```css
:root {
  --cream: #faf6f0;
  --cream-dark: #f1e9dd;
  --white: #ffffff;
  --coral: #ff5d3a;
  --coral-dark: #e84a28;
  --teal: #137d7d;
  --teal-light: #1a8f8f;
  --mustard: #f4b63e;
  --text: #2b2b2b;
  --text-muted: #6b6b6b;
  --border: #e8e0d2;
  --shadow: 0 4px 24px rgba(0,0,0,0.06);
  --radius: 16px 4px 16px 4px;
}

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

::selection {
  background: var(--coral);
  color: #fff;
}

::-webkit-scrollbar {
  width: 10px;
}
::-webkit-scrollbar-track {
  background: var(--cream);
}
::-webkit-scrollbar-thumb {
  background: var(--coral);
  border-radius: 10px;
  border: 2px solid var(--cream);
}

body {
  font-family: system-ui, 'PingFang SC', 'Microsoft YaHei', sans-serif;
  overflow-x: hidden;
  background: var(--cream);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  position: relative;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image: radial-gradient(var(--border) 0.5px, transparent 0.5px);
  background-size: 24px 24px;
  opacity: 0.35;
  z-index: 9999;
}

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

.section {
  padding: 90px 0;
  position: relative;
}

.section:nth-child(even) {
  background: var(--cream-dark);
}

/* ========== 导航 ========== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(250, 246, 240, 0.92);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(232, 224, 210, 0.7);
  transition: box-shadow 0.3s;
}

.site-header:hover {
  box-shadow: 0 4px 20px rgba(0,0,0,0.04);
}

.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: var(--text);
  letter-spacing: -0.5px;
  position: relative;
}

.logo::after {
  content: '·';
  color: var(--coral);
  font-size: 1.6rem;
  line-height: 1;
  margin-left: -2px;
}

.logo-icon {
  width: 38px;
  height: 38px;
  border-radius: 12px 4px 12px 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  background: linear-gradient(135deg, var(--coral), var(--mustard));
  color: #fff;
  box-shadow: 0 3px 12px rgba(255, 93, 58, 0.25);
}

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

.main-nav a {
  text-decoration: none;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: color 0.25s, transform 0.25s;
  position: relative;
  padding: 4px 0;
}

.main-nav a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  border-radius: 2px;
  background: var(--coral);
  transition: width 0.25s;
}

.main-nav a:hover {
  color: var(--text);
}

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

.nav-cta {
  padding: 10px 24px !important;
  border-radius: 50px !important;
  color: #fff !important;
  font-weight: 700 !important;
  background: var(--coral);
  box-shadow: 0 4px 14px rgba(255, 93, 58, 0.3);
  transition: background 0.25s, transform 0.25s, box-shadow 0.25s !important;
}

.nav-cta:hover {
  background: var(--coral-dark) !important;
  transform: translateY(-2px) !important;
  box-shadow: 0 6px 20px rgba(255, 93, 58, 0.4) !important;
}

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

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1.5px solid var(--border);
  border-radius: 12px 4px 12px 4px;
  background: var(--white);
  cursor: pointer;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  color: var(--text);
}

/* ========== 首页Hero ========== */
.hero {
  min-height: 85vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding: 100px 0 60px;
  background: linear-gradient(120deg, var(--cream) 0%, #fef4ec 50%, var(--cream) 100%);
}

.hero::before {
  content: '';
  position: absolute;
  right: -80px;
  top: -80px;
  width: 320px;
  height: 320px;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(255, 93, 58, 0.12), rgba(244, 182, 62, 0.12));
  z-index: 0;
}

.hero::after {
  content: '✦';
  position: absolute;
  right: 120px;
  bottom: 30px;
  font-size: 6rem;
  color: var(--mustard);
  opacity: 0.25;
  z-index: 0;
  animation: float 4s ease-in-out infinite;
}

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

.hero * {
  position: relative;
  z-index: 1;
}

.hero-content {
  max-width: 760px;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  padding: 5px 18px;
  border-radius: 50px;
  margin-bottom: 22px;
  background: var(--white);
  color: var(--teal);
  border: 1.5px dashed var(--teal);
}

.hero-eyebrow::before {
  content: '●';
  font-size: 6px;
  color: var(--coral);
}

.hero h1 {
  font-size: 3.4rem;
  font-weight: 900;
  line-height: 1.15;
  margin-bottom: 24px;
  letter-spacing: -1px;
  color: var(--text);
}

.hero h1::after {
  content: '';
  display: block;
  width: 72px;
