:root {
    --primary-color: #9f1239;
    --primary-dark: #881337;
    --primary-rgb: 159, 18, 57;
    --secondary-color: #1c1917;
    --accent-color: #c9a227;
    --surface: #faf7f2;
    --surface-elevated: #ffffff;
    --text-color: #1c1917;
    --text-muted: #57534e;
    --border-subtle: rgba(28, 25, 23, 0.12);
    --border-inner: rgba(28, 25, 23, 0.08);
    --border-card: 1px solid var(--border-subtle);
    --accent-bar-width: 4px;
    --gray-100: #f5f0e8;
    --gray-200: #e7e0d5;
    --transition-speed: 0.3s;
    --transition-easing: cubic-bezier(0.4, 0, 0.2, 1);
    --radius-card: 6px;
    --radius-inner: 4px;
    --shadow-soft: 0 1px 0 rgba(28, 25, 23, 0.06), 0 12px 40px rgba(28, 25, 23, 0.06);
    --shadow-hover: 0 2px 0 rgba(28, 25, 23, 0.08), 0 20px 50px rgba(28, 25, 23, 0.08);
    --section-pad-y: clamp(2.75rem, 6vw, 4.75rem);
}

html {
    overflow-x: hidden;
    scroll-behavior: smooth;
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: "PingFang SC", "Microsoft YaHei", "Segoe UI", system-ui, sans-serif;
    color: var(--text-color);
    line-height: 1.65;
    background: var(--surface);
    overflow-x: hidden;
    padding-left: env(safe-area-inset-left, 0);
    padding-right: env(safe-area-inset-right, 0);
}

.container .row > [class*="col-"] {
    min-width: 0;
}

/* —— 导航 —— */
.zbcffbnavbar {
    background: rgba(255, 255, 255, 0.94);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: var(--border-card);
    box-shadow: 0 1px 0 rgba(255, 255, 255, 0.8) inset;
    padding: 0.6rem 0;
}

.zbcffbnavbar-brand img {
    height: 44px;
    width: auto;
    max-height: 44px;
    object-fit: contain;
}

.zbcffbnav-link {
    color: var(--text-color) !important;
    font-weight: 500;
    padding: 0.5rem 0.75rem !important;
    border-radius: var(--radius-inner);
    transition: color var(--transition-speed), background var(--transition-speed);
    white-space: normal;
    word-break: break-word;
}

.zbcffbnav-link:hover {
    color: var(--primary-dark) !important;
    background: rgba(var(--primary-rgb), 0.08);
}

/* 与首页一致的深色顶栏（列表/内页等无 .zbcffbbn-wrap 时） */
.zbcffbnavbar.zbcffbbn-navbar {
    background: rgba(9, 12, 16, 0.92) !important;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid #2a323d;
    box-shadow: none;
}

.zbcffbnavbar.zbcffbbn-navbar .zbcffbnavbar-brand img {
    max-height: 42px;
    height: auto;
}

.zbcffbnavbar.zbcffbbn-navbar .zbcffbnav-link {
    color: #8b95a5 !important;
    font-size: 0.9rem;
}

.zbcffbnavbar.zbcffbbn-navbar .zbcffbnav-link:hover,
.zbcffbnavbar.zbcffbbn-navbar .zbcffbnav-link:focus {
    color: #7df9ff !important;
    background: rgba(125, 249, 255, 0.08);
}

.zbcffbnavbar.zbcffbbn-navbar .zbcffbbn-brand img {
    filter: brightness(1.15) contrast(1.05);
}

/* —— 英雄区：暖纸编辑式 —— */
.zbcffbhero-section {
    background: linear-gradient(165deg, #fdfcfa 0%, var(--gray-100) 48%, #efe6dc 100%);
    color: var(--text-color);
    padding: clamp(3rem, 8vw, 5.25rem) 0;
    position: relative;
    overflow-x: hidden;
    overflow-y: visible;
    border-bottom: var(--border-card);
}

.zbcffbhero-section::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: var(--accent-bar-width);
    background: linear-gradient(180deg, var(--primary-color), var(--accent-color));
    pointer-events: none;
}

.zbcffbhero-copy {
    position: relative;
    z-index: 1;
    padding-left: calc(var(--accent-bar-width) + min(1rem, 2.5vw));
    min-width: 0;
    overflow-wrap: anywhere;
    word-break: break-word;
}

.zbcffbhero-section .col-lg-5 {
    min-width: 0;
    padding-left: 0.25rem;
    padding-right: 0.25rem;
}

.zbcffbhero-eyebrow {
    font-family: ui-monospace, "Cascadia Code", "Consolas", monospace;
    font-size: 0.72rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--primary-dark);
    margin-bottom: 0.75rem;
    font-weight: 600;
}

.zbcffbhero-title {
    font-size: clamp(2rem, 5vw, 3.25rem);
    font-weight: 800;
    margin-bottom: 0.85rem;
    line-height: 1.08;
    letter-spacing: -0.035em;
    color: var(--secondary-color);
    max-width: 100%;
    overflow-wrap: anywhere;
}

.zbcffbhero-subtitle {
    font-size: clamp(1.05rem, 2.2vw, 1.25rem);
    margin-bottom: 1.25rem;
    color: var(--text-muted);
    max-width: 40rem;
    font-weight: 500;
}

.zbcffbhero-abstract {
    font-size: 0.95rem;
    line-height: 1.75;
    color: var(--text-muted);
    max-width: 42rem;
}

.zbcffbhero-abstract p {
    margin-bottom: 0.85rem;
}

.zbcffbhero-abstract p:last-child {
    margin-bottom: 0;
}

.zbcffbhero-abstract strong {
    color: var(--text-color);
    font-weight: 600;
}

.zbcffbhero-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
    margin-top: 1.35rem;
}

.zbcffbhero-buttons .btn {
    padding: 0.55rem 1.2rem;
    border-radius: var(--radius-inner);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.zbcffbhero-buttons .btn-primary {
    border: none;
}

