:root{
  --navy:#0B1B2E; --navy2:#12283F; --navy3:#1B3A5C;
  --gold:#C9A227; --gold-l:#E8C458; --gold-soft:#FBF4DE;
  --ink:#10161F; --sub:#5F6B7A; --line:#E7EBF0;
  --bg:#fff; --soft:#F7F9FC; --radius:16px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;color:var(--ink);background:var(--bg);
  font-family:"PingFang SC","Noto Sans CJK SC","Hiragino Sans GB",-apple-system,sans-serif;
  font-size:16px;line-height:1.7;-webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.wrap{max-width:1160px;margin:0 auto;padding:0 28px}
.narrow{max-width:820px}

/* ---------- 顶栏 ---------- */
.nav{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.88);
  backdrop-filter:saturate(180%) blur(14px);border-bottom:1px solid var(--line)}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;height:68px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;color:var(--navy);font-size:16px;letter-spacing:.01em}
.brand .dot{width:9px;height:9px;border-radius:50%;background:var(--gold);box-shadow:0 0 0 3px rgba(201,162,39,.16)}
.brand small{font-weight:500;color:var(--sub);font-size:11px;letter-spacing:.14em;margin-left:2px}
.nav .links{display:flex;gap:28px;font-size:14px;color:var(--sub)}
.nav .links a:hover{color:var(--navy)}
.nav .act{display:flex;align-items:center;gap:14px}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:50px;padding:0 30px;border-radius:10px;border:1px solid transparent;
  background:var(--navy);color:#fff;font-size:15.5px;font-weight:600;cursor:pointer;
  transition:transform .16s ease, box-shadow .16s ease, background .16s ease}
.btn:hover{transform:translateY(-1px);box-shadow:0 8px 24px rgba(11,27,46,.18)}
.btn.gold{background:linear-gradient(135deg,var(--gold-l),var(--gold));color:#2B2200;
  box-shadow:0 6px 20px rgba(201,162,39,.28)}
.btn.gold:hover{box-shadow:0 10px 30px rgba(201,162,39,.38)}
.btn.ghost{background:transparent;color:var(--navy);border-color:rgba(11,27,46,.18)}
.btn.ghost:hover{background:rgba(11,27,46,.04);box-shadow:none}
.btn.sm{height:40px;padding:0 20px;font-size:14px;border-radius:8px}
.btn[disabled]{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none}

/* ---------- 首屏 ---------- */
.hero{position:relative;background:var(--navy);color:#fff;overflow:hidden;
  padding:96px 0 0}
.hero::before{content:"";position:absolute;inset:-30% 20% auto -10%;height:760px;
  background:radial-gradient(closest-side,rgba(201,162,39,.22),transparent 70%);pointer-events:none}
.hero::after{content:"";position:absolute;inset:auto -20% -40% 40%;height:700px;
  background:radial-gradient(closest-side,rgba(59,130,246,.16),transparent 70%);pointer-events:none}
.hero .wrap{position:relative;z-index:2}
.kicker{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;letter-spacing:.12em;
  color:var(--gold-l);background:rgba(201,162,39,.12);border:1px solid rgba(201,162,39,.28);
  padding:7px 14px;border-radius:999px;margin-bottom:26px}
.kicker i{width:6px;height:6px;border-radius:50%;background:var(--gold-l);display:block}
.hero h1{font-size:56px;line-height:1.18;margin:0 0 22px;letter-spacing:-.02em;font-weight:700}
.hero h1 em{font-style:normal;background:linear-gradient(135deg,var(--gold-l),var(--gold));
  -webkit-background-clip:text;background-clip:text;color:transparent}
.hero .lead{font-size:18.5px;line-height:1.8;color:#B9C6D6;max-width:640px;margin:0 0 36px}
.hero .cta{display:flex;gap:14px;align-items:center;flex-wrap:wrap;margin-bottom:20px}
.hero .btn.ghost{color:#DCE5EF;border-color:rgba(255,255,255,.22)}
.hero .btn.ghost:hover{background:rgba(255,255,255,.06)}
.hero .note{font-size:13.5px;color:#8496AA}
.hero .shot{position:relative;margin-top:58px;border-radius:14px 14px 0 0;overflow:hidden;
  box-shadow:0 -30px 80px rgba(0,0,0,.5),0 0 0 1px rgba(255,255,255,.08)}
.hero .shot img{width:100%}

