/* ========================================
   Gate.io Digital Vault Theme
   Deep charcoal base + Gold wealth accent + Cyan tech secondary
   ======================================== */

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

:root {
  --bg-primary: #0a0e17;
  --bg-secondary: #111827;
  --bg-card: #1f2937;
  --accent-gold: #f59e0b;
  --accent-gold-dark: #d97706;
  --accent-cyan: #06b6d4;
  --accent-cyan-dark: #0891b2;
  --accent-blue: #3b82f6;
  --text-primary: #f9fafb;
  --text-secondary: #9ca3af;
  --text-muted: #6b7280;
  --border-color: #374151;
  --success: #10b981;
  --gradient-gold: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
  --gradient-cyan: linear-gradient(135deg, #06b6d4 0%, #0891b2 100%);
  --shadow-gold: 0 0 30px rgba(245, 158, 11, 0.25);
  --shadow-cyan: 0 0 30px rgba(6, 182, 212, 0.25);
}

html { scroll-behavior: smooth; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

/* Animations */
@keyframes spin { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }
@keyframes pulse-gold { 0%, 100% { box-shadow: 0 0 20px rgba(245, 158, 11, 0.4); } 50% { box-shadow: 0 0 40px rgba(245, 158, 11, 0.6); } }
@keyframes float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-10px); } }
@keyframes glow { 0%, 100% { opacity: 0.5; } 50% { opacity: 1; } }
@keyframes slideInUp { from { opacity: 0; transform: translateY(30px); } to { opacity: 1; transform: translateY(0); } }
@keyframes gradient-shift { 0% { background-position: 0% 50%; } 50% { background-position: 100% 50%; } 100% { background-position: 0% 50%; } }

/* Container */
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* Navigation */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(10, 14, 23, 0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-color);
}

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

.nav-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.nav-brand-icon {
  width: 40px;
  height: 40px;
  background: var(--gradient-gold);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.nav-brand-icon svg { width: 24px; height: 24px; color: #fff; }

.nav-brand-name {
  font-size: 22px;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.5px;
}

.nav-brand-name span { color: var(--accent-gold); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-link {
  padding: 10px 20px;
  border-radius: 8px;
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 15px;
  font-weight: 500;
  transition: all 0.3s ease;
}

.nav-link:hover { color: var(--text-primary); background: rgba(255,255,255,0.05); }

.nav-link.active {
  background: var(--gradient-gold);
  color: #fff;
  font-weight: 600;
}

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

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 10px;
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: all 0.3s ease;
}

.btn-gold {
  background: var(--gradient-gold);
  color: #fff;
  box-shadow: var(--shadow-gold);
}

.btn-gold:hover { transform: translateY(-2px); box-shadow: 0 10px 40px rgba(245, 158, 11, 0.4); }

.btn-cyan {
  background: var(--gradient-cyan);
  color: #fff;
  box-shadow: var(--shadow-cyan);
}

.btn-cyan:hover { transform: translateY(-2px); box-shadow: 0 10px 40px rgba(6, 182, 212, 0.4); }

.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

.btn-outline:hover { border-color: var(--accent-gold); color: var(--accent-gold); }

.btn-lg { padding: 16px 36px; font-size: 16px; }

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

.section-alt { background: var(--bg-secondary); }

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

.sec-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: rgba(245, 158, 11, 0.1);
  border: 1px solid rgba(245, 158, 11, 0.2);
  border-radius: 50px;
  font-size: 13px;
  font-weight: 600;
  color: var(--accent-gold);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 20px;
}

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

.sec-title {
  font-size: 42px;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 16px;
  background: linear-gradient(135deg, var(--text-primary) 0%, var(--text-secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.sec-subtitle {
  font-size: 18px;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* Hero Section */
.hero {
  padding: 80px 0 120px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, rgba(245, 158, 11, 0.15) 0%, transparent 70%);
  pointer-events: none;
}

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

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.3);
  border-radius: 50px;
  font-size: 14px;
  color: var(--success);
  margin-bottom: 24px;
}

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

.hero-title {
  font-size: 56px;
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 24px;
  letter-spacing: -1px;
}

.hero-title .highlight { color: var(--accent-gold); }

.hero-desc {
  font-size: 18px;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 32px;
  max-width: 500px;
}

