/* =========================================================
   风车动漫官网 — 设计系统
   "纸艺风车 · 旋转的动漫世界"
   配色: 奶油白 / 活力橙 / 薄荷绿 / 暖阳黄
   风格: 圆角纸艺 + 旋转几何 + 柔和层叠阴影
   ========================================================= */

/* 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: #FDF7F0;
  color: #2D3436;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

::selection {
  background: #FF6B35;
  color: #fff;
}

/* =========================================================
   核心布局
   ========================================================= */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 2;
}

.section {
  padding: 100px 0;
  position: relative;
}

.section:nth-child(even) {
  background: linear-gradient(180deg, #FDF7F0 0%, #F0F9F7 50%, #FDF7F0 100%);
}

/* 风车旋转背景装饰 */
.section::before {
  content: '✦';
  position: absolute;
  right: 3%;
  top: 60px;
  font-size: 2rem;
  opacity: 0.08;
  transform: rotate(0deg);
  animation: spinSlow 20s linear infinite;
  color: #FF6B35;
  pointer-events: none;
}

@keyframes spinSlow {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

/* =========================================================
   导航 — 固定顶部
   ========================================================= */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(253, 247, 240, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255, 107, 53, 0.12);
  transition: box-shadow 0.3s ease;
}

.site-header:hover {
  box-shadow: 0 4px 30px rgba(255, 107, 53, 0.06);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
  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: #2D3436;
  letter-spacing: -0.5px;
  position: relative;
}

.logo-icon {
  width: 40px;
  height: 40px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  background: linear-gradient(135deg, #FF9A5C, #FF6B35);
  color: #fff;
  box-shadow: 0 4px 12px rgba(255, 107, 53, 0.3);
  position: relative;
  overflow: hidden;
}

/* 风车logo旋转叶子 */
.logo-icon::before {
  content: '';
  position: absolute;
  width: 6px;
  height: 6px;
  background: #fff;
  border-radius: 50%;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 2;
}

.logo-icon::after {
  content: '';
  position: absolute;
  width: 30px;
  height: 10px;
  background: rgba(255,255,255,0.5);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  animation: spinSlow 6s linear infinite;
}

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

.main-nav a {
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  color: #4A5568;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  padding: 4px 0;
}

.main-nav a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, #FF6B35, #FFD166);
  border-radius: 2px;
  transition: width 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.main-nav a:hover {
  color: #FF6B35;
}

.nav-cta {
  padding: 10px 24px !important;
  border-radius: 12px !important;
  color: #fff !important;
  font-weight: 700 !important;
  background: linear-gradient(135deg, #FF6B35, #FF9A5C);
  box-shadow: 0 4px 14px rgba(255, 107, 53, 0.35);
  border: none !important;
  transition: all 0.3s ease !important;
}

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

.nav-cta:hover {
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 6px 22px rgba(255, 107, 53, 0.45);
}

.menu-toggle {
  display: none;
  background: #FF6B35;
  border: none;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  color: #fff;
  cursor: pointer;
  font-size: 1.1rem;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px rgba(255, 107, 53, 0.3);
  z-index: 1001;
}

/* =========================================================
   Hero 区域
   ========================================================= */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  background:
    radial-gradient(ellipse at 15% 25%, rgba(255, 209, 102, 0.25) 0%, transparent 55%),
    radial-gradient(ellipse at 85% 75%, rgba(46, 196, 182, 0.18) 0%, transparent 55%),
    radial-gradient(ellipse at 75% 20%, rgba(255, 107, 53, 0.1) 0%, transparent 40%),
    linear-gradient(160deg, #FFF8F0 0%, #FDF7F0 50%, #F2FAF7 100%);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  width: 360px;
  height: 360px;
  border-radius: 50%;
  border: 3px dashed rgba(255, 107, 53, 0.18);
  top: 15%;
  right: -60px;
  animation: spinSlow 40s linear infinite;
}

.hero::after {
  content: '';
  position: absolute;
  width: 180px;
  height: 180px;
  border-radius: 50%;
  border: 2px dashed rgba(46, 196, 182, 0.25);
  bottom: 10%;
  left: 5%;
  animation: spinSlow 30s linear infinite;
}

