:root {
    --bs-primary: #f0b429;
    --bs-primary-rgb: 240, 180, 41;
    --primary-color: #f0b429;
    --primary-dark: #c89412;
    --secondary-color: #0b0e11;
    --accent-color: #2ee6a8;
    --surface: #f5f5f5;
    --surface-elevated: #ffffff;
    --text-color: #1e2329;
    --text-muted: #5e6673;
    --border-subtle: rgba(30, 35, 41, 0.12);
    --border-inner: rgba(30, 35, 41, 0.09);
    --border-1: 1px solid var(--border-subtle);
    --border-divider: 1px solid var(--border-inner);
    --border-dark: 1px solid var(--nav-border);
    --border-accent-w: 3px;
    --gray-100: #fafafa;
    --gray-200: #eaecef;
    --transition-speed: 0.22s;
    --transition-easing: cubic-bezier(0.4, 0, 0.2, 1);
    --radius-card: 8px;
    --radius-inner: 4px;
    --shadow-soft: 0 4px 12px rgba(11, 14, 17, 0.06);
    --shadow-hover: 0 8px 24px rgba(11, 14, 17, 0.1);
    --nav-bg: #181a20;
    --nav-border: #2b3139;
}

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);
}

/* Bootstrap 栅格 + 卡片 hover 位移时防止撑出视口 */
.container .row > [class*="col-"] {
    min-width: 0;
}

/* —— 导航：深色顶栏（类 Binance） —— */
.z869banavbar {
    background: var(--nav-bg);
    border-bottom: 1px solid var(--nav-border);
    box-shadow: none;
    padding: 0.55rem 0;
}

.z869banavbar-brand img {
    height: 44px;
}

.z869banav-link {
    color: #eaecef !important;
    font-weight: 500;
    padding: 0.5rem 0.85rem !important;
    border-radius: var(--radius-inner);
    transition: color var(--transition-speed), background var(--transition-speed);
    white-space: normal;
    word-break: break-word;
}

.z869banav-link:hover {
    color: var(--primary-color) !important;
    background: rgba(240, 180, 41, 0.1);
}

/* —— 英雄区：深色顶带 + 金色 CTA（首页 Apex） —— */
.z869bahero-section.z869bahero--apex {
    background: #0b0e11;
    color: #eaecef;
    padding: clamp(3rem, 8vw, 5.5rem) 0;
    position: relative;
    overflow-x: clip;
    overflow-y: visible;
}

.z869bahero--apex::before {
    content: "";
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 80% 55% at 100% 0%, rgba(240, 180, 41, 0.18), transparent 50%),
        radial-gradient(ellipse 60% 50% at 0% 100%, rgba(46, 230, 168, 0.12), transparent 45%);
    pointer-events: none;
}

.z869bahero--apex::after {
    content: "";
    position: absolute;
    inset: 0;
    opacity: 0.04;
    background-image: linear-gradient(rgba(255, 255, 255, 0.4) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.4) 1px, transparent 1px);
    background-size: 56px 56px;
    pointer-events: none;
}

.z869bahero--apex__inner {
    position: relative;
    z-index: 1;
}

.z869bahero--apex .z869bahero-content {
    position: relative;
    z-index: 1;
}

.z869bahero-apex-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: #848e9c;
    margin-bottom: 1rem;
}

.z869bahero-apex-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: linear-gradient(135deg, #fcd535, #f0b429);
    box-shadow: 0 0 12px rgba(240, 180, 41, 0.55);
}

.z869bahero--apex .z869bahero-title {
    font-size: clamp(1.85rem, 4.5vw, 3rem);
    font-weight: 800;
    margin-bottom: 1rem;
    line-height: 1.1;
    letter-spacing: -0.025em;
    color: #f5f5f5;
}

.z869bahero--apex .z869bahero-subtitle {
    font-size: clamp(0.95rem, 1.9vw, 1.15rem);
    margin-bottom: 1.15rem;
    max-width: 36rem;
    color: #b7bdc6;
    line-height: 1.6;
}

.z869bahero-lede {
    color: rgba(234, 236, 239, 0.82);
    line-height: 1.65;
    max-width: 38rem;
}

.z869bahero-apex-panel {
    border: var(--border-dark);
    border-radius: var(--radius-card);
    overflow: clip;
    background: #181a20;
    box-shadow: 0 12px 36px rgba(0, 0, 0, 0.28);
    box-sizing: border-box;
}

.z869bahero-apex-panel__meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
    padding: 0.55rem 1rem;
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: #848e9c;
    border-bottom: var(--border-dark);
}

.z869bahero-apex-panel__frame {
    padding: 1rem 1rem 1.15rem;
    background: linear-gradient(180deg, #1e2329 0%, #181a20 100%);
    box-sizing: border-box;
}

.z869bahero--apex .z869bahero-image {
    width: 100%;
    max-width: 100%;
    display: block;
    border-radius: var(--radius-inner);
    border: none;
}

