.page-news {
  --news-pad: clamp(24px, 4vw, 40px);
  --news-pad-sm: clamp(18px, 3vw, 26px);
}

.page-news .news-head {
  padding-block: 4px 36px;
}
.page-news .news-head .eyebrow {
  margin-bottom: 12px;
}
.page-news .news-head h1 {
  margin: 0 0 16px;
  font-size: clamp(28px, 4.8vw, 46px);
  font-weight: 800;
  line-height: 1.14;
  letter-spacing: -0.02em;
  color: var(--cloud);
  max-width: 22ch;
}
.page-news .news-head__lead {
  margin: 0;
  max-width: 64ch;
  font-size: clamp(15px, 1.4vw, 17px);
  line-height: 1.78;
  color: var(--mist);
}

/* 本周更新条 */
.page-news .news-banner__inner {
  display: grid;
  overflow: hidden;
  padding: 0;
}
.page-news .news-banner__visual {
  position: relative;
  min-height: 168px;
  line-height: 0;
  background: linear-gradient(120deg, rgba(255, 106, 43, .18), rgba(35, 230, 208, .12));
}
.page-news .news-banner__visual img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
}
.page-news .news-banner__meta {
  padding: var(--news-pad);
}
.page-news .news-banner__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
}
.page-news .news-banner__title {
  margin: 0 0 18px;
  font-size: clamp(21px, 2.9vw, 30px);
  font-weight: 800;
  line-height: 1.35;
  letter-spacing: -0.01em;
  color: var(--cloud);
}
.page-news .news-banner__list {
  list-style: none;
  margin: 0 0 22px;
  padding: 0;
  display: grid;
  gap: 12px;
}
.page-news .news-banner__list li {
  display: grid;
  gap: 4px;
  padding-left: 14px;
  border-left: 2px solid var(--line);
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--mist);
}
.page-news .news-banner__k {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--cyan);
}
.page-news .news-banner__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* 快速索引 */
.page-news .news-index__grid {
  display: grid;
  gap: 18px;
}
.page-news .news-idx {
  display: block;
  padding: var(--news-pad-sm);
  text-decoration: none;
  color: inherit;
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.page-news .news-idx:hover,
.page-news .news-idx:focus-visible {
  transform: translateY(-3px);
  border-color: var(--line-strong);
}
.page-news .news-idx__num {
  display: block;
  margin-bottom: 12px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--cyan);
}
.page-news .news-idx__title {
  margin: 0 0 8px;
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--cloud);
}
.page-news .news-idx__desc {
  margin: 0 0 16px;
  font-size: 14px;
  line-height: 1.72;
  color: var(--mist);
}
.page-news .news-idx__stat {
  margin: 0;
  font-family: var(--mono);
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--lava-soft);
}
.page-news .news-idx__stat strong {
  margin-right: 6px;
  font-size: 28px;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--lava);
  vertical-align: -2px;
}

/* 公告列表 */
.page-news .news-list__body {
  align-items: start;
}
.page-news .news-item {
  border-top: 1px solid var(--line);
}
.page-news .news-item:last-of-type {
  border-bottom: 1px solid var(--line);
}
.page-news .news-item__summary {
  display: grid;
  grid-template-columns: 72px minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px 14px;
  padding: 18px 4px;
  cursor: pointer;
  list-style: none;
  transition: background var(--dur) var(--ease);
}
.page-news .news-item__summary::-webkit-details-marker {
  display: none;
}
.page-news .news-item__summary:hover {
  background: rgba(35, 230, 208, .04);
}
.page-news .news-item__week {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--cyan);
}
.page-news .news-item__title {
  font-size: 15.5px;
  font-weight: 700;
  line-height: 1.55;
  color: var(--cloud);
}
.page-news .news-item__body {
  padding: 0 4px 22px;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--mist);
}
.page-news .news-item__body p {
  margin: 0 0 10px;
}
.page-news .news-item__body p:last-child {
  margin-bottom: 0;
}

.page-news .news-list__aside {
  display: grid;
  gap: 16px;
}
.page-news .news-list__aside-note {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist);
}
.page-news .news-list__aside-link {
  align-self: start;
  font-size: 14px;
  font-weight: 700;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  padding-bottom: 3px;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.page-news .news-list__aside-link:hover {
  color: var(--lava-soft);
  border-color: var(--lava-soft);
}

/* 路线调整 */
.page-news .news-routes__grid {
  display: grid;
  gap: 18px;
}
.page-news .news-routes__card {
  padding: var(--news-pad-sm);
}
.page-news .news-routes__card h3 {
  margin: 14px 0 10px;
  font-size: 22px;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--cloud);
}
.page-news .news-routes__card p {
  margin: 0 0 12px;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--mist);
}
.page-news .news-routes__card p:last-child {
  margin-bottom: 0;
}
.page-news .news-routes__note {
  font-family: var(--mono);
  font-size: 12.5px !important;
  line-height: 1.7 !important;
  color: var(--gold) !important;
}

