:root {
  --primary: #FFD700; /* 更明亮的黄色 (Gold) */
  --primary-hover: #FFC107;
  --secondary: #FFA500; /* 橙色点缀 */
  --bg-color: #FFF9E6; /* 淡淡的黄色背景 */
  --text-main: #111827;
  --text-muted: #4B5563;
  --card-bg: #FFFFFF;
  --border-color: #111827; /* 动漫风粗边框 */
  --radius: 12px;
  /* 动漫风格的硬阴影 */
  --shadow-sm: 4px 4px 0px #111827;
  --shadow-md: 6px 6px 0px #111827;
  --shadow-lg: 8px 8px 0px #111827;
  --font-family: "PingFang SC", "Microsoft YaHei", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --transition: all 0.2s ease-in-out;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  background-color: var(--bg-color);
  color: var(--text-main);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  background-image: radial-gradient(#FFD700 1px, transparent 1px);
  background-size: 30px 30px; /* 漫画风点阵背景 */
}

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

ul {
  list-style: none;
}

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

/* Header & Nav */
header {
  background: var(--primary);
  border-bottom: 3px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 76px;
}

.logo {
  font-size: 26px;
  font-weight: 900;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 8px;
  text-shadow: 2px 2px 0px #FFF;
}

.logo-icon {
  font-size: 32px;
}

.main-nav ul {
  display: flex;
  gap: 30px;
}

.main-nav a {
  font-weight: 700;
  font-size: 16px;
  position: relative;
}

.main-nav a::after {
  content: '';
  position: absolute;
  width: 0%;
  height: 3px;
  bottom: -4px;
  left: 0;
  background-color: var(--text-main);
  transition: var(--transition);
}

.main-nav a:hover::after {
  width: 100%;
}

.btn {
  display: inline-block;
  padding: 12px 28px;
  border-radius: var(--radius);
  font-weight: 800;
  text-align: center;
  cursor: pointer;
  border: 3px solid var(--border-color);
  transition: var(--transition);
  box-shadow: 3px 3px 0px var(--border-color);
}

.btn-primary {
  background-color: var(--secondary); /* 橙色按钮 */
  color: var(--text-main);
}

.btn-primary:hover {
  background-color: var(--primary-hover);
  transform: translate(2px, 2px);
  box-shadow: 1px 1px 0px var(--border-color);
}

.btn-secondary {
  background-color: #FFF;
  color: var(--text-main);
}
.btn-secondary:hover {
  background-color: #F3F4F6;
  transform: translate(2px, 2px);
  box-shadow: 1px 1px 0px var(--border-color);
}


/* Hero Section (Split Layout) */
.hero {
  padding: 80px 0;
  overflow: hidden;
}

.hero-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
}

.hero-content {
  flex: 1;
  max-width: 600px;
}

.hero h1 {
  font-size: 56px;
  font-weight: 900;
  line-height: 1.2;
  margin-bottom: 24px;
  letter-spacing: -1px;
  text-shadow: 3px 3px 0px #FFF, 5px 5px 0px var(--border-color);
}

.hero p {
  font-size: 20px;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 40px;
  background: rgba(255,255,255,0.8);
  padding: 15px;
  border-radius: var(--radius);
  border: 2px dashed var(--border-color);
}

.btn-large {
  font-size: 20px;
  padding: 16px 40px;
}

/* Anime Visual */
.hero-visual {
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
}

.anime-chick-wrapper {
  position: relative;
  width: 350px;
  height: 350px;
  background: var(--card-bg);
  border: 4px solid var(--border-color);
  border-radius: 50%;
  box-shadow: var(--shadow-lg);
  display: flex;
  justify-content: center;
  align-items: center;
  overflow: hidden;
  animation: float 3s ease-in-out infinite;
}

.anime-chick {
  width: 250px;
  height: 250px;
  animation: run 0.5s infinite alternate;
}

.speed-lines {
  position: absolute;
  height: 4px;
  background: var(--border-color);
  width: 100px;
  right: -20px;
  top: 30%;
  animation: dash 0.6s linear infinite;
}
.speed-lines.line-2 {
  top: 50%;
  width: 150px;
  animation-delay: 0.2s;
  animation-duration: 0.4s;
}
.speed-lines.line-3 {
  top: 70%;
  width: 80px;
  animation-delay: 0.1s;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-15px); }
}

