/* ===== 趋势观察 /trends/ ===== */
.page-news {
  --w: 0%;
  --news-line: rgba(42, 51, 80, 0.24);
  --news-line-inv: rgba(255, 255, 255, 0.16);
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-display);
}

.page-news .news-stripe {
  height: 6px;
  background: linear-gradient(90deg, var(--crimson) 0%, var(--sun) 42%, var(--gold) 68%, var(--cyan) 100%);
}

/* ---------- 面包屑 ---------- */
.page-news .news-crumb {
  padding: 16px 0 0;
}

.page-news .news-crumb .breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--dim);
}

.page-news .news-crumb .breadcrumb li + li::before {
  content: "/ ";
  color: var(--grid);
}

.page-news .news-crumb .breadcrumb a {
  color: var(--sun);
  text-decoration: none;
}

.page-news .news-crumb .breadcrumb a:hover,
.page-news .news-crumb .breadcrumb a:focus-visible {
  text-decoration: underline;
}

.page-news .news-crumb .breadcrumb [aria-current="page"] {
  color: var(--dim);
}

/* ---------- 首屏 ---------- */
.page-news .news-masthead {
  position: relative;
  overflow: hidden;
  margin-top: 16px;
  padding: 46px 0 50px;
  background: var(--deep);
  color: var(--paper);
}

.page-news .news-masthead::before {
  content: "";
  position: absolute;
  top: -190px;
  right: -140px;
  width: 520px;
  height: 520px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 122, 26, 0.5) 0%, rgba(255, 122, 26, 0) 66%);
  pointer-events: none;
}

.page-news .news-masthead::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(90deg, rgba(42, 51, 80, 0.65) 0 1px, transparent 1px 76px);
  pointer-events: none;
}

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

.page-news .eyebrow {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--cyan);
}

.page-news .news-masthead h1 {
  margin: 14px 0 18px;
  max-width: 20ch;
  font-size: clamp(30px, 5.6vw, 56px);
  font-weight: 900;
  line-height: 1.05;
  letter-spacing: -0.02em;
}

.page-news .news-masthead .lead {
  max-width: 60ch;
  margin: 0;
  font-size: 16px;
  line-height: 1.85;
  color: var(--mist);
}

.page-news .masthead-facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px 20px;
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid var(--grid);
}

.page-news .fact-num {
  display: block;
  font-family: var(--font-mono);
  font-size: 26px;
  font-weight: 700;
  line-height: 1;
  color: var(--sun);
}

.page-news .fact-label {
  display: block;
  margin-top: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--dim);
}

/* ---------- 章节导航带 ---------- */
.page-news .topic-band {
  background: var(--ink);
  border-bottom: 1px solid var(--grid);
}

.page-news .topic-scroll {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding: 14px 0;
  scrollbar-width: none;
}

.page-news .topic-scroll::-webkit-scrollbar {
  display: none;
}

.page-news .topic-link {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 9px 15px;
  border: 1px solid var(--grid);
  color: var(--mist);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-decoration: none;
  white-space: nowrap;
  transition: color 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}

.page-news .topic-link .topic-num {
  color: var(--sun);
}

.page-news .topic-link:hover,
.page-news .topic-link:focus-visible {
  background: var(--cyan);
  border-color: var(--cyan);
  color: var(--ink);
}

.page-news .topic-link:hover .topic-num,
.page-news .topic-link:focus-visible .topic-num {
  color: var(--crimson);
}

/* ---------- 章节框架 ---------- */
.page-news .chapter {
  padding: 54px 0;
  border-top: 1px solid var(--news-line);
}

.page-news .chapter-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 12px 18px;
  margin-bottom: 28px;
}

.page-news .chapter-num {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.22em;
  color: var(--sun);
}

.page-news .chapter-title {
  margin: 0;
  font-size: clamp(22px, 3.4vw, 34px);
  font-weight: 900;
  line-height: 1.22;
  letter-spacing: -0.01em;
}

.page-news .news-prose {
  max-width: 68ch;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--deep);
}

