/* ============================================
   麻将胡了电子棋牌 - 主样式表
   独特配色：深紫+金色+暗红 渐变风格
   ============================================ */

/* CSS Variables */
:root {
  --clr-primary: #6b21a8;
  --clr-primary-dark: #4c1d95;
  --clr-secondary: #f59e0b;
  --clr-accent: #dc2626;
  --clr-gold: #fbbf24;
  --clr-bg-dark: #0f0a1a;
  --clr-bg-card: #1a1029;
  --clr-bg-section: #140e22;
  --clr-text: #e8e0f0;
  --clr-text-muted: #a89bc2;
  --clr-border: #2d1f4e;
  --clr-success: #10b981;
  --font-heading: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --font-body: 'Noto Sans SC', 'PingFang SC', 'Hiragino Sans GB', sans-serif;
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --shadow-card: 0 8px 32px rgba(107, 33, 168, 0.18);
  --shadow-glow: 0 0 24px rgba(251, 191, 36, 0.25);
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset & Base */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

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

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

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

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

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.3;
  color: #fff;
}

/* ============ HEADER / NAV ============ */
.site-header {
  background: linear-gradient(135deg, var(--clr-primary-dark) 0%, var(--clr-bg-dark) 100%);
  border-bottom: 2px solid var(--clr-border);
  padding: 0;
  position: relative;
  z-index: 100;
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
}

.site-logo img {
  height: 48px;
  width: auto;
}

.nav-toggle {
  display: none;
  background: none;
  border: 2px solid var(--clr-secondary);
  color: var(--clr-secondary);
  font-size: 1.5rem;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  line-height: 1;
}

.main-nav ul {
  list-style: none;
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
}

.main-nav a {
  display: block;
  padding: 8px 14px;
  color: var(--clr-text);
  font-size: 0.9rem;
  font-weight: 500;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
  white-space: nowrap;
}

.main-nav a:hover,
.main-nav a.active {
  background: var(--clr-primary);
  color: #fff;
}

/* ============ HERO SECTION ============ */
.hero-section {
  position: relative;
  min-height: 520px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: linear-gradient(160deg, #1a0533 0%, #0f0a1a 40%, #1a0533 100%);
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.35;
  filter: blur(2px);
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(15,10,26,0.6) 0%, rgba(15,10,26,0.9) 100%);
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 60px 20px;
  max-width: 800px;
}

.hero-content h1 {
  font-size: 2.4rem;
  margin-bottom: 16px;
  background: linear-gradient(90deg, var(--clr-gold), #fff, var(--clr-gold));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: shimmer 3s ease-in-out infinite;
}

@keyframes shimmer {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.85; }
}

.hero-content p {
  font-size: 1.1rem;
  color: var(--clr-text-muted);
  margin-bottom: 28px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* CTA Buttons */
.cta-btn {
  display: inline-block;
  padding: 14px 36px;
  font-size: 1.05rem;
  font-weight: 700;
  border-radius: var(--radius-xl);
  border: none;
  cursor: pointer;
  transition: all var(--transition);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.cta-btn--primary {
  background: linear-gradient(135deg, var(--clr-secondary), #f97316);
  color: #1a0533;
  box-shadow: 0 4px 20px rgba(245, 158, 11, 0.4);
}

.cta-btn--primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 30px rgba(245, 158, 11, 0.6);
  color: #1a0533;
}

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

.cta-btn--outline:hover {
  background: var(--clr-gold);
  color: #1a0533;
}

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

/* ============ SECTION LAYOUT ============ */
.section {
  padding: 60px 16px;
}

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

.section__inner {
  max-width: 1100px;
  margin: 0 auto;
}

.section__title {
  font-size: 1.8rem;
  text-align: center;
  margin-bottom: 12px;
  color: #fff;
}

.section__title span {
  color: var(--clr-secondary);
}

.section__subtitle {
  text-align: center;
  color: var(--clr-text-muted);
  margin-bottom: 40px;
  font-size: 1rem;
}

/* ============ GAME CARDS GRID ============ */
.game-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 24px;
}

.game-card {
  background: var(--clr-bg-card);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition);
  position: relative;
}

.game-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-card);
  border-color: var(--clr-primary);
}

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

.game-card__body {
  padding: 18px;
}

.game-card__title {
  font-size: 1.1rem;
  margin-bottom: 8px;
}

.game-card__desc {
  font-size: 0.88rem;
  color: var(--clr-text-muted);
  margin-bottom: 14px;
}

.game-card__tag {
  display: inline-block;
  background: var(--clr-primary);
  color: #fff;
  font-size: 0.75rem;
  padding: 3px 10px;
  border-radius: 20px;
  margin-right: 6px;
}

