:root{--brand:#55bde5;--brand-dark:#258db8;--bg:#f5f8fb;--surface:#fff;--text:#172331;--muted:#6a7887;--line:#dfe8ef;--success:#238a57;--danger:#c93f4a;--warning:#a66c00;--shadow:0 10px 30px rgba(26,61,82,.08)}*{box-sizing:border-box}body{margin:0;font-family:Inter,"PingFang SC","Microsoft YaHei",sans-serif;background:var(--bg);color:var(--text);line-height:1.65}a{color:var(--brand-dark);text-decoration:none}button,input,select,textarea{font:inherit}.container{width:min(1180px,calc(100% - 32px));margin:auto}.topbar{height:68px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;position:sticky;top:0;z-index:30}.nav{display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{font-size:20px;font-weight:800;color:var(--text);display:flex;align-items:center;gap:10px}.brand-mark{width:34px;height:34px;border-radius:10px;background:linear-gradient(135deg,var(--brand),var(--brand-dark));display:inline-block}.nav-links{display:flex;align-items:center;gap:18px}.nav-links a{color:var(--text);font-size:14px}.main{padding:32px 0 60px}.hero{padding:80px 0;background:radial-gradient(circle at 80% 20%,rgba(85,189,229,.28),transparent 34%),linear-gradient(135deg,#fafdff,#eaf6fb)}.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:50px;align-items:center}.hero h1{font-size:46px;line-height:1.2;margin:0 0 20px}.hero p{font-size:18px;color:var(--muted);max-width:650px}.hero-card{background:#fff;border:1px solid var(--line);border-radius:22px;padding:30px;box-shadow:var(--shadow)}.hero-card .metric{display:flex;justify-content:space-between;padding:16px 0;border-bottom:1px solid var(--line)}.hero-card .metric:last-child{border:0}.grid{display:grid;gap:20px}.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}.card{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:22px;box-shadow:0 4px 16px rgba(26,61,82,.04)}.card h2,.card h3{margin-top:0}.stat{font-size:30px;font-weight:800}.muted{color:var(--muted)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:10px;padding:10px 18px;cursor:pointer;font-weight:700;background:var(--brand);color:#fff}.btn:hover{background:var(--brand-dark);color:#fff}.btn-secondary{background:#edf5f8;color:var(--text)}.btn-secondary:hover{background:#dcecf2;color:var(--text)}.btn-danger{background:#fcebed;color:var(--danger)}.btn-danger:hover{background:#f5d4d8;color:var(--danger)}.btn-sm{padding:7px 12px;font-size:13px}.actions{display:flex;gap:10px;align-items:center;flex-wrap:wrap}.form-group{margin-bottom:18px}.form-label{display:block;font-weight:700;margin-bottom:7px}.form-control{width:100%;border:1px solid #cfdce5;background:#fff;border-radius:10px;padding:11px 13px;outline:none}.form-control:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(85,189,229,.15)}textarea.form-control{min-height:120px;resize:vertical}.help{font-size:13px;color:var(--muted);margin-top:5px}.error{font-size:13px;color:var(--danger);margin-top:5px}.alert{padding:13px 16px;border-radius:10px;margin-bottom:18px}.alert-success{background:#e8f7ef;color:#176a42}.alert-danger{background:#fdebed;color:#a72734}.table-wrap{overflow:auto}.table{width:100%;border-collapse:collapse}.table th,.table td{padding:13px 12px;border-bottom:1px solid var(--line);text-align:left;white-space:nowrap}.table th{font-size:13px;color:var(--muted);background:#f8fbfd}.badge{display:inline-flex;padding:4px 