.page-news{
  --news-hair:1px solid var(--c-graphite);
  --news-pad:clamp(18px, 4vw, 32px);
  padding-bottom:88px;
}

.page-news .news-shell{
  padding-top:24px;
}

/* ===== 页头 ===== */
.page-news .news-intro{
  padding:26px 0 30px;
  border-bottom:1px solid var(--c-graphite);
}

.page-news .news-intro h1{
  font-family:var(--font-display);
  font-weight:900;
  font-size:clamp(32px, 7.2vw, 62px);
  line-height:1.05;
  letter-spacing:-.01em;
  margin:14px 0 18px;
  max-width:15ch;
}

.page-news .news-intro__lead{
  margin:0 0 22px;
  max-width:58ch;
  font-size:16px;
  line-height:1.78;
  color:var(--c-rock);
}

.page-news .news-intro__meta{
  list-style:none;
  margin:0;
  padding:0;
  display:flex;
  flex-wrap:wrap;
  gap:10px 22px;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.04em;
  color:var(--c-rock);
}

.page-news .news-intro__meta li{
  display:flex;
  align-items:baseline;
  gap:6px;
}

.page-news .news-intro__meta li::before{
  content:"";
  width:7px;
  height:7px;
  background:var(--c-cyan);
  display:block;
  margin-right:2px;
  transform:translateY(-1px);
}

.page-news .news-intro__meta .mono{
  color:var(--c-mist);
  font-size:13px;
}

/* ===== 最新一期 ===== */
.page-news .news-latest{
  position:relative;
  margin:34px 0 50px;
  padding:var(--news-pad);
  display:grid;
  gap:24px;
  background:var(--c-panel);
  border:2px solid var(--c-graphite);
  border-radius:var(--r);
  overflow:hidden;
}

.page-news .news-latest::after{
  content:"";
  position:absolute;
  right:-2px;
  bottom:-2px;
  width:76px;
  height:76px;
  background:var(--c-lava);
  clip-path:polygon(100% 0, 100% 100%, 0 100%);
  opacity:.9;
  pointer-events:none;
}

.page-news .news-latest__kicker{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px;
  margin-bottom:14px;
}

.page-news .news-latest__kicker > .mono{
  font-size:12px;
  color:var(--c-cyan);
  letter-spacing:.06em;
}

.page-news .news-latest__when{
  color:var(--c-rock) !important;
}

.page-news .news-latest h2{
  font-family:var(--font-display);
  font-weight:900;
  font-size:clamp(23px, 3.8vw, 34px);
  line-height:1.2;
  letter-spacing:-.01em;
  margin:0 0 14px;
  max-width:20ch;
}

.page-news .news-latest__sum{
  margin:0;
  font-size:15px;
  line-height:1.76;
  color:var(--c-rock);
  max-width:52ch;
}

.page-news .news-latest__facts{
  margin:18px 0;
  padding-top:16px;
  border-top:1px solid var(--c-graphite);
  display:grid;
  gap:12px;
}

.page-news .news-latest__facts dt{
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.08em;
  color:var(--c-cyan);
  margin-bottom:4px;
}

.page-news .news-latest__facts dd{
  margin:0;
  font-size:14px;
  line-height:1.66;
  color:var(--c-rock);
}

.page-news .news-latest__verdict{
  margin:0 0 20px;
  padding-left:14px;
  border-left:2px solid var(--c-lava);
  font-size:15px;
  line-height:1.72;
  color:var(--c-mist);
  max-width:50ch;
}

.page-news .news-latest__figure{
  margin:0;
}

@media (min-width:900px){
  .page-news .news-latest{
    grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);
    gap:36px;
    align-items:start;
  }
}

/* ===== 主体双栏 ===== */
.page-news .news-body{
  display:grid;
  gap:30px;
}

@media (min-width:900px){
  .page-news .news-body{
    grid-template-columns:216px minmax(0,1fr);
    gap:48px;
    align-items:start;
  }
}

