@import url('https://fonts.googleapis.cn/css2?family=Noto+Serif+SC:wght@400;600;900&family=Noto+Sans+SC:wght@400;500;700&display=swap');

/* ============================================================
   纸间漫游 · 设计系统
   意象：深夜独立书店 / 纸张与墨 / 藏书票 / 索引卡片柜
   ============================================================ */

:root {
  --paper: #F7F3EC;        /* 纸白 · 页面底色 */
  --paper-warm: #FFFDF8;   /* 暖白 · 卡片 */
  --ink: #23201A;          /* 墨 · 正文标题 */
  --ink-soft: #8A7F6E;     /* 褐灰 · 次要文字 */
  --line: #E4DCCB;         /* 暖褐 · 边框 */
  --cinnabar: #A63A2B;     /* 朱砂 · 印章/主行动 */
  --cinnabar-dark: #8C2F22;
  --pine: #3E5641;         /* 松烟绿 · 点缀 */
  --dark: #1C1915;         /* 暗部 · 后台/页脚 */
  --serif: 'Noto Serif SC', 'Songti SC', 'SimSun', serif;
  --sans: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --radius: 8px;
  --shadow: 0 1px 2px rgba(35, 32, 26, .06);
  --shadow-hover: 0 8px 24px rgba(35, 32, 26, .12);
  --ease: cubic-bezier(.4, 0, .2, 1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { font-size: 15px; }

body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  /* 纸面细纹 */
  background-image:
    radial-gradient(rgba(35,32,26,.018) 1px, transparent 1px);
  background-size: 22px 22px;
}

a { color: inherit; text-decoration: none; transition: color .2s var(--ease); }
img { max-width: 100%; display: block; }
button, input, select, textarea { font-family: inherit; font-size: inherit; color: inherit; }

::selection { background: rgba(166, 58, 43, .18); }

.container { max-width: 1180px; margin: 0 auto; padding: 0 24px; }

h1, h2, h3, .serif { font-family: var(--serif); }

/* ============ 通用小组件 ============ */

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  padding: 9px 20px; border-radius: 6px; border: 1px solid transparent;
  font-size: 13px; letter-spacing: .12em; cursor: pointer;
  transition: all .2s var(--ease); white-space: nowrap;
}
.btn-primary { background: var(--cinnabar); color: #FFFDF8; }
.btn-primary:hover { background: var(--cinnabar-dark); transform: translateY(-1px); }
.btn-outline { background: transparent; border-color: var(--ink); color: var(--ink); }
.btn-outline:hover { background: var(--ink); color: var(--paper-warm); }
.btn-ghost { border-color: var(--line); color: var(--ink-soft); background: var(--paper-warm); }
.btn-ghost:hover { border-color: var(--ink-soft); color: var(--ink); }
.btn-sm { padding: 5px 12px; font-size: 12px; }
.btn-danger { background: transparent; border-color: var(--cinnabar); color: var(--cinnabar); }
.btn-danger:hover { background: var(--cinnabar); color: #fff; }
.btn[disabled] { opacity: .5; pointer-events: none; }

/* 印章标签：朱砂底白字、微旋转 */
.seal {
  display: inline-block; padding: 2px 8px; border-radius: 3px;
  background: var(--cinnabar); color: #FFFDF8;
  font-family: var(--serif); font-size: 11px; letter-spacing: .15em;
  transform: rotate(-2.5deg);
  box-shadow: 0 1px 2px rgba(140, 47, 34, .3);
}
.seal-pine { background: var(--pine); transform: rotate(1.5deg); }

/* 描边小标签（格式徽标） */
.tag-badge {
  display: inline-block; padding: 1px 7px; border: 1px solid var(--line);
  border-radius: 4px; font-size: 11px; color: var(--ink-soft);
  letter-spacing: .08em; background: var(--paper-warm);
}

