/* 虎王星图云 · 前台公共样式（企业蓝白风） */
*,*::before,*::after{box-sizing:border-box}
:root{
  --c1:#1890ff;--c2:#096dd9;--c3:#40a9ff;--cd:#001529;
  --ink:#262626;--mut:#595959;--faint:#8c8c8c;
  --bg:#f0f2f5;--card:#fff;--line:#d9d9d9;--line2:#f0f0f0;--soft:#f0f9ff;
  --ok:#52c41a;--wa:#faad14;--err:#ff4d4f;
  --r:6px;--grad:linear-gradient(135deg,#1890ff,#096dd9);
}
html,body{margin:0;padding:0}
body{font-family:"Microsoft YaHei","PingFang SC","Helvetica Neue",Arial,sans-serif;background:var(--bg);color:var(--ink);line-height:1.6;font-size:14px}
a{color:var(--c1);text-decoration:none}
a:hover{color:var(--c3)}
img{max-width:100%}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.3}

/* ---------- 公告条 ---------- */
.topbar-announce{background:linear-gradient(90deg,#001529,#096dd9);color:#fff;text-align:center;padding:7px 16px;font-size:12.5px;letter-spacing:.3px}

/* ---------- 导航 ---------- */
.site-nav{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.nav-inner{max-width:1200px;margin:0 auto;padding:0 20px;height:60px;display:flex;align-items:center;gap:24px}
.nav-brand{display:flex;align-items:center;gap:10px;color:var(--ink);font-weight:700;font-size:16px}
.nav-logo{display:inline-flex;width:32px;height:32px;border-radius:8px;background:var(--grad);color:#fff;align-items:center;justify-content:center;font-size:16px;font-weight:800}
.nav-name{white-space:nowrap}
.nav-links{display:flex;gap:6px;flex:1}
.nav-links a{padding:8px 14px;border-radius:8px;color:var(--mut);font-weight:500;transition:.15s}
.nav-links a:hover{background:var(--soft);color:var(--c1)}
.nav-links a.on{color:var(--c1);background:#e6f7ff}
.nav-right{display:flex;align-items:center;gap:8px}
.nav-user{color:var(--mut);font-size:13px;padding:0 6px}
.btn-mini{display:inline-block;padding:7px 16px;border-radius:8px;font-size:13px;font-weight:600;background:var(--grad);color:#fff;transition:.15s}
.btn-mini:hover{filter:brightness(1.08);color:#fff}
.btn-mini.ghost{background:transparent;color:var(--c1);border:1px solid var(--line)}
.btn-mini.ghost:hover{background:var(--soft)}

.site-main{min-height:calc(100vh - 60px - 180px)}

/* ---------- 通用按钮 ---------- */
.btn{display:inline-block;padding:10px 24px;border-radius:8px;font-size:14px;font-weight:600;border:none;cursor:pointer;font-family:inherit;transition:.15s;text-align:center}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 4px 14px rgba(24,144,255,.3)}
.btn-primary:hover{filter:brightness(1.08);color:#fff}
.btn-ghost{background:transparent;color:var(--c1);border:1.5px solid var(--c1)}
.btn-ghost:hover{background:#e6f7ff}
.btn-lg{padding:13px 36px;font-size:15px}
.btn-block{display:block;width:100%}

