/* roulang page: index */
:root {
            --bg-deep: #0e0b0a;
            --bg-surface: #14100d;
            --bg-card: rgba(255, 255, 255, 0.04);
            --bg-glass: rgba(20, 16, 13, 0.85);
            --bg-glass-light: rgba(20, 16, 13, 0.6);
            --neon-green: #00e6a0;
            --neon-green-dark: #00b380;
            --warm-gold: #d4a843;
            --warm-gold-light: #c5944a;
            --text-primary: #f0efe7;
            --text-secondary: #a8a095;
            --text-muted: #7a7570;
            --border-subtle: rgba(212, 168, 67, 0.25);
            --border-gold: rgba(212, 168, 67, 0.3);
            --border-neon: rgba(0, 230, 160, 0.2);
            --shadow-neon: 0 0 20px rgba(0, 230, 160, 0.08);
            --shadow-neon-hover: 0 0 30px rgba(0, 230, 160, 0.25);
            --shadow-btn: 0 0 15px rgba(0, 230, 160, 0.4);
            --shadow-btn-hover: 0 0 25px rgba(0, 230, 160, 0.7);
            --radius-card: 12px;
            --radius-btn: 50px;
            --radius-input: 8px;
            --radius-sm: 6px;
            --font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", sans-serif;
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.3s ease;
            --container-max: 1140px;
        }

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

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

        body {
            font-family: var(--font-family);
            background-color: var(--bg-deep);
            color: var(--text-primary);
            line-height: 1.7;
            margin: 0;
            padding: 0;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            background-image:
                radial-gradient(ellipse at 20% 20%, rgba(0, 230, 160, 0.03) 0%, transparent 60%),
                radial-gradient(ellipse at 80% 60%, rgba(212, 168, 67, 0.04) 0%, transparent 60%),
                radial-gradient(ellipse at 50% 90%, rgba(0, 230, 160, 0.02) 0%, transparent 50%);
            background-attachment: fixed;
        }

        a {
            color: var(--text-primary);
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--neon-green);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        textarea,
        select {
            font-family: inherit;
        }

        .container {
            max-width: var(--container-max);
            padding-left: 1.5rem;
            padding-right: 1.5rem;
            margin-left: auto;
            margin-right: auto;
        }

        /* ========== 导航栏 - 悬浮胶囊 ========== */
        .nav-capsule-wrapper {
            position: fixed;
            top: 20px;
            left: 50%;
            transform: translateX(-50%);
            z-index: 9999;
            width: auto;
            max-width: 95vw;
        }
        .nav-capsule {
            background: var(--bg-glass);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-radius: 50px;
            border: 1px solid var(--border-gold);
            padding: 0.5rem 2rem;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 2rem;
            transition: all var(--transition-smooth);
        }
        .nav-capsule .logo-text {
            font-weight: 700;
            font-size: 1.15rem;
            color: var(--warm-gold);
            white-space: nowrap;
            letter-spacing: 0.03em;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .nav-capsule .logo-text .tea-icon {
            width: 22px;
            height: 22px;
            flex-shrink: 0;
        }
        .nav-capsule .nav-links {
            display: flex;
            align-items: center;
            gap: 2rem;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .nav-capsule .nav-links a {
            font-weight: 500;
            font-size: 0.95rem;
            color: var(--text-primary);
            position: relative;
            transition: color var(--transition-fast);
            white-space: nowrap;
            padding: 0.25rem 0;
        }
        .nav-capsule .nav-links a::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--neon-green);
            border-radius: 2px;
            box-shadow: 0 0 8px rgba(0, 230, 160, 0.6);
            transition: width var(--transition-smooth);
        }
        .nav-capsule .nav-links a:hover {
            color: var(--neon-green);
        }
        .nav-capsule .nav-links a:hover::after {
            width: 100%;
        }
        .nav-capsule .nav-links a.active {
            color: var(--neon-green);
        }
        .nav-capsule .nav-links a.active::after {
            width: 100%;
        }
        .nav-capsule .hamburger-btn {
            display: none;
            background: none;
            border: none;
            color: var(--text-primary);
            font-size: 1.5rem;
            cursor: pointer;
            padding: 0.25rem;
            line-height: 1;
        }
        .mobile-nav-dropdown {
            display: none;
            position: absolute;
            top: calc(100% + 12px);
            left: 0;
            right: 0;
            background: var(--bg-glass);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-radius: 16px;
            border: 1px solid var(--border-gold);
            padding: 1rem 1.5rem;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.6);
            flex-direction: column;
            gap: 0.75rem;
            list-style: none;
            margin: 0;
        }
        .mobile-nav-dropdown.show {
            display: flex;
        }
        .mobile-nav-dropdown a {
            display: block;
            padding: 0.6rem 0.8rem;
            color: var(--text-primary);
            font-weight: 500;
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            font-size: 0.95rem;
        }
        .mobile-nav-dropdown a:hover {
            background: rgba(0, 230, 160, 0.08);
            color: var(--neon-green);
        }

