.page-news {
  --news-gap: clamp(1.6rem, 3.2vw, 2.8rem);
  --news-tint-copper: rgba(192, 138, 62, 0.18);
  --news-tint-mint: rgba(20, 198, 168, 0.2);
  --news-tint-blue: rgba(47, 107, 255, 0.14);
  --news-text-copper: #6E4A12;
  --news-text-mint: #0A6252;
  --news-text-blue: #1B47B8;
}

/* ---------- 面包屑 ---------- */
.page-news .breadcrumb {
  padding-top: 1.4rem;
  padding-bottom: 0.4rem;
}

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  background: var(--ink-deep);
  padding: clamp(2.4rem, 6vw, 4.6rem) 0 clamp(2.6rem, 6vw, 4.4rem);
}

.page-news .news-hero__img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 62% 50%;
}

.page-news .news-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(158deg, rgba(7, 26, 21, 0.94) 0%, rgba(14, 42, 34, 0.76) 52%, rgba(7, 26, 21, 0.92) 100%);
}

.page-news .news-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-areas: "copy" "index";
  gap: var(--news-gap);
}

.page-news .news-hero__copy {
  grid-area: copy;
  display: grid;
  gap: 0.9rem;
  justify-items: start;
}

.page-news .news-hero__eyebrow {
  margin: 0;
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  color: var(--copper-hi);
}

.page-news .news-hero h1 {
  margin: 0;
  max-width: 17ch;
  font-size: clamp(1.9rem, 5vw, 3.4rem);
  font-weight: 900;
  line-height: 1.14;
  letter-spacing: -0.02em;
  color: var(--canvas);
}

.page-news .news-hero__lede {
  margin: 0;
  max-width: 44ch;
  font-size: clamp(0.95rem, 1.6vw, 1.05rem);
  line-height: 1.85;
  color: rgba(244, 242, 236, 0.78);
}

.page-news .news-hero .btn {
  margin-top: 0.5rem;
}

.page-news .news-hero__index {
  grid-area: index;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  padding-left: 1rem;
  border-left: 2px solid var(--copper);
}

.page-news .news-hero__issue {
  font-family: var(--mono);
  font-size: clamp(1.9rem, 6vw, 2.9rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0.04em;
  color: var(--copper-hi);
}

.page-news .news-hero__season {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: rgba(244, 242, 236, 0.62);
}

.page-news .news-hero__rule {
  display: block;
  width: 42px;
  height: 2px;
  margin: 0.25rem 0;
  border-radius: 2px;
  background: var(--copper);
}

.page-news .news-hero__cols {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 1.1rem;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--mono);
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  color: rgba(244, 242, 236, 0.66);
}

@media (min-width: 880px) {
  .page-news .news-hero__grid {
    grid-template-columns: minmax(170px, 22%) minmax(0, 1fr);
    grid-template-areas: "index copy";
    gap: clamp(2rem, 5vw, 4.4rem);
    align-items: end;
  }
}

/* ---------- 通用小元素 ---------- */
.page-news .news-meta {
  font-family: var(--mono);
  font-size: 0.74rem;
  letter-spacing: 0.1em;
  color: var(--muted);
}

.page-news .news-tag {
  display: inline-flex;
  align-items: center;
  padding: 0.26rem 0.72rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  white-space: nowrap;
}

.page-news .news-tag--version {
  background: var(--news-tint-copper);
  color: var(--news-text-copper);
}

.page-news .news-tag--network {
  background: var(--news-tint-mint);
  color: var(--news-text-mint);
}

.page-news .news-tag--guide {
  background: var(--news-tint-blue);
  color: var(--news-text-blue);
}

.page-news .news-copy {
  margin: 0 0 1.1rem;
  max-width: 62ch;
  line-height: 1.85;
  color: var(--graphite);
}

.page-news .section-head__eyebrow {
  margin: 0 0 0.55rem;
  font-family: var(--mono);
  font-size: 0.76rem;
  letter-spacing: 0.16em;
  color: var(--copper);
}

.page-news .section-head__title {
  font-size: clamp(1.5rem, 3.4vw, 2.4rem);
  font-weight: 900;
  line-height: 1.24;
  letter-spacing: -0.02em;
  margin-bottom: 0.7rem;
}

.page-news .section-head__lede {
  max-width: 58ch;
  line-height: 1.85;
}

/* ---------- 本期要目 ---------- */
.page-news .news-lead__list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line-soft);
}

.page-news .news-lead__item {
  display: grid;
  gap: 0.6rem;
  padding: clamp(1.2rem, 3vw, 1.9rem) 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-news .news-lead__tags {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
}

.page-news .news-lead__title {
  margin: 0;
  font-size: clamp(1.08rem, 2vw, 1.34rem);
  font-weight: 700;
  line-height: 1.5;
}

.page-news .news-lead__title a {
  color: var(--graphite);
  text-decoration: none;
  background-image: linear-gradient(var(--copper), var(--copper));
  background-repeat: no-repeat;
  background-size: 0 2px;
  background-position: 0 100%;
  transition: background-size 220ms var(--ease), color 180ms var(--ease);
}

