.page-news{
  --jn-radius:0;
  --jn-line-strong:1px solid var(--copper-500);
  background:var(--indigo-900);
  color:var(--gray);
  padding-bottom:3rem;
  overflow-x:hidden;
}

.page-news .breadcrumb{margin:1.5rem 0 1rem}
.page-news .breadcrumb ol{
  display:flex;
  flex-wrap:wrap;
  gap:.4rem;
  margin:0;
  padding:0;
  list-style:none;
  font-family:var(--font-mono);
  font-size:var(--fs-xs);
  letter-spacing:.04em;
}

/* ---------- 01 置顶卡 ---------- */
.page-news .jn-pin-wrap{padding:.5rem 0 2.75rem}

.page-news .jn-pin{
  position:relative;
  background:var(--paper);
  color:var(--indigo-900);
  border:1px solid var(--copper-500);
  box-shadow:var(--shadow-paper);
  padding:2.25rem 1.25rem 1.5rem;
  margin-top:1rem;
}

.page-news .jn-pin__flag{
  position:absolute;
  top:0;
  right:0;
  background:var(--copper-500);
  color:var(--indigo-900);
  font-family:var(--font-mono);
  font-size:var(--fs-mono);
  letter-spacing:.22em;
  padding:.35rem .8rem .3rem;
  font-weight:700;
}

.page-news .jn-pin__inner{
  display:grid;
  gap:1.5rem;
}

.page-news .jn-pin__body{min-width:0}

.page-news .jn-kicker{
  margin:0;
  font-family:var(--font-mono);
  font-size:var(--fs-mono);
  letter-spacing:.14em;
  color:#8a5f22;
}

.page-news .jn-pin h1{
  margin:.5rem 0 .85rem;
  font-size:clamp(1.7rem,6.4vw,3rem);
  font-weight:900;
  line-height:1.12;
  letter-spacing:-.015em;
  color:var(--indigo-900);
}

.page-news .jn-pin__lead{
  margin:0;
  max-width:36em;
  font-size:1rem;
  line-height:1.75;
  color:#3f4867;
}

.page-news .jn-pin__list{
  list-style:none;
  margin:1.5rem 0 0;
  padding:0;
  display:grid;
  gap:.9rem;
}

.page-news .jn-pin__list li{
  display:grid;
  grid-template-columns:auto 1fr;
  gap:.5rem .75rem;
  align-items:start;
  padding-top:.9rem;
  border-top:1px dashed rgba(11,21,51,.22);
}

.page-news .jn-pin__name{
  margin:0 0 .15rem;
  font-size:.9375rem;
  font-weight:700;
  line-height:1.45;
  color:var(--indigo-900);
}

.page-news .jn-pin__desc{
  margin:0;
  font-size:.8438rem;
  line-height:1.65;
  color:#4b5470;
}

.page-news .jn-tag{
  display:inline-block;
  white-space:nowrap;
  font-family:var(--font-mono);
  font-size:.6875rem;
  letter-spacing:.08em;
  padding:.12rem .45rem;
  border:1px solid currentColor;
  border-radius:999px;
  line-height:1.5;
}
.page-news .jn-tag--fixed{color:#1d8468}
.page-news .jn-tag--closed{color:#9c6b16}
.page-news .jn-tag--open{color:#c2470f}

.page-news .jn-pin__media{
  margin:0;
  border:1px solid rgba(11,21,51,.25);
  overflow:hidden;
}
.page-news .jn-pin__media img{
  display:block;
  width:100%;
  max-width:100%;
  height:auto;
  object-fit:cover;
}

/* ---------- 通用小标题 ---------- */
.page-news .jn-head{margin:0 0 1.25rem}
.page-news .jn-head h2{
  margin:.4rem 0 .7rem;
  font-size:var(--fs-h2);
  font-weight:900;
  line-height:1.16;
  letter-spacing:-.01em;
  color:var(--white);
}
.page-news .jn-head .lead{max-width:34em}

