/* ====================================================================
   VideoPayphone Theme - Main Stylesheet
   科技蓝专业风格 | 响应式布局
   ==================================================================== */

/* ====================================================================
   1. 导航栏 Header
   ==================================================================== */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.06);
    transition: all 0.3s ease;
}
.site-header.scrolled {
    box-shadow: 0 4px 20px rgba(10, 77, 168, 0.12);
}

.site-header .navbar {
    padding: 12px 0;
}

.site-header .navbar > .container-custom {
    display: flex;
    flex-wrap: inherit;
    align-items: center;
    justify-content: space-between;
}

.navbar-brand {
    padding: 0;
    margin: 0;
    margin-right: 15px;
    line-height: 1;
}

.brand-logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
    text-decoration: none;
}
.brand-logo-img {
    height: 45px !important;
    width: auto !important;
    max-height: 45px !important;
    display: block;
}

.brand-logo:hover { color: var(--color-primary); }

.brand-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    color: #fff;
    border-radius: 8px;
    font-size: 1.2rem;
}

.brand-text small {
    font-size: 0.55em;
    color: var(--color-text-muted);
    font-weight: 400;
    display: block;
    margin-top: -4px;
}

.navbar-nav .nav-link {
    color: var(--color-text) !important;
    font-weight: 500;
    padding: 8px 18px !important;
    position: relative;
    transition: var(--transition);
}
.navbar-nav .nav-link::after {
    content: '';
    position: absolute;
    bottom: 2px;
    left: 18px;
    right: 18px;
    height: 2px;
    background: var(--color-accent);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}
.navbar-nav .nav-link:hover::after,
.navbar-nav .nav-link.active::after {
    transform: scaleX(1);
}
.navbar-nav .nav-link:hover {
    color: var(--color-primary) !important;
}

.nav-lang-wrap {
    margin-left: 15px;
    display: flex;
    align-items: center;
}

.lang-switcher {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 0.9rem;
    font-weight: 600;
}
.lang-switcher a {
    color: var(--color-text-muted);
    padding: 4px 8px;
    border-radius: 4px;
    transition: var(--transition);
}
.lang-switcher a.active {
    color: var(--color-primary);
    background: rgba(10, 77, 168, 0.08);
}
.lang-divider {
    color: var(--color-text-light);
    font-size: 0.8rem;
}

.btn-nav-cta {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 20px;
    background: var(--color-primary);
    color: #fff !important;
    border-radius: var(--radius-btn);
    font-weight: 600;
    font-size: 0.9rem;
    text-decoration: none;
    margin-left: 15px;
    transition: var(--transition);
}
.btn-nav-cta:hover {
    background: var(--color-primary-dark);
    color: #fff;
    transform: translateY(-1px);
}

.navbar-toggler {
    border: 1px solid var(--color-border);
    padding: 6px 10px;
}
.navbar-toggler:focus { box-shadow: none; }

/* ====================================================================
   2. Hero 首页横幅
   ==================================================================== */
.hero-section {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: var(--color-dark-bg);
    overflow: hidden;
    padding-top: 80px;
}

.hero-bg-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        linear-gradient(135deg, rgba(14, 30, 58, 0.95) 0%, rgba(10, 77, 168, 0.85) 100%),
        url('../images/hero-bg.png') center/cover no-repeat;
}

.hero-particles {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image:
        radial-gradient(circle at 20% 30%, rgba(0, 180, 255, 0.1) 0%, transparent 40%),
        radial-gradient(circle at 80% 70%, rgba(10, 77, 168, 0.15) 0%, transparent 40%);
}

.hero-content {
    position: relative;
    z-index: 2;
    color: #fff;
    display: flex;
    align-items: center;
    gap: 60px;
    animation: heroFadeIn 1s ease;
}

.hero-text {
    flex: 1;
    max-width: 600px;
}

.hero-product-img {
    flex: 0 0 auto;
    width: 380px;
}

.hero-product-img img {
    width: 100%;
    height: auto;
    filter: drop-shadow(0 20px 40px rgba(0, 0, 0, 0.4));
    animation: heroFloat 4s ease-in-out infinite;
}

@keyframes heroFloat {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-15px); }
}

@keyframes heroFadeIn {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

.hero-subtitle {
    font-size: 1.1rem;
    color: var(--color-accent);
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 10px;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 20px;
}

.hero-desc {
    font-size: 1.15rem;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 35px;
}

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

.hero-scroll-down {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    color: rgba(255, 255, 255, 0.5);
    font-size: 1.5rem;
    animation: bounceDown 2s infinite;
    z-index: 2;
}
@keyframes bounceDown {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(10px); }
}

/* ====================================================================
   3. 产品亮点卡片
   ==================================================================== */
.highlight-card {
    background: #fff;
    border-radius: var(--radius-card);
    padding: 35px 25px;
    text-align: center;
    box-shadow: var(--shadow-card);
    transition: var(--transition);
    height: 100%;
    border: 1px solid var(--color-border);
}
.highlight-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-hover);
    border-color: var(--color-accent);
}

.highlight-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(10, 77, 168, 0.1), rgba(0, 180, 255, 0.1));
    color: var(--color-primary);
    border-radius: 50%;
    font-size: 1.8rem;
    transition: var(--transition);
}
.highlight-card:hover .highlight-icon {
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    color: #fff;
}

