/* ===================================================
   探花科普平台 - TanHua v7 主样式表
   CSS前缀: th7-
   主色调: 叶脉绿 #556B2F
   辅助色: 花瓣水彩粉 #E6A4B4 / 晨露白 #F5F5F5
   =================================================== */

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

:root {
  --th7-green: #556B2F;
  --th7-green-light: #6B8E3A;
  --th7-green-dark: #3E5020;
  --th7-pink: #E6A4B4;
  --th7-pink-light: #F0C4CF;
  --th7-white: #F5F5F5;
  --th7-cream: #FAF8F0;
  --th7-paper: #FDF9F0;
  --th7-text: #3A3A3A;
  --th7-text-light: #6B6B6B;
  --th7-shadow: rgba(85, 107, 47, 0.12);
  --th7-radius: 12px;
  --th7-radius-sm: 8px;
  --th7-transition: 0.3s ease;
}

html { font-size: 16px; scroll-behavior: smooth; }

body {
  font-family: "Source Han Sans SC", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  color: var(--th7-text);
  background-color: var(--th7-cream);
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
  font-family: "FangSong", "STFangsong", "SimSun", "Noto Serif SC", serif;
  color: var(--th7-green-dark);
  line-height: 1.4;
}

a { color: var(--th7-green); text-decoration: none; transition: color var(--th7-transition); }
a:hover { color: var(--th7-pink); }

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

/* --- 320px Mobile Base --- */

/* Navigation */
.th7-header {
  background: rgba(250, 248, 240, 0.88);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 2px solid var(--th7-green);
  padding: 12px 16px;
  z-index: 100;
  position: relative;
}

.th7-nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1440px;
  margin: 0 auto;
}

.th7-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: "FangSong", serif;
  font-size: 1.25rem;
  font-weight: bold;
  color: var(--th7-green-dark);
}

.th7-logo img { width: 36px; height: 36px; border-radius: 50%; }

.th7-nav-links {
  display: none;
  list-style: none;
  flex-direction: column;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: rgba(250, 248, 240, 0.96);
  backdrop-filter: blur(12px);
  border-bottom: 2px solid var(--th7-green);
  padding: 16px;
  gap: 4px;
}

.th7-nav-links.th7-nav-active { display: flex; }

.th7-nav-link {
  display: block;
  padding: 10px 16px;
  font-size: 1rem;
  color: var(--th7-text);
  border-radius: var(--th7-radius-sm);
  transition: all var(--th7-transition);
  position: relative;
}

.th7-nav-link:hover,
.th7-nav-link.th7-active {
  color: var(--th7-pink);
  background: rgba(230, 164, 180, 0.08);
}

.th7-nav-link::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 16px;
  right: 16px;
  height: 2px;
  background: var(--th7-pink);
  transform: scaleX(0);
  transition: transform var(--th7-transition);
}

.th7-nav-link:hover::after { transform: scaleX(1); }

.th7-nav-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

.th7-search-box {
  display: none;
  padding: 8px 14px;
  border: 1px solid var(--th7-green);
  border-radius: 20px;
  background: var(--th7-white);
  font-size: 0.875rem;
  outline: none;
  width: 180px;
  transition: border-color var(--th7-transition);
}

.th7-search-box:focus { border-color: var(--th7-pink); }

.th7-btn-login {
  padding: 6px 16px;
  background: var(--th7-green);
  color: #fff;
  border: none;
  border-radius: 20px;
  font-size: 0.875rem;
  cursor: pointer;
  transition: background var(--th7-transition);
}

.th7-btn-login:hover { background: var(--th7-green-light); }

.th7-hamburger {
  display: flex;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
  background: none;
  border: none;
}

.th7-hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--th7-green-dark);
  transition: all var(--th7-transition);
}

/* Hero Banner */
.th7-hero {
  position: relative;
  width: 100%;
  overflow: hidden;
  height: 60vh;
  min-height: 320px;
}

