/* ===== 更新纪事 · page-news ===== */
.page-news {
  --news-rail-w: 264px;
  position: relative;
  padding-block: clamp(14px, 2.6vw, 26px) clamp(60px, 9vw, 112px);
}

.page-news::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 480px;
  background:
    radial-gradient(780px 340px at 86% 0%, rgba(245, 176, 65, .075), transparent 68%),
    radial-gradient(640px 320px at 0% 8%, rgba(0, 196, 106, .06), transparent 66%);
  pointer-events: none;
  z-index: 0;
}

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

/* --- 首屏 --- */
.page-news .news-hero {
  margin-top: clamp(14px, 2.4vw, 24px);
  padding-block: clamp(24px, 4.4vw, 52px);
  border-block: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(16, 20, 26, .72), rgba(7, 9, 12, 0));
}

.page-news .news-hero__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  align-items: center;
  gap: clamp(22px, 4vw, 44px);
}

.page-news .news-hero__title {
  margin: 12px 0 0;
  font-size: clamp(38px, 8vw, 72px);
  font-weight: 800;
  line-height: 1.03;
  letter-spacing: -.03em;
  color: var(--fg);
}

.page-news .news-hero__intro {
  margin: 16px 0 0;
  max-width: 54ch;
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.85;
  color: var(--silver);
}

.page-news .news-hero__stamp {
  display: inline-flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 10px;
  margin: 22px 0 0;
  padding: 9px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--panel);
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .04em;
}

.page-news .news-hero__stamp-v {
  color: var(--amber);
}

.page-news .news-hero__stamp-n {
  padding-left: 10px;
  border-left: 1px solid var(--line);
  color: var(--stone);
}

.page-news .news-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

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

/* --- 区块骨架 --- */
.page-news .news-section {
  padding-block: clamp(44px, 7vw, 88px);
}

.page-news .news-section + .news-section {
  border-top: 1px solid var(--line);
}

.page-news .news-section__head {
  max-width: 68ch;
  margin-bottom: clamp(22px, 3.4vw, 36px);
}

.page-news .news-section__title {
  margin: 0;
  font-size: clamp(22px, 2.8vw, 28px);
  font-weight: 800;
  line-height: 1.24;
  letter-spacing: -.02em;
  color: var(--fg);
}

.page-news .news-section__lead {
  margin: 12px 0 0;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--silver);
}

/* --- 本期更新摘要 --- */
.page-news .news-issue {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(16px, 2.4vw, 24px);
}

.page-news .news-issue__stamp {
  border-color: var(--line-strong);
  background: linear-gradient(160deg, var(--panel-2), var(--panel));
}

.page-news .news-issue__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .18em;
  color: var(--stone);
}

.page-news .news-issue__version {
  margin: 10px 0 0;
  font-family: var(--font-mono);
  font-size: clamp(46px, 9vw, 72px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -.04em;
  color: var(--amber);
}

.page-news .news-issue__period {
  margin: 12px 0 0;
  font-size: 14px;
  color: var(--fg);
}

.page-news .news-issue__note {
  margin: 12px 0 0;
  font-size: 13px;
  line-height: 1.78;
  color: var(--stone);
}

.page-news .news-issue__changes {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.page-news .news-change {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: start;
  gap: 14px;
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-left: 2px solid var(--green);
  border-radius: var(--radius-sm);
  background: var(--panel);
  transition: transform var(--speed) var(--ease);
}

.page-news .news-change:nth-child(1) {
  border-left-color: var(--amber);
}

.page-news .news-change:nth-child(2) {
  border-left-color: var(--green);
}

.page-news .news-change:nth-child(3) {
  border-left-color: var(--violet);
}

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

.page-news .news-change__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.82;
  color: var(--fg);
}

/* --- 条目流布局 --- */
.page-news .news-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 52px);
}

.page-news .news-rail__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .18em;
  color: var(--stone);
}

.page-news .news-rail__block + .news-rail__block {
  margin-top: clamp(18px, 2.4vw, 26px);
}

