*, *::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-color: #FFF8F0;
  color: #2D2A26;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

::selection {
  background: #FFD166;
  color: #2D2A26;
}

::-webkit-scrollbar {
  width: 10px;
}
::-webkit-scrollbar-track {
  background: #FFF8F0;
}
::-webkit-scrollbar-thumb {
  background: #FFB88A;
  border-radius: 10px;
}
::-webkit-scrollbar-thumb:hover {
  background: #FF6B35;
}

/* ---------- 核心布局 ---------- */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 90px 0;
}

.section:nth-child(even) {
  background: #FFF0E6;
}

/* ---------- 导航 ---------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(255, 248, 240, 0.92);
  -webkit-backdrop-filter: blur(20px);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255, 107, 53, 0.14);
  box-shadow: 0 2px 24px rgba(255, 107, 53, 0.06);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 1.3rem;
  letter-spacing: -0.5px;
  text-decoration: none;
  color: #2D2A26;
  transition: opacity 0.3s;
}

.logo:hover {
  opacity: 0.82;
}

.logo-icon {
  width: 38px;
  height: 38px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  background: linear-gradient(135deg, #FF6B35, #FFB627);
  color: #fff;
  box-shadow: 0 4px 14px rgba(255, 107, 53, 0.35);
  transition: transform 0.3s;
}

.logo:hover .logo-icon {
  transform: rotate(-8deg) scale(1.05);
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
}

.main-nav a {
  position: relative;
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 500;
  color: #4A453F;
  transition: color 0.3s;
}

.main-nav a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, #FF6B35, #FFB627);
  border-radius: 2px;
  transition: width 0.3s ease;
}

.main-nav a:hover {
  color: #FF6B35;
}

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

.nav-cta {
  padding: 10px 24px;
  border-radius: 50px;
  color: #fff !important;
  font-weight: 700;
  background: linear-gradient(135deg, #FF6B35, #FF8E53);
  box-shadow: 0 4px 16px rgba(255, 107, 53, 0.35);
  transition: transform 0.3s, box-shadow 0.3s;
}

.nav-cta::after {
  display: none;
}

.nav-cta:hover {
  color: #fff !important;
  transform: translateY(-2px) scale(1.03);
  box-shadow: 0 8px 28px rgba(255, 107, 53, 0.45);
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  cursor: pointer;
  color: #2D2A26;
  border-radius: 12px;
  transition: background 0.3s;
}

.menu-toggle:hover {
  background: rgba(255, 107, 53, 0.1);
}

/* ---------- Hero ---------- */
.hero {
  min-height: 75vh;
  display: flex;
  align-items: center;
  gap: 64px;
  padding: 80px 0 60px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -40%;
  right: -8%;
  width: 560px;
  height: 560px;
  background: radial-gradient(circle, rgba(255, 214, 102, 0.28) 0%, transparent 62%);
  border-radius: 50%;
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -15%;
  left: -6%;
  width: 320px;
  height: 320px;
  background: radial-gradient(circle, rgba(78, 205, 196, 0.2) 0%, transparent 60%);
  border-radius: 50%;
  pointer-events: none;
}

.hero-content {
  flex: 1;
  max-width: 600px;
  position: relative;
  z-index: 1;
}

.hero-eyebrow {
  display: inline-block;
  background: #FFE8D9;
  color: #FF6B35;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  padding: 6px 18px;
  border-radius: 50px;
  margin-bottom: 20px;
  box-shadow: 0 2px 8px rgba(255, 107, 53, 0.1);
}

.hero h1 {
  font-size: 3.6rem;
  font-weight: 900;
  line-height: 1.15;
  letter-spacing: -2px;
  margin-bottom: 20px;
  color: #2D2A26;
}

.hero p {
  font-size: 1.15rem;
  opacity: 0.68;
  max-width: 520px;
  margin-bottom: 36px;
  color: #5A5148;
  line-height: 1.8;
}

.hero-buttons {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.hero-image {
  flex: 1;
  position: relative;
  z-index: 1;
  border-radius: 28px;
  overflow: hidden;
  border: 8px solid #fff;
  box-shadow: 0 24px 64px rgba(255, 107, 53, 0.2);
  transform: rotate(2deg);
  transition: transform 0.5s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.5s;
  animation: float 6s ease-in-out infinite;
}

.hero-image:hover {
  transform: rotate(0deg) scale(1.02);
  box-shadow: 0 32px 80px rgba(255, 107, 53, 0.3);
}

.hero-image img {
  width: 100%;
  height: auto;
  display: block;
}

@keyframes float {
  0%, 100% { transform: rotate(2deg) translateY(0); }
  50% { transform: rotate(2deg) translateY(-12px); }
}

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 50px;
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.3px;
  cursor: pointer;
  border: none;
  text-decoration: none;
  transition: transform 0.3s, box-shadow 0.3s, background 0.3s;
}

.btn-primary {
  color: #fff;
  background: linear-gradient(135deg, #FF6B35, #FF8E53);
  box-shadow: 0 6px 22px rgba(255, 107, 53, 0.35);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 34px rgba(255, 107, 53, 0.45);
}

