:root{--navy:#0F2A44;--navy2:#16395C;--amber:#C08A2E;--ink:#1A1A1A;
--grey:#5A6472;--line:#D6DCE4;--light:#F3F6F9;--white:#fff;}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,
"Helvetica Neue",Arial,"Microsoft YaHei",sans-serif;color:var(--ink);
font-size:16px;line-height:1.6;background:var(--white)}
img{max-width:100%;display:block}
a{color:var(--navy);text-decoration:none}
a:hover{color:var(--amber)}
.wrap{max-width:1120px;margin:0 auto;padding:0 20px}
header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.97);
border-bottom:1px solid var(--line);backdrop-filter:blur(8px)}
.nav{display:flex;align-items:center;justify-content:space-between;
height:64px;gap:16px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;
letter-spacing:.08em;font-size:19px;color:var(--navy)}
.brand small{display:block;font-size:9px;font-weight:600;letter-spacing:.22em;
color:var(--amber);margin-top:-3px}
.nav ul{display:flex;gap:26px;list-style:none;font-size:15px;font-weight:600}
.nav ul a{color:var(--grey)}
.nav ul a.on,.nav ul a:hover{color:var(--navy)}
.btn{display:inline-flex;align-items:center;gap:8px;padding:11px 20px;
border-radius:6px;font-weight:700;font-size:15px;border:1.5px solid transparent;
transition:.15s}
.btn-amber{background:var(--amber);color:#fff}
.btn-amber:hover{background:#a9761f;color:#fff}
.btn-line{border-color:var(--line);color:var(--navy)}
.btn-line:hover{border-color:var(--navy)}
.btn-wa{background:#25D366;color:#fff}
.btn-wa:hover{background:#1eb959;color:#fff}
.hero{background:var(--navy);color:#fff;padding:72px 0 64px}
.hero h1{font-size:clamp(30px,5vw,50px);line-height:1.12;font-weight:800;
letter-spacing:-.5px;margin-bottom:18px}
.hero p{font-size:clamp(16px,2vw,19px);color:#C9D0D8;max-width:720px}
.hero .accent{width:64px;height:3px;background:var(--amber);margin-bottom:26px}
.kick{font-size:12px;font-weight:800;letter-spacing:.18em;color:var(--amber);
text-transform:uppercase;margin-bottom:14px}
section{padding:64px 0}
section.alt{background:var(--light)}
h2{font-size:clamp(24px,3.4vw,34px);line-height:1.2;font-weight:800;
letter-spacing:-.3px;margin-bottom:12px}
.lead{color:var(--grey);font-size:17px;max-width:760px;margin-bottom:36px}
.grid{display:grid;gap:20px}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:10px;
padding:24px;transition:.18s}
.card:hover{border-color:var(--navy);box-shadow:0 8px 24px rgba(15,42,68,.08)}
.card h3{font-size:18px;margin-bottom:8px;font-weight:700}
.card p{color:var(--grey);font-size:15px}
.split{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.split a{display:block;border-radius:12px;overflow:hidden;
border:1px solid var(--line);background:#fff;transition:.18s}
.split a:hover{box-shadow:0 12px 32px rgba(15,42,68,.12);border-color:var(--navy)}
.split .ph{aspect-ratio:16/9;background:var(--navy) center/cover no-repeat}
.split .tx{padding:26px}
.split h3{font-size:22px;margin-bottom:6px}
.split .go{margin-top:16px;font-weight:700;color:var(--amber);font-size:15px}
table{width:100%;border-collapse:collapse;font-size:14.5px}
.tw{overflow-x:auto;border:1px solid var(--line);border-radius:10px;background:#fff}
th,td{padding:11px 14px;text-align:left;border-bottom:1px solid var(--line);
white-space:nowrap}
th{background:var(--navy);color:#fff;font-weight:700;font-size:13px;
letter-spacing:.03em}
tr:last-child td{border-bottom:none}
tbody tr:nth-child(even){background:#FAFCFD}
.num{font-variant-numeric:tabular-nums}
.mcard{border:1px solid var(--line);border-radius:10px;overflow:hidden;
background:#fff}
.mcard img{aspect-ratio:3/2;object-fit:cover;width:100%}
