/* =============================================
   探花 (TanHua) - 城市花艺探店与花卉文化平台
   CSS Design System v1.0
   Prefix: th-
   ============================================= */

/* --- CSS Variables --- */
:root {
  --th-pink: #FADADD;
  --th-pink-dark: #E8B4B8;
  --th-pink-hover: #F0C0C4;
  --th-green: #A3C9A8;
  --th-green-dark: #7BA882;
  --th-cream: #FEFBF6;
  --th-white: #FFFFFF;
  --th-text-dark: #3A3A3A;
  --th-text-light: #6B6B6B;
  --th-text-muted: #999999;
  --th-border: #F0E8E4;
  --th-shadow: rgba(0, 0, 0, 0.06);
  --th-shadow-hover: rgba(0, 0, 0, 0.12);
  --th-font-heading: 'Playfair Display', 'Noto Serif SC', Georgia, serif;
  --th-font-body: 'Lato', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
  --th-radius: 12px;
  --th-radius-sm: 8px;
  --th-transition: all 0.3s ease;
}

/* --- Reset & Base (Mobile-First) --- */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--th-font-body);
  color: var(--th-text-dark);
  background-color: var(--th-cream);
  line-height: 1.8;
  overflow-x: hidden;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--th-text-dark);
  text-decoration: none;
  transition: var(--th-transition);
}

a:hover {
  color: var(--th-pink-dark);
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--th-font-heading);
  line-height: 1.4;
  color: var(--th-text-dark);
}

ul, ol {
  list-style: none;
}

/* --- Container --- */
.th-container {
  width: 100%;
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 16px;
}

/* --- Navigation --- */
.th-nav {
  background-color: var(--th-cream);
  box-shadow: 0 2px 12px var(--th-shadow);
  padding: 12px 0;
  position: relative;
  z-index: 100;
}

.th-nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
}

.th-nav-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--th-font-heading);
  font-size: 1.25rem;
  color: var(--th-pink-dark);
  font-weight: 700;
}

.th-nav-logo img {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  object-fit: cover;
}

.th-nav-links {
  display: none;
  width: 100%;
  flex-direction: column;
  gap: 0;
  padding-top: 12px;
}

.th-nav-links.th-nav-active {
  display: flex;
}

.th-nav-link {
  display: block;
  padding: 10px 0;
  font-size: 0.95rem;
  color: var(--th-text-dark);
  border-bottom: 1px solid var(--th-border);
  position: relative;
}

.th-nav-link:hover,
.th-nav-link.th-active {
  color: var(--th-pink-dark);
}

.th-nav-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

.th-nav-search {
  display: none;
}

.th-nav-search input {
  border: 1px solid var(--th-border);
  border-radius: 20px;
  padding: 6px 16px;
  font-size: 0.85rem;
  background: var(--th-white);
  outline: none;
  width: 160px;
  transition: var(--th-transition);
  font-family: var(--th-font-body);
}

.th-nav-search input:focus {
  border-color: var(--th-pink-dark);
  width: 200px;
}

.th-nav-cta {
  display: none;
  padding: 8px 18px;
  background: var(--th-pink);
  color: var(--th-text-dark);
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: var(--th-transition);
  font-family: var(--th-font-body);
}

.th-nav-cta:hover {
  background: var(--th-pink-dark);
  color: var(--th-white);
}

/* Hamburger Menu */
.th-hamburger {
  display: flex;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
  background: none;
  border: none;
}

.th-hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--th-text-dark);
  transition: var(--th-transition);
  border-radius: 2px;
}

/* --- Hero Banner --- */
.th-hero {
  position: relative;
  width: 100%;
  height: 80vh;
  min-height: 400px;
  overflow: hidden;
}

.th-hero-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.th-hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to bottom, rgba(254,251,246,0.3) 0%, rgba(254,251,246,0.7) 100%);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 20px;
}

.th-hero-title {
  font-size: 2rem;
  color: var(--th-text-dark);
  margin-bottom: 12px;
  text-shadow: 0 1px 3px rgba(255,255,255,0.5);
}

.th-hero-subtitle {
  font-size: 1rem;
  color: var(--th-text-light);
  margin-bottom: 24px;
  max-width: 600px;
}

