.page-news {
  --news-rail-w: 180px;
  --news-log-w: 236px;
  background: var(--ink-950);
  color: var(--paper);
  padding-bottom: clamp(40px, 6vw, 80px);
}

/* ---------- 面包屑 ---------- */
.page-news .breadcrumb {
  padding-top: clamp(16px, 2.4vw, 26px);
  font-size: 13px;
}

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(18px, 2.6vw, 30px);
  padding: clamp(24px, 4vw, 44px) 0 clamp(26px, 4vw, 48px);
  border-bottom: 1px solid var(--line);
}

.page-news .news-hero__head .eyebrow {
  margin-bottom: 14px;
}

.page-news .h-page {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(30px, 5.4vw, 54px);
  line-height: 1.08;
  letter-spacing: -0.015em;
  font-weight: 700;
  color: var(--paper);
}

.page-news .news-hero__lede {
  margin: 0;
  max-width: 64ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.78;
  color: var(--mist);
}

.page-news .news-hero__stats {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-news .news-hero__stats li {
  display: flex;
  flex-direction: column;
  gap: 3px;
  padding: 12px 14px;
  background: var(--ink-900);
}

.page-news .news-hero__stats b {
  font-family: var(--font-mono);
  font-size: clamp(19px, 2.4vw, 24px);
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--cyan);
}

.page-news .news-hero__stats span {
  font-size: 13px;
  color: var(--mist);
}

@media (min-width: 900px) {
  .page-news .news-hero {
    grid-template-columns: minmax(0, 1.52fr) minmax(240px, 0.72fr);
    grid-template-areas:
      "head stats"
      "lede stats";
    align-items: start;
    column-gap: clamp(24px, 3.4vw, 52px);
  }
  .page-news .news-hero__head { grid-area: head; }
  .page-news .news-hero__lede { grid-area: lede; }
  .page-news .news-hero__stats { grid-area: stats; }
}

/* ---------- 三栏骨架 ---------- */
.page-news .news-stage {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  grid-template-areas:
    "rail"
    "main"
    "log";
  gap: clamp(26px, 3.4vw, 44px);
  padding-top: clamp(26px, 4vw, 46px);
}

.page-news .news-rail { grid-area: rail; min-width: 0; }
.page-news .news-main { grid-area: main; min-width: 0; }
.page-news .news-log { grid-area: log; min-width: 0; }

@media (min-width: 900px) {
  .page-news .news-stage {
    grid-template-columns: var(--news-rail-w) minmax(0, 1fr);
    grid-template-areas:
      "rail main"
      "log log";
    column-gap: clamp(24px, 3.2vw, 48px);
  }
}

@media (min-width: 1200px) {
  .page-news .news-stage {
    grid-template-columns: var(--news-rail-w) minmax(0, 1fr) var(--news-log-w);
    grid-template-areas: "rail main log";
    column-gap: clamp(26px, 3vw, 52px);
  }
}

/* ---------- 左侧索引栏 ---------- */
.page-news .news-rail__sticky {
  display: flex;
  flex-direction: column;
  gap: 22px;
}

@media (min-width: 900px) {
  .page-news .news-rail__sticky {
    position: sticky;
    top: calc(var(--header-h) + 18px);
  }
}

.page-news .news-rail .eyebrow {
  margin: 0 0 10px;
}

.page-news .toc {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: row;
  gap: 6px;
  overflow-x: auto;
  padding-bottom: 6px;
  scrollbar-width: thin;
}

.page-news .toc__link {
  display: flex;
  align-items: baseline;
  gap: 9px;
  padding: 8px 10px;
  white-space: nowrap;
  text-decoration: none;
  font-size: 14px;
  color: var(--mist);
  border-bottom: 2px solid transparent;
  transition: color var(--speed), border-color var(--speed), background var(--speed);
}

.page-news .toc__link:hover {
  color: var(--paper);
}

.page-news .toc__link[aria-current="true"] {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
  background: var(--cyan-dim);
}

.page-news .toc__num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.02em;
  color: inherit;
  opacity: 0.75;
}

.page-news .news-rail__legend ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
  font-size: 13px;
  color: var(--mist);
}

.page-news .news-rail__legend li {
  display: flex;
  align-items: center;
  gap: 7px;
}

.page-news .dot {
  width: 9px;
  height: 9px;
  display: inline-block;
  border: 1px solid currentColor;
}

