:root {
    --bg-1: #fff8f8;
    --bg-2: #fff1f3;
    --bg-3: #ffffff;
    --text: #16181f;
    --muted: #5e6572;
    --primary: #d9152d;
    --primary-dark: #8f1020;
    --primary-soft: #ffe8ec;
    --line: rgba(217, 21, 45, 0.14);
    --line-strong: rgba(217, 21, 45, 0.24);
    --surface: rgba(255, 255, 255, 0.82);
    --surface-strong: rgba(255, 255, 255, 0.94);
    --dark-surface: rgba(255, 255, 255, 0.12);
    --shadow-xl: 0 32px 80px rgba(121, 14, 29, 0.18);
    --shadow-lg: 0 24px 56px rgba(121, 14, 29, 0.12);
    --shadow-md: 0 18px 38px rgba(121, 14, 29, 0.1);
    --radius-xl: 34px;
    --radius-lg: 26px;
    --radius-md: 20px;
    --shell: min(1120px, calc(100% - 28px));
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body.mobile-vi-page {
    margin: 0;
    color: var(--text);
    background:
        radial-gradient(circle at top left, rgba(217, 21, 45, 0.14), transparent 26%),
        radial-gradient(circle at top right, rgba(255, 100, 116, 0.16), transparent 22%),
        linear-gradient(180deg, var(--bg-1) 0%, var(--bg-2) 22%, var(--bg-3) 58%, #fff6f7 100%);
    font-family: "HarmonyOS Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
    line-height: 1.7;
    overflow-x: hidden;
}

body.mobile-vi-page::before,
body.mobile-vi-page::after {
    position: fixed;
    z-index: -1;
    content: "";
    width: 320px;
    height: 320px;
    border-radius: 50%;
    filter: blur(80px);
    pointer-events: none;
}

body.mobile-vi-page::before {
    top: -120px;
    right: -100px;
    background: rgba(217, 21, 45, 0.14);
}

body.mobile-vi-page::after {
    bottom: -140px;
    left: -120px;
    background: rgba(255, 100, 116, 0.12);
}

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

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

button {
    font: inherit;
    border: 0;
    cursor: pointer;
}

#brand-introduce,
#join-introduce,
#warehouse,
#store,
#show,
#open,
#join-area {
    scroll-margin-top: 92px;
}

.mobile-page-shell {
    width: 100%;
}

.hero-header {
    position: relative;
    padding: 18px 0 48px;
}

.hero-backdrop {
    position: absolute;
    inset: 0 0 auto;
    height: 620px;
    background:
        radial-gradient(circle at top right, rgba(255, 255, 255, 0.2), transparent 24%),
        linear-gradient(145deg, #7d0f1d 0%, #d9152d 52%, #f24e62 100%);
    border-radius: 0 0 42px 42px;
    box-shadow: var(--shadow-xl);
}

.hero-backdrop::before,
.hero-backdrop::after {
    position: absolute;
    content: "";
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.09);
}

.hero-backdrop::before {
    top: 56px;
    right: 22px;
    width: 180px;
    height: 180px;
}

.hero-backdrop::after {
    left: -42px;
    bottom: 92px;
    width: 140px;
    height: 140px;
}

.hero-topbar,
.mobile-nav,
.hero-panel,
.section-block,
.main-footer {
    position: relative;
    width: var(--shell);
    margin: 0 auto;
}

.hero-topbar {
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 16px;
}

.brand-lockup {
    display: grid;
    gap: 4px;
    color: #ffffff;
}

.brand-kicker,
.section-kicker,
.hero-eyebrow,
.card-label {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    width: fit-content;
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 0.16em;
    text-transform: uppercase;
}

.brand-kicker::before,
.section-kicker::before,
.hero-eyebrow::before,
.card-label::before {
    content: "";
    width: 24px;
    height: 1px;
    background: currentColor;
}

.brand-lockup strong {
    font-size: 24px;
    font-weight: 800;
    letter-spacing: -0.04em;
}

