:root {
    color-scheme: light;
    --page-bg: #f7fbff;
    --panel-bg: rgba(255, 255, 255, 0.82);
    --panel-strong: rgba(255, 255, 255, 0.93);
    --border: rgba(151, 181, 212, 0.22);
    --text-strong: #17324d;
    --text-body: #5f7892;
    --text-soft: #8aa0b5;
    --green: #2db567;
    --green-deep: #1e9952;
    --gray: #b6c5d3;
    --shadow: 0 24px 60px rgba(93, 129, 165, 0.16);
}

* {
    box-sizing: border-box;
}

html,
body {
    margin: 0;
    min-height: 100%;
    font-family: "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif;
    background:
        radial-gradient(circle at 15% 18%, rgba(140, 221, 188, 0.30), transparent 18%),
        radial-gradient(circle at 85% 14%, rgba(117, 195, 255, 0.26), transparent 19%),
        radial-gradient(circle at 55% 74%, rgba(255, 221, 166, 0.18), transparent 24%),
        linear-gradient(180deg, #f9fcff 0%, #f2f8fd 48%, #f7fbff 100%);
    color: var(--text-strong);
}

body {
    overflow-x: hidden;
}

.page-shell {
    position: relative;
    min-height: 100vh;
    padding: 24px;
}

.ambient {
    position: fixed;
    border-radius: 999px;
    filter: blur(22px);
    opacity: 0.58;
    pointer-events: none;
    animation: breathe 9s ease-in-out infinite;
}

.ambient-a {
    top: 8vh;
    left: 5vw;
    width: 240px;
    height: 240px;
    background: rgba(129, 214, 255, 0.28);
}

.ambient-b {
    top: 42vh;
    right: 8vw;
    width: 280px;
    height: 280px;
    background: rgba(129, 234, 180, 0.22);
    animation-delay: -3s;
}

.ambient-c {
    bottom: 5vh;
    left: 42vw;
    width: 260px;
    height: 260px;
    background: rgba(255, 207, 133, 0.20);
    animation-delay: -6s;
}

.topbar,
.main-layout {
    position: relative;
    z-index: 1;
}

.topbar {
    max-width: 1240px;
    margin: 0 auto 28px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    color: var(--text-strong);
    text-decoration: none;
    font-weight: 700;
}

.brand img {
    width: auto;
    height: 46px;
    border-radius: 14px;
    box-shadow: 0 10px 24px rgba(114, 151, 188, 0.22);
}

.back-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    padding: 0 18px;
    border-radius: 999px;
    text-decoration: none;
    color: var(--text-strong);
    background: rgba(255, 255, 255, 0.78);
    border: 1px solid rgba(155, 184, 210, 0.20);
    box-shadow: 0 10px 26px rgba(109, 137, 163, 0.10);
}

.main-layout {
    max-width: 1240px;
    margin: 0 auto;
    display: grid;
    gap: 24px;
}

.hero-card,
.content-card,
.platform-card {
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
    backdrop-filter: blur(20px);
}

.hero-card {
    display: grid;
    grid-template-columns: minmax(0, 1.3fr) minmax(320px, 0.7fr);
    gap: 22px;
    padding: 36px;
    border-radius: 34px;
    background: linear-gradient(145deg, rgba(255, 255, 255, 0.84), rgba(246, 251, 255, 0.92));
}

.eyebrow,
.section-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    min-height: 32px;
    padding: 0 14px;
    border-radius: 999px;
    background: rgba(230, 242, 255, 0.92);
    color: #4b739d;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.08em;
}

.hero-copy h1 {
    margin: 18px 0 16px;
    font-size: clamp(34px, 4vw, 58px);
    line-height: 1.08;
    letter-spacing: -0.04em;
}

.hero-text {
    margin: 0;
    max-width: 720px;
    font-size: 17px;
    line-height: 1.9;
    color: var(--text-body);
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-top: 28px;
}

.primary-button,
.secondary-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 52px;
    padding: 0 22px;
    border-radius: 999px;
    font-size: 15px;
    font-weight: 700;
    text-decoration: none;
    transition: transform 180ms ease, box-shadow 180ms ease, opacity 180ms ease;
}

.primary-button {
    border: 0;
    cursor: pointer;
    color: white;
    background: linear-gradient(135deg, #24b35e, #33c86e 54%, #55df8f);
    box-shadow: 0 16px 32px rgba(43, 182, 99, 0.28);
}

.secondary-button {
    color: var(--text-strong);
    background: rgba(255, 255, 255, 0.90);
    border: 1px solid rgba(151, 181, 212, 0.28);
}

.primary-button:hover,
.secondary-button:hover,
.back-link:hover {
    transform: translateY(-1px);
}

