.page-news{
  --news-radius: 14px;
  --news-ease: var(--ease-out);
  background: var(--color-paper);
  color: var(--color-body);
  overflow-x: hidden;
}

/* ========== 首屏封面 ========== */
.page-news__hero{
  position: relative;
}
.page-news__hero-inner{
  padding-top: clamp(110px, 16vh, 168px);
  padding-bottom: 56px;
}
.page-news__hero-main{
  max-width: 780px;
}
.page-news__hero-tag{
  margin-bottom: 20px;
}
.page-news__hero-title{
  margin: 0;
  font-size: clamp(2.6rem, 8vw, 4rem);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.04em;
  color: #fff;
}
.page-news__hero-subtitle{
  margin: 14px 0 0;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  letter-spacing: 0.14em;
  color: var(--color-accent);
}
.page-news__hero-lede{
  margin: 24px 0 0;
  max-width: 620px;
  font-size: 1.02rem;
  line-height: 1.75;
  color: rgba(255, 255, 255, 0.82);
}
.page-news__hero-meta{
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin-top: 36px;
  padding-top: 18px;
  border-top: 1px solid rgba(255, 255, 255, 0.16);
}
.page-news__meta-label{
  display: block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: rgba(255, 255, 255, 0.55);
}
.page-news__meta-value{
  display: block;
  font-size: 1rem;
  font-weight: 700;
  color: #fff;
  margin-top: 4px;
}

/* 封面索引 */
.page-news__cover-index{
  margin-top: 36px;
  padding: 20px;
  border-radius: var(--news-radius);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(8px);
}
.page-news__cover-label{
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  color: rgba(255, 255, 255, 0.5);
}
.page-news__cover-list{
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  counter-reset: item;
  display: grid;
  gap: 10px;
}
.page-news__cover-list li{
  counter-increment: item;
  display: flex;
  align-items: baseline;
}
.page-news__cover-list li::before{
  content: counter(item, decimal-leading-zero);
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--color-accent);
  margin-right: 10px;
}
.page-news__cover-list a{
  display: inline-flex;
  text-decoration: none;
  color: rgba(255, 255, 255, 0.85);
  font-size: 0.92rem;
  line-height: 1.4;
  border-bottom: 1px solid transparent;
  transition: border-color 0.25s var(--news-ease), color 0.25s var(--news-ease);
}
.page-news__cover-list a:hover{
  color: #fff;
  border-bottom-color: var(--color-accent);
}

/* ========== 置顶公告 ========== */
.page-news__notice{
  padding: 48px 0 20px;
}
.page-news__notice-card{
  background: linear-gradient(135deg, var(--color-deep), #112348 70%, var(--color-deep-lt));
  border-radius: 22px;
  padding: clamp(22px, 4vw, 40px);
  color: #fff;
  box-shadow: 0 18px 50px rgba(10, 27, 61, 0.18);
}
.page-news__notice-head{
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  cursor: pointer;
  list-style: none;
}
.page-news__notice-head::-webkit-details-marker{
  display: none;
}
.page-news__notice-tag{
  color: var(--color-accent);
}
.page-news__notice-title{
  margin: 14px 0 0;
  font-size: clamp(1.35rem, 3.6vw, 2rem);
  font-weight: 800;
  line-height: 1.3;
  color: #fff;
}
.page-news__notice-toggle{
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 1.5rem;
  line-height: 1;
  color: var(--color-accent);
  margin-top: 4px;
  transition: transform 0.35s var(--news-ease);
}
.page-news__notice-card[open] .page-news__notice-toggle{
  transform: rotate(45deg);
}
.page-news__notice-body{
  display: grid;
  gap: 28px;
  margin-top: 28px;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
  padding-top: 28px;
}
.page-news__notice-text{
  margin: 0;
  font-size: 1rem;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.88);
}
.page-news__notice-sub{
  margin: 16px 0 0;
  padding-left: 16px;
  border-left: 3px solid var(--color-accent);
  font-size: 0.88rem;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.7);
}
.page-news__notice-copy .btn{
  margin-top: 24px;
}
.page-news__notice-figure{
  margin: 0;
}
.page-news__notice-media{
  border-radius: var(--news-radius);
  overflow: hidden;
}
.page-news__notice-figure img{
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.page-news__figcap{
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: rgba(255, 255, 255, 0.5);
  margin-top: 10px;
}

