.auth-page{position:relative}.auth-page a{color:inherit;text-decoration:none}.auth-page button,.auth-page input,.auth-page select{font-family:inherit}.auth-page input{color:inherit}.auth-topbar{position:absolute;top:0;left:0;right:0;z-index:5;height:64px;display:flex;align-items:center;justify-content:space-between;padding:0 32px;pointer-events:none}.auth-topbar>*{pointer-events:auto}.auth-topbar .home-back{display:inline-flex;align-items:center;gap:6px;font-size:13px;color:hsla(0,0%,100%,.72);transition:color var(--dur) var(--ease);margin-left:auto}.auth-topbar .home-back:hover{color:var(--accent-light)}.auth-topbar .home-back svg{width:14px;height:14px}@media (max-width:980px){.auth-topbar{display:none}}.auth-shell{min-height:100vh;display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,1fr)}@media (max-width:980px){.auth-shell{grid-template-columns:1fr}}.auth-left{position:relative;overflow:hidden;background:#14213a;color:#fff;padding:96px 64px 56px;display:flex;flex-direction:column;isolation:isolate}.auth-left-bg{position:absolute;inset:0;z-index:-2;overflow:hidden}.auth-left-bg img{position:absolute;inset:0;width:100%;height:100%;-o-object-fit:cover;object-fit:cover;-o-object-position:center;object-position:center;opacity:.78}.auth-left:before{background:linear-gradient(180deg,rgba(20,33,58,.72),rgba(20,33,58,.35) 14%,rgba(20,33,58,.1) 28%,rgba(20,33,58,.1) 42%,rgba(20,33,58,.55) 60%,rgba(20,33,58,.86) 80%,rgba(20,33,58,.95))}.auth-left:after,.auth-left:before{content:"";position:absolute;inset:0;z-index:-1}.auth-left:after{background:radial-gradient(820px 540px at 88% 18%,rgba(184,134,11,.1),transparent 62%),radial-gradient(680px 580px at 12% 92%,rgba(44,82,130,.18),transparent 65%),radial-gradient(circle at 22% 28%,hsla(0,0%,100%,.02) 0,transparent 45%),radial-gradient(circle at 78% 72%,hsla(0,0%,100%,.02) 0,transparent 45%)}@media (max-width:1280px){.auth-left{padding:88px 48px 48px}}@media (max-width:980px){.auth-left{padding:28px 24px 32px;min-height:auto}.auth-left-bg img{opacity:.22}}.auth-brand{display:inline-flex;align-items:center;gap:12px;line-height:1;position:relative;z-index:1}.auth-brand-mark{width:44px;height:44px;flex:0 0 auto;filter:brightness(0) invert(1) drop-shadow(0 1px 2px rgba(0,0,0,.45)) drop-shadow(0 2px 6px rgba(0,0,0,.35));opacity:.96}.auth-brand-text{display:flex;flex-direction:column;gap:4px}.auth-brand-zh{font-family:var(--font-heading);font-weight:600;font-size:19px;color:#fff;line-height:1.1;text-shadow:0 1px 3px rgba(0,0,0,.55),0 2px 12px rgba(0,0,0,.35)}.auth-brand-en{font-size:9px;letter-spacing:1.6px;text-transform:uppercase;color:hsla(0,0%,100%,.72);line-height:1.1;text-shadow:0 1px 2px rgba(0,0,0,.5)}@media (max-width:980px){.auth-brand-mark{width:36px;height:36px}.auth-brand-zh{font-size:17px}}.auth-marketing{margin-top:auto;max-width:480px;position:relative;z-index:1;text-shadow:0 1px 3px rgba(0,0,0,.55),0 2px 14px rgba(0,0,0,.35)}.auth-marketing .eyebrow{display:inline-flex;align-items:center;gap:8px;padding:5px 12px;border-radius:999px;background:rgba(20,33,58,.55);border:1px solid rgba(184,134,11,.32);font-size:10.5px;font-weight:500;letter-spacing:1.8px;text-transform:uppercase;color:var(--accent-light);backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);text-shadow:none}.auth-marketing .eyebrow .dot{width:5px;height:5px;border-radius:999px;background:var(--accent-light);box-shadow:0 0 0 3px rgba(212,168,67,.18)}.auth-marketing h1{margin:22px 0 0;font-family:var(--font-heading);font-weight:600;font-size:clamp(28px,3.4vw,40px);line-height:1.22;letter-spacing:-.008em;color:#fff;text-wrap:pretty}.auth-marketing h1 em{font-style:italic;color:var(--accent-light);font-weight:600;text-shadow:0 0 1px rgba(20,33,58,.9),0 1px 2px rgba(20,33,58,.85),0 2px 10px rgba(20,33,58,.55),0 0 24px rgba(20,33,58,.35)}.auth-marketing .sub{margin:18px 0 0;max-width:460px;font-size:15px;line-height:1.7;color:hsla(0,0%,100%,.72)}.auth-stats{margin-top:40px;display:grid;grid-template-columns:repeat(3,1fr);gap:0;padding:22px 0;border-top:1px solid hsla(0,0%,100%,.1);border-bottom:1px solid hsla(0,0%,100%,.1)}.auth-stats .cell{padding:0 22px;border-right:1px solid hsla(0,0%,100%,.08)}.auth-stats .cell:first-child{padding-left:0}.auth-stats .cell:last-child{padding-right:0;border-right:0}.auth-stats .num{font-family:var(--font-heading);font-weight:600;font-size:28px;line-height:1;color:var(--accent-light);font-variant-numeric:tabular-nums;letter-spacing:-.005em;display:flex;align-items:baseline;gap:3px}.auth-stats .num .unit{font-size:12px;color:hsla(0,0%,100%,.55);font-weight:500;margin-left:2px;letter-spacing:0}.auth-stats .lbl{margin-top:8px;font-size:11.5px;color:hsla(0,0%,100%,.55);line-height:1.4}.auth-stats .sb{margin-top:3px;font-size:10px;letter-spacing:1px;color:hsla(0,0%,100%,.4);font-variant-numeric:tabular-nums}.auth-features{margin-top:32px;display:flex;flex-direction:column;gap:16px;list-style:none;padding:0}.auth-features .feat{display:flex;align-items:flex-start;gap:14px;font-size:14px;line-height:1.55;color:hsla(0,0%,100%,.8)}.auth-features .feat .ic{width:22px;height:22px;border-radius:999px;background:rgba(184,134,11,.18);border:1px solid rgba(184,134,11,.36);display:inline-flex;align-items:center;justify-content:center;flex:0 0 auto;margin-top:1px}.auth-features .feat .ic svg{width:11px;height:11px;stroke:var(--accent-light);stroke-width:2.5;fill:none;stroke-linecap:round;stroke-linejoin:round}.auth-features .feat strong{font-weight:600;color:#fff;margin-right:6px}@media (max-width:980px){.auth-marketing{margin-top:18px;max-width:none}.auth-marketing h1{font-size:clamp(20px,5vw,24px);margin-top:14px}.auth-marketing .sub{margin-top:10px;font-size:13.5px;line-height:1.6;max-width:none}.auth-features,.auth-stats{display:none}}.auth-right{display:flex;align-items:stretch;justify-content:center;background:var(--bg);padding:64px 48px;position:relative}.auth-right:before{content:"";position:absolute;inset:0;background:radial-gradient(900px 600px at 100% 0,rgba(184,134,11,.06),transparent 60%),radial-gradient(700px 500px at 0 100%,rgba(30,58,95,.05),transparent 60%);pointer-events:none}@media (max-width:980px){.auth-right{padding:32px 20px 56px}}.auth-form-wrap{width:100%;max-width:420px;margin:auto;position:relative;z-index:1;display:flex;flex-direction:column}.auth-switch{display:flex;align-items:center;justify-content:flex-end;gap:6px;font-size:13px;color:var(--text-tertiary);margin-bottom:36px}.auth-switch