/* ============ 爱微圈云 · 官网 ============ */
:root{
  --brand:#1677ff;
  --brand-2:#4096ff;
  --brand-deep:#0b4bd6;
  --ink:#0b0d12;
  --ink-2:#151922;
  --text:#111826;
  --text-2:#4a5568;
  --muted:#7d8899;
  --line:#e6ebf3;
  --soft:#f6f8fc;
  --radius:14px;
  --shadow:0 12px 40px rgba(15,30,70,.08);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body.site{
  font:15px/1.75 -apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  color:var(--text);background:#fff;-webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.wrap{max-width:1180px;margin:0 auto;padding:0 24px}
.ico{width:20px;height:20px;stroke:currentColor;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}

/* ---------- 顶栏 ---------- */
.nav{
  position:sticky;top:0;z-index:60;height:68px;display:flex;align-items:center;
  background:rgba(255,255,255,.86);backdrop-filter:blur(14px);border-bottom:1px solid rgba(230,235,243,.9);
}
.nav .wrap{display:flex;align-items:center;gap:36px;width:100%}
.logo{display:flex;align-items:center;gap:10px;font-weight:750;font-size:17.5px;letter-spacing:-.3px}
.logo .mk{
  width:34px;height:34px;border-radius:9px;background:linear-gradient(135deg,#1677ff,#3d9bff);
  display:flex;align-items:center;justify-content:center;color:#fff;font-weight:800;font-size:17px;
  box-shadow:0 5px 16px rgba(22,119,255,.36);
}
.logo small{display:block;font-size:9.5px;letter-spacing:1.6px;color:var(--muted);font-weight:500;margin-top:-3px}
.nav-links{display:flex;align-items:center;gap:26px;font-size:14px;color:var(--text-2)}
.nav-links a{position:relative;padding:4px 0;transition:.16s}
.nav-links a:hover{color:var(--brand)}
.nav-links a.on{color:var(--text);font-weight:600}
.nav-links a.on::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;border-radius:2px;background:var(--brand)}
.nav .acts{margin-left:auto;display:flex;align-items:center;gap:10px}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:7px;height:42px;padding:0 22px;
  border-radius:9px;border:1px solid var(--line);background:#fff;color:var(--text);
  font-size:14px;font-weight:550;cursor:pointer;transition:.16s;white-space:nowrap;
}
.btn:hover{border-color:#c5d3e8;transform:translateY(-1px)}
.btn.primary{background:var(--brand);border-color:var(--brand);color:#fff;box-shadow:0 6px 20px rgba(22,119,255,.3)}
.btn.primary:hover{background:var(--brand-2);border-color:var(--brand-2);box-shadow:0 10px 26px rgba(22,119,255,.36)}
.btn.lg{height:50px;padding:0 30px;font-size:15px;border-radius:11px}
.btn.sm{height:34px;padding:0 14px;font-size:13px;border-radius:7px}
.btn.ghost{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.22);color:#fff}
.btn.ghost:hover{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.38)}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;color:#fff;
  background:
    radial-gradient(900px 480px at 78% -12%,rgba(64,150,255,.34),transparent 62%),
    radial-gradient(700px 420px at 8% 108%,rgba(22,119,255,.22),transparent 60%),
    linear-gradient(160deg,#080a0f 0%,#0d1220 46%,#0a1024 100%);
  padding:88px 0 100px;
}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.03) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.03) 1px,transparent 1px);
  background-size:56px 56px;
  mask-image:radial-gradient(ellipse 70% 60% at 50% 30%,#000,transparent 78%);
}
.hero .wrap{position:relative;z-index:2}
.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:56px;align-items:center}
@media(max-width:960px){.hero-grid{grid-template-columns:1fr;gap:36px}}
.badge{
  display:inline-flex;align-items:center;gap:7px;height:30px;padding:0 13px;border-radius:20px;
  background:rgba(22,119,255,.14);border:1px solid rgba(64,150,255,.34);
  font-size:12.5px;color:#9fc6ff;margin-bottom:22px;letter-spacing:.2px;
}
.badge i{width:6px;height:6px;border-radius:50%;background:#4d9cff;box-shadow:0 0 0 3px rgba(77,156,255,.22)}
.hero h1{
  font-size:52px;line-height:1.18;letter-spacing:-1.6px;margin:0 0 20px;font-weight:780;
  background:linear-gradient(120deg,#fff 30%,#a8c8ff 100%);-webkit-background-clip:text;background-clip:text;color:transparent;
}
@media(max-width:960px){.hero h1{font-size:36px;letter-spacing:-1px}}
.hero .lead{font-size:17px;line-height:1.8;color:#a8b4c9;max-width:520px;margin:0 0 32px}
.hero .cta{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:34px}
.hero-meta{display:flex;gap:34px;flex-wrap:wrap;padding-top:26px;border-top:1px solid rgba(255,255,255,.09)}
.hero-meta div span{display:block;font-size:26px;font-weight:750;letter-spacing:-.8px;color:#fff;font-variant-numeric:tabular-nums}
.hero-meta div small{font-size:12px;color:#7d8ba3}

