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@media(max-width:520px){.portal-category-grid,.portal-category-grid--knowledge{grid-template-columns:1fr}.portal-category-card,.portal-category-card--compact{min-height:0;padding:21px}.portal-category-card .topic-icon{width:44px;height:44px;margin-bottom:14px}.portal-empty-state{display:block}.portal-empty-state__icon{margin-bottom:16px}.portal-empty-state__actions{display:grid}.portal-empty-state__actions .button{width:100%}.portal-article-card__media{height:174px}.portal-hero__trust{display:grid;gap:7px}.portal-search .problem-search{font-size:.95rem;padding-left:16px}} @media(prefers-reduced-motion:reduce){.portal-category-card,.portal-article-card,.portal-article-card__media img,.portal-card__link span,.portal-concepts a{transition:none!important}} /* OPCD portal grid intrinsic-size guard */ .portal-article-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.portal-article-card,.portal-article-card__body,.portal-article-card__media{min-width:0}.portal-article-card__media img{max-width:100%} @media(max-width:900px){.portal-article-grid{grid-template-columns:repeat(2,minmax(0,1fr))}} @media(max-width:620px){.portal-article-grid{grid-template-columns:1fr}} /* OPCD homepage complete test hub - 2026-08-28 */ .home-help-section{ padding-top:58px; background:linear-gradient(180deg,rgba(0,229,242,.035),transparent 70%); } .home-help-section .steps{ display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:16px; } .home-test-hub{ position:relative; border-top:1px solid rgba(38,51,74,.55); border-bottom:1px solid rgba(38,51,74,.55); } .home-test-jump{ display:grid; grid-template-columns:repeat(5,minmax(0,1fr)); gap:10px; margin:22px 0 34px; } .home-test-jump__item{ display:flex; align-items:center; gap:10px; min-width:0; padding:13px 14px; border:1px solid var(--line); border-radius:12px; background:rgba(17,24,39,.72); color:var(--text); font-size:.84rem; font-weight:750; line-height:1.25; transition:border-color .18s,transform .18s,background .18s; } .home-test-jump__item:hover{ transform:translateY(-2px); border-color:var(--cyan); background:rgba(0,229,242,.07); color:var(--text); } .home-test-jump__icon{font-size:1.2rem;flex:0 0 auto} .home-test-jump__label{min-width:0;overflow-wrap:anywhere} .home-test-jump__count{ margin-left:auto; flex:0 0 auto; min-width:27px; padding:2px 7px; border-radius:999px; background:rgba(0,229,242,.12); color:var(--cyan); font-size:.72rem; font-weight:850; text-align:center; } .home-test-group{ scroll-margin-top:96px; padding:26px 0 30px; border-top:1px solid rgba(38,51,74,.72); } .home-test-group:first-of-type{border-top:0;padding-top:0} .home-test-group__head{ display:flex; align-items:center; gap:13px; margin-bottom:16px; } .home-test-group__icon{ display:grid; place-items:center; width:42px; height:42px; flex:0 0 42px; border:1px solid rgba(0,229,242,.2); border-radius:12px; background:rgba(0,229,242,.09); font-size:1.25rem; } .home-test-group__head h3{margin:0;font-size:1.22rem;color:var(--text)} .home-test-group__head p{margin:1px 0 0;color:var(--muted);font-size:.86rem} .home-test-grid{ display:grid; grid-template-columns:repeat(4,minmax(0,1fr)); gap:13px; } .home-test-card{ display:flex; min-width:0; min-height:172px; flex-direction:column; padding:18px; border:1px solid var(--line); border-radius:14px; background:linear-gradient(145deg,var(--surface),#0f1625); color:var(--text); box-shadow:0 10px 28px rgba(0,0,0,.1); transition:transform .18s,border-color .18s,box-shadow .18s; } .home-test-card:hover{ transform:translateY(-3px); border-color:var(--cyan); color:var(--text); box-shadow:0 15px 