a{font-weight:500;color:var(--primary);display:inline-flex;align-items:center;gap:4px;transition:color var(--dur) var(--ease),gap var(--dur) var(--ease)}.auth-switch a:hover{color:var(--primary-light);gap:7px}@media (max-width:980px){.auth-switch{margin-bottom:24px}}.auth-title{margin-bottom:32px}.auth-title .eyebrow{font-size:11px;font-weight:500;text-transform:uppercase;letter-spacing:2.2px;color:var(--accent)}.auth-title h1{margin:10px 0 0;font-family:var(--font-heading);font-weight:600;font-size:32px;line-height:1.2;color:var(--text);letter-spacing:-.005em}.auth-title .sub{margin:12px 0 0;font-size:14px;line-height:1.65;color:var(--text-tertiary)}.field{margin-bottom:18px}.field-label{display:block;font-size:11.5px;font-weight:500;color:var(--text-secondary);margin-bottom:8px;letter-spacing:.02em}.field-label .opt{font-size:10.5px;color:var(--text-muted);font-weight:400;margin-left:6px;letter-spacing:0}.input-wrap{position:relative;display:flex;align-items:center;background:var(--surface-dim);border:1px solid transparent;border-radius:var(--radius);transition:background var(--dur) var(--ease),border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease)}.input-wrap:hover{background:#ece9de}.input-wrap:focus-within{background:#fff;border-color:var(--primary);box-shadow:0 0 0 3px rgba(30,58,95,.1)}.input-wrap .prefix{display:inline-flex;align-items:center;justify-content:center;width:40px;height:100%;flex:0 0 auto;color:var(--text-muted);transition:color var(--dur) var(--ease)}.input-wrap:focus-within .prefix{color:var(--primary)}.input-wrap .prefix svg{width:16px;height:16px}.input-wrap input{flex:1;min-width:0;border:0;background:transparent;padding:12px 14px 12px 0;font-size:14.5px;color:var(--text);outline:none;letter-spacing:.01em;height:44px}.input-wrap input::-moz-placeholder{color:var(--text-muted);font-size:14px}.input-wrap input::placeholder{color:var(--text-muted);font-size:14px}.input-wrap .suffix{display:inline-flex;align-items:center;justify-content:center;width:40px;height:100%;flex:0 0 auto;background:transparent;border:0;cursor:pointer;color:var(--text-muted);transition:color var(--dur) var(--ease)}.input-wrap .suffix:hover{color:var(--primary)}.input-wrap .suffix svg{width:16px;height:16px}.field-hint{margin-top:6px;font-size:11.5px;color:var(--text-muted);line-height:1.5;letter-spacing:.01em}.field-hint.is-error{color:var(--rush)}.field-hint.is-ok{color:var(--safe)}.strength{margin-top:8px;display:flex;align-items:center;gap:10px}.strength-bars{display:flex;gap:4px;flex:1}.strength-bars span{flex:1;height:3px;border-radius:999px;background:var(--border);transition:background var(--dur) var(--ease)}.strength-bars[data-level="1"] span:nth-child(-n+1),.strength-bars[data-level="2"] span:nth-child(-n+2),.strength-bars[data-level="3"] span:nth-child(-n+3),.strength-bars[data-level="4"] span:nth-child(-n+4){background:var(--accent)}.strength-bars[data-level="3"] span:nth-child(-n+3),.strength-bars[data-level="4"] span:nth-child(-n+4){background:var(--safe)}.strength-bars[data-level="1"] span:nth-child(-n+1){background:var(--rush)}.strength-label{font-size:11px;color:var(--text-muted);font-weight:500;letter-spacing:.04em;font-variant-numeric:tabular-nums;min-width:40px;text-align:right}.field-row{display:flex;justify-content:space-between;gap:12px;margin:22px 