*,
        *::before,
        *::after {
            margin: 0;
            padding: 0;
            box-sizing: border-box
        }
        :root {
            --bg: #060b14;
            --bg-alt: #0a1222;
            --ink: #e6ecf3;
            --muted: #7b8ba6;
            --primary: #2563eb;
            --primary-bright: #3b82f6;
            --accent: #06b6d4;
            --success: #10b981;
            --warning: #f59e0b;
            --rose: #f43f5e;
            --glass: rgba(255, 255, 255, .025);
            --glass-hover: rgba(255, 255, 255, .05);
            --line: rgba(255, 255, 255, .07);
            --line-bright: rgba(255, 255, 255, .12);
            --card-hover: rgba(37, 99, 235, .06);
            --glow-primary: rgba(37, 99, 235, .15);
            --glow-accent: rgba(6, 182, 212, .1);
            --radius-sm: 8px;
            --radius: 14px;
            --radius-lg: 20px;
            --radius-xl: 24px;
            --ease: cubic-bezier(.22, 1, .36, 1);
            --font-display: 'Syne', sans-serif;
            --font-body: 'Space Grotesk', sans-serif;
            --font-mono: 'DM Mono', monospace;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
            overflow-x: hidden;
            -webkit-text-size-adjust: 100%
        }
        body {
            font-family: var(--font-body);
            background: var(--bg);
            color: var(--ink);
            overflow-x: hidden;
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale
        }
        ::selection {
            background: var(--primary-bright);
            color: #fff
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: all .3s var(--ease)
        }
        ul {
            list-style: none
        }
        .container {
            width: 100%;
            max-width: 1400px;
            margin: 0 auto;
            padding: 0 clamp(20px, 4vw, 60px)
        }
        h1,
        h2,
        h3,
        h4 {
            font-family: var(--font-display);
            font-weight: 800;
            letter-spacing: -.02em
        }
        body::before {
            content: '';
            position: fixed;
            inset: 0;
            z-index: 0;
            pointer-events: none;
            background: radial-gradient(ellipse 70% 50% at 15% 85%, rgba(37, 99, 235, .05), transparent),
                radial-gradient(ellipse 55% 45% at 85% 15%, rgba(6, 182, 212, .04), transparent),
                radial-gradient(ellipse 40% 35% at 50% 50%, rgba(16, 185, 129, .02), transparent)
        }

        /* 导航栏 */
        nav {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 999;
            backdrop-filter: blur(20px) saturate(1.4);
            -webkit-backdrop-filter: blur(20px) saturate(1.4);
            border-bottom: 1px solid var(--line);
            background: rgba(6, 11, 20, .7)
        }
        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 60px
        }
        .logo {
            font-family: var(--font-display);
            font-size: 1.35rem;
            font-weight: 800;
            letter-spacing: .05em;
            background: linear-gradient(135deg, #3b82f6, #06b6d4);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            flex-shrink: 0
        }
        .nav-right {
            display: flex;
            align-items: center;
            gap: 26px
        }
        .nav-right a {
            font-size: .8rem;
            font-weight: 500;
            color: var(--muted);
            position: relative;
            letter-spacing: .02em;
            white-space: nowrap
        }
        .nav-right a:hover {
            color: var(--ink)
        }
        .nav-right a.active {
            color: var(--accent)
        }
        .nav-download {
            padding: 8px 18px;
            border-radius: 6px;
            border: 1px solid rgba(59, 130, 246, .35);
            color: #3b82f6 !important;
            font-weight: 600;
            font-size: .8rem;
            transition: all .3s ease;
            white-space: nowrap
        }
        .nav-download:hover {
            background: rgba(59, 130, 246, .1);
            box-shadow: 0 0 20px rgba(59, 130, 246, .12)
        }
        .mobile-btn {
            display: none;
            background: none;
            border: none;
            color: var(--ink);
            font-size: 1.4rem;
            cursor: pointer;
            padding: 4px
        }

