:root {
  --primary: #FF6A00;
  --primary-light: #FFF0E5;
  --bg-light: #F7F8FA;
  --text-dark: #222;
  --text-gray: #666;
  --green: #00B578;
  --purple: #7C4DFF;
  --radius: 16px;
  --shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
  --shadow-hover: 0 12px 24px rgba(255, 106, 0, 0.15);
}
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Helvetica Neue", Arial, sans-serif;
  background-color: #fff;
  color: var(--text-dark);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a {
  text-decoration: none;
  color: inherit;
}
img {
  max-width: 100%;
  display: block;
}
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background-color: var(--primary);
  color: #fff;
  border-radius: 8px;
  padding: 10px 24px;
  font-size: 16px;
  font-weight: 500;
  transition: all 0.2s ease;
  border: none;
  cursor: pointer;
}
.btn:hover {
  background-color: #E65F00;
  transform: translateY(-1px);
}
.section {
  padding: 64px 0;
}
.section-gray {
  background-color: var(--bg-light);
}
.section-title {
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 32px;
  display: flex;
  align-items: center;
  position: relative;
}
.section-title::after {
  content: '';
  display: inline-block;
  width: 40px;
  height: 4px;
  background-color: var(--primary);
  border-radius: 2px;
  margin-left: 12px;
  margin-top: 8px;
}
.tag {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 12px;
  color: #fff;
}
.tag-orange { background-color: var(--primary); }
.tag-green { background-color: var(--green); }
.tag-purple { background-color: var(--purple); }

/* Header */
.header {
  position: sticky;
  top: 0;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 100;
  border-bottom: 1px solid #eee;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}
.logo-area {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 22px;
  font-weight: 700;
  color: var(--primary);
}
.logo-area img {
  height: 32px;
  width: auto;
}
.nav-links {
  display: flex;
  gap: 24px;
  font-size: 15px;
  color: var(--text-gray);
}
.nav-links a:hover {
  color: var(--primary);
}
.header-right {
  display: flex;
  align-items: center;
  gap: 16px;
}
.header-benefit {
  font-size: 12px;
  color: var(--primary);
  background: var(--primary-light);
  padding: 4px 8px;
  border-radius: 12px;
}
.mobile-menu-btn {
  display: none;
  font-size: 24px;
  cursor: pointer;
  color: var(--text-dark);
}

/* Hero */
.hero {
  background: radial-gradient(circle at 30% 30%, #FFF6F0 0%, #fff 60%);
  padding: 80px 0;
  overflow: hidden;
}
.hero-inner {
  display: flex;
  align-items: center;
  gap: 40px;
}
.hero-left {
  flex: 1;
}
.hero-left h1 {
  font-size: 48px;
  line-height: 1.2;
  font-weight: 800;
  margin-bottom: 16px;
}
.hero-sub {
  font-size: 18px;
  color: var(--text-gray);
  margin-bottom: 32px;
}
.download-badges {
  display: flex;
  gap: 12px;
  margin-bottom: 24px;
}
.badge-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border: 1px solid #ddd;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
}
.badge-btn:hover {
  border-color: var(--primary);
  color: var(--primary);
}
.qr-section {
  display: flex;
  align-items: center;
  gap: 20px;
  background: #fff;
  padding: 16px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  width: fit-content;
}
.qr-code {
  width: 80px;
  height: 80px;
  background: #f0f0f0;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  color: #999;
}
.trust-data {
  margin-top: 32px;
  font-size: 14px;
  color: var(--text-gray);
  display: flex;
  gap: 16px;
}
.hero-right {
  flex: 1;
  position: relative;
  display: flex;
  justify-content: center;
}
.phone-mockup {
  width: 280px;
  height: 580px;
  background: #111;
  border-radius: 40px;
  padding: 12px;
  box-shadow: 0 20px 40px rgba(0,0,0,0.2);
  position: relative;
  z-index: 2;
}
.phone-screen {
  width: 100%;
  height: 100%;
  background: #fff;
  border-radius: 28px;
  overflow: hidden;
  position: relative;
}
.scroll-img {
  width: 100%;
  height: auto;
  animation: scrollUp 20s linear infinite;
}
@keyframes scrollUp {
  0% { transform: translateY(0); }
  100% { transform: translateY(-50%); }
}
.floating-bubble {
  position: absolute;
  background: #fff;
  padding: 8px 12px;
  border-radius: 20px;
  box-shadow: var(--shadow);
  font-size: 13px;
  font-weight: 500;
  color: var(--primary);
  z-index: 3;
}
.bubble-1 { top: 10%; left: -10%; }
.bubble-2 { bottom: 20%; right: -10%; }

/* Hot / Cards */
.scroll-row {
  display: flex;
  gap: 20px;
  overflow-x: auto;
  padding-bottom: 20px;
  scrollbar-width: none;
}
.scroll-row::-webkit-scrollbar { display: none; }
.card {
  min-width: 160px;
  width: 160px;
  flex-shrink: 0;
  transition: transform 0.3s;
  cursor: pointer;
}
.card:hover {
  transform: translateY(-8px);
}
.card-cover {
  width: 100%;
  aspect-ratio: 2/3;
  border-radius: 12px;
  overflow: hidden;
  position: relative;
  margin-bottom: 8px;
  background: #eee;
}
.card-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s;
}
.card:hover .card-cover img {
  transform: scale(1.05);
}
.card-tag {
  position: absolute;
  top: 8px;
  left: 8px;
  font-size: 12px;
  padding: 2px 6px;
  border-radius: 4px;
  background: var(--primary);
  color: #fff;
}
.card-title {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 4px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.card-meta {
  font-size: 12px;
  color: var(--text-gray);
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.card-tags {
  display: flex;
  gap: 6px;
  margin-top: 4px;
}
.card-tags span {
  background: #f0f0f0;
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 11px;
  color: #555;
}