  height: 6px;
  border-radius: 3px;
  background: linear-gradient(90deg, var(--coral), var(--mustard));
  margin-top: 18px;
}

.hero p {
  font-size: 1.1rem;
  opacity: 0.65;
  max-width: 560px;
  margin-bottom: 36px;
  line-height: 1.7;
}

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

.hero-image {
  border-radius: 20px 6px 20px 6px;
  overflow: hidden;
  position: relative;
  box-shadow: var(--shadow);
  transform: rotate(1deg);
  transition: transform 0.4s ease;
}

.hero-image:hover {
  transform: rotate(0deg) scale(1.015);
}

.hero-image::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(19, 125, 125, 0.15), transparent 60%);
  pointer-events: none;
  z-index: 1;
}

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

/* ========== 按钮 ========== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 32px;
  border-radius: 50px;
  font-weight: 700;
  font-size: 0.92rem;
  cursor: pointer;
  border: none;
  text-decoration: none;
  transition: transform 0.25s, box-shadow 0.25s, background 0.25s;
}

.btn::after {
  content: '→';
  font-size: 1.05rem;
  transition: transform 0.25s;
}

.btn:hover::after {
  transform: translateX(4px);
}

.btn-primary {
  color: #fff;
  background: var(--coral);
  box-shadow: 0 6px 20px rgba(255, 93, 58, 0.35);
}

.btn-primary:hover {
  background: var(--coral-dark);
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(255, 93, 58, 0.4);
}

.btn-outline {
  background: var(--white);
  border: 2px solid var(--border);
  color: var(--text);
}

.btn-outline:hover {
  border-color: var(--teal);
  color: var(--teal);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(19, 125, 125, 0.12);
}

/* ========== 标签/标题 ========== */
.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  margin-bottom: 14px;
  color: var(--teal);
}

.section-label::before {
  content: '//';
  color: var(--coral);
  font-weight: 900;
  font-size: 0.9rem;
}

.section-title {
  font-size: 2.2rem;
  font-weight: 900;
  line-height: 1.3;
  margin-bottom: 16px;
  letter-spacing: -0.5px;
  position: relative;
  display: inline-block;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 0;
  width: 100%;
  height: 10px;
  background: linear-gradient(90deg, rgba(255, 93, 58, 0.18), transparent);
  z-index: -1;
  border-radius: 2px;
}

.section-desc {
  max-width: 620px;
  opacity: 0.65;
  margin-bottom: 44px;
  line-height: 1.7;
  font-size: 0.98rem;
}

/* ========== 卡片网格 ========== */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(270px, 1fr));
  gap: 28px;
}

.category-card {
  border-radius: 20px 4px 20px 4px;
  padding: 32px 28px;
  background: var(--white);
  border: 1px solid var(--border);
  position: relative;
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
  overflow: hidden;
}

.category-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--coral), var(--mustard));
  border-radius: 4px 0 4px 0;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s ease;
}

.category-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 32px rgba(0,0,0,0.08);
  border-color: var(--coral);
}

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

.card-icon {
  width: 54px;
  height: 54px;
  border-radius: 14px 4px 14px 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  font-size: 1.5rem;
  background: linear-gradient(135deg, var(--cream), var(--cream-dark));
  border: 1px solid var(--border);
}

.category-card:nth-child(2n) .card-icon {
  background: linear-gradient(135deg, rgba(19, 125, 125, 0.1), rgba(19, 125, 125, 0.04));
  border-color: rgba(19, 125, 125, 0.2);
}

.category-card h3 {
  font-size: 1.1rem;
  font-weight: 800;
  margin-bottom: 8px;
}

.category-card p {
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-bottom: 18px;
  line-height: 1.5;
}

.card-link {
  font-weight: 700;
  font-size: 0.82rem;
  text-decoration: none;
  color: var(--coral);
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: gap 0.25s;
}

.card-link::after {
  content: '↗';
}

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

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

.feature-image {
  border-radius: 20px 6px 20px 6px;
  overflow: hidden;
  box-shadow: var(--shadow);
  position: relative;
}

.feature-image::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(244, 182, 62, 0.08), transparent 50%);
}

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

.feature-text h3 {
  font-size: 1.5rem;
  font-weight: 900;
  margin-bottom: 14px;
  letter-spacing: -0.3px;
}

.feature-text p {
