:root{--navy:#0b1f3a;--navy2:#13325c;--teal:#14b8a6;--teal2:#0d9488;--gold:#d4a64a;--ink:#1c2533;--mut:#64748b;--bg:#f5f7fb;--line:#e4e9f1;--r:14px;--sh:0 10px 30px -12px rgba(11,31,58,.25)}
*{box-sizing:border-box}html{scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",Roboto,sans-serif;margin:0;background:var(--bg);color:var(--ink);font-size:15px;line-height:1.6;-webkit-font-smoothing:antialiased}
html.en .zh,html:not(.en) .en{display:none!important}
a{color:var(--teal2)}h1,h2,h3{letter-spacing:-.01em;line-height:1.25}
.ic{width:20px;height:20px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;vertical-align:-4px}
nav.top{position:sticky;top:0;z-index:1000;background:rgba(11,31,58,.92);backdrop-filter:blur(10px);color:#fff;display:flex;align-items:center;gap:6px 16px;padding:10px 22px;flex-wrap:wrap}
nav.top .logo{display:flex;align-items:center;gap:8px;font-weight:700;font-size:18px;color:#fff;text-decoration:none;margin-right:auto}
nav.top .logo b{background:linear-gradient(135deg,var(--teal),var(--gold));-webkit-background-clip:text;color:transparent}
nav.top a.l{color:#c8d3e3;text-decoration:none;font-size:14px}nav.top a.l:hover{color:#fff}
.badge{background:rgba(212,166,74,.18);color:var(--gold);border:1px solid rgba(212,166,74,.5);border-radius:20px;padding:1px 10px;font-size:12px}
.who{background:rgba(255,255,255,.1);border-radius:20px;padding:2px 12px;font-size:13px}
.trialc{background:rgba(20,184,166,.18);color:#7ee7da;border-radius:20px;padding:2px 12px;font-size:13px}
.langbtn,.lo{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.35);border-radius:8px;padding:3px 10px;font-size:13px;cursor:pointer;text-decoration:none}
.btn{display:inline-flex;align-items:center;gap:8px;background:linear-gradient(135deg,var(--teal),var(--teal2));color:#fff;border:0;border-radius:10px;padding:12px 22px;font-size:15px;font-weight:600;text-decoration:none;cursor:pointer;box-shadow:0 8px 20px -8px rgba(20,184,166,.7);transition:transform .15s,box-shadow .15s}
.btn:hover{transform:translateY(-1px);box-shadow:0 12px 24px -8px rgba(20,184,166,.8)}.btn.gold{background:linear-gradient(135deg,#e3bd6a,var(--gold));box-shadow:0 8px 20px -8px rgba(212,166,74,.7)}
.btn.ghost{background:transparent;border:1px solid rgba(255,255,255,.4);box-shadow:none}.btn.line{background:#fff;color:var(--navy);border:1px solid var(--line);box-shadow:none}.btn.sm{padding:6px 12px;font-size:13px;border-radius:8px}
.container{max-width:1160px;margin:0 auto;padding:0 22px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:20px;box-shadow:0 1px 2px rgba(11,31,58,.04)}
.panel{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:20px;margin-bottom:16px;overflow-x:auto}
.warn{background:#fff8e8;border:1px solid #f1d9a3;border-radius:10px;padding:10px 14px;color:#7a5a17;font-size:14px;margin-bottom:16px}
input,select,textarea{font:inherit;padding:10px 12px;border:1px solid #d5dce7;border-radius:10px;background:#fff;color:var(--ink);width:100%}
input:focus,select:focus,textarea:focus{outline:2px solid rgba(20,184,166,.35);border-color:var(--teal)}
table{border-collapse:collapse;width:100%}th,td{text-align:left;padding:10px;border-bottom:1px solid var(--line);font-size:14px;vertical-align:top}th{background:#f3f6fa;font-weight:600}
.ok{color:#0f9f6e}.off{color:#94a3b8}
footer{text-align:center;color:var(--mut);font-size:13px;padding:30px}