/* ---------- 通用表单 ---------- */
.field{margin-bottom:16px}
.field label{display:block;font-size:13px;color:var(--mut);margin-bottom:7px;font-weight:500}
.field input:not([type=checkbox]):not([type=radio]),
.field select,.field textarea{
  width:100%;padding:11px 14px;border:1.5px solid var(--line);border-radius:10px;
  font-size:14px;font-family:inherit;color:var(--ink);background:#fcfdff;
  box-shadow:0 1px 2px rgba(0,21,41,.03);
  transition:border-color .18s,box-shadow .18s,background .18s;
}
.field input:not([type=checkbox]):not([type=radio]):hover,
.field select:hover,.field textarea:hover{border-color:var(--c3);background:#fff}
.field input:focus:not([type=checkbox]):not([type=radio]),
.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--c1);background:#fff;
  box-shadow:0 0 0 3.5px rgba(24,144,255,.14),0 1px 2px rgba(0,21,41,.03);
}
.field textarea{min-height:88px;resize:vertical;line-height:1.7}
.field input:disabled,.field input[readonly]{background:#f5f5f5;color:var(--faint);cursor:not-allowed}
.field input::placeholder,.field textarea::placeholder,.field select::placeholder{color:#bfbfbf;transition:opacity .18s}
.field input:focus::placeholder,.field textarea:focus::placeholder{opacity:.55}
input:-webkit-autofill,input:-webkit-autofill:hover,input:-webkit-autofill:focus{
  -webkit-box-shadow:0 0 0 1000px #fff inset;-webkit-text-fill-color:var(--ink);
  transition:background-color 99999s ease-in-out 0s;
}

/* ---------- Hero ---------- */
.hero{background:linear-gradient(160deg,#001529 0%,#096dd9 50%,#1890ff 100%);color:#fff;padding:70px 20px 80px;position:relative;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 80% 20%,rgba(255,255,255,.08),transparent 50%)}
.hero-inner{max-width:1100px;margin:0 auto;position:relative;text-align:center}
.hero-badge{display:inline-block;background:rgba(255,255,255,.15);border:1px solid rgba(255,255,255,.25);padding:5px 18px;border-radius:20px;font-size:13px;margin-bottom:22px}
.hero h1{font-size:42px;margin-bottom:18px;letter-spacing:1px}
.hero-sub{font-size:16px;opacity:.9;max-width:680px;margin:0 auto 32px;line-height:1.8}
.hero-cta{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.hero-cta .btn-primary{background:#fff;color:var(--c1);box-shadow:0 6px 20px rgba(0,0,0,.18)}
.hero-cta .btn-primary:hover{filter:brightness(.96)}
.hero-cta .btn-ghost{color:#fff;border-color:rgba(255,255,255,.5)}
.hero-cta .btn-ghost:hover{background:rgba(255,255,255,.12)}
.hero-stats{display:flex;gap:40px;justify-content:center;margin-top:48px;flex-wrap:wrap}
.hero-stat{text-align:center}
.hero-stat b{display:block;font-size:30px;font-weight:800}
.hero-stat span{font-size:13px;opacity:.8}

/* ---------- 区块通用 ---------- */
.section{max-width:1100px;margin:0 auto;padding:56px 20px}
.section-head{text-align:center;margin-bottom:40px}
.section-head h2{font-size:28px;color:var(--ink);margin-bottom:10px}
.section-head p{color:var(--mut);font-size:14px}

/* ---------- 功能卡 ---------- */
.features{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.feature{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:30px 26px;transition:.2s}
.feature:hover{transform:translateY(-4px);box-shadow:0 12px 30px rgba(24,144,255,.12);border-color:var(--c2)}
.feature-ic{width:52px;height:52px;border-radius:12px;background:linear-gradient(135deg,#e6f7ff,#bae7ff);display:flex;align-items:center;justify-content:center;margin-bottom:18px}
.feature-ic svg{width:28px;height:28px}
.feature h3{font-size:17px;margin-bottom:10px;color:var(--ink)}
.feature p{color:var(--mut);font-size:13.5px;line-height:1.7;margin:0}

/* ---------- 步骤 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;counter-reset:step}
.step{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:26px 22px;position:relative}
.step::before{counter-increment:step;content:counter(step);position:absolute;top:-14px;left:22px;width:30px;height:30px;border-radius:50%;background:var(--grad);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:14px}
.step h4{font-size:15px;margin:8px 0 8px;color:var(--ink)}
.step p{color:var(--mut);font-size:13px;margin:0;line-height:1.6}

/* ---------- 设备库预览 ---------- */
.devcats{display:flex;flex-wrap:wrap;gap:14px;justify-content:center}
.devcat{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:18px 26px;text-align:center;min-width:140px}
.devcat b{display:block;font-size:26px;color:var(--c1)}
.devcat span{color:var(--mut);font-size:13px}

