/* ============================================================
 * 理想城 IdealCity · 设计系统
 * ============================================================ */
:root{
  --brand:#635BFF; --brand-d:#4F46E5; --brand-l:#8B85FF;
  --cyan:#00D4FF; --teal:#00B8A9; --amber:#F5A623; --red:#EB5757; --blue:#2D9CDB;
  --ink:#0A2540; --text:#3C4257; --muted:#697386; --faint:#8792A2;
  --line:#E6E8F0; --line-2:#EEF0F6;
  --bg:#FFFFFF; --bg-2:#F6F9FC; --bg-3:#FAFBFD;
  --sh-1:0 2px 5px -1px rgba(50,50,93,.10), 0 1px 3px -1px rgba(0,0,0,.06);
  --sh-2:0 13px 27px -5px rgba(50,50,93,.14), 0 8px 16px -8px rgba(0,0,0,.10);
  --sh-3:0 30px 60px -12px rgba(50,50,93,.20), 0 18px 36px -18px rgba(0,0,0,.14);
  --r-s:8px; --r:12px; --r-l:16px; --r-xl:22px;
  --max:1180px;
  --ff:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;font-family:var(--ff);background:var(--bg);color:var(--text);
  font-size:15px;line-height:1.65;-webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{color:var(--ink);margin:0;line-height:1.25;letter-spacing:-.02em}
a{color:var(--brand);text-decoration:none}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}
.wrap{max-width:var(--max);margin:0 auto;padding:0 20px}

/* ---------- 导航 ---------- */
.nav{
  position:sticky;top:0;z-index:50;background:rgba(255,255,255,.86);
  backdrop-filter:saturate(180%) blur(14px);-webkit-backdrop-filter:saturate(180%) blur(14px);
  border-bottom:1px solid var(--line);
}
.nav-in{max-width:var(--max);margin:0 auto;padding:0 20px;height:60px;display:flex;align-items:center;gap:18px}
.logo{display:flex;align-items:center;gap:9px;font-weight:800;color:var(--ink);font-size:17px;letter-spacing:-.03em}
.logo-mark{
  width:28px;height:28px;border-radius:8px;flex:none;
  background:linear-gradient(135deg,var(--brand) 0%,var(--cyan) 100%);
  display:grid;place-items:center;color:#fff;font-size:14px;font-weight:800;
  box-shadow:0 4px 10px -2px rgba(99,91,255,.45);
}
.logo small{font-weight:600;color:var(--faint);font-size:11px;letter-spacing:.06em;margin-left:2px}
.nav-links{display:flex;gap:4px;margin-left:auto;align-items:center}
.nav-links a{
  padding:7px 12px;border-radius:8px;color:var(--muted);font-size:13.5px;font-weight:600;
  transition:.16s;
}
.nav-links a:hover{background:var(--bg-2);color:var(--brand)}
.nav-badge{
  font-size:11px;font-weight:700;padding:4px 9px;border-radius:20px;
  background:linear-gradient(135deg,rgba(99,91,255,.10),rgba(0,212,255,.10));
  color:var(--brand);border:1px solid rgba(99,91,255,.20);white-space:nowrap;
}