/* 区块标题：编号 + 竖线 */
.section-head { display: flex; align-items: baseline; gap: 14px; margin: 56px 0 24px; }
.section-head .no {
  font-family: Georgia, serif; font-style: italic; font-size: 13px;
  color: var(--cinnabar); letter-spacing: .05em;
}
.section-head h2 { font-size: 26px; font-weight: 600; position: relative; padding-left: 14px; }
.section-head h2::before {
  content: ''; position: absolute; left: 0; top: 6px; bottom: 6px;
  width: 3px; background: var(--cinnabar);
}
.section-head .more { margin-left: auto; font-size: 13px; color: var(--ink-soft); letter-spacing: .1em; }
.section-head .more:hover { color: var(--cinnabar); }

/* ============ 顶部导航 ============ */

.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(247, 243, 236, .92); backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.site-header .inner { display: flex; align-items: center; gap: 32px; height: 64px; }
.logo { display: flex; align-items: center; gap: 10px; }
.logo .seal-box {
  width: 34px; height: 34px; border-radius: 5px; background: var(--cinnabar);
  color: #FFFDF8; display: grid; place-items: center;
  font-family: var(--serif); font-weight: 900; font-size: 18px;
  transform: rotate(-3deg); box-shadow: 0 2px 4px rgba(140,47,34,.28);
}
.logo .name { font-family: var(--serif); font-weight: 600; font-size: 19px; letter-spacing: .06em; }
.logo .sub { font-size: 10px; color: var(--ink-soft); letter-spacing: .28em; margin-top: -2px; }
.main-nav { display: flex; gap: 26px; margin-left: 8px; }
.main-nav a { font-size: 14px; color: var(--ink-soft); letter-spacing: .1em; position: relative; padding: 4px 0; }
.main-nav a:hover, .main-nav a.active { color: var(--ink); }
.main-nav a.active::after {
  content: ''; position: absolute; left: 0; right: 0; bottom: -2px;
  height: 2px; background: var(--cinnabar);
}
.header-search { margin-left: auto; display: flex; align-items: center; }
.header-search form { display: flex; align-items: center; border: 1px solid var(--line); border-radius: 6px; background: var(--paper-warm); overflow: hidden; }
.header-search input {
  border: 0; outline: 0; background: transparent; padding: 7px 12px;
  width: 180px; font-size: 13px;
}
.header-search button { border: 0; background: transparent; padding: 7px 12px; cursor: pointer; color: var(--ink-soft); }
.header-search button:hover { color: var(--cinnabar); }
.header-admin { font-size: 12px; color: var(--ink-soft); letter-spacing: .1em; border: 1px solid var(--line); border-radius: 6px; padding: 6px 14px; margin-left: 14px; }
.header-admin:hover { color: var(--cinnabar); border-color: var(--cinnabar); }

/* ============ 首页 Hero ============ */

.hero { padding: 84px 0 56px; text-align: center; position: relative; }
.hero .kicker { font-size: 12px; letter-spacing: .5em; color: var(--ink-soft); margin-bottom: 18px; }
.hero h1 { font-size: 52px; font-weight: 900; letter-spacing: .08em; line-height: 1.3; }
.hero h1 .accent { color: var(--cinnabar); }
.hero .desc { margin: 18px auto 34px; max-width: 560px; color: var(--ink-soft); font-size: 14.5px; }
.hero-search { display: flex; max-width: 560px; margin: 0 auto; border: 1px solid var(--line); border-radius: 8px; overflow: hidden; background: var(--paper-warm); box-shadow: var(--shadow); }
.hero-search input { flex: 1; border: 0; outline: 0; background: transparent; padding: 15px 20px; font-size: 15px; }
.hero-search button { border: 0; background: var(--ink); color: var(--paper-warm); padding: 0 30px; font-size: 14px; letter-spacing: .2em; cursor: pointer; transition: background .2s var(--ease); }
.hero-search button:hover { background: var(--cinnabar); }
.hero-stats { margin-top: 40px; display: flex; justify-content: center; gap: 48px; }
.hero-stats .item { text-align: center; }
.hero-stats .num { font-family: Georgia, serif; font-size: 28px; font-weight: 600; color: var(--ink); }
.hero-stats .lbl { font-size: 12px; color: var(--ink-soft); letter-spacing: .2em; }

