/* ===== 设计变量 ===== */
        :root {
            --primary-bg: #0A1A2F;
            --primary-bg-light: #0E2A4A;
            --primary-bg-deep: #060D1A;
            --accent: #E5A645;
            --accent-strong: #C8883E;
            --accent-glow: rgba(229, 166, 69, 0.55);
            --text-main: #F0F4FC;
            --text-secondary: #A7B8CC;
            --text-dim: #6F8196;
            --glass-bg: rgba(255, 255, 255, 0.06);
            --glass-border: rgba(255, 255, 255, 0.12);
            --glass-hover: rgba(255, 255, 255, 0.1);
            --radius-lg: 20px;
            --radius-md: 14px;
            --radius-sm: 12px;
            --shadow-lg: 0 18px 40px rgba(0, 0, 0, 0.35);
            --shadow-md: 0 10px 30px rgba(0, 0, 0, 0.25);
            --shadow-accent: 0 0 20px var(--accent-glow);
            --font-main: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Source Han Sans SC", sans-serif;
            --font-num: "Barlow Condensed", "DIN Alternate", sans-serif;
        }

        /* ===== 基础 Reset ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            scroll-padding-top: 70px;
        }
        body {
            font-family: var(--font-main);
            background: var(--primary-bg);
            color: var(--text-main);
            line-height: 1.7;
            overflow-x: hidden;
            font-size: 16px;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: all .3s ease;
        }
        a:hover {
            color: var(--accent);
        }
        img {
            max-width: 100%;
            object-fit: cover;
        }
        button,
        input,
        select,
        textarea {
            font-family: var(--font-main);
        }
        ::selection {
            background: rgba(229, 166, 69, 0.35);
            color: #fff;
        }

        /* ===== 容器 ===== */
        .site-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .main-wrapper {
            margin-left: 240px;
            min-height: 100vh;
        }
        section {
            padding: 80px 0;
            position: relative;
        }
        .section-head {
            margin-bottom: 44px;
        }
        .section-subtitle {
            color: var(--accent);
            font-size: 14px;
            letter-spacing: 2px;
            text-transform: uppercase;
            margin-bottom: 10px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .section-subtitle::before {
            content: "";
            display: inline-block;
            width: 24px;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
        }
        .section-title {
            font-size: 34px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 12px;
        }
        .section-desc {
            font-size: 15px;
            color: var(--text-secondary);
            max-width: 620px;
            line-height: 1.7;
        }

        /* ===== 侧边栏导航 ===== */
        .sidebar {
            position: fixed;
            left: 0;
            top: 0;
            width: 240px;
            height: 100vh;
            background: rgba(7, 20, 38, 0.92);
            backdrop-filter: blur(30px);
            -webkit-backdrop-filter: blur(30px);
            border-right: 1px solid rgba(255, 255, 255, 0.06);
            z-index: 1050;
            display: flex;
            flex-direction: column;
            padding: 30px 20px 24px;
        }
        .brand-logo {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 0 8px 24px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            margin-bottom: 22px;
        }
        .brand-icon {
            width: 40px;
            height: 40px;
            border-radius: 12px;
            background: linear-gradient(135deg, var(--accent), var(--accent-strong));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: #0A1A2F;
            flex-shrink: 0;
            box-shadow: 0 0 16px rgba(229, 166, 69, 0.4);
        }
        .brand-text {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-main);
            line-height: 1.3;
            letter-spacing: 0.5px;
        }
        .sidebar-nav {
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 4px;
        }
        .sidebar-nav .nav-link-side {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 11px 14px;
            border-radius: 12px;
            color: var(--text-secondary);
            font-size: 14.5px;
            font-weight: 500;
            border: 1px solid transparent;
            transition: all .3s ease;
            position: relative;
        }
        .sidebar-nav .nav-link-side i {
            width: 20px;
            text-align: center;
            font-size: 16px;
            color: var(--text-dim);
            transition: all .3s ease;
        }
        .sidebar-nav .nav-link-side:hover {
            background: var(--glass-bg);
            color: var(--text-main);
            border-color: var(--glass-border);
        }
        .sidebar-nav .nav-link-side:hover i {
            color: var(--accent);
        }
        .sidebar-nav .nav-link-side.active {
            background: rgba(229, 166, 69, 0.1);
            color: var(--accent);
            border-color: rgba(229, 166, 69, 0.2);
        }
        .sidebar-nav .nav-link-side.active i {
            color: var(--accent);
        }
        .sidebar-nav .nav-link-side.active::before {
            content: "";
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 4px;
            height: 20px;
            background: var(--accent);
            border-radius: 0 4px 4px 0;
            box-shadow: 0 0 10px var(--accent-glow);
        }
        .sidebar-cta {
            padding-top: 18px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            margin-top: 12px;
        }

        /* ===== 移动端头部 ===== */
        .mobile-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: 60px;
            background: rgba(6, 15, 28, 0.92);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            z-index: 1040;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0 18px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }
        .mobile-header .brand-logo {
            border: none;
            margin: 0;
            padding: 0;
        }
        .mobile-header .brand-text {
            font-size: 15px;
        }
        .burger-btn {
            background: transparent;
            border: 1px solid var(--glass-border);
            border-radius: 10px;
            width: 42px;
            height: 42px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-main);
            font-size: 18px;
        }
        .burger-btn:hover {
            background: var(--glass-bg);
            border-color: var(--accent);
            color: var(--accent);
        }

        /* Offcanvas 抽屉 */
        .offcanvas {
            background: rgba(6, 15, 28, 0.97) !important;
            border-right: 1px solid rgba(255, 255, 255, 0.08) !important;
            backdrop-filter: blur(30px);
        }
        .offcanvas .brand-logo {
            padding: 20px 20px 24px;
            margin-bottom: 20px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }
        .offcanvas .sidebar-nav {
            padding: 0 20px;
        }
        .offcanvas .sidebar-cta {
            padding: 18px 20px 20px;
        }

        /* ===== 按钮 ===== */
        .btn-accent {
            background: linear-gradient(135deg, var(--accent) 0%, var(--accent-strong) 100%);
            color: #0A1A2F !important;
            border: none;
            font-weight: 700;
            font-size: 15px;
            padding: 12px 28px;
            border-radius: var(--radius-sm);
            box-shadow: 0 0 20px rgba(229, 166, 69, 0.35), 0 4px 15px rgba(0, 0, 0, 0.2);
            transition: all .3s ease;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            cursor: pointer;
        }
        .btn-accent:hover {
            transform: translateY(-2px);
            box-shadow: 0 0 30px rgba(229, 166, 69, 0.55), 0 6px 20px rgba(0, 0, 0, 0.25);
            color: #0A1A2F !important;
        }
        .btn-accent:active {
            transform: translateY(0);
            opacity: 0.9;
            box-shadow: 0 0 12px rgba(229, 166, 69, 0.3);
        }
        .btn-accent:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 3px;
        }
        .btn-glass {
            background: rgba(255, 255, 255, 0.06);
            color: var(--text-main) !important;
            border: 1px solid rgba(255, 255, 255, 0.2);
            font-weight: 600;
            font-size: 15px;
            padding: 12px 28px;
            border-radius: var(--radius-sm);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            transition: all .3s ease;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn-glass:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: var(--accent);
            color: var(--accent) !important;
            transform: translateY(-2px);
        }
        .btn-glass:active {
            transform: translateY(0);
        }
        .btn-glass:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 3px;
        }
        .btn[disabled] {
            opacity: 0.5;
            cursor: not-allowed;
        }

