/* 基础重置 */
*, *::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: #FFF9F2;
  background-image: radial-gradient(rgba(254, 111, 94, 0.02) 1px, transparent 1px);
  background-size: 28px 28px;
  color: #2D1B14;
  line-height: 1.6;
}

::selection {
  background: rgba(254, 111, 94, 0.22);
  color: #2D1B14;
}

::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: #FFF9F2;
}

::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, #FFB59A, #FE6F5E);
  border-radius: 8px;
}

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

.section {
  position: relative;
  padding: 90px 0;
  background-color: #FFF9F2;
  background-image:
    radial-gradient(circle at 80% 20%, rgba(255, 181, 154, 0.05) 0%, transparent 50%),
    radial-gradient(circle at 20% 90%, rgba(125, 206, 150, 0.04) 0%, transparent 50%);
}

.section::before {
  content: '';
  position: absolute;
  top: -2px;
  left: 50%;
  transform: translateX(-50%);
  width: 40%;
  height: 4px;
  background: linear-gradient(90deg, transparent, rgba(254, 111, 94, 0.3), rgba(125, 206, 150, 0.3), transparent);
  border-radius: 4px;
  opacity: 0.55;
  pointer-events: none;
  z-index: 3;
}

.section:nth-child(even) {
  background-color: #F0F7F3;
  background-image:
    radial-gradient(circle at 10% 30%, rgba(125, 206, 150, 0.06) 0%, transparent 50%),
    radial-gradient(circle at 90% 70%, rgba(255, 181, 154, 0.04) 0%, transparent 50%);
}

/* 导航 */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(255, 249, 242, 0.85);
  -webkit-backdrop-filter: blur(18px);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(61, 43, 31, 0.05);
  box-shadow: 0 4px 30px rgba(61, 43, 31, 0.02);
}

.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: 1.25rem;
  letter-spacing: 0.02em;
  text-decoration: none;
  color: #2D1B14;
}

.logo-icon {
  width: 38px;
  height: 38px;
  border-radius: 50% 45% 45% 55% / 60% 50% 50% 40%;
  background: linear-gradient(135deg, #FFB59A, #FE6F5E 75%);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  box-shadow: 0 4px 12px rgba(254, 111, 94, 0.25);
}

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

.main-nav a {
  position: relative;
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 600;
  color: #4A3728;
  padding: 6px 2px;
  transition: color 0.25s ease;
}

.main-nav a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, #FE6F5E, #FFB59A, #7DCE96);
  border-radius: 2px;
  transition: width 0.35s cubic-bezier(0.165, 0.84, 0.44, 1);
}

.main-nav a:hover {
  color: #FE6F5E;
}

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

.nav-cta {
  background: linear-gradient(135deg, #FE6F5E, #FF8A5E);
  color: #fff !important;
  padding: 10px 26px !important;
  border-radius: 40px;
  font-weight: 700;
  box-shadow: 0 4px 14px rgba(254, 111, 94, 0.28);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

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

.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 22px rgba(254, 111, 94, 0.38);
  color: #fff !important;
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.6rem;
  line-height: 1;
  cursor: pointer;
  color: #4A3728;
  width: 42px;
  height: 42px;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: background 0.3s ease;
}

.menu-toggle:hover {
  background: rgba(254, 111, 94, 0.08);
}

/* Hero */
.hero {
  min-height: 85vh;
  padding-top: 68px;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(circle at 70% 25%, rgba(255, 181, 154, 0.16) 0%, transparent 55%),
    radial-gradient(circle at 15% 90%, rgba(125, 206, 150, 0.1) 0%, transparent 45%),
    linear-gradient(120deg, #FFF9F2 0%, #FFE8DE 55%, #FFDDD1 100%);
}

.hero::before {
  content: '';
  position: absolute;
  right: -60px;
  top: 12%;
  width: 380px;
  height: 380px;
  border-radius: 42% 58% 65% 35% / 55% 45% 55% 45%;
  background: linear-gradient(135deg, rgba(255, 181, 154, 0.25), rgba(254, 111, 94, 0.08));
  filter: blur(50px);
  z-index: 0;
  animation: float 10s ease-in-out infinite;
}

