/* ========================================
   Chrome Download Landing - Digital Garden Theme
   Organic Tech Aesthetic - Sage, Terracotta, Navy
   ======================================== */

:root {
  /* Primary Colors */
  --sage: #84a98c;
  --sage-light: #a8c5ae;
  --sage-dark: #52796f;
  --terracotta: #e07a5f;
  --terracotta-light: #f2cc8f;
  --navy: #1d3557;
  --navy-light: #457b9d;
  --cream: #f8f9fa;
  --cream-dark: #f1faee;
  --white: #ffffff;
  --charcoal: #2d3436;
  --gray: #636e72;
  --gray-light: #b2bec3;
  --mint: #74c69d;
  --sand: #e9c46a;
  --coral: #e29578;
  
  /* Functional */
  --shadow-soft: 0 4px 20px rgba(29, 53, 87, 0.08);
  --shadow-hover: 0 8px 30px rgba(29, 53, 87, 0.15);
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
  background: var(--cream);
  color: var(--charcoal);
  line-height: 1.7;
}

.wrap {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Spin Animation */
@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

/* Organic Blob Animation */
@keyframes blob {
  0%, 100% { border-radius: 60% 40% 30% 70% / 60% 30% 70% 40%; }
  25% { border-radius: 30% 60% 70% 40% / 50% 60% 30% 60%; }
  50% { border-radius: 50% 60% 30% 60% / 30% 60% 70% 40%; }
  75% { border-radius: 60% 40% 60% 30% / 70% 30% 50% 60%; }
}

@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-20px); }
}

@keyframes pulse-gentle {
  0%, 100% { opacity: 0.6; transform: scale(1); }
  50% { opacity: 0.8; transform: scale(1.05); }
}

/* ========================================
   Navigation
   ======================================== */
.gnav {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(248, 249, 250, 0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(132, 169, 140, 0.15);
}

.gnav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.gnav-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--navy);
  text-decoration: none;
}

.gnav-brand svg {
  width: 32px;
  height: 32px;
}

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

.gnav-link {
  padding: 10px 20px;
  border-radius: 50px;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--gray);
  text-decoration: none;
  transition: var(--transition);
}

.gnav-link:hover {
  color: var(--sage-dark);
  background: rgba(132, 169, 140, 0.1);
}

.gnav-link.active {
  color: var(--white);
  background: linear-gradient(135deg, var(--sage) 0%, var(--sage-dark) 100%);
  box-shadow: 0 4px 15px rgba(132, 169, 140, 0.4);
}

.gnav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  color: var(--navy);
}

/* ========================================
   Buttons
   ======================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 50px;
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: var(--transition);
}

.btn-sage {
  background: linear-gradient(135deg, var(--sage) 0%, var(--sage-dark) 100%);
  color: var(--white);
  box-shadow: 0 4px 20px rgba(132, 169, 140, 0.4);
}

.btn-sage:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(132, 169, 140, 0.5);
}

.btn-terracotta {
  background: linear-gradient(135deg, var(--terracotta) 0%, var(--coral) 100%);
  color: var(--white);
  box-shadow: 0 4px 20px rgba(224, 122, 95, 0.4);
}

.btn-terracotta:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(224, 122, 95, 0.5);
}

.btn-navy {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-light) 100%);
  color: var(--white);
  box-shadow: 0 4px 20px rgba(29, 53, 87, 0.4);
}

.btn-navy:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(29, 53, 87, 0.5);
}

.btn-outline {
  background: transparent;
  color: var(--sage-dark);
  border: 2px solid var(--sage);
}

.btn-outline:hover {
  background: var(--sage);
  color: var(--white);
}

.btn-lg { padding: 18px 36px; font-size: 1.1rem; }
.btn-sm { padding: 10px 20px; font-size: 0.9rem; }