        /* ===== Hero ===== */
        .hero {
            min-height: 100vh;
            background: linear-gradient(135deg, rgba(6, 13, 26, 0.85) 0%, rgba(14, 42, 74, 0.75) 60%, rgba(6, 13, 26, 0.85) 100%),
                url('/assets/images/backpic/back-1.jpg') center center/cover no-repeat;
            display: flex;
            align-items: center;
            padding: 140px 0 100px;
            position: relative;
            overflow: hidden;
        }
        .hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background:
                radial-gradient(ellipse at 20% 30%, rgba(229, 166, 69, 0.18) 0%, transparent 50%),
                radial-gradient(ellipse at 80% 70%, rgba(229, 166, 69, 0.08) 0%, transparent 50%),
                repeating-linear-gradient(transparent 0px, transparent 3px, rgba(255, 255, 255, 0.015) 3px, rgba(255, 255, 255, 0.015) 4px);
            pointer-events: none;
        }
        .hero::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 120px;
            background: linear-gradient(to top, var(--primary-bg), transparent);
            pointer-events: none;
        }
        .hero .container {
            position: relative;
            z-index: 2;
        }
        .hero-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(229, 166, 69, 0.12);
            border: 1px solid rgba(229, 166, 69, 0.3);
            border-radius: 50px;
            padding: 6px 16px;
            font-size: 13px;
            color: var(--accent);
            font-weight: 600;
            letter-spacing: 1px;
            margin-bottom: 22px;
        }
        .hero-label i {
            font-size: 14px;
        }
        .hero h1 {
            font-size: 44px;
            font-weight: 700;
            line-height: 1.25;
            color: var(--text-main);
            margin-bottom: 18px;
            letter-spacing: 0.5px;
        }
        .hero h1 .accent-text {
            color: var(--accent);
        }
        .hero-desc {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.8;
            max-width: 560px;
            margin-bottom: 32px;
        }
        .hero-btns {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 36px;
        }
        .hero-badges {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: 8px;
            padding: 6px 14px;
            font-size: 13px;
            color: var(--text-secondary);
            backdrop-filter: blur(8px);
        }
        .hero-badge i {
            color: var(--accent);
            font-size: 14px;
        }
        /* Hero 右侧 Bento 卡片 */
        .hero-bento {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .hero-card-lg {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--glass-border);
            box-shadow: var(--shadow-lg);
            height: 340px;
            transform: rotate(1deg);
            transition: all .4s ease;
        }
        .hero-card-lg:hover {
            transform: rotate(0deg) scale(1.02);
            box-shadow: 0 24px 50px rgba(0, 0, 0, 0.45), 0 0 30px rgba(229, 166, 69, 0.15);
        }
        .hero-card-lg img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .hero-card-lg .card-overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: 24px;
            background: linear-gradient(to top, rgba(6, 13, 26, 0.9) 0%, transparent 100%);
        }
        .hero-card-lg .card-tag {
            display: inline-block;
            background: var(--accent);
            color: #0A1A2F;
            font-size: 12px;
            font-weight: 700;
            padding: 4px 12px;
            border-radius: 6px;
            margin-bottom: 8px;
            letter-spacing: 0.5px;
        }
        .hero-card-lg .card-title {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-main);
        }
        .hero-card-sm {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
        }
        .hero-card-sm .sm-card {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-md);
            padding: 20px;
            backdrop-filter: blur(12px);
            transition: all .3s ease;
        }
        .hero-card-sm .sm-card:hover {
            background: rgba(255, 255, 255, 0.08);
            border-color: rgba(229, 166, 69, 0.4);
            transform: translateY(-3px);
        }
        .sm-card .num {
            font-family: var(--font-num);
            font-size: 30px;
            font-weight: 700;
            color: var(--accent);
            line-height: 1.2;
        }
        .sm-card .label {
            font-size: 13px;
            color: var(--text-secondary);
            margin-top: 4px;
        }

        /* ===== 指标看板 ===== */
        #stats {
            background: var(--primary-bg-deep);
            padding: 70px 0;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .stat-card {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-md);
            padding: 30px 24px;
            text-align: center;
            position: relative;
            overflow: hidden;
            transition: all .3s ease;
            backdrop-filter: blur(12px);
        }
        .stat-card::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 2px;
            background: linear-gradient(90deg, transparent, var(--accent), transparent);
            opacity: 0.6;
        }
        .stat-card::after {
            content: "";
            position: absolute;
            bottom: -20px;
            right: -20px;
            width: 80px;
            height: 80px;
            background: radial-gradient(circle, rgba(229, 166, 69, 0.1), transparent 70%);
            border-radius: 50%;
        }
        .stat-card:hover {
            transform: translateY(-4px);
            border-color: rgba(229, 166, 69, 0.3);
            box-shadow: 0 12px 30px rgba(0, 0, 0, 0.3);
        }
        .stat-card .stat-num {
            font-family: var(--font-num);
            font-size: 46px;
            font-weight: 700;
            color: var(--accent);
            line-height: 1.1;
            margin-bottom: 8px;
            letter-spacing: 1px;
        }
        .stat-card .stat-icon {
            font-size: 20px;
            color: var(--text-dim);
            margin-bottom: 10px;
        }
        .stat-card .stat-label {
            font-size: 14px;
            color: var(--text-secondary);
            font-weight: 500;
        }

        /* ===== 服务矩阵 ===== */
        #services {
            background: var(--primary-bg);
        }
        .services-grid {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: 20px;
            margin-bottom: 20px;
        }
        .service-card {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--glass-border);
            background: rgba(255, 255, 255, 0.04);
            backdrop-filter: blur(14px);
            transition: all .4s ease;
        }
        .service-card:hover {
            transform: translateY(-6px);
            border-color: rgba(229, 166, 69, 0.4);
            box-shadow: var(--shadow-lg), 0 0 24px rgba(229, 166, 69, 0.1);
        }
        .service-card-xl {
            min-height: 380px;
        }
        .service-card-xl .service-bg {
            position: absolute;
            inset: 0;
            background-size: cover;
            background-position: center;
        }
        .service-card-xl .service-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(6, 13, 26, 0.9) 0%, rgba(6, 13, 26, 0.3) 100%);
            display: flex;
            align-items: flex-end;
            padding: 32px;
        }
        .service-card .card-index {
            position: absolute;
            top: 18px;
            right: 18px;
            font-family: var(--font-num);
            font-size: 48px;
            font-weight: 700;
            color: rgba(255, 255, 255, 0.12);
            line-height: 1;
            z-index: 2;
        }
        .service-card .card-badge {
            display: inline-block;
            background: rgba(229, 166, 69, 0.15);
            border: 1px solid rgba(229, 166, 69, 0.35);
            color: var(--accent);
            font-size: 12px;
            font-weight: 600;
            padding: 3px 10px;
            border-radius: 6px;
            margin-bottom: 10px;
            letter-spacing: 1px;
        }
        .service-card h3 {
            font-size: 22px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 8px;
        }
        .service-card p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.65;
            margin-bottom: 12px;
            max-width: 90%;
        }
        .service-card .card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--accent);
            font-size: 14px;
            font-weight: 600;
        }
        .service-card .card-link:hover {
            gap: 10px;
            color: #f0c06a;
        }
        .service-card-sm {
            padding: 28px;
            min-height: 180px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .service-card-sm .icon-wrap {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: rgba(229, 166, 69, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: var(--accent);
            margin-bottom: 14px;
            border: 1px solid rgba(229, 166, 69, 0.2);
        }
        .service-card-sm h3 {
            font-size: 18px;
        }
        .service-card-sm p {
            max-width: 100%;
        }
        .services-bottom {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }

        /* ===== 结果对比 ===== */
        #results {
            background: var(--primary-bg-deep);
            position: relative;
        }
        .compare-wrapper {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 0;
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
        }
        .compare-col {
            padding: 36px;
            backdrop-filter: blur(14px);
        }
        .compare-col-bad {
            background: rgba(255, 255, 255, 0.03);
            border-right: 1px solid rgba(255, 255, 255, 0.06);
        }
        .compare-col-good {
            background: rgba(229, 166, 69, 0.05);
            border: 1px solid rgba(229, 166, 69, 0.25);
            box-shadow: 0 0 30px rgba(229, 166, 69, 0.08);
        }
        .compare-vs {
            position: absolute;
            left: 50%;
            top: 50%;
            transform: translate(-50%, -50%);
            width: 48px;
            height: 48px;
            background: var(--accent);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            font-weight: 800;
            color: #0A1A2F;
            z-index: 3;
            box-shadow: 0 0 20px var(--accent-glow);
            letter-spacing: 0.5px;
        }
        .compare-head {
            text-align: center;
            margin-bottom: 28px;
        }
        .compare-head h3 {
            font-size: 20px;
            font-weight: 700;
        }
        .compare-head .sub-label {
            font-size: 13px;
            color: var(--text-dim);
            margin-top: 4px;
        }
        .compare-col-good .compare-head h3 {
            color: var(--accent);
        }
        .compare-row {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 16px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }
        .compare-row:last-child {
            border-bottom: none;
        }
        .compare-item-left {
            font-size: 14px;
            color: var(--text-dim);
        }
        .compare-item-right {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-main);
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .compare-col-good .compare-item-right {
            color: var(--accent);
        }
        .compare-item-right i {
            font-size: 14px;
        }

        /* ===== 到店流程 ===== */
        #process {
            background: url('/assets/images/backpic/back-2.jpg') center center/cover no-repeat;
            position: relative;
        }
        #process::before {
            content: "";
            position: absolute;
            inset: 0;
            background: rgba(6, 13, 26, 0.88);
            backdrop-filter: blur(4px);
        }
        #process .container {
            position: relative;
            z-index: 2;
        }
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .step-card {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            backdrop-filter: blur(14px);
            transition: all .3s ease;
            position: relative;
        }
        .step-card:hover {
            transform: translateY(-6px);
            border-color: rgba(229, 166, 69, 0.35);
            box-shadow: var(--shadow-lg);
        }
        .step-num {
            font-family: var(--font-num);
            font-size: 40px;
            font-weight: 700;
            color: rgba(229, 166, 69, 0.3);
            margin-bottom: 14px;
            line-height: 1;
        }
        .step-card .icon-wrap {
            width: 46px;
            height: 46px;
            border-radius: 14px;
            background: linear-gradient(135deg, rgba(229, 166, 69, 0.2), rgba(229, 166, 69, 0.08));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: var(--accent);
            margin-bottom: 16px;
            border: 1px solid rgba(229, 166, 69, 0.2);
        }
        .step-card h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text-main);
        }
        .step-card p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.65;
        }

        /* ===== FAQ ===== */
        #faq {
            background: var(--primary-bg);
        }
        .faq-wrap {
            max-width: 820px;
            margin: 0 auto;
        }
        .accordion {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .accordion-item {
            background: rgba(255, 255, 255, 0.04) !important;
            border: 1px solid var(--glass-border) !important;
            border-radius: var(--radius-md) !important;
            overflow: hidden;
            transition: all .3s ease;
            position: relative;
        }
        .accordion-item::before {
            content: "";
            position: absolute;
            left: 0;
            top: 0;
            bottom: 0;
            width: 3px;
            background: var(--accent);
            opacity: 0;
            transition: all .3s ease;
        }
        .accordion-item:hover {
            background: rgba(255, 255, 255, 0.06) !important;
            border-color: rgba(229, 166, 69, 0.3) !important;
        }
        .accordion-item:has(.accordion-button:not(.collapsed)) {
            border-color: rgba(229, 166, 69, 0.4) !important;
        }
        .accordion-item:has(.accordion-button:not(.collapsed))::before {
            opacity: 1;
        }
        .accordion-button {
            background: transparent !important;
            color: var(--text-main) !important;
            font-size: 16px;
            font-weight: 600;
            padding: 20px 24px;
            box-shadow: none !important;
            border: none !important;
        }
        .accordion-button::after {
            background-image: none;
            content: "\f078";
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
            color: var(--accent);
            display: flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            background-color: rgba(229, 166, 69, 0.1);
            border-radius: 8px;
            transition: all .3s ease;
        }
        .accordion-button:not(.collapsed)::after {
            transform: rotate(180deg);
            background-color: var(--accent);
            color: #0A1A2F;
        }
        .accordion-button:focus {
            box-shadow: none !important;
        }
        .accordion-body {
            padding: 0 24px 20px;
            color: var(--text-secondary);
            font-size: 14.5px;
            line-height: 1.75;
            background: transparent !important;
        }

        /* ===== 转化表单 ===== */
        #booking {
            background: linear-gradient(135deg, rgba(6, 13, 26, 0.9) 0%, rgba(14, 42, 74, 0.85) 100%),
                url('/assets/images/backpic/back-3.jpg') center center/cover no-repeat;
            position: relative;
        }
        .booking-card {
            max-width: 680px;
            margin: 0 auto;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--glass-border);
            border-radius: 24px;
            padding: 44px 44px 36px;
            backdrop-filter: blur(24px);
            -webkit-backdrop-filter: blur(24px);
            box-shadow: var(--shadow-lg);
        }
        .booking-card .form-title {
            font-size: 28px;
            font-weight: 700;
            text-align: center;
            margin-bottom: 6px;
        }
        .booking-card .form-subtitle {
            text-align: center;
            color: var(--text-secondary);
            font-size: 14px;
            margin-bottom: 32px;
        }
        .form-label {
            color: var(--text-secondary);
            font-size: 14px;
            font-weight: 500;
            margin-bottom: 6px;
        }
        .form-control,
        .form-select {
            background: rgba(10, 20, 38, 0.7) !important;
            border: 1px solid rgba(255, 255, 255, 0.1) !important;
            border-radius: var(--radius-sm) !important;
            color: var(--text-main) !important;
            padding: 12px 16px;
            font-size: 14px;
            transition: all .3s ease;
        }
        .form-control::placeholder {
            color: var(--text-dim) !important;
        }
        .form-control:focus,
        .form-select:focus {
            background: rgba(10, 20, 38, 0.85) !important;
            border-color: var(--accent) !important;
            box-shadow: 0 0 0 3px rgba(229, 166, 69, 0.15) !important;
            outline: none;
        }
        .form-select option {
            background: #0E2A4A;
            color: var(--text-main);
        }
        textarea.form-control {
            resize: vertical;
            min-height: 80px;
        }
        .form-note {
            text-align: center;
            font-size: 13px;
            color: var(--text-dim);
            margin-top: 14px;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--primary-bg-deep);
            padding: 60px 0 28px;
            border-top: 1px solid rgba(255, 255, 255, 0.04);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand .brand-logo {
            border: none;
            margin-bottom: 12px;
            padding: 0;
        }
        .footer-brand p {
            font-size: 14px;
            color: var(--text-secondary);
            max-width: 320px;
            line-height: 1.7;
        }
        .footer-title {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 16px;
        }
        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-links a {
            font-size: 14px;
            color: var(--text-secondary);
            transition: all .3s ease;
        }
        .footer-links a:hover {
            color: var(--accent);
            padding-left: 4px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            padding-top: 24px;
            text-align: center;
            font-size: 13px;
            color: var(--text-dim);
        }
        .footer-bottom a {
            color: var(--text-dim);
        }
        .footer-bottom a:hover {
            color: var(--accent);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1199.98px) {
            .hero h1 {
                font-size: 36px;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 991.98px) {
            .sidebar {
                display: none;
            }
            .main-wrapper {
                margin-left: 0;
            }
            .mobile-header {
                display: flex;
            }
            .mobile-header+.main-wrapper {
                padding-top: 60px;
            }
            section {
                padding: 60px 0;
            }
            .services-grid {
                grid-template-columns: 1fr;
            }
            .services-bottom {
                grid-template-columns: 1fr 1fr;
            }
            .compare-wrapper {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .compare-col-bad {
                border-right: none;
                border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            }
            .compare-vs {
                display: none;
            }
            .steps-grid {
                grid-template-columns: 1fr;
            }
            .hero {
                padding: 120px 0 80px;
            }
            .hero-card-lg {
                height: 280px;
            }
        }
        @media (max-width: 767.98px) {
            .hero h1 {
                font-size: 30px;
            }
            .hero-desc {
                font-size: 15px;
            }
            .hero-btns {
                flex-direction: column;
            }
            .hero-btns .btn {
                width: 100%;
                justify-content: center;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .stat-card {
                padding: 20px 16px;
            }
            .stat-card .stat-num {
                font-size: 30px;
            }
            .services-bottom {
                grid-template-columns: 1fr;
            }
            .section-title {
                font-size: 26px;
            }
            .booking-card {
                padding: 32px 20px 28px;
                border-radius: 16px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .hero-card-sm {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .sm-card .num {
                font-size: 24px;
            }
            .hero-badges {
                gap: 8px;
            }
            .hero-badge {
                font-size: 12px;
                padding: 5px 10px;
            }
            .service-card-xl {
                min-height: 300px;
            }
            .service-card-xl .service-overlay {
                padding: 22px;
            }
        }
        @media (max-width: 520px) {
            .hero h1 {
                font-size: 26px;
            }
            .hero-card-sm {
                grid-template-columns: 1fr;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .stat-card .stat-num {
                font-size: 26px;
            }
            .stat-card .stat-label {
                font-size: 13px;
            }
            .compare-col {
                padding: 24px 18px;
            }
            .compare-row {
                padding: 13px 0;
            }
            .compare-item-left {
                font-size: 13px;
            }
            .compare-item-right {
                font-size: 13px;
            }
            .accordion-button {
                font-size: 15px;
                padding: 16px 18px;
            }
            .accordion-body {
                padding: 0 18px 16px;
                font-size: 14px;
            }
            .section-title {
                font-size: 24px;
            }
        }

