/* ===================================================
   绿色企业网站系统 - 主样式表
   主色调：绿色 #2e7d32 / #43a047
   =================================================== */

:root {
  --green-900: #1b5e20;
  --green-800: #2e7d32;
  --green-700: #388e3c;
  --green-600: #43a047;
  --green-500: #4caf50;
  --green-400: #66bb6a;
  --green-300: #a5d6a7;
  --green-200: #c8e6c9;
  --green-100: #e8f5e9;
  --green-50:  #f1f8e9;
  --orange:    #ff9800;
  --orange-d:  #f57c00;
  --text:      #333;
  --text-2:    #555;
  --text-3:    #888;
  --border:    #e0e0e0;
  --bg:        #f8faf8;
  --white:     #fff;
  --shadow:    0 2px 12px rgba(46,125,50,.08);
  --shadow-h:  0 6px 24px rgba(46,125,50,.15);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: "Microsoft YaHei", "PingFang SC", "Helvetica Neue", Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.7;
  font-size: 14px;
}
a { color: var(--green-800); text-decoration: none; transition: color .2s; }
a:hover { color: var(--green-600); }
img { max-width: 100%; display: block; }
ul { list-style: none; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }

/* ====== 顶部条 ====== */
.topbar { background: var(--green-900); color: #dcedc8; font-size: 13px; padding: 8px 0; }
.topbar-inner { display: flex; justify-content: space-between; align-items: center; }
.topbar-left span { margin-right: 24px; }
.topbar .topbar-icon-img { height: 16px; width: auto; vertical-align: middle; margin-right: 4px; display: inline-block; }
.topbar a { color: #dcedc8; }
.topbar a:hover { color: #fff; }
.topbar .sep { margin: 0 8px; opacity: .5; }
.topbar .fav-link { color: #dcedc8; }
.topbar .fav-link:hover { color: #fff; }
/* 后台入口：伪装成一个小点，访客不易察觉，管理员知道点这里 */
.topbar .admin-dot {
  display: inline-block; margin-left: 10px; padding: 0 2px;
  font-size: 13px; line-height: 1; color: #5a7c5a; text-decoration: none;
  opacity: .35; transition: opacity .2s, color .2s;
}
.topbar .admin-dot:hover { opacity: 1; color: #fff; }

/* ====== 头部 ====== */
.site-header { background: #fff; box-shadow: var(--shadow); position: sticky; top: 0; z-index: 100; }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 84px; }
.logo { display: flex; align-items: center; gap: 12px; }
.logo-icon { font-size: 40px; }
.logo-icon-img { width: 40px; height: 40px; object-fit: contain; display: block; }
.logo-text { display: flex; flex-direction: column; line-height: 1.2; }
.logo-text strong { font-size: 22px; color: var(--green-800); letter-spacing: 1px; }
.logo-text em { font-size: 11px; color: var(--green-500); font-style: normal; letter-spacing: 2px; }

.main-nav > ul { display: flex; gap: 4px; }
.main-nav > ul > li { position: relative; }
.main-nav > ul > li > a {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  padding: 14px 20px; color: var(--text); font-size: 16px; font-weight: 500;
  position: relative; line-height: 1.2;
}
.main-nav .nav-main { font-size: 16px; font-weight: 500; }
.main-nav .nav-sub { font-size: 11px; color: var(--green-400); letter-spacing: 1px; font-weight: 400; margin-top: 3px; }
.main-nav > ul > li > a::after {
  content: ''; position: absolute; bottom: 0; left: 50%; width: 0; height: 3px;
  background: var(--green-600); transition: all .3s; transform: translateX(-50%);
}
.main-nav > ul > li:hover > a,
.main-nav > ul > li.active > a { color: var(--green-700); }
.main-nav > ul > li:hover > a .nav-sub,
.main-nav > ul > li.active > a .nav-sub { color: var(--green-600); }
.main-nav > ul > li:hover > a::after,
.main-nav > ul > li.active > a::after { width: 60%; }

.submenu {
  position: absolute; top: 100%; left: 0; min-width: 180px; background: #fff;
  box-shadow: var(--shadow-h); border-radius: 0 0 8px 8px; padding: 8px 0;
  opacity: 0; visibility: hidden; transform: translateY(10px); transition: all .25s;
}
.main-nav li:hover .submenu { opacity: 1; visibility: visible; transform: translateY(0); }
.submenu a { display: flex; flex-direction: column; padding: 10px 20px; color: var(--text-2); font-size: 14px; border-left: 3px solid transparent; }
.submenu a .nav-main { font-size: 14px; }
.submenu a .nav-sub { font-size: 10px; color: var(--green-400); margin-top: 2px; letter-spacing: .5px; }
.submenu a:hover { background: var(--green-50); color: var(--green-700); border-left-color: var(--green-600); }
.submenu a:hover .nav-sub { color: var(--green-600); }

.nav-toggle { display: none; background: none; border: none; font-size: 26px; color: var(--green-700); cursor: pointer; }

/* 语言切换器（顶部条） */
.lang-switch { display: inline-flex; align-items: center; gap: 4px; }
.lang-switch .lang-current { color: #fff; font-weight: 600; padding: 2px 6px; }
.lang-switch a { padding: 2px 6px; border-radius: 3px; color: #dcedc8; }
.lang-switch a:hover { background: rgba(255,255,255,.18); color: #fff; }

