #fff !important;
            font-weight: 600 !important;
            text-align: center;
            border-radius: 50px !important;
            margin-top: 6px;
        }

        /* ========== 内页Banner ========== */
        .cat-banner {
            background: linear-gradient(160deg, #1a3c5e 0%, #1e4a72 40%, #1b3650 100%);
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            background-blend-mode: overlay;
            position: relative;
            padding: 70px 0 60px;
            color: #fff;
            overflow: hidden;
        }

        .cat-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(26,60,94,0.72);
            z-index: 0;
        }

        .cat-banner .container-custom {
            position: relative;
            z-index: 1;
        }

        .cat-breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.875rem;
            color: rgba(255,255,255,0.7);
            margin-bottom: 16px;
            flex-wrap: wrap;
        }

        .cat-breadcrumb a {
            color: rgba(255,255,255,0.85);
            transition: color var(--ceu-transition);
        }

        .cat-breadcrumb a:hover {
            color: #fff;
        }

        .cat-breadcrumb .sep {
            font-size: 0.7rem;
            opacity: 0.5;
        }

        .cat-banner-title {
            font-size: 2.6rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            margin-bottom: 12px;
            line-height: 1.25;
        }

        .cat-banner-desc {
            font-size: 1.1rem;
            color: rgba(255,255,255,0.8);
            max-width: 620px;
            line-height: 1.6;
        }

        .cat-banner-stats {
            display: flex;
            gap: 32px;
            margin-top: 28px;
            flex-wrap: wrap;
        }

        .cat-stat-item {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 1rem;
            color: rgba(255,255,255,0.85);
        }

        .cat-stat-num {
            font-size: 1.8rem;
            font-weight: 800;
            color: #fff;
        }

        /* ========== 主内容区 ========== */
        .cat-main {
            padding: 50px 0 60px;
            flex: 1;
        }

        .cat-layout {
            display: grid;
            grid-template-columns: 1fr 340px;
            gap: 36px;
            align-items: start;
        }

        /* ========== 筛选栏 ========== */
        .cat-filter-bar {
            background: var(--ceu-surface);
            border-radius: var(--ceu-radius-lg);
            padding: 16px 20px;
            margin-bottom: 24px;
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
            box-shadow: var(--ceu-shadow-sm);
            border: 1px solid var(--ceu-border-light);
        }

        .cat-filter-bar .filter-label {
            font-weight: 600;
            font-size: 0.875rem;
            color: var(--ceu-text);
            white-space: nowrap;
        }

        .cat-filter-bar .filter-tag {
            padding: 7px 15px;
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 500;
            border: 1px solid var(--ceu-border);
            background: var(--ceu-surface);
            color: var(--ceu-text-soft);
            cursor: pointer;
            transition: all var(--ceu-transition);
            white-space: nowrap;
        }

        .cat-filter-bar .filter-tag:hover {
            border-color: var(--ceu-primary);
            color: var(--ceu-primary);
            background: #f8fafc;
        }

        .cat-filter-bar .filter-tag.active-filter {
            background: var(--ceu-primary);
            color: #fff;
            border-color: var(--ceu-primary);
            font-weight: 600;
        }

        /* ========== 文章列表卡片 ========== */
        .article-seq-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .article-seq-card {
            background: var(--ceu-surface);
            border-radius: var(--ceu-radius-lg);
            overflow: hidden;
            display: flex;
            gap: 0;
            border: 1px solid var(--ceu-border-light);
            box-shadow: var(--ceu-shadow-sm);
            transition: all var(--ceu-transition);
            position: relative;
        }

        .article-seq-card:hover {
            box-shadow: var(--ceu-shadow-lg);
            transform: translateY(-2px);
            border-color: var(--ceu-border);
        }

        .seq-number {
            display: flex;
            align-items: center;
            justify-content: center;
            min-width: 52px;
            background: #f8fafc;
            font-weight: 800;
            font-size: 1.3rem;
            color: var(--ceu-text-muted);
            letter-spacing: -0.01em;
            flex-shrink: 0;
            border-right: 1px solid var(--ceu-border-light);
            transition: all var(--ceu-transition);
        }

