/* 快连 VPN 地平线版 - Horizon Edition Style */
:root {
    --horizon-blue: #0084FF;
    --horizon-sky: #EBF5FF;
    --horizon-text: #1D1D1F;
    --horizon-sub: #86868B;
    --horizon-white: #FFFFFF;
    --horizon-glass: rgba(255, 255, 255, 0.7);
    --font-main: 'Plus Jakarta Sans', 'Noto Sans SC', sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
    font-family: var(--font-main);
    color: var(--horizon-text);
    background-color: var(--horizon-white);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

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

/* Atmospheric Background */
.horizon-bg {
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    z-index: -1;
}

.sky-gradient {
    position: absolute; width: 100%; height: 100%;
    background: radial-gradient(circle at 50% 50%, #F0F7FF 0%, #FFFFFF 100%);
}

.floating-cloud {
    position: absolute;
    background: white;
    filter: blur(60px);
    opacity: 0.4;
    border-radius: 50%;
}
.c1 { width: 600px; height: 400px; top: -100px; left: -200px; animation: drift 20s infinite alternate; }
.c2 { width: 500px; height: 300px; bottom: -50px; right: -100px; animation: drift 25s infinite alternate-reverse; }
.c3 { width: 300px; height: 300px; top: 20%; right: 10%; opacity: 0.2; }

@keyframes drift { from { transform: translate(0, 0); } to { transform: translate(50px, 30px); } }

.horizon-line {
    position: absolute; bottom: 0; width: 100%; height: 1px;
    background: linear-gradient(90deg, transparent, rgba(0, 132, 255, 0.1), transparent);
}

/* Navigation */
.horizon-nav {
    height: 80px;
    position: sticky;
    top: 0;
    background: var(--horizon-glass);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(0, 132, 255, 0.05);
    z-index: 1000;
}

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

.horizon-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 20px;
    font-weight: 800;
    color: var(--horizon-blue);
}

.horizon-logo span {
    font-size: 10px;
    color: var(--horizon-sub);
    letter-spacing: 2px;
    font-weight: 600;
}

.logo-orb { width: 32px; height: 32px; }
.logo-orb.small { width: 24px; height: 24px; }

.nav-links { display: flex; gap: 40px; }
.nav-item {
    text-decoration: none;
    color: var(--horizon-text);
    font-size: 15px;
    font-weight: 500;
    transition: 0.2s;
}
.nav-item:hover, .nav-item.active { color: var(--horizon-blue); }

.btn-horizon-nav {
    text-decoration: none;
    background: var(--horizon-blue);
    color: white;
    padding: 10px 24px;
    border-radius: 50px;
    font-size: 14px;
    font-weight: 700;
    transition: 0.3s;
    box-shadow: 0 8px 20px rgba(0, 132, 255, 0.2);
}
.btn-horizon-nav:hover { transform: translateY(-2px); box-shadow: 0 12px 25px rgba(0, 132, 255, 0.3); }

/* Hero Section */
.horizon-hero { padding: 140px 0 100px; text-align: center; }

.hero-badge {
    display: inline-block;
    padding: 6px 16px;
    background: var(--horizon-sky);
    color: var(--horizon-blue);
    border-radius: 50px;
    font-size: 12px;
    font-weight: 700;
    margin-bottom: 32px;
    letter-spacing: 1px;
}

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

.hero-p {
    font-size: 20px;
    color: var(--horizon-sub);
    max-width: 700px;
    margin: 0 auto 48px;
}

.btn-horizon-main {
    text-decoration: none;
    background: var(--horizon-text);
    color: white;
    padding: 20px 48px;
    border-radius: 50px;
    font-size: 18px;
    font-weight: 800;
    transition: 0.3s;
}
.btn-horizon-main:hover { transform: translateY(-4px); box-shadow: 0 20px 40px rgba(0,0,0,0.1); }

.scroll-indicator { margin-top: 80px; display: flex; flex-direction: column; align-items: center; gap: 12px; opacity: 0.5; }
.mouse { width: 24px; height: 40px; border: 2px solid var(--horizon-text); border-radius: 12px; position: relative; }
.mouse::before { content: ''; position: absolute; top: 8px; left: 50%; transform: translateX(-50%); width: 4px; height: 8px; background: var(--horizon-text); border-radius: 2px; animation: scrollDown 2s infinite; }
@keyframes scrollDown { 0% { transform: translate(-50%, 0); opacity: 1; } 100% { transform: translate(-50%, 15px); opacity: 0; } }
.scroll-indicator span { font-size: 12px; font-weight: 600; text-transform: uppercase; letter-spacing: 1px; }

