.page-news {
  --news-line: rgba(20, 43, 68, 0.12);
  --news-line-strong: rgba(20, 43, 68, 0.24);
  --news-surface: #ffffff;
  background: var(--paper);
  color: var(--ink-900);
}

/* ---------- 面包屑 ---------- */
.page-news .breadcrumbs {
  padding-top: clamp(16px, 3vw, 26px);
}

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  padding: clamp(20px, 3.5vw, 34px) 0 clamp(34px, 6vw, 64px);
  background:
    radial-gradient(90% 120% at 88% -12%, rgba(242, 115, 63, 0.16), transparent 62%),
    radial-gradient(70% 110% at 4% 0%, rgba(78, 156, 138, 0.14), transparent 60%);
}

.page-news .news-hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 48px);
}

.page-news .news-hero-main h1 {
  margin: 12px 0 0;
  font-size: clamp(31px, 5.4vw, 52px);
  line-height: 1.08;
  letter-spacing: -0.02em;
  font-weight: 900;
  max-width: 20ch;
}

.page-news .news-hero-main .lede {
  margin: 18px 0 0;
  max-width: 36em;
  font-size: clamp(15px, 1.4vw, 17px);
  line-height: 1.75;
  color: var(--ink-500);
}

.page-news .news-hero-side {
  position: relative;
  padding: 24px 24px 28px;
  background: var(--ink-900);
  color: var(--paper);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--cut)), calc(100% - var(--cut)) 100%, 0 100%);
}

.page-news .news-hero-note {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: rgba(232, 237, 244, 0.72);
}

.page-news .news-hero-links {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
}

.page-news .news-hero-links a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 11px 2px;
  color: var(--paper);
  text-decoration: none;
  font-size: 15px;
  border-bottom: 1px solid rgba(232, 237, 244, 0.14);
  transition: color 0.18s var(--ease), padding-left 0.18s var(--ease);
}

.page-news .news-hero-links li:last-child a {
  border-bottom: 0;
}

.page-news .news-hero-links a::after {
  content: "→";
  font-family: var(--font-mono);
  color: var(--orange-500);
  font-size: 14px;
}

.page-news .news-hero-links a:hover {
  color: var(--amber);
  padding-left: 8px;
}

@media (min-width: 900px) {
  .page-news .news-hero-grid {
    grid-template-columns: 7fr 5fr;
    align-items: end;
  }
}

/* ---------- 精选专题 ---------- */
.page-news .news-featured {
  padding: clamp(30px, 5vw, 56px) 0 clamp(24px, 4vw, 42px);
}

.page-news .news-featured .section-head {
  margin-bottom: clamp(20px, 3vw, 32px);
}

.page-news .cover-track {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: min(86%, 400px);
  gap: 16px;
  margin: 0;
  padding: 0 0 14px;
  list-style: none;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scrollbar-width: thin;
}

.page-news .cover-card {
  position: relative;
  scroll-snap-align: start;
  min-height: clamp(320px, 44vw, 420px);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: clamp(22px, 3vw, 32px);
  background: var(--ink-900);
  color: var(--paper);
  overflow: hidden;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 22px), calc(100% - 22px) 100%, 0 100%);
}

.page-news .cover-media,
.page-news .cover-art {
  position: absolute;
  inset: 0;
}

.page-news .cover-media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.6;
}

.page-news .cover-art {
  background:
    radial-gradient(120% 95% at 18% 0%, rgba(78, 156, 138, 0.5), transparent 62%),
    linear-gradient(160deg, #142B44 0%, #0B1A2B 72%);
}

.page-news .cover-art--warm {
  background:
    radial-gradient(120% 100% at 85% 8%, rgba(242, 115, 63, 0.52), transparent 62%),
    linear-gradient(160deg, #142B44 0%, #0B1A2B 72%);
}

.page-news .cover-art::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(232, 237, 244, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(232, 237, 244, 0.07) 1px, transparent 1px);
  background-size: 44px 44px;
}

.page-news .cover-card::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(11, 26, 43, 0.05) 18%, rgba(11, 26, 43, 0.86) 74%, rgba(11, 26, 43, 0.97) 100%);
}