.hero-content {
  max-width: 780px;
  position: relative;
  z-index: 2;
  animation: fadeUp 0.8s ease both;
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
  font-weight: 700;
  padding: 6px 18px;
  border-radius: 24px;
  margin-bottom: 20px;
  background: linear-gradient(135deg, rgba(255, 107, 53, 0.1), rgba(255, 209, 102, 0.15));
  color: #FF6B35;
  border: 1px solid rgba(255, 107, 53, 0.2);
  letter-spacing: 0.6px;
}

.hero-eyebrow::before {
  content: '✦';
  font-size: 0.8rem;
  animation: spinSlow 8s linear infinite;
  display: inline-block;
}

.hero h1 {
  font-size: clamp(2.4rem, 6vw, 4.2rem);
  line-height: 1.15;
  margin-bottom: 22px;
  font-weight: 900;
  letter-spacing: -1.5px;
  color: #1A1A2E;
  position: relative;
}

.hero h1 span {
  color: #FF6B35;
  position: relative;
  display: inline-block;
}

.hero h1 span::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 0;
  width: 100%;
  height: 10px;
  background: rgba(255, 209, 102, 0.35);
  border-radius: 4px;
  z-index: -1;
}

.hero p {
  font-size: clamp(1rem, 1.4vw, 1.15rem);
  opacity: 0.75;
  max-width: 580px;
  margin-bottom: 36px;
  line-height: 1.8;
  color: #3D3D3D;
}

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

/* 风车装饰组 */
.hero-windmill-group {
  position: absolute;
  right: 6%;
  bottom: 12%;
  z-index: 1;
  pointer-events: none;
}

.hero-windmill-group::before {
  content: '●';
  position: absolute;
  font-size: 1.5rem;
  top: -30px;
  left: -20px;
  color: rgba(255, 209, 102, 0.5);
  animation: spinSlow 5s linear infinite;
}

/* =========================================================
   按钮
   ========================================================= */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 30px;
  border-radius: 14px;
  font-weight: 700;
  font-size: 0.9rem;
  cursor: pointer;
  border: none;
  text-decoration: none;
  transition: all 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
  letter-spacing: 0.3px;
}

.btn-primary {
  color: #fff;
  background: linear-gradient(135deg, #FF6B35, #FF8C42);
  box-shadow: 0 6px 20px rgba(255, 107, 53, 0.4);
}

.btn-primary:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 10px 32px rgba(255, 107, 53, 0.5);
}

.btn-outline {
  background: transparent;
  border: 2px solid #FF6B35;
  color: #FF6B35;
  box-shadow: none;
}

.btn-outline:hover {
  background: rgba(255, 107, 53, 0.06);
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(255, 107, 53, 0.12);
}

/* =========================================================
   标签/标题
   ========================================================= */
.section-label {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 3px;
  margin-bottom: 14px;
  text-transform: uppercase;
  color: #FF6B35;
  background: rgba(255, 107, 53, 0.08);
  padding: 4px 16px;
  border-radius: 20px;
}

.section-title {
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  margin-bottom: 16px;
  font-weight: 900;
  letter-spacing: -0.8px;
  color: #1A1A2E;
  position: relative;
  display: inline-block;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 44px;
  height: 4px;
  background: linear-gradient(90deg, #FF6B35, #2EC4B6);
  border-radius: 4px;
}

.section-desc {
  max-width: 640px;
  opacity: 0.7;
  margin-bottom: 48px;
  font-size: 1rem;
  line-height: 1.8;
}

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

.category-card {
  border-radius: 20px;
  padding: 32px 28px;
  border: 1px solid rgba(0, 0, 0, 0.04);
  background: #FFFFFF;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.03);
  transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
  position: relative;
  overflow: hidden;
}

.category-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, #FF6B35, #FFD166, #2EC4B6);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s ease;
}

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

.category-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 40px rgba(255, 107, 53, 0.1);
}

.card-icon {
  width: 56px;
  height: 56px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  font-size: 1.5rem;
  background: linear-gradient(135deg, #FFF3E6, #FFE8D6);
  color: #FF6B35;
  box-shadow: 0 4px 12px rgba(255, 107, 53, 0.08);
  transition: transform 0.4s ease;
}

