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

:root {
  --bg: #FBF7F0;
  --bg-alt: #F4EFE5;
  --text: #1E2A32;
  --text-light: #5A6B7A;
  --accent: #E8734A;
  --accent-2: #D99A3D;
  --blue: #6FA3B8;
  --card-bg: #FFFFFF;
  --border: rgba(30, 42, 50, 0.08);
  --shadow: 0 8px 30px rgba(30, 42, 50, 0.06);
}

body {
  font-family: system-ui, 'PingFang SC', 'Microsoft YaHei', sans-serif;
  overflow-x: hidden;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

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

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

.section:nth-child(even) {
  background: var(--bg-alt);
}

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

/* ==========================================
   固定导航 — 玻璃暖玉
   ========================================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(251, 247, 240, 0.82);
  backdrop-filter: blur(20px) saturate(1.4);
  -webkit-backdrop-filter: blur(20px) saturate(1.4);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
  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;
}

.logo-icon {
  width: 38px;
  height: 38px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff;
  box-shadow: 0 6px 18px rgba(232, 115, 74, 0.3);
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.main-nav a {
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-light);
  transition: color 0.25s;
  position: relative;
  padding: 4px 0;
}

.main-nav a:not(.nav-cta)::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -6px;
  width: 0;
  height: 2px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  transition: width 0.3s ease;
}

.main-nav a:not(.nav-cta):hover {
  color: var(--text);
}

.main-nav a:not(.nav-cta):hover::after {
  width: 100%;
}

.nav-cta {
  padding: 10px 26px;
  border-radius: 40px;
  color: #fff !important;
  font-weight: 700;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  box-shadow: 0 4px 16px rgba(232, 115, 74, 0.3);
  transition: transform 0.25s, box-shadow 0.25s;
}

.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(232, 115, 74, 0.4);
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.4rem;
  color: var(--text);
  cursor: pointer;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
}

/* ==========================================
   Hero — 午夜暖光
   ========================================== */
.hero {
  min-height: 78vh;
  display: flex;
  align-items: center;
  gap: 60px;
  flex-wrap: wrap;
  position: relative;
  padding-top: 76px;
  background:
    radial-gradient(ellipse at 85% 15%, rgba(232, 115, 74, 0.1) 0%, transparent 55%),
    radial-gradient(ellipse at 10% 85%, rgba(111, 163, 184, 0.12) 0%, transparent 55%),
    var(--bg);
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(30, 42, 50, 0.035) 1px, transparent 1px);
  background-size: 32px 32px;
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  width: 480px;
  height: 480px;
  border-radius: 50%;
  border: 1.5px dashed rgba(232, 115, 74, 0.18);
  bottom: -160px;
  right: -80px;
  pointer-events: none;
  animation: slowSpin 60s linear infinite;
}

@keyframes slowSpin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.hero-content {
  max-width: 720px;
  flex: 1 1 500px;
  position: relative;
  z-index: 2;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  font-weight: 700;
  padding: 6px 18px;
  border-radius: 40px;
  margin-bottom: 20px;
  background: rgba(232, 115, 74, 0.1);
  color: var(--accent);
  border: 1px solid rgba(232, 115, 74, 0.2);
}

.hero-eyebrow::before {
  content: '✦';
  font-size: 0.9rem;
}

.hero h1 {
  font-size: 3.2rem;
  line-height: 1.15;
  margin-bottom: 20px;
  font-weight: 800;
  letter-spacing: -1.5px;
}

.hero p {
  font-size: 1.1rem;
  opacity: 0.65;
  max-width: 580px;
  margin-bottom: 36px;
  line-height: 1.8;
}

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

.hero-image {
  flex: 1 1 360px;
  border-radius: 24px;
  overflow: hidden;
  box-shadow: 0 12px 40px rgba(30, 42, 50, 0.1);
  border: 4px solid rgba(255, 255, 255, 0.6);
  position: relative;
  z-index: 2;
}

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

/* ==========================================
   按钮
   ========================================== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 50px;
  font-weight: 700;
  font-size: 0.9rem;
  cursor: pointer;
  border: none;
  text-decoration: none;
  transition: all 0.25s ease;
  letter-spacing: 0.3px;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff;
  box-shadow: 0 6px 20px rgba(232, 115, 74, 0.35);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 30px rgba(232, 115, 74, 0.42);
}

