/* ouyigai11 — Deep Ocean #061525 + Coral #FF6B6B + Cyan #00E5CC · neon bento */
:root {
    --deep: #061525;
    --deep-mid: #0a2342;
    --ocean: #0077ff;
    --ocean-bright: #38bdf8;
    --ocean-glow: rgba(0, 119, 255, 0.4);
    --ocean-soft: rgba(0, 119, 255, 0.12);
    --coral: #ff6b6b;
    --coral-bright: #ff9966;
    --coral-glow: rgba(255, 107, 107, 0.45);
    --coral-soft: rgba(255, 107, 107, 0.12);
    --cyan: #00e5cc;
    --cyan-glow: rgba(0, 229, 204, 0.35);
    --violet: #a78bfa;
    --android: #3ddc84;
    --gold: #fbbf24;
    --ink: #0f172a;
    --muted: #64748b;
    --bg: #ffffff;
    --bg-muted: #f0f7ff;
    --line: rgba(148, 163, 184, 0.22);
    --header-h: 62px;
    --wrap: 1180px;
    --r: 14px;
    --r-lg: 20px;
    --ease: 0.22s ease;
}

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

body {
    font-family: "Segoe UI", -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
    line-height: 1.65;
    color: var(--ink);
    background: var(--bg);
    overflow-x: hidden;
}

a { text-decoration: none; color: inherit; transition: color var(--ease), border-color var(--ease), transform var(--ease); }
ul { list-style: none; }
button { border: none; background: none; cursor: pointer; font: inherit; color: inherit; }
img { max-width: 100%; height: auto; display: block; }

#home, #download, #features, #register, #about, #security, #faq, #articles {
    scroll-margin-top: calc(var(--header-h) + 14px);
}

/* Header — dark glass */
.z49bcemain-header {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 1000;
    height: var(--header-h);
    background: rgba(6, 21, 37, 0.94);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(0, 229, 204, 0.15);
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.25);
}

.z49bceheader-wrapper {
    max-width: var(--wrap);
    margin: 0 auto;
    padding: 0 1rem;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
}

.z49bcelogo-section {
    display: flex;
    align-items: center;
    gap: 0.55rem;
    flex-shrink: 0;
    min-width: 0;
}

.z49bcelogo-mark {
    width: 32px;
    height: 32px;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--coral) 0%, var(--ocean) 50%, var(--cyan) 100%);
    box-shadow: 0 0 20px var(--coral-glow);
    flex-shrink: 0;
}

.z49bcelogo-text {
    font-size: 1.05rem;
    font-weight: 800;
    background: linear-gradient(90deg, #fff, var(--cyan));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: min(220px, 42vw);
}

.z49bcemain-nav { display: block; min-width: 0; }

.z49bcenav-list {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: flex-end;
    gap: 0.2rem;
}

.z49bcenav-link {
    display: block;
    padding: 0.4rem 0.65rem;
    font-size: 0.82rem;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.75);
    border: 1px solid transparent;
    border-radius: 999px;
}

.z49bcenav-link:hover {
    color: var(--cyan);
    background: rgba(0, 229, 204, 0.1);
    border-color: rgba(0, 229, 204, 0.25);
}

.z49bcenav-list > li.z49bcethis > .z49bcenav-link {
    color: var(--cyan);
    background: rgba(0, 229, 204, 0.12);
    border-color: rgba(0, 229, 204, 0.35);
    font-weight: 700;
}

.z49bceheader-actions {
    display: flex;
    align-items: center;
    gap: 0.45rem;
    flex-shrink: 0;
}

.z49bceheader-cta {
    display: none;
    padding: 0.45rem 1rem;
    font-size: 0.78rem;
    font-weight: 700;
    color: var(--deep);
    background: linear-gradient(135deg, var(--coral), var(--coral-bright));
    border: none;
    border-radius: 999px;
    box-shadow: 0 4px 18px var(--coral-glow);
}

.z49bceheader-cta:hover {
    transform: translateY(-1px);
    box-shadow: 0 8px 24px var(--coral-glow);
    color: var(--deep);
}

.z49bcemobile-menu-btn {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 40px;
    height: 40px;
    padding: 8px;
    border: 1px solid rgba(0, 229, 204, 0.3);
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.06);
}

.z49bcemobile-menu-btn span {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--cyan);
    border-radius: 1px;
    transition: var(--ease);
}

/* Hero bento — dark neon */
.z49bcehero-section {
    position: relative;
    padding: calc(var(--header-h) + 2rem) 1rem 3.5rem;
    background: linear-gradient(160deg, #030810 0%, var(--deep) 40%, #0d2847 75%, #1a1040 100%);
    overflow: hidden;
}

