/* Era Chinese Online Course — нэгдсэн дизайн (ягаан). Hub, HSK 1, CSCA бүгд ижил токен ашиглана. */
:root{--pri:#6d28d9;--pri-d:#4c1d95;--pri-l:#7c3aed;--pri-s:#f1e9ff;--gold:#f5a524;--ink:#1e1633;--muted:#6a6086;--line:#e7dff5;--paper:#faf7ff;--card:#fff;--ok:#2f9e62;--bad:#d23b3b;--shadow:0 10px 30px rgba(76,29,149,.10);--radius:18px;
--font:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;--han:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans CJK SC","Noto Sans SC",sans-serif}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--font);line-height:1.6}
a{color:var(--pri)}img{max-width:100%}h1,h2,h3{line-height:1.2}
.wrap{max-width:1080px;margin:0 auto;padding:0 18px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:14px;padding:13px 22px;font:inherit;font-weight:700;font-size:15px;text-decoration:none;cursor:pointer;min-height:46px;text-align:center}
.btn-pri{background:var(--pri);color:#fff;box-shadow:0 5px 0 var(--pri-d)}.btn-pri:active{transform:translateY(3px);box-shadow:0 2px 0 var(--pri-d)}
.btn-gold{background:var(--gold);color:#3b1d00;box-shadow:0 5px 0 #b8770a}.btn-gold:active{transform:translateY(3px);box-shadow:0 2px 0 #b8770a}
.btn-w{background:#fff;color:var(--pri-d)}.btn-line{background:transparent;border:1.5px solid rgba(255,255,255,.6);color:#fff}
.btn-ghost{background:transparent;border:1.5px solid var(--line);color:var(--ink)}.btn.sm{padding:8px 14px;min-height:38px;font-size:14px;box-shadow:none}
.btn[disabled]{opacity:.55;cursor:not-allowed}
.head{position:sticky;top:0;z-index:50;background:rgba(250,247,255,.92);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.head .wrap{display:flex;align-items:center;gap:16px;height:60px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);font-weight:800}
.logo{width:36px;height:36px;border-radius:10px;background:var(--pri);color:#fff;display:grid;place-items:center;font-weight:800}
.brand small{display:block;font-weight:600;color:var(--muted);font-size:11px;letter-spacing:.04em;line-height:1}
.menu{display:flex;gap:4px;margin-left:16px}.menu a{padding:8px 12px;border-radius:10px;color:var(--muted);text-decoration:none;font-weight:600;font-size:14px}.menu a:hover{background:var(--pri-s);color:var(--pri-d)}
.acct{margin-left:auto;display:flex;align-items:center;gap:10px}.acct img{width:32px;height:32px;border-radius:50%}.acct .nm{font-weight:600;font-size:14px;max-width:140px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.hero{background:linear-gradient(150deg,#3b1478 0%,#6d28d9 55%,#8b5cf6 100%);color:#fff;position:relative;overflow:hidden}
.hero::after{content:"汉语";position:absolute;right:2%;top:-30px;font-family:var(--han);font-size:260px;font-weight:800;opacity:.09;pointer-events:none}
.hero .wrap{padding:64px 18px 72px;position:relative}
.kicker{letter-spacing:.14em;text-transform:uppercase;font-size:12px;opacity:.85;font-weight:700}
.hero h1{font-size:48px;margin:12px 0;max-width:700px}.hero p.lead{font-size:19px;max-width:620px;opacity:.95;margin:0 0 26px}
.cta{display:flex;gap:12px;flex-wrap:wrap}.hero .fine{margin-top:16px;font-size:14px;opacity:.85}
section{padding:60px 0}section.alt{background:#fff;border-block:1px solid var(--line)}
.sec-h{text-align:center;max-width:680px;margin:0 auto 34px}.sec-h h2{font-size:32px;margin:0 0 8px}.sec-h p{color:var(--muted);margin:0}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:20px}.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow)}
.card h3{margin:0 0 6px;font-size:20px}.card p{color:var(--muted);margin:0 0 10px}
.tag{display:inline-block;background:var(--pri-s);color:var(--pri-d);font-weight:700;font-size:12px;padding:4px 10px;border-radius:999px;margin-bottom:10px}
.tag.free{background:#e5f6ec;color:#176b3c}
.ticks{list-style:none;padding:0;margin:12px 0 18px}.ticks li{padding:4px 0 4px 26px;position:relative}.ticks li::before{content:"✓";position:absolute;left:0;color:var(--ok);font-weight:800}
.price{font-size:34px;font-weight:800;color:var(--pri-d)}.price small{font-size:14px;color:var(--muted);font-weight:600}
.steps{counter-reset:s}.steps .card{position:relative;padding-top:44px}.steps .card::before{counter-increment:s;content:counter(s);position:absolute;top:-16px;left:22px;width:36px;height:36px;border-radius:50%;background:var(--pri);color:#fff;font-weight:800;display:grid;place-items:center}
.plans{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;align-items:stretch}
.plan{background:var(--card);border:2px solid var(--line);border-radius:22px;padding:28px 22px;display:flex;flex-direction:column;position:relative}
.plan.best{border-color:var(--pri);box-shadow:0 14px 40px rgba(109,40,217,.18);transform:translateY(-6px)}
.plan .badge{position:absolute;top:-13px;left:50%;transform:translateX(-50%);background:var(--gold);color:#3b1d00;font-weight:800;font-size:12px;padding:5px 14px;border-radius:999px;white-space:nowrap}
.plan h3{margin:0;font-size:20px}.plan .sub{color:var(--muted);min-height:44px;margin:6px 0}.plan .ticks{flex:1}
.plan .owned{color:#176b3c;font-weight:700;text-align:center;padding:12px}
details{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:14px 18px;margin-bottom:10px}summary{cursor:pointer;font-weight:700}details p{color:var(--muted);margin:10px 0 0}
.contact{display:flex;gap:14px;flex-wrap:wrap;justify-content:center}.contact a{display:inline-flex;gap:8px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:14px;padding:12px 18px;text-decoration:none;font-weight:600}
.foot{background:#1e1633;color:#cfc6e6;padding:34px 0;font-size:14px}.foot a{color:#e6dcff}.foot .wrap{display:flex;gap:20px;justify-content:space-between;flex-wrap:wrap}
.notice{background:#fff8e8;border:1px solid #f0d99a;border-radius:14px;padding:12px 16px;margin:16px 0}
#pendingBanner{display:none;background:#fff8e8;border-bottom:1px solid #f0d99a;padding:10px 0;text-align:center;font-weight:600}
#toast{position:fixed;left:50%;bottom:30px;transform:translate(-50%,20px);background:#241a3d;color:#fff;padding:12px 18px;border-radius:14px;max-width:min(92vw,460px);font-size:14px;opacity:0;pointer-events:none;transition:.25s;z-index:100}#toast.show{opacity:1;transform:translate(-50%,0)}
.doc{max-width:780px;margin:0 auto;padding:36px 18px 70px}.doc h1{font-size:30px}.doc h2{font-size:20px;margin-top:28px}.doc li{margin:4px 0}
:focus-visible{outline:3px solid var(--pri-l);outline-offset:2px;border-radius:8px}
@media (max-width:820px){.hero h1{font-size:34px}.hero .wrap{padding:44px 18px 52px}.hero::after{font-size:160px}.grid2,.grid3,.plans{grid-template-columns:1fr}.menu{display:none}.plan.best{transform:none}section{padding:44px 0}.sec-h h2{font-size:26px}.acct .nm{display:none}}
@media (prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}