/* ===== 星极云官网 ===== */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --blue:#1F5AE8;--blue-d:#0B3CB8;--blue-l:#EBF1FF;--blue-l2:#F5F8FF;
  --ink:#0F1A2E;--ink2:#3D4C63;--ink3:#5A6980;--ink4:#8895A8;
  --line:#E3E8F0;--line2:#EFF2F7;
  --bg:#FFFFFF;--bg2:#F7F9FC;
  --r:6px;--r-lg:10px;
  --sh:0 1px 2px rgba(15,26,46,.04);
  --sh2:0 4px 16px rgba(15,26,46,.07);
  --sh3:0 12px 32px rgba(31,90,232,.13);
}
html{-webkit-text-size-adjust:100%}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  color:var(--ink);background:var(--bg);font-size:15px;line-height:1.65;
  -webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;
  font-feature-settings:"tnum";
}
a{text-decoration:none;color:inherit}
img{max-width:100%;display:block}
ul,ol{list-style:none}
button{font-family:inherit}
.wrap{max-width:1180px;margin:0 auto;padding:0 32px}
.wrap-sm{max-width:880px;margin:0 auto;padding:0 32px}

/* ---------- 图标 ---------- */
.ic{width:24px;height:24px;stroke:currentColor;fill:none;stroke-width:1.6;
  stroke-linecap:round;stroke-linejoin:round;flex-shrink:0}
.ic-lg{width:28px;height:28px}
.ic-sm{width:18px;height:18px}
.ic-box{width:44px;height:44px;border-radius:9px;display:flex;align-items:center;
  justify-content:center;background:var(--blue-l);color:var(--blue);flex-shrink:0}

/* ---------- 导航 ---------- */
.utility{background:var(--bg2);border-bottom:1px solid var(--line2);font-size:12.5px;color:var(--ink3)}
.utility .wrap{display:flex;align-items:center;justify-content:space-between;height:32px}
.utility-l,.utility-r{display:flex;gap:18px;align-items:center}
.utility a:hover{color:var(--blue)}

.hd{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:800}
.hd .wrap{display:flex;align-items:center;height:60px;gap:40px}
.brand{display:flex;align-items:center;gap:8px;font-size:17px;font-weight:650;
  letter-spacing:-.2px;white-space:nowrap;color:var(--ink)}
.brand-m{width:26px;height:26px;border-radius:5px;background:var(--blue);
  display:flex;align-items:center;justify-content:center;flex-shrink:0}
.brand-m svg{width:15px;height:15px;stroke:#fff;fill:none;stroke-width:2;
  stroke-linecap:round;stroke-linejoin:round}
.hd-nav{display:flex;gap:30px;flex:1}
.hd-nav a{font-size:14.5px;color:var(--ink2);padding:19px 0;position:relative;
  transition:color .15s}
.hd-nav a:hover{color:var(--blue)}
.hd-nav a.on{color:var(--blue);font-weight:550}
.hd-nav a.on::after{content:'';position:absolute;left:0;right:0;bottom:-1px;
  height:2px;background:var(--blue);border-radius:1px}
.hd-r{display:flex;align-items:center;gap:14px}
.hd-login{font-size:14.5px;color:var(--ink2)}
.hd-login:hover{color:var(--blue)}
.burger{display:none;width:34px;height:34px;border:1px solid var(--line);border-radius:var(--r);
  background:#fff;cursor:pointer;align-items:center;justify-content:center;flex-direction:column;gap:3.5px}
.burger i{width:15px;height:1.5px;background:var(--ink);border-radius:1px;transition:.2s}
.mnav{display:none;position:absolute;left:0;right:0;top:100%;background:#fff;
  border-bottom:1px solid var(--line);box-shadow:0 8px 20px rgba(15,26,46,.09);padding:6px 0}
.mnav.open{display:block}
.mnav a{display:block;padding:13px 32px;font-size:15px;color:var(--ink2);
  border-bottom:1px solid var(--line2)}
.mnav a:last-child{border-bottom:0}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;
  height:38px;padding:0 22px;border-radius:var(--r);font-size:14.5px;font-weight:500;
  border:1px solid transparent;cursor:pointer;transition:all .16s;white-space:nowrap;
  letter-spacing:0}
.btn-p{background:var(--blue);color:#fff}
.btn-p:hover{background:var(--blue-d)}
.btn-o{background:#fff;color:var(--blue);border-color:#B9CCF5}
.btn-o:hover{background:var(--blue-l2);border-color:var(--blue)}
.btn-g{background:#fff;color:var(--ink2);border-color:var(--line)}
.btn-g:hover{color:var(--blue);border-color:#B9CCF5}
.btn-lg{height:44px;padding:0 30px;font-size:15.5px}
.btn-block{width:100%}
.btn-arrow::after{content:'→';font-size:15px;opacity:.75;margin-left:0}

