/* ===== Hero ===== */
.hero {
  background: var(--bg);
  padding-top: 64px;
  overflow: hidden;
}
.hero-container {
  max-width: 1200px; margin: 0 auto;
  padding: 80px 24px 0;
  text-align: center;
}
.hero-badge {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 13px; color: var(--primary);
  background: rgba(160,82,45,.08);
  padding: 6px 16px; border-radius: 20px;
  margin-bottom: 24px;
  border: 1px solid rgba(160,82,45,.15);
}
.hero-title {
  font-size: clamp(36px, 6vw, 68px);
  font-weight: 800;
  line-height: 1.15;
  color: var(--text-primary);
  letter-spacing: -.02em;
  margin-bottom: 16px;
}
.hero-highlight {
  color: var(--primary);
  display: block;
}
.hero-desc {
  font-size: 18px; color: var(--text-secondary);
  line-height: 1.75; margin-bottom: 36px;
}
.hero-btns {
  display: flex; align-items: center; justify-content: center;
  gap: 14px; flex-wrap: wrap;
  margin-bottom: 14px;
  position: relative; z-index: 10;
}
.hero-note { font-size: 13px; color: var(--text-muted); margin-bottom: 56px; position: relative; z-index: 1; }
/* 开始使用按钮 - 悬停显示企业微信二维码 */
.hero-start-btn {
  position: relative;
  cursor: default;
  isolation: isolate;
}
.hero-qrcode-popup {
  position: absolute;
  top: calc(100% + 12px);
  left: 50%;
  transform: translateX(-50%);
  background: #fff;
  border-radius: 10px;
  box-shadow: 0 8px 32px rgba(0,0,0,.15);
  padding: 14px 14px 10px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  opacity: 0;
  pointer-events: none;
  transition: opacity .2s;
  z-index: 1000;
  white-space: nowrap;
  isolation: isolate;
}
.hero-qrcode-popup::after {
  content: '';
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%);
  border: 7px solid transparent;
  border-bottom-color: #fff;
}
.hero-qrcode-popup img {
  display: block;
  width: 180px;
  height: auto;
  border-radius: 4px;
}
.hero-qrcode-popup .wecom-qrcode-label {
  font-size: 12px;
  color: #666;
}
.hero-start-btn:hover .hero-qrcode-popup {
  opacity: 1;
  pointer-events: auto;
}

/* Platform Preview */
.platform-preview {
  display: flex; justify-content: center;
  padding-bottom: 0;
}
.preview-window {
  width: 100%; max-width: 780px;
  background: white;
  border-radius: 16px 16px 0 0;
  box-shadow: 0 -4px 40px rgba(0,0,0,.08), 0 0 0 1px rgba(0,0,0,.06);
  overflow: hidden;
}
.window-header {
  padding: 14px 18px;
  background: #F9F9F7;
  border-bottom: 1px solid var(--border-light);
  display: flex; align-items: center; gap: 12px;
}
.window-dots { display: flex; gap: 6px; }
.dot { width: 12px; height: 12px; border-radius: 50%; }
.dot-red { background: #FF5F57; }
.dot-yellow { background: #FEBC2E; }
.dot-green { background: #28C840; }
.window-title { font-size: 13px; color: var(--text-muted); }
.window-body { padding: 24px 24px 0; }
.stats-grid {
  display: grid; grid-template-columns: repeat(3,1fr); gap: 16px;
  margin-bottom: 20px;
}
.stat-card {
  padding: 20px 16px;
  background: #FAFAF8;
  border-radius: 12px;
  border: 1px solid var(--border-light);
  text-align: center;
}
.stat-icon {
  width: 44px; height: 44px;
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 12px;
}
.stat-value { font-size: 28px; font-weight: 700; color: var(--text-primary); }
.stat-label { font-size: 13px; color: var(--text-muted); margin-top: 4px; }
.preview-bottom {
  border-top: 1px solid var(--border-light);
  padding: 12px 0;
  display: flex; align-items: center; gap: 8px;
}
.hot-badge {
  font-size: 13px; font-weight: 500;
  color: var(--primary);
  background: rgba(160,82,45,.08);
  padding: 3px 10px; border-radius: 6px;
}
.hot-text { font-size: 13px; color: var(--text-secondary); }