.highlight-card h3 {
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 10px;
}
.highlight-card p {
    font-size: 0.92rem;
    color: var(--color-text-muted);
    line-height: 1.6;
}

/* ====================================================================
   4. 核心功能
   ==================================================================== */
.feature-item {
    display: flex;
    flex-direction: column;
    padding: 30px;
    background: #fff;
    border-radius: var(--radius-card);
    box-shadow: var(--shadow-card);
    transition: var(--transition);
    height: 100%;
    position: relative;
    overflow: hidden;
}
.feature-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
    transform: scaleX(0);
    transition: transform 0.3s ease;
}
.feature-item:hover::before { transform: scaleX(1); }
.feature-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.feature-num {
    font-size: 3rem;
    font-weight: 800;
    color: rgba(10, 77, 168, 0.08);
    line-height: 1;
    margin-bottom: -20px;
}

.feature-icon {
    font-size: 1.8rem;
    color: var(--color-primary);
    margin-bottom: 12px;
}

.feature-item h3 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 8px;
}
.feature-item p {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    line-height: 1.6;
}

/* ====================================================================
   5. 技术参数概览 (深色背景)
   ==================================================================== */
.specs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 25px;
    margin-top: 20px;
}

.spec-item {
    text-align: center;
    padding: 25px 15px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-card);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: var(--transition);
}
.spec-item:hover {
    background: rgba(0, 180, 255, 0.1);
    border-color: var(--color-accent);
    transform: translateY(-5px);
}

.spec-icon {
    font-size: 2rem;
    color: var(--color-accent);
    margin-bottom: 12px;
}

.spec-value {
    font-size: 1rem;
    font-weight: 600;
    color: #fff;
}

/* ====================================================================
   6. 应用场景卡片
   ==================================================================== */
.scenario-card {
    background: #fff;
    border-radius: var(--radius-card);
    overflow: hidden;
    box-shadow: var(--shadow-card);
    transition: var(--transition);
    height: 100%;
}
.scenario-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-hover);
}

.scenario-img {
    height: 200px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
    color: rgba(255, 255, 255, 0.3);
    overflow: hidden;
}

.scenario-img-real {
    background: none;
    padding: 0;
}

.scenario-img-real img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.scenario-body {
    padding: 25px;
}
.scenario-body h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 10px;
}
.scenario-body p {
    font-size: 0.92rem;
    color: var(--color-text-muted);
    line-height: 1.7;
}

/* ====================================================================
   7. CTA 行动号召区
   ==================================================================== */
.cta-section {
    position: relative;
    padding: 80px 0;
    background: var(--color-dark-bg);
    overflow: hidden;
}
.cta-bg-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(circle at 30% 50%, rgba(0, 180, 255, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 70% 50%, rgba(10, 77, 168, 0.2) 0%, transparent 50%);
}

.cta-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: #fff;
    max-width: 700px;
    margin: 0 auto;
}
.cta-content h2 {
    font-size: 2.2rem;
    font-weight: 700;
    margin-bottom: 15px;
}
.cta-content p {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 30px;
}
.btn-custom-primary.btn-lg {
    padding: 14px 40px;
    font-size: 1.1rem;
}

/* ====================================================================
   8. 页面 Hero (内页顶部)
   ==================================================================== */
.page-hero {
    position: relative;
    padding: 140px 0 60px;
    background: var(--color-dark-bg);
    overflow: hidden;
}
.page-hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        linear-gradient(135deg, rgba(14, 30, 58, 0.9), rgba(10, 77, 168, 0.7)),
        url('../images/hero-bg.png') center/cover no-repeat;
}

.page-hero-content {
    position: relative;
    z-index: 2;
    color: #fff;
    text-align: center;
}

.product-hero-layout {
    display: flex;
    align-items: center;
    gap: 50px;
    text-align: left;
}

.product-hero-text {
    flex: 1;
}

.product-hero-img {
    flex: 0 0 auto;
    width: 300px;
}

.product-hero-img img {
    width: 100%;
    height: auto;
    filter: drop-shadow(0 15px 30px rgba(0, 0, 0, 0.4));
}

.page-hero-subtitle {
    font-size: 1rem;
    color: var(--color-accent);
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 8px;
}

.page-hero-title {
    font-size: 2.8rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.page-hero-desc {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.75);
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.8;
}

/* ====================================================================
   9. 产品页 - 技术规格表
   ==================================================================== */
.spec-table-wrap {
    overflow-x: auto;
    border-radius: var(--radius-card);
    box-shadow: var(--shadow-card);
}

.spec-table {
    width: 100%;
    border-collapse: collapse;
    background: #fff;
    min-width: 600px;
}
.spec-table th,
.spec-table td {
    padding: 14px 20px;
    text-align: left;
    border-bottom: 1px solid var(--color-border);
}
.spec-table th {
    width: 35%;
    font-weight: 600;
    color: var(--color-text);
    background: var(--color-bg-alt);
}
.spec-table td {
    color: var(--color-text-muted);
}
.spec-group-row td {
    background: var(--color-primary);
    color: #fff !important;
    font-weight: 700;
    font-size: 1rem;
    padding: 12px 20px;
}
.spec-group-row td i {
    margin-right: 8px;
}

