/* roulang page: index */
:root {
        --clr-bg: #F7F5F1;
        --clr-bg-alt: #ECE8E0;
        --clr-surface: #FFFFFF;
        --clr-dark: #1B1F27;
        --clr-dark-2: #232833;
        --clr-gold: #C6A568;
        --clr-gold-light: #D9BE8E;
        --clr-text: #2C2F36;
        --clr-text-muted: #7A7F89;
        --clr-mist: #A9BCC9;
        --clr-line: #E2DDD3;
        --radius-sm: 2px;
        --radius-md: 6px;
        --radius-pill: 100px;
        --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
        --shadow-md: 0 12px 32px rgba(0, 0, 0, 0.08);
        --shadow-gold: 0 6px 20px rgba(198, 165, 104, 0.35);
        --font-serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", serif;
        --font-sans: "Noto Sans SC", "PingFang SC", system-ui, sans-serif;
        --transition: 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    }

    *,
    *::before,
    *::after {
        box-sizing: border-box;
    }
    html {
        scroll-behavior: smooth;
    }
    body {
        margin: 0;
        font-family: var(--font-sans);
        font-size: 16px;
        line-height: 1.8;
        color: var(--clr-text);
        background-color: var(--clr-bg);
        -webkit-font-smoothing: antialiased;
    }
    a {
        text-decoration: none;
        color: inherit;
        transition: color var(--transition), background-color var(--transition), border-color var(--transition), box-shadow var(--transition), opacity var(--transition);
    }
    img {
        max-width: 100%;
        height: auto;
    }
    h1,
    h2,
    h3,
    h4,
    h5,
    h6 {
        font-family: var(--font-serif);
        color: var(--clr-dark);
        margin: 0 0 0.5em;
        line-height: 1.3;
    }
    p {
        margin: 0 0 1em;
    }
    button,
    input,
    select,
    textarea {
        font-family: inherit;
    }

    .container-wide {
        width: 100%;
        max-width: 1200px;
        margin: 0 auto;
        padding: 0 28px;
    }
    .section {
        padding: 100px 0;
    }
    .section-alt {
        background-color: var(--clr-bg-alt);
    }
    .section-dark {
        background-color: var(--clr-dark);
    }

    @media (max-width: 991.98px) {
        .container-wide {
            padding: 0 20px;
        }
        .section {
            padding: 64px 0;
        }
    }

    /* ============ 左侧竖向导航 ============ */
    .site-sidebar {
        position: fixed;
        top: 0;
        left: 0;
        width: 232px;
        height: 100vh;
        background: var(--clr-dark);
        z-index: 1040;
        display: flex;
        flex-direction: column;
        padding: 28px 20px 24px;
        overflow-y: auto;
    }
    .sidebar-brand {
        display: flex;
        align-items: center;
        gap: 12px;
        padding: 8px 4px 20px;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        margin-bottom: 20px;
    }
    .brand-icon {
        flex-shrink: 0;
        width: 40px;
        height: 40px;
        border: 1px solid rgba(198, 165, 104, 0.5);
        border-radius: var(--radius-sm);
        display: flex;
        align-items: center;
        justify-content: center;
        background: rgba(198, 165, 104, 0.1);
    }
    .brand-text {
        display: flex;
        flex-direction: column;
    }
    .brand-name {
        font-family: var(--font-serif);
        font-size: 17px;
        font-weight: 600;
        color: #fff;
        letter-spacing: 0.06em;
        line-height: 1.4;
        white-space: nowrap;
    }
    .brand-en {
        font-size: 11px;
        letter-spacing: 0.18em;
        color: rgba(255, 255, 255, 0.5);
        text-transform: uppercase;
        margin-top: 2px;
        white-space: nowrap;
    }
    .sidebar-nav {
        display: flex;
        flex-direction: column;
        flex: 1;
    }
    .sidebar-nav .nav-link {
        display: flex;
        align-items: center;
        gap: 12px;
        padding: 12px 14px;
        font-size: 15px;
        font-weight: 400;
        color: #C9CDD4;
        border-left: 2px solid transparent;
        border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
        transition: all var(--transition);
        margin-bottom: 4px;
        position: relative;
    }
    .sidebar-nav .nav-link i {
        width: 18px;
        font-size: 14px;
        text-align: center;
        color: rgba(255, 255, 255, 0.4);
        transition: color var(--transition);
    }
    .sidebar-nav .nav-link:hover {
        color: var(--clr-gold);
        border-left-color: var(--clr-gold);
        background: rgba(255, 255, 255, 0.03);
    }
    .sidebar-nav .nav-link:hover i {
        color: var(--clr-gold);
    }
    .sidebar-nav .nav-link.active {
        color: #fff;
        border-left-color: var(--clr-gold);
        background: rgba(255, 255, 255, 0.04);
        font-weight: 500;
    }
    .sidebar-nav .nav-link.active i {
        color: var(--clr-gold);
    }
    .sidebar-footer {
        padding-top: 20px;
        border-top: 1px solid rgba(255, 255, 255, 0.1);
        margin-top: 20px;
    }
    .sidebar-contact {
        font-size: 13px;
        color: rgba(255, 255, 255, 0.5);
        line-height: 2;
        margin-bottom: 16px;
    }
    .sidebar-contact i {
        color: var(--clr-gold);
        margin-right: 6px;
        width: 16px;
        font-size: 12px;
    }

    /* ============ 移动端顶部导航 ============ */
    .mobile-header {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        height: 64px;
        background: var(--clr-dark);
        z-index: 1030;
        display: flex;
        align-items: center;
        box-shadow: 0 2px 12px rgba(0, 0, 0, 0.2);
    }
    .mobile-header-inner {
        width: 100%;
        max-width: 1200px;
        margin: 0 auto;
        padding: 0 16px;
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 12px;
    }
    .mobile-brand {
        display: flex;
        align-items: center;
        gap: 10px;
        color: #fff;
        font-family: var(--font-serif);
        font-size: 16px;
        font-weight: 600;
        letter-spacing: 0.04em;
        white-space: nowrap;
    }
    .mobile-brand svg {
        flex-shrink: 0;
    }
    .mobile-menu-toggle {
        color: var(--clr-gold);
        font-size: 20px;
        border: 1px solid rgba(198, 165, 104, 0.4);
        border-radius: var(--radius-sm);
        padding: 6px 12px;
        background: rgba(198, 165, 104, 0.08);
        transition: all var(--transition);
    }
    .mobile-menu-toggle:hover {
        background: rgba(198, 165, 104, 0.2);
        color: var(--clr-gold-light);
    }
    .mobile-offcanvas {
        background: var(--clr-dark);
        color: #fff;
        width: 300px;
    }
    .mobile-offcanvas .offcanvas-header {
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        padding: 20px 24px;
    }
    .mobile-offcanvas .offcanvas-title {
        font-family: var(--font-serif);
        font-size: 18px;
        color: #fff;
    }
    .mobile-offcanvas .btn-close {
        background: transparent;
        filter: invert(1);
        opacity: 0.7;
        font-size: 14px;
    }
    .mobile-nav {
        padding: 20px 16px;
        display: flex;
        flex-direction: column;
        gap: 4px;
    }
    .mobile-nav a {
        display: flex;
        align-items: center;
        gap: 12px;
        padding: 12px 16px;
        color: #C9CDD4;
        font-size: 15px;
        border-left: 2px solid transparent;
        border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
        transition: all var(--transition);
    }
    .mobile-nav a i {
        width: 18px;
        font-size: 14px;
        color: rgba(255, 255, 255, 0.4);
    }
    .mobile-nav a:hover,
    .mobile-nav a.active {
        color: var(--clr-gold);
        border-left-color: var(--clr-gold);
        background: rgba(255, 255, 255, 0.03);
    }
    .mobile-nav a.active {
        color: #fff;
        font-weight: 500;
    }

    /* ============ 主内容区 ============ */
    .site-main {
        margin-left: 232px;
        min-height: 100vh;
    }
    @media (max-width: 991.98px) {
        .site-main {
            margin-left: 0;
            padding-top: 64px;
        }
    }

    /* ============ 按钮 ============ */
    .btn {
        border-radius: var(--radius-sm);
        padding: 12px 32px;
        font-size: 15px;
        font-weight: 500;
        transition: all var(--transition);
        border: 1px solid transparent;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
    }
    .btn:focus-visible {
        outline: 2px solid var(--clr-gold);
        outline-offset: 2px;
    }
    .btn-gold {
        background: var(--clr-gold);
        color: var(--clr-dark);
        border-color: var(--clr-gold);
    }
    .btn-gold:hover {
        background: var(--clr-gold-light);
        border-color: var(--clr-gold-light);
        box-shadow: var(--shadow-gold);
        color: var(--clr-dark);
    }
    .btn-outline-gold {
        background: transparent;
        color: var(--clr-gold);
        border-color: var(--clr-gold);
    }
    .btn-outline-gold:hover {
        background: rgba(198, 165, 104, 0.1);
        color: var(--clr-gold-light);
        border-color: var(--clr-gold-light);
    }
    .btn-outline-gold-light {
        background: transparent;
        color: #fff;
        border-color: rgba(198, 165, 104, 0.6);
    }
    .btn-outline-gold-light:hover {
        background: rgba(198, 165, 104, 0.15);
        color: var(--clr-gold-light);
        border-color: var(--clr-gold);
    }
    .btn-white {
        background: #fff;
        color: var(--clr-dark);
        border-color: #fff;
    }
    .btn-white:hover {
        background: rgba(255, 255, 255, 0.88);
        box-shadow: 0 6px 20px rgba(255, 255, 255, 0.18);
        color: var(--clr-dark);
    }
    .btn-lg {
        padding: 14px 40px;
        font-size: 16px;
    }
    .btn-sm {
        padding: 8px 18px;
        font-size: 14px;
    }

    /* ============ Hero ============ */
    .hero-section {
        position: relative;
        height: 100vh;
        min-height: 640px;
        display: flex;
        align-items: center;
        overflow: hidden;
    }
    @media (max-width: 991.98px) and (min-width: 768px) {
        .hero-section {
            height: 80vh;
            min-height: 560px;
        }
    }
    @media (max-width: 767.98px) {
        .hero-section {
            height: auto;
            min-height: 92vh;
            padding: 80px 0 48px;
        }
    }
    .hero-bg {
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background-size: cover;
        background-position: center;
        z-index: 0;
    }
    .hero-overlay {
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: linear-gradient(110deg, rgba(27, 31, 39, 0.92) 35%, rgba(27, 31, 39, 0.35) 100%);
        z-index: 1;
    }
    .hero-content {
        position: relative;
        z-index: 2;
        max-width: 680px;
        padding: 0 56px;
        width: 100%;
    }
    @media (max-width: 991.98px) {
        .hero-content {
            padding: 0 32px;
            max-width: 560px;
        }
    }
    @media (max-width: 767.98px) {
        .hero-content {
            padding: 0 24px;
        }
    }
    .hero-title {
        font-size: 52px;
        font-weight: 600;
        color: #fff;
        line-height: 1.3;
        letter-spacing: 0.04em;
        margin-bottom: 0;
        animation: heroFadeUp 0.8s ease forwards;
    }
    @media (max-width: 767.98px) {
        .hero-title {
            font-size: 34px;
        }
    }
    .hero-line {
        width: 60px;
        height: 2px;
        background: var(--clr-gold);
        margin: 24px 0;
        animation: heroFadeUp 0.8s ease 0.15s forwards;
        opacity: 0;
    }
    .hero-subtitle {
        font-size: 17px;
        line-height: 1.9;
        color: rgba(255, 255, 255, 0.82);
        margin-bottom: 32px;
        max-width: 520px;
        animation: heroFadeUp 0.8s ease 0.3s forwards;
        opacity: 0;
    }
    .hero-actions {
        display: flex;
        gap: 16px;
        flex-wrap: wrap;
        animation: heroFadeUp 0.8s ease 0.45s forwards;
        opacity: 0;
    }
    @keyframes heroFadeUp {
        from {
            opacity: 0;
            transform: translateY(14px);
        }
        to {
            opacity: 1;
            transform: translateY(0);
        }
    }
    .hero-scroll {
        position: absolute;
        left: 56px;
        bottom: 40px;
        z-index: 2;
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 8px;
        opacity: 0.6;
        animation: heroFadeUp 0.8s ease 0.8s forwards;
        opacity: 0;
    }
    @media (max-width: 991.98px) {
        .hero-scroll {
            left: 32px;
        }
    }
    .scroll-line {
        width: 2px;
        height: 40px;
        background: linear-gradient(to bottom, rgba(255, 255, 255, 0.8), rgba(255, 255, 255, 0.2));
    }
    .scroll-text {
        font-size: 11px;
        letter-spacing: 0.2em;
        color: rgba(255, 255, 255, 0.6);
        text-transform: uppercase;
        writing-mode: vertical-rl;
    }

    /* ============ 区块标题 ============ */
    .section-header {
        display: flex;
        align-items: center;
        justify-content: space-between;
        margin-bottom: 12px;
        gap: 16px;
    }
    .section-header-left {
        display: flex;
        align-items: center;
        gap: 16px;
    }
    .section-bar {
        display: inline-block;
        width: 18px;
        height: 32px;
        background: var(--clr-gold);
        flex-shrink: 0;
        border-radius: var(--radius-sm);
    }
    .section-title {
        font-family: var(--font-serif);
        font-size: 32px;
        font-weight: 600;
        margin: 0;
        color: var(--clr-dark);
    }
    .section-title-light {
        color: #fff;
    }
    .section-eyebrow {
        font-size: 13px;
        letter-spacing: 0.14em;
        color: var(--clr-text-muted);
        text-transform: uppercase;
        white-space: nowrap;
    }
    .section-eyebrow-light {
        color: rgba(255, 255, 255, 0.4);
    }
    .section-line {
        width: 60px;
        height: 2px;
        background: var(--clr-gold);
        margin: 12px 0 44px;
    }
    .section-line-center {
        margin-left: auto;
        margin-right: auto;
    }
    @media (max-width: 767.98px) {
        .section-title {
            font-size: 26px;
        }
        .section-eyebrow {
            display: none;
        }
    }

