/* ============================================================
   喵嗷漫画 · 全局样式表
   风格：萌系治愈 · 奶油粉彩 · 圆角卡片 · 毛玻璃 · 响应式
   ============================================================ */

/* ---------- CSS 变量 ---------- */
:root {
  --primary: #ff7b9c;
  --primary-light: #ffb6c1;
  --primary-dark: #e0567a;
  --accent: #ffb347;
  --bg: #fdf6f2;
  --bg-soft: #f8efe9;
  --card-bg: rgba(255, 255, 255, 0.82);
  --card-border: rgba(255, 255, 255, 0.6);
  --text: #2d2a26;
  --text-light: #6b645d;
  --shadow-sm: 0 4px 16px rgba(255, 123, 156, 0.08);
  --shadow-md: 0 8px 30px rgba(255, 123, 156, 0.14);
  --shadow-lg: 0 16px 48px rgba(255, 123, 156, 0.18);
  --radius-sm: 14px;
  --radius-md: 22px;
  --radius-lg: 32px;
  --transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --glass-blur: blur(14px) saturate(160%);
  --font-display: "Segoe UI", system-ui, -apple-system, sans-serif;
}

/* 暗色模式变量覆盖 */
body.dark {
  --primary: #ff8fab;
  --primary-light: #ffb3c6;
  --primary-dark: #ff5c8a;
  --bg: #1b1a1e;
  --bg-soft: #242226;
  --card-bg: rgba(40, 38, 44, 0.88);
  --card-border: rgba(255, 255, 255, 0.08);
  --text: #e8e4e0;
  --text-light: #a8a09a;
  --shadow-sm: 0 4px 16px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.5);
}

/* ---------- Reset & 基础 ---------- */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-display);
  background: var(--bg);
  color: var(--text);
  line-height: 1.75;
  font-size: 16px;
  min-height: 100vh;
  transition: background 0.4s ease, color 0.4s ease;
  overflow-x: hidden;
}

/* 背景装饰 - 柔光斑点 */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  background:
    radial-gradient(circle at 15% 20%, rgba(255, 182, 193, 0.12) 0%, transparent 50%),
    radial-gradient(circle at 85% 80%, rgba(255, 179, 71, 0.08) 0%, transparent 50%),
    radial-gradient(circle at 40% 60%, rgba(255, 123, 156, 0.05) 0%, transparent 40%);
  pointer-events: none;
  z-index: -1;
}

img,
svg {
  display: block;
  max-width: 100%;
}

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

a:hover {
  color: var(--primary-dark);
}

button {
  font-family: inherit;
  border: none;
  cursor: pointer;
  background: none;
}

input {
  font-family: inherit;
  border: none;
  outline: none;
}

h1, h2, h3, h4 {
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: -0.02em;
}

.container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- 滚动条 ---------- */
::-webkit-scrollbar {
  width: 10px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: var(--primary-light);
  border-radius: 20px;
  border: 2px solid var(--bg);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--primary);
}

/* ---------- 导航吸顶 ---------- */
.sticky-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(253, 246, 242, 0.72);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-bottom: 1px solid var(--card-border);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.03);
  transition: var(--transition);
}

body.dark .sticky-header {
  background: rgba(27, 26, 30, 0.75);
  border-bottom-color: rgba(255, 255, 255, 0.05);
}

.nav-wrap {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 0;
  gap: 16px;
}

.logo {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--primary);
  letter-spacing: -0.03em;
  display: flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
}

.logo::before {
  content: "";
  display: inline-block;
  width: 32px;
  height: 32px;
  background: linear-gradient(135deg, var(--primary-light), var(--primary));
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(255, 123, 156, 0.3);
}

.nav-links {
  display: flex;
  gap: 28px;
}

.nav-links a {
  color: var(--text);
  font-weight: 500;
  font-size: 0.95rem;
  position: relative;
  padding: 4px 2px;
}

.nav-links a::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0%;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
  transition: var(--transition);
}

