/* ==========================================================================
   廊坊金叶环保科技有限公司 · 官方网站
   品牌主色：金叶金 #C9A227 / 环保绿 #1F7A4D
   设计语言：大气、沉稳、环保科技感
   ========================================================================== */

:root {
  --gold: #C9A227;
  --gold-dark: #A8861A;
  --gold-light: #E8D48A;
  --green: #1F7A4D;
  --green-dark: #145C38;
  --green-light: #2E9C68;
  --ink: #1A2B22;
  --ink-2: #33473D;
  --gray: #6B7A72;
  --gray-light: #F4F7F5;
  --line: #E4EAE6;
  --white: #ffffff;
  --shadow-sm: 0 2px 12px rgba(20, 60, 40, 0.06);
  --shadow-md: 0 8px 30px rgba(20, 60, 40, 0.10);
  --shadow-lg: 0 20px 60px rgba(20, 60, 40, 0.14);
  --radius: 14px;
  --radius-lg: 22px;
  --font: "Microsoft YaHei", "PingFang SC", "Hiragino Sans GB", "Source Han Sans SC", "Noto Sans SC", sans-serif;
  --header-h: 78px;         /* 头部高度：抽屉菜单定位与窄屏收缩都以它为准 */
}

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

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  font-family: var(--font);
  color: var(--ink);
  background: var(--white);
  line-height: 1.75;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
img { max-width: 100%; display: block; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }

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

/* ---------- 顶部导航 ---------- */
.topbar {
  background: linear-gradient(90deg, var(--green-dark), var(--green));
  color: rgba(255,255,255,0.9);
  font-size: 13px;
  padding: 7px 0;
}
.topbar .container { display: flex; justify-content: space-between; align-items: center; }
.topbar .contact-info { display: flex; flex-wrap: wrap; align-items: center; gap: 4px 22px; min-width: 0; }
.topbar .contact-info > * { min-width: 0; }
.topbar .contact-info span { margin-right: 0; }
.topbar .topbar-tel {
  display: inline-flex; align-items: center; gap: 5px;
  color: rgba(255,255,255,0.95); font-weight: 600;
  font-variant-numeric: tabular-nums; letter-spacing: .3px; white-space: nowrap;
  padding: 4px 0;          /* 触控目标高度 ≥ 24px，手机上更好点 */
}
.topbar .topbar-tel:hover { color: var(--gold-light); }
.topbar .topbar-tel svg { margin-right: 0; }
.topbar .contact-info svg { vertical-align: -2px; margin-right: 5px; flex-shrink: 0; }
.topbar .ai-tag {
  display: inline-flex; align-items: center; gap: 5px;
  background: rgba(255,255,255,0.14); padding: 2px 10px; border-radius: 20px;
}

.header {
  position: sticky; top: 0; z-index: 100;
  background: var(--white);
  box-shadow: var(--shadow-sm);
}
.header .container { display: flex; align-items: center; justify-content: space-between; height: var(--header-h); }
.logo { display: flex; align-items: center; gap: 13px; }
.logo img { height: 44px; width: auto; }

.nav { display: flex; align-items: center; gap: 30px; }
.nav a {
  font-size: 15px; font-weight: 500; color: var(--ink-2);
  position: relative; padding: 8px 0; transition: color .2s;
}
.nav a:hover, .nav a.active { color: var(--green); }
.nav a.active::after, .nav a:hover::after {
  content: ""; position: absolute; left: 0; bottom: 0;
  width: 100%; height: 3px; border-radius: 3px;
  background: linear-gradient(90deg, var(--gold), var(--green));
}
.nav .btn-nav {
  background: linear-gradient(90deg, var(--gold), var(--gold-dark));
  color: #fff; padding: 10px 22px; border-radius: 30px;
  font-weight: 600; box-shadow: 0 6px 16px rgba(201,162,39,0.35);
  transition: transform .2s;
}
.nav .btn-nav:hover { transform: translateY(-2px); color: #fff; }
.nav .btn-nav::after { display: none; }

/* 汉堡按钮：44×44 触控目标（原先 23×35，手机上偏小且难点） */
.nav-toggle {
  display: none; font-size: 26px; color: var(--green);
  width: 44px; height: 44px; align-items: center; justify-content: center;
  border-radius: 10px; margin-right: -9px; flex-shrink: 0;
}
.nav-toggle:hover { background: rgba(31,122,77,0.08); }

