.why-root{color:#374151;padding:var(--section-pad-y)16px;background:#fafafa}.why-wrap{text-align:center;max-width:1160px;margin:0 auto}.why-eyebrow{color:var(--sec-eyebrow-color);font-weight:700;font-size:var(--sec-eyebrow-size);letter-spacing:.05em;text-transform:uppercase;align-items:center;gap:6px;margin-bottom:14px;display:inline-flex}.why-title{font-size:var(--sec-title-size);color:var(--sec-title-color);letter-spacing:-.02em;margin:0 0 14px;font-weight:800;line-height:1.2}.why-sub{max-width:700px;color:var(--sec-sub-color);font-size:var(--sec-sub-size);line-height:var(--sec-sub-lh);margin:0 auto 32px}.why-gallery{text-align:left;grid-template-columns:360px minmax(0,1fr);align-items:stretch;gap:24px;margin-top:40px;display:grid}.why-main{min-width:0;display:flex}@media (min-width:981px){.why-sidebar{order:-1}}.why-main-frame{background:#0f1420;border:1px solid #e5e7eb;border-radius:20px;width:100%;height:100%;position:relative;overflow:hidden;box-shadow:0 2px 8px #10182814,0 20px 48px #1018281f}.why-main-video{object-fit:cover;background:#0f1420;width:100%;height:100%;display:block}.why-main-play{cursor:pointer;z-index:2;background:linear-gradient(135deg,#74b8af 0%,#2c7786 100%);border:0;border-radius:999px;justify-content:center;align-items:center;width:80px;height:80px;transition:transform .25s,box-shadow .25s;display:inline-flex;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);box-shadow:0 10px 30px #2c778673}.why-main-play:after{content:"";border-radius:inherit;border:2px solid #ffffff59;animation:2.4s ease-out infinite why-pulse;position:absolute;inset:-10px}@keyframes why-pulse{0%{opacity:.7;transform:scale(1)}to{opacity:0;transform:scale(1.35)}}.why-main-play:hover{transform:translate(-50%,-50%)scale(1.08);box-shadow:0 14px 38px #2c77868c}.why-main-play-icon{color:#fff;width:30px;height:30px;margin-left:3px}.why-main-caption{color:#fff;z-index:1;pointer-events:none;background:linear-gradient(#080c1400 0%,#080c14d9 100%);padding:40px 24px 20px;position:absolute;bottom:0;left:0;right:0}.why-main-title{margin:0 0 4px;font-size:20px;font-weight:700}.why-main-desc{color:#ffffffd1;margin:0;font-size:14px}.why-sidebar{background:#fff;border:1px solid #e5e7eb;border-radius:20px;flex-direction:column;height:480px;padding:16px;display:flex;box-shadow:0 2px 8px #1018280f}.why-sidebar-head{border-bottom:1px solid #f0f1f3;justify-content:space-between;align-items:center;margin-bottom:8px;padding:4px 6px 12px;display:flex}.why-sidebar-label{letter-spacing:.05em;text-transform:uppercase;color:#151a2b;font-size:13px;font-weight:700}.why-sidebar-count{color:#9ca3af;font-size:12px;font-weight:600}.why-thumbs{scrollbar-width:none;-ms-overflow-style:none;flex-direction:column;flex:1 1 0;gap:8px;min-height:0;padding-right:4px;display:flex;overflow-y:auto}.why-thumbs::-webkit-scrollbar{display:none}.why-thumb{cursor:pointer;text-align:left;background:0 0;border:1px solid #0000;border-radius:14px;align-items:center;gap:12px;width:100%;padding:8px;transition:background .2s,border-color .2s,transform .2s;display:flex}.why-thumb:hover{background:#f6f8f8;transform:translate(2px)}.why-thumb.is-active{background:#74b8af1a;border-color:#74b8af}.why-thumb-media{aspect-ratio:16/10;background:#0f1420;border-radius:10px;flex-shrink:0;width:104px;position:relative;overflow:hidden}.why-thumb-video{object-fit:cover;pointer-events:none;width:100%;height:100%}.why-thumb-badge{color:#2c7786;background:#ffffffe6;border-radius:999px;justify-content:center;align-items:center;width:28px;height:28px;font-size:13px;transition:transform .2s,background .2s;display:inline-flex;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}.why-thumb:hover .why-thumb-badge,.why-thumb.is-active .why-thumb-badge{color:#fff;background:#74b8af;transform:translate(-50%,-50%)scale(1.05)}.why-thumb-info{flex-direction:column;gap:2px;min-width:0;display:flex}.why-thumb-title{color:#151a2b;white-space:nowrap;text-overflow:ellipsis;font-size:14px;font-weight:700;overflow:hidden}.why-thumb.is-active .why-thumb-title{color:#2c7786}.why-thumb-desc{color:#6b7280;-webkit-line-clamp:2;line-clamp:2;-webkit-box-orient:vertical;font-size:12px;line-height:1.35;display:-webkit-box;overflow:hidden}@media (max-width:980px){.why-gallery{flex-direction:column;grid-template-columns:1fr;gap:20px;display:flex}.why-sidebar{order:0}.why-main{order:1;width:100%;display:block}.why-main-frame{aspect-ratio:16/9;width:100%;height:auto}.why-main-video{object-fit:cover;width:100%;height:100%;position:absolute;inset:0}.why-sidebar{flex-direction:column;height:300px;max-height:300px;padding:14px;display:flex;overflow:hidden}.why-thumbs{flex-direction:column;flex:1 1 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