/* roulang page: index */
:root {
        --primary: #5A3BA8;
        --primary-deep: #3B256B;
        --primary-light: #EDE6F8;
        --accent: #E8A33D;
        --accent-dark: #C97C12;
        --bg: #F7F5F2;
        --surface: #FFFFFF;
        --dark: #221A2D;
        --dark-light: #2E2238;
        --text: #2B2233;
        --text-light: #6E6875;
        --border: #E5E0EB;
        --success: #2F9E77;
        --warning: #C97C12;
        --error: #C43D3D;
        --radius-sm: 6px;
        --radius-md: 10px;
        --radius-lg: 14px;
        --radius-pill: 999px;
        --shadow-sm: 0 1px 4px rgba(35,26,46,.06);
        --shadow-md: 0 2px 10px rgba(35,26,46,.08);
        --shadow-lg: 0 14px 30px rgba(35,26,46,.14);
        --container: 1200px;
        --space-section: 80px;
        --header-h: 64px;
        --font-sans: -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
    }
    * { box-sizing: border-box; margin: 0; padding: 0; }
    html { scroll-behavior: smooth; }
    body {
        font-family: var(--font-sans);
        font-size: 16px;
        line-height: 1.75;
        color: var(--text);
        background: var(--bg);
        -webkit-font-smoothing: antialiased;
    }
    img { max-width: 100%; display: block; }
    a { color: inherit; text-decoration: none; }
    ul, ol { list-style: none; }
    button, input, select, textarea { font-family: inherit; font-size: inherit; color: inherit; }
    button { cursor: pointer; border: none; background: none; }
    .container {
        max-width: var(--container);
        margin: 0 auto;
        padding: 0 24px;
    }
    .section { padding: var(--space-section) 0; }
    .section-head {
        text-align: center;
        max-width: 720px;
        margin: 0 auto 48px;
    }
    .section-head h2 {
        font-size: 30px;
        font-weight: 700;
        color: var(--text);
        letter-spacing: 1px;
        margin-bottom: 10px;
        line-height: 1.3;
    }
    .section-head p {
        font-size: 16px;
        color: var(--text-light);
    }
    /* Buttons */
    .btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
        height: 46px;
        padding: 0 30px;
        border-radius: var(--radius-sm);
        font-size: 15px;
        font-weight: 600;
        line-height: 1;
        white-space: nowrap;
        transition: all .25s ease;
        border: 1px solid transparent;
    }
    .btn-accent {
        background: var(--accent);
        color: #2E1238;
    }
    .btn-accent:hover { background: #F0B055; transform: translateY(-1px); box-shadow: 0 6px 16px rgba(232,163,61,.3); }
    .btn-accent:active { transform: translateY(0); }
    .btn-primary {
        background: var(--primary);
        color: #fff;
    }
    .btn-primary:hover { background: var(--primary-deep); transform: translateY(-1px); box-shadow: 0 6px 16px rgba(90,59,168,.28); }
    .btn-primary:active { transform: translateY(0); }
    .btn-outline {
        background: rgba(255,255,255,.12);
        color: #fff;
        border-color: rgba(255,255,255,.5);
    }
    .btn-outline:hover { background: rgba(255,255,255,.2); border-color: #fff; }
    .btn-outline-dark {
        background: var(--surface);
        color: var(--primary);
        border: 1px solid var(--primary);
    }
    .btn-outline-dark:hover { background: var(--primary-light); }
    .btn-lg { height: 52px; padding: 0 38px; font-size: 16px; }
    .btn-sm { height: 38px; padding: 0 20px; font-size: 14px; }
    .btn-block { width: 100%; }
    .btn:focus-visible { outline: 3px solid rgba(90,59,168,.35); outline-offset: 2px; }
    /* Badge */
    .badge {
        display: inline-block;
        padding: 4px 14px;
        border-radius: var(--radius-pill);
        font-size: 13px;
        font-weight: 600;
        line-height: 1.5;
        background: var(--primary-light);
        color: var(--primary);
    }
    .badge-accent {
        background: rgba(232,163,61,.18);
        color: var(--accent-dark);
    }
    /* Header */
    .site-header {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        z-index: 1000;
        height: var(--header-h);
        background: var(--surface);
        border-bottom: 1px solid var(--border);
        transition: box-shadow .3s ease;
    }
    .site-header.scrolled {
        box-shadow: 0 4px 12px rgba(0,0,0,.06);
    }
    .header-inner {
        display: flex;
        align-items: center;
        justify-content: space-between;
        height: 100%;
        gap: 24px;
    }
    .brand {
        display: flex;
        align-items: center;
        gap: 10px;
        flex-shrink: 0;
    }
    .brand-icon {
        width: 34px;
        height: 34px;
        border-radius: 8px;
        background: linear-gradient(135deg, var(--primary), var(--primary-deep));
        display: flex;
        align-items: center;
        justify-content: center;
        color: var(--accent);
        font-size: 18px;
        font-weight: 800;
        letter-spacing: -1px;
    }
    .brand-name {
        font-size: 18px;
        font-weight: 700;
        color: var(--text);
        letter-spacing: .5px;
        white-space: nowrap;
    }
    .main-nav {
        display: flex;
        align-items: center;
        gap: 4px;
        flex: 1;
        justify-content: center;
    }
    .main-nav .nav-link {
        padding: 8px 16px;
        font-size: 15px;
        font-weight: 500;
        color: var(--text-light);
        border-radius: var(--radius-sm);
        transition: all .2s ease;
        position: relative;
        white-space: nowrap;
    }
    .main-nav .nav-link:hover {
        color: var(--primary);
        background: rgba(90,59,168,.06);
    }
    .main-nav .nav-link.active {
        color: var(--primary);
        font-weight: 600;
    }
    .main-nav .nav-link.active::after {
        content: '';
        position: absolute;
        left: 16px;
        right: 16px;
        bottom: 2px;
        height: 2px;
        background: var(--primary);
        border-radius: 2px;
    }
    .header-actions {
        display: flex;
        align-items: center;
        gap: 12px;
        flex-shrink: 0;
    }
    .search-box {
        display: flex;
        align-items: center;
        width: 220px;
        height: 36px;
        background: var(--bg);
        border: 1px solid var(--border);
        border-radius: var(--radius-sm);
        padding: 0 8px 0 12px;
        transition: border-color .2s, box-shadow .2s;
    }
    .search-box:focus-within {
        border-color: var(--primary);
        box-shadow: 0 0 0 3px rgba(90,59,168,.12);
    }
    .search-box svg {
        width: 16px;
        height: 16px;
        color: var(--text-light);
        flex-shrink: 0;
    }
    .search-box input {
        flex: 1;
        border: none;
        background: transparent;
        outline: none;
        font-size: 14px;
        padding: 0 8px;
        color: var(--text);
    }
    .search-box input::placeholder { color: #AFA8B8; }
    .search-box button {
        background: var(--primary);
        color: #fff;
        border-radius: 4px;
        padding: 4px 12px;
        font-size: 13px;
        font-weight: 500;
        height: 26px;
        transition: background .2s;
    }
    .search-box button:hover { background: var(--primary-deep); }
    .mobile-toggle {
        display: none;
        flex-direction: column;
        gap: 5px;
        width: 36px;
        height: 36px;
        align-items: center;
        justify-content: center;
        border-radius: 6px;
        background: transparent;
        transition: background .2s;
    }
    .mobile-toggle:hover { background: rgba(90,59,168,.08); }
    .mobile-toggle span {
        display: block;
        width: 20px;
        height: 2px;
        background: var(--text);
        border-radius: 2px;
        transition: all .3s;
    }
    .mobile-toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
    .mobile-toggle.active span:nth-child(2) { opacity: 0; }
    .mobile-toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
    /* Mobile drawer */
    .drawer-overlay {
        position: fixed;
        inset: 0;
        background: rgba(34,26,45,.5);
        z-index: 1100;
        opacity: 0;
        visibility: hidden;
        transition: all .3s;
    }
    .drawer-overlay.open { opacity: 1; visibility: visible; }
    .mobile-drawer {
        position: fixed;
        top: 0;
        right: -280px;
        width: 280px;
        height: 100vh;
        background: var(--surface);
        z-index: 1200;
        padding: 24px;
        transition: right .3s ease;
        box-shadow: -10px 0 30px rgba(0,0,0,.1);
        display: flex;
        flex-direction: column;
        gap: 20px;
    }
    .mobile-drawer.open { right: 0; }
    .drawer-close {
        align-self: flex-end;
        font-size: 24px;
        color: var(--text-light);
        line-height: 1;
        padding: 4px 8px;
        border-radius: 4px;
    }
    .drawer-close:hover { color: var(--text); background: var(--bg); }
    .drawer-nav { display: flex; flex-direction: column; gap: 4px; }
    .drawer-nav .nav-link {
        padding: 12px 16px;
        font-size: 16px;
        font-weight: 500;
        color: var(--text);
        border-radius: var(--radius-sm);
        transition: background .2s;
    }
    .drawer-nav .nav-link:hover { background: var(--primary-light); color: var(--primary); }
    .drawer-nav .nav-link.active { background: var(--primary-light); color: var(--primary); font-weight: 600; }
    .drawer-search {
        display: flex;
        align-items: center;
        height: 40px;
        background: var(--bg);
        border: 1px solid var(--border);
        border-radius: var(--radius-sm);
        padding: 0 12px;
    }
    .drawer-search input {
        flex: 1;
        border: none;
        background: transparent;
        outline: none;
        font-size: 14px;
    }
    /* Hero */
    .hero {
        position: relative;
        padding-top: var(--header-h);
        min-height: 640px;
        display: flex;
        align-items: center;
        overflow: hidden;
        background-image: url('/assets/images/backpic/back-1.webp');
        background-size: cover;
        background-position: center;
    }
    .hero::before {
        content: '';
        position: absolute;
        inset: 0;
        background: linear-gradient(120deg, rgba(36,20,66,.94) 0%, rgba(59,37,107,.86) 45%, rgba(90,59,168,.78) 100%);
    }
    .hero-inner {
        position: relative;
        z-index: 2;
        display: grid;
        grid-template-columns: 1.2fr .8fr;
        gap: 60px;
        align-items: center;
        padding: 80px 24px;
    }
    .hero-content { max-width: 640px; }
    .hero-badge {
        display: inline-block;
        padding: 5px 16px;
        border-radius: var(--radius-pill);
        background: rgba(232,163,61,.18);
        border: 1px solid rgba(232,163,61,.4);
        color: #F0C078;
        font-size: 13px;
        font-weight: 600;
        margin-bottom: 22px;
        letter-spacing: .5px;
    }
    .hero-content h1 {
        font-size: 44px;
        font-weight: 800;
        line-height: 1.2;
        color: #fff;
        letter-spacing: 1px;
        margin-bottom: 18px;
    }
    .hero-content h1 .accent-text {
        color: var(--accent);
    }
    .hero-sub {
        font-size: 18px;
        line-height: 1.7;
        color: rgba(255,255,255,.82);
        margin-bottom: 34px;
        max-width: 540px;
    }
    .hero-actions {
        display: flex;
        gap: 16px;
        flex-wrap: wrap;
        margin-bottom: 28px;
    }
    .hero-meta {
        display: flex;
        align-items: center;
        gap: 10px;
        color: rgba(255,255,255,.6);
        font-size: 14px;
    }
    .hero-version {
        padding: 3px 12px;
        border-radius: var(--radius-pill);
        background: rgba(255,255,255,.1);
        border: 1px solid rgba(232,163,61,.35);
        color: #F0C078;
        font-weight: 500;
    }
    .hero-visual {
        position: relative;
    }
    .hero-shot {
        position: relative;
        border-radius: var(--radius-lg);
        overflow: hidden;
        box-shadow: 0 22px 60px rgba(0,0,0,.35);
        background: linear-gradient(135deg, #3B256B, #1E1433);
        border: 1px solid rgba(255,255,255,.08);
    }
    .hero-shot img {
        width: 100%;
        height: 380px;
        object-fit: cover;
        display: block;
    }
    .shot-flag {
        position: absolute;
        top: 16px;
        right: 16px;
        background: var(--accent);
        color: #2E1238;
        font-size: 13px;
        font-weight: 700;
        padding: 5px 16px;
        border-radius: var(--radius-pill);
        box-shadow: 0 4px 12px rgba(232,163,61,.4);
    }
    /* Features */
    .features-section {
        background: var(--surface);
        border-bottom: 1px solid var(--border);
    }
    .features-wrap {
        display: grid;
        grid-template-columns: 1.2fr .8fr;
        gap: 60px;
        align-items: center;
    }
    .features-list {
        display: flex;
        flex-direction: column;
        gap: 8px;
    }
    .feature-item {
        display: flex;
        align-items: flex-start;
        gap: 24px;
        padding: 24px 20px;
        border-radius: var(--radius-md);
        transition: transform .25s ease, background .25s;
        background: transparent;
    }
    .feature-item:hover {
        background: linear-gradient(135deg, rgba(90,59,168,.05), rgba(232,163,61,.04));
        transform: translateX(6px);
    }
    .feature-num {
        font-size: 15px;
        font-weight: 800;
        color: var(--primary);
        background: var(--primary-light);
        width: 38px;
        height: 38px;
        border-radius: 10px;
        display: flex;
        align-items: center;
        justify-content: center;
        flex-shrink: 0;
        font-style: italic;
        letter-spacing: -.5px;
    }
    .feature-content h3 {
        font-size: 20px;
        font-weight: 700;
        margin-bottom: 6px;
        color: var(--text);
        transition: color .2s;
    }
    .feature-item:hover .feature-content h3 { color: var(--primary); }
    .feature-content p {
        font-size: 15px;
        color: var(--text-light);
        line-height: 1.7;
    }
    .features-visual {
        position: relative;
        border-radius: var(--radius-lg);
        overflow: hidden;
        box-shadow: var(--shadow-lg);
    }
    .features-visual img {
        width: 100%;
        height: 420px;
        object-fit: cover;
    }
    .features-visual::after {
        content: '';
        position: absolute;
        inset: 0;
        background: linear-gradient(to top, rgba(34,26,45,.25), transparent 40%);
    }
    /* Carousel */
    .carousel-section {
        background: var(--bg);
    }
    .carousel-wrap {
        position: relative;
        max-width: 900px;
        margin: 0 auto;
        overflow: hidden;
        border-radius: var(--radius-lg);
        box-shadow: var(--shadow-lg);
    }
    .carousel-track {
        display: flex;
        transition: transform .5s ease;
    }
    .carousel-slide {
        min-width: 100%;
        position: relative;
        background: var(--dark);
    }
    .carousel-slide img {
        width: 100%;
        height: 460px;
        object-fit: cover;
        opacity: .85;
    }
    .carousel-caption {
        position: absolute;
        left: 0;
        right: 0;
        bottom: 0;
        padding: 30px;
        background: linear-gradient(to top, rgba(34,26,45,.9), transparent);
        color: #fff;
    }
    .carousel-caption h3 {
