@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+SC:wght@400;500;700;900&display=swap');

:root {
  --ink: #1f1f1f;
  --paper: #fcf5ec;
  --red: #ef3e3e;
  --green: #51cf66;
  --yellow: #ffd43b;
  --white: #fffdf8;
  --muted: #5c5c5c;
  --soft-pink: #fde9e4;
  --soft-green: #e9f7e6;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Noto Sans SC', system-ui, 'PingFang SC', 'Microsoft YaHei', sans-serif;
  overflow-x: hidden;
  background-color: var(--paper);
  background-image: radial-gradient(rgba(239, 62, 62, 0.12) 1.4px, transparent 1.4px);
  background-size: 32px 32px;
  color: var(--ink);
  line-height: 1.6;
}

::selection {
  background: var(--red);
  color: #fff;
}

::-webkit-scrollbar {
  width: 14px;
}

::-webkit-scrollbar-track {
  background: var(--paper);
}

::-webkit-scrollbar-thumb {
  background: var(--red);
  border: 3px solid var(--paper);
  border-radius: 12px;
}

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

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

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

.section:nth-child(3n) {
  background: var(--soft-green);
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(252, 245, 236, 0.96);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 4px solid var(--ink);
  box-shadow: 0 3px 0 var(--green);
}

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

.logo-icon {
  width: 38px;
  height: 38px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  color: #fff;
  background: linear-gradient(135deg, var(--red) 50%, var(--green) 50%);
  border: 2px solid var(--ink);
  box-shadow: 3px 3px 0 var(--ink);
  transform: rotate(-6deg);
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 18px;
  list-style: none;
}

.main-nav a {
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--ink);
  padding: 7px 12px;
  border: 2px solid transparent;
  border-radius: 10px;
  transition: 0.2s;
}

.main-nav a:hover {
  background: var(--yellow);
  border-color: var(--ink);
  transform: rotate(-1deg);
}

.nav-cta {
  padding: 9px 22px !important;
  border-radius: 10px;
  color: #fff !important;
  font-weight: 800;
  background: var(--green);
  border: 2px solid var(--ink) !important;
  box-shadow: 3px 3px 0 var(--ink);
}

.nav-cta:hover {
  background: #3ebb5a !important;
  transform: translate(-1px, -1px) !important;
}

.menu-toggle {
  display: none;
}

.hero {
  min-height: calc(100vh - 68px);
  display: flex;
  align-items: center;
  padding: 100px 0;
  position: relative;
  isolation: isolate;
  background:
    radial-gradient(circle at 85% 20%, rgba(81, 207, 102, 0.22), transparent 26%),
    radial-gradient(circle at 10% 90%, rgba(255, 212, 59, 0.28), transparent 24%);
}

.hero::before {
  content: '';
  position: absolute;
  top: 12%;
  right: 4%;
  width: 220px;
  height: 220px;
  border: 4px dashed var(--red);
  border-radius: 50%;
  transform: rotate(8deg);
  z-index: -1;
}

.hero::after {
  content: '🍉';
  position: absolute;
  bottom: 14%;
  right: 10%;
  font-size: 5rem;
  transform: rotate(15deg);
  filter: drop-shadow(6px 6px 0 rgba(31, 31, 31, 0.12));
  z-index: -1;
}

.hero-content {
  max-width: 760px;
  position: relative;
}

.hero-eyebrow {
  display: inline-block;
  font-size: 0.82rem;
  font-weight: 900;
  letter-spacing: 1px;
  padding: 6px 18px;
  border-radius: 100px;
  margin-bottom: 18px;
  background: var(--yellow);
  border: 2px solid var(--ink);
  box-shadow: 3px 3px 0 var(--ink);
  transform: rotate(-2deg);
  color: var(--ink);
}

.hero h1 {
  font-size: clamp(2.5rem, 6vw, 4.7rem);
  line-height: 1.05;
  letter-spacing: -0.03em;
  font-weight: 900;
  margin-bottom: 22px;
}

.hero p {
  font-size: 1.15rem;
  opacity: 1;
  color: var(--muted);
  max-width: 580px;
  margin-bottom: 34px;
  font-weight: 500;
}

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

.hero-image {
  border-radius: 20px;
  overflow: hidden;
  border: 3px solid var(--ink);
  box-shadow: 10px 10px 0 var(--green);
  transform: rotate(1deg);
}

