/* ========================================================
   联珍老号官网 · 绿色健康视觉体系
   主色 #0A6E3A / 辅助 #2E9E6B / 浅绿 #E7F5EC / 米白 #FAFBF7
   文字 #123E29 / 次级 #5C7A6A / 点缀 #F5B94A / 警示 #C94F3D
   ======================================================== */
:root {
  --green: #0A6E3A;
  --green-2: #2E9E6B;
  --green-bg: #E7F5EC;
  --bg: #FAFBF7;
  --ink: #123E29;
  --muted: #5C7A6A;
  --gold: #F5B94A;
  --warn: #C94F3D;
  --line: #DCE8E0;
  --radius: 12px;
  --shadow: 0 2px 10px rgba(18, 62, 41, .06);
  --shadow-h: 0 8px 24px rgba(18, 62, 41, .12);
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", "Helvetica Neue", Arial, sans-serif;
  color: var(--ink); background: var(--bg);
  font-size: 16px; line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: var(--green); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3, h4 { line-height: 1.35; font-weight: 700; }
.wrap { max-width: 1200px; margin: 0 auto; padding: 0 20px; }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-block; padding: 12px 28px; border-radius: 8px;
  font-size: 16px; font-weight: 600; border: 1px solid transparent;
  cursor: pointer; transition: all .2s; text-align: center;
}
.btn:hover { text-decoration: none; }
.btn-primary { background: var(--green); color: #fff; }
.btn-primary:hover { background: #085c30; }
.btn-secondary { background: var(--green-bg); color: var(--green); border-color: #CBE5D6; }
.btn-secondary:hover { background: #D8EFE2; }
.btn-gold { background: var(--gold); color: #4A3410; }
.btn-gold:hover { background: #EEAC30; }
.btn-lg { padding: 15px 38px; font-size: 17px; }
.btn-sm { padding: 8px 18px; font-size: 14px; }

/* ---------- 页眉 ---------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255, 255, 255, .96); backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.header-in { display: flex; align-items: center; gap: 28px; height: 72px; }
.logo img { height: 46px; width: auto; }
.main-nav { display: flex; align-items: center; gap: 4px; margin-left: auto; }
.nav-item { position: relative; }
.nav-item > a {
  display: block; padding: 10px 16px; color: var(--ink);
  font-size: 16px; font-weight: 500; border-radius: 8px;
}
.nav-item > a:hover { text-decoration: none; background: var(--green-bg); }
.nav-item.active > a { color: var(--green); font-weight: 700; }
.nav-item.active::after {
  content: ""; position: absolute; left: 16px; right: 16px; bottom: 2px;
  height: 3px; border-radius: 2px; background: var(--green);
}
.submenu {
  display: none; position: absolute; top: 100%; left: 0; min-width: 170px;
  background: #fff; border: 1px solid var(--line); border-radius: 10px;
  box-shadow: var(--shadow-h); padding: 8px; z-index: 20;
}
.nav-item:hover .submenu { display: block; }
.submenu a { display: block; padding: 9px 14px; border-radius: 8px; color: var(--ink); font-size: 15px; }
.submenu a:hover { background: var(--green-bg); text-decoration: none; }
.header-cta { flex-shrink: 0; }
.nav-toggle, .nav-burger { display: none; }

/* ---------- 面包屑 ---------- */
.crumbs { background: var(--green-bg); padding: 12px 0; font-size: 14px; color: var(--muted); }
.crumbs a { color: var(--green); }
.crumbs i { font-style: normal; margin: 0 8px; color: #9DB8A8; }

