/* 快连 VPN 急速旗舰版 - Rapid Edition Style */
@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@300;400;500;600;700&family=Inter:wght@300;400;600;800;900&display=swap');

:root {
    --cosmic-black: #050505;
    --deep-space: #0A0A12;
    --nebula-purple: #6D28D9;
    --nebula-blue: #3B82F6;
    --nebula-magenta: #D946EF;
    --starlight: #FFFFFF;
    --nebula-gradient: linear-gradient(135deg, #6D28D9 0%, #3B82F6 100%);
    --nebula-glow: 0 0 30px rgba(109, 40, 217, 0.4);
    --glass-bg: rgba(255, 255, 255, 0.03);
    --glass-border: rgba(255, 255, 255, 0.08);
}

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

html { scroll-behavior: smooth; }

body {
    background-color: var(--cosmic-black);
    color: var(--starlight);
    font-family: 'Inter', sans-serif;
    overflow-x: hidden;
    line-height: 1.6;
}

h1, h2, h3, .cosmic-logo {
    font-family: 'Space Grotesk', sans-serif;
}

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

/* Star Background */
.stars-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
    background: radial-gradient(circle at center, #11111d 0%, #050505 100%);
}

.stars, .stars2 {
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: transparent url('https://www.transparenttextures.com/patterns/stardust.png') repeat;
    opacity: 0.3;
}

.stars { animation: moveStars 200s linear infinite; }
.stars2 { animation: moveStars 150s linear infinite reverse; opacity: 0.1; }

@keyframes moveStars {
    from { background-position: 0 0; }
    to { background-position: 10000px 5000px; }
}

/* Navigation */
.cosmic-nav {
    height: 90px;
    position: fixed;
    top: 0; width: 100%;
    z-index: 1000;
    background: rgba(5, 5, 5, 0.7);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
}

.nav-flex {
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.cosmic-logo {
    font-size: 24px;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 12px;
}

.cosmic-logo span {
    font-size: 12px;
    background: var(--nebula-gradient);
    padding: 2px 8px;
    border-radius: 4px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.logo-orb {
    width: 24px; height: 24px;
    background: var(--nebula-gradient);
    border-radius: 50%;
    box-shadow: var(--nebula-glow);
    position: relative;
}

.nav-links { display: flex; gap: 40px; }
.nav-link {
    font-size: 14px;
    font-weight: 500;
    color: rgba(255,255,255,0.6);
    text-decoration: none;
    transition: 0.3s;
}
.nav-link:hover { color: var(--starlight); text-shadow: 0 0 10px white; }

.btn-cosmic-nav {
    padding: 10px 24px;
    background: transparent;
    border: 1px solid var(--starlight);
    color: white;
    border-radius: 50px;
    font-size: 14px;
    font-weight: 600;
    text-decoration: none;
    transition: 0.3s;
}
.btn-cosmic-nav:hover { background: var(--starlight); color: var(--cosmic-black); }

/* Hero Section */
.cosmic-hero {
    padding: 200px 0 150px;
    position: relative;
}

.hero-content {
    text-align: center;
    max-width: 900px;
}

.hero-badge {
    display: inline-block;
    padding: 8px 20px;
    background: rgba(109, 40, 217, 0.1);
    border: 1px solid rgba(109, 40, 217, 0.2);
    border-radius: 50px;
    font-size: 14px;
    font-weight: 600;
    color: var(--nebula-magenta);
    margin-bottom: 40px;
}

.hero-title {
    font-size: 100px;
    line-height: 0.9;
    margin-bottom: 30px;
    font-weight: 900;
    background: linear-gradient(to bottom, #fff 40%, rgba(255,255,255,0.4));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: 20px;
    color: rgba(255,255,255,0.6);
    margin: 0 auto 50px;
    max-width: 700px;
}

.hero-actions {
    display: flex;
    justify-content: center;
    gap: 24px;
    margin-bottom: 100px;
}