        /* Hero 区域 */
        .mega-hero {
            min-height: 100vh;
            display: grid;
            grid-template-columns: 1fr 1fr;
            position: relative;
            z-index: 1;
            padding-top: 60px
        }
        .hero-left {
            display: flex;
            flex-direction: column;
            justify-content: center;
            padding: clamp(80px, 10vh, 140px) clamp(20px, 4vw, 60px) clamp(80px, 10vh, 140px) clamp(20px, 6vw, 90px);
            position: relative
        }
        .hero-left::after {
            content: '';
            position: absolute;
            right: 0;
            top: 15%;
            bottom: 15%;
            width: 1px;
            background: linear-gradient(to bottom, transparent, var(--line), transparent)
        }
        .overline {
            font-family: var(--font-mono);
            font-size: .75rem;
            font-weight: 400;
            color: var(--accent);
            letter-spacing: .2em;
            text-transform: uppercase;
            margin-bottom: 24px;
            display: flex;
            align-items: center;
            gap: 12px
        }
        .overline::before {
            content: '';
            width: 28px;
            height: 1px;
            background: var(--accent)
        }
        .hero-h1 {
            font-size: clamp(2.8rem, 6.5vw, 5.8rem);
            line-height: .94;
            margin-bottom: 28px;
            position: relative
        }
        .hero-h1 .line {
            display: block;
            overflow: hidden
        }
        .hero-h1 .line span {
            display: inline-block
        }
        .hero-h1 .line:nth-child(2) span {
            background: linear-gradient(90deg, #3b82f6, #06b6d4);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text
        }
        .hero-h1 .line:nth-child(3) span {
            color: var(--muted);
            -webkit-text-fill-color: var(--muted)
        }
        .hero-sub {
            font-size: 1rem;
            color: var(--muted);
            max-width: 440px;
            line-height: 1.8;
            margin-bottom: 40px
        }
        .hero-btns {
            display: flex;
            gap: 12px;
            flex-wrap: wrap
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 30px;
            border-radius: var(--radius-sm);
            background: #2563eb;
            color: #fff;
            font-weight: 700;
            font-size: .9rem;
            font-family: var(--font-body);
            border: none;
            cursor: pointer;
            position: relative;
            overflow: hidden;
            transition: all .3s var(--ease);
            box-shadow: 0 4px 20px rgba(37, 99, 235, .3)
        }
        .btn-primary:hover {
            background: #3b82f6;
            transform: translateY(-2px);
            box-shadow: 0 8px 32px rgba(37, 99, 235, .4)
        }
        .btn-ghost {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 30px;
            border-radius: var(--radius-sm);
            background: transparent;
            border: 1px solid var(--line-bright);
            color: var(--ink);
            font-weight: 600;
            font-size: .9rem;
            font-family: var(--font-body);
            cursor: pointer;
            transition: all .3s var(--ease)
        }
        .btn-ghost:hover {
            border-color: rgba(255, 255, 255, .2);
            background: var(--glass-hover)
        }
        .hero-right {
            position: relative;
            overflow: hidden;
            display: flex;
            align-items: center;
            justify-content: center
        }
        .hero-art {
            position: relative;
            width: 100%;
            height: 100%;
            display: flex;
            align-items: center;
            justify-content: center
        }
        .hero-art canvas {
            width: 100%;
            height: 100%
        }
        .hero-glow-orb {
            position: absolute;
            width: 450px;
            height: 450px;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            background: radial-gradient(circle, rgba(37, 99, 235, .1), rgba(6, 182, 212, .05), transparent 65%);
            filter: blur(55px);
            animation: orbFloat 7s ease-in-out infinite;
            pointer-events: none
        }
        @keyframes orbFloat {
            0%,
            100% {
                transform: translate(-50%, -50%) scale(1)
            }
            50% {
                transform: translate(-50%, -50%) scale(1.12)
            }
        }

        /* 跑马灯 */
        .ticker-strip {
            position: relative;
            z-index: 1;
            overflow: hidden;
            border-top: 1px solid var(--line);
            border-bottom: 1px solid var(--line);
            padding: 14px 0;
            background: rgba(255, 255, 255, .008)
        }
        .ticker-track {
            display: flex;
            gap: 50px;
            animation: tickerScroll 30s linear infinite;
            width: max-content
        }
        .ticker-item {
            display: flex;
            align-items: center;
            gap: 10px;
            white-space: nowrap;
            font-family: var(--font-mono);
            font-size: .78rem;
            color: var(--muted);
            letter-spacing: .03em
        }
        .ticker-item .dot {
            width: 5px;
            height: 5px;
            border-radius: 50%;
            background: var(--success)
        }
        @keyframes tickerScroll {
            0% {
                transform: translateX(0)
            }
            100% {
                transform: translateX(-50%)
            }
        }

