/* ============================================
   CERTIFICATE LIST PAGE - 图片放大，页面美化
   ============================================ */

/* Hero */
.page-hero {
    position: relative;
    padding: 80px 0 70px;
    text-align: center;
    color: var(--white);
    background-size: cover;
    background-position: center center;
    background-repeat: no-repeat;
    min-height: 280px;
    display: flex;
    align-items: center;
}

.page-hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(10,22,40,0.8) 0%, rgba(26,82,118,0.6) 50%, rgba(0,0,0,0.4) 100%);
    z-index: 1;
}

.page-hero .container {
    position: relative;
    z-index: 2;
}

.page-hero h1 {
    font-size: 2.8rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 12px;
    letter-spacing: -0.02em;
}

.page-hero p {
    font-size: 1.1rem;
    color: rgba(255,255,255,0.85);
    max-width: 640px;
    margin: 0 auto;
}

/* Breadcrumb */
.page-breadcrumb {
    padding: 12px 0;
    background: var(--gray-100);
    border-bottom: 1px solid var(--gray-200);
}

.page-breadcrumb .container {
    font-size: 0.85rem;
    color: var(--gray-500);
}

.page-breadcrumb .container a {
    color: var(--primary);
}

.page-breadcrumb .container a:hover {
    text-decoration: underline;
}

.page-breadcrumb .container .sep {
    color: var(--gray-300);
    margin: 0 8px;
}

/* ============================================
   证书列表 - 图片放大，页面美化
   ============================================ */
.certificates-page {
    background: var(--white);
    padding: 40px 0 60px;
}

.cert-list {
    display: flex;
    flex-direction: column;
    gap: 28px;
    margin-bottom: 40px;
}

.cert-item {
    display: grid;
    grid-template-columns: 260px 1fr;
    gap: 30px;
    background: var(--white);
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid var(--gray-200);
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    text-decoration: none;
    color: inherit;
    min-height: 180px;
    position: relative;
    box-shadow: 0 2px 8px rgba(0,0,0,0.04);
}

.cert-item:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 40px rgba(26, 82, 118, 0.12);
    border-color: var(--primary-light);
    text-decoration: none;
}

.cert-item .cert-image {
    height: 180px;
    overflow: hidden;
    background: var(--gray-100);
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.cert-item .cert-image::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(26,82,118,0.03) 0%, transparent 50%);
    pointer-events: none;
}

.cert-item .cert-image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    padding: 16px;
    transition: all 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    background: var(--white);
}

.cert-item:hover .cert-image img {
    transform: scale(1.06);
}

.cert-item .cert-info {
    padding: 20px 28px 20px 0;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.cert-item .cert-info .cert-name {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 6px;
    transition: color 0.3s ease;
}

.cert-item:hover .cert-info .cert-name {
    color: var(--primary);
}

.cert-item .cert-info .cert-desc {
    font-size: 0.9rem;
    color: var(--gray-500);
    line-height: 1.7;
}

/* 序号装饰 */
.cert-item .cert-number {
    position: absolute;
    top: -8px;
    right: 20px;
    font-size: 4rem;
    font-weight: 800;
    color: rgba(26, 82, 118, 0.04);
    line-height: 1;
    pointer-events: none;
    user-select: none;
}

/* Empty State */
.cert-empty {
    text-align: center;
    padding: 80px 0;
    color: var(--gray-500);
    font-size: 1.1rem;
}

.cert-empty::before {
    content: '📄';
    display: block;
    font-size: 3rem;
    margin-bottom: 16px;
}

/* ============================================
   PAGINATION - 美化
   ============================================ */
.pagebar {
    display: flex;
    justify-content: center;
    padding: 30px 0 10px;
}

.pagination {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

.pagination .page-item {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    padding: 0 14px;
    border-radius: 6px;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--gray-700);
    background: var(--white);
    border: 1px solid var(--gray-200);
    transition: all 0.3s ease;
    text-decoration: none;
}

.pagination .page-item:hover {
    background: var(--primary);
    color: var(--white);
    border-color: var(--primary);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(26, 82, 118, 0.2);
    text-decoration: none;
}

.pagination .page-item.active,
.pagination .page-item.current {
    background: var(--primary);
    color: var(--white);
    border-color: var(--primary);
    cursor: default;
    box-shadow: 0 4px 12px rgba(26, 82, 118, 0.2);
}

