/* 极站 / 跨境极站 · AI 建站服务官网
   设计系统：深墨蓝底 Hero + 品牌红橙强调 + 科技蓝辅色，全站居中排版 */
:root{
  --brand:#ee3b2f;
  --brand-2:#ffab2e;
  --blue:#1a6bff;
  --blue-deep:#0b47d6;
  --cyan:#37c2ff;
  --violet:#7a4bff;
  --ink:#0b1830;
  --ink-2:#15294b;
  --muted:#5d7192;
  --line:rgba(19,70,160,.12);
  --bg:#f5f9ff;
  --card:#ffffff;
  --night:#071631;
  --night-2:#0d2554;
  --shadow:0 18px 46px rgba(16,62,150,.09),0 2px 8px rgba(16,62,150,.04);
  --shadow-lg:0 30px 70px rgba(16,62,150,.16);
  --r:20px;
  --max:1180px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
[id]{scroll-margin-top:104px}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font:15px/1.8 "PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",sans-serif;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;text-align:center;
}
body::before{
  content:"";position:fixed;inset:0;z-index:-2;pointer-events:none;
  background:
    radial-gradient(760px 520px at 88% 4%,rgba(76,158,255,.16),transparent 68%),
    radial-gradient(680px 480px at 2% 28%,rgba(122,75,255,.09),transparent 70%),
    radial-gradient(720px 520px at 60% 94%,rgba(55,194,255,.11),transparent 70%),
    linear-gradient(180deg,#f8fbff 0%,#eef6ff 54%,#f9fcff 100%);
}
body::after{
  content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;opacity:.5;
  background-image:linear-gradient(rgba(26,107,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(26,107,255,.04) 1px,transparent 1px);
  background-size:64px 64px;mask-image:linear-gradient(180deg,rgba(0,0,0,.7),transparent 76%);
}
img{max-width:100%;display:block;margin-inline:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
h1,h2,h3,h4,p,ul,figure{margin:0}
ul{padding:0;list-style:none}
table{border-collapse:collapse}
::selection{background:rgba(26,107,255,.2);color:var(--blue-deep)}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 26px}
.center{text-align:center}

/* ---------- 顶部信息条 ---------- */
.topbar{
  background:linear-gradient(100deg,#0b47d6 0%,#4c5bff 48%,#ee3b2f 100%);
  color:#fff;font-size:12.5px;letter-spacing:.02em;position:relative;
}
.topbar .container{display:flex;align-items:center;justify-content:center;gap:14px;min-height:34px;flex-wrap:wrap}
.topbar .dot{width:6px;height:6px;border-radius:50%;background:#ffd76a;box-shadow:0 0 0 4px rgba(255,215,106,.22)}
.topbar a{color:#fff;border-bottom:1px solid rgba(255,255,255,.55);padding:0 2px}
.topbar .lang{margin-left:6px;border:1px solid rgba(255,255,255,.5);border-radius:99px;padding:1px 10px;font-size:12px}
.topbar .topbar-short{display:none}