        font-size: 20px;
        font-weight: 700;
        margin-bottom: 4px;
    }
    .carousel-caption p {
        font-size: 14px;
        color: rgba(255,255,255,.75);
        line-height: 1.6;
    }
    .carousel-btn {
        position: absolute;
        top: 50%;
        transform: translateY(-50%);
        width: 46px;
        height: 46px;
        border-radius: 50%;
        background: rgba(255,255,255,.2);
        backdrop-filter: blur(4px);
        color: #fff;
        font-size: 20px;
        display: flex;
        align-items: center;
        justify-content: center;
        transition: background .2s;
        z-index: 3;
        border: 1px solid rgba(255,255,255,.25);
    }
    .carousel-btn:hover { background: rgba(255,255,255,.35); }
    .carousel-btn.prev { left: 18px; }
    .carousel-btn.next { right: 18px; }
    .carousel-dots {
        display: flex;
        justify-content: center;
        gap: 10px;
        margin-top: 24px;
    }
    .carousel-dots button {
        width: 9px;
        height: 9px;
        border-radius: 50%;
        background: #C8C0D4;
        transition: all .3s;
    }
    .carousel-dots button.active {
        background: var(--primary);
        width: 30px;
        border-radius: 6px;
    }
    /* Requirements */
    .req-section {
        background: var(--surface);
        border-top: 1px solid var(--border);
        border-bottom: 1px solid var(--border);
    }
    .req-grid {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 30px;
        max-width: 960px;
        margin: 0 auto;
    }
    .req-card {
        background: var(--bg);
        border: 1px solid var(--border);
        border-radius: var(--radius-md);
        padding: 36px 34px;
        transition: box-shadow .3s;
    }
    .req-card:hover { box-shadow: var(--shadow-md); }
    .req-card.recommended {
        border-color: rgba(232,163,61,.5);
        background: linear-gradient(135deg, #FDF9F2, #FFF);
    }
    .req-top {
        display: flex;
        align-items: center;
        gap: 14px;
        margin-bottom: 24px;
    }
    .req-icon {
        width: 46px;
        height: 46px;
        border-radius: 12px;
        background: var(--primary-light);
        color: var(--primary);
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 20px;
    }
    .req-card.recommended .req-icon {
        background: rgba(232,163,61,.15);
        color: var(--accent-dark);
    }
    .req-top h3 {
        font-size: 20px;
        font-weight: 700;
        color: var(--text);
    }
    .req-top .tag {
        font-size: 12px;
        font-weight: 600;
        padding: 2px 10px;
        border-radius: var(--radius-pill);
        background: var(--primary-light);
        color: var(--primary);
    }
    .req-card.recommended .tag {
        background: rgba(232,163,61,.2);
        color: var(--accent-dark);
    }
    .req-list { display: flex; flex-direction: column; gap: 0; }
    .req-list li {
        display: flex;
        justify-content: space-between;
        padding: 12px 0;
        border-bottom: 1px solid var(--border);
        font-size: 15px;
    }
    .req-list li:last-child { border-bottom: none; }
    .req-list .label { color: var(--text-light); }
    .req-list .value { font-weight: 600; color: var(--text); }
    .req-note {
        text-align: center;
        margin-top: 30px;
        font-size: 14px;
        color: var(--text-light);
    }
    /* Reviews */
    .reviews-section { background: var(--bg); }
    .reviews-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 24px;
    }
    .review-card {
        background: var(--surface);
        border: 1px solid var(--border);
        border-radius: var(--radius-md);
        padding: 28px;
        transition: box-shadow .3s, transform .3s;
        display: flex;
        flex-direction: column;
    }
    .review-card:nth-child(2) { background: #FBF9F6; }
    .review-card:hover {
        box-shadow: var(--shadow-lg);
        transform: translateY(-4px);
    }
    .review-top {
        display: flex;
        align-items: center;
        gap: 14px;
        margin-bottom: 14px;
    }
    .review-avatar {
        width: 42px;
        height: 42px;
        border-radius: 50%;
        background: linear-gradient(135deg, var(--primary), var(--primary-deep));
        color: #fff;
        font-weight: 700;
        font-size: 16px;
        display: flex;
        align-items: center;
        justify-content: center;
        flex-shrink: 0;
    }
    .review-stars {
        color: var(--accent);
        font-size: 14px;
        letter-spacing: 2px;
    }
    .review-name {
        font-size: 15px;
        font-weight: 600;
        color: var(--text);
    }
    .review-from {
        font-size: 12px;
        color: var(--text-light);
    }
    .review-text {
        font-size: 14px;
        line-height: 1.75;
        color: var(--text-light);
        flex: 1;
    }
    .review-source {
        margin-top: 16px;
        font-size: 12px;
        color: #B5AEC0;
    }
    /* FAQ */
    .faq-section { background: var(--surface); border-top: 1px solid var(--border); }
    .faq-list {
        max-width: 800px;
        margin: 0 auto;
        display: flex;
        flex-direction: column;
        gap: 0;
    }
    .faq-item {
        border-bottom: 1px solid var(--border);
    }
    .faq-item:first-child { border-top: 1px solid var(--border); }
    .faq-question {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 16px;
        padding: 22px 0;
        font-size: 16px;
        font-weight: 600;
        color: var(--text);
        text-align: left;
        width: 100%;
        background: none;
        border: none;
        transition: color .2s;
    }
    .faq-question:hover { color: var(--primary); }
    .faq-icon {
        width: 26px;
        height: 26px;
        border-radius: 50%;
        background: var(--primary-light);
        color: var(--primary);
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 18px;
        font-weight: 400;
        flex-shrink: 0;
        transition: transform .3s, background .3s, color .3s;
    }
    .faq-item.active .faq-icon {
        transform: rotate(45deg);
        background: var(--primary);
        color: #fff;
    }
    .faq-answer {
        max-height: 0;
        overflow: hidden;
        transition: max-height .35s ease, padding .3s;
        padding: 0;
        font-size: 14px;
        line-height: 1.75;
        color: var(--text-light);
        background: linear-gradient(135deg, rgba(90,59,168,.03), #fff);
        border-radius: 0 0 var(--radius-sm) var(--radius-sm);
    }
    .faq-item.active .faq-answer {
        max-height: 400px;
        padding: 0 24px 22px;
    }
    /* News */
    .news-section { background: var(--bg); }
    .news-head {
        display: flex;
        align-items: center;
        justify-content: space-between;
        margin-bottom: 32px;
        flex-wrap: wrap;
        gap: 12px;
    }
    .news-head h2 {
        font-size: 28px;
        font-weight: 700;
        color: var(--text);
    }
    .news-more {
        font-size: 14px;
        font-weight: 600;
        color: var(--primary);
        display: inline-flex;
        align-items: center;
        gap: 4px;
        transition: color .2s;
    }
    .news-more:hover { color: var(--primary-deep); }
    .news-grid {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
    }
    .news-card {
        display: flex;
        gap: 20px;
        background: var(--surface);
        border: 1px solid var(--border);
        border-radius: var(--radius-md);
        padding: 16px;
        transition: box-shadow .3s, transform .3s, border-color .2s;
        overflow: hidden;
    }
    .news-card:hover {
        box-shadow: var(--shadow-lg);
        transform: translateY(-4px);
        border-color: rgba(90,59,168,.3);
    }
    .news-thumb {
        width: 220px;
        flex-shrink: 0;
        border-radius: var(--radius-sm);
        overflow: hidden;
        position: relative;
        background: linear-gradient(135deg, var(--primary-light), #F3EDFA);
    }
    .news-thumb img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: transform .4s ease;
    }
    .news-card:hover .news-thumb img { transform: scale(1.05); }
    .news-body {
        display: flex;
        flex-direction: column;
        min-width: 0;
        flex: 1;
    }
    .news-cat {
        display: inline-block;
        font-size: 12px;
        font-weight: 600;
        color: var(--primary);
        background: var(--primary-light);
        padding: 2px 10px;
        border-radius: 4px;
        margin-bottom: 8px;
        align-self: flex-start;
    }
    .news-body h3 {
        font-size: 16px;
        font-weight: 600;
        line-height: 1.5;
        color: var(--text);
        margin-bottom: 6px;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }
    .news-body h3 a:hover { color: var(--primary); }
    .news-body p {
        font-size: 14px;
        color: var(--text-light);
        line-height: 1.6;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
        margin-bottom: 10px;
        flex: 1;
    }
    .news-foot {
        display: flex;
        align-items: center;
        justify-content: space-between;
        font-size: 12px;
        color: var(--text-light);
    }
    .news-link {
        color: var(--primary);
        font-weight: 600;
        display: inline-flex;
        align-items: center;
        gap: 4px;
        transition: gap .2s, color .2s;
    }
    .news-link:hover { gap: 8px; color: var(--primary-deep); }
    .news-empty {
        text-align: center;
        padding: 60px 24px;
        background: var(--surface);
        border: 1px dashed var(--border);
        border-radius: var(--radius-md);
        color: var(--text-light);
    }
    .news-empty .empty-icon {
        width: 64px;
        height: 64px;
        margin: 0 auto 16px;
        border-radius: 50%;
        background: var(--primary-light);
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 26px;
    }
    .news-empty p { font-size: 15px; }
    /* CTA */
    .cta-section {
        position: relative;
        padding: 90px 0;
        background-image: url('/assets/images/backpic/back-2.webp');
        background-size: cover;
        background-position: center;
        text-align: center;
        overflow: hidden;
    }
    .cta-section::before {
        content: '';
        position: absolute;
        inset: 0;
        background: linear-gradient(135deg, rgba(34,26,45,.94), rgba(59,37,107,.88));
    }
    .cta-inner {
        position: relative;
        z-index: 2;
    }
    .cta-inner h2 {
        font-size: 32px;
        font-weight: 700;
        color: #fff;
        margin-bottom: 12px;
        letter-spacing: 1px;
    }
    .cta-inner > p {
        font-size: 16px;
        color: rgba(255,255,255,.7);
        margin-bottom: 36px;
        max-width: 600px;
        margin-left: auto;
        margin-right: auto;
    }
    .cta-buttons {
        display: flex;
        gap: 16px;
        justify-content: center;
        flex-wrap: wrap;
        margin-bottom: 36px;
    }
    .cta-info {
        color: rgba(255,255,255,.55);
        font-size: 14px;
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
        flex-wrap: wrap;
    }
    .cta-info .qr-tip {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        background: rgba(255,255,255,.1);
        border: 1px solid rgba(232,163,61,.3);
        border-radius: var(--radius-pill);
        padding: 5px 14px;
        color: #F0C078;
        font-weight: 500;
    }
    /* Footer */
    .site-footer {
        background: var(--dark);
        color: rgba(255,255,255,.7);
        padding: 60px 0 30px;
    }
    .footer-top {
        display: grid;
        grid-template-columns: 1.4fr 1fr;
        gap: 60px;
        padding-bottom: 40px;
        border-bottom: 1px solid rgba(255,255,255,.08);
    }
    .footer-brand .footer-logo {
        font-size: 20px;
        font-weight: 700;
        color: #fff;
        display: flex;
        align-items: center;
        gap: 10px;
        margin-bottom: 14px;
    }
    .footer-brand .footer-logo .brand-icon {
        background: linear-gradient(135deg, var(--primary), var(--primary-deep));
        color: var(--accent);
    }
    .footer-brand p {
        font-size: 14px;
        line-height: 1.7;
        color: rgba(255,255,255,.55);
        max-width: 360px;
    }
    .footer-cols {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 30px;
    }
    .footer-col h4 {
        font-size: 15px;
        font-weight: 600;
        color: #fff;
        margin-bottom: 16px;
    }
    .footer-col ul { display: flex; flex-direction: column; gap: 10px; }
    .footer-col a {
        font-size: 14px;
        color: rgba(255,255,255,.55);
        transition: color .2s;
    }
    .footer-col a:hover { color: var(--accent); }
    .footer-bottom {
        padding-top: 24px;
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 10px;
        flex-wrap: wrap;
        font-size: 13px;
        color: rgba(255,255,255,.4);
    }
    .footer-bottom .footer-domain {
        color: rgba(255,255,255,.3);
    }
    /* Responsive */
    @media (max-width: 1024px) {
        :root { --space-section: 64px; }
        .hero-inner { grid-template-columns: 1fr; gap: 40px; text-align: center; }
        .hero-content { max-width: 700px; margin: 0 auto; }
        .hero-actions { justify-content: center; }
        .hero-meta { justify-content: center; }
        .hero-visual { max-width: 600px; margin: 0 auto; }
        .features-wrap { grid-template-columns: 1fr; gap: 40px; }
        .features-visual { max-width: 600px; margin: 0 auto; }
        .carousel-slide img { height: 380px; }
        .reviews-grid { gap: 16px; }
        .review-card { padding: 20px; }
        .news-grid { grid-template-columns: 1fr; }
        .news-thumb { width: 180px; }
        .search-box { display: none; }
    }
    @media (max-width: 768px) {
        :root { --space-section: 48px; --header-h: 56px; }
        .main-nav { display: none; }
        .header-actions .btn-sm { display: none; }
        .mobile-toggle { display: flex; }
        .hero { min-height: 520px; }
        .hero-inner { padding: 48px 20px; }
        .hero-content h1 { font-size: 30px; }
        .hero-sub { font-size: 16px; }
        .hero-shot img { height: 260px; }
        .section-head h2 { font-size: 24px; }
        .req-grid { grid-template-columns: 1fr; max-width: 560px; }
        .reviews-grid { grid-template-columns: 1fr; max-width: 480px; margin: 0 auto; }
        .news-grid { grid-template-columns: 1fr; }
        .news-card { flex-direction: column; }
        .news-thumb { width: 100%; height: 180px; }
        .footer-top { grid-template-columns: 1fr; gap: 32px; }
        .footer-cols { grid-template-columns: 1fr 1fr; }
        .cta-inner h2 { font-size: 26px; }
        .cta-buttons { flex-direction: column; align-items: center; }
        .cta-buttons .btn { width: 100%; max-width: 320px; }
    }
    @media (max-width: 576px) {
        .container { padding: 0 16px; }
        .carousel-slide img { height: 240px; }
        .carousel-caption { padding: 20px; }
        .hero-actions { flex-direction: column; width: 100%; }
        .hero-actions .btn { width: 100%; }
        .hero-visual { display: none; }
        .feature-item { gap: 16px; padding: 18px 14px; }
        .feature-num { width: 32px; height: 32px; font-size: 13px; }
        .feature-content h3 { font-size: 18px; }
        .news-body h3 { font-size: 15px; }
        .footer-cols { grid-template-columns: 1fr; }
    }

