/* ========== Chrome Horizon — Sunrise Warm Theme ========== */
:root {
  --orange: #F97316;
  --amber: #F59E0B;
  --deep: #1A1A2E;
  --navy: #16213E;
  --cream: #FFF8F0;
  --white: #FFFFFF;
  --gray-50: #FAFAFA;
  --gray-100: #F3F4F6;
  --gray-200: #E5E7EB;
  --gray-300: #D1D5DB;
  --gray-500: #6B7280;
  --gray-600: #4B5563;
  --gray-700: #374151;
  --gray-800: #1F2937;
  --gray-900: #111827;
  --green: #10B981;
  --blue: #3B82F6;
  --red: #EF4444;
  --radius: 12px;
  --radius-sm: 8px;
  --radius-lg: 20px;
  --shadow: 0 4px 24px rgba(0,0,0,0.08);
  --shadow-lg: 0 12px 40px rgba(0,0,0,0.12);
  --transition: 0.3s ease;
}

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

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes slideRight {
  from { opacity: 0; transform: translateX(-40px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}

@keyframes gradientShift {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

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

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Microsoft YaHei", sans-serif;
  color: var(--gray-800);
  background: var(--cream);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; border: none; font-family: inherit; }
ul, ol { list-style: none; }

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

/* ========== Topbar Accent Strip ========== */
.topbar-strip {
  height: 4px;
  background: linear-gradient(90deg, var(--orange), var(--amber), var(--orange), #FF6B35);
  background-size: 300% 100%;
  animation: gradientShift 4s ease infinite;
}

/* ========== Navbar ========== */
.navbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--white);
  border-bottom: 1px solid var(--gray-200);
  box-shadow: 0 2px 12px rgba(0,0,0,0.04);
}

.navbar .inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  height: 64px;
}

.navbar .logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 18px;
  color: var(--deep);
}

.navbar .logo svg { flex-shrink: 0; }

.navbar .logo small {
  display: block;
  font-size: 11px;
  font-weight: 400;
  color: var(--gray-500);
  margin-top: 2px;
}

.nav-links { display: flex; align-items: center; gap: 6px; }

.nav-links a {
  padding: 8px 18px;
  border-radius: 24px;
  font-size: 14px;
  font-weight: 500;
  color: var(--gray-600);
  transition: var(--transition);
}

.nav-links a:hover {
  background: var(--gray-100);
  color: var(--gray-800);
}

.nav-links a.active {
  background: linear-gradient(135deg, var(--orange), var(--amber));
  color: var(--white);
  font-weight: 600;
}

.nav-dl-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 20px;
  border-radius: 24px;
  background: var(--deep);
  color: var(--white);
  font-size: 13px;
  font-weight: 600;
  transition: var(--transition);
  border: none;
}

.nav-dl-btn:hover { background: var(--navy); transform: translateY(-1px); }

/* ========== Buttons ========== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 28px;
  font-size: 15px;
  font-weight: 600;
  transition: var(--transition);
  border: none;
  cursor: pointer;
}

.btn-primary {
  background: linear-gradient(135deg, var(--orange), #FF6B35);
  color: var(--white);
  box-shadow: 0 4px 20px rgba(249,115,22,0.35);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(249,115,22,0.45);
}

.btn-secondary {
  background: var(--white);
  color: var(--deep);
  border: 2px solid var(--gray-200);
}

.btn-secondary:hover {
  border-color: var(--orange);
  color: var(--orange);
}

.btn-dark {
  background: var(--deep);
  color: var(--white);
}

.btn-dark:hover { background: var(--navy); }

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

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

.btn-sm { padding: 10px 22px; font-size: 13px; }
.btn-lg { padding: 16px 40px; font-size: 16px; }

.btn:disabled {
  opacity: 0.7;
  cursor: not-allowed;
  transform: none !important;
}

/* ========== Hero (Diagonal Split) ========== */
.hero {
  position: relative;
  overflow: hidden;
  padding: 80px 0 100px;
  background: var(--deep);
  color: var(--white);
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 80%;
  height: 200%;
  background: linear-gradient(135deg, rgba(249,115,22,0.15), rgba(245,158,11,0.08));
  transform: rotate(-12deg);
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 80px;
  background: linear-gradient(to bottom right, transparent 49.5%, var(--cream) 50.5%);
}

