/* roulang page: index */
:root {
            --ink: #1A1A1A;
            --gold: #C9A87C;
            --gold-dark: #B08C60;
            --bg: #FAF9F7;
            --bg-alt: #F0EDE8;
            --text: #1A1A1A;
            --text-2: #6E6A64;
            --text-3: #A39E96;
            --line: #E5E0D8;
            --success: #3E7C4F;
            --font-cn: -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
            --font-en: "Inter", "Helvetica Neue", Arial, sans-serif;
            --radius-lg: 16px;
            --radius-md: 12px;
            --radius-sm: 8px;
            --radius-pill: 999px;
            --shadow-sm: 0 1px 3px rgba(26, 26, 26, 0.04);
            --shadow-hover: 0 8px 24px rgba(26, 26, 26, 0.08);
            --sidebar-w: 260px;
            --content-ml: 260px;
        }

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

        html {
            scroll-behavior: smooth;
            scroll-padding-top: 80px;
        }

        body {
            font-family: var(--font-cn);
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            overflow-x: hidden;
        }

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

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

        ul,
        ol {
            list-style: none;
        }

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

        .container {
            max-width: 1240px;
            padding-left: 40px;
            padding-right: 40px;
        }

        @media (max-width: 576px) {
            .container {
                padding-left: 20px;
                padding-right: 20px;
            }
        }

        /* ============ 左侧导航 ============ */
        .sidebar-nav {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--sidebar-w);
            height: 100vh;
            background: var(--ink);
            z-index: 1050;
            display: flex;
            flex-direction: column;
            padding: 40px 28px 32px;
            transition: width 0.3s ease;
        }

        .sidebar-brand {
            margin-bottom: 48px;
            padding-bottom: 28px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .brand-logo {
            font-family: var(--font-en);
            font-size: 28px;
            font-weight: 800;
            letter-spacing: 0.2em;
            color: var(--gold);
            line-height: 1.2;
        }

        .brand-sub {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.6);
            letter-spacing: 0.08em;
            margin-top: 4px;
        }

        .sidebar-menu ul {
            display: flex;
            flex-direction: column;
            gap: 4px;
        }

        .sidebar-menu .nav-link {
            display: block;
            padding: 10px 16px;
            font-size: 15px;
            color: rgba(255, 255, 255, 0.72);
            letter-spacing: 0.05em;
            position: relative;
            transition: all 0.3s ease;
            border-radius: 6px;
        }

        .sidebar-menu .nav-link::before {
            content: '';
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 2px;
            height: 0;
            background: var(--gold);
            border-radius: 2px;
            transition: height 0.3s ease;
        }

        .sidebar-menu .nav-link:hover,
        .sidebar-menu .nav-link.active {
            color: #fff;
            background: rgba(255, 255, 255, 0.04);
        }

        .sidebar-menu .nav-link:hover::before,
        .sidebar-menu .nav-link.active::before {
            height: 22px;
        }

        .sidebar-footer {
            margin-top: auto;
            padding-top: 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            font-size: 12px;
            color: var(--text-3);
        }

        /* ============ 移动端导航 ============ */
        .mobile-topbar {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: 64px;
            background: var(--ink);
            z-index: 1060;
            align-items: center;
            justify-content: space-between;
            padding: 0 24px;
        }

        .mobile-brand {
            color: var(--gold);
            font-family: var(--font-en);
            font-weight: 800;
            font-size: 18px;
            letter-spacing: 0.12em;
            line-height: 1;
        }

        .mobile-brand span {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.6);
            margin-left: 6px;
            letter-spacing: 0.04em;
        }

        .mobile-toggle {
            background: none;
            border: none;
            color: #fff;
            font-size: 22px;
            cursor: pointer;
            padding: 6px 10px;
        }

        .mobile-menu-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: var(--ink);
            z-index: 1090;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            opacity: 0;
            visibility: hidden;
            transition: opacity 0.3s ease, visibility 0.3s ease;
        }

        .mobile-menu-overlay.active {
            opacity: 1;
            visibility: visible;
            display: flex;
        }

        .mobile-menu-close {
            position: absolute;
            top: 20px;
            right: 24px;
            background: none;
            border: none;
            color: var(--gold);
            font-size: 28px;
            cursor: pointer;
            line-height: 1;
        }

        .mobile-menu-overlay ul {
            text-align: center;
        }

        .mobile-menu-overlay li {
            margin: 18px 0;
        }

        .mobile-menu-overlay a {
            font-size: 28px;
            font-weight: 700;
            color: rgba(255, 255, 255, 0.8);
            letter-spacing: 0.06em;
            transition: color 0.3s;
        }

        .mobile-menu-overlay a:hover,
        .mobile-menu-overlay a.active {
            color: var(--gold);
        }

        .mobile-menu-overlay .mm-index {
            font-size: 13px;
            color: var(--gold);
            display: block;
            letter-spacing: 0.12em;
            margin-bottom: 4px;
            font-family: var(--font-en);
        }

        /* ============ 主内容区 ============ */
        .main-content {
            margin-left: var(--content-ml);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        /* ============ Hero ============ */
        .hero {
            position: relative;
            padding: 120px 0 100px;
            background: var(--bg);
            overflow: hidden;
        }

        .hero-watermark {
            position: absolute;
            top: 30px;
            right: -20px;
            font-family: var(--font-en);
            font-size: 180px;
            font-weight: 900;
            letter-spacing: 0.1em;
            color: rgba(26, 26, 26, 0.03);
            line-height: 1;
            pointer-events: none;
            user-select: none;
            z-index: 0;
        }

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

        .hero-pill {
            display: inline-block;
            padding: 5px 16px;
            border: 1px solid var(--gold);
            border-radius: var(--radius-pill);
            font-family: var(--font-en);
            font-size: 12px;
            font-weight: 700;
            letter-spacing: 0.14em;
            color: var(--gold-dark);
            text-transform: uppercase;
            margin-bottom: 24px;
            background: rgba(201, 168, 124, 0.08);
        }

        .hero-title {
            font-size: 52px;
            font-weight: 800;
            line-height: 1.2;
            color: var(--text);
            letter-spacing: 0.02em;
            margin-bottom: 24px;
        }

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

        .hero-sub {
            font-size: 17px;
            color: var(--text-2);
            line-height: 1.8;
            max-width: 480px;
            margin-bottom: 36px;
        }

        .hero-btns {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        .hero-img {
            position: relative;
            z-index: 2;
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--line);
            box-shadow: 0 12px 40px rgba(26, 26, 26, 0.1);
        }

        .hero-img img {
            width: 100%;
            height: auto;
            aspect-ratio: 4/3;
            object-fit: cover;
        }

        /* ============ 按钮 ============ */
        .btn-main {
            display: inline-block;
            padding: 14px 36px;
            background: var(--ink);
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            border-radius: var(--radius-sm);
            letter-spacing: 0.05em;
            border: 1px solid var(--ink);
            transition: all 0.3s ease;
            text-align: center;
        }

        .btn-main:hover {
            background: var(--gold);
            border-color: var(--gold);
            color: var(--ink);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(201, 168, 124, 0.3);
        }

        .btn-secondary {
            display: inline-block;
            padding: 14px 36px;
            background: transparent;
            color: var(--text);
            font-size: 15px;
            font-weight: 600;
            border-radius: var(--radius-sm);
            border: 1px solid var(--ink);
            letter-spacing: 0.05em;
            transition: all 0.3s ease;
            text-align: center;
        }

