:root {
    color-scheme: light dark;
    --dg-accent: #5c2657;
    --dg-accent-strong: #471b43;
    --dg-accent-soft: #f1dce9;
    --dg-canvas: #fff2ed;
    --dg-card: #fffdfc;
    --dg-card-solid: #fffdfc;
    --dg-ink: #241421;
    --dg-muted: #665660;
    --dg-border: rgba(92, 38, 87, 0.18);
    --dg-shadow: 0 28px 80px rgba(79, 35, 72, 0.14);
    --dg-page: 76rem;
    --dg-gutter: clamp(1rem, 4vw, 3rem);
}

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

html {
    background: var(--dg-canvas);
    scroll-behavior: smooth;
    scroll-padding-top: 6rem;
}

body.dueglance-page {
    min-width: 0;
    min-height: 100vh;
    margin: 0;
    overflow-x: hidden;
    color: var(--dg-ink);
    background:
        radial-gradient(circle at 92% 4%, rgba(92, 38, 87, 0.13), transparent 26rem),
        linear-gradient(180deg, var(--dg-canvas), #fff9f6 42%, var(--dg-canvas));
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
    font-size: 1rem;
    line-height: 1.65;
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
}

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

.dueglance-page a {
    color: inherit;
}

.dueglance-page h1,
.dueglance-page h2,
.dueglance-page h3,
.dueglance-page p {
    margin-top: 0;
}

.dueglance-page h1,
.dueglance-page h2,
.dueglance-page h3 {
    color: var(--dg-ink);
    letter-spacing: -0.035em;
    line-height: 1.08;
    text-wrap: balance;
}

.dueglance-page :focus-visible {
    outline: 3px solid #b64f9c;
    outline-offset: 4px;
}

.dg-shell {
    width: min(100%, calc(var(--dg-page) + var(--dg-gutter) * 2));
    margin-inline: auto;
    padding-inline: var(--dg-gutter);
}

.dg-skip-link {
    position: fixed;
    z-index: 1000;
    top: 0.75rem;
    left: 0.75rem;
    padding: 0.7rem 1rem;
    border-radius: 999px;
    color: #fff;
    background: var(--dg-accent-strong);
    font-weight: 750;
    text-decoration: none;
    transform: translateY(-180%);
    transition: transform 180ms ease;
}

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

.dg-nav {
    position: sticky;
    z-index: 100;
    top: 0;
    border-bottom: 1px solid var(--dg-border);
    background: rgba(255, 242, 237, 0.9);
    -webkit-backdrop-filter: blur(18px);
    backdrop-filter: blur(18px);
}

.dg-nav__inner {
    display: flex;
    min-height: 4.75rem;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.dg-brand {
    display: inline-flex;
    min-width: 2.75rem;
    min-height: 2.75rem;
    align-items: center;
    justify-content: center;
    gap: 0.72rem;
    color: var(--dg-ink);
    font-size: 1.08rem;
    font-weight: 800;
    text-decoration: none;
}

.dg-brand__mark {
    width: 2.35rem;
    height: 2.35rem;
    border-radius: 0.78rem;
    box-shadow: 0 8px 22px rgba(92, 38, 87, 0.2);
    object-fit: cover;
}

.dg-nav__actions,
.dg-language {
    display: flex;
    align-items: center;
}

.dg-nav__actions {
    gap: clamp(0.3rem, 2vw, 1rem);
}

.dg-language {
    gap: 0.2rem;
    padding: 0.2rem;
    border: 1px solid var(--dg-border);
    border-radius: 999px;
    background: var(--dg-card);
}

.dg-language a {
    display: inline-flex;
    min-width: 2.75rem;
    min-height: 2.75rem;
    padding: 0.35rem 0.65rem;
    align-items: center;
    justify-content: center;
    border-radius: 999px;
    color: var(--dg-muted);
    font-size: 0.82rem;
    font-weight: 750;
    text-decoration: none;
}

.dg-language a[aria-current="page"] {
    color: #fff;
    background: var(--dg-accent);
}

.dg-nav__link {
    display: inline-flex;
    min-height: 2.75rem;
    padding-inline: 0.85rem;
    align-items: center;
    color: var(--dg-accent);
    font-size: 0.9rem;
    font-weight: 750;
    text-decoration: none;
}

.dg-hero {
    position: relative;
    padding-block: clamp(3.5rem, 8vw, 7.5rem);
    overflow: hidden;
}

.dg-hero__layout {
    display: grid;
    align-items: center;
    gap: clamp(2.5rem, 6vw, 6rem);
    grid-template-columns: minmax(0, 1fr) minmax(18rem, 0.88fr);
}

