* {
    box-sizing: border-box
}

html {
    scroll-behavior: smooth
}

body {
    margin: 0;
    color: #fff;
    font-family: "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
    background: #408aff url('../assets/images/background-pc.jpg') center top/100% 100% no-repeat
}

button,
a {
    -webkit-tap-highlight-color: transparent
}

a {
    color: inherit;
    text-decoration: none
}

button {
    font: inherit;
    cursor: pointer
}

button:focus-visible,
a:focus-visible {
    outline: 3px solid #ffde56;
    outline-offset: 4px
}

img {
    display: block;
    max-width: 100%
}

h1,
h2,
h3,
p {
    margin: 0
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0)
}

.hero img {
    width: 100%
}

.wrap {
    width: 1200px;
    max-width: calc(100% - 64px);
    margin: auto
}

.intro {
    margin: 65px -15px 74px;
    padding: 115px 100px 88px;
    background: url('../assets/images/intro-paper.png') center/100% 100% no-repeat;
    color: #b57e55;
    min-height: 514px
}

.intro p {
    text-indent: 2em;
    font-size: 28px;
    line-height: 2.12;
    font-weight: 600;
    letter-spacing: 1px
}

.topic {
    margin-bottom: 120px
}

.topic-one {
    margin-bottom: 190px
}

.section-heading {
    display: flex;
    justify-content: center;
    margin-bottom: 32px
}

.section-heading img {
    width: auto;
    max-width: 76%;
    height: 145px;
    object-fit: contain
}

.topic-one .section-heading img {
    height: 123px
}

.description {
    padding: 25px 40px;
    border: 2px solid #77c6ff;
    border-radius: 26px;
    background: rgba(0, 91, 221, .47);
    font-size: 22px;
    line-height: 1.8;
    text-indent: 2em;
    letter-spacing: 1px;
    font-weight: 600;
    margin: 25px 0 32px;
    text-align: justify;
}

.subheading {
    height: 59px;
    margin: 38px 0 30px;
    text-align: center;
    background: linear-gradient(90deg, #0063ff, #21b5e1);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 34px;
    font-weight: 700;
    gap: 25px
}

.subheading em {
    background: #0067f6;
    box-shadow: 0 0 5px #fff;
    font-size: 60px;
    line-height: 80px;
    padding: 0 18px 0 8px;
    transform: skew(-8deg);
    text-shadow: 2px 2px 1px #5be8ff
}

.feature-stage {
    position: relative;
    width: calc(100% + 246px);
    margin: 36px -123px 38px;
    aspect-ratio: 1446/606;
    background: url('../assets/images/stage.png') center/100% 100% no-repeat
}

.feature-stage .swiper-container {
    position: absolute;
    left: 26%;
    top: 12.5%;
    width: 48%;
    height: 73%;
    border: 5px solid white;
    box-shadow: 0 0 0 50px #ffffff30
}

.feature-stage .swiper-slide a,
.feature-stage .swiper-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover
}

.feature-caption {
    position: absolute;
    top: 6%;
    left: 23%;
    width: 54%;
    text-align: center;
    font-size: 23px;
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis
}

.arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    border: 0;
    background: none;
    color: #ffdf57;
    font-size: 78px;
    font-family: Arial;
    line-height: 1;
    z-index: 3;
    padding: 0 5px;
    text-shadow: 0 2px 2px #e7a742
}

.prev {
    left: -37px
}

.next {
    right: -37px
}

.feature-stage .prev {
    left: 17%
}

.feature-stage .next {
    right: 17%
}

.feature-stage .arrow {
    color: #e5fcff;
    text-shadow: none
}

.feature-stage .swiper-pagination {
    bottom: 8%;
    width: 100%
}

.swiper-pagination-bullet {
    width: 15px;
    height: 15px;
    background: #fff;
    opacity: .65;
    margin: 0 5px
}

.swiper-pagination-bullet-active {
    width: 65px;
    border-radius: 15px;
    opacity: 1
}

