.page-news {
  background: var(--ink-900);
  color: var(--mist-200);
  font-family: var(--font-body);
}

/* ---------- 顶部栏目声明 ---------- */
.page-news .news-mast {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  background: var(--ink-800);
}
.page-news .news-mast__bg {
  position: absolute;
  inset: 0;
  z-index: -2;
}
.page-news .news-mast__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .22;
  filter: saturate(.45) contrast(1.05);
}
.page-news .news-mast::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(180deg, rgba(11, 21, 18, .76) 0%, rgba(11, 21, 18, .95) 74%, var(--ink-900) 100%);
}
.page-news .news-mast__inner {
  padding-block: clamp(24px, 4vw, 42px) clamp(26px, 4vw, 44px);
}
.page-news .news-mast__title {
  margin: 12px 0 0;
  max-width: 22ch;
  font-family: var(--font-title);
  font-weight: 900;
  font-size: clamp(27px, 6.2vw, 46px);
  line-height: 1.16;
  letter-spacing: -.02em;
  color: var(--paper-050);
}
.page-news .news-mast__lede {
  margin: 14px 0 0;
  max-width: 62ch;
  font-size: 16px;
  line-height: 1.85;
  color: var(--text-dim);
}
.page-news .news-mast__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 26px;
  margin: 22px 0 0;
  padding: 14px 0 0;
  border-top: 1px solid var(--line-soft);
  list-style: none;
  font-size: 13px;
  line-height: 1.7;
  color: var(--text-faint);
}
.page-news .news-mast__meta .yb-num {
  font-family: var(--font-num);
  font-weight: 700;
  font-size: 15px;
  color: var(--lime-400);
}

/* ---------- 条目区：左分类轴 + 右条目流 ---------- */
.page-news .news-log {
  padding-block: clamp(28px, 4vw, 50px) clamp(34px, 5vw, 62px);
}
.page-news .news-body {
  display: grid;
  gap: 24px;
  margin-top: 26px;
}
.page-news .news-axis {
  padding-top: 14px;
  border-top: 1px solid var(--line-strong);
}
.page-news .news-axis__label {
  margin: 0 0 12px;
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: .22em;
  color: var(--orange-500);
}
.page-news .news-axis__list {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 4px;
  scrollbar-width: none;
}
.page-news .news-axis__list::-webkit-scrollbar {
  display: none;
}
.page-news .news-axis__btn {
  flex: none;
  min-height: 44px;
  padding: 0 16px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: transparent;
  color: var(--text-dim);
  font-family: var(--font-body);
  font-size: 14px;
  letter-spacing: .04em;
  white-space: nowrap;
  cursor: pointer;
  transition: background .2s ease, border-color .2s ease, color .2s ease;
}
.page-news .news-axis__btn:hover {
  border-color: var(--mist-200);
  color: var(--paper-050);
}
.page-news .news-axis__btn.is-active {
  background: var(--orange-500);
  border-color: var(--orange-500);
  color: var(--ink-900);
  font-weight: 700;
}
.page-news .news-axis__foot {
  margin: 14px 0 0;
  font-size: 12px;
  line-height: 1.75;
  color: var(--text-faint);
  max-width: 30ch;
}

.page-news .news-list {
  min-width: 0;
}
.page-news .news-list__note {
  margin: 0 0 20px;
  padding-left: 14px;
  border-left: 2px solid var(--orange-500);
  max-width: 76ch;
  font-size: 14px;
  line-height: 1.85;
  color: var(--text-faint);
}