.btn-outline {
  background: transparent;
  border: 2px solid #FF6B35;
  color: #FF6B35;
}

.btn-outline:hover {
  background: rgba(255, 107, 53, 0.08);
  transform: translateY(-3px);
}

/* ---------- 标签 / 标题 ---------- */
.section-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 3px;
  text-transform: uppercase;
  margin-bottom: 12px;
  color: #FF6B35;
  background: rgba(255, 107, 53, 0.1);
  padding: 5px 16px;
  border-radius: 50px;
}

.section-title {
  font-size: 2.4rem;
  font-weight: 800;
  letter-spacing: -1px;
  line-height: 1.25;
  margin-bottom: 14px;
  color: #2D2A26;
}

.section-desc {
  max-width: 600px;
  opacity: 0.68;
  margin-bottom: 44px;
  line-height: 1.8;
  color: #5A5148;
}

/* ---------- 卡片网格 ---------- */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 28px;
}

.category-card {
  background: #fff;
  border-radius: 20px;
  padding: 32px 28px;
  border: 1px solid #FFE8D9;
  position: relative;
  overflow: hidden;
  transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.03);
}

.category-card::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, #FF6B35, #FFB627);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s ease;
}

.category-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 14px 36px rgba(255, 107, 53, 0.14);
  border-color: transparent;
}

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

.card-icon {
  width: 52px;
  height: 52px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  font-size: 1.5rem;
  background: linear-gradient(135deg, #FFEDE0, #FFE0CC);
  transition: transform 0.3s;
}

.category-card:hover .card-icon {
  transform: scale(1.1) rotate(-6deg);
}

.card-link {
  font-weight: 700;
  font-size: 0.85rem;
  text-decoration: none;
  color: #FF6B35;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: gap 0.3s;
}

.card-link::after {
  content: '→';
  font-size: 1rem;
  transition: transform 0.3s;
}

.card-link:hover {
  gap: 10px;
}

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

.feature-image {
  border-radius: 28px;
  overflow: hidden;
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.08);
  border: 6px solid #fff;
  transition: transform 0.4s;
}

.feature-image:hover {
  transform: translateY(-4px) rotate(0.5deg);
}

.feature-image img {
  width: 100%;
  height: auto;
  display: block;
}

.feature-text {
  font-size: 1.05rem;
  color: #4A453F;
}

.feature-text h3 {
  font-size: 1.9rem;
  font-weight: 800;
  letter-spacing: -0.5px;
  margin-bottom: 14px;
  color: #2D2A26;
}

.feature-text p {
  opacity: 0.7;
  margin-bottom: 22px;
  line-height: 1.8;
}

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

.feature-list li {
  padding: 7px 0;
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 500;
}

.feature-list li::before {
  content: '✓';
  font-weight: 800;
  font-size: 0.75rem;
  color: #FF6B35;
  background: #FFEDE0;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

/* ---------- 数据条 ---------- */
.stats-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
  text-align: center;
}

.stat-item {
  padding: 36px 24px;
  border-radius: 24px;
  border: 1px solid #FFE8D9;
  background: #fff;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.03);
  transition: transform 0.35s, box-shadow 0.35s;
}

.stat-item:hover {
  transform: translateY(-6px) rotate(1deg);
  box-shadow: 0 14px 40px rgba(255, 107, 53, 0.12);
}

.stat-number {
  font-size: 2.8rem;
  font-weight: 900;
  background: linear-gradient(135deg, #FF6B35, #FFB627);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.2;
}

.stat-label {
  font-size: 0.9rem;
  opacity: 0.62;
  margin-top: 8px;
  color: #5A5148;
}

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

.content-wall-item {
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid #FFE8D9;
  background: #fff;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.03);
  transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

.content-wall-item:hover {
  transform: translateY(-6px) scale(1.01);
  box-shadow: 0 16px 44px rgba(255, 107, 53, 0.14);
  border-color: transparent;
}

.content-wall-item img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  transition: transform 0.6s ease;
  display: block;
}

.content-wall-item:hover img {
  transform: scale(1.06);
}

.content-wall-body {
  padding: 22px 24px;
}

.content-wall-body h4 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 6px;
  color: #2D2A26;
}

.content-wall-body p {
  font-size: 0.85rem;
  opacity: 0.6;
  line-height: 1.7;
  color: #5A5148;
}

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

.faq-item {
  border: 1px solid #FFE8D9;
  border-radius: 16px;
  margin-bottom: 10px;
  overflow: hidden;
  cursor: pointer;
  background: #fff;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.02);
  transition: border-color 0.3s, box-shadow 0.3s;
}

.faq-item:hover {
  border-color: #FFB88A;
  box-shadow: 0 4px 18px rgba(255, 107, 53, 0.08);
}

.faq-item.open {
  border-color: #FF6B35;
  box-shadow: 0 6px 24px rgba(255, 107, 53, 0.1);
}

.faq-item .faq-question {
  padding: 18px 24px;
  font-weight: 700;
  font-size: 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: #2D2A26;
  transition: color 0.3s;
}

