/* ==========================================================================
   Zoom Download Center - WordPress Theme Stylesheet
   Design System: Zoom Official Brand Colors & Typography
   ========================================================================== */

/* ---------- CSS Custom Properties ---------- */
:root {
    --zoom-blue: #0B5CFF;
    --zoom-blue-hover: #0047CC;
    --zoom-blue-light: #E8F0FE;
    --zoom-blue-lighter: #F0F5FF;
    --zoom-dark: #0E1B33;
    --zoom-text: #232333;
    --zoom-text-secondary: #6E7191;
    --zoom-text-light: #8F90A6;
    --zoom-border: #E4E4E7;
    --zoom-bg: #FFFFFF;
    --zoom-bg-gray: #F7F8FA;
    --zoom-bg-footer: #1A1E2E;
    --zoom-success: #17B26A;
    --zoom-warning: #F79009;
    --zoom-radius-sm: 6px;
    --zoom-radius: 10px;
    --zoom-radius-lg: 16px;
    --zoom-radius-xl: 24px;
    --zoom-shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
    --zoom-shadow: 0 4px 12px rgba(0,0,0,0.08);
    --zoom-shadow-lg: 0 8px 30px rgba(0,0,0,0.1);
    --zoom-shadow-xl: 0 20px 60px rgba(0,0,0,0.12);
    --zoom-transition: 0.2s ease;
    --zoom-font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
    --container-width: 1200px;
    --header-height: 64px;
}

/* ---------- Reset & Base ---------- */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--zoom-font);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--zoom-text);
    background: var(--zoom-bg);
    overflow-x: hidden;
}

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

a {
    color: var(--zoom-blue);
    text-decoration: none;
    transition: color var(--zoom-transition);
}

a:hover {
    color: var(--zoom-blue-hover);
}

ul, ol {
    list-style: none;
}

.screen-reader-text {
    clip: rect(1px, 1px, 1px, 1px);
    position: absolute !important;
    height: 1px;
    width: 1px;
    overflow: hidden;
    word-wrap: normal !important;
}

.screen-reader-text:focus {
    background-color: #f1f1f1;
    border-radius: 3px;
    box-shadow: 0 0 2px 2px rgba(0,0,0,.6);
    clip: auto !important;
    display: block;
    font-size: 14px;
    font-weight: 700;
    height: auto;
    left: 5px;
    line-height: normal;
    padding: 15px 23px 14px;
    text-decoration: none;
    top: 5px;
    width: auto;
    z-index: 100000;
}

/* ---------- Container ---------- */
.container {
    width: 100%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 24px;
}

/* ---------- Buttons ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 24px;
    font-size: 0.9375rem;
    font-weight: 600;
    font-family: var(--zoom-font);
    line-height: 1.4;
    border: 2px solid transparent;
    border-radius: var(--zoom-radius);
    cursor: pointer;
    transition: all var(--zoom-transition);
    white-space: nowrap;
    text-decoration: none;
}

.btn-primary {
    background: var(--zoom-blue);
    color: #fff;
    border-color: var(--zoom-blue);
}

.btn-primary:hover {
    background: var(--zoom-blue-hover);
    border-color: var(--zoom-blue-hover);
    color: #fff;
    transform: translateY(-1px);
    box-shadow: var(--zoom-shadow);
}

.btn-outline {
    background: transparent;
    color: var(--zoom-blue);
    border-color: var(--zoom-blue);
}

.btn-outline:hover {
    background: var(--zoom-blue);
    color: #fff;
}

.btn-secondary {
    background: var(--zoom-blue-light);
    color: var(--zoom-blue);
    border-color: var(--zoom-blue-light);
}

.btn-secondary:hover {
    background: var(--zoom-blue);
    color: #fff;
    border-color: var(--zoom-blue);
}

.btn-text {
    background: transparent;
    color: var(--zoom-blue);
    padding: 10px 16px;
    border: none;
}

.btn-text:hover {
    background: var(--zoom-blue-light);
}

.btn-white {
    background: #fff;
    color: var(--zoom-blue);
    border-color: #fff;
}

