.page-news {
  --rail-w: 208px;
  --card-gap: clamp(14px, 2.2vw, 24px);
  --hero-glow: radial-gradient(circle at 80% 8%, rgba(255, 122, 41, .17), transparent 56%);
  display: block;
  background: var(--night);
}

/* ---------- 面包屑留白 ---------- */
.page-news > .container:first-child {
  padding-top: clamp(18px, 4vw, 36px);
}
.page-news .breadcrumb {
  font-family: var(--font-mono);
  font-size: .78rem;
  letter-spacing: .06em;
  color: var(--grey);
}
.page-news .breadcrumb a {
  color: var(--silver);
}
.page-news .breadcrumb a:hover {
  color: var(--signal);
}

/* ---------- 章节头 ---------- */
.page-news .sec-head {
  display: flex;
  align-items: flex-start;
  gap: clamp(14px, 2.4vw, 26px);
  margin-bottom: clamp(22px, 4vw, 40px);
}
.page-news .sec-head-text h2 {
  font-family: var(--font-display);
  font-size: clamp(1.45rem, 3.2vw, 2.3rem);
  line-height: 1.24;
  letter-spacing: .04em;
  color: var(--moon);
  margin: 0 0 .5em;
}
.page-news .sec-sub {
  max-width: 62ch;
  color: var(--silver);
  line-height: 1.8;
  margin: 0;
}

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  position: relative;
  background: var(--hero-glow), var(--night);
  overflow: hidden;
  padding-bottom: clamp(38px, 6vw, 72px);
}
.page-news .news-hero::after {
  content: "";
  position: absolute;
  left: 34%;
  right: -12%;
  bottom: -46%;
  height: 420px;
  background: radial-gradient(ellipse at center, rgba(198, 210, 226, .10), transparent 70%);
  pointer-events: none;
}
.page-news .hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(28px, 5vw, 56px);
}
.page-news .hero-copy h1 {
  font-family: var(--font-display);
  font-size: clamp(2.15rem, 6vw, 4.2rem);
  line-height: 1.1;
  letter-spacing: .05em;
  color: var(--moon);
  margin: .28em 0 .5em;
  max-width: 15ch;
}
.page-news .hero-lead {
  max-width: 60ch;
  font-size: clamp(1rem, 1.5vw, 1.1rem);
  line-height: 1.85;
  color: var(--silver);
  margin: 0 0 1.4em;
}
.page-news .hero-note {
  display: inline-block;
  padding-left: 12px;
  border-left: 2px solid var(--signal);
  font-size: .8rem;
  letter-spacing: .06em;
  color: var(--amber);
  margin: 0 0 1.6em;
}
.page-news .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-news .hero-rail {
  align-self: start;
  padding: clamp(18px, 3vw, 26px);
  background: var(--deep);
  border: 1px solid var(--line);
  border-radius: var(--radius-organic);
}
.page-news .rail-list {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
}
.page-news .rail-item {
  border-top: 1px solid var(--line);
}
.page-news .rail-item:first-child {
  border-top: none;
}
.page-news .rail-item a {
  display: block;
  padding: 14px 12px 14px 14px;
  border-left: 2px solid var(--ochre);
  text-decoration: none;
  transition: background var(--ease), border-color var(--ease), transform var(--ease);
}
.page-news .rail-item a:hover,
.page-news .rail-item a:focus-visible {
  background: rgba(255, 122, 41, .07);
  border-left-color: var(--signal);
  transform: translateX(3px);
}
.page-news .rail-item--now a {
  border-left-color: var(--signal);
  background: rgba(255, 122, 41, .06);
}
.page-news .rail-no {
  display: block;
  font-size: .82rem;
  color: var(--moon);
  letter-spacing: .08em;
}
.page-news .rail-item--now .rail-no {
  color: var(--signal);
}
.page-news .rail-meta {
  display: block;
  margin-top: 5px;
  font-size: .84rem;
  line-height: 1.6;
  color: var(--grey);
}
.page-news .rail-foot {
  margin: 18px 0 0;
  padding-top: 14px;
  border-top: 1px dashed var(--line);
  font-size: .74rem;
  letter-spacing: .05em;
  color: var(--grey);
}