/* 中英双语并排小字（通用） */
.bi-sub { display: block; font-size: 12px; color: var(--green-500); font-weight: 400; margin-top: 3px; line-height: 1.4; }
.product-card h3 .bi-sub { font-size: 12px; color: var(--green-500); }
.news-info h3 .bi-sub { font-size: 12px; color: var(--green-500); margin-top: 4px; }

/* ====== 轮播图 ====== */
.banner { position: relative; height: 480px; overflow: hidden; background: var(--green-800); }
.banner-slides { position: relative; height: 100%; }
.banner-slide {
  position: absolute; inset: 0; display: flex; align-items: center; justify-content: center;
  opacity: 0; transition: opacity 1s ease; background-size: cover; background-position: center;
}
.banner-slide.active { opacity: 1; }
.banner-slide::before { content: ''; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(27,94,32,.85) 0%, rgba(46,125,50,.5) 60%, rgba(0,0,0,.2) 100%); }
.banner-content { position: relative; text-align: center; color: #fff; max-width: 760px; padding: 0 20px; z-index: 2; }
.banner-content h2 { font-size: 44px; font-weight: 700; margin-bottom: 16px; text-shadow: 0 2px 10px rgba(0,0,0,.3); }
.banner-content p { font-size: 20px; margin-bottom: 28px; opacity: .95; }
.banner-content .btn { display: inline-block; }
.banner-dots { position: absolute; bottom: 24px; left: 50%; transform: translateX(-50%); display: flex; gap: 10px; z-index: 3; }
.banner-dots span { width: 12px; height: 12px; border-radius: 50%; background: rgba(255,255,255,.5); cursor: pointer; transition: all .3s; }
.banner-dots span.active { background: #fff; width: 32px; border-radius: 6px; }

/* 轮播占位渐变背景 */
.banner-bg-1 { background: linear-gradient(135deg, #1b5e20, #43a047, #66bb6a); }
.banner-bg-2 { background: linear-gradient(135deg, #2e7d32, #00897b, #4caf50); }
.banner-bg-3 { background: linear-gradient(135deg, #1b5e20, #388e3c, #81c784); }

/* ====== 通用按钮 ====== */
.btn { display: inline-block; padding: 12px 32px; border-radius: 30px; font-size: 15px; font-weight: 500; transition: all .3s; cursor: pointer; border: none; }
.btn-primary { background: var(--green-600); color: #fff; }
.btn-primary:hover { background: var(--green-800); color: #fff; transform: translateY(-2px); box-shadow: 0 6px 18px rgba(67,160,71,.4); }
.btn-outline { background: transparent; color: #fff; border: 2px solid #fff; }
.btn-outline:hover { background: #fff; color: var(--green-700); }
.btn-orange { background: var(--orange); color: #fff; }
.btn-orange:hover { background: var(--orange-d); color: #fff; }
.btn-gray { background: #f3f6f3; color: var(--green-700); border: 1px solid var(--green-600); }
.btn-gray:hover { background: var(--green-600); color: #fff; transform: translateY(-2px); box-shadow: 0 6px 18px rgba(67,160,71,.25); }
.btn-consult { background: var(--green-600); color: #fff; padding: 14px 48px; border-radius: 4px; font-size: 16px; font-weight: 500; width: 100%; display: block; text-align: center; letter-spacing: 1px; }
.btn-consult:hover { background: var(--green-700); color: #fff; transform: translateY(-2px); box-shadow: 0 6px 18px rgba(46,125,50,.35); }

/* ====== 板块通用 ====== */
.section { padding: 64px 0; }
.section-alt { background: #fff; }
.section-title { text-align: center; margin-bottom: 48px; }
.section-title h2 { font-size: 32px; color: var(--text); margin-bottom: 12px; position: relative; display: inline-block; }
.section-title h2::after { content: ''; display: block; width: 60px; height: 4px; background: var(--green-500); margin: 12px auto 0; border-radius: 2px; }
.section-title p { color: var(--text-3); font-size: 15px; }
.section-title .en { display: block; font-size: 14px; color: var(--green-400); letter-spacing: 3px; margin-bottom: 8px; text-transform: uppercase; }

/* ====== 公司简介（首页） ====== */
.about-home { display: flex; gap: 48px; align-items: center; }
.about-home-img { flex: 1; border-radius: 12px; overflow: hidden; box-shadow: var(--shadow-h); aspect-ratio: 4/3; background: linear-gradient(135deg,var(--green-300),var(--green-600)); display:flex; align-items:center; justify-content:center; color:#fff; font-size:80px; }
.about-home-text { flex: 1; }
.about-home-text h3 { font-size: 26px; color: var(--green-800); margin-bottom: 20px; }
.about-home-text .desc { color: var(--text-2); margin-bottom: 24px; line-height: 2; }
.feature-list { display: grid; grid-template-columns: repeat(2,1fr); gap: 16px; margin-bottom: 24px; }
.feature-list li { display: flex; align-items: flex-start; gap: 10px; color: var(--text-2); }
.feature-list li::before { content: '✓'; color: var(--green-600); font-weight: 700; font-size: 18px; }