/* ---------- 模板展示 ---------- */
.templates{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.tpl{background:var(--card);border:1px solid var(--line);border-radius:14px;overflow:hidden;transition:.2s;cursor:pointer;display:block;color:inherit}
.tpl:hover{transform:translateY(-3px);box-shadow:0 10px 26px rgba(24,144,255,.14);color:inherit}
.tpl-preview{height:170px;background:var(--soft);display:flex;align-items:center;justify-content:center;border-bottom:1px solid var(--line)}
.tpl-preview svg{width:80%;height:80%}
.tpl-body{padding:16px 20px}
.tpl-body h4{font-size:15px;color:var(--ink)}
.tpl-body p{color:var(--mut);font-size:12.5px;margin:4px 0 0}

/* ---------- CTA 横幅 ---------- */
.cta-band{background:var(--grad);color:#fff;border-radius:16px;padding:40px;text-align:center;margin:0 auto;max-width:1100px}
.cta-band h2{font-size:24px;margin-bottom:8px}
.cta-band p{opacity:.9;margin-bottom:22px}
.cta-band .btn-primary{background:#fff;color:var(--c1)}
.cta-band .btn-primary:hover{filter:brightness(.96)}
.cta-band a:not(.btn){color:#fff;text-decoration:underline;font-weight:600}
.cta-band a:not(.btn):hover{color:#e6f7ff}

/* ---------- 页脚 ---------- */
.site-foot{background:var(--cd);color:rgba(255,255,255,.65);padding:36px 20px;margin-top:20px}
.foot-inner{max-width:1100px;margin:0 auto;display:flex;flex-wrap:wrap;gap:30px;align-items:center;justify-content:space-between}
.foot-brand{display:flex;align-items:center;gap:12px}
.foot-brand b{display:block;color:#fff;font-size:15px}
.foot-brand small{display:block;color:rgba(255,255,255,.45);font-size:12px}
.foot-links{display:flex;gap:18px}
.foot-links a{color:rgba(255,255,255,.65);font-size:13px}
.foot-links a:hover{color:#fff}
.foot-copy{color:rgba(255,255,255,.45);font-size:12px;text-align:right;line-height:1.8}

/* ---------- 认证页 ---------- */
.auth-wrap{min-height:calc(100vh - 60px);display:flex;align-items:center;justify-content:center;padding:40px 20px;background:linear-gradient(160deg,#001529,#096dd9 55%,#1890ff)}
.auth-card{background:#fff;border-radius:16px;box-shadow:0 20px 50px rgba(0,21,41,.3);width:100%;max-width:420px;overflow:hidden}
.auth-head{background:var(--grad);padding:26px 30px;color:#fff;text-align:center}
.auth-head .nav-logo{margin:0 auto 10px;width:40px;height:40px;font-size:18px}
.auth-head h2{font-size:20px}
.auth-head p{font-size:12.5px;opacity:.85;margin:4px 0 0}
.auth-body{padding:28px 30px 32px}
.auth-body .field{margin-bottom:18px}
.auth-foot{text-align:center;margin-top:18px;font-size:13px;color:var(--mut)}
.auth-foot a{font-weight:600}

/* ---------- 闪存消息 ---------- */
.flash{padding:12px 16px;border-radius:8px;margin-bottom:18px;font-size:13.5px}
.flash.ok{background:#f6ffed;color:var(--ok);border:1px solid #b7eb8f}
.flash.err{background:#fff1f0;color:var(--err);border:1px solid #ffa39e}
.flash.warn{background:#fffbe6;color:var(--wa);border:1px solid #ffe58f}

/* ---------- 会员中心 ---------- */
.m-days{font-weight:700;background:linear-gradient(90deg,var(--c1),var(--c2));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.member .lead{color:#434343}

