/* 轻科技风全局样式覆盖 */
:root {
    --tech-bg-main: #f0f5fa; /* 浅蓝灰背景 */
    --tech-bg-card: #ffffff;
    --tech-primary: #007bff; /* 科技蓝 */
    --tech-secondary: #6610f2; /* 深紫 */
    --tech-text-main: #2c3e50;
    --tech-text-muted: #6c757d;
    --tech-border: #e9ecef;
    --tech-shadow: 0 10px 30px rgba(0, 123, 255, 0.08);
    --tech-glow: 0 0 15px rgba(0, 123, 255, 0.3);
}

body {
    background-color: var(--tech-bg-main) !important;
    color: var(--tech-text-main);
    font-family: 'Segoe UI', 'Roboto', 'Helvetica Neue', sans-serif;
}

h1, h2, h3, h4, h5, h6 {
    color: #1a202c;
    letter-spacing: 0.5px;
    font-weight: 700;
}

.text-muted {
    color: var(--tech-text-muted) !important;
}

/* Hero Section - 保持深色以突出品质感 */
.hero-section {
    background: linear-gradient(135deg, #0f1c2e 0%, #1e3c72 100%);
    padding: 100px 0;
    position: relative;
    overflow: hidden;
    color: #fff;
}

.hero-section h1, .hero-section h2, .hero-section h3, .hero-section p {
    color: #fff;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background-image: 
        linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
    background-size: 30px 30px;
    opacity: 0.3;
}

.hero-title {
    text-shadow: 0 0 20px rgba(0, 123, 255, 0.5);
}

/* Hero Feature Cards - Glassmorphism */
.hero-feature-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 12px;
    padding: 1rem;
    padding-top: calc(1rem + 5px);
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    transition: all 0.3s ease;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.hero-feature-card:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-3px);
    border-color: rgba(255, 255, 255, 0.3);
    box-shadow: 0 8px 15px rgba(0, 0, 0, 0.2);
}

.hero-feature-card i {
    filter: brightness(1.2) drop-shadow(0 0 5px rgba(255,255,255,0.3));
     margin-bottom: 15px !important;
}

.hero-feature-card h6 {
    color: #fff !important;
    text-shadow: 0 2px 4px rgba(0,0,0,0.3);
}

.hero-feature-card p,
.hero-feature-card .text-muted {
    color: rgba(255, 255, 255, 0.8) !important;
}

/* Tech Buttons */
.btn-tech-primary {
    background: linear-gradient(45deg, #007bff, #00c6ff);
    border: none;
    color: #fff;
    position: relative;
    overflow: hidden;
    z-index: 1;
    transition: all 0.3s;
    box-shadow: 0 4px 15px rgba(0, 123, 255, 0.3);
}

.btn-tech-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 123, 255, 0.4);
    color: #fff;
}

.btn-tech-outline {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.5);
    color: #fff;
    backdrop-filter: blur(5px);
    transition: all 0.3s;
}

.btn-tech-outline:hover {
    background: #fff;
    color: var(--tech-primary);
    border-color: #fff;
    box-shadow: 0 0 20px rgba(255, 255, 255, 0.3);
}

/* Cards */
.tech-card {
    background: var(--tech-bg-card);
    border: none;
    border-radius: 12px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0,0,0,0.05);
}

.tech-card::top {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; height: 3px;
    background: linear-gradient(90deg, var(--tech-primary), var(--tech-secondary));
    opacity: 0.8;
}

.tech-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--tech-shadow);
}

.tech-card-header {
    background: #fff;
    border-bottom: 1px solid #f0f0f0;
    padding: 20px 25px;
}

.tech-card-header h5 {
    color: #2c3e50;
}

/* Tables */
.table-tech {
    color: var(--tech-text-main);
}
.table-tech thead {
    background: #f8f9fa;
    color: #495057;
}
.table-tech th {
    font-weight: 600;
    border-bottom: 2px solid #e9ecef;
    padding: 15px;
}
.table-tech td {
    vertical-align: middle;
    padding: 15px;
    border-bottom: 1px solid #f0f0f0;
}
.table-tech tr:hover td {
    background-color: #f8faff;
}

/* Stats */
.stat-box {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 10px;
    padding: 15px;
    backdrop-filter: blur(10px);
}

.stat-number {
    font-family: 'Arial', sans-serif;
    color: #00c6ff;
    font-weight: 800;
}

/* Icon Box */
.icon-box {
    width: 64px;
    height: 64px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    margin-bottom: 20px;
    background: linear-gradient(135deg, #e0f2ff 0%, #ffffff 100%);
    box-shadow: 0 4px 10px rgba(0, 123, 255, 0.1);
    color: var(--tech-primary);
}

