/* ===== 设计系统：靛紫 + 珊瑚 ===== */
:root {
    --kf-primary: #5B21B6;
    --kf-primary-dark: #4C1D95;
    --kf-primary-deep: #2E1065;
    --kf-primary-light: #EDE9FE;
    --kf-primary-soft: #F5F3FF;
    --kf-accent: #F97316;
    --kf-accent-dark: #EA580C;
    --kf-accent-light: #FFEDD5;
    --kf-dark: #1C1917;
    --kf-text: #44403C;
    --kf-text-muted: #78716C;
    --kf-bg: #FAFAF9;
    --kf-surface: #FFFFFF;
    --kf-border: #E7E5E4;
    --kf-radius: 10px;
    --kf-radius-lg: 14px;
    --kf-shadow: 0 2px 12px rgba(91, 33, 182, 0.06);
    --kf-shadow-hover: 0 8px 28px rgba(91, 33, 182, 0.12);
    --kf-header-h: 68px;
    --kf-container: 1160px;
    --kf-transition: 0.25s ease;
}

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

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: "PingFang SC", "Microsoft YaHei", "微软雅黑", -apple-system, sans-serif;
    line-height: 1.65;
    color: var(--kf-text);
    background: var(--kf-bg);
    overflow-x: hidden;
}

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

a { color: inherit; }

.zcbb66container {
    width: 100%;
    max-width: var(--kf-container);
    margin: 0 auto;
    padding: 0 20px;
}

/* ===== 导航 ===== */
.zcbb66header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--kf-border);
}

.zcbb66header .zcbb66container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: var(--kf-header-h);
}

.zcbb66logo {
    font-size: 20px;
    font-weight: 700;
    color: var(--kf-primary-dark);
    flex-shrink: 0;
}

.zcbb66logo a {
    color: inherit;
    text-decoration: none;
}

.zcbb66menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 26px;
    height: 18px;
    cursor: pointer;
    z-index: 1002;
    background: none;
    border: none;
}

.zcbb66menu-toggle span {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--kf-dark);
    border-radius: 1px;
    transition: var(--kf-transition);
}

.zcbb66menu-toggle.zcbb66active span:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
}

.zcbb66menu-toggle.zcbb66active span:nth-child(2) {
    opacity: 0;
}

.zcbb66menu-toggle.zcbb66active span:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
}

.zcbb66nav-list {
    display: flex;
    list-style: none;
    flex-wrap: wrap;
    align-items: center;
}

.zcbb66nav-item {
    margin-left: 20px;
}

.zcbb66nav-item a {
    text-decoration: none;
    color: var(--kf-text);
    font-weight: 500;
    font-size: 14px;
    white-space: nowrap;
    padding: 6px 0;
    transition: color var(--kf-transition);
}

.zcbb66nav-item a:hover,
.zcbb66nav-item.zcbb66this a {
    color: var(--kf-primary);
}

.zcbb66nav-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(28, 25, 23, 0.4);
    z-index: 999;
}

.zcbb66nav-overlay.zcbb66active {
    display: block;
}

body.zcbb66nav-open {
    overflow: hidden;
}

/* ===== 通用 ===== */
.zcbb66section-label {
    display: block;
    text-align: center;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--kf-accent);
    margin-bottom: 8px;
}

.zcbb66section-title {
    text-align: center;
    font-size: clamp(24px, 4vw, 32px);
    font-weight: 700;
    color: var(--kf-dark);
    margin-bottom: 10px;
}

.zcbb66section-subtitle {
    text-align: center;
    font-size: clamp(14px, 2vw, 16px);
    color: var(--kf-text-muted);
    max-width: 660px;
    margin: 0 auto 40px;
    line-height: 1.75;
}

.zcbb66btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 11px 24px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    font-size: 14px;
    transition: all var(--kf-transition);
    border: 2px solid transparent;
    cursor: pointer;
    line-height: 1.4;
}

.zcbb66btn-primary {
    background: var(--kf-primary);
    color: #fff;
    border-color: var(--kf-primary);
}

.zcbb66btn-primary:hover {
    background: var(--kf-primary-dark);
    border-color: var(--kf-primary-dark);
    transform: translateY(-1px);
    box-shadow: var(--kf-shadow-hover);
}

.zcbb66btn-secondary {
    background: transparent;
    color: #fff;
    border-color: rgba(255, 255, 255, 0.65);
}

.zcbb66btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: #fff;
}

.zcbb66btn-outline {
    background: transparent;
    color: var(--kf-primary);
    border-color: var(--kf-primary);
}

.zcbb66btn-outline:hover {
    background: var(--kf-primary);
    color: #fff;
}

.zcbb66btn-accent {
    background: var(--kf-accent);
    color: #fff;
    border-color: var(--kf-accent);
}

.zcbb66btn-accent:hover {
    background: var(--kf-accent-dark);
    border-color: var(--kf-accent-dark);
    transform: translateY(-1px);
}

/* ===== Hero ===== */
.zcbb66hero {
    padding: calc(var(--kf-header-h) + 48px) 0 64px;
    background: linear-gradient(160deg, var(--kf-primary-deep) 0%, #5B21B6 50%, #7C3AED 100%);
    color: #fff;
    position: relative;
    overflow: hidden;
}