.hero::after {
  content: '';
  position: absolute;
  left: 4%;
  bottom: 8%;
  width: 140px;
  height: 140px;
  border-radius: 40% 60% 50% 50% / 60% 40% 55% 45%;
  background: linear-gradient(135deg, rgba(125, 206, 150, 0.22), rgba(125, 206, 150, 0.06));
  filter: blur(24px);
  z-index: 0;
  animation: float 8s ease-in-out infinite reverse;
}

.hero .container {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  gap: 48px;
  flex-wrap: wrap;
}

.hero-content {
  flex: 1;
  min-width: 300px;
}

.hero-eyebrow {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 1px;
  background: rgba(125, 206, 150, 0.14);
  color: #4C9E6A;
  border: 1px solid rgba(125, 206, 150, 0.28);
  padding: 6px 18px;
  border-radius: 40px;
  margin-bottom: 20px;
}

.hero h1 {
  font-size: clamp(2.8rem, 6vw, 4.2rem);
  font-weight: 900;
  letter-spacing: -0.03em;
  line-height: 1.1;
  color: #2D1B14;
  margin-bottom: 24px;
  position: relative;
}

.hero h1::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 0;
  width: 76px;
  height: 6px;
  background: linear-gradient(90deg, #FE6F5E, #FFB59A);
  border-radius: 8px;
}

.hero p {
  font-size: 1.12rem;
  line-height: 1.85;
  color: #8A7268;
  max-width: 560px;
  margin-bottom: 36px;
}

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

.hero-image {
  flex: 1;
  min-width: 300px;
  position: relative;
  border-radius: 28px;
  overflow: hidden;
  box-shadow: 0 24px 60px rgba(61, 43, 31, 0.1);
}

.hero-image::before {
  content: '';
  position: absolute;
  top: -14px;
  right: -14px;
  width: 100%;
  height: 100%;
  border: 2px dashed rgba(254, 111, 94, 0.28);
  border-radius: 32px;
  z-index: 0;
  pointer-events: none;
}

.hero-image img {
  position: relative;
  z-index: 1;
  width: 100%;
  height: auto;
  display: block;
}

/* 按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 40px;
  font-weight: 700;
  font-size: 0.95rem;
  cursor: pointer;
  border: none;
  text-decoration: none;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.btn-primary {
  background: linear-gradient(135deg, #FE6F5E, #FF8A5E);
  color: #fff;
  box-shadow: 0 8px 24px rgba(254, 111, 94, 0.3);
}

.btn-primary:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 12px 32px rgba(254, 111, 94, 0.4);
}

.btn-outline {
  background: transparent;
  border: 1.5px solid #FE6F5E;
  color: #FE6F5E;
}

.btn-outline:hover {
  background: rgba(254, 111, 94, 0.06);
  border-color: #FE6F5E;
  transform: translateY(-3px);
}

/* 标签/标题 */
.section-label {
  display: inline-block;
  background: rgba(254, 111, 94, 0.08);
  color: #FE6F5E;
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 3px;
  padding: 6px 16px;
  border-radius: 40px;
  margin-bottom: 12px;
}

.section-title {
  font-size: clamp(1.9rem, 4vw, 2.6rem);
  font-weight: 900;
  line-height: 1.15;
  color: #2D1B14;
  letter-spacing: -0.02em;
  margin-bottom: 14px;
}

.section-desc {
  max-width: 620px;
  color: #8A7268;
  font-size: 1.05rem;
  line-height: 1.85;
  margin-bottom: 48px;
}

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

.category-card {
  position: relative;
  background: #ffffff;
  border: none;
  border-radius: 24px;
  padding: 32px;
  box-shadow: 0 4px 20px rgba(61, 43, 31, 0.04);
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  overflow: hidden;
}

.category-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, #FFB59A, #FE6F5E, #7DCE96);
  opacity: 0;
  transition: opacity 0.4s ease;
}

.category-card::after {
  content: '';
  position: absolute;
  right: -24px;
  bottom: -24px;
  width: 64px;
  height: 64px;
  background: rgba(254, 111, 94, 0.05);
  border-radius: 50%;
  transition: transform 0.4s ease;
}

.category-card:hover {
  transform: translateY(-8px) rotate(-1.2deg);
  box-shadow: 0 16px 40px rgba(61, 43, 31, 0.09);
}