/* roulang page: category1 */
:root {
        --primary: #5A3BA8;
        --primary-deep: #3B256B;
        --primary-soft: #EDE7F6;
        --accent: #E8A33D;
        --accent-light: #FDF2E0;
        --bg: #F7F5F2;
        --surface: #FFFFFF;
        --dark: #221A2D;
        --text: #2B2233;
        --text-light: #6E6875;
        --border: #E5E0EB;
        --success: #2F9E77;
        --warning: #C97C12;
        --error: #C43D3D;
        --radius-sm: 6px;
        --radius-md: 10px;
        --radius-lg: 14px;
        --shadow-card: 0 1px 4px rgba(35, 26, 46, 0.06);
        --shadow-float: 0 2px 10px rgba(35, 26, 46, 0.08);
        --shadow-hover: 0 14px 30px rgba(35, 26, 46, 0.14);
        --container-w: 1200px;
        --spacer: 80px;
        --t-title: -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
    }

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

    html {
        scroll-behavior: smooth;
    }

    body {
        font-family: var(--t-title);
        font-size: 16px;
        font-weight: 400;
        line-height: 1.75;
        color: var(--text);
        background-color: var(--bg);
        -webkit-font-smoothing: antialiased;
    }

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

    a {
        color: var(--primary);
        text-decoration: none;
        transition: all 0.25s ease;
    }

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

    ul,
    ol {
        list-style: none;
    }

    button,
    input {
        font-family: inherit;
        border: none;
        outline: none;
    }

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

    /* ========== 按钮 ========== */
    .btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        height: 46px;
        padding: 0 34px;
        border-radius: var(--radius-sm);
        font-size: 15px;
        font-weight: 600;
        cursor: pointer;
        transition: all 0.25s ease;
        border: 1px solid transparent;
        text-align: center;
    }

    .btn-primary {
        background-color: var(--primary);
        color: #fff;
    }

    .btn-primary:hover {
        background-color: var(--primary-deep);
        color: #fff;
        transform: translateY(-1px);
        box-shadow: var(--shadow-float);
    }

    .btn-accent {
        background-color: var(--accent);
        color: #2E1238;
    }

    .btn-accent:hover {
        background-color: #F0B04F;
        color: #2E1238;
        transform: translateY(-1px);
        box-shadow: 0 8px 20px rgba(232, 163, 61, 0.35);
    }

    .btn-outline-light {
        background: rgba(255, 255, 255, 0.08);
        color: #fff;
        border-color: rgba(255, 255, 255, 0.6);
    }

    .btn-outline-light:hover {
        background: rgba(255, 255, 255, 0.16);
        color: #fff;
    }

    .btn-outline-primary {
        background: #fff;
        color: var(--primary);
        border-color: var(--primary);
    }

    .btn-outline-primary:hover {
        background: var(--primary-soft);
        color: var(--primary-deep);
    }

    .btn-block {
        width: 100%;
    }

    .btn:active {
        transform: translateY(1px);
    }

    /* ========== 导航 ========== */
    .site-header {
        background: #fff;
        border-bottom: 1px solid var(--border);
        position: sticky;
        top: 0;
        z-index: 1000;
        transition: box-shadow 0.3s ease;
    }

    .site-header.scrolled {
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
    }

    .header-inner {
        display: flex;
        align-items: center;
        justify-content: space-between;
        height: 64px;
        gap: 20px;
    }

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

    .brand-icon {
        width: 28px;
        height: 28px;
        background: var(--primary);
        color: var(--accent);
        border-radius: 8px;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 15px;
        font-weight: 800;
    }