    /* ============ 卖点三连（交错） ============ */
    .features-section {
        background: var(--clr-bg);
    }
    .feature-row {
        padding: 48px 0;
        border-bottom: 1px solid var(--clr-line);
        display: flex;
        align-items: center;
        gap: 48px;
    }
    .feature-row:first-child {
        padding-top: 0;
    }
    .feature-row:last-child {
        border-bottom: none;
        padding-bottom: 0;
    }
    .feature-row .feature-text-col {
        flex: 0 0 46%;
        max-width: 46%;
    }
    .feature-row .feature-img-col {
        flex: 1;
        min-width: 0;
    }
    .feature-row.row-reverse {
        flex-direction: row-reverse;
    }
    .feature-num {
        font-family: var(--font-serif);
        font-size: 88px;
        font-weight: 700;
        line-height: 1;
        color: transparent;
        -webkit-text-stroke: 1px rgba(198, 165, 104, 0.7);
        margin-bottom: 8px;
        display: block;
    }
    .feature-title {
        font-size: 22px;
        font-weight: 600;
        margin-bottom: 14px;
        color: var(--clr-dark);
    }
    .feature-desc {
        font-size: 15px;
        line-height: 1.9;
        color: var(--clr-text-muted);
        margin-bottom: 20px;
    }
    .feature-link {
        font-size: 14px;
        font-weight: 500;
        color: var(--clr-gold);
        display: inline-flex;
        align-items: center;
        gap: 6px;
        border-bottom: 1px solid transparent;
        transition: all var(--transition);
    }
    .feature-link:hover {
        border-bottom-color: var(--clr-gold);
        color: var(--clr-gold-light);
        gap: 10px;
    }
    .feature-img-wrapper {
        border-radius: var(--radius-md);
        overflow: hidden;
        position: relative;
        box-shadow: var(--shadow-sm);
    }
    .feature-img-wrapper img {
        width: 100%;
        display: block;
        aspect-ratio: 4 / 3;
        object-fit: cover;
        transition: transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    }
    .feature-img-wrapper:hover img {
        transform: scale(1.02);
    }
    @media (max-width: 991.98px) {
        .feature-row {
            flex-direction: column;
            gap: 28px;
        }
        .feature-row.row-reverse {
            flex-direction: column;
        }
        .feature-row .feature-text-col {
            flex: 0 0 100%;
            max-width: 100%;
        }
        .feature-num {
            font-size: 60px;
        }
    }

    /* ============ 场景演示（深色） ============ */
    .scenario-section {
        background: var(--clr-dark);
        color: rgba(255, 255, 255, 0.85);
    }
    .scenario-header {
        margin-bottom: 48px;
    }
    .scenario-desc {
        font-size: 15px;
        color: rgba(255, 255, 255, 0.55);
        max-width: 520px;
        margin-top: 12px;
    }
    .scenario-steps {
        position: relative;
        padding: 0;
        list-style: none;
        margin: 0;
    }
    .step-item {
        display: flex;
        gap: 20px;
        padding: 0 0 36px;
        position: relative;
    }
    .step-item:last-child {
        padding-bottom: 0;
    }
    .step-dot-wrap {
        position: relative;
        display: flex;
        flex-direction: column;
        align-items: center;
        flex-shrink: 0;
    }
    .step-dot {
        width: 24px;
        height: 24px;
        border-radius: 50%;
        background: var(--clr-gold);
        box-shadow: 0 0 0 4px rgba(198, 165, 104, 0.2);
        position: relative;
        z-index: 1;
    }
    .step-line {
        position: absolute;
        top: 28px;
        left: 50%;
        width: 2px;
        height: calc(100% - 4px);
        background: rgba(198, 165, 104, 0.25);
        transform: translateX(-50%);
    }
    .step-item:last-child .step-line {
        display: none;
    }
    .step-content {
        padding-top: 0;
    }
    .step-title {
        font-size: 17px;
        font-weight: 600;
        color: #fff;
        margin-bottom: 6px;
    }
    .step-desc {
        font-size: 14px;
        color: rgba(255, 255, 255, 0.55);
        line-height: 1.8;
        max-width: 480px;
    }
    .scenario-banner {
        margin-top: 56px;
        border-radius: 8px;
        overflow: hidden;
        border: 1px solid rgba(255, 255, 255, 0.14);
        box-shadow: 0 16px 48px rgba(0, 0, 0, 0.3);
    }
    .scenario-banner img {
        width: 100%;
        display: block;
        max-height: 360px;
        object-fit: cover;
    }
    @media (max-width: 767.98px) {
        .scenario-steps {
            padding-left: 8px;
        }
        .step-item {
            gap: 14px;
        }
    }

    /* ============ 最新资讯 / CMS 列表 ============ */
    .news-section {
        background: var(--clr-bg);
    }
    .news-header-row {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 16px;
    }
    .news-view-all {
        font-size: 14px;
        color: var(--clr-gold);
        font-weight: 500;
        display: inline-flex;
        align-items: center;
        gap: 6px;
        transition: all var(--transition);
        white-space: nowrap;
    }
    .news-view-all:hover {
        color: var(--clr-gold-light);
        gap: 10px;
    }
    .news-list {
        border-top: 1px solid var(--clr-line);
    }
    .news-item {
        display: flex;
        align-items: center;
        gap: 20px;
        padding: 24px 12px;
        border-bottom: 1px solid var(--clr-line);
        transition: all var(--transition);
    }
    .news-item:hover {
        background: rgba(198, 165, 104, 0.03);
    }
    .news-item:hover .news-info h3 {
        color: var(--clr-gold);
        transform: translateX(4px);
    }
    .news-category {
        display: inline-block;
        padding: 4px 14px;
        font-size: 12px;
        color: var(--clr-text-muted);
        background: rgba(169, 188, 201, 0.25);
        border-radius: var(--radius-pill);
        white-space: nowrap;
        flex-shrink: 0;
    }
    .news-info {
        flex: 1;
        min-width: 0;
    }
    .news-info h3 {
        font-family: var(--font-sans);
        font-size: 17px;
        font-weight: 500;
        color: var(--clr-dark);
        margin: 0 0 4px;
        transition: all var(--transition);
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }
    .news-info p {
        font-size: 14px;
        color: var(--clr-text-muted);
        margin: 0;
        display: -webkit-box;
        -webkit-line-clamp: 1;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }
    .news-date {
        font-size: 14px;
        color: var(--clr-mist);
        white-space: nowrap;
        flex-shrink: 0;
    }
    .news-arrow {
        color: var(--clr-gold);
        font-size: 18px;
        flex-shrink: 0;
        transition: all var(--transition);
    }
    .news-item:hover .news-arrow {
        transform: translateX(4px);
    }
    .news-empty {
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        padding: 72px 24px;
        text-align: center;
        border-bottom: 1px solid var(--clr-line);
    }
    .news-empty svg {
        margin-bottom: 20px;
    }
    .news-empty p {
        font-size: 16px;
        color: var(--clr-text-muted);
        margin: 0;
    }
    @media (max-width: 767.98px) {
        .news-item {
            gap: 12px;
            padding: 16px 8px;
        }
        .news-category {
            padding: 2px 10px;
            font-size: 11px;
        }
        .news-info h3 {
            font-size: 15px;
        }
        .news-info p {
            display: none;
        }
        .news-arrow {
            display: none;
        }
        .news-date {
            font-size: 12px;
        }
    }

    /* ============ 社会认同 ============ */
    .testimonial-section {
        background: var(--clr-bg-alt);
    }
    .stats-row {
        display: flex;
        justify-content: space-around;
        align-items: flex-start;
        gap: 32px;
        flex-wrap: wrap;
        margin-bottom: 56px;
    }
    .stat-item {
        text-align: center;
        flex: 1;
        min-width: 160px;
        max-width: 220px;
    }
    .stat-num {
        font-family: var(--font-serif);
        font-size: 80px;
        font-weight: 600;
        color: var(--clr-gold);
        line-height: 1;
        display: block;
    }
    .stat-label {
        font-size: 14px;
        color: var(--clr-text-muted);
        margin-top: 8px;
        display: block;
    }
    .stat-line {
        display: inline-block;
        width: 40px;
        height: 2px;
        background: var(--clr-gold);
        margin-top: 16px;
    }
    .stat-quote {
        text-align: center;
        max-width: 720px;
        margin: 0 auto 48px;
        padding: 0 24px;
    }
    .stat-quote .quote-mark {
        font-family: var(--font-serif);
        font-size: 60px;
        color: var(--clr-gold);
        line-height: 0.5;
        display: block;
        margin-bottom: 16px;
    }
    .stat-quote p {
        font-family: var(--font-serif);
        font-size: 26px;
        font-weight: 400;
        color: var(--clr-text);
        line-height: 1.7;
    }
    .brand-row {
        display: flex;
        justify-content: center;
        flex-wrap: wrap;
        gap: 24px 48px;
        padding: 24px 0 0;
        border-top: 1px solid var(--clr-line);
    }
    .brand-word {
        font-size: 14px;
        color: var(--clr-text-muted);
        letter-spacing: 0.08em;
    }
    @media (max-width: 767.98px) {
        .stat-num {
            font-size: 56px;
        }
        .stat-quote p {
            font-size: 20px;
        }
        .brand-row {
            gap: 16px 24px;
        }
    }

    /* ============ FAQ ============ */
    .faq-section {
        background: var(--clr-bg);
    }
    .faq-list {
        max-width: 840px;
        margin: 0 auto;
    }
    .faq-item {
        background: var(--clr-surface);
        border: 1px solid var(--clr-line);
        border-radius: var(--radius-md);
        margin-bottom: 16px;
        overflow: hidden;
        transition: box-shadow var(--transition);
    }
    .faq-item:hover {
        box-shadow: var(--shadow-sm);
    }
    .faq-item details {
        transition: all var(--transition);
    }
    .faq-item summary {
        padding: 20px 24px;
        font-size: 16px;
        font-weight: 500;
        color: var(--clr-dark);
        cursor: pointer;
        list-style: none;
        display: flex;
        align-items: center;
        gap: 14px;
        position: relative;
        transition: color var(--transition);
    }
    .faq-item summary::-webkit-details-marker {
        display: none;
    }
    .faq-item summary::after {
        content: "\f078";
        font-family: "Font Awesome 6 Free";
        font-weight: 900;
        font-size: 13px;
        color: var(--clr-gold);
        margin-left: auto;
        transition: transform var(--transition);
        flex-shrink: 0;
    }
    .faq-item details[open] summary::after {
        transform: rotate(180deg);
    }
    .faq-item summary:hover {
        color: var(--clr-gold);
    }
    .faq-item summary .faq-index {
        font-family: var(--font-serif);
        font-size: 15px;
        color: var(--clr-gold);
        flex-shrink: 0;
        width: 28px;
        height: 28px;
        border: 1px solid var(--clr-gold);
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        font-weight: 600;
    }
    .faq-answer {
        padding: 0 24px 20px 66px;
        font-size: 15px;
        line-height: 1.8;
        color: var(--clr-text-muted);
    }

    /* ============ CTA 区 ============ */
    .cta-section {
        background: var(--clr-dark);
        border-top: 1px solid rgba(198, 165, 104, 0.4);
        border-bottom: 1px solid rgba(198, 165, 104, 0.4);
        min-height: 320px;
        display: flex;
        align-items: center;
        justify-content: center;
        text-align: center;
        padding: 80px 24px;
    }
    .cta-title {
        font-size: 28px;
        color: #fff;
        margin-bottom: 14px;
        letter-spacing: 0.02em;
    }
    .cta-text {
        font-size: 15px;
        color: rgba(255, 255, 255, 0.6);
        max-width: 480px;
        margin: 0 auto 28px;
    }
    .cta-actions {
        display: flex;
        gap: 16px;
        justify-content: center;
        flex-wrap: wrap;
    }

    /* ============ 页脚 ============ */
    .site-footer {
        background: var(--clr-dark);
        padding: 64px 0 0;
        border-top: 1px solid rgba(198, 165, 104, 0.3);
    }
    .footer-grid {
        display: grid;
        grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
        gap: 40px;
        padding-bottom: 48px;
    }
    .footer-brand {
        display: flex;
        align-items: center;
        gap: 12px;
        margin-bottom: 16px;
    }
    .footer-brand-name {
        font-family: var(--font-serif);
        font-size: 18px;
        color: #fff;
        font-weight: 600;
        letter-spacing: 0.04em;
    }
    .footer-about {
        font-size: 14px;
        color: rgba(255, 255, 255, 0.5);
        line-height: 1.9;
        margin-bottom: 0;
    }
    .footer-col-title {
        font-size: 15px;
        color: #fff;
        font-weight: 600;
        margin-bottom: 16px;
        font-family: var(--font-sans);
    }
    .footer-links {
        list-style: none;
        padding: 0;
        margin: 0;
        display: flex;
        flex-direction: column;
        gap: 8px;
    }
    .footer-links a {
        font-size: 14px;
        color: rgba(255, 255, 255, 0.5);
        transition: color var(--transition);
    }
    .footer-links a:hover {
        color: var(--clr-gold);
    }
    .footer-contact {
        list-style: none;
        padding: 0;
        margin: 0;
        display: flex;
        flex-direction: column;
        gap: 10px;
    }
    .footer-contact li {
        font-size: 14px;
        color: rgba(255, 255, 255, 0.5);
        display: flex;
        align-items: center;
        gap: 10px;
    }
    .footer-contact li i {
        color: var(--clr-gold);
        width: 16px;
        font-size: 13px;
        text-align: center;
    }
    .footer-bottom {
        padding: 18px 0;
        border-top: 1px solid rgba(255, 255, 255, 0.08);
        text-align: center;
        font-size: 13px;
        color: rgba(255, 255, 255, 0.35);
    }
    .footer-bottom a {
        color: rgba(255, 255, 255, 0.35);
    }
    .footer-bottom a:hover {
        color: var(--clr-gold);
    }
    @media (max-width: 991.98px) {
        .footer-grid {
            grid-template-columns: 1fr 1fr;
            gap: 32px;
        }
    }
    @media (max-width: 575.98px) {
        .footer-grid {
            grid-template-columns: 1fr;
            gap: 28px;
        }
    }