        /* ========== Hero 首屏 ========== */
        .hero-section {
            position: relative;
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            background-attachment: fixed;
            overflow: hidden;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(14, 11, 10, 0.7) 0%, rgba(14, 11, 10, 0.85) 100%);
            z-index: 1;
        }
        .hero-section::after {
            content: '';
            position: absolute;
            inset: 0;
            background:
                radial-gradient(circle at 25% 30%, rgba(0, 230, 160, 0.06) 0%, transparent 50%),
                radial-gradient(circle at 70% 60%, rgba(212, 168, 67, 0.05) 0%, transparent 50%);
            z-index: 1;
            animation: heroGlowPulse 6s ease-in-out infinite;
        }
        @keyframes heroGlowPulse {
            0%,
            100% {
                opacity: 0.7;
            }
            50% {
                opacity: 1;
            }
        }
        .hero-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 750px;
            padding: 2rem 1.5rem;
        }
        .hero-content h1 {
            font-size: 3rem;
            font-weight: 800;
            letter-spacing: 0.05em;
            color: var(--neon-green);
            text-shadow: 0 0 15px rgba(0, 230, 160, 0.5), 0 0 40px rgba(0, 230, 160, 0.2);
            margin-bottom: 1.25rem;
            line-height: 1.25;
        }
        .hero-content .hero-subtitle {
            font-size: 1.25rem;
            font-weight: 400;
            color: var(--warm-gold);
            margin-bottom: 1rem;
            letter-spacing: 0.04em;
        }
        .hero-content .hero-desc {
            font-size: 1rem;
            color: var(--text-secondary);
            margin-bottom: 2rem;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
            line-height: 1.8;
        }
        .hero-btns {
            display: flex;
            gap: 1rem;
            flex-wrap: wrap;
            justify-content: center;
        }
        .btn-primary-custom {
            border-radius: var(--radius-btn);
            padding: 0.75rem 2.5rem;
            background: linear-gradient(135deg, var(--neon-green) 0%, var(--neon-green-dark) 100%);
            color: var(--bg-deep);
            font-weight: 700;
            border: none;
            box-shadow: var(--shadow-btn);
            cursor: pointer;
            transition: all var(--transition-fast);
            font-size: 1rem;
            min-height: 44px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            text-decoration: none;
        }
        .btn-primary-custom:hover {
            box-shadow: var(--shadow-btn-hover);
            transform: scale(1.05);
            color: var(--bg-deep);
        }
        .btn-outline-custom {
            border-radius: var(--radius-btn);
            padding: 0.75rem 2.5rem;
            background: transparent;
            color: var(--text-primary);
            font-weight: 600;
            border: 1.5px solid var(--warm-gold);
            cursor: pointer;
            transition: all var(--transition-fast);
            font-size: 1rem;
            min-height: 44px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            text-decoration: none;
        }
        .btn-outline-custom:hover {
            background: rgba(212, 168, 67, 0.15);
            border-color: var(--warm-gold-light);
            color: var(--warm-gold);
            box-shadow: 0 0 20px rgba(212, 168, 67, 0.3);
        }

        /* 粒子装饰 */
        .hero-particles {
            position: absolute;
            inset: 0;
            z-index: 1;
            pointer-events: none;
            overflow: hidden;
        }
        .hero-particle {
            position: absolute;
            width: 3px;
            height: 3px;
            background: var(--neon-green);
            border-radius: 50%;
            animation: floatUp 8s linear infinite;
            opacity: 0;
        }
        @keyframes floatUp {
            0% {
                transform: translateY(100vh) scale(0);
                opacity: 0;
            }
            10% {
                opacity: 0.8;
            }
            90% {
                opacity: 0.3;
            }
            100% {
                transform: translateY(-10vh) scale(1.5);
                opacity: 0;
            }
        }

