/* ==========================================
   VELUTON 汇绿通生物科技 - 官网全局样式
   ========================================== */

:root {
  --primary: #2d8a4e;
  --primary-light: #4caf6e;
  --primary-dark: #1e6a37;
  --primary-bg: #f0f7f2;
  --primary-soft: #e8f5e9;
  --dark: #1a1a2e;
  --text: #333;
  --text-light: #666;
  --gray: #999;
  --border: #e8e8e8;
  --bg-light: #f8f9fa;
  --white: #fff;
  --shadow: 0 4px 20px rgba(0,0,0,0.06);
  --shadow-hover: 0 8px 30px rgba(0,0,0,0.12);
  --radius: 12px;
  --radius-sm: 8px;
  --transition: all 0.3s ease;
  --font: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { font-family: var(--font); color: var(--text); line-height: 1.6; background: var(--white); }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; height: auto; display: block; }

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

/* ===== TOP BAR ===== */
.topbar {
  background: var(--dark);
  color: rgba(255,255,255,0.6);
  font-size: 11px;
  letter-spacing: 2px;
  text-transform: uppercase;
  text-align: center;
  padding: 8px 0;
}

/* ===== HEADER ===== */
header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  transition: var(--transition);
}
header.scrolled { box-shadow: 0 2px 20px rgba(0,0,0,0.08); }

nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
}
.logo img { height: 32px; }

.logo-text {
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 2px;
  color: var(--dark);
  line-height: 1.2;
}
.logo-text small {
  display: block;
  font-size: 10px;
  font-weight: 400;
  color: var(--gray);
  letter-spacing: 1px;
}

.nav-links {
  display: flex;
  gap: 28px;
  align-items: center;
}
.nav-links a {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-light);
  letter-spacing: 0.5px;
  position: relative;
  padding: 4px 0;
  transition: var(--transition);
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary);
  transition: var(--transition);
}
.nav-links a:hover,
.nav-links a.active { color: var(--primary); }
.nav-links a:hover::after,
.nav-links a.active::after { width: 100%; }

.nav-cta {
  background: var(--primary) !important;
  color: var(--white) !important;
  padding: 10px 24px !important;
  border-radius: 50px;
  font-weight: 600 !important;
}
.nav-cta:hover { background: var(--primary-dark) !important; transform: translateY(-1px); }
.nav-cta::after { display: none !important; }

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 5px;
  background: none;
  border: none;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--dark);
  border-radius: 2px;
  transition: var(--transition);
}

/* ===== HERO ===== */
.hero {
  padding: 100px 0 80px;
  background: linear-gradient(135deg, var(--primary-bg) 0%, var(--primary-soft) 100%);
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: -40%;
  right: -15%;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(45,138,78,0.06) 0%, transparent 70%);
}

.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-content .sub {
  font-size: 12px;
  color: var(--gray);
  letter-spacing: 3px;
  text-transform: uppercase;
  margin-bottom: 12px;
}
.hero-content h1 {
  font-size: 40px;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 16px;
  color: var(--dark);
}
.hero-content h1 span { color: var(--primary); }
.hero-content p {
  font-size: 15px;
  color: var(--text-light);
  margin-bottom: 28px;
  line-height: 1.8;
  max-width: 520px;
}
.hero-btns { display: flex; gap: 14px; flex-wrap: wrap; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 30px;
  border-radius: 50px;
  font-size: 14px;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  letter-spacing: 0.5px;
}
.btn-primary { background: var(--primary); color: var(--white); }
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 6px 20px rgba(45,138,78,0.3); }
.btn-outline { background: transparent; color: var(--primary); border: 2px solid var(--primary); }
.btn-outline:hover { background: var(--primary); color: var(--white); transform: translateY(-2px); }
.btn-white { background: var(--white); color: var(--primary); }
.btn-white:hover { background: var(--primary-bg); transform: translateY(-2px); }

.hero-image { display: flex; justify-content: center; align-items: center; }
.hero-image img {
  border-radius: var(--radius);
  box-shadow: var(--shadow-hover);
  max-height: 460px;
  width: 100%;
  object-fit: cover;
}

