:root{color-scheme:light;--ink:#172033;--muted:#667085;--line:#e4e8ef;--primary:#176b5b;--primary-dark:#0f5246;--surface:#fff;--danger:#b42318;--success:#087a63;font-family:"Microsoft YaHei","PingFang SC",system-ui,-apple-system,sans-serif}*{box-sizing:border-box}html,body{min-height:100%;margin:0}body{background:#eef3f7;color:var(--ink)}button,input,textarea{font:inherit}.hidden{display:none!important}.page-loading{position:fixed;inset:0;z-index:20;display:grid;place-content:center;justify-items:center;gap:14px;background:#f6f8fb;color:var(--muted)}.page-loading p{margin:0}.loading-mark,.brand-mark{display:grid;place-items:center;width:44px;height:44px;border-radius:14px;background:linear-gradient(145deg,#1a7f6b,#0e584a);color:#fff;font-weight:800;box-shadow:0 10px 24px rgba(17,105,87,.2)}.auth-view{min-height:100vh;display:grid;grid-template-columns:minmax(390px,1.05fr) minmax(420px,.95fr)}.auth-story{position:relative;display:flex;min-height:100vh;flex-direction:column;justify-content:space-between;padding:50px clamp(42px,6vw,96px);overflow:hidden;background:radial-gradient(circle at 70% 20%,rgba(72,187,155,.22),transparent 36%),linear-gradient(145deg,#102a3b 0%,#183c49 55%,#125a4e 100%);color:#fff}.auth-story:after{content:"";position:absolute;right:-130px;bottom:-160px;width:440px;height:440px;border:1px solid rgba(255,255,255,.12);border-radius:50%;box-shadow:0 0 0 70px rgba(255,255,255,.03),0 0 0 140px rgba(255,255,255,.02)}.brand{position:relative;z-index:1;display:inline-flex;align-items:center;gap:13px;color:inherit;text-decoration:none}.brand>span:last-child{display:flex;flex-direction:column;gap:3px}.brand b{font-size:18px}.brand small{font-size:10px;letter-spacing:.16em;opacity:.68}.story-copy{position:relative;z-index:1;max-width:620px}.eyebrow{display:inline-flex;margin-bottom:18px;padding:6px 11px;border:1px solid rgba(255,255,255,.2);border-radius:999px;font-size:12px;letter-spacing:.12em;color:#ccece4}.story-copy h1{margin:0 0 22px;font-size:clamp(38px,5vw,66px);line-height:1.12;letter-spacing:-.04em}.story-copy p{max-width:560px;margin:0;color:rgba(255,255,255,.75);font-size:17px;line-height:1.9}.trust-line{position:relative;z-index:1;display:flex;flex-wrap:wrap;gap:24px;color:rgba(255,255,255,.78);font-size:13px}.trust-line span:before{content:"✓";margin-right:7px;color:#7de0c5}.auth-panel{display:grid;min-height:100vh;place-items:center;padding:44px;background:linear-gradient(180deg,#f7f9fc,#eef3f7)}.auth-card{width:min(100%,480px);padding:38px;border:1px solid rgba(20,48,66,.08);border-radius:24px;background:var(--surface);box-shadow:0 24px 60px rgba(31,45,61,.12)}.auth-tabs{display:grid;grid-template-columns:1fr 1fr;margin-bottom:30px;padding:5px;border-radius:12px;background:#f0f3f6}.auth-tabs button{border:0;border-radius:9px;background:transparent;padding:11px;color:var(--muted);cursor:pointer}.auth-tabs button.active{background:#fff;color:var(--ink);font-weight:700;box-shadow:0 3px 12px rgba(26,45,61,.08)}.auth-form{display:grid;gap:17px}.form-heading{margin-bottom:4px}.form-heading h2,.modal-title{margin:0 0 7px;font-size:25px}.form-heading p,.modal-sub{margin:0;color:var(--muted);line-height:1.65}.auth-form label,.field{display:grid;gap:8px}.auth-form label>span,.field>span{font-size:13px;font-weight:700;color:#344054}.auth-form input,.field input,.field textarea{width:100%;border:1px solid