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

:root {
  --bg: #FAF6F0;
  --surface: #FFFFFF;
  --accent: #D96C4A;
  --secondary: #5B8C8A;
  --gold: #E8B04B;
  --ink: #2D2A26;
  --muted: #7A7166;
  --line: #E7DED2;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: system-ui, 'PingFang SC', 'Microsoft YaHei', sans-serif;
  overflow-x: hidden;
  background:
    radial-gradient(ellipse 60% 40% at 85% 15%, rgba(232, 176, 75, 0.08) 0%, transparent 65%),
    radial-gradient(ellipse 50% 50% at 10% 85%, rgba(91, 140, 138, 0.06) 0%, transparent 65%),
    var(--bg);
  color: var(--ink);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(45, 42, 38, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(45, 42, 38, 0.02) 1px, transparent 1px);
  background-size: 44px 44px;
  pointer-events: none;
  z-index: 9999;
}

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

::-webkit-scrollbar {
  width: 10px;
}
::-webkit-scrollbar-track {
  background: var(--bg);
}
::-webkit-scrollbar-thumb {
  background: #D8CDBE;
  border-radius: 10px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--accent);
}

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

.section {
  padding: 96px 0;
}

.section:nth-child(even) {
  background: #F3ECE2;
}

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

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

.seo-description {
  max-width: 620px;
  margin: 0 auto 48px;
  opacity: 0.75;
  font-size: 1.05rem;
  color: var(--muted);
}

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

/* ========== Header ========== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(250, 246, 240, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(231, 222, 210, 0.8);
}

.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: 1.3rem;
  text-decoration: none;
  color: var(--ink);
  letter-spacing: -0.5px;
}

.logo-icon {
  width: 38px;
  height: 38px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  background: linear-gradient(135deg, var(--accent) 0%, #E89B6A 100%);
  color: #fff;
  box-shadow: 0 4px 12px rgba(217, 108, 74, 0.3);
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.main-nav a {
  position: relative;
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--ink);
  transition: color 0.25s;
}

.main-nav a::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 0.3s ease;
}

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

.main-nav a:hover::after {
  transform: scaleX(1);
}

.nav-cta {
  padding: 8px 22px !important;
  border-radius: 24px;
  color: #fff !important;
  font-weight: 600 !important;
  background: var(--accent);
  box-shadow: 0 4px 12px rgba(217, 108, 74, 0.25);
  transition: transform 0.25s, box-shadow 0.25s !important;
}

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

.nav-cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 18px rgba(217, 108, 74, 0.35);
  color: #fff !important;
}

.menu-toggle {
  display: none;
  width: 42px;
  height: 42px;
  padding: 0;
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 12px;
  cursor: pointer;
  align-items: center;
  justify-content: center;
  position: relative;
  color: var(--ink);
}

.menu-toggle::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 20px;
  height: 2px;
  background: currentColor;
  border-radius: 2px;
  box-shadow: 0 -6px 0 currentColor, 0 6px 0 currentColor;
}

/* ========== Hero ========== */
.hero {
  min-height: 80vh;
  display: flex;
  align-items: center;
  gap: 56px;
  position: relative;
  padding: 120px 0 80px;
}

.hero::before {
  content: '';
  position: absolute;
  top: 20px;
  right: -60px;
  width: 380px;
  height: 380px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(232, 176, 75, 0.15) 0%, transparent 70%);
  z-index: 0;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -80px;
  left: -40px;
  width: 260px;
  height: 260px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(91, 140, 138, 0.1) 0%, transparent 70%);
  z-index: 0;
}

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

.hero-eyebrow {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 700;
  padding: 6px 20px 6px 16px;
  border-radius: 2px 20px 20px 2px;
  background: var(--secondary);
  color: #fff;
  letter-spacing: 1.5px;
  margin-bottom: 20px;
  text-transform: uppercase;
}

.hero h1 {
  font-size: clamp(2.8rem, 5.5vw, 4.6rem);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -2px;
  margin-bottom: 20px;
}

.hero p {
  font-size: 1.1rem;
  opacity: 0.7;
  max-width: 540px;
  margin-bottom: 36px;
  color: var(--muted);
  line-height: 1.7;
}

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

.hero-image {
  flex: 1;
  position: relative;
  z-index: 1;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 24px 48px rgba(45, 42, 38, 0.1);
}

.hero-image::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(217, 108, 74, 0.08) 0%, transparent 40%);
  pointer-events: none;
}

.hero-image img {
  width: 100%;
  height: auto;
  display: block;
  transform: scale(1.01);
}