/* ---------- Hero ---------- */
.hero{padding:76px 0 64px;background:
  radial-gradient(900px 420px at 78% 20%,#EDF2FF 0%,rgba(237,242,255,0) 62%),
  linear-gradient(180deg,#FAFCFF 0%,#FFFFFF 88%);
  border-bottom:1px solid var(--line2);overflow:hidden}
.hero .wrap{display:grid;grid-template-columns:1.03fr .97fr;gap:56px;align-items:center}
.hero-badge{display:inline-flex;align-items:center;gap:7px;height:27px;padding:0 12px;
  background:#fff;border:1px solid #D6E1F8;color:var(--blue);font-size:12.5px;
  border-radius:14px;margin-bottom:22px;font-weight:500}
.hero-badge .dot{width:5px;height:5px;border-radius:50%;background:var(--blue);
  box-shadow:0 0 0 3px rgba(31,90,232,.13)}
.hero h1{font-size:46px;line-height:1.22;font-weight:680;letter-spacing:-1.1px;
  margin-bottom:20px;color:var(--ink)}
.hero h1 .hl{color:var(--blue)}
.hero-sub{font-size:16.5px;line-height:1.85;color:var(--ink2);max-width:460px;margin-bottom:34px}
.hero-act{display:flex;gap:12px;margin-bottom:34px}
.hero-meta{display:flex;gap:26px;font-size:13px;color:var(--ink3)}
.hero-meta span{display:flex;align-items:center;gap:5px}
.hero-meta svg{width:15px;height:15px;stroke:var(--blue);fill:none;stroke-width:2;
  stroke-linecap:round;stroke-linejoin:round}
.hero-art img{width:100%;border-radius:12px}

/* ---------- 指标 ---------- */
.metrics{border-bottom:1px solid var(--line2);background:#fff}
.metrics .wrap{display:grid;grid-template-columns:repeat(4,1fr);padding-top:30px;padding-bottom:30px}
.metric{text-align:center;border-right:1px solid var(--line2)}
.metric:last-child{border-right:0}
.metric .v{font-size:29px;font-weight:680;color:var(--ink);letter-spacing:-.8px;line-height:1.2}
.metric .v em{font-style:normal;font-size:17px;font-weight:600;color:var(--ink2);margin-left:2px}
.metric .k{font-size:13.5px;color:var(--ink3);margin-top:5px}

/* ---------- 区块 ---------- */
.sec{padding:76px 0}
.sec-g{background:var(--bg2);border-top:1px solid var(--line2);border-bottom:1px solid var(--line2)}
.sec-h{margin-bottom:44px}
.sec-h.mid{text-align:center}
.sec-eyebrow{font-size:12.5px;font-weight:600;color:var(--blue);letter-spacing:.6px;
  text-transform:uppercase;margin-bottom:12px}
.sec-h h2{font-size:31px;font-weight:680;letter-spacing:-.6px;line-height:1.3;margin-bottom:12px}
.sec-h p{font-size:15px;color:var(--ink3);line-height:1.75}
.sec-h.mid p{max-width:620px;margin:0 auto}

/* ---------- 产品卡 ---------- */
.pgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);
  border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden}
.pcard{background:#fff;padding:30px 28px 28px;transition:background .18s;position:relative;display:block}
.pcard:hover{background:var(--blue-l2)}
.pcard .top{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.pcard h3{font-size:16.5px;font-weight:620;letter-spacing:-.2px}
.pcard p{font-size:13.8px;color:var(--ink3);line-height:1.72;margin-bottom:18px;min-height:47px}
.pcard .go{font-size:13px;color:var(--blue);display:inline-flex;align-items:center;gap:4px;
  font-weight:500}
.pcard:hover .go{text-decoration:underline}
.pcard .tag{position:absolute;top:26px;right:24px;font-size:11px;color:var(--blue);
  background:var(--blue-l);padding:2px 8px;border-radius:3px;font-weight:500}

