/* ============================================================
   common.css - 快连官网公共样式
   适用页面：首页、下载中心、产品介绍、常见问题、新闻列表、新闻详情
   不包含：404页面
   ============================================================ */

/* ===== 全局重置 & 基础 ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: linear-gradient(145deg, #0a0f1e 0%, #111b2e 50%, #0a0f1e 100%);
    color: #e2e9f5;
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ===== 品牌色彩 ===== */

:root {
    --primary: #00d4aa;
    --primary-dark: #00b894;
    --primary-light: #6af0d0;
    --accent: #00b4d8;
    --gradient-main: linear-gradient(135deg, #00d4aa, #00b4d8);
    --glass-bg: rgba(0, 212, 170, 0.04);
    --glass-border: rgba(0, 212, 170, 0.12);
    --shadow-sm: 0 8px 32px rgba(0, 0, 0, 0.6);
    --shadow-hover: 0 12px 48px rgba(0, 212, 170, 0.15);
    --radius-lg: 20px;
    --radius-md: 14px;
    --radius-sm: 10px;
    --text-primary: #f0f6fc;
    --text-secondary: #a0b8d0;
    --text-muted: #6a7f99;
    --border-light: rgba(0, 212, 170, 0.06);
    --nav-height: 72px;
}

/* ===== 通用组件 ===== */
.section-title {
    font-size: 2rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 0.5rem;
    background: var(--gradient-main);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-sub {
    text-align: center;
    color: var(--text-secondary);
    font-size: 1.05rem;
    margin-bottom: 2.5rem;
}

.card {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
    padding: 24px;
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
    border-color: rgba(0, 212, 170, 0.3);
}

.btn-primary {
    display: inline-block;
    background: var(--gradient-main);
    color: #0a0f1e;
    font-weight: 700;
    padding: 12px 32px;
    border-radius: 50px;
    border: none;
    cursor: pointer;
    text-decoration: none;
    font-size: 1rem;
    transition: all 0.3s ease;
    box-shadow: 0 4px 20px rgba(0, 212, 170, 0.35);
}

.btn-primary:hover {
    transform: translateY(-2px) scale(1.02);
    box-shadow: 0 8px 32px rgba(0, 212, 170, 0.55);
}

.btn-outline {
    display: inline-block;
    background: transparent;
    color: var(--primary);
    font-weight: 600;
    padding: 12px 32px;
    border-radius: 50px;
    border: 2px solid var(--primary);
    cursor: pointer;
    text-decoration: none;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.btn-outline:hover {
    background: var(--primary);
    color: #0a0f1e;
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 212, 170, 0.25);
}

.tag {
    display: inline-block;
    background: rgba(0, 212, 170, 0.12);
    color: var(--primary-light);
    font-size: 0.75rem;
    font-weight: 600;
    padding: 4px 14px;
    border-radius: 50px;
    letter-spacing: 0.3px;
    border: 1px solid rgba(0, 212, 170, 0.2);
}

/* ===== 1. 顶部导航（全局） ===== */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 0;
    border-bottom: 1px solid var(--border-light);
    flex-wrap: wrap;
    gap: 12px;
    position: relative;
    min-height: var(--nav-height);
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.4rem;
    font-weight: 700;
    color: #fff;
    text-decoration: none;
    flex-shrink: 0;
    z-index: 10;
}

.logo-icon {
    width: 38px;
    height: 38px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #0a0f1e;
    font-weight: 800;
    font-size: 1.2rem;
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 5px;
    padding: 6px 4px;
    background: transparent;
    border: none;
    z-index: 10;
    transition: all 0.3s ease;
}

.hamburger span {
    display: block;
    width: 28px;
    height: 3px;
    background: var(--text-secondary);
    border-radius: 3px;
    transition: all 0.3s ease;
    transform-origin: center;
}

.hamburger.active span:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
    background: var(--primary-light);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}

.hamburger.active span:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
    background: var(--primary-light);
}

.hamburger:hover span {
    background: var(--primary-light);
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 28px;
    align-items: center;
    flex-wrap: wrap;
    transition: all 0.3s ease;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.95rem;
    transition: color 0.2s;
    white-space: nowrap;
}

.nav-links a:hover {
    color: var(--primary-light);
}

.nav-links a.nav-download-btn {
    background: var(--gradient-main);
    color: #0a0f1e !important;
    padding: 8px 22px;
    border-radius: 50px;
    font-weight: 700;
    box-shadow: 0 4px 16px rgba(0, 212, 170, 0.25);
}

.nav-links a.nav-download-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 28px rgba(0, 212, 170, 0.4);
    color: #0a0f1e !important;
}

/* ===== 2. 面包屑导航（全局） ===== */
.breadcrumb {
    padding: 20px 0 8px;
    font-size: 0.85rem;
    color: var(--text-muted);
}

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

.breadcrumb a:hover {
    color: #ffffff;
    text-decoration: underline;
}

.breadcrumb .sep {
    margin: 0 8px;
    color: var(--text-muted);
    opacity: 0.4;
}

/* ===== 3. 页面标题区（全局） ===== */
.page-header {
    padding: 8px 0 24px;
    text-align: center;
}

.page-header h1 {
    font-size: 2.8rem;
    font-weight: 800;
    color: #ffffff;
    margin-bottom: 12px;
}

.page-header h1 .highlight {
    background: var(--gradient-main);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.page-header p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 680px;
    margin: 0 auto;
}

/* ===== 4. 页脚（全局） ===== */
.footer {
    padding: 40px 0 24px;
    border-top: 1px solid var(--border-light);
    margin-top: 16px;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 32px;
    flex-wrap: wrap;
    margin-bottom: 20px;
}

.footer-links a {
    text-decoration: none;
    color: var(--text-muted);
    font-size: 0.9rem;
    transition: color 0.2s;
}

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

.footer-copy {
    text-align: center;
    color: var(--text-muted);
    font-size: 0.8rem;
}

/* ============================================================
   首页专用样式
   ============================================================ */

/* 英雄区 */
.hero {
    display: flex;
    align-items: center;
    gap: 48px;
    padding: 48px 0 56px;
    flex-wrap: wrap;
    position: relative;
}

.hero-text {
    flex: 1 1 45%;
    min-width: 280px;
    order: 1;
    position: relative;
    z-index: 1;
}

.hero-image {
    flex: 1 1 45%;
    position: relative;
    min-width: 280px;
    order: 2;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.7);
    z-index: 1;
}

.hero-image img {
    width: 100%;
    height: auto;
    display: block;
    aspect-ratio: 4/3;
    object-fit: cover;
}

.floating-badge {
    position: absolute;
    bottom: 20px;
    right: 20px;
    background: rgba(10, 15, 30, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-radius: 50px;
    padding: 8px 20px;
    font-size: 0.85rem;
    font-weight: 600;
    color: #e2e9f5;
    border: 1px solid rgba(0, 212, 170, 0.3);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.4);
    display: flex;
    align-items: center;
    gap: 8px;
    z-index: 3;
}

