.page-news {
  --news-hover-tint: rgba(214, 40, 40, .05);
  --news-thumb-w: 176px;
  background: var(--cream-050);
  color: var(--ink-900);
}

/* ---------- 首屏斜切色带 ---------- */
.page-news .column-masthead {
  position: relative;
  background: var(--ink-900);
  color: var(--cream-050);
  padding: clamp(26px, 5vw, 48px) 0 clamp(52px, 8vw, 88px);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 38px), 0 100%);
}

.page-news .column-masthead .crumbs {
  font-size: 13px;
  margin: 0 0 6px;
}

.page-news .column-masthead .crumbs a,
.page-news .column-masthead .crumbs li {
  color: var(--cream-100);
}

.page-news .masthead__kicker {
  margin: 20px 0 0;
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--cyan);
}

.page-news .masthead__title {
  margin: 14px 0 18px;
  font-size: clamp(28px, 5.2vw, 50px);
  line-height: 1.16;
  font-weight: 900;
  letter-spacing: -0.025em;
  max-width: 20em;
}

.page-news .masthead__lead {
  margin: 0;
  max-width: 38em;
  font-size: 16px;
  line-height: 1.8;
  color: var(--cream-100);
}

.page-news .masthead__stats {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 22px 40px;
  margin: 30px 0 0;
  padding: 0;
}

.page-news .masthead__stats li {
  display: flex;
  flex-direction: column;
  gap: 5px;
  min-width: 150px;
}

.page-news .masthead__stats .mono {
  font-size: 24px;
  font-weight: 700;
  line-height: 1.1;
  color: var(--cyan);
  font-variant-numeric: tabular-nums;
}

.page-news .masthead__stats li > span:last-child {
  font-size: 13px;
  line-height: 1.5;
  color: var(--cream-100);
  opacity: .82;
  max-width: 22em;
}

/* ---------- 横幅 ---------- */
.page-news .column-banner {
  margin: 0 auto;
}

.page-news .column-banner img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 2px;
}

/* ---------- 分类导航 ---------- */
.page-news .catnav {
  margin-top: clamp(26px, 4vw, 40px);
  padding: 20px 0 22px;
  background: var(--cream-100);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-news .catnav__hint {
  margin: 0 0 12px;
  font-size: 13px;
  color: var(--cool-gray);
}

.page-news .catnav__row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-news .catnav__item {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 8px 16px 8px 13px;
  background: var(--cream-050);
  color: var(--ink-900);
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%);
  transition: transform .18s var(--ease), background .18s var(--ease), color .18s var(--ease);
}

.page-news .catnav__item:hover,
.page-news .catnav__item:focus-visible {
  background: var(--ink-900);
  color: var(--cream-050);
  transform: translateY(-2px);
}

.page-news .catnav__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--line);
  flex: 0 0 auto;
}

.page-news .catnav__item--obs .catnav__dot { background: var(--brand-red); }
.page-news .catnav__item--method .catnav__dot { background: var(--deep-blue); }
.page-news .catnav__item--ver .catnav__dot { background: var(--amber); }
.page-news .catnav__item--new .catnav__dot { background: var(--cyan); }

/* ---------- 通用章节 ---------- */
.page-news .section {
  padding: clamp(42px, 6vw, 74px) 0;
}

.page-news .section--cream {
  background: var(--cream-100);
}

.page-news .section__head {
  margin-bottom: clamp(22px, 3vw, 36px);
}

.page-news .section__head h2 {
  margin: 0 0 12px;
  font-size: clamp(25px, 3.6vw, 36px);
  font-weight: 900;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.page-news .section__head h2::after {
  content: "";
  display: block;
  width: 54px;
  height: 5px;
  margin-top: 13px;
  background: var(--brand-red);
}

.page-news .section__sub {
  margin: 0;
  max-width: 38em;
  font-size: 16px;
  line-height: 1.78;
  color: var(--ink-900);
}

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

.page-news .entry {
  border-bottom: 1px solid var(--line);
  transition: background .2s var(--ease);
}

.page-news .entry:hover,
.page-news .entry:focus-within {
  background: var(--news-hover-tint);
}

.page-news .entry:target {
  background: var(--cream-100);
}

.page-news .entry__link {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  padding: 20px 16px 22px 18px;
  border-left: 3px solid var(--line);
  color: inherit;
  text-decoration: none;
  transition: border-color .2s var(--ease);
}

