/* ================================
   OpenFullNode - 样式文件
   修改指南：
   - 主题颜色在 :root 中定义
   - 各部分样式按区块划分
   ================================ */

/* === 基础变量 === */
:root {
    /* 主题色 - 修改这里可以改变整体配色 */
    --primary-color: #6366f1;
    --primary-light: #818cf8;
    --primary-dark: #4f46e5;
    --accent-color: #06b6d4;
    --accent-light: #22d3ee;

    /* 背景色 */
    --bg-dark: #0a0a0f;
    --bg-card: rgba(20, 20, 35, 0.8);
    --bg-card-hover: rgba(30, 30, 50, 0.9);

    /* 文字颜色 */
    --text-primary: #ffffff;
    --text-secondary: rgba(255, 255, 255, 0.7);
    --text-muted: rgba(255, 255, 255, 0.5);

    /* 边框和特效 */
    --border-color: rgba(255, 255, 255, 0.1);
    --glow-primary: 0 0 40px rgba(99, 102, 241, 0.3);
    --glow-accent: 0 0 40px rgba(6, 182, 212, 0.3);

    /* 渐变 */
    --gradient-primary: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    --gradient-bg: linear-gradient(180deg, var(--bg-dark) 0%, #0f0f1a 100%);

    /* 间距 */
    --section-padding: 120px 0;
    --container-width: 1200px;

    /* 字体 */
    --font-primary: 'Inter', 'Noto Sans SC', -apple-system, sans-serif;

    /* 圆角 */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;

    /* 过渡 */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* === 基础样式重置 === */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    background: var(--gradient-bg);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition-fast);
}

/* === 粒子背景 === */
#particles-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
    background:
        radial-gradient(ellipse at 20% 20%, rgba(99, 102, 241, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 80%, rgba(6, 182, 212, 0.1) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 50%, rgba(139, 92, 246, 0.05) 0%, transparent 70%);
}

/* === 导航栏 === */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 20px 0;
    background: rgba(10, 10, 15, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
}

.nav-container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 40px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-icon {
    font-size: 28px;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.logo-img {
    height: 40px;
    width: auto;
}

.logo-text {
    font-size: 22px;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 40px;
    list-style: none;
}

.nav-links a {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
}

.nav-links a:hover {
    color: var(--text-primary);
}

.nav-right {
    display: flex;
    align-items: center;
    gap: 28px;
    margin-left: auto;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 20px;
}

.lang-toggle {
    padding: 10px 22px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
    background: transparent;
    color: var(--text-secondary);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition-fast);
}

.lang-toggle:hover {
    color: var(--text-primary);
    border-color: rgba(255, 255, 255, 0.4);
    transform: translateY(-1px);
}

.btn-nav {
    padding: 10px 24px;
    background: var(--gradient-primary);
    border-radius: var(--radius-sm);
    color: white !important;
}

.btn-nav:hover {
    box-shadow: var(--glow-primary);
    transform: translateY(-2px);
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 6px;
    cursor: pointer;
}

.mobile-menu-btn span {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: var(--transition-fast);
}

/* === 按钮样式 === */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    border-radius: var(--radius-sm);
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: var(--transition-normal);
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
}

.btn-primary:hover {
    box-shadow: var(--glow-primary);
    transform: translateY(-3px);
}

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--text-secondary);
}

.btn-full {
    width: 100%;
    justify-content: center;
}

/* === Hero 区域 === */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 140px 40px 80px;
    max-width: var(--container-width);
    margin: 0 auto;
    z-index: 1;
}

.hero-content {
    flex: 1;
    max-width: 680px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 8px 16px;
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid rgba(99, 102, 241, 0.3);
    border-radius: 50px;
    font-size: 13px;
    font-weight: 500;
    color: var(--primary-light);
    margin-bottom: 24px;
}

.badge-dot {
    width: 8px;
    height: 8px;
    background: var(--accent-color);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.5;
    }
}

.hero-title {
    font-size: 56px;
    font-weight: 700;
    line-height: 1.15;
    letter-spacing: -1.5px;
    margin-bottom: 24px;
}

.gradient-text {
    display: block;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 18px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 40px;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    margin-bottom: 60px;
}

.hero-stats {
    display: flex;
    align-items: center;
    gap: 40px;
}

.stat-item {
    text-align: left;
}

.stat-number {
    font-size: 36px;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-suffix {
    font-size: 20px;
    color: var(--primary-light);
    font-weight: 600;
}

