/* Theme styles: header, footer, front page (zf), 404, legal, archive, single, sidebar */

body {
    margin: 0;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background-color: #ffffff;
    color: #111827;
}

/* Site header */
.oc-site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    display: flex;
    align-items: center;
    backdrop-filter: none;
    background: #ffffff;
    border-bottom: 1px solid #e5e7eb;
    box-shadow: none;
    padding-top: 0.25rem;
    padding-bottom: 0.25rem;
    min-height: 60px;
}

.oc-header-brand {
    color: #111827;
}

.oc-header-tagline {
    color: #6b7280;
}

.oc-header-link,
.oc-header-nav a {
    color: #374151;
}

.oc-header-link:hover,
.oc-header-nav a:hover {
    color: #3370ff;
}

.oc-header-menu .current-menu-item > a,
.oc-header-menu .current_page_item > a {
    color: #3370ff;
}

.oc-header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding-top: 1.15rem;
    padding-bottom: 1.15rem;
}

.oc-header-brand {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    color: #111827;
    text-decoration: none;
}

.oc-header-brand:hover {
    text-decoration: none;
}

.oc-header-logo {
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.oc-header-logo img {
    display: block;
    height: 40px;
    width: auto;
}

.oc-header-title {
    font-weight: 650;
    letter-spacing: 0.06em;
    font-size: 0.98rem;
}

.oc-header-tagline {
    font-size: 0.8rem;
    color: #9ca3af;
}

.oc-header-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    width: 44px;
    height: 44px;
    padding: 0;
    margin: 0 0 0 auto;
    background: transparent;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    color: #374151;
    transition: background 0.2s, color 0.2s;
    -webkit-tap-highlight-color: transparent;
}

.oc-header-toggle:hover {
    background: #f3f4f6;
    color: #111827;
}

.oc-header-toggle__bar {
    display: block;
    width: 22px;
    height: 2px;
    background: currentColor;
    border-radius: 1px;
    transition: transform 0.25s ease, opacity 0.25s ease;
}

.oc-site-header.oc-nav-open .oc-header-toggle__bar:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.oc-site-header.oc-nav-open .oc-header-toggle__bar:nth-child(2) {
    opacity: 0;
}

.oc-site-header.oc-nav-open .oc-header-toggle__bar:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

.oc-header-drawer {
    display: flex;
    align-items: center;
    gap: 1.8rem;
}

.oc-header-nav {
    font-size: 0.9rem;
}

.oc-header-menu {
    display: flex;
    align-items: center;
    gap: 1.8rem;
    margin: 0;
    padding: 0;
    list-style: none;
}

/* 兜底：确保 nav 下的第一级 ul 也是 flex 布局 */
.oc-header-nav > ul {
    display: flex;
    align-items: center;
    gap: 1.8rem;
}

.oc-header-menu > li {
    display: inline-flex;
    align-items: center;
}

.oc-header-link,
.oc-header-nav a {
    color: #111827;
    text-decoration: none;
    white-space: nowrap;
}

.oc-header-link:hover,
.oc-header-nav a:hover {
    color: #3370ff;
}

/* 当前菜单：仅红色字体 */
.oc-header-menu .current-menu-item > a,
.oc-header-menu .current_page_item > a {
    color: #3370ff;
}

/* 隐藏菜单描述（如“新闻资讯”等副标题） */
.oc-header-nav .menu-item-description {
    display: none;
}

.oc-header-cta {
    padding: 0.5rem 1.1rem;
    border-radius: 999px;
    background: #3370ff;
    border: 1px solid #3370ff;
    color: #ffffff;
    font-size: 0.88rem;
    font-weight: 600;
    text-decoration: none;
    box-shadow: none;
}

.oc-header-cta:hover {
    text-decoration: none;
    background: #2c63e6;
    border-color: #2c63e6;
    filter: none;
}

.oc-container {
    max-width: 1120px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.oc-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.7rem 1.4rem;
    border-radius: 999px;
    border: none;
    font-size: 0.9rem;
    cursor: pointer;
    white-space: nowrap;
    transition: transform 0.18s ease-out, box-shadow 0.18s ease-out, background 0.18s ease-out;
}

.oc-btn-primary {
    background: #3370ff;
    color: #ffffff;
    font-weight: 600;
    box-shadow: none;
}

.oc-btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: none;
}

.oc-btn:hover {
    text-decoration: none;
}

/* ========== 首页（站斧风格 zf-*） ========== */
.zf-front-page {
    background: #ffffff;
    min-height: 100vh;
}

/* ========= 首页浅色（白底）变体 ========= */
.zf-front-page--light {
    background: #ffffff;
    color: #111827;
    font-family: "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.zf-front-page--light a:not(.zf-btn) { color: #1f2937; }
.zf-front-page--light a:not(.zf-btn):hover { color: #3370ff; }

/* 标题与段落 */
.zf-front-page--light .zf-section-header h2,
.zf-front-page--light .zf-cta-text h2,
.zf-front-page--light .zf-steps-list h3,
.zf-front-page--light .zf-scenario-card h3,
.zf-front-page--light .zf-feature-card h3,
.zf-front-page--light .zf-download-card h3,
.zf-front-page--light .zf-about-text h2,
.zf-front-page--light .zf-about-subtitle,
.zf-front-page--light .zf-hero-title,
.zf-front-page--light .zf-faq-question,
.zf-front-page--light .zf-news-title {
    color: #111827;
}

.zf-front-page--light .zf-section-header p,
.zf-front-page--light .zf-hero-subtitle,
.zf-front-page--light .zf-hero-text,
.zf-front-page--light .zf-hero-meta,
.zf-front-page--light .zf-download-card p,
.zf-front-page--light .zf-download-meta,
.zf-front-page--light .zf-about-text p,
.zf-front-page--light .zf-about-list li,
.zf-front-page--light .zf-about-stat-text,
.zf-front-page--light .zf-feature-card p,
.zf-front-page--light .zf-scenario-card p,
.zf-front-page--light .zf-steps-list p,
.zf-front-page--light .zf-news-excerpt,
.zf-front-page--light .zf-news-meta,
.zf-front-page--light .zf-faq-answer,
.zf-front-page--light .zf-cta-text p {
    color: #4b5563;
}

