/* ==========================================================================
   法海经藏 · 全站样式（site.css）
   设计：宣纸 / 墨 / 朱砂   —   2026
   ========================================================================== */

/* ---------- 变量 ---------- */
:root {
    --paper: #f6f2e9;
    --paper-2: #fffdf7;
    --paper-3: #efe8da;
    --ink: #23201b;
    --ink-2: #4a443a;
    --muted: #8b8172;
    --line: #e2d8c5;
    --line-2: #d3c6ad;
    --cinnabar: #a8342a;
    --cinnabar-soft: rgba(168, 52, 42, .08);
    --gold: #a98545;
    --shadow: 0 1px 2px rgba(60, 45, 25, .05), 0 12px 30px -18px rgba(60, 45, 25, .35);
    --radius: 10px;
    --radius-lg: 16px;
    --wrap: 1180px;
    --serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "STSong", "SimSun", Georgia, serif;
    --sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
    --read-size: 18px;
    --read-line: 2.05;
    --read-font: var(--serif);
}

html[data-theme="dark"] {
    --paper: #141312;
    --paper-2: #1b1917;
    --paper-3: #232019;
    --ink: #e6e0d4;
    --ink-2: #c2baab;
    --muted: #918776;
    --line: #302c25;
    --line-2: #3d382f;
    --cinnabar: #d4645a;
    --cinnabar-soft: rgba(212, 100, 90, .12);
    --gold: #c2a267;
    --shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 16px 36px -20px rgba(0, 0, 0, .8);
}

/* ---------- 基础 ---------- */
*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
    margin: 0;
    background: var(--paper);
    color: var(--ink);
    font-family: var(--sans);
    font-size: 15px;
    line-height: 1.75;
    -webkit-font-smoothing: antialiased;
}

body.no-scroll { overflow: hidden; }

a { color: inherit; text-decoration: none; }
a:hover { color: var(--cinnabar); }

img { max-width: 100%; display: block; }

button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }

input { font: inherit; }

.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 22px; }

.sr-only {
    position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
    overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

/* 纸张纹理 */
body::before {
    content: "";
    position: fixed; inset: 0;
    pointer-events: none; z-index: 0;
    opacity: .5;
    background-image:
        radial-gradient(circle at 12% 8%, rgba(168, 52, 42, .05), transparent 42%),
        radial-gradient(circle at 88% 92%, rgba(169, 133, 69, .07), transparent 46%);
}

/* ---------- 顶栏 ---------- */
.site-header {
    position: sticky; top: 0; z-index: 90;
    background: #f6f2e9;
    background: color-mix(in srgb, var(--paper) 88%, transparent);
    backdrop-filter: saturate(160%) blur(14px);
    -webkit-backdrop-filter: saturate(160%) blur(14px);
    border-bottom: 1px solid var(--line);
}

.head-inner {
    max-width: var(--wrap); margin: 0 auto; padding: 0 22px;
    height: 66px; display: flex; align-items: center; gap: 22px;
}

.brand { display: flex; align-items: center; gap: 11px; flex: 0 0 auto; }

.brand-seal {
    width: 38px; height: 38px; border-radius: 6px;
    background: var(--cinnabar); color: #fff;
    display: grid; place-items: center;
    font-family: var(--serif); font-size: 15px; font-weight: 700;
    letter-spacing: 0; line-height: 1.05; text-align: center;
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .22);
}

.brand-text { display: flex; flex-direction: column; line-height: 1.15; }
.brand-text b {
    font-family: var(--serif); font-size: 20px; letter-spacing: 3px; font-weight: 700; color: var(--ink);
}
.brand-text i {
    font-style: normal; font-size: 9px; letter-spacing: 1.6px;
    color: var(--muted); text-transform: uppercase; margin-top: 2px;
}

.main-nav { display: flex; align-items: center; gap: 2px; margin-left: 8px; flex: 1 1 auto; }
.main-nav a {
    padding: 7px 11px; border-radius: 7px; font-size: 14.5px; color: var(--ink-2);
    font-family: var(--serif); letter-spacing: 1px; white-space: nowrap;
    transition: background .18s, color .18s;
}
.main-nav a:hover { background: var(--paper-3); color: var(--cinnabar); text-decoration: none; }
.main-nav a.active { color: var(--cinnabar); background: var(--cinnabar-soft); }

.head-tools { display: flex; align-items: center; gap: 4px; flex: 0 0 auto; }

.icon-btn {
    width: 36px; height: 36px; border-radius: 8px; display: grid; place-items: center;
    color: var(--ink-2); font-size: 15px; transition: background .18s, color .18s;
}
.icon-btn:hover { background: var(--paper-3); color: var(--cinnabar); }

.nav-toggle { display: none; }

/* ---------- 搜索层 ---------- */
.search-layer {
    position: fixed; inset: 0; z-index: 200; display: none;
    background: rgba(20, 17, 14, .42);
    backdrop-filter: blur(3px);
}
.search-layer.open { display: block; }

