.page-news {
  --news-skew: -3.4deg;
  --news-shadow: 0 26px 54px -30px rgba(14, 59, 46, .78);
  display: block;
}

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  position: relative;
  overflow: hidden;
  background: var(--deep-pitch);
  color: var(--warm-white);
}

.page-news .news-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    repeating-linear-gradient(112deg, rgba(246, 243, 236, .05) 0 1px, transparent 1px 26px),
    radial-gradient(115% 88% at 86% 4%, rgba(43, 210, 255, .20), transparent 62%),
    radial-gradient(78% 62% at 6% 98%, rgba(55, 242, 160, .13), transparent 62%);
}

.page-news .news-hero__crumb {
  position: relative;
  padding-top: 14px;
}

.page-news .news-hero .breadcrumb__link,
.page-news .news-hero .breadcrumb__current {
  color: rgba(246, 243, 236, .74);
}

.page-news .news-hero .breadcrumb__link:hover {
  color: var(--blue);
}

.page-news .news-hero .breadcrumb__sep {
  color: rgba(246, 243, 236, .38);
}

.page-news .news-hero__grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 5vw, 54px);
  align-items: center;
  padding: clamp(26px, 5vw, 62px) 0 clamp(24px, 4vw, 50px);
}

.page-news .news-hero__title {
  margin: 12px 0 0;
  font-size: clamp(38px, 8.6vw, 72px);
  line-height: .98;
  letter-spacing: -.015em;
}

.page-news .news-hero__title span {
  display: block;
  margin-top: 12px;
  font-family: var(--font-body);
  font-size: clamp(15px, 3.2vw, 20px);
  font-weight: 500;
  line-height: 1.55;
  letter-spacing: .01em;
  color: rgba(246, 243, 236, .78);
}

.page-news .news-hero__lede {
  margin: 20px 0 26px;
  max-width: 58ch;
  color: rgba(246, 243, 236, .88);
}

.page-news .news-hero__media {
  position: relative;
  margin: 0;
  border: 1px solid var(--line-invert-strong);
  background: var(--pitch-mid);
  box-shadow: var(--news-shadow);
}

.page-news .news-hero__media .media__img,
.page-news .series__media .media__img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-news .news-hero__media .media__caption,
.page-news .series__media .media__caption {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
}

.page-news .news-hero__ticker {
  position: relative;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--line-invert);
}

.page-news .tick {
  padding: 16px 12px 18px 0;
  border-left: 1px solid transparent;
}

.page-news .tick:nth-child(2n) {
  padding-left: 14px;
  border-left-color: var(--line-invert);
}

.page-news .tick__num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(20px, 3.4vw, 28px);
  font-weight: 500;
  line-height: 1.1;
  color: var(--blue);
}

.page-news .tick__num em {
  font-style: normal;
  font-size: .62em;
  vertical-align: .18em;
  margin-left: 2px;
  color: var(--green);
}

.page-news .tick__label {
  display: block;
  margin-top: 7px;
  font-size: 13px;
  line-height: 1.6;
  color: rgba(246, 243, 236, .72);
}

/* ---------- 栏目导读 ---------- */
.page-news .news-index {
  position: sticky;
  top: var(--header-h);
  z-index: 6;
  background: rgba(246, 243, 236, .95);
  border-bottom: 1px solid var(--line);
}

.page-news .news-index__inner {
  display: flex;
  align-items: center;
  gap: 14px;
  overflow-x: auto;
  padding-top: 9px;
  padding-bottom: 9px;
  scrollbar-width: none;
}

.page-news .news-index__inner::-webkit-scrollbar {
  display: none;
}

.page-news .news-index__label {
  flex: none;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--mid-gray);
}

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

.page-news .news-index__link {
  display: block;
  white-space: nowrap;
  padding: 6px 11px;
  font-size: 13px;
  color: var(--graphite);
  text-decoration: none;
  border: 1px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.page-news .news-index__link:hover {
  color: var(--charcoal);
  border-color: var(--line-strong);
}

.page-news .news-index__link[aria-current="true"] {
  color: var(--charcoal);
  border-color: var(--orange);
  background: rgba(255, 122, 26, .12);
}

/* ---------- 阶段筛选 ---------- */
.page-news .stage-track {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 16px 0 18px;
  margin-bottom: clamp(24px, 4vw, 42px);
  border-top: 1px solid var(--line-strong);
  border-bottom: 1px solid var(--line);
}

.page-news .stage-chip {
  position: relative;
  display: inline-flex;
  align-items: center;
  padding: 7px 13px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--graphite);
  border: 1px solid var(--line-strong);
  background: transparent;
  cursor: pointer;
  transition: background-color var(--dur) var(--ease), border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-news .stage-chip:hover {
  color: var(--charcoal);
  border-color: var(--charcoal);
}

.page-news .stage-chip__input {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: 0;
  opacity: 0;
  clip-path: inset(50%);
}

