/* roulang page: index */
/* ===== 设计变量 ===== */
    :root {
        --primary: #1F3D2B;
        --primary-light: #2A4230;
        --primary-dark: #163026;
        --accent: #B78D5A;
        --accent-light: #C9A36A;
        --bg-warm: #F5F0E8;
        --bg-light: #FAF7F1;
        --text-dark: #1F2D25;
        --text-body: #4A5A4F;
        --text-weak: #8A9A8F;
        --border: rgba(31, 61, 43, 0.12);
        --radius-lg: 24px;
        --radius-md: 14px;
        --radius-sm: 8px;
        --shadow-sm: 0 4px 16px rgba(25, 45, 35, 0.06);
        --shadow-md: 0 8px 24px rgba(25, 45, 35, 0.08);
        --shadow-lg: 0 16px 40px rgba(25, 45, 35, 0.14);
        --gradient-brand: linear-gradient(135deg, #1F3D2B 0%, #2A4230 60%, #B78D5A 130%);
        --gradient-accent: linear-gradient(135deg, #B78D5A 0%, #C9A36A 100%);
        --gradient-hero: linear-gradient(120deg, #1F3D2B 0%, #1A3526 40%, #2A4230 100%);
        --font-serif: 'Noto Serif SC', 'STSong', 'SimSun', serif;
        --font-sans: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
    }

    /* ===== 基础 Reset/Base ===== */
    *,
    *::before,
    *::after {
        box-sizing: border-box;
        margin: 0;
        padding: 0;
    }
    html {
        scroll-behavior: smooth;
        scroll-padding-top: 96px;
    }
    body {
        font-family: var(--font-sans);
        font-size: 16px;
        line-height: 1.75;
        color: var(--text-body);
        background: var(--bg-light);
        -webkit-font-smoothing: antialiased;
        text-rendering: optimizeLegibility;
    }
    a {
        color: var(--primary);
        text-decoration: none;
        transition: all 0.3s ease;
    }
    a:hover {
        color: var(--accent);
    }
    img {
        max-width: 100%;
        display: block;
        height: auto;
    }
    ul,
    ol {
        list-style: none;
    }
    button,
    input,
    select,
    textarea {
        font-family: inherit;
        font-size: inherit;
    }
    .container-custom {
        max-width: 1200px;
        margin: 0 auto;
        padding: 0 24px;
    }
    @media (max-width: 640px) {
        .container-custom {
            padding: 0 16px;
        }
    }

    /* ===== 导航 ===== */
    .site-header {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        z-index: 1000;
        background: rgba(250, 247, 241, 0.96);
        backdrop-filter: blur(12px);
        -webkit-backdrop-filter: blur(12px);
        border-bottom: 1px solid var(--border);
        transition: box-shadow 0.3s ease;
    }
    .site-header.scrolled {
        box-shadow: var(--shadow-md);
    }
    .header-inner {
        display: flex;
        align-items: center;
        justify-content: space-between;
        height: 72px;
        gap: 20px;
        max-width: 1280px;
        margin: 0 auto;
        padding: 0 24px;
    }
    .site-logo {
        font-family: var(--font-serif);
        font-size: 18px;
        font-weight: 900;
        color: var(--primary-dark);
        line-height: 1.3;
        white-space: nowrap;
        display: flex;
        align-items: center;
        gap: 10px;
        flex-shrink: 0;
    }
    .site-logo .logo-mark {
        width: 36px;
        height: 36px;
        border-radius: 10px;
        background: var(--gradient-accent);
        display: flex;
        align-items: center;
        justify-content: center;
        flex-shrink: 0;
    }
    .site-logo .logo-mark i {
        color: #fff;
        font-size: 16px;
    }
    .site-logo .logo-text {
        display: flex;
        flex-direction: column;
        line-height: 1.25;
    }
    .site-logo .logo-text .logo-main {
        font-size: 17px;
        font-weight: 900;
    }
    .site-logo .logo-text .logo-sub {
        font-size: 11px;
        color: var(--text-weak);
        font-weight: 400;
        letter-spacing: 1px;
    }
    .nav-chips {
        display: flex;
        align-items: center;
        gap: 6px;
        flex-wrap: wrap;
        justify-content: center;
    }
    .nav-chips .chip {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        padding: 8px 16px;
        border-radius: 999px;
        background: var(--bg-warm);
        border: 1px solid rgba(183, 141, 90, 0.2);
        color: var(--primary);
        font-size: 14px;
        font-weight: 500;
        line-height: 1.2;
        transition: all 0.3s ease;
        cursor: pointer;
        white-space: nowrap;
    }
    .nav-chips .chip:hover {
        background: rgba(183, 141, 90, 0.12);
        border-color: var(--accent-light);
        color: var(--primary-dark);
    }
    .nav-chips .chip.active {
        background: var(--gradient-brand);
        color: #fff;
        border-color: transparent;
        box-shadow: 0 4px 14px rgba(31, 61, 43, 0.3);
    }
    .nav-chips .chip i {
        font-size: 13px;
    }
    .header-cta {
        display: flex;
        align-items: center;
        gap: 12px;
        flex-shrink: 0;
    }
    .btn-primary {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        background: var(--gradient-brand);
        color: #fff;
        border: none;