/* 首屏与卡片容器转为白底浅边框 */
.zf-front-page--light .zf-hero-card,
.zf-front-page--light .zf-download-card,
.zf-front-page--light .zf-feature-card,
.zf-front-page--light .zf-scenario-card,
.zf-front-page--light .zf-steps-list li,
.zf-front-page--light .zf-news-card,
.zf-front-page--light .zf-faq-item,
.zf-front-page--light .zf-about-stat,
.zf-front-page--light .zf-about-note {
    background: #ffffff;
    border: 1px solid #e5e7eb;
    box-shadow: none;
}

.zf-front-page--light .zf-hero-card-header,
.zf-front-page--light .zf-hero-card-footer {
    background: #ffffff;
    border-color: #e5e7eb;
}

.zf-front-page--light .zf-hero-card-title { color: #111827; }
.zf-front-page--light .zf-hero-card-list { color: #4b5563; }
.zf-front-page--light .zf-hero-tag {
    background: rgba(51, 112, 255, 0.08);
    color: #1d4ed8;
    border-color: rgba(51, 112, 255, 0.30);
}

/* 列表项与占位 */
.zf-front-page--light .zf-news-thumb { background: #f3f4f6; }
.zf-front-page--light .zf-news-thumb--placeholder { background: #e5e7eb; }
.zf-front-page--light .zf-news-card:hover { border-color: rgba(51, 112, 255, 0.35); }
.zf-front-page--light .zf-news-card:hover .zf-news-title { color: #3370ff; }

/* FAQ 按钮与文本 */
.zf-front-page--light .zf-faq-toggle {
    color: #111827;
}
.zf-front-page--light .zf-faq-icon { color: #3370ff; }

/* CTA 浅色背景 */
.zf-front-page--light .zf-cta-inner {
    background: linear-gradient(135deg, rgba(51, 112, 255, 0.10) 0, rgba(59, 130, 246, 0.05) 100%);
    border-color: #e5e7eb;
}

/* 次要文字颜色微调 */
.zf-front-page--light .zf-hero-kicker { color: #3370ff; }
.zf-front-page--light .zf-btn-ghost,
.zf-front-page--light .zf-btn-outline {
    color: #374151;
    border-color: #d1d5db;
}
.zf-front-page--light .zf-btn-ghost:hover,
.zf-front-page--light .zf-btn-outline:hover {
    color: #3370ff;
    border-color: rgba(51, 112, 255, 0.35);
}

/* 首屏改为上下布局（白底首页），并生成图片占位区（无阴影无圆角） */
.zf-front-page--light .zf-hero-inner {
    grid-template-columns: 1fr;
    gap: 1.75rem;
}

.zf-front-page--light .zf-hero-media {
    width: 100%;
    aspect-ratio: 16 / 9;
    background: #f3f4f6;
    border: 1px solid #e5e7eb;
    border-radius: 0;
    box-shadow: none;
}

.zf-front-page--light .zf-hero-media img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 0;
    box-shadow: none;
}

/* About 区块在浅色首页改为单列（无侧栏时） */
.zf-front-page--light .zf-about-inner {
    grid-template-columns: 1fr;
}

/* About 区块：按截图“交错图文”布局（白底首页） */
.zf-front-page--light .zf-section-about .zf-section-header {
    text-align: center;
    margin-bottom: 2.5rem;
}

.zf-front-page--light .zf-about-row {
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
}

.zf-front-page--light .zf-about-media {
    background: #f3f4f6;
    border: 1px solid #e5e7eb;
    border-radius: 0;
    box-shadow: none;
}

.zf-front-page--light .zf-about-media img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 0;
    box-shadow: none;
}

/* FAQ（首页）- details/summary 版本 */
.zf-section-faq .zf-faq-list {
    max-width: 920px;
    margin: 2rem auto 0;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.zf-section-faq .zf-faq-item {
    border: 1px solid #e5e7eb;
    background: #ffffff;
    overflow: hidden;
}

.zf-section-faq .zf-faq-toggle {
    list-style: none;
    cursor: pointer;
    padding: 1rem 1.1rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    color: #111827;
    font-size: 0.95rem;
    font-weight: 600;
}

.zf-section-faq .zf-faq-toggle::-webkit-details-marker {
    display: none;
}

.zf-section-faq .zf-faq-toggle::after {
    content: "+";
    flex-shrink: 0;
    font-size: 1.1rem;
    line-height: 1;
    color: #3370ff;
}

.zf-section-faq .zf-faq-item[open] .zf-faq-toggle::after {
    content: "−";
}

.zf-section-faq .zf-faq-answer {
    padding: 0 1.1rem 1rem;
    color: #4b5563;
    font-size: 0.92rem;
    line-height: 1.7;
}

.zf-section-faq .zf-faq-answer p {
    margin: 0;
}

/* Features：按截图布局（上图下文，三列六宫格） */
.zf-front-page--light .zf-section-features .zf-features-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 2.25rem 2rem;
}

.zf-front-page--light .zf-section-features .zf-feature-card {
    padding: 0;
    background: transparent;
    border: none;
    box-shadow: none;
}

.zf-front-page--light .zf-feature-media {
    width: 100%;
    aspect-ratio: 16 / 9;
    border-radius: 0;
    background: #f3f4f6;
    border: 1px solid #e5e7eb;
    box-shadow: none;
    margin-bottom: 1rem;
    overflow: hidden;
}

.zf-front-page--light .zf-feature-media img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 0;
    box-shadow: none;
}

.zf-front-page--light .zf-section-features .zf-feature-card h3 {
    margin: 0 0 0.5rem;
    font-size: 1.05rem;
    font-weight: 600;
    color: #111827;
}

.zf-front-page--light .zf-section-features .zf-feature-card p {
    margin: 0;
    font-size: 0.9rem;
    line-height: 1.6;
    color: #4b5563;
}

.zf-front-page a {
    color: inherit;
    text-decoration: none;
}

.zf-front-page a:hover {
    text-decoration: none;
}

.zf-container {
    max-width: 1120px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.zf-section {
    padding: 4rem 0;
}

.zf-section-header {
    margin-bottom: 2rem;
    text-align: center;
}

.zf-section-header h2 {
    margin: 0 0 0.5rem;
    font-size: 1.75rem;
    font-weight: 600;
    color: #f9fafb;
}

.zf-section-header p {
    margin: 0;
    font-size: 0.95rem;
    color: #9ca3af;
    line-height: 1.5;
}

/* Hero */
.zf-hero {
    padding: 4rem 0 3.5rem;
}

.zf-hero-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

/* Hero 图片占位区（默认样式，白底模式会覆盖） */
.zf-hero-media {
    width: 100%;
    aspect-ratio: 16 / 9;
    background: rgba(15, 23, 42, 0.5);
    border: 1px solid rgba(30, 41, 59, 0.8);
    margin: 0;
}

