/* ouyigai9 — Plum #6B21A8 + Peach #FB923C · diagonal hero matrix */
:root {
    --p-plum: #6b21a8;
    --p-plum-dark: #581c87;
    --p-plum-light: #9333ea;
    --p-peach: #fb923c;
    --p-peach-dark: #ea580c;
    --p-bg: #faf5ff;
    --p-bg-alt: #f3e8ff;
    --p-surface: #ffffff;
    --p-text: #1e1b4b;
    --p-muted: #6b7280;
    --p-border: rgba(107, 33, 168, 0.18);
    --p-container: 1200px;
    --p-nav-h: 72px;
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    font-family: system-ui, -apple-system, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
    line-height: 1.6;
    color: var(--p-text);
    background: var(--p-bg);
    overflow-x: hidden;
    padding-top: 0;
}

a { color: var(--p-plum); text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--p-peach-dark); }

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

.zbc7afcontainer {
    max-width: var(--p-container);
    margin: 0 auto;
    padding: 0 clamp(16px, 3vw, 24px);
    width: 100%;
}

/* Header */
.zbc7afsite-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.94);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--p-border);
    box-shadow: 0 2px 16px rgba(107, 33, 168, 0.06);
}

.zbc7afheader-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    min-height: var(--p-nav-h);
    max-width: var(--p-container);
    margin: 0 auto;
    padding: 10px clamp(16px, 3vw, 24px);
}

.zbc7aflogo {
    display: flex;
    align-items: center;
    gap: 12px;
    min-width: 0;
}

.zbc7aflogo i { font-size: 1.5rem; color: var(--p-plum); flex-shrink: 0; }

.zbc7aflogo-text h1 {
    font-size: clamp(16px, 2.2vw, 20px);
    font-weight: 700;
    color: var(--p-plum);
    line-height: 1.2;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.zbc7aflogo-text p { font-size: 11px; color: var(--p-muted); }

.zbc7afmain-nav ul.zbc7afnav {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    align-items: center;
    gap: 6px 14px;
    list-style: none;
}

.zbc7afnav-item { position: relative; }

.zbc7afnav-item a {
    font-size: clamp(13px, 1.1vw, 15px);
    font-weight: 500;
    color: var(--p-text);
    padding: 6px 4px;
    white-space: nowrap;
}

.zbc7afnav-item a:hover,
.zbc7afnav-item.zbc7afthis > a { color: var(--p-plum); }

.zbc7afnav-child {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 180px;
    background: var(--p-surface);
    border: 1px solid var(--p-border);
    border-radius: 10px;
    padding: 6px 0;
    box-shadow: 0 12px 32px rgba(107, 33, 168, 0.12);
    z-index: 1200;
}

.zbc7afnav-item:hover .zbc7afnav-child,
.zbc7afnav-item:focus-within .zbc7afnav-child { display: block; }

.zbc7afnav-child dd { margin: 0; }
.zbc7afnav-child dd a { display: block; padding: 8px 14px; font-size: 14px; }

.zbc7afmobile-nav-toggle {
    display: none;
    background: none;
    border: none;
    padding: 10px;
    cursor: pointer;
    z-index: 10120;
}

.zbc7afmobile-nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--p-plum);
    margin: 5px 0;
    transition: transform 0.25s;
}

.zbc7afnav-backdrop {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(30, 27, 75, 0.45);
    z-index: 10090;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.28s;
}

.zbc7afnav-backdrop.is-open { display: block; opacity: 1; pointer-events: auto; }

@media (max-width: 768px) {
    .zbc7afmobile-nav-toggle { display: block; }

    .zbc7afmain-nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: min(88vw, 320px);
        height: 100dvh;
        background: var(--p-surface);
        padding: 72px 20px 24px;
        transition: right 0.3s ease;
        z-index: 10100;
        overflow-x: hidden;
        overflow-y: auto;
        box-shadow: -6px 0 24px rgba(107, 33, 168, 0.15);
    }

    .zbc7afmain-nav.active { right: 0; }

    .zbc7afmain-nav ul.zbc7afnav {
        flex-direction: column;
        align-items: stretch;
        gap: 4px;
    }

    .zbc7afnav-item a {
        display: block;
        padding: 14px 8px;
        font-size: 16px;
        border-bottom: 1px solid var(--p-border);
    }

    .zbc7afnav-child {
        position: static;
        display: block;
        box-shadow: none;
        border: none;
        padding-left: 12px;
    }

    .zbc7afmobile-nav-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
    .zbc7afmobile-nav-toggle.active span:nth-child(2) { opacity: 0; }
    .zbc7afmobile-nav-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(7px, -6px); }

    body.nav-open { overflow: hidden; touch-action: none; }
}

/* ===== Homepage (index) — matches index_article.htm class names ===== */

/* Hero diagonal */
.zbc7afhero.zbc7afhero--diagonal {
    position: relative;
    padding: clamp(3rem, 7vw, 5rem) 0 clamp(2.5rem, 5vw, 4rem);
    overflow: hidden;
    background: linear-gradient(135deg, var(--p-plum-dark) 0%, var(--p-plum) 45%, #7c3aed 100%);
    color: #fff;
}

