/* ==========================================================================
   狗狗加速 - 新潮漫画风 (Neo-Brutalist Comic Style) 纯原生 CSS
   ========================================================================== */

/* 重置与变量声明 */
:root {
  --bg-main: #FFFDF0;
  --color-dark: #121212;
  --color-white: #FFFFFF;
  --color-yellow: #FFE600;
  --color-cyan: #00F0FF;
  --color-pink: #FF3366;
  --color-green: #00E676;
  --color-purple: #A060FF;
  --color-orange: #FF9900;
  
  --border-thick: 3px solid var(--color-dark);
  --border-thick-heavy: 4px solid var(--color-dark);
  --shadow-main: 6px 6px 0px var(--color-dark);
  --shadow-small: 4px 4px 0px var(--color-dark);
  --shadow-hover: 2px 2px 0px var(--color-dark);
  
  --radius-card: 16px;
  --radius-btn: 12px;
  --radius-badge: 50px;
  
  --font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Microsoft YaHei", sans-serif;
}

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

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

body {
  background-color: var(--bg-main);
  color: var(--color-dark);
  font-family: var(--font-family);
  line-height: 1.6;
  overflow-x: hidden;
  background-image: radial-gradient(var(--color-dark) 0.7px, transparent 0.7px);
  background-size: 24px 24px;
}

/* 链接样式 */
a {
  color: inherit;
  text-decoration: none;
}

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

/* 漫画风按钮定义 */
.comic-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 28px;
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--color-dark);
  background-color: var(--color-yellow);
  border: var(--border-thick-heavy);
  border-radius: var(--radius-btn);
  box-shadow: var(--shadow-main);
  cursor: pointer;
  transition: all 0.15s ease-in-out;
  text-align: center;
  user-select: none;
}

.comic-btn:hover {
  transform: translate(-3px, -3px);
  box-shadow: 9px 9px 0px var(--color-dark);
  background-color: #FFF000;
}

.comic-btn:active {
  transform: translate(3px, 3px);
  box-shadow: var(--shadow-hover);
}

.comic-btn-pink {
  background-color: var(--color-pink);
  color: var(--color-white);
}

.comic-btn-pink:hover {
  background-color: #FF1F57;
  color: var(--color-white);
}

.comic-btn-cyan {
  background-color: var(--color-cyan);
}

.comic-btn-green {
  background-color: var(--color-green);
}

.comic-btn-large {
  padding: 18px 40px;
  font-size: 1.35rem;
  letter-spacing: 0.5px;
}

/* 漫画卡片通用基础 */
.comic-card {
  background-color: var(--color-white);
  border: var(--border-thick-heavy);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-main);
  padding: 28px;
  position: relative;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.comic-card:hover {
  transform: translateY(-4px);
  box-shadow: 10px 10px 0px var(--color-dark);
}

/* 漫画徽章标签 */
.comic-badge {
  display: inline-block;
  padding: 6px 14px;
  font-weight: 800;
  font-size: 0.85rem;
  border: var(--border-thick);
  border-radius: var(--radius-badge);
  box-shadow: 3px 3px 0px var(--color-dark);
  text-transform: uppercase;
}

.badge-yellow { background-color: var(--color-yellow); }
.badge-cyan { background-color: var(--color-cyan); }
.badge-pink { background-color: var(--color-pink); color: var(--color-white); }
.badge-green { background-color: var(--color-green); }
.badge-purple { background-color: var(--color-purple); color: var(--color-white); }

/* 标题样式 */
.section-title-wrap {
  text-align: center;
  margin-bottom: 45px;
  position: relative;
}

.section-title {
  font-size: 2.4rem;
  font-weight: 900;
  display: inline-block;
  background-color: var(--color-white);
  border: var(--border-thick-heavy);
  padding: 10px 24px;
  border-radius: 14px;
  box-shadow: var(--shadow-main);
  position: relative;
  z-index: 1;
}

.section-subtitle {
  font-size: 1.1rem;
  font-weight: 600;
  color: #444;
  margin-top: 15px;
}

