/* 空放官网模板 - 单文件样式 */
:root {
    --kf-primary: #1a4d7c;
    --kf-primary-dark: #123556;
    --kf-accent: #0f766e;
    --kf-accent-light: #14b8a6;
    --kf-gold: #b45309;
    --kf-dark: #1e293b;
    --kf-text: #334155;
    --kf-muted: #64748b;
    --kf-bg: #f4f7fb;
    --kf-white: #ffffff;
    --kf-border: #dbe3ef;
    --kf-radius: 6px;
    --kf-shadow: 0 2px 12px rgba(26, 77, 124, 0.07);
    --kf-header-h: 64px;
    --kf-wrap: 1140px;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: calc(var(--kf-header-h) + 12px);
}

body {
    font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
    font-size: 15px;
    line-height: 1.7;
    color: var(--kf-text);
    background: var(--kf-bg);
    -webkit-text-size-adjust: 100%;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
    border: 0;
}

a {
    color: var(--kf-primary);
    text-decoration: none;
    transition: color 0.2s;
}

a:hover {
    color: var(--kf-accent);
}

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

/* ========== 头部导航 ========== */
.kf-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    height: var(--kf-header-h);
    background: var(--kf-white);
    border-bottom: 1px solid var(--kf-border);
}

.kf-header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--kf-header-h);
    gap: 16px;
}

.kf-logo {
    font-size: 18px;
    font-weight: 700;
    flex-shrink: 0;
    max-width: 200px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

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

.kf-menu-btn {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 36px;
    height: 36px;
    padding: 6px;
    border: 1px solid var(--kf-border);
    border-radius: var(--kf-radius);
    background: var(--kf-white);
    cursor: pointer;
}

.kf-menu-btn span {
    display: block;
    height: 2px;
    background: var(--kf-dark);
    border-radius: 1px;
    transition: 0.25s;
}

.kf-menu-btn.is-open span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.kf-menu-btn.is-open span:nth-child(2) {
    opacity: 0;
}

.kf-menu-btn.is-open span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

.kf-nav-list {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 4px 2px;
    list-style: none;
}

.kf-nav-item a {
    display: block;
    padding: 8px 12px;
    font-size: 14px;
    color: var(--kf-text);
    border-radius: var(--kf-radius);
    white-space: nowrap;
}

.kf-nav-item a:hover,
.kf-nav-active > a,
.kf-nav-item.za4064this > a,
.kf-nav-item.kf-nav-active > a {
    color: var(--kf-white);
    background: var(--kf-primary);
}

.kf-nav-mask {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.45);
    z-index: 998;
}

.kf-nav-mask.is-open {
    display: block;
}

body.kf-nav-lock {
    overflow: hidden;
}

/* ========== 首页 Hero ========== */
.kf-home {
    padding-top: var(--kf-header-h);
}

.kf-hero {
    background: linear-gradient(135deg, var(--kf-primary-dark) 0%, var(--kf-primary) 55%, var(--kf-accent) 100%);
    color: var(--kf-white);
    padding: 56px 0 64px;
}

.kf-hero-grid {
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: 40px;
    align-items: center;
}

.kf-label {
    display: inline-block;
    font-size: 12px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    padding: 4px 10px;
    border: 1px solid rgba(255, 255, 255, 0.35);
    border-radius: 20px;
    margin-bottom: 16px;
    opacity: 0.9;
}

.kf-hero-title {
    font-size: clamp(26px, 4vw, 36px);
    line-height: 1.25;
    margin-bottom: 16px;
    font-weight: 700;
}

.kf-hero-desc {
    font-size: 15px;
    line-height: 1.85;
    opacity: 0.92;
    margin-bottom: 28px;
}

.kf-hero-desc strong {
    color: #fde68a;
    font-weight: 600;
}

.kf-hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.kf-btn {
    display: inline-block;
    padding: 12px 24px;
    font-size: 14px;
    font-weight: 600;
    border-radius: var(--kf-radius);
    border: 2px solid transparent;
    cursor: pointer;
    text-align: center;
}

