/* ============================================================
   题如云平台 · 全站样式
   运营主体：四川中也安全科技有限公司
   ============================================================ */
:root{
  --primary:#2f6fed;
  --primary-d:#1e56c8;
  --primary-dd:#17439e;
  --primary-l:#eaf1ff;
  --accent:#ff7a2f;
  --accent-d:#f06412;
  --accent-l:#fff1e6;
  --ink:#222a38;
  --ink-2:#5b6474;
  --ink-3:#97a1b1;
  --line:#e6eaf1;
  --bg:#f7f9fc;
  --card:#ffffff;
  --ok:#16a34a;
  --warn:#d97706;
  --r:14px;
  --r-s:10px;
  --shadow:0 12px 32px rgba(31,58,120,.09);
  --shadow-sm:0 4px 14px rgba(31,58,120,.07);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  color:var(--ink);background:var(--bg);font-size:15px;line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
img{max-width:100%}
ul,ol{list-style:none}
.wrap{width:min(1200px,92%);margin:0 auto}
.wrap-n{width:min(1060px,92%);margin:0 auto}

/* ---------- 顶部信息条 ---------- */
.topbar{background:#13233f;color:#cdd9ee;font-size:12.5px}
.topbar .wrap{display:flex;justify-content:space-between;align-items:center;min-height:34px;gap:12px}
.topbar a{color:#cdd9ee}
.topbar a:hover{color:#fff}
.topbar .tb-r{display:flex;gap:16px;align-items:center}

/* ---------- 站点头部 ---------- */
.site-header{position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid var(--line);transition:box-shadow .25s}
.site-header.scrolled{box-shadow:0 6px 18px rgba(31,58,120,.08)}
.hd{display:flex;align-items:center;gap:22px;height:70px}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo .lg-ic{width:40px;height:40px;border-radius:11px;background:linear-gradient(135deg,#2f6fed,#6aa6ff);display:flex;align-items:center;justify-content:center;box-shadow:0 6px 14px rgba(47,111,237,.32)}
.logo .lg-tx{font-size:21px;font-weight:800;letter-spacing:.5px;color:var(--ink)}
.logo .lg-tx em{font-style:normal;color:var(--primary)}
.logo .lg-sub{font-size:11px;color:var(--ink-3);display:block;margin-top:-2px;letter-spacing:1.5px}
.nav-links{display:flex;gap:4px;margin-left:8px}
.nav-links a{padding:8px 14px;border-radius:9px;font-size:15px;color:var(--ink-2);font-weight:500;transition:.2s}
.nav-links a:hover{color:var(--primary);background:var(--primary-l)}
.nav-links a.current{color:var(--primary);background:var(--primary-l);font-weight:600}
.hd-search{flex:1;max-width:330px;position:relative;margin-left:auto}
.hd-search input{width:100%;height:40px;border:1px solid var(--line);border-radius:20px;padding:0 40px 0 16px;background:#f4f6fa;font-size:14px;outline:none;transition:.2s}
.hd-search input:focus{background:#fff;border-color:var(--primary);box-shadow:0 0 0 3px rgba(47,111,237,.12)}
.hd-search button{position:absolute;right:4px;top:4px;width:32px;height:32px;border:0;border-radius:50%;background:var(--primary);color:#fff;cursor:pointer;display:flex;align-items:center;justify-content:center}
.hd-acts{display:flex;gap:10px;align-items:center;flex-shrink:0}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:7px;border-radius:10px;border:1px solid transparent;font-size:14.5px;font-weight:600;cursor:pointer;transition:.2s;line-height:1;font-family:inherit}
.btn-pd{padding:11px 22px}
.btn-sm{padding:9px 16px;font-size:13.5px}
.btn-p{background:var(--primary);color:#fff;box-shadow:0 6px 14px rgba(47,111,237,.26)}
.btn-p:hover{background:var(--primary-d)}
.btn-o{border-color:#d5dbe6;color:var(--ink-2);background:#fff}
.btn-o:hover{border-color:var(--primary);color:var(--primary)}
.btn-a{background:var(--accent);color:#fff;box-shadow:0 6px 14px rgba(255,122,47,.26)}
.btn-a:hover{background:var(--accent-d)}
.btn-line{border-color:var(--primary);color:var(--primary);background:#fff}
.btn-line:hover{background:var(--primary-l)}
.btn-lg{padding:14px 30px;font-size:16px;border-radius:12px}
.btn-block{width:100%}
.nav-toggle{display:none;width:42px;height:42px;border:1px solid var(--line);background:#fff;border-radius:10px;cursor:pointer;flex-shrink:0;position:relative}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:11px;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:.25s}
.nav-toggle span{top:20px}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.nav-toggle.open span{background:transparent}
.nav-toggle.open span::before{top:0;transform:rotate(45deg)}
.nav-toggle.open span::after{top:0;transform:rotate(-45deg)}

