/* ============================================================
   四川商舟实业有限公司 — 主题样式 (明亮生态企业版)
   设计风格：现代实业 · 绿色环保 · 明亮大气 · 专业展示型
   ============================================================ */

/* ── Google Fonts ── */
@import url('https://gs.jurieo.com/gemini/fonts-googleapis/css2?family=Noto+Serif+SC:wght@400;500;600;700&family=Rajdhani:wght@400;500;600;700&display=swap');

/* ============================================================
   CSS 变量 & 主题色
   ============================================================ */
:root {
  /* 主色系 - 明亮清透 */
  --c-bg:          #ffffff;        /* 纯白主背景 */
  --c-bg2:         #f8fafc;        /* 极浅的灰蓝色（用于区分区块） */
  --c-bg3:         #ffffff;        /* 卡片白 */
  --c-surface:     #f1f5f9;        /* 表面层（悬停底色） */
  --c-border:      #e2e8f0;        /* 柔和的边框线 */

  /* 品牌色 - 生态磷矿绿 */
  --c-accent:      #058c63;        /* 核心品牌绿，明亮且易读 */
  --c-accent2:     #046c4e;        /* 悬停深绿 */
  --c-gold:        #d4af37;        /* 辅助金 */
  --c-glow:        rgba(5, 140, 99, 0.06); /* 柔和浅绿背景 */

  /* 文本色 - 高清晰度 */
  --c-text:        #475569;        /* 正文灰，阅读不刺眼 */
  --c-text2:       #64748b;        /* 辅助次要文字 */
  --c-heading:     #0f172a;        /* 标题深色（接近纯黑） */
  --c-white:       #ffffff;        /* 纯白（用于反色、遮罩文字等） */

  /* 字体 */
  --font-serif:    'Noto Serif SC', 'SimSun', serif;
  --font-display:  'Rajdhani', 'Impact', sans-serif;
  --font-body:     'Noto Serif SC', 'Microsoft YaHei', sans-serif;

  /* 间距 */
  --space-xs:  0.5rem;
  --space-sm:  1rem;
  --space-md:  2rem;
  --space-lg:  4rem;
  --space-xl:  7rem;

  /* 圆角 */
  --radius-sm: 4px;
  --radius-md: 10px;
  --radius-lg: 20px;

  /* 动效 */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.4, 0, 0.2, 1);
}

/* ============================================================
   全局重置
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
}

body {
  font-family: var(--font-body);
  background-color: var(--c-bg);
  color: var(--c-text);
  line-height: 1.75;
  overflow-x: hidden;
}

img { display: block; max-width: 100%; height: auto; }
a { color: var(--c-accent); text-decoration: none; transition: color .2s; }
a:hover { color: var(--c-accent2); }
ul { list-style: none; }

/* ============================================================
   辅助类
   ============================================================ */
.pt30 { height: 30px; }
.container { max-width: 1260px; margin: 0 auto; padding: 0 20px; }

/* 纹理层（极淡的杂色叠加，增加质感而不显脏） */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image:
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='400' height='400'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='400' height='400' filter='url(%23n)' opacity='0.04'/%3E%3C/svg%3E");
  opacity: 0.02;
  pointer-events: none;
  z-index: 0;
}

/* ============================================================
   导航栏
   ============================================================ */
.nav-wrapper {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 0;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(16px) saturate(180%);
  -webkit-backdrop-filter: blur(16px) saturate(180%);
  border-bottom: 1px solid var(--c-border);
  transition: box-shadow .3s, background .3s;
}

.nav-wrapper.scrolled {
  background: rgba(255, 255, 255, 0.98);
  box-shadow: 0 4px 20px rgba(0,0,0,0.04);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 24px;
}

/* Logo */
.logo a { display: flex; align-items: center; }
.logo img { height: 46px; width: auto; }

/* 顶部导航 */
.top-nav ul { display: flex; gap: 4px; align-items: center; }
.top-nav li { position: relative; }

.top-nav > ul > li > a {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 8px 14px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--c-text);
  border-radius: var(--radius-sm);
  transition: color .2s, background .2s;
  white-space: nowrap;
  letter-spacing: 0.05em;
}

.top-nav li.active > a,
.top-nav > ul > li > a:hover {
  color: var(--c-accent);
  background: var(--c-glow);
}

.top-nav li.active > a::after {
  content: '';
  position: absolute;
  bottom: -1px; left: 50%;
  transform: translateX(-50%);
  width: 20px; height: 2px;
  background: var(--c-accent);
  border-radius: 2px;
}

/* 下拉菜单 */
.nav-dropdown {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(8px);
  min-width: 160px;
  background: rgba(255, 255, 255, 0.98);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-md);
  padding: 12px 0 8px; 
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity .25s var(--ease-out), transform .25s var(--ease-out), visibility .25s;
  box-shadow: 0 12px 30px rgba(0,0,0,0.08), 0 0 0 1px rgba(5, 140, 99, 0.05);
  backdrop-filter: blur(20px);
}

