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

body {
  font-family: system-ui, 'PingFang SC', 'Microsoft YaHei', sans-serif;
  overflow-x: hidden;
  background: #FFF9F2;
  /** 奶油米白底色，替代深色，保持轻盈感 */
}

/* ---------------------------------------------------- */
/* 全局滚动条 细线风格 */
/* ---------------------------------------------------- */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: #FFF3E8; }
::-webkit-scrollbar-thumb { background: #98C1D9; border-radius: 8px; }

::selection { background: #11212E; color: #FFF9F2; }

/* ---------------------------------------------------- */
/* 容器居中 */
/* ---------------------------------------------------- */
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* 区块基础 */
.section { padding: 80px 0; }
.section:nth-child(even) { background: #F7F2EB; }

/* ---------------------------------------------------- */
/* 固定顶部导航 —— 半透明象牙白 + 蓝紫点缀 */
/* ---------------------------------------------------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(255, 249, 242, 0.9);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid #FFEBD7;
  box-shadow: 0 4px 30px rgba(150, 120, 90, 0.06);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 74px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* LOGO — 风车旋转概念 */
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 900;
  font-size: 1.35rem;
  text-decoration: none;
  color: #11212E;
  letter-spacing: 1px;
}

.logo-icon {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  color: #FF6B4A;
  background: #FFF3E0;
  border: 2px dashed #FFB090;
  animation: spinSlow 8s linear infinite;
}

@keyframes spinSlow {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

/* 导航列表 */
.main-nav {
  display: flex;
  align-items: center;
  gap: 20px;
  list-style: none;
  margin: 0;
}

.main-nav a {
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 600;
  color: #2D3A4A;
  padding: 8px 6px;
  border-bottom: 2px solid transparent;
  transition: border-color 0.25s, color 0.25s;
  letter-spacing: 0.3px;
}

.main-nav a:hover {
  color: #F06449;
  border-bottom-color: #F06449;
}

/* 导航CTA按钮 珊瑚粉 */
.nav-cta {
  padding: 9px 22px !important;
  border-radius: 60px;
  background: #F06449;
  color: #FFF9F2 !important;
  font-weight: 700;
  border: none !important;
  box-shadow: 0 6px 14px rgba(240, 100, 73, 0.28);
  transition: transform 0.25s, box-shadow 0.25s;
  margin-left: 6px;
}

.nav-cta:hover {
  transform: translateY(-2px) scale(1.03);
  box-shadow: 0 10px 20px rgba(240, 100, 73, 0.35);
  border-bottom: none !important;
}

/* 移动端菜单按钮 */
.menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: #11212E;
  padding: 6px;
  align-items: center;
  justify-content: center;
}

/* ---------------------------------------------------- */
/* 首页 Hero —— 风车与实时更新主题，柔光渐变 */
/* ---------------------------------------------------- */
.hero {
  min-height: 72vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  /* 独特的色彩渐变：天光雾蓝 → 浅橙色 */
  background: linear-gradient(145deg, #EAF2F8 0%, #FFF3E8 70%, #FFE4D0 100%);
}

.hero::before {
  content: '';
  position: absolute;
  width: 320px;
  height: 320px;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 35%, rgba(255, 255, 255, 0.85), rgba(255, 214, 170, 0.4));
  filter: blur(20px);
  top: 20%;
  left: -80px;
  z-index: 0;
  opacity: 0.7;
}

.hero::after {
  content: '✦';
  position: absolute;
  right: 8%;
  bottom: 10%;
  font-size: 8rem;
  color: rgba(240, 100, 73, 0.08);
  line-height: 1;
  user-select: none;
}

.hero-content {
  max-width: 780px;
  position: relative;
  z-index: 2;
}

/* 眉毛标签 */
.hero-eyebrow {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 3px;
  padding: 6px 18px;
  border-radius: 40px;
  margin-bottom: 16px;
  background: #11212E;
  color: #FFF9F2;
  text-transform: uppercase;
  box-shadow: 0 2px 8px rgba(17, 33, 46, 0.2);
}

/* 大标题 */
.hero h1 {
  font-size: 3.6rem;
  font-weight: 900;
  line-height: 1.1;
  margin-bottom: 18px;
  color: #11212E;
  letter-spacing: -1px;
}

.hero h1 span {
  background: linear-gradient(120deg, #F06449, #FFB090);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  position: relative;
}