/* ---------- Hero（首页） ---------- */
.hero{position:relative;background:linear-gradient(150deg,#e8f1ff 0%,#f4f8ff 45%,#fff6ee 100%);overflow:hidden}
.hero::before{content:"";position:absolute;width:520px;height:520px;border-radius:50%;right:-160px;top:-200px;background:radial-gradient(circle,rgba(255,122,47,.16),transparent 65%)}
.hero::after{content:"";position:absolute;width:460px;height:460px;border-radius:50%;left:-160px;bottom:-240px;background:radial-gradient(circle,rgba(47,111,237,.14),transparent 65%)}
.hero .wrap{position:relative;z-index:2;display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center;padding:76px 0 84px}
.hero-kicker{display:inline-flex;align-items:center;gap:8px;background:#fff;border:1px solid rgba(47,111,237,.2);color:var(--primary-d);font-size:13px;font-weight:600;padding:6px 14px;border-radius:20px;box-shadow:var(--shadow-sm)}
.hero-kicker .dot{width:7px;height:7px;border-radius:50%;background:var(--ok);box-shadow:0 0 0 3px rgba(22,163,74,.18)}
.hero h1{font-size:44px;line-height:1.25;font-weight:800;margin:20px 0 14px;letter-spacing:.5px}
.hero h1 .hl{color:var(--primary)}
.hero .lead{font-size:16.5px;color:var(--ink-2);max-width:560px}
.hero .lead b{color:var(--ink)}
.hero-acts{display:flex;gap:14px;margin-top:30px;flex-wrap:wrap}
.hero-trust{display:flex;gap:26px;margin-top:36px;flex-wrap:wrap}
.hero-trust li{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--ink-2)}
.hero-trust .t-ic{width:22px;height:22px;border-radius:50%;background:#fff;border:1px solid rgba(47,111,237,.25);color:var(--ok);display:flex;align-items:center;justify-content:center;font-size:12px;flex-shrink:0}
.hero-visual{position:relative}
.hv-card{background:#fff;border-radius:18px;box-shadow:0 24px 60px rgba(31,58,120,.16);overflow:hidden}
.hv-top{background:linear-gradient(135deg,#2f6fed,#7ab0ff);color:#fff;padding:22px 24px;display:flex;justify-content:space-between;align-items:center}
.hv-top .hvt-t{font-weight:700;font-size:16px}
.hv-top .hvt-s{font-size:12px;opacity:.85;display:block;margin-top:2px}
.hv-top .hvt-b{display:inline-flex;padding:5px 12px;background:rgba(255,255,255,.2);border-radius:14px;font-size:12px}
.hv-body{padding:6px 24px 20px}
.hv-row{display:flex;align-items:center;gap:14px;padding:15px 0;border-bottom:1px dashed #e7ecf5}
.hv-row:last-child{border-bottom:0}
.hv-ic{width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:22px;flex-shrink:0}
.hv-ic.c1{background:#eef4ff}
.hv-ic.c2{background:#fff1e6}
.hv-ic.c3{background:#e9f9ef}
.hv-meta{flex:1;min-width:0}
.hv-meta .t{font-size:14px;font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.hv-meta .s{font-size:12px;color:var(--ink-3)}
.hv-tag{font-size:11.5px;color:var(--primary);background:var(--primary-l);padding:4px 10px;border-radius:12px;white-space:nowrap}
.hv-tag.g{color:var(--accent-d);background:var(--accent-l)}
.hv-float{position:absolute;left:-26px;top:-26px;background:var(--accent);color:#fff;border-radius:16px;padding:12px 16px;box-shadow:0 14px 30px rgba(255,122,47,.4);text-align:center;z-index:3}
.hv-float .n{font-size:24px;font-weight:800;line-height:1.1}
.hv-float .s{font-size:11.5px;opacity:.92}
.hv-float2{position:absolute;right:-20px;bottom:34px;background:#fff;border-radius:14px;padding:10px 14px;box-shadow:var(--shadow);display:flex;gap:10px;align-items:center;z-index:3}
.hv-float2 .ic{width:36px;height:36px;border-radius:10px;background:#e9f9ef;display:flex;align-items:center;justify-content:center;font-size:18px}
.hv-float2 .t{font-size:12.5px;font-weight:600}
.hv-float2 .s{font-size:11px;color:var(--ok)}

