/* =========================================================================
   关于与合作 · 一屏（v1 · 2026-09-23）
   这一栏原本是浅底（.sec / .sec cream）+ 一块深墨绿的合作表单。
   一屏版沿用浅底（米白渐变），入口卡走浅底版；子屏沿用 supply37.css 的深底版式。
   通用块（.ss-entries/.ss-entry 定位、子屏 dl/table.certs-row）复用 css/supply37.css。
   ========================================================================= */

html.onepage,html.onepage body{overflow:hidden;height:100%}
html.onepage header.nav{position:fixed;top:0;left:0;right:0}

.ab{position:relative;height:100vh;min-height:0;overflow:hidden;
  background:linear-gradient(180deg,#F8FBF9 0%,#EFF4F1 58%,#EDEBE1 100%);
  color:#22302A;font-family:"PingFang SC","Microsoft YaHei",system-ui,sans-serif}
.ab-bg{position:absolute;inset:0;background:url("../assets/img/greenhouse_hd.png") center/cover no-repeat;
  opacity:.10;filter:saturate(.8) brightness(1.15)}
.ab:before{content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(180deg,rgba(248,251,249,.72),rgba(239,244,241,.66) 45%,rgba(237,235,225,.9))}

.ab-wrap{position:relative;z-index:2;display:grid;grid-template-columns:1.1fr .9fr;gap:38px;align-items:center;
  height:100%;padding:calc(var(--nav-h,76px) + 24px) 6vw 152px;box-sizing:border-box;max-width:1560px;margin:0 auto}

.ab-hero .en{font-family:var(--latin,Inter,sans-serif);font-size:11.5px;letter-spacing:.24em;color:#12805c}
.ab-hero h1{margin:13px 0 0;font-size:clamp(26px,3.3vw,44px);line-height:1.16;color:#182620;letter-spacing:.01em}
.ab-hero .lead{margin-top:16px;max-width:660px;font-size:15px;line-height:1.95;color:#4C5A53}
.ab-stats{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px 22px;margin-top:24px}
.ab-stats div{border-left:1px solid rgba(18,128,92,.34);padding-left:13px}
.ab-stats b{display:block;font-family:var(--latin,Inter,sans-serif);font-size:20px;color:#182620}
.ab-stats span{display:block;margin-top:5px;font-size:11.5px;line-height:1.55;color:#5C6A62}
.ab-stats .nb{display:inline;white-space:nowrap}

.ab-media{display:flex;flex-direction:column;gap:16px}
.ab-media figure{margin:0;position:relative;border-radius:16px;overflow:hidden;background:#fff;
  border:1px solid rgba(20,60,42,.12);box-shadow:0 16px 38px rgba(30,60,45,.12)}
.ab-media img{display:block;width:100%;height:clamp(150px,20vh,214px);object-fit:cover}
.ab-media figcaption{position:absolute;left:0;right:0;bottom:0;padding:9px 13px;font-size:11.5px;color:#3C4A43;
  background:linear-gradient(0deg,rgba(255,255,255,.94),rgba(255,255,255,.22))}

/* ---------- 入口卡：浅底版 ---------- */
.ab .ss-entries{width:min(88vw,1460px);bottom:44px}
.ab .ss-entry{background:rgba(255,255,255,.9);border-color:rgba(18,128,92,.22);box-shadow:0 14px 32px rgba(30,60,45,.12)}
.ab .ss-entry:hover{background:#fff;border-color:rgba(18,128,92,.6)}
.ab .ss-entry .k{color:#1C2A24}
.ab .ss-entry .k:after{color:#12805c}
.ab .ss-entry span.s{color:#6E7C74}
.ab .ss-entry.cta{background:rgba(205,232,107,.30);border-color:rgba(18,128,92,.55)}
.ab .ss-entry.cta .k:after{content:"→"}
.ab .pin-foot{position:absolute;left:0;right:0;bottom:8px;text-align:center;font-size:11px;color:#8A968F;
  letter-spacing:.08em;pointer-events:none;z-index:6}

/* ---------- 子屏里的深底小版式（面板是深墨绿 → 一律浅字） ---------- */
.ss-content .ab-bullets{list-style:none;margin:10px 0 0;padding:0}
.ss-content .ab-bullets li{position:relative;padding:11px 0 11px 24px;font-size:13.5px;color:#DCE9E0;
  line-height:1.85;border-bottom:1px dashed rgba(255,255,255,.16)}
.ss-content .ab-bullets li:last-child{border-bottom:0}
.ss-content .ab-bullets li:before{content:"";position:absolute;left:0;top:20px;width:7px;height:7px;border-radius:50%;
  background:#CDE86B}
.ss-content .ab-bullets b{color:#fff}
.ss-content .cert-pics{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:14px}
.ss-content .cert-pics figure{margin:0}
.ss-content .cert-pics img{width:100%;height:190px;object-fit:cover;border-radius:10px;background:#0d3a29}
.ss-content .cert-pics figcaption{font-size:11.5px;color:#8FBBA3;margin-top:7px}
.ss-content .todo{color:#F0C674}