.nav-dropdown a {
  display: block;
  padding: 9px 20px;
  font-size: 0.9rem;
  color: var(--c-text);
  white-space: nowrap;
  border-left: 2px solid transparent;
  transition: all .2s;
}

.nav-dropdown a:hover {
  color: var(--c-accent);
  border-left-color: var(--c-accent);
  background: var(--c-glow);
  padding-left: 24px;
}

.top-nav li:hover .nav-dropdown {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateX(-50%) translateY(0);
}

.nav-dropdown--empty { display: none; }
.fa-angle-down { font-size: 0.75em; transition: transform .25s; }
.top-nav li:hover .fa-angle-down { transform: rotate(180deg); }

/* 汉堡菜单 (移动端) */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px; height: 40px;
  background: none;
  border: 1px solid var(--c-border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  padding: 0 10px;
}

.hamburger span {
  display: block;
  width: 100%; height: 2px;
  background: var(--c-heading);
  border-radius: 2px;
  transition: all .3s var(--ease-out);
}

.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* 移动端菜单 */
.mobile-nav {
  position: fixed;
  top: 72px; right: -100%;
  width: 280px; height: calc(100vh - 72px);
  background: rgba(248, 250, 252, 0.98);
  border-left: 1px solid var(--c-border);
  backdrop-filter: blur(20px);
  z-index: 999;
  overflow-y: auto;
  transition: right .35s var(--ease-out);
  padding: 20px 0;
  box-shadow: -10px 0 30px rgba(0,0,0,0.05);
}

.mobile-nav.open { right: 0; }
.mobile-nav ul { padding: 0; }
.mobile-nav li a {
  display: block;
  padding: 14px 28px;
  color: var(--c-heading);
  font-size: 0.98rem;
  border-bottom: 1px solid var(--c-border);
  transition: all .2s;
}
.mobile-nav li.active a,
.mobile-nav li a:hover {
  color: var(--c-accent);
  background: var(--c-glow);
  padding-left: 36px;
}

/* ============================================================
   返回顶部
   ============================================================ */
#back-to-top {
  position: fixed;
  bottom: 36px; right: 32px;
  width: 46px; height: 46px;
  background: var(--c-bg3);
  border: 1px solid var(--c-border);
  border-radius: 50%;
  color: var(--c-accent);
  font-size: 1rem;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  opacity: 0; visibility: hidden;
  transform: translateY(12px);
  transition: all .3s var(--ease-out);
  z-index: 800;
  box-shadow: 0 4px 20px rgba(0,0,0,0.08);
}
#back-to-top.show { opacity: 1; visibility: visible; transform: translateY(0); }
#back-to-top:hover {
  background: var(--c-accent);
  color: var(--c-white);
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(5, 140, 99, 0.25);
}

/* ============================================================
   首页 Banner 轮播 (无渐变遮罩版)
   ============================================================ */
.banner-swiper {
  position: relative;
  width: 100%;
  height: 620px;
  margin-top: 72px;
  overflow: hidden;
}

.banner-swiper .swiper-slide { position: relative; overflow: hidden; }

.banner-swiper .swiper-slide img {
  width: 100%;
  height: 620px;
  object-fit: cover;
  transform: scale(1.04);
  transition: transform 8s ease;
}

.banner-swiper .swiper-slide-active img { transform: scale(1); }

/* Banner 文字（通过文字阴影保证无遮罩时的可读性） */
.banner-caption {
  position: absolute;
  bottom: 90px; left: 0;
  width: 50%;
  padding: 0 60px;
  z-index: 5;
}
.banner-caption h2 {
  font-family: var(--font-serif);
  font-size: 2.8rem;
  color: #ffffff;
  line-height: 1.3;
  text-shadow: 0 2px 20px rgba(0,0,0,0.6);
  margin-bottom: 16px;
}
.banner-caption p {
  font-size: 1.05rem;
  color: rgba(255,255,255,0.95);
  margin-bottom: 28px;
  text-shadow: 0 1px 12px rgba(0,0,0,0.7);
}
.banner-caption .btn-primary-outline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 32px;
  border: 1.5px solid #ffffff;
  color: #ffffff;
  font-size: 0.95rem;
  letter-spacing: 0.12em;
  border-radius: var(--radius-sm);
  transition: all .3s;
  text-shadow: 0 2px 8px rgba(0,0,0,0.5);
  box-shadow: 0 4px 12px rgba(0,0,0,0.2);
}
.banner-caption .btn-primary-outline:hover {
  background: var(--c-accent);
  border-color: var(--c-accent);
  color: var(--c-white);
  text-shadow: none;
  box-shadow: 0 8px 24px rgba(5, 140, 99, 0.4);
}

