/* ===== 空放主题 · 青绿琥珀配色 ===== */
:root {
    --kf-primary: #157a6e;
    --kf-primary-dark: #0e5c54;
    --kf-primary-light: #e8f4f2;
    --kf-accent: #c9782a;
    --kf-accent-soft: #f5ebe0;
    --kf-dark: #1a2f35;
    --kf-bg: #f4f8f7;
    --kf-surface: #ffffff;
    --kf-text: #1e3238;
    --kf-muted: #5c7078;
    --kf-border: #d4e4e0;
    --kf-radius: 12px;
    --kf-radius-lg: 16px;
    --kf-shadow: 0 4px 20px rgba(21, 122, 110, 0.08);
    --kf-header-h: 68px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: "PingFang SC", "Microsoft YaHei", "微软雅黑", 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;
}

.z8b3d2container {
    max-width: 1180px;
    margin: 0 auto;
    padding: 0 20px;
    width: 100%;
}

/* ----- 头部 ----- */
.z8b3d2header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.96);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--kf-border);
    height: var(--kf-header-h);
}

.z8b3d2header .z8b3d2container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: var(--kf-header-h);
    padding: 0 20px;
}

.z8b3d2logo h1 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--kf-primary-dark);
    letter-spacing: 0.02em;
}

.z8b3d2logo h1 a {
    text-decoration: none;
    color: inherit;
}

.z8b3d2nav {
    display: flex;
    list-style: none;
    flex-wrap: wrap;
    align-items: center;
    gap: 4px 6px;
}

.z8b3d2nav-item a {
    display: block;
    padding: 6px 10px;
    text-decoration: none;
    color: var(--kf-text);
    font-size: 0.875rem;
    font-weight: 500;
    border-radius: 6px;
    transition: color 0.2s, background 0.2s;
    white-space: nowrap;
}

.z8b3d2nav-item a:hover,
.z8b3d2nav-item.z8b3d2this a {
    color: var(--kf-primary);
    background: var(--kf-primary-light);
}

.z8b3d2menu-toggle {
    display: none;
    font-size: 1.5rem;
    color: var(--kf-primary-dark);
    cursor: pointer;
    padding: 8px;
    border: 1px solid var(--kf-border);
    border-radius: 8px;
    line-height: 1;
}

/* ----- 通用区块 ----- */
.z8b3d2section-head {
    text-align: center;
    max-width: 720px;
    margin: 0 auto 40px;
}

.z8b3d2section-title {
    font-size: clamp(1.5rem, 3vw, 2rem);
    color: var(--kf-dark);
    margin-bottom: 12px;
    font-weight: 700;
}

.z8b3d2section-desc {
    color: var(--kf-muted);
    font-size: 1rem;
    line-height: 1.7;
}

.z8b3d2kf-card {
    background: var(--kf-surface);
    border: 1px solid var(--kf-border);
    border-radius: var(--kf-radius);
    box-shadow: var(--kf-shadow);
    overflow: hidden;
    min-width: 0;
}

/* ----- 首屏 Hero ----- */
.z8b3d2hero {
    padding: calc(var(--kf-header-h) + 48px) 0 56px;
    background: linear-gradient(145deg, var(--kf-primary-dark) 0%, var(--kf-primary) 55%, #1a8a7d 100%);
    color: #fff;
    position: relative;
}

.z8b3d2hero::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 48px;
    background: var(--kf-bg);
    clip-path: ellipse(75% 100% at 50% 100%);
}

.z8b3d2hero-wrapper {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 40px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.z8b3d2hero-badge {
    display: inline-block;
    padding: 6px 14px;
    background: rgba(255, 255, 255, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.25);
    border-radius: 50px;
    font-size: 0.8125rem;
    margin-bottom: 16px;
}

.z8b3d2hero-content h2 {
    font-size: clamp(1.5rem, 4vw, 2.25rem);
    line-height: 1.35;
    margin-bottom: 16px;
    font-weight: 700;
}

.z8b3d2hero-content > p {
    font-size: 1rem;
    opacity: 0.92;
    margin-bottom: 24px;
    line-height: 1.75;
}

.z8b3d2hero-features {
    display: flex;
    flex-wrap: wrap;
    gap: 20px 28px;
    margin-bottom: 28px;
}