/* Vision Section */
.vision-sec { padding: 100px 0; }
.vision-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.vision-card {
    padding: 60px 40px;
    background: var(--horizon-glass);
    border: 1px solid rgba(0, 132, 255, 0.05);
    border-radius: 40px;
    transition: 0.4s;
}
.vision-card:hover { transform: translateY(-10px); border-color: var(--horizon-blue); box-shadow: 0 30px 60px rgba(0, 132, 255, 0.05); }
.v-icon { margin-bottom: 32px; }
.v-icon svg { width: 40px; height: 40px; color: var(--horizon-blue); }
.vision-card h3 { font-size: 24px; margin-bottom: 16px; font-weight: 800; }
.vision-card p { color: var(--horizon-sub); font-size: 16px; }

/* Cloud Section */
.cloud-sec { padding: 120px 0; background: #F8FAFF; }
.cloud-layout { display: flex; align-items: center; gap: 80px; }
.cloud-text { flex: 1; }
.sec-label { color: var(--horizon-blue); font-size: 12px; font-weight: 800; letter-spacing: 2px; margin-bottom: 16px; display: block; }
.sec-h2 { font-size: 48px; font-weight: 900; line-height: 1.2; margin-bottom: 32px; }
.sec-p { font-size: 18px; color: var(--horizon-sub); margin-bottom: 40px; }

.node-counter strong { display: block; font-size: 48px; color: var(--horizon-blue); margin-bottom: 4px; }
.node-counter span { font-size: 14px; font-weight: 600; color: var(--horizon-sub); }

.cloud-visual { flex: 1.2; position: relative; height: 400px; }
.orb-network { width: 100%; height: 100%; position: relative; }
.orb { position: absolute; border-radius: 50%; background: white; box-shadow: 0 10px 30px rgba(0, 132, 255, 0.1); }
.o1 { width: 80px; height: 80px; top: 10%; left: 10%; animation: orbFloat 6s infinite ease-in-out; }
.o2 { width: 60px; height: 60px; top: 20%; right: 20%; animation: orbFloat 8s infinite ease-in-out 1s; }
.o3 { width: 100px; height: 100px; bottom: 10%; left: 20%; animation: orbFloat 7s infinite ease-in-out 2s; }
.o4 { width: 70px; height: 70px; bottom: 30%; right: 10%; animation: orbFloat 9s infinite ease-in-out 0.5s; }
.orb-center { position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); width: 160px; height: 160px; background: radial-gradient(circle, var(--horizon-blue), transparent); filter: blur(40px); opacity: 0.1; }

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

/* Scenario Section */
.scenario-sec { padding: 120px 0; }
.scenario-flex { display: flex; flex-direction: column; gap: 80px; margin-top: 60px; }
.s-item { display: flex; align-items: center; gap: 80px; }
.s-item.inverse { flex-direction: row-reverse; }
.s-visual { flex: 1; height: 360px; background: var(--horizon-sky); border-radius: 40px; position: relative; overflow: hidden; }
.v-tag { 
    position: absolute; top: 24px; left: 24px; background: white; 
    padding: 6px 14px; border-radius: 50px; font-size: 11px; 
    font-weight: 800; text-transform: uppercase; letter-spacing: 1px; 
    box-shadow: 0 10px 20px rgba(0,0,0,0.05);
}
.s-visual.work { background-image: linear-gradient(rgba(0,132,255,0.05), rgba(0,132,255,0.05)), url('https://images.unsplash.com/photo-1497215728101-856f4ea42174?auto=format&fit=crop&q=80&w=800'); background-size: cover; background-position: center; }
.s-visual.travel { background-image: linear-gradient(rgba(0,132,255,0.05), rgba(0,132,255,0.05)), url('https://images.unsplash.com/photo-1488085061387-422e29b40080?auto=format&fit=crop&q=80&w=800'); background-size: cover; background-position: center; }
.s-visual.privacy { background-image: linear-gradient(rgba(0,132,255,0.05), rgba(0,132,255,0.05)), url('https://images.unsplash.com/photo-1550751827-4bd374c3f58b?auto=format&fit=crop&q=80&w=800'); background-size: cover; background-position: center; }
.s-txt { flex: 1; }
.s-txt h4 { font-size: 28px; margin-bottom: 20px; font-weight: 800; }
.s-txt p { font-size: 18px; color: var(--horizon-sub); }

/* Status Dashboard */
.status-sec { padding: 80px 0; }
.status-glass { 
    background: var(--horizon-glass); border: 1px solid rgba(0,132,255,0.1); 
    border-radius: 40px; padding: 60px; backdrop-filter: blur(40px);
}
.status-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 48px; }
.status-header h3 { font-size: 20px; font-weight: 800; }
.live-dot { 
    display: flex; align-items: center; gap: 8px; font-size: 12px; font-weight: 800; color: #10B981; 
}
.live-dot::before { content: ''; width: 8px; height: 8px; background: #10B981; border-radius: 50%; animation: pulse 1.5s infinite; }
@keyframes pulse { 0% { opacity: 1; transform: scale(1); } 100% { opacity: 0; transform: scale(2.5); } }

