/* ==========================================================================
   正坦科技 · 内页与扩展组件样式
   依赖 main.css 中的变量（--ink / --brand / --blue / --sage / --paper ...）
   设计原则：硬边直角、1px 细线、大字号、信息密度优先
   ========================================================================== */

/* ---------- 通用 ---------- */
.section--tight { padding: 56px 0; }
.section--line { border-top: 1px solid var(--line); }
.section--ink { background: var(--ink); color: var(--on-dark); }
.section--ink .h2, .section--ink .h3 { color: var(--on-dark); }

.u-mt-0 { margin-top: 0 !important; }
.u-mt-8 { margin-top: 8px; }
.u-mt-16 { margin-top: 16px; }
.u-mt-24 { margin-top: 24px; }
.u-mt-32 { margin-top: 32px; }
.u-mt-48 { margin-top: 48px; }
.u-mb-0 { margin-bottom: 0 !important; }
.u-mono { font-family: var(--mono); }
.u-nowrap { white-space: nowrap; }

/* ---------- 顶部服务条扩展 ---------- */
.utility__sep { color: #2F6A60; margin: 0 12px; }

/* ---------- 主导航：多级下拉（覆盖 main.css 的两列面板） ---------- */
.nav__panel--wide { min-width: 560px; }
.nav__panel--wide a { display: flex; flex-direction: column; gap: 3px; padding: 10px 12px; }
.nav__panel--wide a span { font-size: 11px; color: var(--muted); }
.nav__panel--wide .nav__panel-cols { display: grid; grid-template-columns: 1fr 1fr; }
.nav__link.is-active { color: var(--brand); }
.nav__link.is-active::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -31px; height: 2px;
  background: var(--brand);
}
.nav__item { position: relative; }

/* ---------- 公告条（横向滚动） ---------- */
.notice {
  background: var(--brand);
  color: var(--on-dark);
  height: 46px;
  display: flex;
  align-items: stretch;
  overflow: hidden;
}
.notice__label {
  flex: none;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 20px;
  background: var(--ink);
  font-size: 12px;
  letter-spacing: .12em;
}
.notice__label svg { width: 13px; height: 13px; }
.notice__viewport { position: relative; flex: 1; overflow: hidden; }
.notice__track {
  display: flex;
  align-items: center;
  height: 46px;
  width: max-content;
  animation: notice-scroll 46s linear infinite;
}
.notice:hover .notice__track { animation-play-state: paused; }
.notice__item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding-right: 56px;
  color: var(--on-dark);
  font-size: 12.5px;
  white-space: nowrap;
}
.notice__item i {
  font-style: normal;
  font-family: var(--mono);
  font-size: 10.5px;
  color: var(--on-dark-2);
}
.notice__item:hover { color: #fff; }
.notice__more {
  flex: none;
  display: flex;
  align-items: center;
  padding: 0 20px;
  border-left: 1px solid rgba(243, 241, 234, .16);
  font-size: 12px;
  color: var(--on-dark-2);
}
@keyframes notice-scroll {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}
@media (prefers-reduced-motion: reduce) {
  .notice__track { animation: none; }
}

/* ---------- 首页轮播 ---------- */
.carousel { position: relative; background: var(--ink); overflow: hidden; }
.carousel__track { position: relative; height: 620px; }
.carousel__slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  visibility: hidden;
  transition: opacity .7s var(--ease), visibility .7s;
  display: flex;
  align-items: center;
  background: var(--ink);
}
.carousel__slide.is-active { opacity: 1; visibility: visible; }
.carousel__bg { position: absolute; inset: 0; width: 100%; height: 100%; }
/* 首屏右侧实拍图：向左渐隐融入墨青底，底部压暗保证公告条可读 */
.carousel__media { position: absolute; top: 0; right: 0; bottom: 0; width: 48%; z-index: 1; overflow: hidden; }
.carousel__media img {
  width: 100%; height: 100%; object-fit: cover;
  filter: saturate(.9) contrast(1.04) brightness(1.1);
  -webkit-mask-image: linear-gradient(90deg, transparent 0%, #000 26%);
  mask-image: linear-gradient(90deg, transparent 0%, #000 26%);
}
.carousel__media::before {
  content: ""; position: absolute; inset: 0; z-index: 2;
  background: linear-gradient(90deg, #072B28 0%, rgba(7, 43, 40, .9) 10%, rgba(7, 43, 40, .52) 32%, rgba(7, 43, 40, .18) 58%, rgba(7, 43, 40, .04) 100%);
}
.carousel__media::after {
  content: ""; position: absolute; inset: 0; z-index: 3;
  background: linear-gradient(180deg, rgba(7, 43, 40, .42) 0%, rgba(7, 43, 40, 0) 24%, rgba(7, 43, 40, 0) 66%, rgba(7, 43, 40, .62) 100%);
}
.carousel__inner { position: relative; z-index: 2; width: 100%; }
.carousel__copy { max-width: 640px; padding: 40px 0; }
.carousel__eyebrow {
  font-size: 11.5px;
  letter-spacing: .22em;
  color: var(--on-dark-3);
  margin-bottom: 22px;
}
.carousel__title {
  font-size: 58px;
  line-height: 1.14;
  letter-spacing: -.01em;
  font-weight: 700;
  color: var(--on-dark);
  margin: 0 0 22px;
}
.carousel__title em { font-style: normal; color: var(--blue); }
.carousel__desc {
  font-size: 15px;
  line-height: 1.85;
  color: var(--on-dark-2);
  max-width: 600px;
  margin: 0 0 30px;
}
.carousel__actions { display: flex; gap: 14px; flex-wrap: wrap; }
.carousel__meta {
  margin-top: 34px;
  display: flex;
  gap: 40px;
  border-top: 1px solid rgba(30, 74, 68, .9);
  padding-top: 20px;
  max-width: 620px;
}
.carousel__meta div { display: flex; flex-direction: column; gap: 4px; }
.carousel__meta b { font-family: var(--mono); font-size: 20px; color: var(--on-dark); font-weight: 600; }
.carousel__meta span { font-size: 11px; color: var(--on-dark-2); letter-spacing: .06em; }