/* 控制台预览卡 */
.preview{
  border-radius:16px;overflow:hidden;border:1px solid rgba(255,255,255,.12);
  box-shadow:0 40px 90px rgba(0,0,0,.55),0 0 0 1px rgba(255,255,255,.04) inset;
  background:#12141a;transform:perspective(1400px) rotateY(-6deg) rotateX(3deg);
}
@media(max-width:960px){.preview{transform:none}}
.pv-bar{height:34px;background:#191c23;display:flex;align-items:center;gap:6px;padding:0 12px;border-bottom:1px solid #23262e}
.pv-bar i{width:9px;height:9px;border-radius:50%;background:#333842}
.pv-bar i:nth-child(1){background:#ff5f57}.pv-bar i:nth-child(2){background:#febc2e}.pv-bar i:nth-child(3){background:#28c840}
.pv-bar span{margin-left:10px;font-size:11px;color:#666e7d;font-family:ui-monospace,monospace}
.pv-body{display:flex;min-height:328px}
.pv-sb{width:112px;background:#101216;padding:14px 8px;border-right:1px solid #1e2128}
.pv-sb b{display:block;width:22px;height:22px;border-radius:6px;background:linear-gradient(135deg,#1677ff,#3d9bff);margin:0 0 16px 6px}
.pv-sb u{display:block;height:8px;border-radius:4px;background:#23262e;margin:0 0 9px;text-decoration:none}
.pv-sb u.on{background:#1677ff;height:20px;margin-bottom:12px}
.pv-main{flex:1;padding:18px}
.pv-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:9px;margin-bottom:14px}
.pv-cards i{height:54px;border-radius:8px;background:#1a1d24;border:1px solid #23262e;display:block}
.pv-table{background:#1a1d24;border-radius:8px;border:1px solid #23262e;padding:11px}
.pv-table u{display:block;height:9px;border-radius:4px;background:#23262e;margin-bottom:9px;text-decoration:none}
.pv-table u:nth-child(1){width:38%;background:#2c3140}
.pv-table u:nth-child(4){width:64%}
.pv-table u:last-child{margin-bottom:0}

/* ---------- 通用区块 ---------- */
.sec{padding:84px 0}
.sec.soft{background:var(--soft)}
.sec-hd{text-align:center;max-width:660px;margin:0 auto 52px}
.sec-hd .kicker{
  display:inline-block;font-size:12px;font-weight:700;letter-spacing:2.4px;color:var(--brand);
  text-transform:uppercase;margin-bottom:14px;
}
.sec-hd h2{font-size:36px;line-height:1.3;letter-spacing:-1px;margin:0 0 14px;font-weight:760}
@media(max-width:760px){.sec-hd h2{font-size:27px}.sec{padding:56px 0}}
.sec-hd p{margin:0;color:var(--muted);font-size:15.5px}

/* 优势网格 */
.adv{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
@media(max-width:1024px){.adv{grid-template-columns:repeat(2,1fr)}}
@media(max-width:620px){.adv{grid-template-columns:1fr}}
.adv-i{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px 22px;
  transition:.2s;
}
.adv-i:hover{border-color:#c9dcff;box-shadow:var(--shadow);transform:translateY(-3px)}
.adv-i .ic{
  width:44px;height:44px;border-radius:12px;background:linear-gradient(135deg,#eaf2ff,#dbe9ff);
  display:flex;align-items:center;justify-content:center;margin-bottom:16px;
}
.adv-i .ic .ico{stroke:var(--brand);width:21px;height:21px}
.adv-i h4{margin:0 0 8px;font-size:15.5px;font-weight:650;letter-spacing:-.2px}
.adv-i p{margin:0;font-size:13.5px;line-height:1.7;color:var(--muted)}

