/* LifeChart Web — 对齐 App「Bloomberg 财经暗黑」设计系统 */
@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;500&display=swap');

:root {
  /* === 背景层级（LifeChartTheme 精确匹配）=== */
  --bg-base: #0C0C0E;        /* 页面底 bgBase */
  --bg-container: #1C1C1E;   /* 卡片 bgContainer */
  --bg-elevated: #2C2C2E;    /* 浮起/输入框 bgElevated */
  --bg-spotlight: #2C2416;   /* 选中/高亮 bgSpotlight（配橙色） */

  /* === 边框 === */
  --border: #2C2C2E;
  --border-subtle: #1C1C1E;

  /* === 主色（Bloomberg 橙）=== */
  --primary: #FF9500;
  --primary-hover: #FFB340;

  /* === 文字 === */
  --text-base: #FFFFFF;
  --text-secondary: #8E8E93;
  --text-tertiary: #636366;

  /* === 涨跌（中国习惯：红涨绿跌）=== */
  --up: #FF3B30;
  --down: #34C759;

  /* === 运势等级 / 宜忌 === */
  --luck-ji: #FF3B30;
  --luck-xiong: #B0B0B0;
  --luck-ping: #1E88E5;
  --yi: #34C759;
  --ji: #FF3B30;

  /* === 五行标准色 === */
  --wx-wood: #34C759;
  --wx-fire: #E53935;
  --wx-earth: #8B7355;
  --wx-metal: #D4AF37;
  --wx-water: #1E88E5;

  /* === K 线 / 图表 === */
  --gold-color: #D4A017;
  --ma5: #FF9500;
  --ma20: #AF52DE;
  --ping-line: #8E8E93;
  --golden-cross: #34C759;
  --dead-cross: #FF3B30;

  /* 兼容旧别名（逐步替换中） */
  --ink-950: var(--bg-base);
  --ink-900: var(--bg-container);
  --ink-800: var(--bg-elevated);
  --gold: var(--primary);
  --gold-bright: var(--primary-hover);
  --gold-dim: #B36B00;
  --text-primary: var(--text-base);
  --text-muted: var(--text-tertiary);

  /* 字体：与 App 一致用系统无衬线；数字用等宽 */
  --font-sans: -apple-system, BlinkMacSystemFont, 'SF Pro Text', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --font-serif: 'Songti SC', 'Noto Serif SC', serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', 'DIN Alternate', monospace;

  /* 圆角（LifeChartTheme radius）*/
  --radius-lg: 16px;
  --radius-md: 12px;
  --radius: 8px;

  --max-w: 1200px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  background: var(--bg-base);
  color: var(--text-base);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* ===== 背景纹理（近黑 + 极淡暖光，对齐 App 无重纹理）===== */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background:
    radial-gradient(ellipse at 50% 0%, rgba(255,149,0,0.03) 0%, transparent 55%);
  pointer-events: none;
  z-index: 0;
}

.content-wrap { position: relative; z-index: 1; }

/* ===== 通用排版 ===== */
h1, h2, h3, .serif {
  font-family: var(--font-serif);
  font-weight: 700;
}

.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 clamp(20px, 4vw, 48px);
}

/* ===== 金线分隔 ===== */
.gold-rule {
  border: none;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold-dim), transparent);
  margin: 48px 0;
}

/* ===== 按钮 ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 32px;
  font-family: var(--font-serif);
  font-size: 16px;
  font-weight: 600;
  letter-spacing: 0.12em;
  border: none;
  cursor: pointer;
  transition: all 0.25s ease;
  text-decoration: none;
  border-radius: var(--radius);
}

.btn-primary {
  background: linear-gradient(135deg, var(--gold), var(--gold-dim));
  color: var(--ink-950);
}
.btn-primary:hover {
  background: linear-gradient(135deg, var(--gold-bright), var(--gold));
  transform: translateY(-1px);
  box-shadow: 0 8px 24px rgba(255,149,0,0.25);
}

.btn-outline {
  background: transparent;
  color: var(--gold);
  border: 1px solid var(--gold-dim);
}
.btn-outline:hover {
  background: rgba(255,149,0,0.1);
  border-color: var(--gold);
}

.btn-large {
  padding: 18px 48px;
  font-size: 18px;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none !important;
}

/* ===== 落地页 Hero ===== */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  position: relative;
  padding: 80px 24px 60px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  border: 1px solid var(--gold-dim);
  border-radius: 999px;
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--gold);
  margin-bottom: 32px;
  text-transform: uppercase;
}

.hero-title {
  font-family: var(--font-serif);
  font-size: clamp(42px, 8vw, 88px);
  font-weight: 900;
  line-height: 1.15;
  letter-spacing: 0.08em;
  background: linear-gradient(180deg, var(--gold-bright) 0%, var(--gold) 50%, var(--gold-dim) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 24px;
}

.hero-sub {
  font-family: var(--font-serif);
  font-size: clamp(18px, 2.5vw, 24px);
  color: var(--text-secondary);
  letter-spacing: 0.15em;
  margin-bottom: 16px;
}

.hero-desc {
  max-width: 580px;
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.9;
  margin-bottom: 48px;
}

.hero-cta { display: flex; gap: 16px; flex-wrap: wrap; justify-content: center; }

/* ===== 八卦装饰环 ===== */
.bagua-ring {
  width: min(420px, 70vw);
  height: min(420px, 70vw);
  margin: 40px auto;
  position: relative;
  opacity: 0.35;
}

.bagua-ring svg {
  width: 100%;
  height: 100%;
  animation: spin-slow 120s linear infinite;
}

@keyframes spin-slow {
  to { transform: rotate(360deg); }
}

/* ===== 特性卡片区 ===== */
.features {
  padding: 80px 0;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}

.feature-card {
  background: linear-gradient(160deg, var(--ink-900), var(--ink-800));
  border: 1px solid rgba(255,149,0,0.12);
  border-radius: 4px;
  padding: 36px 28px;
  transition: border-color 0.3s, transform 0.3s;
}
.feature-card:hover {
  border-color: rgba(255,149,0,0.35);
  transform: translateY(-4px);
}

.feature-icon {
  font-size: 36px;
  margin-bottom: 16px;
  display: block;
}

.feature-card h3 {
  font-size: 20px;
  color: var(--gold);
  letter-spacing: 0.1em;
  margin-bottom: 12px;
}

.feature-card p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.8;
}

/* ===== 量化演示区 ===== */
.quant-demo {
  padding: 80px 0;
  text-align: center;
}

.section-label {
  display: inline-block;
  font-family: var(--font-serif);
  font-size: 13px;
  letter-spacing: 0.35em;
  color: var(--gold-dim);
  border-bottom: 1px solid var(--gold-dim);
  padding-bottom: 8px;
  margin-bottom: 20px;
}