/* ---------- 我的工程 ---------- */
.page-head{max-width:1100px;margin:0 auto;padding:36px 20px 0;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:16px}
.page-head h1{font-size:24px;color:var(--ink)}
.page-head p{color:var(--mut);font-size:13px;margin:6px 0 0}
.proj-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:20px}
.proj-card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:22px;transition:.2s}
.proj-card:hover{box-shadow:0 8px 24px rgba(24,144,255,.1);border-color:var(--c2)}
.proj-card h3{font-size:16px;color:var(--ink);margin-bottom:6px}
.proj-meta{color:var(--faint);font-size:12px;margin-bottom:14px}
.proj-meta span{margin-right:12px}
.proj-actions{display:flex;gap:8px;flex-wrap:wrap}
.proj-actions .btn{padding:7px 16px;font-size:13px}
.btn-sm{padding:6px 14px;font-size:12.5px;border-radius:7px;border:1px solid var(--line);background:var(--soft);color:var(--mut);cursor:pointer;font-family:inherit;transition:.15s}
.btn-sm:hover{background:var(--c1);color:#fff;border-color:var(--c1)}
.btn-sm.danger:hover{background:var(--err);border-color:var(--err)}
.empty-state{text-align:center;padding:60px 20px;color:var(--faint)}
.empty-state h3{color:var(--mut);margin-bottom:8px}

/* ---------- 平台公告 ---------- */
.notice-list{margin-top:8px}
.notice-item{padding:13px 2px;border-bottom:1px dashed var(--line2)}
.notice-item:last-child{border-bottom:none;padding-bottom:4px}
.notice-head{display:flex;justify-content:space-between;align-items:baseline;gap:14px}
.notice-title{font-weight:600;color:var(--ink);font-size:14px}
.notice-title::before{content:"●";color:var(--c1);font-size:10px;margin-right:8px;vertical-align:2px}
.notice-date{flex-shrink:0;font-size:12px;color:var(--faint)}
.notice-body{margin:7px 0 2px;font-size:13px;color:var(--mut);line-height:1.85}

/* ---------- 表格（后台/我的工程） ---------- */
.tbl{width:100%;border-collapse:collapse;background:var(--card);border-radius:10px;overflow:hidden;border:1px solid var(--line)}
.tbl th,.tbl td{padding:11px 14px;text-align:left;font-size:13px;border-bottom:1px solid var(--line2)}
.tbl th{background:var(--soft);color:var(--mut);font-weight:600;font-size:12.5px}
.tbl tr:last-child td{border-bottom:none}
.tbl tr:hover td{background:var(--soft)}
.tag{display:inline-block;padding:2px 10px;border-radius:20px;font-size:11.5px;font-weight:600}
.tag.ok{background:#f6ffed;color:var(--ok)}
.tag.no{background:#fff1f0;color:var(--err)}
.tag.warn{background:#fffbe6;color:var(--wa)}
.tag.info{background:#e6f7ff;color:var(--c1)}

/* ---------- 套餐价格页 ---------- */
.pricing-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:24px;max-width:1100px;margin:0 auto}
.price-card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:32px 28px;position:relative;transition:.2s;display:flex;flex-direction:column}
.price-card:hover{transform:translateY(-4px);box-shadow:0 14px 36px rgba(24,144,255,.13);border-color:var(--c2)}
.price-card.hot{border:2px solid var(--c2);box-shadow:0 8px 30px rgba(24,144,255,.15);transform:scale(1.03)}
.price-card.hot:hover{transform:scale(1.03) translateY(-4px)}
.price-badge{position:absolute;top:-12px;left:50%;transform:translateX(-50%);background:var(--grad);color:#fff;padding:5px 18px;border-radius:20px;font-size:12px;font-weight:600;white-space:nowrap}
.price-head{text-align:center;margin-bottom:24px}
.price-head h3{font-size:20px;color:var(--ink);margin-bottom:14px}
.price-amount{display:flex;align-items:baseline;justify-content:center;gap:2px}
.price-cur{font-size:18px;color:var(--c1);font-weight:600}
.price-num{font-size:42px;color:var(--c1);font-weight:800;line-height:1}
.price-per{font-size:14px;color:var(--faint)}
.price-feats{list-style:none;padding:0;margin:0 0 28px;flex:1}
.price-feats li{padding:8px 0;font-size:13.5px;color:var(--mut);border-bottom:1px solid var(--line2);display:flex;align-items:center;gap:8px}
.price-feats li::before{content:"✓";color:var(--c2);font-weight:700;flex-shrink:0}
.price-feats li b{color:var(--ink);font-weight:600;margin-right:4px}
.price-cta{margin-top:auto}
.price-compare{font-size:13.5px}
.price-compare th,.price-compare td{text-align:center;padding:12px 16px}
.price-compare th:first-child,.price-compare td:first-child{text-align:left;font-weight:600;color:var(--ink)}
.price-compare td{color:var(--c1);font-weight:600}

