:root {
    --vista-ink: #151225;
    --vista-text: #4f4a63;
    --vista-muted: #817b94;
    --vista-line: #e8e5f2;
    --vista-purple: #6549f3;
    --vista-purple-dark: #4931ce;
    --vista-teal: #20cdbd;
    --vista-shell: 1220px;
    --vista-shadow: 0 24px 70px rgba(52, 38, 110, 0.14);
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    color: var(--vista-ink);
    background: #fff;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
}

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

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

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

.vista-shell {
    width: min(calc(100% - 40px), var(--vista-shell));
    margin-inline: auto;
}

.vista-skip {
    position: fixed;
    z-index: 999;
    top: 12px;
    left: 12px;
    padding: 10px 16px;
    color: #fff;
    background: #111;
    border-radius: 8px;
    transform: translateY(-160%);
}

.vista-skip:focus {
    transform: translateY(0);
}

.vista-header {
    position: sticky;
    z-index: 50;
    top: 0;
    background: rgba(255, 255, 255, 0.93);
    border-bottom: 1px solid rgba(232, 229, 242, 0.9);
    backdrop-filter: blur(18px);
}

.vista-header__inner {
    min-height: 78px;
    display: flex;
    align-items: center;
    gap: 38px;
}

.vista-brand {
    flex: 0 0 auto;
}

.vista-brand img {
    width: 184px;
    height: auto;
}

.vista-nav {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 34px;
    margin-left: auto;
    color: #4d485f;
    font-size: 15px;
    font-weight: 700;
}

.vista-nav a {
    transition: color 0.2s ease;
}

.vista-nav a:hover {
    color: var(--vista-purple);
}

.vista-header__button {
    flex: 0 0 auto;
    min-height: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0 22px;
    color: #fff;
    background: var(--vista-purple);
    border-radius: 999px;
    font-weight: 800;
    box-shadow: 0 12px 26px rgba(101, 73, 243, 0.22);
}

.vista-hero {
    position: relative;
    overflow: hidden;
    padding: 82px 0 86px;
    background:
        radial-gradient(circle at 12% 18%, rgba(114, 80, 255, 0.14), transparent 25%),
        linear-gradient(135deg, #fbfaff 0%, #f5f1ff 46%, #f1fffc 100%);
}

.vista-hero__glow {
    position: absolute;
    border-radius: 50%;
    pointer-events: none;
}

.vista-hero__glow--one {
    width: 280px;
    height: 280px;
    top: -130px;
    left: 31%;
    background: rgba(237, 53, 138, 0.12);
    filter: blur(16px);
}

.vista-hero__glow--two {
    width: 260px;
    height: 260px;
    right: -90px;
    bottom: -120px;
    background: rgba(16, 212, 197, 0.16);
    filter: blur(18px);
}

.vista-hero__grid {
    position: relative;
    display: grid;
    grid-template-columns: minmax(0, 0.9fr) minmax(520px, 1.1fr);
    align-items: center;
    gap: 52px;
}

.vista-kicker {
    margin: 0 0 14px;
    color: var(--vista-purple);
    font-size: 14px;
    font-weight: 900;
    letter-spacing: 0.12em;
}

.vista-hero h1 {
    max-width: 620px;
    margin: 0 0 22px;
    font-size: clamp(40px, 4.8vw, 58px);
    line-height: 1.16;
    letter-spacing: -0.04em;
}

.vista-hero__lead {
    max-width: 590px;
    margin: 0;
    color: var(--vista-text);
    font-size: 18px;
}

.vista-hero__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-top: 30px;
}

.vista-button {
    min-height: 52px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0 26px;
    border: 1px solid transparent;
    border-radius: 14px;
    font-weight: 850;
    transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

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

.vista-button--primary {
    color: #fff;
    background: linear-gradient(135deg, var(--vista-purple), #8067ff);
    box-shadow: 0 16px 34px rgba(101, 73, 243, 0.26);
}

