/* 环保治理业务：独立页面样式，沿用全站编辑式设计。 */
body.env-page { --env-muted: var(--ep-mute); --env-border: var(--ep-line); --env-tint: var(--ep-alt); --env-anchor-offset: calc(var(--header-h) + 24px); }
.env-page main { color: var(--ep-ink); }
body.env-page .env-head { padding-bottom: 0; }
body.env-page .ep-crumb { margin-bottom: 42px; }
.env-page .env-head .ep-lead { max-width: 58em; font-size: 16.5px; line-height: 1.95; }

/* 页内目录移除后，章节锚点仅避开全站导航。 */
.env-page .env-section { padding: 36px 0; scroll-margin-top: var(--env-anchor-offset); }
.env-page #scope { scroll-margin-top: var(--env-anchor-offset); }
.env-page .env-section-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 24px; margin-bottom: 28px; }
.env-page .env-section-head h2 { flex-shrink: 0; font-size: clamp(24px,2.6vw,32px); line-height: 1.25; font-weight: 600; letter-spacing: -.015em; }
.env-page #scope { border-top: 1px solid var(--env-border); }
/* 与纯化设备页统一章节留白、细线标题和浅灰分区。 */
.env-page :is(#capability,#scope) { padding: 36px 0; }
.env-page :is(#capability,#scope,#projects) .env-section-head { margin-bottom: 28px; padding-bottom: 16px; border-bottom: 1px solid var(--env-border); }
.env-page #scope { background: var(--env-tint); }
/* 对应导航的两组业务，各自展示三项，保留原有详情与深链接。 */
.env-page .env-scope-group + .env-scope-group { margin-top: 40px; }
.env-page .env-scope-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); align-items: start; gap: 20px; }
.env-page .env-service { position: relative; overflow: hidden; min-width: 0; padding: 26px 26px 0; background: #fff; border: 1px solid var(--ep-line-light); border-radius: 16px; box-shadow: 0 4px 14px rgba(9,36,66,.03); scroll-margin-top: var(--env-anchor-offset); transition: border-color .25s ease, box-shadow .25s ease; }
.env-page .env-service:hover, .env-page .env-service:focus-within { border-color: rgba(0,102,204,.28); box-shadow: var(--ep-shadow); }
.env-page .env-service h3 { font-size: 20px; line-height: 1.45; font-weight: 600; letter-spacing: -.015em; }
.env-page .env-service-desc { margin-top: 12px; color: var(--ep-body); font-size: 14px; line-height: 1.8; }
.env-page .env-service-route { margin-top: 20px; padding: 16px 0; border-top: 1px solid var(--ep-line-light); font-size: 13px; line-height: 1.8; }
.env-page .env-service-route dt { margin-bottom: 4px; color: var(--env-muted); font-size: 12px; }
.env-page .env-service-route dd { margin: 0; color: var(--ep-body); }
.env-page .env-tech-toggle { display: flex; align-items: center; justify-content: space-between; gap: 16px; width: 100%; min-height: 56px; border-top: 1px solid var(--ep-line-light); color: var(--ep-blue); font-size: 13px; text-align: left; transition: color .2s ease; }
.env-page .env-tech-toggle:hover { color: var(--ep-ink); }
.env-page .env-tech-chevron { width: 7px; height: 7px; margin-right: 5px; border-top: 1.5px solid currentColor; border-right: 1.5px solid currentColor; transform: rotate(-45deg); transition: transform .2s ease; }
.env-page .env-tech-toggle:hover .env-tech-chevron { transform: translateY(-2px) rotate(-45deg); }
.env-page .env-tech-source[hidden] { display: none; }

/* 工艺要点：展开缓起缓停，收起保持利落；高度随内容，毛玻璃底。 */
.env-page .env-tech-panel { position: absolute; right: 0; bottom: 0; left: 0; z-index: 2; height: auto; max-height: 100%; padding: 14px 18px 16px; overflow-y: auto; overscroll-behavior: contain; border-top: 1px solid rgba(255,255,255,.9); border-radius: 14px 14px 0 0; background: rgba(255,255,255,.58); -webkit-backdrop-filter: blur(26px) saturate(160%); backdrop-filter: blur(26px) saturate(160%); box-shadow: 0 -12px 30px rgba(9,36,66,.10); scrollbar-width: thin; scrollbar-color: rgba(9,36,66,.18) transparent; transform: translateY(100%); visibility: hidden; transition: transform .42s cubic-bezier(.4,0,.2,1), visibility 0s linear .42s; }
