/* ============================================================
   行业观察 / page-news
   ============================================================ */

.page-news {
  --news-gap: 24px;
  --news-rule: var(--line);
}

/* --- 面包屑 --- */
.page-news .breadcrumb {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--muted);
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.page-news .breadcrumb a {
  color: var(--silver);
  text-decoration: none;
  transition: color var(--dur-fast) var(--ease);
}

.page-news .breadcrumb a:hover,
.page-news .breadcrumb a:focus-visible {
  color: var(--night);
}

.page-news .breadcrumb__sep {
  color: var(--line);
}

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

/* --- 首屏 --- */
.page-news .news-intro {
  position: relative;
  padding-top: 132px;
  padding-bottom: 76px;
  overflow: hidden;
}

.page-news .news-intro::before {
  content: "";
  position: absolute;
  top: -160px;
  right: -140px;
  width: 480px;
  height: 480px;
  border-radius: 50%;
  background: radial-gradient(circle at center, rgba(79, 166, 255, 0.16), transparent 62%);
  pointer-events: none;
}

.page-news .news-intro::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 38%;
  height: 1px;
  background: linear-gradient(90deg, var(--amber), transparent);
  opacity: 0.55;
  pointer-events: none;
}

.page-news .news-intro__grid {
  position: relative;
  align-items: end;
  row-gap: 44px;
}

.page-news .news-intro h1 {
  margin: 14px 0 0;
  font-size: clamp(30px, 4.8vw, 60px);
  line-height: 1.09;
  font-weight: 700;
  letter-spacing: -0.012em;
  color: var(--cold);
  overflow-wrap: break-word;
}

.page-news .news-intro .lede {
  margin: 24px 0 0;
  max-width: 60ch;
  font-size: 17px;
  line-height: 1.82;
  color: var(--silver);
}

.page-news .news-cadence {
  position: relative;
  border: 1px solid var(--line);
  border-radius: var(--r-m);
  background: linear-gradient(160deg, rgba(27, 33, 41, 0.94), rgba(8, 10, 13, 0.94));
  box-shadow: var(--shadow-card);
  padding: 28px 26px 22px;
  overflow: hidden;
}

.page-news .news-cadence::before {
  content: "";
  position: absolute;
  left: 26px;
  right: 26px;
  top: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--amber), transparent 78%);
}

.page-news .news-cadence__title {
  margin: 0 0 18px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-news .news-cadence__list {
  margin: 0;
  display: grid;
}

.page-news .news-cadence__row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-news .news-cadence__row:last-child {
  border-bottom: 0;
  padding-bottom: 4px;
}

.page-news .news-cadence__row dt {
  font-size: 13px;
  color: var(--muted);
  letter-spacing: 0.02em;
}

.page-news .news-cadence__row dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--cold);
  font-variant-numeric: tabular-nums;
  text-align: right;
}

/* --- 通用区块标题 --- */
.page-news .news-head {
  max-width: 68ch;
  margin-bottom: 46px;
}

.page-news .news-head h2 {
  margin: 12px 0 0;
  font-size: clamp(24px, 3.1vw, 36px);
  line-height: 1.2;
  font-weight: 700;
  letter-spacing: -0.006em;
  color: var(--cold);
}

.page-news .news-head__note {
  margin: 15px 0 0;
  font-size: 15px;
  line-height: 1.82;
  color: var(--silver);
  max-width: 62ch;
}

.page-news .news-head--split {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 0.8fr);
  gap: 20px 56px;
  align-items: end;
  max-width: none;
}

.page-news .news-head--split .news-head__note {
  margin-top: 0;
}

/* --- 专题索引 --- */
.page-news .topic-index {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--news-rule);
}

.page-news .topic-index__item {
  display: grid;
  grid-template-columns: 76px minmax(0, 1fr) auto;
  gap: 22px 34px;
  align-items: baseline;
  padding: 30px 6px;
  border-bottom: 1px solid var(--news-rule);
  transition: background var(--dur-base) var(--ease), box-shadow var(--dur-base) var(--ease);
}

.page-news .topic-index__item:hover {
  background: linear-gradient(90deg, rgba(227, 167, 58, 0.07), transparent 62%);
  box-shadow: inset 2px 0 0 var(--amber);
}

.page-news .topic-index__no {
  font-size: 14px;
  letter-spacing: 0.14em;
  color: var(--amber);
}

.page-news .topic-index__title {
  margin: 0 0 9px;
  font-size: 20px;
  font-weight: 600;
  letter-spacing: 0.01em;
  color: var(--cold);
}

.page-news .topic-index__desc {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--silver);
  max-width: 68ch;
}

.page-news .topic-index__count {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--muted);
  white-space: nowrap;
}

/* --- 标签页 --- */
.page-news .news-tabs {
  margin-top: 4px;
}

.page-news .news-tabs .tab-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding-bottom: 22px;
  border-bottom: 1px solid var(--news-rule);
  margin-bottom: 10px;
}

