* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --page-content-width: 80%;
    --page-content-max: 1320px;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: "Outfit", system-ui, -apple-system, sans-serif;
    line-height: 1.6;
    color: #333;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    padding: 20px;
}

button,
input,
select,
textarea {
    font-family: inherit;
}

.container {
    width: var(--page-content-width);
    max-width: var(--page-content-max);
    margin: 0 auto;
    background: white;
    padding: 40px;
    border-radius: 15px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
}

header {
    text-align: center;
    margin-bottom: 30px;
    padding-bottom: 30px;
    border-bottom: 3px solid #4a90e2;
}

.nav-bar {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    padding: 25px 30px;
    border-radius: 10px;
    margin-bottom: 40px;
    box-shadow: 0 2px 8px rgba(74, 144, 226, 0.15);
    border-left: 5px solid #4a90e2;
}

.nav-bar .nav-bar-title {
    margin: 0 0 20px;
    padding-bottom: 15px;
    border-bottom: 2px solid #4a90e2;
    color: #2980b9;
    font-size: clamp(1.45rem, 2.6vw, 1.95rem);
    font-weight: 700;
    line-height: 1.28;
}

.nav-link {
    padding: 6px 14px;
    background: white;
    color: #2c3e50;
    text-decoration: none;
    border-radius: 999px;
    font-weight: 500;
    transition: all 0.3s ease;
    font-size: 0.9em;
    display: inline-block;
    line-height: 1.2;
    white-space: nowrap;
}

.nav-link:hover {
    background: #4a90e2;
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 2px 8px rgba(74, 144, 226, 0.3);
}

.nav-section-title {
    font-weight: 700;
    font-size: 1.1em;
    color: #2980b9;
    margin-bottom: 8px;
}

.nav-section {
    margin-bottom: 15px;
}

.nav-subsection {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.nav-subsection > span {
    flex-basis: 100%;
    padding: 4px 0;
    line-height: 1.2;
}

h1 {
    font-size: 2.5em;
    color: #2c3e50;
    margin-bottom: 20px;
    font-weight: 700;
}

.authors {
    font-size: 1.2em;
    color: #7f8c8d;
    margin-bottom: 10px;
    font-style: normal;
}

.author a {
    color: #2c3e50;
    text-decoration: none;
    font-weight: 700;
    transition: all 0.3s ease;
    position: relative;
}

.author a:hover {
    color: #4a90e2;
}

.author a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -2px;
    left: 50%;
    background-color: #4a90e2;
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

.author a:hover::after {
    width: 100%;
}


.conference {
    font-size: 1.1em;
    color: #95a5a6;
    margin-bottom: 25px;
}

.links {
    display: flex;
    gap: 15px;
    justify-content: center;
    margin-top: 25px;
    flex-wrap: wrap;
}

.button {
    display: inline-block;
    padding: 12px 24px;
    background: linear-gradient(135deg, #4a90e2 0%, #357abd 100%);
    color: white;
    text-decoration: none;
    border-radius: 25px;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(74, 144, 226, 0.3);
    font-size: 0.95em;
}

.button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(74, 144, 226, 0.4);
    background: linear-gradient(135deg, #357abd 0%, #2868a8 100%);
}

.button-with-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.45em;
}

.button-icon-fa {
    font-size: 1.15em;
    line-height: 1;
    flex-shrink: 0;
}

.button-icon-img {
    width: 1.15em;
    height: 1.15em;
    flex-shrink: 0;
    object-fit: contain;
}

.abstract {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    padding: 35px;
    border-radius: 12px;
    margin-bottom: 50px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    border-left: 5px solid #4a90e2;
}

.abstract h2 {
    color: #2980b9;
    font-size: 1.8em;
    margin-bottom: 20px;
    border-bottom: none;
}

.abstract p {
    font-size: 1.05em;
    line-height: 1.8;
    color: #2c3e50;
    text-align: justify;
}

.teaser {
    margin: 40px 0;
}

.teaser-container {
    text-align: center;
    background: transparent;
    padding: 0;
    border-radius: 0;
    box-shadow: none;
}

.teaser-gif {
    width: 100%;
    max-width: min(100%, 768px);
    height: auto;
    display: block;
    margin: 0 auto;
    border: 1px solid #d9dde3;
    border-radius: 10px;
    box-shadow: 0 4px 18px rgba(0, 0, 0, 0.08);
    background: #000;
}

