/* roulang page: index */
:root {
            --color-primary: #1B3A36;
            --color-primary-light: #25524B;
            --color-primary-deep: #15211E;
            --color-accent: #B8965A;
            --color-accent-light: #E2D4B8;
            --color-bg: #FAF9F6;
            --color-bg-warm: #F3F0EA;
            --color-bg-muted: #F0ECE3;
            --color-text: #1F1F1F;
            --color-text-secondary: #5C5C5C;
            --color-text-light: #4A4A4A;
            --color-white: #FFFFFF;
            --color-amber: #D4783B;
            --color-amber-hover: #C06A2E;
            --color-border: #E8E3D9;
            --color-border-input: #D9D3C8;
            --color-footer-text: #C4C0B8;
            --radius-sm: 6px;
            --radius-md: 8px;
            --radius-lg: 12px;
            --shadow-card: 0 2px 12px rgba(27, 58, 54, 0.06);
            --shadow-card-hover: 0 8px 24px rgba(27, 58, 54, 0.12);
            --shadow-mega: 0 12px 28px rgba(0, 0, 0, 0.08);
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.3s ease;
            --font-zh: 'PingFang SC', 'Microsoft YaHei', 'Hiragino Sans GB', 'Noto Sans SC', system-ui, sans-serif;
            --font-en: 'Inter', 'SF Pro Text', system-ui, -apple-system, sans-serif;
            --section-gap-desktop: 100px;
            --section-gap-mobile: 60px;
            --card-padding-lg: 32px;
            --card-padding-sm: 24px;
            --grid-gap-desktop: 30px;
            --grid-gap-tablet: 20px;
            --grid-gap-mobile: 24px;
        }

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

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-zh);
            font-size: 16px;
            line-height: 1.6;
            font-weight: 400;
            color: var(--color-text);
            background-color: var(--color-bg);
            margin: 0;
            padding: 0;
            overflow-x: hidden;
            -webkit-tap-highlight-color: transparent;
        }

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

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

        button,
        input,
        textarea,
        select {
            font-family: var(--font-zh);
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            margin-top: 0;
            color: var(--color-primary);
        }

        h1 {
            font-size: 44px;
            line-height: 1.25;
            font-weight: 700;
            color: var(--color-primary);
        }

        h2 {
            font-size: 32px;
            line-height: 1.3;
            font-weight: 600;
            color: var(--color-primary);
            position: relative;
            margin-bottom: 1.5rem;
        }

        h2::after {
            content: '';
            display: block;
            width: 40px;
            height: 4px;
            background: var(--color-accent);
            margin-top: 10px;
            border-radius: 2px;
        }

        h3 {
            font-size: 20px;
            line-height: 1.4;
            font-weight: 600;
            color: var(--color-text);
        }

        p {
            margin-top: 0;
            margin-bottom: 1.5rem;
            color: var(--color-text-secondary);
            line-height: 1.6;
        }

        .text-sm {
            font-size: 13px;
            line-height: 1.5;
            font-weight: 500;
            color: var(--color-text-secondary);
        }

        .text-accent {
            color: var(--color-accent);
        }

        .text-primary {
            color: var(--color-primary);
        }

        .container-custom {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* ===== 覆盖 Foundation 默认样式 ===== */
        .top-bar,
        .top-bar ul {
            background: transparent !important;
        }

        .top-bar {
            padding: 0;
        }

        .top-bar a {
            color: #3A3A3A !important;
            font-weight: 500;
            font-size: 15px;
        }

        .top-bar a:hover {
            color: var(--color-accent) !important;
        }

        .top-bar .menu>li>a {
            padding: 0.7rem 1rem;
        }

        .top-bar .menu .active>a {
            color: var(--color-accent) !important;
        }

        .menu>li>a {
            transition: color var(--transition-fast);
        }

        button,
        .button {
            transition: all var(--transition-fast);
            cursor: pointer;
            font-family: var(--font-zh);
        }

        .button {
            border-radius: var(--radius-sm);
        }

        .accordion-title {
            font-size: 18px !important;
            font-weight: 600 !important;
        }