.page-news .news-prose p {
  margin: 0 0 14px;
}

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

.page-news .news-figure {
  margin: 0 0 26px;
}

.page-news .news-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  background: var(--deep-2);
}

.page-news .news-figure .media-caption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--dim);
}

/* ---------- 01 本期焦点 ---------- */
.page-news .focus-grid {
  display: grid;
  gap: 1px;
  margin-top: 26px;
  background: var(--news-line);
  border: 1px solid var(--news-line);
}

.page-news .focus-cell {
  background: var(--paper);
  padding: 24px 20px;
}

.page-news .cell-key {
  display: block;
  margin-bottom: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--sun);
}

.page-news .focus-cell h3 {
  margin: 0 0 10px;
  font-size: 16.5px;
  font-weight: 800;
  line-height: 1.4;
}

.page-news .focus-cell p {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--deep);
}

/* ---------- 02 版本迭代 ---------- */
.page-news .version-list {
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--news-line);
}

.page-news .version-row {
  display: grid;
  gap: 10px;
  padding: 22px 12px;
  border-bottom: 1px solid var(--news-line);
  transition: background 0.25s ease;
}

.page-news .version-row:hover {
  background: linear-gradient(90deg, rgba(255, 122, 26, 0.12), rgba(255, 122, 26, 0) 72%);
}

.page-news .version-code {
  justify-self: start;
  align-self: start;
  padding: 5px 10px;
  background: var(--deep);
  color: var(--gold);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
}

.page-news .version-time {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--sun);
}

.page-news .version-body h3 {
  margin: 0 0 8px;
  font-size: 17px;
  font-weight: 800;
  line-height: 1.42;
}

.page-news .version-body p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--deep);
}

/* ---------- 03 厂商专题（深空蓝章节） ---------- */
.page-news .chapter--deep {
  background: var(--deep);
  border-top-color: transparent;
  color: var(--paper);
}

.page-news .chapter--deep .chapter-title {
  color: var(--paper);
}

.page-news .chapter--deep .news-prose {
  color: var(--mist);
}

.page-news .chapter--deep .news-figure .media-caption {
  color: var(--mist);
}

.page-news .vendor-layout {
  display: grid;
  gap: 28px;
}

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

.page-news .chapter--deep .feed-list {
  border-top-color: var(--news-line-inv);
}

.page-news .feed-item {
  display: grid;
  gap: 10px;
  padding: 22px 12px;
  border-bottom: 1px solid var(--news-line);
  transition: background 0.25s ease;
}

.page-news .chapter--deep .feed-item {
  border-bottom-color: var(--news-line-inv);
}

.page-news .feed-item:hover {
  background: linear-gradient(90deg, rgba(255, 122, 26, 0.13), rgba(255, 122, 26, 0) 72%);
}

.page-news .feed-index {
  align-self: start;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--sun);
}

.page-news .feed-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 10px;
}

.page-news .feed-pill {
  padding: 3px 9px;
  border: 1px solid currentColor;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--crimson);
}

.page-news .chapter--deep .feed-pill {
  color: var(--cyan);
}

.page-news .feed-body h3 {
  margin: 0 0 8px;
  font-size: 17px;
  font-weight: 800;
  line-height: 1.4;
}

.page-news .feed-body p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--deep);
}

.page-news .chapter--deep .feed-body p {
  color: var(--mist);
}

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

/* ---------- 04 标签收录进度 ---------- */
.page-news .tag-total {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px 20px;
  margin-bottom: 28px;
  padding-bottom: 22px;
  border-bottom: 1px solid var(--news-line);
}

.page-news .total-num {
  font-family: var(--font-mono);
  font-size: 48px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--sun);
}

.page-news .total-label {
  max-width: 46ch;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--deep);
}

.page-news .tag-meter {
  display: grid;
  gap: 14px;
  margin: 0 0 30px;
  padding: 0;
  list-style: none;
}

.page-news .meter-row {
  display: grid;
  grid-template-columns: 64px minmax(0, 1fr) 44px;
  align-items: center;
  gap: 12px;
}

.page-news .meter-name {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--deep);
}

.page-news .meter-track {
  display: block;
  height: 10px;
  background: rgba(42, 51, 80, 0.14);
}