.z8b3d2hero-feature {
    text-align: left;
}

.z8b3d2feature-number {
    display: block;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--kf-accent);
}

.z8b3d2feature-text {
    font-size: 0.8125rem;
    opacity: 0.88;
}

.z8b3d2cta-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.z8b3d2btn {
    display: inline-block;
    padding: 12px 24px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9375rem;
    transition: transform 0.2s, box-shadow 0.2s;
    border: none;
    cursor: pointer;
}

.z8b3d2btn-primary {
    background: var(--kf-accent);
    color: #fff;
}

.z8b3d2btn-secondary {
    background: transparent;
    border: 2px solid rgba(255, 255, 255, 0.7);
    color: #fff;
}

.z8b3d2btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.15);
}

.z8b3d2hero-image {
    display: flex;
    align-items: center;
    justify-content: center;
}

.z8b3d2hero-image img {
    max-height: 320px;
    width: auto;
    border-radius: var(--kf-radius-lg);
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.2);
    object-fit: contain;
}

/* ----- 品牌简介 ----- */
.z8b3d2intro {
    padding: 56px 0;
    background: var(--kf-bg);
}

.z8b3d2intro-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
    align-items: start;
}

.z8b3d2intro-text {
    background: var(--kf-surface);
    border: 1px solid var(--kf-border);
    border-radius: var(--kf-radius-lg);
    padding: 28px 32px;
}

.z8b3d2intro-text h3 {
    font-size: 1.25rem;
    color: var(--kf-primary-dark);
    margin-bottom: 16px;
}

.z8b3d2intro-text p {
    color: var(--kf-muted);
    margin-bottom: 14px;
    font-size: 0.9375rem;
    line-height: 1.8;
}

.z8b3d2intro-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 20px;
}

.z8b3d2intro-tag {
    padding: 8px 14px;
    background: var(--kf-primary-light);
    color: var(--kf-primary-dark);
    border-radius: 8px;
    font-size: 0.8125rem;
    font-weight: 500;
    border: 1px solid var(--kf-border);
}

.z8b3d2intro-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

.z8b3d2intro-stat {
    background: var(--kf-surface);
    border: 1px solid var(--kf-border);
    border-radius: var(--kf-radius);
    padding: 20px;
    text-align: center;
}

.z8b3d2intro-stat strong {
    display: block;
    font-size: 1.5rem;
    color: var(--kf-primary);
    margin-bottom: 6px;
}

.z8b3d2intro-stat span {
    font-size: 0.8125rem;
    color: var(--kf-muted);
}

/* ----- 服务产品 ----- */
.z8b3d2features {
    padding: 56px 0;
    background: var(--kf-surface);
}

.z8b3d2service-framework {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.z8b3d2service-card {
    display: flex;
    flex-direction: column;
    height: 100%;
    border: 1px solid var(--kf-border);
    border-radius: var(--kf-radius);
    background: var(--kf-surface);
    overflow: hidden;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.z8b3d2service-card:hover {
    border-color: var(--kf-primary);
    box-shadow: var(--kf-shadow);
}

.z8b3d2service-icon {
    padding: 20px 20px 0;
    text-align: left;
}

.z8b3d2service-icon-inner {
    font-size: 2rem;
    font-style: normal;
    display: inline-flex;
    width: 48px;
    height: 48px;
    align-items: center;
    justify-content: center;
    background: var(--kf-primary-light);
    border-radius: 10px;
}

.z8b3d2service-content {
    padding: 16px 20px 20px;
    flex: 1;
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.z8b3d2service-content h3 {
    font-size: 1.125rem;
    color: var(--kf-dark);
    margin-bottom: 10px;
}

.z8b3d2service-desc {
    color: var(--kf-muted);
    font-size: 0.875rem;
    line-height: 1.7;
    margin-bottom: 16px;
    flex: 1;
}

.z8b3d2service-details {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    margin-bottom: 16px;
}

.z8b3d2detail-item {
    background: var(--kf-bg);
    border: 1px solid var(--kf-border);
    padding: 10px;
    border-radius: 8px;
    text-align: center;
    min-width: 0;
}

.z8b3d2detail-label {
    display: block;
    color: var(--kf-muted);
    font-size: 0.75rem;
    margin-bottom: 4px;
}