.zcbb66hero::before {
    content: '';
    position: absolute;
    width: 400px;
    height: 400px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(249, 115, 22, 0.2), transparent 70%);
    top: -100px;
    right: -80px;
    pointer-events: none;
}

.zcbb66hero-wrapper {
    display: grid;
    grid-template-columns: 1.05fr 0.95fr;
    gap: 40px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.zcbb66hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.18);
    padding: 5px 14px;
    border-radius: 50px;
    font-size: 12px;
    margin-bottom: 16px;
}

.zcbb66hero-badge-dot {
    width: 7px;
    height: 7px;
    background: var(--kf-accent);
    border-radius: 50%;
}

.zcbb66hero-content h2 {
    font-size: clamp(26px, 4.5vw, 40px);
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 16px;
}

.zcbb66hero-content > p {
    font-size: clamp(14px, 2vw, 16px);
    line-height: 1.75;
    opacity: 0.9;
    margin-bottom: 28px;
    max-width: 520px;
}

.zcbb66hero-features {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 28px;
}

.zcbb66hero-feature-item {
    flex: 1 1 90px;
    min-width: 0;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: var(--kf-radius);
    padding: 14px 10px;
    text-align: center;
}

.zcbb66feature-number {
    display: block;
    font-size: 24px;
    font-weight: 700;
    color: var(--kf-accent-light);
    line-height: 1.2;
}

.zcbb66feature-text {
    font-size: 12px;
    opacity: 0.85;
    margin-top: 4px;
    display: block;
}

.zcbb66cta-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.zcbb66cta-buttons .zcbb66btn { margin: 0; }

.zcbb66hero-image {
    border-radius: var(--kf-radius-lg);
    overflow: hidden;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.1);
    aspect-ratio: 5/4;
    max-height: 360px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.zcbb66hero-image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    padding: 16px;
}

/* ===== 数据条 ===== */
.zcbb66stats-bar {
    background: var(--kf-surface);
    border-bottom: 1px solid var(--kf-border);
    padding: 24px 0;
}

.zcbb66stats-bar-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}

.zcbb66stats-bar-item {
    text-align: center;
    padding: 8px;
}

.zcbb66stats-bar-item + .zcbb66stats-bar-item {
    border-left: 1px solid var(--kf-border);
}

.zcbb66stats-bar-num {
    font-size: clamp(20px, 3vw, 28px);
    font-weight: 700;
    color: var(--kf-primary);
    line-height: 1.2;
}

.zcbb66stats-bar-label {
    font-size: 12px;
    color: var(--kf-text-muted);
    margin-top: 4px;
}

/* ===== 业务板块 ===== */
.zcbb66services {
    padding: 72px 0;
    background: var(--kf-bg);
}

.zcbb66service-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-bottom: 48px;
}

.zcbb66service-card {
    background: var(--kf-surface);
    border: 1px solid var(--kf-border);
    border-radius: var(--kf-radius-lg);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: border-color var(--kf-transition), box-shadow var(--kf-transition);
    min-width: 0;
}

.zcbb66service-card::before {
    content: '';
    display: block;
    height: 3px;
    background: linear-gradient(90deg, var(--kf-primary), var(--kf-accent));
}

.zcbb66service-card:hover {
    border-color: var(--kf-primary-light);
    box-shadow: var(--kf-shadow-hover);
}

.zcbb66service-card.zcbb66service-featured::before {
    height: 4px;
}

.zcbb66service-icon {
    height: 120px;
    background: var(--kf-primary-soft);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    flex-shrink: 0;
}

.zcbb66service-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    padding: 12px;
    max-height: 120px;
}

.zcbb66service-overlay {
    position: absolute;
    top: 10px;
    right: 10px;
}

.zcbb66service-tag {
    background: var(--kf-primary);
    color: #fff;
    padding: 3px 10px;
    border-radius: 50px;
    font-size: 11px;
    font-weight: 600;
}

.zcbb66service-content {
    padding: 18px;
    flex: 1;
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.zcbb66service-header {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: flex-start;
    gap: 6px;
    margin-bottom: 10px;
}

.zcbb66service-header h3 {
    color: var(--kf-dark);
    font-size: 16px;
    font-weight: 700;
    word-break: break-word;
}

.zcbb66service-badge {
    background: var(--kf-accent-light);
    color: var(--kf-accent-dark);
    padding: 2px 8px;
    border-radius: 50px;
    font-size: 11px;
    font-weight: 600;
    white-space: nowrap;
    flex-shrink: 0;
}

.zcbb66service-desc {
    color: var(--kf-text-muted);
    font-size: 13px;
    line-height: 1.65;
    margin-bottom: 12px;
}

.zcbb66service-details {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    margin-bottom: 12px;
    padding: 12px;
    background: var(--kf-bg);
    border-radius: var(--kf-radius);
    border: 1px solid var(--kf-border);
}

.zcbb66detail-item { min-width: 0; }

.zcbb66detail-label {
    display: block;
    font-size: 11px;
    color: var(--kf-text-muted);
    margin-bottom: 1px;
}

.zcbb66detail-value {
    font-size: 13px;
    font-weight: 700;
    color: var(--kf-primary-dark);
    word-break: break-word;
}

.zcbb66service-features {
    margin-bottom: 12px;
    flex: 1;
}

.zcbb66service-features h4 {
    font-size: 13px;
    font-weight: 600;
    color: var(--kf-dark);
    margin-bottom: 6px;
}