.page-news .dot--cyan { color: var(--cyan); background: var(--cyan-dim); }
.page-news .dot--paper { color: var(--paper); background: rgba(242, 247, 243, 0.1); }
.page-news .dot--orange { color: var(--orange); background: var(--orange-dim); }

@media (min-width: 900px) {
  .page-news .toc {
    flex-direction: column;
    gap: 2px;
    overflow: visible;
    padding-bottom: 0;
  }
  .page-news .toc__link {
    border-bottom: none;
    border-left: 2px solid transparent;
    padding: 8px 10px;
  }
  .page-news .toc__link[aria-current="true"] {
    border-bottom-color: transparent;
    border-left-color: var(--cyan);
  }
  .page-news .news-rail__legend ul {
    flex-direction: column;
    gap: 8px;
  }
}

/* ---------- 章节 ---------- */
.page-news .news-sec {
  padding: clamp(30px, 4vw, 54px) 0;
  border-top: 1px solid var(--line);
}

.page-news .news-sec:first-child {
  padding-top: 0;
  border-top: none;
}

.page-news .sec-head {
  margin-bottom: clamp(20px, 2.6vw, 30px);
}

.page-news .sec-head .eyebrow {
  margin: 0 0 12px;
  color: var(--cyan);
}

.page-news .sec-head .h-2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(23px, 3vw, 33px);
  line-height: 1.22;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-news .sec-head__lede {
  margin: 14px 0 0;
  max-width: 58ch;
  font-size: 15px;
  color: var(--mist);
}

/* ---------- 标签 ---------- */
.page-news .tag {
  display: inline-block;
  padding: 3px 9px;
  font-size: 12px;
  line-height: 1.6;
  letter-spacing: 0.04em;
  border: 1px solid var(--line);
  color: var(--mist);
  background: transparent;
}

.page-news .tag--cyan {
  color: var(--cyan);
  border-color: rgba(69, 240, 214, 0.5);
  background: var(--cyan-dim);
}

.page-news .tag--paper {
  color: var(--paper);
  border-color: rgba(242, 247, 243, 0.4);
  background: rgba(242, 247, 243, 0.08);
}

.page-news .tag--orange {
  color: var(--orange);
  border-color: rgba(255, 122, 47, 0.5);
  background: var(--orange-dim);
}

.page-news .tag--sealed {
  color: var(--orange-soft);
  border-color: rgba(255, 122, 47, 0.45);
  background: rgba(255, 122, 47, 0.1);
}

/* ---------- 焦点条目 ---------- */
.page-news .focus {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
  border: 1px solid var(--line);
  background: var(--ink-900);
}

.page-news .focus__media {
  position: relative;
  margin: 0;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  background: linear-gradient(140deg, var(--ink-800), var(--ink-950));
}

.page-news .focus__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  filter: saturate(0.82) brightness(0.78);
}

.page-news .focus__media::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 54px 54px;
  opacity: 0.55;
}

.page-news .focus__body {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: clamp(18px, 2.4vw, 28px);
}

.page-news .focus__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-news .focus__meta {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--cyan-soft);
  letter-spacing: 0.02em;
}

.page-news .focus__body .h-3 {
  margin: 0;
  font-size: clamp(19px, 2.2vw, 24px);
  line-height: 1.35;
  color: var(--paper);
}

.page-news .focus__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--mist);
}

.page-news .focus__foot {
  margin-top: auto;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  flex-wrap: wrap;
}

.page-news .focus__read {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--mist);
}

@media (min-width: 760px) {
  .page-news .focus {
    grid-template-columns: minmax(0, 1.42fr) minmax(0, 1fr);
  }
  .page-news .focus__media {
    aspect-ratio: auto;
    height: 100%;
    min-height: 320px;
  }
}

/* ---------- 专题列表 ---------- */
.page-news .feed {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-news .feed__item {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: clamp(10px, 2vw, 20px);
  padding: clamp(18px, 2.4vw, 26px) 0;
  border-bottom: 1px solid var(--line);
}

.page-news .feed__no {
  font-family: var(--font-mono);
  font-size: 15px;
  line-height: 1.7;
  color: rgba(124, 154, 143, 0.55);
  transition: color 0.35s ease;
}