.z49bcehero-mesh {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 70% 55% at 15% 30%, var(--ocean-glow), transparent 55%),
        radial-gradient(ellipse 60% 50% at 85% 70%, var(--coral-glow), transparent 50%),
        radial-gradient(circle at 50% 100%, var(--cyan-glow), transparent 40%);
    pointer-events: none;
}

.z49bcehero-mesh::after {
    content: "";
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(0, 229, 204, 0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 229, 204, 0.04) 1px, transparent 1px);
    background-size: 48px 48px;
    mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.6), transparent 90%);
}

.z49bcehero-bento {
    position: relative;
    z-index: 1;
    max-width: var(--wrap);
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(6, minmax(0, 1fr));
    grid-template-rows: auto auto auto;
    gap: 12px;
    border: none;
    border-radius: var(--r-lg);
    overflow: hidden;
    box-shadow: 0 28px 70px rgba(0, 0, 0, 0.45), 0 0 60px rgba(0, 119, 255, 0.12);
}

.z49bcehero-cell {
    padding: clamp(1.15rem, 2.5vw, 1.85rem);
    border-radius: var(--r);
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.z49bcehero-cell--lead {
    grid-column: 1 / 5;
    grid-row: 1 / 3;
    background: linear-gradient(145deg, rgba(255, 255, 255, 0.07) 0%, rgba(255, 255, 255, 0.02) 100%);
    backdrop-filter: blur(12px);
}

.z49bcehero-cell--visual {
    grid-column: 5 / 7;
    grid-row: 1 / 2;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(145deg, var(--ocean) 0%, #6366f1 50%, var(--coral) 100%);
    padding: 1.25rem;
    border-color: rgba(255, 255, 255, 0.15);
    box-shadow: inset 0 0 40px rgba(255, 255, 255, 0.1);
}

.z49bcehero-cell--stat {
    grid-column: 5 / 6;
    grid-row: 2 / 3;
    display: flex;
    flex-direction: column;
    justify-content: center;
    text-align: center;
    background: rgba(0, 119, 255, 0.15);
    border-color: rgba(0, 119, 255, 0.3);
}

.z49bcehero-cell--stat:nth-of-type(4) { grid-column: 6 / 7; }

.z49bcehero-cell--accent {
    background: rgba(255, 107, 107, 0.15);
    border-color: rgba(255, 107, 107, 0.35);
}

.z49bcehero-cell--stat strong {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--cyan);
    line-height: 1.1;
}

.z49bcehero-cell--accent strong { color: var(--coral-bright); }

.z49bcehero-cell--stat span {
    font-size: 0.72rem;
    color: rgba(255, 255, 255, 0.65);
    margin-top: 0.25rem;
}

.z49bcehero-cell--kw {
    grid-column: 1 / 7;
    grid-row: 3 / 4;
    background: rgba(0, 0, 0, 0.35);
    padding: 0.85rem 1.25rem;
    font-size: 0.76rem;
    color: rgba(255, 255, 255, 0.55);
    line-height: 1.7;
    border-color: rgba(0, 229, 204, 0.15);
}

.z49bcehero-cell--kw strong { color: var(--cyan); font-weight: 600; }

.z49bcehero-kicker {
    display: inline-block;
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--coral-bright);
    margin-bottom: 0.65rem;
    padding: 0.3rem 0.75rem;
    background: rgba(255, 107, 107, 0.15);
    border: 1px solid rgba(255, 107, 107, 0.35);
    border-radius: 999px;
}

.z49bcehero-title {
    font-size: clamp(1.75rem, 4vw, 2.55rem);
    line-height: 1.12;
    font-weight: 800;
    margin-bottom: 0.65rem;
    letter-spacing: -0.03em;
    color: #fff;
    background: linear-gradient(135deg, #fff 40%, var(--cyan) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.z49bcehero-subtitle {
    font-size: 0.94rem;
    color: rgba(255, 255, 255, 0.88);
    margin-bottom: 0.65rem;
    max-width: 36rem;
}

.z49bcehero-tip {
    font-size: 0.86rem;
    color: rgba(255, 255, 255, 0.6);
    line-height: 1.7;
    margin-bottom: 1.15rem;
    max-width: 38rem;
}

.z49bcehero-tip strong { color: #fde68a; font-weight: 600; }

.z49bcehero-cta { display: flex; flex-wrap: wrap; gap: 0.6rem; }

.z49bcecta-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.65rem 1.2rem;
    font-size: 0.84rem;
    font-weight: 700;
    border-radius: 999px;
    border: 1px solid transparent;
    transition: transform var(--ease), box-shadow var(--ease), background var(--ease);
}

.z49bcecta-primary {
    background: linear-gradient(135deg, var(--ocean), #6366f1);
    color: #fff;
    box-shadow: 0 6px 22px var(--ocean-glow);
}