.status-strip {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 22px;
}

.status-chip {
    display: inline-flex;
    align-items: center;
    min-height: 36px;
    padding: 0 14px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.86);
    border: 1px solid rgba(147, 175, 199, 0.20);
    color: #587591;
    font-size: 13px;
    font-weight: 600;
}

.status-chip.is-live {
    background: rgba(231, 251, 239, 0.92);
    color: var(--green-deep);
}

.status-chip.muted {
    color: var(--text-soft);
}

.hero-panel {
    position: relative;
    min-height: 100%;
    border-radius: 30px;
    overflow: hidden;
}

.hero-panel__glass {
    position: absolute;
    inset: 0;
    background:
        linear-gradient(180deg, rgba(140, 218, 255, 0.25), rgba(255, 255, 255, 0.88)),
        linear-gradient(135deg, rgba(126, 214, 176, 0.22), rgba(255, 217, 150, 0.14));
}

.hero-panel__content {
    position: relative;
    padding: 28px;
    display: grid;
    gap: 16px;
}

.hero-panel__meta {
    color: #5d87af;
    font-size: 14px;
    font-weight: 700;
}

.hero-panel h2 {
    margin: 0;
    font-size: 28px;
    line-height: 1.2;
}

.hero-panel__summary {
    margin: 0;
    color: var(--text-body);
    line-height: 1.8;
}

.hero-panel__facts {
    display: grid;
    gap: 12px;
    margin: 0;
}

.hero-panel__facts div {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 20px;
    padding: 14px 16px;
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.72);
}

.hero-panel__facts dt {
    color: var(--text-soft);
    font-size: 13px;
}

.hero-panel__facts dd {
    margin: 0;
    color: var(--text-strong);
    font-weight: 700;
}

.platform-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 18px;
}

.platform-card {
    display: grid;
    gap: 18px;
    padding: 24px;
    border-radius: 28px;
    background: var(--panel-bg);
}

.platform-card--android {
    background: linear-gradient(180deg, rgba(247, 255, 250, 0.95), rgba(255, 255, 255, 0.88));
}

.platform-card.is-disabled {
    background: rgba(255, 255, 255, 0.70);
}

.platform-icon {
    width: 58px;
    height: 58px;
    display: grid;
    place-items: center;
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.78);
    color: var(--gray);
}

.platform-card--android .platform-icon {
    color: var(--green);
    background: rgba(229, 252, 237, 0.96);
}

.platform-icon svg {
    width: 32px;
    height: 32px;
}

.platform-copy h3 {
    margin: 0 0 10px;
    font-size: 22px;
}

.platform-copy p {
    margin: 0;
    color: var(--text-body);
    line-height: 1.8;
}

.platform-footer {
    display: flex;
    justify-content: flex-start;
}

.tag {
    display: inline-flex;
    align-items: center;
    min-height: 34px;
    padding: 0 14px;
    border-radius: 999px;
    background: rgba(237, 242, 247, 0.92);
    color: #8da1b3;
    font-size: 13px;
    font-weight: 700;
}

.tag--green {
    background: rgba(230, 252, 237, 0.96);
    color: var(--green-deep);
}

.content-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
}

.content-card {
    padding: 24px;
    border-radius: 28px;
    background: var(--panel-strong);
}

.content-card h2 {
    margin: 16px 0 14px;
    font-size: 25px;
    line-height: 1.25;
}

.bullet-list {
    margin: 0;
    padding-left: 20px;
    color: var(--text-body);
    line-height: 1.9;
}

.section-note {
    margin: 0;
    color: var(--text-body);
    line-height: 1.9;
}

.release-notes {
    color: var(--text-body);
    line-height: 1.9;
}

.release-notes p,
.release-notes ul,
.release-notes ol {
    margin: 0 0 12px;
}

.release-notes ul,
.release-notes ol {
    padding-left: 20px;
}

.release-notes > :last-child {
    margin-bottom: 0;
}

@keyframes breathe {
    0%,
    100% {
        transform: scale(1) translate3d(0, 0, 0);
        opacity: 0.52;
    }
    50% {
        transform: scale(1.08) translate3d(0, -10px, 0);
        opacity: 0.72;
    }
}

@media (max-width: 1080px) {
    .hero-card,
    .platform-grid,
    .content-grid {
        grid-template-columns: 1fr 1fr;
    }

    .hero-card {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 720px) {
    .page-shell {
        padding: 18px;
    }

    .topbar {
        flex-direction: column;
        align-items: stretch;
    }

    .back-link {
        width: 100%;
    }

    .hero-card,
    .platform-grid,
    .content-grid {
        grid-template-columns: 1fr;
    }

    .hero-card {
        padding: 24px;
        border-radius: 28px;
    }

    .hero-copy h1 {
        font-size: 34px;
    }
}