/* ===== 宇霖科技 · 深空指挥舱设计系统 ===== */
:root {
  --bg: #05070f;
  --bg-2: #0a0f1e;
  --panel: rgba(13, 20, 38, 0.72);
  --line: rgba(64, 156, 255, 0.16);
  --cyan: #22d3ee;
  --cyan-dim: rgba(34, 211, 238, 0.14);
  --violet: #8b7cf6;
  --amber: #f5a524;
  --text: #e6f0ff;
  --text-dim: #8fa3c4;
  --font-disp: 'Orbitron', 'Noto Sans SC', sans-serif;
  --font-body: 'Noto Sans SC', sans-serif;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  overflow-x: hidden;
}
::selection { background: var(--cyan); color: #04121a; }

/* 星空画布 & 扫描线 */
#starfield { position: fixed; inset: 0; z-index: 0; pointer-events: none; }
.scanlines {
  position: fixed; inset: 0; z-index: 1; pointer-events: none; opacity: .5;
  background: repeating-linear-gradient(0deg, transparent 0 3px, rgba(120,180,255,.014) 3px 4px);
}
#app { position: relative; z-index: 2; }

/* ===== 导航 ===== */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 50;
  display: flex; align-items: center; gap: 28px;
  padding: 0 clamp(16px, 4vw, 56px); height: 64px;
  background: rgba(5, 7, 15, 0.78);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}
.brand { display: flex; align-items: center; gap: 10px; cursor: pointer; }
.brand-mark {
  width: 30px; height: 30px; border-radius: 7px;
  background: conic-gradient(from 210deg, var(--cyan), var(--violet), var(--cyan));
  display: grid; place-items: center;
  font-family: var(--font-disp); font-weight: 700; font-size: 15px; color: #04121a;
  box-shadow: 0 0 18px rgba(34, 211, 238, .45);
}
.brand-name { font-family: var(--font-disp); font-weight: 600; font-size: 15px; letter-spacing: 1px; }
.brand-name em { font-style: normal; color: var(--cyan); }
.nav-links { display: flex; gap: 4px; margin-left: auto; }
.nav-links a {
  color: var(--text-dim); text-decoration: none; font-size: 14px;
  padding: 7px 14px; border-radius: 8px; transition: .25s; cursor: pointer;
}
.nav-links a:hover { color: var(--text); background: rgba(34,211,238,.08); }
.nav-links a.on { color: var(--cyan); background: var(--cyan-dim); }
.nav-cta {
  margin-left: 6px; padding: 8px 18px; border-radius: 9px; font-size: 14px;
  color: #04121a; background: linear-gradient(120deg, var(--cyan), #4de3ff);
  border: none; cursor: pointer; font-weight: 600;
  box-shadow: 0 0 20px rgba(34,211,238,.35); transition: .25s;
}
.nav-cta:hover { transform: translateY(-1px); box-shadow: 0 0 30px rgba(34,211,238,.55); }

/* ===== Hero ===== */
.hero { min-height: 92vh; display: grid; place-items: center; text-align: center; padding: 120px 20px 60px; position: relative; }
.hero-ring {
  position: absolute; width: min(72vw, 640px); aspect-ratio: 1; border-radius: 50%;
  border: 1px solid rgba(34,211,238,.14);
  box-shadow: inset 0 0 90px rgba(139,124,246,.07);
  animation: spin 40s linear infinite;
}
.hero-ring::before, .hero-ring::after {
  content: ''; position: absolute; border-radius: 50%; border: 1px dashed rgba(139,124,246,.22);
  inset: 42px; animation: spin 60s linear infinite reverse;
}
.hero-ring::after { inset: 96px; border-color: rgba(34,211,238,.16); animation-duration: 90s; }
@keyframes spin { to { transform: rotate(360deg); } }
.hero-tag {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 13px; letter-spacing: 4px; color: var(--cyan);
  border: 1px solid rgba(34,211,238,.3); border-radius: 999px; padding: 6px 20px;
  background: rgba(34,211,238,.06); margin-bottom: 28px;
}
.hero-tag i { width: 6px; height: 6px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 8px var(--cyan); animation: pulse 1.6s infinite; }
@keyframes pulse { 50% { opacity: .3; } }
.hero h1 {
  font-family: var(--font-disp); font-weight: 700;
  font-size: clamp(34px, 6.4vw, 72px); line-height: 1.18; letter-spacing: 2px;
  text-shadow: 0 0 44px rgba(34,211,238,.3);
}
.hero h1 em { font-style: normal; background: linear-gradient(100deg, var(--cyan) 10%, #6ee7ff 40%, var(--violet) 90%); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero p.sub { max-width: 640px; margin: 22px auto 0; color: var(--text-dim); font-size: clamp(15px, 1.8vw, 18px); }
.hero-actions { margin-top: 40px; display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.btn {
  padding: 13px 30px; border-radius: 11px; font-size: 15px; cursor: pointer;
  border: 1px solid rgba(34,211,238,.4); color: var(--cyan); background: transparent;
  font-family: var(--font-body); letter-spacing: 1px; transition: .25s; text-decoration: none; display: inline-block;
}
.btn:hover { background: var(--cyan-dim); box-shadow: 0 0 26px rgba(34,211,238,.28); }
.btn.solid {
  background: linear-gradient(120deg, var(--cyan), #55e6ff); color: #04121a; font-weight: 700; border: none;
  box-shadow: 0 0 26px rgba(34,211,238,.4);
}
.btn.solid:hover { box-shadow: 0 0 40px rgba(34,211,238,.6); transform: translateY(-2px); }