/* 功能列表项 */
.feature-list-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 20px;
    background: #fff;
    border-radius: var(--radius-card);
    box-shadow: var(--shadow-card);
    transition: var(--transition);
    height: 100%;
}
.feature-list-item:hover {
    transform: translateX(5px);
    box-shadow: var(--shadow-hover);
}
.feature-list-icon {
    flex-shrink: 0;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    color: #fff;
    border-radius: 10px;
    font-size: 1.2rem;
}
.feature-list-text h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 5px;
}
.feature-list-text p {
    font-size: 0.88rem;
    color: var(--color-text-muted);
    line-height: 1.5;
}

/* ====================================================================
   10. NMS 管理系统可视化
   ==================================================================== */
.nms-dashboard {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-card);
    overflow: hidden;
}
.nms-dash-header {
    padding: 12px 16px;
    display: flex;
    gap: 6px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}
.nms-dash-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
}
.nms-dash-dot:first-child { background: #ff5f57; }
.nms-dash-dot:nth-child(2) { background: #ffbd2e; }
.nms-dash-dot:nth-child(3) { background: #28ca42; }

.nms-dash-body {
    padding: 25px;
}
.nms-stat {
    text-align: center;
    margin-bottom: 20px;
}
.nms-stat-num {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--color-accent);
}
.nms-stat-label {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.5);
}

.nms-chart-bars {
    display: flex;
    align-items: flex-end;
    gap: 8px;
    height: 80px;
}
.nms-chart-bars .bar {
    flex: 1;
    background: linear-gradient(180deg, var(--color-accent), var(--color-primary));
    border-radius: 3px 3px 0 0;
    opacity: 0.8;
    animation: barGrow 1s ease;
}

@keyframes barGrow {
    from { height: 0; }
}

.nms-dashboard-img {
    width: 100%;
    height: auto;
    border-radius: var(--radius-card);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.nms-features {
    list-style: none;
    padding: 0;
    margin: 20px 0;
}
.nms-features li {
    padding: 8px 0;
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.95rem;
}
.nms-features li i {
    color: var(--color-accent);
    margin-right: 10px;
}

.nms-note {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.4);
    font-style: italic;
}

/* 产品优势卡 */
.adv-card {
    text-align: center;
    padding: 30px 20px;
    background: #fff;
    border-radius: var(--radius-card);
    box-shadow: var(--shadow-card);
    transition: var(--transition);
    height: 100%;
    border-top: 4px solid var(--color-accent);
}
.adv-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-hover);
}
.adv-icon {
    font-size: 2.5rem;
    color: var(--color-primary);
    margin-bottom: 15px;
}
.adv-card h3 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 8px;
}
.adv-card p {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    line-height: 1.6;
}

/* ====================================================================
   11. 解决方案页
   ==================================================================== */
.solution-block {
    padding: 20px 0;
}
.solution-visual {
    position: relative;
    height: 320px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(10, 77, 168, 0.08), rgba(0, 180, 255, 0.08));
    border-radius: var(--radius-card);
    overflow: hidden;
}
.solution-visual-icon {
    font-size: 6rem;
    color: var(--color-primary);
    opacity: 0.6;
    z-index: 1;
}
.solution-visual-deco {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 80px;
    height: 80px;
    border: 3px solid rgba(10, 77, 168, 0.15);
    border-radius: 50%;
}
.solution-visual-deco::after {
    content: '';
    position: absolute;
    top: 15px;
    left: 15px;
    right: 15px;
    bottom: 15px;
    border: 2px solid rgba(0, 180, 255, 0.2);
    border-radius: 50%;
}

.solution-visual-real {
    background: none;
    height: auto;
}

.solution-visual-real img {
    width: 100%;
    height: auto;
    border-radius: var(--radius-card);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.solution-title {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 25px;
}

.solution-item {
    margin-bottom: 20px;
    padding: 18px;
    background: #fff;
    border-radius: var(--radius-card);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.04);
    border-left: 4px solid var(--color-accent);
}
.solution-item-label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 8px;
    font-size: 0.95rem;
}
.solution-item-label i {
    color: var(--color-accent);
}
.solution-item p {
    color: var(--color-text-muted);
    font-size: 0.92rem;
    line-height: 1.7;
    margin: 0;
}

/* ====================================================================
   12. 关于我们页
   ==================================================================== */
.about-section-title {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 20px;
}
.about-intro-text p {
    color: var(--color-text-muted);
    line-height: 1.9;
    margin-bottom: 15px;
    font-size: 0.98rem;
}

.about-intro-image {
    margin-bottom: 20px;
}

.about-company-img {
    width: 100%;
    height: auto;
    border-radius: var(--radius-card);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.about-intro-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}
.about-stat-card {
    text-align: center;
    padding: 25px 15px;
    background: #fff;
    border-radius: var(--radius-card);
    box-shadow: var(--shadow-card);
    transition: var(--transition);
}
.about-stat-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}
.about-stat-num {
    font-size: 2.2rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.about-stat-label {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    margin-top: 5px;
}