/* Swiper 控件 */
.banner-swiper .swiper-button-prev,
.banner-swiper .swiper-button-next {
  color: var(--c-white);
  background: rgba(0,0,0,0.15); /* 改用极浅黑半透明底，防止纯白图看不见按钮 */
  width: 46px; height: 46px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.4);
  transition: all .2s;
  backdrop-filter: blur(4px);
}
.banner-swiper .swiper-button-prev::after,
.banner-swiper .swiper-button-next::after {
  font-size: 14px;
  font-weight: bold;
}
.banner-swiper .swiper-button-prev:hover,
.banner-swiper .swiper-button-next:hover {
  background: var(--c-accent);
  border-color: var(--c-accent);
}

.banner-swiper .swiper-pagination-bullet {
  background: rgba(255,255,255,0.6);
  opacity: 1;
  width: 28px; height: 3px;
  border-radius: 2px;
  transition: all .3s;
  box-shadow: 0 1px 4px rgba(0,0,0,0.3);
}
.banner-swiper .swiper-pagination-bullet-active {
  background: var(--c-accent);
  width: 48px;
  box-shadow: 0 0 8px rgba(0,0,0,0.2);
}

/* ============================================================
   统计数字条
   ============================================================ */
.stats-bar {
  position: relative;
  z-index: 10;
  background: var(--c-bg2);
  border-top: 1px solid var(--c-border);
  border-bottom: 1px solid var(--c-border);
}
.stats-bar .container {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  divide: 1px solid var(--c-border);
}
.stat-item {
  padding: 32px 20px;
  text-align: center;
  border-right: 1px solid var(--c-border);
}
.stat-item:last-child { border-right: none; }
.stat-item .num {
  font-family: var(--font-display);
  font-size: 2.6rem;
  font-weight: 700;
  color: var(--c-accent);
  line-height: 1;
  letter-spacing: 0.02em;
}
.stat-item .unit { font-size: 0.9rem; color: var(--c-accent); }
.stat-item .label {
  font-size: 0.9rem;
  color: var(--c-text2);
  margin-top: 8px;
  letter-spacing: 0.08em;
}

/* ============================================================
   通用版块标题 (强制脱离继承，实现绝对统一)
   ============================================================ */
.section-title,
.title1 {
  text-align: center !important;
  margin: 0 0 30px 0 !important;
  padding: 0 !important;
  font-family: var(--font-serif) !important;
  font-size: 2rem !important;
  font-weight: 600 !important;
  color: var(--c-heading) !important;
  letter-spacing: 0.1em !important;
  line-height: 1.5 !important;
}

/* 中文主标题（仅匹配明确类名，避免 :first-child 特异度污染英文副标题） */
.section-title-cn {
  font-family: var(--font-serif) !important;
  font-size: 2rem !important;
  font-weight: 600 !important;
  color: var(--c-heading) !important;
  letter-spacing: 0.1em !important;
  display: block !important;
}

/* ── 英文副标题：与广告推入的企业文化模块保持完全一致 ──
   覆盖所有可能的渲染形态（span / p / div），并对各区段显式
   加权，防止父级 h2 / section 的字号、字族通过继承污染。     */
.section-title-en,
.section-title p,
.title1 p,
.title1 span.section-title-en,
.main1 .section-title-en,
.main2 .section-title-en,
.main3 .section-title-en,
.main4 .section-title-en {
  font-family: var(--font-display) !important;   /* Rajdhani — 同企业文化广告位 */
  font-size: 0.9rem !important;                  /* 统一为广告位实际渲染值 */
  font-weight: 400 !important;                   /* 与广告位 400 保持一致 */
  color: var(--c-text2) !important;
  letter-spacing: 0.28em !important;
  text-transform: uppercase !important;
  margin: 8px 0 20px !important;
  display: block !important;
  line-height: 1.5 !important;
}

.section-title-line {
  display: block !important;
  width: 50px !important;
  height: 3px !important;
  background: var(--c-accent) !important;
  margin: 0 auto !important;
}

/* ============================================================
   首页 — 企业文化版块 (.main1)
   ============================================================ */
.main1 { background: var(--c-bg2); padding: 70px 0; }

.culture-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--c-border);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-top: 40px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.02);
}

.culture-item {
  background: var(--c-bg3);
  padding: 40px 30px;
  text-align: center;
  position: relative;
  transition: all .4s var(--ease-out);
}
.culture-item::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--c-accent);
  transform: scaleX(0);
  transition: transform .4s var(--ease-out);
}
.culture-item:hover { background: var(--c-surface); transform: translateY(-4px); }
.culture-item:hover::before { transform: scaleX(1); }

