:root {
  color-scheme: light;
  --bg: #f7f2e9;
  --bg-deep: #e9dfcf;
  --ink: #1f1a14;
  --ink-soft: #4e453a;
  --accent: #c7612a;
  --accent-2: #2d5b64;
  --highlight: #f4c64f;
  --card: #fffaf3;
  --shadow: 0 20px 60px rgba(31, 26, 20, 0.12);
  --radius: 18px;
  --font-title: "STKaiti", "Kaiti SC", "Songti SC", "SimSun", serif;
  --font-body: "Microsoft YaHei", "PingFang SC", "Noto Serif SC", serif;
}

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

body {
  font-family: var(--font-body);
  background: radial-gradient(circle at 10% 20%, rgba(244, 198, 79, 0.18), transparent 45%),
    radial-gradient(circle at 80% 10%, rgba(45, 91, 100, 0.15), transparent 55%),
    linear-gradient(120deg, var(--bg), var(--bg-deep));
  color: var(--ink);
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
}

.bg-orbit {
  position: fixed;
  width: 420px;
  height: 420px;
  border-radius: 50%;
  background: conic-gradient(from 210deg, rgba(199, 97, 42, 0.18), rgba(244, 198, 79, 0.12), transparent 60%);
  top: -180px;
  right: -120px;
  filter: blur(2px);
  animation: float 12s ease-in-out infinite;
  z-index: -1;
}

.site-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 28px 6vw 10px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  font-family: var(--font-title);
  font-size: 22px;
  box-shadow: var(--shadow);
}

.brand-title {
  font-family: var(--font-title);
  font-size: 22px;
  letter-spacing: 2px;
}

.brand-sub {
  font-size: 13px;
  color: var(--ink-soft);
}

.site-nav {
  display: flex;
  gap: 10px;
}

button {
  font-family: var(--font-body);
  border: none;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
  min-height: 44px;
}

button:active {
  transform: translateY(1px);
}

.primary {
  background: var(--accent);
  color: #fff;
  padding: 12px 22px;
  border-radius: 999px;
  box-shadow: var(--shadow);
}

.secondary {
  background: var(--highlight);
  color: var(--ink);
  padding: 12px 20px;
  border-radius: 999px;
}

.ghost {
  background: transparent;
  color: var(--ink);
  padding: 10px 16px;
  border-radius: 999px;
  border: 1px solid rgba(31, 26, 20, 0.2);
}

main {
  padding: 20px 6vw 60px;
}

.panel {
  display: none;
  animation: rise 0.6s ease;
}

.panel.is-active {
  display: block;
}

.hero {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 40px;
  align-items: center;
  margin-top: 20px;
}

.hero-copy h1 {
  font-family: var(--font-title);
  font-size: clamp(32px, 4vw, 46px);
  line-height: 1.2;
  margin-bottom: 18px;
}

.lead {
  font-size: 16px;
  color: var(--ink-soft);
  line-height: 1.7;
}

.hero-actions {
  margin-top: 24px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.hero-tags {
  margin-top: 18px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.hero-tags span {
  background: rgba(255, 255, 255, 0.7);
  padding: 6px 12px;
  border-radius: 999px;
  font-size: 12px;
  color: var(--ink-soft);
}

.hero-card {
  background: var(--card);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
  display: grid;
  gap: 12px;
}

.card-label {
  font-size: 12px;
  color: var(--ink-soft);
}

.card-title {
  font-size: 22px;
  font-family: var(--font-title);
}

.card-hexagram {
  font-size: 14px;
  color: var(--accent-2);
}

.card-keywords span {
  display: inline-flex;
  margin-right: 6px;
  margin-bottom: 6px;
  padding: 4px 10px;
  background: rgba(45, 91, 100, 0.12);
  border-radius: 999px;
  font-size: 12px;
}

.card-summary {
  font-size: 14px;
  line-height: 1.6;
}

.panel-head {
  margin-bottom: 18px;
}

.panel-head h2 {
  font-family: var(--font-title);
  font-size: 26px;
  margin-bottom: 6px;
}

