: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 #1418220f,0 4px 14px #1418220a}*{box-sizing:border-box;margin:0;padding:0}html{font-size:15px}body{background:var(--c-bg);color:var(--c-text);-webkit-font-smoothing:antialiased;font-family:-apple-system,PingFang SC,Microsoft YaHei,Segoe UI,sans-serif;line-height:1.6}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}ol,ul{list-style:none}button{cursor:pointer;background:0 0;border:0}button,input,select,textarea{font:inherit}.container{max-width:1120px;margin:0 auto;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);text-overflow:ellipsis;max-width:110px;font-size:14px;overflow:hidden}.btn{text-align:center;border-radius:8px;padding:8px 20px;font-size:15px;font-weight:500;transition:all .15s;display:inline-block}.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{justify-content:space-between;align-items:baseline;margin-bottom:14px;display:flex}.section-title{font-size:20px;font-weight:700}.section-title:before{background:var(--c-brand);content:"";vertical-align:-2px;border-radius:2px;width:4px;height:18px;margin-right:10px;display:inline-block}.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{grid-template-columns:repeat(auto-fill,minmax(96px,1fr));gap:18px 14px;display:grid}.book-grid.wide{grid-template-columns:repeat(auto-fill,minmax(190px,1fr))}.book-card{text-align:center}.book-card 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var(--c-border);color:var(--c-text-2);border-radius:8px;min-width:36px;height:36px;padding:0 10px;font-size:14px}.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);text-align:center;margin-top:56px;padding:30px 0 40px;font-size:13px}.site-footer .links{justify-content:center;gap:20px;margin-bottom:10px;display:flex}.site-footer .links a:hover{color:var(--c-brand)}.empty-tip,.loading-tip{color:var(--c-text-3);text-align:center;padding:48px 0;font-size:15px}.page-title{margin:26px 0 18px;font-size:24px;font-weight:700}.engine-badge{border:1px solid var(--c-border);color:var(--c-text-3);border-radius:999px;padding:1px 10px;font-size:12px}@media (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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