:root{--bg:#faf6f9;--card:#fff;--ink:#1f1a1e;--mute:#5e5560;--brand:#c13584;--brand-2:#a8266f;--line:#e8dde4;--chip:#f6e8f0;--focus:#c2410c;--warn:#8a4b00;--err:#9f1c1c;--sym:"Segoe UI Symbol","Noto Sans Math","Apple Symbols",system-ui,sans-serif}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font-family:-apple-system, BlinkMacSystemFont, "PingFang TC", "Noto Sans TC", "Microsoft JhengHei", "Heiti TC", sans-serif;line-height:1.7;font-size:16px}
a{color:var(--brand-2)}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:3px solid var(--focus);outline-offset:2px}
.wrap{max-width:1040px;margin:0 auto;padding:0 16px}
.skip{position:absolute;left:-9999px;top:0;background:#fff;padding:8px 12px;z-index:100}
.skip:focus{left:8px;top:8px}
.sr,.offscreen{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0;padding:0;margin:-1px}
.offscreen{left:-9999px;top:0}
header.top{background:#fff;border-bottom:1px solid var(--line)}
header.top .wrap{display:flex;align-items:center;gap:8px 14px;min-height:52px;flex-wrap:wrap}
.logo{display:inline-flex;align-items:center;gap:8px;font-weight:700;color:var(--ink);text-decoration:none;font-size:18px;white-space:nowrap;min-height:44px}
.logo .dot{width:20px;height:20px;border-radius:6px;background:var(--brand);box-shadow:inset 0 -7px 0 #f58529}
nav.main{display:flex;gap:2px;overflow-x:auto;scrollbar-width:none;margin:0 -16px 0 auto;padding-right:16px;max-width:100%}
nav.main::-webkit-scrollbar{display:none}
nav.main a{text-decoration:none;color:var(--mute);padding:10px 8px;border-radius:8px;font-size:15px;white-space:nowrap;min-height:44px;display:inline-flex;align-items:center}
nav.main a[aria-current]{color:var(--brand-2);background:var(--chip);font-weight:600}
@media (max-width:620px){header.top .wrap{padding-top:2px;gap:0}nav.main{margin:0 -16px;padding:0 12px;width:calc(100% + 32px)}nav.main a{min-height:44px;padding:8px 9px}}
.crumb{font-size:14px;color:var(--mute);margin:-2px 0 -8px;line-height:44px}
.crumb a{color:var(--mute);display:inline-flex;align-items:center;min-height:44px;min-width:44px}
h1{font-size:24px;line-height:1.35;margin:10px 0 4px}
h2{font-size:20px;line-height:1.4;margin:28px 0 8px}
h3{font-size:17px;margin:0 0 4px}
.answer{margin:0 0 10px;font-size:15px;line-height:1.6}
.muted{color:var(--mute)}
[hidden]{display:none!important}
/* tool */
.tool{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:12px;margin-bottom:6px}
.lbl{display:block;font-weight:600;margin:0 0 4px}
textarea{display:block;width:100%;font:inherit;font-size:16px;line-height:1.5;border:1px solid var(--line);border-radius:10px;padding:8px 10px;resize:vertical;min-height:64px;background:#fff;color:var(--ink)}
select{font:inherit;font-size:16px;min-height:44px;border:1px solid var(--line);border-radius:10px;padding:6px 10px;background:#fff;color:var(--ink);max-width:100%}
.row{display:flex;flex-wrap:wrap;gap:6px 12px;align-items:center;margin:8px 0}
.row .muted{font-size:14px;margin-right:auto}
.tool button{font:inherit;font-size:15px;min-height:44px;min-width:44px;padding:6px 14px;border:1px solid var(--line);border-radius:10px;background:#fff;color:var(--ink);cursor:pointer}
.tool button.primary{background:var(--brand);color:#fff;border-color:var(--brand);font-weight:600}
.tool button:disabled{opacity:.5;cursor:not-allowed}
.chips{display:flex;flex-wrap:wrap;gap:6px;align-items:center;margin:4px 0 10px}
.tool .chip{font-size:14px;border-radius:999px;background:var(--chip);padding:4px 14px;min-height:40px}
.tool .chip[aria-pressed=true]{background:var(--brand);color:#fff;border-color:var(--brand);font-weight:600}
.styles{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:minmax(0,1fr);gap:8px}
