/* Gemini Tech-Style CSS */

/* --- Particle Background --- */
#particles-js {
    position: fixed;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    z-index: -1; /* Place it behind all other content */
}

/* --- Base & Typography --- */
html, body {
    height: 100%;
}

body {
    background-color: transparent; /* Make body background transparent to show particles */
    color: #e0e0e0; /* Soft light grey for text */
    font-family: "微软雅黑", Arial, Helvetica, sans-serif;
    min-width: 1000px;
    margin: 0;
    padding: 0;
}

a {
    color: #00aaff; /* Electric blue for links */
    text-decoration: none;
    transition: color 0.3s ease, text-shadow 0.3s ease;
}

a:hover {
    color: #88ddff;
    text-shadow: 0 0 5px rgba(0, 170, 255, 0.7);
}

h1, h2, h3, h4, h5, h6 {
    color: #00aaff; /* Electric blue for headings */
    font-weight: bold;
}

/* --- Header / Navigation --- */
.top {
    position: fixed;
    width: 100%;
    height: 130px;
    background-color: rgba(10, 10, 30, 0.75); /* Frosted glass effect */
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    z-index: 100;
    border-bottom: 1px solid rgba(0, 170, 255, 0.2);
}

.top_left img {
    position: absolute;
    top: 30px;
    left: 30px;
}

.navig dt a {
    color: #e0e0e0;
    font-size: 18px;
    font-weight: normal;
    line-height: 60px;
    transition: all 0.3s ease;
}

.navig dt:hover a {
    color: #00aaff;
    text-shadow: 0 0 8px rgba(0, 170, 255, 0.8);
}

.navig dt:hover {
    background: rgba(0, 170, 255, 0.1);
    border-radius: 5px;
}


/* --- Main Content & Cards --- */
.content {
    min-height: 600px;
    padding-top: 130px; /* Offset for fixed header */
}

.cloud-product-ul li {
    position: relative;
    margin-top: 40px;
    width: 200px;
    height: 400px;
    float: left;
    border: 1px solid rgba(0, 170, 255, 0.3);
    background: rgba(20, 20, 40, 0.5); /* Dark, semi-transparent card background */
    transition: all 0.3s ease-out;
    border-radius: 8px;
}

.cloud-product-ul li:first-child {
    border-left: 1px solid rgba(0, 170, 255, 0.3);
}

.cloud-product-ul li:hover {
    transform: translateY(-10px);
    border-color: #00aaff;
    box-shadow: 0 0 20px rgba(0, 170, 255, 0.5);
    z-index: 10;
}

.cloud-product-single-top {
    background-color: rgba(0, 170, 255, 0.1);
    border-bottom: 1px solid rgba(0, 170, 255, 0.2);
}

.cloud-product-name {
    color: #e0e0e0;
    font-size: 18px;
    font-weight: 700;
}

.cloud-product-ul li:hover .cloud-product-name {
    color: #00aaff;
    background-color: transparent;
}

.product-introduce-title {
    color: #c0c0c0;
}

.product-introduce-content {
    color: #a0a0a0;
}

.price-orange {
    color: #ffaa00; /* Keep price color distinct */
    font-size: 24px;
}

/* --- Section Titles --- */
.ue_ss h3 {
    color: #e0e0e0;
    font-size: 28px;
    text-align: center;
    font-weight: bold;
    letter-spacing: 5px;
    padding-top: 50px;
    text-shadow: 0 0 10px rgba(0, 170, 255, 0.3);
}

/* --- Footer --- */
.foot {
    clear: both;
    width: 100%;
    border-top: 1px solid rgba(0, 170, 255, 0.2);
    padding: 20px 0;
    background-color: #0a0a1a;
    color: #a0a0a0;
    text-align: center;
}

.foot_a1_a a {
    color: #a0a0a0;
}

.foot_a1_a a:hover {
    color: #00aaff;
}

.foot_a2 a {
     color: #a0a0a0 !important;
}