/* 书城首页（微信读书式·浅色简洁） — logos-rhema 书报合辑
   无深色页眉条：居中 logo + 搜索 + 热搜词；榜单 3 栏；名家文集；分类 3 行。 */
:root{
  --bg:#f5f3ed; --card:#fffdfa; --ink:#2b2117; --ink2:#5c4f3c; --muted:#93836b;
  --line:#ece4d6; --gold:#b3872f; --gold2:#c8a04a; --gold-soft:#dcc79a;
}
*{box-sizing:border-box}
html{height:auto!important}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;
  -webkit-text-size-adjust:100%;line-height:1.6;
}
a{color:inherit;text-decoration:none}
.serif{font-family:"Songti SC","Noto Serif SC",STSong,"SimSun",serif}
.bs-wrap{max-width:1120px;margin:0 auto;padding:0 24px}

/* ── Hero：浅色，居中 logo + 搜索 + 热搜词（微信读书式） ── */
.bs-hero{padding:46px 24px 30px;text-align:center}
.bs-logo{display:inline-flex;align-items:center;gap:12px;margin-bottom:8px}
.bs-logo .mk{
  display:inline-flex;align-items:center;justify-content:center;color:#b3872f;
}
.bs-hero h1{margin:0;font-size:30px;font-weight:700;letter-spacing:3px;color:var(--ink)}
.bs-hero .tag{margin:2px 0 26px;color:var(--muted);font-size:14px}
.bs-search{max-width:660px;margin:0 auto}
.bs-search .row{
  display:flex;align-items:center;background:#fff;border:1px solid var(--line);
  border-radius:30px;overflow:hidden;box-shadow:0 6px 22px rgba(90,60,20,.09);
}
.bs-search input{flex:1;border:0;outline:0;padding:15px 22px;font-size:16.5px;color:var(--ink);background:transparent;min-width:0}
.bs-search button{
  border:0;cursor:pointer;background:linear-gradient(135deg,#c8a04a,#b3872f);color:#fff;
  font-size:16px;font-weight:700;padding:11px 30px;margin:5px;border-radius:24px;letter-spacing:2px;white-space:nowrap;
}
.bs-hot{margin-top:16px;display:flex;flex-wrap:wrap;justify-content:center;gap:9px}
.bs-hot .lbl{color:var(--muted);font-size:13px;align-self:center;margin-right:2px}
.bs-hot a{
  background:#fff;color:var(--ink2);font-size:13.5px;padding:5px 14px;border-radius:20px;
  border:1px solid var(--line);transition:.15s;
}
.bs-hot a:hover{border-color:var(--gold-soft);color:var(--gold);background:#fffdf6}

/* ── 内容区 ── */
.bs-main{padding:8px 0 60px}
.bs-secttl{display:flex;align-items:baseline;gap:12px;margin:0 0 18px}
.bs-secttl h2{margin:0;font-size:22px;font-weight:700;letter-spacing:1px;color:var(--ink)}
.bs-secttl .en{color:var(--muted);font-size:12px;letter-spacing:2px;text-transform:uppercase}

/* 榜单三栏 */
.bs-ranks{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-bottom:46px}
.rk-card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:18px 18px 8px;box-shadow:0 2px 10px rgba(80,55,20,.05)}
.rk-head{display:flex;align-items:center;gap:9px;padding-bottom:14px;margin-bottom:6px;border-bottom:1px solid var(--line)}
.rk-head .ic{display:inline-flex;align-items:center;line-height:0;color:var(--gold)}
.rk-head h3{margin:0;font-size:18px;font-weight:700;white-space:nowrap}
.rk-head .sub{margin-left:auto;color:var(--muted);font-size:12px;white-space:nowrap;flex:0 0 auto}
.rk-list{list-style:none;margin:0;padding:0}
.rk-list li a{display:flex;align-items:center;gap:12px;padding:9px 4px;border-radius:8px;transition:background .15s}
.rk-list li a:hover{background:#faf4e8}
.rk-no{flex:0 0 22px;text-align:center;font-size:16px;font-weight:800;font-style:italic;color:#c9bda6;font-family:Georgia,serif}
.rk-list li:nth-child(1) .rk-no{color:#d33c2e}
.rk-list li:nth-child(2) .rk-no{color:#e07b1a}
.rk-list li:nth-child(3) .rk-no{color:#caa032}
/* 文字书封（渐变书脊）— 文字居中 */
.rk-cover{
  flex:0 0 42px;width:42px;height:56px;border-radius:4px;overflow:hidden;position:relative;