        border-radius: 999px;
        padding: 11px 24px;
        font-size: 14px;
        font-weight: 700;
        cursor: pointer;
        transition: all 0.3s ease;
        box-shadow: 0 4px 16px rgba(31, 61, 43, 0.25);
        line-height: 1.2;
    }
    .btn-primary:hover {
        transform: translateY(-2px);
        box-shadow: var(--shadow-lg);
        color: #fff;
        background: linear-gradient(135deg, #163026 0%, #1F3D2B 50%, #B78D5A 120%);
    }
    .btn-primary:focus {
        outline: 2px solid var(--accent-light);
        outline-offset: 2px;
    }
    .btn-primary:active {
        transform: translateY(0);
        box-shadow: var(--shadow-sm);
    }
    .btn-primary i {
        font-size: 14px;
    }
    .btn-outline {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        background: transparent;
        color: var(--primary);
        border: 1px solid var(--primary);
        border-radius: 999px;
        padding: 10px 22px;
        font-size: 14px;
        font-weight: 600;
        cursor: pointer;
        transition: all 0.3s ease;
        line-height: 1.2;
    }
    .btn-outline:hover {
        background: rgba(31, 61, 43, 0.06);
        color: var(--primary-dark);
        transform: translateY(-2px);
    }
    .btn-outline:focus {
        outline: 2px solid var(--accent-light);
        outline-offset: 2px;
    }
    .btn-outline:active {
        transform: translateY(0);
    }
    .mobile-toggle {
        display: none;
        background: none;
        border: none;
        font-size: 22px;
        color: var(--primary-dark);
        cursor: pointer;
        padding: 8px;
    }
    .mobile-menu {
        display: none;
        background: var(--bg-light);
        border-top: 1px solid var(--border);
        padding: 16px 24px 24px;
    }
    .mobile-menu .nav-chips {
        flex-direction: column;
        align-items: stretch;
        gap: 8px;
    }
    .mobile-menu .nav-chips .chip {
        width: 100%;
        justify-content: flex-start;
        padding: 12px 16px;
        border-radius: 12px;
        font-size: 15px;
    }
    .mobile-menu .nav-chips .chip i {
        width: 20px;
        text-align: center;
    }
    .mobile-menu .mobile-cta {
        margin-top: 14px;
        width: 100%;
        justify-content: center;
    }
    @media (max-width: 1024px) {
        .nav-chips.desktop-chips {
            display: none;
        }
        .mobile-toggle {
            display: block;
        }
        .mobile-menu.open {
            display: block;
        }
        .header-cta .btn-primary {
            padding: 10px 18px;
            font-size: 13px;
        }
    }
    @media (max-width: 640px) {
        .site-logo .logo-text .logo-sub {
            display: none;
        }
        .site-logo .logo-text .logo-main {
            font-size: 15px;
        }
        .header-inner {
            height: 64px;
            padding: 0 16px;
        }
        .header-cta .btn-primary span {
            display: none;
        }
        .header-cta .btn-primary {
            padding: 10px 14px;
        }
    }

    /* ===== Hero / 指标看板 ===== */
    .hero-section {
        position: relative;
        padding: 150px 0 80px;
        background: var(--gradient-hero);
        color: #fff;
        overflow: hidden;
    }
    .hero-section::before {
        content: '';
        position: absolute;
        top: 0;
        right: 0;
        width: 55%;
        height: 100%;
        background: url('/assets/images/backpic/back-1.webp') center center / cover no-repeat;
        opacity: 0.35;
        clip-path: polygon(30% 0, 100% 0, 100% 100%, 0% 100%);
    }
    .hero-section::after {
        content: '';
        position: absolute;
        bottom: -80px;
        left: 0;
        right: 0;
        height: 160px;
        background: linear-gradient(to top, var(--bg-light) 0%, transparent 100%);
        z-index: 1;
    }
    .hero-content {
        position: relative;
        z-index: 2;
        display: flex;
        align-items: center;
        gap: 48px;
        max-width: 1200px;
        margin: 0 auto;
        padding: 0 24px;
    }
    .hero-left {
        flex: 1.2;
    }
    .hero-right {
        flex: 1;
        display: flex;
        flex-wrap: wrap;
        gap: 16px;
        justify-content: flex-end;
    }
    .hero-tag {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        padding: 6px 16px;
        border-radius: 999px;
        background: rgba(255, 255, 255, 0.12);
        border: 1px solid rgba(201, 163, 106, 0.4);
        font-size: 13px;
        font-weight: 500;
        color: #E8D9C5;
        margin-bottom: 20px;
        letter-spacing: 0.5px;
    }
    .hero-tag i {
        color: var(--accent-light);
    }
    .hero-title {
        font-family: var(--font-serif);
        font-size: 38px;
        font-weight: 900;
        line-height: 1.3;
        color: #fff;
        margin-bottom: 16px;
        letter-spacing: 1px;
    }
    .hero-title .gold {
        color: var(--accent-light);
    }
    .hero-subtitle {
        font-size: 16px;
