/* ========== 设计变量 ========== */
        :root {
            --bg-dark: #0D0B0A;
            --bg-dark-2: #171310;
            --bg-dark-3: #1F1915;
            --bg-light: #FAF6F0;
            --bg-light-2: #FFFCF7;
            --gold: #C99645;
            --gold-light: #D4A24E;
            --gold-dark: #8E5A2B;
            --copper: #B45A38;
            --text-main: #F0E8DD;
            --text-dim: #BFB0A0;
            --text-dark: #3A2E22;
            --text-dark-dim: #6B5740;
            --border-gold: rgba(201, 150, 69, 0.25);
            --border-gold-light: rgba(201, 150, 69, 0.45);
            --radius-lg: 24px;
            --radius-md: 12px;
            --shadow-card: 0 20px 50px rgba(0, 0, 0, 0.45);
            --shadow-card-hover: 0 30px 60px rgba(0, 0, 0, 0.55);
            --font-title: Georgia, "Noto Serif SC", "Songti SC", SimSun, serif;
            --font-body: "PingFang SC", "Microsoft YaHei", sans-serif;
            --transition: 0.25s ease;
        }

        /* ========== Reset & Base ========== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-main);
            background: var(--bg-dark);
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition);
        }
        ul,
        ol {
            list-style: none;
        }
        input,
        textarea,
        select,
        button {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
            border: none;
            outline: none;
            background: none;
        }
        :focus-visible {
            outline: 2px solid #D4A24E;
            outline-offset: 2px;
        }

        /* ========== 容器与通用 ========== */
        .container {
            width: 100%;
            max-width: 1240px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .section {
            padding: 90px 0;
        }
        .section-tight {
            padding: 60px 0;
        }
        .section-header {
            text-align: center;
            margin-bottom: 50px;
            max-width: 720px;
            margin-left: auto;
            margin-right: auto;
        }
        .section-header .overline {
            display: inline-block;
            font-size: 13px;
            letter-spacing: 3px;
            color: var(--gold);
            text-transform: uppercase;
            margin-bottom: 10px;
            font-weight: 600;
            border: 1px solid var(--border-gold);
            padding: 4px 18px;
            border-radius: 50px;
            background: rgba(201, 150, 69, 0.08);
        }
        .section-header h2 {
            font-family: var(--font-title);
            font-size: 34px;
            font-weight: 800;
            color: var(--text-main);
            letter-spacing: -0.02em;
            line-height: 1.3;
        }
        .section-header h2 .hl {
            color: var(--gold);
        }
        .section-header p {
            color: var(--text-dim);
            margin-top: 14px;
            font-size: 16px;
        }

        /* ========== 按钮 ========== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 14px 30px;
            border-radius: var(--radius-md);
            font-size: 15px;
            font-weight: 600;
            cursor: pointer;
            transition: all var(--transition);
            border: 1px solid transparent;
            line-height: 1.4;
        }
        .btn:active {
            transform: scale(0.98);
        }
        .btn-primary {
            background: linear-gradient(135deg, var(--gold) 0%, var(--gold-dark) 100%);
            color: #fff;
            box-shadow: 0 8px 24px rgba(201, 150, 69, 0.3);
        }
        .btn-primary:hover {
            filter: brightness(1.08);
            transform: translateY(-2px);
            box-shadow: 0 12px 30px rgba(201, 150, 69, 0.4);
        }
        .btn-secondary {
            background: transparent;
            border-color: var(--border-gold-light);
            color: var(--gold-light);
        }
        .btn-secondary:hover {
            background: rgba(201, 150, 69, 0.12);
            border-color: var(--gold-light);
            transform: translateY(-2px);
        }
        .btn-lg {
            padding: 16px 40px;
            font-size: 17px;
        }
        .btn-sm {
            padding: 10px 20px;
            font-size: 14px;
        }