/* ---------- 导航 ---------- */
.nav{
  position:sticky;top:0;z-index:60;background:rgba(255,255,255,.9);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
}
.nav .container{display:flex;align-items:center;gap:18px;min-height:68px}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.brand img{width:34px;height:34px;object-fit:contain}
.brand strong{font-size:20px;letter-spacing:.06em;color:var(--ink);font-weight:800}
.nav-menu{display:flex;align-items:center;justify-content:center;gap:4px;flex:1 1 auto;flex-wrap:wrap}
.nav-menu a{
  padding:8px 13px;border-radius:10px;font-size:14px;color:var(--ink-2);
  transition:background .2s,color .2s;white-space:nowrap;
}
.nav-menu a:hover{background:rgba(26,107,255,.08);color:var(--blue-deep)}
.nav-menu a[aria-current="page"]{color:var(--blue-deep);background:rgba(26,107,255,.1);font-weight:700}
.nav-right{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.lang-switch{
  display:inline-flex;align-items:center;gap:5px;border:1px solid var(--line);
  border-radius:99px;padding:6px 13px;font-size:13px;font-weight:700;color:var(--ink-2);background:#fff;
}
.lang-switch:hover{border-color:var(--blue);color:var(--blue-deep)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:12px;padding:11px 22px;font-size:14.5px;font-weight:700;
  transition:transform .2s,box-shadow .2s,background .2s;white-space:nowrap;
}
.btn:hover{transform:translateY(-2px)}
.btn-primary{
  color:#fff;background:linear-gradient(100deg,var(--brand) 0%,#ff6a2b 100%);
  box-shadow:0 10px 24px rgba(238,59,47,.24);
}
.btn-primary:hover{box-shadow:0 14px 30px rgba(238,59,47,.32)}
.btn-blue{color:#fff;background:linear-gradient(100deg,var(--blue-deep),var(--blue));box-shadow:0 10px 24px rgba(26,107,255,.24)}
.btn-ghost{color:var(--ink);background:#fff;border:1px solid var(--line);box-shadow:var(--shadow)}
.btn-light{color:var(--ink);background:#fff}
.btn-lg{padding:14px 28px;font-size:15.5px;border-radius:14px}
.btn-sm{padding:8px 16px;font-size:13.5px}
.menu-btn{display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:12px;background:#fff;align-items:center;justify-content:center;flex-direction:column;gap:5px}
.menu-btn i{width:19px;height:2px;background:var(--ink);border-radius:2px;display:block}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;color:#fff;padding:78px 0 92px;
  background:
    radial-gradient(900px 500px at 50% -10%,rgba(26,107,255,.55),transparent 70%),
    radial-gradient(680px 420px at 92% 40%,rgba(238,59,47,.22),transparent 70%),
    radial-gradient(620px 400px at 6% 66%,rgba(122,75,255,.24),transparent 70%),
    linear-gradient(160deg,#071631 0%,#0d2554 56%,#071a3c 100%);
}
.hero::before{
  content:"";position:absolute;inset:0;opacity:.35;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.06) 1px,transparent 1px);
  background-size:56px 56px;mask-image:linear-gradient(180deg,#000,transparent 88%);
}
.hero::after{
  content:"";position:absolute;left:50%;bottom:-190px;width:760px;height:380px;transform:translateX(-50%);
  background:radial-gradient(ellipse,rgba(26,107,255,.34),transparent 68%);pointer-events:none;
}
.hero .container{position:relative;z-index:2}
.kicker{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  border:1px solid rgba(255,255,255,.24);background:rgba(255,255,255,.07);
  border-radius:99px;padding:7px 20px;font-size:13px;letter-spacing:.08em;color:#cfe2ff;
}
.kicker .pulse{width:7px;height:7px;border-radius:50%;background:var(--brand-2);box-shadow:0 0 0 5px rgba(255,171,46,.2)}
.hero h1{
  margin:24px auto 20px;max-width:960px;font-size:clamp(32px,5.2vw,58px);line-height:1.28;
  font-weight:800;letter-spacing:-.015em;
}
.hero h1 .hl{background:linear-gradient(100deg,#ff8a5c,#ffd76a);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero h1 .hl2{background:linear-gradient(100deg,#6fd0ff,#a68bff);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero .lead{max-width:820px;margin:0 auto;color:#d3e2fb;font-size:16.5px;line-height:1.9}
.hero .lead strong{color:#fff}
.hero-actions{display:flex;justify-content:center;gap:14px;flex-wrap:wrap;margin:32px 0 30px}
.metrics{
  display:flex;justify-content:center;gap:0;flex-wrap:wrap;margin:0 auto;
  border:1px solid rgba(255,255,255,.16);background:rgba(255,255,255,.06);
  border-radius:18px;max-width:940px;overflow:hidden;
}
.metrics div{flex:1 1 180px;padding:17px 12px;border-right:1px solid rgba(255,255,255,.12)}
.metrics div:last-child{border-right:0}
.metrics b{display:block;font-size:22px;color:#fff;letter-spacing:.01em}
.metrics span{font-size:12.5px;color:#a9c3e8}