        line-height: 1.8;
        color: rgba(255, 255, 255, 0.88);
        max-width: 540px;
        margin-bottom: 32px;
    }
    .hero-actions {
        display: flex;
        gap: 14px;
        flex-wrap: wrap;
        margin-bottom: 36px;
    }
    .hero-actions .btn-primary {
        background: var(--gradient-accent);
        color: var(--primary-dark);
        box-shadow: 0 4px 20px rgba(183, 141, 90, 0.4);
    }
    .hero-actions .btn-primary:hover {
        background: linear-gradient(135deg, #C9A36A 0%, #B78D5A 100%);
    }
    .hero-actions .btn-outline-light {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        background: rgba(255, 255, 255, 0.08);
        color: #fff;
        border: 1px solid rgba(255, 255, 255, 0.3);
        border-radius: 999px;
        padding: 12px 24px;
        font-size: 14px;
        font-weight: 600;
        cursor: pointer;
        transition: all 0.3s ease;
        line-height: 1.2;
    }
    .hero-actions .btn-outline-light:hover {
        background: rgba(255, 255, 255, 0.16);
        border-color: rgba(201, 163, 106, 0.6);
        transform: translateY(-2px);
    }
    .hero-metrics {
        display: flex;
        gap: 12px;
        flex-wrap: wrap;
    }
    .hero-metric-item {
        display: flex;
        align-items: center;
        gap: 12px;
        padding: 12px 18px;
        border-radius: 999px;
        background: rgba(255, 255, 255, 0.1);
        border: 1px solid rgba(255, 255, 255, 0.12);
        backdrop-filter: blur(6px);
    }
    .hero-metric-item .metric-num {
        font-size: 26px;
        font-weight: 900;
        font-family: var(--font-serif);
        color: var(--accent-light);
        line-height: 1;
    }
    .hero-metric-item .metric-label {
        font-size: 12px;
        color: rgba(255, 255, 255, 0.8);
        line-height: 1.3;
    }
    .metric-card {
        background: rgba(255, 255, 255, 0.1);
        border: 1px solid rgba(255, 255, 255, 0.12);
        border-radius: 20px;
        padding: 22px 20px;
        min-width: 140px;
        flex: 1;
        backdrop-filter: blur(8px);
        transition: all 0.3s ease;
    }
    .metric-card:hover {
        background: rgba(255, 255, 255, 0.16);
        transform: translateY(-4px);
        box-shadow: 0 12px 32px rgba(0, 0, 0, 0.2);
    }
    .metric-card .metric-icon {
        font-size: 20px;
        color: var(--accent-light);
        margin-bottom: 10px;
    }
    .metric-card .metric-num {
        font-size: 30px;
        font-weight: 900;
        font-family: var(--font-serif);
        color: #fff;
        line-height: 1.2;
    }
    .metric-card .metric-num .unit {
        font-size: 14px;
        font-weight: 600;
        color: var(--accent-light);
        margin-left: 2px;
    }
    .metric-card .metric-label {
        font-size: 13px;
        color: rgba(255, 255, 255, 0.75);
        margin-top: 4px;
        line-height: 1.4;
    }
    @media (max-width: 1024px) {
        .hero-section {
            padding: 120px 0 60px;
        }
        .hero-content {
            flex-direction: column;
            gap: 32px;
        }
        .hero-right {
            justify-content: flex-start;
        }
        .metric-card {
            min-width: 130px;
            flex: 1 1 calc(50% - 16px);
        }
        .hero-section::before {
            width: 100%;
            opacity: 0.2;
            clip-path: none;
        }
        .hero-title {
            font-size: 32px;
        }
    }
    @media (max-width: 640px) {
        .hero-section {
            padding: 100px 0 48px;
        }
        .hero-title {
            font-size: 26px;
        }
        .hero-subtitle {
            font-size: 14px;
        }
        .metric-card {
            min-width: 100%;
            flex: 1 1 100%;
        }
        .hero-actions {
            flex-direction: column;
            gap: 10px;
        }
        .hero-actions .btn-primary,
        .hero-actions .btn-outline-light {
            width: 100%;
            justify-content: center;
        }
        .hero-metric-item {
            width: 100%;
        }
    }

    /* ===== 信任保障条 ===== */
    .trust-bar {
        padding: 32px 0;
        background: var(--bg-light);
        border-bottom: 1px solid var(--border);
    }
    .trust-grid {
        display: flex;
        justify-content: center;
        gap: 32px;
        flex-wrap: wrap;
    }
    .trust-item {
        display: flex;
        align-items: center;
        gap: 10px;
        font-size: 14px;
        font-weight: 600;
        color: var(--primary);
        padding: 8px 0;
    }
    .trust-item i {
        width: 36px;
        height: 36px;
        display: flex;
        align-items: center;
        justify-content: center;
        border-radius: 50%;
        background: var(--gradient-accent);
        color: #fff;
        font-size: 14px;
    }
    @media (max-width: 640px) {
        .trust-grid {
            gap: 16px;
        }
        .trust-item {
            font-size: 13px;
        }
        .trust-item i {
            width: 30px;
            height: 30px;