/* ---------- Hero ---------- */
.hero {
  background: linear-gradient(135deg, #0A6E3A 0%, #0E7E44 55%, #2E9E6B 100%);
  color: #fff; overflow: hidden;
}
.hero-in { display: flex; align-items: center; gap: 48px; padding: 72px 20px; }
.hero-text { flex: 1.15; min-width: 0; }
.hero-tag {
  display: inline-block; background: rgba(255, 255, 255, .14); border: 1px solid rgba(255, 255, 255, .35);
  padding: 5px 16px; border-radius: 999px; font-size: 14px; letter-spacing: 2px; margin-bottom: 22px;
}
.hero h1 { font-size: 40px; letter-spacing: 1px; margin-bottom: 16px; }
.hero p.sub { font-size: 19px; opacity: .92; margin-bottom: 32px; }
.hero-acts { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-acts .btn-secondary { background: #fff; border-color: #fff; }
.hero-acts .btn-gold { background: var(--gold); }
.hero-img { flex: .85; }
.hero-img img { border-radius: 18px; box-shadow: 0 18px 50px rgba(0, 0, 0, .28); }

/* ---------- 信任徽标带 ---------- */
.trust-band { background: #fff; border-bottom: 1px solid var(--line); }
.trust-in { display: flex; flex-wrap: wrap; justify-content: center; gap: 14px 38px; padding: 18px 20px; }
.trust-in span { color: var(--green); font-weight: 600; font-size: 15px; }
.trust-in span::before { content: "✔"; margin-right: 8px; color: var(--green-2); }

/* ---------- 区块通用 ---------- */
section.sec { padding: 80px 0; }
section.sec.alt { background: var(--green-bg); }
.sec-head { text-align: center; max-width: 720px; margin: 0 auto 48px; }
.sec-head .kicker {
  display: inline-block; color: var(--green-2); font-size: 14px; letter-spacing: 4px;
  font-weight: 600; margin-bottom: 10px; text-transform: uppercase;
}
.sec-head h2 { font-size: 30px; margin-bottom: 12px; }
.sec-head p { color: var(--muted); font-size: 16px; }

/* ---------- 卡片 ---------- */
.cards { display: grid; gap: 24px; }
.cards.c3 { grid-template-columns: repeat(3, 1fr); }
.cards.c2 { grid-template-columns: repeat(2, 1fr); }
.cards.c4 { grid-template-columns: repeat(4, 1fr); }
.card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 30px; box-shadow: var(--shadow); transition: all .25s;
}
.card:hover { box-shadow: var(--shadow-h); transform: translateY(-4px); }
.card h3 { font-size: 19px; margin-bottom: 10px; }
.card .card-icon {
  width: 54px; height: 54px; border-radius: 12px; background: var(--green-bg);
  display: flex; align-items: center; justify-content: center; font-size: 26px; margin-bottom: 16px;
}
.card p { color: var(--muted); font-size: 15px; }
.card .more { display: inline-block; margin-top: 16px; font-weight: 600; }
.card .lead-line { color: var(--green); font-weight: 600; font-size: 15px; margin-bottom: 8px; }

/* 产品速览卡（带图） */
.pcard { overflow: hidden; padding: 0; display: flex; flex-direction: column; }
.pcard img { width: 100%; height: 230px; object-fit: cover; }
.pcard .pcard-body { padding: 24px 26px 28px; flex: 1; display: flex; flex-direction: column; }
.pcard .pcard-body p { flex: 1; }

/* ---------- 数据带 ---------- */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; text-align: center; }
.stat b { display: block; font-size: 42px; color: var(--green); line-height: 1.2; }
.stat b small { font-size: 18px; font-weight: 700; }
.stat span { color: var(--muted); font-size: 15px; }

/* ---------- 双栏图文 ---------- */
.duo { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.duo img { border-radius: var(--radius); box-shadow: var(--shadow-h); }
.duo h2 { font-size: 28px; margin-bottom: 16px; }
.duo ul.checks { margin: 18px 0 26px; }
ul.checks { list-style: none; }
ul.checks li { padding-left: 30px; position: relative; margin-bottom: 10px; color: var(--ink); }
ul.checks li::before {
  content: "✔"; position: absolute; left: 0; top: 0; color: var(--green-2); font-weight: 700;
}