/* ---------- 信任条 ---------- */
.trustbar{background:#fff;border-bottom:1px solid var(--line)}
.trustbar .wrap{display:flex;gap:40px;justify-content:center;padding:22px 0;flex-wrap:wrap}
.trustbar span{font-size:13.5px;color:var(--sub);display:flex;align-items:center;gap:8px}
.trustbar span::before{content:"✓";color:var(--gold);font-weight:700}

/* ---------- 区块 ---------- */
section{padding:96px 0}
section.soft{background:var(--soft)}
section.dark{background:var(--navy);color:#fff}
section.dark .sec-sub{color:#A9B8CA}
.eyebrow{font-size:12.5px;letter-spacing:.16em;color:var(--gold);font-weight:700;margin-bottom:14px}
h2.sec{font-size:38px;line-height:1.32;margin:0 0 16px;letter-spacing:-.02em;color:var(--navy)}
section.dark h2.sec{color:#fff}
p.sec-sub{font-size:17px;color:var(--sub);margin:0 0 52px;max-width:700px;line-height:1.8}

/* ---------- 痛点 ---------- */
.pains{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.pain{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px 28px;
  transition:box-shadow .18s ease, transform .18s ease}
.pain:hover{box-shadow:0 16px 40px rgba(11,27,46,.07);transform:translateY(-2px)}
.pain .num{font-size:12px;letter-spacing:.14em;color:var(--gold);font-weight:700;margin-bottom:12px}
.pain h3{margin:0 0 10px;font-size:19px;color:var(--navy);letter-spacing:-.01em}
.pain p{margin:0;color:var(--sub);font-size:15px;line-height:1.8}

/* ---------- 能力网格 ---------- */
.caps{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.cap{background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.10);
  border-radius:var(--radius);padding:28px 26px}
.cap h3{margin:0 0 10px;font-size:18px;color:#fff}
.cap p{margin:0;font-size:14.5px;line-height:1.8;color:#9FB0C4}
.cap .ico{width:38px;height:38px;border-radius:10px;display:flex;align-items:center;justify-content:center;
  background:rgba(201,162,39,.14);color:var(--gold-l);font-size:17px;margin-bottom:16px}

/* ---------- 图文交替 ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}
.split.rev .txt{order:2}
.split .txt h3{font-size:30px;line-height:1.35;margin:0 0 16px;color:var(--navy);letter-spacing:-.02em}
.split .txt p{color:var(--sub);font-size:16px;line-height:1.85;margin:0 0 18px}
.split ul{margin:0;padding:0;list-style:none}
.split li{position:relative;padding-left:26px;margin-bottom:12px;color:var(--ink);font-size:15px}
.split li::before{content:"—";position:absolute;left:0;color:var(--gold);font-weight:700}
.split .pic{border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);
  box-shadow:0 24px 60px rgba(11,27,46,.10)}

/* ---------- 数字条 ---------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);
  border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.stat{background:#fff;padding:34px 26px;text-align:center}
.stat b{display:block;font-size:34px;color:var(--navy);letter-spacing:-.02em;line-height:1.1}
.stat span{display:block;margin-top:8px;font-size:13.5px;color:var(--sub)}

