.cases-page{background:#f6f8fb;color:#183252}.cases-hero{padding:28px 0 0;background:#f6f8fb}.cases-hero-inner{min-height:286px;display:grid;grid-template-columns:1.25fr .75fr;gap:48px;align-items:center;padding:34px 44px;border:1px solid #e1e8f0;border-radius:28px;background:#f9fbfe}.cases-hero-copy>span{color:#176fd2;font-size:13px;font-weight:800;letter-spacing:.16em}.cases-hero-copy h1{margin:10px 0 0;color:#173b75;font-size:56px;line-height:1.08}.cases-hero-copy h2{margin:18px 0 0;color:#f58a23;font-size:24px;line-height:1.4}.cases-hero-copy p{margin:15px 0 0;color:#6a7a91;font-size:16px;line-height:1.8}.cases-hero-copy .crumb{margin-top:16px}.cases-hero-visual{height:210px;overflow:hidden;border:1px solid #cfdbE9;border-radius:22px}.cases-hero-visual img{width:100%;height:100%;object-fit:cover}
.case-overview,.case-category,.case-list,.more-cases{padding:46px 0 0}.prototype-head{margin:0 0 28px}.prototype-head h2{margin:0;color:#183252;font-size:40px}.prototype-head p{margin:10px 0 0;color:#6a7a91;font-size:17px}.case-proof-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.case-proof-grid>div{min-height:146px;padding:30px 24px;border:1px solid #dce5ef;border-radius:22px;background:#fff;box-shadow:0 10px 26px rgba(31,68,108,.05)}.case-proof-grid strong{display:block;color:#f58a23;font-size:34px}.case-proof-grid strong.navy{color:#173b75}.case-proof-grid span{display:block;margin-top:10px;color:#183252;font-size:17px;font-weight:800}
.case-filter-bar{display:flex;gap:14px;padding:22px 30px;overflow-x:auto;border:1px solid #dce5ef;border-radius:20px;background:#fff}.case-filter-bar .filter{min-width:140px;margin:0;border-color:#dce5ef;color:#173b75}.case-filter-bar .filter.active,.case-filter-bar .filter:hover{border-color:#f58a23;background:#f58a23;color:#fff}
.case-list{padding-bottom:20px}.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.case-card{overflow:hidden;border:1px solid #dce5ef;border-radius:24px;background:#fff;box-shadow:0 12px 30px rgba(31,68,108,.07);transition:.22s}.case-card:hover{transform:translateY(-3px);box-shadow:0 18px 38px rgba(31,68,108,.13)}.case-card>img{width:calc(100% - 42px);height:180px;display:block;margin:21px 21px 0;border-radius:18px;object-fit:cover}.case-card-body{padding:20px 22px 24px}.case-card-body>span{display:inline-flex;padding:6px 12px;border:1px solid #f0d1a3;border-radius:999px;background:#fff7ee;color:#f58a23;font-size:12px;font-weight:800}.case-card h3{margin:14px 0 8px;color:#183252;font-size:19px}.case-card p{min-height:46px;margin:0;color:#6a7a91;font-size:13px;line-height:1.7}.case-card a{display:inline-flex;margin-top:14px;color:#176ac3;font-size:13px;font-weight:800}.hidden-card{display:none!important}
.more-cases{padding-bottom:66px}.more-cases-panel{min-height:140px;display:flex;align-items:center;justify-content:space-between;gap:30px;padding:28px 34px;border:1px solid #dce5ef;border-radius:24px;background:#fff;box-shadow:0 12px 30px rgba(31,68,108,.06)}.more-cases-panel p{margin:0;color:#6a7a91;font-size:16px}.more-cases-panel a{min-height:44px;display:inline-flex;align-items:center;padding:0 22px;border-radius:999px;background:#f58a23;color:#fff;font-weight:800;white-space:nowrap}