/* ====== 数据统计 ====== */
.stats { background: linear-gradient(135deg, var(--green-800), var(--green-600)); color: #fff; padding: 56px 0; }
.stats-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 24px; text-align: center; }
.stat-item .num { font-size: 48px; font-weight: 700; }
.stat-item .label { font-size: 15px; opacity: .9; margin-top: 4px; }

/* ====== 产品网格 ====== */
.product-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 28px; }
.product-card { background: #fff; border-radius: 10px; overflow: hidden; box-shadow: var(--shadow); transition: all .3s; border: 1px solid var(--border); }
.product-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-h); }
.product-card .thumb { aspect-ratio: 4/3; overflow: hidden; background: var(--green-100); display:flex; align-items:center; justify-content:center; }
.product-card .thumb .placeholder { font-size: 60px; color: var(--green-300); }
.product-card .thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s; }
.product-card:hover .thumb img { transform: scale(1.08); }
.product-card .info { padding: 18px 20px; }
.product-card .cat-tag { display: inline-block; font-size: 12px; color: var(--green-700); background: var(--green-100); padding: 2px 10px; border-radius: 10px; margin-bottom: 8px; }
.product-card h3 { font-size: 16px; color: var(--text); margin-bottom: 8px; }
.product-card .summary { font-size: 13px; color: var(--text-3); line-height: 1.6; overflow: hidden; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; }
.product-card .more { display: block; margin-top: 12px; color: var(--green-600); font-size: 13px; }

/* ====== 核心优势 ====== */
.advantage-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.advantage-card {
  background: #fff; border-radius: 12px; padding: 36px 24px; text-align: center;
  border: 1px solid var(--border); box-shadow: var(--shadow); transition: all .3s;
}
.advantage-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-h); border-color: var(--green-400); }
.advantage-card .advantage-icon { font-size: 48px; margin-bottom: 16px; line-height: 1; }
.advantage-card h3 { font-size: 18px; color: var(--text); margin-bottom: 10px; }
.advantage-card p { font-size: 14px; color: var(--text-3); line-height: 1.8; }
@media (max-width: 768px) { .advantage-grid { grid-template-columns: 1fr; } }

/* ====== 新闻 ====== */
.news-home { display: grid; grid-template-columns: 2fr 1fr; gap: 32px; }
.news-list-large .news-item { display: flex; gap: 20px; padding: 20px 0; border-bottom: 1px solid var(--border); }
.news-list-large .news-item:first-child { padding-top: 0; }
.news-date { flex-shrink: 0; text-align: center; background: var(--green-50); border-radius: 8px; padding: 10px 16px; min-width: 76px; }
.news-date .day { font-size: 28px; font-weight: 700; color: var(--green-700); line-height: 1; }
.news-date .ym { font-size: 12px; color: var(--text-3); margin-top: 4px; }
.news-info h3 { font-size: 17px; margin-bottom: 8px; }
.news-info h3 a { color: var(--text); }
.news-info h3 a:hover { color: var(--green-700); }
.news-info .summary { font-size: 13px; color: var(--text-3); line-height: 1.7; }

.news-list-side .news-item { padding: 12px 0; border-bottom: 1px dashed var(--border); display: flex; align-items: center; gap: 10px; }
.news-list-side .news-item::before { content: ''; width: 6px; height: 6px; background: var(--green-400); border-radius: 50%; flex-shrink: 0; }
.news-list-side .news-item a { color: var(--text-2); font-size: 14px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.news-list-side .news-item a:hover { color: var(--green-700); }

/* ====== 成功案例（首页） ====== */
.cases-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 28px; }
.case-card { background: #fff; border-radius: 10px; overflow: hidden; box-shadow: var(--shadow); transition: all .3s; border: 1px solid var(--border); }
.case-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-h); border-color: var(--green-400); }
.case-card .thumb { aspect-ratio: 4/3; overflow: hidden; background: var(--green-100); display:flex; align-items:center; justify-content:center; }
.case-card .thumb .placeholder { font-size: 60px; color: var(--green-300); }
.case-card .thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s; }
.case-card:hover .thumb img { transform: scale(1.08); }
.case-card .info { padding: 18px 20px; }
.case-card .info h3 { font-size: 17px; color: var(--text); margin-bottom: 8px; }
.case-card .info .summary { font-size: 13px; color: var(--text-3); line-height: 1.7; overflow: hidden; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; }

/* ====== 合作品牌（首页） ====== */
.partners-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 20px; }
.partner-card {
  background: #fff; border: 1px solid var(--border); border-radius: 10px;
  aspect-ratio: 16/9; display: flex; align-items: center; justify-content: center;
  padding: 14px; transition: all .3s; overflow: hidden; min-width: 0;
}
.partner-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-h); border-color: var(--green-400); }
.partner-card img { max-width: 100%; max-height: 100%; object-fit: contain; filter: grayscale(100%); opacity: .7; transition: all .3s; }
.partner-card:hover img { filter: grayscale(0); opacity: 1; }
.partner-card .partner-name { font-size: 14px; color: var(--text-2); font-weight: 600; text-align: center; line-height: 1.3; word-break: break-word; }
@media (max-width: 1024px) { .partners-grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 768px) {
  .cases-grid { grid-template-columns: 1fr; }
  .partners-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .partner-card { padding: 10px; }
}
/* 案例列表页：显示完整摘要 */
.cases-grid-full .case-card .summary { -webkit-line-clamp: unset; display: block; }
.empty-tip { text-align: center; color: var(--text-3); padding: 60px 0; font-size: 15px; }