.z49bcecta-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px var(--ocean-glow);
    color: #fff;
}

.z49bcecta-outline {
    background: rgba(167, 139, 250, 0.12);
    color: #fff;
    border-color: rgba(167, 139, 250, 0.45);
}

.z49bcecta-outline:hover {
    background: rgba(167, 139, 250, 0.22);
    transform: translateY(-2px);
    color: #fff;
}

.z49bcecta-coral {
    background: linear-gradient(135deg, var(--coral), var(--coral-bright));
    color: var(--deep);
    box-shadow: 0 6px 22px var(--coral-glow);
}

.z49bcecta-coral:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px var(--coral-glow);
    color: var(--deep);
}

.z49bceplatform-image {
    max-height: 200px;
    width: auto;
    border-radius: var(--r);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.35);
    border: 2px solid rgba(255, 255, 255, 0.2);
}

/* Sections */
.z49bcesection-header {
    text-align: center;
    max-width: 680px;
    margin: 0 auto 2rem;
    padding: 0 1rem;
}

.z49bcesection-title {
    font-size: clamp(1.45rem, 3vw, 2rem);
    font-weight: 800;
    margin-bottom: 0.45rem;
    letter-spacing: -0.02em;
    background: linear-gradient(90deg, var(--deep), var(--ocean));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.z49bcesection-subtitle {
    font-size: 0.92rem;
    color: var(--muted);
    line-height: 1.65;
}

.z49bcesection-subtitle strong { color: var(--ocean); font-weight: 600; }

.z49bcedownload-section {
    padding: 3.75rem 1rem;
    background: linear-gradient(180deg, var(--bg-muted) 0%, #fff 100%);
}

.z49bcedownload-bento {
    max-width: var(--wrap);
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 12px;
    background: transparent;
    border: none;
    border-radius: var(--r-lg);
}

.z49bcedl-card {
    background: #fff;
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    border-radius: var(--r);
    border: 1px solid var(--line);
    box-shadow: 0 8px 28px rgba(0, 119, 255, 0.08);
    transition: transform var(--ease), box-shadow var(--ease);
    min-width: 0;
}

.z49bcedl-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 18px 45px rgba(0, 119, 255, 0.15);
}

.z49bcedl-card--wide { grid-column: 1 / 3; grid-row: 1 / 2; }

.z49bcedl-card--wide h3 { font-size: 1.12rem; margin-bottom: 0.25rem; }

.z49bcedl-card--wide p { font-size: 0.88rem; color: var(--muted); line-height: 1.65; }

.z49bcedl-tags { display: flex; flex-wrap: wrap; gap: 0.4rem; margin-top: 0.65rem; }

.z49bcedl-tags li {
    padding: 0.22rem 0.6rem;
    font-size: 0.74rem;
    background: var(--ocean-soft);
    border: 1px solid rgba(0, 119, 255, 0.2);
    border-radius: 999px;
    color: var(--ocean);
}

.z49bcedl-card--android,
.z49bcedl-card--pc,
.z49bcedl-card--ios {
    align-items: center;
    justify-content: center;
    text-align: center;
    min-height: 120px;
}

.z49bcedl-card--android {
    border-top: 4px solid var(--android);
    background: linear-gradient(180deg, rgba(61, 220, 132, 0.1) 0%, #fff 45%);
}

.z49bcedl-card--pc {
    border-top: 4px solid var(--ocean-bright);
    background: linear-gradient(180deg, rgba(56, 189, 248, 0.1) 0%, #fff 45%);
}

.z49bcedl-card--ios {
    border-top: 4px solid var(--violet);
    background: linear-gradient(180deg, rgba(167, 139, 250, 0.12) 0%, #fff 45%);
}

.z49bcedl-badge {
    font-size: 0.68rem;
    font-weight: 800;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    padding: 0.25rem 0.6rem;
    border-radius: 999px;
}

.z49bcedl-card--android .z49bcedl-badge { color: #15803d; background: rgba(61, 220, 132, 0.2); }
.z49bcedl-card--pc .z49bcedl-badge { color: var(--ocean); background: var(--ocean-soft); }
.z49bcedl-card--ios .z49bcedl-badge { color: #7c3aed; background: rgba(167, 139, 250, 0.2); }

.z49bcedl-label { font-size: 0.95rem; font-weight: 700; color: var(--ink); }

.z49bcedl-card--preview {
    grid-column: 1 / -1;
    align-items: center;
    background: linear-gradient(135deg, var(--deep-mid) 0%, var(--ocean) 100%);
    padding: 1.75rem;
    border: 1px solid rgba(0, 229, 204, 0.2);
}

.z49bceapp-preview {
    max-height: 160px;
    width: auto;
    margin: 0 auto;
    border-radius: var(--r);
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.35);
}

