/* ============ 品牌专栏 · page-news ============ */

.page-news {
  --news-rule: rgba(155, 166, 178, .26);
  padding-bottom: clamp(48px, 7vw, 88px);
}

.page-news .breadcrumb {
  margin-top: 18px;
}

/* ---------- 首屏 ---------- */

.page-news .news-hero {
  display: grid;
  gap: 26px;
  padding: 20px 0 clamp(32px, 4vw, 52px);
  border-bottom: 2px solid var(--line);
}

.page-news .news-hero__copy .display-title {
  margin: 12px 0 16px;
}

.page-news .news-hero__copy .lede {
  max-width: 48ch;
}

.page-news .news-hero__meta {
  position: relative;
  padding: 22px 22px 20px;
  background: var(--bg-2);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.page-news .news-hero__meta::before {
  content: "";
  position: absolute;
  top: -1px;
  left: -1px;
  right: -1px;
  height: 3px;
  background: linear-gradient(
    90deg,
    var(--cinnabar-500) 0 34%,
    var(--amber-400) 34% 67%,
    var(--cyan-spark-400) 67% 100%
  );
}

.page-news .news-hero__meta-num {
  margin: 0 0 14px;
  font-size: 11px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--text-3);
}

.page-news .news-hero__meta .index-list {
  display: grid;
  gap: 2px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .news-hero__meta .index-list__link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 7px 8px;
  border-left: 2px solid transparent;
  color: var(--text);
  text-decoration: none;
  transition: border-color .22s var(--ease), background-color .22s var(--ease);
}

.page-news .news-hero__meta .index-list__link:hover,
.page-news .news-hero__meta .index-list__link.is-active {
  border-left-color: var(--amber-400);
  background: var(--bg-3);
}

.page-news .news-hero__meta .index-list__num {
  font-size: 11px;
  color: var(--text-3);
  letter-spacing: .08em;
  flex: 0 0 auto;
}

/* ---------- 通用区块 ---------- */

.page-news .news-block {
  padding-top: clamp(38px, 5vw, 66px);
}

.page-news .news-block + .news-block {
  margin-top: clamp(38px, 5vw, 66px);
  border-top: 1px solid var(--line-soft);
}

/* ---------- 本期看点 ---------- */

.page-news .headline {
  display: grid;
  border: 1px solid var(--line);
  background: var(--bg-2);
  box-shadow: var(--shadow);
}

.page-news .headline__media {
  margin: 0;
  border-bottom: 1px solid var(--line);
}

.page-news .headline__body {
  padding: 24px 22px 26px;
}

.page-news .headline__tags {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 0 0 12px;
}

.page-news .headline__when {
  font-size: 11px;
  letter-spacing: .06em;
  color: var(--text-3);
}

.page-news .headline__title {
  margin: 0 0 14px;
  font-size: clamp(19px, 2.2vw, 26px);
  font-weight: 600;
  line-height: 1.44;
  letter-spacing: .01em;
  color: var(--text);
}

.page-news .headline__text {
  margin: 0 0 16px;
  font-size: 15px;
  line-height: 1.78;
  color: var(--text-2);
}

.page-news .headline__list {
  display: grid;
  gap: 9px;
  margin: 0 0 20px;
  padding: 0;
  list-style: none;
}

.page-news .headline__list li {
  position: relative;
  padding-left: 18px;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--text-2);
}

.page-news .headline__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .78em;
  width: 8px;
  height: 1px;
  background: var(--cyan-spark-400);
}

/* ---------- 版本日记 ---------- */

.page-news .diary-layout {
  display: grid;
  gap: 30px;
}

.page-news .diary-figure {
  margin: 0 0 22px;
}

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

.page-news .diary-item {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 14px;
  padding: 20px 6px 20px 4px;
  border-bottom: 1px solid var(--line-soft);
  transition: background-color .22s var(--ease);
}

.page-news .diary-item:hover {
  background: var(--bg-2);
}

.page-news .diary-item__num {
  padding-top: 26px;
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--text-3);
  border-top: 2px solid var(--news-rule);
  align-self: start;
}

.page-news .diary-item__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 0 0 8px;
}

.page-news .diary-item__when {
  font-size: 11px;
  letter-spacing: .06em;
  color: var(--text-3);
}

.page-news .diary-item__title {
  margin: 0 0 6px;
  font-size: 15.5px;
  font-weight: 600;
  line-height: 1.55;
  letter-spacing: .01em;
  color: var(--text);
}

.page-news .diary-item__text {
  margin: 0;
  max-width: 62ch;
  font-size: 14px;
  line-height: 1.76;
  color: var(--text-2);
}

.page-news .diary-side {
  align-self: start;
  padding: 20px 20px 22px;
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-left: 3px solid var(--moss-600);
}

.page-news .diary-side__num {
  margin: 0 0 14px;
  font-size: 11px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--text-3);
}

.page-news .diary-side__list {
  display: grid;
  gap: 10px;
  margin: 0 0 16px;
  padding: 0;
  list-style: none;
}

