/* 快连 VPN 矩阵旗舰版 - Matrix Edition Style */
:root {
    --matrix-blue: #0066FF;
    --matrix-dark: #0A0F1E;
    --matrix-slate: #1E293B;
    --matrix-gray: #64748B;
    --matrix-white: #FFFFFF;
    --matrix-bg: #F8FAFC;
    --matrix-border: rgba(0, 102, 255, 0.1);
    --matrix-glow: 0 0 20px rgba(0, 102, 255, 0.2);
    --font-main: 'Plus Jakarta Sans', sans-serif;
    --font-mono: 'IBM Plex Mono', monospace;
}

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

html { scroll-behavior: smooth; }

body {
    font-family: var(--font-main);
    background-color: var(--matrix-bg);
    color: var(--matrix-dark);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

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

/* Geometric Background */
.matrix-bg {
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    z-index: -1;
    background: var(--matrix-bg);
}

.grid-line {
    position: absolute;
    background: rgba(0, 102, 255, 0.03);
}

.grid-line.h { width: 100%; height: 1px; top: 20%; box-shadow: 0 400px 0 rgba(0, 102, 255, 0.03), 0 800px 0 rgba(0, 102, 255, 0.03); }
.grid-line.v { width: 1px; height: 100%; left: 20%; box-shadow: 400px 0 0 rgba(0, 102, 255, 0.03), 800px 0 0 rgba(0, 102, 255, 0.03); }

.geometric-shape {
    position: absolute;
    border: 1px solid rgba(0, 102, 255, 0.05);
    border-radius: 50%;
}

.s1 { width: 600px; height: 600px; top: -200px; right: -100px; }
.s2 { width: 400px; height: 400px; bottom: -100px; left: -100px; }

/* Mercury Blobs */
.mercury-blob {
    position: absolute;
    background: linear-gradient(135deg, #E2E8F0, #94A3B8);
    border-radius: 50%;
    filter: blur(1px);
    opacity: 0.2;
    box-shadow: inset -5px -5px 15px rgba(0,0,0,0.1), 
                inset 5px 5px 15px rgba(255,255,255,0.8);
}

.mercury-blob.b1 { width: 120px; height: 120px; top: 15%; left: 5%; animation: blobFloat 8s infinite alternate ease-in-out; }
.mercury-blob.b2 { width: 80px; height: 80px; bottom: 20%; right: 10%; animation: blobFloat 6s infinite alternate-reverse ease-in-out; }

@keyframes blobFloat {
    0% { transform: translate(0, 0) scale(1) rotate(0deg); border-radius: 50% 50% 50% 50%; }
    33% { transform: translate(20px, -30px) scale(1.1) rotate(10deg); border-radius: 40% 60% 50% 50%; }
    66% { transform: translate(-10px, 20px) scale(0.9) rotate(-10deg); border-radius: 60% 40% 60% 40%; }
    100% { transform: translate(0, 0) scale(1) rotate(0deg); border-radius: 50% 50% 50% 50%; }
}

/* Navigation */
.matrix-nav {
    height: 90px;
    position: sticky;
    top: 0;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--matrix-border);
    z-index: 1000;
}

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

.matrix-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 24px;
    font-weight: 800;
    color: var(--matrix-dark);
}

.matrix-logo span {
    font-size: 12px;
    font-family: var(--font-mono);
    color: var(--matrix-blue);
    background: rgba(0, 102, 255, 0.05);
    padding: 2px 8px;
    border-radius: 4px;
    text-transform: uppercase;
}

.logo-box { width: 32px; height: 32px; }

.nav-links { display: flex; gap: 40px; }
.nav-item {
    text-decoration: none;
    color: var(--matrix-gray);
    font-weight: 600;
    font-size: 15px;
    transition: 0.3s;
}
.nav-item:hover { color: var(--matrix-blue); }

.btn-matrix-nav {
    text-decoration: none;
    background: var(--matrix-blue);
    color: white;
    padding: 10px 24px;
    border-radius: 12px;
    font-weight: 700;
    transition: 0.3s;
    box-shadow: var(--matrix-glow);
}
.btn-matrix-nav:hover { transform: translateY(-2px); box-shadow: 0 8px 20px rgba(0, 102, 255, 0.3); }

/* Hero Section */
.matrix-hero { padding: 120px 0; }
.hero-grid { display: grid; grid-template-columns: 1.2fr 1fr; align-items: center; gap: 80px; }