        /* ========== 板块通用 ========== */
        .section-block {
            padding: 5rem 0;
            position: relative;
        }
        .section-block:nth-child(even) {
            background: rgba(20, 16, 13, 0.5);
        }
        .section-title {
            font-size: 2rem;
            font-weight: 700;
            text-align: center;
            margin-bottom: 0.6rem;
            color: var(--text-primary);
            position: relative;
            display: inline-block;
        }
        .section-title-wrapper {
            text-align: center;
            margin-bottom: 3rem;
        }
        .section-title-underline {
            width: 60px;
            height: 3px;
            background: var(--neon-green);
            border-radius: 3px;
            margin: 0.6rem auto 0;
            box-shadow: 0 0 10px rgba(0, 230, 160, 0.5);
        }
        .section-subtitle {
            text-align: center;
            color: var(--text-secondary);
            font-size: 1rem;
            max-width: 600px;
            margin: 0.75rem auto 0;
            line-height: 1.7;
        }

        /* ========== 限时入口 ========== */
        .flash-deal-bar {
            background: linear-gradient(135deg, rgba(0, 230, 160, 0.08) 0%, rgba(212, 168, 67, 0.06) 100%);
            border: 1px solid var(--border-neon);
            border-radius: var(--radius-card);
            padding: 1.5rem 2rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1.5rem;
            flex-wrap: wrap;
            position: relative;
            overflow: hidden;
        }
        .flash-deal-bar::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(0, 230, 160, 0.04), transparent);
            animation: shimmer 3s ease-in-out infinite;
        }
        @keyframes shimmer {
            0% {
                left: -100%;
            }
            100% {
                left: 100%;
            }
        }
        .flash-deal-info {
            display: flex;
            align-items: center;
            gap: 1.25rem;
            flex-wrap: wrap;
            z-index: 1;
        }
        .flash-deal-badge {
            background: var(--neon-green);
            color: var(--bg-deep);
            font-weight: 700;
            padding: 0.35rem 1rem;
            border-radius: 50px;
            font-size: 0.85rem;
            letter-spacing: 0.04em;
            white-space: nowrap;
            animation: badgePulse 2s ease-in-out infinite;
        }
        @keyframes badgePulse {
            0%,
            100% {
                box-shadow: 0 0 10px rgba(0, 230, 160, 0.5);
            }
            50% {
                box-shadow: 0 0 22px rgba(0, 230, 160, 0.8);
            }
        }
        .flash-deal-text {
            font-weight: 600;
            color: var(--text-primary);
            font-size: 1.05rem;
        }
        .flash-deal-countdown {
            display: flex;
            gap: 0.6rem;
            align-items: center;
            z-index: 1;
        }
        .countdown-digit {
            background: rgba(0, 0, 0, 0.5);
            border: 1px solid var(--border-neon);
            border-radius: 6px;
            padding: 0.4rem 0.6rem;
            font-weight: 700;
            font-size: 1.3rem;
            color: var(--neon-green);
            min-width: 42px;
            text-align: center;
            font-variant-numeric: tabular-nums;
            font-family: "SF Mono", "Consolas", "Monaco", monospace;
        }
        .countdown-sep {
            color: var(--text-secondary);
            font-weight: 700;
        }

        /* ========== 服务卡片 ========== */
        .service-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.75rem;
        }
        .service-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-card);
            padding: 2rem 1.5rem;
            box-shadow: var(--shadow-neon);
            transition: all var(--transition-smooth);
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .service-card::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 20%;
            width: 60%;
            height: 1px;
            background: linear-gradient(90deg, transparent, var(--border-subtle), transparent);
            border-radius: 1px;
        }
        .service-card:hover {
            border-color: var(--neon-green);
            box-shadow: var(--shadow-neon-hover);
            transform: translateY(-4px);
        }
        .service-card .service-icon {
            width: 56px;
            height: 56px;
            margin: 0 auto 1.25rem;
            color: var(--neon-green);
            transition: transform var(--transition-smooth);
        }
        .service-card:hover .service-icon {
            transform: scale(1.12);
        }
        .service-card .service-icon svg {
            width: 100%;
            height: 100%;
        }
        .service-card h3 {
            font-size: 1.25rem;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 0.6rem;
        }
        .service-card p {
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.6;
            margin: 0;
        }

