/* ============================================================
   page-blog.css — 博客列表页
   ============================================================ */

/* ── Hero ── */
.blg-hero {
    position: relative;
    overflow: hidden;
    background-color: rgba(241, 248, 255, 0.96);
    background-image: image-set(
        url('../images/blogbackground.webp') type('image/webp'),
        url('../images/blogbackground.png') type('image/png')
    );
    background-repeat: no-repeat;
    background-position: center center;
    background-size: cover;
}

/* 整幅铺底后，左侧略压暗以保证文案可读 */
.blg-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    background: linear-gradient(
        90deg,
        rgba(236, 247, 255, 0.94) 0%,
        rgba(236, 247, 255, 0.72) 16%,
        rgba(236, 247, 255, 0.38) 32%,
        rgba(236, 247, 255, 0.10) 44%,
        transparent 56%
    );
}

.blg-hero::after {
    content: none;
}

.blg-hero__inner {
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    gap: 40px;
    padding-top: 52px;
    padding-bottom: 64px;
    min-height: 280px;
}

.blg-hero__copy {
    flex: 1;
    min-width: 0;
    position: relative;
    z-index: 1;
}

/* 列表页顶栏 fixed，主区顶 padding 在 common 置 0；此处补回与原先 .page-main 相当的顶距，避免文案与导航重叠 */
#page-blog .blg-hero__inner {
    padding-top: calc(96px + 52px);
}

.blg-breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: rgba(15,36,80,0.48);
    margin-bottom: 18px;
}
.blg-breadcrumb a { color: inherit; text-decoration: none; transition: color 0.18s; }
.blg-breadcrumb a:hover { color: #1a6fff; }
.blg-breadcrumb span:last-child { color: rgba(15,36,80,0.35); }

.blg-hero__title {
    margin: 0 0 14px;
    font-size: clamp(26px, 4vw, 44px);
    font-weight: 860;
    color: #0d1f40;
    line-height: 1.1;
    letter-spacing: -0.022em;
}
.blg-hero__title-accent {
    background: linear-gradient(130deg, #1a6fff 0%, #0038c8 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.blg-hero__sub {
    margin: 0 0 22px;
    font-size: 15px;
    color: rgba(15,36,80,0.55);
    line-height: 1.65;
    max-width: 460px;
}

.blg-hero__tags {
    display: flex;
    flex-wrap: wrap;
    gap: 9px;
}
.blg-hero__tags span {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 5px 13px;
    border-radius: 999px;
    background: rgba(255,255,255,0.78);
    border: 1px solid rgba(26,111,255,0.16);
    color: rgba(15,36,80,0.65);
    font-size: 12.5px;
    font-weight: 620;
    backdrop-filter: blur(8px);
}
.blg-hero__tags span svg { color: #1a6fff; flex-shrink: 0; }

/* ── Layout ── */
.blg-layout {
    display: flex;
    gap: 36px;
    padding-top: 36px;
    padding-bottom: 64px;
    align-items: flex-start;
}
.blg-feed   { flex: 1 1 0; min-width: 0; }
.blg-sidebar { flex: 0 0 272px; width: 272px; }

/* ── Single-column content (no sidebar) ── */
.blg-content {
    padding-top: 40px;
    padding-bottom: 72px;
    max-width: 860px;
    margin: 0 auto;
}
#blog-panel-diary,
#blog-panel-openclaw { width: 100%; }

/* ── Panels ── */
#blog-panel-diary,
#blog-panel-openclaw { width: 100%; }

#blog-panel-openclaw .blg-grid { padding-top: 0; }

/* ── Featured article ── */
.blg-featured {
    display: flex;
    background: #fff;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 4px 24px rgba(15,27,70,0.07);
    border: 1px solid rgba(210,225,248,0.60);
    margin-bottom: 22px;
    transition: box-shadow 0.22s, transform 0.22s;
}
.blg-featured:hover {
    box-shadow: 0 10px 44px rgba(15,27,70,0.12);
    transform: translateY(-2px);
}

.blg-featured__cover {
    flex: 0 0 260px;
    background: linear-gradient(135deg, #dbeafe, #c0d5f8);
    overflow: hidden;
}
.blg-featured__img {
    width: 100%; height: 100%;
    min-height: 220px;
    background-size: cover;
    background-position: center;
    background-color: #d1e4fc;
    transition: transform 0.4s ease;
}
.blg-featured:hover .blg-featured__img { transform: scale(1.05); }

