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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 70px;
}

:root {
    --primary-color: #ff6b35;
    --secondary-color: #ff8c42;
    --accent-color: #ffa726;
    --success-color: #ff9500;
    --bg-dark: #1a1a1a;
    --bg-darker: #0a0a0a;
    --bg-card: #262626;
    --text-light: #ffffff;
    --text-gray: #e5e5e5;
    --text-muted: #a3a3a3;
    --border-color: rgba(255, 107, 53, 0.15);
    --gradient-1: linear-gradient(135deg, #ff6b35 0%, #ff8c42 100%);
    --gradient-2: linear-gradient(135deg, #ffa726 0%, #ff6b35 100%);
    --gradient-3: linear-gradient(135deg, #ff8c42 0%, #ffb74d 100%);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
    background: var(--bg-darker);
    color: var(--text-light);
    line-height: 1.7;
    overflow-x: hidden;
    font-size: 16px;
    letter-spacing: -0.01em;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 60px;
}

/* 粒子背景 */
#particles {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background: radial-gradient(ellipse at bottom, #1a0f0a 0%, #0a0a0a 100%);
}

/* 导航栏 */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: linear-gradient(180deg, rgba(255, 107, 53, 0.08) 0%, rgba(10, 10, 10, 0.6) 100%);
    backdrop-filter: blur(20px);
    z-index: 1000;
    border-bottom: 1px solid rgba(255, 107, 53, 0.4);
    box-shadow: 
        0 1px 30px rgba(255, 107, 53, 0.15),
        inset 0 1px 0 rgba(255, 107, 53, 0.1);
    transition: all 0.3s ease;
    min-height: 70px;
}

.navbar .container {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px 60px;
    position: relative;
    min-height: 70px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 20px;
    font-weight: bold;
    position: absolute;
    left: 60px;
}

.logo a {
    display: flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    outline: none;
    border: none;
}

.logo a:focus,
.logo a:active {
    outline: none;
    border: none;
    box-shadow: none;
}

.logo-icon {
    color: var(--primary-color);
    font-size: 22px;
    animation: rotate 4s linear infinite;
}

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

.logo-text {
    background: var(--gradient-2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 8px;
}

.nav-menu a {
    color: var(--text-gray);
    text-decoration: none;
    font-size: 15px;
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
    padding: 8px 16px;
    border-radius: 6px;
    background: transparent;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: var(--gradient-2);
    transition: width 0.3s ease;
    box-shadow: 0 0 10px rgba(255, 107, 53, 0.5);
}

.nav-menu a:hover {
    color: var(--primary-color);
    background: rgba(255, 107, 53, 0.08);
}

.nav-menu a:hover::after {
    width: 60%;
}

/* 登录注册按钮 */
.nav-auth {
    display: flex;
    align-items: center;
    gap: 12px;
    position: absolute;
    right: 60px;
}

.auth-btn {
    padding: 10px 24px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    border: 2px solid transparent;
    letter-spacing: 0.3px;
}

.login-btn {
    color: var(--primary-color);
    border-color: var(--primary-color);
    background: transparent;
}

.login-btn:hover {
    border-color: var(--secondary-color);
    background: var(--primary-color);
    color: var(--text-light);
    box-shadow: 0 0 20px rgba(255, 107, 53, 0.4);
    transform: translateY(-2px);
}

.register-btn {
    color: var(--text-light);
    background: var(--gradient-1);
    border-color: transparent;
    position: relative;
    overflow: hidden;
    z-index: 1;
    box-shadow: 0 2px 10px rgba(255, 107, 53, 0.3);
}

.register-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-2);
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: -1;
}

.register-btn:hover::before {
    opacity: 1;
}

.register-btn:hover {
    box-shadow: 0 6px 25px rgba(255, 107, 53, 0.6);
    transform: translateY(-3px);
}

.unified-btn {
    color: var(--text-light);
    background: var(--gradient-1);
    border-color: transparent;
    position: relative;
    overflow: hidden;
    z-index: 1;
    box-shadow: 0 2px 10px rgba(255, 107, 53, 0.3);
}

.unified-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-2);
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: -1;
}

.unified-btn:hover::before {
    opacity: 1;
}

.unified-btn:hover {
    box-shadow: 0 6px 25px rgba(255, 107, 53, 0.6);
    transform: translateY(-3px);
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--primary-color);
    transition: all 0.3s ease;
}

