/* 快连 VPN 幻像版 - Mirage Edition Style */
:root {
    --mirage-bg: #FFF9F5; /* 胡萝卜暖色 */
    --mirage-text: #1A1A1A;
    --mirage-sub: #666666;
    --mirage-accent: #FF5C00;
    --mirage-border: rgba(26, 26, 26, 0.08);
    --mirage-glass: rgba(255, 249, 245, 0.7);
    --font-head: 'Syncopate', sans-serif;
    --font-ui: 'Noto Sans SC', sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
    font-family: var(--font-ui);
    color: var(--mirage-text);
    background-color: var(--mirage-bg);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

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

/* Background Effects */
.mirage-bg {
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    z-index: -1;
    overflow: hidden;
    background: radial-gradient(circle at 50% 50%, #FFFCFA 0%, #FFF9F5 100%);
}

.depth-layer {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.15;
}
.l1 { width: 600px; height: 600px; top: -100px; right: -100px; background: var(--mirage-accent); animation: floatLayer 20s infinite alternate; }
.l2 { width: 500px; height: 500px; bottom: -100px; left: -100px; background: #FFD700; animation: floatLayer 25s infinite alternate-reverse; }
.l3 { width: 300px; height: 300px; top: 30%; left: 10%; background: #FF5C00; opacity: 0.05; }

@keyframes floatLayer { 0% { transform: translate(0, 0) scale(1); } 100% { transform: translate(50px, 30px) scale(1.1); } }

.grain-overlay {
    position: absolute; width: 100%; height: 100%;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.6' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
    opacity: 0.03;
    pointer-events: none;
}

/* Navigation */
.mirage-nav {
    height: 90px;
    position: sticky;
    top: 0;
    background: var(--mirage-glass);
    backdrop-filter: blur(30px);
    border-bottom: 1px solid var(--mirage-border);
    z-index: 1000;
}

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

.mirage-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-family: var(--font-head);
    font-size: 18px;
    font-weight: 700;
    letter-spacing: -1px;
}
.mirage-logo span { font-size: 9px; color: var(--mirage-accent); letter-spacing: 2px; }
.logo-mirage { width: 32px; height: 32px; color: var(--mirage-accent); }
.rect-rotate { animation: rotateRect 8s infinite linear; transform-origin: center; }
@keyframes rotateRect { 100% { transform: rotate(360deg); } }

.nav-links { display: flex; gap: 40px; align-items: center; }
.nav-item { text-decoration: none; color: var(--mirage-text); font-size: 13px; font-weight: 700; text-transform: uppercase; letter-spacing: 1px; transition: 0.3s; }
.nav-item:hover { color: var(--mirage-accent); }

.btn-mirage-nav {
    text-decoration: none;
    background: var(--mirage-text);
    color: white;
    padding: 10px 24px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 800;
    text-transform: uppercase;
    transition: 0.3s;
}
.btn-mirage-nav:hover { background: var(--mirage-accent); transform: translateY(-2px); }

/* Hero Section */
.mirage-hero { padding: 140px 0 100px; display: flex; align-items: center; position: relative; }

.hero-content { flex: 1; z-index: 2; }
.mirage-badge {
    font-family: var(--font-head);
    font-size: 11px;
    font-weight: 700;
    color: var(--mirage-accent);
    letter-spacing: 3px;
    margin-bottom: 32px;
}

.hero-h1 {
    font-size: 80px;
    font-weight: 900;
    line-height: 1;
    margin-bottom: 40px;
    letter-spacing: -4px;
}

.hero-p {
    font-size: 20px;
    color: var(--mirage-sub);
    max-width: 580px;
    margin-bottom: 56px;
}

.hero-actions { display: flex; align-items: center; gap: 40px; }
.btn-mirage-main {
    text-decoration: none;
    background: var(--mirage-text);
    color: white;
    padding: 22px 64px;
    border-radius: 4px;
    font-size: 18px;
    font-weight: 800;
    transition: 0.3s;
}
.btn-mirage-main:hover { transform: scale(1.05); background: var(--mirage-accent); }

