```css
*, *::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:#FDF8F0;
  background-image: radial-gradient(rgba(45,52,54,0.05) 1px, transparent 1px);
  background-size:26px 26px;
  color:#2D3436;
  line-height:1.7;
  -webkit-font-smoothing: antialiased;
}

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

.section {
  padding:96px 0;
  position:relative;
}

.section:nth-child(even) {
  background:#F8EFE3;
  background-image: radial-gradient(rgba(45,52,54,0.04) 1px, transparent 1px);
  background-size:20px 20px;
}

/* ========= 导航栏 ========= */
.site-header {
  position:fixed;
  top:0;
  left:0;
  width:100%;
  z-index:1000;
  background:rgba(253,248,240,0.92);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:2px solid #2D3436;
}

.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:1.25rem;
  text-decoration:none;
  color:#2D3436;
  letter-spacing:-0.5px;
}

.logo-icon {
  width:38px;
  height:38px;
  border-radius:12px 12px 12px 3px;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:1.2rem;
  background:#FF6B4A;
  color:#fff;
  box-shadow:3px 3px 0 #2D3436;
  transition:transform 0.25s;
}

.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 {
  text-decoration:none;
  font-size:0.9rem;
  font-weight:500;
  transition:color 0.2s;
  color:#2D3436;
  position:relative;
  padding:4px 0;
}

.main-nav a::after {
  content:'';
  display:block;
  height:3px;
  border-radius:2px;
  background:#2EC4B6;
  transition:width 0.28s ease;
  width:0;
}

.main-nav a:hover {
  color:#FF6B4A;
}

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

.nav-cta {
  background:#2EC4B6;
  padding:10px 22px;
  border-radius:10px 10px 10px 3px;
  color:#fff !important;
  font-weight:700;
  box-shadow:3px 3px 0 #2D3436;
  transition:all 0.2s;
}

.nav-cta:hover {
  background:#FF6B4A;
  color:#fff !important;
}

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

.menu-toggle {
  display:none;
  background:none;
  border:2px solid #2D3436;
  border-radius:10px;
  cursor:pointer;
  width:42px;
  height:42px;
  align-items:center;
  justify-content:center;
  position:relative;
}

.menu-toggle::before {
  content:'';
  width:18px;
  height:2px;
  background:#2D3436;
  display:block;
  box-shadow:0 -6px 0 #2D3436, 0 6px 0 #2D3436;
}

/* ========= Hero ========= */
.hero {
  min-height:82vh;
  display:flex;
  align-items:center;
  padding-top:70px;
  position:relative;
  overflow:hidden;
}

.hero > .container {
  display:flex;
  gap:64px;
  align-items:center;
  width:100%;
}

.hero::before {
  content:'';
  position:absolute;
  right:4%;
  top:18%;
  width:130px;
  height:130px;
  border-radius:50%;
  background:rgba(255,107,74,0.12);
  z-index:0;
  pointer-events:none;
}

.hero::after {
  content:'';
  position:absolute;
  right:14%;
  bottom:12%;
  width:90px;
  height:90px;
  background:rgba(46,196,182,0.14);
  border-radius:24px 24px 24px 6px;
  z-index:0;
  pointer-events:none;
}

.hero-content {
  flex:1 1 55%;
  max-width:720px;
  position:relative;
  z-index:1;
}

.hero-eyebrow {
  display:inline-block;
  font-size:0.8rem;
  font-weight:700;
  padding:6px 16px;
  border-radius:20px;
  margin-bottom:20px;
  background:#FF6B4A;
  color:#fff;
  box-shadow:2px 2px 0 #2D3436;
  text-transform:uppercase;
  letter-spacing:1.5px;
}

.hero h1 {
  font-size:3.4rem;
  line-height:1.08;
  margin-bottom:22px;
  color:#2D3436;
  letter-spacing:-2px;
  font-weight:800;
}

.hero h1 .text-accent {
  position:relative;
  display:inline-block;
  color:#2D3436;
}

.hero h1 .text-accent::after {
  content:'';
  position:absolute;
  left:0;
  bottom:0.1em;
  width:100%;
  height:0.3em;
  background:rgba(255,107,74,0.28);
  z-index:-1;
  border-radius:2px;
}

.hero p {
  font-size:1.1rem;
  color:rgba(45,52,54,0.65);
  max-width:520px;
  margin-bottom:36px;
  line-height:1.7;
}

.hero-buttons {
  display:flex;
  gap:16px;
  flex-wrap:wrap;