@keyframes run {
  0% { transform: rotate(-5deg) translateY(0); }
  100% { transform: rotate(5deg) translateY(-10px); }
}

@keyframes dash {
  0% { transform: translateX(50px); opacity: 0; }
  50% { opacity: 1; }
  100% { transform: translateX(-200px); opacity: 0; }
}

/* Features */
.features {
  padding: 80px 0;
  background: var(--primary);
  border-top: 4px solid var(--border-color);
  border-bottom: 4px solid var(--border-color);
}

.section-title {
  text-align: center;
  font-size: 38px;
  font-weight: 900;
  margin-bottom: 48px;
  text-shadow: 2px 2px 0px #FFF;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
}

.feature-card {
  background: var(--card-bg);
  padding: 40px 30px;
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  text-align: center;
  transition: var(--transition);
  border: 3px solid var(--border-color);
}

.feature-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.feature-icon {
  font-size: 56px;
  margin-bottom: 20px;
}

.feature-card h3 {
  font-size: 24px;
  font-weight: 800;
  margin-bottom: 12px;
}

.feature-card p {
  font-weight: 600;
  color: var(--text-muted);
}

/* Pricing */
.pricing {
  padding: 80px 0;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  align-items: center;
}

.price-card {
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 40px 30px;
  text-align: center;
  border: 3px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.price-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
}

.price-card.popular {
  background: var(--primary);
  border: 4px solid var(--border-color);
  box-shadow: var(--shadow-lg);
  transform: scale(1.05);
  z-index: 2;
}
.price-card.popular:hover {
  transform: scale(1.05) translateY(-5px);
}

.popular-badge {
  position: absolute;
  top: 18px;
  right: -36px;
  background: #FF4500;
  color: #fff;
  padding: 6px 40px;
  font-size: 14px;
  font-weight: 900;
  transform: rotate(45deg);
  border: 2px solid var(--border-color);
}

.price-card h3 {
  font-size: 26px;
  font-weight: 900;
  margin-bottom: 10px;
}

.price-amount {
  font-size: 52px;
  font-weight: 900;
  color: var(--text-main);
  margin-bottom: 24px;
  text-shadow: 2px 2px 0px #FFF;
}

.price-amount span {
  font-size: 18px;
  font-weight: 700;
}

.price-features {
  margin-bottom: 30px;
  text-align: left;
}

.price-features li {
  margin-bottom: 14px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 8px;
}

.price-features li::before {
  content: "★";
  color: var(--secondary);
  font-size: 20px;
  text-shadow: 1px 1px 0px var(--border-color);
}

.price-card .btn {
  width: 100%;
}

/* FAQ */
.faq {
  padding: 80px 0;
  background: #FFF;
  border-top: 4px solid var(--border-color);
  border-bottom: 4px solid var(--border-color);
}

.faq-list {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.faq-item {
  background: var(--bg-color);
  border-radius: var(--radius);
  padding: 24px;
  border: 3px solid var(--border-color);
  box-shadow: var(--shadow-sm);
}

.faq-item h3 {
  font-size: 20px;
  font-weight: 800;
  margin-bottom: 10px;
}

.faq-item p {
  font-weight: 600;
}

/* Page Content (Support Pages) */
.page-content {
  padding: 60px 40px;
  max-width: 800px;
  margin: 0 auto;
  background: var(--card-bg);
  border-radius: var(--radius);
  border: 4px solid var(--border-color);
  box-shadow: var(--shadow-md);
  margin-top: 40px;
  margin-bottom: 40px;
}

.page-content h1 {
  font-size: 36px;
  font-weight: 900;
  margin-bottom: 24px;
  text-align: center;
  text-shadow: 2px 2px 0px var(--primary);
}

.page-content h2 {
  font-size: 26px;
  font-weight: 800;
  margin-top: 32px;
  margin-bottom: 16px;
}

.page-content p, .page-content ul {
  font-weight: 600;
  margin-bottom: 16px;
  font-size: 16px;
}