    /* ============ 底部固定转化条 ============ */
    .fixed-bar {
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        height: 64px;
        background: rgba(27, 31, 39, 0.92);
        backdrop-filter: blur(12px);
        -webkit-backdrop-filter: blur(12px);
        border-top: 1px solid rgba(198, 165, 104, 0.2);
        z-index: 1050;
        display: flex;
        align-items: center;
        justify-content: center;
        padding: 0 24px;
        transform: translateY(100%);
        transition: transform 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    }
    .fixed-bar.visible {
        transform: translateY(0);
    }
    .fixed-bar-inner {
        width: 100%;
        max-width: 1200px;
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 16px;
    }
    .fixed-bar-text {
        font-size: 14px;
        color: rgba(255, 255, 255, 0.85);
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }
    .fixed-bar-text i {
        color: var(--clr-gold);
        margin-right: 6px;
    }
    .fixed-bar .btn {
        padding: 8px 28px;
        font-size: 14px;
        flex-shrink: 0;
    }
    @media (max-width: 575.98px) {
        .fixed-bar {
            height: 56px;
        }
        .fixed-bar .btn {
            width: 120px;
            padding: 6px 12px;
            font-size: 13px;
        }
    }

    /* ============ 滚动出现动画 ============ */
    .reveal {
        opacity: 0;
        transform: translateY(20px);
        transition: opacity 0.6s ease, transform 0.6s ease;
    }
    .reveal.revealed {
        opacity: 1;
        transform: translateY(0);
    }

    /* ============ 徽章 / 标签 ============ */
    .tag-badge {
        display: inline-block;
        padding: 4px 14px;
        font-size: 13px;
        background: var(--clr-bg-alt);
        color: var(--clr-text-muted);
        border-radius: var(--radius-pill);
        margin: 4px 6px 4px 0;
        transition: all var(--transition);
    }
    .tag-badge:hover {
        background: rgba(198, 165, 104, 0.15);
        color: var(--clr-gold);
    }

    /* ============ 辅助 ============ */
    .text-gold {
        color: var(--clr-gold) !important;
    }
    .text-muted-light {
        color: rgba(255, 255, 255, 0.6);
    }
    .mt-0 {
        margin-top: 0 !important;
    }
    .mb-0 {
        margin-bottom: 0 !important;
    }

/* roulang page: category1 */
/* ============================================================
           设计变量
        ============================================================ */
        :root {
            --clr-bg: #F7F5F1;
            --clr-bg-alt: #ECE8E0;
            --clr-surface: #FFFFFF;
            --clr-dark: #1B1F27;
            --clr-dark-2: #232833;
            --clr-gold: #C6A568;
            --clr-gold-light: #D9BE8E;
            --clr-text: #2C2F36;
            --clr-text-muted: #7A7F89;
            --clr-mist: #A9BCC9;
            --clr-line: #E2DDD3;
            --radius-btn: 2px;
            --radius-card: 6px;
            --radius-img: 4px;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.04);
            --shadow-lg: 0 12px 32px rgba(0,0,0,0.08);
            --transition: 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --font-serif: "Noto Serif SC","Source Han Serif SC","Songti SC",serif;
            --font-sans: "Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
        }

        /* ============================================================
           基础 Reset
        ============================================================ */
        *, *::before, *::after { box-sizing: border-box; }
        html { scroll-behavior: smooth; }
        body {
            margin: 0;
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.8;
            color: var(--clr-text);
            background-color: var(--clr-bg);
            -webkit-font-smoothing: antialiased;
            letter-spacing: 0.01em;
        }
        a { color: inherit; text-decoration: none; transition: color var(--transition); }
        img { max-width: 100%; height: auto; display: block; }
        button, input { font-family: inherit; }
        h1, h2, h3, h4, h5, h6 {
            font-family: var(--font-serif);
            color: var(--clr-dark);
            line-height: 1.4;
            margin: 0 0 1rem 0;
            font-weight: 600;
        }
        p { margin: 0 0 1rem 0; }
        ul, ol { margin: 0; padding: 0; list-style: none; }

        /* ============================================================
           容器
        ============================================================ */
        .container-wide {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 32px;
        }
        .container-narrow {
            max-width: 860px;
            margin: 0 auto;
        }

        /* ============================================================
           按钮
        ============================================================ */
        .btn-gold {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: var(--clr-gold);
            color: var(--clr-dark);
            font-size: 15px;
            font-weight: 500;
            padding: 12px 32px;
            border: 1px solid var(--clr-gold);
            border-radius: var(--radius-btn);
            transition: all var(--transition);
            cursor: pointer;
            text-decoration: none;
        }
        .btn-gold:hover {
            background: var(--clr-gold-light);
            border-color: var(--clr-gold-light);
            color: var(--clr-dark);
            box-shadow: 0 6px 20px rgba(198, 165, 104, 0.35);
            transform: translateY(-1px);
        }
        .btn-gold:focus-visible {
            outline: 2px solid var(--clr-gold);
            outline-offset: 2px;
        }
        .btn-outline-gold {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: transparent;
            color: var(--clr-gold);
            font-size: 15px;
            font-weight: 500;
            padding: 12px 32px;
            border: 1px solid var(--clr-gold);
            border-radius: var(--radius-btn);
            transition: all var(--transition);
            cursor: pointer;
            text-decoration: none;
        }
        .btn-outline-gold:hover {
            background: rgba(198, 165, 104, 0.1);
            color: var(--clr-gold-light);
            border-color: var(--clr-gold-light);
        }
        .btn-outline-gold:focus-visible {
            outline: 2px solid var(--clr-gold);
            outline-offset: 2px;
        }
        .btn-white {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: #FFFFFF;
            color: var(--clr-dark);
            font-size: 15px;
            font-weight: 500;
            padding: 12px 32px;
            border: 1px solid #FFFFFF;
            border-radius: var(--radius-btn);
            transition: all var(--transition);
            cursor: pointer;
            text-decoration: none;
        }
        .btn-white:hover {
            background: rgba(255,255,255,0.9);
            box-shadow: 0 8px 24px rgba(255,255,255,0.15);
            transform: translateY(-1px);
        }
        .btn-white:focus-visible {
            outline: 2px solid #FFFFFF;
            outline-offset: 2px;
        }

        /* ============================================================
           徽章 / 标签
        ============================================================ */
        .badge-tag {
            display: inline-block;
            padding: 4px 14px;
            background: var(--clr-bg-alt);
            color: var(--clr-text-muted);
            font-size: 13px;
            border-radius: 999px;
            line-height: 1.6;
        }
        .badge-tag--mist {
            background: rgba(169, 188, 201, 0.25);
            color: #55616b;
        }
        .badge-tag--gold {
            background: rgba(198, 165, 104, 0.15);
            color: #8a6f3d;
        }
        .badge-tag--dark {
            background: var(--clr-dark);
            color: var(--clr-gold);
        }

        /* ============================================================
           区块标题
        ============================================================ */
        .section-head {
            margin-bottom: 48px;
            position: relative;
        }
        .section-head .sec-label {
            font-size: 14px;
            letter-spacing: 0.04em;
            color: var(--clr-text-muted);
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 10px;
            text-transform: uppercase;
        }
        .section-head .sec-label::before {
            content: "";
            display: inline-block;
            width: 18px;
            height: 2px;
            background: var(--clr-gold);
        }
        .section-head h2 {
            font-size: 32px;
            margin-bottom: 12px;
        }
        .section-head .sec-line {
            display: block;
            width: 60px;
            height: 2px;
            background: var(--clr-gold);
            margin-top: 16px;
        }
        .section-head--center {
            text-align: center;
        }
        .section-head--center .sec-label {
            justify-content: center;
        }
        .section-head--center .sec-line {
            margin-left: auto;
            margin-right: auto;
        }

        /* ============================================================
           侧边导航（桌面）
        ============================================================ */
        .site-sidebar {
            position: fixed;
            top: 0;
            left: 0;
            width: 232px;
            height: 100vh;
            background: var(--clr-dark);
            z-index: 1040;
            display: flex;
            flex-direction: column;
            overflow-y: auto;
            border-right: 1px solid rgba(255,255,255,0.04);
        }
        .sidebar-brand {
            padding: 36px 24px 28px;
            border-bottom: 1px solid rgba(255,255,255,0.06);
        }
        .sidebar-brand .brand-mark {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 8px;
        }
        .sidebar-brand .brand-name {
            font-family: var(--font-serif);
            font-size: 17px;
            font-weight: 600;
            color: #FFFFFF;
            letter-spacing: 0.06em;
            line-height: 1.3;
        }
        .sidebar-brand .brand-en {
            display: block;
            font-size: 12px;
            letter-spacing: 0.14em;
            color: rgba(255,255,255,0.4);
            margin-top: 4px;
            padding-left: 42px;
        }
        .sidebar-nav {
            padding: 24px 16px;
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 4px;
        }
        .sidebar-nav .nav-link {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 14px 16px;
            font-size: 15px;
            color: #C9CDD4;
            border-radius: 4px;
            border-left: 2px solid transparent;
            text-decoration: none;
            transition: all var(--transition);
        }
        .sidebar-nav .nav-link i {
            font-size: 15px;
            width: 20px;
            text-align: center;
            opacity: 0.7;
        }
        .sidebar-nav .nav-link:hover {
            color: var(--clr-gold);
            background: rgba(255,255,255,0.03);
        }
        .sidebar-nav .nav-link.active {
            color: #FFFFFF;
            background: rgba(255,255,255,0.04);
            border-left-color: var(--clr-gold);
        }
        .sidebar-nav .nav-link.active i {
            color: var(--clr-gold);
            opacity: 1;
        }
        .sidebar-info {
            padding: 20px 24px 24px;
            border-top: 1px solid rgba(255,255,255,0.06);
        }
        .sidebar-info .info-item {
            font-size: 13px;
            color: rgba(255,255,255,0.45);
            line-height: 1.7;
            display: flex;
            gap: 8px;
            margin-bottom: 6px;
        }
        .sidebar-info .info-item i {
            color: var(--clr-gold);
            margin-top: 4px;
            width: 14px;
            font-size: 12px;
        }
        .sidebar-cta {
            margin-top: 16px;
        }
        .sidebar-cta .btn-outline-gold {
            width: 100%;
            font-size: 14px;
            padding: 10px 16px;
        }

        /* ============================================================
           移动端顶栏
        ============================================================ */
        .mobile-topbar {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: 64px;
            background: var(--clr-dark);
            z-index: 1035;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0 20px;
            box-shadow: 0 2px 12px rgba(0,0,0,0.3);
        }
        .mobile-topbar .mobile-brand {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .mobile-topbar .mobile-brand .brand-name {
            font-family: var(--font-serif);
            font-size: 16px;
            font-weight: 600;
            color: #FFFFFF;
            letter-spacing: 0.04em;
        }
        .mobile-topbar .btn-menu {
            background: transparent;
            border: 1px solid rgba(255,255,255,0.2);
            color: #FFFFFF;
            width: 42px;
            height: 38px;
            border-radius: 4px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            cursor: pointer;
            transition: all var(--transition);
        }
        .mobile-topbar .btn-menu:hover {
            border-color: var(--clr-gold);
            color: var(--clr-gold);
        }

        /* Offcanvas 定制 */
        .offcanvas {
            background: var(--clr-dark);
            color: #C9CDD4;
        }
        .offcanvas .offcanvas-header {
            border-bottom: 1px solid rgba(255,255,255,0.06);
            padding: 20px 20px;
        }
        .offcanvas .offcanvas-body {
            padding: 20px;
        }
        .offcanvas .btn-close {
            background: transparent;
            color: #FFFFFF;
            opacity: 0.8;
            filter: invert(1);
            font-size: 14px;
        }
        .offcanvas .sidebar-nav {
            padding: 0;
        }
        .offcanvas .sidebar-nav .nav-link {
            padding: 14px 12px;
        }
        .offcanvas .sidebar-info {
            padding: 20px 0 0;
            border-top: 1px solid rgba(255,255,255,0.08);
        }

        /* ============================================================
           页面主体
        ============================================================ */
        .site-main {
            margin-left: 232px;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            background: var(--clr-bg);
        }
        .site-main > main {
            flex: 1;
        }

        /* ============================================================
           面包屑
        ============================================================ */
        .breadcrumb-bar {
            padding: 16px 0;
            background: var(--clr-bg);
            border-bottom: 1px solid var(--clr-line);
        }
        .breadcrumb-bar .breadcrumb {
            margin: 0;
            font-size: 14px;
        }
        .breadcrumb-bar .breadcrumb-item {
            color: var(--clr-text-muted);
        }
        .breadcrumb-bar .breadcrumb-item a {
            color: var(--clr-text-muted);
        }
        .breadcrumb-bar .breadcrumb-item a:hover {
            color: var(--clr-gold);
        }
        .breadcrumb-bar .breadcrumb-item.active {
            color: var(--clr-gold);
        }
        .breadcrumb-bar .breadcrumb-item + .breadcrumb-item::before {
            color: rgba(122,127,137,0.5);
        }

        /* ============================================================
           分类页首屏 Hero
        ============================================================ */
        .category-hero {
            position: relative;
            min-height: 420px;
            display: flex;
            align-items: center;
            background-color: var(--clr-dark);
            background-image: linear-gradient(110deg, rgba(27,31,39,0.92) 35%, rgba(27,31,39,0.45)), url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            padding: 80px 0;
            overflow: hidden;
        }
        .category-hero .hero-content {
            max-width: 720px;
        }
        .category-hero .hero-flag {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 13px;
            letter-spacing: 0.08em;
            color: var(--clr-gold);
            margin-bottom: 20px;
            text-transform: uppercase;
        }
        .category-hero .hero-flag::before {
            content: "";
            width: 24px;
            height: 2px;
            background: var(--clr-gold);
        }
        .category-hero h1 {
            font-size: 46px;
            color: #FFFFFF;
            margin-bottom: 16px;
            line-height: 1.3;
        }
        .category-hero .hero-sub {
            font-size: 16px;
            color: rgba(255,255,255,0.7);
            line-height: 1.8;
            margin-bottom: 28px;
        }
        .category-hero .hero-actions {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }
        .category-hero .hero-line {
            display: block;
            width: 60px;
            height: 2px;
            background: var(--clr-gold);
            margin: 20px 0;
        }

        /* ============================================================
           通用区块间距
        ============================================================ */
        .page-section {
            padding: 100px 0;
        }
        .page-section--alt {
            background: var(--clr-bg-alt);
        }
        .page-section--dark {
            background: var(--clr-dark);
            color: rgba(255,255,255,0.7);
        }
        .page-section--dark h2,
        .page-section--dark h3 {
            color: #FFFFFF;
        }
        .page-section--dark .sec-label {
            color: rgba(255,255,255,0.45);
        }

