:root {
    --bg: #09090b;
    --bg-soft: #111114;
    --panel: rgba(255, 255, 255, 0.05);
    --panel-strong: rgba(255, 255, 255, 0.08);
    --panel-light: #f5f5f2;
    --text: #f7f7f3;
    --text-soft: rgba(247, 247, 243, 0.72);
    --text-dark: #111114;
    --text-dark-soft: rgba(17, 17, 20, 0.68);
    --line: rgba(255, 255, 255, 0.12);
    --line-dark: rgba(17, 17, 20, 0.12);
    --purple: #6d3df5;
    --green: #96ff8d;
    --shadow: 0 32px 80px rgba(0, 0, 0, 0.38);
    --radius-xl: 36px;
    --radius-lg: 28px;
    --radius-md: 22px;
    --radius-sm: 16px;
    --content-width: min(1240px, calc(100vw - 48px));
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    color: var(--text);
    background:
        radial-gradient(circle at 12% 10%, rgba(109, 61, 245, 0.18), transparent 28%),
        radial-gradient(circle at 85% 18%, rgba(150, 255, 141, 0.12), transparent 24%),
        linear-gradient(180deg, #09090b 0%, #0f1014 100%);
    font-family: "Satoshi", "Inter", "PingFang SC", "Microsoft YaHei", sans-serif;
}

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

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

button,
input {
    font: inherit;
}

.page-shell {
    position: relative;
    z-index: 1;
    min-height: 100vh;
}

.page-noise {
    position: fixed;
    inset: 0;
    opacity: 0.18;
    pointer-events: none;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
    background-size: 120px 120px;
    mask-image: radial-gradient(circle at center, black, transparent 82%);
}

.page-orb {
    position: fixed;
    border-radius: 999px;
    filter: blur(90px);
    pointer-events: none;
    z-index: 0;
}

.page-orb-a {
    top: 90px;
    left: -90px;
    width: 320px;
    height: 320px;
    background: rgba(109, 61, 245, 0.2);
}

.page-orb-b {
    right: -80px;
    bottom: 180px;
    width: 280px;
    height: 280px;
    background: rgba(150, 255, 141, 0.12);
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 30;
    width: var(--content-width);
    margin: 0 auto;
    padding-top: 18px;
}

.site-header::before {
    content: "";
    position: absolute;
    inset: 14px 0 auto;
    height: calc(100% - 14px);
    border-radius: 999px;
    background: rgba(14, 14, 18, 0.68);
    border: 1px solid rgba(255, 255, 255, 0.12);
    backdrop-filter: blur(20px);
    box-shadow: 0 18px 48px rgba(0, 0, 0, 0.3);
}

.site-header,
.site-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.brandmark,
.site-nav {
    position: relative;
    z-index: 1;
}

.brandmark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 18px;
}

.brand-dot,
.eyebrow-dot {
    flex: none;
    border-radius: 999px;
    background: linear-gradient(135deg, var(--green), var(--purple));
}

.brand-dot {
    width: 12px;
    height: 12px;
    box-shadow: 0 0 18px rgba(150, 255, 141, 0.52);
}

.eyebrow,
.metric-label,
.contact-label,
.project-type,
.industrial-type,
.product-code,
.section-badge {
    text-transform: uppercase;
    letter-spacing: 0.22em;
    font-size: 11px;
}

.hero-copy h1,
.section-heading h2,
.industrial-lead h3,
.contact-banner h2,
.project-copy h3,
.industrial-copy h3,
.product-copy h3,
.contact-card strong,
.qr-note strong {
    font-family: "Instrument Serif", "Source Han Serif SC", "Songti SC", serif;
}

#logoImage {
    width: 132px;
    height: 40px;
    object-fit: contain;
    object-position: left center;
    filter: drop-shadow(0 0 18px rgba(150, 255, 141, 0.12));
}

.site-nav {
    padding: 12px;
}

.site-nav a {
    padding: 10px 14px;
    border-radius: 999px;
    color: var(--text-soft);
    transition: color 180ms ease, background-color 180ms ease, transform 180ms ease;
}

