:root{--primary-color:#195ec0;--secondary-color:#07c3eb;--cis-color:#214962;--text-color:#333;--cis-color-rgb:33,73,98;--bs-primary-rgb:25,94,192;--cis-light:#4191c3;--cis-light-rgb:65,145,195;--bs-border-color:#214962}.niche-section{background:linear-gradient(180deg,#f5faff,#e7f2ff)}.niche-container{position:relative;width:100%;z-index:1;margin:0 auto;max-width:1100px}@media (min-width:912px){.niche-container{max-width:740px}}.niche-wheel{position:relative;width:100%;aspect-ratio:1/1}.niche-svg{width:100%;height:100%;filter:drop-shadow(0 12px 40px rgba(20,60,130,.28));overflow:visible}.sector{transform-box:view-box;transform-origin:center;opacity:0;animation:sectorIn 1s cubic-bezier(.22,1,.36,1) forwards;transition:filter .4s ease,transform .5s cubic-bezier(.34,1.56,.64,1);cursor:pointer}.sector:first-of-type{animation-delay:.15s}.sector:nth-of-type(2){animation-delay:.35s}.sector:nth-of-type(3){animation-delay:.55s}@keyframes sectorIn{0%{opacity:0;transform:scale(.3) rotate(-12deg)}to{opacity:1;transform:scale(1) rotate(0)}}.niche-wheel:hover .sector{filter:brightness(.68) saturate(.75)}.niche-wheel .sector:hover{filter:brightness(1.12) saturate(1.15)!important}.content-layer{position:absolute;inset:0;pointer-events:none}.sector-content{position:absolute;width:36%;max-width:260px;text-align:center;transform:translate(-50%,-50%);opacity:0;animation:contentIn .6s ease forwards}.sector-content .inner{transition:transform .5s cubic-bezier(.34,1.56,.64,1)}.sector-content.top-left{top:36%;left:25%;animation-delay:.9s}.sector-content.top-right{top:37%;left:76.3%;animation-delay:1.05s}.sector-content.bottom{top:77%;left:50%;animation-delay:1.2s}@keyframes contentIn{0%{opacity:0;transform:translate(-50%,-40%)}to{opacity:1;transform:translate(-50%,-50%)}}.sector-content.active .inner{transform:scale(1.06)}.sector-icon{width:58px;height:58px;margin:0 auto 12px;display:block;transition:transform .5s cubic-bezier(.34,1.56,.64,1)}.sector-content.active .sector-icon{transform:rotate(-8deg) scale(1.18)}.sector-title{font-size:20px;font-weight:700;margin-bottom:10px;letter-spacing:.2px;line-height:1.2;text-shadow:0 2px 8px rgba(0,30,80,.25);color:#fff}.sector-list{list-style:none;font-size:13px;line-height:1.44;display:none}@media (min-width:1200px){.sector-list{display:block;padding-left:30px}}.sector-list li{list-style:disc;margin-bottom:5px;opacity:.96;text-shadow:0 1px 4px rgba(0,30,80,.2);color:#fff;text-align:start}.sector-list li:last-child{margin-bottom:0}.niche-core{position:absolute;top:50%;left:50%;width:15%;aspect-ratio:1/1;border-radius:50%;display:flex;justify-content:center;align-items:center;z-index:5;transform:translate(-50%,-50%) scale(0);animation:coreIn .8s cubic-bezier(.34,1.56,.64,1) 1.4s forwards,coreBreathe 3.5s ease-in-out 2.2s infinite;background:linear-gradient(135deg,rgba(180,210,240,.6),rgba(230,240,250,.9) 50%,rgba(180,210,240,.7)),linear-gradient(rgba(100,145,200,.28) 1px,transparent 0),linear-gradient(90deg,rgba(100,145,200,.28) 1px,transparent 0),radial-gradient(circle at 30% 30%,#f5faff 0,#d8e6f4 70%,#b8d0e8 100%);background-size:100% 100%,10px 10px,10px 10px,100% 100%;box-shadow:inset 0 0 20px rgba(30,80,160,.15),inset 0 0 0 2px hsla(0,0%,100%,.7),0 0 0 6px hsla(0,0%,100%,.5),0 0 0 12px rgba(140,180,230,.3),0 10px 35px rgba(20,60,130,.25)}@keyframes