.page-news .cover-body {
  position: relative;
  z-index: 2;
}

.page-news .cover-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  padding-bottom: 6px;
  color: var(--amber);
  border-bottom: 2px solid var(--orange-500);
}

.page-news .cover-title {
  margin: 14px 0 8px;
  font-size: clamp(20px, 2.4vw, 24px);
  line-height: 1.3;
  letter-spacing: -0.02em;
  font-weight: 800;
}

.page-news .cover-text {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: rgba(232, 237, 244, 0.78);
  max-width: 40ch;
}

@media (min-width: 900px) {
  .page-news .cover-track {
    grid-auto-columns: min(60%, 540px);
  }
}

@media (min-width: 1200px) {
  .page-news .cover-track {
    grid-auto-columns: 480px;
  }
}

/* ---------- 渐变分隔带 ---------- */
.page-news .glow-band {
  height: 3px;
  background: linear-gradient(90deg, var(--orange-500), var(--amber), var(--celadon-500));
}

/* ---------- 动态列表 ---------- */
.page-news .news-feed {
  padding: clamp(38px, 6vw, 76px) 0;
}

.page-news .news-feed .section-head {
  margin-bottom: clamp(20px, 3vw, 30px);
}

.page-news .news-feed .lede {
  max-width: 56ch;
}

.page-news .filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 clamp(20px, 3vw, 30px);
}

.page-news .filter-btn {
  font: inherit;
  font-size: 14px;
  font-weight: 600;
  padding: 9px 18px;
  border-radius: 999px;
  border: 1px solid var(--news-line-strong);
  background: transparent;
  color: var(--ink-700);
  cursor: pointer;
  transition: transform 0.18s var(--ease), background 0.18s var(--ease), color 0.18s var(--ease), border-color 0.18s var(--ease);
}

.page-news .filter-btn:hover {
  transform: translateY(-2px);
  border-color: var(--orange-500);
}

.page-news .filter-btn[aria-pressed="true"] {
  background: var(--ink-900);
  border-color: var(--ink-900);
  color: var(--paper);
}

.page-news .feed-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-news .feed-item {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 22px 22px 22px 30px;
  background: var(--news-surface);
  border: 1px solid var(--news-line);
  transition: transform 0.18s var(--ease), box-shadow 0.18s var(--ease), border-color 0.18s var(--ease);
}

.page-news .feed-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 6px;
  background: var(--bar, var(--orange-500));
}

.page-news .feed-item[data-tags="release"] {
  --bar: var(--orange-500);
}

.page-news .feed-item[data-tags="tech"] {
  --bar: var(--celadon-500);
}

.page-news .feed-item[data-tags="service"] {
  --bar: var(--amber);
}

.page-news .feed-item[data-tags="project"] {
  --bar: var(--celadon-700);
}

.page-news .feed-item:hover {
  transform: translateY(-2px);
  border-color: rgba(242, 115, 63, 0.42);
  box-shadow: var(--shadow-soft);
}

.page-news .feed-item[hidden] {
  display: none;
}

.page-news .feed-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}

.page-news .feed-tag {
  display: inline-flex;
  align-items: center;
  padding: 4px 12px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.04em;
  background: var(--orange-100);
  color: var(--ink-900);
}

.page-news .feed-item[data-tags="tech"] .feed-tag {
  background: rgba(78, 156, 138, 0.16);
  color: var(--celadon-700);
}

.page-news .feed-item[data-tags="service"] .feed-tag {
  background: rgba(255, 179, 92, 0.24);
  color: #7A4A12;
}

.page-news .feed-item[data-tags="project"] .feed-tag {
  background: rgba(47, 106, 94, 0.14);
  color: var(--celadon-700);
}

.page-news .feed-time {
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--ink-500);
}

.page-news .feed-title {
  margin: 0;
  font-size: clamp(17px, 1.6vw, 20px);
  line-height: 1.4;
  letter-spacing: -0.01em;
  font-weight: 800;
}

.page-news .feed-sum {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink-500);
  max-width: 60ch;
}

@media (min-width: 720px) {
  .page-news .feed-grid {
    grid-template-columns: repeat(12, 1fr);
    grid-auto-flow: dense;
    gap: 18px;
  }

  .page-news .feed-item {
    grid-column: span 12;
    padding: 24px 26px 24px 32px;
  }

