.page-news{
  --news-hair: rgba(244,237,225,.16);
  --news-hair-dark: rgba(8,26,46,.14);
  --news-rail: 22px;
  --news-text-on-dark: rgba(244,237,225,.82);
}

/* ---------- 首屏 ---------- */
.page-news .news-hero{
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(120% 90% at 88% 0%, rgba(47,212,198,.16), transparent 62%),
    radial-gradient(90% 80% at 6% 100%, rgba(255,106,43,.14), transparent 60%),
    var(--jb-ink);
  color: var(--jb-cream);
  padding-bottom: clamp(44px, 6vw, 88px);
}
.page-news .news-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background-image: repeating-linear-gradient(118deg, transparent 0 40px, rgba(169,240,231,.055) 40px 41px);
  pointer-events:none;
}
.page-news .news-hero::after{
  content:"";
  position:absolute;
  right:-14%;
  top:-22%;
  width: min(52vw, 640px);
  height: min(52vw, 640px);
  background: radial-gradient(circle, rgba(255,106,43,.24), transparent 68%);
  pointer-events:none;
}
.page-news .news-hero__inner{
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(24px, 4vw, 48px);
  align-items: center;
}
.page-news .news-hero__copy{
  background: var(--jb-cream);
  color: var(--jb-ink);
  padding: clamp(26px, 4vw, 46px);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 38px), calc(100% - 38px) 100%, 0 100%);
}
.page-news .news-hero__crumbs{
  margin: 0 0 18px;
  color: var(--jb-slate);
}
.page-news .news-hero__crumbs a{
  color: var(--jb-ink-2);
  text-decoration: none;
}
.page-news .news-hero__crumbs a:hover{
  color: var(--jb-orange-deep);
}
.page-news .news-hero__eyebrow{
  margin: 0;
  font-family: var(--jb-font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--jb-orange-deep);
}
.page-news .news-hero__title{
  margin: 12px 0 0;
  font-family: var(--jb-font-display);
  font-size: clamp(30px, 5.4vw, 54px);
  line-height: 1.06;
  letter-spacing: -.02em;
  color: var(--jb-ink);
}
.page-news .news-hero__lede{
  margin: 18px 0 0;
  max-width: 48ch;
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.85;
  color: var(--jb-ink-2);
}
.page-news .news-hero__actions{
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}
.page-news .news-hero__figure{
  margin: 0;
  clip-path: polygon(0 32px, 32px 0, 100% 0, 100% calc(100% - 32px), calc(100% - 32px) 100%, 0 100%);
  overflow: hidden;
}
.page-news .news-hero__figure img{
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  filter: saturate(.72) contrast(1.05);
}

/* ---------- 本期摘要 ---------- */
.page-news .news-brief{
  background: var(--jb-cream);
  color: var(--jb-ink);
  padding-block: clamp(44px, 6vw, 84px);
}
.page-news .news-brief__grid{
  display: grid;
  gap: clamp(26px, 4vw, 56px);
  align-items: start;
}
.page-news .news-brief__figure{
  margin: 0;
  overflow: hidden;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 28px), calc(100% - 28px) 100%, 0 100%);
  background: var(--jb-ink-2);
}
.page-news .news-brief__figure img{
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  filter: saturate(.7) contrast(1.05);
}
.page-news .news-brief__cap{
  display: block;
  padding: 10px 14px;
  font-family: var(--jb-font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--jb-cream);
  background: var(--jb-ink-2);
}
.page-news .news-brief__title{
  margin: 10px 0 0;
  font-size: clamp(24px, 3.4vw, 34px);
  line-height: 1.2;
  color: var(--jb-ink);
}
.page-news .news-brief__list{
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
}
.page-news .brief-item{
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  column-gap: 12px;
  row-gap: 6px;
  padding: 18px 0;
  border-top: 1px solid var(--news-hair-dark);
}
.page-news .brief-item:last-child{
  border-bottom: 1px solid var(--news-hair-dark);
}
.page-news .brief-item__num{
  grid-row: 1 / span 2;
  font-family: var(--jb-font-mono);
  font-size: 13px;
  letter-spacing: .08em;
  color: var(--jb-orange-deep);
  padding-top: 3px;
}
.page-news .brief-item__title{
  margin: 0;
  font-size: clamp(16px, 1.8vw, 19px);
  line-height: 1.35;
  color: var(--jb-ink);
}
.page-news .brief-item__text{
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--jb-ink-2);
}