/* ===== Features ===== */
.features { background: var(--white); }
.features .section-container { text-align: center; }
.features .section-desc { margin: 0 auto 56px; }
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px,1fr));
  gap: 24px;
}
.feature-card {
  padding: 28px;
  border-radius: var(--radius-lg);
  border: 1.5px solid var(--border-light);
  text-align: left;
  transition: all .25s;
  background: white;
}
.feature-card:hover {
  border-color: rgba(160,82,45,.3);
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}
.feature-icon {
  width: 52px; height: 52px;
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 16px;
}
.feature-card h3 { font-size: 18px; font-weight: 600; margin-bottom: 8px; }
.feature-card p { font-size: 15px; color: var(--text-secondary); line-height: 1.65; }

/* ===== Process ===== */
.process { background: var(--bg-section); }
.process .section-container { text-align: center; }
.process .section-desc { margin: 0 auto 56px; }
.process-steps {
  display: grid;
  grid-template-columns: repeat(4,1fr);
  gap: 0;
  position: relative;
}
.process-step {
  display: flex; flex-direction: column;
  align-items: center;
  text-align: center;
  position: relative;
  padding: 0 16px;
}
.step-num {
  width: 52px; height: 52px;
  background: var(--primary);
  color: white;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 18px; font-weight: 700;
  margin-bottom: 20px;
  position: relative; z-index: 1;
}
.step-content h3 { font-size: 17px; font-weight: 600; margin-bottom: 8px; }
.step-content p { font-size: 14px; color: var(--text-secondary); line-height: 1.65; }
.step-arrow {
  position: absolute;
  top: 26px; right: -8px;
  font-size: 22px; color: var(--text-muted);
  z-index: 2;
}

/* ===== Pricing / 关于我们 ===== */
.pricing, .about { background: white; }
.pricing .section-container, .about .section-container { text-align: center; }
.pricing .section-desc, .about .section-desc { margin: 0 auto 52px; }

/* ===== Cert ===== */
.cert-row {
  display: flex;
  justify-content: center;
  align-items: flex-start;
  gap: 24px;
  margin-top: 8px;
}
.cert-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}
/* 营业执照：横版，自然宽高比 */
.cert-license {
  width: 520px;
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0,0,0,.10);
  border: 1px solid #e8e0d8;
  transition: box-shadow .25s, transform .25s;
  background: #faf8f5;
}
.cert-license img {
  width: 100%;
  height: auto;
  display: block;
}
/* 商标证：竖版，高度与营业执照对齐，宽度自适应原图比例完整显示 */
.cert-trademark {
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0,0,0,.10);
  border: 1px solid #e8e0d8;
  transition: box-shadow .25s, transform .25s;
  background: #fff;
  /* 高度锁死与营业执照一致，宽度按原图比例(约3:4)自动撑开 */
  height: 364px;
  width: auto;
}
.cert-trademark img {
  height: 100%;
  width: auto;
  display: block;
}
.cert-license:hover,
.cert-trademark:hover {
  box-shadow: 0 8px 32px rgba(0,0,0,.16);
  transform: translateY(-3px);
}
.cert-label {
  font-size: 13px;
  color: var(--text-secondary);
  font-weight: 500;
  letter-spacing: .02em;
}
@media (max-width: 700px) {
  .cert-row { flex-direction: column; align-items: center; }
  .cert-license { width: min(520px, 92vw); }
  .cert-trademark { height: auto; width: min(280px, 75vw); }
  .cert-trademark img { height: auto; width: 100%; }
}