.culture-item .icon {
  width: 64px; height: 64px;
  border: 1.5px solid var(--c-border);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 20px;
  font-size: 1.5rem;
  color: var(--c-accent);
  transition: all .4s;
  background: var(--c-bg3);
}
.culture-item:hover .icon {
  border-color: var(--c-accent);
  background: var(--c-glow);
  box-shadow: 0 8px 24px rgba(5, 140, 99, 0.15);
}

.culture-item h3 {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  color: var(--c-heading);
  letter-spacing: 0.12em;
  margin-bottom: 12px;
}
.culture-item p {
  font-size: 0.9rem;
  color: var(--c-text2);
  line-height: 1.8;
}

/* ============================================================
   首页 — 公司简介版块 (.main2)
   ============================================================ */
.main2 {
  padding: 80px 0;
  position: relative;
  background: var(--c-bg);
}

.main2::before {
  content: '';
  position: absolute;
  top: 0; right: 0;
  width: 100%; height: 100%;
  background: linear-gradient(135deg, transparent 0%, rgba(5, 140, 99, 0.03) 100%);
  pointer-events: none;
}

.about-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 70px;
  align-items: center;
}

.about-text .tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 5px 14px;
  background: var(--c-glow);
  border: 1px solid var(--c-border);
  border-radius: 30px;
  font-size: 0.85rem;
  color: var(--c-accent);
  letter-spacing: 0.1em;
  margin-bottom: 20px;
}
.about-text .tag::before {
  content: ''; width: 6px; height: 6px; border-radius: 50%;
  background: var(--c-accent);
}

.jj { font-size: 0.95rem; color: var(--c-text2); line-height: 2; }

.about-visual .video-wrap {
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--c-border);
  position: relative;
  box-shadow: 0 16px 40px rgba(0,0,0,0.06);
}
.about-visual video { width: 100%; display: block; }
.about-visual::before {
  content: ''; position: absolute; top: -20px; right: -20px;
  width: 120px; height: 120px; border-top: 2px solid var(--c-accent); border-right: 2px solid var(--c-accent);
  border-radius: 0 var(--radius-md) 0 0; opacity: 0.6; pointer-events: none;
}
.about-visual::after {
  content: ''; position: absolute; bottom: -20px; left: -20px;
  width: 80px; height: 80px; border-bottom: 2px solid var(--c-gold); border-left: 2px solid var(--c-gold);
  opacity: 0.6; pointer-events: none;
}

/* ============================================================
   首页 — 产品展示版块 (.main3)
   ============================================================ */
.main3 {
  padding: 80px 0;
  background: var(--c-bg2);
  position: relative;
  overflow: hidden;
}
.main3::before {
  content: 'PRODUCT';
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  font-family: var(--font-display);
  font-size: 18vw;
  font-weight: 700;
  color: rgba(0,0,0,0.015);
  pointer-events: none;
  white-space: nowrap;
  letter-spacing: 0.1em;
}

.prod-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.prod-card {
  background: var(--c-bg3);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: all .4s var(--ease-out);
  position: relative;
}
.prod-card::after {
  content: ''; position: absolute; inset: 0; border-radius: var(--radius-md);
  border: 1px solid transparent; transition: border-color .4s; pointer-events: none;
}
.prod-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 32px rgba(0,0,0,0.06), 0 0 0 1px var(--c-accent);
}
.prod-card .img-wrap { overflow: hidden; aspect-ratio: 4/3; }
.prod-card img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform .6s var(--ease-out);
}
.prod-card:hover img { transform: scale(1.06); }
.prod-card h3 {
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--c-heading);
  padding: 16px;
  text-align: center;
  transition: color .2s;
}
.prod-card:hover h3 { color: var(--c-accent); }

/* ============================================================
   首页 — 新闻版块 (.main4)
   ============================================================ */
.main4 { padding: 80px 0; background: var(--c-bg); }

.news-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0;
  border: 1px solid var(--c-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(0,0,0,0.02);
}

.news-card {
  padding: 32px;
  border-bottom: 1px solid var(--c-border);
  border-right: 1px solid var(--c-border);
  background: var(--c-bg3);
  position: relative;
  transition: all .3s;
  overflow: hidden;
}
.news-card:nth-child(even) { border-right: none; }
.news-card:nth-last-child(1),
.news-card:nth-last-child(2) { border-bottom: none; }

.news-card::before {
  content: ''; position: absolute; left: 0; top: 0; bottom: 0;
  width: 3px; background: var(--c-accent); transform: scaleY(0);
  transition: transform .4s var(--ease-out); transform-origin: bottom;
}
.news-card:hover { background: var(--c-bg2); }
.news-card:hover::before { transform: scaleY(1); }

.news-card h3 {
  font-size: 1rem;
  color: var(--c-heading);
  margin-bottom: 12px;
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-card h3 a { color: inherit; transition: color .2s; }
.news-card h3 a:hover { color: var(--c-accent); }

