/* High-school catalog. Runtime colors are owned by styles.css. */
body:has(.gaokao-shelf){background:var(--course-gaokao-soft);color:var(--member-ink)}
body:has(.gaokao-shelf) .site-header{background:var(--color-surface);border-color:var(--member-line)}
.gaokao-shelf{--color-primary:var(--course-gaokao-accent);--color-line:var(--member-line);--color-muted:var(--member-muted);--color-accent:var(--course-gaokao-accent);--color-soft:var(--course-gaokao-soft);--color-surface:var(--color-white)}
.gaokao-top{display:flex;align-items:center;justify-content:space-between;gap:20px;padding-bottom:22px;margin-bottom:30px;border-bottom:1px solid var(--member-line);font-size:12px;color:var(--member-muted)}
.gaokao-top>a{color:var(--course-gaokao-accent)}.gaokao-download{display:inline-flex;align-items:center;gap:8px;min-height:40px}.gaokao-download:hover{text-decoration:underline;text-underline-offset:4px}
.gaokao-heading{display:flex;align-items:center;justify-content:space-between;gap:25px;margin-bottom:25px}.gaokao-heading .section-eyebrow{color:var(--course-gaokao-accent);font-size:10px;letter-spacing:2px;margin-bottom:10px}.gaokao-heading h1{font:600 35px/1.4 var(--font-reading);letter-spacing:2px;margin-bottom:11px}.gaokao-heading p:last-child{font-size:14px;color:var(--member-muted);line-height:1.8;margin:0}.gaokao-heading-label{flex:none;border:1px solid var(--member-line);background:var(--color-white);color:var(--course-gaokao-accent);padding:7px 12px;border-radius:7px;font-size:12px}
.gaokao-hero{display:grid;grid-template-columns:minmax(0,1.16fr) minmax(0,.84fr);min-height:390px;border:1px solid var(--member-line);border-radius:22px;overflow:hidden;background:var(--color-white)}
.gaokao-hero-art{position:relative;grid-column:2;grid-row:1;min-height:390px;background:linear-gradient(135deg,var(--course-gaokao-soft),var(--member-line));overflow:hidden}.gaokao-hero-art>img{display:block;position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center 43%}.gaokao-hero-art:after{content:'';position:absolute;inset:0;background:linear-gradient(180deg,transparent 50%,color-mix(in srgb,var(--member-ink) 70%,transparent))}.gaokao-art-caption{position:absolute;z-index:1;bottom:25px;left:20px;right:20px;color:var(--color-white);font:500 18px/1.7 var(--font-reading);text-align:center;letter-spacing:2px}
.gaokao-hero-copy{grid-column:1;grid-row:1;min-width:0;display:flex;flex-direction:column;align-items:flex-start;padding:35px 38px;background:linear-gradient(115deg,var(--color-white),var(--course-gaokao-soft))}.gaokao-hero-kicker{font-size:11px;letter-spacing:2px;color:var(--course-gaokao-accent);margin-bottom:17px}.gaokao-hero h2{font:600 29px/1.6 var(--font-reading);margin:0 0 17px;overflow-wrap:anywhere}.gaokao-hero-intro{font-size:14px;line-height:1.95;color:var(--member-muted);margin:0 0 15px;overflow-wrap:anywhere}.gaokao-hero-meta{font-size:11px;color:var(--course-gaokao-accent);line-height:1.8;margin:0 0 22px}.gaokao-primary{background:var(--course-gaokao-accent);border-color:var(--course-gaokao-accent);color:var(--color-white);gap:22px;min-height:45px}.gaokao-primary:hover:not(:disabled){background:var(--member-deep);border-color:var(--member-deep)}.gaokao-hero-pagination{display:flex;align-items:center;gap:18px;width:100%;padding-top:25px;margin-top:auto;color:var(--member-muted);font-size:11px}.gaokao-hero-controls{display:flex;gap:8px}.gaokao-hero-controls button{width:38px;height:36px;border:1px solid var(--member-line);border-radius:7px;background:var(--color-white);color:var(--course-gaokao-accent);font-size:18px}.gaokao-hero-controls button:hover:not(:disabled){border-color:var(--course-gaokao-accent);background:var(--course-gaokao-soft)}
.gaokao-stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin:24px 0}.gaokao-stats>div{display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:23px 16px;border:1px solid var(--member-line);border-radius:14px;background:var(--color-white)}.gaokao-stats strong{font:600 32px/1.4 Georgia,serif;color:var(--course-gaokao-accent)}.gaokao-stats span{font-size:12px;color:var(--member-muted);margin-top:6px;line-height:1.7}
