*, *::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: #fefaf6;
  color: #2d3436;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

.section {
  padding: 80px 0;
  position: relative;
}

.section:nth-child(even) {
  background: #f7f3ee;
}

/* ============ 导航 - 固定顶部 ============ */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(254, 250, 246, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(46, 204, 143, 0.12);
  transition: all 0.3s ease;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 1.25rem;
  text-decoration: none;
  color: #2d3436;
  letter-spacing: -0.5px;
}

.logo-icon {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  background: linear-gradient(135deg, #2ecc8f, #1abc7a);
  color: #fff;
  box-shadow: 0 3px 12px rgba(46, 204, 143, 0.28);
}

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

.main-nav a {
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  color: #5a6b5d;
  transition: all 0.2s ease;
  position: relative;
  padding: 4px 0;
}

.main-nav a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: #2ecc8f;
  border-radius: 1px;
  transition: width 0.3s ease;
}

.main-nav a:hover {
  color: #2ecc8f;
}

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

.nav-cta {
  padding: 10px 22px;
  border-radius: 10px;
  color: #fff !important;
  font-weight: 700;
  background: linear-gradient(135deg, #ff6b5e, #e8554a);
  box-shadow: 0 4px 16px rgba(255, 107, 94, 0.3);
  letter-spacing: 0.3px;
}

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

.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(255, 107, 94, 0.4);
  color: #fff !important;
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  width: 36px;
  height: 36px;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  padding: 6px;
}

.menu-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: #2d3436;
  border-radius: 2px;
  transition: all 0.3s ease;
}

/* ============ 首页Hero ============ */
.hero {
  min-height: 70vh;
  display: flex;
  align-items: center;
  padding-top: 68px;
  background:
    radial-gradient(ellipse at 75% 30%, rgba(46, 204, 143, 0.08) 0%, transparent 55%),
    radial-gradient(ellipse at 25% 60%, rgba(255, 107, 94, 0.06) 0%, transparent 50%),
    #fefaf6;
}

.hero .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  width: 100%;
}

.hero-content {
  max-width: 720px;
}

.hero-eyebrow {
  display: inline-block;
  font-size: 0.82rem;
  font-weight: 700;
  padding: 5px 16px;
  border-radius: 24px;
  margin-bottom: 18px;
  background: rgba(46, 204, 143, 0.12);
  color: #1abc7a;
  letter-spacing: 1.5px;
  text-transform: uppercase;
}

.hero h1 {
  font-size: 3rem;
  line-height: 1.18;
  margin-bottom: 20px;
  font-weight: 800;
  letter-spacing: -1.2px;
  color: #1a1f1b;
}

.hero h1 .highlight {
  background: linear-gradient(135deg, #2ecc8f, #1abc7a);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-weight: 900;
}

.hero p {
  font-size: 1.12rem;
  opacity: 0.7;
  max-width: 560px;
  margin-bottom: 32px;
  color: #5a6b5d;
  letter-spacing: 0.15px;
}

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

.hero-image {
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 24px 60px rgba(46, 204, 143, 0.13), 0 8px 20px rgba(0, 0, 0, 0.04);
  border: 1px solid rgba(46, 204, 143, 0.15);
  background: #fff;
  transform: rotate(-0.5deg);
  transition: transform 0.3s ease;
}

.hero-image:hover {
  transform: rotate(0deg) scale(1.01);
}

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

/* ============ 按钮 ============ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 30px;
  border-radius: 10px;
  font-weight: 700;
  cursor: pointer;
  border: none;
  text-decoration: none;
  transition: all 0.25s ease;
  font-size: 0.95rem;
  letter-spacing: 0.2px;
  position: relative;
}

.btn-primary {
  color: #fff;
  background: linear-gradient(135deg, #2ecc8f, #1abc7a);
  box-shadow: 0 5px 18px rgba(46, 204, 143, 0.32);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 26px rgba(46, 204, 143, 0.4);
}

.btn-outline {
  background: transparent;
  border: 2px solid #2ecc8f;
  color: #2ecc8f;
  font-weight: 700;
}

.btn-outline:hover {
  background: rgba(46, 204, 143, 0.06);
  transform: translateY(-3px);
}

/* ============ 标签/标题 ============ */
.section-label {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 2.5px;
  margin-bottom: 12px;
  text-transform: uppercase;
  color: #ff6b5e;
}

.section-title {
  font-size: 2.15rem;
  margin-bottom: 14px;
  font-weight: 800;
  letter-spacing: -0.8px;
  color: #1a1f1b;
}

