.ds-store,.ds-home,.ds-product-links{--ds-ink:#24282a;--ds-muted:#626c6a;--ds-line:#dce3df;--ds-accent:#176259;--ds-mark:#8f3049;color:var(--ds-ink);font:1rem/1.65 system-ui,"Microsoft JhengHei",sans-serif;letter-spacing:0}
.ds-store *,.ds-home *,.ds-product-links *{box-sizing:border-box;letter-spacing:0;min-width:0}
.ds-store a,.ds-home a,.ds-product-links a{color:inherit;text-decoration:none;overflow-wrap:anywhere}
.ds-store a:hover,.ds-home a:hover,.ds-product-links a:hover{text-decoration:underline;text-underline-offset:4px}
.ds-store :is(a,button,input,select,summary):focus-visible,.ds-home a:focus-visible,.ds-product-links a:focus-visible{outline:3px solid #b03c59;outline-offset:4px}
.ds-store h1,.ds-store h2,.ds-store h3,.ds-store p,.ds-home h2,.ds-home h3,.ds-home p{margin:0}
.ds-store button,.ds-store input,.ds-store select{font:inherit;color:inherit;min-height:44px}
.ds-store button,.ds-store select{background:#fff;border:1px solid #b9c6c0;border-radius:4px;padding:7px 10px}
.ds-store button,.ds-store summary{cursor:pointer}
.bs-page:has(.ds-store)>.bs-header>.bs-wrap,.bs-page:has(.ds-store)>main.bs-wrap{max-width:1480px}
.bs-page:has(.ds-store)>.bs-header>.sg-language{max-width:1480px;margin-inline:auto;padding-inline:32px}
.ds-site-menu>summary{display:none}
.ds-topbar{display:flex;align-items:center;justify-content:space-between;gap:24px;margin-bottom:28px;padding-bottom:20px;border-bottom:1px solid var(--ds-line)}
.ds-store-name{font-size:1rem;font-weight:650;color:var(--ds-muted)!important}
.ds-search{display:flex;gap:10px;align-items:center;border:1px solid #a8b8af;border-radius:5px;width:min(430px,52%);padding:0 13px}
.ds-search svg{flex:none;color:var(--ds-muted)}
.ds-search input{width:100%;border:0;outline:none;background:none;padding:9px 0;font-size:.9rem}
.ds-layout{display:grid;grid-template-columns:210px minmax(0,1fr);gap:40px}
.ds-sidebar{align-self:start;position:sticky;top:16px;max-height:calc(100dvh - 32px);overflow:auto;padding-right:4px;scrollbar-width:thin}
.ds-nav{display:grid;padding-bottom:16px;gap:2px}
.ds-nav a{display:flex;align-items:center;justify-content:space-between;min-height:44px;padding:7px 12px;border-left:3px solid transparent;font-size:.88rem}
.ds-nav a[aria-current],.ds-nav a:hover{background:#edf5f0;border-left-color:var(--ds-accent);color:var(--ds-accent)}
.ds-nav small{color:var(--ds-muted);font-variant-numeric:tabular-nums}
.ds-filters{border-block:1px solid var(--ds-line);padding:6px 0 12px}
.ds-filters summary{font-size:.85rem;min-height:44px;padding:9px 3px;font-weight:650}
.ds-filters>div{display:grid;gap:12px;padding-top:8px}
.ds-filters label{display:grid;gap:4px;font-size:.8rem;color:var(--ds-muted)}
.ds-filters select{width:100%;font-size:.83rem;color:var(--ds-ink)}
.ds-filters .ds-check{display:flex;align-items:center;gap:8px;line-height:1.45}
.ds-check input{flex:none;width:17px;min-height:30px;accent-color:var(--ds-accent)}
.ds-store .ds-reset{font-size:.75rem;background:transparent}
.ds-sidebar-picks{margin-top:18px}
.ds-popular-entry{display:flex;align-items:center;justify-content:space-between;min-height:48px;font-weight:700;color:var(--ds-mark)!important;border-bottom:2px solid var(--ds-mark);font-size:.9rem}