.hero-badge {
    display: inline-block;
    padding: 6px 16px;
    background: white;
    border: 1px solid var(--matrix-border);
    border-radius: 50px;
    font-size: 13px;
    font-weight: 700;
    color: var(--matrix-blue);
    margin-bottom: 32px;
}

.hero-h1 {
    font-size: 72px;
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 24px;
    letter-spacing: -2px;
}

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

.hero-btns { display: flex; align-items: center; gap: 32px; }

.btn-matrix-main {
    text-decoration: none;
    background: var(--matrix-dark);
    color: white;
    padding: 20px 40px;
    border-radius: 16px;
    font-size: 18px;
    font-weight: 800;
    transition: 0.3s;
}
.btn-matrix-main:hover { transform: translateY(-4px); box-shadow: 0 20px 40px rgba(10, 15, 30, 0.2); }

.hero-status {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    font-weight: 600;
    color: var(--matrix-gray);
}

.status-indicator {
    width: 8px; height: 8px;
    background: #10B981;
    border-radius: 50%;
    animation: pulse 2s infinite;
}

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

/* Hero Visual Matrix Composition */
.matrix-composition {
    position: relative;
    height: 400px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.cube-wireframe {
    width: 300px; height: 300px;
    border: 2px solid var(--matrix-blue);
    position: relative;
    transform: rotateX(45deg) rotateZ(45deg);
    opacity: 0.1;
    animation: rotateCube 20s infinite linear;
}

@keyframes rotateCube { from { transform: rotateX(45deg) rotateZ(45deg); } to { transform: rotateX(45deg) rotateZ(405deg); } }

.data-particle {
    position: absolute;
    width: 40px; height: 40px;
    background: white;
    border: 1px solid var(--matrix-border);
    border-radius: 8px;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: var(--matrix-glow);
}

.p1 { top: 20%; left: 20%; animation: float 4s infinite ease-in-out; }
.p2 { bottom: 20%; right: 20%; animation: float 4s infinite ease-in-out 1s; }
.p3 { top: 50%; right: 10%; animation: float 4s infinite ease-in-out 2s; }

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

/* Tech Section */
.tech-sec { padding: 120px 0; background: white; }
.sec-header { text-align: left; margin-bottom: 80px; }
.sec-tag { font-family: var(--font-mono); font-size: 12px; color: var(--matrix-blue); text-transform: uppercase; letter-spacing: 2px; margin-bottom: 16px; display: block; }
.sec-h2 { font-size: 40px; font-weight: 800; }

.tech-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.tech-card {
    padding: 60px 40px;
    border: 1px solid var(--matrix-border);
    border-radius: 32px;
    transition: 0.4s;
}
.tech-card:hover { transform: translateY(-10px); border-color: var(--matrix-blue); box-shadow: var(--matrix-glow); }
.tech-card.active { background: var(--matrix-dark); color: white; border-color: var(--matrix-dark); }

.t-icon { width: 48px; height: 48px; color: var(--matrix-blue); margin-bottom: 32px; }
.tech-card h3 { font-size: 22px; margin-bottom: 16px; }
.tech-card p { color: var(--matrix-gray); font-size: 15px; }
.tech-card.active p { color: rgba(255,255,255,0.6); }

/* Node Map Section */
.node-sec { padding: 120px 0; }
.node-layout { display: flex; align-items: center; gap: 80px; }
.node-vis { flex: 1.5; background: white; border-radius: 40px; padding: 40px; border: 1px solid var(--matrix-border); }
.node-txt { flex: 1; }

.m-node.pulse { animation: nodePulse 2s infinite; }
@keyframes nodePulse { 0% { r: 4; opacity: 1; } 100% { r: 12; opacity: 0; } }

.node-stats { display: flex; gap: 48px; margin-top: 48px; }
.ns-item strong { display: block; font-size: 32px; color: var(--matrix-blue); margin-bottom: 4px; }
.ns-item span { font-size: 14px; color: var(--matrix-gray); font-weight: 600; }

/* Platform Sync */
.matrix-sync { padding: 120px 0; background: white; }
.sync-layout { display: flex; align-items: center; gap: 100px; }
.sync-txt { flex: 1; }
.sync-features { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; margin-top: 40px; }
.sync-item strong { display: block; color: var(--matrix-blue); font-size: 16px; margin-bottom: 8px; }
.sync-item p { font-size: 14px; color: var(--matrix-gray); }

