:root {
  --bg-dark: #0f111a;
  --bg-card: #1a1d2e;
  --bg-card-hover: #22263c;
  --text-main: #f2f3f7;
  --text-muted: #9aa0b5;
  --accent: #ff4d6d;
  --accent-hover: #ff6b86;
  --gradient-main: linear-gradient(135deg, #ff4d6d, #a855f7);
  --gradient-sub: linear-gradient(135deg, #1a1d2e, #2a2e45);
  --border-color: rgba(255, 255, 255, 0.08);
  --radius-lg: 20px;
  --radius-md: 12px;
  --radius-sm: 8px;
}
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background-color: var(--bg-dark);
  color: var(--text-main);
  line-height: 1.6;
  overflow-x: hidden;
}
a {
  text-decoration: none;
  color: inherit;
}
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background: rgba(15, 17, 26, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 100;
  border-bottom: 1px solid var(--border-color);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
}
.brand img {
  height: 32px;
  border-radius: 6px;
}
.brand span {
  font-size: 1.2rem;
  font-weight: 700;
  background: var(--gradient-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
nav {
  display: none;
}
.nav-links {
  display: flex;
  gap: 24px;
  list-style: none;
}
.nav-links a {
  font-size: 0.9rem;
  color: var(--text-muted);
  transition: color 0.3s;
}
.nav-links a:hover {
  color: var(--accent);
}
.mobile-menu-btn {
  display: block;
  background: none;
  border: none;
  color: var(--text-main);
  font-size: 1.5rem;
  cursor: pointer;
}
.hero {
  padding: 120px 0 80px;
  text-align: center;
  background: radial-gradient(circle at top, rgba(255, 77, 109, 0.15) 0%, transparent 60%);
}
.hero h1 {
  font-size: 2.2rem;
  line-height: 1.3;
  margin-bottom: 20px;
}
.hero h1 span {
  background: var(--gradient-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero p {
  color: var(--text-muted);
  font-size: 1.1rem;
  max-width: 600px;
  margin: 0 auto 40px;
}
.btn-group {
  display: flex;
  flex-direction: column;
  gap: 15px;
  align-items: center;
  justify-content: center;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 30px;
  font-size: 1rem;
  font-weight: 600;
  transition: all 0.3s ease;
  width: 100%;
  max-width: 280px;
}
.btn-primary {
  background: var(--gradient-main);
  color: #fff;
  box-shadow: 0 4px 15px rgba(255, 77, 109, 0.3);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(255, 77, 109, 0.5);
}
.btn-secondary {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-main);
}
.btn-secondary:hover {
  background: var(--bg-card-hover);
}
.section-title {
  text-align: center;
  margin-bottom: 40px;
}
.section-title h2 {
  font-size: 1.8rem;
  margin-bottom: 10px;
}
.section-title p {
  color: var(--text-muted);
  font-size: 0.95rem;
}
section {
  padding: 60px 0;
}
.grid-2 {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}
.grid-3 {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}
.card {
  background: var(--bg-card);
  border-radius: var(--radius-md);
  padding: 24px;
  border: 1px solid var(--border-color);
  transition: transform 0.3s, background 0.3s;
}
.card:hover {
  transform: translateY(-4px);
  background: var(--bg-card-hover);
}
.card h3 {
  font-size: 1.2rem;
  margin-bottom: 10px;
  color: var(--accent);
}
.card p {
  color: var(--text-muted);
  font-size: 0.9rem;
}
.poster-scroll {
  display: flex;
  gap: 16px;
  overflow-x: auto;
  padding-bottom: 20px;
  scrollbar-width: thin;
  scrollbar-color: var(--accent) var(--bg-dark);
}
.poster-scroll::-webkit-scrollbar {
  height: 6px;
}
.poster-scroll::-webkit-scrollbar-thumb {
  background: var(--accent);
  border-radius: 3px;
}
.poster-card {
  flex: 0 0 200px;
  background: var(--bg-card);
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border-color);
}
.poster-card img {
  width: 100%;
  height: 280px;
  object-fit: cover;
  display: block;
}
.poster-info {
  padding: 12px;
}
.poster-info h3 {
  font-size: 1rem;
  margin-bottom: 8px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.poster-tags {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin-bottom: 8px;
}
.poster-tags span {
  font-size: 0.7rem;
  padding: 2px 6px;
  border-radius: 4px;
  background: rgba(255, 77, 109, 0.15);
  color: var(--accent);
}
.poster-date {
  font-size: 0.75rem;
  color: var(--text-muted);
}
.step-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.step-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  background: var(--bg-card);
  padding: 20px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
}
.step-num {
  background: var(--gradient-main);
  color: #fff;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
  flex-shrink: 0;
}
.step-content h3 {
  font-size: 1.1rem;
  margin-bottom: 6px;
}
.step-content p {
  color: var(--text-muted);
  font-size: 0.9rem;
}
.faq-item {
  background: var(--bg-card);
  border-radius: var(--radius-md);
  padding: 20px;
  margin-bottom: 12px;
  border: 1px solid var(--border-color);
}
.faq-item h3 {
  font-size: 1.05rem;
  margin-bottom: 8px;
  color: var(--text-main);
}
.faq-item p {
  color: var(--text-muted);
  font-size: 0.9rem;
}
.review-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}
.review-card {
  background: var(--gradient-sub);
  padding: 24px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
}
.review-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}
.avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--gradient-main);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
  color: #fff;
}
.review-name {
  font-size: 0.95rem;
  font-weight: 600;
}
.review-text {
  font-size: 0.9rem;
  color: #d1d5db;
}
.tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
}
.tag-cloud span {
  background: var(--bg-card);
  padding: 8px 16px;
  border-radius: 20px;
  font-size: 0.9rem;
  border: 1px solid var(--border-color);
  color: var(--text-muted);
}
.tag-cloud span.active {
  background: var(--gradient-main);
  color: #fff;
  border-color: transparent;
}
footer {
  border-top: 1px solid var(--border-color);
  padding: 40px 0;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.8rem;
}
footer p {
  margin-bottom: 8px;
}
footer a {
  color: var(--text-muted);
  text-decoration: underline;
}
footer a:hover {
  color: var(--accent);
}
@media (min-width: 768px) {
  .hero h1 { font-size: 2.8rem; }
  .btn-group { flex-direction: row; }
  .btn { width: auto; }
  nav { display: block; }
  .mobile-menu-btn { display: none; }
  .grid-2 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .poster-card { flex: 0 0 220px; }
  .poster-card img { height: 320px; }
  .review-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1024px) {
  .hero h1 { font-size: 3.2rem; }
  .grid-3 { grid-template-columns: repeat(3, 1fr); }
  .poster-scroll { flex-wrap: wrap; overflow-x: visible; }
  .poster-card { flex: 0 0 calc(20% - 13px); }
  .poster-card img { height: 300px; }
  .review-grid { grid-template-columns: repeat(3, 1fr); }
}