/* ==================== 字体 ==================== */
@font-face {
    font-family: 'AlibabaPuHuiTi';
    src: url('../fonts/AlibabaPuHuiTi-3-55-Regular.woff') format('woff');
    font-weight: 400;
    font-style: normal;
    font-display: swap;
}

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

:root {
    --purple-400: #c084fc;
    --purple-500: #a855f7;
    --purple-600: #9333ea;
    --purple-700: #7c3aed;
    --cyan-400: #22d3ee;
    --bg-primary: #030014;
    --bg-card: rgba(15, 15, 35, 0.1);
    --border-color: rgba(139, 92, 246, 0.2);
    --border-hover: rgba(139, 92, 246, 0.5);
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --success: #10b981;
    --warning: #f59e0b;
    --error: #ef4444;
    /* 统一圆角 */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --radius-full: 9999px;
}

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

body {
    font-family: 'AlibabaPuHuiTi', "PingFang SC", "Microsoft YaHei", sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ==================== 动画 ==================== */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes float {
    0%, 100% { transform: translateY(0) translateX(-50%); }
    50% { transform: translateY(30px) translateX(-50%); }
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.3); }
}

@keyframes shimmer {
    0% { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}

@keyframes particleFloat {
    0%, 100% { transform: translateY(0) translateX(0); opacity: 0; }
    10% { opacity: 1; }
    90% { opacity: 1; }
    100% { transform: translateY(-100vh) translateX(20px); opacity: 0; }
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.animate-fade-in { animation: fadeIn 0.8s ease forwards; }
.animate-fade-in-up { opacity: 0; animation: fadeInUp 0.8s ease forwards; }
.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
.delay-3 { animation-delay: 0.3s; }

.animate-on-scroll {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ==================== 背景 ==================== */
.bg-wrapper {
    position: fixed;
    inset: 0;
    z-index: 0;
    overflow: hidden;
}

.bg-gradient {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, #030014 0%, #0a0020 50%, #030014 100%);
}

.bg-grid {
    position: absolute;
    inset: 0;
    background-image: 
        linear-gradient(rgba(139, 92, 246, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(139, 92, 246, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse at center, black 0%, transparent 70%);
}

.bg-glow {
    position: absolute;
    border-radius: 50%;
    filter: blur(120px);
    opacity: 0.4;
    animation: float 20s ease-in-out infinite;
}

.glow-1 {
    width: 700px;
    height: 700px;
    background: var(--purple-600);
    top: -250px;
    left: 50%;
    transform: translateX(-50%);
}

.glow-2 {
    width: 500px;
    height: 500px;
    background: var(--cyan-400);
    bottom: 15%;
    right: -150px;
    animation-delay: -10s;
    opacity: 0.25;
}

.bg-particles {
    position: absolute;
    inset: 0;
    overflow: hidden;
}

.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: var(--purple-400);
    border-radius: 50%;
    animation: particleFloat 15s linear infinite;
}

/* ==================== 页面切换 ==================== */
.page {
    display: none;
    position: relative;
    z-index: 1;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.4s ease, transform 0.4s ease;
}

.page.active {
    display: block;
    opacity: 1;
    transform: translateY(0);
}

/* ==================== 导航 ==================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    padding: 16px 0;
    background: transparent;
    border-bottom: 1px solid transparent;
    transition: background 0.3s, border-bottom 0.3s;
}

.navbar.scrolled {
    background: rgb(50, 20, 95);
    border-bottom: 1px solid rgba(139, 92, 246, 0.2);
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 36px;
    max-width: 100%;
}

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 20px;
    font-weight: 700;
    color: var(--text-primary);
    text-decoration: none;
    transition: color 0.3s;
}

.logo-highlight {
    color: var(--purple-400);
}

.logo:hover { color: var(--purple-400); }
.logo:visited { color: var(--text-primary); }
.logo-icon { font-size: 24px; }

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s;
    position: relative;
    padding: 4px 0;
}

.nav-link:hover,
.nav-link.active { color: var(--purple-400); }

.nav-btn {
    padding: 7px 20px;
    background: linear-gradient(135deg, var(--purple-600), var(--purple-700));
    color: white;
    text-decoration: none;
    border-radius: var(--radius-xl);
    font-size: 14px;
    font-weight: 500;
    transition: all 0.3s;
    box-shadow: 0 0 20px rgba(139, 92, 246, 0.3);
}

.nav-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 30px rgba(139, 92, 246, 0.5);
}

.menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 24px;
    height: 18px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
}

.menu-toggle span {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: all 0.3s;
}

.menu-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.menu-toggle.active span:nth-child(2) { opacity: 0; }
.menu-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(6px, -6px); }

/* ==================== Hero ==================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 100px 0 60px;
    text-align: center;
}

.hero .container { width: 100%; }

.hero h1 {
    font-size: clamp(32px, 6vw, 56px);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 16px;
}

.typewriter-wrapper {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 70px;
    margin-bottom: 32px;
}

.typewriter {
    font-size: clamp(28px, 5vw, 48px);
    font-weight: 700;
}

.cursor {
    font-size: clamp(28px, 5vw, 48px);
    font-weight: 300;
    color: var(--purple-400);
    animation: blink 1s infinite;
}

@keyframes blink {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0; }
}

.gradient-text {
    background: linear-gradient(135deg, var(--purple-400) 0%, var(--cyan-400) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-desc {
    color: var(--text-secondary);
    font-size: 15px;
    max-width: 700px;
    margin: 0 auto 48px;
    line-height: 1.8;
}

.hero-stats {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 48px;
    margin-bottom: 48px;
}

.stat { text-align: center; }

.stat-value {
    display: inline-block;
    font-size: 32px;
    font-weight: 700;
    color: var(--purple-400);
}

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

.stat-divider {
    width: 1px;
    height: 40px;
    background: var(--border-color);
}

.hero-btns {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin-bottom: 60px;
}

.hero-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 26px;
    border-radius: var(--radius-xl);
    font-weight: 600;
    font-size: 14px;
    text-decoration: none;
    transition: all 0.3s;
    position: relative;
    overflow: hidden;
}

.hero-btn.primary {
    background: linear-gradient(135deg, var(--purple-600), var(--purple-700));
    color: white;
    box-shadow: 0 0 30px rgba(139, 92, 246, 0.35);
}