/* ---------- 02 时间轴 ---------- */
.page-news .jn-log{padding:2.75rem 0 3rem}

.page-news .jn-filterbar{
  position:sticky;
  top:var(--topbar-h);
  z-index:12;
  display:flex;
  flex-direction:column;
  gap:.7rem;
  padding:.75rem 0 .8rem;
  margin-bottom:1.5rem;
  background:linear-gradient(180deg,var(--indigo-900) 74%,rgba(11,21,51,.82));
  border-bottom:1px solid rgba(192,138,62,.22);
}

.page-news .jn-filtergroup{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:.4rem;
}

.page-news .jn-filtergroup__label{
  font-family:var(--font-mono);
  font-size:.6875rem;
  letter-spacing:.14em;
  color:#74809b;
  margin-right:.2rem;
}

.page-news .jn-chip{
  font-size:.8125rem;
  line-height:1.5;
  padding:.28rem .72rem;
  border:1px solid rgba(192,138,62,.42);
  border-radius:999px;
  color:var(--copper-200);
  cursor:pointer;
  transition:background .25s ease,border-color .25s ease,color .25s ease;
  user-select:none;
}
.page-news .jn-chip:hover{border-color:var(--orange);color:var(--white)}

.page-news #jn-cat-all:checked ~ .jn-filterbar label[for="jn-cat-all"],
.page-news #jn-cat-entry:checked ~ .jn-filterbar label[for="jn-cat-entry"],
.page-news #jn-cat-compat:checked ~ .jn-filterbar label[for="jn-cat-compat"],
.page-news #jn-cat-release:checked ~ .jn-filterbar label[for="jn-cat-release"],
.page-news #jn-cat-notice:checked ~ .jn-filterbar label[for="jn-cat-notice"],
.page-news #jn-st-all:checked ~ .jn-filterbar label[for="jn-st-all"],
.page-news #jn-st-fixed:checked ~ .jn-filterbar label[for="jn-st-fixed"],
.page-news #jn-st-closed:checked ~ .jn-filterbar label[for="jn-st-closed"],
.page-news #jn-st-open:checked ~ .jn-filterbar label[for="jn-st-open"]{
  background:var(--copper-500);
  border-color:var(--copper-500);
  color:var(--indigo-900);
  font-weight:700;
}

.page-news #jn-cat-entry:checked ~ .jn-body .jn-item:not(.cat-entry),
.page-news #jn-cat-compat:checked ~ .jn-body .jn-item:not(.cat-compat),
.page-news #jn-cat-release:checked ~ .jn-body .jn-item:not(.cat-release),
.page-news #jn-cat-notice:checked ~ .jn-body .jn-item:not(.cat-notice),
.page-news #jn-st-fixed:checked ~ .jn-body .jn-item:not(.st-fixed),
.page-news #jn-st-closed:checked ~ .jn-body .jn-item:not(.st-closed),
.page-news #jn-st-open:checked ~ .jn-body .jn-item:not(.st-open){
  display:none;
}

.page-news .jn-body{
  display:grid;
  gap:2rem;
}

.page-news .jn-timeline{
  list-style:none;
  margin:0;
  padding:0;
  position:relative;
  min-width:0;
}
.page-news .jn-timeline::before{
  content:"";
  position:absolute;
  left:3px;
  top:.65rem;
  bottom:1.2rem;
  width:1px;
  background:linear-gradient(180deg,var(--copper-500),rgba(192,138,62,.12));
}

.page-news .jn-item{
  position:relative;
  padding-left:1.65rem;
  margin-bottom:.7rem;
}
.page-news .jn-item::before{
  content:"";
  position:absolute;
  left:0;
  top:1.05rem;
  width:7px;
  height:7px;
  border-radius:50%;
  background:var(--indigo-900);
  border:1px solid var(--copper-500);
}

