/* 跨主题共享的默认基础、布局与组件样式。 */
:root {
    --radius-xl: 34px;
    --radius-lg: 24px;
    --radius-md: 18px;
    --container: 1220px;
    --header-height: 78px;
}


*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    overflow-x: clip;
    scroll-behavior: smooth;
    scroll-padding-top: calc(var(--header-height) + 24px);
}

body {
    min-width: 320px;
    min-height: 100vh;
    margin: 0;
    overflow-x: clip;
    color: var(--text);
    font-family:
        Inter,
        "SF Pro Display",
        "SF Pro Text",
        "PingFang SC",
        "Microsoft YaHei",
        system-ui,
        -apple-system,
        BlinkMacSystemFont,
        sans-serif;
    line-height: 1.65;
    background:
        radial-gradient(circle at 15% -10%, rgba(91, 180, 255, 0.22), transparent 31rem),
        radial-gradient(circle at 86% 8%, rgba(112, 126, 255, 0.2), transparent 34rem),
        radial-gradient(circle at 52% 64%, rgba(46, 232, 211, 0.08), transparent 30rem),
        linear-gradient(180deg, #071321 0%, var(--bg) 48%, var(--bg-deep) 100%);
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
}

body::before {
    content: "";
    position: fixed;
    inset: 0;
    z-index: -3;
    pointer-events: none;
    opacity: 0.28;
    background-image:
        linear-gradient(rgba(142, 216, 255, 0.025) 1px, transparent 1px),
        linear-gradient(90deg, rgba(142, 216, 255, 0.025) 1px, transparent 1px);
    background-size: 56px 56px;
    mask-image: linear-gradient(to bottom, #000 0%, transparent 92%);
}

body::after {
    content: "";
    position: fixed;
    inset: 0;
    z-index: -2;
    pointer-events: none;
    opacity: 0.12;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 220 220' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.78' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.28'/%3E%3C/svg%3E");
    mix-blend-mode: soft-light;
}

::selection {
    color: #06101d;
    background: var(--primary);
}

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

button,
input {
    font: inherit;
}

button {
    color: inherit;
}

img,
svg {
    display: block;
}

.page-shell {
    position: relative;
    overflow-x: clip;
    isolation: isolate;
}

.ambient {
    position: absolute;
    z-index: -1;
    pointer-events: none;
    border-radius: 999px;
    filter: blur(1px);
}

.ambient-one {
    width: 22rem;
    height: 22rem;
    top: 5rem;
    left: -13rem;
    border: 1px solid rgba(142, 216, 255, 0.08);
    box-shadow: 0 0 130px 30px rgba(79, 185, 243, 0.08);
}

.ambient-two {
    width: 32rem;
    height: 32rem;
    top: 45rem;
    right: -20rem;
    border: 1px solid rgba(123, 141, 255, 0.08);
    box-shadow: 0 0 160px 40px rgba(123, 141, 255, 0.08);
}

.container {
    width: min(var(--container), calc(100% - 48px));
    margin-inline: auto;
}

.site-header {
    position: fixed;
    inset: 0 0 auto;
    z-index: 100;
    height: var(--header-height);
    border-bottom: 1px solid transparent;
    transition:
        background-color 0.25s ease,
        border-color 0.25s ease,
        box-shadow 0.25s ease;
}

.site-header.is-scrolled,
.site-header.is-menu-open {
    border-color: rgba(142, 216, 255, 0.1);
    background: rgba(4, 12, 23, 0.76);
    box-shadow: 0 12px 42px rgba(0, 0, 0, 0.18);
    backdrop-filter: blur(22px) saturate(145%);
    -webkit-backdrop-filter: blur(22px) saturate(145%);
}

.nav-inner {
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 28px;
}

.brand {
    min-width: 0;
    display: inline-flex;
    align-items: center;
    gap: 12px;
}

.brand-logo {
    width: 46px;
    height: 46px;
    flex: 0 0 auto;
    object-fit: cover;
    border: 1px solid rgba(255, 255, 255, 0.16);
    border-radius: 15px;
    box-shadow:
        0 10px 30px rgba(0, 0, 0, 0.28),
        0 0 0 5px rgba(142, 216, 255, 0.04);
}

.brand-copy {
    min-width: 0;
}

.brand-name {
    display: block;
    overflow: hidden;
    font-size: 17px;
    font-weight: 800;
    letter-spacing: 0.1em;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.brand-subtitle {
    display: block;
    margin-top: -2px;
    color: var(--muted);
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 7px;
    margin-left: auto;
}

.nav-link {
    min-height: 44px;
    display: inline-flex;
    align-items: center;
    padding: 0 16px;
    border-radius: 999px;
    color: var(--text-soft);
    font-size: 14px;
    font-weight: 650;
    transition:
        color 0.2s ease,
        background-color 0.2s ease;
}

.nav-link:hover,
.nav-link:focus-visible {
    color: var(--text);
    background: rgba(255, 255, 255, 0.06);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 10px;
}

.mobile-menu-button {
    width: 46px;
    height: 46px;
    display: none;
    place-items: center;
    border: 1px solid var(--line);
    border-radius: 15px;
    background: rgba(255, 255, 255, 0.045);
    cursor: pointer;
}

