@import url('https://fonts.googleapis.com/css2?family=Noto+Serif+SC:wght@600;900&display=swap');

:root {
  --primary: #FF5A36;
  --primary-light: #FFB88A;
  --primary-soft: #FFE5DB;
  --accent: #F5B301;
  --accent-soft: #FFF4DB;
  --deep: #0E4D45;
  --deep-soft: #DDEBE7;
  --cream: #FDF7EF;
  --cream-alt: #F9F2E9;
  --white: #FFFFFF;
  --text: #2C2722;
  --muted: #8C8074;
  --border: #EFE3D4;
  --shadow: 0 8px 30px rgba(188, 140, 92, 0.12);
  --shadow-hover: 0 16px 44px rgba(188, 140, 92, 0.22);
}

*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: system-ui, 'PingFang SC', 'Microsoft YaHei', sans-serif;
  overflow-x: hidden;
  background: var(--cream);
  color: var(--text);
  line-height: 1.6;
}

::selection {
  background: var(--primary);
  color: var(--white);
}

::-webkit-scrollbar {
  width: 10px;
}
::-webkit-scrollbar-track {
  background: var(--cream);
}
::-webkit-scrollbar-thumb {
  background: var(--primary-light);
  border-radius: 5px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--primary);
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 90px 0;
  position: relative;
}

.section:nth-child(even) {
  background: var(--cream-alt);
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(253, 247, 239, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  transition: box-shadow 0.3s ease;
}

.site-header:hover {
  box-shadow: 0 4px 24px rgba(188, 140, 92, 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: 900;
  font-size: 1.25rem;
  text-decoration: none;
  color: var(--text);
  letter-spacing: 1px;
  font-family: 'Noto Serif SC', system-ui, sans-serif;
}

.logo-icon {
  width: 38px;
  height: 38px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  color: var(--white);
  background: linear-gradient(135deg, var(--primary), var(--accent));
  box-shadow: 0 4px 16px rgba(255, 90, 54, 0.35);
  position: relative;
  flex-shrink: 0;
}

.logo-icon::before {
  content: '';
  position: absolute;
  inset: 6px;
  border: 1px dashed rgba(255, 255, 255, 0.55);
  border-radius: 8px;
  animation: rotate-slow 18s linear infinite;
}

@keyframes rotate-slow {
  to {
    transform: rotate(360deg);
  }
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 30px;
  list-style: none;
}

.main-nav a {
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text);
  position: relative;
  padding: 4px 0;
  transition: color 0.25s ease;
}

.main-nav a::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -6px;
  width: 100%;
  height: 4px;
  background: radial-gradient(circle at 3px 2px, var(--primary) 2px, transparent 2.5px);
  background-size: 12px 4px;
  opacity: 0;
  transform: scaleX(0.6);
  transition: opacity 0.25s ease, transform 0.25s ease;
}

.main-nav a:hover {
  color: var(--primary);
}

.main-nav a:hover::after {
  opacity: 1;
  transform: scaleX(1);
}

.nav-cta {
  padding: 9px 22px;
  border-radius: 100px;
  color: var(--white) !important;
  font-weight: 600;
  background: linear-gradient(135deg, var(--primary), #FF8A5C);
  box-shadow: 0 4px 14px rgba(255, 90, 54, 0.3);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 22px rgba(255, 90, 54, 0.4);
}

.nav-cta::after {
  display: none;
}

.menu-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border);
  border-radius: 10px;
  width: 42px;
  height: 42px;
  font-size: 1.2rem;
  color: var(--text);
  cursor: pointer;
  align-items: center;
  justify-content: center;
  transition: border-color 0.2s ease, color 0.2s ease;
}

.menu-toggle:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.hero {
  min-height: 86vh;
  display: flex;
  align-items: center;
  background:
    radial-gradient(circle at 88% 22%, rgba(255, 184, 138, 0.4), transparent 38%),
    radial-gradient(circle at 12% 82%, rgba(245, 179, 1, 0.12), transparent 32%),
    var(--cream);
  padding: 120px 0 60px;
  overflow: hidden;
}

.hero .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 60px;
}

.hero-content {
  max-width: 640px;
  position: relative;
  z-index: 2;
}

.hero-content::before {
  content: '';
  position: absolute;
  left: -90px;
  top: -50px;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 90, 54, 0.12), transparent 70%);
  z-index: -1;
}