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

.hero-stats {
  display: flex;
  gap: 40px;
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid var(--border-color);
}

.hero-stat { text-align: left; }

.hero-stat-value {
  font-size: 32px;
  font-weight: 700;
  color: var(--accent-gold);
  display: flex;
  align-items: center;
  gap: 4px;
}

.hero-stat-label {
  font-size: 14px;
  color: var(--text-muted);
  margin-top: 4px;
}

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

.hero-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  padding: 32px;
  width: 100%;
  max-width: 440px;
  box-shadow: 0 25px 80px rgba(0, 0, 0, 0.5);
}

.hero-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border-color);
}

.hero-card-title {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 600;
}

.hero-card-icon {
  width: 44px;
  height: 44px;
  background: var(--gradient-gold);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-card-icon svg { width: 24px; height: 24px; color: #fff; }

.hero-card-status {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--success);
}

.status-dot {
  width: 8px;
  height: 8px;
  background: var(--success);
  border-radius: 50%;
  animation: pulse-gold 2s infinite;
}

.market-list { display: flex; flex-direction: column; gap: 12px; }

.market-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px;
  background: var(--bg-secondary);
  border-radius: 10px;
  transition: all 0.3s ease;
}

.market-item:hover { background: rgba(245, 158, 11, 0.1); }

.market-info { display: flex; align-items: center; gap: 12px; }

.market-icon {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 14px;
}

.market-icon.btc { background: rgba(245, 158, 11, 0.2); color: var(--accent-gold); }
.market-icon.eth { background: rgba(6, 182, 212, 0.2); color: var(--accent-cyan); }
.market-icon.gt { background: rgba(59, 130, 246, 0.2); color: var(--accent-blue); }

.market-name { font-weight: 600; font-size: 15px; }

.market-price { text-align: right; }

.market-price-value { font-weight: 600; font-size: 15px; }

.market-price-change {
  font-size: 13px;
  font-weight: 500;
}

.market-price-change.up { color: var(--success); }
.market-price-change.down { color: var(--error); }

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

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 32px;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-gold);
  transform: scaleX(0);
  transition: transform 0.3s ease;
}

.feature-card:hover {
  transform: translateY(-5px);
  border-color: rgba(245, 158, 11, 0.3);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3);
}

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

.feature-icon {
  width: 56px;
  height: 56px;
  background: rgba(245, 158, 11, 0.1);
  border: 1px solid rgba(245, 158, 11, 0.2);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.feature-icon svg { width: 28px; height: 28px; color: var(--accent-gold); }

.feature-title {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 12px;
}

.feature-desc {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* Platform Section */
.platform-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.platform-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 28px;
  text-align: center;
  transition: all 0.3s ease;
}

.platform-card:hover {
  border-color: var(--accent-gold);
  transform: translateY(-3px);
}

.platform-card.featured {
  border-color: var(--accent-gold);
  background: linear-gradient(180deg, rgba(245, 158, 11, 0.1) 0%, var(--bg-card) 100%);
  position: relative;
}

.platform-card.featured::after {
  content: '推荐';
  position: absolute;
  top: -1px;
  right: 20px;
  padding: 4px 12px;
  background: var(--gradient-gold);
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  border-radius: 0 0 8px 8px;
}

.platform-icon {
  width: 64px;
  height: 64px;
  background: var(--bg-secondary);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
}

.platform-icon svg { width: 32px; height: 32px; color: var(--text-primary); }

.platform-name {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 4px;
}

.platform-version {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.platform-btn {
  width: 100%;
  padding: 12px;
  font-size: 14px;
}

/* 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-content { max-width: 500px; }

.deep-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: rgba(6, 182, 212, 0.1);
  border: 1px solid rgba(6, 182, 212, 0.2);
  border-radius: 50px;
  font-size: 13px;
  font-weight: 600;
  color: var(--accent-cyan);
  margin-bottom: 20px;
}

.deep-badge svg { width: 14px; height: 14px; }

.deep-title {
  font-size: 32px;
  font-weight: 700;
  margin-bottom: 16px;
  line-height: 1.3;
}

.deep-desc {
  font-size: 16px;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 24px;
}