.zbcffbhero-buttons .btn-outline-primary {
    background: var(--surface-elevated);
    border-width: 2px;
}

.zbcffbhero-frame {
    margin: 0;
    position: relative;
    z-index: 1;
    padding: 0.65rem;
    box-sizing: border-box;
}

.zbcffbhero-frame-inner {
    background: var(--surface-elevated);
    padding: 1rem;
    border: var(--border-card);
    box-shadow: var(--shadow-soft);
    transform: rotate(-1deg);
    transition: transform var(--transition-speed) var(--transition-easing);
    box-sizing: border-box;
    max-width: 100%;
}

.zbcffbhero-frame:hover .zbcffbhero-frame-inner {
    transform: rotate(0deg);
}

.zbcffbhero-image {
    width: 100%;
    max-width: 320px;
    margin: 0 auto;
    display: block;
    height: auto;
    border-radius: 2px;
    object-fit: contain;
}

.zbcffbhero-caption {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 1rem;
    line-height: 1.5;
    max-width: 22rem;
    margin-left: auto;
    margin-right: auto;
    text-align: center;
}

.zbcffbhero-meta {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 0.75rem 1rem;
    margin: 1.75rem 0 0;
    padding: 1rem 0 0;
    border-top: 1px solid var(--border-inner);
}

.zbcffbhero-meta div {
    min-width: 0;
}

.zbcffbhero-meta dt {
    font-size: 0.68rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--primary-dark);
    font-weight: 700;
    margin-bottom: 0.2rem;
}

.zbcffbhero-meta dd {
    margin: 0;
    font-size: 0.82rem;
    color: var(--text-muted);
    line-height: 1.4;
}

/* —— 通栏导读：双栏 —— */
.zbcffbprose-section {
    background: var(--surface-elevated);
    border-bottom: var(--border-card);
    padding: var(--section-pad-y) 0;
}

.zbcffbprose-columns {
    column-count: 1;
    column-gap: 2.5rem;
}

@media (min-width: 768px) {
    .zbcffbprose-columns {
        column-count: 2;
    }

    .zbcffbprose-columns .lead {
        break-inside: avoid;
    }
}

.zbcffbprose-section .lead {
    color: var(--text-muted);
    max-width: none;
    margin: 0;
    text-align: left;
    font-size: clamp(0.98rem, 2vw, 1.08rem);
    line-height: 1.75;
}

/* —— 分区标题 —— */
.zbcffbsection-head {
    text-align: center;
    max-width: 44rem;
    margin: 0 auto 2.25rem;
}

.zbcffbsection-head h2 {
    font-weight: 800;
    color: var(--secondary-color);
    margin-bottom: 0.5rem;
    font-size: clamp(1.35rem, 3vw, 1.9rem);
    letter-spacing: -0.025em;
}

.zbcffbsection-head p {
    color: var(--text-muted);
    margin: 0;
    font-size: 0.98rem;
    line-height: 1.65;
}

.zbcffbsection-head--rail {
    display: flex;
    gap: 1rem;
    text-align: left;
    max-width: none;
    margin-left: 0;
    margin-right: 0;
    align-items: flex-start;
}

.zbcffbsection-rail {
    width: var(--accent-bar-width);
    flex: 0 0 var(--accent-bar-width);
    height: 2.75rem;
    align-self: flex-start;
    margin-top: 0.35rem;
    flex-shrink: 0;
    background: linear-gradient(180deg, var(--primary-color), var(--accent-color));
    border-radius: 2px;
}

.zbcffbsection-head--rail > div:last-child {
    min-width: 0;
    flex: 1;
}

.zbcffbsection-head--rail h2,
.zbcffbsection-head--rail p {
    max-width: 100%;
    overflow-wrap: anywhere;
    word-break: break-word;
}

.zbcffbsection-head-left {
    text-align: left;
    margin-left: 0;
    margin-right: 0;
    max-width: none;
}

/* —— 首页内容带 —— */
.zbcffbhome-band {
    padding: var(--section-pad-y) 0;
}

.zbcffbhome-band--muted {
    background: var(--gray-100);
    border-top: var(--border-card);
    border-bottom: var(--border-card);
}

.zbcffbhome-band--surface {
    background: var(--surface-elevated);
    border-top: var(--border-card);
}

/* —— 能力条带 —— */
.zbcffbfeat-band {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 1rem 1.25rem;
    padding: 1.35rem 0;
    border-bottom: 1px solid var(--border-inner);
    box-sizing: border-box;
}

.zbcffbfeat-band:last-of-type {
    border-bottom: none;
}

.zbcffbfeat-num {
    font-family: ui-monospace, "Consolas", monospace;
    font-size: 1.75rem;
    font-weight: 800;
    color: rgba(var(--primary-rgb), 0.25);
    line-height: 1;
    padding-top: 0.15rem;
    flex-shrink: 0;
}

.zbcffbfeat-body {
    min-width: 0;
}

.zbcffbfeat-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--secondary-color);
    margin-bottom: 0.5rem;
    overflow-wrap: anywhere;
    word-break: break-word;
}

.zbcffbfeat-text {
    margin: 0;
    font-size: 0.95rem;
    color: var(--text-muted);
    line-height: 1.7;
    overflow-wrap: anywhere;
    word-break: break-word;
}

.zbcffbnote-rail {
    border: var(--border-card);
    border-left: var(--accent-bar-width) solid var(--primary-color);
    border-radius: var(--radius-card);
    padding: 1.25rem 1.35rem;
    background: var(--gray-100);
    box-sizing: border-box;
    overflow: hidden;
}

.zbcffbnote-title {
    font-size: 0.85rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--primary-dark);
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.zbcffbnote-text {
    font-size: 0.92rem;
    color: var(--text-muted);
    line-height: 1.65;
    overflow-wrap: anywhere;
    word-break: break-word;
}

/* —— 统计数据：横向条带 —— */
.zbcffbstats-section {
    background: linear-gradient(180deg, #f0ebe4 0%, var(--surface) 100%);
    color: var(--text-color);
    padding: var(--section-pad-y) 0;
    border-top: var(--border-card);
    border-bottom: var(--border-card);
}

