@charset "UTF-8";
/* ========== download.html 页面专属样式（公共部分见 common.css） ========== */
/* 独特头部导航（download 用 div.header-wrap 而非 <header><nav>） */
.header-wrap {
    width:100%;
    background: radial-gradient(circle at top left, rgba(56, 189, 248, 0.24), transparent 55%), rgba(15, 23, 42, 0.9);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom:1px solid var(--border);
    padding:1.5rem 0;
    position:sticky;
    top:0;
    z-index:1000;
    box-shadow: 0 4px 30px rgba(0,0,0,0.5);
}
.header-inner{
    max-width:1180px;
    margin:0 auto;
    padding:0 20px;
    display:flex;
    justify-content:space-between;
    align-items:flex-end;
    flex-wrap:wrap;
    gap:1rem;
}
.nav-menu{
    display:flex;
    gap:2.5rem;
    align-items:flex-end;
}
.nav-menu a{
    color:var(--text-main);
    text-decoration:none;
    font-weight:500;
    font-size:1rem;
    position:relative;
    padding:0.5rem 0;
    transition:all 0.3s ease;
    white-space: nowrap;
}
.nav-menu a::after{
    content:'';
    position:absolute;
    bottom:0;
    left:0;
    width:0;
    height:2px;
    background:linear-gradient(90deg,var(--primary),var(--secondary));
    transition:width 0.3s ease;
    box-shadow:var(--glow);
}
.nav-menu a.active{
    color:var(--primary);
}
.nav-menu a.active::after{
    width:100%;
}
.nav-menu a:hover::after{
    width:100%;
}
.nav-menu a:hover{
    color:var(--primary);
    transform:translateY(-2px);
    text-shadow:0 0 10px rgba(0,240,255,0.5);
}

/* 动态加密流程区块 PC原版 */
.flow-section {
    padding: 80px 0;
    background: radial-gradient(circle at center, rgba(34, 211, 238, 0.08), transparent 60%);
    border-top: 1px solid var(--border);
}
.flow-wrapper {
    margin-top: 4rem;
    padding: 2rem 1rem;
    background: var(--bg-card);
    border-radius: 24px;
    border: 1px solid var(--border);
    overflow: hidden;
    position: relative;
    display:flex;
    justify-content: space-between;
    align-items:center;
    gap:10px;
}
.flow-dash-line {
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 100%;
    height: 3px;
    background-image: linear-gradient(90deg, var(--primary) 0, var(--primary) 10px, transparent 10px, transparent 24px);
    background-size: 34px 3px;
    animation: dashMove 1.2s linear infinite;
    z-index: 1;
}
@keyframes dashMove {
    0% { background-position: 0 0; }
    100% { background-position: 34px 0; }
}
.flow-step {
    position: relative;
    z-index: 2;
    width: 18%;
    min-width: 160px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    padding: 18px 10px;
    background: #020617;
    border: 2px solid var(--primary);
    border-radius: 14px;
    transition: all 0.35s ease;
    cursor: default;
    animation: stepFadeUp 0.8s ease forwards;
    opacity: 0;
    transform: translateY(30px);
}
.flow-step:nth-child(2) { animation-delay: 0.15s; }
.flow-step:nth-child(3) { animation-delay: 0.3s; }
.flow-step:nth-child(4) { animation-delay: 0.45s; }
.flow-step:nth-child(5) { animation-delay: 0.6s; }
@keyframes stepFadeUp {
    to { opacity: 1; transform: translateY(0); }
}
.flow-step.success-step {
    background: linear-gradient(135deg, #16a34a, #15803d);
    border-color: #22c55e;
}
.flow-step:hover {
    transform: translateY(-8px);
    box-shadow: 0 0 28px rgba(34, 211, 238, 0.6);
}
.success-step:hover {
    box-shadow: 0 0 28px rgba(34, 197, 94, 0.6);
}
.step-icon {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 26px;
}
.shield-icon::before { content: "🛡️"; }
.pc-icon::before { content: "🖥️"; }
.lock-icon::before { content: "🔒"; }
.check-icon::before { content: "✅"; color: #fff; }
.step-text {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-main);
}
.success-step .step-text {
    color: #ffffff;
}
.flow-desc {
    margin-top: 2rem;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.98rem;
}

