/* ============================================
   首页专属样式
   ============================================ */

/* Hero 区 */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    padding: 120px 0 80px;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(124, 58, 237, 0.2) 0%, transparent 60%);
    filter: blur(60px);
    z-index: -1;
    animation: pulse 8s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 0.6; }
    50% { transform: translate(-50%, -50%) scale(1.2); opacity: 1; }
}

.hero-content {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-text .tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 18px;
    background: var(--gradient-card);
    border: 1px solid rgba(79, 70, 229, 0.3);
    border-radius: 24px;
    color: var(--accent-blue);
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 24px;
    letter-spacing: 0.5px;
}

.tag-dot {
    width: 6px;
    height: 6px;
    background: #10b981;
    border-radius: 50%;
    box-shadow: 0 0 8px #10b981;
    animation: blink 2s infinite;
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

.hero-text h1 {
    font-size: 56px;
    font-weight: 900;
    line-height: 1.15;
    margin-bottom: 24px;
    letter-spacing: -1px;
}

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

.hero-text p.lead {
    font-size: 18px;
    color: var(--text-secondary);
    margin-bottom: 36px;
    max-width: 540px;
    line-height: 1.7;
}

.hero-actions {
    display: flex;
    gap: 16px;
    margin-bottom: 48px;
    flex-wrap: wrap;
}

.hero-stats {
    display: flex;
    gap: 48px;
    flex-wrap: wrap;
}

.stat-item .num {
    font-size: 36px;
    font-weight: 800;
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    line-height: 1;
    margin-bottom: 6px;
}

.stat-item .label {
    color: var(--text-muted);
    font-size: 14px;
}

/* Hero 视觉 */
.hero-visual {
    position: relative;
    height: 540px;
}

.visual-card {
    position: absolute;
    background: rgba(26, 26, 78, 0.7);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(79, 70, 229, 0.3);
    border-radius: 16px;
    padding: 20px;
    box-shadow: var(--shadow-card);
    transition: transform 0.3s ease;
}

.visual-card:hover {
    transform: translateY(-5px);
}

.vc-main {
    top: 50px;
    left: 0;
    right: 0;
    margin: 0 auto;
    width: 360px;
    z-index: 2;
}

.vc-float-1 {
    top: 0;
    right: 0;
    width: 200px;
    z-index: 3;
    animation: float1 6s ease-in-out infinite;
}

.vc-float-2 {
    bottom: 30px;
    left: 0;
    width: 220px;
    z-index: 3;
    animation: float2 7s ease-in-out infinite;
}

@keyframes float1 {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

@keyframes float2 {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(20px); }
}

.vc-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 16px;
    padding-bottom: 14px;
    border-bottom: 1px solid rgba(79, 70, 229, 0.2);
}

.vc-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--gradient-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
}

.vc-title {
    font-size: 14px;
    font-weight: 700;
    color: var(--text-primary);
}

.vc-sub {
    font-size: 12px;
    color: var(--text-muted);
}

.metric-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}

.metric-label {
    font-size: 13px;
    color: var(--text-secondary);
}

.metric-value {
    font-size: 15px;
    font-weight: 700;
    color: var(--text-primary);
}

.metric-value.up {
    color: #10b981;
}

.metric-value.down {
    color: #ef4444;
}

.bar-chart {
    margin-top: 14px;
    display: flex;
    align-items: flex-end;
    gap: 6px;
    height: 60px;
}

.bar {
    flex: 1;
    background: var(--gradient-accent);
    border-radius: 3px;
    opacity: 0.7;
    transition: opacity 0.3s ease;
}

.bar:hover {
    opacity: 1;
}

.mini-stat {
    display: flex;
    gap: 10px;
    align-items: center;
}

.mini-icon {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: var(--gradient-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
}

.mini-info .v {
    font-size: 20px;
    font-weight: 800;
    color: var(--text-primary);
    line-height: 1.1;
}

.mini-info .l {
    font-size: 11px;
    color: var(--text-muted);
}

/* 核心业务 */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}

.service-card {
    background: var(--gradient-card);
    border: 1px solid rgba(79, 70, 229, 0.2);
    border-radius: 20px;
    padding: 36px 28px;
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-accent);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

.service-card:hover {
    transform: translateY(-8px);
    border-color: rgba(79, 70, 229, 0.5);
    box-shadow: var(--shadow-hover);
    background: rgba(79, 70, 229, 0.08);
}

.service-card:hover::before {
    transform: scaleX(1);
}

.service-icon {
    width: 64px;
    height: 64px;
    background: var(--gradient-accent);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 30px;
    margin-bottom: 20px;
    box-shadow: 0 8px 24px rgba(124, 58, 237, 0.3);
}