}

.hero-image {
  flex:1 1 45%;
  max-width:480px;
  margin-left:auto;
  border-radius:18px 18px 18px 6px;
  overflow:hidden;
  background:linear-gradient(135deg, #F9C80E 0%, #FF6B4A 55%, #FF8A70 100%);
  min-height:360px;
  display:flex;
  align-items:center;
  justify-content:center;
  border:3px solid #2D3436;
  box-shadow:8px 8px 0 #2D3436;
  position:relative;
  z-index:1;
}

.hero-image::before {
  content:'';
  position:absolute;
  width:78%;
  height:55%;
  background:rgba(255,255,255,0.92);
  border:2px solid #2D3436;
  border-radius:14px 14px 14px 4px;
  transform:rotate(-4deg);
  box-shadow:4px 4px 0 #2D3436;
  top:18%;
  left:8%;
  z-index:1;
}

.hero-image::after {
  content:'';
  position:absolute;
  width:55%;
  height:18%;
  background:#2EC4B6;
  border:2px solid #2D3436;
  border-radius:10px 10px 10px 3px;
  bottom:14%;
  right:8%;
  transform:rotate(6deg);
  box-shadow:3px 3px 0 #2D3436;
  z-index:2;
}

.hero-image img {
  width:100%;
  height:auto;
  position:relative;
  z-index:3;
  object-fit:cover;
  display:block;
}

/* ========= 按钮 ========= */
.btn {
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:13px 30px;
  border-radius:10px 10px 10px 3px;
  font-weight:700;
  cursor:pointer;
  border:none;
  text-decoration:none;
  transition:all 0.22s;
  font-size:0.95rem;
  line-height:1.2;
}

.btn-primary {
  background:#FF6B4A;
  color:#fff;
  box-shadow:4px 4px 0 #2D3436;
}

.btn-primary:hover {
  transform:translate(-2px,-2px);
  box-shadow:6px 6px 0 #2D3436;
}

.btn-primary:active {
  transform:translate(1px,1px);
  box-shadow:2px 2px 0 #2D3436;
}

.btn-outline {
  background:transparent;
  border:2px solid #2D3436;
  color:#2D3436;
  box-shadow:4px 4px 0 #2D3436;
}

.btn-outline:hover {
  background:#2EC4B6;
  color:#fff;
  border-color:#2D3436;
  transform:translate(-2px,-2px);
  box-shadow:6px 6px 0 #2D3436;
}

/* ========= 标签/标题 ========= */
.section-label {
  display:inline-block;
  font-size:0.75rem;
  font-weight:800;
  letter-spacing:3px;
  margin-bottom:14px;
  text-transform:uppercase;
  color:#FF6B4A;
  border-bottom:3px solid #2EC4B6;
  padding-bottom:6px;
}

.section-title {
  font-size:2.4rem;
  margin-bottom:14px;
  color:#2D3436;
  letter-spacing:-1px;
  line-height:1.15;
  font-weight:800;
}

.section-desc {
  max-width:600px;
  color:rgba(45,52,54,0.6);
  margin-bottom:44px;
  font-size:1rem;
}

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

.category-card {
  border-radius:14px 14px 14px 4px;
  padding:30px;
  border:2px solid #2D3436;
  transition:all 0.22s;
  background:#fff;
  box-shadow:5px 5px 0 #2D3436;
  position:relative;
  overflow:hidden;
}

.category-card::before {
  content:'';
  position:absolute;
  top:-1px;
  left:-1px;
  width:32px;
  height:32px;
  background:#F9C80E;
  border-right:2px solid #2D3436;
  border-bottom:2px solid #2D3436;
  border-bottom-right-radius:14px;
  opacity:0.7;
  transition:opacity 0.2s;
}

.category-card:hover {
  transform:translate(-3px,-3px);
  box-shadow:8px 8px 0 #2D3436;
}

.category-card:hover .card-icon {
  transform:rotate(-10deg) scale(1.08);
  background:#FF6B4A;
  color:#fff;
}

.card-icon {
  width:50px;
  height:50px;
  border-radius:12px 12px 12px 3px;
  display:flex;
  align-items:center;
  justify-content:center;
  margin-bottom:18px;
  font-size:1.4rem;
  background:#F8EFE3;
  border:2px solid #2D3436;
  transition:all 0.25s;
}

.card-link {
  font-weight:700;
  font-size:0.85rem;
  text-decoration:none;
  color:#FF6B4A;
  display:inline-flex;
  align-items:center;
  gap:4px;
  transition:gap 0.2s;
}

.card-link:hover {
  gap:8px;
}

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

.feature-image {
  border-radius:14px 14px 14px 4px;
  overflow:hidden;
  border:2px solid #2D3436;
  box-shadow:6px 6px 0 #2D3436;
  background:linear-gradient(135deg, #2EC4B6, #F9C80E);
  min-height:260px;
  display:flex;