.zcbb66service-features ul {
    list-style: none;
}

.zcbb66service-features ul li {
    font-size: 12px;
    color: var(--kf-text-muted);
    padding: 3px 0 3px 14px;
    position: relative;
    line-height: 1.5;
}

.zcbb66service-features ul li::before {
    content: '·';
    position: absolute;
    left: 4px;
    color: var(--kf-primary);
    font-weight: 700;
}

.zcbb66service-cta {
    display: flex;
    gap: 8px;
    margin-top: auto;
}

.zcbb66service-cta .zcbb66btn {
    flex: 1;
    padding: 9px 10px;
    font-size: 13px;
    min-width: 0;
}

/* ===== 优势 ===== */
.zcbb66service-advantages {
    padding-top: 40px;
    border-top: 1px solid var(--kf-border);
}

.zcbb66service-advantages > h3 {
    text-align: center;
    font-size: clamp(20px, 3vw, 26px);
    font-weight: 700;
    color: var(--kf-dark);
    margin-bottom: 28px;
}

.zcbb66advantages-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-bottom: 32px;
}

.zcbb66advantage-item {
    background: var(--kf-surface);
    border: 1px solid var(--kf-border);
    border-radius: var(--kf-radius-lg);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.zcbb66advantage-icon {
    background: linear-gradient(135deg, var(--kf-primary), #7C3AED);
    padding: 16px;
    text-align: center;
}

.zcbb66advantage-icon .zcbb66icon {
    font-size: 28px;
}

.zcbb66advantage-content {
    padding: 16px;
    flex: 1;
}

.zcbb66advantage-content h4 {
    font-size: 15px;
    font-weight: 700;
    color: var(--kf-dark);
    margin-bottom: 6px;
}

.zcbb66advantage-content > p {
    font-size: 13px;
    color: var(--kf-text-muted);
    line-height: 1.6;
    margin-bottom: 10px;
}

.zcbb66advantage-features {
    list-style: none;
}

.zcbb66advantage-features li {
    font-size: 12px;
    color: var(--kf-text);
    padding: 3px 0 3px 14px;
    position: relative;
}

.zcbb66advantage-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--kf-primary);
    font-size: 11px;
    font-weight: 700;
}

.zcbb66advantages-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
    padding: 28px;
    background: linear-gradient(135deg, var(--kf-primary-deep), var(--kf-primary));
    border-radius: var(--kf-radius-lg);
    color: #fff;
}

.zcbb66stat-item {
    text-align: center;
    padding: 14px 8px;
    background: rgba(255, 255, 255, 0.08);
    border-radius: var(--kf-radius);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.zcbb66stat-number {
    font-size: clamp(20px, 3vw, 28px);
    font-weight: 700;
    line-height: 1.2;
}

.zcbb66stat-label {
    font-size: 12px;
    opacity: 0.88;
    margin-top: 4px;
}

/* ===== 流程 ===== */
.zcbb66process {
    padding: 72px 0;
    background: var(--kf-surface);
}

.zcbb66process-timeline {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    margin-bottom: 40px;
}

.zcbb66process-step {
    text-align: center;
    padding: 0 8px;
    min-width: 0;
}

.zcbb66step-number {
    width: 48px;
    height: 48px;
    background: var(--kf-primary);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    font-weight: 700;
    margin: 0 auto 12px;
    border: 3px solid var(--kf-primary-light);
}

.zcbb66step-content h3 {
    font-size: 15px;
    font-weight: 700;
    color: var(--kf-dark);
    margin-bottom: 6px;
}

.zcbb66step-content > p {
    font-size: 12px;
    color: var(--kf-text-muted);
    margin-bottom: 10px;
    line-height: 1.5;
}

.zcbb66step-details {
    list-style: none;
    text-align: left;
    background: var(--kf-bg);
    border: 1px solid var(--kf-border);
    border-radius: var(--kf-radius);
    padding: 10px;
}

.zcbb66step-details li {
    font-size: 11px;
    color: var(--kf-text);
    padding: 3px 0;
    display: flex;
    align-items: center;
    gap: 5px;
}

.zcbb66process-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
    align-items: center;
    margin-bottom: 36px;
}

.zcbb66process-info h3 {
    font-size: clamp(20px, 3vw, 26px);
    font-weight: 700;
    color: var(--kf-dark);
    margin-bottom: 12px;
}

.zcbb66process-info p {
    font-size: 14px;
    color: var(--kf-text-muted);
    line-height: 1.75;
    margin-bottom: 20px;
}

.zcbb66process-image {
    border-radius: var(--kf-radius-lg);
    overflow: hidden;
    border: 1px solid var(--kf-border);
    background: var(--kf-primary-soft);
    aspect-ratio: 4/3;
    max-height: 320px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.zcbb66process-image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    padding: 12px;
}

.zcbb66process-features {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
}

.zcbb66feature-item {
    text-align: center;
    padding: 16px 10px;
    background: var(--kf-bg);
    border: 1px solid var(--kf-border);
    border-radius: var(--kf-radius);
}

.zcbb66feature-item .zcbb66feature-icon {
    font-size: 24px;
    margin-bottom: 8px;
}