.vista-button--ghost {
    color: var(--vista-ink);
    background: rgba(255, 255, 255, 0.78);
    border-color: var(--vista-line);
}

.vista-hero__facts {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 14px;
    margin: 34px 0 0;
}

.vista-hero__facts div {
    padding: 16px 15px;
    background: rgba(255, 255, 255, 0.72);
    border: 1px solid rgba(232, 229, 242, 0.88);
    border-radius: 16px;
}

.vista-hero__facts dt {
    margin-bottom: 3px;
    font-weight: 900;
}

.vista-hero__facts dd {
    margin: 0;
    color: var(--vista-muted);
    font-size: 12px;
    line-height: 1.55;
}

.vista-hero__art {
    position: relative;
    min-height: 520px;
}

.vista-hero__backdrop {
    position: absolute;
    inset: 10px -90px 0 15px;
    background-image: url("../picture/bg_gnew.DjCZlwAX.webp");
    background-size: cover;
    background-position: center;
    border-radius: 46% 0 0 40%;
    box-shadow: var(--vista-shadow);
}

.vista-hero__laptop {
    position: absolute;
    z-index: 2;
    left: 50%;
    bottom: 18px;
    width: 690px;
    max-width: none;
    transform: translateX(-48%);
    filter: drop-shadow(0 26px 36px rgba(24, 21, 55, 0.28)) contrast(1.06);
}

.vista-hero__panel {
    position: absolute;
    z-index: 3;
    top: 94px;
    left: 51%;
    width: 205px;
    padding: 22px 20px 18px;
    text-align: center;
    background: rgba(255, 255, 255, 0.94);
    border: 1px solid rgba(255, 255, 255, 0.72);
    border-radius: 22px;
    box-shadow: 0 22px 50px rgba(36, 23, 87, 0.22);
    transform: translateX(-50%);
}

.vista-hero__panel img {
    width: 82px;
    margin: 0 auto 12px;
    border-radius: 50%;
}

.vista-hero__panel strong,
.vista-hero__panel span {
    display: block;
}

.vista-hero__panel strong {
    font-size: 15px;
}

.vista-hero__panel span {
    margin-top: 3px;
    color: var(--vista-muted);
    font-size: 11px;
}

.vista-chip {
    position: absolute;
    z-index: 4;
    display: inline-flex;
    align-items: center;
    min-height: 34px;
    padding: 0 15px;
    color: #fff;
    background: rgba(21, 18, 37, 0.78);
    border: 1px solid rgba(255, 255, 255, 0.28);
    border-radius: 999px;
    backdrop-filter: blur(10px);
    font-size: 12px;
    font-weight: 800;
}

.vista-chip--desktop {
    top: 56px;
    right: 38px;
}

.vista-chip--mobile {
    right: -8px;
    bottom: 62px;
}

.vista-ribbon {
    position: relative;
    z-index: 5;
    margin-top: -20px;
}

.vista-ribbon__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    overflow: hidden;
    background: #fff;
    border: 1px solid var(--vista-line);
    border-radius: 20px;
    box-shadow: 0 18px 52px rgba(38, 26, 86, 0.1);
}

.vista-ribbon__grid div {
    padding: 22px 24px;
    border-right: 1px solid var(--vista-line);
}

.vista-ribbon__grid div:last-child {
    border-right: 0;
}

.vista-ribbon__grid strong,
.vista-ribbon__grid span {
    display: block;
}

.vista-ribbon__grid strong {
    margin-bottom: 2px;
    font-size: 17px;
}

.vista-ribbon__grid span {
    color: var(--vista-muted);
    font-size: 13px;
}

.vista-section {
    padding: 106px 0;
}

.vista-heading {
    max-width: 720px;
    margin: 0 auto 46px;
    text-align: center;
}

.vista-heading--left {
    margin: 0;
    text-align: left;
}

.vista-heading h2,
.vista-cta h2 {
    margin: 0 0 16px;
    font-size: clamp(30px, 3.5vw, 42px);
    line-height: 1.24;
    letter-spacing: -0.03em;
}