        .accordion-content {
            font-size: 16px !important;
            color: #4A4A4A !important;
        }

        input[type="text"],
        input[type="email"],
        input[type="tel"],
        textarea,
        select {
            border-radius: var(--radius-sm) !important;
            border: 1px solid var(--color-border-input) !important;
            font-family: var(--font-zh);
            font-size: 15px;
            padding: 12px 14px;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
            box-shadow: none !important;
        }

        input[type="text"]:focus,
        input[type="email"]:focus,
        input[type="tel"]:focus,
        textarea:focus,
        select:focus {
            border-color: var(--color-accent) !important;
            box-shadow: 0 0 0 3px rgba(184, 150, 90, 0.15) !important;
            outline: none;
        }

        label {
            font-size: 14px;
            font-weight: 500;
            color: var(--color-text);
        }

        /* ===== 导航栏 ===== */
        .navbar-wrapper {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(250, 249, 246, 0.95);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            border-bottom: 1px solid var(--color-border);
            transition: all var(--transition-fast);
        }

        .navbar-inner {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            position: relative;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 700;
            color: var(--color-primary);
            white-space: nowrap;
            z-index: 1001;
        }

        .logo-diamond {
            width: 24px;
            height: 24px;
            background: var(--color-accent);
            transform: rotate(45deg);
            border-radius: 3px;
            flex-shrink: 0;
        }

        .nav-links-desktop {
            display: flex;
            align-items: center;
            gap: 32px;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .nav-links-desktop li {
            position: relative;
        }

        .nav-links-desktop a {
            font-size: 15px;
            font-weight: 500;
            color: #3A3A3A;
            padding: 8px 0;
            transition: color var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }

        .nav-links-desktop a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--color-accent);
            transition: width var(--transition-fast);
        }

        .nav-links-desktop a:hover {
            color: var(--color-accent);
        }

        .nav-links-desktop a:hover::after {
            width: 100%;
        }

        .mega-trigger {
            display: flex;
            align-items: center;
            gap: 6px;
            cursor: pointer;
            font-size: 15px;
            font-weight: 500;
            color: #3A3A3A;
            padding: 8px 0;
            transition: color var(--transition-fast);
            user-select: none;
            position: relative;
        }

        .mega-trigger i {
            font-size: 10px;
            transition: transform var(--transition-fast);
        }

        .mega-trigger:hover {
            color: var(--color-accent);
        }

        .mega-trigger:hover i {
            transform: rotate(180deg);
        }

        .mega-panel {
            position: absolute;
            top: 100%;
            right: 0;
            width: 600px;
            background: var(--color-white);
            border-radius: 0 0 var(--radius-lg) var(--radius-lg);
            box-shadow: var(--shadow-mega);
            padding: 24px;
            display: none;
            z-index: 999;
            border: 1px solid var(--color-border);
            border-top: 2px solid var(--color-accent);
        }

        .mega-trigger-wrapper {
            position: relative;
        }

        .mega-trigger-wrapper:hover .mega-panel {
            display: block;
        }

        .mega-panel-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 16px;
        }

        .mega-panel-card {
            padding: 16px;
            border-radius: var(--radius-md);
            transition: background var(--transition-fast);
            cursor: pointer;
        }

        .mega-panel-card:hover {
            background: #F8F6F2;
        }

        .mega-panel-card .mega-icon {
            font-size: 28px;
            color: var(--color-accent);
            margin-bottom: 8px;
        }

        .mega-panel-card .mega-title {
            font-size: 15px;
            font-weight: 600;
            color: var(--color-text);
            margin-bottom: 4px;
        }

        .mega-panel-card .mega-desc {
            font-size: 12px;
            color: var(--color-text-secondary);
            line-height: 1.4;
            margin: 0;
        }

        /* 移动端汉堡菜单 */
        .nav-hamburger {
            display: none;
            background: none;
            border: none;
            cursor: pointer;
            padding: 8px;
            z-index: 1001;
            flex-direction: column;
            gap: 5px;
            width: 44px;
            height: 44px;
            align-items: center;
            justify-content: center;
        }

