/* ============================================================
   AI 智能体 · 全站统一样式 (合并去重版)
   ============================================================ */

/* ===== 1. RESET & BASE ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Helvetica Neue', sans-serif;
    background: #f0f7ff;
    color: #1e293b;
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
}
a {
    text-decoration: none;
    color: inherit;
}
ul, ol {
    list-style: none;
}
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ===== 2. 通用区块 ===== */
.section {
    padding: 80px 0;
}
.section-alt {
    background: #ffffff;
    border-top: 1px solid rgba(37, 99, 235, 0.06);
    border-bottom: 1px solid rgba(37, 99, 235, 0.06);
}
.section-title {
    font-size: 2.4rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    text-align: center;
    margin-bottom: 12px;
    color: #0b1b33;
}
.section-title .blue {
    background: linear-gradient(135deg, #3b82f6, #1d4ed8);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.section-sub {
    text-align: center;
    color: #475569;
    font-size: 1.05rem;
    max-width: 640px;
    margin: 0 auto 56px;
}

/* ===== 3. 顶部导航 ===== */
.navbar {
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(37, 99, 235, 0.08);
    position: sticky;
    top: 0;
    z-index: 100;
    padding: 16px 0;
}
.navbar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.nav-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    font-size: 1.4rem;
    color: #2563eb;
}
.nav-brand .brand-icon {
    width: 38px;
    height: 38px;
    background: linear-gradient(135deg, #3b82f6, #1d4ed8);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
    font-weight: 700;
    font-size: 1.2rem;
}
.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
    font-weight: 500;
    font-size: 0.95rem;
    color: #1e293b;
}
.nav-links a {
    transition: color 0.2s;
    position: relative;
}
.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: #2563eb;
    transition: width 0.25s;
}
.nav-links a:hover {
    color: #2563eb;
}
.nav-links a:hover::after {
    width: 100%;
}
.nav-links .active-link {
    color: #2563eb;
}
.nav-links .active-link::after {
    width: 100%;
}
.nav-download-btn {
    background: linear-gradient(135deg, #3b82f6, #1d4ed8);
    color: #ffffff !important;
    padding: 8px 24px;
    border-radius: 40px;
    font-weight: 600;
    font-size: 0.9rem;
    transition: transform 0.15s, box-shadow 0.2s;
    box-shadow: 0 4px 16px rgba(37, 99, 235, 0.25);
}
.nav-download-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(37, 99, 235, 0.35);
    color: #ffffff !important;
}
.nav-download-btn::after {
    display: none;
}

/* ===== 4. 按钮 & 通用组件 ===== */
.btn-primary {
    background: linear-gradient(135deg, #3b82f6, #1d4ed8);
    color: #ffffff;
    padding: 14px 38px;
    border-radius: 40px;
    font-weight: 600;
    font-size: 1rem;
    transition: transform 0.15s, box-shadow 0.2s;
    box-shadow: 0 6px 24px rgba(37, 99, 235, 0.25);
    display: inline-flex;
    align-items: center;
    gap: 6px;
}
.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 32px rgba(37, 99, 235, 0.35);
}
.btn-secondary {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(4px);
    color: #0b1b33;
    padding: 14px 38px;
    border-radius: 40px;
    font-weight: 600;
    font-size: 1rem;
    border: 1px solid rgba(37, 99, 235, 0.10);
    transition: background 0.2s, transform 0.15s;
}
.btn-secondary:hover {
    background: #ffffff;
    transform: translateY(-3px);
}
.btn-outline {
    background: transparent;
    border: 1px solid rgba(37, 99, 235, 0.15);
    color: #2563eb;
    padding: 10px 0;
    border-radius: 40px;
    font-weight: 600;
    transition: background 0.2s, color 0.2s, border-color 0.2s;
}
.btn-outline:hover {
    background: rgba(37, 99, 235, 0.04);
    border-color: #2563eb;
}

/* ============================================================
   5. 首页专属组件
   ============================================================ */

/* 英雄区 */
.hero {
    padding: 64px 0 80px;
    background: linear-gradient(160deg, #f0f7ff 0%, #e0ecfe 100%);
    position: relative;
    overflow: hidden;
}
.hero::after {
    content: '';
    position: absolute;
    top: -30%;
    right: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(37, 99, 235, 0.04), transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}
.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
    position: relative;
    z-index: 2;
}
.hero-image {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}
.hero-image .img-placeholder {
    width: 100%;
    aspect-ratio: 4 / 3;
    border-radius: 28px;
    border: 1px solid rgba(37, 99, 235, 0.10);
    overflow: hidden;
    box-shadow: 0 20px 60px -12px rgba(37, 99, 235, 0.10);
    background: #ffffff;
}
.hero-image .img-placeholder img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.4s ease;
}
.hero-image .img-placeholder img:hover {
    transform: scale(1.02);
}
.status-badge {
    position: absolute;
    bottom: 20px;
    right: 20px;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(8px);
    padding: 10px 18px;
    border-radius: 40px;
    font-size: 0.8rem;
    font-weight: 600;
    color: #2563eb;
    border: 1px solid rgba(37, 99, 235, 0.10);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
    display: flex;
    align-items: center;
    gap: 8px;
    z-index: 5;
}
.status-badge .dot {
    width: 8px;
    height: 8px;
    background: #22c55e;
    border-radius: 50%;
    display: inline-block;
    animation: pulse-dot 2s infinite;
}
@keyframes pulse-dot {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(0.85); }
}
.hero-text .brand-tag {
    display: inline-block;
    background: rgba(37, 99, 235, 0.08);
    color: #2563eb;
    font-weight: 600;
    font-size: 0.8rem;
    padding: 4px 16px;
    border-radius: 40px;
    letter-spacing: 0.3px;
    margin-bottom: 16px;
    border: 1px solid rgba(37, 99, 235, 0.08);
}
.hero-text h1 {
    font-size: 3.2rem;
    font-weight: 700;
    letter-spacing: -0.03em;
    line-height: 1.1;
    margin-bottom: 16px;
    color: #0b1b33;
}
.hero-text h1 .highlight {
    background: linear-gradient(135deg, #3b82f6, #1d4ed8);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.hero-text p {
    font-size: 1.1rem;
    color: #475569;
    max-width: 480px;
    margin-bottom: 24px;
}
.platform-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 28px;
}
.platform-tags span {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(4px);
    padding: 4px 14px;
    border-radius: 40px;
    font-size: 0.8rem;
    font-weight: 500;
    color: #1e293b;
    border: 1px solid rgba(37, 99, 235, 0.06);
}
.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
}

/* 信任标识 */
.trust-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}
.trust-item {
    background: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(4px);
    border-radius: 24px;
    padding: 32px 24px;
    text-align: center;
    border: 1px solid rgba(37, 99, 235, 0.06);
    transition: transform 0.25s, border-color 0.25s, box-shadow 0.25s;
}
.trust-item:hover {
    transform: translateY(-4px);
    border-color: rgba(37, 99, 235, 0.15);
    box-shadow: 0 12px 40px -8px rgba(37, 99, 235, 0.06);
}
.trust-item .trust-icon {
    font-size: 2.8rem;
    margin-bottom: 8px;
    display: block;
}
.trust-item h4 {
    font-weight: 600;
    font-size: 1.1rem;
    margin-bottom: 4px;
    color: #0b1b33;
}
.trust-item p {
    font-size: 0.9rem;
    color: #475569;
    margin: 0;
}

/* 核心优势 */
.advantages-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}
.advantage-card {
    background: #ffffff;
    border-radius: 24px;
    padding: 32px 28px;
    border: 1px solid rgba(37, 99, 235, 0.06);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.02);
    transition: transform 0.25s, border-color 0.25s, box-shadow 0.25s;
}
.advantage-card:hover {
    transform: translateY(-6px);
    border-color: rgba(37, 99, 235, 0.10);
    box-shadow: 0 16px 48px -12px rgba(37, 99, 235, 0.08);
}
.advantage-card .icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.08), rgba(59, 130, 246, 0.04));
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    margin-bottom: 16px;
}
.advantage-card h3 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 6px;
    color: #0b1b33;
}
.advantage-card p {
    color: #475569;
    font-size: 0.95rem;
}