.z8b3d2detail-value {
    color: var(--kf-dark);
    font-weight: 600;
    font-size: 0.8125rem;
    word-break: break-all;
}

.z8b3d2service-btn {
    display: block;
    text-align: center;
    padding: 10px;
    background: var(--kf-primary);
    color: #fff;
    text-decoration: none;
    border-radius: 8px;
    font-size: 0.875rem;
    font-weight: 600;
    margin-top: auto;
    transition: background 0.2s;
}

.z8b3d2service-btn:hover {
    background: var(--kf-primary-dark);
}

/* ----- 办理流程 ----- */
.z8b3d2process {
    padding: 56px 0;
    background: var(--kf-bg);
}

.z8b3d2process-framework {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.z8b3d2process-card {
    position: relative;
    border: 1px solid var(--kf-border);
    border-radius: var(--kf-radius);
    background: var(--kf-surface);
    padding: 24px 20px;
    min-width: 0;
}

.z8b3d2process-number {
    position: absolute;
    top: 12px;
    right: 14px;
    font-size: 2rem;
    font-weight: 800;
    color: var(--kf-primary-light);
    line-height: 1;
}

.z8b3d2process-icon {
    width: 44px;
    height: 44px;
    background: var(--kf-primary);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 14px;
}

.z8b3d2process-icon-inner {
    font-size: 1.25rem;
    font-style: normal;
    color: #fff;
}

.z8b3d2process-content h3 {
    font-size: 1.0625rem;
    color: var(--kf-dark);
    margin-bottom: 8px;
}

.z8b3d2process-desc {
    color: var(--kf-muted);
    font-size: 0.8125rem;
    margin-bottom: 14px;
    line-height: 1.6;
}

.z8b3d2process-details {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.z8b3d2process-detail-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.8125rem;
    color: var(--kf-text);
    padding: 8px 10px;
    background: var(--kf-bg);
    border-radius: 6px;
    border: 1px solid var(--kf-border);
}

.z8b3d2process-detail-icon {
    color: var(--kf-primary);
    font-weight: bold;
    flex-shrink: 0;
}

/* ----- 优势 ----- */
.z8b3d2advantages {
    padding: 56px 0;
    background: var(--kf-surface);
}

.z8b3d2advantages-framework {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.z8b3d2advantage-card {
    border: 1px solid var(--kf-border);
    border-radius: var(--kf-radius);
    padding: 22px 20px;
    background: var(--kf-surface);
    display: flex;
    gap: 16px;
    align-items: flex-start;
    min-width: 0;
    transition: border-color 0.2s;
}

.z8b3d2advantage-card:hover {
    border-color: var(--kf-primary);
}

.z8b3d2advantage-icon {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    background: var(--kf-accent-soft);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.z8b3d2advantage-icon-inner {
    font-size: 1.5rem;
    font-style: normal;
}

.z8b3d2advantage-content {
    flex: 1;
    min-width: 0;
}

.z8b3d2advantage-content h3 {
    font-size: 1rem;
    color: var(--kf-dark);
    margin-bottom: 8px;
}

.z8b3d2advantage-desc {
    color: var(--kf-muted);
    font-size: 0.8125rem;
    margin-bottom: 12px;
    line-height: 1.6;
}

.z8b3d2advantage-details {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.z8b3d2advantage-detail-item {
    font-size: 0.8125rem;
    color: var(--kf-text);
    display: flex;
    align-items: center;
    gap: 6px;
}

.z8b3d2advantage-detail-icon {
    color: var(--kf-primary);
    font-weight: bold;
}

/* ----- FAQ ----- */
.z8b3d2faq {
    padding: 56px 0;
    background: var(--kf-bg);
}

.z8b3d2faq-framework {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.z8b3d2faq-card {
    border: 1px solid var(--kf-border);
    border-radius: var(--kf-radius);
    padding: 22px 24px;
    background: var(--kf-surface);
    min-width: 0;
}

.z8b3d2faq-icon {
    display: none;
}

.z8b3d2faq-content h3 {
    font-size: 1rem;
    color: var(--kf-dark);
    margin-bottom: 10px;
    padding-left: 14px;
    border-left: 3px solid var(--kf-primary);
}

