/* ============================================================================
   X-GORB Books — 与搜索页 / 词典页同一套表面与令牌
   ========================================================================== */
body.page-books{
  --bd-surface:var(--y-canvas,#fff);
  --bd-surface-2:var(--y-canvas-2,#f8f9fa);
  --bd-line:var(--y-line,#dfe1e5);
  --bd-text:var(--y-ink,#202124);
  --bd-text-2:var(--y-ink-2,#4d5156);
  --bd-text-3:var(--y-ink-3,#70757a);
  --bd-brand:var(--y-purple,#1a73e8);
  --bd-brand-soft:var(--y-purple-soft,#e8f0fe);
  --bd-radius:16px;
  --bd-shadow:0 1px 2px rgba(60,64,67,.10);
  --bd-ease:cubic-bezier(.2,0,.2,1);
}
body.page-books main.bd-main{padding:6px 0 44px}
body.page-books > header .nav-actions{margin-left:auto;display:flex;align-items:center;gap:6px}
body.page-books > header .action-btn{width:38px;height:38px;border-radius:50%;display:flex;align-items:center;justify-content:center;flex-shrink:0}
body.page-books > header .action-btn svg{width:17px;height:17px;pointer-events:none}
body.page-books > header .bd-lang-btn{width:auto;min-width:38px;padding:0 10px;border-radius:100px;font-size:.74rem;font-weight:700;letter-spacing:.02em;text-decoration:none}
body.page-books .theme-toggle-btn .icon-sun{display:none}
body.page-books .theme-toggle-btn .icon-moon{display:block}
html[data-theme="dark"] body.page-books .theme-toggle-btn .icon-sun{display:block}
html[data-theme="dark"] body.page-books .theme-toggle-btn .icon-moon{display:none}

.bd-wrap,
.bd-navwrap{width:100%;max-width:1060px;margin:0 auto;padding:0 20px}

/* ---------- 首屏 ---------- */
.bd-hero{padding:30px 6px 18px;text-align:center}
.bd-hero h1{margin:0;font-size:2rem;font-weight:700;letter-spacing:-.02em;color:var(--bd-text)}
.bd-hero h1 .bd-grad{background:linear-gradient(96deg,#1a73e8 0%,#a767e5 60%,#12bcee 100%);-webkit-background-clip:text;background-clip:text;color:transparent}
html[data-theme="dark"] .bd-hero h1 .bd-grad{background:linear-gradient(96deg,#8ab4f8 0%,#c9a6ff 60%,#7ed7ff 100%);-webkit-background-clip:text;background-clip:text}
.bd-hero p{margin:10px 0 0;font-size:.92rem;line-height:1.7;color:var(--bd-text-3)}
.bd-hero p .bd-sep{margin:0 7px;opacity:.6}

.bd-card{
  background:var(--bd-surface);border:1px solid var(--bd-line);border-radius:var(--bd-radius);
  box-shadow:var(--bd-shadow);padding:20px 22px;margin-bottom:14px;
}
.bd-sec-title{
  display:flex;align-items:center;gap:12px;margin:0 0 12px;
  font-size:.78rem;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--bd-text-3);
}
.bd-sec-title::after{content:'';flex:1;height:1px;background:var(--bd-line)}
.bd-sec-gap{margin-top:22px}
.bd-chips{display:flex;flex-wrap:wrap;gap:8px}
.bd-chip{
  display:inline-flex;align-items:center;gap:4px;padding:6px 13px;border-radius:100px;text-decoration:none;
  border:1px solid var(--bd-line);background:var(--bd-surface);font-size:.84rem;color:var(--bd-text-2);
  transition:color .16s var(--bd-ease),border-color .16s var(--bd-ease),background .16s var(--bd-ease);
}
.bd-chip:hover{color:var(--bd-brand);border-color:var(--bd-brand);background:var(--bd-brand-soft)}
.bd-note{margin:14px 0 0;font-size:.8rem;line-height:1.7;color:var(--bd-text-3)}
.bd-note i{color:var(--bd-brand);margin-right:5px}