/* ---------- 通用区块 ---------- */
.section{padding:64px 0}
.section.alt{background:#fff}
.sec-head{text-align:center;margin-bottom:38px}
.sec-head .tag{display:inline-flex;align-items:center;gap:6px;font-size:12.5px;font-weight:700;letter-spacing:2px;color:var(--primary);text-transform:uppercase}
.sec-head h2{font-size:30px;font-weight:800;margin:10px 0 8px}
.sec-head p{color:var(--ink-2);font-size:15px;max-width:640px;margin:0 auto}
.sec-head.l{text-align:left}
.sec-head.l p{margin:0}
.sec-top{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px;flex-wrap:wrap}
.sec-top h2{font-size:26px;font-weight:800}
.sec-top .sub{color:var(--ink-2);font-size:14px;margin-top:4px}
.more-link{color:var(--primary);font-weight:600;font-size:14.5px;display:inline-flex;align-items:center;gap:5px;white-space:nowrap}
.more-link:hover{gap:9px;transition:.2s}

/* ---------- 模式说明（平台性质，重要） ---------- */
.model-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.model-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:30px 26px;position:relative;transition:.25s}
.model-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.model-card .no{position:absolute;top:20px;right:22px;font-size:40px;font-weight:800;color:#eef2f9;line-height:1}
.model-card .mc-ic{width:54px;height:54px;border-radius:14px;display:flex;align-items:center;justify-content:center;font-size:26px;margin-bottom:16px}
.model-card .mc-ic.i1{background:var(--primary-l)}
.model-card .mc-ic.i2{background:var(--accent-l)}
.model-card .mc-ic.i3{background:#e9f9ef}
.model-card h3{font-size:18px;font-weight:700;margin-bottom:9px}
.model-card p{color:var(--ink-2);font-size:14px}
.model-card p b{color:var(--ink)}
.model-note{margin-top:26px;background:#fff8f2;border:1px solid #ffe0c4;border-left:4px solid var(--accent);border-radius:10px;padding:14px 18px;font-size:13.5px;color:#8a5a33;display:flex;gap:10px;align-items:flex-start}
.model-note .ic{flex-shrink:0}