/* ---------- Hero ---------- */
.hero {
  position: relative; overflow: hidden;
  background: linear-gradient(135deg, #0F3B27 0%, var(--green-dark) 45%, var(--green) 100%);
  color: #fff;
}
.hero::before {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(ellipse at 20% 20%, rgba(201,162,39,0.22), transparent 55%),
              radial-gradient(ellipse at 85% 80%, rgba(46,156,104,0.35), transparent 55%);
  pointer-events: none;
}
.hero .container { position: relative; display: grid; grid-template-columns: 1.05fr .95fr; gap: 50px; align-items: center; padding-top: 84px; padding-bottom: 90px; }
.hero-kicker {
  display: inline-flex; align-items: center; gap: 8px;
  background: rgba(255,255,255,0.12); border: 1px solid rgba(255,255,255,0.2);
  padding: 6px 16px; border-radius: 30px; font-size: 13px; letter-spacing: 1px;
}
.hero h1 {
  font-size: 46px; line-height: 1.25; font-weight: 800;
  margin: 22px 0 18px; letter-spacing: 1px;
}
.hero h1 .hl { color: var(--gold-light); }
.hero .lead { font-size: 17px; color: rgba(255,255,255,0.85); max-width: 520px; }
.hero-actions { display: flex; gap: 16px; margin-top: 34px; flex-wrap: wrap; }
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 30px; border-radius: 34px; font-size: 15px; font-weight: 600;
  transition: all .25s;
}
.btn-primary { background: linear-gradient(90deg, var(--gold), var(--gold-dark)); color: #fff; box-shadow: 0 10px 26px rgba(201,162,39,0.4); }
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 14px 34px rgba(201,162,39,0.5); }
.btn-ghost { background: rgba(255,255,255,0.12); border: 1px solid rgba(255,255,255,0.35); color: #fff; }
.btn-ghost:hover { background: rgba(255,255,255,0.22); }
.btn-line { border: 1px solid var(--green); color: var(--green); background: #fff; }
.btn-line:hover { background: rgba(31,122,77,0.06); }

.hero-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 44px; }
.hero-stat {
  background: rgba(255,255,255,0.08); border: 1px solid rgba(255,255,255,0.14);
  backdrop-filter: blur(8px); border-radius: var(--radius); padding: 20px;
}
.hero-stat .num { font-size: 30px; font-weight: 800; color: var(--gold-light); line-height: 1.1; }
.hero-stat .num small { font-size: 14px; font-weight: 600; }
.hero-stat .lbl { font-size: 13px; color: rgba(255,255,255,0.75); margin-top: 6px; }

.hero-visual { position: relative; }
.hero-visual .card {
  background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.16);
  backdrop-filter: blur(12px); border-radius: var(--radius-lg); padding: 34px;
}
.hero-visual .card h2, .hero-visual .card h3 { font-size: 18px; color: var(--gold-light); margin-bottom: 18px; }
.hv-badge { display: flex; flex-wrap: wrap; gap: 10px; }
.hv-badge span {
  background: rgba(255,255,255,0.12); border: 1px solid rgba(255,255,255,0.2);
  padding: 8px 16px; border-radius: 24px; font-size: 13px;
}
.hv-note { margin-top: 20px; font-size: 12.5px; line-height: 1.85; color: rgba(255,255,255,0.62); }
.hv-note b { color: var(--gold-light); }
.lead-advantage {
  margin-top: 18px; padding-left: 16px; border-left: 3px solid var(--gold);
  font-size: 15.5px; line-height: 1.75; font-weight: 600; color: var(--gold-light);
}

/* ---------- 通用 section ---------- */
section { padding: 80px 0; }
.section-head { text-align: center; max-width: 720px; margin: 0 auto 52px; }
.section-head .kicker {
  display: inline-block; color: var(--gold-dark); font-size: 14px; font-weight: 700;
  letter-spacing: 2px; margin-bottom: 12px;
}
.section-head h2 { font-size: 36px; font-weight: 800; color: var(--ink); letter-spacing: 1px; }
.section-head p { color: var(--gray); margin-top: 14px; font-size: 16px; }

