:root {
    --sg-news-surface: #080808;
    --sg-news-panel: #111111;
    --sg-news-ink: #f4f3ef;
    --sg-news-muted: rgba(244, 243, 239, 0.64);
    --sg-news-line: rgba(244, 243, 239, 0.16);
    --sg-news-accent: #f0c53a;
    --sg-news-width: 92rem;
    --sg-news-reading: 46rem;
}

.sg-news-index,
.sg-news-article {
    background: var(--sg-news-surface);
    color: var(--sg-news-ink);
    font-family: Arial, "Helvetica Neue", sans-serif;
}

.sg-news-container {
    width: min(calc(100% - 2 * clamp(1.25rem, 4vw, 5rem)), var(--sg-news-width));
    margin-inline: auto;
}

.sg-news-masthead {
    padding: clamp(2.5rem, 4vw, 4rem) 0 clamp(2rem, 3vw, 3rem);
    border-bottom: 1px solid var(--sg-news-line);
}

.sg-news-masthead .sg-news-container {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(20rem, 0.75fr);
    align-items: end;
    gap: clamp(2rem, 6vw, 7rem);
}

.sg-news-eyebrow,
.sg-news-meta,
.sg-news-byline,
.sg-news-article__breadcrumb,
.sg-news-article__date {
    margin: 0;
    color: var(--sg-news-muted);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.sg-news-masthead h1 {
    margin: 0.7rem 0 0;
    font-size: clamp(2.5rem, 3vw, 3.25rem);
    font-weight: 800;
    letter-spacing: -0.055em;
    line-height: 0.94;
}

.sg-news-intro {
    max-width: 42rem;
    margin: 0 0 0 auto;
    color: var(--sg-news-muted);
    font-size: clamp(1rem, 1.35vw, 1.25rem);
    line-height: 1.65;
}

.sg-news-filters {
    position: sticky;
    top: 0;
    z-index: 20;
    border-bottom: 1px solid var(--sg-news-line);
    background: rgba(8, 8, 8, 0.94);
    backdrop-filter: blur(1rem);
}

.sg-news-filter-row {
    display: flex;
    gap: clamp(1.1rem, 2.6vw, 2.5rem);
    overflow-x: auto;
    scrollbar-width: none;
}

.sg-news-filter-row::-webkit-scrollbar { display: none; }

.sg-news-filter {
    position: relative;
    flex: 0 0 auto;
    padding: 1.15rem 0;
    color: var(--sg-news-muted);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-decoration: none;
}

.sg-news-filter::after {
    position: absolute;
    right: 0;
    bottom: -1px;
    left: 0;
    height: 2px;
    background: var(--sg-news-ink);
    content: "";
    opacity: 0;
}

.sg-news-filter:hover,
.sg-news-filter:focus-visible,
.sg-news-filter.is-active { color: var(--sg-news-ink); }
.sg-news-filter.is-active::after { opacity: 1; }

.sg-news-feed { padding-block: clamp(3rem, 5vw, 5rem) clamp(6rem, 10vw, 10rem); }
.sg-news-latest { margin-top: clamp(5rem, 10vw, 10rem); }

.sg-news-lead {
    display: grid;
    grid-template-columns: minmax(0, 2fr) minmax(18rem, 1fr);
    min-width: 0;
}

.sg-news-lead__media {
    display: block;
    aspect-ratio: 16 / 10;
    overflow: hidden;
    background: #171717;
}

.sg-news-lead__media img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 600ms cubic-bezier(0.2, 0.7, 0.2, 1);
}

.sg-news-lead__media:hover img { transform: scale(1.02); }

.sg-news-lead__copy {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    gap: 3rem;
    padding: clamp(2rem, 3vw, 3rem);
    background: var(--sg-news-panel);
}

.sg-news-lead__copy h2 {
    margin: 1.5rem 0 0;
    font-size: clamp(1.8rem, 2.25vw, 2.5rem);
    font-weight: 800;
    letter-spacing: -0.055em;
    line-height: 0.98;
}

.sg-news-lead__copy h2 a,
.sg-news-lead__cta {
    color: inherit;
    text-decoration: none;
}

.sg-news-lead__copy p {
    margin: 1.5rem 0 0;
    color: var(--sg-news-muted);
    font-size: 1rem;
    line-height: 1.65;
}