.zbc7afhero-bg {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(251, 146, 60, 0.08) 1px, transparent 1px),
        linear-gradient(90deg, rgba(251, 146, 60, 0.08) 1px, transparent 1px);
    background-size: 48px 48px;
    transform: skewY(-6deg) scale(1.2);
    transform-origin: top left;
    pointer-events: none;
}

.zbc7afhero-bg::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(118deg, transparent 42%, rgba(251, 146, 60, 0.22) 42%, rgba(251, 146, 60, 0.22) 44%, transparent 44%);
}

.zbc7afhero-content {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    gap: clamp(1.5rem, 4vw, 2.5rem);
    align-items: center;
}

.zbc7afhero-text h2 {
    font-size: clamp(1.75rem, 4.5vw, 2.75rem);
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 0.75rem;
}

.zbc7afhero-subtitle {
    font-size: clamp(0.95rem, 1.8vw, 1.15rem);
    opacity: 0.92;
    margin-bottom: 0.75rem;
    max-width: 34rem;
}

.zbc7afhero-lead,
.zbc7afhero-excerpt {
    font-size: 0.9rem;
    line-height: 1.7;
    opacity: 0.88;
    max-width: 34rem;
    margin-bottom: 0.65rem;
}

.zbc7afhero-lead strong,
.zbc7afhero-excerpt strong { color: #fde68a; font-weight: 600; }

.zbc7afdownload-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 0.65rem;
    margin-top: 1.25rem;
}

.zbc7afhero .zbc7afdownload-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 0.7rem 1.35rem;
    border-radius: 999px;
    font-weight: 600;
    font-size: 0.9rem;
    transition: transform 0.15s, box-shadow 0.15s;
    color: inherit;
    text-decoration: none;
}

.zbc7afhero .zbc7afdownload-btn.zbc7afandroid {
    background: var(--p-peach);
    color: var(--p-plum-dark);
    box-shadow: 0 6px 20px rgba(251, 146, 60, 0.35);
}

.zbc7afhero .zbc7afdownload-btn.zbc7afandroid:hover { transform: translateY(-2px); color: var(--p-plum-dark); }

.zbc7afhero .zbc7afdownload-btn.zbc7afios {
    border: 2px solid rgba(255, 255, 255, 0.5);
    color: #fff;
    background: rgba(255, 255, 255, 0.08);
}

.zbc7afhero-image {
    border-radius: 20px;
    overflow: hidden;
    border: 3px solid rgba(251, 146, 60, 0.45);
    box-shadow: 0 24px 60px rgba(0, 0, 0, 0.25);
    transform: rotate(2deg);
}

.zbc7affeatured-image { width: 100%; height: auto; }

/* Features matrix */
.zbc7affeatures.zbc7affeatures--matrix {
    padding: clamp(2.5rem, 5vw, 4rem) 0;
    background: var(--p-surface);
}

.zbc7afmx-head { margin-bottom: 2rem; max-width: 40rem; }

.zbc7afmx-kicker {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--p-peach-dark);
    margin-bottom: 0.5rem;
}

.zbc7afmx-title {
    font-size: clamp(1.45rem, 3vw, 2rem);
    font-weight: 800;
    margin-bottom: 0.5rem;
    line-height: 1.2;
}

.zbc7afmx-lead {
    color: var(--p-muted);
    font-size: 0.95rem;
    line-height: 1.65;
    margin-bottom: 0.65rem;
}

.zbc7afmx-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1px;
    background: var(--p-border);
    border: 2px solid var(--p-plum);
    border-radius: 16px;
    overflow: hidden;
}

.zbc7afmx-cell {
    padding: clamp(1.25rem, 3vw, 2rem);
    background: var(--p-surface);
    text-align: center;
    min-width: 0;
}

.zbc7afmx-ico {
    display: inline-flex;
    width: 52px;
    height: 52px;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    background: var(--p-bg-alt);
    color: var(--p-plum);
    font-size: 1.3rem;
    margin-bottom: 0.75rem;
}

.zbc7afmx-cell h3 { font-size: 1.08rem; margin-bottom: 0.45rem; color: var(--p-text); }
.zbc7afmx-cell p { font-size: 0.88rem; color: var(--p-muted); line-height: 1.55; margin-bottom: 0.5rem; }

/* Download section */
.zbc7afdownload-section.zbc7afdownload-section--bands {
    padding: clamp(2.5rem, 5vw, 4rem) 0;
    background: var(--p-bg);
}

.zbc7afdownload-container {
    max-width: var(--p-container);
    margin: 0 auto;
    padding: 0 clamp(16px, 3vw, 24px);
    width: 100%;
}

.zbc7afdownload-header { margin-bottom: 2rem; max-width: 48rem; }

.zbc7afdownload-title {
    font-size: clamp(1.45rem, 3vw, 2rem);
    font-weight: 800;
    margin-bottom: 0.5rem;
    color: var(--p-plum);
    line-height: 1.2;
}

.zbc7afdownload-subtitle,
.zbc7afdownload-intro {
    color: var(--p-muted);
    font-size: 0.95rem;
    line-height: 1.65;
    margin-bottom: 0.65rem;
}

.zbc7afdownload-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.25rem;
    margin-bottom: 2rem;
}

.zbc7afdownload-card {
    padding: 1.5rem;
    background: var(--p-surface);
    border: 1px solid var(--p-border);
    border-radius: 16px;
    text-align: center;
    border-top: 4px solid var(--p-peach);
    min-width: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.zbc7afdownload-card.zbc7afandroid { border-top-color: #22c55e; }
.zbc7afdownload-card.zbc7afios { border-top-color: var(--p-plum); }