.z869babtn {
    font-weight: 600;
    border-radius: var(--radius-inner);
    transition: transform var(--transition-speed), box-shadow var(--transition-speed), filter var(--transition-speed);
}

.z869babtn-gold {
    background: linear-gradient(180deg, #fcd535 0%, #f0b429 100%) !important;
    color: #0b0e11 !important;
    border: none !important;
}

.z869babtn-gold:hover {
    filter: brightness(1.06);
    transform: translateY(-1px);
    box-shadow: 0 8px 20px rgba(240, 180, 41, 0.35);
}

.z869babtn-mint {
    background: linear-gradient(180deg, #3af0b0 0%, #2ee6a8 100%) !important;
    color: #0b0e11 !important;
    border: none !important;
}

.z869babtn-mint:hover {
    filter: brightness(1.05);
    transform: translateY(-1px);
    box-shadow: 0 8px 20px rgba(46, 230, 168, 0.3);
}

.z869babtn-outline-dark {
    background: transparent !important;
    color: #eaecef !important;
    border: 1px solid #474d57 !important;
}

.z869babtn-outline-dark:hover {
    border-color: #eaecef !important;
    background: rgba(234, 236, 239, 0.06) !important;
    color: #fff !important;
}

.z869bahero-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 0.65rem;
    margin-top: 0.5rem;
}

.z869bahero-buttons .btn {
    padding: 0.62rem 1.15rem;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

@media (max-width: 768px) {
    .z869bahero-buttons {
        flex-direction: column;
    }

    .z869bahero-buttons .btn {
        width: 100%;
    }
}

/* —— 首页：承上启下 —— */
.z869bahp-bridge {
    padding: clamp(2.25rem, 5vw, 3.5rem) 0;
    background: var(--surface-elevated);
    border-bottom: var(--border-1);
    overflow-x: clip;
}

.z869bahp-bridge__title {
    font-size: clamp(1.25rem, 2.5vw, 1.5rem);
    font-weight: 800;
    color: var(--secondary-color);
    margin-bottom: 0.75rem;
    letter-spacing: -0.02em;
}

.z869bahp-bridge__list li {
    position: relative;
    padding: 0.65rem 0 0.65rem 0;
    border-bottom: var(--border-divider);
    font-size: 0.92rem;
    color: var(--text-muted);
    line-height: 1.55;
}

.z869bahp-bridge__list li:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.z869bahp-bridge__list strong {
    color: var(--secondary-color);
    font-weight: 800;
    margin-right: 0.35rem;
}

.z869bahp-bridge__lead {
    color: var(--text-muted);
    font-size: clamp(0.95rem, 1.8vw, 1.05rem);
    line-height: 1.72;
}

/* —— 首页：分区标题 —— */
.z869bahp-zone__head {
    max-width: 40rem;
    margin-bottom: 2.25rem;
}

.z869bahp-eyebrow {
    font-size: 0.65rem;
    font-weight: 800;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: #2ee6a8;
    margin-bottom: 0.45rem;
}

.z869bahp-zone__title {
    font-weight: 800;
    color: var(--secondary-color);
    font-size: clamp(1.35rem, 3vw, 1.85rem);
    letter-spacing: -0.02em;
    margin-bottom: 0.5rem;
}

.z869bahp-zone__deck {
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 0;
}

/* —— 首页：产品矩阵 —— */
.z869bahp-zone {
    padding: clamp(2.75rem, 6vw, 4.25rem) 0;
    background: var(--surface);
    border-bottom: var(--border-1);
    overflow-x: clip;
}

.z869bahp-tile {
    border: var(--border-1);
    border-radius: var(--radius-card);
    background: var(--surface-elevated);
    padding: 1.5rem 1.35rem;
    box-shadow: var(--shadow-soft);
    transition: transform var(--transition-speed), box-shadow var(--transition-speed);
    box-sizing: border-box;
    min-width: 0;
    overflow: clip;
}

.z869bahp-tile:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}

.z869bahp-tile__icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-inner);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
    font-size: 1.15rem;
    color: #0b0e11;
    background: linear-gradient(135deg, #fcd535, #f0b429);
}

.z869bahp-tile h3 {
    font-weight: 700;
    color: var(--secondary-color);
    margin-bottom: 0.65rem;
}

/* —— 首页：开户步骤 —— */
.z869bahp-onboard {
    padding: clamp(2.5rem, 5.5vw, 4rem) 0;
    background: var(--surface-elevated);
    border-bottom: var(--border-1);
    overflow-x: clip;
}

.z869bahp-step {
    height: 100%;
    border: var(--border-1);
    border-radius: var(--radius-card);
    background: var(--gray-100);
    padding: 1.25rem 1.2rem;
    box-sizing: border-box;
    position: relative;
    min-width: 0;
    overflow: clip;
}

