/* ======================================================================
   高尔夫差点计算器 · 独立设计（果岭旗杆主题：草绿 + 天青 + 沙坑米）
   ====================================================================== */
.gh{
  --ink:#1f3026; --sub:#5c7263; --faint:#93a99b;
  --bg:#f0f5ef; --card:#ffffff; --card2:#e6f0e6; --line:#cfe0cf; --line2:#dcead9;
  --pri:#2f7d4f; --pri-2:#48a06b; --pri-soft:#d9efdd; --pri-ink:#1f5c39;
  --sky:#3d9bd1; --sky-soft:#dceefb;
  --sand:#c9a06b; --sand-soft:#f6ecdc;
  --red:#b42323; --red-soft:#fdecec;
  --r:16px;
  --shadow:0 1px 2px rgba(31,48,38,.06),0 12px 28px rgba(47,125,79,.10);
  color:var(--ink);
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:15px; line-height:1.75;
  background:
    radial-gradient(860px 420px at 90% -140px, rgba(61,155,209,.12), transparent 60%),
    radial-gradient(700px 360px at -8% 150px, rgba(47,125,79,.10), transparent 60%),
    var(--bg);
  padding:0 16px 56px;
}
:root[data-theme="dark"] .gh{
  --ink:#ddefe0; --sub:#9fc0a8; --faint:#658570;
  --bg:#0c140f; --card:#131e16; --card2:#182820; --line:#2a4534; --line2:#22392b;
  --pri:#4ade80; --pri-2:#86efac; --pri-soft:rgba(74,222,128,.12); --pri-ink:#bbf7d0;
  --sky:#38bdf8; --sky-soft:rgba(56,189,248,.12);
  --sand:#d9b07c; --sand-soft:rgba(217,176,124,.12);
  --red:#f87171; --red-soft:rgba(248,113,113,.12);
  --shadow:0 1px 2px rgba(0,0,0,.4),0 14px 32px rgba(0,0,0,.45);
}
.gh *{box-sizing:border-box;}
.gh b{font-weight:700;}
.gh-wrap{max-width:1120px;margin:0 auto;}

.gh-hero{margin-top:22px;border-radius:20px;padding:26px 30px;box-shadow:var(--shadow);
  background:linear-gradient(115deg,#7ec3e8 0%,#b7ddf2 30%,#3f8f5e 31%,#2f7d4f 92%);
  color:#0d2416;border:1px solid rgba(0,0,0,.08);position:relative;overflow:hidden;}
:root[data-theme="dark"] .gh-hero{color:#eafaf0;}
.gh-hero h1{margin:0 0 8px;font-size:clamp(23px,3.4vw,31px);font-weight:900;line-height:1.3;}
.gh-hero p{margin:0;max-width:800px;font-size:14.5px;}
.gh-hero p em{font-style:normal;background:rgba(255,255,255,.35);border-radius:6px;padding:1px 6px;font-weight:800;}
:root[data-theme="dark"] .gh-hero p em{background:rgba(0,0,0,.3);color:#ffe08a;}
.gh-flag{position:absolute;right:40px;top:26px;font-size:34px;}

.gh-desk{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:20px;align-items:start;}
@media (max-width:900px){.gh-desk{grid-template-columns:1fr;}}
.gh-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow);padding:18px;}
.gh-card h2{margin:0 0 10px;font-size:16px;font-weight:900;display:flex;align-items:center;gap:8px;}
.gh-card h2 i{font-style:normal;color:var(--pri);}
.gh-field{margin-bottom:12px;}
.gh-field label{display:block;font-size:13px;font-weight:800;color:var(--sub);margin-bottom:5px;}
.gh-in{width:100%;border:1px solid var(--line);background:var(--card2);color:var(--ink);border-radius:10px;
  padding:8px 12px;font-size:14px;outline:none;}
.gh-in:focus{border-color:var(--pri-2);box-shadow:0 0 0 3px var(--pri-soft);}
.gh-ta{min-height:84px;resize:vertical;font-family:"JetBrains Mono",ui-monospace,Consolas,monospace;font-size:13.5px;}
.gh-grid2{display:grid;grid-template-columns:1fr 1fr;gap:10px;}
.gh-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px;}
.gh-btn{border:none;border-radius:11px;padding:9px 17px;font-size:13.5px;font-weight:800;cursor:pointer;transition:all .15s;}
.gh-btn-go{background:var(--pri);color:#fff;}
:root[data-theme="dark"] .gh-btn-go{color:#0a1f12;}
.gh-btn-go:hover{background:var(--pri-2);}
.gh-btn-ghost{background:var(--card2);color:var(--pri-ink);border:1px solid var(--line);}
.gh-btn-ghost:hover{border-color:var(--pri-2);}
.gh-msg{margin-top:10px;font-size:13px;min-height:20px;font-weight:700;}
.gh-msg.err{color:var(--red);}
.gh-msg.ok{color:var(--pri);}