.main-result-scale-figure {
    margin: 0 auto 12px;
}

.figure-container--paradigm.main-result-scale-figure {
    max-width: 1100px;
}

.teaser-video-section {
    margin-top: 8px;
    text-align: left;
}

.teaser-track-title {
    font-weight: 700;
    text-align: center;
    margin: 28px 0 14px;
    color: #2c3e50;
    font-size: 1.05em;
}

.teaser-subtrack-title {
    font-weight: 600;
    text-align: center;
    margin: 18px 0 10px;
    color: #4a5568;
    font-size: 0.95em;
    letter-spacing: 0.01em;
}

.teaser-subtrack-title::before,
.teaser-subtrack-title::after {
    content: "—";
    color: #cbd5e0;
    margin: 0 0.5em;
    font-weight: 400;
}

.teaser-sync-video {
    width: 100%;
    display: block;
    border-radius: 5px;
    background: transparent;
    aspect-ratio: 16 / 9;
    object-fit: contain;
}

.teaser-sync-video::-webkit-media-controls,
.teaser-sync-video::-webkit-media-controls-enclosure {
    display: none !important;
}

.local-file-warning {
    font-size: 0.88em;
    color: #8a5a00;
    margin: 18px auto 0;
    text-align: center;
    max-width: 720px;
    line-height: 1.5;
    padding: 0 12px;
}

.local-file-warning code {
    font-size: 0.92em;
    background: rgba(0, 0, 0, 0.06);
    padding: 2px 6px;
    border-radius: 4px;
}

.overview {
    margin: 50px 0;
}

.overview h2 {
    color: #2980b9;
    font-size: 2em;
    margin-bottom: 40px;
    text-align: center;
}

.method-subsection {
    margin-bottom: 50px;
}

.method-subsection h3 {
    color: #34495e;
    font-size: 1.5em;
    margin-bottom: 25px;
    text-align: center;
}

.method-title-one-line {
    text-align: center;
    white-space: nowrap;
}

.method-overview-points {
    list-style: none;
    padding: 0;
    margin: 0 0 8px;
    text-align: left;
    color: #2c3e50;
    line-height: 1.75;
}

.method-overview-points > li {
    position: relative;
    padding-left: 1.35rem;
    margin-bottom: 1.15em;
}

.method-overview-points > li:last-child {
    margin-bottom: 0;
}

.method-overview-points > li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.55em;
    width: 0.45em;
    height: 0.45em;
    border-radius: 50%;
    background: #4a90e2;
    box-shadow: 0 0 0 2px rgba(74, 144, 226, 0.2);
}

.method-point-title {
    font-weight: 700;
    font-size: 1.05em;
    color: #2980b9;
    margin-right: 0.25em;
}

.method-sub-points {
    list-style: none;
    counter-reset: method-sub;
    padding: 0;
    margin: 0.6em 0 0.2em 0;
}

.method-sub-points > li {
    position: relative;
    counter-increment: method-sub;
    padding-left: 2.2rem;
    margin-bottom: 0.55em;
    line-height: 1.7;
}

.method-sub-points > li:last-child {
    margin-bottom: 0;
}

.method-sub-points > li::before {
    content: counter(method-sub);
    position: absolute;
    left: 0;
    top: 0.15em;
    width: 1.5em;
    height: 1.5em;
    border-radius: 50%;
    background: #eaf2fb;
    color: #2980b9;
    font-weight: 700;
    font-size: 0.85em;
    display: flex;
    align-items: center;
    justify-content: center;
}

.figure-container {
    background: white;
    padding: 25px;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    text-align: center;
}

.figure-container--paradigm {
    max-width: 780px;
    margin-left: auto;
    margin-right: auto;
}

.figure-container--main-result {
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.figure-container--main-result.main-result-figure {
    max-width: 100%;
    text-align: left;
    background: transparent;
    padding: 8px 0 0;
    box-shadow: none;
    border-radius: 0;
}

/* Card around 1.3B bidirectional + causal qualitative block (inside flat main-result-figure) */
.main-result-1-3b-comparison {
    max-width: 100%;
    margin-left: auto;
    margin-right: auto;
    text-align: left;
    padding: clamp(18px, 2.5vw, 28px);
}

.main-result-1-3b-figure-caption {
    margin-top: 16px;
    margin-bottom: 0;
    padding: 0 2px;
}

.main-result-scale-figure .main-result-fig1-caption {
    margin: 16px 0 0;
    padding: 0 4px;
}