/* ========================================
   Hero Section
   ======================================== */
.hero {
  position: relative;
  padding: 100px 0 80px;
  background: linear-gradient(180deg, var(--cream) 0%, var(--cream-dark) 100%);
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -200px;
  right: -100px;
  width: 600px;
  height: 600px;
  background: linear-gradient(135deg, rgba(132, 169, 140, 0.15) 0%, rgba(116, 198, 157, 0.1) 100%);
  border-radius: 60% 40% 30% 70% / 60% 30% 70% 40%;
  animation: blob 15s ease-in-out infinite;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -100px;
  left: -50px;
  width: 400px;
  height: 400px;
  background: linear-gradient(135deg, rgba(224, 122, 95, 0.1) 0%, rgba(242, 204, 143, 0.08) 100%);
  border-radius: 30% 60% 70% 40% / 50% 60% 30% 60%;
  animation: blob 12s ease-in-out infinite reverse;
}

.hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.hero-text { max-width: 560px; }

.hero-leaf {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: rgba(132, 169, 140, 0.15);
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--sage-dark);
  margin-bottom: 24px;
}

.hero-leaf svg { width: 16px; height: 16px; }

.hero-title {
  font-size: 3.5rem;
  font-weight: 800;
  line-height: 1.15;
  color: var(--navy);
  margin-bottom: 24px;
}

.hero-title span {
  background: linear-gradient(135deg, var(--sage) 0%, var(--terracotta) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-desc {
  font-size: 1.2rem;
  color: var(--gray);
  margin-bottom: 32px;
}

.hero-btns {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 32px;
}

.hero-badges {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

.hero-badge {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
  color: var(--sage-dark);
}

.hero-badge svg {
  width: 20px;
  height: 20px;
  color: var(--sage);
}

/* Hero Visual */
.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-garden {
  position: relative;
  width: 480px;
  height: 400px;
}

.garden-center {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 180px;
  height: 180px;
  background: linear-gradient(135deg, var(--sage) 0%, var(--mint) 50%, var(--terracotta) 100%);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 20px 60px rgba(132, 169, 140, 0.4);
  animation: pulse-gentle 4s ease-in-out infinite;
}

.garden-center svg {
  width: 80px;
  height: 80px;
  color: var(--white);
}

.garden-orbit {
  position: absolute;
  width: 100%;
  height: 100%;
}

.orbit-card {
  position: absolute;
  padding: 16px 20px;
  background: var(--white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-soft);
  display: flex;
  align-items: center;
  gap: 12px;
}

.orbit-card:nth-child(1) { top: 0; left: 50%; transform: translateX(-50%); }
.orbit-card:nth-child(2) { top: 25%; right: 0; }
.orbit-card:nth-child(3) { bottom: 25%; right: 0; }
.orbit-card:nth-child(4) { bottom: 0; left: 50%; transform: translateX(-50%); }
.orbit-card:nth-child(5) { bottom: 25%; left: 0; }
.orbit-card:nth-child(6) { top: 25%; left: 0; }

.orbit-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.orbit-icon.sage { background: rgba(132, 169, 140, 0.15); color: var(--sage); }
.orbit-icon.terracotta { background: rgba(224, 122, 95, 0.15); color: var(--terracotta); }
.orbit-icon.navy { background: rgba(29, 53, 87, 0.15); color: var(--navy); }
.orbit-icon.mint { background: rgba(116, 198, 157, 0.15); color: var(--mint); }
.orbit-icon.sand { background: rgba(233, 196, 106, 0.15); color: #d4a373; }
.orbit-icon.coral { background: rgba(226, 149, 120, 0.15); color: var(--coral); }

.orbit-icon svg { width: 22px; height: 22px; }

.orbit-text { font-size: 0.85rem; font-weight: 600; color: var(--navy); }

/* ========================================
   Stats Bar
   ======================================== */
.stats-garden {
  background: var(--white);
  padding: 40px 0;
  border-top: 1px solid rgba(132, 169, 140, 0.1);
  border-bottom: 1px solid rgba(132, 169, 140, 0.1);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
}

.stat-g {
  text-align: center;
  padding: 20px;
  border-radius: var(--radius-md);
  transition: var(--transition);
}

.stat-g:hover {
  background: rgba(132, 169, 140, 0.05);
  transform: translateY(-4px);
}

.stat-g-num {
  font-size: 2.5rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--sage) 0%, var(--terracotta) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 8px;
}

.stat-g-lbl {
  font-size: 0.95rem;
  color: var(--gray);
}

/* ========================================
   Sections
   ======================================== */
.sec {
  padding: 100px 0;
}