.hero-btn.primary::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    background-size: 200% 100%;
    animation: shimmer 2s infinite;
}

.hero-btn.primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 40px rgba(139, 92, 246, 0.5);
}

.hero-btn.secondary {
    background: rgba(139, 92, 246, 0.1);
    color: var(--purple-400);
    border: 1px solid var(--border-color);
}

.hero-btn.secondary:hover {
    background: rgba(139, 92, 246, 0.2);
    border-color: var(--border-hover);
    transform: translateY(-3px);
}

.scroll-hint {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: var(--text-muted);
    font-size: 13px;
    animation: bounce 2s infinite;
}

.scroll-hint svg {
    opacity: 0.5;
}

/* ==================== Section 通用 ==================== */
section { position: relative; z-index: 1; }

.section-header {
    text-align: center;
    margin-bottom: 48px;
}

.section-header h2 {
    font-size: 42px;
    font-weight: 700;
    margin-bottom: 12px;
    background: linear-gradient(135deg, var(--purple-400) 0%, var(--cyan-400) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: inline-block;
}

.section-header p { color: var(--text-secondary); }

/* ==================== 特性展示 - 商务科技风 ==================== */
.features-section {
    padding: 60px 0;
}

.section-tag {
    display: inline-block;
    padding: 8px 20px;
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.2), rgba(139, 92, 246, 0.1));
    border: 1px solid rgba(139, 92, 246, 0.3);
    border-radius: 30px;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 2px;
    color: var(--purple-400);
    margin-bottom: 16px;
}

.tech-cards {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    margin-top: 48px;
}

@media (max-width: 1024px) {
    .tech-cards {
        grid-template-columns: 1fr !important;
    }
}

.tech-card-main {
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.08), rgba(15, 15, 35, 0.8));
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: 32px;
    position: relative;
    overflow: hidden;
}
.tech-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}

.tech-tags {
    display: flex;
    gap: 8px;
}

.tech-tag {
    padding: 6px 16px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-muted);
    transition: all 0.3s;
}

.tech-tag.active {
    background: linear-gradient(135deg, var(--purple-600), var(--purple-700));
    border-color: transparent;
    color: white;
}

.tech-version {
    padding: 4px 12px;
    background: rgba(16, 185, 129, 0.15);
    border-radius: 12px;
    font-size: 11px;
    font-weight: 600;
    color: var(--success);
}

.tech-card-main h3 {
    font-size: 28px;
    margin-bottom: 12px;
    background: linear-gradient(135deg, var(--text-primary), var(--purple-400));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.tech-desc {
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.8;
    margin-bottom: 32px;
}

/* 进度条指标 */
.tech-metrics {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.metric-item {
    position: relative;
}

.metric-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 8px;
}

.metric-label {
    font-size: 13px;
    color: var(--text-secondary);
}

.metric-value {
    font-size: 14px;
    font-weight: 700;
    color: var(--purple-400);
}

.metric-bar {
    height: 8px;
    background: rgba(139, 92, 246, 0.1);
    border-radius: 4px;
    overflow: hidden;
}

.metric-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--purple-600), var(--purple-400));
    border-radius: 4px;
    position: relative;
    animation: fillBar 1.5s ease-out forwards;
    transform-origin: left;
}

@keyframes fillBar {
    from { transform: scaleX(0); }
    to { transform: scaleX(1); }
}

.metric-fill::after {
    content: '';
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 12px;
    height: 12px;
    background: white;
    border-radius: 50%;
    box-shadow: 0 0 10px var(--purple-400);
}

/* 右侧小卡片网格 */
.tech-card-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

@media (max-width: 768px) {
    .tech-card-grid {
        grid-template-columns: 1fr !important;
    }
}

.tech-card-item {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 24px 20px;
    display: flex;
    align-items: center;
    gap: 16px;
    transition: all 0.3s;
    position: relative;
    overflow: hidden;
}

.tech-card-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(180deg, var(--purple-500), transparent);
    opacity: 0;
    transition: opacity 0.3s;
}

.tech-card-item:hover {
    border-color: var(--border-hover);
    transform: translateX(4px);
}

.tech-card-item:hover::before {
    opacity: 1;
}

.tech-card-icon {
    width: 48px;
    height: 48px;
    min-width: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--purple-600), var(--purple-700));
    border-radius: 12px;
}

.tech-card-icon svg {
    width: 24px;
    height: 24px;
    stroke: white;
}

.tech-card-content {
    display: flex;
    flex-direction: column;
}

.tech-card-number {
    font-size: 24px;
    font-weight: 800;
    background: linear-gradient(135deg, var(--purple-400), var(--cyan-400));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.2;
}

.tech-card-title {
    font-size: 13px;
    color: var(--text-muted);
    margin-top: 4px;
}

/* ==================== 全球节点可视化 ==================== */
.globe-section {
    padding: 60px 0;
    overflow: hidden;
}

/* 数据统计卡片网格 */
.globe-stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
    margin-bottom: 48px;
}

.globe-stat-card {
    text-align: center;
    padding: 16px 0;
}

.globe-stat-number {
    display: block;
    font-size: 48px;
    font-weight: 800;
    color: var(--purple-400);
    line-height: 1.1;
}

.globe-stat-number .counter {
    color: var(--purple-400);
}

.globe-stat-number .stat-plus,
.globe-stat-number .stat-unit {
    font-size: 28px;
    font-weight: 600;
    color: var(--purple-400);
}

.globe-stat-text {
    display: block;
    font-size: 14px;
    color: var(--text-muted);
    margin-top: 8px;
}

/* 世界地图容器 */
.world-map-container {
    background: linear-gradient(135deg, rgba(10, 5, 30, 0.9), rgba(15, 10, 40, 0.95));
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: 32px;
    margin-bottom: 32px;
    position: relative;
    overflow: hidden;
}

.world-map-container::before {
    content: '';
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(ellipse at 20% 30%, rgba(139, 92, 246, 0.08) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 70%, rgba(34, 211, 238, 0.06) 0%, transparent 50%);
    pointer-events: none;
}

.world-map {
    position: relative;
    width: 100%;
    height: 380px;
    overflow: hidden;
}

/* 真实世界地图图片 */
.map-image {
    width: 100%;
    height: 100%;
    object-fit: contain;
    opacity: 0.6;
    filter: brightness(0.8) contrast(1.1) hue-rotate(220deg) saturate(0.8);
}