.zbc7afdownload-icon {
    width: 64px;
    height: 64px;
    margin-bottom: 1rem;
    border-radius: 50%;
    background: var(--p-plum);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
}

.zbc7afdownload-card-title { font-size: 1.05rem; margin-bottom: 0.5rem; color: var(--p-text); }

.zbc7afdownload-card-desc {
    font-size: 0.88rem;
    color: var(--p-muted);
    line-height: 1.55;
    margin-bottom: 1rem;
    text-align: left;
}

.zbc7afdownload-features {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    justify-content: center;
    margin-bottom: 1rem;
    width: 100%;
}

.zbc7afdownload-feature {
    font-size: 0.72rem;
    padding: 0.25rem 0.55rem;
    background: var(--p-bg-alt);
    border-radius: 999px;
    color: var(--p-plum);
    font-weight: 600;
}

.zbc7afdownload-card .zbc7afdownload-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 0.65rem 1.25rem;
    border-radius: 999px;
    font-weight: 600;
    font-size: 0.88rem;
    background: var(--p-peach);
    color: var(--p-plum-dark);
    box-shadow: 0 4px 14px rgba(251, 146, 60, 0.3);
    transition: transform 0.15s;
    margin-top: auto;
    width: 100%;
    max-width: 220px;
}

.zbc7afdownload-card .zbc7afdownload-btn:hover {
    transform: translateY(-2px);
    color: var(--p-plum-dark);
}

.zbc7afdownload-steps { margin-top: 1rem; }

.zbc7afsteps-title {
    text-align: center;
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
    color: var(--p-plum);
}

.zbc7afsteps-lead {
    text-align: center;
    font-size: 0.9rem;
    color: var(--p-muted);
    max-width: 40rem;
    margin: 0 auto 1.25rem;
    line-height: 1.65;
}

.zbc7afsteps-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1rem;
}

.zbc7afstep-item {
    display: flex;
    gap: 0.75rem;
    padding: 1rem;
    background: var(--p-surface);
    border-radius: 12px;
    border: 1px solid var(--p-border);
    min-width: 0;
}

.zbc7afstep-icon {
    flex-shrink: 0;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--p-plum);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
}

.zbc7afstep-title { font-size: 0.95rem; margin-bottom: 0.25rem; color: var(--p-text); }
.zbc7afstep-desc { font-size: 0.82rem; color: var(--p-muted); line-height: 1.5; }

/* Guide triad */
.zbc7afguide.zbc7afguide--triad {
    padding: clamp(2.5rem, 5vw, 4rem) 0;
    background: var(--p-surface);
}

.zbc7aftr-head { margin-bottom: 2rem; max-width: 42rem; }

.zbc7aftr-kicker {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--p-peach-dark);
    margin-bottom: 0.5rem;
}

.zbc7aftr-title {
    font-size: clamp(1.45rem, 3vw, 2rem);
    font-weight: 800;
    margin-bottom: 0.5rem;
    line-height: 1.2;
}

.zbc7aftr-desc {
    color: var(--p-muted);
    font-size: 0.95rem;
    line-height: 1.65;
    margin-bottom: 0.65rem;
}

.zbc7aftr-row {
    display: grid;
    grid-template-columns: 1fr auto 1fr auto 1fr;
    gap: 0;
    border: 1px solid var(--p-border);
    border-radius: 16px;
    overflow: hidden;
    align-items: stretch;
}

.zbc7aftr-step {
    padding: 1.5rem;
    text-align: center;
    background: var(--p-surface);
    min-width: 0;
}

.zbc7aftr-vrule {
    width: 1px;
    background: var(--p-border);
    align-self: stretch;
}

.zbc7aftr-badge {
    display: inline-flex;
    width: 40px;
    height: 40px;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: var(--p-plum);
    color: #fff;
    font-weight: 800;
    font-size: 0.85rem;
    margin-bottom: 0.65rem;
}

.zbc7aftr-step h3 { font-size: 1.05rem; margin-bottom: 0.4rem; }
.zbc7aftr-step p { font-size: 0.86rem; color: var(--p-muted); line-height: 1.55; margin-bottom: 0.5rem; }

.zbc7aftr-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem;
    justify-content: center;
    margin-top: 0.75rem;
}

.zbc7aftr-tags span {
    font-size: 0.72rem;
    padding: 0.2rem 0.5rem;
    background: var(--p-bg-alt);
    border-radius: 6px;
    color: var(--p-plum);
}

/* Security quadrant */
.zbc7afsecurity.zbc7afsecurity--quadrant {
    padding: clamp(2.5rem, 5vw, 4rem) 0;
    background: linear-gradient(160deg, var(--p-plum-dark), var(--p-plum));
    color: #fff;
}

.zbc7afsq-head { margin-bottom: 2rem; max-width: 42rem; }

.zbc7afsq-kicker {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--p-peach);
    margin-bottom: 0.5rem;
}

.zbc7afsq-title {
    font-size: clamp(1.45rem, 3vw, 2rem);
    font-weight: 800;
    margin-bottom: 0.5rem;
    line-height: 1.2;
}

