:root {
  --c-primary: #FF5A4E;
  --c-primary-light: #FF8A80;
  --c-primary-bg: #FFE8E0;
  --c-secondary: #3DBA6D;
  --c-secondary-dark: #1E7A45;
  --c-secondary-bg: #D9F2E2;
  --c-accent: #FFB830;
  --c-bg-main: #FFF9F3;
  --c-bg-alt: #ECF7F0;
  --c-text: #2B1B1D;
  --c-text-light: #6B5A55;
  --c-border: #F0E0D6;
  --c-shadow: rgba(43,27,29,0.06);
  --radius-main: 22px;
  --radius-pop: 22px 22px 22px 6px;
  --shadow-soft: 0 8px 24px var(--c-shadow);
  --shadow-pop: 0 16px 40px rgba(255,90,78,0.13);
  --shadow-green: 0 12px 32px rgba(61,186,109,0.15);
  --font-sans: system-ui, 'PingFang SC', 'Microsoft YaHei', sans-serif;
}

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

html { scroll-behavior:smooth; }

body {
  font-family:var(--font-sans);
  overflow-x:hidden;
  background:var(--c-bg-main);
  color:var(--c-text);
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
}

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

::-webkit-scrollbar { width:9px; }
::-webkit-scrollbar-track { background:var(--c-bg-main); }
::-webkit-scrollbar-thumb { background:linear-gradient(180deg, var(--c-primary-light), var(--c-primary)); border-radius:6px; }

/* ===== 核心布局 ===== */
.container { max-width:1200px; margin:0 auto; padding:0 24px; }

.section { padding:80px 0; position:relative; overflow:hidden; }
.section > * { position:relative; z-index:1; }
.section:nth-child(even) { background:var(--c-bg-alt); }
.section:nth-child(even)::before {
  content:'';
  position:absolute;
  left:-40px;
  bottom:-40px;
  width:180px;
  height:180px;
  border-radius:50%;
  background:radial-gradient(circle, rgba(61,186,109,0.07) 0%, transparent 65%);
  pointer-events:none;
  z-index:0;
}
.section::after {
  content:'';
  position:absolute;
  right:16px;
  top:24px;
  width:76px;
  height:76px;
  background:
    radial-gradient(circle at 30% 30%, rgba(255,90,78,0.05) 6px, transparent 7px),
    radial-gradient(circle at 70% 60%, rgba(255,184,48,0.05) 5px, transparent 6px);
  background-size:32px 32px;
  pointer-events:none;
  z-index:0;
}

/* ===== 导航 ===== */
.site-header {
  position:fixed;
  top:0; left:0;
  width:100%;
  z-index:1000;
  background:rgba(255,249,243,0.92);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:2px solid var(--c-border);
  transition:box-shadow 0.3s ease;
}
.site-header:hover { box-shadow:0 8px 30px rgba(43,27,29,0.04); }

.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:900;
  font-size:1.3rem;
  text-decoration:none;
  color:var(--c-text);
  letter-spacing:-0.5px;
  transition:opacity 0.2s;
}
.logo:hover { opacity:0.85; }

.logo-icon {
  width:40px;
  height:40px;
  border-radius:14px 14px 14px 5px;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:1.2rem;
  background:linear-gradient(135deg, var(--c-primary) 0%, var(--c-accent) 100%);
  color:#fff;
  box-shadow:0 5px 16px rgba(255,90,78,0.3);
}

.main-nav {
  display:flex;
  align-items:center;
  gap:30px;
  list-style:none;
}

.main-nav a {
  text-decoration:none;
  font-size:0.92rem;
  font-weight:600;
  color:var(--c-text);
  position:relative;
  transition:color 0.25s;
}
.main-nav a::after {
  content:'';
  position:absolute;
  left:0;
  bottom:-5px;
  width:0;
  height:3px;
  border-radius:3px;
  background:linear-gradient(90deg, var(--c-primary), var(--c-accent));
  transition:width 0.3s ease;
}
.main-nav a:hover { color:var(--c-primary); }
.main-nav a:hover::after { width:100%; }