  display:flex;align-items:center;justify-content:center;text-align:center;
  box-shadow:0 2px 6px rgba(0,0,0,.22);color:#fff;
}
.rk-cover::before{content:"";position:absolute;left:4px;top:0;bottom:0;width:1px;background:rgba(255,255,255,.28)}
.rk-cover em{
  font-style:normal;font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Noto Sans CJK SC",sans-serif;font-size:10px;font-weight:750;line-height:1.35;
  padding:4px 5px;text-align:center;word-break:keep-all;overflow-wrap:anywhere;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
  text-shadow:0 1px 2px rgba(0,0,0,.25);
}
.rk-meta{flex:1;min-width:0}
.rk-name{display:block;font-size:15px;color:var(--ink);font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.rk-reads{display:block;font-size:12px;color:var(--muted);margin-top:2px}
.rk-empty{color:var(--muted);font-size:14px;padding:20px 4px;text-align:center}

/* 书封分类配色 */
.cv1{background:linear-gradient(150deg,#c0392b,#7b241c)}
.cv2{background:linear-gradient(150deg,#16897a,#0e5c52)}
.cv3{background:linear-gradient(150deg,#2470b8,#164a7c)}
.cv4{background:linear-gradient(150deg,#6c4bb0,#432c7a)}
.cv5{background:linear-gradient(150deg,#b8802b,#7c5316)}
.cv7{background:linear-gradient(150deg,#55677a,#33414f)}
.cv8{background:linear-gradient(150deg,#6d7a3a,#454e22)}
.cv91{background:linear-gradient(150deg,#9a6b3f,#5f3f22)}
.cv92{background:linear-gradient(150deg,#3f7d6b,#245344)}
.cv93{background:linear-gradient(150deg,#7a5aa6,#4a3170)}

/* 名家文集 */
.bs-wenji{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;margin-bottom:46px}
.wj-card{
  display:flex;align-items:center;gap:18px;border-radius:14px;padding:22px 24px;color:#fff;position:relative;overflow:hidden;
  box-shadow:0 4px 16px rgba(80,55,20,.12);transition:transform .12s,box-shadow .12s;
}
.wj-card:hover{transform:translateY(-2px);box-shadow:0 10px 26px rgba(80,55,20,.2)}
.wj-nee{background:linear-gradient(120deg,#5a8a1a,#3c5e14)}
.wj-lee{background:linear-gradient(120deg,#7b2828,#571818)}
.wj-ic{flex:0 0 52px;width:52px;height:52px;border-radius:12px;background:rgba(255,255,255,.16);display:flex;align-items:center;justify-content:center;font-size:26px}
.wj-body{flex:1;min-width:0}
.wj-name{font-size:20px;font-weight:700;letter-spacing:1px}
.wj-sub{font-size:13px;opacity:.86;margin-top:3px}
.wj-go{flex:0 0 auto;font-size:20px;opacity:.7}

/* 分类网格：桌面 4 列 → 三行；名称单行 */
.bs-cats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.cat-card{
  display:flex;align-items:center;gap:13px;background:var(--card);border:1px solid var(--line);
  border-radius:12px;padding:16px 16px;transition:transform .12s,box-shadow .12s,border-color .12s;
}
.cat-card:hover{transform:translateY(-2px);box-shadow:0 8px 20px rgba(80,55,20,.1);border-color:var(--gold-soft)}
.cat-spine{flex:0 0 7px;align-self:stretch;min-height:40px;border-radius:4px}
.cat-body{flex:1;min-width:0;display:flex;flex-direction:column;gap:3px}
.cat-name{min-width:0;font-size:16.5px;font-weight:700;color:var(--ink);line-height:1.3;word-break:break-all;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.cat-range{font-size:12px;color:var(--muted);letter-spacing:.3px;font-variant-numeric:tabular-nums}
.cat-n{flex:0 0 auto;font-size:12px;color:var(--muted);background:#f4ede0;border-radius:20px;padding:3px 10px}

/* ── 平板 ── */
@media(max-width:980px){
  .bs-ranks{grid-template-columns:1fr;gap:16px;margin-bottom:34px}
  .bs-cats{grid-template-columns:repeat(3,1fr)}
}
/* ══════════ 手机端专属（微信读书式，≤767px）══════════ */
.bm-only{display:none}