.page-news .diary-side__item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 10px;
  border-bottom: 1px dashed var(--line-soft);
}

.page-news .diary-side__item:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-news .diary-side__count {
  font-size: 12px;
  color: var(--text-2);
}

/* ---------- 专题系列 ---------- */

.page-news .topics-figure {
  margin: 0 0 24px;
}

.page-news .topic-grid {
  display: grid;
  gap: 18px;
}

.page-news .topic-card {
  position: relative;
  padding: 22px 20px 30px;
  background: var(--bg-2);
  border: 1px solid var(--line);
  transition: transform .22s var(--ease), border-color .22s var(--ease);
}

.page-news .topic-card:hover {
  transform: translateY(-2px);
  border-color: var(--news-rule);
}

.page-news .topic-card::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 3px;
}

.page-news .topic-card:nth-child(1)::after {
  background: var(--clay-500);
}

.page-news .topic-card:nth-child(2)::after {
  background: var(--cyan-spark-400);
}

.page-news .topic-card:nth-child(3)::after {
  background: var(--moss-600);
}

.page-news .topic-card__num {
  margin: 0 0 10px;
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--text-3);
}

.page-news .topic-card__title {
  margin: 0 0 10px;
  font-size: 17px;
  font-weight: 600;
  line-height: 1.46;
  color: var(--text);
}

.page-news .topic-card__text {
  margin: 0 0 16px;
  font-size: 14px;
  line-height: 1.76;
  color: var(--text-2);
}

.page-news .topic-card__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 0;
  font-size: 11.5px;
  letter-spacing: .04em;
  color: var(--text-3);
}

/* ---------- 季度版本回顾 ---------- */

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

.page-news .quarter-item {
  display: grid;
  gap: 12px;
  padding: 22px 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-news .quarter-item__label {
  margin: 0;
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--text-2);
}

.page-news .quarter-item__detail {
  display: grid;
  gap: 9px;
}

.page-news .quarter-item__bar {
  position: relative;
  height: 10px;
  background: var(--bg-3);
  border: 1px solid var(--line-soft);
  overflow: hidden;
}

.page-news .quarter-item__bar span {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, var(--cyan-spark-400), var(--cinnabar-500));
}

.page-news .quarter-item__count {
  margin: 0;
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--text-3);
}

.page-news .quarter-item__text {
  margin: 0;
  max-width: 70ch;
  font-size: 13.5px;
  line-height: 1.74;
  color: var(--text-2);
}

/* ---------- 更新节奏 ---------- */

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

.page-news .rhythm-copy {
  display: grid;
  gap: 0;
}

.page-news .rhythm-row {
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr);
  gap: 14px;
  padding: 18px 0;
  border-bottom: 1px dashed var(--line-soft);
}

.page-news .rhythm-row:first-child {
  border-top: 1px solid var(--line);
}

.page-news .rhythm-row__num {
  margin: 0;
  padding-top: 3px;
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--text-3);
}

.page-news .rhythm-row__title {
  margin: 0 0 7px;
  font-size: 15.5px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--text);
}

.page-news .rhythm-row__text {
  margin: 0;
  max-width: 62ch;
  font-size: 14px;
  line-height: 1.76;
  color: var(--text-2);
}

.page-news .rhythm-figure {
  margin: 0;
  border-left: 3px solid var(--amber-400);
}

/* ---------- 桌面端 ---------- */

@media (min-width: 760px) {

  .page-news .news-hero {
    grid-template-columns: minmax(0, 1.45fr) minmax(280px, .55fr);
    align-items: start;
    gap: 36px;
  }

  .page-news .headline {
    grid-template-columns: 1.05fr .95fr;
  }

  .page-news .headline__media {
    border-right: 1px solid var(--line);
    border-bottom: 0;
    height: 100%;
  }

  .page-news .headline__media img {
    height: 100%;
    object-fit: cover;
  }

  .page-news .headline__body {
    padding: 30px 28px 30px;
  }

  .page-news .topic-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-news .quarter-item {
    grid-template-columns: 118px minmax(0, 1fr);
    gap: 24px;
    align-items: start;
  }

  .page-news .quarter-item__label {
    padding-top: 4px;
  }

  .page-news .rhythm-grid {
    grid-template-columns: minmax(0, 1.3fr) minmax(260px, .7fr);
    align-items: start;
    gap: 34px;
  }
}

@media (min-width: 1024px) {

  .page-news .diary-layout {
    grid-template-columns: minmax(0, 1fr) 286px;
    gap: 40px;
  }

  .page-news .diary-side {
    position: sticky;
    top: calc(var(--header-offset) + 18px);
  }

  .page-news .diary-item {
    grid-template-columns: 60px minmax(0, 1fr);
    gap: 22px;
    padding: 22px 10px 22px 4px;
  }
}

@media (prefers-reduced-motion: reduce) {

  .page-news .diary-item,
  .page-news .topic-card,
  .page-news .news-hero__meta .index-list__link {
    transition: none;
  }

  .page-news .topic-card:hover {
    transform: none;
  }
}