.nav-cta {
  padding:10px 24px;
  border-radius:50px;
  color:#fff!important;
  font-weight:700;
  font-size:0.9rem;
  background:linear-gradient(135deg, var(--c-primary) 0%, var(--c-primary-light) 100%);
  box-shadow:0 5px 18px rgba(255,90,78,0.3);
  transition:all 0.3s ease;
  position:relative;
  overflow:hidden;
}
.nav-cta::before {
  content:'🔥';
  margin-right:6px;
  filter:drop-shadow(0 2px 4px rgba(0,0,0,0.1));
}
.nav-cta::after { display:none; }
.nav-cta:hover {
  transform:translateY(-2px) scale(1.03);
  box-shadow:0 10px 26px rgba(255,90,78,0.4);
  color:#fff!important;
}
.nav-cta:hover::after { width:0; }

.menu-toggle {
  display:none;
  width:42px;
  height:42px;
  border-radius:14px;
  background:var(--c-secondary-bg);
  border:2px solid var(--c-secondary);
  font-size:1.1rem;
  cursor:pointer;
  align-items:center;
  justify-content:center;
  color:var(--c-secondary-dark);
  transition:all 0.2s;
}
.menu-toggle:hover { background:var(--c-secondary); color:#fff; }

/* ===== Hero ===== */
.hero {
  min-height:86vh;
  display:flex;
  align-items:center;
  gap:48px;
  padding:130px 0 70px;
  position:relative;
  overflow:hidden;
  background:
    radial-gradient(circle at 85% 20%, var(--c-primary-bg) 0%, transparent 45%),
    radial-gradient(circle at 90% 80%, var(--c-secondary-bg) 0%, transparent 40%),
    var(--c-bg-main);
}
.hero::before {
  content:'🍉';
  position:absolute;
  right:7%;
  top:20%;
  font-size:9rem;
  transform:rotate(-14deg);
  filter:drop-shadow(0 18px 30px rgba(255,90,78,0.22));
  animation:hero-float 7s ease-in-out infinite;
  z-index:0;
  opacity:0.9;
}
.hero::after {
  content:'';
  position:absolute;
  right:-80px;
  top:0;
  width:420px;
  height:420px;
  border-radius:50%;
  background:radial-gradient(circle, rgba(255,184,48,0.12) 0%, rgba(255,232,224,0.2) 50%, transparent 70%);
  pointer-events:none;
  z-index:0;
}
@keyframes hero-float {
  0%, 100% { transform:translateY(0) rotate(-14deg) scale(1); }
  50% { transform:translateY(-22px) rotate(-8deg) scale(1.04); }
}

.hero-content {
  max-width:680px;
  position:relative;
  z-index:1;
  flex:1;
}

.hero-eyebrow {
  display:inline-block;
  font-size:0.82rem;
  font-weight:800;
  letter-spacing:1px;
  padding:7px 18px;
  border-radius:50px;
  margin-bottom:20px;
  background:var(--c-secondary-bg);
  color:var(--c-secondary-dark);
  border:2px dashed var(--c-secondary);
  animation:eyebrow-pulse 2.4s ease-in-out infinite;
}
@keyframes eyebrow-pulse {
  0%, 100% { transform:scale(1); }
  50% { transform:scale(1.035); }
}

.hero h1 {
  font-size:clamp(2.5rem, 5.4vw, 3.6rem);
  line-height:1.12;
  margin-bottom:22px;
  font-weight:900;
  letter-spacing:-2px;
  color:var(--c-text);
  position:relative;
  padding-bottom:18px;
}
.hero h1::after {
  content:'';
  position:absolute;
  left:0;
  bottom:0;
  width:190px;
  height:9px;
  border-radius:6px;
  background:repeating-linear-gradient(90deg, var(--c-primary) 0 7px, transparent 7px 13px);
  animation:underline-grow 1s ease both;
}
@keyframes underline-grow {
  from { width:0; }
  to { width:190px; }
}

.hero p {
  font-size:1.1rem;
  opacity:0.72;
  max-width:540px;
  margin-bottom:36px;
  line-height:1.7;
}