.mirage-status { display: flex; align-items: center; gap: 12px; font-size: 14px; font-weight: 600; color: var(--mirage-sub); }
.pulse-dot { width: 8px; height: 8px; background: #10B981; border-radius: 50%; position: relative; }
.pulse-dot::after { content: ''; position: absolute; width: 100%; height: 100%; background: #10B981; border-radius: 50%; animation: pulse 2s infinite; }
@keyframes pulse { 0% { transform: scale(1); opacity: 0.8; } 100% { transform: scale(3); opacity: 0; } }

.hero-visual {
    flex: 0.8;
    height: 500px;
    position: relative;
    perspective: 1000px;
}
.floating-layers { width: 100%; height: 100%; position: relative; transform-style: preserve-3d; animation: tiltCamera 10s infinite alternate ease-in-out; }
@keyframes tiltCamera { 0% { transform: rotateY(-10deg) rotateX(10deg); } 100% { transform: rotateY(10deg) rotateX(-10deg); } }

.layer { position: absolute; width: 300px; height: 300px; border: 1px solid var(--mirage-accent); opacity: 0.2; }
.layer-1 { transform: translateZ(50px); }
.layer-2 { transform: translateZ(0px) rotate(45deg); border-color: var(--mirage-text); opacity: 0.1; }
.layer-3 { transform: translateZ(-50px); }

/* Optical Section */
.optical-sec { padding: 120px 0; }
.optical-layout { display: flex; align-items: center; gap: 100px; }
.opt-visual { flex: 1; height: 400px; background: var(--mirage-text); border-radius: 4px; position: relative; overflow: hidden; }
.fiber-wrap { width: 100%; height: 100%; position: relative; }
.fiber { position: absolute; height: 1px; background: linear-gradient(90deg, transparent, var(--mirage-accent), transparent); opacity: 0.3; }
.f1 { width: 150%; top: 30%; left: -25%; transform: rotate(-5deg); }
.f2 { width: 150%; top: 50%; left: -25%; transform: rotate(2deg); }
.f3 { width: 150%; top: 70%; left: -25%; transform: rotate(-3deg); }
.photon-pulse { position: absolute; width: 4px; height: 4px; background: white; border-radius: 50%; box-shadow: 0 0 15px white; animation: photonFlow 2s infinite linear; }
@keyframes photonFlow { 0% { left: -10%; top: 30%; } 100% { left: 110%; top: 25%; } }

.opt-text { flex: 1; }
.opt-benefits { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; margin-top: 48px; }
.ob-item { font-size: 15px; font-weight: 700; display: flex; align-items: center; gap: 12px; }
.ob-item span { font-size: 10px; padding: 2px 8px; border: 1px solid var(--mirage-accent); color: var(--mirage-accent); border-radius: 2px; }

/* Neural Section */
.neural-sec { padding: 120px 0; background: rgba(26,26,26,0.02); }
.neural-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; margin-top: 64px; }
.ng-card { padding: 60px 40px; background: white; border: 1px solid var(--mirage-border); border-radius: 4px; }
.ng-num { font-family: var(--font-head); font-size: 48px; font-weight: 700; color: var(--mirage-accent); opacity: 0.1; margin-bottom: -30px; }
.ng-card h4 { font-size: 20px; font-weight: 800; margin-bottom: 16px; position: relative; }