.panel-head p {
  color: var(--ink-soft);
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px 20px;
  background: var(--card);
  padding: 24px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.field {
  display: grid;
  gap: 8px;
}

.field label {
  font-size: 14px;
  color: var(--ink-soft);
}

.field input,
.field select {
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid rgba(31, 26, 20, 0.2);
  background: #fff;
  font-family: var(--font-body);
}

.sub-input {
  display: none;
}

.sub-input.is-visible {
  display: block;
}

.span-2 {
  grid-column: 1 / -1;
}

.photo-preview {
  margin-top: 10px;
  border: 1px dashed rgba(31, 26, 20, 0.25);
  border-radius: 12px;
  padding: 12px;
  min-height: 120px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--ink-soft);
  background: rgba(255, 255, 255, 0.7);
}

.photo-preview img {
  max-width: 100%;
  border-radius: 12px;
}

.checkbox {
  display: flex;
  align-items: center;
  gap: 8px;
}

.form-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.form-note {
  color: #a6402f;
  font-size: 13px;
}

.result-grid {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(0, 1fr);
  gap: 24px;
}

.result-main,
.result-side {
  display: grid;
  gap: 16px;
}

.fortune-card {
  background: var(--card);
  border-radius: var(--radius);
  padding: 22px;
  box-shadow: var(--shadow);
  display: grid;
  gap: 14px;
}

.fortune-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}

.fortune-level {
  font-size: 28px;
  font-family: var(--font-title);
}

.fortune-hex {
  font-size: 14px;
  color: var(--accent-2);
}

.fortune-luck {
  background: rgba(199, 97, 42, 0.15);
  padding: 6px 12px;
  border-radius: 999px;
  font-size: 13px;
}

.fortune-keywords span {
  display: inline-flex;
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(244, 198, 79, 0.4);
  margin-right: 6px;
  margin-bottom: 6px;
  font-size: 12px;
}

.fortune-summary {
  font-size: 15px;
  line-height: 1.7;
}

.fortune-advice {
  display: grid;
  gap: 8px;
  font-size: 14px;
  color: var(--ink-soft);
}

.result-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.daily-box {
  background: var(--card);
  border-radius: var(--radius);
  padding: 18px;
  box-shadow: var(--shadow);
}

.daily-title {
  font-family: var(--font-title);
  margin-bottom: 12px;
}

.daily-list {
  display: grid;
  gap: 10px;
}

.daily-item {
  padding: 10px 12px;
  border-radius: 12px;
  background: rgba(45, 91, 100, 0.08);
  display: grid;
  gap: 4px;
  font-size: 13px;
}

.daily-item span {
  font-family: var(--font-title);
  font-size: 14px;
}

.privacy-card {
  background: var(--card);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
  line-height: 1.8;
  color: var(--ink-soft);
  display: grid;
  gap: 18px;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  padding: 20px 6vw 40px;
  color: var(--ink-soft);
  font-size: 12px;
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(18px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes float {
  0%,
  100% {
    transform: translateY(0) rotate(0deg);
  }
  50% {
    transform: translateY(16px) rotate(6deg);
  }
}

@media (max-width: 860px) {
  .site-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }

  .site-nav {
    flex-wrap: wrap;
  }

  .result-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 620px) {
  main {
    padding: 16px 5vw 50px;
  }

  .site-header {
    padding: 22px 5vw 8px;
  }

  .brand-mark {
    width: 40px;
    height: 40px;
    font-size: 20px;
  }

  .hero {
    gap: 24px;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .form-grid {
    padding: 18px;
  }

  .result-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .site-footer {
    flex-direction: column;
    gap: 8px;
  }
}

@media (max-width: 520px) {
  .site-nav {
    width: 100%;
    gap: 8px;
  }

  .site-nav button {
    flex: 1 1 30%;
    padding: 10px 12px;
    font-size: 14px;
  }

  .form-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .field input,
  .field select {
    font-size: 16px;
  }

  .photo-preview {
    min-height: 100px;
  }
}