:root{--ink:#0a2144;--muted:#667387;--blue:#245eea;--blue-dark:#174fcf;--line:#dce3ed;--paper:#f7f9fc;--lime:#dbf795;font:16px/1.5 Inter,-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--paper)}
*{box-sizing:border-box}html{min-height:100%}body{margin:0;min-height:100vh;overflow-x:hidden;background:var(--paper);-webkit-font-smoothing:antialiased}button,input,select{font:inherit}button,a{-webkit-tap-highlight-color:transparent}button{color:inherit;cursor:pointer}a{color:inherit;text-decoration:none}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid #709bff;outline-offset:3px}::selection{background:var(--lime);color:var(--ink)}[hidden]{display:none!important}
.skip{position:fixed;left:20px;top:-60px;z-index:10;background:var(--ink);color:#fff;padding:10px 16px;border-radius:7px}.skip:focus{top:14px}.page-glow{position:fixed;z-index:-1;top:-260px;right:-230px;width:760px;height:760px;border-radius:50%;background:radial-gradient(circle,#d7e8ff 0,#e8f1ff 37%,transparent 70%);opacity:.8;pointer-events:none}
.site-head,.account-shell,footer{width:min(1160px,calc(100% - 64px));margin:auto}.site-head{height:86px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)}.brand{display:inline-flex;align-items:center;gap:10px;font-size:23px;font-weight:700;letter-spacing:-.8px}.brand img{width:35px;height:35px;border-radius:10px}.head-actions{display:flex;align-items:center;gap:28px;font-size:14px}.head-actions select{height:36px;padding:0 9px 0 12px;border:1px solid #d4ddea;border-radius:8px;background:#fbfcfe;color:var(--muted);cursor:pointer;transition:border-color .2s,color .2s}.head-actions select:hover{border-color:#b7c5d8;color:var(--ink)}.status-pill i{width:7px;height:7px;border-radius:50%;background:#74aa26;box-shadow:0 0 0 4px #e9f3d9}
.account-shell{padding:44px 0 70px}.auth-layout{min-height:620px;display:grid;grid-template-columns:1.08fr .92fr;gap:110px;align-items:center;padding:22px 7% 74px}.eyebrow,.overline,.form-kicker{font-size:12px;font-weight:650;letter-spacing:2px;margin:0;color:var(--blue)}.eyebrow{display:flex;align-items:center;gap:10px}.eyebrow span{width:7px;height:7px;background:var(--blue);border-radius:50%}.auth-intro h1{font-size:clamp(44px,4.8vw,66px);font-weight:650;letter-spacing:-3px;line-height:1.15;margin:22px 0 24px}.auth-intro h1 em{font-style:normal;color:var(--blue)}.auth-lead{max-width:490px;color:var(--muted);font-size:17px;line-height:1.85;margin:0 0 40px}.auth-points{border-top:1px solid var(--line)}.auth-points>div{display:flex;align-items:flex-start;gap:18px;padding:17px 0;border-bottom:1px solid var(--line)}.auth-points b{display:grid;place-items:center;flex:0 0 28px;height:28px;border-radius:50%;background:#e6edfa;color:var(--blue);font-size:10px}.auth-points span{display:flex;flex-direction:column}.auth-points strong{font-size:14px;font-weight:600}.auth-points small{font-size:12px;color:var(--muted);margin-top:3px}
.card,.panel{background:#ffffffea;border:1px solid #fff;border-radius:18px;box-shadow:0 24px 70px #173c7412,0 0 0 1px #d6dfebaa;backdrop-filter:blur(18px)}.auth-card{position:relative;padding:44px 42px 36px}.card-mark{position:absolute;right:28px;top:28px;display:grid;place-items:center;width:42px;height:42px;border-radius:12px;background:#edf3fe}.card-mark img{width:25px;height:25px}.form-kicker{margin-bottom:13px}.auth-card h2{font-size:34px;line-height:1.2;letter-spacing:-1.2px;margin:0 0 9px}.form-copy{font-size:14px;line-height:1.7;color:var(--muted);margin:0 0 28px;padding-right:38px}label{display:block;margin:17px 0 0;color:#324969;font-size:13px;font-weight:600}input{display:block;width:100%;height:50px;margin-top:8px;padding:0 15px;border:1px solid #d4ddea;border-radius:9px;background:#fbfcfe;color:var(--ink);transition:border-color .2s,box-shadow .2s}input::placeholder{color:#a2adbc}input:hover{border-color:#b7c5d8}input:focus{outline:0;border-color:#6f97f2;box-shadow:0 0 0 4px #245eea12;background:#fff}.primary{width:100%;height:50px;margin-top:24px;padding:0 17px;display:flex;justify-content:space-between;align-items:center;border:0;border-radius:9px;background:var(--blue);color:#fff;font-weight:600;transition:background .2s,transform .2s}.primary:hover{background:var(--blue-dark);transform:translateY(-1px)}.primary.compact{width:auto;min-width:160px;justify-content:center}.form-switch{display:flex;align-items:center;justify-content:center;gap:5px;margin-top:25px;padding-top:23px;border-top:1px solid #e6ebf2;font-size:13px;color:var(--muted)}.link{border:0;background:none;padding:5px;color:var(--blue);font-weight:550}.link:hover{text-decoration:underline;text-underline-offset:3px}.error{font-size:13px;color:#b53c49;background:#fff1f3;border:1px solid #ffd4d9;border-radius:7px;padding:10px 12px;margin:14px 0 0}
.dashboard-head{display:flex;align-items:flex-end;justify-content:space-between;gap:30px;margin:0 0 28px}.dashboard-head h1{font-size:clamp(32px,4vw,48px);line-height:1.12;letter-spacing:-1.8px;margin:0 0 8px;overflow-wrap:anywhere}.dashboard-copy{margin:0;color:var(--muted);font-size:14px}.logout{align-self:center;color:var(--muted)}.tabs{display:flex;align-items:center;gap:7px;margin-bottom:18px;padding:6px;background:#edf2f8;border:1px solid #e0e7f0;border-radius:12px;overflow-x:auto}.tabs button{flex:1;min-width:max-content;display:flex;justify-content:center;align-items:center;gap:8px;padding:11px 18px;border:0;border-radius:8px;background:transparent;color:#6a788c;font-size:13px;font-weight:550}.tabs button:hover{color:var(--ink)}.tabs button.active{background:#fff;color:var(--blue);box-shadow:0 3px 12px #193a690c,0 0 0 1px #dce4ee}.tabs button span{font-size:15px}
.panel{min-height:405px;padding:40px}.panel-heading{display:flex;align-items:center;justify-content:space-between;gap:24px;margin-bottom:32px}.panel h2{font-size:30px;letter-spacing:-1px;line-height:1.2;margin:9px 0 0}.status-pill{display:flex;align-items:center;gap:9px;border:1px solid #dbe5ca;background:#f8fced;border-radius:999px;color:#63783d;padding:7px 12px;font-size:11px}.status-pill.quiet{border-color:var(--line);background:#f8fafc;color:var(--muted)}.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.stats article{position:relative;min-height:154px;padding:23px;border:1px solid #e1e7f0;border-radius:13px;background:#fbfcfe;overflow:hidden}.stats article.usage-stat{background:#edf3fe;border-color:#d5e2fa}.stats article>span{display:block;color:var(--muted);font-size:12px}.stats strong{display:block;margin:11px 0 8px;font-size:26px;letter-spacing:-.7px}.stats small{color:#8490a2;font-size:11px}.stat-symbol{position:absolute;right:17px;top:17px;color:#aac0e9;font-size:21px;font-weight:400}.connect-card{display:flex;align-items:center;gap:17px;margin-top:17px;padding:19px 21px;border-radius:13px;background:var(--ink);color:#fff}.connect-icon{display:grid;place-items:center;flex:0 0 43px;height:43px;border-radius:11px;background:#fff}.connect-icon img{width:31px;height:31px;border-radius:9px}.connect-card>div:nth-child(2){flex:1}.connect-card strong{font-size:14px}.connect-card p{font-size:12px;line-height:1.65;color:#bdc9dc;margin:4px 0 0}.shortcut{flex:0 0 auto;border:1px solid #ffffff24;background:#ffffff10;border-radius:7px;padding:7px 10px;color:#dce6f4;font-size:11px;word-spacing:4px}
.usage-row{display:flex;justify-content:space-between;gap:20px;border-bottom:1px solid #e9edf3;padding:14px 4px;font-size:13px;color:var(--muted)}.usage-row span:last-child{color:var(--ink);font-variant-numeric:tabular-nums}.devices>p{color:var(--muted);font-size:14px;padding:20px 0}.plans{display:grid;grid-template-columns:1fr 1fr;gap:18px}.plans article{min-height:225px;display:flex;flex-direction:column;justify-content:space-between;padding:26px;border:1px solid #e0e6ef;border-radius:14px;background:#fbfcfe}.plans article.featured{border-color:#b8cffb;background:linear-gradient(145deg,#edf3fe,#f9fbff)}.plan-name{font-size:13px;font-weight:650;margin:0 