.th7-hero-slides {
  display: flex;
  width: 400%;
  height: 100%;
  transition: transform 0.8s ease;
}

.th7-hero-slide {
  width: 25%;
  height: 100%;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.th7-hero-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  position: absolute;
  top: 0;
  left: 0;
}

.th7-hero-overlay {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 24px;
  background: rgba(250, 248, 240, 0.75);
  backdrop-filter: blur(6px);
  border-radius: var(--th7-radius);
  max-width: 90%;
}

.th7-hero-title {
  font-size: 1.5rem;
  color: var(--th7-green-dark);
  margin-bottom: 8px;
}

.th7-hero-subtitle {
  font-size: 0.95rem;
  color: var(--th7-text-light);
  margin-bottom: 16px;
  line-height: 1.6;
}

.th7-hero-dots {
  position: absolute;
  bottom: 16px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 8px;
  z-index: 3;
}

.th7-hero-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255,255,255,0.6);
  border: 1px solid var(--th7-green);
  cursor: pointer;
  transition: background var(--th7-transition);
}

.th7-hero-dot.th7-dot-active { background: var(--th7-green); }

/* Buttons */
.th7-btn {
  display: inline-block;
  padding: 10px 24px;
  border-radius: 24px;
  font-size: 0.95rem;
  cursor: pointer;
  transition: all var(--th7-transition);
  border: none;
  text-align: center;
}

.th7-btn-primary {
  background: var(--th7-green);
  color: #fff;
}

.th7-btn-primary:hover {
  background: var(--th7-green-light);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 4px 16px var(--th7-shadow);
}

.th7-btn-secondary {
  background: transparent;
  color: var(--th7-green);
  border: 2px solid var(--th7-green);
}

.th7-btn-secondary:hover {
  background: var(--th7-green);
  color: #fff;
}

/* Section */
.th7-section {
  padding: 40px 16px;
  max-width: 1440px;
  margin: 0 auto;
}

.th7-section-title {
  font-size: 1.5rem;
  text-align: center;
  margin-bottom: 8px;
  color: var(--th7-green-dark);
}

.th7-section-desc {
  text-align: center;
  color: var(--th7-text-light);
  margin-bottom: 32px;
  font-size: 0.95rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* Plant Cards */
.th7-card-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

.th7-plant-card {
  background: var(--th7-paper);
  border-radius: var(--th7-radius);
  overflow: hidden;
  box-shadow: 0 2px 12px var(--th7-shadow);
  transition: transform var(--th7-transition), box-shadow var(--th7-transition);
}

.th7-plant-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px var(--th7-shadow);
}

.th7-plant-card img {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.th7-card-body {
  padding: 16px;
}

.th7-card-title {
  font-size: 1.1rem;
  margin-bottom: 4px;
  color: var(--th7-green-dark);
}

.th7-card-latin {
  font-style: italic;
  font-size: 0.85rem;
  color: var(--th7-text-light);
  margin-bottom: 8px;
}

.th7-card-text {
  font-size: 0.9rem;
  color: var(--th7-text);
  line-height: 1.7;
}

.th7-card-tag {
  display: inline-block;
  padding: 3px 10px;
  background: rgba(85, 107, 47, 0.1);
  color: var(--th7-green);
  border-radius: 12px;
  font-size: 0.8rem;
  margin-top: 8px;
  margin-right: 4px;
}

/* Daily Flower */
.th7-daily-flower {
  display: flex;
  flex-direction: column;
  gap: 24px;
  background: var(--th7-paper);
  border-radius: var(--th7-radius);
  padding: 24px;
  box-shadow: 0 2px 12px var(--th7-shadow);
}

.th7-daily-img { border-radius: var(--th7-radius); overflow: hidden; }
.th7-daily-img img { width: 100%; height: auto; }