            font-size: 12px;
        }
    }

    /* ===== 服务矩阵 ===== */
    .services-section {
        padding: 96px 0;
        background: var(--bg-light);
    }
    .section-head {
        margin-bottom: 48px;
        max-width: 680px;
    }
    .section-head .section-tag {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        font-size: 13px;
        font-weight: 600;
        color: var(--accent);
        text-transform: uppercase;
        letter-spacing: 2px;
        margin-bottom: 12px;
        padding: 5px 14px;
        border-radius: 999px;
        background: rgba(183, 141, 90, 0.1);
        border: 1px solid rgba(183, 141, 90, 0.2);
    }
    .section-head .section-title {
        font-family: var(--font-serif);
        font-size: 32px;
        font-weight: 900;
        color: var(--primary-dark);
        line-height: 1.35;
        margin-bottom: 12px;
    }
    .section-head .section-desc {
        font-size: 15px;
        line-height: 1.75;
        color: var(--text-body);
    }
    .services-grid {
        display: flex;
        flex-wrap: wrap;
        gap: 24px;
    }
    .service-card {
        border-radius: var(--radius-lg);
        overflow: hidden;
        transition: all 0.35s ease;
        position: relative;
    }
    .service-card:hover {
        transform: translateY(-4px);
        box-shadow: var(--shadow-lg);
    }
    .service-card .card-img {
        height: 220px;
        width: 100%;
        background-size: cover;
        background-position: center;
        position: relative;
    }
    .service-card .card-img::after {
        content: '';
        position: absolute;
        bottom: 0;
        left: 0;
        right: 0;
        height: 80px;
        background: linear-gradient(to top, rgba(0, 0, 0, 0.35), transparent);
    }
    .service-card .card-body {
        padding: 24px;
        background: #fff;
        position: relative;
    }
    .service-card .card-body .card-title {
        font-family: var(--font-serif);
        font-size: 20px;
        font-weight: 800;
        color: var(--primary-dark);
        margin-bottom: 8px;
        line-height: 1.4;
    }
    .service-card .card-body .card-desc {
        font-size: 14px;
        line-height: 1.7;
        color: var(--text-body);
        margin-bottom: 16px;
    }
    .service-card .card-meta {
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding-top: 12px;
        border-top: 1px solid var(--border);
    }
    .service-card .card-badge {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        padding: 4px 12px;
        border-radius: 999px;
        font-size: 12px;
        font-weight: 600;
        background: rgba(31, 61, 43, 0.06);
        color: var(--primary);
    }
    .service-card .card-badge i {
        color: var(--accent);
    }
    .service-card .card-arrow {
        width: 32px;
        height: 32px;
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        background: var(--gradient-accent);
        color: #fff;
        font-size: 13px;
        transition: all 0.3s ease;
    }
    .service-card:hover .card-arrow {
        transform: translateX(4px);
    }
    .service-card.gradient-card {
        background: var(--gradient-brand);
        color: #fff;
    }
    .service-card.gradient-card .card-body {
        background: transparent;
        color: #fff;
    }
    .service-card.gradient-card .card-title {
        color: #fff;
    }
    .service-card.gradient-card .card-desc {
        color: rgba(255, 255, 255, 0.85);
    }
    .service-card.gradient-card .card-meta {
        border-top-color: rgba(255, 255, 255, 0.2);
    }
    .service-card.gradient-card .card-badge {
        background: rgba(255, 255, 255, 0.15);
        color: #fff;
    }
    .service-card.warm-card .card-body {
        background: var(--bg-warm);
    }
    .service-card.horizontal-card {
        display: flex;
        flex-direction: row;
        flex: 1 1 calc(50% - 12px);
        min-width: 300px;
    }
    .service-card.horizontal-card .card-img {
        width: 45%;
        height: auto;
        flex-shrink: 0;
        min-height: 280px;
    }
    .service-card.horizontal-card .card-body {
        flex: 1;
        display: flex;
        flex-direction: column;
        justify-content: center;
    }
    .service-card.vertical-card {
        flex: 1 1 calc(33.333% - 16px);
        min-width: 260px;
    }
    .service-card.vertical-card .card-img {
        height: 180px;
    }
    .service-card.full-metal {
        flex: 1 1 calc(33.333% - 16px);
        min-width: 260px;
        background: var(--gradient-accent);
    }
    .service-card.full-metal .card-body {
        background: transparent;
        color: var(--primary-dark);
    }
    .service-card.full-metal .card-title {
        color: var(--primary-dark);
    }
    .service-card.full-metal .card-desc {
        color: rgba(31, 45, 37, 0.7);
    }
    .service-card.full-metal .card-badge {
        background: rgba(255, 255, 255, 0.25);
        color: var(--primary-dark);
    }
    .service-card.full-metal .card-arrow {
        background: var(--primary-dark);