.search-panel {
    max-width: 720px; margin: 84px auto 0; background: var(--paper-2);
    border-radius: var(--radius-lg); box-shadow: var(--shadow);
    border: 1px solid var(--line); overflow: hidden;
}
.search-field {
    display: flex; align-items: center; gap: 12px; padding: 16px 18px;
    border-bottom: 1px solid var(--line);
}
.search-field i { color: var(--muted); font-size: 17px; }
.search-field input {
    flex: 1; min-width: 0; border: 0; outline: 0; background: none; font-size: 17px; color: var(--ink);
}
.search-field kbd {
    font-family: var(--sans); font-size: 11px; color: var(--muted);
    border: 1px solid var(--line-2); border-radius: 5px; padding: 2px 6px;
}
.search-results { max-height: 58vh; overflow-y: auto; padding: 8px; }
.search-results a {
    display: flex; align-items: center; gap: 10px; padding: 10px 12px; border-radius: 8px;
}
.search-results a:hover, .search-results a.on { background: var(--paper-3); text-decoration: none; }
.search-results .sr-name { font-family: var(--serif); font-size: 15.5px; color: var(--ink); }
.search-results .sr-cat { margin-left: auto; font-size: 12px; color: var(--muted); white-space: nowrap; }
.search-empty { padding: 26px; text-align: center; color: var(--muted); font-size: 14px; }
.search-tip { padding: 10px 18px; font-size: 12.5px; color: var(--muted); border-top: 1px solid var(--line); }

/* ---------- 首页 Hero ---------- */
.hero {
    position: relative; overflow: hidden;
    border-bottom: 1px solid var(--line);
    background:
        radial-gradient(ellipse 70% 90% at 50% -20%, rgba(168, 52, 42, .10), transparent 60%),
        linear-gradient(180deg, var(--paper-2), var(--paper));
}
.hero::after {
    content: "藏";
    position: absolute; right: -30px; bottom: -110px;
    font-family: var(--serif); font-size: 400px; line-height: 1;
    color: var(--ink); opacity: .035; pointer-events: none; user-select: none;
}
.hero-inner { padding: 74px 0 60px; text-align: center; position: relative; z-index: 1; }
.hero-badge {
    display: inline-flex; align-items: center; gap: 8px;
    font-size: 12.5px; letter-spacing: 2px; color: var(--cinnabar);
    border: 1px solid color-mix(in srgb, var(--cinnabar) 32%, transparent);
    background: var(--cinnabar-soft);
    padding: 5px 14px; border-radius: 999px; margin-bottom: 22px;
}
.hero h1 {
    margin: 0; font-family: var(--serif); font-weight: 700;
    font-size: clamp(38px, 6vw, 62px); letter-spacing: 12px; text-indent: 12px;
    color: var(--ink);
}
.hero-sub {
    margin: 16px 0 0; color: var(--muted); font-family: var(--serif);
    font-size: clamp(13px, 1.6vw, 16px);
    display: flex; flex-wrap: wrap; justify-content: center; align-items: center;
}
.hero-sub span { white-space: nowrap; letter-spacing: 3px; }
.hero-sub span + span::before {
    content: "·"; margin: 0 12px; opacity: .6; letter-spacing: 0; font-family: var(--sans);
}
.hero-desc { max-width: 640px; margin: 18px auto 0; color: var(--ink-2); font-size: 14.5px; line-height: 1.9; }

.hero-search {
    max-width: 620px; margin: 34px auto 0; display: flex;
    background: var(--paper-2); border: 1px solid var(--line-2);
    border-radius: 999px; padding: 6px 6px 6px 20px;
    box-shadow: var(--shadow); align-items: center; gap: 10px;
    transition: border-color .2s, box-shadow .2s;
}
.hero-search:focus-within { border-color: var(--cinnabar); box-shadow: 0 0 0 4px var(--cinnabar-soft); }
.hero-search i { color: var(--muted); }
.hero-search input { flex: 1; min-width: 0; border: 0; outline: 0; background: none; font-size: 15.5px; color: var(--ink); }
.hero-search button {
    background: var(--cinnabar); color: #fff; border-radius: 999px;
    padding: 10px 24px; font-size: 14.5px; letter-spacing: 2px; transition: opacity .18s;
}
.hero-search button:hover { opacity: .9; }

.hero-stats {
    display: flex; flex-wrap: wrap; justify-content: center; gap: 14px 40px;
    list-style: none; margin: 36px 0 0; padding: 0;
}
.hero-stats li { display: flex; flex-direction: column; align-items: center; }
.hero-stats b { font-family: var(--serif); font-size: 26px; color: var(--ink); font-weight: 700; }
.hero-stats span { font-size: 12.5px; color: var(--muted); letter-spacing: 2px; margin-top: 2px; }

