/* ========================================
   草原你好官网样式
   主色：#3E8E7E（草原绿）
   辅助：#F5F0EB（奶白） / #FFCC00（油菜花黄）
   ======================================== */

:root {
  --color-primary: #3E8E7E;
  --color-primary-dark: #2F7567;
  --color-primary-light: #E8F4F1;
  --color-accent: #FFCC00;
  --color-cream: #F5F0EB;
  --color-white: #FFFFFF;
  --color-text: #1A1A1A;
  --color-text-secondary: #666666;
  --color-text-muted: #999999;
  --color-border: rgba(0, 0, 0, 0.08);
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
  --shadow-md: 0 8px 24px rgba(0,0,0,0.08);
  --shadow-lg: 0 16px 48px rgba(0,0,0,0.12);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 32px;
  --container: 1200px;
  --header-height: 72px;
  --transition: all 0.3s ease;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 20px);
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif;
  color: var(--color-text);
  line-height: 1.7;
  background: var(--color-white);
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 100px 0;
}

.section-light {
  background: var(--color-white);
}

.section-green {
  background: var(--color-primary);
  color: var(--color-white);
}

.section-cream {
  background: var(--color-cream);
}

/* 顶部公告条 */
.topbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1001;
  background: var(--color-primary-dark);
  color: var(--color-white);
  text-align: center;
  padding: 8px 16px;
  font-size: 13px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  transition: var(--transition);
}

.topbar.hidden {
  transform: translateY(-100%);
}

.topbar-close {
  font-size: 18px;
  line-height: 1;
  opacity: 0.8;
  transition: opacity 0.2s;
}

.topbar-close:hover {
  opacity: 1;
}

/* 导航 */
.site-header {
  position: fixed;
  top: 36px;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: var(--transition);
}

.site-header.scrolled {
  top: 0;
  box-shadow: var(--shadow-sm);
  border-bottom-color: var(--color-border);
}

.navbar {
  height: var(--header-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.logo-cn {
  font-size: 20px;
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: 1px;
}

.logo-en {
  font-size: 10px;
  font-weight: 500;
  color: var(--color-text-muted);
  letter-spacing: 1.5px;
}

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

.nav-menu a {
  font-size: 15px;
  font-weight: 500;
  color: var(--color-text);
  position: relative;
  padding: 8px 0;
  transition: color 0.2s;
}

.nav-menu a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-primary);
  transition: width 0.3s;
}

.nav-menu a:hover {
  color: var(--color-primary);
}

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

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text);
  transition: var(--transition);
}

/* 按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: 100px;
  font-size: 15px;
  font-weight: 600;
  transition: var(--transition);
  border: 2px solid transparent;
}

.btn-primary {
  background: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
}

.btn-primary:hover {
  background: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-outline {
  background: transparent;
  color: var(--color-white);
  border-color: rgba(255,255,255,0.6);
}

.btn-outline:hover {
  background: rgba(255,255,255,0.1);
  border-color: var(--color-white);
}

.section-light .btn-outline,
.section-cream .btn-outline {
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.section-light .btn-outline:hover,
.section-cream .btn-outline:hover {
  background: var(--color-primary-light);
}

.btn-lg {
  padding: 16px 36px;
  font-size: 16px;
}

.btn-sm {
  padding: 8px 20px;
  font-size: 14px;
}

/* Hero */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding-top: calc(var(--header-height) + 36px);
}

.hero-media {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  animation: heroZoom 20s ease-in-out infinite alternate;
}

@keyframes heroZoom {
  from { transform: scale(1); }
  to { transform: scale(1.08); }
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(31, 76, 68, 0.72) 0%,
    rgba(31, 76, 68, 0.45) 50%,
    rgba(31, 76, 68, 0.25) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 1;
  color: var(--color-white);
  text-align: center;
  padding: 40px 24px;
}

.hero-tag {
  display: inline-block;
  padding: 8px 20px;
  background: rgba(255,255,255,0.15);
  border: 1px solid rgba(255,255,255,0.25);
  border-radius: 100px;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 2px;
  margin-bottom: 24px;
  backdrop-filter: blur(4px);
}

.hero-title {
  font-size: clamp(40px, 8vw, 80px);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 24px;
  letter-spacing: 2px;
}

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

.hero-desc {
  font-size: clamp(16px, 2.4vw, 22px);
  line-height: 1.8;
  max-width: 680px;
  margin: 0 auto 40px;
  opacity: 0.95;
}

.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 60px;
}

.trust-bar {
  display: flex;
  justify-content: center;
  gap: 48px;
  flex-wrap: wrap;
  padding: 28px 40px;
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: var(--radius-xl);
  backdrop-filter: blur(8px);
  max-width: 800px;
  margin: 0 auto;
}

