/* =========================================================
   安然冷库 · 官网 PC 站样式（方案C 深海蓝×橙）
   ========================================================= */
:root {
  --navy: #0B2545;
  --navy-2: #122F55;
  --steel: #1E3A56;
  --orange: #F26A1B;
  --orange-d: #E85F12;
  --orange-l: #F58534;
  --bg: #F4F6F9;
  --border: #DCE3EA;
  --text: #33485E;
  --muted: #64798C;
  --muted-2: #8FA3B5;
  --line: #E4EDF5;
  --on-dark: #9FB5C9;
  --on-dark-2: #B9CBDB;
  --card-r: 14px;
  --container: 1200px;
  --font: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", sans-serif;
  --font-num: "Inter", "Helvetica Neue", Arial, sans-serif;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font);
  color: var(--text);
  background: #fff;
  font-size: 15px;
  line-height: 1.7;
  min-width: 1240px;
}
a { text-decoration: none; color: inherit; transition: color .2s; }
img { display: block; max-width: 100%; }
ul, ol { list-style: none; }
button, input, textarea { font-family: inherit; font-size: inherit; outline: none; }
.num { font-family: var(--font-num); }

.container { width: var(--container); margin: 0 auto; }

/* ===================== 顶部信息条 ===================== */
.topbar { background: var(--navy); height: 44px; font-size: 13px; color: var(--on-dark); }
.topbar .container { height: 44px; display: flex; align-items: center; justify-content: space-between; }
.topbar-left { display: flex; align-items: center; gap: 8px; color: #DBE7F1; }
.topbar-left svg { width: 15px; height: 15px; }
.topbar-right { display: flex; align-items: center; gap: 24px; }
.topbar-right a:hover { color: #fff; }

/* ===================== 主导航 ===================== */
.site-header { background: #fff; border-bottom: 1px solid #DEE8F2; height: 92px; position: sticky; top: 0; z-index: 100; }
.site-header .container { height: 92px; display: flex; align-items: center; justify-content: space-between; }
.brand { display: flex; align-items: center; }
.brand-mark { width: 46px; height: 46px; flex: none; }
.brand-text .zh { font-size: 25px; font-weight: 700; color: var(--navy); line-height: 1.15; letter-spacing: 1px; }
.brand-text .en { font-size: 10.5px; font-family: var(--font-num); color: #849DB2; letter-spacing: 2.5px; }
.main-nav { display: flex; align-items: center; gap: 34px; }
.main-nav > a { font-size: 16px; color: #33495E; padding: 34px 0 30px; position: relative; }
.main-nav > a:hover { color: var(--orange); }
.main-nav > a.active { color: var(--orange); font-weight: 600; }
.main-nav > a.active::after { content: ""; position: absolute; left: 50%; transform: translateX(-50%); bottom: 22px; width: 20px; height: 3px; border-radius: 2px; background: var(--orange); }
.nav-right { display: flex; align-items: center; gap: 14px; }
.search-btn { width: 42px; height: 42px; border-radius: 8px; background: #F0F3F7; border: 1px solid #DEE8F2; display: flex; align-items: center; justify-content: center; cursor: pointer; }
.search-btn svg { width: 18px; height: 18px; }
.btn-cta { display: inline-block; background: var(--orange); color: #fff; font-size: 15px; font-weight: 600; padding: 12px 22px; border-radius: 4px; box-shadow: 0 6px 16px -4px rgba(242,106,27,.32); transition: background .2s; }
.btn-cta:hover { background: var(--orange-d); color: #fff; }

/* ===================== 内页 Banner ===================== */
.page-banner { background: var(--navy); color: #fff; padding: 56px 0 60px; }
.page-banner .crumbs { font-size: 13px; color: #8FA3B5; margin-bottom: 26px; }
.page-banner .crumbs a { color: #8FA3B5; }
.page-banner .crumbs a:hover { color: var(--orange); }
.page-banner .title-row { display: flex; align-items: center; gap: 16px; margin-bottom: 16px; }
.page-banner .title-bar { width: 5px; height: 38px; background: var(--orange); border-radius: 3px; flex: none; }
.page-banner h1 { font-size: 44px; font-weight: 700; line-height: 1.2; }
.page-banner .sub { font-size: 16px; color: #A8BBCC; max-width: 900px; }

/* ===================== 筛选标签条 ===================== */
.filter-bar { background: #fff; border-bottom: 1px solid var(--line); }
.filter-bar .container { display: flex; gap: 14px; padding: 22px 0; flex-wrap: wrap; }
.tag { display: inline-block; padding: 9px 22px; border: 1px solid var(--border); border-radius: 999px; font-size: 14px; color: var(--text); background: #fff; cursor: pointer; }
.tag:hover { border-color: var(--orange); color: var(--orange); }
.tag.active { background: var(--orange); border-color: var(--orange); color: #fff; font-weight: 600; }
/* 分类页里选中的标签自动滚到可见位置（标签较多时会折行/滚动） */
.filter-bar .tag.active { scroll-margin: 120px; }

/* ===================== 产品卡 ===================== */
.section { padding: 72px 0; }
.section.gray { background: var(--bg); }
.product-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.product-card { background: #fff; border: 1px solid var(--line); overflow: hidden; transition: box-shadow .25s, transform .25s; display: flex; flex-direction: column; }
.product-card:hover { box-shadow: 0 14px 34px rgba(11,37,69,.12); transform: translateY(-4px); }
.product-card .pic { height: 240px; background: #EDF1F5; overflow: hidden; }
.product-card .pic img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s; }
.product-card:hover .pic img { transform: scale(1.05); }
.product-card .body { padding: 22px 24px 24px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.product-card h3 { font-size: 20px; color: var(--navy); font-weight: 700; }
.product-card .spec { font-size: 13.5px; color: var(--muted-2); }
.product-card .temp { font-size: 13.5px; color: var(--orange); font-weight: 600; }
.product-card p { font-size: 14px; color: var(--muted); line-height: 1.75; }
.product-card .more { margin-top: auto; padding-top: 8px; font-size: 14px; color: var(--orange); font-weight: 600; }