.page-news .feed__item.is-in .feed__no {
  color: var(--cyan);
}

.page-news .feed__item:hover .h-4,
.page-news .feed__item:focus-within .h-4 {
  color: var(--cyan-soft);
}

.page-news .feed__body {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.page-news .feed__tags {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.page-news .feed__when {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--mist);
}

.page-news .feed__body .h-4 {
  margin: 0;
  font-size: clamp(17px, 1.9vw, 20px);
  line-height: 1.4;
  color: var(--paper);
  transition: color var(--speed);
}

.page-news .feed__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--mist);
  max-width: 62ch;
}

.page-news .feed__extra {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--cyan-soft);
  opacity: 0;
  transition: opacity var(--speed);
}

.page-news .feed__item:hover .feed__extra,
.page-news .feed__item:focus-within .feed__extra {
  opacity: 1;
}

@media (max-width: 899px) {
  .page-news .feed__extra { opacity: 1; }
  .page-news .feed__item { grid-template-columns: 32px minmax(0, 1fr); }
}

/* ---------- 图文并置 ---------- */
.page-news .split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(18px, 2.6vw, 32px);
  align-items: start;
}

.page-news .split__fig {
  margin: 0;
  border: 1px solid var(--line);
  background: var(--ink-900);
  overflow: hidden;
}

.page-news .split__fig img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  filter: saturate(0.9) brightness(0.9);
}

.page-news .split__fig .media-frame__cap {
  padding: 9px 12px;
  border-top: 1px solid var(--line);
  font-size: 12.5px;
  color: var(--mist);
}

.page-news .split__body {
  display: flex;
  flex-direction: column;
  gap: 14px;
  align-items: flex-start;
}

.page-news .split__body .prose {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}

.page-news .points {
  list-style: none;
  margin: 0;
  padding: 0;
  width: 100%;
  border-top: 1px solid var(--line);
}

.page-news .points li {
  padding: 11px 0;
  border-bottom: 1px solid var(--line-soft);
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--mist);
}

.page-news .points strong {
  display: inline-block;
  min-width: 84px;
  margin-right: 10px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--cyan);
}

@media (min-width: 820px) {
  .page-news .split {
    grid-template-columns: minmax(0, 0.92fr) minmax(0, 1fr);
    gap: clamp(24px, 3.4vw, 46px);
  }
  .page-news .split--flip {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.92fr);
  }
  .page-news .split--flip .split__fig {
    order: 2;
  }
}

/* ---------- 封版回顾（浅色章节） ---------- */
.page-news .news-sealed {
  background: var(--paper);
  color: var(--ink-950);
  border-top-color: rgba(5, 19, 15, 0.14);
  padding: clamp(28px, 4.4vw, 56px) clamp(16px, 3vw, 38px);
}

.page-news .news-sealed .sec-head .eyebrow {
  color: #B44E12;
}

.page-news .news-sealed .sec-head .h-2 {
  color: var(--ink-950);
}

.page-news .sealed__media {
  margin: 0 0 clamp(18px, 2.6vw, 28px);
  overflow: hidden;
  border: 1px solid rgba(5, 19, 15, 0.16);
}

.page-news .sealed__media img {
  width: 100%;
  height: auto;
  aspect-ratio: 8 / 3;
  object-fit: cover;
  display: block;
  filter: saturate(0.8) brightness(0.72);
}

.page-news .sealed__lede {
  margin: 0 0 clamp(18px, 2.4vw, 26px);
  max-width: 72ch;
  font-size: 15px;
  line-height: 1.8;
  color: #2E4238;
}

.page-news .sealed__list {
  list-style: none;
  margin: 0 0 clamp(18px, 2.4vw, 26px);
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: rgba(5, 19, 15, 0.14);
  border: 1px solid rgba(5, 19, 15, 0.14);
}

.page-news .sealed__item {
  background: var(--paper);
  padding: clamp(16px, 2vw, 24px);
  display: flex;
  flex-direction: column;
  gap: 9px;
}

.page-news .sealed__item .h-4 {
  margin: 0;
  font-size: 17px;
  line-height: 1.4;
  color: var(--ink-950);
}

.page-news .sealed__item p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: #43584D;
}

.page-news .sealed__item .tag--sealed {
  align-self: flex-start;
  color: #A8410D;
  border-color: rgba(168, 65, 13, 0.42);
  background: rgba(255, 122, 47, 0.14);
}