.hero .container { position: relative; z-index: 2; }

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.hero-text h1 {
  font-size: 48px;
  line-height: 1.15;
  font-weight: 800;
  margin-bottom: 20px;
  animation: fadeUp 0.8s ease;
}

.hero-text h1 .highlight {
  background: linear-gradient(135deg, var(--orange), var(--amber));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-text p {
  font-size: 17px;
  color: rgba(255,255,255,0.75);
  margin-bottom: 32px;
  max-width: 480px;
  animation: fadeUp 0.8s ease 0.15s both;
}

.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  animation: fadeUp 0.8s ease 0.3s both;
}

.hero-visual {
  display: flex;
  justify-content: center;
  animation: slideRight 1s ease 0.3s both;
}

.hero-browser-mockup {
  width: 100%;
  max-width: 520px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-lg);
  overflow: hidden;
  backdrop-filter: blur(10px);
}

.mockup-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  background: rgba(255,255,255,0.08);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.mockup-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.mockup-dot.red { background: #EF4444; }
.mockup-dot.yellow { background: #F59E0B; }
.mockup-dot.green { background: #10B981; }

.mockup-url {
  flex: 1;
  margin-left: 8px;
  padding: 6px 14px;
  background: rgba(255,255,255,0.06);
  border-radius: 8px;
  font-size: 12px;
  color: rgba(255,255,255,0.5);
}

.mockup-body { padding: 30px 24px; }

.mockup-speed-panel {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.speed-metric {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-sm);
  padding: 16px;
  text-align: center;
}

.speed-metric .val {
  font-size: 28px;
  font-weight: 800;
  background: linear-gradient(135deg, var(--orange), var(--amber));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.speed-metric .label {
  font-size: 11px;
  color: rgba(255,255,255,0.45);
  margin-top: 4px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* ========== Stats Banner ========== */
.stats-banner {
  padding: 0 0 60px;
  margin-top: -40px;
  position: relative;
  z-index: 3;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.stat-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 28px 24px;
  text-align: center;
  box-shadow: var(--shadow);
  transition: var(--transition);
}

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

.stat-card .icon {
  width: 48px;
  height: 48px;
  margin: 0 auto 12px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.stat-card .icon.orange { background: rgba(249,115,22,0.1); color: var(--orange); }
.stat-card .icon.blue { background: rgba(59,130,246,0.1); color: var(--blue); }
.stat-card .icon.green { background: rgba(16,185,129,0.1); color: var(--green); }
.stat-card .icon.amber { background: rgba(245,158,11,0.1); color: var(--amber); }

.stat-card .number {
  font-size: 32px;
  font-weight: 800;
  color: var(--deep);
  line-height: 1.2;
}

.stat-card .desc {
  font-size: 13px;
  color: var(--gray-500);
  margin-top: 4px;
}

/* ========== Section Base ========== */
.section { padding: 80px 0; }
.section-dark { background: var(--deep); color: var(--white); }
.section-gray { background: var(--gray-50); }

.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 48px;
}

.section-header .tag {
  display: inline-block;
  padding: 6px 16px;
  background: rgba(249,115,22,0.1);
  color: var(--orange);
  border-radius: 20px;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 14px;
}

.section-dark .section-header .tag {
  background: rgba(249,115,22,0.2);
}

.section-header h2 {
  font-size: 36px;
  font-weight: 800;
  line-height: 1.25;
  color: var(--deep);
}

.section-dark .section-header h2 { color: var(--white); }

.section-header p {
  font-size: 16px;
  color: var(--gray-500);
  margin-top: 12px;
}

.section-dark .section-header p { color: rgba(255,255,255,0.6); }

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

.feature-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 32px 28px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--orange), var(--amber));
  opacity: 0;
  transition: var(--transition);
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

.feature-card:hover::before { opacity: 1; }

.feature-card .feat-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  background: linear-gradient(135deg, rgba(249,115,22,0.1), rgba(245,158,11,0.05));
  color: var(--orange);
}

.feature-card h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--deep);
}

.feature-card p {
  font-size: 14px;
  color: var(--gray-500);
  line-height: 1.65;
}

/* ========== Showcase Rows (alternating) ========== */
.showcase-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  padding: 40px 0;
}

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

.showcase-text .sub-tag {
  display: inline-block;
  padding: 4px 12px;
  background: rgba(249,115,22,0.1);
  color: var(--orange);
  border-radius: 16px;
  font-size: 12px;
  font-weight: 600;
  margin-bottom: 14px;
}