/* ========== 动态索引主体 ========== */
.page-news__index{
  padding: 56px 0 0;
}
.page-news__index-head{
  max-width: 720px;
  margin-bottom: 40px;
}
.page-news__index-title{
  margin: 14px 0 0;
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--color-deep);
}
.page-news__index-desc{
  margin: 16px 0 0;
  color: var(--color-muted);
  line-height: 1.7;
}
.page-news__grid{
  display: grid;
  gap: 56px 40px;
  align-items: start;
}
.page-news__side{
  display: grid;
  gap: 44px;
}

/* 栏目头部 */
.page-news__col-head{
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 14px;
  border-bottom: 2px solid var(--color-deep);
  margin-bottom: 14px;
}
.page-news__col-title{
  margin: 10px 0 0;
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--color-deep);
}
.page-news__col-note{
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--color-accent);
  background: rgba(242, 99, 58, 0.1);
  padding: 5px 10px;
  border-radius: 999px;
}
.page-news__col-desc{
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.7;
  color: var(--color-muted);
}

/* ========== 版本迭代时间线 ========== */
.page-news__timeline-list{
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  position: relative;
}
.page-news__timeline-list::before{
  content: '';
  position: absolute;
  left: 7px;
  top: 6px;
  bottom: 6px;
  width: 1px;
  background: var(--color-line);
}
.page-news__timeline-item{
  position: relative;
  padding: 0 0 22px 28px;
}
.page-news__timeline-item::before{
  content: '';
  position: absolute;
  left: 2px;
  top: 8px;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: #fff;
  border: 2px solid var(--color-accent);
  transition: box-shadow 0.25s var(--news-ease);
}
.page-news__timeline-item:hover::before{
  box-shadow: 0 0 0 6px rgba(242, 99, 58, 0.18);
}
.page-news__timeline-item.is-latest::before{
  background: var(--color-accent);
  box-shadow: 0 0 0 6px rgba(242, 99, 58, 0.16);
}
.page-news__timeline-body{
  background: #fff;
  border: 1px solid var(--color-line);
  border-left: 3px solid transparent;
  border-radius: 12px;
  padding: 16px 18px;
  transition: border-color 0.25s var(--news-ease), transform 0.25s var(--news-ease);
}
.page-news__timeline-item:hover .page-news__timeline-body{
  border-left-color: var(--color-accent);
  transform: translateX(4px);
}
.page-news__timeline-item.is-latest .page-news__timeline-body{
  border-color: rgba(27, 58, 123, 0.35);
  border-left-color: var(--color-accent);
  background: linear-gradient(120deg, #fff, rgba(242, 99, 58, 0.04));
}
.page-news__version{
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.1em;
  color: var(--color-accent);
}
.page-news__timeline-body h4{
  margin: 6px 0 4px;
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-body);
}
.page-news__timeline-body p{
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.6;
  color: var(--color-muted);
}
.page-news__timeline-bg{
  margin: 30px 0 0;
  position: relative;
  aspect-ratio: 1600 / 300;
  border-radius: 12px;
  overflow: hidden;
  background: var(--color-deep);
}
.page-news__timeline-bg img{
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.page-news__figcap--overlay{
  position: absolute;
  left: 16px;
  bottom: 12px;
  margin: 0;
  color: rgba(255, 255, 255, 0.78);
  background: rgba(10, 15, 28, 0.42);
  padding: 4px 10px;
  border-radius: 6px;
  letter-spacing: 0.08em;
}