.z869bahp-step__num {
    display: inline-block;
    font-size: 0.72rem;
    font-weight: 800;
    letter-spacing: 0.12em;
    color: #0b0e11;
    background: linear-gradient(135deg, #fcd535, #f0b429);
    padding: 0.2rem 0.55rem;
    border-radius: var(--radius-inner);
    margin-bottom: 0.75rem;
}

.z869bahp-step h3 {
    color: var(--secondary-color);
    font-weight: 700;
    margin-bottom: 0.5rem;
}

/* —— 统计：深色 + 金色数字 —— */
.z869bastats-section.z869bastats--apex {
    background: #0b0e11;
    color: #eaecef;
    padding: clamp(2.5rem, 5vw, 3.5rem) 0;
    overflow-x: clip;
}

.z869bastats--apex .z869bastats-intro {
    color: #848e9c;
}

.z869bastats-apex-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1px;
    background: var(--nav-border);
    border: var(--border-dark);
    border-radius: var(--radius-card);
    overflow: clip;
    box-sizing: border-box;
}

.z869bastats-apex-cell {
    min-width: 0;
    padding: 1.2rem 0.75rem;
    text-align: center;
    background: #181a20;
    box-sizing: border-box;
}

.z869bastats--apex .z869bastat-number {
    color: #fcd535;
    font-weight: 800;
}

.z869bastats--apex .z869bastat-label {
    color: #848e9c;
    max-width: 13rem;
    margin-left: auto;
    margin-right: auto;
}

.z869bastats-intro {
    max-width: 48rem;
    overflow-wrap: anywhere;
}

@media (max-width: 767px) {
    .z869bastats-intro {
        font-size: 0.8125rem;
        line-height: 1.58;
    }

    .z869bastats--apex .z869bastat-label {
        max-width: none;
    }
}

@media (max-width: 991px) {
    .z869bastats-apex-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 575px) {
    .z869bastats-apex-grid {
        grid-template-columns: 1fr;
    }

    .z869bastats-apex-cell {
        padding: 1rem 0.85rem;
    }
}

/* —— 首页：下载卡片（背景由 .download-section.z869bahp-download 控制） —— */

.z869bahp-dlcard {
    border: var(--border-1);
    border-radius: var(--radius-card);
    background: var(--surface-elevated);
    padding: 1.35rem 1.35rem 1.4rem;
    box-shadow: var(--shadow-soft);
    box-sizing: border-box;
    min-width: 0;
    overflow: clip;
}

.z869bahp-dlcard__head {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 0.75rem;
}

.z869bahp-dlcard__badge {
    flex-shrink: 0;
    width: 52px;
    height: 52px;
    border-radius: var(--radius-inner);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.35rem;
    color: #fff;
    background: linear-gradient(135deg, #3b82f6, #1d4ed8);
}

.z869bahp-dlcard__badge--android {
    background: linear-gradient(135deg, #22c55e, #15803d);
}

.z869bahp-dlcard__hint {
    font-size: 0.72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: #848e9c;
}

.z869bahp-dlcard__list {
    list-style: none;
    padding-left: 0;
    margin: 0 0 1rem;
}

.z869bahp-dlcard__list li {
    position: relative;
    padding-left: 1rem;
    margin-bottom: 0.35rem;
}

.z869bahp-dlcard__list li::before {
    content: "›";
    position: absolute;
    left: 0;
    color: var(--primary-dark);
    font-weight: 700;
}

/* —— 兼容：旧版通栏 / 侧栏（子页或历史模板） —— */
.z869baprose-section {
    background: var(--surface-elevated);
    border-bottom: var(--border-1);
    padding: clamp(2rem, 5vw, 3rem) 0;
}

.z869baprose-section .lead {
    color: var(--text-muted);
    max-width: 52rem;
    margin: 0 auto;
    text-align: center;
    font-size: clamp(1rem, 2.2vw, 1.125rem);
}

.z869bazone-head {
    margin-bottom: 2rem;
}

.z869bazone-head.text-center {
    text-align: center;
}

.z869bazone-eyebrow {
    display: block;
    font-size: 0.65rem;
    font-weight: 800;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--accent-color);
    margin-bottom: 0.5rem;
}

.z869bazone-title {
    font-weight: 800;
    color: var(--secondary-color);
    font-size: clamp(1.35rem, 3.2vw, 1.9rem);
    letter-spacing: -0.02em;
}

.z869bazone-deck {
    line-height: 1.55;
}

.z869bazone-narrow {
    max-width: 40rem;
}

/* —— FAQ 折叠栈 —— */
.z869bafaq--stack .z869bafaq-stack,
.z869bafaq--apex .z869bafaq-stack {
    max-width: 44rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.z869bafaq--apex {
    background: var(--surface);
}

.z869bafaq-details {
    border: var(--border-1);
    background: var(--surface-elevated);
    margin-bottom: 0;
    box-sizing: border-box;
    border-radius: var(--radius-card);
    overflow: clip;
}

