/* ============================================================
   FateCat · Celestial Flux Design System
   高保真设计原型 — 与 fatecat 治理仓库完全隔离
   玻璃拟态 (glassmorphism) + 古典符号 + 科技质感
   ============================================================ */

:root {
  /* ---- 渐变地 (ground) ---- */
  --grad-1: #f4e9ff;
  --grad-2: #e7d4ff;
  --grad-3: #d6e4ff;
  --grad-4: #cdeffce6;
  --grad-peach: #ffe7d6;

  /* ---- 玻璃 (glass) ---- */
  --glass-fill: rgba(255, 255, 255, 0.55);
  --glass-fill-strong: rgba(255, 255, 255, 0.72);
  --glass-fill-soft: rgba(255, 255, 255, 0.34);
  --glass-border: rgba(255, 255, 255, 0.7);
  --glass-border-soft: rgba(255, 255, 255, 0.4);
  --glass-shadow: 0 20px 60px -20px rgba(76, 51, 138, 0.28);
  --glass-shadow-sm: 0 8px 30px -12px rgba(76, 51, 138, 0.22);
  --glass-blur: 22px;

  /* ---- 文字 (ink) ---- */
  --ink-900: #211a36;
  --ink-700: #3b3357;
  --ink-500: #6b6488;
  --ink-400: #8e87a6;
  --ink-on-accent: #ffffff;

  /* ---- 强调色 (accent) ---- */
  --violet: #7c5cff;
  --violet-soft: #a98bff;
  --cyan: #34c5e6;
  --cyan-soft: #7fd9ee;
  --gold: #d4a445;
  --gold-soft: #e9c876;
  --rose: #f08fb0;

  /* ---- 五行 (five elements) ---- */
  --wuxing-wood: #4fb477;   /* 木 */
  --wuxing-fire: #ef6f6c;   /* 火 */
  --wuxing-earth: #d4a445;  /* 土 */
  --wuxing-metal: #c7ccd6;  /* 金 */
  --wuxing-water: #4aa3df;  /* 水 */

  /* ---- 语义 (semantic) ---- */
  --ok: #3fae8e;
  --warn: #e0922f;
  --risk: #e0667e;

  /* ---- 圆角 / 间距 ---- */
  --r-xl: 30px;
  --r-lg: 22px;
  --r-md: 16px;
  --r-sm: 11px;
  --r-pill: 999px;

  --space-1: 6px;
  --space-2: 12px;
  --space-3: 18px;
  --space-4: 26px;
  --space-5: 38px;
  --space-6: 56px;

  --font-sans: "Inter", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, sans-serif;
  --font-serif: "Songti SC", "STSong", "Source Han Serif SC", Georgia, serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
/* 五行着色（干支文字） */
.e-wood  { color: var(--wuxing-wood); }
.e-fire  { color: var(--wuxing-fire); }
.e-earth { color: var(--wuxing-earth); }
.e-metal { color: #8f96a6; }
.e-water { color: var(--wuxing-water); }
[hidden] { display: none !important; }

body {
  font-family: var(--font-sans);
  color: var(--ink-900);
  background:
    radial-gradient(120% 120% at 12% 8%, var(--grad-peach) 0%, transparent 42%),
    radial-gradient(110% 110% at 88% 6%, var(--grad-3) 0%, transparent 46%),
    radial-gradient(140% 140% at 78% 92%, var(--grad-4) 0%, transparent 52%),
    linear-gradient(150deg, var(--grad-1) 0%, var(--grad-2) 46%, var(--grad-3) 100%);
  background-attachment: fixed;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

/* 漂浮光斑层 */
.aurora {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}
.aurora span {
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
  opacity: 0.55;
  animation: drift 26s ease-in-out infinite;
}
.aurora span:nth-child(1) { width: 460px; height: 460px; left: -80px; top: -60px;
  background: radial-gradient(circle, var(--violet-soft), transparent 70%); }
.aurora span:nth-child(2) { width: 520px; height: 520px; right: -120px; top: 6%;
  background: radial-gradient(circle, var(--cyan-soft), transparent 70%); animation-delay: -8s; }
.aurora span:nth-child(3) { width: 380px; height: 380px; left: 30%; bottom: -120px;
  background: radial-gradient(circle, var(--rose), transparent 70%); animation-delay: -15s; }