/* ---------- 更新日志 ---------- */
.page-news .news-log{
  position: relative;
  background:
    radial-gradient(100% 70% at 100% 0%, rgba(47,212,198,.12), transparent 60%),
    var(--jb-ink-2);
  color: var(--jb-cream);
  padding-block: clamp(46px, 6vw, 88px);
}
.page-news .news-log::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:
    linear-gradient(rgba(169,240,231,.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(169,240,231,.05) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events:none;
}
.page-news .news-log .jb-wrap{
  position: relative;
  z-index: 1;
}
.page-news .news-log__head{
  max-width: 60ch;
  margin-bottom: clamp(26px, 4vw, 46px);
}
.page-news .news-log__title{
  margin: 10px 0 0;
  color: var(--jb-cream);
  font-size: clamp(24px, 3.4vw, 36px);
  line-height: 1.18;
}
.page-news .news-log__sub{
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--news-text-on-dark);
}
.page-news .news-log__grid{
  display: grid;
  gap: clamp(24px, 3vw, 44px);
}

/* 左侧栏 */
.page-news .log-rail{
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--news-hair);
}
.page-news .log-rail__head{
  margin: 0 0 10px;
  font-family: var(--jb-font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--jb-cyan-light);
}
.page-news .log-rail__list{
  list-style: none;
  margin: 0;
  padding: 0;
}
.page-news .log-rail__list li{
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 0;
  border-bottom: 1px dashed var(--news-hair);
  font-size: 13px;
}
.page-news .log-rail__count{
  margin-left: auto;
  font-family: var(--jb-font-mono);
  font-size: 12px;
  color: var(--jb-cream);
}
.page-news .log-rail__link{
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--news-text-on-dark);
  text-decoration: none;
  width: 100%;
}
.page-news .log-rail__link:hover{
  color: var(--jb-cyan-light);
}
.page-news .log-rail__code{
  font-family: var(--jb-font-mono);
  font-size: 12px;
  color: var(--jb-orange);
}
.page-news .log-rail__note{
  grid-column: 1 / -1;
  margin: 0;
  font-size: 12.5px;
  line-height: 1.8;
  color: rgba(244,237,225,.6);
}

/* 标签 */
.page-news .log-tag{
  display: inline-flex;
  align-items: center;
  font-family: var(--jb-font-mono);
  font-size: 11px;
  letter-spacing: .05em;
  padding: 3px 8px;
  border: 1px solid currentColor;
  line-height: 1.5;
  white-space: nowrap;
}
.page-news .log-tag--entry{ color: var(--jb-orange); }
.page-news .log-tag--doc{ color: var(--jb-cyan); }
.page-news .log-tag--release{ color: var(--jb-cream); }
.page-news .log-tag--taxonomy{ color: var(--jb-cyan-light); }

/* 时间轴 */
.page-news .log-stream{
  position: relative;
  padding-left: var(--news-rail);
}
.page-news .log-stream::before{
  content:"";
  position: absolute;
  left: 4px;
  top: 8px;
  bottom: 8px;
  width: 1px;
  background: linear-gradient(180deg, rgba(255,106,43,.85), rgba(47,212,198,.75));
}
.page-news .log-batch{
  position: relative;
}
.page-news .log-batch + .log-batch{
  margin-top: 34px;
}
.page-news .log-batch__head{
  display: flex;
  align-items: baseline;
  gap: 12px;
  flex-wrap: wrap;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--news-hair);
}
.page-news .log-batch__code{
  font-family: var(--jb-font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--jb-ink);
  background: var(--jb-orange);
  padding: 2px 8px;
}
.page-news .log-batch__title{
  margin: 0;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: .01em;
  color: var(--jb-cream);
}