        /* ========== Header / 导航 ========== */
        .site-header {
            position: relative;
            z-index: 100;
            background: var(--bg-light);
            border-bottom: 1px solid rgba(201, 150, 69, 0.15);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 76px;
            gap: 20px;
        }
        .brand-logo {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }
        .brand-icon {
            width: 42px;
            height: 42px;
            background: linear-gradient(135deg, var(--gold) 0%, var(--gold-dark) 100%);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 18px;
            box-shadow: 0 4px 12px rgba(201, 150, 69, 0.3);
        }
        .brand-text {
            font-family: var(--font-title);
            font-size: 20px;
            font-weight: 800;
            color: var(--text-dark);
            letter-spacing: 0.01em;
            white-space: nowrap;
        }
        .brand-text .hl {
            color: var(--gold-dark);
        }
        .main-nav {
            display: flex;
            align-items: center;
        }
        .main-nav ul {
            display: flex;
            gap: 6px;
            list-style: none;
            margin: 0;
        }
        .main-nav ul li a {
            display: block;
            padding: 8px 16px;
            font-size: 15px;
            color: var(--text-dark);
            border-radius: 8px;
            transition: all var(--transition);
            position: relative;
        }
        .main-nav ul li a::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 16px;
            right: 16px;
            height: 2px;
            background: var(--gold);
            border-radius: 2px;
            transform: scaleX(0);
            transform-origin: center;
            transition: transform var(--transition);
        }
        .main-nav ul li a:hover,
        .main-nav ul li a.active {
            color: var(--gold-dark);
        }
        .main-nav ul li a:hover::after,
        .main-nav ul li a.active::after {
            transform: scaleX(1);
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 14px;
        }
        .search-box {
            display: flex;
            align-items: center;
            gap: 8px;
            background: #fff;
            border: 1px solid rgba(201, 150, 69, 0.3);
            border-radius: 50px;
            padding: 6px 16px;
            transition: all var(--transition);
            width: 200px;
        }
        .search-box:focus-within {
            border-color: var(--gold);
            box-shadow: 0 0 0 3px rgba(201, 150, 69, 0.15);
        }
        .search-box i {
            color: var(--text-dark-dim);
            font-size: 14px;
        }
        .search-box input {
            border: none;
            outline: none;
            background: transparent;
            font-size: 14px;
            color: var(--text-dark);
            width: 100%;
        }
        .search-box input::placeholder {
            color: #B0A08A;
        }
        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            padding: 8px;
            background: transparent;
            border: none;
        }
        .hamburger span {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--text-dark);
            border-radius: 2px;
            transition: all 0.3s ease;
        }
        .hamburger.active span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .hamburger.active span:nth-child(2) {
            opacity: 0;
        }
        .hamburger.active span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        /* 移动端导航 */
        .mobile-menu {
            display: none;
            position: absolute;
            top: 76px;
            left: 0;
            right: 0;
            background: var(--bg-light);
            border-bottom: 2px solid var(--border-gold);
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
            padding: 16px 24px 24px;
            z-index: 99;
        }
        .mobile-menu.open {
            display: block;
        }
        .mobile-menu ul {
            margin: 0;
        }
        .mobile-menu ul li {
            margin-bottom: 4px;
        }
        .mobile-menu ul li a {
            display: block;
            padding: 12px 16px;
            font-size: 16px;
            color: var(--text-dark);
            border-radius: 8px;
            transition: background var(--transition);
        }
        .mobile-menu ul li a:hover {
            background: rgba(201, 150, 69, 0.1);
            color: var(--gold-dark);
        }
        .mobile-menu .search-box {
            width: 100%;
            margin-top: 12px;
            margin-bottom: 12px;
        }
        .mobile-menu .btn {
            width: 100%;
        }