/* Monitor Section */
.monitor-sec { padding: 120px 0; }
.monitor-glass { background: white; border: 1px solid var(--mirage-border); border-radius: 4px; padding: 60px; box-shadow: 0 40px 100px rgba(0,0,0,0.03); }
.m-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 48px; padding-bottom: 24px; border-bottom: 1px solid var(--mirage-border); }
.m-title { font-family: var(--font-head); font-size: 14px; font-weight: 700; }
.m-status { font-size: 10px; color: #10B981; font-weight: 800; letter-spacing: 1px; }
.m-body { display: flex; align-items: center; gap: 80px; }
.m-chart { flex: 1; }
.m-bar-wrap { height: 120px; display: flex; align-items: flex-end; gap: 12px; margin-bottom: 16px; }
.m-bar { flex: 1; background: var(--mirage-accent); opacity: 0.2; border-radius: 2px; animation: barGrow 2s infinite alternate ease-in-out; }
@keyframes barGrow { from { transform: scaleY(0.8); } to { transform: scaleY(1.2); } }
.m-label { font-size: 12px; color: var(--mirage-sub); font-weight: 600; text-transform: uppercase; }
.m-info { flex: 1.5; }
.mi-row { display: flex; justify-content: space-between; padding: 16px 0; border-bottom: 1px dotted var(--mirage-border); font-size: 14px; }
.mi-row strong { color: var(--mirage-accent); }

/* Observer Section */
.observer-sec { padding: 120px 0; }
.observer-box { background: var(--mirage-text); color: white; border-radius: 4px; padding: 100px 80px; display: flex; align-items: center; gap: 100px; position: relative; overflow: hidden; }
.obs-content { flex: 1.2; }
.btn-obs { display: inline-block; margin-top: 40px; color: var(--mirage-accent); text-decoration: none; font-weight: 800; font-size: 14px; border-bottom: 2px solid var(--mirage-accent); padding-bottom: 4px; }
.obs-visual { flex: 0.8; display: flex; justify-content: center; }
.eye-outer { width: 160px; height: 160px; border: 1px solid rgba(255,255,255,0.1); border-radius: 50%; position: relative; display: flex; align-items: center; justify-content: center; }
.eye-inner { width: 60px; height: 60px; background: var(--mirage-accent); border-radius: 50%; box-shadow: 0 0 40px var(--mirage-accent); }
.eye-scanner { position: absolute; width: 100%; height: 2px; background: var(--mirage-accent); animation: scanEye 3s infinite ease-in-out; }
@keyframes scanEye { 0%, 100% { transform: translateY(-80px); opacity: 0; } 50% { transform: translateY(80px); opacity: 1; } }

/* Audit Section */
.audit-sec { padding: 120px 0; }
.audit-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 60px; }
.ag-item { text-align: center; }
.ag-icon { font-size: 32px; margin-bottom: 32px; color: var(--mirage-accent); }
.ag-item h3 { font-size: 20px; font-weight: 800; margin-bottom: 16px; }
.ag-item p { font-size: 14px; color: var(--mirage-sub); }

/* Map Section */
.map-sec { padding: 120px 0; background: rgba(26,26,26,0.02); text-align: center; }
.map-header { margin-bottom: 80px; }
.map-visual-wrap { height: 400px; background: white; border: 1px solid var(--mirage-border); border-radius: 4px; position: relative; overflow: hidden; }
.world-dots { width: 100%; height: 100%; background-image: radial-gradient(var(--mirage-border) 1px, transparent 1px); background-size: 30px 30px; opacity: 0.5; }
.connection-line { position: absolute; height: 1px; background: var(--mirage-accent); opacity: 0.2; transform-origin: left center; }
.l1 { width: 300px; top: 40%; left: 20%; transform: rotate(20deg); animation: lineFade 4s infinite; }
.l2 { width: 400px; top: 60%; left: 50%; transform: rotate(-10deg); animation: lineFade 4s infinite 1s; }
.l3 { width: 250px; top: 30%; left: 70%; transform: rotate(45deg); animation: lineFade 4s infinite 2s; }
@keyframes lineFade { 0%, 100% { opacity: 0; width: 0; } 50% { opacity: 0.3; width: 100%; } }