        /* ========== 优势数据 ========== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.5rem;
        }
        .stat-item {
            text-align: center;
            padding: 1.5rem 1rem;
            position: relative;
        }
        .stat-number {
            font-size: 3rem;
            font-weight: 800;
            color: var(--warm-gold);
            text-shadow: 0 0 20px rgba(212, 168, 67, 0.4);
            line-height: 1.1;
            margin-bottom: 0.4rem;
            font-variant-numeric: tabular-nums;
        }
        .stat-number.green {
            color: var(--neon-green);
            text-shadow: 0 0 20px rgba(0, 230, 160, 0.4);
        }
        .stat-label {
            font-size: 0.95rem;
            color: var(--text-secondary);
            font-weight: 500;
        }

        /* ========== 优惠阶梯 ========== */
        .tier-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
            align-items: stretch;
        }
        .tier-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-card);
            padding: 2rem 1.5rem;
            box-shadow: var(--shadow-neon);
            transition: all var(--transition-smooth);
            text-align: center;
            position: relative;
            display: flex;
            flex-direction: column;
        }
        .tier-card.featured {
            border-color: var(--warm-gold);
            box-shadow: 0 0 25px rgba(212, 168, 67, 0.2);
            transform: scale(1.03);
            z-index: 1;
        }
        .tier-card:hover {
            border-color: var(--neon-green);
            box-shadow: var(--shadow-neon-hover);
            transform: translateY(-4px);
        }
        .tier-card.featured:hover {
            transform: scale(1.03) translateY(-4px);
        }
        .tier-badge {
            display: inline-block;
            background: var(--warm-gold);
            color: var(--bg-deep);
            font-weight: 700;
            padding: 0.3rem 1rem;
            border-radius: 50px;
            font-size: 0.8rem;
            margin-bottom: 1rem;
            letter-spacing: 0.03em;
        }
        .tier-name {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 0.5rem;
        }
        .tier-price {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--neon-green);
            margin-bottom: 1rem;
        }
        .tier-price small {
            font-size: 0.9rem;
            font-weight: 400;
            color: var(--text-secondary);
        }
        .tier-features {
            list-style: none;
            padding: 0;
            margin: 0 0 1.5rem;
            text-align: left;
            flex-grow: 1;
        }
        .tier-features li {
            padding: 0.4rem 0;
            color: var(--text-secondary);
            font-size: 0.9rem;
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        .tier-features li::before {
            content: '✓';
            color: var(--neon-green);
            font-weight: 700;
            flex-shrink: 0;
        }

        /* ========== 案例展示 ========== */
        .case-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
        }
        .case-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-neon);
            transition: all var(--transition-smooth);
        }
        .case-card:nth-child(2) {
            transform: rotate(1deg);
        }
        .case-card:nth-child(3) {
            transform: rotate(-0.8deg);
        }
        .case-card:hover {
            border-color: var(--neon-green);
            box-shadow: var(--shadow-neon-hover);
            transform: translateY(-6px) rotate(0deg);
        }
        .case-card .case-img-wrap {
            position: relative;
            aspect-ratio: 16/9;
            overflow: hidden;
            background: #1a1512;
        }
        .case-card .case-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-smooth);
        }
        .case-card:hover .case-img-wrap img {
            transform: scale(1.06);
        }
        .case-card .case-img-overlay {
            position: absolute;
            inset: 0;
            background: rgba(14, 11, 10, 0.5);
            transition: opacity var(--transition-smooth);
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .case-card:hover .case-img-overlay {
            opacity: 0;
        }
        .case-card .case-body {
            padding: 1.25rem;
        }
        .case-card .case-body h4 {
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 0.5rem;
        }
        .case-card .case-tags {
            display: flex;
            gap: 0.5rem;
            flex-wrap: wrap;
        }
        .case-tag {
            display: inline-block;
            padding: 0.2rem 0.75rem;
            border-radius: 50px;
            font-size: 0.78rem;
            font-weight: 500;
            background: rgba(0, 230, 160, 0.08);
            border: 1px solid rgba(0, 230, 160, 0.25);
            color: var(--neon-green);
        }