    }
    @media (max-width: 1024px) {
        .service-card.horizontal-card {
            flex: 1 1 100%;
        }
        .service-card.vertical-card,
        .service-card.full-metal {
            flex: 1 1 calc(50% - 12px);
        }
    }
    @media (max-width: 640px) {
        .services-section {
            padding: 64px 0;
        }
        .section-head .section-title {
            font-size: 26px;
        }
        .service-card.horizontal-card {
            flex-direction: column;
        }
        .service-card.horizontal-card .card-img {
            width: 100%;
            min-height: 160px;
            height: 160px;
        }
        .service-card.vertical-card,
        .service-card.full-metal {
            flex: 1 1 100%;
        }
        .service-card .card-img {
            height: 160px;
        }
    }

    /* ===== 结果对比 ===== */
    .comparison-section {
        padding: 96px 0;
        background: var(--bg-warm);
        position: relative;
    }
    .comparison-grid {
        display: flex;
        gap: 32px;
        align-items: stretch;
        flex-wrap: wrap;
    }
    .comparison-col {
        flex: 1;
        min-width: 280px;
        border-radius: var(--radius-lg);
        padding: 36px 32px;
    }
    .comparison-col.standard {
        background: #fff;
        border: 2px solid var(--border);
        box-shadow: var(--shadow-sm);
    }
    .comparison-col.premium {
        background: var(--gradient-brand);
        color: #fff;
        box-shadow: var(--shadow-lg);
        position: relative;
        overflow: hidden;
    }
    .comparison-col.premium::before {
        content: '';
        position: absolute;
        top: -60px;
        right: -60px;
        width: 140px;
        height: 140px;
        border-radius: 50%;
        background: rgba(201, 163, 106, 0.25);
    }
    .comp-header {
        display: flex;
        align-items: center;
        gap: 14px;
        margin-bottom: 28px;
    }
    .comp-header .comp-icon {
        width: 48px;
        height: 48px;
        border-radius: 14px;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 20px;
    }
    .comp-col-label {
        font-family: var(--font-serif);
        font-size: 22px;
        font-weight: 800;
        line-height: 1.3;
    }
    .comp-col-desc {
        font-size: 14px;
        margin-top: 4px;
    }
    .premium .comp-col-desc {
        color: rgba(255, 255, 255, 0.7);
    }
    .standard .comp-col-desc {
        color: var(--text-weak);
    }
    .comp-list {
        display: flex;
        flex-direction: column;
        gap: 12px;
    }
    .comp-item {
        display: flex;
        align-items: flex-start;
        gap: 12px;
        padding: 14px 16px;
        border-radius: 14px;
    }
    .standard .comp-item {
        background: var(--bg-warm);
    }
    .premium .comp-item {
        background: rgba(255, 255, 255, 0.1);
    }
    .comp-item .comp-check {
        width: 28px;
        height: 28px;
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 11px;
        flex-shrink: 0;
        font-weight: 700;
    }
    .standard .comp-item .comp-check {
        background: rgba(31, 61, 43, 0.08);
        color: var(--text-weak);
    }
    .premium .comp-item .comp-check {
        background: var(--gradient-accent);
        color: #fff;
    }
    .comp-item .comp-info {
        flex: 1;
    }
    .comp-item .comp-name {
        font-size: 15px;
        font-weight: 700;
        margin-bottom: 2px;
    }
    .standard .comp-item .comp-name {
        color: var(--text-dark);
    }
    .premium .comp-item .comp-name {
        color: #fff;
    }
    .comp-item .comp-value {
        font-size: 13px;
        line-height: 1.5;
    }
    .standard .comp-item .comp-value {
        color: var(--text-weak);
    }
    .premium .comp-item .comp-value {
        color: rgba(255, 255, 255, 0.78);
    }
    .comparison-badge {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        font-size: 13px;
        font-weight: 700;
        padding: 6px 16px;
        border-radius: 999px;
        margin-top: 24px;
    }
    .standard .comparison-badge {
        background: var(--bg-warm);
        color: var(--text-weak);
    }
    .premium .comparison-badge {
        background: var(--gradient-accent);
        color: var(--primary-dark);
    }
    @media (max-width: 640px) {
        .comparison-section {
            padding: 64px 0;
        }
        .comparison-col {
            padding: 24px 20px;
        }
        .comp-col-label {
            font-size: 18px;
        }
    }

    /* ===== 资讯区 ===== */
    .insights-section {
        padding: 96px 0;
        background: var(--bg-light);
    }
    .insights-grid {
        display: flex;
        gap: 40px;
        flex-wrap: wrap;
    }
    .insights-left {
        flex: 2;
        min-width: 300px;
    }
    .insights-right {
        flex: 1;
        min-width: 240px;
    }
    .insight-list {
        display: flex;
        flex-direction: column;
        gap: 0;
    }
    .insight-item {
        display: flex;
        gap: 16px;