.sg-news-lead__cta {
    display: inline-flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding-top: 1.25rem;
    border-top: 1px solid var(--sg-news-line);
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.sg-news-section-heading {
    margin-bottom: clamp(2rem, 4vw, 3.5rem);
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--sg-news-line);
}

.sg-news-section-heading h2 {
    margin: 0;
    font-size: clamp(2rem, 4vw, 4rem);
    letter-spacing: -0.05em;
}

.sg-news-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: clamp(3rem, 6vw, 6rem) clamp(1.5rem, 3vw, 3rem);
}

.sg-news-card { min-width: 0; }

.sg-news-card__media {
    display: block;
    aspect-ratio: 16 / 10;
    overflow: hidden;
    background: #171717;
}

.sg-news-card__media img,
.sg-news-article__cover img,
.sg-news-article__body img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.sg-news-card__media img { transition: transform 500ms cubic-bezier(0.2, 0.7, 0.2, 1); }
.sg-news-card__media:hover img { transform: scale(1.025); }

.sg-news-card__copy { padding-top: 1.5rem; }
.sg-news-meta { display: flex; flex-wrap: wrap; gap: 0.65rem 1rem; }
.sg-news-meta span { color: var(--sg-news-accent); }

.sg-news-card h3 {
    margin: 1rem 0 0;
    font-size: clamp(1.45rem, 2vw, 2rem);
    font-weight: 750;
    letter-spacing: -0.035em;
    line-height: 1.08;
}

.sg-news-card h3 a { color: inherit; text-decoration: none; }
.sg-news-card h3 a:hover,
.sg-news-card h3 a:focus-visible { text-decoration: underline; text-decoration-thickness: 0.08em; text-underline-offset: 0.12em; }

.sg-news-empty {
    min-height: 40vh;
    padding: clamp(4rem, 10vw, 8rem) 0;
    border-top: 1px solid var(--sg-news-line);
}

.sg-news-empty h2 { margin: 0; font-size: clamp(2rem, 5vw, 5rem); }
.sg-news-empty p { color: var(--sg-news-muted); }

.sg-news-article__cover {
    width: min(calc(100% - 2 * clamp(0rem, 4vw, 5rem)), 80rem);
    margin: 0 auto;
    aspect-ratio: 16 / 9;
    overflow: hidden;
    background: #171717;
}

.sg-news-article__header {
    padding: clamp(3.5rem, 5vw, 5rem) clamp(1.25rem, 4vw, 5rem) clamp(2rem, 4vw, 4rem);
}

.sg-news-article__header-inner {
    width: min(100%, var(--sg-news-reading));
    margin-inline: auto;
}

.sg-news-article__breadcrumb {
    display: flex;
    flex-wrap: wrap;
    gap: 0.65rem;
}

.sg-news-back { color: inherit; text-decoration: none; }
.sg-news-back:hover,
.sg-news-back:focus-visible { color: var(--sg-news-ink); }

.sg-news-article__header h1 {
    max-width: 16ch;
    margin: clamp(2rem, 4vw, 3rem) 0 0;
    font-size: clamp(2.25rem, 3.4vw, 3.5rem);
    font-weight: 800;
    letter-spacing: -0.06em;
    line-height: 0.96;
}

html[lang^="zh"] .sg-news-article__header h1 {
    max-width: none;
}

.sg-news-article__date { display: block; margin-top: 2rem; }

.sg-news-article__dek {
    margin: clamp(2rem, 4vw, 3rem) 0 0;
    color: var(--sg-news-ink);
    font-size: clamp(1.1rem, 1.55vw, 1.35rem);
    font-weight: 650;
    line-height: 1.55;
}

.sg-news-byline { margin-top: 1.5rem; }

.sg-news-admin-actions {
    display: flex;
    margin-top: 1.5rem;
}

.sg-news-admin-edit {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 2.5rem;
    padding: 0.7rem 1rem;
    border: 1px solid var(--sg-news-line);
    color: var(--sg-news-ink);
    font-size: 0.75rem;
    font-weight: 750;
    letter-spacing: 0.08em;
    line-height: 1;
    text-decoration: none;
    text-transform: uppercase;
    transition: background-color 160ms ease, border-color 160ms ease, color 160ms ease;
}

.sg-news-admin-edit:hover,
.sg-news-admin-edit:focus-visible {
    border-color: var(--sg-news-ink);
    background: var(--sg-news-ink);
    color: var(--sg-news-surface);
}