.stat-label {
    display: block;
    font-size: 13px;
    color: var(--text-muted);
    margin-top: 4px;
}

.stat-divider {
    width: 1px;
    height: 50px;
    background: var(--border-color);
}

/* Hero 视觉效果 */
.hero-visual {
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 500px;
    height: 500px;
    pointer-events: none;
}

.floating-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(60px);
    animation: float 6s ease-in-out infinite;
}

.orb-1 {
    width: 300px;
    height: 300px;
    background: rgba(99, 102, 241, 0.4);
    top: 20%;
    right: 20%;
    animation-delay: 0s;
}

.orb-2 {
    width: 200px;
    height: 200px;
    background: rgba(6, 182, 212, 0.3);
    top: 50%;
    right: 40%;
    animation-delay: 2s;
}

.orb-3 {
    width: 150px;
    height: 150px;
    background: rgba(139, 92, 246, 0.3);
    top: 30%;
    right: 10%;
    animation-delay: 4s;
}

@keyframes float {

    0%,
    100% {
        transform: translateY(0) scale(1);
    }

    50% {
        transform: translateY(-30px) scale(1.05);
    }
}

/* === 通用区块样式 === */
.section-container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 40px;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-tag {
    display: inline-block;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 2px;
    color: var(--accent-color);
    margin-bottom: 16px;
}

.section-title {
    font-size: 40px;
    font-weight: 700;
    margin-bottom: 16px;
    letter-spacing: -0.5px;
}

.section-desc {
    font-size: 18px;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* === 核心能力区域 === */
.features {
    padding: var(--section-padding);
    position: relative;
    z-index: 1;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 36px;
    transition: var(--transition-normal);
}

.feature-card:hover {
    background: var(--bg-card-hover);
    border-color: rgba(99, 102, 241, 0.3);
    transform: translateY(-5px);
    box-shadow: var(--glow-primary);
}

.feature-icon {
    width: 56px;
    height: 56px;
    background: var(--gradient-primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.feature-icon svg {
    width: 28px;
    height: 28px;
    stroke: white;
}

.feature-card h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 12px;
}

.feature-card p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* === 全球网络区域 === */
.network {
    padding: var(--section-padding);
    position: relative;
    z-index: 1;
    background: linear-gradient(180deg, transparent 0%, rgba(99, 102, 241, 0.03) 50%, transparent 100%);
}

.network-visual {
    margin-bottom: 60px;
}

.world-map {
    position: relative;
    width: 100%;
    height: 400px;
    background:
        radial-gradient(ellipse at center, rgba(99, 102, 241, 0.1) 0%, transparent 70%);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
}

.node-point {
    position: absolute;
    left: var(--x);
    top: var(--y);
    transform: translate(-50%, -50%);
    cursor: pointer;
}

.node-pulse {
    position: absolute;
    width: 40px;
    height: 40px;
    background: rgba(6, 182, 212, 0.3);
    border-radius: 50%;
    animation: nodePulse 2s ease-out infinite;
}

@keyframes nodePulse {
    0% {
        transform: scale(0.5);
        opacity: 1;
    }

    100% {
        transform: scale(2);
        opacity: 0;
    }
}

.node-dot {
    position: relative;
    display: block;
    width: 16px;
    height: 16px;
    background: var(--accent-color);
    border-radius: 50%;
    border: 3px solid var(--bg-dark);
    box-shadow: 0 0 20px var(--accent-color);
}

.node-label {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    margin-top: 12px;
    font-size: 12px;
    font-weight: 500;
    color: var(--text-secondary);
    white-space: nowrap;
    background: rgba(10, 10, 15, 0.9);
    padding: 4px 12px;
    border-radius: 4px;
}

.network-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.network-stat {
    display: flex;
    align-items: center;
    gap: 16px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 24px;
}

.stat-icon {
    font-size: 32px;
}

.stat-info {
    display: flex;
    flex-direction: column;
}

.stat-value {
    font-size: 24px;
    font-weight: 700;
}

.stat-name {
    font-size: 13px;
    color: var(--text-muted);
}

/* === 应用场景区域 === */
.use-cases {
    padding: var(--section-padding);
    position: relative;
    z-index: 1;
}

.use-cases-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.use-case-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 40px;
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.use-case-card:hover {
    border-color: rgba(99, 102, 241, 0.3);
    transform: translateY(-3px);
}

.use-case-number {
    font-size: 64px;
    font-weight: 800;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.2) 0%, rgba(6, 182, 212, 0.1) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: absolute;
    top: 20px;
    right: 30px;
}