.vista-heading > p:last-child {
    margin: 0;
    color: var(--vista-text);
    font-size: 17px;
}

.vista-overview {
    background: #fff;
}

.vista-overview__grid {
    display: grid;
    grid-template-columns: 0.78fr 1.22fr;
    gap: 70px;
    align-items: start;
}

.vista-overview__cards {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 18px;
}

.vista-overview__cards article {
    min-height: 210px;
    padding: 28px;
    background: linear-gradient(145deg, #fff, #faf9ff);
    border: 1px solid var(--vista-line);
    border-radius: 22px;
    box-shadow: 0 14px 36px rgba(39, 27, 82, 0.07);
}

.vista-overview__cards span {
    color: var(--vista-purple);
    font-size: 12px;
    font-weight: 900;
    letter-spacing: 0.12em;
}

.vista-overview__cards h3 {
    margin: 18px 0 10px;
    font-size: 21px;
}

.vista-overview__cards p {
    margin: 0;
    color: var(--vista-text);
    font-size: 14px;
}

.vista-platforms {
    background: #f7f6fb;
}

.vista-platforms__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 18px;
}

.vista-platform-card {
    min-height: 330px;
    display: flex;
    flex-direction: column;
    padding: 28px;
    color: #fff;
    border-radius: 24px;
    box-shadow: 0 18px 44px rgba(46, 31, 102, 0.13);
}

.vista-platform-card--purple {
    background: linear-gradient(155deg, #7258ff, #4c31d0);
}

.vista-platform-card--blue {
    background: linear-gradient(155deg, #4c88ff, #3158c7);
}

.vista-platform-card--green {
    background: linear-gradient(155deg, #2fcbb9, #168b83);
}

.vista-platform-card--pink {
    background: linear-gradient(155deg, #f064a0, #c9397b);
}

.vista-platform-card__top {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.vista-platform-card__top span {
    font-size: 32px;
    line-height: 1;
}

.vista-platform-card__top em {
    padding: 5px 10px;
    background: rgba(255, 255, 255, 0.16);
    border: 1px solid rgba(255, 255, 255, 0.22);
    border-radius: 999px;
    font-size: 11px;
    font-style: normal;
}

.vista-platform-card h3 {
    margin: 35px 0 12px;
    font-size: 23px;
}

.vista-platform-card p {
    margin: 0;
    color: rgba(255, 255, 255, 0.84);
    font-size: 14px;
}

.vista-platform-card a {
    margin-top: auto;
    padding-top: 28px;
    font-weight: 850;
}

.vista-workflow {
    overflow: hidden;
    color: #fff;
    background: #17132b;
}

.vista-workflow__grid {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    align-items: center;
    gap: 74px;
}

.vista-workflow__visual {
    position: relative;
    min-height: 510px;
    display: grid;
    place-items: center;
    background:
        radial-gradient(circle at 30% 25%, rgba(117, 86, 255, 0.56), transparent 32%),
        radial-gradient(circle at 72% 75%, rgba(31, 212, 191, 0.28), transparent 28%),
        #241e43;
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 34px;
}

.vista-workflow__label {
    position: absolute;
    top: 24px;
    left: 26px;
    padding: 7px 13px;
    color: #fff;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.13);
    border-radius: 999px;
    font-size: 12px;
    font-weight: 800;
}

.vista-workflow__screen {
    width: 260px;
    height: 260px;
    display: grid;
    place-items: center;
    background: rgba(255, 255, 255, 0.9);
    border-radius: 50%;
    box-shadow: 0 24px 70px rgba(0, 0, 0, 0.28);
}

.vista-workflow__screen img {
    width: 235px;
}

.vista-heading--light h2,
.vista-heading--light p {
    color: #fff;
}

.vista-heading--light > p:last-child {
    color: rgba(255, 255, 255, 0.68);
}

.vista-steps {
    display: grid;
    gap: 14px;
    margin: 36px 0 0;
    padding: 0;
    list-style: none;
}