.zf-hero-media img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.zf-hero-kicker {
    margin: 0 0 0.5rem;
    font-size: 0.9rem;
    color: #3370ff;
}

.zf-hero-title {
    margin: 0 0 0.5rem;
    font-size: 2.5rem;
    font-weight: 700;
    letter-spacing: 0.02em;
    color: #f9fafb;
}

.zf-hero-subtitle {
    margin: 0 0 1rem;
    font-size: 1.05rem;
    color: #d1d5db;
}

.zf-hero-text {
    margin: 0 0 1.5rem;
    font-size: 0.95rem;
    color: #9ca3af;
    line-height: 1.6;
}

.zf-hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
}

.zf-front-page--light .zf-hero-copy {
    text-align: center;
    max-width: 56rem;
    margin: 0 auto;
}

.zf-front-page--light .zf-hero-actions {
    justify-content: center;
}

.zf-front-page--light .zf-hero-media {
    max-width: 980px;
    margin-left: auto;
    margin-right: auto;
}

.zf-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.65rem 1.25rem;
    border-radius: 999px;
    border: none;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    white-space: nowrap;
    transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
    text-decoration: none;
}

.zf-btn-primary {
    background: #3370ff;
    border: 1px solid #3370ff;
    color: #ffffff;
    box-shadow: none;
}

.zf-btn-primary:visited {
    color: #ffffff;
}

.zf-btn-primary:hover {
    transform: translateY(-1px);
    background: #245ff0;
    border-color: #245ff0;
    box-shadow: none;
    color: #ffffff;
}

.zf-btn-primary:active {
    background: #1f55d8;
    border-color: #1f55d8;
    transform: translateY(0);
    color: #ffffff;
}

.zf-btn-primary:focus-visible {
    outline: 3px solid rgba(51, 112, 255, 0.35);
    outline-offset: 3px;
    color: #ffffff;
}

.zf-btn-ghost {
    background: transparent;
    color: #e5e7eb;
    border: 1px solid rgba(148, 163, 184, 0.5);
}

.zf-btn-ghost:hover {
    border-color: rgba(51, 112, 255, 0.45);
    color: #3370ff;
}

.zf-btn-outline {
    background: transparent;
    color: #e5e7eb;
    border: 1px solid rgba(148, 163, 184, 0.6);
}

.zf-btn-outline:hover {
    border-color: rgba(51, 112, 255, 0.55);
    color: #3370ff;
}

.zf-hero-meta {
    margin: 0;
    padding: 0;
    list-style: none;
    font-size: 0.85rem;
    color: #9ca3af;
}

.zf-hero-meta li {
    margin-bottom: 0.35rem;
}

.zf-hero-visual {
    display: flex;
    justify-content: center;
}

.zf-hero-card {
    width: 100%;
    max-width: 340px;
    border-radius: 1rem;
    background: rgba(15, 23, 42, 0.6);
    border: 1px solid rgba(30, 41, 59, 0.8);
    overflow: hidden;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
}

.zf-hero-card-header {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.6rem 1rem;
    background: rgba(2, 6, 23, 0.9);
    border-bottom: 1px solid rgba(30, 41, 59, 0.6);
}

.zf-hero-dot {
    width: 10px;
    height: 10px;
    border-radius: 999px;
    background: #3370ff;
}

.zf-hero-dot:nth-child(2) { background: rgba(51, 112, 255, 0.65); }
.zf-hero-dot:nth-child(3) { background: rgba(51, 112, 255, 0.35); }

.zf-hero-card-body {
    padding: 1.25rem 1.25rem 1rem;
}

.zf-hero-card-title {
    margin: 0 0 0.75rem;
    font-size: 1rem;
    font-weight: 600;
    color: #f9fafb;
}

.zf-hero-card-list {
    margin: 0;
    padding: 0;
    list-style: none;
    font-size: 0.88rem;
    color: #9ca3af;
    line-height: 1.6;
}

.zf-hero-card-list li {
    margin-bottom: 0.35rem;
}

.zf-hero-card-footer {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    padding: 0.75rem 1.25rem;
    border-top: 1px solid rgba(30, 41, 59, 0.6);
    background: rgba(2, 6, 23, 0.5);
}

.zf-hero-tag {
    display: inline-block;
    padding: 0.2rem 0.6rem;
    border-radius: 999px;
    background: rgba(51, 112, 255, 0.15);
    border: 1px solid rgba(51, 112, 255, 0.35);
    color: rgba(191, 219, 254, 0.95);
    font-size: 0.78rem;
}

/* Download */
.zf-section-download .zf-section-header {
    margin-bottom: 2.5rem;
}

.zf-download-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.5rem;
}

.zf-download-card {
    padding: 1.5rem;
    border-radius: 1rem;
    background: rgba(15, 23, 42, 0.5);
    border: 1px solid rgba(30, 41, 59, 0.8);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.4);
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.zf-download-card:hover {
    border-color: rgba(51, 112, 255, 0.35);
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.5);
}

.zf-download-card h3 {
    margin: 0 0 0.5rem;
    font-size: 1.1rem;
    font-weight: 600;
    color: #f9fafb;
}

.zf-download-card p {
    margin: 0 0 1rem;
    font-size: 0.9rem;
    color: #9ca3af;
    line-height: 1.5;
}

.zf-download-meta {
    margin: 0 0 1.25rem;
    padding: 0;
    list-style: none;
    font-size: 0.85rem;
    color: #9ca3af;
}

.zf-download-meta li {
    margin-bottom: 0.3rem;
}

.zf-download-card .zf-btn {
    width: 100%;
}

/* About */
.zf-about-inner {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 2.5rem;
    align-items: start;
}

.zf-about-layout {
    display: flex;
    flex-direction: column;
    gap: 2.75rem;
}

.zf-about-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2.75rem;
    align-items: center;
}

.zf-about-col {
    min-width: 0;
}

.zf-about-media {
    width: 100%;
    aspect-ratio: 16 / 9;
    background: rgba(15, 23, 42, 0.4);
    border: 1px solid rgba(30, 41, 59, 0.6);
}

.zf-about-text h2 {
    margin: 0 0 1rem;
    font-size: 1.5rem;
    font-weight: 600;
    color: #f9fafb;
}

