:root{--ink:#0A1628;--body:#1E2A3A;--muted:#4A5568;--soft:#718096;--blue:#0033A0;--bright:#0052CC;--deep:#002066;--line:rgba(0,51,160,.14);--bg:#fff;--sub:#F5F7FA;--sub2:#EEF1F6;--shadow:0 12px 36px rgba(0,33,102,.08)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--body);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;line-height:1.75;overflow-x:hidden}body.panel-open{overflow:hidden}a{color:inherit;text-decoration:none}button,input{font:inherit}button{cursor:pointer}.shell{width:min(1220px,calc(100% - 32px));margin:0 auto}.top-blue-line{position:fixed;z-index:80;top:0;left:0;right:0;height:22px;background:var(--deep);color:#fff;font-size:12px}.top-blue-inner{height:22px;display:flex;align-items:center;justify-content:space-between}.plain-top-btn{height:22px;border:0;background:transparent;color:#fff;padding:0 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@media(max-width:700px){.shell{width:min(100% - 32px,1220px)}.tab-bar{display:none}.page-main{padding-top:110px}.top-blue-line{height:22px}.masthead{top:22px;height:68px}.masthead-inner{grid-template-columns:minmax(0,1fr) auto auto;gap:8px}.brand-lockup{min-width:0}.brand-lockup img{max-width:100px;height:30px}.brand-lockup strong{font-size:22px}.catalog-button,.app-link{padding:8px 11px;min-height:44px;font-size:14px}.catalog-panel,.search-panel{top:90px;max-height:calc(100vh - 90px)}.search-panel{bottom:0;max-height:none;background:var(--sub)}.search-shell{min-height:calc(100vh - 90px)}.hero-section{padding:18px 0 34px}.hero-media{min-height:190px}.section{padding:34px 0}.section-head{align-items:start;flex-direction:column}.tag-grid,.three-grid,.four-grid,.two-grid,.six-grid,.shelf-grid,.policy-grid{grid-template-columns:1fr}.number-list{grid-template-columns:1fr}.catalog-grid{grid-template-columns:1fr}.catalog-group{padding:12px}.footer-grid{grid-template-columns:1fr 1fr;gap:20px}.mobile-bottom{display:grid;position:fixed;z-index:70;left:0;right:0;bottom:0;grid-template-columns:repeat(5,1fr);height:calc(50px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);background:#fff;border-top:1px solid var(--line)}.mobile-bottom a{display:flex;align-items:center;justify-content:center;min-width:0;font-size:13px;color:var(--muted)}.mobile-bottom a.is-current{background:var(--blue);color:#fff;font-weight:800}.site-footer{padding-bottom:calc(84px + env(safe-area-inset-bottom))}.rank-row{grid-template-columns:56px 1fr}.rank-no{font-size:34px}.app-media{min-height:280px}.footer-note{font-size:12px}}
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