/* FAQ */
.faq-item {
    background: #fff;
    border: 1px solid #e9ecef;
    padding: 25px;
    border-radius: 12px;
    transition: all 0.3s;
    height: 100%;
    box-shadow: 0 2px 8px rgba(0,0,0,0.02);
}

.faq-item:hover {
    border-color: var(--tech-primary);
    box-shadow: 0 10px 30px rgba(0, 123, 255, 0.1);
    transform: translateY(-3px);
}

.faq-item h5 {
    color: #2c3e50;
}

/* Notice Box */
.notice-box {
    background: #fff;
    border-left: 5px solid #ffc107;
    box-shadow: 0 5px 20px rgba(0,0,0,0.05);
}

.notice-box h4, .notice-box h6 {
    color: #2c3e50;
}

/* Feature Items */
.feature-item {
    background: #f8f9fa;
    border-radius: 12px;
    transition: all 0.3s;
    border: 1px solid transparent;
}
.feature-item:hover {
    background: #fff;
    border-color: var(--tech-primary);
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
}
.feature-item h6 {
    color: #2c3e50;
}

.price-badge {
    font-weight: 700;
    font-size: 1.1rem;
    color: #e74c3c;
}

/* Section Title */
.section-title h2 {
    color: #1a202c;
    position: relative;
    display: inline-block;
    padding-bottom: 15px;
}
.section-title h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: var(--tech-primary);
    border-radius: 2px;
}

/* Process Section */
.process-step {
    position: relative;
    z-index: 1;
}
.process-icon-box {
    width: 80px;
    height: 80px;
    background: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    box-shadow: 0 10px 30px rgba(0, 123, 255, 0.1);
    position: relative;
    z-index: 2;
    transition: all 0.3s;
    border: 2px solid #f0f5fa;
}
.process-step:hover .process-icon-box {
    transform: scale(1.1);
    border-color: var(--tech-primary);
    color: var(--tech-primary);
    box-shadow: 0 15px 40px rgba(0, 123, 255, 0.2);
}
.process-line {
    position: absolute;
    top: 40px;
    left: 50%;
    width: 100%;
    height: 2px;
    background: #e9ecef;
    z-index: 0;
}
.process-step:last-child .process-line {
    display: none;
}

/* Tech Background Pattern */
.bg-tech-pattern {
    background-color: #fff;
    background-image: radial-gradient(#e9ecef 1px, transparent 1px);
    background-size: 20px 20px;
    position: relative;
}
.bg-tech-pattern::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; height: 100px;
    background: linear-gradient(180deg, var(--tech-bg-main) 0%, rgba(255,255,255,0) 100%);
    pointer-events: none;
}

/* Dark Section Styles */
.bg-tech-dark {
    /* Lighter Blue-Grey Base */
    background-color: #2c3e50; 
    color: #fff;
    position: relative;
    /* Grain/Noise Texture + Ambient Glows */
    background-image: 
        url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)' opacity='0.07'/%3E%3C/svg%3E"),
        radial-gradient(circle at top left, rgba(0, 242, 255, 0.15), transparent 40%),
        radial-gradient(circle at bottom right, rgba(112, 0, 255, 0.15), transparent 40%);
}
.bg-tech-dark .section-title h2 {
    color: #fff;
}
.bg-tech-dark .text-muted {
    color: rgba(255, 255, 255, 0.6) !important;
}
.bg-tech-dark .tech-card {
    background: rgba(255, 255, 255, 0.03);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: none;
}
.bg-tech-dark .tech-card:hover {
    background: rgba(255, 255, 255, 0.06);
    border-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}
.bg-tech-dark .card-title, 
.bg-tech-dark h4, 
.bg-tech-dark h6 {
    color: #fff !important;
}
.bg-tech-dark .bg-light {
    background-color: rgba(255, 255, 255, 0.05) !important;
}
.bg-tech-dark .feature-item {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.05);
}
.bg-tech-dark .feature-item:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--tech-primary);
}

/* Orange Buy Button */
.btn-tech-orange {
    background: linear-gradient(45deg, #ff9a44, #fc6076);
    border: none;
    color: #fff;
    position: relative;
    overflow: hidden;
    z-index: 1;
    transition: all 0.3s;
    box-shadow: 0 4px 15px rgba(255, 154, 68, 0.3);
}
.btn-tech-orange:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(255, 154, 68, 0.4);
    color: #fff;
}