:root {
  --coral: #FF5D5D;
  --coral-light: #FF8A70;
  --mint: #3DD68C;
  --mint-light: #A0E8C0;
  --honey: #FFC94D;
  --cream: #FFF9F2;
  --sand: #FFF3EC;
  --ink: #2D1B14;
  --shadow-soft: 0 8px 32px rgba(45,27,20,0.06);
  --shadow-coral: 0 8px 24px rgba(255,93,93,0.18);
}

/* 基础重置 */
*, *::before, *::after { margin:0; padding:0; box-sizing:border-box; }

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

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

::-webkit-scrollbar { width:8px; }
::-webkit-scrollbar-track { background:var(--cream); }
::-webkit-scrollbar-thumb {
  background:linear-gradient(180deg, var(--coral), var(--honey));
  border-radius:8px;
}

/* 核心布局 — 必须居中 */
.container {
  max-width:1200px;
  margin:0 auto;
  padding:0 24px;
  position:relative;
  z-index:1;
}

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

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

.section:nth-child(even)::before {
  content:'';
  position:absolute;
  top:0; left:0; right:0; bottom:0;
  background-image: radial-gradient(rgba(255,93,93,0.06) 1.5px, transparent 1.5px);
  background-size:28px 28px;
  pointer-events:none;
  z-index:0;
}

/* 导航 — 固定顶部 */
.site-header {
  position:fixed;
  top:0; left:0;
  width:100%;
  z-index:1000;
  background:rgba(255,249,242,0.92);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border-bottom:1px solid rgba(255,93,93,0.1);
  box-shadow:0 4px 32px rgba(45,27,20,0.04);
}

.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:800;
  font-size:1.35rem;
  text-decoration:none;
  color:var(--ink);
  letter-spacing:-0.02em;
}

.logo-icon {
  width:40px;
  height:40px;
  border-radius:50%;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:1.1rem;
  background:linear-gradient(135deg, var(--coral), var(--honey));
  color:#fff;
  box-shadow:0 4px 16px rgba(255,93,93,0.35);
  transition:transform 0.4s ease;
}

.logo:hover .logo-icon { transform:rotate(45deg) scale(1.08); }

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

.main-nav a {
  text-decoration:none;
  font-size:0.92rem;
  font-weight:500;
  color:var(--ink);
  opacity:0.7;
  transition:all 0.25s ease;
  position:relative;
  padding:4px 0;
}

.main-nav a:hover {
  opacity:1;
  color:var(--coral);
}

.main-nav a::after {
  content:'';
  position:absolute;
  bottom:0; left:0;
  width:0;
  height:2px;
  background:linear-gradient(90deg, var(--coral), var(--honey));
  border-radius:2px;
  transition:width 0.35s cubic-bezier(0.22,1,0.36,1);
}

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

.nav-cta {
  padding:10px 26px;
  border-radius:50px;
  background:linear-gradient(135deg, var(--coral), var(--coral-light));
  color:#fff !important;
  font-weight:700;
  opacity:1;
  box-shadow:0 4px 20px rgba(255,93,93,0.3);
  transition:all 0.3s ease;
}

.nav-cta:hover {
  transform:translateY(-2px);
  box-shadow:0 8px 24px rgba(255,93,93,0.4);
  color:#fff !important;
  opacity:1;
}

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

.menu-toggle {
  display:none;
  background:none;
  border:none;
  font-size:1.6rem;
  cursor:pointer;
  color:var(--ink);
  width:44px;
  height:44px;
  border-radius:14px;
  align-items:center;
  justify-content:center;
  transition:background 0.2s;
}

.menu-toggle:hover { background:rgba(255,93,93,0.08); }

/* 首页Hero */
.hero {
  min-height:100vh;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:48px;
  padding:140px 24px 80px;
  position:relative;
  overflow:hidden;
  background:
    radial-gradient(ellipse at 80% 10%, rgba(255,201,77,0.16), transparent 55%),
    radial-gradient(ellipse at 10% 90%, rgba(61,214,140,0.12), transparent 50%),
    var(--cream);
}