/* ---------- 区块标题 ---------- */
.section { padding: 54px 0; }
.section + .section { border-top: 1px solid var(--line); }
.section-head {
    display: flex; align-items: flex-end; justify-content: space-between;
    gap: 16px; margin-bottom: 26px; flex-wrap: wrap;
}
.section-head h2 {
    margin: 0; font-family: var(--serif); font-size: 24px; letter-spacing: 3px;
    display: flex; align-items: center; gap: 12px; font-weight: 700;
}
.section-head h2::before {
    content: ""; width: 4px; height: 22px; background: var(--cinnabar); border-radius: 2px;
}
.section-head p { margin: 6px 0 0; color: var(--muted); font-size: 13.5px; }
.section-more { font-size: 13.5px; color: var(--muted); }
.section-more:hover { color: var(--cinnabar); }

/* ---------- 八藏 ---------- */
.collection-grid {
    display: grid; gap: 14px;
    grid-template-columns: repeat(4, minmax(0, 1fr));
}
.cat-card {
    position: relative; padding: 22px 20px 18px; border-radius: var(--radius-lg);
    background: var(--paper-2); border: 1px solid var(--line);
    transition: transform .22s, box-shadow .22s, border-color .22s;
    overflow: hidden;
}
.cat-card:hover {
    transform: translateY(-3px); box-shadow: var(--shadow);
    border-color: var(--line-2); text-decoration: none;
}
.cat-card .cc-icon {
    width: 42px; height: 42px; border-radius: 11px; display: grid; place-items: center;
    background: var(--cinnabar-soft); color: var(--cinnabar); font-size: 18px; margin-bottom: 14px;
}
.cat-card h3 { margin: 0 0 6px; font-family: var(--serif); font-size: 19px; letter-spacing: 3px; font-weight: 700; color: var(--ink); }
.cat-card p { margin: 0; font-size: 12.5px; color: var(--muted); line-height: 1.65; min-height: 40px; }
.cat-card .cc-count {
    display: inline-block; margin-top: 12px; font-size: 12px; color: var(--cinnabar);
    border-top: 1px solid var(--line); padding-top: 10px; width: 100%;
}

/* ---------- 双栏 ---------- */
.two-col { display: grid; grid-template-columns: 1.35fr 1fr; gap: 40px; }

.plain-list { list-style: none; margin: 0; padding: 0; }
.plain-list li { border-bottom: 1px dashed var(--line); }
.plain-list li:last-child { border-bottom: 0; }
.plain-list a {
    display: flex; align-items: center; gap: 12px; padding: 12px 2px;
    font-size: 14.5px; color: var(--ink-2); transition: color .16s, padding .16s;
}
.plain-list a:hover { color: var(--cinnabar); padding-left: 6px; text-decoration: none; }
.plain-list .pl-title { font-family: var(--serif); font-size: 16px; color: var(--ink); }
.plain-list a:hover .pl-title { color: var(--cinnabar); }
.plain-list .pl-meta { margin-left: auto; font-size: 12px; color: var(--muted); white-space: nowrap; }
.plain-list .pl-num {
    width: 22px; text-align: center; font-family: var(--serif); font-size: 13px; color: var(--muted);
}

.empty-tip { padding: 26px 0; color: var(--muted); font-size: 13.5px; }

/* ---------- 特性 ---------- */
.feature-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.feature {
    padding: 22px; border-radius: var(--radius); background: var(--paper-2);
    border: 1px solid var(--line);
}
.feature i { color: var(--cinnabar); font-size: 18px; margin-bottom: 12px; display: block; }
.feature h3 { margin: 0 0 6px; font-size: 15px; font-family: var(--serif); letter-spacing: 1px; }
.feature p { margin: 0; font-size: 12.5px; color: var(--muted); line-height: 1.7; }

/* ---------- 面包屑 ---------- */
.crumbs {
    display: flex; flex-wrap: wrap; align-items: center; gap: 8px;
    font-size: 12.5px; color: var(--muted); padding: 22px 0 0;
}
.crumbs a { color: var(--muted); }
.crumbs a:hover { color: var(--cinnabar); }
.crumbs .sep { opacity: .5; }
.crumbs .cur { color: var(--ink-2); }

/* ---------- 列表页头 ---------- */
.list-hero { padding: 26px 0 30px; border-bottom: 1px solid var(--line); }
.list-hero h1 {
    margin: 12px 0 10px; font-family: var(--serif); font-size: clamp(28px, 4vw, 38px);
    letter-spacing: 6px; font-weight: 700;
}
.list-hero .lh-lead {
    max-width: 840px; color: var(--ink-2); font-size: 14px; line-height: 1.95; margin: 0;
}
.list-meta { display: flex; flex-wrap: wrap; gap: 10px 22px; margin-top: 16px; font-size: 12.5px; color: var(--muted); }
.list-meta b { color: var(--cinnabar); font-weight: 600; font-family: var(--serif); font-size: 15px; }