.th7-daily-info h3 { font-size: 1.3rem; margin-bottom: 4px; }
.th7-daily-latin { font-style: italic; color: var(--th7-text-light); font-size: 0.9rem; margin-bottom: 12px; }
.th7-daily-desc { font-size: 0.95rem; line-height: 1.8; margin-bottom: 12px; }
.th7-daily-meta { font-size: 0.85rem; color: var(--th7-text-light); }
.th7-daily-meta span { margin-right: 16px; }

/* CTA Map */
.th7-cta-map {
  position: relative;
  border-radius: var(--th7-radius);
  overflow: hidden;
  min-height: 300px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.th7-cta-map img {
  position: absolute;
  width: 100%;
  height: 100%;
  object-fit: cover;
  top: 0;
  left: 0;
}

.th7-cta-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 32px 24px;
  background: rgba(250, 248, 240, 0.82);
  backdrop-filter: blur(8px);
  border-radius: var(--th7-radius);
  max-width: 90%;
}

.th7-cta-content h2 { font-size: 1.5rem; margin-bottom: 8px; }
.th7-cta-content p { margin-bottom: 20px; color: var(--th7-text-light); }

/* Video Section */
.th7-video-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

.th7-video-card {
  position: relative;
  border-radius: var(--th7-radius);
  overflow: hidden;
  cursor: pointer;
  box-shadow: 0 2px 12px var(--th7-shadow);
}

.th7-video-card img { width: 100%; height: 200px; object-fit: cover; }

.th7-video-play-icon {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 56px;
  height: 56px;
  background: rgba(255,255,255,0.85);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform var(--th7-transition);
}

.th7-video-play-icon::after {
  content: '';
  display: block;
  width: 0;
  height: 0;
  border-left: 18px solid var(--th7-green);
  border-top: 12px solid transparent;
  border-bottom: 12px solid transparent;
  margin-left: 4px;
}

.th7-video-card:hover .th7-video-play-icon { transform: translate(-50%, -50%) scale(1.1); }

.th7-video-title {
  padding: 12px 16px;
  background: var(--th7-paper);
  font-size: 0.95rem;
  color: var(--th7-green-dark);
}

/* Video Modal */
.th7-modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0,0,0,0.8);
  z-index: 1000;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.th7-modal.th7-modal-active { display: flex; }

.th7-modal-content {
  position: relative;
  width: 100%;
  max-width: 900px;
  background: #000;
  border-radius: var(--th7-radius);
  overflow: hidden;
}

.th7-modal-close {
  position: absolute;
  top: -40px;
  right: 0;
  color: #fff;
  font-size: 2rem;
  cursor: pointer;
  background: none;
  border: none;
  z-index: 10;
}

.th7-video-player { width: 100%; display: block; }

/* Community */
.th7-community-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.th7-community-card {
  border-radius: var(--th7-radius);
  overflow: hidden;
  box-shadow: 0 2px 12px var(--th7-shadow);
  background: var(--th7-paper);
}

.th7-community-card img { width: 100%; height: 200px; object-fit: cover; }

.th7-community-body { padding: 12px 16px; }
.th7-community-body h3 { font-size: 1rem; margin-bottom: 4px; }
.th7-community-body p { font-size: 0.85rem; color: var(--th7-text-light); }

/* Identify Form */
.th7-identify-section {
  background: var(--th7-paper);
  border-radius: var(--th7-radius);
  padding: 32px 20px;
  box-shadow: 0 2px 12px var(--th7-shadow);
  text-align: center;
}

.th7-identify-section h2 { margin-bottom: 8px; }
.th7-identify-section > p { margin-bottom: 24px; color: var(--th7-text-light); }

.th7-form-group {
  margin-bottom: 16px;
  text-align: left;
}

.th7-form-label {
  display: block;
  font-size: 0.9rem;
  color: var(--th7-text);
  margin-bottom: 6px;
  font-weight: 500;
}

