/* ============================================
   同人动漫 - 原创样式表
   品牌：同人动漫 | 域名：py23.cn
   同人动漫平台 + 视频社区
   ============================================ */

/* CSS Variables */
:root {
  --tx-primary: #FF2D55;
  --tx-primary-dark: #E0264B;
  --tx-secondary: #1A1A2E;
  --tx-accent: #FFB800;
  --tx-gradient: linear-gradient(135deg, #FF2D55, #FF6B6B);
  --tx-gradient-gold: linear-gradient(135deg, #FFB800, #FFD700);
  --tx-bg-dark: #0F0F1A;
  --tx-bg-card: #252540;
  --tx-bg-card-hover: #2E2E50;
  --tx-text-white: #FFFFFF;
  --tx-text-light: #E0E0E0;
  --tx-text-gray: #999999;
  --tx-text-muted: #666666;
  --tx-border: #333355;
  --tx-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
  --tx-shadow-hover: 0 8px 30px rgba(255, 45, 85, 0.2);
  --tx-radius: 12px;
  --tx-radius-sm: 8px;
  --tx-transition: all 0.3s ease;
  --tx-font: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
}

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

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

body {
  font-family: var(--tx-font);
  background-color: var(--tx-bg-dark);
  color: var(--tx-text-light);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--tx-primary);
  text-decoration: none;
  transition: var(--tx-transition);
}

a:hover {
  color: var(--tx-accent);
}

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

ul, ol {
  list-style: none;
}

h1, h2, h3, h4, h5, h6 {
  color: var(--tx-text-white);
  font-weight: 700;
  line-height: 1.3;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.section-padding {
  padding: 80px 0;
}

/* ============================================
   Header & Navigation
   ============================================ */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(15, 15, 26, 0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255, 45, 85, 0.15);
  transition: var(--tx-transition);
}

.site-header.scrolled {
  background: rgba(15, 15, 26, 0.98);
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.5);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.logo-link {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo-img {
  height: 42px;
  width: auto;
}

.logo-text {
  font-size: 1.4rem;
  font-weight: 800;
  background: var(--tx-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

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

.main-nav a {
  color: var(--tx-text-light);
  font-size: 0.92rem;
  padding: 8px 14px;
  border-radius: var(--tx-radius-sm);
  transition: var(--tx-transition);
  white-space: nowrap;
}

.main-nav a:hover,
.main-nav a.active {
  color: var(--tx-text-white);
  background: rgba(255, 45, 85, 0.15);
}

.mobile-menu-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 5px;
  background: none;
  border: none;
}

.mobile-menu-btn span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--tx-text-white);
  transition: var(--tx-transition);
  border-radius: 2px;
}

/* Search Bar */
.search-bar-wrap {
  background: var(--tx-secondary);
  padding: 12px 0;
  border-bottom: 1px solid var(--tx-border);
  margin-top: 70px;
}

.search-bar {
  display: flex;
  align-items: center;
  max-width: 600px;
  margin: 0 auto;
  background: var(--tx-bg-card);
  border-radius: 50px;
  padding: 4px 6px 4px 20px;
  border: 1px solid var(--tx-border);
  transition: var(--tx-transition);
}

.search-bar:focus-within {
  border-color: var(--tx-primary);
  box-shadow: 0 0 0 3px rgba(255, 45, 85, 0.15);
}

.search-bar input {
  flex: 1;
  background: none;
  border: none;
  color: var(--tx-text-white);
  font-size: 0.95rem;
  outline: none;
  padding: 8px 0;
}

.search-bar input::placeholder {
  color: var(--tx-text-gray);
}

.search-bar button {
  background: var(--tx-gradient);
  border: none;
  color: white;
  padding: 10px 24px;
  border-radius: 50px;
  cursor: pointer;
  font-size: 0.9rem;
  font-weight: 600;
  transition: var(--tx-transition);
}

.search-bar button:hover {
  transform: scale(1.05);
  box-shadow: 0 4px 15px rgba(255, 45, 85, 0.4);
}

/* ============================================
   Hero Banner
   ============================================ */
.hero-banner {
  position: relative;
  min-height: 600px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: var(--tx-secondary);
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.6;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(180deg, rgba(15,15,26,0.3) 0%, rgba(15,15,26,0.7) 60%, rgba(15,15,26,1) 100%);
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 40px 20px;
  max-width: 800px;
}

.hero-content h1 {
  font-size: 3rem;
  font-weight: 900;
  margin-bottom: 16px;
  text-shadow: 0 2px 20px rgba(0,0,0,0.5);
}

.hero-content h1 .brand-highlight {
  background: var(--tx-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-content .hero-subtitle {
  font-size: 1.2rem;
  color: var(--tx-text-light);
  margin-bottom: 30px;
  line-height: 1.8;
}