/* ---------- 步骤流程 ---------- */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; counter-reset: step; }
.step { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; position: relative; }
.step::before {
  counter-increment: step; content: counter(step, decimal-leading-zero);
  font-size: 30px; font-weight: 800; color: var(--green-bg);
  -webkit-text-stroke: 1px var(--green-2); position: absolute; top: 14px; right: 18px;
}
.step h4 { font-size: 17px; margin-bottom: 8px; color: var(--green); }
.step p { font-size: 14px; color: var(--muted); }
.steps-8 { grid-template-columns: repeat(4, 1fr); }
.steps-5 { grid-template-columns: repeat(5, 1fr); gap: 16px; }
.steps-5 .step { padding: 20px; }

/* ---------- FAQ ---------- */
.faq details {
  background: #fff; border: 1px solid var(--line); border-radius: 10px;
  margin-bottom: 14px; padding: 18px 24px;
}
.faq summary {
  cursor: pointer; font-weight: 600; font-size: 17px; color: var(--ink);
  list-style: none; position: relative; padding-right: 30px;
}
.faq summary::after {
  content: "+"; position: absolute; right: 2px; top: -2px; font-size: 22px; color: var(--green);
  transition: transform .2s;
}
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p, .faq details .ans { margin-top: 12px; color: var(--muted); font-size: 15px; }
.faq details .ans { line-height: 1.8; }

/* ---------- 表格 ---------- */
.tbl { width: 100%; border-collapse: collapse; background: #fff; border-radius: 10px; overflow: hidden; box-shadow: var(--shadow); }
.tbl th, .tbl td { padding: 14px 18px; border-bottom: 1px solid var(--line); text-align: left; font-size: 15px; }
.tbl th { background: var(--green); color: #fff; font-weight: 600; }
.tbl tr:last-child td { border-bottom: none; }
.tbl tr:nth-child(even) td { background: #F4FAF6; }
.tbl td.k { color: var(--green); font-weight: 600; white-space: nowrap; }

/* ---------- 产品标签云（五大类调味料） ---------- */
.s-list { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }
.s-item {
  background: var(--green-bg); color: var(--green); border: 1px solid #D5EBDF;
  border-radius: 999px; padding: 5px 14px; font-size: 13.5px;
}

/* ---------- 资质证书 ---------- */
.cert-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.cert { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 16px; text-align: center; }
.cert img { width: 100%; height: 240px; object-fit: contain; border-radius: 6px; background: #F6F6F2; }
.cert h4 { font-size: 15px; margin-top: 12px; }
.cert p { font-size: 13px; color: var(--muted); }

/* ---------- 时间线 ---------- */
.timeline { position: relative; margin-left: 12px; padding-left: 36px; border-left: 3px solid var(--green-2); }
.tl-item { position: relative; margin-bottom: 40px; }
.tl-item::before {
  content: ""; position: absolute; left: -46px; top: 6px; width: 15px; height: 15px;
  border-radius: 50%; background: var(--green); border: 3px solid var(--green-bg);
}
.tl-item .tl-year { font-size: 24px; font-weight: 800; color: var(--green); }
.tl-item h4 { font-size: 17px; margin: 6px 0; }
.tl-item p { color: var(--muted); font-size: 15px; max-width: 760px; }

/* ---------- 表单 ---------- */
.form-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 36px; box-shadow: var(--shadow); }
.f-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.f-item { display: flex; flex-direction: column; }
.f-item.full { grid-column: 1 / -1; }
.f-item label { font-size: 14px; font-weight: 600; margin-bottom: 7px; }
.f-item label em { color: var(--warn); font-style: normal; margin-left: 2px; }
.f-item input, .f-item select, .f-item textarea {
  border: 1px solid #C9D8CF; border-radius: 8px; padding: 12px 14px; font-size: 15px;
  font-family: inherit; background: #fff; color: var(--ink);
}
.f-item input:focus, .f-item select:focus, .f-item textarea:focus {
  outline: none; border-color: var(--green-2); box-shadow: 0 0 0 3px rgba(46, 158, 107, .15);
}
.f-item .err { color: var(--warn); font-size: 13px; margin-top: 5px; display: none; }
.f-item.invalid input, .f-item.invalid textarea { border-color: var(--warn); }
.f-item.invalid .err { display: block; }
.f-privacy { font-size: 13px; color: var(--muted); margin-top: 14px; }
.f-success {
  display: none; background: var(--green-bg); border: 1px solid #BFE0CD; color: var(--green);
  border-radius: 10px; padding: 16px 20px; font-weight: 600; margin-top: 16px;
}
/* 蜜罐字段 */
.hp { position: absolute; left: -9999px; opacity: 0; height: 0; overflow: hidden; }