.carousel {
    position: relative
}

.carousel .swiper-container {
    padding: 5px 3px 12px
}

.card {
    display: flex;
    color: #4a4a4a;
    position: relative;
    height: 192px;
    overflow: hidden;
    padding: 14px;
    gap: 14px;
    border: 3px solid white;
    background: #fff;
    box-shadow: -5px 9px 0 #a4d6ff;
    border-radius: 9px
}

.card img {
    width: 55%;
    height: 100%;
    object-fit: cover
}

.card-copy {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 10px 0
}

.card h4 {
    font-size: 21px;
    line-height: 1.5;
    margin: 0;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 3;
    overflow: hidden;
    font-weight: 500
}

.detail {
    font-size: 17px;
    color: #db9a35;
    white-space: nowrap;
    border-top: 2px solid #e8be81;
    padding-top: 8px
}

.paper {
    padding: 0 48px
}

.paper .prev {
    left: -20px
}

.paper .next {
    right: -20px
}

.paper .card {
    height: auto;
    aspect-ratio: 352/401;
    background: url('../assets/images/paper-card.png') center/100% 100% no-repeat;
    box-shadow: none;
    border: 0;
    border-radius: 0;
    padding: 17% 10% 20%;
    display: block
}

.paper .card img {
    width: 100%;
    height: 62%;
    border-radius: 9px
}

.paper .card-copy {
    padding: 12px 6px
}

.paper .card h4 {
    -webkit-line-clamp: 2;
    font-size: 21px;
    line-height: 1.5
}

.paper .detail {
    display: none
}

.case-section {
    margin: 45px -95px 36px;
    padding: 0 95px 32px;
    border: 3px dashed #ccddff;
    border-radius: 35px
}

.case-layout {
    display: flex;
    gap: 18px;
    align-items: stretch
}

.monitor {
    position: relative;
    width: 64%;
    aspect-ratio: 750/509;
    background: url('../assets/images/monitor.png') center/100% 100% no-repeat
}

.case-feature {
    position: absolute;
    left: 3.5%;
    top: 4%;
    width: 93%;
    height: 86%;
    border-radius: 28px;
    overflow: hidden
}

.case-feature img,
.report-feature img {
    width: 100%;
    height: 100%;
    object-fit: cover
}

.image-caption {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 16px 20px;
    background: linear-gradient(transparent, rgba(0, 30, 70, .85));
    color: #fff;
    font-size: 22px;
    line-height: 1.5
}

.case-list {
    width: 36%;
    background: linear-gradient(135deg, #ffd291, #f29333);
    border: 4px solid #fff4d6;
    border-radius: 22px;
    padding: 12px;
    display: flex;
    flex-direction: column;
    justify-content: space-between
}

.case-button {
    color: #fff;
    border: 0;
    border-bottom: 1px solid #fff9;
    background: none;
    width: 100%;
    display: flex;
    align-items: center;
    text-align: left;
    padding: 9px;
    gap: 14px
}

.case-button:last-child {
    border-bottom: 0
}

.case-button img {
    width: 44%;
    aspect-ratio: 1.65;
    object-fit: cover;
    border: 5px solid #fff;
    border-radius: 5px
}

.case-button span {
    font-size: 20px;
    line-height: 1.45;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden
}

.case-button.is-active {
    background: #ffffff3d;
    border-radius: 8px
}

.mint .card {
    background: #e4ffff;
    box-shadow: 0 6px 0 #53dce1;
    border-radius: 24px;
    flex-direction: row-reverse
}

.mint .detail,
.decode .detail {
    border: 0;
    background: #ff6e7b;
    color: white;
    font-size: 15px;
    text-align: center;
    padding: 3px
}

.mint .card img {
    border-radius: 16px
}

.television {
    position: relative;
    aspect-ratio: 1193/807;
    margin: 36px 0;
    background: url('../assets/images/television.png') center/100% 100% no-repeat
}

.report-feature {
    position: absolute;
    top: 8.5%;
    left: 5.5%;
    width: 89%;
    height: 65%;
    border-radius: 45px;
    overflow: hidden
}