.base-model-preservation-intro {
    margin-top: 0;
    margin-bottom: 6px;
}

.base-model-preservation-examples {
    margin-top: 10px;
    margin-bottom: 22px;
}

/* Wider than default paradigm figures (780px) so backward-sim comparison reads larger */
.base-model-preservation-examples.figure-container--paradigm {
    max-width: 100%;
    padding: clamp(22px, 3vw, 36px);
}

.main-result-anystep-intro {
    margin-top: 0;
    margin-bottom: 6px;
}

.base-preservation-prompt {
    text-align: left;
    margin: 12px 0 18px;
    padding: 14px 16px;
    background: #f4f8fc;
    border-radius: 8px;
    border-left: 4px solid #4a90e2;
}

.base-preservation-prompt-label {
    display: block;
    font-weight: 700;
    font-size: 0.82em;
    color: #2980b9;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin-bottom: 8px;
}

.base-preservation-prompt-text {
    margin: 0;
    font-size: 0.92em;
    line-height: 1.55;
    color: #2c3e50;
}

.base-model-placeholder-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: clamp(12px, 2vw, 20px);
    text-align: left;
}

.base-model-placeholder-cell {
    min-width: 0;
}

.base-model-placeholder-cell .video-label {
    margin-top: 8px;
    text-align: center;
}

/* Base model preservation: teacher (left) + two student rows (consistency / flow map) */
/* Chrome: grid/flex items default min-width:auto; video intrinsic width can blow up columns.
   Safari often shrinks more aggressively — set min-width:0 through the chain for parity. */
.base-preservation-comparison {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.85fr);
    gap: clamp(18px, 2.5vw, 32px);
    align-items: start;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
}

.base-preservation-comparison > * {
    min-width: 0;
}

.base-preservation-teacher {
    min-width: 0;
    max-width: 100%;
}

.base-preservation-col-title {
    font-weight: 700;
    font-size: 0.9em;
    color: #2980b9;
    margin: 0 0 4px;
    text-align: center;
}

.base-preservation-comparison .teaser-sync-video {
    width: 100%;
    max-width: 100%;
    min-width: 0;
    height: auto;
    border-radius: 4px;
    vertical-align: bottom;
    box-sizing: border-box;
}

.base-preservation-student-rows {
    display: flex;
    flex-direction: column;
    gap: clamp(20px, 2.2vw, 28px);
    min-width: 0;
}

.base-preservation-method-row {
    display: grid;
    grid-template-columns: minmax(120px, 220px) minmax(0, 1fr);
    gap: clamp(14px, 1.8vw, 20px);
    align-items: start;
    min-width: 0;
    width: 100%;
}

.base-preservation-comparison .main-result-sync-cell {
    min-width: 0;
}

.base-preservation-row-label {
    font-weight: 700;
    font-size: 0.78em;
    color: #2980b9;
    line-height: 1.3;
    text-align: right;
    padding-top: 1.85rem;
}

.base-preservation-row-videos {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: clamp(12px, 1.8vw, 22px);
    min-width: 0;
}

@media (max-width: 900px) {
    .base-model-placeholder-grid {
        grid-template-columns: 1fr;
    }

    .base-preservation-comparison {
        grid-template-columns: 1fr;
    }

    .base-preservation-method-row {
        grid-template-columns: 1fr;
    }

    .base-preservation-row-label {
        text-align: center;
        padding-top: 0;
        margin-bottom: 4px;
    }
}

/* Main Result sync: 2 rows × 3 videos (model × NFEs), full width, no cards */
.main-result-sync-stack {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-bottom: 8px;
}

.main-result-sync-row {
    display: grid;
    grid-template-columns: minmax(76px, 100px) minmax(0, 1fr);
    gap: 14px;
    align-items: start;
}

.main-result-sync-y-label {
    font-weight: 700;
    font-size: 0.85em;
    color: #2980b9;
    line-height: 1.25;
    text-align: right;
    padding-top: 1.85rem;
}

.main-result-sync-row-cells {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: clamp(10px, 1.4vw, 18px);
    min-width: 0;
}

.main-result-sync-cell {
    min-width: 0;
    display: flex;
    flex-direction: column;
    align-items: stretch;
}

.main-result-nfe-chip {
    text-align: center;
    font-weight: 700;
    color: #2980b9;
    font-size: 0.82em;
    margin-bottom: 6px;
    letter-spacing: 0.02em;
}

.figure-container--main-result.main-result-figure .main-result-sync-stack .teaser-sync-video {
    width: 100%;
    border-radius: 4px;
    background: transparent;
}