/* ==========================================================================
   顶栏导航 Header
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: rgba(255, 253, 240, 0.95);
  backdrop-filter: blur(8px);
  border-bottom: var(--border-thick);
  padding: 15px 0;
}

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

.brand-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.6rem;
  font-weight: 900;
  color: var(--color-dark);
  padding: 4px 14px;
  background: var(--color-yellow);
  border: var(--border-thick);
  border-radius: 12px;
  box-shadow: var(--shadow-small);
}

.brand-logo span.icon {
  font-size: 1.8rem;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 25px;
  list-style: none;
}

.nav-link {
  font-weight: 700;
  font-size: 1.05rem;
  padding: 6px 12px;
  border-radius: 8px;
  transition: background-color 0.2s;
}

.nav-link:hover {
  background-color: var(--color-cyan);
}

/* ==========================================================================
   Hero 主视觉区
   ========================================================================== */
.hero-section {
  padding: 70px 0 60px;
  position: relative;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 40px;
  align-items: center;
}

.hero-content {
  position: relative;
}

.hero-badge-row {
  display: flex;
  gap: 10px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.hero-title {
  font-size: 3.2rem;
  font-weight: 900;
  line-height: 1.15;
  margin-bottom: 20px;
  letter-spacing: -1px;
}

.hero-title .highlight {
  background-color: var(--color-yellow);
  padding: 2px 10px;
  border: var(--border-thick);
  border-radius: 8px;
  display: inline-block;
  transform: rotate(-1deg);
  box-shadow: var(--shadow-small);
}

.hero-subtitle {
  font-size: 1.25rem;
  font-weight: 600;
  color: #333;
  margin-bottom: 35px;
  max-width: 600px;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}

.hero-trust-text {
  font-size: 0.95rem;
  font-weight: 700;
  color: #555;
  display: flex;
  align-items: center;
  gap: 6px;
  margin-top: 15px;
}

/* 漫画风格插画卡片 */
.hero-illustration {
  background: var(--color-cyan);
  border: var(--border-thick-heavy);
  border-radius: 24px;
  padding: 30px;
  box-shadow: 10px 10px 0px var(--color-dark);
  text-align: center;
  position: relative;
}

.hero-illustration .mascot-icon {
  font-size: 7rem;
  line-height: 1;
  display: block;
  margin-bottom: 10px;
  filter: drop-shadow(4px 4px 0px #000);
}

.speech-bubble {
  position: relative;
  background: var(--color-white);
  border: var(--border-thick);
  border-radius: 16px;
  padding: 15px 20px;
  font-weight: 800;
  font-size: 1.1rem;
  box-shadow: var(--shadow-small);
  margin-top: 15px;
}

.speech-bubble::after {
  content: '';
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  border-width: 0 12px 14px 12px;
  border-style: solid;
  border-color: transparent transparent var(--color-dark) transparent;
}

.speed-meter-row {
  display: flex;
  justify-content: space-around;
  margin-top: 25px;
  padding-top: 20px;
  border-top: 2px dashed var(--color-dark);
}

.meter-item {
  text-align: center;
}

.meter-val {
  font-size: 1.8rem;
  font-weight: 900;
  color: var(--color-pink);
  line-height: 1;
}

.meter-label {
  font-size: 0.85rem;
  font-weight: 700;
  color: #333;
}

/* ==========================================================================
   产品核心优势 (Core Advantages)
   ========================================================================== */
.features-section {
  padding: 60px 0;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.feature-card {
  text-align: left;
  display: flex;
  flex-direction: column;
}

.feature-icon-box {
  width: 60px;
  height: 60px;
  border: var(--border-thick);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  margin-bottom: 18px;
  box-shadow: var(--shadow-small);
}

.feature-card:nth-child(1) .feature-icon-box { background-color: var(--color-yellow); }
.feature-card:nth-child(2) .feature-icon-box { background-color: var(--color-cyan); }
.feature-card:nth-child(3) .feature-icon-box { background-color: var(--color-pink); color: #fff; }
.feature-card:nth-child(4) .feature-icon-box { background-color: var(--color-green); }

.feature-title {
  font-size: 1.3rem;
  font-weight: 800;
  margin-bottom: 10px;
}

