/* ============================================================
           Blog listing — Obsidian Amber design (mirrors cn/index.html)
           ============================================================ */

        :root {
            --ink: #0a0a0a;
            --ink-soft: #3f3f46;
            --muted: #6b7280;
            --faint: #9ca3af;
            --line: #e7e8ec;
            --surface: #ffffff;
            --surface-alt: #f7f7f9;
            --accent-amber: #f59e0b;
            --accent-amber-deep: #d97706;
            --accent-amber-light: #fbbf24;
            --accent-amber-dark: #b45309;
            --hero-dark: #070604;
        }

        body {
            background: linear-gradient(160deg, #fffbf2 0%, #ffffff 40%, #fffdf5 72%, #fff9ed 100%) !important;
            color: var(--ink) !important;
        }

        main {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
        }
        main h1, main h2, main h3 { font-weight: 800; letter-spacing: -0.02em; color: var(--ink); margin: 0; }
        main p { margin: 0; }

        .wrap { max-width: 1240px; margin: 0 auto; padding: 0 24px; }

        /* ---------- Scroll reveal ---------- */
        .reveal {
            opacity: 0;
            transform: translateY(24px);
            transition: opacity 0.6s cubic-bezier(0.22, 1, 0.36, 1), transform 0.6s cubic-bezier(0.22, 1, 0.36, 1);
        }
        .reveal.revealed { opacity: 1; transform: translateY(0); }

        /* ---------- Shared building blocks ---------- */
        .eyebrow {
            display: inline-flex; align-items: center; gap: 8px;
            font-size: 12.5px; font-weight: 700; letter-spacing: 0.07em;
            text-transform: uppercase; color: var(--accent-amber-deep); margin-bottom: 14px;
        }
        .eyebrow .dot {
            width: 7px; height: 7px; border-radius: 50%;
            background: linear-gradient(135deg, var(--accent-amber-light), var(--accent-amber-deep));
            flex-shrink: 0; box-shadow: 0 0 6px rgba(245,158,11,0.55);
        }

        .clean-card {
            background: rgba(255,255,255,0.82);
            border: 1px solid rgba(255,255,255,0.6);
            border-radius: 20px;
            backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
            box-shadow: 0 2px 12px rgba(15,23,42,0.05), 0 1px 3px rgba(15,23,42,0.03), inset 0 1px 0 rgba(255,255,255,0.88);
            transition: box-shadow 0.25s ease, transform 0.25s ease, border-color 0.25s ease;
        }

        .link-arrow {
            display: inline-flex; align-items: center; gap: 6px;
            width: fit-content; max-width: 100%; align-self: flex-start;
            color: var(--ink); font-weight: 600; font-size: 0.92rem;
            text-decoration: none; border-bottom: 1.5px solid var(--line); padding-bottom: 2px;
            transition: border-color 0.18s ease, gap 0.18s ease, color 0.18s ease;
        }
        .link-arrow:hover { border-color: var(--accent-amber); color: var(--accent-amber-deep); gap: 10px; }

        /* ---------- Text clamp ---------- */
        .line-clamp-2 { display: -webkit-box; -webkit-line-clamp: 2; line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
        .line-clamp-3 { display: -webkit-box; -webkit-line-clamp: 3; line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }

        /* ==================== BLOG HERO (dark) ==================== */
        .blog-hero {
            padding: 128px 0 60px;
            background: var(--hero-dark);
            position: relative; overflow: hidden; isolation: isolate;
        }
        .hero-mesh {
            position: absolute; inset: 0;
            background:
                radial-gradient(ellipse 80% 70% at 10% 30%, rgba(245,158,11,0.18) 0%, transparent 55%),
                radial-gradient(ellipse 55% 55% at 90% 15%, rgba(217,119,6,0.14) 0%, transparent 55%);
            animation: mesh-breathe 13s ease-in-out infinite;
            pointer-events: none;
        }
        @keyframes mesh-breathe { 0%, 100% { opacity: 1; } 50% { opacity: 0.72; } }
        .hero-grid-overlay {
            position: absolute; inset: 0;
            background-image: radial-gradient(circle, rgba(255,255,255,0.06) 1px, transparent 1px);
            background-size: 40px 40px;
            mask-image: linear-gradient(to bottom, transparent 5%, black 30%, black 80%, transparent 100%);
            pointer-events: none;
        }
        .blog-hero .wrap { position: relative; z-index: 2; }