.zf-about-subtitle {
    margin: 1.25rem 0 0.6rem;
    font-size: 1.05rem;
    font-weight: 600;
    color: #f9fafb;
}

.zf-about-text p {
    margin: 0 0 1rem;
    font-size: 0.95rem;
    color: #9ca3af;
    line-height: 1.6;
}

.zf-about-list {
    margin: 1rem 0 0;
    padding: 0;
    list-style: none;
}

.zf-about-list li {
    margin-bottom: 0.5rem;
    padding-left: 1.25rem;
    position: relative;
    font-size: 0.9rem;
    color: #d1d5db;
}

.zf-about-list li::before {
    content: "•";
    position: absolute;
    left: 0;
    color: #3370ff;
}

.zf-about-stat {
    padding: 1rem;
    border-radius: 0.75rem;
    background: rgba(15, 23, 42, 0.5);
    border: 1px solid rgba(30, 41, 59, 0.6);
    margin-bottom: 1rem;
}

.zf-about-stat-number {
    margin: 0 0 0.25rem;
    font-size: 1.25rem;
    font-weight: 600;
    color: #3370ff;
}

.zf-about-stat-text {
    margin: 0;
    font-size: 0.85rem;
    color: #9ca3af;
}

.zf-about-note {
    padding: 0.75rem 1rem;
    border-radius: 0.5rem;
    background: rgba(2, 6, 23, 0.6);
    border: 1px solid rgba(30, 41, 59, 0.5);
}

.zf-about-note p {
    margin: 0;
    font-size: 0.85rem;
    color: #9ca3af;
    line-height: 1.5;
}

/* Features */
.zf-features-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.5rem;
}

.zf-feature-card {
    padding: 1.5rem;
    border-radius: 1rem;
    background: rgba(15, 23, 42, 0.5);
    border: 1px solid rgba(30, 41, 59, 0.8);
    transition: border-color 0.2s ease;
}

.zf-feature-card:hover {
    border-color: rgba(51, 112, 255, 0.28);
}

.zf-feature-card h3 {
    margin: 0 0 0.6rem;
    font-size: 1.05rem;
    font-weight: 600;
    color: #f9fafb;
}

.zf-feature-card p {
    margin: 0;
    font-size: 0.9rem;
    color: #9ca3af;
    line-height: 1.55;
}

/* Scenarios */
.zf-scenarios-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.5rem;
}

.zf-scenario-card {
    padding: 1.25rem;
    border-radius: 0.9rem;
    background: rgba(15, 23, 42, 0.4);
    border: 1px solid rgba(30, 41, 59, 0.6);
}

.zf-scenario-card h3 {
    margin: 0 0 0.5rem;
    font-size: 1rem;
    font-weight: 600;
    color: #f9fafb;
}

.zf-scenario-card p {
    margin: 0;
    font-size: 0.88rem;
    color: #9ca3af;
    line-height: 1.5;
}

/* Steps */
.zf-steps-list {
    margin: 2rem 0 0;
    padding: 0;
    list-style: none;
    counter-reset: zf-step;
}

.zf-steps-list li {
    position: relative;
    padding: 1.25rem 1.25rem 1.25rem 3.5rem;
    margin-bottom: 1rem;
    border-radius: 0.9rem;
    background: rgba(15, 23, 42, 0.4);
    border: 1px solid rgba(30, 41, 59, 0.6);
    counter-increment: zf-step;
}

.zf-steps-list li::before {
    content: counter(zf-step);
    position: absolute;
    left: 1rem;
    top: 1.25rem;
    width: 1.75rem;
    height: 1.75rem;
    border-radius: 999px;
    background: #3370ff;
    color: #111827;
    font-size: 0.9rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
}

.zf-steps-list h3 {
    margin: 0 0 0.4rem;
    font-size: 1rem;
    font-weight: 600;
    color: #f9fafb;
}

.zf-steps-list p {
    margin: 0;
    font-size: 0.9rem;
    color: #9ca3af;
    line-height: 1.5;
}

/* News */
.zf-news-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.5rem;
}

.zf-news-card {
    margin: 0;
    border-radius: 1rem;
    background: rgba(15, 23, 42, 0.5);
    border: 1px solid rgba(30, 41, 59, 0.8);
    overflow: hidden;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.zf-news-card:hover {
    border-color: rgba(51, 112, 255, 0.35);
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.45);
}

.zf-news-link {
    display: block;
    text-decoration: none;
    color: inherit;
}

.zf-news-thumb {
    display: block;
    aspect-ratio: 16/10;
    overflow: hidden;
    background: rgba(15, 23, 42, 0.8);
}

.zf-news-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.zf-news-thumb--placeholder {
    background: rgba(2, 6, 23, 0.8);
}

.zf-news-content {
    display: block;
    padding: 1rem 1.2rem 1.2rem;
}

.zf-news-title {
    margin: 0 0 0.4rem;
    font-size: 1rem;
    font-weight: 600;
    line-height: 1.35;
    color: #f9fafb;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.zf-news-card:hover .zf-news-title {
    color: #3370ff;
}

.zf-news-excerpt {
    margin: 0 0 0.4rem;
    font-size: 0.85rem;
    color: #9ca3af;
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.zf-news-meta {
    font-size: 0.78rem;
    color: #6b7280;
}

.zf-news-empty {
    grid-column: 1 / -1;
    text-align: center;
    padding: 2rem;
    color: #9ca3af;
    font-size: 0.95rem;
}

/* FAQ (front page) */
.zf-faq-list {
    margin: 2rem auto 0;
    max-width: 720px;
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

.zf-faq-item {
    border-radius: 0.9rem;
    border: 1px solid rgba(30, 41, 59, 0.8);
    background: rgba(15, 23, 42, 0.4);
    overflow: hidden;
    transition: border-color 0.16s ease;
}

.zf-faq-item:hover {
    border-color: rgba(148, 163, 184, 0.4);
}

.zf-faq-toggle {
    width: 100%;
    padding: 0.9rem 1.25rem;
    background: transparent;
    border: none;
    color: #e5e7eb;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    font-size: 0.9rem;
    text-align: left;
    cursor: pointer;
}

.zf-faq-question {
    font-weight: 500;
    color: #f9fafb;
}

.zf-faq-icon {
    flex-shrink: 0;
    font-size: 1.1rem;
    color: #3370ff;
}

.zf-faq-answer {
    padding: 0 1.25rem 1rem;
    font-size: 0.88rem;
    color: #9ca3af;
    line-height: 1.6;
}

