:root {
    --bca-navy: #0f172a;
    --bca-navy-soft: #1e293b;
    --bca-blue: #2563eb;
    --bca-blue-dark: #1d4ed8;
    --bca-sky: #e0f2fe;
    --bca-emerald: #10b981;
    --bca-mint: #d1fae5;
    --bca-orange: #f97316;
    --bca-bg: #f8fafc;
    --bca-card: #ffffff;
    --bca-text: #334155;
    --bca-muted: #64748b;
    --bca-border: #e2e8f0;
    --bca-shadow: 0 18px 45px rgba(15, 23, 42, .10);
    --bca-radius: 24px;
    --bca-radius-sm: 16px;
    --bca-container: min(1120px, calc(100% - 32px));
}

* {
    box-sizing: border-box;
}

body.bca-body {
    background: var(--bca-bg);
    color: var(--bca-text);
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    line-height: 1.75;
    overflow-x: hidden;
}

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

a {
    color: var(--bca-blue);
    text-decoration: none;
}

a:hover {
    color: var(--bca-blue-dark);
}

.bca-container {
    width: var(--bca-container);
    margin: 0 auto;
}

.bca-site-header {
    position: sticky;
    top: 0;
    z-index: 999;
    background: rgba(255,255,255,.92);
    border-bottom: 1px solid rgba(226,232,240,.88);
    backdrop-filter: blur(18px);
}

.bca-header-shell {
    width: var(--bca-container);
    min-height: 74px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
}

.bca-brand {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    color: var(--bca-navy);
    min-width: 0;
}

.bca-brand-logo {
    width: 44px;
    height: 44px;
    border-radius: 14px;
    box-shadow: 0 12px 28px rgba(37,99,235,.22);
}

.bca-brand strong {
    display: block;
    font-size: 17px;
    line-height: 1.15;
    letter-spacing: -.02em;
}

.bca-brand small {
    display: block;
    color: var(--bca-muted);
    font-size: 11px;
    line-height: 1.2;
}

.bca-nav-toggle {
    width: 48px;
    height: 48px;
    border: 1px solid var(--bca-border);
    background: #fff;
    border-radius: 16px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 5px;
    box-shadow: 0 10px 24px rgba(15,23,42,.08);
    cursor: pointer;
}

.bca-nav-toggle span {
    width: 22px;
    height: 2px;
    display: block;
    border-radius: 999px;
    background: var(--bca-navy);
    transition: transform .2s ease, opacity .2s ease;
}

.bca-nav-open .bca-nav-toggle span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.bca-nav-open .bca-nav-toggle span:nth-child(2) {
    opacity: 0;
}

.bca-nav-open .bca-nav-toggle span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

.bca-primary-nav {
    position: fixed;
    left: 16px;
    right: 16px;
    top: 84px;
    opacity: 0;
    pointer-events: none;
    transform: translateY(-8px);
    transition: opacity .18s ease, transform .18s ease;
}

.bca-nav-open .bca-primary-nav {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
}

.bca-menu {
    margin: 0;
    padding: 12px;
    list-style: none;
    background: #fff;
    border: 1px solid var(--bca-border);
    border-radius: 22px;
    box-shadow: var(--bca-shadow);
}

.bca-menu li a {
    display: block;
    padding: 12px 14px;
    border-radius: 14px;
    color: var(--bca-navy-soft);
    font-weight: 700;
    font-size: 14px;
}

.bca-menu li a:hover,
.bca-menu .current-menu-item > a {
    background: linear-gradient(135deg, var(--bca-sky), var(--bca-mint));
    color: var(--bca-navy);
}

.bca-hero {
    position: relative;
    overflow: hidden;
    background:
        radial-gradient(circle at 15% 10%, rgba(37,99,235,.22), transparent 32%),
        radial-gradient(circle at 88% 18%, rgba(16,185,129,.20), transparent 28%),
        linear-gradient(135deg, #f8fafc 0%, #eff6ff 52%, #ecfdf5 100%);
}

.bca-hero::after {
    content: "";
    position: absolute;
    inset: auto -12% -130px -12%;
    height: 210px;
    background: #fff;
    border-radius: 50% 50% 0 0;
}

.bca-hero-grid {
    position: relative;
    z-index: 1;
    display: grid;
    gap: 28px;
    padding: 52px 0 76px;
}

.bca-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin: 0 0 14px;
    padding: 8px 12px;
    border-radius: 999px;
    background: rgba(255,255,255,.78);
    color: var(--bca-blue-dark);
    font-weight: 800;
    font-size: 13px;
    border: 1px solid rgba(37,99,235,.12);
}

.bca-hero h1,
.bca-sub-hero h1 {
    margin: 0;
    color: var(--bca-navy);
    letter-spacing: -.055em;
    line-height: 1.04;
    font-size: clamp(2.35rem, 12vw, 4.9rem);
}

.bca-hero .bca-lead,
.bca-sub-hero .bca-lead {
    color: #475569;
    font-size: clamp(1.05rem, 3.8vw, 1.28rem);
    max-width: 720px;
    margin: 18px 0 0;
}

.bca-hero-points {
    display: grid;
    gap: 10px;
    margin: 28px 0 0;
    padding: 0;
    list-style: none;
}

.bca-hero-points li {
    display: flex;
    gap: 10px;
    align-items: flex-start;
    padding: 12px 14px;
    border-radius: 16px;
    background: rgba(255,255,255,.72);
    border: 1px solid rgba(226,232,240,.8);
    color: #334155;
    font-weight: 700;
}

.bca-hero-points li::before {
    content: "✓";
    width: 24px;
    height: 24px;
    flex: 0 0 24px;
    border-radius: 50%;
    display: inline-grid;
    place-items: center;
    background: var(--bca-mint);
    color: #047857;
    font-weight: 900;
}

.bca-hero-media,
.bca-sub-hero-media {
    margin: 0;
    position: relative;
}

.bca-hero-media img,
.bca-sub-hero-media img {
    width: 100%;
    border-radius: 30px;
    border: 8px solid rgba(255,255,255,.72);
    box-shadow: var(--bca-shadow);
    object-fit: cover;
    aspect-ratio: 4 / 3;
}

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

.bca-section-white {
    background: #fff;
}

.bca-section h2 {
    color: var(--bca-navy);
    line-height: 1.12;
    letter-spacing: -.035em;
    font-size: clamp(1.8rem, 7vw, 3rem);
    margin: 0 0 18px;
}