.news-card .desc {
  font-size: 0.88rem;
  color: var(--c-text2);
  line-height: 1.8;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 16px;
}
.news-card .meta {
  display: flex; gap: 16px; font-size: 0.82rem; color: var(--c-text2);
}
.news-card .meta span { display: flex; align-items: center; gap: 5px; }
.news-card .meta i { color: var(--c-accent); }

/* ============================================================
   通用按钮
   ============================================================ */
.btn-more {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 38px;
  border: 1.5px solid var(--c-accent);
  color: var(--c-accent);
  background: transparent;
  font-size: 0.95rem;
  letter-spacing: 0.1em;
  border-radius: var(--radius-sm);
  transition: all .3s var(--ease-out);
  position: relative;
  overflow: hidden;
}
.btn-more::before {
  content: ''; position: absolute; inset: 0; background: var(--c-accent);
  transform: scaleX(0); transform-origin: left; transition: transform .3s var(--ease-out); z-index: 0;
}
.btn-more span, .btn-more i { position: relative; z-index: 1; transition: color .3s; }
.btn-more:hover { border-color: var(--c-accent2); box-shadow: 0 8px 24px rgba(5, 140, 99, 0.25); }
.btn-more:hover span, .btn-more:hover i { color: var(--c-white); }
.btn-more:hover::before { transform: scaleX(1); }

/* ============================================================
   页脚
   ============================================================ */
.footer {
  background: var(--c-bg2);
  border-top: 1px solid var(--c-border);
  padding: 70px 0 0;
  position: relative;
}
.footer::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, transparent 0%, var(--c-accent) 50%, transparent 100%);
  opacity: 0.15;
}

.footer .row { display: grid; grid-template-columns: repeat(5, 1fr); gap: 40px; }

.footer dl dt {
  font-size: 0.95rem;
  color: var(--c-heading);
  font-weight: 600;
  letter-spacing: 0.05em;
  margin-bottom: 18px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--c-border);
  position: relative;
}
.footer dl dt::after {
  content: ''; position: absolute; bottom: -1px; left: 0;
  width: 30px; height: 2px; background: var(--c-accent);
}
.footer dl dt a { color: var(--c-heading); }
.footer dl dd { margin-bottom: 12px; }
.footer dl dd a {
  font-size: 0.9rem;
  color: var(--c-text2);
  transition: all .2s;
  display: flex; align-items: center; gap: 6px;
}
.footer dl dd a:hover { color: var(--c-accent); padding-left: 4px; }

.contact-col dd {
  font-size: 0.9rem; color: var(--c-text2);
  display: flex; align-items: flex-start; gap: 10px; line-height: 1.6;
}
.contact-col dd i { color: var(--c-accent); margin-top: 4px; flex-shrink: 0; }

/* 友情链接 - 无黑白滤镜 */
.footer-links {
  padding: 24px 0; border-top: 1px solid var(--c-border); margin-top: 30px;
  font-size: 0.9rem; color: var(--c-text2); display: flex; align-items: center; gap: 16px; flex-wrap: wrap;
}
.footer-links img {
  height: 32px; width: auto; 
  transition: all .3s var(--ease-out);
}
.footer-links img:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0,0,0,0.08); 
}

.footer-copy {
  background: var(--c-border);
  padding: 16px 0;
  font-size: 0.85rem;
  color: var(--c-text);
  text-align: center;
  margin-top: 20px;
}
.footer-copy a { color: var(--c-text); }
.footer-copy a:hover { color: var(--c-accent); }

/* ============================================================
   内页公共 — Banner
   ============================================================ */
.page-banner {
  position: relative;
  margin-top: 72px;
  height: 320px;
  overflow: hidden;
}
.page-banner img {
  width: 100%; height: 100%; object-fit: cover;
}

/* ============================================================
   面包屑
   ============================================================ */
.breadcrumb-bar {
  background: var(--c-bg2);
  border-bottom: 1px solid var(--c-border);
  padding: 14px 0;
}
.breadcrumb-bar, .breadcrumb-bar a, .breadcrumb-bar span { font-size: 0.88rem; color: var(--c-text2); }
.breadcrumb-bar a:hover { color: var(--c-accent); }
.breadcrumb-bar .position a:last-of-type, .breadcrumb-bar a.active { color: var(--c-accent); font-weight: 500;}
.breadcrumb-bar .position { display: flex; align-items: center; gap: 6px; }

/* ============================================================
   内页 — 内容区公共布局
   ============================================================ */
.news-section { padding: 60px 0 80px; background: var(--c-bg); }

.news_left {
  background: var(--c-bg3);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-md);
  padding: 40px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.02);
}

.news_right {
  background: var(--c-bg3);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-md);
  padding: 32px;
  position: sticky;
  top: 88px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.02);
}