.zf-faq-answer p {
    margin: 0;
}

/* CTA */
.zf-section-cta {
    padding: 4rem 0;
}

.zf-cta-inner {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
    padding: 2rem 2.5rem;
    border-radius: 1.2rem;
    background: linear-gradient(135deg, rgba(51, 112, 255, 0.12) 0, rgba(59, 130, 246, 0.06) 100%);
    border: 1px solid rgba(30, 41, 59, 0.8);
}

.zf-cta-text h2 {
    margin: 0 0 0.4rem;
    font-size: 1.35rem;
    font-weight: 600;
    color: #f9fafb;
}

.zf-cta-text p {
    margin: 0;
    font-size: 0.9rem;
    color: #9ca3af;
}

/* FAQ page & Testimonials (keep for faq-page-template) */
.oc-testimonials-row {
    margin-top: 2.2rem;
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1.4rem;
}

.oc-testimonial-card {
    border-radius: 1.4rem;
    background: #ffffff;
    border: 1px solid #e5e7eb;
    padding: 1.3rem 1.3rem 1.1rem;
    font-size: 0.88rem;
    box-shadow: 0 18px 40px rgba(0, 0, 0, 0.9);
}

.oc-testimonial-avatar {
    width: 32px;
    height: 32px;
    border-radius: 999px;
    background: #3370ff;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #111827;
    font-weight: 600;
    font-size: 0.8rem;
    margin-bottom: 0.7rem;
}

.oc-testimonial-text {
    margin: 0 0 0.7rem;
    color: #111827;
}

.oc-testimonial-handle {
    font-size: 0.8rem;
    color: #9ca3af;
}

/* FAQ 页面用 */
.oc-faq-list {
    margin: 2rem auto 0;
    max-width: 780px;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.faq-item {
    border-radius: 0.9rem;
    border: 1px solid #e5e7eb;
    background: #ffffff;
    transition: background-color 0.16s ease-out, border-color 0.16s ease-out;
}

.faq-item:hover {
    background: #ffffff;
    border-color: rgba(51, 112, 255, 0.35);
}

.faq-toggle {
    width: 100%;
    padding: 0.9rem 1.4rem;
    background: transparent;
    border: none;
    color: #111827;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    font-size: 0.9rem;
    text-align: left;
    cursor: pointer;
}

.faq-question {
    color: #3370ff;
    font-weight: 500;
}

.faq-icon {
    color: #3370ff;
    font-size: 1.1rem;
    font-weight: 400;
    transition: transform 0.18s ease-out;
}

.faq-toggle[aria-expanded="true"] .faq-icon {
    transform: rotate(90deg);
}

.faq-answer {
    padding: 0 1.4rem 0.9rem;
    font-size: 0.88rem;
    color: #4b5563;
}

.faq-answer.hidden {
    display: none;
}

/* 404 page - 与首页一致的偏暗风格 */
.oc-404-wrap {
    background: #ffffff;
    min-height: calc(100vh - 60px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 3rem 0;
}

.oc-404-inner {
    text-align: center;
    max-width: 28rem;
}

.oc-404-code {
    font-size: clamp(4rem, 12vw, 7rem);
    font-weight: 700;
    line-height: 1;
    color: rgba(107, 114, 128, 0.35);
    letter-spacing: -0.04em;
    margin-bottom: 0.5rem;
}

.oc-404-title {
    margin: 0 0 0.75rem;
    font-size: 1.5rem;
    font-weight: 600;
    color: #111827;
}

.oc-404-desc {
    margin: 0 0 1.75rem;
    font-size: 0.95rem;
    color: #4b5563;
    line-height: 1.5;
}

.oc-404-wrap .oc-btn {
    text-decoration: none;
}

/* 法律/政策页面 - Cookie 政策、隐私政策，与首页偏暗风格一致 */
.oc-legal-page {
    background: #ffffff;
    min-height: calc(100vh - 60px);
    padding-bottom: 3rem;
}

.oc-legal-hero {
    padding: 3.5rem 0 2.5rem;
    border-bottom: 1px solid #e5e7eb;
}

.oc-legal-hero__wrap {
    text-align: center;
}

.oc-legal-title {
    margin: 0 0 0.6rem;
    font-size: 1.85rem;
    font-weight: 600;
    color: #111827;
}

.oc-legal-lead {
    margin: 0;
    font-size: 0.98rem;
    color: #4b5563;
    line-height: 1.55;
    max-width: 36em;
    margin-left: auto;
    margin-right: auto;
}

.oc-legal-body-wrap {
    padding-top: 2rem;
}

.oc-legal-body {
    color: #111827;
    font-size: 0.95rem;
    line-height: 1.65;
}

.oc-legal-updated {
    margin: 0 0 1.75rem;
    font-size: 0.8rem;
    color: #6b7280;
}

.oc-legal-body h2 {
    margin: 2rem 0 0.75rem;
    font-size: 1.15rem;
    font-weight: 600;
    color: #111827;
}

.oc-legal-body h2:first-of-type {
    margin-top: 0;
}

.oc-legal-body p {
    margin: 0 0 1rem;
}

.oc-legal-body ul {
    margin: 0 0 1rem;
    padding-left: 1.5rem;
    list-style: disc;
}

.oc-legal-body li {
    margin-bottom: 0.4rem;
}

.oc-legal-body a {
    color: #3370ff;
    text-decoration: none;
}

.oc-legal-body a:hover {
    text-decoration: none;
}

/* 问答页面 */
.oc-faq-page .oc-faq-page-list {
    margin-top: 0.5rem;
    margin-bottom: 3rem;
}

.oc-faq-page summary.faq-toggle {
    list-style: none;
    cursor: pointer;
}

.oc-faq-page summary.faq-toggle::-webkit-details-marker {
    display: none;
}

.oc-faq-page summary.faq-toggle::marker {
    display: none;
    content: none;
}

.oc-faq-page .faq-item {
    margin-bottom: 0.5rem;
}

.oc-faq-page .faq-answer code {
    background: #f3f4f6;
    padding: 0.15rem 0.4rem;
    border-radius: 4px;
    font-size: 0.85em;
}

.oc-faq-testimonials {
    padding-top: 2.5rem;
    border-top: 1px solid rgba(15, 23, 42, 0.8);
}

.oc-faq-testimonials-title {
    margin: 0 0 0.35rem;
    font-size: 1.25rem;
    font-weight: 600;
    color: #f9fafb;
}

