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

:root {
  --bg-cream: #FBF8F2;
  --bg-paper: #F0E9DF;
  --bg-white: #FFFFFB;
  --ink: #26221F;
  --coral: #E15A3C;
  --teal: #1B9187;
  --gold: #EAB948;
  --sky: #A8C5D6;
  --shadow-soft: 0 8px 30px rgba(38, 34, 31, 0.06);
  --shadow-hard: 8px 8px 0 rgba(38, 34, 31, 0.08);
}

html { scroll-behavior:smooth; }

body {
  font-family: system-ui, 'PingFang SC', 'Microsoft YaHei', sans-serif;
  overflow-x:hidden;
  background-color: var(--bg-cream);
  color: var(--ink);
  font-weight: 400;
  line-height: 1.6;
  letter-spacing: 0.01em;
}

::selection { background: var(--coral); color: #FFF; }

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

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

.section:nth-child(even) {
  background-color: var(--bg-paper);
  background-image: radial-gradient(rgba(225, 90, 60, 0.06) 1px, transparent 1px);
  background-size: 28px 28px;
}

/* ========== Header ========== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(251, 248, 242, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 2px solid var(--ink);
  box-shadow: 0 2px 0 var(--gold);
}

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

.logo-icon {
  width: 36px;
  height: 36px;
  border-radius: 4px 14px 4px 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  background: var(--coral);
  color: #FFF;
  font-weight: 900;
  box-shadow: 3px 3px 0 var(--ink);
  transform: rotate(-4deg);
}

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

.main-nav a {
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--ink);
  transition: color 0.2s ease;
  position: relative;
  padding: 4px 0;
}

.main-nav a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--teal);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.3s ease;
}

.main-nav a:hover { color: var(--coral); }
.main-nav a:hover::after { transform: scaleX(1); transform-origin: left; }

.nav-cta {
  padding: 10px 22px;
  border-radius: 999px;
  background: var(--teal);
  color: #fff !important;
  font-weight: 700;
  box-shadow: 3px 3px 0 var(--ink);
  transition: transform 0.2s, box-shadow 0.2s, background 0.2s;
}

.nav-cta::after { display: none; }
.nav-cta:hover {
  background: var(--coral);
  transform: translate(2px, 2px);
  box-shadow: 1px 1px 0 var(--ink);
}

.menu-toggle {
  display: none;
  background: none;
  border: 2px solid var(--ink);
  border-radius: 8px;
  padding: 8px 10px;
  cursor: pointer;
  align-items: center;
  justify-content: center;
  gap: 4px;
  font-size: 0.8rem;
  font-weight: 700;
  background: var(--gold);
}

/* ========== Hero ========== */
.hero {
  min-height: 70vh;
  display: flex;
  align-items: center;
  position: relative;
  padding-top: 120px;
  padding-bottom: 80px;
}

.hero::before {
  content: '';
  position: absolute;
  top: 140px;
  right: -40px;
  width: 200px;
  height: 200px;
  background: radial-gradient(circle, var(--gold) 0%, transparent 60%);
  opacity: 0.4;
  z-index: 0;
  border-radius: 50%;
}

.hero::after {
  content: '';
  position: absolute;
  top: 260px;
  left: -60px;
  width: 160px;
  height: 160px;
  background-image: radial-gradient(var(--coral) 1.5px, transparent 1.5px);
  background-size: 20px 20px;
  opacity: 0.15;
  z-index: 0;
}

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

.hero-eyebrow {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 700;
  padding: 6px 18px;
  border-radius: 999px;
  background: var(--coral);
  color: #fff;
  margin-bottom: 20px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  box-shadow: 4px 4px 0 rgba(38, 34, 31, 0.9);
  transform: rotate(-2deg);
}

.hero h1 {
  font-size: clamp(2.6rem, 5.5vw, 4rem);
  line-height: 1.08;
  font-weight: 900;
  margin-bottom: 20px;
  letter-spacing: -0.03em;
  color: var(--ink);
}

.hero h1 span {
  display: inline-block;
  background: linear-gradient(120deg, var(--coral) 0%, var(--teal) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero p {
  font-size: 1.1rem;
  opacity: 0.75;
  max-width: 560px;
  margin-bottom: 36px;
  font-weight: 400;
  line-height: 1.7;
}

.hero-buttons {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.hero-image {
  border-radius: 4px 32px 4px 32px;
  overflow: hidden;
  border: 3px solid var(--ink);
  box-shadow: 10px 10px 0 var(--coral);
  transform: rotate(1.5deg);
  position: relative;
  z-index: 1;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.hero-image:hover {
  transform: rotate(0deg) translate(-2px, -2px);
  box-shadow: 14px 14px 0 var(--teal);
}

.hero-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  filter: saturate(1.05) contrast(1.02);
}

/* ========== Buttons ========== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 30px;
  border-radius: 8px;
  font-weight: 700;
  font-size: 0.95rem;
  cursor: pointer;
  border: none;
  text-decoration: none;
  transition: all 0.25s ease;
  letter-spacing: 0.02em;
}

