/* ============================================
   Global Reset & Variables
   ============================================ */
:root {
  --clr-primary: #1a0a3e;
  --clr-secondary: #2d1b69;
  --clr-accent: #e8c547;
  --clr-accent-hover: #f5d76e;
  --clr-danger: #c8321e;
  --clr-danger-hover: #e03d26;
  --clr-surface: #0f0825;
  --clr-surface-alt: #1c0f42;
  --clr-text: #e8e6f0;
  --clr-text-muted: #a8a2c0;
  --clr-border: rgba(232,197,71,0.15);
  --clr-card-bg: rgba(28,15,66,0.85);
  --clr-overlay: rgba(10,5,30,0.7);
  --font-heading: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --font-body: 'Noto Sans SC', 'PingFang SC', 'Helvetica Neue', sans-serif;
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --shadow-card: 0 4px 24px rgba(0,0,0,0.35);
  --shadow-glow: 0 0 20px rgba(232,197,71,0.15);
  --max-w: 1200px;
  --transition: 0.3s cubic-bezier(0.4,0,0.2,1);
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  background: var(--clr-surface);
  color: var(--clr-text);
  line-height: 1.75;
  overflow-x: hidden;
  min-height: 100vh;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--clr-accent);
  text-decoration: none;
  transition: color var(--transition);
}
a:hover { color: var(--clr-accent-hover); }

ul, ol { list-style: none; }

/* ============================================
   Typography
   ============================================ */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.3;
  color: var(--clr-accent);
}

h1 { font-size: clamp(1.8rem, 4vw, 2.8rem); margin-bottom: 1rem; }
h2 { font-size: clamp(1.4rem, 3vw, 2.2rem); margin-bottom: 0.8rem; }
h3 { font-size: clamp(1.1rem, 2.5vw, 1.6rem); margin-bottom: 0.6rem; }

p { margin-bottom: 1rem; color: var(--clr-text); }

/* ============================================
   Layout Utilities
   ============================================ */
.container {
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 1rem;
}

.section-wrap {
  padding: 3rem 0;
}

.section-wrap:nth-child(even) {
  background: var(--clr-surface-alt);
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1.5rem;
}

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

.flex-between {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* ============================================
   Navigation (Non-Sticky)
   ============================================ */
.site-nav {
  background: linear-gradient(135deg, var(--clr-primary), var(--clr-secondary));
  border-bottom: 2px solid var(--clr-border);
  padding: 0;
  position: relative;
  z-index: 100;
}

.nav-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0.8rem 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.nav-logo img {
  height: 40px;
  width: auto;
}

.nav-logo span {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--clr-accent);
}

.nav-toggle {
  display: none;
  background: none;
  border: 2px solid var(--clr-accent);
  color: var(--clr-accent);
  font-size: 1.5rem;
  padding: 0.3rem 0.6rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  line-height: 1;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 0;
  flex-wrap: wrap;
}

.nav-menu a {
  display: block;
  padding: 0.6rem 0.9rem;
  color: var(--clr-text);
  font-size: 0.9rem;
  font-weight: 500;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
  white-space: nowrap;
}

.nav-menu a:hover,
.nav-menu a.active {
  color: var(--clr-accent);
  background: rgba(232,197,71,0.08);
}

.nav-cta {
  display: inline-block;
  padding: 0.5rem 1.2rem;
  background: var(--clr-danger);
  color: #fff !important;
  border-radius: var(--radius-md);
  font-weight: 700;
  font-size: 0.9rem;
  transition: all var(--transition);
}

.nav-cta:hover {
  background: var(--clr-danger-hover);
  transform: translateY(-1px);
  box-shadow: 0 4px 15px rgba(200,50,30,0.4);
}

/* ============================================
   Hero Section
   ============================================ */
.hero-section {
  position: relative;
  overflow: hidden;
  background: linear-gradient(160deg, var(--clr-primary) 0%, #0a0520 100%);
}

.hero-bg {
  width: 100%;
  height: auto;
  min-height: 300px;
  object-fit: cover;
  opacity: 0.6;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, rgba(10,5,30,0.3), rgba(10,5,30,0.8));
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-content {
  text-align: center;
  padding: 2rem 1rem;
  max-width: 700px;
}

.hero-content h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  text-shadow: 0 2px 20px rgba(232,197,71,0.3);
  margin-bottom: 0.8rem;
}

.hero-content p {
  font-size: clamp(1rem, 2vw, 1.3rem);
  color: var(--clr-text-muted);
  margin-bottom: 1.5rem;
}

