/* 历史模块独立命名空间，避免影响已有首页与产品详情。 */
.rd-history{padding-top:100px;padding-bottom:100px;scroll-margin-top:110px}
.rd-history-heading{max-width:780px;margin-bottom:72px}
.rd-history h2,.rd-history-teaser h2{white-space:pre-line;font-size:clamp(32px,3.8vw,54px);line-height:1.16;letter-spacing:-.035em;margin:18px 0 24px;text-wrap:balance}
.rd-history p,.rd-history-teaser p{font-size:18px;line-height:1.8;color:#496071;max-width:720px}
.rd-history-timeline{list-style:none;margin:0;padding:0}
.rd-history-milestone{display:grid;grid-template-columns:190px minmax(0,1fr);gap:40px;position:relative;padding:0 0 84px 36px;border-left:1px solid #b5c9d0;margin-left:7px}
.rd-history-milestone:before{content:"";position:absolute;width:13px;height:13px;background:#147e98;border:5px solid #f5f8f7;border-radius:50%;top:11px;left:-12px;box-sizing:content-box}
.rd-history-milestone:last-child{padding-bottom:0;border-left-color:transparent}
.rd-history-date{padding-top:2px;display:flex;flex-direction:column;gap:12px;align-items:flex-start}
.rd-history-date time,.rd-history-now{font-size:clamp(42px,4.5vw,66px);line-height:1;letter-spacing:-.05em;color:#12384b;font-weight:600;font-variant-numeric:tabular-nums}
.rd-history-date>span:last-child{font-size:12px;font-weight:600;letter-spacing:.12em;color:#567483;max-width:165px;line-height:1.7}
.rd-history-copy{margin-bottom:30px}
.rd-history-label{color:#16778a;font-size:12px;letter-spacing:.14em;font-weight:600}
.rd-history h3{font-size:clamp(25px,2.4vw,34px);line-height:1.3;letter-spacing:-.025em;margin:13px 0 16px;text-wrap:balance}
.rd-history .rd-history-legal{font-size:14px;letter-spacing:.03em;color:#567483;margin:0 0 16px}
.rd-history-status{display:inline-block;border-left:3px solid #28775d;background:#e9f2ee;padding:10px 14px;color:#275d49;font-size:14px;font-weight:500;line-height:1.6;margin-top:10px}
.rd-history figure{margin:0;min-width:0}
.rd-history figure img,.rd-history-teaser img{display:block;width:100%;height:auto;border-radius:6px}
.rd-history figcaption{font-size:13px;line-height:1.65;color:#5b7381;margin:12px 0 0}
.rd-history-pair{display:grid;grid-template-columns:1fr 1fr;gap:22px;margin-top:26px}
.rd-history-pair img{aspect-ratio:3/2;object-fit:contain;background:#e8eeed}
.rd-history-teaser{display:grid;grid-template-columns:1fr 1.08fr;gap:64px;align-items:center;padding-top:90px;padding-bottom:90px;border-top:1px solid #dce5e8}
.rd-history-teaser p{margin-bottom:24px}
.rd-history-teaser-photo{display:block;position:relative;min-width:0}
.rd-history-teaser-photo>span{display:flex;justify-content:space-between;gap:12px;align-items:center;background:#12384b;color:#fff;padding:18px 24px;border-radius:0 0 6px 6px;font-size:20px;line-height:1.4;font-weight:500}
.rd-history-teaser-photo img{border-radius:6px 6px 0 0}
.rd-history-teaser-photo i{font-style:normal;color:#8bbcc8}
.rd-history a:focus-visible,.rd-history-teaser a:focus-visible{outline:3px solid #147e98;outline-offset:6px}
@media(max-width:900px){.rd-history-milestone{grid-template-columns:135px minmax(0,1fr);gap:24px;padding-left:28px}.rd-history-teaser{gap:32px}}
@media(max-width:640px){.rd-history{padding-top:64px;padding-bottom:64px}.rd-history-heading{margin-bottom:44px}.rd-history-milestone{grid-template-columns:minmax(0,1fr);gap:24px;padding:0 0 56px 25px}.rd-history-date{gap:8px}.rd-history-date time,.rd-history-now{font-size:48px}.rd-history-date>span:last-child{max-width:none}.rd-history-pair{gap:22px;grid-template-columns:1fr}.rd-history p,.rd-history-teaser p{font-size:17px}.rd-history-teaser{grid-template-columns:1fr;gap:32px;padding-top:56px;padding-bottom:56px}.rd-history-teaser-photo>span{font-size:18px;padding:16px 20px}.rd-history h3{font-size:26px}.rd-history-status{font-size:13px}}