.page-news {
  --news-pad: clamp(18px, 4vw, 40px);
  --news-gap: clamp(22px, 4vw, 40px);
  --news-radius: 3px;
  background: var(--paper-100);
  color: var(--brown-900);
  font-family: var(--font-body);
  padding-inline: clamp(14px, 3.5vw, 28px);
  padding-bottom: clamp(48px, 8vw, 96px);
  overflow-x: hidden;
}

.page-news .container {
  max-width: 1180px;
  margin-inline: auto;
}

.page-news .breadcrumb {
  margin-block: clamp(18px, 3vw, 28px) clamp(14px, 2.4vw, 22px);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
}

/* ---------- 刊头 ---------- */
.page-news .masthead {
  position: relative;
  overflow: hidden;
  background-color: var(--ink-950);
  background-image:
    radial-gradient(circle at 88% 8%, rgba(183, 123, 63, 0.34), transparent 46%),
    repeating-linear-gradient(90deg, rgba(252, 250, 244, 0.06) 0 1px, transparent 1px 92px);
  color: var(--mist-000);
  padding: var(--news-pad);
  border-radius: var(--news-radius);
}

.page-news .masthead::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--brass-500), rgba(183, 123, 63, 0) 72%);
}

.page-news .masthead-grid {
  display: grid;
  gap: var(--news-gap);
  align-items: end;
}

.page-news .masthead-eyebrow {
  color: var(--brass-300);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  margin: 0 0 14px;
}

.page-news .masthead-title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(46px, 11vw, 100px);
  line-height: 0.94;
  letter-spacing: -0.035em;
  margin: 0 0 18px;
  color: var(--mist-000);
}

.page-news .masthead-lead {
  margin: 0;
  max-width: 56ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.8;
  color: var(--mist-text);
}

.page-news .masthead-index {
  display: grid;
  gap: 0;
  margin: 0;
  border-top: 1px solid var(--brass-line);
}

.page-news .index-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding-block: 11px;
  border-bottom: 1px solid var(--line-dark);
}

.page-news .index-row dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: rgba(252, 250, 244, 0.55);
}

.page-news .index-row dd {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 20px;
  letter-spacing: -0.01em;
  color: var(--brass-300);
}

/* ---------- 本期导读 ---------- */
.page-news .lead-story {
  display: grid;
  gap: var(--news-gap);
  margin-top: clamp(30px, 6vw, 68px);
}

.page-news .lead-media {
  margin: 0;
  border-left: 3px solid var(--brass-500);
  background: var(--paper-200);
}

.page-news .lead-media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.page-news .lead-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 14px;
}

.page-news .lead-series {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--ink-text);
  padding-left: 6px;
  border-left: 1px solid var(--brass-line);
  margin-left: 4px;
}

.page-news .lead-title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(28px, 4.4vw, 46px);
  line-height: 1.16;
  letter-spacing: -0.025em;
  margin: 0 0 16px;
  color: var(--ink-950);
}

.page-news .lead-text {
  margin: 0 0 14px;
  max-width: 60ch;
  font-size: 16px;
  line-height: 1.82;
  color: var(--ink-text);
}

.page-news .lead-body .btn {
  margin-top: 8px;
}

/* ---------- 主题带 ---------- */
.page-news .bands {
  margin-top: clamp(38px, 7vw, 84px);
  background: var(--ink-800);
  color: var(--mist-000);
  border-radius: var(--news-radius);
  overflow: hidden;
}

.page-news .bands-visual {
  margin: 0;
  position: relative;
}

.page-news .bands-visual img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 3 / 1;
  object-fit: cover;
  opacity: 0.82;
}

.page-news .bands-visual::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(10, 26, 42, 0.14), rgba(18, 44, 67, 0.94));
}

.page-news .bands-head {
  padding: clamp(20px, 4vw, 34px) var(--news-pad) clamp(14px, 2.4vw, 20px);
}

.page-news .bands-eyebrow {
  color: var(--celadon-200);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin: 0 0 10px;
}

.page-news .bands-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(24px, 3.4vw, 38px);
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--mist-000);
}

.page-news .band-list {
  list-style: none;
  margin: 0;
  padding: 0 var(--news-pad) clamp(20px, 4vw, 34px);
}

.page-news .band {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 14px;
  padding-block: clamp(16px, 2.6vw, 22px);
  border-top: 1px solid var(--line-dark);
  transition: background-color var(--dur) var(--ease);
}

.page-news .band:hover,
.page-news .band:focus-within {
  background: rgba(183, 123, 63, 0.08);
}

.page-news .band-num {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--brass-500);
  padding-top: 4px;
  border-left: 2px solid var(--brass-line);
  padding-left: 8px;
  align-self: start;
}

.page-news .band-title {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(20px, 2.4vw, 26px);
  letter-spacing: -0.015em;
  color: var(--mist-000);
}

.page-news .band-desc {
  margin: 0 0 10px;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--mist-text);
  max-width: 58ch;
}

