/* ==========================================================================
   PAGE: 内容日志 (news)
   Magazine-style editorial layout on deep navy
   ========================================================================== */

.page-news {
  /* page-scope aliases using global design tokens only */
  --news-sidebar-w: 280px;
  --news-card-radius: 2px;
}

/* ===== 刊头区 ===== */
.page-news .news-masthead {
  position: relative;
  padding: var(--space-3) 0 var(--space-4);
  overflow: hidden;
}

.page-news .news-masthead__stripe {
  position: absolute;
  top: 0;
  right: 0;
  width: 42%;
  height: 100%;
  pointer-events: none;
  opacity: .35;
}

.page-news .news-masthead__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3);
  padding: var(--space-3) 0 0;
}

.page-news .news-masthead__eyebrow {
  color: var(--c-gold);
  font-size: .74rem;
  letter-spacing: .12em;
  margin: 0 0 var(--space-2);
  text-transform: uppercase;
}

.page-news .news-masthead h1 {
  font-family: var(--f-heading);
  font-size: clamp(1.9rem, 4.5vw, 3rem);
  line-height: 1.18;
  color: var(--text-title);
  margin: 0 0 var(--space-2);
  letter-spacing: .02em;
}

.page-news .news-masthead__desc {
  color: var(--text-body);
  font-size: .9rem;
  line-height: 1.8;
  max-width: 44em;
  margin: 0;
}

.page-news .news-masthead__stats {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  align-self: end;
}

.page-news .news-stat {
  background: rgba(61, 58, 110, .38);
  border-left: 2px solid var(--c-gold);
  padding: var(--space-2) var(--space-2) var(--space-2);
  min-width: 84px;
  text-align: center;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%);
}

.page-news .news-stat__num {
  display: block;
  font-size: 1.45rem;
  line-height: 1.15;
  color: var(--c-gold);
  font-weight: 600;
}

.page-news .news-stat__label {
  display: block;
  font-size: .68rem;
  color: var(--text-muted);
  margin-top: 3px;
  letter-spacing: .04em;
}

.page-news .accent-line {
  margin-top: var(--space-4);
}

/* ===== 杂志双栏布局 ===== */
.page-news .news-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
  padding-bottom: var(--space-6);
}

/* ===== 侧边索引栏 ===== */
.page-news .news-sidebar {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2);
}

.page-news .news-sidebar__block {
  background: rgba(61, 58, 110, .16);
  border: 1px solid rgba(201, 162, 39, .22);
  padding: var(--space-3);
  position: relative;
}

.page-news .news-sidebar__block::after {
  content: "";
  display: block;
  width: 30px;
  height: 3px;
  background: var(--c-gold);
  margin-top: var(--space-2);
  clip-path: polygon(0 0, 100% 0, 100% 100%, 8px 100%);
}

.page-news .news-sidebar__update {
  background: linear-gradient(135deg, rgba(13, 27, 42, .7), rgba(61, 58, 110, .45));
  border-color: var(--c-gold);
}

.page-news .news-sidebar__label {
  color: var(--text-muted);
  font-size: .72rem;
  letter-spacing: .1em;
  margin: 0 0 var(--space-1);
}

.page-news .news-sidebar__countdown {
  color: var(--c-gold);
  font-size: 1.6rem;
  font-weight: 600;
  letter-spacing: .06em;
  margin: 0 0 var(--space-1);
  font-variant-numeric: tabular-nums;
}

.page-news .news-sidebar__note {
  font-size: .74rem;
  line-height: 1.6;
  margin: 0;
}

.page-news .news-sidebar__title {
  font-family: var(--f-heading);
  font-size: 1rem;
  color: var(--text-title);
  margin: 0 0 var(--space-2);
  padding-bottom: var(--space-1);
  border-bottom: 1px solid rgba(224, 216, 200, .28);
}

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

.page-news .news-index-link {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  color: var(--text-body);
  text-decoration: none;
  padding: .4rem .5rem;
  font-size: .84rem;
  border-left: 2px solid transparent;
  transition: border-color .2s ease, background-color .2s ease, color .2s ease;
}

.page-news .news-index-link::before {
  content: "◈";
  color: var(--c-gold);
  font-size: .62rem;
  opacity: 0;
  transition: opacity .2s ease;
}

.page-news .news-index-link:hover,
.page-news .news-index-link.is-active {
  border-left-color: var(--c-gold);
  background: rgba(201, 162, 39, .08);
  color: var(--c-gold);
}

.page-news .news-index-link:hover::before,
.page-news .news-index-link.is-active::before {
  opacity: 1;
}

.page-news .news-sidebar__tags {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1);
}

.page-news .news-sidebar__tags a.tag {
  display: inline-block;
  text-decoration: none;
  transition: transform .2s ease, box-shadow .2s ease;
}

.page-news .news-sidebar__tags a.tag:hover {
  transform: translateY(-1px);
  box-shadow: 0 2px 8px var(--c-shadow);
}