/* 子分类 */
.subcat-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(190px, 1fr)); gap: 12px; }
.subcat {
    display: flex; align-items: center; gap: 10px; padding: 14px 16px;
    border-radius: var(--radius); border: 1px solid var(--line); background: var(--paper-2);
    transition: border-color .18s, transform .18s, box-shadow .18s;
}
.subcat:hover { border-color: var(--line-2); transform: translateY(-2px); box-shadow: var(--shadow); text-decoration: none; }
.subcat i { color: var(--gold); font-size: 14px; }
.subcat .sc-name { font-family: var(--serif); font-size: 15.5px; color: var(--ink); }
.subcat .sc-n { margin-left: auto; font-size: 12px; color: var(--muted); }

/* ---------- 列表工具条 ---------- */
.list-tools {
    display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
    padding: 20px 0 18px; position: sticky; top: 66px; z-index: 30;
    background: linear-gradient(var(--paper) 78%, transparent);
}
.filter-input {
    display: flex; align-items: center; gap: 8px; flex: 1 1 240px; max-width: 340px;
    background: var(--paper-2); border: 1px solid var(--line-2); border-radius: 999px; padding: 7px 16px;
}
.filter-input i { color: var(--muted); font-size: 13px; }
.filter-input input { border: 0; outline: 0; background: none; width: 100%; min-width: 0; color: var(--ink); font-size: 14px; }

.seg { display: flex; border: 1px solid var(--line-2); border-radius: 999px; padding: 3px; background: var(--paper-2); }
.seg button { padding: 4px 14px; border-radius: 999px; font-size: 12.5px; color: var(--muted); }
.seg button.on { background: var(--ink); color: var(--paper); }

.list-count { font-size: 12.5px; color: var(--muted); margin-left: auto; }

/* ---------- 书卡 ---------- */
.book-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(228px, 1fr)); gap: 12px; }
.book-card {
    display: block; padding: 16px 18px; border-radius: var(--radius);
    background: var(--paper-2); border: 1px solid var(--line);
    transition: border-color .18s, transform .18s, box-shadow .18s;
    position: relative;
}
.book-card:hover { border-color: var(--line-2); transform: translateY(-2px); box-shadow: var(--shadow); text-decoration: none; }
.book-card h3 {
    margin: 0 0 6px; font-family: var(--serif); font-size: 16px; font-weight: 600;
    color: var(--ink); letter-spacing: .5px; line-height: 1.45;
    display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.book-card:hover h3 { color: var(--cinnabar); }
.book-card .bc-meta { margin: 0; font-size: 12px; color: var(--muted); }
.book-card .bc-kind {
    position: absolute; top: 14px; right: 14px; font-size: 10.5px; color: var(--gold);
    border: 1px solid var(--line-2); border-radius: 4px; padding: 0 5px; line-height: 17px;
}

.load-more {
    display: block; margin: 26px auto 0; padding: 11px 34px; border-radius: 999px;
    border: 1px solid var(--line-2); color: var(--ink-2); font-size: 13.5px; background: var(--paper-2);
    transition: background .18s, color .18s;
}
.load-more:hover { background: var(--ink); color: var(--paper); border-color: var(--ink); }

/* ---------- 书籍详情 ---------- */
.book-hero {
    padding: 26px 0 34px; border-bottom: 1px solid var(--line);
    background: linear-gradient(180deg, var(--paper-2), var(--paper));
}
.book-hero-grid { display: grid; grid-template-columns: minmax(0, 1fr) 240px; gap: 36px; align-items: start; }
.book-hero h1 {
    margin: 6px 0 12px; font-family: var(--serif); font-size: clamp(26px, 4vw, 38px);
    letter-spacing: 3px; font-weight: 700; line-height: 1.3;
}
.book-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 14px; }
.tag {
    font-size: 12px; padding: 3px 10px; border-radius: 999px;
    background: var(--paper-3); color: var(--ink-2); border: 1px solid var(--line);
}
.tag.red { background: var(--cinnabar-soft); color: var(--cinnabar); border-color: transparent; }
.book-intro { color: var(--ink-2); font-size: 14px; line-height: 1.95; margin: 0 0 20px; max-width: 780px; }

.book-actions { display: flex; flex-wrap: wrap; gap: 10px; }
.btn {
    display: inline-flex; align-items: center; gap: 8px; padding: 10px 20px; border-radius: 8px;
    font-size: 14px; border: 1px solid var(--line-2); background: var(--paper-2); color: var(--ink-2);
    transition: background .18s, color .18s, border-color .18s;
}
.btn:hover { background: var(--paper-3); text-decoration: none; }
.btn.primary { background: var(--cinnabar); border-color: var(--cinnabar); color: #fff; }
.btn.primary:hover { opacity: .92; color: #fff; }
.btn.on { background: var(--ink); border-color: var(--ink); color: var(--paper); }