.carousel__nav { position: absolute; z-index: 4; bottom: 34px; right: 0; }
.carousel__dots { display: flex; align-items: center; gap: 10px; }
.carousel__dot {
  width: 34px; height: 2px; border: 0; padding: 0; cursor: pointer;
  background: rgba(243, 241, 234, .26);
  transition: background .3s;
}
.carousel__dot.is-active { background: var(--on-dark); }
.carousel__arrows { display: flex; gap: 1px; margin-top: 16px; justify-content: flex-end; }
.carousel__arrow {
  width: 42px; height: 42px; border: 1px solid rgba(243, 241, 234, .22);
  background: transparent; color: var(--on-dark); cursor: pointer;
  display: grid; place-items: center; transition: background .25s, border-color .25s;
}
.carousel__arrow:hover { background: rgba(243, 241, 234, .08); border-color: rgba(243, 241, 234, .5); }
.carousel__arrow svg { width: 15px; height: 15px; }

/* ---------- 内页页头 ---------- */
.pagehead {
  position: relative;
  background: var(--ink);
  color: var(--on-dark);
  padding: 96px 0 56px;
  overflow: hidden;
}
.pagehead__bg { position: absolute; inset: 0; width: 100%; height: 100%; }
.pagehead__inner { position: relative; z-index: 2; }
.crumb {
  display: flex; align-items: center; gap: 8px; flex-wrap: wrap;
  font-size: 11px; letter-spacing: .06em; color: var(--on-dark-2);
  margin-bottom: 26px;
}
.crumb a { color: var(--on-dark-2); }
.crumb a:hover { color: var(--on-dark); }
.crumb span[aria-current] { color: var(--on-dark); }
.pagehead__title {
  font-size: 46px; line-height: 1.2; font-weight: 700; letter-spacing: .01em;
  margin: 0 0 16px; color: var(--on-dark);
}
.pagehead__desc {
  font-size: 13.5px; line-height: 1.9; color: var(--on-dark-2);
  max-width: 720px; margin: 0;
}
.pagehead__meta {
  display: flex; gap: 48px; margin-top: 34px; flex-wrap: wrap;
}
.pagehead__meta div { display: flex; flex-direction: column; gap: 4px; }
.pagehead__meta b { font-family: var(--mono); font-size: 22px; font-weight: 600; color: var(--on-dark); }
.pagehead__meta span { font-size: 10.5px; letter-spacing: .1em; color: var(--on-dark-2); }
.pagehead--compact { padding: 64px 0 40px; }
.pagehead--compact .pagehead__title { font-size: 38px; }

/* ---------- 左栏子导航 + 内容 ---------- */
.layout {
  display: grid;
  grid-template-columns: 232px minmax(0, 1fr);
  gap: 72px;
  padding: 56px 0 96px;
  align-items: start;
}
.layout--wide { grid-template-columns: 264px minmax(0, 1fr); gap: 56px; }
.layout__side { position: sticky; top: 24px; }
.subnav { border-top: 2px solid var(--ink); }
.subnav__title {
  font-size: 12px; letter-spacing: .18em; color: var(--muted);
  padding: 16px 0 12px; margin: 0; font-weight: 400;
  border-bottom: 1px solid var(--line-2);
}
.subnav__item {
  display: flex; justify-content: space-between; align-items: center; gap: 8px;
  padding: 14px 12px 14px 0;
  border-bottom: 1px solid var(--line-2);
  font-size: 13.5px; color: var(--body);
  transition: color .2s, background .2s;
}
.subnav__item:hover { color: var(--brand); }
.subnav__item.is-active {
  color: var(--brand); font-weight: 600;
  padding-left: 14px; margin-left: -14px;
  border-left: 2px solid var(--brand);
}
.subnav__item small { font-family: var(--mono); font-size: 10.5px; color: var(--faint); }
.subnav__contact {
  margin-top: 28px; padding: 20px; background: var(--paper);
  border-left: 3px solid var(--brand);
}
.subnav__contact b { display: block; font-size: 13px; color: var(--ink); margin-bottom: 6px; }
.subnav__contact span { display: block; font-family: var(--mono); font-size: 14px; color: var(--brand); margin-bottom: 10px; }
.subnav__contact p { font-size: 11px; line-height: 1.7; color: var(--muted); margin: 0 0 12px; }