/* 连接线SVG覆盖层 */
.map-connections {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

/* 航线样式 */
.flight-line {
    stroke-dasharray: 8 6;
    stroke-linecap: round;
    vector-effect: non-scaling-stroke;
    animation: flightDash 20s linear infinite;
}

@keyframes flightDash {
    to { stroke-dashoffset: -60; }
}

.map-connections .conn-line {
    animation: lineDash 20s linear infinite;
}

/* 地图节点 */
.map-nodes {
    position: absolute;
    inset: 0;
}

.map-node {
    position: absolute;
    width: 10px;
    height: 10px;
    background: var(--cyan-400);
    border-radius: 50%;
    box-shadow: 0 0 10px var(--cyan-400), 0 0 20px rgba(34, 211, 238, 0.4);
    transform: translate(-50%, -50%);
    cursor: pointer;
    z-index: 2;
    transition: all 0.3s ease;
}

.map-node .node-ring {
    position: absolute;
    inset: -6px;
    border: 1px solid var(--cyan-400);
    border-radius: 50%;
    opacity: 0.4;
    animation: ringPulse 2.5s ease-out infinite;
}

.map-node:hover {
    transform: translate(-50%, -50%) scale(1.5);
    box-shadow: 0 0 15px var(--cyan-400), 0 0 30px rgba(34, 211, 238, 0.5);
}

.map-node:hover .node-label {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

.map-node.active {
    width: 14px;
    height: 14px;
    background: var(--purple-400);
    box-shadow: 0 0 15px var(--purple-400), 0 0 30px rgba(168, 85, 247, 0.5);
}

.map-node.active .node-ring {
    border-color: var(--purple-400);
    inset: -8px;
}

.node-label {
    position: absolute;
    top: -32px;
    left: 50%;
    transform: translateX(-50%) translateY(5px);
    padding: 5px 12px;
    background: rgba(10, 5, 30, 0.95);
    border: 1px solid rgba(139, 92, 246, 0.4);
    border-radius: 6px;
    font-size: 12px;
    color: var(--text-primary);
    white-space: nowrap;
    opacity: 0;
    transition: all 0.25s ease;
    pointer-events: none;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.node-label::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 50%;
    transform: translateX(-50%);
    border-left: 5px solid transparent;
    border-right: 5px solid transparent;
    border-top: 5px solid rgba(139, 92, 246, 0.4);
}

@keyframes ringPulse {
    0% { transform: scale(1); opacity: 0.4; }
    50% { transform: scale(1.8); opacity: 0.1; }
    100% { transform: scale(2.5); opacity: 0; }
}

@keyframes nodePulse {
    0%, 100% { opacity: 0.8; }
    50% { opacity: 1; }
}

@keyframes lineDash {
    to { stroke-dashoffset: -100; }
}

/* 地图图例 */
.map-legend {
    display: flex;
    justify-content: center;
    gap: 32px;
    margin-top: 24px;
    padding-top: 24px;
    border-top: 1px solid var(--border-color);
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 13px;
    color: var(--text-secondary);
}

.legend-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--cyan-400);
    box-shadow: 0 0 8px var(--cyan-400);
}

.legend-dot.active { 
    background: var(--purple-400); 
    box-shadow: 0 0 10px var(--purple-400); 
}

.legend-line {
    width: 24px;
    height: 2px;
    background: linear-gradient(90deg, var(--purple-400), var(--cyan-400));
    border-radius: 1px;
}

/* 特性标签 */
.globe-features {
    display: flex;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}

.globe-feature-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: rgba(139, 92, 246, 0.08);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    font-size: 13px;
    color: var(--text-secondary);
    transition: all 0.3s;
}

.globe-feature-item:hover {
    border-color: var(--border-hover);
    color: var(--purple-400);
    background: rgba(139, 92, 246, 0.12);
    transform: translateY(-2px);
}

.globe-feature-item svg {
    width: 18px;
    height: 18px;
    stroke: var(--purple-400);
}

/* 移动端适配 */
@media (max-width: 768px) {
    .globe-stats-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 12px;
    }
    
    .globe-stat-number {
        font-size: 24px;
    }
    
    .globe-stat-number .stat-plus,
    .globe-stat-number .stat-unit {
        font-size: 14px;
    }
    
    .globe-stat-label {
        font-size: 12px;
    }
    
    .world-map {
        height: 280px;
    }
    
    .world-map-container {
        padding: 20px;
    }
    
    .map-legend {
        gap: 16px;
        flex-wrap: wrap;
    }
    
    .globe-features {
        gap: 10px;
    }
    
    .globe-feature-item {
        padding: 8px 14px;
        font-size: 12px;
    }
    
    .node-label {
        display: none;
    }
    
    .map-node {
        width: 8px;
        height: 8px;
    }
    
    .map-node.active {
        width: 10px;
        height: 10px;
    }
}

@media (max-width: 480px) {
    .globe-stats-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 8px;
    }
    
    .globe-stat-number {
        font-size: 20px;
    }
    
    .globe-stat-number .stat-plus,
    .globe-stat-number .stat-unit {
        font-size: 12px;
    }
    
    .globe-stat-label {
        font-size: 11px;
    }
    
    .world-map {
        height: 200px;
    }
    
    .map-node .node-ring {
        display: none;
    }
}

/* ==================== 技术栈跑马灯 ==================== */
.tech-section {
    padding: 40px 0;
    overflow: hidden;
}

.tech-marquee {
    position: relative;
    width: 100%;
    overflow: hidden;
    mask-image: linear-gradient(90deg, transparent, black 10%, black 90%, transparent);
}

.tech-track {
    display: flex;
    gap: 40px;
    animation: marquee 20s linear infinite;
    width: max-content;
}

@keyframes marquee {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

.tech-item {
    padding: 12px 28px;
    background: rgba(139, 92, 246, 0.1);
    border: 1px solid var(--border-color);
    border-radius: 30px;
    font-size: 14px;
    color: var(--text-secondary);
    white-space: nowrap;
    transition: all 0.3s;
}

.tech-item:hover {
    background: rgba(139, 92, 246, 0.2);
    border-color: var(--border-hover);
    color: var(--purple-400);
}

/* ==================== 监控展示 ==================== */
.monitor-section {
    padding: 60px 0;
}