.z49bcefeatures-section {
    padding: 3.75rem 1rem;
    background: #fff;
}

.z49bcefeat-bento {
    max-width: var(--wrap);
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 12px;
    background: transparent;
    border: none;
    border-radius: var(--r-lg);
}

.z49bcefeat-cell {
    background: #fff;
    padding: 1.5rem;
    border-radius: var(--r);
    border: 1px solid var(--line);
    border-top: 4px solid var(--ocean);
    box-shadow: 0 6px 24px rgba(15, 23, 42, 0.06);
    transition: transform var(--ease), box-shadow var(--ease);
    min-width: 0;
}

.z49bcefeat-cell:hover {
    transform: translateY(-4px);
    box-shadow: 0 14px 36px rgba(0, 119, 255, 0.12);
}

.z49bcefeat-cell--span2 { grid-column: span 2; }

.z49bcefeat-cell--accent {
    background: linear-gradient(145deg, rgba(255, 107, 107, 0.08), rgba(255, 153, 102, 0.05));
    border-top-color: var(--coral);
}

.z49bcefeat-num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 2rem;
    padding: 0.2rem 0.5rem;
    font-size: 0.72rem;
    font-weight: 800;
    color: #fff;
    background: linear-gradient(135deg, var(--ocean), var(--cyan));
    border-radius: 8px;
    margin-bottom: 0.55rem;
}

.z49bcefeat-cell--accent .z49bcefeat-num {
    background: linear-gradient(135deg, var(--coral), var(--coral-bright));
}

.z49bcefeat-cell h3 { font-size: 1.05rem; margin-bottom: 0.35rem; color: var(--deep); }

.z49bcefeat-cell p { font-size: 0.86rem; color: var(--muted); line-height: 1.6; }

.z49bceregister-section {
    padding: 3.75rem 1rem;
    background: linear-gradient(160deg, var(--deep) 0%, var(--deep-mid) 100%);
}

.z49bceregister-section .z49bcesection-title {
    background: linear-gradient(90deg, #fff, var(--cyan));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.z49bceregister-section .z49bcesection-subtitle { color: rgba(255, 255, 255, 0.65); }

.z49bcereg-grid {
    max-width: var(--wrap);
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 12px;
    background: transparent;
    border: none;
    border-radius: var(--r-lg);
}

.z49bcereg-step {
    background: rgba(255, 255, 255, 0.06);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--r);
    padding: 1.4rem 1rem;
    text-align: center;
    transition: border-color var(--ease), background var(--ease);
    min-width: 0;
}

.z49bcereg-step:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--cyan);
}

.z49bcereg-step span {
    display: inline-flex;
    width: 38px;
    height: 38px;
    align-items: center;
    justify-content: center;
    font-size: 0.78rem;
    font-weight: 800;
    color: var(--deep);
    background: linear-gradient(135deg, var(--coral), var(--gold));
    border-radius: 50%;
    margin-bottom: 0.65rem;
    box-shadow: 0 4px 14px var(--coral-glow);
}

.z49bcereg-step h3 { font-size: 0.92rem; margin-bottom: 0.35rem; color: #fff; }

.z49bcereg-step p { font-size: 0.8rem; color: rgba(255, 255, 255, 0.65); line-height: 1.55; }

.z49bcereg-step p strong { color: var(--cyan); }

.z49bceabout-section { padding: 3.75rem 1rem; background: var(--bg-muted); }

.z49bceabout-bento {
    max-width: var(--wrap);
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 12px;
    background: transparent;
    border: none;
    border-radius: var(--r-lg);
}

.z49bceabout-quote {
    grid-column: 1 / -1;
    background: linear-gradient(135deg, #fff 0%, rgba(0, 119, 255, 0.06) 100%);
    padding: 1.75rem 2rem;
    border-left: 4px solid var(--coral);
    border-radius: var(--r);
    border: 1px solid var(--line);
    border-left: 4px solid var(--coral);
    box-shadow: 0 8px 28px rgba(255, 107, 107, 0.1);
}

.z49bceabout-quote p { font-size: 1.02rem; line-height: 1.75; color: var(--ink); }

.z49bceabout-pillar {
    background: #fff;
    padding: 1.35rem;
    text-align: center;
    border-radius: var(--r);
    border: 1px solid var(--line);
    border-top: 3px solid var(--ocean);
    box-shadow: 0 4px 18px rgba(15, 23, 42, 0.05);
    transition: transform var(--ease);
    min-width: 0;
}

.z49bceabout-pillar:hover { transform: translateY(-3px); }

.z49bceabout-pillar:nth-child(3) { border-top-color: var(--coral); }
.z49bceabout-pillar:nth-child(4) { border-top-color: var(--cyan); }
.z49bceabout-pillar:nth-child(5) { border-top-color: var(--violet); }