/* ===== HERO VISUAL (horizontal images) ===== */
.hero-visual {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
}
.hero-img-grid {
  display: flex;
  gap: 16px;
  width: 100%;
}
.img-card {
  flex: 1;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-hover);
  transition: var(--transition);
}
.img-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.15);
}
.img-card img {
  width: 100%;
  height: 280px;
  object-fit: cover;
  display: block;
}

/* ===== SECTIONS ===== */
.section { padding: 80px 0; }
.section-alt { background: var(--bg-light); }
.section-green { background: linear-gradient(135deg, var(--primary-bg), var(--primary-soft)); }

.section-title {
  text-align: center;
  margin-bottom: 48px;
}
.section-title .st {
  font-size: 11px;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--gray);
  margin-bottom: 8px;
}
.section-title h2 {
  font-size: 30px;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 10px;
}
.section-title p {
  font-size: 15px;
  color: var(--text-light);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.7;
}
.section-title .line {
  width: 50px;
  height: 2px;
  background: var(--primary);
  margin: 16px auto 0;
}

/* ===== BRAND STORY ===== */
.brand-story {
  max-width: 700px;
  margin: 0 auto;
  text-align: center;
  padding: 20px 0 40px;
}
.brand-story p { font-size: 15px; color: var(--text-light); line-height: 2; }

/* ===== CATEGORY GRID ===== */
.cat-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.cat-card {
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
  border: 1px solid rgba(0,0,0,0.04);
  cursor: pointer;
}
.cat-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }

.cat-card-img {
  height: 220px;
  overflow: hidden;
  background: var(--bg-light);
}
.cat-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition);
}
.cat-card:hover .cat-card-img img { transform: scale(1.05); }

.cat-card-body { padding: 20px 24px 24px; }
.cat-card-body .cat-label {
  font-size: 10px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--gray);
  margin-bottom: 4px;
}
.cat-card-body h3 { font-size: 17px; font-weight: 600; margin-bottom: 6px; }
.cat-card-body p { font-size: 13px; color: var(--text-light); line-height: 1.6; margin-bottom: 10px; }
.cat-card-body .cat-arrow { float: right; color: var(--gray); font-size: 14px; transition: var(--transition); }
.cat-card:hover .cat-arrow { color: var(--primary); transform: translateX(4px); }

/* ===== STATS ===== */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
.stat-item { background: var(--white); padding: 40px 20px; text-align: center; }
.stat-item .num {
  font-size: 36px;
  font-weight: 300;
  display: block;
  color: var(--primary);
  margin-bottom: 4px;
}
.stat-item .label {
  font-size: 11px;
  color: var(--gray);
  letter-spacing: 2px;
  text-transform: uppercase;
}

/* ===== QUOTE ===== */
.quote-section { padding: 70px 0; text-align: center; background: #fafafa; }
.quote-section blockquote {
  font-size: 18px;
  color: var(--text-light);
  font-style: italic;
  line-height: 2;
  max-width: 620px;
  margin: 0 auto;
}
.quote-section cite {
  font-size: 12px;
  color: #ccc;
  font-style: normal;
  display: block;
  margin-top: 12px;
}

/* ===== CTA ===== */
.cta-banner {
  background: linear-gradient(135deg, var(--primary-dark), var(--primary));
  padding: 70px 0;
  text-align: center;
  color: var(--white);
}
.cta-banner h2 { font-size: 30px; font-weight: 700; margin-bottom: 12px; }
.cta-banner p { font-size: 15px; opacity: 0.9; margin-bottom: 28px; max-width: 500px; margin: 0 auto 28px; }

/* ===== FOOTER ===== */
footer {
  background: var(--dark);
  color: rgba(255,255,255,0.7);
  padding: 60px 0 30px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}
.footer-brand .logo-text { color: var(--white); }
.footer-brand .logo-text small { color: rgba(255,255,255,0.4); }
.footer-brand p { font-size: 13px; line-height: 1.8; opacity: 0.7; margin-top: 16px; max-width: 320px; }