/* 产品卡 */
.prods{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
@media(max-width:1024px){.prods{grid-template-columns:repeat(2,1fr)}}
@media(max-width:680px){.prods{grid-template-columns:1fr}}
.prod{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  display:flex;flex-direction:column;transition:.2s;
}
.prod:hover{border-color:#c9dcff;box-shadow:var(--shadow);transform:translateY(-4px)}
.prod-top{
  height:120px;position:relative;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,#0d1420,#12203a);
}
.prod-top .b{font-size:26px;font-weight:800;color:rgba(255,255,255,.94);letter-spacing:-.8px}
.prod-top .tg{position:absolute;left:14px;top:13px;font-size:10.5px;font-weight:600;padding:2px 8px;border-radius:5px;background:rgba(22,119,255,.2);border:1px solid rgba(64,150,255,.4);color:#9fc6ff}
.prod-top .ht{position:absolute;right:14px;top:13px;font-size:10.5px;font-weight:700;padding:2px 8px;border-radius:5px;background:#ff2d55;color:#fff}
.prod-bd{padding:20px;flex:1;display:flex;flex-direction:column}
.prod-bd h4{margin:0 0 6px;font-size:16px;font-weight:650;letter-spacing:-.2px}
.prod-bd .ds{font-size:12.5px;color:var(--muted);line-height:1.65;margin:0 0 14px;min-height:38px}
.prod-bd ul{margin:0 0 16px;padding:0;list-style:none}
.prod-bd li{font-size:12.5px;color:var(--text-2);padding-left:19px;position:relative;margin-bottom:5px;line-height:1.6}
.prod-bd li::before{content:"";position:absolute;left:0;top:7px;width:11px;height:11px;border-radius:50%;background:#e8f3ff;box-shadow:inset 0 0 0 2px #1677ff}
.prod-ft{margin-top:auto;display:flex;align-items:flex-end;justify-content:space-between;padding-top:14px;border-top:1px solid #f2f5f9}
.price{font-size:23px;font-weight:760;color:#fa541c;letter-spacing:-.6px;font-variant-numeric:tabular-nums}
.price small{font-size:12px;font-weight:500;color:var(--muted);margin-left:3px}
.price del{font-size:12.5px;color:#b9c2cf;font-weight:400;margin-left:6px}

/* 解决方案左右图 */
.split{display:grid;grid-template-columns:.9fr 1.1fr;gap:60px;align-items:center}
@media(max-width:960px){.split{grid-template-columns:1fr;gap:34px}}
.split h2{font-size:33px;line-height:1.32;letter-spacing:-1px;margin:0 0 16px;font-weight:750}
.split p{color:var(--muted);font-size:15px;line-height:1.85;margin:0 0 22px}
.checks{display:grid;gap:12px}
.checks>div{display:flex;gap:11px;font-size:14px;color:var(--text-2);align-items:flex-start}
.checks>div>div{flex:1 1 auto;min-width:0;line-height:1.75}
.checks div b{color:var(--text);font-weight:600}
.checks svg{flex:0 0 20px;margin-top:3px}

/* 定价 */
.prices{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;align-items:start}
@media(max-width:900px){.prices{grid-template-columns:1fr;max-width:400px;margin:0 auto}}
.pcard{background:#fff;border:1px solid var(--line);border-radius:16px;padding:28px 24px;position:relative;transition:.2s}
.pcard:hover{box-shadow:var(--shadow);transform:translateY(-3px)}
.pcard.hot{border-color:var(--brand);box-shadow:0 16px 46px rgba(22,119,255,.16);z-index:2}
.pcard .rc{position:absolute;top:-12px;left:50%;transform:translateX(-50%);background:linear-gradient(90deg,#1677ff,#4096ff);color:#fff;font-size:11px;font-weight:600;padding:4px 14px;border-radius:20px;white-space:nowrap}
.pcard h4{margin:0 0 4px;font-size:16px;font-weight:650}
.pcard .sub{font-size:12.5px;color:var(--muted);margin-bottom:18px}
.pcard .amt{font-size:38px;font-weight:780;letter-spacing:-1.6px;color:var(--text);font-variant-numeric:tabular-nums}
.pcard .amt small{font-size:14px;font-weight:500;color:var(--muted);letter-spacing:0}
.pcard .amt del{font-size:15px;color:#b9c2cf;font-weight:400;margin-left:8px;letter-spacing:0}
.pcard ul{list-style:none;padding:0;margin:20px 0 22px;border-top:1px solid #f2f5f9;padding-top:20px}
.pcard li{font-size:13.5px;color:var(--text-2);padding-left:22px;position:relative;margin-bottom:10px}
.pcard li::before{content:"✓";position:absolute;left:0;color:var(--brand);font-weight:700}
.pcard li.no{color:#b6bcc7}
.pcard li.no::before{content:"×";color:#d5dbe5}
.pcard .btn{width:100%}