.th7-form-input,
.th7-form-textarea,
.th7-form-file {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid #ccc;
  border-radius: var(--th7-radius-sm);
  font-size: 0.95rem;
  background: #fff;
  transition: border-color var(--th7-transition);
}

.th7-form-input:focus,
.th7-form-textarea:focus {
  outline: none;
  border-color: var(--th7-green);
}

.th7-form-textarea { min-height: 100px; resize: vertical; }

/* Footer */
.th7-footer {
  background: var(--th7-green-dark);
  color: rgba(255,255,255,0.85);
  padding: 40px 16px 20px;
}

.th7-footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  max-width: 1440px;
  margin: 0 auto;
}

.th7-footer-col h4 {
  color: #fff;
  font-size: 1.05rem;
  margin-bottom: 12px;
  font-family: "FangSong", serif;
}

.th7-footer-col ul { list-style: none; }
.th7-footer-col li { margin-bottom: 8px; }
.th7-footer-col a { color: rgba(255,255,255,0.75); transition: color var(--th7-transition); }
.th7-footer-col a:hover { color: var(--th7-pink-light); }
.th7-footer-col p { font-size: 0.9rem; line-height: 1.7; color: rgba(255,255,255,0.7); }

.th7-footer-honors {
  border-top: 1px solid rgba(255,255,255,0.15);
  padding-top: 24px;
  margin-top: 24px;
  max-width: 1440px;
  margin-left: auto;
  margin-right: auto;
}

.th7-honor-list {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
  margin-bottom: 20px;
}

.th7-honor-item {
  background: rgba(255,255,255,0.08);
  padding: 8px 16px;
  border-radius: var(--th7-radius-sm);
  font-size: 0.85rem;
  color: rgba(255,255,255,0.8);
}

.th7-footer-bottom {
  text-align: center;
  padding-top: 16px;
  border-top: 1px solid rgba(255,255,255,0.1);
  font-size: 0.85rem;
  color: rgba(255,255,255,0.6);
}

.th7-auth-number {
  display: block;
  margin-top: 8px;
  font-size: 0.8rem;
  color: rgba(255,255,255,0.5);
}

/* Breadcrumb */
.th7-breadcrumb {
  padding: 12px 16px;
  max-width: 1440px;
  margin: 0 auto;
  font-size: 0.85rem;
  color: var(--th7-text-light);
}

.th7-breadcrumb a { color: var(--th7-green); }
.th7-breadcrumb span { margin: 0 6px; }

/* Article Content */
.th7-article {
  max-width: 800px;
  margin: 0 auto;
  padding: 24px 16px 48px;
}

.th7-article h1 { font-size: 1.6rem; margin-bottom: 16px; }
.th7-article h2 { font-size: 1.3rem; margin: 32px 0 12px; }
.th7-article h3 { font-size: 1.1rem; margin: 24px 0 8px; }
.th7-article p { margin-bottom: 16px; font-size: 1rem; line-height: 1.9; }
.th7-article img { border-radius: var(--th7-radius); margin: 20px 0; }

.th7-article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 0.85rem;
  color: var(--th7-text-light);
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid rgba(85,107,47,0.15);
}

/* FAQ */
.th7-faq-list { max-width: 800px; margin: 0 auto; }

.th7-faq-item {
  background: var(--th7-paper);
  border-radius: var(--th7-radius-sm);
  margin-bottom: 12px;
  overflow: hidden;
  box-shadow: 0 1px 6px var(--th7-shadow);
}

.th7-faq-question {
  padding: 16px 20px;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.95rem;
}

.th7-faq-question::after {
  content: '+';
  font-size: 1.3rem;
  color: var(--th7-green);
  transition: transform var(--th7-transition);
}

.th7-faq-item.th7-faq-open .th7-faq-question::after {
  transform: rotate(45deg);
}

.th7-faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.4s ease;
  padding: 0 20px;
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--th7-text-light);
}

