/* ==========================================================================
   见策 DecisionSight · 东方时空数理推演与决策分析系统
   视觉设计规范：宋韵宣纸素笺 · 松烟玄墨 · 沉香古金 · 竹青越窑 · 现代高定星盘
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. 设计令牌体系 (Design Tokens & Color Palette)
   -------------------------------------------------------------------------- */
:root {
  /* 基础纸质与背景色调 (Paper & Canvas) */
  --bg-canvas: #fbf9f4;        /* 宣纸暖玉白 */
  --bg-canvas-subtle: #f5f2e9; /* 素笺古绢底 */
  --bg-card: #ffffff;          /* 纯净素白 */
  --bg-card-alt: #faf8f2;      /* 澄心堂纸温润底 */
  --bg-card-hover: #fcfbf7;    /* 悬浮微光质感 */
  --bg-sunken: #f2eee3;        /* 凹陷基座灰 */

  /* 墨色层级 (Pine Smoke Inks) */
  --ink-pure: #161a18;         /* 焦墨 */
  --ink-main: #252b27;         /* 浓墨（正文字色） */
  --ink-secondary: #4d5751;    /* 重墨（副标与说明） */
  --ink-muted: #78857d;        /* 淡墨（辅助与占位） */
  --ink-subtle: #a8b3ac;       /* 烟灰（弱化线条） */

  /* 点睛雅色 (Ceremonial Accents) */
  --accent-gold: #b38848;      /* 沉香古金 */
  --accent-gold-hover: #9c7336;/* 深金 */
  --accent-gold-soft: rgba(179, 136, 72, 0.12); /* 泥金淡晕 */
  --accent-gold-glow: rgba(179, 136, 72, 0.25); /* 金光 */

  --accent-celadon: #2c6356;   /* 竹青 / 越窑秘色（行动与值使） */
  --accent-celadon-light: #e8f2ee; /* 竹青素底 */
  --accent-celadon-hover: #225045;

  --accent-vermilion: #b64536; /* 朱砂古印（值符与警示） */
  --accent-vermilion-soft: rgba(182, 69, 54, 0.1);

  --accent-purple: #6a577d;    /* 紫微气象（用神与神煞） */
  --accent-purple-soft: rgba(106, 87, 125, 0.1);

  /* 边框体系 (Refined Fillet Borders) */
  --border-subtle: rgba(179, 163, 137, 0.28);  /* 极细金铜浅线 */
  --border-medium: rgba(179, 163, 137, 0.45);  /* 标准分隔线 */
  --border-active: #b38848;                     /* 激活金线 */
  --border-focus: #2c6356;                      /* 聚焦青墨线 */

  /* 空间与阴影 (Spatial Shadows & Radii) */
  --shadow-sm: 0 2px 8px rgba(35, 41, 37, 0.04);
  --shadow-md: 0 6px 20px rgba(35, 41, 37, 0.06), 0 1px 3px rgba(35, 41, 37, 0.02);
  --shadow-lg: 0 14px 38px rgba(35, 41, 37, 0.08), 0 2px 6px rgba(35, 41, 37, 0.03);
  --shadow-floating: 0 20px 48px rgba(35, 41, 37, 0.12);
  --shadow-inner: inset 0 1px 3px rgba(35, 41, 37, 0.05);

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-full: 9999px;

  /* 字体家族 (Typography System) */
  --font-serif: "Noto Serif SC", "Songti SC", "Source Han Serif SC", "STSong", "SimSun", serif;
  --font-classical-en: "Cinzel", "Playfair Display", "Georgia", serif;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}

/* --------------------------------------------------------------------------
   2. 全局重置与排版基底 (Base & Reset)
   -------------------------------------------------------------------------- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-canvas);
  color: var(--ink-main);
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
  line-height: 1.65;
  letter-spacing: 0.01em;
  background-image: 
    radial-gradient(ellipse at 50% 0%, rgba(240, 233, 218, 0.6) 0%, transparent 60%),
    linear-gradient(to right, rgba(179, 163, 137, 0.04) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(179, 163, 137, 0.04) 1px, transparent 1px);
  background-size: 100% 100%, 48px 48px, 48px 48px;
}

/* 优雅滚动条 */
::-webkit-scrollbar {
  width: 7px;
  height: 7px;
}
::-webkit-scrollbar-track {
  background: var(--bg-canvas-subtle);
}
::-webkit-scrollbar-thumb {
  background: #d4ccbd;
  border-radius: var(--radius-full);
}
::-webkit-scrollbar-thumb:hover {
  background: var(--accent-gold);
}

/* --------------------------------------------------------------------------
   3. 顶部导航栏 (Ceremonial Header)
   -------------------------------------------------------------------------- */
.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  min-height: 72px;
  padding: 0.9rem clamp(1.2rem, 4vw, 3.5rem);
  background: rgba(251, 249, 244, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-subtle);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 4px 16px rgba(35, 41, 37, 0.03);
}

.logo-group {
  display: flex;
  align-items: center;
  gap: 14px;
  text-decoration: none;
}

.logo-badge {
  width: 42px;
  height: 42px;
  border-radius: 10px;
  background: linear-gradient(135deg, #273a33 0%, #172420 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(179, 136, 72, 0.4);
  box-shadow: 0 3px 10px rgba(23, 36, 32, 0.25), inset 0 1px 1px rgba(255, 255, 255, 0.15);
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.logo-badge:hover {
  transform: rotate(-3deg) scale(1.05);
}

.logo-seal-char {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  font-weight: 900;
  color: #faeed2;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.4);
  line-height: 1;
}