.gaokao-notice{padding:20px 24px;border:1px solid var(--member-line);border-left:4px solid var(--course-gaokao-accent);background:var(--color-white);border-radius:9px;margin-bottom:35px}.gaokao-notice strong{color:var(--course-gaokao-accent);font-size:14px}.gaokao-notice p{font-size:12px;line-height:1.9;color:var(--member-muted);margin:6px 0 0}
.gaokao-catalog-tools{display:flex;justify-content:space-between;align-items:center;gap:25px;margin-bottom:12px}.gaokao-catalog-tools h2{font:600 23px/1.6 var(--font-reading);margin:0}.gaokao-catalog-tools h2>span{font:12px/1.6 var(--font-ui);color:var(--member-muted);margin-left:12px}.gaokao-search{width:290px;min-height:42px;background:var(--color-white)}.gaokao-search input{font-size:13px}.gaokao-search .clear-search{align-items:center;justify-content:center;width:28px;height:30px;font-size:21px;color:var(--course-gaokao-accent)}.gaokao-visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}.gaokao-result-count{font-size:12px;color:var(--member-muted);margin:0 0 18px}
.gaokao-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));align-items:start;gap:20px}.gaokao-card{display:grid;grid-template-columns:122px minmax(0,1fr);gap:21px;min-width:0;padding:20px;border:1px solid var(--member-line);border-radius:15px;background:var(--color-white)}.gaokao-card:focus{outline:3px solid var(--course-gaokao-accent);outline-offset:4px}.gaokao-text-cover{position:relative;align-self:start;display:flex;flex-direction:column;align-items:center;min-width:0;aspect-ratio:3/4;padding:13px 11px 11px;overflow:hidden;text-align:center;border:1px solid var(--member-line);border-radius:5px 9px 9px 5px;background:linear-gradient(145deg,var(--course-gaokao-soft),var(--member-soft));color:var(--course-gaokao-accent)}.gaokao-text-cover:before{content:'';position:absolute;left:5px;top:0;bottom:0;border-left:1px solid var(--member-line)}.gaokao-cover-1{background:linear-gradient(135deg,var(--color-surface),var(--course-gaokao-soft))}.gaokao-cover-2{background:linear-gradient(160deg,var(--member-soft),var(--color-white))}.gaokao-cover-3{background:linear-gradient(140deg,var(--course-gaokao-soft),var(--color-highlight))}.gaokao-cover-kicker{font-size:7px;letter-spacing:1px}.gaokao-cover-number{font:25px/1.2 Georgia,serif;margin:8px 0 5px;color:var(--member-muted)}.gaokao-text-cover strong{font:500 12px/1.65 var(--font-reading);letter-spacing:1px;overflow-wrap:anywhere}.gaokao-cover-footer{font-size:7px;letter-spacing:1px;margin-top:auto;padding-top:9px}
.gaokao-card-copy{min-width:0}.gaokao-card-topline{display:flex;align-items:center;justify-content:space-between;gap:8px;font-size:10px;color:var(--course-gaokao-accent);margin-bottom:8px}.gaokao-card-topline>span:last-child{font-family:Georgia,serif;color:var(--member-muted)}.gaokao-card h3{font:600 18px/1.7 var(--font-reading);margin:0 0 12px;overflow-wrap:anywhere}.gaokao-card-intro{font-size:12px;line-height:1.9;color:var(--member-muted);margin:0 0 13px;overflow-wrap:anywhere}.gaokao-card-meta{font-size:11px;line-height:1.8;color:var(--course-gaokao-accent);margin:0 0 12px}.gaokao-details{border-top:1px solid var(--member-line)}.gaokao-details summary{display:flex;align-items:center;justify-content:space-between;gap:12px;cursor:pointer;min-height:40px;padding:10px 0;color:var(--course-gaokao-accent);font-size:12px;list-style:none}.gaokao-details summary::-webkit-details-marker{display:none}.gaokao-details summary:hover{text-decoration:underline;text-underline-offset:4px}.gaokao-details summary>span{font-size:16px}.gaokao-details[open] summary>span{transform:rotate(45deg)}.gaokao-details-body{padding:4px 0 0}.gaokao-details h4{font:600 12px/1.6 var(--font-ui);margin:0 0 10px;color:var(--member-ink)}.gaokao-chapters{list-style:none;margin:0;padding:0}.gaokao-chapters li{display:grid;grid-template-columns:18px