*, *::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: #fef9f0;
  color: #3d2c1e;
}

.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

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

.section:nth-child(even) { background: #fdf6ed; }

/* 导航 - 极简杂志风格 */
.site-header {
  position: fixed; top: 0; left: 0; width: 100%; z-index: 1000;
  background: rgba(254, 249, 240, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(61, 44, 30, 0.08);
}

.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: 1.1rem; text-decoration: none; color: #3d2c1e;
  letter-spacing: 1px;
}

.logo-icon {
  width: 36px; height: 36px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem; background: #e8d5c4; color: #3d2c1e;
}

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

.main-nav a {
  text-decoration: none; font-size: 0.85rem; font-weight: 500;
  color: #5a4a3a; letter-spacing: 0.5px; transition: 0.25s;
  padding: 4px 0; border-bottom: 2px solid transparent;
}

.main-nav a:hover { color: #b87c4b; border-bottom-color: #b87c4b; }

.nav-cta {
  padding: 8px 24px; border-radius: 50px; color: #fff !important;
  background: #b87c4b; font-weight: 600; border-bottom: none !important;
}

.nav-cta:hover { background: #a06a3f; color: #fff !important; }

.menu-toggle { display: none; }

/* Hero - 大胆排版 + 留白 */
.hero {
  min-height: 75vh; display: flex; align-items: center;
  background: linear-gradient(135deg, #fef9f0 0%, #f5e6d6 100%);
  padding-top: 68px;
}

.hero-content { max-width: 680px; }

.hero-eyebrow {
  display: inline-block; font-size: 0.75rem; font-weight: 700;
  letter-spacing: 3px; text-transform: uppercase;
  padding: 6px 18px; border-radius: 50px;
  background: #e8d5c4; color: #5a4a3a; margin-bottom: 20px;
}

.hero h1 {
  font-size: 3.2rem; line-height: 1.15; margin-bottom: 20px;
  font-weight: 800; letter-spacing: -0.5px;
  background: linear-gradient(135deg, #3d2c1e 30%, #b87c4b 70%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}

.hero p {
  font-size: 1.15rem; opacity: 0.65; max-width: 520px; margin-bottom: 36px;
  color: #5a4a3a; line-height: 1.6;
}

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

.hero-image {
  border-radius: 20px; overflow: hidden; box-shadow: 0 20px 60px rgba(184, 124, 75, 0.15);
}

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

/* 按钮系统 - 陶土质感 */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 32px; border-radius: 50px; font-weight: 600;
  cursor: pointer; border: none; text-decoration: none; transition: 0.3s;
  font-size: 0.9rem; letter-spacing: 0.3px;
}

.btn-primary {
  background: #b87c4b; color: #fff;
  box-shadow: 0 4px 16px rgba(184, 124, 75, 0.3);
}

.btn-primary:hover { background: #a06a3f; transform: translateY(-2px); box-shadow: 0 6px 24px rgba(184, 124, 75, 0.4); }

.btn-outline {
  background: transparent; border: 2px solid #b87c4b; color: #b87c4b;
}

.btn-outline:hover { background: rgba(184, 124, 75, 0.08); transform: translateY(-2px); }

/* 标签/标题 */
.section-label {
  display: inline-block; font-size: 0.7rem; font-weight: 700;
  letter-spacing: 3px; text-transform: uppercase; color: #b87c4b;
  margin-bottom: 12px;
}

.section-title {
  font-size: 2.2rem; margin-bottom: 14px; font-weight: 800;
  color: #3d2c1e; letter-spacing: -0.3px;
}

.section-desc { max-width: 600px; opacity: 0.65; margin-bottom: 40px; color: #5a4a3a; line-height: 1.6; }

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

.category-card {
  border-radius: 20px; padding: 32px; border: none;
  background: #fff; box-shadow: 0 4px 20px rgba(61, 44, 30, 0.06);
  transition: 0.35s;
}

.category-card:hover {
  transform: translateY(-6px); box-shadow: 0 12px 40px rgba(184, 124, 75, 0.12);
}

.card-icon {
  width: 52px; height: 52px; border-radius: 16px;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 18px; font-size: 1.4rem;
  background: #f5e6d6; color: #b87c4b;
}

.card-link {
  font-weight: 600; font-size: 0.85rem; text-decoration: none;
  color: #b87c4b; display: inline-flex; align-items: center; gap: 6px;
}

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

/* 特性块 - 不对称布局 */
.feature-block {
  display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 60px; align-items: center;
}

.feature-image {
  border-radius: 20px; overflow: hidden;
  box-shadow: 0 20px 60px rgba(61, 44, 30, 0.08);
}

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

.feature-text { }

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

.feature-list li {
  padding: 8px 0; display: flex; align-items: center; gap: 10px;
  font-size: 1rem; color: #5a4a3a;
}

