.page-news {
  --news-hair: rgba(13, 21, 38, .16);
  --news-card-pad: clamp(18px, 2.4vw, 26px);
}

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

/* ---------- 页首 ---------- */
.page-news .news-top {
  position: relative;
  background: var(--night);
  color: var(--white);
  padding: clamp(26px, 4vw, 46px) 0 clamp(44px, 7vw, 88px);
  border-bottom: var(--bw) solid var(--lime);
  overflow: hidden;
}

.page-news .news-top::before {
  content: "";
  position: absolute;
  top: -22%;
  right: -14%;
  width: min(560px, 74vw);
  height: min(560px, 74vw);
  background: repeating-linear-gradient(-38deg, rgba(53, 240, 162, .09) 0 2px, transparent 2px 22px);
  transform: rotate(6deg);
  pointer-events: none;
}

.page-news .news-top .wrap {
  position: relative;
  z-index: 1;
}

.page-news .breadcrumb {
  margin-bottom: clamp(26px, 5vw, 52px);
}

.page-news .breadcrumb a {
  color: var(--gray);
  text-decoration: none;
}

.page-news .breadcrumb a:hover,
.page-news .breadcrumb a:focus-visible {
  color: var(--lime);
}

.page-news .breadcrumb li:last-child {
  color: var(--white);
}

.page-news .news-top__inner {
  display: grid;
  gap: clamp(12px, 2vw, 20px);
  max-width: 880px;
}

.page-news .news-top__kicker {
  margin: 0;
  font-family: var(--font-cond);
  font-size: var(--fs-14);
  font-weight: 700;
  letter-spacing: .18em;
  color: var(--lime);
}

.page-news .news-top__title {
  margin: 0;
  font-family: var(--font-serif);
  font-weight: 800;
  font-size: clamp(40px, 9vw, 76px);
  line-height: 1.04;
  letter-spacing: -.01em;
  color: var(--white);
}

.page-news .news-top__lead {
  margin: 0;
  max-width: 62ch;
  font-size: var(--fs-16);
  line-height: 1.8;
  color: var(--paper);
}

.page-news .news-top__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 6px 0 0;
  font-family: var(--font-cond);
  font-size: var(--fs-14);
  letter-spacing: .06em;
  color: var(--gray);
}

.page-news .news-top__dot {
  width: 5px;
  height: 5px;
  background: var(--orange);
  transform: rotate(45deg);
  flex: 0 0 auto;
}

/* ---------- 置顶观察 ---------- */
.page-news .news-feature {
  background: var(--night);
  color: var(--white);
  padding: clamp(36px, 6vw, 64px) 0 var(--section-y);
}

.page-news .news-feature__card {
  display: grid;
  gap: clamp(22px, 4vw, 44px);
}

@media (min-width: 900px) {
  .page-news .news-feature__card {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    align-items: start;
  }
}

.page-news .news-feature__media {
  margin: 0;
  border: var(--bw) solid var(--lime);
  box-shadow: 12px 12px 0 rgba(53, 240, 162, .18);
  background: var(--indigo);
}

.page-news .news-feature__flag {
  display: inline-block;
  margin: 0 0 14px;
  padding: 4px 12px;
  background: var(--orange);
  color: var(--ink);
  font-family: var(--font-cond);
  font-size: var(--fs-12);
  font-weight: 700;
  letter-spacing: .16em;
}

.page-news .news-feature__title {
  margin: 0 0 14px;
  font-family: var(--font-serif);
  font-weight: 800;
  font-size: clamp(26px, 4.4vw, 40px);
  line-height: 1.14;
  color: var(--white);
}

.page-news .news-feature__text {
  margin: 0 0 20px;
  font-size: var(--fs-16);
  line-height: 1.8;
  color: var(--paper);
}

.page-news .news-feature__points {
  margin: 0 0 26px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.page-news .news-feature__points li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 12px;
  padding-bottom: 10px;
  border-bottom: 1px dashed rgba(143, 163, 184, .3);
  font-size: var(--fs-14);
  line-height: 1.75;
  color: var(--gray);
}