.th7-faq-item.th7-faq-open .th7-faq-answer {
  max-height: 500px;
  padding: 0 20px 16px;
}

/* Map Page */
.th7-map-container {
  position: relative;
  border-radius: var(--th7-radius);
  overflow: hidden;
  min-height: 300px;
  margin-bottom: 32px;
}

.th7-map-container img { width: 100%; height: auto; }

.th7-map-pins {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

.th7-map-pin {
  position: absolute;
  width: 24px;
  height: 24px;
  background: var(--th7-pink);
  border: 2px solid #fff;
  border-radius: 50%;
  cursor: pointer;
  transform: translate(-50%, -50%);
  transition: transform var(--th7-transition);
  box-shadow: 0 2px 8px rgba(0,0,0,0.2);
}

.th7-map-pin:hover { transform: translate(-50%, -50%) scale(1.3); }

.th7-map-pin::after {
  content: attr(data-name);
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%);
  background: var(--th7-paper);
  padding: 4px 10px;
  border-radius: 6px;
  font-size: 0.75rem;
  white-space: nowrap;
  opacity: 0;
  transition: opacity var(--th7-transition);
  box-shadow: 0 2px 8px var(--th7-shadow);
  margin-bottom: 6px;
}

.th7-map-pin:hover::after { opacity: 1; }

.th7-discovery-feed {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.th7-discovery-card {
  background: var(--th7-paper);
  border-radius: var(--th7-radius-sm);
  padding: 16px;
  box-shadow: 0 1px 8px var(--th7-shadow);
}

.th7-discovery-card h4 { font-size: 1rem; margin-bottom: 4px; }
.th7-discovery-card .th7-discovery-location { font-size: 0.8rem; color: var(--th7-text-light); margin-bottom: 8px; }
.th7-discovery-card p { font-size: 0.9rem; }

/* App Download */
.th7-app-hero {
  text-align: center;
  padding: 48px 16px;
  background: linear-gradient(135deg, rgba(85,107,47,0.08), rgba(230,164,180,0.08));
}

.th7-app-mockup { max-width: 280px; margin: 0 auto 24px; }
.th7-app-mockup img { border-radius: 24px; box-shadow: 0 8px 32px var(--th7-shadow); }

.th7-app-buttons {
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: center;
  margin-top: 24px;
}

.th7-app-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: 28px;
  font-size: 1rem;
  font-weight: 500;
  transition: all var(--th7-transition);
  cursor: pointer;
  border: none;
  min-width: 200px;
  justify-content: center;
}

.th7-app-btn-ios {
  background: var(--th7-green-dark);
  color: #fff;
}

.th7-app-btn-android {
  background: var(--th7-green);
  color: #fff;
}

.th7-app-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 16px var(--th7-shadow);
}

.th7-app-features {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  padding: 40px 16px;
  max-width: 1200px;
  margin: 0 auto;
}

.th7-app-feature {
  text-align: center;
  padding: 24px;
  background: var(--th7-paper);
  border-radius: var(--th7-radius);
  box-shadow: 0 2px 12px var(--th7-shadow);
}

.th7-app-feature-icon {
  width: 48px;
  height: 48px;
  background: rgba(85,107,47,0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 12px;
  font-size: 1.5rem;
}

/* Watercolor Class */
.th7-course-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

.th7-course-card {
  background: var(--th7-paper);
  border-radius: var(--th7-radius);
  overflow: hidden;
  box-shadow: 0 2px 12px var(--th7-shadow);
  transition: transform var(--th7-transition);
}

.th7-course-card:hover { transform: translateY(-4px); }
.th7-course-card img { width: 100%; height: 180px; object-fit: cover; }

.th7-course-body { padding: 16px; }
.th7-course-body h3 { font-size: 1.05rem; margin-bottom: 8px; }
.th7-course-body p { font-size: 0.9rem; color: var(--th7-text-light); }

.th7-course-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 12px;
  font-size: 0.8rem;
  color: var(--th7-text-light);
}