/* ========== Buttons ========== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 30px;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  border: none;
  text-decoration: none;
  transition: all 0.3s ease;
  line-height: 1;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 8px 24px rgba(217, 108, 74, 0.25);
}

.btn-primary:hover {
  background: #c85d3e;
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(217, 108, 74, 0.35);
}

.btn-outline {
  background: transparent;
  border: 1.5px solid var(--accent);
  color: var(--accent);
}

.btn-outline:hover {
  background: var(--accent);
  color: #fff;
  transform: translateY(-2px);
}

/* ========== Section Label / Title ========== */
.section-label {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 14px;
}

.section-label::before {
  content: '◆ ';
  font-size: 0.6em;
  color: var(--gold);
  vertical-align: middle;
}

.section-title {
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  font-weight: 900;
  line-height: 1.2;
  letter-spacing: -1px;
  margin-bottom: 14px;
}

.section-desc {
  max-width: 600px;
  opacity: 0.75;
  margin-bottom: 48px;
  color: var(--muted);
  font-size: 1.02rem;
}

/* ========== Cards Grid ========== */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 24px;
}

.category-card {
  position: relative;
  background: var(--surface);
  border-radius: 18px;
  padding: 32px 28px;
  border: 1px solid var(--line);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  overflow: hidden;
}

.category-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 0.35s ease;
}

.category-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(217, 108, 74, 0.03) 0%, transparent 60%);
  opacity: 0;
  transition: opacity 0.35s ease;
}

.category-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 30px rgba(45, 42, 38, 0.08);
}

.category-card:hover::before {
  transform: scaleX(1);
}

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

.category-card:nth-child(1)::before { background: var(--accent); }
.category-card:nth-child(2)::before { background: var(--secondary); }
.category-card:nth-child(3)::before { background: var(--gold); }
.category-card:nth-child(4)::before { background: var(--ink); }

.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: rgba(217, 108, 74, 0.1);
}

.category-card:nth-child(2) .card-icon {
  background: rgba(91, 140, 138, 0.1);
}

.category-card:nth-child(3) .card-icon {
  background: rgba(232, 176, 75, 0.15);
}

.category-card:nth-child(4) .card-icon {
  background: rgba(45, 42, 38, 0.06);
}

.card-link {
  font-weight: 700;
  font-size: 0.85rem;
  text-decoration: none;
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin-top: 8px;
  transition: gap 0.2s;
}

.card-link:hover {
  gap: 8px;
}

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

.feature-image {
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 20px 40px rgba(45, 42, 38, 0.08);
}

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

.feature-text {
  padding: 16px 0;
}

.feature-text .section-title {
  font-size: 2rem;
}

.feature-list {
  list-style: none;
  margin-top: 24px;
}

.feature-list li {
  padding: 8px 0;
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 500;
  color: var(--ink);
}

.feature-list li::before {
  content: '✓';
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  background: var(--secondary);
  color: #fff;
  border-radius: 50%;
  font-size: 0.7rem;
  flex-shrink: 0;
}

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

.stat-item {
  position: relative;
  padding: 36px 20px 32px;
  border-radius: 18px;
  border: 1px solid var(--line);
  background: var(--surface);
  overflow: hidden;
}

.stat-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 32px;
  height: 4px;
  border-radius: 0 0 6px 6px;
  background: var(--accent);
}

.stat-item:nth-child(2)::before { background: var(--secondary); }
.stat-item:nth-child(3)::before { background: var(--gold); }
.stat-item:nth-child(4)::before { background: var(--accent); }

.stat-number {
  font-size: 2.6rem;
  font-weight: 900;
  letter-spacing: -1px;
  color: var(--ink);
  line-height: 1.1;
}

.stat-label {
  font-size: 0.9rem;
  opacity: 0.6;
  margin-top: 8px;
  color: var(--muted);
  font-weight: 500;
  letter-spacing: 0.5px;
}

/* ========== Content Wall ========== */
.content-wall {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}

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

.content-wall-item:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 30px rgba(45, 42, 38, 0.1);
}

.content-wall-item img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.content-wall-item:hover img {
  transform: scale(1.05);
}

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

.content-wall-body h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.content-wall-body p {
  font-size: 0.9rem;
  color: var(--muted);
}

/* ========== FAQ ========== */
.faq-list {
  max-width: 860px;
  margin: 0 auto;
}

.faq-item {
  border: 1px solid var(--line);
  border-radius: 14px;
  margin-bottom: 10px;
  overflow: hidden;
  cursor: pointer;
  background: var(--surface);
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.faq-item:hover {
  border-color: var(--accent);
}