.nav-links a:hover {
  color: var(--primary);
}

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

/* 搜索框 */
.search-box {
  display: flex;
  align-items: center;
  gap: 6px;
  background: rgba(255, 255, 255, 0.65);
  backdrop-filter: blur(8px);
  padding: 6px 8px 6px 16px;
  border-radius: 50px;
  border: 1px solid var(--card-border);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

body.dark .search-box {
  background: rgba(40, 38, 44, 0.7);
}

.search-box:focus-within {
  box-shadow: 0 0 0 3px rgba(255, 123, 156, 0.2);
  border-color: var(--primary-light);
}

.search-box input {
  background: transparent;
  color: var(--text);
  width: 150px;
  font-size: 0.9rem;
}

.search-box input::placeholder {
  color: var(--text-light);
  opacity: 0.7;
}

.search-box button {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  border-radius: 50px;
  padding: 6px 14px;
  font-size: 0.9rem;
  font-weight: 600;
  transition: var(--transition);
  box-shadow: 0 4px 12px rgba(255, 123, 156, 0.3);
}

.search-box button:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(255, 123, 156, 0.4);
}

.mobile-menu {
  display: none;
  font-size: 1.8rem;
  color: var(--text);
  width: 44px;
  height: 44px;
  border-radius: 12px;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.6);
  border: 1px solid var(--card-border);
  transition: var(--transition);
}

body.dark .mobile-menu {
  background: rgba(40, 38, 44, 0.6);
}

.mobile-menu:hover {
  background: var(--primary-light);
  color: #fff;
}

/* ---------- Hero 首屏 ---------- */
.hero {
  background: linear-gradient(145deg, #fff3f0, #ffe9e3, #fff0f5);
  border-radius: var(--radius-lg);
  margin: 28px 0;
  padding: 56px 48px;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-md);
  border: 1px solid rgba(255, 255, 255, 0.6);
}

body.dark .hero {
  background: linear-gradient(145deg, #2a2830, #322e36, #2d2a32);
  border-color: rgba(255, 255, 255, 0.05);
}

.hero::before {
  content: "🐾";
  position: absolute;
  top: -30px;
  right: -30px;
  font-size: 12rem;
  opacity: 0.08;
  transform: rotate(15deg);
  pointer-events: none;
}

.hero h1 {
  font-size: clamp(1.8rem, 4vw, 3rem);
  color: var(--primary);
  margin-bottom: 16px;
  letter-spacing: -0.02em;
  position: relative;
  z-index: 1;
}

.hero p {
  font-size: clamp(1rem, 1.5vw, 1.2rem);
  max-width: 720px;
  color: var(--text);
  position: relative;
  z-index: 1;
}

.hero-tags {
  display: flex;
  gap: 14px;
  margin-top: 28px;
  flex-wrap: wrap;
  position: relative;
  z-index: 1;
}

/* ---------- 标签 ---------- */
.tag {
  background: linear-gradient(135deg, #ffd9e2, #ffc4d4);
  color: #b3004b;
  padding: 6px 18px;
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  box-shadow: 0 2px 8px rgba(255, 123, 156, 0.15);
  transition: var(--transition);
}

body.dark .tag {
  background: linear-gradient(135deg, #3a2a32, #4a3038);
  color: #ffb3c6;
}

.tag:hover {
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 4px 16px rgba(255, 123, 156, 0.25);
}

/* ---------- 轮播 ---------- */
.banner-carousel {
  display: flex;
  gap: 20px;
  overflow-x: auto;
  padding: 24px 4px;
  scroll-snap-type: x mandatory;
  scrollbar-width: thin;
  scrollbar-color: var(--primary-light) transparent;
}

.banner-carousel::-webkit-scrollbar {
  height: 6px;
}

.banner-carousel::-webkit-scrollbar-thumb {
  background: var(--primary-light);
  border-radius: 10px;
}

.banner-item {
  min-width: 300px;
  background: var(--card-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-radius: var(--radius-md);
  padding: 20px;
  scroll-snap-align: start;
  border: 1px solid var(--card-border);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  flex-shrink: 0;
}

.banner-item:hover {
  transform: translateY(-6px) rotate(-1deg);
  box-shadow: var(--shadow-lg);
}

.banner-item svg {
  border-radius: var(--radius-sm);
  margin-bottom: 12px;
}

.banner-item p {
  font-weight: 600;
  color: var(--text);
  font-size: 0.95rem;
}