/* ===================== 详情页 ===================== */
.detail-overview { display: grid; grid-template-columns: 560px 1fr; gap: 40px; align-items: start; }
.detail-overview .main-pic { height: 440px; overflow: hidden; background: #EDF1F5; }
.detail-overview .main-pic img { width: 100%; height: 100%; object-fit: cover; }
.eyebrow { font-size: 13px; font-family: var(--font-num); letter-spacing: 1.5px; color: var(--orange); font-weight: 600; margin-bottom: 12px; }
.detail-overview h1 { font-size: 34px; color: var(--navy); margin-bottom: 10px; }
.detail-overview .meta { font-size: 16px; color: var(--orange); font-weight: 600; margin-bottom: 14px; }
.detail-overview .desc { font-size: 15.5px; color: var(--muted); margin-bottom: 20px; }
.point-list { display: grid; grid-template-columns: 1fr 1fr; gap: 12px 24px; margin-bottom: 28px; }
.point-list li { display: flex; align-items: center; gap: 10px; font-size: 14.5px; color: var(--text); }
.point-list li::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--orange); flex: none; }
.btn-row { display: flex; gap: 14px; }
.btn-main { display: inline-block; background: var(--orange); color: #fff; font-size: 15px; font-weight: 600; padding: 13px 30px; border-radius: 4px; transition: background .2s; }
.btn-main:hover { background: var(--orange-d); color: #fff; }
.btn-ghost { display: inline-block; background: #fff; color: var(--navy); font-size: 15px; font-weight: 600; padding: 13px 30px; border-radius: 4px; border: 1px solid var(--border); }
.btn-ghost:hover { border-color: var(--navy); }
.product-content-section { background: var(--bg); }
.product-content { background: #fff; border: 1px solid var(--border); border-radius: 12px; padding: 34px 38px; font-size: 16px; line-height: 2; color: #41586D; }
.product-content p { margin-bottom: 14px; }
.product-content p:last-child { margin-bottom: 0; }
.product-content img, .product-content video, .product-content iframe { max-width: 100%; height: auto; border-radius: 8px; }
.product-content h3 { font-size: 19px; color: var(--navy); margin: 24px 0 12px; padding-left: 12px; border-left: 4px solid var(--orange); line-height: 1.5; }
.product-content ul, .product-content ol { padding-left: 22px; margin-bottom: 14px; }
.product-content li { list-style: disc; margin-bottom: 6px; }
.product-content table { width: 100%; border-collapse: collapse; margin: 12px 0; }
.product-content table td, .product-content table th { border: 1px solid var(--border); padding: 10px 12px; }
.param-section { background: var(--bg); }
.section-head { margin-bottom: 36px; }
.section-head h2 { font-size: 30px; color: var(--navy); font-weight: 700; }
.param-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.param-item { background: #fff; border: 1px solid var(--line); padding: 22px 24px; }
.param-item .k { font-size: 13px; color: var(--muted-2); margin-bottom: 6px; }
.param-item .v { font-size: 17px; color: var(--navy); font-weight: 600; }
.related-head { display: flex; align-items: baseline; justify-content: space-between; margin-bottom: 30px; }
.related-head h2 { font-size: 26px; color: var(--navy); }
.related-head a { font-size: 14px; color: var(--orange); font-weight: 600; }
.related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.related-card { background: #fff; border: 1px solid var(--line); overflow: hidden; transition: box-shadow .25s; }
.related-card:hover { box-shadow: 0 12px 28px rgba(11,37,69,.12); }
.related-card .pic { height: 180px; overflow: hidden; }
.related-card .pic img { width: 100%; height: 100%; object-fit: cover; }
.related-card .body { padding: 16px 20px; font-size: 18px; font-weight: 600; color: var(--navy); }

/* ===================== 案例卡 ===================== */
.case-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.case-card { background: #fff; border: 1px solid var(--line); overflow: hidden; transition: box-shadow .25s, transform .25s; }
.case-card:hover { box-shadow: 0 14px 34px rgba(11,37,69,.14); transform: translateY(-4px); }
.case-card .pic { height: 250px; overflow: hidden; }
.case-card .pic img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s; }
.case-card:hover .pic img { transform: scale(1.05); }
.case-card .cap { background: var(--navy); color: #fff; padding: 18px 22px; }
.case-card .cap h3 { font-size: 17px; font-weight: 600; line-height: 1.45; }
.case-card .cap .info { font-size: 13px; color: var(--on-dark); margin-top: 6px; }
.pagination { display: flex; justify-content: center; gap: 10px; margin-top: 44px; }
.pagination a { min-width: 40px; height: 40px; padding: 0 16px; display: inline-flex; align-items: center; justify-content: center; border: 1px solid var(--border); border-radius: 6px; font-size: 14px; color: var(--text); background: #fff; }
.pagination a.active { background: var(--orange); border-color: var(--orange); color: #fff; font-weight: 600; }
.pagination a:hover { border-color: var(--orange); color: var(--orange); }
.pagination a.active:hover { color: #fff; }

/* ===================== 案例详情 ===================== */
/* 顶部深蓝标题区只放「工程案例」四个字，工程名称下移到正文 */
.page-banner.case { padding-bottom: 44px; }
.page-banner .banner-title { font-size: 44px; font-weight: 700; line-height: 1.2; }
/* 正文标题区：工程名称 + 项目信息 */
.case-head { background: #fff; padding: 46px 0 6px; }
.case-head .case-title { font-size: 32px; font-weight: 700; line-height: 1.35; color: var(--navy); }
.case-head .case-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin-top: 14px; font-size: 14px; color: var(--muted-2); }
.case-head .case-meta i { font-style: normal; color: #C9D4DE; }
/* 正文紧接标题区，上方留白收一点，避免标题与内容之间空一大块 */
.section.case-body { padding-top: 38px; }
.case-info-bar { background: var(--navy); color: #fff; }
.case-info-bar .container { display: grid; grid-template-columns: 1.5fr 1fr 1fr; align-items: center; }
.case-info-bar .item { padding: 26px 0 26px 32px; border-left: 1px solid rgba(255,255,255,.12); }
.case-info-bar .item:first-child { border-left: none; padding-left: 0; }
.case-info-bar .k { font-size: 13px; color: var(--on-dark); margin-bottom: 4px; }
.case-info-bar .v { font-size: 17px; font-weight: 600; }
.case-body-wrap { display: grid; grid-template-columns: 1fr 380px; gap: 40px; align-items: start; }
.case-video-section { padding: 34px 0 10px; background: #fff; }
.case-video-section .container { max-width: 960px; }
.video-box { background: #08111C; border-radius: 12px; overflow: hidden; box-shadow: 0 18px 40px -22px rgba(11,37,69,.5); }
.video-box video { display: block; width: 100%; max-height: 540px; background: #000; }
.case-article h2 { font-size: 22px; color: var(--navy); margin: 34px 0 14px; }
.case-article h2:first-child { margin-top: 0; }
.case-article p { font-size: 15.5px; color: var(--muted); line-height: 1.9; }
.side-card { background: #fff; border: 1px solid var(--line); padding: 26px 28px; }
.side-card h3 { font-size: 18px; color: var(--navy); margin-bottom: 18px; }
.side-card .row { display: flex; justify-content: space-between; gap: 16px; padding: 12px 0; border-top: 1px dashed var(--border); font-size: 15px; }
.side-card .row:first-of-type { border-top: none; padding-top: 0; }
.side-card .row .k { color: var(--muted-2); flex: none; }
.side-card .row .v { color: var(--navy); font-weight: 600; text-align: right; }

