:root{--bg:#f7f8f5;--card:#fff;--ink:#1d2320;--muted:#56605b;--line:#e1e5e1;--accent:#1c6e45;--accent-ink:#fff;--soft:#e8f3ec;--warm:#fff6e5}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){--bg:#141816;--card:#1d221f;--ink:#e8ece9;--muted:#a3ada8;--line:#313934;--accent:#3fa36f;--accent-ink:#0d130f;--soft:#1f2a24;--warm:#2a261d}}
*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:17px/1.6 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif}
a{color:var(--accent)}img{max-width:100%;height:auto;display:block}
.wrap{max-width:1120px;margin:0 auto;padding:0 16px}
header.site{border-bottom:1px solid var(--line);background:var(--card);position:sticky;top:0;z-index:10}
.top{display:flex;align-items:center;gap:14px;min-height:64px;flex-wrap:wrap}
.brand{font-weight:800;font-size:19px;color:var(--ink);text-decoration:none;white-space:nowrap}.brand span{color:var(--accent)}
nav.main{display:flex;flex-wrap:wrap;gap:4px 16px;flex:1}nav.main a{color:var(--ink);text-decoration:none;font-size:15px;font-weight:600}nav.main a:hover{color:var(--accent)}
.right{display:flex;gap:10px;align-items:center;margin-left:auto}
.lang{display:inline-flex;border:2px solid var(--accent);border-radius:999px;overflow:hidden;font-weight:800;font-size:14px}
.lang a{padding:6px 12px;text-decoration:none;color:var(--accent)}.lang a.on{background:var(--accent);color:var(--accent-ink)}
.cta{background:var(--accent);color:var(--accent-ink);padding:9px 14px;border-radius:10px;font-weight:800;text-decoration:none;font-size:15px;white-space:nowrap}
@media (max-width:900px){nav.main{order:3;flex-basis:100%;padding-bottom:10px;gap:4px 14px}.cta{display:none}}
.crumb{font-size:14px;color:var(--muted);padding-top:18px}.crumb a{color:var(--muted)}
.hero{display:grid;grid-template-columns:1.1fr .9fr;gap:36px;align-items:center;padding:44px 0 28px}
@media (max-width:820px){.hero{grid-template-columns:1fr}}
.hero h1{font-size:42px;line-height:1.12;margin:0 0 14px}@media (max-width:640px){.hero h1{font-size:31px}}
.hero p{font-size:19px;color:var(--muted);margin:0 0 22px}
.paper{background:#fff;border:1px solid var(--line);border-radius:6px;box-shadow:0 10px 30px rgba(0,0,0,.08);padding:10px}
.btn{display:inline-block;background:var(--accent);color:var(--accent-ink);padding:13px 22px;border-radius:10px;font-weight:800;text-decoration:none;margin:0 10px 10px 0;border:2px solid var(--accent)}
.btn.alt{background:transparent;color:var(--accent)}
.note{font-size:14px;color:var(--muted)}
section{padding:30px 0}h2{font-size:29px;margin:0 0 8px;line-height:1.2}.lead{color:var(--muted);margin:0 0 20px}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}@media (max-width:760px){.steps{grid-template-columns:1fr}}
.step{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:18px}.step b{display:inline-flex;width:32px;height:32px;border-radius:50%;background:var(--accent);color:var(--accent-ink);align-items:center;justify-content:center;margin-bottom:8px}
.step h3{margin:4px 0}
.az{display:grid;grid-template-columns:repeat(auto-fill,minmax(76px,1fr));gap:10px}
.az a{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;height:92px;background:var(--card);border:1px solid var(--line);border-radius:12px;font-size:24px;font-weight:800;text-decoration:none;color:var(--ink)}
.az a:hover{border-color:var(--accent);color:var(--accent)}.az .pic{width:44px;height:44px;border-radius:8px}
.h-pic{display:flex;align-items:center;gap:12px}.h-pic .pic{width:52px;height:52px;border-radius:10px;flex:none}
.word{display:inline-flex;align-items:center;gap:12px;background:var(--warm);border-radius:14px;padding:8px 16px 8px 8px;font-weight:800;font-size:19px;margin:0 0 14px}.word .pic{width:64px;height:64px;border-radius:10px}
.grid{display:grid;gap:18px;grid-template-columns:repeat(auto-fill,minmax(240px,1fr))}
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:16px}
.card h3{margin:10px 0 6px;font-size:18px}.card p{margin:0 0 10px;color:var(--muted);font-size:15px}
.links a{display:inline-block;margin:4px 10px 4px 0;font-weight:700;font-size:15px}
.ws{display:grid;gap:14px;grid-template-columns:repeat(auto-fill,minmax(140px,1fr))}
.ws a{display:block;background:var(--card);border:1px solid var(--line);border-radius:10px;padding:8px;text-decoration:none;color:var(--ink);text-align:center;font-weight:700;font-size:15px}
.ws img{border:1px solid var(--line);margin-bottom:6px;aspect-ratio:612/792;width:100%;object-fit:cover;background:#fff}
.jump{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 10px}.jump a{background:var(--card);border:1px solid var(--line);border-radius:999px;padding:6px 12px;text-decoration:none;font-weight:700;font-size:14px}
.price{display:grid;grid-template-columns:1fr 1fr;gap:18px}@media (max-width:760px){.price{grid-template-columns:1fr}}
.price .card{padding:22px}.price .big{font-size:34px;font-weight:800;margin:4px 0}
ul.check{padding-left:20px;margin:0}ul.check li{margin:6px 0}
.soft{background:var(--soft);border-radius:16px;padding:24px}.warm{background:var(--warm);border-radius:16px;padding:24px}
details{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:14px 16px;margin:10px 0}summary{font-weight:800;cursor:pointer}
.detail{display:grid;grid-template-columns:.9fr 1.1fr;gap:32px;align-items:start;padding:20px 0}@media (max-width:820px){.detail{grid-template-columns:1fr}}
.detail h2{font-size:21px;margin-top:22px}
.pn{display:flex;justify-content:space-between;gap:10px;margin-top:18px;flex-wrap:wrap}.pn a{font-weight:800}
.prose{max-width:760px}.prose h2{font-size:23px;margin-top:28px}
footer.site{border-top:1px solid var(--line);margin-top:44px;padding:28px 0;color:var(--muted);font-size:14px;background:var(--card)}
footer.site h4{color:var(--ink);margin:0 0 8px;font-size:15px}footer.site a{color:var(--muted)}
.fl{display:flex;flex-wrap:wrap;gap:4px 12px;margin-bottom:16px}
@media (max-width:900px){header.site{position:static}.detail>.paper{order:2}}
.tr{display:grid;grid-template-columns:1.1fr .9fr;gap:28px;align-items:center}@media (max-width:820px){.tr{grid-template-columns:1fr}}