.page-news {
  --n-tick: 26px;
  --n-entry-gap: clamp(20px, 3vw, 44px);
}

/* 专栏头 */
.page-news .col-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(28px, 4vw, 52px) 0 0;
  background: var(--c-sand);
}

.page-news .col-hero__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.18;
  filter: saturate(0.85);
  pointer-events: none;
}

.page-news .col-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(248, 244, 234, 0.72), var(--c-sand) 88%);
  pointer-events: none;
}

.page-news .col-hero__lede-wrap {
  position: relative;
  z-index: 1;
}

.page-news .col-hero__grid {
  align-items: end;
  gap: clamp(28px, 4vw, 56px);
  margin-top: clamp(24px, 4vw, 44px);
}

.page-news .col-hero__title {
  margin: 0.14em 0 0.22em;
  font-family: var(--font-head);
  font-size: clamp(46px, 8.2vw, 108px);
  font-weight: 250;
  line-height: 0.98;
  letter-spacing: -0.01em;
  color: var(--c-deep);
}

.page-news .col-hero__intro {
  max-width: 54ch;
  margin: 0;
  font-size: 17px;
  line-height: 1.75;
  color: var(--c-slate);
}

.page-news .col-hero__index {
  padding-bottom: 6px;
}

.page-news .col-hero__index ul {
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-news .col-hero__index li {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--c-line);
}

.page-news .col-hero__index b {
  flex: 0 0 auto;
  min-width: 3.4em;
  font-family: var(--font-index);
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--c-sea-deep);
}

.page-news .col-hero__index span {
  font-size: 15px;
  line-height: 1.6;
  color: var(--c-slate);
}

/* 时间刻度线 */
.page-news .tick-rule {
  position: relative;
  z-index: 1;
  height: 20px;
  margin-top: clamp(36px, 5vw, 68px);
  border-top: 1px solid var(--c-line-sea);
  background-image: repeating-linear-gradient(to right, var(--c-line-strong) 0 1px, transparent 1px var(--n-tick));
  background-size: 100% 9px;
  background-position: top left;
  background-repeat: repeat-x;
}

/* 区块标题组 */
.page-news .sec-head {
  max-width: 68ch;
  margin-bottom: clamp(32px, 4vw, 56px);
}

.page-news .sec-head h2 {
  margin: 0.2em 0 0.4em;
  font-family: var(--font-head);
  font-size: 34px;
  font-weight: 600;
  line-height: 1.2;
  color: var(--c-deep);
}

.page-news .sec-head p {
  margin: 0;
  font-size: 17px;
  line-height: 1.75;
  color: var(--c-slate);
}

/* 本期条目 */
.page-news .col-list {
  background: var(--c-sand);
}

.page-news .col-list__grid {
  align-items: start;
  gap: clamp(32px, 4vw, 64px);
}

.page-news .col-list__figure {
  margin: 0 0 24px;
}

.page-news .col-list__note {
  padding-left: 16px;
  border-left: 2px solid var(--c-wave);
}

.page-news .col-list__note p {
  margin: 8px 0 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--c-slate);
}

.page-news .col-list__link {
  color: var(--c-sea-deep);
  text-decoration: none;
  border-bottom: 1px solid var(--c-line-sea);
}

.page-news .col-list__link:hover {
  color: var(--c-coral-deep);
  border-bottom-color: var(--c-coral);
}

/* 筛选器 */
.page-news .catbar {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding-top: 18px;
  border-top: 1px solid var(--c-line-sea);
}

.page-news .cat-radio {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-news .cat-chip {
  display: inline-flex;
  align-items: center;
  padding: 7px 14px;
  font-family: var(--font-index);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--c-slate);
  background: var(--c-paper);
  border: 1px solid var(--c-line);
  border-radius: var(--radius-pill);
  cursor: pointer;
  transition: color 140ms var(--ease), background 140ms var(--ease), border-color 140ms var(--ease);
}

.page-news .cat-chip:hover {
  color: var(--c-sea-deep);
  border-color: var(--c-line-sea);
}

.page-news .cat-radio:checked + .cat-chip {
  color: var(--c-paper);
  background: var(--c-sea);
  border-color: var(--c-sea);
}

.page-news .cat-radio:focus-visible + .cat-chip {
  outline: 2px solid var(--c-coral);
  outline-offset: 2px;
}

/* 条目列表 */
.page-news .entry-list {
  flex: 1 0 100%;
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
}