.hero-contact {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 42px;
    padding: 0 16px;
    color: #ffffff;
    font-weight: 700;
    background: rgba(255, 255, 255, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: 999px;
    backdrop-filter: blur(16px);
}

.mobile-nav {
    position: sticky;
    top: 14px;
    z-index: 20;
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 10px;
    padding: 12px;
    margin-bottom: 18px;
    background: rgba(255, 255, 255, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.16);
    border-radius: 24px;
    backdrop-filter: blur(18px);
    box-shadow: 0 16px 34px rgba(71, 7, 19, 0.15);
}

.mobile-nav-btn {
    min-height: 48px;
    padding: 10px 8px;
    color: #ffffff;
    font-size: 13px;
    font-weight: 700;
    line-height: 1.35;
    text-align: center;
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.08);
    transition: transform 0.2s ease, background-color 0.2s ease;
}

.mobile-nav-btn:active {
    transform: translateY(1px) scale(0.985);
    background: rgba(255, 255, 255, 0.18);
}

.hero-panel {
    z-index: 2;
    display: grid;
    gap: 22px;
    padding: 22px;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.14), rgba(125, 15, 29, 0.2));
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: var(--radius-xl);
    backdrop-filter: blur(20px);
    box-shadow: 0 24px 54px rgba(77, 8, 19, 0.2);
}

.hero-copy {
    display: grid;
    gap: 16px;
    color: #ffffff;
}

.hero-eyebrow {
    color: rgba(255, 255, 255, 0.88);
}

.hero-copy h1,
.section-heading h2,
.info-card h3,
.panel-copy h3,
.glass-card h3,
.gallery-head h3,
.invite-copy h2 {
    margin: 0;
    line-height: 1.12;
    letter-spacing: -0.04em;
    text-wrap: balance;
}

.hero-copy h1 {
    max-width: none;
    font-size: clamp(1.72rem, 6.1vw, 3.6rem);
}

.hero-title-line {
    display: block;
    white-space: nowrap;
}

.hero-copy p,
.section-heading p,
.info-card p,
.panel-copy p,
.glass-card p,
.main-footer,
.gallery-panel > div:last-child,
.invite-copy p {
    margin: 0;
    color: var(--muted);
}

.hero-copy p,
.invite-copy p {
    color: rgba(255, 255, 255, 0.86);
}

.hero-chip-row,
.hero-action-row {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.hero-chip {
    display: inline-flex;
    align-items: center;
    min-height: 36px;
    padding: 0 14px;
    color: #ffffff;
    font-size: 12px;
    font-weight: 700;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.14);
    border-radius: 999px;
}

.primary-action,
.ghost-action {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 52px;
    padding: 0 18px;
    border-radius: 999px;
    font-weight: 800;
}

.primary-action {
    color: #ffffff;
    background: linear-gradient(135deg, #7d0f1d 0%, #d9152d 55%, #f24e62 100%);
    box-shadow: 0 18px 38px rgba(121, 14, 29, 0.28);
}

.hero-panel .primary-action {
    background: #ffffff;
    color: var(--primary-dark);
    box-shadow: 0 18px 38px rgba(71, 7, 19, 0.18);
}

.ghost-action {
    color: #ffffff;
    border: 1px solid rgba(255, 255, 255, 0.2);
    background: rgba(255, 255, 255, 0.08);
}

.hero-visual {
    display: grid;
    gap: 16px;
}

.hero-banner-frame,
.media-frame,
.flow-card,
.main-warehouse-image-show,
.main-store-image-show,
.main-store-image-show-1,
.main-store-image-show-2,
.main-pc-image-show {
    overflow: hidden;
    border-radius: 24px;
    background: #ffffff;
    border: 1px solid rgba(255, 255, 255, 0.26);
    box-shadow: var(--shadow-lg);
}