/* ---------- 业务卡片 ---------- */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.service-card {
  background: var(--white); border: 1px solid var(--line); border-radius: var(--radius-lg);
  padding: 36px 30px; transition: all .3s; position: relative; overflow: hidden;
  display: flex; flex-direction: column;
}
.service-card::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0; height: 4px;
  background: linear-gradient(90deg, var(--gold), var(--green)); opacity: 0; transition: opacity .3s;
}
.service-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: transparent; }
.service-card:hover::before { opacity: 1; }
.service-icon {
  width: 60px; height: 60px; border-radius: 16px; display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, rgba(201,162,39,0.12), rgba(31,122,77,0.12));
  font-size: 28px; margin-bottom: 20px;
}
.service-card h3 { font-size: 20px; font-weight: 700; margin-bottom: 12px; color: var(--ink); }
.service-card p { color: var(--gray); font-size: 14.5px; }
.service-card .tags { margin-top: 18px; display: flex; flex-wrap: wrap; gap: 8px; }
.service-card .tags span { font-size: 12px; color: var(--green); background: rgba(31,122,77,0.08); padding: 4px 12px; border-radius: 20px; }

/* ---------- 资质荣誉 ---------- */
.honor-band { background: linear-gradient(180deg, var(--gray-light), #fff); }
.honor-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.honor-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 28px 22px; text-align: center; transition: all .3s;
}
.honor-card:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); }
.honor-card .medal {
  width: 54px; height: 54px; margin: 0 auto 16px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center; font-size: 26px;
  background: radial-gradient(circle at 30% 30%, var(--gold-light), var(--gold));
  box-shadow: 0 6px 18px rgba(201,162,39,0.35);
}
.honor-card h3, .honor-card h4 { font-size: 16px; font-weight: 700; color: var(--ink); margin-bottom: 6px; }
.honor-card p { font-size: 12.5px; color: var(--gray); }

/* ---------- 六体系认证 ---------- */
.sys-band { background: linear-gradient(180deg, #fff, var(--gray-light)); }
.sys-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.sys-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg);
  padding: 26px 24px; text-align: center; transition: all .3s;
}
.sys-card:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); border-color: rgba(31,122,77,0.3); }
.sys-icon {
  width: 46px; height: 46px; margin: 0 auto 14px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center; font-size: 22px;
  background: radial-gradient(circle at 30% 30%, rgba(31,122,77,0.16), rgba(31,122,77,0.07));
}
.sys-code {
  font-size: 15px; font-weight: 800; color: var(--green); letter-spacing: .6px;
  font-variant-numeric: tabular-nums;
}
.sys-card h3, .sys-card h4 { font-size: 14px; font-weight: 600; color: var(--ink); margin: 6px 0 8px; }
.sys-card p { font-size: 12.5px; color: var(--gray); line-height: 1.7; }
.sys-claim {
  margin-top: 34px; padding: 18px 26px; border-radius: var(--radius);
  display: flex; align-items: center; justify-content: center; gap: 12px; text-align: center;
  background: linear-gradient(135deg, rgba(201,162,39,0.1), rgba(31,122,77,0.1));
  border: 1px solid rgba(31,122,77,0.16);
  font-size: 15px; font-weight: 700; color: var(--green-dark);
}
.sys-claim .claim-ico { font-size: 20px; }

/* ---------- FAQ ---------- */
.faq-wrap { max-width: 820px; margin: 0 auto; }
.faq-cat { margin-bottom: 40px; }
.faq-cat h3 { font-size: 20px; font-weight: 700; color: var(--green-dark); margin-bottom: 18px; padding-left: 16px; border-left: 4px solid var(--gold); }
.faq-item {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  margin-bottom: 14px; overflow: hidden;
}
.faq-q {
  width: 100%; text-align: left; padding: 20px 24px; font-size: 16px; font-weight: 600;
  color: var(--ink); display: flex; justify-content: space-between; align-items: center; gap: 16px;
}
.faq-q .qnum { color: var(--gold-dark); font-weight: 800; margin-right: 6px; }
.faq-q .icon { color: var(--green); font-size: 20px; transition: transform .3s; flex-shrink: 0; }
.faq-item.open .faq-q .icon { transform: rotate(45deg); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height .35s ease; }
.faq-item.open .faq-a { max-height: 1400px; }
.faq-a-inner { padding: 0 24px 22px 24px; color: var(--ink-2); font-size: 15px; line-height: 1.9; }
.faq-a-inner p { margin-bottom: 10px; }
.faq-a-inner ul { padding-left: 20px; list-style: disc; margin: 8px 0; }
.faq-a-inner li { margin-bottom: 4px; }
.faq-a-inner a { color: var(--green); }