@media(max-width:980px){.cases-hero-inner{grid-template-columns:1fr}.cases-hero-visual{display:none}.case-proof-grid,.case-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:620px){.cases-hero-inner{padding:28px 22px}.cases-hero-copy h1{font-size:43px}.prototype-head h2{font-size:32px}.prototype-head p{font-size:14px}.case-proof-grid{gap:12px}.case-proof-grid>div{min-height:120px;padding:23px 17px}.case-proof-grid strong{font-size:29px}.case-proof-grid span{font-size:14px}.case-grid{grid-template-columns:1fr}.more-cases-panel{align-items:flex-start;flex-direction:column}.more-cases-panel a{width:100%;justify-content:center}}@media(prefers-reduced-motion:reduce){.case-card{transition:none}}

/* Match the visual language used across the current Richeng site. */
.cases-page{background:#fff;color:#173452}.cases-hero{position:relative;overflow:hidden;padding:0;background:linear-gradient(135deg,#edf6ff,#fff 58%,#e9f4ff)}.cases-hero:before{position:absolute;inset:0;content:"";pointer-events:none;background:radial-gradient(circle at 85% 12%,rgba(45,134,232,.14),transparent 34%),linear-gradient(120deg,rgba(255,255,255,.65),transparent 58%)}.cases-hero-inner{position:relative;min-height:410px;gap:52px;padding:48px 0;border:0;border-radius:0;background:transparent}.cases-hero-copy>span{color:#176fd2}.cases-hero-copy h1{color:#0d3263;font-size:clamp(46px,4.2vw,68px)}.cases-hero-copy h2{color:#f58220;font-size:23px}.cases-hero-copy p{max-width:720px;color:#526a83}.cases-hero-visual{height:280px;border-color:rgba(191,215,239,.9);border-radius:24px;background:#fff;box-shadow:0 18px 46px rgba(21,72,124,.14)}
.case-overview{padding-top:64px;background:#fff}.case-category{padding-top:64px;background:linear-gradient(180deg,#f5f9fe,#fff)}.case-list{padding-top:64px;background:#fff}.more-cases{padding-top:58px;background:#f5f9fe}.prototype-head{text-align:center}.prototype-head:before{width:72px;height:1px;display:block;margin:0 auto 14px;content:"";background:linear-gradient(90deg,transparent,#267fe7,transparent)}.prototype-head h2{color:#0d3263;font-size:clamp(34px,3vw,46px)}.prototype-head p{color:#60758d;font-size:15px}
.case-proof-grid{gap:0;overflow:hidden;border:1px solid #dce7f2;border-radius:22px;background:#fff;box-shadow:0 13px 36px rgba(20,64,108,.07)}.case-proof-grid>div{min-height:132px;padding:29px 22px;border:0;border-right:1px solid #e2ebf4;border-radius:0;box-shadow:none;text-align:center}.case-proof-grid>div:last-child{border-right:0}.case-proof-grid strong,.case-proof-grid strong.navy{color:#1268ce;font-size:35px}.case-proof-grid span{color:#536b83;font-size:13px;font-weight:600}
.case-filter-bar{justify-content:center;border-color:#dce7f2;box-shadow:0 12px 32px rgba(20,64,108,.06)}.case-filter-bar .filter{border-color:#d8e5f2;color:#4d6680}.case-filter-bar .filter.active,.case-filter-bar .filter:hover{border-color:#1268ce;background:#1268ce;color:#fff;box-shadow:0 7px 16px rgba(18,104,206,.18)}
.case-card{border-color:#dce7f2;border-radius:22px;box-shadow:0 13px 36px rgba(20,64,108,.08)}.case-card:hover{border-color:#b9d5f1;box-shadow:0 20px 44px rgba(20,64,108,.14)}.case-card>img{width:100%;height:220px;margin:0;border-radius:0}.case-card-body{padding:24px 25px 27px}.case-card-body>span{border-color:#cfe3f8;background:#eaf4ff;color:#146ac8}.case-card h3{color:#0d3263;font-size:21px}.case-card p{color:#637990;font-size:14px}.case-card a{color:#1268ce;font-size:14px}
.more-cases-panel{border-color:#d6e4f2;background:linear-gradient(110deg,#fff,#edf6ff);box-shadow:0 16px 40px rgba(17,66,118,.1)}.more-cases-panel p{color:#526b84}.more-cases-panel a{background:linear-gradient(135deg,#176fd2,#0d4e9a);box-shadow:0 8px 18px rgba(18,104,206,.2)}
@media(max-width:980px){.cases-hero-inner{padding-right:28px;padding-left:28px}.case-proof-grid>div:nth-child(2){border-right:0}.case-proof-grid>div:nth-child(-n+2){border-bottom:1px solid #e2ebf4}}
