/* 量谷云 GEO · 站点样式
   色系：深夜蓝、荧光青、信号蓝 */

:root{
  --ink:#0d1626;
  --ink-2:#31415a;
  --ink-3:#6b7a90;
  --line:#e3e8f0;
  --paper:#f7f9fc;
  --white:#fff;
  --blue:#1f6feb;
  --blue-d:#0f4bb0;
  --cyan:#12b8a6;
  --violet:#6d5efc;
  --gold:#c8952f;
  --wrap:1160px;
  --radius:10px;
  --shadow:0 2px 14px rgba(13,22,38,.07);
}

*{box-sizing:border-box}
body{
  margin:0;color:var(--ink);background:var(--white);
  font:15px/1.8 -apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
}
img,svg{max-width:100%}
a{color:var(--blue);text-decoration:none}
a:hover{color:var(--cyan)}
.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 20px}
h1,h2,h3,h4{font-weight:700;line-height:1.4;color:var(--ink);margin:0;letter-spacing:-.2px}

/* 顶栏 */
.topbar{background:#08101c;color:#8fa0b8;font-size:12.5px}
.topbar .wrap{display:flex;justify-content:space-between;align-items:center;height:34px;gap:16px}
.topbar a{color:#cfe0f5;font-weight:600}
.topbar a:hover{color:#3ddc97}

/* 头部 */
.site-head{background:#0d1727;border-bottom:1px solid rgba(255,255,255,.07);position:sticky;top:0;z-index:30}
.site-head .wrap{display:flex;align-items:center;gap:22px;padding-top:12px;padding-bottom:12px}
.brand{display:flex;align-items:center;gap:11px;color:#fff;flex:0 0 auto}
.brand-mark{width:40px;height:40px;flex:0 0 40px}
.brand-text strong{display:block;font-size:20px;letter-spacing:3px;color:#fff;line-height:1.2}
.brand-text em{display:block;font-style:normal;font-size:11px;color:#7f93ad;letter-spacing:1.4px;margin-top:2px}
.head-nav{display:flex;gap:1px;flex:1;flex-wrap:wrap;min-width:0}
.head-nav a{color:#c3d2e6;font-size:13.5px;padding:8px 9px;border-radius:6px;letter-spacing:0;white-space:nowrap}
.head-nav a:hover{background:rgba(255,255,255,.07);color:#fff}
.head-nav a.on{background:rgba(79,155,255,.16);color:#8ec2ff}
.head-cta{
  flex:0 0 auto;background:linear-gradient(120deg,#1f6feb,#12b8a6);color:#fff;
  padding:9px 16px;border-radius:8px;font-size:13.5px;font-weight:600;white-space:nowrap;
}
.head-cta b{font-weight:700;letter-spacing:.4px}
.head-cta:hover{color:#fff;filter:brightness(1.08)}
.navtoggle{display:none}
.mnav{display:none}

/* Hero */
.hero{position:relative;background:#080f1a;color:#fff;overflow:hidden}
.hero svg.hero-bg{display:block;width:100%;height:auto;opacity:.95}
.hero-inner{
  position:absolute;inset:0;display:flex;flex-direction:column;justify-content:center;
  padding:0 max(20px,6vw);
}
.hero .tag{
  align-self:flex-start;font-size:12px;letter-spacing:2px;color:#8ee6c8;
  border:1px solid rgba(61,220,151,.35);background:rgba(18,184,166,.1);
  padding:4px 12px;border-radius:20px;margin-bottom:18px;
}
.hero h1{color:#fff;font-size:clamp(26px,3.6vw,44px);letter-spacing:1px;line-height:1.35;margin:0 0 16px}
.hero h1 em{font-style:normal;background:linear-gradient(100deg,#3ddc97,#4f9bff 60%,#a78bfa);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p.lead{color:#a9bad1;font-size:15px;max-width:600px;margin:0 0 24px}
.hero-acts{display:flex;gap:12px;flex-wrap:wrap}
.btn-primary{display:inline-block;background:linear-gradient(120deg,#1f6feb,#12b8a6);color:#fff;padding:11px 24px;border-radius:8px;font-size:14.5px;font-weight:600}
.btn-primary:hover{color:#fff;filter:brightness(1.08)}
.btn-ghost{display:inline-block;border:1px solid rgba(255,255,255,.35);color:#dbe6f5;padding:11px 22px;border-radius:8px;font-size:14.5px}
.btn-ghost:hover{background:rgba(255,255,255,.1);color:#fff}
.btn-line{display:inline-block;border:1px solid var(--blue);color:var(--blue);padding:8px 16px;border-radius:6px;font-size:13.5px;margin-top:12px}
.btn-line:hover{background:var(--blue);color:#fff}