.mobile-menu-button span,
.mobile-menu-button span::before,
.mobile-menu-button span::after {
    width: 19px;
    height: 1.5px;
    display: block;
    border-radius: 999px;
    background: currentColor;
    transition: transform 0.2s ease;
}

.mobile-menu-button span {
    position: relative;
}

.mobile-menu-button span::before,
.mobile-menu-button span::after {
    content: "";
    position: absolute;
    left: 0;
}

.mobile-menu-button span::before {
    top: -6px;
}

.mobile-menu-button span::after {
    top: 6px;
}

.mobile-menu-button[aria-expanded="true"] span {
    background: transparent;
}

.mobile-menu-button[aria-expanded="true"] span::before {
    transform: translateY(6px) rotate(45deg);
}

.mobile-menu-button[aria-expanded="true"] span::after {
    transform: translateY(-6px) rotate(-45deg);
}

.btn {
    min-height: 48px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 0 21px;
    border: 1px solid transparent;
    border-radius: 15px;
    font-size: 14px;
    font-weight: 760;
    letter-spacing: 0.01em;
    cursor: pointer;
    transition:
        transform 0.22s ease,
        border-color 0.22s ease,
        background-color 0.22s ease,
        box-shadow 0.22s ease;
}

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

.btn:active {
    transform: translateY(0);
}

.btn:focus-visible,
.player-button:focus-visible,
.mobile-menu-button:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 3px;
}

.btn-primary {
    color: #04111d;
    background: linear-gradient(135deg, #c8efff 0%, #78cfff 45%, #8d9bff 100%);
    box-shadow:
        0 18px 45px rgba(79, 185, 243, 0.2),
        inset 0 1px 0 rgba(255, 255, 255, 0.72);
}

.btn-primary:hover {
    box-shadow:
        0 22px 55px rgba(79, 185, 243, 0.28),
        inset 0 1px 0 rgba(255, 255, 255, 0.78);
}

.btn-secondary {
    border-color: var(--line);
    color: var(--text);
    background: rgba(255, 255, 255, 0.055);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.035);
}

.btn-secondary:hover {
    border-color: var(--line-strong);
    background: rgba(255, 255, 255, 0.085);
}

.btn-compact {
    min-height: 44px;
    padding-inline: 17px;
    border-radius: 14px;
}

.btn svg {
    width: 18px;
    height: 18px;
}

main {
    overflow: hidden;
}

.hero {
    position: relative;
    min-height: 850px;
    display: flex;
    align-items: center;
    padding: calc(var(--header-height) + 72px) 0 82px;
}

.hero::after {
    content: "";
    position: absolute;
    left: 50%;
    bottom: 0;
    width: min(1100px, 92%);
    height: 1px;
    transform: translateX(-50%);
    background: linear-gradient(90deg, transparent, rgba(142, 216, 255, 0.2), transparent);
}

.hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.04fr) minmax(500px, 0.96fr);
    align-items: center;
    gap: clamp(48px, 7vw, 96px);
}

.hero-copy {
    position: relative;
    z-index: 2;
}

.eyebrow {
    width: fit-content;
    min-height: 38px;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 0 14px;
    border: 1px solid var(--line);
    border-radius: 999px;
    color: #c8eaff;
    font-size: 12px;
    font-weight: 760;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    background: rgba(255, 255, 255, 0.045);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
    backdrop-filter: blur(12px);
}

.eyebrow-dot {
    position: relative;
    width: 8px;
    height: 8px;
    flex: 0 0 auto;
    border-radius: 50%;
    background: var(--cyan);
    box-shadow: 0 0 18px rgba(95, 241, 223, 0.72);
}

.eyebrow-dot::after {
    content: "";
    position: absolute;
    inset: -5px;
    border: 1px solid rgba(95, 241, 223, 0.3);
    border-radius: inherit;
    animation: pulse-ring 2.4s ease-out infinite;
}

.hero h1 {
    max-width: 760px;
    margin: 25px 0 0;
    font-size: clamp(48px, 6.2vw, 82px);
    line-height: 1.08;
    letter-spacing: -0.055em;
}

.hero-title-soft {
    color: #dbe7f0;
}

.gradient-text {
    color: transparent;
    background: linear-gradient(110deg, #e9f9ff 5%, #7bd2ff 44%, #8a9aff 78%, #72ead9 108%);
    background-size: 180% auto;
    -webkit-background-clip: text;
    background-clip: text;
    animation: gradient-shift 8s ease-in-out infinite alternate;
}

.hero-description {
    max-width: 650px;
    margin: 26px 0 0;
    color: var(--text-soft);
    font-size: clamp(16px, 1.6vw, 19px);
    line-height: 1.9;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 13px;
    margin-top: 34px;
}

.hero-signals {
    display: flex;
    flex-wrap: wrap;
    gap: 9px 18px;
    margin-top: 32px;
    color: var(--muted);
    font-size: 13px;
}

.hero-signal {
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.hero-signal svg {
    width: 16px;
    height: 16px;
    color: var(--primary);
}

.hero-stage {
    position: relative;
    min-height: 640px;
    display: grid;
    place-items: center;
    perspective: 1200px;
}