/* 英雄区块 */
.hero {
    min-height: 90vh;
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: 48px;
    padding: 100px 60px 60px;
    position: relative;
}

.hero-badge {
    display: inline-block;
    padding: 8px 18px;
    background: rgba(255, 107, 53, 0.1);
    border: 1px solid rgba(255, 107, 53, 0.3);
    border-radius: 50px;
    color: var(--primary-color);
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    margin-bottom: 24px;
    animation: fadeInUp 0.8s ease;
}

.hero-title {
    font-size: 52px;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 20px;
    letter-spacing: -0.02em;
    animation: fadeInUp 0.8s ease 0.2s;
    animation-fill-mode: both;
}

.gradient-text {
    background: var(--gradient-2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 17px;
    color: var(--text-gray);
    line-height: 1.7;
    margin-bottom: 32px;
    max-width: 520px;
    animation: fadeInUp 0.8s ease 0.4s;
    animation-fill-mode: both;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    margin-bottom: 48px;
    animation: fadeInUp 0.8s ease 0.6s;
    animation-fill-mode: both;
}

.btn {
    position: relative;
    padding: 12px 28px;
    border-radius: 8px;
    text-decoration: none;
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 0.3px;
    transition: all 0.3s ease;
    overflow: hidden;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.btn-primary {
    background: var(--gradient-2);
    color: var(--text-light);
    border: none;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 40px rgba(255, 107, 53, 0.4);
}

.btn-glow {
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.5s ease;
}

.btn:hover .btn-glow {
    left: 100%;
}

.btn-secondary {
    background: rgba(255, 107, 53, 0.1);
    color: var(--text-light);
    border: 1.5px solid rgba(255, 107, 53, 0.3);
}

.btn-secondary:hover {
    background: rgba(255, 107, 53, 0.15);
    border-color: var(--primary-color);
    transform: translateY(-2px);
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    animation: fadeInUp 0.8s ease 0.8s;
    animation-fill-mode: both;
}

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

.stat-number {
    font-size: 36px;
    font-weight: 700;
    background: var(--gradient-2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 6px;
    letter-spacing: -0.02em;
}

.stat-label {
    color: var(--text-muted);
    font-size: 13px;
    font-weight: 500;
    letter-spacing: 0.3px;
}

/* 地球可视化 */
.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
    animation: fadeIn 1s ease;
}

.globe-container {
    position: relative;
    width: 380px;
    height: 380px;
}

.globe {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 240px;
    height: 240px;
    background: radial-gradient(circle at 30% 30%, #ff8c42, #ff6b35);
    border-radius: 50%;
    box-shadow: 
        0 0 60px rgba(255, 107, 53, 0.5),
        inset 0 0 60px rgba(0, 0, 0, 0.5);
    animation: float 6s ease-in-out infinite;
}

.orbit {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    border: 2px solid rgba(255, 107, 53, 0.3);
    border-radius: 50%;
}

.orbit-1 {
    width: 280px;
    height: 280px;
    animation: rotate 20s linear infinite;
}

.orbit-2 {
    width: 330px;
    height: 330px;
    animation: rotate 30s linear infinite reverse;
}

.orbit-3 {
    width: 380px;
    height: 380px;
    animation: rotate 40s linear infinite;
}

@keyframes float {
    0%, 100% { transform: translate(-50%, -50%) translateY(0); }
    50% { transform: translate(-50%, -50%) translateY(-20px); }
}

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

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* 服务展示 */
.services {
    padding: 100px 0 80px;
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: 56px;
}

.section-title {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 12px;
    letter-spacing: -0.02em;
}

.section-subtitle {
    font-size: 16px;
    color: var(--text-muted);
    line-height: 1.7;
    font-weight: 400;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.service-card {
    background: rgba(38, 38, 38, 0.6);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 32px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(10px);
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-2);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.service-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary-color);
    box-shadow: 0 20px 60px rgba(255, 107, 53, 0.3);
}

.service-card:hover::before {
    opacity: 0.05;
}

.service-card > * {
    position: relative;
    z-index: 1;
}

.service-icon {
    width: 64px;
    height: 64px;
    background: var(--gradient-2);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
}

