:root {
    --nova-primary: #6248e8;
    --nova-primary-deep: #4931c9;
    --nova-primary-soft: #eeeaff;
    --nova-secondary: #21c8b5;
    --nova-ink: #171426;
    --nova-text: #454052;
    --nova-muted: #777184;
    --nova-line: #e8e4f0;
    --nova-surface: #ffffff;
    --nova-soft: #f7f6fb;
    --nova-dark: #171329;
    --nova-shell: 1180px;
    --nova-radius: 28px;
    --nova-shadow: 0 24px 65px rgba(43, 34, 89, 0.12);
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    color: var(--nova-text);
    background: var(--nova-surface);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Arial, sans-serif;
    font-size: 16px;
    line-height: 1.75;
    -webkit-font-smoothing: antialiased;
}

body,
button,
input {
    font-family: inherit;
}

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

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

h1,
h2,
h3,
p,
ul,
dl,
dd {
    margin-top: 0;
}

h1,
h2,
h3 {
    color: var(--nova-ink);
    line-height: 1.22;
}

.nova-shell {
    width: min(calc(100% - 40px), var(--nova-shell));
    margin: 0 auto;
}

.nova-skip {
    position: fixed;
    z-index: 999;
    top: 12px;
    left: 12px;
    padding: 9px 14px;
    color: #fff;
    background: var(--nova-primary);
    border-radius: 9px;
    transform: translateY(-150%);
}

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

.nova-header {
    position: sticky;
    z-index: 30;
    top: 0;
    background: rgba(255, 255, 255, 0.92);
    border-bottom: 1px solid rgba(232, 228, 240, 0.8);
    backdrop-filter: blur(18px);
}

.nova-header-inner {
    display: flex;
    min-height: 76px;
    align-items: center;
    gap: 34px;
}

.nova-logo {
    flex: 0 0 auto;
}

.nova-logo img,
.nova-footer-logo img {
    width: 148px;
    height: auto;
}

.nova-nav {
    display: flex;
    align-items: center;
    gap: 28px;
    margin-left: auto;
    color: #514c5f;
    font-size: 15px;
    font-weight: 650;
}

.nova-nav a {
    position: relative;
    padding: 25px 0;
}

.nova-nav a::after {
    position: absolute;
    right: 0;
    bottom: 18px;
    left: 0;
    height: 2px;
    content: "";
    background: var(--nova-primary);
    border-radius: 999px;
    transform: scaleX(0);
    transition: transform 0.2s ease;
}

.nova-nav a:hover::after,
.nova-nav a[aria-current="page"]::after {
    transform: scaleX(1);
}

.nova-header-action {
    display: inline-flex;
    min-height: 42px;
    align-items: center;
    justify-content: center;
    padding: 0 20px;
    color: #fff;
    background: var(--nova-primary);
    border-radius: 12px;
    font-size: 14px;
    font-weight: 800;
    box-shadow: 0 10px 22px rgba(98, 72, 232, 0.22);
    transition: transform 0.2s ease, background 0.2s ease;
}

.nova-header-action:hover {
    background: var(--nova-primary-deep);
    transform: translateY(-1px);
}

.nova-hero {
    position: relative;
    overflow: hidden;
    padding: 34px 0 88px;
    background:
        radial-gradient(circle at 88% 15%, rgba(35, 205, 183, 0.2), transparent 26%),
        radial-gradient(circle at 5% 38%, rgba(122, 88, 255, 0.18), transparent 28%),
        linear-gradient(135deg, #fbfaff 0%, #f1edff 54%, #eefcf9 100%);
}

.nova-hero::before {
    position: absolute;
    top: -390px;
    right: -240px;
    width: 880px;
    height: 880px;
    content: "";
    background: url("../picture/bg_gnew.DjCZlwAX.webp") center / contain no-repeat;
    opacity: 0.62;
    pointer-events: none;
}

.nova-breadcrumb {
    position: relative;
    z-index: 2;
    display: flex;
    align-items: center;
    gap: 9px;
    margin-bottom: 38px;
    color: #777184;
    font-size: 13px;
}

.nova-breadcrumb a:hover {
    color: var(--nova-primary);
}

.nova-hero-layout {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: minmax(0, 0.96fr) minmax(480px, 1.04fr);
    align-items: center;
    gap: 72px;
}