/* ---------- 网格布局 ---------- */
.grid-2,
.grid-3 {
  display: grid;
  gap: 24px;
}

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

.grid-3 {
  grid-template-columns: repeat(3, 1fr);
}

/* ---------- 卡片 ---------- */
.article-card,
.info-card {
  background: var(--card-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-radius: var(--radius-md);
  padding: 24px;
  border: 1px solid var(--card-border);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  overflow: hidden;
  position: relative;
}

.article-card:hover,
.info-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-light);
}

.article-card svg {
  border-radius: var(--radius-sm);
  margin-bottom: 14px;
  transition: var(--transition);
}

.article-card:hover svg {
  transform: scale(1.03);
}

.article-card h3 {
  font-size: 1.15rem;
  margin-bottom: 8px;
  color: var(--text);
}

.article-card p {
  color: var(--text-light);
  font-size: 0.9rem;
}

.article-card time {
  font-size: 0.8rem;
  color: var(--text-light);
  opacity: 0.7;
  display: inline-block;
  margin-bottom: 8px;
}

/* ---------- 区块标题 ---------- */
section h2 {
  font-size: clamp(1.5rem, 3vw, 2.1rem);
  margin: 48px 0 24px;
  position: relative;
  display: inline-block;
  padding-bottom: 10px;
}

section h2::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 60%;
  height: 4px;
  background: linear-gradient(90deg, var(--primary), var(--primary-light), transparent);
  border-radius: 4px;
}

/* ---------- 数字统计 ---------- */
.stat-number {
  font-size: 2.8rem;
  font-weight: 800;
  color: var(--primary);
  display: inline-block;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  transition: var(--transition);
}

/* ---------- FAQ ---------- */
.faq-item {
  background: var(--card-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-radius: var(--radius-md);
  padding: 20px 24px;
  margin-bottom: 14px;
  border: 1px solid var(--card-border);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.faq-item:hover {
  border-color: var(--primary-light);
  box-shadow: var(--shadow-md);
}

.faq-item summary {
  cursor: pointer;
  font-weight: 600;
  font-size: 1rem;
  color: var(--text);
  list-style: none;
  display: flex;
  align-items: center;
  gap: 10px;
  transition: var(--transition);
}

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

.faq-item summary::before {
  content: "❓";
  font-size: 1.1rem;
  transition: transform 0.3s ease;
}

.faq-item[open] summary::before {
  transform: rotate(90deg);
}

.faq-item p {
  margin-top: 12px;
  padding-left: 28px;
  color: var(--text-light);
  font-size: 0.95rem;
}

/* ---------- HowTo ---------- */
.howto-steps {
  list-style: none;
  padding-left: 0;
  counter-reset: step;
}

.howto-steps li {
  counter-increment: step;
  padding: 10px 0 10px 44px;
  position: relative;
  border-bottom: 1px dashed rgba(255, 123, 156, 0.2);
}

.howto-steps li:last-child {
  border-bottom: none;
}

.howto-steps li::before {
  content: counter(step);
  position: absolute;
  left: 0;
  top: 10px;
  width: 28px;
  height: 28px;
  background: linear-gradient(135deg, var(--primary-light), var(--primary));
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  font-weight: 700;
  box-shadow: 0 2px 8px rgba(255, 123, 156, 0.3);
}

/* ---------- 页脚 ---------- */
.footer {
  background: linear-gradient(135deg, #1f1f1f, #2a2a2a);
  color: #ccc;
  padding: 48px 0;
  margin-top: 64px;
  border-top: 3px solid var(--primary);
}

body.dark .footer {
  background: linear-gradient(135deg, #111, #1a1a1a);
}

.footer a {
  color: #bbb;
  transition: var(--transition);
}

.footer a:hover {
  color: var(--primary-light);
}

.footer .container {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 28px;
}

.footer p {
  margin-bottom: 6px;
  font-size: 0.9rem;
}

/* ---------- 返回顶部 ---------- */
.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: white;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  box-shadow: 0 6px 20px rgba(255, 123, 156, 0.4);
  z-index: 999;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: var(--transition);
  font-size: 1.2rem;
}