/* ============ 设计变量 ============ */
:root {
    --bg-deep: #061224;
    --bg-body: #0B1730;
    --bg-panel: rgba(15, 28, 52, 0.72);
    --glass-bg: rgba(255,255,255,0.06);
    --glass-border: rgba(255,255,255,0.10);
    --primary: #2389F5;
    --accent: #33E0FF;
    --gold: #C9B27A;
    --text-main: #EEF3FC;
    --text-sub: #A6B6D4;
    --text-dim: #6E7FA0;
    --success: #35D9A2;
    --danger: #F37A7A;
    --sidebar-w: 260px;
    --sidebar-w-sm: 88px;
    --header-h: 64px;
    --radius-card: 16px;
    --radius-btn: 10px;
    --shadow-card: 0 8px 32px rgba(0,0,0,0.35);
    --shadow-hover: 0 12px 40px rgba(0,0,0,0.5);
    --transition: all 0.3s ease;
    --font-main: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, sans-serif;
}

/* ============ 基础 Reset ============ */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    font-family: var(--font-main);
    font-size: 1rem;
    line-height: 1.7;
    background: var(--bg-deep);
    color: var(--text-main);
    -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; transition: var(--transition); }
a:hover { color: var(--accent); }
img { max-width: 100%; height: auto; display: block; }
input, select, textarea, button { font-family: inherit; font-size: inherit; }
ul, ol { padding: 0; margin: 0; list-style: none; }
p { margin: 0 0 16px; }
h1, h2, h3, h4, h5, h6 { margin: 0 0 12px; font-weight: 700; line-height: 1.25; }
::selection { background: rgba(51,224,255,0.25); }

/* ============ 布局框架 ============ */
.app-sidebar {
    position: fixed;
    top: 0; left: 0;
    width: var(--sidebar-w);
    height: 100vh;
    background: rgba(6, 18, 36, 0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-right: 1px solid rgba(255,255,255,0.06);
    z-index: 1040;
    display: flex;
    flex-direction: column;
    transition: width 0.3s ease, transform 0.3s ease;
    overflow: hidden;
}
.main-wrapper {
    margin-left: var(--sidebar-w);
    min-height: 100vh;
    background: var(--bg-body);
    display: flex;
    flex-direction: column;
    transition: margin-left 0.3s ease;
}

/* ============ 侧栏品牌区 ============ */
.sidebar-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 24px 20px 16px;
    border-bottom: 1px solid rgba(255,255,255,0.06);
}
.brand-icon {
    flex: 0 0 42px;
    width: 42px; height: 42px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(201,178,122,0.6);
    border-radius: 10px;
    color: var(--gold);
    background: rgba(201,178,122,0.08);
    font-size: 1.1rem;
}
.sidebar-brand-text {
    display: flex;
    flex-direction: column;
    line-height: 1.3;
    min-width: 0;
}
.brand-name {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-main);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.brand-sub {
    font-size: 0.68rem;
    color: var(--text-dim);
    letter-spacing: 0.04em;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* ============ 侧栏导航 ============ */
.sidebar-nav {
    flex: 1;
    padding: 16px 12px;
    display: flex;
    flex-direction: column;
    gap: 4px;
    overflow-y: auto;
}
.sidebar-nav .nav-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 14px;
    border-radius: 10px;
    color: var(--text-sub);
    font-size: 0.95rem;
    font-weight: 500;
    border-left: 3px solid transparent;
    background: transparent;
    transition: var(--transition);
    white-space: nowrap;
}
.sidebar-nav .nav-link i {
    width: 20px;
    text-align: center;
    font-size: 1.05rem;
    color: var(--text-dim);
    transition: var(--transition);
    flex-shrink: 0;
}
.sidebar-nav .nav-link:hover {
    color: var(--text-main);
    background: rgba(255,255,255,0.04);
    border-left-color: var(--accent);
}
.sidebar-nav .nav-link:hover i { color: var(--accent); }
.sidebar-nav .nav-link.active {
    color: var(--text-main);
    background: rgba(51,224,255,0.08);
    border-left-color: var(--accent);
}
.sidebar-nav .nav-link.active i { color: var(--accent); text-shadow: 0 0 8px rgba(51,224,255,0.4); }

/* ============ 侧栏底部 ============ */
.sidebar-footer {
    padding: 16px 16px 24px;
    border-top: 1px solid rgba(255,255,255,0.06);
}
.sidebar-footer .btn {
    width: 100%;
    margin-bottom: 12px;
}
.sidebar-contact {
    font-size: 0.75rem;
    color: var(--text-dim);
    text-align: center;
    line-height: 1.6;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* ============ 移动端顶栏 ============ */
.mobile-header {
    display: none;
    position: fixed;
    top: 0; left: 0; right: 0;
    height: var(--header-h);
    background: rgba(6,18,36,0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255,255,255,0.06);
    z-index: 1030;
    padding: 0 16px;
    align-items: center;
    justify-content: space-between;
}
.mobile-header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
}
.brand-mobile {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-main);
}
.brand-mobile .brand-icon {
    width: 34px; height: 34px;
    font-size: 0.9rem;
    border-radius: 8px;
}
.brand-mobile .brand-name {
    font-size: 0.95rem;
    font-weight: 700;
}
.btn-menu-mobile {
    width: 40px; height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 10px;
    color: var(--text-main);
    font-size: 1.1rem;
    cursor: pointer;
    transition: var(--transition);
}
.btn-menu-mobile:hover {
    background: rgba(51,224,255,0.1);
    border-color: var(--accent);
    color: var(--accent);
}