.sync-visual { flex: 1; display: flex; justify-content: center; }
.device-overlap { position: relative; width: 400px; height: 300px; }
.device { background: white; border: 2px solid var(--matrix-dark); border-radius: 20px; position: absolute; box-shadow: 20px 20px 60px rgba(0,0,0,0.1); }
.device.laptop { width: 320px; height: 200px; bottom: 0; left: 0; }
.device.phone { width: 80px; height: 160px; top: 0; right: 20px; z-index: 2; border-radius: 12px; }
.sync-glow { position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); width: 200px; height: 200px; background: var(--matrix-blue); filter: blur(80px); opacity: 0.1; z-index: -1; }

/* Metrics Dashboard */
.matrix-metrics { padding: 80px 0; background: var(--matrix-dark); color: white; }
.metrics-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 24px; }
.metric-card { background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.1); padding: 40px; border-radius: 24px; }
.m-label { font-size: 13px; color: rgba(255,255,255,0.5); text-transform: uppercase; letter-spacing: 1px; margin-bottom: 12px; }
.m-value { font-size: 32px; font-weight: 800; color: white; }
.m-value span { font-size: 14px; font-weight: 400; opacity: 0.6; }

.metric-card.main { display: flex; flex-direction: column; justify-content: space-between; }
.m-graph { display: flex; align-items: flex-end; gap: 8px; height: 40px; margin-top: 24px; }
.graph-bar { flex: 1; background: var(--matrix-blue); border-radius: 2px; animation: grow 1.5s ease-out; }
@keyframes grow { from { height: 0; } }

/* Mercury Tech Section */
.mercury-tech { padding: 120px 0; background: white; }
.mercury-layout { display: flex; align-items: center; gap: 80px; }
.mercury-vis { flex: 1; display: flex; justify-content: center; filter: url('#goo'); }
.mercury-container { position: relative; width: 300px; height: 300px; }

.m-drop {
    position: absolute;
    background: var(--matrix-blue);
    border-radius: 50%;
    filter: brightness(1.2);
}

.md-1 { width: 60px; height: 60px; top: 20%; left: 20%; animation: mOrbit 10s infinite linear; }
.md-2 { width: 40px; height: 40px; bottom: 20%; right: 20%; animation: mOrbit 15s infinite linear reverse; }
.md-3 { width: 50px; height: 50px; top: 50%; right: 10%; animation: mOrbit 12s infinite linear; }

.m-core {
    position: absolute;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    width: 120px; height: 120px;
    background: var(--matrix-blue);
    border-radius: 50%;
    box-shadow: 0 0 40px rgba(0, 102, 255, 0.4);
}

@keyframes mOrbit {
    from { transform: rotate(0deg) translateX(100px) rotate(0deg); }
    to { transform: rotate(360deg) translateX(100px) rotate(-360deg); }
}

.mercury-txt { flex: 1; }
.m-features { list-style: none; margin-top: 32px; }
.m-features li { margin-bottom: 16px; padding-left: 28px; position: relative; font-size: 15px; }
.m-features li::before { content: '●'; position: absolute; left: 0; color: var(--matrix-blue); font-size: 12px; top: 2px; }

/* Trust Grid */
.matrix-trust { padding: 120px 0; }
.trust-grid-new { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; margin-top: 60px; }
.trust-card-new { text-align: center; padding: 40px; border: 1px solid var(--matrix-border); border-radius: 24px; transition: 0.3s; }
.trust-card-new:hover { border-color: var(--matrix-blue); transform: scale(1.02); }
.tc-icon { font-size: 32px; margin-bottom: 20px; }
.trust-card-new h4 { font-size: 18px; margin-bottom: 8px; }
.trust-card-new p { font-size: 14px; color: var(--matrix-gray); }

/* Security Section */
.sec-sec { padding: 120px 0; }
.sec-box {
    background: var(--matrix-dark);
    border-radius: 48px;
    padding: 80px;
    display: flex;
    align-items: center;
    gap: 80px;
    background-image: radial-gradient(circle at top left, rgba(0, 102, 255, 0.15), transparent 40%);
}
.sec-info { flex: 1.2; }
.sec-features-list { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; }
.sfl-item strong { display: block; color: var(--matrix-blue); font-size: 16px; margin-bottom: 12px; }
.sfl-item p { font-size: 14px; color: rgba(255,255,255,0.6); }