@media(max-width:767px){
  .pc-only{display:none !important}
  .bm-only{display:block}
  body{background:var(--bg);padding-bottom:calc(72px + env(safe-area-inset-bottom,0px))}
  /* 抵消 btm-nav.js 注入的 body 16px 左右内边距（用 html body 提高特异性获胜），改由各区块自控 15px 边距 */
  html body{padding-left:0 !important;padding-right:0 !important}
}
.bm-brand{display:flex;align-items:center;gap:8px;margin-bottom:4px;padding:14px 15px 0}
.bm-brand .mk{display:inline-flex;line-height:0}
.bm-brand b{font-size:20px;font-weight:700;letter-spacing:2px;color:var(--ink)}
/* 吸顶搜索栏（滚动时一直在顶部，微信读书式） */
.bm-searchbar{position:sticky;top:0;z-index:50;background:var(--bg);padding:6px 15px 8px}
.bm-search{display:flex;align-items:center;gap:8px;background:rgba(120,90,40,.08);border-radius:22px;padding:11px 16px;color:var(--muted)}
.bm-search .ic{flex:0 0 auto;color:var(--muted)}
.bm-search input{flex:1;min-width:0;border:0;background:transparent;outline:0;font-size:15px;color:var(--ink)}
.bm-search input::placeholder{color:var(--muted)}
.book-search-field{position:relative;display:flex;flex:1;min-width:0;height:100%;align-items:center;overflow:hidden}
.book-search-field input{position:relative;z-index:1;width:100%}
.book-search-field.has-visual-hint input::placeholder{color:transparent!important}
.book-search-hint{position:absolute;z-index:0;inset:0;display:none;align-items:center;overflow:hidden;color:var(--muted);pointer-events:none;white-space:nowrap}
.book-search-field.has-visual-hint .book-search-hint{display:flex}
.book-search-hint__text{display:block;max-width:none;white-space:nowrap}
.book-search-field.is-overflowing .book-search-hint__text{animation:bookSearchHint var(--book-search-duration,10s) 1.2s ease-in-out infinite alternate}
@keyframes bookSearchHint{0%,12%{transform:translateX(0)}88%,100%{transform:translateX(var(--book-search-travel,0))}}
@media(prefers-reduced-motion:reduce){.book-search-field.is-overflowing .book-search-hint__text{animation:none;overflow:hidden;text-overflow:ellipsis}}
.bm-hotline{display:flex;align-items:center;gap:8px;margin-top:6px;padding:0 15px}
.bm-hotline .lbl{flex:0 0 auto;font-size:12px;color:var(--muted)}
.bm-hotscroll{display:flex;gap:8px;overflow-x:auto;-webkit-overflow-scrolling:touch;scrollbar-width:none}
.bm-hotscroll::-webkit-scrollbar{display:none}
.bm-hotscroll a{flex:0 0 auto;font-size:13px;color:var(--ink2);background:var(--card);border:1px solid var(--line);border-radius:14px;padding:4px 12px;white-space:nowrap}
/* 本周阅读卡 */
.bm-week{display:flex;align-items:center;gap:14px;margin:14px 15px 2px;padding:15px 17px;background:var(--card);border:1px solid var(--line);border-radius:14px;box-shadow:0 2px 10px rgba(80,55,20,.05)}
.bm-week-l{flex:1;min-width:0}
.bm-week-lbl{font-size:12.5px;color:var(--muted)}
.bm-week-rk{color:var(--gold);font-weight:700;margin-left:5px}
.bm-week-val{margin:1px 0 3px;color:var(--ink)}
.bm-week-val b{font-size:26px;font-weight:800;letter-spacing:.5px;color:var(--gold)}
.bm-week-streak{font-size:11.5px;color:var(--ink2)}
.bm-week-bars{flex:0 0 auto;display:flex;gap:7px;align-items:flex-end;height:48px}
.bm-wb{display:flex;flex-direction:column;align-items:center;gap:4px;width:12px;height:100%;justify-content:flex-end}
.bm-wb i{display:block;width:6px;border-radius:3px;background:var(--gold-soft);min-height:5px}
.bm-wb.now i{background:var(--gold)}
.bm-wb em{font-style:normal;font-size:10px;color:var(--muted)}
/* 我的书架（一行横滑，全部→/books/shelf） */
.bm-shelf{margin-top:6px}
