/* ========================================================
   新粗野科技风 (NEO-BRUTALISM) - 纯原生 CSS 样式表
   禁止渐变 · 禁止柔和阴影 · 实体按压感 · 3px 纯黑粗边框
   ======================================================== */

@import url('https://fonts.googleapis.com/css2?family=Archivo+Black&family=Noto+Sans+SC:wght@400;500;700;900&family=Space+Mono:ital,wght@0,400;0,700;1,400&display=swap');

:root {
  --bg-paper: #FFFBEF;
  --ink-black: #111111;
  --neon-green: #B9FF3C;
  --sky-blue: #7DD3FC;
  --pink-accent: #FF6B9D;
  --white: #FFFFFF;
  --gray-light: #F4F0E4;
  --border-thick: 3px solid #111111;
  --border-thin: 2px solid #111111;
  --shadow-hard: 6px 6px 0px #111111;
  --shadow-hover: 9px 9px 0px #111111;
  --font-heading: 'Archivo Black', 'Noto Sans SC', -apple-system, sans-serif;
  --font-mono: 'Space Mono', 'Noto Sans SC', monospace;
}

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

html {
  scroll-behavior: smooth;
}

body {
  background-color: var(--bg-paper);
  color: var(--ink-black);
  font-family: var(--font-mono);
  font-size: 15px;
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* 链接全局重置 */
a {
  color: inherit;
  text-decoration: none;
}

/* 标题字体 */
h1, h2, h3, h4, .font-heading {
  font-family: var(--font-heading);
  letter-spacing: -0.02em;
  line-height: 1.15;
}

/* 荧光高亮记号笔效果 */
.marker-highlight {
  background-color: var(--neon-green);
  border: 2px solid var(--ink-black);
  padding: 2px 8px;
  box-decoration-break: clone;
  -webkit-box-decoration-break: clone;
  display: inline-block;
  transform: rotate(-1deg);
}

.marker-pink {
  background-color: var(--pink-accent);
  border: 2px solid var(--ink-black);
  padding: 2px 8px;
  color: var(--ink-black);
  display: inline-block;
  transform: rotate(1deg);
}

.marker-blue {
  background-color: var(--sky-blue);
  border: 2px solid var(--ink-black);
  padding: 2px 8px;
  display: inline-block;
}

/* 贴纸徽章通用样式 */
.sticker-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 13px;
  border: var(--border-thick);
  box-shadow: 4px 4px 0px var(--ink-black);
  user-select: none;
}

/* 按钮规范: 悬停位移+加大阴影，按下实体归零按压 */
.brutal-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 26px;
  font-family: var(--font-heading);
  font-size: 15px;
  border: var(--border-thick);
  box-shadow: var(--shadow-hard);
  border-radius: 6px;
  cursor: pointer;
  transition: transform 0.1s ease, box-shadow 0.1s ease;
  text-align: center;
}

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

.brutal-btn:active {
  transform: translate(4px, 4px);
  box-shadow: 0px 0px 0px var(--ink-black);
}

.btn-neon {
  background-color: var(--neon-green);
  color: var(--ink-black);
}

.btn-black {
  background-color: var(--ink-black);
  color: var(--neon-green);
}

.btn-white {
  background-color: var(--white);
  color: var(--ink-black);
}

.btn-pink {
  background-color: var(--pink-accent);
  color: var(--ink-black);
}

/* 卡片基类 */
.brutal-card {
  background-color: var(--white);
  border: var(--border-thick);
  box-shadow: var(--shadow-hard);
  border-radius: 8px;
  padding: 24px;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.brutal-card:hover {
  transform: translate(-3px, -3px);
  box-shadow: var(--shadow-hover);
}

/* 顶部导航 */
.navbar {
  background-color: var(--white);
  border-bottom: var(--border-thick);
  position: sticky;
  top: 0;
  z-index: 100;
}

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

.logo-sticker {
  background-color: var(--neon-green);
  border: var(--border-thick);
  padding: 6px 14px;
  transform: rotate(-2deg);
  display: flex;
  align-items: center;
  gap: 8px;
  box-shadow: 3px 3px 0px var(--ink-black);
  transition: transform 0.2s ease;
}

.logo-sticker:hover {
  transform: rotate(0deg);
}

.logo-title {
  font-family: var(--font-heading);
  font-size: 18px;
  color: var(--ink-black);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
  font-weight: 700;
  font-size: 14px;
}

.nav-link:hover {
  background-color: var(--neon-green);
  padding: 2px 6px;
  outline: 2px solid var(--ink-black);
}

.nav-cta {
  padding: 8px 18px;
  font-size: 13px;
  box-shadow: 4px 4px 0px var(--ink-black);
}

/* Hero 区域 */
.hero-section {
  max-width: 1200px;
  margin: 40px auto 60px;
  padding: 0 20px;
}

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

.hero-title {
  font-size: 44px;
  text-transform: uppercase;
  margin-bottom: 20px;
  line-height: 1.15;
}

.hero-subtitle {
  font-size: 16px;
  margin-bottom: 28px;
  color: #333;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 30px;
}

/* Hero 右侧贴纸浮动盒 */
.hero-stickers-box {
  position: relative;
  min-height: 340px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 20px;
}

.floating-badge {
  border: var(--border-thick);
  box-shadow: var(--shadow-hard);
  padding: 16px 20px;
  border-radius: 8px;
  font-weight: 700;
  transition: transform 0.2s ease;
}