/* ---------- 商品卡片 ---------- */
.prod-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.pcard{background:#fff;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;display:flex;flex-direction:column;transition:.25s}
.pcard:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#dfe6f2}
.pmedia{height:186px;position:relative;display:flex;align-items:center;justify-content:center;font-size:64px}
.pmedia .flag{position:absolute;top:12px;left:12px;background:rgba(255,255,255,.92);color:var(--ink-2);font-size:11.5px;padding:3px 10px;border-radius:12px;font-weight:600;box-shadow:var(--shadow-sm)}
.pmedia .seller-ic{position:absolute;bottom:10px;right:12px;font-size:11px;color:rgba(255,255,255,.9);background:rgba(0,0,0,.14);padding:2px 9px;border-radius:10px}
.pg1{background:linear-gradient(140deg,#dbe7ff,#f0f5ff)}
.pg2{background:linear-gradient(140deg,#ffe9da,#fff6ef)}
.pg3{background:linear-gradient(140deg,#e2f3e7,#f3fbf5)}
.pg4{background:linear-gradient(140deg,#f3e8ff,#faf3ff)}
.pg5{background:linear-gradient(140deg,#ffecf0,#fff7f8)}
.pg6{background:linear-gradient(140deg,#e6f6f8,#f2fbfc)}
.pbody{padding:14px 16px 16px;display:flex;flex-direction:column;gap:7px;flex:1}
.pname{font-size:15px;font-weight:600;line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.pshop{display:flex;align-items:center;gap:5px;font-size:12px;color:var(--ink-3)}
.pshop .ic{color:var(--primary);font-size:11px}
.pfoot{display:flex;align-items:center;justify-content:space-between;margin-top:auto;padding-top:4px}
.pprice{color:var(--accent-d);font-weight:800;font-size:19px}
.pprice small{font-size:12.5px;font-weight:600}
.pbuy{background:var(--primary);color:#fff;font-size:12.5px;padding:7px 14px;border-radius:9px;font-weight:600}
.pbuy:hover{background:var(--primary-d)}
.pnote{margin-top:6px;font-size:11.5px;color:var(--ink-3);border-top:1px dashed var(--line);padding-top:7px}
.pnote b{color:var(--ink-2);font-weight:600}

/* ---------- 内容卡片 ---------- */
.art-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.acard{background:#fff;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;display:flex;flex-direction:column;transition:.25s}
.acard:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.acover{height:150px;display:flex;align-items:center;justify-content:center;font-size:52px;position:relative;overflow:hidden}
.acover .cate{position:absolute;top:12px;left:12px;background:rgba(255,255,255,.92);font-size:11.5px;padding:3px 10px;border-radius:12px;color:var(--ink-2);font-weight:600}
.ac1{background:linear-gradient(135deg,#dfe9ff,#f2f7ff)}
.ac2{background:linear-gradient(135deg,#ffeadd,#fff6ef)}
.ac3{background:linear-gradient(135deg,#e1f4e6,#f4fbf6)}
.ac4{background:linear-gradient(135deg,#f0e5ff,#faf4ff)}
.ac5{background:linear-gradient(135deg,#ffe4ea,#fff5f7)}
.ac6{background:linear-gradient(135deg,#e0f4f6,#f1fafb)}
.abody{padding:16px;display:flex;flex-direction:column;gap:9px;flex:1}
.atitle{font-size:15.5px;font-weight:600;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.atitle:hover{color:var(--primary)}
.adesc{font-size:13px;color:var(--ink-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.afoot{display:flex;justify-content:space-between;align-items:center;font-size:12px;color:var(--ink-3);margin-top:auto;border-top:1px dashed var(--line);padding-top:10px}
.aauthor{display:flex;align-items:center;gap:6px}
.aauthor .av{width:22px;height:22px;border-radius:50%;background:var(--primary-l);color:var(--primary);display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:700}
.aauthor b{color:var(--ink-2);font-weight:600}

/* ---------- 入驻流程 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;counter-reset:st}
.step{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:28px 22px 24px;text-align:center}
.step::before{counter-increment:st;content:counter(st,decimal-leading-zero);position:absolute;top:-13px;left:50%;transform:translateX(-50%);background:var(--primary);color:#fff;font-size:12px;font-weight:700;width:26px;height:26px;border-radius:50%;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 10px rgba(47,111,237,.35)}
.step .ic{font-size:32px;margin-bottom:10px}
.step h4{font-size:15.5px;margin-bottom:6px}
.step p{font-size:13px;color:var(--ink-2)}
.arrow-step{display:flex;align-items:center;gap:10px;margin-top:4px;color:var(--ink-3)}

/* ---------- 保障条 ---------- */
.trust-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.ts-card{display:flex;gap:14px;align-items:flex-start;background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:20px}
.ts-ic{width:46px;height:46px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:22px;flex-shrink:0;background:var(--primary-l)}
.ts-card h4{font-size:15px;margin-bottom:3px}
.ts-card p{font-size:12.5px;color:var(--ink-2);line-height:1.55}