.service-icon svg {
    width: 32px;
    height: 32px;
    color: white;
}

.service-title {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 12px;
    letter-spacing: -0.01em;
}

.service-desc {
    color: var(--text-muted);
    margin-bottom: 20px;
    line-height: 1.6;
    font-size: 14px;
}

.service-features {
    list-style: none;
}

.service-features li {
    padding: 8px 0;
    color: var(--text-gray);
    position: relative;
    padding-left: 22px;
    font-size: 13px;
    font-weight: 500;
}

.service-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--success-color);
    font-weight: bold;
    font-size: 14px;
}

/* 特性优势 */
.features {
    padding: 100px 0 80px;
    background: rgba(0, 0, 0, 0.3);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.feature-item {
    padding: 32px;
    border-left: 3px solid transparent;
    transition: all 0.3s ease;
}

.feature-item:hover {
    border-left-color: var(--primary-color);
    background: rgba(255, 107, 53, 0.05);
}

.feature-number {
    font-size: 32px;
    font-weight: 700;
    background: var(--gradient-2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 16px;
    letter-spacing: -0.02em;
}

.feature-item h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 10px;
    letter-spacing: -0.01em;
}

.feature-item p {
    color: var(--text-muted);
    line-height: 1.6;
    font-size: 14px;
}

/* 云服务器详解 */
.servers {
    padding: 100px 0 80px;
    background: rgba(0, 0, 0, 0.2);
}

.servers-content {
    display: flex;
    flex-direction: column;
    gap: 60px;
}

/* 服务器类型卡片 */
.server-types {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.server-type-card {
    position: relative;
    background: rgba(38, 38, 38, 0.6);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 28px;
    transition: all 0.3s ease;
    overflow: hidden;
    backdrop-filter: blur(10px);
}

.server-type-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--gradient-2);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.server-type-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary-color);
    box-shadow: 0 20px 60px rgba(255, 107, 53, 0.3);
}

.server-type-card:hover::before {
    transform: scaleX(1);
}

.server-badge {
    position: absolute;
    top: 16px;
    right: 16px;
    padding: 4px 12px;
    background: var(--gradient-2);
    border-radius: 12px;
    font-size: 11px;
    font-weight: 600;
}

.server-type-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.server-type-header h3 {
    font-size: 19px;
    font-weight: 600;
    color: var(--text-light);
    letter-spacing: -0.01em;
}

.server-icon {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-2);
    border-radius: 10px;
    transition: all 0.3s ease;
}

.server-icon svg {
    width: 26px;
    height: 26px;
    stroke: white;
    transition: all 0.3s ease;
}

.server-type-card:hover .server-icon {
    transform: rotate(5deg) scale(1.1);
    box-shadow: 0 10px 30px rgba(255, 107, 53, 0.4);
}

.server-type-card:hover .server-icon svg {
    filter: drop-shadow(0 0 10px rgba(255, 255, 255, 0.8));
}

.server-desc {
    color: var(--text-muted);
    margin-bottom: 18px;
    line-height: 1.6;
    font-size: 14px;
}

.server-specs {
    list-style: none;
    margin-bottom: 20px;
}

.server-specs li {
    padding: 10px 0;
    color: var(--text-gray);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    font-size: 13px;
}

.server-specs li strong {
    color: var(--primary-color);
    font-weight: 600;
}

.server-features {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.feature-tag {
    padding: 6px 12px;
    background: rgba(255, 107, 53, 0.1);
    border: 1px solid rgba(255, 107, 53, 0.25);
    border-radius: 6px;
    font-size: 12px;
    font-weight: 500;
    color: var(--primary-color);
    transition: all 0.3s ease;
    letter-spacing: 0.2px;
}

.feature-tag:hover {
    background: rgba(255, 107, 53, 0.2);
    border-color: var(--primary-color);
}

/* 服务器优势 */
.server-advantages {
    text-align: center;
}

.advantage-title {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 40px;
    background: var(--gradient-2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.02em;
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.advantage-item {
    text-align: center;
    padding: 24px;
    background: rgba(255, 255, 255, 0.02);
    border-radius: 12px;
    transition: all 0.3s ease;
}

.advantage-item:hover {
    background: rgba(255, 255, 255, 0.05);
    transform: translateY(-5px);
}