.page-news .band-link {
  display: inline-block;
  font-size: 14px;
  line-height: 1.6;
  color: var(--brass-300);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  overflow-wrap: anywhere;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-news .band-link:hover,
.page-news .band-link:focus-visible {
  color: var(--mist-000);
  border-bottom-color: var(--brass-300);
}

/* ---------- 最新条目 ---------- */
.page-news .entries {
  margin-top: clamp(38px, 7vw, 84px);
}

.page-news .entries-head {
  max-width: 62ch;
  margin-bottom: clamp(20px, 3.4vw, 32px);
}

.page-news .entries-head .eyebrow,
.page-news .series-head .eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--brass-500);
  margin: 0 0 10px;
}

.page-news .entries-title,
.page-news .series-title,
.page-news .cadence-title {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(26px, 4vw, 44px);
  line-height: 1.14;
  letter-spacing: -0.028em;
  color: var(--ink-950);
}

.page-news .entries-lead {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--ink-text);
}

.page-news .entries-grid {
  display: grid;
  gap: var(--news-gap);
}

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

.page-news .entry {
  position: relative;
  display: grid;
  gap: 8px;
  padding-block: clamp(16px, 2.6vw, 24px);
  padding-inline: 0 6px;
  border-bottom: 1px solid var(--line-soft);
  scroll-margin-top: 92px;
  transition: background-color var(--dur) var(--ease), padding-left var(--dur) var(--ease);
}

.page-news .entry::before {
  content: "";
  position: absolute;
  left: 0;
  top: 14px;
  bottom: 14px;
  width: 2px;
  background: var(--brass-500);
  transform: scaleY(0);
  transform-origin: top;
  transition: transform var(--dur) var(--ease);
}

.page-news .entry:hover,
.page-news .entry:focus-within {
  background: rgba(229, 220, 201, 0.42);
  padding-left: 12px;
}

.page-news .entry:hover::before,
.page-news .entry:focus-within::before {
  transform: scaleY(1);
}

.page-news .entry-rail {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.05em;
}

.page-news .entry-no {
  color: var(--brass-500);
  font-weight: 500;
}

.page-news .entry-cat {
  padding: 2px 8px;
  border-radius: 999px;
  background: var(--paper-200);
  color: var(--ink-800);
}

.page-news .entry-cat--version {
  background: rgba(183, 123, 63, 0.16);
  color: #7a5024;
}

.page-news .entry-cat--guide {
  background: rgba(95, 142, 124, 0.18);
  color: #3d6454;
}

.page-news .entry-cat--story {
  background: rgba(18, 44, 67, 0.12);
  color: var(--ink-800);
}

.page-news .entry-cat--update {
  background: rgba(174, 200, 187, 0.42);
  color: #3d6454;
}

.page-news .entry-time {
  color: var(--ink-text);
  margin-left: auto;
}

.page-news .entry-title {
  margin: 0 0 6px;
  font-family: var(--font-body);
  font-weight: 500;
  font-size: clamp(17px, 2.1vw, 20px);
  line-height: 1.5;
  color: var(--ink-950);
  background-image: linear-gradient(var(--brass-500), var(--brass-500));
  background-repeat: no-repeat;
  background-position: 0 100%;
  background-size: 0 1px;
  display: inline;
  transition: background-size var(--dur) var(--ease);
  overflow-wrap: anywhere;
}

.page-news .entry:hover .entry-title,
.page-news .entry:focus-within .entry-title {
  background-size: 100% 1px;
}

.page-news .entry-sum {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--ink-text);
  max-width: 64ch;
}

.page-news .entries-aside {
  display: grid;
  gap: 16px;
  align-content: start;
}

.page-news .aside-media {
  margin: 0;
  background: var(--paper-200);
  border-top: 3px solid var(--ink-800);
}

.page-news .aside-media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.page-news .aside-note {
  background: var(--mist-000);
  border: 1px solid var(--line-soft);
  border-left: 3px solid var(--celadon-500);
  padding: clamp(16px, 2.6vw, 22px);
}

.page-news .aside-note-title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 19px;
  letter-spacing: -0.01em;
  color: var(--ink-950);
}

.page-news .aside-note-text {
  margin: 0 0 14px;
  font-size: 14px;
  line-height: 1.76;
  color: var(--ink-text);
}

/* ---------- 系列专栏 ---------- */
.page-news .series {
  margin-top: clamp(38px, 7vw, 84px);
}

.page-news .series-head {
  max-width: 60ch;
  margin-bottom: clamp(18px, 3vw, 28px);
}

.page-news .series-grid {
  display: grid;
  gap: 16px;
}

.page-news .series-card {
  background: var(--paper-200);
  border-radius: var(--news-radius);
  padding: clamp(18px, 3vw, 26px);
  border-top: 2px solid var(--ink-800);
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.page-news .series-num {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--brass-500);
}

.page-news .series-name {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(22px, 2.8vw, 28px);
  letter-spacing: -0.02em;
  color: var(--ink-950);
}

