:root{--bg:#F5F9FE;--surface:#FFFFFF;--soft:#E8F2FC;--soft2:#F3F8FF;--blue:#2F7BFF;--blue2:#1E5FD6;--title:#16324F;--text:#243447;--muted:#5B6B7C;--note:#7A8896;--line:rgba(47,123,255,.16);--shadow:0 12px 32px rgba(22,50,79,.08);--radius:16px}
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14px;border-radius:999px;color:var(--title);font-size:14px}.core-nav a:hover,.core-nav a.active{background:var(--soft);color:var(--blue2)}.header-actions{display:flex;align-items:center;gap:8px;flex:0 0 auto}.overview-btn{border:0;background:transparent;color:var(--title);cursor:pointer;padding:10px 8px}.login-btn,.register-btn,.main-btn{border-radius:999px;padding:9px 18px;font-weight:700;display:inline-flex;align-items:center;justify-content:center}.login-btn,.main-btn{background:var(--blue);color:#fff}.register-btn{background:#fff;color:var(--title);border:1px solid #C5D7F0}.drawer-overlay{position:fixed;inset:0;background:rgba(10,28,47,.34);z-index:10000;opacity:0;pointer-events:none;transition:.22s}.drawer-overlay.show{opacity:1;pointer-events:auto}.drawer{position:fixed;top:0;bottom:0;width:min(420px,88vw);background:#fff;z-index:10001;box-shadow:0 18px 60px rgba(16,36,58,.18);transition:transform .25s 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0}.hero-image,.feature-image{background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);border-radius:22px;padding:18px}.hero-image img,.feature-image img{width:100%;height:auto;object-fit:contain}.summary-row{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-top:28px}.summary-item{padding:14px;border-radius:14px;background:rgba(255,255,255,.84);border:1px solid var(--line)}.summary-item strong{display:block;color:var(--title);font-size:14px}.summary-item span{display:block;color:var(--note);font-size:12px;margin-top:4px}.section{padding:56px 0}.section-soft{background:var(--soft2)}.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:24px}.section-head h2{font-size:30px;margin:0;color:var(--title)}.section-head p{max-width:660px;margin:0;color:var(--muted)}.text-link{color:var(--blue2);font-weight:700}.category-strip{display:flex;gap:12px;overflow-x:auto;padding:4px 0 10px;scrollbar-width:thin}.category-card{min-width:230px;flex:0 0 230px;background:#fff;border:1px solid var(--line);border-radius:16px;padding:16px}.category-card b{display:block;color:var(--blue);font-size:12px}.category-card h3{margin:7px 0 6px;color:var(--title);font-size:18px}.category-card p{margin:0;color:var(--muted);font-size:14px}.intro-band{background:linear-gradient(135deg,#fff,#EEF6FF);border:1px solid var(--line);border-radius:20px;padding:26px 30px;display:grid;grid-template-columns:1.3fr .7fr;gap:28px;align-items:center;box-shadow:var(--shadow)}.intro-band h2{margin:0 0 8px;color:var(--title)}.intro-band p{margin:0;color:var(--muted)}.mini-links{display:grid;grid-template-columns:1fr 1fr;gap:10px}.mini-links a{background:#fff;border:1px solid var(--line);padding:10px 12px;border-radius:12px;color:var(--title)}.dual-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}.card{background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);border-radius:16px}.content-card{padding:24px}.content-card h3{margin:0 0 8px;color:var(--title);font-size:22px}.content-card p{margin:0 0 14px;color:var(--muted)}.topic-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.topic-card{overflow:hidden}.topic-card .img-wrap{background:#f8fbff;padding:10px;border-bottom:1px solid var(--line)}.topic-card .img-wrap img{width:100%;max-height:180px;object-fit:contain}.topic-card .body{padding:15px}.topic-card h3{margin:0 0 7px;color:var(--title);font-size:18px}.topic-card p{margin:0 0 8px;color:var(--muted);font-size:14px}.banner-card{display:grid;grid-template-columns:.9fr 1.1fr;gap:28px;align-items:center;padding:22px}.banner-card img{max-height:290px;margin:auto}.news-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.media-card{overflow:hidden}.media-card img{width:100%;max-height:240px;object-fit:contain;background:#fff}.media-card .body{padding:18px}.media-card h3{margin:0 0 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0;padding-top:18px;border-top:1px solid rgba(255,255,255,.1);font-size:13px;color:#AFC6DC}.mobile-bottom{display:none}
@media(max-width:980px){.desktop-only{display:none!important}.mobile-only{display:block}.header-inner{justify-content:space-between;height:66px}.brand-logo{width:142px;position:absolute;left:50%;transform:translateX(-50%)}.header-actions{margin-left:auto}.hero-grid,.page-hero .inner,.banner-card,.intro-band{grid-template-columns:1fr}.summary-row{grid-template-columns:repeat(2,1fr)}.topic-grid{grid-template-columns:repeat(3,1fr)}.feedback-grid{grid-template-columns:1fr 1fr}.footer-inner{grid-template-columns:1fr 1fr}.mobile-bottom{position:fixed;left:0;right:0;bottom:0;z-index:9998;background:rgba(255,255,255,.96);backdrop-filter:blur(12px);border-top:1px solid var(--line);height:58px;align-items:center;justify-content:space-around;padding-bottom:env(safe-area-inset-bottom)}.mobile-bottom a{font-size:13px;color:var(--title);font-weight:700}.site-footer{padding-bottom:90px}}
@media(max-width:680px){.container{width:min(100% - 28px,1200px)}.hero{padding-top:34px}.hero h1,.page-hero h1{font-size:34px}.hero p,.page-hero p{font-size:15px}.summary-row{grid-template-columns:1fr 1fr}.section{padding:42px 0}.section-head{display:block}.section-head h2{font-size:25px}.section-head p{margin-top:8px}.dual-grid,.news-grid,.article-grid,.feedback-grid{grid-template-columns:1fr}.topic-grid{grid-template-columns:repeat(2,1fr);gap:10px}.topic-card .img-wrap img{max-height:130px}.guide-steps{grid-template-columns:1fr}.footer-inner{grid-template-columns:1fr}.page-hero .inner{padding:24px}.hero-image,.feature-image{padding:10px}.banner-card{padding:16px}.drawer-links{grid-template-columns:1fr}.mobile-bottom{display:flex}.header-actions .login-btn{padding:8px 14px}}