minmax(0,1fr);column-gap:8px;row-gap:2px;padding:9px 0;border-bottom:1px solid var(--member-line);font-size:11px;line-height:1.8;overflow-wrap:anywhere}.gaokao-chapter-no{color:var(--course-gaokao-accent);font:12px/1.8 Georgia,serif}.gaokao-chapters small{grid-column:2;color:var(--member-muted);font-size:10px}.gaokao-chapters-empty{font-size:12px;color:var(--member-muted);margin-bottom:12px}.gaokao-source-link{display:inline-flex;align-items:center;gap:8px;min-height:40px;font-size:11px;color:var(--course-gaokao-accent);margin-top:8px}.gaokao-source-link:hover{text-decoration:underline;text-underline-offset:4px}
.gaokao-empty{grid-column:1/-1;padding:45px 24px;text-align:center;border:1px dashed var(--member-line);border-radius:15px;background:var(--color-white)}.gaokao-empty h3{font:600 23px/1.5 var(--font-reading);margin-bottom:12px}.gaokao-empty p{color:var(--member-muted);font-size:13px}.gaokao-pagination{display:flex;align-items:center;justify-content:center;gap:20px;margin-top:28px}.gaokao-pagination p{font-size:12px;color:var(--member-muted);margin:0}.gaokao-pagination .btn{min-height:44px}.gaokao-pagination p:focus{outline:2px solid var(--course-gaokao-accent);outline-offset:5px}
@media(max-width:1000px){.gaokao-hero{grid-template-columns:minmax(0,1.2fr) minmax(0,.8fr)}.gaokao-hero-copy{padding:28px}.gaokao-hero h2{font-size:25px}.gaokao-grid{gap:16px}.gaokao-card{grid-template-columns:100px minmax(0,1fr);gap:15px;padding:17px}.gaokao-text-cover{padding:10px 8px}.gaokao-cover-number{font-size:21px}.gaokao-text-cover strong{font-size:11px;letter-spacing:0}.gaokao-cover-footer{font-size:6px}.gaokao-card h3{font-size:17px}}
@media(max-width:760px){.gaokao-top>span{display:none}.gaokao-heading{align-items:flex-start;flex-direction:column;gap:13px}.gaokao-heading h1{font-size:30px}.gaokao-heading p:last-child{font-size:13px}.gaokao-hero{grid-template-columns:minmax(0,1fr)}.gaokao-hero-art{grid-column:1;grid-row:1;min-height:230px}.gaokao-hero-art>img{object-position:center 37%}.gaokao-hero-copy{grid-column:1;grid-row:2;padding:28px}.gaokao-hero h2{font-size:26px}.gaokao-hero-intro{font-size:13px}.gaokao-hero-pagination{padding-top:22px}.gaokao-stats{gap:10px;margin:18px 0}.gaokao-stats>div{padding:18px 10px}.gaokao-stats strong{font-size:27px}.gaokao-stats span{font-size:10px}.gaokao-notice{padding:17px 19px;margin-bottom:28px}.gaokao-grid{grid-template-columns:minmax(0,1fr)}.gaokao-card{grid-template-columns:115px minmax(0,1fr);padding:20px;gap:20px}.gaokao-text-cover{padding:12px 10px}.gaokao-text-cover strong{font-size:12px}.gaokao-cover-number{font-size:24px}.gaokao-card h3{font-size:19px}.gaokao-catalog-tools{align-items:flex-start;flex-direction:column;gap:15px}.gaokao-search{width:100%;max-width:none}}
@media(max-width:420px){.gaokao-top{font-size:11px;gap:12px;padding-bottom:17px;margin-bottom:23px}.gaokao-heading h1{font-size:28px}.gaokao-heading .section-eyebrow{font-size:8px;letter-spacing:1.6px}.gaokao-hero-copy{padding:25px 21px}.gaokao-hero-art{min-height:200px}.gaokao-hero h2{font-size:23px}.gaokao-art-caption{font-size:16px}.gaokao-stats{gap:7px}.gaokao-stats>div{padding:16px 7px}.gaokao-stats strong{font-size:25px}.gaokao-stats span{font-size:10px;line-height:1.8}.gaokao-card{grid-template-columns:88px minmax(0,1fr);padding:16px;gap:15px}.gaokao-text-cover{padding:10px 7px}.gaokao-cover-kicker{font-size:6px;letter-spacing:0}.gaokao-cover-number{font-size:20px;margin:7px 0 4px}.gaokao-text-cover strong{font-size:10px}.gaokao-cover-footer{font-size:6px;letter-spacing:0}.gaokao-card h3{font-size:17px}.gaokao-card-intro{font-size:11px}.gaokao-card-meta{font-size:10px}.gaokao-catalog-tools h2{font-size:22px}.gaokao-pagination{gap:15px}.gaokao-pagination p{font-size:11px}}
@media(forced-colors:active){.gaokao-text-cover,.gaokao-hero-copy,.gaokao-hero-art{background:Canvas}.gaokao-primary{border:1px solid ButtonText}.gaokao-art-caption{background:Canvas;color:CanvasText}.gaokao-hero-art:after{display:none}}