.sec-white { background: var(--white); }
.sec-cream { background: var(--cream); }
.sec-navy { background: linear-gradient(135deg, var(--navy) 0%, var(--navy-light) 100%); color: var(--white); }

.sec-head {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 60px;
}

.sec-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 18px;
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 20px;
}

.sec-tag svg { width: 14px; height: 14px; }

.sec-tag.sage { background: rgba(132, 169, 140, 0.15); color: var(--sage-dark); }
.sec-tag.terracotta { background: rgba(224, 122, 95, 0.15); color: var(--terracotta); }
.sec-tag.white { background: rgba(255, 255, 255, 0.15); color: var(--white); }

.sec-title {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--navy);
}

.sec-navy .sec-title { color: var(--white); }

.sec-sub {
  font-size: 1.1rem;
  color: var(--gray);
}

.sec-navy .sec-sub { color: rgba(255, 255, 255, 0.8); }

/* ========================================
   Feature Cards
   ======================================== */
.feat-garden {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.feat-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-soft);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.feat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--sage) 0%, var(--terracotta) 100%);
  transform: scaleX(0);
  transition: transform 0.3s ease;
}

.feat-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-hover);
}

.feat-card:hover::before {
  transform: scaleX(1);
}

.feat-icon-g {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.feat-icon-g svg { width: 28px; height: 28px; }

.feat-icon-g.sage { background: rgba(132, 169, 140, 0.15); color: var(--sage); }
.feat-icon-g.terracotta { background: rgba(224, 122, 95, 0.15); color: var(--terracotta); }
.feat-icon-g.navy { background: rgba(29, 53, 87, 0.15); color: var(--navy); }
.feat-icon-g.mint { background: rgba(116, 198, 157, 0.15); color: var(--mint); }
.feat-icon-g.sand { background: rgba(233, 196, 106, 0.15); color: #d4a373; }
.feat-icon-g.coral { background: rgba(226, 149, 120, 0.15); color: var(--coral); }

.feat-name {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 12px;
}

.feat-desc {
  font-size: 0.95rem;
  color: var(--gray);
  line-height: 1.7;
}

/* ========================================
   Platform Grid
   ======================================== */
.plat-garden {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.plat-card {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-lg);
  padding: 28px;
  text-align: center;
  transition: var(--transition);
}

.plat-card:hover {
  background: rgba(255, 255, 255, 0.15);
  transform: translateY(-4px);
}

.plat-card.featured {
  background: var(--white);
  color: var(--charcoal);
  border: none;
  position: relative;
}

.plat-card.featured::before {
  content: '推荐';
  position: absolute;
  top: -10px;
  left: 50%;
  transform: translateX(-50%);
  padding: 4px 16px;
  background: linear-gradient(135deg, var(--terracotta) 0%, var(--coral) 100%);
  color: var(--white);
  font-size: 0.75rem;
  font-weight: 700;
  border-radius: 20px;
}

.plat-icon-g {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  background: rgba(255, 255, 255, 0.1);
}

.plat-card.featured .plat-icon-g {
  background: linear-gradient(135deg, var(--sage) 0%, var(--mint) 100%);
}

.plat-icon-g svg { width: 32px; height: 32px; color: var(--white); }

.plat-card.featured .plat-icon-g svg { color: var(--white); }

.plat-name {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.plat-desc {
  font-size: 0.85rem;
  opacity: 0.8;
  margin-bottom: 16px;
}

.plat-card.featured .plat-desc { color: var(--gray); }

.plat-btn {
  width: 100%;
  padding: 12px;
  border-radius: 50px;
  font-size: 0.9rem;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: var(--transition);
}

.plat-btn.primary {
  background: linear-gradient(135deg, var(--sage) 0%, var(--sage-dark) 100%);
  color: var(--white);
}

.plat-btn.primary:hover {
  transform: scale(1.02);
  box-shadow: 0 4px 15px rgba(132, 169, 140, 0.4);
}

.plat-btn.secondary {
  background: rgba(255, 255, 255, 0.1);
  color: var(--white);
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.plat-btn.secondary:hover {
  background: rgba(255, 255, 255, 0.2);
}