.page-news .news-tabs .tab {
  appearance: none;
  -webkit-appearance: none;
  border: 1px solid var(--line);
  border-radius: var(--r-pill);
  background: transparent;
  color: var(--silver);
  font-family: var(--font-body);
  font-size: 14px;
  letter-spacing: 0.02em;
  padding: 9px 20px;
  cursor: pointer;
  transition: color var(--dur-fast) var(--ease),
    border-color var(--dur-fast) var(--ease),
    background var(--dur-fast) var(--ease);
}

.page-news .news-tabs .tab:hover {
  color: var(--cold);
  border-color: var(--silver);
}

.page-news .news-tabs .tab[aria-selected="true"] {
  background: rgba(227, 167, 58, 0.14);
  border-color: var(--amber);
  color: var(--amber);
}

.page-news .news-tabs .tab:focus-visible {
  outline: 2px solid var(--night);
  outline-offset: 2px;
}

.page-news .news-tabs .tab-panel {
  display: none;
  padding-top: 14px;
}

.page-news .news-tabs .tab-panel.is-active {
  display: block;
}

.page-news .news-tabs .tab-panel:focus-visible {
  outline: 2px solid var(--night);
  outline-offset: 6px;
}

/* --- 条目流 --- */
.page-news .entry-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-news .entry {
  padding: 30px 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-news .entry:last-child {
  border-bottom: 0;
  padding-bottom: 6px;
}

.page-news .entry--feature {
  display: grid;
  grid-template-columns: minmax(0, 0.96fr) minmax(0, 1.04fr);
  gap: 44px;
  align-items: center;
  padding: 34px 0 42px;
  border-bottom: 1px solid var(--news-rule);
}

.page-news .entry__media {
  margin: 0;
  position: relative;
}

.page-news .entry__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-bottom: 15px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.page-news .entry__time,
.page-news .entry__when {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.page-news .entry__time::before,
.page-news .entry__when::before {
  content: "";
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: var(--line);
}

.page-news .entry__title {
  margin: 0;
  font-size: 19px;
  line-height: 1.48;
  font-weight: 600;
  letter-spacing: 0.005em;
  color: var(--cold);
  overflow-wrap: break-word;
}

.page-news .entry--feature .entry__title {
  font-size: clamp(22px, 2.5vw, 30px);
  line-height: 1.32;
}

.page-news .entry__excerpt {
  margin: 13px 0 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--silver);
  max-width: 62ch;
}

.page-news .entry__link {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin-top: 18px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.05em;
  color: var(--night);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  padding-bottom: 2px;
  transition: color var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease);
}

.page-news .entry__link::after {
  content: "→";
  transition: transform var(--dur-fast) var(--ease);
}

.page-news .entry__link:hover,
.page-news .entry__link:focus-visible {
  color: var(--cold);
  border-bottom-color: var(--amber);
}

.page-news .entry__link:hover::after {
  transform: translateX(3px);
}

/* --- 保养周期日历 --- */
.page-news .cycle-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--r-m);
  overflow: hidden;
}

.page-news .cycle-cell {
  background: var(--panel);
  padding: 26px 22px 30px;
  transition: background var(--dur-base) var(--ease);
}

.page-news .cycle-cell:hover {
  background: var(--panel-alt);
}

.page-news .cycle-cell__season {
  margin: 0 0 14px;
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--cyan);
}

.page-news .cycle-cell__title {
  margin: 0 0 11px;
  font-size: 17px;
  font-weight: 600;
  color: var(--cold);
}

.page-news .cycle-cell__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--silver);
}

.page-news .cycle-note {
  margin: 24px 0 0;
  padding-left: 18px;
  border-left: 2px solid var(--line);
  font-size: 13.5px;
  line-height: 1.82;
  color: var(--muted);
  max-width: 78ch;
}

/* --- 版本与标准更新 --- */
.page-news .standards-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.04fr) minmax(0, 0.96fr);
  gap: 56px;
  align-items: start;
}

.page-news .standards-grid .news-head {
  margin-bottom: 28px;
}

.page-news .standards-grid__media {
  margin: 0;
}

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

.page-news .standard-list li {
  position: relative;
  padding: 14px 0 14px 28px;
  border-bottom: 1px solid var(--line-soft);
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--silver);
}

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

.page-news .standard-list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 24px;
  width: 10px;
  height: 1px;
  background: var(--amber);
}

/* --- 读者提问 --- */
.page-news .ask-grid {
  row-gap: 44px;
}

.page-news .news-ask h2 {
  margin: 12px 0 0;
  font-size: clamp(24px, 3.1vw, 34px);
  line-height: 1.2;
  font-weight: 700;
  color: var(--cold);
}

.page-news .news-ask .prose__lead {
  margin: 18px 0 0;
  font-size: 15px;
  line-height: 1.82;
  color: var(--silver);
  max-width: 46ch;
}