.footer-col h4 {
  color: var(--white);
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 20px;
  letter-spacing: 1px;
}
.footer-col a {
  display: block;
  font-size: 13px;
  opacity: 0.7;
  margin-bottom: 10px;
  transition: var(--transition);
}
.footer-col a:hover { opacity: 1; color: var(--primary-light); }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  opacity: 0.5;
}

/* ===== PAGE HEADER ===== */
.page-header {
  padding: 100px 0 50px;
  background: linear-gradient(135deg, var(--primary-bg), var(--primary-soft));
  text-align: center;
}
.page-header h1 { font-size: 32px; font-weight: 700; margin-bottom: 8px; }
.page-header p { color: var(--text-light); font-size: 15px; }
.page-header .st {
  font-size: 11px;
  letter-spacing: 3px;
  color: var(--gray);
  text-transform: uppercase;
  margin-bottom: 8px;
}

/* ===== CATEGORY HEADER (no image, text+icon only) ===== */
.cat-head {
  display: flex;
  align-items: center;
  gap: 16px;
  margin: 60px 0 28px;
  padding: 16px 24px;
  background: var(--primary-bg);
  border-radius: var(--radius);
  border-left: 4px solid var(--primary);
}

.cat-head:first-of-type { margin-top: 0; }

.cat-head-icon {
  width: 48px;
  height: 48px;
  background: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  flex-shrink: 0;
  box-shadow: 0 2px 8px rgba(0,0,0,0.06);
}

.cat-head-text h2 { font-size: 20px; font-weight: 700; }
.cat-head-text p { font-size: 13px; color: var(--text-light); margin-top: 2px; }

/* ===== PRODUCT GRID ===== */
.prod-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.prod-card {
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 1px solid rgba(0,0,0,0.04);
  transition: var(--transition);
}
.prod-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-hover); }

.prod-card-img {
  height: 240px;
  overflow: hidden;
  background: var(--bg-light);
}
.prod-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition);
}
.prod-card:hover .prod-card-img img { transform: scale(1.03); }

.prod-card-body { padding: 20px; }
.prod-card-body h3 { font-size: 15px; font-weight: 600; margin-bottom: 6px; }
.prod-card-body p { font-size: 13px; color: var(--text-light); line-height: 1.6; }

/* ===== NEWS ===== */
.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-bottom: 40px;
}

.news-card {
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 1px solid rgba(0,0,0,0.04);
  transition: var(--transition);
}
.news-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }

.news-card-img {
  height: 200px;
  overflow: hidden;
  background: var(--bg-light);
}
.news-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition);
}
.news-card:hover .news-card-img img { transform: scale(1.05); }

.news-card-body { padding: 20px 24px 24px; }
.news-card-body .news-date {
  font-size: 11px;
  color: var(--gray);
  letter-spacing: 1px;
  margin-bottom: 6px;
}
.news-card-body h3 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 8px;
  line-height: 1.4;
}
.news-card-body p { font-size: 13px; color: var(--text-light); line-height: 1.7; }
.news-card-body .news-tag {
  display: inline-block;
  background: var(--primary-bg);
  color: var(--primary);
  font-size: 11px;
  font-weight: 500;
  padding: 3px 10px;
  border-radius: 20px;
  margin-top: 10px;
}

/* Featured news */
.featured-news {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  margin-bottom: 50px;
}
.featured-news-img {
  min-height: 350px;
  overflow: hidden;
}
.featured-news-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition);
}
.featured-news:hover .featured-news-img img { transform: scale(1.03); }

.featured-news-body {
  padding: 36px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.featured-news-body .news-tag {
  display: inline-block;
  background: var(--primary);
  color: var(--white);
  font-size: 10px;
  letter-spacing: 2px;
  text-transform: uppercase;
  padding: 4px 14px;
  border-radius: 20px;
  margin-bottom: 12px;
  align-self: flex-start;
}
.featured-news-body .news-date {
  font-size: 12px;
  color: var(--gray);
  margin-bottom: 8px;
}
.featured-news-body h2 {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 12px;
  line-height: 1.4;
}
.featured-news-body p {
  font-size: 14px;
  color: var(--text-light);
  line-height: 1.8;
}