        .article-seq-card:hover .seq-number {
            color: var(--ceu-primary);
            background: #eef4fa;
        }

        .article-seq-card.hot-card .seq-number {
            color: var(--ceu-accent);
            background: var(--ceu-accent-soft);
        }

        .seq-card-body {
            display: flex;
            gap: 20px;
            padding: 18px 20px;
            flex: 1;
            min-width: 0;
        }

        .seq-card-cover {
            width: 180px;
            min-width: 180px;
            height: 120px;
            border-radius: var(--ceu-radius);
            overflow: hidden;
            flex-shrink: 0;
            position: relative;
        }

        .seq-card-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

        .article-seq-card:hover .seq-card-cover img {
            transform: scale(1.06);
        }

        .hot-badge-corner {
            position: absolute;
            top: 8px;
            left: 8px;
            background: var(--ceu-accent);
            color: #fff;
            font-size: 0.7rem;
            font-weight: 700;
            padding: 3px 10px;
            border-radius: 50px;
            letter-spacing: 0.03em;
            z-index: 2;
        }

        .seq-card-info {
            flex: 1;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            min-width: 0;
        }

        .seq-card-tag {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--ceu-primary);
            background: #eef4fa;
            padding: 3px 10px;
            border-radius: 50px;
            width: fit-content;
            margin-bottom: 6px;
            white-space: nowrap;
        }

        .seq-card-title {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--ceu-text);
            line-height: 1.4;
            margin-bottom: 6px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            transition: color var(--ceu-transition);
        }

        .article-seq-card:hover .seq-card-title {
            color: var(--ceu-primary);
        }

        .seq-card-excerpt {
            font-size: 0.875rem;
            color: var(--ceu-text-soft);
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 8px;
        }

        .seq-card-meta {
            display: flex;
            align-items: center;
            gap: 14px;
            font-size: 0.8rem;
            color: var(--ceu-text-muted);
        }

        .seq-card-meta span {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .views-hot {
            color: var(--ceu-accent);
            font-weight: 600;
        }

        /* ========== 侧边栏 ========== */
        .cat-sidebar {
            position: sticky;
            top: calc(var(--ceu-nav-height) + 30px);
            display: flex;
            flex-direction: column;
            gap: 24px;
        }

        .sidebar-card {
            background: var(--ceu-surface);
            border-radius: var(--ceu-radius-lg);
            padding: 22px;
            border: 1px solid var(--ceu-border-light);
            box-shadow: var(--ceu-shadow-sm);
        }

        .sidebar-card h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--ceu-text);
            margin-bottom: 16px;
            padding-bottom: 12px;
            border-bottom: 2px solid var(--ceu-border-light);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .sidebar-card h4 .icon-fire {
            color: var(--ceu-accent);
            font-size: 1rem;
        }

        .hot-rank-list {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 0;
        }

        .hot-rank-item {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            padding: 12px 0;
            border-bottom: 1px solid var(--ceu-border-light);
            transition: all var(--ceu-transition);
            cursor: pointer;
        }

        .hot-rank-item:last-child {
            border-bottom: none;
            padding-bottom: 0;
        }

        .hot-rank-item:hover {
            padding-left: 4px;
        }

        .rank-num {
            font-weight: 800;
            font-size: 1.2rem;
            min-width: 28px;
            text-align: center;
            flex-shrink: 0;
            line-height: 1;
        }

        .rank-num.top1 { color: #e8753a; }
        .rank-num.top2 { color: #e8a03a; }
        .rank-num.top3 { color: #c08a3a; }
        .rank-num.rest { color: var(--ceu-text-muted); }

        .rank-info {
            min-width: 0;
        }

        .rank-title {
            font-size: 0.875rem;
            font-weight: 600;
            color: var(--ceu-text);
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            transition: color var(--ceu-transition);
        }

