.page-news {
  --news-bleed: 48px;
  --news-sec-gap: 56px;
  background:
    radial-gradient(1100px 480px at 90% -6%, rgba(47, 240, 206, 0.10), transparent 64%),
    radial-gradient(820px 400px at 3% 4%, rgba(255, 90, 43, 0.07), transparent 60%),
    var(--ky-ink);
}

.page-news .news-top {
  padding-top: 20px;
}

/* ---------- 首屏 ---------- */
.page-news .news-masthead {
  padding: 24px 0 34px;
  border-bottom: 1px solid var(--ky-line-soft);
}

.page-news .news-masthead__kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 18px;
  color: var(--ky-cyan);
  font-family: var(--ky-font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.page-news .news-masthead__kicker::before {
  content: "";
  width: 28px;
  height: 1px;
  background: var(--ky-cyan);
}

.page-news .news-masthead__title {
  margin: 0 0 18px;
  max-width: 22ch;
  color: var(--ky-white);
}

.page-news .news-masthead__lead {
  margin: 0;
  max-width: 60ch;
  color: var(--ky-white);
  font-size: clamp(15.5px, 1.5vw, 17.5px);
  line-height: 1.78;
}

.page-news .news-masthead__stats {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 40px;
  margin-top: 26px;
  padding-top: 20px;
  border-top: 1px solid var(--ky-line-soft);
}

.page-news .news-stat {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.page-news .news-stat__num {
  font-size: 22px;
  letter-spacing: 0.04em;
  color: var(--ky-cyan);
}

.page-news .news-stat__label {
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--ky-mist);
}

/* ---------- 主栅格 ---------- */
.page-news .news-body {
  display: grid;
  gap: 34px;
  padding: 32px 0 72px;
}

.page-news .news-axis {
  order: -1;
}

.page-news .news-stream {
  display: grid;
  gap: var(--news-sec-gap);
  min-width: 0;
}

@media (min-width: 1024px) {
  .page-news .news-body {
    grid-template-columns: 168px minmax(0, 1fr);
    gap: 56px;
    padding-top: 44px;
  }
  .page-news .news-axis {
    order: 0;
  }
}

/* ---------- 章节通用 ---------- */
.page-news .news-sec {
  scroll-margin-top: 108px;
  min-width: 0;
}

.page-news .news-sec__head {
  margin-bottom: 24px;
}

.page-news .news-sec__head .ky-index {
  display: block;
  margin: 0 0 10px;
  color: var(--ky-cyan);
  letter-spacing: 0.16em;
}

.page-news .news-sec__head h2 {
  margin: 0 0 12px;
  color: var(--ky-white);
}

.page-news .news-sec__head-note {
  margin: 0;
  max-width: 60ch;
  color: var(--ky-mist);
  font-size: 15px;
  line-height: 1.78;
}

.page-news .news-visual,
.page-news .news-screen-figure,
.page-news .news-feed-figure,
.page-news .archive-figure {
  margin: 26px 0 0;
}

.page-news .news-feed-figure {
  max-width: 300px;
  margin-left: auto;
}

/* ---------- 批次时间轴 ---------- */
.page-news .batch-rail {
  list-style: none;
  margin: 0;
  padding: 14px 0 0;
  position: relative;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.page-news .batch-rail::before {
  content: "";
  position: absolute;
  top: 0;
  left: 8%;
  right: 8%;
  height: 1px;
  background: var(--ky-line);
}

.page-news .batch-node {
  position: relative;
  padding: 26px 16px 20px;
  background: var(--ky-panel);
  border: 1px solid var(--ky-line-soft);
  border-radius: var(--ky-radius);
  transition: background 0.28s var(--ky-ease), border-color 0.28s var(--ky-ease);
}

.page-news .batch-node::before {
  content: "";
  position: absolute;
  top: -5px;
  left: 50%;
  transform: translateX(-50%);
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--ky-amber);
}

.page-news .batch-node--live {
  background: linear-gradient(180deg, rgba(47, 240, 206, 0.12), var(--ky-panel) 72%);
  border-color: rgba(47, 240, 206, 0.55);
}

.page-news .batch-node--live::before {
  top: -6px;
  width: 11px;
  height: 11px;
  background: var(--ky-cyan);
  box-shadow: 0 0 0 5px rgba(47, 240, 206, 0.2);
}

.page-news .batch-node__time {
  display: block;
  font-size: 25px;
  letter-spacing: 0.05em;
  color: var(--ky-white);
}