.z869bafaq-details:last-child {
    margin-bottom: 0;
}

.z869bafaq-details summary {
    cursor: pointer;
    list-style: none;
    padding: 1rem 1.15rem;
    font-weight: 700;
    font-size: 0.95rem;
    color: var(--secondary-color);
    position: relative;
    padding-right: 2.5rem;
}

.z869bafaq-details summary::-webkit-details-marker {
    display: none;
}

.z869bafaq-details summary::after {
    content: "+";
    position: absolute;
    right: 1rem;
    top: 50%;
    transform: translateY(-50%);
    font-size: 1.25rem;
    font-weight: 400;
    color: var(--primary-color);
}

.z869bafaq-details[open] summary::after {
    content: "−";
}

.z869bafaq-details__body {
    padding: 0 1.15rem 1.1rem;
    border-top: var(--border-divider);
    line-height: 1.65;
    overflow-wrap: anywhere;
}

/* —— 文章卡片：报摊 —— */
.z869baart-board {
    border-radius: var(--radius-card) !important;
    border: var(--border-1) !important;
    box-shadow: none !important;
    overflow: clip;
    box-sizing: border-box;
}

.z869baart-board:hover {
    box-shadow: var(--shadow-soft) !important;
    border-color: rgba(240, 180, 41, 0.45) !important;
}

/* —— FAQ 区底 —— */
.z869bafaq-slab {
    background: var(--surface);
    border-top: var(--border-1);
    overflow-x: clip;
}

/* —— 文章条带 —— */
.z869baarticle-strip {
    background: linear-gradient(180deg, var(--gray-100) 0%, var(--surface) 100%);
    border-top: var(--border-1);
    overflow-x: clip;
}

/* —— 分区标题 —— */
.z869basection-head {
    text-align: center;
    max-width: 40rem;
    margin: 0 auto 2.5rem;
}

.z869basection-head h2 {
    font-weight: 700;
    color: var(--secondary-color);
    margin-bottom: 0.5rem;
    font-size: clamp(1.35rem, 3vw, 1.75rem);
}

.z869basection-head p {
    color: var(--text-muted);
    margin: 0;
    font-size: 1rem;
}

/* —— 特点卡片（与 Bootstrap .card 组合，保证边框圆角不被覆盖） —— */
.card.z869bafeature-card {
    border-radius: var(--radius-card);
    box-shadow: var(--shadow-soft);
    transition: transform var(--transition-speed) var(--transition-easing),
        box-shadow var(--transition-speed) var(--transition-easing);
    border: var(--border-1);
    height: 100%;
    background: var(--surface-elevated);
    overflow: clip;
    box-sizing: border-box;
}

.card.z869bafeature-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-hover);
}

.z869bafeature-icon {
    font-size: 2rem;
    color: var(--primary-dark);
    margin-bottom: 1.25rem;
    background: rgba(240, 180, 41, 0.15);
    width: 72px;
    height: 72px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-inner);
    margin: 0 auto 1.25rem;
}

/* —— 统计数据（默认条，无 apex 修饰时） —— */
.z869bastats-section:not(.z869bastats--apex) {
    background: #181a20;
    color: #eaecef;
    padding: clamp(3rem, 6vw, 4rem) 0;
}

.z869bastat-number {
    font-size: clamp(2rem, 4vw, 2.75rem);
    font-weight: 700;
    margin-bottom: 0.35rem;
    color: var(--accent-color);
}

.z869bastat-label {
    font-size: clamp(0.8125rem, 2vw, 1rem);
    opacity: 0.9;
    max-width: 14rem;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.35;
}

/* —— 下载区 —— */
.z869badownload-section {
    padding: clamp(3rem, 7vw, 5rem) 0;
    background: linear-gradient(180deg, var(--gray-100) 0%, var(--surface) 100%);
}

.z869badownload-section.z869bahp-download {
    background: linear-gradient(180deg, #fafafa 0%, var(--surface) 100%);
    overflow-x: clip;
}

.z869badownload-header h2 {
    color: var(--secondary-color);
    font-weight: 700;
}

.z869badownload-subtitle {
    color: var(--text-muted);
}

.z869badownload-card {
    border: var(--border-1);
    border-radius: var(--radius-card);
    box-shadow: var(--shadow-soft);
    transition: transform var(--transition-speed), box-shadow var(--transition-speed);
    background: var(--surface-elevated);
    box-sizing: border-box;
    overflow: clip;
}

.z869badownload-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-hover);
}

.z869baplatform-icon {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-inner);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.35rem;
}

.z869baios-icon {
    background: linear-gradient(135deg, #0ea5e9, #0369a1);
    color: #fff;
}

.z869baandroid-icon {
    background: linear-gradient(135deg, #10b981, #047857);
    color: #fff;
}