/* 侧边栏搜索 */
.sidebar-search {
  display: flex;
  border: 1px solid var(--c-border);
  border-radius: var(--radius-sm);
  overflow: hidden;
  margin-bottom: 30px;
}
.sidebar-search .ipt {
  flex: 1; padding: 12px 14px; background: var(--c-bg); border: none;
  color: var(--c-text); font-size: 0.9rem; outline: none;
}
.sidebar-search .btn-search {
  padding: 12px 18px; background: var(--c-accent); border: none;
  color: var(--c-white); cursor: pointer; transition: background .2s;
}
.sidebar-search .btn-search:hover { background: var(--c-accent2); }

/* 侧边栏标题 */
.sidebar-title {
  font-size: 1rem; font-weight: 600; color: var(--c-heading);
  margin-bottom: 16px; padding-bottom: 12px; border-bottom: 1px solid var(--c-border); position: relative;
}
.sidebar-title::after {
  content: ''; position: absolute; bottom: -1px; left: 0;
  width: 24px; height: 2px; background: var(--c-accent);
}
.news_right ul li { border-bottom: 1px solid var(--c-border); }
.news_right ul li a {
  display: block; padding: 12px 0; font-size: 0.9rem; color: var(--c-text);
  transition: all .2s; padding-left: 12px; border-left: 2px solid transparent;
}
.news_right ul li a:hover {
  color: var(--c-accent); border-left-color: var(--c-accent); padding-left: 16px;
}

/* 侧边栏子菜单 */
.news_menu { display: flex; flex-direction: column; gap: 8px; }
.news_menu a {
  display: block; padding: 12px 18px; font-size: 0.95rem; color: var(--c-text);
  background: var(--c-bg2); border-radius: var(--radius-sm); transition: all .2s;
}
.news_menu a:hover, .news_menu a.on {
  color: var(--c-accent); background: var(--c-glow);
}

/* ============================================================
   文章详情页
   ============================================================ */
.article-wrap h1 {
  font-family: var(--font-serif); font-size: 1.8rem; color: var(--c-heading);
  line-height: 1.5; margin-bottom: 24px; padding-bottom: 24px; border-bottom: 1px solid var(--c-border);
}
.hdwz { display: flex; gap: 24px; flex-wrap: wrap; margin-bottom: 32px; }
.hdwz span { display: flex; align-items: center; gap: 6px; font-size: 0.88rem; color: var(--c-text2); }
.hdwz i { color: var(--c-accent); }
.body-content { font-size: 1rem; line-height: 2; color: var(--c-text); }
.body-content h2, .body-content h3 { font-family: var(--font-serif); color: var(--c-heading); margin: 32px 0 16px; }
.body-content p { margin-bottom: 18px; }

/* ── 覆盖 DedeCMS 编辑器写入的行内 style ──
   CMS 富文本编辑器会给图片写死 width/height px 值，
   用 !important 强制重置为响应式，防止移动端溢出。  */
.body-content img {
  display: block !important;
  width: 100% !important;       /* 覆盖行内 width:780px 等固定值 */
  height: auto !important;      /* 覆盖行内 height，保持等比缩放 */
  max-width: 100% !important;
  border-radius: var(--radius-sm);
  margin: 20px auto;
  border: 1px solid var(--c-border);
}

/* CMS 编辑器常用 span 包裹全文并写入 font-size，
   重置为继承父级，避免与主题字号冲突。             */
.body-content span {
  font-size: inherit !important;
}

.body-content a { color: var(--c-accent); }

/* ============================================================
   列表页 — 文章列表
   ============================================================ */
.left_con li {
  display: flex; align-items: flex-start; gap: 24px; padding: 28px 0;
  border-bottom: 1px solid var(--c-border); transition: all .3s;
}
.left_con li:last-child { border-bottom: none; }
.left_con li:hover { transform: translateX(4px); }
.media_img .img1 {
  width: 180px; height: 135px;          /* 固定 4:3，所有缩略图统一尺寸 */
  border-radius: var(--radius-sm); overflow: hidden;
  border: 1px solid var(--c-border); flex-shrink: 0;
}
.media_img .img1 img {
  width: 100%; height: 100%;            /* 撑满容器 */
  object-fit: cover;                    /* 等比裁切居中，不拉伸 */
  object-position: center;
  transition: transform .5s;
}
.left_con li:hover .img1 img { transform: scale(1.05); }
.media_con { flex: 1; min-width: 0; }
.media_con h3 { font-size: 1.1rem; font-weight: 500; color: var(--c-heading); margin-bottom: 12px; }
.media_con p { font-size: 0.95rem; color: var(--c-text2); line-height: 1.8; margin-bottom: 14px; }
.media_con .meta { display: flex; gap: 18px; font-size: 0.85rem; color: var(--c-text2); }
.media_con .meta i { color: var(--c-accent); }