        /* ============================================================
           图文概览区
        ============================================================ */
        .overview-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 64px;
            align-items: center;
        }
        .overview-block .ov-text .ov-num {
            font-family: var(--font-serif);
            font-size: 88px;
            font-weight: 600;
            color: transparent;
            -webkit-text-stroke: 1px rgba(198,165,104,0.5);
            line-height: 1;
            margin-bottom: 12px;
            display: block;
        }
        .overview-block .ov-text h3 {
            font-size: 22px;
            margin-bottom: 16px;
        }
        .overview-block .ov-text p {
            font-size: 15px;
            color: var(--clr-text-muted);
            line-height: 1.8;
        }
        .overview-block .ov-text .ov-more {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--clr-gold);
            margin-top: 16px;
            transition: gap var(--transition);
        }
        .overview-block .ov-text .ov-more:hover {
            gap: 14px;
        }
        .overview-block .ov-img {
            position: relative;
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }
        .overview-block .ov-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            aspect-ratio: 4/3;
            transition: transform 0.6s ease;
        }
        .overview-block .ov-img:hover img {
            transform: scale(1.02);
        }
        .overview-block .ov-img::after {
            content: "";
            position: absolute;
            inset: 0;
            border-radius: var(--radius-card);
            box-shadow: inset 0 0 0 1px rgba(255,255,255,0.12);
            pointer-events: none;
        }
        .overview-block--reverse .ov-img {
            order: -1;
        }

        /* ============================================================
           资源分类卡片
        ============================================================ */
        .resource-cards {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 32px;
        }
        .resource-card {
            background: var(--clr-surface);
            border-radius: var(--radius-card);
            padding: 28px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--clr-line);
            transition: all var(--transition);
            position: relative;
            overflow: hidden;
        }
        .resource-card::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 3px;
            background: var(--clr-gold);
            opacity: 0;
            transition: opacity var(--transition);
        }
        .resource-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(198,165,104,0.3);
        }
        .resource-card:hover::before {
            opacity: 1;
        }
        .resource-card .card-icon {
            width: 48px;
            height: 48px;
            border-radius: 8px;
            background: rgba(198,165,104,0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--clr-gold);
            margin-bottom: 18px;
        }
        .resource-card h3 {
            font-size: 18px;
            margin-bottom: 10px;
        }
        .resource-card p {
            font-size: 14px;
            color: var(--clr-text-muted);
            line-height: 1.7;
            margin-bottom: 14px;
        }
        .resource-card .badge-tag {
            font-size: 12px;
            padding: 3px 12px;
        }
        .resource-card .card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            color: var(--clr-gold);
            margin-top: 12px;
            transition: gap var(--transition);
        }
        .resource-card .card-link:hover {
            gap: 12px;
            color: var(--clr-gold-light);
        }

        /* ============================================================
           精选资源列表
        ============================================================ */
        .resource-list {
            margin: 0;
        }
        .resource-list .rl-item {
            display: flex;
            align-items: center;
            gap: 24px;
            padding: 28px 0;
            border-bottom: 1px solid var(--clr-line);
            transition: all var(--transition);
        }
        .resource-list .rl-item:first-child {
            border-top: 1px solid var(--clr-line);
        }
        .resource-list .rl-item:hover {
            padding-left: 8px;
        }
        .resource-list .rl-tag {
            flex-shrink: 0;
            width: 90px;
        }
        .resource-list .rl-body {
            flex: 1;
            min-width: 0;
        }
        .resource-list .rl-body h3 {
            font-size: 17px;
            font-weight: 500;
            margin-bottom: 4px;
            transition: color var(--transition);
        }
        .resource-list .rl-item:hover .rl-body h3 {
            color: var(--clr-gold);
        }
        .resource-list .rl-body p {
            font-size: 14px;
            color: var(--clr-text-muted);
            line-height: 1.6;
            margin: 0;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .resource-list .rl-meta {
            flex-shrink: 0;
            display: flex;
            align-items: center;
            gap: 16px;
            color: var(--clr-mist);
            font-size: 14px;
        }
        .resource-list .rl-meta .rl-arrow {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            border: 1px solid var(--clr-line);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            color: var(--clr-text-muted);
            transition: all var(--transition);
        }
        .resource-list .rl-item:hover .rl-arrow {
            background: var(--clr-gold);
            border-color: var(--clr-gold);
            color: var(--clr-dark);
        }

        /* ============================================================
           流程步骤区
        ============================================================ */
        .steps-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 64px;
        }
        .steps-panel .steps-list {
            position: relative;
            padding: 0;
        }
        .steps-panel .steps-list::before {
            content: "";
            position: absolute;
            left: 11px;
            top: 20px;
            bottom: 20px;
            width: 1px;
            background: rgba(198,165,104,0.3);
        }
        .steps-panel .step-item {
            position: relative;
            padding: 0 0 32px 48px;
        }
        .steps-panel .step-item:last-child {
            padding-bottom: 0;
        }
        .steps-panel .step-dot {
            position: absolute;
            left: 0;
            top: 6px;
            width: 23px;
            height: 23px;
            border-radius: 50%;
            background: var(--clr-dark);
            border: 2px solid var(--clr-gold);
            box-shadow: 0 0 0 4px rgba(198,165,104,0.12);
        }
        .steps-panel .step-item h4 {
            font-size: 16px;
            color: #FFFFFF;
            margin-bottom: 6px;
        }
        .steps-panel .step-item p {
            font-size: 14px;
            color: rgba(255,255,255,0.55);
            line-height: 1.7;
            margin: 0;
        }
        .steps-side .steps-img {
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            border: 1px solid rgba(255,255,255,0.1);
        }
        .steps-side .steps-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            aspect-ratio: 4/3;
        }

        /* ============================================================
           FAQ
        ============================================================ */
        .faq-wrap {
            max-width: 860px;
            margin: 0 auto;
        }
        .faq-wrap .accordion-item {
            border: 1px solid var(--clr-line);
            border-radius: var(--radius-card);
            margin-bottom: 16px;
            overflow: hidden;
            background: var(--clr-surface);
            box-shadow: var(--shadow-sm);
        }
        .faq-wrap .accordion-item:last-child {
            margin-bottom: 0;
        }
        .faq-wrap .accordion-button {
            font-size: 16px;
            font-weight: 500;
            font-family: var(--font-sans);
            color: var(--clr-text);
            background: var(--clr-surface);
            padding: 20px 24px;
            border: none;
            box-shadow: none;
            transition: color var(--transition);
        }
        .faq-wrap .accordion-button:hover {
            color: var(--clr-gold);
        }
        .faq-wrap .accordion-button:not(.collapsed) {
            background: var(--clr-surface);
            color: var(--clr-gold);
            box-shadow: none;
        }
        .faq-wrap .accordion-button:focus {
            box-shadow: none;
            border-color: var(--clr-gold);
        }
        .faq-wrap .accordion-button::after {
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%23C6A568'%3E%3Cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3E%3C/svg%3E");
            transition: transform var(--transition);
        }
        .faq-wrap .accordion-button:not(.collapsed)::after {
            transform: rotate(180deg);
        }
        .faq-wrap .accordion-body {
            padding: 0 24px 20px;
            font-size: 15px;
            color: var(--clr-text-muted);
            line-height: 1.8;
        }

        /* ============================================================
           CTA 横幅
        ============================================================ */
        .cta-banner {
            background: var(--clr-dark);
            border-radius: 8px;
            padding: 72px 48px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-banner::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 1px;
            background: linear-gradient(90deg, transparent, var(--clr-gold), transparent);
        }
        .cta-banner::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 1px;
            background: linear-gradient(90deg, transparent, var(--clr-gold), transparent);
        }
        .cta-banner h2 {
            color: #FFFFFF;
            font-size: 28px;
            margin-bottom: 12px;
        }
        .cta-banner p {
            color: rgba(255,255,255,0.6);
            font-size: 15px;
            max-width: 560px;
            margin: 0 auto 28px;
        }
        .cta-banner .btn-gold {
            min-width: 160px;
        }

        /* ============================================================
           页脚
        ============================================================ */
        .site-footer {
            background: var(--clr-dark);
            color: rgba(255,255,255,0.6);
            border-top: 1px solid var(--clr-gold);
            margin-top: auto;
        }
        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
            gap: 48px;
            padding: 60px 0 40px;
        }
        .site-footer .footer-brand {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 14px;
        }
        .site-footer .footer-brand-name {
            font-family: var(--font-serif);
            font-size: 18px;
            font-weight: 600;
            color: #FFFFFF;
            letter-spacing: 0.05em;
        }
        .site-footer .footer-about {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255,255,255,0.45);
            margin: 0;
        }
        .site-footer .footer-col-title {
            font-family: var(--font-sans);
            font-size: 15px;
            font-weight: 600;
            color: #FFFFFF;
            margin-bottom: 16px;
            letter-spacing: 0.05em;
        }
        .site-footer .footer-links li {
            margin-bottom: 10px;
        }
        .site-footer .footer-links a {
            font-size: 14px;
            color: rgba(255,255,255,0.5);
            transition: all var(--transition);
        }
        .site-footer .footer-links a:hover {
            color: var(--clr-gold);
            padding-left: 4px;
        }
        .site-footer .footer-contact li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 14px;
            color: rgba(255,255,255,0.5);
            margin-bottom: 10px;
        }
        .site-footer .footer-contact i {
            color: var(--clr-gold);
            margin-top: 5px;
            width: 16px;
            font-size: 13px;
        }
        .site-footer .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.06);
            padding: 20px 0;
            text-align: center;
        }
        .site-footer .footer-bottom p {
            font-size: 13px;
            color: rgba(255,255,255,0.35);
            margin: 0;
        }

        /* ============================================================
           滚动出现动画
        ============================================================ */
        .reveal {
            opacity: 0;
            transform: translateY(20px);
            transition: opacity 0.6s ease, transform 0.6s ease;
        }
        .reveal.visible {
            opacity: 1;
            transform: translateY(0);
        }

        /* ============================================================
           响应式断点
        ============================================================ */
        @media (max-width: 991.98px) {
            .site-sidebar { display: none !important; }
            .site-main { margin-left: 0; }
            .mobile-topbar { display: flex !important; }
            .site-main { padding-top: 64px; }

            .category-hero {
                min-height: 380px;
                padding: 60px 0;
            }
            .category-hero h1 {
                font-size: 36px;
            }

            .overview-block {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            .overview-block--reverse .ov-img {
                order: 0;
            }

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

            .steps-row {
                grid-template-columns: 1fr;
                gap: 48px;
            }

            .site-footer .footer-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 32px;
                padding: 48px 0 32px;
            }
        }

        @media (max-width: 767.98px) {
            .container-wide {
                padding: 0 20px;
            }
            .page-section {
                padding: 64px 0;
            }
            .category-hero {
                min-height: 340px;
                padding: 48px 0;
            }
            .category-hero h1 {
                font-size: 30px;
            }
            .category-hero .hero-sub {
                font-size: 15px;
            }
            .category-hero .hero-actions {
                flex-direction: column;
                gap: 12px;
            }
            .category-hero .hero-actions .btn-gold,
            .category-hero .hero-actions .btn-outline-gold {
                width: 100%;
            }

            .section-head h2 {
                font-size: 24px;
            }

            .resource-cards {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .resource-card {
                padding: 24px;
            }

            .resource-list .rl-item {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
                padding: 20px 0;
            }
            .resource-list .rl-item:hover {
                padding-left: 4px;
            }
            .resource-list .rl-meta .rl-arrow {
                display: none;
            }

            .steps-row {
                gap: 32px;
            }
            .overview-block .ov-text .ov-num {
                font-size: 64px;
            }

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

            .cta-banner {
                padding: 48px 24px;
            }
            .cta-banner h2 {
                font-size: 22px;
            }
        }

        @media (max-width: 575.98px) {
            .mobile-topbar {
                height: 60px;
            }
            .mobile-topbar .mobile-brand .brand-name {
                font-size: 15px;
            }
            .site-main {
                padding-top: 60px;
            }
            .breadcrumb-bar {
                padding: 12px 0;
            }
        }

        /* 桌面端隐藏移动顶栏 */
        @media (min-width: 992px) {
            .mobile-topbar {
                display: none !important;
            }
        }

/* roulang page: article */
:root {
        --clr-bg: #F7F5F1;
        --clr-bg-alt: #ECE8E0;
        --clr-surface: #FFFFFF;
        --clr-dark: #1B1F27;
        --clr-dark-2: #232833;
        --clr-gold: #C6A568;
        --clr-gold-light: #D9BE8E;
        --clr-text: #2C2F36;
        --clr-text-muted: #7A7F89;
        --clr-mist: #A9BCC9;
        --clr-line: #E2DDD3;
        --font-serif: 'Noto Serif SC', 'Source Han Serif SC', 'Songti SC', serif;
        --font-sans: 'Noto Sans SC', 'PingFang SC', system-ui, sans-serif;
        --radius-sm: 2px;
        --radius-md: 6px;
        --radius-lg: 12px;
        --shadow-sm: 0 2px 8px rgba(0,0,0,0.04);
        --shadow-hover: 0 12px 32px rgba(0,0,0,0.08);
        --transition: 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    }
    *, *::before, *::after { margin:0; padding:0; box-sizing:border-box; }
    html { scroll-behavior:smooth; }
    body {
        font-family: var(--font-sans);
        font-size:16px;
        line-height:1.8;
        color: var(--clr-text);
        background: var(--clr-bg);
        -webkit-font-smoothing: antialiased;
        overflow-x: hidden;
    }
    a { color:inherit; text-decoration:none; transition: var(--transition); }
    a:hover { color: var(--clr-gold); }
    img { max-width:100%; height:auto; display:block; }
    ul, ol { list-style:none; }
    h1, h2, h3, h4, h5, h6 { font-weight:600; line-height:1.3; color: var(--clr-text); }
    .container-wide { max-width:1400px; margin:0 auto; padding:0 24px; }