/* ========================================
   Deep Feature Rows
   ======================================== */
.deep-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  margin-bottom: 80px;
}

.deep-row.reverse { direction: rtl; }
.deep-row.reverse > * { direction: ltr; }

.deep-row:last-child { margin-bottom: 0; }

.deep-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: 50px;
  font-size: 0.8rem;
  font-weight: 600;
  margin-bottom: 16px;
}

.deep-badge.sage { background: rgba(132, 169, 140, 0.15); color: var(--sage-dark); }
.deep-badge.terracotta { background: rgba(224, 122, 95, 0.15); color: var(--terracotta); }
.deep-badge.navy { background: rgba(29, 53, 87, 0.15); color: var(--navy); }
.deep-badge.mint { background: rgba(116, 198, 157, 0.15); color: var(--mint); }

.deep-title {
  font-size: 2rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 16px;
}

.deep-desc {
  font-size: 1.05rem;
  color: var(--gray);
  margin-bottom: 24px;
}

.deep-list {
  list-style: none;
}

.deep-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 14px;
  font-size: 0.95rem;
  color: var(--charcoal);
}

.deep-list svg {
  width: 20px;
  height: 20px;
  color: var(--sage);
  flex-shrink: 0;
  margin-top: 2px;
}

.deep-visual {
  background: var(--white);
  border-radius: var(--radius-xl);
  padding: 40px;
  box-shadow: var(--shadow-soft);
}

.viz-title {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--gray);
  margin-bottom: 24px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.viz-bars {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.viz-bar {
  display: flex;
  align-items: center;
  gap: 16px;
}

.viz-bar-lbl {
  width: 80px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--navy);
}

.viz-bar-track {
  flex: 1;
  height: 32px;
  background: var(--cream);
  border-radius: 16px;
  overflow: hidden;
  position: relative;
}

.viz-bar-fill {
  height: 100%;
  border-radius: 16px;
  transition: width 1s ease;
}

.viz-bar-fill.sage { background: linear-gradient(90deg, var(--sage) 0%, var(--mint) 100%); }
.viz-bar-fill.terracotta { background: linear-gradient(90deg, var(--terracotta) 0%, var(--coral) 100%); }
.fiz-bar-fill.navy { background: linear-gradient(90deg, var(--navy) 0%, var(--navy-light) 100%); }

.viz-bar-val {
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--white);
}

/* ========================================
   Reviews
   ======================================== */
.rev-garden {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.rev-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow-soft);
  transition: var(--transition);
}

.rev-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}

.rev-stars {
  display: flex;
  gap: 4px;
  margin-bottom: 16px;
}

.rev-stars svg {
  width: 18px;
  height: 18px;
  color: var(--sand);
  fill: currentColor;
}

.rev-text {
  font-size: 0.95rem;
  color: var(--charcoal);
  line-height: 1.7;
  margin-bottom: 20px;
}

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

.rev-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  font-weight: 700;
  color: var(--white);
}

.rev-avatar.sage { background: linear-gradient(135deg, var(--sage) 0%, var(--mint) 100%); }
.rev-avatar.terracotta { background: linear-gradient(135deg, var(--terracotta) 0%, var(--coral) 100%); }
.rev-avatar.navy { background: linear-gradient(135deg, var(--navy) 0%, var(--navy-light) 100%); }
.rev-avatar.sand { background: linear-gradient(135deg, var(--sand) 0%, #f4a261 100%); }

.rev-name {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--navy);
}

.rev-role {
  font-size: 0.8rem;
  color: var(--gray);
}

/* ========================================
   Comparison Table
   ======================================== */
.cmp-wrap {
  background: var(--white);
  border-radius: var(--radius-xl);
  padding: 40px;
  box-shadow: var(--shadow-soft);
  overflow-x: auto;
}

.cmp-table {
  width: 100%;
  border-collapse: collapse;
}

.cmp-table th,
.cmp-table td {
  padding: 16px 20px;
  text-align: left;
  border-bottom: 1px solid rgba(132, 169, 140, 0.15);
}