/* ============ 书籍卡片网格 ============ */

.book-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 22px;
}
.book-card {
  background: var(--paper-warm); border: 1px solid var(--line); border-radius: var(--radius);
  overflow: hidden; transition: all .22s var(--ease); display: flex; flex-direction: column;
}
.book-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-hover); border-color: #D8CDB6; }
.book-card .info { padding: 14px 14px 16px; flex: 1; display: flex; flex-direction: column; gap: 6px; }
.book-card .title { font-family: var(--serif); font-weight: 600; font-size: 15.5px; line-height: 1.4; }
.book-card .title a:hover { color: var(--cinnabar); }
.book-card .author { font-size: 12.5px; color: var(--ink-soft); }
.book-card .meta { margin-top: auto; display: flex; align-items: center; gap: 8px; padding-top: 8px; }
.book-card .cat { font-size: 11.5px; color: var(--pine); }

/* 书封（无图文字版） */
.cover { position: relative; aspect-ratio: 3/4; background: var(--paper-warm); overflow: hidden; }
.cover img { width: 100%; height: 100%; object-fit: cover; }
.cover-text { display: flex; }
.cover-spine { width: 12px; background: linear-gradient(180deg, var(--spine), var(--spine-dark)); flex-shrink: 0; }
.cover-inner {
  flex: 1; display: flex; flex-direction: column; justify-content: center; align-items: center;
  gap: 10px; padding: 18px 12px; text-align: center;
  background:
    linear-gradient(135deg, rgba(35,32,26,.03) 0%, transparent 60%);
}
.cover-title { font-family: var(--serif); font-weight: 900; font-size: 19px; letter-spacing: .12em; line-height: 1.5; }
.cover-author { font-size: 12px; color: var(--ink-soft); }
.cover-cat { font-size: 10.5px; color: var(--pine); border: 1px solid var(--line); padding: 1px 8px; border-radius: 3px; letter-spacing: .15em; }

/* ============ 热门榜 ============ */

.rank-list { display: flex; flex-direction: column; }
.rank-item {
  display: flex; align-items: center; gap: 18px; padding: 16px 18px;
  background: var(--paper-warm); border: 1px solid var(--line); border-radius: var(--radius);
  margin-bottom: 12px; transition: all .2s var(--ease);
}
.rank-item:hover { transform: translateY(-2px); box-shadow: var(--shadow-hover); }
.rank-no {
  font-family: Georgia, serif; font-size: 34px; font-weight: 600; font-style: italic;
  color: #CFC4AC; width: 48px; text-align: center; flex-shrink: 0; line-height: 1;
}
.rank-item:nth-child(1) .rank-no,
.rank-item:nth-child(2) .rank-no,
.rank-item:nth-child(3) .rank-no { color: var(--cinnabar); }
.rank-item .cover { width: 56px; border-radius: 4px; border: 1px solid var(--line); flex-shrink: 0; }
.rank-item .cover-title { font-size: 9px; letter-spacing: .04em; }
.rank-item .cover-author, .rank-item .cover-cat { display: none; }
.rank-item .cover-spine { width: 5px; }
.rank-item .body { flex: 1; min-width: 0; }
.rank-item .title { font-family: var(--serif); font-weight: 600; font-size: 16px; }
.rank-item .title a:hover { color: var(--cinnabar); }
.rank-item .sub { font-size: 12.5px; color: var(--ink-soft); margin-top: 2px; }
.rank-item .stat { text-align: right; flex-shrink: 0; }
.rank-item .stat .v { font-family: Georgia, serif; font-size: 17px; color: var(--ink); }
.rank-item .stat .k { font-size: 11px; color: var(--ink-soft); letter-spacing: .15em; }