.use-case-card h3 {
    font-size: 22px;
    font-weight: 600;
    margin-bottom: 12px;
}

.use-case-card p {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.7;
    max-width: 320px;
}

/* === 技术文档区域 === */
.docs {
    padding: var(--section-padding);
    position: relative;
    z-index: 1;
    background: linear-gradient(180deg, transparent 0%, rgba(6, 182, 212, 0.03) 50%, transparent 100%);
}

.docs-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.doc-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 32px;
    text-align: center;
    transition: var(--transition-normal);
}

.doc-card:hover {
    background: var(--bg-card-hover);
    border-color: rgba(6, 182, 212, 0.3);
    transform: translateY(-5px);
}

.doc-icon {
    font-size: 40px;
    margin-bottom: 16px;
}

.doc-card h3 {
    font-size: 17px;
    font-weight: 600;
    margin-bottom: 8px;
}

.doc-card p {
    font-size: 13px;
    color: var(--text-muted);
    margin-bottom: 16px;
}

.doc-link {
    font-size: 14px;
    font-weight: 600;
    color: var(--accent-color);
}

/* === 联系区域 === */
.contact {
    padding: var(--section-padding);
    position: relative;
    z-index: 1;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.contact-info h2 {
    font-size: 36px;
    font-weight: 700;
    margin: 16px 0;
}

.contact-info>p {
    font-size: 16px;
    color: var(--text-secondary);
    margin-bottom: 40px;
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.contact-method {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
}

.method-icon {
    font-size: 24px;
}

.method-info {
    display: flex;
    flex-direction: column;
}

.method-label {
    font-size: 12px;
    color: var(--text-muted);
}

.method-value {
    font-size: 15px;
    font-weight: 500;
}

.contact-form {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 40px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 16px 20px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-size: 15px;
    color: var(--text-primary);
    font-family: var(--font-primary);
    transition: var(--transition-fast);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-muted);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    background: rgba(99, 102, 241, 0.05);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* === 页脚 === */
.footer {
    border-top: 1px solid var(--border-color);
    padding: 60px 0 40px;
    position: relative;
    z-index: 1;
}

.footer-container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 40px;
}

.footer-main {
    display: flex;
    justify-content: space-between;
    margin-bottom: 60px;
}

.footer-brand p {
    margin-top: 20px;
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.8;
}

.footer-links {
    display: flex;
    gap: 80px;
}

.footer-column h4 {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 20px;
    color: var(--text-primary);
}

.footer-column a {
    display: block;
    font-size: 13px;
    color: var(--text-muted);
    margin-bottom: 12px;
}

.footer-column a:hover {
    color: var(--text-primary);
}

.footer-bottom {
    padding-top: 30px;
    border-top: 1px solid var(--border-color);
    text-align: center;
}

.footer-bottom p {
    font-size: 13px;
    color: var(--text-muted);
}

/* === 响应式设计 === */
@media (max-width: 1024px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .docs-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .network-stats {
        grid-template-columns: repeat(2, 1fr);
    }

    .hero-visual {
        display: none;
    }
}

@media (max-width: 768px) {
    :root {
        --section-padding: 80px 0;
    }

    .nav-links {
        display: none;
        position: absolute;
        top: 72px;
        right: 20px;
        flex-direction: column;
        gap: 16px;
        padding: 20px 24px;
        background: rgba(10, 10, 15, 0.95);
        border: 1px solid var(--border-color);
        border-radius: var(--radius-lg);
        box-shadow: var(--glow-primary);
    }

    .nav-links.active {
        display: flex;
    }

    .nav-right {
        gap: 16px;
    }

    .lang-toggle {
        padding: 8px 18px;
        font-size: 12px;
    }

    .mobile-menu-btn {
        display: flex;
    }

    .hero {
        padding: 120px 20px 60px;
    }

    .hero-title {
        font-size: 36px;
    }

    .hero-subtitle {
        font-size: 16px;
    }

    .hero-buttons {
        flex-direction: column;
    }

    .hero-stats {
        flex-wrap: wrap;
        gap: 20px;
    }

    .stat-divider {
        display: none;
    }

    .section-container {
        padding: 0 20px;
    }

    .section-title {
        font-size: 28px;
    }

    .features-grid,
    .use-cases-grid,
    .docs-grid,
    .network-stats {
        grid-template-columns: 1fr;
    }