.trust-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}

.trust-item strong {
  font-size: 24px;
  font-weight: 800;
}

.trust-item span {
  font-size: 13px;
  opacity: 0.9;
}

/* 通用 Section Header */
.section-header {
  max-width: 760px;
  margin-bottom: 64px;
}

.section-header-center {
  text-align: center;
  margin-left: auto;
  margin-right: auto;
}

.section-label {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: 16px;
}

.section-green .section-label,
.section-green h2,
.section-green p {
  color: var(--color-white);
}

.section-green .section-header p {
  color: rgba(255, 255, 255, 0.9);
}

.section-header h2 {
  font-size: clamp(28px, 4.5vw, 44px);
  font-weight: 800;
  line-height: 1.25;
  margin-bottom: 20px;
}

.section-header p {
  font-size: 17px;
  color: var(--color-text-secondary);
  line-height: 1.8;
}

.section-green .section-header p {
  opacity: 0.9;
}

/* 品牌故事 */
.story-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.story-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: var(--transition);
}

.story-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}

.story-img {
  aspect-ratio: 4 / 3;
  overflow: hidden;
}

.story-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s;
}

.story-card:hover .story-img img {
  transform: scale(1.08);
}

.story-body {
  padding: 28px;
}

.story-body h3 {
  font-size: 20px;
  margin-bottom: 12px;
  color: var(--color-primary);
}

.story-body p {
  font-size: 15px;
  color: var(--color-text-secondary);
  line-height: 1.7;
}

/* 核心优势 */
.advantages-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.advantage-card {
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  text-align: center;
  transition: var(--transition);
  backdrop-filter: blur(4px);
}

.advantage-card:hover {
  background: rgba(255,255,255,0.18);
  transform: translateY(-6px);
}

.adv-icon {
  font-size: 48px;
  margin-bottom: 20px;
}

.advantage-card h3 {
  font-size: 22px;
  margin-bottom: 12px;
}

.advantage-card p {
  font-size: 15px;
  opacity: 0.9;
  line-height: 1.7;
}

/* 产品系列 */
.products-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
}

.product-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
  transition: var(--transition);
}

.product-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-md);
}

.product-img {
  aspect-ratio: 1 / 1;
  background: var(--color-cream);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.product-img img {
  max-height: 100%;
  max-width: 100%;
  object-fit: contain;
  transition: transform 0.5s;
}

.product-card:hover .product-img img {
  transform: scale(1.05);
}

.product-body {
  padding: 24px;
}

.product-tag {
  display: inline-block;
  padding: 4px 12px;
  background: var(--color-primary-light);
  color: var(--color-primary);
  font-size: 12px;
  font-weight: 700;
  border-radius: 100px;
  margin-bottom: 12px;
}

.product-body h3 {
  font-size: 20px;
  margin-bottom: 10px;
}

.product-body p {
  font-size: 14px;
  color: var(--color-text-secondary);
  margin-bottom: 20px;
  line-height: 1.6;
}

/* 门店网络 */
.stores-layout {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 48px;
  align-items: center;
}

.store-types {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.store-type {
  padding: 24px 28px;
  background: var(--color-white);
  border-radius: var(--radius-md);
  border: 2px solid transparent;
  cursor: pointer;
  transition: var(--transition);
}

.store-type:hover,
.store-type.active {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
}

.store-type h3 {
  font-size: 20px;
  margin-bottom: 6px;
  color: var(--color-text);
}

.store-type p {
  font-size: 14px;
  color: var(--color-text-secondary);
}

.store-visual {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.store-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* 内容中心 */
.video-section {
  margin-bottom: 56px;
}

.video-poster {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  cursor: pointer;
  aspect-ratio: 16 / 9;
}

.video-poster img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.video-poster::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.25);
  transition: background 0.3s;
}

.video-poster:hover::after {
  background: rgba(0,0,0,0.15);
}

.play-btn {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 2;
  width: 80px;
  height: 80px;
  background: var(--color-white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  color: var(--color-primary);
  box-shadow: var(--shadow-lg);
  transition: var(--transition);
}

.play-btn:hover {
  transform: translate(-50%, -50%) scale(1.1);
  background: var(--color-accent);
}

.video-caption {
  position: absolute;
  bottom: 24px;
  left: 28px;
  z-index: 2;
  color: var(--color-white);
  font-size: 20px;
  font-weight: 700;
  text-shadow: 0 2px 8px rgba(0,0,0,0.3);
}

.content-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-bottom: 48px;
}

.content-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
  transition: var(--transition);
}

.content-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
}

.content-img {
  aspect-ratio: 16 / 10;
  overflow: hidden;
}

.content-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s;
}

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

.content-body {
  padding: 24px;
}

.content-meta {
  font-size: 12px;
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: 1px;
  margin-bottom: 10px;
  display: block;
}