/* ---------- 窄屏 ---------- */
@media (max-width:1180px){
  .ab-wrap{gap:26px;padding-left:5vw;padding-right:5vw}
  .ab .ss-entries{gap:9px;bottom:32px}
}
@media (max-width:980px){
  .ab-wrap{grid-template-columns:1fr;align-content:center;gap:20px;padding-bottom:184px}
  .ab-media{flex-direction:row}
  .ab-media figure{flex:1 1 0}
  .ab-media img{height:118px}
}
@media (max-width:820px){
  .ab .ss-entries{left:14px;right:14px;transform:none;width:auto;bottom:22px;flex-wrap:wrap;gap:8px}
  .ab .ss-entry{flex:1 1 calc(50% - 8px)}
  .ab-wrap{padding:calc(var(--nav-h,64px) + 16px) 18px 252px;align-content:start}
  .ab-hero h1{font-size:25px}
  .ab-hero .lead{font-size:13.5px;line-height:1.85}
  .ab-stats{gap:12px 14px;margin-top:18px}
  .ab-stats b{font-size:16px}
  .ab-media{display:none}
  .ab .pin-foot{display:none}
  .ss-content .cert-pics{grid-template-columns:1fr}
}

/* 合作咨询：从底部 5 个入口合并进 hero（2026-10-23） */
.ab-coop{display:inline-flex;align-items:center;gap:8px;margin-top:16px;padding:10px 20px;border-radius:999px;
  border:1px solid rgba(18,128,92,.55);background:rgba(205,232,107,.32);color:#0d3d2a;font-size:14px;font-weight:600;cursor:pointer}
.ab-coop:after{content:"→"}
.ab-coop:hover{background:rgba(205,232,107,.5)}
@media (max-height:700px){.ab-coop{margin-top:10px;padding:8px 16px;font-size:13px}}

/* 去掉底部 5 个入口后（2026-10-23）：底部留白收到与页眉对称，别再空一大块 */
@media (min-width:981px){.ab-wrap{padding-bottom:calc(var(--nav-h,76px) + 24px)}}
@media (max-width:980px){.ab-wrap{padding-bottom:44px}}
@media (max-width:820px){.ab-wrap{padding-bottom:38px}}

/* 入口删掉后把右侧两图放大，撑起一屏，避免下方空一大块 */
@media (min-width:981px){
  .ab-media img{height:clamp(168px,25vh,292px)}
  .ab-media{gap:18px}
}

/* 联系方式块（2026-10-23 取代合作咨询按钮） */
.ab-contact{margin-top:16px;display:flex;align-items:flex-start;gap:26px;flex-wrap:wrap}
.ab-cinfo{display:flex;flex-wrap:wrap;gap:8px 26px;align-items:baseline}
.ab-cinfo>div{display:flex;align-items:baseline;gap:8px}
.ab-cinfo span{font-size:11.5px;letter-spacing:.08em;color:#7C8A84}
.ab-cinfo b,.ab-cinfo a{font-size:14.5px;color:#16281f;font-weight:600;text-decoration:none}
.ab-cinfo a:hover{color:#12805c;text-decoration:underline}
.ab-qrs{display:flex;gap:14px}
.ab-qrs .qr{margin:0;text-align:center}
.ab-qrs .qr img,.ab-qrs .qr .qr-ph{display:block;width:112px;height:112px;border-radius:10px;background:#fff;object-fit:cover}
.ab-qrs .qr .qr-ph{display:flex;align-items:center;justify-content:center;border:1px dashed rgba(18,128,92,.45);
  color:#12805c;font-size:10px;line-height:1.35;text-align:center;background:rgba(255,255,255,.55)}
.ab-qrs figcaption{margin-top:6px;font-size:10.5px;color:#6D7C76;letter-spacing:.02em}
@media (max-height:700px){
  .ab-contact{margin-top:10px;gap:18px}
  .ab-qrs .qr img,.ab-qrs .qr .qr-ph{width:88px;height:88px}
  .ab-cinfo b,.ab-cinfo a{font-size:13px}
}
@media (max-width:820px){
  .ab-contact{gap:16px}
  .ab-qrs .qr img,.ab-qrs .qr .qr-ph{width:84px;height:84px}
}