:root{--navy:#062a45;--navy2:#0b3c5d;--brand:#0d5c8c;--cyan:#12a5d6;--cyan-l:#38bdf8;
--gold:#e8a33d;--ink:#12293f;--gray:#5b7186;--line:#dbe7f0;--light:#f2f8fc;--white:#fff;
--shadow:0 10px 30px rgba(6,42,69,.08);--shadow-lg:0 18px 46px rgba(6,42,69,.16)}
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;
color:var(--ink);background:var(--white);line-height:1.75;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.container{width:min(1180px,92%);margin:0 auto}
/* 顶部 */
.hd{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.96);backdrop-filter:blur(10px);
border-bottom:1px solid var(--line)}
.hd-in{display:flex;align-items:center;justify-content:space-between;height:68px;gap:18px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;color:var(--navy);font-size:17px}
.logo i{width:32px;height:32px;border-radius:9px;background:linear-gradient(135deg,var(--navy2),var(--cyan));
color:#fff;display:grid;place-items:center;font-style:normal;font-size:16px}
.logo small{display:block;font-size:10px;color:var(--gray);font-weight:600;letter-spacing:1.4px}
.nav{display:flex;align-items:center;gap:6px;flex-wrap:wrap}
.nav a{padding:8px 13px;border-radius:9px;font-size:14px;color:var(--ink);font-weight:600}
.nav a:hover{background:var(--light);color:var(--brand)}
.nav a.on{background:var(--navy);color:#fff}
.nav a.cta{background:var(--gold);color:#fff}
.nav a.cta:hover{background:#f0b45c;color:#fff}
/* Hero */
.hero{position:relative;overflow:hidden;color:#fff;
background:radial-gradient(1200px 500px at 80% -10%,rgba(18,165,214,.42),transparent 60%),linear-gradient(150deg,#052033,#0b3c5d 60%,#0d5c8c)}
.hero::after{content:"";position:absolute;width:520px;height:520px;right:-160px;bottom:-260px;border-radius:50%;
border:2px solid rgba(56,189,248,.22)}
.hero-in{display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center;padding:56px 0 52px;position:relative;z-index:2}
.hero .badge{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;
background:rgba(56,189,248,.14);border:1px solid rgba(56,189,248,.36);font-size:12.5px;color:#cfe9fb;font-weight:700}
.hero h1{font-size:42px;line-height:1.24;margin:16px 0 12px;font-weight:800;letter-spacing:.5px}
.hero h1 em{font-style:normal;color:var(--cyan-l)}
.hero .lead{color:rgba(255,255,255,.86);font-size:15px;line-height:2;max-width:560px}
.hero .src{margin-top:12px;font-size:12.5px;color:rgba(255,255,255,.6)}
.kpis{display:grid;grid-template-columns:repeat(5,1fr);gap:10px;margin:24px 0 26px}
.kpi{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);border-radius:13px;padding:12px 10px;text-align:center}
.kpi b{display:block;font-size:23px;font-weight:800;color:var(--cyan-l);letter-spacing:.5px}
.kpi b em{font-size:12px;font-style:normal;margin-left:2px}
.kpi span{font-size:11.5px;color:rgba(255,255,255,.78)}
.hero-shot{border-radius:16px;overflow:hidden;border:1px solid rgba(255,255,255,.2);box-shadow:0 24px 60px rgba(0,0,0,.42)}
.hero-cta{display:flex;gap:12px;flex-wrap:wrap;align-items:center}
.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 26px;border-radius:11px;font-weight:700;font-size:14.5px;
cursor:pointer;border:1px solid transparent;transition:.2s}
.btn-gold{background:var(--gold);color:#fff}.btn-gold:hover{background:#f0b45c}
.btn-line{border-color:rgba(255,255,255,.5);color:#fff}.btn-line:hover{background:rgba(255,255,255,.12)}
.btn-brand{background:var(--brand);color:#fff}.btn-brand:hover{background:#0a4d76}
.btn-ghost{border-color:var(--line);background:#fff;color:var(--brand)}.btn-ghost:hover{border-color:var(--brand)}
.btn-sm{padding:9px 18px;font-size:13.5px}
/* 区块 */
.sec{padding:62px 0}
.sec.light{background:var(--light)}
.sec.navy{background:linear-gradient(150deg,#062a45,#0b3c5d);color:#fff}
.sec-head{max-width:840px;margin-bottom:30px}
.sec-tag{display:inline-block;font-size:12px;font-weight:800;letter-spacing:2.4px;color:var(--cyan)}
.sec-head h2{font-size:29px;color:var(--navy);margin:8px 0 10px;line-height:1.35}
.sec.navy .sec-head h2{color:#fff}
.sec-head p{color:var(--gray);font-size:14.5px}
.sec.navy .sec-head p{color:rgba(255,255,255,.82)}
.grid{display:grid;gap:18px}
.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:15px;padding:22px 22px 20px;box-shadow:var(--shadow);transition:.2s}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg);border-color:#c7dded}
