:root {
  --cream: #FFF9EF;
  --sand: #F5EFE4;
  --melon: #F04E58;
  --melon-soft: #FF9EAE;
  --melon-deep: #B83E48;
  --leaf: #5B8C5A;
  --mint: #DCEAD9;
  --olive: #3A4D3A;
  --ink: #28351F;
  --line: #E5DCCB;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: "PingFang SC", "Hiragino Sans GB", "Source Han Sans SC", "Noto Sans CJK SC", "Microsoft YaHei", system-ui, sans-serif;
  overflow-x: hidden;
  background-color: var(--cream);
  color: var(--ink);
  line-height: 1.7;
  font-weight: 400;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    radial-gradient(rgba(240, 78, 88, 0.06) 1px, transparent 1.4px),
    radial-gradient(rgba(91, 140, 90, 0.05) 1.2px, transparent 1.6px);
  background-size: 26px 26px;
  background-position: 0 0, 13px 13px;
}

::selection {
  background: var(--melon);
  color: var(--cream);
}

img {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
}

ul {
  list-style: none;
}

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

.section {
  padding: 88px 0;
  position: relative;
  background: rgba(255, 249, 239, 0.85);
}

.section:nth-child(even) {
  background: rgba(245, 239, 228, 0.88);
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(255, 249, 239, 0.92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 2px solid var(--line);
}

.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: 1.35rem;
  text-decoration: none;
  color: var(--olive);
  letter-spacing: 0.02em;
}

.logo-icon {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--melon-soft) 0 12px, var(--melon) 13px 16px, transparent 17px);
  box-shadow: 0 0 0 4px var(--mint);
  position: relative;
  flex: none;
}

.logo-icon::after {
  content: "";
  position: absolute;
  width: 7px;
  height: 9px;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%) rotate(28deg);
  background: var(--olive);
  border-radius: 90% 10% 90% 10%;
}

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

.main-nav a {
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--olive);
  padding: 6px 0;
  border-bottom: 2px solid transparent;
  transition: color 0.2s, border-color 0.2s;
  letter-spacing: 0.03em;
}

.main-nav a:hover {
  color: var(--melon);
  border-bottom-color: var(--melon-soft);
}

.nav-cta {
  padding: 10px 22px;
  border-radius: 100px;
  color: var(--cream) !important;
  font-weight: 700;
  background: var(--melon);
  border-bottom: none !important;
  box-shadow: 0 3px 0 var(--melon-deep);
  transition: transform 0.2s, box-shadow 0.2s;
}

.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 5px 0 var(--melon-deep);
  color: var(--cream) !important;
  border-bottom: none !important;
}

.menu-toggle {
  display: none;
}

.hero {
  min-height: 80vh;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 56px;
  padding: 140px 0 72px;
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(circle at 85% 25%, rgba(255, 158, 174, 0.35) 0%, transparent 42%),
    radial-gradient(circle at 12% 80%, rgba(220, 234, 217, 0.5) 0%, transparent 40%),
    var(--cream);
}

.hero::after {
  content: "";
  position: absolute;
  right: 6%;
  top: 14%;
  width: 240px;
  height: 240px;
  border-radius: 50%;
  background: radial-gradient(circle, transparent 58px, var(--melon-soft) 59px 66px, transparent 67px 74px, var(--leaf) 75px 82px, transparent 83px);
  opacity: 0.35;
  transform: rotate(8deg);
  animation: meloFloat 7s ease-in-out infinite;
  pointer-events: none;
}

@keyframes meloFloat {
  0%, 100% {
    transform: rotate(8deg) translateY(0);
  }
  50% {
    transform: rotate(5deg) translateY(-10px);
  }
}

.hero-content {
  flex: 1 1 42%;
  max-width: 720px;
  position: relative;
  z-index: 2;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 0.85rem;
  font-weight: 700;
  padding: 6px 18px;
  border-radius: 100px;
  background: var(--mint);
  color: var(--olive);
  margin-bottom: 20px;
  box-shadow: inset 0 -2px 0 rgba(58, 77, 58, 0.15);
}