.site-nav a:hover,
.site-nav a:focus-visible {
    color: var(--text);
    background: rgba(255, 255, 255, 0.08);
    transform: translateY(-1px);
    outline: none;
}

.section {
    width: var(--content-width);
    margin: 0 auto;
    padding: 116px 0;
}

.hero-section {
    min-height: 100vh;
    display: grid;
    grid-template-columns: minmax(0, 1.02fr) minmax(360px, 0.98fr);
    align-items: center;
    gap: 44px;
    padding-top: 110px;
    position: relative;
    overflow: hidden;
    padding-left: 32px;
    padding-right: 32px;
    border-radius: 42px;
    background:
        radial-gradient(circle at 18% 20%, rgba(109, 61, 245, 0.16), transparent 28%),
        linear-gradient(120deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.015)),
        rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: 0 34px 90px rgba(0, 0, 0, 0.34);
}

.eyebrow-pill {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(247, 247, 243, 0.82);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    font-size: 12px;
}

.eyebrow-dot {
    width: 8px;
    height: 8px;
}

.hero-copy h1 {
    margin: 24px 0 22px;
    max-width: 10.5em;
    font-size: clamp(2.3rem, 4.2vw, 4rem);
    font-weight: 400;
    line-height: 1.02;
    letter-spacing: -0.03em;
    text-wrap: pretty;
}

.headline-accent {
    font-style: italic;
    color: var(--green);
}

.hero-summary,
.section-heading p,
.project-copy p,
.industrial-copy p,
.contact-card p,
.qr-note p,
.product-copy p,
.site-footer p,
.metric-card p,
.industrial-lead p,
.contact-banner p {
    margin: 0;
    color: var(--text-soft);
    line-height: 1.8;
    text-wrap: pretty;
}

.hero-summary {
    max-width: 42rem;
    font-size: 1rem;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-top: 30px;
}

.primary-action,
.secondary-action {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 52px;
    padding: 0 20px;
    border-radius: 999px;
    transition: transform 180ms ease, background-color 180ms ease, border-color 180ms ease, color 180ms ease;
}

.primary-action {
    color: #09090b;
    background: linear-gradient(135deg, var(--green), #c7ffc2);
    box-shadow: 0 12px 34px rgba(150, 255, 141, 0.18);
}

.primary-action:hover,
.primary-action:focus-visible {
    transform: translateY(-2px);
    outline: none;
}

.secondary-action {
    color: var(--text);
    border: 1px solid rgba(255, 255, 255, 0.12);
    background: rgba(255, 255, 255, 0.04);
}

.secondary-action:hover,
.secondary-action:focus-visible {
    transform: translateY(-2px);
    background: rgba(255, 255, 255, 0.08);
    outline: none;
}

.hero-metrics {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
    margin-top: 34px;
}

.metric-card,
.project-card,
.industrial-item,
.contact-card,
.qr-panel {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: var(--shadow);
    backdrop-filter: blur(22px);
}

.metric-card {
    padding: 18px;
    border-radius: var(--radius-md);
}

.metric-label,
.eyebrow,
.project-type,
.industrial-type,
.product-code,
.contact-label,
.section-badge {
    color: rgba(150, 255, 141, 0.88);
}

.metric-card strong {
    display: block;
    margin: 12px 0 10px;
    font-size: 1.15rem;
}

.hero-media {
    display: grid;
    gap: 18px;
}

.portrait-stage {
    position: relative;
    min-height: 680px;
    padding: 0;
    border-radius: 34px;
    background: transparent;
    border: none;
    box-shadow: none;
    overflow: hidden;
}

.portrait-stage::before {
    content: "";
    position: absolute;
    inset: 0;
    z-index: 2;
    background:
        linear-gradient(90deg, rgba(9, 9, 11, 0.98) 0%, rgba(9, 9, 11, 0.8) 18%, rgba(9, 9, 11, 0.38) 42%, rgba(9, 9, 11, 0) 68%),
        linear-gradient(180deg, rgba(109, 61, 245, 0.14), rgba(109, 61, 245, 0));
    pointer-events: none;
}

