/* ============================================================
   Blog List Page Styles — zh-CN
   Shares CSS variables and base reset from main.css
   ============================================================ */

/* ---- Page Hero Banner ---- */
.blog-hero {
    background: linear-gradient(115deg, #0e0020 0%, #1a0035 40%, #2d0060 70%, #3a0070 100%);
    padding: 80px 0 72px;
    position: relative;
    overflow: hidden;
}
.blog-hero::before {
    content: '';
    position: absolute;
    top: -80px;
    right: -80px;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(217,70,239,0.2) 0%, transparent 65%);
    pointer-events: none;
}
.blog-hero::after {
    content: '';
    position: absolute;
    bottom: -60px;
    left: 10%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(109,40,217,0.18) 0%, transparent 65%);
    pointer-events: none;
}
.blog-hero-inner {
    position: relative;
    z-index: 1;
}
.blog-hero-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(217,70,239,0.15);
    border: 1px solid rgba(217,70,239,0.3);
    color: #f0abfc;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    padding: 6px 14px;
    border-radius: 50px;
    margin-bottom: 24px;
}
.blog-hero-tag span {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: #d946ef;
    animation: pulse-dot 1.8s ease-in-out infinite;
}
@keyframes pulse-dot {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(0.7); }
}
.blog-hero h1 {
    font-size: 52px;
    font-weight: 900;
    color: #fff;
    letter-spacing: -2px;
    line-height: 1.1;
    margin-bottom: 18px;
}
.blog-hero h1 em {
    font-style: normal;
    background: linear-gradient(90deg, #f0abfc 0%, #a78bfa 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.blog-hero-desc {
    font-size: 17px;
    color: rgba(255,255,255,0.55);
    max-width: 560px;
    line-height: 1.7;
    margin-bottom: 32px;
}
.blog-hero-meta {
    display: flex;
    align-items: center;
    gap: 28px;
    flex-wrap: wrap;
}
.blog-count-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 50px;
    padding: 8px 20px 8px 8px;
    color: rgba(255,255,255,0.7);
    font-size: 14px;
    font-weight: 500;
}
.blog-count-num {
    background: var(--gradient-purple);
    color: #fff;
    font-size: 13px;
    font-weight: 700;
    border-radius: 50px;
    padding: 4px 12px;
    min-width: 32px;
    text-align: center;
}


/* ---- Main Content Area ---- */
.blog-main {
    padding: 56px 0 80px;
    background: #faf8ff;
    min-height: 60vh;
}

/* ---- Featured Card (first article) ---- */
.blog-featured-wrap {
    margin-bottom: 48px;
}
.blog-featured-label {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    color: var(--color-primary);
    margin-bottom: 16px;
}
.blog-featured-label::before {
    content: '';
    display: inline-block;
    width: 16px;
    height: 2px;
    background: var(--color-primary);
    border-radius: 2px;
}
.card-featured {
    display: grid;
    grid-template-columns: 1fr 420px;
    min-height: 340px;
    border-radius: var(--border-radius-md);
    overflow: hidden;
    background: #fff;
    box-shadow: 0 4px 24px rgba(109,40,217,0.08), 0 1px 4px rgba(0,0,0,0.04);
    transition: transform 0.3s, box-shadow 0.3s;
    text-decoration: none;
    color: inherit;
}
.card-featured:hover {
    transform: translateY(-4px);
    box-shadow: 0 16px 48px rgba(109,40,217,0.14), 0 2px 8px rgba(0,0,0,0.06);
}
.card-featured-cover {
    position: relative;
    overflow: hidden;
}
.card-featured-cover-inner {
    width: 100%;
    height: 100%;
    min-height: 340px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.card-featured-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}
.cover-fallback {
    width: 100%;
    height: 100%;
    min-height: 340px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 64px;
    color: rgba(255,255,255,0.9);
}
.card-featured-body {
    padding: 44px 48px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    border-left: 1px solid rgba(0,0,0,0.05);
}
.card-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 16px;
}
.card-tag {
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.4px;
    padding: 3px 10px;
    border-radius: 50px;
    background: rgba(168,85,247,0.1);
    color: #7c3aed;
}
.card-featured-body h2 {
    font-size: 26px;
    font-weight: 800;
    letter-spacing: -0.5px;
    line-height: 1.3;
    color: var(--color-text-dark);
    margin-bottom: 14px;
}
.card-featured-body h2:hover { color: var(--color-primary); }
.card-summary {
    font-size: 15px;
    color: var(--color-text-muted);
    line-height: 1.7;
    margin-bottom: 28px;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.card-footer-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    flex-wrap: wrap;
}
.card-date {
    font-size: 13px;
    color: var(--color-text-muted);
    display: flex;
    align-items: center;
    gap: 6px;
}
.card-date svg { opacity: 0.5; }
.card-reading-time {
    font-size: 13px;
    color: var(--color-text-muted);
    display: flex;
    align-items: center;
    gap: 5px;
}
.card-read-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    font-weight: 600;
    color: var(--color-primary);
    transition: gap 0.2s;
}
.card-featured:hover .card-read-link { gap: 10px; }