  .page-news .feed-item--7 {
    grid-column: span 7;
  }

  .page-news .feed-item--5 {
    grid-column: span 5;
  }
}

/* ---------- 技术更新日志 ---------- */
.page-news .news-changelog {
  position: relative;
  overflow: hidden;
  padding: clamp(40px, 6vw, 82px) 0;
  background: var(--ink-900);
  color: var(--paper);
}

.page-news .news-changelog::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(232, 237, 244, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(232, 237, 244, 0.05) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
}

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

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

.page-news .news-changelog .section-title {
  color: var(--paper);
}

.page-news .news-changelog .lede {
  color: rgba(232, 237, 244, 0.74);
  max-width: 42ch;
}

.page-news .news-changelog .media-frame {
  margin: 26px 0 0;
  border: 1px solid rgba(232, 237, 244, 0.14);
  background: #0E2135;
}

.page-news .news-changelog .media-frame img {
  display: block;
  width: 100%;
  height: auto;
}

.page-news .changelog-more {
  margin: 22px 0 0;
}

.page-news .log-list {
  display: grid;
  gap: 10px;
}

.page-news .log-item {
  border: 1px solid rgba(232, 237, 244, 0.16);
  background: rgba(20, 43, 68, 0.62);
  transition: border-color 0.18s var(--ease), background 0.18s var(--ease);
}

.page-news .log-item:hover {
  border-color: rgba(242, 115, 63, 0.55);
  background: rgba(20, 43, 68, 0.82);
}

.page-news .log-head {
  margin: 0;
  font-size: inherit;
}

.page-news .log-item .accordion-trigger {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: baseline;
  gap: 6px 16px;
  width: 100%;
  padding: 18px 20px;
  background: transparent;
  border: 0;
  color: inherit;
  font: inherit;
  text-align: left;
  cursor: pointer;
}

.page-news .log-ver {
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--amber);
}

.page-news .log-name {
  font-size: clamp(16px, 1.6vw, 18px);
  font-weight: 700;
  letter-spacing: -0.01em;
}

.page-news .log-domains {
  grid-column: 2;
  font-size: 12px;
  letter-spacing: 0.04em;
  color: rgba(232, 237, 244, 0.56);
}

.page-news .log-panel {
  padding: 0 20px 20px 52px;
  font-size: 15px;
  line-height: 1.75;
  color: rgba(232, 237, 244, 0.76);
  max-width: 64ch;
}

/* ---------- 服务纪实 ---------- */
.page-news .news-service {
  padding: clamp(40px, 6vw, 82px) 0;
  background: linear-gradient(180deg, #FFFFFF 0%, var(--paper) 46%, #EFEBE3 100%);
}

.page-news .news-service .section-title {
  margin-bottom: 10px;
}

.page-news .news-service .lede {
  max-width: 46ch;
  margin-bottom: clamp(22px, 3vw, 32px);
}

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

.page-news .service-timeline .timeline-node {
  position: relative;
  padding: 0 0 26px 32px;
  border-left: 1px solid var(--news-line-strong);
}

.page-news .service-timeline .timeline-node:last-child {
  padding-bottom: 0;
}

.page-news .service-timeline .timeline-node::before {
  content: "";
  position: absolute;
  left: -5px;
  top: 6px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--orange-500);
  animation: news-pulse 2.6s var(--ease) infinite;
}

@keyframes news-pulse {
  0%,
  100% {
    box-shadow: 0 0 0 4px rgba(242, 115, 63, 0.2);
  }
  50% {
    box-shadow: 0 0 0 10px rgba(242, 115, 63, 0.05);
  }
}

.page-news .step-num {
  display: block;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--orange-500);
  margin-bottom: 4px;
}

.page-news .service-timeline .timeline-title {
  margin: 0 0 6px;
  font-size: clamp(17px, 1.7vw, 19px);
  font-weight: 800;
  letter-spacing: -0.01em;
}

.page-news .service-timeline .timeline-text {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink-500);
  max-width: 52ch;
}

.page-news .service-figure {
  margin: 26px 0 0;
  border: 1px solid var(--news-line);
  background: var(--ink-900);
}

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

@media (prefers-reduced-motion: reduce) {
  .page-news .service-timeline .timeline-node::before {
    animation: none;
  }
}