.page-news .news-lead__title a:hover {
  color: var(--ink);
  background-size: 100% 2px;
}

.page-news .news-lead__text {
  margin: 0;
  max-width: 64ch;
  line-height: 1.85;
  color: var(--muted);
}

.page-news .news-lead__item--lead .news-lead__title {
  font-size: clamp(1.45rem, 3.4vw, 2.25rem);
  line-height: 1.3;
  max-width: 22ch;
}

.page-news .news-lead__item--lead .news-lead__text {
  font-size: 1.02rem;
  color: var(--graphite);
}

/* ---------- 筛选与条目 ---------- */
.page-news .news-filter {
  position: relative;
}

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

.page-news .news-filter__tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.6rem;
}

.page-news .news-filter__tab {
  cursor: pointer;
  padding: 0.5rem 1.05rem;
  border-radius: 999px;
  border: 1px solid var(--line-soft);
  font-size: 0.86rem;
  font-weight: 600;
  color: var(--muted);
  transition: color 180ms var(--ease), border-color 180ms var(--ease), background-color 180ms var(--ease);
}

.page-news .news-filter__tab:hover {
  border-color: var(--copper);
  color: var(--ink);
}

.page-news #newscol-all:checked ~ .news-filter__tabs label[for="newscol-all"],
.page-news #newscol-version:checked ~ .news-filter__tabs label[for="newscol-version"],
.page-news #newscol-network:checked ~ .news-filter__tabs label[for="newscol-network"],
.page-news #newscol-guide:checked ~ .news-filter__tabs label[for="newscol-guide"] {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--canvas);
}

.page-news #newscol-all:focus-visible ~ .news-filter__tabs label[for="newscol-all"],
.page-news #newscol-version:focus-visible ~ .news-filter__tabs label[for="newscol-version"],
.page-news #newscol-network:focus-visible ~ .news-filter__tabs label[for="newscol-network"],
.page-news #newscol-guide:focus-visible ~ .news-filter__tabs label[for="newscol-guide"] {
  outline: 2px solid var(--blue);
  outline-offset: 2px;
}

.page-news #newscol-version:checked ~ .news-list .news-item:not([data-col="version"]),
.page-news #newscol-network:checked ~ .news-list .news-item:not([data-col="network"]),
.page-news #newscol-guide:checked ~ .news-list .news-item:not([data-col="guide"]) {
  display: none;
}

.page-news .news-list {
  display: grid;
  gap: 0.9rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

@media (min-width: 940px) {
  .page-news .news-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem 1.5rem;
  }
}

.page-news .news-item {
  position: relative;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 0.9rem;
  padding: 1.1rem 1.2rem 1.1rem 1.45rem;
  border-radius: var(--r-md);
  background: var(--canvas);
  border: 1px solid var(--line-soft);
  transition: border-color 220ms var(--ease), transform 220ms var(--ease), box-shadow 220ms var(--ease);
}

.page-news .news-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 1.05rem;
  bottom: 1.05rem;
  width: 2px;
  border-radius: 2px;
  background: var(--copper);
  opacity: 0;
  transform: scaleY(0.35);
  transition: opacity 220ms var(--ease), transform 220ms var(--ease);
}

.page-news .news-item:hover,
.page-news .news-item:focus-within {
  border-color: rgba(192, 138, 62, 0.5);
  transform: translateY(-3px);
  box-shadow: var(--shadow-soft);
}

.page-news .news-item:hover::before,
.page-news .news-item:focus-within::before {
  opacity: 1;
  transform: scaleY(1);
}

.page-news .news-item__num {
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  color: var(--copper);
  padding-top: 0.28rem;
  white-space: nowrap;
}

.page-news .news-item__body {
  display: grid;
  gap: 0.5rem;
}

.page-news .news-item__title {
  margin: 0;
  font-size: 1.02rem;
  font-weight: 700;
  line-height: 1.55;
  color: var(--graphite);
}

.page-news .news-item__text {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- 版本时间线 ---------- */
.page-news .news-version__figure {
  margin: 0 0 clamp(2rem, 4vw, 3rem);
}

.page-news .news-track {
  margin-top: 0.6rem;
}

.page-news .news-track__svg {
  display: block;
  width: 100%;
  height: auto;
}

.page-news .news-track__line {
  stroke: var(--copper);
  stroke-width: 2;
  stroke-linecap: round;
}

.page-news .news-track__line--pending {
  stroke-dasharray: 6 9;
  opacity: 0.55;
}

.page-news .news-track__node {
  fill: var(--canvas);
  stroke: var(--copper);
  stroke-width: 4;
}

.page-news .news-track__node--beta {
  fill: var(--copper);
  stroke: var(--copper-hi);
  stroke-width: 6;
}

.page-news .news-track__labels {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.2rem 0.9rem;
  margin: 1.2rem 0 0;
  padding: 0;
  list-style: none;
}

@media (min-width: 760px) {
  .page-news .news-track__labels {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