.hero-banner-frame {
    padding: 14px;
    background: linear-gradient(180deg, rgba(255, 247, 248, 0.98), rgba(255, 240, 243, 0.94));
}

.hero-banner-frame img,
.media-frame img,
.flow-card img,
.main-warehouse-image-show img,
.main-store-image-show-img,
.main-pc-image-show img {
    width: 100%;
}

.hero-summary-card {
    display: grid;
    gap: 12px;
    padding: 20px;
    color: #ffffff;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.14), rgba(120, 14, 29, 0.24));
    border: 1px solid rgba(255, 255, 255, 0.16);
    border-radius: 24px;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.06);
}

.hero-summary-card .card-label {
    color: #ffffff;
}

.hero-summary-card h3 {
    margin: 0;
    font-size: clamp(1.5rem, 5vw, 2.1rem);
    line-height: 1.12;
    letter-spacing: -0.04em;
}

.hero-summary-card p {
    margin: 0;
    color: rgba(255, 255, 255, 0.84);
    font-size: 14px;
    line-height: 1.8;
}

.hero-point-list {
    display: grid;
    gap: 10px;
    margin: 0;
    padding-left: 18px;
    color: rgba(255, 255, 255, 0.88);
}

.hero-point-list li {
    line-height: 1.6;
}

.hero-stat-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
}

.stat-card {
    display: grid;
    gap: 6px;
    min-height: 92px;
    padding: 16px 16px 14px;
    color: #ffffff;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.14), rgba(120, 14, 29, 0.3));
    border: 1px solid rgba(255, 255, 255, 0.14);
    border-radius: 20px;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

.stat-card strong {
    font-size: 1.55rem;
    letter-spacing: -0.03em;
}

.stat-card span {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.82);
    line-height: 1.45;
}

.mobile-main {
    padding: 18px 0 120px;
}

.section-block {
    display: grid;
    gap: 22px;
    margin-top: 24px;
    padding: 24px;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
}

.section-light {
    background: var(--surface-strong);
    border: 1px solid var(--line);
    backdrop-filter: blur(18px);
}

.section-dark,
.section-accent {
    color: #ffffff;
    background: linear-gradient(145deg, #7d0f1d 0%, #d9152d 54%, #f24e62 100%);
    border: 1px solid rgba(255, 255, 255, 0.14);
}

.section-heading {
    display: grid;
    gap: 14px;
}

.section-heading h2 {
    font-size: clamp(2rem, 6.8vw, 3.2rem);
}

.section-kicker,
.card-label {
    color: var(--primary-dark);
}

.section-dark .section-kicker,
.section-dark .card-label,
.section-accent .section-kicker,
.section-accent .card-label,
.light-heading .section-kicker {
    color: #ffffff;
}

.section-heading p,
.info-card p,
.panel-copy p,
.glass-card p,
.gallery-panel > div:last-child,
.feature-list li {
    font-size: 15px;
    line-height: 1.85;
}

.section-dark .section-heading p,
.section-accent .section-heading p,
.section-dark .glass-card p,
.section-accent .glass-card p,
.light-heading p {
    color: rgba(255, 255, 255, 0.84);
}

.compact-heading {
    margin-top: 8px;
}

.info-grid,
.join-grid,
.region-grid,
.gallery-stack,
.platform-layout {
    display: grid;
    gap: 16px;
}

.info-card,
.gallery-panel {
    padding: 20px;
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    backdrop-filter: blur(16px);
}

.info-card {
    display: grid;
    gap: 12px;
}

.showcase-panel,
.split-panel,
.invite-layout {
    display: grid;
    gap: 16px;
}

.showcase-panel,
.split-panel {
    padding: 20px;
    background: linear-gradient(180deg, #fff7f8 0%, #fff2f4 100%);
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
}

.panel-copy {
    display: grid;
    gap: 12px;
}

.warehouse-grid {
    display: grid;
    gap: 16px;
}

.preview-panel {
    background: linear-gradient(180deg, #ffffff 0%, #fff5f6 100%);
}