.hero::before {
  content:'';
  position:absolute;
  top:-160px; right:-160px;
  width:560px; height:560px;
  border-radius:50%;
  background:radial-gradient(circle, rgba(255,93,93,0.12), transparent 65%);
  pointer-events:none;
}

.hero::after {
  content:'';
  position:absolute;
  bottom:10%; left:6%;
  width:12px; height:20px;
  background:linear-gradient(135deg, #2D1B14, #5A3D2B);
  border-radius:50% 50% 50% 50% / 60% 60% 40% 40%;
  transform:rotate(35deg);
  opacity:0.12;
  box-shadow:
    180px 40px 0 -4px rgba(45,27,20,0.1),
    350px -20px 0 -4px rgba(45,27,20,0.08),
    480px 120px 0 -4px rgba(45,27,20,0.06);
  pointer-events:none;
}

.hero-content {
  max-width:580px;
  position:relative;
  z-index:1;
}

.hero-eyebrow {
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:0.8rem;
  font-weight:700;
  padding:6px 18px;
  border-radius:50px;
  background:var(--coral);
  color:#fff;
  margin-bottom:24px;
  letter-spacing:0.06em;
  box-shadow:0 4px 20px rgba(255,93,93,0.35);
}

.hero-eyebrow::before {
  content:'';
  width:8px; height:8px;
  border-radius:50%;
  background:#fff;
  animation:pulse 1.6s infinite;
}

@keyframes pulse {
  0% { box-shadow:0 0 0 0 rgba(255,255,255,0.6); }
  70% { box-shadow:0 0 0 10px rgba(255,255,255,0); }
  100% { box-shadow:0 0 0 0 rgba(255,255,255,0); }
}

.hero h1 {
  font-size:clamp(3rem, 6.5vw, 4.6rem);
  line-height:1.12;
  margin-bottom:24px;
  font-weight:900;
  letter-spacing:-0.03em;
  color:var(--ink);
}

.hero h1::after {
  content:'🍉';
  display:inline-block;
  font-size:0.6em;
  margin-left:8px;
  animation:float 5s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform:translateY(0) rotate(0deg); }
  50% { transform:translateY(-12px) rotate(8deg); }
}

.hero p {
  font-size:1.15rem;
  opacity:0.72;
  max-width:520px;
  margin-bottom:36px;
  line-height:1.75;
}

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

.hero-image {
  position:relative;
  width:480px;
  height:430px;
  flex-shrink:0;
  border-radius:38% 62% 52% 48% / 48% 38% 62% 52%;
  overflow:hidden;
  background:linear-gradient(135deg, var(--coral) 0%, var(--coral-light) 50%, var(--honey) 100%);
  box-shadow:0 32px 90px rgba(255,93,93,0.28);
  animation:heroFloat 8s ease-in-out infinite;
  z-index:1;
}

.hero-image::after {
  content:'';
  position:absolute;
  width:28px; height:20px;
  top:32%; left:28%;
  background:rgba(45,27,20,0.5);
  border-radius:50% 50% 50% 50% / 55% 55% 45% 45%;
  box-shadow:
    70px 45px 0 -6px rgba(45,27,20,0.4),
    -45px 80px 0 -6px rgba(45,27,20,0.3),
    110px -35px 0 -8px rgba(45,27,20,0.3),
    -20px -60px 0 -8px rgba(45,27,20,0.2),
    60px 120px 0 -6px rgba(45,27,20,0.25);
  pointer-events:none;
}

.hero-image img {
  width:100%;
  height:100%;
  object-fit:cover;
  opacity:0.88;
}

@keyframes heroFloat {
  0%, 100% { transform:translateY(0) rotate(0deg); }
  50% { transform:translateY(-18px) rotate(2deg); }
}

/* 按钮 */
.btn {
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:14px 32px;
  border-radius:50px;
  font-weight:600;
  font-size:0.95rem;
  cursor:pointer;
  border:none;
  text-decoration:none;
  transition:all 0.3s cubic-bezier(0.22,1,0.36,1);
}