@keyframes drift {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(40px, 50px) scale(1.08); }
  66% { transform: translate(-30px, 20px) scale(0.96); }
}

/* ---------------- 玻璃卡片 ---------------- */
.glass {
  background: var(--glass-fill);
  backdrop-filter: blur(var(--glass-blur)) saturate(150%);
  -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(150%);
  border: 1px solid var(--glass-border);
  border-radius: var(--r-lg);
  box-shadow: var(--glass-shadow);
}
.glass-soft {
  background: var(--glass-fill-soft);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  border: 1px solid var(--glass-border-soft);
  border-radius: var(--r-md);
}
.glass-strong {
  background: var(--glass-fill-strong);
  backdrop-filter: blur(var(--glass-blur)) saturate(160%);
  -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(160%);
  border: 1px solid var(--glass-border);
  border-radius: var(--r-lg);
  box-shadow: var(--glass-shadow);
}

/* ---------------- 通用排版 ---------------- */
.eyebrow {
  font-size: 12px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-400);
  font-weight: 600;
}
.serif { font-family: var(--font-serif); }

.text-muted { color: var(--ink-500); }
.text-faint { color: var(--ink-400); }

/* ---------------- 按钮 ---------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 600;
  padding: 13px 26px;
  border-radius: var(--r-pill);
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.25s ease, background 0.25s ease;
  text-decoration: none;
  color: var(--ink-900);
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

.btn-primary {
  color: var(--ink-on-accent);
  background: linear-gradient(120deg, var(--violet) 0%, var(--cyan) 100%);
  box-shadow: 0 14px 30px -10px rgba(124, 92, 255, 0.6);
}
.btn-primary:hover { box-shadow: 0 18px 38px -10px rgba(124, 92, 255, 0.72); }

.btn-ghost {
  background: var(--glass-fill);
  border: 1px solid var(--glass-border);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
}

.btn-sm { padding: 9px 18px; font-size: 13px; }

/* ---------------- 标签 / 角标 ---------------- */
.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 13px;
  border-radius: var(--r-pill);
  font-size: 12.5px;
  font-weight: 600;
  background: var(--glass-fill);
  border: 1px solid var(--glass-border-soft);
  color: var(--ink-700);
  cursor: pointer;
  transition: all 0.2s ease;
  user-select: none;
}
.chip:hover { border-color: var(--violet-soft); color: var(--violet); }
.chip.is-active {
  background: linear-gradient(120deg, var(--violet), var(--cyan));
  color: #fff;
  border-color: transparent;
  box-shadow: 0 8px 18px -8px rgba(124, 92, 255, 0.7);
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 10px;
  border-radius: var(--r-pill);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.02em;
}
.tag-evidence { background: rgba(58, 168, 230, 0.16); color: #1f7fa3; }
.tag-source   { background: rgba(124, 92, 255, 0.16); color: #5a3fd6; }
.tag-risk     { background: rgba(224, 102, 126, 0.16); color: #c23b58; }
.tag-dot::before {
  content: "";
  width: 6px; height: 6px; border-radius: 50%;
  background: currentColor; display: inline-block;
}

/* ---------------- 输入控件 ---------------- */
.field { display: flex; flex-direction: column; gap: 8px; }
.field > label {
  font-size: 13px;
  font-weight: 600;
  color: var(--ink-700);
  display: flex;
  align-items: center;
  gap: 6px;
}
.field .req { color: var(--risk); font-size: 12px; }