        padding: 20px 0;
        border-bottom: 1px solid var(--border);
        align-items: flex-start;
        transition: all 0.3s ease;
    }
    .insight-item:last-child {
        border-bottom: none;
    }
    .insight-item:hover {
        padding-left: 8px;
    }
    .insight-item .insight-index {
        font-family: var(--font-serif);
        font-size: 24px;
        font-weight: 700;
        color: var(--accent);
        line-height: 1.2;
        flex-shrink: 0;
        min-width: 36px;
    }
    .insight-item .insight-content a {
        font-size: 16px;
        font-weight: 600;
        color: var(--primary-dark);
        line-height: 1.5;
        display: block;
        transition: all 0.3s ease;
    }
    .insight-item .insight-content a:hover {
        color: var(--accent);
    }
    .insight-item .insight-meta {
        font-size: 13px;
        color: var(--text-weak);
        margin-top: 6px;
        display: flex;
        gap: 12px;
        align-items: center;
    }
    .insight-item .insight-meta .meta-tag {
        display: inline-flex;
        align-items: center;
        gap: 4px;
    }
    .insight-item .insight-meta .meta-tag i {
        font-size: 11px;
        color: var(--accent);
    }
    .insights-right .sidebar-card {
        background: var(--bg-warm);
        border-radius: var(--radius-lg);
        padding: 28px 24px;
        margin-bottom: 24px;
    }
    .sidebar-card .sidebar-title {
        font-family: var(--font-serif);
        font-size: 18px;
        font-weight: 800;
        color: var(--primary-dark);
        margin-bottom: 16px;
        padding-bottom: 12px;
        border-bottom: 2px solid var(--accent);
        display: inline-block;
    }
    .tag-cloud {
        display: flex;
        flex-wrap: wrap;
        gap: 8px;
    }
    .tag-cloud .tag {
        padding: 6px 14px;
        border-radius: 999px;
        background: #fff;
        border: 1px solid var(--border);
        font-size: 13px;
        color: var(--primary);
        transition: all 0.3s ease;
        cursor: pointer;
    }
    .tag-cloud .tag:hover {
        background: var(--primary);
        color: #fff;
        border-color: var(--primary);
    }
    .sidebar-card .mini-list {
        display: flex;
        flex-direction: column;
        gap: 12px;
    }
    .sidebar-card .mini-list a {
        font-size: 14px;
        color: var(--text-body);
        display: flex;
        gap: 10px;
        align-items: baseline;
        transition: all 0.3s ease;
        line-height: 1.5;
    }
    .sidebar-card .mini-list a::before {
        content: '›';
        color: var(--accent);
        font-weight: 700;
        font-size: 18px;
    }
    .sidebar-card .mini-list a:hover {
        color: var(--accent);
        transform: translateX(4px);
    }
    .sidebar-share {
        display: flex;
        gap: 12px;
        margin-top: 16px;
    }
    .sidebar-share a {
        width: 42px;
        height: 42px;
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        background: #fff;
        border: 1px solid var(--border);
        color: var(--primary);
        font-size: 16px;
        transition: all 0.3s ease;
    }
    .sidebar-share a:hover {
        background: var(--gradient-accent);
        color: #fff;
        border-color: transparent;
        transform: translateY(-3px);
        box-shadow: var(--shadow-md);
    }
    @media (max-width: 1024px) {
        .insights-grid {
            flex-direction: column;
        }
        .insights-right {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
        }
        .sidebar-card {
            flex: 1;
        }
    }
    @media (max-width: 640px) {
        .insights-section {
            padding: 64px 0;
        }
        .insight-item {
            flex-direction: column;
            gap: 8px;
        }
        .insight-item .insight-index {
            font-size: 18px;
        }
        .insights-right {
            flex-direction: column;
        }
    }

    /* ===== FAQ ===== */
    .faq-section {
        padding: 96px 0;
        background: var(--bg-warm);
        position: relative;
    }
    .faq-list {
        max-width: 840px;
        margin: 0 auto;
        display: flex;
        flex-direction: column;
        gap: 14px;
    }
    .faq-item {
        background: #fff;
        border-radius: var(--radius-lg);
        overflow: hidden;
        box-shadow: var(--shadow-sm);
        border: 1px solid var(--border);
        transition: all 0.3s ease;
    }
    .faq-item:hover {
        box-shadow: var(--shadow-md);
    }
    .faq-item.is-open {
        box-shadow: var(--shadow-md);
        border-color: rgba(183, 141, 90, 0.3);
    }
    .faq-question {
        display: flex;
        align-items: center;
        gap: 16px;
        padding: 22px 28px;
        cursor: pointer;
        font-size: 17px;
        font-weight: 700;
        color: var(--primary-dark);
        line-height: 1.4;
        transition: all 0.3s ease;
        background: transparent;
        border: none;
        width: 100%;
        text-align: left;
    }