.advantage-icon {
    width: 56px;
    height: 56px;
    margin: 0 auto 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(255, 107, 53, 0.1) 0%, rgba(255, 140, 66, 0.1) 100%);
    border: 2px solid rgba(255, 107, 53, 0.3);
    border-radius: 50%;
    transition: all 0.3s ease;
}

.advantage-icon svg {
    width: 28px;
    height: 28px;
    stroke: var(--primary-color);
    transition: all 0.3s ease;
}

.advantage-item:hover .advantage-icon {
    background: linear-gradient(135deg, rgba(255, 107, 53, 0.2) 0%, rgba(255, 140, 66, 0.2) 100%);
    border-color: var(--primary-color);
    transform: scale(1.1) rotate(360deg);
}

.advantage-item:hover .advantage-icon svg {
    stroke: var(--primary-color);
    filter: drop-shadow(0 0 10px var(--primary-color));
}

.advantage-item h4 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--text-light);
    letter-spacing: -0.01em;
}

.advantage-item p {
    color: var(--text-muted);
    line-height: 1.6;
    font-size: 13px;
}

/* 应用场景 */
.server-scenarios {
    text-align: center;
}

.scenario-title {
    font-size: 36px;
    margin-bottom: 50px;
    background: var(--gradient-2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.scenarios-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.scenario-card {
    padding: 40px 30px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 107, 53, 0.1);
    border-radius: 15px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.scenario-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-2);
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: 0;
}

.scenario-card:hover {
    border-color: var(--primary-color);
    transform: translateY(-5px);
}

.scenario-card:hover::after {
    opacity: 0.05;
}

.scenario-card > * {
    position: relative;
    z-index: 1;
}

.scenario-number {
    font-size: 48px;
    font-weight: 800;
    background: var(--gradient-2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 20px;
}

.scenario-card h4 {
    font-size: 18px;
    margin-bottom: 15px;
    color: var(--text-light);
}

.scenario-card p {
    color: var(--text-gray);
    font-size: 14px;
    line-height: 1.6;
}

/* 服务器CTA */
.servers-cta {
    text-align: center;
    padding: 60px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 107, 53, 0.2);
    border-radius: 20px;
    position: relative;
    overflow: hidden;
}

.servers-cta::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 107, 53, 0.1) 0%, transparent 70%);
    animation: pulse 3s ease-in-out infinite;
}

.servers-cta > * {
    position: relative;
    z-index: 1;
}

.servers-cta h3 {
    font-size: 36px;
    margin-bottom: 15px;
}

.servers-cta p {
    color: var(--text-gray);
    font-size: 18px;
    margin-bottom: 30px;
}

.cta-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
}

/* 网络分布 */
.network {
    padding: 100px 0 80px;
    background: rgba(0, 0, 0, 0.3);
}

/* 网络可视化容器 */
.network-visualization {
    position: relative;
    margin-bottom: 60px;
}

#networkCanvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
}

/* 世界地图容器 */
.world-map-container {
    position: relative;
    height: 500px;
    background: 
        linear-gradient(180deg, rgba(255, 107, 53, 0.02) 0%, transparent 100%),
        radial-gradient(circle at 30% 40%, rgba(255, 107, 53, 0.08), transparent 60%),
        radial-gradient(circle at 70% 60%, rgba(255, 140, 66, 0.08), transparent 60%);
    border: 1px solid rgba(255, 107, 53, 0.3);
    border-radius: 16px;
    overflow: visible;
    box-shadow: 
        0 0 60px rgba(255, 107, 53, 0.15),
        inset 0 0 80px rgba(255, 107, 53, 0.05);
    z-index: 2;
}

/* SVG世界地图 */
.world-map {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0.95;
    z-index: 1;
    color: var(--primary-color);
}

.map-background .continent {
    fill: rgba(255, 107, 53, 0.18);
    stroke: var(--primary-color);
    stroke-width: 2;
    stroke-opacity: 0.8;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    filter: drop-shadow(0 3px 12px rgba(255, 107, 53, 0.5));
}

.map-background .continent:hover {
    fill: rgba(255, 107, 53, 0.3);
    stroke-opacity: 1;
    stroke-width: 2.5;
    filter: drop-shadow(0 6px 25px rgba(255, 107, 53, 0.8));
}