/* Hero 结果示意窗 */
.hero-visual{margin:52px auto 0;max-width:820px}
.browser{
  border:1px solid rgba(255,255,255,.2);border-radius:18px;overflow:hidden;
  background:rgba(255,255,255,.09);box-shadow:0 30px 70px rgba(0,0,0,.32);backdrop-filter:blur(10px);
}
.browser-bar{display:flex;align-items:center;justify-content:center;gap:14px;padding:11px 16px;background:rgba(255,255,255,.08);border-bottom:1px solid rgba(255,255,255,.14)}
.browser-bar .dots{display:flex;gap:6px}
.browser-bar .dots i{width:9px;height:9px;border-radius:50%;background:rgba(255,255,255,.35)}
.browser-bar .dots i:first-child{background:#ff6a5c}
.browser-bar .dots i:nth-child(2){background:#ffc14d}
.browser-bar .dots i:nth-child(3){background:#4bd07f}
.browser-bar .url{font-size:12.5px;color:#bcd3f5;letter-spacing:.02em}
.browser-body{padding:22px 20px 24px}
.search-line{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  background:rgba(255,255,255,.95);color:var(--ink);border-radius:99px;
  padding:9px 22px;font-size:13.5px;font-weight:600;margin-bottom:18px;
}
.search-line svg{width:15px;height:15px}
.result-row{
  display:flex;align-items:center;justify-content:center;gap:12px;flex-wrap:wrap;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.13);
  border-radius:12px;padding:11px 16px;margin:9px auto;max-width:620px;font-size:13.5px;
}
.result-row .engine{
  border-radius:7px;padding:3px 10px;font-size:12px;font-weight:800;color:#fff;
  background:linear-gradient(100deg,var(--blue-deep),var(--blue));
}
.result-row:nth-child(3) .engine{background:linear-gradient(100deg,#0d9c6c,#19b955)}
.result-row:nth-child(4) .engine{background:linear-gradient(100deg,var(--violet),#b14bff)}
.result-row b{color:#fff;font-weight:700}
.result-row .tag{color:#8ef0c1;font-size:12px;border:1px solid rgba(142,240,193,.4);border-radius:99px;padding:2px 10px}
.lang-pills{display:flex;justify-content:center;gap:8px;flex-wrap:wrap;margin-top:18px}
.lang-pills span{border:1px solid rgba(255,255,255,.24);border-radius:99px;padding:5px 15px;font-size:12.5px;color:#d8e7ff}

/* ---------- 通用区块 ---------- */
.section{padding:84px 0}
.section.tight{padding:64px 0}
.section-head{max-width:820px;margin:0 auto 46px}
.eyebrow{
  display:inline-block;font-size:12px;font-weight:800;letter-spacing:.16em;color:var(--blue-deep);
  background:rgba(26,107,255,.09);border:1px solid rgba(26,107,255,.16);border-radius:99px;padding:5px 16px;
}
.section h2{font-size:clamp(26px,3.4vw,38px);line-height:1.35;font-weight:800;margin:16px 0 14px;letter-spacing:-.01em}
.section h2 .accent{background:linear-gradient(100deg,var(--brand),#ff8a2b);-webkit-background-clip:text;background-clip:text;color:transparent}
.section-head p{color:var(--muted);font-size:15.5px;max-width:760px;margin:0 auto}
.grid{display:grid;gap:20px}
.g2{grid-template-columns:repeat(2,minmax(0,1fr))}
.g3{grid-template-columns:repeat(3,minmax(0,1fr))}
.g4{grid-template-columns:repeat(4,minmax(0,1fr))}
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r);
  padding:28px 22px;box-shadow:var(--shadow);text-align:center;
  transition:transform .25s,box-shadow .25s,border-color .25s;
}
.card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);border-color:rgba(26,107,255,.28)}
.card .ico{
  width:52px;height:52px;margin:0 auto 16px;border-radius:15px;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(140deg,rgba(26,107,255,.13),rgba(122,75,255,.1));color:var(--blue-deep);
}
.card .ico svg{width:25px;height:25px}
.card .num{font-size:12px;font-weight:800;letter-spacing:.1em;color:var(--brand);margin-bottom:8px}
.card h3{font-size:18px;font-weight:800;margin-bottom:9px}
.card p{color:var(--muted);font-size:14px;line-height:1.75}
.card .desc{font-size:14px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.card ul{margin-top:16px}
.card li{font-size:13.5px;color:var(--ink-2);padding:5px 0}
.card li::before{content:"✓";color:#0d9c6c;font-weight:800;margin-right:7px}
.pill{display:inline-block;border:1px solid var(--line);border-radius:99px;padding:4px 13px;font-size:12.5px;color:var(--muted);background:#fff}
.pill-row{display:flex;justify-content:center;gap:8px;flex-wrap:wrap;margin-top:22px}