.page-news .batch-node--live .batch-node__time {
  color: var(--ky-cyan);
}

.page-news .batch-node__label {
  display: block;
  margin-top: 6px;
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--ky-white);
}

.page-news .batch-node__note {
  display: block;
  margin-top: 6px;
  font-size: 12px;
  line-height: 1.68;
  color: var(--ky-mist);
}

@media (min-width: 760px) {
  .page-news .batch-rail {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 12px;
  }
}

/* ---------- 大屏栏目板块 ---------- */
.page-news .screen-rail {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--ky-line-soft);
  border: 1px solid var(--ky-line-soft);
  border-radius: var(--ky-radius);
  overflow: hidden;
}

.page-news .screen-rail__item {
  background: var(--ky-ink);
  padding: 22px 20px;
  transition: background 0.28s var(--ky-ease);
}

.page-news .screen-rail__item:hover,
.page-news .screen-rail__item:focus-within {
  background: var(--ky-panel);
}

.page-news .screen-rail__no {
  display: block;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--ky-cyan);
}

.page-news .screen-rail__name {
  margin: 8px 0 8px;
  font-size: 17px;
  font-weight: 500;
  color: var(--ky-white);
}

.page-news .screen-rail__desc {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--ky-mist);
  transition: color 0.28s var(--ky-ease);
}

.page-news .screen-rail__item:hover .screen-rail__desc {
  color: var(--ky-cyan-soft);
}

@media (min-width: 720px) {
  .page-news .screen-rail {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1080px) {
  .page-news .screen-rail {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* ---------- 筛选栏 ---------- */
.page-news .feed-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding: 16px 0;
  margin-bottom: 6px;
  border-top: 1px solid var(--ky-line-soft);
  border-bottom: 1px solid var(--ky-line-soft);
}

.page-news .feed-toolbar .ky-filter__btn {
  font: inherit;
  font-size: 13px;
  letter-spacing: 0.03em;
  padding: 7px 15px;
  border-radius: 999px;
  border: 1px solid var(--ky-line);
  background: transparent;
  color: var(--ky-mist);
  cursor: pointer;
  transition: background 0.24s var(--ky-ease), color 0.24s var(--ky-ease),
    border-color 0.24s var(--ky-ease);
}

.page-news .feed-toolbar .ky-filter__btn:hover {
  border-color: var(--ky-cyan-soft);
  color: var(--ky-white);
}

.page-news .feed-toolbar .ky-filter__btn[aria-pressed="true"],
.page-news .feed-toolbar .ky-filter__btn.is-active,
.page-news .feed-toolbar .ky-filter__btn[data-active="true"] {
  background: var(--ky-cyan);
  border-color: var(--ky-cyan);
  color: var(--ky-ink);
  font-weight: 600;
}

.page-news .feed-toolbar .ky-filter__btn:focus-visible {
  outline: 2px solid var(--ky-cyan);
  outline-offset: 2px;
}

.page-news .feed-toolbar .ky-filter__meta {
  margin-left: auto;
  font-family: var(--ky-font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--ky-amber);
}

/* ---------- 条目流 ---------- */
.page-news .feed {
  list-style: none;
  margin: 0;
  padding: 0;
  overflow-x: clip;
}

.page-news .news-item {
  position: relative;
  padding: 20px 0 20px 18px;
  border-left: 2px solid var(--ky-line-soft);
  border-bottom: 1px solid var(--ky-line-soft);
  transition: background 0.28s var(--ky-ease);
}

.page-news .news-item[hidden],
.page-news .news-item.is-hidden {
  display: none;
}

.page-news .news-item--hot {
  border-left-color: var(--ky-orange);
  background: linear-gradient(90deg, rgba(255, 90, 43, 0.09), transparent 58%);
}

.page-news .news-item__batch {
  display: flex;
  flex-direction: column;
  gap: 5px;
  margin-bottom: 10px;
}

.page-news .news-item__batch strong {
  font-size: 18px;
  letter-spacing: 0.05em;
  color: var(--ky-cyan);
}

.page-news .news-item--hot .news-item__batch strong {
  color: var(--ky-orange);
}

.page-news .news-item__rel {
  position: relative;
  width: max-content;
  font-size: 11px;
  letter-spacing: 0.05em;
  color: var(--ky-mist);
  border-bottom: 1px dashed var(--ky-line);
  cursor: help;
  outline-offset: 3px;
}

.page-news .news-item__rel:hover,
.page-news .news-item__rel:focus {
  color: var(--ky-cyan-soft);
  border-bottom-color: var(--ky-cyan-soft);
}