.cmp-table th {
  font-weight: 600;
  color: var(--navy);
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.cmp-table td {
  font-size: 0.95rem;
  color: var(--charcoal);
}

.cmp-table tr:hover td {
  background: rgba(132, 169, 140, 0.03);
}

.cmp-table .hl {
  background: linear-gradient(135deg, rgba(132, 169, 140, 0.1) 0%, rgba(116, 198, 157, 0.1) 100%);
  font-weight: 600;
  color: var(--sage-dark);
}

.cmp-check {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: rgba(132, 169, 140, 0.15);
  color: var(--sage);
}

.cmp-check svg { width: 14px; height: 14px; }

.cmp-cross {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: rgba(224, 122, 95, 0.15);
  color: var(--terracotta);
}

.cmp-cross svg { width: 14px; height: 14px; }

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

.faq-item {
  background: var(--white);
  border-radius: var(--radius-md);
  margin-bottom: 16px;
  box-shadow: var(--shadow-soft);
  overflow: hidden;
}

.faq-q {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 28px;
  cursor: pointer;
  transition: var(--transition);
}

.faq-q:hover {
  background: rgba(132, 169, 140, 0.03);
}

.faq-q-text {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--navy);
  padding-right: 20px;
}

.faq-chevron {
  width: 24px;
  height: 24px;
  color: var(--sage);
  transition: transform 0.3s ease;
  flex-shrink: 0;
}

.faq-item.open .faq-chevron {
  transform: rotate(180deg);
}

.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.faq-item.open .faq-a {
  max-height: 500px;
}

.faq-a-inner {
  padding: 0 28px 24px;
  font-size: 0.95rem;
  color: var(--gray);
  line-height: 1.8;
}

/* ========================================
   CTA Banner
   ======================================== */
.cta-garden {
  background: linear-gradient(135deg, var(--sage) 0%, var(--sage-dark) 100%);
  border-radius: var(--radius-xl);
  padding: 60px;
  text-align: center;
  color: var(--white);
  position: relative;
  overflow: hidden;
}

.cta-garden::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 400px;
  height: 400px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
}

.cta-garden::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -10%;
  width: 300px;
  height: 300px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 50%;
}

.cta-garden .sec-title {
  color: var(--white);
  position: relative;
  z-index: 1;
}

.cta-garden .sec-sub {
  color: rgba(255, 255, 255, 0.9);
  position: relative;
  z-index: 1;
}

.cta-garden .btn-white {
  background: var(--white);
  color: var(--sage-dark);
  position: relative;
  z-index: 1;
}

.cta-garden .btn-white:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.2);
}

/* ========================================
   Download Page Specific
   ======================================== */
.dl-hero {
  padding: 80px 0 60px;
  background: linear-gradient(180deg, var(--cream) 0%, var(--cream-dark) 100%);
  text-align: center;
}

.dl-hero-title {
  font-size: 2.8rem;
  font-weight: 800;
  color: var(--navy);
  margin-bottom: 16px;
}

.dl-hero-sub {
  font-size: 1.2rem;
  color: var(--gray);
  max-width: 600px;
  margin: 0 auto 40px;
}

.dl-main {
  background: var(--white);
  border-radius: var(--radius-xl);
  padding: 48px;
  box-shadow: var(--shadow-soft);
  max-width: 600px;
  margin: 0 auto 60px;
  text-align: center;
  position: relative;
}

.dl-main::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 6px;
  background: linear-gradient(90deg, var(--sage) 0%, var(--terracotta) 50%, var(--mint) 100%);
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
}

.dl-main-icon {
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, var(--sage) 0%, var(--mint) 100%);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 24px;
}

.dl-main-icon svg {
  width: 40px;
  height: 40px;
  color: var(--white);
}

.dl-main-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 8px;
}

.dl-main-meta {
  font-size: 0.9rem;
  color: var(--gray);
  margin-bottom: 24px;
}

.dl-specs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 28px;
}

.dl-spec {
  padding: 16px;
  background: var(--cream);
  border-radius: var(--radius-md);
}

.dl-spec-label {
  font-size: 0.8rem;
  color: var(--gray);
  margin-bottom: 4px;
}