.floating-badge .dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: #00d4aa;
    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(0, 212, 170, 0.12);
    color: var(--primary-light);
    font-size: 0.8rem;
    font-weight: 600;
    padding: 4px 16px;
    border-radius: 50px;
    margin-bottom: 16px;
    letter-spacing: 0.5px;
    border: 1px solid rgba(0, 212, 170, 0.15);
}

.hero-text h1 {
    font-size: 2.8rem;
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 16px;
    color: #ffffff;
}

.hero-text h1 .highlight {
    background: var(--gradient-main);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-text .desc {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 20px;
    max-width: 480px;
}

.platform-tags {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin-bottom: 24px;
}

.platform-tags .tag {
    background: rgba(255, 255, 255, 0.04);
    color: var(--text-secondary);
    border-color: rgba(255, 255, 255, 0.08);
}

.hero-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

/* 优势区 */
.advantages {
    padding: 56px 0;
    background: rgba(0, 212, 170, 0.02);
    border-radius: var(--radius-lg);
    margin: 0 0 40px;
    border: 1px solid var(--border-light);
}

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

.advantage-item {
    text-align: center;
    padding: 20px 12px;
    border-left: 3px solid transparent;
    transition: border-color 0.3s;
}

.advantage-item:hover {
    border-left-color: var(--primary);
}

.advantage-item .icon {
    font-size: 2.2rem;
    margin-bottom: 8px;
    display: block;
    filter: drop-shadow(0 0 8px rgba(0, 212, 170, 0.2));
}

.advantage-item h4 {
    font-size: 1rem;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 4px;
}

.advantage-item p {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* 产品方案区 */
.pricing {
    padding: 48px 0;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin: 0 auto;
}

.pricing-card {
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    padding: 32px 24px;
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
    position: relative;
}

.pricing-card:hover {
    transform: translateY(-6px) scale(1.02);
    box-shadow: var(--shadow-hover);
    border-color: rgba(0, 212, 170, 0.4);
}

.pricing-card.recommended {
    border: 2px solid var(--primary);
    background: rgba(0, 212, 170, 0.06);
}

.recommended-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient-main);
    color: #0a0f1e;
    font-size: 0.7rem;
    font-weight: 800;
    padding: 4px 20px;
    border-radius: 50px;
    letter-spacing: 0.5px;
    box-shadow: 0 4px 12px rgba(0, 212, 170, 0.3);
}

.pricing-card .plan-name {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 4px;
    color: #ffffff;
}

.pricing-card .price {
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--primary-light);
    margin: 8px 0 4px;
}

.pricing-card .price span {
    font-size: 1rem;
    font-weight: 400;
    color: var(--text-muted);
}

.pricing-card .plan-desc {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 16px;
}

/* 下载入口区（首页） */
.download-section {
    padding: 48px 0;
}

.download-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.download-card {
    text-align: center;
    padding: 28px 12px;
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-radius: var(--radius-md);
    border: 1px solid var(--glass-border);
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
    cursor: pointer;
    position: relative;
    text-decoration: none;
    color: inherit;
    display: block;
}

.download-card:hover {
    transform: translateY(-6px) scale(1.03);
    box-shadow: var(--shadow-hover);
    border-color: rgba(0, 212, 170, 0.4);
}

.download-card .platform-icon {
    font-size: 2.6rem;
    display: block;
    margin-bottom: 6px;
}

.download-card h4 {
    font-weight: 700;
    font-size: 1rem;
    color: #ffffff;
}

.download-card p {
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* 使用场景区 */
.scenes {
    padding: 48px 0;
    background: rgba(0, 212, 170, 0.02);
    border-radius: var(--radius-lg);
    margin: 0 0 40px;
    border: 1px solid var(--border-light);
}

.scenes-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.scene-card {
    text-align: center;
    padding: 24px 12px;
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-radius: var(--radius-sm);
    border: 1px solid var(--glass-border);
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
}

.scene-card:hover {
    transform: translateY(-4px) rotate(0.5deg);
    box-shadow: var(--shadow-hover);
    border-color: rgba(0, 212, 170, 0.3);
}

.scene-card .scene-icon {
    font-size: 2.4rem;
    display: block;
    margin-bottom: 6px;
    filter: drop-shadow(0 0 6px rgba(0, 212, 170, 0.15));
}

.scene-card h4 {
    font-size: 1rem;
    font-weight: 700;
    color: #ffffff;
}

.scene-card p {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* 新闻列表（首页） */
.news {
    padding: 48px 0 56px;
}

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

.news-card {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    transition: all 0.35s ease;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    cursor: pointer;
    text-decoration: none;
    color: inherit;
}

.news-card:hover {
    transform: translateY(-8px) scale(1.01);
    box-shadow: var(--shadow-hover);
    border-color: rgba(0, 212, 170, 0.4);
}

.news-card .news-img {
    width: 100%;
    height: 170px;
    flex-shrink: 0;
    position: relative;
    overflow: hidden;
}

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

.news-card:hover .news-img img {
    transform: scale(1.04);
}

.news-card .news-img .img-label {
    position: absolute;
    top: 14px;
    left: 14px;
    background: rgba(0, 212, 170, 0.18);
    color: var(--primary-light);
    font-size: 0.6rem;
    font-weight: 700;
    padding: 3px 14px;
    border-radius: 50px;
    border: 1px solid rgba(0, 212, 170, 0.25);
    backdrop-filter: blur(4px);
    z-index: 2;
}

.news-card .news-img .img-icon {
    position: absolute;
    top: 14px;
    right: 14px;
    font-size: 1.4rem;
    opacity: 0.5;
    z-index: 2;
}

.news-card .news-img .big-letter {
    position: absolute;
    bottom: -10px;
    right: 10px;
    font-size: 5.5rem;
    font-weight: 900;
    color: rgba(255, 255, 255, 0.10);
    line-height: 1;
    user-select: none;
    letter-spacing: -4px;
    font-family: 'Inter', sans-serif;
    z-index: 1;
}

.news-card .news-img .overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.15);
    z-index: 1;
}

.news-card .news-body {
    padding: 18px 20px 16px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.news-card .news-body .news-date {
    font-size: 0.72rem;
    color: var(--text-muted);
    margin-bottom: 6px;
    display: flex;
    align-items: center;
    gap: 6px;
    letter-spacing: 0.3px;
}

.news-card .news-body .news-date .dot-divider {
    color: var(--primary);
    opacity: 0.4;
}

.news-card .news-body h4 {
    font-size: 0.95rem;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 6px;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.news-card .news-body p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.5;
    flex: 1;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.news-card .news-body .news-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 12px;
    padding-top: 10px;
    border-top: 1px solid var(--border-light);
}