/* ---------- 分页视图 ---------- */
.page-view{display:none}
.page-view.active{display:block;animation:pageIn .26s ease}
@keyframes pageIn{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
.nav-links a.on{background:rgba(99,91,255,.10);color:var(--brand);font-weight:750}
.nav-links a.on:hover{background:rgba(99,91,255,.14)}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;padding:56px 0 44px;background:var(--bg)}
.hero::before{
  content:'';position:absolute;inset:-140px -10% auto -10%;height:460px;
  background:linear-gradient(150deg,#F0F3FF 0%,#EAFBFF 42%,#F7F5FF 100%);
  transform:skewY(-6deg);z-index:0;
}
.hero::after{
  content:'';position:absolute;top:-90px;right:-60px;width:340px;height:340px;border-radius:50%;
  background:radial-gradient(circle,rgba(99,91,255,.16),transparent 66%);z-index:0;
}
.hero-in{position:relative;z-index:1}
.hero h1{
  font-size:clamp(30px,5.2vw,50px);font-weight:850;letter-spacing:-.045em;margin-bottom:14px;
}
.grad{background:linear-gradient(96deg,var(--brand) 8%,#00A3FF 52%,var(--teal) 96%);
  -webkit-background-clip:text;background-clip:text;color:transparent}
.hero p{font-size:clamp(14.5px,2vw,17px);color:var(--muted);max-width:640px;margin:0 0 22px}
.hero-stats{display:flex;flex-wrap:wrap;gap:10px}
.hstat{
  background:rgba(255,255,255,.78);border:1px solid var(--line);border-radius:var(--r);
  padding:9px 14px;display:flex;align-items:baseline;gap:7px;box-shadow:var(--sh-1);
}
.hstat b{font-size:19px;color:var(--ink);font-weight:800;letter-spacing:-.03em}
.hstat span{font-size:12px;color:var(--faint);font-weight:600}

/* ---------- 区块 ---------- */
.sec{padding:44px 0}
.sec.alt{background:var(--bg-2);border-top:1px solid var(--line-2);border-bottom:1px solid var(--line-2)}
.sec-head{margin-bottom:22px}
.sec-tag{
  display:inline-block;font-size:11.5px;font-weight:800;letter-spacing:.12em;text-transform:uppercase;
  color:var(--brand);margin-bottom:8px;
}
.sec-head h2{font-size:clamp(21px,3.4vw,28px);font-weight:800;margin-bottom:7px}
.sec-head p{color:var(--muted);margin:0;font-size:14px;max-width:680px}

/* ---------- 卡片 ---------- */
.card{background:#fff;border:1px solid var(--line);border-radius:var(--r-l);box-shadow:var(--sh-1)}
.card-pad{padding:20px}
.card-head{
  display:flex;align-items:center;gap:10px;padding:16px 20px;border-bottom:1px solid var(--line-2);
  flex-wrap:wrap;
}
.card-head h3{font-size:16px;font-weight:750;flex:1;min-width:120px}
.card-head .hint{font-size:12.5px;color:var(--faint);font-weight:600}

/* ---------- 城市选择 ---------- */
.picker-top{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin-bottom:14px}
.search{
  flex:1;min-width:180px;position:relative;
}
.search input{
  width:100%;padding:10px 14px 10px 36px;border:1px solid var(--line);border-radius:10px;
  font-size:14px;font-family:inherit;color:var(--ink);background:#fff;transition:.18s;outline:none;
}
.search input:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(99,91,255,.13)}
.search svg{position:absolute;left:12px;top:50%;transform:translateY(-50%);opacity:.42}
.presets{display:flex;gap:7px;flex-wrap:wrap}
.preset{
  padding:6px 12px;border:1px solid var(--line);border-radius:20px;font-size:12.5px;font-weight:650;
  color:var(--muted);background:#fff;transition:.16s;
}
.preset:hover{border-color:var(--brand);color:var(--brand);background:rgba(99,91,255,.05)}

.region{margin-bottom:12px}
.region-name{
  font-size:11.5px;font-weight:800;color:var(--faint);letter-spacing:.1em;margin-bottom:7px;
  display:flex;align-items:center;gap:8px;
}
.region-name::after{content:'';flex:1;height:1px;background:var(--line-2)}
.chips{display:flex;flex-wrap:wrap;gap:7px}
.chip{
  padding:7px 13px;border:1px solid var(--line);border-radius:9px;background:#fff;
  font-size:13.5px;font-weight:650;color:var(--text);transition:.16s;position:relative;
}
.chip:hover{border-color:var(--brand-l);color:var(--brand);transform:translateY(-1px)}
.chip.on{
  background:linear-gradient(135deg,var(--brand),#7A73FF);border-color:transparent;color:#fff;
  box-shadow:0 4px 12px -3px rgba(99,91,255,.5);
}
.chip.dim{opacity:.32;pointer-events:none}
.chip .tier{font-size:10px;opacity:.6;margin-left:4px;font-weight:600}

