.page-news {
  --news-edge: rgba(16, 24, 32, 0.13);
  --news-soft: rgba(16, 24, 32, 0.62);
  --news-line-light: rgba(252, 250, 245, 0.2);
  background: var(--sand);
  color: var(--ink);
  font-family: var(--font-body);
  line-height: 1.75;
  overflow-x: hidden;
}

/* ===== 首屏框景 ===== */
.page-news .news-hero {
  position: relative;
  padding: calc(var(--header-h) + clamp(24px, 5vw, 52px)) 0 clamp(44px, 7vw, 84px);
  background:
    radial-gradient(115% 85% at 92% 0%, rgba(121, 199, 178, 0.16), transparent 62%),
    radial-gradient(90% 80% at 2% 100%, rgba(216, 166, 74, 0.15), transparent 58%),
    var(--deep);
  color: var(--paper);
  overflow: hidden;
}

.page-news .news-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(112deg, transparent 0 82px, rgba(252, 250, 245, 0.055) 82px 83px);
  pointer-events: none;
}

.page-news .news-hero__crumbs {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  margin: 0 0 clamp(16px, 3vw, 28px);
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.04em;
  color: rgba(252, 250, 245, 0.6);
}

.page-news .news-hero__crumbs .breadcrumb-link {
  color: rgba(252, 250, 245, 0.82);
  text-decoration: none;
  border-bottom: 1px solid rgba(216, 166, 74, 0.5);
}

.page-news .news-hero__crumbs .breadcrumb-link:hover {
  color: var(--gold);
}

.page-news .news-hero__crumbs .breadcrumb-item + .breadcrumb-item::before {
  content: "/";
  margin-right: 8px;
  color: rgba(252, 250, 245, 0.35);
}

.page-news .news-hero__frame {
  position: relative;
  z-index: 1;
  padding: clamp(22px, 4vw, 44px);
  border: 1px solid var(--news-line-light);
  border-radius: var(--radius) var(--r-cut) var(--radius) var(--r-cut);
  background: linear-gradient(158deg, rgba(252, 250, 245, 0.09), rgba(252, 250, 245, 0.02));
}

.page-news .news-hero__frame::before {
  content: "";
  position: absolute;
  top: -1px;
  left: clamp(22px, 4vw, 44px);
  right: clamp(22px, 4vw, 44px);
  height: 8px;
  background-image: repeating-linear-gradient(90deg, var(--gold) 0 2px, transparent 2px 16px);
  opacity: 0.9;
}

.page-news .news-hero__eyebrow {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  color: var(--gold);
}

.page-news .news-hero__title {
  margin: 0.5em 0 0.35em;
  max-width: 780px;
  font-family: var(--font-head);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.08;
  font-size: clamp(1.95rem, 5.4vw, 3.5rem);
  color: var(--paper);
}

.page-news .news-hero__lede {
  max-width: 640px;
  margin: 0;
  font-size: clamp(1rem, 2.2vw, 1.125rem);
  color: rgba(252, 250, 245, 0.82);
}

.page-news .news-hero__stats {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(auto-fit, minmax(148px, 1fr));
  margin-top: clamp(22px, 4vw, 34px);
  padding-top: clamp(16px, 3vw, 24px);
  border-top: 1px solid var(--news-line-light);
}

.page-news .news-hero__stat {
  padding-left: 12px;
  border-left: 2px solid var(--gold);
}

.page-news .news-hero__stat b {
  display: block;
  font-family: var(--font-head);
  font-size: 1.4rem;
  font-weight: 800;
  line-height: 1.2;
  color: var(--paper);
}

.page-news .news-hero__stat span {
  display: block;
  margin-top: 2px;
  font-size: 0.8125rem;
  color: rgba(252, 250, 245, 0.62);
}

/* ===== 主体双栏 ===== */
.page-news .news-body {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
  padding: clamp(32px, 6vw, 64px) 0 clamp(56px, 8vw, 90px);
}

@media (min-width: 980px) {
  .page-news .news-body {
    grid-template-columns: 216px minmax(0, 1fr);
    align-items: start;
  }
}

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

.page-news .news-nav {
  padding: 14px clamp(14px, 2vw, 18px);
  border: 1px solid var(--news-edge);
  border-radius: var(--r-cut) var(--radius) var(--r-cut) var(--radius);
  background: var(--paper);
}