.logo-text h1 {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: 0.03em;
  color: var(--ink-pure);
  line-height: 1.2;
}

.logo-text p {
  font-size: 0.73rem;
  color: var(--ink-muted);
  letter-spacing: 0.04em;
  margin-top: 2px;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: clamp(14px, 2.5vw, 28px);
}

.nav-links {
  display: flex;
  gap: clamp(14px, 2vw, 24px);
  align-items: center;
}

.nav-links a {
  font-family: var(--font-serif);
  font-size: 0.88rem;
  color: var(--ink-secondary);
  text-decoration: none;
  font-weight: 600;
  padding: 6px 2px;
  position: relative;
  transition: color 0.25s ease;
}

.nav-links a::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0%;
  height: 2px;
  background: var(--accent-gold);
  transition: width 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  border-radius: var(--radius-full);
}

.nav-links a:hover {
  color: var(--ink-pure);
}

.nav-links a:hover::after {
  width: 100%;
}

.lang-btn {
  background: #ffffff;
  border: 1px solid var(--border-medium);
  color: var(--ink-main);
  padding: 6px 14px;
  border-radius: var(--radius-full);
  cursor: pointer;
  font-family: var(--font-classical-en);
  font-size: 0.84rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  box-shadow: var(--shadow-sm);
  transition: all 0.25s ease;
}

.lang-btn:hover {
  background: var(--accent-celadon);
  color: #ffffff;
  border-color: var(--accent-celadon);
  box-shadow: 0 3px 12px rgba(44, 99, 86, 0.25);
  transform: translateY(-1px);
}

/* --------------------------------------------------------------------------
   4. Hero 仪式区 (Atmospheric Hero)
   -------------------------------------------------------------------------- */
.main-container {
  max-width: 1440px;
  margin: 0 auto;
  padding: 2.2rem clamp(1rem, 3.5vw, 2.8rem) 3.5rem;
}

.hero-section {
  position: relative;
  text-align: center;
  max-width: 860px;
  margin: 0.5rem auto 2.8rem;
  padding: 1rem 0;
}

.hero-pill {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  background: rgba(179, 136, 72, 0.08);
  border: 1px solid rgba(179, 136, 72, 0.28);
  padding: 5px 16px;
  border-radius: var(--radius-full);
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--accent-gold-hover);
  letter-spacing: 0.06em;
  margin-bottom: 1rem;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.6);
}

.hero-pill-icon {
  font-size: 0.72rem;
  color: var(--accent-gold);
}

.hero-title {
  font-family: var(--font-serif);
  font-size: clamp(1.85rem, 3.5vw, 2.75rem);
  font-weight: 900;
  letter-spacing: -0.015em;
  line-height: 1.25;
  color: var(--ink-pure);
  margin-bottom: 0.85rem;
  text-shadow: 0 1px 1px rgba(255, 255, 255, 0.8);
}

.hero-subtitle {
  color: var(--ink-secondary);
  font-size: clamp(0.92rem, 1.2vw, 1.05rem);
  line-height: 1.8;
  max-width: 720px;
  margin: 0 auto;
}

/* --------------------------------------------------------------------------
   5. 两栏核心工作台 (Core Grid & Quantum Cards)
   -------------------------------------------------------------------------- */
.core-grid {
  display: grid;
  grid-template-columns: minmax(380px, 0.82fr) minmax(0, 1.18fr);
  gap: clamp(1.4rem, 2.5vw, 2.2rem);
  align-items: start;
}

.quantum-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: clamp(1.3rem, 2.2vw, 1.8rem);
  box-shadow: var(--shadow-md);
  position: relative;
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.quantum-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 20px;
  right: 20px;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.8), transparent);
}

.quantum-card:hover {
  border-color: rgba(179, 136, 72, 0.4);
  box-shadow: var(--shadow-lg);
}

.card-title {
  font-family: var(--font-serif);
  font-size: 1.12rem;
  font-weight: 800;
  color: var(--ink-pure);
  display: flex;
  align-items: center;
  gap: 10px;
  padding-bottom: 0.85rem;
  margin-bottom: 1.2rem;
  border-bottom: 1px solid var(--bg-sunken);
  letter-spacing: 0.02em;
}

.card-title svg {
  color: var(--accent-gold);
  flex-shrink: 0;
}

/* 步骤指示 */
.step-heading {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin: 0 0 1.2rem;
}

.step-number {
  display: grid;
  flex: 0 0 30px;
  width: 30px;
  height: 30px;
  place-items: center;
  border: 1px solid rgba(179, 136, 72, 0.35);
  border-radius: 9px;
  background: linear-gradient(135deg, #faf6ee 0%, #f0e7d5 100%);
  color: var(--accent-gold-hover);
  font-family: var(--font-classical-en);
  font-size: 0.78rem;
  font-weight: 800;
  box-shadow: 0 1px 4px rgba(179, 136, 72, 0.1);
}

.step-heading strong {
  display: block;
  font-family: var(--font-serif);
  font-size: 1.02rem;
  font-weight: 800;
  color: var(--ink-pure);
  margin-bottom: 2px;
}

.step-heading p {
  color: var(--ink-muted);
  font-size: 0.82rem;
  line-height: 1.45;
}

/* --------------------------------------------------------------------------
   6. 决策控制台表单体系 (Form Controls & Pills)
   -------------------------------------------------------------------------- */
/* 快捷情境签牌 */
.decision-shortcuts {
  margin: 0 0 1.3rem;
  padding: 1rem 1.1rem;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  background: linear-gradient(180deg, #faf8f3 0%, #f4efe4 100%);
  box-shadow: inset 0 1px 2px rgba(255, 255, 255, 0.8);
}