.news-card .news-body .news-tag {
    font-size: 0.6rem;
    font-weight: 600;
    padding: 2px 14px;
    border-radius: 50px;
    background: rgba(0, 212, 170, 0.07);
    color: var(--text-secondary);
    border: 1px solid rgba(255, 255, 255, 0.05);
    letter-spacing: 0.3px;
}

.news-card .news-body .read-more {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--primary-light);
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 4px;
}

.news-card:hover .news-body .read-more {
    transform: translateX(4px);
}

.news-more {
    text-align: center;
    margin-top: 32px;
}

/* 技术流程区 */
.flow {
    padding: 48px 0 40px;
    position: relative;
}

.flow::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 10%;
    right: 10%;
    height: 2px;
    background: linear-gradient(90deg, transparent, rgba(0, 212, 170, 0.2), transparent);
    transform: translateY(-50%);
    z-index: 0;
}

.flow-steps {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 16px;
    align-items: start;
    position: relative;
    z-index: 1;
}

.flow-step {
    text-align: center;
    padding: 16px 8px;
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-radius: var(--radius-sm);
    border: 1px solid var(--glass-border);
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
}

.flow-step:hover {
    transform: translateY(-4px) scale(1.05);
    box-shadow: var(--shadow-hover);
    border-color: rgba(0, 212, 170, 0.3);
}

.flow-step .step-num {
    display: inline-block;
    width: 36px;
    height: 36px;
    background: var(--gradient-main);
    color: #0a0f1e;
    font-weight: 800;
    border-radius: 50%;
    line-height: 36px;
    font-size: 0.9rem;
    margin-bottom: 8px;
    box-shadow: 0 4px 12px rgba(0, 212, 170, 0.3);
}

.flow-step h4 {
    font-size: 0.9rem;
    font-weight: 700;
    color: #ffffff;
}

.flow-step p {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

/* ===== 常见问题区（全局） ===== */
.faq {
    padding: 48px 0;
}

.faq-list {
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.faq-item {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-radius: var(--radius-sm);
    border: 1px solid var(--glass-border);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    transition: all 0.3s ease;
}

.faq-item:hover {
    box-shadow: var(--shadow-hover);
    border-color: rgba(0, 212, 170, 0.2);
}

.faq-question {
    width: 100%;
    padding: 18px 24px;
    background: transparent;
    border: none;
    font-size: 1rem;
    font-weight: 600;
    color: #ffffff;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    text-align: left;
    font-family: inherit;
    transition: background 0.2s;
    border-radius: 0;
}

.faq-question:hover {
    background: rgba(0, 212, 170, 0.04);
}

.faq-question .arrow {
    transition: transform 0.3s ease;
    font-size: 1.2rem;
    color: var(--primary);
    flex-shrink: 0;
    margin-left: 16px;
}

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

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, padding 0.3s ease;
    padding: 0 24px;
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.7;
}

.faq-item.active .faq-answer {
    max-height: 300px;
    padding: 0 24px 20px;
}

.faq-answer a {
    color: var(--primary-light);
    text-decoration: none;
}

.faq-answer a:hover {
    text-decoration: underline;
}

/* ===== CTA 引导区（全局） ===== */
.cta {
    padding: 40px 0 56px;
    text-align: center;
}

.cta h2 {
    font-size: 2rem;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 8px;
}

.cta p {
    color: var(--text-secondary);
    font-size: 1.05rem;
    margin-bottom: 24px;
}

.cta .btn-group {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

/* ============================================================
   下载中心专用样式
   ============================================================ */

/* 下载卡片（下载中心） */
.download-section .download-grid {
    grid-template-columns: repeat(2, 1fr);
    margin: 0 auto;
}

.download-section .download-card {
    display: flex;
    align-items: center;
    gap: 24px;
    padding: 32px 28px;
    text-align: left;
}

.download-section .download-card .platform-icon {
    font-size: 3.2rem;
    flex-shrink: 0;
    width: 64px;
    text-align: center;
    filter: drop-shadow(0 0 12px rgba(0, 212, 170, 0.15));
}

.download-section .download-card .info {
    flex: 1;
}

.download-section .download-card .info h4 {
    font-size: 1.2rem;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 2px;
}

.download-section .download-card .info .version {
    font-size: 0.8rem;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

.download-section .download-card .info .version .badge {
    display: inline-block;
    background: rgba(0, 212, 170, 0.12);
    color: var(--primary-light);
    font-size: 0.6rem;
    font-weight: 600;
    padding: 2px 12px;
    border-radius: 50px;
    border: 1px solid rgba(0, 212, 170, 0.2);
}

.download-section .download-card .info .desc {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-top: 4px;
}

.download-section .download-card .download-btn {
    flex-shrink: 0;
    background: var(--gradient-main);
    color: #0a0f1e;
    font-weight: 700;
    padding: 10px 24px;
    border-radius: 50px;
    font-size: 0.9rem;
    transition: all 0.3s ease;
    white-space: nowrap;
    border: none;
    cursor: pointer;
    text-decoration: none;
    display: inline-block;
    box-shadow: 0 4px 16px rgba(0, 212, 170, 0.2);
}

.download-section .download-card .download-btn:hover {
    transform: scale(1.05);
    box-shadow: 0 8px 28px rgba(0, 212, 170, 0.4);
}

/* 下载引导步骤 */
.steps {
    padding: 40px 0 48px;
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin: 0 auto;
}

.step-card {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    padding: 32px 24px 28px;
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: all 0.35s ease;
    position: relative;
    overflow: hidden;
}

.step-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
    border-color: rgba(0, 212, 170, 0.3);
}

.step-card .step-num {
    display: inline-block;
    width: 48px;
    height: 48px;
    background: var(--gradient-main);
    color: #0a0f1e;
    font-weight: 800;
    font-size: 1.2rem;
    border-radius: 50%;
    line-height: 48px;
    margin-bottom: 16px;
    box-shadow: 0 4px 16px rgba(0, 212, 170, 0.3);
}

.step-card .step-icon {
    font-size: 2.4rem;
    display: block;
    margin-bottom: 8px;
}

.step-card h4 {
    font-size: 1.1rem;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 6px;
}

.step-card p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* 用户评价 */
.reviews {
    padding: 40px 0 48px;
}

.reviews-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin: 0 auto;
}

.review-card {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    padding: 24px 24px 20px;
    box-shadow: var(--shadow-sm);
    transition: all 0.35s ease;
}

.review-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
    border-color: rgba(0, 212, 170, 0.25);
}

.review-card .review-header {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 10px;
}

.review-card .review-header .avatar {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    font-weight: 700;
    color: #0a0f1e;
    flex-shrink: 0;
}

