/* ==========================================================================
   软件下载中心专属样式
   依赖 css/styles.css（颜色变量、导航栏、页脚）
   ========================================================================== */

/* ---------- 页面容器 ---------- */
.dl-page {
    min-height: 100vh;
    padding-top: var(--navbar-height);
}

.dl-container {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--space-md);
}

/* ---------- Hero ---------- */
.dl-hero {
    position: relative;
    overflow: hidden;
    padding: var(--space-xl) 0 var(--space-lg);
    background: linear-gradient(180deg, var(--bg-card) 0%, var(--bg-dark) 100%);
    text-align: center;
}

.dl-hero-bg {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.dl-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.32;
}

.dl-orb-1 {
    width: 360px;
    height: 360px;
    top: -120px;
    left: -80px;
    background: var(--primary);
}

.dl-orb-2 {
    width: 320px;
    height: 320px;
    bottom: -150px;
    right: -60px;
    background: var(--secondary);
}

.dl-hero-inner {
    position: relative;
    z-index: 1;
}

.dl-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    border: 1px solid var(--border);
    border-radius: var(--radius-full);
    background: rgba(79, 142, 247, 0.08);
    color: var(--primary);
    font-size: 13px;
    letter-spacing: 0.5px;
}

.dl-title {
    margin-top: var(--space-md);
    font-size: clamp(30px, 5vw, 46px);
    font-weight: 700;
    letter-spacing: 1px;
}

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

.dl-subtitle {
    margin-top: var(--space-xs);
    color: var(--text-secondary);
    font-size: 16px;
}

.dl-hero-stats {
    display: flex;
    justify-content: center;
    gap: var(--space-lg);
    margin-top: var(--space-md);
    flex-wrap: wrap;
}

.dl-stat {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.dl-stat strong {
    font-size: 24px;
    color: var(--primary);
}

.dl-stat span {
    font-size: 13px;
    color: var(--text-secondary);
}

/* ---------- 软件列表 ---------- */
.dl-section {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    padding-top: var(--space-lg);
}

.dl-card {
    padding: var(--space-md);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    background: var(--bg-card);
    transition: border-color var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
}

.dl-card:hover {
    border-color: rgba(79, 142, 247, 0.55);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.dl-card.featured {
    border-color: rgba(79, 142, 247, 0.45);
    box-shadow: var(--shadow-glow);
}

.dl-card-head {
    display: flex;
    gap: var(--space-sm);
    align-items: flex-start;
}

.dl-app-icon {
    width: 72px;
    height: 72px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 18px;
    box-shadow: var(--shadow-sm);
}

.dl-app-icon svg {
    width: 40px;
    height: 40px;
    color: #fff;
}

.dl-app-icon.browser { background: var(--gradient-primary); }
.dl-app-icon.tool { background: var(--gradient-accent); }

.dl-card-title-wrap { flex: 1; min-width: 0; }

.dl-card-title-row {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

.dl-card-title-row h2 {
    font-size: 22px;
    font-weight: 600;
}

.dl-version {
    padding: 2px 10px;
    border-radius: var(--radius-full);
    background: rgba(79, 142, 247, 0.12);
    color: var(--primary);
    font-size: 12px;
    font-weight: 500;
}

.dl-tag {
    padding: 2px 10px;
    border-radius: var(--radius-full);
    font-size: 12px;
    font-weight: 500;
}

.dl-tag.hot {
    background: rgba(255, 107, 53, 0.14);
    color: var(--accent);
}

.dl-card-desc {
    margin-top: var(--space-xs);
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.8;
}

/* ---------- 特性列表 ---------- */
.dl-features {
    list-style: none;
    margin-top: var(--space-sm);
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 6px var(--space-sm);
}

.dl-features li {
    position: relative;
    padding-left: 20px;
    font-size: 14px;
    color: var(--text-secondary);
}

.dl-features li::before {
    content: '';
    position: absolute;
    left: 6px;
    top: 10px;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--primary);
}

.dl-features code {
    padding: 1px 6px;
    border-radius: 4px;
    background: var(--bg-dark);
    color: var(--primary);
    font-size: 12px;
}

/* ---------- 元信息 ---------- */
.dl-meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
    margin-top: var(--space-sm);
    padding-top: var(--space-sm);
    border-top: 1px solid var(--border);
    font-size: 13px;
    color: var(--text-primary);
}

.dl-meta span {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.dl-meta i {
    font-style: normal;
    color: var(--text-secondary);
    font-size: 12px;
}

.dl-meta i::after {
    content: '：';
}

/* ---------- 下载按钮 ---------- */
.dl-actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
    margin-top: var(--space-sm);
}

.dl-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 12px 20px;
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
    font-size: 15px;
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.dl-btn span { font-weight: 600; }

.dl-btn em {
    font-style: normal;
    font-size: 12px;
    opacity: 0.75;
    border-left: 1px solid currentColor;
    padding-left: 10px;
    margin-left: 2px;
}

.dl-btn.primary {
    background: var(--gradient-primary);
    color: #fff;
    box-shadow: var(--shadow-sm);
}

.dl-btn.primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

.dl-btn.ghost {
    background: rgba(79, 142, 247, 0.1);
    border-color: rgba(79, 142, 247, 0.4);
    color: var(--primary);
}

.dl-btn.ghost:hover {
    background: rgba(79, 142, 247, 0.18);
    transform: translateY(-2px);
}

.dl-btn.outline {
    border-color: var(--border);
    color: var(--text-primary);
    background: transparent;
}

.dl-btn.outline:hover {
    border-color: var(--primary);
    color: var(--primary);
    transform: translateY(-2px);
}

.dl-note {
    margin-top: var(--space-sm);
    font-size: 12.5px;
    line-height: 1.7;
    color: var(--text-secondary);
}

/* ---------- 提示区 ---------- */
.dl-tips {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-md);
    padding-top: var(--space-lg);
}

.dl-tip-card {
    padding: var(--space-md);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    background: var(--bg-card);
}

.dl-tip-card h3 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: var(--space-sm);
    color: var(--primary);
}

.dl-tip-card ol,
.dl-tip-card ul {
    padding-left: 20px;
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.9;
}

.dl-tip-card strong { color: var(--text-primary); }

.dl-tip-card code {
    padding: 1px 6px;
    border-radius: 4px;
    background: var(--bg-dark);
    color: var(--primary);
    font-size: 12px;
}

/* ---------- 返回 ---------- */
.dl-back {
    padding: var(--space-lg) var(--space-md) var(--space-xl);
    text-align: center;
}

/* ---------- 响应式 ---------- */
@media (max-width: 640px) {
    .dl-card-head { flex-direction: column; align-items: flex-start; }
    .dl-app-icon { width: 60px; height: 60px; border-radius: 14px; }
    .dl-app-icon svg { width: 32px; height: 32px; }
    .dl-actions .dl-btn { width: 100%; justify-content: center; }
    .dl-hero-stats { gap: var(--space-md); }
}