/* ---------- 方案 ---------- */
.sgrid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.scard{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:26px 26px 24px;
  display:flex;gap:16px;transition:all .18s}
.scard:hover{border-color:#C4D5F5;box-shadow:var(--sh2)}
.scard h3{font-size:16px;font-weight:620;margin-bottom:7px;letter-spacing:-.2px}
.scard p{font-size:13.8px;color:var(--ink3);line-height:1.72}

/* ---------- 优势列表 ---------- */
.adv{display:grid;grid-template-columns:.92fr 1.08fr;gap:64px;align-items:center}
.adv-list li{display:flex;gap:14px;padding:18px 0;border-bottom:1px solid var(--line2)}
.adv-list li:first-child{padding-top:0}
.adv-list li:last-child{border-bottom:0;padding-bottom:0}
.adv-ic{width:34px;height:34px;border-radius:8px;background:var(--blue-l);color:var(--blue);
  display:flex;align-items:center;justify-content:center;flex-shrink:0}
.adv-list strong{display:block;font-size:15px;font-weight:620;margin-bottom:4px;letter-spacing:-.1px}
.adv-list span{font-size:13.8px;color:var(--ink3);line-height:1.7}
.adv-art img{width:100%;border-radius:12px}

/* ---------- 价格 ---------- */
.bill-sw{display:flex;justify-content:center;margin-bottom:38px}
.bill-in{display:inline-flex;background:#fff;border:1px solid var(--line);border-radius:var(--r);
  padding:3px;gap:2px}
.bill-b{border:0;background:transparent;color:var(--ink2);font-size:13.5px;padding:7px 20px;
  border-radius:4px;cursor:pointer;transition:.16s;font-weight:500}
.bill-b.on{background:var(--blue);color:#fff}
.bill-b .save{font-size:11.5px;opacity:.8;margin-left:3px}

.pgrid3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;align-items:start}
.plan{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:30px 26px 26px;position:relative;transition:all .18s}
.plan:hover{box-shadow:var(--sh2);border-color:#C4D5F5}
.plan.rec{border:1.5px solid var(--blue);box-shadow:var(--sh3)}
.plan .rec-tag{position:absolute;top:-1px;left:50%;transform:translateX(-50%);
  background:var(--blue);color:#fff;font-size:11.5px;font-weight:500;
  padding:3px 14px;border-radius:0 0 4px 4px;letter-spacing:.3px}
.plan h3{font-size:18px;font-weight:650;margin-bottom:5px;letter-spacing:-.2px}
.plan .for{font-size:13px;color:var(--ink3);margin-bottom:20px;min-height:19px}
.plan .amt{display:flex;align-items:baseline;gap:3px;margin-bottom:5px}
.plan .amt .c{font-size:15px;font-weight:600;color:var(--ink)}
.plan .amt .n{font-size:38px;font-weight:680;letter-spacing:-1.4px;line-height:1}
.plan .amt .u{font-size:13px;color:var(--ink3);margin-left:1px}
.plan .equiv{font-size:12.5px;color:var(--ink3);margin-bottom:22px;min-height:18px}
.plan .equiv b{color:var(--blue);font-weight:600}
.plan .hr{height:1px;background:var(--line2);margin-bottom:20px}
.plan .spec{display:grid;gap:9px;margin-bottom:24px}
.plan .spec li{font-size:13.5px;color:var(--ink2);display:flex;justify-content:space-between;
  gap:12px;align-items:baseline}
.plan .spec li b{color:var(--ink);font-weight:600;white-space:nowrap}
.plan .spec li span{color:var(--ink3);font-size:13px}

/* ---------- 表格 ---------- */
.tbl-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--r-lg);background:#fff}
table.cmp{width:100%;border-collapse:collapse;font-size:13.5px;min-width:700px}
table.cmp th,table.cmp td{padding:13px 20px;text-align:left;border-bottom:1px solid var(--line2)}
table.cmp thead th{background:var(--bg2);font-weight:620;color:var(--ink);font-size:13px;
  white-space:nowrap;border-bottom:1px solid var(--line)}
table.cmp tbody tr:last-child td{border-bottom:0}
table.cmp tbody tr:hover{background:#FAFBFE}
table.cmp td:first-child{color:var(--ink);font-weight:520}
table.cmp td{color:var(--ink2)}
table.cmp .y{color:var(--blue);font-weight:600}
table.cmp .hl-row td{background:var(--blue-l2);font-weight:600}