.page-news .meter-fill {
  display: block;
  height: 100%;
  width: var(--w);
  background: linear-gradient(90deg, var(--gold), var(--sun));
}

.page-news .meter-value {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  text-align: right;
  color: var(--sun);
}

/* ---------- 05 栏目翻新观察 ---------- */
.page-news .shift-grid {
  display: grid;
  gap: 1px;
  margin-top: 26px;
  background: var(--news-line);
  border: 1px solid var(--news-line);
}

.page-news .shift-cell {
  background: var(--paper);
  padding: 24px 20px;
}

.page-news .shift-key {
  display: block;
  margin-bottom: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--crimson);
}

.page-news .shift-cell h3 {
  margin: 0 0 10px;
  font-size: 16.5px;
  font-weight: 800;
  line-height: 1.4;
}

.page-news .shift-cell p {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--deep);
}

/* ---------- 06 继续前往（近黑章节） ---------- */
.page-news .chapter--ink {
  background: var(--ink);
  border-top-color: transparent;
  color: var(--paper);
  padding-bottom: 64px;
}

.page-news .chapter--ink .chapter-title {
  color: var(--paper);
}

.page-news .chapter--ink .news-prose {
  color: var(--mist);
}

.page-news .route-grid {
  display: grid;
  gap: 16px;
  margin-top: 28px;
}

.page-news .route-card {
  display: block;
  padding: 26px 22px 22px;
  border: 1px solid var(--grid);
  background: linear-gradient(150deg, rgba(19, 26, 61, 0.95), rgba(10, 10, 15, 0.95));
  color: var(--paper);
  text-decoration: none;
  transition: border-color 0.25s ease, transform 0.25s ease;
}

.page-news .route-card:hover,
.page-news .route-card:focus-visible {
  border-color: var(--sun);
  transform: translateY(-3px);
}

.page-news .route-num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--cyan);
}

.page-news .route-card h3 {
  margin: 14px 0 10px;
  font-size: 18px;
  font-weight: 900;
  line-height: 1.36;
}

.page-news .route-card p {
  margin: 0 0 18px;
  font-size: 14px;
  line-height: 1.78;
  color: var(--mist);
}

.page-news .route-go {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--sun);
}

/* ---------- 渐进增强 ---------- */
.page-news [data-reveal] {
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.page-news [data-reveal].is-in {
  opacity: 1;
  transform: none;
}

.page-news .meter-value,
.page-news .fact-num {
  font-variant-numeric: tabular-nums;
}

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

  .page-news .feed-item {
    grid-template-columns: 84px minmax(0, 1fr);
    gap: 18px;
    padding: 24px 16px;
  }
}

@media (min-width: 760px) {
  .page-news .chapter-head {
    display: grid;
    grid-template-columns: 78px minmax(0, 1fr);
    gap: 16px;
  }

  .page-news .version-row {
    grid-template-columns: 150px minmax(0, 1fr);
    gap: 20px;
    padding: 22px 16px;
  }
}

@media (min-width: 780px) {
  .page-news .focus-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 820px) {
  .page-news .shift-grid,
  .page-news .route-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-news .vendor-layout {
    grid-template-columns: minmax(0, 1fr) 300px;
    align-items: start;
  }
}

@media (max-width: 640px) {
  .page-news .news-masthead {
    padding: 34px 0 38px;
  }

  .page-news .chapter {
    padding: 40px 0;
  }

  .page-news .version-row,
  .page-news .feed-item {
    padding-left: 0;
    padding-right: 0;
  }

  .page-news .focus-cell,
  .page-news .shift-cell {
    padding: 20px 16px;
  }

  .page-news .meter-row {
    grid-template-columns: 54px minmax(0, 1fr) 38px;
    gap: 8px;
  }

  .page-news .total-num {
    font-size: 38px;
  }

  .page-news .route-card {
    padding: 22px 18px 20px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news *,
  .page-news *::before,
  .page-news *::after {
    transition: none !important;
    animation: none !important;
  }

  .page-news .route-card:hover,
  .page-news .route-card:focus-visible {
    transform: none;
  }
}