.blg-featured__body {
    flex: 1;
    padding: 26px 26px 24px;
    display: flex;
    flex-direction: column;
    gap: 9px;
    min-width: 0;
}
.blg-featured__top { display: flex; align-items: center; gap: 8px; }
.blg-featured__meta { font-size: 12px; color: rgba(15,36,80,0.44); margin: 0; }
.blg-featured__title {
    margin: 0;
    font-size: 17.5px;
    font-weight: 780;
    color: #0d1f40;
    line-height: 1.42;
    letter-spacing: -0.01em;
}
.blg-featured__title a { color: inherit; text-decoration: none; transition: color 0.18s; }
.blg-featured__title a:hover { color: #1a6fff; }
.blg-featured__desc {
    margin: 0; flex: 1;
    font-size: 13.5px;
    line-height: 1.68;
    color: rgba(15,36,80,0.58);
}
.blg-featured__link {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 13px;
    font-weight: 720;
    color: #1a6fff;
    text-decoration: none;
    transition: gap 0.18s;
}
.blg-featured__link:hover { gap: 8px; }

/* ── Article grid ── */
.blg-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 18px;
    margin-bottom: 32px;
}

/* Pagination: off-page cards must stay hidden (GSAP must not override) */
.blg-grid .blg-card.blg-card--offpage,
.blg-grid .blg-card[hidden] {
    display: none !important;
}

.blg-card {
    position: relative;
    background: #fff;
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid rgba(210,225,248,0.55);
    box-shadow: 0 2px 10px rgba(15,27,70,0.05);
    display: flex;
    flex-direction: column;
    cursor: pointer;
    transition: box-shadow 0.22s, transform 0.22s;
}
.blg-card:hover {
    box-shadow: 0 7px 30px rgba(15,27,70,0.11);
    transform: translateY(-2px);
}

.blg-card__cover {
    height: 136px;
    background-size: cover;
    background-position: center;
    background-color: #dbeafe;
    background-image: linear-gradient(135deg, #dbeafe 0%, #bfdbfe 100%);
    flex-shrink: 0;
    transition: transform 0.4s ease;
    overflow: hidden;
}
.blg-card:hover .blg-card__cover { transform: scale(1.03); }
.blg-card__cover picture,
.blg-card__cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.blg-card__cover--placeholder {
    background-image: linear-gradient(135deg, #e0e7ff 0%, #c7d2fe 100%) !important;
}

.blg-card__body {
    padding: 14px 16px 16px;
    display: flex;
    flex-direction: column;
    gap: 7px;
    flex: 1;
}
.blg-card__top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 6px;
}
.blg-card__date { font-size: 11px; color: rgba(15,36,80,0.40); white-space: nowrap; }
.blg-card__title {
    margin: 0;
    font-size: 13.5px;
    font-weight: 740;
    color: #0d1f40;
    line-height: 1.48;
    letter-spacing: -0.005em;
}
.blg-card__title a {
    color: inherit;
    text-decoration: none;
    transition: color 0.18s;
}
/* Stretched link: entire card is clickable (cover + body) */
.blg-card__title a::after {
    content: "";
    position: absolute;
    inset: 0;
    z-index: 1;
}
.blg-card:hover .blg-card__title a,
.blg-card__title a:hover { color: #1a6fff; }
.blg-card__title a:focus-visible {
    outline: 2px solid #1a6fff;
    outline-offset: 3px;
}
.blg-card__desc {
    margin: 0;
    font-size: 12px;
    line-height: 1.62;
    color: rgba(15,36,80,0.52);
}

/* ── Badges & Categories ── */
.blg-badge {
    display: inline-flex;
    align-items: center;
    padding: 3px 10px;
    border-radius: 999px;
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 0.03em;
    white-space: nowrap;
}
.blg-badge--hot {
    background: linear-gradient(135deg, #38bdf8, #0284c7);
    color: #fff;
    box-shadow: 0 2px 10px rgba(2,132,199,0.26);
}
.blg-badge--openclaw {
    background: linear-gradient(135deg, #2870f8, #1644e8);
    color: #fff;
    box-shadow: 0 2px 10px rgba(26,85,232,0.28);
}

.blg-cat {
    display: inline-flex;
    align-items: center;
    padding: 2px 8px;
    border-radius: 999px;
    font-size: 11px;
    font-weight: 700;
    white-space: nowrap;
}
.blg-cat--ci       { background: rgba(59,130,246,0.10); color: #1d4ed8; }
.blg-cat--deploy   { background: rgba(16,185,129,0.10); color: #047857; }
.blg-cat--openclaw { background: rgba(139,92,246,0.10); color: #6d28d9; }
.blg-cat--decision { background: rgba(245,158,11,0.10); color: #b45309; }
.blg-cat--remote   { background: rgba(20,184,166,0.10); color: #0f766e; }