.hero-eyebrow {
  display: inline-block;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 2px;
  padding: 6px 18px;
  border-radius: 100px;
  margin-bottom: 20px;
  background: var(--accent-soft);
  color: #A97B00;
  border: 1px solid rgba(245, 179, 1, 0.3);
  text-transform: uppercase;
}

.hero h1 {
  font-family: 'Noto Serif SC', system-ui, sans-serif;
  font-size: clamp(2.6rem, 6vw, 4.2rem);
  font-weight: 900;
  line-height: 1.18;
  margin-bottom: 22px;
  color: var(--text);
  letter-spacing: -0.02em;
  position: relative;
  padding-bottom: 24px;
}

.hero h1::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 140px;
  height: 7px;
  background: repeating-linear-gradient(
    90deg,
    var(--primary) 0 14px,
    var(--accent) 14px 28px,
    transparent 28px 34px
  );
  border-radius: 4px;
  opacity: 0.7;
}

.hero p {
  font-size: 1.08rem;
  color: var(--muted);
  max-width: 540px;
  margin-bottom: 36px;
}

.hero-buttons {
  display: flex;
  gap: 14px;
}

.hero-image {
  border-radius: 50%;
  overflow: hidden;
  width: 400px;
  height: 400px;
  flex-shrink: 0;
  position: relative;
  border: 2px dashed rgba(255, 90, 54, 0.4);
  padding: 14px;
  background: var(--white);
  box-shadow: var(--shadow);
}

.hero-image::before {
  content: '';
  position: absolute;
  inset: -14px;
  border-radius: 50%;
  border: 1px solid rgba(255, 90, 54, 0.16);
  animation: rotate-slow 30s linear infinite;
  pointer-events: none;
}

.hero-image::after {
  content: '';
  position: absolute;
  inset: 26px;
  border-radius: 50%;
  border: 2px dashed rgba(245, 179, 1, 0.35);
  pointer-events: none;
}

.hero-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
  transition: transform 0.6s ease;
}

.hero-image:hover img {
  transform: scale(1.03);
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 30px;
  border-radius: 100px;
  font-weight: 700;
  font-size: 0.92rem;
  cursor: pointer;
  border: none;
  text-decoration: none;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.btn:hover {
  transform: translateY(-3px);
}

.btn:active {
  transform: translateY(-1px);
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), #FF8A5C);
  color: var(--white);
  box-shadow: 0 6px 20px rgba(255, 90, 54, 0.35);
}

.btn-primary:hover {
  box-shadow: 0 12px 30px rgba(255, 90, 54, 0.45);
}

.btn-outline {
  background: transparent;
  border: 1.5px solid var(--primary);
  color: var(--primary);
}

.btn-outline:hover {
  background: rgba(255, 90, 54, 0.08);
}

.section-label {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 3px;
  text-transform: uppercase;
  padding: 6px 18px;
  border-radius: 100px;
  background: var(--primary-soft);
  color: var(--primary);
  margin-bottom: 14px;
}

.section-title {
  font-family: 'Noto Serif SC', system-ui, sans-serif;
  font-size: clamp(1.8rem, 4vw, 2.7rem);
  font-weight: 900;
  margin-bottom: 14px;
  color: var(--text);
  letter-spacing: -0.01em;
}

.section-desc {
  max-width: 620px;
  color: var(--muted);
  margin-bottom: 44px;
  font-size: 1rem;
}

.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 24px;
}

.category-card {
  background: var(--white);
  border-radius: 22px;
  padding: 32px 28px;
  border: 1px solid var(--border);
  position: relative;
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.category-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 5px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  opacity: 0;
  transition: opacity 0.3s ease;
}

.category-card::after {
  content: '';
  position: absolute;
  top: 16px;
  right: 16px;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--primary-soft), transparent 70%);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.category-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-hover);
  border-color: transparent;
}

.category-card:hover::before {
  opacity: 1;
}

.category-card:hover::after {
  opacity: 1;
}

.card-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  font-size: 1.4rem;
  background: linear-gradient(135deg, var(--accent-soft), var(--primary-soft));
  color: var(--primary);
}

.card-link {
  font-weight: 700;
  font-size: 0.85rem;
  text-decoration: none;
  color: var(--deep);
  transition: color 0.2s ease;
}

.card-link::after {
  content: '→';
  display: inline-block;
  margin-left: 6px;
  transition: transform 0.2s ease;
}