/* ---------- 正文排版 ---------- */
.prose { font-size: 14px; line-height: 2.05; color: var(--body); max-width: 72ch; }
.prose > * + * { margin-top: 20px; }
.prose h2 {
  font-size: 23px; line-height: 1.5; color: var(--ink); font-weight: 700;
  margin: 44px 0 0; padding-top: 24px; border-top: 1px solid var(--line-2);
}
.prose h3 { font-size: 17px; color: var(--ink); font-weight: 600; margin: 30px 0 0; }
.prose h4 { font-size: 14.5px; color: var(--ink); font-weight: 600; margin: 24px 0 0; }
.prose p { margin: 0; }
.prose ul, .prose ol { margin: 0; padding-left: 22px; }
.prose li + li { margin-top: 8px; }
.prose li::marker { color: var(--sage-text); }
.prose strong { color: var(--ink); font-weight: 600; }
.prose em { font-style: normal; background: linear-gradient(transparent 62%, rgba(125, 169, 140, .32) 62%); }
.prose a { color: var(--brand); border-bottom: 1px solid rgba(14, 90, 80, .3); }
.prose blockquote {
  margin: 28px 0; padding: 20px 24px; background: var(--paper);
  border-left: 3px solid var(--brand); color: var(--text); font-size: 14px; line-height: 1.9;
}
.prose blockquote p + p { margin-top: 10px; }
.prose figure { margin: 28px 0; }
.prose figure .ph { width: 100%; height: auto; aspect-ratio: 720 / 300; }
.prose figure figcaption {
  margin-top: 10px; font-size: 11px; color: var(--muted); letter-spacing: .02em;
}
.prose table, .dtable {
  width: 100%; border-collapse: collapse; margin: 24px 0;
  font-size: 12.5px; line-height: 1.7;
}
.prose table th, .dtable th {
  text-align: left; font-weight: 600; color: var(--ink);
  background: var(--paper-2); padding: 11px 14px;
  border-bottom: 1px solid var(--ink); border-top: 1px solid var(--ink);
  white-space: nowrap;
}
.prose table td, .dtable td {
  padding: 11px 14px; border-bottom: 1px solid var(--line-2); color: var(--body);
  vertical-align: top;
}
.prose table td.num, .dtable td.num { font-family: var(--mono); color: var(--ink); }
.prose code {
  font-family: var(--mono); font-size: 12px; background: var(--paper);
  padding: 2px 6px; color: var(--brand-2);
}
.prose hr { border: 0; border-top: 1px solid var(--line-2); margin: 36px 0; }

/* 侧栏卡片 */
.sidecards { display: flex; flex-direction: column; gap: 20px; position: sticky; top: 24px; }
.sidecard { border: 1px solid var(--line); padding: 22px; background: var(--card); }
.sidecard--ink { background: var(--ink); border-color: var(--ink); color: var(--on-dark); }
.sidecard--ink .sidecard__title { color: var(--on-dark); }
.sidecard--ink p { color: var(--on-dark-2); }
.sidecard__title { font-size: 13.5px; font-weight: 600; color: var(--ink); margin: 0 0 14px; letter-spacing: .04em; }
.sidecard p { font-size: 11.5px; line-height: 1.8; color: var(--muted); margin: 0 0 14px; }
.sidecard ul { list-style: none; margin: 0; padding: 0; }
.sidecard li { border-top: 1px solid var(--line-2); padding: 10px 0; font-size: 12px; }
.sidecard li:first-child { border-top: 0; padding-top: 0; }
.sidecard li a { color: var(--body); }
.sidecard li a:hover { color: var(--brand); }
.sidecard li span { display: block; font-size: 10.5px; color: var(--faint); margin-top: 3px; }

/* 文章头 */
.article-head { border-bottom: 1px solid var(--line); padding-bottom: 28px; margin-bottom: 36px; }
.article-head__tag { font-size: 11px; letter-spacing: .16em; color: var(--sage-text); }
.article-head__title { font-size: 34px; line-height: 1.34; color: var(--ink); margin: 14px 0 18px; font-weight: 700; }
.article-head__meta {
  display: flex; gap: 22px; flex-wrap: wrap; align-items: center;
  font-size: 11.5px; color: var(--muted);
}
.article-head__meta i { font-style: normal; color: var(--faint); }

/* 目录 */
.toc { border-left: 1px solid var(--line); padding-left: 16px; }
.toc__title { font-size: 10.5px; letter-spacing: .16em; color: var(--muted); margin: 0 0 12px; }
.toc a { display: block; font-size: 12px; line-height: 1.7; color: var(--muted); padding: 5px 0; }
.toc a:hover { color: var(--brand); }
.toc a.is-sub { padding-left: 12px; font-size: 11.5px; }

/* 提示块 */
.callout {
  border: 1px solid var(--line); border-left: 3px solid var(--blue);
  background: var(--card); padding: 18px 22px; margin: 26px 0;
}
.callout b { display: block; font-size: 12px; letter-spacing: .1em; color: var(--blue); margin-bottom: 8px; }
.callout p { font-size: 12.5px; line-height: 1.85; color: var(--body); margin: 0; }
.callout--warn { border-left-color: #B4671C; }
.callout--warn b { color: #9A5716; }

/* 数据小卡 */
.kpis { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.kpi { background: var(--card); padding: 22px 20px; }
.kpi b { display: block; font-family: var(--mono); font-size: 26px; font-weight: 600; color: var(--brand); line-height: 1.2; }
.kpi span { display: block; margin-top: 6px; font-size: 11px; color: var(--muted); letter-spacing: .04em; }

/* ---------- 业务矩阵（列表页） ---------- */
.bizlines { display: flex; flex-direction: column; gap: 1px; background: var(--line); border-top: 2px solid var(--ink); }
.bizline {
  background: var(--card); display: grid;
  grid-template-columns: 88px minmax(0, 1fr) 300px; gap: 32px;
  padding: 30px 0; align-items: start;
}
.bizline__no {
  font-family: var(--mono); font-size: 13px; color: var(--faint); padding-top: 4px;
}
.bizline__title { font-size: 22px; color: var(--ink); font-weight: 700; margin: 0 0 10px; }
.bizline__desc { font-size: 12.5px; line-height: 1.9; color: var(--body); margin: 0 0 16px; }
.bizline__list { display: flex; flex-wrap: wrap; gap: 8px; margin: 0; padding: 0; list-style: none; }
.bizline__list li {
  font-size: 11.5px; color: var(--brand-2); border: 1px solid var(--line);
  padding: 5px 10px; background: var(--paper-2);
}
.bizline__kpi { border-left: 1px solid var(--line-2); padding-left: 24px; display: flex; flex-direction: column; gap: 14px; }
.bizline__kpi div { display: flex; flex-direction: column; gap: 3px; }
.bizline__kpi b { font-family: var(--mono); font-size: 19px; color: var(--brand); font-weight: 600; }
.bizline__kpi span { font-size: 10.5px; color: var(--muted); }