.btn-primary {
  background: var(--coral);
  color: #fff;
  box-shadow: 4px 4px 0 var(--ink);
  border: 2px solid var(--ink);
}

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

.btn-outline {
  background: transparent;
  border: 2px solid var(--ink);
  color: var(--ink);
  box-shadow: 4px 4px 0 rgba(38, 34, 31, 0.1);
}

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

/* ========== Section Labels ========== */
.section-label {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--coral);
  margin-bottom: 14px;
  padding-bottom: 6px;
  border-bottom: 2px solid var(--gold);
}

.section-title {
  font-size: clamp(2rem, 4vw, 2.6rem);
  font-weight: 900;
  margin-bottom: 14px;
  letter-spacing: -0.025em;
  line-height: 1.2;
}

.section-desc {
  max-width: 600px;
  opacity: 0.7;
  margin-bottom: 44px;
  font-size: 1rem;
  line-height: 1.7;
}

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

.category-card {
  border-radius: 4px 20px 4px 20px;
  padding: 30px 26px;
  border: 2px solid var(--ink);
  background: var(--bg-white);
  box-shadow: var(--shadow-hard);
  transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s;
  position: relative;
  overflow: hidden;
}

.category-card::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 40px;
  height: 40px;
  background: var(--gold);
  clip-path: polygon(0 0, 100% 0, 100% 100%);
  opacity: 0.5;
  transition: opacity 0.25s;
}

.category-card:hover {
  transform: translateY(-6px) rotate(-0.5deg);
  box-shadow: 12px 12px 0 var(--teal);
  background: #fff;
}

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

.card-icon {
  width: 52px;
  height: 52px;
  border-radius: 4px 16px 4px 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  font-size: 1.4rem;
  background: var(--bg-paper);
  border: 2px solid var(--ink);
  box-shadow: 3px 3px 0 var(--ink);
}

.card-link {
  font-weight: 700;
  font-size: 0.85rem;
  text-decoration: none;
  color: var(--coral);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 12px;
}

.card-link::after {
  content: '→';
  transition: transform 0.2s;
}

.card-link:hover::after { transform: translateX(4px); }

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

.feature-image {
  border-radius: 24px 4px 24px 4px;
  overflow: hidden;
  border: 3px solid var(--ink);
  box-shadow: 10px 10px 0 var(--gold);
  transform: rotate(-1deg);
  transition: transform 0.3s;
}

.feature-image:hover { transform: rotate(0deg); }

.feature-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.feature-text { position: relative; }

.feature-text .btn { margin-top: 8px; }

.feature-list {
  list-style: none;
  margin: 20px 0 28px;
}

.feature-list li {
  padding: 8px 0;
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 500;
}

.feature-list li::before {
  content: '✓';
  font-weight: 900;
  color: var(--teal);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  background: rgba(27, 145, 135, 0.12);
  border-radius: 50%;
  font-size: 0.8rem;
}

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

.stat-item {
  padding: 28px 20px;
  border-radius: 4px 20px 4px 20px;
  border: 2px solid var(--ink);
  background: var(--bg-white);
  box-shadow: 6px 6px 0 var(--ink);
  position: relative;
  transition: transform 0.2s, box-shadow 0.2s;
}

.stat-item:nth-child(odd) { transform: rotate(-1deg); }
.stat-item:nth-child(even) { transform: rotate(1deg); }

.stat-item:hover {
  transform: rotate(0deg) translateY(-4px);
  box-shadow: 10px 10px 0 var(--coral);
}

.stat-item::after {
  content: '';
  position: absolute;
  top: 8px;
  right: 8px;
  width: 8px;
  height: 8px;
  background: var(--coral);
  border-radius: 50%;
}

.stat-number {
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  font-weight: 900;
  color: var(--coral);
  line-height: 1.1;
}

.stat-label {
  font-size: 0.9rem;
  opacity: 0.6;
  margin-top: 8px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

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

.content-wall-item {
  border-radius: 4px 24px 4px 24px;
  overflow: hidden;
  border: 2px solid var(--ink);
  background: var(--bg-white);
  box-shadow: 6px 6px 0 rgba(38, 34, 31, 0.1);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.content-wall-item:nth-child(even) {
  border-radius: 24px 4px 24px 4px;
}

.content-wall-item:hover {
  transform: translateY(-5px) rotate(0.3deg);
  box-shadow: 10px 10px 0 var(--teal);
}

.content-wall-item img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  display: block;
  border-bottom: 2px solid var(--ink);
  filter: saturate(1.05);
}

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

.content-wall-body h3 {
  font-size: 1.05rem;
  font-weight: 800;
  margin-bottom: 6px;
}

.content-wall-body p {
  font-size: 0.9rem;
  opacity: 0.65;
  line-height: 1.5;
}

/* ========== FAQ ========== */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  border: 2px solid var(--ink);
  border-radius: 4px 16px 4px 16px;
  margin-bottom: 14px;
  overflow: hidden;
  cursor: pointer;
  background: var(--bg-white);
  box-shadow: 4px 4px 0 rgba(38, 34, 31, 0.08);
  transition: box-shadow 0.25s, transform 0.25s;
}