/* ============ 移动端抽屉 ============ */
.glass-offcanvas {
    background: rgba(6,18,36,0.96) !important;
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border-right: 1px solid rgba(255,255,255,0.08);
    color: var(--text-main);
    width: 300px !important;
}
.glass-offcanvas .offcanvas-header {
    border-bottom: 1px solid rgba(255,255,255,0.06);
    padding: 20px 20px 16px;
}
.glass-offcanvas .offcanvas-header .btn-close {
    background: transparent;
    filter: invert(1) grayscale(100%) brightness(200%);
    opacity: 0.6;
}
.glass-offcanvas .offcanvas-body {
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.glass-offcanvas .nav-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 14px;
    border-radius: 10px;
    color: var(--text-sub);
    font-size: 0.95rem;
    border-left: 3px solid transparent;
    transition: var(--transition);
}
.glass-offcanvas .nav-link i { width: 20px; text-align: center; color: var(--text-dim); }
.glass-offcanvas .nav-link:hover {
    color: var(--text-main);
    background: rgba(51,224,255,0.08);
    border-left-color: var(--accent);
}
.glass-offcanvas .nav-link.active {
    color: var(--text-main);
    background: rgba(51,224,255,0.08);
    border-left-color: var(--accent);
}
.glass-offcanvas .nav-link.active i { color: var(--accent); }
.glass-offcanvas .offcanvas-cta {
    margin-top: auto;
    padding-top: 20px;
    border-top: 1px solid rgba(255,255,255,0.06);
}

/* ============ 容器 ============ */
.container-custom {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ============ 通用组件 ============ */
.glass-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-card);
    backdrop-filter: blur(16px) saturate(140%);
    -webkit-backdrop-filter: blur(16px) saturate(140%);
    box-shadow: var(--shadow-card);
    transition: var(--transition);
}
.glass-card:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-4px);
}

.badge-gold {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    height: 24px;
    padding: 0 12px;
    border-radius: 999px;
    font-size: 0.72rem;
    font-weight: 600;
    color: var(--gold);
    background: rgba(201,178,122,0.12);
    border: 1px solid rgba(201,178,122,0.4);
    letter-spacing: 0.03em;
    white-space: nowrap;
}
.badge-glass {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    height: 24px;
    padding: 0 12px;
    border-radius: 999px;
    font-size: 0.72rem;
    font-weight: 500;
    color: var(--text-main);
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.12);
    white-space: nowrap;
}
.badge-success {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    height: 24px;
    padding: 0 12px;
    border-radius: 999px;
    font-size: 0.72rem;
    font-weight: 500;
    color: #fff;
    background: rgba(53,217,162,0.18);
    border: 1px solid rgba(53,217,162,0.4);
    white-space: nowrap;
}
.badge-success::before {
    content: '';
    width: 6px; height: 6px;
    border-radius: 50%;
    background: var(--success);
    box-shadow: 0 0 6px rgba(53,217,162,0.7);
}

/* ============ 按钮 ============ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    height: 46px;
    padding: 0 28px;
    border-radius: var(--radius-btn);
    font-size: 0.95rem;
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    white-space: nowrap;
}
.btn:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 3px;
}
.btn-glow {
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: #fff;
    box-shadow: 0 0 24px rgba(51,224,255,0.35), 0 8px 24px rgba(5,15,35,0.6);
}
.btn-glow:hover {
    box-shadow: 0 0 36px rgba(51,224,255,0.55), 0 12px 28px rgba(5,15,35,0.65);
    color: #fff;
    transform: translateY(-2px);
}
.btn-glass {
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.14);
    color: var(--text-main);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}
.btn-glass:hover {
    border-color: var(--accent);
    color: var(--accent);
    background: rgba(51,224,255,0.08);
    transform: translateY(-2px);
}
.btn-sm {
    height: 38px;
    padding: 0 20px;
    font-size: 0.85rem;
}
.btn-block {
    width: 100%;
}
.btn.disabled, .btn:disabled {
    opacity: 0.5;
    pointer-events: none;
    box-shadow: none;
}

/* ============ 区块标题 ============ */
.section-head {
    margin-bottom: 40px;
}
.section-head .section-num {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    color: var(--gold);
    font-variant-numeric: tabular-nums;
    margin-bottom: 8px;
}
.section-head h2 {
    font-size: clamp(1.6rem, 3vw, 2.4rem);
    color: var(--text-main);
    margin-bottom: 12px;
    font-weight: 700;
}
.section-head p {
    color: var(--text-sub);
    font-size: 0.95rem;
    max-width: 680px;
    margin: 0;
}
.section-head.centered {
    text-align: center;
}
.section-head.centered p {
    margin-left: auto;
    margin-right: auto;
}

/* ============ Hero ============ */
#hero {
    position: relative;
    padding: 80px 0 60px;
    background: linear-gradient(180deg, rgba(6,18,36,0.88) 0%, var(--bg-body) 100%),
                url('/assets/images/backpic/back-1.jpg') center/cover no-repeat;
    overflow: hidden;
}
#hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: linear-gradient(rgba(255,255,255,0.035) 1px, transparent 1px),
                      linear-gradient(90deg, rgba(255,255,255,0.035) 1px, transparent 1px);
    background-size: 40px 40px;
    pointer-events: none;
}
#hero .container-custom { position: relative; z-index: 2; }

.hero-bento {
    display: grid;
    grid-template-columns: 7fr 5fr;
    grid-template-areas:
        "main tai"
        "main room"
        "cta cta";
    gap: 24px;
}
.hero-main {
    grid-area: main;
    padding: 48px 40px;
    border-radius: var(--radius-card);
    background: rgba(10, 25, 48, 0.65);
    border: 1px solid rgba(255,255,255,0.08);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: var(--shadow-card);
    display: flex;
    flex-direction: column;
    justify-content: center;
    min-height: 480px;
}
.hero-main .badge-gold { margin-bottom: 20px; }
.hero-main h1 {
    font-size: clamp(2.2rem, 4.8vw, 3.6rem);
    font-weight: 800;
    line-height: 1.2;
    color: var(--text-main);
    margin-bottom: 20px;
    letter-spacing: 0.01em;
}
.hero-main h1 .divider {
    color: var(--accent);
    font-weight: 300;
    margin: 0 4px;
}
.hero-subtitle {
    font-size: 1rem;
    line-height: 1.8;
    color: var(--text-sub);
    max-width: 520px;
    margin-bottom: 28px;
}
.hero-ctas {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    margin-bottom: 24px;
}
.hero-trust {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}
.hero-trust .badge-glass { font-size: 0.75rem; }

/* Hero 右侧卡片 */
.hero-card-tai {
    grid-area: tai;
    position: relative;
    min-height: 200px;
    border-radius: var(--radius-card);
    overflow: hidden;
    background: var(--bg-panel);
    border: 1px solid var(--glass-border);
}
.hero-card-tai img,
.hero-card-room img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    position: absolute;
    inset: 0;
}
.hero-card-inner {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(5,15,35,0.05) 40%, rgba(5,15,35,0.85) 100%);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 20px;
    z-index: 2;
}
.hero-card-inner .badge-gold { align-self: flex-start; margin-bottom: 10px; }
.hero-card-inner p {
    color: var(--text-main);
    font-size: 0.85rem;
    font-weight: 500;
    margin: 0;
    line-height: 1.5;
}
.hero-card-room {
    grid-area: room;
    position: relative;
    min-height: 200px;
    border-radius: var(--radius-card);
    overflow: hidden;
    background: var(--bg-panel);
    border: 1px solid var(--glass-border);
}

/* Hero CTA 条 */
.hero-cta-bar {
    grid-area: cta;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 18px 28px;
    border-radius: var(--radius-card);
    background: rgba(51,224,255,0.05);
    border: 1px solid rgba(51,224,255,0.2);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}
.hero-cta-bar .cta-text {
    font-size: 0.9rem;
    color: var(--text-main);
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 10px;
}
.hero-cta-bar .cta-text::before {
    content: '';
    width: 8px; height: 8px;
    border-radius: 50%;
    background: var(--success);
    box-shadow: 0 0 8px rgba(53,217,162,0.7);
    animation: pulse 2s infinite;
}
@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}
.hero-cta-bar .btn { height: 40px; padding: 0 22px; font-size: 0.85rem; }

