/* ==========================================================
   中山市信至隆包装材料厂 · 建站模板 zsxzl v1.0.0
   主色：#0f7d8c  深色：#0a4a57  强调：#f08a2d  浅底：#f4f9fa
   字体：仅使用电脑/手机系统自带字体
   ========================================================== */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "微软雅黑", sans-serif;
  color: #333;
  line-height: 1.6;
  background: #fff;
}
a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }
ul, ol { list-style: none; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }

/* ===== 顶部信息条 ===== */
.topbar { background: #0a4a57; color: #cfeef2; font-size: 13px; }
.topbar-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 36px; flex-wrap: wrap;
}
.topbar a { color: #fff; }
.topbar a:hover { text-decoration: underline; }

/* ===== 导航栏 ===== */
.navbar {
  position: sticky; top: 0; background: #fff;
  box-shadow: 0 2px 10px rgba(0,0,0,0.08); z-index: 1000;
}
.navbar-inner {
  display: flex; align-items: center; justify-content: space-between; height: 72px;
}
.logo { display: flex; align-items: center; gap: 12px; }
.logo-icon {
  width: 44px; height: 44px; border-radius: 10px;
  background: linear-gradient(135deg, #0f7d8c, #14a3b5);
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.logo-icon svg { width: 26px; height: 26px; }
.logo-text { line-height: 1.2; }
.logo-text strong { display: block; font-size: 18px; color: #0a4a57; font-weight: 700; }
.logo-text span { font-size: 12px; color: #888; }
.nav-menu { display: flex; align-items: center; gap: 30px; }
.nav-menu li { position: relative; }
.nav-menu a {
  font-size: 15px; color: #444; transition: color 0.2s;
  position: relative; padding: 6px 0;
}
.nav-menu a:hover, .nav-menu a.active { color: #0f7d8c; }
.nav-menu a.active::after {
  content: ''; position: absolute; left: 0; right: 0; bottom: 0;
  height: 3px; border-radius: 2px; background: #0f7d8c;
}
.nav-menu .dropdown {
  display: none; position: absolute; top: 100%; left: 50%;
  transform: translateX(-50%); background: #fff; min-width: 168px;
  box-shadow: 0 12px 28px rgba(10,74,87,0.16);
  border-radius: 10px; padding: 8px 0; z-index: 100;
}
.nav-menu li:hover > .dropdown { display: block; }
.nav-menu .dropdown li { border-bottom: 1px solid #f2f4f5; }
.nav-menu .dropdown li:last-child { border-bottom: none; }
.nav-menu .dropdown a {
  display: block; padding: 10px 20px; font-size: 14px;
  color: #444; text-align: center; white-space: nowrap;
}
.nav-menu .dropdown a:hover { color: #0f7d8c; background: #f2f8f9; }
.nav-cta {
  background: #0f7d8c; color: #fff !important; padding: 9px 20px !important;
  border-radius: 6px; font-weight: 500;
}
.nav-cta:hover { background: #0a6471; }
.hamburger {
  display: none; background: none; border: none; cursor: pointer;
  padding: 10px; min-width: 44px; min-height: 44px;
  align-items: center; justify-content: center; color: #333;
}
.hamburger svg { width: 26px; height: 26px; }

/* ===== Banner ===== */
.banner {
  height: 560px;
  background: url('../images/banner.jpg') center/cover no-repeat;
  position: relative; display: flex; align-items: center; color: #fff;
}
.banner::before {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(90deg, rgba(7,47,58,0.82) 0%, rgba(10,74,87,0.55) 45%, rgba(10,74,87,0.15) 100%);
}
.banner-content { position: relative; z-index: 1; max-width: 1200px; margin: 0 auto; padding: 0 20px; width: 100%; }
.banner-tag {
  display: inline-block; background: rgba(255,255,255,0.16);
  border: 1px solid rgba(255,255,255,0.35); border-radius: 30px;
  padding: 6px 18px; font-size: 14px; letter-spacing: 1px; margin-bottom: 22px;
}
.banner h1 { font-size: 50px; font-weight: 700; line-height: 1.25; margin-bottom: 18px; }
.banner h1 em { font-style: normal; color: #ffd27a; }
.banner p { font-size: 18px; opacity: 0.95; margin-bottom: 34px; max-width: 560px; }
.banner-btns { display: flex; gap: 16px; flex-wrap: wrap; }
.btn {
  display: inline-block; padding: 13px 34px; border-radius: 6px;
  font-size: 16px; font-weight: 500; transition: all 0.2s; cursor: pointer;
}
.btn-primary { background: #f08a2d; color: #fff; }
.btn-primary:hover { background: #d97a1f; }
.btn-outline { background: transparent; color: #fff; border: 1.5px solid rgba(255,255,255,0.7); }
.btn-outline:hover { background: rgba(255,255,255,0.12); }