.decode .card {
    border-radius: 0;
    border: 0;
    border-left: 9px solid white;
    border-right: 9px solid white;
    box-shadow: 0 8px 0 #a8bfdc;
    padding: 23px 15px 12px;
    background: #f5f5f4
}

.decode .card h4 {
    font-size: 20px
}

.playground {
    background: #0055d9;
    padding: 34px 90px 24px;
    border-top: 10px dotted #4cacff;
    margin-top: 46px
}

.photos .card {
    display: block;
    background: url('../assets/images/photo-card.png') center/100% 100% no-repeat;
    border: 0;
    border-radius: 0;
    box-shadow: none;
    aspect-ratio: 327/300;
    height: auto;
    padding: 10% 4% 18%
}

.photos .card img {
    width: 100%;
    height: 77%;
    border-radius: 10px
}

.photos .card h4 {
    font-size: 17px;
    line-height: 1.3;
    -webkit-line-clamp: 2
}

.photos .card-copy {
    padding: 12px 10px 0
}

.photos .detail {
    display: none
}

.gallery-caption {
    text-align: center;
    font-size: 21px;
    margin-top: 15px
}

.footer {
    min-height: 330px;
    text-align: center;
    padding: 160px 0 20px;
    font-size: 17px;
    text-shadow: 0 1px 4px #0b58cd
}

.footer a {
    display: inline-block;
    margin-top: 12px
}

.back-top {
    position: fixed;
    bottom: 30px;
    right: 25px;
    width: 44px;
    height: 44px;
    background: #056ce7dd;
    color: white;
    border: 2px solid #b7eeff;
    border-radius: 50%;
    font-size: 26px;
    display: none;
    z-index: 10
}

.arrow.swiper-button-disabled {
    opacity: .35;
    cursor: default
}

@media(min-width:768px) and (max-width:1450px) {
    .wrap {
        width: 1000px
    }

    .intro {
        padding: 92px 85px 68px;
        min-height: 420px
    }

    .intro p {
        font-size: 24px
    }

    .description {
        font-size: 19px
    }

    .feature-stage {
        width: calc(100% + 180px);
        margin-left: -90px;
        margin-right: -90px
    }

    .case-section {
        margin-left: -40px;
        margin-right: -40px;
        padding-left: 40px;
        padding-right: 40px
    }

    .card {
        height: 172px
    }

    .card h4,
    .paper .card h4,
    .decode .card h4 {
        font-size: 18px
    }

    .case-button span {
        font-size: 17px
    }
}

@media(max-width:1100px) and (min-width:768px) {
    .wrap {
        max-width: calc(100% - 100px)
    }

    .feature-stage {
        width: calc(100% + 90px);
        margin-left: -45px;
        margin-right: -45px
    }

    .intro p {
        font-size: 20px
    }

    .intro {
        padding: 80px 65px 60px;
        min-height: 0
    }

    .card {
        height: 155px
    }

    .card h4 {
        font-size: 16px
    }

    .case-button {
        padding: 5px
    }

    .case-button span {
        font-size: 14px
    }

    .section-heading img {
        height: 115px
    }

    .description {
        font-size: 17px
    }

    .subheading {
        font-size: 27px
    }

    .case-feature {
        border-radius: 16px
    }
}

@media(max-width:767px) {
    body {
        background-image: url('../assets/images/background-mobile.jpg')
    }

    .wrap {
        width: auto;
        max-width: none;
        margin: 0 12px
    }

    .intro {
        margin: 8px -5px 24px;
        padding: 39px 31px 28px;
        min-height: 0
    }

    .intro p {
        font-size: 13px;
        line-height: 1.85;
        letter-spacing: 0;
        text-indent: 2em
    }

    .topic,
    .topic-one {
        margin-bottom: 50px
    }

    .section-heading {
        margin-bottom: 22px
    }

    .section-heading img,
    .topic-one .section-heading img {
        width: 76%;
        height: auto;
        max-height: 72px
    }