@media (max-width: 720px) {
    .main-result-sync-row {
        grid-template-columns: 1fr;
    }

    .main-result-sync-y-label {
        text-align: center;
        padding-top: 0;
        margin-bottom: 4px;
    }

    .main-result-sync-row-cells {
        grid-template-columns: 1fr;
    }
}

/* Downstream 1.1: keep 3 per row, larger playable area */
#large-scale-results .video-grid {
    gap: 14px;
    margin-bottom: 28px;
}

#large-scale-results .video-container {
    padding: 10px 10px 12px;
}

#large-scale-results .video-container:hover {
    transform: translateY(-2px);
}

#large-scale-results .video-container video {
    aspect-ratio: 16 / 9;
    object-fit: contain;
}

/* Causal 1.1 T2V: emphasized lead line above the grid */
.causal-t2v-lead-caption {
    margin-top: 0;
    margin-bottom: 14px;
    padding: 14px 16px;
    text-align: left;
    background: #f0f7fc;
    border-radius: 8px;
    border-left: 4px solid #4a90e2;
    color: #2c3e50;
    font-size: 0.98em;
    line-height: 1.55;
    box-shadow: 0 1px 4px rgba(74, 144, 226, 0.12);
}

.causal-t2v-lead-caption strong {
    color: #1a6cad;
    font-weight: 700;
}

/* Causal 1.1 T2V: 4-up sync rows, no video cards */
.causal-t2v-matrix {
    display: flex;
    flex-direction: column;
    gap: 22px;
    margin-top: 8px;
}

.causal-t2v-grid--headers {
    margin-bottom: -6px;
}

.causal-t2v-label--header {
    text-align: center;
    font-weight: 700;
    font-size: 0.82em;
    color: #2c5282;
    line-height: 1.25;
    padding: 0 4px;
}

/* 1.1 T2V: emphasize our method column header (text color only) */
.causal-t2v-label--header.causal-t2v-label--ours {
    color: #1a6cad;
}

.causal-t2v-label--header.causal-t2v-label--ours .method-nfe-tag {
    color: #2980b9;
}

.method-nfe-tag {
    font-weight: 600;
    color: #5a6b7c;
    white-space: nowrap;
}

.causal-t2v-row-block {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.causal-t2v-row-heading {
    margin: 0;
    font-size: 0.88em;
    font-weight: 600;
    color: #4a5568;
    cursor: default;
}

.causal-t2v-sync {
    margin: 0;
}

.causal-t2v-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: clamp(8px, 1.2vw, 14px);
    align-items: start;
}

.causal-t2v-cell {
    min-width: 0;
    display: flex;
    flex-direction: column;
    align-items: stretch;
}

.causal-t2v-cell .teaser-sync-video {
    width: 100%;
    display: block;
    border-radius: 4px;
    background: transparent;
    aspect-ratio: 16 / 9;
    object-fit: contain;
}

.causal-t2v-label {
    text-align: center;
    margin-top: 6px;
    font-size: 0.82em;
    font-weight: 600;
    color: #4a5568;
    line-height: 1.3;
}

@media (max-width: 900px) {
    .causal-t2v-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 480px) {
    .causal-t2v-grid {
        grid-template-columns: 1fr;
    }
}

/* Causal 1.2 I2V: 3-up sync rows (Wan I2V / FastVideo / AnyFlow-FAR) */
.causal-i2v-matrix {
    display: flex;
    flex-direction: column;
    gap: 22px;
    margin-top: 8px;
}

.causal-i2v-grid--headers {
    margin-bottom: -6px;
}

.causal-i2v-sync {
    margin: 0;
}

.causal-i2v-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: clamp(8px, 1.2vw, 14px);
    align-items: start;
}

.causal-i2v-cell {
    min-width: 0;
    display: flex;
    flex-direction: column;
    align-items: stretch;
}

.causal-i2v-cell .teaser-sync-video {
    width: 100%;
    display: block;
    border-radius: 4px;
    background: transparent;
    aspect-ratio: 16 / 9;
    object-fit: contain;
}

@media (max-width: 720px) {
    .causal-i2v-grid {
        grid-template-columns: 1fr;
    }
}

/* Causal 1.3 V2V: 2×2 grid (AnyFlow-FAR V2V samples) */
.causal-v2v-matrix {
    display: flex;
    flex-direction: column;
    gap: 22px;
    margin-top: 8px;
}

