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

:root {
  --bg: #FFF9F2;
  --paper: #FFFDF9;
  --ink: #3A2E2A;
  --muted: rgba(58, 46, 42, 0.65);
  --coral: #FF5C58;
  --teal: #00B8A9;
  --yellow: #FFC93C;
  --peach: #FFF0E6;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: system-ui, 'PingFang SC', 'Microsoft YaHei', sans-serif;
  overflow-x: hidden;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.6;
  position: relative;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: radial-gradient(rgba(0, 184, 169, 0.055) 1px, transparent 1px);
  background-size: 26px 26px;
  pointer-events: none;
  z-index: -1;
}

::selection {
  background: var(--yellow);
  color: var(--ink);
}

::-webkit-scrollbar {
  width: 12px;
}
::-webkit-scrollbar-track {
  background: var(--bg);
}
::-webkit-scrollbar-thumb {
  background: var(--yellow);
  border: 3px solid var(--ink);
  border-radius: 30px;
}

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

.section {
  padding: 80px 0;
  position: relative;
  scroll-margin-top: 80px;
}

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

.section .container {
  position: relative;
  z-index: 1;
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(255, 249, 242, 0.92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 2.5px solid var(--ink);
  box-shadow: 0 4px 0 rgba(255, 92, 88, 0.12);
}

.site-header::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: repeating-linear-gradient(90deg, var(--coral) 0 60px, var(--teal) 60px 120px, var(--yellow) 120px 180px);
  z-index: 1001;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 900;
  font-size: 1.35rem;
  letter-spacing: -0.03em;
  text-decoration: none;
  color: var(--ink);
}

.logo-icon {
  width: 36px;
  height: 36px;
  background: var(--yellow);
  border: 2px solid var(--ink);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  color: var(--ink);
  box-shadow: 3px 3px 0 var(--ink);
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 26px;
  list-style: none;
}

.main-nav a {
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--ink);
  padding: 6px 2px;
  position: relative;
  transition: color 0.2s;
}

.main-nav a::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 3px;
  background: var(--coral);
  border-radius: 30px;
  transition: width 0.25s ease;
}

.main-nav a:hover {
  color: var(--coral);
}

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

.nav-cta {
  background: var(--coral);
  color: #FFF !important;
  border: 2px solid var(--ink);
  border-radius: 12px;
  box-shadow: 3px 3px 0 var(--ink);
  padding: 9px 22px;
  font-weight: 700;
}

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

.nav-cta:hover {
  background: var(--teal);
  color: #FFF !important;
  transform: translate(-1px, -1px);
  box-shadow: 5px 5px 0 var(--ink);
}

.menu-toggle {
  display: none;
  width: 42px;
  height: 42px;
  background: var(--yellow);
  border: 2px solid var(--ink);
  border-radius: 12px;
  box-shadow: 3px 3px 0 var(--ink);
  cursor: pointer;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  color: var(--ink);
}

.hero {
  min-height: 70vh;
  display: flex;
  align-items: center;
  gap: 48px;
  padding: 130px 0 80px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -60px;
  right: -60px;
  width: 300px;
  height: 300px;
  background-image: radial-gradient(rgba(255, 92, 88, 0.28) 1.5px, transparent 1.5px);
  background-size: 16px 16px;
  border-radius: 50%;
  pointer-events: none;
  z-index: 0;
}

.hero::after {
  content: '✦';
  position: absolute;
  bottom: 110px;
  left: 3%;
  font-size: 3rem;
  color: var(--teal);
  opacity: 0.5;
  pointer-events: none;
  z-index: 0;
  animation: float 6s ease-in-out infinite;
}

.hero .container {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 56px;
  align-items: center;
  width: 100%;
}

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

.hero > .hero-content {
  flex: 1.15;
  max-width: none;
}

.hero > .hero-image {
  flex: 1;
}

.hero-eyebrow {
  display: inline-block;
  font-size: 0.82rem;
  font-weight: 800;
  padding: 5px 16px;
  border-radius: 50px;
  background: var(--yellow);
  border: 2px solid var(--ink);
  box-shadow: 3px 3px 0 var(--ink);
  color: var(--ink);
  letter-spacing: 1px;
  margin-bottom: 20px;
  transform: rotate(-1.5deg);
  animation: wiggle 5s ease-in-out infinite;
}

