:root{
  --bg:#f6f8fb;
  --card:#ffffff;
  --card-alt:#f1f5fb;
  --text:#162033;
  --muted:#5f6f88;
  --line:#d9e2ef;
  --accent:#2c66f4;
  --accent-soft:#eaf1ff;
  --success:#1f9f68;
  --shadow:0 12px 30px rgba(21,34,61,.08);
  --radius:20px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:linear-gradient(180deg,#fbfcfe 0%, #f5f8fc 100%);
  color:var(--text);
}
img{max-width:100%;display:block}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
.container{width:min(1200px, calc(100% - 32px));margin:0 auto}
.topbar{
  position:sticky;top:0;z-index:30;
  background:rgba(255,255,255,.92);backdrop-filter: blur(10px);
  border-bottom:1px solid rgba(217,226,239,.8);
}
.nav{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:14px 0}
.brand{display:flex;align-items:center;gap:12px;color:var(--text);font-weight:800;font-size:1.08rem}
.brand-mark{width:42px;height:42px;border-radius:14px;background:linear-gradient(135deg,#2c66f4,#6b93ff);display:grid;place-items:center;color:#fff;font-weight:900;box-shadow:var(--shadow)}
.nav-links{display:flex;gap:16px;flex-wrap:wrap}
.nav-links a{color:var(--muted);font-weight:600}
.lang-switch{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.lang-pill{
  border:1px solid var(--line);background:#fff;color:var(--muted);padding:8px 12px;border-radius:999px;
  font-size:.92rem;font-weight:700
}
.lang-pill.active{background:var(--accent);border-color:var(--accent);color:#fff}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  padding:12px 18px;border-radius:14px;border:1px solid var(--accent);
  background:var(--accent);color:#fff;font-weight:700;box-shadow:var(--shadow)
}
.btn.alt{background:#fff;color:var(--accent)}
.btn.soft{background:var(--accent-soft);color:var(--accent);border-color:transparent;box-shadow:none}
.hero{padding:36px 0 24px}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:24px}
.card,.hero-panel,.page-card,.ad-box,.panel{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)
}
.hero-panel{padding:28px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;background:var(--accent-soft);color:var(--accent);
  padding:8px 12px;border-radius:999px;font-size:.88rem;font-weight:800
}
h1{font-size:clamp(2rem,4vw,3.7rem);line-height:1.04;margin:16px 0 14px}
h2{font-size:clamp(1.5rem,3vw,2.2rem);line-height:1.1;margin:0 0 14px}
h3{font-size:1.15rem;line-height:1.25;margin:0 0 10px}
p{line-height:1.78;color:var(--muted)}
.lead{font-size:1.06rem}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:22px}
.searchbox{display:flex;align-items:center;gap:12px;padding:14px 16px;border:1px solid var(--line);border-radius:16px;background:var(--card-alt);margin-top:20px}
.searchbox input{flex:1;border:0;outline:none;background:transparent;font-size:1rem;color:var(--text)}
.hero-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:18px}
.stat{padding:16px;border-radius:16px;background:var(--card-alt);border:1px solid var(--line)}
.stat strong{display:block;font-size:1.4rem}
.section{padding:18px 0}
.section-head{display:flex;align-items:end;justify-content:space-between;gap:18px;margin-bottom:18px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.topic-card{overflow:hidden}
.topic-card img{aspect-ratio:16/9;object-fit:cover;background:#eff4fb}
.topic-card .content{padding:18px}
.meta{display:flex;gap:10px;flex-wrap:wrap;color:var(--muted);font-size:.92rem}
.badge{display:inline-flex;padding:7px 10px;border-radius:999px;background:#eef7f2;color:var(--success);font-size:.78rem;font-weight:800;border:1px solid #cde9da}
.badge.blue{background:var(--accent-soft);color:var(--accent);border-color:#d5e4ff}
.panel{padding:22px}
.list{display:grid;gap:12px;padding:0;margin:0;list-style:none}
.list li{padding:14px 16px;background:var(--card-alt);border:1px solid var(--line);border-radius:16px;color:var(--text)}
.page-wrap{padding:28px 0 40px}
.page-hero{padding:26px}
.page-hero img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:18px;border:1px solid var(--line);margin-top:18px}
.pills{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px}
.pill{padding:8px 11px;border-radius:999px;background:var(--accent-soft);color:var(--accent);font-size:.84rem;font-weight:700}
.layout{display:grid;grid-template-columns:minmax(0, 1.95fr) minmax(290px,.85fr);gap:22px;margin-top:22px}
.article{padding:26px}
.article h2{margin-top:26px}
.article h3{margin-top:22px}
.article ul{padding-left:20px}
.article li{color:var(--muted);margin:10px 0;line-height:1.7}
.side{padding:22px;position:sticky;top:92px;height:fit-content}
.side .related a{display:block;padding:14px;border-radius:14px;background:var(--card-alt);border:1px solid var(--line);margin-bottom:10px;color:var(--text);font-weight:700}
.faq-item{padding:16px;border-radius:16px;background:var(--card-alt);border:1px solid var(--line);margin:12px 0}
.ad-box{padding:16px;text-align:center}
.ad-wrap{display:flex;justify-content:center;align-items:center;overflow:hidden;max-width:100%}
.desktop-only{display:block}
.mobile-only{display:none}
.box-ad iframe,.ad-wrap iframe{max-width:100%}
.mini-note{font-size:.92rem;color:var(--muted)}
.sponsored-links{display:grid;gap:10px}
.sponsored-links a{display:block;padding:12px 14px;border-radius:14px;background:#fff8ec;border:1px solid #f0d6a9;color:#8b5a08;font-weight:700}
.table-like{display:grid;gap:10px}
.row{display:grid;grid-template-columns:1.1fr 1fr;gap:12px;padding:14px;border-radius:14px;background:var(--card-alt);border:1px solid var(--line)}
.lang-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.footer{padding:28px 0 40px;color:var(--muted)}
.footer-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:18px}
.image-credit{font-size:.82rem;color:var(--muted)}
.notice{padding:14px 16px;border-radius:14px;background:#fff5f0;border:1px solid #f0d6cc;color:#8e4e38}
@media (max-width: 980px){
  .hero-grid,.layout,.footer-grid,.grid-3,.lang-grid{grid-template-columns:1fr}
  .nav-links{display:none}
  .side{position:static}
}
@media (max-width: 720px){
  .desktop-only{display:none}
  .mobile-only{display:block}
  .hero-panel,.panel,.article,.side,.page-hero{padding:18px}
  .container{width:min(100% - 20px, 1200px)}
  .hero-stats{grid-template-columns:1fr}
}