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

.hero-image {
  flex:0 1 420px;
  min-width:0;
  border-radius:30px 30px 30px 10px;
  overflow:hidden;
  border:4px solid #fff;
  box-shadow:0 28px 70px rgba(255,90,78,0.16);
  position:relative;
  z-index:1;
  transform:rotate(1.5deg);
}
.hero-image img { width:100%; height:auto; display:block; }

/* ===== 按钮 ===== */
.btn {
  display:inline-flex;
  align-items:center;
  gap:9px;
  padding:14px 30px;
  border-radius:50px;
  font-weight:700;
  font-size:0.95rem;
  cursor:pointer;
  border:none;
  text-decoration:none;
  transition:all 0.25s ease;
  font-family:var(--font-sans);
}
.btn-primary {
  color:#fff;
  background:linear-gradient(135deg, var(--c-primary) 0%, var(--c-primary-light) 100%);
  box-shadow:0 8px 24px rgba(255,90,78,0.3);
}
.btn-primary:hover {
  transform:translateY(-2px);
  box-shadow:0 14px 34px rgba(255,90,78,0.42);
}
.btn-outline {
  background:transparent;
  border:2px dashed var(--c-secondary);
  color:var(--c-secondary-dark);
  box-shadow:inset 0 0 0 0 rgba(61,186,109,0.08);
}
.btn-outline:hover {
  background:var(--c-secondary);
  border-style:solid;
  color:#fff;
  transform:translateY(-2px);
  box-shadow:0 10px 26px rgba(61,186,109,0.35);
}

/* ===== 标签/标题 ===== */
.section-label {
  display:inline-block;
  font-size:0.76rem;
  font-weight:800;
  letter-spacing:2.5px;
  text-transform:uppercase;
  padding:6px 16px;
  border-radius:50px;
  margin-bottom:14px;
  background:var(--c-primary-bg);
  color:var(--c-primary);
}
.section:nth-child(even) .section-label {
  background:var(--c-secondary-bg);
  color:var(--c-secondary-dark);
}
.section-label::before { content:'🍉'; margin-right:6px; font-size:0.8rem; }
.section:nth-child(even) .section-label::before { content:'🍃'; }

.section-title {
  font-size:clamp(1.8rem, 3.4vw, 2.4rem);
  line-height:1.2;
  margin-bottom:14px;
  font-weight:900;
  letter-spacing:-1px;
  color:var(--c-text);
}
.section-desc {
  max-width:600px;
  opacity:0.7;
  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:26px;
}
.category-card {
  border-radius:var(--radius-pop);
  padding:30px 28px;
  background:#fff;
  border:2px solid var(--c-border);
  transition:all 0.28s ease;
  position:relative;
  overflow:hidden;
}
.category-card::before {
  content:'';
  position:absolute;
  top:-40px;
  right:-40px;
  width:90px;
  height:90px;
  border-radius:50%;
  background:radial-gradient(circle, var(--c-primary-bg) 0%, transparent 70%);
  opacity:0;
  transition:opacity 0.3s ease;
}
.category-card:hover {
  transform:translateY(-5px) rotate(-0.8deg);
  box-shadow:var(--shadow-pop);
  border-color:var(--c-primary-light);
}
.category-card:hover::before { opacity:1; }
.category-card:hover .card-icon {
  animation:icon-pop 0.4s cubic-bezier(0.68, -0.55, 0.27, 1.55);
}
@keyframes icon-pop {
  0% { transform:scale(1); }
  40% { transform:scale(1.22) rotate(6deg); }
  100% { transform:scale(1); }
}

.card-icon {
  width:54px;
  height:54px;
  border-radius:18px 18px 18px 5px;
  display:flex;
  align-items:center;
  justify-content:center;
  margin-bottom:18px;
  font-size:1.45rem;
  background:linear-gradient(135deg, var(--c-secondary-bg), #fff);
  box-shadow:0 3px 10px rgba(61,186,109,0.08);
}
.category-card:hover .card-icon {
  background:linear-gradient(135deg, var(--c-primary-bg), #fff);
}