.env-page .env-service.is-open .env-tech-panel { transform: none; visibility: visible; transition: transform .43s cubic-bezier(.4,0,.2,1), visibility 0s linear 0s; }
.env-page .env-service > :not(.env-tech-panel):not(.env-tech-close) { transition: filter .35s ease, opacity .35s ease; }
.env-page .env-service.is-open > :not(.env-tech-panel):not(.env-tech-close) { filter: blur(4px); opacity: .45; }
.env-page .env-tech-panel::-webkit-scrollbar { width: 6px; }
.env-page .env-tech-panel::-webkit-scrollbar-thumb { background: rgba(9,36,66,.18); border-radius: 999px; }
.env-page .env-tech-detail > div { display: grid; grid-template-columns: 62px minmax(0,1fr); gap: 10px; padding: 7px 0; border-top: 1px solid rgba(9,36,66,.08); }
.env-page .env-tech-detail > div:first-child { padding-top: 0; border-top: 0; }
.env-page .env-tech-detail > div:first-child dd { padding-right: 30px; }
.env-page .env-tech-detail dt { color: var(--env-muted); font-size: 11px; line-height: 1.7; }
.env-page .env-tech-detail dd { color: var(--ep-body); font-size: 12px; line-height: 1.7; overflow-wrap: anywhere; }
.env-page .env-tech-close { position: absolute; top: 16px; right: 16px; z-index: 3; display: grid; place-items: center; width: 30px; height: 30px; border: 1px solid rgba(9,36,66,.08); border-radius: 50%; background: rgba(255,255,255,.72); -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px); color: var(--ep-mute); opacity: 0; visibility: hidden; transform: translateY(-4px); transition: opacity .2s ease, transform .25s ease, visibility 0s linear .2s; }
.env-page .env-service.is-open .env-tech-close { opacity: 1; visibility: visible; transform: none; transition: opacity .2s ease, transform .25s ease, visibility 0s linear 0s; }
.env-page .env-tech-close:hover { color: var(--ep-ink); background: #fff; }
.env-page .env-tech-close svg { width: 13px; height: 13px; }

/* 工程案例：图像、规模、治理对象与工艺分别呈现。 */
.env-page .env-projects { background: var(--env-tint); border-block: 1px solid var(--env-border); }
.env-page .env-project-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 28px; }
.env-page .env-project { min-width: 0; display: flex; flex-direction: column; }
.env-page .env-project-image { width: 100%; aspect-ratio: 3 / 2; background: #ecf0f4; border-radius: 4px; overflow: hidden; }
.env-page .env-project-image img { width: 100%; height: 100%; object-fit: cover; }
.env-page .env-project-image.is-equipment { background: #fff; }
.env-page .env-project-image.is-equipment img { object-fit: contain; padding: 14px; }
.env-page .env-project-scale { display: flex; flex-wrap: wrap; align-items: baseline; gap: 8px; margin-top: 22px; color: var(--ep-blue); }
.env-page .env-project-scale b { font-size: clamp(29px,3vw,38px); line-height: 1.2; font-weight: 600; font-variant-numeric: tabular-nums; letter-spacing: -.035em; }
.env-page .env-project-scale span { font-size: 13px; }
.env-page .env-project h3 { margin-top: 10px; font-size: 19px; line-height: 1.5; font-weight: 600; }
.env-page .env-project p { margin-top: 10px; font-size: 14px; line-height: 1.85; color: var(--ep-body); }

/* 证书画廊与核准范围双栏，与产品页的图文结构保持一致。 */
.env-page .env-capability-grid { display: grid; grid-template-columns: minmax(0,1.4fr) minmax(300px,.8fr); align-items: stretch; gap: 32px; }
.env-page .env-certificates { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); align-items: stretch; gap: 18px; }
