/* ========== 中燃化工中文版 - 共用样式 ========== */
:root {
  --blue: #0F5BAA;
  --blue-d: #083A6E;
  --blue-l: #EAF2FA;
  --ink: #1F2937;
  --gray: #6B7280;
  --line: #E5E7EB;
  --bg: #F6F8FB;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: "Microsoft YaHei", "PingFang SC", "Noto Sans SC", sans-serif;
  color: var(--ink);
  line-height: 1.7;
  background: #fff;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
ul, ol { list-style: none; }
.container { width: min(1200px, 92%); margin: 0 auto; }

/* ===== 顶部导航 ===== */
.header {
  position: sticky; top: 0; z-index: 100;
  background: #fff; box-shadow: 0 1px 0 var(--line);
}
.header .bar {
  display: flex; align-items: center; justify-content: space-between;
  height: 72px; gap: 24px;
}
.logo { display: flex; align-items: center; gap: 12px; min-width: 0; }
.logo img { height: 46px; width: auto; }
.logo .t { font-size: 19px; font-weight: 700; color: var(--blue-d); line-height: 1.3; white-space: nowrap; }
.logo .t small { display: block; font-size: 11px; color: var(--gray); font-weight: 400; letter-spacing: .5px; }
.nav { display: flex; align-items: center; gap: 4px; }
.nav a {
  padding: 8px 13px; font-size: 15px; color: var(--ink);
  border-radius: 6px; white-space: nowrap; transition: .2s;
}
.nav a:hover, .nav a.on { color: #fff; background: var(--blue); }
.nav-toggle { display: none; font-size: 26px; color: var(--blue-d); cursor: pointer; background: none; border: none; }

/* ===== 页面大图 ===== */
.hero { position: relative; color: #fff; }
.hero img.bg { width: 100%; height: 660px; object-fit: cover; object-position: center bottom; }
.hero .mask {
  position: absolute; inset: 0;
  background: linear-gradient(90deg, rgba(8,58,110,.85) 0%, rgba(8,58,110,.45) 42%, rgba(8,58,110,.08) 72%, rgba(8,58,110,0) 100%);
  display: flex; align-items: center;
}
.hero .cap { width: min(1200px, 92%); margin: 0 auto; }
.hero .cap h1 { font-size: 34px; font-weight: 700; letter-spacing: 1px; }
.hero .cap p { margin-top: 10px; font-size: 15px; opacity: .92; }
.hero-btns { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 18px; align-items: center; }
.hero.inner img.bg { height: 500px; object-position: center bottom; }
.hero.inner .cap h1 { font-size: 28px; }

/* ===== 通用区块 ===== */
.section { padding: 64px 0; }
.section.tint { background: var(--bg); }
.sec-head { text-align: center; margin-bottom: 40px; }
.sec-head .k { color: var(--blue); font-size: 14px; letter-spacing: 3px; font-weight: 600; }
.sec-head h2 { font-size: 30px; margin-top: 6px; color: var(--ink); }
.sec-head p { color: var(--gray); margin-top: 10px; font-size: 15px; }
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--blue); color: #fff; padding: 12px 28px;
  border-radius: 6px; font-size: 15px; transition: .2s; cursor: pointer; border: none;
}
.btn:hover { background: var(--blue-d); }
.btn.ghost { background: transparent; color: var(--blue); border: 1px solid var(--blue); }
.btn.ghost:hover { background: var(--blue-l); }

/* ===== 首页：数据条 ===== */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.stat { background: #fff; border: 1px solid var(--line); border-radius: 10px; padding: 26px 16px; text-align: center; }
.stat b { display: block; font-size: 34px; color: var(--blue); font-family: Georgia, serif; }
.stat span { color: var(--gray); font-size: 14px; }

/* ===== 首页：简介 ===== */
.intro { display: grid; grid-template-columns: 1.05fr .95fr; gap: 48px; align-items: center; }
.intro .pic { border-radius: 12px; overflow: hidden; box-shadow: 0 10px 30px rgba(8,58,110,.12); }
.intro .pic img { height: 380px; width: 100%; object-fit: cover; }
.intro h2 { font-size: 26px; margin-bottom: 14px; }
.intro p { color: #4B5563; margin-bottom: 12px; font-size: 15px; }
.intro .more { margin-top: 18px; }