.th-hero-btn {
  display: inline-block;
  padding: 14px 36px;
  background: var(--th-pink);
  color: var(--th-text-dark);
  border-radius: 30px;
  font-size: 1rem;
  font-weight: 600;
  transition: var(--th-transition);
  border: 2px solid transparent;
  font-family: var(--th-font-body);
}

.th-hero-btn:hover {
  background: var(--th-pink-dark);
  color: var(--th-white);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(232,180,184,0.4);
}

/* --- Section Common --- */
.th-section {
  padding: 48px 0;
}

.th-section-title {
  font-size: 1.5rem;
  text-align: center;
  margin-bottom: 12px;
  color: var(--th-text-dark);
}

.th-section-desc {
  text-align: center;
  color: var(--th-text-light);
  margin-bottom: 36px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  font-size: 0.95rem;
}

/* --- Shop Cards --- */
.th-shop-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

.th-shop-card {
  background: var(--th-white);
  border-radius: var(--th-radius);
  overflow: hidden;
  box-shadow: 0 4px 16px var(--th-shadow);
  transition: var(--th-transition);
}

.th-shop-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 32px var(--th-shadow-hover);
}

.th-shop-card-img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.th-shop-card:hover .th-shop-card-img {
  transform: scale(1.05);
}

.th-shop-card-imgwrap {
  overflow: hidden;
}

.th-shop-card-body {
  padding: 16px;
}

.th-shop-card-name {
  font-family: var(--th-font-heading);
  font-size: 1.1rem;
  margin-bottom: 6px;
}

.th-shop-card-desc {
  font-size: 0.85rem;
  color: var(--th-text-light);
  margin-bottom: 12px;
}

.th-shop-card-link {
  font-size: 0.85rem;
  color: var(--th-pink-dark);
  font-weight: 600;
}

.th-shop-card-link:hover {
  color: var(--th-green-dark);
}

/* --- Masonry / Works Grid --- */
.th-works-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

.th-work-item {
  border-radius: var(--th-radius-sm);
  overflow: hidden;
  cursor: pointer;
  position: relative;
}

.th-work-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.th-work-item:hover img {
  transform: scale(1.08);
}

.th-work-item:nth-child(1) { grid-row: span 2; }

/* --- Story Section --- */
.th-story {
  display: flex;
  flex-direction: column;
  gap: 24px;
  align-items: center;
}

.th-story-img {
  width: 100%;
  max-width: 400px;
  border-radius: var(--th-radius);
  box-shadow: 0 4px 20px var(--th-shadow);
}

.th-story-content {
  text-align: center;
}

.th-story-title {
  font-size: 1.3rem;
  margin-bottom: 12px;
  color: var(--th-text-dark);
}

.th-story-text {
  font-size: 0.95rem;
  color: var(--th-text-light);
  line-height: 1.9;
}

/* --- Map Entry --- */
.th-map-entry {
  position: relative;
  border-radius: var(--th-radius);
  overflow: hidden;
  min-height: 280px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.th-map-entry-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.3;
}

.th-map-entry-content {
  position: relative;
  z-index: 2;
  padding: 32px;
}

.th-map-entry-title {
  font-size: 1.4rem;
  margin-bottom: 8px;
}

.th-map-entry-desc {
  font-size: 0.95rem;
  color: var(--th-text-light);
  margin-bottom: 20px;
}

.th-btn-green {
  display: inline-block;
  padding: 12px 32px;
  background: var(--th-green);
  color: var(--th-white);
  border-radius: 30px;
  font-weight: 600;
  transition: var(--th-transition);
  font-family: var(--th-font-body);
}

.th-btn-green:hover {
  background: var(--th-green-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(163,201,168,0.4);
  color: var(--th-white);
}

/* --- Florist Column --- */
.th-florist-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

.th-florist-card {
  display: flex;
  gap: 16px;
  background: var(--th-white);
  border-radius: var(--th-radius);
  padding: 16px;
  box-shadow: 0 2px 12px var(--th-shadow);
  transition: var(--th-transition);
}

.th-florist-card:hover {
  box-shadow: 0 6px 24px var(--th-shadow-hover);
}

.th-florist-avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
  border: 3px solid var(--th-pink);
}