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 20px;
}

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

.feature-list li {
  padding: 8px 0;
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 600;
  font-size: 0.95rem;
}

.feature-list li::before {
  content: '✓';
  font-weight: 900;
  color: var(--teal);
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: rgba(19, 125, 125, 0.1);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
}

/* ========== 数据条 ========== */
.stats-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  text-align: center;
}

.stat-item {
  padding: 32px 24px;
  border-radius: 20px 4px 20px 4px;
  background: var(--white);
  border: 1px solid var(--border);
  position: relative;
  transition: transform 0.3s, box-shadow 0.3s;
}

.stat-item:nth-child(1) { border-top: 4px solid var(--coral); }
.stat-item:nth-child(2) { border-top: 4px solid var(--teal); }
.stat-item:nth-child(3) { border-top: 4px solid var(--mustard); }
.stat-item:nth-child(4) { border-top: 4px solid var(--coral); }

.stat-item:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.07);
}

.stat-number {
  font-size: 2.6rem;
  font-weight: 900;
  line-height: 1.2;
  letter-spacing: -1px;
  background: linear-gradient(135deg, var(--coral), var(--mustard));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-label {
  font-size: 0.85rem;
  opacity: 0.6;
  margin-top: 8px;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
}

/* ========== 内容墙 ========== */
.content-wall {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(290px, 1fr));
  gap: 28px;
}

.content-wall-item {
  border-radius: 20px 4px 20px 4px;
  overflow: hidden;
  background: var(--white);
  border: 1px solid var(--border);
  transition: transform 0.3s, box-shadow 0.3s, border-color 0.3s;
  position: relative;
}

.content-wall-item:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 32px rgba(0,0,0,0.09);
  border-color: var(--teal);
}

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

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

.content-wall-body h3 {
  font-size: 1.05rem;
  font-weight: 800;
  margin-bottom: 6px;
}

.content-wall-body p {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.5;
}

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

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

.faq-item {
  border: 1px solid var(--border);
  border-radius: 16px 4px 16px 4px;
  margin-bottom: 10px;
  overflow: hidden;
  background: var(--white);
  transition: border-color 0.3s, box-shadow 0.3s;
}

.faq-item:hover {
  border-color: var(--teal);
}

.faq-item.open {
  border-color: var(--coral);
  box-shadow: 0 4px 20px rgba(255, 93, 58, 0.08);
}

.faq-item .faq-question {
  padding: 18px 24px;
  font-weight: 700;
  font-size: 0.98rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  color: var(--text);
  background: var(--white);
  transition: background 0.3s;
}

.faq-item .faq-question::after {
  content: '+';
  font-size: 1.3rem;
  font-weight: 400;
  color: var(--coral);
  transition: transform 0.3s;
  line-height: 1;
}

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

.faq-item .faq-answer {
  padding: 0 24px 18px;
  display: none;
  color: var(--text-muted);
  line-height: 1.7;
  font-size: 0.92rem;
  border-top: 1px dashed var(--border);
  padding-top: 14px;
}

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

/* ========== CTA横幅 ========== */
.cta-banner {
  padding: 64px 40px;
  text-align: center;
  border-radius: 24px 6px 24px 6px;
  background: linear-gradient(135deg, var(--teal) 0%, #1a8f8f 60%, var(--teal) 100%);
  position: relative;
  overflow: hidden;
}

.cta-banner::before {
  content: '';
  position: absolute;
  top: -40px;
  right: -40px;
  width: 180px;
  height: 180px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.06);
}

.cta-banner::after {
  content: '';
  position: absolute;
  bottom: -30px;
  left: -30px;
  width: 120px;
  height: 120px;
  border-radius: 50%;
  background: rgba(244, 182, 62, 0.2);
}

.cta-banner h2 {
  color: #fff;
  font-size: 2rem;
  font-weight: 900;
  margin-bottom: 14px;
  position: relative;
  z-index: 1;
}

.cta-banner p {
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 28px;
  position: relative;
  z-index: 1;
  font-size: 0.98rem;
}

.cta-banner .btn-primary {
  background: var(--mustard);
  color: var(--text);
  box-shadow: 0 6px 20px rgba(244, 182, 62, 0.35);
  position: relative;
  z-index: 1;
}

.cta-banner .btn-primary:hover {
  background: var(--mustard);