/* 新闻 */
.news-list{display:grid;gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.news-i{background:#fff;padding:22px 26px;display:flex;gap:22px;align-items:flex-start;transition:.15s}
.news-i:hover{background:#fafcff}
.news-i .d{flex:0 0 62px;text-align:center;border-right:1px solid var(--line);padding-right:20px}
.news-i .d b{display:block;font-size:21px;font-weight:750;letter-spacing:-.6px;color:var(--text);line-height:1.2}
.news-i .d span{font-size:11px;color:var(--muted)}
.news-i .c{flex:1;min-width:0}
.news-i .c h4{margin:0 0 5px;font-size:15px;font-weight:600;letter-spacing:-.2px}
.news-i .c p{margin:0;font-size:13px;color:var(--muted);line-height:1.65;overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}
.news-i .tg{flex:0 0 auto;font-size:11px;color:var(--brand);background:#eef5ff;padding:3px 9px;border-radius:5px;align-self:center}

/* CTA */
.cta-band{
  position:relative;overflow:hidden;color:#fff;text-align:center;padding:76px 0;
  background:radial-gradient(700px 340px at 50% -10%,rgba(64,150,255,.36),transparent 62%),linear-gradient(160deg,#080a0f,#0c1226);
}
.cta-band h2{font-size:34px;letter-spacing:-1px;margin:0 0 14px;font-weight:750}
.cta-band p{color:#9aa8bf;margin:0 0 30px;font-size:15.5px}
.cta-band .btns{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}

/* 页脚 */
.foot{background:#080a0f;color:#8b96a9;padding:60px 0 30px;font-size:13.5px}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;margin-bottom:44px}
@media(max-width:860px){.foot-grid{grid-template-columns:1fr 1fr;gap:28px}}
.foot .logo{color:#fff;margin-bottom:14px}
.foot .desc{font-size:13px;line-height:1.8;color:#6d7889;max-width:300px}
.foot h5{color:#c9d2e0;font-size:13px;font-weight:600;margin:0 0 14px;letter-spacing:.4px}
.foot ul{list-style:none;padding:0;margin:0}
.foot li{margin-bottom:9px}
.foot a:hover{color:#4d9cff}
.foot-bt{border-top:1px solid rgba(255,255,255,.07);padding-top:22px;display:flex;gap:16px;flex-wrap:wrap;font-size:12.5px;color:#5b6474}
.foot-bt .sp{margin-left:auto}

/* 产品详情 */
.pd-hero{background:linear-gradient(160deg,#080a0f,#0d1426);color:#fff;padding:56px 0 60px}
.pd-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:start}
@media(max-width:960px){.pd-grid{grid-template-columns:1fr}}
.pd-hero h1{font-size:40px;letter-spacing:-1.2px;margin:0 0 14px;font-weight:760;line-height:1.2}
.pd-hero .lead{color:#a8b4c9;font-size:16px;line-height:1.8;margin:0 0 26px;max-width:560px}
.pd-meta{display:flex;gap:26px;flex-wrap:wrap;font-size:13px;color:#8b98ad}
.pd-meta b{color:#fff;font-weight:600}
.pd-buy{background:#fff;border-radius:16px;padding:26px;box-shadow:0 26px 70px rgba(0,0,0,.3)}
.pd-buy .amt{font-size:40px;font-weight:780;letter-spacing:-1.8px;color:#fa541c}
.pd-buy .amt small{font-size:14px;color:var(--muted);font-weight:500;letter-spacing:0}
.plan-opt{
  display:flex;gap:12px;align-items:flex-start;padding:14px;border:1px solid var(--line);border-radius:10px;
  margin-bottom:10px;cursor:pointer;transition:.15s;
}
.plan-opt:hover{border-color:#c2d8ff;background:#fafcff}
.plan-opt input{margin-top:3px;accent-color:var(--brand)}
.plan-opt .nm{font-size:14px;font-weight:600;color:var(--text)}
.plan-opt .fe{font-size:12px;color:var(--muted);margin-top:3px;line-height:1.6}
.plan-opt .pr{margin-left:auto;font-size:17px;font-weight:700;color:#fa541c;white-space:nowrap}