.sec-vis { flex: 0.8; display: flex; justify-content: center; }
.shield-generator { width: 200px; height: 200px; position: relative; }
.shield-ring {
    position: absolute; top: 0; left: 0; width: 100%; height: 100%;
    border: 2px dashed var(--matrix-blue); border-radius: 50%;
}
.shield-ring.r1 { animation: rotateShield 10s linear infinite; }
.shield-ring.r2 { transform: scale(0.7); animation: rotateShield 15s linear infinite reverse; opacity: 0.5; }
.shield-core {
    position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%);
    width: 40px; height: 40px; background: var(--matrix-blue); border-radius: 50%;
    box-shadow: 0 0 40px var(--matrix-blue);
}

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

/* Pricing */
.pricing-sec { padding: 120px 0; }
.sec-header-center { text-align: center; margin-bottom: 80px; }
.matrix-pricing-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.mp-card {
    background: white; padding: 60px 48px; border-radius: 40px; border: 1px solid var(--matrix-border);
    transition: 0.4s; text-align: center; display: flex; flex-direction: column;
}
.mp-card:hover { transform: translateY(-10px); box-shadow: var(--matrix-glow); border-color: var(--matrix-blue); }
.mp-card.featured { border-color: var(--matrix-blue); background: linear-gradient(to bottom, #fff, #F8FAFC); position: relative; }
.mp-badge {
    position: absolute; top: -14px; left: 50%; transform: translateX(-50%);
    background: var(--matrix-blue); color: white; padding: 4px 16px; border-radius: 50px;
    font-size: 11px; font-weight: 800; letter-spacing: 1px;
}

.mp-tier { font-family: var(--font-mono); font-size: 12px; color: var(--matrix-gray); text-transform: uppercase; margin-bottom: 24px; }
.mp-price { font-size: 56px; font-weight: 900; margin-bottom: 40px; letter-spacing: -2px; }
.mp-price span { font-size: 18px; font-weight: 400; color: var(--matrix-gray); letter-spacing: 0; }

.mp-list { list-style: none; margin-bottom: 48px; text-align: left; flex-grow: 1; }
.mp-list li { margin-bottom: 16px; font-size: 15px; color: var(--matrix-gray); display: flex; gap: 12px; }
.mp-list li::before { content: '→'; color: var(--matrix-blue); font-weight: 800; }

.btn-mp { display: block; padding: 18px; border: 1px solid var(--matrix-border); border-radius: 16px; text-decoration: none; color: var(--matrix-dark); font-weight: 700; transition: 0.3s; }
.btn-mp:hover { background: var(--matrix-blue); color: white; }
.btn-mp-main { display: block; padding: 18px; background: var(--matrix-blue); color: white; border-radius: 16px; text-decoration: none; font-weight: 800; box-shadow: var(--matrix-glow); }

/* Footer */
.matrix-footer { padding: 100px 0 40px; border-top: 1px solid var(--matrix-border); background: white; }
.ft-top { display: grid; grid-template-columns: 1.5fr 2fr; gap: 100px; margin-bottom: 80px; }
.ft-brand h3 { font-size: 24px; margin-bottom: 24px; }
.ft-logo-wrap { display: flex; align-items: center; gap: 12px; margin-bottom: 24px; }
.ft-brand p { color: var(--matrix-gray); font-size: 14px; max-width: 320px; }

.ft-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px; }
.ft-col h4 { font-size: 15px; margin-bottom: 24px; }
.ft-col a { display: block; text-decoration: none; color: var(--matrix-gray); font-size: 14px; margin-bottom: 12px; transition: 0.2s; }
.ft-col a:hover { color: var(--matrix-blue); transform: translateX(4px); }

.ft-bottom { padding-top: 40px; border-top: 1px solid var(--matrix-border); display: flex; justify-content: space-between; color: var(--matrix-gray); font-size: 13px; }
.socials a { color: var(--matrix-gray); text-decoration: none; margin-left: 24px; transition: 0.3s; }
.socials a:hover { color: var(--matrix-blue); }

/* Responsive */
@media (max-width: 1024px) {
    .hero-grid { grid-template-columns: 1fr; text-align: center; }
    .hero-p { margin: 0 auto 40px; }
    .hero-btns { justify-content: center; flex-direction: column; }
    .tech-grid, .matrix-pricing-grid, .ft-grid, .ft-top, .sync-features, .metrics-grid, .trust-grid-new { grid-template-columns: 1fr; }
    .node-layout, .sec-box, .sync-layout, .mercury-layout { flex-direction: column; text-align: center; }
    .device-overlap { width: 100%; max-width: 320px; margin: 40px auto 0; }
    .mercury-container { width: 200px; height: 200px; margin: 0 auto 40px; }
}