/* ===== 友友君 uoikun - 品牌官网样式 ===== */

:root {
  --primary: #B8E0DC;
  --primary-dark: #5BB5AB;
  --primary-deep: #3A8B83;
  --accent: #F4C0D1;
  --accent-light: #FBE0E5;
  --white: #FFFFFF;
  --text: #333333;
  --text-light: #666666;
  --text-muted: #999999;
  --bg-light: #F5FAF9;
  --border: #E8ECE9;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 2px 20px rgba(0,0,0,0.06);
  --font: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "WenQuanYi Micro Hei", sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  color: var(--text);
  line-height: 1.8;
  font-size: 15px;
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}

a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* ===== 顶部导航 ===== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  transition: all 0.3s ease;
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.nav-logo img { height: 44px; width: auto; }

.nav-logo span {
  font-size: 18px;
  font-weight: 500;
  color: var(--primary-deep);
  letter-spacing: 2px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
  list-style: none;
}

.nav-links a {
  font-size: 14px;
  color: var(--text-light);
  transition: color 0.3s;
  position: relative;
  padding: 4px 0;
}

.nav-links a:hover,
.nav-links a.active { color: var(--primary-deep); }

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

.nav-links a:hover::after,
.nav-links a.active::after { width: 100%; }

/* 移动端菜单按钮 */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
}

.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--primary-deep);
  border-radius: 2px;
  transition: all 0.3s;
}

/* ===== 首屏 Hero ===== */
.hero {
  min-height: 100vh;
  background: linear-gradient(160deg, var(--primary) 0%, #A3D4CF 50%, #8DC9C3 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  position: relative;
  overflow: hidden;
  padding-top: 64px;
}

.hero::before {
  content: "";
  position: absolute;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: rgba(255,255,255,0.05);
  top: -200px;
  right: -150px;
  animation: float 8s ease-in-out infinite;
}

.hero::after {
  content: "";
  position: absolute;
  width: 400px;
  height: 400px;
  border-radius: 50%;
  background: rgba(255,255,255,0.06);
  bottom: -100px;
  left: -100px;
  animation: float 6s ease-in-out infinite reverse;
}

@keyframes float {
  0%, 100% { transform: translateY(0) scale(1); }
  50% { transform: translateY(-20px) scale(1.05); }
}

.hero-content {
  position: relative;
  z-index: 1;
  color: var(--white);
  max-width: 700px;
}

.hero-logo-img {
  width: 150px;
  height: 150px;
  margin: 0 auto 28px;
  border-radius: 50%;
  display: block;
  animation: fadeInUp 1s ease;
  filter: drop-shadow(0 4px 20px rgba(255,255,255,0.3));
}

.hero-content h1 {
  font-size: 48px;
  font-weight: 500;
  letter-spacing: 8px;
  margin-bottom: 12px;
  animation: fadeInUp 1s ease;
}

.hero-content .subtitle {
  font-size: 13px;
  letter-spacing: 10px;
  opacity: 0.75;
  margin-bottom: 24px;
  animation: fadeInUp 1s ease 0.2s both;
}

.hero-content .tagline {
  font-size: 20px;
  font-weight: 400;
  line-height: 1.8;
  opacity: 0.95;
  max-width: 500px;
  margin: 0 auto 40px;
  letter-spacing: 4px;
  animation: fadeInUp 1s ease 0.2s both;
}

.hero-content .cta {
  display: inline-block;
  padding: 14px 48px;
  border: 1.5px solid rgba(255,255,255,0.6);
  border-radius: 50px;
  color: var(--white);
  font-size: 14px;
  letter-spacing: 2px;
  transition: all 0.3s;
  animation: fadeInUp 1s ease 0.6s both;
}

.hero-content .cta:hover {
  background: rgba(255,255,255,0.15);
  border-color: var(--white);
}

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

/* 向下滚动提示 */
.scroll-hint {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,0.5);
  font-size: 12px;
  letter-spacing: 2px;
  animation: bounce 2s infinite;
}