.glass-card {
    display: grid;
    gap: 12px;
    padding: 20px;
    background: var(--dark-surface);
    border: 1px solid rgba(255, 255, 255, 0.16);
    border-radius: var(--radius-lg);
    backdrop-filter: blur(18px);
    box-shadow: 0 18px 40px rgba(66, 8, 18, 0.16);
}

.wide-card {
    gap: 14px;
}

.flow-card,
.media-frame {
    margin-top: 4px;
    padding: 10px;
}

.feature-list {
    display: grid;
    gap: 10px;
    margin: 0;
    padding-left: 18px;
}

.stacked-phones {
    display: grid;
    gap: 14px;
}

.fold-gallery {
    overflow: hidden;
    background: linear-gradient(180deg, #fff8f8 0%, #fff1f3 100%);
    border: 1px solid var(--line);
    border-radius: 24px;
}

.fold-summary {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 18px 18px 16px;
    list-style: none;
    cursor: pointer;
}

.fold-summary::-webkit-details-marker {
    display: none;
}

.fold-copy {
    display: grid;
    gap: 8px;
}

.fold-copy strong {
    font-size: 1rem;
    line-height: 1.35;
    letter-spacing: -0.02em;
    color: var(--text);
}

.fold-meta {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 34px;
    padding: 0 12px;
    color: var(--primary-dark);
    font-size: 12px;
    font-weight: 800;
    white-space: nowrap;
    background: rgba(217, 21, 45, 0.08);
    border: 1px solid var(--line);
    border-radius: 999px;
}

.fold-body {
    padding: 0 18px 18px;
}

.fold-gallery .stacked-phones {
    padding-top: 4px;
}

.fold-gallery:not([open]) .fold-summary {
    padding-bottom: 18px;
}

.main-store-image-show,
.main-store-image-show-1,
.main-store-image-show-2 {
    padding: 10px;
    background: #fff6f7;
    border-color: var(--line);
}

.main-store-image-show-1 {
    transform: translateX(10px);
}

.main-store-image-show-2 {
    transform: translateX(20px);
}

.gallery-head {
    display: grid;
    gap: 10px;
    margin-bottom: 14px;
}

.gallery-panel > div:last-child {
    display: grid;
    gap: 14px;
}

.main-image-show-box {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 10px;
}

.main-image-show {
    overflow: hidden;
    padding: 8px;
    background: #fff5f6;
    border: 1px solid var(--line);
    border-radius: 18px;
}

.platform-section {
    display: grid;
    gap: 14px;
    padding: 20px;
    background: linear-gradient(180deg, #fff8f8 0%, #fff3f4 100%);
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
}

.desktop-shot-grid {
    display: grid;
    gap: 14px;
}

.main-pc-image-show {
    padding: 10px;
    border-color: var(--line);
    background: #fff6f7;
}

.full-width-card {
    background: linear-gradient(180deg, #fff8f8 0%, #fff2f4 100%);
}

.invite-layout {
    align-items: start;
}

.invite-copy {
    display: grid;
    gap: 16px;
}

.invite-copy p {
    margin: 0;
}

.light-ghost {
    color: #ffffff;
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.18);
}

.invite-visual {
    display: grid;
    gap: 16px;
}

.invite-highlight-panel {
    display: grid;
    gap: 14px;
    padding: 20px;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.14), rgba(118, 14, 28, 0.24));
    border: 1px solid rgba(255, 255, 255, 0.16);
    border-radius: 26px;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

.invite-highlight-panel .card-label {
    color: #ffffff;
}

.invite-highlight-panel h3 {
    margin: 0;
    font-size: clamp(1.5rem, 5vw, 2.1rem);
    line-height: 1.18;
    letter-spacing: -0.04em;
}

.invite-highlight-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
}

.invite-highlight-grid article {
    display: grid;
    gap: 4px;
    min-height: 88px;
    padding: 14px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.14);
    border-radius: 18px;
}

