/* ===== 品牌专栏 /column/ 页面专属样式 ===== */
.page-news {
  --news-hair: 1px solid var(--line-soft);
  --news-panel: #12244A;
}

.page-news img {
  max-width: 100%;
  height: auto;
}

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: clamp(34px, 5.4vw, 70px) 0 clamp(28px, 4.4vw, 54px);
  border-bottom: var(--news-hair);
}

.page-news .news-hero::before {
  content: "";
  position: absolute;
  z-index: -1;
  top: -32%;
  right: -20%;
  width: min(880px, 88%);
  height: 168%;
  background:
    linear-gradient(128deg, rgba(0, 229, 255, 0.16) 0%, rgba(14, 42, 74, 0.5) 46%, rgba(255, 107, 53, 0.13) 100%);
  transform: skewX(-15deg);
  pointer-events: none;
}

.page-news .news-hero::after {
  content: "";
  position: absolute;
  z-index: -1;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--cyan) 0%, rgba(0, 229, 255, 0) 42%, rgba(255, 107, 53, 0.85) 100%);
  pointer-events: none;
}

.page-news .news-hero__grid {
  display: grid;
  gap: clamp(24px, 4vw, 46px);
  grid-template-columns: minmax(0, 1fr);
}

.page-news .news-hero__text {
  min-width: 0;
  animation: newsRise 0.62s ease-out both;
}

.page-news .news-hero h1 {
  margin: 14px 0 0;
  font-size: clamp(30px, 5.2vw, 56px);
  line-height: 1.08;
  letter-spacing: -0.028em;
  font-weight: 900;
  color: var(--white);
}

.page-news .news-hero .lede {
  margin: 18px 0 0;
  max-width: 58ch;
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.78;
  color: var(--silver);
}

.page-news .news-hero__facts {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 26px;
}

.page-news .news-hero__facts li {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  font-size: 13.5px;
  color: var(--silver);
  padding-left: 12px;
  border-left: 2px solid var(--cyan-line);
}

.page-news .news-hero__facts .mono {
  color: var(--cyan);
  font-size: 14px;
  font-weight: 700;
}

.page-news .news-hero .btn-row {
  margin-top: 26px;
}

.page-news .news-hero__figure {
  position: relative;
  margin: 0;
  border: 2px solid var(--line-soft);
  background: var(--news-panel);
  box-shadow: var(--shadow-cyan);
  animation: newsRise 0.62s ease-out 0.1s both;
}

.page-news .news-hero__figure img {
  display: block;
  width: 100%;
  aspect-ratio: 2 / 1;
  object-fit: cover;
}

/* ---------- 栏目索引 ---------- */
.page-news .news-index {
  padding-top: clamp(42px, 6vw, 80px);
}

.page-news .news-index__head {
  display: grid;
  gap: clamp(20px, 3vw, 36px);
  grid-template-columns: minmax(0, 1fr);
  align-items: end;
  margin-bottom: clamp(24px, 3.4vw, 40px);
}

.page-news .news-index__intro h2 {
  margin: 12px 0 0;
  font-size: clamp(26px, 4vw, 40px);
  line-height: 1.14;
  letter-spacing: -0.022em;
  color: var(--white);
}

.page-news .news-index__intro .measure {
  margin: 14px 0 0;
  color: var(--silver);
  font-size: 15.5px;
  line-height: 1.75;
}

.page-news .news-index__fig {
  margin: 0;
  border: 1px solid var(--line-soft);
  background: var(--news-panel);
}

.page-news .news-index__fig img {
  display: block;
  width: 100%;
  aspect-ratio: 10 / 7;
  object-fit: cover;
}

.page-news .news-index__fig .media__cap {
  display: block;
  padding: 8px 10px;
  font-size: 12px;
  font-family: var(--font-mono);
  color: var(--silver);
  opacity: 0.85;
  border-top: 1px solid var(--line-soft);
}

.page-news .news-index__filter {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  border: 0;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

.page-news .news-index__inner {
  display: grid;
  gap: clamp(22px, 3.4vw, 46px);
  grid-template-columns: minmax(0, 1fr);
  align-items: start;
}

/* 侧栏标签 */
.page-news .news-rail {
  min-width: 0;
}

.page-news .news-rail__title {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--orange);
}

.page-news .news-rail__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-news .news-rail__tab {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 11px 13px;
  border: 1.5px solid var(--line-soft);
  background: var(--deep-2);
  color: var(--silver);
  font-size: 14px;
  line-height: 1.3;
  cursor: pointer;
  transition: border-color 0.18s ease, color 0.18s ease, background 0.18s ease, transform 0.18s ease;
}