.btn-white:hover {
    background: var(--zoom-blue-light);
    border-color: var(--zoom-blue-light);
    color: var(--zoom-blue-hover);
}

.btn-lg {
    padding: 14px 32px;
    font-size: 1.0625rem;
    border-radius: var(--zoom-radius-lg);
}

/* ---------- Header ---------- */
.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: var(--zoom-bg);
    border-bottom: 1px solid var(--zoom-border);
}

.header-top {
    height: var(--header-height);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--header-height);
    gap: 32px;
}

.header-logo {
    flex-shrink: 0;
}

.logo-link {
    display: flex;
    align-items: center;
}

.zoom-logo text {
    letter-spacing: -0.5px;
}

.header-nav {
    flex: 1;
    display: flex;
    justify-content: center;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 4px;
}

.nav-menu .menu-item a {
    display: block;
    padding: 8px 16px;
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--zoom-text);
    border-radius: var(--zoom-radius-sm);
    transition: all var(--zoom-transition);
}

.nav-menu .menu-item a:hover,
.nav-menu .menu-item.current-menu-item a {
    color: var(--zoom-blue);
    background: var(--zoom-blue-light);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
}

.search-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: none;
    border: none;
    border-radius: var(--zoom-radius-sm);
    color: var(--zoom-text-secondary);
    cursor: pointer;
    transition: all var(--zoom-transition);
}

.search-toggle:hover {
    background: var(--zoom-blue-light);
    color: var(--zoom-blue);
}

.header-download-btn {
    padding: 8px 20px;
    font-size: 0.875rem;
}

.mobile-menu-toggle {
    display: none;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
}

.hamburger {
    display: flex;
    flex-direction: column;
    gap: 5px;
    width: 22px;
}

.hamburger span {
    display: block;
    height: 2px;
    background: var(--zoom-text);
    border-radius: 2px;
    transition: all 0.3s ease;
}

/* Search Overlay */
.search-overlay {
    background: var(--zoom-bg);
    border-bottom: 1px solid var(--zoom-border);
    padding: 16px 0;
}

.search-form-overlay {
    display: flex;
    align-items: center;
    gap: 12px;
}

.search-input-overlay {
    flex: 1;
    padding: 12px 20px;
    font-size: 1rem;
    font-family: var(--zoom-font);
    border: 2px solid var(--zoom-border);
    border-radius: var(--zoom-radius);
    outline: none;
    transition: border-color var(--zoom-transition);
}

.search-input-overlay:focus {
    border-color: var(--zoom-blue);
}

.search-submit-overlay,
.search-close {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border: none;
    border-radius: var(--zoom-radius-sm);
    cursor: pointer;
    transition: all var(--zoom-transition);
}

.search-submit-overlay {
    background: var(--zoom-blue);
    color: #fff;
}

.search-submit-overlay:hover {
    background: var(--zoom-blue-hover);
}

.search-close {
    background: var(--zoom-bg-gray);
    color: var(--zoom-text);
    font-size: 24px;
    line-height: 1;
}

/* Mobile Nav */
.mobile-nav {
    background: var(--zoom-bg);
    border-bottom: 1px solid var(--zoom-border);
    padding: 16px 0 24px;
}

.mobile-menu {
    display: flex;
    flex-direction: column;
    gap: 4px;
    margin-bottom: 16px;
}

.mobile-menu li a {
    display: block;
    padding: 12px 16px;
    font-size: 1rem;
    font-weight: 500;
    color: var(--zoom-text);
    border-radius: var(--zoom-radius-sm);
}

.mobile-menu li a:hover {
    background: var(--zoom-blue-light);
    color: var(--zoom-blue);
}

.mobile-download-btn {
    width: 100%;
}

/* ---------- Hero Section ---------- */
.hero-section {
    background: linear-gradient(135deg, #0B5CFF 0%, #0047CC 50%, #002D8A 100%);
    color: #fff;
    padding: 80px 0 72px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -25%;
    width: 150%;
    height: 200%;
    background: radial-gradient(ellipse at center, rgba(255,255,255,0.05) 0%, transparent 70%);
    pointer-events: none;
}