.portrait-chip,
.floating-note {
    position: absolute;
    z-index: 2;
    border-radius: 999px;
    background: rgba(13, 13, 16, 0.72);
    border: 1px solid rgba(255, 255, 255, 0.12);
    backdrop-filter: blur(16px);
}

.portrait-chip {
    top: 28px;
    left: 28px;
    padding: 10px 14px;
    color: rgba(247, 247, 243, 0.86);
    font-size: 0.88rem;
}

.floating-note {
    display: grid;
    gap: 4px;
    padding: 14px 16px;
    max-width: 230px;
}

.floating-note span {
    color: rgba(247, 247, 243, 0.56);
    font-size: 0.76rem;
    text-transform: uppercase;
    letter-spacing: 0.14em;
}

.floating-note strong {
    font-size: 0.98rem;
    font-weight: 500;
    line-height: 1.5;
}

.floating-note-top {
    top: 84px;
    right: 24px;
}

.floating-note-bottom {
    right: 24px;
    bottom: 24px;
}

#portraitImage {
    width: 100%;
    height: 100%;
    min-height: 680px;
    border-radius: 34px;
    object-fit: cover;
}

.hero-caption,
.product-meta,
.qr-note {
    display: flex;
    flex-wrap: wrap;
    gap: 10px 18px;
    justify-content: space-between;
    color: rgba(247, 247, 243, 0.56);
    font-size: 0.94rem;
}

.section-panel {
    position: relative;
}

.section-panel::before {
    content: "";
    position: absolute;
    inset: 52px -26px;
    border-radius: 42px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    z-index: -1;
}

.section-heading {
    display: grid;
    grid-template-columns: minmax(0, 0.82fr) minmax(320px, 0.7fr);
    gap: 28px;
    margin-bottom: 36px;
    align-items: end;
}

.section-heading h2,
.contact-banner h2 {
    margin: 10px 0 0;
    font-size: clamp(2.8rem, 5vw, 4.8rem);
    font-weight: 400;
    line-height: 0.95;
    letter-spacing: -0.04em;
}

.project-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 30px 22px;
}

.project-card {
    display: grid;
    gap: 14px;
    padding: 0;
    background: transparent;
    border: none;
    box-shadow: none;
    backdrop-filter: none;
    transition: transform 220ms ease;
}

.project-card:hover,
.industrial-item:hover,
.contact-card:hover,
.qr-panel:hover,
.product-card:hover {
    transform: translateY(-8px);
    border-color: rgba(150, 255, 141, 0.26);
    box-shadow: 0 40px 100px rgba(0, 0, 0, 0.48);
}

.project-visual,
.industrial-visual,
.product-visual {
    position: relative;
    overflow: hidden;
    border-radius: 24px;
    background: rgba(255, 255, 255, 0.04);
}

.project-visual {
    aspect-ratio: 16 / 9.7;
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 28px 70px rgba(0, 0, 0, 0.32);
}

.project-visual img,
.industrial-visual img,
.product-visual img,
#qrImage {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.project-copy,
.industrial-copy,
.product-copy {
    display: grid;
    gap: 12px;
}

.project-copy,
.industrial-copy {
    padding: 0 2px;
}

.project-copy h3,
.industrial-copy h3,
.product-copy h3 {
    margin: 0;
    font-size: 1.7rem;
    font-weight: 400;
    letter-spacing: -0.03em;
}

.project-copy p,
.industrial-copy p {
    max-width: 52ch;
    font-size: 0.98rem;
}

.card-meta-row,
.card-link-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    flex-wrap: wrap;
}

.card-order {
    color: rgba(247, 247, 243, 0.34);
    font-size: 0.9rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
}

.media-overlay {
    position: absolute;
    inset: auto 18px 18px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 12px 14px;
    border-radius: 18px;
    background: linear-gradient(180deg, rgba(10, 10, 13, 0.24), rgba(10, 10, 13, 0.72));
    border: 1px solid rgba(255, 255, 255, 0.12);
    backdrop-filter: blur(14px);
}

.media-overlay span {
    color: rgba(247, 247, 243, 0.72);
    font-size: 0.84rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.media-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.media-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 34px;
    padding: 0 12px;
    border-radius: 999px;
    color: #fff;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.12);
    font-size: 0.85rem;
    transition: transform 180ms ease, background-color 180ms ease, border-color 180ms ease;
}