.page-news .news-rail__tab:hover {
  border-color: var(--cyan-line);
  color: var(--white);
  transform: translateX(3px);
}

.page-news .news-rail__dot {
  flex: 0 0 auto;
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.page-news .news-rail__dot--all { background: var(--silver); }
.page-news .news-rail__dot--version { background: var(--cyan); }
.page-news .news-rail__dot--observe { background: var(--orange); }
.page-news .news-rail__dot--topic { background: var(--amber); }

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

.page-news .news-rail__count {
  flex: 0 0 auto;
  font-size: 12px;
  color: var(--silver);
  opacity: 0.8;
}

.page-news .news-rail__note {
  margin: 14px 0 0;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--silver);
  opacity: 0.75;
}

/* 选中与聚焦状态 */
.page-news #col-all:checked ~ .news-index__inner [for="col-all"],
.page-news #col-version:checked ~ .news-index__inner [for="col-version"],
.page-news #col-observe:checked ~ .news-index__inner [for="col-observe"],
.page-news #col-topic:checked ~ .news-index__inner [for="col-topic"] {
  border-color: var(--cyan);
  background: var(--cyan-soft);
  color: var(--white);
}

.page-news #col-all:checked ~ .news-index__inner [for="col-all"] .news-rail__count,
.page-news #col-version:checked ~ .news-index__inner [for="col-version"] .news-rail__count,
.page-news #col-observe:checked ~ .news-index__inner [for="col-observe"] .news-rail__count,
.page-news #col-topic:checked ~ .news-index__inner [for="col-topic"] .news-rail__count {
  color: var(--cyan);
  opacity: 1;
}

.page-news .news-index__filter:focus-visible ~ .news-index__inner .news-rail__tab {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

/* 静态筛选 */
.page-news #col-version:checked ~ .news-index__inner .news-item:not([data-cat="version"]),
.page-news #col-observe:checked ~ .news-index__inner .news-item:not([data-cat="observe"]),
.page-news #col-topic:checked ~ .news-index__inner .news-item:not([data-cat="topic"]) {
  display: none;
}

/* 条目流 */
.page-news .news-stream {
  min-width: 0;
  border-top: var(--news-hair);
}

.page-news .news-item {
  position: relative;
  display: grid;
  gap: 8px;
  grid-template-columns: minmax(0, 1fr);
  padding: clamp(22px, 3vw, 32px) 0;
  border-bottom: var(--news-hair);
}

.page-news .news-item::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--cyan), var(--orange));
  transition: width 0.36s ease;
}

.page-news .news-item:hover::after {
  width: 100%;
}

.page-news .news-item__no {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--cyan);
  opacity: 0.85;
}

.page-news .news-item__body {
  min-width: 0;
}

.page-news .news-item__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 12px;
}

.page-news .news-item__tag {
  display: inline-flex;
  align-items: center;
  padding: 4px 9px;
  border: 1px solid var(--line-soft);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--silver);
}

.page-news [data-cat="version"] .news-item__tag {
  border-color: var(--cyan-line);
  color: var(--cyan);
}

.page-news [data-cat="observe"] .news-item__tag {
  border-color: rgba(255, 107, 53, 0.42);
  color: var(--orange);
}

.page-news [data-cat="topic"] .news-item__tag {
  border-color: rgba(255, 176, 32, 0.42);
  color: var(--amber);
}

.page-news .news-item__time {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--silver);
  opacity: 0.78;
}

.page-news .news-item__title {
  margin: 10px 0 0;
  font-size: clamp(19px, 2.4vw, 25px);
  line-height: 1.32;
  letter-spacing: -0.016em;
  font-weight: 800;
  color: var(--white);
}

.page-news .news-item__excerpt {
  margin: 10px 0 0;
  max-width: 64ch;
  font-size: 15px;
  line-height: 1.76;
  color: var(--silver);
}

.page-news .news-item__more {
  margin-top: 12px;
}

.page-news .news-item__more summary {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  list-style: none;
  cursor: pointer;
  padding-bottom: 2px;
  border-bottom: 1px solid var(--cyan-line);
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--cyan);
  transition: color 0.18s ease, border-color 0.18s ease;
}

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

.page-news .news-item__more summary::after {
  content: "+";
  font-size: 14px;
  line-height: 1;
}

.page-news .news-item__more[open] summary::after {
  content: "–";
}

.page-news .news-item__more summary:hover {
  color: var(--white);
  border-color: var(--white);
}