.game-card__link {
  display: inline-block;
  margin-top: 10px;
  color: var(--clr-secondary);
  font-weight: 600;
  font-size: 0.9rem;
}

/* ============ TRY NOW / PLAY SECTION ============ */
.play-section {
  background: linear-gradient(135deg, var(--clr-primary-dark), #2d1b69);
  border-radius: var(--radius-lg);
  padding: 40px 24px;
  text-align: center;
  margin: 40px auto;
  max-width: 900px;
  box-shadow: var(--shadow-glow);
}

.play-section h2 {
  font-size: 1.6rem;
  margin-bottom: 16px;
}

.play-section p {
  color: var(--clr-text-muted);
  margin-bottom: 24px;
}

/* ============ VIDEO SECTION ============ */
.video-wrapper {
  position: relative;
  max-width: 720px;
  margin: 0 auto;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: #000;
  aspect-ratio: 16/9;
}

.video-wrapper video,
.video-wrapper iframe {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.video-play-btn {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 72px;
  height: 72px;
  background: rgba(245, 158, 11, 0.9);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition);
  z-index: 5;
  border: none;
}

.video-play-btn::after {
  content: '';
  display: block;
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 14px 0 14px 24px;
  border-color: transparent transparent transparent #1a0533;
  margin-left: 4px;
}

.video-play-btn:hover {
  transform: translate(-50%, -50%) scale(1.12);
  background: var(--clr-secondary);
}

/* ============ REGISTER SECTION ============ */
.register-box {
  background: var(--clr-bg-card);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  max-width: 480px;
  margin: 0 auto;
}

.register-box h3 {
  text-align: center;
  margin-bottom: 24px;
  font-size: 1.4rem;
}

.form-group {
  margin-bottom: 18px;
}

.form-group label {
  display: block;
  font-size: 0.88rem;
  color: var(--clr-text-muted);
  margin-bottom: 6px;
}

.form-group input,
.form-group select {
  width: 100%;
  padding: 12px 16px;
  background: var(--clr-bg-dark);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  color: var(--clr-text);
  font-size: 0.95rem;
  transition: border-color var(--transition);
}

.form-group input:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--clr-secondary);
}

.form-submit {
  width: 100%;
  padding: 14px;
  background: linear-gradient(135deg, var(--clr-secondary), #f97316);
  color: #1a0533;
  font-size: 1rem;
  font-weight: 700;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition);
}

.form-submit:hover {
  box-shadow: 0 4px 20px rgba(245, 158, 11, 0.5);
}

/* ============ REVIEWS ============ */
.review-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 20px;
}

.review-card {
  background: var(--clr-bg-card);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  padding: 24px;
  transition: all var(--transition);
}

.review-card:hover {
  border-color: var(--clr-primary);
}

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

.review-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--clr-primary), var(--clr-secondary));
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 700;
  font-size: 1.1rem;
  flex-shrink: 0;
}

.review-meta strong {
  display: block;
  font-size: 0.95rem;
}

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

.review-stars {
  color: var(--clr-gold);
  font-size: 0.9rem;
  margin-bottom: 10px;
  letter-spacing: 2px;
}

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

.review-date {
  font-size: 0.78rem;
  color: var(--clr-text-muted);
  margin-top: 10px;
  opacity: 0.7;
}

/* ============ FAQ ============ */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  margin-bottom: 12px;
  overflow: hidden;
  background: var(--clr-bg-card);
}

.faq-question {
  width: 100%;
  padding: 18px 20px;
  background: none;
  border: none;
  color: #fff;
  font-size: 1rem;
  font-weight: 600;
  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(107, 33, 168, 0.2);
}

.faq-question::after {
  content: '+';
  font-size: 1.4rem;
  color: var(--clr-secondary);
  transition: transform var(--transition);
  flex-shrink: 0;
  margin-left: 12px;
}

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

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

.faq-item.open .faq-answer {
  max-height: 600px;
}

.faq-answer__inner {
  padding: 0 20px 20px;
  color: var(--clr-text-muted);
  font-size: 0.92rem;
  line-height: 1.8;
}

/* ============ PAYMENT SECTION ============ */
.payment-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 20px;
}

.payment-card {
  background: var(--clr-bg-card);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  padding: 24px;
  text-align: center;
  transition: all var(--transition);
}

.payment-card:hover {
  border-color: var(--clr-secondary);
}

.payment-card img {
  height: 48px;
  margin: 0 auto 14px;
  object-fit: contain;
}

.payment-card h4 {
  font-size: 1rem;
  margin-bottom: 8px;
}

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

/* ============ LICENSE SECTION ============ */
.license-block {
  display: flex;
  gap: 30px;
  align-items: center;
  flex-wrap: wrap;
  background: var(--clr-bg-card);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  padding: 30px;
}