/* ===== 左侧栏目 ===== */
.page-news .news-side{
  display:grid;
  gap:18px;
  align-content:start;
  min-width:0;
}

@media (min-width:900px){
  .page-news .news-side{
    position:sticky;
    top:calc(var(--header-h, 70px) + 24px);
  }
}

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

.page-news .filter-chip{
  display:flex;
  align-items:center;
  gap:16px;
  padding:9px 12px;
  background:rgba(16,21,28,.72);
  border:1px solid var(--c-graphite);
  border-left:3px solid var(--c-graphite);
  border-radius:2px 2px 8px 2px;
  color:var(--c-mist);
  font-size:14px;
  text-decoration:none;
  transition:border-color .2s var(--ease), background-color .2s var(--ease), transform .2s var(--ease);
}

.page-news .filter-chip__n{
  font-size:12px;
  color:var(--c-cyan);
}

.page-news .filter-chip:hover,
.page-news .filter-chip:focus-visible{
  border-color:var(--c-cyan);
  border-left-color:var(--c-cyan);
  background:var(--c-panel);
  transform:translateX(2px);
}

.page-news .filter-chip:focus-visible{
  outline:2px solid var(--c-cyan);
  outline-offset:3px;
}

@media (min-width:900px){
  .page-news .filter-list{
    flex-direction:column;
    flex-wrap:nowrap;
  }
  .page-news .filter-chip{
    width:100%;
    justify-content:space-between;
  }
}

.page-news .news-side__card{
  display:grid;
  gap:12px;
  padding:16px;
  background:var(--c-panel);
  border:1px solid var(--c-graphite);
  border-top:2px solid var(--c-teal);
  border-radius:var(--r);
}

.page-news .news-side__card p{
  margin:0;
  font-size:13px;
  line-height:1.72;
  color:var(--c-rock);
}

.page-news .news-side__card .btn{
  justify-self:start;
}

/* ===== 条目流 ===== */
.page-news .news-feed{
  min-width:0;
}

.page-news .feed-group{
  margin-bottom:40px;
  scroll-margin-top:calc(var(--header-h, 70px) + 24px);
}

.page-news .feed-group__title{
  display:flex;
  align-items:baseline;
  justify-content:space-between;
  gap:12px;
  margin:0 0 2px;
  padding-bottom:10px;
  border-bottom:2px solid var(--c-graphite);
  font-family:var(--font-display);
  font-weight:900;
  font-size:20px;
  letter-spacing:-.01em;
}

.page-news .feed-group__title .mono{
  font-family:var(--font-mono);
  font-weight:400;
  font-size:12px;
  letter-spacing:.06em;
  color:var(--c-rock);
}

.page-news .feed-item{
  border-bottom:1px solid var(--c-graphite);
}

.page-news .feed-item summary{
  list-style:none;
  cursor:pointer;
  position:relative;
  display:grid;
  grid-template-columns:minmax(0,1fr) auto;
  grid-template-areas:
    "time tag"
    "title title"
    "excerpt excerpt";
  gap:6px 14px;
  padding:18px 2px;
  min-width:0;
}

.page-news .feed-item summary::-webkit-details-marker{
  display:none;
}

.page-news .feed-item__time{
  grid-area:time;
  align-self:center;
  font-size:12px;
  letter-spacing:.08em;
  color:var(--c-rock);
}

.page-news .feed-item summary > .tag{
  grid-area:tag;
  justify-self:end;
  align-self:center;
}

.page-news .feed-item__title{
  grid-area:title;
  display:block;
  font-size:17px;
  font-weight:700;
  line-height:1.46;
  color:var(--c-mist);
  transition:color .2s var(--ease);
}

.page-news .feed-item__title::before{
  content:"+";
  display:inline-block;
  width:16px;
  margin-right:8px;
  font-family:var(--font-mono);
  font-weight:400;
  color:var(--c-cyan);
}

