@charset "UTF-8";

:root {
  --bg-main: #0b0914;
  --bg-surface: #151226;
  --bg-glass: rgba(21, 18, 38, 0.6);
  --border-glass: rgba(255, 255, 255, 0.08);
  --accent-orange: #ff8a00;
  --accent-blue: #00e1ff;
  --text-main: #f8f8f8;
  --text-muted: #a19db3;
  --glow-orange: rgba(255, 138, 0, 0.3);
  --glow-blue: rgba(0, 225, 255, 0.3);
  --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

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

body {
  font-family: var(--font-family);
  background-color: var(--bg-main);
  color: var(--text-main);
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
}

/* Background Orbs */
body::before, body::after {
  content: "";
  position: fixed;
  border-radius: 50%;
  filter: blur(120px);
  z-index: -1;
  pointer-events: none;
}
body::before {
  width: 400px;
  height: 400px;
  background: var(--glow-orange);
  top: -100px;
  left: -100px;
}
body::after {
  width: 500px;
  height: 500px;
  background: var(--glow-blue);
  bottom: -200px;
  right: -100px;
}

a {
  color: var(--text-main);
  text-decoration: none;
}
ul {
  list-style: none;
}
img, svg {
  max-width: 100%;
}

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

/* Navigation */
.topnav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--bg-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-glass);
}
.nav-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 72px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-main);
}
.brand svg {
  width: 32px;
  height: 32px;
}
.navlist {
  display: flex;
  gap: 32px;
}
.navlist a {
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: all 0.3s ease;
  padding: 8px 0;
  position: relative;
}
.navlist a::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0%;
  height: 2px;
  background: linear-gradient(90deg, var(--accent-blue), var(--accent-orange));
  transition: width 0.3s ease;
}
.navlist a:hover,
.navlist a.on {
  color: var(--text-main);
}
.navlist a.on::after {
  width: 100%;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all 0.3s ease;
}
.btn-primary {
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-orange));
  color: #fff;
  box-shadow: 0 4px 20px rgba(0, 225, 255, 0.2);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(255, 138, 0, 0.3);
}
.btn-outline {
  background: transparent;
  border: 1px solid var(--accent-blue);
  color: var(--accent-blue);
}
.btn-outline:hover {
  background: rgba(0, 225, 255, 0.1);
}
.btn-lg {
  padding: 16px 36px;
  font-size: 1.125rem;
  border-radius: 12px;
}
.btn-sm {
  padding: 8px 16px;
  font-size: 0.875rem;
}
.btn:disabled {
  opacity: 0.7;
  cursor: not-allowed;
  transform: none !important;
}

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

/* Sections */
.sec {
  padding: 100px 0;
}
.sec-title {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 16px;
  text-align: center;
  background: linear-gradient(90deg, #fff, var(--text-muted));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.sec-sub {
  font-size: 1.125rem;
  color: var(--text-muted);
  text-align: center;
  max-width: 600px;
  margin: 0 auto 64px;
}

/* Hero Section */
.hero {
  padding: 120px 0 80px;
  text-align: center;
}
.hero-badge {
  display: inline-block;
  padding: 6px 16px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-glass);
  border-radius: 100px;
  font-size: 0.875rem;
  color: var(--accent-blue);
  margin-bottom: 24px;
}
.hero-title {
  font-size: 4rem;
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 24px;
  background: linear-gradient(to right, #fff, var(--text-muted));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero-desc {
  font-size: 1.25rem;
  color: var(--text-muted);
  max-width: 700px;
  margin: 0 auto 40px;
}
.hero-actions {
  display: flex;
  justify-content: center;
  gap: 16px;
  margin-bottom: 60px;
}
.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  background: var(--bg-glass);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-glass);
  border-radius: 16px;
  padding: 40px;
  margin-top: 40px;
}
.hero-stat-val {
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent-orange);
  margin-bottom: 8px;
}
.hero-stat-lbl {
  font-size: 0.875rem;
  color: var(--text-muted);
}