.zcbb66feature-item h4 {
    font-size: 14px;
    font-weight: 600;
    color: var(--kf-dark);
    margin-bottom: 4px;
}

.zcbb66feature-item p {
    font-size: 12px;
    color: var(--kf-text-muted);
    line-height: 1.45;
}

/* ===== 特点 ===== */
.zcbb66features {
    padding: 72px 0;
    background: var(--kf-bg);
}

.zcbb66features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-bottom: 32px;
}

.zcbb66feature-card {
    background: var(--kf-surface);
    border: 1px solid var(--kf-border);
    border-radius: var(--kf-radius-lg);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: box-shadow var(--kf-transition);
    min-width: 0;
}

.zcbb66feature-card:hover {
    box-shadow: var(--kf-shadow-hover);
}

.zcbb66feature-card .zcbb66feature-icon {
    background: var(--kf-primary-soft);
    padding: 18px;
    text-align: center;
}

.zcbb66feature-card .zcbb66feature-icon .zcbb66icon {
    font-size: 30px;
}

.zcbb66feature-content {
    padding: 18px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.zcbb66feature-content h3 {
    font-size: 15px;
    font-weight: 700;
    color: var(--kf-dark);
    margin-bottom: 6px;
}

.zcbb66feature-content > p {
    font-size: 13px;
    color: var(--kf-text-muted);
    line-height: 1.6;
    margin-bottom: 12px;
}

.zcbb66feature-details {
    list-style: none;
    flex: 1;
    margin-bottom: 12px;
}

.zcbb66feature-details li {
    font-size: 12px;
    color: var(--kf-text);
    padding: 3px 0 3px 18px;
    position: relative;
}

.zcbb66detail-icon {
    position: absolute;
    left: 0;
    color: var(--kf-primary);
    font-weight: 700;
    font-style: normal;
}

.zcbb66feature-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    padding: 10px;
    background: var(--kf-bg);
    border: 1px solid var(--kf-border);
    border-radius: var(--kf-radius);
}

.zcbb66feature-stats .zcbb66stat {
    text-align: center;
}

.zcbb66feature-stats .zcbb66stat-number {
    font-size: 18px;
    font-weight: 700;
    color: var(--kf-primary);
}

.zcbb66feature-stats .zcbb66stat-label {
    font-size: 11px;
    color: var(--kf-text-muted);
}

.zcbb66features-highlight {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    padding: 28px;
    background: linear-gradient(135deg, var(--kf-primary-deep), var(--kf-primary));
    border-radius: var(--kf-radius-lg);
    color: #fff;
}

.zcbb66highlight-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    min-width: 0;
}

.zcbb66highlight-icon {
    flex-shrink: 0;
    font-size: 24px;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--kf-radius);
}

.zcbb66highlight-content {
    min-width: 0;
}

.zcbb66highlight-content h4 {
    font-size: 14px;
    font-weight: 700;
    margin-bottom: 4px;
}

.zcbb66highlight-content p {
    font-size: 12px;
    opacity: 0.88;
    line-height: 1.55;
}

/* ===== FAQ ===== */
.zcbb66faq {
    padding: 72px 0;
    background: var(--kf-surface);
}

.zcbb66faq-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    margin-bottom: 32px;
}

.zcbb66faq-card {
    background: var(--kf-bg);
    border: 1px solid var(--kf-border);
    border-radius: var(--kf-radius-lg);
    overflow: hidden;
    min-width: 0;
}

.zcbb66faq-header {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 16px 18px 0;
}

.zcbb66faq-icon {
    flex-shrink: 0;
    width: 36px;
    height: 36px;
    background: var(--kf-primary-light);
    color: var(--kf-primary-dark);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
}

.zcbb66faq-header h3 {
    font-size: 15px;
    font-weight: 700;
    color: var(--kf-dark);
    line-height: 1.4;
    padding-top: 4px;
}

.zcbb66faq-content {
    padding: 10px 18px 18px 66px;
}

.zcbb66faq-content p {
    font-size: 13px;
    color: var(--kf-text-muted);
    line-height: 1.65;
    margin-bottom: 10px;
}

.zcbb66faq-details {
    list-style: none;
}

.zcbb66faq-details li {
    font-size: 12px;
    color: var(--kf-text);
    padding: 2px 0 2px 16px;
    position: relative;
}

.zcbb66faq-details li .zcbb66detail-icon {
    position: absolute;
    left: 0;
}

.zcbb66faq-contact .zcbb66contact-card {
    background: linear-gradient(135deg, var(--kf-primary), #7C3AED);
    border-radius: var(--kf-radius-lg);
    padding: 28px;
    color: #fff;
    display: flex;
    align-items: center;
    gap: 20px;
    border: none;
}

.zcbb66faq-contact .zcbb66contact-icon {
    flex-shrink: 0;
    width: 56px;
    height: 56px;
    background: rgba(255, 255, 255, 0.12);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
}

.zcbb66faq-contact .zcbb66contact-content h4 {
    font-size: 18px;
    margin-bottom: 6px;
}

.zcbb66faq-contact .zcbb66contact-content p {
    font-size: 13px;
    opacity: 0.9;
    margin-bottom: 14px;
}

.zcbb66faq-contact .zcbb66btn {
    background: #fff;
    color: var(--kf-primary-dark);
    border-color: #fff;
}