.dl-spec-val {
  font-size: 1rem;
  font-weight: 700;
  color: var(--navy);
}

.dl-secure {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  background: rgba(132, 169, 140, 0.1);
  border-radius: 50px;
  font-size: 0.85rem;
  color: var(--sage-dark);
  margin-bottom: 24px;
}

.dl-secure svg {
  width: 18px;
  height: 18px;
  color: var(--sage);
}

.dl-main-btns {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* Platform Cards for Download Page */
.dl-plat-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 60px;
}

.dl-plat-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-soft);
  text-align: center;
}

.dl-plat-icon {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
}

.dl-plat-icon.mac { background: rgba(132, 169, 140, 0.15); color: var(--sage); }
.dl-plat-icon.ios { background: rgba(224, 122, 95, 0.15); color: var(--terracotta); }
.dl-plat-icon.android { background: rgba(116, 198, 157, 0.15); color: var(--mint); }

.dl-plat-icon svg { width: 32px; height: 32px; }

.dl-plat-name {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 8px;
}

.dl-plat-ver {
  font-size: 0.85rem;
  color: var(--gray);
  margin-bottom: 16px;
}

.dl-plat-steps {
  list-style: none;
  text-align: left;
  margin: 20px 0;
  padding: 20px;
  background: var(--cream);
  border-radius: var(--radius-md);
}

.dl-plat-steps li {
  font-size: 0.85rem;
  color: var(--charcoal);
  margin-bottom: 10px;
  padding-left: 20px;
  position: relative;
}

.dl-plat-steps li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--sage);
}

/* Guide Section */
.guide-sec {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  margin-bottom: 60px;
}

.guide-col {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-soft);
}

.guide-col-title {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 2px solid var(--cream);
}

.guide-col-title svg {
  width: 28px;
  height: 28px;
}

.guide-steps-list {
  list-style: none;
}

.guide-steps-list li {
  display: flex;
  gap: 16px;
  margin-bottom: 20px;
}

.guide-step-num {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--white);
  flex-shrink: 0;
}

.guide-step-num.sage { background: var(--sage); }
.guide-step-num.terracotta { background: var(--terracotta); }

.guide-step-body h4 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--navy);
  margin-bottom: 4px;
}

.guide-step-body p {
  font-size: 0.9rem;
  color: var(--gray);
}

/* Requirements Grid */
.req-garden {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 60px;
}

.req-card {
  background: var(--white);
  border-radius: var(--radius-md);
  padding: 24px;
  text-align: center;
  box-shadow: var(--shadow-soft);
}

.req-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  background: rgba(132, 169, 140, 0.15);
  color: var(--sage);
}

.req-icon svg { width: 24px; height: 24px; }

.req-title {
  font-size: 0.85rem;
  color: var(--gray);
  margin-bottom: 8px;
}

.req-val {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--navy);
}

/* Version Timeline */
.ver-garden {
  max-width: 800px;
  margin: 0 auto;
}

.ver-item {
  display: flex;
  gap: 24px;
  margin-bottom: 32px;
  position: relative;
}

.ver-item::before {
  content: '';
  position: absolute;
  left: 20px;
  top: 48px;
  bottom: -32px;
  width: 2px;
  background: var(--cream);
}

.ver-item:last-child::before { display: none; }

.ver-dot {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  z-index: 1;
}

.ver-dot.sage { background: rgba(132, 169, 140, 0.15); color: var(--sage); }
.ver-dot.terracotta { background: rgba(224, 122, 95, 0.15); color: var(--terracotta); }
.ver-dot.mint { background: rgba(116, 198, 157, 0.15); color: var(--mint); }

.ver-dot svg { width: 20px; height: 20px; }

.ver-body {
  flex: 1;
  background: var(--white);
  border-radius: var(--radius-md);
  padding: 24px;
  box-shadow: var(--shadow-soft);
}

.ver-head {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.ver-num {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--navy);
}

.ver-tag {
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
}

.ver-tag.stable { background: rgba(132, 169, 140, 0.15); color: var(--sage-dark); }
.ver-tag.beta { background: rgba(224, 122, 95, 0.15); color: var(--terracotta); }