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(244, 182, 62, 0.45);
}

/* ========== 页脚 ========== */
.site-footer {
  padding: 64px 0 32px;
  background: var(--teal);
  color: rgba(255, 255, 255, 0.9);
  position: relative;
  border-radius: 32px 32px 0 0;
  margin-top: 40px;
}

.site-footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 6px;
  background: linear-gradient(90deg, var(--coral), var(--mustard), var(--coral));
}

.site-footer .container {
  padding-top: 20px;
}

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

.footer-brand p {
  opacity: 0.85;
  line-height: 1.7;
  font-size: 0.9rem;
  margin-top: 16px;
}

.footer-col h4 {
  font-size: 0.85rem;
  font-weight: 800;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 20px;
  color: rgba(255, 255, 255, 0.95);
  border-bottom: 2px solid rgba(255, 255, 255, 0.2);
  padding-bottom: 10px;
}

.footer-col ul {
  list-style: none;
}

.footer-col ul li {
  margin-bottom: 10px;
}

.footer-col ul li a {
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color 0.25s, padding-left 0.25s;
}

.footer-col ul li a:hover {
  color: var(--mustard);
  padding-left: 4px;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  margin-top: 48px;
  padding-top: 24px;
  text-align: center;
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.55);
}

.footer-bottom a {
  color: var(--mustard);
  text-decoration: none;
}

/* ========== 工具类 ========== */
.text-accent {
  color: var(--coral);
  font-weight: 800;
}

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

.seo-description {
  max-width: 600px;
  margin: 0 auto 48px;
  opacity: 0.65;
  line-height: 1.7;
  text-align: center;
  font-size: 0.95rem;
}

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

.text-center .section-title::after {
  left: 50%;
  transform: translateX(-50%);
}

/* ========== 额外装饰 ========== */
.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255, 93, 58, 0.08);
  color: var(--coral);
  padding: 4px 16px;
  border-radius: 50px;
  font-size: 0.78rem;
  font-weight: 700;
  margin-bottom: 16px;
}

.section-tag::before {
  content: '★';
  font-size: 0.7rem;
}

.dot-divider {
  width: 48px;
  height: 4px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--coral), transparent);
  margin: 24px 0;
}

.pill-group {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.pill-group span {
  background: var(--white);
  border: 1px solid var(--border);
  padding: 6px 16px;
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 600;
  transition: all 0.25s;
}

.pill-group span:hover {
  border-color: var(--coral);
  color: var(--coral);
  background: rgba(255, 93, 58, 0.04);
}

/* 数字装饰圈 */
.number-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 38px;
  height: 38px;
  padding: 0 10px;
  border-radius: 50%;
  background: var(--white);
  border: 2px solid var(--coral);
  font-weight: 800;
  color: var(--coral);
  font-size: 0.9rem;
}

/* ========== 响应式 ========== */
@media (max-width: 1024px) {
  .hero h1 {
    font-size: 2.6rem;
  }

  .feature-block {
    gap: 40px;
  }

  .stats-bar {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }
}

@media (max-width: 768px) {
  .section {
    padding: 64px 0;
  }

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

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

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

  .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: var(--cream);
    padding: 24px;
    gap: 16px;
    box-shadow: 0 12px 32px rgba(0,0,0,0.08);
    border-bottom: 1px solid var(--border);
  }

  .main-nav.open a {
    font-size: 1rem;
    padding: 8px 0;
  }

  .nav-cta {
    display: inline-block;
    text-align: center;
    padding: 12px 24px !important;
  }

  .hero {
    padding-top: 100px;
    min-height: auto;
  }

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

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

  .hero-buttons {
    flex-direction: column;
    gap: 12px;
  }

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

  .cta-banner {
    padding: 48px 24px;
  }

  .cta-banner h2 {
    font-size: 1.6rem;
  }
}

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

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .hero-buttons {
    flex-direction: column;
  }

  .section-title {
    font-size: 1.6rem;
  }

  .hero h1 {
    font-size: 1.8rem;
  }

  .stat-number {
    font-size: 2rem;
  }

  .logo {
    font-size: 1.05rem;
  }

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

  .container {
    padding: 0 16px;
  }
}