.bm-shelf-hd{display:flex;align-items:baseline;justify-content:space-between;padding:16px 15px 10px}
.bm-shelf-hd h2{margin:0;font-size:18px;font-weight:700;letter-spacing:.5px;color:var(--ink)}
.bm-shelf-more{font-size:13px;color:var(--muted);text-decoration:none}
.bm-shelf-row{display:flex;gap:13px;overflow-x:auto;-webkit-overflow-scrolling:touch;scrollbar-width:none;padding:0 15px 6px}
.bm-shelf-row::-webkit-scrollbar{display:none}
.bm-shelf-row .bm-sh-bk{flex:0 0 auto;width:86px}
.bm-sh-bk{display:flex;flex-direction:column;gap:6px;text-decoration:none}
.bm-sh-cov{aspect-ratio:3/4;border-radius:7px;box-shadow:0 5px 14px rgba(50,30,12,.24);position:relative;overflow:hidden;display:flex;align-items:center;justify-content:center;padding:0 8px}
.bm-sh-cov::before{content:"";position:absolute;left:5px;top:0;bottom:0;width:1.3px;background:rgba(255,255,255,.26)}
.bm-sh-cov em{font-style:normal;font-family:"Songti SC","Noto Serif SC",serif;font-size:11.5px;font-weight:700;color:#fff;text-align:center;line-height:1.35;text-shadow:0 1px 3px rgba(0,0,0,.34);display:-webkit-box;-webkit-line-clamp:4;-webkit-box-orient:vertical;overflow:hidden}
.bm-sh-done{position:absolute;right:0;top:0;background:#2ea060;color:#fff;font-size:10px;font-weight:700;padding:2px 6px;border-bottom-left-radius:8px}
.bm-sh-t{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;font-size:12px;color:var(--ink);font-weight:600;line-height:1.35}
.bm-sh-bar{display:block;height:4px;border-radius:3px;background:#e8ded0;overflow:hidden}
.bm-sh-bar i{display:block;height:100%;background:var(--gold);border-radius:3px}
.bm-sh-p{display:block;font-size:10.5px;color:var(--muted);margin-top:-2px}
.bm-shelf-empty{flex:1 0 100%;padding:14px 16px 20px;text-align:center;color:var(--muted);font-size:13px}
.bm-chips{display:flex;gap:9px;overflow-x:auto;-webkit-overflow-scrolling:touch;scrollbar-width:none;padding:14px 15px 2px}
.bm-chips::-webkit-scrollbar{display:none}
.bm-chip{flex:0 0 auto;display:inline-flex;align-items:center;gap:6px;font-size:14px;color:var(--ink2);background:var(--card);border:1px solid var(--line);border-radius:18px;padding:7px 14px;white-space:nowrap}
.bm-chip .dot{width:8px;height:8px;border-radius:2px;flex:0 0 auto}
.bm-sec{display:flex;align-items:center;justify-content:space-between;padding:20px 15px 12px}
.bm-sec h2{margin:0;font-size:19px;font-weight:700;letter-spacing:.5px;color:var(--ink)}
.bm-refresh{display:inline-flex;align-items:center;gap:5px;border:0;background:none;color:var(--muted);font-size:13.5px;cursor:pointer;padding:4px 2px}
.bm-refresh svg{display:block}
.bm-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px 12px;padding:0 15px}
.bm-bk{display:flex;flex-direction:column;gap:7px}
.bm-cover{position:relative;aspect-ratio:3/4.15;border-radius:6px;overflow:hidden;display:flex;align-items:center;justify-content:center;text-align:center;color:#fff;box-shadow:0 3px 10px rgba(0,0,0,.2)}
.bm-cover::before{content:"";position:absolute;left:5px;top:0;bottom:0;width:1px;background:rgba(255,255,255,.28)}
.bm-cover em{font-style:normal;font-family:"Songti SC","Noto Serif SC",serif;font-size:15px;line-height:1.3;padding:8px;display:-webkit-box;-webkit-line-clamp:5;-webkit-box-orient:vertical;overflow:hidden;text-shadow:0 1px 2px rgba(0,0,0,.3)}
.bm-section-reco .bm-cover{width:86px;height:116px;aspect-ratio:auto;margin:0 auto}
.bm-section-reco .bm-bkname,.bm-section-reco .bm-bkmeta{width:86px;margin-right:auto;margin-left:auto}
