/* Useful information remains visible while content is loading, then becomes a compact home-page tip. */
.home-loading{display:flex;flex-direction:column;justify-content:center;align-items:center;gap:12px;padding:34px 20px;text-align:center}.home-loading p{margin:0}.loading-icon{width:30px;height:30px;color:var(--blue);animation:loading-spin 1s linear infinite}.loading-tip{max-width:540px;margin-top:4px;padding:15px 18px;border:1px solid var(--line);border-radius:15px;background:var(--surface-2);color:var(--muted);font-size:14px;line-height:1.55}.loading-tip strong{display:block;margin-bottom:3px;color:var(--blue-700);font-size:13px}.did-you-know{display:grid;grid-template-columns:42px minmax(0,1fr) auto;gap:12px;align-items:start;max-width:620px;margin-top:16px;padding:15px 16px;border:1px solid var(--line);border-radius:17px;background:var(--surface-2)}.did-you-know-icon{width:42px;height:42px;display:grid;place-items:center;border-radius:13px;background:var(--surface);color:var(--blue-700);box-shadow:0 6px 18px rgba(16,44,82,.07)}.did-you-know-icon svg{width:21px;height:21px}.did-you-know strong{display:block;color:var(--ink);font-size:13px;line-height:1.35}.did-you-know p{margin:3px 0 7px;color:var(--text);font-size:14px;line-height:1.5}.did-you-know a{display:inline-flex;align-items:center;gap:6px;color:var(--blue-700);font-size:13px;font-weight:800;text-decoration:none}.did-you-know a:hover{text-decoration:underline}.did-you-know-next{width:34px;height:34px;display:grid;place-items:center;padding:0;border:0;border-radius:10px;background:transparent;color:var(--blue-700);cursor:pointer}.did-you-know-next:hover{background:var(--surface);box-shadow:0 4px 12px rgba(16,44,82,.08)}.did-you-know-next svg{width:18px;height:18px}@keyframes loading-spin{to{transform:rotate(360deg)}}
@media (max-width:520px){.did-you-know{grid-template-columns:38px minmax(0,1fr) auto;padding:13px}.did-you-know-icon{width:38px;height:38px;border-radius:12px}.did-you-know p{font-size:13px}.loading-tip{font-size:13px}}
@media (prefers-reduced-motion:reduce){.loading-icon{animation:none}}

/* Three-second entry screen and structured article components. */
.preload-screen{display:none}.has-js .preload-screen{position:fixed;inset:0;z-index:1000;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:28px;background:var(--bg);color:var(--ink);text-align:center}.preload-screen.is-leaving{animation:preload-fade .26s ease forwards;pointer-events:none}.preload-orbit{position:relative;display:grid;place-items:center;width:72px;height:72px;margin-bottom:18px;border-radius:50%;background:var(--blue-soft);color:var(--blue);box-shadow:0 0 0 14px color-mix(in srgb,var(--blue) 7%,transparent)}.preload-orbit::before,.preload-orbit::after{position:absolute;inset:-12px;border:1px solid color-mix(in srgb,var(--blue) 30%,transparent);border-radius:inherit;content:"";animation:preload-pulse 1.6s ease-in-out infinite}.preload-orbit::after{animation-delay:.8s}.preload-orbit svg{width:28px;height:28px}.preload-wordmark{margin:0;color:var(--blue-700);font-size:13px;font-weight:850;letter-spacing:.08em;text-transform:uppercase}.preload-screen h1{max-width:620px;margin:8px 0 6px;font-size:clamp(32px,5vw,54px);line-height:1.05;letter-spacing:-.045em}.preload-status{margin:0;color:var(--muted);font-size:15px}.preload-tip{max-width:520px;margin:28px 0 18px;padding:15px 18px;border:1px solid var(--line);border-radius:16px;background:var(--surface-2);text-align:left}.preload-tip strong{display:block;margin-bottom:4px;color:var(--blue-700);font-size:13px}.preload-tip p{margin:0;color:var(--text);font-size:14px;line-height:1.55}.preload-meter{width:min(320px,100%);height:5px;overflow:hidden;border-radius:99px;background:var(--line)}.preload-meter