/* 数据条 */
.statbar{background:#0d1727;border-top:1px solid rgba(255,255,255,.06)}
.statbar ul{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,1fr)}
.statbar li{padding:18px 22px;border-right:1px solid rgba(255,255,255,.06)}
.statbar li:last-child{border-right:0}
.statbar b{display:block;font-size:22px;color:#8ec2ff;letter-spacing:.5px}
.statbar span{font-size:12.5px;color:#7f93ad}

/* 区块 */
section.block{padding:56px 0}
section.block.alt{background:var(--paper)}
.sec-head{margin-bottom:28px;max-width:760px}
.sec-head .kicker{font-size:12px;letter-spacing:2px;color:var(--cyan);font-weight:700;text-transform:uppercase}
.sec-head h2{font-size:clamp(21px,2.4vw,29px);letter-spacing:-.4px;margin:8px 0 10px}
.sec-head p{margin:0;color:var(--ink-2);font-size:14.5px}
.sec-head.center{text-align:center;margin-left:auto;margin-right:auto}

/* 答案框（GEO 标准区块） */
.answer-box{
  border-left:3px solid var(--cyan);background:#f2fbf9;border-radius:0 10px 10px 0;
  padding:18px 22px;margin:0 0 26px;
}
.ab-q{font-weight:700;color:#0b5f56;margin:0 0 8px;font-size:16.5px}
.ab-a{margin:0;color:#25403c;font-size:15px;line-height:1.85}
.ab-a strong{color:#0b5f56}

/* 服务卡 */
.svc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.svc{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px 22px;box-shadow:var(--shadow);transition:.2s}
.svc:hover{transform:translateY(-3px);box-shadow:0 10px 26px rgba(13,22,38,.1);border-color:#cfe0f5}
.svc .num{font-size:12px;color:var(--cyan);font-weight:700;letter-spacing:2px}
.svc h3{font-size:18px;margin:6px 0 8px}
.svc p{margin:0 0 12px;font-size:13.5px;color:var(--ink-2);line-height:1.8}
.svc ul{margin:0;padding-left:18px;font-size:13px;color:var(--ink-3);line-height:1.9}
.svc .more{display:inline-block;margin-top:12px;font-size:13px;font-weight:600}

/* 三步/流程 */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;counter-reset:step}
.flow .step{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px;position:relative}
.flow .step::before{
  counter-increment:step;content:"0" counter(step);
  font-size:12px;font-weight:700;color:#fff;background:var(--blue);
  display:inline-block;padding:2px 8px;border-radius:4px;margin-bottom:10px;letter-spacing:1px;
}
.flow h4{font-size:15.5px;margin:0 0 6px}
.flow p{margin:0;font-size:13px;color:var(--ink-2);line-height:1.75}

/* 表格 */
.data-table{width:100%;border-collapse:collapse;font-size:14px;margin:0 0 8px;background:#fff}
.data-table th,.data-table td{border:1px solid var(--line);padding:11px 14px;text-align:left;vertical-align:top}
.data-table th{background:#eef3fa;font-weight:700;color:#16233a}
.data-table tr:nth-child(even) td{background:#fbfcfe}

/* 正文 */
.page-body{padding:40px 0 60px}
.cols{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:36px;align-items:start}
.cols>*{min-width:0}
.article{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:32px 36px 36px}
.article h2{font-size:22px;margin:32px 0 12px;letter-spacing:-.3px}
.article h2:first-child{margin-top:0}
.article h3{font-size:17px;margin:24px 0 8px;color:var(--ink)}
.article p{margin:0 0 14px;font-size:15px;line-height:1.95;color:#22303f}
.article ul,.article ol{margin:0 0 16px;padding-left:22px;font-size:15px;line-height:1.95;color:#22303f}
.article li{margin-bottom:6px}
.article blockquote{margin:18px 0;padding:14px 18px;background:var(--paper);border-left:3px solid var(--blue);color:var(--ink-2);font-size:14.5px}
.article strong{color:#0f1d33}
.note{background:#fff8e8;border:1px solid #ecdcb5;border-radius:8px;padding:13px 16px;font-size:13.5px;color:#7a5c14;margin:18px 0}