var(--line);border-radius:11px;background:#fff;padding:13px 14px;outline:none;transition:.18s border-color,.18s box-shadow}.auth-form input:focus,.field input:focus,.field textarea:focus{border-color:#3b9b86;box-shadow:0 0 0 4px rgba(23,107,91,.1)}.agreement{grid-template-columns:auto 1fr!important;align-items:flex-start}.agreement input{width:auto;margin-top:4px}.agreement span{font-weight:400!important;line-height:1.65}.website-field{position:absolute!important;left:-9999px!important;width:1px!important;height:1px!important;opacity:0!important}.primary-btn,.text-btn{border:0;cursor:pointer}.primary-btn{border-radius:11px;background:var(--primary);padding:13px 18px;color:#fff;font-weight:700;box-shadow:0 8px 20px rgba(23,107,91,.2)}.primary-btn:hover{background:var(--primary-dark)}.primary-btn:disabled{cursor:not-allowed;opacity:.6}.wide{width:100%}.text-btn{background:transparent;padding:8px;color:var(--primary)}.auth-foot{margin-top:24px;border-top:1px solid var(--line);padding-top:20px;text-align:center;color:#98a2b3;font-size:12px}.toast-stack{position:fixed;z-index:80;top:20px;right:20px;display:grid;gap:10px;max-width:min(420px,calc(100vw - 32px))}.toast{border-left:4px solid var(--primary);border-radius:10px;background:#fff;padding:13px 16px;color:var(--ink);box-shadow:0 12px 28px rgba(31,45,61,.18);line-height:1.5}.toast.error{border-left-color:var(--danger)}.toast.success{border-left-color:var(--success)}.modal{position:fixed;z-index:70;inset:0;display:grid;place-items:center;padding:20px}.modal-backdrop{position:absolute;inset:0;background:rgba(11,22,35,.58);backdrop-filter:blur(3px)}.modal-card{position:relative;width:min(100%,520px);max-height:min(760px,calc(100vh - 40px));overflow:auto;border-radius:20px;background:#fff;padding:30px;box-shadow:0 30px 80px rgba(0,0,0,.25)}.modal-close{position:absolute;right:15px;top:13px;width:35px;height:35px;border:0;border-radius:50%;background:#f2f4f7;color:#475467;font-size:22px;cursor:pointer}.modal-card form{display:grid;gap:16px;margin-top:22px}.modal-card textarea{min-height:110px;resize:vertical}.wizard-actions{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:8px}.wizard-actions>span{color:var(--muted);font-size:12px}.reference-batch{border-radius:10px;background:#f0f8f5;padding:12px;color:#315f55;font-size:13px;line-height:1.6}.danger-screen{padding:18px;border:1px solid #f3b7b2;border-radius:12px;background:#fff4f3;color:#912018}.danger-screen b{display:block;margin-bottom:8px}.danger-screen p{margin:0;line-height:1.6}.invite-summary{display:grid;gap:6px;margin:16px 0;padding:14px;border-radius:12px;background:#f5f7fa;color:#475467}.invite-summary b{color:var(--ink)}@media(max-width:900px){.auth-view{grid-template-columns:1fr}.auth-story{min-height:340px;padding:34px 30px}.story-copy{margin:56px 0}.story-copy h1{font-size:38px}.story-copy p{font-size:15px}.auth-panel{min-height:auto;padding:28px 18px 48px}.auth-card{padding:28px}}@media(max-width:560px){.auth-story{min-height:270px;padding:26px 22px}.story-copy{margin:36px 0 20px}.story-copy h1{font-size:30px}.story-copy p{display:none}.trust-line{gap:12px;font-size:12px}.auth-panel{padding:18px 12px 34px}.auth-card{padding:22px 18px;border-radius:18px}.toast-stack{top:12px;right:12px}.modal{padding:12px}.modal-card{padding:25px 18px}.wizard-actions{align-items:stretch;flex-direction:column}.wizard-actions .primary-btn{width:100%}}