/* ===== 通用区块 ===== */
.section { padding: 80px 0; }
.section-head { text-align: center; margin-bottom: 50px; }
.section-head .en {
  font-size: 13px; letter-spacing: 4px; color: #0f7d8c;
  text-transform: uppercase; margin-bottom: 8px;
}
.section-head h2 { font-size: 32px; font-weight: 700; color: #0a4a57; }
.section-head .line {
  width: 52px; height: 4px; border-radius: 2px;
  background: #f08a2d; margin: 16px auto 0;
}

/* ===== 首页公司简介 ===== */
.about { background: #f4f9fa; }
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.about-text h3 { font-size: 26px; color: #0a4a57; margin-bottom: 18px; }
.about-text p {
  color: #555; font-size: 15px; margin-bottom: 16px; text-align: justify;
}
.about-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.stat-card {
  background: #fff; border-radius: 10px; padding: 26px 22px;
  box-shadow: 0 2px 12px rgba(10,74,87,0.06); border-left: 4px solid #0f7d8c;
}
.stat-card .num { font-size: 30px; font-weight: 700; color: #0f7d8c; line-height: 1.2; }
.stat-card .label { font-size: 14px; color: #666; margin-top: 6px; }

/* ===== 首页产品中心 ===== */
.product-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 26px;
}
.product-card {
  background: #fff; border-radius: 12px; overflow: hidden;
  box-shadow: 0 2px 14px rgba(0,0,0,0.07); transition: transform 0.25s, box-shadow 0.25s;
}
.product-card:hover { transform: translateY(-5px); box-shadow: 0 10px 28px rgba(10,74,87,0.15); }
.product-img { display: block; aspect-ratio: 1 / 1; overflow: hidden; background: #f0f6f7; }
.product-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.35s; }
.product-card:hover .product-img img { transform: scale(1.05); }
.product-info { padding: 18px 16px 20px; text-align: center; }
.product-info h3 { font-size: 16px; font-weight: 600; color: #0a4a57; }
.product-info p { font-size: 13px; color: #999; margin-top: 4px; }

/* ===== 认证资质 ===== */
.cert { background: linear-gradient(135deg, #0a4a57, #0f7d8c); color: #fff; }
.cert-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; text-align: center;
}
.cert-item { padding: 10px; }
.cert-item .badge {
  width: 72px; height: 72px; margin: 0 auto 16px; border-radius: 50%;
  background: rgba(255,255,255,0.14); border: 2px solid rgba(255,255,255,0.35);
  display: flex; align-items: center; justify-content: center;
}
.cert-item .badge svg { width: 36px; height: 36px; }
.cert-item h4 { font-size: 17px; font-weight: 600; margin-bottom: 6px; }
.cert-item p { font-size: 13px; opacity: 0.85; }