.media-link:hover,
.media-link:focus-visible {
    transform: translateY(-1px);
    background: rgba(150, 255, 141, 0.14);
    border-color: rgba(150, 255, 141, 0.24);
    outline: none;
}

.project-tags,
.industrial-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.project-tags span,
.industrial-tags span,
.filter-chip {
    padding: 8px 12px;
    border-radius: 999px;
    font-size: 0.9rem;
}

.project-tags span,
.industrial-tags span {
    color: rgba(247, 247, 243, 0.76);
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.industrial-frame {
    display: grid;
    grid-template-columns: 1fr;
    gap: 28px;
    align-items: start;
}

.industrial-lead {
    position: static;
    max-width: 760px;
    padding: 0;
    border-radius: 0;
    background: transparent;
    border: none;
    box-shadow: none;
}

.industrial-lead h3 {
    margin: 16px 0 14px;
    font-size: clamp(2rem, 3.5vw, 3.2rem);
    line-height: 0.98;
}

.industrial-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 30px 22px;
}

.industrial-item {
    padding: 0;
    border-radius: 0;
    background: transparent;
    border: none;
    box-shadow: none;
    backdrop-filter: none;
    transition: transform 220ms ease;
}

.industrial-visual {
    aspect-ratio: 16 / 10.2;
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 28px 70px rgba(0, 0, 0, 0.32);
}

.section-light {
    width: min(1280px, calc(100vw - 28px));
    padding: 92px clamp(18px, 3vw, 30px);
    border-radius: 42px;
    color: var(--text-dark);
    background:
        radial-gradient(circle at 10% 12%, rgba(109, 61, 245, 0.12), transparent 24%),
        radial-gradient(circle at 84% 20%, rgba(150, 255, 141, 0.18), transparent 26%),
        linear-gradient(180deg, #f8f8f5 0%, #efefea 100%);
    box-shadow: 0 42px 100px rgba(0, 0, 0, 0.26);
}

.section-light .section-heading p,
.section-light .product-meta,
.section-light .product-copy p,
.section-light .search-field span,
.section-light .hero-caption {
    color: var(--text-dark-soft);
}

.section-light .eyebrow,
.section-light .product-code {
    color: var(--purple);
}

.product-toolbar {
    display: grid;
    grid-template-columns: minmax(280px, 0.44fr) 1fr;
    gap: 18px;
    align-items: start;
    margin-bottom: 20px;
}

.search-field {
    display: grid;
    gap: 10px;
}

.search-field input {
    width: 100%;
    padding: 16px 18px;
    color: var(--text-dark);
    background: rgba(17, 17, 20, 0.04);
    border: 1px solid rgba(17, 17, 20, 0.12);
    border-radius: 16px;
    outline: none;
    transition: background-color 180ms ease, border-color 180ms ease;
}

.search-field input::placeholder {
    color: rgba(17, 17, 20, 0.42);
}

.search-field input:focus {
    border-color: rgba(109, 61, 245, 0.42);
    background: rgba(109, 61, 245, 0.05);
}

.filter-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.filter-chip {
    color: rgba(17, 17, 20, 0.72);
    background: rgba(17, 17, 20, 0.04);
    border: 1px solid rgba(17, 17, 20, 0.08);
    cursor: pointer;
    transition: transform 180ms ease, background-color 180ms ease, border-color 180ms ease, color 180ms ease;
}

.filter-chip:hover,
.filter-chip:focus-visible,
.filter-chip.active {
    color: var(--text-dark);
    background: rgba(109, 61, 245, 0.08);
    border-color: rgba(109, 61, 245, 0.24);
    transform: translateY(-1px);
    outline: none;
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(270px, 1fr));
    gap: 18px;
    margin-top: 24px;
}

.product-card {
    display: grid;
    gap: 14px;
    padding: 14px;
    border-radius: 26px;
    background: rgba(255, 255, 255, 0.78);
    border: 1px solid rgba(17, 17, 20, 0.08);
    box-shadow: 0 24px 54px rgba(20, 20, 28, 0.1);
    transition: transform 220ms ease, box-shadow 220ms ease, border-color 220ms ease;
}