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

.page-news .news-tag {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--panel);
  font-size: 14px;
  color: var(--silver);
  transition: border-color var(--speed) var(--ease), color var(--speed) var(--ease);
}

.page-news .news-tag::before {
  content: "";
  flex: none;
  width: 9px;
  height: 9px;
  border-radius: 2px;
  background: var(--stone);
}

.page-news .news-tag--amber::before {
  background: var(--amber);
}

.page-news .news-tag--green::before {
  background: var(--green);
}

.page-news .news-tag--violet::before {
  background: var(--violet);
}

.page-news .news-tag--silver::before {
  background: var(--silver);
}

.page-news .news-tag:hover {
  border-color: var(--line-strong);
  color: var(--fg);
}

.page-news .news-rail__figure {
  margin: clamp(18px, 2.4vw, 26px) 0 0;
}

.page-news .news-toc {
  margin-top: clamp(18px, 2.4vw, 26px);
}

.page-news .news-toc ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 2px;
  border-left: 1px solid var(--line);
}

.page-news .news-toc__link {
  display: block;
  margin-left: -1px;
  padding: 7px 0 7px 14px;
  border-left: 2px solid transparent;
  font-size: 13.5px;
  line-height: 1.5;
  color: var(--stone);
  text-decoration: none;
  transition: color var(--speed) var(--ease), border-color var(--speed) var(--ease);
}

.page-news .news-toc__link:hover {
  color: var(--fg);
}

.page-news .news-toc__link[aria-current="true"] {
  color: var(--green);
  border-left-color: var(--green);
}

/* --- 条目流 --- */
.page-news .news-feed {
  display: grid;
  gap: clamp(30px, 4vw, 46px);
  min-width: 0;
}

.page-news .news-stage__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line-strong);
}

.page-news .news-stage__title {
  flex: 1;
  margin: 0;
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -.01em;
  color: var(--fg);
}

.page-news .news-stage__meta {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--stone);
}

.page-news .news-item {
  display: grid;
  grid-template-columns: 12px minmax(0, 1fr);
  gap: 16px;
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
}

.page-news .news-item__dot {
  width: 10px;
  height: 10px;
  margin-top: 8px;
  border-radius: 50%;
  background: var(--stone);
  box-shadow: 0 0 0 4px rgba(138, 147, 158, .12);
  animation: news-dot-in .24s var(--ease) both;
}

@keyframes news-dot-in {
  from { opacity: .28; }
  to { opacity: 1; }
}

.page-news .news-item__dot--amber {
  background: var(--amber);
  box-shadow: 0 0 0 4px rgba(245, 176, 65, .13);
}

.page-news .news-item__dot--green {
  background: var(--green);
  box-shadow: 0 0 0 4px rgba(0, 196, 106, .13);
}

.page-news .news-item__dot--violet {
  background: var(--violet);
  box-shadow: 0 0 0 4px rgba(94, 106, 210, .14);
}

.page-news .news-item__dot--silver {
  background: var(--silver);
  box-shadow: 0 0 0 4px rgba(199, 206, 216, .12);
}

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

.page-news .news-item__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px 10px;
}

.page-news .news-item__title {
  margin: 0;
  font-size: 16.5px;
  font-weight: 700;
  line-height: 1.55;
  color: var(--fg);
}

.page-news .news-item__issue {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--stone);
  text-decoration: none;
  white-space: nowrap;
}

.page-news .news-item__issue--link {
  color: var(--amber);
  border-bottom: 1px dashed rgba(245, 176, 65, .38);
  transition: color var(--speed) var(--ease), border-color var(--speed) var(--ease);
}

.page-news .news-item__issue--link:hover {
  color: var(--fg);
  border-bottom-color: var(--fg);
}

.page-news .news-item__summary {
  margin: 8px 0 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--silver);
}

.page-news .news-item__toggle {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 12px;
  padding: 0;
  border: 0;
  background: none;
  font-family: inherit;
  font-size: 13px;
  letter-spacing: .02em;
  color: var(--green);
  cursor: pointer;
  transition: color var(--speed) var(--ease);
}