/* 反馈进度 */
.page-news .news-progress__visual {
  margin: 0 0 32px;
}
.page-news .news-progress__visual img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}
.page-news .news-progress__track {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 22px;
}
.page-news .news-progress__node {
  position: relative;
  padding-left: 24px;
}
.page-news .news-progress__node::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 16px;
  bottom: -22px;
  width: 1px;
  background: var(--line);
}
.page-news .news-progress__node:last-child::before {
  display: none;
}
.page-news .news-progress__dot {
  position: absolute;
  left: 0;
  top: 5px;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--ink-950);
  border: 2px solid var(--cyan);
  box-shadow: 0 0 0 4px rgba(35, 230, 208, .12);
}
.page-news .news-progress__node.is-done .news-progress__dot {
  background: var(--lava);
  border-color: var(--lava);
  box-shadow: 0 0 0 4px rgba(255, 106, 43, .16);
}
.page-news .news-progress__label {
  display: block;
  margin-bottom: 4px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--cyan);
}
.page-news .news-progress__num {
  display: block;
  font-size: 30px;
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.01em;
  color: var(--cloud);
}
.page-news .news-progress__note {
  margin: 8px 0 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--mist);
  max-width: 40ch;
}
.page-news .news-progress__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

/* 专题系列 */
.page-news .news-series__rail {
  display: grid;
  gap: 18px;
}
.page-news .news-series__card {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  padding: 0;
}
.page-news .news-series__cover {
  margin: 0;
  max-height: 260px;
  overflow: hidden;
}
.page-news .news-series__cover img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
}
.page-news .news-series__body {
  padding: var(--news-pad-sm);
}
.page-news .news-series__title {
  margin: 0 0 8px;
  font-size: 21px;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--cloud);
}
.page-news .news-series__desc {
  margin: 0 0 16px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist);
}
.page-news .news-series__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}
.page-news .news-series__list li {
  padding: 9px 12px;
  font-family: var(--mono);
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--mist);
  background: rgba(35, 230, 208, .05);
  border-left: 2px solid var(--line);
}

/* 往期归档 */
.page-news .news-archive__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
}
.page-news .news-archive__list a {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 14px;
  padding: 15px 4px;
  border-bottom: 1px solid var(--line);
  text-decoration: none;
  color: inherit;
  transition: padding-left var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.page-news .news-archive__list a:hover,
.page-news .news-archive__list a:focus-visible {
  padding-left: 12px;
  border-color: var(--line-strong);
}
.page-news .news-archive__wk {
  flex: 0 0 auto;
  font-family: var(--mono);
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--cyan);
}
.page-news .news-archive__sum {
  font-size: 14px;
  line-height: 1.65;
  color: var(--mist);
}

/* 桌面布局 */
@media (min-width: 760px) {
  .page-news .news-index__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
  }
  .page-news .news-routes__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
  }
  .page-news .news-series__rail {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
  }
  .page-news .news-archive__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 28px;
  }
  .page-news .news-progress__track {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    column-gap: 28px;
    row-gap: 0;
  }
  .page-news .news-progress__node {
    padding-left: 0;
    padding-top: 28px;
  }
  .page-news .news-progress__node::before {
    left: 0;
    right: -28px;
    top: 9px;
    bottom: auto;
    width: auto;
    height: 1px;
    background: linear-gradient(90deg, var(--line-strong), var(--line));
  }
  .page-news .news-progress__node:last-child::before {
    display: none;
  }
  .page-news .news-progress__dot {
    left: 0;
    top: 4px;
  }
}

@media (min-width: 900px) {
  .page-news .news-banner__inner {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  }
  .page-news .news-banner__visual {
    min-height: 100%;
  }
}

@media (min-width: 1000px) {
  .page-news .news-list__body {
    grid-template-columns: 8fr 4fr;
    gap: 40px;
  }
}

@media (max-width: 640px) {
  .page-news .news-item__summary {
    grid-template-columns: 1fr;
    gap: 6px;
  }
  .page-news .news-item__summary .chip {
    justify-self: start;
  }
  .page-news .news-item__body {
    padding-left: 4px;
  }
  .page-news .news-progress__num {
    font-size: 26px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-idx,
  .page-news .news-item__summary,
  .page-news .news-archive__list a,
  .page-news .news-list__aside-link {
    transition: none;
  }
  .page-news .news-idx:hover,
  .page-news .news-idx:focus-visible {
    transform: none;
  }
}
</main>