:root{
  --primary:#06b6d4; --primary-2:#3b82f6; --primary-grad:linear-gradient(135deg,#06b6d4,#3b82f6);
  --bg:#f4f7fb; --card:#ffffff; --text:#1f2937; --muted:#6b7280;
  --line:#e8ecf2; --radius:16px; --shadow:0 6px 22px rgba(15,23,42,.06);
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent;}
html,body{margin:0;padding:0;}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;background:var(--bg);color:var(--text);}
.app{min-height:100vh;display:flex;flex-direction:column;max-width:480px;margin:0 auto;background:var(--bg);}
.top{position:sticky;top:0;z-index:20;background:var(--primary-grad);color:#fff;padding:14px 16px;display:flex;align-items:center;gap:10px;box-shadow:0 4px 14px rgba(6,182,212,.25);}
.top .back{font-size:20px;opacity:.9;}
.top-title{font-size:17px;font-weight:700;letter-spacing:.5px;}
.top .sub{font-size:12px;opacity:.85;margin-left:auto;}
.main{flex:1;padding:14px 14px 90px;}

/* 卡片 */
.card{background:var(--card);border-radius:var(--radius);padding:16px;box-shadow:var(--shadow);margin-bottom:14px;}
.card h3{margin:0 0 12px;font-size:15px;display:flex;align-items:center;gap:8px;color:var(--text);}
.card h3 .dot{width:8px;height:8px;border-radius:50%;background:var(--primary);}
.muted{color:var(--muted);font-size:12px;}

/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;border:none;border-radius:12px;padding:11px 18px;font-size:14px;font-weight:600;cursor:pointer;transition:.15s;font-family:inherit;}
.btn-primary{background:var(--primary-grad);color:#fff;box-shadow:0 6px 16px rgba(6,182,212,.3);}
.btn-secondary{background:#eef2f7;color:#334155;}
.btn-ghost{background:transparent;border:1.5px solid var(--primary);color:var(--primary);}
.btn-danger{background:#ef4444;color:#fff;}
.btn-sm{padding:7px 12px;font-size:12px;border-radius:10px;}
.btn-block{display:flex;width:100%;}
.btn:active{transform:scale(.97);}
.row{display:flex;flex-wrap:wrap;gap:10px;align-items:center;}

/* 单元格 */
.cell{display:flex;align-items:center;gap:12px;padding:13px 4px;border-bottom:1px solid var(--line);}
.cell:last-child{border-bottom:none;}
.cell .ic{width:36px;height:36px;border-radius:10px;background:linear-gradient(135deg,#e0f7fa,#dbeafe);display:flex;align-items:center;justify-content:center;font-size:18px;}
.cell .tt{font-size:14px;font-weight:600;}
.cell .ds{font-size:12px;color:var(--muted);}
.cell .ar{margin-left:auto;color:#cbd5e1;font-size:18px;}

/* 标签 / 角标 */
.tag{display:inline-flex;align-items:center;padding:4px 11px;border-radius:999px;font-size:12px;font-weight:600;background:#e0f2fe;color:#0369a1;margin:3px;}
.tag.g{background:#dcfce7;color:#15803d;}
.tag.r{background:#fee2e2;color:#b91c1c;}
.tag.v{background:#ede9fe;color:#6d28d9;}
.badge{position:relative;display:inline-flex;}
.badge .b{position:absolute;top:-6px;right:-8px;min-width:18px;height:18px;padding:0 5px;border-radius:999px;background:#ef4444;color:#fff;font-size:11px;display:flex;align-items:center;justify-content:center;font-weight:700;}

/* 图标网格 */
.igrid{display:grid;grid-template-columns:repeat(5,1fr);gap:10px;}
.igrid .it{background:#f8fafc;border-radius:12px;padding:10px 4px;text-align:center;font-size:20px;}
.igrid .it span{display:block;font-size:10px;color:var(--muted);margin-top:4px;}

/* 开关 */
.sw{width:46px;height:26px;border-radius:999px;background:#cbd5e1;position:relative;cursor:pointer;transition:.2s;flex:none;}
.sw.on{background:var(--primary);}
.sw::after{content:"";position:absolute;top:3px;left:3px;width:20px;height:20px;border-radius:50%;background:#fff;transition:.2s;box-shadow:0 1px 3px rgba(0,0,0,.2);}
.sw.on::after{left:23px;}

/* 输入框 */
.field{margin-bottom:12px;}
.field label{display:block;font-size:12px;color:var(--muted);margin-bottom:6px;}
.input{width:100%;border:1.5px solid var(--line);border-radius:12px;padding:11px 14px;font-size:14px;outline:none;font-family:inherit;background:#fff;transition:.15s;}
.input:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(6,182,212,.12);}
textarea.input{resize:vertical;min-height:84px;}
.opt{display:flex;align-items:center;gap:10px;padding:10px 0;font-size:14px;}
.opt .mk{width:20px;height:20px;border-radius:50%;border:2px solid #cbd5e1;flex:none;}
.opt.chk .mk{border-radius:6px;}
.opt.sel .mk{background:var(--primary);border-color:var(--primary);position:relative;}
.opt.sel .mk::after{content:"";position:absolute;inset:0;background:#fff;mask:no-repeat center/12px;}
.opt.sel .mk::after{content:"✓";color:#fff;font-size:13px;display:flex;align-items:center;justify-content:center;}
.range{width:100%;accent-color:var(--primary);}