span{display:block;width:100%;height:100%;transform-origin:left;background:var(--blue);animation:preload-progress 3s linear both}.preload-skip{margin-top:18px;padding:8px;border:0;background:transparent;color:var(--blue-700);font:inherit;font-size:13px;font-weight:800;cursor:pointer;text-decoration:underline;text-underline-offset:4px}.preload-skip:focus-visible{outline:3px solid color-mix(in srgb,var(--blue) 35%,transparent);outline-offset:4px;border-radius:6px}@keyframes preload-progress{from{transform:scaleX(0)}to{transform:scaleX(1)}}@keyframes preload-pulse{0%,100%{opacity:.25;transform:scale(.92)}50%{opacity:.8;transform:scale(1)}}@keyframes preload-fade{to{opacity:0;visibility:hidden}}.site-footer .footer-inner{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:start}.site-footer .site-credit{grid-column:1/-1}
.article-body .kb-choice-list{display:grid;gap:0;margin:24px 0;border-top:1px solid var(--line)}.kb-choice-list dt{padding:15px 0 3px;color:var(--ink);font-weight:850}.kb-choice-list dd{margin:0;padding:0 0 15px;color:var(--text);border-bottom:1px solid var(--line)}.kb-video-label{margin:0 0 6px!important;color:var(--blue-700)!important;font-size:12px!important;font-weight:850!important;letter-spacing:.07em;text-transform:uppercase}.kb-hours,.kb-platforms{margin:0 0 32px}.kb-hours>div:first-child,.kb-platforms>div:first-child{margin-bottom:18px}.kb-hours h2,.kb-platforms h2{margin:0!important}.kb-hours p,.kb-platforms p{margin:7px 0 0!important;color:var(--muted)}.kb-table-wrap{overflow:auto;border:1px solid var(--line);border-radius:18px;background:var(--surface);scrollbar-color:var(--blue) transparent}.kb-table-wrap:focus-visible{outline:3px solid color-mix(in srgb,var(--blue) 35%,transparent);outline-offset:3px}.kb-table-wrap table{width:100%;min-width:590px;border-collapse:collapse;font-size:14px}.kb-table-wrap th,.kb-table-wrap td{padding:16px 18px;text-align:left;vertical-align:middle;border-bottom:1px solid var(--line)}.kb-table-wrap thead th{background:#104c7e;color:#fff;font-size:13px}.kb-table-wrap tbody tr:last-child>*{border-bottom:0}.kb-table-wrap tbody tr:nth-child(even){background:var(--surface-2)}.kb-table-wrap tbody th{color:var(--ink);font-weight:800}.kb-platform-table table{min-width:690px}.kb-platform-table th:not(:first-child),.kb-platform-table td{text-align:center}.kb-status{display:inline-flex;align-items:center;justify-content:center;gap:5px;min-width:64px;padding:6px 8px;border-radius:11px;font-size:12px;font-weight:850}.kb-status svg{width:15px;height:15px;stroke-width:3}.kb-status-yes{background:#dff4ed;color:#08795f}.kb-status-no{background:#fbe9eb;color:#b4232d}.kb-install-callout{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-top:18px;padding:20px;border:1px solid color-mix(in srgb,var(--blue) 24%,var(--line));border-radius:18px;background:var(--blue-soft)}.kb-install-callout h3{margin:0;color:var(--ink);font-size:18px}.kb-install-callout p{max-width:560px;margin:5px 0 0;color:var(--text);font-size:14px;line-height:1.55}.kb-install-steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;list-style:none;margin:14px 0 0;padding:0}.kb-install-steps li{display:grid;gap:4px;padding:14px;border:1px solid var(--line);border-radius:14px;background:var(--surface-2)}.kb-install-steps strong{color:var(--ink);font-size:14px}.kb-install-steps span{color:var(--muted);font-size:13px;line-height:1.45}
