:root {
  --bg: #f8f3ee;
  --panel: #fffaf5;
  --text: #2f2a26;
  --muted: #6f635a;
  --line: #eadfda;
  --shadow: 0 18px 40px rgba(89, 63, 42, 0.1);
  --primary: #b86b6b;
  --primary-dark: #8f4f4f;
  --soft: #f3e5df;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Noto Sans TC", "Microsoft JhengHei", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, #fff 0%, transparent 35%),
    linear-gradient(180deg, #fffdfb 0%, var(--bg) 100%);
}

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

.hero {
  padding: 72px 20px 34px;
  background:
    linear-gradient(135deg, rgba(184, 107, 107, 0.12), rgba(255, 214, 162, 0.18)),
    linear-gradient(180deg, #fff 0%, #fff8f2 100%);
  border-bottom: 1px solid var(--line);
}

.hero__inner,
.page {
  width: min(1080px, calc(100% - 32px));
  margin: 0 auto;
}

.hero__tag {
  display: inline-block;
  margin: 0 0 14px;
  padding: 8px 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(184, 107, 107, 0.16);
  color: var(--primary-dark);
  font-size: 0.95rem;
}

h1 {
  margin: 0;
  font-size: clamp(2.4rem, 5vw, 4.8rem);
  line-height: 1.05;
}

.hero__text {
  max-width: 680px;
  margin: 18px 0 28px;
  color: var(--muted);
  line-height: 1.9;
}

.hero__image {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 20px;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  margin: 14px 0 18px;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 18px;
  border-radius: 14px;
  border: 1px solid transparent;
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.2s ease, background 0.2s ease;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn--primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
}

.btn--ghost {
  background: #fff;
  border-color: var(--line);
}

.btn--small {
  min-height: 42px;
  background: #fff;
  border-color: var(--line);
}

.panel,
.flower-card,
.tip,
.result-bar {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 24px;
  box-shadow: var(--shadow);
}

.panel,
.cards-section {
  margin-top: 22px;
}

.panel {
  padding: 26px;
}

.section-head h2,
.flower-card h3,
.tip h3 {
  margin: 0 0 8px;
}

.section-head p,
.flower-card p,
.tip p,
.result-text,
.footer p {
  margin: 0;
  color: var(--muted);
  line-height: 1.8;
}

.filters {
  display: grid;
  gap: 18px;
  margin-top: 22px;
}

.filter-block h3 {
  margin: 0 0 10px;
  font-size: 1rem;
}

.filter-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.filter-btn {
  border: 1px solid var(--line);
  background: #fff;
  color: var(--text);
  padding: 10px 16px;
  border-radius: 999px;
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease, transform 0.2s ease;
}

.filter-btn:hover {
  transform: translateY(-1px);
}

.filter-btn.active {
  background: var(--primary-dark);
  color: #fff;
  border-color: var(--primary-dark);
}

.result-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  margin-top: 22px;
  padding: 18px 20px;
}

.result-label {
  margin: 0 0 6px;
  font-size: 0.9rem;
  color: var(--primary-dark);
  font-weight: 700;
}

.cards-section {
  padding-bottom: 10px;
}

.flower-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 18px;
  margin-top: 18px;
}

.flower-card {
  padding: 22px;
  position: relative;
  overflow: hidden;
  min-height: 250px;
}

.flower-card__image {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  display: block;
  border-radius: 18px;
  border: 1px solid var(--line);
  margin-bottom: 16px;
  background: #fff;
}

.flower-card::before {
  content: "";
  position: absolute;
  inset: auto -30px -30px auto;
  width: 120px;
  height: 120px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(184, 107, 107, 0.14), transparent 65%);
}

.flower-card__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
}

.tag {
  padding: 6px 10px;
  border-radius: 999px;
  background: var(--soft);
  color: var(--primary-dark);
  font-size: 0.88rem;
}

.flower-card h3 {
  font-size: 1.2rem;
}

.flower-card p {
  margin-top: 8px;
}

.flower-card__note {
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px dashed var(--line);
  font-weight: 700;
  color: var(--primary-dark);
}

.is-hidden {
  display: none;
}

.tips {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 18px;
}

.tip {
  padding: 20px;
}

.newsletter__form {
  margin-top: 18px;
}

.newsletter__field {
  flex: 1;
}

.newsletter__label {
  display: block;
  margin-bottom: 10px;
  font-weight: 700;
}

.newsletter__row {
  display: flex;
  gap: 12px;
  margin-bottom: 14px;
}

.newsletter__input {
  min-width: 0;
  width: 100%;
  padding: 14px 16px;
  border-radius: 14px;
  border: 1px solid var(--line);
  font-size: 1rem;
  font-family: inherit;
}

.newsletter__input:focus {
  outline: 2px solid rgba(184, 107, 107, 0.25);
  border-color: var(--primary);
}

.newsletter__btn {
  width: auto;
}

.footer {
  padding: 24px 16px 36px;
  text-align: center;
}

@media (max-width: 640px) {
  .hero {
    padding-top: 40px;
  }

  .panel {
    padding: 20px;
  }

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

  .btn {
    width: 100%;
  }

  .newsletter__row {
    flex-direction: column;
  }

  .newsletter__btn {
    width: 100%;
  }
}