.page-news {
  --news-top-rule: 3px;
  display: block;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-sans);
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  position: relative;
  overflow: hidden;
  padding: 30px 0 44px;
  border-bottom: 1px solid var(--line);
}

.page-news .news-hero::before {
  content: "";
  position: absolute;
  top: -22%;
  right: -14%;
  width: min(92vw, 800px);
  height: 148%;
  background: linear-gradient(148deg, var(--blue-mist) 0%, #d6e7ff 56%, #ffffff 100%);
  clip-path: polygon(36% 0, 100% 0, 100% 100%, 0 100%);
  z-index: 0;
  pointer-events: none;
}

.page-news .news-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 46px 46px;
  opacity: 0.32;
  -webkit-mask-image: linear-gradient(118deg, transparent 42%, #000 100%);
  mask-image: linear-gradient(118deg, transparent 42%, #000 100%);
  pointer-events: none;
}

.page-news .news-hero-inner {
  position: relative;
  z-index: 1;
}

.page-news .news-hero h1 {
  margin: 12px 0 0;
  font-family: var(--font-serif);
  font-size: 30px;
  line-height: 1.26;
  letter-spacing: -0.01em;
  color: var(--ink);
  max-width: 20em;
}

.page-news .hero-lead {
  margin: 16px 0 0;
  max-width: 34em;
  font-size: 16px;
  line-height: 1.75;
  color: var(--graphite);
}

.page-news .hero-stats {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  max-width: 520px;
}

.page-news .hero-stats li {
  background: rgba(255, 255, 255, 0.82);
  padding: 12px 14px;
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.page-news .hero-stats .mono {
  font-family: var(--font-mono);
  font-size: 18px;
  font-weight: 700;
  color: var(--blue-deep);
  letter-spacing: 0.01em;
}

.page-news .hero-stats em {
  font-style: normal;
  font-size: 13px;
  color: var(--graphite);
}

.page-news .hero-actions {
  margin-top: 26px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* ---------- 置顶公告 ---------- */
.page-news .top-notice {
  display: grid;
  gap: 22px;
  padding: 22px 18px 26px;
  background: #ffffff;
  border: 1px solid var(--line);
  border-top: var(--news-top-rule) solid var(--orange);
}

.page-news .top-notice-visual {
  margin: 0;
}

.page-news .top-notice-visual img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--line);
}

.page-news .notice-flag {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--orange-dark);
}

.page-news .top-notice-copy h2 {
  margin: 10px 0 0;
  font-family: var(--font-serif);
  font-size: 24px;
  line-height: 1.34;
  color: var(--ink);
}

.page-news .top-notice-copy > p {
  margin: 14px 0 0;
  font-size: 16px;
  line-height: 1.8;
  color: var(--graphite);
}

.page-news .notice-points {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-news .notice-points li {
  position: relative;
  padding: 10px 0 10px 20px;
  border-bottom: 1px solid var(--line);
  font-size: 15px;
  line-height: 1.7;
  color: var(--ink);
}

.page-news .notice-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 19px;
  width: 8px;
  height: 8px;
  background: var(--orange);
}

.page-news .top-notice-copy .btn {
  margin-top: 20px;
}

/* ---------- 归档区 ---------- */
.page-news .section-head {
  max-width: 42em;
}

.page-news .filter-index {
  margin: 24px 0 0;
  background: var(--blue-mist);
  border: 1px solid var(--line);
}

.page-news .filter-summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 15px 16px;
  font-size: 15px;
  font-weight: 600;
  color: var(--blue-deep);
}

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

.page-news .filter-hint {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 400;
  color: var(--orange-dark);
  white-space: nowrap;
}

.page-news .filter-index[open] .filter-hint {
  color: var(--graphite);
}

.page-news .filter-body {
  display: grid;
  gap: 22px;
  padding: 6px 16px 22px;
  border-top: 1px solid rgba(10, 108, 255, 0.22);
}

.page-news .filter-col-title {
  margin: 16px 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--blue-deep);
}

.page-news .filter-links {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-news .filter-links li + li {
  border-top: 1px solid rgba(10, 108, 255, 0.18);
}

.page-news .filter-links a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 9px 0;
  font-size: 14px;
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 180ms var(--ease);
}

.page-news .filter-links a:hover,
.page-news .filter-links a:focus-visible {
  color: var(--blue);
}

.page-news .filter-links .mono {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--graphite);
}

.page-news .filter-note {
  margin: 10px 0 0;
  font-size: 13px;
  line-height: 1.6;
  color: var(--graphite);
}

.page-news .category-band {
  display: block;
  width: 100%;
  max-width: 960px;
  height: auto;
  margin: 26px auto 0;
  border: 1px solid var(--line);
}

/* ---------- 条目分组 ---------- */
.page-news .note-group {
  margin-top: 42px;
}

.page-news .group-head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--ink);
}

.page-news .group-num {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--orange);
}

.page-news .group-head h3 {
  flex: 1;
  margin: 0;
  font-family: var(--font-serif);
  font-size: 22px;
  line-height: 1.3;
  color: var(--ink);
}

.page-news .group-count {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--graphite);
}

.page-news .note-item {
  border-bottom: 1px solid var(--line);
}

.page-news .note-summary {
  position: relative;
  display: block;
  padding: 16px 34px 16px 0;
  cursor: pointer;
  list-style: none;
}

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

.page-news .note-summary::after {
  content: "+";
  position: absolute;
  right: 4px;
  top: 30px;
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--orange);
}