.hero-cta {
  display: inline-block;
  padding: 0.9rem 2.5rem;
  background: linear-gradient(135deg, var(--clr-danger), #e04020);
  color: #fff;
  font-size: 1.1rem;
  font-weight: 700;
  border-radius: var(--radius-lg);
  box-shadow: 0 4px 20px rgba(200,50,30,0.4);
  transition: all var(--transition);
}

.hero-cta:hover {
  transform: translateY(-2px) scale(1.03);
  box-shadow: 0 8px 30px rgba(200,50,30,0.5);
  color: #fff;
}

/* ============================================
   Video Section
   ============================================ */
.video-section {
  background: var(--clr-surface-alt);
}

.video-wrapper {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  cursor: pointer;
}

.video-wrapper video {
  width: 100%;
  display: block;
  background: #000;
}

.video-poster-wrap {
  position: relative;
}

.video-poster-wrap img {
  width: 100%;
  display: block;
}

.play-btn-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0,0,0,0.35);
  transition: background var(--transition);
}

.play-btn-overlay:hover {
  background: rgba(0,0,0,0.2);
}

.play-btn-circle {
  width: 80px;
  height: 80px;
  background: rgba(200,50,30,0.9);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 30px rgba(200,50,30,0.5);
  transition: transform var(--transition);
}

.play-btn-overlay:hover .play-btn-circle {
  transform: scale(1.1);
}

.play-btn-circle::after {
  content: '';
  display: block;
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 14px 0 14px 24px;
  border-color: transparent transparent transparent #fff;
  margin-left: 4px;
}

/* ============================================
   Cards
   ============================================ */
.card {
  background: var(--clr-card-bg);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: all var(--transition);
  box-shadow: var(--shadow-card);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow), var(--shadow-card);
  border-color: rgba(232,197,71,0.3);
}

.card-img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
}

.card-body {
  padding: 1.2rem;
}

.card-body h3 {
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
}

.card-body p {
  font-size: 0.9rem;
  color: var(--clr-text-muted);
  margin-bottom: 0.8rem;
}

.card-tag {
  display: inline-block;
  padding: 0.2rem 0.6rem;
  background: rgba(232,197,71,0.12);
  color: var(--clr-accent);
  font-size: 0.75rem;
  border-radius: 999px;
  margin-right: 0.3rem;
}

.card-cta {
  display: inline-block;
  padding: 0.5rem 1.2rem;
  background: var(--clr-danger);
  color: #fff;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.85rem;
  margin-top: 0.5rem;
  transition: all var(--transition);
}

.card-cta:hover {
  background: var(--clr-danger-hover);
  color: #fff;
}

/* ============================================
   Review Cards
   ============================================ */
.review-card {
  background: var(--clr-card-bg);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  box-shadow: var(--shadow-card);
}

.review-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
}

.review-avatar {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--clr-accent);
}

.review-meta h4 {
  color: var(--clr-text);
  font-size: 1rem;
  margin-bottom: 0.1rem;
}

.review-meta .review-location {
  font-size: 0.8rem;
  color: var(--clr-text-muted);
}

.review-stars {
  height: 20px;
  margin-bottom: 0.5rem;
}

.review-text {
  font-size: 0.9rem;
  color: var(--clr-text);
  line-height: 1.7;
}

.review-date {
  font-size: 0.75rem;
  color: var(--clr-text-muted);
  margin-top: 0.8rem;
}

/* ============================================
   FAQ Accordion
   ============================================ */
.faq-item {
  background: var(--clr-card-bg);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  margin-bottom: 0.8rem;
  overflow: hidden;
}

.faq-question {
  width: 100%;
  background: none;
  border: none;
  color: var(--clr-text);
  font-size: 1rem;
  font-weight: 600;
  padding: 1.2rem 1.5rem;
  text-align: left;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: background var(--transition);
  font-family: var(--font-body);
}

.faq-question:hover {
  background: rgba(232,197,71,0.05);
}

.faq-question::after {
  content: '+';
  font-size: 1.4rem;
  color: var(--clr-accent);
  transition: transform var(--transition);
  flex-shrink: 0;
  margin-left: 1rem;
}

.faq-item.open .faq-question::after {
  content: '−';
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.3s ease;
}

.faq-item.open .faq-answer {
  max-height: 500px;
  padding: 0 1.5rem 1.2rem;
}

.faq-answer p {
  color: var(--clr-text-muted);
  font-size: 0.95rem;
  line-height: 1.8;
}

/* ============================================
   Payment Section
   ============================================ */
.payment-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 1rem;
}

.payment-item {
  background: var(--clr-card-bg);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  padding: 1rem;
  text-align: center;
  transition: all var(--transition);
}