.z869badownload-info {
    background: rgba(240, 180, 41, 0.08);
    padding: 1.25rem;
    border-radius: var(--radius-inner);
    border: var(--border-divider);
    box-sizing: border-box;
}

.z869bainfo-item i {
    color: var(--primary-color);
    flex-shrink: 0;
    margin-top: 0.15em;
}

.z869bainfo-item span {
    min-width: 0;
}

.z869badownload-action .btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    border: none;
}

/* —— 新手指引 / 双栏 —— */
.z869baguide-section {
    padding: clamp(3rem, 6vw, 4.5rem) 0;
    background: var(--surface-elevated);
    border-top: var(--border-1);
}

.z869baguide-panel {
    border-radius: var(--radius-card);
    border: var(--border-1);
    padding: 1.5rem;
    height: 100%;
    background: var(--gray-100);
    box-sizing: border-box;
    overflow: clip;
}

.z869baguide-panel h3 {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--secondary-color);
    margin-bottom: 1rem;
}

.z869baguide-panel ol,
.z869baguide-panel ul {
    padding-left: 1.1rem;
    margin-bottom: 0;
    color: var(--text-muted);
    font-size: 0.95rem;
}

.z869baguide-panel li {
    margin-bottom: 0.5rem;
}

/* —— 安全区 —— */
.z869basecurity-section {
    padding: clamp(3rem, 7vw, 5rem) 0;
    background: var(--surface);
}

.z869basecurity-header h2 {
    color: var(--secondary-color);
    font-weight: 700;
}

.z869basecurity-subtitle {
    color: var(--text-muted);
}

.z869basecurity-card {
    background: var(--surface-elevated);
    border-radius: var(--radius-card);
    padding: 1.5rem;
    height: 100%;
    box-shadow: var(--shadow-soft);
    border: var(--border-1);
    transition: transform 0.25s ease, box-shadow 0.25s ease;
    box-sizing: border-box;
    overflow: clip;
}

.z869basecurity-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-hover);
}

.z869basecurity-icon {
    width: 64px;
    height: 64px;
    border-radius: var(--radius-inner);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin: 0 auto 1.25rem;
    background: linear-gradient(135deg, #fcd535, #f0b429);
    color: #0b0e11;
}

.z869basecurity-card h3 {
    color: var(--secondary-color);
    font-weight: 600;
    text-align: center;
    margin-bottom: 1.25rem;
    font-size: 1.1rem;
}

.z869basecurity-features {
    background: rgba(46, 230, 168, 0.08);
    padding: 1.1rem 1.2rem;
    border-radius: var(--radius-inner);
    border: var(--border-divider);
    box-sizing: border-box;
}

.z869bafeature-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 0.75rem;
    gap: 0.5rem;
}

.z869bafeature-item:last-child {
    margin-bottom: 0;
}

.z869bafeature-item span {
    min-width: 0;
}

.z869bafeature-item i {
    color: var(--primary-dark);
    flex-shrink: 0;
    margin-top: 0.15em;
}

.z869basec--apex {
    background: #0b0e11;
    border-top: var(--border-dark);
    overflow-x: clip;
}

.z869basec--apex__intro .z869bahp-zone__title {
    color: #f5f5f5;
}

.z869basec--apex__intro .z869bahp-zone__deck {
    color: #848e9c;
}

.z869basec--apex .z869basecurity-header h2 {
    color: #eaecef;
}

.z869basec--apex .z869basecurity-subtitle {
    color: #848e9c;
}

.z869basec--apex .z869basecurity-card {
    background: #181a20;
    border: var(--border-dark);
    border-radius: var(--radius-card);
    box-shadow: none;
    text-align: left;
}

.z869basec--apex .z869basecurity-card:hover {
    transform: none;
    border-color: #474d57;
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.25);
}

.z869basec--apex .z869basecurity-icon {
    margin: 0 0 1rem 0;
    width: 48px;
    height: 48px;
    font-size: 1.1rem;
    border-radius: var(--radius-inner);
    background: linear-gradient(135deg, #fcd535, #f0b429);
    color: #0b0e11;
}

.z869basec--apex .z869basecurity-card h3 {
    text-align: left;
    font-size: 1rem;
    color: #eaecef;
}

.z869basec--apex .z869basecurity-features {
    background: rgba(46, 230, 168, 0.06);
    border: var(--border-dark);
}

.z869basec--apex .z869bafeature-item i {
    color: #2ee6a8;
}

.z869basec--apex .z869bacertificate-card {
    background: #181a20;
    border: var(--border-dark);
    border-radius: var(--radius-card);
    box-shadow: none;
}

.z869basec--apex .z869bacertificate-card:hover {
    transform: none;
    border-color: #474d57;
}

.z869basec--apex .z869bacertificate-icon {
    width: 56px;
    height: 56px;
    font-size: 1.35rem;
    border-radius: var(--radius-inner);
    margin-bottom: 1rem;
    background: linear-gradient(135deg, #3af0b0, #2ee6a8);
    color: #0b0e11;
}

