/* ===== 新闻动态页 /news/ ===== */
.page-news { background: var(--color-bg); color: var(--color-cream); overflow-x: hidden; }
.page-news img { max-width: 100%; height: auto; }

/* ---------- Hero ---------- */
.page-news .news-hero { position: relative; isolation: isolate; padding: var(--space-5) 0 var(--space-4); }
.page-news .news-hero::before { content: ''; position: absolute; top: 0; right: 0; width: 46%; height: 4px; background: linear-gradient(90deg, transparent, var(--color-accent)); }
.page-news .news-hero::after { content: ''; position: absolute; right: 0; bottom: -1px; width: 26%; height: 12px; background: var(--color-blue); clip-path: polygon(0 0, 100% 0, 100% 100%, 20% 100%); opacity: .7; z-index: -1; }
.page-news .news-hero__inner { display: grid; gap: var(--space-4); }
.page-news .news-hero__kicker { font-size: .75rem; font-weight: 600; letter-spacing: .22em; text-transform: uppercase; color: var(--color-blue); margin: 0 0 var(--space-2); }
.page-news .news-hero h1 { font-family: var(--font-heading); font-style: italic; font-weight: 800; font-size: clamp(2.4rem, 6vw, 4.2rem); line-height: 1.05; margin: 0; transform: skewX(-5deg); }
.page-news .news-hero__desc { max-width: 34rem; margin: var(--space-3) 0 0; font-size: 1.0625rem; line-height: 1.7; color: rgba(245, 240, 230, .78); }
.page-news .news-hero__stats { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; margin: 0; padding: 0; background: rgba(245, 240, 230, .12); border: 1px solid rgba(245, 240, 230, .12); border-left: 4px solid var(--color-accent); }
.page-news .news-hero__stat { background: var(--color-bg); padding: var(--space-3) var(--space-2); }
.page-news .news-hero__stat dt { margin: 0; font-size: .75rem; letter-spacing: .08em; color: rgba(245, 240, 230, .6); text-transform: uppercase; }
.page-news .news-hero__stat dd { margin: .25rem 0 0; font-family: var(--font-heading); font-size: 1.6rem; font-weight: 800; color: var(--color-accent); }

/* ---------- Catalog / Filter ---------- */
.page-news .news-catalog { padding: 0 0 var(--space-6); }
.page-news .news-catalog__filter { display: grid; gap: var(--space-3); padding: var(--space-4) 0; border-top: 1px solid rgba(245, 240, 230, .12); border-bottom: 1px solid rgba(245, 240, 230, .12); }
.page-news .news-filter-bar { display: flex; flex-wrap: wrap; gap: .625rem; align-items: center; }
.page-news .news-filter-bar__label,
.page-news .news-filter-hot__label { font-size: .75rem; font-weight: 600; letter-spacing: .18em; text-transform: uppercase; color: rgba(245, 240, 230, .55); margin-right: .5rem; }
.page-news .news-filter__radio { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.page-news .news-filter__tab { display: inline-flex; align-items: center; gap: .375rem; padding: .45rem .85rem; border: 1px solid rgba(245, 240, 230, .2); background: transparent; color: rgba(245, 240, 230, .75); font-size: .8125rem; font-weight: 500; cursor: pointer; transition: background var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast); clip-path: polygon(0 0, calc(100% - 8px) 0, 100% 8px, 100% 100%, 0 100%); }
.page-news .news-filter__tab:hover { border-color: var(--color-blue); color: var(--color-cream); }
.page-news .news-filter__radio:focus-visible + .news-filter__tab { outline: 2px solid var(--color-blue); outline-offset: 2px; }
.page-news #cat-all:checked + .news-filter__tab { background: var(--color-cream); border-color: var(--color-cream); color: var(--color-bg); }
.page-news #cat-product:checked + .news-filter__tab { background: var(--color-accent); border-color: var(--color-accent); color: var(--color-bg); }
.page-news #cat-upgrade:checked + .news-filter__tab { background: var(--color-blue); border-color: var(--color-blue); color: var(--color-bg); }
.page-news #cat-service:checked + .news-filter__tab { background: var(--color-terra); border-color: var(--color-terra); color: var(--color-cream); }
.page-news #cat-data:checked + .news-filter__tab { background: var(--color-moss); border-color: var(--color-moss); color: var(--color-cream); }
.page-news .news-filter-hot { display: flex; flex-wrap: wrap; gap: .5rem; align-items: center; }
.page-news .news-filter-hot__tag { display: inline-block; padding: .28rem .7rem; border-radius: 999px; border: 1px solid rgba(57, 255, 20, .28); color: var(--color-accent); font-size: .75rem; text-decoration: none; transition: background var(--transition-fast), color var(--transition-fast); }
.page-news .news-filter-hot__tag:hover { background: rgba(57, 255, 20, .12); color: var(--color-cream); }