.gh-result{background:var(--pri-soft);border:1px solid var(--line);border-radius:14px;padding:16px;margin-top:14px;}
.gh-big{display:flex;gap:14px;flex-wrap:wrap;}
.gh-kpi{flex:1;min-width:130px;background:var(--card);border:1px solid var(--line);border-radius:12px;padding:12px;text-align:center;}
.gh-kpi .v{font-size:26px;font-weight:900;color:var(--pri-ink);font-variant-numeric:tabular-nums;}
.gh-kpi .k{font-size:12px;color:var(--sub);font-weight:800;letter-spacing:.06em;}
.gh-kpi.sky .v{color:var(--sky);}
.gh-table{width:100%;border-collapse:collapse;font-size:12.5px;margin-top:12px;}
.gh-table th,.gh-table td{border:1px solid var(--line);padding:5px 8px;text-align:center;}
.gh-table th{background:var(--card2);color:var(--pri-ink);font-weight:800;}
.gh-table td.best{background:var(--sand-soft);font-weight:800;color:var(--pri-ink);}
.gh-note{font-size:12.5px;color:var(--sub);margin:10px 0 0;}
.gh-note b{color:var(--pri-ink);}

/* ---------- WHS 修正 / 坡度扫描 ---------- */
.gh-extra{margin-top:20px;}
.ghx-note{font-size:12.5px;color:var(--sub);margin:0 0 12px;}
.ghx-note b{color:var(--pri-ink);}
.ghx-bar{display:grid;grid-template-columns:200px 1fr;gap:14px;align-items:end;}
@media (max-width:700px){.ghx-bar{grid-template-columns:1fr;}}
.ghx-field label{display:block;font-size:12px;font-weight:800;color:var(--sub);margin-bottom:4px;}
.ghx-kpis{display:flex;gap:10px;flex-wrap:wrap;}
.ghx-kpis .gh-kpi{min-width:110px;padding:8px;}
.ghx-kpis .gh-kpi .v{font-size:20px;}
.ghx-empty{font-size:12.5px;color:var(--sub);background:var(--card2);border:1px dashed var(--line);
  border-radius:10px;padding:12px;margin-top:12px;}
.ghx-chart{margin-top:12px;background:var(--card2);border:1px solid var(--line);border-radius:12px;
  padding:10px;overflow-x:auto;}
.ghx-chart svg{display:block;min-width:560px;width:100%;height:auto;}
.ghx-grid{stroke:var(--line2);stroke-width:1;}
.ghx-axis{stroke:var(--line);stroke-width:1.2;}
.ghx-curve{fill:none;stroke:var(--pri);stroke-width:2.4;}
.ghx-dot{fill:var(--sky);stroke:var(--card);stroke-width:2;}
.ghx-lab{fill:var(--sub);font-size:9px;font-family:-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;}
.ghx-lab-hi{fill:var(--pri-ink);font-size:10px;font-weight:800;}
.ghx-tw{max-width:100%;overflow-x:auto;margin-top:12px;}
.ghx-tw .gh-table{min-width:460px;margin-top:0;}
.ghx-tip{font-size:12px;color:var(--sub);margin:10px 0 0;}
.ghx-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px;}
.ghx-msg{margin-top:8px;font-size:12.5px;min-height:18px;font-weight:700;}
.ghx-msg.err{color:var(--red);}
.ghx-msg.ok{color:var(--pri);}

.gh-faq{margin-top:34px;background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:22px 24px;box-shadow:var(--shadow);}
.gh-faq h2{margin:0 0 12px;font-size:19px;font-weight:900;}
.gh-faq h3{margin:18px 0 6px;font-size:15.5px;font-weight:800;color:var(--pri-ink);}
.gh-faq p{margin:0;color:var(--sub);font-size:14px;}
.gh-faq p b{color:var(--ink);}