.kb-video-card{display:grid;grid-template-columns:minmax(0,.7fr) minmax(280px,1.3fr);gap:20px;align-items:center;margin:32px 0;padding:22px;border:1px solid var(--line);border-radius:20px;background:var(--surface-2)}.kb-video-card h2{margin:0!important;font-size:25px!important}.kb-video-copy>p:not(.kb-video-label){margin:8px 0 0;color:var(--muted);font-size:14px;line-height:1.55}.kb-text-action{display:inline-flex;align-items:center;gap:7px;margin-top:14px;color:var(--blue-700);font-size:14px;font-weight:850;text-decoration:none}.kb-text-action:hover{text-decoration:underline}.kb-video-frame{position:relative;overflow:hidden;aspect-ratio:16/9;border-radius:14px;background:#071a2b}.kb-video-frame iframe{position:absolute;inset:0;width:100%;height:100%;border:0}.kb-db-hub{margin:0 0 32px;border:1px solid var(--line);border-radius:20px;overflow:hidden;background:var(--surface)}.kb-db-intro{display:flex;align-items:end;justify-content:space-between;gap:20px;padding:24px 24px 18px;background:var(--surface-2)}.kb-db-intro h2{margin:0!important}.kb-db-intro p:not(.kb-video-label){max-width:620px;margin:7px 0 0;color:var(--muted)}.kb-db-tabs{display:flex;gap:8px;overflow-x:auto;padding:12px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--surface)}.kb-db-tab{flex:0 0 auto;min-height:42px;padding:8px 13px;border:1px solid var(--line);border-radius:999px;background:var(--surface);color:var(--muted);font:inherit;font-size:13px;font-weight:800;cursor:pointer}.kb-db-tab:hover,.kb-db-tab.is-active{border-color:var(--blue);background:var(--blue);color:#fff}.kb-db-tab:focus-visible{outline:3px solid color-mix(in srgb,var(--blue) 35%,transparent);outline-offset:2px}.kb-db-panel{padding:24px}.kb-db-head{display:flex;align-items:start;justify-content:space-between;gap:16px}.kb-db-head h3{margin:2px 0 0!important}.kb-db-type{margin:0;color:var(--blue-700);font-size:12px;font-weight:850;text-transform:uppercase;letter-spacing:.06em}.kb-db-panel>p{max-width:660px;margin:16px 0 0}.kb-db-access{display:grid;gap:3px;margin-top:17px;padding:14px 16px;border-radius:14px;background:var(--surface-2)}.kb-db-access strong{color:var(--ink);font-size:13px}.kb-db-access span{color:var(--muted);font-size:14px;line-height:1.5}
.kb-subject-guide{margin:0 0 32px;border:1px solid var(--line);border-radius:20px;overflow:hidden;background:var(--surface-2)}.kb-subject-guide-copy{padding:24px}.kb-subject-guide-copy h2{margin:0!important}.kb-subject-guide-copy>p:not(.kb-video-label){margin:7px 0 0;color:var(--muted)}.kb-subject-guide-frame{position:relative;min-height:600px;border-top:1px solid var(--line);background:#0c2135}.kb-subject-guide-frame iframe{position:absolute;inset:0;width:100%;height:100%;border:0}.kb-rotate-notice{display:none}.kb-contact-list{display:grid;gap:10px;margin:22px 0}.kb-contact-list a{display:grid;gap:3px;padding:16px 18px;border:1px solid var(--line);border-radius:15px;background:var(--surface-2);color:var(--ink);text-decoration:none}.kb-contact-list a:hover{border-color:color-mix(in srgb,var(--blue) 40%,var(--line));background:var(--blue-soft)}.kb-contact-list strong{font-size:15px}.kb-contact-list span{color:var(--muted);font-size:14px;overflow-wrap:anywhere}.kb-campus-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin:22px 0}.kb-campus-grid section{padding:18px;border:1px solid var(--line);border-radius:16px;background:var(--surface-2)}.kb-campus-grid h2{margin:0!important;font-size:20px!important}.kb-campus-grid p{margin:12px 0 3px!important;color:var(--ink);font-size:14px}.kb-campus-grid address{color:var(--muted);font-size:14px;font-style:normal;line-height:1.55}.kb-feedback-intro{margin:24px 0;padding:20px;border-left:4px solid var(--blue);border-radius:0 16px 16px 0;background:var(--blue-soft)}.kb-feedback-intro h2{margin:0!important;font-size:24px!important}.kb-feedback-intro .kb-list{margin-bottom:0}