.page-news .series-meta {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  line-height: 1.7;
  letter-spacing: 0.02em;
  color: #6c5f4c;
}

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

.page-news .series-more {
  border-top: 1px dashed var(--brass-line);
  padding-top: 10px;
  margin-top: auto;
}

.page-news .series-more summary {
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--ink-800);
  list-style: none;
  display: flex;
  align-items: center;
  gap: 8px;
  padding-block: 4px;
}

.page-news .series-more summary::-webkit-details-marker {
  display: none;
}

.page-news .series-more summary::before {
  content: "+";
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  border: 1px solid var(--brass-500);
  color: var(--brass-500);
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1;
}

.page-news .series-more[open] summary::before {
  content: "−";
  background: var(--brass-500);
  color: var(--mist-000);
}

.page-news .series-more summary:focus-visible {
  outline: 2px solid var(--brass-500);
  outline-offset: 3px;
}

.page-news .series-list {
  list-style: none;
  margin: 10px 0 0;
  padding: 0;
}

.page-news .series-list li {
  font-size: 13.5px;
  line-height: 1.7;
  padding-block: 7px;
  border-bottom: 1px solid rgba(30, 26, 22, 0.1);
  color: var(--ink-800);
  overflow-wrap: anywhere;
}

.page-news .series-list li:last-child {
  border-bottom: 0;
}

.page-news .series-media {
  margin: 16px 0 0;
  background: var(--paper-200);
}

.page-news .series-media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 21 / 7;
  object-fit: cover;
  filter: saturate(0.86);
}

/* ---------- 更新节奏 ---------- */
.page-news .cadence {
  margin-top: clamp(38px, 7vw, 84px);
  background: var(--ink-950);
  background-image: repeating-linear-gradient(0deg, rgba(252, 250, 244, 0.05) 0 1px, transparent 1px 72px);
  color: var(--mist-000);
  border-radius: var(--news-radius);
  padding: clamp(24px, 4.5vw, 48px) var(--news-pad);
  display: grid;
  gap: clamp(22px, 4vw, 44px);
}

.page-news .cadence-figures {
  display: grid;
  gap: 16px;
  align-content: start;
}

.page-news .figure-row {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding-left: 12px;
  border-left: 2px solid var(--brass-500);
}

.page-news .figure-num {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(40px, 7vw, 62px);
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--brass-300);
}

.page-news .figure-num--alt {
  color: var(--celadon-200);
}

.page-news .figure-label {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: rgba(252, 250, 244, 0.6);
}

.page-news .cadence-title {
  color: var(--mist-000);
}

.page-news .cadence-text {
  margin: 0 0 14px;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.84;
  color: var(--mist-text);
}

.page-news .cadence-text a {
  color: var(--brass-300);
  text-decoration: none;
  border-bottom: 1px solid var(--brass-line);
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-news .cadence-text a:hover,
.page-news .cadence-text a:focus-visible {
  color: var(--mist-000);
  border-bottom-color: var(--brass-300);
}

.page-news .cadence-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 4px;
}

.page-news .cadence-actions .btn {
  border-color: var(--brass-line);
  color: var(--mist-000);
}

.page-news .cadence-actions .btn:hover,
.page-news .cadence-actions .btn:focus-visible {
  border-color: var(--brass-300);
  color: var(--brass-300);
}

/* ---------- 桌面端 ---------- */
@media (min-width: 720px) {
  .page-news .masthead-grid {
    grid-template-columns: minmax(0, 1.65fr) minmax(210px, 0.7fr);
    gap: clamp(28px, 5vw, 64px);
  }

  .page-news .lead-story {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-news .bands-visual img {
    aspect-ratio: 16 / 5;
  }

  .page-news .band {
    grid-template-columns: 66px minmax(0, 1fr);
    gap: 22px;
  }

  .page-news .entries-grid {
    grid-template-columns: minmax(0, 1.62fr) minmax(240px, 0.78fr);
    align-items: start;
  }

  .page-news .entries-aside {
    position: sticky;
    top: 28px;
  }

  .page-news .entry {
    grid-template-columns: 132px minmax(0, 1fr);
    gap: 20px;
    align-items: start;
  }

  .page-news .entry-rail {
    flex-direction: column;
    align-items: flex-start;
    gap: 5px;
  }

  .page-news .entry-time {
    margin-left: 0;
  }

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

  .page-news .cadence {
    grid-template-columns: minmax(180px, 0.55fr) minmax(0, 1.6fr);
    align-items: start;
  }

  .page-news .cadence-figures {
    gap: 22px;
  }
}

@media (min-width: 1080px) {
  .page-news .masthead {
    padding: clamp(40px, 5vw, 64px);
  }

  .page-news .band-list {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: clamp(24px, 4vw, 56px);
  }

  .page-news .band:nth-child(2) {
    border-top: 1px solid var(--line-dark);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .entry,
  .page-news .entry-title,
  .page-news .entry::before,
  .page-news .band,
  .page-news .band-link {
    transition: none;
  }
}