/* ===================== 新闻 ===================== */
.news-layout { display: grid; grid-template-columns: 1fr 460px; gap: 40px; align-items: start; }
.news-item { display: flex; align-items: center; gap: 24px; padding: 26px 4px; border-bottom: 1px solid var(--line); }
.news-item:first-child { padding-top: 4px; }
.news-item .date { font-size: 13.5px; font-family: var(--font-num); color: var(--muted-2); flex: none; width: 82px; white-space: nowrap; }
.news-item h3 { font-size: 17px; color: var(--text); font-weight: 600; flex: 1; line-height: 1.5; }
.news-item:hover h3 { color: var(--orange); }
.news-item .arrow { color: var(--orange); font-size: 16px; flex: none; }
.headline-card { background: #FFF7F1; border: 1px solid #FFE3CE; border-radius: 16px; padding: 30px 32px; }
.headline-card .cat { display: inline-block; background: var(--orange); color: #fff; font-size: 12px; border-radius: 999px; padding: 4px 14px; margin-bottom: 12px; }
.headline-card .date { font-size: 13px; font-family: var(--font-num); color: var(--muted); margin-bottom: 10px; }
.headline-card h3 { font-size: 23px; color: var(--navy); line-height: 1.45; margin-bottom: 14px; }
.headline-card p { font-size: 14.5px; color: var(--muted); margin-bottom: 18px; }
.headline-card .read { font-size: 14px; color: var(--orange); font-weight: 600; }
.article-wrap { max-width: 800px; margin: 0 auto; }
.article-meta { display: flex; gap: 28px; font-size: 14px; color: var(--muted-2); padding-bottom: 24px; border-bottom: 1px solid var(--line); margin-bottom: 28px; }
.article-body p { font-size: 16px; color: var(--text); line-height: 1.95; margin-bottom: 20px; }
.article-quote { display: flex; gap: 16px; background: var(--bg); padding: 22px 24px; margin: 26px 0; }
.article-quote .bar { width: 3px; background: var(--orange); flex: none; }
.article-quote p { font-size: 15.5px; color: var(--steel); margin: 0; }
.article-figure { margin: 28px 0; }
.article-figure img { width: 100%; }
.prev-next { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-top: 48px; }
.prev-next a { background: var(--bg); padding: 20px 24px; display: block; }
.prev-next .dir { font-size: 13px; color: var(--muted-2); margin-bottom: 6px; }
.prev-next .t { font-size: 16px; color: var(--navy); font-weight: 600; line-height: 1.5; }
.prev-next a:hover .t { color: var(--orange); }
.prev-next .next { text-align: right; }

/* ===================== 关于我们 ===================== */
.about-intro { display: grid; grid-template-columns: 560px 1fr; gap: 44px; align-items: start; }
.about-intro .factory-pic { height: 420px; overflow: hidden; background: #EDF1F5; }
.about-intro .factory-pic img { width: 100%; height: 100%; object-fit: cover; }
.about-intro h2 { font-size: 30px; color: var(--navy); margin-bottom: 16px; }
.about-intro p { font-size: 15.5px; color: var(--muted); margin-bottom: 14px; }
.promise-block { background: #FDF1E7; padding: 20px 24px; margin-top: 8px; }
.promise-block .t { font-size: 15px; color: var(--navy); font-weight: 700; margin-bottom: 6px; }
.promise-block p { font-size: 14.5px; color: var(--steel); margin: 0; }
.stat-bar { background: var(--navy); }
.stat-bar .container { display: flex; }
.stat-bar .item { flex: 1; text-align: center; padding: 40px 0; border-left: 1px solid rgba(255,255,255,.12); }
.stat-bar .item:first-child { border-left: none; }
.stat-bar .n { font-size: 30px; color: #fff; font-weight: 700; font-family: var(--font-num); }
.stat-bar .n.cn { font-family: var(--font); }
.stat-bar .d { font-size: 13.5px; color: var(--on-dark); margin-top: 4px; }
.timeline-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.timeline-card { background: #fff; border: 1px solid var(--line); border-top: 3px solid var(--orange); padding: 24px 26px; }
.timeline-card .y { font-size: 20px; color: var(--orange); font-weight: 700; font-family: var(--font-num); margin-bottom: 8px; }
.timeline-card p { font-size: 14.5px; color: var(--muted); line-height: 1.7; }
.cert-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.cert-card { background: #fff; border: 1px solid var(--line); padding: 20px 20px 18px; }
.cert-card .pic { height: 340px; display: flex; align-items: center; justify-content: center; background: #FAFBFC; overflow: hidden; }
.cert-card .pic img { max-width: 100%; max-height: 100%; object-fit: contain; }
.cert-card .name { text-align: center; font-size: 15px; color: var(--navy); font-weight: 600; margin-top: 14px; }
.client-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 20px; }
.client-tile { background: #fff; border: 1px solid var(--line); height: 96px; display: flex; align-items: center; justify-content: center; padding: 10px 16px; text-align: center; font-size: 12.5px; color: var(--steel); font-weight: 500; line-height: 1.5; transition: box-shadow .2s; }
.client-tile:hover { box-shadow: 0 8px 20px rgba(11,37,69,.08); }
.client-tile.total { background: var(--orange); border-color: var(--orange); color: #fff; flex-direction: column; gap: 2px; }
.client-tile.total .n { font-size: 26px; font-weight: 700; font-family: var(--font-num); line-height: 1.2; }
.client-tile.total .d { font-size: 12.5px; }

/* ===================== 联系我们 ===================== */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.contact-card { border: 1px solid var(--line); padding: 30px 32px; }
.contact-card.navy { background: var(--navy); border-color: var(--navy); }
.contact-card .k { font-size: 13px; color: var(--muted-2); margin-bottom: 10px; }
.contact-card.navy .k { color: var(--on-dark); }
.contact-card .v { font-size: 30px; color: var(--navy); font-weight: 700; line-height: 1.3; }
.contact-card .v.mid { font-size: 22px; }
.contact-card.navy .v { color: #fff; }
.contact-card .d { font-size: 14.5px; color: var(--muted); margin-top: 8px; }
.contact-card.navy .d { color: var(--on-dark); }
.contact-card.warm { background: #FDF1E7; }
.contact-card.warm .v { color: var(--orange-d); }
.map-form { display: grid; grid-template-columns: 700px 1fr; gap: 24px; align-items: stretch; }
.map-box { position: relative; background: var(--navy); overflow: hidden; min-height: 460px; }
.map-box img { width: 100%; height: 100%; object-fit: cover; position: absolute; inset: 0; }
.map-pin { position: absolute; left: 50%; top: 50%; transform: translate(-50%, -100%); display: flex; flex-direction: column; align-items: center; gap: 6px; }
.map-pin .label { background: var(--orange); color: #fff; font-size: 15px; font-weight: 600; padding: 8px 16px; border-radius: 6px; box-shadow: 0 6px 16px rgba(232,95,18,.4); }
.map-pin .dot { width: 14px; height: 14px; background: var(--orange); border-radius: 50%; border: 3px solid #fff; box-shadow: 0 2px 8px rgba(0,0,0,.35); }
.quote-form { background: var(--bg); padding: 30px 32px; }
.quote-form h3 { font-size: 24px; color: var(--navy); margin-bottom: 8px; }
.quote-form .tip { font-size: 14px; color: var(--muted); margin-bottom: 20px; }
.form-field { margin-bottom: 16px; }
.form-field label { display: block; font-size: 13px; color: var(--muted-2); margin-bottom: 6px; }
.form-field input, .form-field textarea { width: 100%; border: 1px solid var(--border); background: #fff; padding: 11px 14px; font-size: 14px; color: var(--text); border-radius: 4px; }
.form-field input:focus, .form-field textarea:focus { border-color: var(--orange); }
.form-field textarea { height: 88px; resize: vertical; }
.btn-submit { width: 100%; background: var(--orange); color: #fff; border: none; font-size: 15.5px; font-weight: 600; padding: 14px; border-radius: 4px; cursor: pointer; transition: background .2s; }
.btn-submit:hover { background: var(--orange-d); }

