/* ----- 卡片容器 ----- */
.down-site {
    background: linear-gradient(145deg, #ffffff, #f5f8ff) !important;
    border: none !important;
    border-radius: 24px !important;
    padding: 28px 32px 32px 32px !important;
    margin: 24px auto !important;
    box-shadow: 
        0 1px 3px rgba(0, 0, 0, 0.02),
        0 8px 32px rgba(79, 124, 255, 0.08),
        0 20px 60px rgba(79, 124, 255, 0.05) !important;
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94) !important;
    position: relative !important;
    overflow: hidden !important;
}

/* 卡片顶部渐变装饰条 */
.down-site::before {
    content: '' !important;
    position: absolute !important;
    top: 0 !important;
    left: 0 !important;
    right: 0 !important;
    height: 4px !important;
    background: linear-gradient(90deg, #4f7cff, #a29bfe, #6c5ce7, #4f7cff) !important;
    background-size: 300% 100% !important;
    animation: gradientMove 4s ease-in-out infinite !important;
}

@keyframes gradientMove {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

/* 卡片角落装饰光晕 */
.down-site::after {
    content: '' !important;
    position: absolute !important;
    bottom: -80px !important;
    right: -80px !important;
    width: 240px !important;
    height: 240px !important;
    background: radial-gradient(circle, rgba(79, 124, 255, 0.04), transparent 70%) !important;
    border-radius: 50% !important;
    pointer-events: none !important;
}

.down-site:hover {
    box-shadow: 
        0 1px 3px rgba(0, 0, 0, 0.02),
        0 12px 48px rgba(79, 124, 255, 0.12),
        0 24px 72px rgba(79, 124, 255, 0.08) !important;
    transform: translateY(-2px) !important;
}

/* ----- 信号包装器 ----- */
.signal-buttons-wrapper {
    text-align: center;
    position: relative !important;
    z-index: 1 !important;
}

/* ----- 标题区域 ----- */
.signal-header {
    font-size: 16px;
    font-weight: 700;
    color: #1a2332;
    margin-bottom: 18px;
    text-align: left;
    display: flex !important;
    align-items: center !important;
    gap: 12px !important;
    position: relative !important;
    z-index: 1 !important;
}

/* 标题左侧图标 */
.signal-title-text {
    display: inline-flex !important;
    align-items: center !important;
    gap: 10px !important;
}

.signal-title-text::before {
    content: "📺" !important;
    font-size: 18px !important;
}

/* 标题右侧直播中标签 */
.signal-header::after {
    content: "● 直播中" !important;
    font-size: 11px !important;
    font-weight: 600 !important;
    color: #ff4757 !important;
    background: rgba(255, 71, 87, 0.10) !important;
    padding: 3px 16px 3px 12px !important;
    border-radius: 30px !important;
    letter-spacing: 0.5px !important;
    border: 1px solid rgba(255, 71, 87, 0.15) !important;
    animation: pulseBadge 2s ease-in-out infinite !important;
    margin-left: auto !important;
}

@keyframes pulseBadge {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.7; transform: scale(0.97); }
}

/* ----- 信号数量统计 ----- */
.signal-count {
    font-size: 12px !important;
    color: #8c9aa8 !important;
    font-weight: 400 !important;
    background: #f0f2f5 !important;
    padding: 2px 14px !important;
    border-radius: 30px !important;
}

/* ============================================
   ★ 按钮样式 ★
   ============================================ */

.ul-signal {
    display: inline-block !important;
    list-style: none !important;
    padding: 0 !important;
    margin: 0 !important;
}

.base-site p,
.app-site p {
    display: inline-block !important;
    padding: 10px 28px !important;
    margin: 5px 8px !important;
    border-radius: 30px !important;
    color: #4f7cff !important;
    background: rgba(79, 124, 255, 0.06) !important;
    border: 1.5px solid rgba(79, 124, 255, 0.25) !important;
    box-shadow: 0 2px 8px rgba(79, 124, 255, 0.04) !important;
    font-weight: 600 !important;
    font-size: 14px !important;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Microsoft YaHei", sans-serif !important;
    letter-spacing: 0.3px !important;
    white-space: nowrap !important;
    transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1) !important;
    cursor: pointer !important;
    position: relative !important;
    overflow: hidden !important;
}