/* 文章 */
.article{max-width:800px;margin:0 auto;padding:56px 0 80px}
.article h1{font-size:32px;letter-spacing:-.8px;line-height:1.35;margin:0 0 16px;font-weight:750}
.article .meta{font-size:12.5px;color:var(--muted);margin-bottom:34px;padding-bottom:20px;border-bottom:1px solid var(--line)}
.article .bd{font-size:15.5px;line-height:1.95;color:#2c3542}
.article .bd h2{font-size:22px;margin:36px 0 14px;font-weight:700;letter-spacing:-.4px}
.article .bd h3{font-size:18px;margin:28px 0 10px;font-weight:650}
.article .bd p{margin:0 0 16px}
.article .bd img{border-radius:10px;margin:18px 0}
.article .bd code{background:#f4f6fa;padding:2px 6px;border-radius:4px;font-size:13.5px;color:#c7254e}
.article .bd pre{background:#0f1115;color:#c9d2e0;padding:16px 18px;border-radius:10px;overflow-x:auto;font-size:13px;line-height:1.7}
.article .bd pre code{background:none;color:inherit;padding:0}
.article .bd table{width:100%;border-collapse:collapse;margin:18px 0;font-size:14px}
.article .bd th,.article .bd td{border:1px solid var(--line);padding:9px 12px;text-align:left}
.article .bd th{background:var(--soft);font-weight:600}
.pn{display:flex;gap:14px;margin-top:44px;padding-top:26px;border-top:1px solid var(--line);font-size:13.5px}
.pn a{flex:1;padding:14px 16px;border:1px solid var(--line);border-radius:10px;color:var(--text-2);transition:.15s}
.pn a:hover{border-color:#c2d8ff;color:var(--brand)}
.pn a span{display:block;font-size:11px;color:var(--muted);margin-bottom:3px}

/* 认证页 */
.auth{
  min-height:100vh;display:flex;align-items:center;justify-content:center;padding:40px 20px;
  background:radial-gradient(800px 480px at 22% 12%,rgba(22,119,255,.16),transparent 60%),
             radial-gradient(700px 420px at 82% 88%,rgba(64,150,255,.12),transparent 58%),
             linear-gradient(160deg,#080a0f,#0c1222);
}
.auth-card{
  width:100%;max-width:420px;background:#fff;border-radius:18px;padding:38px 34px;
  box-shadow:0 40px 100px rgba(0,0,0,.5);
}
.auth-card .lg{display:flex;align-items:center;gap:10px;justify-content:center;margin-bottom:26px;font-weight:750;font-size:18px}
.auth-card h2{font-size:22px;font-weight:700;letter-spacing:-.5px;margin:0 0 6px;text-align:center}
.auth-card .sub{font-size:13px;color:var(--muted);text-align:center;margin:0 0 26px}
.auth-card .field{margin-bottom:15px}
.auth-card .inp{height:44px;border-radius:9px;font-size:14px}
.auth-card .btn{width:100%;height:46px;border-radius:10px;margin-top:6px}
.auth-card .ft{text-align:center;font-size:13px;color:var(--muted);margin-top:20px}
.auth-card .ft a{color:var(--brand);font-weight:500}
.auth-card .err{background:#ffece8;color:#a8071a;border:1px solid #ffcfc4;border-radius:9px;padding:10px 13px;font-size:12.5px;margin-bottom:16px}
.auth-card .tip{font-size:11.5px;color:#b0b8c4;text-align:center;margin-top:18px;line-height:1.6}

@media(max-width:760px){
  .nav-links{display:none}
  .hero{padding:56px 0 64px}
  .pd-hero h1{font-size:30px}
}