.bm-section-reco .bm-cover em{font-size:11.5px;font-weight:700;padding:7px;-webkit-line-clamp:4}
.bm-bkname{font-size:13px;color:var(--ink);font-weight:600;line-height:1.35;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.bm-bkmeta{font-size:11px;color:var(--muted)}
.bm-wenji{display:grid;grid-template-columns:1fr 1fr;gap:12px;padding:0 15px}
.bm-wj{display:flex;flex-direction:column;gap:4px;border-radius:14px;padding:16px 16px 18px;color:#fff;position:relative;overflow:hidden;box-shadow:0 4px 14px rgba(80,55,20,.14)}
.bm-wj.wj-nee{background:linear-gradient(120deg,#5a8a1a,#3c5e14)}
.bm-wj.wj-lee{background:linear-gradient(120deg,#7b2828,#571818)}
.bm-wj-ic{width:40px;height:40px;border-radius:10px;background:rgba(255,255,255,.16);display:flex;align-items:center;justify-content:center;margin-bottom:6px}
.bm-wj-name{font-size:17px;font-weight:700;letter-spacing:.5px}
.bm-wj-sub{font-size:12px;opacity:.85;line-height:1.4}
.bm-tabs{display:flex;gap:8px;padding:0 15px 12px}
.bm-tab{flex:0 0 auto;background:var(--card);color:var(--ink2);font-size:14px;border-radius:16px;padding:7px 16px;cursor:pointer;border:1px solid var(--line)}
.bm-tab.on{background:linear-gradient(135deg,#c8a04a,#b3872f);color:#fff;border-color:transparent;font-weight:600}
.bm-ranks{min-height:730px;padding:0 15px}
.bm-panel .rk-list li a{padding:10px 4px}
.bm-panel{position:relative;padding-top:30px}
.bm-ranking-more{position:absolute;top:0;right:2px;color:var(--gold);font-size:13px;font-weight:700;text-decoration:none}
.rk-head .rk-more{margin-left:auto;color:var(--gold);font-size:12px;font-weight:700;text-decoration:none}
.bm-cats{display:grid;grid-template-columns:1fr 1fr;gap:11px;padding:0 15px 8px}
.bm-cat{display:flex;align-items:center;gap:12px;min-height:78px;background:var(--card);border:1px solid var(--line);border-radius:13px;padding:14px 13px}
.bm-cat-spine{flex:0 0 6px;align-self:stretch;min-height:34px;border-radius:3px}
.bm-cat-body{flex:1;min-width:0;display:flex;flex-direction:column;gap:2px}
.bm-cat-name{font-size:16px;font-weight:750;color:var(--ink);line-height:1.3}
.bm-cat-range{margin-top:4px;font-size:13px;font-weight:500;color:var(--ink2);font-variant-numeric:tabular-nums}

/* ── 平板/手机（原电脑布局降级，仅 ≥768 可见）── */
@media(max-width:600px){
  body{padding-bottom:72px}
  .bs-wrap{padding:0 15px}
  .bs-hero{padding:30px 16px 22px}
  .bs-hero h1{font-size:25px;letter-spacing:2px}
  .bs-logo .mk svg{width:38px;height:38px}
  .bs-hero .tag{font-size:13px;margin-bottom:20px}
  .bs-search input{font-size:15.5px;padding:13px 18px}
  .bs-search button{padding:10px 22px;font-size:15px}
  .bs-secttl h2{font-size:20px}
  .bs-wenji{grid-template-columns:1fr;gap:12px;margin-bottom:34px}
  .wj-card{padding:18px 20px}
  .wj-name{font-size:18px}
  .bs-cats{grid-template-columns:repeat(2,1fr);gap:11px}
  .cat-card{padding:14px 13px}
  .cat-name{font-size:15px}
  .cat-n{display:none}
  .rk-name{font-size:14.5px}
}

/* ── 内容目录入口（v19）── */
/* 手机端顶部分段导航：书城 / 有声书 / 七次特会（在 .bm-only 内，仅手机可见） */
.bm-segs{display:flex;gap:24px;align-items:baseline;padding:10px 17px 0}
.bm-seg{position:relative;display:inline-flex;align-items:center;min-height:44px;font-size:15px;font-weight:600;color:var(--ink2);text-decoration:none;padding-bottom:7px;-webkit-tap-highlight-color:transparent}
.bm-seg.on{color:var(--ink);font-size:17.5px;font-weight:800}
.bm-seg.on::after{content:"";position:absolute;left:50%;transform:translateX(-50%);bottom:1px;width:18px;height:3px;border-radius:2px;background:var(--gold)}
/* 电脑端 hero 下的三入口导航 */