@media (max-width:820px){.has-js .preload-screen{padding:24px 18px}.preload-screen h1{font-size:38px}.site-footer .footer-inner{grid-template-columns:1fr}.kb-install-callout,.kb-db-intro,.kb-db-head{display:grid;align-items:start}.kb-install-callout .kb-btn,.kb-db-intro .kb-btn,.kb-db-head .kb-btn{justify-self:start}.kb-install-steps{grid-template-columns:1fr}.kb-video-card{grid-template-columns:1fr}.kb-subject-guide-frame{min-height:520px}.kb-campus-grid{grid-template-columns:1fr}}
@media (max-width:600px){.kb-table-wrap{border-radius:15px}.kb-table-wrap table{min-width:520px;font-size:13px}.kb-table-wrap th,.kb-table-wrap td{padding:14px 13px}.kb-platform-table{overflow:visible;border:0;background:transparent}.kb-platform-table table,.kb-platform-table thead,.kb-platform-table tbody,.kb-platform-table tr,.kb-platform-table th,.kb-platform-table td{display:block;min-width:0}.kb-platform-table thead{position:absolute;overflow:hidden;width:1px;height:1px;clip:rect(0 0 0 0);white-space:nowrap}.kb-platform-table tbody{display:grid;gap:12px}.kb-platform-table tr{overflow:hidden;border:1px solid var(--line);border-radius:15px;background:var(--surface)}.kb-platform-table tbody tr:nth-child(even){background:var(--surface)}.kb-platform-table tbody th{padding:14px 14px 9px;border:0;background:var(--surface-2);text-align:left}.kb-platform-table td{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:10px 14px;border:0;border-top:1px solid var(--line);text-align:left}.kb-platform-table td::before{content:attr(data-label);color:var(--muted);font-size:13px;font-weight:750}.kb-status{min-width:68px}.kb-subject-guide-frame{min-height:270px}.kb-subject-guide-frame iframe{display:none}.kb-rotate-notice{position:absolute;inset:0;display:grid;align-content:center;justify-items:center;gap:10px;padding:30px;color:#fff;text-align:center}.kb-rotate-notice svg{width:32px;height:32px}.kb-rotate-notice strong{font-size:17px}.kb-rotate-notice span{max-width:270px;color:#c8d9e7;font-size:14px;line-height:1.5}}
@media (prefers-reduced-motion:reduce){.preload-orbit::before,.preload-orbit::after,.preload-meter span{animation:none}.preload-meter span{transform:scaleX(1)}}

/* Preload follows the scientific hero language: shared grid, navy canvas, blue signal and the same UFM brand lockup. */
.has-js .preload-screen{isolation:isolate;overflow:hidden;background:var(--sci-bg);background:radial-gradient(circle at 50% 44%,color-mix(in srgb,var(--sci-blue) 10%,transparent),transparent 34%),var(--sci-bg)}
.preload-grid{position:absolute;inset:0;z-index:-2;background-image:linear-gradient(color-mix(in srgb,var(--sci-blue) 12%,transparent) 1px,transparent 1px),linear-gradient(90deg,color-mix(in srgb,var(--sci-blue) 12%,transparent) 1px,transparent 1px);background-size:28px 28px;mask-image:linear-gradient(to bottom,transparent,#000 18%,#000 82%,transparent)}
.preload-screen::before{position:absolute;inset:0;z-index:-3;background:linear-gradient(135deg,color-mix(in srgb,var(--sci-blue) 7%,transparent),transparent 42%),linear-gradient(315deg,color-mix(in srgb,var(--sci-cyan) 6%,transparent),transparent 44%);content:""}
.preload-content{display:flex;flex-direction:column;align-items:center;width:min(620px,100%);text-align:center}
.preload-orbit{width:64px;height:64px;margin-bottom:15px;background:var(--blue-soft);box-shadow:0 0 0 12px color-mix(in srgb,var(--blue) 7%,transparent),0 0 48px color-mix(in srgb,var(--blue) 15%,transparent)}
.preload-orbit svg{width:25px;height:25px;stroke-width:1.7}
.preload-wordmark{color:var(--blue-700);font-size:11px;letter-spacing:.16em}
.preload-screen h1{margin:8px 0 9px;font-size:clamp(34px,5vw,58px);font-weight:850;line-height:.98;letter-spacing:-.055em}
.preload-screen h1 span{color:var(--sci-blue)}
.preload-status{font-size:15px}
.preload-tip{display:grid;grid-template-columns:auto 1fr;gap:6px 10px;width:min(470px,100%);margin:25px 0 17px;padding:14px 16px;border-color:color-mix(in srgb,var(--sci-blue) 24%,var(--line));background:color-mix(in srgb,var(--surface-2) 86%,transparent);box-shadow:var(--sci-shadow);text-align:left}
