:root{--c-bg:#f6f7f9;--c-surface:#fff;--c-border:#e5e8ee;--c-text:#26282e;--c-text-2:#6b7280;--c-text-3:#9aa1ac;--c-brand:#e05a2b;--c-brand-dark:#c44a1f;--c-brand-soft:#fdf0ea;--c-link:#2f6fdd;--radius:10px;--shadow:0 1px 3px rgba(20,24,34,.06),0 4px 14px rgba(20,24,34,.04)}*{box-sizing:border-box;margin:0;padding:0}html{font-size:15px}body{background:var(--c-bg);color:var(--c-text);font-family:-apple-system,PingFang SC,Microsoft YaHei,Segoe UI,sans-serif;line-height:1.6;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}img{display:block;max-width:100%}ol,ul{list-style:none}button{background:none;border:0;cursor:pointer}button,input,select,textarea{font:inherit}.container{margin:0 auto;max-width:1120px;padding:0 16px}.site-header{background:var(--c-surface);border-bottom:1px solid 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14px}.user-name{color:var(--c-text-2);font-size:14px;max-width:110px;overflow:hidden;text-overflow:ellipsis}.btn{border-radius:8px;display:inline-block;font-size:15px;font-weight:500;padding:8px 20px;text-align:center;transition:all .15s}.btn-primary{background:var(--c-brand);color:#fff}.btn-primary:hover{background:var(--c-brand-dark)}.btn-outline{background:var(--c-surface);border:1px solid var(--c-border);color:var(--c-text-2)}.btn-outline:hover{border-color:var(--c-brand);color:var(--c-brand)}.btn-ghost{color:var(--c-text-2)}.btn-ghost:hover{color:var(--c-brand)}.btn:disabled{cursor:not-allowed;opacity:.55}.section{margin-top:28px}.section-head{align-items:baseline;display:flex;justify-content:space-between;margin-bottom:14px}.section-title{font-size:20px;font-weight:700}.section-title:before{background:var(--c-brand);border-radius:2px;content:"";display:inline-block;height:18px;margin-right:10px;vertical-align:-2px;width:4px}.section-more{color:var(--c-text-3);font-size:14px}.section-more:hover{color:var(--c-brand)}.panel{background:var(--c-surface);border-radius:var(--radius);box-shadow:var(--shadow);padding:18px}.book-grid{display:grid;gap:18px 14px;grid-template-columns:repeat(auto-fill,minmax(96px,1fr))}.book-grid.wide{grid-template-columns:repeat(auto-fill,minmax(190px,1fr))}.book-card{text-align:center}.book-card .cover{background:#eceef2;border-radius:8px;box-shadow:var(--shadow);overflow:hidden;padding-top:133%;position:relative;width:100%}.book-card .cover img{height:100%;inset:0;-o-object-fit:cover;object-fit:cover;position:absolute;transition:transform .2s;width:100%}.book-card:hover .cover img{transform:scale(1.04)}.book-card .title{display:-webkit-box;font-size:14px;font-weight:600;-webkit-line-clamp:1;line-height:1.4;margin-top:8px;-webkit-box-orient:vertical;overflow:hidden}.book-card:hover .title{color:var(--c-brand)}.book-card .author{color:var(--c-text-3);font-size:12px;margin-top:2px}.book-rows li{align-items:center;border-bottom:1px dashed var(--c-border);display:flex;font-size:14px;gap:10px;padding:9px 2px}.book-rows li:last-child{border-bottom:0}.book-rows .idx{align-items:center;background:#eef0f4;border-radius:4px;color:var(--c-text-3);display:flex;flex-shrink:0;font-size:12px;height:20px;justify-content:center;width:20px}.book-rows li:nth-child(-n+3) .idx{background:var(--c-brand);color:#fff}.book-rows .t{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.book-rows .t:hover{color:var(--c-brand)}.book-rows .meta{color:var(--c-text-3);font-size:12px;white-space:nowrap}.cat-chips{display:flex;flex-wrap:wrap;gap:10px}.cat-chips a{background:var(--c-surface);border:1px solid var(--c-border);border-radius:999px;color:var(--c-text-2);font-size:14px;padding:6px 16px}.cat-chips a:hover{border-color:var(--c-brand);color:var(--c-brand)}.cat-chips a.active{background:var(--c-brand);border-color:var(--c-brand);color:#fff}.book-detail{display:flex;gap:24px}.book-detail .cover{align-self:flex-start;background:#eceef2;border-radius:8px;box-shadow:var(--shadow);flex-shrink:0;overflow:hidden;width:168px}.book-detail .cover img{display:block;height:224px;-o-object-fit:cover;object-fit:cover;width:168px}.book-detail .info{flex:1;min-width:0}.book-detail h1{font-size:24px;margin-bottom:6px}.book-detail .author{color:var(--c-text-2);margin-bottom:10px}.book-detail .author a{color:var(--c-link)}.book-detail .stats{display:flex;gap:28px;margin:14px 0}.book-detail .stats b{display:block;font-size:18px}.book-detail .stats span{color:var(--c-text-3);font-size:12px}.book-detail .desc{color:var(--c-text-2);font-size:14px}.book-detail .actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:18px}.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px}.tag-row em{background:var(--c-brand-soft);border-radius:999px;color:var(--c-brand);font-size:12px;font-style:normal;padding:2px 10px}.catalog-list{display:grid;gap:2px 18px;grid-template-columns:repeat(auto-fill,minmax(230px,1fr))}.catalog-list a{border-bottom:1px dashed var(--c-border);display:flex;font-size:14px;gap:8px;justify-content:space-between;overflow:hidden;padding:7px 6px;text-overflow:ellipsis;white-space:nowrap}.catalog-list a:hover{color:var(--c-brand)}.catalog-list .vip{color:#d99b0c;flex-shrink:0;font-size:12px}.catalog-list 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var(--c-border);border-radius:8px;color:var(--c-text-2);font-size:14px;height:36px;min-width:36px;padding:0 10px}.pagination button.on{background:var(--c-brand);border-color:var(--c-brand);color:#fff}.pagination button:disabled{cursor:not-allowed;opacity:.45}.site-footer{border-top:1px solid var(--c-border);color:var(--c-text-3);font-size:13px;margin-top:56px;padding:30px 0 40px;text-align:center}.site-footer .links{display:flex;gap:20px;justify-content:center;margin-bottom:10px}.site-footer .links a:hover{color:var(--c-brand)}.empty-tip,.loading-tip{color:var(--c-text-3);font-size:15px;padding:48px 0;text-align:center}.page-title{font-size:24px;font-weight:700;margin:26px 0 18px}.engine-badge{border:1px solid var(--c-border);border-radius:999px;color:var(--c-text-3);font-size:12px;padding:1px 10px}@media(max-width:860px){.main-nav{display:none}.header-inner{gap:12px}.book-detail{flex-direction:column}.book-detail .cover{width:132px}.book-detail .cover 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