.page-news .stage-chip:has(.stage-chip__input:checked) {
  color: var(--charcoal);
  background: var(--orange);
  border-color: var(--orange);
}

.page-news .stage-chip:has(.stage-chip__input:focus-visible) {
  outline: 2px solid var(--blue-ink);
  outline-offset: 2px;
}

.page-news .stage-filter:has(#stage-pre:checked) .post:not([data-stage="pre"]),
.page-news .stage-filter:has(#stage-intl:checked) .post:not([data-stage="intl"]),
.page-news .stage-filter:has(#stage-mid:checked) .post:not([data-stage="mid"]),
.page-news .stage-filter:has(#stage-winter:checked) .post:not([data-stage="winter"]),
.page-news .stage-filter:has(#stage-final:checked) .post:not([data-stage="final"]) {
  display: none;
}

.page-news .stage-filter:has(#stage-pre:checked) .series:not(:has(.post[data-stage="pre"])),
.page-news .stage-filter:has(#stage-intl:checked) .series:not(:has(.post[data-stage="intl"])),
.page-news .stage-filter:has(#stage-mid:checked) .series:not(:has(.post[data-stage="mid"])),
.page-news .stage-filter:has(#stage-winter:checked) .series:not(:has(.post[data-stage="winter"])),
.page-news .stage-filter:has(#stage-final:checked) .series:not(:has(.post[data-stage="final"])) {
  display: none;
}

/* ---------- 头条 ---------- */
.page-news .headline-post {
  position: relative;
  margin-bottom: clamp(34px, 5vw, 58px);
  padding: clamp(22px, 4vw, 42px);
  background: #FFFFFF;
  border: 1px solid var(--line-strong);
  box-shadow: 0 18px 44px -32px rgba(14, 59, 46, .55);
}

.page-news .headline-post::before {
  content: "";
  position: absolute;
  left: -1px;
  top: -1px;
  bottom: -1px;
  width: 4px;
  background: var(--orange);
}

.page-news .headline-post__title {
  margin: 12px 0 14px;
  font-family: var(--font-display);
  font-size: clamp(24px, 4.6vw, 40px);
  line-height: 1.16;
  letter-spacing: -.012em;
  color: var(--charcoal);
}

.page-news .headline-post__lede {
  margin: 0 0 20px;
  max-width: 62ch;
  font-size: clamp(15px, 2vw, 17px);
  line-height: 1.85;
  color: var(--graphite);
}

.page-news .headline-post__points {
  display: grid;
  gap: 10px;
  margin: 0 0 22px;
  padding: 16px 0 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.page-news .headline-post__points li {
  position: relative;
  padding-left: 22px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--graphite);
}

.page-news .headline-post__points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 12px;
  width: 12px;
  height: 1px;
  background: var(--green-ink);
}

/* ---------- 系列分组 ---------- */
.page-news .series {
  position: relative;
  margin-bottom: clamp(34px, 5vw, 62px);
  padding-top: clamp(22px, 3.4vw, 36px);
  border-top: 2px solid var(--charcoal);
}

.page-news .series__head {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--gap);
  align-items: start;
  margin-bottom: clamp(16px, 3vw, 28px);
}

.page-news .series__title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: clamp(22px, 3.2vw, 30px);
  line-height: 1.25;
  color: var(--charcoal);
}

.page-news .series__title::before {
  content: "";
  display: inline-block;
  width: 9px;
  height: 9px;
  margin-right: 12px;
  border-radius: 50%;
  background: var(--green);
  vertical-align: 2px;
}

.page-news .series__desc {
  margin: 0;
  max-width: 60ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--graphite);
}

.page-news .series__media {
  margin: 0;
  border: 1px solid var(--line-strong);
  background: var(--pitch-mid);
}

/* ---------- 文章条目 ---------- */
.page-news .post {
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr);
  gap: 12px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
  transition: transform var(--dur) var(--ease);
}

.page-news .post:hover {
  transform: translateY(-2px);
}

.page-news .post__idx {
  padding-top: 5px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--mid-gray);
  transition: color var(--dur) var(--ease);
}

.page-news .post:hover .post__idx {
  color: var(--orange-ink);
}

.page-news .post__title {
  margin: 0 0 8px;
  font-size: clamp(16px, 2.2vw, 20px);
  font-weight: 700;
  line-height: 1.5;
  color: var(--charcoal);
}

.page-news .post__excerpt {
  margin: 0 0 12px;
  max-width: 64ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--graphite);
}

.page-news .post__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .05em;
  color: var(--mid-gray);
}

.page-news .post__read {
  opacity: .38;
  transition: opacity var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-news .post:hover .post__read,
.page-news .post:focus-within .post__read {
  opacity: 1;
  color: var(--blue-ink);
}

.page-news .post-list--notes .post--note {
  grid-template-columns: 48px minmax(0, 1fr);
  padding: 15px 0;
}