    .brand-name {
        font-size: 18px;
        font-weight: 700;
        color: var(--text);
        letter-spacing: 0.5px;
        white-space: nowrap;
    }

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

    .nav-link {
        font-size: 15px;
        font-weight: 500;
        color: var(--text);
        padding: 8px 16px;
        border-radius: 999px;
        transition: all 0.25s ease;
        line-height: 1.4;
    }

    .nav-link:hover {
        color: var(--primary);
        background: var(--primary-soft);
    }

    .nav-link.active {
        color: var(--primary);
        background: var(--primary-soft);
        font-weight: 600;
    }

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

    .search-box {
        display: flex;
        align-items: center;
        background: var(--bg);
        border: 1px solid var(--border);
        border-radius: 4px;
        padding: 0 10px;
        width: 200px;
        height: 36px;
        transition: border-color 0.25s, box-shadow 0.25s;
    }

    .search-box:focus-within {
        border-color: var(--primary);
        box-shadow: 0 0 0 2px rgba(90, 59, 168, 0.15);
    }

    .search-box .fa-search {
        color: var(--text-light);
        font-size: 13px;
        margin-right: 6px;
    }

    .search-box input {
        flex: 1;
        background: transparent;
        border: none;
        font-size: 13px;
        color: var(--text);
        height: 100%;
    }

    .search-box input::placeholder {
        color: #A9A3AE;
    }

    .header-cta {
        height: 38px;
        padding: 0 22px;
        font-size: 14px;
        border-radius: 6px;
    }

    .nav-toggle {
        display: none;
        width: 40px;
        height: 40px;
        border-radius: 8px;
        background: var(--bg);
        color: var(--text);
        font-size: 18px;
        align-items: center;
        justify-content: center;
        cursor: pointer;
    }

    /* 移动端抽屉 */
    .mobile-menu {
        display: none;
        position: fixed;
        inset: 0;
        background: rgba(34, 26, 45, 0.5);
        z-index: 1100;
        opacity: 0;
        pointer-events: none;
        transition: opacity 0.3s ease;
    }

    .mobile-menu.open {
        opacity: 1;
        pointer-events: auto;
    }

    .mobile-menu-panel {
        position: absolute;
        top: 0;
        right: 0;
        width: 300px;
        max-width: 85%;
        height: 100vh;
        background: #fff;
        padding: 24px;
        display: flex;
        flex-direction: column;
        gap: 24px;
        transform: translateX(100%);
        transition: transform 0.3s ease;
        box-shadow: -10px 0 40px rgba(0, 0, 0, 0.15);
    }

    .mobile-menu.open .mobile-menu-panel {
        transform: translateX(0);
    }

    .mobile-menu-header {
        display: flex;
        align-items: center;
        justify-content: space-between;
    }

    .mobile-menu-close {
        width: 36px;
        height: 36px;
        border-radius: 50%;
        background: var(--bg);
        display: flex;
        align-items: center;
        justify-content: center;
        cursor: pointer;
        font-size: 16px;
        color: var(--text);
    }

    .mobile-menu-items {
        display: flex;
        flex-direction: column;
        gap: 8px;
    }

    .mobile-menu-items .nav-link {
        padding: 12px 16px;
        border-radius: 8px;
        font-size: 15px;
    }

    .mobile-menu .search-box {
        width: 100%;
        height: 42px;
    }

    .mobile-menu .header-cta {
        width: 100%;
        height: 46px;
    }

    /* ========== Hero / 横幅 ========== */
    .category-hero {
        position: relative;
        background: linear-gradient(135deg, #4B2E85 0%, #2A1A48 100%);
        color: #fff;
        padding: 96px 0 88px;
        overflow: hidden;
    }

    .category-hero::before {
        content: '';
        position: absolute;
        inset: 0;
        background-image: url('/assets/images/backpic/back-1.webp');
        background-size: cover;
        background-position: center;
        opacity: 0.35;
    }

    .category-hero::after {
        content: '';
        position: absolute;
        inset: 0;
        background: linear-gradient(90deg, rgba(59, 37, 107, 0.92) 0%, rgba(74, 47, 133, 0.75) 55%, rgba(90, 59, 168, 0.45) 100%);
    }

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

    .hero-breadcrumb {
        display: flex;
        align-items: center;
        gap: 8px;
        font-size: 14px;
        color: rgba(255, 255, 255, 0.7);
        margin-bottom: 20px;
    }

    .hero-breadcrumb a {
        color: rgba(255, 255, 255, 0.7);
    }

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

    .hero-breadcrumb .sep {
        opacity: 0.5;
    }

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

    .category-hero h1 {
        font-size: 44px;
        font-weight: 800;
        line-height: 1.2;
        margin-bottom: 18px;
        letter-spacing: 1px;
    }

    .category-hero h1 .highlight {
        color: var(--accent);
    }

    .category-hero .hero-desc {
        font-size: 16px;
        max-width: 680px;
        color: rgba(255, 255, 255, 0.85);
        margin-bottom: 32px;
        line-height: 1.85;
    }

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

    .hero-badge {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        padding: 6px 18px;
        border-radius: 999px;
        background: rgba(255, 255, 255, 0.1);
        border: 1px solid rgba(255, 255, 255, 0.2);
        font-size: 13px;
        color: rgba(255, 255, 255, 0.9);
        backdrop-filter: blur(6px);
    }

    .hero-badge i {
        color: var(--accent);
    }

    /* ========== 板块 ========== */
    .section {
        padding: var(--spacer) 0;
    }

    .section-alt {
        background: #fff;
    }

    .section-head {
        text-align: center;
        margin-bottom: 48px;
    }

    .section-head .section-subtitle {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        font-size: 13px;
        font-weight: 600;
        color: var(--primary);
        background: var(--primary-soft);
        padding: 5px 16px;
        border-radius: 999px;
        margin-bottom: 14px;
        letter-spacing: 1px;
    }

    .section-head h2 {
        font-size: 32px;
        font-weight: 800;
        color: var(--text);
        line-height: 1.3;
        margin-bottom: 12px;
    }

    .section-head p {
        font-size: 15px;
        color: var(--text-light);
        max-width: 640px;
        margin: 0 auto;
        line-height: 1.8;
    }

    /* ========== 内容介绍区：双列图文 ========== */
    .content-split {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 60px;
        align-items: center;
    }

    .content-split.reverse {
        direction: rtl;
    }

    .content-split.reverse>* {
        direction: ltr;
    }

    .content-visual {
        position: relative;
        border-radius: var(--radius-lg);
        overflow: hidden;
        box-shadow: var(--shadow-hover);
    }

    .content-visual img {
        width: 100%;
        height: 360px;
        object-fit: cover;
    }

    .content-visual .visual-tag {
        position: absolute;
        top: 16px;
        left: 16px;
        background: rgba(90, 59, 168, 0.9);
        color: #fff;
        font-size: 12px;
        font-weight: 600;
        padding: 5px 14px;
        border-radius: 999px;
        backdrop-filter: blur(4px);
    }

    .content-info .tag-label {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        font-size: 13px;
        color: var(--accent);
        font-weight: 700;
        letter-spacing: 1px;
        text-transform: uppercase;
        margin-bottom: 12px;
    }

    .content-info h3 {
        font-size: 24px;
        font-weight: 700;
        color: var(--text);
        line-height: 1.4;
        margin-bottom: 16px;
    }

    .content-info p {
        font-size: 15px;
        color: var(--text-light);
        line-height: 1.85;
        margin-bottom: 16px;
    }

    .feature-list {
        margin-top: 20px;
    }

    .feature-list li {
        display: flex;
        align-items: flex-start;
        gap: 12px;
        padding: 10px 0;
        border-bottom: 1px solid var(--border);
        font-size: 15px;
    }

    .feature-list li:last-child {
        border-bottom: none;
    }

    .feature-list li i {
        width: 22px;
        height: 22px;
        border-radius: 50%;
        background: var(--primary-soft);
        color: var(--primary);
        font-size: 10px;
        display: flex;
        align-items: center;
        justify-content: center;
        flex-shrink: 0;
        margin-top: 4px;
    }

    .feature-list li strong {
        color: var(--text);
        font-weight: 600;
    }

    /* ========== 高频条目：2x2 网格 ========== */
    .grid-2x2 {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 24px;
    }

    .feature-card {
        background: var(--surface);
        padding: 32px 28px;
        border-radius: var(--radius-md);
        border: 1px solid var(--border);
        box-shadow: var(--shadow-card);
        transition: all 0.3s ease;
        position: relative;
        overflow: hidden;
    }

    .feature-card::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        height: 3px;
        background: linear-gradient(90deg, var(--primary), var(--accent));
        opacity: 0;
        transition: opacity 0.3s;
    }

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

    .feature-card:hover::before {
        opacity: 1;
    }

    .feature-card-icon {
        width: 48px;
        height: 48px;
        border-radius: 12px;
        background: var(--primary-soft);
        color: var(--primary);
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 20px;
        margin-bottom: 18px;
    }

    .feature-card:nth-child(2) .feature-card-icon,
    .feature-card:nth-child(3) .feature-card-icon {
        background: var(--accent-light);
        color: var(--accent);
    }

    .feature-card h3 {
        font-size: 18px;
        font-weight: 700;
        color: var(--text);
        margin-bottom: 10px;
    }

    .feature-card p {
        font-size: 14px;
        color: var(--text-light);
        line-height: 1.75;
    }

    .feature-card .feature-more {
        display: inline-flex;
        align-items: center;
        gap: 4px;
        font-size: 13px;
        color: var(--primary);
        font-weight: 600;
        margin-top: 14px;
        transition: gap 0.25s;
    }

    .feature-card .feature-more:hover {
        gap: 8px;
    }

    /* ========== 流程 ========== */
    .steps-wrap {
        max-width: 860px;
        margin: 0 auto;
        position: relative;
    }

    .steps-wrap::before {
        content: '';
        position: absolute;
        top: 28px;
        bottom: 28px;
        left: 27px;
        width: 2px;
        background: linear-gradient(to bottom, var(--primary), var(--accent));
        opacity: 0.15;
    }

    .step-item {
        display: flex;
        gap: 24px;
        padding: 20px 0;
        position: relative;
    }

    .step-num {
        width: 56px;
        height: 56px;
        border-radius: 50%;
        background: var(--surface);
        border: 2px solid var(--primary-soft);
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 18px;
        font-weight: 800;
        color: var(--primary);
        flex-shrink: 0;
        z-index: 1;
        box-shadow: 0 0 0 4px var(--bg);
    }

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

    .step-info {
        padding-top: 6px;
    }

    .step-info h3 {
        font-size: 18px;
        font-weight: 700;
        color: var(--text);
        margin-bottom: 6px;
    }

    .step-info p {
        font-size: 15px;
        color: var(--text-light);
        max-width: 500px;
        line-height: 1.8;
    }

    /* ========== 关联引导 ========== */
    .guide-banner {
        background: linear-gradient(120deg, var(--primary) 0%, var(--primary-deep) 100%);
        border-radius: var(--radius-lg);
        padding: 48px;
        text-align: center;
        color: #fff;
    }