/* ============================================================
   产品网格（list_shop）
   ============================================================ */
.shop-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.shop-card {
  background: var(--c-bg3); border: 1px solid var(--c-border);
  border-radius: var(--radius-md); overflow: hidden; transition: all .4s var(--ease-out);
}
.shop-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 16px 32px rgba(0,0,0,0.06), 0 0 0 1px var(--c-accent);
}
.shop-card a { display: block; color: inherit; }
.shop-card img { width: 100%; aspect-ratio: 4/3; object-fit: cover; transition: transform .5s; }
.shop-card:hover img { transform: scale(1.05); }
.shop-card h3 { font-size: 1rem; color: var(--c-heading); padding: 18px; text-align: center; }
.shop-card:hover h3 { color: var(--c-accent); }

/* 产品搜索栏 */
.search-bar-top { background: var(--c-bg2); border-bottom: 1px solid var(--c-border); padding: 24px 0; }
.search-bar-top .inner { display: flex; max-width: 500px; border: 1px solid var(--c-border); border-radius: var(--radius-sm); overflow: hidden; }
.search-bar-top input { flex: 1; padding: 12px 18px; background: var(--c-bg3); border: none; outline: none; }
.search-bar-top button { padding: 12px 24px; background: var(--c-accent); color: var(--c-white); border: none; cursor: pointer; }
.search-bar-top button:hover { background: var(--c-accent2); }

/* ============================================================
   分页样式
   ============================================================ */
.page2 ul { display: flex; gap: 8px; justify-content: center; flex-wrap: wrap; margin: 30px 0; }
.page2 li {
  display: inline-flex; align-items: center; justify-content: center;
  min-width: 40px; height: 40px; padding: 0 12px;
  border: 1px solid var(--c-border); border-radius: var(--radius-sm);
  font-size: 0.95rem; color: var(--c-text); background: var(--c-bg3);
  transition: all 0.2s; cursor: pointer;
}
.page2 li a { color: inherit; display: flex; align-items: center; justify-content: center; width: 100%; height: 100%; }
.page2 li:hover:not(.thisclass) { color: var(--c-accent); border-color: var(--c-accent); background: var(--c-glow); }
.page2 li.thisclass {
  background: var(--c-accent); color: var(--c-white); border-color: var(--c-accent);
  font-weight: 600; cursor: default; pointer-events: none;
  box-shadow: 0 4px 12px rgba(5, 140, 99, 0.2);
}

/* ============================================================
   单页内容（index_article）
   ============================================================ */
.danye-section { padding: 60px 0 80px; background: var(--c-bg); }
.tab-swiper-wrap { margin-bottom: 40px; border-bottom: 1px solid var(--c-border); padding-bottom: 20px; }
.tab-swiper a {
  display: inline-block; padding: 10px 24px; border-radius: var(--radius-sm);
  font-size: 0.95rem; color: var(--c-text); transition: all .2s; border: 1px solid transparent;
}
.tab-swiper a.on, .tab-swiper a:hover { color: var(--c-accent); background: var(--c-glow); }
.danye-content {
  font-size: 1rem; line-height: 2; color: var(--c-text); background: var(--c-bg3);
  border: 1px solid var(--c-border); border-radius: var(--radius-md); padding: 50px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.02);
}
.danye-content table { width: 100%; border-collapse: collapse; margin: 24px 0; }
.danye-content th { background: var(--c-bg2); padding: 14px; border: 1px solid var(--c-border); }
.danye-content td { padding: 12px 14px; border: 1px solid var(--c-border); }

/* ============================================================
   广告推入 — 企业文化模块（ul.row）
   ============================================================ */
ul.row {
  display: grid !important; grid-template-columns: repeat(4, 1fr) !important;
  gap: 1px !important; background: var(--c-border); border: 1px solid var(--c-border);
  border-radius: var(--radius-md); overflow: hidden; margin: 0 !important; padding: 0 !important;
  box-shadow: 0 10px 30px rgba(0,0,0,0.02);
}
@media (max-width: 768px) { ul.row { grid-template-columns: repeat(2, 1fr) !important; } }
@media (max-width: 480px) { ul.row { grid-template-columns: 1fr 1fr !important; } }

ul.row li {
  background: var(--c-bg3); padding: 50px 20px; display: flex !important;
  flex-direction: column; align-items: center; justify-content: center; gap: 20px;
  position: relative; overflow: hidden;
  opacity: 0; transform: translateY(30px); animation: cultureItemIn .7s var(--ease-out) forwards;
}
ul.row li:nth-child(1) { animation-delay: 0.1s; }
ul.row li:nth-child(2) { animation-delay: 0.2s; }
ul.row li:nth-child(3) { animation-delay: 0.3s; }
ul.row li:nth-child(4) { animation-delay: 0.4s; }