.btn-primary {
  background:linear-gradient(135deg, var(--coral), var(--coral-light));
  color:#fff;
  box-shadow:0 6px 24px rgba(255,93,93,0.3);
}

.btn-primary:hover {
  transform:translateY(-2px) scale(1.02);
  box-shadow:0 12px 32px rgba(255,93,93,0.42);
}

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

.btn-outline:hover {
  background:var(--coral);
  color:#fff;
  transform:translateY(-2px);
  box-shadow:0 8px 24px rgba(255,93,93,0.25);
}

/* 标签/标题 */
.section-label {
  display:inline-flex;
  align-items:center;
  gap:12px;
  font-size:0.8rem;
  font-weight:700;
  letter-spacing:3px;
  text-transform:uppercase;
  color:var(--coral);
  margin-bottom:16px;
}

.section-label::before {
  content:'';
  width:28px;
  height:3px;
  background:linear-gradient(90deg, var(--coral), var(--honey));
  border-radius:3px;
}

.section-title {
  font-size:clamp(2rem, 4vw, 2.8rem);
  font-weight:900;
  margin-bottom:16px;
  letter-spacing:-0.02em;
  line-height:1.2;
  color:var(--ink);
}

.section-desc {
  max-width:600px;
  opacity:0.72;
  margin-bottom:44px;
  font-size:1.05rem;
  line-height:1.7;
}

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

.category-card {
  border-radius:24px;
  padding:32px 28px;
  background:#fff;
  border:1px solid rgba(255,93,93,0.08);
  transition:all 0.35s cubic-bezier(0.22,1,0.36,1);
  position:relative;
  overflow:hidden;
}

.category-card::before {
  content:'';
  position:absolute;
  top:0; right:0; bottom:0; left:0;
  background:radial-gradient(circle at 100% 0%, rgba(255,201,77,0.12), transparent 50%);
  opacity:0;
  transition:opacity 0.35s ease;
}

.category-card:hover {
  transform:translateY(-8px);
  box-shadow:0 16px 48px rgba(255,93,93,0.14);
  border-color:rgba(255,93,93,0.18);
}

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

.card-icon {
  width:52px;
  height:52px;
  border-radius:16px;
  display:flex;
  align-items:center;
  justify-content:center;
  margin-bottom:20px;
  font-size:1.5rem;
  background:linear-gradient(135deg, var(--coral), var(--honey));
  color:#fff;
  box-shadow:0 4px 16px rgba(255,93,93,0.3);
  transition:transform 0.35s cubic-bezier(0.22,1,0.36,1);
}

.category-card:hover .card-icon {
  transform:scale(1.1) rotate(-6deg);
}

.card-link {
  font-weight:700;
  font-size:0.88rem;
  text-decoration:none;
  color:var(--coral);
  display:inline-flex;
  align-items:center;
  gap:6px;
  margin-top:12px;
  transition:gap 0.3s ease;
}

.card-link:hover { gap:10px; }

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

.feature-image {
  border-radius:58% 42% 55% 45% / 42% 58% 38% 62%;
  overflow:hidden;
  background:linear-gradient(135deg, var(--mint), var(--mint-light) 55%, var(--honey));
  box-shadow:0 24px 70px rgba(61,214,140,0.2);
  animation:featureFloat 7s ease-in-out infinite;
  min-height:320px;
}

.feature-image img {
  width:100%;
  height:100%;
  object-fit:cover;
  opacity:0.9;
}

@keyframes featureFloat {
  0%, 100% { transform:translateY(0) rotate(0deg); }
  50% { transform:translateY(-12px) rotate(-1.5deg); }
}

.feature-text { position:relative; }

.feature-text .section-title { margin-bottom:20px; }

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

.feature-list li {
  padding:10px 0;
  display:flex;
  align-items:center;
  gap:12px;
  font-size:1rem;
  border-bottom:1px dashed rgba(45,27,20,0.08);
}

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

.feature-list li::before {
  content:'✓';
  font-weight:800;
  color:#fff;
  background:var(--mint);
  width:22px; height:22px;
  border-radius:50%;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:0.75rem;
  flex-shrink:0;
  box-shadow:0 2px 8px rgba(61,214,140,0.3);
}