/* Feature Grid */
.feat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
}
.feat-card {
  background: var(--bg-glass);
  border: 1px solid var(--border-glass);
  border-radius: 16px;
  padding: 32px;
  transition: transform 0.3s ease, border-color 0.3s ease;
}
.feat-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent-blue);
}
.feat-icon {
  width: 48px;
  height: 48px;
  background: rgba(0, 225, 255, 0.1);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-blue);
  margin-bottom: 24px;
}
.feat-icon svg {
  width: 24px;
  height: 24px;
}
.feat-name {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 12px;
}
.feat-desc {
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* Deep Features */
.deep-row {
  display: flex;
  align-items: center;
  gap: 60px;
  margin-bottom: 80px;
}
.deep-row:nth-child(even) {
  flex-direction: row-reverse;
}
.deep-info {
  flex: 1;
}
.deep-visual {
  flex: 1;
  background: linear-gradient(135deg, rgba(255,138,0,0.1), rgba(0,225,255,0.1));
  border: 1px solid var(--border-glass);
  border-radius: 24px;
  height: 400px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px;
}
.deep-visual svg {
  width: 100%;
  height: 100%;
  color: var(--text-main);
  opacity: 0.8;
}
.deep-badge {
  color: var(--accent-orange);
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 16px;
}
.deep-title {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 24px;
}
.deep-desc {
  color: var(--text-muted);
  font-size: 1.125rem;
}

/* Platforms Grid */
.plat-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.plat-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-glass);
  border-radius: 16px;
  padding: 32px 24px;
  text-align: center;
  transition: all 0.3s ease;
}
.plat-card:hover {
  background: rgba(255, 255, 255, 0.03);
  border-color: var(--accent-orange);
}
.plat-ico {
  width: 64px;
  height: 64px;
  margin: 0 auto 20px;
  color: var(--text-main);
}
.plat-name {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 8px;
}
.plat-ver {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: 20px;
}

/* Review Cards */
.rev-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
}
.rev-card {
  background: var(--bg-glass);
  border: 1px solid var(--border-glass);
  border-radius: 16px;
  padding: 32px;
}
.rev-stars {
  color: var(--accent-orange);
  margin-bottom: 16px;
  display: flex;
  gap: 4px;
}
.rev-stars svg { width: 16px; height: 16px; }
.rev-text {
  font-size: 1rem;
  font-style: italic;
  color: var(--text-muted);
  margin-bottom: 24px;
}
.rev-author {
  display: flex;
  align-items: center;
  gap: 12px;
}
.rev-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--accent-blue);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: #000;
}
.rev-name { font-weight: 600; }

/* Comparison Table */
.cmp-wrap {
  overflow-x: auto;
}
.cmp-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  min-width: 600px;
}
.cmp-table th, .cmp-table td {
  padding: 20px;
  border-bottom: 1px solid var(--border-glass);
}
.cmp-table th {
  font-weight: 600;
  color: var(--text-muted);
}
.cmp-table .hl {
  background: rgba(0, 225, 255, 0.05);
  color: var(--accent-blue);
  font-weight: 600;
}
.cmp-table tr:hover td {
  background: rgba(255, 255, 255, 0.02);
}

/* FAQ */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
}
.faq-item {
  border-bottom: 1px solid var(--border-glass);
}
.faq-q {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px 0;
  background: none;
  border: none;
  color: var(--text-main);
  font-size: 1.125rem;
  font-weight: 600;
  text-align: left;
  cursor: pointer;
}
.faq-chevron {
  width: 24px;
  height: 24px;
  transition: transform 0.3s ease;
  color: var(--accent-blue);
}
.faq-item.open .faq-chevron {
  transform: rotate(180deg);
}
.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
  color: var(--text-muted);
}
.faq-a-inner {
  padding-bottom: 24px;
  line-height: 1.6;
}

/* CTA Block */
.cta-block {
  text-align: center;
  background: linear-gradient(135deg, rgba(255,138,0,0.1), rgba(0,225,255,0.1));
  border: 1px solid var(--accent-blue);
  border-radius: 24px;
  padding: 60px 24px;
  margin-top: 40px;
}