.back-to-top.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  transform: translateY(-4px) scale(1.05);
  box-shadow: 0 10px 30px rgba(255, 123, 156, 0.5);
}

/* ---------- 暗黑模式切换按钮 ---------- */
.dark-toggle {
  position: fixed;
  bottom: 90px;
  right: 30px;
  z-index: 999;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  border-radius: 50%;
  width: 48px;
  height: 48px;
  font-size: 1.4rem;
  color: white;
  box-shadow: 0 6px 20px rgba(255, 123, 156, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.dark-toggle:hover {
  transform: rotate(20deg) scale(1.1);
}

/* ---------- 滚动动画 ---------- */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.visible {
  opacity: 1;
  transform: none;
}

/* 延迟动画 */
.reveal[data-delay="1"] { transition-delay: 0.1s; }
.reveal[data-delay="2"] { transition-delay: 0.2s; }
.reveal[data-delay="3"] { transition-delay: 0.3s; }
.reveal[data-delay="4"] { transition-delay: 0.4s; }
.reveal[data-delay="5"] { transition-delay: 0.5s; }

/* ---------- 联系区块 ---------- */
#contact > div {
  background: var(--card-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-radius: var(--radius-md);
  padding: 28px;
  border: 1px solid var(--card-border);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

#contact > div:hover {
  box-shadow: var(--shadow-md);
}

#contact strong {
  color: var(--text);
}

/* ---------- 文章网格自适应 ---------- */
#articles > div {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}

/* ---------- 装饰分隔线 ---------- */
.divider {
  width: 80px;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--primary-light), transparent);
  border-radius: 3px;
  margin: 24px 0;
}

/* ---------- 响应式 ---------- */
@media (max-width: 1024px) {
  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }

  .hero {
    padding: 40px 32px;
  }
}

@media (max-width: 900px) {
  .nav-links {
    display: none;
  }

  .mobile-menu {
    display: flex;
  }

  .search-box input {
    width: 110px;
  }

  .banner-item {
    min-width: 260px;
  }

  .footer .container {
    flex-direction: column;
    gap: 20px;
  }
}

@media (max-width: 640px) {
  .container {
    padding: 0 16px;
  }

  .grid-2,
  .grid-3 {
    grid-template-columns: 1fr;
  }

  .hero {
    padding: 32px 24px;
    border-radius: var(--radius-md);
  }

  .hero h1 {
    font-size: 1.6rem;
  }

  .hero p {
    font-size: 0.95rem;
  }

  .banner-item {
    min-width: 220px;
    padding: 16px;
  }

  .search-box input {
    width: 80px;
  }

  .logo {
    font-size: 1.3rem;
  }

  .logo::before {
    width: 26px;
    height: 26px;
  }

  .back-to-top,
  .dark-toggle {
    width: 42px;
    height: 42px;
    right: 20px;
  }

  .back-to-top {
    bottom: 20px;
  }

  .dark-toggle {
    bottom: 72px;
  }

  .stat-number {
    font-size: 2.2rem;
  }

  section h2 {
    font-size: 1.4rem;
    margin: 36px 0 20px;
  }

  .article-card,
  .info-card,
  .faq-item {
    padding: 18px;
  }

  .banner-carousel {
    padding: 16px 2px;
  }
}

@media (max-width: 400px) {
  .search-box {
    display: none;
  }

  .nav-wrap {
    gap: 8px;
  }

  .hero-tags {
    flex-direction: column;
    align-items: flex-start;
  }
}

/* ---------- 悬停增强 ---------- */
@media (hover: hover) {
  .banner-item:hover svg {
    transform: scale(1.02);
  }
}

/* ---------- 减少动画偏好 ---------- */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}

/* ---------- 打印样式 ---------- */
@media print {
  .sticky-header,
  .back-to-top,
  .dark-toggle,
  .banner-carousel,
  .search-box,
  .mobile-menu {
    display: none !important;
  }

  body {
    background: white;
    color: black;
  }

  .article-card,
  .info-card,
  .faq-item {
    box-shadow: none;
    border: 1px solid #ddd;
    break-inside: avoid;
  }
}