/* ---------- 结果栏 ---------- */
.bd-meta{
  display:flex;align-items:center;gap:14px;flex-wrap:wrap;
  padding:9px 16px;margin-bottom:14px;
  background:var(--bd-surface);border:1px solid var(--bd-line);border-radius:12px;
  box-shadow:var(--bd-shadow);font-size:.8rem;color:var(--bd-text-3);
}
.bd-meta b{color:var(--bd-text-2);font-weight:600}
.bd-meta .bd-meta-src{margin-left:auto;display:inline-flex;align-items:center;gap:6px;color:var(--bd-brand)}

/* ---------- 书目列表 ---------- */
.bd-list{display:grid;grid-template-columns:1fr;gap:12px}
@media(min-width:880px){.bd-list{grid-template-columns:1fr 1fr}}
.bd-item{
  display:flex;gap:14px;padding:14px;position:relative;
  background:var(--bd-surface);border:1px solid var(--bd-line);border-radius:14px;
  box-shadow:var(--bd-shadow);
  transition:border-color .18s var(--bd-ease),box-shadow .18s var(--bd-ease),transform .18s var(--bd-ease);
}
.bd-item:hover{border-color:color-mix(in srgb,var(--bd-brand) 45%,var(--bd-line));box-shadow:0 8px 22px -14px rgba(26,115,232,.55)}
.bd-cover{
  flex:none;width:70px;height:100px;border-radius:8px;overflow:hidden;background:var(--bd-surface-2);
  display:flex;align-items:center;justify-content:center;text-decoration:none;
  border:1px solid var(--bd-line);
}
.bd-cover img{display:block;width:100%;height:100%;object-fit:cover}
.bd-cover--empty{color:var(--bd-text-3);font-size:1.3rem}
.bd-body{flex:1 1 auto;min-width:0;display:flex;flex-direction:column}
.bd-title{margin:0;font-size:.98rem;line-height:1.45;font-weight:600;color:var(--bd-text);display:flex;align-items:flex-start;gap:8px}
.bd-title a{color:inherit;text-decoration:none;overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}
.bd-title a:hover{color:var(--bd-brand)}
.bd-rate{
  flex:none;margin-left:auto;display:inline-flex;align-items:center;gap:3px;
  padding:2px 8px;border-radius:100px;font-size:.72rem;font-weight:600;line-height:1.6;
  color:#b26b00;background:#fff4d6;
}
.bd-rate i{font-size:.62rem}
html[data-theme="dark"] .bd-rate{color:#f7c96b;background:rgba(247,201,107,.14)}
.bd-author{margin:5px 0 0;font-size:.84rem;color:var(--bd-text-2);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.bd-pub{margin:2px 0 0;font-size:.78rem;color:var(--bd-text-3);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.bd-intro{
  margin:7px 0 0;font-size:.8rem;line-height:1.65;color:var(--bd-text-3);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.bd-foot{margin-top:auto;padding-top:8px;display:flex;align-items:center;gap:8px;font-size:.74rem;color:var(--bd-text-3)}
.bd-src{padding:1px 7px;border-radius:100px;background:var(--bd-surface-2);border:1px solid var(--bd-line)}
.bd-more{margin-left:auto;color:var(--bd-brand);text-decoration:none;font-weight:500;display:inline-flex;align-items:center;gap:4px}
.bd-more:hover{text-decoration:underline}

/* ---------- 分页 ---------- */
.bd-pager{display:flex;align-items:center;justify-content:center;gap:6px;margin-top:20px;flex-wrap:wrap}
.bd-page{
  min-width:34px;height:34px;padding:0 11px;border-radius:10px;border:1px solid var(--bd-line);
  background:var(--bd-surface);color:var(--bd-text-2);font-size:.84rem;text-decoration:none;
  display:inline-flex;align-items:center;justify-content:center;
}
.bd-page:hover{border-color:var(--bd-brand);color:var(--bd-brand)}
.bd-page.is-on{background:var(--bd-brand);border-color:var(--bd-brand);color:#fff;font-weight:600}
.bd-page.is-off{opacity:.45;pointer-events:none}