.section-desc {
  max-width: 600px;
  opacity: 0.7;
  margin-bottom: 40px;
  color: #5a6b5d;
  font-size: 1.05rem;
  letter-spacing: 0.15px;
}

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

.category-card {
  border-radius: 16px;
  padding: 30px 26px;
  border: 1.5px solid rgba(46, 204, 143, 0.14);
  transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1.2);
  background: #fff;
  position: relative;
  overflow: hidden;
}

.category-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, #2ecc8f, #1abc7a, #ff6b5e);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s ease;
}

.category-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 32px rgba(46, 204, 143, 0.1), 0 3px 8px rgba(0, 0, 0, 0.04);
  border-color: rgba(46, 204, 143, 0.3);
}

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

.card-icon {
  width: 50px;
  height: 50px;
  border-radius: 13px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  font-size: 1.35rem;
  background: linear-gradient(135deg, rgba(46, 204, 143, 0.1), rgba(26, 188, 122, 0.08));
  color: #2ecc8f;
}

.card-link {
  font-weight: 700;
  font-size: 0.85rem;
  text-decoration: none;
  color: #2ecc8f;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: gap 0.3s ease;
}

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

/* ============ 特性块 ============ */
.feature-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}

.feature-image {
  border-radius: 18px;
  overflow: hidden;
  box-shadow: 0 16px 40px rgba(46, 204, 143, 0.1), 0 4px 12px rgba(0, 0, 0, 0.04);
  border: 1px solid rgba(46, 204, 143, 0.12);
}

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

.feature-text {
  padding-right: 10px;
}

.feature-list {
  list-style: none;
  margin-top: 16px;
}

.feature-list li {
  padding: 8px 0;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.98rem;
  color: #4a5b4e;
}

.feature-list li::before {
  content: '✓';
  font-weight: 800;
  color: #2ecc8f;
  font-size: 1.1rem;
  flex-shrink: 0;
}

/* ============ 数据条 ============ */
.stats-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  text-align: center;
}

.stat-item {
  padding: 30px 20px;
  border-radius: 16px;
  border: 1.5px solid rgba(46, 204, 143, 0.12);
  background: #fff;
  transition: all 0.3s ease;
  position: relative;
}

.stat-item:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 28px rgba(46, 204, 143, 0.1);
  border-color: rgba(46, 204, 143, 0.28);
}

.stat-number {
  font-size: 2.5rem;
  font-weight: 900;
  background: linear-gradient(135deg, #2ecc8f, #1abc7a);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -1px;
}

.stat-label {
  font-size: 0.9rem;
  opacity: 0.65;
  margin-top: 8px;
  font-weight: 500;
  color: #5a6b5d;
}

/* ============ 内容墙 ============ */
.content-wall {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}

.content-wall-item {
  border-radius: 16px;
  overflow: hidden;
  border: 1.5px solid rgba(46, 204, 143, 0.1);
  transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1.2);
  background: #fff;
}

.content-wall-item:hover {
  transform: translateY(-6px);
  box-shadow: 0 14px 36px rgba(46, 204, 143, 0.12), 0 4px 10px rgba(0, 0, 0, 0.04);
  border-color: rgba(46, 204, 143, 0.25);
}

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

.content-wall-body {
  padding: 22px 20px;
}

.content-wall-body h3 {
  font-weight: 700;
  margin-bottom: 6px;
  color: #1a1f1b;
}

.content-wall-body p {
  font-size: 0.9rem;
  opacity: 0.65;
  color: #5a6b5d;
}

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

.faq-item {
  border: 1.5px solid rgba(46, 204, 143, 0.15);
  border-radius: 12px;
  margin-bottom: 10px;
  overflow: hidden;
  cursor: pointer;
  background: #fff;
  transition: all 0.3s ease;
}

.faq-item:hover {
  border-color: rgba(46, 204, 143, 0.3);
  box-shadow: 0 3px 12px rgba(46, 204, 143, 0.06);
}

.faq-item .faq-question {
  padding: 18px 22px;
  font-weight: 700;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: #1a1f1b;
  font-size: 1rem;
}

.faq-item .faq-question::after {
  content: '+';
  font-size: 1.4rem;
  font-weight: 400;
  color: #2ecc8f;
  transition: transform 0.3s ease;
}

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

.faq-item .faq-answer {
  padding: 0 22px 18px;
  display: none;
  opacity: 0.7;
  font-size: 0.95rem;
  color: #5a6b5d;
}

