/* Version B - 渐变紫风格 */
:root {
    --primary: #7C3AED;
    --primary-light: #A78BFA;
    --secondary: #EC4899;
    --bg: #0F0A1A;
    --bg-card: #1A1128;
    --bg-card-hover: #251A38;
    --text: #FFFFFF;
    --text-muted: #A0A0B0;
    --gradient: linear-gradient(135deg, var(--primary), var(--secondary));
}
* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: 'PingFang SC', 'Microsoft YaHei', sans-serif; background: var(--bg); color: var(--text); line-height: 1.6; }
a { text-decoration: none; color: inherit; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.navbar { position: fixed; top: 0; width: 100%; background: rgba(15,10,26,0.95); backdrop-filter: blur(10px); z-index: 1000; border-bottom: 1px solid rgba(124,58,237,0.2); }
.nav-container { max-width: 1200px; margin: 0 auto; padding: 0 20px; display: flex; align-items: center; justify-content: space-between; height: 70px; }
.logo { display: flex; align-items: center; gap: 8px; }
.logo-icon { font-size: 1.5rem; }
.logo-text { font-size: 1.25rem; font-weight: 700; background: var(--gradient); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.nav-links { display: flex; gap: 32px; list-style: none; }
.nav-links a { color: var(--text-muted); transition: 0.3s; }
.nav-links a:hover, .nav-links a.active { color: var(--primary-light); }
.nav-cta { background: var(--gradient); color: white; padding: 10px 24px; border-radius: 25px; font-weight: 600; transition: 0.3s; }
.nav-cta:hover { transform: translateY(-2px); box-shadow: 0 4px 20px rgba(124,58,237,0.4); }
.mobile-menu { display: none; background: none; border: none; color: white; font-size: 1.5rem; cursor: pointer; }
.hero { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 100px 20px; position: relative; overflow: hidden; }
.hero-particles { position: absolute; inset: 0; pointer-events: none; }
.particle { position: absolute; width: 6px; height: 6px; background: var(--primary-light); border-radius: 50%; animation: float 15s infinite; opacity: 0.5; }
.particle:nth-child(1) { left: 10%; top: 20%; animation-delay: 0s; }
.particle:nth-child(2) { left: 80%; top: 30%; animation-delay: 2s; }
.particle:nth-child(3) { left: 50%; top: 70%; animation-delay: 4s; }
.particle:nth-child(4) { left: 20%; top: 80%; animation-delay: 6s; }
.particle:nth-child(5) { left: 70%; top: 60%; animation-delay: 8s; }
@keyframes float { 0%, 100% { transform: translate(0, 0) scale(1); } 25% { transform: translate(20px, -30px) scale(1.2); } 50% { transform: translate(-10px, 20px) scale(0.8); } 75% { transform: translate(30px, 10px) scale(1.1); } }
.hero-content { text-align: center; max-width: 700px; position: relative; z-index: 1; }
.hero-badge { display: inline-block; background: rgba(124,58,237,0.2); border: 1px solid var(--primary); padding: 8px 20px; border-radius: 20px; font-size: 0.875rem; margin-bottom: 24px; }
.hero-title { font-size: 4rem; font-weight: 800; background: var(--gradient); -webkit-background-clip: text; -webkit-text-fill-color: transparent; margin-bottom: 16px; }
.hero-tagline { font-size: 1.25rem; background: var(--gradient); -webkit-background-clip: text; -webkit-text-fill-color: transparent; margin-bottom: 16px; letter-spacing: 4px; }
.hero-desc { color: var(--text-muted); font-size: 1.125rem; margin-bottom: 40px; }
.hero-buttons { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 14px 32px; border-radius: 30px; font-size: 1rem; font-weight: 600; transition: 0.3s; cursor: pointer; border: none; }
.btn-primary { background: var(--gradient); color: white; }
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 10px 40px rgba(124,58,237,0.4); }
.btn-outline { background: transparent; border: 2px solid var(--primary); color: var(--primary-light); }
.btn-outline:hover { background: var(--primary); color: white; }
.btn-cta { background: var(--gradient); color: white; padding: 16px 48px; font-size: 1.125rem; border-radius: 30px; }
.hero-nodes { position: absolute; right: 10%; top: 50%; transform: translateY(-50%); width: 300px; height: 300px; }
.node-ring { position: absolute; border: 2px solid var(--primary); border-radius: 50%; opacity: 0.3; }
.ring-1 { width: 100%; height: 100%; animation: pulse-ring 3s infinite; }
.ring-2 { width: 70%; height: 70%; top: 15%; left: 15%; animation: pulse-ring 3s infinite 0.5s; }
