/* 快连 VPN 尊享版 - Prime Elite Style */
:root {
    --primary: #0055FF;
    --primary-light: #E6EEFF;
    --accent: #00AAFF;
    --navy: #0F172A;
    --slate: #475569;
    --light-gray: #F8FAFC;
    --white: #FFFFFF;
    --success: #10B981;
    --border: #E2E8F0;
    --shadow: 0 10px 30px -10px rgba(0, 85, 255, 0.1);
    --shadow-lg: 0 20px 50px -12px rgba(15, 23, 42, 0.15);
}

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

html { scroll-behavior: smooth; }

body {
    font-family: 'Plus Jakarta Sans', 'Noto Sans SC', sans-serif;
    background-color: var(--white);
    color: var(--navy);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

.container {
    max-width: 1240px;
    margin: 0 auto;
    padding: 0 32px;
}

/* Header */
.prime-nav {
    height: 90px;
    position: sticky;
    top: 0;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    z-index: 1000;
}

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

.prime-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 24px;
    font-weight: 800;
    color: var(--navy);
}

.prime-brand span {
    font-size: 14px;
    font-weight: 600;
    color: var(--primary);
    background: var(--primary-light);
    padding: 2px 8px;
    border-radius: 6px;
}

.logo-prime {
    width: 36px;
    height: 36px;
}

.logo-prime svg {
    width: 100%;
    height: 100%;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 24px;
}

.footer-logo h3 {
    margin-bottom: 0 !important;
}

.nav-menu {
    display: flex;
    gap: 32px;
}

.nav-item {
    text-decoration: none;
    color: var(--slate);
    font-weight: 600;
    font-size: 15px;
    transition: 0.3s;
}

.nav-item:hover {
    color: var(--primary);
}

.btn-login {
    text-decoration: none;
    color: var(--navy);
    font-weight: 600;
    margin-right: 24px;
}

.btn-prime-nav {
    text-decoration: none;
    background: var(--primary);
    color: white;
    padding: 10px 24px;
    border-radius: 50px;
    font-weight: 700;
    box-shadow: 0 4px 14px rgba(0, 85, 255, 0.3);
    transition: 0.3s;
}

.btn-prime-nav:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 85, 255, 0.4);
}

/* Hero Section */
.prime-hero {
    padding: 100px 0 120px;
    background: radial-gradient(circle at 80% 20%, var(--primary-light) 0%, transparent 50%);
}

.hero-layout {
    display: flex;
    align-items: center;
    gap: 80px;
}

.hero-text {
    flex: 1.2;
}

.service-status {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: white;
    padding: 8px 16px;
    border-radius: 50px;
    border: 1px solid var(--border);
    font-size: 14px;
    margin-bottom: 32px;
    box-shadow: var(--shadow);
}

.status-pulse {
    width: 8px;
    height: 8px;
    background: var(--success);
    border-radius: 50%;
    position: relative;
}

.status-pulse::after {
    content: '';
    position: absolute;
    width: 100%; height: 100%;
    background: var(--success);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { transform: scale(1); opacity: 0.8; }
    100% { transform: scale(3); opacity: 0; }
}

.hero-h1 {
    font-size: 64px;
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 24px;
    letter-spacing: -2px;
}

.hero-p {
    font-size: 18px;
    color: var(--slate);
    margin-bottom: 48px;
    max-width: 540px;
}

.btn-hero-main {
    display: inline-block;
    background: var(--navy);
    color: white;
    text-decoration: none;
    padding: 20px 40px;
    border-radius: 16px;
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 32px;
    transition: 0.3s;
}

.btn-hero-main:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 30px rgba(15, 23, 42, 0.2);
}

.hero-trust {
    display: flex;
    align-items: center;
    gap: 20px;
    color: var(--slate);
    font-size: 14px;
}

/* Dashboard Mockup */
.hero-visual {
    flex: 1;
}

.prime-dashboard-mockup {
    background: white;
    border-radius: 24px;
    border: 1px solid var(--border);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    aspect-ratio: 4/3;
    display: flex;
    flex-direction: column;
}

.dash-header {
    padding: 12px 20px;
    background: #F1F5F9;
    display: flex;
    gap: 8px;
}

.dash-dot { width: 10px; height: 10px; border-radius: 50%; background: #CBD5E1; }

.dash-body {
    flex: 1;
    display: flex;
}

.dash-sidebar {
    width: 60px;
    background: #F8FAFC;
    border-right: 1px solid var(--border);
    padding: 20px 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}

.side-item { width: 30px; height: 30px; border-radius: 8px; background: #E2E8F0; }
.side-item.active { background: var(--primary); }

.dash-main {
    flex: 1;
    padding: 40px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.status-circle {
    width: 180px;
    height: 180px;
    border: 8px solid var(--primary-light);
    border-top-color: var(--primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 40px;
    animation: rotate 20s linear infinite;
}

.status-inner {
    text-align: center;
    animation: reverseRotate 20s linear infinite;
}