/* ---------- FAQ ---------- */
.faq{border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{list-style:none;cursor:pointer;padding:19px 34px 19px 0;position:relative;
  font-size:15px;font-weight:550;color:var(--ink);transition:color .15s}
.faq summary:hover{color:var(--blue)}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:'';position:absolute;right:6px;top:50%;width:9px;height:9px;
  border-right:1.6px solid var(--ink4);border-bottom:1.6px solid var(--ink4);
  transform:translateY(-70%) rotate(45deg);transition:transform .2s}
.faq details[open] summary::after{transform:translateY(-30%) rotate(-135deg);
  border-color:var(--blue)}
.faq details[open] summary{color:var(--blue)}
.faq .a{padding:0 50px 20px 0;font-size:14px;color:var(--ink2);line-height:1.9}

/* ---------- CTA ---------- */
.cta{background:linear-gradient(112deg,#0E3FA8 0%,#1F5AE8 52%,#3B78F5 100%);
  color:#fff;padding:64px 0;position:relative;overflow:hidden}
.cta::after{content:'';position:absolute;right:-60px;top:-60px;width:340px;height:340px;
  border-radius:50%;background:rgba(255,255,255,.05)}
.cta::before{content:'';position:absolute;right:120px;bottom:-120px;width:260px;height:260px;
  border-radius:50%;background:rgba(255,255,255,.04)}
.cta .wrap{position:relative;z-index:1;text-align:center}
.cta h2{font-size:29px;font-weight:680;letter-spacing:-.5px;margin-bottom:12px}
.cta p{font-size:15px;color:rgba(255,255,255,.82);margin-bottom:30px}
.cta .btn-w{background:#fff;color:var(--blue);height:44px;padding:0 32px;border-radius:var(--r);
  font-size:15px;font-weight:550;display:inline-flex;align-items:center;transition:.16s}
.cta .btn-w:hover{background:#F0F5FF}

/* ---------- 页脚 ---------- */
.ft{background:#fff;border-top:1px solid var(--line);padding:52px 0 0}
.ft-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:44px;padding-bottom:40px}
.ft-brand p{font-size:13.5px;color:var(--ink3);line-height:1.9;margin-top:14px;max-width:270px}
.ft-contact{margin-top:18px;font-size:13px;color:var(--ink3);line-height:2}
.ft-contact b{color:var(--ink);font-size:17px;font-weight:650;letter-spacing:.2px}
.ft-col h4{font-size:13.5px;font-weight:620;color:var(--ink);margin-bottom:16px}
.ft-col li{margin-bottom:9px}
.ft-col a{font-size:13.5px;color:var(--ink3)}
.ft-col a:hover{color:var(--blue)}
.ft-btm{border-top:1px solid var(--line2);padding:20px 0;display:flex;justify-content:space-between;
  align-items:center;font-size:12.5px;color:var(--ink4);flex-wrap:wrap;gap:10px}