.nova-label {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    margin-bottom: 17px;
    color: var(--nova-primary);
    font-size: 13px;
    font-weight: 850;
    letter-spacing: 0.12em;
}

.nova-label::before {
    width: 27px;
    height: 3px;
    content: "";
    background: currentColor;
    border-radius: 999px;
}

.nova-hero-copy h1 {
    max-width: 620px;
    margin-bottom: 22px;
    font-size: clamp(40px, 5.3vw, 62px);
    letter-spacing: -0.045em;
}

.nova-hero-copy > p {
    max-width: 610px;
    margin-bottom: 29px;
    color: #625d70;
    font-size: 18px;
}

.nova-hero-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 13px;
    margin-bottom: 30px;
}

.nova-button {
    display: inline-flex;
    min-height: 52px;
    align-items: center;
    justify-content: center;
    padding: 0 25px;
    border: 1px solid transparent;
    border-radius: 14px;
    font-weight: 800;
    transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

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

.nova-button-main {
    color: #fff;
    background: var(--nova-primary);
    box-shadow: 0 16px 30px rgba(98, 72, 232, 0.24);
}

.nova-button-main:hover {
    background: var(--nova-primary-deep);
    box-shadow: 0 20px 38px rgba(98, 72, 232, 0.3);
}

.nova-button-light {
    color: var(--nova-ink);
    background: rgba(255, 255, 255, 0.78);
    border-color: rgba(255, 255, 255, 0.9);
    box-shadow: 0 12px 25px rgba(46, 39, 80, 0.08);
}

.nova-hero-notes {
    display: grid;
    gap: 9px;
    margin: 0;
    padding: 0;
    color: #494454;
    font-size: 14px;
    font-weight: 650;
    list-style: none;
}

.nova-hero-notes li {
    position: relative;
    padding-left: 25px;
}

.nova-hero-notes li::before {
    position: absolute;
    top: 8px;
    left: 0;
    width: 15px;
    height: 15px;
    content: "✓";
    color: #fff;
    background: var(--nova-secondary);
    border-radius: 50%;
    font-size: 10px;
    line-height: 15px;
    text-align: center;
}

.nova-hero-panel {
    position: relative;
    padding: 24px 25px 23px;
    background: rgba(255, 255, 255, 0.74);
    border: 1px solid rgba(255, 255, 255, 0.88);
    border-radius: 32px;
    box-shadow: 0 34px 80px rgba(55, 42, 119, 0.16);
    backdrop-filter: blur(16px);
}

.nova-panel-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 13px;
}

.nova-panel-head div {
    display: grid;
    gap: 1px;
}

.nova-panel-head div span {
    color: var(--nova-muted);
    font-size: 12px;
}

.nova-panel-head strong {
    color: var(--nova-ink);
    font-size: 17px;
}

.nova-panel-state {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 6px 10px;
    color: #147d70;
    background: #e5faf6;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 800;
}

.nova-panel-state::before {
    width: 7px;
    height: 7px;
    content: "";
    background: var(--nova-secondary);
    border-radius: 50%;
    box-shadow: 0 0 0 4px rgba(33, 200, 181, 0.14);
}

.nova-panel-image {
    position: relative;
    min-height: 330px;
    overflow: hidden;
    background:
        radial-gradient(circle at 25% 25%, rgba(134, 91, 255, 0.33), transparent 34%),
        radial-gradient(circle at 72% 26%, rgba(241, 84, 185, 0.24), transparent 36%),
        radial-gradient(circle at 72% 78%, rgba(34, 205, 183, 0.27), transparent 34%),
        linear-gradient(145deg, #e8e1ff, #f9eafa 52%, #e9fbf7);
    border-radius: 24px;
}

.nova-panel-image > img {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 560px;
    max-width: none;
    transform: translate(-50%, -50%);
    filter: drop-shadow(0 26px 38px rgba(55, 43, 108, 0.28)) contrast(1.07) saturate(1.05);
}

.nova-orbit {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 74px;
    transform: translate(-50%, -50%);
}

.nova-orbit img {
    width: 100%;
    border-radius: 50%;
}

.nova-panel-devices {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 8px;
    margin-top: 13px;
}

.nova-panel-devices span {
    padding: 8px 7px;
    color: #575162;
    background: #f4f2f8;
    border-radius: 9px;
    font-size: 12px;
    font-weight: 750;
    text-align: center;
}