.input, .select {
  width: 100%;
  font-family: var(--font-sans);
  font-size: 15px;
  color: var(--ink-900);
  padding: 13px 16px;
  border-radius: var(--r-sm);
  border: 1px solid var(--glass-border-soft);
  background: rgba(255, 255, 255, 0.6);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  transition: border-color 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
  outline: none;
}
.input::placeholder { color: var(--ink-400); }
.input:focus, .select:focus {
  border-color: var(--violet);
  box-shadow: 0 0 0 4px rgba(124, 92, 255, 0.14);
  background: rgba(255, 255, 255, 0.85);
}
.input.is-missing {
  border-color: var(--risk);
  box-shadow: 0 0 0 4px rgba(224, 102, 126, 0.15);
}
.field-hint { font-size: 12px; color: var(--ink-400); }
.field-hint.is-error { color: var(--risk); }

/* 分段选择 */
.segment {
  display: inline-flex;
  padding: 4px;
  gap: 4px;
  border-radius: var(--r-pill);
  background: rgba(255, 255, 255, 0.45);
  border: 1px solid var(--glass-border-soft);
}
.segment button {
  border: none;
  background: transparent;
  font-family: var(--font-sans);
  font-size: 13.5px;
  font-weight: 600;
  color: var(--ink-500);
  padding: 8px 18px;
  border-radius: var(--r-pill);
  cursor: pointer;
  transition: all 0.2s ease;
}
.segment button.is-active {
  background: #fff;
  color: var(--violet);
  box-shadow: var(--glass-shadow-sm);
}

/* ---------------- 通用布局 ---------------- */
.shell { position: relative; z-index: 1; }
.row { display: flex; }
.col { display: flex; flex-direction: column; }
.gap-1 { gap: var(--space-1); }
.gap-2 { gap: var(--space-2); }
.gap-3 { gap: var(--space-3); }
.gap-4 { gap: var(--space-4); }
.center { align-items: center; }
.between { justify-content: space-between; }
.wrap { flex-wrap: wrap; }
.grow { flex: 1; }

/* 滚动条 */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-thumb {
  background: rgba(124, 92, 255, 0.25);
  border-radius: 999px;
  border: 2px solid transparent;
  background-clip: padding-box;
}
::-webkit-scrollbar-thumb:hover { background: rgba(124, 92, 255, 0.4); background-clip: padding-box; }

/* ============================================================
   报告页组件 — report.html / direction.html 共享
   ============================================================ */

/* ---------------- 模块卡 (可下钻 / 可追问) ---------------- */
.module {
  padding: var(--space-4);
  position: relative;
  scroll-margin-top: 90px;
}
.module-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-3);
  margin-bottom: var(--space-3);
}
.module-head .mh-title { display: flex; align-items: center; gap: 11px; }
.module-head .mh-ic {
  flex: none;
  width: 38px; height: 38px;
  border-radius: 12px;
  display: grid; place-items: center;
  font-family: var(--font-serif);
  font-size: 20px; color: #fff;
  background: linear-gradient(135deg, var(--violet), var(--cyan));
  box-shadow: 0 8px 20px -8px rgba(124, 92, 255, 0.6);
}
.module-head h3 {
  font-family: var(--font-serif);
  font-size: 19px; font-weight: 700;
  line-height: 1.25;
}
.module-head .mh-sub { font-size: 12px; color: var(--ink-400); margin-top: 2px; }

.module-actions { display: flex; gap: 8px; flex: none; }
.icon-btn {
  display: inline-flex; align-items: center; gap: 6px;
  font-family: var(--font-sans);
  font-size: 12.5px; font-weight: 600;
  padding: 7px 13px;
  border-radius: var(--r-pill);
  border: 1px solid var(--glass-border-soft);
  background: rgba(255, 255, 255, 0.55);
  color: var(--ink-700);
  cursor: pointer;
  transition: all 0.2s ease;
  white-space: nowrap;
}
.icon-btn:hover { border-color: var(--violet-soft); color: var(--violet); transform: translateY(-1px); }
.icon-btn.is-accent {
  background: linear-gradient(120deg, rgba(124,92,255,0.14), rgba(52,197,230,0.12));
  border-color: var(--violet-soft); color: var(--violet);
}