        /* 实时数据面板 */
        .live-panel {
            position: relative;
            z-index: 1;
            padding: clamp(36px, 5vh, 64px) 0
        }
        .live-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 12px
        }
        .live-card {
            border-radius: var(--radius);
            border: 1px solid var(--line);
            background: var(--glass);
            padding: 20px 18px;
            text-align: center;
            position: relative;
            overflow: hidden;
            transition: all .35s var(--ease)
        }
        .live-card:hover {
            border-color: var(--line-bright);
            background: var(--card-hover)
        }
        .live-card .live-dot {
            display: inline-block;
            width: 7px;
            height: 7px;
            border-radius: 50%;
            margin-right: 5px;
            vertical-align: middle;
            animation: pulse 2s ease infinite
        }
        .live-card .live-dot.green {
            background: var(--success);
            box-shadow: 0 0 8px var(--success)
        }
        .live-card .live-dot.blue {
            background: var(--primary-bright);
            box-shadow: 0 0 8px var(--primary-bright)
        }
        .live-card .live-val {
            font-family: var(--font-display);
            font-size: 2rem;
            font-weight: 800;
            letter-spacing: -.02em;
            margin: 6px 0 2px
        }
        .live-card .live-val.c1 {
            color: var(--success)
        }
        .live-card .live-val.c2 {
            color: var(--accent)
        }
        .live-card .live-val.c3 {
            color: var(--primary-bright)
        }
        .live-card .live-val.c4 {
            color: var(--warning)
        }
        .live-card .live-label {
            font-size: .72rem;
            color: var(--muted);
            font-family: var(--font-mono);
            letter-spacing: .04em;
            text-transform: uppercase
        }
        .live-card .live-sub {
            font-size: .65rem;
            color: var(--muted);
            margin-top: 2px;
            opacity: .7
        }
        @keyframes pulse {
            0%,
            100% {
                opacity: 1
            }
            50% {
                opacity: .35
            }
        }

        /* 通用区块 */
        .section {
            position: relative;
            z-index: 1;
            padding: clamp(60px, 10vh, 120px) 0
        }
        .section-head {
            text-align: center;
            margin-bottom: clamp(36px, 5vw, 56px)
        }
        .section-head .tag {
            display: inline-block;
            font-family: var(--font-mono);
            font-size: .7rem;
            letter-spacing: .14em;
            text-transform: uppercase;
            color: var(--accent);
            padding: 6px 14px;
            border-radius: 4px;
            border: 1px solid rgba(6, 182, 212, .2);
            margin-bottom: 14px
        }
        .section-head h2 {
            font-size: clamp(1.8rem, 3.8vw, 2.8rem);
            line-height: 1.15;
            margin-bottom: 10px
        }
        .section-head .sub {
            color: var(--muted);
            font-size: .9rem;
            max-width: 500px;
            margin: 0 auto;
            line-height: 1.7
        }