/* 下载卡片 */
.download-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
    gap: 2.2rem;
    margin-top: 3rem;
}
.download-card {
    background: radial-gradient(circle at top left, rgba(56, 189, 248, 0.18), transparent 55%), var(--bg-card);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--border);
    border-radius: 22px;
    padding: 2.8rem 2.4rem;
    text-align: left;
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
    opacity: 0;
    transform: translateY(24px);
    animation: fadeInUp 0.85s ease forwards;
}
.download-list .download-card:nth-child(1) { animation-delay: 0.12s; }
.download-list .download-card:nth-child(2) { animation-delay: 0.24s; }
.download-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0, 240, 255, 0.05), rgba(123, 44, 191, 0.05));
    opacity: 0;
    transition: opacity 0.4s ease;
}
.download-card:hover::before {
    opacity: 1;
}
.download-card:hover {
    border-color: var(--primary);
    transform: translateY(-10px);
    box-shadow: var(--glow), 0 20px 60px rgba(0, 240, 255, 0.3);
}
.download-card.recommend {
    border: 1.5px solid rgba(56, 189, 248, 0.8);
    background: linear-gradient(135deg, rgba(56, 189, 248, 0.16), rgba(124, 58, 237, 0.18));
    box-shadow: var(--glow);
    transform: translateY(-4px);
}
.download-card.recommend::after {
    content: "推荐下载";
    position: absolute;
    top: 18px;
    right: 18px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    padding: 4px 14px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--bg-dark);
    box-shadow: 0 0 15px rgba(0, 240, 255, 0.5);
}
.download-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.2rem;
}
.download-tag {
    font-size: 0.78rem;
    padding: 4px 10px;
    border-radius: 999px;
    border: 1px solid rgba(148, 163, 184, 0.55);
    color: var(--text-muted);
}
.download-tag-primary {
    border-color: rgba(56, 189, 248, 0.7);
    color: var(--primary);
    background: rgba(15, 23, 42, 0.9);
}
.download-card h3 {
    font-size: 1.8rem;
    margin-bottom: 0.3rem;
    font-weight: 700;
    color: var(--text-main);
    position: relative;
    z-index: 1;
}
.download-desc {
    margin: 1rem 0 1.5rem;
    color: var(--text-muted);
    line-height: 1.7;
}
.md5-text{
    font-family: monospace;
    word-break: break-all;
    background: #020617;
    padding:8px 12px;
    border-radius:6px;
    border:1px solid var(--border);
    color:var(--primary);
    margin:1rem 0;
}
.download-btn-group{
    display:flex;
    gap:12px;
    margin-top:1.5rem;
}
.download-btn-group .btn{
    flex:1;
    text-align:center;
    padding:12px 0;
    font-size:1rem;
}

/* 下载页水印透明度与原页一致 */
.watermark-box{
    opacity:0.12;
}

/* ==========下载页移动端 ========== */
@media (max-width: 768px) {
    .header-inner{
        flex-direction:column;
        align-items:center;
    }
    .nav-menu{
        flex-wrap:wrap;
        justify-content:center;
        gap:1rem 1.4rem;
    }
    .nav-menu a{
        font-size:0.9rem;
    }
    .download-list {
        grid-template-columns: 1fr;
        gap: 1.7rem;
    }
    .download-card {
        padding: 2rem 1.6rem;
    }
    .download-btn-group{
        flex-direction:column;
    }
    /* 流程区块手机换行 */
    .flow-wrapper {
        flex-wrap: wrap;
        justify-content: center;
        gap:16px;
    }
    .flow-dash-line {
        display:none;
    }
    .flow-step {
        width:42%;
        min-width:120px;
        flex:unset;
    }
    .step-icon {
        width:38px;
        height:38px;
        font-size:22px;
    }
    .step-text {
        font-size:0.92rem;
    }
    .flow-desc {
        padding:0 0.5rem;
        font-size:0.88rem;
    }
}