.th-florist-info h3 {
  font-size: 1rem;
  margin-bottom: 4px;
}

.th-florist-info p {
  font-size: 0.85rem;
  color: var(--th-text-light);
}

.th-florist-tag {
  display: inline-block;
  padding: 2px 10px;
  background: var(--th-pink);
  border-radius: 12px;
  font-size: 0.75rem;
  color: var(--th-text-dark);
  margin-top: 6px;
}

/* --- Daily Flower --- */
.th-daily {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 20px;
}

.th-daily-img {
  width: 200px;
  height: 200px;
  border-radius: 50%;
  object-fit: cover;
  border: 4px solid var(--th-pink);
  box-shadow: 0 4px 20px rgba(250,218,221,0.5);
}

.th-daily-name {
  font-family: var(--th-font-heading);
  font-size: 1.3rem;
  color: var(--th-text-dark);
}

.th-daily-desc {
  font-size: 0.9rem;
  color: var(--th-text-light);
  max-width: 500px;
}

/* --- Goods Grid --- */
.th-goods-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.th-good-card {
  background: var(--th-white);
  border-radius: var(--th-radius);
  overflow: hidden;
  box-shadow: 0 2px 12px var(--th-shadow);
  transition: var(--th-transition);
}

.th-good-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 20px var(--th-shadow-hover);
}

.th-good-card-img {
  width: 100%;
  height: 160px;
  object-fit: cover;
}

.th-good-card-body {
  padding: 12px;
}

.th-good-card-name {
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 4px;
}

.th-good-card-price {
  font-size: 0.85rem;
  color: var(--th-pink-dark);
  font-weight: 700;
}

/* --- Footer --- */
.th-footer {
  background: var(--th-text-dark);
  color: var(--th-white);
  padding: 48px 0 24px;
}

.th-footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  margin-bottom: 32px;
}

.th-footer-col h3 {
  font-family: var(--th-font-heading);
  font-size: 1.1rem;
  margin-bottom: 16px;
  color: var(--th-pink);
}

.th-footer-col p,
.th-footer-col a {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.7);
  line-height: 2;
}

.th-footer-col a:hover {
  color: var(--th-pink);
}

.th-footer-honors {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 24px;
  margin-bottom: 20px;
}

.th-footer-honors-list {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
}

.th-footer-honor-item {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.6);
  padding: 6px 14px;
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 20px;
  white-space: nowrap;
}

.th-footer-auth {
  text-align: center;
  font-size: 0.8rem;
  color: rgba(255,255,255,0.5);
  padding-top: 16px;
  border-top: 1px solid rgba(255,255,255,0.1);
}

.th-footer-auth span {
  color: var(--th-pink);
  font-weight: 600;
}

/* --- Modal --- */
.th-modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0,0,0,0.85);
  z-index: 9999;
  justify-content: center;
  align-items: center;
  padding: 20px;
}

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

.th-modal-content {
  max-width: 800px;
  width: 100%;
  position: relative;
}

.th-modal-img {
  width: 100%;
  border-radius: var(--th-radius);
}

.th-modal-close {
  position: absolute;
  top: -40px;
  right: 0;
  color: var(--th-white);
  font-size: 2rem;
  cursor: pointer;
  background: none;
  border: none;
  line-height: 1;
}

.th-modal-info {
  color: var(--th-white);
  text-align: center;
  padding: 12px 0;
  font-size: 0.9rem;
}

/* --- Inner Page Hero --- */
.th-page-hero {
  position: relative;
  height: 50vh;
  min-height: 300px;
  overflow: hidden;
}

.th-page-hero-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.th-page-hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to bottom, rgba(254,251,246,0.2), rgba(254,251,246,0.8));
  display: flex;
  align-items: center;
  justify-content: center;
}

.th-page-hero-title {
  font-size: 2rem;
  color: var(--th-text-dark);
  text-align: center;
  text-shadow: 0 1px 3px rgba(255,255,255,0.5);
}

/* --- Article Content --- */
.th-article {
  max-width: 800px;
  margin: 0 auto;
  padding: 40px 16px;
}