.monitor-showcase {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: 36px;
}

.monitor-info h3 {
    font-size: 24px;
    margin-bottom: 12px;
}

.monitor-info > p {
    color: var(--text-secondary);
    margin-bottom: 24px;
}

.monitor-features {
    list-style: none;
    margin-bottom: 24px;
}

.monitor-features li {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 0;
    color: var(--text-secondary);
    font-size: 14px;
}

.monitor-features svg {
    width: 18px;
    height: 18px;
    stroke: var(--success);
}

.btn-outline {
    display: inline-flex;
    align-items: center;
    padding: 12px 24px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    color: var(--purple-400);
    text-decoration: none;
    font-size: 14px;
    transition: all 0.3s;
}

.btn-outline:hover {
    background: rgba(139, 92, 246, 0.1);
    border-color: var(--border-hover);
}

.monitor-chart {
    background: #fff;
    border-radius: 12px;
    padding: 12px;
    overflow: hidden;
}

.monitor-chart img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 6px;
}

/* ==================== 数据统计仪表盘 ==================== */
.dashboard-section {
    padding: 100px 0;
}

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

.dashboard-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: 28px;
    position: relative;
    overflow: hidden;
    transition: all 0.4s;
}

.dashboard-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--purple-600), var(--purple-400));
    opacity: 0;
    transition: opacity 0.3s;
}

.dashboard-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(139, 92, 246, 0.15);
}

.dashboard-card:hover::before {
    opacity: 1;
}

.dashboard-icon {
    width: 52px;
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.2), rgba(139, 92, 246, 0.1));
    border-radius: 14px;
    margin-bottom: 20px;
}

.dashboard-icon svg {
    width: 26px;
    height: 26px;
    stroke: var(--purple-400);
}

.dashboard-icon.cyan {
    background: linear-gradient(135deg, rgba(34, 211, 238, 0.2), rgba(34, 211, 238, 0.1));
}

.dashboard-icon.cyan svg {
    stroke: var(--cyan-400);
}

.dashboard-icon.green {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.2), rgba(16, 185, 129, 0.1));
}

.dashboard-icon.green svg {
    stroke: var(--success);
}

.dashboard-icon.orange {
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.2), rgba(245, 158, 11, 0.1));
}

.dashboard-icon.orange svg {
    stroke: var(--warning);
}

.dashboard-value {
    display: flex;
    align-items: baseline;
    gap: 4px;
    margin-bottom: 8px;
}

.dashboard-value .counter-up {
    font-size: 36px;
    font-weight: 800;
    background: linear-gradient(135deg, var(--text-primary), var(--purple-400));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.dashboard-unit {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-muted);
}

.dashboard-label {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 16px;
}

.dashboard-trend {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
}

.dashboard-trend.up {
    background: rgba(16, 185, 129, 0.15);
    color: var(--success);
}

.dashboard-trend.down {
    background: rgba(34, 211, 238, 0.15);
    color: var(--cyan-400);
}

.dashboard-trend svg {
    width: 14px;
    height: 14px;
}

.dashboard-badge {
    display: inline-block;
    padding: 6px 12px;
    background: linear-gradient(135deg, var(--purple-600), var(--purple-700));
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    color: white;
}

/* ==================== 优化对比 ==================== */
.compare-section {
    padding: 100px 0;
}

.compare-wrapper {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    overflow: hidden;
}

.compare-table {
    width: 100%;
}

.compare-header {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    background: rgba(0, 0, 0, 0.3);
    border-bottom: 1px solid var(--border-color);
}

.compare-header .compare-col {
    padding: 20px 24px;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.compare-header .compare-col.before {
    color: var(--error);
}

.compare-header .compare-col.after {
    color: var(--success);
}

.compare-header .compare-col.improve {
    color: var(--purple-400);
}

.compare-row {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    border-bottom: 1px solid rgba(255, 255, 255, 0.03);
    transition: background 0.3s;
}

.compare-row:last-child {
    border-bottom: none;
}

.compare-row:hover {
    background: rgba(139, 92, 246, 0.05);
}

.compare-row .compare-col {
    padding: 24px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.compare-icon {
    font-size: 20px;
}

.compare-value {
    font-size: 16px;
    font-weight: 600;
    font-family: "SF Mono", Consolas, monospace;
}

.compare-value.bad {
    color: var(--error);
    text-decoration: line-through;
    opacity: 0.7;
}

.compare-value.good {
    color: var(--success);
}

.compare-badge {
    display: inline-flex;
    align-items: center;
    padding: 8px 16px;
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.2), rgba(139, 92, 246, 0.1));
    border: 1px solid rgba(139, 92, 246, 0.3);
    border-radius: 20px;
    font-size: 14px;
    font-weight: 700;
    color: var(--purple-400);
}

/* ==================== 服务状态 ==================== */
.status-section {
    padding: 60px 0;
}

.status-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-bottom: 40px;
}

.status-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 24px;
    transition: all 0.3s;
}

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

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

.status-indicator {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    position: relative;
}

.status-indicator.online {
    background: var(--success);
    box-shadow: 0 0 10px var(--success);
}

.status-indicator.online::after {
    content: '';
    position: absolute;
    inset: -4px;
    border: 2px solid var(--success);
    border-radius: 50%;
    animation: statusPulse 2s ease-out infinite;
}

@keyframes statusPulse {
    0% { transform: scale(1); opacity: 1; }
    100% { transform: scale(2); opacity: 0; }
}

.status-indicator.warn {
    background: var(--warning);
    box-shadow: 0 0 10px var(--warning);
}

.status-name {
    flex: 1;
    font-size: 14px;
    font-weight: 600;
}

.status-badge {
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 11px;
    font-weight: 600;
}

.status-badge.online {
    background: rgba(16, 185, 129, 0.15);
    color: var(--success);
}

.status-bar-container {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
}

.status-bar {
    flex: 1;
    height: 6px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 3px;
    overflow: hidden;
}

.status-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--success), #34d399);
    border-radius: 3px;
    transition: width 1s ease;
}

.status-percent {
    font-size: 13px;
    font-weight: 600;
    color: var(--success);
    min-width: 40px;
}

.status-meta {
    display: flex;
    justify-content: space-between;
    font-size: 12px;
    color: var(--text-muted);
}

