:root {
  --ink: #14110d;
  --ink-2: #1f1a14;
  --ink-3: #2a231b;
  --paper: #f5efe2;
  --paper-2: #ece3cf;
  --muted: #b8ac93;
  --gold: #c9a24b;
  --gold-2: #e0c078;
  --red: #b03a2e;
  --spring: #4f8a6b;
  --summer: #b03a2e;
  --autumn: #c08a2b;
  --winter: #3a5a78;
  --font: "KaiTi", "STKaiti", "Kaiti SC", "SimSun", "Noto Serif SC", serif;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--ink);
  color: var(--paper);
  min-height: 100vh;
  line-height: 1.8;
  background-image:
    radial-gradient(circle at 15% 10%, rgba(201, 162, 75, 0.06), transparent 40%),
    radial-gradient(circle at 85% 90%, rgba(176, 58, 46, 0.05), transparent 40%);
}

a { color: inherit; text-decoration: none; }

.container { max-width: 1080px; margin: 0 auto; padding: 0 20px; }

/* —— 顶部 —— */
.topbar {
  display: flex; align-items: center; gap: 14px;
  padding: 20px 24px; max-width: 1080px; margin: 0 auto;
}
.topbar .brand { display: flex; align-items: center; gap: 12px; font-size: 22px; letter-spacing: 4px; color: var(--gold-2); }
.topbar .brand img { width: 40px; height: 40px; }
.topbar .back { font-size: 15px; color: var(--muted); border: 1px solid var(--ink-3); padding: 6px 14px; border-radius: 20px; transition: .2s; }
.topbar .back:hover { color: var(--gold-2); border-color: var(--gold); }

/* —— 首页 Hero —— */
.hero { text-align: center; padding: 30px 20px 40px; }
.hero .logo { width: 120px; height: 120px; margin: 0 auto 18px; display: block; filter: drop-shadow(0 0 24px rgba(201,162,75,.25)); animation: float 6s ease-in-out infinite; }
@keyframes float { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-8px); } }
.hero h1 { font-size: 54px; letter-spacing: 14px; color: var(--gold-2); font-weight: 600; text-shadow: 0 0 30px rgba(201,162,75,.3); }
.hero .sub { margin-top: 10px; color: var(--muted); letter-spacing: 3px; font-size: 15px; }
.hero .sub .divider { color: var(--gold); margin: 0 10px; }

/* —— 四象宫 —— */
.palace-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px;
  padding: 10px 0 60px;
}
.palace {
  position: relative; border-radius: 14px; padding: 26px 20px 24px;
  border: 1px solid rgba(255,255,255,.08);
  background: linear-gradient(160deg, var(--ink-2), var(--ink));
  overflow: hidden; transition: transform .25s, box-shadow .25s;
  display: flex; flex-direction: column; gap: 16px;
}
.palace:hover { transform: translateY(-4px); box-shadow: 0 16px 40px rgba(0,0,0,.5); }
.palace::before { content: ""; position: absolute; inset: 0; opacity: .35; pointer-events: none; }
.palace--spring::before { background: radial-gradient(circle at 50% 0%, var(--spring), transparent 65%); }
.palace--summer::before { background: radial-gradient(circle at 50% 0%, var(--summer), transparent 65%); }
.palace--autumn::before { background: radial-gradient(circle at 50% 0%, var(--autumn), transparent 65%); }
.palace--winter::before { background: radial-gradient(circle at 50% 0%, var(--winter), transparent 65%); }

.palace .season { position: relative; font-size: 40px; line-height: 1; opacity: .9; }
.palace--spring .season { color: #7fb898; }
.palace--summer .season { color: #d9756b; }
.palace--autumn .season { color: #e0b06a; }
.palace--winter .season { color: #7fa4c8; }

.palace .palace-name { position: relative; font-size: 20px; letter-spacing: 4px; color: var(--paper); }
.palace .palace-desc { position: relative; font-size: 13px; color: var(--muted); }

.palace .methods { position: relative; display: flex; flex-direction: column; gap: 10px; margin-top: auto; }
.method-btn {
  display: block; text-align: center; padding: 12px 10px; border-radius: 10px;
  font-size: 16px; letter-spacing: 2px; border: 1px solid rgba(255,255,255,.14);
  background: rgba(0,0,0,.28); transition: .2s;
}
.method-btn:hover { border-color: var(--gold); color: var(--gold-2); background: rgba(0,0,0,.45); }

/* —— 通用模块页 —— */
.page { max-width: 720px; margin: 0 auto; padding: 10px 20px 60px; }
.page-head { text-align: center; padding: 12px 0 24px; }
.page-head h2 { font-size: 34px; letter-spacing: 8px; color: var(--gold-2); }
.page-head .tag { color: var(--muted); font-size: 13px; letter-spacing: 2px; margin-top: 6px; }

.card {
  background: linear-gradient(160deg, var(--ink-2), var(--ink));
  border: 1px solid rgba(255,255,255,.09); border-radius: 16px;
  padding: 28px 24px; margin-bottom: 18px;
}
.card h3 { font-size: 18px; letter-spacing: 3px; color: var(--paper); margin-bottom: 14px; }
.card p { color: var(--paper-2); font-size: 15px; }