        /* ========== Hero ========== */
        .hero {
            position: relative;
            min-height: 720px;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            padding: 100px 0 80px;
            overflow: hidden;
            background-color: var(--bg-dark);
        }
        .hero-bg {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-image: url('/assets/images/backpic/back-1.jpg');
            background-size: cover;
            background-position: center;
            z-index: 0;
        }
        .hero-overlay {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: radial-gradient(ellipse at center, rgba(201, 150, 69, 0.22) 0%, rgba(13, 11, 10, 0.75) 55%, rgba(13, 11, 10, 0.95) 100%);
            z-index: 1;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 900px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(13, 11, 10, 0.6);
            border: 1px solid var(--border-gold-light);
            color: var(--gold-light);
            font-size: 14px;
            border-radius: 50px;
            padding: 6px 20px;
            margin-bottom: 24px;
            backdrop-filter: blur(4px);
            letter-spacing: 1px;
        }
        .hero-badge i {
            color: var(--gold);
        }
        .hero h1 {
            font-family: var(--font-title);
            font-size: 48px;
            font-weight: 900;
            line-height: 1.25;
            color: var(--text-main);
            letter-spacing: -0.02em;
            margin-bottom: 20px;
            text-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
        }
        .hero h1 .hl {
            color: var(--gold);
        }
        .hero-desc {
            font-size: 17px;
            color: var(--text-dim);
            max-width: 680px;
            margin: 0 auto 36px;
            line-height: 1.8;
            text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
        }
        .hero-ctas {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
            margin-bottom: 50px;
        }
        .hero-countdown {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
            margin-top: 10px;
            background: rgba(13, 11, 10, 0.55);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-lg);
            padding: 16px 32px;
            backdrop-filter: blur(6px);
            max-width: 640px;
            margin-left: auto;
            margin-right: auto;
        }
        .hero-countdown .label {
            font-size: 14px;
            color: var(--text-dim);
            white-space: nowrap;
        }
        .hero-countdown .countdown-nums {
            display: flex;
            gap: 10px;
        }
        .hero-countdown .cd-block {
            text-align: center;
            min-width: 52px;
        }
        .hero-countdown .cd-block .num {
            font-family: var(--font-title);
            font-size: 24px;
            font-weight: 800;
            color: var(--gold-light);
            background: rgba(201, 150, 69, 0.1);
            border: 1px solid var(--border-gold);
            border-radius: 10px;
            padding: 6px 10px;
            display: block;
            line-height: 1.2;
        }
        .hero-countdown .cd-block .unit {
            font-size: 12px;
            color: var(--text-dim);
            margin-top: 4px;
            display: block;
        }
        .hero-features {
            display: flex;
            justify-content: center;
            gap: 0;
            margin-top: 50px;
            border-top: 1px solid rgba(201, 150, 69, 0.2);
            padding-top: 30px;
            flex-wrap: wrap;
        }
        .hero-feature {
            flex: 1;
            min-width: 180px;
            max-width: 240px;
            padding: 16px 20px;
            text-align: center;
            position: relative;
        }
        .hero-feature + .hero-feature::before {
            content: '';
            position: absolute;
            left: 0;
            top: 20%;
            height: 60%;
            width: 1px;
            background: rgba(201, 150, 69, 0.2);
        }
        .hero-feature i {
            font-size: 22px;
            color: var(--gold);
            margin-bottom: 8px;
        }
        .hero-feature h4 {
            font-size: 15px;
            color: var(--text-main);
            font-weight: 600;
            margin-bottom: 4px;
        }
        .hero-feature p {
            font-size: 13px;
            color: var(--text-dim);
            line-height: 1.6;
        }

        /* ========== 指标看板 ========== */
        .stats-section {
            background: var(--bg-dark);
            padding: 80px 0;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .stat-card {
            background: var(--bg-dark-2);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-lg);
            padding: 36px 28px;
            text-align: center;
            transition: all var(--transition);
            box-shadow: var(--shadow-card);
        }
        .stat-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
            border-color: var(--border-gold-light);
        }
        .stat-num {
            font-family: var(--font-title);
            font-size: 42px;
            font-weight: 900;
            background: linear-gradient(135deg, var(--gold) 0%, var(--gold-dark) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            line-height: 1.1;
            margin-bottom: 6px;
        }
        .stat-num span {
            font-size: 22px;
        }
        .stat-label {
            font-size: 13px;
            color: var(--gold);
            letter-spacing: 2px;
            text-transform: uppercase;
            margin-bottom: 10px;
            font-weight: 600;
        }
        .stat-desc {
            font-size: 14px;
            color: var(--text-dim);
            line-height: 1.6;
        }