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

.timeline-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.timeline-header span:first-child {
    font-size: 14px;
    color: var(--text-secondary);
}

.timeline-uptime {
    padding: 6px 14px;
    background: rgba(16, 185, 129, 0.15);
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
    color: var(--success);
}

.timeline-bars {
    display: flex;
    gap: 4px;
    margin-bottom: 12px;
}

.timeline-bar {
    flex: 1;
    height: 32px;
    border-radius: 4px;
    transition: all 0.3s;
    cursor: pointer;
}

.timeline-bar.good {
    background: var(--success);
}

.timeline-bar.warn {
    background: var(--warning);
}

.timeline-bar.bad {
    background: var(--error);
}

.timeline-bar:hover {
    transform: scaleY(1.2);
    filter: brightness(1.2);
}

.timeline-legend {
    display: flex;
    justify-content: space-between;
    font-size: 12px;
    color: var(--text-muted);
}

/* ==================== CTA ==================== */
.cta-section {
    padding: 40px 0;
}

.cta-btns {
    display: flex;
    justify-content: flex-start;
}

.cta-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 10px 24px;
    border-radius: var(--radius-xl);
    font-weight: 600;
    font-size: 13px;
    text-decoration: none;
    transition: all 0.3s;
}

.cta-btn.primary {
    background: linear-gradient(135deg, var(--purple-600), var(--purple-700));
    color: white;
    box-shadow: 0 0 30px rgba(139, 92, 246, 0.35);
    position: relative;
    overflow: hidden;
}

.cta-btn.primary::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    background-size: 200% 100%;
    animation: shimmer 2s infinite;
}

.cta-btn.primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 40px rgba(139, 92, 246, 0.5);
}

/* ==================== 全局 Footer ==================== */
.global-footer {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 10;
    padding: 30px 0 20px;
    background: linear-gradient(180deg, rgba(3, 0, 20, 0.9) 0%, rgba(3, 0, 20, 0.98) 100%);
    border-top: 1px solid var(--border-color);
    opacity: 0;
    transform: translateY(100%);
    transition: all 0.4s ease;
    pointer-events: none;
}

.global-footer.visible {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}

/* 移动端 footer 正常显示 */
@media (max-width: 768px) {
    .global-footer {
        position: relative;
        opacity: 1;
        transform: translateY(0);
        pointer-events: auto;
    }
}

/* 非首页时footer始终显示 */
.page:not(#page-home).active ~ .global-footer {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
    position: relative;
}

/* ==================== 页面 Hero (子页面) ==================== */
.page-hero {
    padding: 140px 0 60px;
    text-align: center;
    border: none;
}

.page-hero h1 {
    font-size: 40px;
    font-weight: 700;
    margin-bottom: 12px;
    background: linear-gradient(135deg, var(--purple-400) 0%, var(--cyan-400) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: inline-block;
    border: none;
}

.page-hero p {
    color: var(--text-secondary);
    font-size: 16px;
}

/* ==================== 域名卡片 ==================== */
.domains-section {
    padding: 0 0 80px;
}

.domains-list {
    display: flex;
    flex-direction: column;
    gap: 24px;
    margin-bottom: 40px;
}

.domain-card {
    display: flex;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    backdrop-filter: blur(20px);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    overflow: hidden;
}

.domain-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-4px);
    box-shadow: 0 20px 40px rgba(139, 92, 246, 0.15);
}

.domain-card.featured { border-color: var(--purple-500); }

.card-left {
    flex: 1;
    padding: 24px;
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
}

.card-header-row {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.card-tag {
    display: inline-flex;
    align-items: center;
    padding: 6px 14px;
    border-radius: 6px;
    font-size: 13px;
    font-weight: 500;
    text-decoration: none;
    transition: all 0.2s;
}

.card-tag.recommend {
    background: linear-gradient(135deg, var(--purple-600), var(--purple-700));
    color: white;
}

.card-tag.universal {
    background: rgba(139, 92, 246, 0.15);
    color: var(--purple-400);
    border: 1px solid rgba(139, 92, 246, 0.3);
}

.card-tag.telecom {
    background: rgba(59, 130, 246, 0.15);
    color: #60a5fa;
    border: 1px solid rgba(59, 130, 246, 0.3);
}

.card-tag.mobile {
    background: rgba(16, 185, 129, 0.15);
    color: #34d399;
    border: 1px solid rgba(16, 185, 129, 0.3);
}

.card-tag.unicom {
    background: rgba(245, 158, 11, 0.15);
    color: #fbbf24;
    border: 1px solid rgba(245, 158, 11, 0.3);
}

.card-tag.tcping {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
}

.card-tag.tcping:hover {
    background: var(--purple-600);
    color: white;
    border-color: var(--purple-600);
}

.card-info { margin-bottom: 20px; }

.card-info h3 {
    font-size: 14px;
    color: var(--purple-400);
    margin-bottom: 8px;
    font-weight: 600;
}

.card-info p {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.7;
}

.domain-display {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 8px;
    margin-top: auto;
    transition: border-color 0.3s;
}

.domain-display:hover { border-color: var(--border-hover); }

.domain-display code {
    font-family: "SF Mono", Consolas, monospace;
    font-size: 14px;
    color: var(--cyan-400);
    letter-spacing: 0.3px;
}

.copy-btn-inline {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    background: rgba(139, 92, 246, 0.2);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--purple-400);
    cursor: pointer;
    transition: all 0.2s;
}

.copy-btn-inline:hover {
    background: var(--purple-600);
    color: white;
    transform: scale(1.05);
}

.card-right {
    flex: 1;
    min-width: 0;
    padding: 16px;
    display: flex;
    align-items: center;
}

.monitor-frame {
    width: 100%;
    background: #fff;
    border-radius: 12px;
    overflow: hidden;
    padding: 12px;
}

.monitor-frame img {
    width: 100%;
    height: 240px;
    object-fit: contain;
    display: block;
    border-radius: 8px;
}

/* ==================== 配置示例 ==================== */
.config-example {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    margin-bottom: 40px;
    transition: border-color 0.3s;
}

.config-example:hover { border-color: var(--border-hover); }

.config-header {
    padding: 16px 24px;
    background: rgba(0, 0, 0, 0.2);
    border-bottom: 1px solid var(--border-color);
    font-weight: 600;
    font-size: 14px;
}