.hero-orbit {
    position: absolute;
    inset: 3% 1% 6%;
    border: 1px solid rgba(142, 216, 255, 0.1);
    border-radius: 50%;
    transform: rotate(-12deg);
    box-shadow:
        inset 0 0 70px rgba(79, 185, 243, 0.04),
        0 0 70px rgba(79, 185, 243, 0.04);
}

.hero-orbit::before,
.hero-orbit::after {
    content: "";
    position: absolute;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--primary);
    box-shadow: 0 0 24px rgba(142, 216, 255, 0.9);
}

.hero-orbit::before {
    top: 7%;
    left: 25%;
}

.hero-orbit::after {
    right: 13%;
    bottom: 18%;
    background: var(--secondary);
    box-shadow: 0 0 24px rgba(123, 141, 255, 0.9);
}

.hero-glow {
    position: absolute;
    width: 420px;
    height: 420px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(109, 203, 255, 0.28), rgba(106, 122, 255, 0.07) 55%, transparent 72%);
    filter: blur(4px);
    animation: breathe 5.5s ease-in-out infinite;
}

.logo-stage {
    position: relative;
    z-index: 2;
    width: min(410px, 78vw);
    aspect-ratio: 1;
    padding: 14px;
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: 38px;
    background:
        linear-gradient(145deg, rgba(255, 255, 255, 0.12), rgba(255, 255, 255, 0.025)),
        rgba(12, 24, 40, 0.68);
    box-shadow:
        0 45px 100px rgba(0, 0, 0, 0.48),
        0 0 80px rgba(79, 185, 243, 0.1),
        inset 0 1px 0 rgba(255, 255, 255, 0.16);
    transform: rotateY(-7deg) rotateX(3deg);
    transition: transform 0.5s cubic-bezier(0.22, 1, 0.36, 1);
    backdrop-filter: blur(20px);
}

.logo-stage:hover {
    transform: rotateY(-2deg) rotateX(1deg) translateY(-6px);
}

.logo-stage::before {
    content: "";
    position: absolute;
    inset: -1px;
    z-index: -1;
    border-radius: inherit;
    background: linear-gradient(135deg, rgba(142, 216, 255, 0.42), transparent 32%, transparent 68%, rgba(123, 141, 255, 0.34));
    opacity: 0.62;
    filter: blur(1px);
}

.logo-stage img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 28px;
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.08);
}

.stage-chip,
.stage-player {
    position: absolute;
    z-index: 3;
    border: 1px solid var(--line);
    background: rgba(8, 20, 35, 0.76);
    box-shadow: var(--shadow);
    backdrop-filter: blur(20px) saturate(135%);
    -webkit-backdrop-filter: blur(20px) saturate(135%);
}

.stage-chip {
    min-width: 164px;
    display: flex;
    align-items: center;
    gap: 11px;
    padding: 13px 15px;
    border-radius: 18px;
}

.stage-chip strong {
    display: block;
    font-size: 13px;
}

.stage-chip small {
    display: block;
    margin-top: 1px;
    color: var(--muted);
    font-size: 11px;
}

.chip-icon {
    width: 38px;
    height: 38px;
    display: grid;
    place-items: center;
    flex: 0 0 auto;
    border-radius: 12px;
    color: #071321;
    background: linear-gradient(135deg, var(--primary), var(--cyan));
}

.chip-icon svg {
    width: 19px;
    height: 19px;
}

.chip-accent {
    top: 11%;
    left: -2%;
    animation: float-y 5.2s ease-in-out infinite;
}

.chip-progress {
    right: -4%;
    bottom: 14%;
    animation: float-y 5.8s ease-in-out infinite reverse;
}

.stage-player {
    left: 2%;
    bottom: 2%;
    width: 282px;
    padding: 16px 17px 15px;
    border-radius: 22px;
    animation: float-y 6.4s ease-in-out infinite 0.7s;
}

.stage-player-top,
.stage-player-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
}

.stage-player-title {
    min-width: 0;
}

.stage-player-title strong {
    display: block;
    overflow: hidden;
    font-size: 12px;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.stage-player-title span {
    display: block;
    margin-top: 2px;
    color: var(--muted);
    font-size: 10px;
}

.mini-play {
    width: 36px;
    height: 36px;
    display: grid;
    place-items: center;
    flex: 0 0 auto;
    border: 0;
    border-radius: 50%;
    color: #04111d;
    background: linear-gradient(135deg, #b8eaff, #7e99ff);
}

.mini-play svg {
    width: 14px;
    height: 14px;
    margin-left: 2px;
}

.mini-progress {
    height: 4px;
    margin: 13px 0 9px;
    overflow: hidden;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.08);
}

.mini-progress span {
    width: 63%;
    height: 100%;
    display: block;
    border-radius: inherit;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    animation: progress-demo 4.8s ease-in-out infinite alternate;
}

.stage-player-bottom {
    color: var(--muted);
    font-size: 10px;
}

.section {
    position: relative;
    padding: 108px 0;
}

.section-header {
    max-width: 760px;
    margin-bottom: 48px;
}

.section-kicker {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    color: var(--primary);
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 0.16em;
    text-transform: uppercase;
}