/* 数字条 */
.stats { display: flex; justify-content: center; gap: clamp(24px, 6vw, 88px); flex-wrap: wrap; padding: 10px 20px 70px; }
.stat { text-align: center; }
.stat b { font-family: var(--font-disp); font-size: clamp(26px, 3.4vw, 40px); color: var(--cyan); text-shadow: 0 0 22px rgba(34,211,238,.45); }
.stat span { display: block; margin-top: 6px; color: var(--text-dim); font-size: 13px; letter-spacing: 2px; }

/* ===== 通用区块 ===== */
.section { max-width: 1200px; margin: 0 auto; padding: 84px clamp(18px, 4vw, 40px); }
.sec-head { text-align: center; margin-bottom: 52px; }
.sec-head .kicker { font-family: var(--font-disp); font-size: 12px; letter-spacing: 6px; color: var(--violet); }
.sec-head h2 { font-size: clamp(24px, 3.6vw, 36px); margin-top: 12px; letter-spacing: 2px; }
.sec-head p { color: var(--text-dim); margin-top: 12px; max-width: 620px; margin-inline: auto; }
.sec-head .bar { width: 56px; height: 2px; margin: 18px auto 0; background: linear-gradient(90deg, var(--cyan), var(--violet)); box-shadow: 0 0 12px var(--cyan); }

/* 模块矩阵 */
.mod-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 20px; }
.mod-card {
  position: relative; padding: 28px 26px; border-radius: 16px; cursor: pointer;
  background: var(--panel); border: 1px solid var(--line);
  transition: transform .3s, border-color .3s, box-shadow .3s; overflow: hidden;
}
.mod-card::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(420px 200px at 20% 0%, rgba(34,211,238,.1), transparent 60%);
  opacity: 0; transition: .35s;
}
.mod-card:hover { transform: translateY(-6px); border-color: rgba(34,211,238,.45); box-shadow: 0 14px 44px rgba(34,211,238,.13); }
.mod-card:hover::before { opacity: 1; }
.mod-card .glyph {
  width: 46px; height: 46px; border-radius: 12px; display: grid; place-items: center;
  font-size: 21px; margin-bottom: 18px;
  background: linear-gradient(135deg, rgba(34,211,238,.16), rgba(139,124,246,.16));
  border: 1px solid rgba(34,211,238,.28); color: var(--cyan);
}
.mod-card h3 { font-size: 18px; letter-spacing: 1px; }
.mod-card h3 small { font-family: var(--font-disp); font-size: 11px; color: var(--text-dim); letter-spacing: 2px; margin-left: 8px; }
.mod-card p { color: var(--text-dim); font-size: 14px; margin-top: 10px; min-height: 44px; }
.mod-foot { display: flex; align-items: center; justify-content: space-between; margin-top: 18px; }
.badge { font-size: 12px; padding: 3px 12px; border-radius: 999px; letter-spacing: 1px; border: 1px solid; }
.badge.live { color: #4ade80; border-color: rgba(74,222,128,.4); background: rgba(74,222,128,.08); }
.badge.beta { color: var(--amber); border-color: rgba(245,165,36,.4); background: rgba(245,165,36,.08); }
.badge.soon { color: var(--text-dim); border-color: rgba(143,163,196,.3); background: rgba(143,163,196,.06); }
.mod-foot .go { color: var(--cyan); font-size: 13px; opacity: 0; transform: translateX(-6px); transition: .3s; }
.mod-card:hover .go { opacity: 1; transform: none; }
.mod-card.locked { opacity: .82; }
.mod-card.locked:hover { opacity: 1; }

