.page-news {
  background: var(--ink);
  color: var(--paper);
}

.page-news .shell {
  width: 100%;
  max-width: var(--shell);
  margin-inline: auto;
  padding-inline: var(--pad);
}

.page-news img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* 面包屑 */
.page-news .crumb {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  margin: 0 0 clamp(22px, 4vw, 38px);
  padding: 0;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--muted);
}

.page-news .crumb li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--line);
}

.page-news .crumb a {
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-news .crumb a:hover {
  color: var(--amber);
  border-bottom-color: var(--amber);
}

.page-news .crumb li[aria-current="page"] {
  color: var(--paper);
}

/* 页首 */
.page-news .news-hero {
  padding-block: clamp(30px, 5vw, 58px) clamp(32px, 5vw, 56px);
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(92% 122% at 92% 0%, rgba(229, 161, 60, .13), transparent 62%),
    linear-gradient(180deg, var(--ink-deep) 0%, var(--ink) 100%);
}

.page-news .news-hero__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin: 0 0 clamp(16px, 3vw, 26px);
  font-family: var(--cond);
  font-size: 14px;
  letter-spacing: .08em;
  color: var(--muted);
}

.page-news .news-hero__title {
  margin: 0;
  font-family: var(--serif);
  font-weight: 600;
  font-size: clamp(38px, 7.4vw, 76px);
  line-height: 1.08;
  letter-spacing: .01em;
  color: var(--paper);
}

.page-news .news-hero__sub {
  display: block;
  margin-top: clamp(12px, 2vw, 18px);
  max-width: 32ch;
  font-family: var(--sans);
  font-size: clamp(15px, 2.4vw, 19px);
  font-weight: 400;
  line-height: 1.7;
  letter-spacing: .03em;
  color: var(--muted);
}

.page-news .news-hero__lead {
  max-width: 700px;
  margin: clamp(22px, 3.5vw, 34px) 0 0;
  font-size: 16px;
  line-height: 1.9;
  color: var(--paper);
  opacity: .86;
}

/* 章节头间距微调 */
.page-news .section-head {
  margin-bottom: clamp(20px, 3.2vw, 32px);
}

/* 01 最近更新 */
.page-news .news-latest {
  padding-block: clamp(40px, 6vw, 76px);
}

.page-news .latest-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-news .latest-item {
  display: grid;
  gap: 10px;
  padding-block: clamp(24px, 3.4vw, 36px);
  border-bottom: 1px solid var(--line);
}

.page-news .latest-item__time {
  margin: 0;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--amber);
}

.page-news .latest-item__title {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(21px, 3.6vw, 30px);
  font-weight: 600;
  line-height: 1.42;
  color: var(--paper);
}

.page-news .latest-item__desc {
  margin: 0;
  max-width: 680px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--muted);
}

/* 02 专题系列 */
.page-news .news-topics {
  padding-block: 0 clamp(40px, 6vw, 76px);
}

.page-news .news-band {
  margin: 0 0 clamp(26px, 4vw, 44px);
}

.page-news .topics {
  display: grid;
}

.page-news .topic {
  display: grid;
  gap: 22px;
  padding-block: clamp(26px, 3.6vw, 40px);
  border-top: 1px solid var(--line);
}

.page-news .topic:last-child {
  border-bottom: 1px solid var(--line);
}

.page-news .topic__num {
  margin: 0;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--muted);
}

.page-news .topic__title {
  margin: 10px 0 0;
  padding-top: 14px;
  border-top: 3px solid var(--line);
  font-family: var(--serif);
  font-size: clamp(22px, 3.4vw, 30px);
  font-weight: 600;
  line-height: 1.3;
  color: var(--paper);
}

.page-news .topic--amber .topic__title {
  border-top-color: var(--amber);
}

.page-news .topic--celadon .topic__title {
  border-top-color: var(--celadon);
}

.page-news .topic--cyan .topic__title {
  border-top-color: var(--cyan);
}

.page-news .topic__desc {
  margin: 16px 0 0;
  max-width: 620px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--muted);
}

.page-news .topic__points {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  gap: 9px;
  max-width: 620px;
}

.page-news .topic__points li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--paper);
  opacity: .84;
}

.page-news .topic__points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .68em;
  width: 8px;
  height: 1px;
  background: currentColor;
  opacity: .55;
}

.page-news .topic--amber .topic__points li::before {
  background: var(--amber);
  opacity: .9;
}

.page-news .topic--celadon .topic__points li::before {
  background: var(--celadon);
  opacity: .9;
}

.page-news .topic--cyan .topic__points li::before {
  background: var(--cyan);
  opacity: .9;
}

.page-news .topic__more {
  margin-top: 22px;
  justify-self: start;
}

.page-news .topic__figure {
  margin: 0;
}

/* 03 全部条目 */
.page-news .news-posts {
  padding-block: clamp(38px, 6vw, 72px) clamp(20px, 3vw, 34px);
  border-top: 1px solid var(--line);
}

.page-news .news-posts__banner {
  margin: 0 0 clamp(24px, 4vw, 40px);
}

.page-news .filter-set {
  position: relative;
}

.page-news .nf-radio {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-news .nf-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding-bottom: clamp(16px, 2.6vw, 24px);
}