.section-kicker::before {
    content: "";
    width: 28px;
    height: 1px;
    background: linear-gradient(90deg, var(--primary), transparent);
}

.section-title {
    margin: 13px 0 0;
    font-size: clamp(34px, 4.4vw, 56px);
    line-height: 1.2;
    letter-spacing: -0.04em;
}

.section-description {
    max-width: 700px;
    margin: 18px 0 0;
    color: var(--text-soft);
    font-size: 17px;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: 18px;
}

.feature-card {
    position: relative;
    overflow: hidden;
    min-height: 285px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    grid-column: span 4;
    padding: 28px;
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    background:
        linear-gradient(145deg, rgba(255, 255, 255, 0.065), rgba(255, 255, 255, 0.018)),
        rgba(9, 21, 36, 0.62);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.035);
    transition:
        transform 0.3s cubic-bezier(0.22, 1, 0.36, 1),
        border-color 0.3s ease,
        box-shadow 0.3s ease;
}

.feature-card:hover {
    z-index: 2;
    transform: translateY(-7px);
    border-color: var(--line-strong);
    box-shadow:
        0 28px 70px rgba(0, 0, 0, 0.24),
        inset 0 1px 0 rgba(255, 255, 255, 0.06);
}

.feature-card::after {
    content: "";
    position: absolute;
    width: 180px;
    height: 180px;
    right: -90px;
    bottom: -100px;
    border-radius: 50%;
    background: var(--card-glow, rgba(79, 185, 243, 0.14));
    filter: blur(10px);
    transition: transform 0.35s ease;
}

.feature-card:hover::after {
    transform: scale(1.2);
}

.feature-card-wide {
    grid-column: span 6;
}

.feature-number {
    position: absolute;
    top: 23px;
    right: 25px;
    color: rgba(255, 255, 255, 0.14);
    font-size: 38px;
    font-weight: 800;
    letter-spacing: -0.06em;
}

.feature-icon {
    width: 52px;
    height: 52px;
    display: grid;
    place-items: center;
    border: 1px solid rgba(142, 216, 255, 0.18);
    border-radius: 17px;
    color: var(--primary);
    background: rgba(142, 216, 255, 0.075);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08);
}

.feature-icon svg {
    width: 25px;
    height: 25px;
}

.feature-card h3 {
    margin: 34px 0 0;
    font-size: 21px;
    letter-spacing: -0.02em;
}

.feature-card p {
    position: relative;
    z-index: 1;
    margin: 10px 0 0;
    color: var(--text-soft);
    font-size: 14px;
}

.feature-tags {
    position: relative;
    z-index: 1;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 24px;
}

.tag {
    min-height: 30px;
    display: inline-flex;
    align-items: center;
    padding: 0 10px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 999px;
    color: var(--muted);
    font-size: 11px;
    font-weight: 650;
    background: rgba(255, 255, 255, 0.03);
}

.loop-section {
    background:
        radial-gradient(circle at 10% 30%, rgba(79, 185, 243, 0.08), transparent 28rem),
        radial-gradient(circle at 88% 72%, rgba(123, 141, 255, 0.08), transparent 30rem);
}

.loop-grid {
    display: grid;
    grid-template-columns: minmax(300px, 0.82fr) minmax(0, 1.18fr);
    align-items: start;
    gap: clamp(50px, 8vw, 110px);
}

.loop-intro {
    position: sticky;
    top: calc(var(--header-height) + 34px);
}

.loop-intro-card {
    margin-top: 32px;
    padding: 24px;
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    background: rgba(255, 255, 255, 0.035);
}

.loop-intro-card strong {
    display: block;
    font-size: 15px;
}

.loop-intro-card p {
    margin: 8px 0 0;
    color: var(--muted);
    font-size: 13px;
}

.loop-track {
    position: relative;
    display: grid;
    gap: 18px;
}

.loop-track::before {
    content: "";
    position: absolute;
    top: 52px;
    bottom: 52px;
    left: 33px;
    width: 1px;
    background: linear-gradient(var(--primary), rgba(123, 141, 255, 0.42), rgba(95, 241, 223, 0.12));
}

.loop-step {
    position: relative;
    display: grid;
    grid-template-columns: 68px minmax(0, 1fr);
    gap: 20px;
    padding: 25px;
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    background:
        linear-gradient(145deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.018)),
        rgba(7, 18, 31, 0.7);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.035);
    transition:
        transform 0.28s ease,
        border-color 0.28s ease;
}

.loop-step:hover {
    transform: translateX(7px);
    border-color: var(--line-strong);
}

.loop-index {
    position: relative;
    z-index: 1;
    width: 44px;
    height: 44px;
    display: grid;
    place-items: center;
    border: 1px solid rgba(142, 216, 255, 0.25);
    border-radius: 14px;
    color: #071321;
    font-size: 13px;
    font-weight: 850;
    background: linear-gradient(135deg, #c6efff, #7fa1ff);
    box-shadow: 0 10px 26px rgba(79, 185, 243, 0.18);
}

.loop-step h3 {
    margin: 1px 0 0;
    font-size: 20px;
}

.loop-step p {
    margin: 7px 0 0;
    color: var(--text-soft);
    font-size: 14px;
}