.section-title {
  font-family: var(--font-serif);
  font-size: clamp(28px, 4vw, 42px);
  color: var(--text-primary);
  letter-spacing: 0.12em;
  margin-bottom: 16px;
}

.section-desc {
  max-width: 540px;
  margin: 0 auto 48px;
  color: var(--text-muted);
  font-size: 15px;
  line-height: 1.9;
}

/* 五行雷达图 */
.wuxing-radar-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
}

.wuxing-radar-canvas {
  width: min(320px, 80vw);
  height: min(320px, 80vw);
}

.wuxing-legend {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px;
}

.wx-legend-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-serif);
  font-size: 14px;
  color: var(--text-secondary);
}

.wx-legend-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.wx-legend-val {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--text-muted);
}

/* 五维曲线图例 */
.dim-legend-item {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-family: var(--font-serif);
  font-size: 13px;
  color: var(--text-secondary);
  letter-spacing: 0.08em;
}

.dim-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}

/* 落地页五维演示图表 */
.dim-demo-wrap {
  max-width: 800px;
  margin: 0 auto;
}

/* ============================================================
   App 同款组件：日期导航 / 日历段 / 结果高亮 / 详情网格
   ============================================================ */

/* 日期导航标题栏 */
.today-titlebar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6px 4px 14px;
}
.date-nav {
  background: none;
  border: none;
  color: var(--primary);
  font-size: 28px;
  font-weight: 700;
  cursor: pointer;
  width: 40px;
  line-height: 1;
}
.date-nav:hover { color: var(--primary-hover); }
.date-nav-title {
  font-family: var(--font-sans);
  font-size: 18px;
  font-weight: 600;
  color: var(--primary);
  letter-spacing: 0.02em;
}
.date-nav-title small {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-secondary);
  margin-left: 8px;
  letter-spacing: 0;
}

/* 主运势卡 */
.main-luck-card { padding: 0; overflow: hidden; }

/* 卡内分割线 */
.card-divider {
  height: 1px;
  background: var(--border);
  margin: 0 16px;
}

/* 日历段 */
.cal-section {
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.cal-row {
  display: flex;
  align-items: center;
  gap: 10px;
}
.cal-gregorian {
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 500;
  color: var(--text-base);
}
.cal-weekday {
  font-size: 13px;
  color: var(--text-secondary);
}
.cal-sub {
  font-size: 12px;
  color: var(--text-secondary);
}
.cal-term {
  color: var(--primary);
  background: var(--bg-spotlight);
  padding: 1px 8px;
  border-radius: 4px;
  font-size: 11px;
}
.cal-festival {
  color: var(--up);
}
.cal-ganzhi {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--text-base);
  margin-top: 2px;
  letter-spacing: 0.05em;
}

/* 结果段 */
.result-section {
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.result-label {
  font-size: 12px;
  font-weight: 500;
  color: var(--text-secondary);
}
.result-highlight {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--bg-spotlight);
  border-radius: var(--radius);
  padding: 12px 16px;
}
.result-level {
  color: var(--primary);
  font-size: 16px;
  font-weight: 600;
}
.result-score {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--text-base);
  font-size: 16px;
  font-weight: 600;
  font-family: var(--font-mono);
}
.result-delta { font-size: 15px; font-weight: 500; }
.result-delta.up { color: var(--up); }
.result-delta.down { color: var(--down); }

.result-progress {
  height: 10px;
  background: var(--bg-elevated);
  border-radius: 4px;
  overflow: hidden;
}
.result-progress-fill {
  height: 100%;
  border-radius: 4px;
  transition: width 0.8s ease;
}
.result-progress-fill.luck-ji { background: var(--luck-ji); }
.result-progress-fill.luck-ping { background: var(--luck-ping); }
.result-progress-fill.luck-xiong { background: var(--luck-xiong); }

.result-interpret {
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 20px;
}

/* 详情网格 */
.detail-grid {
  padding: 8px 16px 16px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px 16px;
}
.dg-cell { display: flex; flex-direction: column; gap: 4px; }
.dg-label {
  font-size: 12px;
  color: var(--text-secondary);
}
.dg-value {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-base);
  line-height: 1.4;
}

/* 通用卡片小标题（App 风格，替代大 serif 标题） */
.v-card-label {
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 12px;
}

/* 十二时辰 6 曲线图例 */
.hour-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 14px;
  align-items: center;
}
.hour-legend .dim-legend-item {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-family: var(--font-sans);
  font-size: 11px;
  color: var(--text-secondary);
}
.hour-legend .dim-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}

/* ============================================================
   流年 / 问卜 / 我的 — App 同款组件
   ============================================================ */

/* 尺度切换（日/周/月） */
.scale-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
}
.scale-tab {
  padding: 6px 18px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: transparent;
  color: var(--text-secondary);
  font-family: var(--font-sans);
  font-size: 13px;
  cursor: pointer;
  transition: all 0.2s;
}
.scale-tab.active {
  background: var(--bg-spotlight);
  border-color: var(--primary);
  color: var(--primary);
}

/* 起卦步骤 */
.wenbu-steps { display: flex; flex-direction: column; gap: 14px; }
.wenbu-step { display: flex; gap: 12px; align-items: flex-start; }
.ws-num {
  width: 22px; height: 22px;
  border-radius: 50%;
  background: var(--primary);
  color: var(--bg-base);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  margin-top: 2px;
}
.ws-title { font-size: 14px; font-weight: 500; color: var(--text-base); margin-bottom: 2px; }
.ws-desc { font-size: 12px; color: var(--text-secondary); line-height: 1.7; }

/* 问卜配额 */
.wenbu-quota {
  text-align: center;
  font-size: 12px;
  color: var(--text-secondary);
  margin-top: 12px;
}
.wenbu-quota b { color: var(--primary); font-family: var(--font-mono); }

/* 卦块（本卦/变卦） */
.hex-block {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-top: 18px;
}
.hex-label {
  font-family: var(--font-sans);
  font-size: 11px;
  letter-spacing: 0.15em;
  color: var(--text-secondary);
  margin-bottom: 10px;
}
.hex-block .hexagram { margin: 0; }
.hex-block .hex-name { margin-top: 10px; }

/* 我的：VIP 行 */
.me-vip-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px !important;
  cursor: pointer;
}
.me-vip-right { display: flex; align-items: center; gap: 8px; }
.me-vip-badge {
  font-size: 13px;
  color: var(--text-secondary);
}

/* 我的：信息列表 */
.info-list { display: flex; flex-direction: column; gap: 12px; }
.info-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.info-label { font-size: 13px; color: var(--text-secondary); }
.info-value {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--text-base);
}

/* 我的：八字四柱卡 */
.bazi-pillars {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
}
.bp-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 8px;
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.bp-label { font-size: 11px; color: var(--text-secondary); }
.bp-ganzhi {
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: 0.05em;
  line-height: 1.2;
}
.bp-wuxing { font-family: var(--font-mono); font-size: 11px; color: var(--text-tertiary); }