.feature-list li::before {
  content: '✦'; font-weight: 700; color: #b87c4b; font-size: 1.1rem;
}

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

.stat-item {
  padding: 28px 20px; border-radius: 20px; border: none;
  background: #fff; box-shadow: 0 4px 20px rgba(61, 44, 30, 0.04);
}

.stat-number {
  font-size: 2.6rem; font-weight: 800; color: #b87c4b;
  letter-spacing: -1px;
}

.stat-label { font-size: 0.85rem; opacity: 0.6; margin-top: 8px; color: #5a4a3a; }

/* 内容墙 - 杂志网格 */
.content-wall {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 28px;
}

.content-wall-item {
  border-radius: 20px; overflow: hidden; border: none;
  background: #fff; box-shadow: 0 4px 20px rgba(61, 44, 30, 0.06);
  transition: 0.35s;
}

.content-wall-item:hover {
  transform: translateY(-6px); box-shadow: 0 12px 40px rgba(184, 124, 75, 0.1);
}

.content-wall-item img {
  width: 100%; height: 220px; object-fit: cover;
}

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

.content-wall-body h3 { font-size: 1.1rem; margin-bottom: 8px; color: #3d2c1e; }

.content-wall-body p { font-size: 0.9rem; opacity: 0.65; color: #5a4a3a; }

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

.faq-item {
  border: 1px solid rgba(61, 44, 30, 0.08); border-radius: 16px;
  margin-bottom: 10px; overflow: hidden; cursor: pointer;
  background: #fff; transition: 0.25s;
}

.faq-item:hover { border-color: rgba(184, 124, 75, 0.3); }

.faq-item .faq-question {
  padding: 18px 24px; font-weight: 600; display: flex;
  justify-content: space-between; color: #3d2c1e;
  font-size: 1rem;
}

.faq-item .faq-question::after {
  content: '+'; font-size: 1.4rem; color: #b87c4b; transition: 0.3s;
}

.faq-item.open .faq-question::after { content: '−'; }

.faq-item .faq-answer {
  padding: 0 24px 18px; display: none; opacity: 0.7; color: #5a4a3a;
  line-height: 1.6;
}

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

/* CTA横幅 - 温暖渐变 */
.cta-banner {
  padding: 64px 32px; text-align: center; border-radius: 24px;
  background: linear-gradient(135deg, #b87c4b 0%, #d4a373 100%);
  color: #fff; box-shadow: 0 20px 60px rgba(184, 124, 75, 0.25);
}

.cta-banner h2 { color: #fff; font-size: 2rem; margin-bottom: 12px; }

.cta-banner p { opacity: 0.9; color: #fff; margin-bottom: 24px; }

.cta-banner .btn-primary {
  background: #fff; color: #b87c4b;
  box-shadow: 0 4px 16px rgba(0,0,0,0.1);
}

.cta-banner .btn-primary:hover { background: #f5e6d6; }

/* 页脚 - 浅色陶土 */
.site-footer {
  padding: 60px 0 28px;
  background: #f5e6d6; color: #3d2c1e;
}

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

.footer-brand { }

.footer-brand p { opacity: 0.6; font-size: 0.9rem; margin-top: 12px; }

.footer-col h4 { font-weight: 700; margin-bottom: 16px; font-size: 0.95rem; }

.footer-col a {
  display: block; text-decoration: none; color: #5a4a3a;
  padding: 4px 0; font-size: 0.9rem; opacity: 0.7; transition: 0.2s;
}

.footer-col a:hover { opacity: 1; color: #b87c4b; }

.footer-bottom {
  border-top: 1px solid rgba(61, 44, 30, 0.1);
  margin-top: 40px; padding-top: 20px; text-align: center;
  font-size: 0.85rem; opacity: 0.6;
}

/* 工具类 */
.text-accent { color: #b87c4b; }

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

.seo-description { max-width: 600px; margin: 0 auto 48px; opacity: 0.65; color: #5a4a3a; }

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

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

/* 响应式 */
@media (max-width: 768px) {
  .feature-block { grid-template-columns: 1fr; gap: 40px; }
  .stats-bar { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .main-nav { display: none; }
  .menu-toggle {
    display: flex; background: none; border: none; font-size: 1.5rem;
    color: #3d2c1e; cursor: pointer;
  }
  .main-nav.open {
    display: flex; flex-direction: column; position: absolute;
    top: 68px; left: 0; width: 100%; background: #fef9f0;
    padding: 24px; gap: 16px; border-bottom: 1px solid rgba(61,44,30,0.08);
  }
  .hero h1 { font-size: 2.4rem; }
}

@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; }
  .hero h1 { font-size: 2rem; }
  .section-title { font-size: 1.6rem; }
}