/* ============================================================
   测字秘牒 · 研习与应用站
   设计语言：宋式美学 · 极简水墨
   宣纸底 · 墨色主 · 朱砂点缀
   ============================================================ */

:root {
  --paper: #f5f0e3;
  --paper-deep: #ece4d0;
  --paper-card: #fbf7ec;
  --ink: #2c2a25;
  --ink-soft: #57534a;
  --ink-faint: #8c867a;
  --line: rgba(44, 42, 37, 0.16);
  --line-soft: rgba(44, 42, 37, 0.09);
  --cinnabar: #a63a2b;
  --cinnabar-deep: #8c2f22;
  --cinnabar-soft: rgba(166, 58, 43, 0.08);
  --gold: #a8843c;
  --serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "SimSun", serif;
  --sans: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --kai: "KaiTi", "STKaiti", "Kaiti SC", "Kai", serif;
  --radius: 10px;
  --shadow: 0 1px 2px rgba(44, 42, 37, 0.05), 0 8px 24px rgba(44, 42, 37, 0.06);
  --header-h: 64px;
  --maxw: 1160px;
}

/* 夜色阅读模式 */
html[data-theme="night"] {
  --paper: #202522;
  --paper-deep: #1a1f1c;
  --paper-card: #262c28;
  --ink: #ddd6c2;
  --ink-soft: #b3ac98;
  --ink-faint: #8a8572;
  --line: rgba(221, 214, 194, 0.16);
  --line-soft: rgba(221, 214, 194, 0.09);
  --cinnabar: #c96a52;
  --cinnabar-deep: #d9806a;
  --cinnabar-soft: rgba(201, 106, 82, 0.12);
  --shadow: 0 1px 2px rgba(0, 0, 0, 0.3), 0 8px 24px rgba(0, 0, 0, 0.35);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--serif);
  font-size: 16px;
  line-height: 1.85;
  letter-spacing: 0.02em;
  -webkit-font-smoothing: antialiased;
  transition: background 0.35s ease, color 0.35s ease;
}

img { max-width: 100%; display: block; }
a { color: var(--ink); text-decoration: none; transition: color 0.2s ease; }
a:hover { color: var(--cinnabar); }
::selection { background: var(--cinnabar); color: var(--paper); }

.container { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

/* ---------- 顶部导航 ---------- */
.site-header {
  position: sticky; top: 0; z-index: 60;
  background: rgba(245, 240, 227, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
html[data-theme="night"] .site-header { background: rgba(32, 37, 34, 0.92); }
.header-inner {
  max-width: var(--maxw); margin: 0 auto; padding: 0 24px;
  height: var(--header-h);
  display: flex; align-items: center; gap: 28px;
}
.brand { display: flex; align-items: baseline; gap: 10px; flex-shrink: 0; }
.brand-name {
  font-family: var(--kai);
  font-size: 25px; font-weight: 700; letter-spacing: 0.12em; color: var(--ink);
}
.brand-name .seal-dot {
  display: inline-block; width: 9px; height: 9px; background: var(--cinnabar);
  margin-right: 9px; border-radius: 2px; transform: translateY(-2px);
}
.brand-sub { font-size: 12px; color: var(--ink-faint); letter-spacing: 0.3em; }

.main-nav { display: flex; gap: 4px; margin-left: auto; align-items: center; }
.main-nav a {
  padding: 8px 12px; font-size: 14.5px; color: var(--ink-soft);
  border-radius: 6px; position: relative;
}
.main-nav a:hover { color: var(--cinnabar); background: var(--cinnabar-soft); }
.main-nav a.active { color: var(--cinnabar); font-weight: 600; }
.main-nav a.active::after {
  content: ""; position: absolute; left: 12px; right: 12px; bottom: 2px;
  height: 2px; background: var(--cinnabar); border-radius: 2px;
}
.nav-extra { display: flex; align-items: center; gap: 8px; }
.icon-btn {
  width: 38px; height: 38px; border-radius: 8px; border: 1px solid var(--line);
  background: transparent; color: var(--ink-soft); cursor: pointer;
  display: inline-flex; align-items: center; justify-content: center;
  transition: all 0.2s ease;
}
.icon-btn:hover { color: var(--cinnabar); border-color: var(--cinnabar); }