.th-article h2 {
  font-size: 1.4rem;
  margin: 32px 0 16px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--th-pink);
}

.th-article h3 {
  font-size: 1.15rem;
  margin: 24px 0 12px;
  color: var(--th-green-dark);
}

.th-article p {
  margin-bottom: 16px;
  font-size: 0.95rem;
  line-height: 2;
  color: var(--th-text-dark);
}

.th-article img {
  border-radius: var(--th-radius);
  margin: 20px 0;
  box-shadow: 0 4px 16px var(--th-shadow);
}

.th-article a {
  color: var(--th-pink-dark);
  border-bottom: 1px solid var(--th-pink);
}

.th-article a:hover {
  color: var(--th-green-dark);
  border-color: var(--th-green);
}

/* --- Form Styles --- */
.th-form {
  max-width: 640px;
  margin: 0 auto;
  padding: 32px;
  background: var(--th-white);
  border-radius: var(--th-radius);
  box-shadow: 0 4px 20px var(--th-shadow);
}

.th-form-group {
  margin-bottom: 20px;
}

.th-form-label {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--th-text-dark);
}

.th-form-input,
.th-form-textarea,
.th-form-select {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--th-border);
  border-radius: var(--th-radius-sm);
  font-size: 0.9rem;
  font-family: var(--th-font-body);
  transition: var(--th-transition);
  background: var(--th-cream);
}

.th-form-input:focus,
.th-form-textarea:focus {
  outline: none;
  border-color: var(--th-pink-dark);
  box-shadow: 0 0 0 3px rgba(250,218,221,0.4);
}

.th-form-textarea {
  min-height: 120px;
  resize: vertical;
}

.th-form-file {
  padding: 24px;
  border: 2px dashed var(--th-border);
  border-radius: var(--th-radius-sm);
  text-align: center;
  cursor: pointer;
  transition: var(--th-transition);
  background: var(--th-cream);
}

.th-form-file:hover {
  border-color: var(--th-pink-dark);
  background: var(--th-white);
}

.th-form-file-text {
  font-size: 0.85rem;
  color: var(--th-text-muted);
}

.th-form-submit {
  display: block;
  width: 100%;
  padding: 14px;
  background: var(--th-pink);
  color: var(--th-text-dark);
  border: none;
  border-radius: 30px;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  transition: var(--th-transition);
  font-family: var(--th-font-body);
}

.th-form-submit:hover {
  background: var(--th-pink-dark);
  color: var(--th-white);
  transform: translateY(-2px);
}

.th-form-success {
  display: none;
  text-align: center;
  padding: 32px;
  color: var(--th-green-dark);
  font-size: 1rem;
}

/* --- App Download --- */
.th-app-section {
  text-align: center;
  padding: 48px 16px;
}

.th-app-mockup {
  max-width: 280px;
  margin: 0 auto 32px;
  border-radius: 24px;
  box-shadow: 0 8px 40px var(--th-shadow-hover);
}

.th-app-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.th-app-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: 30px;
  font-weight: 600;
  font-size: 0.95rem;
  transition: var(--th-transition);
  font-family: var(--th-font-body);
}

.th-app-btn-ios {
  background: var(--th-text-dark);
  color: var(--th-white);
}

.th-app-btn-ios:hover {
  background: #555;
  color: var(--th-white);
}

.th-app-btn-android {
  background: var(--th-green);
  color: var(--th-white);
}

.th-app-btn-android:hover {
  background: var(--th-green-dark);
  color: var(--th-white);
}

/* --- Breadcrumb --- */
.th-breadcrumb {
  padding: 12px 0;
  font-size: 0.8rem;
  color: var(--th-text-muted);
}

.th-breadcrumb a {
  color: var(--th-text-muted);
}

.th-breadcrumb a:hover {
  color: var(--th-pink-dark);
}

.th-breadcrumb-sep {
  margin: 0 6px;
}

/* --- Benefits List --- */
.th-benefits {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-bottom: 40px;
}

.th-benefit-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px;
  background: var(--th-white);
  border-radius: var(--th-radius-sm);
  box-shadow: 0 2px 8px var(--th-shadow);
}