.z869basec--apex .z869bacertificate-card h4 {
    color: #eaecef;
}

.z869basec--apex .z869bacertificate-card p {
    color: #848e9c;
}

.z869basecurity-certificates {
    margin-top: 3rem;
}

.z869bacertificate-card {
    background: var(--surface-elevated);
    border-radius: var(--radius-card);
    padding: 1.5rem;
    text-align: center;
    box-shadow: var(--shadow-soft);
    border: var(--border-1);
    height: 100%;
    transition: transform 0.25s ease;
    box-sizing: border-box;
    overflow: clip;
}

.z869bacertificate-card:hover {
    transform: translateY(-3px);
}

.z869bacertificate-icon {
    width: 72px;
    height: 72px;
    border-radius: var(--radius-inner);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    margin: 0 auto 1.25rem;
    background: linear-gradient(135deg, #fcd535, #f0b429);
    color: #0b0e11;
}

.z869bacertificate-card h4 {
    color: var(--secondary-color);
    font-weight: 600;
    font-size: 1.05rem;
}

.z869bacertificate-card p {
    color: var(--text-muted);
    margin: 0;
    font-size: 0.9rem;
}

/* —— FAQ 卡片 —— */
.card.z869bafaq-card {
    border: var(--border-1);
    border-radius: var(--radius-card);
    box-shadow: var(--shadow-soft);
    transition: box-shadow 0.25s ease;
    overflow: clip;
    box-sizing: border-box;
}

.card.z869bafaq-card:hover {
    box-shadow: var(--shadow-hover);
}

.card.z869bafaq-card .card-title {
    color: var(--secondary-color);
    font-size: 1rem;
    font-weight: 600;
}

/* —— 文章区 —— */
#article .card {
    border: var(--border-1);
    border-radius: var(--radius-card);
    overflow: clip;
    box-shadow: var(--shadow-soft);
    box-sizing: border-box;
}

#article .z869baart-board {
    border-radius: var(--radius-card) !important;
    overflow: clip;
}

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

/* —— 页脚 —— */
.z869bafooter {
    background: var(--secondary-color);
    padding: 3rem 0 1.5rem;
    color: #94a3b8;
}

.z869bafooter .z869bafooter-title {
    color: #e2e8f0;
}

.z869bafooter-link {
    color: #94a3b8;
}

.z869bafooter-link:hover {
    color: #fcd535;
}

.z869bafooter-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding-top: 1.5rem;
}

.z869bafooter-bottom a {
    color: #cbd5e1;
}

.z869bafooter-bottom a:hover {
    color: #fcd535;
}

/* —— 子页内容区 —— */
.z869bapage-shell {
    padding: clamp(2rem, 4vw, 3rem) 0;
    background: var(--surface);
    min-height: 50vh;
}

.z869bapage-shell .card {
    border: var(--border-1);
    border-radius: var(--radius-card);
    overflow: clip;
    box-sizing: border-box;
}

.z869bapage-shell .card.shadow-sm {
    box-shadow: var(--shadow-soft) !important;
}

.z869bapage-shell aside a {
    color: var(--primary-dark);
    text-decoration: none;
}

.z869bapage-shell aside a:hover {
    text-decoration: underline;
}

/* —— 按钮与表单 —— */
.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: #0b0e11 !important;
    border-color: var(--primary-color) !important;
}

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

/* —— 内页侧栏标题 —— */
.z869basidebar-title {
    color: var(--secondary-color);
    font-weight: 700;
    font-size: 1rem;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: var(--border-1);
}

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

.z869bahero-content,
.z869bahp-tile,
.z869bahp-dlcard,
.z869bafaq-details {
    animation: fadeIn 0.55s var(--transition-easing) forwards;
}

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

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

.navbar-collapse {
    background: #1e2329;
    padding: 0.75rem;
    border-radius: var(--radius-card);
    margin-top: 0.5rem;
    border: 1px solid var(--nav-border);
    box-sizing: border-box;
}

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

.pagebar .zzpages {
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    padding-bottom: 0.25rem;
}

/* 列表页分页 */
.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;
}

.z869baart-board .card-img-top {
    border-radius: var(--radius-card) var(--radius-card) 0 0 !important;
}

/* 缩略图 */
.z869bathumb-home {
    border-radius: var(--radius-card) var(--radius-card) 0 0;
}

@media (max-width: 767px) {
    .z869bahp-zone {
        padding: clamp(2rem, 5vw, 3rem) 0;
    }

    .z869bahp-zone__title,
    .z869bahp-bridge__title {
        word-break: break-word;
    }

    .z869bahero--apex .z869bahero-title {
        font-size: clamp(1.45rem, 6.2vw, 2rem);
        word-break: break-word;
        hyphens: auto;
    }

