:root{--bg:#FFF8F0;--card:#fff;--ink:#2B2D42;--sub:#5e6275;--mint:#0B7A71;--mint2:#2EC4B6;--butter:#FFD166;--line:#ece3d8}
@media (prefers-color-scheme:dark){:root{--bg:#15161c;--card:#1f2129;--ink:#eeedf2;--sub:#a6a9b7;--mint:#4fd1c5;--mint2:#2EC4B6;--line:#30333f}}
*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:17px/1.65 "Noto Sans TC","PingFang TC","Microsoft JhengHei",system-ui,sans-serif}
a{color:var(--mint)}
.wrap{max-width:960px;margin:0 auto;padding:0 20px}
header{display:flex;align-items:center;gap:10px;padding:18px 0}
header img{width:40px;height:40px;border-radius:12px}
.brand{font-weight:800;font-size:24px;text-decoration:none;color:var(--ink);letter-spacing:-.5px}.brand b{color:var(--mint)}
nav{margin-left:auto;display:flex;gap:16px;font-size:15px}nav a{text-decoration:none;color:var(--sub)}
.lang{border:1px solid var(--line);border-radius:999px;padding:4px 12px;background:transparent;color:var(--sub);font:inherit;font-size:14px;cursor:pointer}
.hero{padding:48px 0 32px;display:grid;grid-template-columns:1.2fr 1fr;gap:32px;align-items:center}
.hero h1{font-size:clamp(34px,6vw,56px);line-height:1.15;margin:0 0 14px;letter-spacing:-1px}
.hero h1 span{color:var(--mint)}
.hero p{font-size:19px;color:var(--sub);margin:0 0 24px}
.btn{display:inline-block;background:var(--mint);color:#fff;text-decoration:none;font-weight:700;border-radius:999px;padding:13px 24px}
.btn.ghost{background:transparent;color:var(--mint);border:1.5px solid var(--mint);margin-left:8px}
.note{font-size:14px;color:var(--sub);margin-top:10px}
.phone{background:#6B7A8F;border-radius:28px;padding:18px;box-shadow:0 20px 50px rgba(43,45,66,.18)}
.phone .video{background:linear-gradient(135deg,#3d4a5c,#8695a8);border-radius:16px;height:220px;position:relative;overflow:hidden}
.phone .sub{position:absolute;left:12px;right:12px;bottom:12px;background:rgba(20,22,31,.78);border-radius:14px;padding:10px 12px;color:#fff}
.phone .sub .a{color:#8FD3FF;opacity:.75;font-size:15px}.phone .sub .b{font-size:18px;font-weight:600}.phone .sub .th{font-size:12px;color:#FFE45C}
section{padding:28px 0}
h2{font-size:28px;margin:0 0 16px}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.card{background:var(--card);border:1px solid var(--line);border-radius:20px;padding:20px}
.card h3{margin:6px 0 6px;font-size:19px}.card p{margin:0;color:var(--sub);font-size:15.5px}
.emoji{font-size:28px}
.plans{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.plan .price{font-size:30px;font-weight:800;margin:4px 0}.plan ul{padding-left:20px;margin:8px 0 0;color:var(--sub)}
.plan.pro{border:2px solid var(--mint2)}
.doc{max-width:760px;padding-bottom:40px}.doc h1{font-size:34px;margin:24px 0 4px}.doc h2{font-size:22px;margin:28px 0 8px}
.doc .updated{color:var(--sub);font-size:14px}
footer{border-top:1px solid var(--line);margin-top:32px;padding:24px 0 40px;color:var(--sub);font-size:14px}
footer a{color:var(--sub);margin-right:14px}
[lang-en]{display:none}
html.en [lang-zh]{display:none}html.en [lang-en]{display:revert}
@media (max-width:720px){.hero{grid-template-columns:1fr;padding-top:24px}.grid,.plans{grid-template-columns:1fr}nav a.hide{display:none}.btn.ghost{margin:10px 0 0}}