/* ====== 联系首页条 ====== */
.cta-band { background: linear-gradient(135deg, var(--green-800), var(--green-600)); color: #fff; text-align: center; padding: 56px 20px; }
.cta-band h2 { font-size: 30px; margin-bottom: 12px; }
.cta-band p { font-size: 16px; opacity: .9; margin-bottom: 28px; }

/* ====== 内页头部 ====== */
.page-banner { height: 260px; background: linear-gradient(135deg, var(--green-900), var(--green-600)); display: flex; align-items: center; justify-content: center; color: #fff; text-align: center; position: relative; }
.page-banner::before { content: ''; position: absolute; inset: 0; background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='60' height='60'%3E%3Cpath d='M0 0h60v60H0z' fill='%23ffffff' fill-opacity='0.04'/%3E%3C/svg%3E"); }
.page-banner h1 { font-size: 36px; position: relative; }
.page-banner .sub { font-size: 16px; opacity: .85; margin-top: 8px; position: relative; letter-spacing: 4px; }

/* ====== 面包屑 ====== */
.breadcrumb { padding: 16px 0; color: var(--text-3); font-size: 13px; }
.breadcrumb a { color: var(--text-3); }
.breadcrumb a:hover { color: var(--green-600); }
.breadcrumb .sep { margin: 0 8px; color: #ccc; }
.breadcrumb .current { color: var(--green-700); }

/* ====== 内容布局 ====== */
.page-wrap { padding: 40px 0 64px; }
.content-box { background: #fff; padding: 40px; border-radius: 10px; box-shadow: var(--shadow); }
.content-box h2, .content-box h3 { color: var(--green-800); margin: 20px 0 12px; }
.content-box p { margin-bottom: 14px; color: var(--text-2); line-height: 2; }
.content-box ul { padding-left: 20px; margin-bottom: 14px; }
.content-box li { list-style: disc; color: var(--text-2); margin-bottom: 6px; }

/* ====== 分类筛选 ====== */
.filter-bar { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 32px; }
.filter-bar a { padding: 8px 22px; border-radius: 20px; background: #fff; border: 1px solid var(--border); color: var(--text-2); font-size: 14px; }
.filter-bar a:hover, .filter-bar a.active { background: var(--green-600); color: #fff; border-color: var(--green-600); }

/* ====== 产品详情 ====== */
.product-detail { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; background: #fff; padding: 36px; border-radius: 10px; box-shadow: var(--shadow); }
.product-detail .gallery { aspect-ratio: 1; background: var(--green-100); border-radius: 8px; display:flex; align-items:center; justify-content:center; font-size:100px; color:var(--green-300); }
.product-detail .gallery img { width: 100%; height: 100%; object-fit: cover; border-radius: 8px; }
.product-detail h1 { font-size: 26px; color: var(--text); margin-bottom: 12px; }
.product-detail .model { color: var(--text-3); margin-bottom: 16px; }
.product-detail .price { font-size: 24px; color: var(--orange-d); margin-bottom: 20px; }
.product-detail .summary { color: var(--text-2); line-height: 2; padding: 16px; background: var(--green-50); border-radius: 8px; margin-bottom: 24px; }
.product-detail .btn { margin-top: 8px; }

/* ====== 新闻详情 ====== */
.article-meta { color: var(--text-3); font-size: 13px; border-bottom: 1px solid var(--border); padding-bottom: 16px; margin-bottom: 24px; }
.article-meta span { margin-right: 20px; }
.article-body { font-size: 15px; color: var(--text-2); line-height: 2; }
.article-body p { margin-bottom: 16px; }
.article-body img { margin: 16px auto; border-radius: 8px; }
.article-nav { display: flex; justify-content: space-between; margin-top: 40px; padding-top: 24px; border-top: 1px solid var(--border); }
.article-nav a { color: var(--text-2); }

/* ====== 联系页 ====== */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; }
.contact-info .item { display: flex; gap: 16px; margin-bottom: 24px; }
.contact-info .icon { width: 52px; height: 52px; border-radius: 50%; background: var(--green-100); display: flex; align-items: center; justify-content: center; font-size: 22px; flex-shrink: 0; }
.contact-info .icon.g { background: var(--green-600); color: #fff; }
.contact-info h4 { font-size: 15px; color: var(--text-3); margin-bottom: 4px; }
.contact-info p { font-size: 17px; color: var(--text); }