.bs-catalog-nav{display:flex;align-items:center;justify-content:center;gap:26px;margin-top:14px}
.bs-catalog-nav a{position:relative;display:inline-flex;align-items:center;min-height:44px;color:var(--ink2);font-size:14px;font-weight:650;text-decoration:none}
.bs-catalog-nav a:hover,.bs-catalog-nav a.on{color:var(--ink)}
.bs-catalog-nav a.on{font-weight:800}
.bs-catalog-nav a.on::after{content:"";position:absolute;right:0;bottom:3px;left:0;width:18px;height:3px;margin:auto;border-radius:2px;background:var(--gold)}

/* 书报搜索：手机端独立历史，不与首页搜索记录混用 */
html.book-search-open,html.book-search-open body{overflow:hidden}
.book-search-screen{display:none;position:fixed;inset:0;z-index:2147483000;height:100dvh;min-height:100dvh;overflow-y:auto;overscroll-behavior:contain;-webkit-overflow-scrolling:touch;background:#f7f5f0;color:var(--ink)}
.book-search-screen.on{display:block}
.book-search-screen>header{display:flex;align-items:center;gap:10px;padding:calc(12px + env(safe-area-inset-top,0px)) 16px 12px;border-bottom:1px solid var(--line);background:#fffdfa}
.book-search-screen>header>button{width:42px;height:42px;border:0;background:transparent;color:var(--ink);font-size:32px;line-height:1}
.book-search-screen form{display:flex;flex:1;min-width:0;align-items:center;gap:8px;min-height:46px;padding:0 9px 0 14px;border-radius:23px;background:#efebe2}
.book-search-screen form>span:not(.book-search-field){color:var(--muted);font-size:22px;transform:rotate(-18deg)}
.book-search-screen form input{flex:1;min-width:0;border:0;outline:0;background:transparent;color:var(--ink);font:inherit;font-size:16px}
.book-search-screen form button{min-height:36px;padding:0 12px;border:0;border-radius:18px;background:var(--gold);color:#fff;font:inherit;font-size:14px;font-weight:750}
.book-search-history{padding:24px 20px 40px}
.book-search-history__head{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}
.book-search-history__head h2{margin:0;font-size:18px;letter-spacing:.02em}
.book-search-history__head button{border:0;background:transparent;color:var(--muted);font:inherit;font-size:13px}
.book-search-history__item{display:flex;align-items:center;border-bottom:1px solid color-mix(in srgb,var(--line) 72%,transparent)}
.book-search-history__item>button:first-child{display:flex;flex:1;min-width:0;align-items:center;gap:12px;min-height:54px;border:0;background:transparent;color:var(--ink);font:inherit;text-align:left}
.book-search-history__item>button:first-child span{color:var(--muted);font-size:17px}.book-search-history__item b{overflow:hidden;font-size:15px;font-weight:550;text-overflow:ellipsis;white-space:nowrap}
.book-search-history__item>button:last-child{width:44px;height:44px;border:0;background:transparent;color:var(--muted);font-size:21px}
.book-search-history__empty{margin:58px 0;color:var(--muted);font-size:14px;text-align:center}
.book-search-confirm{position:fixed;inset:0;z-index:2147483640;display:flex;align-items:center;justify-content:center;padding:24px;background:rgba(31,29,25,.42)}
.book-search-confirm section{width:min(100%,350px);padding:24px;border-radius:20px;background:#fffdfa;box-shadow:0 18px 48px rgba(40,31,20,.18)}
.book-search-confirm h2{margin:0 0 9px;font-size:20px}.book-search-confirm p{margin:0;color:var(--muted);font-size:14px;line-height:1.7}.book-search-confirm section>div{display:flex;gap:10px;margin-top:20px}