/* 方案卡网格 */
.solutiongrid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.solution { background: var(--card); padding: 26px 24px; display: flex; flex-direction: column; min-height: 240px; }
.solution__no { font-family: var(--mono); font-size: 11px; color: var(--sage-text); letter-spacing: .08em; }
.solution__title { font-size: 16px; font-weight: 600; color: var(--ink); margin: 12px 0 10px; line-height: 1.5; }
.solution__desc { font-size: 11.5px; line-height: 1.85; color: var(--body); margin: 0 0 16px; flex: 1; }
.solution__tags { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 14px; }
.solution__tags span { font-size: 10px; color: var(--muted); border: 1px solid var(--line-2); padding: 3px 7px; }

/* ---------- 流程 ---------- */
.flow { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.flow__step { background: var(--card); padding: 24px 22px; position: relative; }
.flow__step::after {
  content: ""; position: absolute; right: -5px; top: 32px; width: 9px; height: 9px;
  border-top: 1px solid var(--line); border-right: 1px solid var(--line);
  transform: rotate(45deg); background: var(--card); z-index: 2;
}
.flow__step:last-child::after { display: none; }
.flow__no { font-family: var(--mono); font-size: 11px; color: var(--faint); }
.flow__title { font-size: 14.5px; font-weight: 600; color: var(--ink); margin: 10px 0 8px; }
.flow__desc { font-size: 11.5px; line-height: 1.8; color: var(--body); margin: 0; }

/* ---------- 优势（深色满版） ---------- */
.adv { background: var(--brand); color: var(--on-dark); padding: 76px 0; position: relative; overflow: hidden; }
.adv__bg { position: absolute; inset: 0; width: 100%; height: 100%; opacity: .5; }
.adv__inner { position: relative; z-index: 2; }
.adv .sec-head__title, .adv .h2 { color: var(--on-dark); }
.adv .eyebrow { color: var(--on-dark-2); }
.adv__grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1px; background: rgba(243, 241, 234, .16); margin-top: 48px; }
.adv__item { background: rgba(7, 43, 40, .18); padding: 32px 26px; }
.adv__icon { width: 46px; height: 46px; border: 1px solid rgba(243, 241, 234, .4); display: grid; place-items: center; margin-bottom: 20px; }
.adv__icon svg { width: 24px; height: 24px; stroke: var(--on-dark); fill: none; stroke-width: 1.3; }
.adv__title { font-size: 15.5px; font-weight: 600; margin: 0 0 10px; color: var(--on-dark); }
.adv__desc { font-size: 11.5px; line-height: 1.85; color: rgba(243, 241, 234, .72); margin: 0; }

/* ---------- 关于我们条 ---------- */
.aboutstrip { display: grid; grid-template-columns: 480px minmax(0, 1fr) 240px; gap: 48px; align-items: center; }
.aboutstrip__media { position: relative; aspect-ratio: 480 / 320; background: var(--paper); overflow: hidden; margin: 0; }
.aboutstrip__media svg { width: 100%; height: 100%; display: block; }
.aboutstrip__media .ph { transition: transform .9s var(--ease); }
.aboutstrip__media:hover .ph { transform: scale(1.03); }
.aboutstrip__media figcaption {
  position: absolute; left: 0; bottom: 0; right: 0;
  display: flex; justify-content: space-between; align-items: baseline; gap: 12px;
  padding: 14px 16px 12px;
  background: linear-gradient(0deg, rgba(7, 43, 40, .92), rgba(7, 43, 40, 0));
  color: #EAF1ED; font-size: 11px; letter-spacing: .04em;
  transform: translateY(0);
}
.aboutstrip__media figcaption i { font-style: normal; color: #9DBEB2; font-family: var(--mono); font-size: 9.5px; letter-spacing: .1em; }
.aboutstrip__body h2 { font-size: 30px; line-height: 1.35; color: var(--ink); margin: 0 0 8px; font-weight: 700; }
.aboutstrip__en { font-family: var(--mono); font-size: 10px; letter-spacing: .16em; color: var(--faint); margin-bottom: 20px; }
.aboutstrip__body p { font-size: 12.5px; line-height: 2; color: var(--body); margin: 0 0 18px; }
.aboutstrip__nav { display: flex; flex-direction: column; }
.aboutstrip__nav a {
  display: flex; justify-content: space-between; align-items: center;
  padding: 18px 20px; border: 1px solid var(--line); border-top: 0;
  font-size: 13px; color: var(--ink); background: var(--card);
  transition: background .2s, color .2s;
}
.aboutstrip__nav a:first-child { border-top: 1px solid var(--line); }
.aboutstrip__nav a:hover { background: var(--brand); color: var(--on-dark); }
.aboutstrip__nav a:hover svg { stroke: var(--on-dark); }
.aboutstrip__nav svg { width: 14px; height: 14px; stroke: var(--faint); fill: none; stroke-width: 1.4; }

/* ---------- 客户/伙伴墙 ---------- */
.logos { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.logos__grid {
  display: grid; grid-template-columns: repeat(6, minmax(0, 1fr));
  border-left: 1px solid var(--line);
}
.logos__item {
  border-right: 1px solid var(--line); border-bottom: 1px solid var(--line);
  min-height: 92px; display: grid; place-items: center; padding: 18px;
  font-size: 12px; letter-spacing: .06em; color: var(--muted);
  text-align: center; line-height: 1.5;
}
.logos__item b { display: block; font-size: 14px; color: var(--ink); font-weight: 600; letter-spacing: .04em; }
.logos__grid > :nth-last-child(-n+6) { border-bottom: 0; }

