.page-news {
  --news-cut: 16px;
  --news-axis: rgba(217, 178, 106, 0.42);
  --news-rule: rgba(140, 90, 43, 0.2);
  --news-body-text: #3b3a35;
  --news-muted: #6f6a60;
  background: var(--paper);
  color: var(--carbon);
  font-family: var(--font-sans);
  overflow-x: hidden;
}

.page-news .breadcrumb {
  padding: 18px 0 6px;
}

.page-news .breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: 13px;
  color: var(--news-muted);
}

.page-news .breadcrumb-item + .breadcrumb-item::before {
  content: "/";
  margin-right: 8px;
  color: var(--brass-dark);
}

.page-news .breadcrumb-list a {
  color: var(--brass-dark);
  text-decoration: none;
}

.page-news .breadcrumb-list a:hover {
  color: var(--amber);
}

.page-news .breadcrumb-current {
  color: var(--carbon);
}

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  position: relative;
  overflow: hidden;
  padding: 34px 0 52px;
  background:
    radial-gradient(120% 90% at 88% 10%, rgba(232, 154, 60, 0.18), transparent 58%),
    linear-gradient(158deg, var(--ink-green) 0%, var(--ink-green-deep) 60%, #091a16 100%);
  color: var(--cream);
  border-bottom: 1px solid var(--news-axis);
}

.page-news .news-hero::after {
  content: "";
  position: absolute;
  inset: auto -14% -34% 38%;
  height: 78%;
  background: repeating-linear-gradient(115deg, rgba(217, 178, 106, 0.15) 0 1px, transparent 1px 26px);
  transform: rotate(-7deg);
  pointer-events: none;
}

.page-news .news-hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 30px;
}

.page-news .news-hero-copy {
  max-width: 46em;
}

.page-news .news-hero .eyebrow {
  color: var(--brass);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  margin: 0 0 14px;
}

.page-news .news-hero h1 {
  margin: 0 0 18px;
  font-size: clamp(30px, 6.2vw, 58px);
  line-height: 1.14;
  letter-spacing: -0.01em;
  color: var(--cream);
}

.page-news .news-lede {
  margin: 0 0 14px;
  max-width: 38em;
  font-size: 16px;
  line-height: 1.85;
  color: var(--cream);
}

.page-news .news-lede--dim {
  color: var(--silver);
}

.page-news .news-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 24px 0 0;
}

.page-news .hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 30px;
  margin: 30px 0 0;
  padding: 0;
}

.page-news .hero-stats > div {
  border-left: 2px solid var(--brass);
  padding-left: 12px;
}

.page-news .hero-stats dt {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--silver);
}

.page-news .hero-stats dd {
  margin: 6px 0 0;
  font-size: 15px;
  color: var(--cream);
}

.page-news .num {
  font-family: var(--font-mono);
  font-size: 24px;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.page-news .num--amber {
  color: var(--amber);
}

.page-news .news-hero-media {
  margin: 0;
}

.page-news .media-frame {
  overflow: hidden;
  border: 1px solid var(--news-axis);
  clip-path: polygon(var(--news-cut) 0, 100% 0, 100% calc(100% - var(--news-cut)), calc(100% - var(--news-cut)) 100%, 0 100%, 0 var(--news-cut));
  background: var(--ink-green-deep);
}

.page-news .media-frame img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-news .media-caption {
  margin: 10px 0 0;
  font-size: 12px;
  line-height: 1.7;
  color: var(--silver);
}

/* ---------- 主体两栏 ---------- */
.page-news .news-body {
  display: grid;
  gap: 32px;
  padding: 34px 0 56px;
}

.page-news .news-rail {
  display: block;
}

.page-news .rail-title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--brass-dark);
  text-transform: uppercase;
}

.page-news .rail-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
}

.page-news .rail-link {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 8px 13px;
  font-size: 14px;
  color: var(--carbon);
  text-decoration: none;
  background: var(--paper-light);
  border: 1px solid var(--news-rule);
  clip-path: polygon(8px 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%, 0 8px);
  transition: background 0.18s ease, color 0.18s ease, border-color 0.18s ease;
}

.page-news .rail-link::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  border: 1px solid var(--brass-dark);
  flex: none;
}

.page-news .rail-link:hover,
.page-news .rail-link:focus-visible {
  color: var(--brass-dark);
  border-color: var(--brass);
  background: #fff8e6;
}