/* Download Hero */
.dl-hero {
  padding: 80px 0;
}
.dl-main {
  background: var(--bg-surface);
  border: 1px solid var(--accent-orange);
  border-radius: 24px;
  padding: 48px;
  text-align: center;
  margin-bottom: 64px;
  box-shadow: 0 0 40px rgba(255,138,0,0.1);
}
.dl-main-title {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 16px;
}
.dl-meta {
  display: flex;
  justify-content: center;
  gap: 24px;
  color: var(--text-muted);
  margin-bottom: 32px;
}
.dl-meta-item {
  display: flex;
  align-items: center;
  gap: 8px;
}
.dl-specs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  max-width: 600px;
  margin: 32px auto 0;
  text-align: left;
  background: var(--bg-glass);
  padding: 24px;
  border-radius: 12px;
}
.dl-spec-lbl { font-size: 0.875rem; color: var(--text-muted); }
.dl-spec-val { font-weight: 600; }

/* Guide Steps */
.guide-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 24px;
}
.gstep {
  background: var(--bg-glass);
  border: 1px solid var(--border-glass);
  border-radius: 16px;
  padding: 32px 24px;
  text-align: center;
  position: relative;
}
.gstep-num {
  width: 40px;
  height: 40px;
  background: var(--accent-blue);
  color: #000;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.25rem;
  margin: 0 auto 20px;
}
.gstep-title {
  font-weight: 600;
  margin-bottom: 12px;
}
.gstep-desc {
  color: var(--text-muted);
  font-size: 0.875rem;
}

/* Timeline */
.ver-list {
  border-left: 2px solid var(--border-glass);
  margin-left: 20px;
  padding-left: 32px;
}
.ver-item {
  position: relative;
  margin-bottom: 40px;
}
.ver-dot {
  position: absolute;
  left: -41px;
  top: 0;
  width: 16px;
  height: 16px;
  background: var(--accent-orange);
  border-radius: 50%;
  border: 4px solid var(--bg-main);
}
.ver-tag {
  display: inline-block;
  padding: 4px 12px;
  background: rgba(255, 138, 0, 0.1);
  color: var(--accent-orange);
  border-radius: 100px;
  font-size: 0.875rem;
  margin-bottom: 8px;
}
.ver-date {
  color: var(--text-muted);
  font-size: 0.875rem;
  margin-left: 12px;
}

/* Article Layout */
.article-hero {
  padding: 80px 0;
  text-align: center;
}
.kw-strip {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-bottom: 32px;
}
.kw {
  padding: 6px 16px;
  background: var(--bg-surface);
  border: 1px solid var(--border-glass);
  border-radius: 100px;
  font-size: 0.875rem;
  color: var(--text-muted);
}
.article-layout {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 40px;
}
.article-body h2 {
  font-size: 2rem;
  margin: 40px 0 24px;
  color: var(--accent-blue);
}
.article-body h3 {
  font-size: 1.5rem;
  margin: 32px 0 16px;
}
.article-body p {
  color: var(--text-muted);
  margin-bottom: 24px;
  font-size: 1.125rem;
}
.article-body ul {
  list-style: disc;
  margin-left: 24px;
  margin-bottom: 24px;
  color: var(--text-muted);
  font-size: 1.125rem;
}
.article-body li { margin-bottom: 8px; }

/* Sidebar */
.sidebar {
  position: sticky;
  top: 100px;
}
.sbox {
  background: var(--bg-surface);
  border: 1px solid var(--border-glass);
  border-radius: 16px;
  padding: 24px;
  margin-bottom: 24px;
}
.sbox-title {
  font-weight: 600;
  margin-bottom: 16px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border-glass);
}
.sbox-links li {
  margin-bottom: 12px;
}
.sbox-links a {
  color: var(--text-muted);
  display: block;
}
.sbox-links a:hover {
  color: var(--accent-blue);
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--border-glass);
  padding: 60px 0 40px;
  margin-top: 80px;
  text-align: center;
}
.security-line {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(0, 225, 255, 0.1);
  color: var(--accent-blue);
  padding: 12px 24px;
  border-radius: 100px;
  margin-bottom: 24px;
  font-weight: 500;
}
.footer-note {
  color: var(--text-muted);
  font-size: 0.875rem;
}

@media (max-width: 992px) {
  .hero-title { font-size: 3rem; }
  .hero-stats { grid-template-columns: 1fr 1fr; }
  .plat-grid { grid-template-columns: 1fr 1fr; }
  .deep-row, .deep-row:nth-child(even) { flex-direction: column; text-align: center; }
  .article-layout { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  .navlist { display: none; }
  .hero-title { font-size: 2.5rem; }
  .dl-specs { grid-template-columns: 1fr; }
  .sec { padding: 60px 0; }
}