    .description {
        padding: 14px 16px;
        font-size: 13px;
        line-height: 1.8;
        border-radius: 12px;
        letter-spacing: 0;
        border-width: 1px;
        margin: 18px 0 22px
    }

    .subheading {
        height: 28px;
        font-size: 16px;
        margin: 28px -12px 20px;
        gap: 12px
    }

    .subheading em {
        font-size: 28px;
        line-height: 36px;
        padding: 0 14px 0 6px
    }

    .feature-stage {
        width: calc(100% + 24px);
        margin: 20px -12px 22px;
        aspect-ratio: 1242/719;
        background-size: 138% 100%
    }

    .feature-stage .swiper-container {
        left: 16%;
        top: 13%;
        width: 68%;
        height: 74%;
        border-width: 2px;
        box-shadow: 0 0 0 14px #ffffff65
    }

    .feature-caption {
        font-size: 11px;
        top: 3%;
        width: 78%;
        left: 11%
    }

    .feature-stage .prev {
        left: 1%
    }

    .feature-stage .next {
        right: 1%
    }

    .arrow {
        font-size: 44px;
        padding: 0 2px
    }

    .prev {
        left: -13px
    }

    .next {
        right: -13px
    }

    .feature-stage .swiper-pagination {
        bottom: 3%
    }

    .swiper-pagination-bullet {
        height: 6px;
        width: 6px;
        margin: 0 2px
    }

    .swiper-pagination-bullet-active {
        width: 25px
    }

    .carousel {
        padding: 0 8px
    }

    .card {
        height: 112px;
        padding: 7px;
        gap: 7px;
        border-width: 2px;
        box-shadow: -2px 4px 0 #a4d6ff;
        border-radius: 6px
    }

    .card img {
        width: 52%
    }

    .card h4,
    .decode .card h4 {
        font-size: 12px;
        line-height: 1.45;
        -webkit-line-clamp: 3
    }

    .card-copy {
        padding: 3px 0
    }

    .detail {
        font-size: 10px;
        padding-top: 3px;
        border-width: 1px
    }

    .paper {
        padding: 0 7px
    }

    .paper .prev {
        left: -13px
    }

    .paper .next {
        right: -13px
    }

    .paper .card h4 {
        font-size: 12px;
        line-height: 1.4
    }

    .paper .card-copy {
        padding: 6px 2px
    }

    .paper .card {
        padding-bottom: 17%
    }

    .case-section {
        margin: 25px -12px;
        padding: 0 12px 18px;
        border-width: 2px 0;
        border-radius: 0
    }

    .case-section .subheading {
        margin-top: 18px
    }

    .case-layout {
        display: block
    }

    .monitor {
        width: 100%;
        margin-bottom: 10px
    }

    .case-feature {
        border-radius: 15px
    }

    .image-caption {
        font-size: 12px;
        padding: 15px 10px 8px
    }

    .case-list {
        width: 100%;
        flex-direction: row;
        flex-wrap: wrap;
        padding: 5px;
        border-radius: 12px;
        border-width: 2px;
        gap: 3px
    }

    .case-button {
        width: calc(50% - 2px);
        border: 0;
        padding: 4px;
        gap: 6px
    }

    .case-button img {
        border-width: 2px
    }

    .case-button span {
        font-size: 11px
    }

    .mint .card {
        border-radius: 10px
    }

    .mint .card img {
        border-radius: 8px
    }

    .mint .detail,
    .decode .detail {
        font-size: 9px;
        padding: 2px
    }

    .television {
        margin: 25px 0
    }

    .report-feature {
        border-radius: 15px
    }

    .decode .card {
        border-left-width: 4px;
        border-right-width: 4px;
        padding: 10px 6px 6px;
        gap: 6px;
        height: 110px
    }

    .playground {
        padding: 14px 15px 15px;
        margin-top: 25px;
        border-top-width: 5px
    }

    .photos .card h4 {
        font-size: 10px
    }

    .photos .card-copy {
        padding: 5px 3px 0
    }

    .gallery-caption {
        font-size: 11px;
        margin-top: 5px
    }

    .footer {
        min-height: 160px;
        padding: 60px 0 50px;
        font-size: 11px
    }

