```css
/* ============================================================
   momo漫画 - 治愈系少女漫小窝
   style.css - 全站样式表
   设计方向：柔和粉彩 + 毛玻璃 + 渐变光晕 + 圆角卡片
   ============================================================ */

/* ---------- 1. CSS Reset ---------- */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

body {
  min-height: 100vh;
  font-family: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB",
    "Noto Sans SC", "Source Han Sans SC", sans-serif;
  line-height: 1.9;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  text-decoration: none;
  color: inherit;
}

ul,
ol {
  list-style: none;
}

button {
  font-family: inherit;
  cursor: pointer;
}

input,
textarea,
select {
  font-family: inherit;
}

::selection {
  background: rgba(232, 130, 154, 0.28);
  color: inherit;
}

/* ---------- 2. Design Tokens ---------- */
:root {
  /* 主色 */
  --pink: #f7a8b8;
  --pink-deep: #e8829a;
  --pink-soft: #fde3e9;
  --pink-glow: rgba(232, 130, 154, 0.18);

  /* 中性色 */
  --cream: #fff8f5;
  --ink: #3a3038;
  --gray: #8a7f86;
  --gray-light: #b8adb4;
  --bg: #fffdfc;
  --card: #ffffff;
  --line: #f0e2e6;

  /* 渐变 */
  --grad-hero: linear-gradient(135deg, #fff8f5 0%, #fdeef2 38%, #fffdfc 100%);
  --grad-banner: linear-gradient(130deg, #f7a8b8 0%, #f5b8c8 45%, #c9b6e8 100%);
  --grad-card: linear-gradient(160deg, rgba(255, 255, 255, 0.92), rgba(253, 227, 233, 0.55));
  --grad-btn: linear-gradient(135deg, #e8829a 0%, #f7a8b8 100%);
  --grad-thumb: linear-gradient(135deg, #fff8f5 0%, #fde3e9 60%, #f4d9f0 100%);

  /* 毛玻璃 */
  --glass-bg: rgba(255, 253, 252, 0.72);
  --glass-border: rgba(255, 255, 255, 0.65);
  --glass-blur: 16px;

  /* 阴影 */
  --shadow-sm: 0 2px 8px rgba(232, 130, 154, 0.08);
  --shadow-md: 0 8px 24px rgba(232, 130, 154, 0.13);
  --shadow-lg: 0 18px 44px rgba(232, 130, 154, 0.2);
  --shadow-glow: 0 10px 28px rgba(232, 130, 154, 0.32);

  /* 圆角 */
  --r-sm: 10px;
  --r-md: 16px;
  --r-lg: 22px;
  --r-xl: 28px;
  --r-pill: 999px;

  /* 动效 */
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
  --dur: 0.32s;

  /* 布局 */
  --wrap: 1180px;
  --header-h: 68px;
}

/* ---------- 3. 暗色模式 ---------- */
[data-theme="dark"] {
  --pink: #d98fa3;
  --pink-deep: #c4718a;
  --pink-soft: #3a2c33;
  --pink-glow: rgba(196, 113, 138, 0.22);

  --cream: #2a2228;
  --ink: #f2e8ec;
  --gray: #b0a3aa;
  --gray-light: #7d7079;
  --bg: #1c171b;
  --card: #251f24;
  --line: #3a3038;

  --grad-hero: linear-gradient(135deg, #1c171b 0%, #2a2228 45%, #1c171b 100%);
  --grad-banner: linear-gradient(130deg, #5a3a48 0%, #6b4a5c 45%, #4a3a5c 100%);
  --grad-card: linear-gradient(160deg, rgba(37, 31, 36, 0.94), rgba(58, 44, 51, 0.6));
  --grad-btn: linear-gradient(135deg, #c4718a 0%, #d98fa3 100%);
  --grad-thumb: linear-gradient(135deg, #2a2228 0%, #3a2c33 60%, #33283a 100%);

  --glass-bg: rgba(37, 31, 36, 0.72);
  --glass-border: rgba(255, 255, 255, 0.08);

  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.24);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.34);
  --shadow-lg: 0 18px 44px rgba(0, 0, 0, 0.46);
  --shadow-glow: 0 10px 28px rgba(196, 113, 138, 0.34);
}

/* ---------- 4. 基础排版 ---------- */
body {
  background: var(--bg);
  color: var(--ink);
  transition: background-color 0.4s var(--ease), color 0.4s var(--ease);
  font-size: 16px;
}

/* 背景柔和光晕装饰 */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(560px 420px at 8% -4%, rgba(247, 168, 184, 0.22), transparent 70%),
    radial-gradient(520px 400px at 96% 12%, rgba(201, 182, 232, 0.18), transparent 72%),
    radial-gradient(680px 520px at 50% 108%, rgba(253, 227, 233, 0.4), transparent 72%);
  transition: opacity 0.4s var(--ease);
}

[data-theme="dark"] body::before {
  background:
    radial-gradient(560px 420px at 8% -4%, rgba(196, 113, 138, 0.16), transparent 70%),