.payment-item:hover {
  border-color: var(--clr-accent);
  box-shadow: var(--shadow-glow);
}

.payment-item img {
  margin: 0 auto 0.5rem;
  height: 50px;
  width: auto;
}

.payment-item span {
  font-size: 0.8rem;
  color: var(--clr-text-muted);
}

/* ============================================
   License Section
   ============================================ */
.license-wrap {
  display: flex;
  align-items: center;
  gap: 2rem;
  flex-wrap: wrap;
}

.license-badge {
  width: 180px;
  height: auto;
  flex-shrink: 0;
}

.license-info h3 {
  margin-bottom: 0.5rem;
}

.license-info p {
  color: var(--clr-text-muted);
  font-size: 0.95rem;
}

/* ============================================
   Author Box
   ============================================ */
.author-box {
  display: flex;
  gap: 1.5rem;
  background: var(--clr-card-bg);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  align-items: flex-start;
}

.author-box img {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  border: 3px solid var(--clr-accent);
  flex-shrink: 0;
}

.author-info h4 {
  color: var(--clr-accent);
  margin-bottom: 0.3rem;
}

.author-info .author-title {
  font-size: 0.85rem;
  color: var(--clr-text-muted);
  margin-bottom: 0.5rem;
}

.author-info p {
  font-size: 0.9rem;
}

/* ============================================
   Breadcrumb
   ============================================ */
.breadcrumb {
  padding: 0.8rem 0;
  font-size: 0.85rem;
}

.breadcrumb a {
  color: var(--clr-text-muted);
}

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

.breadcrumb span {
  color: var(--clr-text-muted);
  margin: 0 0.4rem;
}

.breadcrumb .current {
  color: var(--clr-accent);
}

/* ============================================
   Support Section
   ============================================ */
.support-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1.5rem;
}

.support-card {
  background: var(--clr-card-bg);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  text-align: center;
  transition: all var(--transition);
}

.support-card:hover {
  border-color: var(--clr-accent);
  transform: translateY(-2px);
}

.support-card img {
  width: 50px;
  height: 50px;
  margin: 0 auto 1rem;
}

.support-card h4 {
  color: var(--clr-text);
  margin-bottom: 0.5rem;
}

.support-card p {
  font-size: 0.85rem;
  color: var(--clr-text-muted);
}

/* ============================================
   Promo Banner
   ============================================ */
.promo-banner {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
}

.promo-banner img {
  width: 100%;
  height: auto;
}

/* ============================================
   Table Styles
   ============================================ */
.data-table {
  width: 100%;
  border-collapse: collapse;
  margin: 1rem 0;
  font-size: 0.9rem;
}

.data-table th {
  background: var(--clr-secondary);
  color: var(--clr-accent);
  padding: 0.8rem 1rem;
  text-align: left;
  font-weight: 600;
}

.data-table td {
  padding: 0.7rem 1rem;
  border-bottom: 1px solid var(--clr-border);
  color: var(--clr-text);
}

.data-table tr:hover td {
  background: rgba(232,197,71,0.04);
}

/* ============================================
   Footer
   ============================================ */
.site-footer {
  background: linear-gradient(180deg, var(--clr-primary), #050215);
  border-top: 2px solid var(--clr-border);
  padding: 3rem 0 1.5rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer-col h4 {
  color: var(--clr-accent);
  font-size: 1rem;
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--clr-border);
}

.footer-col a {
  display: block;
  color: var(--clr-text-muted);
  font-size: 0.85rem;
  padding: 0.3rem 0;
  transition: color var(--transition);
}

.footer-col a:hover {
  color: var(--clr-accent);
  padding-left: 0.3rem;
}

.footer-col p {
  font-size: 0.85rem;
  color: var(--clr-text-muted);
}

.footer-social {
  display: flex;
  gap: 0.8rem;
  margin-top: 0.5rem;
}

.footer-social img {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  transition: transform var(--transition);
}

.footer-social img:hover {
  transform: scale(1.15);
}

.footer-payment {
  display: flex;
  gap: 0.8rem;
  flex-wrap: wrap;
  margin-top: 0.5rem;
}

.footer-payment img {
  height: 35px;
  width: auto;
  border-radius: var(--radius-sm);
}

.footer-bottom {
  border-top: 1px solid var(--clr-border);
  padding-top: 1.5rem;
  text-align: center;
}

.footer-bottom p {
  font-size: 0.8rem;
  color: var(--clr-text-muted);
  margin-bottom: 0.5rem;
}

.footer-badges {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.5rem;
  margin-top: 1rem;
}