/* ===== 右侧正文列 ===== */
.page-news .news-content {
  min-width: 0;
}

.page-news .news-content .section {
  margin-bottom: var(--space-5);
}

.page-news .news-content .section:last-child {
  margin-bottom: 0;
}

.page-news .news-content .section-head {
  margin-bottom: var(--space-3);
}

/* ===== 最新更新：主推文卡片 ===== */
.page-news .news-feature {
  background: var(--c-paper);
  color: var(--c-ink);
  margin-bottom: var(--space-3);
  position: relative;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 16px), calc(100% - 16px) 100%, 0 100%);
  box-shadow: 0 8px 28px var(--c-shadow);
}

.page-news .news-feature::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--c-gold) 0%, var(--c-wine) 100%);
  z-index: 1;
}

.page-news .news-feature__media {
  background: var(--c-navy);
}

.page-news .news-feature__media img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 420px;
  object-fit: cover;
}

.page-news .news-feature__body {
  padding: var(--space-3);
}

.page-news .news-feature__title {
  font-family: var(--f-heading);
  font-size: clamp(1.2rem, 2vw, 1.6rem);
  line-height: 1.38;
  color: var(--c-ink);
  margin: var(--space-2) 0 var(--space-1);
}

.page-news .news-feature__excerpt {
  color: var(--c-muted);
  font-size: .9rem;
  line-height: 1.75;
  margin: 0 0 var(--space-2);
}

.page-news .news-feature__tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1);
}

/* ===== 最新更新：小卡片网格 ===== */
.page-news .news-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3);
}

.page-news .news-card {
  background: var(--c-paper);
  color: var(--c-ink);
  display: flex;
  flex-direction: column;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 12px), calc(100% - 12px) 100%, 0 100%);
  box-shadow: 0 4px 16px var(--c-shadow);
  transition: transform .25s ease, box-shadow .25s ease;
}

.page-news .news-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 28px var(--c-shadow);
}

.page-news .news-card__media {
  background: var(--c-navy);
  overflow: hidden;
}

.page-news .news-card__media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-news .news-card__body {
  padding: var(--space-3);
  display: flex;
  flex-direction: column;
  flex: 1;
}

.page-news .news-card--wide {
  grid-column: 1 / -1;
}

.page-news .news-card--wide .news-card__body {
  padding: var(--space-3) var(--space-3);
}

.page-news .news-card__title {
  font-family: var(--f-heading);
  font-size: 1.08rem;
  line-height: 1.42;
  color: var(--c-ink);
  margin: var(--space-1) 0 var(--space-1);
}

.page-news .news-card__excerpt {
  color: var(--c-muted);
  font-size: .84rem;
  line-height: 1.7;
  margin: 0 0 var(--space-2);
  flex: 1;
}

.page-news .news-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1);
}

/* ===== 时间线 ===== */
.page-news .news-timeline {
  position: relative;
  padding-left: 1.3rem;
}

.page-news .news-timeline::before {
  content: "";
  position: absolute;
  top: 4px;
  bottom: 4px;
  left: 3px;
  width: 1px;
  background: linear-gradient(to bottom, var(--c-gold), rgba(201, 162, 39, .18) 60%, var(--c-gold));
}

.page-news .route-item {
  position: relative;
  padding: 0 0 var(--space-2);
  margin: 0;
}

.page-news .news-timeline__dot {
  position: absolute;
  left: calc(-1.3rem + 1px);
  top: 8px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--c-gold);
  box-shadow: 0 0 0 4px rgba(201, 162, 39, .16);
}

.page-news .news-timeline__content {
  background: rgba(245, 242, 235, .045);
  border: 1px solid rgba(224, 216, 200, .16);
  padding: var(--space-2) var(--space-3);
  transition: background-color .25s ease, border-color .25s ease;
}

.page-news .news-timeline__content:hover {
  background: rgba(245, 242, 235, .08);
  border-color: rgba(201, 162, 39, .4);
}

.page-news .news-timeline__title {
  font-family: var(--f-heading);
  font-size: 1rem;
  line-height: 1.45;
  color: var(--text-title);
  margin: var(--space-1) 0;
}

.page-news .news-timeline__text {
  font-size: .84rem;
  color: var(--text-body);
  line-height: 1.65;
  margin: 0;
}

/* 里程碑 */
.page-news .news-milestone-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-1);
  margin-top: var(--space-2);
}

.page-news .news-milestone-item {
  display: flex;
  align-items: baseline;
  gap: var(--space-2);
  padding: .38rem 0;
  border-bottom: 1px dashed rgba(224, 216, 200, .2);
}

.page-news .news-milestone-year {
  color: var(--c-gold);
  font-size: .78rem;
  min-width: 3.2em;
}

.page-news .news-milestone-text {
  font-size: .84rem;
  color: var(--text-body);
}

/* ===== 专题系列 ===== */
.page-news .news-series {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3);
}