.ver-date {
  font-size: 0.85rem;
  color: var(--gray);
  margin-bottom: 8px;
}

.ver-desc {
  font-size: 0.95rem;
  color: var(--charcoal);
}

/* Security Banner */
.secure-banner {
  background: linear-gradient(135deg, rgba(132, 169, 140, 0.1) 0%, rgba(116, 198, 157, 0.1) 100%);
  border: 1px solid rgba(132, 169, 140, 0.2);
  border-radius: var(--radius-lg);
  padding: 32px;
  display: flex;
  align-items: center;
  gap: 24px;
  margin-bottom: 60px;
}

.secure-icon {
  width: 64px;
  height: 64px;
  background: linear-gradient(135deg, var(--sage) 0%, var(--mint) 100%);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.secure-icon svg {
  width: 32px;
  height: 32px;
  color: var(--white);
}

.secure-text h4 {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 8px;
}

.secure-text p {
  font-size: 0.95rem;
  color: var(--gray);
}

/* ========================================
   Article Page (zh-cn.html)
   ======================================== */
.art-hero {
  padding: 80px 0 60px;
  background: linear-gradient(180deg, var(--cream) 0%, var(--cream-dark) 100%);
  text-align: center;
}

.art-hero h1 {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--navy);
  margin-bottom: 20px;
}

.art-hero-sub {
  font-size: 1.1rem;
  color: var(--gray);
  max-width: 700px;
  margin: 0 auto 32px;
}

.kw-cloud {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  max-width: 800px;
  margin: 0 auto;
}

.kw-tag {
  padding: 8px 16px;
  background: var(--white);
  border-radius: 50px;
  font-size: 0.85rem;
  color: var(--sage-dark);
  border: 1px solid rgba(132, 169, 140, 0.2);
  transition: var(--transition);
}

.kw-tag:hover {
  background: var(--sage);
  color: var(--white);
  border-color: var(--sage);
}

.art-layout {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 40px;
  padding: 60px 0;
}

.art-body {
  background: var(--white);
  border-radius: var(--radius-xl);
  padding: 40px;
  box-shadow: var(--shadow-soft);
}

.art-body h2 {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--navy);
  margin: 48px 0 20px;
  padding-bottom: 16px;
  border-bottom: 2px solid var(--cream);
}

.art-body h2:first-child { margin-top: 0; }

.art-body h3 {
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--navy);
  margin: 32px 0 16px;
}

.art-body p {
  font-size: 1rem;
  color: var(--charcoal);
  line-height: 1.8;
  margin-bottom: 16px;
}

.art-body ul, .art-body ol {
  margin: 20px 0;
  padding-left: 24px;
}

.art-body li {
  font-size: 1rem;
  color: var(--charcoal);
  line-height: 1.8;
  margin-bottom: 12px;
}

.art-body strong { color: var(--navy); }

.art-inline-cta {
  background: linear-gradient(135deg, rgba(132, 169, 140, 0.1) 0%, rgba(116, 198, 157, 0.1) 100%);
  border-left: 4px solid var(--sage);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  padding: 24px 28px;
  margin: 32px 0;
}

.art-inline-cta h4 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 8px;
}

.art-inline-cta p {
  font-size: 0.95rem;
  color: var(--gray);
  margin-bottom: 16px;
}

/* Sidebar */
.art-sidebar {
  position: sticky;
  top: 100px;
  height: fit-content;
}

.side-box {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 28px;
  margin-bottom: 20px;
  box-shadow: var(--shadow-soft);
}

.side-box h4 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--cream);
}

.side-dl-list {
  list-style: none;
}

.side-dl-list li {
  margin-bottom: 12px;
}

.side-dl-btn {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  padding: 14px;
  background: var(--cream);
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: var(--transition);
  text-align: left;
}

.side-dl-btn:hover {
  background: var(--sage);
  color: var(--white);
}

.side-dl-btn:hover .sdl-info { color: var(--white); }

.side-dl-btn svg {
  width: 24px;
  height: 24px;
  color: var(--sage);
  flex-shrink: 0;
}