/* ===== 产品卡片 ===== */
.grid-products { display: grid; grid-template-columns: repeat(5, 1fr); gap: 18px; }
.p-card {
  background: #fff; border: 1px solid var(--line); border-radius: 10px;
  overflow: hidden; cursor: pointer; transition: .25s; display: flex; flex-direction: column;
}
.p-card:hover { transform: translateY(-4px); box-shadow: 0 12px 28px rgba(8,58,110,.14); border-color: #bcd3ec; }
.p-card .im { position: relative; aspect-ratio: 4/3; background: #F3F5F8; }
.p-card .im img { width: 100%; height: 100%; object-fit: cover; }
.p-card .cas {
  position: absolute; left: 0; bottom: 0; background: rgba(8,58,110,.82);
  color: #fff; font-size: 12px; padding: 3px 10px; letter-spacing: .5px;
}
.p-card .bd { padding: 12px 14px 14px; flex: 1; display: flex; flex-direction: column; }
.p-card .nm { font-size: 15px; font-weight: 600; color: var(--ink); line-height: 1.4; }
.p-card .en { font-size: 12px; color: var(--gray); margin-top: 2px; }
.p-card .tags { display: flex; flex-wrap: wrap; gap: 5px; margin-top: 8px; }
.tag { font-size: 11px; padding: 2px 8px; border-radius: 10px; background: var(--blue-l); color: var(--blue); }
.tag.a { background: #F0F7EE; color: #3E7A34; }
.tag.b { background: #FBF1E4; color: #A2651A; }
.p-card .go {
  margin-top: auto; padding-top: 10px; color: var(--blue);
  font-size: 13px; font-weight: 600; display: inline-flex; align-items: center; gap: 4px;
}

/* ===== 产品筛选 ===== */
.filters { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; margin-bottom: 14px; }
.f-group { width: 100%; display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; }
.f-label { width: 100%; text-align: center; color: var(--gray); font-size: 13px; margin-top: 6px; }
.chip {
  border: 1px solid var(--line); background: #fff; color: #4B5563;
  padding: 7px 16px; border-radius: 18px; font-size: 14px; cursor: pointer; transition: .2s;
}
.chip:hover { border-color: var(--blue); color: var(--blue); }
.chip.on { background: var(--blue); border-color: var(--blue); color: #fff; }
.f-result { text-align: center; color: var(--gray); font-size: 13px; margin: 10px 0 24px; }

/* ===== 产品详情弹窗 ===== */
.modal-mask {
  position: fixed; inset: 0; background: rgba(15,23,42,.58);
  z-index: 200; display: none; align-items: flex-start; justify-content: center;
  overflow-y: auto; padding: 40px 16px;
}
.modal-mask.show { display: flex; }
.modal {
  background: #fff; border-radius: 12px; width: min(880px, 100%);
  overflow: hidden; animation: pop .25s ease;
}
@keyframes pop { from { transform: translateY(18px); opacity: 0; } to { transform: none; opacity: 1; } }
.modal .m-head {
  display: flex; justify-content: space-between; align-items: flex-start;
  padding: 20px 24px 14px; border-bottom: 1px solid var(--line);
}
.modal .m-head h3 { font-size: 22px; color: var(--blue-d); }
.modal .m-head .sub { color: var(--gray); font-size: 13px; margin-top: 3px; }
.modal .m-close {
  background: none; border: none; font-size: 26px; color: var(--gray);
  cursor: pointer; line-height: 1; padding: 2px 6px;
}
.modal .m-close:hover { color: var(--blue); }
.modal .m-body { display: grid; grid-template-columns: 300px 1fr; gap: 22px; padding: 20px 24px 26px; }
.modal .m-pic { border-radius: 8px; overflow: hidden; border: 1px solid var(--line); align-self: start; }
.modal .m-pic img { width: 100%; aspect-ratio: 4/3; object-fit: cover; }
.modal .m-txt p { font-size: 14.5px; color: #374151; margin-bottom: 10px; }
.modal .m-txt .apps { color: var(--blue-d); font-weight: 600; }
.modal table.specs { width: 100%; border-collapse: collapse; margin-top: 8px; font-size: 14px; }
.modal table.specs th, .modal table.specs td { border: 1px solid var(--line); padding: 8px 12px; text-align: left; }
.modal table.specs th { background: var(--bg); color: var(--ink); width: 130px; font-weight: 600; }
.modal .m-foot { padding: 0 24px 22px; }