.page-news .entry {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 4px;
  padding: 20px 12px 20px 26px;
  border-bottom: 1px solid var(--c-line);
  background: linear-gradient(100deg, rgba(217, 239, 242, 0) 0%, rgba(217, 239, 242, 0) 100%);
  transition: background 180ms var(--ease), transform 180ms var(--ease);
  animation: newsEntryIn 220ms var(--ease) both;
}

.page-news .entry::before {
  content: "";
  position: absolute;
  left: 0;
  top: 28px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--c-wave);
  box-shadow: 0 0 0 1px var(--c-line-sea);
  transition: background 160ms var(--ease), box-shadow 160ms var(--ease);
}

.page-news .entry:hover {
  background: linear-gradient(100deg, rgba(217, 239, 242, 0.6) 0%, rgba(217, 239, 242, 0) 78%);
  transform: translateX(4px);
}

.page-news .entry:focus-within,
.page-news .entry:focus {
  outline: none;
  background: linear-gradient(100deg, rgba(255, 106, 77, 0.14) 0%, rgba(255, 106, 77, 0) 78%);
}

.page-news .entry:focus-within::before,
.page-news .entry:focus::before {
  background: var(--c-coral);
  box-shadow: 0 0 0 3px rgba(255, 106, 77, 0.22);
}

@keyframes newsEntryIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.page-news .entry__mark {
  font-family: var(--font-index);
  font-size: clamp(17px, 2.2vw, 22px);
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--c-sea-deep);
}

.page-news .entry__title {
  margin: 0;
  font-family: var(--font-head);
  font-size: 17px;
  font-weight: 500;
  line-height: 1.5;
  color: var(--c-deep);
}

.page-news .entry__title a {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 140ms var(--ease), border-color 140ms var(--ease);
}

.page-news .entry__title a:hover {
  color: var(--c-sea-deep);
  border-bottom-color: var(--c-coral);
}

.page-news .entry__text {
  margin: 3px 0 0;
  font-size: 15px;
  line-height: 1.65;
  color: var(--c-slate);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.page-news .entry__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 12px;
  margin-top: 8px;
  transition: opacity 150ms var(--ease);
}

.page-news .entry__cat,
.page-news .entry__time {
  font-family: var(--font-index);
  font-size: 12px;
  letter-spacing: 0.08em;
}

.page-news .entry__cat {
  color: var(--c-sea);
}

.page-news .entry__time {
  color: var(--c-slate);
}

.page-news .entry__peek {
  display: none;
}

/* 筛选显隐 */
.page-news #cat-ver:checked ~ .entry-list .entry:not(.is-ver),
.page-news #cat-fb:checked ~ .entry-list .entry:not(.is-fb),
.page-news #cat-tool:checked ~ .entry-list .entry:not(.is-tool),
.page-news #cat-guide:checked ~ .entry-list .entry:not(.is-guide),
.page-news #cat-pace:checked ~ .entry-list .entry:not(.is-pace) {
  display: none;
}

/* 分类与状态 */
.page-news .col-cats__grid {
  align-items: center;
  gap: clamp(32px, 5vw, 72px);
}

.page-news .col-cats__figure {
  margin: 0;
  aspect-ratio: 1 / 1;
}

.page-news .col-cats__body h2 {
  margin: 0.2em 0 0.4em;
  font-family: var(--font-head);
  font-size: 34px;
  font-weight: 600;
  line-height: 1.2;
  color: var(--c-deep);
}

.page-news .col-cats__intro {
  max-width: 62ch;
  margin: 0 0 28px;
  font-size: 17px;
  line-height: 1.75;
  color: var(--c-slate);
}

.page-news .cat-key {
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-news .cat-key > div {
  padding-bottom: 12px;
  border-bottom: 1px solid var(--c-line-sea);
}

.page-news .cat-key dt {
  font-family: var(--font-index);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--c-sea-deep);
}

.page-news .cat-key dd {
  margin: 4px 0 0;
  font-size: 15px;
  line-height: 1.65;
  color: var(--c-slate);
}

.page-news .status-legend {
  margin-top: 28px;
  padding-top: 18px;
  border-top: 1px solid var(--c-line-strong);
}

.page-news .status-legend__row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 12px 0 0;
}

.page-news .status-legend__note {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--c-slate);
}

/* 专题系列 */
.page-news .col-series {
  background: var(--c-sand);
}

.page-news .col-series__head {
  margin-bottom: clamp(28px, 4vw, 48px);
}

.page-news .series-track {
  position: relative;
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  border-top: 1px solid var(--c-line-sea);
}