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

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--tx-gradient);
  color: white;
  padding: 14px 32px;
  border-radius: 50px;
  font-size: 1rem;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: var(--tx-transition);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(255, 45, 85, 0.4);
  color: white;
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  color: var(--tx-text-white);
  padding: 14px 32px;
  border-radius: 50px;
  font-size: 1rem;
  font-weight: 600;
  border: 2px solid rgba(255, 255, 255, 0.3);
  cursor: pointer;
  transition: var(--tx-transition);
}

.btn-outline:hover {
  border-color: var(--tx-primary);
  background: rgba(255, 45, 85, 0.1);
  color: white;
}

/* ============================================
   Section Titles
   ============================================ */
.section-title {
  text-align: center;
  margin-bottom: 50px;
}

.section-title h2 {
  font-size: 2.2rem;
  margin-bottom: 12px;
}

.section-title .title-accent {
  color: var(--tx-primary);
}

.section-title p {
  color: var(--tx-text-gray);
  font-size: 1.05rem;
  max-width: 600px;
  margin: 0 auto;
}

.title-line {
  width: 60px;
  height: 3px;
  background: var(--tx-gradient);
  margin: 16px auto 0;
  border-radius: 3px;
}

/* ============================================
   Video Cards
   ============================================ */
.video-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 24px;
}

.video-card {
  background: var(--tx-bg-card);
  border-radius: var(--tx-radius);
  overflow: hidden;
  transition: var(--tx-transition);
  border: 1px solid transparent;
}

.video-card:hover {
  transform: translateY(-6px);
  border-color: rgba(255, 45, 85, 0.3);
  box-shadow: var(--tx-shadow-hover);
}

.video-thumb {
  position: relative;
  padding-top: 56.25%;
  overflow: hidden;
  cursor: pointer;
}

.video-thumb img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.video-card:hover .video-thumb img {
  transform: scale(1.08);
}

.play-btn-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.3);
  opacity: 0;
  transition: var(--tx-transition);
}

.video-card:hover .play-btn-overlay {
  opacity: 1;
}

.play-btn-circle {
  width: 64px;
  height: 64px;
  background: var(--tx-gradient);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(255, 45, 85, 0.5);
  transition: var(--tx-transition);
}

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

.play-btn-circle svg {
  width: 24px;
  height: 24px;
  fill: white;
  margin-left: 3px;
}

.video-duration {
  position: absolute;
  bottom: 8px;
  right: 8px;
  background: rgba(0, 0, 0, 0.8);
  color: white;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 0.8rem;
  font-weight: 600;
}

.video-info {
  padding: 16px;
}

.video-info h3 {
  font-size: 1.05rem;
  margin-bottom: 8px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.video-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  color: var(--tx-text-gray);
  font-size: 0.85rem;
}

.video-meta span {
  display: flex;
  align-items: center;
  gap: 4px;
}

.video-tags {
  display: flex;
  gap: 6px;
  margin-top: 10px;
  flex-wrap: wrap;
}

.video-tag {
  background: rgba(255, 45, 85, 0.12);
  color: var(--tx-primary);
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 0.78rem;
}

/* ============================================
   Feature Modules
   ============================================ */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 24px;
}

.feature-card {
  background: var(--tx-bg-card);
  border-radius: var(--tx-radius);
  padding: 30px 24px;
  text-align: center;
  transition: var(--tx-transition);
  border: 1px solid transparent;
}

.feature-card:hover {
  transform: translateY(-4px);
  border-color: rgba(255, 45, 85, 0.2);
  box-shadow: var(--tx-shadow-hover);
}

.feature-icon {
  width: 64px;
  height: 64px;
  background: var(--tx-gradient);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  font-size: 1.8rem;
}

.feature-card h3 {
  font-size: 1.15rem;
  margin-bottom: 10px;
}

.feature-card p {
  color: var(--tx-text-gray);
  font-size: 0.92rem;
  line-height: 1.6;
}

/* ============================================
   Expert Section
   ============================================ */
.expert-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 24px;
}

.expert-card {
  background: var(--tx-bg-card);
  border-radius: var(--tx-radius);
  padding: 30px 20px;
  text-align: center;
  transition: var(--tx-transition);
  border: 1px solid transparent;
}

.expert-card:hover {
  border-color: rgba(255, 184, 0, 0.3);
  box-shadow: 0 8px 30px rgba(255, 184, 0, 0.1);
}

.expert-avatar {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  object-fit: cover;
  margin: 0 auto 16px;
  border: 3px solid var(--tx-primary);
}

.expert-card h3 {
  font-size: 1.1rem;
  margin-bottom: 4px;
}

.expert-role {
  color: var(--tx-accent);
  font-size: 0.88rem;
  margin-bottom: 10px;
}