/* ---------- CTA 转化区 ---------- */
.cta-band { background: linear-gradient(120deg, var(--green) 0%, var(--green-2) 100%); color: #fff; padding: 64px 0; text-align: center; }
.cta-band h2 { font-size: 30px; margin-bottom: 12px; }
.cta-band p { opacity: .92; margin-bottom: 28px; font-size: 17px; }
.cta-band .phone-big { font-size: 26px; font-weight: 800; letter-spacing: 1px; display: inline-block; margin-left: 18px; color: var(--gold); }

/* ---------- 新闻列表 ---------- */
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.ncard { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; transition: all .25s; box-shadow: var(--shadow); display: flex; flex-direction: column; }
.ncard:hover { box-shadow: var(--shadow-h); transform: translateY(-4px); }
.ncard .n-body { padding: 22px 24px 24px; flex: 1; display: flex; flex-direction: column; }
.ncard .n-meta { font-size: 13px; color: var(--muted); margin-bottom: 8px; }
.ncard .n-meta .cat { color: var(--green); background: var(--green-bg); border-radius: 4px; padding: 2px 8px; margin-right: 10px; }
.ncard h3 { font-size: 17px; line-height: 1.5; margin-bottom: 8px; }
.ncard h3 a { color: var(--ink); }
.ncard h3 a:hover { color: var(--green); }
.ncard p { font-size: 14px; color: var(--muted); flex: 1; }
.pager { display: flex; justify-content: center; gap: 10px; margin-top: 40px; }
.pager a, .pager span {
  min-width: 40px; padding: 8px 14px; text-align: center; border-radius: 8px;
  border: 1px solid var(--line); background: #fff; font-size: 15px;
}
.pager .cur { background: var(--green); color: #fff; border-color: var(--green); }

/* ---------- 文章详情 ---------- */
.article { background: #fff; border-radius: var(--radius); box-shadow: var(--shadow); padding: 48px; max-width: 860px; margin: 0 auto; }
.article .a-meta { color: var(--muted); font-size: 14px; margin-bottom: 24px; padding-bottom: 18px; border-bottom: 1px solid var(--line); }
.article h1 { font-size: 28px; margin-bottom: 14px; }
.article h2 { font-size: 21px; margin: 30px 0 12px; padding-left: 12px; border-left: 4px solid var(--green); }
.article h3 { font-size: 18px; margin: 22px 0 10px; }
.article p { margin-bottom: 14px; color: #2A4A38; }
.article ul, .article ol { margin: 0 0 16px 24px; }
.article li { margin-bottom: 8px; color: #2A4A38; }
.article .a-summary { background: var(--green-bg); border-radius: 10px; padding: 16px 20px; margin-bottom: 24px; font-size: 15px; color: var(--ink); }
.article .a-tags { margin-top: 28px; }
.article .a-tags span { display: inline-block; background: var(--green-bg); color: var(--green); border-radius: 999px; padding: 4px 14px; font-size: 13px; margin: 0 8px 8px 0; }
.a-nav { display: flex; justify-content: space-between; max-width: 860px; margin: 20px auto 0; font-size: 15px; }