.page-news .news-feature__points .num {
  color: var(--lime);
  font-weight: 700;
}

/* ---------- 四条内容线 ---------- */
.page-news .news-lines {
  background: var(--mist);
  color: var(--ink);
  padding: var(--section-y) 0;
}

.page-news .news-lines__kicker {
  margin: 0 0 10px;
  font-family: var(--font-cond);
  font-size: var(--fs-14);
  font-weight: 700;
  letter-spacing: .18em;
  color: var(--violet);
}

.page-news .news-lines__title {
  margin: 0 0 14px;
  font-family: var(--font-serif);
  font-weight: 800;
  font-size: clamp(28px, 5vw, 44px);
  line-height: 1.12;
  color: var(--ink);
}

.page-news .news-lines__lead {
  margin: 0 0 clamp(28px, 4vw, 48px);
  max-width: 56ch;
  font-size: var(--fs-16);
  line-height: 1.8;
  color: var(--indigo);
}

.page-news .news-lines__grid {
  display: grid;
  gap: clamp(14px, 2.4vw, 22px);
}

@media (min-width: 640px) {
  .page-news .news-lines__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1080px) {
  .page-news .news-lines__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

.page-news .line-card {
  position: relative;
  display: grid;
  gap: 10px;
  align-content: start;
  padding: clamp(20px, 2.4vw, 26px);
  background: var(--white);
  border: 2px solid var(--ink);
  box-shadow: var(--shadow-hard-sm);
}

.page-news .line-card::before {
  content: "";
  position: absolute;
  top: -2px;
  left: -2px;
  right: -2px;
  height: 5px;
  background: var(--lime);
}

.page-news .line-card--data::before { background: var(--cyan); }
.page-news .line-card--version::before { background: var(--violet); }
.page-news .line-card--report::before { background: var(--orange); }

.page-news .line-card__tag {
  margin: 8px 0 0;
  font-family: var(--font-cond);
  font-size: var(--fs-12);
  font-weight: 700;
  letter-spacing: .14em;
  color: var(--indigo);
}

.page-news .line-card__title {
  margin: 0;
  font-family: var(--font-cond);
  font-weight: 700;
  font-size: var(--fs-20);
  line-height: 1.3;
  color: var(--ink);
}

.page-news .line-card__text {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.78;
  color: var(--indigo);
}

/* ---------- 最近更新 ---------- */
.page-news .news-board {
  background: var(--white);
  border-top: 2px solid var(--paper);
  color: var(--ink);
  padding: clamp(52px, 7vw, 96px) 0 var(--section-y);
}

.page-news .news-board__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px 18px;
  margin-bottom: clamp(20px, 3vw, 30px);
}

.page-news .news-board__title {
  margin: 0;
  font-family: var(--font-serif);
  font-weight: 800;
  font-size: clamp(26px, 4.4vw, 40px);
  line-height: 1.1;
  color: var(--ink);
}

.page-news .news-board__sub {
  margin: 0;
  font-family: var(--font-cond);
  font-size: var(--fs-14);
  letter-spacing: .06em;
  color: var(--indigo);
}

.page-news .news-filter {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding: 12px 0;
  margin-bottom: clamp(22px, 3.5vw, 36px);
  border-top: 2px solid var(--ink);
  border-bottom: 2px solid var(--ink);
  -webkit-overflow-scrolling: touch;
}

.page-news .news-filter__btn {
  flex: 0 0 auto;
  padding: 7px 15px;
  border: 2px solid var(--ink);
  background: transparent;
  color: var(--ink);
  font-family: var(--font-cond);
  font-size: var(--fs-14);
  font-weight: 700;
  letter-spacing: .06em;
  cursor: pointer;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-news .news-filter__btn:hover {
  transform: translateY(-2px);
}

.page-news .news-filter__btn:focus-visible {
  outline: 2px solid var(--violet);
  outline-offset: 2px;
}

.page-news .news-filter__btn[data-active="true"] {
  background: var(--ink);
  color: var(--lime);
}

