/* ========== Intro hero veil with FLIP-style morph ========== */ /* Three states on : .intro-active — veil visible, in-flow content hidden, scroll locked .intro-fading — JS has applied transforms; veil title is in transit toward the in-flow title; transition CSS drives the smooth animation .intro-done — morph finished; veil fades out and is removed. */ #intro-veil { display: none; } html.intro-active #intro-veil, html.intro-fading #intro-veil, html.intro-done #intro-veil { display: block; position: fixed; inset: 0; z-index: 9999; background: #ffffff; } /* Lock scroll while in intro / morphing. */ html.intro-active, html.intro-active body, html.intro-fading, html.intro-fading body { overflow: hidden; height: 100%; } /* Hide in-flow content only during the resting intro. Once morphing starts, the fixed white veil still covers the page, but the in-flow content is allowed to paint behind it so the final veil fade does not trigger a one-frame redraw. */ html.intro-active body > *:not(#intro-veil) { visibility: hidden; } html.intro-fading body > *:not(#intro-veil), html.intro-done body > *:not(#intro-veil) { visibility: visible; } #intro-veil { --intro-title-h: clamp(180px, 24vh, 250px); overflow: hidden; } @media (max-width: 900px) { #intro-veil { --intro-title-h: 220px; } } @media (max-width: 600px) { #intro-veil { --intro-title-h: 260px; } } @media (min-width: 701px) and (max-height: 620px) { #intro-veil { --intro-title-h: 170px; } } /* Bar — visual element at the top (white bg + thin bottom border). On scroll the bar fades out while the title morphs down into the in-flow hero. */ #intro-veil .intro-bar { position: absolute; top: 0; left: 0; right: 0; height: var(--intro-title-h); background: #ffffff; border-bottom: 1px solid #e5e5e7; } /* Title — centered inside its own positioned area so we can transform freely. It shares width, font metrics, and wrapping rules with .paper-title so the morph remains a pure translate with no scale or line-break shift. */ #intro-veil .intro-title-area { position: absolute; top: 0; left: 0; right: 0; min-height: var(--intro-title-h); display: flex; align-items: center; justify-content: center; padding: 1.2rem 1.25rem; pointer-events: none; z-index: 2; } .paper-title, #intro-veil .intro-title { margin: 0; text-align: center; font-family: 'Noto Serif', Georgia, 'Times New Roman', serif; font-weight: 700; font-size: 2.2rem; letter-spacing: 0; line-height: 1.2; color: var(--fg); width: var(--paper-title-width); max-width: 900px; min-width: 0; text-wrap: balance; overflow-wrap: anywhere; } #intro-veil .intro-title { animation: introFadeUp 0.8s cubic-bezier(0.2, 0.8, 0.2, 1) 0.12s both; transform-origin: center center; will-change: transform; } #intro-veil .intro-title sub { font-size: 0.7em; vertical-align: -0.2em; } #intro-veil .intro-title sup { font-size: 0.7em; vertical-align: 0.5em; } @media (max-width: 700px) { .paper-title, #intro-veil .intro-title { font-size: 1.6rem; } } /* Opening video wall — shown only in the intro veil. It fades with the veil; only the title participates in the FLIP morph. */ #intro-veil .intro-video-area { --intro-video-pad-x: 0.75rem; --intro-video-pad-top: 0.75rem; --intro-video-pad-bottom: 2.1rem; --intro-video-gap: 0.75rem; position: absolute; top: var(--intro-title-h); left: 0; right: 0; bottom: 0; display: flex; align-items: center; justify-content: center; padding: var(--intro-video-pad-top) var(--intro-video-pad-x) var(--intro-video-pad-bottom); } #intro-veil .intro-video-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--intro-video-gap); width: min( 100%, calc( (100vh - var(--intro-title-h) - var(--intro-video-pad-top) - var(--intro-video-pad-bottom) - var(--intro-video-gap)) * 