        .blog-breadcrumb {
            display: flex; align-items: center; gap: 8px;
            font-size: 0.82rem; color: rgba(255,255,255,0.42); font-weight: 500;
            margin-bottom: 28px;
        }
        .blog-breadcrumb a { color: rgba(255,255,255,0.68); text-decoration: none; transition: color 0.18s ease; }
        .blog-breadcrumb a:hover { color: var(--accent-amber-light); }

        .blog-hero-badge {
            display: inline-flex; align-items: center; gap: 9px;
            padding: 7px 18px 7px 10px; border-radius: 999px;
            background: rgba(255,255,255,0.07); border: 1px solid rgba(255,255,255,0.13);
            font-size: 13px; font-weight: 600; color: rgba(255,255,255,0.78);
            backdrop-filter: blur(12px); margin-bottom: 22px;
        }
        .blog-hero-badge .pulse-dot {
            position: relative; width: 9px; height: 9px; border-radius: 50%;
            background: linear-gradient(135deg, var(--accent-amber-light), var(--accent-amber)); flex-shrink: 0;
            box-shadow: 0 0 10px rgba(245,158,11,0.8);
        }

        .blog-hero h1 {
            font-size: 2.5rem; line-height: 1.16; letter-spacing: -0.025em;
            color: #fff; font-weight: 800; margin-bottom: 18px; max-width: 720px;
        }
        .blog-hero-lead {
            font-size: 1.02rem; color: rgba(255,255,255,0.58); line-height: 1.85;
            max-width: 640px; margin-bottom: 40px;
        }

        .blog-stats { display: flex; flex-wrap: wrap; gap: 14px; }
        .blog-stat {
            display: flex; flex-direction: column; gap: 3px;
            padding: 14px 24px; border-radius: 16px;
            background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.12);
            backdrop-filter: blur(10px); min-width: 118px;
        }
        .blog-stat .num {
            font-size: 1.65rem; font-weight: 800; letter-spacing: -0.02em; line-height: 1;
            background: linear-gradient(135deg, #fde68a 0%, #fbbf24 50%, #d97706 100%);
            -webkit-background-clip: text; background-clip: text; color: transparent;
        }
        .blog-stat .label {
            font-size: 0.7rem; color: rgba(255,255,255,0.4); font-weight: 600;
            text-transform: uppercase; letter-spacing: 0.06em;
        }

        /* ==================== MARQUEE ==================== */
        .marquee-section {
            background: linear-gradient(180deg, #080602 0%, #0a0805 100%);
            border-top: 1px solid rgba(245,158,11,0.08);
            border-bottom: 1px solid rgba(245,158,11,0.08);
            padding: 15px 0; overflow: hidden;
        }
        .marquee-wrap { overflow: hidden; white-space: nowrap; user-select: none; }
        .marquee-track { display: inline-flex; align-items: center; animation: marquee-roll 36s linear infinite; }
        .marquee-track:hover { animation-play-state: paused; }
        @keyframes marquee-roll { 0% { transform: translateX(0); } 100% { transform: translateX(-50%); } }
        .m-item { display: inline-flex; align-items: center; gap: 9px; padding: 0 28px; font-size: 13px; font-weight: 600; color: rgba(255,255,255,0.42); }
        .m-item svg { color: rgba(245,158,11,0.55); }
        .m-sep { width: 4px; height: 4px; border-radius: 50%; background: rgba(245,158,11,0.35); flex-shrink: 0; }

        /* ==================== CONTENT SECTION ==================== */
        .blog-content { padding: 68px 0 100px; background: transparent; }

        .filter-toolbar {
            display: flex; align-items: center; justify-content: space-between;
            flex-wrap: wrap; gap: 16px; margin-bottom: 40px;
        }
        .filter-pills { display: flex; flex-wrap: wrap; gap: 10px; }
        .cat-pill {
            display: inline-flex; align-items: center; gap: 7px;
            padding: 9px 17px; border-radius: 999px;
            font-size: 0.85rem; font-weight: 600; color: var(--ink-soft);
            background: rgba(255,255,255,0.72); border: 1px solid rgba(230,232,240,0.85);
            box-shadow: 0 1px 4px rgba(0,0,0,0.04), inset 0 1px 0 rgba(255,255,255,0.8);
            cursor: pointer; transition: all 0.2s ease; font-family: inherit;
        }
        .cat-pill:hover { border-color: rgba(245,158,11,0.35); background: rgba(255,255,255,0.92); transform: translateY(-1px); }
        .cat-pill.active {
            background: linear-gradient(135deg, #f59e0b 0%, #fbbf24 60%, #fde68a 100%);
            color: #1a0e00; border-color: transparent;
            box-shadow: 0 4px 16px rgba(245,158,11,0.32);
        }
        .cat-pill .count { font-size: 0.72rem; font-weight: 700; opacity: 0.62; }
        .cat-pill.active .count { opacity: 0.75; }