    .faq-question .faq-icon {
        width: 34px;
        height: 34px;
        border-radius: 10px;
        background: rgba(31, 61, 43, 0.06);
        display: flex;
        align-items: center;
        justify-content: center;
        flex-shrink: 0;
        transition: all 0.3s ease;
    }
    .faq-question .faq-icon i {
        color: var(--accent);
        font-size: 15px;
    }
    .faq-item.is-open .faq-icon {
        background: var(--gradient-accent);
    }
    .faq-item.is-open .faq-icon i {
        color: #fff;
    }
    .faq-answer {
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.4s ease, padding 0.4s ease;
    }
    .faq-answer-inner {
        padding: 0 28px 24px 78px;
        font-size: 15px;
        line-height: 1.85;
        color: var(--text-body);
    }
    .faq-item.is-open .faq-answer {
        max-height: 500px;
    }
    .faq-item .faq-left-bar {
        position: absolute;
        left: 0;
        top: 0;
        bottom: 0;
        width: 4px;
        background: var(--gradient-accent);
        border-radius: 0 4px 4px 0;
        opacity: 0;
        transition: all 0.3s ease;
    }
    .faq-item {
        position: relative;
    }
    .faq-item.is-open .faq-left-bar {
        opacity: 1;
    }
    @media (max-width: 640px) {
        .faq-section {
            padding: 64px 0;
        }
        .faq-question {
            padding: 16px 18px;
            font-size: 15px;
            gap: 12px;
        }
        .faq-answer-inner {
            padding: 0 18px 18px 46px;
            font-size: 14px;
        }
    }

    /* ===== 转化表单 ===== */
    .contact-section {
        padding: 96px 0;
        background: var(--bg-light);
        position: relative;
        overflow: hidden;
    }
    .contact-section::before {
        content: '';
        position: absolute;
        top: -120px;
        right: -80px;
        width: 300px;
        height: 300px;
        border-radius: 50%;
        background: radial-gradient(circle, rgba(183, 141, 90, 0.12) 0%, transparent 70%);
    }
    .contact-card {
        max-width: 1000px;
        margin: 0 auto;
        background: var(--bg-warm);
        border-radius: 28px;
        padding: 56px;
        position: relative;
        box-shadow: var(--shadow-md);
        border: 1px solid var(--border);
    }
    .contact-card .contact-inner {
        display: flex;
        gap: 48px;
        flex-wrap: wrap;
    }
    .contact-left {
        flex: 1;
        min-width: 280px;
    }
    .contact-right {
        flex: 1.2;
        min-width: 300px;
    }
    .contact-left .contact-title {
        font-family: var(--font-serif);
        font-size: 26px;
        font-weight: 900;
        color: var(--primary-dark);
        margin-bottom: 16px;
        line-height: 1.4;
    }
    .contact-left .contact-desc {
        font-size: 15px;
        line-height: 1.8;
        color: var(--text-body);
        margin-bottom: 24px;
    }
    .contact-left .contact-info {
        display: flex;
        flex-direction: column;
        gap: 14px;
    }
    .contact-info-item {
        display: flex;
        align-items: center;
        gap: 12px;
        font-size: 14px;
        color: var(--text-body);
    }
    .contact-info-item i {
        width: 40px;
        height: 40px;
        border-radius: 12px;
        background: var(--gradient-accent);
        color: #fff;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 15px;
        flex-shrink: 0;
    }
    .contact-info-item .info-text {
        line-height: 1.4;
    }
    .contact-info-item .info-text strong {
        display: block;
        color: var(--primary-dark);
        font-size: 15px;
    }
    .form-row {
        margin-bottom: 18px;
    }
    .form-row label {
        display: block;
        font-size: 14px;
        font-weight: 600;
        color: var(--primary-dark);
        margin-bottom: 6px;
    }
    .form-row input[type="text"],
    .form-row input[type="tel"],
    .form-row select,
    .form-row textarea {
        width: 100%;
        padding: 12px 16px;
        border-radius: 12px;
        border: 1px solid rgba(31, 61, 43, 0.15);
        background: #fff;
        font-size: 14px;
        color: var(--text-dark);
        transition: all 0.3s ease;
        min-height: 46px;
        outline: none;
    }
    .form-row textarea {
        min-height: 80px;
        resize: vertical;
    }
    .form-row input:focus,
    .form-row select:focus,
    .form-row textarea:focus {
        border-color: var(--accent);
        box-shadow: 0 0 0 3px rgba(183, 141, 90, 0.18);
    }
    .form-row input::placeholder,
    .form-row textarea::placeholder {
        color: #B8C4BA;
    }
    .form-actions {
        margin-top: 24px;
    }
    .form-actions .btn-primary {
        width: 100%;
        justify-content: center;
        padding: 14px 24px;
        font-size: 16px;
    }
    .form-note {
        font-size: 13px;
        color: var(--text-weak);
        text-align: center;
        margin-top: 14px;
    }
    @media (max-width: 640px) {
        .contact-section {
            padding: 64px 0;
        }
