/* 哔咔漫画BIKA官网 - pica.autos 品牌样式 */
@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+SC:wght@300;400;500;600;700&display=swap');

:root {
  --bg-deep: #0c0612;
  --bg-card: rgba(28, 12, 32, 0.72);
  --bg-glass: rgba(255, 255, 255, 0.06);
  --pink-hot: #ff3d8b;
  --pink-soft: #ff8fc7;
  --pink-blush: #ffd4e8;
  --purple-deep: #6b1f7a;
  --purple-glow: #c44dff;
  --gold-vip: #ffb347;
  --text-primary: #f8f0f4;
  --text-secondary: #c9b4c0;
  --text-muted: #8a7580;
  --border-glow: rgba(255, 61, 139, 0.35);
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 10px;
  --nav-h: 64px;
  --sticky-ads-h: 0px;
  --shadow-pink: 0 8px 32px rgba(255, 61, 139, 0.22);
  --font: 'Noto Sans SC', -apple-system, 'PingFang SC', 'Microsoft YaHei', sans-serif;
}

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

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

body {
  font-family: var(--font);
  background: var(--bg-deep);
  color: var(--text-primary);
  line-height: 1.85;
  min-height: 100vh;
  overflow-x: hidden;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 50% at 20% 0%, rgba(196, 77, 255, 0.18) 0%, transparent 60%),
    radial-gradient(ellipse 60% 40% at 85% 10%, rgba(255, 61, 139, 0.15) 0%, transparent 55%),
    radial-gradient(circle at 50% 100%, rgba(107, 31, 122, 0.2) 0%, transparent 50%);
  pointer-events: none;
  z-index: 0;
}

body::after {
  content: '';
  position: fixed;
  inset: 0;
  background-image: radial-gradient(rgba(255, 143, 199, 0.08) 1px, transparent 1px);
  background-size: 24px 24px;
  pointer-events: none;
  z-index: 0;
  opacity: 0.4;
}

a { color: var(--pink-soft); text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--pink-hot); }

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

.container {
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 20px;
  position: relative;
  z-index: 1;
}

/* ===== 顶部导航 ===== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-h);
  background: rgba(12, 6, 18, 0.92);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--border-glow);
  z-index: 1000;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--nav-h);
  gap: 16px;
}

.brand-link {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text-primary);
  flex-shrink: 0;
}

.brand-link:hover { color: var(--pink-soft); }

.brand-logo {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  object-fit: cover;
  box-shadow: var(--shadow-pink);
}

.brand-name {
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  background: linear-gradient(135deg, var(--pink-blush), var(--pink-hot));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 6px;
  list-style: none;
}

.nav-menu a {
  display: block;
  padding: 8px 14px;
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
  border-radius: var(--radius-sm);
  transition: all 0.2s;
}

.nav-menu a:hover,
.nav-menu a.active {
  color: var(--pink-hot);
  background: rgba(255, 61, 139, 0.12);
}

.nav-cta {
  padding: 8px 18px !important;
  background: linear-gradient(135deg, var(--pink-hot), var(--purple-deep));
  color: #fff !important;
  border-radius: 20px !important;
  font-weight: 600 !important;
  box-shadow: var(--shadow-pink);
}

.nav-cta:hover {
  transform: translateY(-1px);
  color: #fff !important;
  box-shadow: 0 12px 36px rgba(255, 61, 139, 0.35);
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--pink-soft);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 4px;
}

/* ===== 粘性下载广告栏 ===== */
.sticky-ads-bar {
  position: fixed;
  top: var(--nav-h);
  left: 0;
  right: 0;
  background: rgba(18, 8, 24, 0.96);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border-glow);
  z-index: 999;
  transform: translateY(-100%);
  opacity: 0;
  transition: transform 0.3s ease, opacity 0.3s ease;
  pointer-events: none;
}

.sticky-ads-bar.visible {
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}

.sticky-ads-inner {
  padding: 10px 16px;
}

.sticky-ads-inner #sticky-ads {
  display: flex;
  justify-content: center;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 8px;
}

.sticky-ads-inner #sticky-ads > div {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: calc(25% - 6px);
  box-sizing: border-box;
}

.sticky-ads-inner #sticky-ads img {
  width: 52px;
  height: 52px;
  object-fit: cover;
  border-radius: 14px;
  box-shadow: 0 4px 14px rgba(255, 61, 139, 0.2);
  transition: transform 0.18s ease;
}

.sticky-ads-inner #sticky-ads img:hover {
  transform: scale(1.06);
}

.sticky-ads-inner #sticky-ads .caption {
  font-size: 10px;
  color: var(--text-muted);
  text-align: center;
  margin-top: 4px;
  max-width: 72px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ===== 顶部广告位 ===== */
.ads-section {
  padding-top: calc(var(--nav-h) + 16px);
  position: relative;
  z-index: 1;
}

#ads {
  display: flex;
  justify-content: center;
  align-items: flex-start;
  flex-wrap: wrap;
  background: transparent;
  margin: 10px 0 20px;
  gap: 10px;
}