        .btn-secondary:hover {
            border-color: var(--gold);
            color: var(--gold-dark);
            transform: translateY(-2px);
        }

        .btn-gold {
            background: var(--gold);
            border-color: var(--gold);
            color: var(--ink);
            font-weight: 700;
        }

        .btn-gold:hover {
            background: var(--gold-dark);
            border-color: var(--gold-dark);
            color: #fff;
        }

        .btn-light-outline {
            display: inline-block;
            padding: 14px 36px;
            background: transparent;
            color: #fff;
            border: 1px solid rgba(255, 255, 255, 0.6);
            font-size: 15px;
            font-weight: 600;
            border-radius: var(--radius-sm);
            letter-spacing: 0.05em;
            transition: all 0.3s ease;
            text-align: center;
        }

        .btn-light-outline:hover {
            border-color: var(--gold);
            color: var(--gold);
            transform: translateY(-2px);
        }

        /* ============ 区块通用样式 ============ */
        .section {
            padding: 96px 0;
        }

        .section-tag {
            display: inline-block;
            padding: 4px 14px;
            border: 1px solid var(--gold);
            border-radius: var(--radius-pill);
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 0.08em;
            color: var(--gold-dark);
            margin-bottom: 16px;
            background: rgba(201, 168, 124, 0.06);
        }

        .section-title {
            font-size: 34px;
            font-weight: 700;
            color: var(--text);
            letter-spacing: 0.02em;
            line-height: 1.3;
            margin-bottom: 16px;
        }

        .section-desc {
            font-size: 15px;
            color: var(--text-2);
            line-height: 1.7;
            max-width: 560px;
        }

        /* ============ 信任数据条 ============ */
        .trust-bar {
            background: var(--bg-alt);
            padding: 56px 0;
            border-top: 1px solid var(--line);
            border-bottom: 1px solid var(--line);
        }

        .trust-item {
            text-align: center;
            padding: 20px 12px;
        }

        .trust-num {
            font-family: var(--font-en);
            font-size: 40px;
            font-weight: 800;
            color: var(--gold-dark);
            line-height: 1.2;
            letter-spacing: 0.02em;
        }

        .trust-label {
            font-size: 13px;
            color: var(--text-2);
            margin-top: 8px;
            letter-spacing: 0.05em;
        }

        /* ============ 三步上手 ============ */
        .steps-section {
            background: var(--bg);
            padding: 96px 0;
        }

        .steps-head {
            text-align: center;
            margin-bottom: 64px;
        }

        .steps-head .section-desc {
            margin: 0 auto;
        }

        .step-card {
            position: relative;
            padding: 40px 32px;
            border-radius: var(--radius-md);
            background: transparent;
            transition: all 0.3s ease;
            text-align: center;
        }

        .step-card:hover {
            background: #fff;
            box-shadow: var(--shadow-hover);
        }

        .step-num {
            font-family: var(--font-en);
            font-size: 32px;
            font-weight: 800;
            color: var(--gold);
            display: block;
            margin-bottom: 20px;
            letter-spacing: 0.04em;
        }

        .step-icon {
            font-size: 28px;
            color: var(--gold-dark);
            margin-bottom: 20px;
            display: block;
        }

        .step-title {
            font-size: 18px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 12px;
        }

        .step-desc {
            font-size: 14px;
            color: var(--text-2);
            line-height: 1.7;
            margin-bottom: 0;
        }

        .step-divider {
            position: absolute;
            top: 50%;
            right: -20px;
            width: 40px;
            height: 1px;
            background: var(--line);
        }

        @media (max-width: 991px) {
            .step-divider {
                display: none;
            }
        }

        .steps-cta {
            text-align: center;
            margin-top: 48px;
        }

        /* ============ 案例证明 ============ */
        .cases-section {
            background: var(--bg-alt);
            padding: 96px 0;
        }

        .case-card {
            background: #fff;
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--line);
            box-shadow: var(--shadow-sm);
            transition: all 0.3s ease;
            height: 100%;
            display: flex;
            flex-direction: column;
        }

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

        .case-img {
            overflow: hidden;
            border-bottom: 1px solid var(--line);
        }

        .case-img img {
            width: 100%;
            aspect-ratio: 4/3;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

        .case-card:hover .case-img img {
            transform: scale(1.03);
        }

        .case-body {
            padding: 28px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .case-name {
            font-size: 18px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 12px;
        }

        .case-metric {
            font-size: 20px;
            font-weight: 700;
            color: var(--gold-dark);
            margin-bottom: 12px;
            font-family: var(--font-en);
        }

        .case-desc {
            font-size: 14px;
            color: var(--text-2);
            line-height: 1.7;
            margin-bottom: 0;
            flex: 1;
        }

        .cases-footer-link {
            text-align: center;
            margin-top: 48px;
        }

        .text-link {
            display: inline-block;
            font-size: 15px;
            font-weight: 600;
            color: var(--text);
            border-bottom: 1px solid var(--line);
            padding-bottom: 4px;
            transition: all 0.3s;
        }

        .text-link:hover {
            color: var(--gold-dark);
            border-color: var(--gold);
        }

        /* ============ FAQ ============ */
        .faq-section {
            background: var(--bg);
            padding: 96px 0;
        }

        .faq-wrap {
            max-width: 860px;
            margin: 0 auto;
        }

        .accordion {
            --bs-accordion-border-width: 0;
            --bs-accordion-bg: transparent;
            --bs-accordion-border-color: transparent;
        }

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

        .accordion-button {
            background: transparent;
            box-shadow: none;
            padding: 24px 0;
            font-size: 18px;
            font-weight: 600;
            color: var(--text);
            letter-spacing: 0.02em;
            border-radius: 0 !important;
            position: relative;
        }

        .accordion-button:focus {
            box-shadow: none;
            border-color: transparent;
        }

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

        .accordion-button::after {
            display: none;
        }

        .faq-icon {
            position: absolute;
            right: 4px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--gold);
            font-size: 18px;
            width: 32px;
            height: 32px;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: transform 0.3s ease;
        }

        .accordion-button:not(.collapsed) .faq-icon {
            transform: translateY(-50%) rotate(45deg);
        }

        .accordion-body {
            padding: 0 48px 24px 24px;
            font-size: 14px;
            color: var(--text-2);
            line-height: 1.8;
            border-left: 2px solid var(--gold);
            margin-left: 2px;
        }

        /* ============ CTA ============ */
        .cta-section {
            background: var(--ink);
            padding: 100px 0;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            opacity: 0.12;
        }

        .cta-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 720px;
            margin: 0 auto;
        }

        .cta-title {
            color: #fff;
            font-size: 36px;
            font-weight: 700;
            letter-spacing: 0.02em;
            margin-bottom: 16px;
        }

        .cta-sub {
            color: rgba(255, 255, 255, 0.7);
            font-size: 16px;
            line-height: 1.8;
            margin-bottom: 40px;
        }

        .cta-form-wrap {
            max-width: 620px;
            margin: 0 auto;
            text-align: left;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-lg);
            padding: 40px;
        }

        .cta-form .form-row {
            margin-bottom: 28px;
        }

        .cta-form label {
            display: block;
            font-size: 12px;
            color: var(--text-3);
            letter-spacing: 0.06em;
            margin-bottom: 6px;
        }