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

.status-inner span { font-size: 14px; color: var(--slate); display: block; }
.status-inner strong { font-size: 24px; font-weight: 800; color: var(--primary); }

.dash-stats {
    display: flex;
    gap: 40px;
}

.d-stat label { font-size: 12px; color: var(--slate); display: block; }
.d-stat span { font-weight: 700; color: var(--navy); }

/* Trust Grid */
.prime-trust {
    padding: 60px 0;
    background: var(--light-gray);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.trust-label {
    text-align: center;
    font-size: 14px;
    font-weight: 600;
    color: var(--slate);
    margin-bottom: 32px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.trust-grid {
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
    gap: 40px;
}

.trust-item {
    font-size: 18px;
    color: var(--slate);
}

.trust-item strong { color: var(--navy); }

/* Network Map */
.prime-network { padding: 120px 0; }
.sec-head-center { text-align: center; max-width: 700px; margin: 0 auto 80px; }
.sec-h2 { font-size: 40px; font-weight: 800; margin-bottom: 20px; }
.sec-p { color: var(--slate); font-size: 16px; }

.map-container {
    height: 500px;
    background: #F1F5F9;
    border-radius: 32px;
    position: relative;
    overflow: hidden;
    background-image: radial-gradient(var(--border) 1px, transparent 1px);
    background-size: 30px 30px;
}

.map-node {
    position: absolute;
    width: 12px; height: 12px;
    background: var(--primary);
    border-radius: 50%;
    cursor: pointer;
}

.map-node::before {
    content: '';
    position: absolute;
    width: 100%; height: 100%;
    background: var(--primary);
    border-radius: 50%;
    animation: ping 2s infinite;
}

@keyframes ping { 0% { transform: scale(1); opacity: 0.8; } 100% { transform: scale(4); opacity: 0; } }

.map-node::after {
    content: attr(data-loc);
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--navy);
    color: white;
    padding: 4px 12px;
    border-radius: 4px;
    font-size: 12px;
    white-space: nowrap;
    opacity: 0;
    transition: 0.3s;
}

.map-node:hover::after { opacity: 1; }

.node-1 { top: 30%; left: 20%; }
.node-2 { top: 40%; left: 80%; }
.node-3 { top: 25%; left: 45%; }
.node-4 { top: 60%; left: 75%; }
.node-5 { top: 28%; left: 52%; }

/* Features */
.prime-features { padding: 120px 0; background: var(--light-gray); }
.feature-row { display: flex; align-items: center; gap: 80px; }
.feat-img { flex: 1; }
.feat-visual-box {
    background: white;
    padding: 60px;
    border-radius: 32px;
    border: 1px solid var(--border);
    display: flex;
    justify-content: center;
}
.lock-anim { width: 150px; }

.feat-txt { flex: 1.2; }
.feat-tag { color: var(--primary); font-weight: 800; font-size: 14px; text-transform: uppercase; margin-bottom: 16px; display: block; }

.feat-list { list-style: none; margin-top: 32px; }
.feat-list li {
    margin-bottom: 16px;
    padding-left: 28px;
    position: relative;
    font-weight: 500;
}
.feat-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--success);
    font-weight: 900;
}

/* Scenarios */
.prime-scenarios { padding: 120px 0; }
.scenario-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; margin-top: 60px; }
.scen-card {
    padding: 40px;
    background: var(--light-gray);
    border-radius: 24px;
    border: 1px solid var(--border);
    transition: 0.3s;
}
.scen-card:hover { background: white; transform: translateY(-5px); box-shadow: var(--shadow); border-color: var(--primary); }
.scen-icon { font-size: 32px; margin-bottom: 20px; }
.scen-card h3 { font-size: 20px; margin-bottom: 12px; }
.scen-card p { font-size: 14px; color: var(--slate); }

/* Enterprise */
.prime-enterprise { padding: 60px 0; }
.ent-box {
    background: var(--navy);
    border-radius: 40px;
    padding: 80px;
    display: flex;
    align-items: center;
    gap: 80px;
    background-image: radial-gradient(circle at top left, rgba(0, 85, 255, 0.2), transparent 40%);
}
.ent-txt { flex: 1.2; }
.ent-stats { display: flex; gap: 48px; margin-bottom: 40px; }
.es-item strong { display: block; font-size: 32px; color: var(--primary); margin-bottom: 4px; }
.es-item span { color: rgba(255,255,255,0.5); font-size: 14px; }
.btn-ent {
    display: inline-block;
    padding: 16px 32px;
    background: white;
    color: var(--navy);
    text-decoration: none;
    border-radius: 12px;
    font-weight: 700;
}
.ent-vis { flex: 0.8; }
.ent-mockup {
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 20px;
    padding: 32px;
}
.mock-row { height: 12px; background: rgba(255,255,255,0.1); border-radius: 6px; margin-bottom: 16px; }
.mock-row.short { width: 60%; }