    .contact-content {
        grid-template-columns: 1fr;
    }

    .footer-main {
        flex-direction: column;
        gap: 40px;
    }

    .footer-links {
        flex-wrap: wrap;
        gap: 40px;
    }
}

/* ================================
   子页面样式
   ================================ */

/* === 页面头部 === */
.page-hero {
    padding: 160px 0 80px;
    text-align: center;
    position: relative;
    z-index: 1;
}

.page-hero-content h1 {
    font-size: 48px;
    font-weight: 700;
    margin: 16px 0;
}

.page-hero-content p {
    font-size: 18px;
    color: var(--text-secondary);
}

/* === 内容区块 === */
.content-section {
    padding: 80px 0;
    position: relative;
    z-index: 1;
}

.content-section.alt-bg {
    background: linear-gradient(180deg, transparent 0%, rgba(99, 102, 241, 0.03) 50%, transparent 100%);
}

/* === 内容网格 === */
.content-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.content-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 36px;
    transition: var(--transition-normal);
}

.content-card:hover {
    border-color: rgba(99, 102, 241, 0.3);
    transform: translateY(-3px);
}

.card-icon {
    font-size: 40px;
    margin-bottom: 20px;
}

.content-card h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 12px;
}

.content-card p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 16px;
}

.feature-list {
    list-style: none;
}

.feature-list li {
    font-size: 13px;
    color: var(--text-muted);
    padding: 6px 0;
    border-top: 1px solid var(--border-color);
}

.feature-list li:first-child {
    border-top: none;
}

/* === 服务等级卡片 === */
.tier-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.tier-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 36px;
    text-align: center;
    position: relative;
    transition: var(--transition-normal);
}

.tier-card.featured {
    border-color: var(--primary-color);
    box-shadow: var(--glow-primary);
}

.tier-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient-primary);
    color: white;
    font-size: 12px;
    font-weight: 600;
    padding: 6px 16px;
    border-radius: 20px;
}

.tier-header h3 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 8px;
}

.tier-header p {
    font-size: 14px;
    color: var(--text-muted);
    margin-bottom: 24px;
}

.tier-features {
    list-style: none;
    text-align: left;
    margin-bottom: 24px;
}

.tier-features li {
    font-size: 14px;
    color: var(--text-secondary);
    padding: 10px 0;
    border-bottom: 1px solid var(--border-color);
}

/* === API 页面样式 === */
.api-intro {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.api-info h2 {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 16px;
}

.api-info p {
    font-size: 16px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 24px;
}

.api-features {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.api-feature {
    background: rgba(99, 102, 241, 0.1);
    border: 1px solid rgba(99, 102, 241, 0.3);
    border-radius: 20px;
    padding: 8px 16px;
    font-size: 13px;
    color: var(--primary-light);
}

.code-block {
    background: rgba(0, 0, 0, 0.4);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.code-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 20px;
    background: rgba(255, 255, 255, 0.05);
    border-bottom: 1px solid var(--border-color);
}

.code-lang {
    font-size: 12px;
    color: var(--text-muted);
}

.copy-btn {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    padding: 4px 12px;
    border-radius: 4px;
    font-size: 12px;
    cursor: pointer;
}

.code-block pre {
    padding: 20px;
    overflow-x: auto;
}

.code-block code {
    font-family: 'Monaco', 'Menlo', monospace;
    font-size: 13px;
    line-height: 1.6;
    color: var(--accent-light);
}

/* === 步骤卡片 === */
.steps-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.step-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 36px;
    text-align: center;
}

.step-number {
    font-size: 48px;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 16px;
}

.step-card h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 12px;
}

.step-card p {
    font-size: 14px;
    color: var(--text-secondary);
}

/* === SDK 网格 === */
.sdk-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.sdk-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 32px;
    text-align: center;
    transition: var(--transition-normal);
}

.sdk-card:hover {
    border-color: rgba(99, 102, 241, 0.3);
}

.sdk-icon {
    font-size: 40px;
    margin-bottom: 16px;
}

.sdk-card h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 12px;
}

.sdk-card code {
    font-size: 12px;
    color: var(--accent-color);
    background: rgba(6, 182, 212, 0.1);
    padding: 6px 12px;
    border-radius: 4px;
}

/* === 解决方案卡片 === */
.solution-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.solution-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 36px;
}

.solution-card h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 16px;
}

.solution-card p {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 20px;
}

.solution-card ul {
    list-style: none;
}

.solution-card li {
    font-size: 13px;
    color: var(--text-muted);
    padding: 8px 0;
}

/* === 企业部署 === */
.enterprise-deploy {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 60px;
}