/* ---------- 空态 ---------- */
.bd-empty{padding:44px 24px;text-align:center}
.bd-empty-icon{
  width:58px;height:58px;margin:0 auto 16px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:var(--bd-brand-soft);color:var(--bd-brand);font-size:1.3rem;
}
.bd-empty h2{margin:0 0 8px;font-size:1.14rem;font-weight:600;color:var(--bd-text)}
.bd-empty p{margin:0 0 18px;font-size:.88rem;line-height:1.7;color:var(--bd-text-3)}
.bd-empty .bd-chips{justify-content:center}

/* ---------- 建议下拉 ---------- */
#bdSuggest{
  position:fixed;z-index:1300;display:none;padding:6px;max-height:340px;overflow-y:auto;
  background:var(--bd-surface,#fff);border:1px solid var(--bd-line,#dfe1e5);border-radius:12px;
  box-shadow:0 12px 32px rgba(32,33,36,.18);
}
#bdSuggest.show{display:block}
.bd-sug{display:flex;align-items:baseline;gap:10px;padding:9px 10px;border-radius:8px;text-decoration:none;color:var(--bd-text,#202124)}
.bd-sug:hover,.bd-sug.active{background:var(--bd-brand-soft,#e8f0fe)}
.bd-sug-word{flex:none;max-width:62%;font-size:.9rem;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.bd-sug-ex{font-size:.78rem;color:var(--bd-text-3,#70757a);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}

/* ---------- 页脚补充 ---------- */
body.page-books .social-row{display:flex;gap:8px;margin-top:4px}
.bd-cookie-btn{
  border:1px solid var(--y-line);background:var(--y-canvas);color:var(--y-ink-2);
  font-size:.72rem;font-weight:500;padding:5px 12px;border-radius:100px;line-height:1.4;
  transition:color .16s var(--bd-ease),border-color .16s var(--bd-ease);
}
.bd-cookie-btn:hover{color:var(--bd-brand);border-color:var(--bd-brand)}

@media(max-width:860px){
  .bd-wrap,.bd-navwrap{padding:0 14px}
  .bd-card{padding:16px}
  .bd-hero{padding:22px 4px 14px}
  .bd-hero h1{font-size:1.7rem}
}
@media(max-width:600px){
  .bd-wrap,.bd-navwrap{padding:0 14px}
  .bd-hero{padding:18px 2px 10px}
  .bd-hero h1{font-size:1.5rem}
  .bd-hero p{font-size:.82rem;line-height:1.7}
  .bd-card{padding:14px;border-radius:14px}
  .bd-meta{gap:6px 14px;padding:8px 12px;font-size:.74rem;border-radius:10px}
  .bd-meta-src{margin-left:0;width:100%}
  .bd-list{gap:10px}
  .bd-item{padding:11px;gap:11px;border-radius:12px}
  .bd-cover{width:58px;height:84px}
  .bd-title{font-size:.92rem}
  .bd-intro{-webkit-line-clamp:3}
  .bd-pager{gap:5px;margin-top:16px}
  .bd-page{min-width:32px;height:32px;padding:0 9px;font-size:.8rem;border-radius:9px}
  .bd-empty{padding:32px 16px}
  .bd-empty h2{font-size:1.04rem}
  .bd-det{padding:14px}
  .bd-read-body{padding:18px 14px}
}
@media(max-width:520px){
  .bd-item{padding:11px;gap:10px}
  .bd-cover{width:56px;height:82px}
  .bd-title{font-size:.9rem}
  .bd-sug-ex{display:none}
  .bd-sug-word{max-width:100%}
}
@media(max-width:360px){
  .bd-wrap,.bd-navwrap{padding:0 10px}
}
@media(prefers-reduced-motion:reduce){
  .bd-item,.bd-chip,.bd-page{transition:none}
}

/* ============================================================================
   图书详情页
   ========================================================================== */
.bd-crumbs{display:flex;align-items:center;gap:6px;font-size:.8rem;color:var(--bd-text-3);padding:16px 4px 10px;flex-wrap:wrap}
.bd-crumbs a{color:var(--bd-text-3);text-decoration:none}
.bd-crumbs a:hover{color:var(--bd-brand)}
.bd-crumbs .bd-crumb-sep{opacity:.5}
.bd-crumb-now{color:var(--bd-text-2);max-width:60vw;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