.zbcffbstat-strip {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1px;
    padding: 0;
    border: var(--border-card);
    background: var(--border-inner);
    border-radius: var(--radius-card);
    overflow: hidden;
    box-sizing: border-box;
}

@media (min-width: 992px) {
    .zbcffbstat-strip {
        grid-template-columns: repeat(4, 1fr);
    }
}

.zbcffbstat-cell {
    min-width: 0;
    padding: 1.15rem 0.75rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 0.35rem;
    background: var(--surface-elevated);
    border: none;
    box-sizing: border-box;
}

.zbcffbstat-number {
    font-size: clamp(1.65rem, 3.5vw, 2.35rem);
    font-weight: 800;
    color: var(--primary-color);
    line-height: 1.1;
}

.zbcffbstat-label {
    font-size: clamp(0.75rem, 1.8vw, 0.88rem);
    color: var(--text-muted);
    line-height: 1.35;
    max-width: 11rem;
    overflow-wrap: anywhere;
    word-break: break-word;
}

/* —— 下载区：板状 —— */
.zbcffbdownload-section {
    padding: var(--section-pad-y) 0;
    background: var(--surface-elevated);
}

.zbcffbdl-slab {
    height: 100%;
    border: var(--border-card);
    border-left: var(--accent-bar-width) solid var(--primary-color);
    border-radius: var(--radius-card);
    padding: 1.35rem 1.4rem 1.4rem;
    background: var(--surface);
    box-sizing: border-box;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    box-shadow: var(--shadow-soft);
    overflow: hidden;
}

.zbcffbdl-slab--accent {
    border-left-color: var(--accent-color);
}

.zbcffbdl-tag {
    display: inline-block;
    font-size: 0.65rem;
    font-weight: 800;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--primary-dark);
    margin-bottom: 0.35rem;
}

.zbcffbdl-list {
    margin: 0;
    padding-left: 1.1rem;
    color: var(--text-muted);
    font-size: 0.9rem;
    line-height: 1.55;
    flex: 1;
}

.zbcffbdl-list li {
    margin-bottom: 0.35rem;
}

.zbcffbdl-slab-head .small {
    word-break: break-word;
}

.zbcffbdl-footnote {
    text-align: center;
    font-size: 0.85rem;
    color: var(--text-muted);
    margin: 1.5rem 0 0;
    max-width: 40rem;
    margin-left: auto;
    margin-right: auto;
    word-break: break-word;
}
.zbcffbguide-section {
    padding: var(--section-pad-y) 0;
    background: var(--gray-100);
    border-top: var(--border-card);
}

.zbcffbtimeline {
    position: relative;
    padding-left: 0.5rem;
}

.zbcffbtimeline::before {
    content: "";
    position: absolute;
    left: 11px;
    top: 0.5rem;
    bottom: 0.5rem;
    width: 2px;
    background: var(--border-subtle);
}

.zbcffbtimeline-item {
    position: relative;
    padding-left: 2.25rem;
    margin-bottom: 1.5rem;
}

.zbcffbtimeline-item:last-child {
    margin-bottom: 0;
}

.zbcffbtimeline-marker {
    position: absolute;
    left: 0;
    top: 0.35rem;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: var(--surface-elevated);
    border: 2px solid var(--primary-color);
    box-shadow: 0 0 0 2px var(--gray-100);
    z-index: 1;
    box-sizing: border-box;
}

.zbcffbtimeline-card {
    background: var(--surface-elevated);
    border: var(--border-card);
    border-radius: var(--radius-card);
    padding: 1.25rem 1.35rem;
    box-sizing: border-box;
    overflow: hidden;
}

.zbcffbtimeline-card h3 {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--secondary-color);
    margin-bottom: 0.65rem;
    overflow-wrap: anywhere;
    word-break: break-word;
}

.zbcffbtimeline-label {
    display: inline-block;
    font-size: 0.7rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    color: var(--primary-dark);
    margin-right: 0.35rem;
}

.zbcffbtimeline-card ol,
.zbcffbtimeline-card ul {
    padding-left: 1.1rem;
    margin: 0;
    color: var(--text-muted);
    font-size: 0.93rem;
}

.zbcffbtimeline-card li {
    margin-bottom: 0.4rem;
}

/* —— 安全区：文本柱 —— */
.zbcffbsecurity-section {
    padding: var(--section-pad-y) 0;
    background: var(--surface);
}

.zbcffbsec-pillar {
    height: 100%;
    background: var(--surface-elevated);
    border: var(--border-card);
    border-top: var(--accent-bar-width) solid var(--primary-color);
    border-radius: var(--radius-card);
    padding: 1.25rem 1.2rem;
    box-sizing: border-box;
    box-shadow: var(--shadow-soft);
    overflow: hidden;
}

.zbcffbsec-pillar h3 {
    font-size: 1rem;
    font-weight: 800;
    color: var(--secondary-color);
    margin-bottom: 0.75rem;
    letter-spacing: -0.02em;
    overflow-wrap: anywhere;
    word-break: break-word;
}

.zbcffbsec-pillar ul {
    margin: 0;
    padding-left: 1rem;
    color: var(--text-muted);
    font-size: 0.88rem;
    line-height: 1.55;
    overflow-wrap: anywhere;
    word-break: break-word;
}

.zbcffbsec-pillar li {
    margin-bottom: 0.35rem;
}

.zbcffbcred-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1px;
    padding: 0;
    border: var(--border-card);
    border-radius: var(--radius-card);
    overflow: hidden;
    background: var(--border-inner);
}

@media (min-width: 768px) {
    .zbcffbcred-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.zbcffbcred-cell {
    padding: 1.15rem 1.2rem;
    box-sizing: border-box;
    background: var(--surface-elevated);
    border: none;
}

.zbcffbcred-cell strong {
    display: block;
    font-size: 0.9rem;
    color: var(--primary-dark);
    margin-bottom: 0.35rem;
}