.consult-title { text-align: center; font-size: 22px; color: var(--text); margin-top: 0; margin-bottom: 24px; font-weight: 600; }
.consult-flash { padding: 12px; border-radius: 6px; margin-bottom: 20px; font-size: 14px; }
.consult-flash.success { background: #e8f5e9; color: #2e7d32; }
.consult-flash.error { background: #ffebee; color: #c62828; }
.consult-form .form-row { margin-bottom: 18px; }
.consult-form .form-row.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.consult-form .field label { display: block; font-size: 14px; font-weight: 600; color: var(--text); margin-bottom: 8px; }
.consult-form .field input,
.consult-form .field select,
.consult-form .field textarea {
  width: 100%; padding: 12px 14px; border: 1px solid var(--border); border-radius: 6px;
  font-size: 14px; font-family: inherit; background: #fff; color: var(--text);
}
.consult-form .field input:focus,
.consult-form .field select:focus,
.consult-form .field textarea:focus { outline: none; border-color: var(--green-500); box-shadow: 0 0 0 3px rgba(67,160,71,.12); }
.consult-form .field input::placeholder,
.consult-form .field textarea::placeholder { color: #aaa; }
.consult-form .field select { appearance: auto; height: 45px; cursor: pointer; }
.consult-form .field textarea { height: 120px; resize: vertical; }


/* ====== 分页 ====== */
.pagination { display: flex; justify-content: center; gap: 6px; margin-top: 40px; }
.pagination a, .pagination span { display: inline-block; min-width: 38px; height: 38px; line-height: 38px; padding: 0 10px; text-align: center; border-radius: 6px; font-size: 14px; }
.pagination a { background: #fff; border: 1px solid var(--border); color: var(--text-2); }
.pagination a:hover { background: var(--green-50); border-color: var(--green-400); color: var(--green-700); }
.pagination .current { background: var(--green-600); color: #fff; border: 1px solid var(--green-600); }
.pagination .disabled { background: #f5f5f5; color: #ccc; border: 1px solid var(--border); cursor: not-allowed; }

/* ====== 页脚 ====== */
.site-footer { background: #1a2e1a; color: #b8c9b8; padding-top: 56px; }
.footer-inner { display: grid; grid-template-columns: 2fr 1fr 1fr 1.5fr; gap: 40px; padding-bottom: 40px; }
.footer-col h3 { color: #fff; font-size: 18px; margin-bottom: 16px; }
.footer-col h4 { color: #fff; font-size: 15px; margin-bottom: 16px; }
.footer-col p { font-size: 13px; line-height: 1.9; margin-bottom: 8px; }
.footer-col ul li { margin-bottom: 8px; }
.footer-col ul li a { color: #b8c9b8; font-size: 13px; }
.footer-col ul li a:hover { color: var(--green-400); }
.footer-about p { color: #8fae8f; }
.footer-bottom { border-top: 1px solid #2d4a2d; padding: 18px 0; font-size: 13px; color: #8fae8f; line-height: 1.8; }
.footer-bottom .container { display: flex; flex-wrap: wrap; justify-content: center; gap: 6px 16px; }
.footer-bottom p { margin: 0 0 6px 0; width: 100%; }
/* 富文本自定义内容：块级子元素占满整行，使编辑器里设置的 text-align（居中/左/右）在前台生效 */
.footer-bottom .container > div,
.footer-bottom .container > p,
.footer-bottom .container > h1,
.footer-bottom .container > h2,
.footer-bottom .container > h3,
.footer-bottom .container > h4,
.footer-bottom .container > h5,
.footer-bottom .container > h6,
.footer-bottom .container > blockquote,
.footer-bottom .container > ul,
.footer-bottom .container > ol { width: 100%; margin: 0 0 6px 0; }
.footer-bottom a { color: #8fae8f; text-decoration: none; }
.footer-bottom a:hover { color: var(--green-400); }
.footer-bottom .icp { margin-left: 16px; }
.footer-bottom .icp a { color: #8fae8f; }
.footer-col .bi-sub { color: #8bc34a; font-size: 11px; margin-top: 2px; }
.footer-qr { margin-top: 16px; display: inline-flex; flex-direction: column; align-items: flex-start; }
.footer-qr img { width: 96px; height: 96px; object-fit: cover; border-radius: 8px; background: #fff; padding: 4px; display: block; }
.footer-qr span { display: block; margin-top: 4px; font-size: 12px; color: #8fae8f; line-height: 1.4; }

/* ====== 通用工具 ====== */
.text-center { text-align: center; }
.mt-40 { margin-top: 40px; }
.empty { text-align: center; padding: 60px 20px; color: var(--text-3); }

/* ====== 右下方悬浮功能条（可展开/收起，后台可配置图标与弹出图片） ====== */
.float-bar {
  position: fixed;
  right: 14px;
  bottom: 120px;
  left: auto;
  top: auto;
  transform: none;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 10px;
  align-items: flex-end;
}
.float-bar .float-item {
  transition: opacity .3s ease, transform .3s cubic-bezier(.34,1.56,.64,1), max-height .3s ease, margin .3s ease;
}
/* 默认收起：只显示收缩按钮，其他按钮隐藏 */
.float-bar:not(.float-bar-open) .float-expanded-btn {
  opacity: 0;
  transform: scale(0) rotate(-90deg);
  max-height: 0;
  margin-top: -10px;
  pointer-events: none;
}
/* 展开后：隐藏收缩按钮，显示7个按钮（依次出现） */
.float-bar.float-bar-open .float-collapsed {
  opacity: 0;
  transform: scale(0);
  max-height: 0;
  margin-top: -10px;
  pointer-events: none;
}
.float-bar.float-bar-open .float-expanded-btn {
  opacity: 1;
  transform: scale(1) rotate(0deg);
  max-height: 100px;
  margin-top: 0;
  pointer-events: auto;
}
/* 展开时按钮依次出现的延迟动画 */
.float-bar.float-bar-open .float-expanded-btn:nth-child(2) { transition-delay: .02s; }
.float-bar.float-bar-open .float-expanded-btn:nth-child(3) { transition-delay: .06s; }
.float-bar.float-bar-open .float-expanded-btn:nth-child(4) { transition-delay: .10s; }
.float-bar.float-bar-open .float-expanded-btn:nth-child(5) { transition-delay: .14s; }
.float-bar.float-bar-open .float-expanded-btn:nth-child(6) { transition-delay: .18s; }
.float-bar.float-bar-open .float-expanded-btn:nth-child(7) { transition-delay: .22s; }
.float-bar.float-bar-open .float-expanded-btn:nth-child(8) { transition-delay: .26s; }