.z8b3d2faq-desc {
    color: var(--kf-muted);
    font-size: 0.875rem;
    line-height: 1.75;
    margin-bottom: 14px;
}

.z8b3d2faq-details {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.z8b3d2faq-detail-item {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    background: var(--kf-primary-light);
    border-radius: 6px;
    font-size: 0.75rem;
    color: var(--kf-primary-dark);
}

.z8b3d2faq-detail-icon {
    color: var(--kf-primary);
}

/* ----- 资讯 ----- */
.z8b3d2articles {
    padding: 56px 0;
    background: var(--kf-surface);
}

.z8b3d2home-articles {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 16px;
}

.z8b3d2home-article-item {
    border: 1px solid var(--kf-border);
    border-radius: var(--kf-radius);
    overflow: hidden;
    background: var(--kf-surface);
    transition: box-shadow 0.2s;
    min-width: 0;
}

.z8b3d2home-article-item:hover {
    box-shadow: var(--kf-shadow);
}

.z8b3d2home-article-thumb {
    display: block;
    aspect-ratio: 4/3;
    overflow: hidden;
}

.z8b3d2home-article-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.z8b3d2home-article-title {
    font-size: 0.875rem;
    padding: 12px 12px 4px;
    line-height: 1.45;
}

.z8b3d2home-article-title a {
    color: var(--kf-dark);
    text-decoration: none;
}

.z8b3d2home-article-title a:hover {
    color: var(--kf-primary);
}

.z8b3d2home-article-date {
    font-size: 0.75rem;
    color: var(--kf-muted);
    padding: 0 12px 12px;
}

/* ----- 案例 ----- */
.z8b3d2cases {
    padding: 56px 0;
    background: var(--kf-bg);
}

.z8b3d2cases-framework {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.z8b3d2case-card {
    border: 1px solid var(--kf-border);
    border-radius: var(--kf-radius);
    padding: 22px 20px;
    background: var(--kf-surface);
    min-width: 0;
}

.z8b3d2case-icon {
    margin-bottom: 12px;
}

.z8b3d2case-icon-inner {
    font-size: 1.75rem;
    font-style: normal;
}

.z8b3d2case-content h3 {
    font-size: 1rem;
    color: var(--kf-dark);
    margin-bottom: 10px;
}

.z8b3d2case-desc {
    color: var(--kf-muted);
    font-size: 0.8125rem;
    line-height: 1.7;
    margin-bottom: 16px;
}

.z8b3d2case-details {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
}

.z8b3d2case-detail-item {
    padding: 10px;
    background: var(--kf-bg);
    border: 1px solid var(--kf-border);
    border-radius: 8px;
    text-align: center;
}

.z8b3d2case-detail-label {
    display: block;
    font-size: 0.75rem;
    color: var(--kf-muted);
    margin-bottom: 4px;
}

.z8b3d2case-detail-value {
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--kf-dark);
}

/* ----- 联系 ----- */
.z8b3d2contact {
    padding: 56px 0;
    background: var(--kf-surface);
}

.z8b3d2contact-framework {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.z8b3d2contact-card {
    border: 1px solid var(--kf-border);
    border-radius: var(--kf-radius);
    padding: 24px;
    background: var(--kf-surface);
    min-width: 0;
}

.z8b3d2contact-icon {
    display: none;
}

.z8b3d2contact-content h3 {
    font-size: 1.125rem;
    color: var(--kf-dark);
    margin-bottom: 18px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--kf-border);
}

.z8b3d2contact-details {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.z8b3d2contact-detail-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 12px;
    background: var(--kf-bg);
    border-radius: 8px;
    border: 1px solid var(--kf-border);
}

.z8b3d2contact-detail-icon {
    font-size: 1.25rem;
    flex-shrink: 0;
}

.z8b3d2contact-detail-info {
    display: flex;
    flex-direction: column;
    gap: 2px;
    min-width: 0;
}

.z8b3d2contact-detail-label {
    display: block;
    font-size: 0.75rem;
    color: var(--kf-muted);
    margin-bottom: 2px;
}

.z8b3d2contact-detail-value {
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--kf-dark);
}

.z8b3d2contact-form-card {
    grid-column: 1 / -1;
}

.z8b3d2contact-form {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

.z8b3d2form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
    min-width: 0;
}