/* ── Popular articles ── */
.blg-popular { margin-bottom: 0; }

.blg-popular__title {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 15.5px;
    font-weight: 800;
    color: #0d1f40;
    margin: 0 0 14px;
}
.blg-popular__title svg { color: #ff8c00; flex-shrink: 0; }

.blg-popular__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 14px;
}

.blg-pop-card {
    background: #fff;
    border-radius: 14px;
    padding: 15px;
    border: 1px solid rgba(210,225,248,0.55);
    box-shadow: 0 2px 10px rgba(15,27,70,0.05);
    text-decoration: none;
    color: inherit;
    display: flex;
    flex-direction: column;
    gap: 8px;
    transition: box-shadow 0.22s, transform 0.22s;
}
.blg-pop-card:hover {
    box-shadow: 0 6px 22px rgba(15,27,70,0.10);
    transform: translateY(-2px);
}
.blg-pop-card__meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 5px;
}
.blg-pop-card__date { font-size: 10.5px; color: rgba(15,36,80,0.40); }
.blg-pop-card__title {
    margin: 0; flex: 1;
    font-size: 12.5px;
    font-weight: 720;
    line-height: 1.52;
    color: #0d1f40;
}
.blg-pop-card__stats {
    display: flex;
    gap: 10px;
}
.blg-pop-card__stats span {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 11px;
    color: rgba(15,36,80,0.44);
    font-weight: 560;
}
.icon-xs { width: 12px !important; height: 12px !important; }

/* ── Sidebar ── */
.blg-sidebar {
    position: sticky;
    top: 80px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    max-height: calc(100vh - 96px);
    overflow-y: auto;
    scrollbar-width: none;
}
.blg-sidebar::-webkit-scrollbar { display: none; }

.blg-side-card {
    background: #fff;
    border-radius: 16px;
    padding: 16px 18px;
    border: 1px solid rgba(210,225,248,0.60);
    box-shadow: 0 2px 12px rgba(15,27,70,0.05);
}
.blg-side-card__title {
    display: flex;
    align-items: center;
    gap: 7px;
    font-size: 13px;
    font-weight: 780;
    color: #0d1f40;
    margin: 0 0 13px;
}
.blg-side-card__title svg { color: #1a6fff; flex-shrink: 0; }
.blg-side-card__sub {
    font-size: 12px;
    color: rgba(15,36,80,0.50);
    margin: -6px 0 12px;
    line-height: 1.5;
}

/* Filter chips */
.blg-filter-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 7px;
}
.blg-chip {
    padding: 5px 12px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 650;
    border: 1px solid rgba(210,225,248,0.70);
    background: rgba(240,245,255,0.70);
    color: rgba(15,36,80,0.58);
    cursor: pointer;
    transition: all 0.18s;
    line-height: 1;
}
.blg-chip:hover {
    background: rgba(26,111,255,0.08);
    border-color: rgba(26,111,255,0.25);
    color: #1a6fff;
}
.blg-chip--active {
    background: linear-gradient(135deg, #3a7fff, #1a55e8);
    border-color: transparent;
    color: #fff;
    box-shadow: 0 3px 10px rgba(26,111,255,0.28);
}
.blg-chip--active:hover { background: linear-gradient(135deg, #3a7fff, #1a55e8); color: #fff; }

/* Stats */
.blg-stats-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 9px; }
.blg-stat {
    background: rgba(240,246,255,0.80);
    border-radius: 10px;
    padding: 10px 12px;
    border: 1px solid rgba(210,225,248,0.50);
}
.blg-stat__icon { color: #1a6fff; margin-bottom: 4px; line-height: 1; }
.blg-stat__num  { font-size: 17px; font-weight: 860; color: #0d1f40; line-height: 1; }
.blg-stat__label { font-size: 10.5px; color: rgba(15,36,80,0.50); margin-top: 3px; font-weight: 560; }

/* Social */
.blg-social { display: flex; flex-direction: column; gap: 7px; }
.blg-social-btn {
    display: flex;
    align-items: center;
    gap: 9px;
    padding: 9px 13px;
    border-radius: 10px;
    background: rgba(240,246,255,0.75);
    border: 1px solid rgba(210,225,248,0.60);
    color: rgba(15,36,80,0.68);
    font-size: 13px;
    font-weight: 650;
    text-decoration: none;
    transition: all 0.18s;
}
.blg-social-btn:hover {
    background: rgba(26,111,255,0.08);
    border-color: rgba(26,111,255,0.22);
    color: #1a6fff;
}