        .cta-form .custom-input {
            width: 100%;
            background: transparent;
            border: 0;
            border-bottom: 1px solid var(--line);
            border-radius: 0;
            padding: 10px 0;
            font-size: 15px;
            color: #fff;
            outline: none;
            transition: border-color 0.3s;
        }

        .cta-form .custom-input:focus {
            border-bottom-color: var(--gold);
        }

        .cta-form .custom-input::placeholder {
            color: rgba(255, 255, 255, 0.35);
        }

        .cta-form textarea.custom-input {
            resize: vertical;
            min-height: 72px;
        }

        .cta-form .btn-submit {
            width: 100%;
            background: var(--gold);
            color: var(--ink);
            border: none;
            padding: 16px 36px;
            font-size: 16px;
            font-weight: 700;
            border-radius: var(--radius-sm);
            letter-spacing: 0.05em;
            cursor: pointer;
            transition: all 0.3s ease;
            margin-top: 8px;
        }

        .cta-form .btn-submit:hover {
            background: var(--gold-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(201, 168, 124, 0.25);
        }

        .cta-note {
            margin-top: 24px;
            font-size: 12px;
            color: var(--text-3);
            letter-spacing: 0.04em;
        }

        .form-success {
            display: none;
            text-align: center;
            padding: 20px;
            color: var(--success);
            font-size: 15px;
        }

        .form-success.show {
            display: block;
        }

        /* ============ 资讯列表 ============ */
        .news-section {
            background: var(--bg);
            padding: 96px 0;
            border-top: 1px solid var(--line);
        }

        .news-heading {
            padding-right: 32px;
        }

        .news-item {
            background: #fff;
            border: 1px solid var(--line);
            border-radius: var(--radius-md);
            padding: 24px;
            margin-bottom: 16px;
            transition: all 0.3s ease;
        }

        .news-item:hover {
            background: #fff;
            border-color: var(--gold);
            box-shadow: var(--shadow-hover);
        }

        .news-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 12px;
        }

        .news-cat {
            display: inline-block;
            padding: 3px 12px;
            border: 1px solid var(--gold);
            border-radius: var(--radius-pill);
            font-size: 11px;
            color: var(--gold-dark);
            font-weight: 600;
            letter-spacing: 0.04em;
        }

        .news-date {
            font-family: var(--font-en);
            font-size: 12px;
            color: var(--text-3);
        }

        .news-title {
            font-size: 17px;
            font-weight: 600;
            margin-bottom: 8px;
            line-height: 1.5;
        }

        .news-title a {
            color: var(--text);
            transition: color 0.3s;
        }

        .news-title a:hover {
            color: var(--gold-dark);
        }

        .news-summary {
            font-size: 14px;
            color: var(--text-2);
            line-height: 1.7;
            margin-bottom: 12px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .read-more {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 600;
            color: var(--text);
            transition: color 0.3s;
        }

        .read-more i {
            font-size: 12px;
            transition: transform 0.3s;
        }

        .read-more:hover {
            color: var(--gold-dark);
        }

        .read-more:hover i {
            transform: translateX(4px);
        }

        .news-empty {
            text-align: center;
            padding: 60px 20px;
            color: var(--text-3);
            border: 1px dashed var(--line);
            border-radius: var(--radius-md);
            background: rgba(255, 255, 255, 0.5);
        }

        .news-empty i {
            font-size: 40px;
            display: block;
            margin-bottom: 16px;
            color: var(--gold);
        }

        .news-empty p {
            font-size: 15px;
            margin: 0;
        }

        /* ============ 页脚 ============ */
        .site-footer {
            background: var(--ink);
            color: rgba(255, 255, 255, 0.7);
            padding-top: 72px;
            margin-top: 0;
            flex-shrink: 0;
        }

        .footer-brand {
            font-family: var(--font-en);
            font-size: 22px;
            font-weight: 800;
            letter-spacing: 0.2em;
            color: var(--gold);
            margin-bottom: 6px;
        }

        .footer-brand-sub {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            letter-spacing: 0.05em;
            margin-bottom: 16px;
        }

        .footer-desc {
            font-size: 14px;
            color: var(--text-3);
            line-height: 1.8;
            max-width: 260px;
        }

        .footer-links h4 {
            font-size: 14px;
            color: #fff;
            font-weight: 600;
            letter-spacing: 0.06em;
            margin-bottom: 20px;
            text-transform: uppercase;
        }

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

        .footer-links ul li a {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.55);
            transition: color 0.3s;
        }

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

        .footer-contact h4 {
            font-size: 14px;
            color: #fff;
            font-weight: 600;
            letter-spacing: 0.06em;
            margin-bottom: 20px;
            text-transform: uppercase;
        }

        .footer-contact p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.55);
            margin-bottom: 8px;
        }

        .footer-contact i {
            color: var(--gold);
            margin-right: 8px;
            width: 16px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 24px 0;
            text-align: center;
            margin-top: 48px;
        }

        .footer-bottom p {
            font-size: 12px;
            color: var(--text-3);
            margin: 0;
        }

        /* ============ 动效 ============ */
        .fadeUp {
            opacity: 0;
            transform: translateY(24px);
            transition: opacity 0.6s ease, transform 0.6s ease;
        }

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

        .hero-fadeUp {
            opacity: 0;
            transform: translateY(24px);
            animation: heroFadeUp 0.6s ease forwards;
        }

        .hero-fadeUp-delay {
            opacity: 0;
            transform: translateY(24px);
            animation: heroFadeUp 0.6s ease 0.15s forwards;
        }

        @keyframes heroFadeUp {
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        @media (prefers-reduced-motion: reduce) {
            * {
                animation: none !important;
                transition: none !important;
            }

            .fadeUp {
                opacity: 1;
                transform: none;
            }

            .hero-fadeUp,
            .hero-fadeUp-delay {
                opacity: 1;
                transform: none;
                animation: none;
            }
        }

        /* ============ 响应式 ============ */
        @media (max-width: 1199px) {
            .sidebar-nav {
                width: 220px;
                padding: 32px 20px;
            }

            .main-content {
                margin-left: 220px;
            }

            .hero-title {
                font-size: 42px;
            }
        }

        @media (max-width: 991px) {
            .sidebar-nav {
                display: none;
            }

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

            .mobile-topbar {
                display: flex;
            }

            .mobile-menu-overlay {
                display: flex;
                opacity: 0;
                visibility: hidden;
            }

            .mobile-menu-overlay.active {
                opacity: 1;
                visibility: visible;
            }

            .hero {
                padding: 96px 0 64px;
            }

            .hero-title {
                font-size: 36px;
            }

            .hero-img {
                margin-top: 40px;
            }

            .section {
                padding: 64px 0;
            }

            .steps-section,
            .cases-section,
            .faq-section,
            .news-section,
            .cta-section {
                padding: 64px 0;
            }

            .steps-head {
                margin-bottom: 40px;
            }

            .step-card {
                padding: 24px;
            }

            .cta-title {
                font-size: 28px;
            }

            .cta-form-wrap {
                padding: 28px;
            }

            .news-heading {
                padding-right: 0;
                margin-bottom: 32px;
            }
        }

        @media (max-width: 767px) {
            .hero-title {
                font-size: 30px;
            }

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

            .btn-main,
            .btn-secondary,
            .btn-light-outline {
                padding: 12px 24px;
                font-size: 14px;
            }

            .section-title {
                font-size: 26px;
            }

            .trust-num {
                font-size: 30px;
            }

            .trust-label {
                font-size: 12px;
            }

            .case-body {
                padding: 20px;
            }

            .accordion-button {
                font-size: 16px;
                padding: 20px 0;
            }