.faq-item:hover {
  box-shadow: 6px 6px 0 rgba(38, 34, 31, 0.16);
  transform: translateY(-2px);
}

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

.faq-item .faq-question {
  padding: 18px 22px;
  font-weight: 700;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 1rem;
  background: transparent;
  transition: background 0.3s;
}

.faq-item.open .faq-question {
  background: rgba(225, 90, 60, 0.06);
}

.faq-item .faq-question::after {
  content: '+';
  font-size: 1.6rem;
  font-weight: 400;
  line-height: 1;
  color: var(--coral);
  transition: transform 0.35s ease;
}

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

.faq-item .faq-answer {
  padding: 0 22px 18px;
  display: none;
  opacity: 0.7;
  font-size: 0.92rem;
  line-height: 1.7;
}

.faq-item.open .faq-answer {
  display: block;
  animation: faqFade 0.3s ease;
}

@keyframes faqFade {
  from { opacity: 0; transform: translateY(-6px); }
  to { opacity: 0.7; transform: translateY(0); }
}

/* ========== CTA Banner ========== */
.cta-banner {
  padding: 56px 40px;
  text-align: center;
  border-radius: 4px 32px 4px 32px;
  background: var(--teal);
  color: #fff;
  border: 3px solid var(--ink);
  box-shadow: 10px 10px 0 var(--coral);
  position: relative;
  overflow: hidden;
}

.cta-banner::before {
  content: '';
  position: absolute;
  top: -30px;
  right: -30px;
  width: 100px;
  height: 100px;
  background: var(--gold);
  border-radius: 50%;
  opacity: 0.3;
}

.cta-banner::after {
  content: '';
  position: absolute;
  bottom: -40px;
  left: -40px;
  width: 140px;
  height: 140px;
  border: 3px dashed rgba(255,255,255,0.4);
  border-radius: 50%;
}

.cta-banner h2 {
  color: #fff;
  font-size: clamp(1.8rem, 3.5vw, 2.4rem);
  font-weight: 900;
  margin-bottom: 10px;
  letter-spacing: -0.02em;
}

.cta-banner p {
  color: rgba(255,255,255,0.85);
  margin-bottom: 24px;
  max-width: 400px;
  margin-left: auto;
  margin-right: auto;
}

.cta-banner .btn-primary {
  background: #fff;
  color: var(--teal);
  border-color: var(--ink);
  box-shadow: 4px 4px 0 var(--ink);
}

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

/* ========== Footer ========== */
.site-footer {
  padding: 60px 0 28px;
  background-color: var(--bg-paper);
  border-top: 3px solid var(--ink);
  margin-top: 80px;
  position: relative;
}

.site-footer::before {
  content: '';
  position: absolute;
  top: -6px;
  left: 0;
  width: 100%;
  height: 6px;
  background: linear-gradient(90deg, var(--coral) 0%, var(--gold) 30%, var(--teal) 70%, var(--coral) 100%);
  opacity: 0.6;
}

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

.footer-brand {
  font-size: 0.95rem;
  opacity: 0.8;
  line-height: 1.6;
}

.footer-brand .logo { margin-bottom: 14px; }

.footer-col h4 {
  font-size: 0.95rem;
  font-weight: 800;
  margin-bottom: 14px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--coral);
}

.footer-col a {
  display: block;
  color: var(--ink);
  text-decoration: none;
  font-size: 0.9rem;
  padding: 5px 0;
  opacity: 0.75;
  transition: opacity 0.2s, color 0.2s, padding-left 0.2s;
}

.footer-col a:hover {
  opacity: 1;
  color: var(--teal);
  padding-left: 6px;
}

.footer-bottom {
  border-top: 2px solid rgba(38, 34, 31, 0.15);
  margin-top: 40px;
  padding-top: 20px;
  text-align: center;
  font-size: 0.85rem;
  opacity: 0.6;
}

/* ========== Utility ========== */
.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;
  font-size: 1rem;
  line-height: 1.7;
  text-align: center;
}

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

/* ========== Responsive ========== */
@media (max-width: 768px) {
  .menu-toggle {
    display: flex;
    z-index: 1001;
  }

  .main-nav {
    display: none;
    position: absolute;
    top: 68px;
    left: 0;
    width: 100%;
    background: var(--bg-cream);
    padding: 24px;
    flex-direction: column;
    align-items: flex-start;
    gap: 18px;
    border-bottom: 2px solid var(--ink);
    box-shadow: 0 12px 20px rgba(38, 34, 31, 0.1);
  }

  .main-nav.open {
    display: flex;
  }

  .main-nav a { font-size: 1.05rem; width: 100%; }

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

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

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

  .hero { padding-top: 100px; }

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

  .hero-image { margin-top: 32px; }
}

@media (max-width: 480px) {
  .cards-grid,
  .content-wall,
  .stats-bar {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

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

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

  .section { padding: 56px 0; }

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

  .btn { width: 100%; }
}