/* ---------- 定价 ---------- */
.plans{display:grid;grid-template-columns:1fr 1fr;gap:24px;max-width:900px;margin:0 auto}
.plan{background:#fff;border:1px solid var(--line);border-radius:20px;padding:38px 34px;position:relative;
  transition:box-shadow .18s ease, transform .18s ease}
.plan:hover{box-shadow:0 20px 50px rgba(11,27,46,.09);transform:translateY(-2px)}
.plan.hot{border:2px solid var(--gold);box-shadow:0 20px 60px rgba(201,162,39,.16)}
.plan .tag{position:absolute;top:-13px;left:34px;background:var(--gold);color:#2B2200;
  font-size:12px;font-weight:700;padding:5px 12px;border-radius:999px;letter-spacing:.05em}
.plan h3{margin:0 0 6px;font-size:19px;color:var(--navy)}
.plan .dev{font-size:13.5px;color:var(--sub);margin-bottom:22px}
.plan .amt{font-size:46px;font-weight:700;color:var(--navy);line-height:1;letter-spacing:-.02em}
.plan .amt small{font-size:15px;font-weight:400;color:var(--sub);margin-left:6px;letter-spacing:0}
.plan ul{list-style:none;padding:0;margin:26px 0 30px}
.plan li{padding:9px 0 9px 26px;position:relative;font-size:14.5px;border-bottom:1px dashed var(--line)}
.plan li:last-child{border-bottom:0}
.plan li::before{content:"✓";position:absolute;left:0;color:var(--gold);font-weight:700}
.plan .btn{width:100%}

/* ---------- FAQ ---------- */
.faq{max-width:820px;margin:0 auto}
.faq details{border-bottom:1px solid var(--line);padding:22px 0}
.faq summary{cursor:pointer;font-size:17px;font-weight:600;color:var(--navy);list-style:none;
  display:flex;justify-content:space-between;align-items:center;gap:20px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--gold);font-size:22px;font-weight:400;transition:transform .2s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq p{margin:14px 0 0;color:var(--sub);font-size:15px;line-height:1.85}

/* ---------- 结尾 CTA ---------- */
.final{background:var(--navy);color:#fff;text-align:center;padding:90px 0}
.final h2{font-size:36px;margin:0 0 16px;letter-spacing:-.02em}
.final p{color:#A9B8CA;margin:0 0 34px;font-size:16.5px}

/* ---------- 页脚 ---------- */
footer{background:#08131F;color:#7F8EA0;font-size:13px;padding:46px 0}
footer .wrap{display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap;line-height:2}
footer a:hover{color:#fff}

/* ---------- 表单页 ---------- */
.form{max-width:520px;margin:0 auto}
.field{margin-bottom:20px}
.field label{display:block;font-size:14px;color:var(--sub);margin-bottom:9px;font-weight:500}
.field input[type=text]{width:100%;height:54px;border:1px solid var(--line);border-radius:12px;
  padding:0 18px;font-size:16px;outline:none;transition:.15s;background:#fff}
.field input:focus{border-color:var(--navy);box-shadow:0 0 0 4px rgba(11,27,46,.07)}
.agree{display:flex;gap:10px;align-items:flex-start;font-size:13.5px;color:var(--sub);margin:8px 0 24px}
.agree input{margin-top:4px}
.err{color:#B42318;font-size:13.5px;min-height:22px;margin-bottom:6px}

/* 套餐选择 */
.pick{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-bottom:24px}
.pick label{border:1.5px solid var(--line);border-radius:14px;padding:20px 18px;cursor:pointer;
  transition:.15s;position:relative;background:#fff}
.pick label:hover{border-color:#C9D4E0}
.pick input{position:absolute;opacity:0}
.pick input:checked + .p{border-color:var(--gold)}
.pick .p{display:block}
.pick .p b{display:block;font-size:16px;color:var(--navy);margin-bottom:4px}
.pick .p span{font-size:13px;color:var(--sub)}
.pick .p em{display:block;margin-top:10px;font-style:normal;font-size:22px;font-weight:700;color:var(--navy)}
.pick .badge{position:absolute;top:-10px;right:14px;background:var(--gold);color:#2B2200;
  font-size:11px;font-weight:700;padding:3px 10px;border-radius:999px}