.z49bceabout-pillar h4 { font-size: 0.92rem; color: var(--ocean); margin-bottom: 0.35rem; font-weight: 700; }

.z49bceabout-pillar p { font-size: 0.8rem; color: var(--muted); line-height: 1.55; }

.z49bcesecurity-section {
    padding: 3.75rem 1rem;
    background: linear-gradient(180deg, #fff 0%, var(--bg-muted) 100%);
}

.z49bcesec-panel {
    max-width: var(--wrap);
    margin: 0 auto;
    padding: 2.25rem;
    background: linear-gradient(135deg, #0c4a6e 0%, var(--ocean) 40%, #6366f1 100%);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: var(--r-lg);
    box-shadow: 0 20px 55px var(--ocean-glow);
    position: relative;
    overflow: hidden;
}

.z49bcesec-panel::before {
    content: "";
    position: absolute;
    top: -50%;
    right: -20%;
    width: 60%;
    height: 120%;
    background: radial-gradient(circle, var(--coral-glow), transparent 65%);
    pointer-events: none;
}

.z49bcesec-header { text-align: center; margin-bottom: 1.75rem; position: relative; z-index: 1; }

.z49bcesec-title {
    font-size: clamp(1.35rem, 3vw, 1.85rem);
    color: #fff;
    margin-bottom: 0.45rem;
    font-weight: 800;
}

.z49bcesec-sub { font-size: 0.9rem; color: rgba(255, 255, 255, 0.82); line-height: 1.6; }

.z49bcesec-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
    background: transparent;
    border: none;
    border-radius: var(--r);
    position: relative;
    z-index: 1;
}

.z49bcesec-col {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: var(--r);
    padding: 1.5rem 1.15rem;
    text-align: center;
    transition: background var(--ease);
    min-width: 0;
}

.z49bcesec-col:hover { background: rgba(255, 255, 255, 0.16); }

.z49bcesec-col h3 { color: var(--cyan); font-size: 1rem; margin-bottom: 0.45rem; font-weight: 700; }

.z49bcesec-col p { font-size: 0.84rem; color: rgba(255, 255, 255, 0.82); line-height: 1.6; }

.z49bcefaq-section { padding: 3.75rem 1rem; background: #fff; }

.z49bcefaq-grid {
    max-width: var(--wrap);
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
    background: transparent;
    border: none;
    border-radius: var(--r-lg);
}

.z49bcefaq-item {
    background: var(--bg-muted);
    padding: 1.4rem 1.5rem;
    border-radius: var(--r);
    border: 1px solid var(--line);
    border-left: 4px solid var(--ocean);
    transition: box-shadow var(--ease);
    min-width: 0;
}

.z49bcefaq-item:hover { box-shadow: 0 10px 28px rgba(0, 119, 255, 0.1); }

.z49bcefaq-item:nth-child(even) { border-left-color: var(--coral); }

.z49bcefaq-item h3 { font-size: 0.95rem; color: var(--ocean); margin-bottom: 0.35rem; font-weight: 700; }

.z49bcefaq-item p { font-size: 0.86rem; color: var(--muted); line-height: 1.6; }

.z49bcehome-articles-section {
    padding: 3.75rem 1rem 4rem;
    background: linear-gradient(180deg, var(--bg-muted) 0%, rgba(0, 119, 255, 0.06) 100%);
}

.z49bcehome-articles-grid {
    max-width: var(--wrap);
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 12px;
    background: transparent;
    border: none;
    border-radius: var(--r-lg);
}

.z49bcehome-article-card {
    background: #fff;
    display: flex;
    flex-direction: column;
    border-radius: var(--r);
    border: 1px solid var(--line);
    overflow: hidden;
    transition: transform var(--ease), box-shadow var(--ease), border-color var(--ease);
    min-width: 0;
}

.z49bcehome-article-card:hover {
    transform: translateY(-4px);
    border-color: var(--ocean);
    box-shadow: 0 14px 36px rgba(0, 119, 255, 0.14);
}

.z49bcehome-article-thumb {
    display: block;
    aspect-ratio: 16 / 10;
    overflow: hidden;
    border-bottom: 1px solid var(--line);
    background: linear-gradient(135deg, var(--deep-mid), var(--ocean));
}

.z49bcehome-article-thumb img { width: 100%; height: 100%; object-fit: cover; }

.z49bcehome-article-body { padding: 0.85rem; flex: 1; display: flex; flex-direction: column; }

.z49bcehome-article-title {
    font-size: 0.82rem;
    font-weight: 600;
    line-height: 1.4;
    margin-bottom: 0.3rem;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.z49bcehome-article-title a:hover { color: var(--ocean); }

.z49bcehome-article-meta { font-size: 0.7rem; color: var(--muted); margin-top: auto; }