.page-news .news-item__rel:hover::after,
.page-news .news-item__rel:focus::after {
  content: attr(data-full);
  position: absolute;
  left: 0;
  bottom: 160%;
  z-index: 6;
  white-space: nowrap;
  padding: 5px 10px;
  border-radius: var(--ky-radius);
  background: var(--ky-void);
  border: 1px solid var(--ky-line);
  color: var(--ky-cyan-soft);
  font-family: var(--ky-font-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
}

.page-news .news-item__body h3 {
  margin: 0 0 8px;
  font-size: 17px;
  font-weight: 500;
  line-height: 1.46;
  color: var(--ky-white);
}

.page-news .news-item__body p {
  margin: 0;
  max-width: 58ch;
  font-size: 14.5px;
  line-height: 1.74;
  color: var(--ky-mist);
}

.page-news .news-item__tags {
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.page-news .news-item__tags .ky-tag {
  font-size: 11px;
  padding: 3px 9px;
  letter-spacing: 0.04em;
}

@media (min-width: 860px) {
  .page-news .news-item {
    display: grid;
    grid-template-columns: 100px minmax(0, 1fr);
    gap: 24px;
    padding: 24px 0 24px 18px;
  }
  .page-news .news-item__batch {
    margin-bottom: 0;
    padding-top: 2px;
  }
}

@media (min-width: 1100px) {
  .page-news .news-item--hot {
    margin-right: calc(var(--news-bleed) * -1);
    padding-right: var(--news-bleed);
  }
}

/* ---------- 归档 ---------- */
.page-news .archive-layout {
  display: grid;
  gap: 28px;
}

.page-news .archive-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--ky-line-soft);
  border-top: 1px solid var(--ky-line-soft);
  border-bottom: 1px solid var(--ky-line-soft);
}

.page-news .archive-item {
  background: var(--ky-ink);
  padding: 18px 0;
  display: grid;
  gap: 6px;
}

.page-news .archive-item__num {
  font-size: 16px;
  letter-spacing: 0.06em;
  color: var(--ky-amber);
}

.page-news .archive-item__name {
  font-size: 15px;
  font-weight: 500;
  color: var(--ky-white);
}

.page-news .archive-item p {
  margin: 0;
  max-width: 56ch;
  font-size: 14px;
  line-height: 1.74;
  color: var(--ky-mist);
}

.page-news .news-inline-link {
  margin: 22px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--ky-mist);
}

.page-news .news-inline-link a {
  color: var(--ky-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(47, 240, 206, 0.4);
  transition: border-color 0.24s var(--ky-ease), color 0.24s var(--ky-ease);
}

.page-news .news-inline-link a:hover,
.page-news .news-inline-link a:focus-visible {
  color: var(--ky-cyan-soft);
  border-bottom-color: var(--ky-cyan-soft);
}

@media (min-width: 900px) {
  .page-news .archive-layout {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 44px;
    align-items: start;
  }
  .page-news .archive-figure {
    margin-top: 0;
  }
}

/* ---------- 批次提醒 ---------- */
.page-news .alert-rows {
  display: grid;
  gap: 1px;
  background: var(--ky-line-soft);
  border-top: 1px solid var(--ky-line-soft);
}

.page-news .alert-row {
  background: var(--ky-ink);
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  gap: 16px;
  padding: 20px 0;
}

.page-news .alert-row__no {
  font-size: 13px;
  letter-spacing: 0.14em;
  color: var(--ky-cyan);
  padding-top: 3px;
}

.page-news .alert-row__content h3 {
  margin: 0 0 8px;
  color: var(--ky-white);
}

.page-news .alert-row__content p {
  margin: 0;
  max-width: 56ch;
  font-size: 14px;
  line-height: 1.74;
  color: var(--ky-mist);
}

.page-news .alert-cta {
  margin-top: 24px;
  padding: 24px 22px;
  display: grid;
  gap: 18px;
  border-radius: var(--ky-radius);
  border: 1px solid var(--ky-line);
}

.page-news .alert-cta__text {
  margin: 0;
  max-width: 58ch;
  font-size: 14.5px;
  line-height: 1.76;
  color: var(--ky-white);
}

.page-news .alert-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

@media (min-width: 760px) {
  .page-news .alert-cta {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    padding: 26px 28px;
  }
}

/* ---------- 动效偏好 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-news .batch-node,
  .page-news .news-item,
  .page-news .screen-rail__item,
  .page-news .screen-rail__desc,
  .page-news .feed-toolbar .ky-filter__btn {
    transition: none;
  }
}
</main>