.content-body h3 {
  font-size: 18px;
  margin-bottom: 12px;
  line-height: 1.4;
}

.content-body p {
  font-size: 14px;
  color: var(--color-text-secondary);
  line-height: 1.7;
  margin-bottom: 16px;
}

.link-arrow {
  font-size: 14px;
  font-weight: 700;
  color: var(--color-primary);
  transition: gap 0.2s;
}

.link-arrow:hover {
  text-decoration: underline;
}

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

.content-cta p {
  color: var(--color-text-secondary);
  margin-bottom: 16px;
}

/* 招商加盟 */
.franchise-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-bottom: 48px;
}

.franchise-card {
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  text-align: center;
  transition: var(--transition);
}

.franchise-card:hover {
  background: rgba(255,255,255,0.2);
  transform: translateY(-6px);
}

.franchise-card h3 {
  font-size: 24px;
  margin-bottom: 16px;
}

.franchise-card p {
  opacity: 0.9;
  line-height: 1.7;
}

.franchise-steps {
  max-width: 700px;
  margin: 0 auto 48px;
  background: rgba(255,255,255,0.1);
  border-radius: var(--radius-lg);
  padding: 40px;
}

.franchise-steps h3 {
  text-align: center;
  font-size: 24px;
  margin-bottom: 32px;
}

.franchise-steps ol {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  list-style: none;
  counter-reset: step;
}

.franchise-steps li {
  position: relative;
  padding-left: 56px;
}

.franchise-steps li::before {
  counter-increment: step;
  content: counter(step);
  position: absolute;
  left: 0;
  top: 0;
  width: 36px;
  height: 36px;
  background: var(--color-accent);
  color: var(--color-text);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
}

.franchise-steps li strong {
  display: block;
  margin-bottom: 4px;
  font-size: 16px;
}

.franchise-steps li span {
  opacity: 0.85;
  font-size: 14px;
}

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

/* 理念条（合作板块顶部） */
.franchise-principles {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 14px 12px;
  margin: -4px 0 44px;
}

.franchise-principles span {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 0.5px;
}

.franchise-principles span + span::before {
  content: "·";
  font-size: 24px;
  line-height: 1;
  color: var(--color-accent);
  font-weight: 900;
}

/* 358 合伙人成长面板 */
.franchise-growth {
  max-width: 780px;
  margin: 0 auto 48px;
  text-align: center;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: var(--radius-lg);
  padding: 34px 40px;
}

.franchise-growth h3 {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  font-size: 24px;
  margin-bottom: 14px;
}

.growth-tag {
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 1px;
  color: var(--color-text);
  background: var(--color-accent);
  padding: 5px 14px;
  border-radius: 999px;
}

.franchise-growth p {
  opacity: 0.92;
  line-height: 1.8;
}

/* 第 5 张合作卡（3 列布局下居中于第二行） */
.franchise-card:nth-child(5) {
  grid-column: 2 / 3;
}

/* CTA：小程序待上线标注 */
.franchise-cta .wait-line {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 10px 12px;
  margin-bottom: 20px;
  opacity: 0.95;
}

.franchise-cta .wait-line .wait-badge {
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 1px;
  color: var(--color-text);
  background: var(--color-accent);
  padding: 5px 16px;
  border-radius: 999px;
}

.franchise-cta a.btn {
  text-decoration: none;
}

/* 小程序弹窗：待上线说明 */
.modal-wait {
  color: var(--color-text-secondary);
  margin-bottom: 18px;
}

.modal-wait strong {
  color: var(--color-primary-dark);
}

/* 联系我们 */
.contact-layout {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 64px;
  align-items: center;
}

.contact-info h2 {
  font-size: clamp(28px, 4vw, 40px);
  margin-bottom: 20px;
}

.contact-info > p {
  color: var(--color-text-secondary);
  margin-bottom: 36px;
  font-size: 16px;
}

.contact-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.contact-list li {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.contact-list strong {
  font-size: 13px;
  color: var(--color-primary);
  letter-spacing: 1px;
}

.contact-list span {
  font-size: 16px;
}

.qrcode-box {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 32px;
  text-align: center;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-border);
  cursor: pointer;
  transition: var(--transition);
}

.qrcode-box:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.qrcode-placeholder {
  width: 200px;
  height: 200px;
  margin: 0 auto 16px;
  background: var(--color-cream);
  border: 2px dashed var(--color-border);
  border-radius: var(--radius-md);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  gap: 8px;
}

.qrcode-placeholder span {
  font-size: 18px;
  font-weight: 700;
}

.qrcode-placeholder small {
  font-size: 12px;
}

.qrcode-box > p {
  font-weight: 600;
  color: var(--color-text);
}

/* 页脚 */
.site-footer {
  background: #1A3D36;
  color: rgba(255,255,255,0.85);
  padding: 72px 0 32px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr repeat(3, 1fr);
  gap: 48px;
  margin-bottom: 48px;
}