.page-news .nf-bar__label {
  font-family: var(--cond);
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--muted);
  margin-right: 4px;
}

.page-news .nf-chip {
  display: inline-flex;
  align-items: center;
  padding: 7px 14px;
  border: 1px solid var(--line);
  border-radius: 2px;
  font-family: var(--cond);
  font-size: 14px;
  letter-spacing: .06em;
  color: var(--muted);
  cursor: pointer;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-news .nf-chip:hover {
  color: var(--paper);
  border-color: var(--paper);
}

.page-news:has(#nf-all:checked) .nf-chip[for="nf-all"],
.page-news:has(#nf-version:checked) .nf-chip[for="nf-version"] {
  background: var(--amber);
  border-color: var(--amber);
  color: var(--ink);
}

.page-news:has(#nf-archive:checked) .nf-chip[for="nf-archive"] {
  background: var(--celadon);
  border-color: var(--celadon);
  color: var(--ink);
}

.page-news:has(#nf-channel:checked) .nf-chip[for="nf-channel"] {
  background: var(--cyan);
  border-color: var(--cyan);
  color: var(--ink);
}

.page-news #nf-version:checked ~ .post-list > .post-row:not([data-topic="version"]),
.page-news #nf-archive:checked ~ .post-list > .post-row:not([data-topic="archive"]),
.page-news #nf-channel:checked ~ .post-list > .post-row:not([data-topic="channel"]) {
  display: none;
}

.page-news .post-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-news .post-row {
  display: grid;
  gap: 6px 28px;
  padding: 20px 12px;
  border-bottom: 1px solid var(--line);
  border-left: 2px solid transparent;
  transition: transform var(--dur) var(--ease), border-left-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-news .post-row:hover {
  transform: translateX(4px);
  border-left-color: var(--amber);
  background: rgba(244, 239, 228, .035);
}

.page-news .post-row__time {
  margin: 0;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--muted);
}

.page-news .post-row__title {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(17px, 2.6vw, 21px);
  font-weight: 600;
  line-height: 1.45;
  color: var(--paper);
}

.page-news .post-row__desc {
  margin: 6px 0 0;
  max-width: 640px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

.page-news .post-row__link {
  justify-self: start;
  align-self: center;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--cond);
  font-size: 14px;
  letter-spacing: .08em;
  color: var(--amber);
  text-decoration: none;
  white-space: nowrap;
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-news .post-row__link::after {
  content: "→";
  font-size: 13px;
}

.page-news .post-row__link:hover {
  border-bottom-color: var(--amber);
}

/* 04 回访 */
.page-news .news-return {
  padding-block: clamp(36px, 6vw, 76px) clamp(56px, 8vw, 110px);
}

.page-news .return-panel {
  padding: clamp(24px, 4vw, 48px);
  border: 1px solid var(--line);
  border-left: 3px solid var(--amber);
  border-radius: 2px;
  background: linear-gradient(152deg, var(--panel) 0%, var(--ink-deep) 100%);
  box-shadow: 0 18px 44px rgba(0, 0, 0, .28);
}

.page-news .return-rhythm {
  list-style: none;
  margin: clamp(18px, 3vw, 28px) 0 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-news .return-rhythm li {
  display: grid;
  gap: 6px;
  padding-block: 14px;
  border-top: 1px solid var(--line);
}

.page-news .return-rhythm__when {
  font-family: var(--cond);
  font-size: 14px;
  letter-spacing: .09em;
  color: var(--amber);
}

.page-news .return-rhythm__what {
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
}

.page-news .return-note {
  max-width: 700px;
  margin: clamp(20px, 3vw, 28px) 0 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--paper);
  opacity: .85;
}

.page-news .return-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(22px, 3vw, 30px);
}

/* 响应式 */
@media (min-width: 760px) {
  .page-news .return-rhythm {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0 28px;
  }
}

@media (min-width: 820px) {
  .page-news .latest-item {
    grid-template-columns: 200px minmax(0, 1fr);
    column-gap: 36px;
    align-items: start;
  }

  .page-news .latest-item__time {
    grid-column: 1;
    grid-row: 1;
    padding-top: 9px;
  }

  .page-news .latest-item__title {
    grid-column: 2;
    grid-row: 1;
  }

  .page-news .latest-item__desc {
    grid-column: 2;
    grid-row: 2;
  }

  .page-news .post-row {
    grid-template-columns: 178px minmax(0, 1fr) auto;
    align-items: start;
  }

  .page-news .post-row__time {
    padding-top: 3px;
  }
}

@media (min-width: 900px) {
  .page-news .topic {
    grid-template-columns: minmax(0, 1fr) 300px;
    column-gap: clamp(28px, 4vw, 56px);
    align-items: start;
  }

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

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

@media (prefers-reduced-motion: reduce) {
  .page-news .post-row,
  .page-news .nf-chip,
  .page-news .post-row__link,
  .page-news .crumb a {
    transition: none;
  }

  .page-news .post-row:hover {
    transform: none;
  }
}