/* News filter */
.news-filter {
  display: flex;
  gap: 12px;
  margin-bottom: 36px;
  flex-wrap: wrap;
}
.news-filter a {
  padding: 8px 20px;
  border-radius: 50px;
  font-size: 13px;
  font-weight: 500;
  border: 1.5px solid var(--border);
  transition: var(--transition);
  color: var(--text-light);
}
.news-filter a:hover,
.news-filter a.active {
  background: var(--primary);
  color: var(--white);
  border-color: var(--primary);
}

/* ===== CONTACT ===== */
.contact-wrap {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 50px;
  padding: 60px 0;
}
.contact-info {
  background: var(--white);
  padding: 36px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.contact-info h3 { font-size: 18px; margin-bottom: 24px; }

.contact-item {
  display: flex;
  gap: 14px;
  margin-bottom: 22px;
  align-items: flex-start;
}
.contact-item-icon {
  width: 42px;
  height: 42px;
  background: var(--primary-bg);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
}
.contact-item-text h4 { font-size: 13px; font-weight: 600; margin-bottom: 2px; }
.contact-item-text p { font-size: 13px; color: var(--text-light); }

.contact-qr {
  margin-top: 16px;
  padding-top: 20px;
  border-top: 1px solid #eee;
  text-align: center;
}
.contact-qr img {
  width: 140px;
  height: 140px;
  margin: 0 auto 10px;
  border-radius: var(--radius-sm);
  border: 1px solid #eee;
  object-fit: contain;
  background: var(--white);
}
.contact-qr p { font-size: 12px; color: var(--gray); }

.contact-form-card {
  background: var(--white);
  padding: 36px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.contact-form-card h3 { font-size: 18px; margin-bottom: 24px; }

.form-group { margin-bottom: 18px; }
.form-group label { display: block; font-size: 13px; font-weight: 600; margin-bottom: 6px; color: var(--text); }
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 11px 14px;
  border: 1.5px solid #e0e0e0;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-family: inherit;
  background: var(--white);
  transition: var(--transition);
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(45,138,78,0.1);
}
.form-group textarea { min-height: 110px; resize: vertical; }
.form-group .btn { width: 100%; justify-content: center; padding: 13px; font-size: 15px; }

.form-success { display: none; text-align: center; padding: 50px 20px; }

/* ===== CERTIFICATIONS ===== */
.certs-section {
  padding: 60px 0;
  background: var(--white);
}
.certs-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 40px;
}
.cert-card {
  text-align: center;
  padding: 24px 12px;
  border: 1px solid rgba(0,0,0,0.06);
  border-radius: var(--radius);
  transition: var(--transition);
}
.cert-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
}
.cert-card img {
  width: 100%;
  max-width: 180px;
  height: auto;
  border-radius: 6px;
  margin-bottom: 12px;
  border: 1px solid rgba(0,0,0,0.05);
}
.cert-card p {
  font-size: 12px;
  color: var(--text-light);
  line-height: 1.4;
}
@media (max-width: 768px) {
  .certs-grid { grid-template-columns: repeat(2, 1fr); }
  .hero-img-grid { gap: 8px; }
  .img-card img { height: 160px; }
}
.form-success .icon { font-size: 48px; margin-bottom: 16px; }
.form-success h3 { color: var(--primary); margin-bottom: 8px; }
.form-success p { font-size: 14px; color: var(--text-light); }

/* ===== RESPONSIVE ===== */
@media (max-width: 992px) {
  .hero-inner { grid-template-columns: 1fr; text-align: center; }
  .hero-content p { margin: 0 auto 28px; }
  .hero-btns { justify-content: center; }
  .hero-content h1 { font-size: 32px; }
  .cat-grid { grid-template-columns: repeat(2, 1fr); }
  .prod-grid { grid-template-columns: repeat(2, 1fr); }
  .news-grid { grid-template-columns: repeat(2, 1fr); }
  .featured-news { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-wrap { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--white);
    flex-direction: column;
    padding: 24px;
    gap: 18px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    z-index: 999;
  }
  .nav-links.open { display: flex; }
  .hamburger { display: flex; }