.loop-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 15px;
}

.product-showcase {
    position: relative;
    overflow: hidden;
    padding: 34px;
    border: 1px solid var(--line);
    border-radius: var(--radius-xl);
    background:
        radial-gradient(circle at 12% 8%, rgba(79, 185, 243, 0.12), transparent 27rem),
        radial-gradient(circle at 95% 92%, rgba(123, 141, 255, 0.12), transparent 29rem),
        rgba(6, 17, 30, 0.72);
    box-shadow: var(--shadow);
}

.product-showcase::before {
    content: "";
    position: absolute;
    inset: 0;
    pointer-events: none;
    background: linear-gradient(115deg, rgba(255, 255, 255, 0.035), transparent 35%, transparent 70%, rgba(255, 255, 255, 0.02));
}

.showcase-grid {
    position: relative;
    display: grid;
    grid-template-columns: minmax(300px, 0.72fr) minmax(0, 1.28fr);
    align-items: center;
    gap: 42px;
}

.showcase-copy {
    min-width: 0;
    padding: 12px 4px 12px 8px;
}

.showcase-copy h2 {
    margin: 16px 0 0;
    font-size: clamp(32px, 4vw, 50px);
    line-height: 1.2;
    letter-spacing: -0.04em;
}

.showcase-copy p {
    margin: 17px 0 0;
    color: var(--text-soft);
}

.showcase-points {
    display: grid;
    gap: 13px;
    margin-top: 26px;
}

.showcase-point {
    display: flex;
    align-items: flex-start;
    gap: 11px;
    color: var(--text-soft);
    font-size: 14px;
}

.showcase-point-icon {
    width: 22px;
    height: 22px;
    display: grid;
    place-items: center;
    flex: 0 0 auto;
    margin-top: 1px;
    border-radius: 7px;
    color: var(--cyan);
    background: rgba(95, 241, 223, 0.08);
}

.showcase-point-icon svg {
    width: 13px;
    height: 13px;
}

.player-preview {
    position: relative;
    min-width: 0;
    min-height: 600px;
    padding: 22px;
    border: 1px solid rgba(255, 255, 255, 0.11);
    border-radius: 30px;
    background: linear-gradient(155deg, rgba(20, 36, 58, 0.95), rgba(6, 15, 28, 0.96));
    box-shadow:
        0 32px 70px rgba(0, 0, 0, 0.34),
        inset 0 1px 0 rgba(255, 255, 255, 0.06);
}

.preview-topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
}

.preview-back,
.preview-more {
    width: 42px;
    height: 42px;
    display: grid;
    place-items: center;
    flex: 0 0 auto;
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 14px;
    color: var(--text-soft);
    background: rgba(255, 255, 255, 0.035);
}

.preview-back svg,
.preview-more svg {
    width: 19px;
    height: 19px;
}

.preview-title {
    min-width: 0;
    text-align: center;
}

.preview-title strong {
    display: block;
    overflow: hidden;
    font-size: 14px;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.preview-title span {
    display: block;
    margin-top: 1px;
    color: var(--muted);
    font-size: 11px;
}

.preview-body {
    display: grid;
    grid-template-columns: 156px minmax(0, 1fr);
    gap: 24px;
    margin-top: 26px;
}

.preview-cover-wrap {
    position: relative;
}

.preview-cover {
    width: 156px;
    height: 196px;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.14);
    border-radius: 24px;
    background: rgba(255, 255, 255, 0.04);
    box-shadow: 0 22px 50px rgba(0, 0, 0, 0.32);
}

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

.preview-cover-badge {
    position: absolute;
    right: -8px;
    bottom: -9px;
    min-height: 32px;
    display: inline-flex;
    align-items: center;
    padding: 0 11px;
    border: 1px solid rgba(142, 216, 255, 0.2);
    border-radius: 999px;
    color: #071321;
    font-size: 11px;
    font-weight: 800;
    background: linear-gradient(135deg, #bfeeff, #8ca3ff);
}

.preview-meta {
    min-width: 0;
    padding-top: 5px;
}

.accent-switch {
    width: fit-content;
    display: flex;
    padding: 4px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.035);
}

.accent-switch span {
    min-height: 34px;
    display: inline-flex;
    align-items: center;
    padding: 0 13px;
    border-radius: 999px;
    color: var(--muted);
    font-size: 11px;
    font-weight: 750;
}

.accent-switch .active {
    color: #071321;
    background: linear-gradient(135deg, #c4efff, #8da3ff);
}

.preview-meta h3 {
    margin: 18px 0 0;
    font-size: 23px;
    line-height: 1.3;
}

.preview-meta p {
    margin: 8px 0 0;
    color: var(--muted);
    font-size: 12px;
}

.lyrics {
    height: 194px;
    display: grid;
    align-content: center;
    gap: 15px;
    margin-top: 28px;
    overflow: hidden;
    mask-image: linear-gradient(to bottom, transparent, #000 18%, #000 82%, transparent);
}

.lyric-line {
    padding: 2px 15px;
    border-left: 2px solid transparent;
    color: #73869a;
    font-size: 12px;
    transition:
        color 0.25s ease,
        transform 0.25s ease,
        border-color 0.25s ease;
}

