:root {
  --shelf-ink:#172532;
  --shelf-blue:#2b6680;
  --shelf-mint:#a9d8c9;
  --shelf-paper:#f4f7f2;
  --shelf-line:#c6d5d0;
  --shelf-muted:#667775;
}
* {
  box-sizing:border-box;
}
body {
  margin:0;
  background:var(--shelf-paper);
  color:var(--shelf-ink);
  font:15px/1.65 Arial,"Microsoft Yahei",sans-serif;
}
a {
  color:inherit;
}
.shelf-shell {
  display:grid;
  grid-template-columns:276px minmax(0,1fr);
  min-height:100vh;
}
.shelf-sidebar {
  position:sticky;
  top:0;
  display:flex;
  flex-direction:column;
  height:100vh;
  padding:28px 24px 23px;
  background:var(--shelf-ink);
  color:#edf7f2;
}
.shelf-side-top {
  display:flex;
  align-items:center;
  justify-content:space-between;
}
.shelf-brand {
  display:flex;
  gap:11px;
  align-items:center;
  color:#fff;
  text-decoration:none;
}
.shelf-brand i {
  display:grid;
  place-items:center;
  width:40px;
  height:40px;
  background:var(--shelf-blue);
  color:#fff;
  font:bold 12px Arial;
  font-style:normal;
}
.shelf-brand b,.shelf-brand small {
  display:block;
}
.shelf-brand b {
  font-size:17px;
}
.shelf-brand small {
  color:#a9c1bd;
  font-size:10px;
}
.shelf-menu {
  display:none;
  width:40px;
  height:40px;
  border:1px solid #8da9a3;
  background:transparent;
}
.shelf-menu span {
  display:block;
  width:16px;
  height:2px;
  margin:4px auto;
  background:#fff;
}
.shelf-side-kicker {
  margin:67px 0 18px;
  color:var(--shelf-mint);
  font:bold 10px Arial;
  letter-spacing:.15em;
}
.shelf-directory {
  display:grid;
  border-top:1px solid #41606a;
}
.shelf-directory a {
  padding:15px 2px;
  border-bottom:1px solid #41606a;
  color:#e4f0ec;
  text-decoration:none;
  font-size:13px;
}
.shelf-directory a:first-child {
  color:var(--shelf-mint);
}
.shelf-side-download {
  margin-top:auto;
  padding:17px;
  background:#243d48;
  border-left:3px solid var(--shelf-mint);
}
.shelf-side-download small,.shelf-side-download b {
  display:block;
}
.shelf-side-download small {
  color:var(--shelf-mint);
  font:10px Arial;
  letter-spacing:.12em;
}
.shelf-side-download b {
  margin:7px 0 15px;
  font-size:14px;
}
.shelf-side-download a {
  display:flex;
  justify-content:space-between;
  color:#fff;
  font-size:12px;
}
.shelf-side-download a span {
  color:var(--shelf-mint);
  font-size:18px;
}
.shelf-side-foot {
  display:grid;
  gap:3px;
  margin-top:20px;
  color:#8fa6a2;
  font-size:10px;
}
.shelf-main {
  min-width:0;
}
.shelf-cover {
  position:relative;
  display:flex;
  align-items:flex-end;
  min-height:590px;
  overflow:hidden;
  background:var(--shelf-blue);
}
.shelf-cover>img {
  position:absolute;
  inset:0;
  width:100%;
  height:100%;
  object-fit:cover;
  filter:saturate(.8) contrast(1.1);
}
.shelf-cover-shade {
  position:absolute;
  inset:0;
  background:linear-gradient(90deg,rgba(13,28,37,.94) 0%,rgba(13,28,37,.76) 42%,rgba(13,28,37,.15) 76%);
}
.shelf-cover-copy {
  position:relative;
  z-index:1;
  width:min(700px,calc(100% - 84px));
  margin:0 42px 75px;
  color:#fff;
}
.eyebrow {
  margin:0 0 13px;
  color:var(--shelf-mint);
  font:bold 10px Arial;
  letter-spacing:.16em;
}
.shelf-cover h1 {
  max-width:650px;
  margin:0;
  font-size:50px;
  line-height:1.15;
}
.shelf-cover-copy>p:not(.eyebrow) {
  max-width:600px;
  margin:21px 0;
  color:#d5e4df;
  font-size:16px;
}
.shelf-actions {
  display:flex;
  gap:20px;
  align-items:center;
  margin-top:27px;
}
.download-button {
  padding:13px 19px;
  background:var(--shelf-mint);
  color:var(--shelf-ink);
  text-decoration:none;
  font-weight:bold;
  font-size:12px;
}
.quiet-link {
  color:#fff;
  text-decoration:underline;
  text-underline-offset:5px;