/* 深色区块 */
.dark{
  color:#fff;position:relative;overflow:hidden;
  background:
    radial-gradient(760px 440px at 12% 12%,rgba(26,107,255,.42),transparent 70%),
    radial-gradient(680px 420px at 88% 84%,rgba(238,59,47,.28),transparent 70%),
    linear-gradient(150deg,#071631,#102a5e 55%,#091a3c);
}
.dark .eyebrow{color:#ffd76a;background:rgba(255,215,106,.12);border-color:rgba(255,215,106,.3)}
.dark h2,.dark h3,.dark strong{color:#fff}
.dark p,.dark .section-head p{color:#c6d8f5}
.dark .container{position:relative;z-index:2}
.stat-row{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:8px}
.stat{
  border:1px solid rgba(255,255,255,.16);background:rgba(255,255,255,.06);
  border-radius:16px;padding:22px 12px;
}
.stat b{display:block;font-size:30px;font-weight:800;color:#fff;line-height:1.3}
.stat span{font-size:13px;color:#b8cdee}

/* 全球版大卡 */
.global-panel{
  border:1px solid rgba(255,255,255,.2);border-radius:26px;padding:42px 32px;
  background:linear-gradient(150deg,rgba(255,255,255,.1),rgba(255,255,255,.03));
  box-shadow:0 28px 70px rgba(0,0,0,.25);max-width:980px;margin:0 auto;
}
.global-panel .price{font-size:clamp(42px,6vw,68px);font-weight:800;line-height:1.1;background:linear-gradient(100deg,#ffd76a,#ff8a5c);-webkit-background-clip:text;background-clip:text;color:transparent}
.global-panel .price small{font-size:17px;color:#d8e7ff;-webkit-text-fill-color:#d8e7ff;font-weight:600}
.global-panel .sub{color:#ffd76a;font-size:16px;font-weight:700;margin-top:6px}
.global-feats{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:28px 0 26px}
.global-feats div{border:1px solid rgba(255,255,255,.16);background:rgba(255,255,255,.06);border-radius:14px;padding:16px 10px;font-size:13.5px;color:#e2ecff}
.global-panel .actions{display:flex;justify-content:center;gap:12px;flex-wrap:wrap}

/* 价格卡 */
.price-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;align-items:stretch}
.price-card{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r);
  padding:30px 20px;box-shadow:var(--shadow);text-align:center;display:flex;flex-direction:column;
}
.price-card.featured{border:2px solid var(--brand);box-shadow:0 22px 52px rgba(238,59,47,.16)}
.price-card.global{border:2px solid var(--blue);box-shadow:0 22px 52px rgba(26,107,255,.15)}
.price-card .badge{
  position:absolute;top:-13px;left:50%;transform:translateX(-50%);
  border-radius:99px;padding:4px 16px;font-size:12px;font-weight:800;color:#fff;white-space:nowrap;
  background:linear-gradient(100deg,var(--brand),#ff8a2b);
}
.price-card.global .badge{background:linear-gradient(100deg,var(--blue-deep),var(--blue))}
.price-card h3{font-size:16.5px;font-weight:800;margin-bottom:6px}
.price-card .kind{font-size:12.5px;color:var(--muted);min-height:38px}
.price-card .amount{font-size:34px;font-weight:800;color:var(--ink);line-height:1.25;margin:8px 0 2px}
.price-card .amount.hot{color:var(--brand)}
.price-card .amount.gl{color:var(--blue-deep)}
.price-card .unit{font-size:13px;color:var(--muted)}
.price-card .orig{font-size:12.5px;color:#93a4bf;text-decoration:line-through;margin-top:4px}
.price-card .orig.plain{text-decoration:none;color:var(--muted)}
.price-card ul{margin:18px 0 22px;text-align:center;flex:1}
.price-card li{font-size:13.5px;color:var(--ink-2);padding:4px 0}
.price-card li::before{content:"✓";color:#0d9c6c;font-weight:800;margin-right:6px}

/* 流程 */
.steps{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:14px;counter-reset:step}
.step{background:#fff;border:1px solid var(--line);border-radius:18px;padding:24px 14px;box-shadow:var(--shadow);text-align:center}
.step .n{
  width:40px;height:40px;margin:0 auto 14px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  font-weight:800;color:#fff;background:linear-gradient(140deg,var(--blue-deep),var(--blue));font-size:15px;
}
.step h3{font-size:15px;font-weight:800;margin-bottom:6px}
.step p{font-size:12.5px;color:var(--muted)}