.zbc7afsq-lead {
    font-size: 0.95rem;
    line-height: 1.65;
    opacity: 0.88;
    margin-bottom: 0.65rem;
}

.zbc7afsq-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1px;
    background: rgba(255, 255, 255, 0.15);
    border-radius: 16px;
    overflow: hidden;
}

.zbc7afsq-cell {
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.06);
    text-align: center;
    min-width: 0;
}

.zbc7afsq-ico {
    display: inline-flex;
    width: 48px;
    height: 48px;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(251, 146, 60, 0.2);
    color: var(--p-peach);
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}

.zbc7afsq-cell h3 { font-size: 1.05rem; margin-bottom: 0.4rem; }
.zbc7afsq-cell p { font-size: 0.86rem; opacity: 0.85; line-height: 1.55; margin-bottom: 0.5rem; }

.zbc7afsq-mini {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem;
    justify-content: center;
    margin-top: 0.5rem;
}

.zbc7afsq-mini li {
    font-size: 0.72rem;
    padding: 0.2rem 0.5rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 6px;
}

/* About split */
.zbc7afabout.zbc7afabout--split {
    padding: clamp(2.5rem, 5vw, 4rem) 0;
    background: var(--p-bg);
}

.zbc7afabout-split {
    display: grid;
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    gap: 2rem;
    align-items: start;
}

.zbc7afabout-kicker {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--p-peach-dark);
    margin-bottom: 0.5rem;
}

.zbc7afabout-title {
    font-size: clamp(1.45rem, 3vw, 2rem);
    font-weight: 800;
    margin-bottom: 0.75rem;
    line-height: 1.2;
}

.zbc7afabout-narrative p {
    color: var(--p-muted);
    line-height: 1.7;
    margin-bottom: 0.75rem;
    font-size: 0.95rem;
}

.zbc7afabout-note { font-size: 0.88rem; }

.zbc7afabout-aside { display: flex; flex-direction: column; gap: 10px; }

.zbc7afabout-chip {
    padding: 14px 16px;
    background: var(--p-surface);
    border: 1px solid var(--p-border);
    border-left: 4px solid var(--p-peach);
    border-radius: 10px;
}

.zbc7afabout-chip strong { display: block; color: var(--p-plum); margin-bottom: 4px; }
.zbc7afabout-chip span { font-size: 0.85rem; color: var(--p-muted); line-height: 1.55; }

/* Articles magazine */
.zbc7afhome-articles.zbc7afhome-articles--magazine {
    padding: clamp(2.5rem, 5vw, 4rem) 0;
    background: var(--p-surface);
}

.zbc7afmag-head {
    display: flex;
    align-items: flex-end;
    gap: 1.5rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.zbc7afmag-kicker {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--p-peach-dark);
    margin-bottom: 0.5rem;
}

.zbc7afmag-title {
    font-size: clamp(1.45rem, 3vw, 2rem);
    font-weight: 800;
    margin-bottom: 0.5rem;
    line-height: 1.2;
}

.zbc7afmag-desc {
    color: var(--p-muted);
    font-size: 0.95rem;
    line-height: 1.65;
    margin-bottom: 0.5rem;
    max-width: 42rem;
}

.zbc7afmag-rule {
    flex: 1;
    min-width: 80px;
    height: 3px;
    background: linear-gradient(90deg, var(--p-peach), transparent);
    margin-bottom: 0.5rem;
}

.zbc7afhome-articles-grid {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 1rem;
}

.zbc7afhome-article-card {
    background: var(--p-surface);
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--p-border);
    transition: transform 0.2s, box-shadow 0.2s;
    min-width: 0;
}

.zbc7afhome-article-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 28px rgba(107, 33, 168, 0.12);
}

.zbc7afhome-article-thumb {
    display: block;
    aspect-ratio: 16 / 10;
    overflow: hidden;
    background: var(--p-bg-alt);
}

.zbc7afhome-article-thumb img { width: 100%; height: 100%; object-fit: cover; }

.zbc7afhome-article-text { padding: 10px 12px 14px; }

.zbc7afhome-article-title {
    font-size: 0.85rem;
    font-weight: 600;
    line-height: 1.35;
    color: var(--p-text);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.zbc7afhome-article-meta {
    font-size: 0.72rem;
    color: var(--p-muted);
    margin-top: 4px;
    display: block;
}

.zbc7affooter-content { /* wrapper */ }

/* Hero diagonal matrix (legacy plum-* — inner pages may still reference) */
.zbc7afplum-hero {
    position: relative;
    padding: clamp(3rem, 7vw, 5rem) 0 clamp(2.5rem, 5vw, 4rem);
    margin-top: 0;
    overflow: hidden;
    background: linear-gradient(135deg, var(--p-plum-dark) 0%, var(--p-plum) 45%, #7c3aed 100%);
    color: #fff;
}

.zbc7afplum-hero-matrix {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(251, 146, 60, 0.08) 1px, transparent 1px),
        linear-gradient(90deg, rgba(251, 146, 60, 0.08) 1px, transparent 1px);
    background-size: 48px 48px;
    transform: skewY(-6deg) scale(1.2);
    transform-origin: top left;
    pointer-events: none;
}

.zbc7afplum-hero-diagonal {
    position: absolute;
    inset: 0;
    background: linear-gradient(118deg, transparent 42%, rgba(251, 146, 60, 0.22) 42%, rgba(251, 146, 60, 0.22) 44%, transparent 44%);
    pointer-events: none;
}

