:root {
    --measure: 740px;
    --rail: 300px;
    --edge: 28px;
}

body.blog {
    padding-top: var(--nav-h);
    background: var(--white);
}

.wrap {
    max-width: var(--max-w);
    margin: 0 auto;
    padding: 0 var(--edge);
}

.wrap-mid { max-width: 960px; margin: 0 auto; padding: 0 var(--edge); }
.wrap-narrow { max-width: 820px; margin: 0 auto; padding: 0 var(--edge); }

.blog .wrap, .blog .wrap-mid, .blog .wrap-narrow {
    padding-left: var(--edge);
    padding-right: var(--edge);
}

[hidden] { display: none !important; }

a.plain { text-decoration: none; color: inherit; }

.mast { padding: 64px 0 26px; }
.mast-eyebrow {
    font-family: var(--mono);
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--accent-700);
    display: block;
    margin-bottom: 14px;
}
.mast h1 {
    font-size: clamp(2rem, 4vw, 2.7rem);
    font-weight: 800;
    letter-spacing: -0.028em;
    line-height: 1.1;
    color: var(--g900);
}
.mast-sub {
    margin-top: 14px;
    font-size: 1.02rem;
    line-height: 1.7;
    color: var(--g500);
    max-width: 640px;
}

.rule { border: 0; border-top: 1px solid var(--g200); margin: 0; }

.filters {
    display: flex;
    align-items: center;
    gap: 8px;
    overflow-x: auto;
    padding: 18px 0;
    scrollbar-width: none;
    -ms-overflow-style: none;
}
.filters::-webkit-scrollbar { display: none; }
.filters-sticky {
    position: sticky;
    top: var(--nav-h);
    z-index: 40;
    background: rgba(255,255,255,0.92);
    backdrop-filter: saturate(180%) blur(12px);
    -webkit-backdrop-filter: saturate(180%) blur(12px);
    border-bottom: 1px solid var(--g200);
}
.announce {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
    padding: 11px 24px;
    background: linear-gradient(90deg, var(--accent-50), var(--accent-100) 50%, var(--accent-50));
    border-bottom: 1px solid var(--accent-200);
    color: var(--accent-800);
    font-size: 0.88rem;
    font-weight: 500;
    text-decoration: none;
    transition: background 0.25s, color 0.2s;
    position: relative;
    z-index: 999;
}
.announce:hover {
    background: linear-gradient(90deg, var(--accent-100), var(--accent-200) 50%, var(--accent-100));
    color: var(--accent-900);
}
.announce-chip {
    flex-shrink: 0;
    font-size: 0.62rem;
    font-weight: 800;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--white);
    background: var(--accent-700);
    padding: 4px 9px;
    border-radius: 4px;
}
.announce-text { line-height: 1.3; }
.announce-text strong { color: var(--accent-900); font-weight: 700; }
.announce-arrow {
    flex-shrink: 0;
    width: 13px;
    height: 13px;
    color: var(--accent-700);
    transition: transform 0.2s;
}
.announce:hover .announce-arrow { transform: translateX(3px); }

.filter-bar { display: flex; align-items: center; gap: 24px; }
.filter-bar .filters { flex: 1; min-width: 0; }

.search { position: relative; flex: none; width: 264px; }
.search > svg {
    position: absolute;
    left: 13px;
    top: 50%;
    transform: translateY(-50%);
    width: 15px;
    height: 15px;
    color: var(--g400);
    pointer-events: none;
}
.search input {
    width: 100%;
    height: 38px;
    padding: 0 34px;
    border: 1px solid var(--g200);
    border-radius: 999px;
    background: var(--white);
    font-family: var(--font);
    font-size: 0.85rem;
    color: var(--g800);
    transition: border-color 0.18s, box-shadow 0.18s;
}
.search input::placeholder { color: var(--g400); }
.search input:focus { border-color: var(--accent-600); }
.search input:focus:not(:focus-visible) {
    outline: none;
    box-shadow: 0 0 0 3px var(--accent-200);
}
.search input::-webkit-search-cancel-button,
.search input::-webkit-search-decoration { display: none; }
.search-clear {
    position: absolute;
    right: 9px;
    top: 50%;
    transform: translateY(-50%);
    width: 22px;
    height: 22px;
    padding: 0;
    border: 0;
    border-radius: 50%;
    background: var(--g100);
    color: var(--g500);
    cursor: pointer;
    display: grid;
    place-items: center;
    transition: background 0.18s, color 0.18s;
}
.search-clear:hover { background: var(--g200); color: var(--g900); }
.search-clear svg { width: 11px; height: 11px; }