        /* ========== 服务矩阵 ========== */
        .services-section {
            background: var(--bg-dark-2);
            padding: 90px 0;
            position: relative;
        }
        .services-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: radial-gradient(ellipse at 80% 20%, rgba(201, 150, 69, 0.05) 0%, transparent 60%);
            pointer-events: none;
        }
        .service-list {
            display: flex;
            flex-direction: column;
            gap: 36px;
        }
        .service-card {
            background: var(--bg-dark-3);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-lg);
            padding: 0;
            overflow: hidden;
            transition: all var(--transition);
            box-shadow: var(--shadow-card);
            position: relative;
        }
        .service-card:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: var(--border-gold-light);
            background: #242019;
        }
        .service-card-inner {
            display: flex;
            align-items: stretch;
            min-height: 240px;
        }
        .service-num {
            flex: 0 0 90px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-family: var(--font-title);
            font-size: 56px;
            font-weight: 900;
            background: linear-gradient(135deg, var(--gold) 0%, var(--gold-dark) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            border-right: 1px solid var(--border-gold);
            opacity: 0.9;
            transition: all var(--transition);
        }
        .service-card:hover .service-num {
            opacity: 1;
            text-shadow: 0 0 30px rgba(201, 150, 69, 0.5);
        }
        .service-content {
            flex: 1;
            padding: 36px 40px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .service-content h3 {
            font-family: var(--font-title);
            font-size: 26px;
            font-weight: 800;
            color: var(--text-main);
            margin-bottom: 12px;
            letter-spacing: -0.01em;
        }
        .service-content p {
            font-size: 15px;
            color: var(--text-dim);
            line-height: 1.8;
            margin-bottom: 18px;
        }
        .service-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            font-weight: 600;
            color: var(--gold);
            transition: all var(--transition);
        }
        .service-link:hover {
            gap: 12px;
            color: var(--gold-light);
        }
        .service-image {
            flex: 0 0 320px;
            position: relative;
            overflow: hidden;
            min-height: 240px;
        }
        .service-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            position: absolute;
            top: 0;
            left: 0;
            transition: transform 0.5s ease;
        }
        .service-card:hover .service-image img {
            transform: scale(1.04);
        }
        .service-image::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, var(--bg-dark-3) 0%, transparent 30%);
        }
        .service-card:nth-child(even) .service-image::after {
            background: linear-gradient(-90deg, var(--bg-dark-3) 0%, transparent 30%);
        }

        /* ========== 结果对比 ========== */
        .compare-section {
            background: var(--bg-dark);
            padding: 90px 0;
        }
        .compare-wrap {
            position: relative;
            display: grid;
            grid-template-columns: 1fr auto 1fr;
            gap: 0;
            align-items: stretch;
        }
        .compare-col {
            background: var(--bg-dark-2);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-lg);
            padding: 40px;
            transition: all var(--transition);
        }
        .compare-col.col-left {
            border-right: none;
            border-top-right-radius: 0;
            border-bottom-right-radius: 0;
            border-color: rgba(180, 90, 56, 0.3);
        }
        .compare-col.col-right {
            border-left: none;
            border-top-left-radius: 0;
            border-bottom-left-radius: 0;
            border-color: var(--border-gold-light);
            background: linear-gradient(135deg, var(--bg-dark-2) 0%, #201A15 100%);
        }
        .compare-badge {
            position: absolute;
            left: 50%;
            top: 50%;
            transform: translate(-50%, -50%);
            z-index: 2;
            background: var(--bg-dark);
            border: 2px solid var(--gold);
            color: var(--gold);
            font-size: 13px;
            font-weight: 700;
            border-radius: 50px;
            padding: 8px 20px;
            white-space: nowrap;
            letter-spacing: 2px;
            box-shadow: 0 0 30px rgba(201, 150, 69, 0.3);
        }
        .compare-col h3 {
            font-family: var(--font-title);
            font-size: 22px;
            font-weight: 800;
            margin-bottom: 24px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .compare-col.col-left h3 {
            color: var(--copper);
        }
        .compare-col.col-right h3 {
            color: var(--gold-light);
        }
        .compare-list {
            margin: 0;
        }
        .compare-list li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            padding: 12px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
            font-size: 15px;
            color: var(--text-dim);
            line-height: 1.6;
        }
        .compare-list li:last-child {
            border-bottom: none;
        }
        .compare-list li i {
            margin-top: 4px;
            font-size: 15px;
        }
        .compare-list li .fa-circle-check {
            color: var(--gold);
        }
        .compare-list li .fa-circle-minus {
            color: var(--copper);
        }