.kf-btn-main {
    background: var(--kf-gold);
    color: var(--kf-white);
    border-color: var(--kf-gold);
}

.kf-btn-main:hover {
    background: #92400e;
    border-color: #92400e;
    color: var(--kf-white);
}

.kf-btn-line {
    background: transparent;
    color: var(--kf-white);
    border-color: rgba(255, 255, 255, 0.6);
}

.kf-btn-line:hover {
    background: rgba(255, 255, 255, 0.12);
    color: var(--kf-white);
}

.kf-hero-panel {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--kf-radius);
    padding: 24px;
    backdrop-filter: blur(6px);
}

.kf-stat-list {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    margin-bottom: 16px;
}

.kf-stat-list li {
    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, 0.15);
}

.kf-stat-list strong {
    display: block;
    font-size: 22px;
    margin-bottom: 4px;
}

.kf-stat-list span {
    font-size: 12px;
    opacity: 0.85;
}

.kf-hero-note {
    font-size: 13px;
    opacity: 0.85;
    line-height: 1.6;
}

/* ========== 通用区块 ========== */
.kf-intro {
    padding: 48px 0;
    background: var(--kf-white);
    border-bottom: 1px solid var(--kf-border);
}

.kf-intro-inner {
    display: grid;
    grid-template-columns: 220px 1fr;
    gap: 32px;
    align-items: start;
}

.kf-section {
    padding: 56px 0;
}

.kf-section-alt {
    background: var(--kf-white);
}

.kf-section-head {
    text-align: center;
    margin-bottom: 36px;
}

.kf-section-head-left {
    text-align: left;
    margin-bottom: 0;
}

.kf-section-head h2 {
    font-size: clamp(22px, 3vw, 28px);
    color: var(--kf-primary-dark);
    margin-bottom: 8px;
    font-weight: 700;
}

.kf-section-head p {
    font-size: 14px;
    color: var(--kf-muted);
}

.kf-intro-body p {
    margin-bottom: 14px;
    text-align: justify;
}

.kf-intro-body p:last-child {
    margin-bottom: 0;
}

/* 卡片 */
.kf-card-grid {
    display: grid;
    gap: 20px;
}

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

.kf-card {
    background: var(--kf-bg);
    border: 1px solid var(--kf-border);
    border-radius: var(--kf-radius);
    padding: 24px;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.kf-card-top {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 14px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--kf-border);
}

.kf-card-no {
    font-size: 12px;
    font-weight: 700;
    color: var(--kf-white);
    background: var(--kf-accent);
    width: 28px;
    height: 28px;
    line-height: 28px;
    text-align: center;
    border-radius: 4px;
    flex-shrink: 0;
}

.kf-card h3 {
    font-size: 17px;
    color: var(--kf-primary-dark);
}

.kf-card > p {
    font-size: 14px;
    margin-bottom: 14px;
    flex: 1;
}

.kf-card-list {
    list-style: none;
    font-size: 13px;
    color: var(--kf-muted);
}

.kf-card-list li {
    padding: 6px 0 6px 16px;
    position: relative;
    border-top: 1px solid var(--kf-border);
}

.kf-card-list li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 50%;
    width: 6px;
    height: 6px;
    margin-top: -3px;
    background: var(--kf-accent-light);
    border-radius: 50%;
}

/* 特色 */
.kf-feature-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}

.kf-feature {
    padding: 22px 18px;
    background: var(--kf-white);
    border: 1px solid var(--kf-border);
    border-radius: var(--kf-radius);
    height: 100%;
}

.kf-section-alt .kf-feature {
    background: var(--kf-bg);
}

.kf-feature-icon {
    width: 40px;
    height: 40px;
    margin-bottom: 14px;
    background: linear-gradient(135deg, var(--kf-primary), var(--kf-accent));
    border-radius: 8px;
    opacity: 0.9;
}

