/* ============================================================
   观察报告 /reports/  —  作用域 .page-news
   ============================================================ */

.page-news {
  --news-line: 1px solid var(--line);
  --news-pad: 18px;
  --news-gap: 20px;
  display: block;
}

@media (min-width: 760px) {
  .page-news {
    --news-pad: 28px;
    --news-gap: 28px;
  }
}

/* ---------- 面包屑 ---------- */
.page-news .breadcrumb {
  padding-top: 22px;
}

/* ---------- 章节节奏 ---------- */
.page-news .section {
  padding: 44px 0;
}

.page-news .section--close {
  padding-bottom: 72px;
}

@media (min-width: 760px) {
  .page-news .section {
    padding: 62px 0;
  }
  .page-news .section--close {
    padding-bottom: 96px;
  }
}

.page-news .section__lead {
  max-width: 68ch;
}

/* ============================================================
   首屏
   ============================================================ */
.page-news .news-hero {
  padding: 8px 0 40px;
}

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

@media (min-width: 1000px) {
  .page-news .news-hero__inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 44px;
    align-items: start;
  }
}

.page-news .news-hero__copy {
  padding: 26px 0 30px;
}

.page-news .news-hero__title {
  margin: 12px 0 16px;
  font-size: clamp(28px, 6.4vw, 50px);
  line-height: 1.1;
  font-weight: 700;
  letter-spacing: -0.015em;
  color: var(--text);
}

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

.page-news .news-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

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

.page-news .news-hero__media {
  border: var(--news-line);
  background: var(--panel);
  overflow: hidden;
}

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

.page-news .news-hero__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  border: var(--news-line);
  background: var(--line);
}

.page-news .news-hero__stats .stat {
  padding: 14px 14px 16px;
}

/* ============================================================
   本季头条
   ============================================================ */
.page-news .lead-panel {
  display: grid;
  border: var(--news-line);
  background: var(--panel);
}

@media (min-width: 1000px) {
  .page-news .lead-panel {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }
}

.page-news .lead-panel__media {
  background: var(--hull);
  border-bottom: var(--news-line);
  overflow: hidden;
}

@media (min-width: 1000px) {
  .page-news .lead-panel__media {
    border-bottom: 0;
    border-right: var(--news-line);
  }
}

.page-news .lead-panel__media img {
  display: block;
  width: 100%;
  height: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.page-news .lead-panel__body {
  display: grid;
  gap: 14px;
  align-content: start;
  padding: var(--news-pad);
}

.page-news .lead-panel__kicker {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--green);
}

.page-news .lead-panel__title {
  margin: 0;
  font-size: 20px;
  line-height: 1.45;
  font-weight: 600;
  color: var(--text);
}

.page-news .lead-panel__text,
.page-news .lead-panel__note {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--slate);
}

.page-news .lead-panel__note {
  padding-left: 14px;
  border-left: 2px solid var(--amber);
  color: var(--mush);
}

.page-news .lead-panel__bars {
  display: grid;
  gap: 12px;
  padding: 16px 0 4px;
  border-top: var(--news-line);
}

.page-news .lead-panel__links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding-top: 6px;
}

/* ============================================================
   双栏：索引列表 + 侧栏
   ============================================================ */
.page-news .split {
  display: grid;
  gap: var(--news-gap);
}

@media (min-width: 1000px) {
  .page-news .split {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 40px;
    align-items: start;
  }
}

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

.page-news .index-list__item {
  border-bottom: var(--news-line);
  transition: background var(--t) ease;
}

.page-news .index-list__item:hover {
  background: var(--checker);
}

.page-news .index-list__head {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr) 16px;
  gap: 4px 12px;
  align-items: start;
  padding: 16px 12px;
  cursor: pointer;
  list-style: none;
}

.page-news .index-list__head::-webkit-details-marker {
  display: none;
}

.page-news .index-list__head:focus-visible {
  outline: 1px solid var(--green);
  outline-offset: -1px;
}

.page-news .index-list__no {
  font-size: 13px;
  line-height: 1.6;
  color: var(--green-2);
}

.page-news .index-list__main {
  display: grid;
  gap: 8px;
  min-width: 0;
}

.page-news .index-list__title {
  font-size: 16px;
  line-height: 1.55;
  font-weight: 600;
  color: var(--text);
}

.page-news .index-list__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.page-news .index-list__when {
  font-size: 12px;
  color: var(--slate);
}

.page-news .index-list__toggle {
  position: relative;
  width: 12px;
  height: 12px;
  margin-top: 6px;
  border-right: 1px solid var(--slate);
  border-bottom: 1px solid var(--slate);
  transform: rotate(45deg);
  transition: transform var(--t) ease, border-color var(--t) ease;
}

.page-news .index-list__item details[open] .index-list__toggle {
  transform: rotate(-135deg);
  border-color: var(--green);
}