.shortcut-label {
  display: block;
  font-family: var(--font-serif);
  margin-bottom: 0.7rem;
  color: var(--ink-secondary);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.shortcut-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.decision-shortcut {
  min-height: 42px;
  padding: 8px 12px;
  border: 1px solid rgba(179, 163, 137, 0.35);
  border-radius: var(--radius-sm);
  background: #ffffff;
  color: var(--ink-main);
  font-family: var(--font-sans);
  font-size: 0.8rem;
  font-weight: 650;
  text-align: left;
  cursor: pointer;
  box-shadow: 0 1px 3px rgba(35, 41, 37, 0.03);
  transition: all 0.22s ease;
  line-height: 1.35;
}

.decision-shortcut:hover {
  border-color: var(--accent-gold);
  background: #fdfaf3;
  color: var(--accent-gold-hover);
  transform: translateY(-1px);
  box-shadow: 0 3px 8px rgba(179, 136, 72, 0.15);
}

/* 表单通用 */
.form-group {
  margin-bottom: 1.15rem;
}

.form-label {
  display: block;
  font-family: var(--font-serif);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--ink-main);
  margin-bottom: 6px;
}

.required-mark {
  color: var(--accent-vermilion);
  margin-left: 3px;
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  border: 1px solid #d8d3c5;
  border-radius: var(--radius-sm);
  background: #ffffff;
  color: var(--ink-pure);
  font: inherit;
  font-size: 0.94rem;
  padding: 10px 14px;
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
  box-shadow: inset 0 1px 2px rgba(35, 41, 37, 0.03);
}

.form-input,
.form-select {
  min-height: 44px;
}

.form-textarea {
  resize: vertical;
  line-height: 1.65;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--accent-celadon);
  box-shadow: 0 0 0 3px rgba(44, 99, 86, 0.14), inset 0 1px 2px rgba(35, 41, 37, 0.02);
  background: #ffffff;
}

.question-input {
  min-height: 116px;
  font-family: var(--font-sans);
  font-size: 0.98rem;
  line-height: 1.7;
}

.field-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-top: 6px;
  color: var(--ink-muted);
  font-size: 0.77rem;
}

.form-hint {
  color: var(--ink-muted);
  font-size: 0.78rem;
  line-height: 1.5;
}

/* 领域药丸 Pills */
.topic-pills {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 7px;
  margin: 0;
}

.topic-pill {
  min-height: 36px;
  padding: 6px 10px;
  border: 1px solid rgba(179, 163, 137, 0.35);
  border-radius: var(--radius-sm);
  background: #faf8f4;
  color: var(--ink-secondary);
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  transition: all 0.2s ease;
}

.topic-pill:hover {
  border-color: var(--accent-celadon);
  background: #f3f7f5;
  color: var(--accent-celadon);
}

.topic-pill.active,
.topic-pill[aria-pressed="true"] {
  border-color: var(--accent-celadon);
  background: var(--accent-celadon-light);
  color: var(--accent-celadon);
  font-weight: 750;
  box-shadow: inset 0 0 0 1px var(--accent-celadon);
}

/* 折叠设置详情 */
.question-details,
.advanced-options {
  margin: 0.8rem 0 1rem;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  background: #faf9f5;
  overflow: hidden;
  transition: border-color 0.2s ease;
}

.question-details summary,
.advanced-options summary {
  padding: 10px 14px;
  color: var(--ink-main);
  font-family: var(--font-serif);
  font-size: 0.86rem;
  font-weight: 750;
  cursor: pointer;
  user-select: none;
  background: #f6f3eb;
  transition: background 0.2s ease;
}

.question-details summary:hover,
.advanced-options summary:hover {
  background: #efebe0;
  color: var(--accent-celadon);
}

.question-details[open],
.advanced-options[open] {
  padding-bottom: 12px;
  background: #fdfcf9;
}

.question-details > :not(summary),
.advanced-options > :not(summary) {
  margin-left: 14px;
  margin-right: 14px;
}

.details-note {
  margin: 10px 0 12px !important;
  color: var(--ink-muted);
  font-size: 0.78rem;
}

.grounding-option {
  display: flex;
  align-items: flex-start;
  gap: 9px;
  color: var(--ink-main);
  font-size: 0.84rem;
  cursor: pointer;
  margin-top: 10px;
}

.grounding-option input {
  margin-top: 3px;
  accent-color: var(--accent-celadon);
}

/* 时间与数字 Tabs */
.tab-switch {
  display: flex;
  gap: 4px;
  background: #f2eee3;
  padding: 4px;
  border-radius: var(--radius-sm);
  margin-bottom: 1.1rem;
}

.tab-btn {
  flex: 1;
  min-height: 36px;
  padding: 6px 12px;
  border: none;
  background: transparent;
  color: var(--ink-secondary);
  font-size: 0.84rem;
  font-weight: 700;
  cursor: pointer;
  border-radius: 6px;
  transition: all 0.2s ease;
}

.tab-btn.active {
  background: #ffffff;
  color: var(--accent-celadon);
  box-shadow: 0 1px 4px rgba(35, 41, 37, 0.08);
}

.time-input-row,
.number-entry {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 8px;
}