.zbcffbcred-cell p {
    margin: 0;
    font-size: 0.82rem;
    color: var(--text-muted);
    line-height: 1.5;
}

/* —— FAQ：行间 —— */
.zbcffbfaq-stack {
    border: var(--border-card);
    border-radius: var(--radius-card);
    overflow: hidden;
    background: var(--surface-elevated);
}

.zbcffbfaq-row {
    padding: 1.15rem 1.35rem;
    border-bottom: 1px solid var(--border-inner);
    box-sizing: border-box;
}

.zbcffbfaq-row:last-child {
    border-bottom: none;
}

.zbcffbfaq-row h3 {
    font-size: 0.98rem;
    font-weight: 800;
    color: var(--secondary-color);
    margin-bottom: 0.45rem;
    overflow-wrap: anywhere;
    word-break: break-word;
}

.zbcffbfaq-row p {
    margin: 0;
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.65;
    overflow-wrap: anywhere;
    word-break: break-word;
}

/* —— 文章区 —— */
.zbcffbarticle-band {
    background: var(--gray-100);
    border-top: var(--border-card);
}

.zbcffbarticle-band-title {
    letter-spacing: -0.02em;
    font-weight: 800;
}

.zbcffbarticle-card {
    border-radius: var(--radius-card) !important;
    border: var(--border-card) !important;
    transition: box-shadow var(--transition-speed);
}

.zbcffbarticle-card:hover {
    box-shadow: var(--shadow-hover) !important;
}

#article .card {
    border: var(--border-card);
    border-radius: var(--radius-card);
    overflow: hidden;
    box-shadow: var(--shadow-soft);
    box-sizing: border-box;
}

#article .card:hover {
    box-shadow: var(--shadow-hover);
}

section#faq.bg-white,
.zbcffbfaq-band {
    border-top: var(--border-card);
    background: var(--surface-elevated) !important;
}

/* —— 页脚 —— */
.zbcffbfooter {
    background: var(--secondary-color);
    padding: 2.75rem 0 1.35rem;
    color: #a1a1aa;
}

.zbcffbfooter .zbcffbfooter-title {
    color: #f4f4f5;
}

.zbcffbfooter-link {
    color: #a1a1aa;
}

.zbcffbfooter-link:hover {
    color: var(--accent-color);
}

.zbcffbfooter-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding-top: 1.35rem;
}

.zbcffbfooter-bottom a {
    color: #d4d4d8;
}

.zbcffbfooter-bottom a:hover {
    color: var(--accent-color);
}

/* —— 子页内容区 —— */
.zbcffbpage-shell {
    padding: clamp(2rem, 4vw, 3rem) 0;
    background: var(--surface);
    min-height: 50vh;
}

.zbcffbpage-shell .card {
    border: var(--border-card);
    border-radius: var(--radius-card);
    overflow: hidden;
    box-sizing: border-box;
    min-width: 0;
}

.zbcffbpage-shell aside li.d-flex > a + a {
    min-width: 0;
    flex: 1 1 auto;
    align-self: flex-start;
    overflow-wrap: anywhere;
    word-break: break-word;
    line-height: 1.45;
}

.zbcffbpage-shell .card.shadow-sm {
    box-shadow: var(--shadow-soft) !important;
}

.zbcffbpage-shell aside a {
    color: var(--primary-dark);
    text-decoration: none;
}

.zbcffbpage-shell aside a:hover {
    text-decoration: underline;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark)) !important;
    border: none !important;
}

.btn-outline-primary {
    color: var(--primary-dark) !important;
    border-color: var(--primary-color) !important;
}

.btn-outline-primary:hover {
    background: var(--primary-color) !important;
    color: #fff !important;
}

input:focus,
select:focus,
textarea:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(var(--primary-rgb), 0.22);
}

.zbcffbsidebar-title {
    color: var(--secondary-color);
    font-weight: 700;
    font-size: 1rem;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--border-subtle);
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(12px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.zbcffbhero-copy,
.zbcffbfeat-band,
.zbcffbdl-slab,
.zbcffbfaq-stack {
    animation: fadeIn 0.55s var(--transition-easing) forwards;
}

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

.navbar-toggler {
    border: none;
    padding: 0.5rem;
}

.navbar-collapse {
    background: rgba(255, 255, 255, 0.98);
    padding: 0.65rem;
    border-radius: var(--radius-card);
    margin-top: 0.5rem;
    border: var(--border-card);
    box-sizing: border-box;
}

.zbcffbnavbar.zbcffbbn-navbar .navbar-collapse {
    background: rgba(15, 19, 26, 0.98);
    border: 1px solid #2a323d;
    color: #eef2f6;
}

@media (min-width: 992px) {
    .navbar-collapse {
        background: transparent;
        border: none;
        padding: 0;
        margin-top: 0;
    }

    .zbcffbnavbar.zbcffbbn-navbar .navbar-collapse {
        background: transparent !important;
        border: none !important;
    }
}

.pagebar .pagelist {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.5rem;
    list-style: none;
    padding-left: 0;
    margin: 0;
}

.pagebar .pagelist li {
    display: inline-flex;
    margin: 0;
}

.zbcffbthumb-home {
    border-radius: var(--radius-card) var(--radius-card) 0 0;
}

.zbcffbfriend-links {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem 1rem;
    list-style: none;
    padding: 0;
    margin: 0.5rem 0 0;
}

.zbcffbfriend-links li {
    display: inline;
}

.zbcffbfriend-links a {
    color: #a1a1aa;
    text-decoration: none;
}

.zbcffbfriend-links a:hover {
    color: var(--accent-color);
}

.zbcffbarticle-content {
    line-height: 1.75;
    word-break: break-word;
    overflow-wrap: anywhere;
    max-width: 100%;
}

.zbcffbarticle-content img {
    max-width: 100%;
    height: auto;
}

.zbcffbarticle-content table {
    display: block;
    width: 100%;
    max-width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    border-collapse: collapse;
}

