.studio-with-intro {
    height: auto;
    min-height: 100vh;
    overflow: auto;
    display: block;
}

.studio-intro,
.studio-intro * {
    box-sizing: border-box;
}

.studio-intro {
    overflow: hidden;
    background: #fff;
    font-family: "Segoe UI", "Microsoft YaHei", Arial, sans-serif;
    color: #263747;
    -webkit-font-smoothing: antialiased;
}

.studio-intro-inner {
    width: 1345px;
    max-width: calc(100% - 96px);
    min-height: 530px;
    margin: 0 auto;
    padding: 62px 0 65px;
    display: grid;
    grid-template-columns: 0.95fr 1.05fr;
    gap: 52px;
    align-items: center;
}

.studio-intro-copy {
    min-width: 0;
}

.studio-intro-eyebrow {
    display: flex;
    align-items: center;
    gap: 8px;
    margin: 0 0 25px;
    color: #317fbb;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 2.7px;
}

.studio-intro-eyebrow > span {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: #14bec4;
}

.studio-intro h1 {
    margin: 0 0 25px;
    color: #1c3347;
    font-size: clamp(38px, 3.65vw, 60px);
    font-weight: 650;
    letter-spacing: -1.8px;
    line-height: 1.3;
}

.studio-intro h1 em {
    color: #1684ca;
    font-style: normal;
}

.studio-intro-desc {
    margin: 0 0 30px;
    color: #71808c;
    font-size: 15px;
    line-height: 2;
}

.studio-intro-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.studio-intro-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 13px;
    min-height: 46px;
    padding: 0 23px;
    border: 1px solid transparent;
    border-radius: 5px;
    font: inherit;
    font-size: 13px;
    line-height: 1.4;
    cursor: pointer;
    transition: background 0.2s, transform 0.2s;
}

.studio-intro-button:hover {
    transform: translateY(-2px);
}

.studio-intro-button:focus-visible {
    outline: 2px solid #1684ca;
    outline-offset: 4px;
}

.studio-intro-button-primary {
    gap: 24px;
    background: #1586ca;
    color: #fff;
    box-shadow: 0 6px 14px rgba(22, 134, 201, 0.1);
}

.studio-intro-button-primary:hover {
    background: #0e72b0;
}

.studio-intro-button-secondary {
    background: #fff;
    color: #506878;
    border-color: #dae3ea;
}

.studio-intro-button-secondary:hover {
    background: #f5f9fc;
}

.studio-intro-button svg {
    width: 22px;
    height: 22px;
}

.studio-intro-note {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 13px;
    margin: 25px 0 0;
    color: #8f9ca6;
    font-size: 11px;
    line-height: 1.8;
}

.studio-intro-note i {
    width: 3px;
    height: 3px;
    border-radius: 50%;
    background: #a3b4c1;
}

.studio-intro-art {
    position: relative;
    min-width: 0;
    padding: 40px 0 6px;
    isolation: isolate;
}

.studio-intro-backdrop {
    position: absolute;
    inset: -24px -46px 6px -56px;
    z-index: -2;
    background: radial-gradient(ellipse at 62% 48%, rgba(35, 135, 235, 0.34), rgba(75, 165, 240, 0.14) 44%, transparent 71%), radial-gradient(ellipse at 78% 73%, rgba(30, 195, 202, 0.25), transparent 58%);
    mask-image: radial-gradient(ellipse, #000 35%, transparent 72%);
}

/* A single offset sheet gives the preview depth without covering its content. */
.studio-intro-art::before {
    content: "";
    position: absolute;
    inset: 52px -16px 40px 0;
    z-index: -1;
    border: 1px solid #a8ceee;
    border-radius: 11px;
    background: linear-gradient(140deg, #f1f8ff, #d0e6fb);
    box-shadow: 0 12px 28px rgba(35, 105, 170, 0.12);
    transform: rotate(3deg);
}

.studio-intro-watermark {
    position: absolute;
    top: -18px;
    left: 16px;
    z-index: -1;
    color: #d7e9f8;
    font-size: clamp(64px, 6.2vw, 100px);
    font-weight: 750;
    font-style: italic;
    letter-spacing: -4px;
    line-height: 1.1;
}