.pricing-card {
  padding: 32px 28px;
  border-radius: var(--radius-lg);
  border: 1.5px solid var(--border);
  text-align: left;
  position: relative;
  transition: all .25s;
}
.pricing-card:hover { box-shadow: var(--shadow-md); }
.pricing-card-featured {
  border-color: var(--primary);
  background: var(--primary-bg);
  box-shadow: 0 4px 24px rgba(160,82,45,.15);
}
.plan-badge {
  display: inline-block;
  font-size: 12px; font-weight: 600;
  color: white;
  background: var(--primary);
  padding: 3px 10px; border-radius: 20px;
  margin-bottom: 12px;
}
.plan-name { font-size: 16px; font-weight: 600; color: var(--text-secondary); margin-bottom: 8px; }
.plan-price {
  font-size: 40px; font-weight: 800; color: var(--text-primary);
  line-height: 1; margin-bottom: 8px;
}
.plan-price span { font-size: 16px; font-weight: 400; color: var(--text-muted); }
.plan-desc { font-size: 14px; color: var(--text-secondary); margin-bottom: 24px; }
.plan-features { margin-bottom: 28px; }
.plan-features li {
  font-size: 14px; color: var(--text-primary);
  padding: 7px 0;
  border-bottom: 1px solid var(--border-light);
}
.plan-features li:last-child { border-bottom: none; }
.plan-features li.disabled { color: var(--text-muted); }
.plan-btn {
  display: block; text-align: center;
  padding: 12px 24px; border-radius: 10px;
  font-size: 15px; font-weight: 600;
  transition: all .2s;
}
.plan-btn-primary {
  background: var(--primary); color: white;
  box-shadow: 0 4px 12px rgba(160,82,45,.3);
}
.plan-btn-primary:hover { background: var(--primary-dark); transform: translateY(-1px); }
.plan-btn-outline { border: 1.5px solid var(--border); color: var(--text-primary); }
.plan-btn-outline:hover { border-color: var(--primary); color: var(--primary); background: var(--primary-bg); }

/* ===== Own Products / 投模研发 ===== */
.own-products, .mold-rd { background: white; }
.own-products .section-container, .mold-rd .section-container { text-align: center; }
.own-products .section-desc, .mold-rd .section-desc { margin: 0 auto 48px; }
.own-products-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  text-align: left;
}
.own-product-card {
  border-radius: 16px;
  border: 1.5px solid var(--border-light);
  overflow: visible;

  background: #fff;
  box-shadow: 0 2px 12px rgba(0,0,0,.06);
  transition: box-shadow .25s, transform .25s;
}
.own-product-card:hover {
  box-shadow: 0 8px 32px rgba(160,82,45,.12);
  transform: translateY(-3px);
}
.own-product-img-wrap {
  position: relative;
  width: 100%; aspect-ratio: 16/10; overflow: hidden;
  background: #f4f4f4;
  border-radius: 14px 14px 0 0;
}
.own-product-img-wrap img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform .4s;
}
.own-product-card:hover .own-product-img-wrap img { transform: scale(1.04); }
.own-product-badge {
  position: absolute; top: 12px; left: 12px;
  background: var(--primary); color: white;
  font-size: 11px; font-weight: 700;
  padding: 3px 10px; border-radius: 20px;
  letter-spacing: .04em;
}
.own-product-info {
  padding: 20px 24px 24px;
  border-radius: 0 0 14px 14px;
  background: #fff;
}
.own-product-info h3 {
  font-size: 17px; font-weight: 700;
  color: var(--text-primary); margin-bottom: 4px;
}
.own-product-sub {
  font-size: 12px; color: var(--primary);
  font-weight: 600; margin-bottom: 10px;
}
.own-product-desc {
  font-size: 13px; color: var(--text-secondary);
  line-height: 1.7; margin-bottom: 14px;
}
.own-product-tags {
  display: flex; flex-wrap: wrap; gap: 6px;
  margin-bottom: 18px;
}
.own-product-tags span {
  font-size: 11px; padding: 3px 10px;
  border-radius: 20px;
  background: rgba(160,82,45,.08);
  color: var(--primary); font-weight: 600;
  border: 1px solid rgba(160,82,45,.15);
}
.own-product-btn {
  position: relative; display: inline-flex;
  align-items: center; gap: 6px;
  font-size: 13px; padding: 8px 20px;
  cursor: pointer;
}
.own-product-btn .hero-qrcode-popup {
  top: calc(100% + 10px); bottom: auto;
  left: 50%; transform: translateX(-50%);
}
.own-product-btn:hover .hero-qrcode-popup {
  opacity: 1;
  pointer-events: auto;
}