/* ---------- 数据统计 ---------- */
.stats-band { background: linear-gradient(135deg, var(--green-dark), var(--green)); color: #fff; padding: 70px 0; }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 30px; text-align: center; }
.stat-item .num { font-size: 44px; font-weight: 800; color: var(--gold-light); line-height: 1; }
.stat-item .num small { font-size: 18px; }
.stat-item .lbl { margin-top: 12px; font-size: 14px; color: rgba(255,255,255,0.8); }

/* ---------- CTA ---------- */
.cta { text-align: center; }
.cta .inner {
  background: linear-gradient(135deg, #0F3B27, var(--green-dark));
  border-radius: var(--radius-lg); padding: 60px 40px; color: #fff;
  position: relative; overflow: hidden;
}
.cta .inner::before { content: ""; position: absolute; inset: 0; background: radial-gradient(ellipse at 80% 20%, rgba(201,162,39,0.25), transparent 50%); }
.cta h2 { font-size: 34px; font-weight: 800; margin-bottom: 14px; position: relative; }
.cta p { color: rgba(255,255,255,0.85); position: relative; max-width: 560px; margin: 0 auto 30px; }

/* ---------- 面包屑 / 页面头 ---------- */
.page-hero {
  background: linear-gradient(135deg, #0F3B27, var(--green-dark), var(--green));
  color: #fff; padding: 60px 0; position: relative; overflow: hidden;
}
.page-hero::before { content: ""; position: absolute; inset: 0; background: radial-gradient(ellipse at 20% 30%, rgba(201,162,39,0.2), transparent 50%); }
.page-hero h1, .page-hero .page-title { font-size: 38px; font-weight: 800; position: relative; }
.page-hero .crumbs { position: relative; margin-top: 14px; font-size: 13px; color: rgba(255,255,255,0.75); }
.page-hero .crumbs a { color: rgba(255,255,255,0.85); }
.page-hero .crumbs a:hover { color: var(--gold-light); }

/* ---------- 新闻卡片 ---------- */
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.news-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg);
  overflow: hidden; transition: all .3s; display: flex; flex-direction: column;
}
.news-card:hover { box-shadow: var(--shadow-md); transform: translateY(-5px); }
.news-cover { height: 120px; background: linear-gradient(135deg, var(--green-light), var(--green-dark)); display: flex; align-items: center; justify-content: center; font-size: 40px; color: rgba(255,255,255,0.7); }
.news-body { padding: 24px; display: flex; flex-direction: column; flex: 1; }
.news-body .date { font-size: 12px; color: var(--gold-dark); font-weight: 600; }
.news-body h3 { font-size: 17px; font-weight: 700; margin: 8px 0 10px; line-height: 1.55; }
.news-body h3 a:hover { color: var(--green); }
.news-body p { font-size: 13.5px; color: var(--gray); }
.news-body .more { margin-top: auto; padding-top: 16px; font-size: 13px; color: var(--green); font-weight: 600; }

/* ---------- 资讯（文章）列表 ---------- */
.cat-filter { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; margin-bottom: 40px; }
.cat-filter a, .cat-filter span {
  font-size: 13px; padding: 6px 16px; border-radius: 20px;
  border: 1px solid var(--line); color: var(--ink-2); background: #fff;
}
.cat-filter a:hover, .cat-filter span.on { border-color: var(--green); color: var(--green); background: rgba(31,122,77,0.06); }

.post-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.post-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg);
  padding: 28px 30px; transition: all .3s; display: flex; flex-direction: column;
}
.post-card:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); border-color: transparent; }
.post-card .badge {
  display: inline-block; font-size: 12px; font-weight: 700; letter-spacing: .5px;
  color: var(--gold-dark); background: rgba(201,162,39,0.12);
  padding: 3px 10px; border-radius: 20px; margin-bottom: 14px;
}
.post-card h3 { font-size: 18px; font-weight: 700; line-height: 1.55; margin-bottom: 12px; }
.post-card h3 a:hover { color: var(--green); }
.post-card p { font-size: 14px; color: var(--gray); }
.post-meta { margin-top: auto; padding-top: 18px; font-size: 12.5px; color: var(--gray); display: flex; flex-wrap: wrap; gap: 6px 14px; }
.post-meta .src { color: var(--green); }

