:root{
  --yg:#6d28d9; --yg-d:#5b21b6; --yg-l:#f5f3ff;
  --cy:#06b6d4; --cy-d:#0891b2;
  --ink:#1c1a2e; --mut:#6b7280; --line:#e7e3f3;
  --bg:#ffffff; --bg2:#faf9ff;
  --radius:16px; --shadow:0 18px 50px rgba(76,29,149,.14);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--bg);line-height:1.7;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
.wrap{max-width:1180px;margin:0 auto;padding:0 22px}
.mono{font-family:"SFMono-Regular",Consolas,"Liberation Mono",monospace;letter-spacing:.5px}

/* 导航 */
.nav{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.82);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.nav .wrap{display:flex;align-items:center;height:66px;justify-content:space-between}
.logo{display:flex;align-items:center;gap:11px;font-weight:800;font-size:19px}
.logo .mk{width:34px;height:34px;border-radius:9px;background:linear-gradient(135deg,var(--yg),var(--cy));color:#fff;display:grid;place-items:center;font-size:16px;font-weight:900}
.logo small{display:block;font-size:11px;font-weight:600;color:var(--mut);letter-spacing:2px}
.menu{display:flex;gap:30px;align-items:center}
.menu a{font-size:15px;color:var(--mut);font-weight:600;transition:.2s}
.menu a:hover{color:var(--yg)}
.btn{display:inline-block;padding:11px 22px;border-radius:11px;font-weight:700;font-size:15px;cursor:pointer;border:none;transition:.2s}
.btn-cta{background:linear-gradient(135deg,var(--yg),var(--cy));color:#fff;box-shadow:0 10px 26px rgba(109,40,217,.32)}
.btn-cta:hover{transform:translateY(-2px)}
.btn-ghost{background:var(--yg-l);color:var(--yg-d);border:1px solid var(--line)}
.btn-ghost:hover{background:#efeafe}

/* Hero + 查询卡 */
.hero{position:relative;overflow:hidden;background:radial-gradient(1200px 500px at 75% -10%,rgba(6,182,212,.25),transparent),linear-gradient(135deg,#2e1065,#4c1d95 55%,#5b21b6);color:#fff;padding:74px 0 86px}
.hero::after{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(255,255,255,.07) 1px,transparent 1px);background-size:26px 26px;opacity:.5;pointer-events:none}
.hero .wrap{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center;position:relative;z-index:1}
.hero h1{font-size:42px;line-height:1.22;font-weight:850;letter-spacing:-.5px}
.hero h1 .hl{background:linear-gradient(90deg,#a5f3fc,#c4b5fd);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p.sub{margin-top:18px;font-size:17px;color:#d9d2f5;max-width:520px}
.hero .tags{margin-top:22px;display:flex;flex-wrap:wrap;gap:10px}
.hero .tags span{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18);padding:6px 13px;border-radius:999px;font-size:13px;color:#ece9fb}
.qcard{background:rgba(255,255,255,.97);border-radius:20px;padding:26px;color:var(--ink);box-shadow:var(--shadow)}
.qcard h3{font-size:18px;margin-bottom:4px}
.qcard .tip{font-size:13px;color:var(--mut);margin-bottom:16px}
.qcard input[type=text]{width:100%;padding:13px 15px;border:1.5px solid var(--line);border-radius:11px;font-size:15px;outline:none;transition:.2s}
.qcard input[type=text]:focus{border-color:var(--yg);box-shadow:0 0 0 4px var(--yg-l)}
.qrow{display:flex;gap:12px;margin-top:12px}
.qrow input{flex:1}
.qcard .btn{width:100%;margin-top:14px;justify-content:center;text-align:center}
.cert{margin-top:14px;border-radius:12px;padding:14px 16px;font-size:14px}
.cert.ok{background:#ecfdf5;border:1px solid #a7f3d0;color:#065f46}
.cert.ok .ok{color:#047857;font-size:16px;margin-bottom:8px}
.cert.notfound{background:#fef2f2;border:1px solid #fecaca;color:#991b1b}
.cert.loading{background:var(--yg-l);color:var(--yg-d)}
.cert .kv{margin:0}
.cert .row{display:flex;justify-content:space-between;gap:12px;padding:6px 0;border-top:1px dashed var(--line)}
.cert .row:first-child{border-top:none}
.cert .k{color:var(--mut);font-size:13px}
.cert .v{font-weight:700;text-align:right}

/* 统计条 */
.stats{background:var(--yg-l);border-bottom:1px solid var(--line)}
.stats .wrap{display:grid;grid-template-columns:repeat(5,1fr);gap:18px;padding:30px 22px}
.stat{text-align:center}
.stat b{display:block;font-size:30px;font-weight:850;color:var(--yg);line-height:1.1}
.stat span{font-size:13px;color:var(--mut)}

/* 通用区块 */
section.block{padding:68px 0}
section.block.alt{background:var(--bg2)}
.eyebrow{color:var(--cy-d);font-weight:800;font-size:13px;letter-spacing:3px;text-transform:uppercase}
.h2{font-size:30px;font-weight:830;margin:8px 0 10px;letter-spacing:-.4px}
.lead{color:var(--mut);max-width:680px;font-size:16px}
.head-c{text-align:center;margin-bottom:42px}