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

.btn-outline:hover {
  background: var(--text);
  color: var(--bg);
  transform: translateY(-3px);
}

/* ==========================================
   标题与标签
   ========================================== */
.section-label {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 3px;
  text-transform: uppercase;
  margin-bottom: 12px;
  color: var(--accent);
  position: relative;
}

.section-title {
  font-size: 2.2rem;
  font-weight: 800;
  margin-bottom: 14px;
  letter-spacing: -0.8px;
  line-height: 1.25;
}

.section-desc {
  max-width: 620px;
  opacity: 0.6;
  font-size: 1.02rem;
  margin-bottom: 48px;
  line-height: 1.75;
}

.text-accent {
  color: var(--accent);
}

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

.seo-description {
  max-width: 640px;
  margin: 0 auto 48px;
  opacity: 0.6;
  text-align: center;
  line-height: 1.8;
}

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

.category-card {
  background: var(--card-bg);
  border-radius: 22px;
  padding: 34px 28px;
  border: 1px solid var(--border);
  transition: all 0.35s ease;
  position: relative;
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(30, 42, 50, 0.02);
}

.category-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2), var(--blue));
  opacity: 0;
  transition: opacity 0.35s;
}

.category-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 16px 40px rgba(30, 42, 50, 0.08);
}

.category-card:hover::before {
  opacity: 1;
}

.card-icon {
  width: 52px;
  height: 52px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 20px;
  background: linear-gradient(135deg, rgba(232, 115, 74, 0.1), rgba(217, 154, 61, 0.08));
}

.card-link {
  font-weight: 700;
  font-size: 0.88rem;
  text-decoration: none;
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: gap 0.2s ease;
}

.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: 24px;
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 4px solid rgba(255, 255, 255, 0.5);
}

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

.feature-text .section-title {
  margin-bottom: 18px;
}

.feature-text .section-label {
  margin-bottom: 8px;
}

.feature-list {
  list-style: none;
  margin-top: 28px;
}

.feature-list li {
  padding: 10px 0;
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 500;
  border-bottom: 1px solid var(--border);
}

.feature-list li:last-child {
  border-bottom: none;
}

.feature-list li::before {
  content: '✓';
  font-weight: 800;
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: rgba(232, 115, 74, 0.12);
  font-size: 0.75rem;
  flex-shrink: 0;
}

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

.stat-item {
  padding: 40px 24px;
  border-radius: 24px;
  background: var(--card-bg);
  border: 1px solid var(--border);
  transition: transform 0.25s, box-shadow 0.25s;
  box-shadow: 0 2px 6px rgba(30, 42, 50, 0.02);
}

.stat-item:hover {
  transform: scale(1.02);
  box-shadow: 0 12px 32px rgba(30, 42, 50, 0.07);
}

.stat-number {
  font-size: 2.6rem;
  font-weight: 800;
  line-height: 1.2;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-label {
  font-size: 0.9rem;
  opacity: 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: 24px;
}

.content-wall-item {
  border-radius: 18px;
  overflow: hidden;
  background: var(--card-bg);
  border: 1px solid var(--border);
  transition: all 0.3s ease;
  box-shadow: 0 2px 6px rgba(30, 42, 50, 0.02);
}

.content-wall-item:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 36px rgba(30, 42, 50, 0.08);
}

.content-wall-item img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  transition: transform 0.45s ease;
}

.content-wall-item:hover img {
  transform: scale(1.05);
}

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

.content-wall-body h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.content-wall-body p {
  font-size: 0.88rem;
  opacity: 0.6;
  line-height: 1.65;
}

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

.faq-item {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 16px;
  margin-bottom: 12px;
  overflow: hidden;
  cursor: pointer;
  transition: border-color 0.25s, box-shadow 0.25s;
}

.faq-item:hover {
  border-color: rgba(232, 115, 74, 0.25);
  box-shadow: 0 4px 16px rgba(30, 42, 50, 0.04);
}

.faq-item.open {
  border-color: rgba(232, 115, 74, 0.3);
}

.faq-item .faq-question {
  padding: 20px 24px;
  font-weight: 600;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 1rem;
}

.faq-item .faq-question::after {
  content: '+';
  font-size: 1.5rem;
  font-weight: 300;
  color: var(--accent);
  transition: transform 0.35s ease;
  line-height: 1;
}

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

.faq-item .faq-answer {
  padding: 0 24px 22px;
  display: none;
  opacity: 0.65;
  line-height: 1.7;
  font-size: 0.92rem;
}