        .hot-rank-item:hover .rank-title {
            color: var(--ceu-primary);
        }

        .rank-views {
            font-size: 0.75rem;
            color: var(--ceu-text-muted);
            margin-top: 2px;
        }

        /* 进度条板块 */
        .progress-guide-card {
            background: var(--ceu-surface);
            border-radius: var(--ceu-radius-lg);
            padding: 22px;
            border: 1px solid var(--ceu-border-light);
            box-shadow: var(--ceu-shadow-sm);
            margin-top: 0;
        }

        .progress-guide-card h4 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 8px;
            color: var(--ceu-text);
        }

        .progress-step {
            display: flex;
            align-items: flex-start;
            gap: 14px;
            padding: 14px 0;
            border-bottom: 1px solid var(--ceu-border-light);
            position: relative;
        }

        .progress-step:last-child {
            border-bottom: none;
            padding-bottom: 0;
        }

        .step-dot {
            width: 36px;
            height: 36px;
            min-width: 36px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--ceu-primary) 0%, var(--ceu-primary-light) 100%);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 0.85rem;
            flex-shrink: 0;
        }

        .step-content h5 {
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--ceu-text);
            margin: 0 0 4px;
        }

        .step-content p {
            font-size: 0.8rem;
            color: var(--ceu-text-soft);
            margin: 0;
            line-height: 1.4;
        }

        /* ========== CTA板块 ========== */
        .cat-cta-section {
            background: linear-gradient(135deg, #1a3c5e 0%, #1e4a72 100%);
            background-image: url('/assets/images/backpic/back-3.png');
            background-size: cover;
            background-position: center;
            background-blend-mode: overlay;
            border-radius: var(--ceu-radius-xl);
            padding: 48px 40px;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
            margin-top: 10px;
        }

        .cat-cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(26,60,94,0.65);
            z-index: 0;
            border-radius: var(--ceu-radius-xl);
        }

        .cat-cta-section > * {
            position: relative;
            z-index: 1;
        }

        .cat-cta-section h3 {
            font-size: 1.6rem;
            font-weight: 800;
            margin-bottom: 10px;
            letter-spacing: -0.01em;
        }

        .cat-cta-section p {
            font-size: 1rem;
            color: rgba(255,255,255,0.8);
            margin-bottom: 22px;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }

        .btn-cta-large {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--ceu-accent);
            color: #fff;
            font-weight: 700;
            font-size: 1rem;
            padding: 14px 36px;
            border-radius: 50px;
            border: none;
            transition: all var(--ceu-transition);
            box-shadow: 0 4px 20px rgba(232,117,58,0.4);
            letter-spacing: 0.02em;
        }

        .btn-cta-large:hover {
            background: var(--ceu-accent-hover);
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(232,117,58,0.55);
            color: #fff;
        }

        /* ========== FAQ ========== */
        .cat-faq-section {
            margin-top: 10px;
        }

        .cat-faq-section h3 {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--ceu-text);
            margin-bottom: 20px;
            letter-spacing: -0.01em;
        }

        .faq-accordion-item {
            background: var(--ceu-surface);
            border-radius: var(--ceu-radius);
            margin-bottom: 10px;
            border: 1px solid var(--ceu-border-light);
            overflow: hidden;
            transition: all var(--ceu-transition);
            box-shadow: var(--ceu-shadow-sm);
        }

        .faq-accordion-item:hover {
            box-shadow: var(--ceu-shadow);
        }

        .faq-question {
            width: 100%;
            text-align: left;
            padding: 18px 20px;
            background: none;
            border: none;
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--ceu-text);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            cursor: pointer;
            transition: color var(--ceu-transition);
        }

        .faq-question:hover {
            color: var(--ceu-primary);
        }

        .faq-question .faq-arrow {
            transition: transform var(--ceu-transition);
            font-size: 0.8rem;
            color: var(--ceu-text-muted);
            flex-shrink: 0;
        }

        .faq-accordion-item.open .faq-arrow {
            transform: rotate(180deg);
            color: var(--ceu-primary);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
        }

