*, *::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: #FFF9F0;
  color: #2D2D2D;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
::selection { background: #FFD23F; color: #2D2D2D; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.section { padding: 80px 0; position: relative; }
.section:nth-child(even) { background: #F0FAF6; }

/* ========== 导航 ========== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(255,249,240,0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 3px solid #FF6B35;
}
.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: 900;
  font-size: 1.25rem;
  text-decoration: none;
  color: #2D2D2D;
  letter-spacing: 0.5px;
}
.logo-icon {
  width: 38px;
  height: 38px;
  border-radius: 12px 4px 12px 4px;
  background: #FF6B35;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  transform: rotate(-4deg);
  box-shadow: 3px 3px 0 #FFD23F;
}
.main-nav {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
}
.main-nav a {
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 600;
  color: #2D2D2D;
  position: relative;
  padding: 6px 0;
  transition: color 0.25s;
}
.main-nav a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: #FF6B35;
  border-radius: 2px;
  transition: width 0.3s ease;
}
.main-nav a:hover { color: #FF6B35; }
.main-nav a:hover::after { width: 100%; }
.nav-cta {
  background: #FF6B35;
  color: #fff !important;
  padding: 8px 24px;
  border-radius: 24px;
  font-weight: 700;
  box-shadow: 0 4px 14px rgba(255,107,53,0.35);
  transition: transform 0.2s, box-shadow 0.2s;
}
.nav-cta::after { display: none; }
.nav-cta:hover {
  color: #fff !important;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(255,107,53,0.45);
}
.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 2px solid #2D2D2D;
  border-radius: 12px 4px 12px 4px;
  background: transparent;
  cursor: pointer;
  position: relative;
}
.menu-toggle::before {
  content: '';
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  top: 14px;
  width: 20px;
  height: 2px;
  background: #2D2D2D;
  box-shadow: 0 7px 0 #2D2D2D;
}
.menu-toggle::after {
  content: '';
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  bottom: 14px;
  width: 20px;
  height: 2px;
  background: #2D2D2D;
}
.menu-toggle span { display: none; }

/* ========== Hero ========== */
.hero {
  min-height: 80vh;
  display: flex;
  align-items: center;
  padding: 120px 0 60px;
  position: relative;
  background: #FFF9F0;
  overflow: hidden;
}
.hero .container {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 60px;
  align-items: center;
  position: relative;
  z-index: 2;
}
.hero::before {
  content: '';
  position: absolute;
  top: 8%;
  right: 10%;
  width: 320px;
  height: 320px;
  background-image: radial-gradient(circle, rgba(255,180,60,0.25) 2px, transparent 2px);
  background-size: 20px 20px;
  border-radius: 50%;
  pointer-events: none;
}
.hero::after {
  content: '';
  position: absolute;
  bottom: -60px;
  left: -60px;
  width: 220px;
  height: 220px;
  border: 5px solid rgba(0,168,150,0.12);
  border-radius: 50%;
  pointer-events: none;
}
.hero-content { max-width: 680px; }
.hero-eyebrow {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 700;
  padding: 6px 18px;
  border-radius: 24px;
  margin-bottom: 20px;
  background: #fff;
  color: #FF6B35;
  border: 2px solid #FF6B35;
  letter-spacing: 1px;
  box-shadow: 3px 3px 0 #FFD23F;
}
.hero h1 {
  font-size: 3.4rem;
  font-weight: 900;
  line-height: 1.15;
  letter-spacing: -1px;
  margin-bottom: 22px;
  color: #1A1A1A;
  position: relative;
}
.hero h1::after {
  content: '✦';
  position: absolute;
  top: -18px;
  right: -24px;
  font-size: 1.6rem;
  color: #FF6B35;
  transform: rotate(20deg);
}
.hero p {
  font-size: 1.1rem;
  color: #5A5A5A;
  max-width: 560px;
  margin-bottom: 34px;
  line-height: 1.8;
}
.hero-buttons { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-image {
  border-radius: 24px 8px 24px 8px;
  overflow: hidden;
  border: 3px solid #1A1A1A;
  box-shadow: 10px 10px 0 #FF6B35, 20px 20px 0 #FFD23F;
  transform: rotate(1.5deg);
  background: #fff;
  position: relative;
}
.hero-image img {
  width: 100%;
  height: auto;
  display: block;
}

/* ========== 按钮 ========== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 30px;
  border-radius: 28px;
  font-weight: 700;
  font-size: 0.95rem;
  cursor: pointer;
  border: none;
  text-decoration: none;
  transition: all 0.25s ease;
}
.btn-primary {
  background: #FF6B35;
  color: #fff;
  box-shadow: 0 6px 20px rgba(255,107,53,0.4);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 28px rgba(255,107,53,0.5);
}
.btn-outline {
  background: transparent;
  border: 2px solid #00A896;
  color: #00A896;
}
.btn-outline:hover {
  background: #00A896;
  color: #fff;
  transform: translateY(-2px);
}