.causal-v2v-sync {
    margin: 0;
}

.causal-v2v-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: clamp(8px, 1.2vw, 14px);
    align-items: start;
}

.causal-v2v-cell {
    min-width: 0;
    display: flex;
    flex-direction: column;
    align-items: stretch;
}

.causal-v2v-cell .teaser-sync-video {
    width: 100%;
    display: block;
    border-radius: 4px;
    background: transparent;
    aspect-ratio: 16 / 9;
    object-fit: contain;
}

@media (max-width: 720px) {
    .causal-v2v-grid {
        grid-template-columns: 1fr;
    }
}

/* Bidirectional 14B T2V: 2-up sync rows (rCM vs AnyFlow) */
.bidir-t2v-matrix {
    display: flex;
    flex-direction: column;
    gap: 22px;
    margin-top: 8px;
}

.bidir-t2v-grid--headers {
    margin-bottom: -6px;
}

.bidir-t2v-sync {
    margin: 0;
}

.bidir-t2v-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: clamp(8px, 1.2vw, 14px);
    align-items: start;
}

.bidir-t2v-cell {
    min-width: 0;
    display: flex;
    flex-direction: column;
    align-items: stretch;
}

.bidir-t2v-cell .teaser-sync-video {
    width: 100%;
    display: block;
    border-radius: 4px;
    background: transparent;
    aspect-ratio: 16 / 9;
    object-fit: contain;
}

@media (max-width: 560px) {
    .bidir-t2v-grid {
        grid-template-columns: 1fr;
    }
}

/* Downstream 3.2: condition image + before / after (3 columns) */
.downstream-ft-matrix {
    display: flex;
    flex-direction: column;
    gap: 22px;
    margin-top: 8px;
}

.downstream-ft-grid--headers {
    margin-bottom: -6px;
}

.downstream-ft-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr) minmax(0, 1fr);
    gap: clamp(8px, 1.2vw, 14px);
    align-items: center;
}

.downstream-ft-cell {
    min-width: 0;
    display: flex;
    flex-direction: column;
    align-items: stretch;
}

.downstream-ft-condition-img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 4px;
    aspect-ratio: 16 / 9;
    object-fit: contain;
    background: #eef2f6;
}

@media (max-width: 720px) {
    .downstream-ft-matrix .causal-t2v-row-block {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        padding-bottom: 6px;
    }

    .downstream-ft-matrix .downstream-ft-grid {
        grid-template-columns: minmax(120px, 28vw) minmax(0, 42vw) minmax(0, 42vw);
        min-width: min(100%, 640px);
    }

    .downstream-ft-matrix .downstream-ft-grid--headers {
        grid-template-columns: minmax(120px, 28vw) minmax(0, 42vw) minmax(0, 42vw);
        min-width: min(100%, 640px);
    }
}

.video-placeholder {
    width: 100%;
    aspect-ratio: 16 / 9;
    background: linear-gradient(145deg, #eef2f6 0%, #dfe6ee 100%);
    border: 1px dashed #9aaaba;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #5a6a7d;
    font-size: 0.92em;
    font-weight: 600;
    text-align: center;
    padding: 12px;
    box-sizing: border-box;
}

.downstream-major {
    margin-bottom: 48px;
}

.downstream-pipeline-figure {
    margin-top: 4px;
    margin-bottom: 8px;
}

.downstream-major > h2 {
    margin-top: 0;
}

/* Slightly smaller than .nav-bar-title (Large-Scale …) */
#large-scale-results .downstream-major > h2 {
    font-size: clamp(1.32rem, 2.35vw, 1.72rem);
}

.method-figure {
    max-width: 100%;
    height: auto;
    border-radius: 6px;
    margin-bottom: 15px;
}

.figure-caption {
    color: #555;
    font-size: 0.95em;
    line-height: 1.6;
    text-align: left;
    margin-top: 15px;
    padding: 0 10px;
}

.figure-caption--center {
    text-align: center;
}

.author {
    display: inline-block;
    margin: 0 5px;
}

.affiliations {
    font-size: 1em;
    color: #7f8c8d;
    margin: 10px 0 20px 0;
}

.affiliations sup {
    margin-right: 5px;
}

.institution-logos {
    display: flex;
    justify-content: center;
    align-items: flex-end;
    flex-wrap: wrap;
    gap: clamp(22px, 4vw, 42px);
    margin: 4px 0 18px;
    padding: 0 8px;
    min-height: 58px;
}