/* ---------- 联系页 ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 40px; align-items: stretch; }
.contact-info { display: flex; flex-direction: column; }
.contact-info .ci-item { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 22px 26px; margin-bottom: 18px; box-shadow: var(--shadow); flex: 1; display: flex; flex-direction: column; justify-content: center; }
.contact-info .ci-item:last-child { margin-bottom: 0; }
.contact-info .ci-item h4 { color: var(--green); font-size: 16px; margin-bottom: 6px; }
.contact-info .ci-item p { color: var(--ink); font-size: 15px; }
.contact-info .ci-item a { font-weight: 700; font-size: 19px; }

/* ---------- 浮动咨询 ---------- */
.float-bar { position: fixed; right: 18px; bottom: 18px; z-index: 90; display: flex; flex-direction: column; gap: 10px; }
.float-bar .fb-item {
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 3px;
  width: 62px; height: 62px; border-radius: 50%; border: none; cursor: pointer;
  background: var(--green); color: #fff; text-align: center;
  font-size: 11px; line-height: 1.15; font-weight: 600; font-family: inherit;
  box-shadow: var(--shadow-h); transition: transform .2s;
}
.float-bar .fb-item svg { width: 20px; height: 20px; display: block; }
.float-bar .fb-item:hover { transform: scale(1.08); text-decoration: none; }
.float-bar .fb-phone { background: var(--gold); color: #4A3410; }
.float-bar .fb-wechat { background: #2AA05A; }

/* 微信二维码弹窗 */
.wx-mask { position: fixed; inset: 0; z-index: 200; background: rgba(11, 43, 26, .55); display: flex; align-items: center; justify-content: center; }
.wx-mask[hidden] { display: none; }
.wx-modal { position: relative; background: #fff; border-radius: 14px; padding: 26px 34px 22px; text-align: center; box-shadow: var(--shadow-h); max-width: 90vw; }
.wx-modal h3 { margin: 0; color: var(--green); font-size: 18px; }
.wx-modal p { margin: 6px 0 0; color: #666; font-size: 13px; }
.wx-modal img { display: block; width: 220px; height: 220px; margin: 14px auto 10px; border: 1px solid #E5E0D5; border-radius: 8px; background: #fff; }
.wx-close { position: absolute; top: 6px; right: 12px; border: none; background: none; font-size: 26px; line-height: 1; color: #999; cursor: pointer; }
.wx-close:hover { color: var(--green); }

/* ---------- 页脚 ---------- */
.site-footer { background: #0B3B25; color: #CBE0D3; margin-top: 0; }
.foot-grid { display: grid; grid-template-columns: 1.7fr 1fr 1fr 1fr 1fr; gap: 32px; padding: 56px 20px 40px; }
.foot-brand img { background: #fff; border-radius: 8px; padding: 6px; width: 200px; height: auto; }
.foot-slogan { margin: 16px 0; font-size: 15px; line-height: 1.8; }
.foot-addr { font-size: 14px; margin-bottom: 6px; color: #A9C7B4; }
.foot-addr a { color: #F5B94A; font-weight: 700; }
.foot-col h4 { color: #fff; font-size: 16px; margin-bottom: 16px; }
.foot-col a { display: block; color: #CBE0D3; font-size: 14px; margin-bottom: 10px; }
.foot-col a:hover { color: #fff; }
.foot-badges { display: flex; flex-wrap: wrap; justify-content: center; text-align: center; gap: 10px 22px; padding: 0 20px 26px; border-top: 1px solid rgba(255, 255, 255, .12); padding-top: 24px; }
.foot-badges span { font-size: 13px; color: #A9C7B4; }
.foot-badges span::before { content: "🏅 "; }
.foot-icp { border-top: 1px solid rgba(255, 255, 255, .12); padding: 18px 0 20px; font-size: 13px; color: #86A895; }
.foot-icp a { color: #86A895; }
.foot-icp-in { text-align: center; }
.foot-contact { font-size: 14px; color: #CBE0D3; margin-bottom: 8px; }
.foot-contact a { color: #F5B94A; font-weight: 700; }
.foot-copy { line-height: 1.9; }