        .nav-hamburger span {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--color-primary);
            border-radius: 2px;
            transition: all var(--transition-fast);
        }

        .nav-hamburger.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }

        .nav-hamburger.active span:nth-child(2) {
            opacity: 0;
        }

        .nav-hamburger.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        .mobile-menu-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(0, 0, 0, 0.4);
            z-index: 998;
        }

        .mobile-menu-overlay.active {
            display: block;
        }

        .mobile-nav-panel {
            display: none;
            position: fixed;
            top: 64px;
            left: 0;
            right: 0;
            bottom: 0;
            background: var(--color-bg);
            z-index: 999;
            overflow-y: auto;
            padding: 20px;
            border-top: 1px solid var(--color-border);
        }

        .mobile-nav-panel.active {
            display: block;
        }

        .mobile-nav-panel a {
            display: block;
            padding: 14px 0;
            font-size: 16px;
            font-weight: 500;
            color: var(--color-text);
            border-bottom: 1px solid var(--color-border);
            transition: color var(--transition-fast);
        }

        .mobile-nav-panel a:hover {
            color: var(--color-accent);
        }

        .mobile-mega-toggle {
            display: block;
            padding: 14px 0;
            font-size: 16px;
            font-weight: 500;
            color: var(--color-text);
            border-bottom: 1px solid var(--color-border);
            cursor: pointer;
            user-select: none;
        }

        .mobile-mega-toggle i {
            float: right;
            transition: transform var(--transition-fast);
            font-size: 12px;
            margin-top: 5px;
        }

        .mobile-mega-toggle.open i {
            transform: rotate(180deg);
        }

        .mobile-mega-sublist {
            display: none;
            padding-left: 16px;
            margin-bottom: 0;
            list-style: none;
        }

        .mobile-mega-sublist.open {
            display: block;
        }

        .mobile-mega-sublist a {
            font-size: 14px;
            font-weight: 400;
            color: var(--color-text-secondary);
            padding: 10px 0;
        }

        /* ===== Hero 区块 ===== */
        #hero {
            padding-top: 64px;
            min-height: 85vh;
            display: flex;
            align-items: center;
            position: relative;
            overflow: hidden;
        }

        #hero .hero-inner {
            max-width: 1200px;
            margin: 0 auto;
            padding: 60px 20px;
            display: grid;
            grid-template-columns: 5fr 7fr;
            gap: 40px;
            width: 100%;
            position: relative;
            z-index: 1;
        }

        .hero-decor-circles {
            position: absolute;
            top: 50%;
            left: 18%;
            transform: translate(-50%, -50%);
            width: 500px;
            height: 500px;
            pointer-events: none;
            z-index: 0;
            opacity: 0.15;
        }

        .hero-decor-circles::before {
            content: '';
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 400px;
            height: 400px;
            border-radius: 50%;
            border: 1px solid var(--color-accent);
        }

        .hero-decor-circles::after {
            content: '';
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 280px;
            height: 280px;
            border-radius: 50%;
            border: 1px solid var(--color-accent-light);
        }

        .hero-data-panel {
            background: var(--color-bg-warm);
            border-radius: var(--radius-lg);
            padding: 40px 28px;
            display: flex;
            flex-direction: column;
            gap: 28px;
            position: relative;
            z-index: 1;
            border: 1px solid transparent;
            transition: border-color var(--transition-fast);
        }

        .hero-data-item {
            text-align: center;
        }

        .hero-data-number {
            font-size: 40px;
            font-weight: 700;
            color: var(--color-accent);
            line-height: 1;
            margin-bottom: 6px;
            font-family: var(--font-en);
            letter-spacing: -0.5px;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
        }

        .hero-data-number .arrow-up {
            display: inline-block;
            width: 8px;
            height: 8px;
            border-left: 2px solid var(--color-amber);
            border-bottom: 2px solid var(--color-amber);
            transform: rotate(135deg);
            animation: pulse-arrow 2s ease-in-out infinite;
        }