/* 页头 */
.page-head{background:linear-gradient(180deg,#0d1727,#132038);color:#fff;padding:34px 0 30px}
.page-head h1{color:#fff;font-size:30px;letter-spacing:-.5px}
.page-head .ph-sub{margin:10px 0 0;color:#a9bad1;font-size:14.5px;max-width:840px}
.crumb{font-size:12.5px;color:#7f93ad;margin-bottom:10px}
.crumb a{color:#9db1c9}
.crumb a:hover{color:#3ddc97}
.crumb i{font-style:normal;margin:0 7px;opacity:.5}
.crumb span{color:#c3d2e6}
.page-head.slim{padding:14px 0 12px}

/* 侧栏 */
.side-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px 22px;margin-bottom:20px;box-shadow:var(--shadow)}
.sc-title{font-size:15px;font-weight:700;margin:0 0 12px;padding-left:10px;border-left:3px solid var(--blue)}
.side-cta{background:linear-gradient(160deg,#101d31,#0a1424);border:0;color:#c3d2e6}
.side-cta .sc-title{color:#8ec2ff;border-left-color:var(--cyan)}
.sc-name{margin:0;font-size:13px;color:#8fa0b8}
.sc-tel{margin:2px 0 12px;font-size:24px;font-weight:700;letter-spacing:.5px}
.sc-tel a{color:#fff}
.sc-tel a:hover{color:#3ddc97}
.sc-list{list-style:none;margin:0 0 4px;padding:0;font-size:13px;color:#9db1c9}
.sc-list li{padding:5px 0 5px 16px;position:relative;line-height:1.7}
.sc-list li::before{content:"";position:absolute;left:0;top:13px;width:5px;height:5px;border-radius:50%;background:var(--cyan)}
.side-cta .btn-line{border-color:rgba(79,155,255,.6);color:#8ec2ff}
.side-cta .btn-line:hover{background:var(--blue);color:#fff;border-color:var(--blue)}
.sc-news{list-style:none;margin:0;padding:0;font-size:13.5px}
.sc-news li{display:flex;gap:8px;justify-content:space-between;padding:8px 0;border-bottom:1px dashed var(--line)}
.sc-news li:last-child{border-bottom:0}
.sc-news a{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:#31415a}
.sc-news a:hover{color:var(--blue)}
.sc-news span{color:var(--ink-3);font-size:12px}

/* FAQ */
.faq-list{margin:0;padding:0}
.faq-list details{border:1px solid var(--line);border-radius:8px;background:#fff;margin-bottom:10px;padding:0 18px}
.faq-list summary{cursor:pointer;list-style:none;padding:15px 0;font-weight:600;font-size:15.5px;color:#16233a;position:relative;padding-right:28px}
.faq-list summary::-webkit-details-marker{display:none}
.faq-list summary::after{content:"+";position:absolute;right:0;top:13px;font-size:20px;color:var(--blue);font-weight:400}
.faq-list details[open] summary::after{content:"−"}
.faq-list details p{margin:0 0 16px;font-size:14.5px;line-height:1.9;color:#31415a}

/* 卡片列表 */
.card-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow);display:flex;flex-direction:column}
.card .cdate{font-size:12px;color:var(--cyan);font-weight:700;margin:0 0 6px;letter-spacing:.5px}
.card h3{font-size:17.5px;line-height:1.55;margin:0 0 8px}
.card h3 a{color:#16233a}
.card h3 a:hover{color:var(--blue)}
.card p{margin:0 0 12px;font-size:13.5px;color:var(--ink-2);line-height:1.8}
.card .cmore{margin-top:auto;font-size:13px;color:var(--ink-3)}
.pager{display:flex;gap:8px;justify-content:center;margin-top:30px}
.pager a,.pager span{border:1px solid var(--line);background:#fff;padding:6px 13px;border-radius:6px;font-size:13.5px;color:var(--ink-2)}
.pager .cur{background:var(--blue);border-color:var(--blue);color:#fff}

/* 文章 */
.art-title{font-size:28px;line-height:1.5;letter-spacing:-.4px;margin-bottom:12px}
.art-meta{font-size:12.5px;color:var(--ink-3);border-bottom:1px solid var(--line);padding-bottom:14px;margin-bottom:24px;display:flex;gap:14px;flex-wrap:wrap}
.art-foot{margin-top:30px;padding-top:18px;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:var(--ink-3)}
.tagline{display:flex;gap:8px;flex-wrap:wrap;margin-top:6px}
.tagline span{font-size:12px;color:var(--ink-3);border:1px solid var(--line);border-radius:20px;padding:2px 10px;background:#fff}