coreIn{0%{transform:translate(-50%,-50%) scale(0)}to{transform:translate(-50%,-50%) scale(1)}}@keyframes coreBreathe{0%,to{box-shadow:inset 0 0 20px rgba(30,80,160,.15),inset 0 0 0 2px hsla(0,0%,100%,.7),0 0 0 6px hsla(0,0%,100%,.5),0 0 0 12px rgba(140,180,230,.3),0 10px 35px rgba(20,60,130,.25)}50%{box-shadow:inset 0 0 20px rgba(30,80,160,.15),inset 0 0 0 2px hsla(0,0%,100%,.7),0 0 0 10px hsla(0,0%,100%,.35),0 0 0 20px rgba(140,180,230,.18),0 10px 40px rgba(20,60,130,.3)}}.niche-core-text{font-size:clamp(20px,3.2vw,20px);font-weight:700;color:var(--cis-color);letter-spacing:1px;text-shadow:0 1px 2px hsla(0,0%,100%,.8)}.niche-cards{display:none;flex-direction:column;gap:18px}.niche-card{background:linear-gradient(135deg,#2865b8,#1a4a95);border-radius:18px;padding:24px 22px;color:#fff;box-shadow:0 8px 24px rgba(20,60,130,.18);opacity:0;transform:translateY(20px);animation:cardIn .6s cubic-bezier(.22,1,.36,1) forwards;position:relative;overflow:hidden}.niche-card:before{content:"";position:absolute;top:-50%;right:-20%;width:200px;height:200px;background:radial-gradient(circle,hsla(0,0%,100%,.08) 0,transparent 70%);pointer-events:none}.niche-card:first-child{animation-delay:.1s}.niche-card:nth-child(2){animation-delay:.25s}.niche-card:nth-child(3){animation-delay:.4s}@keyframes cardIn{to{opacity:1;transform:translateY(0)}}.niche-card-header{display:flex;align-items:center;gap:14px;margin-bottom:16px;padding-bottom:14px;border-bottom:1px solid hsla(0,0%,100%,.2)}.niche-card-icon{width:40px;height:40px;flex-shrink:0}.niche-card-title{font-size:19px;font-weight:700;letter-spacing:.3px}.niche-card-title br{display:none}.niche-card-list{list-style:none;font-size:14.5px;line-height:1.6}.niche-card-list li{position:relative;padding-left:18px;margin-bottom:10px}.niche-card-list li:last-child{margin-bottom:0}.niche-card-list li:before{content:"";position:absolute;left:0;top:8px;width:6px;height:6px;border-radius:50%;background:#fff}.mobile-niche-badge{display:none;text-align:center;margin-bottom:24px}.mobile-niche-badge .badge{display:inline-block;padding:10px 28px;background:#fff;border-radius:999px;font-size:20px;font-weight:700;color:#1a3d7c;letter-spacing:3px;box-shadow:0 6px 20px rgba(20,60,130,.15)}@media (max-width:1199.98px){.niche-wheel{display:none}.niche-cards{display:flex}.mobile-niche-badge{display:block}}.niche-img{position:relative}.niche-img .bg-shape,.niche-img .circle-shape{display:none}.niche-img img{border-radius:5px;position:relative;z-index:2}@media (min-width:1200px){.niche-img{padding:0 50px 50px 0}.niche-img .circle-shape{display:block;position:absolute;width:400px;right:-20px;bottom:-50px;animation-name:rotate;animation-timing-function:linear;animation-duration:40s;animation-iteration-count:infinite}}@media (min-width:1400px){.niche-img{padding:10px 50px 50px 0}.niche-img .bg-shape{display:block;position:absolute;width:350px;top:-60px;left:-70px}.niche-img .circle-shape{position:absolute;width:400px;right:-20px;bottom:-50px}}@keyframes rotate{0%{transform:rotate(0)}to{transform:rotate(1turn)}}html[lang=zh-TW] .sector-content.bottom .inner .sector-icon{margin:0 0 10px;display:inline-block}html[lang=zh-TW] .sector-content.bottom .inner .sector-title{display:inline-block}html[lang=zh-TW] .sector-content.bottom .inner .sector-list{padding-left:38px}