/* ---- Regular Cards Grid ---- */
.blog-grid-label {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 24px;
}
.blog-grid-label h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--color-text-dark);
    letter-spacing: -0.3px;
}
.blog-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.card-regular {
    background: #fff;
    border-radius: var(--border-radius-md);
    overflow: hidden;
    box-shadow: 0 2px 12px rgba(0,0,0,0.05);
    transition: transform 0.3s, box-shadow 0.3s;
    display: flex;
    flex-direction: column;
    text-decoration: none;
    color: inherit;
    border: 1px solid rgba(0,0,0,0.04);
}
.card-regular:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 36px rgba(109,40,217,0.12);
    border-color: rgba(168,85,247,0.2);
}
.card-cover-wrap {
    width: 100%;
    height: 180px;
    overflow: hidden;
    position: relative;
    flex-shrink: 0;
}
.card-cover-wrap img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.4s;
}
.card-regular:hover .card-cover-wrap img { transform: scale(1.04); }
.card-cover-fallback {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 42px;
    color: rgba(255,255,255,0.9);
    transition: transform 0.4s;
}
.card-regular:hover .card-cover-fallback { transform: scale(1.05); }
.card-body {
    padding: 22px 24px 20px;
    display: flex;
    flex-direction: column;
    flex: 1;
}
.card-body h3 {
    font-size: 16px;
    font-weight: 700;
    letter-spacing: -0.2px;
    line-height: 1.4;
    color: var(--color-text-dark);
    margin-bottom: 10px;
    margin-top: 4px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.card-body .card-summary {
    font-size: 13.5px;
    -webkit-line-clamp: 2;
    margin-bottom: 16px;
    flex: 1;
}
.card-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    margin-top: auto;
    padding-top: 14px;
    border-top: 1px solid rgba(0,0,0,0.05);
}
.card-meta-left {
    display: flex;
    align-items: center;
    gap: 12px;
}

/* ---- Empty State ---- */
.blog-empty {
    text-align: center;
    padding: 80px 20px;
    display: none;
}
.blog-empty-icon {
    font-size: 48px;
    margin-bottom: 16px;
    opacity: 0.4;
}
.blog-empty p {
    color: var(--color-text-muted);
    font-size: 15px;
}

/* ---- Newsletter CTA Strip ---- */
.blog-cta {
    background: linear-gradient(115deg, #5b21b6 0%, #7c3aed 50%, #a855f7 100%);
    padding: 64px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}
.blog-cta::before {
    content: '';
    position: absolute;
    top: -80px;
    left: 50%;
    transform: translateX(-50%);
    width: 600px;
    height: 300px;
    background: radial-gradient(ellipse, rgba(255,255,255,0.08) 0%, transparent 70%);
}
.blog-cta-inner { position: relative; z-index: 1; }
.blog-cta h2 {
    font-size: 34px;
    font-weight: 900;
    color: #fff;
    letter-spacing: -1px;
    margin-bottom: 14px;
}
.blog-cta p {
    font-size: 16px;
    color: rgba(255,255,255,0.65);
    margin-bottom: 32px;
    max-width: 480px;
    margin-left: auto;
    margin-right: auto;
}
.blog-cta-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: #fff;
    color: #5b21b6;
    font-size: 15px;
    font-weight: 700;
    padding: 14px 32px;
    border-radius: 50px;
    transition: all 0.25s;
    box-shadow: 0 4px 20px rgba(0,0,0,0.15);
}
.blog-cta-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 32px rgba(0,0,0,0.2);
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
    .blog-grid { grid-template-columns: repeat(2, 1fr); }
    .card-featured { grid-template-columns: 1fr 360px; }
    .card-featured-body { padding: 32px 36px; }
    .card-featured-body h2 { font-size: 22px; }
    .blog-hero h1 { font-size: 40px; }
}

@media (max-width: 900px) {
    .card-featured {
        grid-template-columns: 1fr;
    }
    .card-featured-cover-inner { min-height: 240px; }
    .cover-fallback { min-height: 240px; }
    .card-featured-body {
        padding: 28px 28px;
        border-left: none;
        border-top: 1px solid rgba(0,0,0,0.05);
    }
}

@media (max-width: 768px) {
    .blog-hero { padding: 60px 0 52px; }
    .blog-hero h1 { font-size: 30px; letter-spacing: -1px; }
    .blog-hero-desc { font-size: 15px; }
    .blog-main { padding: 36px 0 60px; }
    .blog-grid { grid-template-columns: 1fr; }
    .card-featured-body h2 { font-size: 20px; }
    .blog-cta h2 { font-size: 26px; }
    .card-footer-meta { flex-direction: column; align-items: flex-start; gap: 10px; }
    .blog-grid-label { flex-direction: column; align-items: flex-start; gap: 8px; }
}