/* 方案条 */
.sol-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 16px; }
.sol-item {
  padding: 22px; border-radius: 14px; border: 1px solid var(--line);
  background: linear-gradient(160deg, rgba(13,20,38,.8), rgba(10,15,30,.5)); transition: .3s; cursor: pointer;
}
.sol-item:hover { border-color: rgba(139,124,246,.5); box-shadow: 0 10px 34px rgba(139,124,246,.14); transform: translateY(-4px); }
.sol-item b { display: block; font-size: 16px; margin-bottom: 8px; }
.sol-item span { color: var(--text-dim); font-size: 13px; }

/* 招商横幅 */
.agent-banner {
  position: relative; border-radius: 20px; overflow: hidden; text-align: center;
  padding: clamp(40px, 7vw, 72px) 28px;
  background:
    radial-gradient(600px 300px at 15% 0%, rgba(139,124,246,.22), transparent 60%),
    radial-gradient(600px 300px at 85% 100%, rgba(34,211,238,.18), transparent 60%),
    var(--bg-2);
  border: 1px solid rgba(139,124,246,.3);
}
.agent-banner h2 { font-size: clamp(24px, 3.6vw, 38px); letter-spacing: 2px; }
.agent-banner h2 em { font-style: normal; color: var(--violet); }
.agent-banner .split { display: flex; justify-content: center; gap: clamp(30px, 8vw, 90px); margin: 30px 0 34px; flex-wrap: wrap; }
.agent-banner .split div b { font-family: var(--font-disp); font-size: clamp(24px, 3vw, 34px); color: var(--cyan); }
.agent-banner .split div span { display: block; color: var(--text-dim); font-size: 13px; margin-top: 4px; }

/* 会员档位 */
.vip-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 18px; max-width: 1080px; margin: 0 auto; }
.vip-card {
  padding: 30px 24px; border-radius: 16px; text-align: center;
  background: var(--panel); border: 1px solid var(--line); position: relative; transition: .3s;
}
.vip-card:hover { transform: translateY(-5px); }
.vip-card.hot { border-color: rgba(34,211,238,.55); box-shadow: 0 0 40px rgba(34,211,238,.16); }
.vip-card .tag { position: absolute; top: -11px; left: 50%; transform: translateX(-50%); font-size: 11px; letter-spacing: 2px; padding: 3px 14px; border-radius: 999px; background: linear-gradient(120deg, var(--cyan), var(--violet)); color: #04121a; font-weight: 700; white-space: nowrap; }
.vip-card h4 { font-size: 17px; letter-spacing: 2px; }
.vip-card .price { font-family: var(--font-disp); font-size: 34px; color: var(--cyan); margin: 16px 0 4px; }
.vip-card .price small { font-size: 13px; color: var(--text-dim); font-family: var(--font-body); }
.vip-card ul { list-style: none; margin-top: 18px; text-align: left; }
.vip-card li { font-size: 13.5px; color: var(--text-dim); padding: 7px 0 7px 22px; position: relative; border-bottom: 1px dashed rgba(143,163,196,.12); }
.vip-card li::before { content: '▸'; position: absolute; left: 4px; color: var(--cyan); }

/* 技术条 */
.tech-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; }
.tech-item { padding: 26px; border-radius: 14px; border: 1px solid var(--line); background: var(--panel); }
.tech-item b { color: var(--cyan); font-size: 15px; display: block; margin-bottom: 8px; letter-spacing: 1px; }
.tech-item p { font-size: 13.5px; color: var(--text-dim); }