@media(max-width:620px){.cases-hero-inner{min-height:360px;padding:36px 22px}.case-overview,.case-category,.case-list{padding-top:50px}.prototype-head:before{width:52px}.case-card>img{height:210px}}
.cases-slider-hero>.cases-hero-images{position:absolute;inset:0}.cases-hero-images img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center;opacity:0;transition:opacity .7s ease}.cases-hero-images img.active{opacity:1}.cases-slider-hero:after{z-index:1}.cases-slider-hero .container{z-index:2}.cases-slider-control{position:absolute;z-index:4;right:max(28px,calc((100% - 1540px)/2));bottom:24px;min-height:58px;display:flex;align-items:center;gap:12px;padding:8px 10px;border:1px solid rgba(255,255,255,.86);border-radius:999px;background:rgba(255,255,255,.91);box-shadow:0 12px 30px rgba(17,54,91,.16);backdrop-filter:blur(12px)}.cases-slider-control .hero-slider-arrow{width:42px;height:42px;display:grid;place-items:center;padding:0;border:0;border-radius:50%;background:#0b3d75;color:#fff;font-size:18px;cursor:pointer;transition:background .2s,transform .2s}.cases-slider-control .hero-slider-arrow:hover{background:#1268ce;transform:translateY(-1px)}.cases-slider-control .hero-slider-dots{display:flex;align-items:center;gap:8px}.cases-slider-control .hero-slider-dots button{width:26px;height:3px;padding:0;border:0;border-radius:5px;background:#acc7e3;cursor:pointer;transition:width .25s,background .25s}.cases-slider-control .hero-slider-dots button.active{width:42px;background:#f58220}.cases-slider-control .hero-slider-count{display:flex;align-items:baseline;gap:4px;color:#5d7186;font-size:12px;white-space:nowrap}.cases-slider-control .hero-slider-count strong{color:#123e6c;font-size:15px}
@media(max-width:680px){.cases-slider-control{right:12px;bottom:12px;min-height:48px;gap:7px;padding:5px 7px}.cases-slider-control .hero-slider-arrow{width:36px;height:36px}.cases-slider-control .hero-slider-dots{gap:5px}.cases-slider-control .hero-slider-dots button{width:14px}.cases-slider-control .hero-slider-dots button.active{width:25px}.cases-slider-control .hero-slider-count{font-size:10px}}
@media(prefers-reduced-motion:reduce){.cases-hero-images img{transition:none}}

@media(max-width:680px){
  body.cases-page .cases-slider-hero .hero-info-panel .crumb{
    width:fit-content!important;
    max-width:100%!important;
    min-height:30px!important;
    display:flex!important;
    align-items:center!important;
    flex-wrap:wrap!important;
    gap:3px!important;
    margin-top:0!important;
    padding:5px 11px!important;
    border:1px solid rgba(180,205,230,.72)!important;
    border-radius:8px!important;
    background:rgba(255,255,255,.9)!important;
    color:#173f68!important;
    font-size:14px!important;
    box-shadow:0 4px 12px rgba(18,67,116,.08)!important;
    backdrop-filter:none!important;
    -webkit-backdrop-filter:none!important;
  }
}
.prototype-head:before{width:auto;height:auto;display:inline-flex;align-items:center;justify-content:center;margin:0 auto 8px;padding:0 148px;background:linear-gradient(90deg,transparent,#267fe7) left center/130px 1px no-repeat,linear-gradient(90deg,#267fe7,transparent) right center/130px 1px no-repeat;color:#176fd2;font-size:13px;font-weight:800;letter-spacing:.16em;white-space:nowrap}.case-overview .prototype-head:before{content:"CASE OVERVIEW"}.case-category .prototype-head:before{content:"CASE CATEGORIES"}.case-list .prototype-head:before{content:"PROJECT CASES"}.more-cases .prototype-head:before{content:"MORE PROJECTS"}.prototype-head h2{margin-top:8px}