.nav-toggle { display: none; }

/* 移动端导航抽屉 */
@media (max-width: 980px) {
  .nav-toggle { display: inline-flex; }
  .main-nav {
    position: fixed; top: var(--header-h); left: 0; right: 0;
    background: var(--paper-card); border-bottom: 1px solid var(--line);
    flex-direction: column; align-items: stretch; gap: 0;
    padding: 10px 16px 16px; margin: 0;
    display: none;
    box-shadow: var(--shadow);
  }
  .main-nav.open { display: flex; }
  .main-nav a { padding: 13px 12px; font-size: 16px; border-bottom: 1px solid var(--line-soft); }
  .main-nav a:last-child { border-bottom: none; }
  .main-nav a.active::after { display: none; }
  .main-nav a.active { background: var(--cinnabar-soft); border-radius: 8px; }
  .brand-sub { display: none; }
}

/* ---------- 页脚 ---------- */
.site-footer {
  margin-top: 80px; border-top: 1px solid var(--line);
  background: var(--paper-deep);
  padding: 44px 0 36px;
}
.footer-inner { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
.footer-grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 32px;
}
.footer-title { font-family: var(--kai); font-size: 20px; letter-spacing: 0.14em; margin: 0 0 10px; }
.footer-desc { color: var(--ink-faint); font-size: 13.5px; line-height: 1.9; margin: 0; }
.footer-links h5 { margin: 0 0 10px; font-size: 13px; color: var(--ink-faint); letter-spacing: 0.2em; }
.footer-links a { display: block; padding: 4px 0; font-size: 14px; color: var(--ink-soft); }
.footer-bottom {
  margin-top: 32px; padding-top: 18px; border-top: 1px solid var(--line-soft);
  display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap;
  color: var(--ink-faint); font-size: 12.5px;
}
@media (max-width: 760px) {
  .head-art { display: none; }
  .footer-grid { grid-template-columns: 1fr; gap: 22px; }
}

/* ---------- 通用组件 ---------- */
.page-head { padding: 56px 0 34px; }
.page-head .kicker {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: 13px; letter-spacing: 0.34em; color: var(--cinnabar);
}
.page-head .kicker::before { content: ""; width: 26px; height: 1px; background: var(--cinnabar); }
.page-title { font-size: clamp(30px, 4.4vw, 44px); font-weight: 700; margin: 14px 0 12px; letter-spacing: 0.06em; }
.page-sub { color: var(--ink-faint); font-size: 15px; max-width: 720px; margin: 0; }

.section { margin: 52px 0; }
.section-head { display: flex; align-items: baseline; gap: 16px; margin-bottom: 22px; flex-wrap: wrap; }
.section-head h2 { font-size: 24px; font-weight: 700; margin: 0; letter-spacing: 0.05em; }
.section-head .zh-label {
  font-family: var(--kai); font-size: 14px; color: var(--cinnabar); letter-spacing: 0.3em;
}
.section-head .more { margin-left: auto; font-size: 13.5px; color: var(--ink-faint); }
.section-head .more a { color: var(--ink-faint); border-bottom: 1px solid var(--line); }
.section-head .more a:hover { color: var(--cinnabar); border-color: var(--cinnabar); }