/* ---------------- 天理 / 人情 双栏论证 ---------------- */
.reason-grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-3); }
.reason {
  padding: var(--space-3);
  border-radius: var(--r-md);
  border: 1px solid var(--glass-border-soft);
}
.reason.r-heaven { background: linear-gradient(160deg, rgba(124,92,255,0.08), rgba(124,92,255,0.02)); }
.reason.r-human  { background: linear-gradient(160deg, rgba(212,164,69,0.1), rgba(212,164,69,0.02)); }
.reason .r-label {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 11px; font-weight: 700; letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: 9px;
}
.reason.r-heaven .r-label { color: var(--violet); }
.reason.r-human .r-label { color: #b07d1e; }
.reason .r-label::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: currentColor; }
.reason p { font-size: 13.5px; line-height: 1.8; color: var(--ink-700); }
.reason p + p { margin-top: 8px; }
.reason strong { color: var(--ink-900); font-weight: 700; }

/* ---------------- 调候温度计 ---------------- */
/* padding-top 为 marker 顶部数值药丸预留空间，避免与上方文字重叠 */
.thermo { display: flex; flex-direction: column; gap: 12px; padding-top: 34px; }
.thermo-scale {
  position: relative;
  height: 16px;
  border-radius: 999px;
  background: linear-gradient(90deg, #4aa3df 0%, #7fd9ee 28%, #eef0f5 48%, #f5b14d 72%, #ef6f6c 100%);
  box-shadow: inset 0 1px 4px rgba(0,0,0,0.12);
}
.thermo-normal {
  position: absolute; top: -4px; bottom: -4px;
  border-radius: 6px;
  border: 1.5px dashed rgba(63,174,142,0.8);
  background: rgba(63,174,142,0.1);
}
.thermo-marker {
  position: absolute; top: 50%;
  width: 20px; height: 20px;
  border-radius: 50%;
  background: #fff;
  border: 3px solid var(--wuxing-water);
  transform: translate(-50%, -50%);
  box-shadow: 0 4px 12px -2px rgba(74,163,223,0.7);
}
/* 数值药丸：带底色，固定在 marker 正上方，不再裸字压住其他文本 */
.thermo-marker::after {
  content: attr(data-val);
  position: absolute; bottom: calc(100% + 9px); left: 50%; transform: translateX(-50%);
  font-size: 12.5px; font-weight: 800; color: #fff;
  line-height: 1; padding: 4px 9px; border-radius: 999px;
  background: linear-gradient(120deg, var(--violet), var(--cyan));
  box-shadow: 0 4px 10px -3px rgba(124,92,255,0.6);
  white-space: nowrap;
}
/* 药丸尖角 */
.thermo-marker::before {
  content: ""; position: absolute; bottom: calc(100% + 4px); left: 50%;
  transform: translateX(-50%);
  border: 5px solid transparent; border-top-color: var(--cyan);
}
.thermo-axis { display: flex; justify-content: space-between; font-size: 11px; color: var(--ink-400); font-weight: 600; }

/* ---------------- 用神喜忌 ---------------- */
.yongshen-grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-3); }
.ys-col { padding: var(--space-3); border-radius: var(--r-md); }
.ys-col.is-like { background: rgba(63,174,142,0.1); border: 1px solid rgba(63,174,142,0.3); }
.ys-col.is-avoid { background: rgba(224,102,126,0.1); border: 1px solid rgba(224,102,126,0.3); }
.ys-col .ys-head { font-size: 12px; font-weight: 700; letter-spacing: 0.1em; margin-bottom: 10px; }
.ys-col.is-like .ys-head { color: var(--ok); }
.ys-col.is-avoid .ys-head { color: var(--risk); }
.ys-items { display: flex; gap: 8px; flex-wrap: wrap; }
.ys-elem {
  display: inline-flex; align-items: center; gap: 6px;
  font-family: var(--font-serif); font-size: 16px; font-weight: 700;
  padding: 7px 14px; border-radius: var(--r-pill);
  background: rgba(255,255,255,0.7);
}
.ys-elem small { font-family: var(--font-sans); font-size: 11px; font-weight: 600; color: var(--ink-400); }