.page-news .rail-link[data-active] {
  background: var(--ink-green);
  color: var(--cream);
  border-color: var(--brass);
}

.page-news .rail-link[data-active]::before {
  background: var(--amber);
  border-color: var(--amber);
}

.page-news .rail-note {
  padding: 18px 18px 20px;
  font-size: 13px;
  line-height: 1.8;
  color: var(--silver);
}

.page-news .rail-note-title {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--brass);
  text-transform: uppercase;
}

.page-news .rail-note p {
  margin: 0 0 12px;
}

.page-news .rail-note-link {
  display: inline-block;
  color: var(--amber);
  text-decoration: none;
  font-size: 13px;
  border-bottom: 1px solid var(--line-brass);
  padding-bottom: 2px;
}

.page-news .rail-note-link:hover {
  color: var(--cream);
}

/* ---------- 章节 ---------- */
.page-news .news-section {
  padding: 0 0 40px;
}

.page-news .news-section + .news-section {
  border-top: 1px dashed var(--news-rule);
  padding-top: 40px;
}

.page-news .section-head {
  margin-bottom: 22px;
}

.page-news .section-head .eyebrow {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--brass-dark);
  text-transform: uppercase;
}

.page-news .section-head h2 {
  margin: 0 0 12px;
  font-size: clamp(22px, 3.6vw, 33px);
  line-height: 1.26;
  color: var(--carbon);
}

.page-news .section-lede {
  margin: 0;
  max-width: 40em;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--news-body-text);
}

.page-news .section-body--split {
  display: grid;
  gap: 26px;
}

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

.page-news .section-figure .media-frame {
  border-color: var(--line-brass);
}

.page-news .section-figure .media-caption {
  color: var(--news-muted);
}

/* ---------- 时间轴列表 ---------- */
.page-news .stream {
  position: relative;
  padding: 0 0 0 20px;
  border-left: 1px dashed var(--news-axis);
}

.page-news .stream-item {
  position: relative;
  display: grid;
  gap: 8px;
  padding: 0 0 26px;
}

.page-news .stream-item:last-child {
  padding-bottom: 4px;
}

.page-news .stream-item::before {
  content: "";
  position: absolute;
  top: 6px;
  left: -25px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--paper);
  border: 2px solid var(--brass-dark);
}

.page-news .stream-item--rust::before {
  background: var(--rust);
  border-color: var(--rust);
}

.page-news .stream-item--hint::before {
  background: var(--amber);
  border-color: var(--brass-dark);
}

.page-news .when {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 12px;
  align-items: baseline;
}

.page-news .when-label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--brass-dark);
  text-transform: uppercase;
}

.page-news .when-stage {
  font-size: 12px;
  color: var(--news-muted);
}

.page-news .item-body h3 {
  margin: 0 0 8px;
  font-size: 17.5px;
  line-height: 1.5;
  color: var(--carbon);
}

.page-news .item-body p {
  margin: 0 0 8px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--news-body-text);
}

.page-news .item-body p:last-child {
  margin-bottom: 0;
}

.page-news .text-link {
  color: var(--brass-dark);
  text-decoration: none;
  border-bottom: 1px solid var(--line-brass);
  padding-bottom: 1px;
}

.page-news .text-link:hover {
  color: var(--rust);
  border-color: var(--rust);
}

.page-news .item-more {
  margin-top: 10px;
}

.page-news .item-more summary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  list-style: none;
  cursor: pointer;
  padding: 5px 12px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--brass-dark);
  border: 1px solid var(--line-brass);
  clip-path: polygon(6px 0, 100% 0, 100% calc(100% - 6px), calc(100% - 6px) 100%, 0 100%, 0 6px);
  transition: background 0.18s ease, color 0.18s ease;
}

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

.page-news .item-more summary::after {
  content: "+";
  font-size: 14px;
  line-height: 1;
}

.page-news .item-more[open] summary {
  background: var(--ink-green);
  color: var(--cream);
  border-color: var(--brass);
}

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

.page-news .item-more summary:hover {
  background: var(--ink-green);
  color: var(--cream);
}

.page-news .item-more ul {
  margin: 12px 0 0;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.85;
  color: var(--news-body-text);
}

.page-news .item-more li {
  margin-bottom: 5px;
}

.page-news .tag {
  display: inline-block;
  margin-right: 8px;
  padding: 2px 9px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  vertical-align: middle;
  border: 1px solid currentColor;
}