@media(max-width:620px){.prototype-head:before{padding-right:78px;padding-left:78px;background-size:62px 1px;font-size:11px}}
.case-overview{padding-top:72px;padding-bottom:10px;background:#f4f9ff}.case-overview .prototype-head{max-width:900px;margin:0 auto 34px;text-align:center}.case-overview .prototype-head:before{content:"PROJECTS";padding:0;background:none;color:#176fd2;font-size:13px;letter-spacing:.16em}.case-overview .prototype-head h2{font-size:0}.case-overview .prototype-head h2:before{content:"真实项目，是系统能力最好的证明。";color:#0d3263;font-size:clamp(36px,3.2vw,50px);font-weight:800;line-height:1.2}.case-overview .prototype-head p{font-size:0}.case-overview .prototype-head p:before{content:"精选代表性项目，以真实场景和可量化结果建立信任。";color:#60748a;font-size:16px;line-height:1.8}.case-overview .prototype-head:after{width:38px;height:3px;display:block;margin:22px auto 0;border-radius:4px;content:"";background:#f58220}.case-overview .case-proof-grid{margin-bottom:0}.case-overview .case-proof-grid strong{font-size:0}.case-overview .case-proof-grid>div:nth-child(1) strong:before{content:"30+"}.case-overview .case-proof-grid>div:nth-child(2) strong:before{content:"20+"}.case-overview .case-proof-grid>div:nth-child(3) strong:before{content:"6+国"}.case-overview .case-proof-grid>div:nth-child(4) strong:before{content:"20+年"}.case-overview .case-proof-grid strong:before{color:#1268c8;font-size:30px;font-weight:800;line-height:1.1}.case-overview .case-proof-grid>div{min-height:102px;padding:20px}.case-overview .case-proof-grid span{margin-top:7px;font-size:13px}
@media(max-width:620px){.case-overview{padding-top:54px}.case-overview .prototype-head h2:before{font-size:32px}.case-overview .prototype-head p:before{font-size:14px}.case-overview .case-proof-grid strong:before{font-size:27px}}
.case-category>.container>.prototype-head,.case-list>.container>.prototype-head{display:none}.case-category{padding-top:42px}.case-list{padding-top:34px}
.more-cases{display:none}.case-pagination{display:flex;align-items:center;justify-content:center;gap:9px;margin:36px 0 54px}.case-pagination button{min-width:42px;height:42px;padding:0 13px;border:1px solid #d1e1f1;border-radius:10px;background:#fff;color:#365570;font-size:14px;font-weight:750;cursor:pointer;transition:background .2s,border-color .2s,color .2s,box-shadow .2s}.case-pagination button:hover:not(:disabled),.case-pagination button.active{border-color:#1268ce;background:#1268ce;color:#fff;box-shadow:0 7px 17px rgba(18,104,206,.2)}.case-pagination button:disabled{cursor:not-allowed;opacity:.4}.case-pagination button:focus-visible{outline:3px solid rgba(18,104,206,.22);outline-offset:2px}.case-card.page-hidden{display:none!important}
@media(max-width:620px){.case-pagination{margin-top:28px}.case-pagination button{min-width:38px;height:38px;padding:0 10px}}
.case-overview{padding-top:34px}
@media(max-width:620px){.case-overview{padding-top:28px}}
.case-card>img{height:auto;aspect-ratio:3/2;object-fit:cover}.case-card-body{display:flex;min-height:200px;flex-direction:column}.case-card h3{margin-top:0}.case-card-meta{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-top:auto;padding-top:14px}.case-card-meta a{margin-top:0}.case-card-meta span{display:inline-flex;flex:0 0 auto;padding:6px 12px;border:1px solid #cfe3f8;border-radius:999px;background:#eaf4ff;color:#146ac8;font-size:12px;font-weight:800}