/* ============ Metrics ============ */
#metrics {
    padding: 80px 0;
    background: var(--bg-body);
}
.metrics-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}
.metric-card {
    position: relative;
    padding: 32px 24px;
    border-radius: var(--radius-card);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    overflow: hidden;
    transition: var(--transition);
}
.metric-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0;
    width: 32px; height: 1px;
    background: linear-gradient(90deg, var(--gold), transparent);
}
.metric-card::after {
    content: '';
    position: absolute;
    top: 0; left: 0;
    width: 1px; height: 32px;
    background: linear-gradient(180deg, var(--gold), transparent);
}
.metric-card:hover {
    border-color: rgba(51,224,255,0.4);
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
}
.metric-dot {
    display: inline-block;
    width: 8px; height: 8px;
    border-radius: 50%;
    background: var(--accent);
    box-shadow: 0 0 8px rgba(51,224,255,0.6);
    margin-bottom: 14px;
}
.metric-dot.green { background: var(--success); box-shadow: 0 0 8px rgba(53,217,162,0.6); }
.metric-label {
    display: block;
    font-size: 0.75rem;
    color: var(--text-sub);
    font-weight: 500;
    letter-spacing: 0.04em;
    margin-bottom: 8px;
}
.metric-value {
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--text-main);
    font-variant-numeric: tabular-nums;
    line-height: 1.2;
    margin-bottom: 8px;
}
.metric-value span {
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-dim);
    margin-left: 2px;
}
.metric-desc {
    font-size: 0.75rem;
    color: var(--text-dim);
    line-height: 1.5;
    display: block;
}

/* ============ Services ============ */
#services {
    padding: 80px 0;
    background: linear-gradient(180deg, var(--bg-body) 0%, rgba(6,18,36,0.4) 100%);
    border-top: 1px solid rgba(255,255,255,0.03);
}
.services-grid {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    grid-template-rows: 280px 320px;
    gap: 24px;
}
.svc-card {
    border-radius: var(--radius-card);
    overflow: hidden;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    position: relative;
    display: flex;
    flex-direction: column;
    padding: 24px;
    transition: var(--transition);
}
.svc-card:hover {
    border-color: rgba(51,224,255,0.35);
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
}
.svc-card-large {
    grid-column: span 7;
    grid-row: 1;
    flex-direction: row;
    gap: 20px;
    padding: 0;
    overflow: hidden;
}
.svc-card-large .svc-img {
    width: 45%;
    height: 100%;
    flex-shrink: 0;
}
.svc-card-large .svc-img img {
    width: 100%; height: 100%;
    object-fit: cover;
}
.svc-card-large .svc-content {
    padding: 24px 24px 24px 0;
    display: flex;
    flex-direction: column;
    justify-content: center;
}
.svc-card-narrow {
    grid-column: span 5;
    grid-row: 1;
    display: flex;
    flex-direction: column;
    padding: 0;
    overflow: hidden;
}
.svc-card-narrow .svc-img {
    height: 55%;
    overflow: hidden;
}
.svc-card-narrow .svc-img img {
    width: 100%; height: 100%;
    object-fit: cover;
}
.svc-card-narrow .svc-content {
    padding: 20px 20px 16px;
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
}
.svc-card-small {
    grid-column: span 4;
    grid-row: 2;
    padding: 24px;
}
.svc-card-tall {
    grid-column: span 4;
    grid-row: 2;
    padding: 0;
    overflow: hidden;
}
.svc-card-tall .svc-img {
    height: 60%;
    overflow: hidden;
}
.svc-card-tall .svc-img img {
    width: 100%; height: 100%;
    object-fit: cover;
}
.svc-card-tall .svc-content {
    padding: 16px 20px;
}
.svc-img {
    overflow: hidden;
    border-radius: 12px;
}
.svc-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}
.svc-card:hover .svc-img img {
    transform: scale(1.03);
}
.svc-badge {
    display: inline-block;
    height: 22px;
    padding: 0 10px;
    border-radius: 999px;
    font-size: 0.68rem;
    font-weight: 600;
    color: var(--gold);
    background: rgba(201,178,122,0.12);
    border: 1px solid rgba(201,178,122,0.35);
    margin-bottom: 12px;
    line-height: 20px;
    white-space: nowrap;
}
.svc-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 8px;
}
.svc-desc {
    font-size: 0.875rem;
    color: var(--text-sub);
    line-height: 1.6;
    margin-bottom: 12px;
}
.svc-list {
    margin-bottom: 12px;
}
.svc-list li {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.8rem;
    color: var(--text-sub);
    line-height: 1.8;
}
.svc-list li::before {
    content: '';
    width: 5px; height: 5px;
    border-radius: 50%;
    background: var(--accent);
    box-shadow: 0 0 6px rgba(51,224,255,0.5);
    flex-shrink: 0;
    display: inline-block;
}
.svc-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-sub);
    transition: var(--transition);
}
.svc-link i { font-size: 0.8rem; transition: transform 0.3s ease; }
.svc-link:hover {
    color: var(--accent);
}
.svc-link:hover i {
    transform: translateX(4px);
}
.svc-more {
    margin-top: auto;
    padding-top: 8px;
}
/* 几何装饰 */
.svc-deco {
    position: absolute;
    bottom: -30px;
    right: -30px;
    width: 100px;
    height: 100px;
    border-radius: 50%;
    border: 1px solid rgba(51,224,255,0.15);
    z-index: 0;
    pointer-events: none;
}
.svc-deco::after {
    content: '';
    position: absolute;
    inset: -15px;
    border-radius: 50%;
    border: 1px solid rgba(51,224,255,0.08);
}
.svc-content { position: relative; z-index: 1; }

/* ============ Highlights ============ */
#highlights {
    padding: 80px 0;
    background: var(--bg-body);
}
.highlights-grid {
    display: grid;
    grid-template-columns: 6fr 3fr 3fr;
    gap: 24px;
    grid-template-rows: auto;
}
.hl-card-large {
    grid-column: span 1;
    grid-row: span 2;
    border-radius: var(--radius-card);
    overflow: hidden;
    position: relative;
    min-height: 320px;
    background: var(--bg-panel);
    border: 1px solid var(--glass-border);
}
.hl-card-large img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    position: absolute;
    inset: 0;
}
.hl-card-large .hl-content {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(5,15,35,0.1) 50%, rgba(5,15,35,0.88) 100%);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 28px;
    z-index: 2;
}
.hl-card-large h3 {
    font-size: 1.2rem;
    color: var(--text-main);
    margin-bottom: 6px;
}
.hl-card-large p {
    font-size: 0.85rem;
    color: var(--text-sub);
    line-height: 1.6;
    margin: 0;
}
.hl-card {
    border-radius: var(--radius-card);
    padding: 28px 24px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}
.hl-card:hover {
    border-color: rgba(51,224,255,0.3);
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
}
.hl-card .hl-icon {
    width: 42px; height: 42px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    background: rgba(51,224,255,0.1);
    border: 1px solid rgba(51,224,255,0.2);
    color: var(--accent);
    font-size: 1rem;
    margin-bottom: 16px;
}
.hl-card h3 {
    font-size: 1rem;
    color: var(--text-main);
    margin-bottom: 8px;
}
.hl-card p {
    font-size: 0.85rem;
    color: var(--text-sub);
    line-height: 1.6;
    margin: 0;
}

