:root{--ink:#17202a;--muted:#64748b;--line:#dce3e9;--brand:#087f8c;--deep:#0b2635;--paper:#f7f9fa}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font:15px/1.6 -apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif}header{height:64px;padding:0 max(24px,calc((100vw - 1220px)/2));display:flex;align-items:center;justify-content:space-between;background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:5}.brand{font-size:21px;font-weight:750;color:var(--deep);text-decoration:none}.brand small{font-size:9px;letter-spacing:1px;color:var(--brand);margin-left:5px}nav{display:flex;align-items:center;gap:20px}nav a{color:#40505e;text-decoration:none;font-size:14px}.button,button{background:var(--brand);color:#fff;border:1px solid var(--brand);padding:10px 16px;border-radius:5px;text-decoration:none;cursor:pointer;font:inherit}.button.alt,button.alt{background:#fff;color:var(--brand)}.button.small{padding:7px 12px;font-size:13px}main{max-width:1220px;margin:auto;padding:40px 24px 72px}.hero{padding:62px 0 48px;display:grid;grid-template-columns:1.1fr .9fr;gap:52px;align-items:center}.eyebrow{color:var(--brand);font-size:13px;font-weight:bold}.hero h1{font-size:46px;line-height:1.2;margin:10px 0 18px;letter-spacing:0}.hero p{font-size:18px;color:#516171;max-width:620px}.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:27px}.visual{background:var(--deep);height:310px;position:relative;border-radius:8px;overflow:hidden}.visual:before,.visual:after{content:"";position:absolute;border:1px solid rgba(255,255,255,.36);transform:rotate(-26deg)}.visual:before{width:260px;height:110px;top:95px;left:54px}.visual:after{width:160px;height:160px;top:70px;right:45px;border-radius:50%}.visual span{position:absolute;bottom:25px;left:28px;color:#fff;font-family:ui-monospace,monospace}.section{margin-top:48px}.section h2{font-size:26px;margin:0 0 16px}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.card{background:#fff;border:1px solid var(--line);border-radius:7px;padding:20px}.card h3{margin:0 0 8px;font-size:17px}.card p{color:var(--muted);margin:0}.notice{border-left:4px solid var(--brand);background:#fff;padding:12px 15px}.form{max-width:480px;background:#fff;border:1px solid var(--line);padding:26px;border-radius:7px}.form label{display:block;font-size:13px;margin:14px 0 5px;color:#475569}.form input,.form textarea,.form select{width:100%;padding:10px;border:1px solid #bdcbd4;border-radius:4px;font:inherit}.form textarea{min-height:150px}.form .row{display:flex;gap:8px}.form .row input{flex:1}.error{color:var(--deep)}.muted{color:var(--muted)}.tool-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}.tool-card{background:#fff;border:1px solid var(--line);border-top:4px solid var(--brand);padding:26px;border-radius:6px}.tool-card h2{margin-top:0}.table{width:100%;border-collapse:collapse;background:#fff}.table td,.table th{padding:11px;border-bottom:1px solid var(--line);text-align:left}.table th{font-size:12px;color:var(--muted)}.topic{display:block;text-decoration:none;color:inherit;background:#fff;border:1px solid var(--line);padding:17px;margin:10px 0;border-radius:6px}.topic:hover{border-color:var(--brand)}.tag{font-size:12px;color:var(--brand);background:#fff;border:1px solid var(--brand);padding:2px 7px;border-radius:12px}.admin-grid{display:grid;grid-template-columns:220px 1fr;gap:22px}.admin-nav a{display:block;padding:9px 12px;text-decoration:none;color:var(--ink)}.admin-panel{background:#fff;border:1px solid var(--line);padding:20px;border-radius:6px}.dialog{position:fixed;inset:0;background:#0008;display:flex;justify-content:center;align-items:center;z-index:9}.dialog>div{background:#fff;padding:24px;border-radius:7px;width:min(520px,92vw)}footer{padding:28px;text-align:center;border-top:1px solid var(--line);color:var(--muted);font-size:13px;background:#fff}footer .icp-record{margin-top:6px}footer .icp-record a{color:inherit;text-decoration:none}footer .icp-record a:hover{color:var(--brand);text-decoration:underline}@media(max-width:760px){header{padding:0 16px}nav{gap:10px}nav a:not(.button){display:none}.hero,.tool-grid,.grid,.admin-grid{grid-template-columns:1fr}.hero{padding-top:28px}.hero h1{font-size:34px}.visual{height:220px}main{padding:28px 16px}}
.tool-grid{grid-template-columns:repeat(3,minmax(0,1fr))}@media(max-width:900px){.tool-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:760px){.tool-grid{grid-template-columns:1fr}}.account-settings-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.account-settings-grid label{display:block;font-size:13px;margin:13px 0 5px;color:#475569}.account-settings-grid input,.account-settings-grid textarea{width:100%;padding:10px;border:1px solid #bdcbd4;border-radius:4px;font:inherit}.account-profile-card{display:flex;align-items:center;gap:14px}.account-profile-card h3{margin:0 0 3px}.account-avatar-wrap{width:68px;height:68px;position:relative;flex:0 0 68px}.account-avatar,.account-avatar-fallback{width:68px;height:68px;border-radius:50%;display:grid;place-items:center;overflow:hidden;border:1px solid var(--line);background:#e8f4f2;color:var(--brand);font-size:25px;font-weight:700}.account-avatar{position:absolute;object-fit:cover}.account-avatar-fallback[hidden],.account-avatar[hidden]{display:none}.account-avatar-button{display:inline-flex!important;margin-top:9px!important;align-items:center}.account-avatar-button input{display:none!important}@media(max-width:900px){.account-settings-grid{grid-template-columns:1fr 1fr}.account-profile-card{grid-column:1/-1}}@media(max-width:620px){.account-settings-grid{grid-template-columns:1fr}.account-profile-card{grid-column:auto}}