.z8b3d2form-group label {
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--kf-dark);
}

.z8b3d2form-group input,
.z8b3d2form-group select,
.z8b3d2form-group textarea {
    padding: 10px 12px;
    border: 1px solid var(--kf-border);
    border-radius: 8px;
    font-size: 0.9375rem;
    font-family: inherit;
    width: 100%;
    max-width: 100%;
}

.z8b3d2form-group input:focus,
.z8b3d2form-group select:focus,
.z8b3d2form-group textarea:focus {
    outline: none;
    border-color: var(--kf-primary);
    box-shadow: 0 0 0 3px var(--kf-primary-light);
}

.z8b3d2form-group textarea {
    min-height: 100px;
    resize: vertical;
}

.z8b3d2form-group--full {
    grid-column: 1 / -1;
}

.z8b3d2submit-btn {
    grid-column: 1 / -1;
    padding: 14px;
    background: var(--kf-primary);
    color: #fff;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s;
}

.z8b3d2submit-btn:hover {
    background: var(--kf-primary-dark);
}

/* ----- 页脚 ----- */
.z8b3d2footer {
    background: var(--kf-dark);
    color: rgba(255, 255, 255, 0.85);
    padding: 48px 0 24px;
}

.z8b3d2footer-content {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    margin-bottom: 32px;
}

.z8b3d2footer-section h4 {
    color: #fff;
    font-size: 1rem;
    margin-bottom: 14px;
}

.z8b3d2footer-section p,
.z8b3d2footer-section li {
    font-size: 0.875rem;
    line-height: 1.7;
    opacity: 0.85;
}

.z8b3d2footer-section ul {
    list-style: none;
}

.z8b3d2footer-section ul li {
    margin-bottom: 8px;
}

.z8b3d2footer-bottom {
    text-align: center;
    padding-top: 24px;
    border-top: 1px solid rgba(255, 255, 255, 0.12);
    font-size: 0.8125rem;
}

.z8b3d2footer-bottom a {
    color: var(--kf-accent);
    text-decoration: none;
}

.z8b3d2footer-links {
    margin-top: 12px;
}

.z8b3d2footer-links li {
    display: inline-block;
    margin: 4px 8px;
}

.z8b3d2footer-links a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
}

/* ----- 内页 ----- */
.z8b3d2page-banner {
    padding: calc(var(--kf-header-h) + 32px) 0 28px;
    background: linear-gradient(135deg, var(--kf-primary-dark), var(--kf-primary));
    color: #fff;
}

.z8b3d2page-title {
    font-size: clamp(1.25rem, 3vw, 1.75rem);
    margin-bottom: 8px;
}

.z8b3d2breadcrumb {
    font-size: 0.875rem;
    opacity: 0.9;
}

.z8b3d2breadcrumb a {
    color: #fff;
    text-decoration: none;
}

.z8b3d2page-wrap {
    padding: 36px 0 56px;
}

.z8b3d2page-layout {
    display: grid;
    grid-template-columns: 1fr 280px;
    gap: 24px;
    align-items: start;
}

.z8b3d2main-content {
    background: var(--kf-surface);
    border: 1px solid var(--kf-border);
    border-radius: var(--kf-radius);
    padding: 28px;
    min-width: 0;
}

.z8b3d2list-item {
    display: flex;
    gap: 20px;
    padding: 22px 0;
    border-bottom: 1px solid var(--kf-border);
    min-width: 0;
}

.z8b3d2list-item:last-child {
    border-bottom: none;
}

.z8b3d2list-thumb {
    flex-shrink: 0;
    width: 200px;
    max-width: 40%;
    aspect-ratio: 4/3;
    overflow: hidden;
    border-radius: 8px;
    border: 1px solid var(--kf-border);
}

.z8b3d2list-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.z8b3d2list-info {
    flex: 1;
    min-width: 0;
}

.z8b3d2list-title {
    font-size: 1.125rem;
    margin-bottom: 8px;
}

.z8b3d2list-title a {
    color: var(--kf-dark);
    text-decoration: none;
}

.z8b3d2list-title a:hover {
    color: var(--kf-primary);
}

.z8b3d2list-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    font-size: 0.8125rem;
    color: var(--kf-muted);
    margin-bottom: 8px;
}