.z49bcecta-band {
    padding: 2.75rem 1rem;
    background: linear-gradient(120deg, #030810 0%, var(--deep) 30%, var(--ocean) 70%, var(--coral) 100%);
    position: relative;
    overflow: hidden;
}

.z49bcecta-band::before {
    content: "";
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 20% 50%, var(--cyan-glow), transparent 50%);
    pointer-events: none;
}

.z49bcecta-band-inner {
    max-width: var(--wrap);
    margin: 0 auto;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 1.25rem;
    color: #fff;
    position: relative;
    z-index: 1;
}

.z49bcecta-band-inner h2 { font-size: clamp(1.25rem, 3vw, 1.65rem); margin-bottom: 0.35rem; font-weight: 800; }

.z49bcecta-band-inner p { font-size: 0.88rem; opacity: 0.88; max-width: 28rem; line-height: 1.55; }

.z49bcecta-band-inner p strong { color: var(--cyan); }

.z49bcecta-band-actions { display: flex; flex-wrap: wrap; gap: 0.6rem; }

.z49bcecta-band-actions > a:first-child {
    display: inline-flex;
    align-items: center;
    padding: 0.65rem 1.25rem;
    font-size: 0.88rem;
    font-weight: 700;
    color: var(--deep);
    background: linear-gradient(135deg, var(--coral), var(--gold));
    border-radius: 999px;
    box-shadow: 0 6px 20px var(--coral-glow);
}

.z49bcecta-band-actions > a:first-child:hover {
    transform: translateY(-2px);
    color: var(--deep);
}

.z49bcelegal-strip {
    padding: 1rem;
    background: var(--deep);
    border-top: 1px solid rgba(0, 229, 204, 0.15);
    font-size: 0.76rem;
    color: rgba(255, 255, 255, 0.55);
    text-align: center;
    line-height: 1.6;
}

.z49bcelegal-strip strong { color: var(--coral-bright); }

.z49bcead-section {
    max-width: var(--wrap);
    margin: 0 auto 1.25rem;
    padding: 0.85rem;
    background: var(--bg-muted);
    border: 1px solid var(--line);
    border-radius: var(--r);
}

.z49bcead-top { margin-top: calc(var(--header-h) + 1rem); }

/* Footer */
.z49bcemain-footer {
    background: linear-gradient(180deg, var(--deep) 0%, #030810 100%);
    color: rgba(255, 255, 255, 0.85);
    padding: 2.75rem 0 0;
    border-top: 1px solid rgba(0, 229, 204, 0.12);
}

.z49bcefooter-content {
    max-width: var(--wrap);
    margin: 0 auto;
    padding: 0 1rem;
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1.75rem;
}

.z49bcefooter-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.65rem;
    font-weight: 700;
    color: #fff;
}

.z49bcefooter-description { font-size: 0.84rem; color: rgba(255, 255, 255, 0.55); line-height: 1.6; }

.z49bcefooter-section h3 {
    font-size: 0.92rem;
    margin-bottom: 0.85rem;
    color: var(--cyan);
    font-weight: 700;
}

.z49bcefooter-section ul li { margin-bottom: 0.45rem; }

.z49bcefooter-section ul li button {
    font-size: 0.84rem;
    color: rgba(255, 255, 255, 0.6);
}

.z49bcefooter-section ul li button:hover { color: var(--coral-bright); }

.z49bcefooter-links-section {
    max-width: var(--wrap);
    margin: 1.75rem auto 0;
    padding: 0 1rem 1.25rem;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding-top: 1.25rem;
}

.z49bcefooter-links-section h3 { font-size: 0.92rem; margin-bottom: 0.65rem; color: var(--cyan); }

.z49bcefooter-links { display: flex; flex-wrap: wrap; gap: 0.45rem 0.75rem; }

.z49bcefooter-links a {
    font-size: 0.84rem;
    color: rgba(255, 255, 255, 0.55);
    padding: 0.3rem 0.65rem;
    background: rgba(255, 255, 255, 0.04);
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.z49bcefooter-links a:hover { color: var(--coral-bright); border-color: rgba(255, 107, 107, 0.35); }

.z49bcefooter-ad-section { max-width: var(--wrap); margin: 0 auto; padding: 0 1rem 0.85rem; }

.z49bcefooter-bottom {
    text-align: center;
    padding: 1.15rem 1rem;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    margin-top: 0.85rem;
}

.z49bcefooter-bottom p { font-size: 0.8rem; color: rgba(255, 255, 255, 0.45); margin: 0.2rem 0; }

.z49bcefooter-bottom a { color: var(--cyan); }

/* Inner pages */
.z49bceinner-page {
    padding: 1.25rem 0 3rem;
    background: var(--bg-muted);
    min-height: 50vh;
}