.page-news .index-list__body {
  padding: 0 12px 18px 46px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--slate);
}

.page-news .index-list__body p {
  margin: 0;
  max-width: 66ch;
}

@media (min-width: 760px) {
  .page-news .index-list__head {
    grid-template-columns: 40px minmax(0, 1fr) 16px;
    padding: 18px 16px;
  }
  .page-news .index-list__body {
    padding: 0 16px 20px 56px;
  }
}

/* ---------- 侧栏 ---------- */
.page-news .split__side {
  display: grid;
  gap: 16px;
  align-content: start;
}

.page-news .split__figure {
  margin: 0;
  padding: 12px;
  border: var(--news-line);
  background: var(--panel);
}

.page-news .split__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 5 / 3;
  object-fit: cover;
}

.page-news .split__caption {
  margin: 10px 2px 2px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--slate);
}

.page-news .split__note {
  padding: 18px;
  border: var(--news-line);
  background: var(--hull);
}

.page-news .split__note-k {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--amber);
}

.page-news .split__note p {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--slate);
}

.page-news .split__note-link {
  margin-top: 16px;
}

/* ============================================================
   标签与版本更新
   ============================================================ */
.page-news .updates {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  border: var(--news-line);
  background: var(--line);
}

@media (min-width: 760px) {
  .page-news .updates {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1100px) {
  .page-news .updates {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

.page-news .updates__item {
  display: grid;
  gap: 9px;
  align-content: start;
  padding: 20px 18px 24px;
  background: var(--panel);
}

.page-news .updates__item:nth-child(even) {
  background: var(--hull);
}

.page-news .updates__k {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--green-2);
}

.page-news .updates__t {
  margin: 0;
  font-size: 17px;
  line-height: 1.5;
  font-weight: 600;
  color: var(--text);
}

.page-news .updates__d {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--slate);
}

/* ============================================================
   数据图集
   ============================================================ */
.page-news .atlas {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--news-gap);
}

@media (min-width: 560px) {
  .page-news .atlas {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1040px) {
  .page-news .atlas {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

.page-news .atlas__cell {
  display: grid;
  gap: 10px;
  align-content: start;
  padding: 12px;
  border: var(--news-line);
  background: var(--panel);
  color: inherit;
  text-decoration: none;
  transition: border-color var(--t) ease, background var(--t) ease;
}

.page-news .atlas__cell:hover,
.page-news .atlas__cell:focus-visible {
  border-color: var(--green);
  background: var(--checker);
}

.page-news .atlas__cell img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  transition: transform var(--t-slow) ease;
}

.page-news .atlas__cell:hover img,
.page-news .atlas__cell:focus-visible img {
  transform: scale(1.03);
}

.page-news .atlas__k {
  margin: 4px 0 0;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--green);
}

.page-news .atlas__t {
  margin: 0;
  font-size: 18px;
  line-height: 1.4;
  font-weight: 600;
  color: var(--text);
}

.page-news .atlas__d {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--slate);
}

/* ============================================================
   专栏与订阅入口
   ============================================================ */
.page-news .follow {
  display: grid;
  gap: 24px;
  padding: var(--news-pad);
  border: var(--news-line);
  background: var(--hull);
}

@media (min-width: 1000px) {
  .page-news .follow {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 44px;
    align-items: start;
    padding: 38px;
  }
}

.page-news .follow__title {
  margin: 10px 0 12px;
  font-size: clamp(24px, 3.4vw, 32px);
  line-height: 1.28;
  font-weight: 700;
  color: var(--text);
}

.page-news .follow__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--slate);
}

.page-news .follow__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
}

@media (min-width: 620px) {
  .page-news .follow__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.page-news .follow__card {
  display: grid;
  gap: 8px;
  align-content: start;
  padding: 16px 16px 18px;
  border: var(--news-line);
  background: var(--panel);
  color: inherit;
  text-decoration: none;
  transition: border-color var(--t) ease, background var(--t) ease;
}

.page-news .follow__card:hover,
.page-news .follow__card:focus-visible {
  border-color: var(--green);
  background: var(--checker);
}

.page-news .follow__card-k {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--green-2);
}

.page-news .follow__card-t {
  font-size: 17px;
  line-height: 1.45;
  font-weight: 600;
  color: var(--text);
}

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

/* ============================================================
   窄屏与动效降级
   ============================================================ */
@media (max-width: 420px) {
  .page-news .news-hero__stats {
    grid-template-columns: minmax(0, 1fr);
  }
  .page-news .lead-panel__links .btn,
  .page-news .news-hero__actions .btn {
    flex: 1 1 100%;
    text-align: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .index-list__item,
  .page-news .index-list__toggle,
  .page-news .atlas__cell,
  .page-news .atlas__cell img,
  .page-news .follow__card {
    transition: none;
  }
  .page-news .atlas__cell:hover img,
  .page-news .atlas__cell:focus-visible img {
    transform: none;
  }
}