/* 成功页 */
.result{max-width:640px;margin:0 auto;text-align:center}
.ok-badge{width:66px;height:66px;border-radius:50%;background:#EAF6EE;color:#1F6B3A;
  display:flex;align-items:center;justify-content:center;font-size:30px;margin:0 auto 24px}
.license{font-family:ui-monospace,Menlo,monospace;font-size:23px;letter-spacing:.06em;
  background:var(--soft);border:1px solid var(--line);border-radius:14px;padding:20px;margin:18px 0;
  color:var(--navy);word-break:break-all}
.muted{color:var(--sub);font-size:13.5px}

/* 表格 */
table{width:100%;border-collapse:collapse;font-size:13.5px}
th{background:var(--navy);color:#fff;text-align:left;padding:11px 13px;font-weight:600}
td{padding:11px 13px;border-bottom:1px solid var(--line)}
tr:nth-child(even) td{background:#FAFBFC}

@media(max-width:960px){
  .hero h1{font-size:40px}
  .caps,.pains,.split,.plans,.pick{grid-template-columns:1fr}
  .split{gap:32px}
  .stats{grid-template-columns:1fr 1fr}
  .nav .links{display:none}
  section{padding:64px 0}
  h2.sec{font-size:30px}
}
@media(max-width:600px){
  .hero{padding-top:64px}
  .hero h1{font-size:32px}
  .hero .lead{font-size:16px}
  .stats{grid-template-columns:1fr}
  .wrap{padding:0 20px}
}

/* ===================== 企业级导航 & 页脚 ===================== */
.topbar{background:#08131F;color:#8FA0B2;font-size:12.5px;letter-spacing:.02em}
.topbar .wrap{display:flex;justify-content:space-between;align-items:center;height:36px}
.topbar a{color:#8FA0B2}
.topbar a:hover{color:#fff}
.topbar .tb-right{display:flex;gap:22px;align-items:center}
.topbar .dot-sep{opacity:.35}

.nav{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);
  backdrop-filter:saturate(180%) blur(14px);border-bottom:1px solid var(--line)}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;height:76px}

.brand{display:flex;align-items:center;gap:12px;text-decoration:none}
.brand .logo{width:38px;height:38px;display:block;flex:none}
.brand .logo svg{width:100%;height:100%;display:block}
.brand .wm{display:flex;flex-direction:column;line-height:1.05;
  font-size:17.5px;font-weight:700;color:var(--navy);letter-spacing:.02em}
.brand .wm em{font-style:normal;font-size:10.5px;font-weight:500;color:var(--sub);
  letter-spacing:.20em;margin-top:4px}

.nav .links{display:flex;gap:34px;font-size:14.5px;color:#43546A}
.nav .links a{position:relative;padding:4px 0}
.nav .links a:hover{color:var(--navy)}
.nav .links a::after{content:"";position:absolute;left:0;right:100%;bottom:-2px;height:2px;
  background:var(--gold);transition:right .2s ease}
.nav .links a:hover::after{right:0}

/* 分栏页脚 */
footer.site{background:#08131F;color:#7F8EA0;font-size:13.5px;padding:0}
footer.site .cols{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr 1fr;gap:40px;
  padding:60px 0 44px}
footer.site h4{color:#fff;font-size:13.5px;margin:0 0 16px;letter-spacing:.04em;font-weight:600}
footer.site ul{list-style:none;margin:0;padding:0}
footer.site li{margin-bottom:11px}
footer.site a:hover{color:#fff}
footer.site .about{max-width:280px;line-height:1.9}
footer.site .about .brand{color:#fff;margin-bottom:14px}
footer.site .about .brand .wm{color:#fff}
footer.site .about .brand .wm em{color:#7F8EA0}
footer.site .bar{border-top:1px solid rgba(255,255,255,.08);padding:22px 0;
  display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;font-size:12.5px}

@media(max-width:960px){
  footer.site .cols{grid-template-columns:1fr 1fr;gap:32px;padding:44px 0 30px}
  .topbar .tb-right{display:none}
}