.page-news .news-item {
  position: relative;
  padding: 20px 0 22px;
  border-bottom: 1px solid var(--line-soft);
}
.page-news .news-item:first-of-type {
  border-top: 1px solid var(--line-strong);
}
.page-news .news-item::before {
  content: "";
  position: absolute;
  left: -14px;
  top: 20px;
  bottom: 22px;
  width: 2px;
  background: var(--orange-500);
  transform: scaleY(0);
  transform-origin: top;
  transition: transform .2s ease;
}
.page-news .news-item__top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}
.page-news .news-item__tag {
  flex: none;
  padding: 3px 8px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--text-dim);
}
.page-news .news-item__tag--afc {
  border-color: rgba(201, 242, 78, .45);
  color: var(--lime-400);
}
.page-news .news-item__tag--csl {
  border-color: rgba(240, 182, 90, .45);
  color: var(--amber-300);
}
.page-news .news-item__tag--code {
  border-color: rgba(255, 106, 43, .5);
  color: var(--orange-500);
}
.page-news .news-item__rule {
  flex: 1 1 auto;
  min-width: 18px;
  height: 0;
  border-top: 1px dashed var(--line);
}
.page-news .news-item__when {
  flex: none;
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--text-faint);
  white-space: nowrap;
}
.page-news .news-item__title {
  margin: 10px 0 0;
  font-family: var(--font-title);
  font-weight: 800;
  font-size: clamp(17px, 2.6vw, 21px);
  line-height: 1.45;
  letter-spacing: -.01em;
  color: var(--paper-050);
  transition: color .2s ease;
}
.page-news .news-item__desc {
  margin: 8px 0 0;
  max-width: 68ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-dim);
}
.page-news .news-item__cite {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px 10px;
  margin: 12px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--text-faint);
}
.page-news .news-item__cite-label {
  font-family: var(--font-num);
  font-size: 11px;
  letter-spacing: .16em;
  padding: 2px 6px;
  border: 1px solid rgba(255, 106, 43, .45);
  border-radius: var(--radius);
  color: var(--orange-500);
}
.page-news .news-item__cite .yb-num {
  font-family: var(--font-num);
  font-weight: 700;
  font-size: 15px;
  color: var(--lime-400);
}
.page-news .news-list__foot {
  padding-top: 24px;
}

.page-news .news-band {
  margin: clamp(30px, 5vw, 54px) 0 0;
}
.page-news .news-band img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 14 / 9;
  object-fit: cover;
  opacity: .55;
  filter: saturate(.5);
  border: 1px solid var(--line-soft);
}
.page-news .news-band__caption {
  margin: 10px 0 0;
  max-width: 72ch;
  font-size: 12px;
  line-height: 1.75;
  color: var(--text-faint);
}

/* ---------- 章节通用 ---------- */
.page-news .news-chapter__inner {
  padding-block: clamp(34px, 5vw, 66px);
}
.page-news .news-chapter__num {
  display: block;
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: .24em;
  color: var(--orange-500);
}
.page-news .news-chapter__title {
  margin: 10px 0 0;
  font-family: var(--font-title);
  font-weight: 900;
  font-size: clamp(23px, 3.6vw, 34px);
  line-height: 1.25;
  letter-spacing: -.02em;
  color: var(--paper-050);
}
.page-news .news-chapter__note {
  margin: 12px 0 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--text-dim);
}

/* ---------- 专题系列 ---------- */
.page-news .news-series {
  background: var(--ink-800);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.page-news .news-series__top {
  display: grid;
  gap: 22px;
}
.page-news .news-series__figure {
  margin: 0;
}
.page-news .news-series__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border: 1px solid var(--line-strong);
  opacity: .82;
}
.page-news .news-series__stream {
  display: flex;
  gap: 14px;
  margin: 26px 0 0;
  padding: 0 0 10px;
  list-style: none;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
}
.page-news .news-series__stream::-webkit-scrollbar {
  height: 4px;
}
.page-news .news-series__stream::-webkit-scrollbar-thumb {
  background: var(--line-strong);
}
.page-news .news-series__card {
  flex: 0 0 min(84%, 300px);
  display: flex;
  gap: 14px;
  padding: 18px 16px;
  scroll-snap-align: start;
  background: var(--graphite-700);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
}
.page-news .news-series__issue {
  flex: none;
  writing-mode: vertical-rl;
  text-orientation: mixed;
  padding-inline-end: 10px;
  border-inline-end: 1px solid var(--line);
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--amber-300);
}
.page-news .news-series__body {
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-width: 0;
}
.page-news .news-series__name {
  margin: 0;
  font-family: var(--font-title);
  font-weight: 800;
  font-size: 17px;
  line-height: 1.4;
  color: var(--paper-050);
}
.page-news .news-series__desc {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--text-dim);
}
.page-news .news-series__link {
  margin-top: auto;
  padding-top: 6px;
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--lime-400);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}
.page-news .news-series__link:hover {
  border-bottom-color: var(--lime-400);
}