.page-news .jn-item > details{
  position:relative;
  background:rgba(22,36,79,.5);
  border:1px solid var(--line-soft);
  border-left:2px solid rgba(192,138,62,.45);
  transition:border-color .25s ease,background .25s ease;
}
.page-news .jn-item > details:hover{
  border-color:rgba(192,138,62,.7);
  border-left-color:var(--orange);
  background:rgba(192,138,62,.09);
}
.page-news .jn-item > details[open]{
  border-left-color:var(--copper-500);
  background:rgba(22,36,79,.8);
}

.page-news .jn-sum{
  display:flex;
  flex-direction:column;
  gap:.35rem;
  padding:.85rem 2.4rem .85rem 1rem;
  cursor:pointer;
  list-style:none;
}
.page-news .jn-sum::-webkit-details-marker{display:none}
.page-news .jn-sum:focus-visible{outline:2px solid var(--orange);outline-offset:2px}

.page-news .jn-time{
  font-family:var(--font-mono);
  font-size:var(--fs-mono);
  letter-spacing:.08em;
  color:var(--copper-200);
}

.page-news .jn-main{min-width:0}

.page-news .jn-item__title{
  display:block;
  font-size:.9375rem;
  font-weight:700;
  line-height:1.5;
  color:var(--white);
}

.page-news .jn-meta{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:.45rem;
  margin-top:.45rem;
}

.page-news .jn-cat{
  font-family:var(--font-mono);
  font-size:.6875rem;
  letter-spacing:.06em;
  padding:.1rem .4rem;
  color:var(--copper-200);
  border:1px dashed rgba(192,138,62,.5);
}

.page-news .jn-arrow{
  position:absolute;
  top:.85rem;
  right:.9rem;
  font-size:.9rem;
  color:var(--copper-500);
  transition:transform .25s ease,color .25s ease;
  pointer-events:none;
}
.page-news .jn-item > details:hover .jn-arrow{
  color:var(--orange);
  transform:translateX(3px);
}
.page-news .jn-item > details[open] .jn-arrow{
  color:var(--orange);
  transform:rotate(90deg);
}

.page-news .jn-detail{
  padding:0 1rem 1rem;
  border-top:1px dashed rgba(192,138,62,.24);
  margin-top:-.1rem;
  padding-top:.75rem;
}
.page-news .jn-detail p{
  margin:0;
  font-size:.875rem;
  line-height:1.75;
  color:var(--gray);
  max-width:36em;
}
.page-news .jn-detail a{
  color:var(--copper-200);
  text-decoration:underline;
  text-underline-offset:3px;
}
.page-news .jn-detail a:hover{color:var(--orange)}

/* 侧栏 */
.page-news .jn-aside{display:grid;gap:1rem;min-width:0}
.page-news .jn-aside__media{
  margin:0;
  border:1px solid var(--line);
  overflow:hidden;
  background:var(--indigo-700);
}
.page-news .jn-aside__media img{
  display:block;
  width:100%;
  max-width:100%;
  height:14rem;
  object-fit:cover;
  object-position:center;
}
.page-news .jn-aside__box{
  border:1px solid var(--line);
  padding:1rem 1.1rem 1.1rem;
  background:rgba(22,36,79,.55);
}
.page-news .jn-aside__title{
  margin:0 0 .45rem;
  font-family:var(--font-mono);
  font-size:.6875rem;
  letter-spacing:.16em;
  color:var(--copper-200);
}
.page-news .jn-aside__box p{
  margin:0 0 .8rem;
  font-size:.8438rem;
  line-height:1.7;
  color:var(--gray);
}
.page-news .jn-aside__box a{
  font-size:.8438rem;
  color:var(--copper-200);
  text-decoration:none;
  border-bottom:1px solid rgba(192,138,62,.6);
  padding-bottom:1px;
}
.page-news .jn-aside__box a:hover{color:var(--orange);border-bottom-color:var(--orange)}

/* ---------- 03 分类 ---------- */
.page-news .jn-cats{
  padding:3rem 0;
  border-top:1px solid rgba(192,138,62,.16);
}