/* ---------- CTA 横幅 ---------- */
.cta-band{background:linear-gradient(120deg,#1e56c8,#3d83f2 55%,#6aa6ff);border-radius:20px;padding:44px 46px;display:flex;align-items:center;justify-content:space-between;gap:30px;color:#fff;flex-wrap:wrap;position:relative;overflow:hidden}
.cta-band::after{content:"";position:absolute;width:300px;height:300px;border-radius:50%;right:-90px;top:-140px;background:rgba(255,255,255,.12)}
.cta-band h3{font-size:24px;font-weight:800;margin-bottom:6px}
.cta-band p{opacity:.9;font-size:14.5px;max-width:600px}
.cta-band .btn{position:relative;z-index:2}

/* ---------- 品牌/商家名单 ---------- */
.brand-strip{display:flex;justify-content:center;gap:18px 34px;flex-wrap:wrap;color:var(--ink-3);font-size:13.5px;font-weight:600}
.brand-strip li{display:flex;align-items:center;gap:7px}
.brand-strip .bd{width:26px;height:26px;border-radius:8px;background:#fff;border:1px solid var(--line);display:flex;align-items:center;justify-content:center;font-size:13px;box-shadow:var(--shadow-sm)}

/* ---------- 频道小页头 ---------- */
.page-hero{background:linear-gradient(150deg,#e8f1ff,#f4f8ff 60%,#fff6ee);position:relative;overflow:hidden}
.page-hero .wrap{position:relative;z-index:2;padding:52px 0 56px;text-align:center}
.page-hero h1{font-size:34px;font-weight:800}
.page-hero p{color:var(--ink-2);font-size:15px;margin-top:8px;max-width:680px;margin-left:auto;margin-right:auto}
.crumb{font-size:12.5px;color:var(--ink-3);margin-bottom:10px}
.crumb a:hover{color:var(--primary)}

/* ---------- 筛选/工具条 ---------- */
.toolbar{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:24px;background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:14px 16px}
.pills{display:flex;gap:8px;flex-wrap:wrap}
.pill{padding:7px 16px;border-radius:18px;background:#f2f4f8;color:var(--ink-2);font-size:13.5px;cursor:pointer;border:1px solid transparent;transition:.2s;font-weight:500}
.pill:hover{color:var(--primary)}
.pill.active{background:var(--primary);color:#fff;box-shadow:0 4px 10px rgba(47,111,237,.28)}
.toolbar .spacer{flex:1}
.toolbar .count{font-size:13px;color:var(--ink-3)}
.toolbar .kw-mini{width:220px;height:38px;border:1px solid var(--line);border-radius:19px;background:#f6f8fb;padding:0 16px;font-size:13.5px;outline:none;transition:.2s;font-family:inherit}
.toolbar .kw-mini:focus{border-color:var(--primary);background:#fff;box-shadow:0 0 0 3px rgba(47,111,237,.1)}
.hidden-item{display:none !important}