    /* ======= 左侧导航 ======= */
    .sidebar {
        position: fixed;
        top: 0;
        left: 0;
        width: 232px;
        height: 100vh;
        background: var(--clr-dark);
        z-index: 1060;
        display: flex;
        flex-direction: column;
        padding: 32px 0 24px;
        overflow-y: auto;
        border-right: 1px solid rgba(255,255,255,0.06);
    }
    .sidebar-brand {
        display: flex;
        align-items: center;
        gap: 12px;
        padding: 0 28px;
        margin-bottom: 30px;
    }
    .sidebar-brand svg { flex-shrink:0; }
    .sidebar-brand-text { display:flex; flex-direction:column; }
    .sidebar-brand-name {
        font-family: var(--font-serif);
        font-size: 18px;
        font-weight: 600;
        color: #fff;
        letter-spacing: 0.04em;
        line-height:1.3;
    }
    .sidebar-brand-en {
        font-size: 10px;
        color: #7A7F89;
        letter-spacing: 0.16em;
        text-transform: uppercase;
        margin-top:2px;
    }
    .sidebar-nav { flex:1; padding: 0; }
    .sidebar-nav .nav-link {
        display: flex;
        align-items: center;
        gap: 14px;
        padding: 13px 28px;
        color: #C9CDD4;
        font-size: 15px;
        font-weight: 400;
        border-left: 2px solid transparent;
        transition: var(--transition);
        width: 100%;
        background: transparent;
        border-radius: 0;
    }
    .sidebar-nav .nav-link i {
        width: 20px;
        text-align: center;
        font-size: 15px;
        opacity: 0.85;
    }
    .sidebar-nav .nav-link:hover {
        color: var(--clr-gold);
        border-left-color: var(--clr-gold);
        background: rgba(255,255,255,0.02);
    }
    .sidebar-nav .nav-link.active {
        color: #fff;
        border-left-color: var(--clr-gold);
        background: rgba(255,255,255,0.04);
        font-weight: 500;
    }
    .sidebar-bottom {
        padding: 20px 28px 0;
        border-top: 1px solid rgba(255,255,255,0.08);
        margin-top: 16px;
    }
    .sidebar-bottom p {
        font-size: 13px;
        color: #7A7F89;
        margin: 6px 0;
        display: flex;
        align-items: center;
        gap: 10px;
    }
    .sidebar-bottom p i { width: 16px; text-align:center; color: var(--clr-gold); }
    .sidebar-cta {
        display: block;
        width: 100%;
        margin-top: 18px;
        text-align: center;
        padding: 11px 16px;
        border: 1px solid var(--clr-gold);
        color: var(--clr-gold);
        font-size: 14px;
        border-radius: var(--radius-sm);
        transition: var(--transition);
    }
    .sidebar-cta:hover {
        background: rgba(198,165,104,0.12);
        color: var(--clr-gold-light);
        border-color: var(--clr-gold-light);
    }

    /* ======= 移动端顶部 ======= */
    .mobile-header {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        height: 64px;
        background: var(--clr-dark);
        z-index: 1050;
        align-items: center;
        justify-content: space-between;
        padding: 0 20px;
        border-bottom: 1px solid rgba(255,255,255,0.08);
    }
    .mobile-brand {
        display: flex;
        align-items: center;
        gap: 10px;
        color: #fff;
        font-family: var(--font-serif);
        font-size: 17px;
        font-weight: 600;
    }
    .mobile-nav-toggle {
        background: none;
        border: none;
        color: var(--clr-gold);
        font-size: 22px;
        line-height: 1;
        padding: 8px;
        cursor: pointer;
        transition: var(--transition);
    }
    .mobile-nav-toggle:hover { color: var(--clr-gold-light); }
    .offcanvas { background: var(--clr-dark); max-width: 300px; }
    .offcanvas-header { border-bottom: 1px solid rgba(255,255,255,0.08); padding: 20px 24px; }
    .offcanvas-brand {
        color: #fff;
        font-family: var(--font-serif);
        font-size: 18px;
        font-weight: 600;
        display: flex;
        align-items: center;
        gap: 10px;
    }
    .offcanvas-brand i { color: var(--clr-gold); }
    .offcanvas-body { padding: 20px 0; }
    .offcanvas .btn-close { filter: invert(1) brightness(1.5); }
    .mobile-sidebar-nav .nav-link {
        display: flex;
        align-items: center;
        gap: 14px;
        padding: 14px 28px;
        color: #C9CDD4;
        font-size: 15px;
        border-left: 2px solid transparent;
        transition: var(--transition);
    }
    .mobile-sidebar-nav .nav-link i { width: 20px; text-align: center; color: var(--clr-gold); }
    .mobile-sidebar-nav .nav-link.active { color: #fff; border-left-color: var(--clr-gold); background: rgba(255,255,255,0.04); }
    .mobile-sidebar-nav .nav-link:hover { color: var(--clr-gold); }
    .mobile-nav-bottom { padding: 24px 28px; border-top: 1px solid rgba(255,255,255,0.08); margin-top: 20px; }
    .mobile-nav-bottom p { font-size: 13px; color: #7A7F89; margin: 6px 0; }

    /* ======= 主内容 ======= */
    .main-wrapper {
        margin-left: 232px;
        min-height: 100vh;
        display: flex;
        flex-direction: column;
        background: var(--clr-bg);
    }
    .main-wrapper main { flex: 1; }

    /* ======= 文章页 ======= */
    .article-main {
        padding: 48px 0 80px;
        background: var(--clr-bg);
        min-height: calc(100vh - 350px);
    }
    .article-container {
        max-width: 900px;
        margin: 0 auto;
        padding: 0 24px;
    }
    .breadcrumb-wrap { margin-bottom: 28px; }
    .breadcrumb {
        --bs-breadcrumb-divider: '/';
        margin-bottom: 0;
        font-size: 14px;
        background: transparent;
        padding: 0;
    }
    .breadcrumb-item a { color: var(--clr-text-muted); }
    .breadcrumb-item a:hover { color: var(--clr-gold); }
    .breadcrumb-item.active { color: var(--clr-gold); }
    .breadcrumb-item + .breadcrumb-item::before { color: var(--clr-mist); }

    .article-header {
        margin-bottom: 36px;
        padding-bottom: 32px;
        border-bottom: 1px solid var(--clr-line);
    }
    .article-title {
        font-family: var(--font-serif);
        font-size: clamp(30px, 4vw, 40px);
        font-weight: 600;
        line-height: 1.35;
        color: var(--clr-text);
        margin-bottom: 18px;
        letter-spacing: 0.01em;
    }
    .article-meta {
        display: flex;
        align-items: center;
        flex-wrap: wrap;
        gap: 16px;
        font-size: 14px;
        color: var(--clr-text-muted);
        margin-bottom: 22px;
    }
    .article-date i { margin-right: 6px; color: var(--clr-mist); }
    .article-category-badge {
        display: inline-block;
        padding: 4px 14px;
        border-radius: 999px;
        background: rgba(169,188,201,0.25);
        color: var(--clr-text);
        font-size: 13px;
        font-weight: 500;
        letter-spacing: 0.02em;
    }
    .gold-line {
        width: 60px;
        height: 2px;
        background: var(--clr-gold);
        border-radius: 2px;
    }

    /* ======= 正文 ======= */
    .article-body {
        font-size: 17px;
        line-height: 1.9;
        color: var(--clr-text);
    }
    .article-body p {
        margin-bottom: 22px;
        letter-spacing: 0.01em;
    }
    .article-body h2 {
        font-family: var(--font-serif);
        font-size: 26px;
        font-weight: 600;
        margin: 48px 0 18px;
        padding-top: 12px;
        position: relative;
    }
    .article-body h2::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        width: 36px;
        height: 2px;
        background: var(--clr-gold);
    }
    .article-body h3 {
        font-family: var(--font-serif);
        font-size: 21px;
        font-weight: 500;
        margin: 36px 0 14px;
    }
    .article-body img {
        max-width: 100%;
        border-radius: 6px;
        margin: 28px 0 12px;
    }
    .article-body figure {
        margin: 28px 0;
    }
    .article-body figure img { margin: 0 0 8px; }
    .article-body figcaption {
        font-size: 13px;
        color: var(--clr-text-muted);
        text-align: center;
        padding: 0 16px;
    }
    .article-body blockquote {
        border-left: 3px solid var(--clr-gold);
        background: var(--clr-bg);
        padding: 20px 24px;
        font-size: 15px;
        color: var(--clr-text-muted);
        margin: 28px 0;
        border-radius: 0 4px 4px 0;
    }
    .article-body blockquote p { margin-bottom: 8px; }
    .article-body blockquote p:last-child { margin-bottom: 0; }
    .article-body ul, .article-body ol {
        padding-left: 24px;
        margin-bottom: 22px;
    }
    .article-body ul { list-style: disc; }
    .article-body ol { list-style: decimal; }
    .article-body li { margin-bottom: 8px; }
    .article-body a { color: var(--clr-gold); border-bottom: 1px solid rgba(198,165,104,0.3); padding-bottom: 1px; }
    .article-body a:hover { color: var(--clr-gold-light); border-bottom-color: var(--clr-gold); }
    .article-body code {
        background: var(--clr-bg-alt);
        padding: 2px 8px;
        border-radius: 4px;
        font-size: 15px;
    }
    .article-body pre {
        background: var(--clr-dark);
        color: #e8e8e8;
        padding: 20px 24px;
        border-radius: var(--radius-md);
        overflow-x: auto;
        margin: 28px 0;
    }
    .article-body pre code { background: none; color: inherit; padding: 0; }

    /* ======= 空状态 ======= */
    .article-empty {
        text-align: center;
        padding: 80px 24px;
        background: var(--clr-surface);
        border: 1px dashed var(--clr-line);
        border-radius: var(--radius-md);
    }
    .empty-icon {
        width: 64px;
        height: 64px;
        margin: 0 auto 20px;
        border: 2px dashed var(--clr-gold);
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 24px;
        color: var(--clr-gold);
    }
    .article-empty h2 {
        font-family: var(--font-serif);
        font-size: 24px;
        margin-bottom: 8px;
    }
    .article-empty p {
        color: var(--clr-text-muted);
        font-size: 15px;
        margin-bottom: 24px;
    }

    /* ======= 按钮 ======= */
    .btn-gold {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
        background: var(--clr-gold);
        color: var(--clr-dark);
        border: 1px solid transparent;
        border-radius: var(--radius-sm);
        padding: 12px 32px;
        font-size: 15px;
        font-weight: 500;
        line-height: 1.5;
        transition: var(--transition);
        cursor: pointer;
    }
    .btn-gold:hover {
        background: var(--clr-gold-light);
        color: var(--clr-dark);
        box-shadow: 0 6px 20px rgba(198,165,104,0.35);
        transform: translateY(-1px);
    }
    .btn-gold:focus {
        outline: 2px solid var(--clr-gold);
        outline-offset: 2px;
    }
    .btn-outline-gold {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
        background: transparent;
        color: var(--clr-gold);
        border: 1px solid var(--clr-gold);
        border-radius: var(--radius-sm);
        padding: 12px 32px;
        font-size: 15px;
        font-weight: 500;
        transition: var(--transition);
        cursor: pointer;
    }
    .btn-outline-gold:hover {
        background: rgba(198,165,104,0.1);
        color: var(--clr-gold-light);
        border-color: var(--clr-gold-light);
    }
    .btn-outline-gold:focus {
        outline: 2px solid var(--clr-gold);
        outline-offset: 2px;
    }

    /* ======= 标签 ======= */
    .article-tags {
        margin-top: 40px;
        padding-top: 24px;
        border-top: 1px solid var(--clr-line);
        display: flex;
        flex-wrap: wrap;
        gap: 12px;
    }
    .tag-badge {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        padding: 6px 16px;
        border-radius: 999px;
        background: var(--clr-bg-alt);
        color: var(--clr-text-muted);
        font-size: 13px;
        transition: var(--transition);
    }
    .tag-badge:hover {
        color: var(--clr-text);
        background: var(--clr-line);
    }
    .tag-badge i { color: var(--clr-gold); font-size: 12px; }

    /* ======= 相关推荐 ======= */
    .related-section {
        margin-top: 56px;
        padding-top: 8px;
    }
    .related-heading {
        margin-bottom: 28px;
    }
    .related-heading h2 {
        font-family: var(--font-serif);
        font-size: 26px;
        font-weight: 600;
        color: var(--clr-text);
        padding-left: 16px;
        border-left: 4px solid var(--clr-gold);
        margin-bottom: 12px;
        line-height: 1.4;
    }
    .related-card {
        background: var(--clr-surface);
        border: 1px solid var(--clr-line);
        border-radius: var(--radius-md);
        overflow: hidden;
        height: 100%;
        transition: var(--transition);
    }
    .related-card:hover {
        transform: translateY(-4px);
        box-shadow: var(--shadow-hover);
        border-color: rgba(198,165,104,0.3);
    }
    .related-card img {
        width: 100%;
        aspect-ratio: 4/3;
        object-fit: cover;
        transition: transform 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    }
    .related-card:hover img { transform: scale(1.03); }
    .related-card-body { padding: 18px 20px 20px; }
    .related-card h3 {
        font-family: var(--font-serif);
        font-size: 16px;
        font-weight: 500;
        line-height: 1.5;
        margin-bottom: 8px;
        color: var(--clr-text);
    }
    .related-card:hover h3 { color: var(--clr-gold); }
    .related-date {
        font-size: 13px;
        color: var(--clr-mist);
        display: flex;
        align-items: center;
        gap: 6px;
    }

    /* ======= 返回 ======= */
    .article-back {
        margin-top: 48px;
        text-align: center;
        padding-top: 32px;
        border-top: 1px solid var(--clr-line);
    }

    /* ======= 页脚 ======= */
    .site-footer {
        background: var(--clr-dark);
        color: #C9CDD4;
        border-top: 1px solid rgba(198,165,104,0.4);
    }
    .footer-grid {
        display: grid;
        grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
        gap: 48px;
        padding: 56px 0 40px;
    }
    .footer-brand {
        display: flex;
        align-items: center;
        gap: 12px;
        margin-bottom: 16px;
    }
    .footer-brand svg { flex-shrink: 0; }
    .footer-brand-name {
        font-family: var(--font-serif);
        font-size: 20px;
        font-weight: 600;
        color: #fff;
        letter-spacing: 0.04em;
    }
    .footer-about {
        font-size: 14px;
        color: #7A7F89;
        line-height: 1.8;
        max-width: 320px;
    }
    .footer-col-title {
        font-family: var(--font-serif);
        font-size: 16px;
        font-weight: 600;
        color: #fff;
        margin-bottom: 18px;
        letter-spacing: 0.03em;
    }
    .footer-links li { margin-bottom: 10px; }
    .footer-links a {
        font-size: 14px;
        color: #C9CDD4;
    }
    .footer-links a:hover { color: var(--clr-gold); padding-left: 4px; }
    .footer-contact li {
        font-size: 14px;
        color: #C9CDD4;
        margin-bottom: 12px;
        display: flex;
        align-items: center;
        gap: 10px;
    }
    .footer-contact i {
        width: 18px;
        text-align: center;
        color: var(--clr-gold);
        font-size: 14px;
    }
    .footer-bottom {
        border-top: 1px solid rgba(255,255,255,0.06);
        padding: 22px 0;
        text-align: center;
    }
    .footer-bottom p {
        font-size: 13px;
        color: #7A7F89;
        margin: 0;
    }