/* ---------- 文章正文 ---------- */
.article-layout { display: grid; grid-template-columns: 1fr 300px; gap: 46px; align-items: start; }
.article-main { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 44px 46px; }
.article-head .badge {
  display: inline-block; font-size: 12px; font-weight: 700;
  color: var(--gold-dark); background: rgba(201,162,39,0.12);
  padding: 3px 10px; border-radius: 20px; margin-bottom: 14px;
}
.article-head h1 { font-size: 30px; line-height: 1.45; font-weight: 800; color: var(--ink); }
.article-head .meta { margin-top: 16px; padding-bottom: 20px; border-bottom: 1px solid var(--line); font-size: 13px; color: var(--gray); display: flex; flex-wrap: wrap; gap: 6px 18px; }
.article-body { font-size: 16px; line-height: 2; color: var(--ink-2); }
.article-body > p:first-of-type { margin-top: 26px; font-size: 16.5px; }
.article-body p { margin-bottom: 16px; }
.article-body h2 { font-size: 23px; font-weight: 800; color: var(--ink); margin: 34px 0 14px; }
/* 正文小节（原为 h3，为修正 h1→h3 跳级统一提为 h2）—— 视觉与旧 h3 完全一致 */
.article-body h2.sub { font-size: 18px; font-weight: 700; color: var(--green-dark); margin: 28px 0 12px; padding-left: 14px; border-left: 4px solid var(--gold); }
.article-body h3 { font-size: 18px; font-weight: 700; color: var(--green-dark); margin: 28px 0 12px; padding-left: 14px; border-left: 4px solid var(--gold); }
.article-body ul, .article-body ol { padding-left: 22px; margin: 10px 0 18px; }
.article-body ul { list-style: disc; }
.article-body ol { list-style: decimal; }
.article-body li { margin-bottom: 8px; }
.article-body strong { color: var(--ink); }
.article-body a { color: var(--green); text-decoration: underline; text-underline-offset: 3px; word-break: break-all; }
.article-body blockquote { border-left: 4px solid var(--gold); background: var(--gray-light); padding: 16px 20px; margin: 18px 0; color: var(--ink-2); }
.article-body table { width: 100%; border-collapse: collapse; margin: 18px 0; font-size: 14.5px; }
.article-body th, .article-body td { border: 1px solid var(--line); padding: 10px 14px; text-align: left; }
.article-body th { background: var(--gray-light); font-weight: 700; }

.source-box {
  margin-top: 34px; padding: 20px 24px; border-radius: var(--radius);
  background: var(--gray-light); border: 1px solid var(--line); font-size: 13.5px; color: var(--gray);
}
.source-box h3, .source-box h4 { font-size: 14px; color: var(--ink); margin-bottom: 8px; }
.source-box a { color: var(--green); word-break: break-all; }

.article-side { position: sticky; top: 100px; display: grid; gap: 22px; }
.side-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 26px; }
.side-card h3, .side-card h4 { font-size: 16px; font-weight: 700; color: var(--ink); margin-bottom: 16px; padding-left: 12px; border-left: 4px solid var(--gold); }
.side-card ul li { font-size: 14px; line-height: 1.7; margin-bottom: 12px; color: var(--ink-2); }
.side-card ul li a:hover { color: var(--green); }
.side-card .date { display: block; font-size: 12px; color: var(--gray); }
.side-cta { background: linear-gradient(135deg, #0F3B27, var(--green-dark)); color: #fff; border: none; }
.side-cta h3, .side-cta h4 { color: #fff; border-left-color: var(--gold-light); }
.side-cta p { font-size: 13.5px; color: rgba(255,255,255,0.82); margin-bottom: 16px; }
.side-cta .btn { padding: 11px 22px; font-size: 14px; }

/* ---------- 资质时间线 ---------- */
.timeline { position: relative; padding-left: 30px; }
.timeline::before { content: ""; position: absolute; left: 8px; top: 6px; bottom: 6px; width: 2px; background: linear-gradient(var(--gold), var(--green)); }
.tl-item { position: relative; margin-bottom: 30px; }
.tl-item::before {
  content: ""; position: absolute; left: -27px; top: 8px; width: 12px; height: 12px;
  border-radius: 50%; background: var(--gold); box-shadow: 0 0 0 4px rgba(201,162,39,0.2);
}
.tl-item .year { font-size: 14px; font-weight: 800; color: var(--gold-dark); }
.tl-item h3, .tl-item h4 { font-size: 17px; font-weight: 700; margin: 4px 0 6px; }
.tl-item p { font-size: 14px; color: var(--gray); }