.showcase-text h3 {
  font-size: 28px;
  font-weight: 800;
  color: var(--deep);
  margin-bottom: 12px;
  line-height: 1.3;
}

.showcase-text p {
  font-size: 15px;
  color: var(--gray-600);
  margin-bottom: 20px;
}

.showcase-text ul { display: flex; flex-direction: column; gap: 10px; }

.showcase-text ul li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14px;
  color: var(--gray-600);
}

.showcase-text ul li svg { flex-shrink: 0; margin-top: 2px; color: var(--green); }

.showcase-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

.showcase-panel {
  width: 100%;
  max-width: 480px;
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  text-align: center;
  position: relative;
}

.showcase-panel.panel-speed {
  background: linear-gradient(135deg, #FFF7ED, #FEF3C7);
  border: 1px solid rgba(249,115,22,0.15);
}

.showcase-panel.panel-secure {
  background: linear-gradient(135deg, #ECFDF5, #D1FAE5);
  border: 1px solid rgba(16,185,129,0.15);
}

.showcase-panel.panel-sync {
  background: linear-gradient(135deg, #EFF6FF, #DBEAFE);
  border: 1px solid rgba(59,130,246,0.15);
}

.panel-big-number {
  font-size: 64px;
  font-weight: 900;
  line-height: 1;
  margin-bottom: 8px;
}

.panel-speed .panel-big-number { color: var(--orange); }
.panel-secure .panel-big-number { color: var(--green); }
.panel-sync .panel-big-number { color: var(--blue); }

.panel-label {
  font-size: 14px;
  color: var(--gray-500);
}

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

.platform-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 28px 24px;
  text-align: center;
  transition: var(--transition);
}

.platform-card.featured {
  background: linear-gradient(135deg, var(--deep), var(--navy));
  color: var(--white);
  border-color: transparent;
  box-shadow: var(--shadow-lg);
  position: relative;
  overflow: hidden;
}

.platform-card.featured::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -30%;
  width: 60%;
  height: 150%;
  background: rgba(249,115,22,0.1);
  transform: rotate(-20deg);
  pointer-events: none;
}

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

.platform-card .plat-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 16px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.platform-card .plat-icon { background: rgba(249,115,22,0.08); color: var(--orange); }
.platform-card.featured .plat-icon { background: rgba(255,255,255,0.1); color: var(--orange); }

.platform-card h3 { font-size: 16px; font-weight: 700; margin-bottom: 6px; }
.platform-card .plat-desc { font-size: 13px; color: var(--gray-500); margin-bottom: 18px; }
.platform-card.featured .plat-desc { color: rgba(255,255,255,0.6); }

.platform-card .btn { width: 100%; justify-content: center; }

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

.review-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow);
  transition: var(--transition);
  border-left: 4px solid var(--orange);
}

.review-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); }

.review-stars { display: flex; gap: 3px; margin-bottom: 12px; color: var(--amber); }

.review-card .text {
  font-size: 14px;
  color: var(--gray-600);
  line-height: 1.7;
  margin-bottom: 16px;
}

.review-author {
  display: flex;
  align-items: center;
  gap: 10px;
}

.review-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 700;
  color: var(--white);
}

.review-author .name { font-size: 13px; font-weight: 600; color: var(--deep); }
.review-author .role { font-size: 12px; color: var(--gray-500); }

/* ========== FAQ ========== */
.faq-columns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.faq-item {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-sm);
  overflow: hidden;
  transition: var(--transition);
}

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

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  cursor: pointer;
  font-size: 14px;
  font-weight: 600;
  color: var(--deep);
  background: none;
  border: none;
  width: 100%;
  text-align: left;
  gap: 12px;
  transition: var(--transition);
}

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

.faq-question svg { flex-shrink: 0; transition: transform 0.3s ease; }
.faq-item.active .faq-question svg { transform: rotate(180deg); }

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease;
}

.faq-answer-inner {
  padding: 0 20px 16px;
  font-size: 14px;
  color: var(--gray-600);
  line-height: 1.7;
}

/* ========== CTA Banner ========== */
.cta-banner {
  padding: 80px 0;
  background: linear-gradient(135deg, var(--deep), var(--navy));
  text-align: center;
  color: var(--white);
  position: relative;
  overflow: hidden;
}