.preload-tip strong{display:flex;grid-column:1/-1;align-items:center;gap:7px;margin:0;color:var(--blue-700);letter-spacing:.01em}
.preload-tip strong svg{width:16px;height:16px}
.preload-tip p{font-size:13px}
.preload-meter{width:min(470px,100%);height:4px;background:var(--line)}
.preload-meter span{background:linear-gradient(90deg,var(--sci-blue),var(--sci-cyan))}
.preload-footer{display:flex;align-items:center;justify-content:space-between;width:min(470px,100%);gap:18px;margin-top:14px;color:var(--muted);font-size:11px;letter-spacing:.04em;text-transform:uppercase}
.preload-skip{display:inline-flex;align-items:center;gap:7px;margin:0;padding:7px 0;color:var(--blue-700);font-size:12px;text-decoration:none}
.preload-skip svg{width:15px;height:15px;transition:transform .2s ease}
.preload-skip:hover svg{transform:translateX(3px)}
.preload-circuit{position:absolute;z-index:-1;width:190px;height:190px;border:1px solid color-mix(in srgb,var(--sci-blue) 18%,transparent);border-radius:50%;opacity:.7}
.preload-circuit::before,.preload-circuit::after{position:absolute;width:6px;height:6px;border:2px solid var(--sci-blue);border-radius:50%;background:var(--sci-bg);content:""}
.preload-circuit::before{top:20px;right:20px}.preload-circuit::after{bottom:28px;left:10px}
.preload-circuit-one{top:12%;left:8%;animation:preload-float 5s ease-in-out infinite}.preload-circuit-two{right:8%;bottom:12%;width:130px;height:130px;animation:preload-float 6s ease-in-out -2s infinite}
@keyframes preload-float{50%{transform:translateY(-8px) rotate(12deg)}}
@media (max-width:600px){.preload-content{padding-inline:2px}.preload-screen h1{font-size:39px}.preload-status{font-size:14px}.preload-tip{margin-top:22px}.preload-footer{align-items:flex-start;font-size:10px}.preload-circuit{transform:scale(.65);opacity:.5}.preload-circuit-one{top:7%;left:-70px}.preload-circuit-two{right:-48px;bottom:9%}}

/* Interactive loading screen */
.preload-orbit img{display:block;width:58px;height:auto;object-fit:contain}.preload-actions{display:flex;align-items:center;gap:8px}.preload-pause{padding:8px 10px;border:1px solid var(--line);border-radius:999px;background:var(--surface);color:var(--blue-700);font:inherit;font-weight:800;cursor:pointer}.preload-pause:hover{border-color:var(--blue);background:var(--blue-soft)}.preload-screen.is-paused :is(.preload-orbit::before,.preload-orbit::after,.preload-meter span){animation-play-state:paused}.preload-screen.is-paused .preload-status::after{content:" · đã tạm dừng"}.preload-meter span{animation-duration:var(--preload-duration,3000ms)}

/* Database tab logos */
.kb-db-tab{display:inline-flex;align-items:center;justify-content:center;gap:8px}.kb-db-tab img{width:26px;height:24px;flex:0 0 auto;padding:2px;border:1px solid color-mix(in srgb,var(--line) 70%,transparent);border-radius:7px;background:#fff;object-fit:contain}.kb-db-tab.is-active img{border-color:rgba(255,255,255,.65)}

/* Keep every database source discoverable without relying on a hidden horizontal scroll gesture. */
.kb-db-tabs{display:grid;grid-template-columns:repeat(auto-fit,minmax(145px,1fr));gap:8px;overflow:visible;padding:12px}.kb-db-tab{width:100%;min-width:0;justify-content:space-between;border-radius:13px;text-align:left;line-height:1.25}.kb-db-tab span{min-width:0}.kb-db-tab img{margin-left:auto}

/* Partner libraries */