/* 单条日志 */
.page-news .log-item{
  position: relative;
  border-bottom: 1px solid var(--news-hair);
}
.page-news .log-item::before{
  content:"";
  position: absolute;
  left: calc(var(--news-rail) * -1);
  top: 26px;
  width: 9px;
  height: 9px;
  background: var(--jb-cyan);
  transform: rotate(45deg);
  transition: background-color .25s var(--jb-ease);
}
.page-news .log-item--entry::before{
  background: var(--jb-orange);
}
.page-news .log-item[open]::before{
  background: var(--jb-cyan-light);
}
.page-news .log-item__summary{
  list-style: none;
  cursor: pointer;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 26px;
  align-items: start;
  column-gap: 14px;
  row-gap: 7px;
  padding: 20px 0 22px;
  transition: color .2s var(--jb-ease);
}
.page-news .log-item__summary::-webkit-details-marker{ display: none; }
.page-news .log-item__summary:hover .log-item__title{
  color: var(--jb-cyan-light);
}
.page-news .log-item__head{
  grid-column: 1;
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}
.page-news .log-item__code{
  font-family: var(--jb-font-mono);
  font-size: 11.5px;
  letter-spacing: .08em;
  color: rgba(244,237,225,.55);
}
.page-news .log-item__title{
  grid-column: 1;
  font-size: clamp(16px, 1.9vw, 19px);
  line-height: 1.4;
  font-weight: 600;
  color: var(--jb-cream);
  transition: color .2s var(--jb-ease);
}
.page-news .log-item__digest{
  grid-column: 1;
  font-size: 14px;
  line-height: 1.8;
  color: var(--news-text-on-dark);
}
.page-news .log-item__toggle{
  grid-column: 2;
  grid-row: 1 / -1;
  align-self: center;
  justify-self: end;
  position: relative;
  width: 22px;
  height: 22px;
  border: 1px solid var(--news-hair);
  transition: border-color .2s var(--jb-ease);
}
.page-news .log-item__summary:hover .log-item__toggle{
  border-color: var(--jb-cyan);
}
.page-news .log-item__toggle::before,
.page-news .log-item__toggle::after{
  content:"";
  position: absolute;
  left: 50%;
  top: 50%;
  background: var(--jb-cyan);
}
.page-news .log-item__toggle::before{
  width: 10px;
  height: 1px;
  transform: translate(-50%, -50%);
}
.page-news .log-item__toggle::after{
  width: 1px;
  height: 10px;
  transform: translate(-50%, -50%);
  transition: transform .22s var(--jb-ease);
}
.page-news .log-item[open] .log-item__toggle::after{
  transform: translate(-50%, -50%) scaleY(0);
}
.page-news .log-item__body{
  max-width: 64ch;
  padding: 0 0 26px;
  color: var(--news-text-on-dark);
  font-size: 14.5px;
  line-height: 1.9;
  animation: news-open .32s var(--jb-ease) both;
}
.page-news .log-item__body p{
  margin: 0 0 12px;
}
.page-news .log-item__body p:last-child{
  margin-bottom: 0;
}
.page-news .log-item__figure{
  margin: 14px 0 16px;
  overflow: hidden;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 22px), calc(100% - 22px) 100%, 0 100%);
  background: var(--jb-ink);
}
.page-news .log-item__figure img{
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  filter: saturate(.7) contrast(1.05);
}
.page-news .log-item__figure--wide img{
  aspect-ratio: 3 / 2;
}
.page-news .log-item__cap{
  display: block;
  padding: 8px 12px;
  background: var(--jb-ink);
  font-family: var(--jb-font-mono);
  font-size: 11.5px;
  letter-spacing: .04em;
  color: rgba(244,237,225,.7);
}
.page-news .log-item__meta{
  font-family: var(--jb-font-mono);
  font-size: 11.5px;
  letter-spacing: .06em;
  color: var(--jb-cyan);
}

@keyframes news-open{
  from{ opacity: 0; transform: translateY(-6px); }
  to{ opacity: 1; transform: none; }
}

/* ---------- 当前版本卡 ---------- */
.page-news .news-version{
  background: var(--jb-cream-2);
  color: var(--jb-ink);
  padding-block: clamp(44px, 6vw, 84px);
}
.page-news .news-version__title{
  margin: 10px 0 26px;
  font-size: clamp(24px, 3.4vw, 34px);
  line-height: 1.2;
  color: var(--jb-ink);
}
.page-news .version-card{
  background: #fff;
  border-top: 4px solid var(--jb-orange);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 30px), calc(100% - 30px) 100%, 0 100%);
  box-shadow: 0 18px 40px rgba(8,26,46,.1);
  padding: clamp(20px, 3vw, 34px);
}
.page-news .version-card__top{
  display: flex;
  align-items: baseline;
  gap: 14px;
  flex-wrap: wrap;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--news-hair-dark);
}
.page-news .version-card__code{
  font-family: var(--jb-font-mono);
  font-size: 20px;
  letter-spacing: .06em;
  color: var(--jb-orange-deep);
}
.page-news .version-card__label{
  font-family: var(--jb-font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--jb-slate);
}
.page-news .version-card__rows{
  display: grid;
}
.page-news .ver-row{
  display: grid;
  gap: 6px;
  padding: 16px 0;
  border-bottom: 1px solid var(--news-hair-dark);
}
.page-news .ver-row__k{
  font-family: var(--jb-font-mono);
  font-size: 12.5px;
  letter-spacing: .06em;
  color: var(--jb-ink);
}
.page-news .ver-row__v{
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--jb-ink-2);
}
.page-news .ver-row__link{
  justify-self: start;
  font-family: var(--jb-font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--jb-orange-deep);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
  padding-bottom: 2px;
}
.page-news .ver-row__link:hover{
  color: var(--jb-ink);
}
.page-news .version-card__foot{
  margin: 18px 0 0;
  font-size: 13px;
  line-height: 1.8;
  color: var(--jb-slate);
}

