/* ============================================================
   voc.ac.cn 挥发性有机物检测中心 全站样式
   配色：深藏青 #0B2240 / 科技蓝 #0066CC / 浅灰白 #F5F7FA
   ============================================================ */
:root {
  --navy: #0b2240;
  --navy-2: #103663;
  --navy-3: #1a4a80;
  --blue: #0066cc;
  --blue-2: #1e88e5;
  --blue-soft: #e8f1fa;
  --bg: #f5f7fa;
  --white: #ffffff;
  --text: #2c3e50;
  --text-2: #606266;
  --text-3: #909399;
  --border: #dfe4ea;
  --border-2: #e8ecf1;
  --accent: #c9a25c;
  --green: #1a9e5c;
  --radius: 6px;
  --container: 1200px;
  --font: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.75;
  color: var(--text);
  background: var(--white);
}
a { color: var(--blue); text-decoration: none; transition: color .2s; }
a:hover { color: var(--navy); }
img, svg { vertical-align: middle; }
ul, ol { list-style-position: inside; }
table { border-collapse: collapse; width: 100%; }

/* ---------- 布局容器 ---------- */
.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 20px; }
main { display: block; }

/* ---------- 顶部机构条 ---------- */
.top-bar { background: var(--navy); color: #c5d5e8; font-size: 13px; }
.top-bar .container { display: flex; justify-content: space-between; align-items: center; min-height: 34px; flex-wrap: wrap; }
.top-bar a { color: #c5d5e8; }
.top-bar a:hover { color: #fff; }
.top-bar .hotline { color: #fff; letter-spacing: .5px; }
.top-bar .hotline strong { color: var(--accent); font-weight: 600; }

/* ---------- 主头部 ---------- */
.site-header { background: var(--white); border-bottom: 1px solid var(--border-2); position: relative; z-index: 900; }
.site-header .container { display: flex; align-items: center; justify-content: space-between; min-height: 78px; gap: 24px; }
.brand { display: flex; align-items: center; gap: 14px; flex-shrink: 0; }
.brand-mark { width: 46px; height: 46px; flex-shrink: 0; border-radius: 8px; }
.brand-text { line-height: 1.25; }
.brand-text .zh { font-size: 22px; font-weight: 700; color: var(--navy); letter-spacing: 1px; }
.brand-text .en { font-size: 11px; color: var(--text-3); letter-spacing: 2.5px; text-transform: uppercase; }

/* ---------- 主导航 ---------- */
.main-nav { display: flex; align-items: stretch; height: 78px; }
.main-nav > li { position: relative; display: flex; }
.main-nav > li > a {
  display: flex; align-items: center; padding: 0 18px; color: var(--navy);
  font-size: 16px; font-weight: 500; border-bottom: 3px solid transparent;
  border-top: 3px solid transparent; transition: all .2s; white-space: nowrap;
}
.main-nav > li > a:hover, .main-nav > li > a.active {
  color: var(--blue); border-bottom-color: var(--blue); background: linear-gradient(180deg, rgba(0,102,204,.04), rgba(0,102,204,.07));
}
.main-nav > li.has-sub > a::after { content: ""; display: inline-block; width: 0; height: 0; margin-left: 7px; border: 4px solid transparent; border-top-color: currentColor; transform: translateY(3px); }
.sub-nav {
  list-style: none;
  position: absolute; top: 78px; left: 50%; transform: translateX(-50%);
  background: var(--white); border: 1px solid var(--border-2); border-top: 3px solid var(--blue);
  box-shadow: 0 14px 32px rgba(11,34,64,.13); min-width: 216px;
  padding: 6px 0; opacity: 0; visibility: hidden; transition: all .22s;
}
.main-nav > li.has-sub:hover .sub-nav { opacity: 1; visibility: visible; }
.sub-nav li a { display: block; padding: 9px 22px; font-size: 14.5px; color: var(--text-2); white-space: nowrap; }
.sub-nav li a:hover { color: var(--blue); background: var(--blue-soft); padding-left: 26px; }

/* 汉堡按钮 */
.menu-toggle { display: none; width: 46px; height: 46px; border: 1px solid var(--border); border-radius: var(--radius); background: var(--white); cursor: pointer; flex-direction: column; align-items: center; justify-content: center; gap: 5px; }
.menu-toggle span { display: block; width: 22px; height: 2px; background: var(--navy); transition: .25s; }
.menu-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-toggle.open span:nth-child(2) { opacity: 0; }
.menu-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- 页面横幅（深藏青纯色 + 金线点缀，去渐变堆叠） ---------- */
.page-banner {
  background: #0b2240; color: #fff; position: relative; overflow: hidden;
}
.page-banner::before {
  content: ""; position: absolute; inset: 0; z-index: 1; opacity: .4;
  background-image: linear-gradient(rgba(120,170,255,.05) 1px, transparent 1px), linear-gradient(90deg, rgba(120,170,255,.05) 1px, transparent 1px);
  background-size: 52px 52px;
}
.page-banner::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 2px; z-index: 3;
  background: linear-gradient(90deg, var(--accent), rgba(201,162,92,0));
}
.page-banner .container { position: relative; z-index: 2; padding: 50px 20px 48px; }
.page-banner h1 { font-size: 32px; font-weight: 700; letter-spacing: .5px; line-height: 1.25; }
.page-banner h1::after { content: ""; display: block; width: 48px; height: 2px; background: var(--accent); margin-top: 16px; }
.page-banner .banner-sub { margin-top: 16px; font-size: 15px; color: #a9c3de; max-width: 760px; line-height: 1.85; }


.page-banner .crumb-nav { margin-top: 18px; font-size: 13px; color: #8fb0d4; }
.page-banner .crumb-nav a { color: #c9dcf0; }
.page-banner .crumb-nav a:hover { color: #fff; }
.page-banner .crumb-nav .sep { margin: 0 8px; opacity: .55; }

/* ---------- 面包屑（内容区） ---------- */
.crumb { background: var(--bg); border-bottom: 1px solid var(--border-2); font-size: 13.5px; color: var(--text-3); }
.crumb .container { display: flex; align-items: center; min-height: 44px; flex-wrap: wrap; gap: 4px; }
.crumb a { color: var(--text-2); }
.crumb a:hover { color: var(--blue); }
.crumb .sep { margin: 0 7px; color: #c0c6cf; }
.crumb .cur { color: var(--navy); font-weight: 500; }

/* ---------- 通用区块 ---------- */
.section { padding: 52px 0; }
.section.alt { background: var(--bg); }
.section-head { display: flex; align-items: baseline; justify-content: space-between; flex-wrap: wrap; gap: 12px; margin-bottom: 26px; }
.section-title { font-size: 25px; font-weight: 700; color: var(--navy); line-height: 1.3; padding-left: 16px; position: relative; }
.section-title::before { content: ""; position: absolute; left: 0; top: 6px; bottom: 6px; width: 3px; background: var(--accent); border-radius: 1px; }
.section-title small { display: block; font-size: 11px; color: var(--accent); font-weight: 600; letter-spacing: 3px; text-transform: uppercase; margin-top: 4px; font-family: Georgia, 'Times New Roman', serif; }
.more-link { font-size: 14px; color: var(--blue); white-space: nowrap; }
.more-link:hover { color: var(--navy); }

/* ---------- 卡片网格 ---------- */
.grid { display: grid; gap: 22px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.card {
  background: var(--white); border: 1px solid var(--border-2); border-radius: var(--radius);
  padding: 26px 24px; transition: box-shadow .22s, border-color .22s, transform .22s;
  display: flex; flex-direction: column;
}
.section.alt .card, .card.lift { box-shadow: 0 1px 3px rgba(11,34,64,.05); }
.card:hover { border-color: rgba(0,102,204,.45); box-shadow: 0 14px 30px rgba(11,34,64,.10); transform: translateY(-3px); }
.card .ico { width: 52px; height: 52px; border-radius: 10px; background: var(--blue-soft); display: flex; align-items: center; justify-content: center; margin-bottom: 16px; flex-shrink: 0; }
.card .ico svg { width: 28px; height: 28px; }
.card h3 { font-size: 18px; color: var(--navy); line-height: 1.45; margin-bottom: 10px; }
.card h3 a { color: inherit; }
.card h3 a:hover { color: var(--blue); }
.card p { font-size: 14.5px; color: var(--text-2); line-height: 1.8; }
.card .tags { margin-top: auto; padding-top: 16px; display: flex; flex-wrap: wrap; gap: 8px; }
.tag { display: inline-block; font-size: 12px; color: var(--blue); background: var(--blue-soft); border: 1px solid rgba(0,102,204,.18); padding: 2px 10px; border-radius: 3px; line-height: 1.7; }