.toast{position:fixed;left:50%;bottom:24px;transform:translate(-50%,30px);opacity:0;background:var(--navy);color:#fff;padding:14px 20px;border-radius:12px;box-shadow:var(--sh);z-index:3000;transition:.35s;max-width:92vw;font-size:14px}.toast.show{opacity:1;transform:translate(-50%,0)}
.reveal{opacity:0;transform:translateY(18px);transition:opacity .7s,transform .7s}.reveal.in{opacity:1;transform:none}
.modal{position:fixed;inset:0;background:rgba(11,31,58,.55);display:none;align-items:center;justify-content:center;z-index:2000;padding:16px}.modal.on{display:flex}
.modal .box{background:#fff;border-radius:16px;max-width:860px;width:100%;max-height:88vh;overflow:auto;padding:22px;box-shadow:var(--sh);position:relative}.modal .x{position:absolute;right:14px;top:10px;border:0;background:none;font-size:22px;cursor:pointer;color:var(--mut)}
.fbbtn{position:fixed;right:16px;bottom:16px;z-index:1400;background:#fff;color:var(--navy);border:1px solid var(--line);border-radius:30px;padding:9px 16px;font-size:14px;box-shadow:var(--sh);cursor:pointer}
.fbbtn:hover{border-color:var(--teal)}@media(max-width:600px){.fbbtn{bottom:12px;right:10px;padding:7px 12px}}
.fbbtn{right:auto;left:16px}
#aiw{position:fixed;right:18px;bottom:18px;z-index:1600}.aiwb{width:58px;height:58px;border-radius:50%;border:0;cursor:pointer;background:linear-gradient(135deg,var(--teal),var(--gold));box-shadow:0 12px 30px -8px rgba(20,184,166,.8);display:grid;place-items:center;animation:pulse 2.6s infinite}
@keyframes pulse{0%,100%{box-shadow:0 0 0 0 rgba(20,184,166,.5)}50%{box-shadow:0 0 0 12px rgba(20,184,166,0)}}
.aiwp{display:none;position:absolute;right:0;bottom:70px;width:340px;max-width:calc(100vw - 28px);background:#fff;border-radius:18px;box-shadow:0 30px 60px -20px rgba(11,31,58,.5);overflow:hidden;border:1px solid var(--line)}#aiw.open .aiwp{display:block;animation:pop .25s}
.aiwh{background:linear-gradient(135deg,#0b1f3a,#13325c);color:#fff;padding:12px 14px;display:flex;align-items:center;gap:8px}.aiwh button{margin-left:auto;background:none;border:0;color:#fff;font-size:20px;cursor:pointer}.wdemo{background:rgba(212,166,74,.25);color:#f0cf87;border-radius:10px;padding:0 8px;font-size:11px}
.aiwm{height:300px;overflow:auto;padding:10px;background:#f8fafc}.wm{border-radius:14px;padding:8px 12px;margin:6px 0;font-size:13px;max-width:90%}.wm.u{background:var(--teal2);color:#fff;margin-left:auto}.wm.a{background:#fff;border:1px solid var(--line)}
.wchip{display:inline-block;background:#e6fffb;color:#0f766e;border-radius:12px;padding:0 8px;font-size:12px;margin:2px}
.aiwf{display:flex;border-top:1px solid var(--line)}.aiwf input{border:0;border-radius:0}.aiwf button{border:0;background:var(--teal);color:#fff;padding:0 16px;cursor:pointer}.aiwn{font-size:11px;color:var(--mut);padding:4px 10px 8px}
@keyframes pop{from{opacity:0;transform:translateY(6px)}}
#cbar{bottom:86px}
.aiwc{display:flex;flex-wrap:wrap;gap:6px;margin:4px 0 8px}.aiwc .wchip{cursor:pointer;border:1px solid #ccd;background:#fff}
#aiw .aiwb{width:auto;min-width:58px;height:50px;border-radius:25px;padding:0 18px 0 14px;display:flex;align-items:center;gap:6px}.aiwt{color:#fff;font-weight:700;font-size:15px;white-space:nowrap}@media(max-width:600px){#aiw .aiwb{height:44px;padding:0 14px 0 10px}.aiwt{font-size:14px}}