.review-card:nth-child(1) .avatar { background: var(--gradient-main); }
.review-card:nth-child(2) .avatar { background: linear-gradient(135deg, #6366f1, #8b5cf6); }
.review-card:nth-child(3) .avatar { background: linear-gradient(135deg, #f59e0b, #ef4444); }

.review-card .review-header .reviewer-info {
    flex: 1;
}

.review-card .review-header .reviewer-info .name {
    font-weight: 700;
    color: #ffffff;
    font-size: 0.95rem;
}

.review-card .review-header .reviewer-info .platform {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.review-card .review-header .stars {
    color: #f59e0b;
    font-size: 0.9rem;
    letter-spacing: 2px;
    flex-shrink: 0;
}

.review-card .review-text {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 10px;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.review-card .review-date {
    font-size: 0.7rem;
    color: var(--text-muted);
    border-top: 1px solid var(--border-light);
    padding-top: 10px;
    text-align: right;
}

/* 下载注意事项 */
.tips {
    padding: 40px 0 48px;
    max-width: 820px;
    margin: 0 auto;
}

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

.tips-card {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    padding: 20px 24px;
    transition: all 0.3s ease;
}

.tips-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
    border-color: rgba(0, 212, 170, 0.2);
}

.tips-card .tip-icon {
    font-size: 1.6rem;
    display: block;
    margin-bottom: 4px;
}

.tips-card h4 {
    font-size: 0.95rem;
    font-weight: 700;
    color: #ffffff;
}

.tips-card p {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* ============================================================
   产品介绍专用样式
   ============================================================ */

/* 产品概览 */
.overview {
    padding: 16px 0 48px;
}

.overview-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    margin: 0 auto;
    align-items: center;
}

.overview-text h2 {
    font-size: 2rem;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 16px;
}

.overview-text h2 .highlight {
    background: var(--gradient-main);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.overview-text p {
    color: var(--text-secondary);
    font-size: 1.05rem;
    line-height: 1.8;
    margin-bottom: 16px;
}

.overview-text ul {
    list-style: none;
    padding: 0;
}

.overview-text ul li {
    padding: 6px 0;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.95rem;
}

.overview-text ul li::before {
    content: '✓';
    color: var(--primary-light);
    font-weight: 700;
    font-size: 1.1rem;
}

.overview-image {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    transition: all 0.35s ease;
}

.overview-image:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
    border-color: rgba(0, 212, 170, 0.3);
}

.overview-image img {
    width: 100%;
    height: auto;
    display: block;
    aspect-ratio: 4/3;
    object-fit: cover;
}

/* 核心功能 */
.features {
    padding: 48px 0;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin: 0 auto;
}

.feature-card {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    padding: 32px 24px 28px;
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: all 0.35s ease;
}

.feature-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-hover);
    border-color: rgba(0, 212, 170, 0.35);
}

.feature-card .f-icon {
    font-size: 2.8rem;
    display: block;
    margin-bottom: 12px;
    filter: drop-shadow(0 0 12px rgba(0, 212, 170, 0.12));
}

.feature-card h4 {
    font-size: 1.05rem;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 6px;
}

.feature-card p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* 技术优势 */
.tech {
    padding: 48px 0;
    background: rgba(0, 212, 170, 0.02);
    border-radius: var(--radius-lg);
    margin: 0 0 8px;
    border: 1px solid var(--border-light);
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    margin: 0 auto;
}

.tech-card {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    padding: 28px 24px;
    transition: all 0.35s ease;
    display: flex;
    gap: 18px;
    align-items: flex-start;
}

.tech-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
    border-color: rgba(0, 212, 170, 0.3);
}

.tech-card .tech-icon {
    font-size: 2.2rem;
    flex-shrink: 0;
    filter: drop-shadow(0 0 8px rgba(0, 212, 170, 0.1));
}

.tech-card .tech-info h4 {
    font-size: 1rem;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 4px;
}

.tech-card .tech-info p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* 版本对比 */
.compare {
    padding: 48px 0;
}

.compare-table-wrap {
    margin: 0 auto;
    overflow-x: auto;
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
}

.compare-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.95rem;
    min-width: 600px;
}

.compare-table thead th {
    padding: 18px 20px;
    text-align: center;
    font-weight: 700;
    color: #ffffff;
    border-bottom: 2px solid var(--glass-border);
    background: rgba(0, 212, 170, 0.04);
}

.compare-table thead th:first-child {
    text-align: left;
    color: var(--text-secondary);
    font-weight: 600;
}

.compare-table tbody td {
    padding: 14px 20px;
    text-align: center;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--glass-border);
}

.compare-table tbody td:first-child {
    text-align: left;
    color: var(--text-secondary);
    font-weight: 500;
}

.compare-table tbody tr:last-child td {
    border-bottom: none;
}

.compare-table .check {
    color: var(--primary-light);
    font-weight: 700;
    font-size: 1.1rem;
}

.compare-table .cross {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.compare-table .highlight-row td {
    background: rgba(0, 212, 170, 0.04);
}

.compare-table .highlight-row td:first-child {
    background: transparent;
}

/* ============================================================
   常见问题（FAQ）专用样式
   ============================================================ */

/* 搜索框 */
.search-wrap {
    margin: 0 auto 40px;
    padding: 0 8px;
}

.search-box {
    display: flex;
    align-items: center;
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: 50px;
    padding: 4px 4px 4px 24px;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-sm);
}
.search-box button {
    background: var(--gradient-main);
    color: #0a0f1e;
    font-weight: 700;
    border: none;
    border-radius: 50px;
    padding: 10px 28px;
    cursor: pointer;
    font-size: 0.9rem;
    transition: all 0.3s ease;
    flex-shrink: 0;
    white-space: nowrap;
}
.search-box:focus-within {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(0, 212, 170, 0.15);
}

.search-box .search-icon {
    font-size: 1.2rem;
    color: var(--text-muted);
    flex-shrink: 0;
    margin-right: 8px;
}

.search-box input {
    flex: 1;
    background: transparent;
    border: none;
    outline: none;
    color: #ffffff;
    font-size: 1rem;
    padding: 12px 0;
    font-family: inherit;
    min-width: 0;
}

.search-box input::placeholder {
    color: var(--text-muted);
}

.search-box .search-btn {
    background: var(--gradient-main);
    color: #0a0f1e;
    font-weight: 700;
    border: none;
    border-radius: 50px;
    padding: 10px 28px;
    cursor: pointer;
    font-size: 0.9rem;
    transition: all 0.3s ease;
    flex-shrink: 0;
    white-space: nowrap;
}

.search-box .search-btn:hover {
    transform: scale(1.03);
    box-shadow: 0 4px 16px rgba(0, 212, 170, 0.3);
}

/* 分类导航 */
.categories {
    display: flex;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
    margin-bottom: 40px;
}

.categories .cat-btn {
    background: var(--glass-bg);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid var(--glass-border);
    border-radius: 50px;
    padding: 8px 24px;
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: inherit;
}