.env-page .env-certificates .ap-cert-card { display: flex; flex-direction: column; height: 100%; min-width: 0; margin: 0; padding: 0; background: transparent; border: 0; border-radius: 0; box-shadow: none; cursor: zoom-in; }
.env-page .env-certificates .ap-cert-card:hover .ap-cert-frame { box-shadow: 0 0 0 2px rgba(0,102,204,.22); }
.env-page .env-certificates .ap-cert-frame { flex: none; height: auto; aspect-ratio: 1.48; padding: 0; border-radius: 4px; overflow: hidden; background: transparent; box-shadow: 0 0 0 1px rgba(9,36,66,.12); transition: box-shadow .25s ease; }
.env-page .env-certificates .ap-cert-frame img { display: block; width: 100%; height: 100%; max-width: none; max-height: none; object-fit: contain; border: 0; border-radius: 0; box-shadow: none; }
.env-page .env-certificates .ap-cert-card figcaption { flex: none; margin-top: 14px; color: var(--ep-ink); font-size: 14.5px; line-height: 1.4; font-weight: 600; }
.env-page .env-qualification { display: flex; flex-direction: column; justify-content: space-between; min-width: 0; }
.env-page .env-certificate-name { font-size: 18px; line-height: 1.45; font-weight: 600; }
.env-page .env-certificate-id { margin: 7px 0 12px; color: var(--env-muted); font-size: 12px; }
.env-page .env-qualification-list > div { padding: 7px 0; border-top: 1px solid var(--ep-line-light); font-size: 13px; line-height: 1.55; }
.env-page .env-qualification-list dt { display: flex; align-items: baseline; gap: 8px; font-weight: 700; }
.env-page .env-qualification-list dt span { flex: none; white-space: nowrap; color: var(--ep-blue); font-size: 12px; }
.env-page .env-qualification-list dd { margin: 3px 0 0; color: var(--ep-body); }
.env-page .env-inline-link { display: inline-flex; align-items: center; gap: 10px; margin-top: 14px; color: var(--ep-blue); font-size: 13px; }
.env-page main :is(a,summary,button):focus-visible { outline: 2px solid var(--ep-blue); outline-offset: 5px; border-radius: 2px; }
.env-page .env-tech-close:focus-visible { outline: 2px solid var(--ep-blue); outline-offset: 3px; }
.env-page .env-skip-link { position: fixed; top: 8px; left: 16px; z-index: 1200; padding: 8px 16px; background: #fff; color: var(--ep-blue); transform: translateY(-160%); }
.env-page .env-skip-link:focus { transform: none; }

@media (max-width: 1080px) {
  .env-page :is(#capability,#scope) { padding: 32px 0; }
  .env-page .env-scope-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .env-page .env-project-grid { gap: 22px; }
  .env-page .env-capability-grid { grid-template-columns: minmax(0,1.15fr) minmax(280px,.85fr); gap: 28px; }
  .env-page .env-certificates { gap: 12px; }
  .env-page .env-certificates .ap-cert-card { padding: 0; }
  .env-page .env-certificates .ap-cert-frame { height: auto; padding: 0; }
  .env-page .env-certificate-name { font-size: 18px; }
}
@media (max-width: 900px) {
  .env-page .env-head .ep-lead { font-size: 15px; }
  .env-page .env-capability-grid { grid-template-columns: 1fr; gap: 32px; }
  .env-page .env-certificates .ap-cert-frame { height: auto; padding: 0; }
  .env-page .env-certificates .ap-cert-card { padding: 0; }
  .env-page .env-service { padding: 22px 22px 0; }
  .env-page .env-certificate-name { font-size: 20px; line-height: 1.6; }
  .env-page .env-certificate-id { margin: 9px 0 18px; font-size: 13px; }
  .env-page .env-qualification-list > div { padding: 15px 0; font-size: 14px; line-height: 1.75; }
  .env-page .env-inline-link { margin-top: 18px; font-size: 14px; }
  .env-page .env-service h3 { font-size: 18px; }
  .env-page .env-project-grid { grid-template-columns: 1fr; gap: 32px; }
  .env-page .env-project { display: grid; grid-template-columns: minmax(0,.9fr) minmax(0,1.1fr); grid-template-rows: auto auto auto 1fr; column-gap: 26px; }
