:root {
    --store-ink: #16212b;
    --store-muted: #62707d;
    --store-line: #dfe5ea;
    --store-paper: #ffffff;
    --store-bg: #f4f6f8;
    --store-navy: #18324a;
    --store-orange: #ec6b2d;
    --store-blue: #2576b9;
    --store-green: #2f7b67;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body.storefront {
    margin: 0;
    min-width: 320px;
    color: var(--store-ink);
    background: var(--store-bg);
    font-family: "Noto Sans SC", "Source Han Sans SC", "Microsoft YaHei", sans-serif;
    font-size: 14px;
    line-height: 1.6;
}

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

.store-container {
    width: min(1160px, calc(100% - 48px));
    margin: 0 auto;
}

.store-header {
    position: sticky;
    top: 0;
    z-index: 30;
    background: rgba(255, 255, 255, 0.96);
    border-bottom: 1px solid var(--store-line);
}

.store-header-inner {
    min-height: 68px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.store-brand {
    display: inline-flex;
    align-items: center;
    gap: 11px;
    font-size: 17px;
    font-weight: 700;
    color: var(--store-navy);
}

.store-brand-mark {
    width: 34px;
    height: 34px;
    display: inline-grid;
    place-items: center;
    color: #fff;
    background: var(--store-navy);
    border-radius: 4px;
}

.store-nav {
    display: flex;
    align-items: center;
    gap: 6px;
}

.store-nav > a {
    min-height: 38px;
    display: inline-flex;
    align-items: center;
    padding: 0 13px;
    color: #43515d;
    border: 1px solid transparent;
    border-radius: 4px;
}

.store-nav > a:hover,
.store-nav > a:focus-visible {
    color: var(--store-navy);
    background: #edf1f4;
}

.store-nav .store-nav-primary {
    color: #fff;
    background: var(--store-navy);
}

.store-nav .store-nav-primary:hover,
.store-nav .store-nav-primary:focus-visible {
    color: #fff;
    background: #244761;
}

.store-nav .store-nav-quiet {
    color: #7a4a3b;
}

.store-overview {
    min-height: 510px;
    display: grid;
    grid-template-columns: minmax(0, 1.3fr) minmax(340px, 0.7fr);
    align-items: center;
    gap: 72px;
    padding: 76px 0 66px;
}

.store-eyebrow {
    display: flex;
    align-items: center;
    gap: 10px;
    margin: 0 0 18px;
    color: var(--store-orange);
    font-size: 13px;
    font-weight: 700;
}

.store-eyebrow > span {
    width: 28px;
    height: 2px;
    background: currentColor;
}

.store-overview h1 {
    margin: 0;
    color: var(--store-navy);
    font-family: "Noto Serif SC", "Source Han Serif SC", SimSun, serif;
    font-size: 48px;
    line-height: 1.28;
    font-weight: 700;
    letter-spacing: 0;
}

.store-overview h1 em {
    color: var(--store-orange);
    font-style: normal;
}

.store-lead {
    max-width: 620px;
    margin: 24px 0 0;
    color: var(--store-muted);
    font-size: 17px;
    line-height: 1.9;
}

.store-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 34px;
}

.store-button {
    min-height: 46px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 9px;
    padding: 0 20px;
    border: 1px solid var(--store-navy);
    border-radius: 4px;
    font-weight: 700;
    transition: transform 160ms ease, box-shadow 160ms ease, background 160ms ease;
}

.store-button:hover,
.store-button:focus-visible {
    transform: translateY(-1px);
    box-shadow: 0 8px 20px rgba(22, 33, 43, 0.12);
}

.store-button-primary {
    color: #fff;
    background: var(--store-navy);
}

.store-button-primary:hover,
.store-button-primary:focus-visible {
    color: #fff;
    background: #244761;
}

.store-button-secondary {
    color: var(--store-navy);
    background: transparent;
}

.store-entry-panel {
    overflow: hidden;
    background: var(--store-paper);
    border: 1px solid var(--store-line);
    border-top: 4px solid var(--store-navy);
    box-shadow: 0 18px 46px rgba(24, 50, 74, 0.09);
}

.store-panel-heading {
    min-height: 58px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 22px;
    border-bottom: 1px solid var(--store-line);
    font-weight: 700;
}

.store-panel-heading > i {
    color: #8a98a4;
}

.store-entry {
    min-height: 78px;
    display: grid;
    grid-template-columns: 42px minmax(0, 1fr) 16px;
    align-items: center;
    gap: 14px;
    padding: 12px 22px;
    border-bottom: 1px solid #edf0f2;
}

.store-entry:hover,
.store-entry:focus-visible {
    background: #f8fafb;
}

.store-entry > span:nth-child(2) {
    min-width: 0;
    display: flex;
    flex-direction: column;
}

.store-entry strong {
    font-size: 15px;
}

.store-entry small {
    margin-top: 2px;
    color: var(--store-muted);
    white-space: normal;
}

.store-entry > .fa-angle-right {
    color: #9aa6af;
}

.store-entry-icon {
    width: 42px;
    height: 42px;
    display: grid;
    place-items: center;
    color: #fff;
    border-radius: 4px;
    font-size: 16px;
}

.store-entry-icon-orange { background: var(--store-orange); }
.store-entry-icon-blue { background: var(--store-blue); }
.store-entry-icon-green { background: var(--store-green); }