.bca-section h3 {
    color: var(--bca-navy-soft);
    line-height: 1.18;
    letter-spacing: -.02em;
    font-size: 1.35rem;
    margin: 0 0 12px;
}

.bca-section p {
    margin: 0 0 18px;
}

.bca-narrow {
    max-width: 830px;
}

.bca-grid-2,
.bca-grid-3,
.bca-grid-4 {
    display: grid;
    gap: 18px;
}

.bca-card {
    background: var(--bca-card);
    border: 1px solid var(--bca-border);
    border-radius: var(--bca-radius);
    padding: 22px;
    box-shadow: 0 10px 28px rgba(15,23,42,.06);
}

.bca-card strong {
    color: var(--bca-navy);
}

.bca-card-link {
    display: block;
    color: inherit;
}

.bca-card-link:hover {
    transform: translateY(-2px);
    box-shadow: var(--bca-shadow);
}

.bca-icon {
    width: 48px;
    height: 48px;
    border-radius: 16px;
    display: grid;
    place-items: center;
    background: linear-gradient(135deg, var(--bca-sky), var(--bca-mint));
    color: var(--bca-blue-dark);
    font-weight: 900;
    margin-bottom: 14px;
}

.bca-highlight {
    background: linear-gradient(135deg, var(--bca-navy), #1e3a8a);
    color: #e2e8f0;
    border-radius: 30px;
    padding: 28px;
    box-shadow: var(--bca-shadow);
}

.bca-highlight h2,
.bca-highlight h3 {
    color: #fff;
}

.bca-highlight a {
    color: #bfdbfe;
    font-weight: 800;
}

.bca-sub-hero {
    background:
        radial-gradient(circle at 20% 0%, rgba(37,99,235,.22), transparent 28%),
        linear-gradient(135deg, #eff6ff, #f8fafc 55%, #ecfdf5);
}

.bca-sub-hero-grid {
    display: grid;
    gap: 26px;
    padding: 38px 0 48px;
}

.bca-breadcrumb {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
    color: var(--bca-muted);
    font-size: 13px;
    font-weight: 700;
    margin: 0 0 18px;
}

.bca-breadcrumb a {
    color: var(--bca-blue-dark);
}

.bca-content {
    padding: 52px 0;
}

.bca-content article {
    background: #fff;
    border: 1px solid var(--bca-border);
    border-radius: 30px;
    padding: 24px;
    box-shadow: 0 12px 34px rgba(15,23,42,.06);
}

.bca-content article h2 {
    margin-top: 34px;
}

.bca-content article h2:first-child {
    margin-top: 0;
}

.bca-note-box {
    background: linear-gradient(135deg, #fff7ed, #eff6ff);
    border: 1px solid #fed7aa;
    border-radius: 22px;
    padding: 20px;
    margin: 26px 0;
}

.bca-note-box strong {
    display: block;
    color: var(--bca-navy);
    font-size: 1.05rem;
    margin-bottom: 8px;
}

.bca-table-wrap {
    overflow-x: auto;
    border-radius: 22px;
    border: 1px solid var(--bca-border);
    margin: 24px 0;
    background: #fff;
}

.bca-table {
    width: 100%;
    min-width: 720px;
    border-collapse: collapse;
}

.bca-table th,
.bca-table td {
    padding: 15px 16px;
    text-align: left;
    border-bottom: 1px solid var(--bca-border);
}

.bca-table th {
    background: #f1f5f9;
    color: var(--bca-navy);
}

.bca-faq {
    display: grid;
    gap: 14px;
}

.bca-faq details {
    background: #fff;
    border: 1px solid var(--bca-border);
    border-radius: 20px;
    padding: 18px;
    box-shadow: 0 8px 20px rgba(15,23,42,.04);
}

.bca-faq summary {
    cursor: pointer;
    font-weight: 900;
    color: var(--bca-navy);
}

.bca-faq p {
    margin: 12px 0 0;
}

.bca-site-footer {
    background:
        radial-gradient(circle at 10% 20%, rgba(37,99,235,.24), transparent 32%),
        linear-gradient(135deg, #0f172a, #111827);
    color: #cbd5e1;
    padding: 50px 0 0;
}

.bca-footer-grid {
    display: grid;
    gap: 30px;
}

.bca-footer-brand img {
    border-radius: 16px;
    margin-bottom: 16px;
}

.bca-site-footer h2,
.bca-site-footer h3 {
    color: #fff;
    margin-top: 0;
}

.bca-footer-menu,
.bca-site-footer .bca-menu {
    list-style: none;
    margin: 0;
    padding: 0;
    background: transparent;
    border: 0;
    box-shadow: none;
}

.bca-footer-menu li a,
.bca-site-footer .bca-menu li a {
    color: #dbeafe;
    display: inline-block;
    padding: 6px 0;
    font-weight: 700;
}

.bca-footer-bottom {
    margin-top: 36px;
    border-top: 1px solid rgba(148,163,184,.25);
    text-align: center;
    padding: 18px;
    color: #94a3b8;
    font-size: 14px;
}

.bca-404 {
    min-height: 62vh;
    display: grid;
    place-items: center;
    text-align: center;
}

.bca-pill-list {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    padding: 0;
    margin: 22px 0 0;
    list-style: none;
}

.bca-pill-list a {
    display: inline-flex;
    padding: 9px 13px;
    border-radius: 999px;
    background: #fff;
    border: 1px solid var(--bca-border);
    color: var(--bca-navy-soft);
    font-weight: 800;
}

@media (min-width: 700px) {
    .bca-grid-2 {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .bca-grid-3,
    .bca-grid-4 {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .bca-content article {
        padding: 36px;
    }
}

@media (min-width: 900px) {
    .bca-nav-toggle {
        display: none;
    }

    .bca-primary-nav {
        position: static;
        opacity: 1;
        pointer-events: auto;
        transform: none;
        flex: 1;
        display: flex;
        justify-content: flex-end;
    }

    .bca-menu {
        display: flex;
        align-items: center;
        gap: 3px;
        padding: 6px;
        background: rgba(248,250,252,.9);
        box-shadow: none;
        border-radius: 18px;
    }

    .bca-menu li a {
        padding: 10px 12px;
        font-size: 13px;
        white-space: nowrap;
    }

    .bca-hero-grid {
        grid-template-columns: 1.05fr .95fr;
        align-items: center;
        padding: 78px 0 104px;
    }

    .bca-sub-hero-grid {
        grid-template-columns: 1.04fr .74fr;
        align-items: center;
        padding: 56px 0 64px;
    }