/* ===== 首页新闻资讯 ===== */
.news { background: #f4f9fa; }
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.news-item {
  background: #fff; border-radius: 12px; overflow: hidden;
  box-shadow: 0 2px 10px rgba(0,0,0,0.06); transition: transform 0.25s, box-shadow 0.25s;
}
.news-item:hover { transform: translateY(-4px); box-shadow: 0 8px 24px rgba(10,74,87,0.12); }
.news-img { height: 200px; overflow: hidden; }
.news-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.35s; }
.news-item:hover .news-img img { transform: scale(1.05); }
.news-body { padding: 20px 22px 24px; }
.news-body .date { font-size: 13px; color: #0f7d8c; margin-bottom: 10px; }
.news-body h3 {
  font-size: 17px; font-weight: 600; color: #333; line-height: 1.5;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
/* 首页新闻文字列表 */
.news-text-list { max-width: 900px; margin: 0 auto; background: #fff; border-radius: 12px; box-shadow: 0 2px 10px rgba(0,0,0,0.06); overflow: hidden; }
.nt-item {
  display: flex; align-items: center; gap: 20px; padding: 16px 26px;
  border-bottom: 1px solid #eef2f3; transition: background 0.2s;
  min-width: 0;
}
.nt-item:last-child { border-bottom: none; }
.nt-item:hover { background: #f2f8f9; }
.nt-date {
  flex-shrink: 0; font-size: 13px; color: #0f7d8c; background: #e8f3f5;
  padding: 4px 12px; border-radius: 4px; font-family: Consolas, Menlo, monospace;
}
.nt-title {
  flex: 1; min-width: 0; font-size: 16px; color: #333; overflow: hidden;
  white-space: nowrap; text-overflow: ellipsis;
}
.nt-item:hover .nt-title { color: #0f7d8c; }

/* ===== 在线询单 ===== */
.inquiry { background: #fff; }
.inquiry-wrap {
  max-width: 860px; margin: 0 auto; background: #f4f9fa;
  border-radius: 14px; padding: 44px 48px;
  box-shadow: 0 4px 20px rgba(10,74,87,0.06); border: 1px solid #e2eef0;
}
.inquiry-wrap .tip { text-align: center; font-size: 14px; color: #888; margin-bottom: 28px; }
.inquiry-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.form-group { display: flex; flex-direction: column; }
.form-group.full { grid-column: 1 / -1; }
.form-group label { font-size: 14px; color: #444; margin-bottom: 8px; }
.form-group label i { color: #e0533d; font-style: normal; margin-left: 2px; }
.form-group input,
.form-group select,
.form-group textarea {
  border: 1px solid #d5e3e5; border-radius: 8px; padding: 12px 14px;
  font-size: 16px; font-family: inherit; background: #fff; color: #333;
  outline: none; transition: border 0.2s, box-shadow 0.2s;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: #0f7d8c; box-shadow: 0 0 0 3px rgba(15,125,140,0.12);
}
.form-group textarea { min-height: 110px; resize: vertical; }
.inquiry-submit { margin-top: 24px; text-align: center; }
.inquiry-submit .btn { width: 100%; max-width: 320px; border: none; }

/* ===== Footer ===== */
.footer { background: #08343e; color: #b9d4d9; padding: 60px 0 0; }
.footer-grid {
  display: grid; grid-template-columns: 1.4fr 0.8fr 1.1fr 0.9fr;
  gap: 40px; padding-bottom: 44px;
}
.footer h4 {
  color: #fff; font-size: 16px; margin-bottom: 18px;
  position: relative; padding-bottom: 10px;
}
.footer h4::after {
  content: ''; position: absolute; left: 0; bottom: 0;
  width: 32px; height: 3px; border-radius: 2px; background: #f08a2d;
}
.footer p, .footer a, .footer li { font-size: 14px; line-height: 2.1; color: #b9d4d9; }
.footer a:hover { color: #fff; }
.footer ul { list-style: none; }
.footer-contact li { display: flex; gap: 8px; }
.footer-contact svg { width: 16px; height: 16px; flex-shrink: 0; margin-top: 6px; }
.footer-qr {
  width: 100%; min-width: 0; aspect-ratio: 1 / 1; background: #fff;
  border-radius: 8px; padding: 5px;
  display: flex; align-items: center; justify-content: center; overflow: hidden;
}
.footer-qr img { width: 100%; height: 100%; border-radius: 4px; min-width: 0; object-fit: cover; }
.footer-qr-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.footer-qr-grid > * { min-width: 0; }
.footer-qr-tip { font-size: 12px; margin-top: 10px; color: #8fb4ba; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 20px 0; text-align: center; font-size: 13px; color: #7fa4ab;
}
.footer-bottom a { color: #a9c9cf; }
.footer-bottom a:hover { color: #fff; }

/* ==========================================================
   内页部分
   ========================================================== */

