:root{--ink:#1f2937;--muted:#64748b;--green:#10b981;--line:#e5e9f0;--blue:#2563eb;--violet:#6366f1}*{box-sizing:border-box}body{margin:0;min-height:100vh;font-family:-apple-system,"PingFang SC","Microsoft YaHei",system-ui,sans-serif;background-color:#eef2f7;background-image:linear-gradient(rgba(148,163,184,.11) 1px,transparent 1px),linear-gradient(90deg,rgba(148,163,184,.11) 1px,transparent 1px);background-size:28px 28px;background-attachment:fixed;color:var(--ink)}.authShell{width:min(100%,460px);margin:0 auto;padding:68px 24px 40px;text-align:center}.authBrand{display:inline-flex;align-items:center;gap:10px;color:#0f172a;font:600 21px "Segoe UI",-apple-system,BlinkMacSystemFont,"Helvetica Neue","PingFang SC","Microsoft YaHei",sans-serif;text-decoration:none;letter-spacing:.01em}.authBrand .logo{width:36px;height:36px;display:block;filter:drop-shadow(0 3px 7px rgba(59,130,246,.25))}.authBrand .logo svg{display:block}.authBrand .brandT em{font-style:normal;background:linear-gradient(90deg,#06b6d4,#6366f1);-webkit-background-clip:text;background-clip:text;color:transparent;font-weight:400}.authCard{margin-top:42px;background:rgba(255,255,255,.94);border:1px solid var(--line);border-radius:18px;padding:36px 34px 30px;box-shadow:0 10px 32px rgba(15,23,42,.07)}.authMark{display:grid;place-items:center;width:48px;height:48px;margin:auto;border-radius:14px;background:linear-gradient(135deg,#22d3ee,#3b82f6 55%,#6366f1);color:#fff;font-size:25px;font-weight:800;box-shadow:0 5px 14px #3b82f633}.authCard h1{font-size:25px;margin:18px 0 8px}.authCard>p{margin:0;color:var(--muted);font-size:14px;line-height:1.7}.authTabs{display:grid;grid-template-columns:1fr 1fr;border-bottom:1px solid var(--line);margin:25px 0 22px}.authTabs button{border:0;background:transparent;padding:10px 0;color:var(--muted);font:inherit;cursor:pointer}.authTabs button.on{color:#047857;font-weight:700;border-bottom:2px solid #10b981;margin-bottom:-1px}form{text-align:left}label{display:grid;gap:8px;font-size:14px;font-weight:600}input{width:100%;border:1px solid #cbd5e1;border-radius:9px;padding:13px 14px;font:inherit;outline:0}input:focus{border-color:#10b981;box-shadow:0 0 0 3px #d1fae5}.primary{width:100%;border:0;border-radius:9px;margin-top:16px;padding:13px;background:#10b981;color:#fff;font:700 15px inherit;cursor:pointer}.primary:hover{background:#059669}.primary:disabled{opacity:.55;cursor:wait}.textBtn{display:block;border:0;background:none;color:#047857;padding:14px 0 0;margin:auto;font:inherit;cursor:pointer}.authMsg{min-height:24px!important;margin-top:14px!important;font-size:13px!important}.authMsg.ok{color:#087a40}.authMsg.err{color:#bd2c1c}.authFoot{color:var(--muted);font-size:12px;margin:22px 0}@media(max-width:480px){.authShell{padding-top:34px}.authCard{padding:28px 22px}}

/* 背景纹理与主页统一 */
body{background-color:#eef2f7;background-image:linear-gradient(rgba(148,163,184,.11) 1px,transparent 1px),linear-gradient(90deg,rgba(148,163,184,.11) 1px,transparent 1px);background-size:28px 28px;background-attachment:fixed}