.hero-section::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 80px;
    background: linear-gradient(to bottom, transparent, rgba(0,0,0,0.05));
    pointer-events: none;
}

.hero-badge {
    display: inline-block;
    padding: 6px 16px;
    font-size: 0.8125rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    background: rgba(255,255,255,0.15);
    border: 1px solid rgba(255,255,255,0.25);
    border-radius: 100px;
    margin-bottom: 24px;
    backdrop-filter: blur(10px);
}

.hero-title {
    font-size: 3rem;
    font-weight: 700;
    line-height: 1.15;
    margin-bottom: 20px;
    letter-spacing: -0.02em;
}

.hero-highlight {
    display: block;
    color: #7EB6FF;
    margin-top: 4px;
}

.hero-desc {
    font-size: 1.125rem;
    line-height: 1.7;
    max-width: 680px;
    margin: 0 auto 28px;
    opacity: 0.9;
}

.hero-version {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 32px;
    font-size: 0.875rem;
}

.version-tag {
    padding: 4px 10px;
    background: rgba(255,255,255,0.2);
    border-radius: 4px;
    font-weight: 600;
}

.version-number {
    opacity: 0.85;
    font-family: 'Courier New', monospace;
}

.hero-actions {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    margin-bottom: 24px;
    flex-wrap: wrap;
}

.download-btn {
    min-width: 220px;
}

.download-btn span {
    display: flex;
    flex-direction: column;
    text-align: left;
}

.download-btn small {
    font-size: 0.75rem;
    font-weight: 400;
    opacity: 0.8;
}

.hero-actions .btn-primary {
    background: #fff;
    color: var(--zoom-blue);
    border-color: #fff;
}

.hero-actions .btn-primary:hover {
    background: var(--zoom-blue-light);
    border-color: var(--zoom-blue-light);
    color: var(--zoom-blue-hover);
}

.hero-actions .btn-outline {
    color: #fff;
    border-color: rgba(255,255,255,0.5);
}

.hero-actions .btn-outline:hover {
    background: rgba(255,255,255,0.15);
    border-color: #fff;
    color: #fff;
}

.hero-alt-downloads {
    font-size: 0.875rem;
    opacity: 0.8;
}

.hero-alt-downloads a {
    color: #fff;
    text-decoration: underline;
    text-underline-offset: 3px;
}

.hero-alt-downloads a:hover {
    opacity: 0.7;
    color: #fff;
}

.alt-sep {
    margin: 0 8px;
    opacity: 0.5;
}

.alt-label {
    margin-right: 4px;
}

/* ---------- Products Grid ---------- */
.download-products {
    padding: 80px 0;
    background: var(--zoom-bg-gray);
}

.section-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--zoom-text);
    text-align: center;
    margin-bottom: 12px;
    letter-spacing: -0.01em;
}

.section-desc {
    font-size: 1.0625rem;
    color: var(--zoom-text-secondary);
    text-align: center;
    margin-bottom: 48px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

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

.product-card {
    background: var(--zoom-bg);
    border-radius: var(--zoom-radius-lg);
    padding: 32px;
    border: 1px solid var(--zoom-border);
    transition: all 0.3s ease;
}

.product-card:hover {
    border-color: var(--zoom-blue);
    box-shadow: var(--zoom-shadow-lg);
    transform: translateY(-4px);
}

.product-icon {
    margin-bottom: 20px;
}

.product-name {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--zoom-text);
    margin-bottom: 10px;
}

.product-desc {
    font-size: 0.9375rem;
    color: var(--zoom-text-secondary);
    line-height: 1.6;
    margin-bottom: 20px;
}

.product-links {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.qr-section {
    margin-top: 20px;
    display: flex;
    align-items: center;
    gap: 12px;
    padding-top: 16px;
    border-top: 1px solid var(--zoom-border);
}

.qr-text {
    font-size: 0.8125rem;
    color: var(--zoom-text-light);
}

/* ---------- Features Section ---------- */
.features-section {
    padding: 80px 0;
    background: var(--zoom-bg);
}

