:root {
  --sky-blue: #c9e8f5;
  --sakura-pink: #ffd9e3;
  --bright-yellow: #fff3c4;
  --mint-green: #d4f0e0;
  --lavender: #e2d9f5;
  --text-dark: #2c2c2c;
  --text-light: #5a5a5a;
  --border-comic: #2c2c2c;
  --halftone: radial-gradient(circle, #2c2c2c 1px, transparent 1px);
  --font-main: 'Comic Sans MS', 'PingFang SC', 'Microsoft YaHei', sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-main);
  color: var(--text-dark);
  background-color: #fdfbf7;
  line-height: 1.6;
  overflow-x: hidden;
}

/* Typography */
h1, h2, h3 {
  line-height: 1.2;
}

h1 {
  font-size: 2.5rem;
  margin-bottom: 16px;
  color: #1a1a1a;
  text-shadow: 2px 2px 0px #fff, 4px 4px 0px var(--sakura-pink);
}

h2 {
  font-size: 2rem;
  text-align: center;
  margin-bottom: 32px;
  position: relative;
  display: inline-block;
  padding-bottom: 8px;
}

h2::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 10%;
  width: 80%;
  height: 6px;
  background: var(--text-dark);
  border-radius: 3px;
  transform: rotate(-1deg);
}

h3 {
  font-size: 1.4rem;
  margin-bottom: 12px;
}

p {
  margin-bottom: 16px;
  font-size: 1rem;
  color: var(--text-light);
}

a {
  text-decoration: none;
  color: inherit;
}

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

/* Halftone Background Utility */
.halftone-bg {
  background-image: var(--halftone);
  background-size: 8px 8px;
  background-color: transparent;
}

/* Comic Panel Borders */
.comic-border {
  border: 3px solid var(--border-comic);
  border-radius: 4px;
  box-shadow: 4px 4px 0px var(--border-comic);
  background-color: #fff;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

/* Header */
.site-header {
  background: #fff;
  border-bottom: 3px solid var(--border-comic);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 20px;
  max-width: 1200px;
  margin: 0 auto;
}

.logo-area {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 1.5rem;
  font-weight: bold;
}

.logo-area img {
  height: 36px;
  width: auto;
  display: block;
}

.main-nav {
  display: none;
}

.main-nav ul {
  list-style: none;
  display: flex;
  gap: 16px;
}

.main-nav a {
  font-size: 0.95rem;
  font-weight: bold;
  padding: 6px 10px;
  border-radius: 20px;
  transition: background 0.2s;
}

.main-nav a:hover {
  background: var(--sakura-pink);
}

.mobile-menu-btn {
  display: block;
  background: none;
  border: 2px solid var(--border-comic);
  border-radius: 4px;
  padding: 6px 10px;
  font-size: 1.2rem;
  cursor: pointer;
  font-weight: bold;
}

/* Hero Section */
.hero {
  position: relative;
  background-color: var(--sky-blue);
  padding: 60px 0 80px;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background-image: var(--halftone);
  background-size: 12px 12px;
  opacity: 0.25;
  z-index: 0;
}

.hero::after {
  content: '';
  position: absolute;
  top: -50%; left: -50%;
  width: 200%; height: 200%;
  background: repeating-linear-gradient(
    45deg,
    transparent,
    transparent 20px,
    rgba(255,255,255,0.4) 20px,
    rgba(255,255,255,0.4) 40px
  );
  transform: rotate(-5deg);
  z-index: 0;
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: 30px;
}

.hero-text {
  max-width: 600px;
}

.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
}

.badge {
  background: #fff;
  border: 2px solid var(--border-comic);
  border-radius: 20px;
  padding: 4px 12px;
  font-size: 0.85rem;
  font-weight: bold;
  box-shadow: 2px 2px 0px var(--border-comic);
}

.download-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 30px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  font-size: 1.1rem;
  font-weight: bold;
  border: 3px solid var(--border-comic);
  border-radius: 8px;
  cursor: pointer;
  box-shadow: 4px 4px 0px var(--border-comic);
  transition: transform 0.1s, box-shadow 0.1s;
  font-family: inherit;
  text-align: center;
}