.z8b3d2list-cate {
    color: var(--kf-primary);
}

.z8b3d2list-desc {
    font-size: 0.875rem;
    color: var(--kf-muted);
    line-height: 1.7;
    margin-bottom: 8px;
}

.z8b3d2list-more {
    color: var(--kf-accent);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 500;
}

.z8b3d2pagebar {
    margin-top: 24px;
    padding-top: 20px;
    border-top: 1px solid var(--kf-border);
}

.z8b3d2pagelist {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    list-style: none;
    justify-content: center;
}

.z8b3d2pagelist a,
.z8b3d2pagelist span {
    display: inline-block;
    padding: 8px 14px;
    border: 1px solid var(--kf-border);
    border-radius: 6px;
    color: var(--kf-text);
    text-decoration: none;
    font-size: 0.875rem;
}

.z8b3d2pagelist a:hover,
.z8b3d2pagelist .thisclass,
.z8b3d2pagelist .page-num-current {
    background: var(--kf-primary);
    color: #fff;
    border-color: var(--kf-primary);
}

.z8b3d2article-title {
    font-size: clamp(1.25rem, 3vw, 1.625rem);
    color: var(--kf-dark);
    margin-bottom: 12px;
    line-height: 1.4;
}

.z8b3d2article-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    font-size: 0.8125rem;
    color: var(--kf-muted);
    padding-bottom: 16px;
    border-bottom: 1px solid var(--kf-border);
    margin-bottom: 20px;
}

.z8b3d2article-meta a {
    color: var(--kf-primary);
    text-decoration: none;
}

.z8b3d2article-thumb {
    margin-bottom: 20px;
    border-radius: var(--kf-radius);
    overflow: hidden;
    border: 1px solid var(--kf-border);
}

.z8b3d2article-body {
    font-size: 1rem;
    line-height: 1.85;
    color: var(--kf-text);
}

.z8b3d2article-body img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
}

.z8b3d2diyfield {
    margin: 20px 0;
    padding: 16px;
    background: var(--kf-bg);
    border: 1px solid var(--kf-border);
    border-radius: 8px;
}

.z8b3d2meta-tags {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px;
    padding: 16px 0;
    border-top: 1px solid var(--kf-border);
    margin: 20px 0;
}

.z8b3d2tag-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    list-style: none;
}

.z8b3d2tagitem a {
    padding: 4px 12px;
    background: var(--kf-primary-light);
    color: var(--kf-primary-dark);
    border-radius: 20px;
    font-size: 0.8125rem;
    text-decoration: none;
}

.z8b3d2article-nav {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
    font-size: 0.875rem;
    padding-top: 16px;
    border-top: 1px solid var(--kf-border);
}

.z8b3d2article-nav a {
    color: var(--kf-primary);
    text-decoration: none;
}

.z8b3d2related {
    margin-top: 28px;
    padding-top: 24px;
    border-top: 1px solid var(--kf-border);
}

.z8b3d2related-title {
    font-size: 1.125rem;
    margin-bottom: 16px;
    color: var(--kf-dark);
}

.z8b3d2related-item {
    display: flex;
    gap: 14px;
    padding: 14px 0;
    border-bottom: 1px solid var(--kf-border);
}

.z8b3d2related-thumb {
    flex-shrink: 0;
    width: 110px;
    height: 72px;
    overflow: hidden;
    border-radius: 8px;
    border: 1px solid var(--kf-border);
}

.z8b3d2related-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.z8b3d2sidebar {
    position: sticky;
    top: calc(var(--kf-header-h) + 16px);
}

.z8b3d2sidebar-widget {
    background: var(--kf-surface);
    border: 1px solid var(--kf-border);
    border-radius: var(--kf-radius);
    padding: 18px;
    margin-bottom: 16px;
}

.z8b3d2sidebar-title {
    font-size: 1rem;
    color: var(--kf-dark);
    padding-bottom: 10px;
    margin-bottom: 12px;
    border-bottom: 2px solid var(--kf-primary);
}

.z8b3d2sidebar-item {
    display: flex;
    gap: 10px;
    padding: 10px 0;
    border-bottom: 1px dashed var(--kf-border);
    min-width: 0;
}