    .guide-banner h3 {
        font-size: 26px;
        font-weight: 700;
        margin-bottom: 12px;
    }

    .guide-banner p {
        color: rgba(255, 255, 255, 0.8);
        font-size: 15px;
        margin-bottom: 28px;
        max-width: 520px;
        margin-left: auto;
        margin-right: auto;
    }

    .guide-actions {
        display: flex;
        gap: 16px;
        justify-content: center;
        flex-wrap: wrap;
    }

    /* ========== FAQ ========== */
    .faq-wrap {
        max-width: 800px;
        margin: 0 auto;
    }

    .faq-item {
        background: var(--surface);
        border: 1px solid var(--border);
        border-radius: var(--radius-md);
        margin-bottom: 14px;
        overflow: hidden;
        transition: box-shadow 0.25s;
    }

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

    .faq-item.open {
        box-shadow: var(--shadow-float);
        border-color: var(--primary);
    }

    .faq-question {
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding: 20px 24px;
        cursor: pointer;
        font-size: 16px;
        font-weight: 600;
        color: var(--text);
        gap: 16px;
        user-select: none;
    }

    .faq-question .faq-icon {
        width: 14px;
        height: 14px;
        border-radius: 50%;
        border: 2px solid var(--primary);
        position: relative;
        flex-shrink: 0;
    }

    .faq-question .faq-icon::before {
        content: '';
        position: absolute;
        top: 50%;
        left: 50%;
        transform: translate(-50%, -50%);
        width: 8px;
        height: 2px;
        background: var(--primary);
    }

    .faq-question .faq-icon::after {
        content: '';
        position: absolute;
        top: 50%;
        left: 50%;
        transform: translate(-50%, -50%);
        width: 2px;
        height: 8px;
        background: var(--primary);
        transition: transform 0.25s;
    }

    .faq-item.open .faq-icon::after {
        transform: translate(-50%, -50%) scaleY(0);
    }

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

    .faq-item.open .faq-answer {
        max-height: 500px;
    }

    .faq-answer-inner {
        padding: 0 24px 24px;
        font-size: 15px;
        color: var(--text-light);
        line-height: 1.85;
        border-top: 1px solid var(--border);
        padding-top: 18px;
        margin-top: 0;
        background: linear-gradient(90deg, rgba(237, 231, 246, 0.4) 0%, #fff 100%);
    }

    /* ========== CTA ========== */
    .cta-section {
        background: var(--dark);
        padding: 72px 0;
        position: relative;
        overflow: hidden;
    }

    .cta-section::before {
        content: '';
        position: absolute;
        inset: 0;
        background-image: url('/assets/images/backpic/back-2.webp');
        background-size: cover;
        background-position: center;
        opacity: 0.15;
    }

    .cta-section::after {
        content: '';
        position: absolute;
        inset: 0;
        background: linear-gradient(90deg, rgba(34, 26, 45, 0.96), rgba(59, 37, 107, 0.85));
    }

    .cta-section .container {
        position: relative;
        z-index: 2;
        text-align: center;
    }

    .cta-section h2 {
        color: #fff;
        font-size: 32px;
        font-weight: 800;
        margin-bottom: 14px;
    }

    .cta-section p {
        color: rgba(255, 255, 255, 0.75);
        font-size: 16px;
        margin-bottom: 32px;
        max-width: 560px;
        margin-left: auto;
        margin-right: auto;
    }

    .cta-buttons {
        display: flex;
        gap: 16px;
        justify-content: center;
        flex-wrap: wrap;
    }

    .version-meta {
        margin-top: 24px;
        font-size: 13px;
        color: rgba(255, 255, 255, 0.45);
    }

    /* ========== 页脚 ========== */
    .site-footer {
        background: var(--dark);
        color: #A79FB1;
        padding: 56px 0 0;
        border-top: 3px solid var(--primary);
    }

    .footer-top {
        display: grid;
        grid-template-columns: 1.4fr 1fr;
        gap: 48px;
        padding-bottom: 48px;
        border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    }

    .footer-brand .footer-logo {
        display: inline-flex;
        align-items: center;
        gap: 10px;
        font-size: 20px;
        font-weight: 700;
        color: #fff;
        margin-bottom: 14px;
    }

    .footer-brand .footer-logo .brand-icon {
        width: 32px;
        height: 32px;
        background: var(--primary);
        border-radius: 8px;
    }

    .footer-brand p {
        font-size: 14px;
        line-height: 1.85;
        color: #8B8398;
        max-width: 420px;
    }

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

    .footer-col h4 {
        color: #fff;
        font-size: 14px;
        font-weight: 600;
        margin-bottom: 18px;
        letter-spacing: 1px;
    }

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

    .footer-col ul li a {
        color: #8B8398;
        font-size: 14px;
        transition: color 0.25s;
    }

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

    .footer-bottom {
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding: 20px 0;
        font-size: 13px;
        color: #6E6875;
    }

    .footer-domain {
        letter-spacing: 0.5px;
    }

    /* ========== 响应式 ========== */
    @media (max-width: 1024px) {
        .search-box {
            width: 160px;
        }
        .nav-link {
            padding: 8px 12px;
            font-size: 14px;
        }
        .content-split {
            gap: 40px;
        }
        .category-hero h1 {
            font-size: 36px;
        }
    }

    @media (max-width: 768px) {
        .container {
            padding: 0 18px;
        }
        .section {
            padding: 48px 0;
        }
        .header-inner {
            height: 56px;
        }
        .main-nav,
        .header-actions .search-box,
        .header-actions .header-cta {
            display: none;
        }
        .nav-toggle {
            display: flex;
        }
        .category-hero {
            padding: 64px 0 56px;
        }
        .category-hero h1 {
            font-size: 30px;
        }
        .category-hero .hero-desc {
            font-size: 15px;
        }
        .section-head h2 {
            font-size: 24px;
        }
        .content-split {
            grid-template-columns: 1fr;
            gap: 32px;
        }
        .content-visual img {
            height: 240px;
        }
        .grid-2x2 {
            grid-template-columns: 1fr;
        }
        .footer-top {
            grid-template-columns: 1fr;
            gap: 32px;
        }
        .footer-cols {
            grid-template-columns: 1fr;
            gap: 24px;
        }
        .footer-bottom {
            flex-direction: column;
            gap: 8px;
            text-align: center;
        }
        .guide-banner {
            padding: 32px 20px;
        }
        .guide-banner h3 {
            font-size: 20px;
        }
        .btn {
            padding: 0 24px;
            height: 44px;
        }
        .cta-buttons .btn {
            width: 100%;
        }
        .step-item {
            gap: 16px;
        }
        .step-num {
            width: 48px;
            height: 48px;
            font-size: 16px;
        }
        .steps-wrap::before {
            left: 23px;
        }
        .faq-question {
            padding: 16px 18px;
            font-size: 15px;
        }
        .faq-answer-inner {
            padding: 14px 18px 18px;
        }
    }

    @media (max-width: 480px) {
        .container {
            padding: 0 14px;
        }
        .category-hero h1 {
            font-size: 26px;
        }
        .hero-badge {
            font-size: 12px;
            padding: 5px 12px;
        }
        .content-visual img {
            height: 200px;
        }
        .feature-card {
            padding: 24px 20px;
        }
        .guide-actions {
            flex-direction: column;
            align-items: center;
        }
        .guide-actions .btn {
            width: 100%;
        }
        .section-head {
            margin-bottom: 32px;
        }
    }

/* roulang page: category2 */
:root {
            --primary: #5A3BA8;
            --primary-deep: #3B256B;
            --accent: #E8A33D;
            --bg: #F7F5F2;
            --surface: #FFFFFF;
            --dark: #221A2D;
            --text: #2B2233;
            --text-light: #6E6875;
            --border: #E5E0EB;
            --success: #2F9E77;
            --warning: #C97C12;
            --error: #C43D3D;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 14px;
            --shadow-sm: 0 1px 4px rgba(35, 26, 46, 0.06);
            --shadow-hover: 0 14px 30px rgba(35, 26, 46, 0.14);
            --transition: all 0.25s ease;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            background: var(--bg);
            color: var(--text);
            line-height: 1.75;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            display: block;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition);
        }
        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
            transition: var(--transition);
        }
        input {
            font-family: inherit;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== Header ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: var(--surface);
            border-bottom: 1px solid var(--border);
            transition: box-shadow 0.3s;
        }
        .site-header.scrolled {
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            gap: 24px;
        }
        .brand {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .brand-icon {
            width: 32px;
            height: 32px;
            border-radius: 8px;
            background: linear-gradient(135deg, var(--primary), var(--primary-deep));
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 16px;
            box-shadow: 0 2px 8px rgba(90, 59, 168, 0.3);
        }
        .brand-name {
            font-size: 18px;
            font-weight: 700;
            color: var(--text);
            letter-spacing: 0.02em;
            white-space: nowrap;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 28px;
        }
        .nav-link {
            font-size: 15px;
            font-weight: 600;
            color: var(--text);
            padding: 8px 4px;
            position: relative;
            white-space: nowrap;
        }
        .nav-link::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
            transform: scaleX(0);
            transition: transform 0.25s;
        }
        .nav-link:hover {
            color: var(--primary);
        }
        .nav-link:hover::after,
        .nav-link.active::after {
            transform: scaleX(1);
        }
        .nav-link.active {
            color: var(--primary);
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-shrink: 0;
        }
        .search-box {
            display: flex;
            align-items: center;
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            height: 38px;
            padding: 0 12px;
            gap: 8px;
            transition: border-color 0.25s, box-shadow 0.25s;
        }
        .search-box:focus-within {
            border-color: var(--primary);
            box-shadow: 0 0 0 2px rgba(90, 59, 168, 0.15);
        }
        .search-box input {
            border: none;
            background: transparent;
            outline: none;
            font-size: 14px;
            width: 130px;
            color: var(--text);
        }
        .search-box input::placeholder {
            color: var(--text-light);
        }
        .search-box .search-btn {
            width: 18px;
            height: 18px;
            position: relative;
            flex-shrink: 0;
        }
        .search-box .search-btn::before {
            content: '';
            position: absolute;
            width: 10px;
            height: 10px;
            border: 2px solid var(--text-light);
            border-radius: 50%;
            top: 2px;
            left: 2px;
        }
        .search-box .search-btn::after {
            content: '';
            position: absolute;
            width: 6px;
            height: 2px;
            background: var(--text-light);
            border-radius: 2px;
            bottom: 3px;
            right: 2px;
            transform: rotate(45deg);
        }
        .search-box .search-btn:hover::before,
        .search-box .search-btn:hover::after {
            border-color: var(--primary);
            background: var(--primary);
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            height: 46px;
            padding: 0 34px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 600;
            line-height: 1;
            transition: var(--transition);
            border: 1px solid transparent;
            gap: 8px;
            white-space: nowrap;
        }
        .btn-accent {
            background: var(--accent);
            color: #2E1238;
        }
        .btn-accent:hover {
            filter: brightness(1.08);
            transform: translateY(-1px);
            box-shadow: 0 6px 20px rgba(232, 163, 61, 0.35);
        }
        .btn-accent:active {
            transform: translateY(1px);
        }
        .btn-primary {
            background: var(--primary);
            color: #fff;
        }
        .btn-primary:hover {
            background: var(--primary-deep);
            transform: translateY(-1px);
            box-shadow: 0 6px 20px rgba(90, 59, 168, 0.35);
        }
        .btn-primary:active {
            transform: translateY(1px);
        }
        .btn-ghost {
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
            border-color: rgba(255, 255, 255, 0.5);
        }
        .btn-ghost:hover {
            background: rgba(255, 255, 255, 0.14);
            border-color: #fff;
        }
        .btn-ghost:active {
            transform: translateY(1px);
        }
        .btn-outline {
            background: var(--surface);
            color: var(--primary);
            border-color: var(--primary);
        }
        .btn-outline:hover {
            background: rgba(90, 59, 168, 0.08);
        }
        .btn-sm {
            height: 38px;
            padding: 0 20px;
            font-size: 14px;
        }
        .btn-lg {
            height: 54px;
            padding: 0 48px;
            font-size: 17px;
            border-radius: 8px;
        }
        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
        }
        .nav-toggle span {
            width: 22px;
            height: 2px;
            background: var(--text);
            border-radius: 2px;
            transition: var(--transition);
        }
        .mobile-menu {
            display: none;
            position: absolute;
            top: 64px;
            left: 0;
            right: 0;
            background: var(--surface);
            border-bottom: 1px solid var(--border);
            padding: 20px 24px 28px;
            box-shadow: 0 12px 24px rgba(0, 0, 0, 0.08);
            z-index: 99;
        }
        .mobile-menu.open {
            display: block;
        }
        .mobile-menu .mobile-nav {
            display: flex;
            flex-direction: column;
            gap: 4px;
            margin-bottom: 16px;
        }
        .mobile-menu .mobile-nav a {
            padding: 10px 0;
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            border-bottom: 1px solid var(--border);
        }
        .mobile-menu .mobile-nav a.active {
            color: var(--primary);
        }
        .mobile-menu .mobile-nav a:hover {
            color: var(--primary);
        }
        .mobile-menu .mobile-search {
            display: flex;
            gap: 8px;
            margin-bottom: 16px;
        }
        .mobile-menu .mobile-search input {
            flex: 1;
            height: 40px;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 0 14px;
            font-size: 14px;
            background: var(--bg);
            outline: none;
            transition: border-color 0.25s, box-shadow 0.25s;
        }
        .mobile-menu .mobile-search input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 2px rgba(90, 59, 168, 0.15);
        }
        .mobile-menu .mobile-search button {
            height: 40px;
            padding: 0 20px;
            border-radius: var(--radius-sm);
            background: var(--primary);
            color: #fff;
            font-weight: 600;
            font-size: 14px;
        }
        .mobile-menu .btn {
            width: 100%;
        }

