/* FDE case cards — MINAS design system: square, hairlines, grayscale photos */
.fde-cases{margin-top:48px;scroll-margin-top:24px}
.fde-heading{display:flex;gap:20px;justify-content:space-between;align-items:end;margin-bottom:24px}
.fde-heading p{display:flex;align-items:center;gap:10px;font:500 11px/1.2 "Cascadia Mono","JetBrains Mono",Consolas,monospace;letter-spacing:.16em;color:#09090b;margin:0 0 14px}
.fde-heading p:before{content:"";width:7px;height:7px;background:#ff7100}
.fde-heading p:after{content:"";width:56px;height:1px;background:#d4d4d8}
.fde-heading p span{color:#80808a;font-weight:400}
.fde-heading h3{font-size:clamp(24px,2.3vw,32px);line-height:1.35;font-weight:400;margin:0;letter-spacing:-.045em;color:#09090b}
.fde-mk{background:linear-gradient(transparent 72%,#b6ff35 72%,#b6ff35 96%,transparent 96%)}
.fde-count{font:500 10px/1 "Cascadia Mono",Consolas,monospace;letter-spacing:.14em;color:#80808a;white-space:nowrap}
.fde-case-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.fde-case-card{display:flex;flex-direction:column;background:#fff;border:1px solid #e4e4e7;text-decoration:none;color:#18181b;transition:border-color .2s}
.fde-case-card:hover{border-color:#09090b;color:#18181b}
.fde-case-card:focus-visible{outline:2px solid #09090b;outline-offset:4px}
.fde-cover{position:relative;aspect-ratio:16/10;overflow:hidden;background:#f4f4f5;border-bottom:1px solid #09090b}
.fde-cover img{width:100%;height:100%;object-fit:cover;display:block;filter:grayscale(1) contrast(1.15);transition:transform .8s cubic-bezier(.2,.8,.2,1),filter .5s}
.fde-case-card:hover .fde-cover img{transform:scale(1.04);filter:grayscale(.2) contrast(1.05)}
.fde-tag{position:absolute;left:12px;top:12px;display:inline-flex;align-items:center;gap:6px;background:#09090b;color:#fff;font:500 11px/1 "Cascadia Mono",Consolas,"Microsoft YaHei UI",monospace;letter-spacing:.06em;padding:6px 9px}
.fde-tag:before{content:"";width:5px;height:5px;background:#ff7100}
.fde-body{display:flex;flex-direction:column;flex:1;padding:20px 22px 18px}
.fde-no{font:500 11px/1 "Cascadia Mono",Consolas,monospace;letter-spacing:.14em;color:#80808a;margin-bottom:12px}
.fde-case-card h4{text-wrap:balance;font-size:20px;line-height:1.5;font-weight:500;margin:0 0 10px;color:#09090b;letter-spacing:-.01em}
.fde-case-card p{font-size:14px;line-height:1.8;color:#52525b;margin:0 0 18px}
.fde-result{display:grid;grid-template-columns:1fr 1fr;border-top:1px solid #09090b;border-bottom:1px solid #e4e4e7;margin-top:auto}
.fde-result div{padding:12px 0 14px}
.fde-result div+div{padding-left:16px;border-left:1px solid #e4e4e7}
.fde-result span{display:block;font:500 10px/1.4 "Cascadia Mono",Consolas,"Microsoft YaHei UI",monospace;letter-spacing:.1em;color:#80808a}
.fde-result b{display:block;margin-top:6px;font-size:17px;font-weight:500;color:#09090b;font-variant-numeric:tabular-nums;letter-spacing:-.02em}
.fde-card-link{padding-top:14px;font-size:13px;display:flex;justify-content:space-between;align-items:center;color:#09090b}
.fde-card-link span{background:#b6ff35;padding:0 8px;box-shadow:inset 0 0 0 1px #09090b;transition:transform .3s}
.fde-case-card:hover .fde-card-link span{transform:translateX(3px)}
.fde-footnote{font:12px/1.7 "Cascadia Mono",Consolas,"Microsoft YaHei UI",monospace;letter-spacing:.02em;color:#80808a;margin:16px 0 0}
@media(max-width:1020px){.fde-result b{font-size:15px}}
@media(max-width:760px){.fde-case-grid{grid-template-columns:1fr}.fde-heading{display:block}.fde-count{display:block;margin-top:12px}}
@media(prefers-reduced-motion:reduce){.fde-case-card,.fde-cover img,.fde-card-link span{transition:none}}

/* 技术伙伴背书：有信云 AI+PaaS */
.fde-built{position:absolute;left:12px;bottom:12px;display:inline-flex;align-items:center;gap:7px;padding:6px 9px;background:#fff;border:1px solid #09090b;font:500 10.5px/1 "Cascadia Mono",Consolas,"Microsoft YaHei UI",monospace;letter-spacing:.06em;color:#09090b}
.fde-built:before{content:"";width:5px;height:5px;background:#b6ff35;box-shadow:0 0 0 1px #09090b;flex:none}
.fde-partner{margin-top:16px;display:grid;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:20px 28px;padding:18px 22px;border:1px solid #09090b;background:#fff}
.fde-partner-id{display:flex;flex-direction:column;gap:10px;padding-right:28px;border-right:1px solid #e4e4e7}
.fde-partner-k{display:flex;align-items:center;gap:8px;font:500 10px/1.2 "Cascadia Mono",Consolas,monospace;letter-spacing:.14em;color:#80808a}
.fde-partner-k:before{content:"";width:6px;height:6px;background:#ff7100}
.fde-partner-id img{align-self:flex-start;flex:none;height:30px;width:auto;max-width:100%;object-fit:contain;display:block;filter:brightness(0)}
.fde-partner p{margin:0;font-size:14px;line-height:1.75;color:#52525b}
.fde-partner p b{display:block;font-size:16px;font-weight:500;color:#09090b;margin-bottom:2px}
.fde-partner-link{white-space:nowrap;font-size:13px;color:#09090b;text-decoration:none;display:inline-flex;align-items:center;gap:8px}
.fde-partner-link span{background:#b6ff35;padding:0 8px;box-shadow:inset 0 0 0 1px #09090b;transition:transform .3s}
.fde-partner-link:hover span{transform:translateX(3px)}
@media(max-width:860px){.fde-partner{grid-template-columns:1fr;gap:14px}.fde-partner-id{padding-right:0;border-right:0;padding-bottom:14px;border-bottom:1px solid #e4e4e7}}