.deploy-info h2 {
    font-size: 32px;
    font-weight: 700;
    margin: 16px 0;
}

.deploy-info p {
    font-size: 16px;
    color: var(--text-secondary);
    margin-bottom: 24px;
    max-width: 600px;
}

.deploy-features {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    margin-bottom: 32px;
}

.deploy-features li {
    font-size: 14px;
    color: var(--text-primary);
}

/* === 文档分类 === */
.docs-category-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.docs-category {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 36px;
}

.category-icon {
    font-size: 40px;
    margin-bottom: 16px;
}

.docs-category h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 12px;
}

.docs-category p {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 20px;
}

.doc-links {
    list-style: none;
}

.doc-links li {
    padding: 8px 0;
    border-top: 1px solid var(--border-color);
}

.doc-links a {
    font-size: 14px;
    color: var(--accent-color);
}

.doc-links a:hover {
    color: var(--accent-light);
}

/* === 代码示例 === */
.code-examples {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.code-example h4 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 16px;
}

/* === 帮助区域 === */
.help-section {
    text-align: center;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 60px;
}

.help-section h2 {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 16px;
}

.help-section p {
    font-size: 16px;
    color: var(--text-secondary);
    margin-bottom: 32px;
}

.help-options {
    display: flex;
    justify-content: center;
    gap: 24px;
}

.help-card {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 24px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    transition: var(--transition-normal);
}

.help-card:hover {
    border-color: var(--primary-color);
}

.help-icon {
    font-size: 24px;
}

/* === 状态页样式 === */
.status-overview {
    margin-bottom: 40px;
}

.status-main {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 24px 32px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
}

.status-main.operational {
    border-color: rgba(16, 185, 129, 0.5);
    background: rgba(16, 185, 129, 0.05);
}

.status-indicator {
    width: 16px;
    height: 16px;
    background: #10b981;
    border-radius: 50%;
    animation: pulse 2s infinite;
}

.status-info h2 {
    font-size: 20px;
    font-weight: 600;
}

.status-info p {
    font-size: 13px;
    color: var(--text-muted);
}

.status-section-title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 20px;
}

.status-list {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.status-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 24px;
    border-bottom: 1px solid var(--border-color);
}

.status-item:last-child {
    border-bottom: none;
}

.status-item-info {
    display: flex;
    align-items: center;
    gap: 12px;
}

.status-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.status-dot.operational {
    background: #10b981;
}

.status-name {
    font-size: 15px;
}

.status-badge {
    font-size: 12px;
    font-weight: 600;
    padding: 4px 12px;
    border-radius: 20px;
}

.status-badge.operational {
    background: rgba(16, 185, 129, 0.1);
    color: #10b981;
}

/* === 区域状态 === */
.region-status-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.region-status-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 24px;
}

.region-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
}

.region-flag {
    font-size: 24px;
}

.region-header h4 {
    flex: 1;
    font-size: 16px;
    font-weight: 600;
}

.region-metrics {
    display: flex;
    gap: 24px;
}

.metric {
    display: flex;
    flex-direction: column;
}

.metric-label {
    font-size: 12px;
    color: var(--text-muted);
}

.metric-value {
    font-size: 18px;
    font-weight: 600;
}

/* === 历史事件 === */
.incident-list {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.incident-item {
    display: flex;
    gap: 24px;
    padding: 24px;
    border-bottom: 1px solid var(--border-color);
}

.incident-item:last-child {
    border-bottom: none;
}

.incident-date {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-muted);
    min-width: 120px;
}

.incident-status {
    font-size: 14px;
    color: #10b981;
    margin-bottom: 8px;
}

.incident-desc {
    font-size: 14px;
    color: var(--text-secondary);
}

/* === 更新日志 === */
.changelog-list {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.changelog-item {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 32px;
}

.changelog-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 20px;
}

.changelog-version {
    font-size: 16px;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.changelog-date {
    font-size: 13px;
    color: var(--text-muted);
}

.changelog-tag {
    font-size: 11px;
    font-weight: 600;
    padding: 4px 10px;
    border-radius: 4px;
}

.changelog-tag.new {
    background: rgba(16, 185, 129, 0.1);
    color: #10b981;
}

.changelog-tag.improvement {
    background: rgba(99, 102, 241, 0.1);
    color: var(--primary-light);
}

.changelog-tag.fix {
    background: rgba(245, 158, 11, 0.1);
    color: #f59e0b;
}

.changelog-content h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 16px;
}