    radial-gradient(520px 400px at 96% 12%, rgba(122, 104, 156, 0.16), transparent 72%),
    radial-gradient(680px 520px at 50% 108%, rgba(90, 58, 72, 0.24), transparent 72%);
}

h1,
h2,
h3,
h4 {
  line-height: 1.45;
  font-weight: 700;
  letter-spacing: 0.2px;
  color: var(--ink);
}

p {
  color: var(--gray);
}

/* ---------- 5. 布局容器 ---------- */
.wrap {
  width: 100%;
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 20px;
}

/* ---------- 6. 顶部导航（毛玻璃） ---------- */
header.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--glass-bg);
  -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(180%);
  backdrop-filter: blur(var(--glass-blur)) saturate(180%);
  border-bottom: 1px solid var(--glass-border);
  box-shadow: 0 1px 0 var(--line), 0 6px 20px rgba(232, 130, 154, 0.06);
  transition: background-color 0.4s var(--ease), border-color 0.4s var(--ease);
}

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

/* Logo */
.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 20px;
  letter-spacing: 0.5px;
  color: var(--pink-deep);
  white-space: nowrap;
  transition: transform var(--dur) var(--ease), opacity var(--dur) var(--ease);
}

.logo:hover {
  transform: translateY(-1px);
  opacity: 0.88;
}

.logo svg {
  width: 34px;
  height: 34px;
  flex: 0 0 34px;
  border-radius: 50%;
  box-shadow: 0 4px 12px rgba(232, 130, 154, 0.3);
  transition: transform 0.5s var(--ease);
}

.logo:hover svg {
  transform: rotate(-8deg) scale(1.06);
}

/* 导航链接 */
.nav-links {
  display: flex;
  align-items: center;
  gap: 22px;
  font-size: 15px;
  font-weight: 500;
}

.nav-links a {
  position: relative;
  padding: 6px 2px;
  color: var(--ink);
  opacity: 0.82;
  transition: color var(--dur) var(--ease), opacity var(--dur) var(--ease);
}

.nav-links a::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 0;
  width: 0;
  height: 2px;
  border-radius: 2px;
  background: var(--grad-btn);
  transform: translateX(-50%);
  transition: width var(--dur) var(--ease);
}

.nav-links a:hover,
.nav-links a:focus-visible {
  color: var(--pink-deep);
  opacity: 1;
  outline: none;
}

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

/* 导航工具区 */
.nav-tools {
  display: flex;
  align-items: center;
  gap: 10px;
}

.search-box {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 5px 14px;
  border: 1px solid var(--line);
  border-radius: var(--r-pill);
  background: var(--glass-bg);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.search-box:focus-within {
  border-color: var(--pink);
  box-shadow: 0 0 0 4px var(--pink-glow);
}

.search-box input {
  width: 120px;
  border: 0;
  outline: 0;
  background: transparent;
  color: var(--ink);
  font-size: 14px;
  line-height: 1.6;
}

.search-box input::placeholder {
  color: var(--gray-light);
}

.icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: var(--card);
  color: var(--ink);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease),
    background-color var(--dur) var(--ease), transform var(--dur) var(--ease),
    box-shadow var(--dur) var(--ease);
}

.icon-btn:hover {
  color: var(--pink-deep);
  border-color: var(--pink);
  background: var(--pink-soft);
  transform: translateY(-2px) rotate(6deg);
  box-shadow: var(--shadow-sm);
}

.icon-btn:active {
  transform: translateY(0) scale(0.94);
}

.icon-btn:focus-visible {
  outline: 2px solid var(--pink-deep);
  outline-offset: 2px;
}

.menu-toggle {
  display: none;
}

/* ---------- 7. 面包屑 ---------- */
.breadcrumb {
  font-size: 13px;
  color: var(--gray);
  padding: 16px 20px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
}

.breadcrumb a {
  color: var(--gray);
  transition: color var(--dur) var(--ease);
}

.breadcrumb a:hover {
  color: var(--pink-deep);