/* Changelog */
.blg-changelog { display: flex; flex-direction: column; }
.blg-cl-item {
    padding: 12px 0;
    border-bottom: 1px solid rgba(210,225,248,0.45);
}
.blg-cl-item:first-child { padding-top: 0; }
.blg-cl-item:last-child  { border-bottom: none; padding-bottom: 0; }
.blg-cl-item__head {
    display: flex;
    align-items: center;
    gap: 7px;
    margin-bottom: 7px;
    flex-wrap: wrap;
}
.blg-cl-badge {
    padding: 1px 7px;
    border-radius: 999px;
    font-size: 10px;
    font-weight: 800;
    letter-spacing: 0.04em;
}
.blg-cl-badge--new { background: linear-gradient(135deg, #22c55e, #16a34a); color: #fff; }
.blg-cl-version { font-size: 13px; font-weight: 780; color: #0d1f40; }
.blg-cl-date    { font-size: 11px; color: rgba(15,36,80,0.40); margin-left: auto; }
.blg-cl-list {
    margin: 0 0 7px;
    padding-left: 14px;
    list-style: disc;
}
.blg-cl-list li { font-size: 11.5px; color: rgba(15,36,80,0.58); line-height: 1.65; }
.blg-cl-link { font-size: 11.5px; font-weight: 720; color: #1a6fff; text-decoration: none; }
.blg-cl-link:hover { text-decoration: underline; }

/* ── Subscribe ── */
.blg-subscribe {
    background: linear-gradient(135deg, #1848e0 0%, #0c2aa8 100%);
    padding: 56px 0;
    position: relative;
    overflow: hidden;
}
.blg-subscribe::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: radial-gradient(circle, rgba(255,255,255,0.055) 1px, transparent 1px);
    background-size: 28px 28px;
    pointer-events: none;
}
.blg-subscribe::after {
    content: '';
    position: absolute;
    bottom: -80px; left: -80px;
    width: 350px; height: 350px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(255,255,255,0.07) 0%, transparent 65%);
    pointer-events: none;
}
.blg-subscribe__inner {
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    gap: 48px;
}
.blg-subscribe__copy { flex: 1; }
.blg-subscribe__deco {
    width: 52px; height: 52px;
    border-radius: 16px;
    background: rgba(255,255,255,0.10);
    border: 1px solid rgba(255,255,255,0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 12px;
}
.blg-subscribe__title {
    margin: 0 0 8px;
    font-size: 26px;
    font-weight: 860;
    color: #fff;
}
.blg-subscribe__sub { margin: 0; font-size: 14.5px; color: rgba(255,255,255,0.68); }
.blg-subscribe__right { flex: 0 0 400px; }
.blg-subscribe__form { display: flex; gap: 8px; margin-bottom: 10px; }
.blg-subscribe__input {
    flex: 1;
    padding: 12px 16px;
    border-radius: 10px;
    border: 1.5px solid rgba(255,255,255,0.20);
    background: rgba(255,255,255,0.12);
    color: #fff;
    font-size: 14px;
    outline: none;
    transition: border-color 0.18s, background 0.18s;
}
.blg-subscribe__input::placeholder { color: rgba(255,255,255,0.48); }
.blg-subscribe__input:focus {
    border-color: rgba(255,255,255,0.50);
    background: rgba(255,255,255,0.18);
}
.blg-subscribe__btn {
    padding: 12px 22px;
    border-radius: 10px;
    background: #fff;
    color: #1848e0;
    font-size: 14px;
    font-weight: 750;
    border: none;
    cursor: pointer;
    white-space: nowrap;
    transition: transform 0.18s, box-shadow 0.18s;
    box-shadow: 0 4px 16px rgba(0,0,0,0.16);
}
.blg-subscribe__btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 7px 22px rgba(0,0,0,0.22);
}
.blg-subscribe__note {
    display: flex;
    align-items: center;
    gap: 5px;
    font-size: 11.5px;
    color: rgba(255,255,255,0.50);
    margin: 0;
}

/* ── Dual-tab switcher ── */
.blg-tabs-wrap {
    background: #fff;
    border-bottom: 1.5px solid rgba(15,36,80,0.08);
    padding: 0;
}