.zbcffbarticle-content pre,
.zbcffbarticle-content code {
    max-width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.zbcffbarticle-content iframe,
.zbcffbarticle-content video {
    max-width: 100%;
}

.zbcffbdiyfield {
    font-size: 0.95rem;
    color: var(--text-muted);
}

.zbcffbmeta-tags {
    padding-left: 0;
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
}

.zbcffbmeta-tags .list-inline-item {
    margin-right: 0 !important;
    display: inline-block;
}

.zbcffbtagitem a {
    display: inline-block;
    padding: 0.25rem 0.6rem;
    border-radius: 999px;
    background: rgba(var(--primary-rgb), 0.12);
    color: var(--primary-dark);
    text-decoration: none;
    font-size: 0.85rem;
}

.zbcffbtagitem a:hover {
    background: rgba(var(--primary-rgb), 0.22);
}

.zbcffbpages .pagelist a {
    color: var(--primary-dark);
}

@media (max-width: 991px) {
    .zbcffbhero-buttons .btn {
        flex: 1 1 auto;
        min-width: 0;
    }
}

@media (max-width: 767px) {
    .zbcffbnavbar {
        padding: 0.45rem 0;
    }

    .zbcffbnavbar .navbar-collapse {
        max-height: min(72vh, 520px);
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
    }

    .zbcffbprose-section .lead:first-child {
        margin-bottom: 1rem;
    }

    .zbcffbprose-columns {
        column-count: 1;
    }

    .zbcffbnavbar .navbar-nav .nav-link {
        padding: 0.55rem 0.65rem !important;
        font-size: 0.9375rem;
        min-height: 2.75rem;
        display: flex;
        align-items: center;
    }

    .zbcffbprose-section .lead {
        text-align: left;
        font-size: 0.9375rem;
        line-height: 1.7;
        max-width: none;
    }

    .zbcffbsection-head {
        text-align: left;
        margin-bottom: 1.65rem;
    }

    .zbcffbstats-section .zbcffbsection-head {
        text-align: center;
    }

    .zbcffbsection-head p {
        font-size: 0.9rem;
        line-height: 1.6;
    }

    .zbcffbsection-head--rail {
        flex-direction: column;
        gap: 0.65rem;
    }

    .zbcffbsection-rail {
        width: 100%;
        height: var(--accent-bar-width);
        flex: 0 0 auto;
        margin-top: 0;
        align-self: stretch;
    }

    .zbcffbfeat-band {
        grid-template-columns: 1fr;
        gap: 0.35rem 0;
        padding: 1.1rem 0;
    }

    .zbcffbhero-copy {
        padding-left: calc(env(safe-area-inset-left, 0px) + var(--accent-bar-width) + 0.65rem);
    }

    .zbcffbhero-title {
        font-size: clamp(1.55rem, 6.5vw, 2.35rem);
        line-height: 1.12;
    }

    .zbcffbsection-head h2 {
        font-size: clamp(1.2rem, 5vw, 1.55rem);
    }

    .zbcffbfeat-num {
        font-size: 1.45rem;
        line-height: 1.1;
    }

    .zbcffbnote-rail {
        padding: 1.05rem 1rem;
    }

    .zbcffbtimeline-item {
        padding-left: 1.85rem;
    }

    .zbcffbtimeline-marker {
        top: 0.4rem;
    }

    .zbcffbhero-section {
        padding-top: clamp(2.25rem, 7vw, 3.5rem);
        padding-bottom: clamp(2.5rem, 8vw, 3.75rem);
    }

    .zbcffbhero-subtitle {
        font-size: 0.95rem;
        margin-bottom: 1rem;
    }

    .zbcffbhero-abstract {
        font-size: 0.88rem;
    }

    .zbcffbhero-frame-inner {
        transform: none;
    }

    .zbcffbhero-buttons {
        flex-direction: column;
    }

    .zbcffbhero-buttons .btn {
        width: 100%;
    }

    .zbcffbhero-buttons .btn-lg {
        --bs-btn-padding-y: 0.5rem;
        --bs-btn-padding-x: 1rem;
        font-size: 0.9375rem;
        min-height: 2.75rem;
    }

    .zbcffbhero-buttons .btn {
        min-height: 2.75rem;
    }

    .zbcffbhero-meta {
        grid-template-columns: 1fr;
    }

    .zbcffbstat-cell {
        padding: 0.85rem 0.5rem;
    }

    .zbcffbstat-label {
        max-width: none;
        font-size: 0.72rem;
    }

    .zbcffbstat-number {
        font-size: clamp(1.35rem, 5.5vw, 1.8rem);
    }

    .zbcffbtimeline-card {
        padding: 1rem 1.05rem;
    }

    .zbcffbfaq-row {
        padding: 1rem 1.05rem;
    }

    .zbcffbdl-slab {
        padding: 1.1rem 1.15rem 1.15rem;
    }

    .zbcffbdl-slab .btn {
        width: 100%;
    }

    .zbcffbfooter {
        padding: 2rem 0 1.15rem;
    }

    .zbcffbfooter-bottom p.small.mb-2 {
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        align-items: center;
        column-gap: 0.35rem;
        row-gap: 0.4rem;
    }

    .zbcffbfooter-bottom p.small.mb-2 > span {
        opacity: 0.45;
        flex: 0 0 auto;
    }

    .zbcffbpage-shell {
        padding-top: 1.5rem !important;
        padding-bottom: 2rem !important;
    }

    .zbcffbpage-shell h1.h3 {
        font-size: clamp(1.05rem, 4.5vw, 1.35rem);
        line-height: 1.35;
        word-break: break-word;
    }

    .zbcffbpage-shell header .small {
        display: flex;
        flex-wrap: wrap;
        gap: 0.35rem 0.75rem;
        row-gap: 0.25rem;
    }

    #article .card-body {
        padding: 0.8rem;
    }

    #article .zbcffbthumb-home {
        height: 100px !important;
    }

    #article h3.h5,
    #article .card-body h3.h6,
    #article .card-body h3 {
        font-size: 0.95rem;
        line-height: 1.4;
        margin-bottom: 0;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }

    .listbox .e2 li {
        padding-bottom: 0.75rem !important;
        margin-bottom: 0.75rem !important;
    }

    .listbox .e2 li h2.h5 {
        font-size: 1rem;
        margin-bottom: 0.35rem;
        line-height: 1.35;
        word-break: break-word;
    }

    .listbox .e2 li p {
        font-size: 0.9rem;
        line-height: 1.5;
    }

    .zbcffbthumb-list,
    .zbcffbthumb-related {
        height: 72px !important;
    }

    .zbcffbthumb-side {
        height: 50px !important;
    }

    .zbcffbthumb-cover {
        max-width: 100% !important;
        width: 100%;
        height: 170px !important;
        margin: 0 auto;
    }
}

@media (max-width: 575px) {
    .zbcffbhome-band,
    .zbcffbprose-section,
    .zbcffbstats-section,
    .zbcffbdownload-section,
    .zbcffbguide-section,
    .zbcffbsecurity-section {
        --section-pad-y: clamp(2rem, 5vw, 3.25rem);
    }

    #article .zbcffbthumb-home {
        height: 92px !important;
    }

    .zbcffbthumb-list,
    .zbcffbthumb-related {
        height: 64px !important;
    }

    .zbcffbthumb-side {
        height: 46px !important;
    }

    .zbcffbthumb-cover {
        height: 150px !important;
    }

    .pagebar .pagelist {
        gap: 0.35rem;
    }

    .zbcffbhero-eyebrow {
        font-size: 0.68rem;
        letter-spacing: 0.1em;
        line-height: 1.35;
    }

    .zbcffbfooter-bottom {
        font-size: 0.8125rem;
    }

    .zbcffbhero-meta dd {
        font-size: 0.78rem;
    }
}

/* ========= 首页 · 深色币安风壳（仅 index_article + body.zbcffbbn-home）========= */
body.zbcffbbn-home {
    margin: 0;
    min-height: 100vh;
    background: #090c10;
    color: #eef2f6;
}

.zbcffbbn-wrap {
    --bn-bg: #090c10;
    --bn-surface: #12181f;
    --bn-elev: #171f2a;
    --bn-border: #2a323d;
    --bn-line: 1px solid var(--bn-border);
    --bn-text: #eef2f6;
    --bn-muted: #8b95a5;
    --bn-accent: #7df9ff;
    --bn-accent-soft: rgba(125, 249, 255, 0.14);
    --bn-section-pad: clamp(2.5rem, 5vw, 4rem);
    --bn-radius: 8px;
    --bn-radius-lg: 10px;
    --bn-radius-sm: 6px;
    background: var(--bn-bg);
    color: var(--bn-text);
    overflow-x: hidden;
}

.zbcffbbn-navbar {
    background: rgba(9, 12, 16, 0.92) !important;
    border-bottom: 1px solid #2a323d;
    backdrop-filter: blur(12px);
}

.zbcffbbn-wrap .zbcffbnav-link {
    color: var(--bn-muted) !important;
    font-weight: 500;
    font-size: 0.9rem;
}

.zbcffbbn-wrap .zbcffbnav-link:hover,
.zbcffbbn-wrap .zbcffbnav-link:focus {
    color: var(--bn-accent) !important;
}

.zbcffbbn-brand img {
    filter: brightness(1.15) contrast(1.05);
}

.zbcffbbn-hero {
    position: relative;
    padding: clamp(2.5rem, 6vw, 5rem) 0 clamp(2rem, 4vw, 3rem);
    padding-left: max(0.75rem, env(safe-area-inset-left));
    padding-right: max(0.75rem, env(safe-area-inset-right));
}

.zbcffbbn-hero-grid {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 80% 55% at 15% 20%, rgba(125, 249, 255, 0.09), transparent 55%),
        radial-gradient(ellipse 60% 45% at 85% 30%, rgba(125, 249, 255, 0.05), transparent 50%),
        linear-gradient(180deg, #0c1018 0%, var(--bn-bg) 100%);
    pointer-events: none;
}

.zbcffbbn-kicker {
    font-size: 0.72rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--bn-accent);
    margin-bottom: 0.75rem;
    font-weight: 600;
}

.zbcffbbn-hero-title {
    font-size: clamp(1.75rem, 4.2vw, 2.65rem);
    font-weight: 700;
    line-height: 1.15;
    letter-spacing: -0.02em;
    margin-bottom: 0.75rem;
}

.zbcffbbn-hero-lead {
    color: var(--bn-muted);
    font-size: 1rem;
    line-height: 1.55;
    margin-bottom: 0.75rem;
    max-width: 36rem;
}

.zbcffbbn-hero-copy {
    font-size: 0.92rem;
    line-height: 1.65;
    color: #b8c0cc;
    margin-bottom: 1.25rem;
    max-width: 38rem;
    overflow-wrap: anywhere;
    word-break: break-word;
}

.zbcffbbn-hero-actions .zbcffbbn-btn {
    min-height: 2.75rem;
    padding-inline: 1.15rem;
}

.zbcffbbn-btn {
    border-radius: var(--bn-radius-sm);
    font-weight: 600;
    border: 1px solid transparent;
    transition: background 0.2s, color 0.2s, border-color 0.2s, box-shadow 0.2s;
    box-sizing: border-box;
}

.zbcffbbn-btn--primary {
    background: linear-gradient(135deg, #5ee5f0 0%, var(--bn-accent) 100%);
    color: #041018 !important;
    border-color: transparent;
    box-shadow: 0 0 0 1px rgba(125, 249, 255, 0.35);
}

.zbcffbbn-btn--primary:hover {
    filter: brightness(1.06);
    color: #041018 !important;
}

.zbcffbbn-btn--line {
    background: transparent;
    color: var(--bn-text) !important;
    border-color: var(--bn-border);
}

.zbcffbbn-btn--line:hover {
    border-color: var(--bn-accent);
    color: var(--bn-accent) !important;
}