.page-news .jn-cats__grid{
  display:grid;
  gap:1.75rem;
  align-items:start;
}

.page-news .jn-catlist{
  list-style:none;
  margin:0;
  padding:0;
  display:grid;
  gap:.9rem;
}
.page-news .jn-catlist li{
  display:grid;
  grid-template-columns:2.25rem 1fr;
  gap:.4rem .85rem;
  padding:.9rem 0 1rem;
  border-top:1px solid var(--line-soft);
}
.page-news .jn-catlist__num{
  font-family:var(--font-mono);
  font-size:1.125rem;
  font-weight:700;
  color:var(--copper-500);
  line-height:1.2;
}
.page-news .jn-catlist__body h3{
  margin:0 0 .3rem;
  font-size:1rem;
  font-weight:700;
  color:var(--white);
  letter-spacing:.01em;
}
.page-news .jn-catlist__body p{
  margin:0;
  font-size:.875rem;
  line-height:1.7;
  color:var(--gray);
}

.page-news .jn-cats__media{
  margin:0;
  border:1px solid var(--line);
  overflow:hidden;
  background:var(--indigo-700);
}
.page-news .jn-cats__media img{
  display:block;
  width:100%;
  max-width:100%;
  height:auto;
  object-fit:cover;
}

.page-news .jn-cats__foot{
  margin:1.75rem 0 0;
  max-width:40em;
  font-size:.875rem;
  line-height:1.8;
  color:var(--gray);
  padding-left:1rem;
  border-left:2px solid var(--copper-500);
}
.page-news .jn-cats__foot a{
  color:var(--copper-200);
  text-decoration:underline;
  text-underline-offset:3px;
}
.page-news .jn-cats__foot a:hover{color:var(--orange)}

/* ---------- 04 节奏 ---------- */
.page-news .jn-rhythm{
  padding:3rem 0;
  background:var(--indigo-700);
  border-top:1px solid rgba(192,138,62,.2);
  border-bottom:1px solid rgba(192,138,62,.2);
}

.page-news .jn-rhythm__grid{
  display:grid;
  gap:2rem;
  align-items:start;
}

.page-news .jn-rhythm__text h2{
  margin:.4rem 0 .9rem;
  font-size:var(--fs-h2);
  font-weight:900;
  line-height:1.16;
  color:var(--white);
}
.page-news .jn-rhythm__text p{
  margin:0 0 1rem;
  max-width:34em;
  font-size:.9375rem;
  line-height:1.8;
  color:var(--gray);
}

.page-news .jn-rules{
  list-style:none;
  margin:1.25rem 0 0;
  padding:0;
  display:grid;
  gap:.55rem;
  max-width:36em;
}
.page-news .jn-rules li{
  position:relative;
  padding-left:1.15rem;
  font-size:.875rem;
  line-height:1.7;
  color:var(--copper-200);
}
.page-news .jn-rules li::before{
  content:"";
  position:absolute;
  left:0;
  top:.62em;
  width:6px;
  height:6px;
  background:var(--copper-500);
}

.page-news .jn-rhythm__link{margin:1.4rem 0 0}
.page-news .jn-rhythm__link a{
  display:inline-block;
  font-size:.875rem;
  color:var(--copper-200);
  text-decoration:none;
  border-bottom:1px solid rgba(192,138,62,.6);
  padding-bottom:2px;
}
.page-news .jn-rhythm__link a:hover{color:var(--orange);border-bottom-color:var(--orange)}

.page-news .jn-stats{
  display:grid;
  gap:.75rem;
  min-width:0;
}
.page-news .jn-stat{
  border:1px solid var(--line);
  background:rgba(11,21,51,.55);
  padding:.9rem 1rem 1rem;
}
.page-news .jn-stat__num{
  font-family:var(--font-mono);
  font-size:2rem;
  font-weight:700;
  line-height:1;
  color:var(--copper-200);
  letter-spacing:-.02em;
}
.page-news .jn-stat__unit{
  font-family:var(--font-mono);
  font-size:.75rem;
  color:#74809b;
  margin-left:.35rem;
  letter-spacing:.06em;
}
.page-news .jn-stat p{
  margin:.5rem 0 0;
  font-size:.8125rem;
  line-height:1.6;
  color:var(--gray);
}