        .contact-card {
            padding: 24px 20px;
            border-radius: 20px;
        }
        .contact-card .contact-inner {
            gap: 24px;
        }
        .contact-left .contact-title {
            font-size: 22px;
        }
        .form-row input,
        .form-row select,
        .form-row textarea {
            padding: 10px 14px;
            font-size: 13px;
        }
    }

    /* ===== 页脚 ===== */
    .site-footer {
        background: var(--primary-dark);
        color: rgba(255, 255, 255, 0.7);
        padding: 64px 0 32px;
        position: relative;
        overflow: hidden;
    }
    .site-footer::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        height: 4px;
        background: var(--gradient-accent);
    }
    .footer-grid {
        display: flex;
        gap: 48px;
        flex-wrap: wrap;
        margin-bottom: 40px;
    }
    .footer-brand {
        flex: 2;
        min-width: 280px;
    }
    .footer-brand .footer-logo {
        font-family: var(--font-serif);
        font-size: 20px;
        font-weight: 900;
        color: #fff;
        margin-bottom: 12px;
        display: flex;
        align-items: center;
        gap: 12px;
    }
    .footer-brand .footer-logo .logo-mark {
        width: 36px;
        height: 36px;
        border-radius: 10px;
        background: var(--gradient-accent);
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 14px;
        color: var(--primary-dark);
    }
    .footer-brand p {
        font-size: 14px;
        line-height: 1.75;
        max-width: 320px;
    }
    .footer-links {
        flex: 1;
        min-width: 160px;
    }
    .footer-links .footer-title {
        font-size: 15px;
        font-weight: 700;
        color: #fff;
        margin-bottom: 16px;
        letter-spacing: 0.5px;
    }
    .footer-links ul {
        display: flex;
        flex-direction: column;
        gap: 10px;
    }
    .footer-links ul a {
        font-size: 14px;
        color: rgba(255, 255, 255, 0.6);
        transition: all 0.3s ease;
        display: inline-flex;
        align-items: center;
        gap: 8px;
    }
    .footer-links ul a::before {
        content: '›';
        color: var(--accent);
        font-size: 16px;
        font-weight: 700;
    }
    .footer-links ul a:hover {
        color: #fff;
        transform: translateX(4px);
    }
    .footer-bottom {
        border-top: 1px solid rgba(255, 255, 255, 0.1);
        padding-top: 24px;
        display: flex;
        justify-content: space-between;
        align-items: center;
        flex-wrap: wrap;
        gap: 12px;
    }
    .footer-bottom p {
        font-size: 13px;
        color: rgba(255, 255, 255, 0.4);
    }
    .footer-bottom .footer-chips {
        display: flex;
        gap: 8px;
        flex-wrap: wrap;
    }
    .footer-bottom .footer-chips .chip {
        padding: 4px 12px;
        border-radius: 999px;
        background: rgba(255, 255, 255, 0.08);
        font-size: 12px;
        color: rgba(255, 255, 255, 0.6);
        border: 1px solid rgba(255, 255, 255, 0.08);
        transition: all 0.3s ease;
    }
    .footer-bottom .footer-chips .chip:hover {
        background: rgba(255, 255, 255, 0.15);
        color: #fff;
    }
    @media (max-width: 640px) {
        .site-footer {
            padding: 48px 0 24px;
        }
        .footer-grid {
            gap: 24px;
        }
        .footer-bottom {
            flex-direction: column;
            align-items: flex-start;
        }
    }

    /* ===== 通用辅助 ===== */
    .section-divider {
        height: 2px;
        background: linear-gradient(to right, var(--accent-light), transparent);
        width: 100px;
    }
    .badge-gold {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        padding: 5px 14px;
        border-radius: 999px;
        background: var(--gradient-accent);
        color: var(--primary-dark);
        font-size: 13px;
        font-weight: 700;
    }
    .badge-green {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        padding: 5px 14px;
        border-radius: 999px;
        background: var(--primary);
        color: #fff;
        font-size: 13px;
        font-weight: 600;
    }
    .text-center {
        text-align: center;
    }
    .mt-16 {
        margin-top: 16px;
    }
    .mt-24 {
        margin-top: 24px;
    }
    .mt-32 {
        margin-top: 32px;
    }
    .w-100 {
        width: 100%;
    }

    /* ===== 动效 ===== */
    @keyframes fadeUp {
        from {
            opacity: 0;
            transform: translateY(24px);
        }
        to {
            opacity: 1;
            transform: translateY(0);
        }
    }
    .fade-up {
        animation: fadeUp 0.8s ease both;
    }
    .fade-up-delay-1 {
        animation-delay: 0.15s;
    }
    .fade-up-delay-2 {
        animation-delay: 0.3s;
    }
    .fade-up-delay-3 {
        animation-delay: 0.45s;
    }
    @media (prefers-reduced-motion: reduce) {
        * {
            animation: none !important;
            transition: none !important;
            scroll-behavior: auto;
        }
    }