/* 按钮光效 - 悬停扫光 */
.base-site p::before,
.app-site p::before {
    content: '' !important;
    position: absolute !important;
    top: 0 !important;
    left: -150% !important;
    width: 150% !important;
    height: 100% !important;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent) !important;
    transform: skewX(-25deg) !important;
    transition: left 0.7s ease !important;
    pointer-events: none !important;
}

.base-site p:hover::before,
.app-site p:hover::before {
    left: 150% !important;
}

/* 按钮悬停 */
.base-site p:hover,
.app-site p:hover {
    color: #ffffff !important;
    background: linear-gradient(135deg, #4f7cff, #6c5ce7) !important;
    border-color: #4f7cff !important;
    box-shadow: 
        0 8px 32px rgba(79, 124, 255, 0.35),
        0 2px 8px rgba(79, 124, 255, 0.15) !important;
    transform: translateY(-4px) scale(1.04) !important;
}

/* 按钮点击 */
.base-site p:active,
.app-site p:active {
    transform: scale(0.93) !important;
    box-shadow: 0 2px 8px rgba(79, 124, 255, 0.15) !important;
    transition-duration: 0.08s !important;
}

/* ============================================
   ★ 响应式 - 平板 (≤768px) ★
   ============================================ */

@media screen and (max-width: 768px) {
    .down-site {
        padding: 22px 24px 24px 24px !important;
        margin: 16px 14px !important;
        border-radius: 20px !important;
    }

    .signal-header {
        font-size: 15px !important;
        margin-bottom: 16px !important;
        flex-wrap: wrap !important;
    }

    .signal-header::after {
        font-size: 10px !important;
        padding: 2px 14px 2px 10px !important;
    }

    .base-site p,
    .app-site p {
        padding: 8px 20px !important;
        font-size: 13px !important;
        margin: 4px 6px !important;
        border-radius: 24px !important;
    }

    .signal-buttons-wrapper {
        display: flex !important;
        flex-wrap: wrap !important;
        justify-content: center !important;
        gap: 6px 8px !important;
    }
}

/* ============================================
   ★ 响应式 - 手机 (≤480px) ★
   ============================================ */

@media screen and (max-width: 480px) {
    .down-site {
        padding: 18px 16px 20px 16px !important;
        margin: 12px 10px !important;
        border-radius: 18px !important;
    }

    .down-site::before {
        height: 3px !important;
    }

    .signal-header {
        font-size: 14px !important;
        margin-bottom: 14px !important;
        flex-wrap: wrap !important;
        gap: 8px !important;
    }

    .signal-title-text::before {
        font-size: 16px !important;
    }

    .signal-header::after {
        font-size: 9px !important;
        padding: 2px 12px 2px 8px !important;
        margin-left: 0 !important;
    }

    .signal-count {
        font-size: 10px !important;
        padding: 1px 12px !important;
    }

    .signal-buttons-wrapper {
        display: grid !important;
        grid-template-columns: 1fr 1fr !important;
        gap: 6px 8px !important;
    }

    .ul-signal {
        display: grid !important;
        grid-template-columns: 1fr 1fr !important;
        gap: 6px 8px !important;
        width: 100% !important;
        grid-column: 1 / -1 !important;
    }

    .base-site p,
    .app-site p {
        display: flex !important;
        width: 100% !important;
        padding: 8px 6px !important;
        font-size: 12px !important;
        margin: 0 !important;
        border-radius: 10px !important;
        font-weight: 500 !important;
        text-align: center !important;
        justify-content: center !important;
        align-items: center !important;
        white-space: nowrap !important;
        border-width: 1.5px !important;
        min-height: 34px !important;
        box-sizing: border-box !important;
        letter-spacing: 0.2px !important;
    }

    .base-site p::before,
    .app-site p::before {
        display: none !important;
    }

    .base-site p:hover,
    .app-site p:hover {
        transform: translateY(-2px) scale(1.03) !important;
        box-shadow: 0 4px 20px rgba(79, 124, 255, 0.35) !important;
    }

    .base-site p:active,
    .app-site p:active {
        transform: scale(0.95) !important;
    }
}