/* ===== 内页标题区 ===== */
.page-banner {
  background: linear-gradient(135deg, #0a4a57 0%, #0f7d8c 100%);
  color: #fff; padding: 74px 0 58px; text-align: center;
}
.page-banner h1 { font-size: 36px; letter-spacing: 2px; margin-bottom: 12px; }
.page-banner p { font-size: 16px; color: rgba(255,255,255,0.85); }
.crumb { margin-top: 16px; font-size: 14px; color: rgba(255,255,255,0.8); }
.crumb a { color: rgba(255,255,255,0.9); }
.crumb a:hover { text-decoration: underline; }
.crumb span { margin: 0 8px; color: rgba(255,255,255,0.5); }

/* ===== 区块通用 ===== */
.page-section { padding: 70px 0; }
.page-section.alt { background: #f4f9fa; }
.sec-head { text-align: center; margin-bottom: 46px; }
.sec-head h2 { font-size: 30px; color: #0a4a57; }
.sec-head .en {
  font-size: 13px; letter-spacing: 4px; color: #0f7d8c;
  text-transform: uppercase; margin-bottom: 8px;
}
.sec-head .line {
  width: 48px; height: 3px; background: #f08a2d; margin: 14px auto 0; border-radius: 2px;
}

/* ===== 列表页：产品分类导航 ===== */
.cat-tabs { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; margin-bottom: 44px; }
.cat-tabs a {
  padding: 9px 22px; border: 1px solid #d5e5e8; border-radius: 30px;
  font-size: 14px; color: #3d6b74; transition: all 0.2s;
}
.cat-tabs a:hover, .cat-tabs a.on { background: #0f7d8c; color: #fff; border-color: #0f7d8c; }

/* ===== 列表页：产品卡片网格 ===== */
.products-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 26px; }
.p-card { background: #fff; border-radius: 14px; overflow: hidden; border: 1px solid #e9f0f2; transition: all 0.25s; }
.p-card:hover { box-shadow: 0 10px 26px rgba(10,74,87,0.1); transform: translateY(-4px); }
.p-card .p-img { display: block; width: 100%; aspect-ratio: 1 / 1; overflow: hidden; background: #f7fbfc; }
.p-card img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.35s; }
.p-card:hover img { transform: scale(1.05); }
.p-info { padding: 18px 20px; }
.p-info h3 { font-size: 17px; color: #1d3034; margin-bottom: 6px; }
.p-info h3 a:hover { color: #0f7d8c; }
.p-tag { font-size: 13px; color: #0f7d8c; margin-bottom: 8px; }
.p-desc { font-size: 13px; color: #7a8f94; line-height: 1.7; margin-bottom: 10px; }
.p-more { font-size: 13px; color: #0f7d8c; }
.p-more:hover { color: #f08a2d; }

/* ===== 列表页：新闻列表行 ===== */
.news-list { display: flex; flex-direction: column; gap: 26px; max-width: 980px; margin: 0 auto; }
.news-row {
  display: flex; gap: 26px; background: #fff; border-radius: 12px; overflow: hidden;
  border: 1px solid #e9f0f2; transition: all 0.25s;
}
.news-row:hover { box-shadow: 0 10px 26px rgba(10,74,87,0.1); transform: translateY(-3px); }
.news-row .thumb { width: 300px; flex-shrink: 0; overflow: hidden; }
.news-row .thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s; }
.news-row:hover .thumb img { transform: scale(1.05); }
.news-row .info { padding: 24px 26px 20px 0; display: flex; flex-direction: column; }
.news-row .info h3 { font-size: 19px; color: #1d3034; margin-bottom: 10px; line-height: 1.5; }
.news-row .info h3 a:hover { color: #0f7d8c; }
.news-row .info .sum { font-size: 14px; color: #7a8f94; line-height: 1.8; margin-bottom: 14px; }
.news-row .info .meta { font-size: 13px; color: #9bb0b5; }
.news-row .info .more { margin-top: auto; align-self: flex-start; color: #0f7d8c; font-size: 14px; }
.news-row .info .more:hover { color: #f08a2d; }

/* ===== 分页 ===== */
.pagination { display: flex; justify-content: center; align-items: center; gap: 8px; margin-top: 52px; }
.pagination a, .pagination span {
  display: inline-flex; min-width: 40px; height: 40px; padding: 0 12px;
  align-items: center; justify-content: center;
  border: 1px solid #dce9eb; border-radius: 8px; font-size: 14px;
  color: #3d6b74; background: #fff; transition: all 0.2s;
}
.pagination a:hover { border-color: #0f7d8c; color: #0f7d8c; }
.pagination .on { background: #0f7d8c; color: #fff; border-color: #0f7d8c; }
.pagination .disabled { opacity: 0.45; pointer-events: none; }