  font-size:12px;
}
.shelf-cover figcaption {
  position:absolute;
  z-index:1;
  right:42px;
  bottom:37px;
  display:grid;
  gap:4px;
  width:210px;
  padding:14px;
  background:rgba(244,247,242,.92);
  color:var(--shelf-ink);
}
.shelf-cover figcaption b {
  color:var(--shelf-blue);
  font:10px Arial;
  letter-spacing:.13em;
}
.shelf-cover figcaption span {
  font-size:11px;
}
.download-shelf,.shelf-notes,.shelf-feed,.shelf-archive {
  padding:72px max(28px,calc((100vw - 276px - 1140px)/2));
}
.download-shelf {
  background:#dce8e2;
}
.download-shelf>header,.shelf-notes>header,.shelf-archive>header {
  display:grid;
  grid-template-columns:1fr minmax(250px,390px);
  gap:42px;
  align-items:end;
  margin-bottom:30px;
}
.download-shelf h2,.shelf-notes h2,.shelf-feed h2,.shelf-archive h2 {
  margin:0;
  font-size:34px;
  line-height:1.2;
}
.download-shelf header>p,.shelf-notes header>p,.shelf-archive header>p {
  margin:0;
  color:var(--shelf-muted);
  font-size:13px;
}
.download-shelf-grid {
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:11px;
}
.download-card {
  min-height:250px;
  padding:18px;
  background:var(--shelf-paper);
  border:1px solid var(--shelf-line);
}
.download-card .ranking-media {
  display:block;
  height:104px;
  margin:-18px -18px 16px;
  overflow:hidden;
  background:var(--shelf-ink);
}
.download-card img {
  width:100%;
  height:100%;
  object-fit:cover;
}
.download-card>span {
  color:var(--shelf-blue);
  font:bold 10px Arial;
}
.download-card h3 {
  margin:9px 0 5px;
  font-size:17px;
}
.download-card h3 a {
  text-decoration:none;
}
.download-card p {
  margin:0;
  color:var(--shelf-muted);
  font-size:11px;
}
.download-card i {
  display:block;
  margin-top:12px;
  color:var(--shelf-blue);
  font-style:normal;
  font-size:11px;
}
.platform-table {
  display:grid;
  grid-template-columns:270px 1fr;
  gap:45px;
  padding:80px max(28px,calc((100vw - 276px - 1050px)/2));
  background:#fff;
}
.platform-table>header {
  display:flex;
  gap:15px;
}
.platform-table>header>span {
  color:var(--shelf-blue);
  font:bold 61px/.8 Arial;
}
.platform-table h2 {
  margin:0;
  font-size:29px;
  line-height:1.23;
}
.platform-table header p:last-child {
  color:var(--shelf-muted);
  font-size:12px;
}
.platform-rows {
  border-top:2px solid var(--shelf-ink);
}
.platform-rows a {
  display:grid;
  grid-template-columns:170px 1fr auto;
  gap:20px;
  align-items:center;
  min-height:82px;
  padding:15px 8px;
  border-bottom:1px solid var(--shelf-line);
  text-decoration:none;
}
.platform-rows b {
  font-size:14px;
}
.platform-rows span {
  color:var(--shelf-muted);
  font-size:12px;
}
.platform-rows i {
  color:var(--shelf-blue);
  font-style:normal;
  font-size:12px;
}
.shelf-notes {
  background:#eff4ef;
}
.shelf-notes-grid {
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:11px;
}
.shelf-notes-grid a {
  min-height:165px;
  padding:21px;
  background:#fff;
  border-top:4px solid var(--shelf-blue);
  text-decoration:none;
}
.shelf-notes-grid span {
  color:var(--shelf-blue);
  font:bold 10px Arial;
}
.shelf-notes-grid h3 {
  margin:11px 0 5px;
  font-size:18px;
}
.shelf-notes-grid p {
  margin:0;
  color:var(--shelf-muted);
  font-size:12px;
}
.shelf-feed {
  background:var(--shelf-ink);
  color:#fff;
}
.shelf-feed-grid {
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:11px;
  margin-top:29px;
}
.shelf-feed-grid section {
  min-height:170px;
  padding:22px;
  border:1px solid #42606a;
}
.shelf-feed-grid h3 {
  margin:0;
  font-size:19px;
}
.shelf-feed-grid h3 a {
  text-decoration:none;
}
.shelf-feed-grid p {
  color:#bdd0cc;
  font-size:12px;
}