/* 时间线 */
.timeline {
    position: relative;
    padding: 20px 0;
}
.timeline-line {
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 3px;
    background: linear-gradient(180deg, var(--color-primary), var(--color-accent));
    transform: translateX(-50%);
}
.timeline-items {
    position: relative;
}
.timeline-item {
    position: relative;
    width: 50%;
    padding: 0 40px 40px 0;
    text-align: right;
}
.timeline-item:nth-child(even) {
    margin-left: 50%;
    padding: 0 0 40px 40px;
    text-align: left;
}
.timeline-dot {
    position: absolute;
    top: 5px;
    right: -8px;
    width: 16px;
    height: 16px;
    background: var(--color-accent);
    border: 3px solid #fff;
    border-radius: 50%;
    box-shadow: 0 0 0 3px var(--color-primary);
    z-index: 2;
}
.timeline-item:nth-child(even) .timeline-dot {
    right: auto;
    left: -8px;
}
.timeline-year {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--color-primary);
    margin-bottom: 5px;
}
.timeline-content {
    background: #fff;
    padding: 18px;
    border-radius: var(--radius-card);
    box-shadow: var(--shadow-card);
    display: inline-block;
}
.timeline-content h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 5px;
}
.timeline-content p {
    font-size: 0.88rem;
    color: var(--color-text-muted);
    margin: 0;
}

/* 荣誉卡片 */
.awards-image-wrap {
    display: flex;
    align-items: center;
}

.awards-image {
    width: 100%;
    height: auto;
    border-radius: var(--radius-card);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.award-card {
    display: flex;
    gap: 20px;
    padding: 25px;
    background: #fff;
    border-radius: var(--radius-card);
    box-shadow: var(--shadow-card);
    transition: var(--transition);
    height: 100%;
}
.award-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}
.award-icon {
    flex-shrink: 0;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #ffd700, #ff9500);
    color: #fff;
    border-radius: 50%;
    font-size: 1.5rem;
}
.award-body h3 {
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 8px;
}
.award-body p {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    line-height: 1.6;
}

/* 全球市场 */
/* 全球市场地图 */
.market-map-wrap {
    max-width: 800px;
    margin: 0 auto 30px;
    border-radius: var(--radius-card);
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
}

.market-map-img {
    width: 100%;
    height: auto;
    display: block;
}

.market-content {
    text-align: center;
}
.market-desc {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.7);
    max-width: 700px;
    margin: 0 auto 40px;
    line-height: 1.8;
}
.market-regions {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px;
}
.market-region {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    background: rgba(255, 255, 255, 0.08);
    border-radius: 30px;
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.95rem;
    transition: var(--transition);
}
.market-region:hover {
    background: rgba(0, 180, 255, 0.2);
    border-color: var(--color-accent);
}
.market-region i {
    font-size: 1.2rem;
    color: var(--color-accent);
}

/* 企业愿景 */
.vision-section {
    background: linear-gradient(135deg, var(--color-bg-alt), #fff);
}
.vision-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}
.vision-quote-mark {
    font-size: 3rem;
    color: var(--color-accent);
    opacity: 0.3;
    margin-bottom: 15px;
}
.vision-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 20px;
    font-style: italic;
}
.vision-desc {
    font-size: 1.05rem;
    color: var(--color-text-muted);
    line-height: 1.9;
}

/* ====================================================================
   13. 联系/询盘表单
   ==================================================================== */
.inquiry-form-wrap {
    background: #fff;
    padding: 35px;
    border-radius: var(--radius-card);
    box-shadow: var(--shadow-card);
}

.form-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 8px;
}
.form-subtitle {
    color: var(--color-text-muted);
    margin-bottom: 25px;
    font-size: 0.95rem;
}

.inquiry-form .form-group {
    margin-bottom: 18px;
}
.inquiry-form label {
    display: block;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 6px;
    font-size: 0.9rem;
}
.inquiry-form .required {
    color: var(--color-danger);
}
.inquiry-form .form-control {
    width: 100%;
    padding: 10px 14px;
    border: 2px solid var(--color-border);
    border-radius: var(--radius-btn);
    font-size: 0.95rem;
    transition: var(--transition);
    font-family: inherit;
}
.inquiry-form .form-control:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(10, 77, 168, 0.1);
}
.inquiry-form textarea.form-control {
    resize: vertical;
}

.form-actions {
    margin-top: 10px;
}

.inquiry-alert {
    margin-top: 15px;
    padding: 12px 18px;
    border-radius: var(--radius-btn);
    font-size: 0.92rem;
}
.inquiry-alert.success {
    background: rgba(40, 167, 69, 0.1);
    color: var(--color-success);
    border: 1px solid rgba(40, 167, 69, 0.3);
}
.inquiry-alert.error {
    background: rgba(220, 53, 69, 0.1);
    color: var(--color-danger);
    border: 1px solid rgba(220, 53, 69, 0.3);
}

/* 联系方式区 */
.contact-info-wrap {
    background: var(--color-dark-bg);
    padding: 35px;
    border-radius: var(--radius-card);
    color: #fff;
    height: 100%;
}

.contact-info-list {
    margin: 25px 0;
}
.contact-info-item {
    display: flex;
    gap: 16px;
    padding: 18px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}
.contact-info-item:last-child { border-bottom: none; }
.contact-info-icon {
    flex-shrink: 0;
    width: 45px;
    height: 45px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 180, 255, 0.15);
    color: var(--color-accent);
    border-radius: 10px;
    font-size: 1.1rem;
}
.contact-info-detail h4 {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.5);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 4px;
}
.contact-info-detail p {
    color: #fff;
    font-size: 0.95rem;
    margin: 0;
}
.contact-info-detail a {
    color: #fff;
}
.contact-info-detail a:hover {
    color: var(--color-accent);
}