/* Tabs */
.tabs{display:flex;gap:6px;background:#eef2f7;padding:5px;border-radius:14px;}
.tabs .t{flex:1;text-align:center;padding:9px 0;border-radius:10px;font-size:13px;font-weight:600;color:var(--muted);cursor:pointer;}
.tabs .t.on{background:#fff;color:var(--primary);box-shadow:var(--shadow);}
.panel{display:none;padding-top:14px;}
.panel.on{display:block;}

/* Swiper */
.swiper{display:flex;gap:12px;overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:6px;}
.swiper .s{flex:none;width:240px;height:130px;border-radius:16px;scroll-snap-align:center;color:#fff;display:flex;align-items:flex-end;padding:14px;font-weight:700;font-size:15px;}

/* 进度 / 步骤 */
.prog{height:10px;border-radius:999px;background:#eef2f7;overflow:hidden;margin:8px 0;}
.prog>i{display:block;height:100%;background:var(--primary-grad);border-radius:999px;}
.steps{display:flex;align-items:center;justify-content:space-between;}
.steps .st{display:flex;flex-direction:column;align-items:center;gap:6px;font-size:11px;color:var(--muted);flex:1;}
.steps .cir{width:30px;height:30px;border-radius:50%;background:#eef2f7;color:#94a3b8;display:flex;align-items:center;justify-content:center;font-weight:700;position:relative;}
.steps .st.done .cir{background:var(--primary-grad);color:#fff;}
.steps .st.done .cir::after{content:"✓";}
.steps .st .cir span{position:absolute;}

/* 弹层 / Toast / Dialog */
.mask{position:fixed;inset:0;background:rgba(15,23,42,.5);display:none;align-items:flex-end;justify-content:center;z-index:100;}
.mask.show{display:flex;}
.sheet{background:#fff;width:100%;max-width:480px;border-radius:20px 20px 0 0;padding:20px 18px 26px;animation:up .25s ease;}
@keyframes up{from{transform:translateY(40px);opacity:.4}to{transform:translateY(0);opacity:1}}
.sheet h4{margin:0 0 12px;font-size:16px;}
.toast{position:fixed;left:50%;top:42%;transform:translateX(-50%);background:rgba(15,23,42,.86);color:#fff;padding:12px 20px;border-radius:12px;font-size:14px;z-index:200;opacity:0;transition:.2s;pointer-events:none;max-width:80%;text-align:center;}
.toast.show{opacity:1;}
.dialog-mask{position:fixed;inset:0;background:rgba(15,23,42,.5);display:none;align-items:center;justify-content:center;z-index:150;padding:30px;}
.dialog-mask.show{display:flex;}
.dialog{background:#fff;border-radius:18px;padding:22px 20px;width:100%;max-width:320px;text-align:center;animation:pop .2s ease;}
@keyframes pop{from{transform:scale(.9)}to{transform:scale(1)}}
.dialog p{font-size:14px;color:#475569;margin:8px 0 18px;}
.dialog .row{justify-content:center;}

/* 网格导航卡 */
.grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;}
.gcard{background:var(--card);border-radius:var(--radius);padding:16px;box-shadow:var(--shadow);text-decoration:none;color:var(--text);display:block;transition:.15s;}
.gcard:active{transform:scale(.98);}
.gcard .em{font-size:26px;}
.gcard .t{font-weight:700;font-size:14px;margin-top:8px;}
.gcard .d{font-size:11px;color:var(--muted);margin-top:3px;}

/* 统计 */
.stats{display:flex;background:var(--primary-grad);border-radius:var(--radius);color:#fff;padding:16px;justify-content:space-around;margin-bottom:14px;}
.stats .s b{font-size:20px;display:block;text-align:center;}
.stats .s span{font-size:11px;opacity:.85;}

/* 主题预设 */
.presets{display:flex;gap:10px;flex-wrap:wrap;}
.preset{width:54px;height:54px;border-radius:14px;cursor:pointer;border:3px solid transparent;}
.preset.on{border-color:#0f172a;}

/* 底部导航 */
.nav{position:fixed;bottom:0;left:50%;transform:translateX(-50%);width:100%;max-width:480px;background:#fff;border-top:1px solid var(--line);display:flex;z-index:30;}
.nav a{flex:1;text-align:center;padding:8px 0 9px;text-decoration:none;color:#94a3b8;font-size:11px;display:flex;flex-direction:column;align-items:center;gap:3px;}
.nav a span{font-size:11px;}
.nav a.on{color:var(--primary);font-weight:700;}

.list{background:var(--card);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);margin-bottom:14px;}
.kv{display:flex;justify-content:space-between;padding:12px 14px;border-bottom:1px solid var(--line);font-size:13px;}
.kv:last-child{border-bottom:none;}
.code{background:#0f172a;color:#a5f3fc;border-radius:14px;padding:14px;font-family:ui-monospace,Menlo,Consolas,monospace;font-size:12px;line-height:1.7;overflow-x:auto;white-space:pre;}