/* ===== 应用领域 ===== */
.app-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px; }
.app-card {
  border: 1px solid var(--line); border-radius: 10px; padding: 26px 18px;
  text-align: center; background: #fff; transition: .2s;
}
.app-card:hover { border-color: var(--blue); box-shadow: 0 8px 22px rgba(8,58,110,.1); }
.app-card .ic { font-size: 34px; }
.app-card h3 { font-size: 17px; margin-top: 10px; color: var(--blue-d); }
.app-card p { font-size: 13px; color: var(--gray); margin-top: 8px; }

/* ===== 优势列表 ===== */
.adv-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.adv-item {
  display: flex; gap: 18px; background: #fff; border: 1px solid var(--line);
  border-radius: 10px; padding: 24px;
}
.adv-item .no { font-size: 30px; font-family: Georgia, serif; color: #C9DCF0; font-weight: 700; line-height: 1; }
.adv-item h3 { font-size: 18px; color: var(--blue-d); margin-bottom: 8px; }
.adv-item p { font-size: 14px; color: #4B5563; }

/* ===== 图集 ===== */
.gal { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.gal .g { position: relative; border-radius: 8px; overflow: hidden; cursor: pointer; }
.gal .g img { width: 100%; height: 200px; object-fit: cover; transition: .3s; }
.gal .g:hover img { transform: scale(1.05); }
.gal .g .t {
  position: absolute; left: 0; right: 0; bottom: 0;
  background: linear-gradient(transparent, rgba(8,58,110,.85));
  color: #fff; font-size: 13px; padding: 26px 12px 10px;
}

/* ===== 文化/历程 ===== */
.cul-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.cul { border: 1px solid var(--line); border-radius: 10px; padding: 20px; background: #fff; }
.cul b { color: var(--blue); font-size: 15px; }
.cul span { display: block; color: #4B5563; font-size: 14px; margin-top: 6px; }
.tl { border-left: 2px solid #C9DCF0; margin-left: 10px; padding-left: 26px; }
.tl .ev { position: relative; padding-bottom: 22px; }
.tl .ev::before {
  content: ""; position: absolute; left: -33px; top: 6px;
  width: 12px; height: 12px; border-radius: 50%; background: var(--blue); border: 3px solid #fff; box-shadow: 0 0 0 2px var(--blue);
}
.tl .ev b { font-size: 16px; color: var(--blue-d); }
.tl .ev p { color: #4B5563; font-size: 14px; margin-top: 4px; }

/* ===== FAQ 手风琴 ===== */
.faq { max-width: 860px; margin: 0 auto; }
.faq .q { border: 1px solid var(--line); border-radius: 8px; margin-bottom: 12px; background: #fff; overflow: hidden; }
.faq .q > button {
  width: 100%; text-align: left; padding: 16px 20px; font-size: 15px; font-weight: 600;
  background: none; border: none; cursor: pointer; display: flex; justify-content: space-between; align-items: center; color: var(--ink);
}
.faq .q > button .pm { color: var(--blue); font-size: 20px; transition: .2s; }
.faq .q.open > button .pm { transform: rotate(45deg); }
.faq .a { max-height: 0; overflow: hidden; transition: max-height .3s ease; }
.faq .q.open .a { max-height: 400px; }
.faq .a p { padding: 0 20px 16px; color: #4B5563; font-size: 14.5px; }