/* ---------- 商家入驻页 ---------- */
.merit-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.merit{border:1px solid var(--line);border-radius:var(--r);background:#fff;padding:26px 24px;transition:.25s}
.merit:hover{box-shadow:var(--shadow);transform:translateY(-3px)}
.merit .ic{width:50px;height:50px;border-radius:13px;display:flex;align-items:center;justify-content:center;font-size:24px;background:var(--primary-l);margin-bottom:14px}
.merit h3{font-size:17px;margin-bottom:8px}
.merit p{font-size:13.5px;color:var(--ink-2)}
.merit ul{margin-top:10px;display:grid;gap:6px}
.merit li{font-size:13px;color:var(--ink-2);display:flex;gap:7px}
.merit li::before{content:"✓";color:var(--ok);font-weight:700;flex-shrink:0}
.check-list{display:grid;gap:12px}
.check-list li{display:flex;gap:12px;background:#fff;border:1px solid var(--line);border-radius:var(--r-s);padding:16px 18px;font-size:14px;color:var(--ink-2);align-items:flex-start}
.check-list .ic{font-size:18px;flex-shrink:0}
.check-list b{color:var(--ink)}
.cat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.cat-chip{background:#fff;border:1px solid var(--line);border-radius:12px;padding:16px;text-align:center;font-size:13.5px;color:var(--ink-2);transition:.2s}
.cat-chip .ic{display:block;font-size:26px;margin-bottom:6px}
.cat-chip:hover{border-color:var(--primary);color:var(--primary);box-shadow:var(--shadow-sm)}
.faq-item{border:1px solid var(--line);border-radius:var(--r-s);background:#fff;margin-bottom:12px;overflow:hidden}
.faq-q{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:16px 20px;font-weight:600;font-size:15px;cursor:pointer}
.faq-q .ar{color:var(--ink-3);transition:.25s;font-size:13px}
.faq-item.open .faq-q .ar{transform:rotate(180deg)}
.faq-a{padding:0 20px;max-height:0;overflow:hidden;transition:max-height .3s ease;color:var(--ink-2);font-size:14px}
.faq-item.open .faq-a{max-height:300px;padding-bottom:18px}

/* ---------- 表单 ---------- */
.form-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:34px;box-shadow:var(--shadow-sm)}
.form-card h3{font-size:20px;margin-bottom:4px}
.form-card .fs{color:var(--ink-3);font-size:13px;margin-bottom:20px}
.f-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.f-item{display:flex;flex-direction:column;gap:7px}
.f-item.full{grid-column:1/-1}
.f-item label{font-size:13.5px;font-weight:600;color:var(--ink)}
.f-item label i{color:#e53e3e;font-style:normal}
.f-item input,.f-item select,.f-item textarea{border:1px solid var(--line);border-radius:10px;padding:11px 13px;font-size:14px;outline:none;background:#fbfcfe;font-family:inherit;color:var(--ink);transition:.2s;width:100%}
.f-item input:focus,.f-item select:focus,.f-item textarea:focus{border-color:var(--primary);background:#fff;box-shadow:0 0 0 3px rgba(47,111,237,.1)}
.f-item textarea{resize:vertical;min-height:96px}
.form-notes{margin-top:16px;font-size:12.5px;color:var(--ink-3);line-height:1.7}
.form-ok{margin-top:16px;display:none;background:#e9f9ef;border:1px solid #bfe8cd;color:#166534;border-radius:10px;padding:13px 16px;font-size:14px}
.form-ok.show{display:block}

/* ---------- 关于页 ---------- */
.company-card{display:grid;grid-template-columns:240px 1fr;gap:26px;background:#fff;border:1px solid var(--line);border-radius:18px;padding:30px;align-items:start}
.company-logo{text-align:center;padding:24px 10px;background:var(--primary-l);border-radius:14px}
.company-logo .cl-ic{width:64px;height:64px;border-radius:18px;background:linear-gradient(135deg,#2f6fed,#6aa6ff);margin:0 auto 12px;display:flex;align-items:center;justify-content:center;color:#fff;font-size:30px;font-weight:800;box-shadow:0 10px 20px rgba(47,111,237,.3)}
.company-logo .n{font-size:17px;font-weight:800}
.company-logo .s{font-size:11.5px;color:var(--ink-3);margin-top:2px}
.info-table{width:100%;border-collapse:collapse;font-size:14px}
.info-table td{padding:12px 8px;border-bottom:1px dashed var(--line);vertical-align:top}
.info-table td:first-child{width:120px;color:var(--ink-3);white-space:nowrap;font-weight:500}
.info-table tr:last-child td{border-bottom:0}