.zbcffbbn-viz {
    background: var(--bn-elev);
    border: var(--bn-line);
    border-radius: var(--bn-radius-lg);
    padding: 1rem;
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.28);
    box-sizing: border-box;
}

.zbcffbbn-viz-img {
    display: block;
    width: 100%;
    height: auto;
    border-radius: var(--bn-radius);
    object-fit: contain;
}

.zbcffbbn-viz-cap {
    font-size: 0.75rem;
    color: var(--bn-muted);
    margin: 0.75rem 0 0;
    line-height: 1.45;
}

.zbcffbbn-ticker {
    border-top: 1px solid var(--bn-border);
    border-bottom: 1px solid var(--bn-border);
    background: var(--bn-surface);
    padding: 0.65rem 0;
}

.zbcffbbn-ticker-inner {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem 0.65rem;
    justify-content: flex-start;
    align-items: center;
}

.zbcffbbn-chip {
    display: inline-flex;
    align-items: center;
    font-size: 0.78rem;
    color: var(--bn-muted);
    padding: 0.35rem 0.65rem;
    border-radius: 999px;
    background: var(--bn-elev);
    border: var(--bn-line);
    white-space: normal;
    overflow-wrap: anywhere;
    max-width: 100%;
    box-sizing: border-box;
}

.zbcffbbn-section {
    padding: var(--bn-section-pad) 0;
    background: var(--bn-bg);
}

.zbcffbbn-section--alt {
    background: var(--bn-surface);
}

.zbcffbbn-section--articles {
    background: linear-gradient(180deg, var(--bn-surface) 0%, var(--bn-bg) 100%);
    border-top: var(--bn-line);
}

.zbcffbbn-sechead {
    margin-bottom: 1.5rem;
    max-width: 46rem;
}

.zbcffbbn-sechead--tight {
    margin-bottom: 1rem;
}

.zbcffbbn-sechead h2 {
    font-size: clamp(1.25rem, 2.5vw, 1.6rem);
    font-weight: 700;
    margin-bottom: 0.5rem;
    overflow-wrap: anywhere;
    word-break: break-word;
}

.zbcffbbn-sechead p {
    color: var(--bn-muted);
    margin: 0;
    line-height: 1.6;
    overflow-wrap: anywhere;
    word-break: break-word;
}

.zbcffbbn-tile {
    background: var(--bn-elev);
    border: var(--bn-line);
    border-radius: var(--bn-radius);
    padding: 1.25rem 1.25rem 1.35rem;
    transition: border-color 0.2s, box-shadow 0.2s;
    box-sizing: border-box;
    min-width: 0;
}

.zbcffbbn-tile:hover {
    border-color: rgba(125, 249, 255, 0.35);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.25);
}

.zbcffbbn-tile-ic {
    width: 2.5rem;
    height: 2.5rem;
    border-radius: var(--bn-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bn-accent-soft);
    color: var(--bn-accent);
    margin-bottom: 0.85rem;
    font-size: 1rem;
}

.zbcffbbn-tile h3 {
    color: var(--bn-text);
    margin-bottom: 0.5rem;
    overflow-wrap: anywhere;
    word-break: break-word;
}

.zbcffbbn-tile p {
    color: var(--bn-muted);
}

.zbcffbbn-panel {
    background: var(--bn-elev);
    border: var(--bn-line);
    border-radius: var(--bn-radius);
    padding: 1.25rem 1.35rem;
    height: 100%;
    position: relative;
    overflow: hidden;
    box-sizing: border-box;
    min-width: 0;
}

.zbcffbbn-panel-tag {
    position: absolute;
    top: 0.85rem;
    right: 1rem;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    color: var(--bn-accent);
    opacity: 0.9;
}

.zbcffbbn-panel h3 {
    color: var(--bn-text);
    margin-bottom: 0.65rem;
    padding-right: 2rem;
}

.zbcffbbn-list {
    margin: 0;
    padding-left: 1.1rem;
    color: var(--bn-muted);
}

.zbcffbbn-list li + li {
    margin-top: 0.35rem;
}

.zbcffbbn-metrics {
    padding: var(--bn-section-pad) 0;
    background: var(--bn-bg);
    border-top: var(--bn-line);
    border-bottom: var(--bn-line);
}

.zbcffbbn-mgrid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1px;
    border: var(--bn-line);
    border-radius: var(--bn-radius);
    overflow: hidden;
    background: var(--bn-border);
    box-sizing: border-box;
}

.zbcffbbn-mcell {
    padding: 1.1rem 0.85rem;
    text-align: center;
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
    align-items: center;
    justify-content: center;
    background: var(--bn-surface);
    min-width: 0;
    box-sizing: border-box;
}

.zbcffbbn-mnum {
    font-size: clamp(1.15rem, 2.8vw, 1.65rem);
    font-weight: 700;
    color: var(--bn-accent);
    line-height: 1.1;
}

.zbcffbbn-mlab {
    font-size: 0.75rem;
    color: var(--bn-muted);
    line-height: 1.35;
    max-width: min(12rem, 100%);
}

.zbcffbbn-dlcard {
    background: var(--bn-elev);
    border: var(--bn-line);
    border-radius: var(--bn-radius);
    padding: 1.35rem 1.4rem 1.4rem;
    height: 100%;
    box-sizing: border-box;
    min-width: 0;
}

.zbcffbbn-dlcard--accent {
    border: 1px solid rgba(125, 249, 255, 0.32);
    box-shadow: none;
}

.zbcffbbn-dltag {
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--bn-accent);
}

.zbcffbbn-muted {
    color: var(--bn-muted) !important;
}

.zbcffbbn-dlfoot {
    color: var(--bn-muted);
    overflow-wrap: anywhere;
    word-break: break-word;
}

.zbcffbbn-mini {
    background: var(--bn-elev);
    border: var(--bn-line);
    border-radius: var(--bn-radius);
    padding: 1rem 1rem 1.1rem;
    height: 100%;
    box-sizing: border-box;
    min-width: 0;
}

.zbcffbbn-mini h3 {
    color: var(--bn-text);
    overflow-wrap: anywhere;
    word-break: break-word;
}