.series {
    display: block;
    margin-top: 7px;
    font-family: var(--mono);
    font-size: 0.66rem;
    font-weight: 700;
    letter-spacing: 0.07em;
    text-transform: uppercase;
    color: var(--g400);
}
.series i { font-style: normal; color: var(--g300); }
.series i::before { content: '\00b7'; padding: 0 6px; }
.series + h3 { margin-top: 8px; }

.chip {
    flex: none;
    border: 1px solid var(--g200);
    background: var(--white);
    color: var(--g600);
    font-family: var(--font);
    font-size: 0.83rem;
    font-weight: 600;
    padding: 8px 16px;
    border-radius: 999px;
    cursor: pointer;
    text-decoration: none;
    white-space: nowrap;
    transition: background 0.18s, color 0.18s, border-color 0.18s;
}
.chip:hover { background: var(--g50); color: var(--g900); border-color: var(--g300); }
.chip.is-active { background: var(--g900); border-color: var(--g900); color: var(--white); }

.cover {
    position: relative;
    overflow: hidden;
    border-radius: var(--radius);
    background: linear-gradient(135deg, var(--c1) 0%, var(--c2) 100%);
}
.cover::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255,255,255,0.07) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.07) 1px, transparent 1px);
    background-size: 30px 30px;
}
.cover::after {
    content: '';
    position: absolute;
    right: -12%;
    bottom: -38%;
    width: 62%;
    aspect-ratio: 1;
    border-radius: 50%;
    background: radial-gradient(circle at 34% 32%, rgba(255,255,255,0.24), rgba(255,255,255,0) 62%);
}
.cover-tag {
    position: absolute;
    left: 16px;
    top: 15px;
    z-index: 2;
    font-family: var(--mono);
    font-size: 0.64rem;
    font-weight: 700;
    letter-spacing: 0.13em;
    text-transform: uppercase;
    color: rgba(255,255,255,0.95);
    background: rgba(0,0,0,0.26);
    border: 1px solid rgba(255,255,255,0.24);
    padding: 5px 11px;
    border-radius: 999px;
}
.cover-kicker {
    position: absolute;
    left: 18px;
    right: 18px;
    bottom: 16px;
    z-index: 2;
    font-family: var(--mono);
    font-size: 0.68rem;
    letter-spacing: 0.08em;
    color: rgba(255,255,255,0.62);
}

.t-emerald { --c1: #064e3b; --c2: #10b981; }
.t-slate   { --c1: #0f172a; --c2: #64748b; }
.t-indigo  { --c1: #1e1b4b; --c2: #6366f1; }
.t-amber   { --c1: #7c2d12; --c2: #f59e0b; }
.t-rose    { --c1: #4c0519; --c2: #f43f5e; }
.t-teal    { --c1: #042f2e; --c2: #14b8a6; }
.t-ink     { --c1: #030712; --c2: #374151; }

img.cover {
    display: block;
    width: 100%;
    height: auto;
    object-fit: cover;
    background-color: var(--g100);
}

.ratio-16 { aspect-ratio: 16 / 9; }
.ratio-3 { aspect-ratio: 3 / 2; }
.ratio-21 { aspect-ratio: 21 / 9; }

.cat {
    font-size: 0.71rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.09em;
    color: var(--accent-700);
}

.card { display: flex; flex-direction: column; text-decoration: none; color: inherit; }
.card .cover { margin-bottom: 18px; }
.card h3 {
    font-size: 1.09rem;
    font-weight: 700;
    line-height: 1.36;
    letter-spacing: -0.012em;
    color: var(--g900);
    margin: 10px 0 9px;
    transition: color 0.18s;
}
.card:hover h3 { color: var(--accent-700); }
.card p {
    font-size: 0.895rem;
    line-height: 1.66;
    color: var(--g500);
    margin: 0;
}
.card .byline { margin-top: auto; padding-top: 16px; }

.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px 32px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 40px 32px; }

.byline { display: flex; align-items: center; gap: 10px; }
.avatar {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    flex: none;
    display: grid;
    place-items: center;
    font-family: var(--font);
    font-size: 0.63rem;
    font-weight: 800;
    letter-spacing: 0.02em;
    color: var(--white);
    background: var(--g900);
}
.a-em { background: #064e3b; }
.a-in { background: #312e81; }
.a-sl { background: #334155; }
.a-am { background: #78350f; }
.byline-txt { font-size: 0.78rem; color: var(--g400); line-height: 1.4; }
.byline-txt b { display: block; font-weight: 600; color: var(--g700); font-size: 0.805rem; }
.sep { color: var(--g300); padding: 0 2px; }

.meta-line {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
    font-size: 0.8rem;
    color: var(--g400);
}