.oc-faq-testimonials-lead {
    margin: 0 0 1.5rem;
    font-size: 0.9rem;
    color: #9ca3af;
}

.oc-faq-testimonials-row {
    margin-top: 0;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.1rem;
}

@media (max-width: 640px) {
    .oc-faq-testimonials-row {
        grid-template-columns: 1fr;
    }
}

/* Archive 列表页 - 偏暗风格 */
.oc-arch-page {
    background: #ffffff;
    min-height: calc(100vh - 60px);
    padding: 2.5rem 0 3rem;
}

.oc-arch-head {
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid rgba(15, 23, 42, 0.9);
}

.oc-arch-title {
    margin: 0 0 0.4rem;
    font-size: 1.6rem;
    font-weight: 600;
    color: #111827;
}

.oc-arch-intro {
    font-size: 0.95rem;
    color: #4b5563;
    line-height: 1.5;
}

.oc-arch-feed {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.oc-feed-item {
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: 1.25rem;
    align-items: start;
    padding: 1.25rem;
    background: #ffffff;
    border: 1px solid #e5e7eb;
    border-radius: 10px;
    transition: border-color 0.2s ease, background 0.2s ease;
}

.oc-feed-item:hover {
    border-color: rgba(51, 112, 255, 0.35);
    background: #ffffff;
}

.oc-feed-item__thumb {
    border-radius: 8px;
    overflow: hidden;
    background: #f3f4f6;
}

.oc-feed-item__thumb a {
    display: block;
    line-height: 0;
}

.oc-feed-item__thumb img {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
    aspect-ratio: 16/10;
}

.oc-feed-item__body {
    min-width: 0;
}

.oc-feed-item__title {
    margin: 0 0 0.5rem;
    font-size: 1.1rem;
    font-weight: 600;
    line-height: 1.35;
}

.oc-feed-item__title a {
    color: #111827;
    text-decoration: none;
}

.oc-feed-item__title a:hover {
    color: #3370ff;
}

.oc-feed-item__excerpt {
    margin: 0 0 0.5rem;
    font-size: 0.9rem;
    color: #4b5563;
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.oc-feed-item__meta {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 0.8rem;
    color: #6b7280;
}

.oc-feed-item__meta svg {
    vertical-align: middle;
    margin-right: 0.25rem;
}

.oc-feed-item__date,
.oc-feed-item__views {
    display: inline-flex;
    align-items: center;
}

.oc-feed-item--no-thumb {
    grid-template-columns: 1fr;
}

.oc-arch-pager {
    margin-top: 2.5rem;
    display: flex;
    justify-content: center;
}

.oc-arch-pager .nav-links {
    display: flex;
    align-items: center;
    gap: 0.35rem;
}

.oc-arch-pager .page-numbers {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 2.25rem;
    height: 2.25rem;
    padding: 0 0.5rem;
    border-radius: 6px;
    background: #ffffff;
    border: 1px solid #e5e7eb;
    color: #374151;
    font-size: 0.9rem;
    text-decoration: none;
    transition: border-color 0.2s, background 0.2s, color 0.2s;
}

.oc-arch-pager .page-numbers:hover,
.oc-arch-pager .page-numbers.current {
    border-color: rgba(51, 112, 255, 0.45);
    background: rgba(51, 112, 255, 0.12);
    color: #3370ff;
}

.oc-arch-none {
    text-align: center;
    padding: 3rem 1rem;
    color: #9ca3af;
}

.oc-arch-none p {
    margin: 0 0 1rem;
}

.oc-arch-none .oc-btn {
    text-decoration: none;
}

/* Author 作者页 */
.oc-author-head {
    border-bottom: none;
    padding-bottom: 0;
}

.oc-author-card {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    padding: 1.25rem;
    border: 1px solid #e5e7eb;
    border-radius: 12px;
    background: #ffffff;
}

.oc-author-avatar img {
    width: 96px;
    height: 96px;
    border-radius: 999px;
    display: block;
}

.oc-author-info {
    min-width: 0;
}

.oc-author-title {
    margin: 0 0 0.35rem;
}

.oc-author-bio {
    margin-top: 0;
}

.oc-author-meta {
    margin-top: 0.65rem;
    font-size: 0.9rem;
    color: #4b5563;
}

.oc-author-meta strong {
    color: #111827;
    font-weight: 700;
}

@media (max-width: 640px) {
    .oc-author-card {
        flex-direction: column;
        align-items: flex-start;
    }

    .oc-author-avatar img {
        width: 80px;
        height: 80px;
    }
}

/* Single 文章页 - 偏暗风格 */
.oc-single-page {
    background: #ffffff;
    min-height: calc(100vh - 60px);
    padding: 2rem 0 3rem;
}

.oc-single-layout {
    display: grid;
    grid-template-columns: 1fr 280px;
    gap: 2.5rem;
    align-items: start;
}

.oc-single-breadcrumb {
    margin-bottom: 1.25rem;
    font-size: 0.85rem;
    color: #9ca3af;
}

.oc-single-breadcrumb a {
    color: #4b5563;
    text-decoration: none;
}

.oc-single-breadcrumb a:hover {
    color: #3370ff;
}

.oc-single-breadcrumb__sep {
    margin: 0 0.35rem;
    color: #6b7280;
}

.oc-single-breadcrumb__current {
    color: #9ca3af;
}

.oc-single-article {
    padding-bottom: 2rem;
    border-bottom: 1px solid #e5e7eb;
}

.oc-single-article__title {
    margin: 0 0 0.75rem;
    font-size: 1.75rem;
    font-weight: 600;
    color: #111827;
    line-height: 1.3;
}

.oc-single-article__byline {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
    font-size: 0.88rem;
    color: #6b7280;
}

.oc-single-article__meta {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    color: inherit;
    text-decoration: none;
}

.oc-single-article__meta--author:hover {
    color: #3370ff;
}

.oc-single-article__meta svg {
    flex-shrink: 0;
}

.oc-single-article__body {
    color: #111827;
    font-size: 1rem;
    line-height: 1.7;
}

.oc-single-article__body p {
    margin: 0 0 1rem;
}

.oc-single-article__body a {
    color: #3370ff;
    text-decoration: none;
}

.oc-single-article__body a:hover {
    text-decoration: none;
}

.oc-single-article__body h2,
.oc-single-article__body h3 {
    margin: 1.5rem 0 0.6rem;
    color: #111827;
    font-size: 1.15rem;
}