/* ===== 新闻 ===== */
.news-list { max-width: 860px; margin: 0 auto; }
.news-item {
  border: 1px solid var(--line); border-radius: 10px; padding: 22px 24px;
  background: #fff; margin-bottom: 14px; cursor: pointer; transition: .2s;
}
.news-item:hover { border-color: var(--blue); box-shadow: 0 8px 22px rgba(8,58,110,.08); }
.news-item .meta { font-size: 12.5px; color: var(--gray); }
.news-item .meta .cat { color: var(--blue); background: var(--blue-l); padding: 2px 10px; border-radius: 10px; margin-right: 10px; }
.news-item h3 { font-size: 17px; margin: 8px 0 6px; color: var(--ink); }
.news-item p { font-size: 14px; color: #4B5563; }
/* 新闻弹窗复用 modal */
.modal .m-body.single { display: block; }
.modal .m-body.single p { font-size: 14.5px; color: #374151; margin-bottom: 12px; text-indent: 2em; }
.modal .m-body.single p:first-child { text-indent: 0; }

/* ===== 联系 ===== */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; }
.c-block { border: 1px solid var(--line); border-radius: 10px; padding: 24px; background: #fff; margin-bottom: 16px; }
.c-block h3 { font-size: 17px; color: var(--blue-d); margin-bottom: 14px; }
.c-pre { white-space: pre-wrap; overflow-wrap: break-word; font-size: 14.5px; color: #374151; line-height: 1.7; }
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; align-items: stretch; }
@media (max-width: 860px) { .two-col { grid-template-columns: 1fr; } }
.c-block .row { display: flex; gap: 10px; font-size: 14.5px; color: #4B5563; margin-bottom: 8px; align-items: baseline; }
.c-block .row b { color: var(--ink); min-width: 64px; }
.form { display: grid; gap: 12px; }
.form input, .form textarea {
  border: 1px solid var(--line); border-radius: 6px; padding: 12px 14px;
  font-size: 14px; font-family: inherit; width: 100%;
}
.form input:focus, .form textarea:focus { outline: 2px solid #C9DCF0; border-color: var(--blue); }
.form textarea { min-height: 120px; resize: vertical; }

/* ===== 车间视频 ===== */
.vid-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.vid-card { border: 1px solid var(--line); border-radius: 10px; overflow: hidden; background: #fff; }
.vid-card video { width: 100%; aspect-ratio: 4/3; object-fit: cover; display: block; background: #000; }
.vid-card .t { padding: 10px 12px; font-size: 14px; font-weight: 600; color: var(--ink); }
@media (max-width: 1024px) { .vid-grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 860px) { .vid-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .vid-grid { grid-template-columns: 1fr; } }

/* ===== 资质证书 ===== */
.cert-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; max-width: 900px; margin: 0 auto; }
.cert-card { background: #fff; border: 1px solid var(--line); border-radius: 10px; overflow: hidden; cursor: pointer; transition: .25s; }
.cert-card:hover { transform: translateY(-4px); box-shadow: 0 12px 28px rgba(8,58,110,.14); border-color: #bcd3ec; }
.cert-card img { width: 100%; display: block; aspect-ratio: 1654/2336; object-fit: cover; }
.cert-card .cap { padding: 13px 14px; text-align: center; }
.cert-card .cap b { display: block; font-size: 14.5px; color: var(--blue-d); }
.cert-card .cap span { display: block; font-size: 12px; color: var(--gray); margin-top: 3px; }
@media (max-width: 860px) {
  .cert-grid { gap: 10px; max-width: 560px; }
  .cert-card .cap { padding: 8px 6px; }
  .cert-card .cap b { font-size: 12px; }
  .cert-card .cap span { display: none; }
}