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

.feature-item {
    text-align: center;
    padding: 24px;
}

.feature-icon {
    margin-bottom: 16px;
    display: flex;
    justify-content: center;
}

.feature-item h3 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--zoom-text);
    margin-bottom: 10px;
}

.feature-item p {
    font-size: 0.9375rem;
    color: var(--zoom-text-secondary);
    line-height: 1.6;
}

/* ---------- Latest Posts ---------- */
.latest-posts {
    padding: 80px 0;
    background: var(--zoom-bg-gray);
}

.section-header {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    margin-bottom: 48px;
    gap: 24px;
}

.section-header .section-title {
    text-align: left;
    margin-bottom: 8px;
}

.section-header .section-desc {
    text-align: left;
    margin: 0;
}

.view-all-btn {
    flex-shrink: 0;
}

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

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

.post-card {
    background: var(--zoom-bg);
    border-radius: var(--zoom-radius-lg);
    overflow: hidden;
    border: 1px solid var(--zoom-border);
    transition: all 0.3s ease;
}

.post-card:hover {
    box-shadow: var(--zoom-shadow-lg);
    transform: translateY(-4px);
    border-color: transparent;
}

.post-card-link {
    display: block;
    color: inherit;
    text-decoration: none;
}

.post-card-link:hover {
    color: inherit;
}

.post-card-thumb {
    aspect-ratio: 16 / 9;
    overflow: hidden;
    background: var(--zoom-blue-light);
}

.post-card-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.post-card:hover .post-card-thumb img {
    transform: scale(1.05);
}

.post-card-thumb-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--zoom-blue-lighter);
}

.post-card-body {
    padding: 20px;
}

.post-card-meta {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
    font-size: 0.8125rem;
}

.post-card-cat {
    display: inline-block;
    padding: 2px 8px;
    background: var(--zoom-blue-light);
    color: var(--zoom-blue);
    border-radius: 4px;
    font-weight: 600;
    font-size: 0.75rem;
}

.post-card-date {
    color: var(--zoom-text-light);
}

.post-card-title {
    font-size: 1.0625rem;
    font-weight: 600;
    line-height: 1.4;
    color: var(--zoom-text);
    margin-bottom: 8px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.post-card-excerpt {
    font-size: 0.875rem;
    color: var(--zoom-text-secondary);
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* ---------- FAQ Section ---------- */
.faq-section {
    padding: 80px 0;
    background: var(--zoom-bg);
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    border: 1px solid var(--zoom-border);
    border-radius: var(--zoom-radius);
    margin-bottom: 12px;
    overflow: hidden;
    transition: border-color var(--zoom-transition);
}

.faq-item:hover {
    border-color: var(--zoom-blue);
}

.faq-question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: 20px 24px;
    font-family: var(--zoom-font);
    background: none;
    border: none;
    cursor: pointer;
    text-align: left;
    gap: 16px;
}

.faq-question h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--zoom-text);
    margin: 0;
}

.faq-arrow {
    flex-shrink: 0;
    color: var(--zoom-text-light);
    transition: transform 0.3s ease;
}

.faq-item.active .faq-arrow {
    transform: rotate(180deg);
}

.faq-answer {
    padding: 0 24px 20px;
}

.faq-answer p {
    font-size: 0.9375rem;
    line-height: 1.7;
    color: var(--zoom-text-secondary);
}

/* ---------- CTA Section ---------- */
.cta-section {
    padding: 80px 0;
    background: linear-gradient(135deg, #0B5CFF, #002D8A);
    color: #fff;
    text-align: center;
}

.cta-content h2 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 16px;
    letter-spacing: -0.01em;
}

.cta-content p {
    font-size: 1.0625rem;
    opacity: 0.9;
    margin-bottom: 32px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* ---------- Footer ---------- */
.site-footer {
    background: var(--zoom-bg-footer);
    color: #C2C4D0;
}

.footer-main {
    padding: 56px 0 40px;
}

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

.footer-title {
    font-size: 0.9375rem;
    font-weight: 600;
    color: #fff;
    margin-bottom: 20px;
}