        /* ===== 分类页 Hero ===== */
        .cat-hero {
            position: relative;
            padding: 100px 0 90px;
            background: linear-gradient(135deg, var(--primary-deep) 0%, var(--primary) 60%, #6a4bbd 100%);
            overflow: hidden;
        }
        .cat-hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(120deg, rgba(34, 26, 45, 0.82) 0%, rgba(59, 37, 107, 0.68) 50%, rgba(90, 59, 168, 0.45) 100%);
            z-index: 1;
        }
        .cat-hero-bg {
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            z-index: 0;
        }
        .cat-hero .container {
            position: relative;
            z-index: 2;
        }
        .cat-hero-inner {
            max-width: 720px;
        }
        .cat-hero .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid rgba(232, 163, 61, 0.5);
            color: var(--accent);
            border-radius: 999px;
            padding: 6px 18px;
            font-size: 13px;
            font-weight: 600;
            margin-bottom: 24px;
            letter-spacing: 0.04em;
        }
        .cat-hero h1 {
            font-size: 44px;
            font-weight: 800;
            line-height: 1.2;
            color: #fff;
            margin-bottom: 20px;
        }
        .cat-hero h1 .accent-text {
            color: var(--accent);
        }
        .cat-hero .hero-desc {
            font-size: 17px;
            color: rgba(255, 255, 255, 0.88);
            line-height: 1.75;
            margin-bottom: 34px;
            max-width: 640px;
        }
        .cat-hero-btns {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        /* ===== 数据概览 ===== */
        .cat-stats {
            padding: 70px 0 50px;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .stat-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 30px 24px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }
        .stat-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .stat-num {
            display: block;
            font-size: 40px;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.1;
            margin-bottom: 8px;
        }
        .stat-num span {
            font-size: 20px;
            margin-left: 2px;
            color: var(--accent);
        }
        .stat-label {
            font-size: 14px;
            color: var(--text-light);
            font-weight: 500;
        }
        .stat-card .stat-icon {
            width: 44px;
            height: 44px;
            border-radius: 10px;
            background: linear-gradient(135deg, rgba(90, 59, 168, 0.12), rgba(232, 163, 61, 0.1));
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 14px;
            font-size: 20px;
        }

        /* ===== 板块标题 ===== */
        .section-title {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-title h2 {
            font-size: 30px;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--text);
        }
        .section-title p {
            color: var(--text-light);
            font-size: 15px;
            max-width: 680px;
            margin: 0 auto;
        }
        .section-title .title-line {
            width: 48px;
            height: 3px;
            background: var(--accent);
            border-radius: 4px;
            margin: 0 auto 20px;
        }

        /* ===== 版本亮点 ===== */
        .cat-spotlight {
            padding: 60px 0;
        }
        .spotlight-items {
            display: flex;
            flex-direction: column;
            gap: 56px;
        }
        .spotlight-item {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
            background: var(--surface);
            border-radius: var(--radius-lg);
            padding: 40px;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }
        .spotlight-item:hover {
            box-shadow: var(--shadow-hover);
        }
        .spotlight-item.reverse {
            direction: rtl;
        }
        .spotlight-item.reverse>* {
            direction: ltr;
        }
        .spotlight-img {
            border-radius: var(--radius-md);
            overflow: hidden;
            position: relative;
            aspect-ratio: 16 / 10;
            background: linear-gradient(135deg, var(--primary-deep), var(--primary));
        }
        .spotlight-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .spotlight-img .img-tag {
            position: absolute;
            bottom: 14px;
            left: 14px;
            background: rgba(34, 26, 45, 0.78);
            color: var(--accent);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: 999px;
            border: 1px solid rgba(232, 163, 61, 0.4);
        }
        .spotlight-text .spot-tag {
            display: inline-block;
            background: rgba(90, 59, 168, 0.1);
            color: var(--primary);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 999px;
            margin-bottom: 14px;
            letter-spacing: 0.03em;
        }
        .spotlight-text h3 {
            font-size: 22px;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--text);
        }
        .spotlight-text p {
            color: var(--text-light);
            font-size: 15px;
            line-height: 1.8;
            margin-bottom: 16px;
        }
        .spotlight-text ul {
            list-style: none;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .spotlight-text ul li {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            color: var(--text);
        }
        .spotlight-text ul li::before {
            content: '';
            width: 18px;
            height: 18px;
            border-radius: 50%;
            background: rgba(90, 59, 168, 0.12);
            position: relative;
            flex-shrink: 0;
        }
        .spotlight-text ul li::after {
            content: '✓';
            position: absolute;
            margin-left: 0;
            font-size: 11px;
            color: var(--primary);
            font-weight: 700;
            left: 0;
            width: 18px;
            text-align: center;
            top: 50%;
            transform: translateY(-50%);
        }
        .spotlight-text ul li i {
            font-style: normal;
            color: var(--primary);
            font-weight: 700;
        }

        /* ===== 时间线 ===== */
        .cat-timeline {
            padding: 70px 0;
            background: var(--surface);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }
        .timeline-list {
            max-width: 860px;
            margin: 0 auto;
            position: relative;
            padding-left: 32px;
        }
        .timeline-list::before {
            content: '';
            position: absolute;
            left: 10px;
            top: 0;
            bottom: 0;
            width: 2px;
            background: linear-gradient(to bottom, var(--primary), var(--accent));
            border-radius: 2px;
        }
        .timeline-item {
            position: relative;
            padding: 0 0 40px 28px;
        }
        .timeline-item:last-child {
            padding-bottom: 0;
        }
        .timeline-item::before {
            content: '';
            position: absolute;
            left: -28px;
            top: 6px;
            width: 18px;
            height: 18px;
            border-radius: 50%;
            background: var(--surface);
            border: 3px solid var(--primary);
            box-shadow: 0 0 0 4px rgba(90, 59, 168, 0.12);
        }
        .timeline-item.featured::before {
            border-color: var(--accent);
            box-shadow: 0 0 0 5px rgba(232, 163, 61, 0.2);
        }
        .timeline-version {
            display: inline-block;
            font-size: 14px;
            font-weight: 700;
            color: var(--primary);
            background: rgba(90, 59, 168, 0.1);
            padding: 3px 12px;
            border-radius: 999px;
            margin-bottom: 8px;
        }
        .timeline-item.featured .timeline-version {
            color: #2E1238;
            background: var(--accent);
        }
        .timeline-content h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--text);
        }
        .timeline-content p {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.7;
            margin-bottom: 8px;
        }
        .timeline-date {
            font-size: 13px;
            color: var(--text-light);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .timeline-date::before {
            content: '';
            width: 14px;
            height: 14px;
            background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%236E6875' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Crect x='3' y='4' width='18' height='18' rx='2'/%3E%3Cline x1='16' y1='2' x2='16' y2='6'/%3E%3Cline x1='8' y1='2' x2='8' y2='6'/%3E%3Cline x1='3' y1='10' x2='21' y2='10'/%3E%3C/svg%3E") center/contain no-repeat;
        }

        /* ===== 高频条目 2×2 ===== */
        .cat-guide {
            padding: 70px 0;
        }
        .guide-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }
        .guide-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 34px;
            display: flex;
            gap: 20px;
            align-items: flex-start;
            transition: var(--transition);
            box-shadow: var(--shadow-sm);
        }
        .guide-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .guide-card:hover .guide-arrow {
            transform: translateX(4px);
            color: var(--primary);
        }
        .guide-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: linear-gradient(135deg, rgba(90, 59, 168, 0.1), rgba(232, 163, 61, 0.08));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            flex-shrink: 0;
        }
        .guide-body h3 {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--text);
        }
        .guide-body p {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.65;
            margin-bottom: 8px;
        }
        .guide-arrow {
            font-size: 13px;
            font-weight: 600;
            color: var(--text-light);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: var(--transition);
        }