.z49bceinner-wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 1rem; }

.z49bceinner-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(240px, 280px);
    gap: 1.35rem;
    align-items: start;
}

.z49bceinner-main {
    background: var(--bg);
    border: 1px solid var(--line);
    border-radius: var(--r-lg);
    padding: 1.35rem;
    box-shadow: 0 8px 28px rgba(0, 119, 255, 0.06);
}

.z49bceinner-sidebar { display: flex; flex-direction: column; gap: 0.85rem; }

.z49bceside-widget {
    background: var(--bg);
    border: 1px solid var(--line);
    border-radius: var(--r);
    padding: 0.95rem;
    box-shadow: 0 4px 16px rgba(15, 23, 42, 0.04);
}

.z49bceside-widget h3 {
    font-size: 0.92rem;
    margin-bottom: 0.65rem;
    padding-bottom: 0.45rem;
    border-bottom: 2px solid rgba(0, 119, 255, 0.2);
    color: var(--ocean);
    font-weight: 700;
}

.z49bceside-thumb { display: flex; gap: 0.6rem; margin-bottom: 0.6rem; }

.z49bcethumb-img {
    flex: 0 0 72px;
    width: 72px;
    height: 54px;
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid var(--line);
}

.z49bcethumb-img img { width: 100%; height: 100%; object-fit: cover; }

.z49bcethumb-body { flex: 1; min-width: 0; }

.z49bcethumb-title {
    font-size: 0.84rem;
    font-weight: 600;
    margin-bottom: 0.15rem;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.z49bcethumb-title a:hover { color: var(--ocean); }

.z49bcethumb-meta { font-size: 0.7rem; color: var(--muted); }

.z49bcebreadcrumb {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.8rem;
    color: var(--muted);
    margin-bottom: 1rem;
}

.z49bcebreadcrumb a { color: var(--ocean); }

.z49bcebreadcrumb-sep { opacity: 0.45; }

.z49bcekw-note {
    font-size: 0.86rem;
    color: var(--muted);
    line-height: 1.65;
    margin-bottom: 1rem;
    padding: 0.8rem 1rem;
    background: linear-gradient(90deg, var(--ocean-soft), rgba(255, 107, 107, 0.08));
    border: 1px solid var(--line);
    border-radius: var(--r);
    border-left: 4px solid var(--coral);
}

.z49bcekw-note strong { color: var(--ink); font-weight: 600; }

.z49bcearticle-header h1 { font-size: 1.55rem; line-height: 1.35; margin-bottom: 0.6rem; font-weight: 800; }

.z49bcearticle-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.45rem 1rem;
    font-size: 0.84rem;
    color: var(--muted);
    margin-bottom: 0.85rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--line);
}

.z49bcearticle-meta a { color: var(--ocean); }

.z49bcearticle-lead, .z49bcelist-lead {
    font-size: 0.88rem;
    line-height: 1.65;
    color: var(--muted);
    margin-top: 0.65rem;
}

.z49bcearticle-litpic {
    margin-bottom: 1rem;
    border-radius: var(--r);
    overflow: hidden;
    border: 1px solid var(--line);
}

.z49bcearticle-body { font-size: 1rem; line-height: 1.75; word-break: break-word; }

.z49bcearticle-body img { max-width: 100%; border-radius: var(--r); }

.z49bceprenext {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 0.85rem;
    margin-top: 1.35rem;
    padding-top: 0.85rem;
    border-top: 1px solid var(--line);
    font-size: 0.88rem;
}

.z49bcemeta-tags { display: flex; flex-wrap: wrap; gap: 0.35rem; margin: 0.85rem 0 0; }

.z49bcetagitem a {
    display: inline-block;
    padding: 0.2rem 0.55rem;
    font-size: 0.78rem;
    background: var(--ocean-soft);
    border: 1px solid var(--line);
    border-radius: 999px;
    color: var(--ocean);
}

.z49bcerelated-heading { margin-top: 1.35rem; margin-bottom: 0.65rem; font-size: 1.02rem; color: var(--ocean); }

.z49bcerelated-thumb-list { display: flex; flex-direction: column; gap: 0.85rem; }

.z49bcerelated-item {
    display: flex;
    gap: 0.85rem;
    padding-bottom: 0.85rem;
    border-bottom: 1px solid var(--line);
}

.z49bcerelated-item:last-child { border-bottom: none; padding-bottom: 0; }

.z49bcerelated-thumb {
    flex: 0 0 120px;
    width: 120px;
    height: 75px;
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid var(--line);
}

.z49bcerelated-thumb img { width: 100%; height: 100%; object-fit: cover; }

.z49bcerelated-title { font-weight: 600; font-size: 0.9rem; display: block; margin-bottom: 0.25rem; }