.float-item {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: var(--green-600, #43a047);
  color: #fff;
  box-shadow: 0 4px 14px rgba(0,0,0,.18);
  transition: all .25s ease;
  cursor: pointer;
}
.float-item:hover {
  background: var(--green-700, #2e7d32);
  transform: scale(1.1);
  box-shadow: 0 6px 20px rgba(0,0,0,.28);
}
/* 收缩按钮呼吸动画（吸引点击展开） */
.float-collapsed {
  animation: floatBreathe 2.5s ease-in-out infinite;
}
@keyframes floatBreathe {
  0%, 100% { box-shadow: 0 4px 14px rgba(67,160,71,.35); }
  50% { box-shadow: 0 4px 22px rgba(67,160,71,.65), 0 0 0 4px rgba(67,160,71,.12); }
}
.float-collapsed:hover { animation: none; }

/* 品牌色：各社交平台按钮 */
.float-btn-wechat { background: #07c160; }
.float-btn-wechat:hover { background: #06ad56; }
.float-btn-douyin { background: #000; }
.float-btn-douyin:hover { background: #222; }
.float-btn-xhs { background: #ff2442; }
.float-btn-xhs:hover { background: #e61f3b; }
.float-btn-youtube { background: #ff0000; }
.float-btn-youtube:hover { background: #cc0000; }

.float-icon {
  font-size: 22px;
  line-height: 1;
}
.float-icon-img {
  width: 28px;
  height: 28px;
  object-fit: contain;
  display: block;
  border-radius: 50%;
}
.float-label {
  position: absolute;
  left: 100%;
  top: 50%;
  transform: translate(8px, -50%);
  white-space: nowrap;
  background: rgba(0,0,0,.78);
  color: #fff;
  padding: 5px 12px;
  border-radius: 4px;
  font-size: 12px;
  opacity: 0;
  visibility: hidden;
  transition: all .2s;
  pointer-events: none;
}
.float-item:hover .float-label {
  opacity: 1;
  visibility: visible;
  transform: translate(12px, -50%);
}
/* 回顶按钮：仅在展开状态 + 滚动超过阈值时显示 */
#floatGoTop {
  opacity: 0;
  visibility: hidden;
  transition: opacity .3s, visibility .3s, transform .3s cubic-bezier(.34,1.56,.64,1), max-height .3s ease, margin .3s ease;
}
.float-bar.float-bar-open #floatGoTop.show {
  opacity: 1;
  visibility: visible;
}

/* 悬浮条弹出层（图片 + 文字） */
.float-item[aria-haspopup="true"] { position: relative; }
.float-pop {
  position: absolute;
  right: 62px;
  top: 50%;
  transform: translateY(-50%) scale(0.92);
  transform-origin: right center;
  width: 180px;
  padding: 14px;
  background: #fff;
  border-radius: 10px;
  box-shadow: 0 8px 28px rgba(0,0,0,.2);
  opacity: 0;
  visibility: hidden;
  transition: all .25s ease;
  z-index: 10000;
  text-align: center;
  pointer-events: none;
}
/* 弹出层指向按钮的小三角箭头 */
.float-pop::after {
  content: '';
  position: absolute;
  right: -7px;
  top: 50%;
  transform: translateY(-50%);
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 7px 0 7px 7px;
  border-color: transparent transparent transparent #fff;
}
.float-pop img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 6px;
}
.float-pop-text {
  display: block;
  margin-top: 8px;
  color: #333;
  font-size: 13px;
  line-height: 1.5;
}
.float-item:hover .float-pop,
.float-item.float-pop-active .float-pop {
  opacity: 1;
  visibility: visible;
  transform: translateY(-50%) scale(1);
}
/* 底部按钮弹出层上移，防止被视窗裁剪 */
.float-bar .float-expanded-btn:nth-last-child(1) .float-pop,
.float-bar .float-expanded-btn:nth-last-child(2) .float-pop {
  top: auto;
  bottom: 0;
  transform: scale(0.92);
  transform-origin: right bottom;
}
.float-bar .float-expanded-btn:nth-last-child(1) .float-pop::after,
.float-bar .float-expanded-btn:nth-last-child(2) .float-pop::after {
  top: auto;
  bottom: 16px;
  transform: none;
}
.float-bar .float-expanded-btn:nth-last-child(1):hover .float-pop,
.float-bar .float-expanded-btn:nth-last-child(1).float-pop-active .float-pop,
.float-bar .float-expanded-btn:nth-last-child(2):hover .float-pop,
.float-bar .float-expanded-btn:nth-last-child(2).float-pop-active .float-pop {
  transform: scale(1);
}

