:root {
    --bg: #f5f5f7;
    --surface: #fff;
    --surface-2: #ececf0;
    --text: #1d1d1f;
    --muted: #6e6e73;
    --line: rgba(0, 0, 0, .09);
    --brand: #ff5a0a;
    --brand-2: #ff8a00;
    --blue: #0071e3;
    --radius: 28px;
    --shadow: 0 20px 60px rgba(0, 0, 0, .09);
    --max: 1180px;
    color-scheme: light dark
}

* {
    box-sizing: border-box
}

html {
    scroll-behavior: smooth
}

body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "PingFang TC", "Noto Sans TC", sans-serif;
    line-height: 1.55;
    -webkit-font-smoothing: antialiased
}

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

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

.container {
    width: min(calc(100% - 40px), var(--max));
    margin: auto
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(245, 245, 247, .82);
    backdrop-filter: saturate(180%) blur(20px);
    border-bottom: 1px solid var(--line)
}

.nav {
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px
}

.brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 750;
    font-size: 19px
}

.brand img {
    width: 34px;
    height: 34px;
    border-radius: 9px
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 24px;
    font-size: 14px
}

.nav-links a:hover {
    color: var(--brand)
}

.nav-toggle {
    display: none;
    border: 0;
    background: transparent;
    font-size: 25px;
    color: inherit
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    border-radius: 999px;
    padding: 12px 21px;
    font-weight: 650;
    border: 1px solid transparent;
    transition: .25s transform, .25s box-shadow, .25s opacity
}

.button:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 26px rgba(0, 0, 0, .12)
}

.button-primary {
    background: linear-gradient(135deg, var(--brand), var(--brand-2));
    color: #fff
}

.button-secondary {
    background: var(--surface);
    border-color: var(--line)
}

.button-dark {
    background: #111;
    color: #fff
}

.hero {
    min-height: 760px;
    display: grid;
    place-items: center;
    overflow: hidden;
    position: relative;
    padding: 110px 0 75px
}

.hero:before {
    content: "";
    position: absolute;
    width: 800px;
    height: 800px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(255, 108, 0, .2), transparent 65%);
    top: -350px;
    right: -260px
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.05fr .95fr;
    align-items: center;
    gap: 55px;
    position: relative
}

.eyebrow {
    font-weight: 760;
    color: var(--brand);
    letter-spacing: .02em;
    margin-bottom: 12px
}

.display {
    font-size: clamp(22px, 7.2vw, 42px);
    line-height: .98;
    letter-spacing: -.055em;
    margin: 0 0 24px
}

.lead {
    font-size: clamp(20px, 2.2vw, 24px);
    color: var(--muted);
    max-width: 690px;
    margin: 0 0 32px
}

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

.phone-stage {
    position: relative;
    min-height: 590px;
    display: grid;
    place-items: center
}

.phone {
    width: min(330px, 80vw);
    border-radius: 48px;
    box-shadow: 0 35px 90px rgba(0, 0, 0, .28);
    border: 8px solid #111;
    overflow: hidden;
    background: #000;
    transform: rotate(0deg)
}

.float-card {
    position: absolute;
    padding: 17px 20px;
    border-radius: 20px;
    background: rgba(255, 255, 255, .84);
    backdrop-filter: blur(18px);
    box-shadow: var(--shadow);
    font-weight: 700
}

.float-card.one {
    left: 0;
    top: 23%
}

.float-card.two {
    right: -10px;
    bottom: 18%
}

.section {
    padding: 105px 0
}

.section-dark {
    background: #000;
    color: #f5f5f7
}

.section-head {
    text-align: center;
    max-width: 790px;
    margin: 0 auto 54px
}

.section h2 {
    font-size: clamp(22px, 5vw, 42px);
    line-height: 1.05;
    letter-spacing: -.04em;
    margin: 0 0 18px
}

.section-head p,
.section-copy {
    font-size: 20px;
    color: var(--muted);
    margin: 0
}

.section-dark .section-head p,
.section-dark .section-copy {
    color: #a1a1a6
}

.cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px
}

.card {
    background: var(--surface);
    border-radius: var(--radius);
    padding: 34px;
    min-height: 260px;
    border: 1px solid var(--line);
    box-shadow: 0 12px 30px rgba(0, 0, 0, .035);
    transition: .3s transform
}

.card:hover {
    transform: translateY(-6px)
}

.card-icon {
    font-size: 34px;
    margin-bottom: 34px
}

.card h3 {
    font-size: 26px;
    letter-spacing: -.02em;
    margin: 0 0 10px
}

.card p {
    color: var(--muted);
    margin: 0
}

.feature-split {
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: 70px
}

.feature-split.reverse .feature-media {
    order: -1
}

.feature-copy h2 {
    font-size: clamp(22px, 5vw, 42px);
    margin: 0 0 20px
}

.feature-copy p {
    font-size: 21px;
    color: var(--muted)
}

.feature-media {
    background: linear-gradient(145deg, #202024, #050505);
    border-radius: 42px;
    padding: 45px;
    min-height: 590px;
    display: grid;
    place-items: center;
    overflow: hidden
}