/* ---------- 05 旧版资料 ---------- */
.page-news .jn-archive{
  padding:3rem 0 3.5rem;
  background:var(--paper);
  color:var(--indigo-900);
}
.page-news .jn-archive__grid{
  display:grid;
  gap:1.75rem;
  align-items:center;
}
.page-news .jn-archive .eyebrow,
.page-news .jn-archive .jn-archive__text > p:first-of-type{
  color:#8a5f22;
}
.page-news .jn-archive__media{
  margin:0;
  border:1px solid rgba(11,21,51,.28);
  overflow:hidden;
  box-shadow:var(--shadow-paper);
}
.page-news .jn-archive__media img{
  display:block;
  width:100%;
  max-width:100%;
  height:auto;
  object-fit:cover;
}
.page-news .jn-archive__text h2{
  margin:.4rem 0 .9rem;
  font-size:var(--fs-h2);
  font-weight:900;
  line-height:1.16;
  color:var(--indigo-900);
}
.page-news .jn-archive__text p{
  margin:0 0 1rem;
  max-width:34em;
  font-size:.9375rem;
  line-height:1.8;
  color:#3f4867;
}
.page-news .jn-archive__actions{
  display:flex;
  flex-wrap:wrap;
  gap:.75rem;
  margin-top:1.4rem;
}
.page-news .jn-archive .btn:not(.btn--solid){
  border-color:rgba(11,21,51,.4);
  color:#3a2a10;
}
.page-news .jn-archive .btn:not(.btn--solid):hover{
  border-color:var(--orange);
  color:#a13d10;
}

/* ---------- 断点 ---------- */
@media (min-width:600px){
  .page-news .jn-stats{grid-template-columns:repeat(2,minmax(0,1fr))}
  .page-news .jn-pin{padding:2.5rem 2rem 2rem}
  .page-news .jn-aside__media img{height:17rem}
}

@media (min-width:760px){
  .page-news .jn-sum{
    display:grid;
    grid-template-columns:6.5rem minmax(0,1fr);
    gap:1.1rem;
    align-items:baseline;
    padding:.9rem 2.6rem .9rem 1.1rem;
  }
  .page-news .jn-arrow{top:1rem;right:1.1rem}
  .page-news .jn-catlist{grid-template-columns:repeat(2,minmax(0,1fr));gap:.9rem 1.5rem}
  .page-news .jn-cats__grid{grid-template-columns:minmax(0,1.35fr) minmax(0,1fr)}
  .page-news .jn-rhythm__grid{grid-template-columns:minmax(0,1.5fr) minmax(0,1fr);gap:2.5rem}
  .page-news .jn-archive__grid{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}
}

@media (min-width:900px){
  .page-news .jn-filterbar{
    top:0;
    flex-direction:row;
    flex-wrap:wrap;
    gap:.6rem 1.75rem;
    align-items:center;
  }
  .page-news .jn-pin__inner{grid-template-columns:minmax(0,1.25fr) minmax(0,1fr);gap:2rem}
  .page-news .jn-body{grid-template-columns:minmax(0,1fr) 17rem;gap:2.5rem}
  .page-news .jn-aside{position:sticky;top:1.5rem}
  .page-news .jn-aside__media img{height:22rem}
  .page-news .jn-log{padding:3.25rem 0 3.5rem}
}

@media (min-width:1100px){
  .page-news .jn-pin{padding:2.75rem 2.5rem 2.25rem}
  .page-news .jn-pin h1{font-size:clamp(2.25rem,3.4vw,3.25rem)}
  .page-news .jn-body{grid-template-columns:minmax(0,1fr) 19rem}
}

@media (prefers-reduced-motion:reduce){
  .page-news .jn-chip,
  .page-news .jn-item > details,
  .page-news .jn-arrow{
    transition:none;
  }
  .page-news .jn-item > details:hover .jn-arrow,
  .page-news .jn-item > details[open] .jn-arrow{transform:none}
}
<<<END>>>