.page-news {
  --news-gap: clamp(20px, 3vw, 36px);
  --news-radius: 0;
  background: var(--cream);
  color: var(--ink);
  font-family: var(--font-sans);
  overflow-x: hidden;
}

/* ---------- 首屏框景 ---------- */
.page-news .news-hero {
  position: relative;
  background:
    repeating-linear-gradient(90deg, rgba(201, 194, 182, 0.07) 0 1px, transparent 1px 84px),
    linear-gradient(158deg, var(--forest) 0%, #08201f 58%, var(--carbon) 100%);
  color: var(--paper);
  padding-block: clamp(20px, 3vw, 30px) clamp(38px, 6vw, 72px);
  border-bottom: 1px solid var(--line-mist);
  overflow: hidden;
}

.page-news .news-hero::before {
  content: "";
  position: absolute;
  inset: 12px;
  border: 1px solid rgba(201, 194, 182, 0.2);
  pointer-events: none;
}

.page-news .news-hero::after {
  content: "";
  position: absolute;
  top: 12px;
  right: 12px;
  width: clamp(60px, 14vw, 110px);
  height: 4px;
  background: var(--flame);
}

.page-news .news-hero .crumbs {
  position: relative;
  z-index: 1;
  margin-bottom: clamp(24px, 4vw, 40px);
}

.page-news .news-hero .crumbs__link {
  color: var(--mist);
  text-decoration: none;
}

.page-news .news-hero .crumbs__link:hover,
.page-news .news-hero .crumbs__link:focus-visible {
  color: var(--neon);
}

.page-news .news-hero .crumbs__current {
  color: var(--signal);
}

.page-news .news-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(14px, 2vw, 22px);
}

.page-news .news-hero__tag {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--fz-12);
  letter-spacing: 0.22em;
  color: var(--neon);
  text-transform: uppercase;
}

.page-news .news-hero__kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 18px;
  padding: 6px 12px;
  border: 1px solid rgba(242, 181, 68, 0.42);
  font-size: var(--fz-12);
  letter-spacing: 0.1em;
  color: var(--signal);
}

.page-news .news-hero__kicker .status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--neon);
  box-shadow: 0 0 0 3px rgba(54, 240, 192, 0.18);
}

.page-news .news-hero__title {
  margin: 0 0 16px;
  font-size: clamp(1.9rem, 6.6vw, 4rem);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -0.04em;
  max-width: 18ch;
  color: var(--paper);
}

.page-news .news-hero__lead {
  margin: 0;
  max-width: 46ch;
  font-size: var(--fz-16);
  line-height: 1.85;
  color: var(--mist);
}

.page-news .news-hero__stats {
  list-style: none;
  margin: clamp(26px, 4vw, 44px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: rgba(201, 194, 182, 0.22);
  border: 1px solid rgba(201, 194, 182, 0.22);
}

.page-news .news-hero__stats li {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 16px 16px 18px;
  background: rgba(8, 32, 31, 0.86);
}

.page-news .news-num {
  font-family: var(--font-mono);
  font-size: clamp(1.5rem, 5vw, 2.2rem);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-news .news-num__label {
  font-size: var(--fz-12);
  letter-spacing: 0.06em;
  color: var(--mist);
}

/* ---------- 章节通用 ---------- */
.page-news .news-section {
  padding-block: clamp(44px, 6vw, 88px);
}

.page-news .chapter {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 16px;
  margin-bottom: clamp(22px, 3vw, 34px);
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line-ink);
}

.page-news .chapter__num {
  font-family: var(--font-mono);
  font-size: var(--fz-14);
  letter-spacing: 0.12em;
  color: var(--flame);
}

.page-news .chapter__title {
  flex: 1 1 auto;
  margin: 0;
  font-size: clamp(1.3rem, 3.4vw, 2rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--ink);
}

.page-news .news-chapter__note {
  margin: 0;
  font-size: var(--fz-12);
  letter-spacing: 0.1em;
  color: var(--steel);
}

/* ---------- 头条案例 ---------- */
.page-news .feature {
  display: grid;
  border: 1px solid var(--line-ink);
  background: var(--paper);
}

.page-news .feature__media {
  position: relative;
  margin: 0;
  min-height: 220px;
  overflow: hidden;
  background: var(--carbon);
}

.page-news .feature__media img {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 220px;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.page-news .feature:hover .feature__media img {
  transform: scale(1.03);
}

.page-news .feature__stamp {
  position: absolute;
  left: 0;
  bottom: 0;
  padding: 8px 16px;
  background: var(--flame);
  color: var(--paper);
  font-family: var(--font-mono);
  font-size: var(--fz-12);
  letter-spacing: 0.16em;
}