  .hero { padding: 80px 0 50px; }
  .hero-content h1 { font-size: 26px; }
  .section-title h2 { font-size: 24px; }
  .cat-grid, .prod-grid, .news-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .page-header h1 { font-size: 26px; }
  .contact-info, .contact-form-card { padding: 24px; }
  .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }
}


/* ==== VELUTON 2026-10 改版新增 ==== */
.brand-chip{display:inline-block;padding:8px 18px;border:1px solid #cfd8d0;border-radius:20px;background:#fff;color:#2f5d3a;font-size:14px;cursor:pointer;transition:.2s;font-family:inherit;}
.brand-chip:hover,.brand-chip.active{background:#2f7d46;color:#fff;border-color:#2f7d46;}
.brand-tag{display:inline-block;font-size:12px;color:#2f7d46;background:#eaf5ec;border-radius:4px;padding:2px 8px;margin-bottom:6px;}
.prod-spec{display:block;font-size:12px;color:#98a2a8;margin-top:6px;}
.brands-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:18px;}
.brand-card{background:#fff;border:1px solid #eef1ee;border-radius:12px;padding:24px 14px;text-align:center;transition:.2s;}
.brand-card:hover{box-shadow:0 10px 26px rgba(0,0,0,.07);transform:translateY(-3px);}
.brand-card img{max-height:56px;max-width:82%;margin:0 auto 12px;object-fit:contain;display:block;}
.brand-wordmark{font-size:20px;font-weight:700;letter-spacing:2px;color:#2f7d46;margin-bottom:12px;line-height:1.1;}
.brand-name{font-size:15px;font-weight:600;color:#233;letter-spacing:1px;}
.brand-desc{font-size:12px;color:#8a969c;margin-top:6px;line-height:1.6;}
.news-hl{border-left:4px solid #c9a227;background:#fffdf5;padding:16px 18px;border-radius:8px;margin:14px 0;}
.news-hl h3{margin:0 0 6px;font-size:16px;color:#8a6d1a;}
.news-hl p{margin:6px 0 0;font-size:14px;color:#5a5a5a;line-height:1.8;}
.addr-block{margin-top:6px;}
.addr-block p{margin:4px 0;}


/* ==== 产品筛选（照搬竹之语筛选式目录） ==== */
.filter-panel{background:#f7faf7;border:1px solid #eef1ee;border-radius:14px;padding:14px 22px;}
.filter-row{display:flex;flex-wrap:wrap;align-items:center;gap:8px;padding:8px 0;}
.filter-row + .filter-row{border-top:1px dashed #e2e8e2;}
.filter-label{font-size:14px;color:#8a969c;min-width:52px;font-weight:600;}
.news-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:22px;}


/* ==== 品牌矩阵统一视觉（2026-10-12 细节调整） ==== */
.brand-card{background:#ffffff;border:1px solid #e7efe9;}
.brand-name{font-size:18px;font-weight:700;color:#2f7d46;letter-spacing:1px;}
.brand-wordmark{font-size:24px;font-weight:700;color:#2f7d46;letter-spacing:2px;}
.brand-desc{font-size:13px;color:#7d8a80;}


/* ==== 品牌卡：单一品牌名、居中放大（2026-10-12 细节 3） ==== */
.brand-card{display:flex;flex-direction:column;justify-content:center;align-items:center;text-align:center;min-height:170px;}
.brand-card img{max-height:64px;margin:0 auto 14px;}
.brand-name{font-size:24px !important;font-weight:800;color:#2f7d46;letter-spacing:2px;margin-top:0;}
.brand-desc{margin-top:10px;}
.brand-wordmark{display:none !important;}