/* ---------- 联系 ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; }
.contact-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg);
  padding: 36px;
}
.contact-card h3 { font-size: 22px; font-weight: 700; margin-bottom: 22px; color: var(--ink); }
.contact-row { display: flex; gap: 16px; margin-bottom: 18px; align-items: flex-start; }
.contact-row .ico { width: 44px; height: 44px; border-radius: 12px; background: rgba(31,122,77,0.08); display: flex; align-items: center; justify-content: center; font-size: 20px; flex-shrink: 0; }
.contact-row .lbl { font-size: 13px; color: var(--gray); }
.contact-row .val { font-size: 16px; font-weight: 600; color: var(--ink); overflow-wrap: anywhere; }
.contact-row .val a { color: var(--green); font-variant-numeric: tabular-nums; letter-spacing: .3px; display: inline-block; padding: 3px 0; }
.contact-row .val a:hover { color: var(--gold-dark); }

/* ---------- 业务专线（板块内 / 资源智能化服务平台 / 联系我们页） ----------
   设计意图：电话不再是一行裸文字挂在卡片末尾，而是卡内底部对齐的「电话条」——
   .svc-phones 用 margin-top:auto 把所有卡片里的电话条压到同一条水平线上，
   grid 行内各卡的号码因此整齐成排，不会再随正文长短参差不齐。 */
.svc-phones { margin-top: auto; padding-top: 22px; display: flex; flex-direction: column; gap: 8px; }
.svc-phone {
  display: flex; align-items: center; justify-content: space-between; gap: 4px 12px;
  padding: 11px 15px; border-radius: 10px;
  background: rgba(31,122,77,0.055); border: 1px solid rgba(31,122,77,0.12);
}
.svc-phone .pn-label { font-size: 12.5px; color: var(--gray); }
.svc-phone .pn-num {
  font-size: 15.5px; font-weight: 800; color: var(--green);
  letter-spacing: .4px; font-variant-numeric: tabular-nums; white-space: nowrap;
}
.svc-phone .pn-num:hover { color: var(--gold-dark); }
.phone-bar { display: flex; flex-wrap: wrap; gap: 12px 18px; justify-content: center; margin-top: 40px; }
.phone-bar .svc-phone { flex: 0 0 auto; }
.phone-hint { font-size: 12.5px; color: var(--gray); line-height: 1.85; margin-top: 20px; }

/* ---------- 标签 ---------- */
.ai-badge {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 12px; color: var(--green); background: rgba(31,122,77,0.08);
  border: 1px solid rgba(31,122,77,0.2); padding: 3px 10px; border-radius: 20px;
  font-weight: 600;
}
.ai-badge-dark { color: rgba(255,255,255,0.72); background: rgba(255,255,255,0.08); border-color: rgba(255,255,255,0.18); }

/* ---------- 页脚 ---------- */
.footer { background: #0C2A1B; color: rgba(255,255,255,0.7); padding: 70px 0 0; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.4fr; gap: 40px; padding-bottom: 50px; }
.footer h2, .footer h4 { color: #fff; font-size: 16px; font-weight: 700; margin-bottom: 20px; }
.footer p { font-size: 13.5px; line-height: 1.9; }
.footer a { font-size: 13.5px; display: block; margin-bottom: 10px; transition: color .2s; }
.footer a:hover { color: var(--gold-light); }
.footer-logo { height: 53px; width: auto; margin-bottom: 16px; }
.footer-badges { margin-top: 14px; }
.footer-badges a { display: inline; margin: 0; }
.footer-links a { display: inline; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.1); padding: 22px 0; font-size: 12.5px; text-align: center; color: rgba(255,255,255,0.5); }
/* ICP 备案号 + 工信部链接（合规必备：备案号须在页面底部可见并链接至 beian.miit.gov.cn） */
.footer-icp { margin-top: 8px; display: flex; align-items: center; justify-content: center; gap: 7px; flex-wrap: wrap; }
.footer-icp a {
  display: inline-flex; align-items: center; gap: 5px; margin: 0;
  font-size: 12.5px; color: inherit; font-weight: 500; transition: color .2s;
}
.footer-icp a:hover { color: var(--gold-light); text-decoration: underline; text-underline-offset: 2px; }
.footer-icp-icon { flex: 0 0 auto; opacity: .85; }
.footer-icp-sep { opacity: .55; }

/* ---------- 数据来源 / GEO 说明块 ---------- */
.data-note {
  margin-top: 46px; padding: 26px 30px; border-radius: var(--radius-lg);
  background: var(--gray-light); border: 1px solid var(--line);
  font-size: 13.5px; color: var(--gray);
}
.data-note h3, .data-note h4 { font-size: 14px; color: var(--ink); margin-bottom: 10px; }
.data-note ul { list-style: disc; padding-left: 20px; }
.data-note li { margin-bottom: 6px; }