.book-side {
    background: var(--paper-2); border: 1px solid var(--line); border-radius: var(--radius-lg);
    padding: 18px; font-size: 13px;
}
.book-side h3 { margin: 0 0 12px; font-size: 12.5px; letter-spacing: 2px; color: var(--muted); font-weight: 500; }
.book-side dl { margin: 0; display: grid; grid-template-columns: auto 1fr; gap: 8px 12px; }
.book-side dt { color: var(--muted); }
.book-side dd { margin: 0; color: var(--ink-2); }

/* 目录 */
.toc-block { padding: 34px 0; }
.toc-head {
    display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 16px;
}
.toc-head h2 { margin: 0; font-family: var(--serif); font-size: 21px; letter-spacing: 3px; }
.toc-list { list-style: none; margin: 0; padding: 0; columns: 2; column-gap: 30px; }
.toc-list li { break-inside: avoid; border-bottom: 1px dashed var(--line); }
.toc-list a { display: flex; align-items: center; gap: 10px; padding: 10px 2px; font-size: 14px; color: var(--ink-2); }
.toc-list a:hover { color: var(--cinnabar); text-decoration: none; }
.toc-list .ti { font-family: var(--serif); font-size: 12px; color: var(--muted); min-width: 26px; }
.toc-list .tt { font-family: var(--serif); font-size: 15px; }
.toc-list .tz { margin-left: auto; font-size: 11.5px; color: var(--muted); }

.prose { font-family: var(--serif); color: var(--ink-2); font-size: 15px; line-height: 2; }
.prose p { margin: 0 0 14px; }

/* ---------- 阅读页 ---------- */
.reading { }

.progress-bar {
    position: fixed; top: 0; left: 0; height: 2px; background: var(--cinnabar);
    width: 0; z-index: 120; transition: width .1s linear;
}

.reader-shell { display: grid; grid-template-columns: 268px minmax(0, 1fr); gap: 0; align-items: start; }

.reader-aside {
    position: sticky; top: 66px; height: calc(100vh - 66px); overflow-y: auto;
    border-right: 1px solid var(--line); padding: 20px 14px 40px;
    scrollbar-width: thin;
}
.reader-aside .ra-book {
    font-family: var(--serif); font-size: 16px; letter-spacing: 2px; margin: 0 0 4px; padding: 0 8px;
}
.reader-aside .ra-cat { font-size: 12px; color: var(--muted); padding: 0 8px 14px; border-bottom: 1px solid var(--line); margin-bottom: 10px; }
.ra-toc { list-style: none; margin: 0; padding: 0; font-size: 13px; }
.ra-toc a { display: block; padding: 6px 10px; border-radius: 6px; color: var(--ink-2); line-height: 1.5; }
.ra-toc a:hover { background: var(--paper-3); color: var(--cinnabar); text-decoration: none; }
.ra-toc a.cur { background: var(--cinnabar-soft); color: var(--cinnabar); font-weight: 600; }
.ra-gap { padding: 6px 10px; color: var(--muted); font-size: 12px; }

.reader-main { padding: 0 0 60px; min-width: 0; }
#content, #main { scroll-margin-top: 78px; }

/* 移动端目录抽屉 */
@media (max-width: 1060px) {
    .reader-aside.open {
        display: block; position: fixed; top: 58px; left: 0; right: 0; bottom: 0;
        height: auto; z-index: 115; background: var(--paper); border-right: 0;
        padding: 18px 18px 60px; overflow-y: auto;
    }
}

.reader-bar {
    position: sticky; top: 66px; z-index: 40;
    display: flex; align-items: center; gap: 6px; flex-wrap: wrap;
    padding: 9px 26px; border-bottom: 1px solid var(--line);
    background: #f6f2e9;
    background: color-mix(in srgb, var(--paper) 92%, transparent);
    backdrop-filter: blur(10px);
}
.reader-bar .rb-title { font-size: 12.5px; color: var(--muted); margin-right: auto; font-family: var(--serif); }
.rb-btn { padding: 5px 10px; border-radius: 6px; font-size: 12.5px; color: var(--ink-2); border: 1px solid transparent; }
.rb-btn:hover { background: var(--paper-3); color: var(--cinnabar); }
.rb-btn.on { border-color: var(--line-2); }
#tocBtn { display: none; }
@media (max-width: 1060px) { #tocBtn { display: inline-flex; } }

.reader-band { max-width: 760px; margin: 0 auto; padding: 34px 26px 0; }
.reader-band .rb-crumb { font-size: 12px; color: var(--muted); margin-bottom: 22px; }
.reader-band h1 {
    font-family: var(--serif); font-size: clamp(24px, 3.2vw, 32px); letter-spacing: 2px;
    margin: 0 0 10px; font-weight: 700; line-height: 1.4;
}
.reader-sub { display: flex; flex-wrap: wrap; gap: 8px 18px; font-size: 12.5px; color: var(--muted); padding-bottom: 22px; border-bottom: 1px solid var(--line); }