.tag {
    display: inline-block;
    font-family: var(--mono);
    font-size: 0.66rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--g600);
    background: var(--g100);
    border-radius: 5px;
    padding: 4px 9px;
}
.tag-em { color: var(--accent-800); background: var(--accent-50); }
.tag-am { color: #92400e; background: var(--amber-50); }
.tag-rd { color: var(--red-800); background: var(--red-50); }
.tag-bl { color: var(--blue-800); background: var(--blue-50); }

.arrow-link {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    font-size: 0.86rem;
    font-weight: 600;
    color: var(--accent-700);
    text-decoration: none;
}
.arrow-link svg { width: 14px; height: 14px; transition: transform 0.18s; }
.arrow-link:hover svg { transform: translateX(3px); }

.subscribe {
    border: 1px solid var(--g200);
    border-radius: var(--radius-lg);
    background: var(--g50);
    padding: 44px;
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    gap: 40px;
    align-items: center;
}
.subscribe h2 {
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -0.022em;
    color: var(--g900);
    margin-bottom: 10px;
}
.subscribe p { font-size: 0.93rem; color: var(--g500); line-height: 1.65; }
.sub-form { display: flex; gap: 10px; }
.sub-form input {
    flex: 1;
    min-width: 0;
    padding: 12px 14px;
    border: 1px solid var(--g300);
    border-radius: var(--radius-sm);
    font-family: var(--font);
    font-size: 0.9rem;
    color: var(--g800);
    background: var(--white);
}
.sub-form input::placeholder { color: var(--g400); }
.sub-note { margin-top: 12px; font-size: 0.74rem; color: var(--g400); }
[data-sub-note].is-live { color: var(--accent-700); font-weight: 600; }

.crumbs {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
    font-size: 0.8rem;
    color: var(--g400);
}
.crumbs a { color: var(--g500); text-decoration: none; }
.crumbs a:hover { color: var(--g900); }

.article-head h1 {
    font-size: clamp(2rem, 4.4vw, 2.95rem);
    font-weight: 800;
    letter-spacing: -0.03em;
    line-height: 1.13;
    color: var(--g900);
}
.lede {
    font-size: 1.13rem;
    line-height: 1.72;
    color: var(--g600);
    margin-top: 18px;
}

.prose { color: var(--g700); }
.prose > p {
    font-size: 1.02rem;
    line-height: 1.8;
    margin-bottom: 22px;
}
.prose h2 {
    font-size: 1.55rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.28;
    color: var(--g900);
    margin: 48px 0 16px;
    scroll-margin-top: calc(var(--nav-h) + 24px);
}
.prose h3 {
    font-size: 1.13rem;
    font-weight: 700;
    letter-spacing: -0.012em;
    color: var(--g900);
    margin: 34px 0 12px;
    scroll-margin-top: calc(var(--nav-h) + 24px);
}
.prose ul, .prose ol { margin: 0 0 24px 22px; }
.prose li { margin-bottom: 11px; line-height: 1.75; }
.prose li::marker { color: var(--g400); }
.prose a { color: var(--accent-700); text-decoration: underline; text-underline-offset: 3px; }
.prose a:hover { color: var(--accent-800); }
.prose strong { color: var(--g900); font-weight: 700; }
.prose u { text-decoration-thickness: 1px; text-underline-offset: 3px; }
.prose blockquote {
    margin: 32px 0;
    padding: 2px 0 2px 24px;
    border-left: 3px solid var(--accent-500);
    font-size: 1.12rem;
    line-height: 1.65;
    font-weight: 500;
    color: var(--g800);
}
.prose code {
    font-family: var(--mono);
    font-size: 0.86em;
    background: var(--g100);
    color: var(--g800);
    padding: 2px 6px;
    border-radius: 5px;
}
.prose pre {
    background: var(--g950);
    color: var(--g200);
    padding: 20px 22px;
    border-radius: var(--radius);
    overflow-x: auto;
    margin: 26px 0;
    font-family: var(--mono);
    font-size: 0.83rem;
    line-height: 1.7;
}
.prose pre code { background: none; padding: 0; color: inherit; font-size: 1em; }
.prose table { width: 100%; border-collapse: collapse; margin: 28px 0; font-size: 0.9rem; }
.prose th {
    text-align: left;
    padding: 12px 14px;
    background: var(--g50);
    border-bottom: 1px solid var(--g200);
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.07em;
    color: var(--g600);
}
.prose td { padding: 13px 14px; border-bottom: 1px solid var(--g100); }
.table-scroll { overflow-x: auto; }