.page-news .series-node {
  position: relative;
  padding: 26px 0 26px 26px;
  border-bottom: 1px solid var(--c-line);
}

.page-news .series-node::before {
  content: "";
  position: absolute;
  left: 0;
  top: 34px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--c-sand);
  border: 2px solid var(--c-sea);
}

.page-news .series-node__when {
  display: block;
  font-family: var(--font-index);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--c-coral-deep);
}

.page-news .series-node h3 {
  margin: 8px 0 6px;
  font-family: var(--font-head);
  font-size: 24px;
  font-weight: 500;
  line-height: 1.3;
  color: var(--c-deep);
}

.page-news .series-node p {
  margin: 0;
  font-size: 17px;
  line-height: 1.75;
  color: var(--c-slate);
}

.page-news .series-node__state {
  margin-top: 10px !important;
  font-size: 15px !important;
  font-family: var(--font-index);
  letter-spacing: 0.04em;
  color: var(--c-sea-deep) !important;
}

/* 归档 */
.page-news .col-archive__grid {
  align-items: start;
  gap: clamp(32px, 5vw, 64px);
}

.page-news .col-archive__body h2 {
  margin: 0.2em 0 0.5em;
  font-family: var(--font-head);
  font-size: 34px;
  font-weight: 600;
  line-height: 1.2;
  color: var(--c-deep);
}

.page-news .col-archive__figure {
  margin: 0;
}

.page-news .read-steps {
  counter-reset: rs;
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-news .read-steps li {
  position: relative;
  padding-left: 38px;
  font-size: 17px;
  line-height: 1.75;
  color: var(--c-deep);
}

.page-news .read-steps li::before {
  counter-increment: rs;
  content: counter(rs, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 3px;
  font-family: var(--font-index);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--c-sea);
}

.page-news .read-steps b {
  font-weight: 700;
  color: var(--c-deep);
}

/* 响应式 */
@media (min-width: 900px) {
  .page-news .entry {
    grid-template-columns: 132px minmax(0, 1fr) 196px;
    gap: 0 20px;
    padding: 22px 12px 22px 26px;
  }

  .page-news .entry__meta {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
    margin-top: 0;
  }

  .page-news .entry:hover .entry__meta,
  .page-news .entry:focus-within .entry__meta {
    opacity: 0;
  }

  .page-news .entry__peek {
    display: block;
    position: absolute;
    right: 12px;
    top: 22px;
    width: 196px;
    margin: 0;
    padding: 10px 12px;
    font-family: var(--font-index);
    font-size: 12px;
    line-height: 1.7;
    letter-spacing: 0.06em;
    color: var(--c-deep);
    background: var(--c-wave);
    border-radius: var(--radius-soft);
    opacity: 0;
    transform: translateY(4px);
    pointer-events: none;
    transition: opacity 160ms var(--ease), transform 160ms var(--ease);
  }

  .page-news .entry__peek span {
    display: block;
  }

  .page-news .entry__peek b {
    font-weight: 700;
    color: var(--c-sea-deep);
  }

  .page-news .entry:hover .entry__peek,
  .page-news .entry:focus-within .entry__peek {
    opacity: 1;
    transform: translateY(0);
  }

  .page-news .series-track {
    grid-template-columns: 5fr 3fr 4fr;
    border-bottom: 1px solid var(--c-line-sea);
  }

  .page-news .series-node {
    padding: 34px 30px 34px;
    border-bottom: 0;
    border-left: 1px solid var(--c-line);
  }

  .page-news .series-node:first-child {
    border-left: 0;
    padding-left: 0;
  }

  .page-news .series-node::before {
    top: -6px;
    left: 30px;
  }

  .page-news .series-node:first-child::before {
    left: 0;
  }
}

@media (max-width: 899px) {
  .page-news .col-hero__index {
    padding-bottom: 0;
  }

  .page-news .col-hero__index b {
    min-width: 0;
    font-size: 20px;
  }

  .page-news .col-list__figure,
  .page-news .col-cats__figure,
  .page-news .col-archive__figure {
    max-width: 460px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .entry {
    animation: none;
  }

  .page-news .entry,
  .page-news .entry__meta,
  .page-news .entry__peek,
  .page-news .cat-chip {
    transition: none;
  }

  .page-news .entry:hover {
    transform: none;
  }
}