.product-visual {
    aspect-ratio: 4 / 3;
}

.download-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: fit-content;
    padding: 10px 16px;
    border-radius: 999px;
    color: #fff;
    background: linear-gradient(135deg, var(--purple), #8c62ff);
    border: 1px solid rgba(109, 61, 245, 0.18);
    transition: transform 180ms ease, box-shadow 180ms ease;
}

.download-link:hover,
.download-link:focus-visible {
    transform: translateY(-1px);
    box-shadow: 0 16px 34px rgba(109, 61, 245, 0.2);
    outline: none;
}

.contact-banner {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 24px;
    margin-bottom: 26px;
    padding: 30px;
    border-radius: 34px;
    background:
        linear-gradient(135deg, rgba(109, 61, 245, 0.16), rgba(150, 255, 141, 0.08)),
        rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: var(--shadow);
}

.contact-intro {
    max-width: 48rem;
}

.contact-layout {
    display: grid;
    grid-template-columns: minmax(0, 0.85fr) minmax(320px, 0.5fr);
    gap: 24px;
}

.contact-copy {
    display: grid;
    gap: 18px;
}

.contact-card {
    padding: 24px;
    border-radius: 28px;
    transition: transform 220ms ease, border-color 220ms ease, box-shadow 220ms ease;
}

.contact-card strong {
    display: block;
    margin: 12px 0 10px;
    font-size: 1.42rem;
    font-weight: 400;
}

.qr-panel {
    padding: 20px;
    border-radius: 30px;
    transition: transform 220ms ease, border-color 220ms ease, box-shadow 220ms ease;
    display: grid;
    gap: 18px;
}

.qr-shell {
    aspect-ratio: 1;
    padding: 18px;
    border-radius: 26px;
    background: linear-gradient(180deg, rgba(109, 61, 245, 0.12), rgba(150, 255, 141, 0.08));
}

#qrImage {
    border-radius: 18px;
}

.site-footer {
    width: var(--content-width);
    margin: 0 auto;
    padding: 0 0 48px;
}

.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 700ms ease, transform 700ms ease;
}

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

@media (max-width: 1100px) {
    .hero-section,
    .section-heading,
    .product-toolbar,
    .contact-layout,
    .industrial-frame,
    .contact-banner {
        grid-template-columns: 1fr;
        flex-direction: column;
        align-items: flex-start;
    }

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

    .project-grid,
    .industrial-grid {
        grid-template-columns: 1fr;
    }

    .site-header,
    .site-nav {
        flex-direction: column;
        align-items: stretch;
    }

    .site-header::before {
        border-radius: 34px;
    }

    .site-nav {
        justify-content: flex-start;
        flex-wrap: wrap;
    }

    .industrial-lead {
        position: static;
    }
}

@media (max-width: 760px) {
    :root {
        --content-width: min(100vw - 24px, 100vw - 24px);
    }

    .section {
        padding: 84px 0;
    }

    .site-header {
        padding-top: 12px;
    }

    .brandmark,
    .site-nav a {
        padding-left: 16px;
        padding-right: 16px;
    }

    .hero-section {
        padding-top: 82px;
        min-height: auto;
        padding-left: 18px;
        padding-right: 18px;
    }

    .hero-copy h1 {
        font-size: clamp(2rem, 9vw, 3rem);
    }

    .media-overlay {
        inset: auto 12px 12px;
        align-items: flex-start;
        flex-direction: column;
    }

    .portrait-stage {
        min-height: 500px;
    }

    #portraitImage {
        min-height: 460px;
    }

    .floating-note {
        position: static;
        max-width: none;
        margin-top: 14px;
    }

    .section-panel::before {
        inset: 44px -6px;
    }

    .section-light {
        width: min(100vw - 16px, 100vw - 16px);
        border-radius: 28px;
    }

    .product-grid {
        grid-template-columns: 1fr;
    }
}

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

    *,
    *::before,
    *::after {
        animation: none !important;
        transition: none !important;
    }

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