.deep-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.deep-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 15px;
  color: var(--text-secondary);
}

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

.deep-visual {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  padding: 32px;
  position: relative;
  overflow: hidden;
}

.deep-visual::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -50%;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle, rgba(245, 158, 11, 0.1) 0%, transparent 70%);
  pointer-events: none;
}

/* Stats Band */
.stats-band {
  background: linear-gradient(90deg, rgba(245, 158, 11, 0.1) 0%, rgba(6, 182, 212, 0.1) 50%, rgba(245, 158, 11, 0.1) 100%);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
  padding: 60px 0;
}

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

.stat-item { text-align: center; }

.stat-value {
  font-size: 48px;
  font-weight: 800;
  background: var(--gradient-gold);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 8px;
}

.stat-label {
  font-size: 15px;
  color: var(--text-secondary);
}

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

.review-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 28px;
  transition: all 0.3s ease;
}

.review-card:hover {
  transform: translateY(-3px);
  border-color: rgba(245, 158, 11, 0.3);
}

.review-header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 16px;
}

.review-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 18px;
  color: #fff;
}

.review-avatar.a1 { background: linear-gradient(135deg, #f59e0b, #d97706); }
.review-avatar.a2 { background: linear-gradient(135deg, #06b6d4, #0891b2); }
.review-avatar.a3 { background: linear-gradient(135deg, #3b82f6, #2563eb); }
.review-avatar.a4 { background: linear-gradient(135deg, #10b981, #059669); }
.review-avatar.a5 { background: linear-gradient(135deg, #8b5cf6, #7c3aed); }
.review-avatar.a6 { background: linear-gradient(135deg, #ec4899, #db2777); }

.review-meta { flex: 1; }

.review-name {
  font-weight: 600;
  font-size: 15px;
  margin-bottom: 2px;
}

.review-role {
  font-size: 13px;
  color: var(--text-muted);
}

.review-stars {
  display: flex;
  gap: 2px;
  margin-bottom: 12px;
}

.review-stars svg {
  width: 16px;
  height: 16px;
  color: var(--accent-gold);
  fill: currentColor;
}

.review-text {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* Comparison Table */
.comparison-wrap {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  overflow: hidden;
}

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

.comparison-table th,
.comparison-table td {
  padding: 20px 24px;
  text-align: left;
  border-bottom: 1px solid var(--border-color);
}

.comparison-table th {
  background: var(--bg-secondary);
  font-weight: 600;
  font-size: 14px;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.comparison-table td { font-size: 15px; }

.comparison-table tr:last-child td { border-bottom: none; }

.comparison-table .platform-name {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
}

.comparison-table .highlight {
  color: var(--accent-gold);
  font-weight: 600;
}

.comparison-table .check,
.comparison-table .cross {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  border-radius: 50%;
}

.comparison-table .check {
  background: rgba(16, 185, 129, 0.2);
  color: var(--success);
}

.comparison-table .cross {
  background: rgba(239, 68, 68, 0.2);
  color: var(--error);
}

/* FAQ */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  overflow: hidden;
  transition: all 0.3s ease;
}

.faq-item:hover { border-color: rgba(245, 158, 11, 0.3); }

.faq-item.active { border-color: var(--accent-gold); }

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  cursor: pointer;
  font-weight: 600;
  font-size: 16px;
  transition: all 0.3s ease;
}

.faq-question:hover { color: var(--accent-gold); }

.faq-chevron {
  width: 24px;
  height: 24px;
  transition: transform 0.3s ease;
  color: var(--text-muted);
}

.faq-item.active .faq-chevron { transform: rotate(180deg); color: var(--accent-gold); }

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

.faq-item.active .faq-answer {
  max-height: 500px;
  padding: 0 24px 20px;
}

.faq-answer-inner {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.8;
}

/* CTA Banner */
.cta-banner {
  background: linear-gradient(135deg, rgba(245, 158, 11, 0.1) 0%, rgba(6, 182, 212, 0.1) 100%);
  border: 1px solid rgba(245, 158, 11, 0.2);
  border-radius: 24px;
  padding: 80px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-banner::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(245, 158, 11, 0.15) 0%, transparent 70%);
  pointer-events: none;
}