/* 副标题描述 */
.hero p {
  font-size: 1.15rem;
  opacity: 0.72;
  color: #2D3A4A;
  max-width: 600px;
  margin-bottom: 30px;
  line-height: 1.6;
}

/* 按钮组 */
.hero-buttons {
  display: flex;
  gap: 18px;
}

/* ---------------------------------------------------- */
/* 按钮 基础/primary/outline */
/* ---------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 32px;
  border-radius: 60px;
  font-weight: 800;
  cursor: pointer;
  border: none;
  text-decoration: none;
  font-size: 0.95rem;
  transition: all 0.25s ease;
  letter-spacing: 0.5px;
}

.btn-primary {
  background: #FF6B4A;
  color: #FFF9F2;
  box-shadow: 0 12px 20px -8px rgba(255, 107, 74, 0.5);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 16px 28px -8px rgba(255, 107, 74, 0.55);
  background: #F4583B;
}

.btn-outline {
  background: transparent;
  border: 2px solid #11212E;
  color: #11212E;
}

.btn-outline:hover {
  background: #11212E;
  color: #FFF9F2;
  border-color: #11212E;
}

/* 次要按钮（浅色背景下） */
.btn-ghost {
  background: rgba(255, 255, 255, 0.6);
  color: #11212E;
  border: 1px solid rgba(17, 33, 46, 0.08);
}

.btn-ghost:hover {
  background: #fff;
  border-color: rgba(17, 33, 46, 0.15);
}

/* ---------------------------------------------------- */
/* 区块标签（section-label） */
/* ---------------------------------------------------- */
.section-label {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 3px;
  margin-bottom: 14px;
  color: #F06449;
  text-transform: uppercase;
  background: rgba(240, 100, 73, 0.12);
  padding: 4px 12px;
  border-radius: 30px;
}

.section-title {
  font-size: 2.4rem;
  font-weight: 900;
  margin-bottom: 14px;
  color: #11212E;
  line-height: 1.2;
  letter-spacing: -0.8px;
}

.section-desc {
  max-width: 660px;
  opacity: 0.7;
  margin-bottom: 40px;
  font-size: 1.05rem;
  color: #2D3A4A;
  line-height: 1.6;
}

/* ---------------------------------------------------- */
/* 卡片网格 */
/* ---------------------------------------------------- */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 28px;
}

/* 卡片设计 —— 风车叶片旋转概念 */
.category-card {
  border-radius: 24px;
  padding: 32px 26px;
  position: relative;
  background: #FFFDF8;
  border: 1px solid #F3E6D5;
  transition: all 0.35s cubic-bezier(0.2, 0.8, 0.25, 1);
  overflow: hidden;
}

.category-card::after {
  content: '';
  position: absolute;
  right: -28px;
  top: -28px;
  width: 90px;
  height: 90px;
  background: radial-gradient(circle, rgba(255, 214, 170, 0.4), transparent 70%);
  border-radius: 50%;
  opacity: 0.6;
}

.category-card:hover {
  transform: translateY(-6px) rotate(-0.6deg);
  box-shadow: 0 30px 50px -20px rgba(180, 130, 90, 0.25);
  border-color: #F8C9A8;
}

.card-icon {
  width: 54px;
  height: 54px;
  border-radius: 18px;
  background: #FFEDE0;
  border: 2px dotted #F49B7B;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  font-size: 1.6rem;
}

.card-link {
  font-weight: 800;
  font-size: 0.9rem;
  text-decoration: none;
  color: #11212E;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 10px;
}

.card-link:hover {
  color: #F06449;
}

.category-card h3 {
  font-size: 1.2rem;
  margin-bottom: 10px;
  color: #11212E;
}

.category-card p {
  color: #66717E;
  font-size: 0.9rem;
  margin-bottom: 12px;
}

/* ---------------------------------------------------- */
/* 特性块 左侧图右侧文字 */
/* ---------------------------------------------------- */
.feature-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.feature-image {
  border-radius: 28px;
  overflow: hidden;
  position: relative;
  box-shadow: 0 25px 60px -20px rgba(160, 130, 100, 0.3);
}

.feature-image img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform 0.5s ease;
}

.feature-image:hover img {
  transform: scale(1.03) rotate(0.5deg);
}

.feature-text {
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.feature-text h3 {
  font-size: 1.9rem;
  font-weight: 800;
  margin-bottom: 18px;
  color: #11212E;
  line-height: 1.2;
}