.institution-logo {
    display: block;
    height: auto;
    width: auto;
    max-height: 56px;
    max-width: min(260px, 34vw);
    object-fit: contain;
    object-position: bottom center;
}

/* NVIDIA / MIT assets read smaller at equal max-height; nudge up to match NUS */
.institution-logo--nvidia {
    max-height: 62px;
    max-width: min(280px, 38vw);
}

.institution-logo--nus {
    max-height: 56px;
}

.institution-logo--mit {
    max-height: 60px;
    max-width: min(200px, 30vw);
}

.author-text {
    color: #2c3e50;
    font-weight: 700;
}

.author-footnote {
    font-size: 0.95em;
    color: #7f8c8d;
    margin: 0 0 16px 0;
}

.bibtex {
    background: #f8f9fa;
    padding: 35px;
    border-radius: 12px;
    margin-bottom: 40px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    border-left: 5px solid #4a90e2;
}

.bibtex h2 {
    color: #2980b9;
    font-size: 1.8em;
    margin-bottom: 20px;
    border-bottom: none;
}

.bibtex > p {
    color: #555;
    margin-bottom: 20px;
    font-size: 1.05em;
}

.bibtex-box {
    background: #2c3e50;
    border-radius: 8px;
    padding: 20px;
    position: relative;
    overflow-x: auto;
}

.bibtex-box pre {
    margin: 0;
    color: #ecf0f1;
    font-family: "Roboto Mono", ui-monospace, "Courier New", monospace;
    font-size: 0.95em;
    line-height: 1.6;
}

.bibtex-box code {
    color: #ecf0f1;
}

.copy-btn {
    position: absolute;
    top: 15px;
    right: 15px;
    padding: 8px 16px;
    background: #4a90e2;
    color: white;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.9em;
    font-weight: 600;
    transition: all 0.3s ease;
    z-index: 10;
}

.copy-btn:hover {
    background: #357abd;
    transform: translateY(-2px);
}

.copy-btn:active {
    transform: translateY(0);
}

section {
    margin-bottom: 60px;
}

h2 {
    font-size: 2em;
    color: #2c3e50;
    margin-bottom: 30px;
    padding-bottom: 10px;
    border-bottom: 2px solid #ecf0f1;
}

h3 {
    font-size: 1.5em;
    color: #34495e;
    margin-bottom: 20px;
    margin-top: 30px;
}

.subsection-title {
    font-size: 1.4em;
    color: #2c3e50;
    margin-top: 0;
    margin-bottom: 15px;
}

.video-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-bottom: 40px;
}

.video-container {
    background: #f8f9fa;
    padding: 15px;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.video-container:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 15px rgba(0, 0, 0, 0.2);
}

.video-container video {
    width: 100%;
    border-radius: 5px;
    background: transparent;
}

.video-label {
    text-align: center;
    margin-top: 10px;
    font-weight: 600;
    color: #555;
    font-size: 0.95em;
}

.subsection {
    background: #fafafa;
    padding: 25px;
    border-radius: 10px;
    margin-bottom: 30px;
    border-left: 4px solid #4a90e2;
}

.subsection p {
    margin-bottom: 20px;
    color: #555;
}

.subsection p.note {
    color: #777;
    font-style: italic;
}

footer {
    text-align: center;
    margin-top: 60px;
    padding: 30px;
    border-top: 2px solid #ecf0f1;
    color: #7f8c8d;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    border-radius: 10px;
    font-size: 0.95em;
}

footer p {
    margin: 5px 0;
}

footer a {
    color: #4a90e2;
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
}

footer a:hover {
    color: #2868a8;
    text-decoration: underline;
}

@media (max-width: 1024px) {
    .video-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .video-grid {
        grid-template-columns: 1fr;
    }
    
    .links {
        flex-direction: column;
        align-items: center;
    }
    
    .button {
        width: 80%;
        text-align: center;
    }
    
    h1 {
        font-size: 1.8em;
    }

    .method-title-one-line {
        white-space: normal;
        font-size: 1.2em;
        line-height: 1.35;
    }
    
    h2 {
        font-size: 1.5em;
    }
    
    .container {
        width: 100%;
        max-width: 100%;
        padding: 20px;
    }
    
    .abstract, .overview {
        padding: 20px;
    }
    
    .teaser-container {
        padding: 0;
    }
    
    .figure-container {
        padding: 15px;
    }
    
    .figure-caption {
        font-size: 0.9em;
    }

}