/* ===================== 底部转化区 ===================== */
.cta-band { background: linear-gradient(90deg, #E85F12, #F58534); color: #fff; }
.cta-band .container { display: flex; align-items: center; justify-content: space-between; gap: 40px; padding: 52px 0; }
.cta-band h2 { font-size: 32px; font-weight: 700; margin-bottom: 10px; }
.cta-band .desc { font-size: 15.5px; color: rgba(255,255,255,.85); max-width: 660px; }
.cta-band .btns { display: flex; gap: 14px; flex: none; }
.btn-navy { display: inline-block; background: var(--navy); color: #fff; font-size: 16px; font-weight: 600; padding: 14px 28px; border-radius: 4px; }
.btn-navy:hover { background: #081C36; color: #fff; }
.btn-white { display: inline-flex; align-items: center; gap: 8px; background: #fff; color: var(--navy); font-size: 16px; font-weight: 600; padding: 14px 24px; border-radius: 8px; font-family: var(--font-num); }
.btn-white svg { width: 16px; height: 16px; }

/* ===================== 页脚 ===================== */
.site-footer { background: var(--navy); color: var(--on-dark); }
.footer-main { display: flex; gap: 60px; padding: 56px 0 48px; }
.footer-brand { width: 392px; flex: none; }
.footer-logo { display: flex; align-items: center; margin-bottom: 18px; }
.footer-logo .mark { width: 42px; height: 42px; }
.footer-logo .name { font-size: 22px; color: #fff; font-weight: 700; letter-spacing: 1px; }
.footer-brand .intro { font-size: 14px; line-height: 1.8; margin-bottom: 14px; }
.footer-brand .contact { font-size: 14px; line-height: 1.9; }
.footer-col { flex: 1; }
.footer-col h4 { font-size: 15px; color: #fff; font-weight: 600; margin-bottom: 18px; }
.footer-col a { display: block; font-size: 14px; color: #7D94A9; padding: 5px 0; }
.footer-col a:hover { color: var(--orange); }
.footer-line { height: 1px; background: rgba(255,255,255,.12); }
.footer-bottom { display: flex; justify-content: space-between; align-items: center; padding: 22px 0; font-size: 13px; color: #5C7488; }
.footer-bottom .right { display: flex; gap: 24px; }

/* ===================== 板块标题 ===================== */
.sec-head { margin-bottom: 44px; }
.sec-head .eyebrow-row { display: flex; align-items: center; gap: 10px; margin-bottom: 14px; }
.sec-head .eyebrow-bar { width: 3px; height: 16px; border-radius: 2px; background: var(--orange); }
.sec-head .eyebrow { font-size: 13px; font-family: var(--font-num); letter-spacing: 1.5px; color: var(--orange); font-weight: 600; }
.sec-head h2 { font-size: 38px; color: var(--navy); font-weight: 700; line-height: 1.3; margin-bottom: 12px; }
.sec-head .desc { font-size: 16px; color: var(--muted); max-width: 880px; }
.sec-head.light h2 { color: #fff; }
.sec-head.light .desc { color: var(--on-dark); }
.sec-head-row { display: flex; align-items: flex-end; justify-content: space-between; margin-bottom: 44px; }
.sec-head-row .sec-head { margin-bottom: 0; }
.link-all { font-size: 15px; color: var(--orange); font-weight: 600; display: inline-flex; align-items: center; gap: 6px; flex: none; }

/* ===================== 首页 Hero ===================== */
.hero { position: relative; background: var(--navy); overflow: hidden; }
.hero .bg { position: absolute; inset: 0; }
.hero .bg img { width: 100%; height: 100%; object-fit: cover; }
.hero .shade { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(8,25,48,.93) 0%, rgba(8,25,48,.82) 42%, rgba(10,29,54,.55) 70%, rgba(10,29,54,.35) 100%); }
.hero .shade-b { position: absolute; left: 0; right: 0; bottom: 0; height: 220px; background: linear-gradient(180deg, rgba(8,25,48,0), rgba(8,25,48,.72)); }
.hero .container { position: relative; z-index: 2; padding: 96px 0 64px; }
.hero-badge { display: inline-flex; align-items: center; gap: 8px; background: var(--orange); color: #fff; font-size: 13.5px; border-radius: 999px; padding: 7px 18px; margin-bottom: 28px; }
.hero-badge svg { width: 14px; height: 14px; }
.hero h1 { font-size: 60px; color: #fff; font-weight: 700; line-height: 1.22; max-width: 860px; margin-bottom: 24px; }
.hero .sub { font-size: 16px; color: #C4D5E2; max-width: 820px; line-height: 1.9; margin-bottom: 36px; }
.hero-btns { display: flex; gap: 16px; margin-bottom: 72px; }
.hero-data { position: relative; z-index: 2; background: rgba(255,255,255,.1); backdrop-filter: blur(6px); border-top: 1px solid rgba(255,255,255,.16); }
.hero-data .container { padding: 0; }
.hero-data .row { display: flex; }
.hero-data .item { flex: 1; text-align: center; padding: 20px 0; border-left: 1px solid rgba(255,255,255,.14); }
.hero-data .item:first-child { border-left: none; }
.hero-data .n { font-size: 30px; color: #fff; font-weight: 700; font-family: var(--font-num); }
.hero-data .n.cn { font-family: var(--font); }
.hero-data .d { font-size: 13.5px; color: #AEC3D3; margin-top: 2px; }

