/* =========================================================
   文档下载页专属样式
   文件：css/downlist.css
   依赖：css/style.css、css/aboutus.css、css/productslist.css
   ========================================================= */

/* ========== Section 1：标题 + 描述 ========== */
.dl-intro {
    padding: 100px 20px 64px;
    background: var(--bg-white);
}
.dl-intro-inner {
    max-width: 760px;
    margin: 0 auto;
    text-align: center;
}
.dl-intro-en {
    display: inline-block;
    font-size: 12px;
    font-weight: 600;
    color: #70b52c;
    letter-spacing: 4px;
    margin-bottom: 18px;
}
.dl-intro h2 {
    font-size: clamp(28px, 3.4vw, 40px);
    font-weight: 700;
    color: var(--primary-dark);
    line-height: 1.35;
    letter-spacing: -0.5px;
    margin-bottom: 20px;
}
.dl-intro p {
    font-size: 15px;
    line-height: 2;
    color: var(--text-muted);
}

/* ========== Section 2：下载列表 3 列 ========== */
.dl-list {
    padding: 24px 20px 100px;
    background: var(--bg-white);
}
.dl-list-inner {
    max-width: var(--container);
    margin: 0 auto;
}
.dl-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.dl-card {
    position: relative;
    background: #fff;
    border: 1px solid #eef0f5;
    border-radius: 16px;
    padding: 24px;
    transition: transform 0.3s ease, box-shadow 0.35s ease, border-color 0.3s ease;
    display: flex; flex-direction: row;
    gap: 18px;
    align-items: flex-start;
}
.dl-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 16px 40px rgba(0,0,0,0.1);
    border-color: rgba(26,95,160,0.25);
}

/* 文件图标（左侧固定） */
.dl-card-icon {
    width: 64px; height: 64px;
    flex-shrink: 0;
    display: flex; align-items: center; justify-content: center;
    background: #f2f5fa;
    border-radius: 14px;
    overflow: hidden;
}
.dl-card-icon img {
    max-width: 36px; max-height: 36px;
    object-fit: contain;
}
.dl-card-icon.pdf { background: linear-gradient(135deg, #fff5f0 0%, #ffe1d6 100%); }
.dl-card-icon.doc { background: linear-gradient(135deg, #e8f1fc 0%, #d0e2f8 100%); }
.dl-card-icon.xls { background: linear-gradient(135deg, #eef8ef 0%, #d7edd8 100%); }
.dl-card-icon.zip { background: linear-gradient(135deg, #faf4e8 0%, #f0e0bd 100%); }

/* 右侧文字容器 */
.dl-card-body {
    flex: 1;
    min-width: 0;
    display: flex; flex-direction: column;
    gap: 10px;
    justify-content: center;
}

/* ========== Section 3：咨询 CTA ========== */

.dl-card-title {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-dark);
    line-height: 1.55;
    margin: 0;
    word-wrap: break-word;
    word-break: break-all;
    overflow-wrap: break-word;
}

/* 元信息行 */
.dl-card-meta {
    display: flex;
    gap: 18px;
    font-size: 12px;
    color: var(--text-muted);
    margin: 0;
    padding: 0;
}
.dl-card-meta span {
    display: inline-flex; align-items: center; gap: 5px;
}
.dl-card-meta i { font-size: 11px; color: var(--primary); }

/* ========== Section 3：咨询 CTA ========== */
.dl-cta {
    position: relative;
    padding: 96px 20px;
    background: url('/uploads/20261110/3a6e9392f82a9618a9218ec12f8bf9a0.jpg') center/cover no-repeat fixed;
    overflow: hidden;
}
.dl-cta::before {
    content: '';
    position: absolute; inset: 0;
    background: linear-gradient(135deg, rgb(94 169 97 / 88%) 0%, rgb(117 188 255 / 18%) 50%, rgb(55 115 133) 100%);
}
.dl-cta-inner {
    position: relative; z-index: 2;
    max-width: 720px;
    margin: 0 auto;
    text-align: center;
    color: #fff;
}
.dl-cta-icon {
    width: 72px; height: 72px;
    background: #70b52c;
    border-radius: 50%;
    margin: 0 auto 28px;
    display: flex; align-items: center; justify-content: center;
    font-size: 28px;
    box-shadow: 0 8px 32px rgba(112,181,44,0.5);
    animation: dlFloat 3s ease-in-out infinite;
}
@keyframes dlFloat {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}
.dl-cta h2 {
    font-size: clamp(24px, 3vw, 34px);
    font-weight: 700;
    line-height: 1.4;
    margin-bottom: 14px;
    letter-spacing: -0.3px;
}
.dl-cta-desc {
    font-size: 15px;
    color: rgba(255,255,255,0.8);
    line-height: 1.9;
    margin-bottom: 36px;
}
.dl-cta-buttons {
    display: flex; gap: 16px; justify-content: center; flex-wrap: wrap;
}
.dl-cta-btn {
    display: inline-flex; align-items: center; gap: 10px;
    padding: 15px 36px;
    font-size: 15px; font-weight: 600;
    border-radius: 50px;
    cursor: pointer; border: none;
    text-decoration: none;
    transition: all 0.3s ease;
}
.dl-cta-btn--primary {
    background: #70b52c;
    color: #fff;
    box-shadow: 0 6px 24px rgba(112,181,44,0.45);
}
.dl-cta-btn--primary:hover {
    background: #5c9a23;
    transform: translateY(-2px);
}
.dl-cta-btn--ghost {
    background: transparent;
    color: #fff;
    border: 2px solid rgba(255,255,255,0.5);
}
.dl-cta-btn--ghost:hover {
    background: #fff;
    color: var(--primary);
    border-color: #fff;
    transform: translateY(-2px);
}

/* ========== 响应式 ========== */
@media (max-width: 1024px) {
    .dl-intro { padding: 72px 20px 48px; }
    .dl-list { padding: 24px 20px 72px; }
    .dl-grid { grid-template-columns: repeat(3, 1fr); gap: 18px; }
}
@media (max-width: 768px) {
    .dl-intro { padding: 56px 16px 40px; }
    .dl-list { padding: 16px 16px 56px; }
    .dl-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
    .dl-card { flex-direction: column; gap: 14px; padding: 20px; }
    .dl-card-icon { margin-bottom: 0; }
    .dl-card-body { gap: 10px; }
    .dl-cta { padding: 64px 20px; }
    .dl-cta-icon { width: 56px; height: 56px; font-size: 22px; }
}
@media (max-width: 480px) {
    .dl-grid { grid-template-columns: 1fr; }
}