@keyframes cultureItemIn { to { opacity: 1; transform: translateY(0); } }

ul.row li::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: var(--c-accent); transform: scaleX(0); transition: transform .5s var(--ease-out);
}
ul.row li:hover { background: var(--c-surface); }
ul.row li:hover::before { transform: scaleX(1); }

ul.row li i {
  display: flex; align-items: center; justify-content: center;
  width: 72px; height: 72px; border-radius: 50%; border: 1.5px solid var(--c-border);
  color: var(--c-accent); font-size: 2rem !important; background: var(--c-bg3);
  animation: iconPulse 3s ease-in-out infinite; transition: all .4s var(--ease-out);
}
ul.row li:nth-child(2) i { animation-delay: 0.6s; }
ul.row li:nth-child(3) i { animation-delay: 1.2s; }
ul.row li:nth-child(4) i { animation-delay: 1.8s; }

@keyframes iconPulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(5, 140, 99, 0); }
  50%      { box-shadow: 0 0 0 10px rgba(5, 140, 99, 0.08); }
}

ul.row li:hover i {
  border-color: var(--c-accent); background: var(--c-glow);
  box-shadow: 0 8px 24px rgba(5, 140, 99, 0.2); transform: scale(1.1) rotate(6deg);
}

ul.row li h3 {
  font-family: var(--font-serif); font-size: 1.6rem !important; font-weight: 600;
  color: var(--c-heading); letter-spacing: 0.2em;
  background: linear-gradient(90deg, var(--c-heading) 0%, var(--c-accent) 50%, var(--c-heading) 100%);
  background-size: 200% auto; -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  animation: shimmer 4s linear infinite; animation-delay: calc(var(--i, 0) * 0.8s);
}
ul.row li:nth-child(1) h3 { --i: 0; }
ul.row li:nth-child(2) h3 { --i: 1; }
ul.row li:nth-child(3) h3 { --i: 2; }
ul.row li:nth-child(4) h3 { --i: 3; }
@keyframes shimmer { 0% { background-position: 200% center; } 100% { background-position: -200% center; } }

/* ============================================================
   响应式调整
   ============================================================ */
.row { display: grid; grid-template-columns: 1fr; gap: 30px; }
@media (min-width: 768px) { .row { grid-template-columns: 2fr 1fr; } }
.row .col-lg-9 { grid-column: 1; }
.row .col-lg-3 { grid-column: 2; }

@media (max-width: 1100px) {
  .prod-grid { grid-template-columns: repeat(3, 1fr); }
  .about-layout { gap: 40px; }
  .footer .row { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 900px) {
  .top-nav, .nav-dropdown { display: none; }
  .hamburger { display: flex; }
  .banner-swiper { height: 420px; }
  .banner-swiper .swiper-slide img { height: 420px; }
  .banner-caption { width: 80%; padding: 0 30px; bottom: 60px; }
  .banner-caption h2 { font-size: 2rem; }
  .stats-bar .container { grid-template-columns: repeat(2, 1fr); }
  .culture-grid { grid-template-columns: repeat(2, 1fr); }
  .about-layout { grid-template-columns: 1fr; }
  .about-visual { display: none; }
  .prod-grid, .shop-grid { grid-template-columns: repeat(2, 1fr); }
  .news-grid { grid-template-columns: 1fr; }
  .news-card { border-right: none; }
  .news-card:nth-last-child(2) { border-bottom: 1px solid var(--c-border); }
  .footer .row { grid-template-columns: repeat(2, 1fr); }
  .row { grid-template-columns: 1fr; }
  .row .col-lg-9, .row .col-lg-3 { grid-column: 1; }
}

@media (max-width: 600px) {
  .banner-swiper { height: 300px; }
  .banner-swiper .swiper-slide img { height: 300px; }
  .banner-caption h2 { font-size: 1.5rem; }
  .banner-caption p { display: none; }
  .stats-bar .container { grid-template-columns: repeat(2, 1fr); }
  .stat-item .num { font-size: 2rem; }
  .culture-grid { grid-template-columns: 1fr 1fr; }
  .prod-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .shop-grid { grid-template-columns: 1fr 1fr; }
  .news_left { padding: 24px; }
  .news_right { display: none; }
  .footer .row { grid-template-columns: 1fr 1fr; }
  .contact-col { grid-column: 1 / -1; }
  .left_con li { flex-direction: column; }
  .media_img .img1 { width: 100%; height: auto; }
  .page-banner { height: 200px; }
  .danye-content { padding: 24px; }
}

/* ============================================================
   其他修饰
   ============================================================ */
.text-center { text-align: center; }
.mt-4 { margin-top: 1.5rem; }
.position * { display: inline; }
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--c-bg2); }
::-webkit-scrollbar-thumb { background: #cbd5e1; border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--c-accent); }
::selection { background: rgba(5, 140, 99, 0.2); color: var(--c-heading); }