.btn-quiet {
  min-width: 68px;
  padding: 0 14px;
  border: 1px solid #d8d3c5;
  border-radius: var(--radius-sm);
  background: #ffffff;
  color: var(--ink-secondary);
  font-size: 0.84rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-quiet:hover {
  border-color: var(--accent-celadon);
  background: var(--accent-celadon-light);
  color: var(--accent-celadon);
}

/* 额度卡片与隐私 */
.privacy-note {
  margin: 0.85rem 0 0.5rem;
  color: var(--ink-muted);
  font-size: 0.76rem;
  text-align: center;
}

.quota-line {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin: 0.9rem 0;
  padding: 10px 14px;
  font-size: 0.86rem;
  color: var(--ink-secondary);
  background: #f9f7f2;
  border: 1px solid rgba(179, 136, 72, 0.25);
  border-radius: var(--radius-md);
}

.quota-line strong {
  font-family: var(--font-classical-en);
  color: var(--accent-gold-hover);
  font-size: 1.15rem;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
}

.quota-line.is-exhausted {
  border-color: rgba(182, 69, 54, 0.35);
  background: #fdf5f4;
}

.quota-line.is-exhausted strong {
  color: var(--accent-vermilion);
}

/* 主行动按钮 (Primary Action Button) */
.btn-primary {
  width: 100%;
  min-height: 50px;
  padding: 12px 24px;
  border: 1px solid rgba(179, 136, 72, 0.4);
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, #2c6356 0%, #1e4b41 100%);
  color: #ffffff;
  font-family: var(--font-serif);
  font-size: 1.05rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  box-shadow: 0 4px 16px rgba(30, 75, 65, 0.28), inset 0 1px 1px rgba(255, 255, 255, 0.2);
  transition: all 0.25s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.btn-primary:hover:not(:disabled) {
  background: linear-gradient(135deg, #327364 0%, #23574c 100%);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(30, 75, 65, 0.35), inset 0 1px 1px rgba(255, 255, 255, 0.3);
}

.btn-primary:active:not(:disabled) {
  transform: translateY(0);
}

.btn-primary:disabled {
  opacity: 0.65;
  cursor: wait;
  box-shadow: none;
}

.btn-secondary {
  padding: 8px 18px;
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-sm);
  background: #ffffff;
  color: var(--ink-secondary);
  font-size: 0.86rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-secondary:hover {
  border-color: var(--accent-celadon);
  background: var(--accent-celadon-light);
  color: var(--accent-celadon);
}

/* --------------------------------------------------------------------------
   7. 全息九宫飞盘与盘面元信息 (The Luoshu Palace Astrolabe)
   -------------------------------------------------------------------------- */
.qimen-matrix-wrapper {
  margin-bottom: 1.8rem;
  background: linear-gradient(180deg, #fdfcf9 0%, #f7f4ea 100%);
}

.chart-summary {
  cursor: pointer;
  user-select: none;
  font-family: var(--font-serif);
  font-size: 1.08rem;
  color: var(--ink-pure);
  transition: color 0.2s ease;
}

.chart-summary:hover {
  color: var(--accent-gold-hover);
}

.chart-header-bar {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: 8px;
  padding: 12px 14px;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  background: #ffffff;
  margin-bottom: 1.3rem;
  box-shadow: inset 0 1px 2px rgba(35, 41, 37, 0.02);
}

.meta-chip {
  display: flex;
  flex-direction: column;
  gap: 2px;
  font-size: 0.76rem;
  color: var(--ink-muted);
}

.meta-chip label {
  font-family: var(--font-serif);
  font-size: 0.72rem;
  color: var(--ink-secondary);
  font-weight: 700;
}

.meta-chip span {
  font-family: var(--font-serif);
  font-size: 0.88rem;
  font-weight: 800;
  color: var(--accent-gold-hover);
}

/* 3x3 洛书九宫网格 */
.palace-matrix-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-bottom: 1.2rem;
  background: #ece7db;
  padding: 10px;
  border-radius: var(--radius-md);
  box-shadow: inset 0 2px 6px rgba(35, 41, 37, 0.06);
}

.palace-cell {
  background: #ffffff;
  border: 1px solid rgba(179, 163, 137, 0.4);
  border-radius: 10px;
  padding: 10px 10px 8px;
  position: relative;
  min-height: 142px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  cursor: pointer;
  box-shadow: 0 2px 6px rgba(35, 41, 37, 0.04);
  transition: all 0.25s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.palace-cell:hover {
  transform: translateY(-2px);
  border-color: var(--accent-gold);
  box-shadow: 0 8px 20px rgba(179, 136, 72, 0.18);
  background: #fffdf9;
}

/* 宫位高亮特化 (Highlights) */
.palace-cell.highlight-zhifu {
  border: 2px solid var(--accent-vermilion);
  background: #fdf7f6;
  box-shadow: 0 4px 14px rgba(182, 69, 54, 0.16);
}

.palace-cell.highlight-zhishi {
  border: 2px solid var(--accent-celadon);
  background: #f2f7f5;
  box-shadow: 0 4px 14px rgba(44, 99, 86, 0.16);
}

.palace-cell.highlight-subject {
  border: 2px solid var(--accent-purple);
  background: #f8f5fa;
  box-shadow: 0 4px 14px rgba(106, 87, 125, 0.16);
}

/* 宫位顶部栏 */
.palace-top-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 4px;
}

.palace-name-badge {
  display: flex;
  align-items: center;
  gap: 4px;
  font-family: var(--font-serif);
  font-size: 0.78rem;
  font-weight: 800;
  color: var(--ink-secondary);
}

.trigram-icon {
  font-size: 0.88rem;
  color: var(--accent-gold);
  line-height: 1;
}