.btn-hero-glow {
    padding: 20px 48px;
    background: var(--nebula-gradient);
    border-radius: 12px;
    color: white;
    font-weight: 800;
    text-decoration: none;
    font-size: 18px;
    box-shadow: var(--nebula-glow);
    transition: 0.3s;
}
.btn-hero-glow:hover { transform: translateY(-5px); box-shadow: 0 0 50px rgba(109, 40, 217, 0.6); }

.btn-hero-outline {
    padding: 20px 48px;
    background: transparent;
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    color: white;
    font-weight: 700;
    text-decoration: none;
    font-size: 18px;
    transition: 0.3s;
}
.btn-hero-outline:hover { background: rgba(255,255,255,0.05); border-color: white; }

/* Hero Visual Orb */
.hero-orb-wrap {
    position: relative;
    width: 600px; height: 600px;
    margin: 0 auto;
}

.main-orb {
    position: absolute;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    width: 250px; height: 250px;
}

.orb-inner {
    width: 100%; height: 100%;
    background: radial-gradient(circle at 30% 30%, var(--nebula-blue), var(--nebula-purple), var(--cosmic-black));
    border-radius: 50%;
    box-shadow: 0 0 80px rgba(59, 130, 246, 0.4);
    animation: orbFloat 4s ease-in-out infinite;
}

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

.orb-ring {
    position: absolute;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%) rotateX(75deg);
    width: 450px; height: 450px;
    border: 2px solid rgba(255,255,255,0.1);
    border-radius: 50%;
    animation: ringRotate 10s linear infinite;
}

.ring-2 {
    width: 550px; height: 550px;
    border-color: rgba(109, 40, 217, 0.2);
    animation: ringRotate 15s linear infinite reverse;
}

@keyframes ringRotate {
    from { transform: translate(-50%, -50%) rotateX(75deg) rotateZ(0deg); }
    to { transform: translate(-50%, -50%) rotateX(75deg) rotateZ(360deg); }
}

.floating-data-card {
    position: absolute;
    background: rgba(255,255,255,0.05);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    padding: 20px 30px;
    border-radius: 20px;
    display: flex;
    flex-direction: column;
    text-align: left;
    animation: cardFloat 5s ease-in-out infinite;
}

.card-1 { top: 20%; right: 0; }
.card-2 { bottom: 20%; left: 0; animation-delay: 2s; }

@keyframes cardFloat {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-15px); }
}

.data-val { font-size: 24px; font-weight: 800; color: var(--starlight); }
.data-label { font-size: 12px; color: rgba(255,255,255,0.4); text-transform: uppercase; letter-spacing: 1px; }

/* Vision Section */
.vision-sec { padding: 150px 0; background: var(--deep-space); }
.sec-header { text-align: center; margin-bottom: 100px; }
.sec-title { font-size: 48px; font-weight: 800; margin-bottom: 24px; }
.sec-p { font-size: 18px; color: rgba(255,255,255,0.5); max-width: 600px; margin: 0 auto; }

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

.vision-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    padding: 60px 40px;
    border-radius: 32px;
    transition: 0.4s;
}

.vision-card:hover {
    background: rgba(255,255,255,0.06);
    border-color: var(--nebula-blue);
    transform: translateY(-10px);
}

.v-icon-wrap {
    font-size: 48px;
    margin-bottom: 32px;
}

.vision-card h3 { font-size: 24px; margin-bottom: 16px; }
.vision-card p { color: rgba(255,255,255,0.5); font-size: 16px; }

/* Network Map Section */
.network-sec { padding: 150px 0; background: var(--cosmic-black); }
.network-vis {
    display: flex;
    align-items: center;
    gap: 100px;
}

.map-overlay {
    flex: 1;
    height: 500px;
    background: url('https://www.transparenttextures.com/patterns/carbon-fibre.png'), radial-gradient(circle at center, #1a1a2e 0%, transparent 70%);
    position: relative;
    border-radius: 40px;
    border: 1px solid var(--glass-border);
}