.footer-links li {
    margin-bottom: 10px;
}

.footer-links a {
    color: #9EA0B3;
    font-size: 0.875rem;
    transition: color var(--zoom-transition);
}

.footer-links a:hover {
    color: #fff;
}

.footer-social {
    display: flex;
    align-items: center;
    gap: 16px;
    padding-top: 32px;
    border-top: 1px solid rgba(255,255,255,0.1);
}

.social-label {
    font-size: 0.875rem;
    color: #9EA0B3;
}

.social-icons {
    display: flex;
    gap: 12px;
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    color: #9EA0B3;
    transition: all var(--zoom-transition);
    background: rgba(255,255,255,0.06);
}

.social-link:hover {
    color: #fff;
    background: rgba(255,255,255,0.15);
}

.footer-bottom {
    padding: 20px 0;
    border-top: 1px solid rgba(255,255,255,0.08);
}

.footer-bottom-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 16px;
}

.copyright {
    font-size: 0.8125rem;
    color: #6E7191;
}

.footer-legal {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.footer-legal a {
    font-size: 0.8125rem;
    color: #6E7191;
}

.footer-legal a:hover {
    color: #fff;
}

/* ---------- Breadcrumbs ---------- */
.breadcrumbs {
    background: var(--zoom-bg-gray);
    padding: 12px 0;
    border-bottom: 1px solid var(--zoom-border);
}

.breadcrumb-list {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.8125rem;
}

.breadcrumb-item + .breadcrumb-item::before {
    content: '/';
    color: var(--zoom-text-light);
    margin-right: 8px;
}

.breadcrumb-item a {
    color: var(--zoom-text-secondary);
}

.breadcrumb-item a:hover {
    color: var(--zoom-blue);
}

.breadcrumb-item:last-child span {
    color: var(--zoom-text);
    font-weight: 500;
}

/* ---------- Content Area ---------- */
.content-area {
    padding: 48px 0 80px;
}

.content-layout {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 48px;
}

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

.page-header {
    margin-bottom: 40px;
}

.page-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--zoom-text);
    margin-bottom: 8px;
}

.page-desc {
    font-size: 1rem;
    color: var(--zoom-text-secondary);
}

/* ---------- List Post Card ---------- */
.posts-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.list-post-card {
    background: var(--zoom-bg);
    border: 1px solid var(--zoom-border);
    border-radius: var(--zoom-radius-lg);
    overflow: hidden;
    transition: all 0.3s ease;
}

.list-post-card:hover {
    border-color: var(--zoom-blue);
    box-shadow: var(--zoom-shadow);
}

.list-post-link {
    display: grid;
    grid-template-columns: 260px 1fr;
    color: inherit;
    text-decoration: none;
}

.list-post-link:hover {
    color: inherit;
}

.list-post-thumb {
    aspect-ratio: 16/9;
    overflow: hidden;
    background: var(--zoom-blue-light);
}

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

.list-post-body {
    padding: 24px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.list-post-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--zoom-text);
    margin-bottom: 8px;
    line-height: 1.4;
}

.list-post-excerpt {
    font-size: 0.9375rem;
    color: var(--zoom-text-secondary);
    line-height: 1.6;
    margin-bottom: 12px;
}

.read-more {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--zoom-blue);
}

/* ---------- Article ---------- */
.single-article {
    background: var(--zoom-bg);
}

.article-header {
    margin-bottom: 32px;
}

.article-meta-top {
    display: flex;
    gap: 8px;
    margin-bottom: 12px;
}

.article-cat {
    display: inline-block;
    padding: 4px 12px;
    background: var(--zoom-blue-light);
    color: var(--zoom-blue);
    border-radius: 4px;
    font-size: 0.8125rem;
    font-weight: 600;
}

.article-title {
    font-size: 2.25rem;
    font-weight: 700;
    line-height: 1.25;
    color: var(--zoom-text);
    margin-bottom: 16px;
}