.studio-intro-window {
    position: relative;
    width: calc(100% + 48px);
    margin-left: -24px;
    overflow: hidden;
    border: 1px solid #a6c9e6;
    border-radius: 9px;
    background: #fff;
    box-shadow: 0 24px 45px -12px rgba(26, 91, 155, 0.3), 0 4px 12px rgba(41, 111, 174, 0.08);
    transform: rotate(-2deg);
}

.studio-intro-window-bar {
    display: flex;
    align-items: center;
    gap: 4px;
    height: 26px;
    padding: 0 10px;
    border-bottom: 1px solid #d7e7f4;
    background: #f0f6fc;
}

.studio-intro-window-bar > span {
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: #c4d4e0;
}

.studio-intro-window-bar small {
    margin-left: 9px;
    color: #8fa0ae;
    font-size: 9px;
}

.studio-intro-image {
    display: block;
    width: 100%;
    height: auto;
}

.studio-intro-slides {
    position: relative;
    overflow: hidden;
    aspect-ratio: 704 / 376;
    background: radial-gradient(ellipse at 100% 0, rgba(63, 201, 210, 0.85), transparent 60%), linear-gradient(135deg, #1965f6, #509aff);
}

.studio-intro-slides .studio-intro-image {
    position: absolute;
    inset: -4.2553% 0 auto;
    height: 108.5106%;
    object-fit: contain;
    object-position: center;
    transform-origin: left top;
    visibility: hidden;
}

.studio-intro-slides .studio-intro-image.is-active {
    visibility: visible;
}

.studio-intro-slides .studio-intro-image.is-poster-entering {
    z-index: 2;
    animation: studio-poster-card-in 0.85s cubic-bezier(0.22, 1, 0.36, 1) both;
}

.studio-intro-slides .studio-intro-image.is-poster-leaving {
    z-index: 1;
    visibility: visible;
    animation: studio-poster-card-out 0.85s cubic-bezier(0.22, 1, 0.36, 1) both;
}

@keyframes studio-poster-card-in {
    from {
        opacity: 0;
        transform: rotate(8deg) scale(0.96);
    }
    55% {
        opacity: 1;
    }
    to {
        opacity: 1;
        transform: rotate(0deg) scale(1);
    }
}

@keyframes studio-poster-card-out {
    from { opacity: 1; transform: rotate(0deg) scale(1); }
    to { opacity: 0; transform: rotate(-8deg) scale(0.96); }
}

.studio-intro-caption {
    position: relative;
    right: -12px;
    display: flex;
    align-items: center;
    gap: 10px;
    width: fit-content;
    max-width: 100%;
    margin: -20px 0 0 auto;
    padding: 10px 14px;
    border: 1px solid #e6eff5;
    border-radius: 8px;
    background: #fff;
    box-shadow: 0 8px 30px rgba(65, 123, 173, 0.13);
    font-size: 13px;
    line-height: 1.5;
}

.studio-intro-caption > div {
    min-width: 0;
}

.studio-intro-caption small {
    display: block;
    margin-top: 5px;
    color: #96a3ad;
    font-size: 11px;
}

.studio-intro-spark {
    display: grid;
    place-items: center;
    width: 32px;
    height: 36px;
    flex-shrink: 0;
    border-radius: 6px;
    background: #e4f6fd;
    color: #159ed0;
    font-size: 22px;
}

.studio-intro-arrow {
    flex-shrink: 0;
    margin-left: 22px;
    color: #2293c8;
}

/* Start the CSS sequence once the image is ready, with a visible no-JS fallback. */
.studio-intro-art.is-loading > * {
    opacity: 0;
}

.studio-intro-art.is-loading::before {
    opacity: 0;
}

.studio-intro-art.is-entering::before {
    animation: studio-intro-sheet-in 0.8s cubic-bezier(0.22, 1, 0.36, 1) 0.2s both;
}

.studio-intro-art.is-entering .studio-intro-backdrop,
.studio-intro-art.is-entering .studio-intro-watermark {
    animation: studio-intro-reveal 0.7s ease-out both;
}

