:root{--ink:#07364a;--green:#176b52;--deep:#064b3a;--gold:#e7a830;--paper:#f5f1e8;--white:#fff;--muted:#5f716f}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;color:var(--ink);background:#fafaf7;font-family:"PingFang SC","Microsoft YaHei",system-ui,sans-serif;line-height:1.7}
a{color:inherit;text-decoration:none}
.nav{height:76px;display:flex;align-items:center;justify-content:space-between;padding:0 max(5vw,24px);position:sticky;top:0;z-index:10;background:rgba(250,250,247,.9);backdrop-filter:blur(14px);border-bottom:1px solid rgba(7,54,74,.08)}
.brand{display:flex;align-items:center;gap:12px;font-size:21px;font-weight:800;letter-spacing:.12em}.brand img{width:44px;height:44px;border-radius:13px;object-fit:cover}.nav nav{display:flex;gap:28px;font-size:14px;font-weight:600}.nav nav a:hover{color:var(--green)}
main{overflow:hidden}.hero{min-height:670px;padding:92px max(7vw,28px) 86px;display:grid;grid-template-columns:1.05fr .95fr;align-items:center;gap:7vw;background:radial-gradient(circle at 82% 22%,#c9ead8 0,transparent 31%),linear-gradient(135deg,#f8f5ec 0%,#edf5ee 100%)}
.hero-copy{max-width:720px}.eyebrow{margin:0 0 12px;color:var(--green);font-weight:800;font-size:12px;letter-spacing:.22em}.hero h1{margin:0;font-size:clamp(48px,6.2vw,90px);line-height:1.08;letter-spacing:-.05em}.hero h1 em{font-style:normal;color:var(--green)}.lead{max-width:650px;margin:28px 0 0;color:#405f5d;font-size:19px}.actions{display:flex;gap:14px;margin-top:36px}.actions a{padding:13px 24px;border-radius:999px;font-weight:700}.primary{background:var(--green);color:white;box-shadow:0 12px 26px rgba(23,107,82,.2)}.secondary{border:1px solid rgba(7,54,74,.22)}.miniapp-tip{margin-top:19px;color:#778986;font-size:13px}
.hero-visual{position:relative;max-width:540px;justify-self:end}.hero-visual img{display:block;width:100%;border-radius:42px;box-shadow:0 35px 70px rgba(6,75,58,.24);transform:rotate(2deg)}.route-line{position:absolute;inset:-22px;border:2px solid rgba(231,168,48,.55);border-left-color:transparent;border-bottom-color:transparent;border-radius:50%;transform:rotate(-18deg)}
.stats{display:grid;grid-template-columns:repeat(3,1fr);max-width:1120px;margin:-38px auto 0;position:relative;background:white;border-radius:24px;box-shadow:0 18px 55px rgba(7,54,74,.1);padding:24px}.stats div{padding:10px 28px;border-right:1px solid #e5ebe6}.stats div:last-child{border:0}.stats strong,.stats span{display:block}.stats strong{font-size:18px}.stats span{color:var(--muted);font-size:13px}
.section{padding:110px max(7vw,28px)}.section-heading{max-width:760px;margin-bottom:46px}.section h2,.ai-panel h2,.contact h2{margin:0;font-size:clamp(34px,4.2vw,58px);line-height:1.2;letter-spacing:-.035em}.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.card{background:white;padding:31px 28px;border-radius:22px;border:1px solid #e6ebe7;min-height:286px}.card span{color:var(--gold);font-size:13px;font-weight:800}.card h3{font-size:23px;margin:50px 0 10px}.card p{margin:0;color:var(--muted);font-size:14px}
.ai-panel{margin:0 max(4vw,18px);padding:84px max(5vw,28px);display:grid;grid-template-columns:.85fr 1.15fr;gap:8vw;color:white;background:linear-gradient(135deg,var(--deep),#0d7a5c);border-radius:34px}.ai-panel .eyebrow{color:#7ee4bd}.ai-copy>p{margin:0 0 28px;color:#d9eee5;font-size:17px}.ai-copy dl{margin:0}.ai-copy dl div{display:grid;grid-template-columns:110px 1fr;gap:18px;padding:14px 0;border-top:1px solid rgba(255,255,255,.16)}.ai-copy dt{color:#9ad6c0}.ai-copy dd{margin:0;font-weight:700}