.selbar{
  display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-top:14px;padding-top:14px;
  border-top:1px dashed var(--line);
}
.selbar-label{font-size:12.5px;color:var(--faint);font-weight:700}
.seltag{
  display:inline-flex;align-items:center;gap:6px;padding:5px 8px 5px 11px;border-radius:8px;
  background:rgba(99,91,255,.08);color:var(--brand-d);font-size:13px;font-weight:700;
}
.seltag button{width:16px;height:16px;border-radius:4px;display:grid;place-items:center;opacity:.55;font-size:14px;line-height:1}
.seltag button:hover{opacity:1;background:rgba(99,91,255,.16)}

/* ---------- 目的卡片 ---------- */
.purposes{display:grid;grid-template-columns:repeat(auto-fill,minmax(158px,1fr));gap:10px}
.purpose{
  padding:13px 14px;border:1.5px solid var(--line);border-radius:var(--r);background:#fff;
  text-align:left;transition:.18s;position:relative;overflow:hidden;
}
.purpose:hover{border-color:var(--brand-l);transform:translateY(-2px);box-shadow:var(--sh-2)}
.purpose.on{border-color:var(--brand);background:linear-gradient(160deg,rgba(99,91,255,.055),rgba(0,212,255,.035))}
.purpose.on::after{
  content:'✓';position:absolute;top:9px;right:10px;width:17px;height:17px;border-radius:50%;
  background:var(--brand);color:#fff;font-size:10px;display:grid;place-items:center;font-weight:800;
}
.purpose b{display:block;font-size:14.5px;color:var(--ink);font-weight:750;margin-bottom:3px}
.purpose span{font-size:11.5px;color:var(--faint);line-height:1.45;display:block}

.weights{margin-top:16px;padding-top:16px;border-top:1px dashed var(--line);display:none}
.weights.show{display:block}
.wrow{display:flex;align-items:center;gap:12px;margin-bottom:9px}
.wrow label{width:76px;font-size:13px;font-weight:700;color:var(--text);flex:none}
.wrow input[type=range]{flex:1;accent-color:var(--brand);height:4px}
.wrow output{width:42px;text-align:right;font-size:13px;font-weight:800;color:var(--brand);font-variant-numeric:tabular-nums}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:7px;
  padding:11px 22px;border-radius:10px;font-size:14.5px;font-weight:750;transition:.18s;white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(135deg,var(--brand) 0%,#7A73FF 100%);color:#fff;
  box-shadow:0 4px 14px -3px rgba(99,91,255,.5);
}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 8px 22px -4px rgba(99,91,255,.55)}
.btn-primary:disabled{opacity:.45;pointer-events:none}
.btn-ghost{border:1px solid var(--line);background:#fff;color:var(--text)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand)}
.btn-sm{padding:7px 14px;font-size:13px;border-radius:8px}

/* ---------- 结果：排名 ---------- */
.podium{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:14px;margin-bottom:20px}
.pod{
  position:relative;padding:20px;border-radius:var(--r-l);border:1px solid var(--line);background:#fff;
  box-shadow:var(--sh-1);overflow:hidden;transition:.2s;
}
.pod:hover{box-shadow:var(--sh-2);transform:translateY(-2px)}
.pod.first{border-color:transparent;background:linear-gradient(150deg,#635BFF 0%,#5A63F5 45%,#00A3FF 100%);color:#fff;box-shadow:var(--sh-2)}
.pod.first h3,.pod.first .pod-idx{color:#fff}
.pod.first .pod-meta,.pod.first .pod-sub{color:rgba(255,255,255,.82)}
.pod-rank{
  position:absolute;top:14px;right:16px;font-size:34px;font-weight:900;opacity:.13;letter-spacing:-.06em;
}
.pod.first .pod-rank{opacity:.28}
.pod h3{font-size:21px;font-weight:800;margin-bottom:2px}
.pod-meta{font-size:12px;color:var(--faint);font-weight:600;margin-bottom:12px}
.pod-idx{font-size:36px;font-weight:900;letter-spacing:-.045em;color:var(--ink);line-height:1;font-variant-numeric:tabular-nums}
.pod-idx small{font-size:13px;font-weight:700;opacity:.6;margin-left:4px}
.pod-sub{font-size:12px;color:var(--muted);margin-top:6px;font-weight:600}
.pod-dims{display:flex;gap:5px;margin-top:14px}
.pod-dim{flex:1;text-align:center}
.pod-dim i{
  display:block;height:3px;border-radius:2px;background:currentColor;opacity:.28;margin-bottom:5px;
}
.pod-dim b{font-size:12.5px;font-weight:800;display:block;font-variant-numeric:tabular-nums}
.pod-dim span{font-size:9.5px;opacity:.65;font-weight:600}

