:root{--blue:#14569a;--blue2:#073d78;--green:#55ad38;--ink:#0d2238;--muted:#69798a;--line:#e7edf3;--bg:#f6f9fc;--white:#fff;--shadow:0 18px 50px rgba(10,49,88,.10)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,"PingFang SC","Microsoft YaHei",Arial,sans-serif;color:var(--ink);background:#fff;line-height:1.65}.container{width:min(1180px,calc(100% - 48px));margin:auto}.site-header{position:sticky;top:0;z-index:50;height:82px;background:rgba(255,255,255,.96);backdrop-filter:blur(14px);border-bottom:1px solid rgba(20,86,154,.08)}.nav-wrap{height:100%;display:flex;align-items:center;gap:26px}.brand{display:flex;align-items:center;text-decoration:none;color:var(--ink);min-width:310px}.brand img{width:56px;height:56px;object-fit:contain;margin-right:12px}.brand-text{display:flex;flex-direction:column;line-height:1.2}.brand-text strong{font-size:18px;letter-spacing:.02em}.brand-text 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/* Equipment & project marquee */
.showcase{padding:88px 0 74px;background:#fff;overflow:hidden;border-top:1px solid #edf2f6}
.showcase-head{display:flex;justify-content:space-between;align-items:flex-end;gap:40px;margin-bottom:34px}
.showcase-head h2{font-size:32px;line-height:1.28;margin:14px 0 10px;letter-spacing:-.02em}
.showcase-head p{margin:0;color:#718090;max-width:680px}
.showcase-legend{display:flex;gap:10px;flex-wrap:wrap;justify-content:flex-end;padding-bottom:4px}
.legend-chip{display:inline-flex;align-items:center;gap:7px;padding:8px 11px;border:1px solid #e1e9f0;background:#fff;font-size:10px;letter-spacing:.02em;color:#54677a;white-space:nowrap}
.legend-chip i{width:7px;height:7px;border-radius:50%;background:var(--blue)}
.legend-chip.ongoing i{background:var(--green)}
.legend-chip.completed i{background:#9a7a43}
.showcase-viewport{position:relative;width:100%;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;cursor:grab;scroll-behavior:auto;padding:0 max(24px,calc((100vw - 1180px)/2));user-select:none;touch-action:pan-y}
.showcase-viewport::-webkit-scrollbar{display:none}
.showcase-viewport.dragging{cursor:grabbing;scroll-behavior:auto}
.showcase-track{display:flex;gap:18px;width:max-content;padding:2px 0 10px}
.showcase-card{position:relative;width:370px;height:270px;flex:0 0 auto;overflow:hidden;background:#0b315a;box-shadow:0 12px 30px rgba(11,49,90,.12)}
.showcase-card.portrait{width:285px}
.showcase-card img{width:100%;height:100%;display:block;object-fit:cover;transition:transform .6s cubic-bezier(.2,.7,.2,1),filter .4s}
.showcase-card:hover img{transform:scale(1.045);filter:saturate(1.06)}
.card-shade{position:absolute;inset:0;background:linear-gradient(180deg,rgba(3,23,43,.02) 30%,rgba(3,23,43,.84) 100%)}
.card-copy{position:absolute;left:20px;right:20px;bottom:18px;color:#fff;z-index:2}
.card-tag{display:inline-flex;align-items:center;height:24px;padding:0 9px;background:rgba(10,70,125,.88);backdrop-filter:blur(8px);font-size:9px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;margin-bottom:9px}
.showcase-card[data-category="ongoing"] .card-tag{background:rgba(70,145,46,.9)}
.showcase-card[data-category="completed"] .card-tag{background:rgba(137,102,49,.9)}
.card-copy h3{font-size:18px;line-height:1.18;margin:0 0 5px;letter-spacing:-.01em}
.card-copy p{font-size:10px;line-height:1.35;color:rgba(255,255,255,.78);margin:0}
.showcase-nav{position:absolute;top:50%;transform:translateY(-50%);z-index:5;width:42px;height:58px;border:0;background:rgba(255,255,255,.92);color:var(--blue2);font-size:30px;line-height:1;box-shadow:0 8px 28px rgba(0,0,0,.12);cursor:pointer;transition:.2s}
.showcase-nav:hover{background:#fff;color:var(--green)}
.showcase-nav.prev{left:18px}.showcase-nav.next{right:18px}
.showcase-note{display:flex;align-items:center;justify-content:space-between;padding-top:14px;color:#8a98a6;font-size:9px;letter-spacing:.06em}
.showcase-note b{font-size:9px;color:var(--blue);letter-spacing:.16em}
@media(max-width:700px){.showcase{padding:64px 0 54px}.showcase-head{display:block;margin-bottom:26px}.showcase-head h2{font-size:26px}.showcase-legend{justify-content:flex-start;margin-top:18px}.showcase-viewport{padding:0 15px;touch-action:pan-x}.showcase-card,.showcase-card.portrait{width:78vw;max-width:330px;height:245px}.showcase-nav{display:none}.showcase-note{padding-top:11px}.showcase-note b{display:none}}