.feature-text p {
  color: #5B6673;
  line-height: 1.7;
  margin-bottom: 24px;
  font-size: 1rem;
}

.feature-list {
  list-style: none;
}

.feature-list li {
  padding: 12px 0;
  display: flex;
  align-items: center;
  gap: 14px;
  font-weight: 600;
  color: #2D3A4A;
  border-bottom: 1px dashed #E7D9C8;
}

.feature-list li:last-child {
  border-bottom: none;
}

.feature-list li::before {
  content: '✦';
  font-weight: 700;
  color: #F06449;
  font-size: 1.2rem;
  background: #FFEBDD;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  flex-shrink: 0;
}

/* ---------------------------------------------------- */
/* 数据条 stats-bar */
/* ---------------------------------------------------- */
.stats-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  text-align: center;
  background: #FFFDF8;
  padding: 28px 18px;
  border-radius: 40px;
  border: 1px solid #F3E9DD;
  box-shadow: 0 15px 30px -20px rgba(130, 100, 80, 0.15);
}

.stat-item {
  padding: 26px 12px;
  border-radius: 28px;
  border: 1px solid #FFF2E8;
  background: #FFFFFF;
  transition: all 0.3s;
}

.stat-item:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 20px -10px rgba(240, 100, 73, 0.2);
}

.stat-number {
  font-size: 2.6rem;
  font-weight: 900;
  color: #11212E;
  line-height: 1;
}

.stat-number sup {
  color: #F06449;
  font-size: 1.4rem;
  font-weight: 800;
}

.stat-label {
  font-size: 0.85rem;
  opacity: 0.6;
  margin-top: 10px;
  font-weight: 600;
  letter-spacing: 0.4px;
}

/* ---------------------------------------------------- */
/* 内容墙（追番/推荐内容） */
/* ---------------------------------------------------- */
.content-wall {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 28px;
}

.content-wall-item {
  border-radius: 28px;
  overflow: hidden;
  border: 1px solid #F2E5D7;
  background: #FFFDF8;
  transition: all 0.35s cubic-bezier(0.2, 0.8, 0.25, 1);
  position: relative;
}

.content-wall-item:hover {
  transform: translateY(-8px);
  box-shadow: 0 25px 50px -20px rgba(140, 100, 70, 0.3);
  border-color: #FFC9A8;
}

.content-wall-item img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  display: block;
}

.content-wall-body {
  padding: 22px 22px 26px;
}

.content-wall-body h4 {
  font-size: 1.1rem;
  font-weight: 800;
  color: #11212E;
  margin: 6px 0 10px;
}

.content-wall-body p {
  font-size: 0.9rem;
  color: #6B7583;
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-tag {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  background: #FFE9DF;
  color: #F06449;
  border-radius: 20px;
  padding: 4px 12px;
  letter-spacing: 0.5px;
}

.card-tag-blue {
  background: #E1EFFA;
  color: #3B7A9E;
}

/* ---------------------------------------------------- */
/* FAQ 手风琴 */
/* ---------------------------------------------------- */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  border: 1px solid #F2E2D2;
  border-radius: 20px;
  margin-bottom: 12px;
  overflow: hidden;
  cursor: pointer;
  background: #FFFDF8;
  transition: border-color 0.2s;
}

.faq-item.open {
  border-color: #FFB9A0;
  background: #FFFFFF;
}

.faq-item .faq-question {
  padding: 20px 24px;
  font-weight: 700;
  font-size: 1.05rem;
  color: #11212E;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-radius: 20px;
}

.faq-question::after {
  content: '⌄';
  font-size: 1.6rem;
  line-height: 1;
  color: #F06449;
  transition: transform 0.3s;
}

.faq-item.open .faq-question::after {
  transform: rotate(180deg);
}

.faq-item .faq-answer {
  padding: 0 24px 20px;
  display: none;
  opacity: 0.8;
  color: #556170;
  line-height: 1.7;
}

.faq-item.open .faq-answer {
  display: block;
}

/* ---------------------------------------------------- */
/* CTA 横幅 */
/* ---------------------------------------------------- */
.cta-banner {
  padding: 72px 30px;
  text-align: center;
  border-radius: 40px;
  background: linear-gradient(135deg, #11212E, #1B3345);
  color: #FFF9F2;
  position: relative;
  overflow: hidden;
  box-shadow: 0 30px 60px -20px rgba(17, 33, 46, 0.4);
}

