/* 合作与服务 / 关于拓界云 —— 新结构 .coop-* */
body{background:#fff}
.section-wrap{max-width:1200px;margin:0 auto;padding:0 24px}
.center-heading{text-align:center;margin-bottom:50px}
.center-heading .section-kicker{margin:0 0 10px}
.section-kicker{color:#2684ed;font:700 12px/1 system-ui,"PingFang SC","Microsoft YaHei",sans-serif;letter-spacing:2px}
.center-heading h2,.coop-company h2{font:700 34px/1.2 system-ui,"PingFang SC","Microsoft YaHei",sans-serif;color:#13223f;margin:0;letter-spacing:-.5px}

/* 1. Hero */
.coop-hero{height:420px;display:flex;align-items:center;background:
  linear-gradient(90deg,rgba(15,35,80,.62),rgba(15,35,80,.28)),
  url('assets/coop-hero.webp') center/cover no-repeat}
.coop-hero-inner{max-width:1200px;width:100%;margin:0 auto;padding:0 24px}
.coop-kicker{margin:0 0 14px;color:#bcd2ff;font:700 12px/1 system-ui,"PingFang SC","Microsoft YaHei",sans-serif;letter-spacing:3px}
.coop-hero h1{font:700 52px/1.2 "PingFang SC","Microsoft YaHei",sans-serif;color:#fff;margin:0 0 16px}
.coop-hero p{font-size:18px;color:rgba(255,255,255,.92);margin:0;max-width:680px}

/* 2. 公司简介 */
.coop-company{display:grid;grid-template-columns:1.05fr .95fr;gap:60px;align-items:center;padding:80px 24px}
.coop-company-copy p{font-size:15px;line-height:1.9;color:#555;margin:0 0 18px;text-align:justify}
.coop-company-visual{position:relative}
.coop-company-visual img{width:100%;border-radius:8px;display:block;box-shadow:0 18px 44px rgba(30,70,160,.18)}
.coop-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:36px;border-top:1px solid #eaeaea;padding-top:32px;text-align:center}
.coop-stats>div{padding:0 8px}
.coop-stats>div+div{border-left:1px solid #eaeaea}
.coop-stats strong{display:block;font:700 40px/1.1 system-ui,"PingFang SC","Microsoft YaHei",sans-serif;color:#2f6bff}
.coop-stats strong span{font-size:22px}
.coop-stats small{font-size:13px;color:#888}

/* 3. 客户评价 */
.coop-reviews{background:#fff;padding:80px 24px}
.review-grid{max-width:1200px;margin:0 auto;display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.review-card{background:#fff;border-radius:12px;overflow:hidden;box-shadow:0 6px 20px rgba(30,60,120,.06);display:flex;flex-direction:column}
.review-card header{background:linear-gradient(135deg,#3b82f6,#2f6bff);color:#fff;text-align:center;padding:28px 16px 56px;position:relative}
.review-card header h3{font-size:14px;font-weight:500;margin:0 0 8px;opacity:.92}
.review-card header strong{display:block;font-size:17px;font-weight:700}
.review-card header img{position:absolute;left:50%;bottom:-36px;transform:translateX(-50%);width:72px;height:72px;border-radius:50%;border:4px solid #fff;object-fit:cover;background:#fff;box-shadow:0 4px 12px rgba(20,50,110,.2)}
.review-card>p{font-size:14px;line-height:1.85;color:#555;margin:0;padding:54px 22px 28px;flex:1}

/* 4. 新闻动态 */
.coop-news{padding:80px 24px}
.news-layout{display:grid;grid-template-columns:.85fr 1.15fr;gap:56px;align-items:start}
.news-visual{display:grid;grid-template-columns:54px 1fr;align-items:stretch;max-width:520px}
.news-ribbon{border-radius:6px 0 0 6px;background:linear-gradient(180deg,#2f72ff,#20c7d7);color:#fff;writing-mode:vertical-rl;text-orientation:upright;letter-spacing:4px;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:14px;white-space:nowrap}
.news-visual img{width:100%;height:100%;object-fit:cover;display:block;border-radius:0 8px 8px 0;box-shadow:0 18px 44px rgba(30,70,160,.18)}
.news-list{display:flex;flex-direction:column}
.news-list article{display:grid;grid-template-columns:64px 1fr auto;gap:18px;align-items:start;padding:18px 0;border-bottom:1px solid #eee}
.news-list time{font-weight:700;color:#13223f;line-height:1.15}
.news-list time b{display:block;font-size:24px}
.news-list time span{font-size:13px;color:#999;font-weight:400}
.news-list h3{font-size:16px;margin:0 0 6px;color:#13223f;font-weight:600}
.news-list p{font-size:13px;color:#888;margin:0}
.news-list .more{color:#2f72ff;font-size:13px;text-decoration:none;white-space:nowrap;align-self:center}
.news-list .more:hover{text-decoration:underline}

/* toast / 浮动客服 */
.coop-toast{position:fixed;left:50%;bottom:30px;transform:translate(-50%,90px);padding:11px 18px;border-radius:10px;background:#182846;color:#fff;box-shadow:0 8px 20px rgba(15,29,55,.24);transition:transform .25s;z-index:60}
.coop-toast.is-visible{transform:translate(-50%,0)}

@media (max-width:1000px){
  .coop-company{grid-template-columns:1fr;gap:40px}
  .review-grid{grid-template-columns:1fr 1fr}
  .news-layout{grid-template-columns:1fr;gap:40px}
}
@media (max-width:560px){
  .coop-hero{height:300px}
  .coop-hero h1{font-size:34px}
  .review-grid{grid-template-columns:1fr}
  .coop-stats strong{font-size:30px}
  .news-list article{grid-template-columns:52px 1fr}
  .news-list .more{grid-column:2}
}