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

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

    .bca-footer-grid {
        grid-template-columns: 1.3fr .8fr 1fr;
    }
}

@media (min-width: 1140px) {
    .bca-menu li a {
        padding: 10px 15px;
        font-size: 14px;
    }
}

@media (max-width: 420px) {
    :root {
        --bca-container: min(100% - 22px, 1120px);
    }

    .bca-brand small {
        display: none;
    }

    .bca-hero h1,
    .bca-sub-hero h1 {
        font-size: 2.22rem;
    }

    .bca-card,
    .bca-highlight,
    .bca-content article {
        border-radius: 22px;
    }
}/* =========================================================
   Header + Footer Ultimate Rebuild
   Add this block at the bottom of assets/css/main.css
========================================================= */

.bca-site-header.bca-header-v2 {
    position: sticky;
    top: 0;
    z-index: 9999;
    background: rgba(255, 255, 255, .94);
    border-bottom: 1px solid rgba(226, 232, 240, .95);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    transition: box-shadow .2s ease, background .2s ease;
}

.admin-bar .bca-site-header.bca-header-v2 {
    top: 32px;
}

.bca-site-header.is-scrolled {
    box-shadow: 0 14px 34px rgba(15, 23, 42, .08);
    background: rgba(255, 255, 255, .97);
}

.bca-header-shell {
    width: var(--bca-container);
    min-height: 76px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
}

.bca-brand-v2 {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    color: var(--bca-navy);
    min-width: 0;
    flex-shrink: 0;
}

.bca-brand-logo-wrap {
    width: 50px;
    height: 50px;
    display: grid;
    place-items: center;
    border-radius: 18px;
    background:
        radial-gradient(circle at 35% 25%, rgba(16, 185, 129, .38), transparent 36%),
        linear-gradient(135deg, #eff6ff, #ecfdf5);
    border: 1px solid rgba(191, 219, 254, .85);
    box-shadow: 0 14px 32px rgba(37, 99, 235, .18);
}

.bca-brand-v2 .bca-brand-logo {
    width: 38px;
    height: 38px;
    border-radius: 13px;
    box-shadow: none;
}

.bca-brand-text {
    display: block;
    min-width: 0;
}

.bca-brand-text strong {
    display: block;
    font-size: 18px;
    line-height: 1.1;
    letter-spacing: -.03em;
    color: #0f172a;
    white-space: nowrap;
}

.bca-brand-text small {
    display: block;
    margin-top: 4px;
    font-size: 11px;
    line-height: 1.2;
    color: #64748b;
    white-space: nowrap;
}

.bca-nav-toggle {
    width: 48px;
    height: 48px;
    border: 1px solid rgba(203, 213, 225, .9);
    background: #ffffff;
    border-radius: 16px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 5px;
    box-shadow: 0 12px 26px rgba(15, 23, 42, .10);
    cursor: pointer;
    padding: 0;
    position: relative;
    z-index: 10001;
}

.bca-nav-toggle span {
    width: 23px;
    height: 2.5px;
    display: block;
    border-radius: 999px;
    background: #0f172a;
    transition: transform .22s ease, opacity .18s ease;
}

.bca-nav-open .bca-nav-toggle span:nth-child(1) {
    transform: translateY(7.5px) rotate(45deg);
}

.bca-nav-open .bca-nav-toggle span:nth-child(2) {
    opacity: 0;
}

.bca-nav-open .bca-nav-toggle span:nth-child(3) {
    transform: translateY(-7.5px) rotate(-45deg);
}

.bca-primary-nav {
    position: fixed;
    left: 14px;
    right: 14px;
    top: 86px;
    z-index: 10000;
    opacity: 0;
    pointer-events: none;
    transform: translateY(-10px);
    transition: opacity .2s ease, transform .2s ease;
}

.admin-bar .bca-primary-nav {
    top: 118px;
}

.bca-nav-open .bca-primary-nav {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
}

.bca-primary-nav .bca-menu {
    margin: 0;
    padding: 10px;
    list-style: none;
    background: rgba(255, 255, 255, .98);
    border: 1px solid rgba(226, 232, 240, .95);
    border-radius: 24px;
    box-shadow: 0 24px 60px rgba(15, 23, 42, .18);
    max-height: calc(100vh - 112px);
    overflow-y: auto;
}

.bca-primary-nav .bca-menu li {
    margin: 0;
}

.bca-primary-nav .bca-menu li a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 13px 15px;
    border-radius: 16px;
    color: #1e293b;
    font-weight: 800;
    font-size: 14px;
    line-height: 1.25;
}

.bca-primary-nav .bca-menu li a:hover,
.bca-primary-nav .bca-menu .current-menu-item > a,
.bca-primary-nav .bca-menu .current_page_item > a {
    background: linear-gradient(135deg, #dbeafe, #d1fae5);
    color: #0f172a;
}

.bca-nav-backdrop {
    display: none;
    position: fixed;
    left: 0;
    right: 0;
    top: 76px;
    bottom: 0;
    z-index: 9998;
    background: rgba(15, 23, 42, .34);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
}

.admin-bar .bca-nav-backdrop {
    top: 108px;
}

.bca-nav-open .bca-nav-backdrop {
    display: block;
}

/* Footer rebuild */
.bca-footer-v2 {
    margin-top: 52px;
    background:
        radial-gradient(circle at 12% 18%, rgba(37, 99, 235, .35), transparent 28%),
        radial-gradient(circle at 88% 10%, rgba(16, 185, 129, .24), transparent 30%),
        linear-gradient(135deg, #0f172a 0%, #111827 54%, #020617 100%);
    color: #cbd5e1;
}

.bca-footer-main {
    padding: 54px 0 36px;
}

.bca-footer-grid {
    display: grid;
    gap: 30px;
}

.bca-footer-brand,
.bca-footer-section {
    min-width: 0;
}

.bca-footer-logo-row {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 16px;
}

.bca-footer-logo-row img {
    width: 52px;
    height: 52px;
    border-radius: 18px;
    background: #ffffff;
    padding: 5px;
    box-shadow: 0 18px 42px rgba(37, 99, 235, .28);
}

.bca-footer-v2 h2,
.bca-footer-v2 h3 {
    color: #ffffff;
    margin: 0 0 14px;
    letter-spacing: -.02em;
}

.bca-footer-v2 h2 {
    font-size: 24px;
    line-height: 1.1;
}

.bca-footer-v2 h3 {
    font-size: 15px;
    text-transform: uppercase;
    letter-spacing: .08em;
}