.card {
  background: var(--paper-card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 24px;
}
.card + .card { margin-top: 16px; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 26px; border-radius: 8px;
  font-family: var(--serif); font-size: 15.5px; letter-spacing: 0.1em;
  border: 1px solid var(--ink); background: var(--ink); color: var(--paper);
  cursor: pointer; transition: all 0.22s ease; min-height: 44px;
}
.btn:hover { background: var(--cinnabar); border-color: var(--cinnabar); color: var(--paper); }
.btn-ghost { background: transparent; color: var(--ink); }
.btn-ghost:hover { background: var(--cinnabar-soft); color: var(--cinnabar); border-color: var(--cinnabar); }
.btn-seal {
  background: var(--cinnabar); border-color: var(--cinnabar); color: var(--paper);
}
.btn-seal:hover { background: var(--cinnabar-deep); }
.btn[disabled] { opacity: 0.45; cursor: not-allowed; pointer-events: none; }
.btn-sm { padding: 8px 16px; font-size: 13.5px; min-height: 38px; }

.chip {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 6px 14px; border-radius: 999px;
  border: 1px solid var(--line); background: transparent;
  color: var(--ink-soft); font-size: 13.5px; cursor: pointer;
  transition: all 0.2s ease; font-family: var(--serif);
  min-height: 36px;
}
.chip:hover { border-color: var(--cinnabar); color: var(--cinnabar); }
.chip.active { background: var(--cinnabar); border-color: var(--cinnabar); color: var(--paper); }

.seal-tag {
  display: inline-block; padding: 5px 12px;
  background: var(--cinnabar); color: var(--paper);
  font-family: var(--kai); font-size: 13px; letter-spacing: 0.24em;
  border-radius: 4px; line-height: 1.5;
}
.seal-tag.ghost { background: transparent; color: var(--cinnabar); border: 1px solid var(--cinnabar); }

.divider {
  display: flex; align-items: center; gap: 14px; margin: 40px 0; color: var(--ink-faint);
}
.divider::before, .divider::after { content: ""; flex: 1; height: 1px; background: var(--line); }
.divider .diamond { width: 7px; height: 7px; background: var(--cinnabar); transform: rotate(45deg); flex-shrink: 0; }

.grid { display: grid; gap: 18px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 980px) { .grid-4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 760px) { .grid-3, .grid-2 { grid-template-columns: 1fr; } }
@media (max-width: 560px) { .grid-4 { grid-template-columns: 1fr 1fr; } }

/* 大字 */
.char-display {
  font-size: clamp(64px, 14vw, 128px);
  font-weight: 900; line-height: 1.1; letter-spacing: 0.05em;
  color: var(--ink);
}
.char-display.small { font-size: clamp(42px, 8vw, 72px); }

/* 提示框 */
.notice {
  border-left: 3px solid var(--cinnabar);
  background: var(--cinnabar-soft);
  border-radius: 0 8px 8px 0;
  padding: 14px 18px; font-size: 14px; color: var(--ink-soft);
}
.notice.plain { border-left-color: var(--gold); background: rgba(168, 132, 60, 0.08); }

/* 空态与加载 */
.state-empty, .state-loading {
  text-align: center; color: var(--ink-faint); padding: 60px 20px; font-size: 15px;
}
.state-loading .spinner {
  width: 26px; height: 26px; margin: 0 auto 14px;
  border: 2px solid var(--line); border-top-color: var(--cinnabar);
  border-radius: 50%; animation: spin 0.9s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* 漫漶注记 */
.toc-note {
  display: inline-block;
  margin-left: 4px;
  font-size: 11px;
  color: var(--cinnabar);
  cursor: help;
  vertical-align: super;
  font-style: normal;
}

/* 简繁切换按钮 */
.lang-toggle {
  font-family: var(--serif);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 1px;
  min-width: 26px;
}
html[data-lang="trad"] .lang-toggle { color: var(--cinnabar); }

/* 输入抖动提示 */
@keyframes shake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-6px); }
  75% { transform: translateX(6px); }
}

/* 进入动画 */
.fade-in { animation: fadeUp 0.5s ease both; }
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