.page-news .news-list {
  display: grid;
  gap: clamp(14px, 2.4vw, 24px);
}

@media (min-width: 720px) {
  .page-news .news-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.page-news .news-item {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: var(--news-card-pad);
  background: var(--mist);
  border: 2px solid var(--ink);
  box-shadow: var(--shadow-hard-sm);
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-news .news-item:hover {
  transform: translate(-2px, -2px);
  box-shadow: 8px 8px 0 var(--ink);
}

.page-news .news-item__seq {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: .12em;
  color: var(--indigo);
}

.page-news .news-item__seq::after {
  content: "";
  flex: 1 1 auto;
  height: 1px;
  background: var(--news-hair);
}

.page-news .news-item__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 14px;
  margin: 0;
}

.page-news .news-item__tag {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-family: var(--font-cond);
  font-size: var(--fs-12);
  font-weight: 700;
  letter-spacing: .14em;
  color: var(--ink);
}

.page-news .news-item__tag::before {
  content: "";
  width: 9px;
  height: 9px;
  background: var(--lime);
  transform: rotate(45deg);
  flex: 0 0 auto;
}

.page-news .news-item__tag--data::before { background: var(--cyan); }
.page-news .news-item__tag--version::before { background: var(--violet); }
.page-news .news-item__tag--report::before { background: var(--orange); }

.page-news .news-item__when {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  color: var(--indigo);
  opacity: .85;
}

.page-news .news-item__figure {
  margin: 0 0 4px;
  border: 2px solid var(--ink);
  background: var(--paper);
}

.page-news .news-item__title {
  margin: 0;
  font-family: var(--font-cond);
  font-weight: 700;
  font-size: clamp(18px, 2.4vw, 22px);
  line-height: 1.32;
  letter-spacing: .01em;
  color: var(--ink);
}

.page-news .news-item__lead {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.78;
  color: var(--indigo);
}

.page-news .news-item__more {
  border-top: 1px dashed var(--news-hair);
  padding-top: 10px;
}

.page-news .news-item__more summary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  list-style: none;
  cursor: pointer;
  font-family: var(--font-cond);
  font-size: var(--fs-12);
  font-weight: 700;
  letter-spacing: .12em;
  color: var(--violet);
}

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

.page-news .news-item__more summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-weight: 700;
}

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

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

.page-news .news-item__more p {
  margin: 10px 0 0;
  font-size: var(--fs-14);
  line-height: 1.78;
  color: var(--indigo);
}

/* ---------- 专题系列 ---------- */
.page-news .series {
  position: relative;
  background: var(--night);
  color: var(--white);
  padding: var(--section-y) 0;
  overflow: hidden;
}

.page-news .series::after {
  content: "";
  position: absolute;
  right: -10%;
  bottom: -32%;
  width: min(480px, 82vw);
  height: min(480px, 82vw);
  background: repeating-linear-gradient(38deg, rgba(36, 214, 232, .11) 0 2px, transparent 2px 24px);
  pointer-events: none;
}

.page-news .series > .wrap {
  position: relative;
  z-index: 1;
}

.page-news .series__kicker {
  margin: 0 0 10px;
  font-family: var(--font-cond);
  font-size: var(--fs-14);
  font-weight: 700;
  letter-spacing: .18em;
  color: var(--cyan);
}

.page-news .series__title {
  margin: 0 0 14px;
  font-family: var(--font-serif);
  font-weight: 800;
  font-size: clamp(26px, 4.6vw, 42px);
  line-height: 1.12;
  color: var(--white);
}

.page-news .series__lead {
  margin: 0 0 clamp(26px, 4vw, 40px);
  max-width: 58ch;
  font-size: var(--fs-16);
  line-height: 1.8;
  color: var(--paper);
}

.page-news .series__track {
  display: flex;
  gap: 6px;
  margin: 0 0 clamp(22px, 3vw, 32px);
  padding: 0 0 10px;
  list-style: none;
  overflow-x: auto;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
}