/* ---------- 新闻卡 ---------- */
.newscards { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
.newscard { background: var(--card); border: 1px solid var(--line); display: flex; flex-direction: column; transition: border-color .25s, transform .25s; }
.newscard:hover { border-color: var(--brand); transform: translateY(-2px); }
.newscard__media { aspect-ratio: 16 / 9; background: var(--paper); overflow: hidden; }
.newscard__media svg { width: 100%; height: 100%; display: block; }
.newscard__body { padding: 20px 22px 24px; display: flex; flex-direction: column; flex: 1; }
.newscard__meta { display: flex; justify-content: space-between; align-items: center; margin-bottom: 12px; }
.newscard__tag { font-size: 10px; letter-spacing: .1em; color: var(--sage-text); }
.newscard__date { font-family: var(--mono); font-size: 10.5px; color: var(--faint); }
.newscard__title { font-size: 15px; line-height: 1.6; font-weight: 600; color: var(--ink); margin: 0 0 10px; }
.newscard__desc { font-size: 11.5px; line-height: 1.85; color: var(--body); margin: 0; flex: 1;
  display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }

/* ---------- 列表（新闻/公告通用） ---------- */
.listrows { border-top: 2px solid var(--ink); }
.listrow {
  display: grid; grid-template-columns: 92px minmax(0, 1fr) 96px; gap: 24px;
  align-items: start; padding: 24px 0; border-bottom: 1px solid var(--line-2);
}
.listrow:hover .listrow__title { color: var(--brand); }
.listrow__date { font-family: var(--mono); font-size: 12px; color: var(--muted); padding-top: 2px; }
.listrow__title { font-size: 16px; font-weight: 600; color: var(--ink); margin: 0 0 8px; line-height: 1.55; transition: color .2s; }
.listrow__desc { font-size: 12px; line-height: 1.85; color: var(--body); margin: 0; }
.listrow__tag { font-size: 10.5px; color: var(--sage-text); letter-spacing: .08em; text-align: right; padding-top: 3px; }

/* 头条新闻 */
.leadnews { display: grid; grid-template-columns: 1.15fr 1fr; gap: 0; border: 1px solid var(--line); background: var(--card); }
.leadnews__media { position: relative; background: var(--paper); overflow: hidden; min-height: 220px; }
.leadnews__media svg { width: 100%; height: 100%; display: block; }
.leadnews__media .ph { position: absolute; inset: 0; width: 100%; height: 100%; }
.leadnews__body { padding: 38px 40px; display: flex; flex-direction: column; justify-content: center; }
.leadnews__tag { font-size: 10.5px; letter-spacing: .16em; color: var(--brand); margin-bottom: 14px; }
.leadnews__title { font-size: 26px; line-height: 1.45; font-weight: 700; color: var(--ink); margin: 0 0 16px; }
.leadnews__desc { font-size: 12.5px; line-height: 1.95; color: var(--body); margin: 0 0 22px; }

/* 分类 tab */
.tabbar { display: flex; gap: 1px; border-bottom: 1px solid var(--line); margin-bottom: 8px; }
.tabbar button {
  border: 0; background: transparent; cursor: pointer;
  padding: 14px 22px; font-size: 13px; color: var(--muted);
  border-bottom: 2px solid transparent; margin-bottom: -1px;
  font-family: inherit; transition: color .2s, border-color .2s;
}
.tabbar button:hover { color: var(--ink); }
.tabbar button.is-active { color: var(--brand); border-bottom-color: var(--brand); font-weight: 600; }

/* ---------- 分页 ---------- */
.pager { display: flex; align-items: center; justify-content: space-between; gap: 20px; margin-top: 40px; flex-wrap: wrap; }
.pager__info { font-size: 11.5px; color: var(--muted); }
.pager__nums { display: flex; gap: 4px; }
.pager__nums a, .pager__nums span {
  min-width: 36px; height: 36px; display: grid; place-items: center;
  border: 1px solid var(--line); font-family: var(--mono); font-size: 12px; color: var(--body);
  background: var(--card);
}
.pager__nums .is-current { background: var(--ink); border-color: var(--ink); color: var(--on-dark); }
.pager__nums a:hover { border-color: var(--brand); color: var(--brand); }

/* ---------- 时间轴 ---------- */
.timeline { position: relative; padding-left: 28px; }
.timeline::before { content: ""; position: absolute; left: 4px; top: 6px; bottom: 6px; width: 1px; background: var(--line); }
.tl-item { position: relative; padding-bottom: 30px; }
.tl-item::before {
  content: ""; position: absolute; left: -28px; top: 5px; width: 9px; height: 9px;
  background: var(--card); border: 1px solid var(--brand);
}
.tl-item:first-child::before { background: var(--brand); }
.tl-year { font-family: var(--mono); font-size: 12px; color: var(--brand); letter-spacing: .06em; margin-bottom: 6px; }
.tl-title { font-size: 14.5px; font-weight: 600; color: var(--ink); margin: 0 0 6px; }
.tl-desc { font-size: 12px; line-height: 1.85; color: var(--body); margin: 0; max-width: 66ch; }

/* ---------- 资质荣誉 ---------- */
.honors { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.honor { background: var(--card); padding: 26px 22px; display: flex; flex-direction: column; gap: 8px; }
.honor__seal { width: 40px; height: 40px; border: 1px solid var(--brand); display: grid; place-items: center; margin-bottom: 6px; }
.honor__seal svg { width: 20px; height: 20px; stroke: var(--brand); fill: none; stroke-width: 1.3; }
.honor b { font-size: 13px; color: var(--ink); font-weight: 600; line-height: 1.5; }
.honor span { font-size: 10.5px; color: var(--muted); line-height: 1.6; }