            .accordion-body {
                padding: 0 20px 20px 16px;
            }

            .cta-form-wrap {
                padding: 20px;
            }

            .footer-contact {
                margin-top: 24px;
            }

            .site-footer {
                padding-top: 48px;
            }

            .footer-links,
            .footer-contact {
                margin-top: 24px;
            }
        }

        @media (max-width: 576px) {
            .hero {
                padding: 80px 0 48px;
            }

            .hero-btns {
                flex-direction: column;
                align-items: stretch;
            }

            .btn-main,
            .btn-secondary {
                width: 100%;
            }

            .trust-num {
                font-size: 24px;
            }

            .trust-label {
                font-size: 11px;
            }

            .news-item {
                padding: 16px;
            }

            .cta-title {
                font-size: 24px;
            }

            .cta-sub {
                font-size: 14px;
            }

            .footer-bottom p {
                font-size: 11px;
            }
        }

/* roulang page: article */
:root{
  --ink:#1A1A1A;
  --gold:#C9A87C;
  --gold-dark:#B08C60;
  --bg:#FAF9F7;
  --bg-alt:#F0EDE8;
  --text:#1A1A1A;
  --text-2:#6E6A64;
  --text-3:#A39E96;
  --line:#E5E0D8;
  --success:#3E7C4F;
  --radius-lg:16px;
  --radius-md:12px;
  --radius-sm:8px;
  --shadow-sm:0 1px 3px rgba(26,26,26,.04);
  --shadow-lg:0 8px 24px rgba(26,26,26,.08);
  --font-main:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
  --font-en:"Inter","Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font-en),var(--font-main);
  background:var(--bg);
  color:var(--text);
  line-height:1.8;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
a{color:var(--text);text-decoration:none;transition:color .3s}
a:hover{color:var(--gold-dark)}
img{max-width:100%;display:block}
ul,ol{list-style:none}
button:focus,input:focus,textarea:focus{outline:2px solid rgba(201,168,124,.5);outline-offset:2px}
.container{max-width:1320px}
.container-fluid{padding:0}

/* ========== Sidebar Navigation ========== */
.sidebar-nav{
  position:fixed;
  left:0;top:0;
  width:260px;height:100vh;
  background:var(--ink);
  z-index:1040;
  display:flex;flex-direction:column;
  padding:40px 28px 28px;
  transition:transform .3s;
}
.sidebar-brand{padding-bottom:48px;border-bottom:1px solid rgba(255,255,255,.08)}
.brand-logo{
  font-family:var(--font-en);
  font-size:26px;font-weight:800;
  color:var(--gold);
  letter-spacing:.2em;
  line-height:1;
}
.brand-sub{
  margin-top:8px;
  font-size:12px;
  color:rgba(255,255,255,.6);
  letter-spacing:.12em;
  text-transform:uppercase;
}
.sidebar-menu{margin-top:36px;flex:1;overflow-y:auto}
.sidebar-menu ul{display:flex;flex-direction:column;gap:4px}
.sidebar-menu .nav-link{
  display:block;
  padding:12px 16px;
  color:rgba(255,255,255,.7);
  font-size:15px;
  letter-spacing:.05em;
  border-left:2px solid transparent;
  transition:color .3s,border-color .3s,background .3s;
  border-radius:0 var(--radius-sm) var(--radius-sm) 0;
}
.sidebar-menu .nav-link:hover{
  color:#fff;
  border-left-color:var(--gold);
  background:rgba(255,255,255,.04);
}
.sidebar-menu .nav-link.active{
  color:#fff;
  border-left-color:var(--gold);
  font-weight:600;
  background:rgba(255,255,255,.06);
}
.sidebar-footer{padding-top:20px;border-top:1px solid rgba(255,255,255,.08)}
.sidebar-footer p{
  font-size:12px;color:var(--text-3);
  letter-spacing:.04em;
}

/* ========== Mobile Header ========== */
.mobile-header{
  display:none;
  position:fixed;
  top:0;left:0;right:0;
  height:64px;
  background:var(--ink);
  z-index:1050;
  align-items:center;
  justify-content:space-between;
  padding:0 24px;
}
.mobile-brand{
  font-family:var(--font-en);
  color:var(--gold);
  font-size:20px;font-weight:800;
  letter-spacing:.16em;
}
.mobile-brand span{
  font-family:var(--font-main);
  color:#fff;
  font-size:12px;
  font-weight:400;
  letter-spacing:.08em;
  margin-left:6px;
}
.mobile-toggle{
  background:none;border:none;
  color:#fff;
  font-size:22px;
  cursor:pointer;
  padding:8px;
  line-height:1;
}
.mobile-menu{
  display:none;
  position:fixed;
  inset:0;
  background:var(--ink);
  z-index:1060;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:8px;
  opacity:0;
  visibility:hidden;
  transition:opacity .3s,visibility .3s;
}
.mobile-menu.open{opacity:1;visibility:visible}
.mobile-close{
  position:absolute;
  top:20px;right:24px;
  background:none;border:none;
  color:#fff;font-size:24px;
  cursor:pointer;
  padding:8px;
}
.mobile-menu ul{text-align:center}
.mobile-menu .mobile-nav-link{
  display:block;
  color:rgba(255,255,255,.75);
  font-size:22px;font-weight:500;
  letter-spacing:.08em;
  padding:14px 24px;
  transition:color .3s;
}
.mobile-menu .mobile-nav-link:hover{color:var(--gold)}
.mobile-menu .mobile-nav-link.active{color:var(--gold)}

/* ========== Main Content Layout ========== */
.main-content{
  margin-left:260px;
  min-height:100vh;
  display:flex;
  flex-direction:column;
}
.content-wrap{
  flex:1;
  padding:80px 0 0;
}
.article-page{padding:72px 0 0}

/* ========== Breadcrumb ========== */
.breadcrumb-line{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:12px;
  color:var(--text-3);
  margin-bottom:40px;
  letter-spacing:.04em;
}
.breadcrumb-line a{color:var(--text-3);transition:color .3s}
.breadcrumb-line a:hover{color:var(--gold-dark)}
.breadcrumb-line .sep{color:var(--line)}

/* ========== Article Header ========== */
.article-header{
  max-width:860px;
  margin:0 0 12px;
}
.article-title{
  font-size:40px;
  font-weight:800;
  line-height:1.25;
  letter-spacing:.02em;
  color:var(--text);
  margin-bottom:20px;
}
.article-meta{
  display:flex;
  align-items:center;
  gap:12px;
  font-size:14px;
  color:var(--text-3);
  flex-wrap:wrap;
}
.article-meta .sep{color:var(--line)}
.article-meta i{color:var(--gold);margin-right:4px;font-size:12px}