.domestic-partner {
    margin-top: 25px;
    padding: 18px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-btn);
}
.domestic-partner h4 {
    font-size: 0.9rem;
    color: var(--color-accent);
    margin-bottom: 8px;
}
.domestic-partner p {
    font-size: 0.88rem;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 4px;
}
.domestic-partner a {
    color: rgba(255, 255, 255, 0.9);
}

.contact-social {
    display: flex;
    gap: 12px;
    margin-top: 20px;
}
.contact-social a {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
    border-radius: 50%;
    font-size: 1rem;
    transition: var(--transition);
}
.contact-social a:hover {
    background: var(--color-accent);
    transform: translateY(-3px);
}

.map-wrap {
    border-radius: var(--radius-card);
    overflow: hidden;
    box-shadow: var(--shadow-card);
}

/* ====================================================================
   14. Footer 底部
   ==================================================================== */
.site-footer {
    background: var(--color-dark-bg);
    color: rgba(255, 255, 255, 0.7);
}

.footer-main {
    padding: 60px 0 40px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 1.4rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 15px;
}

.footer-logo-img {
    height: 40px;
    width: auto;
    display: block;
    filter: brightness(0) invert(1);
}

.footer-desc {
    font-size: 0.88rem;
    line-height: 1.7;
    margin-bottom: 18px;
}

.footer-social {
    display: flex;
    gap: 10px;
}
.footer-social a {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
    border-radius: 50%;
    font-size: 0.9rem;
    transition: var(--transition);
}
.footer-social a:hover {
    background: var(--color-accent);
    transform: translateY(-3px);
}

.footer-widget-title {
    color: #fff;
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 18px;
}

.footer-links,
.footer-contact {
    list-style: none;
    padding: 0;
}
.footer-links li,
.footer-contact li {
    padding: 5px 0;
    font-size: 0.88rem;
}
.footer-links a,
.footer-contact a {
    color: rgba(255, 255, 255, 0.6);
    transition: var(--transition);
}
.footer-links a:hover,
.footer-contact a:hover {
    color: var(--color-accent);
    padding-left: 4px;
}
.footer-contact li {
    display: flex;
    align-items: flex-start;
    gap: 8px;
}
.footer-contact li i {
    color: var(--color-accent);
    margin-top: 4px;
}

.footer-bottom {
    padding: 20px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}
.footer-bottom-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
    font-size: 0.82rem;
}
.footer-bottom-content a {
    color: rgba(255, 255, 255, 0.5);
}
.footer-bottom-content a:hover {
    color: var(--color-accent);
}
.icp-divider {
    margin: 0 10px;
    color: rgba(255, 255, 255, 0.3);
}

/* ====================================================================
   15. 回到顶部按钮
   ==================================================================== */
#back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 45px;
    height: 45px;
    background: var(--color-primary);
    color: #fff;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    font-size: 1.1rem;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 999;
    box-shadow: 0 4px 15px rgba(10, 77, 168, 0.3);
}
#back-to-top.visible {
    opacity: 1;
    visibility: visible;
}
#back-to-top:hover {
    background: var(--color-accent);
    transform: translateY(-3px);
}

/* ====================================================================
   16. 404 页面
   ==================================================================== */
.error-404-section {
    min-height: 70vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
    background: var(--color-bg-alt);
}
.error-404-content {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}
.error-404-number {
    font-size: 8rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
}
.error-404-subtitle {
    font-size: 1.5rem;
    color: var(--color-text);
    margin: 15px 0 10px;
}
.error-404-desc {
    color: var(--color-text-muted);
    margin-bottom: 30px;
}

/* ====================================================================
   17. 文章列表
   ==================================================================== */
.post-card {
    background: #fff;
    border-radius: var(--radius-card);
    overflow: hidden;
    box-shadow: var(--shadow-card);
    margin-bottom: 25px;
    transition: var(--transition);
}
.post-card:hover {
    box-shadow: var(--shadow-hover);
}
.post-card-thumb {
    overflow: hidden;
}
.post-card-thumb img {
    width: 100%;
    transition: transform 0.5s ease;
}
.post-card:hover .post-card-thumb img {
    transform: scale(1.05);
}
.post-card-body {
    padding: 22px;
}
.post-card-meta {
    display: flex;
    gap: 15px;
    font-size: 0.82rem;
    color: var(--color-text-light);
    margin-bottom: 10px;
}
.post-card-title {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 10px;
}
.post-card-title a {
    color: var(--color-text);
}
.post-card-title a:hover {
    color: var(--color-primary);
}
.post-card-excerpt {
    color: var(--color-text-muted);
    font-size: 0.9rem;
    margin-bottom: 12px;
}
.post-card-more {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--color-primary);
}
.post-card-more:hover {
    color: var(--color-accent);
}

.pagination-wrap {
    margin-top: 30px;
    text-align: center;
}
.pagination .page-numbers {
    display: inline-block;
    padding: 8px 14px;
    margin: 0 3px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-btn);
    color: var(--color-text);
    text-decoration: none;
    transition: var(--transition);
}
.pagination .page-numbers:hover,
.pagination .page-numbers.current {
    background: var(--color-primary);
    color: #fff;
    border-color: var(--color-primary);
}