/* ---------- 01 三条整理线 ---------- */
.page-news .news-index {
  background: var(--night);
}
.page-news .cat-grid {
  display: grid;
  gap: var(--card-gap);
}
.page-news .cat-card {
  padding: clamp(20px, 3vw, 30px);
  background: var(--deep);
  border: 1px solid var(--line);
  border-radius: var(--radius-organic);
  transition: border-color var(--ease), transform var(--ease);
}
.page-news .cat-card:hover {
  border-color: rgba(255, 122, 41, .55);
  transform: translateY(-3px);
}
.page-news .cat-card h3 {
  font-family: var(--font-display);
  font-size: clamp(1.1rem, 1.9vw, 1.35rem);
  line-height: 1.4;
  letter-spacing: .03em;
  color: var(--moon);
  margin: .7em 0 .7em;
}
.page-news .cat-card p {
  color: var(--silver);
  line-height: 1.8;
  margin: 0 0 .9em;
  font-size: .95rem;
}
.page-news .cat-fit {
  margin: 0;
  padding-left: 12px;
  border-left: 2px solid var(--ochre);
  font-size: .84rem;
  color: var(--grey);
}
.page-news .cat-card--media {
  display: grid;
  gap: clamp(16px, 2.5vw, 24px);
}
.page-news .cat-card--media .media-frame {
  margin: 0;
}
.page-news .cat-card--media .cat-fit {
  border-left-color: var(--signal);
  color: var(--amber);
}

/* ---------- 02 时间轴 ---------- */
.page-news .news-timeline {
  background: linear-gradient(180deg, var(--night), var(--deep) 42%, var(--night));
}
.page-news .tl-figure {
  margin: 0 0 clamp(28px, 5vw, 52px);
}
.page-news .tl-wrap {
  display: grid;
  gap: clamp(22px, 4vw, 44px);
}
.page-news .axis-rail {
  align-self: start;
}
.page-news .axis-coord {
  margin: 16px 0 0;
  font-size: .74rem;
  letter-spacing: .08em;
  color: var(--grey);
}

.page-news .timeline {
  position: relative;
}
.page-news .issue {
  position: relative;
  padding-left: 40px;
}
.page-news .issue + .issue {
  margin-top: clamp(26px, 4.5vw, 44px);
}
.page-news .issue::before {
  content: "";
  position: absolute;
  left: 8px;
  top: 22px;
  bottom: calc(-1 * clamp(26px, 4.5vw, 44px));
  width: 1px;
  background: linear-gradient(180deg, var(--ochre), var(--line) 70%);
}
.page-news .issue:last-child::before {
  bottom: 0;
  background: linear-gradient(180deg, var(--ochre), transparent);
}
.page-news .issue-node {
  position: absolute;
  left: 8px;
  top: 16px;
  width: 13px;
  height: 13px;
  border-radius: 50%;
  transform: translateX(-50%);
  background: var(--night);
  border: 2px solid var(--ochre);
  box-shadow: 0 0 0 4px var(--night);
}
.page-news .issue--latest .issue-node {
  top: 13px;
  width: 18px;
  height: 18px;
  border-color: var(--signal);
  background: var(--signal);
  box-shadow: 0 0 0 6px rgba(255, 122, 41, .14);
}

.page-news .issue-details {
  background: var(--deep);
  border: 1px solid var(--line);
  border-radius: var(--radius-organic);
  transition: border-color var(--ease);
}
.page-news .issue-details:hover,
.page-news .issue-details[open] {
  border-color: rgba(255, 122, 41, .5);
}
.page-news .issue-summary {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 14px;
  padding: clamp(16px, 2.6vw, 24px);
  cursor: pointer;
  list-style: none;
}
.page-news .issue-summary::-webkit-details-marker {
  display: none;
}
.page-news .issue-summary::after {
  content: "";
  width: 8px;
  height: 8px;
  margin-left: auto;
  border-right: 1.5px solid var(--signal);
  border-bottom: 1.5px solid var(--signal);
  transform: rotate(45deg) translate(-2px, -2px);
  transition: transform var(--ease);
}
.page-news .issue-details[open] > .issue-summary::after {
  transform: rotate(-135deg) translate(-2px, -2px);
}
.page-news .issue-no {
  display: inline-block;
  padding: 3px 10px;
  font-size: .78rem;
  letter-spacing: .08em;
  color: var(--moon);
  background: var(--ochre);
  border-radius: 3px;
}
.page-news .issue--latest .issue-no {
  background: var(--signal);
  color: var(--ink);
}
.page-news .issue-heading {
  flex: 1 1 240px;
  font-family: var(--font-display);
  font-size: clamp(1rem, 1.8vw, 1.22rem);
  line-height: 1.5;
  letter-spacing: .02em;
  color: var(--moon);
}
.page-news .issue-when {
  font-family: var(--font-mono);
  font-size: .76rem;
  letter-spacing: .06em;
  color: var(--grey);
}
.page-news .issue-content {
  padding: 0 clamp(16px, 2.6vw, 24px) clamp(18px, 2.6vw, 26px);
  border-top: 1px dashed var(--line);
}
.page-news .issue-lead {
  margin: 18px 0 14px;
  color: var(--silver);
  line-height: 1.85;
  font-size: .95rem;
  max-width: 64ch;
}
.page-news .issue-recap {
  margin: 0 0 16px;
  padding: 12px 14px;
  background: rgba(198, 210, 226, .04);
  border-left: 2px solid var(--line);
  font-size: .86rem;
  line-height: 1.75;
  color: var(--grey);
}
.page-news .issue-recap .mono {
  display: block;
  margin-bottom: 4px;
  color: var(--amber);
  letter-spacing: .08em;
}
.page-news .issue-jump {
  margin: 0;
}
.page-news .issue-list {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
}
.page-news .issue-list li {
  padding: 11px 0 11px 16px;
  border-bottom: 1px solid var(--line);
  color: var(--silver);
  font-size: .92rem;
  line-height: 1.75;
}
.page-news .issue-list li:last-child {
  border-bottom: none;
}
.page-news .issue-list .mono {
  display: inline-block;
  margin-right: 10px;
  color: var(--ochre);
  font-size: .76rem;
  letter-spacing: .06em;
}