.ds-sidebar-picks h2{font-size:.75rem;color:var(--ds-muted);font-weight:500;margin:12px 0}
.ds-mini{display:flex;align-items:center;gap:13px;padding:9px 0;border-bottom:1px solid var(--ds-line);min-height:84px}
.ds-mini .ds-cover{width:43px;height:63px;flex:none;margin:0;background:#f1f4f2}
.ds-mini strong{display:block;font-size:.8rem;line-height:1.45;font-weight:600}
.ds-mini small{display:block;font-size:.7rem;color:var(--ds-muted);margin-top:4px}
.ds-all-picks{display:inline-flex;align-items:center;min-height:44px;font-size:.8rem;color:var(--ds-accent)!important;margin-top:4px}
.ds-content{min-width:0}
.ds-section-head{display:flex;align-items:baseline;justify-content:space-between;gap:16px;margin-bottom:22px}
.ds-content h1{font-size:1.9rem;line-height:1.35;font-weight:700}
.ds-section-head h2{font-size:1.25rem;line-height:1.5}
.ds-section-head>a{font-size:.82rem;color:var(--ds-accent);flex:none;min-height:44px;display:flex;align-items:center}
.ds-series-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.ds-series-card{display:grid;grid-template-columns:minmax(104px,36%) minmax(0,1fr);gap:24px;padding:25px 22px;border:1px solid var(--ds-line);border-radius:6px;background:#f5f8f6;min-height:310px;align-items:center}
.ds-series-card:nth-child(even){background:#faf5f6;border-color:#eadde1}
.ds-series-cover{display:block;align-self:center}
.ds-cover{display:flex;align-items:center;justify-content:center;aspect-ratio:2/3;width:100%;background:#edf0ed}
.ds-cover img{display:block;width:100%;height:100%;object-fit:contain;filter:drop-shadow(0 5px 6px #0002)}
.ds-series-copy{align-self:center}
.ds-series-copy h2{font-size:1.4rem;line-height:1.4;margin:10px 0 14px}
.ds-series-copy>p:not(.ds-kicker):not(.ds-fallback){font-size:.86rem;color:#48534f;line-height:1.7}
.ds-kicker{font-size:.73rem;color:var(--ds-accent);line-height:1.5}
.ds-kicker>span{padding:0 5px;color:#939d96}
.ds-link{display:inline-flex;align-items:center;justify-content:space-between;gap:20px;font-size:.85rem;font-weight:650;color:var(--ds-accent)!important;min-height:44px;margin-top:14px}
.ds-store .ds-fallback,.ds-home .ds-fallback{color:var(--ds-mark);font-size:.72rem;line-height:1.5;margin-top:8px}
.ds-featured{border-top:1px solid var(--ds-line);margin-top:36px;padding-top:22px}
.ds-book-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:28px 24px}
.ds-book{min-width:0;display:flex;flex-direction:column;border-bottom:1px solid var(--ds-line);padding-bottom:15px}
.ds-book-cover{display:block;width:100%;max-width:156px;margin:0 auto 16px}
.ds-book .ds-cover{height:224px;aspect-ratio:auto;background:#f2f4f2}
.ds-book h3{font-size:1rem;line-height:1.5;font-weight:650;margin:6px 0}
.ds-book-copy{display:flex;flex-direction:column;flex:1}
.ds-original{font-size:.75rem;color:var(--ds-muted);line-height:1.55;overflow-wrap:anywhere}
.ds-card-actions{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-top:auto;padding-top:12px}
.ds-card-actions>a{display:inline-flex;align-items:center;min-height:44px;color:var(--ds-accent);font-size:.8rem;font-weight:600;gap:5px}
.ds-store .ds-icon{display:flex;align-items:center;justify-content:center;flex:none;width:40px;height:44px;padding:8px;border-color:transparent;background:none}