.reader-body {
    max-width: 760px; margin: 0 auto; padding: 26px 26px 0;
    font-family: var(--read-font); font-size: var(--read-size); line-height: var(--read-line);
    color: var(--ink);
}
.reader-body p { margin: 0 0 .85em; text-indent: 0; }
.reader-body p + p { }
.reader-body .sec-title {
    font-family: var(--serif); font-size: 1.02em; font-weight: 700; color: var(--cinnabar);
    margin: 1.5em 0 .6em; letter-spacing: 1px;
}
.reader-body p:empty { display: none; }

.reader-foot { max-width: 760px; margin: 44px auto 0; padding: 0 26px; }
.reader-end {
    text-align: center; font-family: var(--serif); font-size: 13px; color: var(--muted);
    letter-spacing: 6px; padding: 30px 0; border-top: 1px solid var(--line);
}

.pager { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.pager a {
    padding: 14px 16px; border-radius: var(--radius); border: 1px solid var(--line);
    background: var(--paper-2); font-size: 13px; color: var(--ink-2); transition: border-color .18s, transform .18s;
}
.pager a:hover { border-color: var(--line-2); transform: translateY(-2px); text-decoration: none; }
.pager .p-next { text-align: right; }
.pager .p-dir { display: block; font-size: 11px; color: var(--muted); margin-bottom: 3px; }
.pager .p-name { font-family: var(--serif); font-size: 15px; color: var(--ink); }
.pager a.disabled { opacity: .4; pointer-events: none; }

/* ---------- 页脚 ---------- */
.site-footer {
    margin-top: 60px; border-top: 1px solid var(--line); background: var(--paper-2);
}
.foot-top {
    display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 40px;
    padding: 46px 0 34px;
}
.foot-brand .brand { margin-bottom: 14px; }
.foot-brand p { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.9; max-width: 380px; }
.foot-col h4 { margin: 0 0 14px; font-size: 13px; letter-spacing: 2px; color: var(--ink); font-family: var(--serif); }
.foot-col ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 9px; }
.foot-col a { color: var(--muted); font-size: 13px; }
.foot-col a:hover { color: var(--cinnabar); }
.foot-bottom {
    border-top: 1px solid var(--line); padding: 18px 0 26px;
    display: flex; flex-wrap: wrap; gap: 10px 20px; align-items: center;
    font-size: 12.5px; color: var(--muted);
}
.foot-bottom a { color: var(--muted); }
.foot-bottom a:hover { color: var(--cinnabar); }
.foot-bottom .icp { margin-left: auto; }

/* ---------- 关于页表格 ---------- */
.stat-table { width: 100%; border-collapse: collapse; margin: 18px 0 24px; font-size: 14px; }
.stat-table th, .stat-table td { padding: 10px 12px; border-bottom: 1px solid var(--line); text-align: left; }
.stat-table th { font-size: 12.5px; color: var(--muted); font-weight: 500; letter-spacing: 1px; }
.stat-table td { font-family: var(--serif); color: var(--ink-2); }
.stat-table a { color: var(--ink); }
.prose code {
    font-family: ui-monospace, SFMono-Regular, Consolas, monospace; font-size: 12.5px;
    background: var(--paper-3); padding: 2px 6px; border-radius: 4px; color: var(--cinnabar);
}

/* ---------- 全部分类页 ---------- */
.map-list { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 8px; }
.map-list li {
    display: flex; align-items: baseline; flex-wrap: wrap; gap: 8px;
    padding: 11px 14px; border: 1px solid var(--line); border-radius: var(--radius);
    background: var(--paper-2); font-size: 14px;
}
.map-list li > a { font-family: var(--serif); font-size: 15px; color: var(--ink); }
.map-list li > a i { color: var(--gold); font-size: 12px; margin-right: 7px; }
.map-list .sc-n { margin-left: auto; font-size: 11.5px; color: var(--muted); }
.map-list .sub-link { flex: 1 0 100%; font-size: 12px; color: var(--muted); line-height: 1.9; }
.map-list .sub-link a { color: var(--muted); }
.map-list .sub-link a:hover { color: var(--cinnabar); }

/* ---------- 返回顶部 ---------- */
.to-top {
    position: fixed; right: 24px; bottom: 26px; z-index: 80;
    width: 42px; height: 42px; border-radius: 50%; display: grid; place-items: center;
    background: var(--paper-2); border: 1px solid var(--line-2); color: var(--ink-2);
    box-shadow: var(--shadow); opacity: 0; visibility: hidden; transform: translateY(8px);
    transition: opacity .2s, visibility .2s, transform .2s;
}
.to-top.show { opacity: 1; visibility: visible; transform: none; }
.to-top:hover { color: var(--cinnabar); }