34px rgba(0,0,0,.2); } .home-test-card__icon{font-size:1.32rem;margin-bottom:9px} .home-test-card__body{display:flex;min-width:0;flex:1;flex-direction:column} .home-test-card__meta{ margin-bottom:5px; color:var(--cyan); font-size:.68rem; font-weight:850; letter-spacing:.06em; text-transform:uppercase; } .home-test-card h4{ margin:0 0 7px; font-size:.98rem; line-height:1.3; color:var(--text); } .home-test-card p{ margin:0; color:var(--muted); font-size:.82rem; line-height:1.45; } .home-test-card__action{ margin-top:auto; padding-top:11px; color:var(--cyan); font-size:.78rem; font-weight:800; } .home-test-hub__note{ display:flex; align-items:flex-start; gap:12px; margin-top:12px; padding:17px 18px; border:1px solid rgba(0,229,242,.18); border-radius:13px; background:rgba(0,229,242,.055); } .home-test-hub__note>span{color:var(--cyan);font-weight:900} .home-test-hub__note p{margin:0;color:var(--muted);font-size:.86rem} .home-test-hub__note strong{color:var(--text)} .home-test-group__count{ margin-left:auto; flex:0 0 auto; padding:4px 9px; border-radius:999px; background:rgba(0,229,242,.1); color:var(--cyan); font-size:.74rem; font-weight:850; } @media(max-width:1050px){ .home-test-jump{grid-template-columns:repeat(3,minmax(0,1fr))} .home-test-grid{grid-template-columns:repeat(3,minmax(0,1fr))} } @media(max-width:800px){ .home-help-section .steps{grid-template-columns:1fr} .home-test-jump{grid-template-columns:repeat(2,minmax(0,1fr))} .home-test-grid{grid-template-columns:repeat(2,minmax(0,1fr))} } @media(max-width:540px){ .home-help-section{padding-top:42px} .home-test-jump{ display:flex; overflow-x:auto; margin-inline:-14px; padding:0 14px 8px; scroll-snap-type:x proximity; -webkit-overflow-scrolling:touch; } .home-test-jump__item{min-width:190px;scroll-snap-align:start} .home-test-grid{grid-template-columns:1fr} .home-test-card{min-height:0;padding:17px} .home-test-group{padding:22px 0 25px} .home-test-group__head{align-items:flex-start} } /* OPCD mobile jump scrollbar polish */ @media(max-width:540px){.home-test-jump{scrollbar-width:none}.home-test-jump::-webkit-scrollbar{display:none}} /* OPCD compact homepage test catalog - 2026-08-28 */ .home-test-jump{margin-bottom:20px} .home-test-compact-grid{ display:grid; grid-template-columns:repeat(5,minmax(0,1fr)); gap:10px; } .home-test-card.home-test-card--compact{ display:flex; min-width:0; min-height:62px; flex-direction:row; align-items:center; gap:10px; padding:11px 13px; border-radius:12px; box-shadow:none; } .home-test-card.home-test-card--compact:hover{ transform:translateY(-2px); box-shadow:0 10px 24px rgba(0,0,0,.16); } .home-test-card--compact .home-test-card__icon{ display:grid; place-items:center; width:32px; height:32px; flex:0 0 32px; margin:0; border-radius:9px; background:rgba(0,229,242,.08); font-size:1.05rem; } .home-test-card__title{ min-width:0; color:var(--text); font-size:.82rem; font-weight:760; line-height:1.25; overflow-wrap:anywhere; } .home-test-card__arrow{ margin-left:auto; flex:0 0 auto; color:var(--cyan); font-size:.86rem; font-weight:900; } .home-test-hub__note{ align-items:center; margin-top:16px; padding:12px 14px; } .home-test-hub__note p{font-size:.8rem;line-height:1.45} @media(max-width:1050px){ .home-test-compact-grid{grid-template-columns:repeat(4,minmax(0,1fr))} } @media(max-width:800px){ .home-test-compact-grid{grid-template-columns:repeat(2,minmax(0,1fr))} } @media(max-width:540px){ .home-test-compact-grid{grid-template-columns:1fr;gap:8px} .home-test-card.home-test-card--compact{min-height:54px;padding:9px 11px} .home-test-card--compact .home-test-card__icon{width:30px;height:30px;flex-basis:30px} }