    /* ======= 响应式 ======= */
    @media (max-width: 1199.98px) {
        .footer-grid {
            grid-template-columns: 1.2fr 1fr 1fr;
            gap: 36px;
        }
    }
    @media (max-width: 991.98px) {
        .sidebar { display: none; }
        .mobile-header { display: flex; }
        .main-wrapper { margin-left: 0; padding-top: 64px; }
        .article-main { padding: 36px 0 64px; }
        .footer-grid { grid-template-columns: 1fr 1fr; }
    }
    @media (max-width: 767.98px) {
        .article-container { padding: 0 16px; }
        .article-main { padding: 28px 0 56px; }
        .article-title { font-size: 28px; }
        .article-body { font-size: 16px; }
        .article-meta { gap: 12px; flex-wrap: wrap; }
        .footer-grid { grid-template-columns: 1fr; gap: 32px; padding: 44px 0 28px; }
        .footer-about { max-width: 100%; }
        .related-card h3 { font-size: 15px; }
        .btn-gold, .btn-outline-gold { padding: 11px 24px; font-size: 14px; }
    }
    @media (max-width: 575.98px) {
        .mobile-header { height: 60px; padding: 0 16px; }
        .mobile-brand { font-size: 15px; }
        .breadcrumb { font-size: 13px; }
        .article-header { margin-bottom: 28px; padding-bottom: 24px; }
        .article-title { font-size: 24px; line-height: 1.4; }
        .article-body { font-size: 15px; line-height: 1.85; }
        .article-body h2 { font-size: 22px; }
        .article-body h3 { font-size: 19px; }
        .article-body blockquote { padding: 16px 18px; }
        .related-section { margin-top: 40px; }
        .related-heading h2 { font-size: 22px; }
        .article-back { margin-top: 36px; padding-top: 24px; }
    }

/* roulang page: category2 */
:root {
            --clr-bg: #F7F5F1;
            --clr-bg-alt: #ECE8E0;
            --clr-surface: #FFFFFF;
            --clr-dark: #1B1F27;
            --clr-dark-2: #232833;
            --clr-gold: #C6A568;
            --clr-gold-light: #D9BE8E;
            --clr-text: #2C2F36;
            --clr-text-muted: #7A7F89;
            --clr-mist: #A9BCC9;
            --clr-line: #E2DDD3;
            --radius-card: 6px;
            --radius-btn: 2px;
            --shadow-card: 0 2px 8px rgba(0, 0, 0, 0.04);
            --shadow-hover: 0 12px 32px rgba(0, 0, 0, 0.08);
            --transition-base: 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --cat-accent: #C6A568;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            font-family: "Noto Sans SC", "PingFang SC", system-ui, sans-serif;
            font-size: 16px;
            line-height: 1.8;
            color: var(--clr-text);
            background: var(--clr-bg);
            letter-spacing: 0.01em;
            -webkit-font-smoothing: antialiased;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-family: "Noto Serif SC", "Source Han Serif SC", "Songti SC", serif;
            color: var(--clr-dark);
            line-height: 1.3;
            margin-bottom: 0.5em;
        }

        img {
            max-width: 100%;
            border-radius: 4px;
        }

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

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

        .container-wide {
            max-width: 1200px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        .site-wrapper {
            min-height: 100vh;
        }

        /* ========== 左侧竖向导航 ========== */
        .site-sidebar {
            position: fixed;
            top: 0;
            left: 0;
            width: 232px;
            height: 100vh;
            background: var(--clr-dark);
            z-index: 1040;
            display: flex;
            flex-direction: column;
            transition: var(--transition-base);
        }

        .sidebar-inner {
            display: flex;
            flex-direction: column;
            flex: 1;
            overflow-y: auto;
            padding-bottom: 24px;
        }

        .sidebar-brand {
            padding: 44px 28px 28px;
            display: flex;
            flex-direction: column;
            align-items: flex-start;
        }

        .sidebar-brand svg {
            margin-bottom: 12px;
        }

        .brand-name {
            font-family: "Noto Serif SC", serif;
            font-size: 20px;
            font-weight: 600;
            color: #fff;
            letter-spacing: 0.06em;
        }

        .brand-en {
            font-size: 11px;
            color: #7A7F89;
            letter-spacing: 0.14em;
            text-transform: uppercase;
            margin-top: 4px;
        }

        .sidebar-nav {
            flex: 1;
            display: flex;
            flex-direction: column;
            padding: 12px 0;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            margin-bottom: 24px;
        }

        .nav-link {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 13px 28px;
            color: #C9CDD4;
            font-size: 15px;
            font-weight: 400;
            border-left: 2px solid transparent;
            position: relative;
            white-space: nowrap;
        }

        .nav-link i {
            width: 20px;
            text-align: center;
            font-size: 15px;
            opacity: 0.85;
        }

        .nav-link:hover {
            color: var(--clr-gold);
            border-left-color: var(--clr-gold);
            background: rgba(255, 255, 255, 0.02);
        }

        .nav-link.active {
            color: #fff;
            border-left-color: var(--clr-gold);
            background: rgba(255, 255, 255, 0.04);
            font-weight: 500;
        }

        .sidebar-footer {
            padding: 0 28px 24px;
        }

        .sidebar-contact {
            display: flex;
            flex-direction: column;
            gap: 6px;
            font-size: 13px;
            color: #7A7F89;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            padding-bottom: 20px;
            margin-bottom: 20px;
        }

        .sidebar-contact i {
            width: 16px;
            color: var(--clr-gold);
            margin-right: 6px;
        }

        .btn-gold {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--clr-gold);
            color: var(--clr-dark);
            font-size: 15px;
            font-weight: 500;
            padding: 12px 32px;
            border: 1px solid var(--clr-gold);
            border-radius: var(--radius-btn);
            transition: var(--transition-base);
            white-space: nowrap;
        }

        .btn-gold:hover,
        .btn-gold:focus-visible {
            background: var(--clr-gold-light);
            border-color: var(--clr-gold-light);
            color: var(--clr-dark);
            box-shadow: 0 6px 20px rgba(198, 165, 104, 0.35);
            outline: none;
        }

        .btn-outline-gold {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: transparent;
            color: var(--clr-gold);
            font-size: 14px;
            font-weight: 500;
            padding: 10px 28px;
            border: 1px solid var(--clr-gold);
            border-radius: var(--radius-btn);
            transition: var(--transition-base);
            white-space: nowrap;
        }

        .btn-outline-gold:hover,
        .btn-outline-gold:focus-visible {
            background: rgba(198, 165, 104, 0.12);
            color: var(--clr-gold-light);
            outline: none;
        }

        .btn-solid-white {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: #fff;
            color: var(--clr-dark);
            font-size: 15px;
            font-weight: 500;
            padding: 12px 32px;
            border: 1px solid #fff;
            border-radius: var(--radius-btn);
            transition: var(--transition-base);
            white-space: nowrap;
        }

        .btn-solid-white:hover,
        .btn-solid-white:focus-visible {
            background: rgba(255, 255, 255, 0.92);
            box-shadow: 0 6px 24px rgba(255, 255, 255, 0.15);
            outline: none;
        }

        /* ========== 主内容区 ========== */
        .main-area {
            margin-left: 232px;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        /* ========== 移动端顶部导航 ========== */
        .mobile-header {
            display: none;
            position: sticky;
            top: 0;
            z-index: 1030;
            height: 64px;
            background: var(--clr-dark);
            align-items: center;
            justify-content: space-between;
            padding: 0 20px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .mobile-brand {
            font-family: "Noto Serif SC", serif;
            font-size: 18px;
            font-weight: 600;
            color: #fff;
            letter-spacing: 0.04em;
        }

        .btn-open-menu {
            background: none;
            border: none;
            color: #fff;
            font-size: 22px;
            padding: 6px 10px;
            border-radius: 4px;
        }

        .btn-open-menu:focus-visible {
            outline: 2px solid var(--clr-gold);
            outline-offset: 2px;
        }

        .offcanvas-custom {
            background: var(--clr-dark) !important;
            width: 300px !important;
        }

        .offcanvas-custom .offcanvas-header {
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .offcanvas-brand {
            font-family: "Noto Serif SC", serif;
            font-size: 18px;
            font-weight: 600;
            color: #fff;
        }

        .offcanvas-custom .btn-close {
            filter: invert(1);
            opacity: 0.7;
        }

        .offcanvas-custom .sidebar-nav {
            border-top: none;
            margin-bottom: 0;
            padding-top: 24px;
        }

        /* ========== 分类页 Banner ========== */
        .page-banner {
            background: linear-gradient(110deg, rgba(27, 31, 39, 0.94) 35%, rgba(27, 31, 39, 0.45)), url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            padding: 120px 0 88px;
            position: relative;
            border-bottom: 2px solid var(--clr-gold);
        }

        .page-banner .breadcrumb-wrap {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 32px;
            letter-spacing: 0.02em;
        }

        .page-banner .breadcrumb-wrap a {
            color: rgba(255, 255, 255, 0.6);
        }

        .page-banner .breadcrumb-wrap a:hover {
            color: var(--clr-gold);
        }

        .page-banner .breadcrumb-wrap .current {
            color: var(--clr-gold);
        }

        .page-banner .breadcrumb-wrap .separator {
            margin: 0 10px;
            color: rgba(255, 255, 255, 0.35);
        }

        .page-banner h1 {
            font-size: 42px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 0.03em;
        }

        .page-banner .gold-line {
            width: 60px;
            height: 2px;
            background: var(--clr-gold);
            margin-bottom: 24px;
        }

        .page-banner .banner-lead {
            max-width: 640px;
            font-size: 16px;
            line-height: 1.85;
            color: rgba(255, 255, 255, 0.78);
            margin-bottom: 0;
        }

        /* ========== 区块通用 ========== */
        .section {
            padding: 100px 0;
        }

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

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

        .section-head {
            margin-bottom: 56px;
            max-width: 760px;
        }

        .section-en {
            font-size: 13px;
            font-weight: 500;
            letter-spacing: 0.18em;
            text-transform: uppercase;
            color: var(--clr-mist);
            margin-bottom: 8px;
            display: block;
        }

        .section-title {
            font-size: 32px;
            font-weight: 600;
            color: var(--clr-dark);
            margin-bottom: 14px;
            line-height: 1.35;
        }

        .section-gold-line {
            width: 60px;
            height: 2px;
            background: var(--clr-gold);
        }

        .section-head.light .section-title {
            color: #fff;
        }

        .section-head.light .section-en {
            color: rgba(255, 255, 255, 0.4);
        }

        .section-head.center {
            margin-left: auto;
            margin-right: auto;
            text-align: center;
        }

        .section-head.center .section-gold-line {
            margin-left: auto;
            margin-right: auto;
        }

        /* ========== 服务概览 ========== */
        .overview-img-wrap {
            position: relative;
            border-radius: 6px;
            overflow: hidden;
            box-shadow: var(--shadow-hover);
        }

        .overview-img-wrap img {
            width: 100%;
            height: 360px;
            object-fit: cover;
            display: block;
            transition: transform 0.6s ease;
        }

        .overview-img-wrap:hover img {
            transform: scale(1.02);
        }

        .overview-text {
            color: var(--clr-text-muted);
            font-size: 16px;
            line-height: 1.9;
        }

        .overview-text p {
            margin-bottom: 18px;
        }

        .overview-feature-list {
            list-style: none;
            padding: 0;
            margin: 24px 0 0;
        }

        .overview-feature-list li {
            display: flex;
            gap: 12px;
            padding: 10px 0;
            border-bottom: 1px solid var(--clr-line);
            font-size: 15px;
            color: var(--clr-text);
        }

        .overview-feature-list li i {
            color: var(--clr-gold);
            font-size: 14px;
            margin-top: 5px;
        }

        /* ========== 服务方向 ========== */
        .direction-card {
            background: var(--clr-surface);
            border: 1px solid var(--clr-line);
            border-radius: var(--radius-card);
            padding: 36px 32px;
            height: 100%;
            box-shadow: var(--shadow-card);
            transition: var(--transition-base);
            position: relative;
            overflow: hidden;
        }

        .direction-card::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 3px;
            background: var(--clr-gold);
            transform: scaleX(0);
            transform-origin: left;
            transition: transform 0.4s ease;
        }

        .direction-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(198, 165, 104, 0.3);
        }

        .direction-card:hover::before {
            transform: scaleX(1);
        }

        .direction-icon {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: rgba(198, 165, 104, 0.12);
            color: var(--clr-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            margin-bottom: 24px;
        }

        .direction-card h3 {
            font-size: 20px;
            font-weight: 600;
            margin-bottom: 12px;
        }

        .direction-card p {
            font-size: 14px;
            line-height: 1.85;
            color: var(--clr-text-muted);
            margin-bottom: 0;
        }

        .direction-card.featured {
            background: var(--clr-dark);
            border-color: var(--clr-dark);
        }

        .direction-card.featured h3 {
            color: #fff;
        }

        .direction-card.featured p {
            color: rgba(255, 255, 255, 0.65);
        }

        .direction-card.featured .direction-icon {
            background: rgba(198, 165, 104, 0.16);
            color: var(--clr-gold);
        }

        .direction-card.featured:hover {
            border-color: var(--clr-gold);
        }

        /* ========== 服务流程 ========== */
        .process-section {
            background: var(--clr-dark);
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .process-section::before {
            content: "";
            position: absolute;
            right: -120px;
            top: -120px;
            width: 320px;
            height: 320px;
            border-radius: 50%;
            background: rgba(198, 165, 104, 0.05);
        }

        .process-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 36px;
            margin-top: 40px;
            position: relative;
            z-index: 1;
        }

        .process-step {
            position: relative;
            padding-top: 36px;
            border-top: 1px solid rgba(255, 255, 255, 0.15);
        }