        /* ========== 保障图标条 ========== */
        .assurance-section {
            background: var(--bg-dark-2);
            padding: 60px 0;
            border-top: 1px solid rgba(201, 150, 69, 0.1);
            border-bottom: 1px solid rgba(201, 150, 69, 0.1);
        }
        .assurance-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .assurance-item {
            text-align: center;
            padding: 24px 16px;
            border-radius: var(--radius-lg);
            transition: all var(--transition);
        }
        .assurance-item:hover {
            background: rgba(201, 150, 69, 0.05);
        }
        .assurance-icon {
            width: 64px;
            height: 64px;
            margin: 0 auto 16px;
            border-radius: 50%;
            background: rgba(201, 150, 69, 0.1);
            border: 1px solid var(--border-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            color: var(--gold);
        }
        .assurance-item h4 {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 6px;
        }
        .assurance-item p {
            font-size: 13px;
            color: var(--text-dim);
            line-height: 1.6;
        }

        /* ========== FAQ ========== */
        .faq-section {
            background: var(--bg-dark);
            padding: 90px 0;
        }
        .faq-list {
            max-width: 820px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--bg-dark-2);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-lg);
            margin-bottom: 16px;
            overflow: hidden;
            transition: all var(--transition);
        }
        .faq-item:hover {
            border-color: var(--border-gold-light);
        }
        .faq-item.active {
            border-color: var(--gold);
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
        }
        .faq-question {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 22px 28px;
            cursor: pointer;
            user-select: none;
        }
        .faq-question .faq-num {
            font-family: var(--font-title);
            font-size: 18px;
            font-weight: 800;
            color: var(--gold);
            background: rgba(201, 150, 69, 0.1);
            border: 1px solid var(--border-gold);
            border-radius: 50%;
            width: 36px;
            height: 36px;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }
        .faq-question .faq-text {
            flex: 1;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-main);
        }
        .faq-question .faq-icon {
            color: var(--gold);
            font-size: 18px;
            transition: transform 0.35s ease;
            flex-shrink: 0;
        }
        .faq-item.active .faq-question .faq-icon {
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            padding: 0 28px;
        }
        .faq-item.active .faq-answer {
            max-height: 400px;
            padding: 0 28px 24px;
        }
        .faq-answer p {
            font-size: 15px;
            color: var(--text-dim);
            line-height: 1.8;
            padding-left: 52px;
            border-left: 2px solid var(--border-gold);
        }

        /* ========== 资讯列表 ========== */
        .news-section {
            background: var(--bg-dark-2);
            padding: 90px 0;
        }
        .news-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr;
            gap: 40px;
        }
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 4px;
        }
        .news-item {
            display: flex;
            align-items: baseline;
            gap: 16px;
            padding: 18px 20px;
            border-radius: var(--radius-md);
            transition: all var(--transition);
            border: 1px solid transparent;
        }
        .news-item:hover {
            background: rgba(201, 150, 69, 0.04);
            border-color: var(--border-gold);
            padding-left: 24px;
        }
        .news-item .news-date {
            font-size: 13px;
            color: var(--gold);
            flex-shrink: 0;
            min-width: 80px;
            font-weight: 500;
        }
        .news-item .news-title {
            font-size: 15px;
            color: var(--text-main);
            line-height: 1.6;
            font-weight: 500;
        }
        .news-item:hover .news-title {
            color: var(--gold-light);
        }
        .news-sidebar {
            background: var(--bg-dark-3);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-lg);
            padding: 32px;
        }
        .news-sidebar h4 {
            font-family: var(--font-title);
            font-size: 18px;
            font-weight: 800;
            color: var(--text-main);
            margin-bottom: 20px;
            padding-bottom: 12px;
            border-bottom: 1px solid var(--border-gold);
        }
        .tag-list {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: 30px;
        }
        .tag-list a {
            display: inline-block;
            padding: 5px 16px;
            font-size: 13px;
            color: var(--text-dim);
            background: rgba(201, 150, 69, 0.06);
            border: 1px solid var(--border-gold);
            border-radius: 50px;
            transition: all var(--transition);
        }
        .tag-list a:hover {
            color: var(--gold-light);
            border-color: var(--gold);
            background: rgba(201, 150, 69, 0.12);
        }
        .sidebar-recommend {
            margin: 0;
        }
        .sidebar-recommend li {
            padding: 10px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
        }
        .sidebar-recommend li:last-child {
            border-bottom: none;
        }
        .sidebar-recommend a {
            font-size: 14px;
            color: var(--text-dim);
            line-height: 1.5;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .sidebar-recommend a i {
            color: var(--gold);
            font-size: 12px;
        }
        .sidebar-recommend a:hover {
            color: var(--gold-light);
        }