.page-news .feed-item[open] .feed-item__title::before{
  content:"−";
}

.page-news .feed-item__excerpt{
  grid-area:excerpt;
  display:block;
  font-size:14px;
  line-height:1.72;
  color:var(--c-rock);
  max-width:60ch;
}

.page-news .feed-item summary:hover .feed-item__title{
  color:var(--c-cyan);
}

.page-news .feed-item summary:focus-visible{
  outline:2px solid var(--c-cyan);
  outline-offset:3px;
}

.page-news .feed-item__more{
  display:grid;
  gap:12px;
  margin:0 0 6px 2px;
  padding:0 0 20px 22px;
  border-left:2px solid var(--c-teal);
}

.page-news .feed-item__more p{
  margin:0;
  max-width:54ch;
  font-size:14px;
  line-height:1.76;
  color:var(--c-rock);
}

.page-news .feed-item__figure{
  margin:0;
}

.page-news .feed-item__figure img{
  display:block;
  width:100%;
  max-width:360px;
  height:auto;
  border:1px solid var(--c-graphite);
  border-radius:4px;
}

@media (min-width:760px){
  .page-news .feed-item summary{
    grid-template-columns:104px minmax(0,1fr) auto;
    grid-template-areas:
      "time title tag"
      "time excerpt excerpt";
    padding:20px 2px;
  }
  .page-news .feed-item__time{
    align-self:start;
    padding-top:3px;
  }
}

/* ===== 专题系列 ===== */
.page-news .news-topics{
  margin:52px 0;
}

.page-news .news-topics__head h2,
.page-news .news-path h2,
.page-news .news-cadence h2{
  margin:12px 0 12px;
  font-family:var(--font-display);
  font-weight:900;
  font-size:clamp(24px, 4.4vw, 34px);
  line-height:1.16;
  letter-spacing:-.01em;
  max-width:22ch;
}

.page-news .news-topics__lead{
  margin:0;
  max-width:56ch;
  font-size:15px;
  line-height:1.76;
  color:var(--c-rock);
}

.page-news .topic-scroller{
  display:flex;
  gap:20px;
  margin-top:24px;
  padding:0 0 20px;
  overflow-x:auto;
  scroll-snap-type:x mandatory;
  -webkit-overflow-scrolling:touch;
}

.page-news .topic-scroller:focus-visible{
  outline:2px solid var(--c-cyan);
  outline-offset:4px;
}

.page-news .topic-card{
  flex:0 0 86%;
  scroll-snap-align:start;
  display:grid;
  align-content:start;
  background:var(--c-panel);
  border:1px solid var(--c-graphite);
  border-radius:var(--r);
  overflow:hidden;
}

.page-news .topic-card__figure{
  margin:0;
  border-bottom:1px solid var(--c-graphite);
}

.page-news .topic-card__figure img{
  display:block;
  width:100%;
  height:auto;
  object-fit:cover;
}

.page-news .topic-card__body{
  display:grid;
  gap:12px;
  padding:18px 20px 22px;
}

.page-news .topic-card__body h3{
  margin:0;
  font-family:var(--font-display);
  font-weight:900;
  font-size:22px;
  letter-spacing:-.01em;
}

.page-news .topic-card__body p{
  margin:0;
  font-size:14px;
  line-height:1.72;
  color:var(--c-rock);
}

.page-news .topic-card__list{
  list-style:none;
  margin:0;
  padding:14px 0 0;
  border-top:1px solid var(--c-graphite);
  display:grid;
  gap:10px;
}

.page-news .topic-card__list li{
  display:grid;
  grid-template-columns:64px minmax(0,1fr);
  gap:10px;
  font-size:13.5px;
  line-height:1.6;
  color:var(--c-mist);
}

.page-news .topic-card__list .mono{
  font-size:11.5px;
  letter-spacing:.05em;
  color:var(--c-cyan);
  padding-top:2px;
}

.page-news .topic-card__more{
  justify-self:start;
  margin-top:2px;
  font-size:13px;
  color:var(--c-cyan);
  text-decoration:none;
  border-bottom:1px solid rgba(43,232,214,.38);
  padding-bottom:2px;
}