.badge-1 {
  background-color: var(--neon-green);
  transform: rotate(3deg);
}

.badge-2 {
  background-color: var(--sky-blue);
  transform: rotate(-4deg);
  margin-left: 30px;
}

.badge-3 {
  background-color: var(--pink-accent);
  transform: rotate(2deg);
}

.floating-badge:hover {
  transform: rotate(0deg) scale(1.03);
}

/* 跑马灯无限滚动横带 */
.marquee-bar {
  background-color: var(--neon-green);
  border-top: var(--border-thick);
  border-bottom: var(--border-thick);
  padding: 14px 0;
  overflow: hidden;
  white-space: nowrap;
  display: flex;
}

.marquee-track {
  display: inline-flex;
  animation: marqueeLoop 22s linear infinite;
}

.marquee-item {
  display: inline-flex;
  align-items: center;
  gap: 16px;
  padding: 0 24px;
  font-family: var(--font-heading);
  font-size: 18px;
  color: var(--ink-black);
}

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

/* 2x2 功能网格 (默认倾斜 -1deg, 悬停回正) */
.features-section {
  max-width: 1200px;
  margin: 70px auto;
  padding: 0 20px;
}

.section-title-wrap {
  text-align: center;
  margin-bottom: 45px;
}

.section-tag {
  display: inline-block;
  background-color: var(--ink-black);
  color: var(--neon-green);
  padding: 4px 12px;
  font-size: 12px;
  font-weight: 700;
  margin-bottom: 12px;
  border-radius: 4px;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 30px;
}

.feature-brutal-card {
  transform: rotate(-1deg);
}

.feature-brutal-card:hover {
  transform: rotate(0deg) translate(-3px, -3px);
}

.feature-num {
  font-family: var(--font-heading);
  font-size: 42px;
  line-height: 1;
  margin-bottom: 12px;
  display: inline-block;
  padding: 4px 14px;
  border: var(--border-thick);
  box-shadow: 4px 4px 0px var(--ink-black);
  border-radius: 6px;
}

.num-green { background-color: var(--neon-green); }
.num-blue { background-color: var(--sky-blue); }
.num-pink { background-color: var(--pink-accent); }
.num-yellow { background-color: #FACC15; }

/* 流媒体与 AI 支持 */
.streaming-section {
  max-width: 1200px;
  margin: 70px auto;
  padding: 0 20px;
}

.streaming-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.media-item {
  border: var(--border-thick);
  box-shadow: 4px 4px 0px var(--ink-black);
  background-color: var(--white);
  padding: 16px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  gap: 12px;
}

/* 价格对比表: 3张描边卡，中间卡荧光绿底+粉色 BEST DEAL 贴纸 */
.pricing-section {
  max-width: 1200px;
  margin: 80px auto;
  padding: 0 20px;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  align-items: stretch;
}

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

.price-card-popular {
  background-color: var(--neon-green) !important;
  position: relative;
  transform: scale(1.02);
}

.best-deal-sticker {
  position: absolute;
  top: -16px;
  right: 18px;
  background-color: var(--pink-accent);
  color: var(--ink-black);
  font-family: var(--font-heading);
  font-size: 13px;
  padding: 4px 14px;
  border: var(--border-thick);
  box-shadow: 3px 3px 0px var(--ink-black);
  transform: rotate(5deg);
}

.price-amount {
  font-family: var(--font-heading);
  font-size: 46px;
  margin: 14px 0 8px;
}

/* 用户心声与 FAQ */
.reviews-section, .faq-section {
  max-width: 1200px;
  margin: 70px auto;
  padding: 0 20px;
}

.reviews-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 18px;
  max-width: 900px;
  margin: 0 auto;
}

details.brutal-faq {
  background-color: var(--white);
  border: var(--border-thick);
  box-shadow: var(--shadow-hard);
  border-radius: 6px;
  padding: 16px 20px;
  cursor: pointer;
}

details.brutal-faq summary {
  font-family: var(--font-heading);
  font-size: 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  list-style: none;
}

details.brutal-faq summary::-webkit-details-marker {
  display: none;
}

details.brutal-faq[open] {
  background-color: #FAFAFA;
}

.faq-answer {
  margin-top: 12px;
  padding-top: 12px;
  border-top: 2px dashed var(--ink-black);
  font-size: 14px;
  color: #333;
}

/* 纯黑页脚: 纯黑底、白色等宽字、严格只保留四个标题 */
.footer {
  background-color: var(--ink-black);
  color: var(--white);
  border-top: var(--border-thick);
  padding: 50px 20px 40px;
  margin-top: 80px;
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
  text-align: center;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 32px;
  margin-bottom: 30px;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 15px;
}

.footer-links a {
  color: var(--white);
  transition: color 0.15s ease;
}

.footer-links a:hover {
  color: var(--neon-green);
  text-decoration: underline;
}

.footer-meta {
  font-size: 12px;
  color: #888;
}

/* 响应式媒体查询 @media */
@media (max-width: 900px) {
  .hero-grid {
    grid-template-columns: 1fr;
  }
  .hero-title {
    font-size: 32px;
  }
  .features-grid {
    grid-template-columns: 1fr;
  }
  .pricing-grid {
    grid-template-columns: 1fr;
  }
  .reviews-grid {
    grid-template-columns: 1fr;
  }
  .streaming-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .hero-stickers-box {
    display: none; /* 移动端隐藏右侧贴纸 */
  }
}

@media (max-width: 600px) {
  .nav-links {
    display: none;
  }
  .streaming-grid {
    grid-template-columns: 1fr;
  }
  .brutal-btn {
    width: 100%;
  }
}