.cta-title {
  font-size: 40px;
  font-weight: 700;
  margin-bottom: 16px;
  position: relative;
  z-index: 1;
}

.cta-desc {
  font-size: 18px;
  color: var(--text-secondary);
  margin-bottom: 32px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  position: relative;
  z-index: 1;
}

/* Download Page Styles */
.dl-hero {
  padding: 60px 0 80px;
  text-align: center;
}

.dl-hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.3);
  border-radius: 50px;
  font-size: 14px;
  color: var(--success);
  margin-bottom: 24px;
}

.dl-hero-title {
  font-size: 48px;
  font-weight: 700;
  margin-bottom: 16px;
}

.dl-hero-subtitle {
  font-size: 18px;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto 40px;
}

/* Windows Main Card */
.dl-main-wrap {
  max-width: 600px;
  margin: 0 auto 60px;
}

.dl-main-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 24px;
  overflow: hidden;
  position: relative;
}

.dl-main-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-gold);
}

.dl-main-header {
  padding: 40px 40px 24px;
  text-align: center;
}

.dl-main-icon {
  width: 80px;
  height: 80px;
  background: var(--gradient-gold);
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  box-shadow: var(--shadow-gold);
}

.dl-main-icon svg { width: 40px; height: 40px; color: #fff; }

.dl-main-title {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 8px;
}

.dl-main-meta {
  font-size: 14px;
  color: var(--text-muted);
}

.dl-specs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border-color);
  border-top: 1px solid var(--border-color);
}

.dl-spec {
  background: var(--bg-card);
  padding: 20px;
  text-align: center;
}

.dl-spec-label {
  font-size: 12px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 4px;
}

.dl-spec-value {
  font-size: 16px;
  font-weight: 600;
}

.dl-sec-badge {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 16px;
  background: rgba(16, 185, 129, 0.05);
  font-size: 13px;
  color: var(--success);
}

.dl-sec-badge svg { width: 16px; height: 16px; }

.dl-main-actions {
  padding: 24px 40px 40px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

/* Other Platforms Grid */
.dl-platforms-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 80px;
}

.dl-platform-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 32px;
  transition: all 0.3s ease;
}

.dl-platform-card:hover { border-color: var(--accent-cyan); transform: translateY(-3px); }

.dl-platform-icon {
  width: 56px;
  height: 56px;
  background: var(--bg-secondary);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.dl-platform-icon svg { width: 28px; height: 28px; color: var(--text-primary); }

.dl-platform-name {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 4px;
}

.dl-platform-version {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.dl-platform-steps {
  list-style: none;
  margin-bottom: 20px;
}

.dl-platform-steps li {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.dl-platform-steps li span {
  width: 20px;
  height: 20px;
  background: var(--accent-cyan);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-weight: 600;
  color: #fff;
  flex-shrink: 0;
}

/* Guide Section */
.guide-section { margin-bottom: 80px; }

.guide-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 40px;
}

.guide-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  padding: 32px;
}

.guide-card-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 24px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border-color);
}

.guide-card-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.guide-card-icon.win { background: rgba(245, 158, 11, 0.1); color: var(--accent-gold); }
.guide-card-icon.mac { background: rgba(6, 182, 212, 0.1); color: var(--accent-cyan); }

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

.guide-card-title { font-size: 20px; font-weight: 600; }

.guide-steps { display: flex; flex-direction: column; gap: 16px; }

.guide-step {
  display: flex;
  gap: 16px;
}

.guide-step-num {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 14px;
  flex-shrink: 0;
}

.guide-step-num.gold { background: rgba(245, 158, 11, 0.2); color: var(--accent-gold); }
.guide-step-num.cyan { background: rgba(6, 182, 212, 0.2); color: var(--accent-cyan); }

.guide-step-content { flex: 1; }

.guide-step-title {
  font-weight: 600;
  font-size: 15px;
  margin-bottom: 4px;
}

.guide-step-desc {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* Requirements */
.req-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 80px;
}

.req-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 24px;
  text-align: center;
}

.req-icon {
  width: 48px;
  height: 48px;
  background: var(--bg-secondary);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
}