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

.category-card:hover::after {
  transform: scale(1.3);
}

.card-icon {
  width: 54px;
  height: 54px;
  border-radius: 48% 52% 40% 60% / 55% 45% 55% 45%;
  background: linear-gradient(135deg, #FFE4DD, #FFD0C6);
  color: #FE6F5E;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 18px;
  position: relative;
  z-index: 1;
}

.card-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-weight: 700;
  font-size: 0.9rem;
  text-decoration: none;
  color: #FE6F5E;
  margin-top: 12px;
  transition: gap 0.3s ease;
}

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

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

.feature-image {
  position: relative;
  border-radius: 24px;
  overflow: hidden;
  box-shadow: 0 12px 40px rgba(61, 43, 31, 0.08);
}

.feature-image img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform 0.5s ease;
}

.feature-image:hover img {
  transform: scale(1.03);
}

.feature-text {
  font-size: 1.02rem;
  color: #6B5A4E;
  line-height: 1.85;
}

.feature-text p {
  margin-bottom: 20px;
}

.feature-list {
  list-style: none;
  margin-top: 8px;
}

.feature-list li {
  padding: 10px 0;
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 500;
  color: #4A3A32;
  font-size: 0.95rem;
}

.feature-list li::before {
  content: '✿';
  color: #7DCE96;
  font-size: 1.3rem;
  font-weight: 400;
  line-height: 1;
}

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

.stat-item {
  background: linear-gradient(145deg, #ffffff, #FFF9F2);
  border: 1px solid rgba(254, 111, 94, 0.06);
  border-radius: 24px;
  padding: 32px 16px;
  box-shadow: 0 6px 24px rgba(61, 43, 31, 0.04);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.stat-item:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(254, 111, 94, 0.1);
}

.stat-number {
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 900;
  line-height: 1.1;
  background: linear-gradient(135deg, #FE6F5E 20%, #FF8A5E 60%, #7DCE96 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-label {
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 1px;
  color: #8A7268;
  margin-top: 10px;
  text-transform: uppercase;
}

/* 内容墙 */
.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: #ffffff;
  box-shadow: 0 4px 20px rgba(61, 43, 31, 0.05);
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.content-wall-item:hover {
  transform: translateY(-6px);
  box-shadow: 0 14px 36px rgba(61, 43, 31, 0.1);
}

.content-wall-item img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  display: block;
  transition: transform 0.4s ease;
}

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

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

.content-wall-body h3 {
  font-size: 1.05rem;
  font-weight: 800;
  color: #2D1B14;
  margin-bottom: 8px;
}

.content-wall-body p {
  color: #8A7268;
  font-size: 0.9rem;
  line-height: 1.7;
}

.content-wall-body a {
  display: inline-block;
  margin-top: 14px;
  color: #FE6F5E;
  font-size: 0.9rem;
  font-weight: 700;
  text-decoration: none;
  transition: color 0.2s;
}

.content-wall-body a:hover {
  color: #7DCE96;
}

/* FAQ */
.faq-list {
  max-width: 820px;
  margin: 0 auto;
  text-align: left;
}

.faq-item {
  background: #ffffff;
  border: none;
  border-radius: 16px;
  margin-bottom: 12px;
  box-shadow: 0 4px 16px rgba(61, 43, 31, 0.04);
  overflow: hidden;
  cursor: pointer;
  transition: box-shadow 0.3s ease;
}

.faq-item:hover {
  box-shadow: 0 8px 24px rgba(254, 111, 94, 0.08);
}

.faq-item.open {
  box-shadow: 0 0 0 2px #FE6F5E, 0 8px 24px rgba(254, 111, 94, 0.1);
}

.faq-item .faq-question {
  padding: 20px 24px;
  font-weight: 700;
  font-size: 1rem;
  color: #2D1B14;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.faq-item .faq-question::after {
  content: '+';
  font-size: 1.5rem;
  font-weight: 300;
  color: #FE6F5E;
  transition: transform 0.3s ease;
}

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

.faq-item .faq-answer {
  padding: 0 24px 20px;
  color: #8A7268;
  font-size: 0.95rem;
  line-height: 1.8;
  display: none;
}

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

/* CTA横幅 */
.cta-banner {
  position: relative;
  padding: 64px 48px;
  text-align: center;
  border-radius: 40px;
  background: linear-gradient(135deg, #FE6F5E 0%, #FF8A5E 60%, #FFB59A 100%);
  box-shadow: 0 16px 48px rgba(254, 111, 94, 0.28);
  overflow: hidden;
}