/* CTA 带 */
.cta-band{background:linear-gradient(115deg,#0d1727,#15325c 60%,#0f6a63);color:#fff;padding:40px 0}
.cta-band .wrap{display:flex;justify-content:space-between;align-items:center;gap:28px;flex-wrap:wrap}
.cb-title{font-size:22px;font-weight:700;margin:0 0 8px;color:#fff}
.cb-sub{margin:0;color:#a9bad1;font-size:13.5px;max-width:620px}
.cb-acts{display:flex;gap:12px;flex-wrap:wrap}

/* 联系表单 */
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-bottom:14px}
.form-row.full{grid-template-columns:1fr}
label{display:block;font-size:13px;color:var(--ink-2);margin-bottom:5px}
input[type=text],input[type=tel],select,textarea{
  width:100%;border:1px solid var(--line);background:#fff;border-radius:6px;padding:10px 12px;
  font:inherit;font-size:14px;color:var(--ink)
}
textarea{min-height:110px;resize:vertical}
input:focus,textarea:focus,select:focus{outline:2px solid rgba(31,111,235,.18);border-color:var(--blue)}
.btn-submit{background:linear-gradient(120deg,#1f6feb,#12b8a6);color:#fff;border:0;padding:12px 28px;border-radius:8px;font:inherit;font-size:14.5px;font-weight:600;cursor:pointer}
.btn-submit:hover{filter:brightness(1.08)}
.form-tip{font-size:12.5px;color:var(--ink-3);margin-top:10px}

/* 页脚 */
.site-foot{background:#0a1220;color:#8fa0b8}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:30px;padding-top:44px;padding-bottom:34px}
.fb-name{font-size:18px;color:#fff;margin:0 0 10px;letter-spacing:1px}
.fb-desc{font-size:13px;line-height:1.85;margin:0 0 12px;color:#7f93ad}
.fb-tel{font-size:14px;color:#c3d2e6;margin:0}
.fb-tel a{color:#3ddc97;font-weight:700;font-size:17px}
.fc-title{font-size:14px;color:#fff;margin:0 0 12px;padding-bottom:8px;border-bottom:1px solid rgba(255,255,255,.1)}
.fc-list{list-style:none;margin:0;padding:0;font-size:12.5px;line-height:2.1}
.fc-list a{color:#8fa0b8}
.fc-list a:hover{color:#3ddc97}
.foot-bar{border-top:1px solid rgba(255,255,255,.08);padding:14px 0;font-size:12px;color:#5f718a}
.foot-bar .wrap{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}

/* 响应式 */
@media (max-width:1040px){
  .head-nav{display:none}
  .head-cta{display:none}
  .navtoggle{display:block;margin-left:auto;background:rgba(255,255,255,.08);border:0;color:#c3d2e6;font:inherit;font-size:13.5px;padding:8px 12px;border-radius:6px;cursor:pointer}
  .mnav{display:none;list-style:none;margin:0;padding:0 0 12px;width:100%}
  .mnav.open{display:block}
  .mnav a{display:block;color:#c3d2e6;padding:10px 4px;border-bottom:1px solid rgba(255,255,255,.07);font-size:14px}
  .site-head .wrap{flex-wrap:wrap}
  .svc-grid{grid-template-columns:repeat(2,1fr)}
  .flow{grid-template-columns:repeat(2,1fr)}
  .cols{grid-template-columns:1fr}
  .card-grid{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr 1fr}
  .statbar ul{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:720px){
  .topbar .wrap{height:auto;padding:6px 0;flex-wrap:wrap;justify-content:center;text-align:center;gap:4px}
  .brand-text strong{font-size:17px;letter-spacing:2px}
  .brand-text em{font-size:10px}
  .hero-inner{position:static;padding:26px 20px 30px;background:#080f1a}
  .hero h1{font-size:24px}
  .hero p.lead{font-size:14px}
  .svc-grid,.flow,.form-row{grid-template-columns:1fr}
  .article{padding:22px 20px 26px}
  .article table{font-size:13px}
  .page-head h1{font-size:23px}
  section.block{padding:36px 0}
  .cb-title{font-size:19px}
  .foot-grid{grid-template-columns:1fr;gap:22px}
  .art-title{font-size:21px}
  .data-table{display:block;overflow-x:auto;white-space:nowrap}
}