/* 技术参数 */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}
.stat-item {
    text-align: center;
    padding: 24px 12px;
    background: rgba(255, 255, 255, 0.5);
    backdrop-filter: blur(4px);
    border-radius: 24px;
    border: 1px solid rgba(37, 99, 235, 0.06);
}
.stat-item .number {
    font-size: 2.8rem;
    font-weight: 700;
    background: linear-gradient(135deg, #3b82f6, #1d4ed8);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.02em;
}
.stat-item .label {
    color: #475569;
    font-weight: 500;
    font-size: 0.95rem;
}

/* 产品方案 (定价) */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    align-items: stretch;
}
.pricing-card {
    background: #ffffff;
    border-radius: 28px;
    padding: 32px 24px 28px;
    border: 1px solid rgba(37, 99, 235, 0.06);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.02);
    transition: transform 0.25s, border-color 0.25s, box-shadow 0.25s;
    text-align: center;
    display: flex;
    flex-direction: column;
}
.pricing-card:hover {
    transform: translateY(-6px);
    border-color: rgba(37, 99, 235, 0.10);
    box-shadow: 0 16px 48px -12px rgba(37, 99, 235, 0.08);
}
.pricing-card.featured {
    border: 1px solid rgba(37, 99, 235, 0.2);
    background: #f8fcff;
    position: relative;
}
.pricing-card.featured .recommend-tag {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, #3b82f6, #1d4ed8);
    color: #ffffff;
    font-size: 0.75rem;
    font-weight: 600;
    padding: 4px 20px;
    border-radius: 40px;
    letter-spacing: 0.3px;
}
.pricing-card .plan-name {
    font-weight: 600;
    font-size: 1.2rem;
    margin-bottom: 4px;
    color: #0b1b33;
}
.pricing-card .price {
    font-size: 2.4rem;
    font-weight: 700;
    color: #0b1b33;
    margin: 8px 0 4px;
}
.pricing-card .price small {
    font-size: 1rem;
    font-weight: 400;
    color: #64748b;
}
.pricing-card .desc {
    color: #64748b;
    font-size: 0.9rem;
    margin-bottom: 20px;
}
.pricing-card .features {
    text-align: left;
    margin: 12px 0 24px;
    flex: 1;
}
.pricing-card .features li {
    padding: 6px 0;
    font-size: 0.9rem;
    color: #1e293b;
    display: flex;
    align-items: center;
    gap: 8px;
}
.pricing-card .features li::before {
    content: '✓';
    color: #2563eb;
    font-weight: 700;
}
.pricing-card.featured .btn-outline {
    background: linear-gradient(135deg, #3b82f6, #1d4ed8);
    color: #ffffff;
    border-color: transparent;
}
.pricing-card.featured .btn-outline:hover {
    box-shadow: 0 8px 24px rgba(37, 99, 235, 0.25);
    transform: translateY(-2px);
}

/* 首页下载入口 (简单版) */
.download-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}
.download-card {
    background: #ffffff;
    border-radius: 24px;
    padding: 28px 16px;
    text-align: center;
    border: 1px solid rgba(37, 99, 235, 0.06);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.02);
    transition: transform 0.25s, border-color 0.25s, box-shadow 0.25s;
    display: flex;
    flex-direction: column;
    align-items: center;
}
.download-card:hover {
    transform: translateY(-6px);
    border-color: rgba(37, 99, 235, 0.10);
    box-shadow: 0 16px 40px -12px rgba(37, 99, 235, 0.08);
}
.download-card .platform-icon {
    font-size: 2.4rem;
    margin-bottom: 8px;
    display: block;
}
.download-card h4 {
    font-weight: 600;
    font-size: 1rem;
    color: #0b1b33;
}
.download-card .dl-link {
    display: inline-block;
    margin-top: 10px;
    color: #2563eb;
    font-weight: 500;
    font-size: 0.9rem;
    transition: color 0.2s;
}
.download-card .dl-link:hover {
    color: #1d4ed8;
}

/* 使用场景 (首页) */
.scenes-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}
.scene-card {
    background: #ffffff;
    border-radius: 24px;
    padding: 28px 20px;
    border: 1px solid rgba(37, 99, 235, 0.05);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.02);
    transition: transform 0.25s, border-color 0.25s, box-shadow 0.25s;
    text-align: center;
}
.scene-card:hover {
    transform: translateY(-6px);
    border-color: rgba(37, 99, 235, 0.10);
    box-shadow: 0 16px 40px -12px rgba(37, 99, 235, 0.08);
}
.scene-card .emoji {
    font-size: 2.2rem;
    margin-bottom: 10px;
    display: block;
}
.scene-card h4 {
    font-weight: 600;
    font-size: 1rem;
    color: #0b1b33;
}
.scene-card p {
    color: #475569;
    font-size: 0.9rem;
    margin-top: 4px;
}

/* 技术流程 */
.steps {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 16px;
    position: relative;
}
.steps::before {
    content: '';
    position: absolute;
    top: 32px;
    left: 10%;
    right: 10%;
    height: 2px;
    background: linear-gradient(90deg, #3b82f6, #1d4ed8, #3b82f6);
    opacity: 0.15;
    z-index: 0;
}
.step-item {
    text-align: center;
    position: relative;
    z-index: 1;
}
.step-item .step-num {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, #3b82f6, #1d4ed8);
    color: #ffffff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1rem;
    margin: 0 auto 12px;
    box-shadow: 0 6px 16px rgba(37, 99, 235, 0.2);
}
.step-item h4 {
    font-weight: 600;
    font-size: 0.95rem;
    color: #0b1b33;
}
.step-item p {
    color: #475569;
    font-size: 0.8rem;
    max-width: 120px;
    margin: 4px auto 0;
}

/* 新闻资讯 (首页) */
.news-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}
.news-card {
    background: #ffffff;
    border-radius: 24px;
    padding: 24px 22px 28px;
    border: 1px solid rgba(37, 99, 235, 0.06);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.02);
    transition: transform 0.25s, border-color 0.25s, box-shadow 0.25s;
    display: flex;
    flex-direction: column;
}
.news-card:hover {
    transform: translateY(-6px);
    border-color: rgba(37, 99, 235, 0.10);
    box-shadow: 0 16px 40px -12px rgba(37, 99, 235, 0.08);
}
.news-card .news-date {
    font-size: 0.75rem;
    font-weight: 500;
    color: #2563eb;
    background: rgba(37, 99, 235, 0.06);
    padding: 2px 12px;
    border-radius: 40px;
    align-self: flex-start;
    margin-bottom: 12px;
}
.news-card h4 {
    font-size: 1.05rem;
    font-weight: 600;
    margin-bottom: 8px;
    color: #0b1b33;
}
.news-card p {
    color: #475569;
    font-size: 0.9rem;
    flex: 1;
}
.news-card .news-link {
    margin-top: 16px;
    font-weight: 500;
    color: #2563eb;
    font-size: 0.9rem;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    transition: gap 0.2s, color 0.2s;
}
.news-card .news-link:hover {
    gap: 8px;
    color: #1d4ed8;
}

/* ============================================================
   6. 新闻列表页专属
   ============================================================ */
.news-hero {
    padding: 48px 0 32px;
    background: linear-gradient(160deg, #f0f7ff 0%, #e0ecfe 100%);
}
.news-hero h1 {
    font-size: 2.8rem;
    font-weight: 700;
    text-align: center;
    color: #0b1b33;
}
.news-hero h1 .highlight {
    background: linear-gradient(135deg, #3b82f6, #1d4ed8);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.news-hero .news-hero-sub {
    text-align: center;
    color: #475569;
    font-size: 1.05rem;
    max-width: 640px;
    margin: 8px auto 0;
    font-weight: 500;
}