.dg-eyebrow {
    margin-bottom: 1.1rem;
    color: var(--dg-accent);
    font-size: 0.82rem;
    font-weight: 850;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.dg-hero h1 {
    max-width: 13ch;
    margin-bottom: 1.4rem;
    font-size: clamp(2.8rem, 6vw, 5.8rem);
}

.dg-hero h1 .dg-line {
    display: block;
}

.dg-hero__lead {
    max-width: 39rem;
    margin-bottom: 1.8rem;
    color: var(--dg-muted);
    font-size: clamp(1.08rem, 1rem + 0.45vw, 1.38rem);
}

.dg-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    align-items: center;
}

.dg-store-cta,
.dg-secondary-cta {
    display: inline-flex;
    min-height: 3.3rem;
    padding: 0.68rem 1.15rem;
    align-items: center;
    justify-content: center;
    border-radius: 999px;
    font-weight: 800;
    text-align: center;
    text-decoration: none;
    transition: transform 180ms ease, box-shadow 180ms ease, background-color 180ms ease;
}

.dg-store-cta {
    color: #fff;
    background: var(--dg-accent);
    box-shadow: 0 12px 30px rgba(92, 38, 87, 0.23);
}

.dg-store-cta[href]:hover,
.dg-secondary-cta:hover {
    transform: translateY(-2px);
}

.dg-store-cta[aria-disabled="true"] {
    cursor: not-allowed;
    opacity: 0.72;
}

.dg-secondary-cta {
    border: 1px solid var(--dg-border);
    color: var(--dg-accent);
    background: var(--dg-card);
}

.dg-cta-note {
    width: 100%;
    margin: 0.2rem 0 0;
    color: var(--dg-muted);
    font-size: 0.84rem;
}

.dg-hero__visual {
    position: relative;
    min-height: clamp(30rem, 55vw, 39rem);
}

.dg-shot {
    position: absolute;
    overflow: hidden;
    border: 1px solid var(--dg-border);
    background: var(--dg-card-solid);
    box-shadow: var(--dg-shadow);
}

.dg-shot--phone {
    top: 0;
    right: clamp(1rem, 6vw, 4.5rem);
    width: min(72%, 19rem);
    aspect-ratio: 1320 / 2868;
    border-radius: clamp(2rem, 5vw, 3.2rem);
}

.dg-shot--watch {
    right: 0;
    bottom: 1rem;
    width: min(48%, 13rem);
    aspect-ratio: 416 / 496;
    border: 0.55rem solid #111;
    border-radius: 3rem;
    background: #000;
    transform: rotate(3deg);
}

.dg-shot img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.dg-section {
    padding-block: clamp(4rem, 8vw, 7rem);
}

.dg-section--tint {
    border-block: 1px solid var(--dg-border);
    background: rgba(255, 253, 252, 0.55);
}

.dg-section-heading {
    max-width: 46rem;
    margin-bottom: clamp(2rem, 5vw, 3.5rem);
}

.dg-section-heading h2,
.dg-privacy-hero h1 {
    margin-bottom: 1rem;
    font-size: clamp(2.1rem, 4.5vw, 4rem);
}

.dg-section-heading p,
.dg-privacy-hero__lead {
    margin-bottom: 0;
    color: var(--dg-muted);
    font-size: clamp(1.03rem, 1rem + 0.25vw, 1.2rem);
}

.dg-grid {
    display: grid;
    gap: 1rem;
}

.dg-grid--four {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.dg-grid--three {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.dg-grid--two {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.dg-card {
    min-width: 0;
    padding: clamp(1.35rem, 3vw, 2rem);
    border: 1px solid var(--dg-border);
    border-radius: 1.5rem;
    background: var(--dg-card);
    box-shadow: 0 14px 40px rgba(77, 35, 72, 0.07);
}

.dg-card__icon {
    display: grid;
    width: 2.75rem;
    height: 2.75rem;
    margin-bottom: 1.4rem;
    border-radius: 0.9rem;
    color: var(--dg-accent);
    background: var(--dg-accent-soft);
    font-size: 0.98rem;
    font-weight: 900;
    place-items: center;
}

.dg-card h3 {
    margin-bottom: 0.7rem;
    font-size: 1.22rem;
}

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

.dg-surface-grid .dg-card {
    min-height: 13rem;
}

.dg-style-card {
    position: relative;
    overflow: hidden;
    min-height: 16rem;
}