.category-card h3 {
  font-size:1.1rem;
  font-weight:800;
  margin-bottom:10px;
  color:var(--c-text);
}
.category-card p {
  font-size:0.88rem;
  opacity:0.62;
  margin-bottom:16px;
  line-height:1.6;
}

.card-link {
  font-weight:700;
  font-size:0.85rem;
  text-decoration:none;
  color:var(--c-primary);
  display:inline-flex;
  align-items:center;
  gap:4px;
  transition:gap 0.2s ease;
}
.card-link::after { content:'→'; transition:transform 0.25s ease; font-size:1rem; }
.card-link:hover { gap:8px; }
.card-link:hover::after { transform:translateX(3px); }

.section:nth-child(even) .card-link { color:var(--c-secondary-dark); }

/* ===== 特性块 ===== */
.feature-block {
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:60px;
  align-items:center;
}
.feature-image {
  border-radius:var(--radius-pop);
  overflow:hidden;
  border:4px solid #fff;
  box-shadow:var(--shadow-soft);
  transform:rotate(-1.2deg);
}
.feature-image img { width:100%; height:auto; display:block; }
.feature-text { }

.feature-text h3 {
  font-size:1.4rem;
  font-weight:800;
  margin-bottom:12px;
  letter-spacing:-0.3px;
}
.feature-text p {
  opacity:0.7;
  line-height:1.7;
  margin-bottom:20px;
  font-size:0.98rem;
}

.feature-list {
  list-style:none;
  margin-top:16px;
}
.feature-list li {
  padding:8px 0;
  display:flex;
  align-items:center;
  gap:12px;
  font-weight:600;
  font-size:0.98rem;
}
.feature-list li::before {
  content:'✓';
  font-weight:900;
  color:var(--c-secondary-dark);
  background:var(--c-secondary-bg);
  width:24px;
  height:24px;
  border-radius:50%;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-size:0.75rem;
  flex-shrink:0;
}

/* ===== 数据条 ===== */
.stats-bar {
  display:grid;
  grid-template-columns:repeat(4, 1fr);
  gap:24px;
  text-align:center;
}
.stat-item {
  padding:30px 20px;
  border-radius:var(--radius-pop);
  background:#fff;
  border:2px solid var(--c-border);
  transition:all 0.25s ease;
  position:relative;
}
.stat-item:hover {
  transform:scale(1.04) rotate(-1deg);
  box-shadow:var(--shadow-green);
  border-color:var(--c-secondary);
}
.stat-number {
  font-size:2.6rem;
  font-weight:900;
  color:var(--c-primary);
  letter-spacing:-1.5px;
  line-height:1.1;
  font-variant-numeric:tabular-nums;
}
.section:nth-child(even) .stat-number { color:var(--c-secondary-dark); }
.stat-label {
  font-size:0.9rem;
  opacity:0.62;
  margin-top:8px;
  font-weight:500;
  color:var(--c-text);
}

/* ===== 内容墙 ===== */
.content-wall {
  display:grid;
  grid-template-columns:repeat(auto-fill, minmax(280px, 1fr));
  gap:26px;
}
.content-wall-item {
  border-radius:var(--radius-pop);
  overflow:hidden;
  background:#fff;
  border:2px solid var(--c-border);
  transition:all 0.28s ease;
}
.content-wall-item:hover {
  transform:translateY(-5px);
  box-shadow:var(--shadow-pop);
  border-color:var(--c-primary-light);
}
.content-wall-item img {
  width:100%;
  height:200px;
  object-fit:cover;
  transition:transform 0.4s ease;
  display:block;
}
.content-wall-item:hover img { transform:scale(1.05); }
.content-wall-body { padding:22px 22px 24px; }