.faq-item .faq-question::after {
  content: '+';
  font-size: 1.5rem;
  font-weight: 400;
  color: #FF6B35;
  transition: transform 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
  flex-shrink: 0;
  margin-left: 16px;
}

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

.faq-item .faq-answer {
  padding: 0 24px 18px;
  display: none;
  opacity: 0.72;
  font-size: 0.95rem;
  line-height: 1.75;
  color: #4A453F;
}

.faq-item.open .faq-answer {
  display: block;
  animation: faqFadeIn 0.35s ease;
}

@keyframes faqFadeIn {
  from {
    opacity: 0;
    transform: translateY(-8px);
  }
  to {
    opacity: 0.72;
    transform: translateY(0);
  }
}

/* ---------- CTA 横幅 ---------- */
.cta-banner {
  padding: 64px 24px;
  text-align: center;
  border-radius: 32px;
  color: #fff;
  background: linear-gradient(135deg, #FF6B35, #FF8E53, #FFB627);
  position: relative;
  overflow: hidden;
  box-shadow: 0 24px 60px rgba(255, 107, 53, 0.35);
}

.cta-banner::before {
  content: '';
  position: absolute;
  top: -30px;
  right: -20px;
  width: 140px;
  height: 140px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.14);
}

.cta-banner::after {
  content: '';
  position: absolute;
  bottom: -50px;
  left: 15%;
  width: 100px;
  height: 100px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
}

.cta-banner h2 {
  color: #fff;
  font-size: 2.3rem;
  font-weight: 900;
  letter-spacing: -1px;
  margin-bottom: 10px;
  position: relative;
  z-index: 1;
}

.cta-banner .btn-primary {
  background: #fff;
  color: #FF6B35;
  box-shadow: 0 8px 24px rgba(255, 255, 255, 0.25);
  margin-top: 12px;
}

.cta-banner .btn-primary:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 12px 36px rgba(255, 255, 255, 0.35);
}

/* ---------- 页脚 ---------- */
.site-footer {
  padding: 64px 0 28px;
  background: #FFF0E6;
  border-top: 1px solid #FFE0CC;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
}

.footer-brand p {
  opacity: 0.62;
  font-size: 0.92rem;
  max-width: 280px;
  margin-top: 12px;
  color: #5A5148;
  line-height: 1.7;
}

.footer-col h4 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 18px;
  color: #2D2A26;
}

.footer-col a {
  display: block;
  text-decoration: none;
  color: #7A6F65;
  font-size: 0.9rem;
  padding: 5px 0;
  transition: color 0.2s, transform 0.2s;
}

.footer-col a:hover {
  color: #FF6B35;
  transform: translateX(4px);
}

.footer-bottom {
  border-top: 1px solid #FFE0CC;
  margin-top: 48px;
  padding-top: 24px;
  text-align: center;
  font-size: 0.85rem;
  color: #8A7D73;
}

/* ---------- 工具类 ---------- */
.text-accent {
  color: #FF6B35;
}

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

.seo-description {
  max-width: 600px;
  margin: 0 auto 48px;
  opacity: 0.7;
  line-height: 1.8;
  color: #5A5148;
}

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

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

/* ---------- 响应式 ---------- */
@media (max-width: 992px) {
  .hero {
    gap: 40px;
  }

  .hero h1 {
    font-size: 3rem;
  }

  .feature-block {
    gap: 40px;
  }
}

@media (max-width: 768px) {
  .hero {
    flex-direction: column;
    text-align: center;
    padding: 100px 0 50px;
  }

  .hero-content {
    max-width: 100%;
  }

  .hero h1 {
    font-size: 2.6rem;
  }

  .hero p {
    margin-left: auto;
    margin-right: auto;
  }

  .hero-buttons {
    justify-content: center;
  }

  .hero-image {
    max-width: 480px;
    width: 100%;
    margin: 0 auto;
    transform: rotate(1deg);
  }

  .hero-image:hover {
    transform: rotate(0deg);
  }

  @keyframes float {
    0%, 100% { transform: rotate(1deg) translateY(0); }
    50% { transform: rotate(1deg) translateY(-8px); }
  }

  .feature-block {
    grid-template-columns: 1fr;
  }

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

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

  .main-nav {
    display: none;
  }

  .menu-toggle {
    display: flex;
  }

  .main-nav.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 72px;
    left: 0;
    width: 100%;
    background: #FFF8F0;
    padding: 24px;
    gap: 18px;
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.08);
    border-top: 1px solid #FFE8D9;
  }

  .main-nav.open a {
    font-size: 1rem;
  }

  .nav-cta {
    text-align: center;
    padding: 12px 24px;
  }
}

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

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

  .hero-buttons {
    flex-direction: column;
    width: 100%;
  }

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

  .hero h1 {
    font-size: 2.2rem;
  }

  .section-title {
    font-size: 1.8rem;
  }

  .section {
    padding: 60px 0;
  }

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

  .cta-banner {
    padding: 44px 20px;
    border-radius: 24px;
  }

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