.invite-highlight-grid strong {
    font-size: 1.4rem;
    letter-spacing: -0.03em;
}

.invite-highlight-grid span {
    color: rgba(255, 255, 255, 0.82);
    font-size: 13px;
    line-height: 1.45;
}

.company-card p {
    color: rgba(255, 255, 255, 0.88);
}

.main-footer {
    margin-top: 24px;
    padding: 26px 18px 120px;
    text-align: center;
    color: rgba(22, 24, 31, 0.56);
    background: transparent;
    border-top: 1px solid rgba(22, 24, 31, 0.08);
}

.floating-mini-actions {
    position: fixed;
    right: 14px;
    bottom: 96px;
    z-index: 39;
    display: grid;
    gap: 10px;
}

.mini-fab {
    display: grid;
    place-items: center;
    gap: 4px;
    width: 58px;
    min-height: 58px;
    padding: 8px 6px;
    color: #ffffff;
    font-size: 11px;
    font-weight: 700;
    text-align: center;
    background: linear-gradient(135deg, rgba(125, 15, 29, 0.94), rgba(217, 21, 45, 0.94), rgba(240, 76, 97, 0.92));
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: 18px;
    box-shadow: 0 18px 36px rgba(121, 14, 29, 0.24);
    backdrop-filter: blur(18px);
}

.mini-fab i {
    font-size: 16px;
}

.join-btn {
    position: fixed;
    left: 50%;
    bottom: 20px;
    z-index: 40;
    transform: translateX(-50%);
    width: min(92%, 420px);
    min-height: 60px;
    padding: 16px 58px;
    color: #ffffff;
    font-size: 18px;
    font-weight: 800;
    line-height: 1.3;
    text-align: center;
    background: linear-gradient(135deg, #7d0f1d 0%, #d9152d 58%, #f24e62 100%);
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: 999px;
    box-shadow: 0 24px 56px rgba(121, 14, 29, 0.28);
}

.move-text,
.move-text2 {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    font-weight: 700;
}

.move-text {
    left: 22px;
    animation: moveText 0.6s infinite alternate;
}

.move-text2 {
    right: 22px;
    animation: moveText2 0.6s infinite alternate;
}

@keyframes moveText {
    0% {
        transform: translateY(-50%) translateX(0);
    }
    100% {
        transform: translateY(-50%) translateX(6px);
    }
}

@keyframes moveText2 {
    0% {
        transform: translateY(-50%) translateX(0);
    }
    100% {
        transform: translateY(-50%) translateX(-6px);
    }
}

@media (min-width: 768px) {
    .hero-backdrop {
        height: 720px;
    }

    .hero-panel {
        grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.95fr);
        align-items: center;
        padding: 28px;
    }

    .hero-copy h1 {
        max-width: 10ch;
    }

    .section-block {
        padding: 30px;
    }

    .floating-mini-actions {
        right: max(14px, calc((100vw - var(--shell)) / 2 - 72px));
    }

    .info-grid,
    .join-grid,
    .region-grid,
    .platform-layout {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .wide-card,
    .full-width-card {
        grid-column: 1 / -1;
    }

    .showcase-panel,
    .split-panel,
    .invite-layout {
        grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
        align-items: center;
    }

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

    .preview-panel {
        padding: 24px;
    }

    .main-image-show-box {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .stacked-phones {
        grid-template-columns: repeat(3, minmax(0, 1fr));
        align-items: start;
    }

    .fold-summary {
        padding: 18px 20px 16px;
    }

    .fold-body {
        padding: 0 20px 20px;
    }

    .main-store-image-show-1 {
        transform: translateY(26px);
    }

    .main-store-image-show-2 {
        transform: translateY(52px);
    }

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

@media (max-width: 420px) {
    .hero-copy h1 {
        max-width: none;
        font-size: clamp(1.62rem, 5.9vw, 2.5rem);
        line-height: 1.08;
    }
}