.content-wall-body h3 {
  font-size:1.02rem;
  font-weight:800;
  line-height:1.4;
  margin-bottom:8px;
  color:var(--c-text);
}
.content-wall-body p {
  font-size:0.88rem;
  opacity:0.62;
  line-height:1.6;
  margin-bottom:14px;
}
.content-wall-tag {
  display:inline-block;
  font-size:0.72rem;
  font-weight:800;
  letter-spacing:0.5px;
  padding:4px 13px;
  border-radius:50px;
  background:var(--c-secondary-bg);
  color:var(--c-secondary-dark);
  text-transform:uppercase;
}
.content-wall-item:hover .content-wall-tag {
  background:var(--c-primary-bg);
  color:var(--c-primary);
}

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

.faq-item {
  border:2px solid var(--c-border);
  border-radius:18px 18px 18px 5px;
  margin-bottom:10px;
  overflow:hidden;
  cursor:pointer;
  background:#fff;
  transition:all 0.25s ease;
}
.faq-item:hover { border-color:var(--c-secondary); }
.faq-item.open {
  border-color:var(--c-secondary);
  background:linear-gradient(135deg, #FBFEFC, #fff);
  box-shadow:var(--shadow-green);
}
.faq-item .faq-question {
  padding:19px 24px;
  font-weight:700;
  display:flex;
  justify-content:space-between;
  align-items:center;
  font-size:1.02rem;
  color:var(--c-text);
}
.faq-item .faq-question::after {
  content:'+';
  font-size:1.4rem;
  color:var(--c-primary);
  font-weight:400;
  transition:transform 0.3s cubic-bezier(0.68, -0.55, 0.27, 1.55);
  flex-shrink:0;
  margin-left:12px;
}
.faq-item.open .faq-question::after { transform:rotate(45deg) scale(1.1); }
.faq-item .faq-answer {
  padding:0 24px 20px;
  display:none;
  opacity:0.72;
  font-size:0.96rem;
  line-height:1.7;
  border-top:0;
}
.faq-item.open .faq-answer { display:block; }

/* ===== CTA横幅 ===== */
.cta-banner {
  padding:64px 32px;
  text-align:center;
  border-radius:32px 32px 32px 10px;
  color:#fff;
  background:linear-gradient(135deg, var(--c-primary) 0%, var(--c-primary-light) 55%, var(--c-accent) 140%);
  position:relative;
  overflow:hidden;
  box-shadow:0 24px 60px rgba(255,90,78,0.3);
}
.cta-banner::before {
  content:'';
  position:absolute;
  top:-50px;
  right:-50px;
  width:200px;
  height:200px;
  background:
    radial-gradient(circle at 50% 50%, rgba(255,255,255,0.13) 7px, transparent 8px);
  background-size:28px 28px;
  border-radius:50%;
  pointer-events:none;
}
.cta-banner::after {
  content:'🍉🔥';
  position:absolute;
  bottom:12px;
  left:26px;
  font-size:2.6rem;
  opacity:0.25;
  transform:rotate(-15deg);
  pointer-events:none;
}
.cta-banner h2 {
  color:#fff;
  font-size:2.2rem;
  font-weight:900;
  margin-bottom:12px;
  letter-spacing:-1px;
  position:relative;
  z-index:1;
  text-shadow:0 3px 14px rgba(0,0,0,0.08);
}
.cta-banner p {
  color:rgba(255,255,255,0.9);
  max-width:440px;
  margin:0 auto 28px;
  font-size:1.02rem;
  line-height:1.7;
  position:relative;
  z-index:1;
}
.cta-banner .btn-primary {
  background:#fff;
  color:var(--c-primary);
  box-shadow:0 10px 26px rgba(255,255,255,0.28);
  position:relative;
  z-index:1;
  font-weight:800;
  padding:15px 36px;
}
.cta-banner .btn-primary:hover {
  transform:translateY(-3px) scale(1.04);
  box-shadow:0 16px 36px rgba(255,255,255,0.4);
  background:#FFFDF9;
}

/* ===== 页脚 ===== */
.site-footer {
  padding:60px 0 26px;
  background:var(--c-bg-alt);
  border-top:5px solid var(--c-secondary);
  position:relative;
}
.site-footer::before {
  content:'';
  position:absolute;
  top:-4px;
  left:0;
  right:0;
  height:4px;
  background:repeating-linear-gradient(90deg, var(--c-primary) 0 14px, var(--c-accent) 14px 28px);
  opacity:0.7;
}
.site-footer .container { position:relative; }