/* 视频弹窗 */
.video-modal {
  position: fixed;
  inset: 0;
  z-index: 100000;
  display: none;
  align-items: center;
  justify-content: center;
}
.video-modal.open { display: flex; }
.video-modal-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,.6);
}
.video-modal-box {
  position: relative;
  background: #fff;
  border-radius: 10px;
  width: 90%;
  max-width: 640px;
  padding: 24px;
  box-shadow: 0 20px 50px rgba(0,0,0,.3);
  animation: modalIn .3s ease;
}
.video-modal-box h3 {
  margin: 0 0 16px;
  font-size: 18px;
  color: var(--green-800);
}
.video-modal-close {
  position: absolute;
  right: 12px;
  top: 8px;
  background: none;
  border: none;
  font-size: 28px;
  color: var(--text-3);
  cursor: pointer;
  line-height: 1;
}
.video-modal-close:hover { color: var(--text); }
.video-placeholder {
  min-height: 220px;
  background: #f5f5f5;
  border-radius: 8px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  color: var(--text-3);
}
.video-placeholder span { font-size: 56px; }
.video-placeholder p { margin: 0; font-size: 14px; }
@keyframes modalIn {
  from { opacity: 0; transform: translateY(-20px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ====== 产品详情页（左右两栏，参考 szjym.com） ====== */
.product-layout { display: grid; grid-template-columns: 240px 1fr; gap: 30px; align-items: start; }
.product-sidebar { position: sticky; top: 20px; display: flex; flex-direction: column; gap: 20px; }
.sidebar-block { background: #fff; border-radius: 10px; box-shadow: var(--shadow); overflow: hidden; }
.sidebar-block .sb-title {
  background: linear-gradient(135deg, var(--green-700), var(--green-500));
  color: #fff; padding: 14px 18px; font-size: 16px; font-weight: 600;
  display: flex; align-items: center; gap: 8px;
}
.sidebar-block .sb-title .ico { font-size: 18px; }
.cat-nav { padding: 8px 0; }
.cat-nav li a {
  display: flex; justify-content: space-between; align-items: center;
  padding: 12px 20px; color: var(--text-2); font-size: 14px;
  border-left: 3px solid transparent; transition: all .2s;
}
.cat-nav li a:hover, .cat-nav li a.active {
  background: var(--green-50); color: var(--green-700); border-left-color: var(--green-600);
}
.cat-nav li a .cnt { font-size: 12px; color: var(--text-3); background: #f0f0f0; padding: 1px 8px; border-radius: 10px; }
.cat-nav li a.active .cnt { background: var(--green-600); color: #fff; }

/* 联系卡片 */
.contact-card .sb-body { padding: 18px 20px; }
.contact-card .ci-item { margin-bottom: 16px; }
.contact-card .ci-item:last-child { margin-bottom: 0; }
.contact-card .ci-label { font-size: 12px; color: var(--text-3); margin-bottom: 4px; display: flex; align-items: center; gap: 6px; }
.contact-card .ci-label .ico { color: var(--green-600); }
.contact-card .ci-value { font-size: 15px; color: var(--text); font-weight: 500; line-height: 1.5; word-break: break-all; }
.contact-card .ci-value.big { font-size: 20px; color: var(--green-700); font-weight: 700; }
.contact-card .ci-btn {
  display: block; text-align: center; margin-top: 8px;
  padding: 10px; background: var(--green-600); color: #fff; border-radius: 6px;
  font-size: 14px; font-weight: 500; transition: background .2s;
}
.contact-card .ci-btn:hover { background: var(--green-700); }