        @keyframes pulse-arrow {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.4;
            }
        }

        .hero-data-label {
            font-size: 13px;
            color: var(--color-text-secondary);
            font-weight: 500;
        }

        .hero-content {
            display: flex;
            flex-direction: column;
            justify-content: center;
            gap: 20px;
            position: relative;
            z-index: 1;
        }

        .hero-content h1 {
            margin-bottom: 4px;
        }

        .hero-subtitle {
            font-size: 18px;
            font-weight: 500;
            color: var(--color-text-secondary);
            margin-bottom: 0;
            line-height: 1.5;
        }

        .hero-desc {
            font-size: 15px;
            color: var(--color-text-secondary);
            line-height: 1.7;
            margin-bottom: 0;
            max-width: 520px;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--color-primary);
            color: var(--color-white);
            padding: 14px 32px;
            border-radius: var(--radius-sm);
            font-size: 16px;
            font-weight: 600;
            border: none;
            cursor: pointer;
            transition: all var(--transition-fast);
            text-decoration: none;
            white-space: nowrap;
            position: relative;
            overflow: hidden;
        }

        .btn-primary:hover {
            background: var(--color-primary-light);
            color: var(--color-white);
            text-decoration: none;
            border-bottom: 2px solid var(--color-accent);
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: var(--color-accent);
            padding: 14px 32px;
            border-radius: var(--radius-sm);
            font-size: 16px;
            font-weight: 600;
            border: 1.5px solid var(--color-accent);
            cursor: pointer;
            transition: all var(--transition-fast);
            text-decoration: none;
            white-space: nowrap;
        }

        .btn-secondary:hover {
            border-color: var(--color-primary);
            color: var(--color-primary);
            text-decoration: none;
        }

        .btn-amber {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--color-amber);
            color: var(--color-white);
            padding: 14px 32px;
            border-radius: var(--radius-sm);
            font-size: 16px;
            font-weight: 600;
            border: none;
            cursor: pointer;
            transition: all var(--transition-fast);
            text-decoration: none;
            white-space: nowrap;
        }

        .btn-amber:hover {
            background: var(--color-amber-hover);
            color: var(--color-white);
            text-decoration: none;
        }

        .hero-cta-row {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            align-items: center;
        }

        .hero-confidence {
            font-size: 13px;
            color: var(--color-text-secondary);
            opacity: 0.8;
            margin-top: 4px;
        }

        /* ===== 板块通用样式 ===== */
        .section-block {
            padding: var(--section-gap-desktop) 0;
        }

        .section-header {
            text-align: center;
            margin-bottom: 50px;
        }

        .section-header h2 {
            display: inline-block;
        }

        .section-header h2::after {
            margin: 10px auto 0;
        }

        .section-header p {
            max-width: 600px;
            margin: 16px auto 0;
            font-size: 15px;
            color: var(--color-text-secondary);
        }

        /* ===== 服务矩阵 ===== */
        #services {
            background: var(--color-bg);
        }

        .services-grid {
            display: grid;
            grid-template-columns: 5fr 7fr;
            gap: var(--grid-gap-desktop);
            align-items: stretch;
        }

        .service-card-large {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: all var(--transition-smooth);
            border-left: 4px solid var(--color-accent);
            display: flex;
            flex-direction: column;
            height: 100%;
        }

        .service-card-large:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
            border-color: var(--color-accent);
            border: 1px solid var(--color-accent);
            border-left: 4px solid var(--color-accent);
        }

        .service-card-large .card-image {
            aspect-ratio: 16 / 9;
            background: #E8E3D9;
            overflow: hidden;
            position: relative;
        }

        .service-card-large .card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .service-card-large .card-body {
            padding: var(--card-padding-lg);
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .service-card-large .card-icon {
            font-size: 36px;
            color: var(--color-accent);
        }

        .service-card-large h3 {
            margin: 0;
            font-size: 22px;
        }

        .service-card-large p {
            font-size: 14px;
            color: var(--color-text-secondary);
            margin: 0;
            flex: 1;
        }