/* 搜索框 (新闻) */
.search-box {
    max-width: 580px;
    margin: 28px auto 0;
    position: relative;
}
.search-box input {
    width: 100%;
    padding: 14px 52px 14px 20px;
    border-radius: 48px;
    border: 2px solid rgba(37, 99, 235, 0.12);
    background: #ffffff;
    font-size: 1rem;
    color: #1e293b;
    outline: none;
    transition: border-color 0.3s, box-shadow 0.3s;
    font-family: inherit;
}
.search-box input::placeholder {
    color: #94a3b8;
    font-size: 0.95rem;
}
.search-box input:focus {
    border-color: #2563eb;
    box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.08);
}
.search-box .search-icon {
    position: absolute;
    right: 18px;
    top: 50%;
    transform: translateY(-50%);
    color: #94a3b8;
    font-size: 1.2rem;
    pointer-events: none;
    line-height: 1;
}
.search-box .search-icon svg {
    width: 22px;
    height: 22px;
    fill: none;
    stroke: #94a3b8;
    stroke-width: 2.2;
    stroke-linecap: round;
    stroke-linejoin: round;
}
.search-box .clear-btn {
    position: absolute;
    right: 52px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: #94a3b8;
    font-size: 1rem;
    cursor: pointer;
    display: none;
    padding: 4px 6px;
    transition: color 0.2s;
}
.search-box .clear-btn:hover {
    color: #1e293b;
}
.search-box .clear-btn.visible {
    display: block;
}
.search-stats {
    text-align: center;
    font-size: 0.9rem;
    color: #94a3b8;
    margin-top: 12px;
    min-height: 1.6em;
}
.search-stats strong {
    color: #2563eb;
    font-weight: 600;
}
.no-results {
    text-align: center;
    padding: 60px 20px;
    color: #94a3b8;
}
.no-results .emoji {
    font-size: 3rem;
    display: block;
    margin-bottom: 16px;
}
.no-results h3 {
    font-size: 1.2rem;
    color: #1e293b;
    margin-bottom: 6px;
}
.no-results p {
    font-size: 0.95rem;
}

/* 新闻列表网格 (增强版卡片带图) */
.news-list-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}
.news-list-grid .news-card {
    overflow: hidden;
    padding: 0;
    border-radius: 24px;
}
.news-list-grid .news-card .card-image {
    width: 100%;
    aspect-ratio: 16 / 9;
    overflow: hidden;
    background: #e8f0fe;
    position: relative;
}
.news-list-grid .news-card .card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.4s ease;
}
.news-list-grid .news-card:hover .card-image img {
    transform: scale(1.03);
}
.news-list-grid .news-card .card-body {
    padding: 20px 22px 24px;
    flex: 1;
    display: flex;
    flex-direction: column;
}
.news-list-grid .news-card .card-meta {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
    flex-wrap: wrap;
}
.news-list-grid .news-card .news-date {
    font-size: 0.7rem;
    font-weight: 500;
    color: #94a3b8;
    background: none;
    padding: 0;
}
.news-list-grid .news-card .news-category {
    font-size: 0.65rem;
    font-weight: 600;
    color: #ffffff;
    background: linear-gradient(135deg, #3b82f6, #1d4ed8);
    padding: 2px 12px;
    border-radius: 40px;
    letter-spacing: 0.3px;
}
.news-list-grid .news-card .news-category.green { background: linear-gradient(135deg, #22c55e, #16a34a); }
.news-list-grid .news-card .news-category.orange { background: linear-gradient(135deg, #f59e0b, #d97706); }
.news-list-grid .news-card .news-category.purple { background: linear-gradient(135deg, #8b5cf6, #7c3aed); }
.news-list-grid .news-card .news-category.pink { background: linear-gradient(135deg, #ec4899, #db2777); }
.news-list-grid .news-card .news-category.teal { background: linear-gradient(135deg, #14b8a6, #0d9488); }
.news-list-grid .news-card h3 {
    font-size: 1.05rem;
    font-weight: 600;
    margin-bottom: 8px;
    color: #0b1b33;
    line-height: 1.4;
}
.news-list-grid .news-card h3 a {
    color: #0b1b33;
    transition: color 0.2s;
}
.news-list-grid .news-card h3 a:hover {
    color: #2563eb;
}
.news-list-grid .news-card .card-excerpt {
    color: #475569;
    font-size: 0.9rem;
    flex: 1;
    margin-bottom: 14px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.news-list-grid .news-card.hidden {
    display: none;
}

/* 分页 */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    margin-top: 48px;
    flex-wrap: wrap;
}
.pagination a,
.pagination span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    padding: 0 14px;
    border-radius: 40px;
    font-size: 0.9rem;
    font-weight: 500;
    color: #1e293b;
    background: #ffffff;
    border: 1px solid rgba(37, 99, 235, 0.06);
    transition: all 0.2s;
}
.pagination a:hover {
    background: rgba(37, 99, 235, 0.04);
    border-color: rgba(37, 99, 235, 0.15);
    color: #2563eb;
}
.pagination .active {
    background: linear-gradient(135deg, #3b82f6, #1d4ed8);
    color: #ffffff;
    border-color: transparent;
}
.pagination .prev-next {
    color: #2563eb;
    font-weight: 500;
}
.pagination .disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

/* ============================================================
   7. 产品详情页专属
   ============================================================ */
.product-hero {
    padding: 56px 0 48px;
    background: linear-gradient(160deg, #f0f7ff 0%, #e0ecfe 100%);
}
.product-hero h1 {
    font-size: 2.8rem;
    font-weight: 700;
    text-align: center;
    color: #0b1b33;
}
.product-hero h1 .highlight {
    background: linear-gradient(135deg, #3b82f6, #1d4ed8);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.product-hero .product-hero-sub {
    text-align: center;
    color: #475569;
    font-size: 1.05rem;
    max-width: 640px;
    margin: 8px auto 0;
    font-weight: 500;
}
.product-tags {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px 20px;
    margin-top: 24px;
}
.product-tags .tag-item {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.85rem;
    color: #2563eb;
    background: rgba(255, 255, 255, 0.6);
    padding: 6px 18px;
    border-radius: 40px;
    border: 1px solid rgba(37, 99, 235, 0.06);
    backdrop-filter: blur(4px);
}
.product-tags .tag-item .icon {
    font-size: 1rem;
}

.overview-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
}
.overview-text p {
    font-size: 1.05rem;
    color: #475569;
    margin-bottom: 16px;
}
.overview-text p:last-child {
    margin-bottom: 0;
}
.overview-text .highlight-text {
    color: #0b1b33;
    font-weight: 600;
}
.overview-image {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}
.overview-image .img-placeholder {
    width: 100%;
    aspect-ratio: 4 / 3;
    border-radius: 28px;
    border: 1px solid rgba(37, 99, 235, 0.10);
    overflow: hidden;
    box-shadow: 0 20px 60px -12px rgba(37, 99, 235, 0.10);
    background: #ffffff;
}
.overview-image .img-placeholder img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.4s ease;
}
.overview-image .img-placeholder img:hover {
    transform: scale(1.02);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}
.feature-card {
    background: #ffffff;
    border-radius: 24px;
    border: 1px solid rgba(37, 99, 235, 0.06);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.02);
    padding: 32px 28px 28px;
    text-align: center;
    transition: transform 0.25s, border-color 0.25s, box-shadow 0.25s;
}
.feature-card:hover {
    transform: translateY(-6px);
    border-color: rgba(37, 99, 235, 0.10);
    box-shadow: 0 16px 40px -12px rgba(37, 99, 235, 0.08);
}
.feature-card .feature-icon {
    font-size: 2.6rem;
    display: block;
    margin-bottom: 12px;
}
.feature-card h3 {
    font-size: 1.1rem;
    font-weight: 600;
    color: #0b1b33;
    margin-bottom: 6px;
}
.feature-card p {
    font-size: 0.9rem;
    color: #475569;
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 28px;
}
.tech-card {
    background: rgba(255, 255, 255, 0.4);
    backdrop-filter: blur(4px);
    border-radius: 24px;
    border: 1px solid rgba(37, 99, 235, 0.06);
    padding: 28px 28px 24px;
    display: flex;
    gap: 18px;
    align-items: flex-start;
    transition: transform 0.25s, box-shadow 0.25s;
}
.tech-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 32px -8px rgba(37, 99, 235, 0.06);
}
.tech-card .tech-num {
    flex-shrink: 0;
    width: 44px;
    height: 44px;
    background: linear-gradient(135deg, #3b82f6, #1d4ed8);
    color: #ffffff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.1rem;
}
.tech-card .tech-content h3 {
    font-size: 1.05rem;
    font-weight: 600;
    color: #0b1b33;
    margin-bottom: 4px;
}
.tech-card .tech-content p {
    font-size: 0.9rem;
    color: #475569;
}