.btn:hover {
  transform: translate(2px, 2px);
  box-shadow: 2px 2px 0px var(--border-comic);
}

.btn-android {
  background: var(--mint-green);
  color: var(--text-dark);
}

.btn-ios {
  background: var(--sakura-pink);
  color: var(--text-dark);
}

.btn-other {
  background: var(--bright-yellow);
  color: var(--text-dark);
}

.hero-carousel {
  position: relative;
  display: flex;
  gap: 16px;
  overflow: hidden;
  padding: 10px;
  background: #fff;
  border: 3px solid var(--border-comic);
  border-radius: 8px;
  box-shadow: 4px 4px 0px var(--border-comic);
  height: 280px;
}

.carousel-track {
  display: flex;
  gap: 16px;
  animation: scrollLeft 20s linear infinite;
}

.carousel-item {
  flex: 0 0 auto;
  width: 160px;
  height: 240px;
  border: 2px solid var(--border-comic);
  border-radius: 4px;
  overflow: hidden;
  background: #eee;
}

.carousel-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

@keyframes scrollLeft {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* Section Styles */
.section {
  padding: 60px 0;
  position: relative;
}

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

.title-wrap {
  text-align: center;
  margin-bottom: 40px;
}

/* Today Update - Comic Panel Wall */
.today-update {
  background-color: var(--sakura-pink);
}
.today-update::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background-image: var(--halftone);
  background-size: 10px 10px;
  opacity: 0.2;
  pointer-events: none;
}

.panel-wall {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  position: relative;
  z-index: 1;
}

.panel-card {
  position: relative;
  overflow: hidden;
  aspect-ratio: 3 / 4;
}

.panel-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.panel-card:hover {
  transform: scale(1.02);
  box-shadow: 6px 6px 0px var(--border-comic);
}

.panel-tag {
  position: absolute;
  top: 10px;
  right: 10px;
  background: var(--bright-yellow);
  border: 2px solid var(--border-comic);
  border-radius: 4px;
  padding: 2px 8px;
  font-weight: bold;
  font-size: 0.9rem;
  transform: rotate(5deg);
  opacity: 0;
  transition: opacity 0.2s, transform 0.2s;
}

.panel-card:hover .panel-tag {
  opacity: 1;
  transform: rotate(0deg) scale(1.1);
}

/* Popular Recommendation - Timeline */
.popular-rec {
  background-color: var(--bright-yellow);
}
.popular-rec::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background-image: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(0,0,0,0.03) 2px,
    rgba(0,0,0,0.03) 4px
  );
  pointer-events: none;
}

.timeline {
  position: relative;
  max-width: 900px;
  margin: 0 auto;
  padding: 20px 0;
}

.timeline::before {
  content: '';
  position: absolute;
  top: 0; bottom: 0;
  left: 50%;
  width: 4px;
  background: var(--border-comic);
  transform: translateX(-50%);
  border-radius: 2px;
}

.timeline-item {
  position: relative;
  width: 100%;
  display: flex;
  margin-bottom: 40px;
}

.timeline-item:nth-child(odd) {
  flex-direction: row-reverse;
}

.timeline-content {
  width: calc(50% - 30px);
  padding: 20px;
  background: #fff;
}

.timeline-date {
  position: absolute;
  top: 20px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--sakura-pink);
  border: 2px solid var(--border-comic);
  border-radius: 50%;
  width: 60px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  font-weight: bold;
  text-align: center;
  z-index: 2;
}

.timeline-img {
  width: 100%;
  max-height: 250px;
  object-fit: cover;
  border: 2px solid var(--border-comic);
  border-radius: 4px;
  margin-bottom: 12px;
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 8px;
}

.tag {
  background: var(--lavender);
  border: 1px solid var(--border-comic);
  border-radius: 4px;
  padding: 2px 8px;
  font-size: 0.75rem;
}