/* ---------- 数据统计条 ---------- */
.stat-band { background: var(--navy); color: #fff; padding: 40px 0; }
.stat-band .grid-4 { gap: 12px; }
.stat-item { text-align: center; padding: 8px 6px; border-left: 1px solid rgba(255,255,255,.14); }
.stat-item:first-child { border-left: 0; }
.stat-item .num { font-size: 34px; font-weight: 700; color: #fff; font-family: Georgia, "Times New Roman", serif; }
.stat-item .num em { font-style: normal; color: var(--accent); font-size: 22px; }
.stat-item .lab { font-size: 13.5px; color: #9db8d6; margin-top: 4px; letter-spacing: 1px; }

/* ---------- 文章列表 ---------- */
.list-plain { background: var(--white); border: 1px solid var(--border-2); border-radius: var(--radius); }
.list-item { display: flex; gap: 18px; padding: 22px 26px; border-bottom: 1px dashed var(--border-2); align-items: flex-start; }
.list-item:last-child { border-bottom: 0; }
.list-item .date-box { flex-shrink: 0; width: 66px; text-align: center; background: var(--bg); border: 1px solid var(--border-2); border-radius: var(--radius); overflow: hidden; }
.list-item .date-box .d { font-size: 24px; font-weight: 700; color: var(--blue); line-height: 1.3; padding-top: 6px; }
.list-item .date-box .m { font-size: 11.5px; color: var(--text-3); background: var(--white); padding: 3px 0; letter-spacing: 1px; }
.list-item .li-body { flex: 1; min-width: 0; }
.list-item h3 { font-size: 17px; line-height: 1.5; margin-bottom: 6px; font-weight: 600; }
.list-item h3 a { color: var(--navy); }
.list-item h3 a:hover { color: var(--blue); }
.list-item p { font-size: 14px; color: var(--text-2); line-height: 1.75; margin-bottom: 8px; }
.list-item .meta { font-size: 12.5px; color: var(--text-3); }
.list-item .meta .dot { margin: 0 9px; }

/* ---------- 正文排版（文章/栏目内容） ---------- */
.page-body { font-size: 16px; }
.page-body h2 {
  font-size: 21px; color: var(--navy); margin: 38px 0 16px; padding: 10px 0 10px 14px;
  border-left: 5px solid var(--blue); background: linear-gradient(90deg, var(--blue-soft), transparent 72%);
  line-height: 1.4; font-weight: 700;
}
.page-body h2:first-child { margin-top: 0; }
.page-body h3 { font-size: 17.5px; color: var(--navy-2); margin: 28px 0 12px; font-weight: 600; }
.page-body h3::before { content: "▍"; color: var(--blue); margin-right: 6px; }
.page-body p { margin: 13px 0; color: var(--text); }
.page-body ul, .page-body ol { margin: 13px 0 13px 4px; padding-left: 6px; }
.page-body li { margin: 7px 0; color: var(--text); padding-left: 4px; list-style: none; position: relative; }
.page-body ul li::before { content: ""; position: absolute; left: -14px; top: 12px; width: 7px; height: 7px; border-radius: 2px; background: var(--blue); }
.page-body ol { counter-reset: olitem; }
.page-body ol li { counter-increment: olitem; padding-left: 6px; }
.page-body ol li::before { content: counter(olitem); position: absolute; left: -18px; top: 4px; width: 20px; height: 20px; background: var(--navy); color: #fff; border-radius: 50%; font-size: 12px; line-height: 20px; text-align: center; }
.page-body blockquote {
  margin: 20px 0; padding: 16px 22px; background: var(--blue-soft);
  border-left: 4px solid var(--blue); border-radius: 0 var(--radius) var(--radius) 0; color: var(--navy-2); font-size: 15px;
}
.page-body blockquote p { margin: 0; }
.data-table { margin: 20px 0; font-size: 14.5px; border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
.data-table th { background: var(--navy); color: #fff; padding: 11px 16px; text-align: left; font-weight: 600; white-space: nowrap; }
.data-table td { padding: 10px 16px; border-top: 1px solid var(--border-2); color: var(--text); }
.data-table tr:nth-child(even) td { background: #fafbfd; }
.data-table tr:hover td { background: var(--blue-soft); }
.data-table td:not(:first-child) { color: var(--text-2); }
.lead { font-size: 16.5px; color: var(--navy-2); background: var(--bg); border: 1px solid var(--border-2); border-left: 4px solid var(--accent); padding: 16px 20px; border-radius: 0 var(--radius) var(--radius) 0; margin: 18px 0; }

/* ---------- 侧栏布局 ---------- */
.layout-2col { display: grid; grid-template-columns: 1fr 320px; gap: 28px; align-items: start; }
.side-box { background: var(--white); border: 1px solid var(--border-2); border-radius: var(--radius); margin-bottom: 22px; overflow: hidden; }
.side-box .side-head { background: var(--navy); color: #fff; font-size: 15.5px; font-weight: 600; padding: 11px 20px; letter-spacing: 1px; }
.side-box .side-head::before { content: "◆"; color: var(--accent); margin-right: 8px; font-size: 12px; }
.side-box ul { padding: 12px 10px; }
.side-box li { list-style: none; }
.side-box li a { display: block; padding: 9px 12px 9px 16px; font-size: 14px; color: var(--text-2); border-bottom: 1px dashed var(--border-2); position: relative; line-height: 1.5; }
.side-box li:last-child a { border-bottom: 0; }
.side-box li a::before { content: "›"; position: absolute; left: 2px; color: var(--blue); font-weight: 700; }
.side-box li a:hover { color: var(--blue); background: var(--blue-soft); }
.side-contact { padding: 18px 20px; font-size: 14px; color: var(--text-2); line-height: 2; }
.side-contact strong { color: var(--navy); }
.side-contact .tel { font-size: 22px; font-weight: 700; color: var(--blue); font-family: Georgia, serif; letter-spacing: 1px; display: block; margin: 4px 0; }

/* ---------- FAQ ---------- */
.faq-item { border: 1px solid var(--border-2); border-radius: var(--radius); margin-bottom: 14px; background: var(--white); overflow: hidden; }
.faq-item .q { padding: 14px 20px 14px 46px; font-weight: 600; color: var(--navy); font-size: 15.5px; position: relative; cursor: default; background: var(--bg); }
.faq-item .q::before { content: "问"; position: absolute; left: 14px; top: 13px; width: 22px; height: 22px; background: var(--blue); color: #fff; border-radius: 4px; font-size: 12.5px; line-height: 22px; text-align: center; }
.faq-item .a { padding: 14px 20px 14px 46px; font-size: 14.5px; color: var(--text-2); position: relative; }
.faq-item .a::before { content: "答"; position: absolute; left: 14px; top: 14px; width: 22px; height: 22px; background: var(--accent); color: #fff; border-radius: 4px; font-size: 12.5px; line-height: 22px; text-align: center; }

/* ---------- 相关推荐 ---------- */
.rel-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.rel-card { border: 1px solid var(--border-2); border-radius: var(--radius); padding: 18px; background: var(--white); transition: all .2s; }
.rel-card:hover { border-color: rgba(0,102,204,.4); box-shadow: 0 10px 22px rgba(11,34,64,.08); }
.rel-card .rc-cat { font-size: 12px; color: var(--blue); background: var(--blue-soft); display: inline-block; padding: 1px 9px; border-radius: 3px; margin-bottom: 10px; }
.rel-card h4 { font-size: 15px; line-height: 1.55; font-weight: 600; }
.rel-card h4 a { color: var(--navy); }
.rel-card h4 a:hover { color: var(--blue); }
.rel-card p { font-size: 13px; color: var(--text-3); margin-top: 8px; line-height: 1.7; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }

/* ---------- 步骤流程 ---------- */
.steps { display: grid; grid-template-columns: repeat(6, 1fr); gap: 14px; counter-reset: stepc; }
.step { background: var(--white); border: 1px solid var(--border-2); border-top: 3px solid var(--navy); border-radius: 0 0 var(--radius) var(--radius); padding: 20px 14px 18px; text-align: center; position: relative; counter-increment: stepc; }
.step::before { content: "0" counter(stepc); display: block; font-size: 26px; font-weight: 700; color: rgba(11,34,64,.08); font-family: Georgia, "Times New Roman", serif; line-height: 1; margin-bottom: 8px; }
.step h4 { font-size: 15.5px; color: var(--navy); margin-bottom: 7px; }
.step p { font-size: 12.5px; color: var(--text-3); line-height: 1.65; }

/* ---------- 资质徽章（极简金线印章，去 AI 卡通感） ---------- */
/* ---------- 资质公信力区（白底金韵 · 与上下区同宽无缝） ---------- */
.badge-section { position: relative; background: linear-gradient(180deg, #eef4fa 0%, #ffffff 45%, #f6f9fc 100%); padding: 70px 0 78px; overflow: hidden; }
.badge-parallax-bg { position: absolute; top: -20%; left: 0; width: 100%; height: 140%; pointer-events: none; background-image: radial-gradient(circle at 25% 35%, rgba(201,162,92,.06) 0%, transparent 45%), radial-gradient(circle at 80% 75%, rgba(0,102,204,.05) 0%, transparent 50%); background-size: 100% 100%, 100% 100%; will-change: transform; z-index: 0; }
.badge-section .container { position: relative; z-index: 2; }
.badge-vault-head { text-align: center; max-width: 760px; margin: 0 auto 34px; }
.vault-badge { display: inline-flex; align-items: center; gap: 8px; font-size: 12px; font-weight: 700; letter-spacing: 3px; color: #a87d35; border: 1px solid rgba(201,162,92,.5); background: rgba(201,162,92,.09); border-radius: 999px; padding: 5px 18px; margin-bottom: 14px; }
.v-glow { width: 7px; height: 7px; border-radius: 50%; background: #c9a25c; box-shadow: 0 0 8px rgba(201,162,92,.55); }
.vault-title { font-size: 25px; font-weight: 700; color: var(--navy); margin-bottom: 10px; letter-spacing: .5px; }
.vault-sub { font-size: 14.5px; color: var(--text-2); line-height: 1.85; }
.badge-band { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.badge { position: relative; overflow: hidden; text-align: left; background: #ffffff; border: 1px solid rgba(11,34,64,.12); border-radius: 8px; padding: 22px 20px; box-shadow: 0 6px 18px rgba(11,34,64,.07); transition: transform .3s cubic-bezier(0.16, 1, 0.3, 1), border-color .3s, box-shadow .3s; }
.badge::before { content: ""; position: absolute; top: 0; left: 0; right: 0; height: 2px; background: linear-gradient(90deg, rgba(201,162,92,.9) 0%, rgba(201,162,92,.15) 100%); z-index: 2; }
.badge:hover { transform: translateY(-4px); border-color: rgba(201,162,92,.5); box-shadow: 0 18px 40px -10px rgba(11,34,64,.18), 0 0 0 1px rgba(201,162,92,.22); }
.badge-shine { position: absolute; top: 0; left: -80%; width: 50%; height: 100%; background: linear-gradient(105deg, transparent, rgba(201,162,92,.07), transparent); transform: skewX(-18deg); transition: left .7s ease; pointer-events: none; }
.badge:hover .badge-shine { left: 130%; }
.badge-seal-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 13px; }
.b-seal-ico { width: 46px; height: 46px; color: #b58632; display: flex; align-items: center; justify-content: center; border: 1px solid rgba(201,162,92,.45); border-radius: 6px; background: rgba(201,162,92,.08); flex-shrink: 0; }
.b-seal-ico svg { width: 28px; height: 28px; stroke-width: 1.5; }
.b-serial { font-size: 11.5px; font-weight: 600; letter-spacing: 1.5px; color: #8fa3c2; text-align: right; }
.b-title { font-size: 16px; font-weight: 700; color: var(--navy); margin-bottom: 4px; }
.b-subtag { font-size: 11.5px; color: #a87d35; margin-bottom: 10px; letter-spacing: .3px; }
.b-text { font-size: 12.5px; color: var(--text-2); line-height: 1.7; margin-bottom: 14px; }
.b-highlight { display: flex; align-items: center; gap: 8px; font-size: 12px; color: #a87d35; border-top: 1px dashed rgba(201,162,92,.35); padding-top: 12px; }
.hl-dot { width: 6px; height: 6px; border-radius: 50%; background: #c9a25c; flex-shrink: 0; }
.badge-proof-strip { margin-top: 30px; display: flex; align-items: center; justify-content: space-between; gap: 18px; border: 1px solid rgba(201,162,92,.42); background: linear-gradient(160deg, rgba(201,162,92,.07) 0%, rgba(201,162,92,.02) 100%); border-radius: 8px; padding: 20px 26px; flex-wrap: wrap; }
.bps-col { display: flex; flex-direction: column; min-width: 150px; }
.bps-num { font-size: 22px; font-weight: 700; color: #a87d35; font-family: Georgia, "Times New Roman", serif; line-height: 1.2; }
.bps-lbl { font-size: 11.5px; color: var(--text-3); margin-top: 3px; }
.bps-action { display: flex; gap: 12px; flex-wrap: wrap; }
.btn-gold-ghost { display: inline-flex; align-items: center; font-size: 13px; font-weight: 600; color: #a87d35; border: 1px solid rgba(201,162,92,.55); border-radius: 4px; padding: 8px 16px; transition: all .2s; background: transparent; }
.btn-gold-ghost:hover { background: rgba(201,162,92,.1); border-color: #a87d35; color: #8a6a2a; }
.btn-gold-solid { display: inline-flex; align-items: center; font-size: 13px; font-weight: 700; color: #061224; background: linear-gradient(135deg, #c9a25c 0%, #a87d35 100%); border: 0; border-radius: 4px; padding: 8px 16px; transition: all .2s; }
.btn-gold-solid:hover { filter: brightness(1.08); transform: translateY(-1px); box-shadow: 0 6px 16px rgba(201,162,92,.35); }

/* ---------- 表单 ---------- */
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 16px; }
.form-item label { display: block; font-size: 14px; color: var(--navy); font-weight: 600; margin-bottom: 7px; }
.form-item label .req { color: #d03050; margin-left: 3px; }
.form-item input, .form-item select, .form-item textarea {
  width: 100%; padding: 11px 14px; border: 1px solid var(--border); border-radius: var(--radius);
  font-size: 15px; font-family: var(--font); color: var(--text); background: var(--white); outline: none; transition: border .2s, box-shadow .2s;
}
.form-item input:focus, .form-item select:focus, .form-item textarea:focus { border-color: var(--blue); box-shadow: 0 0 0 3px rgba(0,102,204,.12); }
.form-item textarea { min-height: 120px; resize: vertical; }
.form-item.full { grid-column: 1 / -1; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  background: var(--blue); color: #fff; border: 1px solid var(--blue);
  padding: 12px 34px; border-radius: var(--radius); font-size: 16px; font-weight: 600;
  cursor: pointer; font-family: var(--font); transition: all .2s; letter-spacing: 2px;
}
.btn:hover { background: var(--navy); border-color: var(--navy); color: #fff; }
.btn.ghost { background: transparent; color: var(--blue); }
.btn.ghost:hover { background: var(--blue-soft); }
.btn.btn-ghost { background: transparent; color: var(--navy); border-color: var(--border-2); }
.btn.btn-ghost:hover { background: var(--bg); border-color: var(--blue); color: var(--blue); }
.btn.big { padding: 14px 44px; font-size: 17px; }