/* ============================================================
   问卜：按住摇卦交互（PC/触屏）
   ============================================================ */
.shake-card { text-align: center; }

/* 摇卦舞台 */
.shake-stage {
  display: flex;
  justify-content: center;
  align-items: flex-end;
  height: 180px;
  margin: 12px 0 18px;
  position: relative;
}

/* 卦桶（真实图 shake_tube.png） */
.guan-tube {
  position: relative;
  width: 120px;
  height: 160px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.tube-img {
  width: 120px;
  height: 160px;
  object-fit: contain;
  filter: drop-shadow(0 10px 24px rgba(0,0,0,0.45));
  pointer-events: none;
}

/* 落币视频（松手后播放） */
.coin-video {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 220px;
  height: 165px;
  object-fit: contain;
  z-index: 5;
  pointer-events: none;
  opacity: 0;
}
.coin-video.playing { opacity: 1; }

/* 桶内铜钱（摇动时可见/飞出） */
.tube-coins {
  position: absolute;
  top: 20px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 6px;
  opacity: 0;
  pointer-events: none;
  z-index: 4;
}
.coin-flip {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background-size: cover;
  background-position: center;
  box-shadow: 0 3px 8px rgba(0,0,0,0.4);
}
.coin-flip.yang, .tc-face.yang {
  background-image: url('/assets/img/yang.png');
}
.coin-flip.yin, .tc-face.yin {
  background-image: url('/assets/img/yin.png');
}

/* 摇动动画 */
/* 摇动动画：以右下角为圆心，上下抖动（模拟手摇卦筒） */
.guan-tube.shaking .tube-img {
  transform-origin: 100% 100%;  /* 右下角为圆心 */
  animation: tubeShake 0.6s ease-in-out infinite;
}
@keyframes tubeShake {
  0%   { transform: rotate(0deg); }
  25%  { transform: rotate(-11deg); }
  50%  { transform: rotate(0deg); }
  75%  { transform: rotate(9deg); }
  100% { transform: rotate(0deg); }
}
/* 摇动时桶内铜钱随筒轻晃 */
.guan-tube.shaking .tube-coins { opacity: 0.7; animation: coinRattle 0.6s ease-in-out infinite; }
@keyframes coinRattle {
  0%,100% { transform: translateX(-50%) translateY(0) rotate(0); }
  25% { transform: translateX(-50%) translateY(-6px) rotate(-6deg); }
  75% { transform: translateX(-50%) translateY(-3px) rotate(5deg); }
}

/* 松手掷币：铜钱抛出 */
.tube-coins.thrown { opacity: 1; animation: coinThrow 0.5s ease; }
@keyframes coinThrow {
  0% { transform: translateX(-50%) translateY(0) scale(0.6); opacity: 0; }
  60% { transform: translateX(-50%) translateY(-40px) scale(1.1); opacity: 1; }
  100% { transform: translateX(-50%) translateY(0) scale(1); opacity: 1; }
}

/* 按住摇卦按钮 */
.shake-btn {
  width: 100%;
  padding: 18px;
  border: 2px solid var(--primary);
  border-radius: var(--radius);
  background: var(--bg-spotlight);
  color: var(--primary);
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 600;
  letter-spacing: 0.2em;
  cursor: pointer;
  user-select: none;
  -webkit-user-select: none;
  touch-action: none;
  transition: transform 0.1s, background 0.2s;
}
.shake-btn:hover { background: rgba(255,149,0,0.14); }
.shake-btn.holding {
  background: var(--primary);
  color: var(--bg-base);
  transform: scale(0.97);
}
.shake-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* 掷币结果（3 枚正反） */
.throw-result {
  min-height: 62px;
  margin: 16px 0 8px;
  display: flex;
  justify-content: center;
  gap: 16px;
}
.throw-coin {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}
.throw-coin .tc-face {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-serif);
  font-size: 16px;
  font-weight: 700;
  color: var(--ink-950);
  background-size: cover;
  background-position: center;
  box-shadow: 0 4px 12px rgba(0,0,0,0.35);
}
.throw-coin .tc-face.yang {
  background-image: url('/assets/img/yang.png');
}
.throw-coin .tc-face.yin {
  background-image: url('/assets/img/yin.png');
}
.throw-coin .tc-label {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-secondary);
}
.throw-coin.appear { animation: coinAppear 0.4s ease; }
@keyframes coinAppear {
  from { transform: translateY(-16px) scale(0.5); opacity: 0; }
  to { transform: translateY(0) scale(1); opacity: 1; }
}

/* 成卦进度 */
.build-wrap { margin-top: 16px; }
.hexagram.building .yao.empty {
  width: 88px;
  height: 12px;
  border-radius: 2px;
  background: var(--bg-elevated);
  opacity: 0.45;
}
.hexagram.building .yao.yang.new,
.hexagram.building .yao.yin.new {
  animation: yaoDrop 0.45s ease;
}
@keyframes yaoDrop {
  from { transform: translateY(-14px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

#yaoProgress {
  font-family: var(--font-mono);
  color: var(--primary);
  margin-left: 8px;
}

/* ============================================================
   登录/注册浮层
   ============================================================ */
.login-modal {
  position: fixed;
  inset: 0;
  z-index: 500;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.login-modal.visible { display: flex; }

.login-modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(6,6,8,0.72);
  backdrop-filter: blur(4px);
}

.login-modal-card {
  position: relative;
  width: 100%;
  max-width: 380px;
  background: linear-gradient(160deg, var(--bg-container), var(--ink-900));
  border: 1px solid rgba(255,149,0,0.18);
  border-radius: 16px;
  padding: 32px 26px 26px;
  box-shadow: 0 24px 60px rgba(0,0,0,0.5);
  animation: modalIn 0.28s ease;
  max-height: 90vh;
  overflow-y: auto;
}
@keyframes modalIn {
  from { opacity: 0; transform: translateY(20px) scale(0.96); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

.login-modal-close {
  position: absolute;
  top: 14px;
  right: 14px;
  width: 32px;
  height: 32px;
  border: none;
  background: var(--bg-elevated);
  color: var(--text-secondary);
  border-radius: 50%;
  font-size: 14px;
  cursor: pointer;
}
.login-modal-close:hover { color: var(--text-base); }

.login-modal-title {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: 0.08em;
  text-align: center;
  margin-bottom: 8px;
}
.login-modal-sub {
  text-align: center;
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 22px;
  line-height: 1.6;
}

/* ===== 底部 CTA ===== */
.bottom-cta {
  padding: 100px 24px;
  text-align: center;
  background: linear-gradient(180deg, transparent, rgba(255,149,0,0.06));
}

.bottom-cta h2 {
  font-family: var(--font-serif);
  font-size: clamp(28px, 5vw, 44px);
  letter-spacing: 0.15em;
  margin-bottom: 16px;
  color: var(--gold);
}