/* 案例 */
.case-card{background:#fff;border:1px solid var(--line);border-radius:18px;overflow:hidden;box-shadow:var(--shadow);text-align:center;transition:transform .25s,box-shadow .25s}
.case-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg)}
.case-card .shot{aspect-ratio:16/10;overflow:hidden;background:#eaf2ff;display:flex;align-items:center;justify-content:center}
.case-card .shot img{width:100%;height:100%;object-fit:cover;object-position:top center;transition:transform .5s}
.case-card:hover .shot img{transform:scale(1.04)}
.case-card .body{padding:18px 16px 20px}
.case-card h3{font-size:15.5px;font-weight:800;margin-bottom:5px}
.case-card .cat{font-size:12px;color:var(--blue-deep);font-weight:700}
.case-card .desc{font-size:13px;color:var(--muted);margin-top:8px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}

/* 表格 */
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:18px;background:#fff;box-shadow:var(--shadow);max-width:900px;margin:0 auto}
.table-wrap table{width:100%;min-width:560px;font-size:14px}
.table-wrap th,.table-wrap td{padding:14px 18px;border-bottom:1px solid var(--line);text-align:center}
.table-wrap th{background:rgba(26,107,255,.06);font-weight:800;color:var(--ink-2)}
.table-wrap tr:last-child td{border-bottom:0}
.table-wrap td{color:var(--muted)}

/* FAQ */
.faq{max-width:860px;margin:0 auto;display:grid;gap:12px}
.faq details{background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);text-align:center;padding:0 22px}
.faq summary{
  list-style:none;cursor:pointer;padding:18px 28px 18px 0;font-weight:700;font-size:15.5px;color:var(--ink);
  display:flex;align-items:center;justify-content:center;gap:10px;position:relative;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:0;top:50%;transform:translateY(-50%);font-size:20px;color:var(--blue-deep);font-weight:400}
.faq details[open] summary::after{content:"−"}
.faq details p{padding:0 12px 20px;color:var(--muted);font-size:14.5px;line-height:1.85;text-align:center}

/* CTA 横幅 */
.cta-band{
  border-radius:26px;padding:46px 28px;text-align:center;color:#fff;position:relative;overflow:hidden;
  background:linear-gradient(110deg,#0b47d6 0%,#4c5bff 48%,#ee3b2f 100%);
  box-shadow:0 24px 60px rgba(16,62,150,.22);
}
.cta-band h2{font-size:clamp(24px,3.2vw,34px);font-weight:800;margin-bottom:12px;color:#fff}
.cta-band p{color:#e4ecff;max-width:700px;margin:0 auto;font-size:15px}
.cta-band .actions{display:flex;justify-content:center;gap:12px;flex-wrap:wrap;margin-top:24px}

/* 内容页通用 */
.page-hero{
  padding:62px 0 56px;position:relative;overflow:hidden;color:#fff;
  background:
    radial-gradient(760px 420px at 50% 0%,rgba(26,107,255,.5),transparent 70%),
    radial-gradient(600px 380px at 90% 80%,rgba(238,59,47,.22),transparent 70%),
    linear-gradient(150deg,#071631,#102a5e 60%,#091a3c);
}
.page-hero h1{font-size:clamp(28px,4.2vw,44px);font-weight:800;line-height:1.35;margin:18px 0 14px}
.page-hero p{max-width:760px;margin:0 auto;color:#cfe0fb;font-size:16px}
.crumb{font-size:12.5px;color:#a9c3e8}
.crumb a{color:#d8e7ff}
.crumb span{margin:0 8px;color:#7f9bc7}
.prose{max-width:860px;margin:0 auto;color:var(--ink-2);font-size:15.5px;line-height:1.95}
.prose p{margin-bottom:16px}
.prose h3{font-size:19px;font-weight:800;margin:30px 0 12px;color:var(--ink)}
.prose ul{margin:0 auto 18px;max-width:720px}
.prose li{padding:5px 0;color:var(--muted)}
.prose li::before{content:"✓";color:#0d9c6c;font-weight:800;margin-right:8px}
.note{font-size:13px;color:var(--muted);margin-top:18px}