    .z869bahero-apex-panel__meta {
        justify-content: flex-start;
    }

    .z869bahp-bridge {
        padding-top: clamp(1.75rem, 4vw, 2.5rem);
        padding-bottom: clamp(1.75rem, 4vw, 2.5rem);
    }

    .z869bahp-bridge__list li {
        font-size: 0.875rem;
        padding-top: 0.55rem;
        padding-bottom: 0.55rem;
    }

    .z869bahp-bridge__lead {
        font-size: 0.9rem;
        line-height: 1.68;
    }

    .z869bahp-zone__head {
        margin-bottom: 1.5rem;
        padding-left: 0.25rem;
        padding-right: 0.25rem;
    }

    .z869bahp-zone__deck {
        font-size: 0.875rem;
    }

    .z869bahp-eyebrow {
        letter-spacing: 0.14em;
    }

    .z869bahp-tile {
        padding: 1.15rem 1rem;
    }

    .z869bahp-onboard {
        padding-top: clamp(2rem, 4.5vw, 3rem);
        padding-bottom: clamp(2rem, 4.5vw, 3rem);
    }

    .z869bahp-step {
        padding: 1rem 0.95rem;
    }

    .z869bahp-dlcard {
        padding: 1.1rem 1rem 1.15rem;
    }

    .z869bahp-dlcard__head {
        flex-wrap: wrap;
        gap: 0.75rem;
    }

    .z869bahp-dlcard__badge {
        width: 48px;
        height: 48px;
        font-size: 1.2rem;
    }

    .z869bahero-apex-badge {
        flex-wrap: wrap;
        row-gap: 0.25rem;
        word-break: break-word;
        overflow-wrap: anywhere;
    }

    .z869bahero-apex-panel__frame {
        padding: 0.85rem;
    }

    .z869bastats-section.z869bastats--apex {
        padding-top: clamp(2rem, 4.5vw, 2.75rem);
        padding-bottom: clamp(2rem, 4.5vw, 2.75rem);
    }

    .z869basec--apex .z869bahp-zone__head {
        margin-bottom: 1.75rem;
        padding-left: 0.25rem;
        padding-right: 0.25rem;
    }

    .z869baarticle-strip .d-flex.flex-column .btn {
        width: 100%;
        max-width: 100%;
    }

    .z869bafooter .row > [class*="col-"] {
        text-align: center;
    }

    .z869bafooter .d-inline-block.mb-3 {
        margin-left: auto;
        margin-right: auto;
    }

    .z869bafriend-links {
        justify-content: center;
    }

    .z869banavbar .navbar-nav .nav-link {
        padding: 0.55rem 0.5rem !important;
        min-height: 44px;
        display: flex;
        align-items: center;
        font-size: 0.95rem;
    }

    .z869bafaq-details summary {
        font-size: 0.9rem;
        padding: 0.9rem 2.35rem 0.9rem 0.95rem;
        line-height: 1.35;
    }

    .z869bafaq-details__body {
        padding: 0 0.95rem 1rem;
    }

    .z869basec--apex .row > [class*="col-"] {
        min-width: 0;
    }

    .z869banavbar {
        padding: 0.45rem 0;
    }

    .z869banavbar .navbar-collapse {
        max-height: 72vh;
        overflow-y: auto;
    }

    .z869baprose-lead {
        font-size: 0.95rem;
        line-height: 1.7;
    }

    .z869baprose-section .lead {
        text-align: left;
        font-size: 0.9375rem;
        line-height: 1.7;
        max-width: none;
    }

    .z869basection-head {
        margin-bottom: 1.75rem;
    }

    .z869basection-head p {
        font-size: 0.9rem;
        line-height: 1.6;
    }

    .z869baguide-panel {
        padding: 1.15rem;
    }

    .z869baguide-panel h3 {
        display: flex;
        flex-wrap: wrap;
        align-items: center;
        gap: 0.35rem;
        font-size: 1.02rem;
        line-height: 1.35;
    }

    .z869bahero-section.z869bahero--apex {
        padding-top: clamp(2rem, 7vw, 3.25rem);
        padding-bottom: clamp(2.25rem, 8vw, 3.75rem);
    }

    .z869bahero--apex .z869bahero-subtitle {
        font-size: 0.95rem;
        margin-bottom: 1.15rem;
    }

    .z869bahero-buttons .btn-lg {
        --bs-btn-padding-y: 0.52rem;
        --bs-btn-padding-x: 1rem;
        font-size: 0.9375rem;
    }

    .z869bastats-section:not(.z869bastats--apex) {
        padding: clamp(2rem, 5vw, 2.75rem) 0;
    }

    .z869bastat-label {
        max-width: none;
        font-size: 0.78rem;
        line-height: 1.35;
    }