.service-card h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 12px;
}

.service-card p {
    color: var(--text-muted);
    font-size: 14px;
    line-height: 1.7;
    margin-bottom: 18px;
}

.service-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.service-tags span {
    padding: 4px 10px;
    background: rgba(79, 70, 229, 0.15);
    border-radius: 12px;
    font-size: 12px;
    color: var(--text-secondary);
}

/* 客户案例 / 信任背书 */
.trust-section {
    background: linear-gradient(180deg, transparent 0%, rgba(79, 70, 229, 0.05) 50%, transparent 100%);
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
    margin-bottom: 64px;
}

.case-card {
    background: var(--gradient-card);
    border: 1px solid rgba(79, 70, 229, 0.2);
    border-radius: 20px;
    padding: 32px;
    transition: all 0.3s ease;
    position: relative;
}

.case-card:hover {
    transform: translateY(-5px);
    border-color: rgba(124, 58, 237, 0.5);
}

.case-quote {
    color: var(--text-secondary);
    font-size: 15px;
    line-height: 1.8;
    margin-bottom: 24px;
    min-height: 100px;
}

.case-quote::before {
    content: '"';
    font-size: 48px;
    color: var(--accent-purple);
    line-height: 0;
    vertical-align: -16px;
    margin-right: 4px;
}

.case-meta {
    display: flex;
    align-items: center;
    gap: 14px;
    padding-top: 20px;
    border-top: 1px solid rgba(79, 70, 229, 0.2);
}

.case-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--gradient-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    color: white;
    font-weight: 700;
    flex-shrink: 0;
}

.case-info .name {
    font-size: 15px;
    font-weight: 700;
    color: var(--text-primary);
}

.case-info .title {
    font-size: 13px;
    color: var(--text-muted);
}

.case-result {
    margin-top: 16px;
    padding: 10px 14px;
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.3);
    border-radius: 10px;
    color: #10b981;
    font-size: 13px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
}

/* 数据展示 */
.trust-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    padding: 48px;
    background: var(--gradient-card);
    border: 1px solid rgba(79, 70, 229, 0.3);
    border-radius: 24px;
}

.trust-stat {
    text-align: center;
}

.trust-stat .num {
    font-size: 48px;
    font-weight: 900;
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    line-height: 1;
    margin-bottom: 8px;
}

.trust-stat .label {
    color: var(--text-secondary);
    font-size: 14px;
}

/* 品牌客户 */
.brands-section {
    text-align: center;
}

.brands-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 24px;
    margin-top: 40px;
}

.brand-item {
    height: 80px;
    background: var(--gradient-card);
    border: 1px solid rgba(79, 70, 229, 0.2);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    font-size: 16px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.brand-item:hover {
    color: var(--text-primary);
    border-color: var(--accent-purple);
    transform: translateY(-3px);
}

/* CTA Section */
.cta-section {
    text-align: center;
    padding: 100px 24px;
    position: relative;
}

.cta-box {
    max-width: 900px;
    margin: 0 auto;
    padding: 60px 40px;
    background: var(--gradient-card);
    border: 1px solid rgba(79, 70, 229, 0.3);
    border-radius: 24px;
    position: relative;
    overflow: hidden;
}

.cta-box::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(124, 58, 237, 0.2) 0%, transparent 50%);
    animation: rotate 20s linear infinite;
    z-index: -1;
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.cta-box h2 {
    font-size: 38px;
    font-weight: 800;
    margin-bottom: 16px;
}

.cta-box p {
    color: var(--text-secondary);
    font-size: 17px;
    margin-bottom: 32px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* 响应式 */
@media (max-width: 1024px) {
    .hero-content { grid-template-columns: 1fr; gap: 40px; }
    .hero-text h1 { font-size: 42px; }
    .hero-visual { height: 400px; }
    .brands-grid { grid-template-columns: repeat(3, 1fr); }
    .trust-stats { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .hero { padding: 100px 0 60px; }
    .hero-text h1 { font-size: 32px; }
    .hero-stats { gap: 24px; }
    .stat-item .num { font-size: 28px; }
    .hero-visual { height: 360px; }
    .vc-main { width: 280px; }
    .vc-float-1, .vc-float-2 { width: 160px; }
    .trust-stats { padding: 32px 20px; }
    .trust-stat .num { font-size: 32px; }
    .cta-box { padding: 40px 24px; }
    .cta-box h2 { font-size: 28px; }
    .brands-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 480px) {
    .hero-visual { height: 320px; }
    .vc-main { width: 240px; padding: 14px; }
    .vc-float-1, .vc-float-2 { width: 130px; padding: 12px; }
    .mini-info .v { font-size: 16px; }
    .bar-chart { height: 40px; }
    .hero-actions .btn { width: 100%; }
}