.changelog-content ul {
    list-style: none;
}

.changelog-content li {
    font-size: 14px;
    color: var(--text-secondary);
    padding: 6px 0;
}

/* === 关于我们 === */
.about-intro {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.about-text h2 {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 20px;
}

.about-text p {
    font-size: 16px;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 16px;
}

.about-values {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.value-item {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 24px;
}

.value-icon {
    font-size: 28px;
    margin-bottom: 12px;
    display: block;
}

.value-item h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
}

.value-item p {
    font-size: 14px;
    color: var(--text-secondary);
}

/* === 时间轴 === */
.timeline {
    position: relative;
    padding-left: 40px;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 7px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--border-color);
}

.timeline-item {
    position: relative;
    padding-bottom: 40px;
}

.timeline-item:last-child {
    padding-bottom: 0;
}

.timeline-marker {
    position: absolute;
    left: -40px;
    width: 16px;
    height: 16px;
    background: var(--accent-color);
    border-radius: 50%;
    border: 3px solid var(--bg-dark);
}

.timeline-content {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 24px;
}

.timeline-date {
    font-size: 12px;
    font-weight: 600;
    color: var(--accent-color);
    margin-bottom: 8px;
}

.timeline-content h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
}

.timeline-content p {
    font-size: 14px;
    color: var(--text-secondary);
}

/* === 关于我们新布局 === */
.about-intro-new {
    text-align: center;
}

.about-text-full {
    max-width: 800px;
    margin: 0 auto 48px;
}

.about-text-full h2 {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 20px;
}

.about-text-full p {
    font-size: 16px;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 16px;
}

.about-values-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.about-values-row .value-item {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 32px;
    text-align: center;
    transition: var(--transition-normal);
}

.about-values-row .value-item:hover {
    border-color: rgba(99, 102, 241, 0.3);
    transform: translateY(-3px);
}

@media (max-width: 768px) {
    .about-values-row {
        grid-template-columns: 1fr;
    }
}

/* === 加入我们 === */
.join-section {
    text-align: center;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 60px;
}

.join-section h2 {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 16px;
}

.join-section p {
    font-size: 16px;
    color: var(--text-secondary);
    margin-bottom: 32px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* === 联系页面 === */
.contact-page-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

.contact-info-section h2 {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 16px;
}

.contact-info-section>p {
    font-size: 16px;
    color: var(--text-secondary);
    margin-bottom: 40px;
}

.contact-cards {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

.contact-cards.four-grid {
    grid-template-columns: repeat(2, 1fr);
}

.contact-info-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 24px;
}

.contact-icon {
    font-size: 28px;
    margin-bottom: 12px;
    display: block;
}

.contact-info-card h3 {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 4px;
}

.contact-info-card p {
    font-size: 13px;
    color: var(--text-muted);
}

.contact-form-section .contact-form h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 24px;
}

.form-group select {
    width: 100%;
    padding: 16px 20px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-size: 15px;
    color: var(--text-primary);
    font-family: var(--font-primary);
    cursor: pointer;
}

.form-group select option {
    background: var(--bg-dark);
    color: var(--text-primary);
}

/* === 支持信息 === */
.support-section {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.support-item {
    text-align: center;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 32px;
}

.support-icon {
    font-size: 36px;
    margin-bottom: 16px;
}

.support-item h3 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 8px;
}

.support-item p {
    font-size: 14px;
    color: var(--text-secondary);
}

/* === 法律文档 === */
.legal-content {
    max-width: 800px;
    margin: 0 auto;
}

.legal-section {
    margin-bottom: 40px;
}

.legal-section h2 {
    font-size: 22px;
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.legal-section p {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 16px;
}

.legal-section ul {
    list-style: disc;
    margin-left: 24px;
    margin-bottom: 16px;
}

.legal-section li {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 8px;
}

/* === 子页面响应式 === */
@media (max-width: 1024px) {

    .tier-grid,
    .solution-grid,
    .region-status-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .sdk-grid,
    .steps-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .api-intro,
    .about-intro,
    .contact-page-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .page-hero-content h1 {
        font-size: 32px;
    }

    .tier-grid,
    .solution-grid,
    .region-status-grid,
    .sdk-grid,
    .steps-grid,
    .code-examples,
    .docs-category-grid,
    .content-grid,
    .support-section,
    .contact-cards {
        grid-template-columns: 1fr;
    }

    .help-options {
        flex-direction: column;
    }

    .enterprise-deploy {
        padding: 32px;
    }

    .changelog-header {
        flex-wrap: wrap;
    }
}