/* ---------- 响应式 ---------- */
@media (max-width: 1060px) {
    .collection-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .feature-grid { grid-template-columns: repeat(2, 1fr); }
    .two-col { grid-template-columns: 1fr; gap: 30px; }
    .reader-shell { grid-template-columns: 1fr; }
    .reader-aside { display: none; }
    .book-hero-grid { grid-template-columns: 1fr; }
    .foot-top { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 760px) {
    .head-inner { height: 58px; gap: 10px; }
    .brand-text b { font-size: 17px; letter-spacing: 2px; }
    .brand-seal { width: 32px; height: 32px; font-size: 13px; }
    .main-nav {
        position: fixed; inset: 58px 0 auto 0; z-index: 95; display: none;
        flex-direction: column; align-items: stretch; gap: 0; padding: 8px 14px 16px;
        background: var(--paper-2); border-bottom: 1px solid var(--line);
        box-shadow: var(--shadow); margin: 0;
    }
    .main-nav.open { display: flex; }
    .main-nav a { padding: 11px 12px; border-radius: 8px; font-size: 15px; }
    .nav-toggle { display: grid; }
    .hero-inner { padding: 46px 0 40px; }
    .hero h1 { letter-spacing: 6px; text-indent: 6px; }
    .hero-sub { font-size: 12.5px; line-height: 2; gap: 2px 0; }
    .hero-sub span { letter-spacing: 1px; }
    .hero-sub span + span::before { margin: 0 7px; }
    .hero-search { padding: 5px 5px 5px 16px; }
    .hero-search button { padding: 9px 18px; }
    .book-actions .btn { flex: 1 1 auto; justify-content: center; }
    .hero-stats { gap: 12px 26px; }
    .hero-stats b { font-size: 21px; }
    .section { padding: 38px 0; }
    .section-head h2 { font-size: 20px; }
    .toc-list { columns: 1; }
    .list-tools { position: static; }
    .list-count { margin-left: 0; }
    .book-grid { grid-template-columns: 1fr 1fr; gap: 10px; }
    .book-card { padding: 13px 14px; }
    .book-card h3 { font-size: 15px; }
    .reader-body { font-size: calc(var(--read-size) * .94); padding: 20px 18px 0; }
    .reader-band { padding: 24px 18px 0; }
    .reader-foot { padding: 0 18px; }
    .reader-bar { top: 58px; padding: 8px 14px; }
    .foot-top { grid-template-columns: 1fr; gap: 26px; padding: 34px 0 24px; }
    .foot-bottom .icp { margin-left: 0; }
    .to-top { right: 14px; bottom: 16px; }
    .pager { grid-template-columns: 1fr; }
    .pager .p-next { text-align: left; }
}

@media (max-width: 420px) {
    .book-grid { grid-template-columns: 1fr; }
    .collection-grid { grid-template-columns: 1fr; }
}

/* 打印 */
@media print {
    .site-header, .site-footer, .reader-aside, .reader-bar, .to-top, .pager, .crumbs { display: none !important; }
    body { background: #fff; }
    .reader-body { max-width: none; padding: 0; }
}

/* ==========================================================================
   2026-11-07 追加：语言切换 / 字号连续调节 / 移动端修正
   ========================================================================== */

/* 语言切换 */
.lang-switch {
    display: inline-flex; align-items: stretch; margin-right: 6px;
    border: 1px solid var(--line-2); border-radius: 7px; overflow: hidden;
    background: var(--paper-2);
}
.lang-switch button {
    padding: 2px 7px; font-size: 11.5px; line-height: 21px; color: var(--muted);
    transition: background .15s, color .15s;
}
.lang-switch button + button { border-left: 1px solid var(--line); }
.lang-switch button.on { background: var(--ink); color: var(--paper); }
.lang-switch button:hover { color: var(--cinnabar); }
.lang-switch button.on:hover { color: var(--paper); }

/* 字号加减 */
.rb-font {
    display: inline-flex; align-items: center; gap: 1px;
    border: 1px solid var(--line); border-radius: 7px; padding: 1px;
}
.rb-font .rb-btn { padding: 4px 7px; }
.rb-size {
    min-width: 22px; text-align: center; font-size: 11.5px; color: var(--muted);
    font-variant-numeric: tabular-nums;
}

/* 阅读页移动端：工具条单行横向滚动，不再换行错位 */
@media (max-width: 760px) {
    .reader-bar {
        flex-wrap: nowrap; overflow-x: auto; gap: 2px; padding: 7px 12px;
        scrollbar-width: none; -webkit-overflow-scrolling: touch;
    }
    .reader-bar::-webkit-scrollbar { display: none; }
    .reader-bar .rb-title {
        flex: 1 1 auto; min-width: 0; overflow: hidden;
        text-overflow: ellipsis; white-space: nowrap; margin-right: 6px;
    }
    .reader-bar .rb-label { display: none; }
    .rb-btn { padding: 5px 8px; white-space: nowrap; }
    .reader-body { font-size: var(--read-size); }
    .reader-band h1 { font-size: 22px; }
}