.case-card-image{display:block;margin:0!important}.case-card-image img{width:100%;height:auto;display:block;aspect-ratio:3/2;object-fit:cover}.case-card h3 a{margin:0;color:inherit;font-size:inherit}.case-server-pagination{margin:36px 0 54px}.case-detail-article header h2{margin:10px 0 12px;color:#0d3263;font-size:clamp(30px,3vw,44px)}
.case-overview .prototype-head h2{font-size:clamp(36px,3.2vw,50px)}.case-overview .prototype-head p{font-size:16px}.case-overview .prototype-head h2:before,.case-overview .prototype-head p:before,.case-overview .case-proof-grid strong:before{content:none!important}.case-overview .case-proof-grid strong,.case-overview .case-proof-grid strong.navy{font-size:30px}.case-list>.container>.prototype-head{display:block}
.case-filter-bar{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;overflow:visible}.case-filter-bar .filter{min-width:0;width:100%;box-sizing:border-box;justify-content:center;text-align:center}
.case-category{padding-top:34px;background:#fff}.case-filter-bar{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;padding:0;overflow:visible;border:0;border-radius:0;background:transparent;box-shadow:none}.case-filter-bar .filter{width:auto;min-width:0;margin:0;padding:10px 18px;border:1px solid #d8e5f2;border-radius:999px;background:#fff;color:#4d6680;font-size:13px;font-weight:700;text-align:center;box-shadow:none}.case-filter-bar .filter.active,.case-filter-bar .filter:hover{border-color:#1268ce;background:#1268ce;color:#fff;box-shadow:none}
.case-category{scroll-margin-top:84px}
@media(max-width:620px){.case-filter-bar{display:grid;grid-template-columns:1fr;gap:8px;padding:0}.case-filter-bar .filter{position:relative;width:100%;min-height:50px;display:flex;align-items:center;justify-content:flex-start;padding:0 42px 0 16px;border-radius:12px;font-size:15px;text-align:left}.case-filter-bar .filter:after{position:absolute;right:18px;top:50%;width:7px;height:7px;border-top:1.5px solid currentColor;border-right:1.5px solid currentColor;content:"";transform:translateY(-50%) rotate(45deg);opacity:.72}.case-filter-bar .filter.active{background:linear-gradient(135deg,#1268df,#2589f5);box-shadow:0 8px 18px rgba(18,104,206,.18)}}

@media(max-width:680px){
  body.cases-page .cases-column-hero{min-height:360px!important}
  body.cases-page .cases-column-hero>.container{min-height:360px!important;box-sizing:border-box;justify-content:flex-start!important;padding-top:24px!important;transform:none!important}
  body.cases-page .cases-column-hero small{font-size:13px!important;line-height:1.2!important}
  body.cases-page .cases-column-hero h1{margin-top:14px!important;font-size:44px!important;line-height:1.08!important}
  body.cases-page .cases-column-hero .column-hero-title{max-width:96%!important;margin:16px 0 10px!important;font-size:20px!important;font-weight:800!important;line-height:1.55!important}
  body.cases-page .cases-column-hero .hero-info-panel .crumb{width:fit-content!important;max-width:100%!important;min-height:30px!important;display:flex!important;align-items:center!important;flex-wrap:wrap!important;gap:3px!important;margin-top:0!important;padding:5px 11px!important;border:1px solid rgba(180,205,230,.72)!important;border-radius:8px!important;background:rgba(255,255,255,.9)!important;color:#173f68!important;font-size:14px!important;box-shadow:0 4px 12px rgba(18,67,116,.08)!important}
}

/* 工程案例卡片统一使用 4:3 图片区，并拉伸填满显示。 */
.case-card>img{height:auto!important;aspect-ratio:4/3!important;object-fit:fill!important}
.case-card-image{aspect-ratio:4/3;overflow:hidden}
.case-card-image img{width:100%;height:100%!important;aspect-ratio:auto!important;object-fit:fill!important}