.category-card:hover .card-icon {
  transform: rotate(-8deg) scale(1.05);
}

.card-link {
  font-weight: 700;
  font-size: 0.9rem;
  text-decoration: none;
  color: #FF6B35;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  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: 24px;
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(255, 107, 53, 0.08);
  position: relative;
  transition: transform 0.5s ease, box-shadow 0.5s ease;
}

.feature-image::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 60%, rgba(255, 107, 53, 0.1));
  z-index: 1;
}

.feature-image img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform 0.6s ease;
}

.feature-image:hover img {
  transform: scale(1.03);
}

.feature-text h3 {
  font-size: 1.6rem;
  font-weight: 800;
  margin-bottom: 18px;
  color: #1A1A2E;
}

.feature-text p {
  opacity: 0.75;
  margin-bottom: 24px;
  line-height: 1.8;
}

.feature-list {
  list-style: none;
  margin-top: 8px;
}

.feature-list li {
  padding: 10px 0;
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 500;
  color: #3D3D3D;
}

.feature-list li::before {
  content: '✓';
  font-weight: 800;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: linear-gradient(135deg, #2EC4B6, #A8E6D6);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  flex-shrink: 0;
}

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

.stat-item {
  padding: 36px 20px;
  border-radius: 20px;
  background: #FFFFFF;
  border: 1px solid rgba(0, 0, 0, 0.04);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.03);
  transition: all 0.4s ease;
  position: relative;
  overflow: hidden;
}

.stat-item::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 50%;
  transform: translateX(-50%) scaleX(0);
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, #FF6B35, #FFD166);
  border-radius: 3px;
  transition: transform 0.4s ease;
}

.stat-item:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(255, 107, 53, 0.1);
}

.stat-item:hover::after {
  transform: translateX(-50%) scaleX(1);
}

.stat-number {
  font-size: clamp(2rem, 3vw, 2.6rem);
  font-weight: 900;
  background: linear-gradient(120deg, #FF6B35, #FF9A5C);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -1px;
}

.stat-label {
  font-size: 0.9rem;
  opacity: 0.6;
  margin-top: 8px;
  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: 20px;
  overflow: hidden;
  background: #fff;
  border: 1px solid rgba(0, 0, 0, 0.04);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.02);
  transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.content-wall-item:hover {
  transform: translateY(-6px) rotate(0.5deg);
  box-shadow: 0 20px 40px rgba(255, 107, 53, 0.12);
}

.content-wall-item img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  transition: transform 0.5s ease;
}

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

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

.content-wall-body h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: #1A1A2E;
}

.content-wall-body p {
  font-size: 0.85rem;
  opacity: 0.6;
  line-height: 1.7;
}

/* =========================================================
   FAQ
   ========================================================= */
.faq-list {
  max-width: 820px;
  margin: 0 auto;
}

.faq-item {
  background: #FFFFFF;
  border: 1px solid rgba(0, 0, 0, 0.04);
  border-radius: 16px;
  margin-bottom: 12px;
  overflow: hidden;
  cursor: pointer;
  transition: all 0.4s ease;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.02);
}

.faq-item:hover {
  border-color: rgba(255, 107, 53, 0.15);
  box-shadow: 0 6px 16px rgba(255, 107, 53, 0.06);
}

.faq-item .faq-question {
  padding: 20px 24px;
  font-weight: 700;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 1rem;
  color: #2D3436;
  transition: color 0.3s ease;
}

.faq-item .faq-question::after {
  content: '+';
  font-size: 1.4rem;
  color: #FF6B35;
  transition: transform 0.4s ease;
  font-weight: 400;
  line-height: 1;
}

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

.faq-item .faq-answer {
  padding: 0 24px 22px;
  display: none;
  opacity: 0.7;
  font-size: 0.92rem;
  line-height: 1.75;
}

.faq-item.open {
  border-color: rgba(255, 107, 53, 0.2);
}

.faq-item.open .faq-answer {
  display: block;
  animation: fadeIn 0.4s ease;
}

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

/* =========================================================
   CTA 横幅
   ========================================================= */
.cta-banner {
  padding: 64px 24px;
  text-align: center;
  border-radius: 28px;
  color: #fff;
  background: linear-gradient(135deg, #FF6B35, #FF8C42 60%, #FF9A5C);
  box-shadow: 0 20px 60px rgba(255, 107, 53, 0.35);
  position: relative;
  overflow: hidden;
}