/* ==========================================================================
   响应式
   折叠屏适配说明：断点刻意覆盖折叠屏的两种形态 ——
     · 折叠态 / 外屏：280（Galaxy Fold 外屏）、320、344、360、375、412
     · 展开态 / 内屏：600、653、673、717、811、884
   断点取在「布局会碎」的位置，而不是 768/1024 这类整数：
   展开态 673px 恰好落在旧断点 640~980 的空档里 —— 那一段仍在用横排导航
   （实测需要 ≈1000px：logo 165 + 7 项 ×(文字 + 30px 间距) + 咨询按钮 ~120），
   结果被挤成多行却不报溢出，是折叠屏最常见的破版点。故导航抽屉断点提到 1024。
   ========================================================================== */
@media (max-width: 1100px) {
  .article-layout { grid-template-columns: 1fr; }
  .article-side { position: static; grid-template-columns: 1fr 1fr; }
}
@media (max-width: 1024px) {
  .nav { display: none; }
  .nav-toggle { display: flex; }
  .nav.open {
    display: flex; flex-direction: column; align-items: stretch; gap: 0;
    position: absolute; top: var(--header-h); left: 0; right: 0;
    background: #fff; padding: 6px 24px 18px;
    box-shadow: var(--shadow-md);
    max-height: calc(100vh - var(--header-h)); overflow-y: auto;
    -webkit-overflow-scrolling: touch;
  }
  .nav.open a { padding: 12px 0; font-size: 16px; border-bottom: 1px solid var(--line); }
  .nav.open a.active::after, .nav.open a:hover::after { display: none; }
  .nav.open .btn-nav { margin-top: 12px; text-align: center; border-bottom: none; }
}
@media (max-width: 980px) {
  .hero .container { grid-template-columns: 1fr; padding-top: 50px; padding-bottom: 60px; }
  .hero h1 { font-size: 36px; }
  .grid-3, .news-grid { grid-template-columns: 1fr 1fr; }
  .honor-grid, .stats-grid { grid-template-columns: 1fr 1fr; }
  .sys-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .post-list { grid-template-columns: 1fr; }
}
/* 760：两列卡片在展开态 673px 下每列仅 ~300px，正文压到 16 字/行 → 改单列
   这里必须 !important：部分区块用的是内联 grid-template-columns:repeat(auto-fit,minmax(300px,1fr))，
   内联样式优先级高于样式表，不加重就会在 280px（Galaxy Fold 外屏）下被 300px 轨道下限顶破视口。 */
@media (max-width: 760px) {
  .grid-3, .news-grid { grid-template-columns: 1fr !important; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); }
  .service-card { padding: 28px 22px; }
  .contact-card { padding: 30px 24px; }
  .cta .inner { padding: 46px 26px; }
  .phone-bar { gap: 8px 24px; margin-top: 30px; }
}
@media (max-width: 720px) {
  .article-main { padding: 30px 22px; }
  .article-head h1 { font-size: 24px; }
  .btn-primary, .btn-ghost, .btn-line { white-space: normal; max-width: 100%; text-align: center; }
  .nav .btn-nav { white-space: normal; }
  section { padding: 60px 0; }
  .section-head { margin-bottom: 40px; }
}
@media (max-width: 640px) {
  :root { --header-h: 68px; }
  .container { padding: 0 20px; }
  .nav.open { padding: 6px 20px 16px; }
  .honor-grid, .stats-grid, .hero-stats { grid-template-columns: 1fr; }
  .hero h1 { font-size: 30px; }
  .section-head h2 { font-size: 28px; }
  .topbar .contact-info span.hide-sm { display: none; }
  .article-side { grid-template-columns: 1fr; }
  .logo img { height: 36px; }
  .hero-visual .card { padding: 26px 22px; }
  .hero-stat { padding: 16px; }
  .page-hero { padding: 44px 0; }
  .page-hero h1, .page-hero .page-title { font-size: 28px; }
  .cta h2 { font-size: 26px; }
  .faq-q { padding: 16px 18px; font-size: 15px; }
  .faq-a-inner { padding: 0 18px 18px; }
  .article-main { padding: 26px 18px; }
  .stats-band { padding: 52px 0; }
  .data-note { padding: 20px 18px; }
  .contact-row .val { font-size: 15px; }
  .svc-phone .pn-num { font-size: 15px; }
  .svc-phone { padding: 10px 12px; }
}