/* ===================== 核心优势（深蓝底） ===================== */
.adv-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.adv-card { background: #fff; border-radius: 14px; padding: 30px 34px; display: flex; gap: 24px; align-items: flex-start; }
.adv-card .no { font-size: 30px; color: var(--orange); font-weight: 700; font-family: var(--font-num); line-height: 1; margin-top: 4px; flex: none; width: 46px; }
.adv-card .icon { width: 52px; height: 52px; border-radius: 12px; background: #EAF4FB; display: flex; align-items: center; justify-content: center; flex: none; }
.adv-card .icon svg { width: 26px; height: 26px; stroke: #1E6DB2; fill: none; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.adv-card h3 { font-size: 19px; color: var(--navy); margin-bottom: 8px; }
.adv-card p { font-size: 14.5px; color: var(--muted); line-height: 1.75; }

/* ===================== 产品线（交错横条） ===================== */
.line-card { background: #fff; border-radius: 16px; overflow: hidden; display: flex; height: 300px; margin-bottom: 24px; border: 1px solid var(--line); }
.line-card.rev { flex-direction: row-reverse; }
.line-card .pic { width: 520px; flex: none; overflow: hidden; }
.line-card .pic img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s; }
.line-card:hover .pic img { transform: scale(1.04); }
.line-card .body { flex: 1; padding: 36px 40px; display: flex; flex-direction: column; justify-content: center; }
.line-card .t-row { display: flex; align-items: baseline; gap: 14px; margin-bottom: 14px; }
.line-card h3 { font-size: 22px; color: var(--navy); font-weight: 700; }
.line-card .count { font-size: 13.5px; color: var(--orange); font-weight: 600; }
.line-card p { font-size: 14.5px; color: var(--muted); line-height: 1.8; margin-bottom: 14px; }
.line-card .subs { font-size: 13.5px; color: var(--muted-2); line-height: 1.8; }

/* ===================== 服务流程（5列大数字） ===================== */
.flow-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 32px; }
.flow-item .no { font-size: 44px; color: var(--orange); font-weight: 700; font-family: var(--font-num); line-height: 1; margin-bottom: 16px; }
.flow-item h3 { font-size: 18px; color: var(--navy); margin-bottom: 8px; }
.flow-item p { font-size: 14px; color: var(--muted); line-height: 1.75; }

/* ===================== 首页行业标签 ===================== */
.ind-labels { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 10px; }
.ind-labels .lb-title { width: 100%; font-size: 14px; color: var(--muted); font-weight: 600; margin-bottom: 2px; }
.ind-labels .lb { background: #fff; border: 1px solid var(--border); border-radius: 999px; padding: 8px 20px; font-size: 14px; color: var(--text); }

/* ===================== 首页新闻 ===================== */
.news-list-item { display: flex; gap: 24px; align-items: center; padding: 24px 0; border-bottom: 1px solid var(--line); }
.news-list-item:first-child { padding-top: 0; }
.news-list-item .date-box { width: 76px; flex: none; text-align: center; border-right: 1px solid var(--line); padding-right: 18px; }
.news-list-item .date-box .d { font-size: 17px; color: var(--navy); font-weight: 700; font-family: var(--font-num); line-height: 1.2; }
.news-list-item .date-box .y { font-size: 12px; color: var(--muted-2); font-family: var(--font-num); }
.news-list-item .txt { flex: 1; }
.news-list-item h3 { font-size: 16.5px; color: var(--text); font-weight: 600; line-height: 1.5; margin-bottom: 4px; }
.news-list-item:hover h3 { color: var(--orange); }
.news-list-item .cat { font-size: 12.5px; color: var(--muted-2); }
.news-list-item .arrow { color: #C4D2DE; flex: none; transition: color .2s, transform .2s; }
.news-list-item:hover .arrow { color: var(--orange); transform: translateX(3px); }

/* ===================== 客户信赖条 ===================== */
.home-clients { background: var(--bg); }
.client-row { display: grid; grid-template-columns: repeat(6, 1fr); gap: 16px; }
.client-row .tile { background: #fff; border: 1px solid var(--line); height: 76px; display: flex; align-items: center; justify-content: center; font-size: 14px; color: var(--steel); font-weight: 500; }
.client-row .tile.total { background: var(--orange); border-color: var(--orange); color: #fff; text-align: center; line-height: 1.4; }

/* ===================== 页脚通用小屏兜底 ===================== */
@media (max-width: 1300px) { body { min-width: 0; } }

/* =========================================================
   动效层（2026-10 迭代：让整站“活”起来）
   原则：只用 transform / opacity / box-shadow，不触发布局抖动
   ========================================================= */

/* ---------- 关键帧 ---------- */
@keyframes anrFadeUp { from { opacity: 0; transform: translateY(26px); } to { opacity: 1; transform: none; } }
@keyframes anrKenBurns { from { transform: scale(1.02); } to { transform: scale(1.11); } }
@keyframes anrShine { from { left: -130%; } to { left: 140%; } }
@keyframes anrPinPulse { 0% { transform: scale(.7); opacity: .85; } 70% { transform: scale(2.6); opacity: 0; } 100% { transform: scale(2.6); opacity: 0; } }
@keyframes anrGradient { 0% { background-position: 0% 50%; } 100% { background-position: 100% 50%; } }
@keyframes anrBarGrow { from { transform: scaleY(.2); opacity: 0; } to { transform: scaleY(1); opacity: 1; } }
@keyframes anrFloatY { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-4px); } }

/* ---------- 滚动进场 ---------- */
html.js .reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity .72s cubic-bezier(.22, .61, .36, 1), transform .72s cubic-bezier(.22, .61, .36, 1);
  will-change: opacity, transform;
}
html.js .reveal.reveal-zoom { transform: translateY(22px) scale(.975); }
html.js .reveal.in { opacity: 1; transform: none; }

/* ---------- 头部：吸顶收缩 + 进度条 ---------- */
.site-header { transition: height .32s cubic-bezier(.22,.61,.36,1), box-shadow .32s, background .32s; }
.site-header .container { transition: height .32s cubic-bezier(.22,.61,.36,1); }
.brand-mark, .search-btn { transition: width .3s, height .3s, background .25s, transform .3s; }
.site-header.scrolled { box-shadow: 0 12px 30px -14px rgba(11,37,69,.30); background: rgba(255,255,255,.96); backdrop-filter: saturate(160%) blur(8px); }
.site-header.scrolled, .site-header.scrolled .container { height: 78px; }
.site-header.scrolled .main-nav > a { padding: 28px 0 26px; }
.site-header.scrolled .brand-mark { width: 40px; height: 40px; }
.site-header.scrolled .nav-right .btn-cta { padding: 10px 20px; }
.btn-cta { transition: background .22s, transform .22s, box-shadow .25s; }
.btn-cta:hover { transform: translateY(-2px); box-shadow: 0 12px 24px -8px rgba(242,106,27,.55); }