/* 排名条 */
.rankbar{display:flex;gap:12px;align-items:flex-start;padding:11px 0;animation:slideIn .5s both;animation-delay:var(--d)}
.rankbar+.rankbar{border-top:1px solid var(--line-2)}
.rankbar-no{
  width:24px;height:24px;border-radius:7px;background:var(--bg-2);color:var(--muted);
  display:grid;place-items:center;font-size:12.5px;font-weight:800;flex:none;margin-top:2px;
}
.rankbar-no.is-top{background:linear-gradient(135deg,var(--brand),#7A73FF);color:#fff}
.rankbar-body{flex:1;min-width:0}
.rankbar-head{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:5px;gap:10px}
.rankbar-name{font-size:14.5px;font-weight:750;color:var(--ink)}
.rankbar-val{font-size:15px;font-weight:850;color:var(--ink);font-variant-numeric:tabular-nums}
.rankbar-track{height:7px;background:var(--bg-2);border-radius:4px;overflow:hidden}
.rankbar-fill{height:100%;border-radius:4px;animation:grow .8s cubic-bezier(.16,1,.3,1) both;animation-delay:var(--d)}
.rankbar-sub{font-size:11.5px;color:var(--faint);margin-top:5px;font-weight:600}
@keyframes grow{from{width:0 !important}}
@keyframes slideIn{from{opacity:0;transform:translateY(8px)}}

/* ---------- 图表 ---------- */
.chart-svg{width:100%;height:auto;display:block;overflow:visible}
.radar-poly{animation:fadeScale .6s cubic-bezier(.16,1,.3,1) both;transform-origin:center;animation-delay:calc(var(--i)*120ms)}
@keyframes fadeScale{from{opacity:0;transform:scale(.82)}}
.gbar{animation:barUp .6s cubic-bezier(.16,1,.3,1) both;animation-delay:var(--d);transform-origin:bottom}
@keyframes barUp{from{transform:scaleY(0)}}
.line-path{stroke-dasharray:2000;animation:dash 1.4s cubic-bezier(.4,0,.2,1) both}
@keyframes dash{from{stroke-dashoffset:2000}}
.legend{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;margin-top:12px}
.legend-item{display:flex;align-items:center;gap:6px;font-size:12.5px;font-weight:650;color:var(--text)}
.legend-dot{width:11px;height:11px;border-radius:3px;flex:none}

.two-col{display:grid;grid-template-columns:minmax(0,420px) minmax(0,1fr);gap:16px}
.grid-2{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:16px}

/* ---------- 表格 ---------- */
.tbl-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch}
table.dt{width:100%;border-collapse:collapse;font-size:13.2px;min-width:640px}
table.dt th,table.dt td{padding:9px 11px;text-align:right;border-bottom:1px solid var(--line-2);white-space:nowrap}
table.dt th{
  font-size:11.5px;font-weight:800;color:var(--faint);text-transform:none;letter-spacing:.02em;
  background:var(--bg-3);position:sticky;top:0;cursor:pointer;user-select:none;
}
table.dt th:hover{color:var(--brand)}
table.dt th.sorted::after{content:' ▾';color:var(--brand)}
table.dt th.asc::after{content:' ▴'}
table.dt th:first-child,table.dt td:first-child{text-align:left;position:sticky;left:0;background:#fff;z-index:2;font-weight:700;color:var(--ink)}
table.dt th:first-child{background:var(--bg-3);z-index:3}
table.dt tbody tr:hover td{background:var(--bg-3)}
table.dt tbody tr:hover td:first-child{background:var(--bg-2)}
table.dt td.num{font-variant-numeric:tabular-nums}
.cellbar{display:inline-block;height:5px;border-radius:3px;background:var(--brand);opacity:.85;vertical-align:middle;margin-right:6px}
.best{color:#0F9D58;font-weight:800}
.worst{color:#D93025;font-weight:700}
.unit{font-size:10.5px;color:var(--faint);font-weight:600;display:block;margin-top:1px}