/* 首页 / 详情页移动端 */
@media (max-width: 760px) {
    .hero-search { width: 100%; max-width: 100%; box-sizing: border-box; }
    .hero-search input { font-size: 14px; }
    .hero-search button { padding: 9px 16px; font-size: 13px; letter-spacing: 1px; }
    .hero-sub { padding: 0 6px; }
    .book-intro {
        display: -webkit-box; -webkit-line-clamp: 5; -webkit-box-orient: vertical;
        overflow: hidden;
    }
    .book-actions { gap: 8px; }
    .book-actions .btn { flex: 1 1 30%; justify-content: center; padding: 10px 8px; font-size: 13px; }
    .book-actions .btn i { margin-right: 2px; }
    .book-side { margin-top: 4px; }
    .lang-switch { margin-right: 2px; }
    .lang-switch button { padding: 2px 6px; font-size: 11px; }
}

@media (max-width: 380px) {
    .brand-text i { display: none; }
    .hero-sub { letter-spacing: 1px; font-size: 12px; }
}

/* 翻译成英文后导航变长：桌面端横向滚动，避免把工具区挤出屏幕 */
@media (min-width: 761px) {
    .main-nav { min-width: 0; overflow-x: auto; scrollbar-width: none; }
    .main-nav::-webkit-scrollbar { display: none; }
    .main-nav a { flex: 0 0 auto; }
}
.head-inner { min-width: 0; }

/* ==========================================================================
   2026-11-07 二次调整：语言下拉 / 书架入口 / 提示条
   ========================================================================== */

.lang-menu { position: relative; }
.lang-toggle {
    display: inline-flex; align-items: center; gap: 4px; height: 34px; padding: 0 8px;
    border-radius: 8px; color: var(--ink-2); font-size: 12.5px; transition: background .18s, color .18s;
}
.lang-toggle:hover { background: var(--paper-3); color: var(--cinnabar); }
.lang-toggle i { font-size: 14px; }
.lang-toggle span { font-family: var(--serif); letter-spacing: 0; }
.lang-pop {
    position: absolute; right: 0; top: 42px; z-index: 130; min-width: 138px; padding: 6px;
    background: var(--paper-2); border: 1px solid var(--line-2); border-radius: 10px;
    box-shadow: var(--shadow); display: none;
}
.lang-pop.open { display: block; }
.lang-pop button {
    display: block; width: 100%; text-align: left; padding: 8px 10px; border-radius: 7px;
    font-size: 13px; color: var(--ink-2);
}
.lang-pop button:hover { background: var(--paper-3); color: var(--cinnabar); }
.lang-pop button.on { color: var(--cinnabar); font-weight: 600; background: var(--cinnabar-soft); }

/* 书架入口：桌面显示图标，手机放进导航面板 */
.shelf-btn { display: none; }
@media (min-width: 761px) { .shelf-btn { display: grid; } }
.nav-shelf { display: none; }
@media (max-width: 760px) {
    .nav-shelf { display: block; }
    .main-nav .nav-shelf { margin-top: 6px; border-top: 1px dashed var(--line); }
}

/* 轻提示 */
.toast {
    position: fixed; left: 50%; bottom: 34px; transform: translate(-50%, 12px);
    background: var(--ink); color: var(--paper); font-size: 13px; padding: 10px 18px;
    border-radius: 999px; box-shadow: var(--shadow); opacity: 0; visibility: hidden;
    transition: opacity .2s, transform .2s, visibility .2s; z-index: 300;
    display: flex; align-items: center; gap: 10px; white-space: nowrap;
}
.toast.show { opacity: 1; visibility: visible; transform: translate(-50%, 0); }
.toast a { color: #f3d9a5; text-decoration: underline; }

/* 书架页 */
.shelf-wrap { max-width: 900px; margin: 0 auto; padding: 0 22px; }
.shelf-head { padding: 34px 0 10px; display: flex; align-items: flex-end; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.shelf-head h1 { font-family: var(--serif); font-size: clamp(24px, 3.4vw, 32px); letter-spacing: 4px; margin: 0; }
.shelf-head p { color: var(--muted); font-size: 13px; margin: 8px 0 0; }
.shelf-tools { display: flex; align-items: center; gap: 12px; flex-wrap: nowrap; }
.shelf-tools .list-count { white-space: nowrap; }
.shelf-list { list-style: none; margin: 0; padding: 18px 0 70px; display: grid; gap: 10px; }
.shelf-item {
    display: flex; align-items: center; gap: 14px; padding: 14px 16px;
    background: var(--paper-2); border: 1px solid var(--line); border-radius: var(--radius);
}
.shelf-item a { flex: 1; min-width: 0; }
.shelf-item .si-name { font-family: var(--serif); font-size: 16px; color: var(--ink); display: block;
    overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.shelf-item .si-cat { font-size: 12px; color: var(--muted); }
.shelf-item .si-del { color: var(--muted); padding: 6px 10px; border-radius: 6px; }
.shelf-item .si-del:hover { color: var(--cinnabar); background: var(--cinnabar-soft); }
.shelf-empty { padding: 60px 0; text-align: center; color: var(--muted); font-size: 14px; }