.page-news .entry--obs .entry__link { border-left-color: var(--brand-red); }
.page-news .entry--method .entry__link { border-left-color: var(--deep-blue); }
.page-news .entry--ver .entry__link { border-left-color: var(--amber); }
.page-news .entry--new .entry__link { border-left-color: var(--cyan); }

.page-news .entry__body {
  flex: 1 1 auto;
  min-width: 0;
}

.page-news .entry__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 10px;
  margin-bottom: 9px;
}

.page-news .entry__cat {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .08em;
  padding: 3px 11px 3px 9px;
  background: var(--ink-900);
  color: var(--cream-050);
  clip-path: polygon(0 0, 100% 0, calc(100% - 7px) 100%, 0 100%);
}

.page-news .entry--obs .entry__cat { background: var(--brand-red); }
.page-news .entry--method .entry__cat { background: var(--deep-blue); }
.page-news .entry--ver .entry__cat { background: var(--amber); color: var(--ink-900); }
.page-news .entry--new .entry__cat { background: var(--cyan); color: var(--ink-900); }

.page-news .entry__time,
.page-news .entry__read {
  font-size: 12.5px;
  color: var(--cool-gray);
  font-variant-numeric: tabular-nums;
}

.page-news .entry__title {
  margin: 0 0 7px;
  font-size: 17px;
  font-weight: 800;
  line-height: 1.48;
  letter-spacing: -0.01em;
}

.page-news .entry__sum {
  margin: 0;
  max-width: 44em;
  font-size: 15px;
  line-height: 1.72;
  color: var(--ink-900);
}

.page-news .entry__more {
  margin: 0;
  max-width: 44em;
  font-size: 14px;
  line-height: 1.7;
  color: var(--cool-gray);
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  transition: max-height .3s var(--ease), opacity .3s var(--ease), margin-top .3s var(--ease);
}

.page-news .entry__link:hover .entry__more,
.page-news .entry__link:focus-visible .entry__more {
  max-height: 8em;
  opacity: 1;
  margin-top: 9px;
}

.page-news .entry__thumb {
  display: none;
}

/* ---------- 专题系列 ---------- */
.page-news .series-grid {
  display: grid;
  gap: 26px;
}

.page-news .series {
  padding-top: 18px;
  border-top: 3px solid var(--ink-900);
}

.page-news .series--a { border-top-color: var(--brand-red); }
.page-news .series--b { border-top-color: var(--deep-blue); }
.page-news .series--c { border-top-color: var(--amber); }

.page-news .series__title {
  margin: 0 0 9px;
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -0.01em;
}

.page-news .series__desc {
  margin: 0 0 18px;
  font-size: 15px;
  line-height: 1.72;
  color: var(--ink-900);
}

.page-news .series__bar {
  height: 8px;
  background: var(--cream-050);
  overflow: hidden;
}

.page-news .series--a .series__bar span { background: var(--brand-red); }
.page-news .series--b .series__bar span { background: var(--deep-blue); }
.page-news .series--c .series__bar span { background: var(--amber); }

.page-news .series__bar span {
  display: block;
  height: 100%;
}

.page-news .series__prog {
  margin: 10px 0 0;
  font-size: 12.5px;
  color: var(--cool-gray);
  font-variant-numeric: tabular-nums;
}

/* ---------- 版本更新记录 ---------- */
.page-news .verwrap {
  display: grid;
  gap: 26px;
}

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

.page-news .verwrap__fig img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 8px;
}

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

.page-news .verstep__item {
  display: grid;
  grid-template-columns: 76px minmax(0, 1fr);
  gap: 16px;
  padding: 20px 0;
  border-top: 1px solid var(--line);
}

.page-news .verstep__item:last-child {
  border-bottom: 1px solid var(--line);
}

.page-news .verstep__v {
  margin: 0;
  font-size: 21px;
  font-weight: 700;
  line-height: 1.1;
  color: var(--brand-red);
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
}

.page-news .verstep__title {
  margin: 0 0 7px;
  font-size: 17px;
  font-weight: 800;
  line-height: 1.45;
}

.page-news .verstep__badge {
  display: inline-block;
  margin-left: 8px;
  padding: 2px 9px;
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: .06em;
  color: var(--cream-050);
  background: var(--red-deep);
  vertical-align: middle;
  clip-path: polygon(0 0, 100% 0, calc(100% - 6px) 100%, 0 100%);
}

.page-news .verstep__desc {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--ink-900);
  max-width: 40em;
}

