.yunam-business-areas { color: #26364a; }
.yunam-business-areas .yb-heading { max-width: 1120px; margin: 0 auto 56px; text-align: center; }
.yunam-business-areas .yb-heading h2 { margin: 0; font-size: clamp(28px, 3vw, 40px); font-weight: 800; line-height: 1.45; }
.yunam-business-areas .yb-heading p { margin: 14px 0 0; color: #27649d; font-size: 20px; line-height: 1.7; }
.yunam-business-areas h2, .yunam-business-areas h3, .yunam-business-areas p { word-break: keep-all; overflow-wrap: anywhere; }
.yunam-business-areas .yb-diagram { position: relative; max-width: 1120px; min-height: 570px; margin: 0 auto; }
.yunam-business-areas .yb-core { position: absolute; z-index: 2; top: 30px; left: 50%; display: flex; flex-direction: column; justify-content: center; width: 320px; height: 320px; padding: 28px; transform: translateX(-50%); border: 8px solid #e3effa; border-radius: 50%; background: #163e70; color: #fff; text-align: center; box-shadow: 0 0 0 1px #bfd4e8; }
.yunam-business-areas .yb-core h3 { margin: 0; color: #fff; font-size: 30px; font-weight: 800; line-height: 1.4; }
.yunam-business-areas .yb-core p { margin: 6px 0 0; color: #d7e8fa; font-size: 18px; line-height: 1.6; }
.yunam-business-areas .yb-core .yb-share { margin-top: 18px; color: #fff; }
.yunam-business-areas .yb-share strong { display: block; font-size: 76px; line-height: 1.1; font-weight: 800; letter-spacing: -3px; }
.yunam-business-areas .yb-share strong span { font-size: 34px; letter-spacing: 0; }
.yunam-business-areas .yb-industries { margin: 0; padding: 0; list-style: none; }
.yunam-business-areas .yb-industries li { position: absolute; width: 27%; min-height: 112px; padding: 24px 12px; border: 1px solid #d3e2ef; border-radius: 12px; background: #f4f8fc; text-align: center; }
.yunam-business-areas .yb-industries h3 { margin: 0 0 6px; color: #163e70; font-size: 23px; line-height: 1.4; font-weight: 700; }
.yunam-business-areas .yb-industries p { margin: 0; color: #586c80; font-size: 16px; line-height: 1.5; }
.yunam-business-areas .yb-display { top: 20px; left: 0; }
.yunam-business-areas .yb-energy { top: 260px; left: 0; }
.yunam-business-areas .yb-chemical { top: 20px; right: 0; }
.yunam-business-areas .yb-medical { top: 260px; right: 0; }
.yunam-business-areas .yb-industries .yb-auto { top: 438px; left: 50%; transform: translateX(-50%); }
.yunam-business-areas .yb-industries li::before { content: ""; position: absolute; z-index: 0; top: 50%; width: 85%; height: 1px; background: #91b4d5; }
.yunam-business-areas .yb-display::before, .yunam-business-areas .yb-energy::before { left: 100%; transform-origin: left center; }
.yunam-business-areas .yb-display::before { transform: rotate(25deg); }
.yunam-business-areas .yb-energy::before { transform: rotate(-25deg); }
.yunam-business-areas .yb-chemical::before, .yunam-business-areas .yb-medical::before { right: 100%; transform-origin: right center; }
.yunam-business-areas .yb-chemical::before { transform: rotate(-25deg); }
.yunam-business-areas .yb-medical::before { transform: rotate(25deg); }
.yunam-business-areas .yb-industries .yb-auto::before { top: -89px; left: 50%; width: 1px; height: 88px; }
@media (max-width: 991px) {
    .yunam-business-areas .yb-heading { margin-bottom: 36px; }
    .yunam-business-areas .yb-diagram { min-height: 0; }
    .yunam-business-areas .yb-core { position: relative; top: auto; left: auto; width: 300px; max-width: 100%; height: auto; min-height: 300px; margin: 0 auto 36px; transform: none; }
    .yunam-business-areas .yb-industries { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
    .yunam-business-areas .yb-industries li, .yunam-business-areas .yb-industries .yb-auto { position: static; width: auto; min-width: 0; transform: none; }
    .yunam-business-areas .yb-industries li::before { display: none; }
}
@media (max-width: 575px) {
    .yunam-business-areas .yb-heading p { font-size: 18px; }
    .yunam-business-areas .yb-industries { grid-template-columns: minmax(0, 1fr); }
    .yunam-business-areas .yb-industries h3 { font-size: 21px; }
    .yunam-business-areas .yb-core h3 { font-size: 27px; }
}