.kf-feature h3 {
    font-size: 16px;
    color: var(--kf-primary-dark);
    margin-bottom: 8px;
}

.kf-feature p {
    font-size: 13px;
    color: var(--kf-muted);
    line-height: 1.65;
}

/* 保障 */
.kf-adv-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.kf-adv-item {
    padding: 28px 22px;
    border: 1px solid var(--kf-border);
    border-radius: var(--kf-radius);
    background: var(--kf-bg);
    height: 100%;
}

.kf-section-alt .kf-adv-item {
    background: var(--kf-white);
}

.kf-adv-num {
    display: block;
    font-size: 28px;
    font-weight: 800;
    color: var(--kf-accent);
    opacity: 0.35;
    line-height: 1;
    margin-bottom: 10px;
}

.kf-adv-item h3 {
    font-size: 17px;
    color: var(--kf-primary-dark);
    margin-bottom: 8px;
}

.kf-adv-item p {
    font-size: 14px;
    color: var(--kf-muted);
}

/* 知识 */
.kf-knowledge {
    padding: 56px 0;
    background: var(--kf-primary-dark);
    color: var(--kf-white);
}

.kf-knowledge-grid {
    display: grid;
    grid-template-columns: 1fr 280px;
    gap: 32px;
    align-items: start;
}

.kf-knowledge-main h2 {
    font-size: 24px;
    margin-bottom: 18px;
}

.kf-knowledge-main p {
    font-size: 14px;
    line-height: 1.85;
    opacity: 0.9;
    margin-bottom: 14px;
    text-align: justify;
}

.kf-knowledge-aside {
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: var(--kf-radius);
    padding: 20px;
}

.kf-knowledge-aside h3 {
    font-size: 15px;
    margin: 16px 0 10px;
    color: var(--kf-accent-light);
}

.kf-knowledge-aside h3:first-child {
    margin-top: 0;
}

.kf-knowledge-aside ul {
    list-style: none;
    font-size: 13px;
    opacity: 0.88;
}

.kf-knowledge-aside li {
    padding: 5px 0 5px 14px;
    position: relative;
}

.kf-knowledge-aside li::before {
    content: "·";
    position: absolute;
    left: 0;
    color: var(--kf-accent-light);
}

/* 流程 */
.kf-steps {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    counter-reset: step;
}

.kf-steps li {
    position: relative;
    padding: 22px 16px;
    background: var(--kf-white);
    border: 1px solid var(--kf-border);
    border-radius: var(--kf-radius);
    min-height: 140px;
}

.kf-section-alt .kf-steps li {
    background: var(--kf-bg);
}

.kf-steps li span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background: var(--kf-primary);
    color: var(--kf-white);
    font-weight: 700;
    font-size: 14px;
    border-radius: 50%;
    margin-bottom: 12px;
}

.kf-steps h3 {
    font-size: 15px;
    color: var(--kf-primary-dark);
    margin-bottom: 8px;
}

.kf-steps p {
    font-size: 13px;
    color: var(--kf-muted);
    line-height: 1.6;
}

/* FAQ */
.kf-faq-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
}

.kf-faq {
    background: var(--kf-white);
    border: 1px solid var(--kf-border);
    border-radius: var(--kf-radius);
    overflow: hidden;
}

.kf-section-alt .kf-faq {
    background: var(--kf-bg);
}

.kf-faq summary {
    padding: 14px 16px;
    font-weight: 600;
    font-size: 14px;
    color: var(--kf-primary-dark);
    cursor: pointer;
    list-style: none;
}

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

.kf-faq summary::after {
    content: "+";
    float: right;
    font-weight: 400;
    color: var(--kf-accent);
}

.kf-faq[open] summary::after {
    content: "−";
}

.kf-faq p {
    padding: 0 16px 14px;
    font-size: 13px;
    color: var(--kf-muted);
    line-height: 1.65;
}

/* 资讯 */
.kf-article-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 16px;
}