.oc-single-article__body ul,
.oc-single-article__body ol {
    margin: 0 0 1rem;
    padding-left: 1.5rem;
}

.oc-single-article__body li {
    margin-bottom: 0.35rem;
}

.oc-single-article__notice {
    margin: 1.5rem 0;
    padding: 1rem 1.15rem;
    background: #f9fafb;
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    font-size: 0.85rem;
    color: #4b5563;
}

.oc-single-article__notice p {
    margin: 0;
}

.oc-single-article__tags {
    margin-top: 1.5rem;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.5rem;
}

.oc-single-article__tags-label {
    font-size: 0.85rem;
    color: #6b7280;
    margin-right: 0.25rem;
}

.oc-single-article__tag {
    display: inline-block;
    padding: 0.25rem 0.6rem;
    border-radius: 999px;
    background: #ffffff;
    border: 1px solid #e5e7eb;
    color: #4b5563;
    font-size: 0.8rem;
    text-decoration: none;
    transition: border-color 0.2s, color 0.2s;
}

.oc-single-article__tag:hover {
    border-color: rgba(51, 112, 255, 0.4);
    color: #3370ff;
}

.oc-single-author {
    margin-top: 2rem;
    padding: 1.25rem;
    background: #ffffff;
    border: 1px solid #e5e7eb;
    border-radius: 10px;
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}

.oc-single-author__avatar {
    flex-shrink: 0;
    border-radius: 50%;
    overflow: hidden;
}

.oc-single-author__avatar img {
    display: block;
    width: 64px;
    height: 64px;
    object-fit: cover;
}

.oc-single-author__name {
    color: #111827;
    font-weight: 600;
    text-decoration: none;
}

.oc-single-author__name:hover {
    color: #3370ff;
}

.oc-single-author__bio {
    margin: 0.35rem 0 0.5rem;
    font-size: 0.9rem;
    color: #4b5563;
    line-height: 1.5;
}

.oc-single-author__link {
    font-size: 0.88rem;
    color: #3370ff;
    text-decoration: none;
}

.oc-single-author__link:hover {
    text-decoration: none;
}

/* 相关阅读 */
.oc-single-related {
    margin-top: 2.5rem;
}

.oc-single-related__title {
    margin: 0 0 1rem;
    font-size: 1.1rem;
    font-weight: 600;
    color: #111827;
}

.oc-single-related__list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    list-style: none;
    margin: 0;
    padding: 0;
}

.oc-single-related__item {
    margin: 0;
}

.oc-single-related__link {
    display: block;
    padding: 0.75rem;
    background: #ffffff;
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    text-decoration: none;
    transition: border-color 0.2s, background 0.2s;
}

.oc-single-related__link:hover {
    border-color: rgba(51, 112, 255, 0.35);
    background: #ffffff;
}

.oc-single-related__thumb {
    display: block;
    border-radius: 6px;
    overflow: hidden;
    margin-bottom: 0.5rem;
    background: rgba(0, 0, 0, 0.3);
}

.oc-single-related__thumb img {
    width: 100%;
    height: auto;
    aspect-ratio: 16/10;
    object-fit: cover;
    display: block;
}

.oc-single-related__thumb--placeholder {
    height: 80px;
    background: #f3f4f6;
}

.oc-single-related__card-title {
    font-size: 0.9rem;
    font-weight: 500;
    color: #111827;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.oc-single-related__link:hover .oc-single-related__card-title {
    color: #3370ff;
}

/* 侧栏 */
.oc-sidebar {
    position: sticky;
    top: 5rem;
}

.oc-sidebar-widget {
    margin-bottom: 1.75rem;
    padding: 1.25rem;
    background: #ffffff;
    border: 1px solid #e5e7eb;
    border-radius: 10px;
}

.oc-sidebar-widget__title {
    margin: 0 0 1rem;
    font-size: 0.95rem;
    font-weight: 600;
    color: #111827;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid #e5e7eb;
}

.oc-sidebar-posts,
.oc-sidebar-cats {
    list-style: none;
    margin: 0;
    padding: 0;
}

.oc-sidebar-post {
    display: flex;
    gap: 0.75rem;
    margin-bottom: 0.85rem;
    align-items: flex-start;
}

.oc-sidebar-post:last-child {
    margin-bottom: 0;
}

.oc-sidebar-post__thumb {
    flex-shrink: 0;
    width: 56px;
    height: 56px;
    border-radius: 6px;
    overflow: hidden;
    display: block;
    background: #f3f4f6;
}

.oc-sidebar-post__thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.oc-sidebar-post__info {
    min-width: 0;
}

.oc-sidebar-post__title {
    font-size: 0.88rem;
    color: #111827;
    text-decoration: none;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.oc-sidebar-post__title:hover {
    color: #3370ff;
}

.oc-sidebar-post__date {
    font-size: 0.75rem;
    color: #6b7280;
    margin-top: 0.2rem;
    display: block;
}

.oc-sidebar-cat {
    margin-bottom: 0.4rem;
}

.oc-sidebar-cat a {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.4rem 0;
    color: #4b5563;
    font-size: 0.9rem;
    text-decoration: none;
    border-radius: 4px;
    transition: color 0.2s;
}

.oc-sidebar-cat a:hover {
    color: #3370ff;
}

.oc-sidebar-cat__count {
    font-size: 0.8rem;
    color: #6b7280;
}

@media (max-width: 960px) {
    .oc-single-layout {
        grid-template-columns: 1fr;
    }

    .oc-sidebar {
        position: static;
    }

    .oc-arch-feed .oc-feed-item {
        grid-template-columns: 1fr;
    }

    .oc-feed-item__thumb {
        max-width: 100%;
        aspect-ratio: 16/9;
    }

    .oc-single-related__list {
        grid-template-columns: 1fr;
    }
}

/* Footer */
.oc-site-footer {
    border-top: 1px solid #e5e7eb;
    background: #ffffff;
}

.oc-footer-simple {
    padding-top: 2.2rem;
    padding-bottom: 2.4rem;
    text-align: center;
}

.oc-footer-copy-main {
    margin: 0 0 0.4rem;
    font-size: 0.82rem;
    color: #6b7280;
}

.oc-footer-disclaimer {
    margin: 0 0 0.4rem;
    font-size: 0.7rem;
    color: #6b7280;
}

.oc-footer-copy-main a {
    color: #3370ff;
}

.oc-footer-copy-links {
    margin: 0;
    font-size: 0.8rem;
    color: #6b7280;
}