}

.breadcrumb span {
  color: var(--pink-deep);
  font-weight: 600;
}

/* ---------- 8. Hero 渐变 Banner ---------- */
.hero {
  position: relative;
  overflow: hidden;
  padding: 72px 0 64px;
  background: var(--grad-hero);
  transition: background 0.5s var(--ease);
}

/* 装饰光斑 */
.hero::before,
.hero::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
  filter: blur(60px);
  opacity: 0.7;
}

.hero::before {
  width: 420px;
  height: 420px;
  top: -160px;
  left: -120px;
  background: radial-gradient(circle, rgba(247, 168, 184, 0.55), transparent 68%);
  animation: floatBlob 14s ease-in-out infinite;
}

.hero::after {
  width: 360px;
  height: 360px;
  bottom: -150px;
  right: -80px;
  background: radial-gradient(circle, rgba(201, 182, 232, 0.5), transparent 68%);
  animation: floatBlob 18s ease-in-out infinite reverse;
}

@keyframes floatBlob {
  0%,
  100% {
    transform: translate3d(0, 0, 0) scale(1);
  }
  50% {
    transform: translate3d(28px, -22px, 0) scale(1.08);
  }
}

.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 50px;
  align-items: center;
}

.hero h1 {
  font-size: 38px;
  line-height: 1.38;
  margin-bottom: 18px;
  letter-spacing: 0.5px;
  animation: fadeUp 0.8s var(--ease) both;
}

.hero h1 em {
  position: relative;
  font-style: normal;
  color: var(--pink-deep);
  background: linear-gradient(120deg, var(--pink-deep), #b98ad6);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero p.lead {
  max-width: 560px;
  margin-bottom: 26px;
  font-size: 17px;
  color: var(--gray);
  animation: fadeUp 0.8s 0.12s var(--ease) both;
}

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(22px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* CTA 按钮 */
.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  animation: fadeUp 0.8s 0.2s var(--ease) both;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 12px 26px;
  border: 0;
  border-radius: var(--r-pill);
  font-size: 15px;
  font-weight: 600;
  line-height: 1.6;
  letter-spacing: 0.3px;
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease),
    background-color var(--dur) var(--ease), color var(--dur) var(--ease),
    border-color var(--dur) var(--ease);
}

.btn-primary {
  color: #fff;
  background: var(--grad-btn);
  background-size: 160% 160%;
  box-shadow: var(--shadow-glow);
}

.btn-primary:hover {
  transform: translateY(-3px);
  background-position: 100% 0;
  box-shadow: 0 16px 34px rgba(232, 130, 154, 0.46);
}

.btn-primary:active {
  transform: translateY(-1px) scale(0.99);
}

.btn-ghost {
  color: var(--pink-deep);
  background: transparent;
  border: 1px solid var(--pink);
}

.btn-ghost:hover {
  color: #fff;
  background: var(--pink-deep);
  border-color: var(--pink-deep);
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.btn:focus-visible {
  outline: 2px solid var(--pink-deep);
  outline-offset: 3px;
}

/* Hero 数据统计 */
.hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 34px;
  margin-top: 38px;
  animation: fadeUp 0.8s 0.3s var(--ease) both;
}

.stat b {
  display: block;
  font-size: 26px;
  font-weight: 800;
  line-height: 1.3;
  color: var(--pink-deep);
  font-variant-numeric: tabular-nums;
}

.stat span {
  font-size: 13px;
  color: var(--gray);
}

/* Hero 视觉区 */
.hero-visual {
  position: relative;
  animation: fadeUp 0.9s 0.18s var(--ease) both;
}

.hero-visual .frame {
  position: relative;
  border-radius: var(--r-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  transition: transform 0.5s var(--ease), box-shadow 0.5s var(--ease);
}

.hero-visual .frame::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  border: 1px solid var(--glass-border);
  pointer-events: none;
}

.hero-visual .frame:hover {
  transform: translateY(-6px) scale(1.012);