        /* 分屏布局 */
        .split-layout {
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: clamp(36px, 5vw, 80px);
            align-items: center
        }
        .split-layout.reversed {
            direction: rtl
        }
        .split-layout.reversed>* {
            direction: ltr
        }
        .split-visual {
            position: relative
        }
        .monitor-frame {
            position: relative;
            border-radius: 14px;
            border: 1px solid var(--line);
            background: var(--glass);
            overflow: hidden;
            aspect-ratio: 16/10
        }
        .monitor-frame::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 32px;
            background: rgba(0, 0, 0, .35);
            border-bottom: 1px solid var(--line);
            z-index: 2
        }
        .monitor-dots {
            position: absolute;
            top: 10px;
            left: 14px;
            z-index: 3;
            display: flex;
            gap: 5px
        }
        .monitor-dots span {
            width: 7px;
            height: 7px;
            border-radius: 50%
        }
        .monitor-dots span:nth-child(1) {
            background: #ff5f57
        }
        .monitor-dots span:nth-child(2) {
            background: #febc2e
        }
        .monitor-dots span:nth-child(3) {
            background: #28c840
        }
        .monitor-status {
            position: absolute;
            top: 9px;
            right: 14px;
            z-index: 3;
            font-family: var(--font-mono);
            font-size: .68rem;
            color: var(--success);
            display: flex;
            align-items: center;
            gap: 5px
        }
        .monitor-status::before {
            content: '';
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--success);
            box-shadow: 0 0 6px var(--success);
            animation: pulse 2s ease infinite
        }
        .monitor-content {
            position: absolute;
            top: 32px;
            left: 0;
            right: 0;
            bottom: 0;
            padding: 16px;
            overflow-y: auto
        }
        .server-row {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 10px 14px;
            border-radius: 8px;
            background: rgba(255, 255, 255, .015);
            border: 1px solid rgba(255, 255, 255, .025);
            margin-bottom: 8px;
            transition: all .3s var(--ease)
        }
        .server-row:hover {
            background: rgba(37, 99, 235, .04);
            border-color: rgba(37, 99, 235, .1);
            transform: translateX(4px)
        }
        .server-row .flag {
            font-size: 1.2rem;
            flex-shrink: 0
        }
        .server-row .info {
            flex: 1;
            min-width: 0
        }
        .server-row .name {
            font-weight: 600;
            font-size: .82rem;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis
        }
        .server-row .ping {
            font-size: .68rem;
            color: var(--muted);
            font-family: var(--font-mono)
        }
        .server-row .bar {
            width: 36px;
            height: 3px;
            border-radius: 2px;
            background: rgba(255, 255, 255, .06);
            overflow: hidden;
            flex-shrink: 0
        }
        .server-row .bar-fill {
            height: 100%;
            border-radius: 2px;
            background: linear-gradient(90deg, #3b82f6, #06b6d4)
        }
        .split-text h2 {
            font-size: clamp(1.7rem, 3.5vw, 2.6rem);
            line-height: 1.1;
            margin-bottom: 16px
        }
        .split-text .accent {
            color: #3b82f6
        }
        .split-text p {
            color: var(--muted);
            font-size: .95rem;
            line-height: 1.8;
            margin-bottom: 28px;
            max-width: 440px
        }

        /* Bento 卡片网格 */
        .bento {
            display: grid;
            grid-template-columns: repeat(12, 1fr);
            gap: 14px
        }
        .bento-card {
            border-radius: var(--radius-lg);
            border: 1px solid var(--line);
            background: var(--glass);
            padding: clamp(22px, 3vw, 36px);
            position: relative;
            overflow: hidden;
            transition: all .4s var(--ease)
        }
        .bento-card::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at var(--mx, 50%) var(--my, 50%), rgba(255, 255, 255, .025), transparent 50%);
            pointer-events: none;
            opacity: 0;
            transition: opacity .3s ease
        }
        .bento-card:hover {
            border-color: var(--line-bright);
            transform: translateY(-3px);
            box-shadow: 0 18px 48px rgba(0, 0, 0, .3)
        }
        .bento-card:hover::before {
            opacity: 1
        }
        .bento-card:nth-child(1) {
            grid-column: span 7
        }
        .bento-card:nth-child(2) {
            grid-column: span 5
        }
        .bento-card:nth-child(3) {
            grid-column: span 4
        }
        .bento-card:nth-child(4) {
            grid-column: span 4
        }
        .bento-card:nth-child(5) {
            grid-column: span 4
        }
        .bento-icon {
            width: 42px;
            height: 42px;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 16px;
            font-size: 1.3rem;
            border: 1px solid rgba(255, 255, 255, .06)
        }
        .bento-icon.c1 {
            background: rgba(37, 99, 235, .1)
        }
        .bento-icon.c2 {
            background: rgba(6, 182, 212, .1)
        }
        .bento-icon.c3 {
            background: rgba(16, 185, 129, .1)
        }
        .bento-icon.c4 {
            background: rgba(245, 158, 11, .1)
        }
        .bento-icon.c5 {
            background: rgba(244, 63, 94, .08)
        }
        .bento-card h3 {
            font-size: 1.1rem;
            margin-bottom: 8px;
            font-family: var(--font-display)
        }
        .bento-card p {
            color: var(--muted);
            font-size: .85rem;
            line-height: 1.7
        }
        .big-num {
            font-family: var(--font-display);
            font-size: clamp(2.4rem, 4.5vw, 4rem);
            font-weight: 800;
            line-height: 1;
            background: linear-gradient(135deg, #3b82f6, #06b6d4);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin-bottom: 6px
        }
        .big-num-label {
            font-size: .88rem;
            color: var(--muted)
        }