.cert-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}
.cert-item {
    background: rgba(255, 255, 255, 0.5);
    backdrop-filter: blur(4px);
    border-radius: 20px;
    border: 1px solid rgba(37, 99, 235, 0.06);
    padding: 24px 16px;
    text-align: center;
    transition: transform 0.25s, box-shadow 0.25s;
}
.cert-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 32px -8px rgba(37, 99, 235, 0.06);
}
.cert-item .cert-icon {
    font-size: 2.4rem;
    display: block;
    margin-bottom: 8px;
}
.cert-item h4 {
    font-size: 0.95rem;
    font-weight: 600;
    color: #0b1b33;
    margin-bottom: 4px;
}
.cert-item p {
    font-size: 0.8rem;
    color: #64748b;
}

.compare-wrap {
    overflow-x: auto;
    border-radius: 16px;
    border: 1px solid rgba(37, 99, 235, 0.06);
    background: #ffffff;
}
.compare-wrap table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
    min-width: 520px;
}
.compare-wrap table thead {
    background: linear-gradient(135deg, #f0f7ff, #e0ecfe);
}
.compare-wrap table th {
    padding: 14px 18px;
    text-align: center;
    font-weight: 600;
    color: #0b1b33;
    border-bottom: 2px solid rgba(37, 99, 235, 0.08);
}
.compare-wrap table th:first-child {
    text-align: left;
}
.compare-wrap table td {
    padding: 12px 18px;
    text-align: center;
    border-bottom: 1px solid rgba(37, 99, 235, 0.04);
    color: #334155;
}
.compare-wrap table td:first-child {
    text-align: left;
    font-weight: 500;
    color: #0b1b33;
}
.compare-wrap table tbody tr:hover {
    background: rgba(37, 99, 235, 0.02);
}
.compare-wrap table tbody tr:last-child td {
    border-bottom: none;
}
.compare-wrap table .check {
    color: #22c55e;
    font-weight: 700;
}
.compare-wrap table .premium {
    color: #2563eb;
    font-weight: 600;
}

.scene-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}
.scene-grid .scene-card {
    background: #ffffff;
    border-radius: 20px;
    border: 1px solid rgba(37, 99, 235, 0.05);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.02);
    padding: 28px 20px 24px;
    text-align: center;
    transition: transform 0.25s, border-color 0.25s, box-shadow 0.25s;
}
.scene-grid .scene-card:hover {
    transform: translateY(-6px);
    border-color: rgba(37, 99, 235, 0.10);
    box-shadow: 0 16px 40px -12px rgba(37, 99, 235, 0.08);
}
.scene-grid .scene-card .scene-emoji {
    font-size: 2.2rem;
    margin-bottom: 10px;
    display: block;
}
.scene-grid .scene-card h4 {
    font-size: 1rem;
    font-weight: 600;
    color: #0b1b33;
    margin-bottom: 4px;
}
.scene-grid .scene-card p {
    font-size: 0.85rem;
    color: #64748b;
}

.cta-section {
    text-align: center;
    padding: 64px 0;
    background: linear-gradient(160deg, #f0f7ff 0%, #e0ecfe 100%);
}
.cta-section h2 {
    font-size: 2rem;
    font-weight: 700;
    color: #0b1b33;
    margin-bottom: 12px;
}
.cta-section p {
    font-size: 1.05rem;
    color: #475569;
    max-width: 560px;
    margin: 0 auto 24px;
}
.cta-section .cta-buttons {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 14px;
}

/* ============================================================
   8. 下载页专属
   ============================================================ */
.download-hero {
    padding: 48px 0 32px;
    background: linear-gradient(160deg, #f0f7ff 0%, #e0ecfe 100%);
}
.download-hero h1 {
    font-size: 2.8rem;
    font-weight: 700;
    text-align: center;
    color: #0b1b33;
}
.download-hero h1 .highlight {
    background: linear-gradient(135deg, #3b82f6, #1d4ed8);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.download-hero .download-hero-sub {
    text-align: center;
    color: #475569;
    font-size: 1.05rem;
    max-width: 640px;
    margin: 8px auto 0;
    font-weight: 500;
}

.download-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    max-width: 900px;
    margin: 28px auto 0;
}
.download-stats .stat-item {
    text-align: center;
    padding: 16px 12px;
    background: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(4px);
    border-radius: 20px;
    border: 1px solid rgba(37, 99, 235, 0.06);
}
.download-stats .stat-item .number {
    font-size: 2rem;
    font-weight: 700;
    background: linear-gradient(135deg, #3b82f6, #1d4ed8);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.download-stats .stat-item .label {
    font-size: 0.8rem;
    color: #64748b;
    margin-top: 2px;
}

/* 下载卡片 (丰富版) */
.download-grid .download-card {
    padding: 24px 18px 22px;
}
.download-grid .download-card .platform-name {
    font-size: 1.1rem;
    font-weight: 600;
    color: #0b1b33;
    margin-bottom: 2px;
}
.download-grid .download-card .feature-tags {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 4px;
    margin-bottom: 8px;
}
.download-grid .download-card .feature-tags span {
    font-size: 0.55rem;
    font-weight: 600;
    color: #2563eb;
    background: rgba(37, 99, 235, 0.06);
    padding: 1px 8px;
    border-radius: 40px;
    letter-spacing: 0.2px;
}
.download-grid .download-card .feature-tags span.green {
    color: #16a34a;
    background: rgba(22, 163, 74, 0.08);
}
.download-grid .download-card .feature-tags span.orange {
    color: #d97706;
    background: rgba(217, 119, 6, 0.08);
}
.download-grid .download-card .platform-version {
    font-size: 0.75rem;
    color: #94a3b8;
    margin-bottom: 2px;
}
.download-grid .download-card .platform-size {
    font-size: 0.7rem;
    color: #94a3b8;
    margin-bottom: 2px;
}
.download-grid .download-card .update-date {
    font-size: 0.65rem;
    color: #94a3b8;
    margin-bottom: 8px;
}
.download-grid .download-card .card-stats {
    display: flex;
    justify-content: center;
    gap: 14px;
    font-size: 0.7rem;
    color: #94a3b8;
    margin-bottom: 10px;
    border-top: 1px solid rgba(37, 99, 235, 0.04);
    padding-top: 8px;
    width: 100%;
}
.download-grid .download-card .card-stats span {
    display: flex;
    align-items: center;
    gap: 3px;
}
.download-grid .download-card .card-stats .star {
    color: #f59e0b;
}
.download-grid .download-card .system-requirements {
    font-size: 0.72rem;
    color: #64748b;
    margin-bottom: 14px;
    line-height: 1.5;
    flex: 1;
}
.download-grid .download-card .download-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 10px 24px;
    border-radius: 40px;
    font-weight: 600;
    font-size: 0.85rem;
    color: #ffffff;
    background: linear-gradient(135deg, #3b82f6, #1d4ed8);
    box-shadow: 0 4px 16px rgba(37, 99, 235, 0.20);
    transition: transform 0.15s, box-shadow 0.2s;
    border: none;
    cursor: pointer;
    font-family: inherit;
}
.download-grid .download-card .download-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(37, 99, 235, 0.30);
}
.download-grid .download-card .download-btn .icon-download {
    font-size: 1rem;
}

.security-notice {
    margin-top: 40px;
    padding: 24px 32px;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.03), rgba(59, 130, 246, 0.01));
    border-radius: 20px;
    border: 1px solid rgba(37, 99, 235, 0.06);
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 20px 40px;
}
.security-notice .sec-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    color: #475569;
}
.security-notice .sec-item .sec-icon {
    font-size: 1.2rem;
}
.security-notice .sec-item strong {
    color: #0b1b33;
}