.vista-steps li {
    display: grid;
    grid-template-columns: 48px 1fr;
    gap: 18px;
    padding: 22px;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 18px;
}

.vista-steps > li > span {
    width: 42px;
    height: 42px;
    display: grid;
    place-items: center;
    color: #fff;
    background: var(--vista-purple);
    border-radius: 13px;
    font-weight: 900;
}

.vista-steps h3 {
    margin: 0 0 5px;
    font-size: 18px;
}

.vista-steps p {
    margin: 0;
    color: rgba(255, 255, 255, 0.67);
    font-size: 14px;
}

.vista-scenes {
    background: #fff;
}

.vista-scenes__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
}

.vista-scenes__grid article {
    padding: 34px;
    background: #fff;
    border: 1px solid var(--vista-line);
    border-radius: 24px;
    box-shadow: 0 15px 38px rgba(42, 29, 88, 0.07);
}

.vista-scenes__icon {
    width: 52px;
    height: 52px;
    display: grid;
    place-items: center;
    color: #fff;
    background: linear-gradient(135deg, var(--vista-purple), var(--vista-teal));
    border-radius: 16px;
    font-size: 23px;
}

.vista-scenes h3 {
    margin: 24px 0 10px;
    font-size: 22px;
}

.vista-scenes p {
    margin: 0;
    color: var(--vista-text);
}

.vista-cta {
    padding: 66px 0;
    color: #fff;
    background:
        radial-gradient(circle at 90% 10%, rgba(38, 216, 196, 0.34), transparent 24%),
        linear-gradient(125deg, #6448ef, #3d27b6 64%, #201663);
}

.vista-cta__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 46px;
}

.vista-cta__inner > div {
    max-width: 760px;
}

.vista-cta .vista-kicker {
    color: #bdb1ff;
}

.vista-cta h2 {
    margin-bottom: 10px;
}

.vista-cta p:last-child {
    margin: 0;
    color: rgba(255, 255, 255, 0.72);
}

.vista-button--white {
    flex: 0 0 auto;
    color: var(--vista-purple-dark);
    background: #fff;
    box-shadow: 0 16px 34px rgba(11, 7, 34, 0.22);
}

.vista-faq {
    background: #f8f7fc;
}

.vista-faq__grid {
    display: grid;
    grid-template-columns: 0.72fr 1.28fr;
    gap: 72px;
    align-items: start;
}

.vista-text-link {
    display: inline-flex;
    margin-top: 25px;
    color: var(--vista-purple);
    font-weight: 850;
}

.vista-faq__list {
    display: grid;
    gap: 12px;
}

.vista-faq details {
    overflow: hidden;
    background: #fff;
    border: 1px solid var(--vista-line);
    border-radius: 16px;
}

.vista-faq summary {
    position: relative;
    padding: 20px 50px 20px 22px;
    cursor: pointer;
    font-weight: 850;
    list-style: none;
}

.vista-faq summary::-webkit-details-marker {
    display: none;
}

.vista-faq summary::after {
    position: absolute;
    top: 50%;
    right: 21px;
    content: "+";
    color: var(--vista-purple);
    font-size: 23px;
    transform: translateY(-50%);
}

.vista-faq details[open] summary::after {
    content: "−";
}

.vista-faq details p {
    margin: 0;
    padding: 0 22px 20px;
    color: var(--vista-text);
    font-size: 14px;
}

.vista-footer {
    padding: 50px 0 34px;
    color: rgba(255, 255, 255, 0.7);
    background: #111020;
}

.vista-footer__grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr auto;
    gap: 44px;
    align-items: end;
}

.vista-brand--footer img {
    filter: brightness(0) invert(1);
}

.vista-footer p {
    max-width: 430px;
    margin: 16px 0 0;
    font-size: 13px;
}

.vista-footer nav {
    display: grid;
    grid-template-columns: repeat(2, max-content);
    gap: 10px 28px;
    font-size: 13px;
}