.categories .cat-btn:hover {
    border-color: rgba(0, 212, 170, 0.3);
    color: #ffffff;
}

.categories .cat-btn.active {
    background: var(--gradient-main);
    color: #0a0f1e;
    border-color: transparent;
    font-weight: 700;
}

/* 联系支持 */
.support {
    padding: 48px 0 16px;
    text-align: center;
}

.support-card {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    padding: 40px 32px;
    margin: 0 auto;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
}

.support-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
    border-color: rgba(0, 212, 170, 0.2);
}

.support-card .support-icon {
    font-size: 3rem;
    display: block;
    margin-bottom: 12px;
}

.support-card h3 {
    font-size: 1.4rem;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 8px;
}

.support-card p {
    color: var(--text-secondary);
    font-size: 1rem;
    margin-bottom: 20px;
}

.support-card .support-links {
    display: flex;
    justify-content: center;
    gap: 24px;
    flex-wrap: wrap;
}

.support-card .support-links a {
    color: var(--primary-light);
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 6px;
}

.support-card .support-links a:hover {
    color: #ffffff;
    transform: translateY(-2px);
}

/* ============================================================
   新闻列表页专用样式
   ============================================================ */

/* 排序提示 */
.list-info {
    text-align: center;
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: 20px;
}

.list-info span {
    background: rgba(0, 212, 170, 0.06);
    padding: 4px 16px;
    border-radius: 50px;
    border: 1px solid var(--glass-border);
    display: inline-block;
}

/* 工具栏 */
.news-toolbar {
    display: flex;
    justify-content: center;
    margin-bottom: 32px;
    margin-left: auto;
    margin-right: auto;
}

.news-toolbar .search-box {
    flex: 1;
}

/* 新闻列表项 */
.news-list {
    display: flex;
    flex-direction: column;
    gap: 24px;
    margin: 0 auto 40px;
}

.news-item {
    display: flex;
    gap: 24px;
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    padding: 20px;
    box-shadow: var(--shadow-sm);
    transition: all 0.35s ease;
    text-decoration: none;
    color: inherit;
    overflow: hidden;
    cursor: pointer;
}

.news-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
    border-color: rgba(0, 212, 170, 0.35);
}

.news-item .news-thumb {
    flex-shrink: 0;
    width: 200px;
    height: 130px;
    border-radius: var(--radius-sm);
    overflow: hidden;
    background: var(--glass-bg);
    position: relative;
}

.news-item .news-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.4s ease;
}

.news-item:hover .news-thumb img {
    transform: scale(1.05);
}

.news-item .news-thumb .thumb-label {
    position: absolute;
    top: 8px;
    left: 8px;
    background: rgba(0, 212, 170, 0.18);
    color: var(--primary-light);
    font-size: 0.55rem;
    font-weight: 700;
    padding: 2px 12px;
    border-radius: 50px;
    border: 1px solid rgba(0, 212, 170, 0.2);
    backdrop-filter: blur(4px);
    letter-spacing: 0.3px;
}

.news-item .news-body {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    min-width: 0;
}

.news-item .news-body .news-meta {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
    margin-bottom: 4px;
}

.news-item .news-body .news-meta .date {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.news-item .news-body .news-meta .dot {
    color: var(--text-muted);
    opacity: 0.3;
}

.news-item .news-body .news-meta .category-tag {
    font-size: 0.6rem;
    font-weight: 600;
    padding: 2px 12px;
    border-radius: 50px;
    background: rgba(0, 212, 170, 0.08);
    color: var(--primary-light);
    border: 1px solid rgba(0, 212, 170, 0.15);
}

.news-item .news-body h4 {
    font-size: 1.05rem;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 4px;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.news-item .news-body p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.news-item .news-body .read-more {
    margin-top: 10px;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--primary-light);
    display: flex;
    align-items: center;
    gap: 4px;
    transition: all 0.3s ease;
}

.news-item:hover .news-body .read-more {
    transform: translateX(4px);
}

/* 分页 */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 6px;
    flex-wrap: wrap;
    margin: 0 auto 48px;
    padding: 8px 0;
}

.pagination .page-btn {
    background: var(--glass-bg);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    padding: 8px 16px;
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: inherit;
    min-width: 40px;
    text-align: center;
    text-decoration: none;
}

.pagination .page-btn:hover {
    border-color: rgba(0, 212, 170, 0.3);
    color: #ffffff;
}

.pagination .page-btn.active {
    background: var(--gradient-main);
    color: #0a0f1e;
    border-color: transparent;
    font-weight: 700;
}

.pagination .page-btn.arrow {
    padding: 8px 18px;
}

.pagination .page-btn.disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.pagination .page-btn.disabled:hover {
    border-color: var(--glass-border);
    color: var(--text-secondary);
}

/* ============================================================
   新闻详情页专用样式
   ============================================================ */

.article-wrapper {
    margin: 0 auto 48px;
}

.article-header {
    padding: 8px 0 24px;
}

.article-header .article-category {
    display: inline-block;
    background: rgba(0, 212, 170, 0.12);
    color: var(--primary-light);
    font-size: 0.75rem;
    font-weight: 600;
    padding: 4px 16px;
    border-radius: 50px;
    border: 1px solid rgba(0, 212, 170, 0.2);
    margin-bottom: 12px;
}

.article-header h1 {
    font-size: 2.6rem;
    font-weight: 800;
    color: #ffffff;
    line-height: 1.2;
    margin-bottom: 12px;
}

.article-header .article-meta {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
    color: var(--text-muted);
    font-size: 0.85rem;
}

.article-header .article-meta .dot {
    color: var(--text-muted);
    opacity: 0.3;
}

.article-header .article-meta .author {
    color: var(--text-secondary);
}

.article-body {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    padding: 40px 44px;
    box-shadow: var(--shadow-sm);
    margin-bottom: 32px;
}

.article-body .featured-image {
    width: 100%;
    height: 240px;
    border-radius: var(--radius-sm);
    overflow: hidden;
    margin-bottom: 24px;
    background: var(--glass-bg);
    position: relative;
}

.article-body .featured-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.article-body .featured-image .img-label {
    position: absolute;
    top: 12px;
    left: 12px;
    background: rgba(0, 212, 170, 0.18);
    color: var(--primary-light);
    font-size: 0.6rem;
    font-weight: 700;
    padding: 3px 14px;
    border-radius: 50px;
    border: 1px solid rgba(0, 212, 170, 0.2);
    backdrop-filter: blur(4px);
    letter-spacing: 0.3px;
}

.article-body .featured-image .watermark {
    position: absolute;
    bottom: 14px;
    right: 16px;
    background: rgba(10, 15, 30, 0.75);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    border: 1px solid rgba(0, 212, 170, 0.15);
    border-radius: 50px;
    padding: 4px 16px;
    font-size: 0.6rem;
    color: var(--text-muted);
    letter-spacing: 0.5px;
    user-select: none;
    pointer-events: none;
    z-index: 2;
}