/* 数据条 */
.stats-bar {
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:28px;
  text-align:center;
}

.stat-item {
  padding:32px 20px;
  border-radius:24px;
  border:1px solid rgba(255,93,93,0.08);
  background:#fff;
  transition:all 0.3s cubic-bezier(0.22,1,0.36,1);
}

.stat-item:hover {
  transform:translateY(-4px);
  box-shadow:var(--shadow-coral);
  border-color:rgba(255,93,93,0.2);
}

.stat-number {
  font-size:3rem;
  font-weight:900;
  letter-spacing:-0.03em;
  background:linear-gradient(135deg, var(--coral), var(--honey));
  -webkit-background-clip:text;
  -webkit-text-fill-color:transparent;
  background-clip:text;
  line-height:1.1;
}

.stat-label {
  font-size:0.92rem;
  opacity:0.62;
  margin-top:10px;
  font-weight:500;
}

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

.content-wall-item {
  border-radius:24px;
  overflow:hidden;
  background:#fff;
  border:1px solid rgba(255,93,93,0.08);
  transition:all 0.35s cubic-bezier(0.22,1,0.36,1);
  position:relative;
}

.content-wall-item:hover {
  transform:translateY(-8px);
  box-shadow:0 16px 48px rgba(255,93,93,0.15);
  border-color:rgba(255,93,93,0.15);
}

.content-wall-item img {
  width:100%;
  height:200px;
  object-fit:cover;
  transition:transform 0.5s cubic-bezier(0.22,1,0.36,1);
}

.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;
  line-height:1.4;
}

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

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

.faq-item {
  border:1px solid rgba(255,93,93,0.1);
  border-radius:18px;
  margin-bottom:10px;
  overflow:hidden;
  cursor:pointer;
  background:#fff;
  transition:box-shadow 0.3s ease, border-color 0.3s ease;
}

.faq-item:hover {
  border-color:rgba(255,93,93,0.25);
  box-shadow:0 4px 20px rgba(45,27,20,0.04);
}

.faq-item .faq-question {
  padding:18px 22px;
  font-weight:700;
  font-size:0.98rem;
  display:flex;
  justify-content:space-between;
  align-items:center;
  color:var(--ink);
}

.faq-item .faq-question::after {
  content:'+';
  font-size:1.4rem;
  color:var(--coral);
  font-weight:400;
  transition:transform 0.35s cubic-bezier(0.22,1,0.36,1);
}

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

.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:fadeIn 0.4s ease;
}

@keyframes fadeIn {
  from { opacity:0; transform:translateY(-8px); }
  to { opacity:0.7; transform:translateY(0); }
}

/* CTA横幅 */
.cta-banner {
  padding:72px 48px;
  text-align:center;
  border-radius:36px;
  background:
    radial-gradient(circle at 20% 20%, rgba(255,255,255,0.25), transparent 45%),
    radial-gradient(circle at 80% 80%, rgba(255,201,77,0.4), transparent 50%),
    linear-gradient(135deg, var(--coral) 0%, var(--coral-light) 55%, #FFAD5D 100%);
  color:#fff;
  position:relative;
  overflow:hidden;
  box-shadow:0 24px 70px rgba(255,93,93,0.3);
}

.cta-banner::before {
  content:'';
  position:absolute;
  width:180px; height:180px;
  border-radius:50%;
  background:rgba(255,255,255,0.12);
  top:-60px; right:-40px;
}

.cta-banner::after {
  content:'';
  position:absolute;
  width:120px; height:120px;
  border-radius:50%;
  background:rgba(255,255,255,0.08);
  bottom:-40px; left:-30px;
}

.cta-banner h2 {
  color:#fff;
  font-size:clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight:900;
  margin-bottom:14px;
  position:relative;
  z-index:1;
}

.cta-banner p {
  color:rgba(255,255,255,0.8);
  max-width:480px;
  margin:0 auto 32px;
  position:relative;
  z-index:1;
}

.cta-banner .btn-primary {
  background:#fff;
  color:var(--coral);
  box-shadow:0 6px 24px rgba(0,0,0,0.12);
  position:relative;
  z-index:1;
}