/* ---------- 页脚 ---------- */
.site-footer { background: var(--navy); color: #a8bdd6; }
.site-footer::before { content: ""; display: block; height: 76px; background: linear-gradient(180deg, var(--bg) 0%, #0b2240 100%); }
.footer-top { border-bottom: 1px solid rgba(255,255,255,.1); }
.footer-top .container { display: grid; grid-template-columns: 2.2fr 1fr 1fr 1.4fr; gap: 36px; padding: 46px 20px 40px; }
.footer-col h4 { color: #fff; font-size: 16.5px; font-weight: 600; margin-bottom: 18px; padding-bottom: 12px; position: relative; }
.footer-col h4::after { content: ""; position: absolute; left: 0; bottom: 0; width: 34px; height: 3px; background: var(--blue); border-radius: 2px; }
.footer-col p { font-size: 13.5px; line-height: 2; }
.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 9px; }
.footer-col a { color: #a8bdd6; font-size: 13.5px; }
.footer-col a:hover { color: #fff; padding-left: 4px; }
.footer-col .f-tel { font-size: 21px; color: #fff; font-weight: 700; font-family: Georgia, serif; letter-spacing: 1px; }
.footer-col .f-tel small { font-size: 12.5px; color: #7d99bd; font-family: var(--font); font-weight: 400; display: block; letter-spacing: 0; margin-bottom: 2px; }
.footer-col .f-mail { color: var(--accent); font-size: 14px; }
.footer-brand { display: flex; align-items: center; gap: 12px; margin-bottom: 14px; }
.footer-brand svg, .footer-brand img { width: 40px; height: 40px; border-radius: 9px; box-shadow: 0 0 0 1px rgba(255,255,255,.14); }
.footer-brand .t { color: #fff; font-size: 19px; font-weight: 700; letter-spacing: 1px; }
.footer-brand .t small { display: block; font-size: 10.5px; color: #7d99bd; letter-spacing: 2px; font-weight: 400; }
.authority-links { background: rgba(255,255,255,.045); border-radius: var(--radius); padding: 18px 22px; margin-top: 18px; }
.authority-links .al-t { color: #fff; font-size: 13px; font-weight: 600; margin-bottom: 10px; letter-spacing: 1px; }
.authority-links .al-t::before { content: "◈"; color: var(--accent); margin-right: 7px; }
.authority-links ul { display: flex; flex-wrap: wrap; gap: 8px 10px; }
.authority-links a { display: inline-block; font-size: 12.5px; padding: 3px 12px; border: 1px solid rgba(255,255,255,.18); border-radius: 20px; color: #c3d6ec; }
.authority-links a:hover { border-color: var(--blue-2); color: #fff; background: rgba(30,136,229,.18); padding-left: 12px; }
.footer-bottom { background: #081a33; }
.footer-bottom .container { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 8px; padding: 15px 20px; font-size: 12.5px; color: #6d89ad; }
.footer-bottom a { color: #6d89ad; }
.footer-bottom img.mps-icon { width: 14px; height: 15px; vertical-align: -3px; margin-right: 4px; border-radius: 1px; }
.footer-bottom a:hover { color: #fff; }

/* ---------- 客服悬浮 ---------- */
.float-panel { position: fixed; right: 18px; bottom: 152px; z-index: 950; display: flex; flex-direction: column; gap: 10px; }
.float-btn {
  display: flex; align-items: center; gap: 9px; background: var(--white); border: 1px solid var(--border);
  border-radius: 40px; padding: 9px 16px; font-size: 14px; color: var(--navy); font-weight: 600;
  box-shadow: 0 6px 18px rgba(11,34,64,.14); transition: all .2s;
}
.float-btn:hover { color: var(--blue); border-color: rgba(0,102,204,.4); }
.float-btn .fdot { width: 9px; height: 9px; border-radius: 50%; background: var(--green); position: relative; }
.float-btn .fdot::after { content: ""; position: absolute; inset: -4px; border-radius: 50%; border: 1.5px solid rgba(26,158,92,.5); animation: fpulse 2s infinite; }
@keyframes fpulse { 0% { transform: scale(.6); opacity: 1; } 100% { transform: scale(1.5); opacity: 0; } }
.float-btn.tel { background: var(--blue); color: #fff; border-color: var(--blue); }
.float-btn.tel:hover { background: var(--navy); color: #fff; }
.float-btn.tel svg { width: 17px; height: 17px; }
/* ---------- 易聊在线客服（压制 SDK 默认界面 + 本站视觉自定义） ---------- */
#jesong_panel,#jesong_panel *,
#jesong_chat_min,#jesong_chat_min_horizontal,#jesong_chat_min_vertical,#jesong_chat_min_square,#jesong_chat_min_float,
#jesong_pop_msg,#jesong_pop_msg_bg,#jesong_chat_bubble,
#airBubblesUl,#airBubblesUl *,
#jesong_chat_layout{display:none!important;visibility:hidden!important;opacity:0!important;pointer-events:none!important;width:0!important;height:0!important;overflow:hidden!important}

.vc-chat-fab{position:fixed;right:24px;bottom:24px;z-index:9998;display:flex;padding:0;border:none;background:transparent;cursor:pointer;font-family:var(--font)}
.vc-chat-fab .fab-circle{width:58px;height:58px;border-radius:50%;background:linear-gradient(135deg,#0b2240 0%,#103663 55%,#17497f 100%);color:#fff;display:flex;align-items:center;justify-content:center;box-shadow:0 8px 26px rgba(11,34,64,.4),0 2px 8px rgba(11,34,64,.22),inset 0 1px 0 rgba(255,255,255,.1);position:relative;transition:transform .25s ease,box-shadow .25s ease}
.vc-chat-fab .fab-circle::before{content:"";position:absolute;inset:-3px;border-radius:50%;border:1px solid #c9a25c;opacity:.65}
.vc-chat-fab .fab-circle::after{content:"";position:absolute;top:7px;right:10px;width:7px;height:7px;background:#1a9e5c;border-radius:50%;box-shadow:0 0 10px rgba(26,158,92,.9);animation:chatPulse 2.2s ease-in-out infinite}
@keyframes chatPulse{0%,100%{opacity:.75;transform:scale(1)}50%{opacity:1;transform:scale(1.25)}}
.vc-chat-fab:hover .fab-circle{transform:scale(1.06);box-shadow:0 12px 32px rgba(11,34,64,.5),0 4px 12px rgba(11,34,64,.25)}
.vc-chat-fab .fab-circle svg{width:28px;height:28px;position:relative;z-index:1}
.vc-chat-fab .fab-label{position:absolute;right:70px;top:50%;transform:translateY(-50%) translateX(8px);background:#fff;color:#0b2240;font-size:13px;font-weight:600;letter-spacing:1px;padding:8px 14px;border-radius:4px;box-shadow:0 4px 16px rgba(11,34,64,.18);white-space:nowrap;border:1px solid #dce5f0;opacity:0;pointer-events:none;transition:opacity .2s,transform .2s}
.vc-chat-fab .fab-label::after{content:"";position:absolute;right:-5px;top:50%;transform:translateY(-50%) rotate(45deg);width:10px;height:10px;background:#fff;border-right:1px solid #dce5f0;border-bottom:1px solid #dce5f0}
.vc-chat-fab:hover .fab-label{opacity:1;transform:translateY(-50%) translateX(0)}