.page-news .note-item[open] .note-summary::after {
  content: "−";
}

.page-news .note-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 6px;
}

.page-news .note-cat {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  padding: 2px 7px;
  border: 1px solid currentColor;
  color: var(--graphite);
}

.page-news .note-cat--release {
  color: var(--blue);
}

.page-news .note-cat--tune {
  color: var(--teal);
}

.page-news .note-cat--event {
  color: var(--orange);
}

.page-news .note-cat--service {
  color: var(--graphite);
}

.page-news .note-when {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--graphite);
}

.page-news .note-title {
  display: block;
  font-size: 17px;
  font-weight: 600;
  line-height: 1.55;
  color: var(--ink);
  transition: color 180ms var(--ease);
}

.page-news .note-summary:hover .note-title,
.page-news .note-summary:focus-visible .note-title {
  color: var(--blue);
}

.page-news .note-body {
  margin: 0 0 16px 3px;
  padding: 2px 0 2px 14px;
  border-left: 2px solid var(--orange-mist);
  font-size: 15px;
  line-height: 1.8;
  color: var(--graphite);
}

.page-news .note-body p {
  margin: 0;
}

.page-news .archive-wall {
  margin: 46px 0 0;
}

.page-news .archive-wall img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--line);
}

.page-news .archive-wall figcaption {
  margin-top: 12px;
  padding-left: 14px;
  border-left: 2px solid var(--orange);
  font-size: 14px;
  line-height: 1.7;
  color: var(--graphite);
}

/* ---------- 发布节奏 ---------- */
.page-news .channel-panel {
  display: grid;
  border: 1px solid var(--line);
  background: #ffffff;
}

.page-news .channel-copy {
  padding: 26px 20px;
}

.page-news .channel-text {
  margin: 14px 0 0;
  font-size: 16px;
  line-height: 1.8;
  color: var(--graphite);
  max-width: 32em;
}

.page-news .channel-steps {
  list-style: none;
  margin: 0;
  padding: 12px 20px 24px;
  background: var(--blue-mist);
}

.page-news .channel-steps li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 14px;
  padding: 16px 0;
  border-bottom: 1px solid rgba(10, 108, 255, 0.2);
}

.page-news .channel-steps li:last-child {
  border-bottom: 0;
}

.page-news .step-num {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--orange);
  padding-top: 4px;
}

.page-news .channel-steps h3 {
  margin: 0;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--ink);
}

.page-news .channel-steps p {
  margin: 6px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--graphite);
}

/* ---------- 固定专栏 ---------- */
.page-news .columns-layout {
  display: grid;
  gap: 32px;
}

.page-news .columns-lead {
  margin: 12px 0 0;
  font-size: 16px;
  line-height: 1.75;
  color: var(--graphite);
  max-width: 32em;
}

.page-news .columns-list {
  margin-top: 22px;
  border-top: 1px solid var(--line);
}

.page-news .column-item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 14px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}

.page-news .column-idx {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--blue);
  padding-top: 4px;
}

.page-news .column-item h3 {
  margin: 0;
  font-family: var(--font-serif);
  font-size: 19px;
  line-height: 1.4;
  color: var(--ink);
}

.page-news .column-item p {
  margin: 8px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--graphite);
}

.page-news .columns-figure {
  margin: 0;
}

.page-news .columns-figure img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--line);
  background: #ffffff;
}

.page-news .columns-figure figcaption {
  margin-top: 12px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--graphite);
}

/* ---------- 收尾 ---------- */
.page-news .news-cta {
  display: grid;
  gap: 20px;
  padding: 26px 20px;
  background: var(--ink);
  border-left: 6px solid var(--orange);
}

.page-news .cta-title {
  margin: 0;
  font-family: var(--font-serif);
  font-size: 22px;
  line-height: 1.4;
  color: #ffffff;
}

.page-news .news-cta p {
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: rgba(255, 255, 255, 0.76);
  max-width: 34em;
}

.page-news .cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* ---------- 断点 ---------- */
@media (min-width: 640px) {
  .page-news .news-hero {
    padding: 44px 0 58px;
  }

  .page-news .hero-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    max-width: 680px;
  }

  .page-news .filter-body {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 26px;
  }

  .page-news .top-notice {
    padding: 28px 26px 32px;
  }

  .page-news .channel-copy {
    padding: 32px 28px;
  }

  .page-news .channel-steps {
    padding: 18px 28px 28px;
  }

  .page-news .news-cta {
    grid-template-columns: 1.4fr auto;
    align-items: center;
    padding: 34px 32px;
  }
}

@media (min-width: 900px) {
  .page-news .news-hero h1 {
    font-size: 42px;
  }

  .page-news .hero-lead {
    font-size: 17px;
  }

  .page-news .top-notice {
    grid-template-columns: 1.05fr 1fr;
    gap: 40px;
    align-items: center;
    padding: 40px 38px 44px;
  }

  .page-news .top-notice-copy h2 {
    font-size: 28px;
  }

  .page-news .channel-panel {
    grid-template-columns: 1fr 1.15fr;
  }

  .page-news .columns-layout {
    grid-template-columns: 1.15fr 1fr;
    gap: 48px;
    align-items: start;
  }

  .page-news .columns-figure {
    position: sticky;
    top: 32px;
  }

  .page-news .note-title {
    font-size: 18px;
  }
}

@media (min-width: 1140px) {
  .page-news .news-hero h1 {
    font-size: 50px;
  }

  .page-news .section-lead {
    font-size: 17px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .filter-links a,
  .page-news .note-title {
    transition: none;
  }
}
<<<END>>>