        .service-card-large .card-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--color-accent);
            display: flex;
            align-items: center;
            gap: 6px;
            transition: gap var(--transition-fast);
        }

        .service-card-large .card-link:hover {
            gap: 10px;
            color: var(--color-primary);
        }

        .services-subgrid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            grid-template-rows: 1fr 1fr;
            gap: var(--grid-gap-desktop);
            height: 100%;
        }

        .service-card-small {
            background: var(--color-white);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-card);
            padding: var(--card-padding-sm);
            transition: all var(--transition-smooth);
            border: 1px solid transparent;
            display: flex;
            flex-direction: column;
            gap: 10px;
            cursor: pointer;
        }

        .service-card-small:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
            border: 1px solid var(--color-accent);
        }

        .service-card-small .card-image-mini {
            aspect-ratio: 16 / 10;
            background: #E8E3D9;
            border-radius: var(--radius-sm);
            overflow: hidden;
        }

        .service-card-small .card-image-mini img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .service-card-small .card-icon {
            font-size: 28px;
            color: var(--color-primary);
            margin-top: 2px;
        }

        .service-card-small h3 {
            margin: 0;
            font-size: 17px;
            font-weight: 600;
        }

        .service-card-small p {
            font-size: 13px;
            color: var(--color-text-secondary);
            margin: 0;
            line-height: 1.5;
        }

        .services-cta-row {
            text-align: center;
            margin-top: 40px;
        }

        /* ===== 对比板块 ===== */
        #compare {
            background: var(--color-bg-warm);
        }

        .compare-wrapper {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .compare-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }

        .compare-card {
            border-radius: var(--radius-md);
            padding: 24px 28px;
            transition: all var(--transition-fast);
            min-height: 80px;
            display: flex;
            align-items: flex-start;
            gap: 14px;
        }

        .compare-card.traditional {
            background: var(--color-bg-muted);
            border: 1px solid #E0DCD3;
        }

        .compare-card.traditional .compare-icon {
            color: #A09B90;
            font-size: 20px;
            flex-shrink: 0;
            margin-top: 2px;
        }

        .compare-card.traditional .compare-label {
            font-size: 12px;
            font-weight: 600;
            color: #8A857A;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            margin-bottom: 4px;
        }

        .compare-card.traditional .compare-text {
            font-size: 15px;
            color: #5C5C5C;
            margin: 0;
        }

        .compare-card.kaiyuan {
            background: var(--color-primary);
            border: 1px solid var(--color-primary-light);
        }

        .compare-card.kaiyuan .compare-icon {
            color: var(--color-accent);
            font-size: 20px;
            flex-shrink: 0;
            margin-top: 2px;
        }

        .compare-card.kaiyuan .compare-label {
            font-size: 12px;
            font-weight: 600;
            color: var(--color-accent-light);
            text-transform: uppercase;
            letter-spacing: 0.5px;
            margin-bottom: 4px;
        }

        .compare-card.kaiyuan .compare-text {
            font-size: 15px;
            color: #FFFFFF;
            margin: 0;
        }

        .compare-chart-section {
            margin-top: 40px;
            background: var(--color-white);
            border-radius: var(--radius-lg);
            padding: 32px;
            box-shadow: var(--shadow-card);
        }

        .compare-chart-section h3 {
            text-align: center;
            margin-bottom: 24px;
            font-size: 18px;
            color: var(--color-text);
        }

        .mini-chart-group {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
            text-align: center;
        }

        .mini-chart-item {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 10px;
        }

        .mini-chart-label {
            font-size: 13px;
            font-weight: 600;
            color: var(--color-text);
            margin-bottom: 4px;
        }

        .mini-chart-bars {
            display: flex;
            align-items: flex-end;
            gap: 16px;
            height: 160px;
            justify-content: center;
        }

        .mini-bar {
            width: 36px;
            border-radius: 6px 6px 0 0;
            transition: height var(--transition-smooth);
            position: relative;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: flex-end;
        }