/* ============ 书单卡片 ============ */

.booklist-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 22px; }
.booklist-card {
  background: var(--paper-warm); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 22px; transition: all .22s var(--ease); position: relative; display: block;
}
.booklist-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-hover); }
.booklist-card .bl-head { display: flex; align-items: center; gap: 10px; margin-bottom: 6px; }
.booklist-card h3 { font-size: 18px; font-weight: 600; flex: 1; }
.booklist-card:hover h3 { color: var(--cinnabar); }
.booklist-card .count { font-size: 12px; color: var(--ink-soft); letter-spacing: .1em; }
.booklist-card .desc { font-size: 13px; color: var(--ink-soft); line-height: 1.7; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.booklist-card .covers { display: flex; gap: 8px; margin-top: 16px; }
.booklist-card .covers .cover { width: 46px; border-radius: 3px; border: 1px solid var(--line); }
.booklist-card .covers .cover-title { font-size: 8px; }
.booklist-card .covers .cover-author, .booklist-card .covers .cover-cat { display: none; }
.booklist-card .covers .cover-spine { width: 4px; }

/* ============ 页脚 ============ */

.site-footer { margin-top: 90px; background: var(--dark); color: #B9AE99; }
.site-footer .inner { padding: 48px 24px 32px; }
.site-footer .fgrid { display: flex; gap: 60px; flex-wrap: wrap; }
.site-footer .fname { font-family: var(--serif); font-size: 20px; color: var(--paper); letter-spacing: .1em; }
.site-footer .fdesc { font-size: 12.5px; margin-top: 10px; max-width: 320px; line-height: 1.8; color: #8A7F6E; }
.site-footer h4 { font-size: 12px; letter-spacing: .3em; color: #6E6353; margin-bottom: 14px; font-weight: 500; }
.site-footer .flinks a { display: block; font-size: 13px; padding: 4px 0; color: #B9AE99; }
.site-footer .flinks a:hover { color: var(--paper); }
.site-footer .bottom {
  margin-top: 36px; padding-top: 20px; border-top: 1px solid #2E2820;
  font-size: 11.5px; color: #6E6353; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px;
}

/* ============ 书库页 ============ */

.page-head { padding: 48px 0 8px; }
.page-head h1 { font-size: 36px; font-weight: 900; letter-spacing: .06em; }
.page-head .sub { color: var(--ink-soft); font-size: 13.5px; margin-top: 8px; }

.filter-bar {
  display: flex; align-items: center; gap: 14px; flex-wrap: wrap;
  padding: 16px 0; margin: 20px 0 28px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
}
.filter-bar .cats { display: flex; gap: 8px; flex-wrap: wrap; }
.cat-chip {
  padding: 5px 14px; border: 1px solid var(--line); border-radius: 999px;
  font-size: 12.5px; color: var(--ink-soft); background: var(--paper-warm);
  transition: all .18s var(--ease); letter-spacing: .05em;
}
.cat-chip:hover { border-color: var(--cinnabar); color: var(--cinnabar); }
.cat-chip.active { background: var(--ink); border-color: var(--ink); color: var(--paper-warm); }
.filter-bar .sorts { margin-left: auto; display: flex; gap: 4px; }
.sort-link { font-size: 12.5px; color: var(--ink-soft); padding: 5px 10px; border-radius: 5px; }
.sort-link:hover { color: var(--ink); }
.sort-link.active { color: var(--cinnabar); font-weight: 500; background: rgba(166,58,43,.08); }

.result-note { font-size: 13px; color: var(--ink-soft); margin-bottom: 18px; letter-spacing: .05em; }
.result-note b { color: var(--cinnabar); font-family: Georgia, serif; }

.empty {
  text-align: center; padding: 80px 0; color: var(--ink-soft);
}
.empty .glyph { font-family: var(--serif); font-size: 42px; color: var(--line); margin-bottom: 14px; }