/* ===== 产品详情页 ===== */
.pd-wrap { display: flex; gap: 50px; align-items: stretch; }
.pd-img {
  width: 420px; flex-shrink: 0; background: #f7fbfc; border-radius: 16px;
  padding: 24px; border: 1px solid #e6eff1;
}
.pd-img img { width: 100%; aspect-ratio: 1/1; object-fit: cover; border-radius: 10px; }
.pd-info { flex: 1; min-width: 0; display: flex; flex-direction: column; justify-content: center; }
.pd-info h1 { font-size: 30px; color: #0a4a57; margin-bottom: 8px; }
.pd-info .tagline {
  display: inline-block; background: #e8f4f6; color: #0f7d8c;
  font-size: 13px; padding: 4px 14px; border-radius: 20px; margin-bottom: 18px;
}
.pd-info .desc { font-size: 15px; color: #55686d; line-height: 1.9; margin-bottom: 22px; }
.pd-cta { margin-top: 28px; display: flex; gap: 14px; flex-wrap: wrap; }
.btn-primary {
  display: inline-block; background: #0f7d8c; color: #fff; padding: 12px 32px;
  border-radius: 6px; font-size: 15px; transition: all 0.2s; border: none; cursor: pointer;
}
.btn-primary:hover { background: #0a4a57; }
.btn-outline {
  display: inline-block; border: 1px solid #0f7d8c; color: #0f7d8c; padding: 12px 32px;
  border-radius: 6px; font-size: 15px; transition: all 0.2s;
}
.btn-outline:hover { background: #0f7d8c; color: #fff; }
.pd-detail { margin-top: 64px; background: #fff; border: 1px solid #e6eff1; border-radius: 16px; padding: 40px 42px; }
.pd-detail-title { font-size: 22px; color: #0a4a57; margin-bottom: 26px; padding-left: 14px; border-left: 4px solid #f08a2d; }
.pd-detail p { font-size: 15px; color: #55686d; line-height: 2.1; text-indent: 2em; }

/* ===== 新闻详情页 ===== */
.article { max-width: 860px; margin: 0 auto; }
.article-head { text-align: center; border-bottom: 1px solid #e9f0f2; padding-bottom: 26px; margin-bottom: 34px; }
.article-head h1 { font-size: 28px; color: #0a4a57; line-height: 1.5; margin-bottom: 14px; }
.article-head .meta { font-size: 14px; color: #9bb0b5; }
.article-body { font-size: 15px; color: #4a5c61; line-height: 2; }
.article-body p { margin-bottom: 20px; }
.article-body h3 { font-size: 18px; color: #0a4a57; margin: 26px 0 14px; }
.article-body img { border-radius: 10px; margin: 16px auto; }
.article-nav {
  display: flex; justify-content: space-between; gap: 20px; margin-top: 44px;
  padding-top: 24px; border-top: 1px solid #e9f0f2; font-size: 14px;
}
.article-nav a { color: #3d6b74; max-width: 46%; }
.article-nav a:hover { color: #0f7d8c; }
.article-nav .prev { order: 1; }
.article-nav .next { order: 2; text-align: right; }

/* ===== 单页栏目内容（关于我们 / 联系我们） ===== */
.page-content { max-width: 980px; margin: 0 auto; }
.page-content p { font-size: 15px; color: #55686d; line-height: 2.1; margin-bottom: 16px; text-indent: 2em; }
.page-content h2 { font-size: 24px; color: #0a4a57; margin: 28px 0 14px; }
.page-content h3 { font-size: 18px; color: #0a4a57; margin: 22px 0 12px; }
.page-content img { border-radius: 10px; margin: 16px auto; }
.page-content ul, .page-content ol { padding-left: 26px; margin-bottom: 16px; }
.page-content li { font-size: 15px; color: #55686d; line-height: 2; }