.expert-card p {
  color: var(--tx-text-gray);
  font-size: 0.88rem;
  line-height: 1.6;
  margin-bottom: 16px;
}

.expert-btns {
  display: flex;
  gap: 8px;
  justify-content: center;
}

.btn-sm {
  padding: 6px 16px;
  font-size: 0.82rem;
  border-radius: 20px;
  font-weight: 600;
  transition: var(--tx-transition);
  cursor: pointer;
}

.btn-sm-primary {
  background: var(--tx-gradient);
  color: white;
  border: none;
}

.btn-sm-outline {
  background: transparent;
  color: var(--tx-text-light);
  border: 1px solid var(--tx-border);
}

.btn-sm:hover {
  transform: translateY(-1px);
}

/* ============================================
   Reviews
   ============================================ */
.review-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}

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

.review-card:hover {
  border-color: rgba(255, 45, 85, 0.2);
}

.review-stars {
  color: var(--tx-accent);
  font-size: 1rem;
  margin-bottom: 12px;
}

.review-text {
  color: var(--tx-text-light);
  font-size: 0.95rem;
  line-height: 1.7;
  margin-bottom: 16px;
  font-style: italic;
}

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

.review-author-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--tx-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 700;
  font-size: 0.9rem;
}

.review-author-info strong {
  display: block;
  color: var(--tx-text-white);
  font-size: 0.9rem;
}

.review-author-info span {
  color: var(--tx-text-gray);
  font-size: 0.8rem;
}

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

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

.faq-item:hover {
  border-color: rgba(255, 45, 85, 0.3);
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 24px;
  cursor: pointer;
  font-weight: 600;
  color: var(--tx-text-white);
  font-size: 1rem;
  transition: var(--tx-transition);
}

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

.faq-arrow {
  transition: transform 0.3s ease;
  font-size: 1.2rem;
  color: var(--tx-primary);
}

.faq-item.active .faq-arrow {
  transform: rotate(180deg);
}

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

.faq-item.active .faq-answer {
  max-height: 300px;
}

.faq-answer-inner {
  padding: 0 24px 18px;
  color: var(--tx-text-gray);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* ============================================
   Partner Logos
   ============================================ */
.partner-logos {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 30px;
  align-items: center;
}

.partner-logo-item {
  background: var(--tx-bg-card);
  border-radius: var(--tx-radius-sm);
  padding: 20px 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 160px;
  transition: var(--tx-transition);
  border: 1px solid var(--tx-border);
}

.partner-logo-item:hover {
  border-color: var(--tx-primary);
  transform: translateY(-2px);
}

.partner-logo-item span {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--tx-text-gray);
}

/* ============================================
   Footer
   ============================================ */
.site-footer {
  background: var(--tx-secondary);
  border-top: 1px solid var(--tx-border);
  padding: 60px 0 30px;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 40px;
  margin-bottom: 40px;
}

.footer-col h4 {
  font-size: 1.1rem;
  margin-bottom: 16px;
  color: var(--tx-text-white);
}

.footer-col p,
.footer-col a {
  color: var(--tx-text-gray);
  font-size: 0.9rem;
  line-height: 2;
}

.footer-col a:hover {
  color: var(--tx-primary);
}

.footer-col ul li {
  margin-bottom: 4px;
}

.footer-qr-wrap {
  display: flex;
  gap: 20px;
}

.footer-qr {
  text-align: center;
}

.footer-qr img {
  width: 110px;
  height: 110px;
  border-radius: var(--tx-radius-sm);
  margin-bottom: 6px;
}

.footer-qr span {
  display: block;
  color: var(--tx-text-gray);
  font-size: 0.8rem;
}

.footer-bottom {
  border-top: 1px solid var(--tx-border);
  padding-top: 20px;
  text-align: center;
  color: var(--tx-text-muted);
  font-size: 0.85rem;
}

.footer-bottom a {
  color: var(--tx-text-gray);
}

/* Social Share */
.social-share {
  display: flex;
  gap: 10px;
  margin-top: 16px;
}

.social-share a {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--tx-bg-card);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--tx-text-gray);
  font-size: 0.9rem;
  transition: var(--tx-transition);
  border: 1px solid var(--tx-border);
}

.social-share a:hover {
  background: var(--tx-primary);
  color: white;
  border-color: var(--tx-primary);
}

/* ============================================
   Breadcrumb
   ============================================ */
.breadcrumb {
  padding: 16px 0;
  margin-top: 70px;
}

.breadcrumb-list {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.88rem;
  color: var(--tx-text-gray);
}