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

/* ==========================================
   CTA 横幅
   ========================================== */
.cta-banner {
  padding: 72px 48px;
  text-align: center;
  border-radius: 24px;
  background: linear-gradient(135deg, #E8734A, #D99A3D, #E8734A);
  background-size: 200% 200%;
  animation: gradientFlow 6s ease infinite;
  color: #fff;
  position: relative;
  overflow: hidden;
  box-shadow: 0 12px 40px rgba(232, 115, 74, 0.3);
}

@keyframes gradientFlow {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

.cta-banner::before {
  content: '';
  position: absolute;
  width: 320px;
  height: 320px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  top: -120px;
  right: -60px;
  pointer-events: none;
}

.cta-banner::after {
  content: '';
  position: absolute;
  width: 220px;
  height: 220px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.06);
  bottom: -80px;
  left: -40px;
  pointer-events: none;
}

.cta-banner h2 {
  color: #fff;
  font-size: 2.2rem;
  font-weight: 800;
  margin-bottom: 14px;
  position: relative;
  z-index: 1;
}

.cta-banner p {
  color: rgba(255, 255, 255, 0.9);
  max-width: 520px;
  margin: 0 auto 32px;
  line-height: 1.7;
  position: relative;
  z-index: 1;
}

.cta-banner .btn-primary {
  background: #fff;
  color: var(--accent);
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.12);
  position: relative;
  z-index: 1;
}

.cta-banner .btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 14px 36px rgba(0, 0, 0, 0.16);
}

/* ==========================================
   页脚
   ========================================== */
.site-footer {
  padding: 72px 0 32px;
  background: var(--bg-alt);
  border-top: 1px solid var(--border);
}

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

.footer-brand .logo {
  margin-bottom: 18px;
}

.footer-brand p {
  font-size: 0.9rem;
  opacity: 0.6;
  line-height: 1.75;
  max-width: 320px;
  margin-top: 8px;
}

.footer-col h4 {
  font-size: 0.92rem;
  font-weight: 700;
  margin-bottom: 16px;
  letter-spacing: 0.5px;
}

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

.footer-col ul li {
  padding: 6px 0;
}

.footer-col ul a {
  text-decoration: none;
  color: var(--text-light);
  font-size: 0.88rem;
  transition: color 0.2s;
}

.footer-col ul a:hover {
  color: var(--accent);
}

.footer-bottom {
  border-top: 1px solid var(--border);
  margin-top: 48px;
  padding-top: 24px;
  text-align: center;
  font-size: 0.85rem;
  opacity: 0.5;
}

/* ==========================================
   响应式
   ========================================== */
@media (max-width: 900px) {
  .feature-block {
    grid-template-columns: 1fr;
    gap: 48px;
  }

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

@media (max-width: 768px) {
  .feature-block {
    grid-template-columns: 1fr;
    gap: 40px;
  }

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

  .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: 76px;
    left: 0;
    width: 100%;
    background: var(--bg);
    padding: 28px 24px;
    gap: 8px;
    border-bottom: 1px solid var(--border);
    box-shadow: 0 20px 40px rgba(30, 42, 50, 0.08);
    animation: navFade 0.3s ease;
  }

  .main-nav.open a {
    padding: 14px 0;
    font-size: 1.05rem;
    border-bottom: 1px solid var(--border);
  }

  .main-nav.open a:last-child {
    border-bottom: none;
  }

  .main-nav.open .nav-cta {
    margin-top: 8px;
    text-align: center;
  }

  .hero {
    padding-top: 76px;
    gap: 40px;
    text-align: center;
  }

  .hero-content {
    flex-basis: 100%;
    text-align: center;
  }

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

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

  .hero-image {
    flex-basis: 100%;
  }

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

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

  .cta-banner h2 {
    font-size: 1.7rem;
  }
}

@keyframes navFade {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

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

  .hero-buttons {
    flex-direction: column;
    align-items: stretch;
  }

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

  .hero h1 {
    font-size: 2rem;
    letter-spacing: -0.5px;
  }

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

  .stat-item {
    padding: 28px 20px;
  }

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

  .section {
    padding: 64px 0;
  }

  .cta-banner {
    padding: 40px 20px;
    border-radius: 18px;
  }

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

  .content-wall-item img {
    height: 180px;
  }
}