/* ---------------- 大运时间轴 ---------------- */
.timeline {
  display: flex; gap: 0;
  overflow-x: auto;
  padding: var(--space-3) 2px var(--space-2);
  scroll-snap-type: x proximity;
}
.luck {
  flex: 0 0 138px;
  scroll-snap-align: start;
  position: relative;
  padding: var(--space-3) var(--space-2) var(--space-2);
  margin-right: 10px;
  border-radius: var(--r-md);
  background: rgba(255,255,255,0.5);
  border: 1px solid var(--glass-border-soft);
  transition: all 0.25s ease;
}
.luck:hover { transform: translateY(-3px); box-shadow: var(--glass-shadow-sm); }
.luck.is-peak {
  background: linear-gradient(160deg, rgba(245,177,77,0.22), rgba(239,111,108,0.14));
  border-color: var(--gold);
  box-shadow: 0 12px 30px -12px rgba(212,164,69,0.6);
}
.luck .l-age { font-size: 11px; font-weight: 700; color: var(--ink-400); letter-spacing: 0.06em; }
.luck .l-gz { font-family: var(--font-serif); font-size: 24px; font-weight: 700; margin: 4px 0 2px; }
.luck .l-year { font-size: 11px; color: var(--ink-400); }
.luck .l-note { font-size: 12px; color: var(--ink-700); line-height: 1.6; margin-top: 8px; }
.luck .l-flag {
  display: inline-block; margin-top: 8px;
  font-size: 10.5px; font-weight: 700; letter-spacing: 0.05em;
  padding: 3px 9px; border-radius: var(--r-pill);
}
.luck .l-flag.f-fire { background: linear-gradient(120deg, var(--gold), var(--wuxing-fire)); color: #fff; }
.luck .l-flag.f-cold { background: rgba(74,163,223,0.18); color: #1f7fa3; }
.luck .l-flag.f-mix { background: rgba(142,135,166,0.18); color: var(--ink-500); }

/* ---------------- 移动端应用壳 ---------------- */
.mobile-tabbar { display: none; }

@media (max-width: 767px) {
  body.has-mobile-tabs {
    padding-bottom: calc(66px + env(safe-area-inset-bottom, 0px));
  }

  .mobile-tabbar {
    position: fixed;
    z-index: 50;
    left: 0;
    right: 0;
    bottom: 0;
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    min-height: 66px;
    padding: 5px 8px max(7px, env(safe-area-inset-bottom, 0px));
    background: rgba(255, 255, 255, 0.82);
    -webkit-backdrop-filter: blur(20px) saturate(160%);
    backdrop-filter: blur(20px) saturate(160%);
    border-top: 1px solid var(--glass-border);
    box-shadow: 0 -10px 30px -22px rgba(76, 51, 138, 0.5);
  }

  .mobile-tab {
    min-width: 0;
    min-height: 48px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2px;
    border-radius: 10px;
    color: var(--ink-500);
    font-size: 11px;
    font-weight: 600;
    text-decoration: none;
  }

  .mobile-tab-icon,
  .mobile-tab-icon svg {
    width: 21px;
    height: 21px;
    display: grid;
    place-items: center;
    stroke-width: 2;
  }

  .mobile-tab.is-active {
    color: var(--violet);
  }

  .mobile-tab.is-active .mobile-tab-icon {
    filter: drop-shadow(0 4px 8px rgba(124, 92, 255, 0.28));
  }