.config-content { position: relative; }

.config-code {
    margin: 0;
    padding: 24px;
    background: transparent;
    overflow-x: auto;
}

.config-code code {
    font-family: "SF Mono", Consolas, monospace;
    font-size: 13px;
    color: var(--cyan-400);
    white-space: pre;
    line-height: 1.8;
}

.btn-copy-config {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    padding: 14px;
    background: rgba(139, 92, 246, 0.1);
    border: none;
    border-top: 1px solid var(--border-color);
    color: var(--purple-400);
    font-size: 14px;
    cursor: pointer;
    transition: all 0.3s;
}

.btn-copy-config:hover {
    background: rgba(139, 92, 246, 0.2);
}

/* ==================== FAQ ==================== */
.faq-section {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 32px;
}

.faq-section h3 {
    font-size: 20px;
    margin-bottom: 24px;
    background: linear-gradient(135deg, var(--purple-400) 0%, var(--cyan-400) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: inline-block;
}

.faq-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.faq-item {
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
    transition: border-color 0.3s;
}

.faq-item:hover { border-color: var(--border-hover); }

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    cursor: pointer;
    transition: background 0.3s;
}

.faq-question:hover { background: rgba(139, 92, 246, 0.05); }

.faq-question span {
    font-size: 14px;
    font-weight: 500;
}

.faq-question svg {
    width: 20px;
    height: 20px;
    stroke: var(--text-muted);
    transition: transform 0.3s;
}

.faq-item.open .faq-question svg { transform: rotate(180deg); }

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.faq-item.open .faq-answer { max-height: 200px; }

.faq-answer p {
    padding: 0 20px 16px;
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ==================== IP 页面 ==================== */
.ip-section {
    padding: 0 0 80px;
}

.ip-toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
    flex-wrap: wrap;
    gap: 16px;
}

.ip-tabs {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.ip-tab {
    padding: 10px 20px;
    background: rgba(139, 92, 246, 0.05);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    color: var(--text-secondary);
    font-size: 14px;
    cursor: pointer;
    transition: all 0.3s;
}

.ip-tab:hover {
    border-color: var(--border-hover);
    color: var(--purple-400);
}

.ip-tab.active {
    background: linear-gradient(135deg, var(--purple-600), var(--purple-700));
    border-color: transparent;
    color: white;
}

.ip-update-time {
    font-size: 13px;
    color: var(--text-muted);
}

.ip-update-time span {
    color: var(--purple-400);
}

.ip-list-container {
    display: flex;
    flex-direction: column;
    gap: 24px;
    margin-bottom: 40px;
}

.ip-carrier-section {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: border-color 0.3s;
}

.ip-carrier-section:hover { border-color: var(--border-hover); }

.carrier-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 24px;
    background: rgba(0, 0, 0, 0.2);
    cursor: pointer;
}

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

.carrier-icon {
    padding: 6px 12px;
    border-radius: 6px;
    font-size: 12px;
    font-weight: 600;
}

.carrier-icon.telecom {
    background: rgba(59, 130, 246, 0.15);
    color: #60a5fa;
}

.carrier-icon.mobile {
    background: rgba(16, 185, 129, 0.15);
    color: #34d399;
}

.carrier-icon.unicom {
    background: rgba(245, 158, 11, 0.15);
    color: #fbbf24;
}

.carrier-icon.sanwang {
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.2), rgba(34, 211, 238, 0.2));
    color: var(--purple-400);
}

.carrier-title h3 {
    font-size: 16px;
    font-weight: 600;
}

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

.carrier-toggle {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(139, 92, 246, 0.1);
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s;
}

.carrier-toggle:hover { background: rgba(139, 92, 246, 0.2); }

.carrier-toggle svg {
    width: 20px;
    height: 20px;
    stroke: var(--text-secondary);
    transition: transform 0.3s;
}

.ip-carrier-section.collapsed .carrier-toggle svg { transform: rotate(-90deg); }
.ip-carrier-section.collapsed .carrier-content { display: none; }

.carrier-content { padding: 0; }

.ip-table {
    width: 100%;
    border-collapse: collapse;
}

.ip-table thead {
    background: rgba(0, 0, 0, 0.2);
}

.ip-table th {
    padding: 14px 16px;
    text-align: left;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border-color);
}

.ip-table tbody tr {
    border-bottom: 1px solid rgba(255, 255, 255, 0.03);
    transition: background 0.2s;
}

.ip-table tbody tr:hover { background: rgba(139, 92, 246, 0.05); }
.ip-table tbody tr:last-child { border-bottom: none; }

.ip-table td {
    padding: 14px 16px;
    font-size: 14px;
}

.ip-table .ip-address {
    color: var(--cyan-400);
}

.ip-table .ip-latency { color: var(--success); }
.ip-table .ip-latency.warning { color: var(--warning); }
.ip-table .ip-latency.error { color: var(--error); }

.ip-table .ip-score {
    display: inline-flex;
    align-items: center;
    padding: 4px 10px;
    background: rgba(16, 185, 129, 0.15);
    border-radius: 12px;
    font-size: 13px;
    color: var(--success);
}

.ip-copy-btn {
    padding: 6px 12px;
    background: rgba(139, 92, 246, 0.1);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--purple-400);
    font-size: 12px;
    cursor: pointer;
    transition: all 0.2s;
}

.ip-copy-btn:hover {
    background: var(--purple-600);
    color: white;
    border-color: var(--purple-600);
}

.ip-loading td {
    text-align: center;
    padding: 40px;
    color: var(--text-muted);
}

.ip-loading td > * {
    display: inline-block;
    vertical-align: middle;
}

.loading-spinner {
    width: 20px;
    height: 20px;
    border: 2px solid var(--border-color);
    border-top-color: var(--purple-500);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-right: 10px;
}

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

.ip-usage h3 {
    font-size: 18px;
    margin-bottom: 20px;
    background: linear-gradient(135deg, var(--purple-400) 0%, var(--cyan-400) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: inline-block;
}

.usage-content p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 8px;
}

.usage-content p:last-child { margin-bottom: 0; }

/* ==================== 关于页面 ==================== */
.about-section {
    padding: 0 0 80px;
}

.about-content {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.about-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 32px;
    transition: border-color 0.3s;
}

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

.about-card h3 {
    font-size: 20px;
    margin-bottom: 16px;
    background: linear-gradient(135deg, var(--purple-400) 0%, var(--cyan-400) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: inline-block;
}