.z49bcerelated-title:hover { color: var(--ocean); }

.z49bcerelated-desc { font-size: 0.84rem; color: var(--muted); line-height: 1.5; }

.z49bcelist-thumb-grid { display: flex; flex-direction: column; }

.z49bcelist-item {
    display: flex;
    gap: 0.95rem;
    padding: 1.15rem 0;
    border-bottom: 1px solid var(--line);
}

.z49bcelist-item:last-child { border-bottom: none; }

.z49bcelist-img--thumb {
    flex: 0 0 160px;
    width: 160px;
    aspect-ratio: 16 / 10;
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid var(--line);
}

.z49bcelist-img--thumb img { width: 100%; height: 100%; object-fit: cover; }

.z49bcelist-text { flex: 1; min-width: 0; }

.z49bcelist-title { font-size: 1.02rem; margin-bottom: 0.35rem; font-weight: 700; }

.z49bcelist-title a:hover { color: var(--ocean); }

.z49bcelist-info { font-size: 0.78rem; color: var(--muted); margin-bottom: 0.35rem; }

.z49bcelist-intro { font-size: 0.88rem; color: var(--muted); line-height: 1.6; }

.z49bcepagebar { margin-top: 1.25rem; padding-top: 0.85rem; border-top: 1px solid var(--line); }

.z49bcepagebar .pagelist {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 0.45rem;
    list-style: none;
}

.z49bceimages-block img { max-width: 100%; border-radius: var(--r); }

.z49bcediyfield {
    margin-top: 0.85rem;
    padding: 0.85rem;
    background: var(--bg-muted);
    border: 1px solid var(--line);
    border-radius: var(--r);
}

/* Responsive */
@media (min-width: 769px) {
    .z49bceheader-cta { display: inline-flex; }
}

@media (max-width: 992px) {
    .z49bcehero-bento { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .z49bcehero-cell--lead { grid-column: 1 / -1; grid-row: auto; }
    .z49bcehero-cell--visual { grid-column: 1 / -1; }
    .z49bcehero-cell--stat { grid-column: auto; }
    .z49bcehero-cell--kw { grid-column: 1 / -1; }
    .z49bcedownload-bento { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .z49bcedl-card--wide { grid-column: 1 / -1; }
    .z49bcefeat-bento { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .z49bcefeat-cell--span2 { grid-column: 1 / -1; }
    .z49bcereg-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .z49bceabout-bento { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .z49bcesec-grid { grid-template-columns: 1fr; }
    .z49bcehome-articles-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .z49bcefooter-content { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .z49bceinner-layout { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
    .z49bcemain-nav {
        display: none;
        position: fixed;
        top: var(--header-h);
        left: 0; right: 0;
        background: var(--deep);
        border-bottom: 1px solid rgba(0, 229, 204, 0.15);
        padding: 0.65rem;
        max-height: calc(100dvh - var(--header-h));
        overflow-y: auto;
        z-index: 1001;
        box-shadow: 0 16px 40px rgba(0, 0, 0, 0.45);
    }
    .z49bcemain-nav.active { display: block; }
    .z49bcenav-list { flex-direction: column; align-items: stretch; }
    .z49bcenav-link {
        padding: 0.75rem;
        border: 1px solid rgba(255, 255, 255, 0.08);
        border-radius: var(--r-sm, 10px);
        color: rgba(255, 255, 255, 0.85);
    }
    .z49bcemobile-menu-btn { display: flex; }
    .z49bcemobile-menu-btn.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
    .z49bcemobile-menu-btn.active span:nth-child(2) { opacity: 0; }
    .z49bcemobile-menu-btn.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
    .z49bcehero-bento,
    .z49bcedownload-bento,
    .z49bcefeat-bento,
    .z49bcereg-grid,
    .z49bceabout-bento,
    .z49bcefaq-grid { grid-template-columns: 1fr; }
    .z49bcehero-cell--lead,
    .z49bcehero-cell--visual,
    .z49bcedl-card--wide,
    .z49bcefeat-cell--span2,
    .z49bceabout-quote { grid-column: 1; }
    .z49bcehome-articles-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .z49bcefooter-content { grid-template-columns: 1fr; }
    .z49bcelist-item { flex-direction: column; }
    .z49bcelist-img--thumb { width: 100%; flex: none; }
    .z49bcerelated-item { flex-direction: column; }
    .z49bcerelated-thumb { width: 100%; max-width: 280px; aspect-ratio: 16 / 10; height: auto; }
    .z49bcecta-band-inner { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 480px) {
    .z49bcehome-articles-grid { grid-template-columns: 1fr; }
    .z49bcehero-cta { flex-direction: column; }
    .z49bcecta-btn { justify-content: center; width: 100%; }
}