/* ---------- 首页 Hero ---------- */
.hero {
  position: relative; overflow: hidden;
  border-bottom: 1px solid var(--line);
  min-height: 520px; display: flex; align-items: center;
}
.hero-bg {
  position: absolute; inset: 0; z-index: 0;
  background-size: cover; background-position: center 30%;
  filter: saturate(0.94);
}
.hero-bg::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(to right, rgba(245, 240, 227, 0.94) 0%, rgba(245, 240, 227, 0.78) 46%, rgba(245, 240, 227, 0.28) 100%);
}
html[data-theme="night"] .hero-bg::after {
  background: linear-gradient(to right, rgba(32, 37, 34, 0.96) 0%, rgba(32, 37, 34, 0.82) 50%, rgba(32, 37, 34, 0.35) 100%);
}
.hero-inner { position: relative; z-index: 1; padding: 90px 0 96px; max-width: var(--maxw); margin: 0 auto; width: 100%; }
.hero-kicker {
  display: inline-block; font-size: 13px; letter-spacing: 0.4em; color: var(--cinnabar);
  border: 1px solid var(--cinnabar); padding: 5px 14px; border-radius: 4px; margin-bottom: 22px;
}
.hero-title {
  font-size: clamp(46px, 7.5vw, 84px); font-weight: 900; letter-spacing: 0.1em;
  margin: 0 0 6px; line-height: 1.15;
}
.hero-title em {
  font-style: normal; color: var(--cinnabar);
}
.hero-sub {
  font-family: var(--kai); font-size: clamp(17px, 2.4vw, 22px); letter-spacing: 0.22em;
  color: var(--ink-soft); margin: 6px 0 20px;
}
.hero-desc { max-width: 560px; color: var(--ink-soft); font-size: 15.5px; margin: 0 0 34px; }
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; }

.hero-stats {
  display: flex; gap: 42px; margin-top: 52px; flex-wrap: wrap;
}
.hero-stat .num { font-size: 30px; font-weight: 900; color: var(--cinnabar); line-height: 1.2; }
.hero-stat .lbl { font-size: 13px; color: var(--ink-faint); letter-spacing: 0.18em; margin-top: 2px; }

/* 首页模块入口 */
.module-card {
  position: relative; padding: 26px 24px 22px; overflow: hidden;
  display: flex; flex-direction: column; gap: 10px;
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}
.module-card:hover { transform: translateY(-4px); box-shadow: 0 12px 32px rgba(44,42,37,.1); border-color: rgba(166,58,43,.4); }
.module-card .m-icon {
  font-size: 30px; font-family: var(--kai); color: var(--cinnabar); line-height: 1.3;
}
.module-card h3 { font-size: 19px; margin: 2px 0 0; letter-spacing: 0.06em; }
.module-card p { font-size: 13.5px; color: var(--ink-faint); margin: 0; line-height: 1.75; }
.module-card .m-link { margin-top: auto; font-size: 13px; color: var(--cinnabar); letter-spacing: 0.1em; }

/* 首页 · 今日一字 */
.today-char {
  display: flex; align-items: stretch; gap: 26px; flex-wrap: wrap;
}
.today-char .char-box {
  flex: 0 0 auto; width: 150px; min-height: 170px;
  border: 1px solid var(--line); border-radius: var(--radius);
  background: var(--paper-card);
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 8px;
  box-shadow: var(--shadow);
}
.today-char .char-box .c { font-size: 76px; font-weight: 900; line-height: 1; }
.today-char .char-box .src { font-size: 12px; color: var(--ink-faint); }
.today-char .char-main { flex: 1; min-width: 280px; }
.today-char .char-main .v { font-size: 17px; line-height: 2; color: var(--ink-soft); }
.today-char .btn-again { margin-top: 12px; }