  align-items:center;
  justify-content:center;
  transition:transform 0.25s;
}

.feature-image:hover {
  transform:translate(-2px,-2px);
  box-shadow:8px 8px 0 #2D3436;
}

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

.feature-text {
  padding:8px 0;
}

.feature-text h3 {
  font-size:1.55rem;
  margin-bottom:14px;
  color:#2D3436;
  letter-spacing:-0.5px;
}

.feature-text p {
  color:rgba(45,52,54,0.6);
  margin-bottom:18px;
}

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

.feature-list li {
  padding:7px 0;
  display:flex;
  align-items:center;
  gap:10px;
  font-weight:500;
}

.feature-list li::before {
  content:'✓';
  font-weight:800;
  color:#2EC4B6;
  font-size:1.1rem;
  background:rgba(46,196,182,0.1);
  border-radius:50%;
  width:22px;
  height:22px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border:1.5px solid #2EC4B6;
  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:14px 14px 14px 4px;
  border:2px solid #2D3436;
  background:#fff;
  box-shadow:5px 5px 0 #2D3436;
  transition:all 0.22s;
}

.stat-item:hover {
  transform:translate(-2px,-2px);
  box-shadow:7px 7px 0 #2D3436;
}

.stat-number {
  font-size:2.7rem;
  font-weight:800;
  color:#FF6B4A;
  letter-spacing:-2px;
  line-height:1.1;
}

.stat-label {
  font-size:0.9rem;
  color:rgba(45,52,54,0.55);
  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:14px 14px 14px 4px;
  overflow:hidden;
  border:2px solid #2D3436;
  transition:all 0.22s;
  background:#fff;
  box-shadow:5px 5px 0 #2D3436;
}

.content-wall-item:hover {
  transform:translate(-3px,-3px);
  box-shadow:8px 8px 0 #2D3436;
}

.content-wall-item:hover img {
  transform:scale(1.04);
}

.content-wall-item img {
  width:100%;
  height:200px;
  object-fit:cover;
  display:block;
  transition:transform 0.35s ease;
  background:linear-gradient(135deg, #FF6B4A, #F9C80E);
}

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

.content-wall-body h3 {
  font-size:1.08rem;
  margin-bottom:8px;
  color:#2D3436;
  line-height:1.4;
}

.content-wall-body p {
  font-size:0.9rem;
  color:rgba(45,52,54,0.6);
}

.content-wall-body .card-link {
  margin-top:14px;
  display:inline-flex;
}

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

.faq-item {
  border:2px solid #2D3436;
  border-radius:12px 12px 12px 4px;
  margin-bottom:14px;
  cursor:pointer;
  background:#fff;
  box-shadow:4px 4px 0 #2D3436;
  transition:all 0.2s;
}

.faq-item:hover {
  transform:translate(-1px,-1px);
  box-shadow:5px 5px 0 #2D3436;
}

.faq-item.open {
  box-shadow:2px 2px 0 #2D3436;
  transform:translate(2px,2px);
}

.faq-item .faq-question {
  padding:18px 22px;
  font-weight:700;
  display:flex;
  justify-content:space-between;
  align-items:center;
  font-size:1.02rem;
  color:#2D3436;
}

.faq-item .faq-question::after {
  content:'+';
  font-size:1.4rem;
  color:#FF6B4A;
  font-weight:400;
  transition:transform 0.2s;
  line-height:1;
}

.faq-item.open .faq-question::after {
  content:'−';
  color:#2EC4B6;
  transform:rotate(180deg);
}

.faq-item .faq-answer {
  padding:0 22px 20px;
  display:none;
  color:rgba(45,52,54,0.65);
  line-height:1.7;
  animation:fadeInUp 0.25s ease;
}

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

@keyframes fadeInUp {
  from { opacity:0; transform:translateY(-4px); }
  to { opacity:1; transform:translateY(0); }
}

/* ========= CTA横幅 ========= */
.cta-banner {
  padding:64px 48px;
  text-align:center;
  border-radius:18px 18px 18px 6px;
  color:#fff;
  background:#FF6B4A;
  background-image:radial-gradient(rgba(255,255,255,0.15) 1px, transparent 1px);
  background-size:20px 20px;
  border:3px solid #2D3436;
  box-shadow:8px 8px 0 #2D3436;
  position:relative;
  overflow:hidden;
}

.cta-banner::before {
  content:'';
  position:absolute;
  width:120px;
  height:120px;
  border-radius:50%;
  background:rgba(255,255,255,0.08);
  top:-40px;
  right:-30px;