/* ===== 资讯 ===== */
.zcbb66home-articles {
    padding: 72px 0;
    background: var(--kf-bg);
}

.zcbb66home-articles-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 16px;
}

.zcbb66home-article-card {
    background: var(--kf-surface);
    border: 1px solid var(--kf-border);
    border-radius: var(--kf-radius);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: box-shadow var(--kf-transition);
    min-width: 0;
}

.zcbb66home-article-card:hover {
    box-shadow: var(--kf-shadow-hover);
}

.zcbb66home-article-thumb {
    display: block;
    height: 110px;
    overflow: hidden;
    background: var(--kf-primary-soft);
    flex-shrink: 0;
}

.zcbb66home-article-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.zcbb66home-article-info {
    padding: 12px;
    flex: 1;
    min-width: 0;
}

.zcbb66home-article-info h3 {
    font-size: 13px;
    margin: 0 0 6px;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.zcbb66home-article-info h3 a {
    color: var(--kf-dark);
    text-decoration: none;
}

.zcbb66home-article-info h3 a:hover {
    color: var(--kf-primary);
}

.zcbb66home-article-date {
    font-size: 11px;
    color: var(--kf-text-muted);
}

/* ===== 联系 ===== */
.zcbb66contact {
    padding: 72px 0;
    background: var(--kf-surface);
}

.zcbb66contact-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-bottom: 24px;
}

.zcbb66contact .zcbb66contact-card {
    background: var(--kf-bg);
    border: 1px solid var(--kf-border);
    border-radius: var(--kf-radius-lg);
    padding: 24px 16px;
    text-align: center;
}

.zcbb66contact .zcbb66contact-icon {
    width: 48px;
    height: 48px;
    background: var(--kf-primary-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    margin: 0 auto 12px;
}

.zcbb66contact .zcbb66contact-content h3 {
    font-size: 15px;
    font-weight: 700;
    color: var(--kf-dark);
    margin-bottom: 6px;
}

.zcbb66contact .zcbb66contact-content p {
    font-size: 14px;
    color: var(--kf-text);
}

.zcbb66contact-time {
    color: var(--kf-text-muted) !important;
    font-size: 12px !important;
}

.zcbb66contact-form-wrapper {
    background: var(--kf-bg);
    border: 1px solid var(--kf-border);
    border-radius: var(--kf-radius-lg);
    padding: 28px;
}

.zcbb66form-header {
    text-align: center;
    margin-bottom: 22px;
}

.zcbb66form-header h3 {
    font-size: 20px;
    font-weight: 700;
    color: var(--kf-dark);
    margin-bottom: 6px;
}

.zcbb66form-header p {
    font-size: 14px;
    color: var(--kf-text-muted);
}

.zcbb66contact-form {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.zcbb66form-group {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
}

.zcbb66form-group:last-child {
    grid-template-columns: 1fr;
}

.zcbb66contact-form input,
.zcbb66contact-form select,
.zcbb66contact-form textarea {
    width: 100%;
    padding: 12px 14px;
    border: 1px solid var(--kf-border);
    border-radius: 8px;
    font-size: 14px;
    font-family: inherit;
    background: var(--kf-surface);
    color: var(--kf-text);
    transition: border-color var(--kf-transition), box-shadow var(--kf-transition);
}

.zcbb66contact-form input:focus,
.zcbb66contact-form select:focus,
.zcbb66contact-form textarea:focus {
    outline: none;
    border-color: var(--kf-primary);
    box-shadow: 0 0 0 3px rgba(91, 33, 182, 0.1);
}

.zcbb66contact-form textarea {
    min-height: 110px;
    resize: vertical;
}

.zcbb66contact-form button {
    width: 100%;
    padding: 13px;
    font-size: 15px;
    border: none;
}

.zcbb66contact-features {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
    margin-top: 32px;
}

.zcbb66contact-features .zcbb66feature-item {
    background: var(--kf-bg);
}

/* ===== 页脚 ===== */
.zcbb66footer {
    background: var(--kf-dark);
    color: rgba(255, 255, 255, 0.7);
    padding: 40px 0 20px;
}

.zcbb66footer-wrapper {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr;
    gap: 28px;
    margin-bottom: 28px;
}

.zcbb66footer-info h3 {
    color: #fff;
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 10px;
}

.zcbb66footer-info p {
    font-size: 13px;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.55);
}

.zcbb66footer-links h4,
.zcbb66footer-contact h4 {
    color: #fff;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 12px;
    padding-bottom: 8px;
    border-bottom: 2px solid var(--kf-accent);
    display: inline-block;
}

.zcbb66footer-links ul {
    list-style: none;
}

.zcbb66footer-links li {
    margin-bottom: 6px;
}

.zcbb66footer-links a {
    color: rgba(255, 255, 255, 0.55);
    text-decoration: none;
    font-size: 13px;
    transition: color var(--kf-transition);
}

.zcbb66footer-links a:hover {
    color: var(--kf-accent-light);
}

.zcbb66footer-contact p {
    font-size: 13px;
    margin-bottom: 5px;
    color: rgba(255, 255, 255, 0.55);
}

.zcbb66footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding-top: 16px;
    text-align: center;
}

.zcbb66footer-bottom p {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.4);
    margin-bottom: 6px;
}