/* ===== 联系我们页 ===== */
.contact-grid { display: grid; grid-template-columns: 1fr; gap: 46px; align-items: start; margin-top: 40px; max-width: 860px; margin-left: auto; margin-right: auto; }
.contact-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.c-card { background: #fff; border-radius: 14px; padding: 24px; border: 1px solid #e6eff1; }
.c-card .ic {
  width: 44px; height: 44px; border-radius: 10px; background: #e8f4f6;
  display: flex; align-items: center; justify-content: center; margin-bottom: 14px;
}
.c-card .ic svg { width: 22px; height: 22px; stroke: #0f7d8c; fill: none; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.c-card h4 { font-size: 15px; color: #9bb0b5; font-weight: 500; margin-bottom: 8px; }
.c-card p { font-size: 16px; color: #1d3034; line-height: 1.6; }
.c-card .full { grid-column: 1 / -1; }
.contact-form {
  background: #fff; border-radius: 16px; padding: 34px; border: 1px solid #e6eff1;
  box-shadow: 0 8px 24px rgba(10,74,87,0.06);
}
.contact-form h3 { font-size: 22px; color: #0a4a57; margin-bottom: 6px; }
.contact-form .sub { font-size: 13px; color: #9bb0b5; margin-bottom: 22px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 16px; }
.form-group label { display: block; font-size: 13px; color: #66797e; margin-bottom: 6px; }
.form-group input, .form-group textarea {
  width: 100%; border: 1px solid #dce9eb; border-radius: 8px; padding: 12px 14px;
  font-size: 14px; font-family: inherit; color: #333; background: #fbfdfd; transition: border 0.2s;
}
.form-group input:focus, .form-group textarea:focus { outline: none; border-color: #0f7d8c; background: #fff; }
.form-group textarea { height: 130px; resize: vertical; }
.contact-form .btn-primary { width: 100%; margin-top: 6px; }
.contact-qr { display: flex; gap: 18px; align-items: center; margin-top: 26px; }
.contact-qr img { width: 110px; height: 110px; border-radius: 10px; border: 1px solid #e6eff1; padding: 6px; }
.contact-qr p { font-size: 13px; color: #7a8f94; line-height: 1.7; }
.about-card {
  background: #fff; border-radius: 14px; padding: 24px; border: 1px solid #e6eff1;
  box-shadow: 0 6px 18px rgba(10,74,87,0.06);
}
.about-card h3 { font-size: 17px; color: #0a4a57; margin-bottom: 12px; padding-left: 12px; border-left: 4px solid #f08a2d; }
.about-card p { font-size: 14px; color: #66797e; line-height: 1.9; }

