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.portal-metrics{padding-top:35px}.metrics-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin:0 0 20px}.metrics-grid>div{padding:22px;background:#fff;border-top:3px solid var(--cyan)}.metrics-grid dt{font-size:14px;color:var(--muted)}.metrics-grid dd{font-size:34px;font-weight:700;margin:10px 0 0}.portal-metrics>p{font-size:13px;color:var(--muted);line-height:1.8;margin-top:9px}.metrics-note{max-width:900px}.portal-footer{max-width:1160px;margin:0 auto;padding:0 30px 35px;display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;font-size:13px;color:var(--muted)}
.poster-heading{max-width:850px;margin:0 auto 30px}.poster-heading h1{margin-top:15px}.poster-heading>p{line-height:1.8}.poster-actions{display:flex;gap:25px;flex-wrap:wrap;margin:22px 0;font-size:15px}.poster-figure{margin:0 auto;max-width:920px}.poster-figure img{display:block;max-width:100%;height:auto;width:100%;background:white;border:1px solid var(--line)}.poster-figure figcaption{font-size:13px;line-height:1.8;color:var(--muted);margin:18px 0}
.course-feedback{max-width:1000px;margin:45px auto;padding:32px 30px;background:white;border:1px solid var(--line);border-radius:12px}.feedback-intro h2{font-size:27px;margin:13px 0}.feedback-intro>p:last-child{font-size:15px;color:var(--muted);line-height:1.8}.reactions{display:flex;align-items:center;gap:16px;flex-wrap:wrap;margin:24px 0}.reactions button{border:1px solid var(--line);background:var(--soft);border-radius:7px;padding:11px 17px;font-size:15px}.reactions button[aria-pressed="true"]{background:var(--blue);color:white;border-color:var(--blue)}.reactions span{margin-left:10px;font-variant-numeric:tabular-nums}.reactions a{font-size:13px}.comment-form fieldset{border:0;padding:0;margin:0;min-width:0}.comment-form legend{font-size:18px;font-weight:700;margin-bottom:18px}.comment-form label{display:block;font-size:15px;font-weight:700;margin-bottom:9px}.comment-form label span{font-weight:400;font-size:12px;color:var(--muted);margin-left:10px}.comment-form input,.comment-form textarea{display:block;max-width:100%;width:100%;border:1px solid var(--line);border-radius:6px;background:#fbfdff;padding:12px;color:var(--navy)}.comment-form textarea{font:15px/1.7 "PingFang SC","Microsoft YaHei",sans-serif;resize:vertical}.comment-form input{font:15px "PingFang SC","Microsoft YaHei",sans-serif}.comment-form input:focus-visible,.comment-form textarea:focus-visible{outline:3px solid var(--blue);outline-offset:2px}.comment-optional{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:20px}.contact-note{font-size:13px;color:var(--muted);margin:17px 0;line-height:1.8}.comment-form button{border:0;background:var(--blue);color:white;padding:12px 24px;border-radius:6px;font-weight:700}.feedback-status{font-size:14px;color:var(--blue);min-height:22px;margin-top:16px;line-height:1.7}.comment-list{list-style:none;margin:22px 0 0;padding:0}.comment-list li{border-top:1px solid var(--line);padding:19px 0}.comment-heading{display:flex;justify-content:space-between;gap:16px;margin-bottom:10px;font-size:14px}.comment-heading time{color:var(--muted);font-size:12px}.comment-list p{white-space:pre-wrap;overflow-wrap:anywhere;font-size:15px;line-height:1.85}.empty-comments{font-size:14px;color:var(--muted)}
@media(max-width:850px){.deck-controls{flex-wrap:wrap}.deck-start{flex-basis:100%;justify-content:space-between;border-bottom:1px solid var(--line);padding-bottom:10px}.portal-shell,.poster-shell{padding:30px 20px}.portal-intro{padding:8px 0 35px}.portal-intro h1{font-size:48px}.portal-intro .lead{font-size:19px}.course-row{grid-template-columns:1fr}.course-summary{padding:26px 24px}.course-summary h3{font-size:29px}.learning-route{padding:12px 20px}.course-materials{padding:20px 24px;gap:17px}.metrics-grid{grid-template-columns:1fr 1fr;gap:12px}.metrics-grid>div{padding:18px}.metrics-grid dd{font-size:29px}.portal-footer{padding:0 20px 28px}.course-feedback{margin:25px 16px;padding:24px 20px}.feedback-intro h2{font-size:23px}.comment-optional{grid-template-columns:1fr;gap:17px}.comment-heading{flex-wrap:wrap;gap:7px}.poster-actions{font-size:14px;gap:15px}}
@media(max-width:850px){body[data-page-id]{padding-bottom:0}html.js body[data-page-id$=":slides"]{padding-bottom:145px}.comment-form input,.comment-form textarea,.comment-form button{scroll-margin-bottom:145px}}
.comment-heading strong{min-width:0;max-width:100%;overflow-wrap:anywhere}

/* Original portrait poster is fitted in full; it is the first course page. */
.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap;border:0}
.slide.kind-cover{background:white;padding:0;min-height:0}
.cover-poster{display:block;width:100%;height:min(690px,calc(100svh - 220px));object-fit:contain}
.cover-resources{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:12px 24px;padding:14px 20px;border-top:1px solid var(--line);font-size:13px}
.cover-resources span{color:var(--muted)}
.portal-intro{max-width:100%}
.portal-intro h1{font-size:clamp(34px,4.5vw,60px)}
.portal-intro h1 span{display:inline-block;white-space:nowrap}
.portal-intro>p:not(.lead){color:var(--muted);font-size:16px}
#site-metrics{scroll-margin-top:24px}
@media(max-width:850px){.cover-poster{height:auto;max-height:none}.cover-resources{font-size:12px;gap:10px 16px}.portal-intro h1{font-size:clamp(34px,8.5vw,48px)}}
@media print{.cover-poster{height:auto;max-height:none}.cover-resources{display:none}}