.nova-quickbar {
    position: relative;
    z-index: 5;
    margin-top: -33px;
}

.nova-quickbar-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    overflow: hidden;
    background: #fff;
    border: 1px solid var(--nova-line);
    border-radius: 22px;
    box-shadow: var(--nova-shadow);
}

.nova-quickbar-grid div {
    display: grid;
    gap: 3px;
    padding: 23px 26px;
}

.nova-quickbar-grid div + div {
    border-left: 1px solid var(--nova-line);
}

.nova-quickbar-grid strong {
    color: var(--nova-ink);
    font-size: 15px;
}

.nova-quickbar-grid span {
    color: var(--nova-muted);
    font-size: 13px;
}

.nova-section {
    padding: 96px 0;
}

.nova-section-title {
    max-width: 760px;
    margin: 0 auto 49px;
    text-align: center;
}

.nova-section-title h2,
.nova-route-copy h2,
.nova-faq-heading h2,
.nova-final h2 {
    margin-bottom: 18px;
    font-size: clamp(31px, 4vw, 43px);
    letter-spacing: -0.035em;
}

.nova-section-title p,
.nova-route-copy > p,
.nova-faq-heading > p {
    color: var(--nova-muted);
    font-size: 16px;
}

.nova-download-section {
    background: #fff;
}

.nova-download-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 22px;
}

.nova-download-card {
    position: relative;
    display: flex;
    min-height: 100%;
    flex-direction: column;
    padding: 30px;
    background: #fff;
    border: 1px solid var(--nova-line);
    border-radius: var(--nova-radius);
    box-shadow: 0 16px 42px rgba(39, 32, 76, 0.06);
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.nova-download-card:hover {
    border-color: #d8d1fa;
    box-shadow: 0 24px 55px rgba(50, 39, 112, 0.11);
    transform: translateY(-4px);
}

.nova-download-card-featured {
    background:
        radial-gradient(circle at 100% 0, rgba(35, 204, 181, 0.13), transparent 30%),
        linear-gradient(145deg, #faf9ff, #f4f1ff);
    border-color: #dcd5ff;
}

.nova-card-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    margin-bottom: 21px;
}

.nova-platform-icon {
    display: inline-grid;
    width: 50px;
    height: 50px;
    color: #fff;
    background: linear-gradient(145deg, var(--nova-primary), #8a73ff);
    border-radius: 16px;
    font-size: 20px;
    font-weight: 900;
    place-items: center;
    box-shadow: 0 12px 24px rgba(98, 72, 232, 0.22);
}

.nova-card-tag {
    padding: 6px 10px;
    color: #6c6578;
    background: #f3f1f7;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 750;
}

.nova-download-card h3 {
    margin-bottom: 12px;
    font-size: 25px;
}

.nova-download-card > p {
    margin-bottom: 22px;
    color: #6f6978;
}

.nova-download-card dl {
    display: grid;
    gap: 0;
    margin-bottom: 24px;
    padding: 0;
    border-top: 1px solid var(--nova-line);
}

.nova-download-card dl div {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 15px;
    padding: 10px 0;
    border-bottom: 1px solid var(--nova-line);
}

.nova-download-card dt {
    color: var(--nova-muted);
    font-size: 13px;
}

.nova-download-card dd {
    margin: 0;
    color: var(--nova-ink);
    font-size: 13px;
    font-weight: 800;
}

.nova-card-button {
    display: flex;
    min-height: 48px;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-top: auto;
    padding: 0 18px;
    color: #fff;
    background: var(--nova-primary);
    border-radius: 13px;
    font-size: 14px;
    font-weight: 800;
    transition: background 0.2s ease, transform 0.2s ease;
}

.nova-card-button:hover {
    background: var(--nova-primary-deep);
    transform: translateY(-1px);
}

.nova-card-actions {
    display: grid;
    gap: 10px;
    margin-top: auto;
}

.nova-text-link {
    color: var(--nova-primary);
    font-size: 13px;
    font-weight: 800;
    text-align: center;
}

.nova-text-link:hover,
.nova-inline-link:hover {
    text-decoration: underline;
}

.nova-route-section {
    background: var(--nova-soft);
}

.nova-route-layout {
    display: grid;
    grid-template-columns: 0.85fr 1.15fr;
    align-items: start;
    gap: 70px;
}

.nova-route-copy {
    position: sticky;
    top: 112px;
}

.nova-inline-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--nova-primary);
    font-weight: 800;
}