#ads > div {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 70px;
}

#ads img {
  width: 65px;
  height: 65px;
  object-fit: cover;
  border-radius: 18px;
  box-shadow: 0 6px 18px rgba(255, 61, 139, 0.18);
  transition: transform 180ms ease, box-shadow 180ms ease;
  border: 1px solid rgba(255, 143, 199, 0.2);
}

#ads a { display: inline-block; text-decoration: none; border-radius: 15px; }

#ads img:hover {
  transform: translateY(-4px) scale(1.04);
  box-shadow: 0 10px 24px rgba(255, 61, 139, 0.3);
}

#ads .caption {
  height: 15px;
  font-size: 11px;
  color: var(--text-muted);
  text-align: center;
  max-width: 100px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  margin-top: 4px;
}

/* ===== 主内容区 ===== */
main {
  position: relative;
  z-index: 1;
  padding-bottom: 60px;
}

.page-hero {
  padding: 40px 0 50px;
  text-align: center;
}

.page-hero h1 {
  font-size: clamp(1.6rem, 5vw, 2.4rem);
  font-weight: 700;
  line-height: 1.35;
  margin-bottom: 18px;
  background: linear-gradient(135deg, #fff 0%, var(--pink-blush) 50%, var(--pink-hot) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.page-hero .lead {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 720px;
  margin: 0 auto 28px;
}

.hero-badges {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin-bottom: 30px;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  background: var(--bg-glass);
  border: 1px solid var(--border-glow);
  border-radius: 20px;
  font-size: 0.82rem;
  color: var(--pink-soft);
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  background: linear-gradient(135deg, var(--pink-hot), var(--purple-deep));
  color: #fff;
  font-size: 1rem;
  font-weight: 600;
  border: none;
  border-radius: 28px;
  cursor: pointer;
  box-shadow: var(--shadow-pink);
  transition: all 0.25s;
  text-decoration: none;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 40px rgba(255, 61, 139, 0.4);
  color: #fff;
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 28px;
  background: transparent;
  color: var(--pink-soft);
  font-size: 0.95rem;
  font-weight: 500;
  border: 1px solid var(--border-glow);
  border-radius: 28px;
  cursor: pointer;
  transition: all 0.25s;
  text-decoration: none;
}

.btn-outline:hover {
  background: rgba(255, 61, 139, 0.1);
  color: var(--pink-hot);
  border-color: var(--pink-hot);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px;
}

/* ===== 内容模块 ===== */
.content-section {
  padding: 48px 0;
}

.section-header {
  margin-bottom: 32px;
}

.section-header h2 {
  font-size: clamp(1.3rem, 4vw, 1.75rem);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 10px;
  position: relative;
  display: inline-block;
}

.section-header h2::after {
  content: '';
  position: absolute;
  bottom: -6px;
  left: 0;
  width: 48px;
  height: 3px;
  background: linear-gradient(90deg, var(--pink-hot), var(--purple-glow));
  border-radius: 2px;
}

.section-header p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-top: 14px;
}

/* 纯文本块 */
.text-block {
  background: var(--bg-card);
  border: 1px solid var(--border-glow);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  backdrop-filter: blur(12px);
}

.text-block h3 {
  font-size: 1.15rem;
  color: var(--pink-soft);
  margin: 24px 0 12px;
}

.text-block h3:first-child { margin-top: 0; }

.text-block p {
  color: var(--text-secondary);
  margin-bottom: 14px;
  text-align: justify;
}

.text-block ul, .text-block ol {
  color: var(--text-secondary);
  padding-left: 22px;
  margin-bottom: 14px;
}

.text-block li { margin-bottom: 8px; }

/* 卡片网格 */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 20px;
  margin-top: 24px;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border-glow);
  border-radius: var(--radius-lg);
  padding: 26px 22px;
  backdrop-filter: blur(10px);
  transition: transform 0.25s, box-shadow 0.25s;
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-pink);
}

.feature-card .card-icon {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(255, 61, 139, 0.2), rgba(196, 77, 255, 0.15));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 16px;
}

.feature-card h3 {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 10px;
}

.feature-card p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.75;
}

/* 图文模块 */
.media-row {
  display: grid;
  grid-template-columns: 3fr 7fr;
  gap: 32px;
  align-items: start;
  margin-top: 24px;
}

.media-row.reverse { grid-template-columns: 7fr 3fr; }
.media-row.reverse .media-col { order: 2; }
.media-row.reverse .text-col { order: 1; }

.media-col img {
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-glow);
  box-shadow: var(--shadow-pink);
}

.media-col figcaption {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-align: center;
  margin-top: 10px;
}

.text-col h3 {
  font-size: 1.2rem;
  color: var(--pink-soft);
  margin-bottom: 14px;
}

.text-col p {
  color: var(--text-secondary);
  margin-bottom: 12px;
  text-align: justify;
}

/* 文本+卡片+配图 */
.combo-section {
  background: var(--bg-card);
  border: 1px solid var(--border-glow);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  backdrop-filter: blur(12px);
}