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

.page-news .ask-accordion {
  border-top: 1px solid var(--news-rule);
}

.page-news .ask-accordion .accordion__item {
  border-bottom: 1px solid var(--news-rule);
}

.page-news .ask-accordion .accordion__trigger {
  position: relative;
  width: 100%;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
  padding: 21px 16px 21px 18px;
  background: transparent;
  border: 0;
  text-align: left;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.58;
  font-weight: 500;
  color: var(--cold);
  cursor: pointer;
  transition: color var(--dur-fast) var(--ease);
}

.page-news .ask-accordion .accordion__trigger::before {
  content: "";
  position: absolute;
  left: 0;
  top: 14px;
  bottom: 14px;
  width: 2px;
  background: transparent;
  transition: background var(--dur-fast) var(--ease);
}

.page-news .ask-accordion .accordion__item[data-open] .accordion__trigger::before,
.page-news .ask-accordion .accordion__trigger[aria-expanded="true"]::before {
  background: var(--amber);
}

.page-news .ask-accordion .accordion__trigger::after {
  content: "+";
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1.2;
  color: var(--muted);
  transition: color var(--dur-fast) var(--ease);
}

.page-news .ask-accordion .accordion__item[data-open] .accordion__trigger::after,
.page-news .ask-accordion .accordion__trigger[aria-expanded="true"]::after {
  content: "−";
  color: var(--amber);
}

.page-news .ask-accordion .accordion__trigger:hover {
  color: var(--amber);
}

.page-news .ask-accordion .accordion__trigger:focus-visible {
  outline: 2px solid var(--night);
  outline-offset: -2px;
}

.page-news .ask-accordion .accordion__panel {
  padding: 0 60px 22px 18px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--silver);
}

.page-news .ask-accordion .accordion__panel p {
  margin: 0 0 10px;
}

.page-news .ask-accordion .accordion__panel p:last-child {
  margin-bottom: 0;
}

.page-news .ask-accordion .accordion__panel a {
  color: var(--night);
  text-decoration: none;
  border-bottom: 1px solid rgba(79, 166, 255, 0.35);
  transition: color var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease);
}

.page-news .ask-accordion .accordion__panel a:hover,
.page-news .ask-accordion .accordion__panel a:focus-visible {
  color: var(--cold);
  border-bottom-color: var(--amber);
}

/* --- 图片容器微调 --- */
.page-news .media-frame__caption {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
}

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

/* ============================================================
   响应式
   ============================================================ */

@media (max-width: 1080px) {
  .page-news .news-intro {
    padding-top: 112px;
    padding-bottom: 60px;
  }

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

  .page-news .news-head--split .news-head__note {
    margin-top: 14px;
  }

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

  .page-news .standards-grid {
    grid-template-columns: minmax(0, 1fr);
    gap: 34px;
  }

  .page-news .standards-grid__media {
    order: -1;
  }
}

@media (max-width: 820px) {
  .page-news .entry--feature {
    grid-template-columns: minmax(0, 1fr);
    gap: 26px;
    padding: 28px 0 34px;
  }

  .page-news .topic-index__item {
    grid-template-columns: 52px minmax(0, 1fr);
    gap: 8px 16px;
    padding: 24px 4px;
  }

  .page-news .topic-index__no {
    grid-column: 1;
    grid-row: 1;
  }

  .page-news .topic-index__body {
    grid-column: 2;
  }

  .page-news .topic-index__count {
    grid-column: 2;
  }

  .page-news .news-intro::before {
    width: 320px;
    height: 320px;
    top: -110px;
    right: -110px;
  }
}

@media (max-width: 640px) {
  .page-news .news-intro {
    padding-top: 96px;
    padding-bottom: 46px;
  }

  .page-news .news-intro h1 {
    font-size: clamp(27px, 8vw, 36px);
  }

  .page-news .news-intro .lede {
    font-size: 15.5px;
  }

  .page-news .news-cadence {
    padding: 24px 20px 18px;
  }

  .page-news .news-cadence::before {
    left: 20px;
    right: 20px;
  }

  .page-news .news-cadence__row {
    flex-wrap: wrap;
    gap: 4px;
  }

  .page-news .news-cadence__row dd {
    text-align: left;
  }

  .page-news .news-head {
    margin-bottom: 32px;
  }

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

  .page-news .news-tabs .tab {
    font-size: 13px;
    padding: 8px 15px;
  }

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

  .page-news .entry--feature .entry__title {
    font-size: 21px;
  }

  .page-news .entry__excerpt {
    font-size: 14px;
  }

  .page-news .ask-accordion .accordion__trigger {
    font-size: 15px;
    padding: 18px 12px 18px 16px;
    gap: 16px;
  }

  .page-news .ask-accordion .accordion__panel {
    padding: 0 24px 20px 16px;
  }

  .page-news .cycle-note {
    padding-left: 14px;
    font-size: 13px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .topic-index__item,
  .page-news .cycle-cell,
  .page-news .entry__link,
  .page-news .entry__link::after {
    transition: none;
  }
}
<<<END>>>