.bd-det{display:grid;grid-template-columns:196px minmax(0,1fr);gap:26px;padding:22px}
.bd-det-cover{
  width:196px;aspect-ratio:2/3;border-radius:10px;overflow:hidden;
  background:var(--bd-surface-2);border:1px solid var(--bd-line);
  display:flex;align-items:center;justify-content:center;color:var(--bd-text-3);font-size:1.6rem;
  box-shadow:0 12px 26px -18px rgba(32,33,36,.55);
}
.bd-det-cover img{width:100%;height:100%;object-fit:cover;display:block}
.bd-det-main{min-width:0}
.bd-det-title{margin:0;font-size:1.5rem;line-height:1.35;font-weight:700;color:var(--bd-text);letter-spacing:-.01em}
.bd-det-title .bd-det-sub{margin-left:6px;font-size:.9rem;font-weight:500;color:var(--bd-text-3)}
.bd-det-author{margin:8px 0 0;font-size:.92rem;color:var(--bd-text-2)}
.bd-det-score{display:flex;align-items:center;gap:14px;margin:16px 0 0;flex-wrap:wrap}
.bd-det-score-num{display:flex;align-items:baseline;gap:4px;font-size:1.6rem;font-weight:700;color:var(--bd-text)}
.bd-det-score-num small{font-size:.78rem;font-weight:500;color:var(--bd-text-3)}
.bd-det-score-label{font-size:.8rem;color:var(--bd-text-3)}
.bd-det-facts{display:grid;grid-template-columns:auto minmax(0,1fr);gap:8px 16px;margin:18px 0 0;font-size:.86rem}
.bd-det-facts dt{color:var(--bd-text-3);white-space:nowrap}
.bd-det-facts dd{margin:0;color:var(--bd-text-2);word-break:break-word;line-height:1.6}
.bd-det-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}
.bd-btn{
  display:inline-flex;align-items:center;gap:7px;height:38px;padding:0 18px;border-radius:100px;
  font-size:.85rem;font-weight:600;text-decoration:none;border:1px solid transparent;
  transition:filter .16s var(--bd-ease),background .16s var(--bd-ease),border-color .16s var(--bd-ease),color .16s var(--bd-ease);
}
.bd-btn-primary{background:var(--bd-brand);color:#fff;box-shadow:0 10px 22px -14px rgba(26,115,232,.9)}
.bd-btn-primary:hover{filter:brightness(.94)}
.bd-btn-ghost{background:var(--bd-surface);border-color:var(--bd-line);color:var(--bd-text-2)}
.bd-btn-ghost:hover{color:var(--bd-brand);border-color:var(--bd-brand);background:var(--bd-brand-soft)}
.bd-det-sec{margin-top:14px}
.bd-det-sec h2{display:flex;align-items:center;gap:10px;margin:0 0 12px;font-size:1rem;font-weight:600;color:var(--bd-text)}
.bd-det-sec h2::before{content:'';width:3px;height:15px;border-radius:2px;background:var(--bd-brand)}
.bd-prose{font-size:.9rem;line-height:1.9;color:var(--bd-text-2);word-break:break-word}
.bd-prose p{margin:0 0 12px}
.bd-prose p:last-child{margin-bottom:0}
.bd-det-note{font-size:.8rem;color:var(--bd-text-3);line-height:1.7;margin-top:14px}
.bd-det-warn{
  display:flex;align-items:flex-start;gap:8px;padding:10px 14px;border-radius:10px;
  background:#fff4d6;color:#8a5a00;font-size:.82rem;line-height:1.7;
}
html[data-theme="dark"] .bd-det-warn{background:rgba(247,201,107,.14);color:#f7c96b}
@media(max-width:760px){
  .bd-det{grid-template-columns:1fr;justify-items:center;gap:18px;padding:16px}
  .bd-det-cover{width:168px}
  .bd-det-main{width:100%}
  .bd-det-title{font-size:1.3rem;text-align:left}
  .bd-det-actions .bd-btn{flex:1 1 auto;justify-content:center}
}

