:root {
            --bg-body: #06060f;
            --bg-surface: #0d0d1f;
            --bg-card: #13132a;
            --bg-card-hover: #1a1a38;
            --bg-elevated: #0f0f24;
            --border-subtle: rgba(255, 255, 255, 0.05);
            --border-glow: rgba(100, 70, 255, 0.2);
            --border-accent: rgba(124, 77, 255, 0.25);
            --text-primary: #f0edff;
            --text-secondary: #b0acc8;
            --text-muted: #6a6688;
            --accent-1: #7c4dff;
            --accent-2: #b388ff;
            --accent-3: #18c8f0;
            --accent-4: #00e5a0;
            --gradient-main: linear-gradient(135deg, #7c4dff, #18c8f0);
            --gradient-warm: linear-gradient(135deg, #b388ff, #7c4dff);
            --gradient-cool: linear-gradient(135deg, #18c8f0, #00e5a0);
            --shadow-card: 0 12px 48px rgba(0, 0, 0, 0.6);
            --shadow-glow: 0 0 60px rgba(124, 77, 255, 0.08);
            --radius-xl: 28px;
            --radius-lg: 24px;
            --radius-md: 14px;
            --radius-sm: 8px;
            --radius-xs: 6px;
            --transition: 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --transition-fast: 0.2s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --max-width: 1140px;
            --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font);
            background: var(--bg-body);
            color: var(--text-primary);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition-fast);
        }
        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
        }
        img {
            max-width: 100%;
            display: block;
            height: auto;
        }
        ul {
            list-style: none;
        }

        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ========== 按钮系统 ========== */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--gradient-main);
            color: #fff;
            font-weight: 600;
            font-size: 1rem;
            padding: 12px 32px;
            border-radius: 60px;
            transition: var(--transition);
            box-shadow: 0 4px 24px rgba(124, 77, 255, 0.3);
            border: none;
            white-space: nowrap;
            letter-spacing: 0.01em;
        }
        .btn-primary:hover {
            transform: translateY(-2px) scale(1.02);
            box-shadow: 0 8px 40px rgba(124, 77, 255, 0.45);
        }
        .btn-primary:active {
            transform: translateY(0) scale(0.98);
        }
        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.05);
            color: var(--text-secondary);
            font-weight: 500;
            padding: 12px 32px;
            border-radius: 60px;
            border: 1px solid rgba(255, 255, 255, 0.08);
            transition: var(--transition);
            backdrop-filter: blur(4px);
            white-space: nowrap;
            letter-spacing: 0.01em;
        }
        .btn-secondary:hover {
            background: rgba(255, 255, 255, 0.10);
            border-color: rgba(124, 77, 255, 0.3);
            color: #fff;
            transform: translateY(-2px);
        }
        .btn-outline-sm {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 0.82rem;
            font-weight: 500;
            color: var(--accent-2);
            padding: 6px 16px;
            border-radius: 30px;
            border: 1px solid rgba(179, 136, 255, 0.2);
            transition: var(--transition-fast);
            background: rgba(179, 136, 255, 0.04);
        }
        .btn-outline-sm:hover {
            background: rgba(179, 136, 255, 0.12);
            border-color: rgba(179, 136, 255, 0.4);
            color: #fff;
        }

        /* ========== 导航栏 ========== */
        .navbar {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(6, 6, 15, 0.72);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-subtle);
            transition: var(--transition);
        }
        .navbar.scrolled {
            background: rgba(6, 6, 15, 0.94);
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.55);
            border-bottom-color: rgba(255, 255, 255, 0.06);
        }
        .navbar .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
        }
        .nav-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-weight: 700;
            font-size: 1.2rem;
            letter-spacing: -0.02em;
            flex-shrink: 0;
        }
        .nav-logo .logo-badge {
            width: 32px;
            height: 32px;
            background: var(--gradient-main);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 0.9rem;
            color: #fff;
            box-shadow: 0 0 14px rgba(124, 77, 255, 0.3);
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 30px;
            list-style: none;
        }
        .nav-links a {
            font-size: 0.88rem;
            font-weight: 500;
            color: var(--text-secondary);
            transition: var(--transition-fast);
            letter-spacing: 0.01em;
            position: relative;
        }
        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: -4px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent-2);
            border-radius: 1px;
            transition: width 0.3s ease;
        }
        .nav-links a:hover {
            color: #fff;
        }
        .nav-links a:hover::after {
            width: 100%;
        }
        .nav-links a.active {
            color: #b388ff;
        }
        .nav-links a.active::after {
            width: 100%;
            background: var(--accent-2);
        }
        .nav-cta {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-shrink: 0;
        }
        .nav-cta .btn-primary {
            padding: 8px 22px;
            font-size: 0.85rem;
            box-shadow: 0 2px 16px rgba(124, 77, 255, 0.25);
        }
        .nav-hamburger {
            display: none;
            flex-direction: column;
            gap: 4px;
            padding: 6px;
            cursor: pointer;
            z-index: 1001;
        }
        .nav-hamburger span {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--text-primary);
            border-radius: 2px;
            transition: var(--transition);
            transform-origin: center;
        }
        .nav-hamburger.active span:nth-child(1) {
            transform: rotate(45deg) translate(4px, 4px);
        }
        .nav-hamburger.active span:nth-child(2) {
            opacity: 0;
            transform: scaleX(0);
        }
        .nav-hamburger.active span:nth-child(3) {
            transform: rotate(-45deg) translate(4px, -4px);
        }