/* ========== 案例合集 ========== */
.page-news__case-cover{
  margin: 0 0 20px;
  max-width: 260px;
  aspect-ratio: 1 / 1;
  border-radius: 12px;
  overflow: hidden;
}
.page-news__case-cover img{
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.page-news__filter{
  position: relative;
  margin-top: 18px;
}
.page-news__case-radio{
  position: absolute;
  opacity: 0;
  pointer-events: none;
}
.page-news__case-labels{
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 14px;
}
.page-news__case-labels label{
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.04em;
  padding: 6px 14px;
  border: 1px solid var(--color-line);
  border-radius: 999px;
  color: var(--color-muted);
  transition: background-color 0.25s var(--news-ease), color 0.25s var(--news-ease), border-color 0.25s var(--news-ease);
}
.page-news__case-labels label:hover{
  border-color: var(--color-accent);
  color: var(--color-accent);
}
.page-news #page-news-case-all:checked ~ .page-news__case-labels label[for="page-news-case-all"],
.page-news #page-news-case-content:checked ~ .page-news__case-labels label[for="page-news-case-content"],
.page-news #page-news-case-platform:checked ~ .page-news__case-labels label[for="page-news-case-platform"]{
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: #fff;
}
.page-news__case-list{
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}
.page-news__case-item{
  list-style: none;
  background: #fff;
  border: 1px solid var(--color-line);
  border-left: 3px solid transparent;
  border-radius: 12px;
  padding: 12px 14px;
  transition: border-color 0.25s var(--news-ease), transform 0.25s var(--news-ease);
}
.page-news__case-item:hover{
  border-left-color: var(--color-accent);
  transform: translateX(3px);
}
.page-news__case-tag{
  display: inline-flex;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  color: var(--color-muted);
}
.page-news__case-name{
  display: block;
  margin-top: 6px;
  font-size: 0.92rem;
  line-height: 1.55;
  color: var(--color-body);
}
.page-news #page-news-case-content:checked ~ .page-news__case-list li[data-case="platform"]{
  display: none;
}
.page-news #page-news-case-platform:checked ~ .page-news__case-list li[data-case="content"]{
  display: none;
}
.page-news__case-stats{
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-top: 20px;
  padding: 18px 0 0;
  border-top: 1px solid var(--color-line);
}
.page-news__case-stats strong{
  display: block;
  font-family: var(--font-mono);
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--color-deep);
}
.page-news__case-stats span{
  display: block;
  margin-top: 4px;
  font-size: 0.76rem;
  color: var(--color-muted);
}
.page-news__more{
  display: inline-flex;
  align-items: center;
  margin-top: 18px;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--color-deep);
  text-decoration: none;
  border-bottom: 2px solid var(--color-accent);
  padding-bottom: 2px;
  transition: color 0.25s var(--news-ease);
}
.page-news__more:hover{
  color: var(--color-accent);
}

/* ========== 订阅服务更新 ========== */
.page-news__sub-card{
  background: #fff;
  border: 1px solid var(--color-line);
  border-radius: 18px;
  padding: 22px;
}
.page-news__sub-cover{
  border-radius: 12px;
  overflow: hidden;
  margin-bottom: 18px;
}
.page-news__sub-cover img{
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.page-news__sub-new{
  display: inline-flex;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--color-accent);
  border: 1px solid rgba(242, 99, 58, 0.4);
  background: rgba(242, 99, 58, 0.08);
  padding: 4px 10px;
  border-radius: 999px;
}
.page-news__sub-title{
  margin: 14px 0 8px;
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--color-deep);
}
.page-news__sub-text{
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--color-muted);
}
.page-news__sub-features{
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  gap: 8px;
}
.page-news__sub-features li{
  position: relative;
  padding-left: 18px;
  font-size: 0.86rem;
  line-height: 1.6;
  color: var(--color-body);
}
.page-news__sub-features li::before{
  content: '';
  position: absolute;
  left: 2px;
  top: 10px;
  width: 6px;
  height: 6px;
  background: var(--color-accent);
  border-radius: 1px;
}
.page-news__sub-actions{
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
}

/* ========== 品牌立场收束 ========== */
.page-news__closing{
  padding: 72px 0 16px;
}
.page-news__closing-card{
  background: var(--color-ink);
  border-radius: 22px;
  padding: clamp(24px, 4vw, 44px);
  display: grid;
  gap: 20px;
  color: #fff;
}
.page-news__closing-tag{
  color: var(--color-accent);
}
.page-news__closing-title{
  margin: 12px 0 0;
  font-size: clamp(1.4rem, 3vw, 1.9rem);
  font-weight: 800;
  line-height: 1.3;
  color: #fff;
}
.page-news__closing-text{
  margin: 0;
  color: rgba(255, 255, 255, 0.82);
  line-height: 1.75;
}
.page-news__closing-actions{
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ========== 桌面端栅格进阶 ========== */
@media (min-width: 900px){
  .page-news__hero-inner{
    display: grid;
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 48px;
    align-items: end;
  }
  .page-news__cover-index{
    margin-top: 0;
  }
  .page-news__notice-body{
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
    gap: 40px;
    align-items: center;
  }
  .page-news__closing-card{
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: center;
  }
  .page-news__closing-actions{
    grid-column: 2;
    justify-content: flex-start;
  }
}

@media (min-width: 1024px){
  .page-news__grid{
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }
}

/* ========== 减震动效适配 ========== */
@media (prefers-reduced-motion: reduce){
  .page-news *,
  .page-news *::before,
  .page-news *::after{
    transition: none !important;
    animation: none !important;
  }
}