/* ---------- 免费全文（详情页） ---------- */
.bd-det-hint{margin:10px 0 0;font-size:.78rem;color:var(--bd-text-3);display:flex;align-items:center;gap:6px}
.bd-det-hint i{color:var(--bd-brand)}
.bd-free{border-color:color-mix(in srgb,var(--bd-brand) 30%,var(--bd-line));background:linear-gradient(180deg,color-mix(in srgb,var(--bd-brand-soft) 55%,var(--bd-surface)),var(--bd-surface) 70%)}
.bd-free-title{display:flex;align-items:center;gap:9px;margin:0 0 8px;font-size:1.02rem;font-weight:600;color:var(--bd-text)}
.bd-free-title i{color:var(--bd-brand)}
.bd-free-desc{margin:0;font-size:.87rem;line-height:1.75;color:var(--bd-text-2)}
.bd-free-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:14px}
.bd-free-note{margin:12px 0 0;font-size:.76rem;line-height:1.7;color:var(--bd-text-3)}
.bd-free-note i{color:var(--bd-brand);margin-right:5px}

/* ---------- 阅读页 ---------- */
body.page-read main.bd-main{padding:6px 0 40px}
.bd-read-head{text-align:center;padding:18px 6px 20px}
.bd-read-title{margin:0;font-size:1.5rem;font-weight:700;line-height:1.45;color:var(--bd-text)}
.bd-read-sub{margin:8px 0 0;font-size:.82rem;color:var(--bd-text-3)}
.bd-read-sub .bd-sep{margin:0 7px;opacity:.6}
.bd-read-tools{display:flex;flex-wrap:wrap;justify-content:center;gap:8px;margin-top:16px}
.bd-read-body{
  padding:34px 40px;font-family:"Songti SC","STSong","SimSun","Noto Serif CJK SC",serif;
  font-size:1.02rem;line-height:2;color:var(--bd-text);word-break:break-word;
}
.bd-read-body p{margin:0 0 .9em}
.bd-read-body h1,.bd-read-body h2,.bd-read-body h3,.bd-read-body h4{font-family:inherit;line-height:1.5;margin:1.4em 0 .7em;color:var(--bd-text)}
.bd-read-body h1{font-size:1.35rem}
.bd-read-body h2{font-size:1.2rem}
.bd-read-body h3{font-size:1.08rem}
.bd-read-body a{color:var(--bd-brand);text-decoration:none}
.bd-read-body a:hover{text-decoration:underline}
.bd-read-body table{width:100%;border-collapse:collapse;margin:1em 0;font-size:.9rem}
.bd-read-body td,.bd-read-body th{border:1px solid var(--bd-line);padding:6px 9px;text-align:left;vertical-align:top}
.bd-read-body blockquote{margin:1em 0;padding:8px 16px;border-left:3px solid var(--bd-brand);background:var(--bd-surface-2);color:var(--bd-text-2)}
.bd-read-body pre{overflow-x:auto;padding:12px;background:var(--bd-surface-2);border-radius:8px;font-size:.85rem}
.bd-read-body img{max-width:100%;height:auto}
.bd-read-note{margin:16px 4px 0;font-size:.76rem;line-height:1.8;color:var(--bd-text-3)}
.bd-read-note i{color:var(--bd-brand);margin-right:5px}
@media(max-width:760px){
  .bd-read-body{padding:20px 16px;font-size:.98rem;line-height:1.85}
  .bd-read-head{padding:12px 2px 14px}
  .bd-read-title{font-size:1.24rem}
}
@media print{
  @page{margin:16mm 14mm}
  html,body{background:#fff!important;color:#000!important}
  header,.mobile-search-bar,.search-nav-wrap,footer,.bd-crumbs,.bd-read-tools,.bd-read-note,.bd-read-sub,.xgorb-logo-widget{display:none!important}
  body.page-read main.bd-main{padding:0}
  .bd-wrap{max-width:none;padding:0}
  .bd-read-head{text-align:left;padding:0 0 6mm}
  .bd-read-title{font-size:20pt;color:#000}
  .bd-read-body{box-shadow:none;border:0;padding:0;font-size:12pt;line-height:1.9;color:#000;background:#fff}
  .bd-read-body a{color:#000;text-decoration:underline}
  .bd-read-body table{font-size:10pt}
}