.glow-point {
    position: absolute;
    width: 8px; height: 8px;
    background: var(--nebula-blue);
    border-radius: 50%;
    box-shadow: 0 0 20px var(--nebula-blue);
}

.glow-point::after {
    content: '';
    position: absolute;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    width: 100%; height: 100%;
    border: 1px solid var(--nebula-blue);
    border-radius: 50%;
    animation: ping 2s infinite;
}

@keyframes ping {
    0% { transform: translate(-50%, -50%) scale(1); opacity: 1; }
    100% { transform: translate(-50%, -50%) scale(4); opacity: 0; }
}

.network-txt { flex: 0.8; }
.tag { color: var(--nebula-magenta); font-weight: 800; font-size: 14px; text-transform: uppercase; margin-bottom: 20px; display: block; }

.net-stats { display: flex; gap: 60px; margin-top: 50px; }
.ns-val { font-size: 40px; font-weight: 900; display: block; color: var(--nebula-blue); }
.ns-label { font-size: 14px; color: rgba(255,255,255,0.4); }

/* Security Features */
.security-sec { padding: 150px 0; background: var(--deep-space); }
.sec-features { display: grid; grid-template-columns: repeat(2, 1fr); gap: 40px; margin-top: 80px; }
.sf-item {
    display: flex;
    gap: 32px;
    padding: 50px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 32px;
}

.sf-visual { width: 80px; height: 80px; flex-shrink: 0; }
.sf-svg { width: 100%; height: 100%; }

.sf-content h3 { font-size: 24px; margin-bottom: 16px; }
.sf-content p { color: rgba(255,255,255,0.5); line-height: 1.8; }

/* Pricing Section */
.pricing-sec { padding: 150px 0; background: var(--cosmic-black); }
.pricing-wrap {
    background: radial-gradient(circle at top, rgba(109, 40, 217, 0.1), transparent);
    padding: 100px 50px;
    border-radius: 60px;
    border: 1px solid var(--glass-border);
}

.price-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; margin-top: 80px; align-items: stretch; }
.price-card {
    background: rgba(255,255,255,0.02);
    border: 1px solid var(--glass-border);
    padding: 60px 40px;
    border-radius: 32px;
    text-align: center;
    transition: 0.4s;
    display: flex; flex-direction: column;
}

.price-card.featured {
    background: rgba(255,255,255,0.04);
    border-color: var(--nebula-purple);
    transform: scale(1.05);
    box-shadow: 0 40px 100px rgba(109, 40, 217, 0.2);
    position: relative;
}

.p-badge {
    position: absolute;
    top: -15px; left: 50%;
    transform: translateX(-50%);
    background: var(--nebula-gradient);
    padding: 6px 16px;
    border-radius: 50px;
    font-size: 12px;
    font-weight: 800;
}

.p-tier { font-size: 14px; text-transform: uppercase; letter-spacing: 2px; color: rgba(255,255,255,0.4); margin-bottom: 30px; display: block; }
.p-amount { font-size: 56px; font-weight: 900; margin-bottom: 40px; }
.p-amount span { font-size: 18px; color: rgba(255,255,255,0.3); }

.p-features { list-style: none; margin-bottom: 50px; text-align: left; flex-grow: 1; }
.p-features li { margin-bottom: 16px; color: rgba(255,255,255,0.6); font-size: 15px; }
.p-features li::before { content: '✦'; color: var(--nebula-blue); margin-right: 12px; }

/* Comparison Table */
.compare-sec { padding: 150px 0; background: var(--deep-space); }
.compare-box {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 40px;
    overflow: hidden;
}
.compare-row {
    display: grid;
    grid-template-columns: 2fr 1.5fr 1.5fr;
    padding: 30px 50px;
    border-bottom: 1px solid var(--glass-border);
    align-items: center;
}
.row-head {
    background: rgba(109, 40, 217, 0.1);
    font-weight: 800;
    color: var(--nebula-magenta);
}
.c-val { color: var(--starlight); font-weight: 700; }
.c-val-old { color: rgba(255,255,255,0.3); font-size: 14px; }