.studio-intro-art.is-entering .studio-intro-watermark {
    animation-delay: 0.12s;
}

.studio-intro-art.is-entering .studio-intro-window {
    animation: studio-intro-window-in 0.9s cubic-bezier(0.22, 1, 0.36, 1) 0.3s both;
}

.studio-intro-art.is-entering .studio-intro-caption {
    animation: studio-intro-reveal 0.65s cubic-bezier(0.22, 1, 0.36, 1) 0.85s both;
}

@keyframes studio-intro-reveal {
    from { opacity: 0; transform: translateY(18px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes studio-intro-window-in {
    from { opacity: 0; transform: translate(32px, 24px) rotate(1deg) scale(0.96); }
    to { opacity: 1; transform: translate(0, 0) rotate(-2deg) scale(1); }
}

@keyframes studio-intro-sheet-in {
    from { opacity: 0; transform: translate(12px, 16px) rotate(0deg); }
    to { opacity: 1; transform: translate(0, 0) rotate(3deg); }
}

.studio-with-intro .studio-page {
    scroll-margin-top: 130px;
}

@media (min-width: 961px) {
    .studio-with-intro .studio-page {
        flex: none;
        height: calc(100vh - 215px);
        min-height: 560px;
    }
}

@media (max-width: 1100px) {
    .studio-intro-inner {
        max-width: calc(100% - 64px);
        gap: 30px;
        min-height: 470px;
    }

    .studio-intro-desc {
        font-size: 13px;
    }

    .studio-intro-break {
        display: none;
    }

    .studio-intro-button {
        padding: 0 16px;
        gap: 10px;
    }
}

@media (max-width: 720px) {
    .studio-intro-inner {
        grid-template-columns: 1fr;
        max-width: calc(100% - 40px);
        min-height: 0;
        gap: 42px;
        padding: 36px 0 40px;
    }

    .studio-intro-eyebrow {
        margin-bottom: 17px;
        font-size: 10px;
    }

    .studio-intro h1 {
        margin-bottom: 20px;
        font-size: clamp(34px, 10vw, 46px);
        line-height: 1.25;
    }

    .studio-intro-desc {
        margin-bottom: 22px;
        line-height: 1.9;
    }

    .studio-intro-actions {
        gap: 9px;
    }

    .studio-intro-button {
        min-height: 43px;
        font-size: 12px;
    }

    .studio-intro-note {
        margin-top: 19px;
        gap: 11px;
    }

    .studio-intro-art {
        margin: 0 12px;
        padding-top: 29px;
        padding-bottom: 0;
    }

    .studio-intro-backdrop {
        inset: 0 -28px 0;
    }

    .studio-intro-art::before {
        inset: 38px -7px 30px 5px;
    }

    .studio-intro-window {
        width: calc(100% + 12px);
        margin-left: -6px;
    }

    .studio-intro-watermark {
        top: -17px;
        left: 6px;
        font-size: clamp(50px, 17vw, 76px);
    }

    .studio-intro-caption {
        right: auto;
        margin-top: -12px;
        padding: 9px 10px;
        font-size: 12px;
    }

    .studio-intro-caption small {
        font-size: 10px;
    }

    .studio-intro-arrow {
        margin-left: 8px;
    }
}

@media (prefers-reduced-motion: reduce) {
    .studio-intro-slides .studio-intro-image.is-poster-entering,
    .studio-intro-slides .studio-intro-image.is-poster-leaving {
        animation: none;
    }

    .studio-intro-slides .studio-intro-image.is-poster-leaving {
        visibility: hidden;
    }

    .studio-intro-art.is-entering::before,
    .studio-intro-art.is-entering .studio-intro-backdrop,
    .studio-intro-art.is-entering .studio-intro-watermark,
    .studio-intro-art.is-entering .studio-intro-window,
    .studio-intro-art.is-entering .studio-intro-caption {
        animation: none;
    }

    .studio-intro-button {
        transition: none;
    }

    .studio-intro-button:hover {
        transform: none;
    }
}