.changelog-section {
    margin-top: 56px;
    padding-top: 40px;
    border-top: 1px solid rgba(37, 99, 235, 0.06);
}
.changelog-section .changelog-title {
    font-size: 1.4rem;
    font-weight: 700;
    color: #0b1b33;
    text-align: center;
    margin-bottom: 24px;
}
.changelog-section .changelog-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background: linear-gradient(135deg, #3b82f6, #1d4ed8);
    margin: 6px auto 0;
    border-radius: 4px;
}
.changelog-list {
    max-width: 820px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.changelog-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 12px 20px;
    background: rgba(255, 255, 255, 0.4);
    border-radius: 16px;
    border: 1px solid rgba(37, 99, 235, 0.04);
    transition: background 0.2s;
}
.changelog-item:hover {
    background: rgba(255, 255, 255, 0.8);
}
.changelog-item .version-tag {
    flex-shrink: 0;
    font-size: 0.7rem;
    font-weight: 600;
    color: #ffffff;
    background: linear-gradient(135deg, #3b82f6, #1d4ed8);
    padding: 2px 12px;
    border-radius: 40px;
    margin-top: 2px;
}
.changelog-item .version-tag.latest {
    background: linear-gradient(135deg, #22c55e, #16a34a);
}
.changelog-item .change-content {
    font-size: 0.9rem;
    color: #334155;
}
.changelog-item .change-content .date {
    font-size: 0.75rem;
    color: #94a3b8;
    margin-left: 10px;
}
.changelog-item .change-content ul {
    margin-top: 4px;
    padding-left: 18px;
    list-style: disc;
}
.changelog-item .change-content ul li {
    font-size: 0.85rem;
    color: #475569;
    margin-bottom: 2px;
}

.compare-section {
    margin-top: 48px;
}
.compare-section .compare-title {
    font-size: 1.4rem;
    font-weight: 700;
    color: #0b1b33;
    text-align: center;
    margin-bottom: 20px;
}
.compare-section .compare-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background: linear-gradient(135deg, #3b82f6, #1d4ed8);
    margin: 6px auto 0;
    border-radius: 4px;
}
.compare-table-wrap {
    overflow-x: auto;
    border-radius: 16px;
    border: 1px solid rgba(37, 99, 235, 0.06);
    background: #ffffff;
}
.compare-table-wrap table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
    min-width: 500px;
}
.compare-table-wrap table thead {
    background: linear-gradient(135deg, #f0f7ff, #e0ecfe);
}
.compare-table-wrap table th {
    padding: 14px 18px;
    text-align: center;
    font-weight: 600;
    color: #0b1b33;
    border-bottom: 2px solid rgba(37, 99, 235, 0.08);
}
.compare-table-wrap table th:first-child {
    text-align: left;
}
.compare-table-wrap table td {
    padding: 12px 18px;
    text-align: center;
    border-bottom: 1px solid rgba(37, 99, 235, 0.04);
    color: #334155;
}
.compare-table-wrap table td:first-child {
    text-align: left;
    font-weight: 500;
    color: #0b1b33;
}
.compare-table-wrap table tbody tr:hover {
    background: rgba(37, 99, 235, 0.02);
}
.compare-table-wrap table tbody tr:last-child td {
    border-bottom: none;
}
.compare-table-wrap table .check {
    color: #22c55e;
    font-weight: 700;
}

.download-guide {
    margin-top: 56px;
    text-align: center;
}
.download-guide .guide-title {
    font-size: 1.4rem;
    font-weight: 700;
    color: #0b1b33;
    margin-bottom: 24px;
    display: inline-block;
}
.download-guide .guide-title::after {
    content: '';
    display: block;
    width: 40%;
    height: 3px;
    background: linear-gradient(135deg, #3b82f6, #1d4ed8);
    margin: 6px auto 0;
    border-radius: 4px;
}
.download-guide .guide-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    text-align: left;
}
.download-guide .guide-card {
    background: #ffffff;
    border-radius: 20px;
    border: 1px solid rgba(37, 99, 235, 0.06);
    padding: 20px 22px 24px;
    transition: transform 0.25s, box-shadow 0.25s;
}
.download-guide .guide-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 32px -8px rgba(37, 99, 235, 0.08);
}
.download-guide .guide-card .guide-icon {
    font-size: 1.6rem;
    margin-bottom: 6px;
    display: block;
}
.download-guide .guide-card h4 {
    font-size: 0.95rem;
    font-weight: 600;
    color: #0b1b33;
    margin-bottom: 4px;
}
.download-guide .guide-card h4 a {
    color: #0b1b33;
    transition: color 0.2s;
}
.download-guide .guide-card h4 a:hover {
    color: #2563eb;
}
.download-guide .guide-card p {
    font-size: 0.85rem;
    color: #64748b;
}

/* ============================================================
   9. FAQ 页专属
   ============================================================ */
.faq-hero {
    padding: 48px 0 32px;
    background: linear-gradient(160deg, #f0f7ff 0%, #e0ecfe 100%);
}
.faq-hero h1 {
    font-size: 2.8rem;
    font-weight: 700;
    text-align: center;
    color: #0b1b33;
}
.faq-hero h1 .highlight {
    background: linear-gradient(135deg, #3b82f6, #1d4ed8);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.faq-hero .faq-hero-sub {
    text-align: center;
    color: #475569;
    font-size: 1.05rem;
    max-width: 640px;
    margin: 8px auto 0;
    font-weight: 500;
}

.faq-hero .search-box-faq {
    position: relative;
    max-width: 560px;
    margin: 24px auto 0;
}
.faq-hero .search-box-faq input {
    width: 100%;
    padding: 14px 56px 14px 22px;
    border-radius: 48px;
    border: 2px solid rgba(37, 99, 235, 0.12);
    background: #ffffff;
    font-size: 1rem;
    color: #1e293b;
    outline: none;
    transition: border-color 0.3s, box-shadow 0.3s;
    font-family: inherit;
    box-shadow: 0 4px 16px rgba(37, 99, 235, 0.04);
}
.faq-hero .search-box-faq input::placeholder {
    color: #94a3b8;
}
.faq-hero .search-box-faq input:focus {
    border-color: #2563eb;
    box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.06), 0 4px 16px rgba(37, 99, 235, 0.06);
}
.faq-hero .search-box-faq .search-icon {
    position: absolute;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    color: #94a3b8;
    pointer-events: none;
}
.faq-hero .search-box-faq .search-icon svg {
    width: 22px;
    height: 22px;
    fill: none;
    stroke: #94a3b8;
    stroke-width: 2.2;
    stroke-linecap: round;
    stroke-linejoin: round;
}
.faq-hero .search-box-faq .clear-btn-faq {
    position: absolute;
    right: 52px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: #94a3b8;
    font-size: 1rem;
    cursor: pointer;
    display: none;
    padding: 4px 6px;
    transition: color 0.2s;
}
.faq-hero .search-box-faq .clear-btn-faq:hover {
    color: #1e293b;
}
.faq-hero .search-box-faq .clear-btn-faq.visible {
    display: block;
}

.faq-toolbar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 16px;
    margin-bottom: 28px;
}
.faq-toolbar .filter-group {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    justify-content: center;
}
.faq-toolbar .filter-btn {
    padding: 6px 18px;
    border-radius: 40px;
    font-size: 0.8rem;
    font-weight: 500;
    color: #1e293b;
    background: rgba(255, 255, 255, 0.6);
    border: 1px solid rgba(37, 99, 235, 0.08);
    cursor: pointer;
    transition: all 0.25s;
    backdrop-filter: blur(4px);
    font-family: inherit;
}
.faq-toolbar .filter-btn:hover {
    background: rgba(37, 99, 235, 0.04);
    border-color: rgba(37, 99, 235, 0.15);
}
.faq-toolbar .filter-btn.active {
    background: linear-gradient(135deg, #3b82f6, #1d4ed8);
    color: #ffffff;
    border-color: transparent;
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.15);
}