0 12px}.plan-top{display:flex;justify-content:space-between;align-items:flex-start}.plans h3{font-size:30px;margin:0 0 10px}.plans h3 small{font-size:12px;color:var(--muted);font-weight:400}.plans article p{color:var(--muted);font-size:13px}.plans button,.current-plan{display:block;text-align:center;width:100%;border:1px solid #d5deeb;background:#fff;border-radius:8px;padding:10px;font-size:12px;color:#8290a3}.payment-actions{display:grid;grid-template-columns:1fr 1fr;gap:8px}.plans .current-plan,#payment-actions,#cancel-subscription{margin-top:auto}.plans article .notice{min-height:0;margin:0}.payment-actions[hidden],.current-plan[hidden],#cancel-subscription[hidden]{display:none}.plans .payment-actions button{cursor:pointer;color:var(--blue);border-color:#b8cffb;font-weight:600}.plans .payment-actions button:hover{background:#edf3fe}.plans .payment-actions button:disabled{cursor:not-allowed;opacity:.55}.popular{font-size:9px;letter-spacing:1px;color:var(--blue);background:#dce8ff;padding:5px 8px;border-radius:999px}#wechat-dialog{width:min(380px,calc(100% - 32px));border:0;border-radius:18px;padding:32px;text-align:center;box-shadow:0 24px 80px #17294a33}#wechat-dialog::backdrop{background:#13213b66;backdrop-filter:blur(3px)}#wechat-dialog h2{margin:0 0 8px}#wechat-dialog>p{color:var(--muted);font-size:13px}#wechat-qr{display:block;width:280px;height:280px;max-width:100%;margin:20px auto;background:#fff}.dialog-close{position:absolute;right:14px;top:10px;border:0;background:transparent;color:var(--muted);font-size:25px;cursor:pointer}
.security-grid{display:grid;grid-template-columns:1fr 1fr;gap:55px}.security-grid h3{font-size:17px;margin:0 0 5px}.security-grid>div>p{font-size:12px;color:var(--muted);margin:0 0 18px}.notice{min-height:20px;color:#43734a;font-size:12px}.devices .usage-row{align-items:center}.danger-zone{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-top:38px;padding-top:24px;border-top:1px solid #f0d9dc}.danger-zone strong{font-size:14px}.danger-zone p{font-size:11px;color:var(--muted);margin:3px 0 0}.danger{border:1px solid #e8b7bd;background:#fff8f8;color:#ad3c49;border-radius:8px;padding:9px 13px;font-size:12px}.danger:hover{background:#fff0f2}footer{padding:24px 0 35px;border-top:1px solid var(--line);display:flex;justify-content:space-between;color:#8995a6;font-size:11px}footer a:hover{color:var(--blue)}
@media(max-width:900px){.auth-layout{grid-template-columns:1fr;gap:48px;padding:10px 7% 50px}.auth-intro{max-width:620px}.auth-card{max-width:520px;width:100%;justify-self:center}.security-grid{gap:25px}.account-shell{padding-top:52px}}
@media(max-width:680px){.site-head,.account-shell,footer{width:min(100% - 32px,1160px)}.site-head{height:70px}.account-shell{padding:30px 0 50px}.auth-layout{display:block;padding:0}.auth-intro h1{font-size:39px;letter-spacing:-2px}.auth-lead{font-size:15px}.auth-points{margin-bottom:35px}.auth-card{padding:34px 24px 28px}.dashboard-head{align-items:flex-start}.dashboard-head h1{font-size:28px}.dashboard-copy{display:none}.tabs{margin-left:-4px;margin-right:-4px}.tabs button{padding:10px 13px}.tabs button span{display:none}.panel{padding:27px 20px;min-height:0}.panel-heading{align-items:flex-start;margin-bottom:24px}.panel h2{font-size:25px}.status-pill{display:none}.stats,.plans,.security-grid{grid-template-columns:1fr}.stats article{min-height:126px}.connect-card{align-items:flex-start}.shortcut{display:none}.plans article{min-height:205px}.security-grid{gap:40px}.danger-zone{align-items:flex-start}.form-switch{flex-wrap:wrap}footer{padding-bottom:26px}}
@media(max-width:390px){.head-actions{gap:14px}.auth-intro h1{font-size:35px}.dashboard-head{display:block}.logout{margin-top:14px}.panel{padding:24px 17px}.connect-card{padding:17px}.danger-zone{display:block}.danger{margin-top:14px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}