.cell-badges {
  display: flex;
  gap: 3px;
}

.tag-badge {
  font-size: 0.66rem;
  padding: 1px 6px;
  border-radius: 4px;
  font-weight: 800;
  letter-spacing: 0.02em;
}

.tag-zhifu {
  background: var(--accent-vermilion);
  color: #ffffff;
}

.tag-zhishi {
  background: var(--accent-celadon);
  color: #ffffff;
}

.tag-subject {
  background: var(--accent-purple);
  color: #ffffff;
}

/* 宫位中核心：天盘与地盘 */
.palace-main-row {
  display: flex;
  align-items: center;
  justify-content: space-around;
  margin: 6px 0;
  padding: 4px 0;
}

.stem-column {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.stem-role-label {
  font-family: var(--font-serif);
  font-size: 0.65rem;
  font-weight: 700;
  color: var(--ink-muted);
  line-height: 1;
  margin-bottom: 2px;
}

.stem-val {
  font-family: var(--font-serif);
  font-size: 1.55rem;
  font-weight: 900;
  line-height: 1.1;
}

.stem-tian {
  color: var(--accent-gold-hover);
  text-shadow: 0 1px 1px rgba(179, 136, 72, 0.15);
}

.stem-di {
  color: #273b33;
}

.stem-divider {
  display: flex;
  align-items: center;
  justify-content: center;
}

.stem-divider-dot {
  width: 4px;
  height: 4px;
  border-radius: var(--radius-full);
  background: #d4ccbd;
}

/* 宫位底栏元信息 */
.palace-footer-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 3px;
  padding-top: 6px;
  border-top: 1px dashed #e9e4d6;
  font-size: 0.76rem;
}

.meta-tag {
  font-family: var(--font-serif);
  font-weight: 700;
  white-space: nowrap;
}

.gate-badge {
  color: var(--accent-celadon);
}

.star-badge {
  color: var(--ink-main);
}

.deity-badge {
  color: var(--accent-purple);
}

.wangshuai-pill {
  font-size: 0.66rem;
  padding: 1px 5px;
  border-radius: 4px;
  background: #f0ecdf;
  color: var(--ink-muted);
}

.wangshuai-pill.wang {
  background: var(--accent-vermilion-soft);
  color: var(--accent-vermilion);
  font-weight: 800;
}

.wangshuai-pill.shuai {
  background: #ebe7db;
  color: #8c9690;
}

/* --------------------------------------------------------------------------
   8. 决策分析报告高定排版 (Prediction Report Card & Typographic Hierarchy)
   -------------------------------------------------------------------------- */
.prediction-report-card {
  min-height: 380px;
}

/* 空状态卡片 (Empty State) */
.report-empty-state {
  text-align: center;
  padding: 2.2rem 1.4rem;
}

.empty-astrolabe-icon {
  margin: 0 auto 1.2rem;
  width: 72px;
  height: 72px;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, #f8f5eb 0%, #ede6d3 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-gold);
  border: 1px solid rgba(179, 136, 72, 0.35);
  box-shadow: 0 4px 16px rgba(179, 136, 72, 0.12);
}

.empty-state-title {
  font-family: var(--font-serif);
  font-size: 1.28rem;
  font-weight: 800;
  color: var(--ink-pure);
  margin-bottom: 0.45rem;
}

.empty-state-subtitle {
  color: var(--ink-secondary);
  font-size: 0.88rem;
  max-width: 520px;
  margin: 0 auto 1.8rem;
  line-height: 1.6;
}

.empty-state-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  text-align: left;
}

.empty-feature-card {
  background: #faf8f3;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 14px 12px;
  box-shadow: var(--shadow-sm);
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.empty-feature-card:hover {
  transform: translateY(-2px);
  border-color: var(--accent-gold);
  background: #ffffff;
}

.feature-tag {
  display: inline-block;
  font-family: var(--font-serif);
  font-size: 0.68rem;
  font-weight: 800;
  color: var(--accent-gold-hover);
  background: rgba(179, 136, 72, 0.12);
  padding: 2px 7px;
  border-radius: 4px;
  margin-bottom: 6px;
}

.empty-feature-card strong {
  display: block;
  font-family: var(--font-serif);
  font-size: 0.88rem;
  color: var(--ink-pure);
  margin-bottom: 4px;
}

.empty-feature-card p {
  color: var(--ink-muted);
  font-size: 0.77rem;
  line-height: 1.5;
  margin: 0;
}

/* 报告正文排版 (Report Content Body) */
.report-content-body {
  font-size: 0.98rem;
  line-height: 1.95;
  color: var(--ink-main);
  overflow-wrap: break-word;
}

.report-section-title,
.report-content-body h3 {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 850;
  color: var(--accent-celadon);
  margin-top: 1.8rem;
  margin-bottom: 0.8rem;
  padding: 6px 12px;
  background: linear-gradient(90deg, rgba(44, 99, 86, 0.08) 0%, transparent 100%);
  border-left: 3px solid var(--accent-gold);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  display: flex;
  align-items: center;
  gap: 8px;
  letter-spacing: 0.02em;
}

.title-seal {
  color: var(--accent-gold);
  font-size: 0.82rem;
}

.report-content-body h4 {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  font-weight: 750;
  color: var(--ink-pure);
  margin-top: 1.2rem;
  margin-bottom: 0.5rem;
}

.report-paragraph {
  margin-bottom: 0.95rem;
  font-size: 0.98rem;
  line-height: 1.9;
  color: var(--ink-main);
}