.breadcrumb-list a {
  color: var(--tx-text-gray);
}

.breadcrumb-list a:hover {
  color: var(--tx-primary);
}

.breadcrumb-sep {
  color: var(--tx-text-muted);
}

/* ============================================
   Inner Page Content
   ============================================ */
.page-hero {
  background: var(--tx-secondary);
  padding: 100px 0 60px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle at center, rgba(255, 45, 85, 0.08) 0%, transparent 60%);
}

.page-hero h1 {
  font-size: 2.5rem;
  position: relative;
  z-index: 1;
}

.page-hero p {
  color: var(--tx-text-gray);
  font-size: 1.1rem;
  margin-top: 12px;
  position: relative;
  z-index: 1;
}

.content-section {
  padding: 60px 0;
}

.content-section p {
  color: var(--tx-text-light);
  font-size: 1rem;
  line-height: 1.8;
  margin-bottom: 20px;
}

.content-section h2 {
  font-size: 1.8rem;
  margin-bottom: 20px;
}

.content-section h3 {
  font-size: 1.4rem;
  margin-bottom: 16px;
}

/* ============================================
   Contact Page
   ============================================ */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}

.contact-card {
  background: var(--tx-bg-card);
  border-radius: var(--tx-radius);
  padding: 30px;
  text-align: center;
  transition: var(--tx-transition);
  border: 1px solid transparent;
}

.contact-card:hover {
  border-color: rgba(255, 45, 85, 0.2);
}

.contact-icon {
  width: 56px;
  height: 56px;
  background: var(--tx-gradient);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  font-size: 1.5rem;
}

.contact-card h3 {
  font-size: 1.1rem;
  margin-bottom: 8px;
}

.contact-card p {
  color: var(--tx-text-gray);
  font-size: 0.92rem;
}

/* How-To Guide */
.howto-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
  counter-reset: step;
}

.howto-step {
  background: var(--tx-bg-card);
  border-radius: var(--tx-radius);
  padding: 30px 24px;
  position: relative;
  counter-increment: step;
  border: 1px solid var(--tx-border);
  transition: var(--tx-transition);
}

.howto-step:hover {
  border-color: var(--tx-primary);
}

.howto-step::before {
  content: counter(step);
  position: absolute;
  top: -12px;
  left: 24px;
  width: 32px;
  height: 32px;
  background: var(--tx-gradient);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 700;
  font-size: 0.9rem;
}

.howto-step h4 {
  margin-bottom: 8px;
  font-size: 1.05rem;
  margin-top: 8px;
}

.howto-step p {
  color: var(--tx-text-gray);
  font-size: 0.9rem;
  line-height: 1.6;
}

/* ============================================
   Lazy Loading
   ============================================ */
.lazy-img {
  opacity: 0;
  transition: opacity 0.5s ease;
}

.lazy-img.loaded {
  opacity: 1;
}

/* ============================================
   Animations
   ============================================ */
.fade-in {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* ============================================
   Responsive Design
   ============================================ */
@media (max-width: 1024px) {
  .hero-content h1 {
    font-size: 2.4rem;
  }

  .section-title h2 {
    font-size: 1.8rem;
  }
}

@media (max-width: 768px) {
  .main-nav {
    display: none;
    position: fixed;
    top: 70px;
    left: 0;
    width: 100%;
    background: rgba(15, 15, 26, 0.98);
    flex-direction: column;
    padding: 20px;
    gap: 4px;
    border-bottom: 1px solid var(--tx-border);
  }

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

  .main-nav a {
    padding: 12px 16px;
    font-size: 1rem;
  }

  .mobile-menu-btn {
    display: flex;
  }

  .hero-banner {
    min-height: 480px;
  }

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

  .hero-content .hero-subtitle {
    font-size: 1rem;
  }

  .section-padding {
    padding: 50px 0;
  }

  .section-title h2 {
    font-size: 1.5rem;
  }

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

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

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

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

  .page-hero {
    padding: 80px 0 40px;
  }

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

@media (max-width: 480px) {
  .feature-grid {
    grid-template-columns: 1fr;
  }

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

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

  .footer-qr-wrap {
    justify-content: center;
  }

  .hero-btns {
    flex-direction: column;
    align-items: center;
  }

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

/* ============================================
   Utility Classes
   ============================================ */
.text-center { text-align: center; }
.text-primary { color: var(--tx-primary); }
.text-accent { color: var(--tx-accent); }
.mt-20 { margin-top: 20px; }
.mb-20 { margin-bottom: 20px; }
.mt-40 { margin-top: 40px; }
.mb-40 { margin-bottom: 40px; }

/* MCP Service Frontend Placeholder */
.mcp-service-widget {
  background: var(--tx-bg-card);
  border-radius: var(--tx-radius);
  padding: 24px;
  text-align: center;
  border: 1px dashed var(--tx-border);
  margin-top: 20px;
}

.mcp-service-widget p {
  color: var(--tx-text-muted);
  font-size: 0.88rem;
}