/* ===== 页脚 ===== */
.footer { background: var(--blue-d); color: #D7E4F2; padding: 36px 0 0; margin-top: 70px; }
.fnav { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px 30px; padding: 4px 0 26px; }
.fnav a { color: #D7E4F2; font-size: 14px; padding: 4px 2px; transition: .2s; white-space: nowrap; }
.fnav a:hover { color: #fff; }
@media (max-width: 560px) { .fnav { gap: 8px 18px; } .fnav a { font-size: 13px; } }
.footer .cols { display: grid; grid-template-columns: 1.1fr 0.7fr 1.9fr; gap: 40px; padding-bottom: 36px; }
.f-contact { white-space: pre-wrap; overflow-wrap: break-word; font-size: 12.5px; line-height: 1.95; color: #B9CCE1; }
.footer h4 { color: #fff; font-size: 16px; margin-bottom: 14px; }
.footer p, .footer li { font-size: 14px; color: #B9CCE1; }
.footer li { margin-bottom: 8px; }
.footer li a:hover { color: #fff; }
.footer .copy { border-top: 1px solid rgba(255,255,255,.14); padding: 18px 0; text-align: center; font-size: 13px; color: #8FA9C6; }

/* ===== 移动端 ===== */
@media (max-width: 1024px) {
  .grid-products { grid-template-columns: repeat(4, 1fr); }
  .app-grid { grid-template-columns: repeat(3, 1fr); }
  .gal { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 860px) {
  .nav {
    display: none; position: absolute; top: 72px; left: 0; right: 0;
    background: #fff; flex-direction: column; align-items: stretch;
    padding: 10px 16px 16px; box-shadow: 0 12px 24px rgba(0,0,0,.1); gap: 2px;
  }
  .nav.open { display: flex; }
  .nav a { padding: 12px 14px; }
  .nav-toggle { display: block; }
  .intro, .adv-grid, .contact-grid, .modal .m-body { grid-template-columns: 1fr; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .grid-products { grid-template-columns: repeat(3, 1fr); }
  .gal { grid-template-columns: repeat(2, 1fr); }
  .cul-grid { grid-template-columns: 1fr 1fr; }
  .footer .cols { grid-template-columns: 1fr; gap: 24px; }
  .f-contact { font-size: 12px; }
  .hero img.bg { height: 400px; object-position: right bottom; }
  .hero .cap h1 { font-size: 24px; }
  .hero.inner img.bg { height: 300px; object-position: right bottom; }
  .hero-btns { flex-direction: column; align-items: flex-start; gap: 10px; }
  .section { padding: 44px 0; }
}
@media (max-width: 560px) {
  .grid-products { grid-template-columns: repeat(2, 1fr); }
  .app-grid { grid-template-columns: repeat(2, 1fr); }
  .cul-grid { grid-template-columns: 1fr; }
  .modal .m-body { padding: 16px; }
  .logo .t { font-size: 15px; }
}

/* ===== 联系页：总部信息条 ===== */
.hq-bar {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px;
  background: var(--blue-l); border: 1px solid #D7E4F2; border-radius: 10px;
  padding: 20px 22px;
}
.hq-item b { display: block; font-size: 13px; color: var(--blue); margin-bottom: 4px; letter-spacing: 1px; }
.hq-item span { font-size: 15px; color: var(--ink); font-weight: 600; }
.hq-lead { text-align: center; margin-top: 22px; color: var(--blue-d); font-size: 16px; font-weight: 600; }
@media (max-width: 860px) { .hq-bar { grid-template-columns: 1fr; gap: 10px; padding: 16px; } }

/* ===== 联系页：部门联系人 ===== */
.person-hero {
  display: grid; grid-template-columns: 240px 1fr; gap: 24px; align-items: center;
  background: linear-gradient(135deg, var(--blue) 0%, var(--blue-d) 100%);
  color: #fff; border-radius: 12px; padding: 26px 30px;
}
.person-hero .tag { background: rgba(255,255,255,.18); color: #fff; font-size: 12.5px; padding: 3px 12px; border-radius: 12px; }
.person-hero h3 { font-size: 26px; margin-top: 10px; }
.person-hero .tel { font-size: 21px; font-weight: 700; letter-spacing: .5px; }
.person-hero .tel small { font-size: 13px; font-weight: 400; opacity: .85; }
.person-hero .mail { margin-top: 8px; font-size: 15px; opacity: .95; }
.person-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-top: 16px; }
.person-grid .p-card { cursor: default; padding: 20px; }
.person-grid .p-card:hover { transform: none; box-shadow: none; border-color: var(--line); }
.person-grid .p-card .tag { font-size: 12px; }
.person-grid .p-card h3 { font-size: 19px; color: var(--blue-d); margin: 8px 0 10px; }
.person-grid .p-card .tel { font-size: 16px; font-weight: 700; color: var(--ink); line-height: 1.5; }
.person-grid .p-card .wx { font-size: 12.5px; color: var(--gray); margin-top: 2px; }
.person-grid .p-card .mail { font-size: 13.5px; color: #4B5563; margin-top: 10px; border-top: 1px dashed var(--line); padding-top: 10px; }
@media (max-width: 1024px) { .person-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) {
  .person-grid { grid-template-columns: 1fr; }
  .person-hero { grid-template-columns: 1fr; padding: 20px; gap: 14px; }
  .person-hero h3 { margin-top: 8px; }
}