.card h3{font-size:17px;color:var(--navy);margin-bottom:8px}
.card p{color:var(--gray);font-size:13.5px}
.card .num-tag{display:inline-block;font-size:11.5px;font-weight:800;color:var(--cyan);letter-spacing:1px;margin-bottom:6px}
.sec.navy .card{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.16);box-shadow:none}
.sec.navy .card h3{color:#fff}.sec.navy .card p{color:rgba(255,255,255,.8)}
.tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.tag{padding:5px 12px;border-radius:999px;background:var(--light);border:1px solid var(--line);font-size:12px;color:var(--brand);font-weight:600}
.sec.navy .tag{background:rgba(255,255,255,.09);border-color:rgba(255,255,255,.2);color:#d6ebfa}
/* 时间轴 */
.tl{position:relative;padding-left:26px;margin-top:8px}
.tl::before{content:"";position:absolute;left:7px;top:6px;bottom:6px;width:2px;background:linear-gradient(var(--cyan),rgba(18,165,214,.15))}
.tl-item{position:relative;padding:0 0 22px}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{content:"";position:absolute;left:-24px;top:6px;width:14px;height:14px;border-radius:50%;
background:#fff;border:3px solid var(--cyan)}
.tl-item b{display:block;color:var(--cyan);font-size:13px;letter-spacing:.5px}
.tl-item h4{font-size:15.5px;color:var(--navy);margin:3px 0 4px}
.tl-item p{color:var(--gray);font-size:13.5px}
/* 表格 */
.tb{width:100%;border-collapse:collapse;background:#fff;border-radius:14px;overflow:hidden;box-shadow:var(--shadow);font-size:13.5px}
.tb th,.tb td{padding:12px 16px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
.tb thead th{background:var(--navy);color:#fff;font-size:13px;font-weight:700;letter-spacing:.5px}
.tb tbody tr:nth-child(even){background:#fafdff}
.tb tbody tr:last-child td{border-bottom:none}
.tb td b{color:var(--navy)}
.tb td .cnt{display:inline-block;padding:2px 9px;border-radius:999px;background:rgba(18,165,214,.12);
color:#0b6f97;font-weight:800;font-size:12px;white-space:nowrap}
/* 图片 */
.shot{border-radius:14px;overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow);background:#04202f}
.shot figcaption{padding:10px 14px;font-size:12.5px;color:var(--gray);background:#fff;border-top:1px solid var(--line)}
/* 步骤 */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.step{background:#fff;border:1px solid var(--line);border-radius:14px;padding:20px 18px;box-shadow:var(--shadow);position:relative}
.step .no{font-size:12px;font-weight:800;color:var(--cyan);letter-spacing:1.6px}
.step h4{font-size:16.5px;color:var(--navy);margin:6px 0 6px}
.step p{font-size:13.5px;color:var(--gray)}
/* CTA */
.cta{background:linear-gradient(120deg,#0b3c5d,#0d5c8c);border-radius:18px;padding:34px;color:#fff;
display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap;box-shadow:var(--shadow-lg)}
.cta h3{font-size:23px;margin-bottom:6px}
.cta p{color:rgba(255,255,255,.84);font-size:14px}
.note{font-size:12.5px;color:var(--gray);margin-top:14px;line-height:1.9}
/* 页脚 */
.ft{background:var(--navy);color:rgba(255,255,255,.82);padding:38px 0 26px;font-size:13.5px}
.ft-in{display:flex;justify-content:space-between;gap:26px;flex-wrap:wrap}
.ft b{color:#fff;font-size:15px}
.ft a{color:var(--cyan-l)}
.ft .cp{margin-top:22px;padding-top:16px;border-top:1px solid rgba(255,255,255,.14);font-size:12.5px;color:rgba(255,255,255,.55)}
/* 子页头 */
.phero{background:linear-gradient(150deg,#062a45,#0d5c8c);color:#fff;padding:46px 0}
.phero h1{font-size:33px;margin-bottom:10px}
.phero p{color:rgba(255,255,255,.85);font-size:14.5px;max-width:860px}
.crumb{font-size:12.5px;color:rgba(255,255,255,.65);margin-bottom:12px}
.crumb a:hover{color:#fff}
.top{position:fixed;right:22px;bottom:26px;width:44px;height:44px;border-radius:50%;background:var(--brand);color:#fff;
display:grid;place-items:center;box-shadow:var(--shadow-lg);opacity:0;pointer-events:none;transition:.25s;z-index:70}
.top.on{opacity:1;pointer-events:auto}
@media(max-width:992px){
.hero-in{grid-template-columns:1fr;gap:26px;padding:38px 0}
.hero h1{font-size:31px}
.kpis{grid-template-columns:repeat(3,1fr)}
.g2,.g3,.g4,.steps{grid-template-columns:1fr 1fr}
.nav{display:none}
}
@media(max-width:600px){
.kpis{grid-template-columns:repeat(2,1fr)}
.g2,.g3,.g4,.steps{grid-template-columns:1fr}
.sec{padding:44px 0}.hero h1{font-size:26px}.sec-head h2{font-size:23px}
.tb{font-size:12.5px}.tb th,.tb td{padding:10px 11px}
}