.status-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 40px; }
.sg-item { display: flex; flex-direction: column; gap: 16px; }
.sg-info { display: flex; justify-content: space-between; font-size: 14px; font-weight: 600; }
.sg-info strong { color: var(--horizon-blue); }
.sg-bar { width: 100%; height: 6px; background: var(--horizon-sky); border-radius: 3px; overflow: hidden; }
.sg-bar .fill { height: 100%; background: var(--horizon-blue); border-radius: 3px; transition: 1s ease-out; }

/* Privacy Section */
.privacy-sec { padding: 120px 0; }
.privacy-box {
    background: var(--horizon-text);
    color: white;
    border-radius: 60px;
    padding: 100px 80px;
}
.p-header { margin-bottom: 80px; text-align: center; }
.p-header h2 { font-size: 40px; margin-bottom: 24px; }
.p-header p { color: rgba(255,255,255,0.6); max-width: 600px; margin: 0 auto; }

.p-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 48px; }
.p-item { position: relative; }
.pi-icon { margin-bottom: 32px; }
.pi-icon svg { width: 48px; height: 48px; color: rgba(255,255,255,0.2); }
.p-item h4 { font-size: 20px; margin-bottom: 16px; position: relative; }
.p-item p { font-size: 15px; color: rgba(255,255,255,0.6); position: relative; }

/* Pricing */
.pricing-sec { padding: 120px 0; }
.sec-head-center { text-align: center; margin-bottom: 80px; }
.horizon-pricing { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.hp-card {
    padding: 60px 40px;
    background: white;
    border: 1px solid rgba(0, 132, 255, 0.05);
    border-radius: 40px;
    text-align: center;
    transition: 0.4s;
    display: flex; flex-direction: column;
}
.hp-card:hover { transform: translateY(-10px); box-shadow: 0 40px 80px rgba(0, 132, 255, 0.08); }
.hp-card.active { border-color: var(--horizon-blue); position: relative; }
.hp-badge { position: absolute; top: -14px; left: 50%; transform: translateX(-50%); background: var(--horizon-blue); color: white; padding: 4px 16px; border-radius: 50px; font-size: 11px; font-weight: 800; }

.hp-name { font-size: 14px; font-weight: 700; color: var(--horizon-sub); text-transform: uppercase; margin-bottom: 32px; }
.hp-price { font-size: 56px; font-weight: 900; margin-bottom: 40px; letter-spacing: -2px; }
.hp-price span { font-size: 18px; font-weight: 400; color: var(--horizon-sub); letter-spacing: 0; }

.hp-list { list-style: none; margin-bottom: 48px; text-align: left; flex-grow: 1; }
.hp-list li { margin-bottom: 16px; font-size: 15px; color: var(--horizon-sub); display: flex; gap: 12px; }
.hp-list li::before { content: '•'; color: var(--horizon-blue); font-weight: 900; }

.btn-hp { display: block; padding: 18px; border: 1px solid rgba(0, 132, 255, 0.1); border-radius: 50px; text-decoration: none; color: var(--horizon-text); font-weight: 700; transition: 0.3s; }
.btn-hp:hover { background: var(--horizon-sky); color: var(--horizon-blue); }
.btn-hp-main { display: block; padding: 18px; background: var(--horizon-blue); color: white; border-radius: 50px; text-decoration: none; font-weight: 800; box-shadow: 0 10px 25px rgba(0, 132, 255, 0.2); }

/* Footer */
.horizon-footer { padding: 100px 0 40px; background: #F8FAFF; border-top: 1px solid rgba(0, 132, 255, 0.05); }
.ft-top { display: flex; justify-content: space-between; gap: 100px; margin-bottom: 80px; }
.ft-brand { flex: 1.5; }
.ft-brand p { font-size: 14px; color: var(--horizon-sub); margin-top: 24px; max-width: 320px; }
.ft-links { flex: 2; 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(--horizon-sub); font-size: 14px; margin-bottom: 12px; transition: 0.2s; }
.ft-col a:hover { color: var(--horizon-blue); transform: translateX(4px); }

.ft-bottom { padding-top: 40px; border-top: 1px solid rgba(0, 132, 255, 0.05); display: flex; justify-content: space-between; font-size: 13px; color: var(--horizon-sub); }
.socials a { color: var(--horizon-sub); text-decoration: none; margin-left: 24px; transition: 0.3s; }
.socials a:hover { color: var(--horizon-blue); }

/* Responsive */
@media (max-width: 1024px) {
    .cloud-layout, .ft-top { flex-direction: column; text-align: center; }
    .hero-h1 { font-size: 48px; }
    .vision-grid, .p-grid, .horizon-pricing, .ft-links { grid-template-columns: 1fr; }
    .ft-brand p { margin: 24px auto 0; }
}