.req-icon svg { width: 24px; height: 24px; color: var(--accent-cyan); }

.req-title {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.req-value {
  font-size: 18px;
  font-weight: 600;
}

/* Version Timeline */
.ver-timeline {
  max-width: 700px;
  margin: 0 auto;
}

.ver-item {
  display: flex;
  gap: 20px;
  padding-bottom: 32px;
  position: relative;
}

.ver-item::before {
  content: '';
  position: absolute;
  left: 19px;
  top: 40px;
  bottom: 0;
  width: 2px;
  background: var(--border-color);
}

.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;
  position: relative;
  z-index: 1;
}

.ver-dot.gold { background: rgba(245, 158, 11, 0.2); color: var(--accent-gold); }
.ver-dot.cyan { background: rgba(6, 182, 212, 0.2); color: var(--accent-cyan); }
.ver-dot.blue { background: rgba(59, 130, 246, 0.2); color: var(--accent-blue); }

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

.ver-content { flex: 1; padding-top: 8px; }

.ver-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 8px;
}

.ver-num { font-size: 18px; font-weight: 700; }

.ver-tag {
  padding: 4px 10px;
  border-radius: 50px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
}

.ver-tag.stable {
  background: rgba(16, 185, 129, 0.1);
  color: var(--success);
}

.ver-tag.beta {
  background: rgba(245, 158, 11, 0.1);
  color: var(--accent-gold);
}

.ver-date {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.ver-desc {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* Security Banner */
.sec-banner {
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.1) 0%, rgba(6, 182, 212, 0.1) 100%);
  border: 1px solid rgba(16, 185, 129, 0.2);
  border-radius: 16px;
  padding: 32px;
  display: flex;
  align-items: center;
  gap: 20px;
  margin-bottom: 80px;
}

.sec-banner-icon {
  width: 56px;
  height: 56px;
  background: rgba(16, 185, 129, 0.1);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.sec-banner-icon svg { width: 28px; height: 28px; color: var(--success); }

.sec-banner-content { flex: 1; }

.sec-banner-title {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 8px;
}

.sec-banner-desc {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* Article Page Styles */
.article-hero {
  padding: 60px 0;
  text-align: center;
  border-bottom: 1px solid var(--border-color);
}

.article-breadcrumb {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 24px;
}

.article-breadcrumb a { color: var(--text-secondary); text-decoration: none; }

.article-breadcrumb a:hover { color: var(--accent-gold); }

.article-breadcrumb svg { width: 14px; height: 14px; }

.article-title {
  font-size: 42px;
  font-weight: 700;
  margin-bottom: 16px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.article-subtitle {
  font-size: 18px;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

/* Keywords */
.keywords-strip {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin-top: 32px;
}

.keyword {
  padding: 8px 16px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 50px;
  font-size: 13px;
  color: var(--text-secondary);
  transition: all 0.3s ease;
}

.keyword:hover {
  border-color: var(--accent-gold);
  color: var(--accent-gold);
}

/* Article Layout */
.article-layout {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 60px;
  padding: 60px 0;
}

.article-content h2 {
  font-size: 28px;
  font-weight: 700;
  margin: 48px 0 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border-color);
}

.article-content h3 {
  font-size: 22px;
  font-weight: 600;
  margin: 32px 0 16px;
  color: var(--accent-gold);
}

.article-content p {
  font-size: 16px;
  color: var(--text-secondary);
  line-height: 1.9;
  margin-bottom: 20px;
}

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

.article-content li {
  font-size: 16px;
  color: var(--text-secondary);
  line-height: 1.9;
  margin-bottom: 12px;
}

/* Inline CTA */
.inline-cta {
  background: linear-gradient(135deg, rgba(245, 158, 11, 0.1) 0%, rgba(6, 182, 212, 0.05) 100%);
  border: 1px solid rgba(245, 158, 11, 0.2);
  border-radius: 16px;
  padding: 32px;
  margin: 40px 0;
  text-align: center;
}

.inline-cta-title {
  font-size: 22px;
  font-weight: 600;
  margin-bottom: 12px;
}

.inline-cta-desc {
  font-size: 15px;
  color: var(--text-secondary);
  margin-bottom: 24px;
}

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

.sidebar-box {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 24px;
  margin-bottom: 24px;
}