16 / 9 + var(--intro-video-gap) ) ); height: auto; } #intro-veil .intro-video-grid video { width: 100%; height: auto; min-height: 0; aspect-ratio: 16 / 9; object-fit: contain; border-radius: var(--radius); background: #fff; box-shadow: 0 4px 24px rgba(0, 0, 0, 0.08); animation: introFadeUp 0.8s cubic-bezier(0.2, 0.8, 0.2, 1) both; } @media (max-height: 850px) { #intro-veil .intro-video-area { --intro-video-gap: 0.55rem; } } @media (max-width: 700px) { #intro-veil .intro-video-area { --intro-video-pad-x: 0.5rem; --intro-video-pad-top: 0.5rem; --intro-video-pad-bottom: 2rem; --intro-video-gap: 0.5rem; } } /* Subtle scroll hint at the very bottom. */ #intro-veil .intro-hint { position: absolute; bottom: 14px; left: 0; right: 0; margin: 0; text-align: center; color: #888; font-size: 0.78rem; letter-spacing: 0.12em; text-transform: uppercase; animation: introBounce 1.8s ease-in-out infinite, introFadeUp 0.8s cubic-bezier(0.2, 0.8, 0.2, 1) 0.32s both; transition: opacity 0.3s ease; } /* During morph: title transition gets enabled (target transform comes from inline styles set by JS). Hint fades out independently. */ html.intro-fading #intro-veil .intro-title { animation: none; transition: transform 0.95s cubic-bezier(0.32, 0, 0.13, 1); } html.intro-fading #intro-veil .intro-bar, html.intro-fading #intro-veil .intro-video-area, html.intro-fading #intro-veil .intro-hint { opacity: 0; transition: opacity 0.45s ease; } html.intro-done #intro-veil .intro-bar, html.intro-done #intro-veil .intro-video-area, html.intro-done #intro-veil .intro-hint { opacity: 0; visibility: hidden; transition: none; } /* When morph is complete, fade the whole veil so the in-flow content takes over seamlessly (the veil's title is at the in-flow position already). */ html.intro-done #intro-veil { opacity: 0; pointer-events: none; transition: opacity 0.35s ease; } @keyframes introFadeUp { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } } @keyframes introBounce { 0%, 100% { transform: translateY(0); opacity: 0.55; } 50% { transform: translateY(4px); opacity: 1; } } /* ========== Reset & base ========== */ *, *::before, *::after { box-sizing: border-box; } :root { --fg: #1a1a1a; --fg-muted: #555; --bg: #ffffff; --bg-alt: #f7f7f8; --border: #e5e5e7; --accent: #b11f3a; /* paper red */ --accent-soft: #fde4e9; --accent-blue: #2f5f8f; /* paper blue */ --max-width: 1100px; --narrow-width: 820px; --paper-title-width: min(900px, calc(100vw - 2.5rem)); --radius: 8px; } html { scroll-behavior: smooth; } body { margin: 0; font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif; font-size: 17px; line-height: 1.65; color: var(--fg); background: var(--bg); -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; } a { color: var(--accent); text-decoration: none; transition: color 0.15s ease; } a:hover { color: #8a1a2e; text-decoration: underline; } img, video { max-width: 100%; height: auto; display: block; } h1, h2, h3 { font-family: 'Noto Serif', Georgia, 'Times New Roman', serif; font-weight: 700; line-height: 1.25; color: var(--fg); margin: 0 0 0.5em; } h2 { font-size: 1.95rem; text-align: center; margin-bottom: 1.4em; } h3.subhead { font-size: 1.25rem; margin: 1.6em 0 0.6em; color: var(--fg); } p { margin: 0 0 1em; } code { font-family: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace; background: var(--bg-alt); padding: 0.1em 0.35em; border-radius: 4px; font-size: 0.92em; } em { color: var(--fg); } /* ========== Layout ========== */ .container { width: 100%; max-width: var(--max-width); margin: 0 auto; padding: 0 1.25rem; } .container.narrow { max-width: var(--narrow-width); } .section { padding: 4rem 0; border-top: 1px solid var(--border); } .section.alt { background: var(--bg-alt); } /* ========== Teaser at the very top ========== */ .teaser-top { padding: 1.75rem 0 0.5rem; background: #fff; } .teaser { max-width: 900px; margin: 0 auto; } .teaser img { border-radius: var(--radius); background: var(--bg-alt); } .teaser figcaption { margin-top: 0.5rem; max-width: 780px; } /* ========== Hero (title + authors) ========== */ .hero { padding: 1rem 0 3rem; text-align: center; border-top: none; } .paper-title { font-size: 2.2rem; margin: 0 auto 1.1rem; max-width: 900px; letter-spacing: 0; line-height: 1.2; } .paper-title sub { font-size: 0.7em; vertical-align: -0.2em; } .paper-title sup { font-size: 0.7em; vertical-align: 0.5em; } .method-name { color: var(--accent); } /* KaTeX inline math should match surrounding text size and weight, and \text{} should inherit the page's font (Noto Serif / Inter) instead of KaTeX_Main. KaTeX's own CSS uses `font:` shorthand which forces font-weight to normal — we override so

, , etc. carry through to LaST. */ .katex { font-size: 1em; font-weight: inherit; } .katex .text, .katex .mord.text { font-family: inherit; font-weight: inherit; } .authors { margin: 0.5rem 0 0.75rem; font-size: 1.05rem; } .author { display: inline-block; margin: 0 0.5em; } .author a { color: var(--fg); border-bottom: 1px dashed transparent; } .author a:hover { color: var(--accent); border-bottom-color: var(--accent); text-decoration: none; } .affiliations, .notes { color: var(--fg-muted); font-size: 0.95rem; margin-bottom: 0.4rem; } .affiliations span, .notes span { display: inline-block; margin: 0 0.6em; } .notes { font-size: 0.85rem; margin-bottom: 1.6rem; } /* ========== Buttons ========== */ .action-buttons { display: flex; justify-content: center; flex-wrap: wrap; gap: 0.6rem; margin-top: 0.5rem; } .btn { position: relative; display: inline-flex; align-items: center; gap: 0.5rem; padding: 0.55rem 1.1rem; background: var(--fg); color: #fff; border-radius: 999px; font-size: 0.95rem; font-weight: 500; border: none; cursor: pointer; transition: background 0.15s ease, transform 0.05s ease; } .btn:hover { background: #000; color: #fff; text-decoration: none; transform: translateY(-1px); } .btn-disabled { cursor: not-allowed; } .btn-disabled:hover { transform: none; } .btn-disabled::after { content: attr(data-tooltip); position: absolute; left: 50%; bottom: calc(100% + 0.6rem); transform: translateX(-50%) translateY(0.2rem); padding: 0.35rem 0.55rem; border-radius: 6px; background: #222; color: #fff; font-size: 0.75rem; line-height: 1; white-space: nowrap; opacity: 0; pointer-events: none; transition: opacity 0.15s ease, transform 0.15s ease; z-index: 10; } .btn-disabled::before { content: ""; position: absolute; left: 50%; bottom: calc(100% + 0.25rem); transform: translateX(-50%) translateY(0.2rem); border: 0.35rem solid transparent; border-top-color: #222; opacity: 0; pointer-events: none; transition: opacity 0.15s ease, transform 0.15s ease; z-index: 10; } .btn-disabled:hover::after, .btn-disabled:hover::before { opacity: 1; transform: translateX(-50%) translateY(0); } .btn.small { padding: 0.4rem 0.85rem; font-size: 0.85rem; } .btn i { font-style: normal; font-size: 0.95em; } /* ========== Stat callouts ========== */ .stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 1rem; margin: 0 auto 2.8rem; max-width: 1000px; } .stat { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 1.4rem 1rem; text-align: center; box-shadow: 0 1px 3px rgba(0, 0, 0, 0.03); } .stat-num { font-family: 'Noto Serif', Georgia, serif; font-size: 2.6rem; font-weight: 700; color: var(--accent); line-height: 1; } .stat-unit { font-size: 0.55em; color: var(--fg-muted); font-weight: 500; margin-left: 