.page-news .post--note .post__title {
  font-size: 16px;
  margin-bottom: 6px;
}

.page-news .post--note .post__excerpt {
  font-size: 14px;
  margin-bottom: 10px;
}

/* ---------- 折叠 ---------- */
.page-news .series__fold {
  margin-top: 6px;
}

.page-news .series__fold .fold__summary {
  padding: 15px 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--blue-ink);
  border-bottom: 1px solid var(--line);
  cursor: pointer;
  list-style: none;
}

.page-news .series__fold .fold__summary::-webkit-details-marker {
  display: none;
}

.page-news .series__fold .fold__summary::before {
  content: "+";
  display: inline-block;
  width: 18px;
  color: var(--orange-ink);
}

.page-news .series__fold[open] .fold__summary::before {
  content: "–";
}

.page-news .series__foot {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  padding-top: 20px;
}

/* ---------- 年度同步 ---------- */
.page-news .sync {
  position: relative;
  overflow: hidden;
  background: var(--deep-pitch);
  color: var(--warm-white);
}

.page-news .sync::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    repeating-linear-gradient(0deg, rgba(246, 243, 236, .06) 0 1px, transparent 1px 46px),
    repeating-linear-gradient(90deg, rgba(246, 243, 236, .06) 0 1px, transparent 1px 46px);
}

.page-news .sync__grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 46px);
  align-items: center;
}

.page-news .sync__title {
  color: var(--warm-white);
  margin: 10px 0 16px;
}

.page-news .sync__lede {
  margin: 0;
  max-width: 64ch;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(246, 243, 236, .84);
}

.page-news .sync__list {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line-invert);
}

.page-news .sync__list li {
  position: relative;
  padding: 13px 14px 13px 24px;
  font-size: 14.5px;
  line-height: 1.65;
  color: rgba(246, 243, 236, .86);
  border-bottom: 1px solid var(--line-invert);
}

.page-news .sync__list li::before {
  content: "";
  position: absolute;
  left: 6px;
  top: 21px;
  width: 6px;
  height: 6px;
  background: var(--green);
}

.page-news .sync__stamp {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 8px;
  padding: 24px 26px;
  border: 1px solid var(--line-invert-strong);
  background: rgba(43, 210, 255, .09);
  transform: rotate(-2deg);
}

.page-news .sync__stamp-num {
  font-family: var(--font-mono);
  font-size: clamp(48px, 9vw, 78px);
  line-height: 1;
  color: var(--blue);
}

.page-news .sync__stamp-label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: rgba(246, 243, 236, .74);
}

/* ---------- 投稿与合作 ---------- */
.page-news .contribute__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  margin-bottom: clamp(24px, 4vw, 40px);
  background: var(--line-strong);
  border: 1px solid var(--line-strong);
}

.page-news .coop {
  padding: clamp(20px, 3vw, 30px);
  background: var(--warm-white);
  transition: transform var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.page-news .coop:hover {
  background: #FFFFFF;
  transform: translateY(-2px);
}

.page-news .coop__idx {
  display: block;
  margin-bottom: 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--orange-ink);
}

.page-news .coop__title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: 20px;
  line-height: 1.35;
  color: var(--charcoal);
}

.page-news .coop__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--graphite);
}

.page-news .contribute__foot {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
  align-items: center;
  padding-top: 22px;
  border-top: 1px solid var(--line-strong);
}

.page-news .contribute__note {
  margin: 0;
  max-width: 62ch;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--graphite);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-news .sync__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-news .sync__list li:nth-child(odd) {
    border-right: 1px solid var(--line-invert);
  }

  .page-news .contribute__foot {
    grid-template-columns: minmax(0, 1fr) auto;
  }
}

@media (min-width: 720px) {
  .page-news .news-hero__ticker {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-news .tick,
  .page-news .tick:nth-child(2n) {
    padding-left: 16px;
    border-left: 1px solid var(--line-invert);
  }

  .page-news .tick:first-child {
    padding-left: 0;
    border-left: 0;
  }
}

@media (min-width: 900px) {
  .page-news .news-hero__grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr);
  }

  .page-news .news-hero__media {
    transform: rotate(var(--news-skew));
  }

  .page-news .news-hero__title span {
    transform: translateX(32px);
  }

  .page-news .series__head {
    grid-template-columns: minmax(0, 1fr) minmax(0, 300px);
  }

  .page-news .series__media {
    transform: translateY(-6px) rotate(1.4deg);
  }

  .page-news .sync__grid {
    grid-template-columns: minmax(0, 1fr) 260px;
  }

  .page-news .contribute__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 1080px) {
  .page-news .post {
    grid-template-columns: 66px minmax(0, 1fr);
    gap: 20px;
    padding: 22px 0;
  }

  .page-news .post-list--notes .post--note {
    grid-template-columns: 66px minmax(0, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news *,
  .page-news *::before,
  .page-news *::after {
    transition: none !important;
    animation: none !important;
  }

  .page-news .series__media,
  .page-news .sync__stamp {
    transform: none;
  }
}