        .result-count { font-size: 0.85rem; color: var(--muted); font-weight: 500; white-space: nowrap; }
        .result-count strong { color: var(--ink); font-weight: 800; }

        /* ---------- Hero (latest) article card ---------- */
        #hero-article-slot { margin-bottom: 32px; }
        .article-hero { padding: 0; overflow: hidden; display: grid; grid-template-columns: 1fr; }
        .article-hero-thumb { width: 100%; aspect-ratio: 16/9; object-fit: cover; display: block; transition: transform 0.5s ease; }
        .article-hero:hover .article-hero-thumb { transform: scale(1.02); }
        .article-hero-body { padding: 30px 28px 32px; display: flex; flex-direction: column; }
        .article-hero-badge {
            display: inline-flex; align-items: center; gap: 6px; align-self: flex-start;
            padding: 5px 14px; border-radius: 999px; margin-bottom: 16px;
            background: linear-gradient(135deg, #f59e0b, #fbbf24); color: #1a0e00;
            font-size: 11px; font-weight: 800; letter-spacing: 0.04em; text-transform: uppercase;
            box-shadow: 0 3px 12px rgba(245,158,11,0.32);
        }
        .cat-chip {
            display: inline-flex; align-items: center; align-self: flex-start;
            padding: 4px 11px; border-radius: 999px; margin-bottom: 14px;
            font-size: 0.7rem; font-weight: 700;
            background: rgba(245,158,11,0.10); color: var(--accent-amber-deep);
            border: 1px solid rgba(245,158,11,0.18);
        }
        .article-hero h2 { font-size: 1.55rem; line-height: 1.34; margin-bottom: 14px; }
        .article-hero h2 a { color: inherit; text-decoration: none; }
        .article-hero h2 a:hover { color: var(--accent-amber-deep); }
        .article-hero p { font-size: 0.95rem; color: var(--muted); line-height: 1.8; margin-bottom: 22px; }
        .article-meta {
            display: flex; align-items: center; gap: 16px; flex-wrap: wrap;
            font-size: 0.78rem; color: var(--faint); font-weight: 600; margin-bottom: 20px;
        }
        .article-meta svg { margin-right: 4px; color: var(--faint); }

        @media (min-width: 860px) {
            .article-hero { grid-template-columns: 1.05fr 1fr; }
            .article-hero-thumb { height: 100%; aspect-ratio: auto; }
            .article-hero-body { padding: 44px 46px; justify-content: center; }
            .article-hero h2 { font-size: 1.85rem; }
        }

        /* ---------- Regular article grid ---------- */
        .articles-grid { display: grid; grid-template-columns: 1fr; gap: 22px; }
        @media (min-width: 640px) { .articles-grid { grid-template-columns: repeat(2, 1fr); } }
        @media (min-width: 980px) { .articles-grid { grid-template-columns: repeat(3, 1fr); } }

        .article-card {
            padding: 0; overflow: hidden; cursor: pointer;
            display: flex; flex-direction: column;
        }
        .article-card:hover {
            box-shadow: 0 20px 48px rgba(15,23,42,0.10), 0 4px 16px rgba(245,158,11,0.08), inset 0 1px 0 rgba(255,255,255,0.95);
            transform: translateY(-4px); border-color: rgba(255,255,255,0.85);
        }
        /* Demo cards (no linked article yet) are not clickable */
        .article-card.no-link { cursor: default; }
        .article-card.no-link:hover { box-shadow: 0 2px 12px rgba(15,23,42,0.05), 0 1px 3px rgba(15,23,42,0.03), inset 0 1px 0 rgba(255,255,255,0.88); transform: none; border-color: rgba(255,255,255,0.6); }
        .article-card-thumb { width: 100%; aspect-ratio: 16/9; object-fit: cover; display: block; transition: transform 0.5s ease; }
        .article-card:hover .article-card-thumb { transform: scale(1.04); }
        .article-card-body { padding: 20px 22px 22px; display: flex; flex-direction: column; flex: 1; }
        .article-card-body .cat-chip { margin-bottom: 12px; }
        .article-card h3 { font-size: 1rem; line-height: 1.48; margin-bottom: 10px; }
        .article-card h3 a { color: inherit; text-decoration: none; }
        .article-card:hover h3 a { color: var(--accent-amber-deep); }
        .article-card p { font-size: 0.85rem; color: var(--muted); line-height: 1.72; flex: 1; margin-bottom: 16px; }
        .article-card-meta {
            display: flex; align-items: center; justify-content: space-between; gap: 10px;
            font-size: 0.74rem; color: var(--faint); font-weight: 600;
            padding-top: 14px; border-top: 1px solid var(--line);
        }
        .article-card-meta span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