.dg-style-card::after {
    position: absolute;
    right: -2rem;
    bottom: -3rem;
    width: 10rem;
    height: 10rem;
    border-radius: 2.8rem;
    background: linear-gradient(145deg, rgba(92, 38, 87, 0.12), rgba(255, 135, 150, 0.18));
    content: "";
    transform: rotate(18deg);
}

.dg-style-sample {
    position: relative;
    z-index: 1;
    display: inline-flex;
    min-height: 4.7rem;
    margin-top: 1.4rem;
    padding: 0.9rem 1.15rem;
    align-items: center;
    border: 1px solid var(--dg-border);
    border-radius: 1.1rem;
    color: var(--dg-accent);
    background: var(--dg-canvas);
    font-size: 1.7rem;
    font-weight: 850;
    letter-spacing: -0.04em;
}

.dg-check-list {
    display: grid;
    margin: 0;
    padding: 0;
    gap: 0.8rem;
    list-style: none;
}

.dg-check-list li {
    position: relative;
    padding-left: 1.7rem;
    color: var(--dg-muted);
}

.dg-check-list li::before {
    position: absolute;
    left: 0;
    color: var(--dg-accent);
    content: "✓";
    font-weight: 900;
}

.dg-split {
    display: grid;
    align-items: center;
    gap: clamp(2rem, 6vw, 5rem);
    grid-template-columns: 1fr 1fr;
}

.dg-callout {
    padding: clamp(1.75rem, 5vw, 3rem);
    border: 1px solid var(--dg-border);
    border-radius: 2rem;
    color: #fff;
    background: linear-gradient(135deg, var(--dg-accent-strong), var(--dg-accent));
    box-shadow: var(--dg-shadow);
}

.dg-callout h2,
.dg-callout p,
.dg-callout a {
    color: #fff;
}

.dg-callout h2 {
    margin-bottom: 1rem;
    font-size: clamp(2rem, 4vw, 3.5rem);
}

.dg-callout p {
    max-width: 48rem;
    margin-bottom: 1.4rem;
    color: rgba(255, 255, 255, 0.86);
}

.dg-callout a {
    font-weight: 800;
    text-underline-offset: 0.25em;
}

.dg-disclaimer {
    border: 1px solid var(--dg-border);
    background: var(--dg-card);
}

.dg-final {
    padding-block: clamp(4.5rem, 9vw, 8rem);
    text-align: center;
}

.dg-final h2 {
    max-width: 17ch;
    margin: 0 auto 1rem;
    font-size: clamp(2.4rem, 5vw, 4.8rem);
}

.dg-final > .dg-shell > p {
    max-width: 42rem;
    margin-inline: auto;
    color: var(--dg-muted);
}

.dg-final .dg-actions {
    justify-content: center;
}

.dg-footer {
    border-top: 1px solid var(--dg-border);
    background: var(--dg-card);
}

.dg-footer__inner {
    display: flex;
    min-height: 6rem;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.dg-footer p {
    margin-bottom: 0;
    color: var(--dg-muted);
}

.dg-footer__links {
    display: flex;
    flex-wrap: wrap;
    gap: 0.25rem 1.2rem;
}

.dg-footer__links a {
    display: inline-flex;
    min-height: 2.75rem;
    align-items: center;
    color: var(--dg-accent);
    font-weight: 750;
    text-decoration-thickness: 1px;
    text-underline-offset: 0.25em;
}

/* Privacy */
.dg-privacy-hero {
    padding-block: clamp(3.5rem, 7vw, 6.5rem);
}

.dg-privacy-hero__inner {
    max-width: 52rem;
}

.dg-effective {
    display: inline-flex;
    min-height: 2.75rem;
    margin-bottom: 1.3rem;
    padding: 0.55rem 0.9rem;
    align-items: center;
    border: 1px solid var(--dg-border);
    border-radius: 999px;
    color: var(--dg-accent);
    background: var(--dg-card);
    font-size: 0.88rem;
    font-weight: 800;
}

.dg-privacy-layout {
    display: grid;
    padding-bottom: clamp(4rem, 8vw, 7rem);
    align-items: start;
    gap: clamp(2rem, 6vw, 5rem);
    grid-template-columns: minmax(13rem, 0.34fr) minmax(0, 1fr);
}

.dg-toc {
    position: sticky;
    top: 6rem;
    padding: 1.25rem;
    border: 1px solid var(--dg-border);
    border-radius: 1.25rem;
    background: var(--dg-card);
}

.dg-toc strong {
    display: block;
    margin-bottom: 0.65rem;
}

.dg-toc ol {
    display: grid;
    margin: 0;
    padding-left: 1.25rem;
    gap: 0.2rem;
    color: var(--dg-muted);
}