.scroll-hint::after {
  content: "";
  width: 1px;
  height: 30px;
  background: rgba(255,255,255,0.3);
}

@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(10px); }
}

/* ===== 通用板块样式 ===== */
.section { padding: 100px 0; }

.section-header {
  text-align: center;
  margin-bottom: 64px;
}

.section-header h2 {
  font-size: 32px;
  font-weight: 500;
  color: var(--primary-deep);
  letter-spacing: 4px;
  margin-bottom: 12px;
}

.section-header p {
  font-size: 14px;
  color: var(--text-muted);
  letter-spacing: 2px;
}

/* ===== 首页 - 卖点卡片 ===== */
.features {
  background: var(--bg-light);
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.feature-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 48px 32px;
  text-align: center;
  transition: transform 0.3s, box-shadow 0.3s;
  border: 1px solid var(--border);
}

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

.feature-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 24px;
  background: var(--bg-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
}

.feature-card h3 {
  font-size: 18px;
  font-weight: 500;
  margin-bottom: 12px;
  color: var(--text);
}

.feature-card p {
  font-size: 14px;
  color: var(--text-light);
  line-height: 1.8;
}

/* ===== 首页 - 产品展示区 ===== */
.product-showcase {
  background: var(--white);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.product-showcase .product-image {
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.product-showcase .product-image::before {
  content: "";
  position: absolute;
  width: 340px;
  height: 340px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(184,224,220,0.2) 0%, rgba(245,250,249,0.05) 70%, transparent 100%);
  z-index: 0;
}

.product-showcase .product-image img {
  max-height: 420px;
  object-fit: contain;
  position: relative;
  z-index: 1;
  filter: drop-shadow(0 10px 30px rgba(0,0,0,0.08));
}

.product-showcase .product-info h2 {
  font-size: 28px;
  font-weight: 500;
  color: var(--text);
  margin-bottom: 8px;
}

.product-showcase .product-info .product-type {
  font-size: 13px;
  color: var(--text-muted);
  letter-spacing: 3px;
  margin-bottom: 20px;
}

.product-showcase .product-info .desc {
  font-size: 15px;
  color: var(--text-light);
  line-height: 1.9;
  margin-bottom: 24px;
}

.highlight-tag {
  display: inline-block;
  padding: 6px 16px;
  background: var(--accent-light);
  color: #993556;
  font-size: 13px;
  border-radius: 50px;
  margin-bottom: 24px;
  letter-spacing: 1px;
}

.feature-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: 32px;
}

.feature-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--text-light);
}

.feature-list li::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--primary-dark);
  flex-shrink: 0;
}

.btn-primary {
  display: inline-block;
  padding: 12px 36px;
  background: var(--primary-dark);
  color: var(--white);
  border-radius: 50px;
  font-size: 14px;
  letter-spacing: 2px;
  transition: all 0.3s;
  border: none;
  cursor: pointer;
}

.btn-primary:hover {
  background: var(--primary-deep);
  transform: translateY(-1px);
}

/* ===== 首页 - 荣誉区域 ===== */
.honor-banner {
  background: linear-gradient(135deg, var(--primary) 0%, #A3D4CF 100%);
  padding: 60px 0;
  text-align: center;
  color: var(--white);
}

.honor-banner .badge {
  width: 80px;
  height: 80px;
  margin: 0 auto 20px;
  border: 2px solid rgba(255,255,255,0.5);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 36px;
}

.honor-banner h3 {
  font-size: 22px;
  font-weight: 500;
  letter-spacing: 3px;
  margin-bottom: 8px;
}

.honor-banner p {
  font-size: 14px;
  opacity: 0.8;
  letter-spacing: 2px;
}

/* ===== 页面横幅 Page Banner ===== */
.page-banner {
  padding: 160px 0 80px;
  background: linear-gradient(160deg, var(--primary) 0%, #A3D4CF 100%);
  text-align: center;
  color: var(--white);
}