.bca-footer-kicker {
    margin: 4px 0 0;
    color: #93c5fd;
    font-size: 13px;
    font-weight: 800;
}

.bca-footer-v2 p {
    margin: 0;
    color: #cbd5e1;
    font-size: 14px;
    line-height: 1.75;
}

.bca-footer-menu,
.bca-footer-topic-list,
.bca-footer-v2 .bca-menu {
    list-style: none;
    margin: 0;
    padding: 0;
    background: transparent;
    border: 0;
    box-shadow: none;
}

.bca-footer-menu li,
.bca-footer-topic-list li,
.bca-footer-v2 .bca-menu li {
    margin: 0;
}

.bca-footer-menu li a,
.bca-footer-topic-list li a,
.bca-footer-v2 .bca-menu li a {
    display: inline-flex;
    align-items: center;
    color: #dbeafe;
    padding: 7px 0;
    font-weight: 800;
    font-size: 14px;
    line-height: 1.35;
}

.bca-footer-menu li a:hover,
.bca-footer-topic-list li a:hover,
.bca-footer-v2 .bca-menu li a:hover {
    color: #86efac;
}

.bca-footer-risk {
    padding: 20px;
    border: 1px solid rgba(148, 163, 184, .24);
    border-radius: 22px;
    background: rgba(15, 23, 42, .42);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, .05);
}

.bca-footer-bottom {
    border-top: 1px solid rgba(148, 163, 184, .22);
    background: rgba(2, 6, 23, .42);
    padding: 17px 0;
}

.bca-footer-bottom-inner {
    display: flex;
    flex-direction: column;
    gap: 7px;
    align-items: center;
    text-align: center;
}

.bca-footer-bottom p {
    margin: 0;
    color: #94a3b8;
    font-size: 13px;
    line-height: 1.5;
}

/* Desktop header */
@media (min-width: 900px) {
    .bca-header-shell {
        min-height: 82px;
    }

    .bca-nav-toggle,
    .bca-nav-backdrop {
        display: none !important;
    }

    .bca-primary-nav {
        position: static;
        opacity: 1;
        pointer-events: auto;
        transform: none;
        flex: 1;
        display: flex;
        justify-content: flex-end;
        z-index: auto;
    }

    .bca-primary-nav .bca-menu {
        display: flex;
        align-items: center;
        justify-content: flex-end;
        gap: 4px;
        padding: 6px;
        max-height: none;
        overflow: visible;
        border-radius: 20px;
        background: rgba(248, 250, 252, .86);
        border: 1px solid rgba(226, 232, 240, .82);
        box-shadow: none;
    }

    .bca-primary-nav .bca-menu li a {
        padding: 10px 11px;
        border-radius: 14px;
        font-size: 13px;
        white-space: nowrap;
    }

    .bca-footer-grid {
        grid-template-columns: 1.45fr .75fr .9fr 1fr;
        align-items: start;
    }

    .bca-footer-bottom-inner {
        flex-direction: row;
        justify-content: space-between;
        text-align: left;
    }
}

@media (min-width: 1180px) {
    .bca-primary-nav .bca-menu li a {
        padding: 10px 14px;
        font-size: 14px;
    }
}

/* Mobile polish */
@media (max-width: 899px) {
    body.bca-nav-open {
        overflow: hidden;
    }

    .bca-header-shell {
        min-height: 72px;
    }

    .bca-brand-logo-wrap {
        width: 46px;
        height: 46px;
        border-radius: 16px;
    }

    .bca-brand-v2 .bca-brand-logo {
        width: 35px;
        height: 35px;
    }
}

@media (max-width: 480px) {
    .bca-brand-text strong {
        font-size: 16px;
    }

    .bca-brand-text small {
        display: none;
    }

    .bca-primary-nav {
        left: 10px;
        right: 10px;
        top: 80px;
    }

    .admin-bar .bca-primary-nav {
        top: 126px;
    }

    .bca-footer-main {
        padding-top: 42px;
    }
}

@media (max-width: 782px) {
    .admin-bar .bca-site-header.bca-header-v2 {
        top: 46px;
    }

    .admin-bar .bca-nav-backdrop {
        top: 118px;
    }
}
/* =========================================================
   Best Crypto App Homepage Ultimate CSS
   Add to bottom of assets/css/main.css
========================================================= */

:root {
    --bca-navy: #0f172a;
    --bca-blue: #2563eb;
    --bca-blue-dark: #1d4ed8;
    --bca-emerald: #10b981;
    --bca-green: #059669;
    --bca-slate: #334155;
    --bca-muted: #64748b;
    --bca-light: #f8fafc;
    --bca-soft: #eef6ff;
    --bca-border: #e2e8f0;
    --bca-white: #ffffff;
    --bca-shadow: 0 18px 45px rgba(15, 23, 42, .10);
    --bca-shadow-soft: 0 10px 28px rgba(15, 23, 42, .08);
    --bca-radius: 26px;
    --bca-radius-sm: 18px;
    --bca-container: min(1180px, calc(100% - 32px));
}

/* Base homepage layout */
.bca-page-wrap,
.bca-home {
    background:
        radial-gradient(circle at top left, rgba(37, 99, 235, .10), transparent 32%),
        radial-gradient(circle at 90% 8%, rgba(16, 185, 129, .10), transparent 30%),
        linear-gradient(180deg, #f8fafc 0%, #ffffff 44%, #f8fafc 100%);
    color: var(--bca-slate);
    overflow: hidden;
}

.bca-container {
    width: var(--bca-container);
    margin: 0 auto;
}

.bca-section {
    padding: 72px 0;
    position: relative;
}

.bca-section + .bca-section {
    border-top: 1px solid rgba(226, 232, 240, .62);
}

.bca-section-head {
    max-width: 850px;
    margin: 0 auto 34px;
    text-align: center;
}

.bca-section-head h2 {
    margin: 0 0 16px;
    font-size: clamp(30px, 4vw, 50px);
    line-height: 1.08;
    letter-spacing: -.045em;
    color: var(--bca-navy);
}

.bca-section-head p {
    margin: 0;
    color: var(--bca-muted);
    font-size: 17px;
    line-height: 1.82;
}

.bca-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin: 0 0 14px;
    padding: 8px 13px;
    border-radius: 999px;
    background: linear-gradient(135deg, rgba(37, 99, 235, .10), rgba(16, 185, 129, .12));
    color: #1d4ed8;
    border: 1px solid rgba(191, 219, 254, .9);
    font-size: 12px;
    line-height: 1;
    font-weight: 900;
    letter-spacing: .08em;
    text-transform: uppercase;
}