.ring-3 { width: 40%; height: 40%; top: 30%; left: 30%; animation: pulse-ring 3s infinite 1s; }
@keyframes pulse-ring { 0% { opacity: 0.3; transform: scale(1); } 50% { opacity: 0.1; transform: scale(1.1); } 100% { opacity: 0.3; transform: scale(1); } }
.node-center { position: absolute; width: 80px; height: 80px; background: var(--gradient); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 2.5rem; top: 50%; left: 50%; transform: translate(-50%, -50%); }
.stats-bar { background: var(--bg-card); padding: 40px 0; border-top: 1px solid rgba(124,58,237,0.2); border-bottom: 1px solid rgba(124,58,237,0.2); }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px; text-align: center; }
.stat-item { padding: 20px; }
.stat-num { font-size: 2.5rem; font-weight: 700; background: var(--gradient); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.stat-label { color: var(--text-muted); margin-left: 8px; }
.section-title { font-size: 2.5rem; font-weight: 700; text-align: center; margin-bottom: 60px; background: var(--gradient); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.features { padding: 100px 0; }
.features-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.feature-card { background: var(--bg-card); border-radius: 20px; padding: 40px 32px; text-align: center; transition: 0.3s; border: 1px solid transparent; }
.feature-card:hover { background: var(--bg-card-hover); border-color: var(--primary); transform: translateY(-8px); }
.feature-icon { font-size: 3rem; margin-bottom: 20px; }
.feature-card h3 { font-size: 1.25rem; margin-bottom: 12px; }
.feature-card p { color: var(--text-muted); }
.servers { padding: 100px 0; background: var(--bg-card); }
.servers-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.server-card { background: var(--bg); border-radius: 12px; padding: 24px; display: flex; align-items: center; gap: 12px; transition: 0.3s; cursor: pointer; }
.server-card:hover { background: var(--bg-card-hover); transform: translateX(4px); }
.server-flag { font-size: 1.5rem; }
.server-name { flex: 1; font-weight: 500; }
.server-ping { background: rgba(124,58,237,0.2); padding: 4px 10px; border-radius: 10px; font-size: 0.75rem; color: var(--primary-light); }
.servers-more { text-align: center; margin-top: 32px; color: var(--primary-light); }
.platforms { padding: 100px 0; }
.platforms-grid { display: flex; justify-content: center; gap: 24px; flex-wrap: wrap; }
.platform-item { background: var(--bg-card); border-radius: 16px; padding: 32px 40px; text-align: center; display: flex; flex-direction: column; align-items: center; gap: 12px; transition: 0.3s; position: relative; }
.platform-item:hover { background: var(--bg-card-hover); transform: translateY(-4px); }
.platform-tag { position: absolute; top: -8px; right: -8px; background: var(--secondary); color: white; font-size: 0.7rem; padding: 4px 8px; border-radius: 10px; }
.platform-icon { font-size: 3rem; }
.platform-name { font-size: 1.125rem; font-weight: 600; }
.testimonials { padding: 100px 0; background: var(--bg-card); }
.testimonials-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.testimonial-card { background: var(--bg); border-radius: 20px; padding: 32px; position: relative; }
.testimonial-card.highlight { background: var(--gradient); }
.quote { font-size: 4rem; line-height: 1; opacity: 0.3; }
.testimonial-card p { font-size: 1.125rem; line-height: 1.8; margin-bottom: 20px; }
.author { font-weight: 600; }
.faq { padding: 100px 0; }
.faq-list { max-width: 800px; margin: 0 auto; }
.faq-item { background: var(--bg-card); border-radius: 12px; margin-bottom: 12px; overflow: hidden; }
.faq-item summary { padding: 20px 24px; font-weight: 600; cursor: pointer; list-style: none; display: flex; justify-content: space-between; }
.faq-item summary::after { content: '+'; color: var(--primary-light); font-size: 1.5rem; }
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item p { padding: 0 24px 20px; color: var(--text-muted); }
.cta { padding: 100px 0; background: var(--gradient); text-align: center; }
.cta h2 { font-size: 2.5rem; margin-bottom: 16px; }
.cta p { margin-bottom: 32px; opacity: 0.9; }
.cta .btn-cta { background: white; color: var(--primary); }
.cta .btn-cta:hover { transform: translateY(-3px); box-shadow: 0 10px 40px rgba(0,0,0,0.3); }