.about-card p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 12px;
}

.about-card p:last-child { margin-bottom: 0; }

.contact-links {
    display: flex;
    gap: 16px;
    margin-top: 16px;
}

.contact-link {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: rgba(139, 92, 246, 0.1);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--purple-400);
    text-decoration: none;
    font-size: 14px;
    transition: all 0.3s;
}

.contact-link:hover {
    background: var(--purple-600);
    color: white;
    border-color: var(--purple-600);
}

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

.tech-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px;
    background: rgba(139, 92, 246, 0.05);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    transition: all 0.3s;
}

.tech-item:hover {
    border-color: var(--border-hover);
    background: rgba(139, 92, 246, 0.1);
}

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

.tech-item span:last-child {
    font-size: 14px;
    color: var(--text-secondary);
}

/* ==================== Toast ==================== */
.toast {
    position: fixed;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 14px 28px;
    background: linear-gradient(135deg, var(--purple-600), var(--purple-700));
    border-radius: var(--radius-md);
    color: white;
    font-size: 14px;
    opacity: 0;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    z-index: 1000;
    box-shadow: 0 10px 40px rgba(139, 92, 246, 0.4);
}

.toast.show {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
}

/* ==================== 响应式 ==================== */
@media (max-width: 1024px) {
    .tech-cards { grid-template-columns: 1fr; }
    .tech-card-grid { grid-template-columns: 1fr; }
    .monitor-showcase { grid-template-columns: 1fr; }
    .tech-stack { grid-template-columns: 1fr; }
    .dashboard-grid { grid-template-columns: repeat(2, 1fr); }
    .status-grid { grid-template-columns: repeat(2, 1fr); }
    .compare-header,
    .compare-row { grid-template-columns: 1.5fr 1fr 1fr 1fr; }
}

@media (max-width: 768px) {
    .logo {
        font-size: 16px;
        gap: 6px;
    }
    .logo-icon {
        font-size: 20px;
    }
    .menu-toggle { display: flex; }
    
    .nav-links {
        display: flex;
        position: fixed;
        top: 57px;
        left: 0;
        right: 0;
        background: rgb(50, 20, 95);
        flex-direction: column;
        padding: 8px 20px;
        gap: 0;
        transform: translateY(-100%);
        visibility: hidden;
        transition: transform 0.3s, visibility 0.3s;
        border-top: 1px solid rgba(139, 92, 246, 0.3);
        border-bottom: 1px solid rgba(139, 92, 246, 0.3);
        z-index: 101;
    }
    
    .nav-links.show {
        transform: translateY(0);
        visibility: visible;
    }
    
    .nav-link {
        padding: 10px 0;
        border-bottom: none;
        width: 100%;
        font-size: 14px;
        margin: 0;
    }
    
    .nav-link:last-of-type {
        border-bottom: none;
    }
    
    .nav-btn { display: none; }
    
    .hero { min-height: auto; padding: 120px 0 60px; }
    .hero-stats { flex-direction: row; gap: 16px; flex-wrap: wrap; }
    .stat-divider { width: 1px; height: 30px; }
    .stat-value { font-size: 24px; }
    .hero-btns { flex-direction: row; align-items: center; }
    .scroll-hint { display: none; }
    
    .section-header { margin-bottom: 32px; }
    .section-header h2 { font-size: 24px; }
    .section-header p { font-size: 14px; }
    
    .tech-cards { grid-template-columns: 1fr !important; gap: 20px; }
    .tech-card-main { padding: 28px; }
    .tech-card-main h3 { font-size: 22px; }
    .tech-card-grid { grid-template-columns: 1fr !important; gap: 16px; }
    
    .monitor-showcase { grid-template-columns: 1fr; gap: 24px; }
    .monitor-info h3 { font-size: 18px; }
    .monitor-info > p { font-size: 13px; }
    
    .dashboard-grid { grid-template-columns: 1fr; gap: 16px; }
    .dashboard-card { padding: 24px; }
    .dashboard-value .counter-up { font-size: 32px; }
    
    .compare-header,
    .compare-row { 
        grid-template-columns: 1fr;
        gap: 0;
    }
    .compare-header .compare-col,
    .compare-row .compare-col {
        padding: 12px 20px;
        justify-content: space-between;
    }
    .compare-header .compare-col:first-child { display: none; }
    .compare-row .compare-col:first-child {
        background: rgba(0, 0, 0, 0.2);
        font-weight: 600;
    }
    .compare-row .compare-col::before {
        content: attr(data-label);
        font-size: 12px;
        color: var(--text-muted);
    }
    
    .status-grid { grid-template-columns: 1fr; }
    .timeline-bars { gap: 2px; }
    .timeline-bar { height: 24px; }
    
    .cta-content { padding: 32px 20px; }
    .cta-content h2 { font-size: 22px; }
    
    .page-hero { padding: 100px 0 40px; }
    
    .ip-carrier-section {
        background: transparent;
        border: none;
    }
    .ip-carrier-section:hover { border-color: transparent; }
    .page-hero h1 { font-size: 32px; }
    
    .domain-card { flex-direction: column; }
    .card-left { border-right: none; border-bottom: 1px solid var(--border-color); }
    .card-right { padding: 16px; }
    .monitor-frame img { height: auto; }
    
    .ip-toolbar { flex-direction: column; align-items: stretch; }
    .ip-tabs { justify-content: center; }
    
    .ip-table thead { display: none; }
    .ip-table, .ip-table tbody, .ip-table tr, .ip-table td { display: block; }
    
    .ip-table tbody tr {
        padding: 16px;
        margin-bottom: 12px;
        background: rgba(139, 92, 246, 0.03);
        border-radius: 12px;
        border: 1px solid var(--border-color);
    }
    
    .ip-table td {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 8px 0;
        border-bottom: 1px dashed rgba(255, 255, 255, 0.05);
    }
    
    .ip-table td:last-child { border-bottom: none; }
    
    .ip-table td::before {
        content: attr(data-label);
        font-weight: 500;
        color: var(--text-muted);
        font-size: 13px;
    }
    