9px;border-radius:999px;font-size:12px;font-weight:700;background:#edf3f6;color:#52616d}.badge-success{background:#e5f6ec;color:var(--success)}.badge-danger{background:#fdebed;color:var(--danger)}.badge-warning{background:#fff4d6;color:var(--warning)}.progress{height:10px;background:#e8eff3;border-radius:999px;overflow:hidden}.progress>span{display:block;height:100%;background:linear-gradient(90deg,var(--brand),var(--brand-dark));transition:width .3s}.auth-shell{min-height:calc(100vh - 68px);display:grid;place-items:center;padding:40px 0}.auth-card{width:min(460px,calc(100% - 32px));background:#fff;border:1px solid var(--line);border-radius:18px;padding:30px;box-shadow:var(--shadow)}.article-body{background:#fff;border:1px solid var(--line);border-radius:16px;padding:32px}.article-body h1,.article-body h2,.article-body h3{line-height:1.35}.article-body pre{overflow:auto;background:#172331;color:#e7edf2;padding:16px;border-radius:10px}.article-body table{border-collapse:collapse;width:100%}.article-body th,.article-body td{border:1px solid var(--line);padding:9px}.sidebar-layout{display:grid;grid-template-columns:220px 1fr;gap:24px}.sidebar{background:#fff;border:1px solid var(--line);border-radius:14px;padding:14px;height:max-content;position:sticky;top:92px}.sidebar a{display:block;padding:10px 12px;border-radius:8px;color:var(--text)}.sidebar a:hover{background:#eff7fa}.page-header{display:flex;justify-content:space-between;align-items:flex-start;gap:20px;margin-bottom:22px}.page-header h1{margin:0;font-size:28px}.pagination{margin-top:18px}.footer{padding:30px 0;border-top:1px solid var(--line);background:#fff;color:var(--muted)}@media(max-width:800px){.hero-grid,.grid-2,.grid-3,.sidebar-layout{grid-template-columns:1fr}.hero h1{font-size:34px}.nav-links a.hide-mobile{display:none}.sidebar{position:static}.page-header{flex-direction:column}}
.compact-header{margin-bottom:14px}.section-title{margin:24px 0 14px;padding-top:18px;border-top:1px solid var(--line);font-weight:800;font-size:17px}.settings-details{border:1px solid var(--line);border-radius:12px;padding:0 14px;background:#fafcfd}.settings-details summary{cursor:pointer;padding:13px 0;font-weight:700}.settings-grid{padding:8px 0 2px}.checkbox-row{display:flex;align-items:center;gap:9px;margin:18px 0}.image-config-help{background:#f0f8fb;border-radius:10px;padding:11px 13px;margin:-2px 0 18px}.article-meta-card{margin-bottom:20px}.article-cover{margin:0 0 22px;background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden}.article-cover img{display:block;width:100%;height:auto;max-height:680px;object-fit:cover}
.plan-option{display:block;border:1px solid var(--line);border-radius:12px;padding:16px;margin-bottom:12px;cursor:pointer}.plan-option:has(input:checked){border-color:var(--brand);box-shadow:0 0 0 3px rgba(85,189,229,.12)}.plan-unavailable{opacity:.58;cursor:not-allowed}.plan-main{display:flex;justify-content:space-between;gap:12px}.plan-price{font-size:20px;font-weight:800}.plan-features{display:flex;gap:7px;flex-wrap:wrap;margin-top:9px}.submit-full{width:100%;margin-top:12px}
.dashboard-panels{margin-top:22px;align-items:start}
.hero-actions{margin-top:28px}.pricing-section{padding:10px 0 70px}.section-heading{text-align:center;margin-bottom:28px}.section-heading h2{font-size:30px;margin:0 0 8px}.pricing-card{display:flex;flex-direction:column}.pricing-value{font-size:34px;font-weight:800;margin:8px 0}.pricing-value small{font-size:14px;color:var(--muted);font-weight:500}.pricing-features{display:grid;gap:7px;margin:8px 0 22px}.pricing-features span:before{content:'✓';margin-right:8px;color:var(--success);font-weight:800}.pricing-button{margin-top:auto}