/* 七卷速览 */
.volume-list { display: grid; gap: 0; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.volume-item {
  display: grid; grid-template-columns: 70px 1fr auto; align-items: center; gap: 16px;
  padding: 15px 22px; background: var(--paper-card);
  border-bottom: 1px solid var(--line-soft); transition: background 0.2s ease;
}
.volume-item:last-child { border-bottom: none; }
.volume-item:hover { background: var(--cinnabar-soft); }
.volume-item .v-no { font-family: var(--kai); font-size: 17px; color: var(--cinnabar); }
.volume-item .v-name { font-weight: 700; font-size: 16px; }
.volume-item .v-desc { color: var(--ink-faint); font-size: 13px; }
.volume-item .v-go { color: var(--ink-faint); font-size: 13px; }
.volume-item .v-go:hover { color: var(--cinnabar); }

/* ---------- 阅读器 ---------- */
.reader-layout { display: grid; grid-template-columns: 250px 1fr; gap: 30px; align-items: start; }
.reader-toc {
  position: sticky; top: calc(var(--header-h) + 20px);
  max-height: calc(100vh - var(--header-h) - 40px); overflow-y: auto;
}
.toc-box { border: 1px solid var(--line); border-radius: var(--radius); background: var(--paper-card); padding: 14px; }
.toc-box h4 { margin: 4px 4px 10px; font-size: 13px; color: var(--ink-faint); letter-spacing: 0.24em; }
.toc-item {
  display: flex; align-items: center; gap: 8px;
  padding: 9px 10px; border-radius: 7px; cursor: pointer;
  font-size: 14px; color: var(--ink-soft);
}
.toc-item:hover { background: var(--cinnabar-soft); color: var(--cinnabar); }
.toc-item.active { background: var(--cinnabar); color: var(--paper); }
.toc-item .toc-no { font-size: 11.5px; opacity: 0.75; }

.reader-toolbar {
  display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
  padding: 12px 16px; border: 1px solid var(--line); border-radius: var(--radius);
  background: var(--paper-card); margin-bottom: 20px;
}
.reader-toolbar .group { display: flex; align-items: center; gap: 6px; margin-right: 8px; }
.reader-toolbar .sep { width: 1px; height: 22px; background: var(--line); margin: 0 8px; }
.reader-search { flex: 1; min-width: 200px; display: flex; gap: 8px; }

.reader-body { min-width: 0; }
.reader-doc { background: var(--paper-card); border: 1px solid var(--line); border-radius: var(--radius); padding: 40px clamp(22px, 4vw, 56px); box-shadow: var(--shadow); }
.doc-title { font-size: 28px; font-weight: 700; text-align: center; letter-spacing: 0.1em; margin: 0 0 8px; }
.doc-title-sub { text-align: center; color: var(--ink-faint); font-size: 13.5px; margin-bottom: 30px; letter-spacing: 0.3em; }
.doc-intro { font-size: 15.5px; color: var(--ink-soft); line-height: 2.1; padding: 0 8px 26px; border-bottom: 1px solid var(--line-soft); }

.doc-section { margin-top: 34px; }
.doc-section-title {
  display: flex; align-items: center; gap: 14px;
  font-size: 21px; font-weight: 700; letter-spacing: 0.06em; margin: 0 0 14px;
}
.doc-section-title::before { content: ""; width: 20px; height: 20px; background: var(--cinnabar); transform: rotate(45deg); flex-shrink: 0; }
.doc-section-desc { font-size: 15px; color: var(--ink-soft); line-height: 2.05; padding: 0 6px; }

.entry-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(190px, 1fr)); gap: 12px;
  margin-top: 16px;
}
.entry-item {
  border: 1px solid var(--line); border-radius: 8px; padding: 12px 14px;
  background: var(--paper); display: flex; align-items: baseline; gap: 10px;
  transition: border-color 0.2s ease, transform 0.2s ease;
}
.entry-item:hover { border-color: var(--cinnabar); transform: translateY(-2px); }
.entry-item .e-char { font-size: 30px; font-weight: 900; flex-shrink: 0; line-height: 1; }
.entry-item .e-verdict { font-size: 13px; color: var(--ink-soft); line-height: 1.75; }
.entry-item .e-arrow { color: var(--cinnabar); font-size: 14px; }