/* ---------- 页脚 ---------- */
.site-footer{background:#12213c;color:#aab7cc;margin-top:70px}
.site-footer a{color:#aab7cc}
.site-footer a:hover{color:#fff}
.ft-main{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px;padding:52px 0 36px}
.ft-col h4{color:#fff;font-size:15px;margin-bottom:16px;font-weight:600}
.ft-col.about .ft-logo{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.ft-logo .lg-ic{width:38px;height:38px;border-radius:11px;background:linear-gradient(135deg,#3d83f2,#6aa6ff);display:flex;align-items:center;justify-content:center;flex-shrink:0}
.ft-logo .t{color:#fff;font-size:19px;font-weight:800}
.ft-col.about p{font-size:13px;line-height:1.9;max-width:320px}
.ft-col ul{display:grid;gap:10px;font-size:13.5px}
.ft-col.contact li{display:flex;gap:8px;font-size:13px;line-height:1.8}
.ft-col.contact .ci{flex-shrink:0}
.ft-bar{border-top:1px solid rgba(255,255,255,.09);padding:20px 0 26px;font-size:12.5px;line-height:2;color:#8fa0bb}
.ft-bar .wrap{display:flex;flex-direction:column;gap:4px;align-items:center;text-align:center}
.ft-bar .beian-links{display:flex;gap:18px;flex-wrap:wrap;justify-content:center}
.ft-bar a{color:#8fa0bb}
.ft-bar a:hover{color:#fff}
.beian-ic{display:inline-flex;align-items:center;gap:5px}

/* ---------- 轻提示 ---------- */
.toast{position:fixed;left:50%;bottom:40px;transform:translateX(-50%) translateY(20px);background:#22304a;color:#fff;font-size:14px;padding:12px 22px;border-radius:12px;box-shadow:0 12px 30px rgba(0,0,0,.25);opacity:0;visibility:hidden;transition:.3s;z-index:99;max-width:86vw;text-align:center;line-height:1.6}
.toast.show{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0)}

/* ---------- 登录注册页 ---------- */
.auth-wrap{display:flex;justify-content:center;padding:56px 0 30px;min-height:520px}
.auth-card{width:min(440px,100%);background:#fff;border:1px solid var(--line);border-radius:20px;padding:36px 38px;box-shadow:var(--shadow)}
.auth-logo{display:flex;align-items:center;gap:10px;justify-content:center;margin-bottom:6px}
.auth-card h1{text-align:center;font-size:22px;font-weight:800;margin:14px 0 4px}
.auth-card .sub{text-align:center;color:var(--ink-3);font-size:13px;margin-bottom:24px}
.auth-switch{display:flex;justify-content:center;gap:8px;margin-top:22px;font-size:13.5px;color:var(--ink-2)}
.auth-switch a{color:var(--primary);font-weight:600}
.auth-links{display:flex;justify-content:space-between;font-size:12.5px;color:var(--ink-3);margin-top:14px}
.auth-links a{color:var(--ink-2)}
.auth-links a:hover{color:var(--primary)}
.auth-note{margin-top:20px;background:var(--primary-l);border-radius:10px;padding:11px 14px;font-size:12px;color:var(--ink-2);line-height:1.7}

/* ---------- 浮动按钮 ---------- */
.ft-fab{position:fixed;right:22px;bottom:22px;z-index:70;display:flex;flex-direction:column;gap:10px}
.ft-fab a,.ft-fab button{width:46px;height:46px;border-radius:50%;border:0;cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:20px;box-shadow:0 8px 20px rgba(31,58,120,.22);transition:.2s;background:#fff}
.ft-fab .kf{background:var(--primary);color:#fff}
.ft-fab .top{display:none;background:#fff;color:var(--ink-2);font-size:16px}
.ft-fab .top.show{display:flex}
.ft-fab .top:hover,.ft-fab .kf:hover{transform:translateY(-3px)}