.grid-lines {
    stroke: var(--primary-color);
}

/* 节点容器 */
.map-nodes {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 3;
}

/* 国家节点样式 */
.country-node {
    position: absolute;
    transform: translate(-50%, -50%);
    cursor: pointer;
    z-index: 10;
    transition: all 0.3s ease;
}

.node-marker {
    position: relative;
    width: 40px;
    height: 40px;
}

.node-core {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 10px;
    height: 10px;
    background: var(--primary-color);
    border-radius: 50%;
    box-shadow: 
        0 0 15px var(--primary-color),
        0 0 30px rgba(255, 107, 53, 0.6);
    z-index: 3;
    transition: all 0.3s ease;
}

.node-ring {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 24px;
    height: 24px;
    border: 2px solid var(--primary-color);
    border-radius: 50%;
    animation: nodeRingPulse 2s ease-in-out infinite;
    z-index: 2;
}

.node-ring::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 35px;
    height: 35px;
    border: 1px solid var(--primary-color);
    border-radius: 50%;
    animation: nodePulse 2s ease-in-out infinite;
    opacity: 0.5;
}

@keyframes nodeRingPulse {
    0%, 100% {
        transform: translate(-50%, -50%) scale(1);
        opacity: 0.7;
    }
    50% {
        transform: translate(-50%, -50%) scale(1.2);
        opacity: 0.4;
    }
}

@keyframes nodePulse {
    0% {
        transform: translate(-50%, -50%) scale(1);
        opacity: 0.6;
    }
    100% {
        transform: translate(-50%, -50%) scale(2);
        opacity: 0;
    }
}

/* 节点标签 */
.node-label {
    position: absolute;
    top: 45px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, rgba(255, 107, 53, 0.95) 0%, rgba(255, 140, 66, 0.95) 100%);
    padding: 6px 12px;
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: all 0.3s ease;
    box-shadow: 0 5px 20px rgba(255, 107, 53, 0.4);
    z-index: 20;
}

.country-name {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-light);
    margin-bottom: 3px;
}

.node-count {
    display: block;
    font-size: 16px;
    font-weight: 700;
    color: var(--text-light);
    text-align: center;
}

.node-count::after {
    content: ' 节点';
    font-size: 11px;
    font-weight: 400;
    opacity: 0.8;
}

.country-node:hover .node-label {
    opacity: 1;
    transform: translateX(-50%) translateY(-5px);
}

.country-node:hover .node-core {
    transform: translate(-50%, -50%) scale(1.5);
    box-shadow: 
        0 0 25px var(--primary-color),
        0 0 50px rgba(255, 107, 53, 0.8);
}


/* 实时统计面板 */
.network-stats-panel {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-bottom: 48px;
}

.network-stat {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 24px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 107, 53, 0.2);
    border-radius: 12px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.network-stat::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--gradient-2);
    transform: scaleY(0);
    transition: transform 0.3s ease;
}

.network-stat:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
    box-shadow: 0 10px 40px rgba(255, 107, 53, 0.3);
}

.network-stat:hover::before {
    transform: scaleY(1);
}

.stat-icon {
    width: 42px;
    height: 42px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 107, 53, 0.1);
    border-radius: 10px;
    transition: all 0.3s ease;
}

.stat-icon svg {
    width: 22px;
    height: 22px;
    stroke: var(--primary-color);
    transition: all 0.3s ease;
}

.network-stat:hover .stat-icon {
    background: rgba(255, 107, 53, 0.2);
    transform: scale(1.1);
}

.network-stat:hover .stat-icon svg {
    stroke: var(--primary-color);
    filter: drop-shadow(0 0 10px var(--primary-color));
}

.stat-content {
    flex: 1;
}

.stat-value {
    font-size: 26px;
    font-weight: 700;
    background: var(--gradient-2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 4px;
    letter-spacing: -0.02em;
}

.stat-label {
    color: var(--text-muted);
    font-size: 12px;
    font-weight: 500;
    margin-bottom: 8px;
    letter-spacing: 0.3px;
}

.stat-bar {
    width: 100%;
    height: 4px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 2px;
    overflow: hidden;
}

.stat-progress {
    height: 100%;
    background: var(--gradient-2);
    border-radius: 2px;
    animation: progressLoad 2s ease-out;
}