/* 模块详情页 */
.m-hero { padding: 140px 20px 50px; text-align: center; position: relative; }
.m-hero .glyph-big {
  width: 72px; height: 72px; margin: 0 auto 22px; border-radius: 18px; display: grid; place-items: center; font-size: 32px;
  background: linear-gradient(135deg, rgba(34,211,238,.2), rgba(139,124,246,.2));
  border: 1px solid rgba(34,211,238,.4); box-shadow: 0 0 40px rgba(34,211,238,.25);
}
.m-hero h1 { font-family: var(--font-disp); font-size: clamp(28px, 4.6vw, 46px); letter-spacing: 3px; }
.m-hero .sub { color: var(--text-dim); margin-top: 14px; font-size: clamp(15px, 2vw, 17px); max-width: 660px; margin-inline: auto; }
.feat-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 14px; }
.feat-item {
  padding: 20px 18px; border-radius: 12px; text-align: center; font-size: 14.5px;
  border: 1px solid var(--line); background: rgba(13,20,38,.6); transition: .25s;
}
.feat-item:hover { border-color: rgba(34,211,238,.5); background: var(--cyan-dim); }
.feat-item::before { content: attr(data-idx); display: block; font-family: var(--font-disp); font-size: 12px; color: var(--violet); margin-bottom: 8px; letter-spacing: 2px; }
.m-section { max-width: 1000px; margin: 0 auto; padding: 40px clamp(18px, 4vw, 40px); }
.m-section h2 { font-size: 21px; letter-spacing: 2px; margin-bottom: 22px; display: flex; align-items: center; gap: 12px; }
.m-section h2::before { content: ''; width: 8px; height: 8px; background: var(--cyan); box-shadow: 0 0 10px var(--cyan); transform: rotate(45deg); }
.m-section p.desc { color: var(--text-dim); }
.scene-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 12px; }
.scene-item { padding: 16px 18px; border-radius: 10px; border-left: 2px solid var(--violet); background: rgba(139,124,246,.06); font-size: 14px; color: var(--text-dim); }
.scene-item b { color: var(--text); display: block; margin-bottom: 4px; }

/* 行业方案模板库（农文商旅） */
.ind-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 16px; }
.ind-group {
  display: flex; gap: 16px; align-items: flex-start; padding: 22px 20px; border-radius: 14px;
  background: var(--panel); border: 1px solid var(--line); transition: .3s;
}
.ind-group:hover { border-color: rgba(34,211,238,.45); box-shadow: 0 10px 34px rgba(34,211,238,.12); transform: translateY(-3px); }
.ind-g {
  flex: 0 0 46px; height: 46px; border-radius: 12px; display: grid; place-items: center;
  font-size: 20px; font-weight: 700; color: #04121a;
  background: linear-gradient(135deg, var(--cyan), var(--violet));
  box-shadow: 0 0 18px rgba(34,211,238,.35);
}
.ind-items { display: flex; flex-wrap: wrap; gap: 8px; }
.ind-items span {
  font-size: 13.5px; color: var(--text-dim); padding: 5px 13px; border-radius: 999px;
  border: 1px solid rgba(143,163,196,.22); background: rgba(13,20,38,.5); transition: .25s; cursor: default;
}
.ind-items span:hover { color: var(--cyan); border-color: rgba(34,211,238,.45); background: var(--cyan-dim); }
.m-cta { text-align: center; padding: 50px 20px 90px; }
.soon-note {
  max-width: 640px; margin: 0 auto; padding: 20px 26px; border-radius: 14px; text-align: left;
  border: 1px dashed rgba(245,165,36,.4); background: rgba(245,165,36,.05); color: var(--text-dim); font-size: 14px;
}
.soon-note b { color: var(--amber); }

/* 滚动渐入 */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .7s ease, transform .7s ease; }
.reveal.in { opacity: 1; transform: none; }

/* Footer */
footer { border-top: 1px solid var(--line); padding: 40px 20px 30px; text-align: center; color: var(--text-dim); font-size: 13px; position: relative; z-index: 2; }
footer .f-brand { font-family: var(--font-disp); color: var(--text); letter-spacing: 2px; margin-bottom: 10px; }
footer a { color: var(--text-dim); text-decoration: none; margin: 0 10px; }
footer a:hover { color: var(--cyan); }

/* 404 */
.nf { text-align: center; padding: 160px 20px; }
.nf b { font-family: var(--font-disp); font-size: 60px; color: var(--violet); }

@media (max-width: 760px) {
  .nav-links { display: none; }
  .nav-cta { margin-left: auto; }
  .hero { min-height: 78vh; }
  .stats { gap: 30px; }
}