        .faq-accordion-item.open .faq-answer {
            max-height: 300px;
        }

        .faq-answer-inner {
            padding: 0 20px 18px;
            font-size: 0.9rem;
            color: var(--ceu-text-soft);
            line-height: 1.65;
        }

        /* ========== 页脚 ========== */
        .ceu-footer {
            background: #111827;
            color: #d1d5db;
            padding: 50px 0 30px;
            margin-top: auto;
        }

        .ceu-footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 30px;
        }

        .footer-brand {
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
            letter-spacing: -0.01em;
        }

        .footer-desc {
            font-size: 0.9rem;
            color: #9ca3af;
            line-height: 1.6;
            margin: 0;
        }

        .ceu-footer-grid h5 {
            font-size: 0.95rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: 0.01em;
        }

        .ceu-footer-grid a {
            display: inline-block;
            color: #9ca3af;
            font-size: 0.875rem;
            margin-bottom: 8px;
            transition: color var(--ceu-transition);
            line-height: 1.6;
        }

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

        .ceu-footer-bottom {
            border-top: 1px solid #374151;
            padding-top: 20px;
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 10px;
            font-size: 0.8rem;
            color: #6b7280;
        }

        /* ========== 响应式 ========== */
        @media (max-width: 1024px) {
            .cat-layout {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .cat-sidebar {
                position: static;
                display: grid;
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
            .cat-cta-section {
                grid-column: 1 / -1;
            }
            .cat-banner-title {
                font-size: 2rem;
            }
            .seq-card-cover {
                width: 140px;
                min-width: 140px;
                height: 100px;
            }
        }

        @media (max-width: 768px) {
            .ceu-nav-links {
                display: none;
            }
            .navbar-toggler-ceu {
                display: flex;
            }
            .ceu-header {
                height: 60px;
            }
            :root {
                --ceu-nav-height: 60px;
            }
            .cat-banner {
                padding: 45px 0 40px;
            }
            .cat-banner-title {
                font-size: 1.6rem;
            }
            .cat-banner-desc {
                font-size: 0.95rem;
            }
            .cat-banner-stats {
                gap: 18px;
            }
            .cat-stat-num {
                font-size: 1.4rem;
            }
            .seq-card-body {
                flex-direction: column;
                gap: 12px;
                padding: 14px 16px;
            }
            .seq-card-cover {
                width: 100%;
                min-width: unset;
                height: 160px;
            }
            .seq-number {
                min-width: 40px;
                font-size: 1.1rem;
            }
            .seq-card-title {
                font-size: 1rem;
            }
            .cat-sidebar {
                grid-template-columns: 1fr;
            }
            .ceu-footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .ceu-footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .cat-cta-section {
                padding: 32px 20px;
            }
            .cat-cta-section h3 {
                font-size: 1.3rem;
            }
            .cat-filter-bar {
                gap: 8px;
                padding: 12px 14px;
            }
            .cat-filter-bar .filter-tag {
                font-size: 0.78rem;
                padding: 5px 11px;
            }
        }

        @media (max-width: 520px) {
            .container-custom {
                padding: 0 14px;
            }
            .cat-banner {
                padding: 32px 0 28px;
            }
            .cat-banner-title {
                font-size: 1.35rem;
            }
            .cat-breadcrumb {
                font-size: 0.78rem;
                margin-bottom: 10px;
            }
            .seq-number {
                min-width: 34px;
                font-size: 0.95rem;
            }
            .seq-card-body {
                padding: 10px 12px;
            }
            .seq-card-cover {
                height: 130px;
            }
            .cat-main {
                padding: 28px 0 40px;
            }
            .btn-cta-large {
                padding: 12px 24px;
                font-size: 0.9rem;
            }
            .faq-question {
                font-size: 0.875rem;
                padding: 14px 16px;
            }
            .cat-filter-bar .filter-tag {
                font-size: 0.72rem;
                padding: 4px 9px;
            }
        }