.bottom-cta p {
  color: var(--text-muted);
  margin-bottom: 40px;
  font-size: 15px;
}

/* ===== 页脚 ===== */
.footer {
  padding: 32px 24px;
  text-align: center;
  font-size: 12px;
  color: var(--text-muted);
  border-top: 1px solid rgba(255,149,0,0.1);
}

/* ===== 排盘表单页 ===== */
.app-header {
  padding: 28px 0;
  border-bottom: 1px solid rgba(255,149,0,0.12);
  margin-bottom: 48px;
}

.app-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 700;
  color: var(--gold);
  letter-spacing: 0.15em;
  text-decoration: none;
}

.form-section {
  max-width: 720px;
  margin: 0 auto;
  padding-bottom: 80px;
}

.form-title {
  font-family: var(--font-serif);
  font-size: clamp(26px, 4vw, 36px);
  text-align: center;
  letter-spacing: 0.12em;
  margin-bottom: 8px;
  color: var(--gold);
}

.form-subtitle {
  text-align: center;
  color: var(--text-muted);
  font-size: 14px;
  margin-bottom: 40px;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.form-group { display: flex; flex-direction: column; gap: 8px; }
.form-group.full { grid-column: 1 / -1; }

.form-label {
  font-family: var(--font-serif);
  font-size: 14px;
  color: var(--text-secondary);
  letter-spacing: 0.1em;
}

.form-input, .form-select {
  background: var(--ink-900);
  border: 1px solid rgba(255,149,0,0.2);
  border-radius: var(--radius);
  padding: 14px 16px;
  font-size: 16px;
  color: var(--text-primary);
  font-family: var(--font-sans);
  transition: border-color 0.2s;
  width: 100%;
}

.form-input:focus, .form-select:focus {
  outline: none;
  border-color: var(--gold);
}

.form-input::placeholder { color: var(--text-muted); }

.gender-pills {
  display: flex;
  gap: 12px;
}

.gender-pill {
  flex: 1;
  padding: 14px;
  text-align: center;
  border: 1px solid rgba(255,149,0,0.2);
  border-radius: var(--radius);
  cursor: pointer;
  font-family: var(--font-serif);
  font-size: 16px;
  letter-spacing: 0.15em;
  color: var(--text-secondary);
  background: var(--ink-900);
  transition: all 0.2s;
}

.gender-pill.active {
  background: rgba(255,149,0,0.15);
  border-color: var(--gold);
  color: var(--gold);
}

.form-actions {
  margin-top: 32px;
  text-align: center;
}

/* ===== 预览结果区 ===== */
.preview-section {
  display: none;
  max-width: 960px;
  margin: 0 auto;
  padding-bottom: 80px;
}

.preview-section.visible { display: block; }

.result-card {
  background: linear-gradient(160deg, var(--ink-900), var(--ink-800));
  border: 1px solid rgba(255,149,0,0.15);
  border-radius: 4px;
  padding: 32px;
  margin-bottom: 24px;
}

.result-card h3 {
  font-family: var(--font-serif);
  font-size: 18px;
  color: var(--gold);
  letter-spacing: 0.15em;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.bazi-display {
  display: flex;
  justify-content: center;
  gap: 16px;
  margin: 24px 0;
  flex-wrap: wrap;
}

.bazi-pillar {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  min-width: 72px;
}

.pillar-label {
  font-size: 12px;
  color: var(--text-muted);
  letter-spacing: 0.2em;
}

.pillar-chars {
  font-family: var(--font-serif);
  font-size: 32px;
  font-weight: 700;
  color: var(--gold-bright);
  writing-mode: vertical-rl;
  letter-spacing: 0.2em;
  line-height: 1.2;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 16px;
  margin-top: 20px;
}

.stat-item {
  background: rgba(255,149,0,0.06);
  border: 1px solid rgba(255,149,0,0.1);
  border-radius: 2px;
  padding: 16px;
  text-align: center;
}

.stat-value {
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 600;
  color: var(--gold-bright);
}

.stat-label {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 4px;
  letter-spacing: 0.1em;
}

/* 运势曲线 */
.chart-container {
  width: 100%;
  height: 240px;
  margin-top: 16px;
  position: relative;
}

.chart-canvas {
  width: 100%;
  height: 100%;
}

/* ===== 付费墙 ===== */
.paywall {
  background: linear-gradient(160deg, rgba(255,149,0,0.08), rgba(180,68,50,0.05));
  border: 1px solid rgba(255,149,0,0.25);
  border-radius: 4px;
  padding: 40px 32px;
  text-align: center;
  margin-top: 32px;
}

.paywall h3 {
  font-family: var(--font-serif);
  font-size: 22px;
  color: var(--gold-bright);
  letter-spacing: 0.12em;
  margin-bottom: 12px;
}

.paywall-desc {
  color: var(--text-muted);
  font-size: 14px;
  margin-bottom: 24px;
  line-height: 1.8;
}

.price-row {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 8px;
  margin-bottom: 28px;
}

.price-currency {
  font-family: var(--font-serif);
  font-size: 18px;
  color: var(--gold);
}

.price-amount {
  font-family: var(--font-mono);
  font-size: 48px;
  font-weight: 700;
  color: var(--gold-bright);
}

.price-unit {
  font-size: 14px;
  color: var(--text-muted);
}

.paywall-features {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-bottom: 28px;
}

.paywall-tag {
  padding: 6px 14px;
  border: 1px solid rgba(255,149,0,0.2);
  border-radius: 999px;
  font-size: 12px;
  color: var(--text-secondary);
}

/* ===== 报告生成状态 ===== */
.report-status {
  display: none;
  text-align: center;
  padding: 48px 24px;
}

.report-status.visible { display: block; }

.spinner {
  width: 48px;
  height: 48px;
  border: 3px solid rgba(255,149,0,0.2);
  border-top-color: var(--gold);
  border-radius: 50%;
  margin: 0 auto 24px;
  animation: spin 0.8s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

.success-icon {
  width: 64px;
  height: 64px;
  border: 2px solid var(--jade);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 24px;
  color: var(--jade);
  font-size: 32px;
}

/* ===== Loading 台 ===== */
.loading-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(15,13,10,0.88);
  z-index: 1000;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 20px;
}

.loading-overlay.visible { display: flex; }

.loading-text {
  font-family: var(--font-serif);
  font-size: 16px;
  letter-spacing: 0.25em;
  color: var(--gold);
}

/* ===== 响应式 ===== */
@media (max-width: 720px) {
  .form-grid { grid-template-columns: 1fr; }
  .bazi-display { gap: 10px; }
  .pillar-chars { font-size: 24px; }
  .stat-value { font-size: 18px; }
}

