.about-page{max-width:1160px}.about-hero{display:grid;grid-template-columns:1fr 260px;gap:48px;padding:40px;background:linear-gradient(125deg,#e6f2f4,#f8fbfc);border:1px solid #cfdee5;border-radius:20px}.about-hero h1{font-size:42px;letter-spacing:-1.3px;margin:16px 0}.about-lead{font-size:22px;line-height:1.55;color:#185d70}.about-hero>div>p:last-of-type{max-width:570px;color:#526975}.about-version{align-self:center;padding:30px;border:1px solid #bdd4de;border-radius:16px;background:#fff;display:flex;flex-direction:column;gap:10px;color:#527080}.about-version strong{font-size:42px;letter-spacing:-1px;color:#165a70}.about-version a{margin-top:16px}.about-features{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin:32px 0}.about-features article{padding:22px 8px}.about-features span{font-size:12px;font-weight:700;letter-spacing:1px;color:#528797}.about-features h2{font-size:20px;margin:12px 0}.about-features p{color:#526975;margin:0}.about-columns{display:grid;grid-template-columns:1fr 1fr;gap:24px}.about-card{padding:30px;border:1px solid #d6e2e8;border-radius:16px;background:white}.about-card h2{margin:8px 0 14px}.about-lab-name{font-size:14px;color:#467386}.about-card dl{display:grid;grid-template-columns:100px 1fr;gap:14px 16px;margin:28px 0 0;font-size:14px}.about-card dt{color:#647b87}.about-card dd{margin:0;overflow-wrap:anywhere}.about-sha{font-size:12px;word-break:break-all;display:block;line-height:1.7}.about-note{font-size:13px;color:#617984;line-height:1.7}.about-updates{margin:48px 0}.about-updates>h2{font-size:28px;margin:10px 0}.about-updates>p{color:#587480}.release-timeline{margin:26px 0}.release-entry{margin:12px 0;background:white;border:1px solid #d3e0e6;border-radius:14px;overflow:hidden}.release-entry summary{list-style:none;display:flex;gap:18px;align-items:center;padding:24px;cursor:pointer}.release-entry summary::-webkit-details-marker{display:none}.release-tag{padding:7px 12px;border-radius:9px;background:#e6f2f4;color:#175c70;font-weight:700;white-space:nowrap}.release-entry strong{display:block;font-size:18px}.release-entry time{display:block;color:#687f89;font-size:13px;margin-top:4px}.release-expand{margin-left:auto;font-size:24px;color:#527b8c}.release-entry[open] .release-expand{transform:rotate(45deg)}.release-entry ul{padding:0 34px 20px 54px;margin:0;line-height:1.9}.release-entry li{margin:8px 0}.about-prehistory{margin-top:24px}.about-prehistory>summary{padding:18px 0;font-weight:700;color:#486c7b;cursor:pointer}.about-prehistory article{border-left:2px solid #bed4dc;margin:24px 0;padding:0 0 0 24px}.about-prehistory time{font-size:13px;color:#6c828c}.about-prehistory h3{margin:6px 0}.about-prehistory p{margin:6px 0}@media(max-width:760px){.about-hero{grid-template-columns:1fr;gap:26px;padding:26px}.about-hero h1{font-size:34px}.about-version{padding:22px}.about-features,.about-columns{grid-template-columns:1fr;gap:16px}.about-features article{padding:14px 4px}.about-card{padding:24px}.about-card dl{grid-template-columns:90px 1fr;gap:12px}.release-entry summary{padding:18px;gap:12px}.release-entry strong{font-size:16px}.release-entry ul{padding-left:36px;padding-right:22px}.about-version strong{font-size:36px}.about-updates{margin-top:32px}}