  .btn,
  .icon-btn,
  .segment button {
    min-height: 44px;
  }

  .aurora span {
    filter: blur(72px);
    opacity: 0.38;
  }

  canvas {
    max-width: 100%;
  }
}

@media (hover: none) {
  .btn:hover,
  .icon-btn:hover,
  .chip:hover,
  .luck:hover {
    transform: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* ---------------- 应期 (timing) ---------------- */
.timing { display: flex; flex-direction: column; gap: var(--space-2); }
.timing-row {
  display: grid; grid-template-columns: 76px 1fr; gap: var(--space-3);
  padding: var(--space-3);
  border-radius: var(--r-md);
  background: rgba(255,255,255,0.5);
  border: 1px solid var(--glass-border-soft);
}
.timing-when {
  font-family: var(--font-serif); font-weight: 700;
  display: flex; flex-direction: column; gap: 2px;
}
.timing-when .tw-year { font-size: 20px; color: var(--violet); }
.timing-when .tw-age { font-size: 11px; font-family: var(--font-sans); color: var(--ink-400); }
.timing-body .tb-title { font-weight: 700; font-size: 14px; margin-bottom: 4px; }
.timing-body p { font-size: 13px; line-height: 1.7; color: var(--ink-700); }

/* ---------------- 隐域 20 项网格 ---------------- */
.hidden-cat { margin-top: var(--space-5); }
.hidden-cat .cat-label {
  display: flex; align-items: center; gap: 10px;
  font-family: var(--font-serif); font-size: 17px; font-weight: 700;
  margin-bottom: var(--space-3);
}
.hidden-cat .cat-label .cat-badge {
  font-size: 11px; font-family: var(--font-sans); font-weight: 700;
  padding: 3px 10px; border-radius: var(--r-pill);
  background: linear-gradient(120deg, var(--violet), var(--cyan)); color: #fff;
}
.hidden-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-3); }
.hcard {
  padding: var(--space-3);
  position: relative;
  cursor: pointer;
  transition: all 0.22s ease;
}
.hcard:hover { transform: translateY(-3px); box-shadow: var(--glass-shadow); }
.hcard .hc-no {
  font-family: var(--font-serif); font-size: 12px; font-weight: 700;
  color: var(--violet); letter-spacing: 0.05em;
}
.hcard .hc-title { font-size: 14.5px; font-weight: 700; margin: 3px 0 8px; }
.hcard .hc-signal {
  font-size: 11.5px; color: var(--ink-400); line-height: 1.6;
  padding-left: 10px; border-left: 2px solid var(--glass-border); margin-bottom: 8px;
}
.hcard .hc-result { font-size: 12.5px; line-height: 1.7; color: var(--ink-700); }
.hcard.is-sensitive { border-color: rgba(224,102,126,0.3); }
.hcard .hc-lock {
  position: absolute; top: 14px; right: 14px;
  font-size: 10px; font-weight: 700; color: var(--risk);
  padding: 2px 8px; border-radius: var(--r-pill);
  background: rgba(224,102,126,0.12);
}