.faq-stats {
    text-align: center;
    font-size: 0.9rem;
    color: #94a3b8;
    margin-bottom: 16px;
    min-height: 1.6em;
}
.faq-stats strong {
    color: #2563eb;
    font-weight: 600;
}

.no-results-faq {
    text-align: center;
    padding: 48px 20px;
    color: #94a3b8;
    display: none;
}
.no-results-faq .emoji {
    font-size: 2.8rem;
    display: block;
    margin-bottom: 12px;
}
.no-results-faq h3 {
    font-size: 1.1rem;
    color: #1e293b;
    margin-bottom: 4px;
}
.no-results-faq p {
    font-size: 0.9rem;
}

/* FAQ 列表 (手风琴) */
.faq-list {
    max-width: 860px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.faq-item {
    background: #ffffff;
    border-radius: 20px;
    border: 1px solid rgba(37, 99, 235, 0.06);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.02);
    overflow: hidden;
    transition: border-color 0.2s, box-shadow 0.2s;
}
.faq-item:hover {
    border-color: rgba(37, 99, 235, 0.10);
    box-shadow: 0 8px 24px rgba(37, 99, 235, 0.04);
}
.faq-item.hidden {
    display: none;
}
.faq-item .faq-question {
    padding: 18px 24px;
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    user-select: none;
    color: #0b1b33;
    transition: color 0.2s;
    gap: 16px;
    margin: 0;
    font-family: inherit;
}
.faq-item .faq-question:hover {
    color: #2563eb;
}
.faq-item .faq-question .arrow {
    font-size: 1.1rem;
    transition: transform 0.3s;
    color: #94a3b8;
    flex-shrink: 0;
}
.faq-item.active .faq-question .arrow {
    transform: rotate(180deg);
}
.faq-item .faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, padding 0.3s ease;
    padding: 0 24px;
    color: #475569;
    font-size: 0.95rem;
}
.faq-item.active .faq-answer {
    max-height: 400px;
    padding: 0 24px 24px;
}
.faq-item .faq-answer a {
    color: #2563eb;
    text-decoration: underline;
    text-underline-offset: 2px;
}
.faq-item .faq-answer a:hover {
    color: #1d4ed8;
}
.faq-item .faq-tag {
    display: inline-block;
    font-size: 0.6rem;
    font-weight: 600;
    color: #2563eb;
    background: rgba(37, 99, 235, 0.06);
    padding: 1px 10px;
    border-radius: 40px;
    margin-left: 8px;
    vertical-align: middle;
    letter-spacing: 0.2px;
}

.related-faq-articles {
    margin-top: 56px;
    text-align: center;
}
.related-faq-articles .related-title {
    font-size: 1.4rem;
    font-weight: 700;
    color: #0b1b33;
    margin-bottom: 24px;
    display: inline-block;
}
.related-faq-articles .related-title::after {
    content: '';
    display: block;
    width: 40%;
    height: 3px;
    background: linear-gradient(135deg, #3b82f6, #1d4ed8);
    margin: 6px auto 0;
    border-radius: 4px;
}
.related-faq-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    text-align: left;
}
.related-faq-card {
    background: #ffffff;
    border-radius: 20px;
    border: 1px solid rgba(37, 99, 235, 0.06);
    padding: 20px 22px 24px;
    transition: transform 0.25s, box-shadow 0.25s;
}
.related-faq-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 32px -8px rgba(37, 99, 235, 0.08);
}
.related-faq-card .related-icon {
    font-size: 1.6rem;
    margin-bottom: 6px;
    display: block;
}
.related-faq-card h4 {
    font-size: 0.95rem;
    font-weight: 600;
    color: #0b1b33;
    margin-bottom: 4px;
}
.related-faq-card h4 a {
    color: #0b1b33;
    transition: color 0.2s;
}
.related-faq-card h4 a:hover {
    color: #2563eb;
}
.related-faq-card p {
    font-size: 0.85rem;
    color: #64748b;
}

/* ============================================================
   10. 文章详情页专属 (原“新闻详情”样式)
   ============================================================ */
.breadcrumb {
    padding: 20px 0 0;
    font-size: 0.85rem;
    color: #94a3b8;
}
.breadcrumb a {
    color: #2563eb;
    transition: color 0.2s;
}
.breadcrumb a:hover {
    color: #1d4ed8;
    text-decoration: underline;
}
.breadcrumb .separator {
    margin: 0 6px;
    color: #cbd5e1;
}
.breadcrumb .current {
    color: #1e293b;
    font-weight: 500;
}

.article-header {
    padding: 32px 0 24px;
    background: linear-gradient(160deg, #f0f7ff 0%, #e0ecfe 100%);
}
.article-header .article-category {
    display: inline-block;
    font-size: 0.7rem;
    font-weight: 600;
    color: #ffffff;
    background: linear-gradient(135deg, #3b82f6, #1d4ed8);
    padding: 2px 14px;
    border-radius: 40px;
    letter-spacing: 0.3px;
    margin-bottom: 12px;
}
.article-header h1 {
    font-size: 2.6rem;
    font-weight: 700;
    color: #0b1b33;
    line-height: 1.2;
    margin-bottom: 12px;
}
.article-header .article-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 18px;
    color: #94a3b8;
    font-size: 0.9rem;
}

.article-content {
    max-width: 860px;
    margin: 0 auto;
}
.article-content .featured-image {
    width: 100%;
    border-radius: 20px;
    overflow: hidden;
    margin: 24px 0 32px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.06);
}
.article-content .featured-image img {
    width: 100%;
    height: auto;
    display: block;
}
.article-content .featured-image figcaption {
    padding: 12px 20px;
    font-size: 0.85rem;
    color: #94a3b8;
    background: #f8fafc;
    border-top: 1px solid rgba(37, 99, 235, 0.04);
}

.article-body {
    font-size: 1.05rem;
    color: #1e293b;
    line-height: 1.85;
}
.article-body p {
    margin-bottom: 20px;
}
.article-body h2 {
    font-size: 1.7rem;
    font-weight: 700;
    color: #0b1b33;
    margin: 44px 0 16px;
    padding-bottom: 10px;
    border-bottom: 2px solid rgba(37, 99, 235, 0.08);
}
.article-body h3 {
    font-size: 1.3rem;
    font-weight: 600;
    color: #0b1b33;
    margin: 28px 0 12px;
}
.article-body h4 {
    font-size: 1.1rem;
    font-weight: 600;
    color: #1e293b;
    margin: 20px 0 8px;
    padding-left: 12px;
    border-left: 3px solid #2563eb;
}
.article-body h5 {
    font-size: 1rem;
    font-weight: 600;
    color: #334155;
    margin: 16px 0 6px;
}
.article-body ul,
.article-body ol {
    margin: 16px 0 20px 28px;
}
.article-body ul li {
    margin-bottom: 8px;
    color: #334155;
    position: relative;
    padding-left: 6px;
}
.article-body ul li::before {
    content: '•';
    color: #2563eb;
    font-weight: 700;
    font-size: 1.2rem;
    margin-right: 10px;
}
.article-body ol {
    counter-reset: item;
    padding-left: 0;
}
.article-body ol li {
    counter-increment: item;
    margin-bottom: 8px;
    color: #334155;
    padding-left: 6px;
    display: flex;
    align-items: flex-start;
}
.article-body ol li::before {
    content: counter(item) ".";
    color: #2563eb;
    font-weight: 700;
    margin-right: 12px;
    min-width: 24px;
    flex-shrink: 0;
}
.article-body ul ul,
.article-body ol ul {
    margin-top: 6px;
    margin-bottom: 6px;
}
.article-body ul ul li::before {
    content: '◦';
    font-size: 1rem;
}
.article-body ol ol {
    counter-reset: subitem;
}
.article-body ol ol li::before {
    content: counter(item) "." counter(subitem) ".";
    counter-increment: subitem;
}
.article-body .highlight-box {
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.04), rgba(59, 130, 246, 0.02));
    border-left: 4px solid #2563eb;
    padding: 20px 24px;
    border-radius: 0 12px 12px 0;
    margin: 24px 0;
}
.article-body .highlight-box p {
    margin-bottom: 0;
}
.article-body .table-wrapper {
    overflow-x: auto;
    margin: 24px 0 28px;
    border-radius: 12px;
    border: 1px solid rgba(37, 99, 235, 0.06);
}
.article-body table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.95rem;
    min-width: 480px;
}
.article-body table thead {
    background: linear-gradient(135deg, #f0f7ff, #e0ecfe);
}
.article-body table th {
    padding: 14px 18px;
    text-align: left;
    font-weight: 600;
    color: #0b1b33;
    border-bottom: 2px solid rgba(37, 99, 235, 0.10);
}
.article-body table td {
    padding: 12px 18px;
    border-bottom: 1px solid rgba(37, 99, 235, 0.04);
    color: #334155;
}
.article-body table tbody tr:hover {
    background: rgba(37, 99, 235, 0.02);
}
.article-body table tbody tr:last-child td {
    border-bottom: none;
}
.article-body table .highlight-cell {
    color: #2563eb;
    font-weight: 600;
}
.article-body table .up {
    color: #22c55e;
}
.article-body table .down {
    color: #ef4444;
}
.article-body a {
    color: #2563eb;
    text-decoration: underline;
    text-underline-offset: 2px;
    text-decoration-thickness: 1.5px;
    text-decoration-color: rgba(37, 99, 235, 0.25);
    transition: color 0.2s, text-decoration-color 0.2s;
}
.article-body a:hover {
    color: #1d4ed8;
    text-decoration-color: #2563eb;
}
.article-body a.external-link::after {
    content: ' ↗';
    font-size: 0.8rem;
    opacity: 0.6;
}
.article-body .image-wrapper {
    margin: 24px 0 28px;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.04);
}
.article-body .image-wrapper img {
    width: 100%;
    height: auto;
    display: block;
}
.article-body .image-wrapper figcaption {
    padding: 12px 20px;
    font-size: 0.85rem;
    color: #94a3b8;
    background: #f8fafc;
    border-top: 1px solid rgba(37, 99, 235, 0.04);
}