.shelf-feed-grid a:last-child {
  color:var(--shelf-mint);
  font-size:11px;
}
.shelf-archive {
  background:#fff;
}
.shelf-archive-grid {
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:11px;
}
.shelf-archive-card {
  padding:15px;
  background:var(--shelf-paper);
  border:1px solid var(--shelf-line);
}
.shelf-archive-card img {
  width:100%;
  height:100px;
  display:block;
  margin-bottom:14px;
  object-fit:cover;
}
.shelf-archive-card>span {
  color:var(--shelf-blue);
  font:bold 10px Arial;
}
.shelf-archive-card h3 {
  margin:5px 0;
  font-size:15px;
}
.shelf-archive-card h3 a {
  text-decoration:none;
}
.shelf-archive-card p {
  margin:0;
  color:var(--shelf-muted);
  font-size:11px;
}
.shelf-footer {
  display:grid;
  grid-template-columns:1fr auto;
  gap:28px;
  padding:42px max(28px,calc((100vw - 276px - 1140px)/2));
  background:#10202b;
  color:#edf7f2;
}
.shelf-footer p {
  max-width:580px;
  margin:8px 0 0;
  color:#b2c4c1;
  font-size:12px;
}
.shelf-footer nav {
  display:flex;
  flex-wrap:wrap;
  gap:15px;
  justify-content:flex-end;
}
.shelf-footer nav a {
  font-size:11px;
}
@media(max-width:920px) {
  .shelf-shell {
    grid-template-columns:210px minmax(0,1fr);
  }
  .shelf-sidebar {
    padding:22px 17px;
  }
  .shelf-cover-copy {
    width:calc(100% - 52px);
    margin-left:26px;
  }
  .shelf-cover figcaption {
    right:25px;
  }
  .download-shelf,.shelf-notes,.shelf-feed,.shelf-archive {
    padding-inline:26px;
  }
  .platform-table {
    grid-template-columns:1fr;
    padding-inline:26px;
    gap:28px;
  }
  .download-shelf-grid,.shelf-notes-grid,.shelf-archive-grid {
    grid-template-columns:repeat(2,1fr);
  }
}
@media(max-width:620px) {
  .shelf-shell {
    display:block;
  }
  .shelf-sidebar {
    position:relative;
    z-index:5;
    height:auto;
    min-height:75px;
    padding:14px;
  }
  .shelf-side-kicker,.shelf-side-download,.shelf-side-foot {
    display:none;
  }
  .shelf-menu {
    display:block;
  }
  .shelf-directory {
    display:none;
    margin:14px -14px -14px;
    padding:0 14px;
    background:#203741;
  }
  .shelf-directory.is-open {
    display:grid;
  }
  .shelf-cover {
    min-height:500px;
  }
  .shelf-cover-copy {
    width:calc(100% - 28px);
    margin:0 14px 105px;
  }
  .shelf-cover h1 {
    font-size:35px;
  }
  .shelf-cover-copy>p:not(.eyebrow) {
    font-size:14px;
  }
  .shelf-actions {
    align-items:stretch;
    flex-direction:column;
  }
  .download-button {
    text-align:center;
  }
  .shelf-cover figcaption {
    right:14px;
    bottom:18px;
    left:14px;
    width:auto;
  }
  .download-shelf,.shelf-notes,.shelf-feed,.shelf-archive {
    padding:54px 14px;
  }
  .download-shelf>header,.shelf-notes>header,.shelf-archive>header {
    grid-template-columns:1fr;
    gap:10px;
  }
  .download-shelf h2,.shelf-notes h2,.shelf-feed h2,.shelf-archive h2 {
    font-size:28px;
  }
  .download-shelf-grid {
    display:flex;
    overflow-x:auto;
    scroll-snap-type:x mandatory;
  }
  .download-card {
    flex:0 0 78vw;
    scroll-snap-align:start;
  }
  .platform-table {
    padding:54px 14px;
  }
  .platform-rows a {
    grid-template-columns:1fr auto;
    gap:5px;
  }
  .platform-rows span {
    grid-column:1;
  }
  .shelf-notes-grid,.shelf-archive-grid,.shelf-feed-grid {
    grid-template-columns:1fr;
  }
  .shelf-archive-card {
    display:grid;
    grid-template-columns:105px 1fr;
    column-gap:13px;
  }
  .shelf-archive-card img {
    grid-row:span 3;
    height:82px;
    margin:0;
  }
  .shelf-footer {
    grid-template-columns:1fr;
    padding:35px 14px;
  }
  .shelf-footer nav {
    justify-content:flex-start;
  }
}