/* 分页 */
.pagination { display: flex; justify-content: center; gap: 8px; margin: 44px 0 10px; }
.pagination a, .pagination span.cur {
  min-width: 36px; height: 36px; display: inline-flex; align-items: center; justify-content: center;
  border: 1px solid var(--line); border-radius: 6px; font-size: 13px;
  background: var(--paper-warm); color: var(--ink-soft); padding: 0 10px;
}
.pagination a:hover { border-color: var(--cinnabar); color: var(--cinnabar); }
.pagination span.cur { background: var(--ink); border-color: var(--ink); color: var(--paper-warm); }
.pagination span.dots { border: 0; background: transparent; }

/* ============ 书籍详情页 ============ */

.detail-wrap { display: grid; grid-template-columns: 300px 1fr; gap: 48px; padding: 48px 0 20px; }
.detail-cover { position: sticky; top: 90px; }
.detail-cover .cover { border-radius: var(--radius); border: 1px solid var(--line); box-shadow: var(--shadow-hover); }
.detail-cover .cover-title { font-size: 26px; }

.detail-body .crumb { font-size: 12.5px; color: var(--ink-soft); margin-bottom: 14px; letter-spacing: .05em; }
.detail-body .crumb a:hover { color: var(--cinnabar); }
.detail-body h1 { font-size: 38px; font-weight: 900; letter-spacing: .04em; line-height: 1.35; }
.detail-body .author-line { margin-top: 10px; font-size: 15px; color: var(--ink-soft); }
.detail-body .author-line b { color: var(--ink); font-weight: 500; }

.detail-stats { display: flex; gap: 36px; margin: 26px 0; padding: 18px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.detail-stats .num { font-family: Georgia, serif; font-size: 24px; }
.detail-stats .lbl { font-size: 11.5px; color: var(--ink-soft); letter-spacing: .2em; }

.meta-table { width: 100%; border-collapse: collapse; margin: 8px 0 26px; }
.meta-table th, .meta-table td { padding: 10px 0; font-size: 13.5px; border-bottom: 1px dashed var(--line); text-align: left; vertical-align: top; }
.meta-table th { width: 92px; color: var(--ink-soft); font-weight: 400; letter-spacing: .1em; }

.detail-body .desc-block { margin: 26px 0; }
.detail-body .desc-block h3 { font-size: 15px; letter-spacing: .3em; color: var(--ink-soft); margin-bottom: 12px; font-weight: 500; }
.detail-body .desc-block p { font-size: 14.5px; line-height: 2; }

.tags-row { display: flex; gap: 8px; flex-wrap: wrap; }

/* 网盘资源卡片 */
.pan-card {
  margin: 30px 0; border: 1px solid var(--line); border-radius: var(--radius);
  background: var(--paper-warm); overflow: hidden;
}
.pan-card .pan-head {
  display: flex; align-items: center; gap: 10px; padding: 14px 20px;
  background: rgba(62, 86, 65, .06); border-bottom: 1px solid var(--line);
}
.pan-card .pan-head .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--pine); }
.pan-card .pan-head h3 { font-size: 15px; font-weight: 600; letter-spacing: .05em; }
.pan-card .pan-body { padding: 20px; display: flex; flex-wrap: wrap; gap: 18px; align-items: center; }
.pan-field { display: flex; align-items: center; gap: 10px; }
.pan-field .k { font-size: 12px; color: var(--ink-soft); letter-spacing: .15em; }
.pan-field .v { font-family: Georgia, serif; font-size: 15px; background: var(--paper); border: 1px solid var(--line); padding: 6px 12px; border-radius: 5px; }
.pan-actions { margin-left: auto; display: flex; gap: 10px; }
.copy-btn.copied { background: var(--pine); border-color: var(--pine); color: #fff; }

.in-lists { margin-top: 26px; }
.in-lists .li { padding: 10px 0; border-bottom: 1px dashed var(--line); font-size: 13.5px; display: flex; gap: 10px; align-items: center; }
.in-lists .li::before { content: '—'; color: var(--cinnabar); }
.in-lists .li a:hover { color: var(--cinnabar); }

