.page-news .col-hero{
  padding-block: clamp(20px, 4vw, 48px) clamp(24px, 5vw, 56px);
  background-image: linear-gradient(115deg, transparent 0 58%, rgba(123, 245, 214, .07) 58% 100%);
}

.page-news .col-hero__inner{
  display: grid;
  gap: clamp(24px, 4vw, 44px);
  min-width: 0;
}

.page-news .col-hero__body{
  display: flex;
  flex-direction: column;
  gap: 18px;
  min-width: 0;
}

.page-news .col-hero__title{
  margin: 0;
  font-size: clamp(30px, 8vw, 58px);
  line-height: 1.06;
  letter-spacing: -.02em;
}

.page-news .col-hero__lead{
  margin: 0;
  max-width: 56ch;
  font-size: clamp(15px, 1.7vw, 17px);
  line-height: 1.8;
  color: var(--muted);
}

.page-news .col-hero__actions{
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-news .col-hero__media{
  min-width: 0;
  --figure-ratio: 7 / 4;
}

.page-news .col-meta{
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin: 4px 0 0;
  padding: 0;
  list-style: none;
}

.page-news .col-meta__item{
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding-left: 12px;
  border-left: 2px solid var(--line);
}

.page-news .col-meta__num{
  font-family: var(--font-mono);
  font-size: 24px;
  font-weight: 700;
  line-height: 1.1;
  color: var(--cyan);
}

.page-news .col-meta__label{
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--muted);
}

/* 公告条 */
.page-news .announce{
  margin-top: clamp(8px, 2vw, 16px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--ink-700);
  overflow: hidden;
}

.page-news .announce__head{
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 16px;
  background: rgba(155, 123, 255, .14);
  border-bottom: 1px solid var(--line);
}

.page-news .announce__title{
  margin: 0;
  font-size: 12px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--violet);
}

.page-news .announce__list{
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .announce__item{
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px;
  padding: 12px 16px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--paper);
  border-top: 1px solid rgba(30, 90, 76, .6);
}

.page-news .announce__item:first-child{
  border-top: 0;
}

.page-news .announce__item > span:nth-child(2){
  flex: 1 1 220px;
  min-width: 0;
}

.page-news .announce__when{
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--muted);
}

/* 三栏布局 */
.page-news .col-layout{
  display: grid;
  gap: clamp(22px, 3vw, 36px);
  padding-block: clamp(28px, 5vw, 56px);
  align-items: start;
}

/* 左侧分类 */
.page-news .side-nav{
  min-width: 0;
}

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

.page-news .side-nav__list{
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .side-nav__link{
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--ink-700);
  color: var(--paper);
  font-size: 13px;
  text-decoration: none;
  transition: border-color .2s ease, color .2s ease, background-color .2s ease;
}

.page-news .side-nav__link:hover,
.page-news .side-nav__link:focus-visible{
  border-color: var(--cyan);
  color: var(--cyan);
}

.page-news .side-nav__count{
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--orange);
}

/* 列表区 */
.page-news .col-feed{
  min-width: 0;
}

.page-news .feed-group{
  padding-top: clamp(22px, 3vw, 36px);
  margin-top: clamp(22px, 3vw, 36px);
  border-top: 1px solid var(--line);
}

.page-news .feed-group:first-child{
  margin-top: 0;
  padding-top: 0;
  border-top: 0;
}

.page-news .feed-group__head{
  display: grid;
  gap: 18px;
  margin-bottom: 8px;
  min-width: 0;
}

.page-news .feed-group__title{
  margin: 6px 0 8px;
  font-family: var(--font-display);
  font-size: clamp(22px, 3vw, 30px);
  font-weight: 900;
  letter-spacing: -.01em;
  color: var(--paper);
}

.page-news .feed-group__note{
  margin: 0;
  max-width: 60ch;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--muted);
}

.page-news .feed-group__media{
  min-width: 0;
  --figure-ratio: 16 / 9;
}

.page-news .feed-list{
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .feed-item{
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 12px;
  padding: 18px 0;
  border-top: 1px dashed rgba(30, 90, 76, .8);
  transition: background-color .2s ease;
}

.page-news .feed-item:first-child{
  border-top: 0;
}

.page-news .feed-item:hover{
  background: rgba(20, 61, 52, .4);
}

.page-news .feed-item__num{
  font-family: var(--font-mono);
  font-size: 17px;
  font-weight: 700;
  line-height: 1.4;
  letter-spacing: -.02em;
  color: var(--orange);
}

.page-news .feed-item__body{
  min-width: 0;
}

.page-news .feed-item__top{
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
}

.page-news .feed-item__when{
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--muted);
}

.page-news .feed-item__title{
  margin: 0 0 6px;
  font-size: clamp(16px, 2vw, 19px);
  font-weight: 700;
  line-height: 1.45;
  color: var(--paper);
}

.page-news .feed-item__desc{
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--muted);
}

.page-news .feed-item__link{
  display: inline-block;
  margin-top: 10px;
  padding-bottom: 2px;
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(123, 245, 214, .45);
}

.page-news .feed-item__link:hover,
.page-news .feed-item__link:focus-visible{
  border-bottom-color: var(--cyan);
}

/* 右侧卡片 */
.page-news .side-stack{
  display: grid;
  gap: 16px;
  min-width: 0;
}

.page-news .side-card{
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 10px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--ink-600);
}

.page-news .side-card--violet{
  background: rgba(155, 123, 255, .16);
  border-color: rgba(155, 123, 255, .45);
}