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

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 30px;
  border-radius: 12px;
  font-weight: 800;
  cursor: pointer;
  border: 2.5px solid var(--ink);
  text-decoration: none;
  transition: 0.15s ease;
  box-shadow: 4px 4px 0 var(--ink);
  font-size: 0.95rem;
}

.btn:hover {
  transform: translate(-2px, -2px);
  box-shadow: 7px 7px 0 var(--ink);
}

.btn-primary {
  background: var(--red);
  color: #fff;
}

.btn-primary:hover {
  background: #d93636;
}

.btn-outline {
  background: var(--white);
  color: var(--ink);
}

.btn-outline:hover {
  background: var(--yellow);
}

.section-label {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 900;
  letter-spacing: 2px;
  margin-bottom: 14px;
  background: var(--yellow);
  padding: 6px 16px;
  border: 2px solid var(--ink);
  border-radius: 100px;
  transform: rotate(-1.5deg);
}

.section-title {
  font-size: clamp(1.9rem, 4vw, 2.8rem);
  font-weight: 900;
  margin-bottom: 14px;
  letter-spacing: -0.02em;
  line-height: 1.15;
}

.section-desc {
  max-width: 620px;
  opacity: 1;
  color: var(--muted);
  margin-bottom: 44px;
  font-size: 1.05rem;
}

.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 26px;
}

.category-card {
  background: var(--white);
  border-radius: 18px;
  padding: 30px 28px;
  border: 2.5px solid var(--ink);
  box-shadow: 5px 5px 0 var(--ink);
  transition: 0.2s ease;
  position: relative;
}

.category-card:hover {
  transform: translate(-3px, -3px);
  box-shadow: 9px 9px 0 var(--green);
}

.card-icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  font-size: 1.5rem;
  background: var(--yellow);
  border: 2px solid var(--ink);
  box-shadow: 3px 3px 0 var(--ink);
}

.category-card:nth-child(2) .card-icon {
  background: var(--green);
}

.category-card:nth-child(3) .card-icon {
  background: var(--red);
}

.card-link {
  font-weight: 800;
  font-size: 0.9rem;
  text-decoration: none;
  color: var(--red);
  display: inline-flex;
  align-items: center;
  gap: 4px;
  border-bottom: 2px dashed transparent;
  transition: 0.2s;
}

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

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

.feature-image {
  border-radius: 20px;
  overflow: hidden;
  border: 3px solid var(--ink);
  box-shadow: 9px 9px 0 var(--green);
  transform: rotate(-0.5deg);
}

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

.feature-text .section-label {
  margin-bottom: 14px;
}

.feature-list {
  list-style: none;
  margin-top: 18px;
}

.feature-list li {
  padding: 13px 0;
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 600;
  border-bottom: 2px dashed rgba(31, 31, 31, 0.18);
}

.feature-list li:last-child {
  border-bottom: none;
}

.feature-list li::before {
  content: '🍉';
  font-size: 0.95rem;
  flex-shrink: 0;
}

.stats-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 26px;
  text-align: center;
}

.stat-item {
  background: var(--white);
  padding: 28px 20px;
  border-radius: 18px;
  border: 2.5px solid var(--ink);
  box-shadow: 5px 5px 0 var(--ink);
}

.stat-item:nth-child(even) {
  transform: translateY(8px);
}

.stat-number {
  font-size: 2.8rem;
  font-weight: 900;
  color: var(--red);
  letter-spacing: -0.03em;
  line-height: 1;
}

.stat-item:nth-child(even) .stat-number {
  color: #2f9e44;
}

.stat-label {
  font-size: 0.92rem;
  opacity: 1;
  color: var(--muted);
  margin-top: 8px;
  font-weight: 700;
}

.content-wall {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 26px;
}

.content-wall-item {
  background: var(--white);
  border-radius: 18px;
  overflow: hidden;
  border: 2.5px solid var(--ink);
  box-shadow: 5px 5px 0 var(--ink);
  transition: 0.2s ease;
}

.content-wall-item:hover {
  transform: translate(-3px, -3px);
  box-shadow: 9px 9px 0 var(--yellow);
}

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

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

.content-wall-body h3 {
  font-size: 1.15rem;
  margin-bottom: 8px;
  font-weight: 900;
}

.content-wall-body p {
  color: var(--muted);
  font-size: 0.92rem;
}

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

.faq-item {
  border: 2.5px solid var(--ink);
  border-radius: 14px;
  margin-bottom: 14px;
  overflow: hidden;
  cursor: pointer;
  background: var(--white);
  box-shadow: 4px 4px 0 var(--yellow);
  transition: 0.2s;
}