@keyframes progressLoad {
    from {
        width: 0;
    }
}

/* 区域详情 */
.region-details {
    text-align: center;
}

.details-title {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 40px;
    background: var(--gradient-2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.02em;
}

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

.region-card {
    background: rgba(38, 38, 38, 0.6);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 20px 18px;
    text-align: left;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.region-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
    box-shadow: 0 10px 40px rgba(255, 107, 53, 0.2);
}

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

.region-flag {
    width: 38px;
    height: 38px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(255, 107, 53, 0.15) 0%, rgba(255, 140, 66, 0.15) 100%);
    border-radius: 8px;
    transition: all 0.3s ease;
}

.region-flag svg {
    width: 20px;
    height: 20px;
    stroke: var(--primary-color);
    transition: all 0.3s ease;
}

.region-card:hover .region-flag {
    background: linear-gradient(135deg, rgba(255, 107, 53, 0.3) 0%, rgba(255, 140, 66, 0.3) 100%);
    transform: scale(1.1);
}

.region-card:hover .region-flag svg {
    stroke: white;
    filter: drop-shadow(0 0 8px var(--primary-color));
}

.region-header h4 {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-light);
    letter-spacing: -0.01em;
}

.city-list {
    list-style: none;
    margin-bottom: 20px;
}

.city-list li {
    padding: 8px 0;
    color: var(--text-muted);
    font-size: 14px;
    font-weight: 400;
    display: flex;
    align-items: center;
    gap: 10px;
}

.city-dot {
    width: 6px;
    height: 6px;
    background: var(--primary-color);
    border-radius: 50%;
    box-shadow: 0 0 6px var(--primary-color);
}

.region-stats-mini {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 15px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 13px;
    color: var(--text-gray);
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    animation: statusBlink 2s ease-in-out infinite;
}

.status-dot.online {
    background: #ffa726;
    box-shadow: 0 0 10px #ffa726;
}

@keyframes statusBlink {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

/* 联系我们 */
.contact {
    padding: 100px 0 80px;
    background: rgba(0, 0, 0, 0.3);
}

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

.contact-info h2 {
    font-size: 34px;
    font-weight: 700;
    margin-bottom: 14px;
    letter-spacing: -0.02em;
}

.contact-info > p {
    color: var(--text-muted);
    font-size: 15px;
    line-height: 1.6;
    margin-bottom: 32px;
}

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

.contact-item {
    display: flex;
    gap: 16px;
    padding: 18px 20px;
    background: rgba(38, 38, 38, 0.6);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.contact-item:hover {
    border-color: var(--primary-color);
    transform: translateX(10px);
}

.contact-icon {
    width: 46px;
    height: 46px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-2);
    border-radius: 10px;
    flex-shrink: 0;
    transition: all 0.3s ease;
}

.contact-icon svg {
    width: 22px;
    height: 22px;
    stroke: white;
    transition: all 0.3s ease;
}

.contact-item:hover .contact-icon {
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 10px 30px rgba(255, 107, 53, 0.5);
}

.contact-item:hover .contact-icon svg {
    filter: drop-shadow(0 0 10px rgba(255, 255, 255, 0.8));
}

.contact-text h4 {
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 4px;
    letter-spacing: -0.01em;
}

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

.contact-text p a {
    transition: all 0.3s ease;
    display: inline-block;
}

.contact-text p a:hover {
    color: var(--primary-color) !important;
    transform: translateX(5px);
}

.contact-form {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 107, 53, 0.1);
    border-radius: 20px;
    padding: 40px;
}

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

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 15px 20px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 107, 53, 0.2);
    border-radius: 10px;
    color: var(--text-light);
    font-size: 16px;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    background: rgba(255, 255, 255, 0.08);
}

.form-group textarea {
    resize: vertical;
}

.contact-form .btn {
    width: 100%;
    border: none;
    cursor: pointer;
}

/* 页脚 */
.footer {
    background: var(--bg-darker);
    padding: 60px 0 24px;
    border-top: 1px solid rgba(255, 107, 53, 0.1);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 3fr;
    gap: 60px;
    margin-bottom: 40px;
}

.footer-brand p {
    color: var(--text-gray);
    margin-top: 20px;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.footer-column h4 {
    font-size: 18px;
    margin-bottom: 20px;
    color: var(--primary-color);
}