.hero h1 {
  font-size: clamp(2.7rem, 5vw, 4.3rem);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: 22px;
  color: var(--ink);
  text-shadow: 4px 4px 0 rgba(255, 201, 60, 0.45);
  position: relative;
  display: inline-block;
}

.hero h1::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 0;
  width: 100%;
  height: 10px;
  background: repeating-linear-gradient(45deg, var(--yellow) 0 7px, var(--coral) 7px 14px);
  border-radius: 30px;
  opacity: 0.7;
}

.hero p {
  font-size: 1.1rem;
  color: var(--ink);
  opacity: 0.65;
  max-width: 560px;
  margin-bottom: 34px;
  line-height: 1.8;
}

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

.hero-image {
  border-radius: 24px;
  overflow: hidden;
  border: 3px solid var(--ink);
  box-shadow: 10px 10px 0 var(--coral);
  transform: rotate(1.5deg);
  transition: all 0.3s ease;
  position: relative;
  z-index: 2;
  background: var(--paper);
}

.hero-image:hover {
  transform: rotate(0deg) translate(-3px, -3px);
  box-shadow: 14px 14px 0 var(--teal);
}

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

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 30px;
  border-radius: 14px;
  font-weight: 700;
  font-size: 0.95rem;
  cursor: pointer;
  border: 2px solid var(--ink);
  text-decoration: none;
  transition: all 0.18s ease;
}

.btn:active {
  transform: translate(2px, 2px);
  box-shadow: none !important;
}

.btn-primary {
  background: var(--coral);
  color: #FFF;
  box-shadow: 5px 5px 0 var(--ink);
}

.btn-primary:hover {
  transform: translate(-2px, -2px);
  box-shadow: 8px 8px 0 var(--ink);
  background: #FF6B67;
}

.btn-outline {
  background: transparent;
  color: var(--ink);
  border-color: var(--ink);
  box-shadow: 4px 4px 0 rgba(58, 46, 42, 0.22);
}

.btn-outline:hover {
  background: var(--yellow);
  transform: translate(-2px, -2px);
  box-shadow: 7px 7px 0 rgba(58, 46, 42, 0.3);
}

.section-label {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  background: var(--yellow);
  border: 2px solid var(--ink);
  border-radius: 50px;
  padding: 5px 16px;
  box-shadow: 3px 3px 0 var(--ink);
  color: var(--ink);
  transform: rotate(-1deg);
  margin-bottom: 18px;
}

.section-title {
  font-size: clamp(2rem, 3.5vw, 2.8rem);
  font-weight: 900;
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin-bottom: 18px;
  color: var(--ink);
  position: relative;
}

.section-title::after {
  content: '';
  display: block;
  width: 90px;
  height: 6px;
  background: repeating-linear-gradient(45deg, var(--coral) 0 6px, var(--yellow) 6px 12px);
  border-radius: 50px;
  margin-top: 14px;
}

.section-desc {
  max-width: 600px;
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.75;
  margin-bottom: 42px;
}

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

.category-card {
  background: var(--paper);
  border: 2.5px solid var(--ink);
  border-radius: 22px;
  padding: 30px;
  box-shadow: 6px 6px 0 var(--coral);
  transition: all 0.2s ease;
  position: relative;
  overflow: hidden;
}

.category-card:hover {
  transform: translate(-3px, -3px);
  box-shadow: 10px 10px 0 var(--teal);
}

.category-card::after {
  content: '';
  position: absolute;
  top: -40px;
  right: -40px;
  width: 90px;
  height: 90px;
  background-image: radial-gradient(rgba(0, 184, 169, 0.3) 1px, transparent 1px);
  background-size: 10px 10px;
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
}

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

.card-icon {
  width: 52px;
  height: 52px;
  background: var(--yellow);
  border: 2px solid var(--ink);
  border-radius: 14px;
  box-shadow: 3px 3px 0 var(--ink);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  color: var(--ink);
  margin-bottom: 18px;
}

.card-link {
  display: inline-block;
  color: var(--coral);
  font-weight: 800;
  font-size: 0.85rem;
  text-decoration: none;
  border-bottom: 2px solid var(--yellow);
  padding-bottom: 2px;
  transition: all 0.2s ease;
  margin-top: 10px;
}

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

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

.feature-image {
  border-radius: 22px;
  overflow: hidden;
  border: 3px solid var(--ink);
  box-shadow: 8px 8px 0 var(--yellow);
  transform: rotate(-1deg);
  transition: all 0.3s ease;
}