        /* ========== 转化表单 ========== */
        .contact-section {
            background: var(--bg-dark);
            padding: 90px 0;
            position: relative;
        }
        .contact-card {
            max-width: 860px;
            margin: 0 auto;
            background: linear-gradient(145deg, var(--bg-dark-2) 0%, #201A15 100%);
            border: 1px solid var(--border-gold-light);
            border-radius: 28px;
            padding: 48px;
            box-shadow: var(--shadow-card);
        }
        .contact-card .section-header {
            margin-bottom: 36px;
        }
        .contact-form {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }
        .form-group {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .form-group label {
            font-size: 14px;
            color: var(--text-main);
            font-weight: 500;
        }
        .form-group label .req {
            color: var(--copper);
        }
        .form-group input,
        .form-group select,
        .form-group textarea {
            background: rgba(13, 11, 10, 0.7);
            border: 1px solid rgba(201, 150, 69, 0.2);
            border-radius: var(--radius-md);
            padding: 14px 16px;
            font-size: 15px;
            color: var(--text-main);
            transition: all var(--transition);
            width: 100%;
        }
        .form-group input::placeholder,
        .form-group textarea::placeholder {
            color: rgba(201, 150, 69, 0.4);
        }
        .form-group input:focus,
        .form-group select:focus,
        .form-group textarea:focus {
            border-color: var(--gold);
            box-shadow: 0 0 0 3px rgba(201, 150, 69, 0.15);
            outline: none;
        }
        .form-group select {
            appearance: none;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' fill='%23C99645'%3E%3Cpath d='M1 0l5 6 5-6z'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 16px center;
            cursor: pointer;
        }
        .form-group select option {
            background: var(--bg-dark-2);
            color: var(--text-main);
        }
        .form-group textarea {
            resize: vertical;
            min-height: 100px;
        }
        .form-group.full {
            grid-column: 1 / -1;
        }
        .form-submit {
            grid-column: 1 / -1;
            display: flex;
            justify-content: center;
            margin-top: 12px;
        }
        .form-footer {
            grid-column: 1 / -1;
            text-align: center;
            margin-top: 16px;
            font-size: 14px;
            color: var(--text-dim);
        }
        .form-footer i {
            color: var(--gold);
            margin-right: 4px;
        }
        .form-success {
            grid-column: 1 / -1;
            text-align: center;
            padding: 30px;
            background: rgba(201, 150, 69, 0.1);
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-md);
            color: var(--gold-light);
            font-size: 16px;
            line-height: 1.8;
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: #0A0807;
            border-top: 2px solid var(--gold);
            padding: 56px 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 0.8fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
        }
        .footer-brand .brand-logo {
            margin-bottom: 16px;
        }
        .footer-brand p {
            font-size: 14px;
            color: var(--text-dim);
            line-height: 1.7;
            max-width: 300px;
        }
        .footer-col h4 {
            font-family: var(--font-title);
            font-size: 16px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 18px;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            font-size: 14px;
            color: var(--text-dim);
            transition: all var(--transition);
        }
        .footer-col ul li a:hover {
            color: var(--gold);
            padding-left: 4px;
        }
        .footer-col ul li i {
            margin-right: 6px;
            font-size: 12px;
            color: var(--gold);
        }
        .footer-bottom {
            border-top: 1px solid rgba(201, 150, 69, 0.12);
            padding: 20px 0;
            text-align: center;
            font-size: 13px;
            color: var(--text-dim);
        }
        .footer-bottom a {
            color: var(--text-dim);
        }
        .footer-bottom a:hover {
            color: var(--gold);
        }