.cta-banner::before {
  content: '';
  position: absolute;
  top: -60px;
  right: -40px;
  width: 220px;
  height: 220px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 60% 40% 50% 50% / 50% 60% 40% 50%;
  transform: rotate(20deg);
}

.cta-banner::after {
  content: '';
  position: absolute;
  bottom: -80px;
  left: -40px;
  width: 180px;
  height: 180px;
  background: rgba(255, 255, 255, 0.06);
  border-radius: 40% 60% 60% 40% / 60% 40% 60% 40%;
  transform: rotate(-10deg);
}

.cta-banner h2 {
  position: relative;
  z-index: 1;
  color: #ffffff;
  font-size: clamp(1.6rem, 4vw, 2.2rem);
  font-weight: 900;
  margin-bottom: 12px;
}

.cta-banner p {
  position: relative;
  z-index: 1;
  color: rgba(255, 255, 255, 0.85);
  font-size: 1.05rem;
  margin-bottom: 28px;
}

.cta-banner .btn-primary {
  position: relative;
  z-index: 1;
  background: #ffffff;
  color: #FE6F5E;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
}

.cta-banner .btn-primary:hover {
  background: #ffffff;
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

/* 页脚 */
.site-footer {
  background: #FFF1EB;
  padding: 72px 0 28px;
  border-top: 1px solid rgba(254, 111, 94, 0.08);
}

.site-footer .container {
  max-width: 1200px;
}

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

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.footer-brand p {
  font-size: 0.92rem;
  line-height: 1.8;
  color: #8A7268;
  max-width: 280px;
}

.footer-brand .logo-icon {
  width: 40px;
  height: 40px;
  font-size: 1.2rem;
}

.footer-col h4 {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: #2D1B14;
  font-weight: 800;
  margin-bottom: 18px;
}

.footer-col ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-col li {
  margin-bottom: 12px;
}

.footer-col a {
  color: #8A7268;
  text-decoration: none;
  font-size: 0.9rem;
  transition: all 0.25s ease;
}

.footer-col a:hover {
  color: #FE6F5E;
  padding-left: 4px;
}

.footer-bottom {
  border-top: 1px solid rgba(61, 43, 31, 0.06);
  margin-top: 48px;
  padding-top: 20px;
  text-align: center;
  font-size: 0.85rem;
  color: #A08D82;
}

/* 工具类 */
.text-accent {
  color: #FE6F5E;
}

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

.seo-description {
  max-width: 640px;
  margin: 0 auto 48px;
  color: #8A7268;
  font-size: 1.05rem;
  line-height: 1.85;
}

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

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

/* 动画 */
@keyframes float {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-16px) rotate(2deg); }
}

/* 响应式 */
@media (max-width: 768px) {
  .section {
    padding: 72px 0;
  }

  .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: 36px;
  }

  .main-nav {
    display: none;
  }

  .menu-toggle {
    display: flex;
  }

  .main-nav.open {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
    position: absolute;
    top: 68px;
    left: 0;
    width: 100%;
    background: rgba(255, 249, 242, 0.98);
    -webkit-backdrop-filter: blur(20px);
    backdrop-filter: blur(20px);
    padding: 28px 24px;
    box-shadow: 0 16px 32px rgba(61, 43, 31, 0.08);
    border-bottom: 1px solid rgba(254, 111, 94, 0.06);
  }

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

  .hero {
    min-height: auto;
    padding-bottom: 60px;
  }

  .hero .container {
    flex-direction: column;
    text-align: center;
    gap: 40px;
  }

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

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

  .hero h1::after {
    left: 50%;
    transform: translateX(-50%);
  }

  .cta-banner {
    padding: 48px 24px;
    border-radius: 28px;
  }
}

@media (max-width: 480px) {
  .section {
    padding: 56px 0;
  }

  .cards-grid,
  .content-wall,
  .stats-bar {
    grid-template-columns: 1fr;
  }

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

  .hero-buttons {
    flex-direction: column;
    width: 100%;
  }

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

  .hero h1 {
    font-size: 2.4rem;
  }

  .stat-item {
    padding: 24px 16px;
  }
}