/* ---------- News Layout ---------- */
.page-news .news-layout { display: grid; gap: var(--space-5); padding-top: var(--space-5); }
.page-news .news-content { display: grid; gap: var(--space-4); }
.page-news .news-item { position: relative; display: grid; gap: var(--space-3); padding: 0; }
.page-news .news-item::before { content: ''; position: absolute; top: 0; left: 0; width: 3rem; height: 3px; background: var(--color-terra); transition: background var(--transition-fast), width var(--transition-fast); }
.page-news .news-item:hover::before { background: var(--color-accent); width: 4.5rem; }
.page-news .news-item__media { position: relative; overflow: hidden; }
.page-news .news-item__img { width: 100%; object-fit: cover; filter: saturate(.82); transition: filter var(--transition-base), transform var(--transition-base); }
.page-news .news-item:hover .news-item__img { filter: saturate(1); transform: scale(1.015); }
.page-news .news-item__body { min-width: 0; }
.page-news .news-item__meta { display: flex; align-items: center; flex-wrap: wrap; gap: .75rem; margin-bottom: var(--space-2); }
.page-news .news-tag { display: inline-block; padding: .2rem .65rem; font-size: .6875rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--color-bg); clip-path: polygon(0 0, calc(100% - 6px) 0, 100% 6px, 100% 100%, 0 100%); }
.page-news .news-tag--product { background: var(--color-accent); }
.page-news .news-tag--upgrade { background: var(--color-blue); }
.page-news .news-tag--service { background: var(--color-terra); color: var(--color-cream); }
.page-news .news-tag--data { background: var(--color-moss); color: var(--color-cream); }
.page-news .news-item__context { font-size: .75rem; color: rgba(245, 240, 230, .5); letter-spacing: .04em; }
.page-news .news-item__headline { list-style: none; cursor: pointer; display: flex; align-items: baseline; gap: .5rem; }
.page-news .news-item__headline::-webkit-details-marker { display: none; }
.page-news .news-item__headline::after { content: '+'; font-size: 1rem; color: var(--color-blue); font-weight: 400; margin-left: auto; transition: color var(--transition-fast); }
.page-news .news-item__details[open] .news-item__headline::after { content: '–'; color: var(--color-accent); }
.page-news .news-item__headline h2 { font-family: var(--font-heading); font-size: 1.35rem; font-weight: 800; line-height: 1.3; margin: 0; color: var(--color-cream); transition: color var(--transition-fast); }
.page-news .news-item__details:hover .news-item__headline h2 { color: var(--color-blue); }
.page-news .news-item__excerpt { display: none; margin-top: var(--space-3); padding-left: 1rem; border-left: 3px solid var(--color-accent); animation: news-fade var(--transition-base); }
.page-news .news-item__details[open] .news-item__excerpt { display: block; }
.page-news .news-item__excerpt p { margin: 0 0 var(--space-2); font-size: .9375rem; line-height: 1.7; color: rgba(245, 240, 230, .75); }
@keyframes news-fade { from { opacity: 0; transform: translateY(-4px); } to { opacity: 1; transform: translateY(0); } }

/* ---------- Filter behavior (progressive enhancement) ---------- */
.page-news .news-catalog:has(#cat-product:checked) .news-item:not([data-cat="product"]),
.page-news .news-catalog:has(#cat-upgrade:checked) .news-item:not([data-cat="upgrade"]),
.page-news .news-catalog:has(#cat-service:checked) .news-item:not([data-cat="service"]),
.page-news .news-catalog:has(#cat-data:checked) .news-item:not([data-cat="data"]) { display: none; }

/* ---------- Sidebar ---------- */
.page-news .news-sidebar { display: grid; gap: var(--space-4); align-content: start; }
.page-news .sidebar-card { padding: var(--space-4); background: var(--color-surface); border: 1px solid rgba(245, 240, 230, .1); border-left: 4px solid var(--color-terra); }
.page-news .sidebar-card--featured { border-left-color: var(--color-accent); background: linear-gradient(135deg, rgba(28, 34, 40, .94), rgba(10, 14, 18, .96)); }
.page-news .sidebar-card__tag { display: inline-block; padding: .2rem .6rem; font-size: .6875rem; letter-spacing: .12em; text-transform: uppercase; color: var(--color-bg); background: var(--color-accent); }
.page-news .sidebar-card h2,
.page-news .sidebar-card h3 { font-family: var(--font-heading); margin: 0 0 var(--space-2); }
.page-news .sidebar-card h2 { font-size: 1.2rem; }
.page-news .sidebar-card h3 { font-size: 1rem; color: var(--color-cream); letter-spacing: .04em; }
.page-news .sidebar-card p { font-size: .875rem; line-height: 1.6; color: rgba(245, 240, 230, .7); margin: 0 0 var(--space-3); }
.page-news .sidebar-card__link { color: var(--color-accent); text-decoration: none; font-weight: 600; }
.page-news .sidebar-card__link:hover { color: var(--color-blue); }
.page-news .sidebar-card__list,
.page-news .sidebar-card__links { list-style: none; margin: 0; padding: 0; }
.page-news .sidebar-card__list li,
.page-news .sidebar-card__links li { border-top: 1px solid rgba(245, 240, 230, .08); }
.page-news .sidebar-card__list li:first-child,
.page-news .sidebar-card__links li:first-child { border-top: 0; }
.page-news .sidebar-card__list a,
.page-news .sidebar-card__links a { display: block; padding: .625rem 0; color: rgba(245, 240, 230, .78); text-decoration: none; font-size: .875rem; transition: color var(--transition-fast), padding-left var(--transition-fast); }
.page-news .sidebar-card__list a:hover,
.page-news .sidebar-card__links a:hover { color: var(--color-blue); padding-left: .35rem; }
.page-news .sidebar-data { display: grid; gap: .75rem; margin: 0; }
.page-news .sidebar-data__item { display: flex; justify-content: space-between; align-items: baseline; border-bottom: 1px dotted rgba(245, 240, 230, .15); padding-bottom: .5rem; }
.page-news .sidebar-data__item dt { font-size: .8125rem; color: rgba(245, 240, 230, .6); }
.page-news .sidebar-data__item dd { font-family: var(--font-heading); font-size: 1.1rem; font-weight: 800; color: var(--color-accent); margin: 0; }