/* ========== 标签/标题 ========== */
.section-label {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 2px;
  margin-bottom: 14px;
  color: #00A896;
  background: rgba(0,168,150,0.1);
  padding: 5px 16px;
  border-radius: 24px;
  text-transform: uppercase;
}
.section-title {
  font-size: 2.3rem;
  font-weight: 900;
  letter-spacing: -0.5px;
  line-height: 1.3;
  margin-bottom: 14px;
  color: #1A1A1A;
  position: relative;
  display: inline-block;
  padding-bottom: 12px;
}
.section-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 48px;
  height: 5px;
  background: #FF6B35;
  border-radius: 3px;
  box-shadow: 8px 2px 0 #00A896;
}
.section-desc {
  max-width: 620px;
  color: #666;
  margin-bottom: 44px;
  font-size: 1rem;
  line-height: 1.8;
}

/* ========== 卡片网格 ========== */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 28px;
}
.category-card {
  background: #fff;
  border: 2px dashed #E0D5C8;
  border-radius: 20px 6px 20px 6px;
  padding: 30px 28px;
  transition: all 0.3s ease;
  position: relative;
}
.category-card:hover {
  border: 2px solid #FF6B35;
  transform: translateY(-5px) rotate(-1deg);
  box-shadow: 8px 8px 0 rgba(255,107,53,0.18);
  background: #fff;
}
.card-icon {
  width: 52px;
  height: 52px;
  border-radius: 16px 4px 16px 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  font-size: 1.4rem;
  background: #FFF0E6;
  color: #FF6B35;
}
.category-card:nth-child(2n) .card-icon {
  background: #E6F5F0;
  color: #00A896;
}
.category-card:nth-child(3n) .card-icon {
  background: #FFF9DB;
  color: #D4A100;
}
.card-link {
  font-weight: 700;
  font-size: 0.85rem;
  color: #00A896;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: gap 0.2s;
}
.card-link:hover { color: #FF6B35; gap: 8px; }

/* ========== 特性块 ========== */
.feature-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.feature-image {
  border-radius: 24px 6px 24px 6px;
  overflow: hidden;
  position: relative;
  border: 2px solid #1A1A1A;
  box-shadow: 8px 8px 0 #00A896;
}
.feature-image::before {
  content: '';
  position: absolute;
  top: -14px;
  right: -14px;
  width: 60px;
  height: 60px;
  background: #FFD23F;
  border-radius: 50%;
  z-index: 1;
}
.feature-image img {
  width: 100%;
  height: auto;
  display: block;
}
.feature-text { padding: 10px 0; }
.feature-text h3 {
  font-size: 1.8rem;
  font-weight: 900;
  margin-bottom: 16px;
  color: #1A1A1A;
}
.feature-text p {
  color: #666;
  line-height: 1.8;
  margin-bottom: 20px;
}
.feature-list { list-style: none; }
.feature-list li {
  padding: 8px 0;
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 500;
  font-size: 0.95rem;
}
.feature-list li::before {
  content: '✦';
  font-weight: 700;
  color: #FF6B35;
  font-size: 1.1rem;
}

/* ========== 数据条 ========== */
.stats-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  text-align: center;
}
.stat-item {
  padding: 32px 20px;
  background: #fff;
  border: 2px solid #F0E3D3;
  border-radius: 20px 6px 20px 6px;
  transition: transform 0.3s, box-shadow 0.3s;
  position: relative;
}
.stat-item:hover {
  transform: translateY(-4px);
  box-shadow: 6px 6px 0 #FFD23F;
}
.stat-number {
  font-size: 2.6rem;
  font-weight: 900;
  color: #FF6B35;
  line-height: 1.2;
  letter-spacing: -1px;
}
.stat-label {
  font-size: 0.9rem;
  color: #777;
  margin-top: 8px;
  font-weight: 500;
}

/* ========== 内容墙 ========== */
.content-wall {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 28px;
}
.content-wall-item {
  border-radius: 20px 6px 20px 6px;
  overflow: hidden;
  background: #fff;
  border: 2px solid #F0E3D3;
  transition: all 0.3s ease;
}
.content-wall-item:hover {
  transform: translateY(-4px);
  border-color: #FF6B35;
  box-shadow: 8px 8px 0 rgba(255,107,53,0.15);
}
.content-wall-item img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  display: block;
  border-bottom: 3px solid #FF6B35;
}
.content-wall-body {
  padding: 24px;
}
.content-wall-body h4 {
  font-size: 1.15rem;
  font-weight: 800;
  margin-bottom: 8px;
  color: #1A1A1A;
}
.content-wall-body p {
  font-size: 0.9rem;
  color: #777;
  line-height: 1.6;
}