.cta-banner::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -20%;
  width: 60%;
  height: 200%;
  background: radial-gradient(circle, rgba(249,115,22,0.12), transparent 70%);
  pointer-events: none;
}

.cta-banner h2 {
  font-size: 36px;
  font-weight: 800;
  margin-bottom: 14px;
  position: relative;
}

.cta-banner p {
  font-size: 16px;
  color: rgba(255,255,255,0.65);
  margin-bottom: 32px;
  position: relative;
}

.cta-banner .btn { position: relative; }

/* ========== Footer ========== */
.site-footer {
  background: var(--gray-900);
  color: rgba(255,255,255,0.5);
  padding: 40px 0;
  text-align: center;
  font-size: 13px;
  line-height: 1.8;
}

.site-footer .verify {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--green);
  font-weight: 500;
  margin-bottom: 8px;
}

.site-footer .copyright { color: rgba(255,255,255,0.4); }

/* ========== Download Page Specific ========== */
.dl-hero {
  padding: 60px 0 80px;
  background: var(--deep);
  color: var(--white);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.dl-hero::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 60px;
  background: linear-gradient(to bottom right, transparent 49.5%, var(--cream) 50.5%);
}

.dl-hero h1 { font-size: 40px; font-weight: 800; margin-bottom: 12px; }
.dl-hero p { font-size: 16px; color: rgba(255,255,255,0.65); }

.dl-hero .version-badge {
  display: inline-block;
  margin-top: 16px;
  padding: 6px 16px;
  background: rgba(249,115,22,0.2);
  color: var(--orange);
  border-radius: 20px;
  font-size: 13px;
  font-weight: 600;
}

.win-main-card {
  margin-top: -40px;
  position: relative;
  z-index: 5;
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  display: grid;
  grid-template-columns: 2fr 3fr;
}

.win-card-left {
  background: linear-gradient(135deg, var(--deep), var(--navy));
  color: var(--white);
  padding: 48px 40px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.win-card-left h2 { font-size: 28px; font-weight: 800; margin-bottom: 10px; }
.win-card-left p { font-size: 14px; color: rgba(255,255,255,0.65); margin-bottom: 24px; }

.win-card-right { padding: 48px 40px; }

.win-info-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 28px;
}

.win-info-item { display: flex; align-items: flex-start; gap: 10px; }
.win-info-item .info-icon {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: rgba(249,115,22,0.08);
  color: var(--orange);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.win-info-item .info-label { font-size: 12px; color: var(--gray-500); }
.win-info-item .info-value { font-size: 14px; font-weight: 600; color: var(--deep); }

.other-platforms { padding: 60px 0; }

.other-plat-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.other-plat-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 32px 28px;
  text-align: center;
  transition: var(--transition);
}

.other-plat-card:hover { transform: translateY(-3px); box-shadow: var(--shadow); }

.other-plat-card .plat-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 16px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gray-100);
  color: var(--gray-700);
}

.other-plat-card h3 { font-size: 17px; font-weight: 700; margin-bottom: 6px; color: var(--deep); }
.other-plat-card p { font-size: 13px; color: var(--gray-500); margin-bottom: 18px; }

/* ========== Tabs ========== */
.tabs-container { margin-top: 40px; }

.tabs-nav {
  display: flex;
  gap: 4px;
  background: var(--gray-100);
  border-radius: 12px;
  padding: 4px;
  width: fit-content;
  margin: 0 auto 24px;
}

.tab-btn {
  padding: 10px 24px;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 500;
  color: var(--gray-500);
  background: transparent;
  border: none;
  cursor: pointer;
  transition: var(--transition);
}

.tab-btn.active {
  background: var(--white);
  color: var(--deep);
  font-weight: 600;
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}

.tab-panel { display: none; }
.tab-panel.active { display: block; }

.spec-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.spec-table th,
.spec-table td {
  padding: 14px 20px;
  text-align: left;
  font-size: 14px;
  border-bottom: 1px solid var(--gray-100);
}

.spec-table th {
  background: var(--gray-50);
  font-weight: 600;
  color: var(--deep);
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.3px;
}

.spec-table td { color: var(--gray-600); }

/* ========== Install Steps (cards) ========== */
.install-steps {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
  margin-top: 40px;
}

.install-step {
  text-align: center;
  padding: 24px 16px;
  background: var(--white);
  border-radius: var(--radius);
  border: 1px solid var(--gray-200);
  transition: var(--transition);
  position: relative;
}