0 24px;flex-wrap:wrap}.cbx,.field-row{align-items:center;font-size:13px;color:var(--text-tertiary)}.cbx{display:inline-flex;gap:8px;cursor:pointer;-webkit-user-select:none;-moz-user-select:none;user-select:none;line-height:1.5}.cbx input{position:absolute;opacity:0;pointer-events:none}.cbx .box{width:16px;height:16px;border-radius:4px;background:var(--surface-dim);border:1px solid var(--ring);display:inline-flex;align-items:center;justify-content:center;flex:0 0 auto;transition:all var(--dur) var(--ease)}.cbx .box svg{width:10px;height:10px;stroke:#fff;stroke-width:3;fill:none;stroke-linecap:round;stroke-linejoin:round;opacity:0;transition:opacity var(--dur) var(--ease)}.cbx input:checked~.box{background:var(--primary);border-color:var(--primary)}.cbx input:checked~.box svg{opacity:1}.cbx input:focus-visible~.box{box-shadow:0 0 0 3px rgba(30,58,95,.18)}.cbx:hover .box{border-color:var(--primary)}.field-row .hint-link{font-size:12.5px;color:var(--text-muted)}.btn-submit{width:100%;height:48px;border:0;border-radius:var(--radius-lg);color:#fff;background:linear-gradient(135deg,var(--primary),var(--primary-light));font-size:15px;font-weight:600;letter-spacing:.02em;box-shadow:var(--shadow-glow-primary);cursor:pointer;display:inline-flex;align-items:center;justify-content:center;gap:8px;transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease)}.btn-submit:hover{transform:translateY(-1px);box-shadow:var(--shadow-glow-primary-lg)}.btn-submit:active{transform:translateY(0)}.btn-submit:disabled{cursor:not-allowed;opacity:.7}.btn-submit:disabled:hover{transform:none;box-shadow:var(--shadow-glow-primary)}.btn-submit .arrow{font-size:16px;line-height:1;transition:transform var(--dur) var(--ease)}.btn-submit:hover:not(:disabled) .arrow{transform:translateX(3px)}.auth-legal{margin-top:28px;font-size:12px;line-height:1.65;color:var(--text-muted);text-align:center}.auth-legal .lk,.auth-legal a{color:var(--text-tertiary);transition:color var(--dur) var(--ease);border-bottom:1px dotted hsla(47,4%,40%,.35);padding-bottom:1px}.auth-legal .lk:hover,.auth-legal a:hover{color:var(--primary);border-bottom-color:rgba(30,58,95,.4)}.auth-legal .faint{display:block;margin-top:6px;font-size:11.5px;color:var(--text-faint)}.auth-divider{margin:28px 0 0;display:flex;align-items:center;gap:14px;font-size:10.5px;color:var(--text-faint);letter-spacing:2px;text-transform:uppercase}.auth-divider:after,.auth-divider:before{content:"";flex:1;height:1px;background:linear-gradient(90deg,transparent,var(--border),transparent)}.auth-trust{margin-top:32px;display:flex;align-items:center;justify-content:center;gap:18px;font-size:11px;color:var(--text-muted);letter-spacing:1.4px;text-transform:uppercase}.auth-trust .pp{display:inline-flex;align-items:center;gap:6px}.auth-trust .pp:before{content:"✓";color:var(--accent);font-size:12px}.fade-up{animation:fadeUp .6s var(--ease) both}.fade-up.d1{animation-delay:60ms}.fade-up.d2{animation-delay:.14s}.fade-up.d3{animation-delay:.22s}.fade-up.d4{animation-delay:.3s}.fade-up.d5{animation-delay:.38s}@keyframes fadeUp{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}@media (prefers-reduced-motion:reduce){.fade-up{animation:none}}