.lyric-line strong {
    display: block;
    font-weight: 650;
}

.lyric-line span {
    display: block;
    margin-top: 2px;
    font-size: 11px;
}

.lyric-line.active {
    transform: translateX(7px);
    border-color: var(--primary);
    color: var(--text);
}

.lyric-line.active span {
    color: var(--primary);
}

.player-progress {
    margin-top: 22px;
}

.player-progress-bar {
    position: relative;
    height: 5px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.08);
}

.player-progress-bar span {
    width: 41%;
    height: 100%;
    display: block;
    border-radius: inherit;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
}

.player-progress-bar span::after {
    content: "";
    position: absolute;
    top: 50%;
    left: 41%;
    width: 13px;
    height: 13px;
    border: 3px solid #071321;
    border-radius: 50%;
    background: var(--primary);
    box-shadow: 0 0 20px rgba(142, 216, 255, 0.55);
    transform: translate(-50%, -50%);
}

.player-time {
    display: flex;
    justify-content: space-between;
    margin-top: 8px;
    color: var(--muted);
    font-size: 10px;
}

.player-controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    margin-top: 18px;
}

.player-button {
    width: 46px;
    height: 46px;
    display: grid;
    place-items: center;
    border: 0;
    border-radius: 50%;
    color: var(--text-soft);
    background: rgba(255, 255, 255, 0.045);
    cursor: pointer;
}

.player-button svg {
    width: 18px;
    height: 18px;
}

.player-button.main {
    width: 62px;
    height: 62px;
    color: #06101d;
    background: linear-gradient(135deg, #c7f0ff, #78cfff 52%, #91a2ff);
    box-shadow: 0 16px 34px rgba(79, 185, 243, 0.2);
}

.player-button.main svg {
    width: 22px;
    height: 22px;
    margin-left: 2px;
}

.player-bottom-actions {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 9px;
    margin-top: 21px;
}

.player-action {
    min-height: 43px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 0 8px;
    border: 1px solid rgba(255, 255, 255, 0.07);
    border-radius: 13px;
    color: var(--muted);
    font-size: 10px;
    font-weight: 700;
    background: rgba(255, 255, 255, 0.025);
}

.player-action svg {
    width: 14px;
    height: 14px;
    color: var(--primary);
}

.platform-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.95fr);
    gap: 18px;
}

.platform-main,
.platform-card {
    position: relative;
    overflow: hidden;
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    background:
        linear-gradient(145deg, rgba(255, 255, 255, 0.055), rgba(255, 255, 255, 0.018)),
        rgba(7, 18, 31, 0.68);
}

.platform-main {
    min-height: 390px;
    display: grid;
    grid-template-columns: minmax(0, 1fr) 236px;
    align-items: center;
    gap: 28px;
    padding: 36px;
}

.platform-main::after {
    content: "";
    position: absolute;
    width: 320px;
    height: 320px;
    right: -120px;
    bottom: -160px;
    border-radius: 50%;
    background: rgba(95, 241, 223, 0.08);
    filter: blur(3px);
}

.platform-copy {
    position: relative;
    z-index: 2;
}

.platform-badge {
    width: fit-content;
    min-height: 32px;
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 0 11px;
    border: 1px solid rgba(95, 241, 223, 0.16);
    border-radius: 999px;
    color: var(--cyan);
    font-size: 11px;
    font-weight: 780;
    background: rgba(95, 241, 223, 0.055);
}

.platform-badge svg {
    width: 14px;
    height: 14px;
}

.platform-main h3 {
    margin: 18px 0 0;
    font-size: clamp(28px, 3.2vw, 42px);
    line-height: 1.25;
    letter-spacing: -0.035em;
}

.platform-main p {
    max-width: 570px;
    margin: 13px 0 0;
    color: var(--text-soft);
    font-size: 14px;
}

.platform-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 24px;
}

.mini-program-code {
    position: relative;
    z-index: 2;
    aspect-ratio: 1;
    display: grid;
    place-items: center;
    padding: 20px;
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 30px;
    background:
        radial-gradient(circle at 30% 20%, rgba(142, 216, 255, 0.14), transparent 48%),
        rgba(255, 255, 255, 0.035);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.06);
}

.mini-program-code img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 22px;
    opacity: 0.94;
}

.mini-program-code-label {
    position: absolute;
    left: 50%;
    bottom: 11px;
    min-height: 30px;
    display: inline-flex;
    align-items: center;
    padding: 0 10px;
    border: 1px solid rgba(255, 255, 255, 0.13);
    border-radius: 999px;
    color: var(--text-soft);
    font-size: 10px;
    font-weight: 700;
    white-space: nowrap;
    background: rgba(4, 13, 24, 0.8);
    transform: translateX(-50%);
    backdrop-filter: blur(10px);
}

.platform-side {
    display: grid;
    grid-template-columns: 1fr;
    grid-template-rows: repeat(2, minmax(0, 1fr));
    gap: 18px;
}

.platform-card {
    min-height: 214px;
    display: flex;
    flex-direction: column;
    padding: 24px;
}

.platform-icon {
    width: 46px;
    height: 46px;
    display: grid;
    place-items: center;
    border: 1px solid rgba(142, 216, 255, 0.15);
    border-radius: 15px;
    color: var(--primary);
    background: rgba(142, 216, 255, 0.065);
}