.sg-news-article__body {
    width: min(calc(100% - 2 * 1.25rem), var(--sg-news-reading));
    margin: 0 auto clamp(5rem, 9vw, 9rem);
    color: #deddd8;
    font-size: clamp(1.05rem, 1.2vw, 1.18rem);
    line-height: 1.8;
}

.sg-news-article__body > :first-child { margin-top: 0; }
.sg-news-article__body p { margin: 1.5em 0; }
.sg-news-article__body h2,
.sg-news-article__body h3,
.sg-news-article__body h4 {
    margin: 2.25em 0 0.7em;
    color: var(--sg-news-ink);
    font-weight: 750;
    letter-spacing: -0.035em;
    line-height: 1.1;
}
.sg-news-article__body h2 { font-size: clamp(2rem, 4vw, 3.5rem); }
.sg-news-article__body h3 { font-size: clamp(1.55rem, 3vw, 2.5rem); }
.sg-news-article__body h4 { font-size: clamp(1.25rem, 2vw, 1.7rem); }
.sg-news-article__body img {
    width: min(76rem, calc(100vw - 2 * clamp(1.25rem, 4vw, 5rem)));
    max-width: none;
    height: auto;
    margin: clamp(2.5rem, 6vw, 5rem) 50%;
    transform: translateX(-50%);
}
.sg-news-article__body a { color: var(--sg-news-ink); text-decoration-thickness: 1px; text-underline-offset: 0.2em; }
.sg-news-article__body strong { color: var(--sg-news-ink); }
.sg-news-article__body hr { margin: 3rem 0; border: 0; border-top: 1px solid var(--sg-news-line); }
.sg-news-article__body blockquote { margin: 2rem 0; padding-left: 1.5rem; border-left: 2px solid var(--sg-news-accent); color: var(--sg-news-muted); }

.sg-news-related,
.sg-news-article__footer {
    width: min(calc(100% - 2 * clamp(1.25rem, 4vw, 5rem)), 78rem);
    margin-inline: auto;
}

.sg-news-related {
    display: flex;
    align-items: end;
    justify-content: space-between;
    gap: 2rem;
    padding: clamp(2rem, 4vw, 4rem);
    border: 1px solid var(--sg-news-line);
    background: var(--sg-news-panel);
}

.sg-news-related span { display: block; color: var(--sg-news-muted); font-size: 0.75rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; }
.sg-news-related strong { display: block; margin-top: 0.6rem; font-size: clamp(2rem, 4vw, 4rem); letter-spacing: -0.05em; }
.sg-news-related a { color: var(--sg-news-ink); font-size: 0.8rem; font-weight: 700; letter-spacing: 0.06em; text-decoration: none; text-transform: uppercase; }

.sg-news-article__footer {
    padding: clamp(4rem, 8vw, 8rem) 0;
    border-top: 1px solid var(--sg-news-line);
}
.sg-news-article__footer a { color: var(--sg-news-muted); font-size: 0.8rem; font-weight: 700; letter-spacing: 0.06em; text-decoration: none; text-transform: uppercase; }

@media (max-width: 68rem) {
    .sg-news-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .sg-news-lead { grid-template-columns: minmax(0, 1.5fr) minmax(18rem, 1fr); }
}

@media (max-width: 44rem) {
    .sg-news-masthead { padding-top: 3rem; }
    .sg-news-masthead .sg-news-container { grid-template-columns: 1fr; gap: 2rem; }
    .sg-news-masthead h1 { font-size: clamp(2.5rem, 12vw, 2.75rem); }
    .sg-news-intro { margin-left: 0; }
    .sg-news-filter { padding-block: 1rem; }
    .sg-news-grid,
    .sg-news-lead { grid-template-columns: 1fr; }
    .sg-news-lead__copy { min-height: 22rem; }
    .sg-news-article__cover { width: 100%; aspect-ratio: 16 / 10; }
    .sg-news-article__header { padding-top: 3rem; }
    .sg-news-article__header h1 { font-size: clamp(2rem, 9vw, 2.5rem); }
    .sg-news-related { align-items: flex-start; flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
    .sg-news-card__media img,
    .sg-news-lead__media img { transition: none; }
}

@supports not (backdrop-filter: blur(1rem)) {
    .sg-news-filters { background: #080808; }
}