    .back-top {
        width: 35px;
        height: 35px;
        right: 12px;
        bottom: 15px;
        font-size: 20px
    }
}

@media(prefers-reduced-motion:reduce) {
    html {
        scroll-behavior: auto
    }

    * {
        transition: none !important
    }
}

body {
    background: #408aff
}

.page-content {
    background: url('../assets/images/content-pc.jpg') center/100% 100% no-repeat;
    display: flow-root
}

@media(max-width:767px) {
    body {
        background-image: none
    }

    .page-content {
        background-image: url('../assets/images/content-mobile.jpg')
    }
}

@media(max-width:767px) {
    .carousel>.prev {
        left: -11px
    }

    .carousel>.next {
        right: -11px
    }
}

@media(max-width:767px) {
    .case-list {
        flex-wrap: nowrap;
        overflow-x: auto;
        scroll-snap-type: x mandatory
    }

    .case-button {
        flex: 0 0 calc(50% - 2px);
        scroll-snap-align: start
    }

    .case-button span {
        min-width: 0
    }

    .case-button img {
        flex-shrink: 0
    }
}

/* Video controls and viewport overlay. */
.video-play {
    position: absolute;
    z-index: 5;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 92px;
    height: 92px;
    padding: 0;
    border: 4px solid #fff;
    border-radius: 50%;
    background: rgba(0, 64, 115, .7);
    color: #fff;
    box-shadow: 0 3px 14px #00315e55;
    font-size: 40px;
    cursor: pointer
}

.video-play span {
    margin-left: 6px
}

.video-play:hover {
    background: rgba(0, 104, 178, .9)
}

#feature>.video-play {
    top: 49%
}

.monitor>.video-play {
    top: 47%
}

.television>.video-play {
    top: 41%
}

.video-overlay {
    position: fixed;
    inset: 0;
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, .82);
    padding: 52px 24px
}

.video-overlay[hidden],
.video-error[hidden] {
    display: none
}

.video-dialog {
    position: relative;
    width: min(1100px, 100%);
    text-align: center
}

.video-dialog video {
    display: block;
    width: 100%;
    max-height: calc(100vh - 104px);
    max-height: calc(100dvh - 104px);
    background: #000
}

.video-close {
    position: absolute;
    right: 0;
    top: -46px;
    width: 40px;
    height: 40px;
    border: 1px solid #ffffff99;
    border-radius: 50%;
    background: #0006;
    color: #fff;
    font-size: 32px;
    line-height: 1
}

.video-error {
    color: white;
    padding: 12px;
    background: #222
}

.footer p {
    line-height: 1.8
}

.case-list a.case-button {
    cursor: pointer
}

.case-list a.case-button:hover {
    background: #ffffff30
}

@media(max-width:767px) {
    .video-play {
        width: 48px;
        height: 48px;
        border-width: 2px;
        font-size: 22px
    }

    .video-play span {
        margin-left: 3px
    }

    .video-overlay {
        padding: 52px 12px
    }

    .footer {
        padding-left: 12px;
        padding-right: 12px
    }
}

.video-dialog video {
    aspect-ratio: 16/9;
    object-fit: contain
}

.video-close {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    font-size: 0;
    line-height: 0
}

.video-close span {
    position: relative;
    display: block;
    width: 18px;
    height: 18px
}

.video-close span:before,
.video-close span:after {
    content: "";
    position: absolute;
    left: 0;
    top: 50%;
    width: 18px;
    height: 3px;
    margin-top: -1.5px;
    border-radius: 2px;
    background: #fff;
    transform: rotate(45deg)
}

.video-close span:after {
    transform: rotate(-45deg)
}



/* Keep Swiper 3's frame and slide measurements aligned; captions travel with images. */
#feature .swiper-slide {
    overflow: hidden
}

#feature .swiper-slide>a {
    display: block;
    position: relative;
    overflow: hidden
}

.focus-slide-caption {
    display: none
}

@media(max-width:767px) {
    #feature .feature-caption {
        display: none
    }