.page-news .series__node {
  flex: 0 0 auto;
  min-width: 100px;
  padding: 16px 14px 12px;
  border-top: 3px solid var(--indigo);
  display: grid;
  gap: 6px;
  scroll-snap-align: start;
}

.page-news .series__node--done {
  border-top-color: var(--lime);
}

.page-news .series__node--now {
  border-top-color: var(--orange);
}

.page-news .series__node .num {
  font-family: var(--font-mono);
  font-size: var(--fs-16);
  font-weight: 700;
  color: var(--white);
}

.page-news .series__node--now .num {
  color: var(--orange);
}

.page-news .series__node-name {
  font-family: var(--font-cond);
  font-size: var(--fs-12);
  letter-spacing: .1em;
  color: var(--gray);
}

.page-news .series__foot {
  margin: 0 0 22px;
  max-width: 54ch;
  font-size: var(--fs-16);
  line-height: 1.8;
  color: var(--gray);
}

/* ---------- 回访入口 ---------- */
.page-news .revisit {
  background: var(--mist);
  color: var(--ink);
  padding: var(--section-y) 0;
}

.page-news .revisit__title {
  margin: 0 0 12px;
  font-family: var(--font-serif);
  font-weight: 800;
  font-size: clamp(26px, 4.6vw, 42px);
  line-height: 1.12;
  color: var(--ink);
}

.page-news .revisit__lead {
  margin: 0 0 clamp(26px, 4vw, 40px);
  max-width: 52ch;
  font-size: var(--fs-16);
  line-height: 1.8;
  color: var(--indigo);
}

.page-news .revisit__grid {
  display: grid;
  gap: clamp(14px, 2.2vw, 20px);
}

@media (min-width: 640px) {
  .page-news .revisit__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1080px) {
  .page-news .revisit__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

.page-news .revisit__card {
  display: grid;
  gap: 10px;
  align-content: start;
  padding: clamp(18px, 2.2vw, 24px);
  background: var(--white);
  border: 2px solid var(--ink);
  box-shadow: var(--shadow-hard-sm);
  color: var(--ink);
  text-decoration: none;
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease), background var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-news .revisit__card:hover,
.page-news .revisit__card:focus-visible {
  transform: translate(-3px, -3px);
  box-shadow: 9px 9px 0 var(--ink);
  background: var(--night);
  color: var(--white);
}

.page-news .revisit__card:focus-visible {
  outline: 2px solid var(--violet);
  outline-offset: 3px;
}

.page-news .revisit__num {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: .12em;
  color: var(--violet);
}

.page-news .revisit__name {
  margin: 0;
  font-family: var(--font-cond);
  font-weight: 700;
  font-size: var(--fs-20);
  line-height: 1.3;
  color: inherit;
}

.page-news .revisit__desc {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.75;
  color: var(--indigo);
}

.page-news .revisit__card:hover .revisit__desc,
.page-news .revisit__card:focus-visible .revisit__desc {
  color: var(--paper);
}

.page-news .revisit__go {
  font-family: var(--font-cond);
  font-size: var(--fs-12);
  font-weight: 700;
  letter-spacing: .12em;
  color: var(--violet);
}

.page-news .revisit__card:hover .revisit__go,
.page-news .revisit__card:focus-visible .revisit__go {
  color: var(--lime);
}

/* ---------- 窄屏收口 ---------- */
@media (max-width: 560px) {
  .page-news .news-top::before {
    top: -12%;
    right: -30%;
  }

  .page-news .news-feature__media {
    box-shadow: 8px 8px 0 rgba(53, 240, 162, .18);
  }

  .page-news .series__node {
    min-width: 88px;
    padding: 14px 10px 10px;
  }

  .page-news .news-filter__btn {
    padding: 6px 12px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-item,
  .page-news .news-filter__btn,
  .page-news .revisit__card {
    transition: none;
  }

  .page-news .news-item:hover,
  .page-news .news-filter__btn:hover,
  .page-news .revisit__card:hover,
  .page-news .revisit__card:focus-visible {
    transform: none;
  }
}