.page-banner h1 {
  font-size: 36px;
  font-weight: 500;
  letter-spacing: 6px;
  margin-bottom: 12px;
}

.page-banner p {
  font-size: 14px;
  opacity: 0.75;
  letter-spacing: 4px;
}

/* ===== 产品页面 ===== */
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 32px;
}

.product-card {
  background: var(--white);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  overflow: hidden;
  transition: transform 0.3s, box-shadow 0.3s;
}

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

.product-card .img-wrap {
  height: 280px;
  background: radial-gradient(circle at center, rgba(184,224,220,0.12) 0%, #FAFAF8 60%);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 32px;
  position: relative;
}

.product-card .img-wrap img {
  max-height: 100%;
  object-fit: contain;
  position: relative;
  z-index: 1;
  filter: drop-shadow(0 4px 16px rgba(0,0,0,0.06));
}

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

.product-card .info h3 {
  font-size: 18px;
  font-weight: 500;
  margin-bottom: 8px;
}

.product-card .info .spec {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 12px;
}

.product-card .info .desc {
  font-size: 14px;
  color: var(--text-light);
  line-height: 1.7;
}

/* ===== 产品详情折叠（查看详细说明） ===== */
.product-details {
  margin-top: 16px;
  border-top: 1px dashed var(--border);
  padding-top: 14px;
}
.product-details > summary {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  cursor: pointer;
  font-size: 14px;
  color: var(--primary-deep);
  font-weight: 500;
  list-style: none;
  user-select: none;
  padding: 6px 0;
  transition: color 0.3s;
}
.product-details > summary:hover { color: var(--primary-dark); }
.product-details > summary::-webkit-details-marker { display: none; }
.product-details > summary .chev {
  width: 8px;
  height: 8px;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(45deg);
  margin-top: -4px;
  transition: transform 0.3s;
}
.product-details[open] > summary .chev { transform: rotate(-135deg); margin-top: 2px; }
.product-details-panel {
  margin-top: 14px;
  padding: 18px;
  background: var(--bg-light);
  border-radius: var(--radius-sm);
}
.product-details-panel p {
  margin: 0;
  font-size: 14px;
  color: var(--text-light);
  line-height: 1.9;
}
.pd-intro {
  font-size: 14px;
  color: var(--text);
  line-height: 1.8;
  font-weight: 500;
  margin-bottom: 14px !important;
  padding-bottom: 12px;
  border-bottom: 1px dashed var(--border);
}
.pd-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.pd-list li {
  display: flex;
  align-items: baseline;
  gap: 10px;
  font-size: 13.5px;
  line-height: 1.7;
}
.pd-list li::before {
  content: "";
  flex: 0 0 auto;
  width: 6px;
  height: 6px;
  margin-top: 7px;
  border-radius: 50%;
  background: var(--primary);
}
.pd-term {
  flex: 0 0 auto;
  font-weight: 600;
  color: var(--primary-deep);
  min-width: 88px;
}
.pd-def {
  color: var(--text-light);
}
.pd-single .pd-def { color: var(--text); }

.product-detail {
  padding: 40px 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}

/* ===== 品牌故事 ===== */
.story-content {
  max-width: 720px;
  margin: 0 auto;
}

.story-block {
  margin-bottom: 48px;
}

.story-block h3 {
  font-size: 20px;
  font-weight: 500;
  color: var(--primary-deep);
  margin-bottom: 16px;
  letter-spacing: 2px;
}

.story-block p {
  font-size: 15px;
  color: var(--text-light);
  line-height: 2;
  margin-bottom: 12px;
}

.story-values {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 48px;
}

.value-card {
  text-align: center;
  padding: 32px 20px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: border-color 0.3s;
}

.value-card:hover { border-color: var(--primary); }

.value-card .icon {
  font-size: 32px;
  margin-bottom: 16px;
}

.value-card h4 {
  font-size: 15px;
  font-weight: 500;
  margin-bottom: 8px;
}

.value-card p {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.7;
}

/* ===== 活动动态 ===== */
.news-list {
  max-width: 800px;
  margin: 0 auto;
}

.news-item {
  display: flex;
  gap: 32px;
  padding: 32px 0;
  border-bottom: 1px solid var(--border);
  transition: background 0.3s;
}