/* ---------- 预测 ---------- */
.ctrl-row{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin-bottom:16px}
.seg{display:inline-flex;background:var(--bg-2);border-radius:9px;padding:3px;gap:2px;border:1px solid var(--line)}
.seg button{
  padding:6px 13px;border-radius:7px;font-size:12.5px;font-weight:700;color:var(--muted);transition:.15s;
}
.seg button.on{background:#fff;color:var(--brand);box-shadow:var(--sh-1)}
.ctrl-label{font-size:12.5px;font-weight:750;color:var(--faint)}

.kpis{display:grid;grid-template-columns:repeat(auto-fit,minmax(146px,1fr));gap:11px;margin-bottom:18px}
.kpi{padding:14px 15px;border-radius:var(--r);border:1px solid var(--line);background:#fff}
.kpi-label{font-size:11.5px;color:var(--faint);font-weight:700;margin-bottom:5px}
.kpi-val{font-size:22px;font-weight:850;color:var(--ink);letter-spacing:-.035em;line-height:1.15;font-variant-numeric:tabular-nums}
.kpi-val.up{color:var(--red)} .kpi-val.down{color:#0F9D58}
.kpi-sub{font-size:11px;color:var(--faint);margin-top:4px;font-weight:600}

/* ---------- 单城分析 ---------- */
.city-tabs{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:16px}
.city-tab{
  padding:8px 16px;border-radius:9px;border:1px solid var(--line);background:#fff;
  font-size:13.5px;font-weight:700;color:var(--muted);transition:.16s;
}
.city-tab.on{background:var(--ink);color:#fff;border-color:var(--ink)}
.tags{display:flex;flex-wrap:wrap;gap:6px;margin:10px 0 0}
.tag{
  padding:4px 10px;border-radius:14px;font-size:11.5px;font-weight:700;
  background:rgba(99,91,255,.08);color:var(--brand-d);
}
.tag.warn{background:rgba(235,87,87,.09);color:#C0392B}
.tag.good{background:rgba(0,184,169,.10);color:#00857A}

.sw-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:12px;margin-top:14px}
.sw{padding:14px;border-radius:var(--r);border:1px solid var(--line);background:var(--bg-3)}
.sw h5{margin:0 0 8px;font-size:12px;font-weight:800;letter-spacing:.06em;color:var(--faint)}
.sw-item{display:flex;justify-content:space-between;align-items:baseline;padding:5px 0;font-size:13.5px}
.sw-item b{font-weight:800;font-variant-numeric:tabular-nums}
.sw.good h5{color:#00857A} .sw.bad h5{color:#C0392B}

.hl-list{display:grid;gap:9px;margin-top:12px}
.hl{display:grid;grid-template-columns:1fr 92px 76px;gap:10px;align-items:center;font-size:13px}
.hl-name{color:var(--text);font-weight:650}
.hl-val{text-align:right;font-weight:800;color:var(--ink);font-variant-numeric:tabular-nums}
.pctbar{height:6px;background:var(--bg-2);border-radius:3px;overflow:hidden}
.pctbar-fill{height:100%;border-radius:3px;background:var(--faint)}
.pctbar.high .pctbar-fill{background:linear-gradient(90deg,#00B8A9,#0F9D58)}
.pctbar.mid .pctbar-fill{background:linear-gradient(90deg,#F5A623,#FFC857)}
.pctbar.low .pctbar-fill{background:linear-gradient(90deg,#EB5757,#FF8A80)}