/* ==== 品牌卡统一对称（2026-10-12 细节 4） ==== */
.brand-card{display:flex;flex-direction:column;justify-content:center;align-items:center;text-align:center;min-height:150px;padding:28px 14px;}
.brand-card img{display:none;}
.brand-name{font-size:26px;font-weight:800;color:#2f7d46;letter-spacing:2px;}


/* ==== 首页 hero 三图统一（2026-10-12 细节 6） ==== */
.hero-img-grid .img-card{background:#ffffff;}
.hero-img-grid .img-card img{width:100%;height:auto;aspect-ratio:3 / 4;object-fit:contain;padding:10px;box-sizing:border-box;background:#fff;}


/* ==== 标签组居中（2026-10-12 细节 7） ==== */
.brand-tags{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;align-items:center;text-align:center;}
.brand-tags > span{display:inline-block;background:#eaf5ec;color:#2f7d46;border-radius:20px;padding:6px 18px;font-size:14px;font-weight:600;}


/* ==== 行业资讯分类标题（2026-10-13） ==== */
.news-cat{font-size:22px;font-weight:800;color:#2f7d46;margin:34px 0 16px;padding-left:12px;border-left:5px solid #2f7d46;}
.news-cats .news-grid{margin-bottom:6px;}


/* ==== 行业资讯：可折叠下拉 + 一排三个（2026-10-13） ==== */
.news-acc{background:#fff;border:1px solid #e7efe9;border-radius:14px;padding:6px 20px 18px;margin-bottom:20px;}
.news-acc>summary{list-style:none;cursor:pointer;font-size:20px;font-weight:800;color:#2f7d46;padding:14px 0 14px 26px;position:relative;border-bottom:1px solid #eef1ee;}
.news-acc>summary::-webkit-details-marker{display:none;}
.news-acc>summary::before{content:"▸";position:absolute;left:2px;top:14px;color:#2f7d46;transition:.2s;}
.news-acc[open]>summary::before{content:"▾";}
.news-acc>summary::after{content:"点击展开/收起";position:absolute;right:0;top:16px;font-size:12px;color:#9aa;font-weight:400;}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:18px;}
@media(max-width:980px){.grid-3{grid-template-columns:repeat(2,1fr);}}
@media(max-width:620px){.grid-3{grid-template-columns:1fr;}}


/* ==== 行业资讯：三栏并排、等大文字窗口（2026-10-13） ==== */
.news-cols{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;align-items:stretch;}
.news-col{background:#fff;border:1px solid #e7efe9;border-radius:14px;padding:20px;display:flex;flex-direction:column;min-height:540px;}
.news-col-title{font-size:18px;font-weight:800;color:#2f7d46;margin:0 0 16px;padding-bottom:12px;border-bottom:2px solid #eef4ef;text-align:center;}
.news-col-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:14px;}
.news-col-list li a{display:flex;gap:12px;text-decoration:none;color:inherit;align-items:flex-start;}
.news-col-list img{width:104px;height:74px;object-fit:cover;border-radius:8px;flex:none;background:#f4f6f4;}
.nc-txt h4{margin:0 0 6px;font-size:14px;line-height:1.45;color:#233;font-weight:600;}
.nc-txt span{font-size:12px;color:#98a2a8;}
.news-col-list li a:hover h4{color:#2f7d46;}
@media(max-width:980px){.news-cols{grid-template-columns:1fr 1fr;}}
@media(max-width:640px){.news-cols{grid-template-columns:1fr;}}


/* ==== 行业资讯·广告位（推荐理由/优点/购买） ==== */
.news-col-list li.ad-row a{background:#f6fbf7;border:1px solid #e3f0e6;border-radius:10px;padding:10px;}
.ad-adv{font-size:12px;color:#4a7a56;line-height:1.5;margin-top:4px;}
.ad-why{font-size:12px;color:#8a6d1a;line-height:1.5;margin-top:3px;}
.ad-buy{display:inline-block;margin-top:8px;font-size:12px;color:#fff;background:#2f7d46;border-radius:14px;padding:3px 12px;}

/* 前端导航·互动系统入口 */
.nav-links .nav-interactive{color:#2f7d46;font-weight:700;}