/* ---------- 阅读路径 ---------- */
.page-news .paths {
  display: grid;
  gap: 0;
}

.page-news .path {
  padding: 22px 0;
  border-top: 1px solid var(--line);
}

.page-news .path:last-child {
  border-bottom: 1px solid var(--line);
}

.page-news .path__no {
  margin: 0 0 10px;
  font-size: 28px;
  font-weight: 700;
  line-height: 1;
  color: var(--cool-gray);
  font-variant-numeric: tabular-nums;
}

.page-news .path--a .path__no { color: var(--brand-red); }
.page-news .path--b .path__no { color: var(--deep-blue); }
.page-news .path--c .path__no { color: var(--amber); }

.page-news .path__title {
  margin: 0 0 9px;
  font-size: 18px;
  font-weight: 800;
  line-height: 1.4;
}

.page-news .path__desc {
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.72;
  color: var(--ink-900);
  max-width: 34em;
}

.page-news .path__links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  margin: 0;
}

.page-news .path__links a {
  font-size: 14px;
  font-weight: 700;
  color: var(--brand-red);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  transition: border-color .18s var(--ease);
}

.page-news .path__links a:hover,
.page-news .path__links a:focus-visible {
  border-bottom-color: var(--brand-red);
}

/* ---------- 尾部行动区 ---------- */
.page-news .cta__panel {
  padding: clamp(26px, 4vw, 46px);
}

.page-news .cta__title {
  margin: 0 0 14px;
  font-size: clamp(22px, 3vw, 30px);
  font-weight: 900;
  line-height: 1.28;
  letter-spacing: -0.02em;
  color: var(--cream-050);
  max-width: 22em;
}

.page-news .cta__lead {
  margin: 0;
  max-width: 40em;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--cream-100);
}

.page-news .cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 24px 0 0;
}

.page-news .cta__panel .btn--ghost {
  color: var(--cream-050);
  border-color: rgba(246, 241, 231, .48);
}

.page-news .cta__panel .btn--ghost:hover,
.page-news .cta__panel .btn--ghost:focus-visible {
  background: var(--cream-050);
  color: var(--ink-900);
  border-color: var(--cream-050);
}

/* ---------- 显现动效 ---------- */
.page-news.js-motion [data-reveal] {
  transition: opacity .48s var(--ease), transform .48s var(--ease);
}

.page-news.js-motion [data-reveal]:not(.is-in) {
  opacity: 0;
  transform: translateY(12px);
}

/* ---------- 悬停不可用的设备 ---------- */
@media (hover: none) {
  .page-news .entry__more {
    max-height: 8em;
    opacity: 1;
    margin-top: 9px;
  }
}

/* ---------- 平板 ---------- */
@media (min-width: 768px) {
  .page-news .entry__link {
    padding: 22px 20px 24px 20px;
  }

  .page-news .entry__title {
    font-size: 18px;
  }

  .page-news .entry__thumb {
    display: block;
    flex: 0 0 var(--news-thumb-w);
  }

  .page-news .entry__thumb img {
    display: block;
    width: 100%;
    height: auto;
    aspect-ratio: 640 / 420;
    object-fit: cover;
    border-radius: 8px;
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 1024px) {
  .page-news .series-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 32px;
  }

  .page-news .verwrap {
    grid-template-columns: minmax(0, 280px) minmax(0, 1fr);
    gap: 48px;
    align-items: start;
  }

  .page-news .verstep__item {
    grid-template-columns: 92px minmax(0, 1fr);
    gap: 22px;
  }

  .page-news .paths {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-news .path {
    padding: 6px 30px 8px;
    border-top: 3px solid var(--line);
    border-bottom: 0;
  }

  .page-news .path:first-child {
    border-left: 0;
    padding-left: 0;
  }

  .page-news .path:last-child {
    border-bottom: 0;
    padding-right: 0;
  }

  .page-news .path--a { border-top-color: var(--brand-red); }
  .page-news .path--b { border-top-color: var(--deep-blue); }
  .page-news .path--c { border-top-color: var(--amber); }
}

/* ---------- 降级动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-news *,
  .page-news *::before,
  .page-news *::after {
    transition-duration: .001ms !important;
    animation-duration: .001ms !important;
  }

  .page-news.js-motion [data-reveal]:not(.is-in) {
    opacity: 1;
    transform: none;
  }

  .page-news .catnav__item:hover {
    transform: none;
  }
}