/* ---------- AI ---------- */
.ai-card{
  border:1px solid rgba(99,91,255,.22);border-radius:var(--r-l);overflow:hidden;background:#fff;
  box-shadow:var(--sh-1);
}
.ai-head{
  padding:14px 18px;background:linear-gradient(120deg,rgba(99,91,255,.07),rgba(0,212,255,.055));
  display:flex;align-items:center;gap:11px;flex-wrap:wrap;border-bottom:1px solid rgba(99,91,255,.14);
}
.ai-avatar{
  width:30px;height:30px;border-radius:9px;background:linear-gradient(135deg,var(--brand),var(--cyan));
  display:grid;place-items:center;color:#fff;font-size:13px;font-weight:800;flex:none;
  box-shadow:0 4px 10px -2px rgba(99,91,255,.45);
}
.ai-head b{font-size:14.5px;color:var(--ink);font-weight:780}
.ai-head .model{font-size:11px;color:var(--faint);font-weight:650}
.ai-actions{margin-left:auto;display:flex;gap:7px;flex-wrap:wrap}
.ai-body{padding:18px;min-height:70px;font-size:14.2px;line-height:1.78;color:var(--text)}
.ai-body h4{font-size:14.5px;margin:16px 0 7px;color:var(--ink);font-weight:800;display:flex;align-items:center;gap:7px}
.ai-body h4::before{content:'';width:3px;height:14px;border-radius:2px;background:linear-gradient(180deg,var(--brand),var(--cyan))}
.ai-body h4:first-child{margin-top:0}
.ai-body p{margin:0 0 9px}
.ai-body ul{margin:0 0 10px;padding-left:19px}
.ai-body li{margin-bottom:5px}
.ai-body strong{color:var(--ink);font-weight:750}
.ai-body code{background:var(--bg-2);padding:1px 5px;border-radius:4px;font-size:12.5px}
.ai-body hr{border:none;border-top:1px solid var(--line-2);margin:14px 0}
.md-table-wrap{overflow-x:auto;margin:10px 0}
.md-table{width:100%;border-collapse:collapse;font-size:13px;min-width:340px}
.md-table th,.md-table td{padding:7px 10px;border:1px solid var(--line);text-align:left}
.md-table th{background:var(--bg-2);font-weight:750;color:var(--ink)}
.ai-empty{color:var(--faint);font-size:13.5px;display:flex;align-items:center;gap:9px;flex-wrap:wrap}
.cursor{display:inline-block;width:7px;height:15px;background:var(--brand);vertical-align:-2px;animation:blink 1s steps(2) infinite;border-radius:1px}
@keyframes blink{50%{opacity:0}}
.ai-err{color:#C0392B;font-size:13px;background:rgba(235,87,87,.07);padding:10px 12px;border-radius:9px}

.spinner{width:14px;height:14px;border:2px solid rgba(99,91,255,.25);border-top-color:var(--brand);border-radius:50%;animation:spin .7s linear infinite;flex:none}
@keyframes spin{to{transform:rotate(360deg)}}

/* ---------- 省份榜 ---------- */
.prov-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(168px,1fr));gap:9px}
.prov{
  padding:11px 13px;border:1px solid var(--line);border-radius:var(--r);background:#fff;
  display:flex;justify-content:space-between;align-items:center;gap:8px;transition:.15s;
}
.prov:hover{border-color:var(--brand-l);box-shadow:var(--sh-1)}
.prov-name{font-size:13.5px;font-weight:700;color:var(--ink)}
.prov-v{font-size:13px;font-weight:800;color:var(--brand);font-variant-numeric:tabular-nums}
.prov-sub{font-size:10.5px;color:var(--faint);font-weight:600}

