.article-hero {
    background: linear-gradient(135deg, #1e3a5f 0%, #2d5f8a 40%, #3b82b6 100%);
    padding: 3.5rem 0 2.5rem;
    position: relative;
    overflow: hidden;
    margin-top: -1px;
}
.article-hero::before {
    content: '';
    position: absolute;
    top: -40%;
    right: -15%;
    width: 300px;
    height: 300px;
    border-radius: 50%;
    background: rgba(255,255,255,.04);
}
.article-hero .badge-row span {
    background: rgba(255,255,255,.15);
    color: #fff;
    padding: .25rem .8rem;
    border-radius: 20px;
    font-size: .78rem;
    font-weight: 500;
}
.article-hero h1 {
    font-size: 2rem;
    font-weight: 800;
    color: #fff;
    line-height: 1.3;
}
.article-card-wrapper {
    background: #fff;
    border-radius: 16px;
    box-shadow: 0 2px 20px rgba(0,0,0,.06);
    padding: 2.5rem;
    margin-top: -30px;
    position: relative;
    z-index: 2;
}
.article-card-wrapper h1 {
    font-size: 1.8rem;
    font-weight: 800;
    color: #1a1a2e;
    line-height: 1.4;
    margin-bottom: 1rem;
}
.article-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    padding-bottom: 1rem;
    margin-bottom: 1.5rem;
    border-bottom: 1px solid #f1f5f9;
    font-size: .85rem;
    color: #94a3b8;
}
.article-meta span {
    display: inline-flex;
    align-items: center;
    gap: .35rem;
}
.article-meta i {
    color: #1d4ed8;
}
.article-thumbnail {
    margin-bottom: 2rem;
    border-radius: 12px;
    overflow: hidden;
}
.article-thumbnail img {
    width: 100%;
    max-height: 420px;
    object-fit: cover;
    border-radius: 12px;
}
.article-body {
    font-size: 1.02rem;
    line-height: 1.85;
    color: #374151;
}
.article-body p {
    margin-bottom: 1.2rem;
}
.article-body h2 {
    font-size: 1.4rem;
    font-weight: 700;
    color: #1a1a2e;
    margin: 2rem 0 1rem;
}
.article-body h3 {
    font-size: 1.2rem;
    font-weight: 700;
    color: #1a1a2e;
    margin: 1.5rem 0 .8rem;
}
.article-body img {
    max-width: 100%;
    height: auto;
    border-radius: 10px;
    margin: 1.2rem 0;
}
.article-body a {
    color: #1d4ed8;
    text-decoration: underline;
}
.article-body blockquote {
    border-left: 3px solid #1d4ed8;
    padding: .8rem 1.2rem;
    margin: 1.5rem 0;
    background: #f8fafc;
    border-radius: 0 8px 8px 0;
    color: #64748b;
    font-style: italic;
}
.btn-back {
    display: inline-flex;
    align-items: center;
    gap: .5rem;
    padding: .65rem 1.4rem;
    background: #f1f5f9;
    color: #475569;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    font-size: .9rem;
    transition: all .25s;
}
.btn-back:hover {
    background: #1d4ed8;
    color: #fff;
}
.recommended-section {
    padding: 3.5rem 0;
    background: #f8fafc;
}
.recommended-section .section-title {
    font-size: 1.5rem;
    font-weight: 800;
    color: #1a1a2e;
    border-left: 4px solid #1d4ed8;
    padding-left: 1rem;
    margin-bottom: 2rem;
}
.rec-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    background: #fff;
    border-radius: 12px;
    padding: 1.1rem 1.3rem;
    margin-bottom: .8rem;
    box-shadow: 0 2px 8px rgba(0,0,0,.04);
    border-left: 4px solid #e2e8f0;
    transition: all .3s;
}
.rec-item:hover {
    border-left-color: #1d4ed8;
    box-shadow: 0 4px 16px rgba(0,0,0,.08);
    transform: translateX(4px);
}
.rec-item .rec-num {
    font-size: 1.4rem;
    font-weight: 800;
    color: #1d4ed8;
    min-width: 28px;
    text-align: center;
    flex-shrink: 0;
    line-height: 1.4;
}
.rec-item .rec-info {
    flex: 1;
    min-width: 0;
}
.rec-item .rec-title {
    font-size: .95rem;
    font-weight: 600;
    margin-bottom: .25rem;
}
.rec-item .rec-title a {
    color: #1a1a2e;
    text-decoration: none;
    transition: color .25s;
}
.rec-item .rec-title a:hover {
    color: #1d4ed8;
}
.rec-item .rec-excerpt {
    font-size: .85rem;
    color: #888;
    line-height: 1.4;
    margin-bottom: .3rem;
}
.rec-item .rec-date {
    font-size: .78rem;
    color: #bbb;
}
.rec-item .rec-date i {
    margin-right: .3rem;
}
.error-card {
    text-align: center;
    padding: 4rem 2rem;
    background: #fff;
    border-radius: 16px;
    box-shadow: 0 2px 20px rgba(0,0,0,.06);
}
.error-card h1 {
    font-size: 2rem;
    font-weight: 800;
    color: #1a1a2e;
    margin-bottom: .8rem;
}
.error-card p {
    color: #888;
    margin-bottom: 1.5rem;
}
@media (max-width: 767px) {
    .article-hero h1 {
        font-size: 1.5rem;
    }
    .article-card-wrapper {
        padding: 1.5rem;
    }
    .article-card-wrapper h1 {
        font-size: 1.4rem;
    }
    .article-body {
        font-size: .95rem;
    }
}