/* ---------- 03 本期条目清单 ---------- */
.page-news .news-entries {
  background: var(--night);
}
.page-news .entry-layout {
  display: grid;
  gap: clamp(24px, 4vw, 40px);
}
.page-news .filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: clamp(20px, 3vw, 32px);
}
.page-news .filter-input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}
.page-news .filter-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 15px;
  font-size: .87rem;
  color: var(--silver);
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 999px;
  cursor: pointer;
  transition: color var(--ease), border-color var(--ease), background var(--ease);
}
.page-news .filter-chip .mono {
  font-size: .72rem;
  color: var(--grey);
}
.page-news .filter-chip:hover {
  border-color: var(--amber);
  color: var(--moon);
}
.page-news .filter-input:checked + .filter-chip {
  background: var(--signal);
  border-color: var(--signal);
  color: var(--ink);
}
.page-news .filter-input:checked + .filter-chip .mono {
  color: rgba(10, 13, 20, .7);
}
.page-news .filter-input:focus-visible + .filter-chip {
  outline: 2px solid var(--signal);
  outline-offset: 2px;
}

.page-news:has(#cat-nav:checked) .entry:not(.entry--nav),
.page-news:has(#cat-adapt:checked) .entry:not(.entry--adapt),
.page-news:has(#cat-tag:checked) .entry:not(.entry--tag) {
  display: none;
}

.page-news .entry-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--card-gap);
}
.page-news .entry {
  position: relative;
  padding: clamp(18px, 2.6vw, 26px) clamp(18px, 2.6vw, 26px) clamp(18px, 2.6vw, 26px) clamp(22px, 3vw, 30px);
  background: var(--deep);
  border: 1px solid var(--line);
  border-radius: var(--radius-organic);
  transition: border-color var(--ease), transform var(--ease);
}
.page-news .entry::before {
  content: "";
  position: absolute;
  left: 0;
  top: 18px;
  bottom: 18px;
  width: 3px;
  background: var(--ochre);
  border-radius: 0 3px 3px 0;
}
.page-news .entry--adapt::before {
  background: var(--track);
}
.page-news .entry--tag::before {
  background: var(--amber);
}
.page-news .entry:hover {
  border-color: rgba(255, 122, 41, .5);
  transform: translateY(-3px);
}
.page-news .entry-cat {
  margin: 0 0 .5em;
  font-size: .74rem;
  letter-spacing: .1em;
  color: var(--grey);
}
.page-news .entry-title {
  font-family: var(--font-display);
  font-size: clamp(1.02rem, 1.7vw, 1.2rem);
  line-height: 1.5;
  letter-spacing: .02em;
  color: var(--moon);
  margin: 0 0 .6em;
}
.page-news .entry-desc {
  margin: 0 0 1.1em;
  color: var(--silver);
  font-size: .93rem;
  line-height: 1.8;
  max-width: 60ch;
}
.page-news .entry-facts {
  display: grid;
  gap: 6px 18px;
  margin: 0;
  padding-top: 14px;
  border-top: 1px dashed var(--line);
}
.page-news .entry-facts > div {
  display: flex;
  gap: 10px;
  font-size: .82rem;
  line-height: 1.7;
}
.page-news .entry-facts dt {
  flex: 0 0 5.6em;
  color: var(--grey);
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .04em;
}
.page-news .entry-facts dd {
  margin: 0;
  color: var(--silver);
}

.page-news .entry-aside {
  display: grid;
  gap: clamp(16px, 2.5vw, 22px);
  align-content: start;
}
.page-news .entry-aside .media-frame {
  margin: 0;
}
.page-news .aside-note {
  padding: clamp(16px, 2.4vw, 22px);
  background: rgba(255, 122, 41, .06);
  border: 1px solid rgba(255, 122, 41, .3);
  border-radius: var(--radius-organic);
}
.page-news .aside-note p:last-child {
  margin: 0;
  color: var(--silver);
  font-size: .9rem;
  line-height: 1.8;
}