.page-news .topic-card__more:hover{
  border-bottom-color:var(--c-cyan);
}

.page-news .topic-card__more:focus-visible{
  outline:2px solid var(--c-cyan);
  outline-offset:3px;
}

@media (min-width:760px){
  .page-news .topic-card{
    flex:0 0 460px;
  }
  .page-news .topic-card--offset{
    margin-top:36px;
  }
}

/* ===== 升级路径 ===== */
.page-news .news-path{
  margin:52px 0;
  padding-top:30px;
  border-top:1px solid var(--c-graphite);
}

.page-news .path-steps{
  list-style:none;
  margin:24px 0 0;
  padding:0;
  display:grid;
  gap:24px;
}

.page-news .path-step{
  display:grid;
  gap:10px;
  align-content:start;
  padding-left:18px;
  border-left:2px solid var(--c-graphite);
}

.page-news .path-step__n{
  font-size:12px;
  letter-spacing:.12em;
  color:var(--c-lava);
}

.page-news .path-step h3{
  margin:0;
  font-size:18px;
  font-weight:700;
  line-height:1.4;
}

.page-news .path-step p{
  margin:0;
  font-size:14px;
  line-height:1.72;
  color:var(--c-rock);
}

.page-news .path-step a{
  justify-self:start;
  font-size:13px;
  color:var(--c-cyan);
  text-decoration:none;
  border-bottom:1px solid rgba(43,232,214,.38);
  padding-bottom:2px;
}

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

@media (min-width:760px){
  .page-news .path-steps{
    grid-template-columns:repeat(3, minmax(0,1fr));
    gap:28px;
  }
}

/* ===== 更新节奏 ===== */
.page-news .news-cadence{
  margin-top:52px;
  padding:var(--news-pad);
  display:grid;
  gap:28px;
  background:linear-gradient(155deg, rgba(11,95,92,.30), rgba(6,8,11,0) 62%);
  border:1px solid var(--c-graphite);
  border-radius:var(--r);
}

.page-news .news-cadence__lead{
  margin:0;
  max-width:54ch;
  font-size:15px;
  line-height:1.76;
  color:var(--c-rock);
}

.page-news .cadence-list{
  list-style:none;
  margin:20px 0 0;
  padding:0;
}

.page-news .cadence-list li{
  display:grid;
  grid-template-columns:96px minmax(0,1fr);
  gap:14px;
  padding:12px 0;
  border-top:1px solid var(--c-graphite);
  font-size:14px;
  line-height:1.62;
  color:var(--c-rock);
}

.page-news .cadence-list .mono{
  align-self:center;
  font-size:12px;
  letter-spacing:.05em;
  color:var(--c-cyan);
}

.page-news .news-cadence__side h3{
  margin:0 0 14px;
  font-family:var(--font-display);
  font-weight:900;
  font-size:18px;
  letter-spacing:-.01em;
}

.page-news .cadence-links{
  list-style:none;
  margin:0;
  padding:0;
  display:grid;
  gap:2px;
}

.page-news .cadence-links a{
  display:grid;
  gap:2px;
  padding:10px 0;
  border-bottom:1px solid var(--c-graphite);
  font-size:14px;
  color:var(--c-mist);
  text-decoration:none;
  transition:color .2s var(--ease);
}

.page-news .cadence-links a span{
  font-size:12px;
  color:var(--c-rock);
}

.page-news .cadence-links a:hover{
  color:var(--c-cyan);
}

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

@media (min-width:900px){
  .page-news .news-cadence{
    grid-template-columns:minmax(0,1.3fr) minmax(0,.7fr);
    gap:40px;
  }
}

@media (prefers-reduced-motion:reduce){
  .page-news .filter-chip,
  .page-news .feed-item__title,
  .page-news .cadence-links a{
    transition:none;
  }
  .page-news .filter-chip:hover{
    transform:none;
  }
}
<<<END>>>