.callout {
    margin: 30px 0;
    padding: 20px 22px;
    border: 1px solid var(--accent-100);
    border-left: 3px solid var(--accent-600);
    background: var(--accent-50);
    border-radius: var(--radius-sm);
}
.callout h4 {
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.09em;
    color: var(--accent-800);
    margin-bottom: 9px;
}
.callout p { font-size: 0.95rem; line-height: 1.7; color: var(--g700); margin: 0; }
.callout.warn { border-color: var(--amber-100); border-left-color: var(--amber-500); background: var(--amber-50); }
.callout.warn h4 { color: #92400e; }
.callout.ink { border-color: var(--g200); border-left-color: var(--g900); background: var(--g50); }
.callout.ink h4 { color: var(--g900); }

.toc { position: sticky; top: calc(var(--nav-h) + 32px); }
.toc h4 {
    font-size: 0.68rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.11em;
    color: var(--g400);
    margin-bottom: 14px;
}
.toc a {
    display: block;
    font-size: 0.845rem;
    line-height: 1.45;
    color: var(--g500);
    text-decoration: none;
    padding: 8px 0 8px 15px;
    border-left: 2px solid var(--g200);
    transition: color 0.18s, border-color 0.18s;
}
.toc a:hover { color: var(--g900); border-left-color: var(--g400); }
.toc a.is-current { color: var(--accent-700); border-left-color: var(--accent-600); font-weight: 600; }

.share { display: flex; align-items: center; gap: 10px; }
.share-btn {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    border: 1px solid var(--g200);
    background: var(--white);
    display: grid;
    place-items: center;
    color: var(--g500);
    text-decoration: none;
    transition: background 0.18s, color 0.18s, border-color 0.18s;
}
.share-btn:hover { background: var(--g50); color: var(--g900); border-color: var(--g300); }
.share-btn.is-copied { background: var(--accent-50); color: var(--accent-700); border-color: var(--accent-200); }
button.share-btn { cursor: pointer; font: inherit; }
.share-btn svg { width: 15px; height: 15px; }

.related { border-top: 1px solid var(--g200); margin-top: 64px; padding-top: 44px; }
.related h2 {
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.11em;
    color: var(--g400);
    margin-bottom: 28px;
}

.cta-band {
    background: var(--g950);
    border-radius: var(--radius-lg);
    padding: 52px 48px;
    text-align: center;
    color: var(--white);
}
.cta-band h2 {
    font-size: 1.65rem;
    font-weight: 800;
    letter-spacing: -0.024em;
    margin-bottom: 12px;
}
.cta-band p { color: var(--g400); font-size: 0.96rem; line-height: 1.65; max-width: 520px; margin: 0 auto 26px; }
.cta-actions { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

.section-head {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 20px;
    margin-bottom: 28px;
}
.section-head h1, .section-head h2 {
    font-size: 1.3rem;
    font-weight: 800;
    letter-spacing: -0.022em;
    color: var(--g900);
}

.pager {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    flex-wrap: wrap;
    margin-top: 60px;
}
.page-btn {
    min-width: 40px;
    height: 40px;
    padding: 0 12px;
    border: 1px solid var(--g200);
    background: var(--white);
    border-radius: var(--radius-sm);
    font-family: var(--font);
    font-size: 0.86rem;
    font-weight: 600;
    color: var(--g600);
    cursor: pointer;
    transition: background 0.18s, color 0.18s, border-color 0.18s;
}
.page-btn:hover:not(:disabled):not(.is-current) { background: var(--g50); color: var(--g900); border-color: var(--g300); }
.page-btn.is-current { background: var(--g900); border-color: var(--g900); color: var(--white); }
.page-btn:disabled { color: var(--g300); cursor: default; }
.page-edge { padding: 0 18px; }

.pagefoot-space { padding-bottom: 88px; }

@media (max-width: 1024px) {
    .grid-3 { grid-template-columns: repeat(2, 1fr); }
    .subscribe { grid-template-columns: 1fr; gap: 26px; padding: 36px; }
}

@media (max-width: 860px) {
    .filter-bar { flex-direction: column; align-items: stretch; gap: 0; }
    .search { width: 100%; margin-bottom: 16px; }
    .filter-bar .filters { padding: 16px 0 14px; }
}

@media (max-width: 700px) {
    :root { --edge: 20px; }
    .search input, .sub-form input { font-size: 16px; }
    .grid-3, .grid-2 { grid-template-columns: 1fr; gap: 36px; }
    .mast { padding: 40px 0 20px; }
    .cta-band { padding: 40px 24px; }
    .sub-form { flex-direction: column; }
    .prose > p { font-size: 1rem; }
    .related { margin-top: 48px; padding-top: 34px; }
}

@media (max-width: 600px) {
    .announce { font-size: 0.78rem; padding: 9px 14px; gap: 8px; }
    .announce-chip { font-size: 0.56rem; padding: 3px 6px; }
    .announce-url { display: none; }
}