.back-to-list {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: #2563eb;
    font-weight: 500;
    font-size: 0.95rem;
    transition: gap 0.2s;
    margin-top: 24px;
}
.back-to-list:hover {
    gap: 10px;
}

.social-share {
    margin-top: 40px;
    padding-top: 32px;
    border-top: 1px solid rgba(37, 99, 235, 0.06);
    text-align: center;
}
.social-share .share-label {
    font-size: 0.9rem;
    font-weight: 600;
    color: #0b1b33;
    margin-bottom: 14px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}
.social-share .share-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
}
.social-share .share-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    border-radius: 40px;
    font-size: 0.85rem;
    font-weight: 500;
    border: none;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
    color: #ffffff;
    background: #1e293b;
}
.social-share .share-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.10);
}
.social-share .share-btn .icon {
    font-size: 1.1rem;
    line-height: 1;
}
.social-share .share-btn.weibo {
    background: #e6162d;
}
.social-share .share-btn.twitter {
    background: #1da1f2;
}
.social-share .share-btn.facebook {
    background: #1877f2;
}
.social-share .share-btn.linkedin {
    background: #0a66c2;
}
.social-share .share-btn.copy-link {
    background: #475569;
}

.related-articles {
    margin-top: 48px;
    text-align: center;
}
.related-articles .related-title {
    font-size: 1.4rem;
    font-weight: 700;
    color: #0b1b33;
    margin-bottom: 24px;
    display: inline-block;
}
.related-articles .related-title::after {
    content: '';
    display: block;
    width: 40%;
    height: 3px;
    background: linear-gradient(135deg, #3b82f6, #1d4ed8);
    margin: 6px auto 0;
    border-radius: 4px;
}
.related-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    text-align: left;
}
.related-card {
    background: #ffffff;
    border-radius: 20px;
    border: 1px solid rgba(37, 99, 235, 0.06);
    overflow: hidden;
    transition: transform 0.25s, box-shadow 0.25s;
}
.related-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 32px -8px rgba(37, 99, 235, 0.08);
}
.related-card .card-image {
    width: 100%;
    aspect-ratio: 16 / 9;
    overflow: hidden;
    background: #e8f0fe;
}
.related-card .card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.4s ease;
}
.related-card:hover .card-image img {
    transform: scale(1.03);
}
.related-card .card-body {
    padding: 16px 20px 20px;
}
.related-card .card-body .related-date {
    font-size: 0.7rem;
    color: #94a3b8;
}
.related-card .card-body h4 {
    font-size: 0.95rem;
    font-weight: 600;
    color: #0b1b33;
    margin: 4px 0 6px;
}
.related-card .card-body h4 a {
    color: #0b1b33;
    transition: color 0.2s;
}
.related-card .card-body h4 a:hover {
    color: #2563eb;
}
.related-card .card-body .related-excerpt {
    font-size: 0.85rem;
    color: #64748b;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* ============================================================
   11. 页脚
   ============================================================ */
.footer {
    background: #0b1b33;
    color: rgba(255, 255, 255, 0.5);
    padding: 48px 0 32px;
    border-top: 1px solid rgba(37, 99, 235, 0.04);
}
.footer .container {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 24px;
}
.footer-links {
    display: flex;
    gap: 28px;
    flex-wrap: wrap;
}
.footer-links a {
    color: rgba(255, 255, 255, 0.4);
    transition: color 0.2s;
    font-size: 0.9rem;
}
.footer-links a:hover {
    color: #3b82f6;
}
.footer-copy {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.25);
}

/* ============================================================
   12. 响应式 — 统一断点
   ============================================================ */

/* 1024px 及以下 */
@media (max-width: 1024px) {
    .hero-grid {
        gap: 32px;
    }
    .hero-text h1 {
        font-size: 2.4rem;
    }
    .trust-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    .advantages-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .news-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .pricing-grid {
        grid-template-columns: 1fr 1fr;
    }
    .pricing-grid .pricing-card:last-child {
        grid-column: span 2;
    }
    .download-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .scenes-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .steps {
        grid-template-columns: repeat(3, 1fr);
        gap: 24px;
    }
    .steps::before {
        display: none;
    }
    .news-list-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .news-hero h1 {
        font-size: 2.4rem;
    }
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .cert-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .scene-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .download-guide .guide-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .related-faq-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .article-header h1 {
        font-size: 2.2rem;
    }
    .related-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* 820px 及以下 */
@media (max-width: 820px) {
    .section {
        padding: 56px 0;
    }
    .hero-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    .hero-text p {
        max-width: 100%;
        margin-left: auto;
        margin-right: auto;
    }
    .hero-actions {
        justify-content: center;
    }
    .platform-tags {
        justify-content: center;
    }
    .hero-image .img-placeholder {
        aspect-ratio: 16 / 9;
    }
    .nav-links {
        gap: 16px;
        font-size: 0.85rem;
    }
    .nav-links a:not(.nav-download-btn) {
        display: none;
    }
    .trust-grid {
        grid-template-columns: 1fr 1fr 1fr;
    }
    .advantages-grid {
        grid-template-columns: 1fr 1fr;
    }
    .news-grid {
        grid-template-columns: 1fr 1fr;
    }
    .pricing-grid {
        grid-template-columns: 1fr;
    }
    .pricing-grid .pricing-card:last-child {
        grid-column: span 1;
    }
    .steps {
        grid-template-columns: 1fr 1fr;
    }
    .news-list-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .news-hero h1 {
        font-size: 2rem;
    }
    .news-hero {
        padding: 32px 0 24px;
    }
    .search-box {
        max-width: 100%;
    }
    .product-hero h1 {
        font-size: 2rem;
    }
    .product-hero {
        padding: 40px 0 32px;
    }
    .overview-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    .overview-image .img-placeholder {
        aspect-ratio: 16/9;
    }
    .tech-grid {
        grid-template-columns: 1fr;
    }
    .cert-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .features-grid {
        grid-template-columns: 1fr 1fr;
    }
    .scene-grid {
        grid-template-columns: 1fr 1fr;
    }
    .compare-wrap table {
        font-size: 0.8rem;
        min-width: 460px;
    }
    .cta-section h2 {
        font-size: 1.6rem;
    }
    .download-hero h1 {
        font-size: 2rem;
    }
    .download-hero {
        padding: 32px 0 24px;
    }
    .download-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }
    .download-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .compare-table-wrap table {
        font-size: 0.8rem;
        min-width: 480px;
    }
    .download-guide .guide-grid {
        grid-template-columns: 1fr 1fr;
    }
    .faq-hero h1 {
        font-size: 2rem;
    }
    .faq-hero {
        padding: 32px 0 24px;
    }
    .faq-hero .search-box-faq {
        max-width: 100%;
    }
    .section-title {
        font-size: 2rem;
    }
    .related-faq-grid {
        grid-template-columns: 1fr 1fr;
    }
    .article-header h1 {
        font-size: 1.8rem;
    }
    .article-body {
        font-size: 1rem;
    }
    .article-body h2 {
        font-size: 1.45rem;
    }
    .article-body h3 {
        font-size: 1.15rem;
    }
    .social-share .share-buttons {
        gap: 8px;
    }
    .social-share .share-btn {
        padding: 8px 16px;
        font-size: 0.8rem;
    }
    .social-share .share-btn .btn-text {
        display: none;
    }
    .related-grid {
        grid-template-columns: 1fr 1fr;
    }
}