.feature-image:hover {
  transform: rotate(0deg) translate(-3px, -3px);
  box-shadow: 12px 12px 0 var(--teal);
}

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

.feature-text {
  position: relative;
}

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

.feature-list li {
  padding: 11px 0;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.02rem;
  font-weight: 500;
  border-bottom: 1.5px dashed rgba(58, 46, 42, 0.15);
}

.feature-list li::before {
  content: '★';
  font-weight: 700;
  color: var(--coral);
  font-size: 0.8rem;
}

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

.stat-item {
  background: var(--paper);
  border: 2.5px solid var(--ink);
  border-radius: 20px;
  padding: 28px 16px;
  box-shadow: 5px 5px 0 var(--teal);
  transition: all 0.2s ease;
}

.stat-item:hover {
  transform: translate(-2px, -2px);
  box-shadow: 8px 8px 0 var(--yellow);
}

.stat-number {
  font-size: 2.4rem;
  font-weight: 900;
  line-height: 1;
  color: var(--coral);
  display: inline-block;
  border-bottom: 4px solid var(--yellow);
  padding-bottom: 4px;
}

.stat-label {
  font-size: 0.85rem;
  opacity: 0.65;
  margin-top: 12px;
  color: var(--ink);
  font-weight: 600;
  letter-spacing: 0.03em;
}

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

.content-wall-item {
  background: var(--paper);
  border: 2.5px solid var(--ink);
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 6px 6px 0 rgba(0, 184, 169, 0.4);
  transition: all 0.2s ease;
  position: relative;
}

.content-wall-item:hover {
  transform: translate(-3px, -3px);
  box-shadow: 10px 10px 0 var(--teal);
}

.content-wall-item img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-bottom: 2.5px solid var(--ink);
  display: block;
}

.content-wall-body {
  padding: 20px 22px;
}

.content-wall-body h3 {
  font-size: 1.1rem;
  font-weight: 800;
  margin-bottom: 8px;
  color: var(--ink);
}

.content-wall-body p {
  font-size: 0.88rem;
  opacity: 0.65;
  line-height: 1.6;
  margin-bottom: 10px;
}

.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  background: var(--paper);
  border: 2.5px solid var(--ink);
  border-radius: 16px;
  margin-bottom: 14px;
  overflow: hidden;
  box-shadow: 4px 4px 0 rgba(255, 201, 60, 0.5);
  transition: all 0.25s ease;
}

.faq-item.open {
  box-shadow: 6px 6px 0 var(--yellow);
}

.faq-item .faq-question {
  padding: 18px 22px;
  font-weight: 700;
  font-size: 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  color: var(--ink);
  transition: background 0.2s;
}

.faq-item .faq-question:hover {
  background: rgba(255, 201, 60, 0.15);
}

.faq-item .faq-question::after {
  content: '✚';
  font-size: 1.15rem;
  color: var(--coral);
  font-weight: 800;
  flex-shrink: 0;
  margin-left: 12px;
}

.faq-item.open .faq-question::after {
  content: '✕';
  font-size: 0.95rem;
}

.faq-item .faq-answer {
  padding: 0 22px 18px;
  display: none;
  opacity: 0.7;
  line-height: 1.75;
  font-size: 0.95rem;
  color: var(--ink);
}

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

.cta-banner {
  background: var(--teal);
  padding: 64px 24px;
  text-align: center;
  border: 3px solid var(--ink);
  border-radius: 28px;
  color: #FFF;
  box-shadow: 10px 10px 0 var(--coral);
  position: relative;
  overflow: hidden;
}

.cta-banner::before {
  content: '';
  position: absolute;
  top: -60px;
  left: -60px;
  width: 190px;
  height: 190px;
  background-image: radial-gradient(rgba(255, 255, 255, 0.35) 1px, transparent 1px);
  background-size: 14px 14px;
  border-radius: 50%;
  pointer-events: none;
}

.cta-banner::after {
  content: '♫';
  position: absolute;
  bottom: -30px;
  right: 20px;
  font-size: 5.5rem;
  color: rgba(255, 255, 255, 0.18);
  transform: rotate(-15deg);
  line-height: 1;
  pointer-events: none;
}

.cta-banner h2 {
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  font-weight: 900;
  color: #FFF;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
  position: relative;
  z-index: 1;
}