.feature-media img {
    max-height: 540px;
    width: auto;
    border-radius: 32px;
    box-shadow: 0 30px 70px rgba(0, 0, 0, .42)
}

.metric-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
    margin-top: 30px
}

.metric {
    background: rgba(255, 255, 255, .08);
    border: 1px solid rgba(255, 255, 255, .12);
    border-radius: 22px;
    padding: 22px
}

.metric strong {
    display: block;
    font-size: 30px;
    color: #fff
}

.metric span {
    color: #a1a1a6
}

.notice {
    background: linear-gradient(135deg, #fff4ec, #fff);
    border: 1px solid rgba(255, 90, 10, .16);
    border-radius: 32px;
    padding: 42px
}

.notice h3 {
    font-size: 31px;
    margin: 0 0 14px
}

.notice p {
    color: var(--muted);
    font-size: 18px
}

.cta {
    background: linear-gradient(135deg, #ff5200, #ff9300);
    color: white;
    border-radius: 42px;
    padding: 70px;
    text-align: center
}

.cta h2 {
    margin-bottom: 18px
}

.cta p {
    font-size: 20px;
    opacity: .86
}

.site-footer {
    padding: 55px 0 30px;
    border-top: 1px solid var(--line)
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr repeat(3, 1fr);
    gap: 35px
}

.footer-col h4 {
    margin: 0 0 14px
}

.footer-col a {
    display: block;
    color: var(--muted);
    margin: 8px 0;
    font-size: 14px
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    gap: 20px;
    padding-top: 35px;
    margin-top: 35px;
    border-top: 1px solid var(--line);
    color: var(--muted);
    font-size: 13px
}

.page-hero {
    padding: 115px 0 65px;
    text-align: center
}

.page-hero h1 {
    font-size: clamp(48px, 7vw, 82px);
    letter-spacing: -.055em;
    line-height: 1;
    margin: 0 0 20px
}

.page-hero p {
    max-width: 760px;
    margin: auto;
    font-size: 21px;
    color: var(--muted)
}

.content-panel {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: 30px;
    padding: 42px;
    margin-bottom: 24px
}

.content-panel h2 {
    font-size: 32px;
    margin-top: 0
}

.content-panel h3 {
    margin-top: 30px
}

.content-panel p,
.content-panel li {
    color: var(--muted)
}

.faq-item {
    border-bottom: 1px solid var(--line)
}

.faq-button {
    width: 100%;
    padding: 24px 0;
    background: none;
    border: 0;
    color: inherit;
    text-align: left;
    display: flex;
    justify-content: space-between;
    font-size: 20px;
    font-weight: 650
}

.faq-answer {
    display: none;
    padding: 0 0 24px;
    color: var(--muted)
}

.faq-item.open .faq-answer {
    display: block
}

.support-grid {
    display: grid;
    grid-template-columns: .85fr 1.15fr;
    gap: 24px
}

.support-form label {
    display: block;
    font-size: 14px;
    font-weight: 650;
    margin: 18px 0 7px
}

.support-form input,
.support-form select,
.support-form textarea {
    width: 100%;
    padding: 14px 16px;
    border-radius: 14px;
    border: 1px solid var(--line);
    background: var(--bg);
    color: inherit;
    font: inherit
}

.support-form textarea {
    min-height: 170px;
    resize: vertical
}

.timeline {
    border-left: 2px solid var(--line);
    padding-left: 28px
}

.release {
    position: relative;
    margin-bottom: 38px
}

.release:before {
    content: "";
    position: absolute;
    left: -36px;
    top: 8px;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--brand);
    box-shadow: 0 0 0 7px var(--bg)
}

.release time {
    color: var(--brand);
    font-weight: 700
}

.release h2 {
    font-size: 30px;
    margin: 4px 0
}

.legal {
    max-width: 850px
}

.legal h2 {
    font-size: 30px;
    margin-top: 45px
}

.legal p,
.legal li {
    color: var(--muted)
}

.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity .7s ease, transform .7s ease
}

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

@media(prefers-color-scheme:dark) {
    :root {
        --bg: #08080a;
        --surface: #151517;
        --surface-2: #242428;
        --text: #f5f5f7;
        --muted: #a1a1a6;
        --line: rgba(255, 255, 255, .11);
        --shadow: 0 20px 60px rgba(0, 0, 0, .35)
    }

    .site-header {
        background: rgba(8, 8, 10, .78)
    }

    .float-card {
        background: rgba(30, 30, 32, .83)
    }

    .notice {
        background: linear-gradient(135deg, #2c160b, #151517)
    }
}

@media(max-width:900px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 64px;
        left: 0;
        right: 0;
        flex-direction: column;
        align-items: flex-start;
        padding: 25px;
        background: var(--surface);
        border-bottom: 1px solid var(--line)
    }