.article-body .featured-image .watermark a {
    color: var(--primary-light);
    text-decoration: none;
    pointer-events: auto;
    font-weight: 500;
    transition: color 0.2s;
}

.article-body .featured-image .watermark a:hover {
    color: #ffffff;
    text-decoration: underline;
}

.article-body p {
    font-size: 1.05rem;
    color: var(--text-secondary);
    line-height: 1.9;
    margin-bottom: 18px;
}

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

.article-body p strong {
    color: #ffffff;
    font-weight: 600;
}

.article-body p .highlight-text {
    color: var(--primary-light);
}

.article-body a {
    color: var(--primary-light);
    text-decoration: none;
    font-weight: 600;
    padding: 0 2px;
    border-bottom: 1.5px solid transparent;
    transition: all 0.3s ease;
    position: relative;
}

.article-body a:hover {
    color: #ffffff;
    border-bottom-color: var(--primary-light);
}

.article-body a::after {
    content: '↗';
    font-size: 0.7rem;
    margin-left: 2px;
    opacity: 0.5;
    transition: opacity 0.3s ease;
    display: inline-block;
}

.article-body a.no-external::after {
    display: none;
}

.article-body h2 {
    font-size: 1.4rem;
    font-weight: 700;
    color: #ffffff;
    margin-top: 28px;
    margin-bottom: 14px;
    padding-left: 14px;
    border-left: 3px solid var(--primary);
}

.article-body ol {
    padding-left: 0;
    margin: 16px 0 20px;
    list-style: none;
    counter-reset: article-counter;
}

.article-body ol li {
    padding: 8px 0 8px 40px;
    color: var(--text-secondary);
    font-size: 1rem;
    line-height: 1.7;
    position: relative;
    counter-increment: article-counter;
    border-bottom: 1px solid var(--glass-border);
    transition: background 0.2s ease;
}

.article-body ol li:last-child {
    border-bottom: none;
}

.article-body ol li:hover {
    background: rgba(0, 212, 170, 0.03);
}

.article-body ol li::before {
    content: counter(article-counter);
    position: absolute;
    left: 0;
    top: 8px;
    width: 28px;
    height: 28px;
    background: var(--gradient-main);
    color: #0a0f1e;
    font-weight: 700;
    font-size: 0.8rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.article-body ol li strong {
    color: #ffffff;
}

.article-body ul {
    padding-left: 0;
    margin: 16px 0 20px;
    list-style: none;
}

.article-body ul li {
    padding: 8px 0 8px 32px;
    color: var(--text-secondary);
    font-size: 1rem;
    line-height: 1.7;
    position: relative;
    border-bottom: 1px solid var(--glass-border);
    transition: background 0.2s ease;
}

.article-body ul li:last-child {
    border-bottom: none;
}

.article-body ul li:hover {
    background: rgba(0, 212, 170, 0.03);
}

.article-body ul li::before {
    content: '◆';
    position: absolute;
    left: 4px;
    top: 8px;
    color: var(--primary-light);
    font-size: 0.6rem;
    opacity: 0.6;
    transition: transform 0.3s ease;
}

.article-body ul li:hover::before {
    transform: scale(1.3);
    opacity: 1;
}

.article-body ul li strong {
    color: #ffffff;
}

.article-body .table-wrap {
    overflow-x: auto;
    margin: 20px 0 24px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--glass-border);
}

.article-body table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.92rem;
    min-width: 480px;
    background: rgba(0, 0, 0, 0.15);
}

.article-body table thead {
    background: var(--gradient-main);
}

.article-body table thead th {
    padding: 14px 20px;
    text-align: left;
    font-weight: 700;
    color: #0a0f1e;
    font-size: 0.85rem;
    letter-spacing: 0.5px;
    border-bottom: 2px solid rgba(0, 212, 170, 0.2);
}

.article-body table thead th:first-child {
    border-radius: var(--radius-sm) 0 0 0;
}

.article-body table thead th:last-child {
    border-radius: 0 var(--radius-sm) 0 0;
}

.article-body table tbody tr {
    transition: background 0.25s ease;
}

.article-body table tbody tr:hover {
    background: rgba(0, 212, 170, 0.06);
}

.article-body table tbody tr:nth-child(even) {
    background: rgba(255, 255, 255, 0.02);
}

.article-body table tbody tr:nth-child(even):hover {
    background: rgba(0, 212, 170, 0.06);
}

.article-body table tbody td {
    padding: 12px 20px;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--glass-border);
    font-size: 0.9rem;
    vertical-align: middle;
}

.article-body table tbody tr:last-child td {
    border-bottom: none;
}

.article-body table tbody td:first-child {
    font-weight: 600;
    color: #ffffff;
}

.article-body table .badge-success {
    display: inline-block;
    background: rgba(0, 212, 170, 0.15);
    color: var(--primary-light);
    font-size: 0.7rem;
    font-weight: 600;
    padding: 2px 12px;
    border-radius: 50px;
    border: 1px solid rgba(0, 212, 170, 0.2);
}

.article-body table .badge-warning {
    display: inline-block;
    background: rgba(245, 158, 11, 0.15);
    color: #fbbf24;
    font-size: 0.7rem;
    font-weight: 600;
    padding: 2px 12px;
    border-radius: 50px;
    border: 1px solid rgba(245, 158, 11, 0.2);
}

.article-body .article-divider {
    height: 1px;
    background: var(--glass-border);
    margin: 28px 0;
    position: relative;
}

.article-body .article-divider::after {
    content: '◆';
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    background: #111b2e;
    padding: 0 16px;
    color: var(--primary);
    font-size: 0.6rem;
    opacity: 0.3;
}

/* 分享区域 */
.share-section {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 16px;
    padding: 16px 0 8px;
    border-top: 1px solid var(--glass-border);
    margin-top: 8px;
}

.share-section .share-label {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.share-section .share-buttons {
    display: flex;
    gap: 10px;
}

.share-section .share-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 8px 22px;
    border-radius: 50px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    color: var(--text-secondary);
    font-size: 0.85rem;
    font-weight: 500;
    text-decoration: none;
    transition: all 0.3s ease;
    cursor: pointer;
    font-family: inherit;
}

.share-section .share-btn:hover {
    background: var(--gradient-main);
    color: #0a0f1e;
    border-color: transparent;
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(0, 212, 170, 0.3);
}

.share-section .share-btn .btn-icon {
    font-size: 1rem;
}

/* Toast 提示（新闻详情） */
.toast {
    position: fixed;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%) translateY(80px);
    background: rgba(10, 15, 30, 0.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: 50px;
    padding: 12px 28px;
    color: #ffffff;
    font-size: 0.9rem;
    font-weight: 500;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
    opacity: 0;
    transition: all 0.4s ease;
    z-index: 99999;
    pointer-events: none;
}