.footer-brand strong {
  display: block;
  font-size: 24px;
  color: var(--color-white);
}

.footer-brand span {
  font-size: 12px;
  letter-spacing: 2px;
  color: var(--color-accent);
}

.footer-brand p {
  margin-top: 12px;
  opacity: 0.8;
}

.footer-links h4 {
  font-size: 14px;
  color: var(--color-white);
  margin-bottom: 20px;
  letter-spacing: 1px;
}

.footer-links a {
  display: block;
  padding: 6px 0;
  opacity: 0.75;
  transition: opacity 0.2s;
}

.footer-links a:hover {
  opacity: 1;
  color: var(--color-accent);
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 24px;
  text-align: center;
  font-size: 13px;
  opacity: 0.7;
  line-height: 1.8;
}

.footer-bottom p {
  margin-bottom: 6px;
}

.footer-beian a {
  color: inherit;
  text-decoration: none;
  transition: color .2s ease;
}

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

.beian-sep {
  margin: 0 8px;
  opacity: 0.5;
}

/* 弹窗 */
.modal {
  position: fixed;
  inset: 0;
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s, visibility 0.3s;
}

.modal.active {
  opacity: 1;
  visibility: visible;
}

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.6);
  backdrop-filter: blur(4px);
}

.modal-content {
  position: relative;
  z-index: 1;
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 40px;
  max-width: 420px;
  width: 90%;
  text-align: center;
  box-shadow: var(--shadow-lg);
  transform: translateY(20px);
  transition: transform 0.3s;
}

.modal.active .modal-content {
  transform: translateY(0);
}

.modal-close {
  position: absolute;
  top: 16px;
  right: 20px;
  font-size: 28px;
  color: var(--color-text-muted);
  line-height: 1;
}

.modal-close:hover {
  color: var(--color-text);
}

.modal-content h3 {
  font-size: 22px;
  margin-bottom: 12px;
}

.modal-content > p {
  color: var(--color-text-secondary);
  font-size: 14px;
  margin-bottom: 24px;
}

.modal-qrcode {
  margin: 0 auto 16px;
  width: 200px;
  height: 200px;
}

.modal-tip {
  font-size: 13px;
  color: var(--color-text-muted);
}

.modal-video {
  max-width: 800px;
}

.video-embed {
  aspect-ratio: 16 / 9;
  background: #111;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  color: var(--color-white);
  padding: 24px;
}

.video-embed p {
  margin-bottom: 8px;
}

/* 滚动动画 */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* 响应式 */
@media (max-width: 1024px) {
  .products-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .advantages-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .story-grid,
  .content-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .stores-layout {
    grid-template-columns: 1fr;
  }
  
  .contact-layout,
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  :root {
    --header-height: 64px;
  }
  
  .section {
    padding: 72px 0;
  }
  
  .topbar {
    font-size: 12px;
  }
  
  .site-header {
    top: 32px;
  }
  
  .nav-toggle {
    display: flex;
  }
  
  .nav-menu {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--color-white);
    flex-direction: column;
    align-items: flex-start;
    padding: 32px 24px;
    gap: 8px;
    transform: translateX(100%);
    transition: transform 0.3s ease;
    box-shadow: var(--shadow-lg);
  }
  
  .nav-menu.active {
    transform: translateX(0);
  }
  
  .nav-menu li {
    width: 100%;
  }
  
  .nav-menu a {
    display: block;
    padding: 16px 0;
    font-size: 18px;
    border-bottom: 1px solid var(--color-border);
  }
  
  .nav-mini {
    margin-top: 16px;
  }
  
  .hero {
    min-height: auto;
    padding: 140px 0 80px;
  }
  
  .hero-title {
    font-size: 40px;
  }
  
  .hero-actions {
    flex-direction: column;
    width: 100%;
    max-width: 320px;
    margin: 0 auto 48px;
  }
  
  .hero-actions .btn {
    width: 100%;
  }
  
  .trust-bar {
    gap: 20px;
    padding: 20px;
  }
  
  .trust-item strong {
    font-size: 18px;
  }
  
  .trust-item span {
    font-size: 11px;
  }
  
  .story-grid,
  .advantages-grid,
  .products-grid,
  .content-grid {
    grid-template-columns: 1fr;
  }
  
  .franchise-grid {
    grid-template-columns: 1fr;
  }

  .franchise-card:nth-child(5) {
    grid-column: auto;
  }
  
  .franchise-steps ol {
    grid-template-columns: 1fr;
  }
  
  .contact-layout,
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  
  .footer-grid {
    text-align: center;
  }
}

/* 无障碍：减少动画 */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}