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

.page-news .news-item__more-close {
  display: none;
}

.page-news .news-item__more[open] .news-item__more-open {
  display: none;
}

.page-news .news-item__more[open] .news-item__more-close {
  display: inline;
}

.page-news .news-item__detail {
  margin-top: 14px;
  padding-left: 14px;
  border-left: 2px solid var(--cyan-line);
  max-width: 66ch;
  color: var(--silver);
  font-size: 15px;
  line-height: 1.78;
}

.page-news .news-item__detail p {
  margin: 0 0 10px;
}

.page-news .news-item__detail p:last-child {
  margin-bottom: 0;
}

/* ---------- 专题系列 ---------- */
.page-news .news-series {
  padding-top: clamp(46px, 6.4vw, 84px);
}

.page-news .news-series__head {
  display: grid;
  gap: clamp(20px, 3.4vw, 40px);
  grid-template-columns: minmax(0, 1fr);
  align-items: center;
  margin-bottom: clamp(24px, 3.4vw, 40px);
}

.page-news .news-series__fig {
  margin: 0;
  border: 2px solid var(--cyan-line);
  background: var(--news-panel);
  box-shadow: var(--shadow-orange);
}

.page-news .news-series__fig img {
  display: block;
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-news .news-series__intro h2 {
  margin: 12px 0 0;
  font-size: clamp(26px, 4vw, 40px);
  line-height: 1.14;
  letter-spacing: -0.022em;
  color: var(--white);
}

.page-news .news-series__intro .measure {
  margin: 14px 0 0;
  color: var(--silver);
  font-size: 15.5px;
  line-height: 1.75;
}

.page-news .news-series__rail {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(250px, 80%);
  gap: 16px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding-bottom: 14px;
  margin-inline: calc(var(--gutter) * -1);
  padding-inline: var(--gutter);
  -webkit-overflow-scrolling: touch;
}

.page-news .news-series__rail::-webkit-scrollbar {
  height: 6px;
}

.page-news .news-series__rail::-webkit-scrollbar-thumb {
  background: var(--cyan-line);
  border-radius: 99px;
}

.page-news .series-card {
  scroll-snap-align: start;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: clamp(20px, 2.6vw, 28px);
  border: 2px solid var(--line-soft);
  background: var(--deep-2);
  transition: transform 0.22s ease, border-color 0.22s ease, box-shadow 0.22s ease;
}

.page-news .series-card:hover {
  transform: translateY(-4px);
  border-color: var(--cyan);
  box-shadow: var(--shadow-cyan);
}

.page-news .series-card__no {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--orange);
}

.page-news .series-card__title {
  margin: 0;
  font-size: clamp(18px, 2vw, 21px);
  line-height: 1.36;
  letter-spacing: -0.012em;
  color: var(--white);
}

.page-news .series-card__desc {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--silver);
}

.page-news .series-card__foot {
  margin-top: auto;
  padding-top: 14px;
  border-top: var(--news-hair);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--silver);
  opacity: 0.9;
}

.page-news .series-card__link {
  font-family: var(--font-sans);
  font-size: 13.5px;
  font-weight: 700;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--cyan-line);
  padding-bottom: 1px;
}

.page-news .series-card__link:hover {
  color: var(--white);
  border-color: var(--white);
}

/* ---------- 回看更早的内容 ---------- */
.page-news .news-archive {
  position: relative;
  margin-top: clamp(46px, 6.4vw, 88px);
  padding: clamp(42px, 6vw, 84px) 0;
  border-top: var(--news-hair);
  border-bottom: var(--news-hair);
  background: linear-gradient(180deg, rgba(18, 36, 74, 0.78) 0%, rgba(6, 13, 26, 0.32) 100%);
}

.page-news .news-archive__inner {
  display: grid;
  gap: clamp(26px, 4vw, 52px);
  grid-template-columns: minmax(0, 1fr);
  align-items: center;
}

.page-news .news-archive__text {
  min-width: 0;
}

.page-news .news-archive__text h2 {
  margin: 12px 0 0;
  font-size: clamp(24px, 3.6vw, 36px);
  line-height: 1.16;
  letter-spacing: -0.02em;
  color: var(--white);
}

.page-news .news-archive__text .measure {
  margin: 14px 0 0;
  color: var(--silver);
  font-size: 15.5px;
  line-height: 1.76;
}

.page-news .news-archive__steps {
  list-style: none;
  counter-reset: arc;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-news .news-archive__steps li {
  position: relative;
  counter-increment: arc;
  padding-left: 42px;
  font-size: 15px;
  line-height: 1.76;
  color: var(--silver);
}

.page-news .news-archive__steps li::before {
  content: counter(arc, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 2px;
  width: 28px;
  height: 22px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(255, 107, 53, 0.4);
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--orange);
}