.report-highlight {
  font-weight: 750;
  color: var(--ink-pure);
  background: rgba(179, 136, 72, 0.12);
  padding: 1px 5px;
  border-radius: 4px;
}

.report-quote,
.report-content-body blockquote {
  margin: 1.2rem 0;
  padding: 12px 18px;
  background: #f7f5ed;
  border-left: 4px solid var(--accent-gold);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-family: var(--font-serif);
  color: var(--ink-main);
  font-size: 0.95rem;
  line-height: 1.8;
  box-shadow: inset 0 1px 2px rgba(35, 41, 37, 0.02);
}

.report-list,
.report-content-body ul,
.report-content-body ol {
  margin: 0.8rem 0 1rem 0;
  padding-left: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.report-list-item,
.report-content-body li {
  position: relative;
  padding-left: 20px;
  line-height: 1.8;
  color: var(--ink-main);
}

.report-list-item::before,
.report-content-body li::before {
  content: "✦";
  position: absolute;
  left: 0;
  top: 0;
  color: var(--accent-gold);
  font-size: 0.72rem;
}

.report-spacer {
  height: 6px;
  margin: 0;
}

/* --------------------------------------------------------------------------
   9. 全息微观解构模态弹窗 (Palace Holographic Modal)
   -------------------------------------------------------------------------- */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(22, 26, 24, 0.65);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 999;
  padding: 1rem;
}

.modal-overlay.active {
  display: flex;
}

.modal-dialog {
  background: #ffffff;
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 580px;
  padding: 2rem 2.2rem;
  position: relative;
  box-shadow: var(--shadow-floating);
  animation: modalPop 0.28s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes modalPop {
  0% { transform: scale(0.92); opacity: 0; }
  100% { transform: scale(1); opacity: 1; }
}

.modal-close-btn {
  position: absolute;
  top: 18px;
  right: 18px;
  width: 32px;
  height: 32px;
  border-radius: var(--radius-full);
  background: #f4efe4;
  border: none;
  color: var(--ink-secondary);
  font-size: 1.2rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
}

.modal-close-btn:hover {
  background: var(--accent-vermilion);
  color: #ffffff;
  transform: rotate(90deg);
}

.modal-dialog h3 {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  font-weight: 900;
  color: var(--ink-pure);
  margin-bottom: 1.3rem;
  display: flex;
  align-items: center;
  gap: 8px;
}

.modal-trigram {
  color: var(--accent-gold);
  font-size: 1.45rem;
}

.modal-detail-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-bottom: 1.4rem;
}

.modal-detail-card {
  background: #faf8f3;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
}

.modal-detail-card.full-span {
  grid-column: 1 / -1;
}

.detail-label {
  display: block;
  font-family: var(--font-serif);
  font-size: 0.74rem;
  color: var(--ink-muted);
  margin-bottom: 4px;
}

.detail-value {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 850;
  line-height: 1.2;
}

.detail-sub {
  font-size: 0.74rem;
  color: var(--ink-secondary);
  margin-top: 3px;
}

.text-gold { color: var(--accent-gold-hover); }
.text-sage { color: #273b33; }
.text-primary { color: var(--accent-celadon); }
.text-dark { color: var(--ink-pure); }
.text-purple { color: var(--accent-purple); }

.omen-text {
  font-size: 0.94rem !important;
  color: var(--accent-celadon) !important;
  line-height: 1.6;
}

.modal-footer-note {
  padding: 12px 14px;
  background: #f7f4ea;
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  color: var(--ink-secondary);
  line-height: 1.6;
}

/* --------------------------------------------------------------------------
   10. 下部内容板块 (Methods, Precision, Library, FAQ, Support, Contact)
   -------------------------------------------------------------------------- */
.info-section {
  margin-top: 5rem;
  padding-top: 3.5rem;
  border-top: 1px solid var(--border-subtle);
  scroll-margin-top: 90px;
}

.section-title {
  font-family: var(--font-serif);
  font-size: 1.55rem;
  font-weight: 900;
  color: var(--ink-pure);
  letter-spacing: 0.02em;
  margin-bottom: 0.85rem;
  display: flex;
  align-items: center;
  gap: 12px;
}

.section-title::before {
  content: "";
  display: block;
  width: 4px;
  height: 22px;
  background: var(--accent-gold);
  border-radius: 2px;
}

.section-lead {
  font-size: 1rem;
  line-height: 1.85;
  color: var(--ink-main);
  max-width: 860px;
  margin-bottom: 1.8rem;
}

.section-body {
  font-size: 0.94rem;
  line-height: 1.9;
  color: var(--ink-secondary);
  max-width: 860px;
  margin-bottom: 1.2rem;
}

/* 推演四步卡片 (Method 4-Steps) */
.step-cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 2rem;
}

.step-card {
  background: #ffffff;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 22px 18px;
  box-shadow: var(--shadow-sm);
  position: relative;
  transition: all 0.25s ease;
}

.step-card:hover {
  transform: translateY(-3px);
  border-color: var(--accent-gold);
  box-shadow: var(--shadow-md);
}

.step-num {
  font-family: var(--font-classical-en);
  font-size: 0.82rem;
  font-weight: 800;
  color: var(--accent-gold);
  letter-spacing: 0.1em;
  display: block;
  margin-bottom: 8px;
}

.step-card strong {
  display: block;
  font-family: var(--font-serif);
  font-size: 1.05rem;
  color: var(--ink-pure);
  margin-bottom: 6px;
}

.step-card p {
  color: var(--ink-secondary);
  font-size: 0.84rem;
  line-height: 1.7;
}