.bca-eyebrow::before {
    content: "";
    width: 8px;
    height: 8px;
    border-radius: 999px;
    background: var(--bca-emerald);
    box-shadow: 0 0 0 5px rgba(16, 185, 129, .13);
}

/* Hero */
.bca-hero,
.bca-home-hero {
    padding: 78px 0 74px;
    background:
        radial-gradient(circle at 18% 22%, rgba(37, 99, 235, .20), transparent 34%),
        radial-gradient(circle at 80% 10%, rgba(16, 185, 129, .18), transparent 30%),
        linear-gradient(135deg, #eff6ff 0%, #f8fafc 45%, #ecfdf5 100%);
    border-bottom: 1px solid rgba(226, 232, 240, .9);
}

.bca-hero-grid {
    display: grid;
    grid-template-columns: 1.05fr .95fr;
    align-items: center;
    gap: 48px;
}

.bca-hero-content {
    position: relative;
    z-index: 2;
}

.bca-hero-content h1 {
    margin: 0 0 22px;
    color: var(--bca-navy);
    font-size: clamp(42px, 6vw, 76px);
    line-height: .98;
    letter-spacing: -.065em;
    max-width: 760px;
}

.bca-hero-lead {
    margin: 0;
    max-width: 690px;
    color: #475569;
    font-size: 19px;
    line-height: 1.78;
}

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

.bca-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 54px;
    padding: 15px 26px;
    border-radius: 999px;
    font-size: 15px;
    font-weight: 900;
    line-height: 1;
    text-decoration: none;
    transition: transform .18s ease, box-shadow .18s ease, background .18s ease;
}

.bca-btn:hover {
    transform: translateY(-2px);
}

.bca-btn-primary {
    color: #ffffff;
    background: linear-gradient(135deg, var(--bca-blue), var(--bca-emerald));
    box-shadow: 0 16px 36px rgba(37, 99, 235, .30);
}

.bca-btn-primary:hover {
    color: #ffffff;
    box-shadow: 0 22px 45px rgba(37, 99, 235, .38);
}

.bca-hero-badges {
    margin-top: 24px;
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.bca-hero-badges span {
    display: inline-flex;
    align-items: center;
    min-height: 34px;
    padding: 8px 13px;
    border-radius: 999px;
    background: rgba(255, 255, 255, .78);
    border: 1px solid rgba(203, 213, 225, .9);
    color: #334155;
    font-size: 13px;
    font-weight: 800;
    box-shadow: 0 8px 18px rgba(15, 23, 42, .06);
}

.bca-hero-media {
    position: relative;
}

.bca-hero-media::before {
    content: "";
    position: absolute;
    inset: -22px;
    border-radius: 38px;
    background:
        linear-gradient(135deg, rgba(37, 99, 235, .18), rgba(16, 185, 129, .18));
    transform: rotate(-3deg);
    z-index: 0;
}

.bca-hero-media img {
    position: relative;
    z-index: 1;
    width: 100%;
    aspect-ratio: 4 / 5;
    object-fit: cover;
    display: block;
    border-radius: 34px;
    box-shadow: 0 34px 80px rgba(15, 23, 42, .22);
    border: 1px solid rgba(255, 255, 255, .88);
}

/* Content card */
.bca-content-card {
    max-width: 1040px;
    margin: 0 auto;
    padding: 34px;
    border-radius: var(--bca-radius);
    background:
        linear-gradient(180deg, rgba(255, 255, 255, .96), rgba(248, 250, 252, .94));
    border: 1px solid rgba(226, 232, 240, .95);
    box-shadow: var(--bca-shadow-soft);
}

.bca-content-card p {
    margin: 0 0 22px;
    color: #334155;
    font-size: 17px;
    line-height: 1.92;
}

.bca-content-card p:last-child {
    margin-bottom: 0;
}

.bca-content-card a,
.bca-table-note a,
.bca-faq-more a {
    color: var(--bca-blue);
    font-weight: 900;
    text-decoration: underline;
    text-decoration-thickness: 2px;
    text-underline-offset: 3px;
}

.bca-content-card a:hover,
.bca-table-note a:hover,
.bca-faq-more a:hover {
    color: var(--bca-green);
}

/* Grid cards */
.bca-card-grid {
    display: grid;
    gap: 22px;
}

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

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

.bca-mini-card {
    padding: 26px;
    border-radius: 24px;
    background: #ffffff;
    border: 1px solid rgba(226, 232, 240, .95);
    box-shadow: var(--bca-shadow-soft);
    position: relative;
    overflow: hidden;
}

.bca-mini-card::before {
    content: "";
    position: absolute;
    top: 0;
    left: 26px;
    right: 26px;
    height: 4px;
    border-radius: 0 0 999px 999px;
    background: linear-gradient(90deg, var(--bca-blue), var(--bca-emerald));
}

.bca-mini-card h3 {
    margin: 8px 0 12px;
    color: var(--bca-navy);
    font-size: 21px;
    line-height: 1.2;
    letter-spacing: -.025em;
}

.bca-mini-card p {
    margin: 0;
    color: var(--bca-muted);
    font-size: 15px;
    line-height: 1.75;
}

/* Split sections */
.bca-split-grid {
    display: grid;
    grid-template-columns: .95fr 1.05fr;
    gap: 46px;
    align-items: center;
}

.bca-split-reverse .bca-split-grid {
    grid-template-columns: 1.05fr .95fr;
}

.bca-split-content h2 {
    margin: 0 0 20px;
    color: var(--bca-navy);
    font-size: clamp(30px, 4vw, 50px);
    line-height: 1.08;
    letter-spacing: -.045em;
}

.bca-split-content p {
    margin: 0 0 20px;
    color: #334155;
    font-size: 17px;
    line-height: 1.9;
}

.bca-split-content p:last-child {
    margin-bottom: 0;
}

.bca-split-content a {
    color: var(--bca-blue);
    font-weight: 900;
    text-decoration: underline;
    text-decoration-thickness: 2px;
    text-underline-offset: 3px;
}

.bca-split-content a:hover {
    color: var(--bca-green);
}

.bca-split-media {
    position: relative;
}

.bca-split-media::after {
    content: "";
    position: absolute;
    inset: auto 22px -16px 22px;
    height: 34px;
    border-radius: 50%;
    background: rgba(15, 23, 42, .16);
    filter: blur(20px);
    z-index: 0;
}