/* ---------- 返回顶部 ---------- */
.to-top {
  position: fixed; left: 18px; bottom: 18px; z-index: 90; width: 44px; height: 44px;
  border-radius: 50%; background: #fff; color: var(--green); border: 1px solid var(--line);
  font-size: 20px; cursor: pointer; box-shadow: var(--shadow); display: none;
}
.to-top.show { display: block; }

/* ---------- 新闻栏目筛选条 ---------- */
.cat-bar { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; margin: -20px 0 40px; }
.cat-bar a {
  background: #fff; border: 1px solid var(--line); color: var(--ink);
  border-radius: 999px; padding: 9px 22px; font-size: 15px; transition: all .2s;
}
.cat-bar a:hover { background: var(--green-bg); color: var(--green); text-decoration: none; }
.cat-bar a.cur { background: var(--green); border-color: var(--green); color: #fff; font-weight: 600; }
.cat-back { text-align: center; margin-top: 36px; font-size: 15px; }

/* ---------- FAQ 中心 ---------- */
.faq-layout { display: grid; grid-template-columns: 260px 1fr; gap: 40px; align-items: start; }
.faq-side { position: sticky; top: 92px; }
.faq-nav { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; box-shadow: var(--shadow); }
.faq-nav h3 { font-size: 16px; margin-bottom: 12px; color: var(--green); }
.faq-nav a { display: flex; justify-content: space-between; align-items: center; padding: 10px 12px; border-radius: 8px; font-size: 15px; color: var(--ink); }
.faq-nav a:hover { background: var(--green-bg); color: var(--green); text-decoration: none; }
.faq-nav a em { font-style: normal; font-size: 12px; color: var(--muted); background: var(--green-bg); border-radius: 999px; padding: 1px 9px; }
.faq-side-cta { background: var(--green); color: #fff; border-radius: var(--radius); padding: 22px; margin-top: 18px; }
.faq-side-cta h3 { font-size: 16px; margin-bottom: 8px; color: #fff; }
.faq-side-cta p { font-size: 14px; opacity: .9; margin-bottom: 14px; }
.faq-side-cta .btn { background: #fff; color: var(--green); border-color: #fff; }
.faq-group { margin-bottom: 44px; scroll-margin-top: 90px; }
.faq-group h2 { font-size: 22px; margin-bottom: 18px; display: flex; align-items: center; gap: 12px; }
.faq-group .g-idx {
  font-size: 14px; color: #fff; background: var(--green-2); border-radius: 6px;
  padding: 3px 9px; font-weight: 700;
}

/* ---------- 资料下载 ---------- */
.dl-grid { gap: 26px; }
.dl-card { overflow: hidden; padding: 0; display: flex; flex-direction: column; }
.dl-img { height: 168px; overflow: hidden; background: var(--green-bg); }
.dl-img img { width: 100%; height: 100%; object-fit: cover; }
.dl-body { padding: 22px 24px 26px; flex: 1; display: flex; flex-direction: column; }
.dl-type { display: inline-block; align-self: flex-start; font-size: 12px; color: var(--green); background: var(--green-bg); border-radius: 4px; padding: 3px 10px; margin-bottom: 10px; }
.dl-body h3 { font-size: 18px; margin-bottom: 10px; }
.dl-body p { font-size: 14px; color: var(--muted); flex: 1; }
.dl-meta { font-size: 13px; color: var(--muted); margin: 12px 0 16px; }
.dl-act { margin-top: auto; }

/* ---------- 站点地图 ---------- */
.sm-wrap { display: grid; grid-template-columns: repeat(2, 1fr); gap: 32px; }
.sm-group { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 26px 28px; box-shadow: var(--shadow); }
.sm-group h2 { font-size: 19px; color: var(--green); margin-bottom: 14px; padding-bottom: 10px; border-bottom: 1px solid var(--green-bg); }
.sm-group ul { list-style: none; }
.sm-group li { margin-bottom: 12px; }
.sm-group li a { font-weight: 600; font-size: 15px; }
.sm-group li span { display: block; font-size: 13px; color: var(--muted); margin-top: 2px; }