/* ---------- 团队 ---------- */
.teamgrid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 24px; }
.teammate { border: 1px solid var(--line); background: var(--card); padding: 20px 20px 22px; position: relative; }
.teammate__head { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 26px; }
.teammate__no {
  font-family: var(--mono); font-size: 34px; line-height: 1;
  color: var(--line); font-weight: 500; letter-spacing: -.02em;
}
.teammate__tag {
  font-size: 9.5px; letter-spacing: .1em; color: var(--sage-text);
  border: 1px solid var(--line); padding: 4px 8px; white-space: nowrap;
}
.teammate__name { font-size: 15px; font-weight: 600; color: var(--ink); }
.teammate__role { font-size: 11px; color: var(--sage-text); letter-spacing: .06em; margin-top: 5px; }
.teammate__desc { font-size: 11px; line-height: 1.8; color: var(--body); margin: 12px 0 0; padding-top: 12px; border-top: 1px solid var(--line-2); }

/* ---------- 表格型下载列表 ---------- */
.dlgroup { margin-bottom: 48px; }
.dlgroup__head { display: flex; align-items: baseline; justify-content: space-between; border-bottom: 2px solid var(--ink); padding-bottom: 12px; margin-bottom: 4px; }
.dlgroup__title { font-size: 17px; font-weight: 700; color: var(--ink); margin: 0; }
.dlgroup__count { font-family: var(--mono); font-size: 11px; color: var(--muted); }
.dlrow {
  display: grid; grid-template-columns: minmax(0, 1fr) 108px 96px 88px 96px;
  gap: 12px; align-items: center; padding: 15px 0; border-bottom: 1px solid var(--line-2);
  font-size: 12.5px;
}
.dlrow__name { color: var(--ink); font-weight: 500; }
.dlrow__name span { display: block; font-size: 10.5px; color: var(--faint); font-weight: 400; margin-top: 3px; }
.dlrow > *:not(.dlrow__name) { font-family: var(--mono); font-size: 11px; color: var(--muted); }
.dlrow__dl { text-align: right; }
.dlrow__dl a { color: var(--brand); border-bottom: 1px solid rgba(14, 90, 80, .3); }
.dlrow:hover { background: var(--paper-2); }

/* ---------- 常见问题 ---------- */
.faq { border-top: 1px solid var(--line); }
.faq details { border-bottom: 1px solid var(--line-2); }
.faq summary {
  cursor: pointer; list-style: none; padding: 20px 40px 20px 0; position: relative;
  font-size: 14px; color: var(--ink); font-weight: 500;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: ""; position: absolute; right: 6px; top: 50%; width: 9px; height: 9px;
  border-right: 1px solid var(--muted); border-bottom: 1px solid var(--muted);
  transform: translateY(-70%) rotate(45deg); transition: transform .25s;
}
.faq details[open] summary::after { transform: translateY(-30%) rotate(225deg); }
.faq__a { padding: 0 40px 22px 0; font-size: 12.5px; line-height: 1.95; color: var(--body); margin: 0; }

/* ---------- 表单页 ---------- */
.contactgrid { display: grid; grid-template-columns: minmax(0, 1.05fr) 380px; gap: 64px; align-items: start; }
.formrows { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.formrows .field--full { grid-column: 1 / -1; }
.field label { display: block; font-size: 11.5px; color: var(--muted); margin-bottom: 8px; letter-spacing: .04em; }
.field label i { font-style: normal; color: var(--blue); }
.field input, .field select, .field textarea {
  width: 100%; border: 1px solid var(--line); background: var(--card);
  padding: 12px 14px; font-size: 13px; color: var(--text); font-family: inherit;
  transition: border-color .2s; border-radius: 0;
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--brand);
}
.field textarea { min-height: 132px; resize: vertical; line-height: 1.8; }
.field--check { display: flex; align-items: flex-start; gap: 8px; font-size: 11px; color: var(--muted); line-height: 1.7; }
.field--check input { width: 14px; height: 14px; margin-top: 2px; flex: none; }

.infoTable { border-top: 2px solid var(--ink); }
.infoTable div { display: grid; grid-template-columns: 84px minmax(0, 1fr); gap: 16px; padding: 16px 0; border-bottom: 1px solid var(--line-2); }
.infoTable dt { font-size: 11.5px; color: var(--muted); }
.infoTable dd { margin: 0; font-size: 12.5px; color: var(--ink); line-height: 1.7; }
.infoTable dd b { font-family: var(--mono); font-weight: 600; }

.mapbox { border: 1px solid var(--line); background: var(--paper); aspect-ratio: 16 / 7; position: relative; overflow: hidden; }
.mapbox svg { width: 100%; height: 100%; display: block; }
.mapbox__pin {
  position: absolute; left: 53.3%; top: 45%; transform: translate(-50%, -100%);
  display: flex; flex-direction: column; align-items: center;
}
.mapbox__pin::after {
  content: ""; width: 1px; height: 12px; background: var(--brand); opacity: .55;
}
.mapbox__pin b { background: var(--ink); color: var(--on-dark); font-size: 11px; padding: 5px 10px; white-space: nowrap; letter-spacing: .02em; }
.mapbox__note { position: absolute; left: 16px; bottom: 12px; font-size: 10px; color: var(--muted); }

/* ---------- 招聘 ---------- */
.joblist { border-top: 2px solid var(--ink); }
.job {
  display: grid; grid-template-columns: minmax(0, 1fr) 120px 110px 90px;
  gap: 20px; align-items: center; padding: 24px 0; border-bottom: 1px solid var(--line-2);
}
.job__title { font-size: 15.5px; font-weight: 600; color: var(--ink); margin: 0 0 6px; }
.job__meta { font-size: 11px; color: var(--muted); display: flex; gap: 14px; flex-wrap: wrap; }
.job > div:nth-child(2), .job > div:nth-child(3) { font-size: 11.5px; color: var(--body); }
.job__apply { text-align: right; }