.bca-split-media img {
    position: relative;
    z-index: 1;
    width: 100%;
    aspect-ratio: 5 / 4;
    object-fit: cover;
    display: block;
    border-radius: 30px;
    border: 1px solid rgba(255, 255, 255, .88);
    box-shadow: 0 26px 62px rgba(15, 23, 42, .16);
}

/* Feature cards with images */
.bca-feature-card {
    background: #ffffff;
    border-radius: 28px;
    overflow: hidden;
    border: 1px solid rgba(226, 232, 240, .95);
    box-shadow: var(--bca-shadow-soft);
    transition: transform .18s ease, box-shadow .18s ease;
}

.bca-feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--bca-shadow);
}

.bca-feature-card img {
    width: 100%;
    aspect-ratio: 16 / 10;
    object-fit: cover;
    display: block;
}

.bca-feature-card div {
    padding: 26px;
}

.bca-feature-card h3 {
    margin: 0 0 12px;
    color: var(--bca-navy);
    font-size: 24px;
    line-height: 1.16;
    letter-spacing: -.03em;
}

.bca-feature-card p {
    margin: 0 0 18px;
    color: var(--bca-muted);
    font-size: 15.5px;
    line-height: 1.78;
}

.bca-feature-card a {
    color: var(--bca-blue);
    font-size: 14px;
    font-weight: 900;
    text-decoration: none;
}

.bca-feature-card a::after {
    content: " →";
}

.bca-feature-card a:hover {
    color: var(--bca-green);
}

/* Table */
.bca-table-wrap {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    border-radius: 24px;
    border: 1px solid rgba(226, 232, 240, .95);
    background: #ffffff;
    box-shadow: var(--bca-shadow-soft);
}

.bca-info-table {
    width: 100%;
    min-width: 760px;
    border-collapse: separate;
    border-spacing: 0;
    background: #ffffff;
}

.bca-info-table th,
.bca-info-table td {
    padding: 18px 20px;
    text-align: left;
    vertical-align: top;
    border-bottom: 1px solid rgba(226, 232, 240, .95);
}

.bca-info-table th {
    background: linear-gradient(135deg, #0f172a, #1e3a8a);
    color: #ffffff;
    font-size: 13px;
    line-height: 1.2;
    text-transform: uppercase;
    letter-spacing: .08em;
}

.bca-info-table th:first-child {
    border-top-left-radius: 24px;
}

.bca-info-table th:last-child {
    border-top-right-radius: 24px;
}

.bca-info-table td {
    color: #475569;
    font-size: 15px;
    line-height: 1.72;
}

.bca-info-table tbody tr:last-child td {
    border-bottom: 0;
}

.bca-info-table td:first-child {
    color: var(--bca-navy);
    font-weight: 900;
}

.bca-table-note {
    margin: 18px auto 0;
    max-width: 900px;
    color: var(--bca-muted);
    font-size: 15px;
    line-height: 1.75;
    text-align: center;
}

/* Checklist */
.bca-checklist-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 22px;
}

.bca-check-card {
    padding: 28px;
    border-radius: 26px;
    background:
        linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
    border: 1px solid rgba(226, 232, 240, .95);
    box-shadow: var(--bca-shadow-soft);
}

.bca-check-card span {
    display: inline-grid;
    place-items: center;
    width: 44px;
    height: 44px;
    margin-bottom: 18px;
    border-radius: 16px;
    background: linear-gradient(135deg, var(--bca-blue), var(--bca-emerald));
    color: #ffffff;
    font-size: 14px;
    font-weight: 900;
    box-shadow: 0 12px 26px rgba(37, 99, 235, .22);
}

.bca-check-card h3 {
    margin: 0 0 12px;
    color: var(--bca-navy);
    font-size: 21px;
    line-height: 1.22;
    letter-spacing: -.025em;
}

.bca-check-card p {
    margin: 0;
    color: var(--bca-muted);
    font-size: 15.5px;
    line-height: 1.78;
}

/* Topic links */
.bca-link-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 18px;
}

.bca-link-card {
    display: flex;
    flex-direction: column;
    min-height: 180px;
    padding: 24px;
    border-radius: 24px;
    text-decoration: none;
    background: #ffffff;
    border: 1px solid rgba(226, 232, 240, .95);
    box-shadow: var(--bca-shadow-soft);
    transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}

.bca-link-card:hover {
    transform: translateY(-4px);
    border-color: rgba(37, 99, 235, .35);
    box-shadow: var(--bca-shadow);
}

.bca-link-card span {
    display: inline-flex;
    width: fit-content;
    margin-bottom: 18px;
    padding: 8px 12px;
    border-radius: 999px;
    background: #eff6ff;
    color: var(--bca-blue);
    font-size: 12px;
    font-weight: 900;
    letter-spacing: .06em;
    text-transform: uppercase;
}

.bca-link-card strong {
    color: var(--bca-navy);
    font-size: 17px;
    line-height: 1.45;
    letter-spacing: -.02em;
}

/* FAQ */
.bca-faq-section {
    background:
        radial-gradient(circle at 12% 10%, rgba(37, 99, 235, .10), transparent 30%),
        radial-gradient(circle at 88% 16%, rgba(16, 185, 129, .10), transparent 30%),
        #f8fafc;
}

.bca-faq-list {
    max-width: 980px;
    margin: 0 auto;
    display: grid;
    gap: 14px;
}

.bca-faq-item {
    border-radius: 22px;
    background: #ffffff;
    border: 1px solid rgba(226, 232, 240, .95);
    box-shadow: 0 8px 22px rgba(15, 23, 42, .06);
    overflow: hidden;
}

.bca-faq-item summary {
    cursor: pointer;
    list-style: none;
    padding: 22px 58px 22px 24px;
    position: relative;
    color: var(--bca-navy);
    font-size: 17px;
    line-height: 1.35;
    font-weight: 900;
}

.bca-faq-item summary::-webkit-details-marker {
    display: none;
}

.bca-faq-item summary::after {
    content: "+";
    position: absolute;
    right: 22px;
    top: 50%;
    transform: translateY(-50%);
    width: 30px;
    height: 30px;
    display: grid;
    place-items: center;
    border-radius: 999px;
    background: #eff6ff;
    color: var(--bca-blue);
    font-size: 22px;
    line-height: 1;
    font-weight: 900;
}

.bca-faq-item[open] summary::after {
    content: "−";
    background: linear-gradient(135deg, var(--bca-blue), var(--bca-emerald));
    color: #ffffff;
}