/* ---------- 站内搜索 ---------- */
.search-box { display: flex; gap: 10px; margin-bottom: 12px; }
.search-box input {
  flex: 1; padding: 14px 18px; font-size: 16px; border: 1px solid var(--line);
  border-radius: var(--radius); outline: none; font-family: inherit;
}
.search-box input:focus { border-color: var(--green); }
.sr-count { font-size: 13px; color: var(--muted); margin-bottom: 18px; min-height: 18px; }
.sr-list { list-style: none; }
.sr-item { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 18px 22px; margin-bottom: 14px; box-shadow: var(--shadow); }
.sr-item a { font-size: 17px; font-weight: 600; }
.sr-type { display: inline-block; font-size: 12px; color: var(--green); background: var(--green-bg); border-radius: 4px; padding: 2px 9px; margin-left: 10px; vertical-align: 2px; }
.sr-item p { font-size: 14px; color: var(--muted); margin-top: 8px; }
.sr-empty { text-align: center; color: var(--muted); padding: 30px 0; }

/* ---------- 文章分享与相关阅读 ---------- */
.a-share { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; margin-top: 28px; padding-top: 20px; border-top: 1px solid var(--line); }
.a-share span { font-size: 14px; color: var(--muted); }
.rel-box { max-width: 860px; margin: 40px auto 0; }
.rel-box h2 { font-size: 20px; margin-bottom: 18px; padding-left: 12px; border-left: 4px solid var(--green); }
.rel-grid { grid-template-columns: repeat(3, 1fr); }

/* ---------- 404 ---------- */
.nf-code { font-size: 96px; font-weight: 800; color: var(--green-bg); line-height: 1; letter-spacing: 4px; }
.nf-acts { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.nf-links { margin-top: 48px; }
.nf-links h2 { font-size: 17px; margin-bottom: 14px; color: var(--green); }
.nf-links ul { list-style: none; display: flex; flex-wrap: wrap; gap: 12px 28px; justify-content: center; }
.nf-links li a { font-size: 15px; }

/* ---------- 页脚补充链接 ---------- */
.foot-links { display: inline-block; margin-left: 12px; }
.foot-links a { color: #86A895; }
.foot-links a:hover { color: #CBE0D3; }