@media (max-width: 560px) {
  .footer-grid { grid-template-columns: 1fr; gap: 30px; padding-bottom: 36px; }
  .footer { padding-top: 52px; }
  .footer-logo { height: 44px; }
  .topbar { font-size: 12px; }
  .topbar .contact-info { gap: 2px 14px; }
  .stat-item .num { font-size: 36px; }
}
@media (max-width: 420px) {
  .container { padding: 0 16px; }
  .hero .container { padding-top: 40px; padding-bottom: 46px; }
  .hero h1 { font-size: 27px; line-height: 1.35; }
  .hero .lead { font-size: 15.5px; }
  .hero-stat .num { font-size: 26px; }
  .section-head { margin-bottom: 32px; }
  .section-head h2 { font-size: 24px; }
  .section-head p { font-size: 15px; }
  section { padding: 48px 0; }
  .service-card { padding: 24px 18px; }
  .service-card h3 { font-size: 18px; }
  .honor-card { padding: 22px 16px; }
  .contact-card { padding: 24px 18px; }
  .contact-card h3 { font-size: 19px; }
  .contact-row { gap: 12px; }
  .contact-row .ico { width: 38px; height: 38px; font-size: 18px; border-radius: 10px; }
  .stat-item .num { font-size: 30px; }
  .cta h2 { font-size: 23px; }
  .cta .inner { padding: 38px 20px; }
  .article-main { padding: 22px 16px; }
  .page-hero { padding: 38px 0; }
  .page-hero h1, .page-hero .page-title { font-size: 25px; }
  .hero-visual .card { padding: 22px 16px; }
  .hv-badge { gap: 8px; }
  .hv-badge span { padding: 6px 12px; font-size: 12.5px; }
  .sys-grid { grid-template-columns: 1fr; }
  .sys-claim { padding: 16px 18px; font-size: 14px; }
  .logo img { height: 32px; }
  .btn { padding: 12px 22px; font-size: 14.5px; }
  .footer-bottom { font-size: 11.5px; line-height: 1.9; text-align: left; }
  .footer-icp { justify-content: flex-start; }
  .footer-icp a { font-size: 11.5px; }
}
/* 340：折叠屏外屏（280 / 320 / 344）—— 去掉一切可以省的横向留白 */
@media (max-width: 340px) {
  .container { padding: 0 14px; }
  .hero h1 { font-size: 24px; }
  .hero-stat .num { font-size: 23px; }
  .stat-item .num { font-size: 26px; }
  .section-head h2 { font-size: 22px; }
  .service-card, .contact-card { padding: 20px 14px; }
  .service-card p, .post-card p { font-size: 14px; }
  .svc-phone { gap: 2px 8px; padding: 9px 11px; }
  .svc-phone .pn-num { font-size: 14.5px; letter-spacing: 0; }
  .topbar { font-size: 11.5px; }
  .topbar .contact-info { gap: 2px 10px; }
  .news-cover { height: 96px; font-size: 32px; }
  .news-body, .post-card { padding-left: 16px; padding-right: 16px; }
}

/* ---------- 栅格子项防溢出（Grid 项默认 min-width:auto 会撑破容器） ---------- */
.grid-3 > *, .news-grid > *, .honor-grid > *, .stats-grid > *,
.post-list > *, .contact-grid > *, .footer-grid > *, .article-layout > *,
.hero .container > *, .hero-stats > * { min-width: 0; }
.article-body { overflow-wrap: anywhere; }

/* ---------- 正文内嵌视频（iframe）：响应式 16:9，窄屏自适应 ---------- */
.article-body iframe {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  height: auto;
  min-height: 180px;
  margin: 24px 0;
  border: 0;
  border-radius: 10px;
  background: #000;
}

/* ---------- 语言切换按钮（中 / EN，2026-10-27 英文版上线） ---------- */
.lang-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-left: 10px;
  padding: 4px 12px;
  border: 1.5px solid var(--green);
  border-radius: 999px;
  color: var(--green-dark);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-decoration: none;
  line-height: 1.4;
  transition: background .2s, color .2s;
}
.lang-toggle:hover { background: var(--green); color: #fff; }
@media (max-width: 960px) {
  .lang-toggle { margin: 8px 0 2px; align-self: flex-start; }
}