/* ---------- Featured ---------- */
.page-news .featured-zone { position: relative; padding: var(--space-6) 0; background: linear-gradient(160deg, rgba(28, 34, 40, .6), transparent 55%), repeating-linear-gradient(-45deg, rgba(57, 255, 20, .03) 0 2px, transparent 2px 14px); }
.page-news .featured-zone__inner { display: grid; gap: var(--space-4); border-left: 4px solid var(--color-accent); padding-left: 1rem; }
.page-news .featured-zone__media { overflow: hidden; }
.page-news .featured-zone__img { width: 100%; max-width: 600px; object-fit: cover; border: 1px solid rgba(245, 240, 230, .12); }
.page-news .featured-zone__content { max-width: 34rem; }
.page-news .featured-zone__eyebrow { display: inline-block; font-size: .6875rem; font-weight: 700; letter-spacing: .18em; text-transform: uppercase; color: var(--color-blue); margin: 0 0 var(--space-2); }
.page-news .featured-zone h2 { font-family: var(--font-heading); font-style: italic; font-size: clamp(1.5rem, 3.6vw, 2.6rem); line-height: 1.15; margin: 0 0 var(--space-3); }
.page-news .featured-zone__content > p { font-size: .9375rem; line-height: 1.75; color: rgba(245, 240, 230, .76); margin: 0 0 var(--space-4); }
.page-news .featured-zone__stats { list-style: none; display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; padding: 0; margin: 0 0 var(--space-4); background: rgba(245, 240, 230, .12); border: 1px solid rgba(245, 240, 230, .12); }
.page-news .featured-zone__stats li { background: var(--color-bg); padding: var(--space-3) var(--space-2); text-align: center; }
.page-news .featured-zone__stats strong { display: block; font-family: var(--font-heading); font-size: 1.5rem; color: var(--color-accent); line-height: 1.1; }
.page-news .featured-zone__stats span { display: block; margin-top: .4rem; font-size: .75rem; color: rgba(245, 240, 230, .6); }

/* ---------- CTA ---------- */
.page-news .news-cta { padding: var(--space-6) 0; }
.page-news .news-cta__inner { padding: var(--space-5); background: rgba(28, 34, 40, .5); border: 1px solid rgba(245, 240, 230, .12); display: grid; gap: var(--space-2); text-align: left; clip-path: polygon(0 0, calc(100% - 2rem) 0, 100% 2rem, 100% 100%, 0 100%); }
.page-news .news-cta__inner h2 { font-family: var(--font-heading); font-size: 1.4rem; margin: 0; }
.page-news .news-cta__inner p { margin: 0; color: rgba(245, 240, 230, .7); font-size: .9375rem; }

/* ---------- Tablet / Desktop ---------- */
@media (min-width: 768px) {
  .page-news .news-hero__inner { grid-template-columns: minmax(0, 1fr) minmax(280px, 420px); gap: var(--space-5); align-items: end; }
  .page-news .news-hero__stats { grid-template-columns: repeat(2, 1fr); }
  .page-news .news-catalog__filter { grid-template-columns: minmax(0, 1fr) auto; align-items: center; }
  .page-news .news-layout { grid-template-columns: minmax(0, 1fr) 320px; gap: var(--space-5); align-items: start; }
  .page-news .news-content { gap: var(--space-5); }
  .page-news .news-item:has(.news-item__media) { grid-template-columns: 220px minmax(0, 1fr); gap: var(--space-4); align-items: start; }
  .page-news .news-item__details { margin-top: .25rem; }
  .page-news .featured-zone__inner { grid-template-columns: minmax(0, 380px) minmax(0, 1fr); gap: var(--space-6); align-items: center; padding-left: 2rem; }
  .page-news .featured-zone__img { max-width: 100%; }
  .page-news .news-cta__inner { grid-template-columns: minmax(0, 1fr) auto; align-items: center; gap: var(--space-4); }
}

@media (min-width: 1080px) {
  .page-news .news-item:has(.news-item__media) { grid-template-columns: 300px minmax(0, 1fr); gap: var(--space-5); }
  .page-news .news-item__headline h2 { font-size: 1.5rem; }
}