.footer-badges img {
  height: 40px;
  width: auto;
}

/* ============================================
   Disclaimer
   ============================================ */
.disclaimer-bar {
  background: rgba(200,50,30,0.1);
  border: 1px solid rgba(200,50,30,0.2);
  border-radius: var(--radius-md);
  padding: 1.2rem 1.5rem;
  margin: 1.5rem 0;
}

.disclaimer-bar h4 {
  color: var(--clr-danger);
  margin-bottom: 0.5rem;
  font-size: 1rem;
}

.disclaimer-bar p {
  font-size: 0.85rem;
  color: var(--clr-text-muted);
  line-height: 1.7;
}

/* ============================================
   App Download Page
   ============================================ */
.download-hero {
  text-align: center;
  padding: 3rem 1rem;
}

.download-hero img {
  max-width: 600px;
  margin: 0 auto 2rem;
  border-radius: var(--radius-lg);
}

.download-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  margin: 1.5rem 0;
}

.btn-download {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.8rem 2rem;
  border-radius: var(--radius-md);
  font-weight: 700;
  font-size: 1rem;
  transition: all var(--transition);
  color: #fff;
}

.btn-ios { background: linear-gradient(135deg, #1a1a2e, #333); }
.btn-android { background: linear-gradient(135deg, #1b5e20, #2e7d32); }

.btn-download:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0,0,0,0.4);
  color: #fff;
}

.qr-section {
  text-align: center;
  margin: 2rem 0;
}

.qr-section img {
  width: 180px;
  margin: 0 auto;
  border: 3px solid var(--clr-accent);
  border-radius: var(--radius-md);
}

/* ============================================
   Inner Page Content
   ============================================ */
.article-content {
  max-width: 900px;
  margin: 0 auto;
}

.article-content h2 {
  margin-top: 2rem;
}

.article-content p {
  text-indent: 2em;
  margin-bottom: 1.2rem;
}

.article-content .no-indent {
  text-indent: 0;
}

.article-img-wrap {
  margin: 1.5rem 0;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-card);
}

.article-img-wrap img {
  width: 100%;
}

.article-img-wrap figcaption {
  padding: 0.5rem 1rem;
  font-size: 0.8rem;
  color: var(--clr-text-muted);
  background: var(--clr-card-bg);
  text-align: center;
}

.info-box {
  background: var(--clr-card-bg);
  border-left: 4px solid var(--clr-accent);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  padding: 1.2rem 1.5rem;
  margin: 1.5rem 0;
}

.info-box h4 {
  color: var(--clr-accent);
  margin-bottom: 0.5rem;
}

.rtp-badge {
  display: inline-block;
  padding: 0.4rem 1rem;
  background: linear-gradient(135deg, var(--clr-accent), #d4a520);
  color: var(--clr-primary);
  font-weight: 700;
  border-radius: 999px;
  font-size: 0.9rem;
}

/* ============================================
   Animations
   ============================================ */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

.animate-in {
  animation: fadeInUp 0.6s ease forwards;
}

.gold-shimmer {
  background: linear-gradient(90deg, var(--clr-accent) 0%, #fff5b0 50%, var(--clr-accent) 100%);
  background-size: 200% 100%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: shimmer 3s linear infinite;
}

/* ============================================
   Responsive Design - Mobile First
   ============================================ */
@media (max-width: 768px) {
  .nav-toggle {
    display: block;
  }

  .nav-menu {
    display: none;
    width: 100%;
    flex-direction: column;
    padding-top: 0.5rem;
    border-top: 1px solid var(--clr-border);
    margin-top: 0.5rem;
  }

  .nav-menu.open {
    display: flex;
  }

  .nav-menu a {
    padding: 0.8rem 0.5rem;
    border-bottom: 1px solid rgba(255,255,255,0.05);
  }

  .grid-2, .grid-3 {
    grid-template-columns: 1fr;
  }

  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }

  .hero-content h1 {
    font-size: 1.8rem;
  }

  .section-wrap {
    padding: 2rem 0;
  }

  .license-wrap {
    flex-direction: column;
    text-align: center;
  }

  .author-box {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }

  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .download-buttons {
    flex-direction: column;
    align-items: center;
  }
}

@media (max-width: 480px) {
  html { font-size: 14px; }

  .grid-4 {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr;
  }

  .payment-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .container {
    padding: 0 0.8rem;
  }
}

@media (min-width: 1024px) {
  .container {
    padding: 0 2rem;
  }
}

/* ============================================
   Print Styles
   ============================================ */
@media print {
  .site-nav, .site-footer, .video-section { display: none; }
  body { color: #000; background: #fff; }
  a { color: #000; }
}