        .mini-bar.trad {
            background: #C4B99A;
        }

        .mini-bar.kai {
            background: var(--color-accent);
        }

        .mini-bar .bar-value {
            font-size: 11px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 6px;
            text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
        }

        .mini-bar.trad .bar-value {
            color: #5C5C5C;
            text-shadow: none;
        }

        .mini-bar-label-bottom {
            font-size: 11px;
            color: var(--color-text-secondary);
            margin-top: 6px;
            font-weight: 500;
        }

        .compare-cta-row {
            text-align: center;
            margin-top: 32px;
        }

        /* ===== FAQ ===== */
        #faq {
            background: var(--color-bg);
        }

        .faq-wrapper {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-wrapper .accordion {
            border: none;
        }

        .faq-wrapper .accordion-item {
            border-bottom: 1px solid var(--color-border);
            margin-bottom: 0;
        }

        .faq-wrapper .accordion-title {
            font-size: 18px;
            font-weight: 600;
            color: var(--color-text);
            padding: 18px 16px 18px 28px;
            position: relative;
            border: none;
            background: transparent;
            transition: color var(--transition-fast);
        }

        .faq-wrapper .accordion-title::before {
            content: '';
            position: absolute;
            left: 8px;
            top: 50%;
            transform: translateY(-50%);
            width: 3px;
            height: 16px;
            background: var(--color-accent);
            border-radius: 2px;
            transition: height var(--transition-fast), background var(--transition-fast);
        }

        .faq-wrapper .accordion-item.is-active .accordion-title::before {
            height: 24px;
            background: var(--color-primary);
        }

        .faq-wrapper .accordion-title:hover {
            color: var(--color-accent);
        }

        .faq-wrapper .accordion-content {
            font-size: 16px;
            color: #4A4A4A;
            padding: 8px 28px 20px;
            border: none;
            background: transparent;
            line-height: 1.7;
        }

        .faq-cta-row {
            text-align: center;
            margin-top: 36px;
        }

        /* ===== 联系表单 ===== */
        #contact {
            background: var(--color-bg-warm);
        }

        .contact-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: start;
        }

        .contact-info {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .contact-info h2 {
            margin-bottom: 0;
        }

        .contact-info .contact-desc {
            font-size: 15px;
            color: var(--color-text-secondary);
            line-height: 1.7;
            margin: 0;
        }

        .contact-mini-stats {
            display: flex;
            gap: 24px;
            flex-wrap: wrap;
            margin-top: 8px;
        }

        .contact-mini-stat {
            text-align: center;
            min-width: 80px;
        }

        .contact-mini-stat .stat-num {
            font-size: 28px;
            font-weight: 700;
            color: var(--color-accent);
            line-height: 1;
            font-family: var(--font-en);
        }

        .contact-mini-stat .stat-label {
            font-size: 12px;
            color: var(--color-text-secondary);
            margin-top: 4px;
            font-weight: 500;
        }

        .contact-form-card {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            padding: 36px 32px;
            border: 1px solid transparent;
            transition: border-color var(--transition-fast);
        }

        .contact-form-card:hover {
            border-color: var(--color-accent-light);
        }

        .contact-form-card label {
            font-size: 14px;
            font-weight: 500;
            color: var(--color-text);
            margin-bottom: 4px;
            display: block;
        }

        .contact-form-card input,
        .contact-form-card textarea,
        .contact-form-card select {
            width: 100%;
            margin-bottom: 16px;
        }

        .contact-form-card textarea {
            min-height: 100px;
            resize: vertical;
        }

        .contact-form-card .btn-amber {
            width: 100%;
            justify-content: center;
            font-size: 16px;
            padding: 16px;
            border-radius: var(--radius-sm);
        }

        .privacy-note {
            font-size: 12px;
            color: var(--color-text-secondary);
            text-align: center;
            margin-top: 12px;
            opacity: 0.8;
        }

        /* ===== 页脚 ===== */
        footer {
            background: var(--color-primary-deep);
            color: var(--color-footer-text);
            padding: 50px 0 0;
            position: relative;
        }

        footer::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 2px;
            background: linear-gradient(to right, var(--color-accent) 0%, var(--color-primary) 100%);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px 40px;
        }