        /* ========== Hero 区域 ========== */
        .hero {
            padding: 150px 0 70px;
            background: var(--bg-body);
            position: relative;
            overflow: hidden;
            text-align: center;
        }
        .hero::before {
            content: '';
            position: absolute;
            top: -35%;
            left: 50%;
            transform: translateX(-50%);
            width: 900px;
            height: 900px;
            background: radial-gradient(circle, rgba(124, 77, 255, 0.055) 0%, rgba(24, 200, 240, 0.025) 35%, transparent 68%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero::after {
            content: '';
            position: absolute;
            bottom: -20%;
            right: -15%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(0, 229, 160, 0.03) 0%, transparent 60%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero .container {
            position: relative;
            z-index: 1;
            max-width: 820px;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(124, 77, 255, 0.10);
            border: 1px solid rgba(124, 77, 255, 0.12);
            padding: 5px 20px;
            border-radius: 40px;
            font-size: 0.74rem;
            font-weight: 600;
            color: #b388ff;
            text-transform: uppercase;
            letter-spacing: 0.05em;
            margin-bottom: 22px;
        }
        .hero-badge .pulse {
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: #18c8f0;
            display: inline-block;
            animation: pulse 2s infinite;
            box-shadow: 0 0 8px rgba(24, 200, 240, 0.6);
        }
        @keyframes pulse {
            0%,
            100% {
                opacity: 1;
                transform: scale(1);
            }
            50% {
                opacity: 0.25;
                transform: scale(0.65);
            }
        }
        @keyframes float {
            0%,
            100% {
                transform: translateY(0);
            }
            50% {
                transform: translateY(-10px);
            }
        }
        .hero h1 {
            font-size: 3.9rem;
            font-weight: 800;
            letter-spacing: -0.035em;
            line-height: 1.08;
            margin-bottom: 18px;
        }
        .hero h1 .highlight {
            background: linear-gradient(135deg, #b388ff 0%, #18c8f0 70%, #00e5a0 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero h1 .version {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text-secondary);
            -webkit-text-fill-color: var(--text-secondary);
            background: rgba(255, 255, 255, 0.04);
            padding: 2px 16px;
            border-radius: 40px;
            display: inline-block;
            margin-left: 8px;
            vertical-align: middle;
            border: 1px solid rgba(255, 255, 255, 0.06);
        }
        .hero p {
            font-size: 1.22rem;
            color: var(--text-secondary);
            max-width: 620px;
            margin: 0 auto 30px;
            line-height: 1.9;
            letter-spacing: 0.005em;
        }
        .hero .actions {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 14px;
            margin-bottom: 44px;
        }
        .hero .stats {
            display: flex;
            justify-content: center;
            gap: 52px;
            padding-top: 22px;
            border-top: 1px solid var(--border-subtle);
            flex-wrap: wrap;
        }
        .hero .stats .item {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 2px;
        }
        .hero .stats .num {
            font-size: 1.9rem;
            font-weight: 700;
            letter-spacing: -0.02em;
            background: linear-gradient(135deg, #f0edff, #b388ff);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero .stats .label {
            font-size: 0.78rem;
            color: var(--text-muted);
            letter-spacing: 0.03em;
            text-transform: uppercase;
        }
        .hero-image {
            margin-top: 44px;
            max-width: 700px;
            margin-left: auto;
            margin-right: auto;
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-subtle);
            box-shadow: 0 20px 80px rgba(0, 0, 0, 0.5), var(--shadow-glow);
            background: var(--bg-surface);
            animation: float 6s ease-in-out infinite;
        }
        .hero-image img {
            width: 100%;
            height: auto;
            display: block;
            aspect-ratio: 16/9;
            object-fit: cover;
            background: var(--bg-card);
        }