.cta-banner::before {
  content: '✦';
  position: absolute;
  font-size: 4rem;
  top: 20px;
  left: 30px;
  opacity: 0.15;
  animation: spinSlow 12s linear infinite;
}

.cta-banner::after {
  content: '✧';
  position: absolute;
  font-size: 3rem;
  bottom: 20px;
  right: 40px;
  opacity: 0.15;
  animation: spinSlow 16s linear infinite reverse;
}

.cta-banner h2 {
  color: #fff;
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  margin-bottom: 12px;
  font-weight: 900;
  letter-spacing: -0.5px;
}

.cta-banner p {
  margin-bottom: 24px;
  font-size: 1rem;
  opacity: 0.9;
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
}

.cta-banner .btn {
  background: #fff;
  color: #FF6B35;
  border: none;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

.cta-banner .btn:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.18);
}

/* =========================================================
   页脚
   ========================================================= */
.site-footer {
  padding: 72px 0 28px;
  background: #FAF4EC;
  border-top: 1px solid rgba(0, 0, 0, 0.04);
  position: relative;
  overflow: hidden;
}

.site-footer::before {
  content: '';
  position: absolute;
  top: -40px;
  left: 50%;
  transform: translateX(-50%);
  width: 220px;
  height: 80px;
  background: radial-gradient(ellipse, rgba(255, 107, 53, 0.08) 0%, transparent 60%);
  border-radius: 50%;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 40px;
}

.footer-brand img {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  margin-bottom: 12px;
}

.footer-brand h3 {
  color: #1A1A2E;
  font-weight: 800;
  margin-bottom: 8px;
}

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

.footer-col h4 {
  font-weight: 700;
  font-size: 0.95rem;
  margin-bottom: 16px;
  color: #1A1A2E;
  position: relative;
  padding-bottom: 8px;
}

.footer-col h4::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 24px;
  height: 3px;
  background: linear-gradient(90deg, #FF6B35, #2EC4B6);
  border-radius: 3px;
}

.footer-col ul {
  list-style: none;
}

.footer-col ul li {
  margin-bottom: 10px;
}

.footer-col ul a {
  color: rgba(45, 52, 54, 0.7);
  text-decoration: none;
  font-size: 0.88rem;
  transition: all 0.3s ease;
}

.footer-col ul a:hover {
  color: #FF6B35;
  padding-left: 6px;
}

.footer-bottom {
  border-top: 1px solid rgba(0, 0, 0, 0.06);
  margin-top: 32px;
  padding-top: 24px;
  text-align: center;
  font-size: 0.82rem;
  opacity: 0.55;
  color: #4A5568;
}

/* =========================================================
   工具类
   ========================================================= */
.text-accent {
  color: #FF6B35;
  font-weight: 700;
}

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

.seo-description {
  max-width: 620px;
  margin: 0 auto 48px;
  opacity: 0.7;
  font-size: 1rem;
  line-height: 1.8;
}

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

/* 风车旋转图组 */
.windmill-spin {
  display: inline-block;
  animation: spinSlow 8s linear infinite;
}

/* =========================================================
   响应式
   ========================================================= */
@media (max-width: 992px) {
  .hero {
    min-height: 90vh;
  }

  .feature-block {
    gap: 40px;
  }

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

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

@media (max-width: 768px) {
  .section {
    padding: 72px 0;
  }

  .feature-block {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .feature-text {
    order: 2;
  }

  .feature-image {
    order: 1;
  }

  .stats-bar {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }

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

  .main-nav {
    display: none;
  }

  .menu-toggle {
    display: flex;
  }

  .main-nav.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 76px;
    left: 0;
    width: 100%;
    background: rgba(253, 247, 240, 0.98);
    backdrop-filter: blur(20px);
    padding: 28px 24px;
    gap: 8px;
    border-bottom: 1px solid rgba(255, 107, 53, 0.1);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.08);
  }

  .main-nav.open li {
    width: 100%;
    text-align: center;
  }

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

  .main-nav.open .nav-cta {
    margin-top: 8px;
    text-align: center;
    background: linear-gradient(135deg, #FF6B35, #FF9A5C) !important;
  }

  .hero-buttons {
    flex-direction: column;
    align-items: flex-start;
  }

  .hero-windmill-group {
    display: none;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 20px;
  }