.zcbb66friend-links {
    margin: 10px 0;
}

.zcbb66friend-links h4 {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.65);
    margin-bottom: 6px;
}

.zcbb66friend-links ul {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 6px 14px;
}

.zcbb66friend-links a {
    color: rgba(255, 255, 255, 0.45);
    text-decoration: none;
    font-size: 12px;
}

.zcbb66statistics a {
    color: var(--kf-accent-light);
    text-decoration: none;
}

/* ===== 内页 ===== */
.zcbb66page-main {
    padding: calc(var(--kf-header-h) + 32px) 0 56px;
    background: var(--kf-bg);
    min-height: 50vh;
}

.zcbb66breadcrumb {
    font-size: 13px;
    color: var(--kf-text-muted);
    margin-bottom: 18px;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 4px;
}

.zcbb66breadcrumb a {
    color: var(--kf-primary);
    text-decoration: none;
}

.zcbb66breadcrumb-sep {
    color: var(--kf-border);
    margin: 0 4px;
}

.zcbb66breadcrumb-current {
    color: var(--kf-text);
    word-break: break-word;
}

.zcbb66page-layout {
    display: grid;
    grid-template-columns: 1fr 280px;
    gap: 20px;
    align-items: start;
}

.zcbb66page-content {
    background: var(--kf-surface);
    border: 1px solid var(--kf-border);
    border-radius: var(--kf-radius-lg);
    padding: 28px;
    min-width: 0;
    overflow: hidden;
}

.zcbb66page-head {
    margin-bottom: 22px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--kf-border);
}

.zcbb66page-title {
    font-size: clamp(20px, 3vw, 26px);
    font-weight: 700;
    color: var(--kf-dark);
    line-height: 1.35;
    word-break: break-word;
}

.zcbb66page-desc {
    color: var(--kf-text-muted);
    font-size: 14px;
    line-height: 1.7;
    margin-top: 8px;
}

.zcbb66list-items {
    list-style: none;
}

.zcbb66list-item {
    display: flex;
    gap: 18px;
    padding: 20px 0;
    border-bottom: 1px solid var(--kf-border);
}

.zcbb66list-item:last-child {
    border-bottom: none;
}

.zcbb66list-thumb {
    flex-shrink: 0;
    width: 190px;
    height: 130px;
    border-radius: var(--kf-radius);
    overflow: hidden;
    display: block;
    background: var(--kf-primary-soft);
    border: 1px solid var(--kf-border);
}

.zcbb66list-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.zcbb66list-body {
    flex: 1;
    min-width: 0;
}

.zcbb66list-title {
    font-size: 17px;
    margin: 0 0 8px;
    line-height: 1.4;
}

.zcbb66list-title a {
    color: var(--kf-dark);
    text-decoration: none;
    word-break: break-word;
}

.zcbb66list-title a:hover {
    color: var(--kf-primary);
}

.zcbb66list-meta {
    font-size: 12px;
    color: var(--kf-text-muted);
    margin-bottom: 8px;
    display: flex;
    flex-wrap: wrap;
    gap: 6px 14px;
}

.zcbb66list-meta a {
    color: var(--kf-primary);
    text-decoration: none;
}

.zcbb66list-intro {
    font-size: 13px;
    color: var(--kf-text-muted);
    line-height: 1.65;
    margin-bottom: 8px;
    word-break: break-word;
}

.zcbb66list-more {
    color: var(--kf-primary);
    font-size: 13px;
    font-weight: 600;
    text-decoration: none;
}

.zcbb66pagebar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 28px;
    padding-top: 20px;
    border-top: 1px solid var(--kf-border);
}

.zcbb66pagebar-prev,
.zcbb66pagebar-next {
    flex: 0 0 auto;
    min-width: 70px;
}

.zcbb66pagebar-center {
    flex: 1;
    text-align: center;
}

.zcbb66pagebar-center ul,
.zcbb66pagebar-prev ul,
.zcbb66pagebar-next ul {
    list-style: none;
    display: inline-flex;
    flex-wrap: wrap;
    gap: 6px;
    justify-content: center;
}

.zcbb66pagebar a,
.zcbb66pagebar span {
    display: inline-block;
    padding: 6px 12px;
    border-radius: 6px;
    font-size: 13px;
    text-decoration: none;
    color: var(--kf-text);
    background: var(--kf-bg);
    border: 1px solid var(--kf-border);
}

.zcbb66pagebar a:hover {
    background: var(--kf-primary);
    color: #fff;
    border-color: var(--kf-primary);
}

.zcbb66article-title {
    font-size: clamp(20px, 3vw, 26px);
    font-weight: 700;
    color: var(--kf-dark);
    line-height: 1.4;
    margin-bottom: 12px;
    word-break: break-word;
}

.zcbb66article-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 6px 16px;
    font-size: 12px;
    color: var(--kf-text-muted);
    padding-bottom: 16px;
    border-bottom: 1px solid var(--kf-border);
    margin-bottom: 20px;
}

.zcbb66article-meta a {
    color: var(--kf-primary);
    text-decoration: none;
}

.zcbb66article-thumb {
    margin-bottom: 20px;
    border-radius: var(--kf-radius);
    overflow: hidden;
    border: 1px solid var(--kf-border);
    background: var(--kf-bg);
}