/* 顶部阅读进度条 */
.scroll-progress { position: fixed; top: 0; left: 0; height: 3px; width: 0; z-index: 300; background: linear-gradient(90deg, var(--orange), var(--orange-l)); box-shadow: 0 0 10px rgba(242,106,27,.55); transition: width .08s linear; }

/* 回到顶部 */
.to-top {
  position: fixed; right: 30px; bottom: 38px; z-index: 260;
  width: 48px; height: 48px; border: none; cursor: pointer; border-radius: 50%;
  background: var(--navy); color: #fff; display: flex; align-items: center; justify-content: center;
  box-shadow: 0 12px 28px -8px rgba(11,37,69,.45);
  opacity: 0; visibility: hidden; transform: translateY(14px) scale(.92);
  transition: opacity .3s, transform .3s, visibility .3s, background .25s;
}
.to-top svg { width: 20px; height: 20px; }
.to-top.show { opacity: 1; visibility: visible; transform: none; }
.to-top:hover { background: var(--orange); transform: translateY(-3px); }

/* ---------- 导航交互 ---------- */
.main-nav > a::before { content: ""; position: absolute; left: 50%; bottom: 22px; transform: translateX(-50%) scaleX(0); width: 100%; height: 3px; border-radius: 2px; background: rgba(242,106,27,.35); transform-origin: center; transition: transform .28s cubic-bezier(.22,.61,.36,1); }
.main-nav > a:hover::before { transform: translateX(-50%) scaleX(.85); }
.main-nav > a.active::after { animation: anrBarGrow .35s ease-out both; }
.topbar-right a { transition: color .2s, transform .2s; display: inline-block; }
.topbar-right a:hover { transform: translateY(-1px); }

/* ---------- 按钮光泽扫过 ---------- */
.btn-main, .btn-cta, .btn-submit, .btn-navy { position: relative; overflow: hidden; }
.btn-main::after, .btn-cta::after, .btn-submit::after {
  content: ""; position: absolute; top: 0; left: -130%; width: 55%; height: 100%;
  background: linear-gradient(100deg, transparent, rgba(255,255,255,.5), transparent);
  transform: skewX(-18deg); pointer-events: none;
}
.btn-main:hover::after, .btn-cta:hover::after, .btn-submit:hover::after { animation: anrShine .75s ease-out; }
.btn-main:hover, .btn-submit:hover { transform: translateY(-2px); box-shadow: 0 14px 26px -10px rgba(242,106,27,.6); }
.btn-main, .btn-submit { transition: background .22s, transform .22s, box-shadow .25s; }
.btn-ghost { transition: border-color .22s, background .22s, transform .22s; }
.btn-ghost:hover { transform: translateY(-2px); }
.btn-navy, .btn-white { transition: background .22s, transform .22s, box-shadow .25s; }
.btn-navy:hover, .btn-white:hover { transform: translateY(-2px); }
.link-all { transition: color .2s, gap .25s; }
.link-all:hover { gap: 12px; }
.related-head a { transition: color .2s, letter-spacing .25s; }
.related-head a:hover { letter-spacing: .6px; }

/* ---------- Hero ---------- */
.hero .bg img { animation: anrKenBurns 26s ease-in-out infinite alternate; }
.hero .shade { background-size: 200% 100%; }
.hero-badge { animation: anrFloatY 4.5s ease-in-out infinite; }
.hero h1, .hero .sub, .hero-btns { animation: anrFadeUp .8s cubic-bezier(.22,.61,.36,1) both; }
.hero h1 { animation-delay: .12s; }
.hero .sub { animation-delay: .24s; }
.hero-btns { animation-delay: .34s; }
.hero-data .item { transition: background .3s; }
.hero-data .item:hover { background: rgba(242,106,27,.18); }
.hero-data .n { transition: color .3s, transform .3s; }
.hero-data .item:hover .n { color: var(--orange-l); transform: translateY(-2px); }

/* ---------- 内页 Banner ---------- */
.page-banner .title-bar { animation: anrBarGrow .5s ease-out both; transform-origin: bottom; }
.page-banner h1, .page-banner .banner-title { animation: anrFadeUp .7s cubic-bezier(.22,.61,.36,1) both; }
.page-banner .sub { animation: anrFadeUp .7s .12s cubic-bezier(.22,.61,.36,1) both; }

/* ---------- 板块标题眉标 ---------- */
.sec-head .eyebrow-bar { transition: transform .35s, height .35s; }
.sec-head:hover .eyebrow-bar { transform: scaleY(1.35); }
.sec-head h2 { transition: color .25s; }

/* ---------- 优势卡 ---------- */
.adv-card { transition: transform .32s cubic-bezier(.22,.61,.36,1), box-shadow .32s; }
.adv-card:hover { transform: translateY(-6px); box-shadow: 0 20px 40px -16px rgba(3,14,29,.55); }
.adv-card .icon { transition: transform .35s cubic-bezier(.22,.61,.36,1), background .3s; }
.adv-card:hover .icon { background: #FDE9DA; transform: rotate(-6deg) scale(1.06); }
.adv-card .icon svg { transition: stroke .3s, transform .35s; }
.adv-card:hover .icon svg { stroke: var(--orange); transform: scale(1.08); }
.adv-card .no { transition: transform .35s, color .3s; }
.adv-card:hover .no { transform: translateY(-4px) scale(1.08); }

/* ---------- 产品线横条 ---------- */
.line-card { transition: box-shadow .35s, transform .35s; }
.line-card:hover { box-shadow: 0 22px 46px -18px rgba(11,37,69,.28); transform: translateY(-3px); }
.line-card .count { transition: transform .3s, letter-spacing .3s; }
.line-card:hover .count { transform: translateX(3px); }

/* ---------- 服务流程 ---------- */
.flow-item { transition: transform .3s; }
.flow-item:hover { transform: translateY(-5px); }
.flow-item .no { transition: transform .35s cubic-bezier(.22,.61,.36,1), color .3s; }
.flow-item:hover .no { transform: scale(1.12); color: var(--orange-d); }