@media (max-width: 768px) {
  .own-products-grid { grid-template-columns: 1fr; }
}

/* ===== Own Brands / 客户案例 ===== */
.own-brands, .cases { background: #faf9f7; }
.own-brands .section-container, .cases .section-container { text-align: center; }
.own-brands .section-desc, .cases .section-desc { margin: 0 auto 48px; }
.own-brand-card .own-brand-logo-wrap {
  position: relative;
  width: 100%;
  aspect-ratio: 16/10;
  overflow: hidden;
  background: #f4f4f4;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 14px 14px 0 0;
}
.own-brand-card .own-brand-logo-wrap img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  transition: transform .4s;
}
.own-brand-card:hover .own-brand-logo-wrap img { transform: scale(1.04); }

/* ===== FAQ ===== */
.faq { background: var(--bg-section); }
.faq .section-container { text-align: center; }
.faq-list {
  max-width: 720px; margin: 48px auto 0;
  text-align: left;
}
.faq-item {
  border-bottom: 1px solid var(--border);
}
.faq-question {
  display: flex; align-items: center; justify-content: space-between;
  width: 100%; padding: 20px 0;
  font-size: 16px; font-weight: 500;
  color: var(--text-primary);
  text-align: left;
  gap: 16px;
}
.faq-question:hover { color: var(--primary); }
.faq-icon { flex-shrink: 0; transition: transform .25s; }
.faq-item.open .faq-icon { transform: rotate(180deg); }
.faq-answer {
  overflow: hidden;
  max-height: 0;
  transition: max-height .3s ease, padding .3s ease;
}
.faq-answer p {
  padding-bottom: 20px;
  font-size: 15px; color: var(--text-secondary); line-height: 1.7;
}
.faq-item.open .faq-answer { max-height: 300px; }

/* ===== CTA ===== */
.cta {
  background: linear-gradient(135deg, var(--primary) 0%, #8B4513 100%);
  color: white;
  text-align: center;
}
.cta .section-container { padding: 80px 24px; }
.cta h2 { font-size: 38px; font-weight: 800; margin-bottom: 12px; }
.cta p { font-size: 18px; opacity: .85; margin-bottom: 36px; }
.cta-btns { display: flex; align-items: center; justify-content: center; gap: 14px; flex-wrap: wrap; margin-bottom: 16px; position: relative; z-index: 10; }
.cta-note { font-size: 13px; opacity: .7; position: relative; z-index: 1; }
.btn-secondary-white {
  display: inline-flex; align-items: center;
  background: rgba(255,255,255,.15);
  color: white; font-size: 16px; font-weight: 500;
  padding: 14px 28px; border-radius: 10px;
  border: 1.5px solid rgba(255,255,255,.4);
  backdrop-filter: blur(4px);
}

/* ===== Footer ===== */
.footer { background: #1A1A1A; color: #aaa; }
.footer-container {
  max-width: 1200px; margin: 0 auto;
  padding: 56px 24px 40px;
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 48px;
}
.footer-brand p { font-size: 14px; line-height: 1.6; margin: 8px 0 8px; }
.footer-brand .nav-logo .logo-text { color: white; }
.footer-brand .logo-sub { color: #666; background: #2a2a2a; }
.footer-brand .logo-icon { background: var(--primary); }
.social-links { display: flex; gap: 10px; }
.social-links a {
  width: 36px; height: 36px;
  border-radius: 8px;
  background: #2a2a2a;
  display: flex; align-items: center; justify-content: center;
  color: #aaa; transition: all .2s;
}
.social-links a:hover { background: var(--primary); color: white; }