/* Regions */
.prime-regions { padding: 120px 0; }
.region-layout { display: flex; align-items: center; gap: 100px; }
.reg-txt { flex: 1; }
.reg-list { margin-top: 40px; }
.reg-item { display: flex; align-items: center; gap: 20px; margin-bottom: 24px; }
.reg-flag { font-size: 24px; }
.reg-info strong { display: block; font-size: 16px; }
.reg-info span { font-size: 14px; color: var(--slate); }
.reg-vis { flex: 1; display: flex; justify-content: center; }
.speed-meter {
    width: 280px; height: 280px;
    border: 15px solid var(--primary-light);
    border-radius: 50%;
    position: relative;
    border-top-color: var(--primary);
}
.meter-needle {
    position: absolute;
    width: 4px; height: 120px;
    background: var(--navy);
    bottom: 50%; left: 50%;
    transform-origin: bottom center;
    transform: rotate(45deg);
    border-radius: 4px;
}
.meter-label {
    position: absolute;
    bottom: 40px; width: 100%;
    text-align: center;
    font-weight: 800; font-size: 24px;
}

/* Pricing */
.prime-pricing { padding: 120px 0; }
.price-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.price-card {
    background: white;
    padding: 48px;
    border-radius: 32px;
    border: 1px solid var(--border);
    transition: 0.4s;
    display: flex;
    flex-direction: column;
}
.price-card:hover { transform: translateY(-10px); box-shadow: var(--shadow-lg); }

.price-card.featured {
    border-color: var(--primary);
    background: var(--navy);
    color: white;
    position: relative;
}

.p-popular {
    position: absolute;
    top: -14px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary);
    color: white;
    padding: 4px 16px;
    border-radius: 50px;
    font-size: 12px;
    font-weight: 800;
}

.p-head h3 { font-size: 24px; margin-bottom: 8px; }
.p-head p { color: var(--slate); font-size: 14px; margin-bottom: 32px; }
.featured .p-head p { color: rgba(255,255,255,0.6); }

.p-price { font-size: 48px; font-weight: 800; margin-bottom: 32px; }
.p-price span { font-size: 16px; font-weight: 400; color: var(--slate); }
.featured .p-price span { color: rgba(255,255,255,0.6); }

.p-list { list-style: none; margin-bottom: 48px; flex-grow: 1; }
.p-list li { margin-bottom: 16px; font-size: 15px; color: var(--slate); }
.featured .p-list li { color: rgba(255,255,255,0.8); }

.btn-price {
    display: block;
    text-align: center;
    padding: 16px;
    border: 1px solid var(--border);
    border-radius: 12px;
    text-decoration: none;
    color: var(--navy);
    font-weight: 700;
    transition: 0.3s;
}
.btn-price:hover { background: var(--light-gray); }

.btn-price-main {
    display: block;
    text-align: center;
    padding: 16px;
    background: var(--primary);
    color: white;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 700;
}

/* FAQ */
.prime-faq { padding: 120px 0; background: var(--light-gray); }
.faq-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 40px; }
.faq-item h4 { font-size: 18px; margin-bottom: 12px; }
.faq-item p { color: var(--slate); font-size: 15px; }

/* Download */
.prime-download { padding: 80px 0; }
.dl-box {
    background: var(--primary);
    padding: 80px;
    border-radius: 48px;
    text-align: center;
    background-image: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
}

.dl-platforms { display: flex; justify-content: center; gap: 24px; flex-wrap: wrap; margin-top: 40px; }
.dl-btn {
    background: white;
    color: var(--navy);
    padding: 16px 32px;
    border-radius: 16px;
    text-decoration: none;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 12px;
    transition: 0.3s;
}
.dl-btn:hover { transform: translateY(-5px); box-shadow: 0 10px 20px rgba(0,0,0,0.1); }

/* Footer */
.prime-footer { padding: 100px 0 40px; border-top: 1px solid var(--border); }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 60px; margin-bottom: 80px; }
.f-brand h3 { font-size: 24px; margin-bottom: 24px; }
.f-brand p { color: var(--slate); font-size: 14px; max-width: 300px; }
.f-col h4 { font-size: 16px; margin-bottom: 24px; }
.f-col a { display: block; text-decoration: none; color: var(--slate); font-size: 14px; margin-bottom: 12px; transition: 0.2s; }
.f-col a:hover { color: var(--primary); }

.footer-bottom {
    padding-top: 40px;
    border-top: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    color: var(--slate);
    font-size: 14px;
}

/* Responsive */
@media (max-width: 1024px) {
    .hero-layout { flex-direction: column; text-align: center; }
    .hero-p { margin-left: auto; margin-right: auto; }
    .hero-trust { justify-content: center; }
    .price-grid { grid-template-columns: 1fr; max-width: 500px; margin: 0 auto; }
    .footer-grid { grid-template-columns: repeat(2, 1fr); }
    .faq-grid { grid-template-columns: 1fr; }
}