.install-step:hover { border-color: var(--orange); }

.install-step .step-num {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--orange), var(--amber));
  color: var(--white);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 12px;
}

.install-step h4 { font-size: 14px; font-weight: 700; color: var(--deep); margin-bottom: 6px; }
.install-step p { font-size: 12px; color: var(--gray-500); }

/* ========== Security Bar ========== */
.security-bar {
  margin-top: 40px;
  padding: 20px 28px;
  background: linear-gradient(135deg, #ECFDF5, #D1FAE5);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  gap: 16px;
}

.security-bar .shield {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--green);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.security-bar h4 { font-size: 15px; font-weight: 700; color: var(--deep); }
.security-bar p { font-size: 13px; color: var(--gray-600); margin-top: 2px; }

/* ========== Article Layout (zh-cn) ========== */
.article-hero {
  padding: 50px 0 60px;
  background: linear-gradient(135deg, var(--deep), var(--navy));
  color: var(--white);
  position: relative;
  overflow: hidden;
}

.article-hero::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 50px;
  background: linear-gradient(to bottom right, transparent 49.5%, var(--cream) 50.5%);
}

.article-hero .breadcrumb {
  font-size: 13px;
  color: rgba(255,255,255,0.5);
  margin-bottom: 16px;
}

.article-hero .breadcrumb a { color: rgba(255,255,255,0.6); }
.article-hero .breadcrumb a:hover { color: var(--orange); }

.article-hero h1 { font-size: 36px; font-weight: 800; margin-bottom: 12px; }
.article-hero .meta {
  font-size: 13px;
  color: rgba(255,255,255,0.5);
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

.article-hero .tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 16px;
}

.article-hero .tags span {
  padding: 4px 12px;
  background: rgba(255,255,255,0.1);
  border-radius: 16px;
  font-size: 12px;
  color: rgba(255,255,255,0.7);
}

.article-layout {
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: 48px;
  padding: 60px 0;
}

.article-body h2 {
  font-size: 24px;
  font-weight: 800;
  color: var(--deep);
  margin: 40px 0 16px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--gray-200);
  scroll-margin-top: 80px;
}

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

.article-body p {
  font-size: 15px;
  color: var(--gray-600);
  margin-bottom: 16px;
  line-height: 1.8;
}

.article-body h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--deep);
  margin: 24px 0 10px;
}

.article-body ul {
  padding-left: 20px;
  margin-bottom: 16px;
}

.article-body ul li {
  font-size: 14px;
  color: var(--gray-600);
  margin-bottom: 8px;
  position: relative;
  padding-left: 16px;
}

.article-body ul li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--orange);
}

/* Sidebar */
.article-sidebar { position: relative; }

.sidebar-sticky {
  position: sticky;
  top: 80px;
}

.toc-box {
  background: var(--white);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
  margin-bottom: 24px;
}

.toc-box h4 {
  font-size: 14px;
  font-weight: 700;
  color: var(--deep);
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--gray-200);
}

.toc-box ul li { margin-bottom: 6px; }

.toc-box ul li a {
  font-size: 13px;
  color: var(--gray-500);
  display: block;
  padding: 5px 12px;
  border-radius: 6px;
  border-left: 2px solid transparent;
  transition: var(--transition);
}

.toc-box ul li a:hover { color: var(--orange); background: rgba(249,115,22,0.04); }

.toc-box ul li a.active {
  color: var(--orange);
  background: rgba(249,115,22,0.06);
  border-left-color: var(--orange);
  font-weight: 600;
}

.sidebar-dl-card {
  background: linear-gradient(135deg, var(--deep), var(--navy));
  color: var(--white);
  border-radius: var(--radius);
  padding: 24px;
  text-align: center;
}

.sidebar-dl-card h4 { font-size: 15px; font-weight: 700; margin-bottom: 8px; }
.sidebar-dl-card p { font-size: 12px; color: rgba(255,255,255,0.6); margin-bottom: 16px; }

/* ========== Comparison Table ========== */
.compare-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  margin: 24px 0;
}

.compare-table th,
.compare-table td {
  padding: 12px 16px;
  text-align: center;
  font-size: 13px;
  border-bottom: 1px solid var(--gray-100);
}

.compare-table th {
  background: var(--gray-50);
  font-weight: 700;
  color: var(--deep);
}

.compare-table th:first-child,
.compare-table td:first-child { text-align: left; }