/* ---------- 文档 ---------- */
.crumb{font-size:13px;color:var(--ink4);padding:15px 0;border-bottom:1px solid var(--line2)}
.crumb a:hover{color:var(--blue)}
.crumb i{margin:0 7px;font-style:normal;color:#C8D0DD}
.docw{display:grid;grid-template-columns:196px 1fr;gap:48px;padding:30px 0 72px}
.docnav{position:sticky;top:84px;height:fit-content;border-right:1px solid var(--line2);
  padding-right:20px}
.docnav h5{font-size:11.5px;font-weight:650;color:var(--ink4);letter-spacing:.7px;
  text-transform:uppercase;margin:22px 0 8px}
.docnav h5:first-child{margin-top:0}
.docnav a{display:block;padding:6px 10px;font-size:13.5px;color:var(--ink2);
  border-radius:4px;border-left:2px solid transparent;transition:.15s;margin-left:-12px}
.docnav a:hover{color:var(--blue);background:var(--blue-l2)}
.docnav a.on{color:var(--blue);background:var(--blue-l);border-left-color:var(--blue);font-weight:550}
.doc h2{font-size:23px;font-weight:660;letter-spacing:-.3px;margin:40px 0 14px;
  padding-bottom:12px;border-bottom:1px solid var(--line)}
.doc h2:first-child{margin-top:0}
.doc h3{font-size:16px;font-weight:620;margin:24px 0 10px}
.doc p{font-size:14.5px;color:var(--ink2);line-height:1.9;margin-bottom:14px}
.doc ul,.doc ol{margin:0 0 16px 19px;font-size:14.5px;color:var(--ink2);line-height:1.9}
.doc ul li{list-style:disc;margin-bottom:5px}
.doc ol li{list-style:decimal;margin-bottom:5px}
.doc code{background:var(--bg2);border:1px solid var(--line);padding:1px 6px;border-radius:3px;
  font-size:13px;color:#0B3CB8;font-family:"SF Mono",Consolas,Monaco,monospace}
.doc pre{background:#F8FAFD;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:18px 20px;overflow-x:auto;margin-bottom:18px}
.doc pre code{background:none;border:0;padding:0;color:var(--ink2);font-size:13px;line-height:1.95}
.note{background:var(--blue-l2);border-left:2.5px solid var(--blue);border-radius:0 var(--r) var(--r) 0;
  padding:14px 18px;margin:16px 0;font-size:13.5px;color:var(--ink2);line-height:1.85}
.note b{color:var(--blue);display:block;margin-bottom:3px;font-weight:600;font-size:13px}
.steps{display:grid;gap:20px;margin:20px 0}
.step{display:flex;gap:14px}
.step-n{width:24px;height:24px;flex-shrink:0;border-radius:50%;background:var(--blue-l);
  color:var(--blue);font-size:12.5px;font-weight:650;display:flex;align-items:center;
  justify-content:center;border:1px solid #CFDDF9}
.step b{display:block;font-size:14.5px;font-weight:600;margin-bottom:3px}
.step span{font-size:13.5px;color:var(--ink3);line-height:1.75}

/* ---------- 响应 ---------- */
@media(max-width:1040px){
  .hero .wrap{grid-template-columns:1fr;gap:36px}
  .hero h1{font-size:36px}
  .hero-sub{max-width:none}
  .pgrid{grid-template-columns:repeat(2,1fr)}
  .pgrid3{grid-template-columns:repeat(2,1fr)}
  .adv{grid-template-columns:1fr;gap:34px}
  .ft-grid{grid-template-columns:1fr 1fr}
  .hd-nav{gap:20px}
}
@media(max-width:820px){
  .utility{display:none}
  .hd .wrap{height:54px;gap:12px}
  .hd-nav{display:none}
  .burger{display:flex}
  .hd-login{display:none}
  .wrap,.wrap-sm{padding:0 20px}
  .hero{padding:44px 0 40px}
  .hero h1{font-size:27px;letter-spacing:-.6px}
  .hero-sub{font-size:15px}
  .hero-meta{flex-wrap:wrap;gap:14px}
  .metrics .wrap{grid-template-columns:1fr 1fr;gap:22px 0;padding-top:24px;padding-bottom:24px}
  .metric:nth-child(2){border-right:0}
  .metric:nth-child(1),.metric:nth-child(2){border-bottom:1px solid var(--line2);padding-bottom:20px}
  .metric .v{font-size:24px}
  .sec{padding:46px 0}
  .sec-h{margin-bottom:30px}
  .sec-h h2{font-size:23px;letter-spacing:-.3px}
  .pgrid,.pgrid3,.sgrid{grid-template-columns:1fr}
  .pcard{border-bottom:1px solid var(--line)}
  .docw{grid-template-columns:1fr;gap:22px}
  .docnav{position:static;border-right:0;border:1px solid var(--line);
    border-radius:var(--r-lg);padding:14px 16px}
  .docnav a{margin-left:0}
  .ft-grid{grid-template-columns:1fr;gap:28px}
  .cta h2{font-size:22px}
  .plan.rec{order:-1}
}

/* 表格：统一左对齐，仅价格列右对齐 */
table.cmp th,table.cmp td{padding:15px 22px;text-align:left;vertical-align:middle}
table.cmp thead th{text-align:left}
/* 价格列（最后两列）右对齐 + 等宽数字 */
table.cmp td.num,table.cmp th.num{text-align:right;font-variant-numeric:tabular-nums;
  font-feature-settings:"tnum";white-space:nowrap}
/* 承诺表第二列允许换行，保持自然阅读 */
table.cmp td.desc{line-height:1.75}