/* ====================================================================
   18. 侧边栏
   ==================================================================== */
.sidebar .widget {
    background: #fff;
    padding: 22px;
    border-radius: var(--radius-card);
    box-shadow: var(--shadow-card);
    margin-bottom: 20px;
}
.widget-title {
    font-size: 1.1rem;
    color: var(--color-primary);
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--color-bg-alt);
}

/* ====================================================================
   19. APP 下载页
   ==================================================================== */
/* APP 展示卡 */
.app-showcase {
    background: #fff;
    border-radius: var(--radius-card);
    padding: 40px 30px;
    box-shadow: var(--shadow-card);
    text-align: center;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.app-showcase-icon {
    width: 90px;
    height: 90px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #3ddc84, #00c853);
    color: #fff;
    border-radius: 22px;
    font-size: 2.5rem;
    margin-bottom: 20px;
    box-shadow: 0 8px 25px rgba(61, 220, 132, 0.3);
}

.app-showcase-name {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 12px;
}

.app-showcase-desc {
    font-size: 0.92rem;
    color: var(--color-text-muted);
    line-height: 1.7;
    margin-bottom: 20px;
}

.app-spec-list {
    list-style: none;
    padding: 0;
    margin: 0;
    width: 100%;
    text-align: left;
}

.app-spec-list li {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 0;
    border-bottom: 1px solid var(--color-border);
    font-size: 0.9rem;
}

.app-spec-list li:last-child {
    border-bottom: none;
}

.app-spec-label {
    color: var(--color-text-muted);
}

.app-spec-label i {
    color: var(--color-primary);
    width: 16px;
    text-align: center;
    margin-right: 6px;
}

.app-spec-value {
    font-weight: 600;
    color: var(--color-text);
}

/* 使用指南 */
.download-guide {
    background: #fff;
    border-radius: var(--radius-card);
    padding: 35px 30px;
    box-shadow: var(--shadow-card);
    height: 100%;
}

.download-guide h3 {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 25px;
    display: flex;
    align-items: center;
}

.download-guide h3 i {
    margin-right: 10px;
    color: var(--color-accent);
}

.guide-steps {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.guide-step {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.guide-step-num {
    flex-shrink: 0;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    color: #fff;
    border-radius: 50%;
    font-weight: 700;
    font-size: 0.95rem;
}

.guide-step-text h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 4px;
}

.guide-step-text p {
    font-size: 0.88rem;
    color: var(--color-text-muted);
    line-height: 1.6;
    margin: 0;
}

/* 下载卡片 */
.dl-card {
    background: #fff;
    border-radius: var(--radius-card);
    padding: 30px;
    box-shadow: var(--shadow-card);
    transition: var(--transition);
    height: 100%;
    border: 2px solid transparent;
    text-align: center;
}

.dl-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-hover);
}

.dl-card-domestic:hover {
    border-color: #e74c3c;
}

.dl-card-intl:hover {
    border-color: var(--color-primary);
}

.dl-card-header {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 14px;
    text-align: left;
}

.dl-card-icon {
    flex-shrink: 0;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    font-size: 1.3rem;
}

.dl-card-domestic .dl-card-icon {
    background: rgba(231, 76, 60, 0.1);
    color: #e74c3c;
}

.dl-card-intl .dl-card-icon {
    background: rgba(10, 77, 168, 0.1);
    color: var(--color-primary);
}

.dl-card-header h3 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 2px;
}

.dl-card-tag {
    font-size: 0.78rem;
    color: var(--color-text-light);
    margin: 0;
}

.dl-card-desc {
    font-size: 0.88rem;
    color: var(--color-text-muted);
    line-height: 1.6;
    margin-bottom: 20px;
}

.btn-download-lg {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 32px;
    border-radius: var(--radius-btn);
    font-weight: 700;
    font-size: 1rem;
    text-decoration: none;
    transition: var(--transition);
    width: 100%;
    justify-content: center;
}

.dl-card-domestic .btn-download-lg {
    background: #e74c3c;
    color: #fff;
}

.dl-card-domestic .btn-download-lg:hover {
    background: #c0392b;
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(231, 76, 60, 0.3);
}

.dl-card-intl .btn-download-lg {
    background: var(--color-primary);
    color: #fff;
}

.dl-card-intl .btn-download-lg:hover {
    background: var(--color-primary-dark);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(10, 77, 168, 0.3);
}

.dl-card-speed {
    margin-top: 12px;
    font-size: 0.8rem;
    color: var(--color-text-light);
}

.dl-card-speed i {
    margin-right: 4px;
}

/* 安装提示 */
.download-tips {
    margin-top: 40px;
    background: rgba(0, 180, 255, 0.05);
    border: 1px solid rgba(0, 180, 255, 0.15);
    border-radius: var(--radius-card);
    padding: 25px 30px;
}

.download-tips h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 12px;
}

.download-tips h4 i {
    color: var(--color-accent);
    margin-right: 8px;
}

.download-tips ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.download-tips ul li {
    padding: 6px 0;
    font-size: 0.9rem;
    color: var(--color-text-muted);
    padding-left: 20px;
    position: relative;
}

.download-tips ul li::before {
    content: '•';
    position: absolute;
    left: 4px;
    color: var(--color-accent);
    font-weight: 700;
}

/* FAQ */
.faq-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.faq-item {
    background: #fff;
    border-radius: var(--radius-card);
    padding: 22px 25px;
    box-shadow: var(--shadow-card);
    border-left: 4px solid var(--color-accent);
}