.article-meta {
    display: flex;
    align-items: center;
    gap: 16px;
    font-size: 0.875rem;
    color: var(--zoom-text-secondary);
}

.article-featured-image {
    margin-bottom: 32px;
    border-radius: var(--zoom-radius-lg);
    overflow: hidden;
}

.article-featured-image img {
    width: 100%;
}

.article-content {
    font-size: 1.0625rem;
    line-height: 1.8;
    color: var(--zoom-text);
}

.article-content h2 {
    font-size: 1.5rem;
    font-weight: 600;
    margin: 32px 0 16px;
}

.article-content h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin: 24px 0 12px;
}

.article-content p {
    margin-bottom: 16px;
}

.article-content ul,
.article-content ol {
    margin-bottom: 16px;
    padding-left: 24px;
    list-style: disc;
}

.article-content ol {
    list-style: decimal;
}

.article-content li {
    margin-bottom: 8px;
}

.article-content blockquote {
    border-left: 4px solid var(--zoom-blue);
    padding: 16px 24px;
    margin: 24px 0;
    background: var(--zoom-blue-lighter);
    border-radius: 0 var(--zoom-radius-sm) var(--zoom-radius-sm) 0;
}

.article-content img {
    border-radius: var(--zoom-radius);
    margin: 24px 0;
}

.article-content pre {
    background: var(--zoom-dark);
    color: #E4E7EB;
    padding: 20px;
    border-radius: var(--zoom-radius);
    overflow-x: auto;
    margin: 24px 0;
    font-size: 0.875rem;
}

.article-content code {
    background: var(--zoom-bg-gray);
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 0.875rem;
}

.article-content pre code {
    background: none;
    padding: 0;
}

.article-content a {
    color: var(--zoom-blue);
    text-decoration: underline;
    text-underline-offset: 3px;
}

.article-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 24px 0;
}

.article-content th,
.article-content td {
    padding: 12px 16px;
    border: 1px solid var(--zoom-border);
    text-align: left;
}

.article-content th {
    background: var(--zoom-bg-gray);
    font-weight: 600;
}

/* Article Footer */
.article-footer {
    margin-top: 40px;
    padding-top: 24px;
    border-top: 1px solid var(--zoom-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
}

.article-tags {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

.tags-label {
    font-size: 0.875rem;
    color: var(--zoom-text-secondary);
}

.tag-link {
    display: inline-block;
    padding: 4px 12px;
    background: var(--zoom-bg-gray);
    border-radius: 4px;
    font-size: 0.8125rem;
    color: var(--zoom-text-secondary);
}

.tag-link:hover {
    background: var(--zoom-blue-light);
    color: var(--zoom-blue);
}

.article-share {
    display: flex;
    align-items: center;
    gap: 8px;
}

.share-label {
    font-size: 0.875rem;
    color: var(--zoom-text-secondary);
}

.share-btn {
    display: inline-block;
    padding: 4px 12px;
    background: var(--zoom-bg-gray);
    border: none;
    border-radius: 4px;
    font-size: 0.8125rem;
    font-family: var(--zoom-font);
    color: var(--zoom-text-secondary);
    cursor: pointer;
    transition: all var(--zoom-transition);
}

.share-btn:hover {
    background: var(--zoom-blue-light);
    color: var(--zoom-blue);
}

/* Post Navigation */
.post-navigation {
    margin-top: 48px;
    padding-top: 32px;
    border-top: 1px solid var(--zoom-border);
}

.post-nav-links {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

.post-nav-link {
    display: block;
    padding: 20px;
    background: var(--zoom-bg-gray);
    border-radius: var(--zoom-radius);
    color: inherit;
    transition: all var(--zoom-transition);
}

.post-nav-link:hover {
    background: var(--zoom-blue-light);
    color: var(--zoom-blue);
}

.post-nav-label {
    display: block;
    font-size: 0.8125rem;
    color: var(--zoom-text-light);
    margin-bottom: 4px;
}

.post-nav-title {
    font-size: 0.9375rem;
    font-weight: 600;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.post-nav-next {
    text-align: right;
}