.page-news .feature__body {
  padding: clamp(20px, 3vw, 40px);
  display: flex;
  flex-direction: column;
}

.page-news .feature__tags {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 16px;
  padding: 0;
}

.page-news .tag {
  border-radius: var(--news-radius);
  font-size: var(--fz-12);
  letter-spacing: 0.08em;
  padding: 4px 10px;
}

.page-news .feature__title {
  margin: 0 0 14px;
  font-size: clamp(1.35rem, 4vw, 2.1rem);
  font-weight: 900;
  line-height: 1.24;
  letter-spacing: -0.03em;
  color: var(--ink);
}

.page-news .feature__text {
  margin: 0;
  font-size: var(--fz-16);
  line-height: 1.85;
  color: rgba(36, 28, 22, 0.82);
}

.page-news .feature__dims {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--line-ink);
}

.page-news .feature__dims li {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line-ink);
}

.page-news .feature__dims li:nth-child(odd) {
  padding-right: 12px;
  border-right: 1px solid var(--line-ink);
}

.page-news .feature__dims li:nth-child(even) {
  padding-left: 12px;
}

.page-news .feature__dims span {
  font-size: var(--fz-12);
  letter-spacing: 0.08em;
  color: var(--steel);
}

.page-news .feature__dims strong {
  font-family: var(--font-mono);
  font-size: var(--fz-20);
  font-weight: 700;
  color: var(--ink);
}

.page-news .feature__more {
  margin-top: 20px;
  padding-top: 14px;
  border-top: 1px solid var(--line-ink);
}

.page-news .feature__more summary {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 0;
  cursor: pointer;
  list-style: none;
  font-size: var(--fz-14);
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--flame);
}

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

.page-news .feature__more summary::before {
  content: "＋";
  font-family: var(--font-mono);
  font-size: var(--fz-16);
  line-height: 1;
}

.page-news .feature__more[open] summary::before {
  content: "－";
}

.page-news .feature__more summary:focus-visible {
  outline: 2px solid var(--neon);
  outline-offset: 4px;
}

.page-news .feature__more ol {
  margin: 10px 0 0;
  padding-left: 20px;
  font-size: var(--fz-14);
  line-height: 1.9;
  color: rgba(36, 28, 22, 0.8);
}

/* ---------- 案例清单 ---------- */
.page-news .news-section--list {
  background: linear-gradient(180deg, var(--cream) 0%, #ede3d3 100%);
}

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

.page-news .chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 22px;
}

.page-news .chip {
  font-family: var(--font-sans);
  font-size: var(--fz-12);
  letter-spacing: 0.08em;
  padding: 8px 14px;
  border: 1px solid rgba(36, 28, 22, 0.24);
  border-radius: var(--news-radius);
  background: transparent;
  color: var(--ink);
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.page-news .chip:hover {
  border-color: var(--flame);
  color: var(--flame);
}

.page-news .chip[aria-pressed="true"] {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--paper);
}

.page-news .chip:focus-visible {
  outline: 2px solid var(--neon);
  outline-offset: 2px;
}

.page-news .case-grid {
  display: grid;
  gap: 1px;
  background: var(--line-ink);
  border: 1px solid var(--line-ink);
}

.page-news .case-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: clamp(16px, 2.4vw, 24px);
  background: var(--paper);
  transition: transform 0.2s ease, background 0.2s ease;
}

.page-news .case-card::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 3px;
  background: var(--flame);
  transform: scaleY(0);
  transform-origin: top;
  transition: transform 0.25s ease;
}

.page-news .case-card:hover {
  transform: translateY(-2px);
  background: #fffdf8;
}

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

.page-news .case-card:focus-visible,
.page-news .case-card:focus {
  outline: 2px solid var(--neon);
  outline-offset: 2px;
}

.page-news .case-card__time {
  position: relative;
  display: inline-flex;
  align-items: center;
  align-self: flex-start;
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--fz-12);
  letter-spacing: 0.06em;
  color: var(--steel);
  cursor: default;
}

.page-news .case-card__hint {
  position: absolute;
  left: 0;
  top: calc(100% + 6px);
  z-index: 3;
  padding: 4px 8px;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-sans);
  font-size: 11px;
  letter-spacing: 0.04em;
  white-space: nowrap;
  opacity: 0;
  transform: translateY(-4px);
  pointer-events: none;
  transition: opacity 0.18s ease, transform 0.18s ease;
}

.page-news .case-card__time:hover .case-card__hint,
.page-news .case-card:focus .case-card__hint {
  opacity: 1;
  transform: translateY(0);
}