.th-benefit-icon {
  width: 40px;
  height: 40px;
  background: var(--th-pink);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 1.2rem;
}

.th-benefit-text h3 {
  font-size: 0.95rem;
  margin-bottom: 4px;
}

.th-benefit-text p {
  font-size: 0.8rem;
  color: var(--th-text-light);
}

/* --- Video Section --- */
.th-video-wrap {
  border-radius: var(--th-radius);
  overflow: hidden;
  box-shadow: 0 4px 20px var(--th-shadow);
  margin: 24px 0;
}

.th-video-wrap video {
  width: 100%;
  display: block;
}

/* --- Flower Language Cards --- */
.th-flower-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

.th-flower-card {
  background: var(--th-white);
  border-radius: var(--th-radius);
  padding: 20px;
  box-shadow: 0 2px 12px var(--th-shadow);
  transition: var(--th-transition);
}

.th-flower-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 24px var(--th-shadow-hover);
}

.th-flower-card-name {
  font-family: var(--th-font-heading);
  font-size: 1.1rem;
  color: var(--th-pink-dark);
  margin-bottom: 6px;
}

.th-flower-card-meaning {
  font-size: 0.9rem;
  color: var(--th-text-light);
  font-style: italic;
  margin-bottom: 8px;
}

.th-flower-card-desc {
  font-size: 0.85rem;
  color: var(--th-text-dark);
  line-height: 1.8;
}

/* --- Tag / Badge --- */
.th-tag {
  display: inline-block;
  padding: 3px 12px;
  background: var(--th-pink);
  border-radius: 12px;
  font-size: 0.75rem;
  color: var(--th-text-dark);
  margin-right: 6px;
  margin-bottom: 6px;
}

.th-tag-green {
  background: var(--th-green);
  color: var(--th-white);
}

/* --- Responsive: 768px --- */
@media (min-width: 768px) {
  .th-container {
    padding: 0 32px;
  }

  .th-hamburger {
    display: none;
  }

  .th-nav-links {
    display: flex;
    width: auto;
    flex-direction: row;
    gap: 20px;
    padding-top: 0;
  }

  .th-nav-link {
    padding: 4px 0;
    border-bottom: none;
    position: relative;
  }

  .th-nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--th-pink-dark);
    transition: width 0.3s ease;
  }

  .th-nav-link:hover::after,
  .th-nav-link.th-active::after {
    width: 100%;
  }

  .th-nav-search {
    display: block;
  }

  .th-nav-cta {
    display: inline-block;
  }

  .th-hero {
    height: 90vh;
  }

  .th-hero-title {
    font-size: 2.8rem;
  }

  .th-hero-subtitle {
    font-size: 1.15rem;
  }

  .th-section {
    padding: 64px 0;
  }

  .th-section-title {
    font-size: 1.8rem;
  }

  .th-shop-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .th-works-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .th-story {
    flex-direction: row;
    text-align: left;
  }

  .th-story-content {
    text-align: left;
  }

  .th-florist-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .th-goods-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .th-footer-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .th-benefits {
    grid-template-columns: repeat(2, 1fr);
  }

  .th-flower-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .th-page-hero-title {
    font-size: 2.5rem;
  }
}

/* --- Responsive: 1024px --- */
@media (min-width: 1024px) {
  .th-container {
    padding: 0 48px;
  }

  .th-hero-title {
    font-size: 3.2rem;
  }

  .th-section {
    padding: 80px 0;
  }

  .th-shop-card-img {
    height: 280px;
  }

  .th-works-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .th-benefits {
    grid-template-columns: repeat(4, 1fr);
  }

  .th-flower-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* --- Responsive: 1440px --- */
@media (min-width: 1440px) {
  .th-container {
    padding: 0 64px;
  }

  .th-hero-title {
    font-size: 3.6rem;
  }

  .th-section-title {
    font-size: 2rem;
  }

  .th-good-card-img {
    height: 200px;
  }
}

/* --- Utility --- */
.th-text-center { text-align: center; }
.th-mt-20 { margin-top: 20px; }
.th-mb-20 { margin-bottom: 20px; }
.th-mt-40 { margin-top: 40px; }
.th-mb-40 { margin-bottom: 40px; }
.th-hidden { display: none; }