.book-search-confirm button{flex:1;min-height:44px;border:1px solid var(--line);border-radius:12px;background:#fffdfa;color:var(--ink2);font:inherit;font-size:15px}.book-search-confirm button.danger{border-color:#a9362e;background:#a9362e;color:#fff;font-weight:700}

/* 榜单详情：用序号、封面和留白建立层级，不堆叠卡片 */
.book-rankings-page{min-height:100vh;margin:0;background:#f6f3ed;color:var(--ink)}
.ranking-shell{width:min(100% - 32px,760px);margin:0 auto;padding:38px 0 100px}
.ranking-head{display:grid;grid-template-columns:44px minmax(0,1fr);gap:14px;align-items:start;padding:0 4px 28px}
.ranking-back{display:flex;width:44px;height:44px;align-items:center;justify-content:center;color:var(--ink);font-size:34px;text-decoration:none}
.ranking-head span{display:block;margin-top:2px;color:var(--gold);font-size:12px;font-weight:800;letter-spacing:.16em}.ranking-head h1{margin:3px 0 6px;font-family:"Songti SC","Noto Serif SC",serif;font-size:34px;line-height:1.2}.ranking-head p{margin:0;color:var(--muted);font-size:14px;line-height:1.7}
.ranking-tabs{position:sticky;top:0;z-index:10;display:grid;grid-template-columns:repeat(3,1fr);padding:7px;border:1px solid var(--line);border-radius:18px;background:rgba(255,253,250,.94);backdrop-filter:blur(12px)}
.ranking-tabs a{display:flex;min-height:44px;align-items:center;justify-content:center;border-radius:13px;color:var(--ink2);font-size:14px;font-weight:650;text-decoration:none}.ranking-tabs a.on{background:#176f68;color:#fff;font-weight:800}
.ranking-list{margin-top:28px}.ranking-list[hidden]{display:none}.ranking-list__title{display:flex;align-items:flex-end;justify-content:space-between;padding:0 4px 14px;border-bottom:1px solid var(--line)}.ranking-list__title span{color:var(--muted);font-size:12px}.ranking-list__title h2{margin:2px 0 0;font-size:23px}.ranking-list__title>b{color:var(--gold);font-size:13px;letter-spacing:.12em}
.ranking-list ol{margin:0;padding:0;list-style:none}.ranking-list li{border-bottom:1px solid color-mix(in srgb,var(--line) 72%,transparent)}.ranking-list li a{display:grid;grid-template-columns:36px 52px minmax(0,1fr) 24px;gap:13px;align-items:center;min-height:82px;padding:12px 4px;color:inherit;text-decoration:none}.ranking-list--search li a{grid-template-columns:36px minmax(0,1fr) 24px}
.ranking-no{color:var(--muted);font-family:Georgia,serif;font-size:17px;font-style:italic;text-align:center}.ranking-list li:nth-child(-n+3) .ranking-no{color:#b22d26;font-size:24px;font-weight:700}
.ranking-cover{position:relative;display:flex;width:52px;height:68px;align-items:center;justify-content:center;overflow:hidden;border-radius:5px;padding:5px;color:#fff;box-shadow:0 4px 10px rgba(45,31,18,.2)}.ranking-cover::before{content:"";position:absolute;top:0;bottom:0;left:4px;width:1px;background:rgba(255,255,255,.3)}.ranking-cover em{display:-webkit-box;overflow:hidden;font-family:"Songti SC","Noto Serif SC",serif;font-size:9.5px;font-style:normal;font-weight:700;line-height:1.3;text-align:center;-webkit-box-orient:vertical;-webkit-line-clamp:4}
.ranking-copy{display:block;min-width:0}.ranking-copy b{display:block;overflow:hidden;font-size:16px;line-height:1.45;text-overflow:ellipsis;white-space:nowrap}.ranking-copy small{display:block;margin-top:5px;color:var(--muted);font-size:12px}.ranking-go{color:var(--muted);font-size:25px}.ranking-empty{padding:70px 0;color:var(--muted);text-align:center}
@media(min-width:768px){.ranking-shell{padding-top:64px}.ranking-head h1{font-size:42px}.ranking-tabs{top:18px}.ranking-list li a{padding-right:12px;padding-left:12px}.book-search-screen{display:none!important}}