.zbc7afplum-hero-inner {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    gap: clamp(1.5rem, 4vw, 2.5rem);
    align-items: center;
}

.zbc7afplum-badge {
    display: inline-block;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.14em;
    color: var(--p-peach);
    margin-bottom: 0.75rem;
}

.zbc7afplum-title {
    font-size: clamp(1.75rem, 4.5vw, 2.75rem);
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 0.75rem;
}

.zbc7afplum-sub {
    font-size: clamp(0.95rem, 1.8vw, 1.15rem);
    opacity: 0.92;
    margin-bottom: 0.75rem;
    max-width: 34rem;
}

.zbc7afplum-lead,
.zbc7afplum-excerpt {
    font-size: 0.9rem;
    line-height: 1.7;
    opacity: 0.88;
    max-width: 34rem;
    margin-bottom: 0.65rem;
}

.zbc7afplum-lead strong,
.zbc7afplum-excerpt strong { color: #fde68a; font-weight: 600; }

.zbc7afplum-cta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.65rem;
    margin-top: 1.25rem;
}

.zbc7afplum-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 0.7rem 1.35rem;
    border-radius: 999px;
    font-weight: 600;
    font-size: 0.9rem;
    transition: transform 0.15s, box-shadow 0.15s;
}

.zbc7afplum-btn--peach {
    background: var(--p-peach);
    color: var(--p-plum-dark);
    box-shadow: 0 6px 20px rgba(251, 146, 60, 0.35);
}

.zbc7afplum-btn--peach:hover { transform: translateY(-2px); color: var(--p-plum-dark); }

.zbc7afplum-btn--ghost {
    border: 2px solid rgba(255, 255, 255, 0.5);
    color: #fff;
    background: rgba(255, 255, 255, 0.08);
}

.zbc7afplum-btn--block { width: 100%; }

.zbc7afplum-frame {
    border-radius: 20px;
    overflow: hidden;
    border: 3px solid rgba(251, 146, 60, 0.45);
    box-shadow: 0 24px 60px rgba(0, 0, 0, 0.25);
    transform: rotate(2deg);
}

.zbc7afplum-img { width: 100%; height: auto; }

/* Sections */
.zbc7afplum-section {
    padding: clamp(2.5rem, 5vw, 4rem) 0;
}

.zbc7afplum-section--alt { background: var(--p-surface); }
.zbc7afplum-section--dark {
    background: linear-gradient(160deg, var(--p-plum-dark), var(--p-plum));
    color: #fff;
}

.zbc7afplum-kicker {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--p-peach-dark);
    margin-bottom: 0.5rem;
}

.zbc7afplum-section--dark .zbc7afplum-kicker { color: var(--p-peach); }

.zbc7afplum-sechead { margin-bottom: 2rem; max-width: 40rem; }
.zbc7afplum-sechead--center { text-align: center; margin-left: auto; margin-right: auto; }
.zbc7afplum-sechead--row {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: flex-end;
    gap: 1rem;
    max-width: none;
}

.zbc7afplum-sechead h2 {
    font-size: clamp(1.45rem, 3vw, 2rem);
    font-weight: 800;
    margin-bottom: 0.5rem;
    line-height: 1.2;
}

.zbc7afplum-sechead p { color: var(--p-muted); font-size: 0.95rem; line-height: 1.65; }
.zbc7afplum-section--dark .zbc7afplum-sechead p { color: rgba(255, 255, 255, 0.78); }

.zbc7afplum-matrix {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1px;
    background: var(--p-border);
    border: 2px solid var(--p-plum);
    border-radius: 16px;
    overflow: hidden;
}

.zbc7afplum-cell {
    padding: clamp(1.25rem, 3vw, 2rem);
    background: var(--p-surface);
    text-align: center;
}

.zbc7afplum-cell--accent {
    background: linear-gradient(135deg, var(--p-bg-alt), var(--p-surface));
}

.zbc7afplum-ico {
    display: inline-flex;
    width: 52px;
    height: 52px;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    background: var(--p-bg-alt);
    color: var(--p-plum);
    font-size: 1.3rem;
    margin-bottom: 0.75rem;
}

.zbc7afplum-cell h3 { font-size: 1.08rem; margin-bottom: 0.45rem; color: var(--p-text); }
.zbc7afplum-cell p { font-size: 0.88rem; color: var(--p-muted); line-height: 1.55; }

.zbc7afplum-dlgrid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.25rem;
    margin-bottom: 2rem;
}

.zbc7afplum-dlcard {
    padding: 1.5rem;
    background: var(--p-bg);
    border: 1px solid var(--p-border);
    border-radius: 16px;
    text-align: center;
    border-top: 4px solid var(--p-peach);
}

.zbc7afplum-dlicon {
    width: 64px;
    height: 64px;
    margin: 0 auto 1rem;
    border-radius: 50%;
    background: var(--p-plum);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
}

.zbc7afplum-dlcard h3 { margin-bottom: 0.5rem; }
.zbc7afplum-dlcard p { font-size: 0.9rem; color: var(--p-muted); margin-bottom: 1rem; }

.zbc7afplum-steps h3 { text-align: center; font-size: 1.25rem; margin-bottom: 1.25rem; color: var(--p-plum); }