        /* 场景卡片 */
        .scene-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 14px
        }
        .scene-card {
            border-radius: var(--radius);
            border: 1px solid var(--line);
            background: var(--glass);
            padding: clamp(20px, 2.8vw, 28px);
            transition: all .35s var(--ease);
            position: relative;
            overflow: hidden
        }
        .scene-card:hover {
            border-color: var(--line-bright);
            transform: translateY(-3px);
            box-shadow: 0 14px 36px rgba(0, 0, 0, .22)
        }
        .scene-emoji {
            font-size: 2rem;
            margin-bottom: 12px;
            display: block
        }
        .scene-card h3 {
            font-size: .95rem;
            margin-bottom: 6px
        }
        .scene-card p {
            font-size: .8rem;
            color: var(--muted);
            line-height: 1.65
        }
        .scene-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 5px;
            margin-top: 12px
        }
        .scene-tag {
            font-family: var(--font-mono);
            font-size: .63rem;
            padding: 4px 9px;
            border-radius: 3px;
            border: 1px solid rgba(255, 255, 255, .07);
            color: var(--muted);
            letter-spacing: .03em
        }

        /* 数据统计 */
        .stat-row {
            display: flex;
            gap: clamp(16px, 3vw, 40px);
            flex-wrap: wrap;
            justify-content: center
        }
        .stat-block {
            text-align: center;
            padding: 20px 28px;
            min-width: 150px
        }
        .stat-block .num {
            font-family: var(--font-display);
            font-size: clamp(1.8rem, 3.5vw, 2.6rem);
            font-weight: 800
        }
        .stat-block .num.c1 {
            color: #3b82f6
        }
        .stat-block .num.c2 {
            color: #06b6d4
        }
        .stat-block .num.c3 {
            color: #10b981
        }
        .stat-block .num.c4 {
            color: #f59e0b
        }
        .stat-block .label {
            font-size: .8rem;
            color: var(--muted);
            margin-top: 4px;
            font-family: var(--font-mono)
        }

        /* 步骤区 */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 0;
            position: relative
        }
        .steps-grid::before {
            content: '';
            position: absolute;
            top: 50%;
            left: 8%;
            right: 8%;
            height: 1px;
            background: linear-gradient(90deg, transparent, var(--line), transparent);
            pointer-events: none
        }
        .step-item {
            padding: clamp(20px, 3vw, 40px);
            position: relative;
            text-align: center
        }
        .step-item::after {
            content: '';
            position: absolute;
            top: 50%;
            right: 0;
            width: 1px;
            height: 35%;
            transform: translateY(-50%);
            background: var(--line)
        }
        .step-item:last-child::after {
            display: none
        }
        .step-num {
            font-family: var(--font-display);
            font-size: clamp(2.6rem, 5vw, 4.2rem);
            font-weight: 800;
            line-height: 1;
            background: linear-gradient(180deg, rgba(255, 255, 255, .1), rgba(255, 255, 255, .02));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin-bottom: 16px
        }
        .step-item h3 {
            font-size: 1rem;
            margin-bottom: 8px
        }
        .step-item p {
            color: var(--muted);
            font-size: .82rem;
            line-height: 1.65;
            max-width: 240px;
            margin: 0 auto
        }

        /* CTA */
        .cta-inner {
            position: relative;
            border-radius: var(--radius-xl);
            border: 1px solid var(--line);
            padding: clamp(50px, 7vw, 80px);
            text-align: center;
            overflow: hidden;
            background: var(--glass)
        }
        .cta-inner::before {
            content: '';
            position: absolute;
            top: -180px;
            left: 50%;
            width: 500px;
            height: 500px;
            transform: translateX(-50%);
            background: radial-gradient(circle, rgba(37, 99, 235, .07), rgba(6, 182, 212, .03), transparent 55%);
            pointer-events: none
        }
        .cta-inner::after {
            content: '';
            position: absolute;
            bottom: -80px;
            right: -80px;
            width: 350px;
            height: 350px;
            background: radial-gradient(circle, rgba(16, 185, 129, .04), transparent 55%);
            pointer-events: none
        }
        .cta-inner h2 {
            font-size: clamp(1.8rem, 4.5vw, 3rem);
            line-height: 1.1;
            margin-bottom: 14px;
            position: relative;
            z-index: 1
        }
        .cta-inner p {
            color: var(--muted);
            font-size: .95rem;
            margin-bottom: 32px;
            max-width: 440px;
            margin-left: auto;
            margin-right: auto;
            position: relative;
            z-index: 1
        }
        .cta-inner .hero-btns {
            position: relative;
            z-index: 1;
            justify-content: center
        }