/* ===== 淡入动画 ===== */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================================
   Web App 原型：应用外壳 + 底部导航 + 各功能屏
   ============================================================ */

.app-shell {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.app-topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  background: linear-gradient(180deg, var(--ink-950) 60%, rgba(15,13,10,0.92));
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255,149,0,0.12);
  padding: 16px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.app-topbar .logo { font-size: 18px; }

.topbar-left { display: flex; align-items: center; gap: 10px; min-width: 0; flex: 1; }
.topbar-left .logo { flex-shrink: 0; }
.brand-logo { height: 30px; width: 30px; object-fit: contain; flex-shrink: 0; filter: drop-shadow(0 0 6px rgba(255,149,0,0.25)); }

.auth-status { display: flex; align-items: center; gap: 8px; }
.auth-link {
  font-size: 13px;
  color: var(--text-muted);
  text-decoration: none;
  padding: 6px 12px;
  border-radius: 6px;
  transition: color 0.15s, background 0.15s;
}
.auth-link:hover { color: var(--gold); }
.auth-link-primary {
  color: var(--gold);
  background: rgba(255,149,0,0.1);
  border: 1px solid rgba(255,149,0,0.3);
}
.auth-link-primary:hover { background: rgba(255,149,0,0.18); }

.user-chip {
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,149,0,0.08);
  border: 1px solid rgba(255,149,0,0.2);
  border-radius: 20px;
  padding: 4px 12px 4px 4px;
  color: var(--text-base);
  font-size: 13px;
  cursor: pointer;
  transition: background 0.15s;
}
.user-chip:hover { background: rgba(255,149,0,0.16); }
.user-avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--gold) 0%, #B4441E 100%);
  color: #0f0d0a;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 13px;
  font-family: var(--font-serif);
  letter-spacing: 0.05em;
  flex-shrink: 0;
}
.user-name {
  max-width: 120px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.user-menu {
  position: absolute;
  top: calc(100% + 6px);
  right: 0;
  background: var(--ink-900);
  border: 1px solid rgba(255,149,0,0.2);
  border-radius: 8px;
  padding: 6px 0;
  min-width: 140px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.4);
  z-index: 60;
  display: none;
}
.user-menu.open { display: block; }
.user-menu-item {
  display: block;
  width: 100%;
  text-align: left;
  background: transparent;
  border: none;
  color: var(--text-base);
  font-size: 13px;
  padding: 8px 14px;
  cursor: pointer;
  transition: background 0.15s;
}
.user-menu-item:hover { background: rgba(255,149,0,0.1); }
.user-chip-wrap { position: relative; }

@media (max-width: 640px) {
  .user-name { display: none; }
  .auth-link { padding: 6px 8px; font-size: 12px; }
}

.app-date {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-muted);
  letter-spacing: 0.12em;
  text-align: right;
  line-height: 1.5;
}
.app-date b { display: block; color: var(--gold); font-family: var(--font-serif); font-size: 13px; letter-spacing: 0.15em; }

/* 主内容区 */
.app-main {
  flex: 1;
  padding: 20px 16px 96px;
  max-width: 640px;
  width: 100%;
  margin: 0 auto;
}

.screen { display: none; animation: fadeUp 0.4s ease; }
.screen.active { display: block; }

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

/* 底部导航 */
.bottom-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(20,16,11,0.96);
  backdrop-filter: blur(16px);
  border-top: 1px solid rgba(255,149,0,0.16);
  display: flex;
  padding: 8px 8px calc(8px + env(safe-area-inset-bottom));
}

.nav-item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 8px 4px;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-muted);
  transition: color 0.2s;
  position: relative;
}

.nav-item .nav-ico {
  font-size: 20px;
  line-height: 1;
  transition: transform 0.2s;
}
.nav-item .nav-label {
  font-family: var(--font-serif);
  font-size: 11px;
  letter-spacing: 0.15em;
}

.nav-item.active { color: var(--gold); }
.nav-item.active .nav-ico { transform: translateY(-2px); }
.nav-item.active::after {
  content: '';
  position: absolute;
  top: -1px;
  left: 50%;
  transform: translateX(-50%);
  width: 24px;
  height: 2px;
  background: var(--gold);
  border-radius: 0 0 2px 2px;
}

/* ===== 卡片通用 ===== */
.screen-h {
  font-family: var(--font-serif);
  font-size: 22px;
  letter-spacing: 0.12em;
  color: var(--gold);
  margin: 8px 4px 20px;
  display: flex;
  align-items: baseline;
  gap: 10px;
}
.screen-h small { font-family: var(--font-mono); font-size: 11px; color: var(--text-muted); letter-spacing: 0.1em; }

.v-card {
  background: linear-gradient(160deg, var(--ink-900), var(--ink-800));
  border: 1px solid rgba(255,149,0,0.14);
  border-radius: 4px;
  padding: 22px 20px;
  margin-bottom: 16px;
}
.v-card.tight { padding: 16px; }

/* ===== 今日运势卡 ===== */
.today-hero {
  text-align: center;
  padding: 28px 20px;
  background:
    radial-gradient(ellipse at 50% 0%, rgba(255,149,0,0.14), transparent 70%),
    linear-gradient(160deg, var(--ink-900), var(--ink-800));
  border: 1px solid rgba(255,149,0,0.18);
  border-radius: 6px;
  margin-bottom: 16px;
  position: relative;
  overflow: hidden;
}
.today-hero .halo {
  position: absolute;
  top: -60px;
  left: 50%;
  transform: translateX(-50%);
  width: 220px;
  height: 220px;
  background: radial-gradient(circle, rgba(255,149,0,0.18), transparent 70%);
  pointer-events: none;
}

.today-level {
  font-family: var(--font-serif);
  font-size: 15px;
  letter-spacing: 0.4em;
  color: var(--gold);
  margin-bottom: 6px;
}

.today-score {
  font-family: var(--font-mono);
  font-size: 72px;
  font-weight: 700;
  line-height: 1;
  background: linear-gradient(180deg, var(--gold-bright), var(--gold));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin: 8px 0;
}
.today-score small {
  font-size: 22px;
  -webkit-text-fill-color: var(--text-muted);
}

.today-ganzhi {
  font-family: var(--font-serif);
  font-size: 13px;
  letter-spacing: 0.25em;
  color: var(--text-secondary);
}

/* 宜忌 */
.yiji-row {
  display: flex;
  gap: 12px;
  margin-bottom: 16px;
}
.yiji-box {
  flex: 1;
  border-radius: 4px;
  padding: 16px;
}
.yiji-box.yi { background: rgba(74,124,111,0.12); border: 1px solid rgba(74,124,111,0.3); }
.yiji-box.ji { background: rgba(180,68,50,0.1); border: 1px solid rgba(180,68,50,0.28); }
.yiji-box .yiji-tag {
  font-family: var(--font-serif);
  font-size: 13px;
  letter-spacing: 0.2em;
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 6px;
}
.yiji-box.yi .yiji-tag { color: var(--jade); }
.yiji-box.ji .yiji-tag { color: var(--cinnabar); }
.yiji-box ul { list-style: none; padding: 0; }
.yiji-box li {
  font-size: 13px;
  color: var(--text-secondary);
  padding: 3px 0;
  display: flex;
  align-items: center;
  gap: 6px;
}
.yiji-box li::before { content: '·'; color: var(--gold-dim); font-weight: 700; }

