/* ========== 下载页主体区块 ========== */
.download-section {
    padding: 20px 16px;
    max-width: 720px;
    margin: 0 auto;
}
.download-block {
    position: relative;
    background: #1a1410;
    border: 2px solid #b88646;
    padding: 24px 18px;
    margin-bottom: 20px;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.6);
}
/* 区块四角复古装饰 */
.download-block::before,
.download-block::after,
.download-block .corner-bl,
.download-block .corner-br {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    border: 2px solid #b88646;
}
.download-block::before { top: -2px; left: -2px; border-right: none; border-bottom: none; }
.download-block::after { top: -2px; right: -2px; border-left: none; border-bottom: none; }
.download-block .corner-bl { bottom: -2px; left: -2px; border-right: none; border-top: none; }
.download-block .corner-br { bottom: -2px; right: -2px; border-left: none; border-top: none; }

.block-title {
    position: relative;
    color: #d4af67;
    font-size: 18px;
    letter-spacing: 3px;
    margin-bottom: 24px;
    text-align: center;
    font-weight: 500;
    text-shadow: 0 0 10px rgba(212, 175, 103, 0.3);
}
/* 标题两侧装饰线 */
.block-title::before,
.block-title::after {
    content: '';
    position: absolute;
    top: 50%;
    width: 60px;
    height: 1px;
    background: linear-gradient(90deg, transparent, #b88646);
    transform: translateY(-50%);
}
.block-title::before { left: 10px; }
.block-title::after {
    right: 10px;
    background: linear-gradient(90deg, #b88646, transparent);
}

/* ========== 移动端二维码区域 ========== */
.qr-row {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}
.qr-card {
    text-align: center;
    width: 150px;
    padding: 15px 12px;
    background: #0f0a06;
    border: 1px solid #8b6a3a;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
}
.qr-card:hover {
    transform: translateY(-3px);
    border-color: #d4af67;
    box-shadow: 0 5px 15px rgba(184, 134, 70, 0.2);
}
.qr-card img {
    width: 110px;
    height: 110px;
    border: 2px solid #b88646;
    padding: 4px;
    background: #fff;
    margin: 0 auto 12px;
}
.qr-card h4 {
    color: #ffe8b0;
    font-size: 15px;
    margin-bottom: 4px;
    font-weight: 500;
    letter-spacing: 1px;
}
.qr-card p {
    color: #887755;
    font-size: 12px;
    line-height: 1.6;
    margin-bottom: 12px;
    flex: 1;
}
/* 移动端下载按钮 */
.qr-card .download-btn {
    display: inline-block;
    width: 100%;
    height: 38px;
    line-height: 38px;
    background: linear-gradient(180deg, #d94242 0%, #b82020 45%, #8b1010 100%);
    color: #ffe8b0;
    font-size: 13px;
    font-weight: bold;
    letter-spacing: 2px;
    text-decoration: none;
    clip-path: polygon(5% 0, 95% 0, 100% 50%, 95% 100%, 5% 100%, 0 50%);
    box-shadow: 0 0 10px rgba(200, 46, 46, 0.3);
    transition: all 0.2s ease;
}
.qr-card .download-btn:hover {
    box-shadow: 0 0 16px rgba(200, 46, 46, 0.5);
    filter: brightness(1.1);
}

/* ========== PC端下载按钮区域 ========== */
.pc-download-row {
    display: flex;
    flex-direction: column;
    gap: 15px;
    align-items: center;
}
.download-btn-card {
    width: 100%;
    max-width: 360px;
    padding: 20px 18px;
    background: #0f0a06;
    border: 1px solid #8b6a3a;
    text-align: center;
    transition: all 0.3s ease;
    box-shadow: inset 0 0 20px rgba(0, 0, 0, 0.5);
}
.download-btn-card:hover {
    border-color: #d4af67;
    box-shadow: inset 0 0 20px rgba(0, 0, 0, 0.5), 0 0 15px rgba(184, 134, 70, 0.2);
}
.download-btn-card h4 {
    color: #ffe8b0;
    font-size: 16px;
    margin-bottom: 6px;
    font-weight: 500;
    letter-spacing: 1px;
}
.download-btn-card .file-info {
    color: #887755;
    font-size: 12px;
    margin-bottom: 16px;
    line-height: 1.8;
}
/* PC端下载按钮 */
.download-btn-card .download-btn {
    display: inline-block;
    width: 100%;
    height: 44px;
    line-height: 44px;
    background: linear-gradient(180deg, #d94242 0%, #b82020 45%, #8b1010 100%);
    color: #ffe8b0;
    font-size: 15px;
    font-weight: bold;
    letter-spacing: 3px;
    text-decoration: none;
    clip-path: polygon(5% 0, 95% 0, 100% 50%, 95% 100%, 5% 100%, 0 50%);
    box-shadow: 0 0 12px rgba(200, 46, 46, 0.4);
    transition: all 0.2s ease;
}
.download-btn-card .download-btn:hover {
    box-shadow: 0 0 20px rgba(200, 46, 46, 0.6);
    filter: brightness(1.1);
    transform: translateY(-1px);
}

/* ========== 底部提示 ========== */
.download-tip {
    margin-top: 20px;
    padding-top: 18px;
    border-top: 1px dashed #8b6a3a;
    color: #9a8a70;
    font-size: 12px;
    line-height: 1.8;
    text-align: center;
}