.category-card:hover .card-link {
  color: var(--primary);
}

.category-card:hover .card-link::after {
  transform: translateX(5px);
}

.feature-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.feature-image {
  border-radius: 24px;
  overflow: hidden;
  border: 1px solid var(--border);
  background: var(--white);
  padding: 12px;
  box-shadow: var(--shadow);
  position: relative;
}

.feature-image::before {
  content: '';
  position: absolute;
  inset: 22px;
  border: 1px dashed rgba(255, 90, 54, 0.3);
  border-radius: 18px;
  z-index: 1;
  pointer-events: none;
}

.feature-image img {
  width: 100%;
  height: auto;
  border-radius: 18px;
  display: block;
  position: relative;
  z-index: 0;
}

.feature-text {
  position: relative;
}

.feature-list {
  list-style: none;
  margin-top: 18px;
}

.feature-list li {
  padding: 10px 0;
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text);
  font-weight: 500;
  border-bottom: 1px dashed var(--border);
}

.feature-list li:last-child {
  border-bottom: none;
}

.feature-list li::before {
  content: '✦';
  font-weight: 700;
  color: var(--accent);
  font-size: 1rem;
  flex-shrink: 0;
}

.stats-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  text-align: center;
}

.stat-item {
  padding: 32px 20px;
  border-radius: 22px;
  border: 1px solid var(--border);
  background: var(--white);
  position: relative;
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.stat-item::before {
  content: '';
  position: absolute;
  top: -30px;
  right: -30px;
  width: 90px;
  height: 90px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--primary-soft), transparent 70%);
  opacity: 0.5;
}

.stat-item::after {
  content: '';
  position: absolute;
  bottom: 12px;
  left: 50%;
  transform: translateX(-50%);
  width: 34px;
  height: 4px;
  background: repeating-linear-gradient(90deg, var(--accent) 0 5px, transparent 5px 8px);
  border-radius: 2px;
  opacity: 0.5;
}

.stat-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}

.stat-number {
  font-family: 'Noto Serif SC', system-ui, sans-serif;
  font-size: clamp(2rem, 3.2vw, 3rem);
  font-weight: 900;
  color: var(--primary);
  line-height: 1.2;
}

.stat-label {
  font-size: 0.9rem;
  color: var(--muted);
  margin-top: 8px;
  letter-spacing: 1px;
}

.content-wall {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 28px;
}

.content-wall-item {
  background: var(--white);
  border-radius: 22px;
  overflow: hidden;
  border: 1px solid var(--border);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  position: relative;
}

.content-wall-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 2;
  background: linear-gradient(
    180deg,
    transparent 60%,
    rgba(255, 90, 54, 0.06)
  );
  pointer-events: none;
}

.content-wall-item:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-hover);
}

.content-wall-item img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  display: block;
  transition: transform 0.5s ease;
}

.content-wall-item:hover img {
  transform: scale(1.04);
}

.content-wall-body {
  padding: 22px;
}

.faq-list {
  max-width: 820px;
  margin: 0 auto;
}

.faq-item {
  border: 1px solid var(--border);
  border-radius: 18px;
  margin-bottom: 12px;
  overflow: hidden;
  cursor: pointer;
  background: var(--white);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.faq-item:hover {
  border-color: var(--primary-light);
  box-shadow: 0 4px 16px rgba(188, 140, 92, 0.1);
}

.faq-item.open {
  border-color: var(--primary);
  box-shadow: 0 6px 20px rgba(255, 90, 54, 0.1);
}

.faq-item .faq-question {
  padding: 18px 22px;
  font-weight: 700;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--text);
  font-size: 0.98rem;
}

.faq-item .faq-question::after {
  content: '⌄';
  font-size: 1.2rem;
  color: var(--primary);
  transition: transform 0.3s ease;
  flex-shrink: 0;
  margin-left: 12px;
}

.faq-item.open .faq-question::after {
  transform: rotate(180deg);
}

.faq-item .faq-answer {
  padding: 0 22px 18px;
  display: none;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.7;
}

.faq-item.open .faq-answer {
  display: block;
  animation: fade-slide 0.35s ease;
}

@keyframes fade-slide {
  from {
    opacity: 0;
    transform: translateY(-6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.cta-banner {
  padding: 64px 24px;
  text-align: center;
  border-radius: 32px;
  color: var(--white);
  background: linear-gradient(135deg, var(--primary), #FF8A5C, var(--accent));
  box-shadow: 0 18px 50px rgba(255, 90, 54, 0.4);
  position: relative;
  overflow: hidden;
}