.ds-store .ds-icon[aria-pressed=true]{color:var(--ds-mark);background:#faf0f3;border-color:#e7d3d9}
.ds-versions{font-size:.75rem;border-top:1px solid var(--ds-line);margin-top:5px}
.ds-versions summary{min-height:40px;padding:8px 0;color:var(--ds-muted)}
.ds-versions summary span{font-variant-numeric:tabular-nums;color:var(--ds-accent)}
.ds-versions ul{list-style:none;padding:0;margin:0}
.ds-versions li a{display:flex;align-items:center;min-height:44px;line-height:1.5;padding:5px 0;color:var(--ds-accent)}
.ds-series-intro{max-width:760px;color:var(--ds-muted);font-size:.9rem;padding:0 0 18px}
.ds-result{font-size:.8rem;color:var(--ds-muted);margin-bottom:20px!important}
.ds-tabs{display:flex;border-bottom:1px solid var(--ds-line);gap:24px;margin:20px 0 24px}
.ds-tabs a{display:flex;align-items:center;min-height:48px;font-size:.85rem;color:var(--ds-muted);border-bottom:3px solid transparent;padding:8px 2px;margin-bottom:-1px}
.ds-tabs a[aria-selected=true]{color:var(--ds-mark);border-color:var(--ds-mark);font-weight:650}
.ds-data-note{padding:12px 16px;border-left:3px solid #afbd83;background:#f6f8f0;font-size:.82rem;color:#596348;margin-bottom:26px!important}
.ds-reference{display:flex;align-items:center;gap:12px;margin-bottom:24px;font-size:.85rem;flex-wrap:wrap}
.ds-reference select{max-width:100%}
.ds-empty{padding:42px 0;border-top:1px solid var(--ds-line);color:var(--ds-muted);font-size:.9rem}
.ds-empty button{margin-top:14px}
.ds-pagination{display:flex;justify-content:center;align-items:center;gap:24px;margin-top:28px;font-size:.85rem}
.ds-pagination a{min-height:44px;display:flex;align-items:center}
.ds-personal{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;font-size:.8rem;color:var(--ds-muted);margin-bottom:20px}
.ds-personal button{font-size:.8rem}
.ds-feedback{font-size:.8rem;color:var(--ds-mark)}
.ds-home{padding:30px 0}
.ds-home>.ds-home-inner{max-width:1440px;margin:auto;padding:0 32px}
.ds-home h2{font-size:1.5rem}
.ds-home .ds-series-card h3{font-size:1.4rem;line-height:1.4;margin:10px 0 14px}
.ds-product-links{border-top:1px solid var(--ds-line);margin-top:24px;padding-top:16px}
.ds-product-links h2{font-size:1.15rem;margin-bottom:14px}
.ds-related-mini{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.ds-breadcrumb{display:flex;align-items:center;gap:7px 12px;flex-wrap:wrap;font-size:.8rem;color:#626c6a;line-height:1.5;margin-bottom:22px}
.ds-breadcrumb a{min-height:44px;display:inline-flex;align-items:center;color:#176259}
@media(min-width:900px){.ds-filters summary{font-weight:650}}
@media(max-width:1200px){.ds-layout{grid-template-columns:185px minmax(0,1fr);gap:26px}.ds-series-card{grid-template-columns:104px minmax(0,1fr);gap:18px;padding:20px 16px;min-height:300px}.ds-series-copy h2{font-size:1.2rem}.ds-book-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media(max-width:1000px){.ds-series-grid{grid-template-columns:1fr}.ds-series-card{grid-template-columns:120px minmax(0,1fr);min-height:240px}.ds-series-copy h2{font-size:1.4rem}.ds-sidebar{max-height:none;position:static}.ds-book-grid{gap:24px 18px}}