.zbcffbbn-mini p {
    color: var(--bn-muted);
}

.zbcffbbn-badge {
    background: var(--bn-elev);
    border: var(--bn-line);
    border-radius: var(--bn-radius);
    padding: 0.85rem 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
    height: 100%;
    box-sizing: border-box;
    min-width: 0;
}

.zbcffbbn-badge strong {
    color: var(--bn-accent);
    font-size: 0.85rem;
}

.zbcffbbn-badge span {
    font-size: 0.75rem;
    color: var(--bn-muted);
    line-height: 1.4;
}

.zbcffbbn-faq {
    display: grid;
    gap: 0.65rem;
}

@media (min-width: 768px) {
    .zbcffbbn-faq {
        grid-template-columns: 1fr 1fr;
    }
}

.zbcffbbn-faq-item {
    background: var(--bn-elev);
    border: var(--bn-line);
    border-radius: var(--bn-radius);
    padding: 1rem 1.15rem;
    box-sizing: border-box;
    min-width: 0;
}

.zbcffbbn-faq-item h3 {
    color: var(--bn-text);
    margin-bottom: 0.45rem;
    overflow-wrap: anywhere;
    word-break: break-word;
}

.zbcffbbn-faq-item p {
    color: var(--bn-muted);
}

.zbcffbbn-arttitle {
    color: var(--bn-text);
    overflow-wrap: anywhere;
    word-break: break-word;
}

.zbcffbbn-article-card {
    background: var(--bn-elev);
    border: var(--bn-line) !important;
    border-radius: var(--bn-radius);
    overflow: hidden;
    transition: border-color 0.2s, transform 0.2s;
    box-sizing: border-box;
    min-width: 0;
}

.zbcffbbn-article-card:hover {
    border-color: rgba(125, 249, 255, 0.35) !important;
    transform: translateY(-2px);
}

.zbcffbbn-thumb {
    height: 120px;
    width: 100%;
    object-fit: cover;
}

.zbcffbbn-article-link {
    color: var(--bn-text) !important;
}

.zbcffbbn-article-link:hover {
    color: var(--bn-accent) !important;
}

.zbcffbbn-footer {
    background: #07090d !important;
    border-top: var(--bn-line);
    color: var(--bn-muted);
}

.zbcffbbn-footer .zbcffbfooter-title,
.zbcffbbn-footer .footer-title {
    color: var(--bn-text) !important;
}

.zbcffbbn-footer .zbcffbfooter-link,
.zbcffbbn-footer .footer-link {
    color: var(--bn-muted) !important;
}

.zbcffbbn-footer .zbcffbfooter-link:hover,
.zbcffbbn-footer .footer-link:hover {
    color: var(--bn-accent) !important;
}

.zbcffbbn-footer .zbcffbfriend-links a,
.zbcffbbn-footer .friend-links a {
    color: var(--bn-muted) !important;
}

.zbcffbbn-footer .zbcffbfriend-links a:hover,
.zbcffbbn-footer .friend-links a:hover {
    color: var(--bn-accent) !important;
}

.zbcffbbn-footlogo {
    filter: brightness(1.12);
}

.zbcffbbn-footmuted {
    color: var(--bn-muted) !important;
}

.zbcffbbn-footer .zbcffbfooter-bottom a {
    color: var(--bn-text) !important;
}

.zbcffbbn-footer .zbcffbfooter-bottom a:hover {
    color: var(--bn-accent) !important;
}

.zbcffbbn-sep {
    color: var(--bn-border) !important;
}

@media (max-width: 991px) {
    .zbcffbbn-mgrid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .zbcffbbn-hero-actions .zbcffbbn-btn {
        flex: 1 1 auto;
        min-width: 0;
        max-width: 100%;
    }
}

@media (max-width: 767px) {
    .zbcffbnavbar.zbcffbbn-navbar .navbar-nav {
        padding-top: 0.5rem;
        padding-bottom: 0.5rem;
    }

    .zbcffbnavbar.zbcffbbn-navbar .nav-link {
        padding-top: 0.55rem !important;
        padding-bottom: 0.55rem !important;
    }

    .zbcffbbn-mgrid {
        grid-template-columns: 1fr;
    }

    .zbcffbbn-thumb {
        height: 100px;
    }

    .zbcffbbn-footer .footer-bottom p.small.mb-2 {
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        align-items: center;
        column-gap: 0.35rem;
        row-gap: 0.35rem;
        padding-inline: 0.35rem;
    }

    .zbcffbbn-section--articles .d-flex.flex-column.flex-md-row {
        align-items: stretch !important;
    }

    .zbcffbbn-section--articles .d-flex .zbcffbbn-btn {
        align-self: flex-start;
        max-width: 100%;
    }
}

@media (max-width: 575px) {
    .zbcffbbn-wrap {
        --bn-section-pad: clamp(1.75rem, 5vw, 2.75rem);
    }

    .zbcffbbn-kicker {
        font-size: 0.65rem;
        letter-spacing: 0.1em;
        line-height: 1.4;
    }

    .zbcffbbn-hero-title {
        font-size: clamp(1.45rem, 6.5vw, 2rem);
    }

    .zbcffbbn-hero-lead {
        font-size: 0.9375rem;
    }

    .zbcffbbn-hero {
        padding-top: clamp(1.75rem, 5vw, 3rem);
        padding-bottom: clamp(1.25rem, 4vw, 2rem);
    }

    .zbcffbbn-viz {
        padding: 0.75rem;
    }

    .zbcffbbn-mcell {
        padding: 0.95rem 0.65rem;
    }

    .zbcffbbn-footer .row > .col-6 {
        flex: 0 0 100%;
        max-width: 100%;
    }

    .zbcffbbn-chip {
        font-size: 0.72rem;
    }

    .zbcffbbn-hero-actions {
        flex-direction: column;
    }

    .zbcffbbn-hero-actions .zbcffbbn-btn {
        width: 100%;
        min-width: 0;
    }
}