.page-news .news-track__label {
  display: grid;
  gap: 0.35rem;
  text-align: center;
}

.page-news .news-track__ver {
  font-family: var(--mono);
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--ink);
}

.page-news .news-track__note {
  font-size: 0.83rem;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 服务网络 ---------- */
.page-news .news-network .split__main {
  display: flex;
  flex-direction: column;
}

.page-news .news-readouts {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 1.2rem;
  margin: 0.4rem 0 1.6rem;
  padding: 1.2rem 0;
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
}

.page-news .news-readouts .readout {
  display: grid;
  gap: 0.35rem;
}

.page-news .news-readouts .readout__value {
  font-family: var(--mono);
  font-size: clamp(2.1rem, 4.4vw, 3.1rem);
  font-weight: 700;
  line-height: 1;
  color: var(--copper);
}

.page-news .news-readouts .readout__label {
  font-size: 0.82rem;
  line-height: 1.65;
  color: var(--muted);
}

.page-news .news-network .split__side .media-frame {
  margin: 0;
}

/* ---------- 上门准备 ---------- */
.page-news .news-prep .section-head__eyebrow {
  color: var(--copper-hi);
}

.page-news .news-prep .section-head__title {
  color: var(--canvas);
}

.page-news .news-prep .section-head__lede {
  color: rgba(244, 242, 236, 0.74);
}

.page-news .news-prep__grid {
  display: grid;
  gap: var(--news-gap);
}

@media (min-width: 920px) {
  .page-news .news-prep__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 36%);
    align-items: start;
  }
}

.page-news .news-season {
  display: grid;
  gap: 1rem;
}

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

.page-news .news-season__item {
  padding: 1.15rem 1.25rem;
  border-radius: var(--r-md);
  background: rgba(244, 242, 236, 0.06);
  border: 1px solid var(--line-ink);
}

.page-news .news-season__tag {
  display: inline-block;
  width: 1.9rem;
  height: 1.9rem;
  line-height: 1.9rem;
  text-align: center;
  border-radius: 999px;
  font-size: 0.86rem;
  font-weight: 700;
  color: var(--ink-deep);
  background: var(--copper-hi);
}

.page-news .news-season__item h3 {
  margin: 0.75rem 0 0.45rem;
  font-size: 1.02rem;
  font-weight: 700;
  line-height: 1.5;
  color: var(--canvas);
}

.page-news .news-season__item p {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.8;
  color: rgba(244, 242, 236, 0.72);
}

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

/* ---------- 往期归档 ---------- */
.page-news .news-archive__grid {
  display: grid;
  gap: 0;
}

@media (min-width: 900px) {
  .page-news .news-archive__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0 2.2rem;
  }
}

.page-news .news-archive__group {
  padding: 1.1rem 0;
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
}

@media (min-width: 900px) {
  .page-news .news-archive__group {
    border-bottom: none;
  }
}

.page-news .news-archive__summary {
  display: flex;
  align-items: baseline;
  gap: 0.9rem;
  cursor: pointer;
  list-style: none;
  font-weight: 700;
  color: var(--graphite);
}

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

.page-news .news-archive__summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--mono);
  font-size: 1.15rem;
  color: var(--copper);
  transition: transform 200ms var(--ease);
}

.page-news .news-archive__group[open] .news-archive__summary::after {
  content: "–";
}

.page-news .news-archive__label {
  font-size: 1rem;
}

.page-news .news-archive__meta {
  font-family: var(--mono);
  font-size: 0.74rem;
  letter-spacing: 0.08em;
  font-weight: 400;
  color: var(--muted);
}

.page-news .news-archive__list {
  display: grid;
  gap: 0.55rem;
  margin: 1rem 0 0.4rem;
  padding: 0;
  list-style: none;
}

.page-news .news-archive__row {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 0.7rem;
  align-items: baseline;
}

.page-news .news-archive__num {
  font-family: var(--mono);
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  color: var(--copper);
}

.page-news .news-archive__link {
  font-size: 0.92rem;
  line-height: 1.7;
  color: var(--graphite);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 180ms var(--ease), border-color 180ms var(--ease);
}

.page-news .news-archive__link:hover {
  color: var(--blue);
  border-bottom-color: var(--blue);
}

.page-news .news-archive__foot {
  display: grid;
  gap: 1.2rem;
  margin-top: clamp(1.8rem, 4vw, 2.8rem);
  padding-top: 1.6rem;
  border-top: 1px solid var(--line-soft);
}

.page-news .news-archive__foot p {
  margin: 0;
  max-width: 60ch;
  line-height: 1.85;
  color: var(--muted);
}

.page-news .news-archive__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
}

@media (min-width: 760px) {
  .page-news .news-archive__foot {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-item,
  .page-news .news-item::before,
  .page-news .news-lead__title a,
  .page-news .news-archive__link,
  .page-news .news-filter__tab {
    transition: none;
  }

  .page-news .news-item:hover,
  .page-news .news-item:focus-within {
    transform: none;
    box-shadow: none;
  }
}