.nova-route-list {
    display: grid;
    gap: 16px;
}

.nova-route-list article {
    display: grid;
    grid-template-columns: 54px 1fr;
    gap: 18px;
    padding: 24px;
    background: #fff;
    border: 1px solid var(--nova-line);
    border-radius: 20px;
}

.nova-route-list article > span {
    display: grid;
    width: 48px;
    height: 48px;
    color: var(--nova-primary);
    background: var(--nova-primary-soft);
    border-radius: 14px;
    font-size: 14px;
    font-weight: 900;
    place-items: center;
}

.nova-route-list h3 {
    margin-bottom: 7px;
    font-size: 20px;
}

.nova-route-list p {
    margin-bottom: 0;
    color: var(--nova-muted);
    font-size: 14px;
}

.nova-setup-section {
    position: relative;
    overflow: hidden;
    color: rgba(255, 255, 255, 0.72);
    background:
        radial-gradient(circle at 88% 20%, rgba(102, 73, 235, 0.66), transparent 30%),
        radial-gradient(circle at 10% 86%, rgba(33, 200, 181, 0.16), transparent 32%),
        var(--nova-dark);
}

.nova-setup-section::after {
    position: absolute;
    right: -160px;
    bottom: -280px;
    width: 620px;
    height: 620px;
    content: "";
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 50%;
    box-shadow: 0 0 0 80px rgba(255, 255, 255, 0.025), 0 0 0 160px rgba(255, 255, 255, 0.015);
}

.nova-section-title-light {
    position: relative;
    z-index: 2;
}

.nova-section-title-light h2 {
    color: #fff;
}

.nova-section-title-light p {
    color: rgba(255, 255, 255, 0.64);
}

.nova-setup-section .nova-label {
    color: #93f0e4;
}

.nova-setup-grid {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
}

.nova-setup-grid article {
    padding: 27px;
    background: rgba(255, 255, 255, 0.075);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 22px;
    backdrop-filter: blur(8px);
}

.nova-step-number {
    display: grid;
    width: 42px;
    height: 42px;
    margin-bottom: 24px;
    color: #fff;
    background: rgba(113, 85, 246, 0.82);
    border-radius: 13px;
    font-weight: 900;
    place-items: center;
}

.nova-setup-grid h3 {
    margin-bottom: 10px;
    color: #fff;
    font-size: 21px;
}

.nova-setup-grid p {
    margin-bottom: 0;
    color: rgba(255, 255, 255, 0.64);
    font-size: 14px;
}

.nova-check-section {
    background: #fff;
}

.nova-check-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}

.nova-check-grid article {
    padding: 25px;
    background: #fff;
    border: 1px solid var(--nova-line);
    border-radius: 20px;
}

.nova-check-grid article > span {
    display: inline-flex;
    margin-bottom: 20px;
    padding: 5px 9px;
    color: var(--nova-primary);
    background: var(--nova-primary-soft);
    border-radius: 8px;
    font-size: 12px;
    font-weight: 850;
}

.nova-check-grid h3 {
    margin-bottom: 10px;
    font-size: 18px;
}

.nova-check-grid p {
    margin-bottom: 0;
    color: var(--nova-muted);
    font-size: 14px;
}

.nova-faq-section {
    background: var(--nova-soft);
}

.nova-faq-layout {
    display: grid;
    grid-template-columns: 0.78fr 1.22fr;
    align-items: start;
    gap: 72px;
}

.nova-faq-heading {
    position: sticky;
    top: 112px;
}

.nova-faq-list {
    display: grid;
    gap: 12px;
}

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

.nova-faq-list summary {
    position: relative;
    padding: 19px 52px 19px 21px;
    color: var(--nova-ink);
    cursor: pointer;
    font-weight: 800;
    list-style: none;
}

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

.nova-faq-list summary::after {
    position: absolute;
    top: 50%;
    right: 20px;
    width: 24px;
    height: 24px;
    content: "+";
    color: var(--nova-primary);
    background: var(--nova-primary-soft);
    border-radius: 50%;
    line-height: 22px;
    text-align: center;
    transform: translateY(-50%);
}

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

.nova-faq-list p {
    margin: 0;
    padding: 0 21px 20px;
    color: var(--nova-muted);
    font-size: 14px;
}