        /* ===== 更新流程 ===== */
        .cat-process {
            padding: 70px 0;
            background: linear-gradient(135deg, var(--dark) 0%, #2e2440 100%);
            color: #fff;
        }
        .cat-process .section-title h2 {
            color: #fff;
        }
        .cat-process .section-title p {
            color: rgba(255, 255, 255, 0.7);
        }
        .cat-process .title-line {
            background: var(--accent);
        }
        .process-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            margin-top: 40px;
        }
        .process-step {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-md);
            padding: 32px 24px;
            text-align: center;
            transition: var(--transition);
            position: relative;
        }
        .process-step:hover {
            background: rgba(255, 255, 255, 0.1);
            transform: translateY(-4px);
            border-color: rgba(232, 163, 61, 0.4);
        }
        .step-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--accent);
            color: #2E1238;
            font-size: 18px;
            font-weight: 800;
            margin-bottom: 18px;
        }
        .process-step h3 {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 10px;
            color: #fff;
        }
        .process-step p {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.65);
            line-height: 1.7;
        }
        .process-step .step-arrow {
            position: absolute;
            top: 50%;
            right: -14px;
            transform: translateY(-50%);
            font-size: 18px;
            color: var(--accent);
            z-index: 2;
        }

        /* ===== FAQ ===== */
        .cat-faq {
            padding: 70px 0;
        }
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: rgba(90, 59, 168, 0.3);
        }
        .faq-item.open {
            border-color: rgba(90, 59, 168, 0.4);
            box-shadow: 0 4px 16px rgba(90, 59, 168, 0.06);
        }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 20px 24px;
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            background: transparent;
            text-align: left;
            gap: 16px;
        }
        .faq-question .faq-icon {
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background: rgba(90, 59, 168, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            color: var(--primary);
            font-weight: 400;
            flex-shrink: 0;
            transition: var(--transition);
        }
        .faq-item.open .faq-icon {
            transform: rotate(45deg);
            background: var(--primary);
            color: #fff;
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease;
        }
        .faq-answer p {
            padding: 0 24px 20px;
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.75;
        }

        /* ===== CTA ===== */
        .cat-cta {
            padding: 90px 0;
            background: var(--dark);
            position: relative;
            overflow: hidden;
            text-align: center;
        }
        .cat-cta::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-3.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.2;
        }
        .cat-cta .container {
            position: relative;
            z-index: 2;
        }
        .cat-cta h2 {
            font-size: 32px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
        }
        .cat-cta .cta-desc {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.7);
            max-width: 560px;
            margin: 0 auto 36px;
        }
        .cat-cta .cta-btns {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 24px;
        }
        .cta-meta {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
            display: block;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--dark);
            color: rgba(255, 255, 255, 0.8);
            padding-top: 70px;
        }
        .site-footer .container {
            max-width: 1200px;
        }
        .footer-top {
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: 48px;
            padding-bottom: 50px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }
        .footer-brand .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 20px;
        }
        .footer-brand .footer-logo .brand-icon {
            background: linear-gradient(135deg, var(--accent), #c9862a);
            color: var(--dark);
        }
        .footer-brand p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.8;
            max-width: 400px;
        }
        .footer-cols {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
        }
        .footer-col h4 {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
        }
        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-col ul li a {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            transition: var(--transition);
        }
        .footer-col ul li a:hover {
            color: var(--accent);
        }
        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 24px 0;
            flex-wrap: wrap;
            gap: 8px;
        }
        .footer-bottom p {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.4);
        }
        .footer-domain {
            letter-spacing: 0.02em;
            font-family: -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .header-actions .search-box {
                display: none;
            }
            .cat-hero h1 {
                font-size: 38px;
            }
            .spotlight-item {
                padding: 28px;
                gap: 32px;
            }
            .process-steps {
                grid-template-columns: repeat(2, 1fr);
            }
            .process-step .step-arrow {
                display: none;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 768px) {
            .header-inner {
                height: 56px;
                gap: 12px;
            }
            .main-nav {
                display: none;
            }
            .header-actions .btn {
                display: none;
            }
            .nav-toggle {
                display: flex;
            }
            .cat-hero {
                padding: 70px 0 60px;
            }
            .cat-hero h1 {
                font-size: 30px;
            }
            .cat-hero .hero-desc {
                font-size: 15px;
            }
            .spotlight-item {
                grid-template-columns: 1fr;
                padding: 24px;
                gap: 24px;
            }
            .spotlight-item.reverse {
                direction: ltr;
            }
            .timeline-list {
                padding-left: 24px;
            }
            .guide-grid {
                grid-template-columns: 1fr;
            }
            .footer-top {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .footer-cols {
                grid-template-columns: 1fr 1fr;
            }
            .process-steps {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .cat-cta h2 {
                font-size: 24px;
            }
            .cat-cta .btn-lg {
                width: 100%;
                max-width: 320px;
            }
        }
        @media (max-width: 576px) {
            .container {
                padding: 0 16px;
            }
            .cat-hero {
                padding: 56px 0 48px;
            }
            .cat-hero h1 {
                font-size: 26px;
            }
            .cat-hero .hero-desc {
                font-size: 14px;
            }
            .cat-hero-btns {
                flex-direction: column;
            }
            .cat-hero-btns .btn {
                width: 100%;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 14px;
            }
            .stat-card {
                padding: 20px;
            }
            .stat-num {
                font-size: 30px;
            }
            .section-title h2 {
                font-size: 24px;
            }
            .spotlight-item {
                padding: 20px;
            }
            .spotlight-text h3 {
                font-size: 18px;
            }
            .process-steps {
                grid-template-columns: 1fr;
            }
            .guide-card {
                flex-direction: column;
                padding: 24px;
            }
            .guide-icon {
                width: 40px;
                height: 40px;
                font-size: 18px;
            }
            .faq-question {
                padding: 16px 18px;
                font-size: 14px;
            }
            .faq-answer p {
                padding: 0 18px 16px;
                font-size: 13px;
            }
            .cat-cta {
                padding: 60px 0;
            }
            .cat-cta .cta-btns {
                flex-direction: column;
                align-items: center;
            }
            .cat-cta .btn {
                width: 100%;
                max-width: 280px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .footer-cols {
                grid-template-columns: 1fr;
                gap: 24px;
            }
        }

/* roulang page: article */
:root {
            --primary: #5A3BA8;
            --primary-deep: #3B256B;
            --accent: #E8A33D;
            --accent-dark: #D18F2C;
            --bg: #F7F5F2;
            --surface: #FFFFFF;
            --dark: #221A2D;
            --text: #2B2233;
            --text-light: #6E6875;
            --border: #E5E0EB;
            --success: #2F9E77;
            --warning: #C97C12;
            --error: #C43D3D;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 14px;
            --shadow-sm: 0 1px 4px rgba(35, 26, 46, 0.06);
            --shadow-hover: 0 14px 30px rgba(35, 26, 46, 0.14);
            --shadow-nav: 0 4px 12px rgba(0, 0, 0, 0.06);
            --container: 1200px;
            --transition: 0.25s ease;
            --font: -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
        }
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; }
        body { font-family: var(--font); background: var(--bg); color: var(--text); line-height: 1.75; font-size: 16px; -webkit-font-smoothing: antialiased; }
        img { max-width: 100%; display: block; }
        a { color: var(--primary); text-decoration: none; transition: color var(--transition); }
        a:hover { color: var(--primary-deep); }
        button, input { font-family: inherit; }
        button { cursor: pointer; }
        ul, ol { list-style: none; }
        .container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }

        .btn {
            display: inline-flex; align-items: center; justify-content: center;
            height: 46px; padding: 0 22px; border-radius: var(--radius-sm);
            font-size: 15px; font-weight: 600; border: 1px solid transparent;
            transition: all var(--transition); text-decoration: none; line-height: 1;
        }
        .btn:hover { text-decoration: none; }
        .btn-primary { background: var(--primary); color: #fff; }
        .btn-primary:hover { background: var(--primary-deep); color: #fff; box-shadow: 0 6px 20px rgba(90, 59, 168, 0.28); }
        .btn-cta { background: var(--accent); color: #2E1238; }
        .btn-cta:hover { background: #F0B04F; color: #2E1238; box-shadow: 0 6px 20px rgba(232, 163, 61, 0.35); }
        .btn-outline { background: #fff; border-color: var(--primary); color: var(--primary); }
        .btn-outline:hover { background: #F0EBF9; color: var(--primary-deep); }
        .btn-outline-light { background: rgba(255, 255, 255, 0.1); border-color: rgba(255, 255, 255, 0.6); color: #fff; }
        .btn-outline-light:hover { background: rgba(255, 255, 255, 0.2); color: #fff; }
        .btn-lg { height: 54px; padding: 0 36px; font-size: 16px; }

        .site-header {
            position: sticky; top: 0; z-index: 100;
            background: var(--surface);
            border-bottom: 1px solid var(--border);
            transition: box-shadow var(--transition);
        }
        .site-header.scrolled { box-shadow: var(--shadow-nav); }
        .header-inner { display: flex; align-items: center; height: 64px; gap: 28px; }
        .brand { display: flex; align-items: center; gap: 10px; flex-shrink: 0; text-decoration: none; }
        .brand-icon {
            width: 32px; height: 32px; border-radius: 8px; flex-shrink: 0;
            background: var(--primary); color: var(--accent);
            font-size: 17px; font-weight: 800;
            display: flex; align-items: center; justify-content: center;
        }
        .brand-text { font-size: 18px; font-weight: 700; color: var(--text); white-space: nowrap; }
        .brand:hover .brand-text { color: var(--primary); }

        .main-nav { display: flex; gap: 28px; align-items: center; margin-left: 8px; }
        .main-nav .nav-link {
            font-size: 15px; font-weight: 600; color: var(--text);
            padding: 8px 2px; position: relative; white-space: nowrap;
        }
        .main-nav .nav-link::after {
            content: ''; position: absolute; left: 0; right: 0; bottom: 2px;
            height: 2px; border-radius: 2px; background: var(--primary);
            transform: scaleX(0); transition: transform var(--transition);
        }
        .main-nav .nav-link:hover { color: var(--primary); }
        .main-nav .nav-link:hover::after { transform: scaleX(1); }
        .main-nav .nav-link.active { color: var(--primary); }
        .main-nav .nav-link.active::after { transform: scaleX(1); }

        .header-actions { display: flex; align-items: center; gap: 14px; margin-left: auto; }
        .search-box {
            display: flex; align-items: center; gap: 4px;
            background: var(--bg); border: 1px solid var(--border);
            border-radius: 4px; padding: 7px 10px; width: 200px;
            transition: border-color var(--transition), box-shadow var(--transition);
        }
        .search-box:focus-within {
            border-color: var(--primary);
            box-shadow: 0 0 0 2px rgba(90, 59, 168, 0.15);
            outline: none;
        }
        .search-box input {
            border: none; background: none; outline: none;
            width: 100%; font-size: 14px; color: var(--text);
        }
        .search-box input::placeholder { color: #A79FB0; }
        .search-box button {
            background: none; border: none; color: var(--text-light);
            display: flex; align-items: center; justify-content: center; padding: 0;
        }
        .search-box button:hover { color: var(--primary); }
        .nav-cta { height: 38px; padding: 0 18px; font-size: 14px; }
        .nav-toggle {
            display: none; flex-direction: column; justify-content: center; gap: 5px;
            width: 40px; height: 40px; padding: 0 8px; background: none; border: none;
        }
        .nav-toggle span {
            display: block; height: 2px; background: var(--text); border-radius: 2px;
            transition: transform var(--transition), opacity var(--transition);
        }
        .nav-mobile-extras { display: none; }