}

.cta-banner::after {
  content:'';
  position:absolute;
  width:60px;
  height:60px;
  background:rgba(46,196,182,0.4);
  bottom:-20px;
  left:-10px;
  border-radius:16px 16px 16px 4px;
  border:2px solid #2D3436;
}

.cta-banner h2 {
  color:#fff;
  font-size:2rem;
  margin-bottom:12px;
  letter-spacing:-1px;
  position:relative;
  z-index:1;
}

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

.cta-banner .btn-primary {
  background:#fff;
  color:#FF6B4A;
  box-shadow:4px 4px 0 #2D3436;
  position:relative;
  z-index:1;
}

.cta-banner .btn-primary:hover {
  transform:translate(-2px,-2px);
  box-shadow:6px 6px 0 #2D3436;
}

/* ========= 页脚 ========= */
.site-footer {
  padding:60px 0 28px;
  background:#FDF8F0;
  border-top:3px solid #2D3436;
  position:relative;
}

.site-footer::before {
  content:'';
  position:absolute;
  top:-3px;
  left:0;
  width:140px;
  height:3px;
  background:#FF6B4A;
}

.footer-grid {
  display:grid;
  grid-template-columns:2fr 1fr 1fr 1fr;
  gap:44px;
}

.footer-brand .logo {
  margin-bottom:14px;
}

.footer-brand p {
  font-size:0.9rem;
  color:rgba(45,52,54,0.55);
  max-width:260px;
}

.footer-col h3 {
  font-size:1rem;
  margin-bottom:16px;
  color:#2D3436;
  font-weight:800;
}

.footer-col a {
  color:rgba(45,52,54,0.7);
  text-decoration:none;
  display:block;
  padding:5px 0;
  font-size:0.92rem;
  transition:all 0.2s;
}

.footer-col a:hover {
  color:#FF6B4A;
  padding-left:4px;
}

.footer-bottom {
  border-top:2px solid #2D3436;
  margin-top:44px;
  padding-top:22px;
  text-align:center;
  font-size:0.85rem;
  color:rgba(45,52,54,0.55);
}

/* ========= 工具类 ========= */
.text-accent {
  color:#FF6B4A;
}

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

.seo-description {
  max-width:600px;
  margin:0 auto 48px;
  color:rgba(45,52,54,0.6);
  text-align:center;
}

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

/* ========= 响应式 ========= */
@media (max-width: 992px) {
  .hero > .container {
    gap:40px;
  }
  
  .hero h1 {
    font-size:2.6rem;
  }
  
  .hero::before { width:80px; height:80px; }
  .hero::after { width:60px; height:60px; }
  
  .hero-image {
    min-height:280px;
  }
}

@media (max-width: 768px) {
  .site-header {
    backdrop-filter:blur(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:#FDF8F0;
    padding:24px;
    border-bottom:2px solid #2D3436;
    gap:18px;
    box-shadow:0 8px 20px rgba(0,0,0,0.08);
    animation:fadeInUp 0.25s ease;
  }
  
  .main-nav.open .nav-cta {
    text-align:center;
  }
  
  .hero {
    padding-top:90px;
    min-height:auto;
  }
  
  .hero > .container {
    flex-direction:column;
    gap:40px;
    padding:32px 0 48px;
  }
  
  .hero-content {
    max-width:100%;
    text-align:left;
  }
  
  .hero h1 {
    font-size:2.4rem;
  }
  
  .hero p {
    font-size:1rem;
  }
  
  .hero-image {
    max-width:100%;
    width:100%;
    min-height:240px;
  }
  
  .hero-buttons {
    flex-wrap:wrap;
  }
  
  .section {
    padding:72px 0;
  }
  
  .cta-banner {
    padding:48px 24px;
  }
  
  .cta-banner h2 {
    font-size:1.6rem;
  }
  
  .section-title {
    font-size:1.9rem;
  }
}

@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;
    align-items:stretch;
  }
  
  .hero-buttons .btn {
    justify-content:center;
  }
  
  .hero h1 {
    font-size:2rem;
  }
  
  .hero::before {
    width:60px;
    height:60px;
    right:2%;
  }
  
  .hero::after {
    width:40px;
    height:40px;
    right:8%;
    bottom:6%;
  }
  
  .hero-image {
    min-height:200px;
  }
  
  .hero-image::before {
    width:70%;
    height:50%;
  }
  
  .hero-image::after {
    width:45%;
    height:14%;
  }
  
  .section-title {
    font-size:1.7rem;
  }
  
  .stat-number {
    font-size:2rem;
  }
  
  .cta-banner {
    padding:40px 20px;
  }
  
  .cta-banner h2 {
    font-size:1.4rem;
  }
  
  .menu-toggle {
    width:38px;
    height:38px;
  }
}