.kf-article-item {
    background: var(--kf-white);
    border: 1px solid var(--kf-border);
    border-radius: var(--kf-radius);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.kf-section-alt .kf-article-item {
    background: var(--kf-bg);
}

.kf-article-thumb {
    display: block;
    aspect-ratio: 4/3;
    overflow: hidden;
    background: #e8eef5;
}

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

.kf-article-body {
    padding: 12px;
    flex: 1;
}

.kf-article-body h3 {
    font-size: 13px;
    line-height: 1.45;
    margin-bottom: 6px;
    font-weight: 600;
}

.kf-article-body h3 a {
    color: var(--kf-dark);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

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

/* 联系 */
.kf-section-contact {
    padding-bottom: 64px;
}

.kf-contact-box {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 32px;
    padding: 32px;
    background: var(--kf-white);
    border: 1px solid var(--kf-border);
    border-radius: var(--kf-radius);
    box-shadow: var(--kf-shadow);
}

.kf-contact-text h2 {
    font-size: 24px;
    color: var(--kf-primary-dark);
    margin-bottom: 14px;
}

.kf-contact-text p {
    font-size: 14px;
    line-height: 1.85;
    text-align: justify;
}

.kf-contact-list {
    list-style: none;
    border-left: 3px solid var(--kf-accent);
    padding-left: 20px;
}

.kf-contact-list li {
    margin-bottom: 18px;
}

.kf-contact-list li:last-child {
    margin-bottom: 0;
}

.kf-contact-list strong {
    display: block;
    font-size: 13px;
    color: var(--kf-muted);
    margin-bottom: 4px;
}

.kf-contact-list span {
    font-size: 15px;
    color: var(--kf-primary-dark);
    font-weight: 600;
}

/* 页脚 */
.kf-footer {
    background: var(--kf-dark);
    color: rgba(255, 255, 255, 0.75);
    padding: 40px 0 24px;
}

.kf-footer-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 32px;
    margin-bottom: 28px;
    padding-bottom: 28px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.kf-footer-col h4 {
    color: var(--kf-white);
    font-size: 15px;
    margin-bottom: 12px;
}

.kf-footer-col p {
    font-size: 13px;
    line-height: 1.7;
}

.kf-footer-links {
    list-style: none;
}

.kf-footer-links li {
    margin-bottom: 8px;
}

.kf-footer-links a {
    color: rgba(255, 255, 255, 0.7);
    font-size: 13px;
}

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

.kf-footer-bottom {
    text-align: center;
    font-size: 12px;
    line-height: 1.8;
}

.kf-footer-bottom a {
    color: var(--kf-accent-light);
}

/* ========== 内页 ========== */
.kf-inner {
    padding-top: var(--kf-header-h);
}

.kf-page-head {
    background: linear-gradient(90deg, var(--kf-primary-dark), var(--kf-primary));
    color: var(--kf-white);
    padding: 32px 0;
}

.kf-breadcrumb {
    font-size: 13px;
    opacity: 0.85;
    margin-bottom: 8px;
}

.kf-breadcrumb a {
    color: var(--kf-white);
}

.kf-page-title {
    font-size: clamp(20px, 3vw, 26px);
    font-weight: 700;
}

.kf-page-body {
    padding: 32px 0 48px;
}

.kf-layout {
    display: flex;
    gap: 28px;
    align-items: flex-start;
}

.kf-main {
    flex: 1;
    min-width: 0;
}

.kf-sidebar {
    width: 280px;
    flex-shrink: 0;
}

.kf-panel {
    background: var(--kf-white);
    border: 1px solid var(--kf-border);
    border-radius: var(--kf-radius);
    padding: 24px;
    margin-bottom: 24px;
    overflow: hidden;
}

.kf-panel:last-child {
    margin-bottom: 0;
}

.kf-article-hd {
    padding-bottom: 16px;
    margin-bottom: 20px;
    border-bottom: 1px solid var(--kf-border);
}

.kf-article-hd h1 {
    font-size: clamp(20px, 3vw, 26px);
    color: var(--kf-primary-dark);
    line-height: 1.35;
    margin-bottom: 12px;
    word-break: break-word;
}