        .footer-col h4 {
            color: var(--color-white);
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 16px;
            position: relative;
        }

        .footer-col h4::after {
            content: '';
            display: block;
            width: 24px;
            height: 2px;
            background: var(--color-accent);
            margin-top: 8px;
            border-radius: 1px;
        }

        .footer-col p {
            color: var(--color-footer-text);
            font-size: 14px;
            line-height: 1.7;
            margin-bottom: 8px;
        }

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

        .footer-col ul li {
            font-size: 14px;
            color: var(--color-footer-text);
            padding: 4px 0;
            transition: color var(--transition-fast);
            cursor: default;
        }

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

        .footer-dynamic-item {
            margin-bottom: 10px;
        }

        .footer-dynamic-item .fd-date {
            font-size: 11px;
            color: var(--color-accent-light);
            display: block;
            margin-bottom: 2px;
            font-weight: 500;
        }

        .footer-dynamic-item .fd-title {
            font-size: 13px;
            color: var(--color-footer-text);
            line-height: 1.4;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding: 18px 20px;
            text-align: center;
            font-size: 13px;
            color: rgba(196, 192, 184, 0.7);
            max-width: 1200px;
            margin: 0 auto;
        }

        /* ===== 响应式设计 ===== */
        @media (max-width: 1024px) {
            h1 {
                font-size: 34px;
            }
            h2 {
                font-size: 26px;
            }
            h3 {
                font-size: 18px;
            }
            #hero .hero-inner {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .hero-data-number {
                font-size: 32px;
            }
            .services-grid {
                grid-template-columns: 1fr 1fr;
                gap: var(--grid-gap-tablet);
            }
            .services-subgrid {
                grid-template-columns: 1fr 1fr;
                gap: var(--grid-gap-tablet);
            }
            .service-card-large {
                grid-column: 1 / -1;
            }
            .services-grid {
                grid-template-columns: 1fr;
            }
            .services-subgrid {
                grid-template-columns: 1fr 1fr;
            }
            .compare-row {
                grid-template-columns: 1fr 1fr;
            }
            .mini-chart-group {
                grid-template-columns: repeat(3, 1fr);
                gap: 16px;
            }
            .mini-bar {
                width: 28px;
            }
            .mini-chart-bars {
                height: 130px;
                gap: 10px;
            }
            .contact-grid {
                grid-template-columns: 1fr;
                gap: 30px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .nav-links-desktop {
                gap: 16px;
            }
            .mega-panel {
                width: 480px;
                right: -40px;
            }
            .mega-panel-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .section-block {
                padding: 70px 0;
            }
        }