.blg-dual-tabs {
    display: inline-flex;
    align-items: stretch;
    gap: 0;
    background: transparent;
    border: none;
    border-radius: 0;
    padding: 0;
    position: relative;
}

.blg-dual-tab {
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 7px;
    height: 50px;
    padding: 0 28px;
    border-radius: 0;
    border: none;
    border-bottom: 2.5px solid transparent;
    background: transparent;
    font-size: 14.5px;
    font-weight: 650;
    line-height: 1;
    color: rgba(15,36,80,0.44);
    cursor: pointer;
    transition: color 0.18s ease, border-color 0.2s ease;
    white-space: nowrap;
    margin-bottom: -1.5px;
}

.blg-dual-tab:hover { color: #0d2240; }

.blg-dual-tabs::before { display: none; }

.blg-dual-tab.blg-dual-tab--active {
    color: #1a55e8;
    border-bottom-color: #1a55e8;
    font-weight: 700;
}

.blg-tab-count {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 20px;
    height: 18px;
    padding: 0 5px;
    border-radius: 999px;
    background: rgba(15,36,80,0.07);
    font-size: 11px;
    font-weight: 600;
    color: rgba(15,36,80,0.44);
    line-height: 1;
    transition: background 0.18s, color 0.18s;
}

.blg-dual-tab.blg-dual-tab--active .blg-tab-count {
    background: rgba(26,85,232,0.12);
    color: #1a55e8;
}

/* ── Pager ── */
.blg-pager__bar {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 28px 0 8px;
    flex-wrap: wrap;
}

.blg-pager__btn {
    padding: 8px 20px;
    border-radius: 10px;
    border: 1.5px solid rgba(26,95,232,0.20);
    background: #fff;
    color: #1a55e8;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.18s, border-color 0.18s, box-shadow 0.18s;
    white-space: nowrap;
}

.blg-pager__btn:hover:not(:disabled) {
    background: #f0f5ff;
    border-color: rgba(26,95,232,0.40);
    box-shadow: 0 2px 8px rgba(26,95,232,0.12);
}

.blg-pager__btn:disabled {
    color: rgba(15,36,80,0.28);
    border-color: rgba(15,36,80,0.10);
    cursor: default;
}

.blg-pager__info {
    font-size: 13.5px;
    color: rgba(15,36,80,0.50);
    padding: 0 4px;
}

.blg-pager__goto {
    display: flex;
    align-items: center;
    gap: 6px;
}

.blg-pager__input {
    width: 56px;
    padding: 7px 10px;
    border-radius: 8px;
    border: 1.5px solid rgba(26,95,232,0.20);
    background: #fff;
    font-size: 14px;
    color: #0d2240;
    text-align: center;
    outline: none;
    transition: border-color 0.18s;
}

.blg-pager__input:focus { border-color: #3a7fff; }

/* ── Fade-in ── */
.fade-in {
    opacity: 0;
    transform: translateY(14px);
    transition: opacity 0.44s ease, transform 0.44s ease;
}
.fade-in.visible { opacity: 1; transform: none; }

/* ── Responsive ── */
@media (max-width: 1100px) {
    .blg-sidebar    { flex: 0 0 248px; width: 248px; }
    .blg-subscribe__inner { flex-direction: column; text-align: center; gap: 24px; }
    .blg-subscribe__right { flex: none; width: 100%; max-width: 460px; }
    .blg-subscribe__deco  { margin: 0 auto 12px; }
}

@media (max-width: 900px) {
    .blg-layout { flex-direction: column; padding-top: 28px; }
    .blg-sidebar { position: static; width: 100%; flex: none; overflow: visible; max-height: none; }
    .blg-popular__grid { grid-template-columns: 1fr 1fr; gap: 12px; }
}

@media (max-width: 680px) {
    .blg-hero__inner { padding-top: 36px; padding-bottom: 44px; }
    #page-blog .blg-hero__inner { padding-top: calc(96px + 36px); }
    .blg-featured { flex-direction: column; }
    .blg-featured__cover { flex: 0 0 180px; }
    .blg-featured__img   { min-height: 180px; }
    .blg-grid { grid-template-columns: 1fr; }
    .blg-popular__grid { grid-template-columns: 1fr; }
    .blg-subscribe__form { flex-direction: column; }
    .blg-subscribe__input, .blg-subscribe__btn { width: 100%; }
}

.blg-empty {
    padding: 3rem 1rem;
    text-align: center;
    color: var(--c-text-muted, #888);
    font-size: 0.95rem;
}