/* 原则列表 */
.sub-title {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--ink-pure);
  margin: 2rem 0 1rem;
}

.principle-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-width: 860px;
}

.principle-list li {
  position: relative;
  padding: 14px 18px 14px 44px;
  background: #ffffff;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  font-size: 0.92rem;
  line-height: 1.75;
  color: var(--ink-main);
  box-shadow: var(--shadow-sm);
}

.principle-list li::before {
  content: "◆";
  position: absolute;
  left: 18px;
  top: 14px;
  color: var(--accent-gold);
  font-size: 0.78rem;
}

/* 真太阳时对照表 (Precision Table) */
.precision-table-wrap {
  margin-top: 1.5rem;
  max-width: 680px;
}

.table-caption {
  font-family: var(--font-serif);
  font-size: 0.92rem;
  font-weight: 800;
  color: var(--ink-pure);
  margin-bottom: 0.75rem;
}

.precision-table {
  width: 100%;
  border-collapse: collapse;
  background: #ffffff;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  font-size: 0.9rem;
}

.precision-table th {
  padding: 12px 18px;
  background: #f7f4ea;
  color: var(--ink-secondary);
  font-family: var(--font-serif);
  font-weight: 800;
  text-align: left;
  border-bottom: 1px solid var(--border-subtle);
}

.precision-table td {
  padding: 11px 18px;
  color: var(--ink-main);
  border-bottom: 1px solid #f3efe6;
  font-variant-numeric: tabular-nums;
}

.precision-table tr:hover td {
  background: #fdfaf3;
}

.table-note {
  margin-top: 8px;
  font-size: 0.78rem;
  color: var(--ink-muted);
}

/* 知识库折叠文章 (Articles) */
.article-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-width: 860px;
}

.article {
  background: #ffffff;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: border-color 0.2s ease;
}

.article:hover {
  border-color: rgba(179, 136, 72, 0.5);
}

.article summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  cursor: pointer;
  font-family: var(--font-serif);
  font-size: 0.98rem;
  font-weight: 800;
  color: var(--ink-pure);
  list-style: none;
  user-select: none;
}

.article summary::-webkit-details-marker { display: none; }

.article summary::after {
  content: "＋";
  color: var(--accent-gold);
  font-size: 1.1rem;
  font-weight: 700;
}

.article[open] summary::after {
  content: "－";
}

.article summary em {
  font-style: normal;
  font-size: 0.76rem;
  color: var(--ink-muted);
  margin-left: auto;
  margin-right: 14px;
}

.article p {
  padding: 0 20px 20px;
  color: var(--ink-secondary);
  font-size: 0.92rem;
  line-height: 1.9;
  border-top: 1px dashed #f2ece0;
  padding-top: 14px;
}

/* 常见问题 (FAQ) */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-width: 860px;
}

.faq {
  background: #ffffff;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.faq summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 18px;
  cursor: pointer;
  font-family: var(--font-serif);
  font-size: 0.92rem;
  font-weight: 750;
  color: var(--ink-main);
  list-style: none;
}

.faq summary::-webkit-details-marker { display: none; }

.faq summary::after {
  content: "＋";
  color: var(--accent-gold);
  font-size: 1rem;
}

.faq[open] summary::after {
  content: "－";
}

.faq p {
  padding: 0 18px 16px;
  color: var(--ink-secondary);
  font-size: 0.88rem;
  line-height: 1.8;
  border-top: 1px dashed #f4efe4;
  padding-top: 10px;
}

/* --------------------------------------------------------------------------
   11. 古籍书架与支持通道 (Ancient Classics Library & Patronage)
   -------------------------------------------------------------------------- */
.support-library {
  margin-top: 5rem;
  padding-top: 3.5rem;
  border-top: 1px solid var(--border-subtle);
}

.support-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.support-panel {
  background: #ffffff;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 24px 26px;
  box-shadow: var(--shadow-md);
}

.panel-heading {
  font-family: var(--font-serif);
  font-size: 1.22rem;
  font-weight: 900;
  color: var(--ink-pure);
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.panel-heading::before {
  content: "";
  display: block;
  width: 4px;
  height: 18px;
  background: var(--accent-gold);
  border-radius: 2px;
}

.panel-intro {
  color: var(--ink-secondary);
  font-size: 0.88rem;
  line-height: 1.7;
  margin-bottom: 1.4rem;
}

/* 古籍书目线装书风 */
.book-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.book-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 20px;
  background: linear-gradient(135deg, #ffffff 0%, #faf7f0 100%);
  border: 1px solid rgba(179, 136, 72, 0.35);
  border-radius: var(--radius-md);
  box-shadow: 0 2px 8px rgba(35, 41, 37, 0.04);
  position: relative;
  overflow: hidden;
  transition: all 0.28s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.book-item:hover {
  transform: translateX(4px) translateY(-1px);
  border-color: var(--accent-gold);
  box-shadow: 0 8px 24px rgba(179, 136, 72, 0.16);
}

.book-seal-spine {
  width: 5px;
  height: 38px;
  border-radius: 3px;
  background: linear-gradient(180deg, var(--accent-gold) 0%, #8a652f 100%);
  box-shadow: 1px 0 3px rgba(179, 136, 72, 0.25);
  flex-shrink: 0;
}

.book-info-col {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.book-title {
  font-family: var(--font-serif);
  font-size: 1.05rem;
  font-weight: 850;
  color: var(--ink-pure);
  letter-spacing: 0.02em;
}

