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

/* ---------- 页头 ---------- */
.page-news .news-head {
  background: linear-gradient(180deg, var(--sand-light) 0%, var(--paper) 100%);
  border-bottom: 1px solid var(--line);
  padding: 26px 0 42px;
}

.page-news .crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--slate);
  margin-bottom: 28px;
}

.page-news .crumbs a {
  color: var(--xq-ink);
  text-decoration: none;
}

.page-news .crumbs a:hover {
  text-decoration: underline;
  text-underline-offset: 3px;
}

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

.page-news .news-head-grid {
  display: grid;
  gap: 26px;
}

.page-news .eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--xq-ink);
  margin: 0;
}

.page-news .page-title {
  font-family: var(--font-serif);
  font-weight: 800;
  font-size: clamp(32px, 5.4vw, 56px);
  line-height: 1.15;
  letter-spacing: -0.01em;
  margin: 12px 0 0;
}

.page-news .page-lead {
  font-size: 17px;
  line-height: 1.85;
  color: var(--slate);
  margin: 0 0 22px;
  max-width: 34em;
}

.page-news .news-stat {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 30px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-news .news-stat li {
  display: flex;
  align-items: baseline;
  gap: 7px;
  font-size: 13px;
  color: var(--slate);
}

.page-news .news-stat b {
  font-family: var(--font-mono);
  font-size: 20px;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--xq-deep);
}

/* ---------- 头图 ---------- */
.page-news .news-hero {
  margin: 30px 0 0;
}

.page-news .news-hero img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  aspect-ratio: 1400 / 600;
  object-fit: cover;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.page-news .media__caption {
  display: block;
  margin-top: 8px;
  font-size: 13px;
  color: var(--slate);
}

/* ---------- 锚点导航 ---------- */
.page-news .news-anchors {
  position: sticky;
  top: 0;
  z-index: 20;
  margin-top: 32px;
  background: rgba(251, 250, 247, 0.95);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(8px);
}

.page-news .news-anchor-list {
  display: flex;
  gap: 4px;
  list-style: none;
  margin: 0;
  padding: 0;
  overflow-x: auto;
  scrollbar-width: none;
}

.page-news .news-anchor-list::-webkit-scrollbar {
  display: none;
}

.page-news .news-anchor-list li {
  flex: 0 0 auto;
}

.page-news .anchor-link {
  display: block;
  padding: 14px 14px 12px;
  font-size: 14px;
  font-weight: 600;
  white-space: nowrap;
  color: var(--slate);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-news .anchor-link:hover {
  color: var(--xq-ink);
}

.page-news .anchor-link[aria-current="true"] {
  color: var(--xq-deep);
  border-bottom-color: var(--xq);
}

/* ---------- 区块骨架 ---------- */
.page-news .news-section {
  padding: 52px 0;
  border-bottom: 1px solid var(--line);
}

.page-news .news-section:last-of-type {
  border-bottom: 0;
}

.page-news .section-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 14px;
  margin: 0 0 12px;
}

.page-news .section-num {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--xq-ink);
}

.page-news .section-head h2 {
  font-family: var(--font-serif);
  font-size: clamp(22px, 3vw, 32px);
  font-weight: 800;
  line-height: 1.25;
  margin: 0;
}

.page-news .news-note {
  font-size: 15px;
  line-height: 1.8;
  color: var(--slate);
  max-width: 46em;
  margin: 0 0 32px;
}

/* ---------- 栏目标签 ---------- */
.page-news .news-tag {
  align-self: flex-start;
  display: inline-block;
  padding: 3px 11px;
  border-radius: 999px;
  background: var(--xq);
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.04em;
}

/* ---------- 01 本期看点 ---------- */
.page-news .news-section--lead {
  background: var(--xq-deep);
  color: var(--paper);
  border-bottom-color: var(--xq-deep);
}

.page-news .news-section--lead h2 {
  color: var(--paper);
}

.page-news .news-section--lead .section-num {
  color: var(--sand);
}

.page-news .news-section--lead .news-note {
  color: var(--xq-light);
}

.page-news .news-section--lead .news-tag {
  background: var(--sand);
  color: var(--ink);
}