.news-item:first-child { border-top: 1px solid var(--border); }

.news-item:hover { background: var(--bg-light); }

.news-date {
  flex-shrink: 0;
  width: 70px;
  text-align: center;
  padding-top: 4px;
}

.news-date .day {
  font-size: 32px;
  font-weight: 500;
  color: var(--primary-dark);
  line-height: 1;
}

.news-date .month {
  font-size: 12px;
  color: var(--text-muted);
  letter-spacing: 2px;
  margin-top: 4px;
}

.news-body h3 {
  font-size: 17px;
  font-weight: 500;
  margin-bottom: 8px;
  color: var(--text);
}

.news-body p {
  font-size: 14px;
  color: var(--text-light);
  line-height: 1.8;
}

.news-body .tag {
  display: inline-block;
  padding: 3px 12px;
  background: var(--bg-light);
  color: var(--primary-deep);
  font-size: 12px;
  border-radius: 50px;
  margin-top: 12px;
  letter-spacing: 1px;
}

/* ===== 联系我们 ===== */
.contact-section {
  max-width: 760px;
  margin: 0 auto;
}

.contact-info h3 {
  font-size: 20px;
  font-weight: 500;
  color: var(--primary-deep);
  margin-bottom: 20px;
  letter-spacing: 2px;
}

.contact-info p {
  font-size: 15px;
  color: var(--text-light);
  line-height: 1.8;
  margin-bottom: 16px;
}

.contact-methods {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-top: 32px;
}

.contact-methods li {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 14px;
  color: var(--text-light);
  padding: 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
}

.contact-methods .icon {
  width: 40px;
  height: 40px;
  background: var(--bg-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 18px;
}

.contact-form {
  background: var(--bg-light);
  padding: 40px;
  border-radius: var(--radius);
}

.contact-form h3 {
  font-size: 20px;
  font-weight: 500;
  margin-bottom: 24px;
  letter-spacing: 2px;
}

.form-group { margin-bottom: 20px; }

.form-group label {
  display: block;
  font-size: 13px;
  color: var(--text-light);
  margin-bottom: 8px;
  letter-spacing: 1px;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-family: var(--font);
  font-size: 14px;
  color: var(--text);
  background: var(--white);
  transition: border-color 0.3s;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary-dark);
}

.form-group textarea { resize: vertical; min-height: 120px; }

/* ===== 页脚 ===== */
.footer {
  background: #2C3E3B;
  color: rgba(255,255,255,0.6);
  padding: 60px 0 30px;
  font-size: 13px;
}

.footer .container {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1.8fr;
  gap: 40px;
  align-items: start;
}

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

.footer-brand .footer-logo {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  margin: 0 auto 20px;
  display: block;
  filter: brightness(1.1);
  opacity: 0.92;
}

.footer-brand .footer-tagline {
  line-height: 1.8;
  font-size: 14px;
  color: rgba(255,255,255,0.5);
  letter-spacing: 3px;
}

.footer-links h5 {
  color: var(--white);
  font-weight: 500;
  margin-bottom: 16px;
  letter-spacing: 2px;
  font-size: 14px;
}

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

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

.footer-links a {
  color: rgba(255,255,255,0.5);
  transition: color 0.3s;
}

.footer-links a:hover { color: var(--white); }

.footer-email {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin-top: 22px;
  padding: 10px 18px;
  max-width: 100%;
  box-sizing: border-box;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.16);
  border-radius: 999px;
  text-decoration: none;
  transition: background 0.3s, border-color 0.3s;
}
.footer-email:hover {
  background: rgba(255,255,255,0.14);
  border-color: rgba(255,255,255,0.32);
}
.footer-email-ic {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  font-size: 16px;
  line-height: 1;
}
.footer-email-txt {
  display: flex;
  flex-direction: column;
  text-align: left;
  line-height: 1.35;
}
.footer-email-label {
  font-size: 11px;
  color: rgba(255,255,255,0.6);
  letter-spacing: 1px;
}
.footer-email-addr {
  font-size: 15px;
  font-weight: 500;
  color: #fff;
  word-break: break-all;
}