    .nav-links.open {
        display: flex
    }

    .nav-toggle {
        display: block
    }

    .hero {
        padding-top: 70px
    }

    .hero-grid,
    .feature-split,
    .support-grid {
        grid-template-columns: 1fr
    }

    .hero-copy {
        text-align: center
    }

    .lead {
        margin-left: auto;
        margin-right: auto
    }

    .hero-actions {
        justify-content: center
    }

    .phone-stage {
        min-height: 520px
    }

    .feature-split.reverse .feature-media {
        order: 0
    }

    .cards {
        grid-template-columns: 1fr 1fr
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr
    }

    .float-card {
        display: none
    }
}

@media(max-width:600px) {
    .container {
        width: min(calc(100% - 28px), var(--max))
    }

    .display {
        font-size: 42px
    }

    .section {
        padding: 75px 0
    }

    .cards,
    .metric-row {
        grid-template-columns: 1fr
    }

    .card {
        min-height: auto
    }

    .feature-media {
        min-height: 420px;
        padding: 24px
    }

    .feature-media img {
        max-height: 440px
    }

    .cta {
        padding: 45px 22px
    }

    .footer-grid {
        grid-template-columns: 1fr
    }

    .footer-bottom {
        flex-direction: column
    }

    .content-panel {
        padding: 26px
    }

    .phone {
        width: 280px
    }
}

/* Safety alerts and full-line record showcases */
.safety-section {
    overflow: hidden;
}

.showcase-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 26px;
}

.showcase-card {
    display: grid;
    grid-template-columns: minmax(210px, .85fr) 1.15fr;
    align-items: center;
    gap: 30px;
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: 34px;
    padding: 30px;
    overflow: hidden;
    box-shadow: 0 18px 46px rgba(0, 0, 0, .055);
}

.device-shot {
    display: grid;
    place-items: center;
    min-height: 420px;
    border-radius: 28px;
    padding: 24px;
    background: linear-gradient(145deg, #242428, #050505);
    overflow: hidden;
}

.device-shot img {
    width: min(235px, 100%);
    max-height: 470px;
    object-fit: contain;
    border: 6px solid #0b0b0d;
    border-radius: 32px;
    box-shadow: 0 28px 65px rgba(0, 0, 0, .42);
}

.showcase-copy h3,
.record-copy h3 {
    font-size: clamp(28px, 3.2vw, 42px);
    line-height: 1.08;
    letter-spacing: -.035em;
    margin: 0 0 14px;
}

.showcase-copy p,
.record-copy p {
    color: var(--muted);
    font-size: 18px;
    margin: 0;
}

.record-section {
    overflow: hidden;
}

.wide-media {
    border-radius: 34px;
    overflow: hidden;
    background: #111;
    border: 1px solid rgba(255, 255, 255, .12);
    box-shadow: 0 35px 90px rgba(0, 0, 0, .38);
}

.wide-media img {
    width: 100%;
    aspect-ratio: 3.15 / 1;
    object-fit: cover;
}

.record-grid {
    display: grid;
    grid-template-columns: .78fr 1.22fr;
    align-items: center;
    gap: 46px;
    margin-top: 46px;
}

.record-copy .eyebrow {
    margin-bottom: 10px;
}

.feature-list {
    padding: 0;
    margin: 26px 0 0;
    list-style: none;
}

.feature-list li {
    position: relative;
    margin: 13px 0;
    padding-left: 28px;
    color: #d2d2d7;
}

.feature-list li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--brand);
    font-weight: 800;
}

.video-frame {
    overflow: hidden;
    border-radius: 30px;
    background: #000;
    border: 1px solid rgba(255, 255, 255, .14);
    box-shadow: 0 28px 75px rgba(0, 0, 0, .45);
}

.video-frame video {
    display: block;
    width: 100%;
    aspect-ratio: 16 / 9;
    object-fit: contain;
    background: #000;
}

.video-frame-wide {
    margin-top: 34px;
}

@media(max-width:1050px) {
    .showcase-grid {
        grid-template-columns: 1fr;
    }
}

@media(max-width:900px) {
    .showcase-card,
    .record-grid {
        grid-template-columns: 1fr;
    }

    .showcase-card {
        text-align: center;
    }

    .device-shot {
        min-height: 470px;
    }
}

@media(max-width:600px) {
    .showcase-card {
        padding: 20px;
        border-radius: 26px;
    }

    .device-shot {
        min-height: 390px;
        padding: 18px;
    }

    .device-shot img {
        width: min(205px, 100%);
        border-radius: 27px;
    }

    .wide-media {
        border-radius: 22px;
    }

    .video-frame {
        border-radius: 22px;
    }
}