/* ---------- 项目案例 ---------- */
.page-news .news-cases {
  padding: clamp(40px, 6vw, 82px) 0;
  background: var(--paper);
}

.page-news .news-cases .section-head {
  margin-bottom: clamp(22px, 3vw, 34px);
}

.page-news .news-cases .lede {
  max-width: 54ch;
}

.page-news .case-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}

.page-news .case-lead {
  position: relative;
  background: var(--ink-900);
  color: var(--paper);
  overflow: hidden;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 22px), calc(100% - 22px) 100%, 0 100%);
}

.page-news .case-lead img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  opacity: 0.85;
}

.page-news .case-lead-body {
  padding: 24px 26px 32px;
}

.page-news .case-kicker {
  display: inline-block;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--amber);
}

.page-news .case-title {
  margin: 10px 0 8px;
  font-size: clamp(19px, 2.1vw, 23px);
  line-height: 1.32;
  letter-spacing: -0.02em;
  font-weight: 800;
}

.page-news .case-lead .case-text {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: rgba(232, 237, 244, 0.78);
  max-width: 48ch;
}

.page-news .case-stack {
  display: grid;
  gap: 12px;
}

.page-news .case-item {
  padding: 20px 22px 22px;
  background: var(--news-surface);
  border: 1px solid var(--news-line);
  border-top: 3px solid var(--celadon-500);
  transition: transform 0.18s var(--ease), box-shadow 0.18s var(--ease);
}

.page-news .case-stack .case-item:nth-child(2) {
  border-top-color: var(--orange-500);
}

.page-news .case-stack .case-item:nth-child(3) {
  border-top-color: var(--amber);
}

.page-news .case-item:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-soft);
}

.page-news .case-item .case-kicker {
  color: var(--celadon-700);
}

.page-news .case-item .case-title {
  font-size: 17px;
  color: var(--ink-900);
}

.page-news .case-item .case-text {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--ink-500);
}

@media (min-width: 980px) {
  .page-news .case-grid {
    grid-template-columns: 7fr 5fr;
    align-items: start;
    gap: 20px;
  }
}

/* ---------- 回溯与对接 ---------- */
.page-news .news-track {
  padding: clamp(40px, 6vw, 76px) 0 clamp(48px, 7vw, 92px);
  background:
    radial-gradient(80% 120% at 8% 0%, rgba(78, 156, 138, 0.14), transparent 60%),
    radial-gradient(70% 120% at 96% 100%, rgba(242, 115, 63, 0.14), transparent 62%),
    var(--paper);
}

.page-news .news-track .section-head {
  margin-bottom: clamp(22px, 3vw, 32px);
}

.page-news .news-track .lede {
  max-width: 56ch;
}

.page-news .track-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 44px);
}

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

.page-news .track-links a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 15px 2px;
  border-bottom: 1px solid var(--news-line);
  color: var(--ink-900);
  text-decoration: none;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: -0.01em;
  transition: color 0.18s var(--ease), padding-left 0.18s var(--ease);
}

.page-news .track-links a .mono {
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--ink-500);
}

.page-news .track-links a:hover {
  color: var(--orange-500);
  padding-left: 8px;
}

.page-news .track-actions {
  align-self: start;
  padding: 24px 24px 28px;
  background: var(--ink-900);
  color: var(--paper);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--cut)), calc(100% - var(--cut)) 100%, 0 100%);
}

.page-news .track-note {
  margin: 0 0 20px;
  font-size: 15px;
  line-height: 1.75;
  color: rgba(232, 237, 244, 0.76);
}

.page-news .track-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

@media (min-width: 860px) {
  .page-news .track-grid {
    grid-template-columns: 8fr 4fr;
    align-items: start;
  }
}

/* ---------- 窄屏兜底 ---------- */
@media (max-width: 480px) {
  .page-news .feed-item {
    padding: 20px 18px 20px 24px;
  }

  .page-news .log-item .accordion-trigger {
    padding: 16px 16px;
  }

  .page-news .log-panel {
    padding: 0 16px 18px 16px;
  }

  .page-news .track-buttons .btn {
    flex: 1 1 100%;
    justify-content: center;
  }
}
<<<END>>>