.platform-icon svg {
    width: 22px;
    height: 22px;
}

.platform-card h3 {
    margin: 19px 0 0;
    font-size: 17px;
}

.platform-card p {
    margin: 7px 0 0;
    color: var(--muted);
    font-size: 12px;
}

.platform-card .platform-actions {
    margin-top: auto;
    padding-top: 20px;
}

.platform-card .btn {
    min-height: 40px;
    padding-inline: 14px;
    border-radius: 13px;
    font-size: 11px;
}

.download-button {
    --download-rgb: 142, 216, 255;
    position: relative;
    isolation: isolate;
    overflow: hidden;
    width: 100%;
    min-height: 74px;
    display: grid;
    grid-template-columns: 46px minmax(0, 1fr) 34px;
    align-items: center;
    gap: 13px;
    padding: 11px 12px;
    border: 1px solid rgba(var(--download-rgb), 0.23);
    border-radius: 18px;
    color: var(--text);
    text-align: left;
    background:
        linear-gradient(135deg, rgba(var(--download-rgb), 0.14), rgba(var(--download-rgb), 0.045) 58%, transparent 100%),
        rgba(255, 255, 255, 0.035);
    box-shadow:
        0 16px 34px rgba(0, 0, 0, 0.17),
        inset 0 1px 0 rgba(255, 255, 255, 0.09);
    cursor: pointer;
    transition:
        transform 0.22s ease,
        border-color 0.22s ease,
        background-color 0.22s ease,
        box-shadow 0.22s ease;
}

.download-button::before {
    content: "";
    position: absolute;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    background: linear-gradient(110deg, transparent 10%, rgba(255, 255, 255, 0.11) 46%, transparent 72%);
    transform: translateX(-115%);
    transition: transform 0.58s ease;
}

.download-button>* {
    position: relative;
    z-index: 1;
}

.download-button-ios {
    --download-rgb: 142, 216, 255;
}

.download-button-android {
    --download-rgb: 95, 241, 223;
}

.download-button:hover {
    border-color: rgba(var(--download-rgb), 0.43);
    box-shadow:
        0 22px 46px rgba(var(--download-rgb), 0.12),
        0 18px 38px rgba(0, 0, 0, 0.18),
        inset 0 1px 0 rgba(255, 255, 255, 0.13);
    transform: translateY(-2px);
}

.download-button:hover::before {
    transform: translateX(115%);
}

.download-button:active {
    transform: translateY(0) scale(0.99);
}

.download-button:focus-visible {
    outline: 3px solid rgba(var(--download-rgb), 0.72);
    outline-offset: 4px;
}

.download-button-icon {
    width: 46px;
    height: 46px;
    display: grid;
    place-items: center;
    border: 1px solid rgba(var(--download-rgb), 0.22);
    border-radius: 14px;
    color: rgb(var(--download-rgb));
    background: rgba(var(--download-rgb), 0.12);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08);
}

.download-button-icon svg {
    width: 25px;
    height: 25px;
}

.download-button-copy {
    min-width: 0;
    display: grid;
    gap: 4px;
    line-height: 1.12;
}

.download-button-copy small {
    overflow: hidden;
    color: var(--muted);
    font-size: 10px;
    font-weight: 760;
    letter-spacing: 0.07em;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.download-button-copy strong {
    overflow: hidden;
    color: var(--text);
    font-size: 15px;
    font-weight: 820;
    letter-spacing: -0.015em;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.download-button-arrow {
    width: 32px;
    height: 32px;
    display: grid;
    place-items: center;
    justify-self: end;
    border: 1px solid rgba(var(--download-rgb), 0.18);
    border-radius: 11px;
    color: rgb(var(--download-rgb));
    background: rgba(var(--download-rgb), 0.075);
    transition:
        transform 0.22s ease,
        background-color 0.22s ease;
}

.download-button-arrow svg {
    width: 16px;
    height: 16px;
}

.download-button:hover .download-button-arrow {
    background: rgba(var(--download-rgb), 0.14);
    transform: translateX(2px);
}

.cta-section {
    padding-top: 72px;
}

.cta-panel {
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 34px;
    padding: 48px;
    border: 1px solid rgba(142, 216, 255, 0.2);
    border-radius: var(--radius-xl);
    background:
        radial-gradient(circle at 0 0, rgba(142, 216, 255, 0.18), transparent 26rem),
        radial-gradient(circle at 100% 100%, rgba(123, 141, 255, 0.16), transparent 27rem),
        linear-gradient(135deg, rgba(20, 40, 64, 0.95), rgba(8, 19, 34, 0.94));
    box-shadow: var(--shadow);
}

.cta-panel::before {
    content: "";
    position: absolute;
    width: 380px;
    height: 380px;
    top: -250px;
    right: 12%;
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 50%;
}

.cta-copy {
    position: relative;
    z-index: 1;
    max-width: 820px;
}

.cta-copy h2 {
    margin: 0;
    font-size: clamp(30px, 4vw, 48px);
    line-height: 1.25;
    letter-spacing: -0.04em;
}