  box-shadow: 0 26px 60px rgba(232, 130, 154, 0.3);
}

/* 轮播 */
.carousel {
  position: relative;
  height: 340px;
  border-radius: var(--r-xl);
  overflow: hidden;
  background: var(--grad-card);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
}

.slide {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 30px;
  opacity: 0;
  transform: scale(1.04);
  transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
  pointer-events: none;
}

.slide.active {
  opacity: 1;
  transform: scale(1);
  pointer-events: auto;
}

.slide > div {
  text-align: center;
}

.slide svg {
  margin: 0 auto;
  filter: drop-shadow(0 10px 22px rgba(232, 130, 154, 0.28));
  animation: bob 4.5s ease-in-out infinite;
}

@keyframes bob {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-8px);
  }
}

.slide h3 {
  margin-top: 14px;
  font-size: 22px;
  text-align: center;
  color: var(--pink-deep);
}

.slide p {
  margin-top: 6px;
  font-size: 14px;
  text-align: center;
  color: var(--gray);
}

/* 轮播指示点 */
.dots {
  position: absolute;
  left: 50%;
  bottom: 14px;
  display: flex;
  gap: 8px;
  transform: translateX(-50%);
  z-index: 2;
}

.dots span {
  width: 9px;
  height: 9px;
  border-radius: var(--r-pill);
  background: rgba(232, 130, 154, 0.35);
  cursor: pointer;
  transition: width var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.dots span:hover {
  background: rgba(232, 130, 154, 0.6);
}

.dots span.on {
  width: 22px;
  background: var(--pink-deep);
}

/* ---------- 9. 通用区块 ---------- */
section.block {
  position: relative;
  padding: 66px 0;
}

.sec-head {
  max-width: 720px;
  margin: 0 auto 42px;
  text-align: center;
}

.sec-head h2 {
  position: relative;
  margin-bottom: 12px;
  font-size: 28px;
  letter-spacing: 0.3px;
}

.sec-head h2::after {
  content: "";
  display: block;
  width: 44px;
  height: 3px;
  margin: 12px auto 0;
  border-radius: 2px;
  background: var(--grad-btn);
  transition: width var(--dur) var(--ease);
}

.sec-head:hover h2::after {
  width: 72px;
}

.sec-head p {
  font-size: 15px;
  color: var(--gray);
}

/* 网格 */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}

/* ---------- 10. 卡片（毛玻璃 + 圆角 + Hover） ---------- */
.card {
  position: relative;
  overflow: hidden;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: var(--grad-card);
  -webkit-backdrop-filter: blur(12px) saturate(140%);
  backdrop-filter: blur(12px) saturate(140%);
  box-shadow: var(--shadow-sm);
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease),
    border-color var(--dur) var(--ease);
}

.card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--grad-btn);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 0.45s var(--ease);
}

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

.card:hover::before {
  transform: scaleX(1);
}

.card h3 {
  margin-bottom: 10px;
  font-size: 18px;
  color: var(--pink-deep);
}

.card h4 {
  margin: 14px 0 6px;
  font-size: 15px;
  color: var(--ink);
}

.card p {
  font-size: 14.5px;
  color: var(--gray);
}

.card p + p {
  margin-top: 10px;
}

.card p b {
  color: var(--ink);
  font-weight: 600;
}

/* 标签 */
.tag {
  display: inline-block;
  margin: 0 6px 6px 0;
  padding: 3px 10px;
  border-radius: var(--r-pill);
  font-size: 12px;
  color: var(--pink-deep);
  background: var(--pink-glow);
  transition: background-color var(--dur) var(--ease), color var(--dur) var(--ease),
    transform var(--dur) var(--ease);
}

.tag:hover {
  color: #fff;
  background: var(--pink-deep);
  transform: translateY(-2px);
}

/* ---------- 11. 时间线 ---------- */
.timeline {
  position: relative;
  padding-left: 26px;
  border-left: 2px solid var(--line);
}

.timeline-item {
  position: relative;
  padding-bottom: 26px;
}

.timeline-item:last-child {
  padding-bottom: 0;
}

