/* assets/custom.css 全局公共样式｜深蓝科技风 */
:root {
    --primary: #08204E;
    --secondary: #165DFF;
    --cyan-tech: #00C6FF;
    --glass-bg: rgba(255, 255, 255, 0.06);
    --glass-border: rgba(22, 93, 255, 0.15);
    --text-dark: #1F2937;
    --text-muted: #64748B;
    --bg-page: #F8FAFC;
}

html {
    scroll-behavior: smooth;
}
body {
    font-family: Inter, "PingFang SC", system-ui, sans-serif;
    color: var(--text-dark);
    background-color: var(--bg-page);
    overflow-x: hidden;
}

/* 区块内边距 */
.section-padding {
    padding-top: 64px;
    padding-bottom: 64px;
}
@media(min-width:768px) {
    .section-padding {
        padding-top: 96px;
        padding-bottom: 96px;
    }
}

/* 科技卡片悬浮：微光上浮 */
.card-tech {
    background-color: #ffffff;
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    transition: 0.3s ease-all;
}
.card-tech:hover {
    transform: translateY(-6px);
    box-shadow: 0 16px 40px rgba(22, 93, 255, 0.14);
    border-color: var(--secondary);
}

/* 滚动渐入动画 */
.fade-in {
    opacity: 0;
    transform: translateY(28px);
    transition: all 0.75s cubic-bezier(0.2,0,0.2,1);
}
.fade-in.active {
    opacity: 1;
    transform: translateY(0);
}

/* 导航栏状态 */
.navbar-transparent {
    background-color: transparent;
}
.navbar-solid {
    background-color: rgba(255,255,255,0.92);
    backdrop-filter: blur(8px);
    box-shadow: 0 2px 16px rgba(0,0,0,0.07);
}
.nav-text-white { color:#ffffff; }
.nav-text-dark { color:var(--text-dark); }

/* 科技渐变文字 */
.text-tech-gradient {
    background: linear-gradient(90deg, var(--secondary), var(--cyan-tech));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

/* 分割线 */
.divider-tech {
    width: 64px;
    height: 3px;
    background: linear-gradient(90deg,var(--secondary),var(--cyan-tech));
    margin-left: auto;
    margin-right: auto;
    border-radius: 99px;
}