        /* ========== 竖屏种草 ========== */
        .vertical-scroll-row {
            display: flex;
            gap: 1.25rem;
            overflow-x: auto;
            padding: 0.5rem 0 1rem;
            scroll-snap-type: x mandatory;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: thin;
            scrollbar-color: rgba(0, 230, 160, 0.3) transparent;
        }
        .vertical-scroll-row::-webkit-scrollbar {
            height: 4px;
        }
        .vertical-scroll-row::-webkit-scrollbar-thumb {
            background: rgba(0, 230, 160, 0.3);
            border-radius: 4px;
        }
        .vertical-card {
            flex: 0 0 auto;
            width: 200px;
            scroll-snap-align: start;
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-neon);
            transition: all var(--transition-smooth);
            cursor: pointer;
        }
        .vertical-card:hover {
            border-color: var(--neon-green);
            box-shadow: var(--shadow-neon-hover);
            transform: translateY(-3px);
        }
        .vertical-card .vc-img {
            aspect-ratio: 3/4;
            overflow: hidden;
            background: #1a1512;
        }
        .vertical-card .vc-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-smooth);
        }
        .vertical-card:hover .vc-img img {
            transform: scale(1.08);
        }
        .vertical-card .vc-body {
            padding: 1rem;
        }
        .vertical-card .vc-body h5 {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 0.3rem;
            line-height: 1.3;
        }
        .vertical-card .vc-body .vc-cta {
            font-size: 0.8rem;
            color: var(--neon-green);
            font-weight: 600;
            margin-top: 0.4rem;
            display: inline-block;
        }

        /* ========== 方案流程 ========== */
        .steps-row {
            display: flex;
            align-items: flex-start;
            justify-content: space-between;
            gap: 0;
            position: relative;
        }
        .steps-row::before {
            content: '';
            position: absolute;
            top: 32px;
            left: 10%;
            right: 10%;
            height: 2px;
            background: linear-gradient(90deg, var(--warm-gold), var(--neon-green), var(--warm-gold));
            border-radius: 2px;
            box-shadow: 0 0 8px rgba(0, 230, 160, 0.4);
            z-index: 0;
        }
        .step-item {
            flex: 1;
            text-align: center;
            position: relative;
            z-index: 1;
            padding: 0 0.5rem;
        }
        .step-circle {
            width: 64px;
            height: 64px;
            border-radius: 50%;
            border: 2px solid var(--neon-green);
            background: var(--bg-deep);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 1rem;
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--neon-green);
            box-shadow: 0 0 15px rgba(0, 230, 160, 0.3);
            transition: all var(--transition-smooth);
        }
        .step-item:hover .step-circle {
            box-shadow: 0 0 25px rgba(0, 230, 160, 0.6);
            transform: scale(1.08);
            border-color: var(--warm-gold);
            color: var(--warm-gold);
        }
        .step-item h4 {
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 0.35rem;
        }
        .step-item p {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.5;
            margin: 0;
        }

        /* ========== FAQ 手风琴 ========== */
        .faq-accordion .accordion-item {
            background: transparent;
            border: none;
            margin-bottom: 0.75rem;
        }
        .faq-accordion .accordion-button {
            background: rgba(212, 168, 67, 0.08);
            border: 1px solid var(--border-neon);
            border-radius: var(--radius-input) !important;
            color: var(--text-primary);
            font-weight: 600;
            padding: 1rem 1.25rem;
            transition: all var(--transition-smooth);
            box-shadow: none;
            font-size: 1rem;
        }
        .faq-accordion .accordion-button:not(.collapsed) {
            background: rgba(0, 230, 160, 0.08);
            border-color: var(--neon-green);
            color: var(--neon-green);
            box-shadow: 0 0 12px rgba(0, 230, 160, 0.2);
        }
        .faq-accordion .accordion-button:hover {
            border-color: var(--neon-green);
        }
        .faq-accordion .accordion-button::after {
            filter: brightness(0) saturate(100%) invert(75%) sepia(80%) saturate(800%) hue-rotate(100deg);
        }
        .faq-accordion .accordion-body {
            background: rgba(0, 0, 0, 0.2);
            border: 1px solid var(--border-neon);
            border-top: none;
            border-radius: 0 0 var(--radius-input) var(--radius-input);
            color: var(--text-secondary);
            padding: 1rem 1.25rem;
            line-height: 1.7;
            font-size: 0.95rem;
        }
        .faq-accordion .accordion-collapse {
            border: none;
        }