.zbc7afplum-steps-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1rem;
}

.zbc7afplum-step {
    display: flex;
    gap: 0.75rem;
    padding: 1rem;
    background: var(--p-bg);
    border-radius: 12px;
    border: 1px solid var(--p-border);
}

.zbc7afplum-step > span {
    font-weight: 800;
    color: var(--p-peach-dark);
    font-size: 1.1rem;
    flex-shrink: 0;
}

.zbc7afplum-step h4 { font-size: 0.95rem; margin-bottom: 0.25rem; }
.zbc7afplum-step p { font-size: 0.82rem; color: var(--p-muted); }

.zbc7afplum-triad {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0;
    border: 1px solid var(--p-border);
    border-radius: 16px;
    overflow: hidden;
}

.zbc7afplum-triad-step {
    padding: 1.5rem;
    text-align: center;
    background: var(--p-surface);
    border-right: 1px solid var(--p-border);
}

.zbc7afplum-triad-step:last-child { border-right: none; }

.zbc7afplum-num {
    display: inline-flex;
    width: 40px;
    height: 40px;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: var(--p-plum);
    color: #fff;
    font-weight: 800;
    font-size: 0.85rem;
    margin-bottom: 0.65rem;
}

.zbc7afplum-triad-step h3 { font-size: 1.05rem; margin-bottom: 0.4rem; }
.zbc7afplum-triad-step p { font-size: 0.86rem; color: var(--p-muted); }

.zbc7afplum-sqgrid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1px;
    background: rgba(255, 255, 255, 0.15);
    border-radius: 16px;
    overflow: hidden;
}

.zbc7afplum-sq {
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.06);
    text-align: center;
}

.zbc7afplum-sq i { font-size: 1.5rem; color: var(--p-peach); margin-bottom: 0.5rem; }
.zbc7afplum-sq h3 { font-size: 1.05rem; margin-bottom: 0.4rem; }
.zbc7afplum-sq p { font-size: 0.86rem; opacity: 0.85; }

.zbc7afplum-about {
    display: grid;
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    gap: 2rem;
    align-items: start;
}

.zbc7afplum-about-text p { color: var(--p-muted); line-height: 1.7; margin-bottom: 0.75rem; }
.zbc7afplum-note { font-size: 0.88rem; }

.zbc7afplum-chips { display: flex; flex-direction: column; gap: 10px; }

.zbc7afplum-chip {
    padding: 14px 16px;
    background: var(--p-surface);
    border: 1px solid var(--p-border);
    border-left: 4px solid var(--p-peach);
    border-radius: 10px;
}

.zbc7afplum-chip strong { display: block; color: var(--p-plum); margin-bottom: 4px; }
.zbc7afplum-chip span { font-size: 0.85rem; color: var(--p-muted); }

.zbc7afplum-newsgrid {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 1rem;
}

.zbc7afplum-newscard {
    background: var(--p-surface);
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--p-border);
    transition: transform 0.2s, box-shadow 0.2s;
}

.zbc7afplum-newscard:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 28px rgba(107, 33, 168, 0.12);
}

.zbc7afplum-newsthumb {
    display: block;
    aspect-ratio: 16 / 10;
    overflow: hidden;
    background: var(--p-bg-alt);
}

.zbc7afplum-newsthumb img { width: 100%; height: 100%; object-fit: cover; }

.zbc7afplum-newstext { padding: 10px 12px 14px; }

.zbc7afplum-newstitle {
    font-size: 0.85rem;
    font-weight: 600;
    line-height: 1.35;
    color: var(--p-text);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.zbc7afplum-newsmeta { font-size: 0.72rem; color: var(--p-muted); margin-top: 4px; display: block; }

/* Footer */
.zbc7afsite-footer {
    background: linear-gradient(160deg, #1e1b4b, var(--p-plum-dark));
    color: rgba(255, 255, 255, 0.85);
    padding: 3rem 0 1.5rem;
}

.zbc7affooter-main {
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 2fr);
    gap: 2rem;
    margin-bottom: 2rem;
}

.zbc7affooter-brand .zbc7aflogo i { color: var(--p-peach); }
.zbc7affooter-brand h2 { color: #fff; font-size: 1.35rem; margin-bottom: 0.35rem; }

.zbc7affooter-kw {
    margin-top: 10px;
    font-size: 0.84rem;
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.65);
    max-width: 480px;
}

.zbc7affooter-links {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.5rem;
}

.zbc7aflink-group h3 {
    color: #fff;
    font-size: 1rem;
    margin-bottom: 0.75rem;
    padding-bottom: 0.35rem;
    border-bottom: 2px solid var(--p-peach);
}

.zbc7aflink-group ul { list-style: none; }
.zbc7aflink-group li { margin-bottom: 8px; }
.zbc7aflink-group a { color: rgba(255, 255, 255, 0.7); font-size: 0.9rem; }
.zbc7aflink-group a:hover { color: var(--p-peach); }

.zbc7affooter-friends {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.5rem;
    padding: 1.5rem 0;
    border-top: 1px solid rgba(255, 255, 255, 0.12);
    border-bottom: 1px solid rgba(255, 255, 255, 0.12);
    margin-bottom: 1.5rem;
}