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

/* ============ CTA横幅 ============ */
.cta-banner {
  padding: 60px 24px;
  text-align: center;
  border-radius: 18px;
  color: #fff;
  background: linear-gradient(135deg, #2ecc8f 0%, #1abc7a 40%, #17a36b 100%);
  position: relative;
  overflow: hidden;
}

.cta-banner::before {
  content: '';
  position: absolute;
  top: -40%;
  right: -15%;
  width: 400px;
  height: 400px;
  background: rgba(255, 255, 255, 0.06);
  border-radius: 50%;
}

.cta-banner::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -10%;
  width: 300px;
  height: 300px;
  background: rgba(255, 255, 255, 0.04);
  border-radius: 50%;
}

.cta-banner h2 {
  color: #fff;
  font-size: 2rem;
  font-weight: 800;
  position: relative;
  z-index: 1;
}

.cta-banner p {
  color: rgba(255, 255, 255, 0.85);
  position: relative;
  z-index: 1;
  margin-bottom: 24px;
}

.cta-banner .btn-primary {
  background: #fff;
  color: #1abc7a;
  font-weight: 800;
  box-shadow: 0 6px 22px rgba(0, 0, 0, 0.15);
  position: relative;
  z-index: 1;
}

.cta-banner .btn-primary:hover {
  background: #f0faf5;
  transform: translateY(-3px);
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.18);
}

/* ============ 页脚 ============ */
.site-footer {
  padding: 60px 0 30px;
  background: #f7f3ee;
  color: #2d3436;
  border-top: 1px solid rgba(46, 204, 143, 0.1);
}

.site-footer .container {
  /* 继承 */
}

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

.footer-brand h3 {
  font-weight: 800;
  margin-bottom: 10px;
  font-size: 1.2rem;
  color: #1a1f1b;
}

.footer-brand p {
  opacity: 0.65;
  font-size: 0.9rem;
  color: #5a6b5d;
}

.footer-col h4 {
  font-weight: 700;
  margin-bottom: 14px;
  font-size: 0.95rem;
  color: #1a1f1b;
}

.footer-col a {
  display: block;
  text-decoration: none;
  color: #5a6b5d;
  font-size: 0.88rem;
  padding: 4px 0;
  opacity: 0.7;
  transition: all 0.2s ease;
}

.footer-col a:hover {
  opacity: 1;
  color: #2ecc8f;
  padding-left: 4px;
}

.footer-bottom {
  border-top: 1px solid rgba(46, 204, 143, 0.12);
  margin-top: 44px;
  padding-top: 22px;
  text-align: center;
  font-size: 0.85rem;
  opacity: 0.6;
  color: #5a6b5d;
}

/* ============ 工具类 ============ */
.text-accent {
  color: #ff6b5e;
  font-weight: 700;
}

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

.seo-description {
  max-width: 600px;
  margin: 0 auto 48px;
  opacity: 0.7;
  color: #5a6b5d;
  font-size: 0.95rem;
  letter-spacing: 0.15px;
}

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

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

/* ============ 响应式 ============ */
@media (max-width: 1024px) {
  .hero .container {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .hero-image {
    max-width: 500px;
    margin: 0 auto;
  }

  .hero {
    min-height: auto;
    padding-bottom: 40px;
  }

  .hero h1 {
    font-size: 2.4rem;
  }
}

@media (max-width: 768px) {
  .feature-block {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .feature-text {
    padding-right: 0;
  }

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

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 28px;
  }

  .section {
    padding: 56px 0;
  }

  .section-title {
    font-size: 1.7rem;
  }

  .hero h1 {
    font-size: 2rem;
  }

  .main-nav {
    display: none;
  }

  .menu-toggle {
    display: flex;
  }

  .main-nav.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 68px;
    left: 0;
    width: 100%;
    background: rgba(254, 250, 246, 0.98);
    backdrop-filter: blur(16px);
    padding: 24px;
    gap: 16px;
    border-bottom: 2px solid rgba(46, 204, 143, 0.15);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.06);
  }

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

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

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 22px;
  }

  .hero-buttons {
    flex-direction: column;
    gap: 10px;
  }

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

  .hero h1 {
    font-size: 1.75rem;
  }

  .hero p {
    font-size: 1rem;
  }

  .section-title {
    font-size: 1.5rem;
  }

  .container {
    padding: 0 16px;
  }

  .header-inner {
    padding: 0 16px;
  }

  .cta-banner {
    padding: 40px 18px;
  }

  .cta-banner h2 {
    font-size: 1.5rem;
  }

  .stats-bar {
    gap: 12px;
  }

  .stat-number {
    font-size: 1.9rem;
  }
}