/* ---------- 搜索 ---------- */
.searchhero { background: var(--paper); border-bottom: 1px solid var(--line); padding: 40px 0; }
.searchbar { display: flex; gap: 0; max-width: 720px; }
.searchbar input {
  flex: 1; border: 1px solid var(--ink); border-right: 0; padding: 14px 18px;
  font-size: 14px; font-family: inherit; background: var(--card); color: var(--text);
}
.searchbar input:focus { outline: none; }
.searchbar button {
  border: 0; background: var(--ink); color: var(--on-dark); padding: 0 30px;
  font-size: 13.5px; font-family: inherit; cursor: pointer; letter-spacing: .06em;
}
.searchbar button:hover { background: var(--brand); }
.searchhint { font-size: 11.5px; color: var(--muted); margin-top: 14px; }
.searchhint a { color: var(--brand); margin-right: 12px; border-bottom: 1px solid rgba(14, 90, 80, .25); }

/* ---------- 提示条/状态 ---------- */
.empty { border: 1px dashed var(--line); padding: 48px 24px; text-align: center; color: var(--muted); font-size: 13px; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }

/* ---------- 页脚五列 / 抽屉链接 ---------- */
.footer__top--5 { grid-template-columns: 300px repeat(5, 1fr); gap: 32px; }
.footer__top--5 .footer__brand { padding-right: 8px; }
.mdrawer__link {
  display: block; padding: 15px 0; border-bottom: 1px solid var(--line-2);
  font-size: 15px; color: var(--text); letter-spacing: .02em;
}
.mdrawer__link:hover { color: var(--brand); }
.mdrawer__contact b { display: block; font-family: var(--mono); font-size: 19px; color: var(--brand); margin: 4px 0 0; }

/* ---------- 案例盒（首页/列表通用） ---------- */
.casegrid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
.casebox { border: 1px solid var(--line); background: var(--card); display: flex; flex-direction: column; transition: border-color .25s; }
.casebox:hover { border-color: var(--brand); }
.casebox__media { aspect-ratio: 384 / 216; background: var(--paper); overflow: hidden; }
.casebox__media svg { width: 100%; height: 100%; display: block; }
.casebox__body { padding: 20px 22px 22px; }
.casebox__ind { font-size: 10px; letter-spacing: .14em; color: var(--sage-text); }
.casebox__title { font-size: 16px; font-weight: 600; color: var(--ink); margin: 10px 0 4px; line-height: 1.5; }
.casebox__desc { font-size: 11.5px; line-height: 1.8; color: var(--body); margin: 8px 0 0; }
.casebox__metric { display: flex; align-items: flex-end; gap: 10px; margin-top: 14px; }
.casebox__metric b { font-family: var(--mono); font-size: 30px; font-weight: 600; color: var(--brand); line-height: 1; }
.casebox__metric span { font-size: 10.5px; color: var(--muted); padding-bottom: 3px; }
.casebox__foot { margin-top: 14px; padding-top: 13px; border-top: 1px solid var(--line-2); font-size: 10.5px; color: var(--muted); display: flex; justify-content: space-between; gap: 10px; }

/* 深色底列表 */
.listrows--dark { border-top-color: var(--on-dark); }
.listrows--dark .listrow { border-bottom-color: var(--line-dark); }
.listrows--dark .listrow__date { color: var(--on-dark-3); }
.listrows--dark .listrow__title { color: var(--on-dark); }
.listrows--dark .listrow__desc { color: var(--on-dark-2); }
.listrows--dark .listrow:hover .listrow__title { color: #fff; }
.listrows--dark .listrow__tag { color: var(--on-dark-3); }

/* ---------- 城市网络 ---------- */
.citygrid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.citycell { background: var(--card); padding: 24px 22px; }
.citycell b { display: block; font-size: 17px; color: var(--ink); font-weight: 600; letter-spacing: .04em; }
.citycell span { display: block; font-size: 11px; color: var(--body); margin-top: 8px; line-height: 1.7; }
.citycell em { display: block; font-style: normal; font-size: 10.5px; color: var(--sage-text); margin-top: 8px; }
.sla {
  display: flex; justify-content: space-between; gap: 28px; flex-wrap: wrap;
  margin-top: 1px; padding: 20px 26px; background: var(--ink); color: var(--on-dark);
}
.sla b { font-family: var(--mono); color: var(--on-dark); font-weight: 600; }
.sla span { font-size: 11px; color: var(--on-dark-2); letter-spacing: .04em; }

/* ---------- 响应式 ---------- */
@media (max-width: 1200px) {
  .footer__top--5 { grid-template-columns: 280px repeat(5, 1fr); gap: 22px; }
  .carousel__title { font-size: 46px; }
  .layout, .layout--wide { grid-template-columns: 200px minmax(0, 1fr); gap: 40px; }
  .aboutstrip { grid-template-columns: 380px minmax(0, 1fr); }
  .aboutstrip__nav { display: none; }
  .contactgrid { grid-template-columns: minmax(0, 1fr) 320px; gap: 40px; }
}