.footer-follow h5 {
  color: var(--white);
  font-weight: 500;
  margin-bottom: 16px;
  letter-spacing: 2px;
}
.footer-qr-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-start;
  gap: 30px;
}
.footer-qr-tile {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  width: 92px;
  cursor: pointer;
  transition: transform 0.3s ease;
}
.footer-qr-tile:first-child { transform-origin: left center; }
.footer-qr-tile:last-child { transform-origin: right center; }
.footer-qr-tile:hover { transform: translateY(-3px); }
.footer-qr-imgwrap {
  position: relative;
  width: 84px;
  height: 84px;
}
/* 默认状态：二维码加模糊 + 半透明遮罩，相机无法解析，确保未点击时扫不出来 */
.footer-qr-imgwrap img {
  width: 84px;
  height: 84px;
  object-fit: contain;
  background: #fff;
  border-radius: 8px;
  padding: 4px;
  filter: blur(5px);
  transition: filter 0.3s ease;
}
/* 极弱磨砂薄罩：仅作轻微视觉提示，不遮挡；防误扫由 blur(5px) 实现 */
.footer-qr-overlay {
  position: absolute;
  inset: 0;
  background: rgba(255, 255, 255, 0.10);
  border-radius: 8px;
  pointer-events: none;
}
/* 右下角低调放大镜小图标，暗示可点击放大 */
.footer-qr-imgwrap::after {
  content: "🔍";
  position: absolute;
  right: 4px;
  bottom: 4px;
  width: 20px;
  height: 20px;
  font-size: 12px;
  line-height: 20px;
  text-align: center;
  background: rgba(255, 255, 255, 0.78);
  border-radius: 50%;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.15);
  opacity: 0.5;
  pointer-events: none;
  transition: opacity 0.2s ease;
}
.footer-qr-tile:hover .footer-qr-imgwrap::after { opacity: 0.9; }
.footer-qr-tile--empty { cursor: default; }
.footer-qr-ph {
  width: 84px;
  height: 84px;
  border: 1px dashed rgba(255,255,255,0.25);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  color: rgba(255,255,255,0.4);
}
.footer-qr-name {
  font-size: 12px;
  color: rgba(255,255,255,0.7);
  letter-spacing: 1px;
}

/* ===== 二维码放大弹层（点击单个二维码全屏展示，只有放大的码可扫） ===== */
.qr-modal {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 9999;
  align-items: center;
  justify-content: center;
}
.qr-modal.is-open { display: flex; }
.qr-modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.72);
  backdrop-filter: blur(2px);
}
.qr-modal-card {
  position: relative;
  z-index: 1;
  background: #fff;
  border-radius: 18px;
  padding: 28px 28px 22px;
  text-align: center;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.5);
  max-width: 90vw;
  animation: qr-pop 0.25s ease;
}
@keyframes qr-pop {
  from { transform: scale(0.85); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}
.qr-modal-card img {
  width: 280px;
  height: 280px;
  max-width: 70vw;
  max-height: 70vw;
  object-fit: contain;
  border-radius: 10px;
  background: #fff;
  padding: 8px;
}
.qr-modal-name {
  margin: 16px 0 4px;
  font-size: 18px;
  font-weight: 600;
  color: #2C3E3B;
  letter-spacing: 1px;
}
.qr-modal-tip {
  margin: 0;
  font-size: 13px;
  color: #8a9a97;
}
.qr-modal-close {
  position: absolute;
  top: 10px;
  right: 14px;
  width: 32px;
  height: 32px;
  border: none;
  border-radius: 50%;
  background: #f0f3f2;
  color: #2C3E3B;
  font-size: 20px;
  line-height: 1;
  cursor: pointer;
}
.qr-modal-close:hover { background: #e2e8e6; }