        /* 价格板块 */
        .pricing-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 16px;
            align-items: stretch
        }
        .price-card {
            border-radius: var(--radius-lg);
            border: 1px solid var(--line);
            background: var(--glass);
            padding: clamp(26px, 3vw, 38px) clamp(18px, 2.5vw, 28px);
            text-align: center;
            position: relative;
            transition: all .4s var(--ease);
            display: flex;
            flex-direction: column
        }
        .price-card.featured {
            border-color: rgba(37, 99, 235, .3);
            background: rgba(37, 99, 235, .04);
            box-shadow: 0 0 36px rgba(37, 99, 235, .06)
        }
        .price-card:hover {
            transform: translateY(-5px);
            border-color: var(--line-bright);
            box-shadow: 0 20px 48px rgba(0, 0, 0, .3)
        }
        .price-badge {
            display: inline-block;
            font-family: var(--font-mono);
            font-size: .65rem;
            letter-spacing: .1em;
            text-transform: uppercase;
            color: #fff;
            background: #2563eb;
            padding: 4px 12px;
            border-radius: 16px;
            margin-bottom: 14px;
            font-weight: 600
        }
        .price-card h3 {
            font-size: 1.1rem;
            margin-bottom: 4px
        }
        .price-card .price-desc {
            font-size: .76rem;
            color: var(--muted);
            margin-bottom: 16px
        }
        .price-amount {
            font-family: var(--font-display);
            font-size: 2.6rem;
            font-weight: 800;
            letter-spacing: -.03em;
            margin-bottom: 4px;
            color: var(--ink)
        }
        .price-amount .currency {
            font-size: 1rem;
            vertical-align: super;
            margin-right: 2px;
            color: var(--muted)
        }
        .price-amount .period {
            font-size: .78rem;
            color: var(--muted);
            font-weight: 400;
            letter-spacing: 0
        }
        .price-card .price-save {
            font-size: .72rem;
            color: #10b981;
            font-family: var(--font-mono);
            margin-bottom: 16px
        }
        .price-features {
            text-align: left;
            margin-bottom: 20px;
            flex: 1
        }
        .price-features li {
            font-size: .78rem;
            color: var(--muted);
            padding: 5px 0 5px 18px;
            position: relative;
            line-height: 1.5
        }
        .price-features li::before {
            content: '✓';
            position: absolute;
            left: 0;
            color: #10b981;
            font-size: .65rem;
            top: 6px;
            font-weight: 700
        }
        .price-btn {
            display: block;
            width: 100%;
            padding: 12px;
            border-radius: var(--radius-sm);
            font-weight: 700;
            font-size: .85rem;
            font-family: var(--font-body);
            cursor: pointer;
            border: 1px solid var(--line-bright);
            background: transparent;
            color: var(--ink);
            transition: all .3s var(--ease);
            text-align: center
        }
        .price-btn.featured-btn {
            background: #2563eb;
            color: #fff;
            border-color: transparent
        }
        .price-btn:hover {
            background: rgba(255, 255, 255, .04);
            border-color: rgba(255, 255, 255, .18)
        }
        .price-btn.featured-btn:hover {
            background: #3b82f6;
            box-shadow: 0 6px 22px rgba(37, 99, 235, .35)
        }

        /* FAQ */
        .faq-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 12px;
            max-width: 900px;
            margin: 0 auto
        }
        .faq-item {
            border-radius: var(--radius);
            border: 1px solid var(--line);
            background: var(--glass);
            padding: 20px 22px;
            transition: all .3s var(--ease)
        }
        .faq-item:hover {
            border-color: var(--line-bright);
            background: var(--glass-hover)
        }
        .faq-item h3 {
            font-size: .9rem;
            margin-bottom: 6px;
            font-family: var(--font-body);
            font-weight: 600;
            letter-spacing: 0
        }
        .faq-item p {
            font-size: .8rem;
            color: var(--muted);
            line-height: 1.65
        }