/* ---------- 引用方式 ---------- */
.page-news .news-cite {
  background: var(--ink-900);
}
.page-news .news-cite__grid {
  display: grid;
  gap: 28px;
  margin-top: 26px;
}
.page-news .news-cite__steps {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: news-cite;
}
.page-news .news-cite__steps li {
  position: relative;
  padding: 16px 0 16px 46px;
  border-bottom: 1px solid var(--line-soft);
}
.page-news .news-cite__steps li:first-child {
  border-top: 1px solid var(--line-strong);
}
.page-news .news-cite__steps li::before {
  counter-increment: news-cite;
  content: counter(news-cite, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 18px;
  font-family: var(--font-num);
  font-weight: 700;
  font-size: 14px;
  letter-spacing: .06em;
  color: var(--lime-400);
}
.page-news .news-cite__step-title {
  margin: 0;
  font-family: var(--font-title);
  font-weight: 800;
  font-size: 16px;
  line-height: 1.5;
  color: var(--paper-050);
}
.page-news .news-cite__step-text {
  margin: 6px 0 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--text-dim);
}
.page-news .news-cite__figure {
  margin: 0;
}
.page-news .news-cite__figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--line-strong);
  opacity: .85;
}
.page-news .news-cite__figure figcaption {
  margin-top: 10px;
  font-size: 12px;
  line-height: 1.75;
  color: var(--text-faint);
}

/* ---------- 编辑部入口 ---------- */
.page-news .news-desk {
  background: var(--ink-800);
  border-top: 1px solid var(--line);
}
.page-news .news-desk__grid {
  display: grid;
  gap: 14px;
  margin-top: 26px;
}
.page-news .news-desk__card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 22px 20px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: rgba(29, 43, 43, .55);
  color: inherit;
  text-decoration: none;
  transition: border-color .2s ease, background .2s ease;
}
.page-news .news-desk__card:hover {
  border-color: var(--orange-500);
  background: rgba(29, 43, 43, .92);
}
.page-news .news-desk__num {
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--orange-500);
}
.page-news .news-desk__name {
  margin: 0;
  font-family: var(--font-title);
  font-weight: 800;
  font-size: 17px;
  line-height: 1.45;
  color: var(--paper-050);
}
.page-news .news-desk__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--text-dim);
}
.page-news .news-desk__go {
  margin-top: auto;
  padding-top: 12px;
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--lime-400);
}

/* ---------- 响应式 ---------- */
@media (max-width: 520px) {
  .page-news .news-item__rule {
    display: none;
  }
  .page-news .news-item__top {
    justify-content: space-between;
  }
  .page-news .news-item::before {
    left: -8px;
  }
}

@media (min-width: 780px) {
  .page-news .news-desk__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
  }
}

@media (min-width: 860px) {
  .page-news .news-series__top {
    grid-template-columns: minmax(0, 1fr) 176px;
    align-items: end;
    gap: 44px;
  }
}

@media (min-width: 900px) {
  .page-news .news-body {
    grid-template-columns: 190px minmax(0, 1fr);
    gap: clamp(30px, 4vw, 60px);
    margin-top: 34px;
  }
  .page-news .news-axis {
    position: sticky;
    top: calc(var(--header-h) + 20px);
    align-self: start;
  }
  .page-news .news-axis__list {
    flex-direction: column;
    overflow: visible;
    padding-bottom: 0;
  }
  .page-news .news-axis__btn {
    width: 100%;
    text-align: left;
  }
  .page-news .news-item {
    padding-inline: 16px;
  }
  .page-news .news-item::before {
    left: 0;
  }
  .page-news .news-item__top {
    flex-wrap: nowrap;
  }
  .page-news .news-cite__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
    gap: 46px;
    align-items: start;
  }
}

@media (hover: hover) and (min-width: 900px) {
  .page-news .news-item:hover {
    background: linear-gradient(90deg, rgba(29, 43, 43, .85), rgba(29, 43, 43, 0));
  }
  .page-news .news-item:hover::before {
    transform: scaleY(1);
  }
  .page-news .news-item:hover .news-item__title {
    color: var(--lime-400);
  }
}

@media (min-width: 1100px) {
  .page-news .news-series__card {
    flex-basis: 320px;
  }
}