.cta-banner .btn-primary:hover {
  transform:translateY(-2px) scale(1.02);
  box-shadow:0 12px 32px rgba(0,0,0,0.18);
}

/* 页脚 */
.site-footer {
  padding:64px 0 28px;
  background:var(--sand);
  border-top:2px solid rgba(255,93,93,0.06);
  position:relative;
  overflow:hidden;
}

.site-footer::before {
  content:'';
  position:absolute;
  bottom:0; right:10%;
  width:240px; height:240px;
  border-radius:50%;
  background:radial-gradient(circle, rgba(255,93,93,0.06), transparent 60%);
  pointer-events:none;
}

.footer-grid {
  display:grid;
  grid-template-columns:2fr 1fr 1fr 1fr;
  gap:48px;
  position:relative;
  z-index:1;
}

.footer-brand {
  font-weight:800;
  font-size:1.3rem;
  color:var(--ink);
  display:flex;
  align-items:center;
  gap:10px;
  margin-bottom:14px;
}

.footer-brand .logo-icon {
  width:36px; height:36px;
  font-size:0.95rem;
}

.footer-brand + p {
  font-size:0.88rem;
  opacity:0.6;
  max-width:260px;
  line-height:1.7;
}

.footer-col h4 {
  font-size:0.95rem;
  font-weight:700;
  color:var(--ink);
  margin-bottom:16px;
  letter-spacing:0.02em;
}

.footer-col a {
  display:block;
  padding:5px 0;
  font-size:0.88rem;
  color:rgba(45,27,20,0.65);
  text-decoration:none;
  transition:all 0.25s ease;
}

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

.footer-bottom {
  border-top:1px solid rgba(45,27,20,0.08);
  margin-top:48px;
  padding-top:24px;
  text-align:center;
  font-size:0.85rem;
  color:rgba(45,27,20,0.45);
  position:relative;
  z-index:1;
}

/* 工具类 */
.text-accent {
  color:var(--coral);
}

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

.seo-description {
  max-width:600px;
  margin:0 auto 48px;
  opacity:0.72;
  color:var(--ink);
  font-size:1.02rem;
  line-height:1.7;
}

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

/* ⚠️ 响应式 */
@media (max-width: 1024px) {
  .hero {
    flex-direction:column;
    text-align:center;
    padding:120px 24px 60px;
    gap:48px;
  }

  .hero-content {
    max-width:620px;
    margin:0 auto;
  }

  .hero p,
  .hero-buttons { margin-left:auto; margin-right:auto; }

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

  .hero-image {
    width:380px;
    height:340px;
  }

  .feature-block {
    gap:40px;
  }
}

@media (max-width: 768px) {
  .feature-block {
    grid-template-columns:1fr;
    gap:40px;
  }

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

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

  .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(--cream);
    padding:24px;
    padding-top:8px;
    border-bottom:1px solid rgba(255,93,93,0.1);
    box-shadow:0 16px 40px rgba(45,27,20,0.08);
    animation:dropdown 0.3s ease;
    gap:4px;
  }

  .main-nav.open a {
    padding:12px 16px;
    border-radius:14px;
    font-size:0.95rem;
    width:100%;
  }

  .main-nav.open a:hover {
    background:rgba(255,93,93,0.06);
  }

  .main-nav.open .nav-cta {
    margin-top:8px;
    text-align:center;
  }

  @keyframes dropdown {
    from { opacity:0; transform:translateY(-12px); }
    to { opacity:1; transform:translateY(0); }
  }

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

  .hero-image {
    width:300px;
    height:270px;
  }

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

  .section {
    padding:60px 0;
  }

  .feature-image {
    min-height:260px;
  }
}

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

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

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

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

  .hero {
    padding-top:100px;
  }

  .hero-image {
    width:240px;
    height:220px;
  }

  .stat-number {
    font-size:2.4rem;
  }

  .cta-banner {
    padding:40px 20px;
    border-radius:28px;
  }

  .section-title {
    font-size:1.8rem;
  }
}