/* 右栏主体 */
.product-main { min-width: 0; }
.product-top {
  display: grid; grid-template-columns: 420px 1fr; gap: 32px;
  background: #fff; padding: 30px; border-radius: 10px; box-shadow: var(--shadow);
}
.product-top .gallery {
  display: flex; flex-direction: column; gap: 12px;
}
.product-top .gallery-main {
  aspect-ratio: 1; background: var(--green-100); border-radius: 8px; overflow: hidden;
  display: flex; align-items: center; justify-content: center;
  font-size: 100px; color: var(--green-300); border: 1px solid var(--border);
}
.product-top .gallery-main img { width: 100%; height: 100%; object-fit: cover; }
.product-top .gallery-empty { font-size: 100px; color: var(--green-300); }
.product-top .gallery-thumbs { display: flex; gap: 8px; flex-wrap: wrap; }
.product-top .gallery-thumbs .thumb {
  width: 64px; height: 64px; border-radius: 6px; overflow: hidden;
  border: 2px solid var(--border); cursor: pointer; flex-shrink: 0;
  background: var(--green-100); display: block;
}
.product-top .gallery-thumbs .thumb img { width: 100%; height: 100%; object-fit: cover; }
.product-top .gallery-thumbs .thumb.active { border-color: var(--green-600); }
.product-top .gallery-thumbs .thumb:hover { border-color: var(--green-500); }
.product-top .info { display: flex; flex-direction: column; }
.product-top .cat-tag {
  display: inline-block; align-self: flex-start; font-size: 12px; color: var(--green-700);
  background: var(--green-100); padding: 3px 12px; border-radius: 12px; margin-bottom: 12px;
}
.product-top h1 { font-size: 24px; color: var(--text); margin-bottom: 12px; line-height: 1.4; }
.product-top h1 .bi-sub { display: block; font-size: 14px; color: var(--green-500); margin-top: 4px; }
.product-top .meta-line { color: var(--text-3); font-size: 14px; margin-bottom: 12px; display: flex; gap: 20px; flex-wrap: wrap; align-items: center; }
.product-top .meta-line .views-count { color: var(--text-3); font-size: 13px; }
.product-top .price {
  font-size: 26px; color: var(--orange-d); font-weight: 700; margin-bottom: 16px;
  padding-bottom: 16px; border-bottom: 1px dashed var(--border);
}
.product-top .summary { color: var(--text-2); line-height: 1.9; font-size: 14px; margin-bottom: 20px; white-space: pre-wrap; word-wrap: break-word; }
.product-top .action-btns { display: flex; gap: 12px; flex-wrap: wrap; margin-top: auto; }
.product-top .action-btns .btn { flex: 1 1 0; min-width: 130px; padding: 12px 24px; white-space: nowrap; text-align: center; }

/* Tab 详情区 */
.tab-box { background: #fff; border-radius: 10px; box-shadow: var(--shadow); margin-top: 24px; overflow: hidden; }
.tab-bar { display: flex; border-bottom: 2px solid var(--border); background: #fafdfa; }
.tab-bar .tab-item {
  padding: 14px 32px; font-size: 15px; color: var(--text-2); cursor: pointer;
  border-bottom: 3px solid transparent; margin-bottom: -2px; transition: all .2s;
  font-weight: 500;
}
.tab-bar .tab-item:hover { color: var(--green-600); }
.tab-bar .tab-item.active { color: var(--green-700); border-bottom-color: var(--green-600); font-weight: 600; }
.tab-content { padding: 30px 32px; }
.tab-pane { display: none; }
.tab-pane.active { display: block; }
.tab-pane h2, .tab-pane h3 { color: var(--green-800); margin: 20px 0 12px; }
.tab-pane h2:first-child, .tab-pane h3:first-child { margin-top: 0; }
.tab-pane p { color: var(--text-2); line-height: 2; margin-bottom: 14px; }
.tab-pane ul { padding-left: 22px; margin-bottom: 14px; }
.tab-pane li { color: var(--text-2); margin-bottom: 8px; line-height: 1.8; }
.tab-pane table { width: 100%; border-collapse: collapse; margin: 12px 0; }
.tab-pane table th, .tab-pane table td { border: 1px solid var(--border); padding: 10px 14px; text-align: left; font-size: 14px; }
.tab-pane table th { background: var(--green-50); color: var(--green-800); font-weight: 600; }
.tab-pane table td { color: var(--text-2); }

/* 咨询方式 Tab 内容 */
.inquiry-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.inquiry-item { padding: 18px 20px; background: var(--green-50); border-radius: 8px; border-left: 4px solid var(--green-500); }
.inquiry-item .iq-label { font-size: 13px; color: var(--text-3); margin-bottom: 6px; }
.inquiry-item .iq-value { font-size: 16px; color: var(--text); font-weight: 500; word-break: break-all; }
.inquiry-item .iq-value.big { font-size: 22px; color: var(--green-700); font-weight: 700; }

/* 上一个/下一个产品导航 */
.product-pager {
  display: flex; justify-content: space-between; gap: 16px;
  margin-top: 24px; padding: 18px 24px; background: #fff; border-radius: 10px; box-shadow: var(--shadow);
}
.product-pager .pp-item { flex: 1; min-width: 0; }
.product-pager .pp-item.right { text-align: right; }
.product-pager .pp-label { font-size: 12px; color: var(--text-3); margin-bottom: 4px; }
.product-pager .pp-title { font-size: 14px; color: var(--text); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.product-pager .pp-item a { display: block; }
.product-pager .pp-item a:hover .pp-title { color: var(--green-600); }
.product-pager .pp-empty { color: #ccc; font-size: 14px; }

/* 相关产品 */
.related-section { margin-top: 40px; }
.related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }

/* 响应式 */
@media (max-width: 992px) {
  .product-layout { grid-template-columns: 1fr; }
  .product-sidebar { position: static; flex-direction: row; flex-wrap: wrap; }
  .product-sidebar .sidebar-block { flex: 1; min-width: 260px; }
  .product-top { grid-template-columns: 1fr; }
  .product-top .gallery { max-width: 380px; margin: 0 auto; }
  .inquiry-list { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  .related-grid { grid-template-columns: 1fr; }
  .product-pager { flex-direction: column; gap: 12px; }
  .product-pager .pp-item.right { text-align: left; }
  .tab-bar .tab-item { flex: 1; padding: 12px 16px; text-align: center; }
  .tab-content { padding: 20px 18px; }
  .product-top { padding: 20px; }
}