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  .product-grid { grid-template-columns: repeat(2, 1fr); }
  .product-card:last-child:nth-child(odd) { grid-column: 1 / -1; }
  .product-card:last-child:nth-child(odd) .product-img { aspect-ratio: 1 / 1; max-width: 460px; margin: 0 auto; }
  .cert-grid { grid-template-columns: repeat(2, 1fr); gap: 30px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .banner h1 { font-size: 40px; }
  .products-grid { grid-template-columns: repeat(3, 1fr); }
  .pd-wrap { flex-direction: column; }
  .pd-img { width: 100%; max-width: 460px; margin: 0 auto; }
}
@media (max-width: 900px) {
  .about-grid { grid-template-columns: 1fr; gap: 40px; }
  .about-stats { order: -1; }
}
@media (max-width: 768px) {
  .topbar-inner { justify-content: center; height: auto; padding: 6px 0; gap: 0 16px; }
  .topbar .tb-mail { display: none; }
  .navbar-inner { height: 60px; }
  .hamburger { display: flex; z-index: 1001; }
  /* 右侧抽屉菜单 */
  .nav-menu {
    display: flex; position: fixed; top: 0; right: 0; bottom: 0;
    width: 280px; max-width: 82vw; background: #fff;
    flex-direction: column; align-items: stretch; gap: 0;
    padding: 76px 0 20px; margin: 0;
    box-shadow: -4px 0 20px rgba(0,0,0,0.15); z-index: 1000;
    transform: translateX(100%); transition: transform 0.28s ease;
    overflow-y: auto;
  }
  .nav-menu.open { transform: translateX(0); }
  .nav-menu li { border-bottom: 1px solid #f0f0f0; }
  .nav-menu li:last-child { border-bottom: none; }
  .nav-menu a { display: block; padding: 14px 24px; }
  .nav-menu a.active::after { display: none; }
  .nav-menu a.active { color: #0f7d8c; font-weight: 600; }
  .nav-menu .dropdown {
    display: none; position: static; transform: none; box-shadow: none;
    background: #f2f8f9; border-radius: 0; padding: 0; min-width: 0;
  }
  .nav-menu li.has-dropdown.open > .dropdown { display: block; }
  .nav-menu .dropdown li { border-bottom: 1px solid #e3eef0; }
  .nav-menu .dropdown a { padding: 12px 40px; text-align: left; }
  .nav-cta { margin: 10px 24px; text-align: center; padding: 12px !important; }
  .banner { height: 480px; }
  .banner h1 { font-size: 32px; }
  .banner p { font-size: 15px; }
  .section { padding: 56px 0; }
  .section-head h2 { font-size: 25px; }
  .product-grid { grid-template-columns: repeat(2, 1fr); gap: 14px; }
  .product-card:last-child:nth-child(odd) { grid-column: 1 / -1; }
  .product-card:last-child:nth-child(odd) .product-img { aspect-ratio: 1 / 1; max-width: 360px; margin: 0 auto; }
  .news-grid { grid-template-columns: 1fr; }
  .news-img { display: none; }
  .news-item { box-shadow: none; border: 1px solid #e3eef0; border-radius: 10px; }
  .news-body { padding: 16px 18px; }
  .news-body .date { margin-bottom: 6px; }
  .news-text-list { max-width: 100%; }
  .nt-item { flex-direction: column; align-items: flex-start; gap: 4px; padding: 14px 18px; }
  .nt-date { font-size: 12px; padding: 2px 10px; }
  .nt-title { font-size: 15px; white-space: normal; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; }
  .inquiry-wrap { padding: 30px 22px; }
  .inquiry-grid { grid-template-columns: 1fr; }
  .form-group.full { grid-column: auto; }
  .footer-grid { grid-template-columns: 1fr; gap: 30px; }
  .logo-text strong { font-size: 16px; }
  .logo-text span { font-size: 11px; }
  .page-banner { padding: 52px 0 40px; }
  .page-banner h1 { font-size: 25px; }
  .page-section { padding: 52px 0; }
  .sec-head h2 { font-size: 23px; }
  .products-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .news-row { flex-direction: column; }
  .news-row .thumb { width: 100%; height: 190px; }
  .news-row .info { padding: 18px 20px 20px; }
  .news-row .info h3 { font-size: 16px; }
  .pd-info h1 { font-size: 23px; }
  .pd-detail { padding: 26px 20px; margin-top: 46px; }
  .article-head h1 { font-size: 21px; }
  .article-nav { flex-direction: column; }
  .article-nav a { max-width: 100%; }
  .article-nav .next { text-align: left; }
  .contact-grid { grid-template-columns: 1fr; gap: 34px; }
  .contact-cards { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .contact-form { padding: 24px 20px; }
  .form-group input, .form-group textarea { font-size: 16px; }
  .pagination { margin-top: 40px; }
}
@media (max-width: 480px) {
  .products-grid { grid-template-columns: 1fr; }
}

/* ===== 区块更多按钮 ===== */
.sec-more { text-align: center; margin-top: 44px; }

/* ===== 分页兼容系统默认 ul.li 结构 ===== */
.pagination ul, .pagination li { list-style: none; margin: 0; padding: 0; }
.pagination li { display: inline-block; margin: 0 3px; }
.pagination li a, .pagination li span {
  display: inline-flex; min-width: 40px; height: 40px; padding: 0 12px;
  align-items: center; justify-content: center;
  border: 1px solid #dce9eb; border-radius: 8px; font-size: 14px;
  color: #3d6b74; background: #fff; transition: all 0.2s;
}
.pagination li a:hover { border-color: #0f7d8c; color: #0f7d8c; }
.pagination li.active span,
.pagination li.active a { background: #0f7d8c; color: #fff; border-color: #0f7d8c; }
.pagination li.disabled span { opacity: 0.45; pointer-events: none; }
.pagination .total { border: none; background: none; color: #7a8f94; }