/* ===== tokens ===== */
:root{
  --bg:#f5f6f8; --card:#fff; --ink:#16181d; --ink-2:#5b6472; --ink-3:#8b94a3;
  --line:#e8ebf1; --brand:#1f6feb; --brand-ink:#0b4fc4; --accent:#0ea5a0;
  --shadow:0 1px 2px rgba(16,24,40,.04), 0 8px 24px -12px rgba(16,24,40,.14);
  --shadow-hi:0 2px 4px rgba(16,24,40,.06), 0 16px 32px -12px rgba(16,24,40,.20);
  --r:16px; --r-lg:22px;
}
@media (prefers-color-scheme: dark){
  :root{ --bg:#0f1115; --card:#171a20; --ink:#eef1f6; --ink-2:#a2abba; --ink-3:#6f7887;
          --line:#242932; --shadow:0 1px 2px rgba(0,0,0,.3), 0 8px 24px -12px rgba(0,0,0,.6); }
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;padding:0}
body{
  background:var(--bg); color:var(--ink);
  font:400 15px/1.6 -apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
  padding:max(12px,env(safe-area-inset-top)) 14px calc(28px + env(safe-area-inset-bottom));
}
.page{max-width:480px;margin:0 auto}
.card{background:var(--card);border-radius:var(--r);box-shadow:var(--shadow);border:1px solid var(--line)}
.muted{color:var(--ink-2);font-size:13px;margin:4px 0 0}
h1{font-size:20px;line-height:1.25;margin:0;letter-spacing:-.01em}
h2.sec-title{font-size:13px;font-weight:600;color:var(--ink-3);letter-spacing:.08em;margin:22px 4px 10px;text-transform:uppercase}
h3{font-size:15px;margin:0;font-weight:600}
a{color:inherit;text-decoration:none}

/* hero */
.hero{padding:18px;border-radius:var(--r-lg);background:
  radial-gradient(120% 100% at 100% 0%, rgba(31,111,235,.10), transparent 60%),
  radial-gradient(100% 100% at 0% 100%, rgba(14,165,160,.10), transparent 55%), var(--card);
  box-shadow:var(--shadow-hi)}
.hero-top{display:flex;gap:14px;align-items:center}
.logo{flex:0 0 auto;width:48px;height:48px;border-radius:14px;overflow:hidden;display:block;object-fit:cover;background:#14161a;box-shadow:0 6px 16px -6px rgba(0,0,0,.45)}
.hero-id{min-width:0}
.hero-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.tag{font-size:12px;color:var(--brand-ink);background:rgba(31,111,235,.08);border:1px solid rgba(31,111,235,.16);padding:4px 10px;border-radius:999px}
@media (prefers-color-scheme: dark){ .tag{color:#9dc0ff;background:rgba(31,111,235,.16);border-color:rgba(31,111,235,.3)} }
.hero-actions{display:flex;gap:10px;margin-top:16px}
.btn{flex:1;height:44px;display:flex;align-items:center;justify-content:center;border-radius:12px;font-size:15px;font-weight:600;transition:transform .12s ease, box-shadow .2s}
.btn:active{transform:scale(.98)}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 8px 20px -10px var(--brand)}
.btn-ghost{background:transparent;color:var(--ink);border:1px solid var(--line)}

/* quick */
.quick{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin-top:12px}
.quick-item{display:flex;flex-direction:column;align-items:center;gap:6px;padding:12px 4px;border-radius:14px;font-size:12px;color:var(--ink-2);background:var(--card);border:1px solid var(--line);box-shadow:var(--shadow)}
.quick-item:active{transform:scale(.97)}
.qi-ico{font-size:17px;color:var(--brand);line-height:1}

/* list */
.grid{display:flex;flex-direction:column;gap:10px}
.item{display:flex;align-items:center;gap:12px;padding:14px;min-height:64px;transition:transform .12s ease, box-shadow .2s}
.item:active{transform:scale(.99);box-shadow:var(--shadow-hi)}
.item-ico{flex:0 0 auto;width:40px;height:40px;border-radius:12px;display:grid;place-items:center;font-size:13px;font-weight:700;color:#fff;background:var(--brand)}
.item-ico[data-tone=teal]{background:linear-gradient(135deg,#0ea5a0,#0f766e)}
.item-ico[data-tone=amber]{background:linear-gradient(135deg,#f59e0b,#d97706)}
.item-ico[data-tone=violet]{background:linear-gradient(135deg,#8b5cf6,#6d28d9)}
.item-ico[data-tone=blue]{background:linear-gradient(135deg,#1f6feb,#0b4fc4)}
.item-body{min-width:0;flex:1}
.chev{color:var(--ink-3);font-size:20px;line-height:1}
.pad{padding:16px}
.facts{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:14px 0 0;padding:12px 0 0;border-top:1px solid var(--line)}
.facts div{text-align:center}
.facts dt{font-size:11px;color:var(--ink-3);margin-bottom:4px}
.facts dd{margin:0;font-size:14px;font-weight:600}
.contact{list-style:none;margin:0;padding:0}
.contact li{display:flex;justify-content:space-between;gap:12px;padding:11px 0;border-bottom:1px solid var(--line);font-size:14px}
.contact li:last-child{border-bottom:0}
.contact span{color:var(--ink-3);font-size:13px;flex:0 0 auto}
.contact b,.contact a{font-weight:600;text-align:right;word-break:break-all}
.foot{text-align:center;margin:26px 0 0;font-size:12px;color:var(--ink-3)}
.foot p{margin:4px 0}

.foot a{color:inherit;text-decoration:none;border-bottom:1px solid var(--line);padding-bottom:1px}
.foot a:active{color:var(--brand)}

/* ===== 子页：顶部返回栏 ===== */
.pagebar{position:sticky;top:0;z-index:9;display:flex;align-items:center;gap:10px;padding:10px 0 12px;
  background:linear-gradient(var(--bg) 72%, transparent);backdrop-filter:blur(10px)}
.back{flex:0 0 auto;display:flex;align-items:center;height:38px;padding:0 13px;border-radius:11px;
  background:var(--card);border:1px solid var(--line);box-shadow:var(--shadow);font-size:14px;font-weight:600}
.back:active{transform:scale(.97)}
.pagebar h1{flex:1;text-align:center;font-size:16px;font-weight:600;margin:0;
  padding-right:62px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}

/* ===== 占位区块 ===== */
.ph{display:flex;align-items:center;justify-content:center;text-align:center;padding:16px;
  color:var(--ink-3);font-size:13px;background:
    repeating-linear-gradient(45deg, transparent 0 10px, rgba(127,127,127,.045) 10px 20px), var(--card);
  border:1px dashed var(--line);border-radius:var(--r);margin-bottom:10px}
.ph.tall{height:190px}.ph.mid{height:112px}.ph.short{height:72px}

/* ===== 提示条 ===== */
.note{font-size:12.5px;color:var(--brand-ink);background:rgba(31,111,235,.07);
  border:1px solid rgba(31,111,235,.16);border-radius:12px;padding:10px 12px;margin:2px 0 12px}
@media (prefers-color-scheme: dark){ .note{color:#9dc0ff;background:rgba(31,111,235,.14);border-color:rgba(31,111,235,.28)} }

/* ===== 子页底部按钮组 ===== */
.actions2{display:flex;gap:10px;margin-top:20px}
.stack{display:flex;flex-direction:column;gap:10px}