.faq-item:hover {
  transform: translate(-1px, -1px);
  box-shadow: 6px 6px 0 var(--yellow);
}

.faq-item .faq-question {
  padding: 18px 22px;
  font-weight: 800;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  font-size: 1.02rem;
}

.faq-item .faq-question::after {
  content: '＋';
  font-size: 1.3rem;
  font-weight: 900;
  color: var(--red);
  flex-shrink: 0;
}

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

.faq-item .faq-answer {
  padding: 0 22px 20px;
  display: none;
  opacity: 1;
  color: var(--muted);
  border-top: 2px dashed rgba(31, 31, 31, 0.18);
  padding-top: 14px;
}

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

.cta-banner {
  padding: 64px 32px;
  text-align: center;
  border-radius: 24px;
  color: #fff;
  background: linear-gradient(135deg, var(--red) 0%, #ff8a5c 100%);
  border: 3px solid var(--ink);
  box-shadow: 10px 10px 0 var(--green);
  transform: rotate(-1deg);
}

.cta-banner h2 {
  color: #fff;
  font-size: clamp(1.8rem, 4vw, 2.7rem);
  font-weight: 900;
  margin-bottom: 14px;
  letter-spacing: -0.02em;
}

.cta-banner p {
  color: rgba(255, 255, 255, 0.9);
  max-width: 500px;
  margin: 0 auto 28px;
  font-size: 1.05rem;
}

.cta-banner .btn-primary {
  background: var(--yellow);
  color: var(--ink);
  border-color: var(--ink);
}

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

.site-footer {
  background: var(--red);
  color: #fff;
  padding: 64px 0 32px;
  margin-top: 80px;
  border-top: 4px solid var(--ink);
}

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

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

.footer-brand a {
  font-size: 1.5rem;
  font-weight: 900;
  color: #fff;
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 8px;
}

.footer-brand p {
  color: rgba(255, 255, 255, 0.88);
  max-width: 300px;
  margin-top: 14px;
  font-size: 0.95rem;
}

.footer-col h4 {
  font-size: 1.05rem;
  margin-bottom: 16px;
  font-weight: 900;
  letter-spacing: 1px;
}

.footer-col a {
  color: rgba(255, 255, 255, 0.92);
  text-decoration: none;
  display: block;
  padding: 5px 0;
  font-size: 0.92rem;
  border-bottom: 1px solid transparent;
  transition: 0.2s;
}

.footer-col a:hover {
  opacity: 1;
  border-bottom-color: #fff;
}

.footer-bottom {
  border-top: 2px solid rgba(255, 255, 255, 0.55);
  margin-top: 44px;
  padding-top: 22px;
  text-align: center;
  font-size: 0.92rem;
  color: rgba(255, 255, 255, 0.95);
  font-weight: 500;
}

.text-accent {
  color: var(--red);
  background: linear-gradient(to top, rgba(255, 212, 59, 0.5) 35%, transparent 35%);
  padding: 0 2px;
}

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

.seo-description {
  max-width: 640px;
  margin: 0 auto 48px;
  opacity: 1;
  color: var(--muted);
}

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

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

@media (max-width: 768px) {
  .section {
    padding: 60px 0;
  }

  .feature-block {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .stats-bar {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }

  .stat-item:nth-child(even) {
    transform: none;
  }

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

  .main-nav {
    display: none;
  }

  .menu-toggle {
    display: flex;
    width: 44px;
    height: 44px;
    align-items: center;
    justify-content: center;
    background: var(--white);
    border: 2.5px solid var(--ink);
    border-radius: 10px;
    box-shadow: 3px 3px 0 var(--ink);
    font-size: 1.3rem;
    cursor: pointer;
  }

  .main-nav.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 68px;
    left: 0;
    width: 100%;
    background: var(--white);
    padding: 22px;
    border-bottom: 3px solid var(--ink);
    box-shadow: 0 8px 0 rgba(239, 62, 62, 0.15);
    gap: 12px;
  }

  .main-nav.open a {
    display: block;
    padding: 12px 8px;
    font-size: 1rem;
  }

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

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

  .hero::after {
    font-size: 3.5rem;
    right: 6%;
  }

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

@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;
    align-items: stretch;
  }

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

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

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

  .hero-image {
    box-shadow: 6px 6px 0 var(--green);
  }

  .stat-item:nth-child(even) {
    transform: none;
  }
}