.vc-back-top{position:fixed;right:28px;bottom:96px;z-index:9997;width:46px;height:46px;border-radius:50%;background:#fff;border:1px solid #dce5f0;color:#0b2240;display:flex;align-items:center;justify-content:center;cursor:pointer;box-shadow:0 4px 16px rgba(11,34,64,.12);opacity:0;pointer-events:none;transform:translateY(12px);transition:opacity .25s,transform .25s,border-color .25s;padding:0}
.vc-back-top.show{opacity:1;pointer-events:auto;transform:translateY(0)}
.vc-back-top:hover{border-color:#0066cc;color:#0066cc;box-shadow:0 6px 20px rgba(0,102,204,.2)}
.vc-back-top svg{width:20px;height:20px;stroke:currentColor;stroke-width:2.2;fill:none;stroke-linecap:round;stroke-linejoin:round}

.vc-chat-mask{position:fixed;inset:0;background:rgba(6,15,27,.55);backdrop-filter:blur(2px);-webkit-backdrop-filter:blur(2px);z-index:99998;opacity:0;visibility:hidden;transition:opacity .22s ease,visibility .22s;pointer-events:none}
.vc-chat-mask.open{opacity:1;visibility:visible;pointer-events:auto}
.vc-chat-window{position:fixed;right:28px;bottom:96px;width:560px;height:640px;max-width:calc(100vw - 40px);max-height:calc(100vh - 130px);z-index:99999;display:flex;flex-direction:column;background:#fff;border-radius:12px;overflow:hidden;box-shadow:0 16px 52px rgba(11,34,64,.4),0 4px 16px rgba(11,34,64,.2);opacity:0;visibility:hidden;transform:translateY(16px) scale(.97);transform-origin:bottom right;transition:opacity .22s ease,transform .22s ease,visibility .22s;pointer-events:none}
.vc-chat-window.open{opacity:1;visibility:visible;transform:none;pointer-events:auto}
.vc-chat-head{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;background:linear-gradient(135deg,#0b2240 0%,#103663 100%);border-bottom:2px solid #0066cc;flex-shrink:0}
.vc-chat-head-info{display:flex;align-items:baseline;gap:8px}
.vc-chat-dot{width:8px;height:8px;border-radius:50%;background:#1a9e5c;box-shadow:0 0 8px rgba(26,158,92,.9);animation:chatPulse 2.2s ease-in-out infinite;flex-shrink:0;align-self:center}
.vc-chat-title{color:#fff;font-size:15px;font-weight:600;letter-spacing:1px}
.vc-chat-sub{color:rgba(255,255,255,.55);font-size:11px}
.vc-chat-close{width:28px;height:28px;border:none;background:rgba(255,255,255,.08);border-radius:6px;color:#fff;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background .2s;padding:0;flex-shrink:0}
.vc-chat-close:hover{background:rgba(0,102,204,.55)}
.vc-chat-close svg{width:14px;height:14px;stroke:currentColor;stroke-width:2.2;fill:none;stroke-linecap:round}
.vc-chat-frame{flex:1;width:100%;border:none;background:#fff}

/* ---------- 全国实验室网络条带（首页） ---------- */
.lab-band{background:linear-gradient(122deg,#081a33 0%,#0b2240 40%,#103663 100%);padding:56px 0;position:relative;overflow:hidden}
.lab-band::before{content:"";position:absolute;inset:0;opacity:.45;background-image:linear-gradient(rgba(120,170,255,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(120,170,255,.06) 1px,transparent 1px);background-size:44px 44px}
.lab-band .container{position:relative;z-index:2}
.lab-band::after{content:"";position:absolute;top:0;left:0;right:0;height:72px;background:linear-gradient(180deg,var(--bg) 0%,rgba(245,247,250,0) 100%);pointer-events:none;z-index:1}
.lab-head{max-width:720px;margin-bottom:34px}
.lab-kicker{font-size:12.5px;letter-spacing:2.5px;color:#c9a25c;margin-bottom:10px;font-weight:600}
.lab-band h2{font-size:24px;color:#fff;margin-bottom:12px;letter-spacing:.5px}
.lab-band h2::after{content:"";display:block;width:44px;height:3px;background:#0066cc;margin-top:14px}
.lab-head p{font-size:14.5px;color:#a9c3de;line-height:1.95}
.lab-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.lab-node{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:var(--radius);padding:20px 22px;transition:all .25s}
.lab-node:hover{background:rgba(0,102,204,.16);border-color:rgba(0,102,204,.5);transform:translateY(-3px)}
.ln-region{font-size:16px;font-weight:700;color:#fff;letter-spacing:1px}
.ln-city{font-size:12.5px;color:#c9a25c;letter-spacing:1.5px;margin:6px 0 10px;font-weight:600}
.lab-node p{font-size:13px;color:#a9c3de;line-height:1.8;margin:0}

/* ---------- 首页 Hero（纯 CSS 抽象实验室光感背景，去 AI 摄影感与外链风险） ---------- */
.hero { position: relative; color: #fff; overflow: hidden; background: #060f1b; }
.hero::before {
  content: ""; position: absolute; inset: 0; z-index: 0; opacity: .45;
  background-image:
    linear-gradient(rgba(120,170,255,.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(120,170,255,.06) 1px, transparent 1px);
  background-size: 60px 60px;
}
.hero::after {
  content: ""; position: absolute; inset: 0; z-index: 1; pointer-events: none;
  background:
    linear-gradient(180deg, rgba(255,255,255,.36) 0%, rgba(255,255,255,0) 7%),
    radial-gradient(circle at 78% 35%, rgba(0,102,204,.18), transparent 45%),
    radial-gradient(circle at 22% 80%, rgba(201,162,92,.10), transparent 38%),
    linear-gradient(110deg, rgba(6,15,27,.95) 0%, rgba(10,28,52,.88) 48%, rgba(11,34,64,.70) 100%);
}
.hero .container { position: relative; z-index: 2; display: grid; grid-template-columns: 1.25fr .9fr; gap: 44px; align-items: center; padding: 84px 20px; }
.hero-badge { display: inline-flex; align-items: center; gap: 10px; font-size: 12px; letter-spacing: 2px; color: #c9a25c; border: 1px solid rgba(201,162,92,.4); padding: 7px 18px; border-radius: 2px; margin-bottom: 26px; background: rgba(201,162,92,.06); text-transform: uppercase; }
.hero-badge .hb-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--accent); }
.hero h1 { font-size: 46px; line-height: 1.2; font-weight: 700; letter-spacing: .5px; margin-bottom: 22px; }
.hero h1 .hl { color: #c9a25c; font-weight: 700; }
.hero .sub { font-size: 16px; color: #a9c3de; line-height: 1.95; max-width: 620px; }
.hero .cta-row { display: flex; gap: 16px; margin-top: 34px; flex-wrap: wrap; }
.btn.hero-btn { background: var(--blue); border-color: var(--blue); }
.btn.hero-btn:hover { background: #0057b3; }
.btn.hero-ghost { background: transparent; border: 1px solid rgba(201,162,92,.55); color: #f0e6d2; }
.btn.hero-ghost:hover { background: rgba(201,162,92,.14); border-color: var(--accent); color: #fff; }
.hero-visual { position: relative; }
.hero-panel { background: rgba(8,22,46,.55); border: 1px solid rgba(201,162,92,.22); border-radius: 4px; padding: 28px 30px; backdrop-filter: blur(6px); box-shadow: 0 20px 48px rgba(0,0,0,.35); }
.hero-panel .hp-row { display: flex; justify-content: space-between; align-items: center; padding: 12px 0; border-bottom: 1px solid rgba(255,255,255,.1); font-size: 14px; }
.hero-panel .hp-row:last-child { border-bottom: 0; }
.hero-panel .hp-row .k { color: #8aa3c4; }
.hero-panel .hp-row .v { color: #fff; font-weight: 600; font-family: Georgia, 'Times New Roman', serif; font-size: 15.5px; }
.hero-panel .hp-row .v em { font-style: normal; color: #c9a25c; }