.zcbb66article-body {
    font-size: 15px;
    line-height: 1.85;
    color: var(--kf-text);
    word-break: break-word;
    overflow-wrap: break-word;
}

.zcbb66article-body img {
    max-width: 100%;
    height: auto;
    border-radius: var(--kf-radius);
}

.zcbb66article-body p {
    margin-bottom: 12px;
}

.zcbb66article-gallery {
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px dashed var(--kf-border);
}

.zcbb66article-gallery img {
    max-width: 100%;
    border-radius: var(--kf-radius);
}

.zcbb66article-gallery span {
    display: block;
    font-size: 12px;
    color: var(--kf-text-muted);
    margin-top: 6px;
}

.zcbb66diyfield {
    margin-top: 20px;
    padding: 16px;
    background: var(--kf-bg);
    border: 1px solid var(--kf-border);
    border-radius: var(--kf-radius);
    font-size: 14px;
    word-break: break-word;
}

.zcbb66meta-tags {
    list-style: none;
    margin: 20px 0 0;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.zcbb66tagitem a {
    display: inline-block;
    padding: 5px 12px;
    background: var(--kf-primary-light);
    color: var(--kf-primary-dark);
    border-radius: 50px;
    font-size: 12px;
    text-decoration: none;
}

.zcbb66tagitem a:hover {
    background: var(--kf-primary);
    color: #fff;
}

.zcbb66article-navlinks {
    display: flex;
    justify-content: space-between;
    gap: 14px;
    margin-top: 24px;
    padding-top: 20px;
    border-top: 1px solid var(--kf-border);
    font-size: 13px;
}

.zcbb66article-prev,
.zcbb66article-next {
    flex: 1;
    min-width: 0;
    max-width: 48%;
    word-break: break-word;
}

.zcbb66article-prev a,
.zcbb66article-next a {
    color: var(--kf-primary);
    text-decoration: none;
}

.zcbb66article-next {
    text-align: right;
}

.zcbb66related {
    margin-top: 32px;
    padding-top: 24px;
    border-top: 1px solid var(--kf-border);
}

.zcbb66related-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--kf-dark);
    margin-bottom: 16px;
}

.zcbb66related-list {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 14px;
}

.zcbb66related-item {
    background: var(--kf-bg);
    border: 1px solid var(--kf-border);
    border-radius: var(--kf-radius);
    overflow: hidden;
}

.zcbb66related-thumb {
    display: block;
    height: 110px;
    overflow: hidden;
    background: var(--kf-primary-soft);
}

.zcbb66related-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.zcbb66related-body {
    padding: 10px;
}

.zcbb66related-body h4 {
    font-size: 13px;
    margin: 0 0 4px;
    line-height: 1.35;
}

.zcbb66related-body h4 a {
    color: var(--kf-dark);
    text-decoration: none;
}

.zcbb66related-body p {
    font-size: 11px;
    color: var(--kf-text-muted);
    margin: 0;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.zcbb66sidebar {
    position: sticky;
    top: calc(var(--kf-header-h) + 12px);
}

.zcbb66sidebar-box {
    background: var(--kf-surface);
    border: 1px solid var(--kf-border);
    border-radius: var(--kf-radius-lg);
    padding: 18px;
    margin-bottom: 16px;
    overflow: hidden;
}

.zcbb66sidebar-title {
    font-size: 15px;
    font-weight: 700;
    color: var(--kf-dark);
    margin: 0 0 12px;
    padding-bottom: 8px;
    border-bottom: 2px solid var(--kf-primary-light);
}

.zcbb66sidebar-title a {
    color: inherit;
    text-decoration: none;
}

.zcbb66sidebar-list {
    list-style: none;
    max-height: 420px;
    overflow-y: auto;
}

.zcbb66sidebar-item {
    border-bottom: 1px solid var(--kf-border);
}

.zcbb66sidebar-item:last-child {
    border-bottom: none;
}

.zcbb66sidebar-item a {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 0;
    text-decoration: none;
    color: var(--kf-text);
    font-size: 13px;
    line-height: 1.4;
}

.zcbb66sidebar-item a:hover {
    color: var(--kf-primary);
}

.zcbb66sidebar-thumb {
    flex-shrink: 0;
    width: 56px;
    height: 42px;
    border-radius: 6px;
    overflow: hidden;
    background: var(--kf-primary-soft);
    border: 1px solid var(--kf-border);
}

.zcbb66sidebar-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.zcbb66sidebar-text {
    flex: 1;
    min-width: 0;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* ===== 响应式 ===== */
@media (max-width: 1200px) {
    .zcbb66service-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .zcbb66home-articles-grid {
        grid-template-columns: repeat(4, 1fr);
    }

    .zcbb66page-layout {
        grid-template-columns: 1fr 250px;
    }

    .zcbb66nav-item {
        margin-left: 14px;
    }

    .zcbb66nav-item a {
        font-size: 13px;
    }
}

@media (max-width: 992px) {
    :root {
        --kf-header-h: 60px;
    }

    .zcbb66menu-toggle {
        display: flex;
    }

    .zcbb66nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: min(280px, 85vw);
        height: 100vh;
        background: var(--kf-surface);
        box-shadow: -4px 0 20px rgba(0, 0, 0, 0.1);
        transition: right var(--kf-transition);
        z-index: 1001;
        overflow-y: auto;
        padding: calc(var(--kf-header-h) + 8px) 0 20px;
    }