.faq-item h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.faq-item h4 i {
    color: var(--color-accent);
}

.faq-item p {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    line-height: 1.7;
    margin: 0;
    padding-left: 24px;
}

/* ====================================================================
   20. 响应式适配
   ==================================================================== */
@media (max-width: 991px) {
    .hero-title { font-size: 2.5rem; }
    .page-hero-title { font-size: 2rem; }
    .page-hero { padding: 120px 0 40px; }

    .hero-content {
        gap: 30px;
    }
    .hero-product-img {
        width: 280px;
    }
    .product-hero-layout {
        gap: 30px;
    }
    .product-hero-img {
        width: 220px;
    }

    .app-showcase {
        margin-bottom: 20px;
    }

    .navbar-collapse {
        background: #fff;
        padding: 15px;
        border-radius: var(--radius-card);
        margin-top: 10px;
    }
    .nav-lang-wrap { margin: 10px 0; }
    .btn-nav-cta { margin-left: 0; display: inline-block; }

    .timeline-line { left: 20px; }
    .timeline-item,
    .timeline-item:nth-child(even) {
        width: 100%;
        margin-left: 0;
        padding: 0 0 30px 50px;
        text-align: left;
    }
    .timeline-item .timeline-dot,
    .timeline-item:nth-child(even) .timeline-dot {
        right: auto;
        left: 12px;
    }
}

@media (max-width: 767px) {
    .hero-section { min-height: auto; padding: 120px 0 60px; }
    .hero-title { font-size: 1.8rem; }
    .hero-desc { font-size: 1rem; }
    .hero-actions { flex-direction: column; }
    .hero-actions .btn-custom-primary,
    .hero-actions .btn-custom-outline { width: 100%; text-align: center; }

    .hero-content {
        flex-direction: column;
        text-align: center;
        gap: 30px;
    }
    .hero-text {
        max-width: 100%;
    }
    .hero-product-img {
        width: 260px;
    }
    .hero-actions {
        justify-content: center;
    }

    .product-hero-layout {
        flex-direction: column;
        text-align: center;
    }
    .product-hero-img {
        width: 220px;
        margin: 0 auto;
    }

    .page-hero-title { font-size: 1.6rem; }
    .page-hero-desc { font-size: 0.95rem; }

    .about-intro-stats { grid-template-columns: 1fr; }

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

    .cta-content h2 { font-size: 1.5rem; }
    .cta-content p { font-size: 0.95rem; }

    .inquiry-form-wrap,
    .contact-info-wrap { padding: 20px; }

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

    .error-404-number { font-size: 5rem; }

    .nms-stat-num { font-size: 1.8rem; }

    .market-map-wrap {
        margin-bottom: 20px;
    }

    .solution-visual-real img {
        margin-bottom: 20px;
    }

    .about-intro-image {
        margin-bottom: 30px;
    }

    .app-download-section .row.g-4 {
        text-align: center;
    }

    .dl-card {
        margin-bottom: 15px;
    }
}

@media (max-width: 480px) {
    .specs-grid { grid-template-columns: 1fr; }
    .brand-text { font-size: 1.2rem; }
    .hero-title { font-size: 1.5rem; }
    .section-title h2 { font-size: 1.3rem; }

    .download-card {
        padding: 20px 15px;
    }

    .btn-download {
        padding: 8px 20px;
        font-size: 0.88rem;
    }

    .btn-download-lg {
        padding: 10px 20px;
        font-size: 0.9rem;
    }

    .app-showcase {
        padding: 25px 20px;
    }

    .download-guide {
        padding: 25px 20px;
    }
}

/* ====================================================================
   21. 搜索表单
   ==================================================================== */
.search-form .search-input-wrap {
    display: flex;
    gap: 0;
    border: 2px solid var(--color-border);
    border-radius: var(--radius-btn);
    overflow: hidden;
}
.search-form .search-field {
    flex: 1;
    border: none;
    padding: 10px 14px;
    font-size: 0.95rem;
    outline: none;
}
.search-form .search-submit {
    border: none;
    background: var(--color-primary);
    color: #fff;
    padding: 0 18px;
    cursor: pointer;
    transition: var(--transition);
}
.search-form .search-submit:hover {
    background: var(--color-primary-dark);
}

/* ====================================================================
   16. 亲情视频公话页面 (Family Video Phone)
   ==================================================================== */

/* Hero */
.fvp-hero {
    background: linear-gradient(180deg, #eef7ff 0%, #ffffff 100%);
    padding: 140px 0 72px;
    text-align: center;
}
.fvp-hero-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--color-primary);
}
.fvp-hero-subtitle {
    font-size: 1.125rem;
    color: var(--color-text-light);
    max-width: 640px;
    margin: 0 auto 32px;
    line-height: 1.8;
}
.fvp-hero-tags {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 40px;
}
.fvp-tag {
    padding: 6px 16px;
    border-radius: 999px;
    font-size: 0.875rem;
    background: #e8f0fe;
    color: var(--color-primary);
    border: 1px solid #c3d8f0;
}