.kb-library-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin:22px 0 34px}.kb-library-card{display:grid;grid-template-columns:76px minmax(0,1fr);gap:15px;align-items:center;min-height:132px;padding:16px;border:1px solid var(--line);border-radius:18px;background:var(--surface-2)}.kb-library-logo{display:grid;place-items:center;width:76px;height:76px;padding:8px;border:1px solid var(--line);border-radius:15px;background:#fff}.kb-library-logo img{display:block;width:100%;height:100%;object-fit:contain}.kb-library-card h3{margin:0 0 8px!important;font-size:16px!important;line-height:1.35}.kb-library-card a{display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:800;text-decoration:none}.kb-library-card a:hover{text-decoration:underline}

/* Campus introductions */
.kb-campus-feature{display:grid;grid-template-columns:minmax(220px,.72fr) minmax(0,1.28fr);gap:24px;align-items:center;margin:0 0 24px;padding:22px;border:1px solid var(--line);border-radius:22px;background:var(--surface-2)}.kb-campus-feature-copy h2{margin:4px 0 9px!important}.kb-campus-feature-copy>p:not(.kb-video-label){margin:0 0 14px!important;color:var(--muted)}.kb-campus-feature-copy>a,.kb-campus-links a{color:var(--blue-700);font-weight:750}.kb-campus-feature figure{margin:0}.kb-campus-feature figure img{display:block;width:100%;max-height:520px;border-radius:15px;object-fit:cover}.kb-campus-feature figcaption{margin-top:8px;color:var(--muted);font-size:12px}.kb-campus-video{position:relative;overflow:hidden;padding-top:56.25%;border-radius:15px;background:#071a2d}.kb-campus-video iframe{position:absolute;inset:0;width:100%;height:100%;border:0}.kb-campus-feature--pending{min-height:260px}.kb-campus-placeholder{display:grid;min-height:210px;place-items:center;border:1px dashed var(--line-strong);border-radius:15px;background:var(--surface);color:var(--muted);font-weight:750;text-align:center}.kb-campus-links{display:flex;flex-wrap:wrap;gap:12px}

/* Page progress and counters */
.back-to-top{position:fixed;right:24px;bottom:88px;z-index:240;width:58px;height:58px;padding:0;border:0;border-radius:50%;background:#071d35;color:#fff;box-shadow:0 12px 28px rgba(2,37,74,.25);cursor:pointer}.back-to-top[hidden]{display:none}.back-to-top svg{position:absolute;inset:0;width:100%;height:100%;transform:rotate(-90deg)}.back-to-top circle{fill:none;stroke-width:2}.back-to-top-track{stroke:rgba(255,255,255,.2)}.back-to-top-progress{stroke:#66d5ff;stroke-dasharray:100.53;stroke-dashoffset:100.53;stroke-linecap:round}.back-to-top>span{display:block;margin-top:-5px;font-size:21px;font-weight:900;line-height:1}.back-to-top small{display:block;margin-top:2px;font-size:9px;font-weight:800}.back-to-top:hover{background:#0b65c7}.site-metrics{white-space:normal}.site-metrics strong{color:var(--ink)}

@media (max-width:700px){.preload-footer{align-items:center;flex-direction:column}.preload-actions{width:100%;justify-content:center}.kb-db-tabs{grid-template-columns:repeat(2,minmax(0,1fr));padding:10px}.kb-db-tab{padding:8px 10px;font-size:12px}.kb-library-grid{grid-template-columns:1fr}.kb-campus-feature{grid-template-columns:1fr;padding:16px}.kb-campus-feature-copy{order:0}.kb-campus-feature figure,.kb-campus-video,.kb-campus-placeholder{order:1}.back-to-top{right:16px;bottom:76px;width:52px;height:52px}}
@media (prefers-reduced-motion:reduce){.preload-circuit-one,.preload-circuit-two{animation:none}.preload-skip svg{transition:none}}
.preload-meter span { animation-duration: var(--preload-duration, 2000ms); }

/* Book and textbook sales */