.page-news .news-lead-grid {
  display: grid;
  gap: 16px;
}

.page-news .news-lead-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 24px 22px;
  border: 1px solid rgba(168, 211, 218, 0.32);
  border-radius: var(--radius);
  background: rgba(251, 250, 247, 0.05);
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-news .news-lead-card:first-child {
  background: rgba(251, 250, 247, 0.1);
}

.page-news .news-lead-card:hover {
  transform: translateY(-2px);
  border-color: var(--xq-light);
}

.page-news .news-lead-card h3 {
  font-family: var(--font-sans);
  font-size: 19px;
  font-weight: 700;
  line-height: 1.42;
  margin: 0;
  color: var(--paper);
}

.page-news .news-lead-card:first-child h3 {
  font-size: clamp(20px, 2.6vw, 26px);
}

.page-news .news-lead-card p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--xq-light);
}

.page-news .news-lead-card .meta {
  margin-top: auto;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.02em;
  color: var(--sand);
}

/* ---------- 02 / 04 双栏 ---------- */
.page-news .news-split {
  display: grid;
  gap: 34px;
}

.page-news .news-split-side {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.page-news .aside-note {
  border-left: 2px solid var(--xq-light);
  padding-left: 14px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--slate);
}

.page-news .aside-note p {
  margin: 0;
}

.page-news .news-side-link {
  margin: 0;
}

.page-news .news-side-link a {
  font-size: 14px;
  font-weight: 600;
  color: var(--xq-ink);
  text-decoration: none;
}

.page-news .news-side-link a:hover {
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 首条大导读 ---------- */
.page-news .news-feature {
  margin: 0 0 6px;
}

.page-news .news-feature-figure,
.page-news .news-case-figure,
.page-news .news-notice-figure {
  margin: 0 0 20px;
}

.page-news .news-feature-figure img,
.page-news .news-case-figure img,
.page-news .news-notice-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.page-news .news-feature-figure img,
.page-news .news-case-figure img {
  aspect-ratio: 900 / 560;
}

.page-news .news-notice-figure img {
  aspect-ratio: 800 / 500;
}

.page-news .news-feature-body {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.page-news .news-feature-body h3 {
  font-family: var(--font-sans);
  font-size: clamp(19px, 2.4vw, 24px);
  font-weight: 700;
  line-height: 1.42;
  margin: 0;
}

.page-news .news-feature-body p {
  margin: 0;
  font-size: 16px;
  line-height: 1.85;
  color: var(--slate);
}

/* ---------- 目录式列表 ---------- */
.page-news .news-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-news .news-list > li {
  border-bottom: 1px solid var(--line);
}

.page-news .news-list > li:first-child {
  border-top: 1px solid var(--line);
}

.page-news .index-item {
  display: grid;
  gap: 5px;
  padding: 16px 12px 16px 14px;
  border-left: 2px solid transparent;
  text-decoration: none;
  color: inherit;
  transition: border-color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.page-news a.index-item:hover {
  border-left-color: var(--xq);
  background: var(--sand-light);
}

.page-news .index-num {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--xq-ink);
}

.page-news .index-title {
  font-size: 16px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--ink);
}

.page-news .index-desc {
  font-size: 14px;
  line-height: 1.75;
  color: var(--slate);
}

.page-news .news-list > li:nth-child(n + 4) .index-item {
  padding-top: 12px;
  padding-bottom: 12px;
}

.page-news .news-list > li:nth-child(n + 4) .index-title {
  font-size: 15px;
}

.page-news .news-list > li:nth-child(n + 4) .index-desc {
  font-size: 13px;
}

/* ---------- 03 案例专题 ---------- */
.page-news .news-section--sand {
  background: var(--sand-light);
}

.page-news .news-case {
  display: grid;
  gap: 20px;
  margin: 0 0 32px;
}

.page-news .news-case-body {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.page-news .news-case-body h3 {
  font-family: var(--font-serif);
  font-size: clamp(22px, 3vw, 30px);
  font-weight: 800;
  line-height: 1.3;
  margin: 0;
}

