.page-news {
  --news-line: #26375F;
  --news-line-soft: rgba(38, 55, 95, 0.55);
  --news-amber-wash: rgba(255, 138, 61, 0.06);
  --news-violet-soft: rgba(123, 92, 255, 0.55);
  --news-gap: clamp(56px, 9vw, 108px);
  position: relative;
  display: block;
  isolation: isolate;
}

/* ---------- 首屏 ---------- */
.page-news .news-masthead {
  position: relative;
  padding: 0 0 clamp(30px, 5vw, 52px);
  border-bottom: 1px solid var(--news-line);
}

.page-news .news-hero-media {
  position: relative;
  height: clamp(170px, 30vw, 330px);
  overflow: hidden;
  background: var(--ink-night);
}

.page-news .news-hero-img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.65) contrast(1.12) hue-rotate(-6deg) brightness(0.82);
}

.page-news .news-hero-veil {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    repeating-linear-gradient(90deg, rgba(52, 229, 212, 0.13) 0 1px, transparent 1px 92px),
    linear-gradient(180deg, rgba(6, 10, 23, 0.30) 0%, rgba(6, 10, 23, 0.80) 66%, #060A17 100%);
}

.page-news .news-hero-copy {
  position: relative;
  padding-top: clamp(20px, 3.4vw, 36px);
}

.page-news .news-crumb {
  display: flex;
  flex-wrap: wrap;
  gap: 0 6px;
  margin: 0 0 16px;
  padding: 0;
  list-style: none;
  font-family: var(--font-ui);
  font-size: 13px;
  color: var(--muted);
}

.page-news .news-crumb li + li::before {
  content: "/";
  margin-right: 6px;
  color: var(--dim);
}

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

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

.page-news .news-masthead h1 {
  margin: 10px 0 clamp(14px, 2vw, 22px);
  max-width: 16ch;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.4rem, 6vw, 4.4rem);
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-news .news-lead {
  max-width: 64ch;
  margin: 0 0 clamp(20px, 3vw, 30px);
  font-family: var(--font-ui);
  font-size: clamp(15px, 1.3vw, 17px);
  line-height: 1.85;
  color: var(--text-soft);
}

.page-news .news-hero-status {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 24px;
  margin: 0;
  padding: 14px 0 0;
  border-top: 1px solid var(--news-line);
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--muted);
}

.page-news .news-hero-status li {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

/* ---------- 章节骨架 ---------- */
.page-news .news-block {
  position: relative;
  margin-top: var(--news-gap);
  padding-top: clamp(36px, 5vw, 60px);
  border-top: 1px solid var(--news-line);
}

.page-news .news-block-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 18px;
}

.page-news .section-mark {
  display: block;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(2.2rem, 6vw, 3.8rem);
  line-height: 0.9;
  letter-spacing: -0.05em;
  color: var(--dim);
  transition: color 420ms ease, text-shadow 420ms ease;
}

.page-news .news-block.is-current .section-mark {
  color: var(--cyan);
  text-shadow: 0 0 18px rgba(52, 229, 212, 0.45);
}

.page-news .news-block--errata.is-current .section-mark {
  color: var(--amber);
  text-shadow: 0 0 18px rgba(255, 138, 61, 0.45);
}

.page-news .news-block h2 {
  margin: 0;
  max-width: 24ch;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.5rem, 3vw, 2.1rem);
  line-height: 1.24;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-news .section-rule {
  display: block;
  height: 1px;
  margin: clamp(16px, 2.4vw, 24px) 0 clamp(26px, 4vw, 44px);
  background: linear-gradient(90deg, var(--cyan) 0%, rgba(52, 229, 212, 0.22) 22%, var(--news-line) 62%, transparent 100%);
}

.page-news .news-block--errata .section-rule {
  background: linear-gradient(90deg, var(--amber) 0%, rgba(255, 138, 61, 0.24) 22%, var(--news-line) 62%, transparent 100%);
}

/* ---------- 01 概览 ---------- */
.page-news .overview-grid {
  display: grid;
  gap: clamp(28px, 4vw, 48px);
  grid-template-columns: 1fr;
}

.page-news .overview-stats {
  display: grid;
  gap: 0;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--news-line-soft);
}

.page-news .ov-stat {
  padding: 20px 14px 22px 0;
  border-bottom: 1px solid var(--news-line-soft);
}

.page-news .ov-stat:nth-child(odd) {
  padding-right: 16px;
}

.page-news .ov-stat:nth-child(even) {
  padding-left: 18px;
  border-left: 1px solid var(--news-line-soft);
}