.faq-item .faq-question {
  padding: 18px 22px;
  font-weight: 600;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  font-size: 1rem;
  color: var(--ink);
}

.faq-item .faq-question::after {
  content: '＋';
  font-size: 1.2rem;
  font-weight: 400;
  color: var(--accent);
  transition: transform 0.35s ease;
  flex-shrink: 0;
}

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

.faq-item .faq-answer {
  padding: 0 22px 18px;
  display: none;
  opacity: 0.75;
  color: var(--muted);
  line-height: 1.7;
  font-size: 0.95rem;
}

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

@keyframes faqFade {
  from { opacity: 0; transform: translateY(-4px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ========== CTA Banner ========== */
.cta-banner {
  position: relative;
  padding: 64px 40px;
  text-align: center;
  border-radius: 24px;
  color: #fff;
  background: linear-gradient(135deg, var(--accent) 0%, #E89B6A 100%);
  overflow: hidden;
}

.cta-banner::before {
  content: '';
  position: absolute;
  top: -60px;
  right: -40px;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
}

.cta-banner::after {
  content: '';
  position: absolute;
  bottom: -80px;
  left: -20px;
  width: 160px;
  height: 160px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.06);
}

.cta-banner h2 {
  color: #fff;
  font-size: 2.2rem;
  font-weight: 900;
  margin-bottom: 12px;
  position: relative;
  z-index: 1;
  letter-spacing: -1px;
}

.cta-banner p {
  color: rgba(255, 255, 255, 0.9);
  max-width: 520px;
  margin: 0 auto 32px;
  position: relative;
  z-index: 1;
  font-size: 1.02rem;
}

.cta-banner .btn-primary {
  background: #fff;
  color: var(--accent) !important;
  box-shadow: 0 8px 24px rgba(31, 22, 18, 0.15);
  position: relative;
  z-index: 1;
}

.cta-banner .btn-primary:hover {
  background: #F7F0EA;
  transform: translateY(-2px);
}

/* ========== Footer ========== */
.site-footer {
  padding: 64px 0 28px;
  background: #EFE9E1;
  border-top: 1px solid var(--line);
  margin-top: 64px;
}

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

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

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-size: 1.2rem;
  font-weight: 900;
  color: var(--ink);
}

.footer-brand p {
  font-size: 0.9rem;
  font-weight: 400;
  color: var(--muted);
  margin-top: 8px;
  max-width: 280px;
  line-height: 1.6;
}

.footer-col {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-col h4 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 8px;
}

.footer-col a {
  font-size: 0.9rem;
  color: var(--muted);
  text-decoration: none;
  transition: color 0.25s;
}

.footer-col a:hover {
  color: var(--accent);
}

.footer-bottom {
  border-top: 1px solid rgba(45, 42, 38, 0.1);
  margin-top: 48px;
  padding-top: 20px;
  text-align: center;
  font-size: 0.85rem;
  color: var(--muted);
}

/* ========== Responsive ========== */
@media (max-width: 1024px) {
  .hero {
    flex-direction: column;
    gap: 40px;
    padding-top: 110px;
  }
  .hero-image {
    width: 100%;
  }
  .feature-block {
    gap: 40px;
  }
}

@media (max-width: 768px) {
  .section {
    padding: 64px 0;
  }
  .feature-block {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .stats-bar {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
  .main-nav {
    display: none;
  }
  .menu-toggle {
    display: flex;
  }
  .main-nav.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 68px;
    left: 0;
    width: 100%;
    background: var(--bg);
    padding: 20px;
    border-bottom: 1px solid var(--line);
    box-shadow: 0 12px 24px rgba(45, 42, 38, 0.05);
    gap: 4px;
  }
  .main-nav.open a {
    padding: 12px 0;
    border-bottom: 1px solid rgba(45, 42, 38, 0.05);
  }
  .main-nav.open a:last-child {
    border-bottom: none;
  }
  .main-nav.open .nav-cta {
    text-align: center;
    margin-top: 8px;
  }
  .hero h1 {
    font-size: clamp(2.4rem, 8vw, 3.2rem);
  }
  .hero-buttons {
    flex-wrap: wrap;
  }
  .cta-banner {
    padding: 48px 24px;
  }
  .cta-banner h2 {
    font-size: 1.8rem;
  }
}

@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-title {
    font-size: 1.6rem;
  }
  .stat-number {
    font-size: 2rem;
  }
}