/* 时辰条 */
.hour-strip {
  display: flex;
  gap: 6px;
  overflow-x: auto;
  padding: 4px 0 8px;
  scrollbar-width: none;
}
.hour-strip::-webkit-scrollbar { display: none; }
.hour-cell {
  flex: 0 0 auto;
  width: 52px;
  text-align: center;
  padding: 10px 4px;
  border-radius: 3px;
  border: 1px solid rgba(255,149,0,0.1);
  background: rgba(255,149,0,0.03);
}
.hour-cell .hc-name { font-family: var(--font-serif); font-size: 12px; color: var(--text-secondary); }
.hour-cell .hc-score { font-family: var(--font-mono); font-size: 15px; margin-top: 3px; }
.hour-cell.good .hc-score { color: var(--jade); }
.hour-cell.bad .hc-score { color: var(--cinnabar); }
.hour-cell.now { border-color: var(--gold); background: rgba(255,149,0,0.1); }

/* AI 解读预览 */
.ai-teaser {
  border-left: 2px solid var(--gold);
  padding: 4px 0 4px 16px;
  font-family: var(--font-serif);
  font-size: 14px;
  line-height: 1.9;
  color: var(--text-secondary);
}
.ai-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.15em;
  color: var(--gold);
  border: 1px solid var(--gold-dim);
  border-radius: 999px;
  padding: 2px 10px;
  margin-bottom: 10px;
}

/* ===== 流年 K 线 ===== */
.year-tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
}
.year-tab {
  padding: 8px 18px;
  border: 1px solid rgba(255,149,0,0.18);
  border-radius: 3px;
  background: transparent;
  color: var(--text-secondary);
  font-family: var(--font-serif);
  font-size: 13px;
  letter-spacing: 0.12em;
  cursor: pointer;
  transition: all 0.2s;
}
.year-tab.active {
  background: rgba(255,149,0,0.15);
  border-color: var(--gold);
  color: var(--gold);
}

.kline-canvas { width: 100%; height: 220px; }

.month-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
}
.month-cell {
  text-align: center;
  padding: 12px 6px;
  border: 1px solid rgba(255,149,0,0.1);
  border-radius: 3px;
  background: rgba(255,149,0,0.03);
}
.month-cell .m-name { font-family: var(--font-serif); font-size: 12px; color: var(--text-secondary); }
.month-cell .m-score { font-family: var(--font-mono); font-size: 16px; margin-top: 3px; }
.month-cell .m-bar { height: 3px; border-radius: 2px; margin-top: 6px; background: var(--gold); }

/* ===== 卜卦 ===== */
.wenbu-oracle {
  text-align: center;
  padding: 32px 20px;
  background:
    radial-gradient(circle at 50% 30%, rgba(255,149,0,0.1), transparent 70%),
    linear-gradient(160deg, var(--ink-900), var(--ink-800));
  border: 1px solid rgba(255,149,0,0.16);
  border-radius: 6px;
  margin-bottom: 16px;
}

.coin-row { display: flex; justify-content: center; gap: 14px; margin: 20px 0; }
.coin {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, var(--gold-bright), var(--gold-dim));
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-serif);
  font-size: 15px;
  color: var(--ink-950);
  font-weight: 700;
  box-shadow: 0 4px 12px rgba(255,149,0,0.25), inset 0 -2px 4px rgba(0,0,0,0.2);
}

.hexagram {
  display: flex;
  flex-direction: column;
  gap: 8px;
  align-items: center;
  margin: 22px 0;
}
.yao {
  display: flex;
  gap: 16px;
  height: 12px;
}
.yao.yang { }
.yao.yang::before {
  content: '';
  display: block;
  width: 88px;
  height: 12px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--gold-dim), var(--gold));
}
.yao.yin::before, .yao.yin::after {
  content: '';
  display: block;
  width: 36px;
  height: 12px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--gold-dim), var(--gold));
}
.yao.bian::before, .yao.bian::after { background: linear-gradient(90deg, var(--cinnabar), var(--gold)); }

.hex-name {
  font-family: var(--font-serif);
  font-size: 20px;
  letter-spacing: 0.3em;
  color: var(--gold-bright);
  margin-top: 8px;
}

.ask-input {
  width: 100%;
  background: var(--ink-900);
  border: 1px solid rgba(255,149,0,0.2);
  border-radius: var(--radius);
  padding: 14px 16px;
  font-size: 15px;
  color: var(--text-primary);
  resize: none;
  min-height: 64px;
  font-family: var(--font-sans);
}

/* ===== 我 / 会员 ===== */
.me-header {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 20px;
}
.avatar {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--gold), var(--gold-dim));
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-serif);
  font-size: 24px;
  color: var(--ink-950);
  font-weight: 700;
  flex-shrink: 0;
}
.me-name { font-family: var(--font-serif); font-size: 18px; color: var(--text-primary); letter-spacing: 0.1em; }
.me-sub { font-family: var(--font-mono); font-size: 11px; color: var(--text-muted); margin-top: 4px; }

.vip-banner {
  background: linear-gradient(120deg, rgba(255,149,0,0.18), rgba(180,68,50,0.1));
  border: 1px solid rgba(255,149,0,0.3);
  border-radius: 4px;
  padding: 18px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}
.vip-banner .vb-title { font-family: var(--font-serif); font-size: 15px; color: var(--gold-bright); letter-spacing: 0.12em; }
.vip-banner .vb-sub { font-size: 12px; color: var(--text-muted); margin-top: 3px; }

.menu-list { list-style: none; padding: 0; }
.menu-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid rgba(255,149,0,0.08);
  cursor: pointer;
}
.menu-row:last-child { border-bottom: none; }
.menu-row .mr-left { display: flex; align-items: center; gap: 12px; }
.menu-row .mr-ico { font-size: 17px; width: 22px; text-align: center; }
.menu-row .mr-label { font-family: var(--font-serif); font-size: 15px; color: var(--text-secondary); letter-spacing: 0.08em; }
.menu-row .mr-arrow { color: var(--text-muted); font-size: 13px; }
.menu-row:hover { background: rgba(255,149,0,0.05); }