        @media (max-width: 768px) {
            h1 {
                font-size: 28px;
            }
            h2 {
                font-size: 24px;
            }
            h2::after {
                width: 32px;
                height: 3px;
            }
            h3 {
                font-size: 17px;
            }
            body {
                font-size: 15px;
            }
            .nav-links-desktop {
                display: none;
            }
            .nav-hamburger {
                display: flex;
            }
            .navbar-inner {
                height: 56px;
            }
            .mobile-nav-panel {
                top: 56px;
            }
            .mega-panel {
                display: none !important;
            }
            .mega-trigger-wrapper:hover .mega-panel {
                display: none !important;
            }
            #hero {
                min-height: auto;
            }
            #hero .hero-inner {
                grid-template-columns: 1fr;
                gap: 20px;
                padding: 40px 16px;
            }
            .hero-data-panel {
                display: grid;
                grid-template-columns: 1fr 1fr;
                gap: 16px;
                padding: 24px 16px;
            }
            .hero-data-number {
                font-size: 28px;
            }
            .hero-content {
                gap: 14px;
            }
            .hero-cta-row {
                flex-direction: column;
                gap: 12px;
            }
            .hero-cta-row .btn-primary,
            .hero-cta-row .btn-secondary {
                width: 100%;
                justify-content: center;
                text-align: center;
            }
            .services-grid {
                grid-template-columns: 1fr;
                gap: var(--grid-gap-mobile);
            }
            .services-subgrid {
                grid-template-columns: 1fr 1fr;
                gap: var(--grid-gap-mobile);
            }
            .service-card-large .card-body {
                padding: 20px;
            }
            .service-card-small {
                padding: 16px;
            }
            .compare-row {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .compare-card {
                padding: 18px 16px;
                min-height: auto;
            }
            .mini-chart-group {
                grid-template-columns: repeat(3, 1fr);
                gap: 10px;
            }
            .mini-chart-bars {
                height: 100px;
                gap: 8px;
            }
            .mini-bar {
                width: 22px;
                border-radius: 4px 4px 0 0;
            }
            .mini-bar .bar-value {
                font-size: 10px;
                margin-bottom: 3px;
            }
            .mini-bar-label-bottom {
                font-size: 10px;
            }
            .compare-chart-section {
                padding: 20px 12px;
            }
            .contact-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .contact-form-card {
                padding: 24px 16px;
            }
            .contact-mini-stats {
                gap: 14px;
                justify-content: center;
            }
            .contact-mini-stat .stat-num {
                font-size: 24px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
            .section-block {
                padding: 50px 0;
            }
            .section-header {
                margin-bottom: 32px;
            }
            .faq-wrapper .accordion-title {
                font-size: 16px;
                padding: 14px 12px 14px 24px;
            }
            .faq-wrapper .accordion-content {
                font-size: 14px;
                padding: 6px 24px 16px;
            }
            .hero-decor-circles {
                display: none;
            }
        }

        @media (max-width: 520px) {
            h1 {
                font-size: 24px;
            }
            h2 {
                font-size: 21px;
            }
            h2::after {
                width: 28px;
                height: 3px;
                margin-top: 8px;
            }
            h3 {
                font-size: 16px;
            }
            .hero-data-panel {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
                padding: 18px 12px;
            }
            .hero-data-number {
                font-size: 24px;
            }
            .hero-data-label {
                font-size: 11px;
            }
            .services-subgrid {
                grid-template-columns: 1fr;
                gap: var(--grid-gap-mobile);
            }
            .mini-chart-group {
                grid-template-columns: 1fr 1fr 1fr;
                gap: 6px;
            }
            .mini-chart-bars {
                height: 90px;
                gap: 6px;
            }
            .mini-bar {
                width: 18px;
                border-radius: 3px 3px 0 0;
            }
            .mini-bar .bar-value {
                font-size: 9px;
            }
            .mini-bar-label-bottom {
                font-size: 9px;
            }
            .mini-chart-label {
                font-size: 11px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 18px;
            }
            .contact-mini-stats {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
            }
            .contact-mini-stat {
                display: flex;
                align-items: center;
                gap: 10px;
            }
            .contact-mini-stat .stat-num {
                font-size: 22px;
                min-width: 50px;
            }
            .btn-primary,
            .btn-secondary,
            .btn-amber {
                padding: 12px 20px;
                font-size: 14px;
                min-height: 44px;
            }
            .section-block {
                padding: 40px 0;
            }
            .section-header {
                margin-bottom: 24px;
            }
            .service-card-large .card-body {
                padding: 16px;
            }
            .service-card-small {
                padding: 14px;
                gap: 6px;
            }
            .compare-chart-section {
                padding: 16px 8px;
            }
        }

        /* ===== 工具类 ===== */
        .text-center {
            text-align: center;
        }
        .mt-0 {
            margin-top: 0;
        }
        .mb-0 {
            margin-bottom: 0;
        }
        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            border: 0;
        }

        /* ===== 数字看板动画脉冲 ===== */
        @keyframes subtle-pulse {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(184, 150, 90, 0.3);
            }
            50% {
                box-shadow: 0 0 0 8px rgba(184, 150, 90, 0);
            }
        }

        .hero-data-panel {
            animation: subtle-pulse 3s ease-in-out infinite;
        }