.page-content ul {
  padding-left: 20px;
}

/* Footer */
footer {
  background: #111827;
  color: #F3F4F6;
  padding: 50px 0 30px;
  text-align: center;
  border-top: 4px solid var(--primary);
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 30px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.footer-links a {
  color: var(--primary);
  font-weight: 700;
  font-size: 15px;
}

.footer-links a:hover {
  color: #FFF;
  text-decoration: underline;
}

.copyright {
  font-size: 14px;
  font-weight: 600;
  border-top: 2px dashed #374151;
  padding-top: 20px;
  margin-top: 20px;
  color: #9CA3AF;
}

/* Responsive */
@media (max-width: 900px) {
  .hero-container {
    flex-direction: column;
    text-align: center;
  }
  .hero-content {
    max-width: 100%;
  }
  .nav-inner { flex-wrap: wrap; row-gap: 10px; }
  .main-nav { order: 3; width: 100%; overflow-x: auto; }
  .main-nav ul { gap: 18px; flex-wrap: nowrap; white-space: nowrap; }
}
@media (max-width: 768px) {
  .hero h1 {
    font-size: 40px;
  }
  .price-card.popular {
    transform: scale(1);
  }
  .price-card.popular:hover {
    transform: translateY(-5px);
  }
}

/* ===== Article / content pages ===== */
.article-content {
padding: 60px 40px;
max-width: 900px;
margin: 0 auto;
background: var(--card-bg);
border-radius: var(--radius);
border: 4px solid var(--border-color);
box-shadow: var(--shadow-md);
margin-top: 40px;
margin-bottom: 40px;
}
.article-content h1 {
font-size: 38px;
font-weight: 900;
margin-bottom: 30px;
color: var(--text-main);
text-shadow: 2px 2px 0px var(--primary);
line-height: 1.3;
}
.article-content h2 {
font-size: 28px;
font-weight: 800;
margin-top: 40px;
margin-bottom: 20px;
padding-bottom: 10px;
border-bottom: 3px solid var(--border-color);
}
.article-content h3 {
font-size: 22px;
font-weight: 700;
margin-top: 25px;
margin-bottom: 15px;
color: var(--secondary);
}
.article-content p {
font-size: 17px;
line-height: 1.8;
margin-bottom: 20px;
color: #374151;
font-weight: 600;
}
.article-content ul {
padding-left: 25px;
margin-bottom: 20px;
}
.article-content li {
font-size: 17px;
line-height: 1.8;
margin-bottom: 10px;
font-weight: 600;
}
.article-content strong {
color: var(--text-main);
font-weight: 800;
}
.internal-link-box {
background-color: var(--bg-color);
border: 3px dashed var(--secondary);
padding: 20px;
border-radius: var(--radius);
text-align: center;
margin: 30px 0;
}
.internal-link-box a {
color: var(--text-main);
font-weight: 900;
font-size: 20px;
text-decoration: underline;
text-decoration-color: var(--primary);
text-decoration-thickness: 4px;
}
.internal-link-box a:hover {
color: var(--secondary);
}

.article-content table { width: 100%; border-collapse: collapse; margin: 20px 0 28px; font-size: 16px; }
.article-content th, .article-content td { border: 2px solid var(--border-color); padding: 10px 12px; text-align: left; vertical-align: top; }
.article-content th { background: var(--primary); font-weight: 900; }
.table-wrap { overflow-x: auto; }
.tldr { background: var(--bg-color); border: 3px solid var(--border-color); border-radius: var(--radius); padding: 18px 22px; margin-bottom: 28px; }
.tldr p, .tldr li { margin-bottom: 6px !important; }
.breadcrumb { font-size: 14px; margin-bottom: 16px; font-weight: 700; }
.post-meta { font-size: 14px; color: #6B7280; margin-top: -16px; }
.related { margin-top: 40px; padding-top: 20px; border-top: 3px dashed var(--border-color); }
.friend-links { text-align: center; margin-top: 15px; font-size: 14px; color: #888; }
.friend-links a { color: #888; text-decoration: none; padding: 0 10px; }
@media (max-width: 768px) {
  .article-content { padding: 32px 18px; }
  .article-content h1 { font-size: 28px; }
  .page-content { padding: 32px 18px; }
}