.sidebar-title {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border-color);
}

.sidebar-btn {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  margin-bottom: 12px;
  cursor: pointer;
  transition: all 0.3s ease;
  width: 100%;
  text-align: left;
  color: var(--text-primary);
}

.sidebar-btn:hover { border-color: var(--accent-gold); }

.sidebar-btn.primary {
  background: var(--gradient-gold);
  border-color: transparent;
  color: #fff;
}

.sidebar-btn-icon {
  width: 36px;
  height: 36px;
  background: rgba(255,255,255,0.1);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.sidebar-btn-icon svg { width: 20px; height: 20px; }

.sidebar-btn-info { flex: 1; }

.sidebar-btn-name { font-weight: 600; font-size: 14px; }

.sidebar-btn-ver { font-size: 12px; opacity: 0.8; }

/* TOC */
.toc-list { list-style: none; padding: 0; }

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

.toc-list a {
  display: block;
  padding: 8px 12px;
  border-radius: 8px;
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 14px;
  transition: all 0.3s ease;
}

.toc-list a:hover,
.toc-list a.active {
  background: rgba(245, 158, 11, 0.1);
  color: var(--accent-gold);
}

/* Tips Grid */
.tips-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin: 32px 0;
}

.tip-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 24px;
  transition: all 0.3s ease;
}

.tip-card:hover { border-color: var(--accent-cyan); }

.tip-num {
  width: 32px;
  height: 32px;
  background: var(--gradient-cyan);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 14px;
  color: #fff;
  margin-bottom: 16px;
}

.tip-title {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 8px;
}

.tip-desc {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* Footer */
.site-footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  padding: 60px 0 40px;
}

.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 24px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.footer-brand-icon {
  width: 44px;
  height: 44px;
  background: var(--gradient-gold);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.footer-brand-icon svg { width: 24px; height: 24px; color: #fff; }

.footer-brand-name {
  font-size: 20px;
  font-weight: 700;
}

.footer-brand-name span { color: var(--accent-gold); }

.footer-security {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.2);
  border-radius: 50px;
  font-size: 14px;
  color: var(--success);
}

.footer-security svg { width: 18px; height: 18px; }

.footer-note {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.8;
  max-width: 700px;
}

/* Mobile Nav */
.nav-mobile {
  display: none;
  position: absolute;
  top: 72px;
  left: 0;
  right: 0;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  padding: 16px 24px;
  flex-direction: column;
  gap: 8px;
}

.nav-mobile.show { display: flex; }

.nav-mobile a {
  padding: 14px 16px;
  border-radius: 8px;
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
}

.nav-mobile a:hover { background: rgba(255,255,255,0.05); color: var(--text-primary); }

.nav-mobile a.active { background: var(--gradient-gold); color: #fff; }

/* Responsive */
@media (max-width: 1024px) {
  .hero-inner { grid-template-columns: 1fr; text-align: center; }
  .hero-desc { max-width: 100%; margin-left: auto; margin-right: auto; }
  .hero-btns { justify-content: center; }
  .hero-stats { justify-content: center; }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .deep-row { grid-template-columns: 1fr; gap: 40px; }
  .deep-row.reverse { direction: ltr; }
  .deep-content { max-width: 100%; text-align: center; }
  .deep-list { align-items: center; }
  .article-layout { grid-template-columns: 1fr; }
  .sidebar { position: static; }
}

@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-toggle { display: block; }
  .hero-title { font-size: 36px; }
  .sec-title { font-size: 28px; }
  .features-grid { grid-template-columns: 1fr; }
  .platform-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 24px; }
  .reviews-grid { grid-template-columns: 1fr; }
  .comparison-table { font-size: 13px; }
  .comparison-table th,
  .comparison-table td { padding: 12px; }
  .cta-banner { padding: 40px 24px; }
  .cta-title { font-size: 28px; }
  .dl-platforms-grid { grid-template-columns: 1fr; }
  .guide-grid { grid-template-columns: 1fr; }
  .req-grid { grid-template-columns: repeat(2, 1fr); }
  .tips-grid { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .platform-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr; }
  .req-grid { grid-template-columns: 1fr; }
  .dl-specs { grid-template-columns: 1fr; }
}

