.page-news {
  --news-line: rgba(246, 242, 231, .13);
  --news-line-soft: rgba(246, 242, 231, .07);
  --news-hover: rgba(255, 106, 24, .06);
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-body);
  overflow-x: hidden;
}

.page-news .mono {
  font-family: var(--font-mono);
  letter-spacing: 0;
}

.page-news .section {
  padding: clamp(2.75rem, 6.5vw, 5rem) 0;
}

.page-news .eyebrow {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: .2em;
  color: var(--orange);
}

/* ---------- 栏目刊头 ---------- */

.page-news .column-hero {
  position: relative;
  padding: clamp(2rem, 5vw, 3.5rem) 0 clamp(2rem, 5vw, 3.5rem);
  border-bottom: 1px solid var(--news-line);
  background:
    radial-gradient(120% 90% at 84% 4%, rgba(53, 210, 255, .17), transparent 62%),
    radial-gradient(95% 85% at 4% 100%, rgba(255, 106, 24, .15), transparent 64%),
    var(--ink);
}

.page-news .column-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--orange), var(--blue) 58%, transparent 92%);
}

.page-news .column-hero .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .5rem;
  font-size: var(--fs-12);
  font-family: var(--font-mono);
  color: var(--paper-2);
}

.page-news .column-hero .breadcrumb a {
  color: var(--paper-2);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.page-news .column-hero .breadcrumb a:hover {
  color: var(--blue);
  border-bottom-color: var(--blue);
}

.page-news .column-hero .crumb-sep {
  color: rgba(246, 242, 231, .35);
}

.page-news .column-hero__grid {
  display: grid;
  gap: clamp(1.75rem, 4vw, 3rem);
  margin-top: clamp(1.5rem, 3.5vw, 2.5rem);
}

.page-news .column-hero__lead h1 {
  margin: .75rem 0 1rem;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(2.1rem, 7.4vw, 4.15rem);
  line-height: 1.03;
  letter-spacing: -0.022em;
  color: var(--paper);
}

.page-news .column-hero__lead .lede {
  margin: 0;
  max-width: 62ch;
  font-size: var(--fs-16);
  line-height: 1.78;
  color: rgba(246, 242, 231, .8);
}

.page-news .column-hero__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 0;
  background: var(--news-line);
  border: 1px solid var(--news-line);
}

.page-news .column-hero__stats > div {
  padding: .85rem 1rem;
  background: var(--ink-2);
}

.page-news .column-hero__stats dt {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: .12em;
  color: var(--paper-2);
}

.page-news .column-hero__stats dd {
  margin: .4rem 0 0;
  font-size: var(--fs-20);
  font-weight: 600;
  color: var(--paper);
}

/* ---------- 章节头 ---------- */

.page-news .section-head {
  margin-bottom: clamp(1.5rem, 3.4vw, 2.5rem);
}

.page-news .section-head h2 {
  margin: .55rem 0 0;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(1.6rem, 4.4vw, 2.4rem);
  line-height: 1.08;
  letter-spacing: -0.018em;
  color: var(--paper);
}

.page-news .section-head__note {
  margin: .8rem 0 0;
  max-width: 52ch;
  font-size: var(--fs-14);
  line-height: 1.7;
  color: var(--paper-2);
}

/* ---------- 头条 ---------- */

.page-news .feature-card {
  display: grid;
  gap: clamp(1.15rem, 3vw, 2rem);
  padding: clamp(1rem, 2.4vw, 1.6rem);
  border: 1px solid var(--news-line);
  border-left: 3px solid var(--orange);
  background: linear-gradient(160deg, var(--ink-3) 0%, var(--ink-2) 46%, var(--ink) 100%);
  transition: border-color .22s var(--ease), transform .22s var(--ease);
}

.page-news .feature-card:hover {
  border-color: var(--orange);
  transform: translateY(-2px);
}

.page-news .feature-card__media {
  margin: 0;
  overflow: hidden;
  background: var(--ink-3);
}

.page-news .feature-card__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-news .feature-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
}

.page-news .feature-card__title {
  margin: .9rem 0 .75rem;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(1.5rem, 4vw, 2.15rem);
  line-height: 1.12;
  letter-spacing: -0.015em;
  color: var(--paper);
}

.page-news .feature-card__body p {
  margin: 0;
  font-size: var(--fs-16);
  line-height: 1.78;
  color: rgba(246, 242, 231, .8);
}

.page-news .feature-card__meta {
  margin-top: 1.1rem !important;
  display: flex;
  align-items: center;
  gap: .55rem;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  color: var(--paper-2);
}

