:root{ --blue:#3b82f6; --blue-d:#2563eb; --ink:#161a22; --sub:#5b6472; --muted:#9aa2b1; --bg:#f4f6fb; --soft:#eaf1ff; }
*{box-sizing:border-box} html,body{margin:0}
body{font-family:-apple-system,"PingFang SC","Segoe UI",Roboto,sans-serif;color:var(--ink);background:#fff;line-height:1.6}
.wrap{max-width:1080px;margin:0 auto;padding:0 24px}
.nav{display:flex;align-items:center;justify-content:space-between;padding:16px 0}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:18px;color:var(--ink);text-decoration:none}
.brand img{width:34px;height:34px;border-radius:9px;display:block}
.navlinks{display:flex;gap:22px;font-size:14px}
.navlinks a{color:var(--sub);text-decoration:none}
.hero{background:linear-gradient(180deg,#f7faff,#fff);padding:48px 0 28px}
.heroGrid{display:flex;gap:48px;align-items:center;flex-wrap:wrap}
.heroL{flex:1;min-width:300px}
.h1{font-size:42px;line-height:1.2;font-weight:900;letter-spacing:-0.5px;margin:6px 0 14px}
.h1 .accent{color:var(--blue)}
.lead{font-size:17px;color:var(--sub);margin-bottom:26px;max-width:460px}
.cta{display:flex;gap:12px;align-items:center;flex-wrap:wrap}
.badge{display:inline-flex;align-items:center;gap:10px;background:#cdd2db;color:#fff;border-radius:13px;padding:12px 18px;font-weight:700;cursor:not-allowed}
.badge svg{width:22px;height:22px;fill:#fff}
.badge small{display:block;font-size:10px;font-weight:600;opacity:.9;line-height:1}
.badge b{font-size:16px;line-height:1.2}
.soonTag{font-size:12px;color:var(--muted)}
.heroR{flex:0 0 280px;display:flex;flex-direction:column;align-items:center}
.phone{width:260px;height:534px;border-radius:38px;background:#0e1116;padding:10px;box-shadow:0 30px 60px rgba(31,40,80,.28)}
.screen{width:100%;height:100%;border-radius:30px;background:var(--bg);overflow:hidden;position:relative}
.slides{height:100%;position:relative}
.slide{position:absolute;inset:0;opacity:0;transition:opacity .5s}
.slide.on{opacity:1}
.sTop{padding:16px 16px 6px;text-align:center;font-size:12px;color:var(--muted)}
.shot{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;display:block}
.sCap{position:absolute;bottom:14px;left:0;right:0;text-align:center;font-size:12px;color:var(--muted)}
.sCard{margin:12px;background:#fff;border-radius:16px;padding:14px;box-shadow:0 4px 12px rgba(20,30,60,.06)}
.sSent{font-size:13px;color:#33373d;line-height:1.7}
.chip{display:inline-block;background:var(--soft);color:var(--blue-d);border-radius:6px;padding:1px 6px;font-size:11px;margin:0 1px}
.sBubble{margin:10px 12px;background:#fff;border-radius:14px;border-bottom-left-radius:4px;padding:10px 12px;font-size:12px;color:#33373d;box-shadow:0 4px 12px rgba(20,30,60,.06)}
.sBubbleU{margin:8px 12px;background:var(--blue);color:#fff;border-radius:14px;border-bottom-right-radius:4px;padding:9px 12px;font-size:12px;max-width:72%;margin-left:auto}
.opt{margin:8px 12px;background:#fff;border-radius:12px;padding:11px 13px;font-size:12.5px;color:#1f2329;box-shadow:0 3px 10px rgba(20,30,60,.05)}
.opt.right{background:#eef4e9}
.opt.wrong{background:#fdeceb}
.daily{margin:24px 14px;background:#fff;border-radius:18px;padding:20px 16px;box-shadow:0 6px 16px rgba(20,30,60,.07)}
.daily .en{font-size:15px;color:#22262e;line-height:1.7}
.daily .zh{font-size:12px;color:var(--sub);margin-top:10px}
.dots{display:flex;gap:7px;justify-content:center;margin-top:16px}
.dot{width:7px;height:7px;border-radius:4px;background:#cdd4df;cursor:pointer;transition:all .3s}
.dot.on{background:var(--blue);width:18px}
.sec{padding:56px 0}
.secH{text-align:center;font-size:28px;font-weight:900;margin:0 0 8px}
.secSub{text-align:center;color:var(--sub);margin:0 0 36px}
.cards{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.card{background:#fff;border:1px solid #eef1f6;border-radius:18px;padding:22px;box-shadow:0 6px 18px rgba(20,30,60,.04)}
.cIcon{width:44px;height:44px;border-radius:12px;background:var(--soft);display:flex;align-items:center;justify-content:center;margin-bottom:12px}
.cIcon svg{width:23px;height:23px;stroke:var(--blue-d);stroke-width:2;fill:none;stroke-linecap:round;stroke-linejoin:round}
.cT{font-weight:800;font-size:17px;margin:0 0 6px}
.cD{color:var(--sub);font-size:14px;margin:0}
.foot{background:#0e1116;color:#c7ccd6;padding:40px 0;font-size:13px}
.foot a{color:#c7ccd6;text-decoration:none;margin-right:18px}
.foot .ent{color:#8b919b;margin-top:12px;line-height:1.8}
.legal-top{max-width:820px;margin:0 auto;padding:18px 24px;display:flex;align-items:center;justify-content:space-between}
.legal-top .brand img{width:30px;height:30px;border-radius:8px;vertical-align:middle;margin-right:8px}
.legal-top .back{color:var(--sub);text-decoration:none;font-size:14px}
.legal-body{max-width:820px;margin:0 auto;padding:8px 24px 64px;color:#33373d}
.legal-title{font-size:26px;font-weight:900;color:var(--ink);margin:8px 0 20px}
.legal-body h1{display:none}
.legal-body h2{font-size:18px;margin:26px 0 8px;color:var(--ink)}
.legal-body p,.legal-body li{font-size:14.5px;line-height:1.9}
.legal-body a{color:var(--blue-d)}
@media(max-width:560px){ .h1{font-size:32px} }