.feature-desc {
  font-size: 0.95rem;
  color: #444;
  font-weight: 500;
}

/* ==========================================================================
   流媒体与 AI 支持 (Streaming & AI Support)
   ========================================================================== */
.support-section {
  padding: 60px 0;
}

.support-box {
  background-color: var(--color-purple);
  border: var(--border-thick-heavy);
  border-radius: 24px;
  padding: 40px;
  box-shadow: 10px 10px 0px var(--color-dark);
  color: var(--color-white);
}

.support-box .section-title {
  color: var(--color-dark);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 20px;
  margin-top: 35px;
}

.service-badge-card {
  background-color: var(--color-white);
  color: var(--color-dark);
  border: var(--border-thick);
  border-radius: 14px;
  padding: 16px;
  text-align: center;
  box-shadow: var(--shadow-small);
  transition: transform 0.2s;
}

.service-badge-card:hover {
  transform: scale(1.05) rotate(1deg);
  background-color: var(--color-yellow);
}

.service-logo {
  font-size: 2.2rem;
  margin-bottom: 6px;
  display: block;
}

.service-name {
  font-size: 1.1rem;
  font-weight: 800;
}

.service-tag {
  font-size: 0.75rem;
  font-weight: 700;
  color: #666;
  margin-top: 4px;
}

/* ==========================================================================
   套餐价格对比表 (Pricing)
   ========================================================================== */
.pricing-section {
  padding: 60px 0;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  align-items: flex-start;
}

.pricing-card {
  position: relative;
  display: flex;
  flex-direction: column;
}

.pricing-card.popular {
  border-width: 5px;
  transform: scale(1.03);
  background-color: #FFFEE6;
  box-shadow: 10px 10px 0px var(--color-dark);
}

.pricing-card.popular:hover {
  transform: scale(1.05) translateY(-4px);
  box-shadow: 12px 12px 0px var(--color-dark);
}

.popular-tag {
  position: absolute;
  top: -18px;
  right: 20px;
  background-color: var(--color-pink);
  color: var(--color-white);
  font-weight: 900;
  font-size: 0.9rem;
  padding: 6px 14px;
  border: var(--border-thick);
  border-radius: 30px;
  box-shadow: 3px 3px 0px var(--color-dark);
  transform: rotate(3deg);
}

.plan-name {
  font-size: 1.6rem;
  font-weight: 900;
  margin-bottom: 10px;
}

.plan-price-box {
  margin: 15px 0 20px;
  padding-bottom: 15px;
  border-bottom: 2px dashed var(--color-dark);
}

.plan-price {
  font-size: 2.8rem;
  font-weight: 900;
  color: var(--color-pink);
  line-height: 1;
}

.plan-price span.unit {
  font-size: 1.1rem;
  color: var(--color-dark);
  font-weight: 700;
}

.plan-features {
  list-style: none;
  margin-bottom: 30px;
  flex-grow: 1;
}

.plan-features li {
  font-weight: 700;
  padding: 8px 0;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.98rem;
}

.plan-features li span.check {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  background-color: var(--color-green);
  border: 2px solid var(--color-dark);
  border-radius: 50%;
  font-size: 0.75rem;
  font-weight: 900;
}

/* ==========================================================================
   用户评价 (Testimonials)
   ========================================================================== */
.reviews-section {
  padding: 60px 0;
}

.reviews-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 25px;
}

.review-card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.review-user {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 15px;
}

.user-avatar {
  width: 48px;
  height: 48px;
  border: var(--border-thick);
  border-radius: 50%;
  background-color: var(--color-yellow);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  box-shadow: 2px 2px 0px var(--color-dark);
}

.user-info {
  line-height: 1.2;
}

.user-name {
  font-weight: 800;
  font-size: 1.05rem;
}

.user-role {
  font-size: 0.8rem;
  font-weight: 600;
  color: #666;
}

.review-text {
  font-size: 1rem;
  font-weight: 600;
  font-style: italic;
  position: relative;
}