  .cards-grid,
  .content-wall,
  .stats-bar {
    grid-template-columns: 1fr;
  }

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

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

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

  .hero {
    min-height: 80vh;
  }

  .section-title {
    font-size: 1.5rem;
  }

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

  .stat-item {
    padding: 24px 12px;
  }

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

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

  .faq-item .faq-question {
    font-size: 0.9rem;
    padding: 16px 18px;
  }

  .faq-item .faq-answer {
    padding: 0 18px 18px;
    font-size: 0.85rem;
  }
}

/* =========================================================
   装饰元素 & 动画
   ========================================================= */
@keyframes floatY {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-12px) rotate(2deg); }
}

.floating {
  animation: floatY 4s ease-in-out infinite;
}

.windmill-leaf {
  display: inline-block;
  width: 22px;
  height: 22px;
  background: linear-gradient(135deg, #FF6B35, #FFD166);
  border-radius: 50% 50% 50% 50%;
  position: relative;
  margin: 0 4px;
}

.windmill-leaf:nth-child(2) {
  transform: rotate(45deg);
  background: linear-gradient(135deg, #2EC4B6, #A8E6D6);
}

.windmill-leaf:nth-child(3) {
  transform: rotate(-30deg);
  background: linear-gradient(135deg, #FFD166, #FFB35C);
}

/* 毛玻璃卡片 */
.glass-card {
  background: rgba(255, 255, 255, 0.65);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.5);
  border-radius: 20px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.04);
}

/* 分页/标签小元素 */
.pill-tag {
  display: inline-block;
  padding: 4px 14px;
  background: rgba(46, 196, 182, 0.12);
  color: #1C8C82;
  border-radius: 20px;
  font-size: 0.78rem;
  font-weight: 600;
  margin-right: 6px;
  margin-bottom: 6px;
}

/* 滚动条美化 */
::-webkit-scrollbar {
  width: 10px;
}

::-webkit-scrollbar-track {
  background: #FDF7F0;
}

::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, #FF9A5C, #FF6B35);
  border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
  background: liner-gradient(180deg, #FF6B35, #E85D1A);
}

/* 卡片入场动画 */
@keyframes cardIn {
  from { opacity: 0; transform: translateY(24px) scale(0.98); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

.cards-grid > *,
.content-wall > * {
  animation: cardIn 0.6s ease both;
}

.cards-grid > *:nth-child(2),
.content-wall > *:nth-child(2) {
  animation-delay: 0.05s;
}

.cards-grid > *:nth-child(3),
.content-wall > *:nth-child(3) {
  animation-delay: 0.1s;
}

.cards-grid > *:nth-child(4),
.content-wall > *:nth-child(4) {
  animation-delay: 0.15s;
}

/* 滚动视差效果 */
.parallax-gradient {
  background: linear-gradient(160deg, #FFF8F0, #FDF7F0 40%, #F0F9F7);
}

/* 产品中心专属卡片 */
.product-card {
  position: relative;
  border-radius: 24px;
  overflow: hidden;
  background: #fff;
  border: 1px solid rgba(0, 0, 0, 0.04);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.03);
  transition: all 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.product-card:hover {
  transform: translateY(-8px) scale(1.01);
  box-shadow: 0 24px 60px rgba(255, 107, 53, 0.12);
}

.product-card .product-image {
  height: 200px;
  overflow: hidden;
  position: relative;
}

.product-card .product-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.product-card:hover .product-image img {
  transform: scale(1.06);
}

.product-card .product-body {
  padding: 24px;
}

.product-card .product-price {
  font-weight: 800;
  color: #FF6B35;
  font-size: 1.2rem;
}

/* 联系表单风格 */
.contact-form {
  background: #fff;
  border-radius: 24px;
  padding: 40px;
  border: 1px solid rgba(0, 0, 0, 0.04);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.03);
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 14px 18px;
  border: 1.5px solid #E8E0D8;
  border-radius: 14px;
  font-family: inherit;
  font-size: 0.95rem;
  margin-bottom: 16px;
  transition: all 0.3s ease;
  background: #FAF4EC;
  outline: none;
}

.contact-form input:focus,
.contact-form textarea:focus {
  border-color: #FF6B35;
  background: #fff;
  box-shadow: 0 0 0 4px rgba(255, 107, 53, 0.08);
}