.page-news .ov-stat--alert .numeral {
  color: var(--amber);
  text-shadow: 0 0 12px rgba(255, 138, 61, 0.35);
}

.page-news .ov-key {
  margin: 0 0 8px;
  font-family: var(--font-ui);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: var(--muted);
}

.page-news .ov-val {
  display: flex;
  align-items: baseline;
  gap: 6px;
  margin: 0 0 8px;
}

.page-news .ov-val .numeral {
  font-size: clamp(2rem, 6vw, 3.2rem);
  color: var(--paper);
}

.page-news .ov-unit {
  font-family: var(--font-ui);
  font-size: 13px;
  color: var(--dim);
}

.page-news .ov-note {
  margin: 0;
  font-size: 13px;
  line-height: 1.65;
  color: var(--muted);
}

.page-news .overview-visual {
  margin: 0;
  position: relative;
  padding: clamp(16px, 2.5vw, 26px);
  border: 1px solid var(--news-line);
  border-radius: var(--radius);
  background:
    radial-gradient(circle at 30% 20%, rgba(52, 229, 212, 0.10), transparent 62%),
    rgba(26, 36, 64, 0.35);
  backdrop-filter: blur(6px);
}

.page-news .overview-visual img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border-radius: var(--radius-sm);
  filter: saturate(0.75) contrast(1.08) brightness(0.9);
}

.page-news .overview-visual figcaption {
  margin-top: 12px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--muted);
}

/* ---------- 02 更新流 ---------- */
.page-news .stream-banner {
  margin: 0 0 clamp(20px, 3vw, 30px);
  position: relative;
}

.page-news .stream-banner img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-radius: var(--radius);
  border: 1px solid var(--news-line);
  filter: saturate(0.7) contrast(1.1) brightness(0.86);
}

.page-news .stream-banner figcaption {
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--muted);
}

.page-news .stream-hint {
  margin: 0 0 16px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--dim);
}

.page-news .chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 clamp(24px, 3.5vw, 36px);
}

.page-news .chip {
  cursor: pointer;
  background: transparent;
}

.page-news .chip-count {
  margin-left: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0;
  color: var(--dim);
}

.page-news .chip.is-active .chip-count,
.page-news .chip[aria-pressed="true"] .chip-count {
  color: var(--cyan);
}

.page-news .stream-list {
  position: relative;
  margin: 0;
  padding: 0 0 0 22px;
  border-left: 1px solid var(--news-line);
  list-style: none;
}

.page-news .stream-item {
  position: relative;
  padding: 22px 0 26px;
  border-bottom: 1px solid var(--news-line-soft);
}

.page-news .stream-item:first-child {
  padding-top: 6px;
}

.page-news .stream-item:last-child {
  border-bottom: 0;
  padding-bottom: 6px;
}

.page-news .stream-node {
  position: absolute;
  left: -28px;
  top: 30px;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--dim);
  box-shadow: 0 0 0 3px var(--ink-void);
  transition: box-shadow var(--t-fast) ease;
}

.page-news .stream-item:first-child .stream-node {
  top: 14px;
}

.page-news .stream-item--model .stream-node { background: var(--cyan); }
.page-news .stream-item--board .stream-node { background: var(--violet); }
.page-news .stream-item--replay .stream-node { background: var(--ok); }
.page-news .stream-item--schedule .stream-node { background: var(--muted); }
.page-news .stream-item--errata .stream-node { background: var(--amber); }

.page-news .stream-item:hover .stream-node {
  box-shadow: 0 0 0 3px var(--ink-void), 0 0 12px 2px rgba(52, 229, 212, 0.4);
}

.page-news .stream-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
  margin: 0 0 10px;
}

.page-news .tag {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 999px;
  font-family: var(--font-ui);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  border: 1px solid currentColor;
  line-height: 1.5;
}

.page-news .tag--model { color: var(--cyan); background: rgba(52, 229, 212, 0.07); }
.page-news .tag--board { color: var(--violet); background: rgba(123, 92, 255, 0.08); }
.page-news .tag--replay { color: var(--ok); background: rgba(62, 213, 152, 0.07); }
.page-news .tag--schedule { color: var(--muted); background: rgba(147, 162, 196, 0.07); }
.page-news .tag--errata { color: var(--amber); background: rgba(255, 138, 61, 0.08); }

.page-news .stream-time {
  font-family: var(--font-mono);
  font-style: italic;
  font-size: 12px;
  letter-spacing: 0.02em;
  color: var(--dim);
}