.page-news .sealed__cta {
  color: var(--ink-950);
  border-color: rgba(5, 19, 15, 0.35);
}

@media (min-width: 760px) {
  .page-news .sealed__list {
    grid-template-columns: minmax(0, 1.32fr) minmax(0, 1fr) minmax(0, 1fr);
  }
}

/* ---------- 更新节奏 ---------- */
.page-news .rhythm {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-news .rhythm__col {
  background: var(--ink-900);
  padding: clamp(16px, 2.2vw, 26px);
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.page-news .rhythm__col .eyebrow {
  margin: 0;
  color: var(--cyan);
}

.page-news .rhythm__col .h-4 {
  margin: 0;
  font-size: 17px;
  line-height: 1.4;
  color: var(--paper);
}

.page-news .rhythm__col p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--mist);
}

.page-news .rhythm__col .mono {
  font-family: var(--font-mono);
  font-size: 13.5px;
  color: var(--cyan-soft);
  word-break: break-all;
}

.page-news .rhythm__col .btn {
  align-self: flex-start;
  margin-top: auto;
}

@media (min-width: 780px) {
  .page-news .rhythm {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  }
  .page-news .rhythm__col--wide {
    grid-column: 1 / -1;
    flex-direction: row;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px 24px;
  }
  .page-news .rhythm__col--wide .h-4,
  .page-news .rhythm__col--wide p {
    flex: 1 1 260px;
  }
  .page-news .rhythm__col--wide .btn {
    margin-top: 0;
  }
}

/* ---------- 归档索引 ---------- */
.page-news .archive {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3vw, 34px);
}

.page-news .archive__col .h-4 {
  margin: 0 0 12px;
  padding-bottom: 9px;
  border-bottom: 1px solid var(--cyan);
  font-size: 15px;
  letter-spacing: 0.04em;
  color: var(--cyan);
}

.page-news .archive__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-news .archive__list li {
  display: flex;
  flex-direction: column;
  gap: 3px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-news .archive__list a {
  font-size: 15px;
  color: var(--paper);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  align-self: flex-start;
  transition: color var(--speed), border-color var(--speed);
}

.page-news .archive__list a:hover {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

.page-news .archive__list span {
  font-size: 13px;
  color: var(--mist);
}

.page-news .archive__note {
  margin: clamp(20px, 2.6vw, 30px) 0 0;
  font-size: 14px;
  color: var(--mist);
}

.page-news .archive__note a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

@media (min-width: 700px) {
  .page-news .archive {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  }
}

/* ---------- 右侧更新日志 ---------- */
.page-news .news-log {
  border-top: 1px solid var(--line);
  padding-top: clamp(18px, 2.4vw, 26px);
}

.page-news .news-log .h-4 {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-size: 15px;
  letter-spacing: 0.08em;
  color: var(--paper);
}

.page-news .log {
  list-style: none;
  margin: 0;
  padding: 0 0 0 18px;
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.page-news .log::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 6px;
  bottom: 6px;
  width: 1px;
  background: var(--line);
}

.page-news .log__item {
  position: relative;
}

.page-news .log__item::before {
  content: "";
  position: absolute;
  left: -18px;
  top: 6px;
  width: 7px;
  height: 7px;
  border: 1px solid var(--cyan);
  background: var(--ink-950);
}

.page-news .log__time {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.03em;
  color: var(--cyan-soft);
  margin-bottom: 4px;
}

.page-news .log__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--mist);
}

@media (min-width: 900px) and (max-width: 1199px) {
  .page-news .news-log {
    border-top: 1px solid var(--line);
  }
  .page-news .log {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px 24px;
    padding-left: 0;
  }
  .page-news .log::before {
    display: none;
  }
  .page-news .log__item {
    padding-top: 12px;
    border-top: 1px solid var(--line-soft);
  }
  .page-news .log__item::before {
    left: 0;
    top: -4px;
    background: var(--ink-950);
  }
}

@media (min-width: 1200px) {
  .page-news .news-log {
    position: sticky;
    top: calc(var(--header-h) + 18px);
    align-self: start;
  }
}

/* ---------- 按钮微调 ---------- */
.page-news .btn--sm {
  white-space: nowrap;
}

@media (max-width: 420px) {
  .page-news .news-hero__stats {
    grid-template-columns: minmax(0, 1fr);
  }
  .page-news .focus__foot {
    align-items: flex-start;
  }
}