.toast.show {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

/* 返回列表 */
.back-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.3s ease;
}

.back-link:hover {
    color: var(--primary-light);
    transform: translateX(-4px);
}

/* 相关推荐 */
.related {
    margin-top: 32px;
}

.related .related-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.related .related-title .icon {
    font-size: 1.2rem;
}

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

.related-card {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    padding: 18px 20px;
    transition: all 0.35s ease;
    text-decoration: none;
    color: inherit;
    cursor: pointer;
}

.related-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
    border-color: rgba(0, 212, 170, 0.3);
}

.related-card .related-thumb {
    width: 100%;
    height: 120px;
    border-radius: var(--radius-sm);
    overflow: hidden;
    margin-bottom: 10px;
    background: var(--glass-bg);
}

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

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

.related-card .related-category {
    font-size: 0.55rem;
    font-weight: 600;
    color: var(--primary-light);
    background: rgba(0, 212, 170, 0.08);
    padding: 2px 10px;
    border-radius: 50px;
    border: 1px solid rgba(0, 212, 170, 0.12);
    display: inline-block;
    margin-bottom: 4px;
}

.related-card h5 {
    font-size: 0.9rem;
    font-weight: 600;
    color: #ffffff;
    margin-bottom: 2px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    line-height: 1.4;
}

.related-card .related-date {
    font-size: 0.7rem;
    color: var(--text-muted);
}

/* ============================================================
   响应式适配
   ============================================================ */

@media (max-width: 820px) {
    .container {
        padding: 0 20px;
    }

    .hamburger {
        display: flex;
    }

    .nav-links {
        display: none;
        flex-direction: column;
        width: 100%;
        padding: 16px 0 8px;
        gap: 8px;
        border-top: 1px solid var(--border-light);
        margin-top: 8px;
        background: rgba(10, 15, 30, 0.95);
        backdrop-filter: blur(16px);
        -webkit-backdrop-filter: blur(16px);
        border-radius: 0 0 var(--radius-sm) var(--radius-sm);
    }

    .nav-links.open {
        display: flex;
    }

    .nav-links li {
        width: 100%;
        text-align: center;
        padding: 4px 0;
    }

    .nav-links a {
        display: block;
        padding: 10px 16px;
        font-size: 1rem;
        border-radius: var(--radius-sm);
        transition: background 0.2s;
        white-space: normal;
    }

    .nav-links a:hover {
        background: rgba(0, 212, 170, 0.08);
    }

    .nav-links a.nav-download-btn {
        display: inline-block;
        padding: 10px 28px;
        margin: 4px auto 0;
        background: var(--gradient-main);
        color: #0a0f1e !important;
        border-radius: 50px;
    }

    .nav-links a.nav-download-btn:hover {
        background: var(--gradient-main);
        transform: scale(1.02);
    }

    .navbar {
        flex-wrap: wrap;
        padding: 12px 0;
        min-height: auto;
    }

    .hero {
        flex-direction: column;
        gap: 32px;
        padding: 32px 0 40px;
    }
    .hero-text { order: 1; }
    .hero-image { order: 2; }
    .hero-text h1 { font-size: 2.2rem; }

    .page-header h1 { font-size: 2.2rem; }

    .advantages-grid { grid-template-columns: repeat(2, 1fr); }
    .pricing-grid { grid-template-columns: 1fr; max-width: 420px; }
    .download-grid { grid-template-columns: repeat(2, 1fr); }
    .scenes-grid { grid-template-columns: repeat(2, 1fr); }
    .news-grid { grid-template-columns: repeat(2, 1fr); }
    .flow-steps { grid-template-columns: repeat(3, 1fr); }

    .download-section .download-grid { grid-template-columns: 1fr; max-width: 500px; }
    .download-section .download-card {
        flex-direction: row;
        padding: 24px 20px;
        gap: 16px;
        text-align: left;
    }
    .download-section .download-card .platform-icon {
        font-size: 2.6rem;
        width: 52px;
    }
    .download-section .download-card .download-btn {
        padding: 8px 18px;
        font-size: 0.8rem;
    }

    .steps-grid { grid-template-columns: 1fr; max-width: 420px; }
    .reviews-grid { grid-template-columns: 1fr; max-width: 420px; }
    .tips-grid { grid-template-columns: 1fr; }

    .overview-grid { grid-template-columns: 1fr; gap: 32px; }
    .overview-image img { aspect-ratio: 16/9; }

    .features-grid { grid-template-columns: repeat(2, 1fr); }
    .tech-grid { grid-template-columns: 1fr; }
    .tech-card { padding: 20px; }

    .compare-table-wrap { margin: 0 -8px; border-radius: var(--radius-sm); }
    .compare-table { font-size: 0.85rem; min-width: 500px; }
    .compare-table thead th,
    .compare-table tbody td { padding: 12px 14px; }

    .search-box {
        padding: 4px 4px 4px 18px;
    }
    .search-box input {
        font-size: 0.9rem;
        padding: 10px 0;
    }
    .search-box .search-btn {
        padding: 8px 20px;
        font-size: 0.8rem;
    }

    .categories .cat-btn {
        padding: 6px 18px;
        font-size: 0.8rem;
    }

    .support-card {
        padding: 32px 20px;
    }

    .news-item {
        flex-direction: column;
        padding: 16px;
    }
    .news-item .news-thumb {
        width: 100%;
        height: 160px;
    }

    .news-card .news-img {
        height: 140px;
        font-size: 2.8rem;
    }
    .news-card .news-img .big-letter {
        font-size: 4.2rem;
    }

    .article-header h1 { font-size: 2rem; }
    .article-body {
        padding: 28px 20px;
    }
    .article-body .featured-image { height: 180px; }
    .article-body p { font-size: 0.98rem; }
    .article-body table { font-size: 0.82rem; min-width: 400px; }
    .article-body table thead th,
    .article-body table tbody td { padding: 10px 14px; }

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

    .share-section {
        flex-direction: column;
        align-items: flex-start;
    }
    .share-section .share-btn {
        padding: 6px 18px;
        font-size: 0.8rem;
    }

    .section-title { font-size: 1.6rem; }
    .flow::before { display: none; }

    /* 移动端禁用悬停效果 */
    .card:hover,
    .advantage-item:hover,
    .pricing-card:hover,
    .download-card:hover,
    .scene-card:hover,
    .flow-step:hover,
    .faq-item:hover,
    .news-card:hover,
    .related-card:hover,
    .step-card:hover,
    .review-card:hover,
    .tips-card:hover,
    .support-card:hover,
    .tech-card:hover,
    .feature-card:hover,
    .overview-image:hover,
    .news-item:hover {
        transform: none !important;
    }
    .news-card:hover .news-img img,
    .news-card:hover .news-body .read-more,
    .related-card:hover .related-thumb img,
    .news-item:hover .news-thumb img,
    .news-item:hover .news-body .read-more {
        transform: none !important;
    }
    .btn-primary:hover,
    .btn-outline:hover,
    .search-box .search-btn:hover,
    .share-section .share-btn:hover,
    .nav-links a.nav-download-btn:hover {
        transform: none !important;
    }
}