  .env-page .env-project-image { grid-row: 1 / 5; align-self: start; }
  .env-page .env-project-scale { margin-top: 0; }
}
@media (max-width: 640px) {
  .env-page .env-scope-group + .env-scope-group { margin-top: 32px; }
  .env-page .env-scope-grid { grid-template-columns: 1fr; gap: 16px; }
  .env-page .env-service h3 { font-size: 20px; }
}
@media (max-width: 640px) {
  .env-page { --env-anchor-offset: calc(var(--header-h) + 24px); }
  body.env-page .env-head { padding-bottom: 0; }
  body.env-page .ep-crumb { margin-bottom: 28px; }
  .env-page .env-head .ep-lead { margin-top: 20px; }
  .env-page .env-section { padding: 26px 0; }
  .env-page :is(#capability,#scope) { padding: 26px 0; }
  .env-page #scope { scroll-margin-top: var(--env-anchor-offset); }
  .env-page .env-section-head { flex-direction: column; align-items: flex-start; gap: 12px; margin-bottom: 24px; }
  .env-page :is(#capability,#scope,#projects) .env-section-head { margin-bottom: 26px; padding-bottom: 16px; }
  .env-page .env-service { padding: 24px 22px 0; }
  .env-page .env-service-route { margin-top: 16px; margin-bottom: 16px; }
  .env-page .env-tech-toggle { min-height: 49px; }
  .env-page .env-tech-panel { padding: 12px 14px 14px; }
  .env-page .env-tech-detail > div { grid-template-columns: 58px minmax(0,1fr); gap: 8px; padding: 6px 0; }
  .env-page .env-project { display: flex; }
  .env-page .env-project-image { align-self: auto; }
  .env-page .env-project-scale { margin-top: 18px; }
  .env-page .env-project-scale b { font-size: 34px; }
  .env-page .env-project-grid { gap: 36px; }
  .env-page .env-capability-grid { gap: 26px; }
  /* 手机上两张环保证书改为上下单列，与荣誉资质墙一致 */
  .env-page .env-certificates { grid-template-columns: minmax(0, 1fr); gap: 20px; }
  .env-page .env-certificates .ap-cert-card { padding: 0; border-radius: 0; }
  .env-page .env-certificates .ap-cert-frame { height: auto; padding: 0; }
  .env-page .env-qualification-list > div { padding: 12px 0; }
  .env-page .float-tools { right: 10px; bottom: 16px; }
  .env-page .float-btn { width: 40px; height: 40px; box-shadow: 0 3px 12px rgba(13,49,91,.12); }
}

/* 对齐智能制造页：导语下方的蓝色大字信息带，四项能力排列。
   常规屏两列；≥1200px 四项并排，保证标题与说明都不折行。 */
body.env-page .env-overview .ep-stats-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
body.env-page .env-overview .ep-stat { border-top: 0; padding-left: 0; }
body.env-page .env-overview .ep-stat:nth-child(even) { padding-left: 20px; border-left: 1px solid var(--ep-line); }
body.env-page .env-overview .ep-stat:nth-child(n+3) { border-top: 1px solid var(--ep-line); }
@media (min-width: 1200px) {
  body.env-page .env-overview .ep-stats-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  body.env-page .env-overview .ep-stat { border-top: 0; padding-left: 20px; }
  /* 四列并排时没有第二行，必须显式清掉第 3/4 项的“换行分隔线”，
     否则它会紧贴在信息带自身的 1px 顶线下，形成双线。 */
  body.env-page .env-overview .ep-stat:nth-child(n+3) { border-top: 0; }
  body.env-page .env-overview .ep-stat:first-child { border-left: 0; padding-left: 0; }
  body.env-page .env-overview .ep-stat + .ep-stat { border-left: 1px solid var(--ep-line); }
  body.env-page .env-overview .ep-stat:last-child { padding-right: 0; }
}
/* 窄屏保持 2×2：沿用上方两列的分隔线规则，仅在 320px 级超窄屏收紧字号 */
@media (max-width: 380px) {
  body.env-page .env-overview .ep-stat b { font-size: 18px; }
  body.env-page .env-overview .ep-stat { padding-top: 20px; padding-bottom: 18px; padding-right: 10px; }
  body.env-page .env-overview .ep-stat:nth-child(even) { padding-left: 14px; }
  body.env-page .env-overview .ep-stat:first-child { padding-left: 0; }
}