/* ---------- 卡片通用：橙色顶线 + 悬浮 ---------- */
.product-card, .case-card, .related-card, .param-item, .timeline-card, .cert-card, .contact-card { position: relative; }
.product-card::after, .case-card::after {
  content: ""; position: absolute; left: 0; right: 0; top: 0; height: 3px; z-index: 2;
  background: linear-gradient(90deg, var(--orange), var(--orange-l));
  transform: scaleX(0); transform-origin: left; transition: transform .38s cubic-bezier(.22,.61,.36,1);
}
.product-card:hover::after, .case-card:hover::after { transform: scaleX(1); }
.product-card .more { transition: gap .25s, letter-spacing .25s; }
.product-card:hover .more { letter-spacing: .5px; }
.case-card .cap { transition: background .3s; }
.case-card:hover .cap { background: #122F55; }
.related-card { transition: box-shadow .3s, transform .3s; }
.related-card:hover { transform: translateY(-4px); }
.related-card .pic img { transition: transform .4s; }
.related-card:hover .pic img { transform: scale(1.06); }
.param-item { transition: border-color .28s, box-shadow .28s, transform .28s; }
.param-item:hover { border-color: var(--orange); box-shadow: 0 12px 26px -14px rgba(11,37,69,.35); transform: translateY(-3px); }
.timeline-card { transition: transform .3s, box-shadow .3s, border-top-color .3s; }
.timeline-card:hover { transform: translateY(-5px); box-shadow: 0 18px 36px -18px rgba(11,37,69,.3); border-top-color: var(--orange-l); }
.cert-card { transition: box-shadow .3s, transform .3s; }
.cert-card:hover { box-shadow: 0 20px 42px -20px rgba(11,37,69,.34); transform: translateY(-4px); }
.cert-card .pic img { transition: transform .45s cubic-bezier(.22,.61,.36,1); }
.cert-card:hover .pic img { transform: scale(1.035); }

/* ---------- 客户墙 ---------- */
.client-tile { transition: transform .28s, box-shadow .28s, border-color .28s, color .25s; }
.client-tile:hover { transform: translateY(-4px); border-color: var(--orange); color: var(--orange-d); box-shadow: 0 14px 28px -14px rgba(11,37,69,.35); }
.client-tile.total { animation: anrFloatY 5s ease-in-out infinite; }
.client-row .tile { transition: transform .28s, box-shadow .28s, border-color .28s, color .25s; }
.client-row .tile:hover { transform: translateY(-4px); border-color: var(--orange); color: var(--orange-d); box-shadow: 0 14px 28px -14px rgba(11,37,69,.3); }

/* ---------- 数据条 ---------- */
.stat-bar .item { transition: background .3s; }
.stat-bar .item:hover { background: rgba(242,106,27,.14); }
.stat-bar .n { transition: transform .3s, color .3s; }
.stat-bar .item:hover .n { transform: translateY(-3px); color: var(--orange-l); }

/* ---------- 新闻 ---------- */
.news-list-item, .news-item { transition: background .3s, padding-left .3s, transform .3s; }
.news-list-item:hover, .news-item:hover { background: #FAFCFF; padding-left: 10px; }
.headline-card { transition: transform .3s, box-shadow .3s; }
.headline-card:hover { transform: translateY(-4px); box-shadow: 0 22px 44px -22px rgba(242,106,27,.45); }
.headline-card .read { transition: letter-spacing .25s; }
.headline-card:hover .read { letter-spacing: .6px; }
.headline-card .cat { animation: anrFloatY 4s ease-in-out infinite; }

/* ---------- 筛选标签 ---------- */
.tag { transition: all .26s cubic-bezier(.22,.61,.36,1); }
.tag:hover { transform: translateY(-2px); box-shadow: 0 8px 18px -10px rgba(242,106,27,.6); }
.tag.active { box-shadow: 0 10px 20px -10px rgba(242,106,27,.75); }

/* ---------- 详情页要点 ---------- */
.point-list li { transition: transform .25s, color .25s; }
.point-list li:hover { transform: translateX(4px); color: var(--navy); }
.detail-overview .main-pic img { transition: transform .6s cubic-bezier(.22,.61,.36,1); }
.detail-overview .main-pic:hover img { transform: scale(1.04); }

/* ---------- 案例详情信息条 ---------- */
.case-info-bar .item { transition: background .3s; }
.case-info-bar .item:hover { background: rgba(242,106,27,.16); }

/* ---------- 地图定位点脉冲 ---------- */
.map-pin .dot { position: relative; }
.map-pin .dot::after { content: ""; position: absolute; inset: -3px; border-radius: 50%; border: 2px solid rgba(242,106,27,.8); animation: anrPinPulse 2.2s ease-out infinite; }
.map-pin .label { transition: transform .3s; }
.map-box:hover .map-pin .label { transform: translateY(-3px); }
.map-box img { transition: transform 6s ease-out; }
.map-box:hover img { transform: scale(1.04); }

/* ---------- 表单 ---------- */
.form-field input, .form-field textarea { transition: border-color .25s, box-shadow .25s, background .25s; }
.form-field input:hover, .form-field textarea:hover { border-color: #C6D4E2; }
.form-field input:focus, .form-field textarea:focus { box-shadow: 0 0 0 4px rgba(242,106,27,.13); background: #FFFDFB; }

/* ---------- 底部转化区 ---------- */
.cta-band { background: linear-gradient(90deg, #E85F12, #F58534, #E85F12, #F58534); background-size: 300% 100%; animation: anrGradient 12s ease-in-out infinite alternate; }

/* ---------- 页脚 ---------- */
.footer-col a { transition: color .22s, transform .22s; }
.footer-col a:hover { transform: translateX(4px); }
.footer-logo .mark { transition: transform .4s; }
.footer-logo:hover .mark { transform: rotate(-8deg) scale(1.06); }
.footer-bottom .right a, .footer-bottom .right .view-switch { transition: color .2s; }
.footer-bottom .right a:hover, .footer-bottom .right .view-switch:hover { color: var(--orange); }
.view-switch { cursor: pointer; }

/* ---------- 分页 ---------- */
.pagination a { transition: all .25s; }
.pagination a:hover { transform: translateY(-2px); box-shadow: 0 10px 20px -12px rgba(242,106,27,.7); }

/* ---------- 无障碍：尊重"减少动态效果" ---------- */
@media (prefers-reduced-motion: reduce) {
  html.js .reveal { opacity: 1 !important; transform: none !important; transition: none !important; }
  .hero .bg img, .hero-badge, .headline-card .cat, .client-tile.total, .map-pin .dot::after, .cta-band { animation: none !important; }
  .to-top, .scroll-progress { display: none !important; }
}

/* ===================== 客户 LOGO 图 ===================== */
.client-tile.client-logo, .tile.client-logo { padding: 8px 10px; }
.client-tile.client-logo img, .tile.client-logo img { display: block; max-width: 100%; max-height: 100%; width: auto; height: auto; object-fit: contain; }