.kf-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 12px 20px;
    font-size: 13px;
    color: var(--kf-muted);
}

.kf-meta a {
    color: var(--kf-accent);
}

.kf-litpic {
    margin-bottom: 20px;
    text-align: center;
}

.kf-litpic:empty {
    display: none;
}

.kf-litpic img {
    max-width: 100%;
    border-radius: var(--kf-radius);
    border: 1px solid var(--kf-border);
}

.kf-content {
    font-size: 15px;
    line-height: 1.85;
    word-wrap: break-word;
    overflow-wrap: break-word;
}

.kf-content img {
    max-width: 100% !important;
    height: auto !important;
    margin: 12px auto;
    border-radius: var(--kf-radius);
}

.kf-content p,
.kf-content div {
    margin-bottom: 14px;
}

.kf-content table {
    width: 100%;
    max-width: 100%;
    border-collapse: collapse;
    font-size: 14px;
    overflow-x: auto;
    display: block;
}

.kf-diyfield {
    margin-top: 20px;
    padding-top: 16px;
    border-top: 1px dashed var(--kf-border);
}

.kf-gallery p {
    margin-bottom: 12px;
    text-align: center;
}

.kf-tags {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 20px;
    padding-top: 16px;
    border-top: 1px solid var(--kf-border);
}

.kf-tags li a {
    display: inline-block;
    padding: 4px 12px;
    font-size: 12px;
    background: var(--kf-bg);
    border: 1px solid var(--kf-border);
    border-radius: 20px;
    color: var(--kf-accent);
}

.kf-tags .clear {
    display: none;
}

.kf-prenext {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 20px;
    padding-top: 16px;
    border-top: 1px solid var(--kf-border);
    font-size: 14px;
}

.kf-prenext > div {
    flex: 1;
    min-width: 140px;
}

.kf-prenext-next {
    text-align: right;
}

.kf-subtitle {
    font-size: 18px;
    color: var(--kf-primary-dark);
    margin-bottom: 16px;
    padding-bottom: 8px;
    border-bottom: 2px solid var(--kf-accent);
    display: inline-block;
}

.kf-related li {
    display: flex;
    gap: 14px;
    padding: 14px 0;
    border-bottom: 1px solid var(--kf-border);
    list-style: none;
}

.kf-related li:last-child {
    border-bottom: none;
}

.kf-related-thumb {
    width: 100px;
    height: 72px;
    flex-shrink: 0;
    overflow: hidden;
    border-radius: 4px;
    border: 1px solid var(--kf-border);
    background: #eef2f7;
}

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

.kf-related h4 {
    font-size: 14px;
    margin-bottom: 6px;
    line-height: 1.4;
}

.kf-related h4 a {
    color: var(--kf-dark);
}

.kf-related p {
    font-size: 12px;
    color: var(--kf-muted);
    line-height: 1.5;
}

/* 侧栏 */
.kf-side-box {
    background: var(--kf-white);
    border: 1px solid var(--kf-border);
    border-radius: var(--kf-radius);
    overflow: hidden;
    margin-bottom: 20px;
}

.kf-side-title {
    font-size: 15px;
    padding: 12px 16px;
    background: var(--kf-primary);
    color: var(--kf-white);
    font-weight: 600;
}

.kf-side-list {
    list-style: none;
}

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

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

.kf-side-item a {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    color: var(--kf-text);
    font-size: 13px;
}

.kf-side-item a:hover {
    background: var(--kf-bg);
    color: var(--kf-primary);
}

.kf-side-thumb {
    width: 56px;
    height: 42px;
    flex-shrink: 0;
    overflow: hidden;
    border-radius: 4px;
    border: 1px solid var(--kf-border);
    background: #eef2f7;
}

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

.kf-side-item-title {
    flex: 1;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* 列表 */
.kf-list-item {
    display: flex;
    gap: 18px;
    padding: 20px 0;
    border-bottom: 1px solid var(--kf-border);
    list-style: none;
}