.page-news .news-case-body p {
  margin: 0;
  font-size: 16px;
  line-height: 1.85;
  color: var(--slate);
}

.page-news .news-more {
  border-top: 1px solid var(--line);
  padding-top: 12px;
}

.page-news .news-more summary {
  display: flex;
  align-items: center;
  gap: 9px;
  cursor: pointer;
  list-style: none;
  font-size: 14px;
  font-weight: 600;
  color: var(--xq-ink);
}

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

.page-news .news-more summary::before {
  content: "＋";
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  border: 1px solid var(--xq-light);
  border-radius: 50%;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--xq-ink);
}

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

.page-news .news-more ul {
  margin: 12px 0 0;
  padding-left: 20px;
}

.page-news .news-more li {
  font-size: 14px;
  line-height: 1.8;
  color: var(--slate);
  margin-bottom: 6px;
}

/* ---------- 05 更新节奏 ---------- */
.page-news .news-section--closing {
  background: linear-gradient(140deg, var(--xq-deep) 0%, var(--xq) 78%);
  color: var(--paper);
  border-bottom: 0;
}

.page-news .news-section--closing h2 {
  color: var(--paper);
}

.page-news .news-section--closing .section-num {
  color: var(--sand);
}

.page-news .news-rhythm {
  display: grid;
  gap: 18px;
  margin-top: 28px;
}

.page-news .news-rhythm-item {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding-top: 18px;
  border-top: 1px solid rgba(168, 211, 218, 0.4);
}

.page-news .news-rhythm-num {
  font-family: var(--font-mono);
  font-size: 30px;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--sand);
}

.page-news .news-rhythm-item h3 {
  margin: 0;
  font-size: 16px;
  font-weight: 700;
  color: var(--paper);
}

.page-news .news-rhythm-item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--xq-light);
}

.page-news .news-closing-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.page-news .news-section--closing .btn--primary {
  background: var(--paper);
  color: var(--xq-deep);
  border-color: var(--paper);
}

.page-news .news-section--closing .btn--ghost {
  background: transparent;
  color: var(--paper);
  border-color: rgba(251, 250, 247, 0.55);
}

.page-news .news-closing-note {
  margin: 22px 0 0;
  font-size: 14px;
  line-height: 1.9;
  color: var(--xq-light);
}

.page-news .news-closing-note a {
  color: var(--sand);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 移动端 ---------- */
@media (max-width: 640px) {
  .page-news .news-hero img {
    aspect-ratio: 4 / 3;
  }

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

  .page-news .news-stat {
    gap: 10px 20px;
  }
}

/* ---------- 平板及以上 ---------- */
@media (min-width: 720px) {
  .page-news .index-item {
    grid-template-columns: 116px minmax(0, 1fr);
    column-gap: 22px;
    align-items: baseline;
  }

  .page-news .index-num {
    grid-column: 1;
    grid-row: 1 / span 2;
    align-self: start;
    padding-top: 2px;
  }

  .page-news .index-title {
    grid-column: 2;
    grid-row: 1;
  }

  .page-news .index-desc {
    grid-column: 2;
    grid-row: 2;
  }
}

@media (min-width: 860px) {
  .page-news .news-lead-grid {
    grid-template-columns: 1.35fr 1fr 1fr;
    gap: 20px;
    align-items: stretch;
  }

  .page-news .news-rhythm {
    grid-template-columns: repeat(3, 1fr);
    gap: 26px;
  }
}

@media (min-width: 900px) {
  .page-news .news-head-grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
    gap: 48px;
    align-items: end;
  }

  .page-news .news-section {
    padding: 74px 0;
  }

  .page-news .news-case {
    grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
    gap: 40px;
    align-items: start;
  }
}

@media (min-width: 980px) {
  .page-news .news-split {
    grid-template-columns: minmax(0, 7fr) minmax(0, 3fr);
    gap: 56px;
  }
}