/* ---------- 响应式 ---------- */
@media (max-width: 1023px) {
  .faq-layout { grid-template-columns: 1fr; }
  .faq-side { position: static; }
  .faq-nav { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; }
  .faq-nav h3 { width: 100%; margin-bottom: 6px; }
  .faq-nav a { padding: 8px 14px; border: 1px solid var(--line); }
  .sm-wrap { grid-template-columns: 1fr; }
  .rel-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 1199px) {
  .hero h1 { font-size: 32px; }
  .cards.c4, .steps { grid-template-columns: repeat(2, 1fr); }
  .steps-5 { grid-template-columns: repeat(5, 1fr); gap: 12px; }
  .steps-5 .step { padding: 16px; }
  .steps-5 .step h4 { font-size: 15px; }
  .steps-5 .step p { font-size: 13px; }
  .cert-grid { grid-template-columns: repeat(3, 1fr); }
  .news-grid { grid-template-columns: repeat(2, 1fr); }
  .foot-grid { grid-template-columns: 1fr 1fr; }
  .foot-brand { grid-column: 1 / -1; }
  .foot-col h4 { margin-bottom: 12px; }
}
@media (max-width: 767px) {
  .header-in { height: 62px; gap: 14px; }
  .header-cta { display: none; }
  .nav-burger {
    display: block; margin-left: auto; width: 44px; height: 44px; cursor: pointer;
    position: relative; z-index: 30;
  }
  .nav-burger span, .nav-burger span::before, .nav-burger span::after {
    content: ""; position: absolute; left: 10px; width: 22px; height: 2.5px;
    border-radius: 2px; background: var(--green); transition: all .25s;
  }
  .nav-burger span { top: 20px; }
  .nav-burger span::before { top: -7px; }
  .nav-burger span::after { top: 7px; }
  .nav-toggle:checked ~ .nav-burger span { background: transparent; }
  .nav-toggle:checked ~ .nav-burger span::before { top: 0; transform: rotate(45deg); }
  .nav-toggle:checked ~ .nav-burger span::after { top: 0; transform: rotate(-45deg); }
  .main-nav {
    display: none; position: absolute; top: 62px; left: 0; right: 0;
    background: #fff; flex-direction: column; align-items: stretch;
    border-bottom: 1px solid var(--line); padding: 10px 16px 18px; box-shadow: var(--shadow-h);
  }
  .nav-toggle:checked ~ .main-nav { display: flex; }
  .nav-item > a { padding: 13px 10px; border-bottom: 1px solid var(--green-bg); }
  .submenu { display: block; position: static; box-shadow: none; border: none; padding: 0 0 0 18px; }
  .hero-in { flex-direction: column; padding: 48px 20px; text-align: center; }
  .hero h1 { font-size: 26px; }
  .hero p.sub { font-size: 16px; }
  .hero-acts { justify-content: center; }
  .hero-img { width: 100%; }
  section.sec { padding: 52px 0; }
  .sec-head h2 { font-size: 24px; }
  .cards.c2, .cards.c3, .cards.c4, .steps, .steps-8, .steps-5 { grid-template-columns: 1fr; }
  .stats { grid-template-columns: repeat(2, 1fr); gap: 30px 12px; }
  .stat b { font-size: 32px; }
  .duo { grid-template-columns: 1fr; gap: 28px; }
  .cert-grid { grid-template-columns: repeat(2, 1fr); }
  .cert img { height: 180px; }
  .news-grid { grid-template-columns: 1fr; }
  .rel-grid { grid-template-columns: 1fr; }
  .cat-bar { gap: 8px; margin-bottom: 28px; }
  .cat-bar a { padding: 8px 16px; font-size: 14px; }
  .faq-group h2 { font-size: 19px; }
  .nf-code { font-size: 68px; }
  .search-box { flex-direction: column; }
  .f-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .article { padding: 28px 22px; }
  .article h1 { font-size: 22px; }
  .foot-grid { grid-template-columns: 1fr; gap: 26px; padding: 40px 20px 30px; }
  .foot-links { display: block; margin: 6px 0 0; }
  .tbl { display: block; overflow-x: auto; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; animation: none !important; }
}

/* ---------- 富文本正文（后台编辑器产出） ---------- */
.rich { font-size: 16px; line-height: 1.9; color: var(--ink); }
.rich > *:first-child { margin-top: 0; }
.rich > *:last-child { margin-bottom: 0; }
.rich h2 { font-size: 24px; margin: 32px 0 14px; padding-left: 12px; border-left: 4px solid var(--green); }
.rich h3 { font-size: 19px; margin: 24px 0 12px; color: var(--green); }
.rich h4 { font-size: 17px; margin: 20px 0 10px; }
.rich p { margin: 0 0 14px; }
.rich ul, .rich ol { margin: 0 0 16px; padding-left: 24px; }
.rich li { margin-bottom: 8px; }
.rich a { color: var(--green); text-decoration: underline; }
.rich strong { font-weight: 700; }
.rich img { max-width: 100%; height: auto; border-radius: 10px; margin: 16px 0; display: block; }
.rich blockquote { margin: 18px 0; padding: 14px 18px; background: var(--green-bg); border-left: 4px solid var(--green); color: var(--ink); border-radius: 0 8px 8px 0; }
.rich table { width: 100%; border-collapse: collapse; margin: 18px 0; background: #fff; border-radius: 10px; overflow: hidden; box-shadow: var(--shadow); }
.rich th, .rich td { padding: 12px 16px; border-bottom: 1px solid var(--line); text-align: left; font-size: 15px; }
.rich th { background: var(--green); color: #fff; font-weight: 600; }
.rich tr:last-child td { border-bottom: none; }