.footer-column ul {
    list-style: none;
}

.footer-column ul li {
    margin-bottom: 12px;
}

.footer-column ul li a {
    color: var(--text-gray);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    color: var(--text-gray);
}

/* 响应式设计 */
@media (max-width: 1440px) {
    .container {
        padding: 0 60px;
    }
    
    .navbar .container {
        padding: 40px 60px;
    }
    
    .logo {
        left: 60px;
    }
    
    .nav-auth {
        right: 60px;
    }
    
    .hero {
        padding: 120px 60px 80px;
    }
    
    .hero-title {
        font-size: 64px;
    }
}

@media (max-width: 1200px) {
    .container {
        padding: 0 40px;
    }
    
    .navbar .container {
        padding: 20px 40px;
    }
    
    .logo {
        left: 40px;
    }
    
    .nav-auth {
        right: 40px;
    }
    
    .hero {
        padding: 120px 40px 80px;
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .hero-title {
        font-size: 56px;
    }
    
    .globe-container {
        width: 400px;
        height: 400px;
    }
    
    .globe {
        width: 250px;
        height: 250px;
    }
    
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .server-types {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .advantages-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .scenarios-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .network-stats-panel {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .regions-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 20px;
    }
    
    .navbar .container {
        padding: 18px 20px;
        justify-content: space-between;
        min-height: 70px;
    }
    
    .logo {
        position: relative;
        left: 0;
    }
    
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: rgba(10, 10, 10, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 30px;
        transition: left 0.3s ease;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-menu a {
        font-size: 18px;
        padding: 12px 40px;
        width: 80%;
        text-align: center;
    }
    
    .nav-menu a::after {
        bottom: 8px;
    }
    
    .nav-auth {
        position: fixed;
        top: 70px;
        right: -100%;
        display: flex;
        flex-direction: column;
        gap: 15px;
        background: rgba(10, 10, 10, 0.98);
        backdrop-filter: blur(20px);
        padding: 20px;
        width: 200px;
        transition: right 0.3s ease;
        z-index: 999;
    }
    
    .nav-auth.active {
        right: 0;
    }
    
    .auth-btn {
        width: 100%;
        text-align: center;
        padding: 12px 20px;
    }
    
    .hamburger {
        display: flex;
    }
    
    .hero {
        padding: 100px 20px 60px;
        min-height: auto;
    }
    
    .hero-title {
        font-size: 40px;
    }
    
    .hero-subtitle {
        font-size: 16px;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
    }
    
    .hero-stats {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .globe-container {
        width: 300px;
        height: 300px;
    }
    
    .globe {
        width: 200px;
        height: 200px;
    }
    
    .orbit-1 {
        width: 250px;
        height: 250px;
    }
    
    .orbit-2 {
        width: 300px;
        height: 300px;
    }
    
    .orbit-3 {
        width: 350px;
        height: 350px;
    }
    
    .section-title {
        font-size: 36px;
    }
    
    .section-subtitle {
        font-size: 16px;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .server-types {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .server-type-card {
        padding: 30px;
    }
    
    .advantage-title,
    .scenario-title {
        font-size: 28px;
    }
    
    .advantages-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .scenarios-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .servers-cta {
        padding: 40px 20px;
    }
    
    .servers-cta h3 {
        font-size: 28px;
    }
    
    .cta-buttons {
        flex-direction: column;
    }
    
    .map-container {
        height: 400px;
    }
    
    .world-map-container {
        height: 350px;
    }
    
    .country-node {
        transform: scale(0.8);
    }
    
    .node-label {
        font-size: 11px;
    }
    
    .node-count {
        font-size: 13px;
    }
    
    .network-stats-panel {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .network-stat {
        flex-direction: column;
        text-align: center;
    }
    
    .regions-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .contact-info h2 {
        font-size: 32px;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
        gap: 30px;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 32px;
    }
    
    .hero-subtitle {
        font-size: 14px;
    }
    
    .stat-number {
        font-size: 36px;
    }
    
    .section-title {
        font-size: 28px;
    }
    
    .service-title {
        font-size: 22px;
    }
    
    .feature-number {
        font-size: 36px;
    }
    
    .network-stat h3 {
        font-size: 36px;
    }
}