.page-news .tag--rust {
  color: var(--rust);
}

/* ---------- 合作生态 ---------- */
.page-news .partner-grid {
  gap: 18px;
}

.page-news .partner-card {
  padding: 22px 22px 24px;
  background: var(--paper-light);
  border: 1px solid var(--news-rule);
}

.page-news .partner-card .partner-tag {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--brass-dark);
  text-transform: uppercase;
}

.page-news .partner-card h3 {
  margin: 0 0 12px;
  font-size: 18px;
  line-height: 1.5;
}

.page-news .partner-card p {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--news-body-text);
}

.page-news .partner-card.lift {
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.page-news .partner-card.lift:hover {
  transform: translateY(-4px);
  border-color: var(--amber);
  box-shadow: 0 14px 28px -20px rgba(14, 43, 36, 0.7);
}

/* ---------- 专题系列 ---------- */
.page-news .series-grid {
  display: grid;
  gap: 16px;
  margin-bottom: 24px;
}

.page-news .series-card {
  position: relative;
  padding: 22px 20px 22px 24px;
  background: var(--teal-slate);
  color: var(--cream);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 20px), calc(100% - 20px) 100%, 0 100%);
}

.page-news .series-card::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 5px;
  background: linear-gradient(180deg, var(--amber), var(--brass-dark));
}

.page-news .series-index {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--brass);
}

.page-news .series-card h3 {
  margin: 0 0 10px;
  font-size: 17px;
  line-height: 1.55;
  color: var(--cream);
}

.page-news .series-card p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--silver);
}

.page-news .editor-note {
  padding: 22px 22px 24px;
  background: var(--paper-light);
  border: 1px solid var(--line-brass);
}

.page-news .editor-note-title {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--brass-dark);
  text-transform: uppercase;
}

.page-news .editor-note p {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--news-body-text);
}

/* ---------- 分隔与收尾 ---------- */
.page-news .divider-scale {
  margin: 8px 0 0;
}

.page-news .news-cta {
  display: grid;
  gap: 22px;
  margin-top: 36px;
  padding: 28px 24px 30px;
  background: linear-gradient(140deg, var(--ink-green) 0%, var(--teal-slate) 100%);
  color: var(--cream);
  border-left: 5px solid var(--amber);
}

.page-news .news-cta h2 {
  margin: 0 0 12px;
  font-size: clamp(21px, 3.2vw, 28px);
  line-height: 1.3;
  color: var(--cream);
}

.page-news .news-cta p {
  margin: 0;
  max-width: 44em;
  font-size: 15px;
  line-height: 1.85;
  color: var(--silver);
}

.page-news .news-cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-content: start;
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-news .series-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-news .stream {
    padding-left: 28px;
  }

  .page-news .stream-item {
    grid-template-columns: 130px minmax(0, 1fr);
    gap: 22px;
  }

  .page-news .stream-item::before {
    left: -33px;
  }

  .page-news .when {
    flex-direction: column;
    gap: 5px;
  }
}

@media (min-width: 960px) {
  .page-news .news-hero {
    padding: 48px 0 68px;
  }

  .page-news .news-hero-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 52px;
    align-items: start;
  }

  .page-news .news-hero-media {
    transform: translateY(24px);
  }

  .page-news .news-cta {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    padding: 34px 34px 36px;
  }
}

@media (min-width: 1040px) {
  .page-news .news-body {
    grid-template-columns: 236px minmax(0, 1fr);
    gap: 52px;
    padding: 44px 0 72px;
  }

  .page-news .news-rail {
    position: sticky;
    top: 96px;
    align-self: start;
  }

  .page-news .rail-list {
    flex-direction: column;
    gap: 4px;
    margin-bottom: 24px;
  }

  .page-news .rail-link {
    width: 100%;
    box-sizing: border-box;
  }

  .page-news .section-body--split {
    grid-template-columns: minmax(0, 1fr) 340px;
    gap: 42px;
    align-items: start;
  }

  .page-news .section-body--flip {
    grid-template-columns: 340px minmax(0, 1fr);
  }

  .page-news .section-body--flip .section-figure {
    order: -1;
  }
}

@media (min-width: 1180px) {
  .page-news .section-body--split {
    grid-template-columns: minmax(0, 1fr) 380px;
  }

  .page-news .section-body--flip {
    grid-template-columns: 380px minmax(0, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .partner-card.lift {
    transition: none;
  }

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