.footer { background: var(--bg); padding: 60px 0 30px; border-top: 1px solid rgba(124,58,237,0.2); }
.footer-grid { display: flex; justify-content: space-between; gap: 60px; margin-bottom: 40px; }
.footer-brand p { color: var(--text-muted); margin-top: 12px; }
.footer-links h4 { margin-bottom: 20px; color: var(--primary-light); }
.footer-links a { display: block; color: var(--text-muted); margin-bottom: 12px; }
.footer-links a:hover { color: var(--primary-light); }
.footer-bottom { text-align: center; padding-top: 30px; border-top: 1px solid rgba(255,255,255,0.1); color: var(--text-muted); font-size: 0.875rem; }
/* 下载页 */
.download-page { padding-top: 100px; }
.page-header { background: linear-gradient(135deg, var(--primary), var(--secondary)); padding: 80px 0; text-align: center; }
.page-header h1 { font-size: 2.5rem; margin-bottom: 12px; }
.page-header p { opacity: 0.9; }
.breadcrumb { margin-bottom: 20px; }
.breadcrumb span { opacity: 0.7; margin: 0 8px; }
.version-badge { display: inline-flex; align-items: center; gap: 12px; background: rgba(255,255,255,0.2); padding: 10px 24px; border-radius: 30px; margin-top: 24px; }
.badge-icon { font-size: 1.25rem; }
.badge-date { opacity: 0.7; }
.download-section { padding: 80px 0; }
.download-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.download-card { background: var(--bg-card); border-radius: 20px; padding: 40px 32px; text-align: center; position: relative; transition: 0.3s; border: 1px solid transparent; }
.download-card:hover { background: var(--bg-card-hover); border-color: var(--primary); }
.card-badge { position: absolute; top: -10px; right: 20px; background: var(--secondary); color: white; font-size: 0.75rem; padding: 4px 12px; border-radius: 10px; }
.card-icon { font-size: 3.5rem; display: block; margin-bottom: 16px; }
.download-card h3 { font-size: 1.5rem; margin-bottom: 8px; }
.card-info { color: var(--primary-light); font-size: 0.875rem; }
.card-desc { color: var(--text-muted); margin-bottom: 20px; }
.card-features { text-align: left; margin-bottom: 24px; }
.card-features li { padding: 6px 0; color: var(--text-muted); }
.btn-download { display: block; background: var(--gradient); color: white; padding: 14px; border-radius: 25px; font-weight: 600; margin-bottom: 12px; transition: 0.3s; }
.btn-download:hover { transform: translateY(-2px); box-shadow: 0 4px 20px rgba(124,58,237,0.4); }
.btn-link { color: var(--primary-light); font-size: 0.875rem; }
.comparison { padding: 80px 0; background: var(--bg-card); }
.comparison h2 { text-align: center; margin-bottom: 40px; }
.compare-table { max-width: 600px; margin: 0 auto; background: var(--bg); border-radius: 16px; overflow: hidden; }
.compare-header, .compare-row { display: grid; grid-template-columns: 2fr 1fr 1fr; }
.compare-header { background: var(--primary); font-weight: 600; }
.compare-row { border-bottom: 1px solid rgba(255,255,255,0.1); }
.compare-col { padding: 16px 20px; text-align: center; }
.compare-col:first-child { text-align: left; }
.compare-col.highlight { color: var(--primary-light); font-weight: 600; }
.install { padding: 80px 0; }
.install h2 { text-align: center; margin-bottom: 48px; }
.steps { display: flex; align-items: center; justify-content: center; gap: 16px; flex-wrap: wrap; }
.step { text-align: center; }
.step-icon { width: 60px; height: 60px; background: var(--gradient); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 1.5rem; font-weight: 700; margin: 0 auto 12px; }
.step h3 { font-size: 1rem; margin-bottom: 4px; }
.step p { color: var(--text-muted); font-size: 0.875rem; }
.step-arrow { font-size: 1.5rem; color: var(--text-muted); }
/* 响应式 */
@media (max-width: 1024px) { .features-grid, .testimonials-grid, .download-grid { grid-template-columns: repeat(2, 1fr); } .servers-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 768px) { .nav-links { display: none; } .mobile-menu { display: block; } .hero-title { font-size: 2.5rem; } .hero-nodes { display: none; } .stats-grid { grid-template-columns: repeat(2, 1fr); } .features-grid, .testimonials-grid, .download-grid { grid-template-columns: 1fr; } .steps { flex-direction: column; } .step-arrow { transform: rotate(90deg); } .footer-grid { flex-direction: column; } }