@media (max-width: 600px) {
    .container {
        padding: 0 16px;
    }

    .breadcrumb {
        font-size: 0.75rem;
        padding: 12px 0 4px;
    }

    .page-header h1 { font-size: 1.8rem; }
    .page-header p { font-size: 0.95rem; }

    .hero-text h1 { font-size: 1.8rem; }

    .advantages-grid { grid-template-columns: 1fr; }
    .pricing-grid { max-width: 100%; }
    .download-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
    .scenes-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
    .news-grid { grid-template-columns: 1fr; gap: 16px; }
    .flow-steps { grid-template-columns: 1fr 1fr; }

    .download-section .download-grid { grid-template-columns: 1fr; }
    .download-section .download-card {
        flex-direction: column;
        text-align: center;
        padding: 24px 16px;
    }
    .download-section .download-card .platform-icon {
        font-size: 3rem;
        width: auto;
    }
    .download-section .download-card .info .version {
        justify-content: center;
    }
    .download-section .download-card .download-btn {
        width: 100%;
        text-align: center;
        padding: 12px;
    }

    .steps-grid { max-width: 100%; }
    .reviews-grid { max-width: 100%; }
    .tips-grid { grid-template-columns: 1fr; }

    .overview-text h2 { font-size: 1.5rem; }
    .overview-text p { font-size: 0.95rem; }
    .overview-image img { aspect-ratio: 4/3; }

    .features-grid { grid-template-columns: 1fr; max-width: 400px; margin: 0 auto; }
    .tech-grid { grid-template-columns: 1fr; }
    .tech-card { flex-direction: column; align-items: center; text-align: center; }

    .compare-table { font-size: 0.8rem; min-width: 420px; }
    .compare-table thead th,
    .compare-table tbody td { padding: 10px 10px; }

    .search-box {
        padding: 4px 4px 4px 14px;
        flex-wrap: wrap;
        border-radius: var(--radius-md);
    }
    .search-box .search-icon { font-size: 1rem; }
    .search-box input {
        font-size: 0.85rem;
        padding: 10px 0;
        min-width: 100px;
    }
    .search-box .search-btn {
        padding: 8px 18px;
        font-size: 0.8rem;
        width: 100%;
        border-radius: var(--radius-sm);
        margin-top: 4px;
    }

    .categories { gap: 8px; }
    .categories .cat-btn {
        padding: 5px 14px;
        font-size: 0.75rem;
    }

    .support-card { padding: 24px 16px; }
    .support-card .support-links {
        flex-direction: column;
        align-items: center;
        gap: 12px;
    }

    .news-item .news-thumb { height: 130px; }
    .news-item .news-body h4 { font-size: 0.95rem; }
    .news-item .news-body p { font-size: 0.85rem; }

    .news-card .news-img {
        height: 120px;
        font-size: 2.4rem;
    }
    .news-card .news-img .big-letter { font-size: 3.6rem; }
    .news-card .news-body h4 { font-size: 0.9rem; }
    .news-card .news-body p { font-size: 0.8rem; }

    .pagination { gap: 4px; }
    .pagination .page-btn {
        padding: 6px 12px;
        font-size: 0.8rem;
        min-width: 34px;
    }
    .pagination .page-btn.arrow { padding: 6px 12px; }

    .cta h2 { font-size: 1.5rem; }
    .cta .btn-group {
        flex-direction: column;
        align-items: center;
    }
    .hero-actions {
        flex-direction: column;
        width: 100%;
    }
    .hero-actions .btn-primary,
    .hero-actions .btn-outline {
        text-align: center;
        width: 100%;
    }

    .article-header h1 { font-size: 1.6rem; }
    .article-header .article-meta {
        font-size: 0.75rem;
        gap: 10px;
    }
    .article-body {
        padding: 20px 16px;
    }
    .article-body .featured-image { height: 140px; }
    .article-body .featured-image .watermark {
        font-size: 0.5rem;
        padding: 3px 12px;
        bottom: 10px;
        right: 12px;
    }
    .article-body p {
        font-size: 0.92rem;
        line-height: 1.8;
    }
    .article-body h2 {
        font-size: 1.2rem;
        padding-left: 10px;
    }
    .article-body ol li {
        padding: 6px 0 6px 34px;
        font-size: 0.9rem;
    }
    .article-body ol li::before {
        width: 24px;
        height: 24px;
        font-size: 0.7rem;
        top: 6px;
    }
    .article-body ul li {
        padding: 6px 0 6px 28px;
        font-size: 0.9rem;
    }
    .article-body ul li::before { top: 6px; }
    .article-body table {
        font-size: 0.75rem;
        min-width: 320px;
    }
    .article-body table thead th,
    .article-body table tbody td {
        padding: 8px 10px;
    }

    .related-grid { grid-template-columns: 1fr; gap: 14px; }
    .related-card .related-thumb { height: 70px; }

    .share-section .share-buttons { gap: 8px; }
    .share-section .share-btn {
        padding: 6px 16px;
        font-size: 0.75rem;
    }
    .share-section .share-btn .btn-icon { font-size: 0.85rem; }

    .toast {
        font-size: 0.8rem;
        padding: 10px 20px;
        bottom: 20px;
    }

    .footer-links { gap: 16px; }
    .nav-links a { font-size: 0.95rem; padding: 8px 12px; }
    .list-info { font-size: 0.7rem; margin-bottom: 16px; }

    /* 移动端禁用悬停效果 */
    .card:hover,
    .advantage-item:hover,
    .pricing-card:hover,
    .download-card:hover,
    .scene-card:hover,
    .flow-step:hover,
    .faq-item:hover,
    .news-card:hover,
    .related-card:hover,
    .step-card:hover,
    .review-card:hover,
    .tips-card:hover,
    .support-card:hover,
    .tech-card:hover,
    .feature-card:hover,
    .overview-image:hover,
    .news-item:hover,
    .news-card:hover .news-img img,
    .news-card:hover .news-body .read-more,
    .related-card:hover .related-thumb img,
    .news-item:hover .news-thumb img,
    .news-item:hover .news-body .read-more,
    .btn-primary:hover,
    .btn-outline:hover,
    .search-box .search-btn:hover,
    .share-section .share-btn:hover,
    .nav-links a.nav-download-btn:hover {
        transform: none !important;
    }
}

@media (min-width: 821px) {
    .nav-links {
        display: flex !important;
    }
    .hamburger {
        display: none !important;
    }
}