.timeline-item::before {
  content: "";
  position: absolute;
  top: 6px;
  left: -33px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--pink-deep);
  border: 3px solid var(--bg);
  box-shadow: 0 0 0 3px var(--pink-glow);
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.timeline-item:hover::before {
  transform: scale(1.25);
  box-shadow: 0 0 0 6px var(--pink-glow);
}

.timeline-item b {
  font-size: 16px;
  color: var(--pink-deep);
}

.timeline-item p {
  margin-top: 4px;
  font-size: 14.5px;
  color: var(--gray);
}

/* ---------- 12. 文章卡片 ---------- */
.article-card {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--card);
  box-shadow: var(--shadow-sm);
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease),
    border-color var(--dur) var(--ease);
}

.article-card:hover {
  transform: translateY(-5px);
  border-color: var(--pink);
  box-shadow: var(--shadow-md);
}

.article-card .thumb {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 150px;
  overflow: hidden;
  background: var(--grad-thumb);
}

.article-card .thumb svg {
  transition: transform 0.55s var(--ease);
}

.article-card:hover .thumb svg {
  transform: scale(1.12) rotate(-4deg);
}

.article-card .body {
  display: flex;
  flex: 1;
  flex-direction: column;
  padding: 20px;
}

.article-card .meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 8px;
  font-size: 12.5px;
  color: var(--gray-light);
}

.article-card .meta span:last-child {
  color: var(--pink-deep);
  font-weight: 600;
}

.article-card h3 {
  margin-bottom: 8px;
  font-size: 16.5px;
  line-height: 1.55;
  transition: color var(--dur) var(--ease);
}

.article-card:hover h3 {
  color: var(--pink-deep);
}

.article-card p {
  flex: 1;
  margin-bottom: 14px;
  font-size: 14px;
  color: var(--gray);
}

.read-more {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 14px;
  font-weight: 600;
  color: var(--pink-deep);
  transition: gap var(--dur) var(--ease), opacity var(--dur) var(--ease);
}

.read-more:hover {
  gap: 10px;
  opacity: 0.82;
}

/* ---------- 13. FAQ 手风琴 ---------- */
.faq-item {
  margin-bottom: 12px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--card);
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease),
    background-color var(--dur) var(--ease);
}

.faq-item:hover {
  border-color: var(--pink);
  box-shadow: var(--shadow-sm);
}

.faq-item.open {
  border-color: var(--pink);
  box-shadow: var(--shadow-md);
}

.faq-q {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  width: 100%;
  padding: 18px 22px;
  border: 0;
  background: transparent;
  color: var(--ink);
  font-size: 15.5px;
  font-weight: 600;
  line-height: 1.6;
  text-align: left;
  transition: color var(--dur) var(--ease);
}

.faq-q:hover {
  color: var(--pink-deep);
}

.faq-q:focus-visible {
  outline: 2px solid var(--pink-deep);
  outline-offset: -2px;
}

.faq-q .mark {
  flex: 0 0 auto;
  font-size: 20px;
  font-weight: 400;
  line-height: 1;
  color: var(--pink-deep);
  transition: transform 0.35s var(--ease);
}

.faq-item.open .mark {
  transform: rotate(45deg);
}

.faq-a {
  max-height: 0;
  overflow: hidden;
  padding: 0 22px;
  font-size: 14.5px;
  color: var(--gray);
  transition: max-height 0.4s var(--ease), padding 0.4s var(--ease);
}

.faq-item.open .faq-a {
  max-height: 340px;
  padding-bottom: 18px;
}

.faq-a p {
  font-size: 14.5px;
  color: var(--gray);
}

/* ---------- 14. 步骤流程 ---------- */
.steps {
  counter-reset: step;
}

.step {
  display: flex;
  gap: 18px;
  padding: 18px 0;
  border-bottom: 1px dashed var(--line);
  transition: transform var(--dur) var(--ease);
}

.step:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.step:hover {
  transform: translateX(4px);
}

.step-num {
  counter-increment: step;
  display: flex;