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

.footer-brand .logo { margin-bottom:14px; }
.footer-brand p {
  font-size:0.9rem;
  opacity:0.68;
  max-width:300px;
  line-height:1.7;
  margin-top:8px;
}
.footer-brand .logo-icon {
  width:38px;
  height:38px;
  font-size:1rem;
}

.footer-col h4 {
  font-size:0.88rem;
  font-weight:800;
  margin-bottom:18px;
  color:var(--c-secondary-dark);
  text-transform:uppercase;
  letter-spacing:1.5px;
}
.footer-col a {
  display:block;
  color:var(--c-text-light);
  text-decoration:none;
  font-size:0.9rem;
  padding:5px 0;
  opacity:0.75;
  transition:all 0.2s ease;
}
.footer-col a:hover {
  opacity:1;
  color:var(--c-primary);
  transform:translateX(3px);
}

.footer-bottom {
  border-top:2px dashed rgba(61,186,109,0.28);
  margin-top:44px;
  padding-top:22px;
  text-align:center;
  font-size:0.85rem;
  color:var(--c-text-light);
  opacity:0.8;
}

/* ===== 工具类 ===== */
.text-accent {
  color:var(--c-primary);
  font-weight:800;
}
.section:nth-child(even) .text-accent { color:var(--c-secondary-dark); }

.text-center { text-align:center; }
.seo-description {
  max-width:600px;
  margin:0 auto 48px;
  opacity:0.7;
  line-height:1.7;
}
.mt-0 { margin-top:0; }
.mb-0 { margin-bottom:0; }

/* ===== 响应式 ===== */
@media (max-width: 768px) {
  .feature-block { grid-template-columns:1fr; gap:36px; }
  .stats-bar { grid-template-columns:repeat(2, 1fr); }
  .footer-grid { grid-template-columns:1fr 1fr; gap:36px; }
  .main-nav {
    display:none;
    position:absolute;
    top:72px;
    left:0;
    width:100%;
    background:var(--c-bg-main);
    padding:26px 24px;
    gap:6px;
    flex-direction:column;
    align-items:flex-start;
    border-bottom:2px solid var(--c-border);
    box-shadow:0 20px 44px rgba(43,27,29,0.1);
  }
  .main-nav.open { display:flex; }
  .main-nav li { width:100%; }
  .main-nav li a {
    display:block;
    padding:11px 4px;
    font-size:1rem;
  }
  .main-nav li a.nav-cta {
    margin-top:12px;
    padding:13px 22px;
    display:inline-flex;
    width:auto;
  }
  .menu-toggle { display:flex; }
  .hero {
    flex-direction:column;
    gap:40px;
    min-height:auto;
    padding-top:100px;
    padding-bottom:60px;
  }
  .hero-content { max-width:100%; }
  .hero h1 { font-size:2.4rem; }
  .hero-image { flex-basis:auto; width:100%; transform:none; }
  .hero::before {
    font-size:6rem;
    top:6%;
    right:4%;
    opacity:0.5;
  }
  .section { padding:60px 0; }
  .cta-banner { padding:44px 24px; }
  .cta-banner h2 { font-size:1.7rem; }
}

@media (max-width: 480px) {
  .cards-grid,
  .content-wall,
  .stats-bar { grid-template-columns:1fr; }
  .footer-grid { grid-template-columns:1fr; gap:30px; }
  .hero-buttons { flex-direction:column; }
  .hero-buttons .btn { width:100%; justify-content:center; }
  .hero h1 { font-size:1.95rem; }
  .section-title { font-size:1.7rem; }
  .hero-eyebrow { font-size:0.75rem; padding:6px 14px; }
  .stat-number { font-size:2.1rem; }
  .container { padding:0 20px; }
  .cta-banner h2 { font-size:1.4rem; }
  .cta-banner p { font-size:0.9rem; }
}