@media(max-width:760px){.bs-page:has(.ds-store)>main.bs-wrap{padding:22px 18px 32px}.ds-topbar{display:block;margin-bottom:20px;padding-bottom:16px}.ds-store-name{display:block;margin-bottom:12px}.ds-search{width:100%}.ds-layout{display:flex;flex-direction:column;gap:24px}.ds-content{order:0;width:100%}.ds-sidebar{display:contents}.ds-nav{order:-2;display:flex;flex-wrap:wrap;gap:4px 8px;padding:0}.ds-nav a{border-left:0;border-bottom:2px solid transparent;padding:5px 8px;min-height:40px;font-size:.77rem}.ds-nav a[aria-current]{border-bottom-color:var(--ds-accent)}.ds-nav small{margin-left:8px}.ds-filters{order:-1;width:100%;padding:0}.ds-filters>div{grid-template-columns:repeat(2,minmax(0,1fr));padding-bottom:16px}.ds-filters .ds-check{grid-column:1/-1}.ds-sidebar-picks{order:1;margin:0;border-top:1px solid var(--ds-line);padding-top:10px}.ds-sidebar-picks .ds-mini{display:inline-flex;vertical-align:top;width:calc(50% - 8px);margin-right:8px}.ds-content h1{font-size:1.5rem}.ds-section-head{align-items:center;gap:12px;margin-bottom:16px}.ds-section-head>a{font-size:.75rem}.ds-series-grid{gap:16px}.ds-series-card{grid-template-columns:104px minmax(0,1fr);gap:20px;min-height:235px;padding:20px 16px}.ds-series-copy h2,.ds-home .ds-series-card h3{font-size:1.25rem}.ds-series-copy>p:not(.ds-kicker):not(.ds-fallback){font-size:.8rem}.ds-series-copy .ds-kicker{font-size:.68rem}.ds-link{font-size:.8rem;margin-top:8px}.ds-featured{margin-top:26px;padding-top:18px}.ds-book-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:24px 18px}.ds-book-cover{max-width:130px;margin-bottom:12px}.ds-book .ds-cover{height:182px}.ds-book h3{font-size:.9rem}.ds-original{font-size:.7rem}.ds-kicker{font-size:.68rem}.ds-store .ds-fallback{font-size:.67rem}.ds-card-actions>a{font-size:.74rem}.ds-tabs{gap:16px;margin:16px 0 20px}.ds-tabs a{font-size:.78rem}.ds-data-note{font-size:.75rem;padding:10px 12px}.ds-home>.ds-home-inner{padding:0 18px}.ds-related-mini{grid-template-columns:1fr;gap:0}.ds-home .ds-section-head h2{font-size:1.25rem}}
@media(max-width:359px){.ds-series-card{grid-template-columns:88px minmax(0,1fr);gap:14px;padding:18px 12px}.ds-series-copy h2{font-size:1.1rem}.ds-tabs{gap:10px}.ds-tabs a{font-size:.72rem}.ds-book-grid{gap:20px 14px}.ds-book .ds-cover{height:164px}.ds-nav a{font-size:.72rem;padding:4px 6px}}
@media(max-width:760px){
 .bs-page:has(.ds-store)>.bs-header>.bs-wrap{position:relative;padding:12px 18px;gap:14px;flex-wrap:nowrap}
 .bs-page:has(.ds-store)>.bs-header>.sg-language{padding:10px 18px;gap:8px 14px}
 .bs-page:has(.ds-store)>.bs-header .bs-brand{font-size:1.2rem}
 .ds-site-menu>summary{display:flex;align-items:center;min-height:44px;cursor:pointer;font-size:.8rem;color:#176259;gap:8px}
 .ds-site-menu>summary::after{content:'☰';font-size:1rem}
 .ds-site-menu:not([open])>nav{display:none}
 .bs-page .ds-site-menu[open]>nav{display:grid;position:absolute;top:64px;right:18px;z-index:50;min-width:190px;max-width:calc(100vw - 36px);background:white;box-shadow:0 8px 22px #0002;padding:12px 18px;gap:0;border:1px solid #dce3df;border-radius:4px}
 .bs-page .ds-site-menu nav a{min-height:44px;justify-content:flex-start}
 .ds-topbar .ds-store-name{display:none}
 .ds-nav{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:2px 12px}
 .ds-nav a[href*='/books/series/']{display:none}
 .ds-nav a{min-height:36px}
 .ds-layout{gap:18px}
}
@media(prefers-reduced-motion:reduce){.ds-store *,.ds-home *{scroll-behavior:auto!important}}