/* Bilingual structural diagram with matching numbered component descriptions. */
.structure-overview{scroll-margin-top:110px}
.structure-heading{display:flex;justify-content:space-between;align-items:flex-end;gap:45px;margin-bottom:30px}
.structure-heading h2{max-width:770px}
.structure-intro{max-width:370px;color:var(--muted);font-size:13px;flex:0 1 370px}
.structure-figure{margin:0;border:1px solid var(--line);background:#fff}
.structure-enlarge{display:block;position:relative;width:100%;padding:0;border:0;background:#fff;text-align:left;overflow:hidden}
.structure-enlarge img{width:100%;height:auto;max-height:none;object-fit:contain}
.structure-enlarge:hover .structure-enlarge-hint{background:#ffda60}
.structure-enlarge-hint{display:flex;align-items:center;justify-content:center;gap:10px;min-height:49px;background:#f2c641;color:#101c2b;font-size:12px;font-weight:700;transition:background .2s}
.structure-enlarge-hint>span:first-child{font-size:21px;font-weight:400;line-height:1}
.structure-legend-heading{display:flex;align-items:center;gap:18px;margin:35px 0 23px}
.structure-legend-heading h3{font-size:25px}
.structure-legend-heading:after{content:"";height:1px;background:var(--line);flex:1}
.structure-parts{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:25px 24px}
.structure-parts li{border-top:1px solid var(--line);padding-top:17px;min-width:0}
.structure-part-number{display:inline-flex;align-items:center;justify-content:center;min-width:31px;height:31px;border:1px solid #c1a244;border-radius:50%;color:#775b00;background:#fff9e7;font-size:11px;line-height:1;font-weight:700;margin-bottom:12px}
.structure-parts h4{font-size:14px;font-weight:700;line-height:1.4;margin:0 0 8px;letter-spacing:-.015em}
.structure-parts p{font-size:12px;line-height:1.7;color:var(--muted)}
.structure-note{margin-top:26px;max-width:850px}
@media(max-width:1050px){.structure-heading{display:block}.structure-intro{max-width:680px;margin-top:20px}.structure-parts{grid-template-columns:repeat(3,minmax(0,1fr));gap:25px 24px}}
@media(max-width:760px){.structure-heading{margin-bottom:23px}.structure-heading h2{font-size:36px}.structure-intro{font-size:12px;margin-top:16px}.structure-parts{grid-template-columns:repeat(2,minmax(0,1fr));gap:23px 24px}.structure-legend-heading{margin:28px 0 20px}.structure-legend-heading h3{font-size:22px}.structure-enlarge-hint{min-height:46px;font-size:11px}}
@media(max-width:440px){.structure-heading h2{font-size:32px}.structure-parts{grid-template-columns:1fr;gap:0}.structure-parts li{display:grid;grid-template-columns:34px 1fr;gap:0 13px;padding:17px 0}.structure-part-number{grid-row:span 2;margin:0;width:30px;height:30px}.structure-parts h4{font-size:14px;margin-bottom:5px}.structure-parts p{font-size:12px}.structure-legend-heading h3{font-size:21px}.structure-note{font-size:10px;margin-top:17px}}