/* 案例 */
.case-card { display: grid; grid-template-columns: 110px 1fr; gap: 22px; align-items: start; }
.case-char {
  text-align: center; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 16px 10px; background: var(--paper);
}
.case-char .c { font-size: 52px; font-weight: 900; line-height: 1.15; }
.case-char .t { font-size: 12px; color: var(--ink-faint); margin-top: 6px; }
.case-body h3 { margin: 0 0 8px; font-size: 19px; }
.case-tags { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 10px; }
.case-text { font-size: 14.5px; color: var(--ink-soft); line-height: 2; white-space: pre-line; }
@media (max-width: 640px) { .case-card { grid-template-columns: 1fr; } .case-char { display: flex; align-items: center; gap: 14px; } .case-char .c { font-size: 40px; } }

/* ---------- 字典页 ---------- */
.filter-bar {
  display: flex; flex-wrap: wrap; gap: 12px; align-items: center;
  padding: 18px; border: 1px solid var(--line); border-radius: var(--radius);
  background: var(--paper-card); margin-bottom: 22px;
}
.search-input {
  flex: 1; min-width: 220px; height: 44px; padding: 0 16px;
  border: 1px solid var(--line); border-radius: 8px; background: var(--paper);
  color: var(--ink); font-family: var(--serif); font-size: 15.5px; letter-spacing: 0.04em;
  outline: none; transition: border-color 0.2s ease;
}
.search-input:focus { border-color: var(--cinnabar); }
.search-input::placeholder { color: var(--ink-faint); }

.select {
  height: 44px; padding: 0 14px; border: 1px solid var(--line); border-radius: 8px;
  background: var(--paper); color: var(--ink); font-family: var(--serif); font-size: 14.5px;
  outline: none; cursor: pointer;
}
.select:focus { border-color: var(--cinnabar); }

.radical-strip { display: flex; flex-wrap: wrap; gap: 6px; max-height: 150px; overflow-y: auto; padding: 4px; }
.radical-chip { min-width: 40px; justify-content: center; padding: 6px 8px; }

.dict-result .entry-item { cursor: pointer; }
.dict-result .entry-item.active { border-color: var(--cinnabar); background: var(--cinnabar-soft); }

.dict-detail {
  position: sticky; top: calc(var(--header-h) + 20px);
  border: 1px solid var(--line); border-radius: var(--radius);
  background: var(--paper-card); padding: 26px; box-shadow: var(--shadow);
}
.dict-detail .dd-char { display: flex; align-items: baseline; gap: 16px; }
.dict-detail .dd-char .c { font-size: 84px; font-weight: 900; line-height: 1; }
.dict-detail .meta { display: flex; flex-wrap: wrap; gap: 8px; margin: 14px 0; }
.dict-detail .verdict { font-size: 16.5px; line-height: 2.1; color: var(--ink-soft); }
@media (max-width: 980px) { .dict-detail { position: static; margin-top: 18px; } }

/* ---------- 测法页 ---------- */
.method-card .m-head { display: flex; align-items: baseline; gap: 14px; margin-bottom: 10px; }
.method-card .m-head .no { font-family: var(--kai); color: var(--cinnabar); font-size: 16px; }
.method-card .m-head h3 { margin: 0; font-size: 20px; }
.method-card .m-desc { font-size: 14.5px; color: var(--ink-soft); line-height: 2; margin: 0 0 14px; }
.method-card .m-examples { display: flex; flex-wrap: wrap; gap: 8px; }
.m-example {
  border: 1px dashed var(--line); border-radius: 7px; padding: 6px 10px;
  background: var(--paper); font-size: 13.5px; color: var(--ink-soft);
}
.m-example b { font-size: 19px; color: var(--ink); margin-right: 6px; font-weight: 700; }
.m-example .arrow { color: var(--cinnabar); margin: 0 4px; }

/* 测法总览图 */
.method-map {
  border: 1px solid var(--line); border-radius: var(--radius);
  background: var(--paper-card); padding: 26px; overflow-x: auto;
}
.method-map svg { min-width: 640px; width: 100%; height: auto; display: block; }