/* Related Posts */
.related-posts {
    margin-top: 56px;
}

.related-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 24px;
}

/* ---------- Sidebar ---------- */
.content-sidebar {
    position: sticky;
    top: calc(var(--header-height) + 24px);
    align-self: start;
}

.sidebar-inner {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.sidebar-download-widget {
    background: var(--zoom-bg);
    border: 1px solid var(--zoom-border);
    border-radius: var(--zoom-radius-lg);
    padding: 24px;
}

.widget-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--zoom-text);
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--zoom-blue);
}

.sidebar-download-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.sidebar-dl-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    background: var(--zoom-bg-gray);
    border-radius: var(--zoom-radius-sm);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--zoom-text);
    transition: all var(--zoom-transition);
}

.sidebar-dl-item:hover {
    background: var(--zoom-blue-light);
    color: var(--zoom-blue);
}

.widget {
    background: var(--zoom-bg);
    border: 1px solid var(--zoom-border);
    border-radius: var(--zoom-radius-lg);
    padding: 24px;
}

.sidebar-post-list li {
    padding: 10px 0;
    border-bottom: 1px solid var(--zoom-border);
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 12px;
}

.sidebar-post-list li:last-child {
    border-bottom: none;
}

.sidebar-post-list a {
    font-size: 0.875rem;
    color: var(--zoom-text);
    line-height: 1.4;
    flex: 1;
}

.sidebar-post-list a:hover {
    color: var(--zoom-blue);
}

.sidebar-post-list time {
    font-size: 0.75rem;
    color: var(--zoom-text-light);
    flex-shrink: 0;
}

.sidebar-cat-list li {
    padding: 8px 0;
    border-bottom: 1px solid var(--zoom-border);
}

.sidebar-cat-list li:last-child {
    border-bottom: none;
}

.sidebar-cat-list a {
    font-size: 0.875rem;
    color: var(--zoom-text);
}

.sidebar-cat-list a:hover {
    color: var(--zoom-blue);
}

/* ---------- Pagination ---------- */
.pagination {
    margin-top: 40px;
}

.pagination .nav-links {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.pagination .page-numbers {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    padding: 0 12px;
    font-size: 0.875rem;
    font-weight: 500;
    border: 1px solid var(--zoom-border);
    border-radius: var(--zoom-radius-sm);
    color: var(--zoom-text);
    transition: all var(--zoom-transition);
}

.pagination .page-numbers:hover,
.pagination .page-numbers.current {
    background: var(--zoom-blue);
    color: #fff;
    border-color: var(--zoom-blue);
}

/* ---------- 404 Page ---------- */
.error-404-page {
    text-align: center;
    padding: 80px 0;
    max-width: 560px;
    margin: 0 auto;
}

.error-icon {
    margin-bottom: 24px;
}

.error-title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.error-desc {
    font-size: 1rem;
    color: var(--zoom-text-secondary);
    margin-bottom: 32px;
}

.error-actions {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-bottom: 40px;
}

.error-search p {
    font-size: 0.875rem;
    color: var(--zoom-text-light);
    margin-bottom: 16px;
}

/* ---------- Search Form ---------- */
.search-form-inner {
    display: flex;
    gap: 8px;
}

.search-input {
    flex: 1;
    padding: 10px 16px;
    font-size: 0.9375rem;
    font-family: var(--zoom-font);
    border: 2px solid var(--zoom-border);
    border-radius: var(--zoom-radius);
    outline: none;
    transition: border-color var(--zoom-transition);
}

.search-input:focus {
    border-color: var(--zoom-blue);
}

.search-submit {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    background: var(--zoom-blue);
    color: #fff;
    border: none;
    border-radius: var(--zoom-radius);
    cursor: pointer;
    transition: background var(--zoom-transition);
}

.search-submit:hover {
    background: var(--zoom-blue-hover);
}

/* ---------- Comments ---------- */
.comments-section {
    margin-top: 48px;
    padding-top: 32px;
    border-top: 1px solid var(--zoom-border);
}