.cta-banner::before {
  content: '';
  position: absolute;
  width: 200px;
  height: 200px;
  background: radial-gradient(circle, rgba(255, 160, 100, 0.4), transparent 70%);
  border-radius: 50%;
  top: -30px;
  left: -40px;
}

.cta-banner::after {
  content: '';
  position: absolute;
  width: 150px;
  height: 150px;
  background: radial-gradient(circle, rgba(255, 160, 100, 0.2), transparent 70%);
  border-radius: 50%;
  right: 20px;
  bottom: 0;
}

.cta-banner h2 {
  color: #FFF9F2;
  font-size: 2.2rem;
  font-weight: 800;
  margin-bottom: 12px;
  position: relative;
  z-index: 2;
}

.cta-banner p {
  opacity: 0.8;
  margin-bottom: 26px;
  position: relative;
  z-index: 2;
}

.cta-banner .btn-primary {
  background: #FFF9F2;
  color: #11212E;
  box-shadow: none;
}

.cta-banner .btn-primary:hover {
  background: #FFD4C0;
}

/* ---------------------------------------------------- */
/* 页脚 */
/* ---------------------------------------------------- */
.site-footer {
  padding: 56px 0 20px;
  background: #FFF9F2;
  border-top: 1px solid #F0E1D3;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
}

.footer-brand a.logo {
  margin-bottom: 16px;
}

.footer-brand p {
  color: #7C8A9A;
  font-size: 0.9rem;
  line-height: 1.6;
  max-width: 260px;
}

.footer-col h5 {
  font-size: 1rem;
  font-weight: 800;
  margin-bottom: 18px;
  color: #11212E;
}

.footer-col a {
  display: block;
  color: #71808F;
  text-decoration: none;
  padding: 5px 0;
  font-size: 0.9rem;
  transition: color 0.2s;
}

.footer-col a:hover {
  color: #F06449;
}

.footer-bottom {
  border-top: 1px solid #F2E4D8;
  margin-top: 40px;
  padding-top: 20px;
  text-align: center;
  font-size: 0.8rem;
  color: #9AA7B5;
}

/* ---------------------------------------------------- */
/* 工具类 */
/* ---------------------------------------------------- */
.text-accent {
  color: #F06449;
  font-weight: 700;
}

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

.seo-description {
  max-width: 600px;
  margin: 0 auto 48px;
  opacity: 0.7;
  color: #5F6B7A;
  line-height: 1.7;
}

.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }

/* 隐形装饰元素 */
.deco-dots {
  background-image: radial-gradient(rgba(240, 100, 73, 0.2) 1.5px, transparent 1.5px);
  background-size: 22px 22px;
}

/* ---------------------------------------------------- */
/* 响应式 */
/* ---------------------------------------------------- */
@media (max-width: 768px) {
  .section { padding: 60px 0; }

  .hero { min-height: auto; padding: 120px 0 80px; }
  .hero h1 { font-size: 2.4rem; }
  .hero p { font-size: 1rem; }

  .feature-block { grid-template-columns: 1fr; gap: 40px; }
  .stats-bar { grid-template-columns: repeat(2, 1fr); gap: 14px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 30px; }

  .main-nav { display: none; }
  .menu-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
  }
  .main-nav.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 74px;
    left: 0;
    width: 100%;
    background: #FFF9F2;
    padding: 24px;
    gap: 18px;
    border-bottom: 1px solid #FFEBD7;
  }

  .main-nav.open a.nav-cta {
    margin-left: 0;
    display: inline-block;
    text-align: center;
  }

  .card-icon {
    width: 48px;
    height: 48px;
  }

  .cta-banner h2 {
    font-size: 1.8rem;
  }
}

@media (max-width: 480px) {
  .cards-grid,
  .content-wall,
  .stats-bar { grid-template-columns: 1fr; }

  .footer-grid { grid-template-columns: 1fr; }
  .hero-buttons { flex-direction: column; align-items: stretch; }

  .btn {
    width: 100%;
    justify-content: center;
  }

  .section-title { font-size: 1.8rem; }
  .hero h1 { font-size: 2.0rem; letter-spacing: -0.5px; }
}