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

.kf-list-thumb {
    width: 200px;
    height: 136px;
    flex-shrink: 0;
    overflow: hidden;
    border-radius: var(--kf-radius);
    border: 1px solid var(--kf-border);
    background: #eef2f7;
    display: block;
}

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

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

.kf-list-body h3 {
    font-size: 17px;
    margin-bottom: 8px;
    line-height: 1.4;
}

.kf-list-body h3 a {
    color: var(--kf-primary-dark);
    word-break: break-word;
}

.kf-list-meta {
    font-size: 12px;
    color: var(--kf-muted);
    margin-bottom: 8px;
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.kf-list-intro {
    font-size: 14px;
    color: var(--kf-muted);
    line-height: 1.65;
}

.kf-pager {
    margin-top: 20px;
    padding: 16px;
    background: var(--kf-white);
    border: 1px solid var(--kf-border);
    border-radius: var(--kf-radius);
}

.kf-pager .pagelist {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 6px;
}

.kf-pager .pagelist a,
.kf-pager .pagelist span {
    display: inline-block;
    padding: 6px 12px;
    font-size: 13px;
    border: 1px solid var(--kf-border);
    border-radius: 4px;
    color: var(--kf-text);
    background: var(--kf-bg);
}

.kf-pager .pagelist a:hover,
.kf-pager .pagelist .thisclass a {
    background: var(--kf-primary);
    border-color: var(--kf-primary);
    color: var(--kf-white);
}

/* ========== 响应式 ========== */
@media (max-width: 1024px) {
    .kf-hero-grid {
        grid-template-columns: 1fr;
    }

    .kf-card-grid-3,
    .kf-feature-grid,
    .kf-adv-row,
    .kf-steps {
        grid-template-columns: repeat(2, 1fr);
    }

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

    .kf-knowledge-grid {
        grid-template-columns: 1fr;
    }

    .kf-contact-box {
        grid-template-columns: 1fr;
    }

    .kf-intro-inner {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 900px) {
    .kf-menu-btn {
        display: flex;
    }

    .kf-nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: min(300px, 88vw);
        height: 100vh;
        background: var(--kf-white);
        box-shadow: -4px 0 20px rgba(0, 0, 0, 0.12);
        z-index: 999;
        transition: right 0.3s;
        padding: calc(var(--kf-header-h) + 12px) 16px 24px;
        overflow-y: auto;
    }

    .kf-nav.is-open {
        right: 0;
    }

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

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

    .kf-layout {
        flex-direction: column;
    }

    .kf-sidebar {
        width: 100%;
    }

    .kf-faq-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    :root {
        --kf-header-h: 56px;
    }

    .kf-section {
        padding: 40px 0;
    }

    .kf-hero {
        padding: 36px 0 44px;
    }

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

    .kf-card-grid-3,
    .kf-feature-grid,
    .kf-adv-row,
    .kf-steps {
        grid-template-columns: 1fr;
    }

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

    .kf-list-item {
        flex-direction: column;
    }

    .kf-list-thumb {
        width: 100%;
        height: auto;
        aspect-ratio: 16/10;
    }

    .kf-related li {
        flex-direction: column;
    }

    .kf-related-thumb {
        width: 100%;
        height: auto;
        aspect-ratio: 16/10;
    }

    .kf-prenext {
        flex-direction: column;
    }

    .kf-prenext-next {
        text-align: left;
    }

    .kf-footer-grid {
        grid-template-columns: 1fr;
    }

    .kf-panel {
        padding: 18px;
    }
}

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

    .kf-article-grid {
        grid-template-columns: 1fr;
    }

    .kf-logo {
        font-size: 16px;
        max-width: 160px;
    }

    .kf-contact-box {
        padding: 20px;
    }
}

/* 兼容旧类名映射 */
.za4064this { }
.kf-nav-item.za4064this > a {
    color: var(--kf-white);
    background: var(--kf-primary);
}