/* 企业微信悬浮二维码 */
.social-wecom {
  position: relative;
  width: 36px; height: 36px;
  border-radius: 8px;
  background: #2a2a2a;
  display: flex; align-items: center; justify-content: center;
  color: #aaa; transition: all .2s;
  cursor: default;
  flex-shrink: 0;
}
.social-wecom:hover { background: var(--primary); color: white; }
.wecom-qrcode {
  position: absolute;
  bottom: calc(100% + 10px);
  left: 50%;
  transform: translateX(-50%);
  background: #fff;
  border-radius: 10px;
  padding: 12px 12px 8px;
  box-shadow: 0 4px 20px rgba(0,0,0,.25);
  display: flex; flex-direction: column; align-items: center; gap: 6px;
  opacity: 0;
  pointer-events: none;
  transition: opacity .2s;
  z-index: 100;
  white-space: nowrap;
}
.wecom-qrcode::after {
  content: '';
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  border: 6px solid transparent;
  border-top-color: #fff;
}
.wecom-qrcode img { display: block; border-radius: 4px; width: 160px; height: auto; }
.wecom-qrcode.douyin-qrcode { padding: 12px 12px 8px; }
.wecom-qrcode.douyin-qrcode img { width: 200px !important; height: auto !important; object-fit: unset; }
.wecom-qrcode.douyin-qrcode .wecom-qrcode-label { font-size: 12px; }
.weibo-qrcode { padding: 16px 16px 12px; }
.weibo-qrcode img { width: 220px; }
.weibo-qrcode .wecom-qrcode-label { font-size: 13px; }
.wechat-qrcode { padding: 9px 9px 6px; }
.wechat-qrcode img { width: 130px; }
.wechat-qrcode .wecom-qrcode-label { font-size: 10px; }
.wecom-qrcode-label { font-size: 11px; color: #666; }
.social-wecom:hover .wecom-qrcode { opacity: 1; pointer-events: auto; }
.footer-email {
  display: inline-flex; align-items: center;
  margin-top: 8px;
  margin-bottom: 10px;
  padding: 8px 14px;
  background: #2a2a2a;
  border-radius: 8px;
  color: #aaa;
  font-size: 13px;
  text-decoration: none;
  transition: all .2s;
}
.footer-email:hover { background: var(--primary); color: white; }

.footer-links { display: grid; grid-template-columns: repeat(4,1fr); gap: 24px; }
.footer-col h4 { font-size: 14px; font-weight: 600; color: white; margin-bottom: 16px; }
.footer-col a { display: block; font-size: 14px; color: #999; padding: 4px 0; transition: color .2s; }
.footer-col a:hover { color: white; }
.footer-text { display: block; font-size: 14px; color: #999; padding: 4px 0; cursor: default; }
.footer-bottom {
  max-width: 1200px; margin: 0 auto;
  padding: 20px 24px;
  border-top: 1px solid #2a2a2a;
  display: flex; align-items: center; justify-content: space-between;
  font-size: 13px; color: #fff;
  flex-wrap: wrap; gap: 8px;
}
.footer-bottom a { color: #fff; text-decoration: none; }
.footer-bottom a:hover { text-decoration: none; }

/* ===== Responsive Home ===== */
@media (max-width: 900px) {
  .process-steps { grid-template-columns: repeat(2,1fr); }
  .step-arrow { display: none; }
  .footer-container { grid-template-columns: 1fr; gap: 32px; }
  .footer-links { grid-template-columns: repeat(2,1fr); }
}
@media (max-width: 600px) {
  /* hero */
  .hero-desc { font-size: 15px; }
  .hero-title { font-size: 32px; }
  /* stats: 保持三列，缩小内边距 */
  .stats-grid { grid-template-columns: repeat(3,1fr); gap: 8px; }
  .stat-card { padding: 12px 8px; }
  .stat-value { font-size: 20px; }
  .stat-label { font-size: 11px; }
  .stat-icon { width: 32px; height: 32px; margin-bottom: 8px; }
  /* process */
  .process-steps { grid-template-columns: 1fr; }
  /* pricing */
  .pricing-grid { grid-template-columns: 1fr; }
  /* footer links: 保持两列与PC一致的信息层级 */
  .footer-links { grid-template-columns: repeat(2,1fr); }
  /* CTA */
  .cta h2 { font-size: 26px; }
  .cta p { font-size: 15px; }
}