        .process-step-num {
            font-family: "Noto Serif SC", serif;
            font-size: 56px;
            font-weight: 600;
            line-height: 1;
            color: transparent;
            -webkit-text-stroke: 1px rgba(198, 165, 104, 0.6);
            margin-bottom: 18px;
        }

        .process-step h3 {
            font-size: 17px;
            font-weight: 500;
            color: #fff;
            margin-bottom: 8px;
        }

        .process-step p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.55);
            line-height: 1.8;
            margin-bottom: 0;
        }

        /* ========== 资讯索引 ========== */
        .info-list {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
        }

        .info-item {
            display: flex;
            align-items: center;
            gap: 24px;
            padding: 28px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            transition: var(--transition-base);
        }

        .info-badge {
            flex-shrink: 0;
            font-size: 12px;
            color: rgba(255, 255, 255, 0.75);
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: 999px;
            padding: 5px 16px;
            letter-spacing: 0.04em;
            white-space: nowrap;
        }

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

        .info-title {
            font-size: 17px;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.92);
            margin-bottom: 4px;
            transition: color 0.3s ease, transform 0.3s ease;
            display: inline-block;
        }

        .info-item:hover .info-title {
            color: var(--clr-gold);
            transform: translateX(4px);
        }

        .info-summary {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.5);
            line-height: 1.6;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }

        .info-date {
            flex-shrink: 0;
            font-size: 14px;
            color: var(--clr-mist);
            display: flex;
            align-items: center;
            gap: 10px;
            white-space: nowrap;
        }

        .info-date i {
            color: rgba(255, 255, 255, 0.35);
            font-size: 13px;
        }

        .info-more-link {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            margin-top: 36px;
            color: var(--clr-gold);
            font-size: 15px;
            border-bottom: 1px solid transparent;
        }

        .info-more-link:hover {
            color: var(--clr-gold-light);
            border-bottom-color: var(--clr-gold);
        }

        /* ========== FAQ ========== */
        .accordion-custom {
            max-width: 860px;
        }

        .accordion-custom .accordion-item {
            background: transparent;
            border: none;
            border-bottom: 1px solid var(--clr-line);
            border-radius: 0 !important;
        }

        .accordion-custom .accordion-button {
            background: transparent;
            border: none;
            box-shadow: none;
            padding: 22px 8px;
            font-family: "Noto Serif SC", serif;
            font-size: 17px;
            font-weight: 500;
            color: var(--clr-dark);
            position: relative;
            padding-left: 28px;
            border-radius: 0 !important;
        }

        .accordion-custom .accordion-button::before {
            content: "";
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 3px;
            height: 18px;
            background: var(--clr-gold);
            border-radius: 2px;
        }

        .accordion-custom .accordion-button::after {
            background-image: none;
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
            content: "\f078";
            color: var(--clr-gold);
            font-size: 14px;
            position: absolute;
            right: 8px;
        }

        .accordion-custom .accordion-button:not(.collapsed)::after {
            transform: rotate(180deg);
            background-image: none;
        }

        .accordion-custom .accordion-button:not(.collapsed) {
            color: var(--clr-dark);
            background: transparent;
            box-shadow: none;
        }

        .accordion-custom .accordion-button:focus-visible {
            box-shadow: none;
            outline: 2px solid var(--clr-gold);
            outline-offset: -2px;
        }

        .accordion-custom .accordion-body {
            padding: 6px 8px 28px 28px;
            font-size: 15px;
            color: var(--clr-text-muted);
            line-height: 1.85;
        }

        /* ========== CTA ========== */
        .cta-section {
            background: var(--clr-dark);
            border-top: 1px solid rgba(198, 165, 104, 0.2);
            border-bottom: 1px solid rgba(198, 165, 104, 0.2);
        }

        .cta-banner {
            background: var(--clr-dark-2);
            border: 1px solid rgba(198, 165, 104, 0.25);
            border-radius: 8px;
            padding: 72px 48px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-banner::before {
            content: "";
            position: absolute;
            left: -80px;
            bottom: -80px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(198, 165, 104, 0.06);
        }

        .cta-banner h2 {
            font-size: 28px;
            color: #fff;
            margin-bottom: 14px;
            font-weight: 600;
        }

        .cta-banner p {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.6);
            max-width: 560px;
            margin: 0 auto 32px;
        }

        .cta-banner .btn-gold {
            min-width: 160px;
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: var(--clr-dark);
            border-top: 1px solid rgba(198, 165, 104, 0.5);
            padding: 72px 0 32px;
            flex-shrink: 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.4fr;
            gap: 48px;
        }

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

        .footer-brand-name {
            font-family: "Noto Serif SC", serif;
            font-size: 18px;
            font-weight: 600;
            color: #fff;
            letter-spacing: 0.05em;
        }

        .footer-about {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.55);
            line-height: 1.85;
            margin-bottom: 0;
            max-width: 360px;
        }

        .footer-col-title {
            font-size: 16px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 22px;
            font-family: "Noto Serif SC", serif;
            position: relative;
            padding-bottom: 10px;
        }

        .footer-col-title::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: 0;
            width: 32px;
            height: 2px;
            background: var(--clr-gold);
        }

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

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

        .footer-links a {
            color: rgba(255, 255, 255, 0.55);
            font-size: 14px;
            line-height: 1.6;
        }

        .footer-links a:hover {
            color: var(--clr-gold);
        }

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

        .footer-contact li {
            display: flex;
            align-items: center;
            gap: 12px;
            color: rgba(255, 255, 255, 0.55);
            font-size: 14px;
            margin-bottom: 12px;
        }

        .footer-contact i {
            color: var(--clr-gold);
            width: 18px;
            font-size: 14px;
        }

        .footer-bottom {
            margin-top: 64px;
            padding-top: 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            text-align: center;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.4);
            letter-spacing: 0.02em;
        }

        /* ========== 滚动动画 ========== */
        .reveal {
            opacity: 0;
            transform: translateY(20px);
            transition: opacity 0.6s ease, transform 0.6s ease;
        }

        .reveal.visible {
            opacity: 1;
            transform: translateY(0);
        }

        /* ========== 响应式 ========== */
        @media (max-width: 1199.98px) {
            .process-steps {
                grid-template-columns: repeat(2, 1fr);
                gap: 32px;
            }
        }

        @media (max-width: 991.98px) {
            .site-sidebar {
                display: none;
            }

            .main-area {
                margin-left: 0;
            }

            .mobile-header {
                display: flex;
            }

            .page-banner {
                padding: 80px 0 56px;
            }

            .page-banner h1 {
                font-size: 34px;
            }

            .section {
                padding: 64px 0;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 40px;
            }
        }

        @media (max-width: 767.98px) {
            .section-title {
                font-size: 26px;
            }

            .page-banner h1 {
                font-size: 28px;
            }

            .process-steps {
                grid-template-columns: 1fr;
            }

            .info-item {
                flex-wrap: wrap;
                gap: 12px;
                padding: 22px 0;
            }

            .info-main {
                flex-basis: 100%;
                order: 3;
            }

            .info-summary {
                white-space: normal;
                display: -webkit-box;
                -webkit-line-clamp: 2;
                -webkit-box-orient: vertical;
            }

            .info-date {
                margin-left: auto;
            }

            .cta-banner {
                padding: 48px 24px;
            }

            .cta-banner h2 {
                font-size: 22px;
            }

            .overview-img-wrap img {
                height: 240px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 36px;
            }

            .footer-about {
                max-width: 100%;
            }
        }

        @media (max-width: 520px) {
            .page-banner {
                padding: 56px 0 40px;
            }

            .page-banner .breadcrumb-wrap {
                font-size: 13px;
                margin-bottom: 24px;
            }

            .direction-card {
                padding: 28px 20px;
            }

            .section {
                padding: 52px 0;
            }

            .section-head {
                margin-bottom: 36px;
            }

            .btn-gold,
            .btn-solid-white {
                width: 100%;
                justify-content: center;
            }

            .cta-banner .btn-gold {
                width: 100%;
            }
        }

/* roulang page: category3 */
/* ============ 设计变量 ============ */
:root {
  --clr-bg: #F7F5F1;
  --clr-bg-alt: #ECE8E0;
  --clr-surface: #FFFFFF;
  --clr-dark: #1B1F27;
  --clr-dark-2: #232833;
  --clr-gold: #C6A568;
  --clr-gold-light: #D9BE8E;
  --clr-text: #2C2F36;
  --clr-text-muted: #7A7F89;
  --clr-mist: #A9BCC9;
  --clr-line: #E2DDD3;
  --radius: 6px;
  --shadow-default: 0 2px 8px rgba(0,0,0,0.04);
  --shadow-hover: 0 12px 32px rgba(0,0,0,0.08);
  --ease: 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* ============ 基础 Reset ============ */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  background: var(--clr-bg);
  color: var(--clr-text);
  line-height: 1.8;
  font-size: 16px;
  letter-spacing: 0.01em;
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3, h4 {
  font-family: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "SimSun", serif;
  font-weight: 600;
  color: var(--clr-dark);
}
a {
  color: inherit;
  text-decoration: none;
}
img {
  max-width: 100%;
  height: auto;
  display: block;
}
ul, ol {
  list-style: none;
}
button {
  border: none;
  background: none;
  cursor: pointer;
  font-family: inherit;
}

/* ============ 容器 ============ */
.container-wide {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 32px;
}

/* ============ 按钮系统 ============ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 32px;
  border-radius: 2px;
  font-size: 15px;
  font-weight: 500;
  line-height: 1.4;
  border: 1px solid transparent;
  transition: var(--ease);
  white-space: nowrap;
}
.btn-gold {
  background: var(--clr-gold);
  color: var(--clr-dark);
}
.btn-gold:hover,
.btn-gold:focus {
  background: var(--clr-gold-light);
  color: var(--clr-dark);
  box-shadow: 0 6px 20px rgba(198,165,104,0.35);
  transform: translateY(-1px);
}
.btn-outline {
  background: transparent;
  color: var(--clr-gold);
  border-color: var(--clr-gold);
}
.btn-outline:hover,
.btn-outline:focus {
  background: rgba(198,165,104,0.12);
  color: var(--clr-gold-light);
  box-shadow: 0 0 0 2px rgba(198,165,104,0.25);
}
.btn-light-solid {
  background: #FFFFFF;
  color: var(--clr-dark);
}
.btn-light-solid:hover,
.btn-light-solid:focus {
  box-shadow: 0 8px 24px rgba(255,255,255,0.25);
  transform: translateY(-1px);
}
.btn-block-mobile {
  width: 100%;
}
.btn:focus-visible {
  outline: 2px solid var(--clr-gold);
  outline-offset: 2px;
}

/* ============ 侧边导航（桌面端） ============ */
.sidebar {
  position: fixed;
  top: 0;
  left: 0;
  width: 232px;
  height: 100vh;
  background: var(--clr-dark);
  z-index: 1050;
  display: flex;
  flex-direction: column;
  padding: 30px 24px 24px;
}
.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-bottom: 24px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.sidebar-brand-logo {
  width: 40px;
  height: 40px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(198,165,104,0.16);
  border: 1px solid rgba(198,165,104,0.4);
}
.sidebar-brand-text {
  color: #FFFFFF;
  font-family: "Noto Serif SC", serif;
  font-size: 18px;
  font-weight: 600;
  letter-spacing: 0.04em;
  line-height: 1.4;
  display: flex;
  flex-direction: column;
}
.sidebar-brand-en {
  display: block;
  font-size: 10px;
  color: rgba(255,255,255,0.38);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  margin-top: 2px;
  font-weight: 400;
}
.sidebar-nav {
  margin-top: 28px;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.nav-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  color: #C9CDD4;
  font-size: 15px;
  border-radius: 2px;
  border-left: 2px solid transparent;
  transition: var(--ease);
}
.nav-link i {
  width: 20px;
  text-align: center;
  font-size: 15px;
  color: rgba(255,255,255,0.4);
  transition: var(--ease);
}
.nav-link:hover {
  color: var(--clr-gold);
  border-left-color: var(--clr-gold);
  background: rgba(255,255,255,0.02);
}
.nav-link:hover i {
  color: var(--clr-gold);
}
.nav-link.active {
  color: #FFFFFF;
  border-left-color: var(--clr-gold);
  background: rgba(255,255,255,0.04);
}
.nav-link.active i {
  color: var(--clr-gold);
}
.sidebar-foot {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: 18px;
  font-size: 13px;
  color: rgba(255,255,255,0.4);
  display: flex;
  flex-direction: column;
  gap: 6px;
  line-height: 1.6;
}
.sidebar-foot i {
  margin-right: 6px;
  color: rgba(255,255,255,0.3);
}
.sidebar-foot a {
  color: var(--clr-gold);
  border: 1px solid var(--clr-gold);
  text-align: center;
  padding: 10px 0;
  border-radius: 2px;
  margin-top: 12px;
  font-size: 14px;
  transition: var(--ease);
  display: block;
}
.sidebar-foot a:hover {
  background: rgba(198,165,104,0.12);
  box-shadow: 0 0 18px rgba(198,165,104,0.2);
}

/* ============ 主内容区 ============ */
.main-content {
  margin-left: 232px;
  min-height: 100vh;
  background: var(--clr-bg);
  overflow: hidden;
}

/* ============ 移动端顶部导航 ============ */
.mobile-topbar {
  display: none;
  position: sticky;
  top: 0;
  height: 64px;
  background: var(--clr-dark);
  z-index: 1040;
  padding: 0 20px;
  border-bottom: 1px solid rgba(198,165,104,0.25);
}
.mobile-topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}
.mobile-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #FFFFFF;
  font-family: "Noto Serif SC", serif;
  font-size: 17px;
  font-weight: 600;
}
.mobile-logo svg {
  display: block;
}
.mobile-menu-btn {
  background: transparent;
  color: #FFFFFF;
  font-size: 20px;
  padding: 8px 10px;
  border-radius: 4px;
  transition: var(--ease);
}
.mobile-menu-btn:hover {
  color: var(--clr-gold);
  background: rgba(255,255,255,0.06);
}
.mobile-offcanvas {
  background: var(--clr-dark);
  color: #C9CDD4;
}
.mobile-offcanvas .offcanvas-header {
  border-bottom: 1px solid rgba(255,255,255,0.08);
  padding: 20px 24px;
}
.mobile-offcanvas-brand {
  color: #FFFFFF;
  font-family: "Noto Serif SC", serif;
  font-size: 18px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 10px;
}
.btn-close.btn-close-white {
  filter: invert(1);
  opacity: 0.6;
}
.mobile-nav {
  padding: 12px 0;
}
.mobile-nav .nav-link {
  padding: 14px 24px;
  font-size: 16px;
  border-left: 2px solid transparent;
  border-radius: 0;
}
.mobile-nav .nav-link.active {
  background: rgba(255,255,255,0.05);
}
.mobile-nav-footer {
  padding: 20px 24px;
  border-top: 1px solid rgba(255,255,255,0.08);
  margin-top: 16px;
}
.mobile-nav-footer .btn {
  width: 100%;
}