/* 卡片网格 */
.grid{display:grid;gap:20px}
.grid.c3{grid-template-columns:repeat(3,1fr)}
.grid.c2{grid-template-columns:repeat(2,1fr)}
.grid.c4{grid-template-columns:repeat(4,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;transition:.22s}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#ddd2f7}
.card .ic{width:46px;height:46px;border-radius:12px;background:linear-gradient(135deg,var(--yg-l),#e0f7fb);display:grid;place-items:center;font-size:22px;margin-bottom:14px}
.card h4{font-size:17px;margin-bottom:7px}
.card p{font-size:14px;color:var(--mut)}
.card .lab{display:inline-block;margin-top:12px;font-size:12px;font-weight:700;color:var(--yg-d);background:var(--yg-l);padding:3px 10px;border-radius:999px}

/* 资质条 */
.badges{display:flex;flex-wrap:wrap;gap:12px;margin-top:8px}
.badge{display:flex;align-items:center;gap:10px;background:#fff;border:1px solid var(--line);border-radius:12px;padding:13px 17px;font-weight:700;font-size:14px}
.badge .dot{width:9px;height:9px;border-radius:50%;background:linear-gradient(135deg,var(--yg),var(--cy))}

/* 关于 */
.about{display:grid;grid-template-columns:1.1fr .9fr;gap:46px;align-items:center}
.about p{color:#3f3a55;margin-bottom:14px}
.about ul{list-style:none;display:grid;gap:10px;margin-top:6px}
.about li{padding-left:26px;position:relative;color:#3f3a55;font-size:15px}
.about li::before{content:"✓";position:absolute;left:0;top:0;color:var(--cy-d);font-weight:900}
.panel{background:linear-gradient(135deg,#faf5ff,#ecfeff);border:1px solid var(--line);border-radius:20px;padding:30px}
.panel .row{display:flex;justify-content:space-between;padding:13px 0;border-bottom:1px dashed var(--line)}
.panel .row:last-child{border-bottom:none}
.panel .k{color:var(--mut);font-size:14px}
.panel .v{font-weight:800}

/* CTA 带 */
.cta{background:linear-gradient(135deg,var(--yg),var(--cy-d));color:#fff;border-radius:22px;padding:46px;text-align:center;margin:0 0 8px}
.cta h3{font-size:26px;margin-bottom:10px}
.cta p{color:#e6f7fb;margin-bottom:22px}

/* 流程 */
.flow{display:grid;grid-template-columns:repeat(5,1fr);gap:14px;counter-reset:s}
.step{background:#fff;border:1px solid var(--line);border-radius:14px;padding:20px 16px;position:relative}
.step .n{counter-increment:s;width:30px;height:30px;border-radius:50%;background:var(--yg-l);color:var(--yg-d);display:grid;place-items:center;font-weight:900;margin-bottom:10px}
.step .n::before{content:counter(s)}
.step h5{font-size:15px;margin-bottom:5px}
.step p{font-size:13px;color:var(--mut)}

/* 留言 */
.msg{max-width:620px;margin:0 auto}
.field{margin-bottom:16px}
.field label{display:block;font-size:14px;font-weight:700;margin-bottom:7px}
.field input,.field textarea{width:100%;padding:12px 14px;border:1.5px solid var(--line);border-radius:11px;font-size:15px;outline:none;font-family:inherit;transition:.2s}
.field input:focus,.field textarea:focus{border-color:var(--yg);box-shadow:0 0 0 4px var(--yg-l)}
.field textarea{min-height:130px;resize:vertical}
.note{background:var(--yg-l);border:1px solid var(--line);border-radius:12px;padding:14px 16px;font-size:14px;color:var(--yg-d);margin-bottom:22px}

/* 页脚 */
.foot{background:#1c1530;color:#cbbfe8;padding:48px 0 30px;margin-top:0}
.foot .wrap{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:34px}
.foot h5{color:#fff;font-size:15px;margin-bottom:14px}
.foot a{display:block;color:#b9aede;font-size:14px;padding:5px 0;transition:.2s}
.foot a:hover{color:#fff}
.foot .lg{font-size:18px;font-weight:800;color:#fff;margin-bottom:10px}
.foot .cp{border-top:1px solid #352a52;margin-top:30px;padding-top:18px;font-size:13px;color:#8b7fb3;text-align:center}

/* 响应式 */
@media(max-width:900px){
  .hero .wrap{grid-template-columns:1fr;gap:34px}
  .hero h1{font-size:33px}
  .stats .wrap{grid-template-columns:repeat(2,1fr)}
  .grid.c3,.grid.c4{grid-template-columns:repeat(2,1fr)}
  .about,.grid.c2{grid-template-columns:1fr}
  .flow{grid-template-columns:repeat(2,1fr)}
  .menu{display:none}
  .foot .wrap{grid-template-columns:1fr}
}
@media(max-width:560px){
  .grid.c3,.grid.c4,.grid.c2{grid-template-columns:1fr}
  .stats .wrap{grid-template-columns:repeat(2,1fr)}
}