/* ---------- 检测服务深度重构（专业冲击力 + 视差微动效 + 强咨询转化） ---------- */
.svc-section {
  position: relative;
  background: linear-gradient(180deg, #ffffff 0%, #f6f9fc 62%, #eef4fa 100%);
  padding: 75px 0 85px;
  overflow: hidden;
  border-bottom: 1px solid rgba(11,34,64,.08);
}
.svc-section::after { content: ""; position: absolute; top: 0; left: 0; right: 0; height: 72px; background: linear-gradient(180deg, #081a33 0%, rgba(8,26,51,0) 100%); pointer-events: none; z-index: 1; }
/* 白底质感：极淡光晕呼吸层（替代原方格网格） */
.svc-section::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background:
    radial-gradient(ellipse 620px 320px at 12% 8%, rgba(0,102,204,.05), transparent 70%),
    radial-gradient(ellipse 520px 300px at 88% 92%, rgba(201,162,92,.05), transparent 70%);
}
.svc-parallax-bg {
  position: absolute;
  top: -20%;
  left: 0;
  width: 100%;
  height: 140%;
  pointer-events: none;
  background-image: 
    radial-gradient(circle at 15% 30%, rgba(0,102,204,.06) 0%, transparent 45%),
    radial-gradient(circle at 85% 70%, rgba(201,162,92,.05) 0%, transparent 50%);
  background-size: 100% 100%, 100% 100%;
  will-change: transform;
  z-index: 0;
}
.svc-section .container { position: relative; z-index: 2; }

/* 头部引导与强行动栏 */
.sec-kicker {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1.5px;
  color: var(--blue);
  background: rgba(0,102,204,.08);
  border: 1px solid rgba(0,102,204,.16);
  border-radius: 999px;
  padding: 4px 12px;
  margin-bottom: 8px;
  text-transform: uppercase;
}
.sec-kicker .kicker-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
}
.sec-intro {
  font-size: 14.5px;
  color: var(--text-2);
  margin-top: 6px;
  max-width: 680px;
  line-height: 1.7;
}
.svc-head-action {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}
.btn-quick-inquiry {
  display: inline-flex;
  align-items: center;
  background: linear-gradient(135deg, #103663 0%, #0b2240 100%);
  color: #fff !important;
  font-size: 13.5px;
  font-weight: 600;
  padding: 8px 18px;
  border-radius: 4px;
  border: 1px solid rgba(201,162,92,.4);
  box-shadow: 0 4px 14px rgba(11,34,64,.15);
  transition: all .22s;
}
.btn-quick-inquiry:hover {
  transform: translateY(-2px);
  border-color: var(--accent);
  box-shadow: 0 8px 20px rgba(11,34,64,.25);
  background: linear-gradient(135deg, #0066cc 0%, #103663 100%);
}

/* 8 大服务网格与全新高冲击力卡片 */
.svc-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.svc-card {
  --mouse-x: 50%;
  --mouse-y: 50%;
  background: #ffffff;
  border: 1px solid rgba(11,34,64,.13);
  border-radius: 8px;
  padding: 0;
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
  box-shadow: 0 6px 18px rgba(11,34,64,.07);
  transition: transform .3s cubic-bezier(0.16, 1, 0.3, 1), box-shadow .3s, border-color .3s;
}
.svc-card:hover {
  transform: translateY(-6px);
  border-color: rgba(201,162,92,.55);
  box-shadow: 0 18px 40px -10px rgba(11,34,64,.18), 0 0 0 1px rgba(201,162,92,.25);
}

/* 卡片顶部图片区：领域实景图 + 深蓝渐变压底 + 编号水印与徽标悬浮 */
.svc-card-media { position: relative; aspect-ratio: 16 / 9.6; overflow: hidden; background: #0b2240; flex-shrink: 0; }
.svc-card-media img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .55s cubic-bezier(0.16, 1, 0.3, 1), filter .55s; filter: saturate(.95); }
.svc-card:hover .svc-card-media img { transform: scale(1.07); filter: saturate(1.08); }
.svc-card-media::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(11,34,64,.18) 0%, rgba(11,34,64,.55) 100%); pointer-events: none; }
.svc-card-media .sm-num {
  position: absolute; left: 14px; bottom: 10px; z-index: 2;
  font-size: 30px; font-weight: 700; font-family: Georgia, "Times New Roman", serif;
  color: rgba(255,255,255,.9); line-height: 1; letter-spacing: -1px;
  text-shadow: 0 2px 12px rgba(0,0,0,.45);
}
.svc-card-media .sm-std {
  position: absolute; right: 12px; top: 12px; z-index: 2;
  font-size: 10px; font-weight: 700; letter-spacing: .8px; color: #0b2240;
  background: linear-gradient(135deg, #c9a25c 0%, #a87d35 100%);
  border-radius: 2px; padding: 3px 9px;
  max-width: 60%; text-align: center;
}
/* 图片下方金色过渡线 */
.svc-card-media::before { content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 3px; background: linear-gradient(90deg, #0066cc 0%, #c9a25c 100%); z-index: 3; }

/* 卡片正文区（亮面板，高对比深字） */
.svc-card-body { padding: 18px 20px 20px; display: flex; flex-direction: column; flex: 1; position: relative; }

/* 鼠标聚光灯高光微动效（纯 CSS 变量驱动，高性能） */
.svc-card-spotlight {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(320px circle at var(--mouse-x) var(--mouse-y), rgba(0,102,204,.08), transparent 70%);
  pointer-events: none;
  opacity: 0;
  transition: opacity .35s;
}
.svc-card:hover .svc-card-spotlight { opacity: 1; }

/* 徽标：亮面板金色描边 */
.svc-badge {
  font-size: 11px;
  font-weight: 600;
  color: #b58632;
  background: rgba(201,162,92,.14);
  border: 1px solid rgba(201,162,92,.4);
  padding: 2px 8px;
  border-radius: 3px;
  letter-spacing: .3px;
}
.svc-title {
  font-size: 16.5px;
  font-weight: 700;
  color: #0b2240;
  margin-bottom: 8px;
  line-height: 1.4;
}
.svc-std-tag {
  font-size: 11px;
  color: #33507a;
  background: #e8f0fa;
  border-radius: 3px;
  padding: 4px 8px;
  margin-bottom: 11px;
  font-family: Menlo, Monaco, Consolas, monospace;
  letter-spacing: -.2px;
  border-left: 2px solid #0066cc;
}
.svc-desc {
  font-size: 13px;
  color: #4a5f7c;
  line-height: 1.75;
  margin-bottom: 14px;
  flex: 1;
}

/* 硬核指标参数展示 */
.svc-metrics {
  background: #eef3fa;
  border: 1px dashed rgba(11,34,64,.18);
  border-radius: 4px;
  padding: 8px 10px;
  margin-bottom: 16px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
}
.svc-metrics .m-item { display: flex; flex-direction: column; }
.svc-metrics .lbl { font-size: 10.5px; color: #64789a; }
.svc-metrics .val { font-size: 12px; font-weight: 600; color: #0b2240; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; }

/* 底部双行动促转化栏 */
.svc-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding-top: 12px;
  border-top: 1px solid rgba(11,34,64,.1);
}
.svc-cta-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 12.5px;
  font-weight: 600;
  color: #fff !important;
  background: linear-gradient(135deg, #0066cc 0%, #103663 100%);
  padding: 6px 12px;
  border-radius: 3px;
  box-shadow: 0 2px 8px rgba(0,102,204,.25);
  transition: all .2s;
}
.svc-cta-btn:hover {
  background: linear-gradient(135deg, #c9a25c 0%, #a87d35 100%);
  color: #081a33 !important;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(201,162,92,.4);
}
.svc-card .s-link {
  font-size: 12.5px;
  color: #4a5f7c;
  font-weight: 600;
  transition: color .2s;
}
.svc-card .s-link:hover { color: #0066cc; }

/* 服务区底部非标样品定制条 */
.svc-bottom-banner {
  margin-top: 36px;
  background: linear-gradient(125deg, #0b2240 0%, #103663 60%, #174c8a 100%);
  border-radius: 6px;
  padding: 24px 32px;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 20px;
  border: 1px solid rgba(201,162,92,.3);
  box-shadow: 0 16px 36px rgba(11,34,64,.12);
}
.sb-left { display: flex; align-items: center; gap: 18px; max-width: 720px; }
.sb-icon {
  font-size: 28px;
  color: #c9a25c;
  line-height: 1;
}
.sb-left h4 { font-size: 17.5px; color: #fff; margin-bottom: 4px; }
.sb-left p { font-size: 13.5px; color: #b7cee8; margin: 0; line-height: 1.6; }

