.ob-help { margin: 0; background: var(--ob-background); color: var(--ob-text-primary); font-family: "Public Sans", sans-serif; }
.ob-help-shell { width: min(1280px, calc(100% - 48px)); margin-inline: auto; }
.ob-help-header { background: var(--ob-card); border-bottom: 1px solid var(--ob-border); padding: 14px 0; }
.ob-help-brand { display: flex; align-items: center; gap: 18px; color: var(--ob-text-secondary); font-size: 13px; font-weight: 500; text-decoration: none; }
.ob-help-brand img { max-width: 112px; height: 28px; object-fit: contain; }
.ob-help-intro { display: flex; justify-content: space-between; align-items: center; gap: 20px; padding: 4px 0 20px; }
.ob-help-intro h1 { font-size: 1.35rem; font-weight: 600; margin-bottom: 6px; letter-spacing: -.025em; }
.ob-help-intro p { margin: 0; color: var(--ob-text-secondary); font-size: .85rem; }
.ob-help-search { display: grid; grid-template-columns: minmax(180px, 1fr) minmax(180px, 240px) auto auto; align-items: end; gap: 12px; padding: 12px 14px; margin-bottom: 16px; background: var(--ob-card); border: 1px solid var(--ob-border); border-radius: var(--ob-radius); box-shadow: var(--ob-shadow); }
.ob-help-search .form-label { font-size: .75rem; margin-bottom: 5px; }
.ob-help-search .form-control, .ob-help-search .form-select { font-size: .8rem; min-height: 36px; }
.ob-help .ob-help-search .ob-help-search-submit { min-height: 32px; height: 32px; padding: 4px 12px; font-size: 12px; box-shadow: none; align-self: end; margin-bottom: 2px; }
.ob-help-search-new { align-self: center; margin: 21px 0 0; white-space: nowrap; font-size: .78rem; }
.ob-help-grid { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 12px; }
.ob-help-tutorial.card { overflow: hidden; display: flex; flex-direction: column; margin: 0; border: 1px solid var(--ob-border); border-radius: var(--ob-radius-sm); box-shadow: var(--ob-shadow); background: var(--ob-card); }
.ob-help-cover { aspect-ratio: 16 / 9; position: relative; display: block; overflow: hidden; background: var(--ob-primary-soft); color: #fff; text-decoration: none; }
.ob-help-cover::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(10, 26, 18, .28), transparent 45%, rgba(10, 26, 18, .22)); pointer-events: none; }
.ob-help-cover > img { display: block; height: 100%; width: 100%; object-fit: cover; }
.ob-help-cover-placeholder { display: grid; height: 100%; place-items: center; color: var(--ob-primary); font-size: 30px; }
.ob-help-cover-status { position: absolute; top: 8px; left: 8px; z-index: 1; display: flex; gap: 5px; }
.ob-help-cover-status .badge { font-size: 10px; padding: 4px 6px; }
.ob-help-topic-badge { display: inline-block; max-width: calc(100% - 38px); padding: 5px 8px; border-radius: 5px; background: var(--ob-primary-soft); color: var(--ob-text-primary); font-size: 11px; font-weight: 600; line-height: 1.3; }
.ob-help-topic-badge:hover { color: var(--ob-primary-hover); }
.ob-help-topic-badge:focus-visible { outline: 2px solid var(--ob-primary-hover); outline-offset: 2px; }
.ob-help-cover-play { display: grid; place-items: center; position: absolute; top: 56%; left: 50%; transform: translate(-50%, -50%); width: 32px; height: 32px; border-radius: 50%; background: rgba(20, 45, 32, .78); color: #fff; z-index: 1; font-size: 15px; }
.ob-help-duration { position: absolute; right: 8px; bottom: 8px; z-index: 1; border-radius: 4px; background: rgba(0, 0, 0, .7); padding: 2px 4px; font-size: 10px; font-variant-numeric: tabular-nums; }
.ob-help-tutorial-body { padding: 9px 10px 8px; display: flex; flex-direction: column; flex: 1; }
.ob-help-tutorial-body p { color: var(--ob-text-secondary); font-size: 11px; line-height: 1.5; height: 2.1rem; margin: 0 0 6px; overflow: hidden; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; }
.ob-help-tutorial-actions { display: flex; align-items: center; justify-content: space-between; gap: 6px; margin-top: auto; }
.ob-help-window-action { display: inline-flex; justify-content: center; align-items: center; width: 30px; height: 30px; margin-left: auto; border-radius: 6px; border: 1px solid var(--ob-border); color: var(--ob-text-secondary); font-size: 17px; }
.ob-help-window-action:hover, .ob-help-window-action:focus-visible { background: var(--ob-primary-soft); color: var(--ob-primary-hover); border-color: var(--ob-primary); }
.ob-help-cover:focus-visible, .ob-help-window-action:focus-visible { outline: 2px solid var(--ob-primary-hover); outline-offset: 2px; }
.ob-help-empty { padding: 48px 20px; text-align: center; border: 1px dashed var(--ob-border); border-radius: var(--ob-radius); }
.ob-help-empty > i { display: block; font-size: 38px; color: var(--ob-primary); margin-bottom: 14px; }
.ob-help-watch { max-width: 1000px; margin-inline: auto; }
.ob-help-video { width: 100%; max-height: 68vh; aspect-ratio: 16 / 9; background: #000; border-radius: var(--ob-radius); display: block; }
.ob-help-player-controls { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 16px; align-items: center; padding-top: 16px; }
.ob-help-description { max-width: 75ch; border-top: 1px solid var(--ob-border); margin-top: 24px; padding-top: 20px; }
.ob-help [hidden] { display: none !important; }
@media (max-width: 1100px) { .ob-help-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); } .ob-help-search { grid-template-columns: minmax(180px, 1fr) minmax(160px, 210px); } .ob-help-search-new { margin-top: 0; } }
@media (max-width: 900px) { .ob-help-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
@media (max-width: 760px) { .ob-help-shell { width: calc(100% - 28px); } }
@media (max-width: 650px) { .ob-help-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 500px) { .ob-help-shell { width: calc(100% - 24px); } .ob-help-brand { gap: 8px; font-size: 12px; } .ob-help-brand img { max-width: 85px; height: 24px; } .ob-help-intro { flex-direction: column; align-items: start; gap: 12px; } .ob-help-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } .ob-help-search { grid-template-columns: 1fr; padding: 12px; gap: 10px; } }
@media (max-width: 380px) { .ob-help-grid { grid-template-columns: 1fr; } }