        /* ========== 通用区块标签 ========== */
        .section-label {
            text-align: center;
            margin-bottom: 50px;
        }
        .section-label .badge {
            display: inline-block;
            font-size: 0.7rem;
            font-weight: 600;
            padding: 3px 18px;
            border-radius: 30px;
            text-transform: uppercase;
            letter-spacing: 0.06em;
            margin-bottom: 10px;
        }
        .section-label h2 {
            font-size: 2.3rem;
            font-weight: 700;
            letter-spacing: -0.025em;
            line-height: 1.25;
            margin-bottom: 6px;
        }
        .section-label p {
            color: var(--text-secondary);
            max-width: 520px;
            margin: 8px auto 0;
            font-size: 0.95rem;
            line-height: 1.8;
        }

        /* ========== 安全通讯三部曲 ========== */
        .encryption-flow {
            padding: 80px 0 60px;
            background: var(--bg-surface);
            position: relative;
        }
        .encryption-flow .section-label .badge {
            background: rgba(124, 77, 255, 0.07);
            color: #b388ff;
            border: 1px solid rgba(124, 77, 255, 0.07);
        }
        .encryption-flow .section-label h2 {
            background: linear-gradient(135deg, #f0edff, #b388ff);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .flow-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .flow-card {
            background: var(--bg-card);
            padding: 30px 24px;
            border-radius: var(--radius-md);
            border: 1px solid var(--border-subtle);
            transition: var(--transition);
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .flow-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 60%;
            height: 2px;
            background: var(--gradient-main);
            border-radius: 0 0 2px 2px;
            opacity: 0;
            transition: opacity 0.4s ease;
        }
        .flow-card:hover::before {
            opacity: 1;
        }
        .flow-card:hover {
            border-color: rgba(124, 77, 255, 0.22);
            transform: translateY(-5px);
            box-shadow: var(--shadow-card);
            background: var(--bg-card-hover);
        }
        .flow-card .step-badge {
            display: inline-block;
            font-size: 0.68rem;
            font-weight: 700;
            color: #18c8f0;
            background: rgba(24, 200, 240, 0.07);
            padding: 2px 14px;
            border-radius: 20px;
            margin-bottom: 14px;
            letter-spacing: 0.05em;
            text-transform: uppercase;
        }
        .flow-card .flow-icon {
            font-size: 2.6rem;
            display: block;
            margin-bottom: 12px;
            transition: transform 0.4s ease;
        }
        .flow-card:hover .flow-icon {
            transform: scale(1.1);
        }
        .flow-card h3 {
            font-size: 1.08rem;
            font-weight: 700;
            margin-bottom: 8px;
            letter-spacing: -0.01em;
        }
        .flow-card p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.75;
        }

        /* ========== 为何信赖 SafeW（新增创意版块） ========== */
        .why-safew {
            padding: 75px 0 70px;
            background: var(--bg-body);
            position: relative;
        }
        .why-safew .section-label .badge {
            background: rgba(0, 229, 160, 0.07);
            color: #00e5a0;
            border: 1px solid rgba(0, 229, 160, 0.07);
        }
        .why-safew .section-label h2 {
            background: linear-gradient(135deg, #f0edff, #00e5a0);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .why-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 22px;
        }
        .why-card {
            background: var(--bg-card);
            padding: 26px 20px;
            border-radius: var(--radius-md);
            border: 1px solid var(--border-subtle);
            text-align: center;
            transition: var(--transition);
            position: relative;
        }
        .why-card:hover {
            border-color: rgba(0, 229, 160, 0.2);
            transform: translateY(-4px);
            box-shadow: 0 16px 40px rgba(0, 0, 0, 0.5);
        }
        .why-card .why-icon-wrap {
            width: 52px;
            height: 52px;
            margin: 0 auto 14px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid var(--border-subtle);
            transition: var(--transition-fast);
        }
        .why-card:hover .why-icon-wrap {
            background: rgba(0, 229, 160, 0.06);
            border-color: rgba(0, 229, 160, 0.2);
            box-shadow: 0 0 24px rgba(0, 229, 160, 0.08);
        }
        .why-card h4 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 6px;
            letter-spacing: -0.01em;
        }
        .why-card p {
            font-size: 0.84rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }
        .why-card .why-highlight {
            display: inline-block;
            margin-top: 10px;
            font-size: 0.72rem;
            font-weight: 600;
            color: #00e5a0;
            letter-spacing: 0.04em;
            text-transform: uppercase;
        }