.page-news .stream-title {
  margin: 0 0 10px;
  max-width: 40ch;
  font-family: var(--font-ui);
  font-weight: 600;
  font-size: clamp(1.02rem, 1.9vw, 1.2rem);
  line-height: 1.5;
  letter-spacing: -0.005em;
  color: var(--paper);
}

.page-news .stream-summary {
  margin: 0 0 10px;
  max-width: 66ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--text-soft);
}

.page-news .stream-more summary {
  cursor: pointer;
  display: inline-block;
  padding: 4px 0;
  font-family: var(--font-ui);
  font-size: 13px;
  color: var(--cyan);
  border-bottom: 1px dashed rgba(52, 229, 212, 0.42);
  list-style: none;
  transition: color var(--t-fast) ease;
}

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

.page-news .stream-more summary::before {
  content: "+ ";
  font-family: var(--font-mono);
}

.page-news .stream-more[open] summary::before {
  content: "− ";
}

.page-news .stream-more summary:hover {
  color: var(--paper);
}

.page-news .stream-detail {
  margin-top: 12px;
  padding: 16px 18px;
  border-left: 2px solid var(--news-violet-soft);
  background: rgba(26, 36, 64, 0.35);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.page-news .stream-detail p {
  margin: 0;
  max-width: 62ch;
  font-size: 14px;
  line-height: 1.82;
  color: var(--text-soft);
}

.page-news .stream-detail ul {
  margin: 12px 0 0;
  padding-left: 18px;
  max-width: 62ch;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.9;
  color: var(--muted);
}

.page-news .stream-more-link {
  margin: 0;
}

.page-news .stream-more-link a {
  font-family: var(--font-ui);
  font-size: 13px;
  color: var(--amber);
  text-decoration: none;
  border-bottom: 1px dashed rgba(255, 138, 61, 0.45);
}

.page-news .stream-more-link a:hover {
  border-bottom-style: solid;
}

/* ---------- 03 勘误专区 ---------- */
.page-news .news-block--errata {
  position: relative;
  margin-top: var(--news-gap);
  padding-top: clamp(36px, 5vw, 60px);
  padding-bottom: clamp(36px, 5vw, 60px);
  border-top: 1px solid rgba(255, 138, 61, 0.5);
  background:
    linear-gradient(90deg, var(--amber) 0 3px, transparent 3px) left top / 3px 100% no-repeat,
    linear-gradient(180deg, rgba(255, 138, 61, 0.075) 0%, rgba(255, 138, 61, 0.02) 70%, rgba(255, 138, 61, 0.05) 100%);
}

.page-news .errata-texture {
  position: absolute;
  inset: 0;
  margin: 0;
  overflow: hidden;
  pointer-events: none;
  opacity: 0.14;
  mix-blend-mode: screen;
}

.page-news .errata-texture img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.6) contrast(1.2);
}

.page-news .news-block--errata .shell {
  position: relative;
  z-index: 1;
}

.page-news .errata-intro {
  margin: 0 0 clamp(24px, 3.5vw, 38px);
  max-width: 64ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--text-soft);
}

.page-news .errata-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0;
}

.page-news .errata-item {
  padding: 22px 0 25px;
  border-top: 1px solid rgba(255, 138, 61, 0.28);
}

.page-news .errata-item:last-child {
  border-bottom: 1px solid rgba(255, 138, 61, 0.28);
}

.page-news .errata-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 16px;
  margin-bottom: 10px;
}

.page-news .errata-version {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--amber);
}

.page-news .errata-title {
  margin: 0 0 10px;
  max-width: 40ch;
  font-family: var(--font-ui);
  font-weight: 600;
  font-size: clamp(1.02rem, 1.9vw, 1.18rem);
  line-height: 1.5;
  color: var(--paper);
}

.page-news .errata-body {
  margin: 0 0 12px;
  max-width: 66ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--text-soft);
}

.page-news .errata-foot {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 04 归档 ---------- */
.page-news .archive-intro {
  margin: 0 0 clamp(20px, 3vw, 30px);
  max-width: 64ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--text-soft);
}

.page-news .archive {
  border-top: 1px solid var(--news-line-soft);
}

.page-news .archive:last-of-type {
  border-bottom: 1px solid var(--news-line-soft);
}