/* ========================================
   News Section Styles
   ======================================== */

/* News Grid (for homepage) */
.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  margin-bottom: 40px;
}

.news-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 28px;
  transition: all 0.3s ease;
}

.news-card:hover {
  border-color: var(--accent-gold);
  transform: translateY(-4px);
}

.news-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

.news-date {
  font-size: 13px;
  color: var(--text-muted);
}

.news-tag {
  padding: 4px 10px;
  background: rgba(245, 158, 11, 0.1);
  border: 1px solid rgba(245, 158, 11, 0.2);
  border-radius: 50px;
  font-size: 12px;
  font-weight: 600;
  color: var(--accent-gold);
}

.news-title {
  font-size: 18px;
  font-weight: 600;
  line-height: 1.5;
  margin-bottom: 12px;
  color: var(--text-primary);
}

.news-excerpt {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 20px;
}

.news-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 600;
  color: var(--accent-gold);
  text-decoration: none;
  transition: all 0.3s ease;
}

.news-link:hover {
  gap: 10px;
}

.news-more {
  text-align: center;
}

/* News List (for news.html) */
.news-list {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.news-item-large {
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: 30px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 32px;
  transition: all 0.3s ease;
}

.news-item-large:hover {
  border-color: var(--accent-gold);
}

.news-item-date {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.news-item-day {
  font-size: 42px;
  font-weight: 700;
  line-height: 1;
  color: var(--accent-gold);
}

.news-item-month {
  font-size: 14px;
  color: var(--text-muted);
  margin-top: 4px;
}

.news-item-tag {
  display: inline-block;
  padding: 4px 12px;
  background: rgba(6, 182, 212, 0.1);
  border: 1px solid rgba(6, 182, 212, 0.2);
  border-radius: 50px;
  font-size: 12px;
  font-weight: 600;
  color: var(--accent-cyan);
  margin-bottom: 12px;
}

.news-item-title {
  font-size: 22px;
  font-weight: 600;
  line-height: 1.4;
  margin-bottom: 12px;
  color: var(--text-primary);
}

.news-item-excerpt {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 16px;
}

/* Article Page Styles */
.article-wrap {
  padding: 40px 0 60px;
}

.article-back {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--text-secondary);
  text-decoration: none;
  margin-bottom: 32px;
  transition: all 0.3s ease;
}

.article-back:hover {
  color: var(--accent-gold);
}

.article-content {
  max-width: 800px;
  margin: 0 auto;
}

.article-header {
  margin-bottom: 40px;
  padding-bottom: 30px;
  border-bottom: 1px solid var(--border-color);
}

.article-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 16px;
}

.article-date {
  font-size: 14px;
  color: var(--text-muted);
}

.article-category {
  padding: 4px 12px;
  background: rgba(245, 158, 11, 0.1);
  border: 1px solid rgba(245, 158, 11, 0.2);
  border-radius: 50px;
  font-size: 12px;
  font-weight: 600;
  color: var(--accent-gold);
}

.article-content .article-title {
  font-size: 36px;
  font-weight: 700;
  line-height: 1.3;
  color: var(--text-primary);
}

.article-body {
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-secondary);
}

.article-body h2 {
  font-size: 24px;
  font-weight: 600;
  color: var(--text-primary);
  margin: 40px 0 20px;
}

.article-body h3 {
  font-size: 20px;
  font-weight: 600;
  color: var(--text-primary);
  margin: 32px 0 16px;
}

.article-body p {
  margin-bottom: 20px;
}

.article-body ul,
.article-body ol {
  margin: 16px 0;
  padding-left: 24px;
}

.article-body li {
  margin-bottom: 8px;
}

/* Responsive for News */
@media (max-width: 1024px) {
  .news-grid { grid-template-columns: repeat(2, 1fr); }
  .news-item-large { grid-template-columns: 80px 1fr; }
}

@media (max-width: 768px) {
  .news-grid { grid-template-columns: 1fr; }
  .news-item-large {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .news-item-date {
    flex-direction: row;
    gap: 12px;
    justify-content: flex-start;
  }
  .news-item-day { font-size: 32px; }
  .news-item-month { margin-top: 0; }
  .article-content .article-title { font-size: 28px; }
}