/* Cloud Transfer Belt */
.transfer-belt {
  background-color: var(--mint-green);
}
.belt-layout {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 30px;
  position: relative;
}

.belt-device {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  text-align: center;
}

.belt-device img {
  width: 100%;
  max-width: 200px;
  height: auto;
  border: 3px solid var(--border-comic);
  border-radius: 10px;
  box-shadow: 4px 4px 0px var(--border-comic);
}

.belt-connector {
  width: 100%;
  max-width: 300px;
  height: 40px;
  border-top: 4px dashed var(--border-comic);
  position: relative;
}

.belt-connector::after {
  content: '进度已同步';
  position: absolute;
  top: -20px;
  left: 50%;
  transform: translateX(-50%);
  background: #fff;
  border: 2px solid var(--border-comic);
  border-radius: 20px;
  padding: 2px 12px;
  font-size: 0.85rem;
  white-space: nowrap;
}

/* Danmaku Interaction - Chat Bubble Matrix */
.danmaku-section {
  background-color: var(--lavender);
}
.bubble-matrix {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  padding: 20px;
  background: #fff;
  border: 3px solid var(--border-comic);
  border-radius: 8px;
  box-shadow: 4px 4px 0px var(--border-comic);
}

.bubble {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 12px;
  border-radius: 16px;
  border: 2px solid var(--border-comic);
  background: var(--sky-blue);
  position: relative;
}

.bubble:nth-child(even) {
  background: var(--sakura-pink);
  flex-direction: row-reverse;
  text-align: right;
}

.bubble-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 2px solid var(--border-comic);
  object-fit: cover;
  flex-shrink: 0;
}

.bubble-content {
  flex: 1;
}

.bubble-name {
  font-size: 0.8rem;
  font-weight: bold;
  margin-bottom: 4px;
  color: var(--text-dark);
}

.bubble-text {
  font-size: 0.95rem;
  color: var(--text-dark);
}

/* FAQ - Accordion */
.faq-section {
  background-color: #fdfbf7;
}
.faq-list {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-item {
  border: 3px solid var(--border-comic);
  border-radius: 8px;
  overflow: hidden;
  background: #fff;
  box-shadow: 4px 4px 0px var(--border-comic);
}

.faq-question {
  width: 100%;
  text-align: left;
  padding: 16px 20px;
  font-size: 1.1rem;
  font-weight: bold;
  background: var(--bright-yellow);
  border: none;
  border-bottom: 2px solid transparent;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: background 0.2s;
  font-family: inherit;
}

.faq-question:hover {
  background: #f0e6a0;
}

.faq-question[aria-expanded="true"] {
  border-bottom: 2px solid var(--border-comic);
}

.faq-icon {
  font-size: 1.2rem;
  transition: transform 0.3s;
}

.faq-question[aria-expanded="true"] .faq-icon {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease-out;
  padding: 0 20px;
  background: #fff;
}

.faq-answer p {
  padding: 16px 0;
  margin: 0;
}

/* Final Download */
.final-download {
  background-color: var(--sakura-pink);
  text-align: center;
  padding: 80px 20px;
  position: relative;
}
.final-download::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background-image: var(--halftone);
  background-size: 12px 12px;
  opacity: 0.15;
  pointer-events: none;
}

.final-download .section-inner {
  position: relative;
  z-index: 1;
}

.download-guide {
  max-width: 700px;
  margin: 0 auto 40px;
  background: #fff;
  padding: 20px;
  border: 3px solid var(--border-comic);
  border-radius: 8px;
  box-shadow: 4px 4px 0px var(--border-comic);
  text-align: left;
}

.download-guide h3 {
  margin-bottom: 12px;
}

.download-guide ul {
  list-style-type: disc;
  padding-left: 20px;
  color: var(--text-light);
}

.download-guide li {
  margin-bottom: 8px;
}

.final-buttons {
  display: flex;
  flex-direction: column;
  gap: 16px;
  align-items: center;
}