/* ---------- 测字应用页 ---------- */
.cezi-wrap { display: grid; grid-template-columns: 1fr 360px; gap: 26px; align-items: start; }
.cezi-panel { border: 1px solid var(--line); border-radius: var(--radius); background: var(--paper-card); padding: 30px; box-shadow: var(--shadow); }
.cezi-panel .big-input-row { display: flex; align-items: center; gap: 18px; }
.cezi-input {
  width: 150px; height: 150px; text-align: center;
  font-size: 84px; font-weight: 900; font-family: var(--serif);
  border: 1px solid var(--line); border-radius: 12px; background: var(--paper);
  color: var(--ink); outline: none; transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.cezi-input:focus { border-color: var(--cinnabar); box-shadow: 0 0 0 3px var(--cinnabar-soft); }
.cezi-input::placeholder { font-size: 40px; color: var(--ink-faint); }
.topic-picker { display: flex; flex-wrap: wrap; gap: 8px; margin: 20px 0 8px; }
.topic-picker .chip { font-size: 14px; }

.result-card { animation: fadeUp 0.45s ease both; }
.result-card .rc-head { display: flex; align-items: center; gap: 18px; border-bottom: 1px solid var(--line-soft); padding-bottom: 18px; }
.rc-block { padding: 20px 0; border-bottom: 1px solid var(--line-soft); }
.rc-block:last-child { border-bottom: none; }
.rc-block .rb-title {
  display: flex; align-items: center; gap: 8px; font-size: 14px; color: var(--cinnabar);
  letter-spacing: 0.22em; margin-bottom: 10px; font-weight: 600;
}
.rc-block .rb-title::before { content: ""; width: 7px; height: 7px; background: var(--cinnabar); transform: rotate(45deg); }
.rc-block .rb-body { font-size: 15px; color: var(--ink-soft); line-height: 2; }

.history-list { display: flex; flex-direction: column; gap: 8px; }
.history-item {
  display: flex; align-items: center; gap: 12px;
  border: 1px solid var(--line-soft); border-radius: 8px; padding: 10px 14px;
  cursor: pointer; transition: border-color 0.2s ease; background: var(--paper);
}
.history-item:hover { border-color: var(--cinnabar); }
.history-item .h-char { font-size: 26px; font-weight: 900; width: 40px; text-align: center; }
.history-item .h-info { flex: 1; min-width: 0; }
.history-item .h-topic { font-size: 12.5px; color: var(--ink-faint); }
.history-item .h-time { font-size: 12px; color: var(--ink-faint); }
.history-item .h-verdict { font-size: 13px; color: var(--ink-soft); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

@media (max-width: 980px) { .cezi-wrap { grid-template-columns: 1fr; } }

/* ---------- 杂占页 ---------- */
.zazhan-hero { position: relative; border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line); }
.zazhan-hero .zh-img { height: 260px; background-size: cover; background-position: center; }
.zazhan-hero .zh-overlay {
  position: absolute; inset: auto 0 0 0; padding: 60px 28px 22px;
  background: linear-gradient(to top, rgba(32,30,26,0.85), transparent);
  color: #f0e9d8;
}
.zh-overlay h3 { margin: 0 0 4px; font-size: 22px; letter-spacing: 0.14em; }
.zh-overlay p { margin: 0; font-size: 13px; opacity: 0.85; }

.zhan-btn-area { text-align: center; padding: 40px 20px; }
.zhan-result {
  margin-top: 26px; padding: 30px; text-align: center;
  border: 1px solid var(--line); border-radius: var(--radius); background: var(--paper-card);
}
.zhan-result .z-char { font-size: 110px; font-weight: 900; line-height: 1.15; color: var(--cinnabar); }
.zhan-result .z-name { font-size: 16px; letter-spacing: 0.3em; color: var(--ink-faint); margin-top: 4px; }
.zhan-result .z-verdict { font-size: 16.5px; line-height: 2.1; color: var(--ink-soft); margin-top: 16px; max-width: 640px; margin-inline: auto; }
.zhan-result .z-touch { margin-top: 20px; font-size: 14.5px; color: var(--ink-faint); font-family: var(--kai); line-height: 2; }