        /* ========== 联系板块 ========== */
        .contact-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2.5rem;
            align-items: start;
        }
        .contact-form-wrap {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-card);
            padding: 2rem;
            box-shadow: var(--shadow-neon);
        }
        .contact-form-wrap .form-label {
            color: var(--text-primary);
            font-weight: 500;
            margin-bottom: 0.4rem;
            font-size: 0.9rem;
        }
        .contact-form-wrap .form-control {
            border-radius: var(--radius-input);
            border: 1px solid var(--border-gold);
            background: rgba(0, 0, 0, 0.3);
            color: var(--text-primary);
            padding: 0.7rem 1rem;
            transition: all var(--transition-fast);
            font-size: 0.95rem;
        }
        .contact-form-wrap .form-control:focus {
            border-color: var(--neon-green);
            box-shadow: 0 0 10px rgba(0, 230, 160, 0.3);
            background: rgba(0, 0, 0, 0.45);
            color: var(--text-primary);
            outline: none;
        }
        .contact-form-wrap textarea.form-control {
            min-height: 100px;
            resize: vertical;
        }
        .contact-info-side {
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
        }
        .contact-info-img {
            border-radius: var(--radius-card);
            overflow: hidden;
            border: 1px solid var(--border-subtle);
            aspect-ratio: 16/10;
        }
        .contact-info-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .contact-detail-item {
            display: flex;
            align-items: flex-start;
            gap: 0.8rem;
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.6;
        }
        .contact-detail-item .ci-icon {
            color: var(--neon-green);
            flex-shrink: 0;
            margin-top: 2px;
            font-size: 1.1rem;
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: rgba(14, 11, 10, 0.92);
            border-top: 1px solid rgba(0, 230, 160, 0.3);
            padding: 3rem 0 1.5rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.5rem;
            margin-bottom: 2rem;
        }
        .footer-col h5 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 1rem;
            letter-spacing: 0.03em;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 0.5rem;
        }
        .footer-col ul li a {
            color: var(--text-secondary);
            font-size: 0.9rem;
            transition: color var(--transition-fast);
        }
        .footer-col ul li a:hover {
            color: var(--neon-green);
        }
        .footer-bottom {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            color: var(--text-muted);
            font-size: 0.85rem;
        }

        /* ========== 响应式 ========== */
        @media (max-width: 1024px) {
            .hero-content h1 {
                font-size: 2.4rem;
            }
            .service-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .tier-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .tier-card.featured {
                transform: scale(1);
            }
            .tier-card.featured:hover {
                transform: translateY(-4px);
            }
            .case-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .case-card:nth-child(2),
            .case-card:nth-child(3) {
                transform: none;
            }
            .contact-row {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .steps-row {
                flex-wrap: wrap;
                gap: 1.5rem;
            }
            .steps-row::before {
                display: none;
            }
            .step-item {
                flex: 0 0 calc(50% - 0.75rem);
            }
        }

        @media (max-width: 768px) {
            .nav-capsule-wrapper {
                top: 10px;
                max-width: 94vw;
            }
            .nav-capsule {
                border-radius: 30px;
                padding: 0.5rem 1.25rem;
            }
            .nav-capsule .nav-links {
                display: none;
            }
            .nav-capsule .hamburger-btn {
                display: block;
            }
            .hero-content h1 {
                font-size: 2rem;
            }
            .hero-content .hero-subtitle {
                font-size: 1.05rem;
            }
            .hero-content .hero-desc {
                font-size: 0.9rem;
            }
            .hero-btns {
                flex-direction: column;
                align-items: center;
            }
            .hero-btns .btn-primary-custom,
            .hero-btns .btn-outline-custom {
                width: 100%;
                max-width: 280px;
            }
            .section-block {
                padding: 3rem 0;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .service-grid {
                grid-template-columns: 1fr;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 1rem;
            }
            .stat-number {
                font-size: 2.2rem;
            }
            .tier-grid {
                grid-template-columns: 1fr;
                max-width: 400px;
                margin: 0 auto;
            }
            .tier-card.featured {
                transform: scale(1);
            }
            .case-grid {
                grid-template-columns: 1fr;
            }
            .case-card:nth-child(2),
            .case-card:nth-child(3) {
                transform: none;
            }
            .steps-row {
                flex-direction: column;
                align-items: center;
                gap: 1.5rem;
            }
            .step-item {
                flex: 1 1 auto;
                max-width: 300px;
            }
            .flash-deal-bar {
                flex-direction: column;
                text-align: center;
                align-items: center;
            }
            .flash-deal-info {
                flex-direction: column;
                align-items: center;
            }
            .contact-row {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 1rem;
            }
            .vertical-card {
                width: 160px;
            }
        }

        @media (max-width: 520px) {
            .hero-content h1 {
                font-size: 1.6rem;
                letter-spacing: 0.03em;
            }
            .hero-content .hero-subtitle {
                font-size: 0.95rem;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
            }
            .stat-number {
                font-size: 1.8rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .section-title {
                font-size: 1.35rem;
            }
            .vertical-card {
                width: 140px;
            }
            .btn-primary-custom,
            .btn-outline-custom {
                padding: 0.65rem 1.8rem;
                font-size: 0.9rem;
            }
        }