/* ============ 书单详情 ============ */

.bl-items { margin-top: 8px; }
.bl-item {
  display: flex; gap: 20px; padding: 20px; margin-bottom: 14px;
  background: var(--paper-warm); border: 1px solid var(--line); border-radius: var(--radius);
  transition: all .2s var(--ease);
}
.bl-item:hover { box-shadow: var(--shadow-hover); }
.bl-item .idx { font-family: Georgia, serif; font-style: italic; font-size: 24px; color: #CFC4AC; width: 40px; flex-shrink: 0; text-align: center; padding-top: 6px; }
.bl-item:nth-child(-n+3) .idx { color: var(--cinnabar); }
.bl-item .cover { width: 72px; border-radius: 4px; border: 1px solid var(--line); flex-shrink: 0; }
.bl-item .cover-title { font-size: 10px; }
.bl-item .cover-author, .bl-item .cover-cat { display: none; }
.bl-item .cover-spine { width: 6px; }
.bl-item .body { flex: 1; min-width: 0; }
.bl-item .body .title { font-family: var(--serif); font-size: 17px; font-weight: 600; }
.bl-item .body .title a:hover { color: var(--cinnabar); }
.bl-item .body .sub { font-size: 12.5px; color: var(--ink-soft); margin: 3px 0 8px; }
.bl-item .note {
  font-size: 13px; color: var(--ink); background: var(--paper);
  border-left: 3px solid var(--cinnabar); padding: 8px 14px; border-radius: 0 5px 5px 0;
  line-height: 1.7;
}
.bl-item .note .who { color: var(--ink-soft); font-size: 11.5px; letter-spacing: .1em; margin-right: 6px; }

/* ============ 后台布局 ============ */

body.admin-body { background: var(--paper); background-image: none; }
.admin-shell { display: grid; grid-template-columns: 216px 1fr; min-height: 100vh; }

.admin-sidebar { background: var(--dark); color: #B9AE99; padding: 26px 0; position: sticky; top: 0; height: 100vh; display: flex; flex-direction: column; }
.admin-sidebar .brand { padding: 0 22px 22px; border-bottom: 1px solid #2E2820; display: flex; align-items: center; gap: 10px; }
.admin-sidebar .brand .name { font-family: var(--serif); color: var(--paper); font-size: 16px; letter-spacing: .08em; }
.admin-sidebar .brand .sub { font-size: 10px; color: #6E6353; letter-spacing: .25em; }
.admin-nav { padding: 18px 12px; flex: 1; }
.admin-nav .grp { font-size: 10.5px; letter-spacing: .3em; color: #5C5344; padding: 16px 12px 8px; }
.admin-nav a {
  display: flex; align-items: center; gap: 10px; padding: 9px 12px; margin: 2px 0;
  border-radius: 6px; font-size: 13.5px; color: #B9AE99; letter-spacing: .05em;
  transition: all .18s var(--ease);
}
.admin-nav a:hover { background: #26211B; color: var(--paper); }
.admin-nav a.active { background: var(--cinnabar); color: #FFFDF8; }
.admin-sidebar .foot { padding: 16px 22px; border-top: 1px solid #2E2820; font-size: 12px; color: #6E6353; }
.admin-sidebar .foot a { color: #B9AE99; }
.admin-sidebar .foot a:hover { color: var(--paper); }

.admin-main { padding: 32px 36px 60px; min-width: 0; }
.admin-topbar { display: flex; align-items: center; margin-bottom: 26px; }
.admin-topbar h1 { font-size: 24px; font-weight: 600; letter-spacing: .04em; }
.admin-topbar .actions { margin-left: auto; display: flex; gap: 10px; align-items: center; }

.panel { background: var(--paper-warm); border: 1px solid var(--line); border-radius: var(--radius); }
.panel-pad { padding: 22px; }
.panel-head { padding: 16px 22px; border-bottom: 1px solid var(--line); display: flex; align-items: center; gap: 14px; }
.panel-head h3 { font-size: 15px; font-weight: 600; }
.panel-head .extra { margin-left: auto; }