.page-news .feature-card__meta .dot {
  color: rgba(246, 242, 231, .35);
}

/* ---------- 四个系列 ---------- */

.page-news .series-strip {
  display: grid;
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  background: var(--news-line);
  border: 1px solid var(--news-line);
}

.page-news .series-strip__item {
  position: relative;
  padding: clamp(1.15rem, 2.6vw, 1.6rem);
  background: var(--ink-2);
  transition: background .2s var(--ease), box-shadow .2s var(--ease);
}

.page-news .series-strip__item:hover {
  background: var(--ink-3);
  box-shadow: inset 0 0 0 1px rgba(255, 106, 24, .5);
}

.page-news .series-strip__no {
  display: block;
  font-size: var(--fs-12);
  letter-spacing: .16em;
  color: var(--orange);
}

.page-news .series-strip__item:nth-child(2) .series-strip__no {
  color: var(--blue);
}

.page-news .series-strip__item h3 {
  margin: .5rem 0 .6rem;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: var(--fs-20);
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-news .series-strip__item p {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.72;
  color: rgba(246, 242, 231, .74);
}

.page-news .series-strip__for {
  margin-top: .85rem !important;
  padding-top: .7rem;
  border-top: 1px solid var(--news-line);
  font-family: var(--font-mono);
  font-size: var(--fs-12) !important;
  color: var(--paper-2) !important;
}

/* ---------- 文章列表 ---------- */

.page-news .archive-layout {
  display: grid;
  gap: clamp(1.5rem, 4vw, 2.5rem);
}

.page-news .archive-side {
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--news-line);
}

.page-news .archive-side__label {
  margin: 0 0 .7rem;
  font-size: var(--fs-12);
  letter-spacing: .16em;
  color: var(--paper-2);
}

.page-news .archive-tabs {
  display: flex;
  gap: .3rem;
  overflow-x: auto;
  padding-bottom: .35rem;
  -webkit-overflow-scrolling: touch;
}

.page-news .archive-tabs .tab {
  flex: 0 0 auto;
  padding: .55rem .8rem;
  border: 0;
  border-bottom: 2px solid transparent;
  background: transparent;
  color: var(--paper-2);
  font-family: var(--font-head);
  font-size: var(--fs-16);
  font-weight: 600;
  letter-spacing: .01em;
  white-space: nowrap;
  cursor: pointer;
  transition: color .18s var(--ease), border-color .18s var(--ease);
}

.page-news .archive-tabs .tab:hover {
  color: var(--paper);
}

.page-news .archive-tabs .tab[aria-selected="true"] {
  color: var(--paper);
  border-bottom-color: var(--orange);
}

.page-news .archive-tabs .tab:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 2px;
}

.page-news .archive-side__update {
  display: flex;
  align-items: center;
  gap: .5rem;
  margin: .9rem 0 0;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  color: var(--green);
}

.page-news .post {
  display: grid;
  gap: .65rem;
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--news-line-soft);
  transition: background .2s var(--ease);
}

.page-news .post:first-child {
  padding-top: .5rem;
}

.page-news .post:hover {
  background: var(--news-hover);
}

.page-news .post__index {
  font-size: var(--fs-12);
  letter-spacing: .14em;
  color: rgba(246, 242, 231, .38);
}

.page-news .post__title {
  margin: 0 0 .55rem;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(1.1rem, 2.6vw, 1.35rem);
  line-height: 1.24;
  letter-spacing: -0.012em;
  color: var(--paper);
}

.page-news .post__excerpt {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.75;
  color: rgba(246, 242, 231, .74);
}

.page-news .post__media {
  margin: 0 0 .9rem;
  overflow: hidden;
  background: var(--ink-3);
}

.page-news .post__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-news .post__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .6rem;
}

.page-news .post__time {
  font-size: var(--fs-12);
  color: var(--paper-2);
}

/* ---------- 更新节奏 ---------- */

.page-news .column-rhythm {
  border-top: 1px solid var(--news-line);
  background: linear-gradient(180deg, var(--ink) 0%, var(--ink-2) 100%);
}

.page-news .rhythm-grid {
  display: grid;
  gap: clamp(1.75rem, 4.5vw, 3rem);
}

.page-news .rhythm-grid__lead h2 {
  margin: .55rem 0 1rem;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(1.6rem, 4.4vw, 2.4rem);
  line-height: 1.08;
  letter-spacing: -0.018em;
  color: var(--paper);
}

.page-news .rhythm-grid__lead p {
  margin: 0 0 1rem;
  max-width: 54ch;
  font-size: var(--fs-16);
  line-height: 1.78;
  color: rgba(246, 242, 231, .78);
}