/* ========== Article Body ========== */
.article-body{
  max-width:720px;
  margin:40px auto 0;
  font-size:16px;
  line-height:1.9;
  color:var(--text);
  letter-spacing:.01em;
}
.article-body p{
  margin-bottom:24px;
}
.article-body h2{
  font-size:32px;
  font-weight:700;
  line-height:1.4;
  margin-top:48px;
  margin-bottom:20px;
  letter-spacing:.01em;
}
.article-body h3{
  font-size:24px;
  font-weight:600;
  line-height:1.5;
  margin-top:32px;
  margin-bottom:16px;
}
.article-body h4{
  font-size:20px;
  font-weight:600;
  margin-top:24px;
  margin-bottom:12px;
}
.article-body blockquote{
  border-left:4px solid var(--gold);
  background:var(--bg-alt);
  padding:20px 24px;
  margin:32px 0;
  border-radius:0 var(--radius-sm) var(--radius-sm) 0;
  font-size:15px;
  color:var(--text-2);
}
.article-body blockquote p{margin-bottom:0}
.article-body img{
  max-width:100%;
  border-radius:var(--radius-md);
  margin:32px auto;
  display:block;
}
.article-body figure{margin:32px 0}
.article-body figure img{margin-bottom:12px}
.article-body figcaption{
  font-size:12px;
  color:var(--text-3);
  text-align:center;
  line-height:1.6;
}
.article-body ul,.article-body ol{
  padding-left:24px;
  margin-bottom:24px;
}
.article-body ul li{
  list-style:disc;
  margin-bottom:8px;
}
.article-body ol li{
  list-style:decimal;
  margin-bottom:8px;
}
.article-body a{
  color:var(--gold-dark);
  text-decoration:underline;
  text-underline-offset:3px;
}
.article-body a:hover{color:var(--gold)}
.article-body hr{
  border:none;
  border-top:1px solid var(--line);
  margin:40px 0;
}
.article-body table{
  width:100%;
  border-collapse:collapse;
  margin:32px 0;
  font-size:15px;
}
.article-body table th{
  background:var(--bg-alt);
  font-weight:600;
  padding:12px 16px;
  border-bottom:2px solid var(--line);
  text-align:left;
}
.article-body table td{
  padding:12px 16px;
  border-bottom:1px solid var(--line);
}
.article-body code{
  background:var(--bg-alt);
  padding:2px 8px;
  border-radius:4px;
  font-size:14px;
  font-family:"SFMono-Regular",Consolas,monospace;
}
.article-body pre{
  background:var(--ink);
  color:#f0ede8;
  padding:24px;
  border-radius:var(--radius-md);
  overflow-x:auto;
  margin:32px 0;
  font-size:14px;
  line-height:1.7;
}
.article-body pre code{
  background:none;
  color:inherit;
  padding:0;
}

/* ========== Article Footer / Tags / Share ========== */
.article-foot{
  max-width:720px;
  margin:48px auto 0;
  padding-top:32px;
  border-top:1px solid var(--line);
  display:flex;
  align-items:center;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:20px;
}
.article-tags{display:flex;gap:10px;flex-wrap:wrap}
.tag-pill{
  display:inline-flex;
  align-items:center;
  padding:5px 16px;
  font-size:12px;
  color:var(--text-2);
  border:1px solid var(--gold);
  border-radius:999px;
  letter-spacing:.06em;
  transition:background .3s,color .3s;
}
.tag-pill:hover{
  background:var(--gold);
  color:var(--ink);
  border-color:var(--gold);
}
.article-share{
  display:flex;
  align-items:center;
  gap:12px;
}
.article-share a{
  width:36px;height:36px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border:1px solid var(--line);
  border-radius:50%;
  color:var(--text-2);
  font-size:14px;
  transition:border-color .3s,color .3s,background .3s;
}
.article-share a:hover{
  border-color:var(--gold);
  color:var(--gold);
  background:rgba(201,168,124,.08);
}

/* ========== Related Posts ========== */
.related-posts{
  max-width:1100px;
  margin:80px auto 0;
  padding-top:24px;
}
.related-posts .section-heading{
  margin-bottom:36px;
}
.related-posts .section-kicker{
  font-size:12px;
  color:var(--gold);
  letter-spacing:.18em;
  text-transform:uppercase;
  margin-bottom:8px;
}
.related-posts h2{
  font-size:32px;
  font-weight:700;
  letter-spacing:.02em;
}
.related-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  overflow:hidden;
  box-shadow:var(--shadow-sm);
  transition:transform .4s,box-shadow .4s,border-color .3s;
  height:100%;
  display:flex;
  flex-direction:column;
}
.related-card:hover{
  transform:translateY(-6px);
  box-shadow:var(--shadow-lg);
  border-color:var(--gold);
}
.related-card .card-img{
  position:relative;
  aspect-ratio:16/9;
  overflow:hidden;
}
.related-card .card-img img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform .5s;
}
.related-card:hover .card-img img{transform:scale(1.04)}
.related-card .card-body{
  padding:24px;
  flex:1;
  display:flex;
  flex-direction:column;
  gap:8px;
}
.related-card .card-title{
  font-size:16px;
  font-weight:600;
  line-height:1.5;
  letter-spacing:.02em;
}
.related-card .card-title a{transition:color .3s}
.related-card .card-title a:hover{color:var(--gold-dark)}
.related-card .card-date{
  font-size:12px;
  color:var(--text-3);
  margin-top:auto;
  letter-spacing:.04em;
}

/* ========== Back Links ========== */
.back-links{
  max-width:1100px;
  margin:56px auto 0;
  display:flex;
  gap:32px;
  align-items:center;
  padding-top:32px;
  border-top:1px solid var(--line);
}
.back-links a{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:14px;
  color:var(--text-2);
  font-weight:500;
  letter-spacing:.05em;
  transition:color .3s;
}
.back-links a i{color:var(--gold);font-size:12px}
.back-links a:hover{color:var(--gold-dark)}

/* ========== Not Found ========== */
.not-found{
  max-width:720px;
  margin:80px auto;
  text-align:center;
  padding:80px 24px;
  border:1px dashed var(--line);
  border-radius:var(--radius-lg);
}
.not-found i{
  font-size:48px;
  color:var(--gold);
  margin-bottom:24px;
  display:block;
}
.not-found h2{
  font-size:28px;
  font-weight:700;
  margin-bottom:16px;
}
.not-found p{
  color:var(--text-2);
  margin-bottom:24px;
}
.not-found .btn-primary{
  display:inline-block;
}

/* ========== Buttons ========== */
.btn-primary{
  display:inline-flex;
  align-items:center;
  gap:10px;
  background:var(--ink);
  color:#fff;
  border:none;
  padding:14px 36px;
  font-size:15px;
  font-weight:500;
  border-radius:var(--radius-sm);
  letter-spacing:.05em;
  cursor:pointer;
  transition:background .3s,transform .3s,box-shadow .3s;
}
.btn-primary:hover{
  background:var(--gold);
  color:var(--ink);
  transform:translateY(-2px);
  box-shadow:var(--shadow-lg);
}
.btn-outline{
  display:inline-flex;
  align-items:center;
  gap:10px;
  background:transparent;
  color:var(--text);
  border:1px solid var(--ink);
  padding:13px 36px;
  font-size:15px;
  border-radius:var(--radius-sm);
  letter-spacing:.05em;
  cursor:pointer;
  transition:border-color .3s,color .3s,background .3s;
}
.btn-outline:hover{
  border-color:var(--gold);
  color:var(--gold);
  background:rgba(201,168,124,.05);
}