.comments-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 24px;
}

.comment-list {
    list-style: none;
}

.comment-list .comment {
    padding: 20px 0;
    border-bottom: 1px solid var(--zoom-border);
}

.comment-list .comment-body {
    display: flex;
    gap: 16px;
}

.comment-list .comment-author img {
    border-radius: 50%;
}

.comment-list .comment-content {
    font-size: 0.9375rem;
    line-height: 1.6;
}

.comment-list .reply a {
    font-size: 0.8125rem;
    color: var(--zoom-blue);
}

.comment-form label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 4px;
}

.comment-form input[type="text"],
.comment-form input[type="email"],
.comment-form input[type="url"],
.comment-form textarea {
    width: 100%;
    padding: 10px 16px;
    font-size: 0.9375rem;
    font-family: var(--zoom-font);
    border: 2px solid var(--zoom-border);
    border-radius: var(--zoom-radius);
    outline: none;
    transition: border-color var(--zoom-transition);
    margin-bottom: 16px;
}

.comment-form input:focus,
.comment-form textarea:focus {
    border-color: var(--zoom-blue);
}

.comment-form .form-submit input {
    background: var(--zoom-blue);
    color: #fff;
    border: none;
    padding: 12px 28px;
    font-size: 0.9375rem;
    font-weight: 600;
    font-family: var(--zoom-font);
    border-radius: var(--zoom-radius);
    cursor: pointer;
    transition: background var(--zoom-transition);
}

.comment-form .form-submit input:hover {
    background: var(--zoom-blue-hover);
}

/* ---------- No Posts ---------- */
.no-posts {
    text-align: center;
    padding: 60px 20px;
}

.no-posts h2 {
    font-size: 1.5rem;
    margin-bottom: 12px;
}

.no-posts p {
    color: var(--zoom-text-secondary);
    margin-bottom: 24px;
}

/* ---------- WordPress Defaults ---------- */
.wp-caption {
    max-width: 100%;
}

.wp-caption-text {
    font-size: 0.8125rem;
    color: var(--zoom-text-light);
    text-align: center;
    padding: 8px 0;
}

.alignleft {
    float: left;
    margin: 0 20px 20px 0;
}

.alignright {
    float: right;
    margin: 0 0 20px 20px;
}

.aligncenter {
    display: block;
    margin: 0 auto 20px;
}

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

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

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

    .content-sidebar {
        position: static;
    }
}

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

    .header-nav {
        display: none;
    }

    .header-download-btn {
        display: none;
    }

    .mobile-menu-toggle {
        display: flex;
    }

    .hero-section {
        padding: 56px 0 48px;
    }

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

    .hero-desc {
        font-size: 1rem;
    }

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

    .download-btn {
        min-width: auto;
        justify-content: center;
    }

    .hero-alt-downloads {
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        gap: 4px;
    }

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

    .features-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

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

    .posts-grid-3 {
        grid-template-columns: 1fr;
    }

    .section-title {
        font-size: 1.5rem;
    }

    .section-header {
        flex-direction: column;
        align-items: flex-start;
    }

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

    .list-post-thumb {
        aspect-ratio: 16/9;
    }

    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
    }

    .footer-bottom-inner {
        flex-direction: column;
        text-align: center;
    }

    .footer-legal {
        justify-content: center;
    }

    .footer-social {
        flex-direction: column;
        align-items: flex-start;
    }

    .article-title {
        font-size: 1.75rem;
    }

    .post-nav-links {
        grid-template-columns: 1fr;
    }

    .cta-content h2 {
        font-size: 1.5rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }

    .hero-title {
        font-size: 1.625rem;
    }

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

    .product-card {
        padding: 24px;
    }

    .article-title {
        font-size: 1.5rem;
    }
}

/* ---------- Print Styles ---------- */
@media print {
    .site-header,
    .site-footer,
    .search-overlay,
    .mobile-nav,
    .cta-section,
    .sidebar,
    .post-navigation,
    .comments-section,
    .related-posts {
        display: none !important;
    }

    body {
        font-size: 12pt;
        color: #000;
    }

    a {
        color: #000;
        text-decoration: underline;
    }
}