.zbc7affriends-section h3 { color: #fff; font-size: 1rem; margin-bottom: 0.75rem; }
.zbc7affriends-section ul { display: flex; flex-wrap: wrap; gap: 8px 14px; list-style: none; }
.zbc7affriends-section a {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.88rem;
    padding: 4px 10px;
    background: rgba(255, 255, 255, 0.08);
    border-radius: 6px;
}

.zbc7affooter-legal p { font-size: 0.85rem; color: rgba(255, 255, 255, 0.6); margin-bottom: 4px; }
.zbc7affooter-legal a { color: var(--p-peach); }

/* Inner pages */
.zbc7afinner { padding-top: 0; }

.zbc7afinner-hero {
    padding: calc(var(--p-nav-h) + 1rem) 0 1.5rem;
    background: linear-gradient(135deg, var(--p-bg-alt), var(--p-surface));
    border-bottom: 1px solid var(--p-border);
}

.zbc7afbreadcrumb { font-size: 14px; color: var(--p-muted); margin-bottom: 10px; }
.zbc7afbreadcrumb a { color: var(--p-plum); }
.zbc7afbreadcrumb-sep { margin: 0 6px; opacity: 0.5; }

.zbc7afinner-title {
    font-size: clamp(1.35rem, 3vw, 1.75rem);
    font-weight: 800;
    color: var(--p-plum);
    line-height: 1.3;
    margin-bottom: 8px;
}

.zbc7afinner-desc,
.zbc7afinner-meta { font-size: 14px; color: var(--p-muted); display: flex; flex-wrap: wrap; gap: 14px; }

.zbc7afinner-kw-strip {
    margin-top: 14px;
    padding: 12px 14px;
    font-size: 13px;
    line-height: 1.65;
    color: var(--p-muted);
    background: rgba(107, 33, 168, 0.06);
    border-radius: 10px;
    border-left: 4px solid var(--p-peach);
}

.zbc7aflayout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 280px);
    gap: 28px;
    padding: 28px clamp(16px, 3vw, 24px) 48px;
    max-width: var(--p-container);
    margin: 0 auto;
    align-items: start;
}

.zbc7afmain-column { min-width: 0; }

.zbc7aflist-toolbar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 12px;
    margin-bottom: 18px;
    padding: 12px 16px;
    background: var(--p-surface);
    border: 1px solid var(--p-border);
    border-radius: 12px;
}

.zbc7aflist-toolbar-label { font-size: 13px; color: var(--p-muted); }
.zbc7aflist-toolbar-links { display: flex; flex-wrap: wrap; gap: 10px 14px; }
.zbc7aflist-toolbar-links a { font-size: 14px; font-weight: 500; }

.zbc7afarticle-list { list-style: none; display: flex; flex-direction: column; gap: 16px; }

.zbc7afarticle-list-item {
    display: grid;
    grid-template-columns: minmax(0, 200px) minmax(0, 1fr);
    gap: 16px;
    padding: 16px;
    background: var(--p-surface);
    border: 1px solid var(--p-border);
    border-radius: 14px;
    align-items: start;
}

.zbc7afarticle-list-thumb img {
    width: 100%;
    height: 120px;
    object-fit: cover;
    border-radius: 10px;
    display: block;
}

.zbc7afarticle-list-title {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--p-text);
    display: block;
    margin-bottom: 6px;
}

.zbc7afarticle-list-intro { font-size: 14px; color: var(--p-muted); margin-bottom: 8px; line-height: 1.55; }

.zbc7afarticle-list-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    font-size: 13px;
    color: var(--p-muted);
}

.zbc7afpagebar { margin-top: 24px; padding-top: 16px; border-top: 1px solid var(--p-border); }

.zbc7afpagelist-bar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    list-style: none;
}

.zbc7afpagelist-bar a,
.zbc7afpagelist-bar span {
    display: inline-block;
    padding: 6px 12px;
    border-radius: 8px;
    border: 1px solid var(--p-border);
    font-size: 14px;
    background: var(--p-surface);
    color: var(--p-text);
}

.zbc7afpagelist-bar a:hover { border-color: var(--p-plum); color: var(--p-plum); }

.zbc7afsidebar { position: sticky; top: calc(var(--p-nav-h) + 12px); min-width: 0; }

.zbc7afsidebar-block {
    background: var(--p-surface);
    border: 1px solid var(--p-border);
    border-radius: 14px;
    padding: 16px;
}

.zbc7afsidebar-title {
    font-size: 15px;
    font-weight: 700;
    color: var(--p-plum);
    margin-bottom: 12px;
    padding-bottom: 8px;
    border-bottom: 2px solid var(--p-peach);
}

.zbc7afsidebar-list { list-style: none; }
.zbc7afsidebar-list li + li { margin-top: 10px; }

.zbc7afsidebar-row {
    display: grid;
    grid-template-columns: 72px 1fr;
    gap: 10px;
    align-items: center;
    color: inherit;
}

.zbc7afsidebar-thumb img {
    width: 72px;
    height: 48px;
    object-fit: cover;
    border-radius: 8px;
}

.zbc7afsidebar-row-title { font-size: 13px; line-height: 1.4; color: var(--p-text); }
.zbc7afsidebar-row:hover .zbc7afsidebar-row-title { color: var(--p-plum); }

.zbc7afarticle-hero-thumb {
    border-radius: 14px;
    overflow: hidden;
    margin-bottom: 18px;
    background: var(--p-bg-alt);
}