.z8b3d2sidebar-thumb {
    flex-shrink: 0;
    width: 64px;
    height: 48px;
    overflow: hidden;
    border-radius: 6px;
    border: 1px solid var(--kf-border);
}

.z8b3d2sidebar-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.z8b3d2sidebar-link {
    font-size: 0.8125rem;
    color: var(--kf-text);
    text-decoration: none;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.z8b3d2sidebar-link:hover {
    color: var(--kf-primary);
}

.z8b3d2sidebar-date {
    font-size: 0.75rem;
    color: var(--kf-muted);
}

.z8b3d2sidebar-item-text a {
    font-size: 0.8125rem;
    color: var(--kf-text);
    text-decoration: none;
    display: block;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

@media (max-width: 1024px) and (min-width: 769px) {
    .z8b3d2nav-item a {
        padding: 5px 7px;
        font-size: 0.8125rem;
    }

    .z8b3d2logo h1 {
        font-size: 1.1rem;
    }
}

/* ===== 响应式 ===== */
@media (max-width: 1100px) {
    .z8b3d2service-framework,
    .z8b3d2advantages-framework {
        grid-template-columns: repeat(2, 1fr);
    }

    .z8b3d2process-framework {
        grid-template-columns: repeat(2, 1fr);
    }

    .z8b3d2home-articles {
        grid-template-columns: repeat(4, 1fr);
    }
}

@media (max-width: 992px) {
    .z8b3d2hero-wrapper {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .z8b3d2hero-features,
    .z8b3d2cta-buttons {
        justify-content: center;
    }

    .z8b3d2hero-image {
        order: -1;
    }

    .z8b3d2intro-grid {
        grid-template-columns: 1fr;
    }

    .z8b3d2cases-framework {
        grid-template-columns: repeat(2, 1fr);
    }

    .z8b3d2page-layout {
        grid-template-columns: 1fr;
    }

    .z8b3d2sidebar {
        position: static;
    }

    .z8b3d2home-articles {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    .z8b3d2menu-toggle {
        display: block;
    }

    .z8b3d2main-nav {
        position: fixed;
        top: var(--kf-header-h);
        left: 0;
        right: 0;
        bottom: 0;
        background: var(--kf-surface);
        border-top: 1px solid var(--kf-border);
        transform: translateX(-100%);
        transition: transform 0.3s ease;
        overflow-y: auto;
        z-index: 999;
    }

    .z8b3d2main-nav.z8b3d2active {
        transform: translateX(0);
    }

    .z8b3d2nav {
        flex-direction: column;
        align-items: stretch;
        padding: 12px 16px 24px;
        gap: 0;
    }

    .z8b3d2nav-item a {
        padding: 14px 12px;
        border-bottom: 1px solid var(--kf-border);
        border-radius: 0;
    }

    .z8b3d2service-framework,
    .z8b3d2process-framework,
    .z8b3d2advantages-framework,
    .z8b3d2faq-framework,
    .z8b3d2cases-framework,
    .z8b3d2contact-framework,
    .z8b3d2footer-content {
        grid-template-columns: 1fr;
    }

    .z8b3d2service-details,
    .z8b3d2case-details {
        grid-template-columns: 1fr;
    }

    .z8b3d2contact-form {
        grid-template-columns: 1fr;
    }

    .z8b3d2intro-stats {
        grid-template-columns: 1fr 1fr;
    }

    .z8b3d2list-item {
        flex-direction: column;
    }

    .z8b3d2list-thumb {
        width: 100%;
        max-width: 100%;
    }

    .z8b3d2home-articles {
        grid-template-columns: repeat(2, 1fr);
    }

    .z8b3d2main-content {
        padding: 20px 16px;
    }

    .z8b3d2article-nav {
        flex-direction: column;
    }

    .z8b3d2related-item {
        flex-direction: column;
    }

    .z8b3d2related-thumb {
        width: 100%;
        height: 140px;
    }
}

@media (max-width: 480px) {
    .z8b3d2container {
        padding: 0 14px;
    }

    .z8b3d2home-articles {
        grid-template-columns: 1fr;
    }

    .z8b3d2intro-stats {
        grid-template-columns: 1fr;
    }

    .z8b3d2hero-features {
        flex-direction: column;
        align-items: center;
        gap: 12px;
    }
}