.dg-toc a {
    display: inline-flex;
    min-height: 2.75rem;
    align-items: center;
    text-underline-offset: 0.2em;
}

.dg-policy {
    min-width: 0;
    padding: clamp(1.3rem, 4vw, 3rem);
    border: 1px solid var(--dg-border);
    border-radius: 2rem;
    background: var(--dg-card);
    box-shadow: 0 18px 50px rgba(77, 35, 72, 0.07);
}

.dg-policy section + section {
    margin-top: 3rem;
    padding-top: 3rem;
    border-top: 1px solid var(--dg-border);
}

.dg-policy h2 {
    margin-bottom: 1rem;
    font-size: clamp(1.55rem, 3vw, 2.25rem);
}

.dg-policy h3 {
    margin-top: 1.5rem;
    margin-bottom: 0.65rem;
    font-size: 1.08rem;
}

.dg-policy p,
.dg-policy li {
    color: var(--dg-muted);
}

.dg-policy strong {
    color: var(--dg-ink);
}

.dg-policy ul {
    padding-left: 1.25rem;
}

.dg-policy li + li {
    margin-top: 0.55rem;
}

.dg-policy-note {
    padding: 1.15rem 1.25rem;
    border-left: 4px solid var(--dg-accent);
    border-radius: 0.6rem 1rem 1rem 0.6rem;
    background: var(--dg-accent-soft);
}

.dg-policy-note p:last-child {
    margin-bottom: 0;
}

@media (max-width: 900px) {
    .dg-hero__layout,
    .dg-split,
    .dg-privacy-layout {
        grid-template-columns: 1fr;
    }

    .dg-grid--four,
    .dg-grid--three {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

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

    .dg-hero h1,
    .dg-hero__lead {
        margin-inline: auto;
    }

    .dg-hero .dg-actions {
        justify-content: center;
    }

    .dg-hero__visual {
        width: min(100%, 34rem);
        margin-inline: auto;
    }

    .dg-toc {
        position: static;
    }
}

@media (max-width: 620px) {
    .dg-brand__word {
        display: none;
    }

    .dg-nav__link {
        display: none;
    }

    .dg-language a {
        padding-inline: 0.55rem;
    }

    .dg-grid--four,
    .dg-grid--three,
    .dg-grid--two {
        grid-template-columns: 1fr;
    }

    .dg-hero__visual {
        min-height: 30rem;
    }

    .dg-shot--phone {
        right: auto;
        left: 8%;
        width: 67%;
    }

    .dg-shot--watch {
        right: 2%;
        width: 46%;
    }

    .dg-footer__inner {
        padding-block: 1.25rem;
        align-items: flex-start;
        flex-direction: column;
    }
}

@media (max-width: 350px) {
    .dg-language a {
        min-width: 2.55rem;
        padding-inline: 0.4rem;
        font-size: 0.75rem;
    }

    .dg-brand__mark {
        width: 2.2rem;
        height: 2.2rem;
    }

    .dg-hero h1 {
        font-size: 2.45rem;
    }
}

@media (prefers-color-scheme: dark) {
    :root {
        --dg-accent: #ff8796;
        --dg-accent-strong: #ff8796;
        --dg-accent-soft: #4b293f;
        --dg-canvas: #1f131f;
        --dg-card: rgba(51, 31, 48, 0.92);
        --dg-card-solid: #331f30;
        --dg-ink: #fff7f6;
        --dg-muted: #d8c6cf;
        --dg-border: rgba(255, 135, 150, 0.24);
        --dg-shadow: 0 28px 80px rgba(0, 0, 0, 0.36);
    }

    body.dueglance-page {
        background:
            radial-gradient(circle at 92% 4%, rgba(255, 135, 150, 0.13), transparent 26rem),
            linear-gradient(180deg, var(--dg-canvas), #281726 42%, var(--dg-canvas));
    }

    .dg-nav {
        background: rgba(31, 19, 31, 0.9);
    }

    .dg-language a[aria-current="page"] {
        color: #25121f;
    }

    .dg-store-cta {
        color: #25121f;
    }

    .dg-callout {
        color: #241421;
        background: linear-gradient(135deg, #ff8796, #ffb3ad);
    }

    .dg-callout h2,
    .dg-callout p,
    .dg-callout a {
        color: #241421;
    }
}

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

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

@media (prefers-reduced-transparency: reduce) {
    .dg-nav,
    .dg-section--tint,
    .dg-card,
    .dg-language,
    .dg-policy,
    .dg-toc {
        background: var(--dg-card-solid);
        -webkit-backdrop-filter: none;
        backdrop-filter: none;
    }
}