        /* ========== 响应式 ========== */
        @media screen and (max-width: 1024px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .assurance-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .service-card-inner {
                flex-direction: column;
            }
            .service-num {
                flex: 0 0 auto;
                width: 100%;
                justify-content: flex-start;
                padding: 16px 24px 0;
                font-size: 40px;
                border-right: none;
                border-bottom: 1px solid var(--border-gold);
            }
            .service-content {
                padding: 28px 32px 24px;
            }
            .service-image {
                flex: 0 0 200px;
                min-height: 200px;
                width: 100%;
            }
            .service-image img {
                position: absolute;
            }
            .compare-wrap {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .compare-col.col-left {
                border-right: 1px solid rgba(180, 90, 56, 0.3);
                border-top-right-radius: var(--radius-lg);
                border-bottom-right-radius: var(--radius-lg);
            }
            .compare-col.col-right {
                border-left: 1px solid var(--border-gold-light);
                border-top-left-radius: var(--radius-lg);
                border-bottom-left-radius: var(--radius-lg);
            }
            .compare-badge {
                top: auto;
                bottom: -20px;
                transform: translateX(-50%);
            }
            .news-grid {
                grid-template-columns: 1fr;
            }
            .contact-form {
                grid-template-columns: 1fr;
            }
            .form-group.full {
                grid-column: 1;
            }
            .form-submit {
                grid-column: 1;
            }
            .form-footer {
                grid-column: 1;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media screen and (max-width: 768px) {
            .header-inner {
                height: 64px;
            }
            .main-nav {
                display: none;
            }
            .search-box {
                display: none;
            }
            .header-actions .btn {
                display: none;
            }
            .hamburger {
                display: flex;
            }
            .mobile-menu {
                top: 64px;
            }
            .hero {
                min-height: 600px;
                padding: 80px 0 60px;
            }
            .hero h1 {
                font-size: 32px;
                line-height: 1.3;
            }
            .hero-desc {
                font-size: 15px;
            }
            .hero-features {
                flex-direction: column;
                align-items: center;
            }
            .hero-feature {
                max-width: 100%;
                width: 100%;
                padding: 12px 20px;
            }
            .hero-feature + .hero-feature::before {
                display: none;
            }
            .hero-feature + .hero-feature {
                border-top: 1px solid rgba(201, 150, 69, 0.15);
            }
            .hero-countdown {
                gap: 8px;
                padding: 12px 16px;
            }
            .section {
                padding: 60px 0;
            }
            .section-header h2 {
                font-size: 28px;
            }
            .stat-card {
                padding: 24px 18px;
            }
            .stat-num {
                font-size: 34px;
            }
            .service-content {
                padding: 24px;
            }
            .service-content h3 {
                font-size: 22px;
            }
            .compare-col {
                padding: 28px 22px;
            }
            .assurance-grid {
                gap: 16px;
            }
            .contact-card {
                padding: 28px 20px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
        }
        @media screen and (max-width: 520px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .stat-card {
                border-radius: 20px;
                padding: 18px 12px;
            }
            .stat-num {
                font-size: 28px;
            }
            .stat-label {
                font-size: 11px;
            }
            .stat-desc {
                font-size: 12px;
            }
            .assurance-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .assurance-icon {
                width: 48px;
                height: 48px;
                font-size: 18px;
            }
            .service-image {
                flex: 0 0 140px;
                min-height: 140px;
            }
            .hero-countdown .cd-block .num {
                font-size: 20px;
                padding: 4px 8px;
            }
            .hero-countdown .label {
                font-size: 12px;
            }
            .news-item {
                flex-direction: column;
                gap: 4px;
                padding: 14px 16px;
            }
            .news-item .news-date {
                min-width: 0;
            }
        }