.nova-final {
    padding: 72px 0;
    color: rgba(255, 255, 255, 0.72);
    background:
        radial-gradient(circle at 82% 12%, rgba(51, 210, 188, 0.25), transparent 23%),
        linear-gradient(120deg, #6549e9, #4a32c8 64%, #362597);
}

.nova-final-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 35px;
}

.nova-final .nova-label {
    color: #b5fff5;
}

.nova-final h2 {
    margin-bottom: 11px;
    color: #fff;
}

.nova-final p {
    margin-bottom: 0;
}

.nova-button-white {
    flex: 0 0 auto;
    color: var(--nova-primary-deep);
    background: #fff;
    box-shadow: 0 18px 35px rgba(21, 14, 68, 0.2);
}

.nova-footer {
    padding: 29px 0;
    color: rgba(255, 255, 255, 0.58);
    background: #110e1d;
    font-size: 13px;
}

.nova-footer-inner {
    display: flex;
    align-items: center;
    gap: 23px;
}

.nova-footer-logo img {
    filter: brightness(0) invert(1);
    opacity: 0.92;
}

.nova-footer p {
    margin: 0;
}

.nova-footer nav {
    display: flex;
    gap: 18px;
    margin-left: auto;
}

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

@media (max-width: 1040px) {
    .nova-nav {
        gap: 18px;
    }

    .nova-hero-layout {
        grid-template-columns: 1fr;
        gap: 46px;
    }

    .nova-hero-copy {
        max-width: 760px;
        text-align: center;
        margin: 0 auto;
    }

    .nova-hero-copy > p,
    .nova-hero-notes {
        margin-right: auto;
        margin-left: auto;
    }

    .nova-hero-buttons {
        justify-content: center;
    }

    .nova-hero-notes {
        width: fit-content;
        text-align: left;
    }

    .nova-hero-panel {
        max-width: 720px;
        margin: 0 auto;
    }

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

    .nova-route-layout,
    .nova-faq-layout {
        grid-template-columns: 1fr;
        gap: 42px;
    }

    .nova-route-copy,
    .nova-faq-heading {
        position: static;
        max-width: 760px;
    }
}

@media (max-width: 780px) {
    .nova-shell {
        width: min(calc(100% - 28px), var(--nova-shell));
    }

    .nova-header-inner {
        min-height: 68px;
        gap: 12px;
    }

    .nova-logo img {
        width: 132px;
    }

    .nova-nav {
        display: none;
    }

    .nova-header-action {
        margin-left: auto;
        min-height: 39px;
        padding: 0 15px;
    }

    .nova-hero {
        padding: 24px 0 68px;
    }

    .nova-breadcrumb {
        margin-bottom: 26px;
    }

    .nova-hero-copy h1 {
        font-size: 38px;
    }

    .nova-hero-copy > p {
        font-size: 16px;
    }

    .nova-hero-buttons .nova-button {
        width: 100%;
    }

    .nova-hero-panel {
        padding: 17px;
        border-radius: 24px;
    }

    .nova-panel-image {
        min-height: 245px;
    }

    .nova-panel-image > img {
        width: 430px;
    }

    .nova-panel-devices {
        grid-template-columns: repeat(2, 1fr);
    }

    .nova-quickbar {
        margin-top: -22px;
    }

    .nova-quickbar-grid {
        grid-template-columns: 1fr;
    }

    .nova-quickbar-grid div + div {
        border-top: 1px solid var(--nova-line);
        border-left: 0;
    }

    .nova-section {
        padding: 72px 0;
    }

    .nova-section-title {
        margin-bottom: 34px;
    }

    .nova-section-title h2,
    .nova-route-copy h2,
    .nova-faq-heading h2,
    .nova-final h2 {
        font-size: 30px;
    }

    .nova-download-grid,
    .nova-setup-grid,
    .nova-check-grid {
        grid-template-columns: 1fr;
    }

    .nova-download-card {
        padding: 24px;
        border-radius: 22px;
    }

    .nova-route-list article {
        grid-template-columns: 45px 1fr;
        padding: 20px;
    }

    .nova-route-list article > span {
        width: 42px;
        height: 42px;
    }

    .nova-final-inner,
    .nova-footer-inner {
        flex-direction: column;
        align-items: flex-start;
    }

    .nova-final .nova-button {
        width: 100%;
    }

    .nova-footer nav {
        margin-left: 0;
    }
}

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

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