/* ---------------- 追问抽屉 ---------------- */
.drawer-mask {
  position: fixed; inset: 0; z-index: 50;
  background: rgba(33, 26, 54, 0.32);
  -webkit-backdrop-filter: blur(4px); backdrop-filter: blur(4px);
  opacity: 0; pointer-events: none;
  transition: opacity 0.3s ease;
}
.drawer-mask.is-open { opacity: 1; pointer-events: auto; }
.drawer {
  position: fixed; top: 0; right: 0; bottom: 0; z-index: 51;
  width: min(460px, 92vw);
  display: flex; flex-direction: column;
  background: var(--glass-fill-strong);
  -webkit-backdrop-filter: blur(28px) saturate(160%); backdrop-filter: blur(28px) saturate(160%);
  border-left: 1px solid var(--glass-border);
  box-shadow: -30px 0 80px -30px rgba(76,51,138,0.5);
  transform: translateX(100%);
  transition: transform 0.36s cubic-bezier(.3,.7,.2,1);
}
.drawer.is-open { transform: none; }
.drawer-head {
  padding: var(--space-4) var(--space-4) var(--space-3);
  border-bottom: 1px solid var(--glass-border-soft);
}
.drawer-head .dh-eyebrow { font-size: 11px; letter-spacing: 0.2em; text-transform: uppercase; color: var(--ink-400); font-weight: 600; }
.drawer-head .dh-title { font-family: var(--font-serif); font-size: 20px; font-weight: 700; margin-top: 4px; }
.drawer-head .dh-close {
  position: absolute; top: var(--space-4); right: var(--space-4);
  width: 32px; height: 32px; border-radius: 50%;
  border: 1px solid var(--glass-border-soft); background: rgba(255,255,255,0.6);
  cursor: pointer; font-size: 16px; color: var(--ink-500);
  display: grid; place-items: center; transition: all 0.2s ease;
}
.drawer-head .dh-close:hover { color: var(--risk); border-color: var(--risk); }
.drawer-ctx {
  margin: var(--space-3) var(--space-4) 0;
  padding: var(--space-3);
  border-radius: var(--r-md);
  background: rgba(124,92,255,0.07);
  border: 1px solid rgba(124,92,255,0.18);
  font-size: 12.5px; line-height: 1.7; color: var(--ink-700);
}
.drawer-body { flex: 1; overflow-y: auto; padding: var(--space-3) var(--space-4); display: flex; flex-direction: column; gap: var(--space-2); }
.chat-msg { max-width: 86%; padding: 11px 15px; border-radius: 16px; font-size: 13.5px; line-height: 1.7; }
.chat-msg.is-ai { align-self: flex-start; background: rgba(255,255,255,0.8); border: 1px solid var(--glass-border-soft); border-bottom-left-radius: 5px; color: var(--ink-700); }
.chat-msg.is-me { align-self: flex-end; background: linear-gradient(120deg, var(--violet), var(--cyan)); color: #fff; border-bottom-right-radius: 5px; }
/* 结构化追问回复：放宽气泡，规整段落与列表排版 */
.chat-msg.md { max-width: 94%; }
.chat-msg.md > :first-child { margin-top: 0; }
.chat-msg.md > :last-child { margin-bottom: 0; }
.chat-msg.md p { margin: 0 0 9px; }
.chat-msg.md strong { font-weight: 800; color: var(--ink-900, #1a1730); }
.chat-msg.md em { font-style: italic; }
.chat-msg.md ol, .chat-msg.md ul { margin: 6px 0 10px; padding-left: 0; list-style: none; display: flex; flex-direction: column; gap: 8px; }
.chat-msg.md li { position: relative; padding-left: 26px; line-height: 1.7; }
.chat-msg.md ol > li::before {
  content: attr(data-n); position: absolute; left: 0; top: 1px;
  width: 18px; height: 18px; border-radius: 50%;
  background: linear-gradient(135deg, var(--violet), var(--cyan)); color: #fff;
  font-size: 11px; font-weight: 800; display: grid; place-items: center;
}
.chat-msg.md ul > li::before {
  content: ""; position: absolute; left: 6px; top: 8px;
  width: 6px; height: 6px; border-radius: 50%; background: var(--violet);
}
.drawer-suggest { padding: 0 var(--space-4); display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: var(--space-2); }
.drawer-foot {
  padding: var(--space-3) var(--space-4) var(--space-4);
  border-top: 1px solid var(--glass-border-soft);
  display: flex; gap: 10px;
}
.drawer-foot .input { flex: 1; }

/* ---------------- 章节标题 ---------------- */
.section-head { margin: var(--space-6) 0 var(--space-4); }
.section-head .sh-no {
  font-family: var(--font-serif); font-size: 13px; font-weight: 700;
  color: var(--violet); letter-spacing: 0.2em;
}
.section-head .sh-title { font-family: var(--font-serif); font-size: 27px; font-weight: 700; margin: 4px 0 6px; }
.section-head .sh-desc { font-size: 14px; color: var(--ink-500); max-width: 640px; line-height: 1.7; }
.section-head .sh-line { height: 3px; width: 54px; border-radius: 3px; background: linear-gradient(90deg, var(--violet), var(--cyan)); margin-top: 12px; }