@import url('https://fonts.googleapis.com/css2?family=DM+Mono:wght@400;500&family=Manrope:wght@500;600;700;800&family=Noto+Sans+SC:wght@400;500;600;700;800;900&display=swap');

:root {
  --navy: #10274e;
  --navy-deep: #091a36;
  --blue: #185fe6;
  --sky: #eaf2ff;
  --paper: #f7f9fc;
  --line: #d8e1ef;
  --text: #183152;
  --muted: #637a9b;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--paper); color: var(--text); font-family: Manrope, "Noto Sans SC", sans-serif; }
a { color: inherit; text-decoration: none; }
.page { overflow: hidden; }
.noise, .glow, .orbit { display: none; }
.container { width: min(1180px, calc(100% - 56px)); margin: 0 auto; }

.nav { height: 84px; display: flex; align-items: center; justify-content: space-between; color: var(--navy); }
.logo { display: flex; align-items: center; gap: 10px; font-weight: 900; font-size: 22px; letter-spacing: -1px; }
.logo-mark { display: grid; place-items: center; width: 29px; height: 29px; color: #fff; font-size: 15px; border-radius: 4px 13px 4px 4px; background: var(--blue); }
.nav-links { display: flex; align-items: center; gap: 32px; color: #586f91; font-size: 14px; font-weight: 700; }
.nav-links a { padding: 8px 0; border-bottom: 2px solid transparent; transition: color .2s, border-color .2s; }
.nav-links a:hover, .nav-links .active { color: var(--navy); border-color: var(--blue); }
.nav-links .complaint-link { color: #b53c3c; border-color: transparent; }
.nav-links .complaint-link:hover { color: #8d1f1f; border-color: #b53c3c; }
.nav-enter { padding: 11px 16px; color: #fff; background: var(--navy); font-size: 13px; font-weight: 800; border-radius: 3px; transition: background .2s; }
.nav-enter:hover { background: var(--blue); }

.hero { min-height: 620px; display: grid; grid-template-columns: 1.1fr .9fr; align-items: stretch; position: relative; padding: 58px 0 78px; }
.hero > div:last-child:not(.hero-grid) { grid-column: 1; align-self: center; max-width: 650px; }
.hero-grid { grid-column: 2; grid-row: 1; margin-left: 48px; background: #dceafd; position: relative; overflow: hidden; }
.hero-grid::before { content: ""; position: absolute; inset: 11% 11% auto auto; width: 56%; aspect-ratio: 1; border: 1px solid rgba(24,95,230,.32); border-radius: 50%; }
.hero-grid::after { content: "云墟里"; position: absolute; left: 13%; bottom: 11%; color: var(--navy); font-size: clamp(55px, 7vw, 96px); font-weight: 900; letter-spacing: -.12em; writing-mode: vertical-rl; line-height: .85; }
.eyebrow, .section-label { color: var(--blue); font: 500 11px "DM Mono", monospace; letter-spacing: .14em; }
.hero h1 { margin: 20px 0 23px; color: var(--navy); font-size: clamp(52px, 6.7vw, 91px); line-height: 1.02; letter-spacing: -.085em; }
.gradient-text { color: var(--blue); background: none; -webkit-text-fill-color: currentColor; }
.hero p { max-width: 510px; margin: 0 0 30px; color: var(--muted); line-height: 1.85; font-size: 16px; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 20px; min-height: 51px; padding: 0 20px; color: #fff; background: var(--blue); border: 1px solid var(--blue); border-radius: 3px; font-size: 14px; font-weight: 800; transition: transform .2s, background .2s; }
.button:hover { background: var(--navy); transform: translateY(-2px); }
.button.ghost { color: var(--navy); background: transparent; border-color: #9eb1cc; }
.button.ghost:hover { color: #fff; }
.arrow { font-size: 19px; }
.metric-row { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; max-width: 520px; margin-top: 66px; padding-top: 18px; border-top: 1px solid var(--line); }
.metric strong { display: block; color: var(--navy); margin-bottom: 5px; font-size: 16px; }
.metric span { color: #7890ae; font-size: 12px; }