/* Platform Grid */
.plat-sec { padding: 150px 0; background: var(--cosmic-black); }
.plat-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    margin-top: 80px;
}
.plat-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    padding: 50px 30px;
    border-radius: 32px;
    text-align: center;
    transition: 0.3s;
}
.plat-card:hover {
    background: rgba(255,255,255,0.06);
    border-color: var(--nebula-blue);
    transform: translateY(-8px);
}
.p-icon { font-size: 40px; margin-bottom: 24px; }
.plat-card h3 { font-size: 20px; margin-bottom: 12px; }
.plat-card p { color: rgba(255,255,255,0.4); font-size: 14px; }

/* FAQ Section */
.faq-sec { padding: 150px 0; background: var(--deep-space); }
.faq-list { max-width: 900px; margin: 0 auto; }
.faq-item {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 30px 40px;
    margin-bottom: 20px;
    cursor: pointer;
}
.faq-q { font-size: 20px; font-weight: 700; color: var(--starlight); }
.faq-a {
    margin-top: 20px;
    color: rgba(255,255,255,0.5);
    line-height: 1.8;
    border-top: 1px solid var(--glass-border);
    padding-top: 20px;
}

/* Download CTA */
.download-cta { padding: 150px 0; background: var(--cosmic-black); }
.cta-box {
    background: radial-gradient(circle at top right, rgba(59, 130, 246, 0.2), rgba(109, 40, 217, 0.1));
    padding: 120px 80px;
    border-radius: 60px;
    border: 1px solid var(--glass-border);
    text-align: center;
}
.cta-btns { display: flex; justify-content: center; gap: 30px; margin: 50px 0; }
.trust-icons {
    display: flex;
    justify-content: center;
    gap: 40px;
    color: rgba(255,255,255,0.3);
    font-size: 14px;
    font-weight: 600;
}

/* Footer */.btn-price {
    padding: 18px;
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    color: white;
    text-decoration: none;
    font-weight: 700;
    transition: 0.3s;
}
.btn-price:hover { background: rgba(255,255,255,0.05); border-color: white; }

.btn-price-glow {
    padding: 18px;
    background: var(--nebula-gradient);
    border-radius: 12px;
    color: white;
    text-decoration: none;
    font-weight: 800;
    box-shadow: var(--nebula-glow);
}

/* Footer */
.cosmic-footer { padding: 100px 0 50px; background: var(--deep-space); border-top: 1px solid var(--glass-border); }
.ft-top { display: flex; justify-content: space-between; margin-bottom: 80px; }
.ft-brand h3 { font-size: 28px; margin-bottom: 24px; }
.ft-brand span { color: var(--nebula-blue); }
.ft-brand p { color: rgba(255,255,255,0.4); max-width: 350px; }

.ft-links-wrap { display: flex; gap: 80px; }
.ft-col h4 { font-size: 16px; margin-bottom: 24px; }
.ft-col a { display: block; color: rgba(255,255,255,0.4); text-decoration: none; margin-bottom: 12px; font-size: 14px; transition: 0.3s; }
.ft-col a:hover { color: var(--nebula-blue); transform: translateX(5px); }

.ft-bottom {
    padding-top: 40px;
    border-top: 1px solid var(--glass-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: rgba(255,255,255,0.2);
    font-size: 13px;
}

.socials a { color: rgba(255,255,255,0.4); text-decoration: none; margin-left: 24px; transition: 0.3s; }
.socials a:hover { color: white; }

/* Responsive */
@media (max-width: 1200px) {
    .container { width: 100%; padding: 0 40px; }
    .hero-title { font-size: 70px; }
    .hero-orb-wrap { width: 100%; height: 400px; }
    .network-vis { flex-direction: column; }
    .price-grid { grid-template-columns: 1fr; }
    .vision-grid { grid-template-columns: 1fr; }
    .sec-features { grid-template-columns: 1fr; }
}