.hero-eyebrow::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--melon);
  box-shadow: 0 0 0 3px var(--melon-soft);
}

.hero h1 {
  font-size: clamp(2.5rem, 6vw, 4.6rem);
  line-height: 1.08;
  margin-bottom: 20px;
  font-weight: 900;
  letter-spacing: 0.02em;
  color: var(--ink);
  text-shadow: 3px 3px 0 rgba(255, 158, 174, 0.25);
}

.hero p {
  font-size: 1.12rem;
  opacity: 0.72;
  max-width: 560px;
  margin-bottom: 32px;
  line-height: 1.9;
}

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

.hero-image {
  flex: 1 1 30%;
  min-width: 280px;
  border-radius: 48% 52% 51% 49% / 44% 45% 55% 56%;
  padding: 12px;
  background: linear-gradient(145deg, var(--melon-soft), var(--mint));
  box-shadow: 0 16px 32px rgba(40, 53, 31, 0.12);
}

.hero-image img {
  width: 100%;
  height: auto;
  border-radius: inherit;
  border: 4px solid var(--cream);
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 30px;
  border-radius: 100px;
  font-weight: 700;
  cursor: pointer;
  border: none;
  text-decoration: none;
  transition: transform 0.2s, box-shadow 0.2s, background 0.2s;
  font-size: 0.98rem;
  letter-spacing: 0.04em;
}

.btn-primary {
  color: var(--cream);
  background: var(--melon);
  box-shadow: 0 5px 0 var(--melon-deep), 0 8px 18px rgba(240, 78, 88, 0.28);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 7px 0 var(--melon-deep), 0 10px 24px rgba(240, 78, 88, 0.36);
}

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

.btn-outline:hover {
  background: var(--leaf);
  color: var(--cream);
  transform: translateY(-2px);
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  margin-bottom: 14px;
  color: var(--melon);
}

.section-label::before {
  content: "";
  width: 28px;
  height: 2px;
  background: linear-gradient(90deg, var(--melon), var(--melon-soft));
  border-radius: 2px;
}

.section-title {
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 900;
  line-height: 1.15;
  margin-bottom: 14px;
  color: var(--ink);
  letter-spacing: 0.02em;
}

.section-title::after {
  content: "";
  display: inline-block;
  width: 8px;
  height: 11px;
  background: var(--olive);
  border-radius: 90% 10% 90% 10%;
  transform: rotate(32deg);
  margin-left: 14px;
  vertical-align: middle;
  opacity: 0.8;
}

.section-desc {
  max-width: 640px;
  opacity: 0.7;
  margin-bottom: 48px;
  font-size: 1.05rem;
  line-height: 1.85;
}

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

.category-card {
  background: #FFFCF5;
  border: 2px solid var(--line);
  border-radius: 12px 34px 12px 34px;
  padding: 30px;
  position: relative;
  box-shadow: 0 2px 0 var(--line), 0 8px 18px rgba(40, 53, 31, 0.04);
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.3s, border-color 0.3s;
}

.category-card::before {
  content: "";
  position: absolute;
  top: -12px;
  left: 24px;
  width: 64px;
  height: 24px;
  background: linear-gradient(105deg, rgba(240, 78, 88, 0.24), rgba(255, 158, 174, 0.24));
  clip-path: polygon(0 0, 100% 0, 94% 100%, 6% 100%);
  transform: rotate(-5deg);
}

.category-card:hover {
  transform: translateY(-6px) rotate(-1deg);
  border-color: var(--melon);
  box-shadow: 0 6px 0 rgba(40, 53, 31, 0.06), 0 16px 32px rgba(240, 78, 88, 0.12);
}

.card-icon {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--mint);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  font-size: 1.4rem;
  position: relative;
  color: var(--olive);
}

.card-icon::after {
  content: "";
  position: absolute;
  inset: -6px;
  border: 2px dashed var(--melon-soft);
  border-radius: 50%;
}