/* ========== Footer ========== */
.site-footer{
  background:var(--ink);
  color:rgba(255,255,255,.7);
  margin-top:80px;
  flex-shrink:0;
}
.site-footer .container{
  padding-top:64px;
  padding-bottom:40px;
}
.footer-brand{
  font-family:var(--font-en);
  font-size:26px;
  font-weight:800;
  color:var(--gold);
  letter-spacing:.2em;
}
.footer-brand-sub{
  font-size:13px;
  color:#fff;
  margin-top:6px;
  letter-spacing:.1em;
}
.footer-desc{
  margin-top:20px;
  font-size:14px;
  color:var(--text-3);
  max-width:300px;
  line-height:1.8;
}
.site-footer h4{
  color:#fff;
  font-size:16px;
  font-weight:600;
  margin-bottom:20px;
  letter-spacing:.05em;
}
.footer-links ul{display:flex;flex-direction:column;gap:12px}
.footer-links a{
  color:rgba(255,255,255,.7);
  font-size:14px;
  letter-spacing:.04em;
  transition:color .3s;
}
.footer-links a:hover{color:var(--gold)}
.footer-contact p{
  font-size:14px;
  margin-bottom:12px;
  color:rgba(255,255,255,.7);
  letter-spacing:.03em;
}
.footer-contact i{
  color:var(--gold);
  margin-right:10px;
  width:16px;
  font-size:13px;
}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.08);
  padding:20px 0;
}
.footer-bottom p{
  font-size:12px;
  color:var(--text-3);
  text-align:center;
  letter-spacing:.05em;
  margin-bottom:0;
}

/* ========== Fade Up Animation ========== */
.js .fade-up{
  opacity:0;
  transform:translateY(24px);
  transition:opacity .6s ease,transform .6s ease;
}
.js .fade-up.in-view{
  opacity:1;
  transform:translateY(0);
}
.js .fade-up.delay-1{transition-delay:.08s}
.js .fade-up.delay-2{transition-delay:.16s}

/* ========== Bootstrap Overrides ========== */
.btn{font-family:var(--font-main)}
.form-control{
  background:transparent;
  border:0;
  border-bottom:1px solid var(--line);
  border-radius:0;
  padding:12px 0;
  font-size:15px;
  color:var(--text);
  transition:border-color .3s;
  font-family:var(--font-main);
}
.form-control:focus{
  background:transparent;
  border-color:var(--gold);
  box-shadow:none;
  color:var(--text);
}
.form-label{
  font-size:12px;
  color:var(--text-2);
  letter-spacing:.05em;
  margin-bottom:4px;
}

/* ========== Responsive ========== */
@media (max-width:1199.98px){
  .sidebar-nav{
    width:76px;
    padding:32px 16px;
    align-items:center;
  }
  .sidebar-brand{
    padding-bottom:36px;
    text-align:center;
    border-bottom:1px solid rgba(255,255,255,.08);
    width:100%;
  }
  .brand-logo{font-size:18px;letter-spacing:.14em}
  .brand-sub{font-size:10px;letter-spacing:.08em}
  .sidebar-menu .nav-link{
    padding:14px 10px;
    font-size:0;
    text-align:center;
    border-left:none;
    border-radius:var(--radius-sm);
  }
  .sidebar-menu .nav-link::after{
    content:'';
    display:inline-block;
    width:8px;height:8px;
    border-radius:2px;
    background:rgba(255,255,255,.35);
    transition:background .3s;
  }
  .sidebar-menu .nav-link:hover::after{background:var(--gold)}
  .sidebar-menu .nav-link.active::after{background:var(--gold)}
  .sidebar-footer p{font-size:10px;text-align:center}
  .main-content{margin-left:76px}
  .article-title{font-size:34px}
}
@media (max-width:991.98px){
  .sidebar-nav{display:none}
  .mobile-header{display:flex}
  .mobile-menu{display:flex}
  .main-content{margin-left:0;padding-top:64px}
  .article-page{padding-top:56px}
  .site-footer{margin-top:56px}
  .site-footer .container{padding-top:48px}
  .related-card{margin-bottom:24px}
}
@media (max-width:767.98px){
  .article-title{font-size:28px;line-height:1.35}
  .article-body h2{font-size:26px}
  .article-body h3{font-size:22px}
  .article-body{font-size:16px;margin-top:32px}
  .breadcrumb-line{font-size:12px;margin-bottom:32px}
  .article-foot{flex-direction:column;align-items:flex-start}
  .related-posts h2{font-size:26px}
  .back-links{flex-direction:column;gap:16px;align-items:flex-start}
  .site-footer .row>div{margin-bottom:32px}
  .site-footer .row>div:last-child{margin-bottom:0}
}
@media (max-width:520px){
  .container-fluid{padding:0 20px}
  .article-title{font-size:24px}
  .article-meta{gap:8px;font-size:12px}
  .related-posts{margin-top:56px}
  .back-links{margin-top:40px}
  .btn-primary{padding:13px 28px;font-size:14px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  html{scroll-behavior:auto}
  .js .fade-up{opacity:1;transform:none}
}

/* roulang page: category1 */
:root {
            --ink: #1A1A1A;
            --gold: #C9A87C;
            --gold-dark: #B08C60;
            --bg: #FAF9F7;
            --bg-alt: #F0EDE8;
            --text: #1A1A1A;
            --text-2: #6E6A64;
            --text-3: #A39E96;
            --line: #E5E0D8;
            --success: #3E7C4F;
            --radius-lg: 16px;
            --radius-md: 12px;
            --radius-sm: 8px;
            --shadow-sm: 0 1px 3px rgba(26, 26, 26, 0.04);
            --shadow-md: 0 8px 24px rgba(26, 26, 26, 0.08);
            --font-cn: -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
            --font-en: "Inter", "Helvetica Neue", Arial, sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-cn);
            font-size: 16px;
            line-height: 1.8;
            color: var(--text);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: all 0.3s ease;
        }

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

        button {
            border: none;
            background: none;
            cursor: pointer;
            font-family: inherit;
        }

        ul,
        ol {
            list-style: none;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.3;
        }

        .container {
            max-width: 1240px;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* ============ 侧边导航 ============ */
        .sidebar-nav {
            position: fixed;
            top: 0;
            left: 0;
            bottom: 0;
            width: 260px;
            background: var(--ink);
            z-index: 1030;
            display: flex;
            flex-direction: column;
            padding: 40px 28px 24px;
        }

        .sidebar-brand {
            margin-bottom: 48px;
        }

        .brand-logo {
            font-family: var(--font-en);
            font-size: 24px;
            font-weight: 800;
            color: var(--gold);
            letter-spacing: 0.2em;
            line-height: 1.2;
        }

        .brand-sub {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.6);
            margin-top: 4px;
            letter-spacing: 0.15em;
        }

        .sidebar-menu ul {
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

        .sidebar-menu a {
            display: block;
            padding: 12px 16px;
            color: rgba(255, 255, 255, 0.7);
            font-size: 15px;
            letter-spacing: 0.05em;
            border-left: 2px solid transparent;
            transition: all 0.3s ease;
        }

        .sidebar-menu a:hover {
            color: #fff;
            border-left-color: var(--gold);
            padding-left: 20px;
        }

        .sidebar-menu a.active {
            color: #fff;
            border-left-color: var(--gold);
            background: rgba(255, 255, 255, 0.05);
        }

        .sidebar-footer {
            margin-top: auto;
            font-size: 12px;
            color: var(--text-3);
        }

        .sidebar-footer p {
            margin: 0;
            font-family: var(--font-en);
            letter-spacing: 0.05em;
        }

        .nav-toggle {
            display: none;
            font-size: 22px;
            color: #fff;
            padding: 8px;
            border-radius: 8px;
            transition: background 0.3s;
        }

        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.08);
        }

        /* ============ 主内容区 ============ */
        .main-content {
            margin-left: 260px;
        }