.license-badge {
  flex-shrink: 0;
}

.license-badge img {
  width: 120px;
  height: auto;
}

.license-info h3 {
  margin-bottom: 10px;
  font-size: 1.2rem;
}

.license-info p {
  color: var(--clr-text-muted);
  font-size: 0.92rem;
  margin-bottom: 8px;
}

/* ============ SUPPORT SECTION ============ */
.support-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 20px;
}

.support-card {
  background: var(--clr-bg-card);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  padding: 28px;
  text-align: center;
  transition: all var(--transition);
}

.support-card:hover {
  transform: translateY(-4px);
  border-color: var(--clr-primary);
}

.support-card img {
  width: 48px;
  height: 48px;
  margin: 0 auto 14px;
}

.support-card h4 {
  margin-bottom: 8px;
  font-size: 1rem;
}

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

/* ============ ABOUT SECTION ============ */
.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: start;
}

.about-text h3 {
  font-size: 1.3rem;
  margin-bottom: 16px;
  color: var(--clr-secondary);
}

.about-text p {
  color: var(--clr-text-muted);
  margin-bottom: 14px;
  font-size: 0.92rem;
}

.about-image {
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.about-image img {
  width: 100%;
  border-radius: var(--radius-lg);
}

/* ============ AUTHOR BOX (E-E-A-T) ============ */
.author-box {
  display: flex;
  gap: 20px;
  align-items: center;
  background: var(--clr-bg-card);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  padding: 24px;
  margin: 30px 0;
}

.author-avatar {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--clr-primary), var(--clr-accent));
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 1.8rem;
  font-weight: 700;
  flex-shrink: 0;
}

.author-info h4 {
  font-size: 1rem;
  margin-bottom: 4px;
}

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

/* ============ BREADCRUMB ============ */
.breadcrumb {
  padding: 14px 16px;
  max-width: 1100px;
  margin: 0 auto;
}

.breadcrumb ol {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  font-size: 0.85rem;
}

.breadcrumb li::after {
  content: '>';
  margin-left: 6px;
  color: var(--clr-text-muted);
}

.breadcrumb li:last-child::after {
  display: none;
}

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

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

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

/* ============ INNER PAGE CONTENT ============ */
.article-content {
  max-width: 800px;
  margin: 0 auto;
}

.article-content h1 {
  font-size: 2rem;
  margin-bottom: 20px;
  text-align: center;
}

.article-content h2 {
  font-size: 1.5rem;
  margin: 32px 0 16px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--clr-border);
}

.article-content h3 {
  font-size: 1.2rem;
  margin: 24px 0 12px;
  color: var(--clr-secondary);
}

.article-content p {
  margin-bottom: 16px;
  color: var(--clr-text-muted);
  font-size: 0.95rem;
}

.article-content ul,
.article-content ol {
  margin: 12px 0 20px 24px;
  color: var(--clr-text-muted);
}

.article-content li {
  margin-bottom: 8px;
  font-size: 0.92rem;
}

.article-content img {
  border-radius: var(--radius-md);
  margin: 20px 0;
  box-shadow: var(--shadow-card);
}

.info-table {
  width: 100%;
  border-collapse: collapse;
  margin: 20px 0;
  font-size: 0.9rem;
}

.info-table th,
.info-table td {
  padding: 12px 16px;
  border: 1px solid var(--clr-border);
  text-align: left;
}

.info-table th {
  background: var(--clr-primary-dark);
  color: #fff;
  font-weight: 600;
}

.info-table td {
  background: var(--clr-bg-card);
  color: var(--clr-text-muted);
}

/* ============ APP DOWNLOAD ============ */
.download-hero {
  text-align: center;
  padding: 60px 20px;
  background: linear-gradient(160deg, var(--clr-primary-dark), #2d1b69, var(--clr-bg-dark));
}

.download-hero h1 {
  font-size: 2rem;
  margin-bottom: 16px;
}

.download-hero p {
  color: var(--clr-text-muted);
  max-width: 600px;
  margin: 0 auto 30px;
}

.download-btns {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.download-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 28px;
  border-radius: var(--radius-xl);
  font-weight: 700;
  font-size: 1rem;
  transition: all var(--transition);
}

.download-btn--ios {
  background: #fff;
  color: #1a0533;
}

.download-btn--android {
  background: var(--clr-success);
  color: #fff;
}

.download-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 24px rgba(0,0,0,0.3);
}

.download-features {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 24px;
  margin-top: 40px;
}

.download-feature {
  background: var(--clr-bg-card);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  padding: 28px;
  text-align: center;
}