/* ---------- 百科页 ---------- */
.timeline { position: relative; padding-left: 30px; }
.timeline::before { content: ""; position: absolute; left: 8px; top: 6px; bottom: 6px; width: 1px; background: var(--line); }
.tl-item { position: relative; padding: 0 0 30px 20px; }
.tl-item::before {
  content: ""; position: absolute; left: -27px; top: 8px;
  width: 11px; height: 11px; border-radius: 50%;
  background: var(--paper-card); border: 2px solid var(--cinnabar);
}
.tl-item .tl-period { font-family: var(--kai); color: var(--cinnabar); font-size: 14px; letter-spacing: 0.16em; }
.tl-item h4 { margin: 4px 0 6px; font-size: 18px; }
.tl-item p { margin: 0; font-size: 14px; color: var(--ink-soft); line-height: 1.95; }

.master-card, .book-card { height: 100%; }
.master-card .m-name { font-size: 20px; font-weight: 700; margin: 0 0 2px; }
.master-card .m-era { font-size: 12.5px; color: var(--cinnabar); letter-spacing: 0.14em; }
.master-card .m-title { font-size: 13.5px; color: var(--ink-faint); margin: 4px 0 10px; }
.master-card p { font-size: 14px; color: var(--ink-soft); line-height: 1.95; margin: 0; }

.book-card .b-name { font-size: 18px; font-weight: 700; margin: 0 0 2px; }
.book-card .b-meta { font-size: 12.5px; color: var(--ink-faint); margin-bottom: 8px; }
.book-card p { font-size: 13.5px; color: var(--ink-soft); line-height: 1.9; margin: 0; }

.term-table { width: 100%; border-collapse: collapse; font-size: 14.5px; }
.term-table th, .term-table td { text-align: left; padding: 13px 14px; border-bottom: 1px solid var(--line-soft); vertical-align: top; }
.term-table th { color: var(--ink-faint); font-weight: 500; letter-spacing: 0.1em; font-size: 13px; white-space: nowrap; }
.term-table td.term { white-space: nowrap; font-weight: 700; font-size: 16px; }
.term-table td.py { color: var(--cinnabar); font-size: 12.5px; white-space: nowrap; }
.term-table tr:hover td { background: var(--cinnabar-soft); }

.path-steps { counter-reset: path; }
.path-step { display: flex; gap: 18px; padding: 16px 0; border-bottom: 1px dashed var(--line); }
.path-step:last-child { border-bottom: none; }
.path-step .ps-no {
  flex-shrink: 0; width: 40px; height: 40px; border-radius: 50%;
  border: 2px solid var(--cinnabar); color: var(--cinnabar);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--kai); font-size: 18px;
}
.path-step h5 { margin: 0 0 4px; font-size: 17px; }
.path-step p { margin: 0; font-size: 14px; color: var(--ink-soft); line-height: 1.9; }

.source-list { display: grid; gap: 8px; }
.source-list a {
  display: flex; gap: 10px; align-items: baseline;
  padding: 9px 12px; border-radius: 7px; font-size: 13.5px; color: var(--ink-soft);
}
.source-list a:hover { background: var(--cinnabar-soft); color: var(--cinnabar); }
.source-list a .s-no { color: var(--cinnabar); font-family: var(--kai); flex-shrink: 0; }

/* 打印 */
@media print {
  .site-header, .site-footer, .reader-toolbar, .reader-toc, .btn, .nav-toggle { display: none !important; }
  body { background: #fff; }
  .card, .reader-doc, .cezi-panel { box-shadow: none; border-color: #ccc; }
}