/* ===== 联系页：两列表单 ===== */
.form-2col { grid-template-columns: 1fr 1fr; }
.form-2col textarea, .form-2col button, .form-2col p { grid-column: 1 / -1; }
.form-2col button { justify-self: center; min-width: 220px; }
@media (max-width: 640px) { .form-2col { grid-template-columns: 1fr; } }

/* ===== 面包屑 ===== */
.crumb { font-size: 13px; color: var(--gray); margin-bottom: 26px; }
.crumb a { color: var(--gray); }
.crumb a:hover { color: var(--blue); }
.crumb b { color: var(--ink); font-weight: 600; }

/* ===== 产品详情页 ===== */
.pd { display: grid; grid-template-columns: 420px 1fr; gap: 34px; align-items: start; }
.pd .pd-pic { border: 1px solid var(--line); border-radius: 12px; overflow: hidden; position: sticky; top: 90px; }
.pd .pd-pic img { width: 100%; aspect-ratio: 4/3; object-fit: cover; display: block; }
.pd .pd-cas { background: var(--blue); color: #fff; padding: 10px 16px; font-size: 15px; font-weight: 600; letter-spacing: .5px; }
.pd .pd-side .pd-btns { margin-top: 16px; display: flex; flex-direction: column; gap: 10px; }
.pd h2.pd-name { font-size: 28px; color: var(--blue-d); line-height: 1.35; }
.pd .pd-en { color: var(--gray); font-size: 15px; margin: 4px 0 14px; }
.pd .pd-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 16px; }
.pd .pd-apps { background: var(--blue-l); border-left: 3px solid var(--blue); border-radius: 6px; padding: 12px 16px; font-size: 14.5px; color: var(--blue-d); margin-bottom: 18px; line-height: 1.8; }
.pd .pd-desc p { font-size: 15px; color: #374151; margin-bottom: 12px; text-align: justify; }
.pd table.specs { width: 100%; border-collapse: collapse; font-size: 14.5px; margin-bottom: 18px; }
.pd table.specs th, .pd table.specs td { border: 1px solid var(--line); padding: 9px 14px; text-align: left; }
.pd table.specs th { background: var(--bg); width: 132px; font-weight: 600; }
.rel-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px; }
.rel-grid .p-card .bd { padding: 10px 12px 12px; }
@media (max-width: 1024px) {
  .pd { grid-template-columns: 1fr; }
  .pd .pd-pic { position: static; max-width: 480px; }
  .pd .pd-side .pd-btns { flex-direction: row; flex-wrap: wrap; }
  .rel-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 560px) { .rel-grid { grid-template-columns: repeat(2, 1fr); } }

/* ===== 新闻详情页 ===== */
a.news-item { display: block; color: inherit; }
.article { max-width: 860px; margin: 0 auto; }
.article .a-meta { color: var(--gray); font-size: 13.5px; margin-bottom: 20px; }
.article .a-meta .cat { color: var(--blue); background: var(--blue-l); padding: 2px 10px; border-radius: 10px; margin-right: 10px; }
.article p { font-size: 15.5px; color: #374151; margin-bottom: 16px; text-align: justify; text-indent: 2em; line-height: 1.9; }