/* Pricing */
.core-sec { padding: 120px 0; }
.sec-label { font-family: var(--font-head); font-size: 11px; font-weight: 700; color: var(--mirage-accent); letter-spacing: 4px; margin-bottom: 24px; display: block; }
.sec-h2 { font-size: 48px; font-weight: 900; margin-bottom: 80px; letter-spacing: -2px; }

.core-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.core-card {
    padding: 60px 40px;
    background: white;
    border: 1px solid var(--mirage-border);
    border-radius: 4px;
    transition: 0.4s;
}
.core-card:hover { transform: translateY(-15px); border-color: var(--mirage-accent); box-shadow: 0 40px 80px rgba(0,0,0,0.05); }

.cc-visual { height: 80px; margin-bottom: 40px; display: flex; align-items: center; justify-content: center; }
.cc-cube { width: 40px; height: 40px; border: 2px solid var(--mirage-accent); transform: rotateX(45deg) rotateY(45deg); animation: rotateCube 4s infinite linear; }
@keyframes rotateCube { 100% { transform: rotateX(225deg) rotateY(225deg); } }
.cc-ripple { width: 40px; height: 40px; border: 2px solid var(--mirage-accent); border-radius: 50%; position: relative; }
.cc-ripple::after { content: ''; position: absolute; width: 100%; height: 100%; border: 1px solid var(--mirage-accent); border-radius: 50%; animation: pulse 2s infinite; }
.cc-scan { width: 60px; height: 2px; background: var(--mirage-accent); position: relative; animation: scanMove 2s infinite ease-in-out; }
@keyframes scanMove { 0%, 100% { transform: translateY(-20px); } 50% { transform: translateY(20px); } }

.core-card h3 { font-size: 24px; font-weight: 800; margin-bottom: 20px; }
.core-card p { font-size: 15px; color: var(--mirage-sub); }

/* Space Section */
.space-sec { padding: 120px 0; background: rgba(26,26,26,0.02); }
.space-layout { display: flex; align-items: center; gap: 100px; }
.space-text { flex: 1; }
.sec-p { font-size: 18px; color: var(--mirage-sub); margin-bottom: 48px; }

.space-stats { display: flex; gap: 60px; }
.stat-box strong { display: block; font-size: 40px; font-weight: 900; color: var(--mirage-text); letter-spacing: -2px; }
.stat-box span { font-size: 12px; font-weight: 800; color: var(--mirage-sub); text-transform: uppercase; letter-spacing: 2px; }

.space-visual { flex: 1.2; height: 400px; position: relative; perspective: 1000px; }
.perspective-grid {
    width: 100%; height: 100%;
    position: relative;
    transform: rotateX(60deg);
    border: 1px solid var(--mirage-border);
}
.grid-line { position: absolute; background: var(--mirage-border); }
.h1 { width: 100%; height: 1px; top: 33%; }
.h2 { width: 100%; height: 1px; top: 66%; }
.v1 { height: 100%; width: 1px; left: 33%; }
.v2 { height: 100%; width: 1px; left: 66%; }
.node-point {
    position: absolute; width: 12px; height: 12px; background: var(--mirage-accent);
    left: 50%; top: 50%; transform: translate(-50%, -50%); border-radius: 50%;
    box-shadow: 0 0 20px var(--mirage-accent); animation: floatNode 3s infinite ease-in-out;
}
@keyframes floatNode { 0%, 100% { transform: translate(-50%, -50%) translateZ(0); } 50% { transform: translate(-50%, -50%) translateZ(50px); } }

/* Tech Section */
.tech-sec { padding: 120px 0; }
.tech-glass {
    padding: 100px 80px; background: var(--mirage-text); color: white;
    border-radius: 4px; position: relative; overflow: hidden;
}
.tech-glass::before { content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 100%; background: linear-gradient(45deg, transparent, rgba(255, 92, 0, 0.1), transparent); animation: sweep 5s infinite linear; }
@keyframes sweep { 0% { transform: translateX(-100%); } 100% { transform: translateX(100%); } }