.page-news .archive-summary {
  cursor: pointer;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 18px;
  padding: 18px 0;
  list-style: none;
  font-family: var(--font-ui);
  font-weight: 600;
  font-size: clamp(1rem, 1.8vw, 1.12rem);
  color: var(--paper);
  transition: color var(--t-fast) ease;
}

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

.page-news .archive-summary::after {
  content: "＋";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--dim);
  transition: color var(--t-fast) ease;
}

.page-news .archive[open] .archive-summary::after {
  content: "－";
  color: var(--cyan);
}

.page-news .archive-summary:hover {
  color: var(--cyan);
}

.page-news .archive-name {
  letter-spacing: 0.02em;
}

.page-news .archive-count {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 400;
  font-style: italic;
  letter-spacing: 0.02em;
  color: var(--dim);
}

.page-news .archive-list {
  margin: 0 0 12px;
  padding: 0 0 8px 0;
  list-style: none;
  border-left: 1px solid var(--news-line);
  padding-left: 20px;
}

.page-news .archive-list li {
  display: grid;
  gap: 4px;
  padding: 12px 0;
  border-bottom: 1px dashed var(--news-line-soft);
}

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

.page-news .archive-time {
  font-family: var(--font-mono);
  font-style: italic;
  font-size: 12px;
  letter-spacing: 0.02em;
  color: var(--dim);
}

.page-news .archive-text {
  font-size: 14px;
  line-height: 1.8;
  color: var(--text-soft);
  max-width: 64ch;
}

/* ---------- 05 反馈 ---------- */
.page-news .feedback-grid {
  display: grid;
  gap: clamp(28px, 4vw, 48px);
  grid-template-columns: 1fr;
}

.page-news .feedback-copy p {
  margin: 0 0 1.2em;
  max-width: 68ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--text-soft);
}

.page-news .feedback-copy p:last-child {
  margin-bottom: 0;
}

.page-news .feedback-side {
  padding-top: 6px;
  border-top: 1px solid var(--news-line-soft);
}

.page-news .feedback-links {
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.page-news .feedback-links a {
  display: block;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--news-line-soft);
  font-family: var(--font-ui);
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-soft);
  text-decoration: none;
  transition: color var(--t-fast) ease, border-color var(--t-fast) ease;
}

.page-news .feedback-links a:hover {
  color: var(--cyan);
  border-bottom-color: rgba(52, 229, 212, 0.5);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-news .overview-grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-news .overview-stats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-news .feedback-grid {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
  }

  .page-news .archive-list li {
    grid-template-columns: minmax(140px, 0.5fr) minmax(0, 2.5fr);
    align-items: baseline;
    gap: 18px;
  }
}

@media (min-width: 1024px) {
  .page-news .news-hero-media {
    height: clamp(230px, 24vw, 360px);
  }

  .page-news .overview-grid {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
    gap: 56px;
  }

  .page-news .overview-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    border-top: 1px solid var(--news-line-soft);
  }

  .page-news .ov-stat {
    padding: 22px 18px 24px 0;
  }

  .page-news .ov-stat + .ov-stat {
    padding-left: 20px;
    border-left: 1px solid var(--news-line-soft);
  }

  .page-news .ov-val .numeral {
    font-size: clamp(2.2rem, 3.4vw, 3.2rem);
  }

  .page-news .stream-item {
    padding-right: 8px;
  }
}

@media (min-width: 1320px) {
  .page-news .news-block--errata {
    background:
      linear-gradient(90deg, var(--amber) 0 3px, transparent 3px) left top / 3px 100% no-repeat,
      radial-gradient(120% 90% at 8% 0%, rgba(255, 138, 61, 0.10), transparent 62%),
      linear-gradient(180deg, rgba(255, 138, 61, 0.06) 0%, rgba(255, 138, 61, 0.02) 100%);
  }
}

@media (max-width: 480px) {
  .page-news .overview-stats {
    grid-template-columns: minmax(0, 1fr);
  }

  .page-news .ov-stat,
  .page-news .ov-stat:nth-child(odd),
  .page-news .ov-stat:nth-child(even) {
    padding-left: 0;
    padding-right: 0;
    border-left: 0;
  }

  .page-news .chip-count {
    margin-left: 6px;
  }

  .page-news .stream-list {
    padding-left: 16px;
  }

  .page-news .stream-node {
    left: -22px;
    width: 9px;
    height: 9px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .section-mark,
  .page-news .stream-node,
  .page-news .archive-summary::after {
    transition: none;
  }

  .page-news .stream-item:hover .stream-node {
    box-shadow: 0 0 0 3px var(--ink-void);
  }
}
<<<END>>>