.q428{padding:clamp(24px,4vw,56px) 0;background:#f0f5f9;color:#102d50;isolation:isolate;scroll-margin-top:110px}.q428 *{box-sizing:border-box}.q428 .q428-inner{width:min(1160px,100% - 32px);margin-inline:auto}.q428 .q428-kicker{font-size:.9rem;font-weight:800;color:#94400e;letter-spacing:.06em;margin:0 0 8px}.q428 h2{font-size:clamp(1.55rem,3vw,2.25rem);line-height:1.4;margin:0 0 12px;color:#102d50}.q428 .q428-intro{max-width:54em;margin:0 0 24px;line-height:1.8}.q428 .q428-layout{display:grid;grid-template-columns:minmax(0,440px) minmax(0,1fr);gap:clamp(24px,4vw,48px);align-items:start}.q428 figure{margin:0;min-width:0}.q428 picture{display:block}.q428 img{display:block;width:100%;height:auto;aspect-ratio:4/5;border-radius:14px;box-shadow:0 10px 32px #102d501c}.q428 figcaption{font-size:.9rem;line-height:1.7;margin-top:12px;color:#40576b}.q428 .q428-actions{display:flex;flex-wrap:wrap;gap:10px;margin:16px 0}.q428 .q428-action{display:inline-flex;justify-content:center;align-items:center;min-height:48px;padding:11px 16px;border-radius:9px;background:#102d50;color:#fff;border:2px solid #102d50;text-decoration:none;font-weight:800;line-height:1.5;overflow-wrap:anywhere;font:inherit;font-weight:800;cursor:pointer}.q428 .q428-action.q428-outline{background:#fff;color:#102d50}.q428 .q428-action:hover{background:#224f78;color:#fff}.q428 a:focus-visible,.q428 summary:focus-visible,.q428 button:focus-visible{outline:3px solid #a3490c;outline-offset:4px}.q428 .q428-danger{border-left:5px solid #a34118;border-radius:8px;background:#ffdec2;padding:16px 18px;line-height:1.8;margin-bottom:20px}.q428 .q428-danger strong{display:block}.q428 details{background:#fff;border:1px solid #c6d5e2;border-radius:12px;padding:16px 20px}.q428 summary{cursor:pointer;min-height:44px;line-height:1.6;font-weight:800;font-size:1.1rem;list-style-position:outside;margin-left:18px}.q428 .q428-flow{padding-left:24px;margin:16px 0;line-height:1.85}.q428 .q428-flow>li+li{margin-top:14px}.q428 .q428-flow ul{padding-left:24px;margin-top:6px}.q428 .q428-flow strong{color:#102d50}.q428 .q428-note{font-size:.95rem;line-height:1.85;margin:12px 0;overflow-wrap:anywhere}.q428 .q428-contact{padding-top:8px}.q428 .q428-contact h3{font-size:1.2rem;color:#102d50;margin:16px 0 8px}.q428 .q428-contact p{line-height:1.85}.q428 .q428-state{font-size:.9rem;line-height:1.7;color:#40576b;min-height:1.7em}.q428 [hidden]{display:none!important}@media(max-width:760px){.q428 .q428-layout{grid-template-columns:minmax(0,1fr)}.q428 .q428-card{max-width:540px;margin-inline:auto;width:100%}.q428 .q428-actions .q428-action{flex:1 1 140px}.q428 .q428-inner{width:calc(100% - 24px)}.q428 details{padding:14px}.q428 .q428-flow{padding-left:20px}.q428 .q428-flow ul{padding-left:18px}}@media print{.q428 .q428-actions,.q428 .q428-state{display:none}.q428{break-inside:avoid;background:#fff}.q428 details{display:block}.q428 img{box-shadow:none}}

/* 隔離變頻器頁既有固定圖片高度，僅套用新圖卡。 */
section.q428 .q428-card picture img{height:auto;max-height:none;min-height:0;aspect-ratio:4/5;object-fit:contain;margin:0;border:0}.q73>section.q428{max-width:none;border:0;border-radius:0;box-shadow:none}@media(max-width:760px){.q73>section.q428{width:100vw;max-width:none;position:relative;left:50%;margin-left:-50vw;margin-right:0;padding-inline:0}}

/* 圖說不承接其他服務頁的深色背景與內距。 */
section.q428 .q428-card figcaption{background:transparent;color:#40576b;padding:0;border:0;box-shadow:none;border-radius:0;font-weight:400}