/* ============ Compare ============ */
#compare {
    padding: 80px 0;
    background: linear-gradient(180deg, var(--bg-body) 0%, rgba(6,18,36,0.4) 100%);
    border-top: 1px solid rgba(255,255,255,0.03);
}
.compare-panel {
    border-radius: var(--radius-card);
    background: rgba(15,28,52,0.55);
    border: 1px solid var(--glass-border);
    padding: 40px 36px;
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    max-width: 960px;
    margin: 0 auto;
}
.compare-vs {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 24px;
    margin-bottom: 32px;
}
.vs-label {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-sub);
    letter-spacing: 0.02em;
}
.vs-label.right {
    color: var(--text-main);
}
.vs-circle {
    width: 52px; height: 52px;
    border-radius: 50%;
    background: rgba(51,224,255,0.12);
    border: 1px solid rgba(51,224,255,0.4);
    color: var(--accent);
    font-size: 0.85rem;
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: center;
    letter-spacing: 0.05em;
    flex-shrink: 0;
}
.compare-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    padding: 18px 0;
    border-bottom: 1px solid rgba(255,255,255,0.06);
}
.compare-row:last-of-type { border-bottom: none; }
.cmp-left {
    text-align: right;
    color: var(--text-dim);
    font-size: 0.9rem;
    line-height: 1.6;
    padding-right: 24px;
    border-right: 1px solid rgba(255,255,255,0.08);
}
.cmp-right {
    text-align: left;
    color: var(--text-main);
    font-size: 0.9rem;
    line-height: 1.6;
    padding-left: 24px;
    display: flex;
    align-items: flex-start;
    gap: 8px;
}
.cmp-right .badge-gold {
    flex-shrink: 0;
    height: 20px;
    font-size: 0.65rem;
    padding: 0 8px;
}
.compare-panel-outline {
    border: 1px solid rgba(51,224,255,0.35);
    background: rgba(51,224,255,0.04);
    border-radius: var(--radius-card);
}
.compare-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-top: 28px;
    padding-top: 24px;
    border-top: 1px solid rgba(255,255,255,0.07);
}
.compare-footer .cmp-note {
    color: var(--text-sub);
    font-size: 0.85rem;
}

/* ============ FAQ ============ */
#faq {
    padding: 80px 0;
    background: var(--bg-body);
}
.faq-panel {
    max-width: 860px;
    margin: 0 auto;
    border-radius: var(--radius-card);
    background: rgba(15,28,52,0.5);
    border: 1px solid var(--glass-border);
    padding: 40px 40px 32px;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}
.faq-intro {
    text-align: center;
    margin-bottom: 32px;
}
.faq-intro h2 {
    font-size: clamp(1.6rem, 3vw, 2.2rem);
    margin-bottom: 10px;
}
.faq-intro p {
    color: var(--text-sub);
    font-size: 0.9rem;
    max-width: 600px;
    margin: 0 auto;
}
.accordion-custom .accordion-item {
    background: transparent;
    border: none;
    border-bottom: 1px solid rgba(255,255,255,0.07);
}
.accordion-custom .accordion-item:last-child { border-bottom: none; }
.accordion-custom .accordion-button {
    background: transparent;
    color: var(--text-main);
    font-size: 1rem;
    font-weight: 500;
    padding: 20px 40px 20px 0;
    box-shadow: none;
    border: none;
    position: relative;
}
.accordion-custom .accordion-button:hover {
    color: var(--accent);
}
.accordion-custom .accordion-button::after {
    content: '+';
    background: transparent;
    background-image: none;
    font-size: 1.3rem;
    font-weight: 300;
    color: var(--accent);
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%) rotate(0deg);
    width: auto;
    height: auto;
    transition: transform 0.3s ease;
    line-height: 1;
}
.accordion-custom .accordion-button:not(.collapsed)::after {
    transform: translateY(-50%) rotate(45deg);
}
.accordion-custom .accordion-button:not(.collapsed) {
    color: var(--accent);
    background: transparent;
    box-shadow: none;
}
.accordion-custom .accordion-button:focus {
    box-shadow: none;
    outline: 2px solid rgba(51,224,255,0.2);
}
.accordion-custom .accordion-body {
    color: var(--text-sub);
    font-size: 0.875rem;
    line-height: 1.75;
    padding: 0 0 20px;
}
.faq-help {
    margin-top: 28px;
    text-align: center;
    padding: 20px;
    border-radius: 12px;
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.06);
}
.faq-help p {
    color: var(--text-sub);
    font-size: 0.85rem;
    margin-bottom: 12px;
}
.faq-help .wechat-chip {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 16px;
    border-radius: 999px;
    background: rgba(53,217,162,0.12);
    border: 1px solid rgba(53,217,162,0.3);
    color: var(--success);
    font-size: 0.8rem;
    font-weight: 500;
}
.faq-help .wechat-chip i { font-size: 0.9rem; }

/* ============ Reserve ============ */
#reserve {
    padding: 80px 0;
    background: linear-gradient(180deg, var(--bg-body) 0%, rgba(6,18,36,0.5) 100%);
    border-top: 1px solid rgba(255,255,255,0.03);
}
.reserve-grid {
    display: grid;
    grid-template-columns: 5fr 7fr;
    gap: 40px;
    align-items: start;
}
.reserve-left {
    padding: 20px 0;
}
.reserve-left h2 {
    font-size: clamp(1.6rem, 3vw, 2.2rem);
    margin-bottom: 16px;
}
.reserve-left .section-num {
    display: inline-block;
    font-size: 0.75rem;
    color: var(--gold);
    font-weight: 600;
    letter-spacing: 0.1em;
    margin-bottom: 8px;
}
.reserve-left > p {
    color: var(--text-sub);
    font-size: 0.9rem;
    margin-bottom: 28px;
}
.reserve-steps {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 28px;
}
.reserve-step {
    display: flex;
    align-items: flex-start;
    gap: 14px;
}
.reserve-step .step-num {
    flex-shrink: 0;
    width: 28px; height: 28px;
    border-radius: 50%;
    border: 1px solid var(--gold);
    color: var(--gold);
    font-size: 0.75rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(201,178,122,0.06);
}
.reserve-step .step-text {
    font-size: 0.9rem;
    color: var(--text-sub);
    line-height: 1.6;
}
.reserve-contact {
    display: grid;
    grid-template-columns: 1fr;
    gap: 10px;
    margin-bottom: 24px;
}
.contact-line {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.9rem;
    color: var(--text-sub);
}
.contact-line i {
    width: 18px;
    color: var(--accent);
    font-size: 0.95rem;
    text-align: center;
}
.reserve-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    border-radius: 999px;
    background: rgba(51,224,255,0.06);
    border: 1px solid rgba(51,224,255,0.2);
    color: var(--accent);
    font-size: 0.8rem;
    font-weight: 500;
}
.reserve-form-card {
    background: var(--bg-panel);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-card);
    padding: 32px;
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    box-shadow: var(--shadow-card);
}
.form-label {
    color: var(--text-main);
    font-size: 0.85rem;
    font-weight: 500;
    margin-bottom: 8px;
}
.form-control, .form-select {
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: var(--radius-btn);
    color: var(--text-main);
    height: 44px;
    padding: 0 16px;
    font-size: 0.9rem;
    transition: var(--transition);
}
.form-control::placeholder {
    color: var(--text-dim);
    font-size: 0.85rem;
}
.form-control:focus, .form-select:focus {
    background: rgba(255,255,255,0.07);
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(51,224,255,0.15);
    color: var(--text-main);
}
.form-control:hover, .form-select:hover {
    border-color: rgba(255,255,255,0.2);
}
select.form-select option {
    background: var(--bg-deep);
    color: var(--text-main);
}
.service-options {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
}
.service-check {
    display: none;
}
.service-label {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    height: 42px;
    border-radius: 10px;
    border: 1px solid rgba(255,255,255,0.1);
    background: rgba(255,255,255,0.04);
    color: var(--text-sub);
    font-size: 0.85rem;
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
}
.service-label:hover {
    border-color: rgba(51,224,255,0.3);
    color: var(--text-main);
}
.service-check:checked + .service-label {
    border-color: var(--accent);
    background: rgba(51,224,255,0.08);
    color: var(--accent);
    box-shadow: 0 0 12px rgba(51,224,255,0.15);
}
textarea.form-control {
    height: auto;
    padding: 12px 16px;
    resize: vertical;
    min-height: 80px;
}
.form-check-label {
    font-size: 0.8rem;
    color: var(--text-sub);
}
.privacy-note {
    font-size: 0.75rem;
    color: var(--text-dim);
    text-align: center;
    margin-top: 14px;
    margin-bottom: 0;
}

