.installation-archive { padding: 90px 0 35px; }
.installation-heading { margin-bottom: 38px; }
.installation-heading span { color: #e51515; font-size: .7rem; font-weight: 750; letter-spacing: .14em; }
.installation-heading h2 { margin: 10px 0 0; font-size: 2.15rem; letter-spacing: -.045em; }
.installation-heading p { margin: 0; color: #6b7280; line-height: 1.75; }
.installation-summary { display: flex; align-items: baseline; gap: 12px; padding: 28px 30px; color: #fff; background: #17191d; }
.installation-summary strong { color: #e51515; font-size: 2.6rem; line-height: 1; letter-spacing: -.05em; }
.installation-summary span { color: #c6c8cd; font-size: .82rem; }
.installation-summary a { margin-left: auto; color: #fff; font-size: .78rem; }
.installation-summary a i { margin-left: 7px; color: #e51515; }
.installation-groups { border-top: 2px solid #17191d; }
.installation-group { border-bottom: 1px solid #d9d9d9; }
.installation-group summary { display: grid; grid-template-columns: 1fr auto 28px; align-items: center; gap: 22px; padding: 26px 18px; cursor: pointer; list-style: none; }
.installation-group summary::-webkit-details-marker { display: none; }
.installation-group summary>span { font-size: 1.15rem; font-weight: 700; letter-spacing: -.025em; }
.installation-group summary small { color: #888; font-size: .75rem; }
.installation-group summary i { color: #e51515; text-align: center; transition: .2s; }
.installation-group[open] summary i { transform: rotate(45deg); }
.installation-table { margin: 0 18px 28px; border-top: 1px solid #aeb2b8; }
.installation-row { display: grid; grid-template-columns: 1fr 1.2fr; gap: 28px; min-height: 54px; padding: 15px 18px; border-bottom: 1px solid #ececec; }
.installation-row span { color: #555; font-size: .86rem; line-height: 1.6; }
.installation-row span:first-child { color: #202124; font-weight: 600; }
.installation-table-head { min-height: auto; padding-top: 12px; padding-bottom: 12px; background: #f5f6f7; }
.installation-table-head strong { color: #777; font-size: .7rem; letter-spacing: .08em; }
.installation-source-note { margin: 22px 0 0; color: #929292; font-size: .75rem; line-height: 1.7; }
.case-performance { padding-bottom: 0; }
.case-performance+.installation-archive { border-top: 0; }
@media (max-width: 767.98px) {
    .installation-archive { padding-top: 65px; }
    .installation-heading { grid-template-columns: 1fr; gap: 16px; }
    .installation-heading h2 { font-size: 1.75rem; }
    .installation-summary { padding: 23px 20px; }
    .installation-summary strong { font-size: 2rem; }
    .installation-group summary { grid-template-columns: 1fr auto 22px; gap: 10px; padding: 22px 8px; }
    .installation-table { margin: 0 0 22px; }
    .installation-row { grid-template-columns: 1fr; gap: 4px; padding: 14px 10px; }
    .installation-table-head { display: none; }
    .installation-row span:last-child { color: #888; font-size: .78rem; }
}