/* ========== FAQ ========== */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
}
.faq-item {
  background: #fff;
  border: 2px solid #F0E3D3;
  border-radius: 16px 4px 16px 4px;
  margin-bottom: 12px;
  overflow: hidden;
  cursor: pointer;
  transition: border-color 0.3s, box-shadow 0.3s;
}
.faq-item.open {
  border-color: #FF6B35;
  box-shadow: 4px 4px 0 rgba(255,107,53,0.15);
}
.faq-question {
  padding: 18px 24px;
  font-weight: 700;
  font-size: 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: #1A1A1A;
  transition: color 0.2s;
}
.faq-question::after {
  content: '+';
  font-size: 1.5rem;
  color: #FF6B35;
  font-weight: 400;
  transition: transform 0.3s;
}
.faq-item.open .faq-question::after {
  content: '−';
  transform: rotate(180deg);
}
.faq-answer {
  padding: 0 24px 18px;
  display: none;
  color: #666;
  line-height: 1.7;
  font-size: 0.95rem;
  border-top: 1px dashed #F0E3D3;
  padding-top: 14px;
}
.faq-item.open .faq-answer { display: block; }

/* ========== CTA横幅 ========== */
.cta-banner {
  padding: 64px 40px;
  text-align: center;
  border-radius: 28px 8px 28px 8px;
  color: #fff;
  background: linear-gradient(135deg, #FF6B35 0%, #FF8A5C 55%, #FFA775 100%);
  position: relative;
  overflow: hidden;
  box-shadow: 0 16px 40px rgba(255,107,53,0.3);
}
.cta-banner::before {
  content: '';
  position: absolute;
  top: -50px;
  right: -50px;
  width: 150px;
  height: 150px;
  background: rgba(255,255,255,0.12);
  border-radius: 50%;
}
.cta-banner::after {
  content: '';
  position: absolute;
  bottom: -30px;
  left: 15%;
  width: 80px;
  height: 80px;
  background: rgba(255,210,63,0.35);
  border-radius: 50%;
}
.cta-banner h2 {
  font-size: 2.2rem;
  font-weight: 900;
  color: #fff;
  margin-bottom: 14px;
  position: relative;
  z-index: 1;
}
.cta-banner p {
  color: rgba(255,255,255,0.9);
  max-width: 560px;
  margin: 0 auto 30px;
  font-size: 1.05rem;
  position: relative;
  z-index: 1;
}
.cta-banner .btn-primary {
  background: #fff;
  color: #FF6B35;
  box-shadow: 0 6px 20px rgba(0,0,0,0.15);
  position: relative;
  z-index: 1;
}
.cta-banner .btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 28px rgba(0,0,0,0.2);
}

/* ========== 页脚 ========== */
.site-footer {
  background: #F0EAE2;
  padding: 60px 0 28px;
  border-top: 4px solid #FF6B35;
  color: #2D2D2D;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
}
.footer-brand p {
  font-size: 0.9rem;
  color: #777;
  margin-top: 12px;
  line-height: 1.7;
  max-width: 300px;
}
.footer-col h4 {
  font-size: 1rem;
  font-weight: 800;
  margin-bottom: 14px;
  color: #2D2D2D;
  position: relative;
  padding-bottom: 8px;
}
.footer-col h4::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 24px;
  height: 3px;
  background: #FF6B35;
  border-radius: 2px;
}
.footer-col a {
  display: block;
  padding: 5px 0;
  color: #666;
  text-decoration: none;
  font-size: 0.9rem;
  transition: color 0.2s, padding-left 0.2s;
}
.footer-col a:hover {
  color: #FF6B35;
  padding-left: 6px;
}
.footer-bottom {
  border-top: 1px solid rgba(0,0,0,0.08);
  margin-top: 44px;
  padding-top: 22px;
  text-align: center;
  font-size: 0.85rem;
  color: #999;
}

/* ========== 工具类 ========== */
.text-accent { color: #FF6B35; }
.text-center { text-align: center; }
.seo-description {
  max-width: 600px;
  margin: 0 auto 48px;
  color: #888;
  line-height: 1.8;
}
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }

/* ========== 响应式 ========== */
@media (max-width: 992px) {
  .hero .container {
    grid-template-columns: 1fr;
    gap: 50px;
  }
  .hero h1 { font-size: 2.8rem; }
  .hero-image { max-width: 520px; }
  .feature-block { gap: 40px; }
}

@media (max-width: 768px) {
  .section { padding: 56px 0; }
  .hero { min-height: auto; padding: 110px 0 50px; }
  .hero h1 { font-size: 2.3rem; }
  .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;
    position: absolute;
    top: 68px;
    left: 0;
    width: 100%;
    background: #FFF9F0;
    padding: 20px 24px;
    flex-direction: column;
    gap: 18px;
    border-bottom: 3px solid #FF6B35;
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
  }
  .main-nav.open {
    display: flex;
  }
  .menu-toggle { display: block; }
  .cta-banner { padding: 48px 24px; }
  .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; }
  .hero-buttons .btn { justify-content: center; }
  .hero-image { box-shadow: 6px 6px 0 #FF6B35, 12px 12px 0 #FFD23F; }
  .section-title { font-size: 1.8rem; }
  .stat-number { font-size: 2rem; }
}