/* 统计卡片 */
.stat-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(170px, 1fr)); gap: 16px; margin-bottom: 26px; }
.stat-card { background: var(--paper-warm); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px 20px; }
.stat-card .num { font-family: Georgia, serif; font-size: 30px; color: var(--ink); }
.stat-card .num.red { color: var(--cinnabar); }
.stat-card .lbl { font-size: 12px; color: var(--ink-soft); letter-spacing: .15em; margin-top: 2px; }

/* 表格 */
.table { width: 100%; border-collapse: collapse; }
.table th {
  text-align: left; font-size: 11.5px; color: var(--ink-soft); font-weight: 500;
  letter-spacing: .15em; padding: 12px 16px; border-bottom: 1px solid var(--line);
  background: rgba(247,243,236,.6); white-space: nowrap;
}
.table td { padding: 13px 16px; font-size: 13.5px; border-bottom: 1px solid var(--line); vertical-align: middle; }
.table tr:last-child td { border-bottom: 0; }
.table tr:hover td { background: rgba(247,243,236,.5); }
.table .t-title { font-family: var(--serif); font-weight: 600; font-size: 14px; }
.table .t-sub { font-size: 11.5px; color: var(--ink-soft); }
.table .ops { white-space: nowrap; text-align: right; }
.table .ops a, .table .ops button { font-size: 12px; margin-left: 10px; }
.link { color: var(--pine); background: none; border: 0; cursor: pointer; padding: 0; }
.link:hover { text-decoration: underline; }
.link.danger { color: var(--cinnabar); }

.status-dot { display: inline-flex; align-items: center; gap: 6px; font-size: 12px; }
.status-dot::before { content: ''; width: 7px; height: 7px; border-radius: 50%; }
.status-dot.ok { color: var(--pine); } .status-dot.ok::before { background: var(--pine); }
.status-dot.draft { color: var(--ink-soft); } .status-dot.draft::before { background: #C4B898; }

/* 表单 */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px 22px; }
.form-grid .full { grid-column: 1 / -1; }
.field label { display: block; font-size: 12px; color: var(--ink-soft); letter-spacing: .12em; margin-bottom: 7px; }
.field label .req { color: var(--cinnabar); margin-left: 2px; }
.field input[type=text], .field input[type=password], .field input[type=number], .field input[type=url], .field select, .field textarea {
  width: 100%; border: 1px solid var(--line); border-radius: 6px; background: var(--paper-warm);
  padding: 9px 13px; font-size: 13.5px; outline: none; transition: border-color .18s var(--ease), box-shadow .18s var(--ease);
}
.field input:focus, .field select:focus, .field textarea:focus {
  border-color: var(--cinnabar); box-shadow: 0 0 0 3px rgba(166,58,43,.08);
}
.field textarea { resize: vertical; min-height: 96px; line-height: 1.7; }
.field .hint { font-size: 11.5px; color: var(--ink-soft); margin-top: 5px; }
.check-line { display: flex; align-items: center; gap: 8px; font-size: 13.5px; cursor: pointer; user-select: none; }
.check-line input { width: 15px; height: 15px; accent-color: var(--cinnabar); }

/* Flash 提示 */
.flash { padding: 12px 18px; border-radius: 6px; font-size: 13.5px; margin-bottom: 20px; border: 1px solid; }
.flash.success { background: rgba(62,86,65,.08); border-color: rgba(62,86,65,.3); color: var(--pine); }
.flash.error { background: rgba(166,58,43,.07); border-color: rgba(166,58,43,.3); color: var(--cinnabar); }

/* 后台筛选条 */
.admin-filter { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; margin-bottom: 18px; }
.admin-filter input, .admin-filter select {
  border: 1px solid var(--line); border-radius: 6px; background: var(--paper-warm);
  padding: 8px 12px; font-size: 13px; outline: none;
}
.admin-filter input:focus, .admin-filter select:focus { border-color: var(--cinnabar); }