/* Alert / Toast */
.th7-toast {
  display: none;
  position: fixed;
  top: 20px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--th7-green);
  color: #fff;
  padding: 14px 28px;
  border-radius: var(--th7-radius);
  font-size: 0.95rem;
  z-index: 2000;
  box-shadow: 0 4px 20px rgba(0,0,0,0.2);
  animation: th7-fadeIn 0.3s ease;
}

.th7-toast.th7-toast-show { display: block; }

@keyframes th7-fadeIn {
  from { opacity: 0; transform: translateX(-50%) translateY(-10px); }
  to { opacity: 1; transform: translateX(-50%) translateY(0); }
}

/* Two Column Layout */
.th7-two-col {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

/* Divider */
.th7-divider {
  width: 60px;
  height: 3px;
  background: var(--th7-pink);
  margin: 8px auto 24px;
  border-radius: 2px;
}

/* Blockquote */
.th7-blockquote {
  border-left: 3px solid var(--th7-pink);
  padding: 16px 20px;
  margin: 20px 0;
  background: rgba(230, 164, 180, 0.06);
  border-radius: 0 var(--th7-radius-sm) var(--th7-radius-sm) 0;
  font-style: italic;
  color: var(--th7-text-light);
}

/* ===== 768px Tablet ===== */
@media (min-width: 768px) {
  .th7-hero { height: 65vh; }
  .th7-hero-title { font-size: 2rem; }
  .th7-hero-subtitle { font-size: 1.05rem; }

  .th7-card-grid { grid-template-columns: repeat(2, 1fr); }
  .th7-video-grid { grid-template-columns: repeat(2, 1fr); }
  .th7-community-grid { grid-template-columns: repeat(2, 1fr); }
  .th7-course-grid { grid-template-columns: repeat(2, 1fr); }
  .th7-discovery-feed { grid-template-columns: repeat(2, 1fr); }
  .th7-app-features { grid-template-columns: repeat(2, 1fr); }
  .th7-footer-grid { grid-template-columns: repeat(2, 1fr); }
  .th7-two-col { grid-template-columns: 1fr 1fr; }

  .th7-daily-flower { flex-direction: row; align-items: center; }
  .th7-daily-img { flex: 0 0 40%; }

  .th7-section { padding: 56px 24px; }
  .th7-section-title { font-size: 1.75rem; }

  .th7-app-buttons { flex-direction: row; justify-content: center; }
}

/* ===== 1024px Desktop ===== */
@media (min-width: 1024px) {
  .th7-hamburger { display: none; }

  .th7-nav-links {
    display: flex !important;
    flex-direction: row;
    position: static;
    background: none;
    backdrop-filter: none;
    border: none;
    padding: 0;
    gap: 4px;
  }

  .th7-search-box { display: block; }

  .th7-hero { height: 70vh; }
  .th7-hero-title { font-size: 2.4rem; }
  .th7-hero-overlay { max-width: 600px; padding: 40px; }

  .th7-card-grid { grid-template-columns: repeat(3, 1fr); }
  .th7-community-grid { grid-template-columns: repeat(3, 1fr); }
  .th7-course-grid { grid-template-columns: repeat(3, 1fr); }
  .th7-footer-grid { grid-template-columns: repeat(4, 1fr); }
  .th7-app-features { grid-template-columns: repeat(3, 1fr); }

  .th7-section { padding: 72px 32px; }
  .th7-section-title { font-size: 2rem; }

  .th7-article { padding: 32px 16px 64px; }
  .th7-article h1 { font-size: 2rem; }
}

/* ===== 1440px Wide ===== */
@media (min-width: 1440px) {
  .th7-hero { height: 75vh; }
  .th7-hero-title { font-size: 2.8rem; }

  .th7-card-grid { grid-template-columns: repeat(4, 1fr); }
  .th7-section { padding: 80px 40px; }
}