.cta-banner::before {
  content: '';
  position: absolute;
  top: -60%;
  right: -10%;
  width: 60%;
  height: 220%;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.22), transparent 60%);
}

.cta-banner::after {
  content: '';
  position: absolute;
  bottom: -80px;
  left: -40px;
  width: 180px;
  height: 180px;
  border-radius: 50%;
  border: 3px dashed rgba(255, 255, 255, 0.25);
  animation: rotate-slow 30s linear infinite;
}

.cta-banner h2 {
  color: var(--white);
  font-family: 'Noto Serif SC', system-ui, sans-serif;
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 900;
  margin-bottom: 12px;
  position: relative;
  z-index: 1;
}

.cta-banner .btn-primary {
  background: var(--white);
  color: var(--primary);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
  position: relative;
  z-index: 1;
}

.cta-banner .btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.18);
}

.site-footer {
  background: #F2E8DC;
  padding: 64px 0 28px;
  border-top: 1px solid var(--border);
  color: var(--text);
}

.site-footer .container {
  max-width: 1200px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
}

.footer-brand {
  padding-right: 40px;
}

.footer-brand .logo {
  margin-bottom: 14px;
}

.footer-brand p {
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.7;
  margin-top: 12px;
}

.footer-col h4 {
  font-size: 0.9rem;
  font-weight: 800;
  margin-bottom: 16px;
  color: var(--text);
  letter-spacing: 2px;
}

.footer-col a {
  display: block;
  color: var(--muted);
  text-decoration: none;
  padding: 5px 0;
  font-size: 0.88rem;
  transition: color 0.2s ease, padding-left 0.2s ease;
}

.footer-col a:hover {
  color: var(--primary);
  padding-left: 6px;
}

.footer-bottom {
  border-top: 1px solid rgba(44, 39, 34, 0.1);
  margin-top: 40px;
  padding-top: 22px;
  text-align: center;
  font-size: 0.83rem;
  color: var(--muted);
}

.text-accent {
  color: var(--primary);
}

.text-center {
  text-align: center;
}

.seo-description {
  max-width: 640px;
  margin: 0 auto 48px;
  color: var(--muted);
  font-size: 1rem;
}

.mt-0 {
  margin-top: 0;
}

.mb-0 {
  margin-bottom: 0;
}

@media (max-width: 992px) {
  .hero .container {
    flex-direction: column;
    text-align: center;
    gap: 40px;
  }

  .hero-content {
    max-width: 100%;
  }

  .hero h1::after {
    left: 50%;
    transform: translateX(-50%);
  }

  .hero p {
    margin-left: auto;
    margin-right: auto;
  }

  .hero-buttons {
    justify-content: center;
  }

  .hero-image {
    width: 340px;
    height: 340px;
  }

  .feature-block {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 36px;
  }
}

@media (max-width: 768px) {
  .section {
    padding: 70px 0;
  }

  .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;
    position: absolute;
    top: 68px;
    left: 0;
    width: 100%;
    background: var(--cream);
    padding: 24px;
    flex-direction: column;
    align-items: flex-start;
    gap: 20px;
    border-bottom: 1px solid var(--border);
    box-shadow: 0 20px 40px rgba(44, 39, 34, 0.08);
    border-radius: 0 0 20px 20px;
  }

  .main-nav.open {
    display: flex;
  }

  .menu-toggle {
    display: flex;
  }

  .nav-cta {
    width: 100%;
    text-align: center;
  }

  .hero-image {
    width: 280px;
    height: 280px;
  }

  .hero {
    padding: 110px 0 50px;
  }

  .cta-banner {
    margin: 0 12px;
    padding: 48px 20px;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 18px;
  }

  .cards-grid,
  .content-wall,
  .stats-bar {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr;
  }

  .hero-buttons {
    flex-direction: column;
    width: 100%;
  }

  .hero-buttons .btn {
    width: 100%;
    justify-content: center;
  }

  .hero-image {
    width: 220px;
    height: 220px;
  }

  .hero h1 {
    font-size: 2.1rem;
  }

  .section-title {
    font-size: 1.6rem;
  }

  .hero-eyebrow {
    font-size: 0.75rem;
  }

  .btn {
    padding: 13px 22px;
    font-size: 0.88rem;
  }

  .stat-number {
    font-size: 2rem;
  }

  .footer-grid {
    gap: 28px;
  }

  .footer-bottom {
    margin-top: 28px;
  }
}