.compare-table td { color: var(--gray-600); }

.compare-table .check { color: var(--green); }
.compare-table .cross { color: var(--red); }
.compare-table .partial { color: var(--amber); }

.compare-table .highlight-col { background: rgba(249,115,22,0.04); }
.compare-table th.highlight-col { background: rgba(249,115,22,0.08); color: var(--orange); }

/* ========== Tips Grid ========== */
.tips-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin: 24px 0;
}

.tip-card {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-sm);
  padding: 18px;
  transition: var(--transition);
}

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

.tip-card .tip-num {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--orange), var(--amber));
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 700;
  flex-shrink: 0;
}

.tip-card h4 { font-size: 14px; font-weight: 600; color: var(--deep); margin-bottom: 4px; }
.tip-card p { font-size: 13px; color: var(--gray-500); }

/* ========== Version Log ========== */
.version-log { margin: 24px 0; }

.version-entry {
  display: flex;
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px solid var(--gray-100);
}

.version-entry:last-child { border-bottom: none; }

.version-tag {
  padding: 4px 12px;
  background: rgba(249,115,22,0.1);
  color: var(--orange);
  border-radius: 12px;
  font-size: 12px;
  font-weight: 600;
  white-space: nowrap;
  height: fit-content;
}

.version-entry .ver-content { flex: 1; }
.version-entry .ver-content h4 { font-size: 14px; font-weight: 600; color: var(--deep); margin-bottom: 4px; }
.version-entry .ver-content p { font-size: 13px; color: var(--gray-500); }

/* ========== Article CTA Box ========== */
.article-cta {
  margin: 48px 0 0;
  padding: 40px;
  background: linear-gradient(135deg, var(--orange), #FF6B35);
  border-radius: var(--radius-lg);
  text-align: center;
  color: var(--white);
}

.article-cta h3 { font-size: 24px; font-weight: 800; margin-bottom: 10px; }
.article-cta p { font-size: 14px; color: rgba(255,255,255,0.85); margin-bottom: 24px; }

.article-cta .btn-white {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 36px;
  background: var(--white);
  color: var(--orange);
  border-radius: 28px;
  font-size: 15px;
  font-weight: 700;
  transition: var(--transition);
}

.article-cta .btn-white:hover { transform: translateY(-2px); box-shadow: 0 6px 24px rgba(0,0,0,0.15); }

/* ========== DL FAQ ========== */
.dl-faq-list { max-width: 720px; margin: 0 auto; }
.dl-faq-list .faq-item { margin-bottom: 10px; }

/* ========== Responsive ========== */
@media (max-width: 1024px) {
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .hero-visual { order: -1; }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .platform-grid { grid-template-columns: repeat(2, 1fr); }
  .reviews-grid { grid-template-columns: repeat(2, 1fr); }
  .showcase-row { grid-template-columns: 1fr; gap: 30px; }
  .showcase-row.reverse { direction: ltr; }
  .win-main-card { grid-template-columns: 1fr; }
  .install-steps { grid-template-columns: repeat(3, 1fr); }
  .article-layout { grid-template-columns: 1fr; }
  .article-sidebar { order: -1; }
  .sidebar-sticky { position: static; }
  .toc-box { display: none; }
}

@media (max-width: 768px) {
  .hero-text h1 { font-size: 32px; }
  .section-header h2 { font-size: 28px; }
  .feature-grid { grid-template-columns: 1fr; }
  .platform-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .reviews-grid { grid-template-columns: 1fr; }
  .faq-columns { grid-template-columns: 1fr; }
  .other-plat-grid { grid-template-columns: 1fr; }
  .install-steps { grid-template-columns: 1fr; }
  .tips-grid { grid-template-columns: 1fr; }
  .nav-links { gap: 2px; }
  .nav-links a { padding: 6px 12px; font-size: 13px; }
  .navbar .inner { padding: 0 16px; }
  .container { padding: 0 16px; }
  .dl-hero h1 { font-size: 28px; }
  .win-card-left, .win-card-right { padding: 32px 24px; }
  .win-info-grid { grid-template-columns: 1fr; }
  .article-hero h1 { font-size: 26px; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; }
}

@media (max-width: 480px) {
  .navbar .logo small { display: none; }
  .nav-dl-btn { display: none; }
  .hero { padding: 50px 0 70px; }
  .section { padding: 50px 0; }
}