.page-news .rhythm-links {
  display: flex;
  flex-wrap: wrap;
  gap: .7rem;
}

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

.page-news .rhythm-steps__item {
  display: grid;
  gap: .4rem .9rem;
  padding: 1.1rem 0;
  border-bottom: 1px solid var(--news-line);
}

.page-news .rhythm-steps__time {
  font-size: var(--fs-14);
  font-weight: 600;
  color: var(--blue);
}

.page-news .rhythm-steps__body h3 {
  margin: 0 0 .4rem;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: var(--fs-20);
  color: var(--paper);
}

.page-news .rhythm-steps__body p {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.72;
  color: rgba(246, 242, 231, .74);
}

/* ---------- 署名与来信 ---------- */

.page-news .column-masthead {
  background: var(--paper);
  color: var(--deep);
}

.page-news .column-masthead .eyebrow {
  color: var(--orange);
}

.page-news .column-masthead h2 {
  margin: .55rem 0 1rem;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(1.6rem, 4.4vw, 2.4rem);
  line-height: 1.08;
  letter-spacing: -0.018em;
  color: var(--deep);
}

.page-news .masthead-grid {
  display: grid;
  gap: clamp(1.75rem, 4.5vw, 3rem);
}

.page-news .masthead-grid__lead p {
  margin: 0 0 1rem;
  max-width: 58ch;
  font-size: var(--fs-16);
  line-height: 1.78;
  color: rgba(11, 27, 22, .82);
}

.page-news .masthead-mail {
  margin: 0 0 1.25rem;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line-dark);
}

.page-news .masthead-mail li {
  display: grid;
  gap: .25rem;
  padding: .85rem 0;
  border-bottom: 1px solid var(--line-dark);
}

.page-news .masthead-mail__label {
  font-size: var(--fs-12);
  letter-spacing: .14em;
  color: rgba(11, 27, 22, .58);
}

.page-news .masthead-mail__value {
  font-size: var(--fs-16);
  font-weight: 600;
  color: var(--deep);
  word-break: break-all;
}

.page-news .masthead-actions {
  display: flex;
  flex-wrap: wrap;
  gap: .7rem;
  margin: 0;
}

.page-news .column-masthead .btn--ghost {
  color: var(--deep);
  border-color: rgba(11, 27, 22, .32);
}

.page-news .column-masthead .btn--ghost:hover {
  border-color: var(--orange);
  color: var(--orange);
}

.page-news .btn:focus-visible,
.page-news .column-hero .breadcrumb a:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 2px;
}

/* ---------- 响应式 ---------- */

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

  .page-news .post {
    grid-template-columns: 2.75rem minmax(0, 1fr) 9.5rem;
    gap: 0 1.25rem;
    align-items: start;
  }

  .page-news .post__index {
    padding-top: .3rem;
  }

  .page-news .post__meta {
    flex-direction: column;
    align-items: flex-end;
    gap: .45rem;
    padding-top: .25rem;
    text-align: right;
  }

  .page-news .rhythm-steps__item {
    grid-template-columns: 5.5rem minmax(0, 1fr);
    align-items: start;
  }
}

@media (min-width: 900px) {
  .page-news .column-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: end;
  }

  .page-news .feature-card {
    grid-template-columns: minmax(0, 6fr) minmax(0, 6fr);
    align-items: center;
  }

  .page-news .archive-layout {
    grid-template-columns: minmax(0, 8fr) minmax(216px, 3fr);
    align-items: start;
  }

  .page-news .archive-main {
    order: 1;
  }

  .page-news .archive-side {
    order: 2;
    position: sticky;
    top: 6rem;
    padding-bottom: 0;
    border-bottom: 0;
    border-left: 1px solid var(--news-line);
    padding-left: 1.25rem;
  }

  .page-news .archive-tabs {
    flex-direction: column;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-news .archive-tabs .tab {
    text-align: left;
    padding: .6rem 0;
    border-bottom-width: 1px;
  }

  .page-news .archive-tabs .tab[aria-selected="true"] {
    border-bottom-color: transparent;
    border-left: 2px solid var(--orange);
    padding-left: .7rem;
  }

  .page-news .rhythm-grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  }

  .page-news .masthead-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }
}

@media (min-width: 1100px) {
  .page-news .series-strip {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .feature-card,
  .page-news .series-strip__item,
  .page-news .post,
  .page-news .archive-tabs .tab {
    transition: none;
  }

  .page-news .feature-card:hover {
    transform: none;
  }
}