/* ---------- 视差与错落渐显动画关键帧与类 ---------- */
.js .reveal-on-scroll {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .65s cubic-bezier(0.16, 1, 0.3, 1), transform .65s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}
.reveal-on-scroll.is-revealed {
  opacity: 1;
  transform: translateY(0);
}

.js .reveal-card {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity .7s cubic-bezier(0.16, 1, 0.3, 1), transform .7s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}
.reveal-card.is-revealed {
  opacity: 1;
  transform: translateY(0);
}

.js .reveal-badge {
  opacity: 0;
  transform: translateY(34px) scale(.98);
  transition: opacity .75s cubic-bezier(0.16, 1, 0.3, 1), transform .75s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}
.reveal-badge.is-revealed {
  opacity: 1;
  transform: translateY(0) scale(1);
}

/* 阶梯延迟 */
.reveal-card[data-card-idx="1"] { transition-delay: .05s; }
.reveal-card[data-card-idx="2"] { transition-delay: .10s; }
.reveal-card[data-card-idx="3"] { transition-delay: .15s; }
.reveal-card[data-card-idx="4"] { transition-delay: .20s; }
.reveal-card[data-card-idx="5"] { transition-delay: .10s; }
.reveal-card[data-card-idx="6"] { transition-delay: .15s; }
.reveal-card[data-card-idx="7"] { transition-delay: .20s; }
.reveal-card[data-card-idx="8"] { transition-delay: .25s; }

.reveal-badge[data-badge-idx="1"] { transition-delay: .06s; }
.reveal-badge[data-badge-idx="2"] { transition-delay: .14s; }
.reveal-badge[data-badge-idx="3"] { transition-delay: .22s; }
.reveal-badge[data-badge-idx="4"] { transition-delay: .30s; }


/* 方法条带（深色玻璃卡 + 编号节点） */
.methods-section { background: linear-gradient(180deg, #0b2240 0%, #061224 100%); position: relative; overflow: hidden; }
.methods-section::before { content: ""; position: absolute; inset: 0; opacity: .5; background-image: linear-gradient(rgba(120,170,255,.045) 1px, transparent 1px), linear-gradient(90deg, rgba(120,170,255,.045) 1px, transparent 1px); background-size: 40px 40px; pointer-events: none; }
.methods-section .container { position: relative; z-index: 2; }
.methods-section::after { content: ""; position: absolute; top: 0; left: 0; right: 0; height: 72px; background: linear-gradient(180deg, #f6f9fc 0%, rgba(246,249,252,0) 100%); pointer-events: none; z-index: 1; }
.methods-section .more-link { color: #7fb4ee; }
.methods-section .more-link:hover { color: #c9a25c; }
.method-band { background: linear-gradient(160deg, rgba(255,255,255,.05) 0%, rgba(255,255,255,.015) 100%); border: 1px solid rgba(120,170,255,.16); border-radius: var(--radius); padding: 34px 36px; backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px); box-shadow: 0 10px 30px rgba(2,8,20,.3), inset 0 1px 0 rgba(255,255,255,.05); }
.method-flow { display: grid; grid-template-columns: repeat(5, 1fr); gap: 0; }
.mf-item { text-align: center; padding: 8px 14px; position: relative; }
.mf-item:not(:last-child)::after { content: ""; position: absolute; right: -7px; top: 50%; transform: translateY(-50%); width: 14px; height: 14px; border-top: 2px solid rgba(120,170,255,.45); border-right: 2px solid rgba(120,170,255,.45); rotate: 45deg; }
.mf-item .mf-ico { width: 52px; height: 52px; margin: 0 auto 12px; color: #d8e6f6; display: flex; align-items: center; justify-content: center; border: 1px solid rgba(120,170,255,.3); border-radius: 50%; background: rgba(0,102,204,.12); transition: all .25s; }
.mf-item:hover .mf-ico { border-color: var(--accent); color: #c9a25c; background: rgba(201,162,92,.1); box-shadow: 0 0 18px rgba(201,162,92,.25); }
.mf-item .mf-ico .mf-num { font-size: 15px; font-weight: 600; font-family: Georgia, "Times New Roman", serif; }
.mf-item h4 { font-size: 15px; color: #fff; margin-bottom: 5px; }
.mf-item p { font-size: 12px; color: #9db8d8; line-height: 1.6; }


/* ---------- 全宽实验室实景图片带（深→浅过渡视觉锚点） ---------- */
.facility-band { position: relative; background: #061224; padding: 0 0 64px; overflow: hidden; }
.facility-band .container { position: relative; z-index: 2; }
.facility-head { text-align: center; max-width: 720px; margin: 0 auto 34px; }
.facility-kicker { display: inline-flex; align-items: center; gap: 8px; font-size: 11px; font-weight: 700; letter-spacing: 2px; color: #7fb4ee; border: 1px solid rgba(0,102,204,.35); background: rgba(0,102,204,.14); border-radius: 999px; padding: 5px 14px; margin-bottom: 14px; text-transform: uppercase; }
.facility-kicker::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: #c9a25c; }
.facility-head h2 { font-size: 25px; font-weight: 700; color: #fff; margin-bottom: 10px; letter-spacing: .5px; }
.facility-head h2 em { font-style: normal; color: #c9a25c; font-family: Georgia, "Times New Roman", serif; }
.facility-head p { font-size: 14.5px; color: #a9c3de; line-height: 1.85; }
.facility-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.facility-shot { position: relative; border-radius: 8px; overflow: hidden; border: 1px solid rgba(120,170,255,.18); box-shadow: 0 14px 34px rgba(2,8,20,.45); background: #0b2240; aspect-ratio: 4 / 3; }
.facility-shot img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .6s cubic-bezier(0.16, 1, 0.3, 1), filter .6s; filter: saturate(.92) contrast(1.04); }
.facility-shot::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(6,18,36,.05) 0%, rgba(6,18,36,.72) 100%); pointer-events: none; transition: background .4s; }
.facility-shot:hover img { transform: scale(1.06); filter: saturate(1.05) contrast(1.06); }
.facility-shot:hover { border-color: rgba(201,162,92,.45); box-shadow: 0 20px 44px rgba(2,8,20,.6), 0 0 0 1px rgba(201,162,92,.25); }
.facility-caption { position: absolute; left: 0; right: 0; bottom: 0; z-index: 2; padding: 14px 16px 14px; }
.facility-caption .fc-tag { display: inline-block; font-size: 10px; font-weight: 700; letter-spacing: 1.2px; color: #061224; background: linear-gradient(135deg, #c9a25c 0%, #a87d35 100%); border-radius: 2px; padding: 2px 8px; margin-bottom: 6px; text-transform: uppercase; }
.facility-caption h4 { font-size: 15px; font-weight: 700; color: #fff; margin-bottom: 3px; }
.facility-caption p { font-size: 11.5px; color: #b7cee8; line-height: 1.55; margin: 0; }
.facility-stats { margin-top: 26px; display: grid; grid-template-columns: repeat(4, 1fr); border: 1px solid rgba(120,170,255,.16); border-radius: 8px; background: linear-gradient(160deg, rgba(255,255,255,.045) 0%, rgba(255,255,255,.012) 100%); backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px); overflow: hidden; }
.facility-stats .fs-cell { padding: 18px 22px; border-left: 1px solid rgba(120,170,255,.14); }
.facility-stats .fs-cell:first-child { border-left: 0; }
.facility-stats .fs-num { font-size: 24px; font-weight: 700; color: #c9a25c; font-family: Georgia, "Times New Roman", serif; line-height: 1.1; }
.facility-stats .fs-num small { font-size: 13px; font-weight: 600; margin-left: 2px; }
.facility-stats .fs-lbl { font-size: 12px; color: #9db8d8; margin-top: 5px; letter-spacing: .3px; }
/* 深色带到浅色正文的柔和过渡 */
.band-to-light { height: 90px; background: linear-gradient(180deg, #061224 0%, var(--bg) 100%); }