/* Device mock */
.fvp-device-mock {
    width: 320px;
    height: 210px;
    margin: 0 auto;
    background: #2b3038;
    border-radius: 16px;
    padding: 14px;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.18);
}
.fvp-device-screen {
    width: 100%;
    height: 100%;
    border-radius: 8px;
    background: linear-gradient(135deg, #0f1419 0%, #1c2733 100%);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 10px;
    color: #fff;
}
.fvp-avatar {
    width: 52px;
    height: 52px;
    border-radius: 50%;
    background: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 26px;
}
.fvp-call-text {
    font-size: 14px;
    opacity: 0.85;
}
.fvp-call-btn {
    margin-top: 4px;
    padding: 6px 22px;
    border-radius: 999px;
    background: var(--color-primary);
    font-size: 13px;
    color: #fff;
}

/* Sections */
.fvp-section {
    padding: 72px 0;
}
.fvp-section-gray {
    background: var(--color-gray-bg, #f7f8fa);
}
.fvp-section-title {
    font-size: 1.875rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 12px;
}
.fvp-section-desc {
    text-align: center;
    color: var(--color-text-light);
    font-size: 1rem;
    max-width: 620px;
    margin: 0 auto 48px;
    line-height: 1.8;
}

/* Features grid */
.fvp-features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.fvp-feature-card {
    background: #fff;
    border: 1px solid var(--color-border, #e5e6eb);
    border-radius: 12px;
    padding: 32px 28px;
    transition: box-shadow 0.2s, transform 0.2s;
}
.fvp-feature-card:hover {
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
    transform: translateY(-2px);
}
.fvp-feature-icon {
    width: 48px;
    height: 48px;
    border-radius: 10px;
    margin-bottom: 18px;
    background: #e8f0fe;
    color: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
}
.fvp-feature-card h3 {
    font-size: 1.125rem;
    margin-bottom: 8px;
}
.fvp-feature-card p {
    color: var(--color-text-light);
    font-size: 0.875rem;
    line-height: 1.7;
}

/* Steps grid */
.fvp-steps-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}
.fvp-step {
    text-align: center;
    padding: 28px 16px;
    background: #fff;
    border-radius: 12px;
    border: 1px solid var(--color-border, #e5e6eb);
}
.fvp-step-num {
    width: 40px;
    height: 40px;
    margin: 0 auto 14px;
    border-radius: 50%;
    background: var(--color-primary);
    color: #fff;
    font-weight: 700;
    font-size: 17px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.fvp-step h4 {
    font-size: 1rem;
    margin-bottom: 6px;
}
.fvp-step p {
    font-size: 0.8125rem;
    color: var(--color-text-light);
    line-height: 1.6;
}

/* Architecture */
.fvp-arch-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
}
.fvp-arch-list {
    list-style: none;
    padding: 0;
    margin: 0;
}
.fvp-arch-list li {
    display: flex;
    gap: 14px;
    padding: 16px 0;
    border-bottom: 1px solid var(--color-border, #e5e6eb);
}
.fvp-arch-list li:last-child {
    border-bottom: none;
}
.fvp-arch-dot {
    flex-shrink: 0;
    width: 8px;
    height: 8px;
    margin-top: 10px;
    border-radius: 50%;
    background: var(--color-primary);
}
.fvp-arch-list b {
    display: block;
    font-size: 0.9375rem;
    margin-bottom: 2px;
}
.fvp-arch-list span {
    font-size: 0.875rem;
    color: var(--color-text-light);
    line-height: 1.6;
}
.fvp-arch-diagram {
    background: var(--color-gray-bg, #f7f8fa);
    border: 1px solid var(--color-border, #e5e6eb);
    border-radius: 12px;
    padding: 28px;
}
.fvp-arch-box {
    background: #fff;
    border: 1px solid var(--color-border, #e5e6eb);
    border-radius: 8px;
    padding: 14px 18px;
    text-align: center;
    font-size: 0.875rem;
    font-weight: 600;
}
.fvp-arch-box small {
    display: block;
    font-weight: 400;
    font-size: 0.75rem;
    color: var(--color-text-light);
    margin-top: 2px;
}
.fvp-arch-box-green {
    border-color: #c3d8f0;
    background: #e8f0fe;
}
.fvp-arch-arrow {
    text-align: center;
    color: var(--color-text-light);
    font-size: 18px;
    padding: 6px 0;
}

/* Compliance */
.fvp-compliance-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}
.fvp-compliance-item {
    display: flex;
    gap: 14px;
    padding: 22px;
    background: #fff;
    border: 1px solid var(--color-border, #e5e6eb);
    border-radius: 12px;
}
.fvp-check {
    flex-shrink: 0;
    width: 26px;
    height: 26px;
    border-radius: 50%;
    background: #e8f0fe;
    color: var(--color-primary);
    font-size: 14px;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
}
.fvp-compliance-item b {
    display: block;
    font-size: 0.9375rem;
    margin-bottom: 4px;
}
.fvp-compliance-item span {
    font-size: 0.8375rem;
    color: var(--color-text-light);
    line-height: 1.6;
}

/* FVP Responsive */
@media (max-width: 991px) {
    .fvp-features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .fvp-arch-grid {
        grid-template-columns: 1fr;
    }
}
@media (max-width: 768px) {
    .fvp-hero {
        padding: 120px 0 48px;
    }
    .fvp-hero-title {
        font-size: 1.75rem;
    }
    .fvp-features-grid,
    .fvp-steps-grid,
    .fvp-compliance-grid {
        grid-template-columns: 1fr;
    }
    .fvp-section {
        padding: 48px 0;
    }
}