.zbc7afarticle-hero-thumb img { width: 100%; max-height: 420px; object-fit: cover; }

.zbc7afarticle-body { font-size: 16px; line-height: 1.75; color: var(--p-text); word-break: break-word; }
.zbc7afarticle-body img { max-width: 100%; border-radius: 10px; }

.zbc7afarticle-figure { margin: 16px 0; }
.zbc7afarticle-figure figcaption { font-size: 13px; color: var(--p-muted); margin-top: 6px; }

.zbc7afdiyfield {
    margin-top: 18px;
    padding: 14px;
    background: var(--p-bg);
    border-radius: 10px;
    font-size: 14px;
}

.zbc7afmeta-tags-wrap {
    margin-top: 20px;
    padding-top: 16px;
    border-top: 1px solid var(--p-border);
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px;
}

.zbc7afmeta-tags-label { font-size: 14px; color: var(--p-muted); }
.zbc7afmeta-tags { display: flex; flex-wrap: wrap; gap: 8px; list-style: none; }

.zbc7aftagitem a {
    display: inline-block;
    padding: 4px 12px;
    background: var(--p-bg-alt);
    border-radius: 999px;
    font-size: 13px;
    color: var(--p-plum);
}

.zbc7afblock { margin-top: 28px; padding-top: 20px; border-top: 1px solid var(--p-border); }
.zbc7afblock-title { font-size: 1.15rem; font-weight: 700; color: var(--p-plum); margin-bottom: 14px; }

.zbc7afcard-list { list-style: none; display: flex; flex-direction: column; gap: 14px; }

.zbc7afcard-list-horiz .zbc7afcard-item {
    display: grid;
    grid-template-columns: minmax(0, 120px) minmax(0, 1fr);
    gap: 14px;
    padding: 12px;
    background: var(--p-surface);
    border: 1px solid var(--p-border);
    border-radius: 12px;
}

.zbc7afcard-thumb img { width: 100%; height: 80px; object-fit: cover; border-radius: 8px; }
.zbc7afcard-title { font-weight: 600; font-size: 15px; color: var(--p-text); display: block; margin-bottom: 4px; }
.zbc7afcard-desc { font-size: 13px; color: var(--p-muted); margin: 0; }

.zbc7afarticle-prenext {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 12px;
    font-size: 14px;
    width: 100%;
}

.zbc7afarticle-prenext-item { flex: 1 1 42%; min-width: 0; }
.zbc7afarticle-prenext-item--next { text-align: right; }

/* Responsive */
@media (max-width: 992px) {
    .zbc7afhero-content,
    .zbc7afplum-hero-inner { grid-template-columns: 1fr; text-align: center; }
    .zbc7afhero-lead, .zbc7afhero-excerpt, .zbc7afhero-subtitle,
    .zbc7afplum-lead, .zbc7afplum-excerpt, .zbc7afplum-sub { margin-left: auto; margin-right: auto; }
    .zbc7afdownload-buttons,
    .zbc7afplum-cta { justify-content: center; }
    .zbc7afhero-image,
    .zbc7afplum-frame { transform: none; max-width: 420px; margin: 0 auto; }
    .zbc7afmx-grid,
    .zbc7afplum-matrix { grid-template-columns: 1fr; }
    .zbc7afdownload-grid,
    .zbc7afplum-dlgrid { grid-template-columns: 1fr; }
    .zbc7afsteps-grid,
    .zbc7afplum-steps-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .zbc7aftr-row { grid-template-columns: 1fr; }
    .zbc7aftr-vrule { display: none; }
    .zbc7aftr-step { border-bottom: 1px solid var(--p-border); }
    .zbc7aftr-step:last-child { border-bottom: none; }
    .zbc7afplum-triad { grid-template-columns: 1fr; }
    .zbc7afplum-triad-step { border-right: none; border-bottom: 1px solid var(--p-border); }
    .zbc7afabout-split,
    .zbc7afplum-about { grid-template-columns: 1fr; }
    .zbc7afhome-articles-grid,
    .zbc7afplum-newsgrid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .zbc7aflayout { grid-template-columns: 1fr; }
    .zbc7afsidebar { position: static; order: 2; }
    .zbc7afmain-column { order: 1; }
    .zbc7affooter-main { grid-template-columns: 1fr; }
    .zbc7affooter-links { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
    .zbc7afsteps-grid,
    .zbc7afsq-grid,
    .zbc7afplum-steps-grid,
    .zbc7afplum-sqgrid { grid-template-columns: 1fr; }
    .zbc7afdownload-grid { grid-template-columns: 1fr; }
    .zbc7afhome-articles-grid,
    .zbc7afplum-newsgrid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .zbc7afarticle-list-item { grid-template-columns: 1fr; }
    .zbc7afarticle-list-thumb img { height: 180px; }
    .zbc7affooter-links,
    .zbc7affooter-friends { grid-template-columns: 1fr; }
    .zbc7afarticle-prenext-item--next { text-align: left; }
}

@media (max-width: 480px) {
    .zbc7afhome-articles-grid,
    .zbc7afplum-newsgrid { grid-template-columns: 1fr; }
    .zbc7afhero .zbc7afdownload-btn,
    .zbc7afplum-btn { width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { animation: none !important; transition: none !important; }
}