.btn {
  display: inline-block; cursor: pointer; border: 1px solid var(--gold);
  background: linear-gradient(180deg, rgba(201,162,75,.15), rgba(201,162,75,.05));
  color: var(--gold-2); padding: 12px 28px; border-radius: 26px;
  font-family: var(--font); font-size: 16px; letter-spacing: 3px; transition: .2s;
}
.btn:hover { background: var(--gold); color: var(--ink); }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.btn--ghost { border-color: var(--ink-3); color: var(--muted); background: transparent; }
.btn--ghost:hover { border-color: var(--gold); color: var(--gold-2); background: transparent; }
.btn--block { display: block; width: 100%; text-align: center; }

.input {
  width: 100%; padding: 12px 16px; border-radius: 10px; border: 1px solid var(--ink-3);
  background: rgba(0,0,0,.3); color: var(--paper); font-family: var(--font); font-size: 16px;
  outline: none; transition: .2s;
}
.input:focus { border-color: var(--gold); }
.input::placeholder { color: #6f6553; }
label.field { display: block; font-size: 14px; color: var(--muted); margin: 14px 0 6px; letter-spacing: 1px; }
.row { display: flex; gap: 12px; flex-wrap: wrap; }

/* —— 结果区 —— */
.result { animation: rise .6s ease; }
@keyframes rise { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }
.result .big { font-size: 30px; letter-spacing: 4px; color: var(--gold-2); text-align: center; margin: 8px 0; }
.result .meta { text-align: center; color: var(--muted); font-size: 14px; margin-bottom: 16px; }
.badge { display: inline-block; padding: 3px 12px; border-radius: 14px; font-size: 13px; border: 1px solid var(--gold); color: var(--gold-2); margin: 2px 4px; }
.badge--red { border-color: var(--red); color: #d9756b; }
.badge--green { border-color: var(--spring); color: #7fb898; }
.badge--blue { border-color: var(--winter); color: #7fa4c8; }
.divider { border: none; border-top: 1px dashed rgba(255,255,255,.12); margin: 18px 0; }

.blockquote {
  border-left: 3px solid var(--gold); padding: 6px 0 6px 16px; margin: 14px 0;
  color: var(--paper-2); font-size: 15px; font-style: italic;
}

/* —— 卦象 / 爻线 —— */
.hexagram { display: flex; flex-direction: column; gap: 6px; align-items: center; margin: 18px 0; }
.yao { display: flex; gap: 10px; }
.yao .line { width: 120px; height: 12px; border-radius: 4px; background: var(--paper); }
.yao .line--yin { width: 52px; }
.yao .line--moving { background: var(--red); box-shadow: 0 0 10px rgba(176,58,46,.5); }
.yao .label { width: 30px; font-size: 12px; color: var(--muted); align-self: center; }

/* —— 塔罗 —— */
.tarot-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin: 14px 0; }
.tarot-card { background: var(--ink-3); border: 1px solid rgba(255,255,255,.12); border-radius: 12px; padding: 20px 14px; text-align: center; }
.tarot-card .name { color: var(--gold-2); font-size: 17px; letter-spacing: 2px; }
.tarot-card .en { color: var(--muted); font-size: 12px; }
.tarot-card .pos { display: block; font-size: 12px; margin: 8px 0; }
.tarot-card .pos.upright { color: #7fb898; }
.tarot-card .pos.reversed { color: #d9756b; }

/* —— 星座 —— */
.zodiac-picker { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; }
.zodiac-picker button { background: rgba(0,0,0,.28); border: 1px solid rgba(255,255,255,.12); border-radius: 10px; padding: 10px 4px; color: var(--paper-2); cursor: pointer; font-family: var(--font); font-size: 14px; transition: .2s; }
.zodiac-picker button:hover, .zodiac-picker button.active { border-color: var(--gold); color: var(--gold-2); }
.dim { display: flex; justify-content: space-between; margin: 8px 0; font-size: 14px; }
.dim .bar { width: 46%; height: 8px; border-radius: 4px; background: var(--ink-3); overflow: hidden; align-self: center; }
.dim .bar i { display: block; height: 100%; background: linear-gradient(90deg, var(--gold), var(--gold-2)); }

/* —— 四柱 —— */
.pillars { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; margin: 14px 0; }
.pillar { text-align: center; background: rgba(0,0,0,.28); border: 1px solid rgba(255,255,255,.1); border-radius: 10px; padding: 14px 4px; }
.pillar .label { color: var(--muted); font-size: 12px; }
.pillar .gz { font-size: 26px; color: var(--gold-2); letter-spacing: 2px; margin: 4px 0; }
.pillar .god { font-size: 12px; color: var(--paper-2); }
.wuxing-row { display: flex; gap: 8px; justify-content: center; margin: 12px 0; }

/* —— 页脚 —— */
.footer { text-align: center; padding: 30px 20px 40px; color: #6f6553; font-size: 12px; line-height: 2; }
.footer .disclaimer { max-width: 640px; margin: 0 auto; }

/* —— 响应式 —— */
@media (max-width: 860px) {
  .palace-grid { grid-template-columns: 1fr; }
  .hero h1 { font-size: 40px; letter-spacing: 10px; }
  .tarot-grid { grid-template-columns: 1fr; }
  .zodiac-picker { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 480px) {
  .zodiac-picker { grid-template-columns: repeat(2, 1fr); }
  .pillars { grid-template-columns: repeat(2, 1fr); }
}