.page-news .side-card__title{
  margin: 0;
  font-size: 15px;
  font-weight: 700;
  color: var(--paper);
}

.page-news .side-card__text{
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

/* 专题系列 */
.page-news .series{
  position: relative;
  padding-block: clamp(34px, 6vw, 64px);
  border-top: 1px solid var(--line);
}

.page-news .series::before{
  content: "";
  position: absolute;
  inset-inline: 0;
  top: 0;
  height: 5px;
  background: linear-gradient(90deg,
    var(--cyan) 0 24%,
    var(--orange) 24% 48%,
    var(--violet) 48% 68%,
    var(--line) 68% 100%);
}

.page-news .series__lead{
  display: grid;
  gap: 22px;
  margin-top: 22px;
  min-width: 0;
}

.page-news .series__media{
  min-width: 0;
  --figure-ratio: 3 / 2;
}

.page-news .series__intro{
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 12px;
  min-width: 0;
}

.page-news .series__title{
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(20px, 2.6vw, 26px);
  font-weight: 900;
  line-height: 1.35;
  color: var(--paper);
}

.page-news .series__text{
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--muted);
}

.page-news .series__entries{
  display: grid;
  gap: 12px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.page-news .series-card{
  display: flex;
  flex-direction: column;
  gap: 8px;
  height: 100%;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--ink-600);
  text-decoration: none;
  transition: border-color .2s ease, transform .2s ease;
}

.page-news .series-card:hover,
.page-news .series-card:focus-visible{
  border-color: var(--cyan);
  transform: translateY(-2px);
}

.page-news .series-card__kicker{
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .12em;
  color: var(--orange);
}

.page-news .series-card__title{
  font-size: 15.5px;
  font-weight: 700;
  color: var(--paper);
}

.page-news .series-card__text{
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

/* 更新节奏 */
.page-news .recent{
  padding-block: clamp(34px, 6vw, 64px);
  border-top: 1px solid var(--line);
}

.page-news .recent__list{
  display: grid;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

.page-news .recent-row{
  display: grid;
  gap: 6px;
  padding: 16px 0;
  border-bottom: 1px solid rgba(30, 90, 76, .6);
}

.page-news .recent-row__when{
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--orange);
}

.page-news .recent-row__text{
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--muted);
}

/* 订阅与反馈 */
.page-news .join{
  padding-block: clamp(34px, 6vw, 64px) clamp(44px, 7vw, 80px);
  border-top: 1px solid var(--line);
}

.page-news .join__box{
  display: grid;
  gap: 24px;
  padding: clamp(20px, 4vw, 38px);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--ink-700);
  min-width: 0;
}

.page-news .join__body{
  min-width: 0;
}

.page-news .join__title{
  margin: 8px 0 12px;
  font-family: var(--font-display);
  font-size: clamp(22px, 3.2vw, 32px);
  font-weight: 900;
  line-height: 1.3;
  letter-spacing: -.01em;
  color: var(--paper);
}

.page-news .join__text{
  margin: 0 0 18px;
  max-width: 62ch;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--muted);
}

.page-news .join__actions{
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-news .join__note{
  margin: 16px 0 0;
  font-size: 12px;
  line-height: 1.7;
  color: var(--muted);
}

.page-news .join__side{
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
  min-width: 0;
}

.page-news .join__side-label{
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-news .join__tags{
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .join__link{
  align-self: flex-start;
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(123, 245, 214, .45);
}

.page-news a:focus-visible,
.page-news button:focus-visible{
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

@media (min-width: 600px){
  .page-news .col-meta{
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-news .series__entries{
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-news .recent-row{
    grid-template-columns: 150px minmax(0, 1fr);
    gap: 20px;
    align-items: baseline;
  }
}

@media (min-width: 780px){
  .page-news .col-hero__inner{
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
    align-items: center;
  }

  .page-news .feed-group__head{
    grid-template-columns: minmax(0, 1fr) 260px;
    align-items: start;
  }

  .page-news .series__lead{
    grid-template-columns: minmax(0, .95fr) minmax(0, 1.05fr);
    align-items: center;
  }

  .page-news .join__box{
    grid-template-columns: minmax(0, 1.3fr) minmax(0, .7fr);
  }

  .page-news .join__side{
    padding-top: 0;
    padding-left: 24px;
    border-top: 0;
    border-left: 1px solid var(--line);
  }

  .page-news .feed-item{
    gap: 20px;
  }

  .page-news .feed-item__num{
    font-size: 22px;
  }
}

@media (min-width: 1000px){
  .page-news .col-layout{
    grid-template-columns: 180px minmax(0, 1fr) 290px;
    gap: clamp(24px, 3vw, 40px);
  }

  .page-news .side-nav{
    position: sticky;
    top: 96px;
  }

  .page-news .side-nav__list{
    flex-direction: column;
    flex-wrap: nowrap;
    gap: 0;
  }

  .page-news .side-nav__link{
    justify-content: space-between;
    width: 100%;
    padding: 10px 0 10px 12px;
    border: 0;
    border-left: 2px solid var(--line);
    border-radius: 0;
    background: transparent;
    font-size: 14px;
  }

  .page-news .side-nav__link:hover,
  .page-news .side-nav__link:focus-visible{
    border-left-color: var(--cyan);
    color: var(--cyan);
  }

  .page-news .side-stack{
    position: sticky;
    top: 96px;
  }

  .page-news .series__entries{
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce){
  .page-news .series-card{
    transition: none;
  }

  .page-news .series-card:hover,
  .page-news .series-card:focus-visible{
    transform: none;
  }
}