.style-card{background:#fff;border:1px solid var(--line);border-radius:12px;padding:8px 10px;min-width:0}
.style-card.sel{border-color:var(--brand);box-shadow:0 0 0 1px var(--brand)}
.style-card .meta{display:flex;flex-wrap:wrap;align-items:center;gap:2px 8px;font-size:14px;color:var(--mute)}
.style-card .sn{font-weight:600}
.badge{font-size:12px;line-height:1.5;padding:0 8px;border-radius:999px;background:#fff3e0;color:var(--warn);border:1px solid #f2d3a6}
.out{font-family:var(--sym);font-size:20px;line-height:1.5;min-height:1.5em;margin:2px 0 6px;white-space:pre-wrap;overflow-wrap:anywhere;word-break:break-word;user-select:text;-webkit-user-select:text}
.acts{display:flex;gap:8px}
/* IG preview */
.pv{background:#fbf3f8;border:1px solid var(--line);border-radius:14px;padding:10px;margin:10px 0}
.pv .lbl{margin-top:8px}
.phone{background:#fff;border:1px solid var(--line);border-radius:18px;padding:12px;max-width:380px;margin:6px 0 10px}
.pf{display:flex;align-items:center;gap:12px}
.av{flex:none;width:56px;height:56px;border-radius:50%;background:linear-gradient(45deg,#f58529,#dd2a7b 55%,#8134af);color:#fff;font-weight:700;font-size:24px;display:flex;align-items:center;justify-content:center}
.who{min-width:0}
.who p{margin:0}
.un{font-size:14px;color:var(--mute);line-height:1.4}
.dn{font-family:var(--sym);font-weight:600;line-height:1.4;overflow-wrap:anywhere;word-break:break-word}
.bio{font-family:var(--sym);margin-top:8px;font-size:15px;line-height:1.5;white-space:pre-wrap;overflow-wrap:anywhere;word-break:break-word;min-height:1.5em}
.cnt{font-size:15px;font-weight:600;margin-right:auto}
.cnt.over{color:var(--err)}
.cnt-live{margin-right:auto}
.pv.big .phone{max-width:none}
.pv.big .av{width:72px;height:72px;font-size:30px}
.pv.big .dn{font-size:19px}
.pv.big .bio{font-size:17px}
.acc{font-size:14px;color:var(--mute);margin:0 0 8px}
/* content */
.content section{margin:0}
.content p,.prose p{margin:0 0 10px}
.content ul,.content ol{margin:0 0 10px;padding-left:1.4em}
.faq .qa{background:#fff;border:1px solid var(--line);border-radius:12px;padding:12px 14px;margin-bottom:8px}
.faq .qa p{margin:0}
.related{margin-bottom:28px}
.cards{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:1fr;gap:10px}
.card{display:block;background:#fff;border:1px solid var(--line);border-radius:12px;padding:12px 14px;text-decoration:none;color:var(--ink);height:100%;min-height:44px}
.card:hover{border-color:var(--brand)}
.card .cn{display:block;font-weight:700;color:var(--brand-2)}
.card .cd{display:block;font-size:14px;color:var(--mute)}
.prose{background:#fff;border:1px solid var(--line);border-radius:14px;padding:14px 16px 6px;margin:14px 0 8px}
.prose h2{font-size:18px;margin:16px 0 6px}
footer{border-top:1px solid var(--line);background:#fff;font-size:14px;color:var(--mute);margin-top:24px}
footer .wrap{display:flex;flex-wrap:wrap;gap:4px 16px;align-items:center;padding-top:10px;padding-bottom:10px}
footer a{color:var(--mute);display:inline-flex;align-items:center;min-height:44px}
.toast{position:fixed;left:50%;bottom:20px;transform:translateX(-50%) translateY(20px);background:var(--ink);color:#fff;padding:10px 16px;border-radius:10px;font-size:15px;opacity:0;pointer-events:none;transition:opacity .2s,transform .2s;z-index:60;max-width:90vw}
.toast.on{opacity:1;transform:translateX(-50%) translateY(0)}
@media (min-width:600px){.styles,.cards{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (min-width:900px){h1{font-size:30px}.answer{font-size:16px}.tool{padding:20px}.cards{grid-template-columns:repeat(3,minmax(0,1fr))}.styles{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media (prefers-reduced-motion:reduce){.toast{transition:none}}