/* ---------- 页面补充组件 ---------- */
.note { background: var(--blue-soft); border-left: 4px solid var(--blue); border-radius: 0 var(--radius) var(--radius) 0; padding: 14px 18px; font-size: 14px; color: var(--text-2); line-height: 1.85; margin: 16px 0; }
.cta-band { display: flex; align-items: center; justify-content: space-between; gap: 28px; background: linear-gradient(122deg, #081a33 0%, #0b2240 45%, #103663 100%); border-radius: var(--radius); padding: 34px 38px; color: #fff; flex-wrap: wrap; }
.cta-band h2 { font-size: 22px; color: #fff; margin-bottom: 10px; }
.cta-band p { font-size: 14.5px; color: #a9c3de; line-height: 1.85; max-width: 640px; }
.cta-act { display: flex; gap: 14px; flex-wrap: wrap; }
.art-list { list-style: none; padding: 0; margin: 0; }
.art-list li { border-bottom: 1px dashed var(--border-2); }
.art-list li:last-child { border-bottom: 0; }
.art-list a { display: flex; justify-content: space-between; align-items: baseline; gap: 18px; padding: 13px 8px 13px 16px; font-size: 15.5px; color: var(--text-1); position: relative; line-height: 1.6; }
.art-list a::before { content: "›"; position: absolute; left: 2px; color: var(--blue); font-weight: 700; }
.art-list a:hover { color: var(--blue); background: var(--blue-soft); }
.art-list .meta { flex-shrink: 0; font-size: 12.5px; color: var(--text-3); font-family: Georgia, serif; }
.art-meta { font-size: 13px; color: var(--text-3); border-bottom: 1px solid var(--border-2); padding-bottom: 14px; margin-bottom: 20px; letter-spacing: .5px; }
.art-cta { margin-top: 38px; background: var(--blue-soft); border: 1px dashed rgba(0,102,204,.45); border-radius: var(--radius); padding: 20px 24px; font-size: 15px; color: var(--text-2); line-height: 2; }
.art-cta a { color: var(--blue); font-weight: 600; }

/* ---------- 响应式 ---------- */
@media (max-width: 1080px) {
  .main-nav > li > a { padding: 0 12px; font-size: 15px; }
  .brand-text .zh { font-size: 19px; }
}
@media (max-width: 1024px) {
  .menu-toggle { display: flex; }
  .main-nav {
    display: none; position: absolute; top: 78px; left: 0; right: 0; background: var(--white);
    border-bottom: 1px solid var(--border); box-shadow: 0 18px 30px rgba(11,34,64,.12);
    flex-direction: column; height: auto; max-height: 78vh; overflow-y: auto;
  }
  .main-nav.open { display: flex; }
  .main-nav > li { flex-direction: column; }
  .main-nav > li > a { border: 0; padding: 14px 24px; border-bottom: 1px solid var(--border-2); }
  .sub-nav { position: static; transform: none; opacity: 1; visibility: visible; box-shadow: none; border: 0; border-top: 2px solid var(--blue-soft); background: var(--bg); display: none; min-width: 0; padding: 2px 0; }
  .main-nav > li.has-sub.open .sub-nav { display: block; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .svc-grid { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(3, 1fr); }
  .method-flow { grid-template-columns: repeat(3, 1fr); gap: 18px 0; }
  .facility-grid { grid-template-columns: repeat(2, 1fr); }
  .facility-stats { grid-template-columns: repeat(2, 1fr); }
  .facility-stats .fs-cell:nth-child(3) { border-left: 0; }
  .facility-stats .fs-cell:nth-child(n+3) { border-top: 1px solid rgba(120,170,255,.14); }
  .mf-item:not(:last-child)::after { display: none; }
  .layout-2col { grid-template-columns: 1fr; }
  .footer-top .container { grid-template-columns: 1fr 1fr; }
  .hero .container { grid-template-columns: 1fr; padding: 52px 20px; }
  .hero h1 { font-size: 30px; }
  .badge-band { grid-template-columns: repeat(2, 1fr); }
  .lab-grid { grid-template-columns: repeat(2, 1fr); }
  .site-header .container { min-height: 66px; }
  .sub-nav { top: 66px; }
  .main-nav { top: 66px; }
}
@media (max-width: 720px) {
  .vault-title { font-size: 22px; }
  .badge-proof-strip { padding: 18px 20px; flex-direction: column; align-items: flex-start; }
  .bps-action { width: 100%; flex-direction: column; }
  .btn-gold-solid, .btn-gold-ghost { width: 100%; text-align: center; }
  .svc-bottom-banner { flex-direction: column; align-items: flex-start; padding: 20px; }
  .svc-head-action { width: 100%; justify-content: space-between; }

  body { font-size: 15px; }
  .grid-3, .grid-2 { grid-template-columns: 1fr; }
  .rel-grid { grid-template-columns: 1fr; }
  .svc-grid { grid-template-columns: 1fr; }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .form-row { grid-template-columns: 1fr; }
  .stat-band .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .stat-item:nth-child(3) { border-left: 0; }
  .page-banner h1 { font-size: 23px; }
  .section { padding: 36px 0; }
  .section-title { font-size: 20px; }
  .footer-top .container { grid-template-columns: 1fr; gap: 26px; }
  .list-item { flex-direction: column; gap: 10px; padding: 18px; }
  .list-item .date-box { display: none; }
  .page-body h2 { font-size: 18.5px; }
  .data-table { display: block; overflow-x: auto; white-space: nowrap; -webkit-overflow-scrolling: touch; }
  .method-flow { grid-template-columns: repeat(2, 1fr); }
  .facility-grid { grid-template-columns: 1fr; }
  .facility-stats { grid-template-columns: repeat(2, 1fr); }
  .facility-head h2 { font-size: 20px; }
  .facility-band { padding-bottom: 44px; }
  .float-panel { right: 10px; bottom: 70px; }
  .chat-dock { right: 10px; bottom: 12px; padding: 10px 14px; font-size: 13px; }
  .hero .container { padding: 40px 20px; }
  .hero h1 { font-size: 25px; }
  .hero .sub { font-size: 14.5px; }
  .art-list a { flex-direction: column; gap: 2px; }
  .cta-band { flex-direction: column; align-items: flex-start; padding: 26px 22px; }
  .lab-grid { grid-template-columns: 1fr; }
  .lab-band { padding: 40px 0; }
  .lab-band h2 { font-size: 20px; }
  .float-panel { bottom: 136px; right: 12px; }
  .float-btn { padding: 8px 13px; font-size: 13px; }
  .vc-chat-fab { right: 20px; bottom: 20px; }
  .vc-chat-fab .fab-circle { width: 52px; height: 52px; }
  .vc-chat-fab .fab-circle svg { width: 24px; height: 24px; }
  .vc-chat-fab .fab-label { display: none; }
  .vc-back-top { right: 20px; bottom: 82px; width: 42px; height: 42px; }
  .vc-chat-window { right: 12px; left: 12px; bottom: 84px; width: auto; height: 70vh; max-height: none; }
}
@media (max-width: 480px) {
  .steps { grid-template-columns: 1fr; }
  .facility-stats { grid-template-columns: 1fr; }
  .facility-stats .fs-cell { border-left: 0; border-top: 1px solid rgba(120,170,255,.14); }
  .facility-stats .fs-cell:first-child { border-top: 0; }
  .badge-band { grid-template-columns: 1fr; }
  .top-bar .container { justify-content: center; text-align: center; }
  .brand-text .zh { font-size: 17px; }
  .brand-mark { width: 38px; height: 38px; }
}

/* ---------- 深色科技带内头部文字适配 ---------- */
.methods-section .section-title { color: #fff; }
.svc-section .section-title::before { background: var(--accent); }