.vista-footer a:hover {
    color: #fff;
}

.vista-footer__copyright {
    white-space: nowrap;
}

@media (max-width: 1080px) {
    .vista-nav {
        display: none;
    }

    .vista-header__button {
        margin-left: auto;
    }

    .vista-hero__grid,
    .vista-overview__grid,
    .vista-workflow__grid,
    .vista-faq__grid {
        grid-template-columns: 1fr;
    }

    .vista-hero__copy {
        text-align: center;
    }

    .vista-hero__lead,
    .vista-heading--left {
        margin-right: auto;
        margin-left: auto;
        text-align: center;
    }

    .vista-hero__actions {
        justify-content: center;
    }

    .vista-hero__art {
        width: min(100%, 760px);
        margin: 0 auto;
    }

    .vista-platforms__grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .vista-workflow__visual {
        min-height: 430px;
    }

    .vista-footer__grid {
        grid-template-columns: 1fr 1fr;
    }

    .vista-footer__copyright {
        grid-column: 1 / -1;
    }
}

@media (max-width: 760px) {
    .vista-shell {
        width: min(calc(100% - 28px), var(--vista-shell));
    }

    .vista-header__inner {
        min-height: 68px;
    }

    .vista-brand img {
        width: 144px;
    }

    .vista-header__button {
        min-height: 39px;
        padding: 0 16px;
        font-size: 13px;
    }

    .vista-hero {
        padding: 58px 0 66px;
    }

    .vista-hero__grid {
        grid-template-columns: 1fr;
        gap: 38px;
    }

    .vista-hero h1 {
        font-size: 36px;
    }

    .vista-hero__lead {
        font-size: 16px;
    }

    .vista-hero__actions .vista-button {
        width: 100%;
    }

    .vista-hero__facts {
        grid-template-columns: 1fr;
    }

    .vista-hero__art {
        min-height: 330px;
    }

    .vista-hero__backdrop {
        inset: 0 -80px 0 0;
        border-radius: 36% 0 0 34%;
    }

    .vista-hero__laptop {
        width: 500px;
        bottom: 8px;
    }

    .vista-hero__panel {
        top: 55px;
        width: 150px;
        padding: 16px 14px 13px;
    }

    .vista-hero__panel img {
        width: 58px;
    }

    .vista-chip {
        display: none;
    }

    .vista-ribbon {
        margin-top: -10px;
    }

    .vista-ribbon__grid,
    .vista-overview__cards,
    .vista-platforms__grid,
    .vista-scenes__grid {
        grid-template-columns: 1fr;
    }

    .vista-ribbon__grid div {
        border-right: 0;
        border-bottom: 1px solid var(--vista-line);
    }

    .vista-ribbon__grid div:last-child {
        border-bottom: 0;
    }

    .vista-section {
        padding: 76px 0;
    }

    .vista-heading {
        margin-bottom: 34px;
    }

    .vista-heading h2,
    .vista-cta h2 {
        font-size: 29px;
    }

    .vista-heading > p:last-child {
        font-size: 15px;
    }

    .vista-overview__grid,
    .vista-workflow__grid,
    .vista-faq__grid {
        gap: 42px;
    }

    .vista-platform-card {
        min-height: 290px;
    }

    .vista-workflow__visual {
        min-height: 340px;
    }

    .vista-workflow__screen {
        width: 210px;
        height: 210px;
    }

    .vista-workflow__screen img {
        width: 188px;
    }

    .vista-steps li {
        grid-template-columns: 42px 1fr;
        padding: 18px;
    }

    .vista-cta {
        padding: 54px 0;
    }

    .vista-cta__inner {
        flex-direction: column;
        align-items: flex-start;
    }

    .vista-button--white {
        width: 100%;
    }

    .vista-footer__grid {
        grid-template-columns: 1fr;
        align-items: start;
    }

    .vista-footer__copyright {
        grid-column: auto;
    }
}

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

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}