.bca-faq-item div {
    padding: 0 24px 24px;
}

.bca-faq-item p {
    margin: 0;
    color: var(--bca-muted);
    font-size: 15.8px;
    line-height: 1.82;
}

.bca-faq-more {
    margin-top: 24px;
    text-align: center;
}

.bca-faq-more p {
    margin: 0;
    color: var(--bca-muted);
    font-size: 16px;
    line-height: 1.7;
}

/* Section variations */
.bca-intro-section {
    padding-top: 76px;
}

.bca-feature-section {
    background:
        linear-gradient(180deg, rgba(239, 246, 255, .55), rgba(255, 255, 255, .9));
}

.bca-security-section {
    background:
        linear-gradient(135deg, rgba(239, 246, 255, .86), rgba(236, 253, 245, .62));
}

.bca-topic-links {
    background:
        linear-gradient(180deg, rgba(255, 255, 255, .96), rgba(248, 250, 252, .96));
}

/* Image fallback safety */
.bca-hero-media img,
.bca-split-media img,
.bca-feature-card img {
    background:
        linear-gradient(135deg, #dbeafe, #dcfce7);
}

/* Responsive */
@media (max-width: 1080px) {
    .bca-grid-4 {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .bca-grid-3,
    .bca-checklist-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

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

    .bca-hero-grid,
    .bca-split-grid,
    .bca-split-reverse .bca-split-grid {
        gap: 34px;
    }
}

@media (max-width: 860px) {
    :root {
        --bca-container: min(100% - 24px, 1180px);
    }

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

    .bca-hero,
    .bca-home-hero {
        padding: 48px 0 56px;
    }

    .bca-hero-grid,
    .bca-split-grid,
    .bca-split-reverse .bca-split-grid {
        grid-template-columns: 1fr;
    }

    .bca-split-reverse .bca-split-content {
        order: 1;
    }

    .bca-split-reverse .bca-split-media {
        order: 2;
    }

    .bca-hero-content h1 {
        font-size: clamp(38px, 11vw, 56px);
    }

    .bca-hero-lead,
    .bca-section-head p,
    .bca-content-card p,
    .bca-split-content p {
        font-size: 16px;
    }

    .bca-hero-media img {
        aspect-ratio: 16 / 12;
        border-radius: 28px;
    }

    .bca-hero-media::before {
        inset: -12px;
        border-radius: 30px;
    }

    .bca-split-media img {
        aspect-ratio: 16 / 11;
    }

    .bca-content-card {
        padding: 26px;
        border-radius: 22px;
    }

    .bca-section-head {
        margin-bottom: 26px;
    }
}

@media (max-width: 640px) {
    :root {
        --bca-container: min(100% - 20px, 1180px);
    }

    .bca-section {
        padding: 46px 0;
    }

    .bca-grid-4,
    .bca-grid-3,
    .bca-checklist-grid,
    .bca-link-grid {
        grid-template-columns: 1fr;
    }

    .bca-hero-actions {
        align-items: stretch;
    }

    .bca-btn {
        width: 100%;
        min-height: 56px;
    }

    .bca-hero-badges {
        gap: 8px;
    }

    .bca-hero-badges span {
        font-size: 12px;
        min-height: 32px;
    }

    .bca-content-card {
        padding: 22px;
    }

    .bca-mini-card,
    .bca-check-card,
    .bca-link-card {
        padding: 22px;
    }

    .bca-feature-card div {
        padding: 22px;
    }

    .bca-section-head h2,
    .bca-split-content h2 {
        font-size: clamp(28px, 9vw, 40px);
    }

    .bca-faq-item summary {
        padding: 19px 54px 19px 20px;
        font-size: 16px;
    }

    .bca-faq-item div {
        padding: 0 20px 22px;
    }

    .bca-info-table th,
    .bca-info-table td {
        padding: 15px 16px;
    }
}

@media (max-width: 420px) {
    .bca-hero,
    .bca-home-hero {
        padding-top: 40px;
    }

    .bca-hero-content h1 {
        letter-spacing: -.05em;
    }

    .bca-hero-lead {
        line-height: 1.7;
    }

    .bca-content-card p,
    .bca-split-content p {
        line-height: 1.78;
    }

    .bca-hero-media img,
    .bca-split-media img {
        border-radius: 22px;
    }
}/* =========================================================
   Split Content Border Framework Fix
   修复首页左右图文区块没有边框样式的问题
   Add to bottom of assets/css/main.css
========================================================= */

/* 整个左右图文模块变成大框架 */
.bca-home .bca-split-section .bca-split-grid {
    padding: 34px !important;
    border-radius: 34px !important;
    background:
        linear-gradient(180deg, rgba(255,255,255,.98), rgba(248,250,252,.96)) !important;
    border: 1px solid rgba(203, 213, 225, .95) !important;
    box-shadow: 0 24px 60px rgba(15, 23, 42, .11) !important;
}

/* 文字内容单独加轻卡片 */
.bca-home .bca-split-section .bca-split-content {
    padding: 30px !important;
    border-radius: 28px !important;
    background:
        linear-gradient(180deg, #ffffff 0%, #f8fafc 100%) !important;
    border: 1px solid rgba(226, 232, 240, .95) !important;
    box-shadow: 0 12px 30px rgba(15, 23, 42, .06) !important;
}

/* 标题避免贴边、被截断 */
.bca-home .bca-split-section .bca-split-content h2 {
    margin-top: 0 !important;
    margin-bottom: 20px !important;
    padding-top: 2px !important;
    color: #0f172a !important;
    font-weight: 900 !important;
    line-height: 1.12 !important;
}

/* 正文排版更像正式内容框 */
.bca-home .bca-split-section .bca-split-content p {
    margin: 0 0 20px !important;
    color: #334155 !important;
    font-size: 17px !important;
    line-height: 1.9 !important;
}

.bca-home .bca-split-section .bca-split-content p:last-child {
    margin-bottom: 0 !important;
}

/* 图片区域也加独立边框背景 */
.bca-home .bca-split-section .bca-split-media {
    padding: 16px !important;
    border-radius: 32px !important;
    background:
        linear-gradient(135deg, rgba(37, 99, 235, .10), rgba(16, 185, 129, .10)) !important;
    border: 1px solid rgba(191, 219, 254, .9) !important;
    box-shadow: inset 0 1px 0 rgba(255,255,255,.8) !important;
}

/* 图片本身 */
.bca-home .bca-split-section .bca-split-media img {
    width: 100% !important;
    display: block !important;
    border-radius: 24px !important;
    border: 1px solid rgba(255,255,255,.9) !important;
    box-shadow: 0 18px 45px rgba(15, 23, 42, .16) !important;
}