.page-news .case-card__title {
  margin: 0;
  font-size: var(--fz-20);
  font-weight: 800;
  line-height: 1.36;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.page-news .case-card__text {
  margin: 0;
  font-size: var(--fz-14);
  line-height: 1.8;
  color: rgba(36, 28, 22, 0.78);
}

.page-news .case-card__tags {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: auto 0 0;
  padding: 0;
}

.page-news .case-main__foot {
  margin: 20px 0 0;
  font-size: var(--fz-14);
  line-height: 1.8;
  color: rgba(36, 28, 22, 0.78);
}

.page-news .case-main__foot a {
  color: var(--flame);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-news .case-main__foot a:focus-visible {
  outline: 2px solid var(--neon);
  outline-offset: 2px;
}

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

.page-news .case-aside__media {
  margin: 0;
  border: 1px solid var(--line-ink);
  background: var(--carbon);
  overflow: hidden;
}

.page-news .case-aside__media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-news .case-aside__panel {
  padding: 18px;
  border: 1px solid var(--line-ink);
  background: var(--paper);
}

.page-news .case-aside__panel--dark {
  background: var(--forest);
  border-color: rgba(201, 194, 182, 0.24);
  color: var(--paper);
}

.page-news .case-aside__title {
  margin: 0 0 12px;
  font-size: var(--fz-12);
  letter-spacing: 0.16em;
  color: var(--steel);
}

.page-news .case-aside__panel--dark .case-aside__title {
  color: var(--neon);
}

.page-news .case-aside__text {
  margin: 0 0 12px;
  font-size: var(--fz-14);
  line-height: 1.8;
  color: var(--mist);
}

.page-news .case-aside__link {
  display: inline-block;
  font-size: var(--fz-14);
  color: var(--signal);
  text-decoration: none;
  border-bottom: 1px solid rgba(242, 181, 68, 0.5);
  padding-bottom: 2px;
}

.page-news .case-aside__link:hover,
.page-news .case-aside__link:focus-visible {
  color: var(--neon);
  border-bottom-color: var(--neon);
}

.page-news .stage-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-news .stage-list li {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  padding-bottom: 8px;
  border-bottom: 1px dashed var(--line-ink);
  font-size: var(--fz-14);
}

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

.page-news .stage-list span:last-child {
  font-family: var(--font-mono);
  color: var(--flame);
}

/* ---------- 研究板结构 ---------- */
.page-news .news-section--board {
  background: var(--cream);
}

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

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

.page-news .board-step {
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr);
  gap: 14px;
  padding: 18px 0;
  border-top: 1px solid var(--line-ink);
}

.page-news .board-step:last-child {
  border-bottom: 1px solid var(--line-ink);
}

.page-news .board-step__num {
  font-family: var(--font-mono);
  font-size: var(--fz-28);
  line-height: 1;
  color: var(--flame);
}

.page-news .board-step__title {
  margin: 0 0 6px;
  font-size: var(--fz-20);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.page-news .board-step__text {
  margin: 0;
  font-size: var(--fz-14);
  line-height: 1.85;
  color: rgba(36, 28, 22, 0.78);
}

.page-news .board__media {
  margin: 0;
  border: 1px solid var(--line-ink);
  background: var(--paper);
}

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

.page-news .board__caption {
  padding: 12px 16px;
  font-size: var(--fz-12);
  letter-spacing: 0.08em;
  color: var(--steel);
  border-top: 1px solid var(--line-ink);
}

/* ---------- 专题横向带 ---------- */
.page-news .topic-band {
  padding-block: clamp(44px, 6vw, 88px) clamp(46px, 6vw, 80px);
  background:
    repeating-linear-gradient(45deg, rgba(201, 194, 182, 0.05) 0 1px, transparent 1px 22px),
    var(--carbon);
  color: var(--paper);
  border-top: 1px solid rgba(201, 194, 182, 0.18);
  border-bottom: 1px solid rgba(201, 194, 182, 0.18);
}

.page-news .topic-band .chapter {
  border-bottom-color: rgba(201, 194, 182, 0.24);
}

.page-news .topic-band .chapter__title {
  color: var(--paper);
}

.page-news .topic-band .news-chapter__note {
  color: var(--mist);
}

.page-news .topic-band__media {
  margin: 0 0 var(--news-gap);
  border: 1px solid rgba(201, 194, 182, 0.22);
  overflow: hidden;
}

.page-news .topic-band__media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-news .topic-band__band {
  display: flex;
  gap: 1px;
  margin: 0;
  padding: 0 0 10px;
  list-style: none;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  scrollbar-color: var(--steel) transparent;
}