0.1em; } .stat-label { margin-top: 0.5rem; font-size: 0.92rem; color: var(--fg-muted); line-height: 1.4; } .stat.stat-text { display: flex; flex-direction: column; justify-content: center; } .stat.stat-text .stat-num { font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif; font-size: 1.55rem; line-height: 1.12; letter-spacing: 0; } .stat.stat-text .stat-label { max-width: 14rem; margin-left: auto; margin-right: auto; } .stat-label strong { color: var(--fg-muted); font-weight: 700; } /* ========== Figures & captions ========== */ figure { margin: 1.5rem 0; } figure img, figure video { width: 100%; border-radius: var(--radius); background: #fff; } figcaption { margin-top: 0.6rem; font-size: 0.92rem; color: var(--fg-muted); text-align: center; line-height: 1.55; max-width: 850px; margin-left: auto; margin-right: auto; } .lead { text-align: center; color: var(--fg-muted); margin: 0 auto 1.6rem; max-width: 780px; } .caption-lead { text-align: center; color: var(--fg-muted); font-size: 0.95rem; margin: 0 auto 1rem; } .caption-note { text-align: center; color: var(--fg-muted); font-size: 0.85rem; margin: 0.6rem auto 0; } .ours { color: var(--accent); font-weight: 600; } /* ========== Tables ========== */ .table-wrap { overflow-x: auto; margin: 0.5rem auto 1rem; max-width: 1000px; } .table-wrap.small { max-width: 800px; } .results-table { width: 100%; border-collapse: collapse; font-size: 0.93rem; background: #fff; border-radius: var(--radius); overflow: hidden; } .results-table thead th { background: #2a2a2a; color: #fff; font-weight: 600; padding: 0.75rem 0.9rem; text-align: center; font-size: 0.9rem; } .results-table thead th:first-child { text-align: left; } .results-table tbody td { padding: 0.55rem 0.9rem; border-bottom: 1px solid var(--border); text-align: center; } .results-table tbody td:first-child { text-align: left; font-weight: 500; } .results-table tbody tr:hover { background: var(--bg-alt); } .results-table tr.sep td { padding: 0; height: 4px; border-bottom: 2px solid #2a2a2a; } .results-table tr.ours-row { background: var(--accent-soft); } .results-table tr.ours-row td { font-weight: 600; } .results-table tr.ours-row:hover { background: var(--accent-soft); } .results-table tr.task-header td { background: #2a2a2a; color: #fff; text-align: left; font-size: 0.9rem; padding: 0.55rem 0.9rem; } .results-table tr.task-header:hover td { background: #2a2a2a; } .placeholder { color: #b8b8b8; font-style: italic; font-weight: 400; } /* Real-world tables — light unified palette: Methods cell + task-pair headers share a slightly darker tint (#f1f1f4); perturbation labels are a lighter tint (#fafafb); data rows are white; LaST-R1 stays pink. The 2px black vertical bar between task pairs mirrors the `|` from LaTeX `lcccc|cccc`. */ .real-world-table { margin-bottom: 1rem; background: #fff; border: 1px solid var(--border); } .real-world-table thead th { background: #fafafb; color: var(--fg); font-weight: 600; font-size: 0.88rem; border-bottom: 1px solid var(--border); } .real-world-table .task-pair-head { background: #f1f1f4; color: var(--fg); font-weight: 700; font-size: 0.97rem; letter-spacing: 0; padding: 0.7rem 0.9rem; } .real-world-table thead th[rowspan] { background: #f1f1f4; color: var(--fg); border-right: 2px solid #4a4a4a; /* anchor the Methods column */ font-weight: 700; width: 13rem; } /* The "|" separator from `lcccc|cccc` */ .real-world-table .pair-left-border { border-left: 2px solid #4a4a4a; } .real-world-table tbody td:first-child { background: #fafafb; font-weight: 500; border-right: 2px solid #4a4a4a; /* continues the Methods anchor down */ text-align: left; padding-left: 0.9rem; } .real-world-table tr.ours-row { background: var(--accent-soft); } .real-world-table tr.ours-row td:first-child { background: #f9d8de; color: var(--fg); } .real-world-table tr.ours-row:hover { background: var(--accent-soft); } /* Relative drop annotations next to OOD numbers, e.g. "75 (-15%)" */ .real-world-table .drop { color: var(--fg-muted); font-size: 0.78em; font-weight: 400; margin-left: 0.15em; } .real-world-table tr.ours-row .drop { /* Slightly muted on the highlighted row too, but keep some weight */ color: #6b3a45; } .real-world-table .warmup { color: var(--fg-muted); font-weight: 500; margin-right: 0.08em; } /* ========== Video grid (real-world rollouts) ========== */ .video-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 1rem; margin: 0.4rem 0 0.5rem; } .video-grid.one { /* Solo "Original Rollout" gets a wider single slot, capped */ grid-template-columns: minmax(0, 720px); justify-content: center; } .video-grid figure { margin: 0; } .video-grid video { aspect-ratio: 16 / 9; object-fit: cover; background: #1f2937; width: 100%; } .video-grid figcaption { font-size: 0.88rem; margin-top: 0.4rem; } .task-block { margin: 2rem 0 0; padding-top: 1.6rem; border-top: 1px dashed var(--border); } .task-block:first-of-type { border-top: none; padding-top: 0; } .task-block h3 { text-align: left; font-size: 1.2rem; margin: 0 0 0.4rem; } .task-block .task-tag { display: inline-block; margin-left: 0.6em; padding: 0.15em 0.55em; font-family: 'Inter', sans-serif; font-size: 0.7rem; font-weight: 500; letter-spacing: 0.04em; text-transform: uppercase; color: var(--fg-muted); background: var(--bg-alt); border: 1px solid var(--border); border-radius: 999px; vertical-align: 0.18em; } .task-block .task-meta { font-size: 0.9rem; color: var(--fg-muted); margin: 0 0 0.6rem; } .task-block .row-label { display: block; font-size: 0.85rem; font-weight: 600; color: var(--fg-muted); text-transform: uppercase; letter-spacing: 0.05em; margin: 1.2rem 0 0.5rem; } /* ========== Highlight callout (used after learning curves) ========== */ .callout-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 1rem; margin: 1.5rem auto 0; max-width: 900px; } .callout { background: #fff; border-left: 4px solid var(--accent); border-radius: 4px; padding: 1rem 1.2rem; box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04); } .callout .callout-title { display: flex; align-items: center; gap: 0.5rem; font-weight: 700; color: var(--accent); font-size: 1.05rem; margin-bottom: 0.3rem; white-space: nowrap; } .callout .callout-title i { font-size: 1.1em; } .callout p { margin: 0; font-size: 0.95rem; color: var(--fg); line-height: 1.55; } /* ========== Formulas (KaTeX display math) ========== */ .formula { margin: 1.2rem 0; padding: 0.6rem 0; text-align: center; overflow-x: auto; overflow-y: hidden; } .formula .katex-display { margin: 0; } .formula .katex { font-size: 1.1em; } /* ========== BibTeX ========== */ pre { background: #0f1115; color: #e6edf3; padding: 1.1rem 1.25rem; border-radius: var(--radius); overflow-x: auto; font-size: 0.88rem; line-height: 1.55; margin: 0 0 0.75rem; } pre code { background: none; padding: 0; color: inherit; } /* ========== Footer ========== */ footer { padding: 2rem 0 3rem; border-top: 1px solid var(--border); font-size: 0.9rem; color: var(--fg-muted); text-align: center; } /* ========== Responsive ========== */ @media (max-width: 700px) { .paper-title { font-size: 1.6rem; } h2 { font-size: 1.4rem; } .section { padding: 3rem 0; } .teaser-top { padding: 1.5rem 0 0.5rem; } .hero { padding: 1rem 0 2rem; } body { font-size: 16px; } .stat-num { font-size: 2.1rem; } .results-table { font-size: 0.82rem; } .results-table thead th, .results-table tbody td { padding: 0.5rem 0.55rem; } }