/* Gamepad Button Style */
.btn-gamepad {
  position: relative;
  padding: 16px 32px;
  border-radius: 50px;
  border: 3px solid var(--border-comic);
  font-family: inherit;
  font-weight: bold;
  font-size: 1.1rem;
  cursor: pointer;
  box-shadow: 4px 4px 0px var(--border-comic);
  transition: transform 0.1s, box-shadow 0.1s;
  background: var(--mint-green);
  color: var(--text-dark);
  display: flex;
  align-items: center;
  gap: 10px;
}
.btn-gamepad:hover {
  transform: translate(2px, 2px);
  box-shadow: 2px 2px 0px var(--border-comic);
}
.btn-gamepad::before,
.btn-gamepad::after {
  content: '';
  position: absolute;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  border: 2px solid var(--border-comic);
  background: var(--sakura-pink);
}
.btn-gamepad::before {
  top: -8px;
  left: 20px;
}
.btn-gamepad::after {
  bottom: -8px;
  right: 20px;
  background: var(--sky-blue);
}

/* Footer */
.site-footer {
  background: var(--text-dark);
  color: #fff;
  text-align: center;
  padding: 40px 20px;
  border-top: 5px dashed var(--bright-yellow);
}

.footer-content p {
  color: #ccc;
  font-size: 0.9rem;
  margin-bottom: 8px;
}

.to-be-continued {
  font-size: 1.5rem;
  font-weight: bold;
  color: var(--bright-yellow);
  margin-bottom: 20px;
  letter-spacing: 2px;
  text-shadow: 2px 2px 0px #000;
}

.update-time {
  font-size: 0.8rem;
  color: #999;
  margin-top: 16px;
}

/* Modal for Baidu App */
.modal-overlay {
  display: none;
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0,0,0,0.6);
  z-index: 1000;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.modal-overlay.active {
  display: flex;
}

.modal-box {
  background: #fff;
  border: 3px solid var(--border-comic);
  border-radius: 8px;
  padding: 24px;
  max-width: 400px;
  width: 100%;
  text-align: center;
  box-shadow: 6px 6px 0px var(--border-comic);
}

.modal-box p {
  margin-bottom: 16px;
  font-size: 1rem;
  color: var(--text-dark);
}

.copy-input {
  width: 100%;
  padding: 10px;
  margin-bottom: 16px;
  border: 2px solid var(--border-comic);
  border-radius: 4px;
  font-size: 0.9rem;
  background: var(--sky-blue);
  color: var(--text-dark);
  font-family: monospace;
}

.copy-btn {
  background: var(--sakura-pink);
  border: 2px solid var(--border-comic);
  border-radius: 4px;
  padding: 10px 20px;
  font-size: 1rem;
  font-weight: bold;
  cursor: pointer;
  box-shadow: 2px 2px 0px var(--border-comic);
}

/* Responsive Media Queries */
@media (min-width: 768px) {
  h1 { font-size: 3rem; }
  h2 { font-size: 2.5rem; }
  
  .hero-content {
    flex-direction: row;
    align-items: center;
  }
  .hero-text {
    flex: 1;
  }
  .hero-carousel {
    flex: 1;
    max-width: 450px;
    height: 320px;
  }
  
  .panel-wall {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .bubble-matrix {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .belt-layout {
    flex-direction: row;
    justify-content: center;
    align-items: center;
  }
  .belt-connector {
    width: 100px;
    height: 100px;
    border-top: none;
    border-left: 4px dashed var(--border-comic);
  }
  .belt-connector::after {
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) rotate(-90deg);
    white-space: nowrap;
  }
  
  .final-buttons {
    flex-direction: row;
    justify-content: center;
  }
  
  .main-nav {
    display: block;
  }
  .mobile-menu-btn {
    display: none;
  }
}

@media (min-width: 1024px) {
  .panel-wall {
    grid-template-columns: repeat(4, 1fr);
  }
  
  .bubble-matrix {
    grid-template-columns: repeat(3, 1fr);
  }
  
  .timeline {
    padding: 40px 0;
  }
  .timeline-item {
    margin-bottom: 60px;
  }
}