.page-news .news-nav__list {
  display: flex;
  gap: 6px;
  margin: 10px 0 0;
  padding: 0 0 4px;
  overflow-x: auto;
  list-style: none;
  scrollbar-width: thin;
}

@media (min-width: 980px) {
  .page-news .news-nav {
    position: sticky;
    top: calc(var(--header-h) + 20px);
  }

  .page-news .news-nav__list {
    display: block;
    overflow: visible;
  }
}

.page-news .news-nav__link {
  display: block;
  padding: 6px 12px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-size: 0.875rem;
  color: var(--ink-soft);
  text-decoration: none;
  white-space: nowrap;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-news .news-nav__link:hover,
.page-news .news-nav__link[data-active="true"] {
  color: var(--deep);
  border-color: var(--gold);
  background: rgba(216, 166, 74, 0.14);
}

@media (min-width: 980px) {
  .page-news .news-nav__link {
    padding: 8px 10px;
    border-radius: 6px;
    white-space: normal;
  }
}

/* ===== 章节骨架 ===== */
.page-news .news-block {
  padding: clamp(30px, 5vw, 54px) 0;
  border-top: 1px solid var(--news-edge);
}

.page-news .news-block:first-child {
  padding-top: 0;
  border-top: 0;
}

.page-news .news-block__head {
  max-width: 660px;
  margin-bottom: clamp(18px, 3vw, 28px);
}

.page-news .news-block__kick {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  color: var(--wine);
}

.page-news .news-block__title {
  margin: 6px 0 10px;
  font-family: var(--font-head);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.2;
  font-size: clamp(1.5rem, 3.2vw, 2.1rem);
}

.page-news .news-block__lede {
  margin: 0;
  font-size: 1rem;
  color: var(--ink-soft);
}

/* ===== 时间线 ===== */
.page-news .news-timeline__figure {
  margin: 0 0 clamp(22px, 3.5vw, 32px);
}

.page-news .news-timeline__figure .media-img,
.page-news .news-archive__figure .media-img,
.page-news .news-brief__figure .media-img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}

.page-news .news-timeline {
  position: relative;
  margin: 0;
  padding: 0 0 0 28px;
  list-style: none;
}

.page-news .news-timeline::before {
  content: "";
  position: absolute;
  top: 8px;
  bottom: 8px;
  left: 7px;
  width: 2px;
  background: linear-gradient(180deg, var(--gold), rgba(216, 166, 74, 0.12));
}

.page-news .news-timeline__item {
  position: relative;
  padding-bottom: 24px;
}

.page-news .news-timeline__item:last-child {
  padding-bottom: 0;
}

.page-news .news-timeline__item::before {
  content: "";
  position: absolute;
  top: 7px;
  left: -27px;
  box-sizing: border-box;
  width: 14px;
  height: 14px;
  border: 2px solid var(--gold);
  border-radius: 50%;
  background: var(--paper);
}

.page-news .news-timeline__head {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  margin-bottom: 4px;
}

.page-news .news-timeline__when {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--ink-mute);
}

.page-news .news-timeline__code {
  padding: 1px 6px;
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--deep);
  background: rgba(216, 166, 74, 0.2);
}

.page-news .news-timeline__title {
  margin: 4px 0 4px;
  font-family: var(--font-head);
  font-size: 1.0625rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.5;
}

.page-news .news-timeline__text {
  margin: 0;
  font-size: 0.9375rem;
  color: var(--ink-soft);
}

/* ===== 规则档案 ===== */
.page-news .news-archive {
  display: grid;
  gap: clamp(18px, 3vw, 28px);
}

@media (min-width: 880px) {
  .page-news .news-archive {
    grid-template-columns: minmax(0, 240px) minmax(0, 1fr);
    align-items: start;
  }
}

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

.page-news .news-doc {
  border-left: 6px solid var(--wine);
  border-radius: 0 var(--radius) var(--r-cut) 0;
  background: var(--paper);
  box-shadow: 0 1px 0 var(--news-edge), 0 22px 44px -36px rgba(11, 42, 74, 0.65);
  overflow: hidden;
}

.page-news .news-doc__head {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  justify-content: space-between;
  padding: clamp(16px, 3vw, 24px) clamp(18px, 3vw, 28px);
  border-bottom: 1px solid var(--news-edge);
  background: linear-gradient(90deg, rgba(122, 46, 58, 0.12), rgba(122, 46, 58, 0));
}