        /* ---------- Empty state ---------- */
        .articles-empty { display: none; text-align: center; padding: 72px 24px; }
        .articles-empty .icon {
            width: 60px; height: 60px; border-radius: 18px; margin: 0 auto 18px;
            background: rgba(245,158,11,0.08); border: 1px solid rgba(245,158,11,0.16);
            display: flex; align-items: center; justify-content: center;
            color: var(--accent-amber-deep); font-size: 22px;
        }
        .articles-empty h3 { font-size: 1.05rem; margin-bottom: 8px; }
        .articles-empty p { color: var(--muted); font-size: 0.9rem; margin-bottom: 20px; }

        /* ==================== FINAL CTA ==================== */
        .final-cta { padding: 0 0 104px; background: transparent; text-align: center; }
        .final-cta-inner {
            max-width: 1192px; margin: 0 auto; padding: 60px 44px;
            border-radius: 32px;
            background: rgba(255,255,255,0.68); backdrop-filter: blur(28px); -webkit-backdrop-filter: blur(28px);
            border: 1px solid rgba(255,255,255,0.65);
            box-shadow: 0 32px 72px rgba(15,23,42,0.10), 0 8px 24px rgba(245,158,11,0.06), inset 0 1px 0 rgba(255,255,255,0.92);
            position: relative; overflow: hidden;
        }
        .final-cta h2 { font-size: 1.9rem; margin-bottom: 14px; position: relative; z-index: 1; }
        .final-cta p { color: var(--muted); font-size: 0.98rem; margin-bottom: 32px; position: relative; z-index: 1; }
        .final-cta-actions { display: flex; flex-wrap: wrap; gap: 14px; justify-content: center; position: relative; z-index: 1; }
        .btn-pill {
            display: inline-flex; align-items: center; justify-content: center; gap: 8px;
            padding: 14px 30px; border-radius: 999px; font-size: 0.95rem; font-weight: 600;
            text-decoration: none; cursor: pointer; border: 1px solid transparent;
            transition: transform 0.2s ease, box-shadow 0.2s ease; white-space: nowrap;
        }
        .btn-pill-dark {
            background: linear-gradient(135deg, #f59e0b 0%, #fbbf24 60%, #fde68a 100%); color: #1a0e00;
            box-shadow: 0 4px 18px rgba(245,158,11,0.38), inset 0 1px 0 rgba(255,255,255,0.35);
            border: none;
        }
        .btn-pill-dark:hover { transform: translateY(-2px); box-shadow: 0 14px 32px rgba(245,158,11,0.50), inset 0 1px 0 rgba(255,255,255,0.4); }
        .btn-pill-light {
            background: rgba(255,255,255,0.75); color: var(--ink);
            border-color: rgba(230,232,240,0.8); backdrop-filter: blur(10px);
            box-shadow: 0 2px 8px rgba(15,23,42,0.06), inset 0 1px 0 rgba(255,255,255,0.9);
        }
        .btn-pill-light:hover { border-color: rgba(245,158,11,0.38); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(15,23,42,0.08); }

        @media (prefers-reduced-motion: reduce) {
            .hero-mesh, .marquee-track { animation: none; }
            .reveal { opacity: 1; transform: none; transition: none; }
        }

/* ── Thumbnail placeholder (no image) ── */
.thumb-placeholder {
    background: #0a0a0a;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* ── Disabled "read more" link (demo cards with no article page) ── */
.link-arrow-disabled {
    border-color: transparent;
    color: var(--faint);
    cursor: default;
}

/* ── Breadcrumb: current page label ── */
.blog-bc-current { color: rgba(255, 255, 255, 0.75); }