/* 去掉旧的图片阴影伪元素，避免阴影乱叠 */
.bca-home .bca-split-section .bca-split-media::after {
    display: none !important;
}

/* 让 split 区块背景更明显 */
.bca-home .bca-split-section {
    background:
        radial-gradient(circle at 12% 12%, rgba(37,99,235,.08), transparent 30%),
        radial-gradient(circle at 88% 16%, rgba(16,185,129,.08), transparent 30%),
        #f8fafc !important;
}

/* 移动端适配 */
@media (max-width: 860px) {
    .bca-home .bca-split-section .bca-split-grid {
        padding: 22px !important;
        border-radius: 28px !important;
        gap: 22px !important;
    }

    .bca-home .bca-split-section .bca-split-content {
        padding: 22px !important;
        border-radius: 22px !important;
    }

    .bca-home .bca-split-section .bca-split-media {
        padding: 12px !important;
        border-radius: 24px !important;
    }

    .bca-home .bca-split-section .bca-split-media img {
        border-radius: 18px !important;
    }
}

@media (max-width: 520px) {
    .bca-home .bca-split-section .bca-split-grid {
        padding: 16px !important;
        border-radius: 24px !important;
    }

    .bca-home .bca-split-section .bca-split-content {
        padding: 20px !important;
    }

    .bca-home .bca-split-section .bca-split-content p {
        font-size: 16px !important;
        line-height: 1.82 !important;
    }
}/* =========================================================
   All Split Grid Framework Final Fix
   修复 Security 区块和所有左右图文区块没有边框样式
   Add to VERY BOTTOM of assets/css/main.css
========================================================= */

/* 所有首页左右图文内容统一加大框架 */
.bca-home .bca-section > .bca-container.bca-split-grid,
.bca-home .bca-section .bca-container.bca-split-grid {
    padding: 34px !important;
    border-radius: 34px !important;
    background:
        linear-gradient(180deg, rgba(255,255,255,.98), rgba(248,250,252,.96)) !important;
    border: 1px solid rgba(203, 213, 225, .95) !important;
    box-shadow: 0 24px 60px rgba(15, 23, 42, .12) !important;
}

/* 左右图文里的文字区域 */
.bca-home .bca-container.bca-split-grid .bca-split-content {
    padding: 32px !important;
    border-radius: 28px !important;
    background:
        linear-gradient(180deg, #ffffff 0%, #f8fafc 100%) !important;
    border: 1px solid rgba(226, 232, 240, .95) !important;
    box-shadow: 0 14px 34px rgba(15, 23, 42, .07) !important;
}

/* 左右图文标题 */
.bca-home .bca-container.bca-split-grid .bca-split-content h2 {
    margin: 0 0 20px !important;
    color: #0f172a !important;
    font-size: clamp(30px, 4vw, 50px) !important;
    line-height: 1.1 !important;
    font-weight: 900 !important;
    letter-spacing: -0.04em !important;
}

/* 左右图文段落 */
.bca-home .bca-container.bca-split-grid .bca-split-content p {
    margin: 0 0 20px !important;
    color: #334155 !important;
    font-size: 17px !important;
    line-height: 1.9 !important;
}

.bca-home .bca-container.bca-split-grid .bca-split-content p:last-child {
    margin-bottom: 0 !important;
}

/* 左右图文链接 */
.bca-home .bca-container.bca-split-grid .bca-split-content a {
    color: #2563eb !important;
    font-weight: 900 !important;
    text-decoration: underline !important;
    text-decoration-thickness: 2px !important;
    text-underline-offset: 4px !important;
}

/* 图片区域卡片 */
.bca-home .bca-container.bca-split-grid .bca-split-media {
    padding: 16px !important;
    border-radius: 32px !important;
    background:
        linear-gradient(135deg, rgba(37, 99, 235, .10), rgba(16, 185, 129, .12)) !important;
    border: 1px solid rgba(191, 219, 254, .95) !important;
    box-shadow: inset 0 1px 0 rgba(255,255,255,.85) !important;
}

/* 图片本身 */
.bca-home .bca-container.bca-split-grid .bca-split-media img {
    width: 100% !important;
    display: block !important;
    aspect-ratio: 5 / 4 !important;
    object-fit: cover !important;
    border-radius: 24px !important;
    border: 1px solid rgba(255,255,255,.95) !important;
    box-shadow: 0 20px 46px rgba(15, 23, 42, .16) !important;
}

/* 去掉旧阴影，避免错位 */
.bca-home .bca-container.bca-split-grid .bca-split-media::after {
    display: none !important;
}

/* Security 区块单独增强背景 */
.bca-home .bca-security-section {
    background:
        radial-gradient(circle at 12% 10%, rgba(37,99,235,.10), transparent 30%),
        radial-gradient(circle at 88% 12%, rgba(16,185,129,.10), transparent 32%),
        linear-gradient(180deg, #f8fafc 0%, #eef6ff 100%) !important;
}

/* Security 区块图片框稍微更明显 */
.bca-home .bca-security-section .bca-split-media {
    background:
        linear-gradient(135deg, rgba(16,185,129,.14), rgba(37,99,235,.10)) !important;
    border-color: rgba(110, 231, 183, .9) !important;
}

/* 移动端 */
@media (max-width: 860px) {
    .bca-home .bca-section > .bca-container.bca-split-grid,
    .bca-home .bca-section .bca-container.bca-split-grid {
        padding: 22px !important;
        border-radius: 28px !important;
        gap: 22px !important;
    }

    .bca-home .bca-container.bca-split-grid .bca-split-content {
        padding: 22px !important;
        border-radius: 22px !important;
    }

    .bca-home .bca-container.bca-split-grid .bca-split-media {
        padding: 12px !important;
        border-radius: 24px !important;
    }

    .bca-home .bca-container.bca-split-grid .bca-split-media img {
        aspect-ratio: 16 / 11 !important;
        border-radius: 18px !important;
    }
}

@media (max-width: 520px) {
    .bca-home .bca-section > .bca-container.bca-split-grid,
    .bca-home .bca-section .bca-container.bca-split-grid {
        padding: 16px !important;
        border-radius: 24px !important;
    }

    .bca-home .bca-container.bca-split-grid .bca-split-content {
        padding: 20px !important;
    }

    .bca-home .bca-container.bca-split-grid .bca-split-content p {
        font-size: 16px !important;
        line-height: 1.82 !important;
    }
}