/* ---------- 后续入口 ---------- */
.page-news .news-next{
  position: relative;
  background:
    radial-gradient(90% 80% at 0% 0%, rgba(47,212,198,.16), transparent 62%),
    var(--jb-ink);
  color: var(--jb-cream);
  padding-block: clamp(44px, 6vw, 84px);
}
.page-news .news-next__title{
  margin: 10px 0 26px;
  color: var(--jb-cream);
  font-size: clamp(24px, 3.4vw, 34px);
  line-height: 1.2;
}
.page-news .news-next__grid{
  display: grid;
  gap: 16px;
}
.page-news .next-card{
  display: grid;
  gap: 8px;
  padding: 22px 20px 24px;
  background: rgba(244,237,225,.06);
  border: 1px solid var(--news-hair);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 20px), calc(100% - 20px) 100%, 0 100%);
  text-decoration: none;
  color: var(--jb-cream);
  transition: background-color .25s var(--jb-ease), border-color .25s var(--jb-ease);
}
.page-news .next-card:hover{
  background: rgba(255,106,43,.1);
  border-color: var(--jb-orange);
}
.page-news .next-card__code{
  font-family: var(--jb-font-mono);
  font-size: 11.5px;
  letter-spacing: .1em;
  color: var(--jb-orange);
}
.page-news .next-card__title{
  margin: 0;
  font-size: 18px;
  line-height: 1.3;
  color: var(--jb-cream);
}
.page-news .next-card__text{
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--news-text-on-dark);
}
.page-news .next-card__go{
  margin-top: 6px;
  font-family: var(--jb-font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--jb-cyan);
}
.page-news .news-next__note{
  margin: 22px 0 0;
  max-width: 62ch;
  font-size: 13.5px;
  line-height: 1.9;
  color: rgba(244,237,225,.68);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px){
  .page-news{
    --news-rail: 28px;
  }
  .page-news .news-next__grid{
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-news .ver-row{
    grid-template-columns: 132px minmax(0, 1fr);
    align-items: start;
    column-gap: 20px;
  }
  .page-news .ver-row__k{
    grid-row: 1 / span 2;
    padding-top: 2px;
  }
  .page-news .ver-row__link{
    grid-column: 2;
  }
}

@media (min-width: 900px){
  .page-news .news-hero__inner{
    grid-template-columns: 7fr 5fr;
  }
  .page-news .news-brief__grid{
    grid-template-columns: 0.9fr 1.1fr;
  }
  .page-news .news-next__grid{
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 1024px){
  .page-news{
    --news-rail: 34px;
  }
  .page-news .news-log__grid{
    grid-template-columns: 258px minmax(0, 1fr);
    gap: clamp(28px, 4vw, 64px);
    align-items: start;
  }
  .page-news .log-rail{
    position: sticky;
    top: calc(var(--jb-header-h) + 26px);
    display: block;
    padding-bottom: 0;
    border-bottom: 0;
    border-left: 1px solid var(--news-hair);
    padding-left: 20px;
  }
  .page-news .log-rail__block + .log-rail__block{
    margin-top: 26px;
  }
  .page-news .log-rail__note{
    margin-top: 22px;
  }
  .page-news .ver-row{
    grid-template-columns: 152px minmax(0, 1fr) auto;
    column-gap: 24px;
    align-items: baseline;
  }
  .page-news .ver-row__k{
    grid-row: auto;
  }
  .page-news .ver-row__link{
    grid-column: 3;
    justify-self: end;
  }
}

@media (prefers-reduced-motion: reduce){
  .page-news .log-item__body{
    animation: none;
  }
  .page-news .log-item__toggle::after,
  .page-news .log-item::before,
  .page-news .next-card{
    transition: none;
  }
}
<<<END>>>