/* Weekly Calendar */
.weekly-tabs {
  display: flex;
  gap: 12px;
  margin-bottom: 24px;
  overflow-x: auto;
  padding-bottom: 8px;
}
.tab-btn {
  padding: 8px 20px;
  border-radius: 20px;
  background: #fff;
  border: 1px solid #ddd;
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.2s;
}
.tab-btn.active {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}
.weekly-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 20px;
}

/* Ranks */
.ranks-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.rank-col {
  background: #fff;
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow);
}
.rank-title {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 16px;
  border-bottom: 2px solid #eee;
  padding-bottom: 12px;
}
.rank-item {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}
.rank-num {
  width: 24px;
  height: 24px;
  border-radius: 6px;
  background: #f0f0f0;
  color: #333;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 700;
}
.rank-num.top1 { background: #FFB300; color: #fff; }
.rank-num.top2 { background: #C0C0C0; color: #fff; }
.rank-num.top3 { background: #CD7F32; color: #fff; }
.rank-cover {
  width: 40px;
  height: 60px;
  border-radius: 4px;
  object-fit: cover;
}
.rank-info {
  flex: 1;
}
.rank-name {
  font-size: 14px;
  font-weight: 600;
}
.rank-author {
  font-size: 12px;
  color: var(--text-gray);
}

/* Categories */
.cat-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 16px;
}
.cat-item {
  background: #fff;
  border-radius: var(--radius);
  padding: 24px 0;
  text-align: center;
  border: 2px solid transparent;
  box-shadow: var(--shadow);
  transition: all 0.2s;
  cursor: pointer;
}
.cat-item:hover {
  border-color: var(--primary);
}
.cat-icon {
  font-size: 28px;
  margin-bottom: 8px;
}

/* Author */
.author-section {
  display: flex;
  align-items: center;
  gap: 40px;
}
.author-left {
  flex: 1;
}
.author-left h2 {
  font-size: 32px;
  margin-bottom: 24px;
}
.author-perks {
  list-style: none;
  margin-bottom: 32px;
}
.author-perks li {
  font-size: 16px;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.author-right {
  flex: 1;
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}
.author-avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: #e0e0e0;
  object-fit: cover;
}

/* Footer Download */
.footer-dl {
  background: linear-gradient(135deg, #FF8A00 0%, #FF6A00 100%);
  color: #fff;
  padding: 64px 0;
}
.fd-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.fd-left h2 {
  font-size: 36px;
  margin-bottom: 16px;
}
.fd-right {
  background: #fff;
  padding: 24px;
  border-radius: var(--radius);
  color: #333;
  text-align: center;
}
.fd-right img {
  width: 120px;
  height: 120px;
  margin: 0 auto 12px;
  border-radius: 8px;
}

/* Reviews */
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.review-card {
  background: #fff;
  padding: 24px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.review-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}
.review-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: #ddd;
}
.review-stars {
  color: #FFB300;
  font-size: 14px;
}

/* Footer */
.footer-bottom {
  background: #2b2b2b;
  color: #999;
  padding: 48px 0 24px;
  font-size: 13px;
}
.footer-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 32px;
}
.footer-col h4 {
  color: #fff;
  margin-bottom: 16px;
  font-size: 15px;
}
.footer-col a {
  display: block;
  margin-bottom: 12px;
}
.footer-col a:hover {
  color: #fff;
}
.copyright-area {
  border-top: 1px solid #444;
  padding-top: 24px;
  text-align: center;
  line-height: 2;
}

@media (max-width: 1024px) {
  .header-inner { padding: 0; }
  .nav-links { display: none; }
  .mobile-menu-btn { display: block; }
  .hero-inner { flex-direction: column; text-align: center; }
  .hero-left h1 { font-size: 36px; }
  .download-badges { justify-content: center; flex-wrap: wrap; }
  .qr-section { margin: 0 auto; }
  .trust-data { justify-content: center; }
  .ranks-grid { grid-template-columns: 1fr; }
  .cat-grid { grid-template-columns: repeat(4, 1fr); }
  .fd-inner { flex-direction: column; gap: 32px; text-align: center; }
  .author-section { flex-direction: column; text-align: center; }
  .author-perks li { justify-content: center; }
  .reviews-grid { grid-template-columns: 1fr; }
  .footer-links { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .section { padding: 48px 0; }
  .hero { padding: 48px 0; }
  .cat-grid { grid-template-columns: repeat(3, 1fr); }
  .weekly-grid { grid-template-columns: repeat(2, 1fr); }
  .download-badges { flex-direction: column; width: 100%; max-width: 300px; margin: 0 auto 24px; }
  .qr-section { flex-direction: column; text-align: center; }
}