.page-news .news-doc__title {
  margin: 0;
  font-family: var(--font-head);
  font-size: 1.125rem;
  font-weight: 800;
  letter-spacing: -0.01em;
}

.page-news .news-doc__body {
  padding: clamp(6px, 1.4vw, 10px) clamp(18px, 3vw, 28px) clamp(16px, 3vw, 24px);
}

.page-news .news-doc__section {
  padding: clamp(14px, 2.4vw, 20px) 0;
  border-bottom: 1px dashed var(--news-edge);
}

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

.page-news .news-doc__h {
  display: flex;
  gap: 10px;
  align-items: baseline;
  margin: 0 0 6px;
  font-family: var(--font-head);
  font-size: 0.98rem;
  font-weight: 700;
}

.page-news .news-doc__num {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--wine);
}

.page-news .news-doc__p {
  margin: 0;
  font-size: 0.9375rem;
  color: var(--ink-soft);
}

/* ===== 新旧对照 ===== */
.page-news .news-switch {
  display: grid;
  gap: 12px;
}

@media (min-width: 820px) {
  .page-news .news-switch {
    grid-template-columns: minmax(0, 1fr) 72px minmax(0, 1fr);
    align-items: stretch;
  }
}

.page-news .news-switch__col {
  padding: clamp(16px, 2.5vw, 22px);
  border: 1px solid var(--news-edge);
  border-radius: var(--radius) var(--r-cut) var(--radius) var(--r-cut);
  background: var(--paper);
}

.page-news .news-switch__col--old {
  border-left: 5px solid var(--wine);
}

.page-news .news-switch__col--new {
  border-left: 5px solid var(--mint);
}

.page-news .news-switch__steps {
  display: grid;
  gap: 10px;
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
}

.page-news .news-switch__steps li {
  display: grid;
  grid-template-columns: 22px minmax(0, 1fr);
  gap: 8px;
  font-size: 0.9375rem;
  color: var(--ink-soft);
}

.page-news .news-switch__steps li span:first-child {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--ink-mute);
}

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

@media (min-width: 820px) {
  .page-news .news-switch__bridge {
    display: flex;
    align-items: center;
    justify-content: center;
  }
}

.page-news .news-switch__note {
  margin: clamp(16px, 3vw, 22px) 0 0;
  padding-left: 14px;
  border-left: 2px solid var(--gold);
  font-size: 0.9375rem;
  color: var(--ink-soft);
}

/* ===== 版本观察 ===== */
.page-news .news-brief {
  display: grid;
  gap: clamp(16px, 3vw, 24px);
}

@media (min-width: 900px) {
  .page-news .news-brief {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
    align-items: start;
  }
}

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

.page-news .news-brief__cards {
  display: grid;
  gap: 12px;
}

.page-news .news-brief__card {
  display: grid;
  gap: 6px;
  padding: 16px 18px;
  border: 1px solid var(--news-edge);
  border-radius: var(--r-cut) var(--radius) var(--r-cut) var(--radius);
  background: var(--paper);
}

.page-news .news-brief__card h3 {
  margin: 0;
  font-family: var(--font-head);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.page-news .news-brief__card p {
  margin: 0;
  font-size: 0.9375rem;
  color: var(--ink-soft);
}

/* ===== 查找方式 ===== */
.page-news .news-find__list {
  margin-top: clamp(12px, 2.4vw, 18px);
}

.page-news .news-cadence {
  margin-top: clamp(18px, 3vw, 26px);
  padding: clamp(16px, 2.5vw, 22px);
  border-radius: var(--radius) var(--r-cut) var(--radius) var(--r-cut);
  background:
    radial-gradient(120% 120% at 100% 0%, rgba(59, 46, 110, 0.5), transparent 60%),
    var(--deep);
  color: var(--paper);
}

.page-news .news-cadence p {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  color: var(--gold);
}

.page-news .news-cadence ul {
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 0.9375rem;
}

.page-news .news-cadence li {
  display: flex;
  gap: 10px;
  align-items: baseline;
  color: rgba(252, 250, 245, 0.84);
}

.page-news .news-cadence li::before {
  content: "";
  flex: 0 0 auto;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--gold);
  transform: translateY(-3px);
}

.page-news .news-next {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: clamp(20px, 3.4vw, 28px);
}

.page-news .news-next .btn {
  text-decoration: none;
}