:root{
  --accent:#0f766e; --trust:#047857; --ink:#1a1a2e; --muted:#6b7280;
  --border:#e2e8f0; --bg:#f5f7fa; --card:#ffffff; --panel:#0f172a; --panel-ink:#e2e8f0;
}
*{box-sizing:border-box}html,body{margin:0;padding:0}html{height:100%}
body{font-family:system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;color:var(--ink);background:var(--bg);line-height:1.6;font-size:16px;min-height:100%;display:flex;flex-direction:column}
main{flex:1 0 auto;width:100%}
a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}
header.site{background:var(--panel);border-bottom:3px solid var(--accent);position:sticky;top:0;z-index:10}
header.site .wrap{max-width:980px;margin:0 auto;padding:11px 16px;display:flex;align-items:center;justify-content:space-between}
.brand{display:flex;align-items:center;gap:9px;font-weight:700;color:#fff}
.brand-name{font-size:1.05rem;letter-spacing:.4px;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}
.logo{border-radius:6px;flex:0 0 auto}
nav.site a{margin-left:14px;color:#94a3b8;font-size:.9rem;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}
nav.site a:hover{color:#fff;text-decoration:none}

/* 终端布局：单栏全宽，与首页一致 */
body.layout-terminal main{max-width:980px;margin:0 auto;padding:22px 16px 8px}
body.layout-terminal .calc-main{display:block}
body.layout-terminal .calc-content{min-width:0}

h1{font-size:1.75rem;margin:.1em 0 .15em;line-height:1.25;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}
.sub{color:var(--muted);margin:.2em 0 1em;font-size:1rem}
.local-badge{display:inline-block;background:#ecfdf5;color:var(--trust);font-size:.78rem;padding:4px 10px;border-radius:999px;margin-bottom:14px;font-family:ui-monospace,monospace}
.hint{font-size:.82rem;color:var(--muted);background:#f1f5f9;border-left:3px solid var(--accent);padding:9px 12px;border-radius:0 8px 8px 0;margin:14px 18px 16px;font-family:ui-monospace,monospace}

/* 窗口面板 */
.tool-panel{background:var(--card);border:1px solid var(--border);border-radius:10px;overflow:hidden;box-shadow:0 1px 3px rgba(16,24,40,.06)}
.tool-panel.prose{padding:20px 22px}
form.calc{display:grid;grid-template-columns:1fr 1fr;gap:13px 16px;padding:18px}
.fld{display:flex;flex-direction:column;gap:5px}
label{font-size:.82rem;color:var(--muted);font-weight:600;font-family:ui-monospace,monospace}
.inp{position:relative;display:flex;align-items:center}
input,select,textarea{padding:9px 10px;border:1px solid var(--border);border-radius:7px;font-size:.98rem;width:100%;background:#fff;color:var(--ink);font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}
textarea{resize:vertical;font-family:ui-monospace,monospace}
.suf{position:absolute;right:10px;color:var(--muted);font-size:.85rem;pointer-events:none}
input:focus,select:focus,textarea:focus{outline:2px solid var(--accent);outline-offset:1px}
button.gen{background:var(--accent);color:#fff;border:none;border-radius:7px;padding:11px 16px;font-size:.95rem;font-weight:700;cursor:pointer;font-family:ui-monospace,monospace;grid-column:1/-1;justify-self:start}
button.gen:hover{background:#0c5e57}
.note{color:var(--muted);font-size:.9rem;margin:6px 0 0;font-family:ui-monospace,monospace}
.note.ok{color:var(--trust)}.note.err{color:#b91c1c}

/* 结果：等宽数据行 */
.result{margin:0 16px 16px}
.result-lines{border:1px solid var(--border);border-radius:8px;background:#0f172a;color:#e2e8f0;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;overflow:hidden}
.rl{display:flex;justify-content:space-between;gap:12px;padding:8px 13px;border-bottom:1px solid #1e293b}
.rl:last-child{border-bottom:none}
.rl-k{color:#94a3b8}.rl-v{color:#5eead4;font-weight:700}
.result-extra{margin-top:12px;overflow:auto}
.copybtn{margin-top:10px;background:#ecfdf5;color:var(--trust);border:1px solid #99f6e4;border-radius:7px;padding:7px 12px;font-size:.85rem;cursor:pointer;font-family:ui-monospace,monospace}

section{margin:24px 0}h2{font-size:1.25rem;margin:.2em 0 .5em;font-family:ui-monospace,monospace}
h3{font-size:1rem;margin:1em 0 .2em}
.faq h3{margin-top:1.1em}
.prose p{margin:.6em 0}
.ad-slot{margin:18px 0;min-height:10px}.ad-slot:empty{display:none}
.grid-links{display:flex;flex-wrap:wrap;gap:9px}.grid-links a{background:#ecfdf5;border:1px solid #99f6e4;color:var(--accent);padding:7px 12px;border-radius:999px;font-size:.88rem;font-family:ui-monospace,monospace}
.grid-links a:hover{background:#99f6e4;text-decoration:none}
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:13px}
.card{background:var(--card);border:1px solid var(--border);border-radius:10px;padding:13px}
.card h3{margin:.1em 0 .3em;font-family:ui-monospace,monospace;font-size:1rem}
.card a{font-weight:700}.card p{color:var(--muted);font-size:.86rem;margin:.2em 0 0}
footer.site{border-top:1px solid var(--border);margin-top:30px;background:var(--panel)}
footer.site .wrap{max-width:980px;margin:0 auto;padding:16px;display:flex;flex-wrap:wrap;gap:8px;justify-content:space-between;font-size:.84rem;color:#94a3b8}
footer.site a{margin-left:12px;color:#94a3b8;font-family:ui-monospace,monospace}
footer.site a:hover{color:#fff}
@media(max-width:760px){
  header.site .wrap{flex-wrap:wrap;height:auto;padding-top:8px;padding-bottom:8px}
  nav.site{margin-left:0;flex-wrap:wrap;gap:2px 12px}
  nav.site a{margin-left:0;font-size:.82rem}
  form.calc{grid-template-columns:1fr}
  h1{font-size:1.45rem}
}