.card-link {
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--melon);
  text-decoration: none;
  border-bottom: 2px dotted var(--melon-soft);
  transition: border-color 0.2s;
}

.card-link:hover {
  border-bottom-color: var(--melon);
}

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

.feature-image {
  border-radius: 62% 38% 42% 58% / 44% 60% 40% 56%;
  padding: 10px;
  background: linear-gradient(150deg, var(--mint) 0%, var(--cream) 100%);
  border: 2px solid var(--line);
  box-shadow: 0 16px 36px rgba(40, 53, 31, 0.08);
}

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

.feature-text {
  position: relative;
  z-index: 1;
}

.feature-list {
  margin-top: 8px;
}

.feature-list li {
  padding: 12px 0;
  border-bottom: 1px dashed var(--line);
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 1.03rem;
  color: var(--olive);
}

.feature-list li::before {
  content: "";
  flex: none;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background:
    radial-gradient(circle, var(--melon-soft) 0 5px, var(--melon) 6px 8px, transparent 9px),
    radial-gradient(circle, transparent 14px, var(--leaf) 15px 16px, transparent 17px);
  box-shadow: 0 2px 0 rgba(40, 53, 31, 0.12);
}

.stats-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.stat-item {
  width: 186px;
  height: 186px;
  max-width: 100%;
  border-radius: 50%;
  padding: 18px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  margin: 0 auto;
  background: var(--cream);
  border: 8px solid var(--mint);
  box-shadow: inset 0 -10px 0 rgba(40, 53, 31, 0.05), 0 10px 24px rgba(40, 53, 31, 0.07);
  transition: transform 0.3s;
}

.stat-item:nth-child(odd) {
  transform: rotate(-2.4deg);
}

.stat-item:nth-child(even) {
  transform: rotate(2.2deg);
}

.stat-item:hover {
  transform: rotate(0) scale(1.05);
}

.stat-number {
  font-size: 2.3rem;
  font-weight: 900;
  color: var(--melon);
  line-height: 1.05;
}

.stat-label {
  font-size: 0.88rem;
  opacity: 0.65;
  margin-top: 8px;
  color: var(--olive);
  text-align: center;
}

.content-wall {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 28px;
}

.content-wall-item {
  border-radius: 18px;
  overflow: hidden;
  border: 1px solid var(--line);
  background: #FFFCF5;
  transition: transform 0.3s, box-shadow 0.3s;
}

.content-wall-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 16px 32px rgba(40, 53, 31, 0.1);
}

.content-wall-item img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.content-wall-item:hover img {
  transform: scale(1.03);
}

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

.faq-list {
  max-width: 840px;
  margin: 0 auto;
}

.faq-item {
  border: 1px solid var(--line);
  border-radius: 14px;
  margin-bottom: 12px;
  overflow: hidden;
  cursor: pointer;
  background: rgba(255, 252, 245, 0.9);
  transition: border-color 0.2s, box-shadow 0.2s;
}

.faq-item.open {
  border-color: var(--melon);
  box-shadow: 0 6px 16px rgba(240, 78, 88, 0.1);
}

.faq-item .faq-question {
  padding: 20px 24px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 1.02rem;
  color: var(--olive);
}

.faq-item .faq-question::after {
  content: "+";
  font-size: 1.5rem;
  font-weight: 300;
  color: var(--melon);
  transition: transform 0.25s;
}

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

.faq-item .faq-answer {
  padding: 0 24px 20px;
  display: none;
  opacity: 0.72;
  font-size: 0.98rem;
  line-height: 1.85;
}

.faq-item.open .faq-answer {
  display: block;
  animation: faqFade 0.35s ease;
}

@keyframes faqFade {
  from {
    opacity: 0;
    transform: translateY(-6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.cta-banner {
  background: linear-gradient(135deg, var(--melon) 0%, var(--melon-soft) 100%);
  border-radius: 48px 16px 48px 16px;
  padding: 64px 48px;
  text-align: center;
  color: var(--cream);
  position: relative;
  overflow: hidden;
  box-shadow: 0 20px 44px rgba(240, 78, 88, 0.28);
}