/* ============ Footer ============ */
.site-footer {
    background: #050E1E;
    border-top: 1px solid rgba(255,255,255,0.06);
    padding-top: 60px;
    padding-bottom: 30px;
}
.footer-grid {
    display: grid;
    grid-template-columns: 4fr 2fr 3fr;
    gap: 48px;
    margin-bottom: 40px;
}
.footer-brand .brand-icon {
    margin-bottom: 16px;
}
.footer-brand-name {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 8px;
}
.footer-desc {
    font-size: 0.8rem;
    color: var(--text-sub);
    line-height: 1.7;
    margin-bottom: 16px;
}
.footer-social {
    display: flex;
    gap: 10px;
}
.footer-social a {
    width: 36px; height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.08);
    color: var(--text-sub);
    font-size: 0.9rem;
    transition: var(--transition);
}
.footer-social a:hover {
    color: var(--accent);
    border-color: var(--accent);
    background: rgba(51,224,255,0.08);
}
.footer-title {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 16px;
    letter-spacing: 0.02em;
}
.footer-links {
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.footer-links a {
    color: var(--text-sub);
    font-size: 0.85rem;
    display: inline-block;
    transition: var(--transition);
}
.footer-links a:hover {
    color: var(--accent);
    transform: translateX(4px);
}
.footer-info-item {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin-bottom: 12px;
    font-size: 0.82rem;
    color: var(--text-sub);
    line-height: 1.6;
}
.footer-info-item i {
    margin-top: 3px;
    color: var(--accent);
    width: 16px;
    text-align: center;
    flex-shrink: 0;
}
.footer-bottom {
    padding-top: 24px;
    border-top: 1px solid rgba(255,255,255,0.05);
    text-align: center;
    font-size: 0.75rem;
    color: var(--text-dim);
    line-height: 1.8;
}
.footer-bottom .icp {
    display: block;
    margin-top: 4px;
}

/* ============ 滚动导航高亮 ============ */
.scrollspy-active { border-left-color: var(--accent) !important; }

/* ============ 响应式：1200px 以上 ============ */
@media (min-width: 1200px) {
    .container-custom { max-width: 1200px; padding: 0 32px; }
}

/* ============ 响应式：992-1199px 侧栏收起 ============ */
@media (min-width: 992px) and (max-width: 1199px) {
    .app-sidebar { width: var(--sidebar-w-sm); }
    .main-wrapper { margin-left: var(--sidebar-w-sm); }
    .sidebar-brand { flex-direction: column; padding: 20px 8px 14px; gap: 8px; }
    .sidebar-brand-text { display: none; }
    .sidebar-nav .nav-link { justify-content: center; padding: 14px 0; margin: 0 8px; }
    .sidebar-nav .nav-link span { display: none; }
    .sidebar-nav .nav-link i { font-size: 1.2rem; }
    .sidebar-footer { padding: 12px 8px 20px; }
    .sidebar-footer .btn span { display: none; }
    .sidebar-footer .btn { padding: 0; font-size: 1rem; width: 46px; height: 46px; margin: 0 auto 10px; border-radius: 50%; }
    .sidebar-contact { display: none; }
    .sidebar-footer .btn i { display: inline-block !important; }
}

/* ============ 响应式：992px 以下 移动端 ============ */
@media (max-width: 991.98px) {
    .app-sidebar { display: none; }
    .main-wrapper { margin-left: 0; }
    .mobile-header { display: flex; }
    .main-wrapper { padding-top: var(--header-h); }
    .hero-bento {
        grid-template-columns: 1fr;
        grid-template-areas:
            "main"
            "tai"
            "room"
            "cta";
    }
    .hero-main { min-height: auto; padding: 36px 28px; }
    .hero-card-tai, .hero-card-room { min-height: 190px; }
    .metrics-grid { grid-template-columns: repeat(2, 1fr); }
    .services-grid {
        grid-template-columns: 1fr;
        grid-template-rows: auto;
    }
    .svc-card-large, .svc-card-narrow, .svc-card-small, .svc-card-tall {
        grid-column: span 1;
        grid-row: auto;
    }
    .svc-card-large { flex-direction: column; }
    .svc-card-large .svc-img { width: 100%; height: 180px; }
    .svc-card-large .svc-content { padding: 20px; }
    .svc-card-narrow .svc-img { height: 160px; }
    .svc-card-tall .svc-img { height: 160px; }
    .highlights-grid {
        grid-template-columns: 1fr;
        grid-template-rows: auto;
    }
    .hl-card-large { min-height: 240px; }
    .compare-panel { padding: 28px 20px; }
    .compare-row { grid-template-columns: 1fr; gap: 8px; }
    .cmp-left {
        text-align: left;
        border-right: none;
        padding-right: 0;
        padding-bottom: 6px;
        font-size: 0.8rem;
    }
    .cmp-right {
        padding-left: 0;
        font-size: 0.85rem;
    }
    .compare-vs { gap: 14px; }
    .reserve-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    .reserve-form-card { padding: 24px 20px; }
    .site-footer { padding-top: 48px; }
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }
}

/* ============ 响应式：768px 以下 ============ */
@media (max-width: 767.98px) {
    .container-custom { padding: 0 16px; }
    #hero { padding: 48px 0 40px; }
    .hero-main { padding: 28px 20px; }
    .hero-main h1 {
        font-size: clamp(1.8rem, 7vw, 2.4rem);
    }
    .hero-subtitle { font-size: 0.9rem; }
    .hero-ctas { flex-direction: column; align-items: stretch; }
    .hero-ctas .btn { width: 100%; }
    .hero-cta-bar { flex-direction: column; align-items: flex-start; padding: 16px 20px; }
    .hero-cta-bar .btn { width: 100%; }
    .metrics-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
    .metric-card { padding: 20px 16px; }
    .metric-value { font-size: 1.6rem; }
    .section-head h2 { font-size: 1.4rem; }
    .section-head p { font-size: 0.85rem; }
    .svc-card { padding: 16px; }
    .svc-card-large .svc-content { padding: 16px; }
    .compare-vs .vs-label { font-size: 0.85rem; }
    .compare-footer { flex-direction: column; align-items: stretch; text-align: center; }
    .compare-footer .btn { width: 100%; }
    .faq-panel { padding: 24px 16px; }
    .reserve-steps { gap: 12px; }
    .service-options { grid-template-columns: 1fr; }
    .footer-grid { gap: 28px; }
}

/* ============ 响应式：520px 以下 ============ */
@media (max-width: 519.98px) {
    .metrics-grid { grid-template-columns: 1fr; }
    .hero-main { min-height: 0; padding: 24px 16px; }
    .hero-card-tai, .hero-card-room { min-height: 160px; margin: 0 8px; }
    .hero-cta-bar { margin: 0 8px; }
    .svc-card-large { padding: 0; }
    .svc-card-large .svc-img { height: 160px; }
    .svc-card { padding: 16px; }
    .btn { height: 42px; padding: 0 20px; font-size: 0.85rem; }
    .form-control { height: 40px; font-size: 0.85rem; }
    .service-label { height: 40px; font-size: 0.82rem; }
    .reserve-form-card { padding: 20px 16px; }
}

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

/* ============ 自定义滚动条 ============ */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: var(--bg-deep); }
::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.12); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: rgba(51,224,255,0.3); }