.oc-footer-copy-links a {
    color: #4b5563;
    text-decoration: none;
}

.oc-footer-copy-links a:hover {
    color: #3370ff;
}

/* Responsive */
@media (max-width: 960px) {
    .oc-header-inner {
        gap: 0.75rem;
    }

    .oc-header-tagline {
        display: none;
    }

    .oc-header-nav {
        gap: 1rem;
        font-size: 0.82rem;
    }

    .oc-header-cta {
        padding-inline: 0.9rem;
        font-size: 0.82rem;
    }

    /* 首页 zf 平板 */
    .zf-hero-inner {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .zf-hero-visual {
        order: -1;
    }

    .zf-hero-title {
        font-size: 2rem;
    }

    .zf-section {
        padding: 3rem 0;
    }

    .zf-section-header h2 {
        font-size: 1.5rem;
    }

    .zf-download-grid {
        grid-template-columns: 1fr;
    }

    .zf-about-inner {
        grid-template-columns: 1fr;
    }

    .zf-features-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 1.2rem;
    }

    /* 浅色首页：features 改为两列，取消 3+2 手动跨列 */
    .zf-front-page--light .zf-section-features .zf-features-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 1.5rem;
    }

    .zf-front-page--light .zf-section-features .zf-feature-card,
    .zf-front-page--light .zf-section-features .zf-feature-card:nth-child(4),
    .zf-front-page--light .zf-section-features .zf-feature-card:nth-child(5) {
        grid-column: auto;
    }

    .zf-scenarios-grid {
        grid-template-columns: 1fr;
    }

    .zf-news-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 1.2rem;
    }

    .oc-testimonials-row {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 1.1rem;
        margin-top: 1.5rem;
    }

    .oc-testimonial-card {
        padding: 1.1rem 1.1rem;
    }
}

/* 移动端：汉堡菜单 */
@media (max-width: 768px) {
    .oc-header-inner {
        flex-wrap: wrap;
        padding-top: 0.75rem;
        padding-bottom: 0.75rem;
    }

    .oc-header-toggle {
        display: flex;
    }

    .oc-header-drawer {
        display: none;
        flex-direction: column;
        align-items: stretch;
        width: 100%;
        gap: 0;
        padding-top: 1rem;
        margin-top: 0.5rem;
        border-top: 1px solid rgba(15, 23, 42, 0.9);
    }

    .oc-site-header.oc-nav-open .oc-header-drawer {
        display: flex;
    }

    .oc-header-nav {
        width: 100%;
    }

    .oc-header-nav > ul,
    .oc-header-menu {
        flex-direction: column;
        align-items: stretch;
        gap: 0;
    }

    .oc-header-menu > li {
        border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    }

    .oc-header-menu a {
        display: block;
        padding: 0.85rem 0;
        font-size: 0.95rem;
    }

    .oc-header-cta {
        margin-top: 0.75rem;
        text-align: center;
        padding: 0.75rem 1.25rem;
    }

    /* 首页 zf 小屏 */
    .zf-front-page .zf-container {
        padding-left: 1.25rem;
        padding-right: 1.25rem;
    }

    .zf-hero {
        padding: 2.5rem 0 2rem;
    }

    .zf-hero-title {
        font-size: 1.85rem;
    }

    .zf-hero-actions .zf-btn {
        padding: 0.6rem 1.1rem;
        font-size: 0.88rem;
    }

    .zf-section {
        padding: 2.5rem 0;
    }

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

    /* 浅色首页：features 单列 */
    .zf-front-page--light .zf-section-features .zf-features-grid {
        grid-template-columns: 1fr;
        gap: 1.25rem;
    }

    /* About：移动端单列 */
    .zf-about-row,
    .zf-front-page--light .zf-about-row {
        grid-template-columns: 1fr;
        gap: 1.25rem;
    }

    .zf-front-page--light .zf-section-about .zf-section-header {
        margin-bottom: 1.75rem;
    }

    .zf-cta-inner {
        flex-direction: column;
        text-align: center;
        padding: 1.5rem 1.25rem;
    }

    .zf-news-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .zf-faq-toggle {
        padding: 0.8rem 1.1rem;
        font-size: 0.85rem;
    }

    .zf-faq-answer {
        padding: 0 1.1rem 0.75rem;
        font-size: 0.82rem;
    }

    .faq-toggle {
        padding: 0.8rem 1.1rem;
        font-size: 0.85rem;
    }

    .faq-answer {
        padding: 0 1.1rem 0.75rem;
        font-size: 0.82rem;
    }
}

@media (max-width: 640px) {
    .oc-footer-simple {
        text-align: left;
    }

    /* 首页 zf 窄屏 */
    .zf-front-page .zf-container {
        padding-left: 1rem;
        padding-right: 1rem;
    }

    .zf-hero {
        padding: 2rem 0 1.75rem;
    }

    .zf-hero-title {
        font-size: 1.65rem;
    }

    .zf-hero-kicker {
        font-size: 0.85rem;
    }

    .zf-hero-text {
        font-size: 0.88rem;
    }

    .zf-section-header h2 {
        font-size: 1.25rem;
    }

    .zf-section {
        padding: 2.5rem 0;
    }

    .zf-download-card .zf-btn {
        padding: 0.6rem 1rem;
        font-size: 0.85rem;
    }

    .zf-feature-card,
    .zf-scenario-card {
        padding: 1.1rem 1.2rem;
    }

    .zf-steps-list li {
        padding-left: 3.25rem;
    }

    .zf-steps-list li::before {
        width: 1.5rem;
        height: 1.5rem;
        font-size: 0.8rem;
    }

    .zf-faq-list {
        margin-top: 1rem;
    }

    .zf-faq-toggle {
        padding: 0.75rem 1rem;
        font-size: 0.82rem;
    }

    .zf-faq-answer {
        padding: 0 1rem 0.65rem;
        font-size: 0.8rem;
    }

    .oc-testimonials-row {
        grid-template-columns: 1fr;
        gap: 1rem;
        margin-top: 1.25rem;
    }

    .oc-testimonial-card {
        padding: 1rem 1rem;
        font-size: 0.85rem;
    }

    .oc-testimonial-text {
        margin-bottom: 0.5rem;
    }

    .oc-faq-list {
        margin-top: 1rem;
    }

    .faq-toggle {
        padding: 0.75rem 1rem;
        font-size: 0.82rem;
    }

    .faq-answer {
        padding: 0 1rem 0.65rem;
        font-size: 0.8rem;
    }
}