:root{--bg: #f5f6fa;--card: #ffffff;--border: #e5e7eb;--text: #1f2430;--text-dim: #6b7280;--primary: #3b5bfd;--primary-hover: #2f49d4;--primary-light: #eef1ff;--green: #16a34a;--green-light: #e8f7ee;--yellow: #b45309;--yellow-light: #fdf3e3;--red: #dc2626;--red-light: #fdeaea;--radius: 10px;--shadow: 0 1px 3px rgba(16, 24, 40, .06), 0 1px 2px rgba(16, 24, 40, .04);--topbar-h: 56px}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,sans-serif;background:var(--bg);color:var(--text);font-size:14px;line-height:1.6}a{color:var(--primary);text-decoration:none}.app-shell{display:flex;flex-direction:column;min-height:100vh}.layout{display:flex;flex:1;min-height:calc(100vh - var(--topbar-h))}.sidebar{width:220px;flex-shrink:0;background:var(--card);border-right:1px solid var(--border);display:flex;flex-direction:column;position:sticky;top:var(--topbar-h);height:calc(100vh - var(--topbar-h))}.topbar{position:sticky;top:0;z-index:30;height:var(--topbar-h);display:flex;align-items:center;gap:28px;padding:0 24px;background:var(--card);border-bottom:1px solid var(--border);box-shadow:var(--shadow)}.topbar-brand{font-size:18px;font-weight:800;color:var(--primary);letter-spacing:.5px}.topbar-nav{display:flex;align-items:center;gap:6px;flex:1}.topbar-nav a{display:flex;align-items:center;gap:6px;padding:7px 14px;border-radius:8px;color:var(--text);font-weight:500;font-size:14px}.topbar-nav a:hover{background:var(--bg)}.topbar-nav a.active{background:var(--primary-light);color:var(--primary)}.topbar-right{display:flex;align-items:center}.topbar-user{position:relative}.topbar-user-btn{display:flex;align-items:center;gap:8px;padding:5px 10px 5px 5px;border:1px solid var(--border);border-radius:999px;background:#fff;cursor:pointer;font-family:inherit;font-size:13px;color:var(--text)}.topbar-user-btn:hover{background:var(--bg)}.topbar-avatar{width:28px;height:28px;border-radius:50%;background:var(--primary);color:#fff;font-weight:700;font-size:13px;display:flex;align-items:center;justify-content:center}.topbar-caret{display:flex;color:var(--text-dim)}.topbar-mask{position:fixed;top:0;right:0;bottom:0;left:0;z-index:40}.topbar-menu{position:absolute;top:calc(100% + 8px);right:0;z-index:41;min-width:150px;background:#fff;border:1px solid var(--border);border-radius:10px;box-shadow:0 8px 24px #1018281f;padding:6px;display:flex;flex-direction:column}.topbar-menu a,.topbar-menu button{display:flex;align-items:center;gap:8px;text-align:left;padding:9px 12px;border-radius:7px;border:none;background:none;font-family:inherit;font-size:13.5px;color:var(--text);cursor:pointer}.topbar-menu a:hover,.topbar-menu button:hover{background:var(--bg)}.topbar-menu button{color:var(--red)}.sidebar-section{padding:18px 20px 6px;font-size:12px;font-weight:600;letter-spacing:.5px;color:var(--text-dim);text-transform:uppercase}.page{flex:1;padding:28px 28px 56px}.page-narrow{max-width:1000px;margin:0 auto}.hero{text-align:center;padding:48px 0 40px}.hero-badge{display:inline-block;padding:4px 12px;border-radius:999px;background:var(--primary-light);color:var(--primary);font-size:12.5px;font-weight:600;margin-bottom:18px}.hero h1{font-size:34px;line-height:1.25;margin:0 auto 14px;max-width:720px}.hero .lead{font-size:16px;color:var(--text-dim);max-width:620px;margin:0 auto 26px;line-height:1.7}.hero-cta{display:flex;gap:12px;justify-content:center}.feature-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px}.feature{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:20px}.feature-icon{display:flex;color:var(--primary);margin-bottom:8px}.feature h3{margin:0 0 6px;font-size:15.5px}.feature p{margin:0;color:var(--text-dim);font-size:13.5px;line-height:1.65}.endpoint-list{display:flex;flex-direction:column;gap:10px}.endpoint{display:flex;align-items:center;gap:12px}.steps{line-height:2;padding-left:20px;margin:0 0 16px}.steps code{background:var(--bg);padding:1px 6px;border-radius:5px}.test-row{display:flex;gap:14px}.test-row .field{margin-top:0}.textarea{width:100%;padding:9px 11px;border:1px solid var(--border);border-radius:8px;font-size:14px;font-family:inherit;background:#fff;color:var(--text);resize:vertical}.textarea:focus{outline:2px solid var(--primary-light);border-color:var(--primary)}.test-reply{margin-top:12px;padding:14px 16px;background:var(--bg);border-radius:8px;white-space:pre-wrap;line-height:1.7}@media (max-width: 760px){.test-row{flex-direction:column;gap:0}}.sidebar-brand{padding:20px 20px 16px;font-size:18px;font-weight:700;color:var(--primary);border-bottom:1px solid var(--border)}.sidebar-brand small{display:block;font-size:12px;font-weight:400;color:var(--text-dim)}.sidebar-nav{flex:1;padding:12px;display:flex;flex-direction:column;gap:4px}.sidebar-nav a{display:flex;align-items:center;gap:9px;padding:9px 12px;border-radius:8px;color:var(--text);font-weight:500}.sidebar-nav a:hover{background:var(--bg)}.sidebar-nav a.active{background:var(--primary-light);color:var(--primary)}.sidebar-nav button{display:flex;align-items:center;gap:9px;padding:9px 12px;border-radius:8px;border:none;background:none;font-family:inherit;font-size:14px;font-weight:500;color:var(--text);cursor:pointer;text-align:left}.sidebar-nav button:hover{background:var(--bg)}.sidebar-nav button.active{background:var(--primary-light);color:var(--primary)}.sidebar-user{padding:14px 16px;border-top:1px solid var(--border);font-size:13px}.sidebar-user .name{font-weight:600}.sidebar-user .plan{color:var(--text-dim);font-size:12px}.sidebar-user button{margin-top:8px;width:100%}.main{flex:1;padding:24px 28px;min-width:0}.page-title{margin:0 0 4px;font-size:22px}.page-sub{color:var(--text-dim);margin:0 0 20px}.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:20px;margin-bottom:20px}.card h3{margin:0 0 14px;font-size:16px}.stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:14px;margin-bottom:20px}.stat-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:16px 18px}.stat-card .label{color:var(--text-dim);font-size:13px}.stat-card .value{font-size:24px;font-weight:700;margin-top:4px}.field{margin-bottom:14px}.field label{display:block;font-weight:600;margin-bottom:5px}.field .help{color:var(--text-dim);font-size:12px;margin-top:4px}input[type=text],input[type=email],input[type=password],input[type=number],select{width:100%;padding:9px 11px;border:1px solid var(--border);border-radius:8px;font-size:14px;font-family:inherit;background:#fff;color:var(--text)}input:focus,select:focus{outline:2px solid var(--primary-light);border-color:var(--primary)}input[type=checkbox]{width:16px;height:16px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:9px 16px;border-radius:8px;border:1px solid var(--border);background:#fff;color:var(--text);font-size:14px;font-weight:500;cursor:pointer;font-family:inherit}.btn:hover{background:var(--bg)}.btn:disabled{opacity:.55;cursor:not-allowed}.btn-primary{background:var(--primary);border-color:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-hover)}.btn-danger{color:var(--red);border-color:#f3c2c2}.btn-danger:hover{background:var(--red-light)}.btn-sm{padding:4px 10px;font-size:13px}.table-wrap{overflow-x:auto}table{width:100%;border-collapse:collapse;font-size:13.5px}th,td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--border);white-space:nowrap}th{color:var(--text-dim);font-weight:600;font-size:12.5px;background:#fafbfc}tr:last-child td{border-bottom:none}.mono{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:12.5px}.badge{display:inline-block;padding:2px 9px;border-radius:999px;font-size:12px;font-weight:600}.badge-green{background:var(--green-light);color:var(--green)}.badge-yellow{background:var(--yellow-light);color:var(--yellow)}.badge-red{background:var(--red-light);color:var(--red)}.badge-gray{background:var(--bg);color:var(--text-dim)}.badge-blue{background:var(--primary-light);color:var(--primary)}.switch{position:relative;display:inline-block;width:38px;height:22px;cursor:pointer}.switch input{display:none}.switch .track{position:absolute;top:0;right:0;bottom:0;left:0;background:#d1d5db;border-radius:999px;transition:background .15s}.switch .track:after{content:"";position:absolute;top:3px;left:3px;width:16px;height:16px;border-radius:50%;background:#fff;transition:transform .15s}.switch input:checked+.track{background:var(--primary)}.switch input:checked+.track:after{transform:translate(16px)}.modal-mask{position:fixed;top:0;right:0;bottom:0;left:0;background:#0f142373;display:flex;align-items:center;justify-content:center;z-index:100;padding:20px}.modal{background:#fff;border-radius:12px;width:100%;max-width:520px;max-height:90vh;overflow-y:auto;padding:24px}.modal-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}.modal-head h3{margin:0;font-size:17px}.modal-close{border:none;background:none;font-size:22px;line-height:1;color:#8a8f9d;cursor:pointer;padding:2px 6px;border-radius:6px}.modal-close:hover{color:#333;background:#f0f1f4}.modal-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:20px}.alert{padding:11px 14px;border-radius:8px;font-size:13.5px;margin-bottom:14px}.alert-error{background:var(--red-light);color:var(--red)}.alert-warn{background:var(--yellow-light);color:var(--yellow)}.alert-info{background:var(--primary-light);color:var(--primary)}.alert-success{background:var(--green-light);color:var(--green)}.progress{height:8px;background:var(--bg);border-radius:999px;overflow:hidden}.progress>div{height:100%;background:var(--primary);border-radius:999px;transition:width .3s}.progress.full>div{background:var(--red)}.code-block{position:relative;background:#141a2a;color:#dbe4ff;border-radius:8px;padding:14px 16px;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:12.5px;line-height:1.7;overflow-x:auto;white-space:pre}.code-block .copy-btn{position:absolute;top:8px;right:8px;background:#ffffff1f;border:none;color:#dbe4ff;padding:4px 10px;border-radius:6px;cursor:pointer;font-size:12px}.code-block .copy-btn:hover{background:#ffffff38}.auth-page{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:20px}.auth-card{background:var(--card);border:1px solid var(--border);border-radius:14px;box-shadow:var(--shadow);width:100%;max-width:400px;padding:32px}.auth-card h1{margin:0;font-size:22px;color:var(--primary)}.auth-card .sub{color:var(--text-dim);margin:6px 0 22px}.auth-tabs{display:flex;gap:8px;margin-bottom:22px}.auth-tabs button{flex:1;padding:8px;border:1px solid var(--border);background:#fff;border-radius:8px;cursor:pointer;font-size:14px;font-family:inherit;color:var(--text-dim)}.auth-tabs button.active{background:var(--primary-light);border-color:var(--primary);color:var(--primary);font-weight:600}.plan-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px;margin-bottom:24px}.plan-card{background:var(--card);border:2px solid var(--border);border-radius:var(--radius);padding:22px;position:relative}.plan-card.current{border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-light)}.plan-card .plan-name{font-size:17px;font-weight:700}.plan-card .plan-price{font-size:26px;font-weight:700;margin:10px 0}.plan-card .plan-price small{font-size:13px;font-weight:400;color:var(--text-dim)}.plan-card .plan-quota{color:var(--text-dim);margin-bottom:16px}.plan-card .current-tag{position:absolute;top:14px;right:14px}.row{display:flex;align-items:center;gap:10px}.spread{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}.muted{color:var(--text-dim)}.truncate{max-width:220px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.empty{text-align:center;color:var(--text-dim);padding:36px 0}.pagination{display:flex;align-items:center;justify-content:flex-end;gap:10px;margin-top:14px}.loading-page{min-height:100vh;display:flex;align-items:center;justify-content:center;color:var(--text-dim)}.checkbox-row{display:flex;align-items:center;gap:8px}@media (max-width: 760px){.sidebar{width:64px}.sidebar-brand small,.sidebar-nav a span,.sidebar-nav button span,.sidebar-user{display:none}.main{padding:16px}}