/* ---------- 条款/政策文档页 ---------- */
.legal{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:34px 38px;max-width:860px;margin:0 auto}
.legal-intro{font-size:13.5px;color:var(--mut);background:var(--soft);border-radius:10px;padding:14px 18px;line-height:1.9}
.legal h3{font-size:15.5px;color:var(--ink);margin:26px 0 10px}
.legal p{font-size:13.5px;color:var(--mut);line-height:1.9;margin:0}
.legal-more{margin-top:26px !important;font-size:13px}
.legal-more a{font-weight:600}

/* ---------- 响应式 ---------- */
@media(max-width:860px){
  .features,.steps,.templates{grid-template-columns:1fr}
  .steps{grid-template-columns:repeat(2,1fr)}
  .hero h1{font-size:30px}
  .hero-stats{gap:24px}
  .nav-links{display:none}
  .foot-inner{flex-direction:column;text-align:center}
  .foot-copy{text-align:center}
}
@media(max-width:560px){
  .steps{grid-template-columns:1fr}
  .section{padding:40px 16px}
  .hero{padding:50px 16px 60px}
}

/* 网页内消息框（模态） */
.modal-mask{position:fixed;inset:0;z-index:999;background:rgba(0,21,41,.45);backdrop-filter:blur(2px);
  display:flex;align-items:center;justify-content:center;padding:20px;animation:maskIn .18s ease}
.modal-box{background:var(--card);border-radius:14px;box-shadow:0 18px 50px rgba(0,0,0,.22);
  width:100%;max-width:400px;padding:26px 26px 22px;animation:boxIn .2s ease}
.modal-box h3{margin:0 0 20px;font-size:17px;color:var(--ink);padding-bottom:14px;border-bottom:1px solid var(--line2)}
.modal-foot{display:flex;justify-content:flex-end;align-items:center;gap:10px;margin-top:22px}
.modal-foot .btn{padding:8px 22px}
@keyframes maskIn{from{opacity:0}to{opacity:1}}
@keyframes boxIn{from{opacity:0;transform:translateY(14px) scale(.97)}to{opacity:1;transform:none}}

/* 网页内消息框（模态） */
.modal-mask{position:fixed;inset:0;z-index:999;background:rgba(0,21,41,.45);backdrop-filter:blur(2px);
  display:flex;align-items:center;justify-content:center;padding:20px;animation:maskIn .18s ease}
.modal-box{background:var(--card);border-radius:14px;box-shadow:0 18px 50px rgba(0,0,0,.22);
  width:100%;max-width:400px;padding:26px 26px 22px;animation:boxIn .2s ease}
.modal-box h3{margin:0 0 20px;font-size:17px;color:var(--ink);padding-bottom:14px;border-bottom:1px solid var(--line2)}
.modal-foot{display:flex;justify-content:flex-end;align-items:center;gap:10px;margin-top:22px}
.modal-foot .btn{padding:8px 22px}
@keyframes maskIn{from{opacity:0}to{opacity:1}}
@keyframes boxIn{from{opacity:0;transform:translateY(14px) scale(.97)}to{opacity:1;transform:none}}