/* ===== 新闻列表/详情 v3 改版（2026-10-16）===== */
.n-feat { position: relative; background: linear-gradient(135deg, #0B2545 0%, #14315B 100%); border-radius: 16px; padding: 38px 42px; color: #fff; margin-bottom: 36px; overflow: hidden; }
.n-feat::after { content: ""; position: absolute; right: -60px; top: -60px; width: 240px; height: 240px; border-radius: 50%; background: rgba(242,106,27,.16); }
.n-feat::before { content: ""; position: absolute; right: 70px; bottom: -90px; width: 190px; height: 190px; border-radius: 50%; background: rgba(255,255,255,.05); }
.n-feat .cat { display: inline-block; background: var(--orange); color: #fff; font-size: 12.5px; border-radius: 999px; padding: 5px 16px; margin-bottom: 16px; position: relative; z-index: 1; }
.n-feat h3 { font-size: 25px; line-height: 1.45; margin-bottom: 12px; position: relative; z-index: 1; max-width: 920px; }
.n-feat .ex { font-size: 15px; color: #A8BBCC; line-height: 1.8; max-width: 880px; margin-bottom: 20px; position: relative; z-index: 1; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.n-feat .meta { display: flex; align-items: center; gap: 22px; position: relative; z-index: 1; }
.n-feat .meta .date { font-family: var(--font-num); font-size: 13.5px; color: #8FA3B5; }
.n-feat .meta .read { color: #F58534; font-weight: 600; font-size: 14.5px; }
.n-feat:hover .read { color: #FF9355; }
.n-item { display: flex; gap: 20px; padding: 24px 4px; border-bottom: 1px solid var(--line); align-items: flex-start; }
.n-item .date-box { flex: none; width: 64px; text-align: center; background: #F5F8FB; border-radius: 10px; padding: 12px 0 9px; transition: background .25s; }
.n-item .date-box .d { font-family: var(--font-num); font-size: 26px; font-weight: 700; color: var(--navy); line-height: 1; }
.n-item .date-box .y { font-family: var(--font-num); font-size: 12px; color: #7A8A99; margin-top: 5px; letter-spacing: -.2px; }
.n-item .txt { flex: 1; min-width: 0; }
.n-item h3 { font-size: 17.5px; color: var(--text); font-weight: 600; line-height: 1.5; margin-bottom: 7px; }
.n-item .ex { font-size: 14px; color: var(--muted); line-height: 1.75; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.n-item .arrow { flex: none; align-self: center; color: #C9D4DE; font-size: 18px; transition: transform .25s, color .25s; }
.n-item:hover h3, .n-item:active h3 { color: var(--orange); }
.n-item:hover .date-box { background: var(--orange); }
.n-item:hover .date-box .d, .n-item:hover .date-box .y { color: #fff; }
.n-item:hover .arrow { color: var(--orange); transform: translateX(5px); }
/* 详情页 v3 */
.article-wrap { max-width: 860px; }
.article-wrap .art-head h1 { font-size: 30px; color: var(--navy); line-height: 1.5; margin-bottom: 14px; }
.article-meta { display: flex; flex-wrap: wrap; gap: 12px 28px; font-size: 14px; color: var(--muted-2); padding-bottom: 22px; border-bottom: 1px solid var(--line); margin-bottom: 30px; }
.article-body p { font-size: 16.5px; color: #39485A; line-height: 2.05; text-align: justify; margin-bottom: 18px; }
.article-body p.lab { font-size: 16px; font-weight: 700; color: var(--navy); margin: 22px 0 8px; }
.article-body h3 { font-size: 20px; color: var(--navy); line-height: 1.5; margin: 36px 0 14px; padding: 2px 0 2px 14px; border-left: 4px solid var(--orange); }
/* 富文本正文（后台编辑器产出）：图片 / 视频 / 表格 / 列表 自适应 */
.article-body img, .case-article img { max-width: 100%; height: auto; display: block; margin: 22px auto; border-radius: 8px; }
/* 视频按栏宽自适应：不写死宽高，竖屏视频也不会被压扁 */
.article-body video, .case-article video, .product-content video { display: block; width: 100%; height: auto; max-width: 100%; margin: 22px auto; border-radius: 8px; background: #000; }
.article-body iframe, .case-article iframe { width: 100%; max-width: 100%; min-height: 380px; border: 0; display: block; margin: 22px 0; border-radius: 8px; }
.article-body table, .case-article table { width: 100%; border-collapse: collapse; margin: 20px 0; font-size: 15px; }
.article-body table th, .article-body table td,
.case-article table th, .case-article table td { border: 1px solid var(--line); padding: 9px 12px; text-align: left; color: #39485A; }
.article-body table th, .case-article table th { background: #F4F8FB; color: var(--navy); font-weight: 600; }
.article-body ul, .article-body ol, .case-article ul, .case-article ol { margin: 0 0 18px 24px; }
.article-body li, .case-article li { font-size: 16px; line-height: 1.95; color: #39485A; margin-bottom: 8px; }
.article-body blockquote, .case-article blockquote { border-left: 4px solid var(--orange); background: #F7FAFD; padding: 12px 20px; margin: 20px 0; }
.article-body blockquote p, .case-article blockquote p { margin-bottom: 0; }
.article-body a, .case-article a { color: var(--orange); text-decoration: underline; }
.n-related { margin-top: 48px; }
.n-related .hd { font-size: 20px; font-weight: 700; color: var(--navy); margin-bottom: 18px; padding-left: 12px; border-left: 4px solid var(--orange); line-height: 1.3; }
.n-related .grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.n-related .grid a { background: var(--bg); border: 1px solid var(--line); padding: 18px 20px; font-size: 14.5px; color: var(--text); font-weight: 600; line-height: 1.6; transition: border-color .25s, color .25s, transform .25s; }
.n-related .grid a:hover { border-color: var(--orange); color: var(--orange); transform: translateY(-3px); }

.n-nums { display: flex; flex-wrap: wrap; gap: 8px 20px; padding: 14px 18px; background: #F5F8FB; border-radius: 10px; margin: 6px 0 20px; font-size: 14.5px; color: #39485A; }
.n-nums b { color: var(--navy); font-family: var(--font-num); }

/* ===== 详情页 v8：左右布局加饱满（2026-10-16）===== */
.article-wrap { max-width: 100%; }
.article-layout { display: grid; grid-template-columns: minmax(0,1fr) 330px; gap: 44px; align-items: start; }
.article-main { min-width: 0; }
.art-side { position: sticky; top: 24px; display: grid; gap: 24px; }
.art-side .side-card { border-radius: 12px; }
.hot-list a { display: flex; gap: 12px; align-items: flex-start; padding: 13px 0; border-top: 1px dashed var(--border); font-size: 14.5px; color: var(--text); line-height: 1.55; font-weight: 500; }
.hot-list a:first-of-type { border-top: none; padding-top: 2px; }
.hot-list .idx { flex: none; width: 22px; height: 22px; margin-top: 2px; background: #EFF3F8; color: var(--muted-2); border-radius: 6px; display: flex; align-items: center; justify-content: center; font-family: var(--font-num); font-size: 12.5px; font-weight: 700; }
.hot-list a:nth-child(1) .idx { background: var(--orange); color: #fff; }
.hot-list a:nth-child(2) .idx { background: var(--navy); color: #fff; }
.hot-list a:nth-child(3) .idx { background: #14315B; color: #fff; }
.hot-list a:hover .t { color: var(--orange); }