.book-subtitle {
  font-size: 0.78rem;
  color: var(--ink-muted);
}

.book-action-col {
  flex-shrink: 0;
}

.book-link {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-family: var(--font-serif);
  font-size: 0.82rem;
  font-weight: 800;
  color: #ffffff;
  background: linear-gradient(135deg, #2c6356 0%, #1f4b41 100%);
  padding: 7px 16px;
  border-radius: var(--radius-full);
  text-decoration: none;
  white-space: nowrap;
  box-shadow: 0 2px 8px rgba(44, 99, 86, 0.25);
  transition: all 0.22s ease;
}

.book-link:hover {
  background: linear-gradient(135deg, #357465 0%, #25584d 100%);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(44, 99, 86, 0.32);
}

.book-link.is-pending {
  background: #ece7db;
  color: var(--ink-muted);
  box-shadow: none;
  cursor: default;
}

/* 支持作者 */
.sponsor-actions {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.sponsor-btn {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 18px;
  background: #ffffff;
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-md);
  text-decoration: none;
  box-shadow: var(--shadow-sm);
  transition: all 0.25s ease;
}

.sponsor-btn:hover {
  border-color: var(--accent-gold);
  background: #fdfaf3;
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.sponsor-btn.is-static:hover {
  border-color: var(--border-medium);
  background: #ffffff;
  transform: none;
}

.sponsor-icon {
  font-size: 1.45rem;
  line-height: 1;
}

.sponsor-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.sponsor-text strong {
  font-family: var(--font-serif);
  font-size: 0.95rem;
  font-weight: 800;
  color: var(--ink-pure);
}

.sponsor-text em {
  font-style: normal;
  font-size: 0.78rem;
  color: var(--ink-muted);
}

.wechat-qr-wrap {
  margin-top: 18px;
  text-align: center;
  padding: 14px;
  background: #faf8f3;
  border-radius: var(--radius-md);
  border: 1px dashed rgba(179, 136, 72, 0.4);
}

.wechat-qr {
  max-width: 170px;
  border-radius: 10px;
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-sm);
}

.qr-hint {
  font-size: 0.78rem;
  color: var(--ink-muted);
  margin-top: 8px;
}

.voluntary-note {
  margin-top: 14px;
  font-size: 0.8rem;
  color: var(--ink-muted);
  text-align: center;
}

/* --------------------------------------------------------------------------
   12. 联系与咨询委托 (Contact Grid)
   -------------------------------------------------------------------------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  max-width: 720px;
}

.contact-card {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 18px;
  background: #ffffff;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

.contact-label {
  font-family: var(--font-serif);
  font-size: 0.8rem;
  font-weight: 750;
  color: var(--ink-secondary);
}

.contact-value {
  font-family: var(--font-classical-en);
  font-size: 0.98rem;
  font-weight: 700;
  color: var(--ink-pure);
  margin-left: auto;
  font-variant-numeric: tabular-nums;
}

.contact-copy {
  padding: 5px 14px;
  font-family: var(--font-sans);
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--accent-gold-hover);
  background: #faf7f0;
  border: 1px solid rgba(179, 136, 72, 0.4);
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all 0.2s ease;
}

.contact-copy:hover {
  background: var(--accent-gold);
  color: #ffffff;
}

.contact-note {
  margin-top: 16px;
  font-size: 0.82rem;
  color: var(--ink-muted);
}

/* --------------------------------------------------------------------------
   13. 页脚 (Footer & Disclaimer)
   -------------------------------------------------------------------------- */
.footer {
  text-align: center;
  padding: 3rem 1.5rem;
  color: var(--ink-muted);
  font-size: 0.86rem;
  border-top: 1px solid var(--border-subtle);
  margin-top: 4rem;
  background: #f8f6f0;
}

.footer p[data-i18n="footerBrand"] {
  font-family: var(--font-serif);
  font-size: 1rem;
  font-weight: 800;
  color: var(--ink-pure);
  margin-bottom: 6px;
}

.site-footer {
  margin-top: 40px;
  padding: 20px;
  text-align: center;
  font-size: 12px;
  color: var(--ink-muted);
  border-top: 1px solid var(--border-subtle);
}

/* --------------------------------------------------------------------------
   14. 响应式系统 (Responsive Layouts)
   -------------------------------------------------------------------------- */
@media (min-width: 1025px) {
  .core-grid > section {
    position: sticky;
    top: 90px;
    max-height: calc(100vh - 110px);
    overflow-y: auto;
    overscroll-behavior: contain;
    padding-right: 4px;
  }
}

@media (max-width: 1024px) {
  .core-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  .step-cards {
    grid-template-columns: repeat(2, 1fr);
  }
  .support-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .navbar {
    padding: 0.75rem 1rem;
  }
  .nav-links {
    display: none;
  }
  .empty-state-grid {
    grid-template-columns: 1fr;
  }
  .contact-grid {
    grid-template-columns: 1fr;
  }
  .palace-matrix-grid {
    gap: 6px;
    padding: 6px;
  }
  .palace-cell {
    min-height: 118px;
    padding: 7px 6px;
  }
  .stem-val {
    font-size: 1.25rem;
  }
  .step-cards {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .topic-pills {
    grid-template-columns: repeat(2, 1fr);
  }
  .shortcut-grid {
    grid-template-columns: 1fr;
  }
}

/* --------------------------------------------------------------------------
   Utility: 元素隐藏（用于资源缺失时优雅降级，避免破图与 404 噪音）
   -------------------------------------------------------------------------- */
.is-hidden {
  display: none !important;
}