.cta-banner::before {
  content: "";
  position: absolute;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.12);
  top: -70px;
  right: -40px;
}

.cta-banner::after {
  content: "";
  position: absolute;
  width: 100px;
  height: 100px;
  border: 22px dotted rgba(255, 255, 255, 0.18);
  border-radius: 50%;
  bottom: -30px;
  left: 14%;
}

.cta-banner h2 {
  color: var(--cream);
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 900;
  position: relative;
  z-index: 2;
}

.cta-banner .btn-primary {
  background: var(--cream);
  color: var(--melon);
  box-shadow: 0 5px 0 var(--melon-deep);
  position: relative;
  z-index: 2;
}

.cta-banner .btn-primary:hover {
  box-shadow: 0 7px 0 var(--melon-deep);
}

.site-footer {
  background: var(--mint);
  color: var(--olive);
  padding: 64px 0 28px;
  border-top: 4px solid var(--leaf);
  position: relative;
}

.site-footer .container {
  position: relative;
}

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

.footer-brand p {
  font-size: 0.92rem;
  opacity: 0.75;
  line-height: 1.85;
  margin-top: 12px;
  max-width: 300px;
}

.footer-col h4 {
  font-size: 1rem;
  font-weight: 800;
  margin-bottom: 16px;
  color: var(--ink);
  letter-spacing: 0.06em;
}

.footer-col a {
  display: block;
  padding: 5px 0;
  font-size: 0.92rem;
  opacity: 0.8;
  text-decoration: none;
  transition: color 0.2s, opacity 0.2s, transform 0.2s;
}

.footer-col a:hover {
  color: var(--melon);
  opacity: 1;
  transform: translateX(4px);
}

.footer-bottom {
  border-top: 2px dashed rgba(58, 77, 58, 0.2);
  margin-top: 48px;
  padding-top: 20px;
  text-align: center;
  font-size: 0.85rem;
  opacity: 0.75;
}

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

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

.seo-description {
  max-width: 640px;
  margin: 0 auto 48px;
  opacity: 0.7;
  font-size: 1.02rem;
  line-height: 1.9;
  background: rgba(255, 255, 255, 0.5);
  border-radius: 20px;
  padding: 24px 28px;
  border: 1px dashed var(--line);
}

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

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

@media (max-width: 768px) {
  .header-inner {
    height: 64px;
  }

  .main-nav {
    display: none;
  }

  .menu-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    border: none;
    border-radius: 50%;
    background: var(--mint);
    cursor: pointer;
    position: relative;
  }

  .menu-toggle::before {
    content: "";
    position: absolute;
    top: 14px;
    left: 10px;
    right: 10px;
    height: 2px;
    background: var(--olive);
    border-radius: 2px;
    box-shadow: 0 6px 0 var(--olive), 0 12px 0 var(--olive);
  }

  .main-nav.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: rgba(255, 249, 239, 0.98);
    padding: 24px;
    gap: 20px;
    border-bottom: 2px solid var(--line);
    box-shadow: 0 10px 20px rgba(40, 53, 31, 0.08);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
  }

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

  .hero {
    padding: 110px 0 56px;
    gap: 40px;
  }

  .hero-content {
    flex: 1 1 100%;
  }

  .hero-image {
    flex: 1 1 100%;
    max-width: 360px;
    margin: 0 auto;
    width: 100%;
  }

  .feature-block {
    grid-template-columns: 1fr;
    gap: 40px;
  }

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

  .stat-item {
    width: 150px;
    height: 150px;
  }

  .stat-number {
    font-size: 1.8rem;
  }

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

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

@media (max-width: 480px) {
  .container {
    padding: 0 18px;
  }

  .section {
    padding: 56px 0;
  }

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

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

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

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

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

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

  .section-title {
    font-size: 1.7rem;
  }

  .cta-banner {
    padding: 40px 20px;
    border-radius: 30px 10px 30px 10px;
  }

  .stat-item {
    width: 140px;
    height: 140px;
  }
}