/* ---------- 数据说明 ---------- */
.notes{display:grid;grid-template-columns:repeat(auto-fit,minmax(258px,1fr));gap:14px}
.note{padding:16px;border-radius:var(--r);background:#fff;border:1px solid var(--line)}
.note h4{font-size:13.5px;margin-bottom:7px;font-weight:780}
.note p,.note li{font-size:12.8px;color:var(--muted);margin:0 0 5px;line-height:1.65}
.note ul{padding-left:17px;margin:0}
.disclaimer{
  margin-top:16px;padding:14px 16px;border-radius:var(--r);font-size:12.5px;color:#8A6D3B;
  background:rgba(245,166,35,.08);border:1px solid rgba(245,166,35,.24);line-height:1.7;
}

/* ---------- 空状态 / 页脚 ---------- */
.empty{text-align:center;padding:46px 20px;color:var(--faint)}
.empty-ic{font-size:38px;opacity:.28;margin-bottom:10px}
.empty b{display:block;color:var(--text);font-size:15px;margin-bottom:5px;font-weight:750}
.empty span{font-size:13px}
.foot{padding:28px 0 36px;border-top:1px solid var(--line);color:var(--faint);font-size:12.5px;text-align:center}
.foot a{font-weight:650}

.toast{
  position:fixed;left:50%;bottom:26px;transform:translateX(-50%) translateY(14px);
  background:var(--ink);color:#fff;padding:11px 20px;border-radius:10px;font-size:13.5px;font-weight:650;
  box-shadow:var(--sh-3);opacity:0;pointer-events:none;transition:.25s;z-index:99;
}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}

/* ---------- 设置弹层 ---------- */
.modal{position:fixed;inset:0;background:rgba(10,37,64,.42);backdrop-filter:blur(3px);z-index:80;display:none;place-items:center;padding:20px}
.modal.show{display:grid}
.modal-in{background:#fff;border-radius:var(--r-xl);max-width:440px;width:100%;box-shadow:var(--sh-3);overflow:hidden}
.modal-hd{padding:16px 20px;border-bottom:1px solid var(--line-2);display:flex;align-items:center}
.modal-hd h3{font-size:16px;flex:1;font-weight:780}
.modal-bd{padding:18px 20px}
.field{margin-bottom:13px}
.field label{display:block;font-size:12.5px;font-weight:750;color:var(--text);margin-bottom:5px}
.field input{
  width:100%;padding:9px 12px;border:1px solid var(--line);border-radius:9px;font-size:13.5px;
  font-family:inherit;outline:none;transition:.16s;color:var(--ink);
}
.field input:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(99,91,255,.13)}
.field small{font-size:11.5px;color:var(--faint);display:block;margin-top:4px}
.modal-ft{padding:14px 20px;border-top:1px solid var(--line-2);display:flex;gap:9px;justify-content:flex-end}

/* ---------- 响应式 ---------- */
@media (max-width:900px){
  .two-col{grid-template-columns:1fr}
}
@media (max-width:640px){
  body{font-size:14.5px}
  .wrap{padding:0 15px}
  .nav-in{padding:0 15px;height:54px;gap:10px}
  .nav-links a{padding:6px 8px;font-size:12.5px}
  .nav-links a.hide-m{display:none}
  .nav-links{overflow-x:auto;max-width:62vw;scrollbar-width:none;-webkit-overflow-scrolling:touch}
  .nav-links::-webkit-scrollbar{display:none}
  .nav-links a{white-space:nowrap}
  .hero{padding:34px 0 30px}
  .sec{padding:32px 0}
  .card-pad{padding:15px}
  .card-head{padding:14px 15px}
  .purposes{grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:8px}
  .pod-idx{font-size:31px}
  .kpi-val{font-size:19px}
  .chip{padding:6px 11px;font-size:13px}
  .hstat b{font-size:17px}
  .ai-body{padding:15px;font-size:14px}
  .hl{grid-template-columns:1fr 76px 60px;font-size:12.5px}
  .prov-grid{grid-template-columns:repeat(auto-fill,minmax(148px,1fr))}
}
@media (max-width:400px){
  .purposes{grid-template-columns:1fr 1fr}
}
@media print{
  .nav,.picker-wrap,.ai-actions,.btn{display:none !important}
  .sec{page-break-inside:avoid}
}