/* 产品库（应用领域）页面样式 */
.page-header-product-library { background: linear-gradient(120deg, var(--daping-primary), #1a4d80); color: #fff; padding: 56px 0 44px; text-align: center; }
.page-header-product-library h1 { color: #fff; font-size: 34px; margin: 0 0 6px; letter-spacing: 1px; }
.page-header-product-library .page-header-en { display: inline-block; padding: 4px 14px; border: 1px solid rgba(255,255,255,.4); border-radius: 999px; font-size: 12px; letter-spacing: 2px; opacity: .9; margin: 0 0 14px; }
.page-header-product-library .page-header-sub { opacity: .9; margin: 0; font-size: 15px; }

.pl-library-wrap { padding: 40px 0 56px; }
.pl-app-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
@media (max-width: 900px) { .pl-app-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .pl-app-grid { grid-template-columns: 1fr; } }

.pl-app-card { background: #fff; border: 1px solid var(--daping-border); border-radius: var(--daping-radius); overflow: hidden; text-decoration: none; color: inherit; display: flex; flex-direction: column; transition: transform .25s, box-shadow .25s, border-color .25s; }
.pl-app-card:hover { transform: translateY(-4px); box-shadow: 0 14px 32px rgba(11,95,165,.16); border-color: var(--daping-primary); }

.pl-app-cover { height: 180px; background-size: cover; background-position: center; background-color: #f4f6f9; position: relative; display: flex; align-items: center; justify-content: center; }
.pl-app-cover::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(0,0,0,0) 40%, rgba(11,95,165,.6) 100%); }
.pl-app-cover-empty { background: linear-gradient(135deg, var(--daping-primary), #1a4d80); }
.pl-app-cover-empty .pl-app-icon { font-size: 64px; color: #fff; opacity: .85; }

.pl-app-body { padding: 16px 18px 18px; flex: 1; display: flex; flex-direction: column; }
.pl-app-title { font-size: 18px; color: var(--daping-heading); margin: 0 0 8px; font-weight: 800; }
.pl-app-blurb { font-size: 13px; color: var(--daping-text); line-height: 1.6; margin: 0 0 14px; min-height: 42px; opacity: .85; }
.pl-app-meta { display: flex; justify-content: space-between; align-items: center; margin-top: auto; padding-top: 12px; border-top: 1px dashed var(--daping-border); }
.pl-app-count { background: var(--daping-primary); color: #fff; padding: 3px 10px; border-radius: 999px; font-size: 12px; font-weight: 700; }
.pl-app-arrow { font-size: 13px; color: var(--daping-primary); font-weight: 700; }
.pl-app-card:hover .pl-app-arrow { color: var(--daping-accent); }

.pl-app-bottom { margin-top: 36px; padding: 24px 28px; background: linear-gradient(120deg, #f4f8fd, #eaf1f8); border-radius: var(--daping-radius); display: flex; align-items: center; justify-content: space-between; gap: 18px; flex-wrap: wrap; }
.pl-app-tip { font-size: 14px; color: var(--daping-text); }
.pl-app-tip a { color: var(--daping-primary); font-weight: 700; }
.pl-app-tip strong { color: var(--daping-heading); font-weight: 800; }
.pl-app-search { display: flex; gap: 0; min-width: 320px; }
.pl-app-search input { flex: 1; padding: 10px 14px; border: 1px solid var(--daping-primary); border-radius: var(--daping-button-radius) 0 0 var(--daping-button-radius); border-right: none; outline: none; }
.pl-app-search button { padding: 10px 22px; border: none; background: var(--daping-primary); color: #fff; border-radius: 0 var(--daping-button-radius) var(--daping-button-radius) 0; cursor: pointer; font-weight: 700; }
.pl-app-search button:hover { background: #084a85; }
.pl-empty { padding: 60px 20px; text-align: center; color: var(--daping-secondary); font-size: 16px; }

/* 页眉纯文字品牌 */
.site-header .site-title { font-family: var(--daping-font-head); font-size: 32px; font-weight: 900; color: var(--daping-primary); letter-spacing: 1px; line-height: 1; text-decoration: none; }
.site-header .site-title:hover { color: var(--daping-accent); }
.site-header .site-description { font-size: 13px; color: var(--daping-secondary); font-weight: 500; letter-spacing: 2px; }

/* 页脚二维码组 */
.footer-qr-block { display: flex; gap: 14px; margin-top: 18px; }
.footer-qr-cell { display: flex; flex-direction: column; align-items: center; text-align: center; flex: 0 0 auto; }
.footer-qr-cell img { width: 84px; height: 84px; object-fit: cover; border: 1px solid var(--daping-border); border-radius: 6px; background: #fff; padding: 4px; }
.footer-qr-caption { font-size: 12px; color: var(--daping-secondary); margin: 6px 0 0; line-height: 1.4; }
@media (max-width: 560px) { .footer-qr-block { justify-content: center; } }