.company{background:var(--paper);margin-top:110px}.company-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:8vw}.company-name h3{font-size:29px;margin:0 0 12px}.company-name p{max-width:650px;color:var(--muted)}.company ul{list-style:none;padding:0;margin:0}.company li{display:flex;justify-content:space-between;gap:20px;padding:16px 0;border-bottom:1px solid rgba(7,54,74,.14)}.company li span{color:var(--muted)}
.contact{padding:90px max(7vw,28px);display:flex;align-items:end;justify-content:space-between;gap:28px;background:white}.contact>a{font-size:clamp(18px,2.4vw,32px);font-weight:800;color:var(--green);border-bottom:2px solid var(--gold)}
footer{padding:28px max(5vw,24px);display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap;background:#052f3f;color:#d9e7e7;font-size:13px}.footer-links{display:flex;gap:20px}.footer-links a:hover{color:white}
.legal{max-width:900px;margin:auto;padding:72px 28px 110px}.legal h1{font-size:44px;margin:0 0 8px}.legal h2{margin-top:38px;font-size:22px}.legal p,.legal li{color:#435f5d}.back-home{display:inline-block;margin-bottom:34px;color:var(--green);font-weight:700}
@media(max-width:900px){.nav nav{display:none}.hero{grid-template-columns:1fr;padding-top:58px}.hero-visual{max-width:440px;justify-self:center}.stats{margin:0 18px;grid-template-columns:1fr}.stats div{border-right:0;border-bottom:1px solid #e5ebe6}.cards{grid-template-columns:repeat(2,1fr)}.ai-panel,.company-grid{grid-template-columns:1fr}.contact{align-items:flex-start;flex-direction:column}}
@media(max-width:560px){.hero{min-height:auto}.hero h1{font-size:44px}.lead{font-size:16px}.hero-visual img{border-radius:28px}.cards{grid-template-columns:1fr}.section{padding:80px 22px}.ai-panel{padding:60px 24px}.ai-copy dl div{grid-template-columns:1fr;gap:2px}.contact{padding:70px 22px}.footer-links{flex-wrap:wrap}}

.miniapp-panel{margin:110px max(4vw,18px) 0;padding:72px max(6vw,28px);display:grid;grid-template-columns:.55fr 1.45fr;align-items:center;gap:7vw;background:#fff;border:1px solid #e3eae5;border-radius:34px;box-shadow:0 22px 60px rgba(7,54,74,.08)}
.miniapp-mark{justify-self:center;max-width:270px}.miniapp-mark img{display:block;width:100%;border-radius:32px;box-shadow:0 24px 55px rgba(6,75,58,.2)}
.miniapp-copy h2{margin:0;font-size:clamp(34px,4.2vw,58px);line-height:1.2;letter-spacing:-.035em}.miniapp-copy>p:not(.eyebrow){max-width:720px;color:var(--muted);font-size:17px}.miniapp-copy ol{padding-left:1.4em;color:#405f5d}
.search-word{display:inline-flex;align-items:center;gap:10px;margin-top:12px;padding:12px 20px;border-radius:999px;background:#e8f5ee;color:var(--deep)}.search-word strong{font-size:20px;letter-spacing:.12em}
.faq{background:#f4f8f5}.faq-list{max-width:980px}.faq-list details{padding:22px 0;border-top:1px solid rgba(7,54,74,.14)}.faq-list summary{cursor:pointer;font-size:19px;font-weight:800}.faq-list p{max-width:850px;margin:10px 0 0;color:var(--muted)}

@media(max-width:900px){.miniapp-panel{grid-template-columns:1fr}.miniapp-mark{max-width:210px}}
.public-security{display:inline-flex;align-items:center;gap:6px}.public-security img{width:18px;height:20px;object-fit:contain}.public-security span{white-space:nowrap}