.mcard .b{padding:16px 18px}
.mcard h3{font-size:17px;margin-bottom:10px}
.mcard dl{display:grid;grid-template-columns:auto 1fr;gap:3px 10px;font-size:13.5px}
.mcard dt{color:var(--grey)}
.mcard dd{font-weight:600;text-align:right}
.note{background:#FFF2CC;border:1px solid #E8D18A;border-radius:8px;
padding:18px 20px;font-size:14.5px;color:#6b4a00}
.note strong{color:#5a3d00}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.step{border-left:3px solid var(--amber);padding-left:18px}
.step b{display:block;font-size:12px;letter-spacing:.14em;color:var(--amber);
margin-bottom:6px}
.cta{background:var(--navy);color:#fff;padding:56px 0;text-align:center}
.cta h2{color:#fff}
.cta p{color:#C9D0D8;max-width:620px;margin:0 auto 26px}
.cta .row{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
footer{background:#0B1F33;color:#93A2B4;padding:52px 0 28px;font-size:14px}
footer a{color:#C9D0D8}
.fgrid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:32px;
margin-bottom:36px}
footer h4{color:#fff;font-size:13px;letter-spacing:.12em;margin-bottom:12px;
text-transform:uppercase}
footer ul{list-style:none;display:grid;gap:8px}
.copy{border-top:1px solid #1E3550;padding-top:22px;color:#6B7C90;
font-size:13px;display:flex;justify-content:space-between;gap:16px;
flex-wrap:wrap}
.wag{position:fixed;right:18px;bottom:18px;z-index:60;display:flex;
flex-direction:column;gap:9px;align-items:flex-end}
.wap{display:inline-flex;align-items:center;padding:11px 18px;
border-radius:40px;font-weight:700;font-size:14px;color:#fff;
box-shadow:0 6px 20px rgba(0,0,0,.22);white-space:nowrap}
.wp-t{background:#25D366}
.wp-g{background:#128C7E}
.wap:hover{color:#fff;filter:brightness(1.07)}
@media(max-width:860px){
.nav ul{display:none}
.g3,.g4,.split,.steps,.fgrid{grid-template-columns:1fr}
.hero{padding:52px 0 46px}
section{padding:46px 0}
.wag{right:12px;bottom:12px}
.wap{padding:9px 14px;font-size:13px}
}

/* ---------- 动效 ---------- */
.js .reveal{opacity:0;transform:translateY(22px);
transition:opacity .75s cubic-bezier(.22,.61,.36,1),
transform .75s cubic-bezier(.22,.61,.36,1)}
.js .reveal.in{opacity:1;transform:none}
.card,.mcard,.split a,.step{transition:transform .3s ease,box-shadow .3s ease,
border-color .3s ease}
.card:hover{transform:translateY(-4px)}
.mcard img{transition:transform .55s cubic-bezier(.22,.61,.36,1)}
.mcard:hover img{transform:scale(1.06)}
.split a .ph{transition:transform .6s cubic-bezier(.22,.61,.36,1)}
.split a:hover .ph{transform:scale(1.04)}
.btn{transition:background .2s,color .2s,border-color .2s,transform .2s}
.btn:hover{transform:translateY(-1px)}
.hero{position:relative;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;
background-image:radial-gradient(rgba(255,255,255,.06) 1px,transparent 1px);
background-size:22px 22px;pointer-events:none}
.hero .wrap{position:relative}
.hero h1,.hero p{animation:up .85s cubic-bezier(.22,.61,.36,1) both}
.hero h1{animation-delay:.06s}
.hero p{animation-delay:.16s}
@keyframes up{from{opacity:0;transform:translateY(18px)}to{opacity:1;transform:none}}
.stats{background:var(--navy);color:#fff;padding:46px 0}
.stats .grid{text-align:center}
.stat b{display:block;font-size:clamp(30px,4.2vw,46px);font-weight:800;
color:var(--amber);line-height:1;font-variant-numeric:tabular-nums}
.stat span{display:block;font-size:12.5px;color:#9FACBA;margin-top:9px;
letter-spacing:.06em;text-transform:uppercase}
@media(prefers-reduced-motion:reduce){
*{animation:none!important;transition:none!important}
.js .reveal{opacity:1;transform:none}}