.page-news .series-card {
  background: rgba(245, 242, 235, .055);
  border: 1px solid rgba(224, 216, 200, .18);
  display: flex;
  flex-direction: column;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 14px), calc(100% - 14px) 100%, 0 100%);
  transition: border-color .25s ease, transform .25s ease, box-shadow .25s ease;
}

.page-news .series-card:hover {
  border-color: rgba(201, 162, 39, .5);
  transform: translateY(-4px);
  box-shadow: 0 8px 26px var(--c-shadow);
}

.page-news .series-card__cover {
  overflow: hidden;
}

.page-news .series-card__cover img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-news .series-card__body {
  padding: var(--space-3);
  display: flex;
  flex-direction: column;
  flex: 1;
}

.page-news .series-card__body--plain {
  background: rgba(61, 58, 110, .22);
}

.page-news .series-card__title {
  font-family: var(--f-heading);
  font-size: 1.18rem;
  line-height: 1.35;
  color: var(--text-title);
  margin: var(--space-1) 0 var(--space-1);
}

.page-news .series-card__desc {
  font-size: .84rem;
  color: var(--text-body);
  line-height: 1.7;
  margin: 0 0 var(--space-3);
  flex: 1;
}

.page-news .series-card .btn {
  align-self: flex-start;
}

/* ===== 订阅与联系 ===== */
.page-news .news-subscribe {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3);
}

.page-news .news-subscribe__panel {
  padding: var(--space-3) var(--space-3);
}

.page-news .news-subscribe__title {
  font-family: var(--f-heading);
  font-size: 1.2rem;
  color: var(--text-title);
  margin: 0 0 var(--space-2);
}

.page-news .news-subscribe__desc {
  color: var(--text-body);
  font-size: .88rem;
  line-height: 1.75;
  margin: 0 0 var(--space-3);
}

.page-news .news-subscribe__links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.page-news .news-subscribe__contact {
  list-style: none;
  margin: 0 0 var(--space-2);
  padding: 0;
  display: grid;
  gap: var(--space-1);
}

.page-news .news-subscribe__contact .contact-item {
  display: grid;
  grid-template-columns: 4.6em 1fr;
  align-items: baseline;
  gap: var(--space-2);
  padding-bottom: var(--space-1);
  border-bottom: 1px dashed var(--c-line);
}

.page-news .news-subscribe__contact .contact-type {
  color: var(--c-gold);
  font-size: .78rem;
}

.page-news .news-subscribe__contact .contact-value {
  color: var(--text-title);
  font-size: .82rem;
  word-break: break-all;
}

.page-news .news-subscribe__note {
  font-size: .78rem;
  line-height: 1.6;
  margin: 0;
}

.page-news .news-subscribe__more {
  color: var(--c-gold);
  text-decoration: none;
  border-bottom: 1px solid rgba(201, 162, 39, .5);
  transition: border-color .2s ease;
}

.page-news .news-subscribe__more:hover {
  border-bottom-color: var(--c-gold);
}

/* ===== 小屏适配 ===== */
@media (min-width: 640px) {
  .page-news .news-sidebar {
    grid-template-columns: 1fr 1fr;
  }

  .page-news .news-sidebar__update {
    grid-column: 1 / -1;
  }

  .page-news .news-grid {
    grid-template-columns: 1fr 1fr;
  }

  .page-news .news-feature__body {
    padding: var(--space-3) var(--space-4) var(--space-4);
  }

  .page-news .news-card--wide .news-card__body {
    padding: var(--space-3) var(--space-4);
  }

  .page-news .news-milestone-list {
    grid-template-columns: 1fr 1fr;
  }

  .page-news .news-subscribe__panel {
    padding: var(--space-4);
  }
}

@media (min-width: 768px) {
  .page-news .news-masthead__grid {
    grid-template-columns: 2fr 1fr;
    align-items: end;
    gap: var(--space-4);
    padding: var(--space-4) 0 0;
  }

  .page-news .news-masthead__stats {
    justify-content: flex-end;
  }

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

  .page-news .news-subscribe {
    grid-template-columns: 1.15fr 1fr;
  }

  .page-news .news-stat__num {
    font-size: 1.6rem;
  }
}

/* ===== 桌面端双栏 ===== */
@media (min-width: 992px) {
  .page-news .news-masthead {
    padding: var(--space-4) 0 var(--space-5);
  }

  .page-news .news-masthead__grid {
    padding: var(--space-5) 0 0;
  }

  .page-news .news-layout {
    grid-template-columns: var(--news-sidebar-w) minmax(0, 1fr);
    gap: var(--space-5);
  }

  .page-news .news-sidebar {
    grid-template-columns: 1fr;
    align-content: start;
    position: sticky;
    top: var(--space-4);
  }

  .page-news .news-sidebar__update {
    grid-column: auto;
  }

  .page-news .news-feature__media img {
    max-height: 460px;
  }

  .page-news .news-feature__body {
    padding: var(--space-4) var(--space-5);
  }
}