.store-panel-foot {
    min-height: 48px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 22px;
    color: var(--store-muted);
    background: #f6f8fa;
    font-size: 12px;
}

.store-panel-foot strong {
    color: var(--store-green);
}

.store-section {
    padding: 76px 0;
    border-top: 1px solid var(--store-line);
}

.store-section-heading {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(280px, 420px);
    align-items: end;
    gap: 48px;
    margin-bottom: 32px;
}

.store-section-heading .store-eyebrow {
    margin-bottom: 10px;
}

.store-section-heading h2 {
    margin: 0;
    color: var(--store-navy);
    font-family: "Noto Serif SC", "Source Han Serif SC", SimSun, serif;
    font-size: 30px;
    line-height: 1.45;
    letter-spacing: 0;
}

.store-section-heading > p {
    margin: 0 0 4px;
    color: var(--store-muted);
}

.store-capability-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    border: 1px solid var(--store-line);
    background: var(--store-paper);
}

.store-capability {
    min-width: 0;
    padding: 30px;
    border-right: 1px solid var(--store-line);
}

.store-capability:last-child {
    border-right: 0;
}

.store-capability-icon {
    width: 44px;
    height: 44px;
    display: grid;
    place-items: center;
    color: var(--store-orange);
    background: #fff2eb;
    border: 1px solid #f4c9b4;
    border-radius: 4px;
    font-size: 18px;
}

.store-capability h3 {
    margin: 20px 0 9px;
    color: var(--store-navy);
    font-size: 18px;
}

.store-capability p {
    margin: 0;
    color: var(--store-muted);
    line-height: 1.8;
}

.store-workflow {
    display: grid;
    grid-template-columns: 180px minmax(0, 1fr);
    margin: 0 0 76px;
    color: #fff;
    background: var(--store-navy);
}

.store-workflow-label {
    min-height: 154px;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    gap: 12px;
    padding: 28px;
    color: #fff;
    background: var(--store-orange);
    font-size: 16px;
    font-weight: 700;
}

.store-workflow-label i {
    font-size: 22px;
}

.store-workflow-steps {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.store-workflow-steps > div {
    min-width: 0;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 26px 24px;
    border-right: 1px solid rgba(255, 255, 255, 0.13);
}

.store-workflow-steps > div:last-child {
    border-right: 0;
}

.store-workflow-steps b {
    color: #e9a27e;
    font-size: 12px;
}

.store-workflow-steps strong {
    margin-top: 6px;
    font-size: 16px;
}

.store-workflow-steps span {
    margin-top: 4px;
    color: #becbd4;
    font-size: 12px;
}

.store-footer {
    color: #9eabb5;
    background: #101820;
}

.store-footer-inner {
    min-height: 72px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    font-size: 12px;
}

.store-footer a:hover,
.store-footer a:focus-visible {
    color: #fff;
}

@media (max-width: 900px) {
    .store-nav > a[href="#capabilities"],
    .store-nav > a[href="#workflow"] {
        display: none;
    }

    .store-overview {
        grid-template-columns: 1fr;
        gap: 40px;
        padding: 58px 0;
    }

    .store-section-heading {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .store-workflow {
        grid-template-columns: 1fr;
    }

    .store-workflow-label {
        min-height: 74px;
        flex-direction: row;
        align-items: center;
        justify-content: flex-start;
    }
}

@media (max-width: 680px) {
    .store-container {
        width: min(100% - 30px, 1160px);
    }

    .store-header-inner {
        min-height: 60px;
        gap: 10px;
    }

    .store-brand {
        font-size: 15px;
    }

    .store-brand-mark {
        width: 30px;
        height: 30px;
    }

    .store-nav {
        gap: 2px;
    }

    .store-nav > a {
        min-height: 34px;
        padding: 0 8px;
        font-size: 13px;
    }

    .store-overview {
        min-height: auto;
        padding: 44px 0 48px;
    }

    .store-overview h1 {
        font-size: 35px;
        line-height: 1.34;
    }

    .store-lead {
        font-size: 15px;
        line-height: 1.8;
    }

    .store-actions {
        display: grid;
        grid-template-columns: 1fr;
    }

    .store-button {
        width: 100%;
    }

    .store-entry-panel {
        box-shadow: 0 12px 30px rgba(24, 50, 74, 0.08);
    }

    .store-section {
        padding: 54px 0;
    }

    .store-section-heading h2 {
        font-size: 25px;
    }

    .store-capability-grid {
        grid-template-columns: 1fr;
    }

    .store-capability {
        padding: 24px;
        border-right: 0;
        border-bottom: 1px solid var(--store-line);
    }

    .store-capability:last-child {
        border-bottom: 0;
    }

    .store-workflow {
        margin-bottom: 54px;
    }

    .store-workflow-label {
        min-height: 64px;
        padding: 18px 22px;
    }

    .store-workflow-steps {
        grid-template-columns: 1fr 1fr;
    }

    .store-workflow-steps > div:nth-child(2) {
        border-right: 0;
    }

    .store-workflow-steps > div:nth-child(-n+2) {
        border-bottom: 1px solid rgba(255, 255, 255, 0.13);
    }

    .store-footer-inner {
        min-height: 84px;
        flex-direction: column;
        justify-content: center;
        gap: 4px;
        text-align: center;
    }
}

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    .store-button { transition: none; }
}