/* ============ 分类页 Banner ============ */
.category-banner {
  position: relative;
  background:
    linear-gradient(110deg, rgba(27,31,39,0.94) 35%, rgba(27,31,39,0.5)),
    url('/assets/images/backpic/back-1.webp') center / cover no-repeat;
  padding: 64px 0 60px;
  color: #FFFFFF;
}
.breadcrumb-line {
  font-size: 14px;
  color: rgba(255,255,255,0.55);
  margin-bottom: 40px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 4px;
}
.breadcrumb-line a {
  color: rgba(255,255,255,0.55);
  transition: var(--ease);
}
.breadcrumb-line a:hover {
  color: var(--clr-gold);
}
.breadcrumb-line .separator {
  color: rgba(255,255,255,0.25);
}
.breadcrumb-line .current {
  color: var(--clr-gold);
}
.category-tag {
  display: inline-block;
  padding: 4px 16px;
  border-radius: 999px;
  background: rgba(198,165,104,0.15);
  border: 1px solid rgba(198,165,104,0.35);
  color: var(--clr-gold-light);
  font-size: 13px;
  letter-spacing: 0.06em;
  margin-bottom: 18px;
}
.category-banner h1 {
  font-size: 48px;
  line-height: 1.35;
  font-weight: 600;
  color: #FFFFFF;
  max-width: 660px;
  margin-bottom: 16px;
}
.category-banner-desc {
  font-size: 17px;
  color: rgba(255,255,255,0.72);
  max-width: 620px;
  line-height: 1.8;
  margin-bottom: 6px;
}
.category-banner .banner-meta {
  display: flex;
  gap: 24px;
  margin-top: 26px;
  flex-wrap: wrap;
}
.banner-meta span {
  font-size: 13px;
  color: rgba(255,255,255,0.45);
  letter-spacing: 0.04em;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

/* ============ 区块通用 ============ */
.section {
  padding: 90px 0;
}
.section-head {
  margin-bottom: 48px;
}
.section-head .bar {
  width: 18px;
  height: 40px;
  background: var(--clr-gold);
  border-radius: 2px;
  margin-bottom: 18px;
}
.section-head h2 {
  font-size: 34px;
  font-weight: 600;
  color: var(--clr-dark);
  margin-bottom: 10px;
  line-height: 1.4;
}
.section-head .section-sub {
  color: var(--clr-text-muted);
  font-size: 16px;
  max-width: 720px;
  line-height: 1.8;
}
.section-en {
  display: block;
  font-size: 13px;
  letter-spacing: 0.22em;
  color: rgba(0,0,0,0.3);
  text-transform: uppercase;
  margin-top: 14px;
  font-weight: 400;
}
.gold-line {
  width: 60px;
  height: 2px;
  background: var(--clr-gold);
  margin-top: 22px;
}

/* 分类页偏色：雾蓝 */
body.page-category3 {
  --cat-accent: #8FAEBF;
  --cat-accent-soft: rgba(143,174,191,0.2);
  --cat-accent-light: #B4C9D6;
}
body.page-category3 .section-head .bar,
body.page-category3 .gold-line {
  background: var(--cat-accent);
}
body.page-category3 .section-en {
  color: rgba(143,174,191,0.6);
}
body.page-category3 .category-banner h1 {
  color: #FFFFFF;
}
body.page-category3 .solution-num {
  -webkit-text-stroke: 1px var(--cat-accent);
  color: transparent;
}
body.page-category3 .news-item:hover .news-title,
body.page-category3 .news-item:hover .news-arrow {
  color: var(--cat-accent);
}

/* ============ 方案体系（纵向交错） ============ */
.section-solutions {
  background: var(--clr-bg);
}
.solution-list {
  display: flex;
  flex-direction: column;
}
.solution-item {
  display: flex;
  gap: 40px;
  align-items: flex-start;
  padding: 56px 0;
  border-bottom: 1px solid var(--clr-line);
}
.solution-item:first-child {
  padding-top: 0;
}
.solution-item:last-child {
  border-bottom: none;
}
.solution-num {
  font-family: "Noto Serif SC", serif;
  font-size: 92px;
  font-weight: 600;
  line-height: 1;
  min-width: 140px;
  opacity: 0.75;
  -webkit-text-stroke: 1px var(--clr-gold);
  color: transparent;
}
.solution-body {
  padding-top: 8px;
}
.solution-body h3 {
  font-size: 22px;
  font-weight: 600;
  color: var(--clr-dark);
  margin-bottom: 12px;
}
.solution-body p {
  font-size: 15px;
  color: var(--clr-text-muted);
  line-height: 1.8;
  max-width: 640px;
}
.solution-body .solution-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
}
.solution-tags .tag {
  padding: 3px 14px;
  border-radius: 999px;
  background: var(--clr-bg-alt);
  color: var(--clr-text-muted);
  font-size: 13px;
  transition: var(--ease);
}
.solution-tags .tag:hover {
  background: rgba(143,174,191,0.2);
  color: var(--clr-dark);
}

/* ============ 应用方向（深色区块） ============ */
.section-approach {
  background: var(--clr-dark);
}
.section-approach .section-head h2 {
  color: #FFFFFF;
}
.section-approach .section-sub {
  color: rgba(255,255,255,0.6);
}
.section-approach .section-head .bar,
.section-approach .gold-line {
  background: var(--cat-accent, var(--clr-gold));
}
.section-approach .section-en {
  color: rgba(255,255,255,0.25);
}
.approach-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
  margin-top: 20px;
}
.approach-text h3 {
  font-size: 24px;
  color: #FFFFFF;
  margin-bottom: 16px;
}
.approach-text p {
  color: rgba(255,255,255,0.6);
  font-size: 15px;
  line-height: 1.85;
  margin-bottom: 28px;
}
.step-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  counter-reset: step;
}
.step-list li {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 14px 0;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  counter-increment: step;
}
.step-list li:last-child {
  border-bottom: none;
}
.step-list li::before {
  content: "0" counter(step);
  font-family: "Noto Serif SC", serif;
  font-size: 20px;
  font-weight: 600;
  color: var(--cat-accent, var(--clr-gold));
  min-width: 36px;
  line-height: 1.4;
}
.step-list li span {
  color: rgba(255,255,255,0.85);
  font-size: 15px;
  line-height: 1.7;
}
.step-list li small {
  display: block;
  color: rgba(255,255,255,0.4);
  font-size: 13px;
  line-height: 1.5;
  margin-top: 2px;
}
.approach-image {
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 20px 48px rgba(0,0,0,0.3);
  border: 1px solid rgba(255,255,255,0.14);
}
.approach-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  aspect-ratio: 4 / 3;
  transition: transform 0.6s ease;
}
.approach-image:hover img {
  transform: scale(1.02);
}

/* ============ 资讯索引区 ============ */
.section-updates {
  background: var(--clr-bg-alt);
}
.news-list {
  border-top: 1px solid var(--clr-line);
}
.news-item {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 22px 8px;
  border-bottom: 1px solid var(--clr-line);
  transition: var(--ease);
}
.news-item:hover {
  padding-left: 16px;
  background: rgba(255,255,255,0.6);
}
.news-badge {
  flex-shrink: 0;
  padding: 3px 14px;
  border-radius: 999px;
  background: rgba(143,174,191,0.28);
  color: #3A4A55;
  font-size: 13px;
  letter-spacing: 0.02em;
}
.news-title {
  flex: 1;
  font-size: 17px;
  font-weight: 500;
  color: var(--clr-text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  transition: var(--ease);
}
.news-date {
  color: var(--clr-mist);
  font-size: 14px;
  flex-shrink: 0;
}
.news-arrow {
  color: var(--clr-mist);
  font-size: 16px;
  flex-shrink: 0;
  transition: var(--ease);
}
.news-item:hover .news-arrow {
  transform: translateX(4px);
}
.news-more {
  margin-top: 28px;
  text-align: right;
}
.news-more a {
  font-size: 14px;
  color: var(--clr-text-muted);
  border-bottom: 1px solid var(--clr-line);
  padding-bottom: 4px;
  transition: var(--ease);
}
.news-more a:hover {
  color: var(--cat-accent, var(--clr-gold));
  border-color: var(--cat-accent, var(--clr-gold));
}

/* ============ FAQ ============ */
.section-faq {
  background: var(--clr-bg);
}
.faq-list {
  max-width: 880px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.faq-item {
  background: var(--clr-surface);
  border: 1px solid var(--clr-line);
  border-radius: 6px;
  overflow: hidden;
  transition: var(--ease);
}
.faq-item:hover {
  border-color: rgba(143,174,191,0.5);
  box-shadow: var(--shadow-default);
}
.faq-item summary {
  list-style: none;
  cursor: pointer;
  padding: 20px 28px;
  font-size: 16px;
  font-weight: 500;
  color: var(--clr-dark);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  transition: var(--ease);
}
.faq-item summary::-webkit-details-marker {
  display: none;
}
.faq-item summary::after {
  content: "+";
  flex-shrink: 0;
  font-size: 22px;
  font-weight: 300;
  color: var(--cat-accent, var(--clr-gold));
  transition: var(--ease);
}
.faq-item[open] summary::after {
  content: "−";
  color: var(--cat-accent, var(--clr-gold));
}
.faq-item[open] summary {
  color: var(--cat-accent, var(--clr-gold));
}
.faq-a {
  padding: 0 28px 22px;
  font-size: 14px;
  color: var(--clr-text-muted);
  line-height: 1.85;
  border-top: 1px solid var(--clr-line);
  margin: 0 28px;
  padding: 18px 0 22px;
}

/* ============ CTA 横幅 ============ */
.section-cta {
  background: var(--clr-bg);
  padding-top: 0;
}
.cta-banner {
  background: linear-gradient(120deg, #1B1F27 0%, #232833 100%);
  border-radius: 8px;
  padding: 56px 48px;
  text-align: center;
  border-top: 1px solid rgba(198,165,104,0.3);
  border-bottom: 1px solid rgba(198,165,104,0.3);
  position: relative;
  overflow: hidden;
}
.cta-banner::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--clr-gold), transparent);
  opacity: 0.6;
}
.cta-banner h3 {
  color: #FFFFFF;
  font-size: 28px;
  margin-bottom: 14px;
}
.cta-banner p {
  color: rgba(255,255,255,0.6);
  font-size: 15px;
  max-width: 520px;
  margin: 0 auto 30px;
  line-height: 1.8;
}
.cta-banner .btn {
  min-width: 160px;
}

/* ============ 页脚 ============ */
.site-footer {
  background: var(--clr-dark);
  color: rgba(255,255,255,0.55);
  padding: 70px 0 0;
  border-top: 1px solid rgba(198,165,104,0.25);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
  gap: 48px;
  padding-bottom: 48px;
}
.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}
.footer-brand-name {
  color: #FFFFFF;
  font-family: "Noto Serif SC", serif;
  font-size: 18px;
  font-weight: 600;
}
.footer-about {
  font-size: 13px;
  color: rgba(255,255,255,0.45);
  line-height: 1.8;
  max-width: 320px;
}
.footer-col-title {
  color: #FFFFFF;
  font-size: 15px;
  font-weight: 600;
  font-family: "Noto Serif SC", serif;
  margin-bottom: 18px;
  letter-spacing: 0.04em;
}
.footer-links li,
.footer-contact li {
  margin-bottom: 10px;
  font-size: 14px;
}
.footer-links a {
  color: rgba(255,255,255,0.55);
  transition: var(--ease);
}
.footer-links a:hover {
  color: var(--clr-gold);
  padding-left: 4px;
}
.footer-contact li {
  display: flex;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,0.5);
  font-size: 13px;
}
.footer-contact i {
  color: var(--clr-gold);
  width: 16px;
  text-align: center;
}
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 20px 0;
  text-align: center;
  font-size: 13px;
  color: rgba(255,255,255,0.35);
}

/* ============ 响应式 ============ */
@media (max-width: 991.98px) {
  .sidebar {
    display: none;
  }
  .mobile-topbar {
    display: block;
  }
  .main-content {
    margin-left: 0;
  }
  .section {
    padding: 72px 0;
  }
  .approach-row {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .category-banner {
    padding: 48px 0;
  }
  .category-banner h1 {
    font-size: 40px;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 36px;
  }
}

@media (max-width: 767.98px) {
  .container-wide {
    padding: 0 20px;
  }
  .category-banner {
    padding: 40px 0;
  }
  .category-banner h1 {
    font-size: 32px;
    line-height: 1.4;
  }
  .category-banner-desc {
    font-size: 15px;
  }
  .section {
    padding: 56px 0;
  }
  .section-head h2 {
    font-size: 27px;
  }
  .section-head .bar {
    height: 32px;
  }
  .solution-item {
    flex-direction: column;
    gap: 16px;
    padding: 36px 0;
  }
  .solution-num {
    font-size: 64px;
    min-width: auto;
  }
  .news-item {
    flex-wrap: wrap;
    gap: 8px;
    padding: 16px 4px;
  }
  .news-title {
    width: 100%;
    order: 3;
    white-space: normal;
    font-size: 16px;
  }
  .news-badge {
    order: 1;
  }
  .news-date {
    order: 2;
    margin-left: auto;
  }
  .news-arrow {
    display: none;
  }
  .cta-banner {
    padding: 40px 24px;
  }
  .cta-banner h3 {
    font-size: 22px;
  }
  .cta-banner .btn {
    width: 100%;
    max-width: 260px;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
    padding-bottom: 32px;
  }
  .faq-item summary {
    padding: 16px 20px;
    font-size: 15px;
  }
  .faq-a {
    margin: 0 20px;
  }
}

@media (max-width: 520px) {
  .category-banner h1 {
    font-size: 28px;
  }
  .banner-meta {
    flex-direction: column;
    gap: 8px;
  }
  .approach-text h3 {
    font-size: 21px;
  }
  .section-en {
    font-size: 12px;
  }
}