.pagination .page-item.disabled {
    opacity: 0.4;
    cursor: not-allowed;
    transform: none !important;
    box-shadow: none !important;
}

.pagination .page-item.page-current {
    background: transparent;
    border: none;
    color: var(--gray-500);
    font-weight: 400;
    cursor: default;
    box-shadow: none;
}

.pagination .page-item.page-current:hover {
    background: transparent;
    color: var(--gray-500);
    transform: none;
    box-shadow: none;
}

/* ============================================
   CTA - 美化
   ============================================ */
.page-cta {
    background: var(--gradient-accent);
    padding: 60px 0;
    text-align: center;
    color: var(--white);
    position: relative;
    overflow: hidden;
}

.page-cta::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 300px;
    height: 300px;
    background: rgba(255,255,255,0.05);
    border-radius: 50%;
}

.page-cta::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 200px;
    height: 200px;
    background: rgba(255,255,255,0.04);
    border-radius: 50%;
}

.page-cta .container {
    position: relative;
    z-index: 1;
}

.page-cta h2 {
    font-size: 2.2rem;
    color: var(--white);
    margin-bottom: 12px;
}

.page-cta p {
    font-size: 1.05rem;
    opacity: 0.85;
    max-width: 520px;
    margin: 0 auto 28px;
}

.page-cta .btn-white {
    padding: 14px 44px;
    font-size: 1rem;
    border-radius: 50px;
    box-shadow: 0 4px 20px rgba(255,255,255,0.2);
    transition: all 0.3s ease;
}

.page-cta .btn-white:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 32px rgba(255,255,255,0.3);
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 992px) {
    .page-hero { padding: 60px 0 50px; min-height: 240px; }
    .page-hero h1 { font-size: 2.3rem; }

    .cert-item {
        grid-template-columns: 200px 1fr;
        min-height: 160px;
        gap: 24px;
    }
    .cert-item .cert-image {
        height: 160px;
    }
    .cert-item .cert-info .cert-name {
        font-size: 1rem;
    }
}

@media (max-width: 768px) {
    .page-hero { padding: 50px 0 40px; min-height: 200px; }
    .page-hero h1 { font-size: 1.8rem; }
    .page-hero p { font-size: 1rem; }

    .cert-item {
        grid-template-columns: 140px 1fr;
        min-height: 140px;
        gap: 18px;
        border-radius: 6px;
    }
    .cert-item .cert-image {
        height: 140px;
    }
    .cert-item .cert-image img {
        padding: 12px;
    }
    .cert-item .cert-info {
        padding: 16px 18px 16px 0;
    }
    .cert-item .cert-info .cert-name {
        font-size: 0.9rem;
    }
    .cert-item .cert-info .cert-desc {
        font-size: 0.82rem;
    }
    .cert-item .cert-number {
        font-size: 2.5rem;
        right: 14px;
        top: -4px;
    }

    .page-cta { padding: 40px 0; }
    .page-cta h2 { font-size: 1.6rem; }

    .pagination .page-item { min-width: 34px; height: 34px; font-size: 0.78rem; padding: 0 10px; }
}

@media (max-width: 480px) {
    .page-hero { padding: 40px 0 30px; min-height: 170px; }
    .page-hero h1 { font-size: 1.5rem; }

    .cert-list { gap: 16px; }

    .cert-item {
        grid-template-columns: 100px 1fr;
        min-height: 110px;
        gap: 14px;
        border-radius: 4px;
    }
    .cert-item .cert-image {
        height: 110px;
    }
    .cert-item .cert-image img {
        padding: 8px;
    }
    .cert-item .cert-info {
        padding: 12px 14px 12px 0;
    }
    .cert-item .cert-info .cert-name {
        font-size: 0.82rem;
    }
    .cert-item .cert-info .cert-desc {
        font-size: 0.72rem;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }
    .cert-item .cert-number {
        font-size: 2rem;
        right: 10px;
        top: -2px;
    }

    .page-cta h2 { font-size: 1.3rem; }
    .page-cta p { font-size: 0.9rem; }
    .page-cta .btn-white { padding: 12px 32px; font-size: 0.9rem; }

    .pagination { gap: 5px; }
    .pagination .page-item { min-width: 30px; height: 30px; font-size: 0.7rem; padding: 0 8px; }
}