.kb-purchase-links{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin:22px 0 34px}.kb-purchase-links a{display:grid;gap:4px;padding:17px 18px;border:1px solid var(--line);border-radius:16px;background:var(--surface-2);color:var(--ink);text-decoration:none}.kb-purchase-links a:hover{border-color:var(--blue);background:var(--blue-soft)}.kb-purchase-links strong{font-size:14px}.kb-purchase-links span{color:var(--muted);font-size:12.5px;line-height:1.45}.kb-policy-notice{margin:18px 0 34px;padding:20px;border-left:4px solid var(--blue);border-radius:0 17px 17px 0;background:var(--blue-soft)}.kb-policy-notice>strong{display:block;margin-bottom:7px;color:var(--ink);font-size:16px}.kb-policy-notice p{margin:8px 0!important;font-size:15px}.kb-sales-table table{min-width:850px}.kb-sales-table td,.kb-sales-table th{line-height:1.5}.kb-sales-table thead th{white-space:nowrap}.kb-sales-table .kb-table-section th{padding:11px 18px;background:var(--blue-soft);color:var(--blue-700);font-size:13px;letter-spacing:.04em;text-transform:uppercase}.kb-sales-table a{font-weight:800;white-space:nowrap}
@media (max-width:700px){.kb-purchase-links{grid-template-columns:1fr}.kb-sales-table{overflow:visible;border:0;background:transparent}.kb-sales-table table,.kb-sales-table thead,.kb-sales-table tbody,.kb-sales-table tr,.kb-sales-table th,.kb-sales-table td{display:block;min-width:0}.kb-sales-table thead{position:absolute;overflow:hidden;width:1px;height:1px;clip:rect(0 0 0 0);white-space:nowrap}.kb-sales-table tbody{display:grid;gap:12px}.kb-sales-table tr:not(.kb-table-section){overflow:hidden;border:1px solid var(--line);border-radius:15px;background:var(--surface)}.kb-sales-table tr:not(.kb-table-section)>*{display:grid;grid-template-columns:92px minmax(0,1fr);gap:12px;padding:10px 13px;border:0;border-top:1px solid var(--line);text-align:left}.kb-sales-table tr:not(.kb-table-section)>*:first-child{border-top:0}.kb-sales-table tr:not(.kb-table-section)>*::before{content:attr(data-label);color:var(--muted);font-size:12px;font-weight:750}.kb-sales-table .kb-table-section th{border:0;border-radius:11px}}
@media (min-width:701px) and (max-width:1100px){.kb-sales-table{overflow:visible;border:0;background:transparent}.kb-sales-table table,.kb-sales-table thead,.kb-sales-table tbody,.kb-sales-table tr,.kb-sales-table th,.kb-sales-table td{display:block;min-width:0}.kb-sales-table thead{position:absolute;overflow:hidden;width:1px;height:1px;clip:rect(0 0 0 0);white-space:nowrap}.kb-sales-table tbody{display:grid;gap:12px}.kb-sales-table tr:not(.kb-table-section){overflow:hidden;border:1px solid var(--line);border-radius:15px;background:var(--surface)}.kb-sales-table tr:not(.kb-table-section)>*{display:grid;grid-template-columns:92px minmax(0,1fr);gap:12px;padding:10px 13px;border:0;border-top:1px solid var(--line);text-align:left}.kb-sales-table tr:not(.kb-table-section)>*:first-child{border-top:0}.kb-sales-table tr:not(.kb-table-section)>*::before{content:attr(data-label);color:var(--muted);font-size:12px;font-weight:750}.kb-sales-table .kb-table-section th{border:0;border-radius:11px}}

/* Library services */
.kb-services-grid{counter-reset:service;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin:22px 0 0;padding:0;list-style:none}.kb-services-grid li{counter-increment:service;position:relative;min-height:170px;margin:0;padding:22px 20px 20px;border:1px solid var(--line);border-radius:18px;background:var(--surface-2)}.kb-services-grid li::before{content:counter(service,decimal-leading-zero);display:grid;place-items:center;width:36px;height:28px;margin-bottom:17px;border-radius:9px;background:var(--blue-soft);color:var(--blue-700);font-size:11px;font-weight:900;letter-spacing:.06em}.kb-services-grid strong{display:block;color:var(--ink);font-size:17px;line-height:1.3}.kb-services-grid p{margin:8px 0 0!important;color:var(--text);font-size:14px;line-height:1.58}.kb-services-grid li:hover{border-color:color-mix(in srgb,var(--blue) 38%,var(--line));background:color-mix(in srgb,var(--blue-soft) 42%,var(--surface))}
@media (max-width:700px){.kb-services-grid{grid-template-columns:1fr}.kb-services-grid li{min-height:0;padding:18px}.kb-services-grid li::before{margin-bottom:12px}}