.page-news .topic-band__band .band__item {
  flex: 0 0 min(320px, 82vw);
  scroll-snap-align: start;
  display: flex;
}

.page-news .topic-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  width: 100%;
  padding: 22px;
  background: rgba(11, 43, 42, 0.92);
  border: 1px solid rgba(201, 194, 182, 0.2);
  transition: background 0.25s ease, border-color 0.25s ease;
}

.page-news .topic-card:hover {
  background: rgba(47, 111, 106, 0.32);
  border-color: rgba(54, 240, 192, 0.5);
}

.page-news .topic-card__index {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--fz-12);
  letter-spacing: 0.18em;
  color: var(--neon);
}

.page-news .topic-card__title {
  margin: 0;
  font-size: var(--fz-20);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-news .topic-card__text {
  margin: 0;
  font-size: var(--fz-14);
  line-height: 1.8;
  color: var(--mist);
}

.page-news .topic-card__link {
  margin-top: auto;
  align-self: flex-start;
  font-size: var(--fz-14);
  color: var(--signal);
  text-decoration: none;
  border-bottom: 1px solid rgba(242, 181, 68, 0.5);
  padding-bottom: 2px;
}

.page-news .topic-card__link:hover,
.page-news .topic-card__link:focus-visible {
  color: var(--neon);
  border-bottom-color: var(--neon);
}

/* ---------- 更新节奏 ---------- */
.page-news .update-panel {
  display: grid;
  gap: var(--news-gap);
  padding: clamp(22px, 4vw, 44px);
  background: linear-gradient(150deg, var(--forest) 0%, #08201f 100%);
  color: var(--paper);
  border-left: 4px solid var(--flame);
}

.page-news .update-panel__status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 16px;
  font-size: var(--fz-12);
  letter-spacing: 0.1em;
  color: var(--neon);
}

.page-news .update-panel__status .status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--neon);
  box-shadow: 0 0 0 3px rgba(54, 240, 192, 0.18);
  animation: news-pulse 2.8s ease-in-out infinite;
}

@keyframes news-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.45; }
}

.page-news .update-panel__title {
  margin: 0 0 12px;
  font-size: clamp(1.3rem, 3.6vw, 1.9rem);
  font-weight: 900;
  line-height: 1.24;
  letter-spacing: -0.03em;
  color: var(--paper);
}

.page-news .update-panel__text {
  margin: 0 0 20px;
  max-width: 44ch;
  font-size: var(--fz-16);
  line-height: 1.85;
  color: var(--mist);
}

.page-news .update-panel__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-news .update-panel__note {
  margin: 18px 0 0;
  font-size: var(--fz-14);
  line-height: 1.8;
  color: var(--mist);
}

.page-news .update-panel__note a {
  color: var(--signal);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-news .update-panel__note a:focus-visible {
  outline: 2px solid var(--neon);
  outline-offset: 2px;
}

.page-news .update-panel__facts {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: rgba(201, 194, 182, 0.18);
  border: 1px solid rgba(201, 194, 182, 0.18);
  align-self: start;
}

.page-news .update-panel__facts li {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 6px 16px;
  padding: 14px 16px;
  background: rgba(8, 32, 31, 0.85);
  font-size: var(--fz-14);
  color: var(--mist);
}

.page-news .update-panel__facts strong {
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--paper);
  letter-spacing: -0.01em;
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-news .news-hero__stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

@media (min-width: 860px) {
  .page-news .feature {
    grid-template-columns: 1.05fr 1fr;
  }

  .page-news .feature__media img {
    min-height: 100%;
  }

  .page-news .board {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.92fr);
    align-items: start;
  }

  .page-news .update-panel {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
    align-items: start;
  }
}

@media (min-width: 900px) {
  .page-news .news-hero__inner {
    grid-template-columns: 86px minmax(0, 1fr);
    column-gap: var(--news-gap);
    align-items: start;
  }

  .page-news .news-hero__tag {
    writing-mode: vertical-rl;
    grid-row: span 2;
    padding-top: 4px;
  }

  .page-news .news-hero__head,
  .page-news .news-hero__stats {
    grid-column: 2;
  }
}

@media (min-width: 1000px) {
  .page-news .case-layout {
    grid-template-columns: minmax(0, 1fr) 300px;
    align-items: start;
  }

  .page-news .case-aside {
    position: sticky;
    top: 24px;
  }
}

@media (min-width: 1100px) {
  .page-news .case-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-news .case-card--wide {
    grid-column: span 2;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .update-panel__status .status-dot {
    animation: none;
  }

  .page-news .feature__media img,
  .page-news .case-card,
  .page-news .case-card::before,
  .page-news .case-card__hint {
    transition: none;
  }
}
<<<END>>>