        .section {
            padding: 96px 0;
        }

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

        .section-tag {
            display: inline-block;
            padding: 4px 14px;
            border: 1px solid var(--gold);
            color: var(--gold-dark);
            border-radius: 999px;
            font-size: 12px;
            letter-spacing: 0.1em;
            background: transparent;
        }

        .section-title {
            font-size: 36px;
            font-weight: 800;
            margin-top: 16px;
            color: var(--text);
            letter-spacing: 0.02em;
        }

        .section-desc {
            margin-top: 12px;
            color: var(--text-2);
            max-width: 600px;
            font-size: 15px;
            line-height: 1.8;
        }

        /* ============ 按钮 ============ */
        .btn-custom {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: var(--ink);
            color: #fff;
            border: 0;
            padding: 14px 36px;
            border-radius: 8px;
            font-size: 15px;
            font-weight: 600;
            letter-spacing: 0.05em;
            transition: all 0.3s ease;
            cursor: pointer;
        }

        .btn-custom:hover {
            background: var(--gold);
            color: var(--ink);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(26, 26, 26, 0.15);
        }

        .btn-outline-custom {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: transparent;
            border: 1px solid var(--ink);
            color: var(--ink);
            padding: 14px 36px;
            border-radius: 8px;
            font-size: 15px;
            font-weight: 500;
            letter-spacing: 0.05em;
            transition: all 0.3s ease;
            cursor: pointer;
        }

        .btn-outline-custom:hover {
            border-color: var(--gold);
            color: var(--gold-dark);
            transform: translateY(-2px);
        }

        /* ============ 页头 ============ */
        .page-hero {
            position: relative;
            padding: 120px 0 100px;
            background: var(--bg-alt);
            overflow: hidden;
        }

        .page-hero .hero-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.15;
        }

        .page-hero .hero-bg::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, rgba(240, 237, 232, 0.92) 0%, rgba(240, 237, 232, 0.6) 60%, rgba(240, 237, 232, 0.15) 100%);
        }

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

        .breadcrumb-custom {
            font-size: 12px;
            color: var(--text-3);
            letter-spacing: 0.06em;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .breadcrumb-custom a {
            color: var(--text-2);
        }

        .breadcrumb-custom a:hover {
            color: var(--gold-dark);
        }

        .page-hero h1 {
            font-size: 44px;
            font-weight: 800;
            margin: 20px 0 20px;
            letter-spacing: 0.02em;
            color: var(--text);
        }

        .page-hero .lead-desc {
            font-size: 16px;
            color: var(--text-2);
            max-width: 700px;
            line-height: 1.9;
            margin-bottom: 32px;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
        }

        /* ============ 核心价值 ============ */
        .features {
            background: var(--bg);
        }

        .feature-card {
            background: #fff;
            border: 1px solid var(--line);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            height: 100%;
            transition: all 0.3s ease;
        }

        .feature-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-5px);
            border-color: var(--gold);
        }

        .feature-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: var(--bg-alt);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--gold-dark);
            font-size: 20px;
            margin-bottom: 20px;
            transition: background 0.3s, color 0.3s;
        }

        .feature-card:hover .feature-icon {
            background: var(--gold);
            color: #fff;
        }

        .feature-card h3 {
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 10px;
            line-height: 1.5;
        }

        .feature-card p {
            font-size: 14px;
            color: var(--text-2);
            line-height: 1.8;
            margin: 0;
        }

        /* ============ 适用场景 ============ */
        .scenarios {
            background: var(--bg-alt);
        }

        .scenario-item {
            background: #fff;
            border: 1px solid var(--line);
            border-radius: var(--radius-md);
            padding: 24px;
            height: 100%;
            transition: all 0.3s ease;
        }

        .scenario-item:hover {
            border-color: var(--gold);
            box-shadow: var(--shadow-sm);
            transform: translateY(-3px);
        }

        .scenario-icon {
            color: var(--gold-dark);
            font-size: 22px;
            margin-bottom: 12px;
        }

        .scenario-item h4 {
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 6px;
        }

        .scenario-item p {
            font-size: 13px;
            color: var(--text-2);
            margin: 0;
            line-height: 1.7;
        }

        /* ============ 合作流程 ============ */
        .process {
            background: var(--bg);
        }

        .process-column {
            position: relative;
        }

        .process-item {
            text-align: center;
            padding: 24px 16px;
            height: 100%;
        }

        .process-step {
            font-family: var(--font-en);
            font-size: 36px;
            font-weight: 800;
            color: var(--gold);
            line-height: 1;
            opacity: 0.9;
        }

        .process-item h3 {
            font-size: 18px;
            font-weight: 600;
            margin: 16px 0 8px;
        }

        .process-item p {
            font-size: 14px;
            color: var(--text-2);
            max-width: 240px;
            margin: 0 auto;
            line-height: 1.7;
        }

        .process-column:not(:last-child) .process-item::after {
            content: '';
            position: absolute;
            right: -12px;
            top: 42px;
            width: 24px;
            height: 2px;
            background: var(--gold);
        }

        /* ============ 案例 ============ */
        .cases {
            background: var(--bg-alt);
        }

        .case-card {
            background: #fff;
            border: 1px solid var(--line);
            border-radius: var(--radius-lg);
            overflow: hidden;
            height: 100%;
            transition: all 0.3s ease;
        }

        .case-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-5px);
            border-color: var(--gold);
        }

        .case-card .case-img {
            width: 100%;
            height: 220px;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

        .case-card:hover .case-img {
            transform: scale(1.03);
        }

        .case-body {
            padding: 24px 24px 28px;
        }

        .case-body h3 {
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 6px;
        }

        .case-metric {
            color: var(--gold-dark);
            font-size: 20px;
            font-weight: 700;
            margin: 8px 0 10px;
            letter-spacing: 0.02em;
        }

        .case-body p {
            font-size: 14px;
            color: var(--text-2);
            line-height: 1.8;
            margin: 0;
        }

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

        .faq-list .accordion-item {
            background: transparent;
            border: 0;
            border-bottom: 1px solid var(--line);
        }

        .faq-list .accordion-button {
            font-size: 18px;
            font-weight: 600;
            padding: 24px 0;
            background: transparent;
            color: var(--text);
            box-shadow: none;
            border: 0;
            letter-spacing: 0.01em;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        .faq-list .accordion-button::after {
            content: '+';
            font-family: var(--font-en);
            font-size: 24px;
            font-weight: 300;
            color: var(--gold);
            background: none;
            width: auto;
            height: auto;
            margin-left: 16px;
            transition: transform 0.3s ease;
            flex-shrink: 0;
        }

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

        .faq-list .accordion-button:not(.collapsed) {
            background: transparent;
            box-shadow: none;
            color: var(--text);
        }

        .faq-list .accordion-button:focus {
            box-shadow: none;
            border: 0;
        }

        .faq-list .accordion-body {
            padding: 0 0 24px 20px;
            border-left: 2px solid var(--gold);
            margin-left: 2px;
            font-size: 14px;
            color: var(--text-2);
            line-height: 1.9;
        }

        /* ============ CTA ============ */
        .cta-section {
            background: var(--ink);
            padding: 96px 0;
            position: relative;
            overflow: hidden;
            color: #fff;
        }