.page-news .news-archive__steps strong {
  color: var(--white);
  font-weight: 700;
}

.page-news .news-archive__text .btn-row {
  margin-top: 24px;
}

.page-news .news-archive__fig {
  margin: 0;
  border: 2px solid var(--line-soft);
  background: var(--graphite);
}

.page-news .news-archive__fig img {
  display: block;
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-news .news-archive__fig .media__cap {
  display: block;
  padding: 9px 12px;
  border-top: 1px solid var(--line-soft);
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--silver);
  opacity: 0.85;
}

/* ---------- 服务范围收束 ---------- */
.page-news .news-scope {
  padding: clamp(44px, 6vw, 80px) 0 clamp(48px, 6.4vw, 88px);
}

.page-news .news-scope__panel {
  position: relative;
  display: grid;
  gap: clamp(20px, 3vw, 34px);
  grid-template-columns: minmax(0, 1fr);
  padding: clamp(26px, 4vw, 48px);
  border: 2px solid var(--cyan-line);
  background: linear-gradient(135deg, rgba(0, 229, 255, 0.09) 0%, rgba(18, 36, 74, 0.9) 52%, rgba(255, 107, 53, 0.09) 100%);
  box-shadow: var(--shadow-cyan);
}

.page-news .news-scope__panel::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 96px;
  height: 4px;
  background: linear-gradient(90deg, var(--cyan), var(--orange));
}

.page-news .news-scope__copy h2 {
  margin: 12px 0 0;
  font-size: clamp(23px, 3.2vw, 32px);
  line-height: 1.18;
  letter-spacing: -0.02em;
  color: var(--white);
}

.page-news .news-scope__copy .measure {
  margin: 14px 0 0;
  max-width: 62ch;
  color: var(--silver);
  font-size: 15.5px;
  line-height: 1.78;
}

.page-news .news-scope__actions {
  align-self: center;
}

/* ---------- 回到顶部 ---------- */
.page-news .news-totop {
  position: fixed;
  right: clamp(14px, 3vw, 28px);
  bottom: clamp(16px, 3vw, 30px);
  z-index: 30;
  width: 48px;
  height: 48px;
  display: grid;
  place-content: center;
  gap: 1px;
  border: 2px solid var(--cyan-line);
  background: rgba(6, 13, 26, 0.9);
  color: var(--cyan);
  text-align: center;
  text-decoration: none;
  backdrop-filter: blur(6px);
  transition: border-color 0.2s ease, transform 0.2s ease, color 0.2s ease;
}

.page-news .news-totop:hover,
.page-news .news-totop:focus-visible {
  border-color: var(--cyan);
  color: var(--white);
  transform: translateY(-3px);
}

.page-news .news-totop__txt {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  line-height: 1;
}

/* ---------- 动效 ---------- */
@keyframes newsRise {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

/* ---------- 响应式 ---------- */
@media (min-width: 620px) {
  .page-news .news-item {
    grid-template-columns: 46px minmax(0, 1fr);
    gap: 22px;
  }

  .page-news .news-item__no {
    padding-top: 5px;
  }
}

@media (min-width: 780px) {
  .page-news .news-index__head {
    grid-template-columns: minmax(0, 1fr) minmax(0, 320px);
  }

  .page-news .news-series__head {
    grid-template-columns: minmax(0, 380px) minmax(0, 1fr);
  }

  .page-news .news-series__rail {
    grid-auto-flow: row;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    grid-auto-columns: auto;
    overflow-x: visible;
    padding-bottom: 0;
    margin-inline: 0;
    padding-inline: 0;
  }
}

@media (min-width: 880px) {
  .page-news .news-archive__inner {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, 0.94fr);
  }

  .page-news .news-scope__panel {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }

  .page-news .news-scope__actions {
    flex-direction: column;
    align-items: stretch;
  }
}

@media (min-width: 940px) {
  .page-news .news-hero__grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    align-items: center;
  }

  .page-news .news-index__inner {
    grid-template-columns: minmax(0, 210px) minmax(0, 1fr);
  }

  .page-news .news-rail {
    position: sticky;
    top: calc(var(--header-h) + 22px);
  }
}

@media (max-width: 479px) {
  .page-news .news-hero__facts {
    flex-direction: column;
    gap: 10px;
  }

  .page-news .news-totop {
    width: 44px;
    height: 44px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-hero__text,
  .page-news .news-hero__figure {
    animation: none;
  }

  .page-news .news-item::after,
  .page-news .series-card,
  .page-news .news-rail__tab,
  .page-news .news-totop {
    transition: none;
  }
}