.blue-section { padding: 104px 0; background: var(--navy); color: #fff; }
.blue-section .section-label { color: #8dc0ff; }
.section-head { display: grid; grid-template-columns: 1.2fr .8fr; gap: 70px; padding-bottom: 48px; border-bottom: 1px solid rgba(255,255,255,.18); }
.section-head h2 { margin: 16px 0 0; font-size: clamp(36px, 4.2vw, 57px); line-height: 1.08; letter-spacing: -.07em; }
.section-head p { align-self: end; margin: 0; color: #b1c4e0; font-size: 15px; line-height: 1.8; }
.service-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; }
.service { min-height: 290px; padding: 31px 30px 26px 0; border-right: 1px solid rgba(255,255,255,.18); background: none; transition: background .25s; }
.service + .service { padding-left: 30px; }
.service:last-child { border-right: 0; }
.service:hover { background: rgba(255,255,255,.045); }
.service-num { color: #82baff; font: 500 11px "DM Mono", monospace; }
.service-icon { width: auto; height: auto; margin: 76px 0 25px; background: none; color: #6faeff; font-size: 22px; }
.service h3 { margin: 0 0 10px; font-size: 22px; letter-spacing: -.04em; }
.service p { margin: 0; color: #aec2df; font-size: 14px; line-height: 1.75; max-width: 260px; }

.spotlight { padding: 100px 0; background: #fff; }
.spotlight-inner { min-height: 385px; padding: 10px 48% 10px 0; position: relative; }
.spotlight h2 { margin: 17px 0 20px; color: var(--navy); font-size: clamp(38px, 4.5vw, 63px); line-height: 1.06; letter-spacing: -.075em; }
.spotlight p { color: var(--muted); font-size: 15px; line-height: 1.85; }
.product-stack { width: 39%; height: 100%; position: absolute; right: 0; top: 0; background: var(--sky); }
.product-card.back { display: none; }
.product-card.front { position: absolute; inset: 13% 12%; padding: 25px; background: #fff; border-radius: 0; box-shadow: 20px 20px 0 #bed8ff; }
.product-img { height: 155px; background: linear-gradient(135deg, #10366f, #2685eb); position: relative; overflow: hidden; }
.product-img::after { content: "YUNXULI"; position: absolute; bottom: 14px; left: 15px; color: #fff; font: 500 13px "DM Mono", monospace; letter-spacing: .15em; }
.product-card small { display: block; margin-top: 18px; color: #7b91ad; }
.product-card b { display: block; margin-top: 7px; color: var(--navy); font-size: 20px; }
.product-card em { display: block; margin-top: 13px; color: var(--blue); font: 500 11px "DM Mono", monospace; letter-spacing: .06em; }

.cta-panel { padding: 112px 0; background: #dfeeff; color: var(--navy); }
.cta-panel .container { max-width: 800px; text-align: center; }
.cta-panel h2 { margin: 17px 0 21px; font-size: clamp(40px, 5vw, 67px); line-height: 1.04; letter-spacing: -.08em; }
.cta-panel p { max-width: 470px; margin: 0 auto 32px; color: var(--muted); line-height: 1.75; }
.cta-group { display: flex; justify-content: center; gap: 12px; }
.footer { padding: 34px 0; background: #07182f; color: #fff; }
.footer-inner { display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.footer small { color: #91a7c6; font-size: 12px; }
.beian { color: #bfd1e9; font-size: 12px; text-decoration: underline; text-underline-offset: 4px; }
.legal-links { display: flex; gap: 17px; color: #bfd1e9; font-size: 12px; }
.legal-links a:hover { color: #fff; text-decoration: underline; text-underline-offset: 4px; }
.reveal { animation: intro .7s ease both; }.d1 { animation-delay: .08s; }.d2 { animation-delay: .16s; }.d3 { animation-delay: .24s; }
@keyframes intro { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: none; } }

@media (max-width: 760px) {
  .container { width: min(100% - 40px, 1180px); }.nav { height: 70px; }.nav-links { display: none; }.nav-enter { font-size: 12px; padding: 10px 12px; }
  .hero { min-height: auto; display: block; padding: 55px 0 62px; }.hero-grid { display: block; height: 250px; margin: 48px 0 0; }.hero h1 { font-size: 57px; }.metric-row { margin-top: 44px; gap: 15px; }
  .blue-section { padding: 72px 0; }.section-head { display: block; padding-bottom: 36px; }.section-head p { margin-top: 22px; }.service-grid { display: block; }.service,.service + .service { min-height: auto; padding: 29px 0; border-right: 0; border-bottom: 1px solid rgba(255,255,255,.18); }.service:last-child { border: 0; }.service-icon { margin: 24px 0 15px; }
  .spotlight { padding: 72px 0; }.spotlight-inner { min-height: 630px; padding: 0; }.product-stack { width: 100%; height: 300px; top: 315px; }.product-card.front { inset: 10% 12%; }.cta-panel { padding: 74px 0; }.cta-group { flex-direction: column; align-items: center; }.footer-inner { display: block; }.footer small { display: block; margin: 14px 0; }.legal-links { margin: 14px 0; flex-wrap: wrap; }
}