.combo-top {
  display: grid;
  grid-template-columns: 3fr 7fr;
  gap: 28px;
  align-items: center;
  margin-bottom: 28px;
}

.combo-top img {
  border-radius: var(--radius-md);
  border: 1px solid var(--border-glow);
}

.combo-intro p {
  color: var(--text-secondary);
  text-align: justify;
  margin-bottom: 12px;
}

/* 面包屑 */
.breadcrumb {
  padding: calc(var(--nav-h) + 20px) 0 0;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.breadcrumb a { color: var(--text-secondary); }
.breadcrumb a:hover { color: var(--pink-hot); }
.breadcrumb span { color: var(--pink-soft); }

/* 子页面 */
.subpage-content {
  padding: 30px 0 60px;
}

.subpage-content h1 {
  font-size: clamp(1.5rem, 4vw, 2rem);
  margin-bottom: 24px;
  color: var(--text-primary);
}

.subpage-content h2 {
  font-size: 1.25rem;
  color: var(--pink-soft);
  margin: 32px 0 14px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border-glow);
}

.subpage-content h3 {
  font-size: 1.05rem;
  color: var(--text-primary);
  margin: 22px 0 10px;
}

.subpage-content p {
  color: var(--text-secondary);
  margin-bottom: 14px;
  text-align: justify;
}

.subpage-content ul, .subpage-content ol {
  color: var(--text-secondary);
  padding-left: 24px;
  margin-bottom: 16px;
}

.subpage-content li { margin-bottom: 8px; }

.article-box {
  background: var(--bg-card);
  border: 1px solid var(--border-glow);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  backdrop-filter: blur(12px);
}

/* 页脚 */
.site-footer {
  position: relative;
  z-index: 1;
  background: rgba(8, 4, 12, 0.95);
  border-top: 1px solid var(--border-glow);
  padding: 48px 0 28px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 36px;
  margin-bottom: 36px;
}

.footer-brand img {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  margin-bottom: 14px;
}

.footer-brand p {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.7;
  max-width: 320px;
}

.footer-links h4 {
  font-size: 0.92rem;
  color: var(--pink-soft);
  margin-bottom: 14px;
  font-weight: 600;
}

.footer-links ul { list-style: none; }

.footer-links li { margin-bottom: 8px; }

.footer-links a {
  font-size: 0.88rem;
  color: var(--text-muted);
}

.footer-links a:hover { color: var(--pink-hot); }

.footer-bottom {
  border-top: 1px solid rgba(255, 61, 139, 0.12);
  padding-top: 22px;
  text-align: center;
  font-size: 0.82rem;
  color: var(--text-muted);
}

/* 错误页 */
.error-page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.error-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 40px 20px;
}

.error-code {
  font-size: clamp(4rem, 15vw, 8rem);
  font-weight: 700;
  background: linear-gradient(135deg, var(--pink-hot), var(--purple-glow));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
}

.error-content h1 {
  font-size: 1.4rem;
  margin: 16px 0 12px;
}

.error-content p {
  color: var(--text-secondary);
  margin-bottom: 28px;
  max-width: 480px;
}

/* 响应式 */
@media (min-width: 769px) {
  .sticky-ads-inner #sticky-ads > div {
    width: calc(12.5% - 7px);
  }
  .sticky-ads-inner #sticky-ads img {
    width: 58px;
    height: 58px;
  }
}

@media (max-width: 768px) {
  .header-inner {
    position: relative;
  }

  .menu-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-left: auto;
    flex-shrink: 0;
    order: 2;
    z-index: 1001;
    width: 44px;
    height: 44px;
  }

  .brand-link {
    order: 1;
  }

  .header-inner > nav {
    order: 3;
    position: absolute;
    left: 0;
    right: 0;
    top: 0;
    width: 0;
    height: 0;
    overflow: visible;
    pointer-events: none;
  }

  .header-inner > nav .nav-menu {
    pointer-events: none;
  }

  .header-inner > nav .nav-menu.open {
    pointer-events: auto;
  }

  .nav-menu {
    position: fixed;
    top: var(--nav-h);
    left: 0;
    right: 0;
    background: rgba(12, 6, 18, 0.98);
    flex-direction: column;
    padding: 16px;
    gap: 4px;
    border-bottom: 1px solid var(--border-glow);
    transform: translateY(-120%);
    opacity: 0;
    transition: all 0.3s;
    pointer-events: none;
  }

  .nav-menu.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .nav-menu a { width: 100%; text-align: center; padding: 12px; }

  .media-row,
  .media-row.reverse,
  .combo-top {
    grid-template-columns: 1fr;
  }

  .media-row.reverse .media-col,
  .media-row.reverse .text-col { order: unset; }

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

  .text-block, .article-box, .combo-section {
    padding: 24px 18px;
  }
}

@media (max-width: 480px) {
  .hero-badges { gap: 6px; }
  .badge { font-size: 0.75rem; padding: 5px 10px; }
}