/* ===== 登录页 ===== */
.login-wrap {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 32px 20px;
  position: relative;
}
.login-card {
  width: 100%;
  max-width: 400px;
  background: linear-gradient(160deg, var(--ink-900), var(--ink-800));
  border: 1px solid rgba(255,149,0,0.18);
  border-radius: 8px;
  padding: 40px 32px;
}
.login-title {
  font-family: var(--font-serif);
  font-size: 26px;
  letter-spacing: 0.18em;
  text-align: center;
  color: var(--gold);
  margin-bottom: 6px;
}
.login-sub {
  text-align: center;
  color: var(--text-muted);
  font-size: 13px;
  margin-bottom: 32px;
}

.btn-google {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 14px;
  background: #fff;
  color: #333;
  border: none;
  border-radius: var(--radius);
  font-size: 15px;
  font-weight: 500;
  cursor: pointer;
  margin-bottom: 20px;
  transition: background 0.2s;
}
.btn-google:hover { background: #f0f0f0; }

.divider {
  display: flex;
  align-items: center;
  gap: 14px;
  margin: 20px 0;
}
.divider::before, .divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: rgba(255,149,0,0.15);
}
.divider span { font-size: 12px; color: var(--text-muted); letter-spacing: 0.1em; }

.login-toggle {
  text-align: center;
  margin-top: 20px;
  font-size: 13px;
  color: var(--text-muted);
}
.login-toggle a { color: var(--gold); cursor: pointer; text-decoration: none; }

.terms-check {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  margin: 16px 0;
  font-size: 12px;
  color: var(--text-muted);
  line-height: 1.6;
}
.terms-check input { margin-top: 3px; accent-color: var(--gold); }
.terms-check a { color: var(--gold-dim); cursor: pointer; }

/* ============================================================
   响应式：平板 / PC（≥ 900px）
   底部导航 → 左侧侧边栏，单列 → 多列
   ============================================================ */

/* 侧栏品牌（默认隐藏，PC 显示） */
.nav-brand {
  display: none;
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--gold);
  padding: 8px 20px 24px;
}

/* 通用响应式栅格 */
.grid-2 {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  align-items: start;
}
.grid-2 > * { margin-bottom: 0; }

@media (min-width: 640px) {
  /* 大屏手机 / 小平板：两列 */
  .grid-2 {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 900px) {
  /* ===== App 外壳切侧栏 ===== */
  .app-shell {
    padding-left: 240px;
  }

  .app-topbar {
    padding: 18px 32px;
  }

  /* 底部导航 → 固定左侧栏 */
  .bottom-nav {
    top: 0;
    bottom: 0;
    left: 0;
    right: auto;
    width: 240px;
    height: 100vh;
    flex-direction: column;
    justify-content: flex-start;
    align-items: stretch;
    padding: 24px 12px;
    gap: 4px;
    border-top: none;
    border-right: 1px solid rgba(255,149,0,0.16);
    background: rgba(20,16,11,0.98);
  }

  .nav-brand {
    display: block;
  }

  /* PC：品牌在侧栏，隐藏顶栏 logo 避免重复 */
  .app-topbar .logo {
    visibility: hidden;
  }

  .nav-item {
    flex-direction: row;
    justify-content: flex-start;
    align-items: center;
    gap: 14px;
    padding: 14px 20px;
    border-radius: 4px;
  }

  .nav-item .nav-ico { font-size: 18px; }
  .nav-item .nav-label { font-size: 15px; }

  .nav-item:hover { color: var(--gold); background: rgba(255,149,0,0.06); }

  .nav-item.active {
    background: rgba(255,149,0,0.12);
    border-radius: 4px;
  }

  /* 选中指示：左侧竖条 */
  .nav-item.active::after {
    top: 50%;
    left: 0;
    transform: translateY(-50%);
    width: 3px;
    height: 22px;
    border-radius: 0 2px 2px 0;
  }

  .app-main {
    max-width: 1080px;
    padding: 28px 32px 56px;
    margin: 0 auto;
  }

  /* ===== 各屏双列布局 ===== */
  .grid-2 {
    grid-template-columns: 1fr 1fr;
    gap: 20px;
  }

  /* 今日大分卡跨双列 */
  .today-hero {
    grid-column: 1 / -1;
  }

  .screen-h {
    font-size: 26px;
  }

  .today-score {
    font-size: 88px;
  }

  .v-card {
    padding: 26px 28px;
    margin-bottom: 20px;
  }

  /* 十二时辰横排 */
  .hour-strip {
    overflow-x: visible;
  }
  .hour-cell {
    width: auto;
    flex: 1;
    min-width: 56px;
  }

  /* 月度网格更宽 */
  .month-grid {
    grid-template-columns: repeat(6, 1fr);
    gap: 12px;
  }

  /* K 线更高 */
  .kline-canvas {
    height: 300px;
  }

  .chart-container {
    height: 320px;
  }

  /* 五维/五行雷达更大 */
  .wuxing-radar-canvas {
    width: 360px;
    height: 360px;
  }

  /* 登录卡更宽 */
  .login-card {
    max-width: 420px;
    padding: 48px 40px;
  }

  /* 落地页 Hero 更大气 */
  .hero-title {
    letter-spacing: 0.12em;
  }

  .features-grid {
    gap: 28px;
  }

  .feature-card {
    padding: 44px 36px;
  }
}

/* ===== 宽屏 PC（≥ 1200px）：三列 ===== */
@media (min-width: 1200px) {
  .app-shell {
    padding-left: 260px;
  }

  .bottom-nav {
    width: 260px;
    padding: 28px 16px;
  }

  .nav-item {
    padding: 15px 24px;
    font-size: 16px;
  }

  .nav-item .nav-label { font-size: 16px; }

  .app-main {
    max-width: 1200px;
    padding: 32px 40px 64px;
  }
}

/* ===== 横屏手机 / 矮屏优化 ===== */
@media (max-height: 520px) and (orientation: landscape) {
  .today-score { font-size: 56px; }
  .today-hero { padding: 18px; }
}

/* ============================================================
   落地页（App 功能展示版）
   ============================================================ */

/* 主 CTA 双按钮 */
.hero-cta .btn-primary { position: relative; }

/* ---- App 界面预览：手机框 ---- */
.showcase {
  padding: 72px 0 40px;
  overflow: hidden;
}

.phone-row {
  display: flex;
  gap: 28px;
  justify-content: center;
  align-items: flex-start;
  flex-wrap: wrap;
  padding: 24px 4px;
}

.phone {
  width: 232px;
  flex-shrink: 0;
  background: linear-gradient(165deg, var(--ink-900), var(--ink-800));
  border: 1px solid rgba(255,149,0,0.2);
  border-radius: 28px;
  padding: 12px;
  box-shadow: 0 24px 60px rgba(0,0,0,0.45), 0 4px 16px rgba(255,149,0,0.08);
  position: relative;
}
.phone:nth-child(2) { transform: translateY(-24px); }
.phone::before {
  content: '';
  position: absolute;
  top: 16px;
  left: 50%;
  transform: translateX(-50%);
  width: 56px;
  height: 5px;
  border-radius: 99px;
  background: rgba(255,149,0,0.2);
}