    .tech-stack { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
    .container { padding: 0 20px; }
    .hero h1 { font-size: 26px; }
    .hero-desc { font-size: 14px; }
    .typewriter { font-size: 22px; }
    .cursor { font-size: 22px; }
    .section-header h2 { font-size: 24px; }
    .section-header p { font-size: 14px; }
    .service-card { padding: 24px 18px; }
    .feature-card { flex-direction: column; text-align: center; padding: 20px; }
    .feature-icon { margin: 0 auto 12px; }
    
    .tech-cards { grid-template-columns: 1fr !important; }
    .tech-card-grid { grid-template-columns: 1fr !important; }
    .tech-card-item { padding: 20px 16px; }
    
    .hero-stats { gap: 12px; }
    .stat-value { font-size: 20px; }
    .stat-label { font-size: 12px; }
    
    .page-hero { padding: 90px 0 30px; }
    .page-hero h1 { font-size: 26px; }
    
    .domain-card { margin-bottom: 16px; }
    .card-left, .card-right { padding: 16px; }
    
    .ip-table tbody tr { padding: 14px; margin-bottom: 10px; }
}

/* ==================== Fullpage 滚动 ==================== */
.fullpage-container {
    height: 100vh;
    overflow: hidden;
    position: relative;
}

.fullpage-section {
    height: 100vh;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    transition: transform 0.8s cubic-bezier(0.645, 0.045, 0.355, 1);
}

.fullpage-section .container {
    width: 100%;
}

/* 调整各模块在 fullpage 模式下的样式 */
.fullpage-section.hero {
    padding: 0;
}

.fullpage-section.globe-section,
.fullpage-section.monitor-section,
.fullpage-section.features-section,
.fullpage-section.cta-section {
    padding: 0;
}

/* Fullpage 导航指示器 */
.fullpage-nav {
    position: fixed;
    right: 30px;
    top: 50%;
    transform: translateY(-50%);
    z-index: 99;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.fullpage-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(139, 92, 246, 0.3);
    border: 2px solid rgba(139, 92, 246, 0.5);
    cursor: pointer;
    transition: all 0.3s ease;
}

.fullpage-dot:hover {
    background: rgba(139, 92, 246, 0.5);
    transform: scale(1.2);
}

.fullpage-dot.active {
    background: var(--purple-500);
    border-color: var(--purple-400);
    box-shadow: 0 0 15px rgba(139, 92, 246, 0.6);
    transform: scale(1.3);
}

/* 隐藏非首页的 fullpage 导航 */
.page:not(#page-home) .fullpage-nav {
    display: none;
}

/* 移动端隐藏 fullpage 导航 */
@media (max-width: 768px) {
    .fullpage-nav {
        display: none;
    }
    
    /* 平板端恢复正常滚动 */
    .fullpage-container {
        height: auto !important;
        overflow: visible !important;
        overflow-y: auto !important;
    }
    
    .fullpage-section {
        height: auto !important;
        min-height: auto !important;
        padding: 80px 0 !important;
        transform: none !important;
    }
    
    .fullpage-section.hero {
        min-height: auto !important;
        padding: 180px 0 60px !important;
    }
}

@media (max-width: 480px) {
    .fullpage-nav {
        display: none;
    }
    
    /* 移动端恢复正常滚动 */
    .fullpage-container {
        height: auto !important;
        overflow: visible !important;
        overflow-y: auto !important;
    }
    
    .fullpage-section {
        height: auto !important;
        min-height: auto !important;
        padding: 60px 0 !important;
        transform: none !important;
    }
    
    .fullpage-section.hero {
        min-height: auto;
        padding: 180px 0 60px;
    }
}

/* ==================== 特性列表 - 三卡片等高布局 ==================== */
.tech-features-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.tech-feature-item {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 24px;
    display: flex;
    flex-direction: column;
    transition: all 0.3s;
}

.tech-feature-item:hover {
    border-color: var(--border-hover);
    transform: translateY(-4px);
}

.tech-feature-item h4 {
    font-size: 18px;
    font-weight: 700;
    color: var(--purple-400);
    margin-bottom: 12px;
}

.tech-feature-item p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.8;
    flex: 1;
}

/* 移动端适配 */
@media (max-width: 768px) {
    .tech-features-list {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    
    .tech-feature-item {
        padding: 20px;
    }
    
    .tech-feature-item h4 {
        font-size: 16px;
    }
    
    .tech-feature-item p {
        font-size: 13px;
    }
}

/* ==================== Footer - 统一风格 ==================== */
.global-footer .footer-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.global-footer .footer-content {
    text-align: left;
}

.global-footer .footer-brand {
    margin-bottom: 20px;
}

.global-footer .footer-logo-text {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-primary);
    display: block;
    margin-bottom: 10px;
}

.global-footer .footer-logo-text span {
    color: var(--purple-400);
}

.global-footer .footer-desc {
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.8;
}

.global-footer .footer-links {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 12px;
}

.global-footer .footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 12px;
    transition: color 0.3s;
}

.global-footer .footer-links a:hover {
    color: var(--purple-400);
}

.global-footer .footer-sep {
    color: var(--text-muted);
    opacity: 0.3;
    font-size: 12px;
}

.global-footer .copyright {
    font-size: 11px;
    color: var(--text-muted);
    opacity: 0.6;
    text-align: center;
    margin-top: 20px;
}

/* 移动端 Footer 适配 */
@media (max-width: 768px) {
    .global-footer .footer-content {
        text-align: left;
    }
    
    .global-footer .footer-desc {
        font-size: 13px;
    }
    
    .global-footer .footer-links {
        flex-wrap: wrap;
        gap: 10px;
    }
}

/* ==================== 为什么选择我们 - 四卡片布局 ==================== */
.why-us-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-bottom: 48px;
}

.why-us-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 24px 20px;
    transition: all 0.3s;
    position: relative;
}

.why-us-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-4px);
}

.why-us-num {
    display: block;
    font-size: 32px;
    font-weight: 800;
    background: linear-gradient(135deg, var(--purple-400), var(--cyan-400));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 12px;
    line-height: 1;
}

.why-us-card h4 {
    font-size: 16px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 10px;
}

.why-us-card p {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.7;
}

.cta-bottom {
    text-align: center;
}

@media (max-width: 1024px) {
    .why-us-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .why-us-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    
    .why-us-card {
        padding: 24px 20px;
    }
    
    .why-us-num {
        font-size: 28px;
    }
    
    .why-us-card h4 {
        font-size: 16px;
    }
}