*{margin:0;padding:0;box-sizing:border-box;-webkit-tap-highlight-color:transparent}
:root{--theme:#2563eb;--theme-d:#1d4ed8;--bg:#f4f6fb;--card:#fff;--text:#1f2430;--mute:#8a90a2;--line:#eceef4}
html,body{height:100%}
body{font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;background:#dfe3ec;color:var(--text);line-height:1.6}
.phone{position:relative;max-width:430px;margin:0 auto;min-height:100vh;background:var(--bg);display:flex;flex-direction:column;box-shadow:0 0 40px rgba(0,0,0,.12)}
.appbar{position:sticky;top:0;z-index:20;display:flex;align-items:center;gap:10px;padding:14px 16px;background:linear-gradient(135deg,var(--theme),var(--theme-d));color:#fff}
.appbar .logo{width:38px;height:38px;border-radius:11px;background:rgba(255,255,255,.18);display:flex;align-items:center;justify-content:center;font-size:20px}
.appbar .brand{font-size:18px;font-weight:700;letter-spacing:.5px}
.appbar .brand small{display:block;font-size:11px;font-weight:400;opacity:.85}
.screen{flex:1;overflow-y:auto;padding:16px 16px 96px}
.card{background:var(--card);border-radius:16px;padding:16px;margin-bottom:14px;box-shadow:0 4px 18px rgba(31,36,48,.05)}
.sec-title{display:flex;align-items:center;gap:8px;font-size:17px;font-weight:700;margin:6px 0 12px}
.sec-title .bar{width:4px;height:16px;border-radius:3px;background:var(--theme)}
.hero{border-radius:20px;padding:26px 20px;color:#fff;background:linear-gradient(135deg,var(--theme),var(--theme-d));margin-bottom:16px}
.hero h1{font-size:23px;font-weight:800;margin-bottom:8px}
.hero p{font-size:14px;opacity:.92;margin-bottom:16px}
.btn{display:inline-block;padding:11px 20px;border-radius:30px;background:#fff;color:var(--theme-d);font-weight:700;font-size:14px;text-decoration:none;border:none;cursor:pointer}
.btn.ghost{background:rgba(255,255,255,.16);color:#fff}
.btn.full{display:block;text-align:center;width:100%;background:var(--theme);color:#fff}
.feat-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.feat{background:var(--card);border-radius:14px;padding:14px;box-shadow:0 4px 18px rgba(31,36,48,.05)}
.feat .ic{font-size:24px}
.feat b{display:block;font-size:14px;margin:6px 0 2px}
.feat span{font-size:12px;color:var(--mute)}
.prod-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.prod{background:var(--card);border-radius:14px;overflow:hidden;box-shadow:0 4px 18px rgba(31,36,48,.05)}
.prod .thumb{height:96px;display:flex;align-items:center;justify-content:center;font-size:38px;background:linear-gradient(135deg,var(--theme),var(--theme-d));color:#fff}
.prod .info{padding:10px 12px}
.prod .info b{font-size:14px}
.prod .info .p{color:var(--theme-d);font-weight:700;font-size:14px;margin-top:4px}
.prod .info .d{font-size:11px;color:var(--mute)}
.news{display:block;text-decoration:none;color:inherit;padding:13px 0;border-bottom:1px solid var(--line)}
.news:last-child{border-bottom:none}
.news b{font-size:15px}
.news .meta{font-size:12px;color:var(--mute);margin-top:3px}
.news .sum{font-size:13px;color:#54596a;margin-top:4px}
.stats{display:flex;justify-content:space-around;text-align:center;padding:8px 0}
.stats b{font-size:22px;color:var(--theme-d)}
.stats span{font-size:12px;color:var(--mute)}
.info-row{display:flex;gap:12px;align-items:flex-start;padding:12px 0;border-bottom:1px solid var(--line)}
.info-row:last-child{border-bottom:none}
.info-row .ic{font-size:20px;width:30px;text-align:center}
.info-row .t{font-size:13px;color:var(--mute)}
.info-row .v{font-size:15px;font-weight:600}
form .field{margin-bottom:12px}
form label{display:block;font-size:13px;color:var(--mute);margin-bottom:6px}
form input,form textarea{width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:12px;font-size:14px;outline:none;background:#fbfcfe}
form input:focus,form textarea:focus{border-color:var(--theme)}
.team{display:flex;gap:12px;align-items:center;padding:10px 0}
.team .av{width:46px;height:46px;border-radius:50%;background:linear-gradient(135deg,var(--theme),var(--theme-d));color:#fff;display:flex;align-items:center;justify-content:center;font-size:20px;flex-shrink:0}
.tag{display:inline-block;background:rgba(37,99,235,.1);color:var(--theme-d);font-size:12px;padding:3px 10px;border-radius:20px;margin:0 6px 6px 0}
.tabbar{position:fixed;bottom:0;left:50%;transform:translateX(-50%);width:100%;max-width:430px;display:flex;background:#fff;border-top:1px solid var(--line);z-index:30}
.tabbar a{flex:1;text-align:center;padding:8px 0 10px;text-decoration:none;color:var(--mute);font-size:11px}
.tabbar a span{display:block;font-size:18px;margin-bottom:2px}
.tabbar a.on{color:var(--theme)}
.banner{height:150px;border-radius:18px;background:linear-gradient(120deg,var(--theme),var(--theme-d));color:#fff;display:flex;align-items:center;justify-content:center;font-size:20px;font-weight:800;margin-bottom:14px}
.toast{position:fixed;left:50%;bottom:90px;transform:translateX(-50%);background:rgba(20,22,30,.92);color:#fff;padding:11px 18px;border-radius:24px;font-size:14px;z-index:99;opacity:0;transition:.3s;pointer-events:none}
.toast.show{opacity:1}
.muted{color:var(--mute);font-size:13px}
.center{text-align:center}