.cta-banner p {
  color: rgba(255, 255, 255, 0.85);
  max-width: 480px;
  margin: 0 auto 20px;
  position: relative;
  z-index: 1;
  line-height: 1.7;
}

.cta-banner .btn-primary {
  background: #FFF;
  color: var(--ink);
  border-color: var(--ink);
  box-shadow: 5px 5px 0 var(--ink);
  margin-top: 10px;
  position: relative;
  z-index: 1;
}

.cta-banner .btn-primary:hover {
  background: var(--yellow);
  color: var(--ink);
  box-shadow: 8px 8px 0 var(--ink);
  transform: translate(-2px, -2px);
}

.site-footer {
  background: #FFE8D9;
  padding: 64px 0 28px;
  border-top: 3px solid var(--ink);
  position: relative;
  margin-top: 40px;
}

.site-footer .container {
  position: relative;
  z-index: 1;
}

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

.footer-brand p {
  opacity: 0.7;
  line-height: 1.7;
  margin-top: 14px;
  font-size: 0.92rem;
  max-width: 280px;
}

.footer-col h4 {
  font-size: 1rem;
  font-weight: 800;
  color: var(--ink);
  letter-spacing: 0.05em;
  margin-bottom: 18px;
  padding-bottom: 8px;
  position: relative;
}

.footer-col h4::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 24px;
  height: 3px;
  background: var(--coral);
  border-radius: 30px;
}

.footer-col a {
  display: block;
  color: var(--ink);
  opacity: 0.65;
  text-decoration: none;
  padding: 4px 0;
  font-size: 0.92rem;
  transition: all 0.2s ease;
}

.footer-col a:hover {
  opacity: 1;
  color: var(--coral);
  padding-left: 4px;
}

.footer-bottom {
  border-top: 1.5px solid rgba(58, 46, 42, 0.15);
  margin-top: 44px;
  padding-top: 20px;
  text-align: center;
  font-size: 0.85rem;
  opacity: 0.7;
  color: var(--ink);
}

.text-accent {
  color: var(--coral);
  font-weight: 700;
}

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

.seo-description {
  max-width: 600px;
  margin: 0 auto 48px;
  opacity: 0.7;
  color: var(--ink);
  line-height: 1.75;
  text-align: center;
}

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

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

@keyframes float {
  0%, 100% {
    transform: translateY(0) rotate(0deg);
  }
  50% {
    transform: translateY(-16px) rotate(8deg);
  }
}

@keyframes wiggle {
  0%, 100% {
    transform: rotate(-3deg);
  }
  50% {
    transform: rotate(3deg);
  }
}

@media (max-width: 768px) {
  .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;
  }

  .menu-toggle {
    display: flex;
  }

  .main-nav.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 72px;
    left: 0;
    width: 100%;
    background: var(--bg);
    padding: 24px;
    align-items: flex-start;
    border-bottom: 3px solid var(--ink);
    box-shadow: 0 14px 0 rgba(255, 92, 88, 0.14);
    z-index: 100;
    gap: 4px;
  }

  .main-nav.open a {
    width: 100%;
    padding: 12px 0;
    font-size: 1.05rem;
    border-bottom: 1.5px dashed rgba(58, 46, 42, 0.12);
  }

  .main-nav.open a::after {
    display: none;
  }

  .main-nav.open .nav-cta {
    margin-top: 16px;
    text-align: center;
    justify-content: center;
  }

  .hero {
    padding-top: 140px;
    padding-bottom: 60px;
  }

  .hero .container {
    grid-template-columns: 1fr;
    gap: 44px;
  }

  .hero > .hero-content,
  .hero > .hero-image {
    flex: none;
    max-width: 100%;
  }

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

  .hero::before {
    width: 160px;
    height: 160px;
  }

  .hero::after {
    display: none;
  }

  .hero-image {
    max-width: 100%;
    transform: rotate(0deg);
  }

  .hero-image:hover {
    transform: translate(-3px, -3px);
  }

  .section-title {
    font-size: 1.9rem;
  }
}

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

  .hero h1 {
    font-size: 2.1rem;
  }

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

  .section {
    padding: 60px 0;
  }

  .cta-banner {
    padding: 48px 20px;
    border-radius: 22px;
  }

  .cta-banner::after {
    font-size: 3.5rem;
  }

  .header-inner {
    padding: 0 16px;
  }

  .logo {
    font-size: 1.15rem;
  }

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