.rating-stars {
  color: #FFB800;
  font-size: 1.1rem;
  margin-bottom: 10px;
}

/* ==========================================================================
   常见问题解答 (FAQ)
   ========================================================================== */
.faq-section {
  padding: 60px 0;
}

.faq-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.faq-item {
  background-color: var(--color-white);
  border: var(--border-thick);
  border-radius: 14px;
  padding: 22px;
  box-shadow: var(--shadow-small);
}

.faq-question {
  font-size: 1.15rem;
  font-weight: 800;
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.faq-question span.q-badge {
  background-color: var(--color-pink);
  color: #fff;
  font-size: 0.85rem;
  padding: 2px 8px;
  border: 2px solid var(--color-dark);
  border-radius: 6px;
}

.faq-answer {
  font-size: 0.95rem;
  font-weight: 500;
  color: #333;
}

/* ==========================================================================
   底栏 Footer (严格只保留4个标题导航)
   ========================================================================== */
.site-footer {
  background-color: var(--color-dark);
  color: var(--color-white);
  border-top: var(--border-thick-heavy);
  padding: 40px 0 30px;
  margin-top: 60px;
}

.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 25px;
  text-align: center;
}

.footer-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 30px;
  flex-wrap: wrap;
}

.footer-link {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--color-white);
  background-color: #222;
  padding: 10px 22px;
  border: 2px solid var(--color-white);
  border-radius: 10px;
  box-shadow: 4px 4px 0px var(--color-yellow);
  transition: all 0.2s ease;
}

.footer-link:hover {
  background-color: var(--color-yellow);
  color: var(--color-dark);
  box-shadow: 4px 4px 0px var(--color-pink);
  transform: translateY(-2px);
}

.footer-copy {
  font-size: 0.85rem;
  color: #aaa;
  font-weight: 600;
  margin-top: 10px;
}

/* ==========================================================================
   独立子页面通用框架样式 (about, terms, privacy, sitemap)
   ========================================================================== */
.subpage-hero {
  background-color: var(--color-yellow);
  border-bottom: var(--border-thick-heavy);
  padding: 45px 0;
  text-align: center;
}

.subpage-title {
  font-size: 2.8rem;
  font-weight: 900;
  display: inline-block;
  background-color: var(--color-white);
  border: var(--border-thick-heavy);
  padding: 8px 25px;
  border-radius: 14px;
  box-shadow: var(--shadow-main);
}

.subpage-body {
  padding: 50px 0;
}

.content-box {
  background-color: var(--color-white);
  border: var(--border-thick-heavy);
  border-radius: 20px;
  padding: 40px;
  box-shadow: var(--shadow-main);
}

.content-box h2 {
  font-size: 1.6rem;
  font-weight: 800;
  margin: 30px 0 15px;
  padding-bottom: 8px;
  border-bottom: 3px solid var(--color-dark);
  display: flex;
  align-items: center;
  gap: 10px;
}

.content-box h2:first-child {
  margin-top: 0;
}

.content-box p {
  font-size: 1.05rem;
  margin-bottom: 15px;
  color: #222;
}

.content-box ul {
  margin: 15px 0 20px 25px;
}

.content-box li {
  margin-bottom: 10px;
  font-weight: 600;
}

.back-home-btn-wrap {
  margin-top: 35px;
  text-align: center;
}

/* ==========================================================================
   响应式媒体查询 (Mobile Responsiveness)
   ========================================================================== */
@media (max-width: 992px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 35px;
  }

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

  .pricing-grid {
    grid-template-columns: 1fr;
    max-width: 500px;
    margin: 0 auto;
  }
  
  .pricing-card.popular {
    transform: none;
  }

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

@media (max-width: 768px) {
  html {
    font-size: 15px;
  }

  .nav-menu {
    display: none; /* 移动端精简顶栏 */
  }

  .hero-title {
    font-size: 2.2rem;
  }

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

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

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

  .footer-nav {
    flex-direction: column;
    width: 100%;
    gap: 15px;
  }

  .footer-link {
    width: 100%;
    display: block;
    text-align: center;
    padding: 14px;
    font-size: 1.1rem;
  }

  .comic-btn-large {
    width: 100%;
    padding: 16px 20px;
  }
}