/* 600px 及以下 */
@media (max-width: 600px) {
    .container {
        padding: 0 16px;
    }
    .section {
        padding: 40px 0;
    }
    .hero-text h1 {
        font-size: 2rem;
    }
    .hero {
        padding: 40px 0 56px;
    }
    .trust-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    .advantages-grid {
        grid-template-columns: 1fr;
    }
    .news-grid {
        grid-template-columns: 1fr;
    }
    .stats-grid {
        grid-template-columns: 1fr 1fr;
    }
    .download-grid {
        grid-template-columns: 1fr 1fr;
    }
    .scenes-grid {
        grid-template-columns: 1fr;
    }
    .steps {
        grid-template-columns: 1fr 1fr;
    }
    .footer .container {
        flex-direction: column;
        text-align: center;
    }
    .footer-links {
        justify-content: center;
    }
    .nav-links {
        gap: 12px;
    }
    .nav-brand span {
        font-size: 1rem;
    }
    .pricing-card {
        padding: 24px 16px;
    }
    .faq-question {
        padding: 14px 16px;
        font-size: 0.9rem;
    }
    .faq-answer {
        font-size: 0.9rem;
        padding: 0 16px;
    }
    .faq-item.active .faq-answer {
        padding: 0 16px 16px;
    }

    .news-list-grid {
        grid-template-columns: 1fr;
        max-width: 420px;
        margin: 0 auto;
    }
    .news-hero h1 {
        font-size: 1.6rem;
    }
    .news-hero .news-hero-sub {
        font-size: 0.95rem;
    }
    .search-box input {
        padding: 12px 48px 12px 16px;
        font-size: 0.95rem;
    }
    .search-box .search-icon svg {
        width: 19px;
        height: 19px;
    }
    .search-box .clear-btn {
        right: 46px;
    }
    .pagination a,
    .pagination span {
        min-width: 36px;
        height: 36px;
        font-size: 0.8rem;
        padding: 0 10px;
    }
    .news-card .card-body {
        padding: 16px 18px 20px;
    }
    .news-card h3 {
        font-size: 0.95rem;
    }

    .product-hero h1 {
        font-size: 1.6rem;
    }
    .product-hero .product-hero-sub {
        font-size: 0.95rem;
    }
    .product-tags {
        gap: 6px 12px;
    }
    .product-tags .tag-item {
        font-size: 0.75rem;
        padding: 4px 12px;
    }
    .features-grid {
        grid-template-columns: 1fr;
        max-width: 400px;
        margin: 0 auto;
    }
    .tech-card {
        flex-direction: column;
        align-items: center;
        text-align: center;
        padding: 24px 18px;
    }
    .cert-grid {
        grid-template-columns: 1fr 1fr;
        gap: 12px;
    }
    .cert-item {
        padding: 18px 12px;
    }
    .cert-item .cert-icon {
        font-size: 1.8rem;
    }
    .cert-item h4 {
        font-size: 0.85rem;
    }
    .cert-item p {
        font-size: 0.7rem;
    }
    .scene-grid {
        grid-template-columns: 1fr;
        max-width: 380px;
        margin: 0 auto;
    }
    .compare-wrap table {
        font-size: 0.75rem;
        min-width: 400px;
    }
    .compare-wrap table th,
    .compare-wrap table td {
        padding: 8px 10px;
    }
    .cta-section {
        padding: 40px 0;
    }
    .cta-section h2 {
        font-size: 1.4rem;
    }
    .cta-section .btn-primary,
    .cta-section .btn-secondary {
        padding: 12px 28px;
        font-size: 0.9rem;
    }

    .download-hero h1 {
        font-size: 1.6rem;
    }
    .download-hero .download-hero-sub {
        font-size: 0.95rem;
    }
    .download-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }
    .download-stats .stat-item .number {
        font-size: 1.5rem;
    }
    .download-grid {
        grid-template-columns: 1fr;
        max-width: 420px;
        margin: 0 auto;
    }
    .download-card {
        padding: 20px 16px 20px;
    }
    .download-card .platform-icon {
        font-size: 2.2rem;
    }
    .changelog-item {
        flex-direction: column;
        gap: 6px;
        padding: 14px 16px;
    }
    .changelog-item .version-tag {
        align-self: flex-start;
    }
    .security-notice {
        flex-direction: column;
        gap: 12px;
        padding: 18px 20px;
    }
    .compare-table-wrap table {
        font-size: 0.75rem;
        min-width: 400px;
    }
    .compare-table-wrap table th,
    .compare-table-wrap table td {
        padding: 8px 10px;
    }
    .download-guide .guide-grid {
        grid-template-columns: 1fr;
        max-width: 380px;
        margin: 0 auto;
    }

    .faq-hero h1 {
        font-size: 1.6rem;
    }
    .faq-hero .faq-hero-sub {
        font-size: 0.95rem;
    }
    .faq-hero .search-box-faq input {
        padding: 12px 48px 12px 16px;
        font-size: 0.95rem;
    }
    .faq-hero .search-box-faq .search-icon svg {
        width: 19px;
        height: 19px;
    }
    .faq-hero .search-box-faq .clear-btn-faq {
        right: 46px;
    }
    .section-title {
        font-size: 1.6rem;
    }
    .faq-toolbar .filter-group {
        gap: 6px;
    }
    .faq-toolbar .filter-btn {
        font-size: 0.7rem;
        padding: 4px 14px;
    }
    .faq-item .faq-question {
        font-size: 0.9rem;
        padding: 14px 16px;
    }
    .faq-item .faq-answer {
        font-size: 0.9rem;
        padding: 0 16px;
    }
    .faq-item.active .faq-answer {
        padding: 0 16px 16px;
    }
    .related-faq-grid {
        grid-template-columns: 1fr;
        max-width: 400px;
        margin: 0 auto;
    }

    .article-header h1 {
        font-size: 1.5rem;
    }
    .article-header {
        padding: 20px 0 16px;
    }
    .article-content .featured-image {
        margin: 16px 0 20px;
        border-radius: 14px;
    }
    .article-body {
        font-size: 0.95rem;
    }
    .article-body h2 {
        font-size: 1.25rem;
        margin: 32px 0 12px;
    }
    .article-body h3 {
        font-size: 1.05rem;
    }
    .article-body ul,
    .article-body ol {
        margin-left: 16px;
    }
    .article-body .table-wrapper {
        border-radius: 8px;
    }
    .article-body table {
        font-size: 0.85rem;
        min-width: 360px;
    }
    .article-body table th,
    .article-body table td {
        padding: 10px 12px;
    }
    .related-grid {
        grid-template-columns: 1fr;
        max-width: 400px;
        margin: 0 auto;
    }
    .breadcrumb {
        font-size: 0.75rem;
    }
    .social-share .share-btn {
        padding: 10px 14px;
    }
}