        /* ========== 技术护城河（重新设计的 specs） ========== */
        .tech-moat {
            padding: 75px 0 70px;
            background: var(--bg-elevated);
            position: relative;
        }
        .tech-moat .section-label .badge {
            background: rgba(24, 200, 240, 0.07);
            color: #18c8f0;
            border: 1px solid rgba(24, 200, 240, 0.07);
        }
        .tech-moat .section-label h2 {
            background: linear-gradient(135deg, #f0edff, #18c8f0);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .moat-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 22px;
            max-width: 860px;
            margin: 0 auto;
        }
        .moat-item {
            background: var(--bg-card);
            padding: 20px 24px;
            border-radius: var(--radius-md);
            border: 1px solid var(--border-subtle);
            display: flex;
            align-items: center;
            gap: 16px;
            transition: var(--transition);
        }
        .moat-item:hover {
            border-color: rgba(24, 200, 240, 0.18);
            background: var(--bg-card-hover);
            box-shadow: 0 8px 28px rgba(0, 0, 0, 0.4);
        }
        .moat-item .moat-icon {
            font-size: 1.9rem;
            flex-shrink: 0;
            transition: transform 0.3s ease;
        }
        .moat-item:hover .moat-icon {
            transform: scale(1.12);
        }
        .moat-item .moat-content {
            flex: 1;
            min-width: 0;
        }
        .moat-item .moat-content .name {
            font-weight: 600;
            font-size: 0.95rem;
            letter-spacing: -0.005em;
        }
        .moat-item .moat-content .desc {
            font-size: 0.84rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }
        .moat-item .moat-tag {
            font-size: 0.68rem;
            color: var(--text-muted);
            background: rgba(255, 255, 255, 0.025);
            padding: 2px 12px;
            border-radius: 20px;
            border: 1px solid var(--border-subtle);
            white-space: nowrap;
            letter-spacing: 0.03em;
        }

        /* ========== 应用场景（新增创意版块） ========== */
        .use-cases {
            padding: 75px 0 70px;
            background: var(--bg-surface);
            position: relative;
        }
        .use-cases .section-label .badge {
            background: rgba(179, 136, 255, 0.07);
            color: #b388ff;
            border: 1px solid rgba(179, 136, 255, 0.07);
        }
        .use-cases .section-label h2 {
            background: linear-gradient(135deg, #f0edff, #b388ff);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .cases-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 26px;
        }
        .case-card {
            background: var(--bg-card);
            padding: 28px 22px;
            border-radius: var(--radius-md);
            border: 1px solid var(--border-subtle);
            transition: var(--transition);
            text-align: left;
            position: relative;
        }
        .case-card:hover {
            border-color: rgba(179, 136, 255, 0.2);
            transform: translateY(-4px);
            box-shadow: var(--shadow-card);
        }
        .case-card .case-emoji {
            font-size: 2.2rem;
            display: block;
            margin-bottom: 12px;
        }
        .case-card h4 {
            font-size: 1.02rem;
            font-weight: 700;
            margin-bottom: 6px;
            letter-spacing: -0.01em;
        }
        .case-card p {
            font-size: 0.86rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }
        .case-card .case-tag-row {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
            margin-top: 12px;
        }
        .case-card .case-tag-row span {
            font-size: 0.68rem;
            padding: 3px 10px;
            border-radius: 14px;
            background: rgba(179, 136, 255, 0.06);
            color: #b388ff;
            border: 1px solid rgba(179, 136, 255, 0.1);
            letter-spacing: 0.02em;
        }

        /* ========== 开源透明度（社区模块更新） ========== */
        .open-source {
            padding: 75px 0 70px;
            background: var(--bg-body);
            position: relative;
        }
        .open-source .section-label .badge {
            background: rgba(124, 77, 255, 0.07);
            color: #b388ff;
            border: 1px solid rgba(124, 77, 255, 0.07);
        }
        .open-source .section-label h2 {
            background: linear-gradient(135deg, #f0edff, #b388ff);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .opensource-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .opensource-card {
            background: var(--bg-card);
            padding: 28px 24px;
            border-radius: var(--radius-md);
            border: 1px solid var(--border-subtle);
            text-align: center;
            transition: var(--transition);
        }
        .opensource-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card);
            border-color: rgba(124, 77, 255, 0.18);
        }
        .opensource-card .os-emoji {
            font-size: 2.5rem;
            display: block;
            margin-bottom: 10px;
        }
        .opensource-card h4 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 6px;
        }
        .opensource-card p {
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }
        .opensource-card .link {
            display: inline-block;
            margin-top: 14px;
            color: #b388ff;
            font-weight: 500;
            font-size: 0.88rem;
            border-bottom: 1px solid transparent;
            transition: var(--transition-fast);
        }
        .opensource-card .link:hover {
            border-bottom-color: #b388ff;
        }