  flex: 0 0 40px;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  color: #fff;
  font-weight: 700;
  background: var(--grad-btn);
  box-shadow: 0 6px 16px rgba(232, 130, 154, 0.3);
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.step:hover .step-num {
  transform: scale(1.08) rotate(-6deg);
  box-shadow: 0 10px 22px rgba(232, 130, 154, 0.42);
}

.step-num::before {
  content: counter(step);
}

.step h4 {
  margin-bottom: 4px;
  font-size: 16px;
}

.step p {
  font-size: 14px;
  color: var(--gray);
}

/* ---------- 15. 联系区 ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 30px;
}

.contact-info {
  margin: 0;
}

.contact-info li {
  display: flex;
  gap: 10px;
  padding: 12px 0;
  border-bottom: 1px dashed var(--line);
  font-size: 14.5px;
  color: var(--gray);
  transition: color var(--dur) var(--ease), padding-left var(--dur) var(--ease);
}

.contact-info li:last-child {
  border-bottom: 0;
}

.contact-info li:hover {
  padding-left: 4px;
  color: var(--ink);
}

.contact-info li b {
  flex: 0 0 80px;
  min-width: 80px;
  color: var(--pink-deep);
  font-weight: 600;
}

.contact-info li a {
  color: var(--gray);
  transition: color var(--dur) var(--ease);
}

.contact-info li a:hover {
  color: var(--pink-deep);
}

/* 表单 */
.contact-form input,
.contact-form textarea {
  width: 100%;
  margin-bottom: 14px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  background: var(--bg);
  color: var(--ink);
  font-size: 14px;
  line-height: 1.7;
  outline: 0;
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease),
    background-color var(--dur) var(--ease);
}

.contact-form textarea {
  resize: vertical;
  min-height: 120px;
}

.contact-form input::placeholder,
.contact-form textarea::placeholder {
  color: var(--gray-light);
}

.contact-form input:focus,
.contact-form textarea:focus {
  border-color: var(--pink);
  box-shadow: 0 0 0 4px var(--pink-glow);
}

.contact-form .btn {
  width: 100%;
}

/* ---------- 16. 页脚 ---------- */
footer.site-footer {
  margin-top: 30px;
  padding: 52px 0 24px;
  background: var(--cream);
  border-top: 1px solid var(--line);
  transition: background-color 0.4s var(--ease), border-color 0.4s var(--ease);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 32px;
}

footer h4 {
  margin-bottom: 14px;
  font-size: 15px;
  color: var(--pink-deep);
}

footer p {
  font-size: 13.5px;
  color: var(--gray);
  line-height: 1.9;
}

footer ul {
  margin: 0;
  padding: 0;
}

footer li {
  margin-bottom: 9px;
  font-size: 13.5px;
  color: var(--gray);
}

footer li a {
  display: inline-block;
  color: var(--gray);
  transition: color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

footer li a:hover {
  color: var(--pink-deep);
  transform: translateX(3px);
}

.footer-bottom {
  margin-top: 34px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
  text-align: center;
  font-size: 13px;
  line-height: 2;
  color: var(--gray);
}

.footer-bottom p {
  font-size: 13px;
  color: var(--gray);
}

/* ---------- 17. 返回顶部 ---------- */
#backTop {
  position: fixed;
  right: 22px;
  bottom: 26px;
  z-index: 120;
  display: none;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  border: 0;
  border-radius: 50%;
  color: #fff;
  background: var(--grad-btn);
  box-shadow: 0 10px 24px rgba(232, 130, 154, 0.4);
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease),
    opacity var(--dur) var(--ease);
}

#backTop.show {
  display: flex;
  animation: popIn 0.32s var(--ease) both;
}

#backTop:hover {
  transform: translateY(-4px) scale(1.06);
  box-shadow: 0 16px 32px rgba(232, 130, 154, 0.5);
}

#backTop:active {
  transform: translateY(-1px) scale(0.96);
}

#backTop:focus-visible {
  outline: 2px solid var(--pink-deep);
  outline-offset: 3px;
}

@keyframes popIn {