.side-dl-btn:hover svg { color: var(--white); }

.sdl-info {
  flex: 1;
}

.sdl-name {
  font-size: 0.9rem;
  font-weight: 600;
  display: block;
}

.sdl-ver {
  font-size: 0.75rem;
  color: var(--gray);
}

.side-toc {
  list-style: none;
}

.side-toc li {
  margin-bottom: 8px;
}

.side-toc a {
  display: block;
  padding: 8px 12px;
  color: var(--gray);
  text-decoration: none;
  font-size: 0.9rem;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.side-toc a:hover {
  background: var(--cream);
  color: var(--sage-dark);
}

.side-stats-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.side-stat {
  text-align: center;
  padding: 16px;
  background: var(--cream);
  border-radius: var(--radius-md);
}

.side-stat-num {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--sage);
  display: block;
}

.side-stat-lbl {
  font-size: 0.75rem;
  color: var(--gray);
}

.side-security {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 20px;
  background: rgba(132, 169, 140, 0.1);
  border-radius: var(--radius-md);
}

.side-security svg {
  width: 20px;
  height: 20px;
  color: var(--sage);
  flex-shrink: 0;
  margin-top: 2px;
}

.side-security p {
  font-size: 0.85rem;
  color: var(--sage-dark);
  line-height: 1.6;
}

/* ========================================
   Footer
   ======================================== */
.gfooter {
  background: var(--navy);
  color: var(--white);
  padding: 48px 0 32px;
}

.gfooter-inner {
  text-align: center;
}

.gfooter-brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 20px;
}

.gfooter-brand svg {
  width: 28px;
  height: 28px;
}

.gfooter-secure {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 24px;
  background: rgba(132, 169, 140, 0.2);
  border-radius: 50px;
  font-size: 0.95rem;
  margin-bottom: 20px;
}

.gfooter-secure svg {
  width: 20px;
  height: 20px;
  color: var(--sage);
}

.gfooter-note {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.6);
  max-width: 700px;
  margin: 0 auto;
}

/* ========================================
   Responsive
   ======================================== */
@media (max-width: 1024px) {
  .hero-inner { grid-template-columns: 1fr; text-align: center; }
  .hero-text { max-width: 100%; }
  .hero-btns { justify-content: center; }
  .hero-badges { justify-content: center; }
  .hero-visual { order: -1; }
  .hero-garden { width: 360px; height: 300px; }
  .garden-center { width: 140px; height: 140px; }
  .garden-center svg { width: 60px; height: 60px; }
  
  .deep-row { grid-template-columns: 1fr; gap: 40px; }
  .deep-row.reverse { direction: ltr; }
  
  .art-layout { grid-template-columns: 1fr; }
  .art-sidebar { position: static; }
}

@media (max-width: 768px) {
  .gnav-toggle { display: block; }
  .gnav-menu {
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: rgba(248, 249, 250, 0.98);
    flex-direction: column;
    padding: 20px;
    gap: 12px;
    border-bottom: 1px solid rgba(132, 169, 140, 0.2);
    display: none;
  }
  .gnav-menu.show { display: flex; }
  .gnav-link { width: 100%; text-align: center; }
  
  .hero { padding: 60px 0 40px; }
  .hero-title { font-size: 2.2rem; }
  .hero-garden { width: 280px; height: 240px; }
  
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }
  .stat-g-num { font-size: 2rem; }
  
  .feat-garden { grid-template-columns: 1fr; }
  .plat-garden { grid-template-columns: repeat(2, 1fr); }
  .rev-garden { grid-template-columns: 1fr; }
  
  .dl-plat-grid { grid-template-columns: 1fr; }
  .guide-sec { grid-template-columns: 1fr; }
  .req-garden { grid-template-columns: repeat(2, 1fr); }
  
  .sec { padding: 60px 0; }
  .sec-title { font-size: 2rem; }
  
  .cta-garden { padding: 40px 24px; }
  .cta-garden .sec-title { font-size: 1.8rem; }
}

@media (max-width: 480px) {
  .plat-garden { grid-template-columns: 1fr; }
  .req-garden { grid-template-columns: 1fr; }
  .dl-specs { grid-template-columns: 1fr; }
  
  .hero-title { font-size: 1.8rem; }
  .dl-hero-title { font-size: 2rem; }
  .art-hero h1 { font-size: 1.8rem; }
}