/* 联系 */
.qr-box{max-width:320px;margin:0 auto;background:#fff;border:1px solid var(--line);border-radius:20px;padding:22px;box-shadow:var(--shadow)}
.qr-box img{width:190px;height:190px;object-fit:contain;border-radius:10px}
.qr-box b{display:block;margin-top:14px;font-size:16px}
.qr-box span{font-size:13px;color:var(--muted)}

/* 网站地图页 */
.map-group{background:#fff;border:1px solid var(--line);border-radius:18px;padding:26px;box-shadow:var(--shadow);text-align:center}
.map-group h3{font-size:17px;font-weight:800;margin-bottom:16px}
.map-group ul{display:flex;justify-content:center;flex-wrap:wrap;gap:10px}
.map-group a{display:inline-block;border:1px solid var(--line);border-radius:99px;padding:7px 17px;font-size:13.5px;color:var(--ink-2)}
.map-group a:hover{border-color:var(--blue);color:var(--blue-deep);background:rgba(26,107,255,.05)}

/* 页脚 */
.footer{
  background:linear-gradient(170deg,#0a1c3d,#071631);color:#d6e4fb;padding:38px 0 22px;
}
.footer-grid{display:grid;grid-template-columns:1.15fr 1.1fr .75fr;gap:28px;text-align:center;align-items:start}
.footer .f-brand{display:flex;align-items:center;justify-content:center;gap:9px;margin-bottom:10px}
.footer .f-brand img{width:30px;height:30px}
.footer .f-brand strong{font-size:18px;color:#fff;letter-spacing:.05em}
.footer h4{font-size:13px;font-weight:800;color:#fff;letter-spacing:.08em;margin-bottom:12px}
.footer p{font-size:12.5px;line-height:1.8;color:#a9c0e2}
.footer .f-links{display:grid;grid-template-columns:1fr 1fr;gap:6px 10px;max-width:320px;margin:0 auto}
.footer .f-links a{font-size:12.5px;color:#b9cdee}
.footer .f-links a:hover{color:#fff}
.footer .footer-qr{width:82px;height:82px;object-fit:contain;background:#fff;border-radius:8px;padding:4px;margin:0 auto 8px}
.footer .f-contact b{display:block;color:#fff;font-size:13px}
.footer .f-contact span{font-size:12px;color:#a9c0e2}
.footer-full{
  margin-top:22px;padding-top:14px;border-top:1px solid rgba(255,255,255,.13);
  display:flex;justify-content:center;gap:10px;flex-wrap:wrap;font-size:12px;color:#94b0d8;
}
.footer-full a{color:#b9cdee}
.footer-full a:hover{color:#fff}
.footer-bottom{
  margin-top:10px;padding-top:12px;border-top:1px solid rgba(255,255,255,.09);
  font-size:11.8px;color:#89a5ce;display:flex;justify-content:center;gap:12px;flex-wrap:wrap;
}

/* 动效 */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s,transform .6s}
.reveal.in{opacity:1;transform:none}

@media(max-width:1000px){
  .g4,.price-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .g3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .steps{grid-template-columns:repeat(3,minmax(0,1fr))}
  .nav-menu{display:none;position:absolute;top:100%;left:0;right:0;background:#fff;border-bottom:1px solid var(--line);box-shadow:var(--shadow-lg);padding:12px 20px;flex-direction:column;gap:2px}
  .nav-menu.open{display:flex}
  .nav-menu a{width:100%}
  .menu-btn{display:flex}
  .nav .container{justify-content:space-between}
  .nav-right{margin-left:auto}
}
@media(max-width:720px){
  .section{padding:60px 0}
  .hero{padding:58px 0 68px}
  .container{padding:0 18px}
  .g2,.g3,.g4,.price-grid,.steps,.global-feats,.stat-row,.footer-grid{grid-template-columns:1fr}
  .metrics div{flex:1 1 50%;border-bottom:1px solid rgba(255,255,255,.12)}
  .global-panel{padding:30px 18px}
  .result-row{flex-direction:column;gap:6px}
  .topbar .container{font-size:11.5px;min-height:38px;padding:5px 14px}
  .topbar .topbar-long{display:none}
  .topbar .topbar-short{display:inline}
  .btn-lg{padding:12px 20px;font-size:14.5px}
  .nav .container{min-height:60px}
  .lang-switch{padding:5px 10px;font-size:12px}
  .nav-cta{display:none}
}