/* 登录页 */
.login-wrap { min-height: 100vh; display: grid; place-items: center; padding: 24px; }
.login-card {
  width: 380px; background: var(--paper-warm); border: 1px solid var(--line);
  border-radius: 10px; padding: 40px 36px 36px; box-shadow: var(--shadow-hover); text-align: center;
}
.login-card .seal-box {
  width: 52px; height: 52px; border-radius: 8px; background: var(--cinnabar); color: #FFFDF8;
  display: grid; place-items: center; font-family: var(--serif); font-weight: 900; font-size: 26px;
  margin: 0 auto 18px; transform: rotate(-3deg); box-shadow: 0 3px 8px rgba(140,47,34,.3);
}
.login-card h1 { font-size: 22px; letter-spacing: .15em; margin-bottom: 4px; }
.login-card .sub { font-size: 12px; color: var(--ink-soft); letter-spacing: .2em; margin-bottom: 28px; }
.login-card .field { text-align: left; margin-bottom: 16px; }
.login-card .btn { width: 100%; padding: 11px; margin-top: 6px; }
.login-card .back { display: inline-block; margin-top: 22px; font-size: 12px; color: var(--ink-soft); letter-spacing: .1em; }
.login-card .back:hover { color: var(--cinnabar); }
.login-err { background: rgba(166,58,43,.07); border: 1px solid rgba(166,58,43,.3); color: var(--cinnabar); border-radius: 6px; padding: 10px; font-size: 13px; margin-bottom: 16px; text-align: left; }

/* 书单编辑器 */
.bl-edit-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 26px; align-items: start; }
.picker-list { max-height: 420px; overflow: auto; border: 1px solid var(--line); border-radius: 6px; }
.picker-item { display: flex; align-items: center; gap: 10px; padding: 10px 14px; border-bottom: 1px solid var(--line); font-size: 13px; }
.picker-item:last-child { border-bottom: 0; }
.picker-item:hover { background: rgba(247,243,236,.6); }
.picker-item .p-title { font-weight: 500; }
.picker-item .p-sub { font-size: 11.5px; color: var(--ink-soft); }
.picker-item .btn { margin-left: auto; }
.chosen-list { display: flex; flex-direction: column; gap: 10px; }
.chosen-item { border: 1px solid var(--line); border-radius: 6px; background: var(--paper); padding: 12px 14px; }
.chosen-item .c-head { display: flex; align-items: center; gap: 10px; }
.chosen-item .c-idx { font-family: Georgia, serif; font-style: italic; color: var(--cinnabar); width: 26px; }
.chosen-item .c-title { font-family: var(--serif); font-weight: 600; font-size: 14px; flex: 1; }
.chosen-item .c-ops button { background: none; border: 0; cursor: pointer; color: var(--ink-soft); font-size: 12px; padding: 2px 5px; }
.chosen-item .c-ops button:hover { color: var(--cinnabar); }
.chosen-item input.note-input {
  margin-top: 8px; width: 100%; border: 1px dashed var(--line); border-radius: 5px;
  background: transparent; padding: 7px 10px; font-size: 12.5px; outline: none;
}
.chosen-item input.note-input:focus { border-color: var(--cinnabar); }

/* ============ 响应式 ============ */

@media (max-width: 900px) {
  .detail-wrap { grid-template-columns: 1fr; gap: 28px; }
  .detail-cover { position: static; max-width: 260px; }
  .admin-shell { grid-template-columns: 1fr; }
  .admin-sidebar { position: static; height: auto; }
  .bl-edit-grid { grid-template-columns: 1fr; }
  .hero h1 { font-size: 34px; }
  .main-nav { display: none; }
  .form-grid { grid-template-columns: 1fr; }
  .hero-stats { gap: 28px; }
}

@media (max-width: 640px) {
  .book-grid { grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 14px; }
  .header-search input { width: 110px; }
  .detail-body h1 { font-size: 27px; }
  .admin-main { padding: 20px 16px 48px; }
  .pan-actions { margin-left: 0; width: 100%; }
}