.tg-content { position: relative; z-index: 2; }
.tg-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; margin-top: 64px; }
.tg-item h4 { font-size: 20px; font-weight: 800; margin-bottom: 16px; color: var(--mirage-accent); }
.tg-item p { font-size: 15px; color: rgba(255,255,255,0.6); }

/* Pricing */
.pricing-sec { padding: 120px 0; }
.sec-head-center { text-align: center; margin-bottom: 80px; }
.mirage-pricing { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.mp-card {
    padding: 60px 48px; background: white; border: 1px solid var(--mirage-border);
    text-align: center; transition: 0.4s; display: flex; flex-direction: column;
}
.mp-card:hover { border-color: var(--mirage-text); transform: translateY(-10px); }
.mp-card.active { border: 2px solid var(--mirage-text); position: relative; }
.mp-badge {
    position: absolute; top: -14px; left: 50%; transform: translateX(-50%);
    background: var(--mirage-text); color: white; padding: 4px 16px;
    font-size: 11px; font-weight: 800; font-family: var(--font-head);
}

.mp-name { font-family: var(--font-head); font-size: 14px; color: var(--mirage-sub); margin-bottom: 40px; }
.mp-price { font-size: 56px; font-weight: 900; margin-bottom: 48px; letter-spacing: -3px; }
.mp-price span { font-size: 18px; font-weight: 400; color: var(--mirage-sub); letter-spacing: 0; }

.mp-list { list-style: none; text-align: left; margin-bottom: 56px; flex-grow: 1; }
.mp-list li { margin-bottom: 16px; font-size: 14px; color: var(--mirage-sub); display: flex; gap: 12px; }
.mp-list li::before { content: '×'; color: var(--mirage-accent); font-weight: 900; }

.btn-mp { display: block; padding: 20px; border: 1px solid var(--mirage-border); text-decoration: none; color: var(--mirage-text); font-weight: 800; text-transform: uppercase; transition: 0.3s; }
.btn-mp:hover { background: #fdfdfd; border-color: var(--mirage-text); }
.btn-mp-main { display: block; padding: 20px; background: var(--mirage-text); color: white; text-decoration: none; font-weight: 800; text-transform: uppercase; }

/* Footer */
.mirage-footer { padding: 100px 0 40px; border-top: 1px solid var(--mirage-border); background: rgba(26,26,26,0.01); }
.ft-content { display: flex; justify-content: space-between; gap: 100px; margin-bottom: 80px; }
.ft-brand { flex: 1.5; }
.ft-brand p { font-size: 14px; color: var(--mirage-sub); margin-top: 24px; max-width: 340px; }
.ft-links { flex: 2; display: grid; grid-template-columns: repeat(2, 1fr); gap: 40px; }
.ft-col h4 { font-family: var(--font-head); font-size: 13px; margin-bottom: 32px; color: var(--mirage-text); }
.ft-col a { display: block; text-decoration: none; color: var(--mirage-sub); font-size: 14px; margin-bottom: 16px; transition: 0.2s; }
.ft-col a:hover { color: var(--mirage-accent); }

.ft-bottom { padding-top: 40px; border-top: 1px solid var(--mirage-border); display: flex; justify-content: space-between; font-size: 12px; color: var(--mirage-sub); }
.socials a { color: var(--mirage-text); text-decoration: none; margin-left: 24px; font-weight: 800; font-family: var(--font-head); }

/* Responsive */
@media (max-width: 1024px) {
    .mirage-hero, .space-layout, .tg-grid, .ft-content { flex-direction: column; text-align: center; }
    .hero-h1 { font-size: 56px; }
    .hero-p, .ft-brand p { margin: 0 auto 40px; }
    .hero-actions, .space-stats { justify-content: center; }
    .core-grid, .mirage-pricing, .ft-links { grid-template-columns: 1fr; }
    .hero-visual { display: none; }
}