.cta-copy p {
    max-width: 660px;
    margin: 13px 0 0;
    color: var(--text-soft);
}

.cta-actions {
    position: relative;
    z-index: 1;
    flex: 0 0 auto;
}

.cta-back-top {
    min-width: 138px;
    white-space: nowrap;
}

.platform-icon img,
.download-button-icon img {
    display: block;
    object-fit: contain;
}

.platform-icon img {
    width: 27px;
    height: 27px;
}

.download-button-icon img {
    width: 31px;
    height: 31px;
}

.platform-icon.platform-icon-android {
    border-color: rgba(61, 220, 132, 0.25);
    background: rgba(61, 220, 132, 0.1);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08);
}

.download-button-android {
    --download-rgb: 61, 220, 132;
}

.download-button-android .download-button-icon {
    border-color: rgba(61, 220, 132, 0.28);
    background:
        radial-gradient(circle at 30% 20%, rgba(255, 255, 255, 0.13), transparent 52%),
        rgba(61, 220, 132, 0.105);
}


.site-footer {
    margin-top: 108px;
    border-top: 1px solid rgba(142, 216, 255, 0.1);
    background: rgba(2, 8, 17, 0.45);
}

.footer-main {
    display: grid;
    grid-template-columns: minmax(280px, 1.1fr) repeat(2, minmax(180px, 0.45fr));
    gap: 48px;
    padding: 54px 0 42px;
}

.footer-brand {
    display: flex;
    align-items: flex-start;
    gap: 15px;
}

.footer-logo {
    width: 58px;
    height: 58px;
    flex: 0 0 auto;
    object-fit: cover;
    border: 1px solid rgba(255, 255, 255, 0.13);
    border-radius: 18px;
}

.footer-brand h2 {
    margin: 1px 0 0;
    font-size: 19px;
    letter-spacing: 0.08em;
}

.footer-brand p {
    max-width: 420px;
    margin: 7px 0 0;
    color: var(--muted);
    font-size: 13px;
}

.footer-column h3 {
    margin: 0;
    color: var(--text-soft);
    font-size: 13px;
    letter-spacing: 0.08em;
}

.footer-links {
    display: grid;
    gap: 10px;
    margin-top: 15px;
}

.footer-links a,
.footer-links button {
    width: fit-content;
    min-height: 30px;
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 0;
    border: 0;
    color: var(--muted);
    font-size: 12px;
    text-align: left;
    background: transparent;
    cursor: pointer;
    transition: color 0.2s ease;
}

.footer-links a:hover,
.footer-links button:hover {
    color: var(--primary);
}

.footer-links svg {
    width: 14px;
    height: 14px;
}

.footer-bottom {
    min-height: 72px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 18px 0;
    border-top: 1px solid rgba(142, 216, 255, 0.08);
    color: #65798c;
    font-size: 12px;
    text-align: center;
}

.footer-compliance {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 10px 18px;
}

.footer-copyright {
    color: #72879a;
}

.filing-link {
    min-height: 32px;
    display: inline-flex;
    align-items: center;
    gap: 7px;
    transition: color 0.2s ease;
}

.filing-link:hover {
    color: var(--primary);
}

.filing-link img {
    width: 20px;
    height: 20px;
    flex: 0 0 auto;
    object-fit: contain;
}

.reveal {
    opacity: 1;
    transform: none;
}

.js .reveal {
    opacity: 0;
    transform: translateY(24px);
    transition:
        opacity 0.72s ease,
        transform 0.72s cubic-bezier(0.22, 1, 0.36, 1);
}

.js .reveal.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.toast {
    position: fixed;
    left: 50%;
    bottom: calc(24px + env(safe-area-inset-bottom));
    z-index: 400;
    max-width: calc(100% - 32px);
    min-height: 46px;
    display: flex;
    align-items: center;
    gap: 9px;
    padding: 0 16px;
    border: 1px solid var(--line-strong);
    border-radius: 15px;
    color: var(--text);
    font-size: 13px;
    background: rgba(8, 20, 35, 0.92);
    box-shadow: 0 18px 48px rgba(0, 0, 0, 0.4);
    opacity: 0;
    visibility: hidden;
    transform: translate(-50%, 16px);
    transition:
        opacity 0.2s ease,
        transform 0.2s ease,
        visibility 0.2s ease;
    backdrop-filter: blur(16px);
}

.toast.is-visible {
    opacity: 1;
    visibility: visible;
    transform: translate(-50%, 0);
}

.toast svg {
    width: 16px;
    height: 16px;
    color: var(--cyan);
}

@keyframes pulse-ring {
    0% {
        opacity: 0.7;
        transform: scale(0.7);
    }

    75%,
    100% {
        opacity: 0;
        transform: scale(1.45);
    }
}

@keyframes gradient-shift {
    from {
        background-position: 0% 50%;
    }

    to {
        background-position: 100% 50%;
    }
}

@keyframes breathe {

    0%,
    100% {
        opacity: 0.72;
        transform: scale(0.95);
    }

    50% {
        opacity: 1;
        transform: scale(1.06);
    }
}

@keyframes float-y {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-11px);
    }
}

@keyframes progress-demo {
    from {
        width: 37%;
    }

    to {
        width: 78%;
    }
}