.footer-bottom {
  margin-top: 40px;
  padding-top: 20px;
  border-top: 1px solid rgba(255,255,255,0.1);
  text-align: center;
  font-size: 12px;
}
.footer-beian {
  margin-top: 6px;
  opacity: 0.85;
}
.footer-beian a {
  color: inherit;
  text-decoration: underline;
}

.footer-partners {
  margin-top: 24px;
  padding-top: 18px;
  border-top: 1px solid rgba(255,255,255,0.1);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 18px;
  font-size: 13px;
}
.footer-partners .fp-label {
  color: var(--white);
  letter-spacing: 2px;
  font-weight: 500;
  margin-right: 4px;
}
.footer-partners .fp-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 18px;
}
.footer-partners a {
  color: rgba(255,255,255,0.6);
  text-decoration: none;
  transition: color 0.3s;
}
.footer-partners a:hover { color: var(--white); }

/* ===== 二维码展示区 ===== */
.qr-section { background: var(--white); }
.qr-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 24px;
  max-width: 880px;
  margin: 0 auto;
}
.qr-tile {
  background: var(--bg-light);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px 20px 20px;
  text-align: center;
  transition: transform 0.3s, box-shadow 0.3s;
}
.qr-tile:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.qr-tile img {
  width: 150px;
  height: 150px;
  max-width: 100%;
  object-fit: contain;
  border-radius: 8px;
  background: #fff;
}
.qr-placeholder {
  width: 150px;
  height: 150px;
  max-width: 100%;
  margin: 0 auto;
  border: 1px dashed var(--border);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 12px;
  text-align: center;
  padding: 10px;
}
.qr-name {
  font-size: 15px;
  font-weight: 500;
  color: var(--primary-deep);
  margin-top: 16px;
  letter-spacing: 1px;
}
.qr-handle {
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 4px;
}

/* ===== 首页 - 联系我们（邮箱） ===== */
/* ===== 首页产品按系列分组 ===== */
.home-series { margin-top: 52px; }
.home-series:first-of-type { margin-top: 8px; }
.home-series-title {
  font-size: 22px;
  font-weight: 600;
  color: var(--primary-deep);
  margin: 0 0 26px;
  padding-left: 14px;
  border-left: 4px solid var(--primary);
  line-height: 1.2;
}
.home-series .product-grid { margin-bottom: 30px; }
.home-series-more { text-align: center; }

/* ===== 新闻 阅读原文 ===== */
.news-readmore {
  display: inline-block;
  margin-top: 14px;
  font-size: 13px;
  font-weight: 500;
  color: var(--primary-deep);
  text-decoration: none;
}
.news-readmore:hover { text-decoration: underline; }
.news-body h3 a { color: inherit; text-decoration: none; transition: color 0.3s; }
.news-body h3 a:hover { color: var(--primary-deep); }

/* ===== 响应式 ===== */
@media (max-width: 768px) {
  .nav-toggle { display: flex; }

  .nav-links {
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--white);
    flex-direction: column;
    gap: 0;
    padding: 16px 0;
    border-bottom: 1px solid var(--border);
    transform: translateY(-100%);
    opacity: 0;
    pointer-events: none;
    transition: all 0.3s;
  }

  .nav-links.active {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .nav-links a {
    display: block;
    padding: 14px 24px;
    border-bottom: 1px solid var(--bg-light);
    font-size: 15px;
  }

  .hero-content h1 { font-size: 32px; letter-spacing: 6px; }
  .hero-content .tagline { font-size: 15px; }

  .feature-grid { grid-template-columns: 1fr; }

  .product-showcase {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .story-values { grid-template-columns: 1fr; }

  .contact-section { grid-template-columns: 1fr; }

  .footer .container { grid-template-columns: 1fr; }

  .news-item { flex-direction: column; gap: 12px; }

  .section { padding: 60px 0; }

  .page-banner { padding: 130px 0 50px; }
}