    .z869bastat-number {
        font-size: clamp(1.45rem, 5.5vw, 1.95rem);
    }

    .z869basecurity-section {
        padding: clamp(2.25rem, 5vw, 3.5rem) 0;
    }

    .z869badownload-section {
        padding: clamp(2.25rem, 5vw, 3.5rem) 0;
    }

    .z869baguide-section {
        padding: clamp(2.25rem, 5vw, 3.25rem) 0;
    }

    .card.z869bafaq-card .card-body {
        padding: 0.85rem 1rem;
    }

    .z869bafooter {
        padding: 2rem 0 1.15rem;
    }

    .z869bafooter-bottom p.small.mb-2 {
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        align-items: center;
        column-gap: 0.35rem;
        row-gap: 0.4rem;
    }

    .z869bafooter-bottom p.small.mb-2 > span {
        opacity: 0.45;
        flex: 0 0 auto;
    }

    .z869bapage-shell {
        padding-top: 1.5rem !important;
        padding-bottom: 2rem !important;
    }

    .z869bapage-shell h1.h3 {
        font-size: clamp(1.05rem, 4.5vw, 1.35rem);
        line-height: 1.35;
        word-break: break-word;
    }

    .z869bapage-shell header .small {
        display: flex;
        flex-wrap: wrap;
        gap: 0.35rem 0.75rem;
        row-gap: 0.25rem;
    }

    .z869basecurity-icon {
        width: 56px;
        height: 56px;
        font-size: 1.35rem;
    }

    .z869bacertificate-icon {
        width: 60px;
        height: 60px;
        font-size: 1.45rem;
    }

    #article .card-body {
        padding: 0.75rem;
    }

    #article .z869bathumb-home {
        height: 96px !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;
    }

    .z869bathumb-list,
    .z869bathumb-related {
        height: 72px !important;
    }

    .z869bathumb-side {
        height: 50px !important;
    }

    .z869bathumb-cover {
        max-width: 100% !important;
        width: 100%;
        height: 170px !important;
        margin: 0 auto;
    }

    .z869badownload-card .card-body {
        padding: 1rem !important;
    }

    .z869badownload-card .d-flex.align-items-center {
        flex-direction: column;
        text-align: center;
        gap: 0.75rem;
        margin-bottom: 1rem !important;
    }

    .z869badownload-card .d-flex.align-items-center .ms-3 {
        margin-left: 0 !important;
    }

    .z869baplatform-icon {
        width: 52px;
        height: 52px;
        font-size: 1.15rem;
    }

    .z869badownload-info {
        padding: 1rem;
    }

    .z869badownload-action .btn {
        width: 100%;
        white-space: normal;
        overflow: visible;
        text-overflow: clip;
    }
}

@media (max-width: 575px) {
    #article .z869bathumb-home {
        height: 88px !important;
    }

    .z869bathumb-list,
    .z869bathumb-related {
        height: 64px !important;
    }

    .z869bathumb-side {
        height: 46px !important;
    }

    .z869bathumb-cover {
        height: 150px !important;
    }

    .pagebar .pagelist {
        gap: 0.35rem;
    }

    .z869bahero-apex-badge {
        font-size: 0.62rem;
        letter-spacing: 0.1em;
    }

    .z869bahp-tile {
        padding: 1rem 0.85rem;
    }

    .z869bahp-zone__title {
        font-size: clamp(1.2rem, 5.5vw, 1.45rem);
    }

    .z869bahp-bridge__title {
        font-size: clamp(1.1rem, 4.8vw, 1.3rem);
    }

    .z869bafooter-bottom {
        font-size: 0.8125rem;
    }
}

.z869bainfo-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 0.75rem;
    gap: 0.5rem;
}

.z869bainfo-item:last-child {
    margin-bottom: 0;
}

.z869bastat-item {
    text-align: center;
    padding: 0;
    box-sizing: border-box;
}

.z869bafriend-links {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem 1rem;
    list-style: none;
    padding: 0;
    margin: 0.5rem 0 0;
}

.z869bafriend-links li {
    display: inline;
}

.z869bafriend-links a {
    color: #94a3b8;
    text-decoration: none;
}

.z869bafriend-links a:hover {
    color: #fcd535;
}

.z869baarticle-content {
    line-height: 1.75;
    word-break: break-word;
}

.z869baarticle-content img {
    max-width: 100%;
    height: auto;
}

.z869badiyfield {
    font-size: 0.95rem;
    color: var(--text-muted);
}

.z869bameta-tags {
    padding-left: 0;
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
}

.z869bameta-tags .list-inline-item {
    margin-right: 0 !important;
    display: inline-block;
}

.z869batagitem a {
    display: inline-block;
    padding: 0.25rem 0.6rem;
    border-radius: 999px;
    background: rgba(240, 180, 41, 0.12);
    color: var(--primary-dark);
    text-decoration: none;
    font-size: 0.85rem;
}

.z869batagitem a:hover {
    background: rgba(240, 180, 41, 0.2);
}

.z869bapages .pagelist a {
    color: var(--primary-dark);
}