    .zcbb66nav.zcbb66active {
        right: 0;
    }

    .zcbb66nav-list {
        flex-direction: column;
        align-items: stretch;
    }

    .zcbb66nav-item {
        margin: 0;
        border-bottom: 1px solid var(--kf-border);
    }

    .zcbb66nav-item a {
        display: block;
        padding: 13px 20px;
    }

    .zcbb66nav-item.zcbb66this a {
        background: var(--kf-primary-soft);
        color: var(--kf-primary-dark);
    }

    .zcbb66hero-wrapper {
        grid-template-columns: 1fr;
        gap: 28px;
    }

    .zcbb66hero-content {
        text-align: center;
    }

    .zcbb66hero-content > p {
        margin-left: auto;
        margin-right: auto;
    }

    .zcbb66hero-features,
    .zcbb66cta-buttons {
        justify-content: center;
    }

    .zcbb66hero-image {
        max-width: 420px;
        margin: 0 auto;
    }

    .zcbb66stats-bar-item + .zcbb66stats-bar-item {
        border-left: none;
    }

    .zcbb66stats-bar-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .zcbb66stats-bar-item:nth-child(1),
    .zcbb66stats-bar-item:nth-child(2) {
        border-bottom: 1px solid var(--kf-border);
        padding-bottom: 12px;
    }

    .zcbb66advantages-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .zcbb66advantages-stats {
        grid-template-columns: repeat(2, 1fr);
    }

    .zcbb66process-timeline {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }

    .zcbb66process-wrapper {
        grid-template-columns: 1fr;
    }

    .zcbb66process-features {
        grid-template-columns: repeat(2, 1fr);
    }

    .zcbb66features-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .zcbb66features-highlight {
        grid-template-columns: 1fr;
    }

    .zcbb66faq-grid {
        grid-template-columns: 1fr;
    }

    .zcbb66faq-content {
        padding-left: 18px;
    }

    .zcbb66contact-grid {
        grid-template-columns: 1fr;
    }

    .zcbb66contact-features {
        grid-template-columns: repeat(2, 1fr);
    }

    .zcbb66home-articles-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .zcbb66page-layout {
        grid-template-columns: 1fr;
    }

    .zcbb66sidebar {
        position: static;
    }

    .zcbb66footer-wrapper {
        grid-template-columns: 1fr 1fr;
    }

    .zcbb66footer-info {
        grid-column: 1 / -1;
    }

    .zcbb66list-item {
        flex-direction: column;
    }

    .zcbb66list-thumb {
        width: 100%;
        height: 170px;
    }

    .zcbb66pagebar {
        flex-direction: column;
        align-items: stretch;
    }

    .zcbb66pagebar-prev,
    .zcbb66pagebar-next {
        text-align: center;
    }

    .zcbb66article-navlinks {
        flex-direction: column;
    }

    .zcbb66article-prev,
    .zcbb66article-next {
        max-width: 100%;
        text-align: left;
    }
}

@media (max-width: 768px) {
    .zcbb66container {
        padding: 0 16px;
    }

    .zcbb66services,
    .zcbb66process,
    .zcbb66features,
    .zcbb66faq,
    .zcbb66home-articles,
    .zcbb66contact {
        padding: 48px 0;
    }

    .zcbb66service-grid {
        grid-template-columns: 1fr;
    }

    .zcbb66advantages-grid,
    .zcbb66features-grid {
        grid-template-columns: 1fr;
    }

    .zcbb66process-timeline {
        grid-template-columns: 1fr;
    }

    .zcbb66process-features {
        grid-template-columns: 1fr 1fr;
    }

    .zcbb66service-details {
        grid-template-columns: 1fr;
    }

    .zcbb66service-cta {
        flex-direction: column;
    }

    .zcbb66form-group {
        grid-template-columns: 1fr;
    }

    .zcbb66contact-form-wrapper {
        padding: 20px 16px;
    }

    .zcbb66faq-contact .zcbb66contact-card {
        flex-direction: column;
        text-align: center;
    }

    .zcbb66home-articles-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .zcbb66footer-wrapper {
        grid-template-columns: 1fr;
    }

    .zcbb66page-content {
        padding: 20px 16px;
    }

    .zcbb66hero-features {
        flex-direction: column;
        align-items: center;
    }

    .zcbb66hero-feature-item {
        width: 100%;
        max-width: 260px;
    }

    .zcbb66cta-buttons {
        flex-direction: column;
        width: 100%;
    }

    .zcbb66cta-buttons .zcbb66btn {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .zcbb66container {
        padding: 0 14px;
    }

    .zcbb66logo {
        font-size: 17px;
    }

    .zcbb66stats-bar-grid {
        grid-template-columns: 1fr 1fr;
        gap: 10px;
    }

    .zcbb66advantages-stats {
        padding: 18px 14px;
        grid-template-columns: 1fr 1fr;
    }

    .zcbb66features-highlight {
        padding: 18px 14px;
    }

    .zcbb66contact-features,
    .zcbb66process-features {
        grid-template-columns: 1fr;
    }

    .zcbb66home-articles-grid {
        grid-template-columns: 1fr;
    }

    .zcbb66related-list {
        grid-template-columns: 1fr;
    }
}