        .cta-section::before {
            content: 'MILANO';
            position: absolute;
            right: -20px;
            top: 50%;
            transform: translateY(-50%);
            font-family: var(--font-en);
            font-size: 200px;
            font-weight: 800;
            line-height: 1;
            color: rgba(255, 255, 255, 0.03);
            pointer-events: none;
            white-space: nowrap;
            letter-spacing: 0.05em;
        }

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

        .cta-title {
            font-size: 36px;
            font-weight: 800;
            color: #fff;
            letter-spacing: 0.02em;
            margin-bottom: 14px;
        }

        .cta-sub {
            color: rgba(255, 255, 255, 0.7);
            font-size: 16px;
            line-height: 1.8;
            margin: 0;
        }

        .cta-form {
            margin-top: 16px;
        }

        .cta-form .form-group {
            margin-bottom: 20px;
        }

        .cta-form label {
            font-size: 12px;
            color: var(--text-3);
            letter-spacing: 0.06em;
            margin-bottom: 4px;
            display: block;
        }

        .cta-form .form-control {
            background: transparent;
            border: 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.25);
            border-radius: 0;
            color: #fff;
            padding: 8px 0;
            font-family: var(--font-cn);
            font-size: 15px;
            transition: border-color 0.3s, box-shadow 0.3s;
        }

        .cta-form .form-control:focus {
            background: transparent;
            color: #fff;
            border-bottom-color: var(--gold);
            box-shadow: 0 1px 0 0 var(--gold);
            outline: none;
        }

        .cta-form .form-control::placeholder {
            color: rgba(255, 255, 255, 0.35);
            font-size: 13px;
        }

        .cta-form textarea.form-control {
            min-height: 44px;
            resize: vertical;
        }

        .cta-note {
            font-size: 12px;
            color: var(--text-3);
            margin-top: 16px;
            letter-spacing: 0.05em;
        }

        .cta-btn-wrap {
            margin-top: 8px;
        }

        .cta-section .btn-custom {
            background: var(--gold);
            color: var(--ink);
        }

        .cta-section .btn-custom:hover {
            background: #fff;
            color: var(--ink);
        }

        /* ============ 页脚 ============ */
        .site-footer {
            background: var(--ink);
            color: rgba(255, 255, 255, 0.7);
            padding: 64px 0 0;
        }

        .footer-brand {
            font-family: var(--font-en);
            font-size: 24px;
            font-weight: 800;
            color: var(--gold);
            letter-spacing: 0.2em;
            line-height: 1.2;
        }

        .footer-brand-sub {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
            margin-top: 4px;
            letter-spacing: 0.1em;
        }

        .footer-desc {
            font-size: 13px;
            color: var(--text-3);
            margin-top: 16px;
            max-width: 280px;
            line-height: 1.8;
        }

        .site-footer h4 {
            font-size: 14px;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 0.06em;
        }

        .footer-links ul {
            padding: 0;
        }

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

        .footer-links a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 14px;
            transition: color 0.3s;
        }

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

        .footer-contact p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 10px;
        }

        .footer-contact i {
            color: var(--gold);
            margin-right: 8px;
            width: 18px;
            text-align: center;
        }

        .footer-bottom {
            margin-top: 48px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding: 24px 0;
            text-align: center;
        }

        .footer-bottom p {
            font-size: 12px;
            color: var(--text-3);
            margin: 0;
            letter-spacing: 0.04em;
        }

        /* ============ 动效 ============ */
        .reveal-init {
            opacity: 1;
            transform: none;
        }

        body.js-ready .reveal-init {
            opacity: 0;
            transform: translateY(24px);
            transition: opacity 0.6s ease, transform 0.6s ease;
        }

        body.js-ready .reveal-init.revealed {
            opacity: 1;
            transform: none;
        }

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

        /* ============ 响应式 ============ */
        @media (max-width: 1199.98px) {
            .section {
                padding: 80px 0;
            }

            .section-title {
                font-size: 32px;
            }

            .page-hero h1 {
                font-size: 38px;
            }
        }

        @media (max-width: 991.98px) {
            .sidebar-nav {
                width: 100%;
                height: 64px;
                bottom: auto;
                flex-direction: row;
                align-items: center;
                padding: 0 24px;
                justify-content: space-between;
            }

            .sidebar-brand {
                margin-bottom: 0;
                display: flex;
                align-items: baseline;
                gap: 8px;
            }

            .brand-logo {
                font-size: 18px;
            }

            .brand-sub {
                display: inline;
            }

            .sidebar-menu {
                position: fixed;
                top: 64px;
                left: 0;
                right: 0;
                bottom: 0;
                background: var(--ink);
                display: flex;
                align-items: center;
                justify-content: center;
                opacity: 0;
                visibility: hidden;
                transform: translateY(-12px);
                transition: opacity 0.3s ease, transform 0.3s ease, visibility 0.3s;
                z-index: 1029;
                padding: 40px 24px;
            }

            body.menu-open .sidebar-menu {
                opacity: 1;
                visibility: visible;
                transform: none;
            }

            .sidebar-menu ul {
                flex-direction: column;
                text-align: center;
                gap: 16px;
            }

            .sidebar-menu a {
                font-size: 26px;
                padding: 14px 24px;
                border-left: none;
                border-bottom: 2px solid transparent;
            }

            .sidebar-menu a:hover {
                border-left: none;
                border-bottom-color: var(--gold);
                padding-left: 24px;
                color: #fff;
            }

            .sidebar-menu a.active {
                border-left: none;
                border-bottom-color: var(--gold);
                background: transparent;
                color: var(--gold);
            }

            .sidebar-footer {
                display: none;
            }

            .nav-toggle {
                display: inline-flex;
                align-items: center;
                justify-content: center;
                width: 42px;
                height: 42px;
            }

            .main-content {
                margin-left: 0;
                padding-top: 64px;
            }

            .page-hero {
                padding: 72px 0 64px;
            }

            .page-hero h1 {
                font-size: 32px;
            }

            .cta-section {
                padding: 72px 0;
            }

            .cta-title {
                font-size: 28px;
            }

            .process-column:not(:last-child) .process-item::after {
                display: none;
            }

            .process-item {
                padding: 16px;
            }

            .section {
                padding: 64px 0;
            }

            .section-title {
                font-size: 28px;
            }
        }

        @media (max-width: 767.98px) {
            .page-hero {
                padding: 56px 0 48px;
            }

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

            .page-hero .lead-desc {
                font-size: 14px;
            }

            .hero-actions {
                flex-direction: column;
                align-items: stretch;
            }

            .hero-actions .btn-custom,
            .hero-actions .btn-outline-custom {
                width: 100%;
                justify-content: center;
            }

            .section {
                padding: 56px 0;
            }

            .section-title {
                font-size: 24px;
            }

            .section-desc {
                font-size: 14px;
            }

            .feature-card {
                padding: 24px 20px;
            }

            .cta-section {
                padding: 56px 0;
            }

            .cta-title {
                font-size: 24px;
            }

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

            .footer-bottom {
                margin-top: 32px;
            }

            .site-footer {
                padding: 48px 0 0;
            }
        }

        @media (max-width: 575.98px) {
            .container {
                padding-left: 20px;
                padding-right: 20px;
            }

            .page-hero h1 {
                font-size: 24px;
            }

            .page-hero .lead-desc {
                font-size: 13px;
            }

            .case-body {
                padding: 20px;
            }

            .case-body h3 {
                font-size: 16px;
            }

            .case-metric {
                font-size: 18px;
            }

            .faq-list .accordion-button {
                font-size: 16px;
                padding: 18px 0;
            }
        }