        /* 页脚 */
        .footer {
            position: relative;
            z-index: 1;
            border-top: 1px solid var(--line);
            padding: 50px 0 24px
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2.5fr 1fr 1fr 1fr;
            gap: clamp(20px, 3.5vw, 48px);
            margin-bottom: 36px
        }
        .footer-brand p {
            color: var(--muted);
            font-size: .84rem;
            max-width: 260px;
            line-height: 1.7;
            margin-top: 12px
        }
        .footer-col h4 {
            font-family: var(--font-mono);
            font-size: .72rem;
            font-weight: 500;
            color: var(--ink);
            margin-bottom: 16px;
            letter-spacing: .1em;
            text-transform: uppercase
        }
        .footer-col li {
            margin-bottom: 9px
        }
        .footer-col a {
            color: var(--muted);
            font-size: .84rem;
            transition: all .3s var(--ease)
        }
        .footer-col a:hover {
            color: #3b82f6;
            padding-left: 3px
        }
        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, .04);
            font-size: .74rem;
            color: var(--muted);
            font-family: var(--font-mono)
        }

        /* 滚动动画 */
        .reveal {
            opacity: 0;
            transform: translateY(36px);
            transition: all .7s var(--ease)
        }
        .reveal.show {
            opacity: 1;
            transform: translateY(0)
        }
        .reveal-delay-1 {
            transition-delay: .1s
        }
        .reveal-delay-2 {
            transition-delay: .2s
        }
        .reveal-delay-3 {
            transition-delay: .3s
        }
        .reveal-delay-4 {
            transition-delay: .4s
        }
        .reveal-delay-5 {
            transition-delay: .5s
        }

        /* 响应式 */
        @media(max-width:1024px) {
            .mega-hero {
                grid-template-columns: 1fr;
                min-height: auto;
                padding-top: 90px;
                padding-bottom: 40px
            }
            .hero-left::after {
                display: none
            }
            .hero-right {
                height: 360px;
                order: -1
            }
            .split-layout {
                grid-template-columns: 1fr
            }
            .split-layout.reversed {
                direction: ltr
            }
            .bento-card:nth-child(1) {
                grid-column: span 12
            }
            .bento-card:nth-child(2) {
                grid-column: span 12
            }
            .bento-card:nth-child(3) {
                grid-column: span 6
            }
            .bento-card:nth-child(4) {
                grid-column: span 6
            }
            .bento-card:nth-child(5) {
                grid-column: span 12
            }
            .steps-grid {
                grid-template-columns: 1fr
            }
            .steps-grid::before {
                display: none
            }
            .step-item::after {
                display: none
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr
            }
            .live-grid {
                grid-template-columns: repeat(2, 1fr)
            }
            .pricing-grid {
                grid-template-columns: 1fr;
                max-width: 400px;
                margin: 0 auto
            }
            .scene-grid {
                grid-template-columns: 1fr 1fr
            }
            .faq-grid {
                grid-template-columns: 1fr
            }
        }
        @media(max-width:768px) {
            .nav-right a:not(.nav-download) {
                display: none
            }
            .mobile-btn {
                display: block
            }
            .bento-card:nth-child(3) {
                grid-column: span 12
            }
            .bento-card:nth-child(4) {
                grid-column: span 12
            }
            .footer-grid {
                grid-template-columns: 1fr
            }
            .footer-bottom {
                flex-direction: column;
                gap: 6px;
                text-align: center
            }
            .live-grid {
                grid-template-columns: 1fr 1fr
            }
            .scene-grid {
                grid-template-columns: 1fr
            }
            .pricing-grid {
                max-width: 100%
            }
            .hero-right {
                height: 280px
            }
            .faq-grid {
                grid-template-columns: 1fr
            }
        }
        @media(max-width:480px) {
            .live-grid {
                grid-template-columns: 1fr
            }
            .stat-row {
                gap: 6px
            }
            .stat-block {
                min-width: 110px;
                padding: 14px 10px
            }
            .hero-right {
                height: 220px
            }
        }