.phone-screen {
  background: var(--ink-950);
  border-radius: 18px;
  padding: 26px 12px 14px;
  min-height: 300px;
}

.phone-tag {
  text-align: center;
  font-family: var(--font-serif);
  font-size: 13px;
  letter-spacing: 0.25em;
  color: var(--gold);
  margin-top: 18px;
}

/* 迷你应用卡片 */
.mini-title {
  font-family: var(--font-serif);
  font-size: 12px;
  letter-spacing: 0.15em;
  color: var(--text-secondary);
  margin-bottom: 10px;
}
.mini-score {
  font-family: var(--font-mono);
  font-size: 48px;
  font-weight: 700;
  text-align: center;
  background: linear-gradient(180deg, var(--gold-bright), var(--gold-dim));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.1;
}
.mini-score small {
  font-size: 15px;
  -webkit-text-fill-color: var(--text-muted);
}
.mini-ganzhi {
  text-align: center;
  font-family: var(--font-serif);
  font-size: 10px;
  letter-spacing: 0.2em;
  color: var(--text-muted);
  margin: 6px 0 12px;
}
.mini-bars { display: flex; flex-direction: column; gap: 7px; }
.mini-bar {
  display: grid;
  grid-template-columns: 22px 1fr 22px;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 9px;
  color: var(--text-muted);
}
.mini-bar .mbl { font-family: var(--font-serif); font-size: 11px; color: var(--text-secondary); }
.mini-track { height: 5px; background: var(--ink-800); border-radius: 99px; overflow: hidden; }
.mini-fill { height: 100%; border-radius: 99px; }

/* 迷你 K 线 */
.mini-kline {
  height: 88px;
  display: flex;
  align-items: flex-end;
  gap: 3px;
  padding: 8px 0;
}
.mini-kline i {
  flex: 1;
  background: linear-gradient(180deg, var(--gold), var(--gold-dim));
  border-radius: 1px 1px 0 0;
  opacity: 0.85;
}
.mini-months {
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 8px;
  color: var(--text-muted);
}

/* 迷你卦象 */
.mini-hex {
  display: flex;
  flex-direction: column;
  gap: 6px;
  align-items: center;
  margin: 16px 0;
}
.mini-yao {
  display: flex;
  gap: 12px;
  height: 8px;
}
.mini-yao.y::before { content: ''; width: 56px; height: 8px; border-radius: 2px; background: var(--gold); }
.mini-yao.n::before, .mini-yao.n::after { content: ''; width: 22px; height: 8px; border-radius: 2px; background: var(--gold); }
.mini-hex-name {
  text-align: center;
  font-family: var(--font-serif);
  font-size: 14px;
  letter-spacing: 0.25em;
  color: var(--gold-bright);
  margin-top: 12px;
}

/* ---- 交替功能展示行 ---- */
.feature-showcase {
  padding: 64px 0;
}
.fs-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  align-items: center;
  margin-bottom: 72px;
}
.fs-row:last-child { margin-bottom: 0; }
.fs-text .fs-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.25em;
  color: var(--gold);
  border: 1px solid var(--gold-dim);
  border-radius: 999px;
  padding: 4px 14px;
  margin-bottom: 18px;
}
.fs-text h3 {
  font-family: var(--font-serif);
  font-size: clamp(24px, 3vw, 34px);
  letter-spacing: 0.1em;
  color: var(--text-primary);
  margin-bottom: 16px;
  line-height: 1.35;
}
.fs-text p {
  color: var(--text-muted);
  font-size: 15px;
  line-height: 1.95;
  margin-bottom: 20px;
}
.fs-list { list-style: none; padding: 0; display: flex; flex-direction: column; gap: 10px; }
.fs-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--text-secondary);
}
.fs-list li::before {
  content: '◈';
  color: var(--gold);
  font-size: 12px;
}

.fs-visual {
  background: linear-gradient(160deg, var(--ink-900), var(--ink-800));
  border: 1px solid rgba(255,149,0,0.16);
  border-radius: 8px;
  padding: 28px;
  min-height: 260px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  box-shadow: 0 18px 48px rgba(0,0,0,0.35);
}

/* ---- 数字信任带 ---- */
.stat-band {
  border-top: 1px solid rgba(255,149,0,0.12);
  border-bottom: 1px solid rgba(255,149,0,0.12);
  background: linear-gradient(180deg, rgba(255,149,0,0.05), transparent);
  padding: 48px 0;
}
.stat-band-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
  text-align: center;
}
.sb-item .sb-num {
  font-family: var(--font-mono);
  font-size: clamp(32px, 5vw, 48px);
  font-weight: 700;
  color: var(--gold-bright);
  line-height: 1;
}
.sb-item .sb-label {
  font-family: var(--font-serif);
  font-size: 13px;
  letter-spacing: 0.15em;
  color: var(--text-muted);
  margin-top: 8px;
}

/* ---- 三步上手 ---- */
.steps {
  padding: 72px 0;
}
.steps-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  margin-top: 40px;
}
.step {
  position: relative;
  background: linear-gradient(160deg, var(--ink-900), var(--ink-800));
  border: 1px solid rgba(255,149,0,0.14);
  border-radius: 6px;
  padding: 32px 28px;
}
.step-num {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.2em;
  color: var(--gold-dim);
  margin-bottom: 14px;
}
.step h4 {
  font-family: var(--font-serif);
  font-size: 19px;
  letter-spacing: 0.1em;
  color: var(--gold);
  margin-bottom: 10px;
}
.step p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.85;
}

@media (min-width: 720px) {
  .stat-band-grid { grid-template-columns: repeat(4, 1fr); }
  .steps-grid { grid-template-columns: repeat(3, 1fr); gap: 24px; }
}

@media (min-width: 900px) {
  .fs-row {
    grid-template-columns: 1fr 1fr;
    gap: 56px;
  }
  .fs-row.reverse .fs-text { order: 2; }
  .fs-row.reverse .fs-visual { order: 1; }
  .phone { width: 250px; }
}

/* ===== 语言切换 ===== */
.lang-switch {
  display: inline-flex;
  gap: 0;
  border: 1px solid rgba(255,149,0,0.25);
  border-radius: var(--radius);
  overflow: hidden;
}

.lang-btn {
  padding: 6px 14px;
  font-family: var(--font-serif);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--text-muted);
  background: transparent;
  border: none;
  cursor: pointer;
  transition: all 0.2s;
  white-space: nowrap;
}

.lang-btn:hover {
  color: var(--gold);
  background: rgba(255,149,0,0.08);
}

.lang-btn.active {
  color: var(--ink-950);
  background: var(--gold);
  font-weight: 600;
}

.hero .lang-switch {
  position: absolute;
  top: 24px;
  right: 24px;
}

.app-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}