/* ---------- 合规页 ---------- */
.legal-wrap{display:grid;grid-template-columns:220px 1fr;gap:30px;align-items:start;padding:44px 0 20px}
.legal-nav{position:sticky;top:96px;background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:14px 0;max-height:calc(100vh - 130px);overflow:auto}
.legal-nav a{display:block;padding:9px 20px;font-size:13.5px;color:var(--ink-2);border-left:3px solid transparent}
.legal-nav a:hover{color:var(--primary);background:var(--primary-l)}
.legal-nav a.current{color:var(--primary);border-left-color:var(--primary);background:var(--primary-l);font-weight:600}
.legal-art{background:#fff;border:1px solid var(--line);border-radius:18px;padding:44px 46px}
.legal-art h1{font-size:27px;font-weight:800;text-align:center}
.legal-meta{text-align:center;color:var(--ink-3);font-size:13px;margin:10px 0 30px;display:grid;gap:3px;justify-content:center}
.legal-art h2{font-size:19px;font-weight:700;margin:34px 0 14px;padding-left:12px;border-left:4px solid var(--primary);line-height:1.4}
.legal-art h3{font-size:15.5px;font-weight:700;margin:20px 0 8px}
.legal-art p,.legal-art li{font-size:14.5px;color:#3d4653;line-height:2}
.legal-art ol,.legal-art ul{margin:8px 0;padding-left:6px}
.legal-art ol>li,.legal-art ul>li{margin:4px 0;display:flex;gap:10px}
.legal-art ul>li::before{content:"·";color:var(--primary);font-weight:800;flex-shrink:0}
.legal-art ol{counter-reset:litem}
.legal-art ol>li{counter-increment:litem}
.legal-art ol>li::before{content:counter(litem) "、";color:var(--primary);font-weight:600;flex-shrink:0}
.legal-art .tl{display:block;color:var(--ink-3);font-size:12.5px;text-align:right;margin-top:40px;border-top:1px dashed var(--line);padding-top:14px}
.legal-art strong{color:var(--ink)}

/* ---------- 无结果 ---------- */
.no-result{display:none;text-align:center;padding:50px 0;color:var(--ink-3)}
.no-result .ic{font-size:42px;margin-bottom:8px}
.no-result.show{display:block}

/* ---------- 移动端 ---------- */
@media (max-width:1000px){
  .hero .wrap{grid-template-columns:1fr;padding:52px 0 70px}
  .hero h1{font-size:34px}
  .hero-visual{max-width:520px;margin:20px auto 0}
  .prod-grid{grid-template-columns:repeat(3,1fr)}
  .model-grid,.merit-grid{grid-template-columns:repeat(2,1fr)}
  .ft-main{grid-template-columns:1fr 1fr}
  .legal-wrap{grid-template-columns:1fr}
  .legal-nav{position:static;display:flex;overflow-x:auto;padding:6px;max-height:none}
  .legal-nav a{white-space:nowrap;border-left:0;border-bottom:2px solid transparent;padding:9px 14px}
  .legal-nav a.current{border-left:0;border-bottom-color:var(--primary)}
}
@media (max-width:760px){
  .nav-toggle{display:block}
  .hd{height:auto;min-height:66px;flex-wrap:wrap;padding:12px 0;gap:12px}
  .hd-search{order:4;max-width:none;flex-basis:100%;margin-left:0}
  .nav-links{display:none;order:5;flex-basis:100%;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:12px;padding:8px;gap:2px}
  .nav-links.open{display:flex}
  .nav-links a{padding:11px 14px}
  .hd-acts{margin-left:auto}
  .hd-acts .reg-hide{display:none}
  .topbar .tb-r span{display:none}
  .section{padding:46px 0}
  .sec-head h2{font-size:24px}
  .prod-grid,.art-grid{grid-template-columns:repeat(2,1fr);gap:14px}
  .model-grid,.merit-grid,.steps,.trust-strip,.cat-grid{grid-template-columns:1fr 1fr}
  .hero-trust{gap:14px}
  .cta-band{padding:30px 24px}
  .company-card{grid-template-columns:1fr}
  .f-grid{grid-template-columns:1fr}
  .ft-main{grid-template-columns:1fr;gap:26px;padding:40px 0 26px}
  .legal-art{padding:26px 20px}
  .hv-float{left:8px;top:-18px}
  .hv-float2{right:8px;bottom:10px}
}
@media (max-width:480px){
  .prod-grid,.art-grid{grid-template-columns:1fr 1fr}
  .prod-grid .pcard:nth-child(1n){ }
  .sec-top{flex-direction:column;align-items:flex-start}
}