  from {
    opacity: 0;
    transform: translateY(14px) scale(0.8);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

/* ---------- 18. 滚动进入动画 ---------- */
.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
  will-change: opacity, transform;
}

.reveal.show {
  opacity: 1;
  transform: translateY(0);
}

/* 网格内卡片错峰出现 */
.grid-3 .reveal:nth-child(3n + 2),
.grid-2 .reveal:nth-child(2n) {
  transition-delay: 0.08s;
}

.grid-3 .reveal:nth-child(3n + 3) {
  transition-delay: 0.16s;
}

/* ---------- 19. 无障碍与动效降级 ---------- */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }

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

/* ---------- 20. 响应式：平板 ---------- */
@media (max-width: 1024px) {
  .hero h1 {
    font-size: 32px;
  }

  .grid-3 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .footer-grid {
    grid-template-columns: 1.2fr 1fr 1fr;
  }
}

/* ---------- 21. 响应式：手机 ---------- */
@media (max-width: 900px) {
  :root {
    --header-h: 64px;
  }

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

  /* 移动端导航抽屉 */
  .nav-links {
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    padding: 16px 20px 22px;
    background: var(--glass-bg);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid var(--line);
    box-shadow: 0 18px 36px rgba(232, 130, 154, 0.14);
    animation: slideDown 0.3s var(--ease) both;
  }

  .nav-links.open {
    display: flex;
  }

  .nav-links a {
    padding: 12px 8px;
    border-radius: var(--r-sm);
    font-size: 15.5px;
  }

  .nav-links a::after {
    display: none;
  }

  .nav-links a:hover {
    background: var(--pink-glow);
  }

  @keyframes slideDown {
    from {
      opacity: 0;
      transform: translateY(-10px);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }

  .menu-toggle {
    display: inline-flex;
  }

  .search-box {
    display: none;
  }

  .hero {
    padding: 44px 0 48px;
  }

  .hero h1 {
    font-size: 27px;
    line-height: 1.42;
  }

  .hero p.lead {
    font-size: 15.5px;
  }

  .hero-stats {
    gap: 24px;
    margin-top: 28px;
  }

  .stat b {
    font-size: 22px;
  }

  .carousel {
    height: 300px;
  }

  section.block {
    padding: 48px 0;
  }

  .sec-head {
    margin-bottom: 30px;
  }

  .sec-head h2 {
    font-size: 23px;
  }

  .sec-head p {
    font-size: 14.5px;
  }

  .card {
    padding: 22px;
  }

  .contact-grid {
    gap: 20px;
  }

  .footer-grid {
    gap: 26px;
  }

  .footer-bottom {
    margin-top: 26px;
  }

  #backTop {
    right: 16px;
    bottom: 18px;
    width: 42px;
    height: 42px;
  }
}

/* ---------- 22. 响应式：小屏手机 ---------- */
@media (max-width: 480px) {
  .wrap {
    padding: 0 16px;
  }

  .logo {
    font-size: 18px;
  }

  .logo svg {
    width: 30px;
    height: 30px;
    flex-basis: 30px;
  }

  .hero h1 {
    font-size: 24px;
  }

  .hero-cta {
    gap: 10px;
  }

  .btn {
    flex: 1 1 100%;
    padding: 12px 18px;
    font-size: 14.5px;
  }

  .carousel {
    height: 270px;
  }

  .slide {
    padding: 22px;
  }

  .slide h3 {
    font-size: 19px;
  }

  .article-card .thumb {
    height: 130px;
  }

  .faq-q {
    padding: 16px 18px;
    font-size: 14.5px;
  }

  .faq-a {
    padding: 0 18px;
  }

  .contact-info li {
    flex-direction: column;
    gap: 2px;
  }

  .contact-info li b {
    flex-basis: auto;
  }

  .step {
    gap: 14px;
  }

  .step-num {
    flex-basis: 34px;
    width: 34px;
    height: 34px;
    font-size: 14px;
  }
}

/* ---------- 23. 打印样式 ---------- */
@media print {
  header.site-header,
  #backTop,
  .hero::before,
  .hero::after,
  .dots {
    display: none !important;
  }

  body {
    background: #fff;
    color: #000;
  }

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

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