        /* ========== Footer ========== */
        .footer {
            background: #03030a;
            padding: 54px 0 30px;
            border-top: 1px solid var(--border-subtle);
        }
        .footer .container {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 28px;
        }
        .footer-brand .logo {
            font-size: 1.2rem;
            font-weight: 700;
            display: flex;
            align-items: center;
            gap: 8px;
            color: #fff;
            margin-bottom: 10px;
        }
        .footer-brand .logo .badge {
            width: 28px;
            height: 28px;
            background: var(--gradient-main);
            border-radius: 6px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.8rem;
            font-weight: 800;
            color: #fff;
        }
        .footer-brand p {
            font-size: 0.86rem;
            color: rgba(255, 255, 255, 0.38);
            max-width: 300px;
            line-height: 1.8;
        }
        .footer-col h4 {
            color: #fff;
            font-size: 0.9rem;
            font-weight: 600;
            margin-bottom: 14px;
            letter-spacing: 0.02em;
        }
        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 7px;
        }
        .footer-col ul li {
            font-size: 0.84rem;
            color: rgba(255, 255, 255, 0.38);
            transition: var(--transition-fast);
            cursor: pointer;
        }
        .footer-col ul li:hover {
            color: #fff;
        }
        .footer-col .contact {
            font-size: 0.84rem;
            color: rgba(255, 255, 255, 0.38);
            margin-bottom: 5px;
            line-height: 1.6;
        }
        .footer-col .contact strong {
            color: rgba(255, 255, 255, 0.65);
            font-weight: 500;
        }
        .footer-bottom {
            border-top: 1px solid var(--border-subtle);
            padding-top: 20px;
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 14px;
            font-size: 0.78rem;
            color: rgba(255, 255, 255, 0.28);
            max-width: var(--max-width);
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }
        .footer-bottom .info-group {
            display: flex;
            flex-wrap: wrap;
            gap: 22px;
        }

        /* ========== 响应式 ========== */
        @media (max-width: 1024px) {
            .hero h1 {
                font-size: 3rem;
            }
            .flow-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .why-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .cases-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .opensource-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .moat-grid {
                grid-template-columns: 1fr;
            }
            .footer .container {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .navbar .container {
                height: 60px;
            }
            .nav-links {
                position: fixed;
                top: 60px;
                left: 0;
                right: 0;
                background: rgba(6, 6, 15, 0.97);
                backdrop-filter: blur(24px);
                -webkit-backdrop-filter: blur(24px);
                flex-direction: column;
                padding: 28px 20px;
                gap: 18px;
                box-shadow: 0 20px 60px rgba(0, 0, 0, 0.85);
                transform: translateY(-130%);
                transition: var(--transition);
                border-bottom: 1px solid var(--border-subtle);
                align-items: stretch;
                text-align: center;
                z-index: 999;
            }
            .nav-links.open {
                transform: translateY(0);
            }
            .nav-links a {
                padding: 10px 0;
                font-size: 1rem;
                display: block;
            }
            .nav-cta .btn-primary {
                display: none;
            }
            .nav-hamburger {
                display: flex;
            }

            .hero {
                padding: 115px 0 40px;
            }
            .hero h1 {
                font-size: 2.3rem;
            }
            .hero p {
                font-size: 1rem;
            }
            .hero .stats {
                gap: 24px;
                flex-wrap: wrap;
            }
            .hero .stats .num {
                font-size: 1.4rem;
            }

            .flow-grid {
                grid-template-columns: 1fr;
            }
            .why-grid {
                grid-template-columns: 1fr 1fr;
            }
            .cases-grid {
                grid-template-columns: 1fr;
            }
            .opensource-grid {
                grid-template-columns: 1fr;
            }
            .moat-grid {
                grid-template-columns: 1fr;
            }
            .footer .container {
                grid-template-columns: 1fr;
                gap: 26px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: center;
                text-align: center;
            }
            .footer-bottom .info-group {
                justify-content: center;
            }
            .section-label h2 {
                font-size: 1.7rem;
            }
        }

        @media (max-width: 480px) {
            .hero h1 {
                font-size: 1.75rem;
            }
            .hero .actions {
                flex-direction: column;
                align-items: center;
                width: 100%;
            }
            .hero .actions .btn-primary,
            .hero .actions .btn-secondary {
                width: 100%;
                justify-content: center;
            }
            .why-grid {
                grid-template-columns: 1fr;
            }
            .container {
                padding: 0 16px;
            }
            .hero-image {
                border-radius: var(--radius-md);
            }
        }