.download-feature h3 {
  font-size: 1.1rem;
  margin-bottom: 10px;
}

.download-feature p {
  font-size: 0.88rem;
  color: var(--clr-text-muted);
}

/* ============ FOOTER ============ */
.site-footer {
  background: linear-gradient(180deg, var(--clr-bg-section), #080512);
  border-top: 2px solid var(--clr-border);
  padding: 50px 16px 24px;
}

.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 30px;
  margin-bottom: 36px;
}

.footer-col h4 {
  font-size: 1rem;
  margin-bottom: 16px;
  color: var(--clr-secondary);
}

.footer-col ul {
  list-style: none;
}

.footer-col li {
  margin-bottom: 8px;
}

.footer-col a {
  color: var(--clr-text-muted);
  font-size: 0.88rem;
  transition: color var(--transition);
}

.footer-col a:hover {
  color: var(--clr-secondary);
}

.footer-social {
  display: flex;
  gap: 12px;
  margin-top: 12px;
}

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

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

.footer-payment {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  align-items: center;
  margin-top: 12px;
}

.footer-payment img {
  height: 32px;
  object-fit: contain;
}

.footer-bottom {
  border-top: 1px solid var(--clr-border);
  padding-top: 20px;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}

.footer-bottom p {
  font-size: 0.82rem;
  color: var(--clr-text-muted);
}

.footer-age {
  display: flex;
  align-items: center;
  gap: 10px;
}

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

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

.footer-disclaimer {
  margin-top: 16px;
  padding: 16px;
  background: rgba(220, 38, 38, 0.08);
  border: 1px solid rgba(220, 38, 38, 0.2);
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  color: var(--clr-text-muted);
  line-height: 1.6;
}

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

  .main-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--clr-bg-dark);
    border-bottom: 2px solid var(--clr-border);
    padding: 12px;
    z-index: 99;
  }

  .main-nav.open { display: block; }

  .main-nav ul {
    flex-direction: column;
    gap: 0;
  }

  .main-nav a {
    padding: 12px 16px;
    border-bottom: 1px solid var(--clr-border);
  }

  .hero-content h1 { font-size: 1.6rem; }
  .hero-section { min-height: 400px; }

  .about-content { grid-template-columns: 1fr; }

  .section__title { font-size: 1.4rem; }

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

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

  .footer-bottom { flex-direction: column; text-align: center; }

  .game-grid { grid-template-columns: 1fr 1fr; gap: 12px; }

  .game-card__body { padding: 12px; }

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

@media (max-width: 480px) {
  .game-grid { grid-template-columns: 1fr; }
  .hero-btns { flex-direction: column; align-items: center; }
  .download-btns { flex-direction: column; align-items: center; }
}

/* ============ ANIMATIONS ============ */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============ RESPONSIBLE GAMING ============ */
.responsible-box {
  background: linear-gradient(135deg, rgba(220, 38, 38, 0.1), rgba(220, 38, 38, 0.05));
  border: 1px solid rgba(220, 38, 38, 0.3);
  border-radius: var(--radius-lg);
  padding: 30px;
}

.responsible-box h3 {
  color: var(--clr-accent);
  margin-bottom: 16px;
}

.responsible-box ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.responsible-box li {
  padding: 8px 0;
  color: var(--clr-text-muted);
  font-size: 0.92rem;
  padding-left: 24px;
  position: relative;
}

.responsible-box li::before {
  content: '⚠';
  position: absolute;
  left: 0;
}

/* ============ ACTIVITY SECTION ============ */
.activity-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}

.activity-card {
  background: linear-gradient(135deg, var(--clr-bg-card), rgba(107, 33, 168, 0.15));
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  padding: 24px;
  transition: all var(--transition);
}

.activity-card:hover {
  border-color: var(--clr-gold);
  box-shadow: var(--shadow-glow);
}

.activity-card h4 {
  color: var(--clr-gold);
  margin-bottom: 10px;
  font-size: 1.05rem;
}

.activity-card p {
  font-size: 0.88rem;
  color: var(--clr-text-muted);
}

.activity-tag {
  display: inline-block;
  background: var(--clr-accent);
  color: #fff;
  font-size: 0.72rem;
  padding: 2px 8px;
  border-radius: 10px;
  margin-bottom: 8px;
}

/* ============ INNER PAGE PLAY DEMO ============ */
.demo-container {
  background: var(--clr-bg-card);
  border: 2px solid var(--clr-border);
  border-radius: var(--radius-lg);
  padding: 40px;
  text-align: center;
  min-height: 300px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.demo-container h3 {
  margin-bottom: 16px;
}

.demo-container p {
  color: var(--clr-text-muted);
  margin-bottom: 24px;
}