@media (max-width: 960px) {
  .footer__top--5 { grid-template-columns: 1fr 1fr; gap: 32px; }
  .footer__top--5 .footer__brand { grid-column: 1 / -1; }
  .carousel__track { height: 560px; }
  .carousel__title { font-size: 38px; }
  .carousel__meta { display: none; }
  .pagehead { padding: 72px 0 44px; }
  .pagehead__title { font-size: 34px; }
  .layout, .layout--wide { grid-template-columns: 1fr; gap: 32px; padding: 36px 0 64px; }
  .layout__side { position: static; }
  .sidecards { position: static; }
  .subnav { display: flex; flex-wrap: wrap; border-top: 0; gap: 6px; }
  .subnav__title { display: none; }
  .subnav__item { border: 1px solid var(--line); padding: 8px 14px; width: auto; }
  .subnav__item.is-active { margin-left: 0; padding-left: 14px; border-left: 1px solid var(--brand); background: var(--paper); }
  .subnav__contact { display: none; }
  .bizline { grid-template-columns: 1fr; gap: 14px; padding: 24px 0; }
  .bizline__kpi { border-left: 0; border-top: 1px solid var(--line-2); padding: 16px 0 0; flex-direction: row; gap: 32px; }
  .solutiongrid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .flow { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .flow__step:nth-child(2)::after { display: none; }
  .adv__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .aboutstrip { grid-template-columns: 1fr; gap: 28px; }
  .logos__grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .logos__grid > :nth-last-child(-n+6) { border-bottom: 1px solid var(--line); }
  .logos__grid > :nth-last-child(-n+3) { border-bottom: 0; }
  .newscards, .casegrid { grid-template-columns: 1fr 1fr; }
  .leadnews { grid-template-columns: 1fr; }
  .leadnews__body { padding: 26px 24px 30px; }
  .kpis { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .honors { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .teamgrid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .contactgrid { grid-template-columns: 1fr; gap: 36px; }
  .listrow { grid-template-columns: 74px minmax(0, 1fr); gap: 16px; }
  .listrow__tag { display: none; }
  .dlrow { grid-template-columns: minmax(0, 1fr) 88px; }
  .dlrow > :nth-child(2), .dlrow > :nth-child(3), .dlrow > :nth-child(4) { display: none; }
  .job { grid-template-columns: minmax(0, 1fr) 100px; }
  .job > :nth-child(2), .job > :nth-child(3) { display: none; }
  .nav__panel--wide { display: none; }
}

@media (max-width: 1200px) {
  .carousel__media { width: 52%; }
  .carousel__media::before {
    background: linear-gradient(90deg, #072B28 0%, rgba(7, 43, 40, .95) 22%, rgba(7, 43, 40, .68) 56%, rgba(7, 43, 40, .3) 100%);
  }
}

@media (max-width: 960px) {
  .carousel__media { width: 100%; }
  .carousel__media::before {
    background: linear-gradient(90deg, rgba(7, 43, 40, .96) 0%, rgba(7, 43, 40, .84) 40%, rgba(7, 43, 40, .5) 100%);
  }
  .carousel__media img { filter: saturate(.7) contrast(1) brightness(.95); }
}

@media (max-width: 640px) {
  .carousel__media::before {
    background: linear-gradient(180deg, rgba(7, 43, 40, .96) 0%, rgba(7, 43, 40, .9) 52%, rgba(7, 43, 40, .62) 100%);
  }
  .carousel__media img { filter: saturate(.55) brightness(.86); }
}

@media (max-width: 640px) {
  .carousel__track { height: 520px; }
  .carousel__title { font-size: 30px; }
  .carousel__desc { font-size: 13px; }
  .carousel__nav { bottom: 20px; left: 0; right: 0; }
  .carousel__dots { justify-content: flex-start; }
  .carousel__arrows { display: none; }
  .notice { height: 42px; }
  .notice__track { height: 42px; }
  .notice__label { padding: 0 14px; font-size: 11px; }
  .notice__item { font-size: 11.5px; padding-right: 36px; }
  .notice__more { display: none; }
  .pagehead__meta { gap: 28px; }
  .pagehead__meta b { font-size: 18px; }
  .solutiongrid, .flow, .adv__grid, .honors, .teamgrid, .newscards, .casegrid { grid-template-columns: 1fr; }
  .flow__step::after { display: none; }
  .formrows { grid-template-columns: 1fr; }
  .article-head__title { font-size: 24px; }
  .prose { font-size: 13.5px; }
  .prose h2 { font-size: 19px; }
  .pagehead--compact .pagehead__title { font-size: 28px; }
}

/* ---------- 单一配图（关于页简介右侧） ---------- */
.aboutsolo { position: relative; margin: 0; border: 1px solid var(--line); overflow: hidden; aspect-ratio: 360 / 240; background: var(--paper); }
.aboutsolo .ph { transition: transform .9s var(--ease); }
.aboutsolo:hover .ph { transform: scale(1.03); }
.aboutsolo figcaption {
  position: absolute; left: 0; right: 0; bottom: 0; padding: 22px 14px 11px;
  background: linear-gradient(0deg, rgba(7, 43, 40, .9), rgba(7, 43, 40, 0));
  font-size: 10.5px; color: #CFE2DC; letter-spacing: .04em;
}

/* ---------- 业务线页头横幅 ---------- */
.bizbanner {
  position: relative; margin: 0 0 4px; aspect-ratio: 660 / 250;
  overflow: hidden; background: var(--paper); border: 1px solid var(--line);
}
.bizbanner .ph { transition: transform 1.1s var(--ease); }
.bizbanner:hover .ph { transform: scale(1.035); }
.bizbanner figcaption {
  position: absolute; left: 0; right: 0; bottom: 0; padding: 26px 16px 12px;
  background: linear-gradient(0deg, rgba(7, 43, 40, .92), rgba(7, 43, 40, 0));
  font-size: 10.5px; color: #CFE2DC; letter-spacing: .04em;
}

/* ---------- 搜索结果空状态推荐 ---------- */
.searchempty { display: grid; grid-template-columns: minmax(0,1fr) minmax(0,1fr); gap: 0 48px; margin-top: 36px; }
.searchempty__title { font-size: 10.5px; letter-spacing: .14em; color: var(--sage-text); margin: 0 0 12px; }
.hotrow {
  display: grid; grid-template-columns: 74px minmax(0,1fr) auto; gap: 10px; align-items: baseline;
  padding: 12px 0; border-bottom: 1px solid var(--line-2); transition: background .2s var(--ease);
}
.hotrow:hover { background: var(--paper-2); }
.hotrow__cat { font-size: 10.5px; color: var(--sage-text); letter-spacing: .04em; }
.hotrow b { font-size: 12.5px; font-weight: 500; color: var(--ink); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.hotrow em { font-style: normal; font-family: var(--mono); font-size: 10.5px; color: var(--faint); }
@media (max-width: 900px) { .searchempty { grid-template-columns: 1fr; gap: 28px; } }