/* ---------- 04 自己的台账 ---------- */
.page-news .news-keep {
  background: var(--deep);
}
.page-news .keep-grid {
  display: grid;
  gap: var(--card-gap);
}
.page-news .keep-card {
  padding: clamp(20px, 3vw, 30px);
  background: var(--night);
  border: 1px solid var(--line);
  border-radius: 6px 24px 10px 26px;
  transition: border-color var(--ease);
}
.page-news .keep-card:hover {
  border-color: rgba(255, 179, 92, .55);
}
.page-news .keep-step {
  display: inline-block;
  margin: 0 0 14px;
  padding: 3px 10px;
  font-size: .72rem;
  letter-spacing: .1em;
  color: var(--ink);
  background: var(--amber);
  border-radius: 3px;
}
.page-news .keep-card h3 {
  font-family: var(--font-display);
  font-size: clamp(1.06rem, 1.7vw, 1.22rem);
  letter-spacing: .03em;
  color: var(--moon);
  margin: 0 0 .7em;
}
.page-news .keep-card p:last-child {
  margin: 0;
  color: var(--silver);
  font-size: .93rem;
  line-height: 1.8;
}

/* ---------- 05 订阅与回看 ---------- */
.page-news .news-subscribe {
  position: relative;
  background: var(--hero-glow), var(--night);
}
.page-news .sub-grid {
  display: grid;
  gap: clamp(26px, 4vw, 48px);
}
.page-news .sub-copy h2 {
  font-family: var(--font-display);
  font-size: clamp(1.45rem, 3.2vw, 2.3rem);
  line-height: 1.25;
  letter-spacing: .04em;
  color: var(--moon);
  margin: .3em 0 .5em;
}
.page-news .sub-copy > p {
  max-width: 62ch;
  color: var(--silver);
  line-height: 1.85;
  margin: 0 0 1.6em;
}
.page-news .sub-steps {
  list-style: none;
  margin: 0 0 1.8em;
  padding: 0;
}
.page-news .sub-steps li {
  display: flex;
  gap: 14px;
  padding: 16px 0;
  border-top: 1px solid var(--line);
}
.page-news .sub-no {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  font-size: .76rem;
  color: var(--moon);
  background: var(--ochre);
  border-radius: 50%;
}
.page-news .sub-steps h3 {
  font-family: var(--font-display);
  font-size: 1.02rem;
  letter-spacing: .03em;
  color: var(--moon);
  margin: 0 0 .4em;
}
.page-news .sub-steps p {
  margin: 0;
  color: var(--silver);
  font-size: .91rem;
  line-height: 1.8;
}
.page-news .sub-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.page-news .sub-figure {
  margin: 0;
  align-self: start;
}

.page-news .closing-line {
  margin: clamp(30px, 5vw, 54px) 0 0;
  padding-top: 20px;
  border-top: 1px solid var(--line);
  max-width: 70ch;
  color: var(--grey);
  font-size: .9rem;
  line-height: 1.85;
}
.page-news .closing-line a {
  color: var(--signal);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.page-news .closing-line a:hover {
  color: var(--amber);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-news .cat-card--media {
    grid-template-columns: minmax(0, 1fr) minmax(0, .85fr);
    align-items: center;
  }
  .page-news .entry-facts {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-news .keep-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-news .keep-grid .keep-card:nth-child(2) {
    margin-top: 22px;
  }
}

@media (min-width: 900px) {
  .page-news .hero-grid {
    grid-template-columns: minmax(0, 1.45fr) minmax(250px, .8fr);
    align-items: start;
  }
  .page-news .cat-grid {
    grid-template-columns: 1.35fr 1fr 1fr;
    align-items: start;
  }
  .page-news .cat-grid .cat-card:nth-child(2) {
    margin-top: 26px;
  }
  .page-news .cat-grid .cat-card:nth-child(3) {
    margin-top: 52px;
  }
  .page-news .tl-wrap {
    grid-template-columns: var(--rail-w) minmax(0, 1fr);
    align-items: start;
  }
  .page-news .axis-rail {
    position: sticky;
    top: 104px;
  }
  .page-news .issue:nth-child(2) {
    margin-left: clamp(18px, 3.5vw, 52px);
  }
  .page-news .issue:nth-child(3) {
    margin-left: clamp(36px, 7vw, 104px);
  }
  .page-news .entry-layout {
    grid-template-columns: minmax(0, 1.6fr) minmax(260px, .75fr);
    align-items: start;
  }
  .page-news .entry-aside {
    position: sticky;
    top: 104px;
  }
  .page-news .sub-grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(260px, .7fr);
    align-items: start;
  }
  .page-news .entry-facts {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1180px) {
  .page-news .hero-copy {
    padding-right: clamp(0px, 3vw, 48px);
  }
}
<<<END>>>