        .main { padding-bottom: 40px; }
        .breadcrumb {
            display: flex; flex-wrap: wrap; align-items: center; gap: 8px;
            font-size: 14px; color: var(--text-light); margin-bottom: 24px;
        }
        .breadcrumb a { color: var(--text-light); }
        .breadcrumb a:hover { color: var(--primary); }
        .breadcrumb .separator { color: #C7BFD0; }
        .breadcrumb .current { color: var(--primary); font-weight: 600; }

        .article-wrap {
            background: var(--surface);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
            padding: 44px 56px;
            margin-top: 32px;
        }
        .article-header { margin-bottom: 32px; }
        .article-header h1 { font-size: 34px; line-height: 1.3; font-weight: 800; color: var(--text); margin-bottom: 16px; }
        .article-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; font-size: 14px; color: var(--text-light); }
        .meta-item { display: inline-flex; align-items: center; gap: 4px; }
        .badge {
            display: inline-block; padding: 3px 10px; border-radius: 999px;
            background: #F0EBF9; color: var(--primary); font-size: 13px; font-weight: 600;
        }

        .article-content {
            max-width: 720px; margin: 0 auto;
            font-size: 16px; line-height: 1.85; color: var(--text);
        }
        .article-content > * { margin-bottom: 1.2em; }
        .article-content h2 {
            font-size: 26px; font-weight: 700; margin: 2em 0 0.8em;
            padding-bottom: 10px; border-bottom: 1px solid var(--border);
        }
        .article-content h3 { font-size: 20px; font-weight: 700; margin: 1.8em 0 0.6em; }
        .article-content p { line-height: 1.85; }
        .article-content a { color: var(--primary); text-decoration: underline; text-underline-offset: 3px; }
        .article-content blockquote {
            border-left: 4px solid var(--primary);
            background: #F0EBF9; border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            padding: 16px 20px; color: var(--text-light);
        }
        .article-content img {
            max-width: 100%; border-radius: var(--radius-md);
            height: auto; margin: 20px 0;
        }
        .article-content figure { margin: 24px 0; }
        .article-content figcaption { text-align: center; font-size: 13px; color: var(--text-light); margin-top: 8px; }
        .article-content table { width: 100%; border-collapse: collapse; margin: 24px 0; font-size: 14px; }
        .article-content table th,
        .article-content table td { border: 1px solid var(--border); padding: 10px 14px; text-align: left; }
        .article-content table th { background: #F0EBF9; font-weight: 600; }
        .article-content pre {
            background: var(--dark); color: #E8E0F0; border-radius: var(--radius-md);
            padding: 18px 20px; overflow-x: auto; font-size: 14px; line-height: 1.7;
        }
        .article-content code {
            background: rgba(90, 59, 168, 0.1); color: var(--primary-deep);
            border-radius: 4px; padding: 2px 6px; font-size: 14px;
        }
        .article-content pre code { background: none; color: inherit; padding: 0; }
        .article-content ul { list-style: disc; padding-left: 24px; }
        .article-content ol { list-style: decimal; padding-left: 24px; }
        .article-content li { margin-bottom: 6px; }
        .article-content hr { border: none; border-top: 1px solid var(--border); margin: 32px 0; }

        .post-nav {
            display: flex; align-items: center; gap: 16px;
            margin-top: 40px; padding-top: 28px;
            border-top: 1px solid var(--border);
        }
        .post-nav-link {
            display: flex; flex-direction: column; gap: 4px;
            background: var(--bg); border-radius: var(--radius-sm);
            padding: 12px 18px; min-width: 0; max-width: 300px;
            transition: background var(--transition);
        }
        .post-nav-link:hover { background: #F0EBF9; }
        .post-nav-link .nav-label { font-size: 13px; color: var(--text-light); }
        .post-nav-link .nav-title {
            font-size: 15px; font-weight: 600; color: var(--text);
            white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 220px;
        }
        .post-nav-link:hover .nav-title { color: var(--primary); }
        .btn-back { margin: 0 auto; flex-shrink: 0; }

        .article-not-found { text-align: center; padding: 80px 24px; }
        .not-found-icon {
            width: 64px; height: 64px; border-radius: 50%;
            background: #F0EBF9; color: var(--primary);
            display: flex; align-items: center; justify-content: center;
            font-size: 28px; font-weight: 800; margin: 0 auto 20px;
        }
        .article-not-found h1 { font-size: 30px; font-weight: 800; margin-bottom: 12px; }
        .article-not-found p { color: var(--text-light); margin-bottom: 24px; }

        .related-section { padding: 72px 0 48px; }
        .section-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 32px; }
        .section-head h2 { font-size: 28px; font-weight: 800; }
        .section-head.centered { justify-content: center; }
        .section-link { font-size: 14px; font-weight: 600; color: var(--primary); }
        .related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
        .related-card {
            background: var(--surface); border: 1px solid var(--border);
            border-radius: var(--radius-md); overflow: hidden;
            transition: transform var(--transition), box-shadow var(--transition);
        }
        .related-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
        .related-card .card-thumb { overflow: hidden; aspect-ratio: 16 / 9; }
        .related-card .card-thumb img {
            width: 100%; height: 100%; object-fit: cover;
            transition: transform 0.4s;
        }
        .related-card:hover .card-thumb img { transform: scale(1.05); }
        .related-card .card-body { padding: 20px; }
        .related-card .card-title {
            font-size: 16px; font-weight: 600; margin: 10px 0 8px;
            display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical;
            overflow: hidden; line-height: 1.45;
        }
        .related-card .card-title a { color: var(--text); }
        .related-card .card-title a:hover { color: var(--primary); }
        .related-card .card-summary {
            font-size: 14px; color: var(--text-light);
            display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical;
            overflow: hidden; margin-bottom: 14px; line-height: 1.7;
        }
        .card-footer { display: flex; justify-content: space-between; align-items: center; font-size: 13px; color: var(--text-light); }
        .read-more { color: var(--primary); font-weight: 600; }

        .faq-section { padding: 72px 0; background: var(--surface); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
        .faq-list { max-width: 800px; margin: 0 auto; }
        .faq-item { border-bottom: 1px solid var(--border); }
        .faq-item:first-child { border-top: 1px solid var(--border); }
        .faq-question {
            display: flex; justify-content: space-between; align-items: center; gap: 16px;
            width: 100%; background: none; border: none; padding: 18px 8px;
            font-size: 16px; font-weight: 600; color: var(--text); text-align: left;
        }
        .faq-icon {
            width: 24px; height: 24px; border-radius: 50%;
            background: #F0EBF9; color: var(--primary);
            display: flex; align-items: center; justify-content: center;
            font-size: 16px; flex-shrink: 0;
            transition: transform var(--transition), background var(--transition), color var(--transition);
        }
        .faq-item.active .faq-icon { transform: rotate(45deg); background: var(--primary); color: #fff; }
        .faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.35s ease; }
        .faq-item.active .faq-answer { max-height: 400px; }
        .faq-answer p { font-size: 14px; color: var(--text-light); line-height: 1.8; padding: 0 8px 18px; }

        .cta-section {
            padding: 88px 0;
            background: linear-gradient(rgba(34, 26, 45, 0.88), rgba(34, 26, 45, 0.92)),
                url('/assets/images/backpic/back-2.webp') center / cover no-repeat;
            text-align: center; color: #fff;
        }
        .cta-section h2 { font-size: 32px; font-weight: 800; color: #fff; margin-bottom: 12px; }
        .cta-section p { font-size: 16px; color: rgba(255, 255, 255, 0.8); margin-bottom: 32px; }
        .cta-buttons { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; margin-bottom: 20px; }
        .version-info { font-size: 13px; color: rgba(255, 255, 255, 0.5); }

        .site-footer { background: var(--dark); color: #9C94A5; padding: 60px 0 24px; margin-top: 0; }
        .footer-top { display: grid; grid-template-columns: 1.2fr 1fr; gap: 48px; padding-bottom: 40px; border-bottom: 1px solid rgba(255, 255, 255, 0.08); }
        .footer-brand .footer-logo { display: inline-flex; align-items: center; gap: 10px; color: #fff; font-size: 18px; font-weight: 700; }
        .footer-logo .brand-icon { width: 30px; height: 30px; background: var(--primary); border-radius: 8px; color: var(--accent); display: flex; align-items: center; justify-content: center; font-size: 15px; font-weight: 800; }
        .footer-brand p { margin: 16px 0 0; font-size: 14px; line-height: 1.8; color: #9C94A5; max-width: 360px; }
        .footer-cols { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; }
        .footer-col h4 { font-size: 16px; font-weight: 600; color: #fff; margin-bottom: 16px; }
        .footer-col ul li { margin-bottom: 10px; }
        .footer-col ul a { color: #9C94A5; font-size: 14px; }
        .footer-col ul a:hover { color: var(--accent); }
        .footer-bottom { display: flex; justify-content: space-between; align-items: center; padding-top: 20px; font-size: 13px; color: #6E6875; }
        .footer-domain { color: #6E6875; }

        @media (max-width: 1023px) {
            .search-box { width: 160px; }
            .related-grid { grid-template-columns: repeat(2, 1fr); }
        }
        @media (max-width: 768px) {
            .header-inner { height: 56px; gap: 12px; }
            .main-nav {
                position: absolute; top: 56px; left: 0; right: 0;
                background: var(--surface); border-bottom: 1px solid var(--border);
                flex-direction: column; gap: 0; padding: 12px 24px 20px;
                display: none; box-shadow: var(--shadow-nav);
            }
            .main-nav.open { display: flex; }
            .main-nav .nav-link { padding: 12px 0; border-bottom: 1px solid var(--border); width: 100%; }
            .main-nav .nav-link:last-child { border-bottom: none; }
            .main-nav .nav-link::after { display: none; }
            .main-nav .nav-link.active { color: var(--primary); background: #F7F3FC; border-radius: 4px; padding-left: 10px; }
            .header-actions .search-box,
            .header-actions .nav-cta { display: none; }
            .nav-toggle { display: flex; }
            .header-actions { gap: 8px; }
            .nav-mobile-extras { display: flex; flex-direction: column; gap: 12px; padding-top: 16px; margin-top: 8px; border-top: 1px solid var(--border); }
            .nav-mobile-extras .search-box { display: flex; width: 100%; }
            .nav-mobile-extras .btn { width: 100%; }
            .article-wrap { margin-top: 16px; padding: 28px 20px; }
            .article-header h1 { font-size: 26px; }
            .related-grid { grid-template-columns: 1fr; gap: 16px; }
            .post-nav { flex-direction: column; align-items: stretch; }
            .post-nav-link { max-width: none; }
            .btn-back { margin: 8px 0; }
            .cta-section { padding: 56px 0; }
            .cta-section h2 { font-size: 26px; }
            .footer-top { grid-template-columns: 1fr; gap: 32px; }
            .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }
        }
        @media (max-width: 576px) {
            .container { padding: 0 16px; }
            .section-head h2 { font-size: 24px; }
            .faq-question { font-size: 15px; }
            .cta-buttons .btn { width: 100%; }
        }