:root{--auth-navy:#071327;--auth-blue:#0f62fe;--auth-cyan:#78e5d1;--auth-line:#d8dee8;--auth-text:#161616;--auth-muted:#525252}*{box-sizing:border-box}html,body{margin:0;min-height:100%;font-family:"Noto Sans TC","Microsoft JhengHei",Arial,sans-serif;color:var(--auth-text);background:#f4f7fb}a{color:inherit}.auth-page{min-height:100vh;display:grid;grid-template-rows:auto 1fr}.auth-header{min-height:76px;padding:0 clamp(18px,4vw,54px);display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid #e0e0e0;background:#fff}.auth-brand{display:flex;align-items:center;gap:12px;text-decoration:none}.auth-brand img{width:44px;height:44px}.auth-brand span{display:grid}.auth-brand strong{font-size:1rem}.auth-brand small{margin-top:2px;color:#6f6f6f;font-size:.72rem}.auth-back{font-size:.86rem;font-weight:800;color:#0043ce;text-decoration:none}.auth-main{width:min(1180px,calc(100% - 32px));margin:auto;padding:56px 0;display:grid;grid-template-columns:minmax(0,1fr) minmax(360px,460px);gap:clamp(40px,7vw,96px);align-items:center}.auth-story{max-width:650px}.auth-tag{display:inline-block;color:#0f62fe;font-size:.74rem;font-weight:900;letter-spacing:.16em}.auth-story h1{margin:18px 0 22px;font-size:clamp(2.55rem,5.2vw,5rem);line-height:1.04;letter-spacing:-.05em}.auth-story>p{max-width:590px;margin:0;color:var(--auth-muted);font-size:1.02rem;line-height:1.85}.auth-points{margin:30px 0 0;padding:0;display:grid;gap:13px;list-style:none}.auth-points li{display:flex;align-items:flex-start;gap:11px;color:#393939;line-height:1.55}.auth-points li::before{content:"\2713";color:#198038;font-weight:900}.auth-card{padding:38px 40px;background:#fff;border:1px solid var(--auth-line);box-shadow:0 24px 70px rgba(7,19,39,.12)}.auth-card-logo{width:230px;max-width:100%;height:auto}.auth-card h2{margin:30px 0 8px;font-size:1.65rem}.auth-card-intro{margin:0 0 24px;color:var(--auth-muted);line-height:1.65}.auth-field{display:block;margin-top:18px;font-size:.88rem;font-weight:900}.auth-field input{width:100%;min-height:50px;margin-top:8px;padding:12px 14px;border:1px solid #8d8d8d;border-radius:0;background:#fff;font:inherit}.auth-field input:focus{outline:3px solid #78a9ff;outline-offset:0;border-color:#0f62fe}.auth-button{width:100%;min-height:50px;margin-top:24px;padding:13px 18px;display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--auth-blue);border-radius:2px;color:#fff;background:var(--auth-blue);font:inherit;font-weight:900;text-decoration:none;cursor:pointer}.auth-button:hover{background:#0043ce}.auth-button.secondary{margin-top:12px;color:#0043ce;background:#fff}.auth-button.secondary:hover{background:#edf5ff}.auth-divider{margin:24px 0;border:0;border-top:1px solid #e0e0e0}.auth-switch{margin:0;text-align:center;color:#525252;font-size:.88rem}.auth-switch a{color:#0043ce;font-weight:900}.auth-note{margin:20px 0 0;padding:14px 16px;border-left:3px solid var(--auth-cyan);color:#525252;background:#f4f4f4;font-size:.8rem;line-height:1.65}.auth-steps{margin:24px 0 0;padding:0;counter-reset:authstep;display:grid;gap:12px;list-style:none}.auth-steps li{counter-increment:authstep;display:grid;grid-template-columns:28px 1fr;gap:10px;align-items:start;color:#393939;line-height:1.55}.auth-steps li::before{content:counter(authstep);width:26px;height:26px;display:grid;place-items:center;color:#fff;background:#0f62fe;font-size:.76rem;font-weight:900}@media(max-width:820px){.auth-header{min-height:66px}.auth-brand small{display:none}.auth-main{padding:34px 0;grid-template-columns:1fr;gap:28px}.auth-story h1{font-size:2.5rem}.auth-story>p,.auth-points{display:none}.auth-card{padding:30px 24px}}@media(max-width:420px){.auth-story h1{font-size:2.1rem}.auth-card{padding:26px 18px}}