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@media(max-width:1100px){.nav-core{gap:2px}.nav-core a{padding:8px 7px;font-size:14px}.header-actions .login-link{display:none}.topic-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:860px){.site-header{position:sticky}.header-inner{min-height:64px;padding:0 14px;display:grid;grid-template-columns:84px minmax(0,1fr) 104px;gap:8px}.menu-toggle{display:flex;width:42px;height:42px;border:1px solid var(--line);background:#fff;border-radius:12px;align-items:center;justify-content:center;flex-direction:column;gap:4px;padding:0}.menu-toggle span{display:block;width:18px;height:2px;background:var(--title);border-radius:2px}.site-logo{justify-content:center;min-width:0}.site-logo img{height:34px;max-width:148px}.logo-placeholder{font-size:19px}.nav-core,.header-actions,.channel-bar{display:none}.mobile-register{display:inline-flex;height:40px;min-width:98px;padding:0 12px;justify-self:end}.site-main{padding-right:0}.drawer-overlay{display:block;position:fixed;inset:0;background:rgba(16,24,39,.36);z-index:10000}.drawer-overlay[hidden]{display:none}.mobile-drawer{display:block;position:fixed;left:0;top:0;bottom:0;width:min(84vw,320px);background:#fff;z-index:10001;transform:translateX(-102%);transition:transform .24s ease;box-shadow:20px 0 48px rgba(16,24,39,.16);overflow-y:auto}.mobile-drawer.is-open{transform:translateX(0)}.drawer-head{position:sticky;top:0;background:#fff;display:flex;align-items:center;justify-content:space-between;gap:14px;padding:16px;border-bottom:1px solid var(--line);z-index:2}.drawer-logo img{height:34px;width:auto;max-width:154px;object-fit:contain}.drawer-close{width:40px;height:40px;border-radius:50%;border:1px solid var(--line);background:#fff;color:var(--title);font-size:28px;line-height:1}.drawer-body{padding:6px 16px 26px}.drawer-body section{padding:14px 0;border-bottom:1px solid #EEF1F7}.drawer-body h2{margin:0 0 8px;color:var(--muted);font-size:13px;letter-spacing:.08em}.drawer-body a{display:block;padding:8px 0;color:var(--title);text-decoration:none;font-weight:700}.drawer-open{overflow:hidden}.side-float{display:none}.mobile-bottom{display:grid;position:fixed;left:0;right:0;bottom:0;z-index:9500;grid-template-columns:repeat(4,1fr);background:#fff;border-top:1px solid var(--line);padding-bottom:env(safe-area-inset-bottom)}.mobile-bottom a{padding:10px 6px;text-align:center;text-decoration:none;color:var(--title);font-size:13px;font-weight:800}.site-footer{margin-bottom:54px}.topic-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.grid-3{grid-template-columns:1fr 1fr}.split,.compare{grid-template-columns:1fr}.split.reverse .media{order:0}.hero-slider{height:290px}.footer-grid{grid-template-columns:1fr 1fr}.footer-bottom{flex-direction:column}.page-hero{padding:48px 0 28px}.section{padding:52px 0}}
@media(max-width:560px){.container,.reading{width:min(100% - 28px,1200px)}.page-hero h1,.home-title{font-size:clamp(28px,9vw,34px)}.page-hero p,.lead{font-size:16px}.section{padding:44px 0}.section-sm{padding:34px 0}.subhead{font-size:25px}.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}.topic-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.topic-card{min-height:136px;padding:16px}.hero-slider{height:210px;border-radius:16px}.hero-slide{padding:8px}.slider-btn{width:38px;height:38px}.header-inner{grid-template-columns:64px minmax(0,1fr) 100px;padding:0 10px}.mobile-register{min-width:94px;padding:0 10px;font-size:14px}.menu-toggle{width:40px;height:40px}.site-logo img{height:32px;max-width:140px}.split .copy h2{font-size:26px}.media.feature-media{height:228px}.footer-grid{grid-template-columns:1fr;padding-top:42px}.footer-bottom{padding-bottom:24px}.article{font-size:16px}.article h2{font-size:24px}.card{padding:18px}}
@media(max-width:380px){.header-inner{grid-template-columns:52px minmax(0,1fr) 92px}.mobile-register{min-width:88px;padding:0 8px;font-size:13px}.site-logo img{max-width:126px}.topic-grid{grid-template-columns:1fr 1fr}}