    #feature .swiper-container {
        left: 50%;
        transform: translateX(-50%);
        background: #07549b
    }

    .focus-slide-caption {
        position: absolute;
        bottom: 0;
        left: 0;
        right: 0;
        display: -webkit-box;
        -webkit-box-orient: vertical;
        -webkit-line-clamp: 2;
        overflow: hidden;
        padding: 20px 10px 9px;
        background: linear-gradient(transparent, rgba(0, 20, 49, .88));
        font-size: 13px;
        font-weight: 500;
        line-height: 1.5;
        text-align: left;
        white-space: normal;
        text-shadow: 0 1px 2px #0006
    }

    #feature>.video-play {
        top: 43%
    }
}

@media(max-width:767px) {
    .focus-slide-caption {
        display: block;
        -webkit-line-clamp: unset
    }

    .focus-slide-caption-text {
        display: -webkit-box;
        -webkit-box-orient: vertical;
        -webkit-line-clamp: 2;
        overflow: hidden
    }
}

.video-play[hidden] {
    display: none !important
}

/* Slide video controls belong to that slide and move with it. */
.swiper-slide>.video-play {
    width: 58px;
    height: 58px;
    font-size: 25px;
    border-width: 3px
}

#feature .swiper-slide>.video-play {
    width: 92px;
    height: 92px;
    font-size: 40px;
    border-width: 4px;
    top: 50%
}

@media(max-width:767px) {
    .swiper-slide>.video-play {
        width: 34px;
        height: 34px;
        font-size: 15px;
        border-width: 2px
    }

    #feature .swiper-slide>.video-play {
        width: 48px;
        height: 48px;
        font-size: 22px;
        border-width: 2px;
        top: 41%
    }
}

/* Micro-light action cards reserve two lines for every headline. */
#action .card {
    display: flex;
    flex-direction: column;
    gap: 0
}

#action .card img {
    flex: 1;
    min-height: 0;
    height: 0
}

#action .card-copy {
    flex: 0 0 auto;
    padding: 8px 10px 0
}

#action .card h4 {
    line-height: 1.3;
    height: 2.6em;
    -webkit-line-clamp: 2
}

@media(max-width:767px) {
    #action .card-copy {
        padding: 5px 3px 0
    }
}

/* 2026-11-02: avoid percentage image heights inside auto-height aspect-ratio cards.
   The pseudo-element reserves the card height; absolute children use that box.
   Geometry matches the original Chromium layout. No HTML/JS changes required. */
#publicity .card,
#playground .card {
    position: relative;
    display: block;
    height: auto;
    min-height: 0;
    aspect-ratio: auto;
    padding: 0;
}
#publicity .card::before,
#playground .card::before {
    content: "";
    display: block;
    width: 100%;
}
#publicity .card::before { padding-top: 113.920455%; } /* 401 / 352 */
#playground .card::before { padding-top: 91.743119%; } /* 300 / 327 */
#publicity .card > img,
#playground .card > img {
    position: absolute;
    display: block;
    min-height: 0;
    object-fit: cover;
    object-position: center;
}
#publicity .card > img {
    left: 10%;
    top: 14.922693%;
    width: 80%;
    height: 41.863142%;
}
#publicity .card > .card-copy {
    position: absolute;
    left: 10%;
    top: 56.785835%;
    width: 80%;
}
#playground .card > img {
    left: 4%;
    top: 10.9%;
    width: 92%;
    height: 53.4996%;
}
#playground .card > .card-copy {
    position: absolute;
    left: 4%;
    top: 64.3996%;
    width: 92%;
}
@media (max-width: 767px) {
    #publicity .card > img { height: 43.49586%; }
    #publicity .card > .card-copy { top: 58.418553%; }
}
/* Keep both title lines inside the narrow three-column tablet cards. */
@media (min-width: 768px) and (max-width: 1100px) {
    #playground .card > .card-copy { padding: 6px 6px 0; }
    #playground .card h4 { font-size: 14px; }
}