.page-news .news-item__toggle::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 14px;
  transition: transform .24s var(--ease);
}

.page-news .news-item__toggle[aria-expanded="true"]::after {
  transform: rotate(45deg);
}

.page-news .news-item__toggle:hover {
  color: var(--fg);
}

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

.page-news .news-item__panel[data-open]:not([data-open="false"]) {
  display: block;
}

.page-news .news-item__panel-inner {
  margin-top: 14px;
  padding: 14px 16px;
  border-left: 2px solid var(--line-strong);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  background: rgba(16, 20, 26, .74);
}

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

.page-news .news-item__list li {
  position: relative;
  padding-left: 16px;
  font-size: 13.5px;
  line-height: 1.78;
  color: var(--silver);
}

.page-news .news-item__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .72em;
  width: 8px;
  height: 1px;
  background: var(--green);
}

/* --- 赛季阶段专题 --- */
.page-news .news-seasons__figure {
  margin: 0 0 clamp(24px, 3.4vw, 38px);
}

.page-news .news-track {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3vw, 30px);
}

.page-news .news-track__node {
  position: relative;
  padding-top: 20px;
  border-top: 1px solid var(--line);
}

.page-news .news-track__node::before {
  content: "";
  position: absolute;
  top: -5px;
  left: 0;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--stone);
  box-shadow: 0 0 0 3px var(--ink);
}

.page-news .news-track__node--amber::before {
  background: var(--amber);
}

.page-news .news-track__node--violet::before {
  background: var(--violet);
}

.page-news .news-track__node--green::before {
  background: var(--green);
}

.page-news .news-track__phase {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--stone);
}

.page-news .news-track__head {
  margin: 8px 0 0;
  font-size: 15.5px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--fg);
}

.page-news .news-track__desc {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--silver);
}

/* --- 版本对照与历史归档 --- */
.page-news .news-history__figure {
  margin: 0 0 clamp(22px, 3vw, 34px);
}

.page-news .news-versions {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line-strong);
}

.page-news .news-versions__row {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  grid-template-areas:
    "no   ver"
    "area area"
    "note note";
  gap: 6px 14px;
  padding: 14px 8px;
  border-bottom: 1px solid var(--line);
  transition: background-color var(--speed) var(--ease);
}

.page-news .news-versions__row:hover {
  background: rgba(16, 20, 26, .6);
}

.page-news .news-versions__no {
  grid-area: no;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .08em;
  color: var(--stone);
}

.page-news .news-versions__ver {
  grid-area: ver;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .08em;
  color: var(--amber);
}

.page-news .news-versions__area {
  grid-area: area;
  font-size: 12.5px;
  letter-spacing: .04em;
  color: var(--violet);
}

.page-news .news-versions__note {
  grid-area: note;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--silver);
}

.page-news .news-versions__archive {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px 20px;
  margin-top: clamp(20px, 3vw, 30px);
  padding: 16px 18px;
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius-sm);
}

.page-news .news-versions__archive p {
  flex: 1 1 320px;
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--silver);
}

/* --- 版本时间核对入口 --- */
.page-news .news-steps {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(16px, 2.4vw, 22px);
}

.page-news .news-step {
  padding: 20px 20px 22px;
  border: 1px solid var(--line);
  border-top: 2px solid var(--green);
  border-radius: var(--radius-sm);
  background: linear-gradient(180deg, var(--panel-2), var(--panel));
  transition: transform var(--speed) var(--ease);
}

.page-news .news-step:nth-child(2) {
  border-top-color: var(--amber);
}

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

.page-news .news-step__no {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--stone);
}

.page-news .news-step__title {
  margin: 10px 0 0;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--fg);
}

.page-news .news-step__text {
  margin: 8px 0 0;
  font-size: 14.5px;
  line-height: 1.82;
  color: var(--silver);
}

.page-news .news-timecheck__foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px 20px;
  margin-top: clamp(20px, 3vw, 30px);
  padding: 18px 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--panel);
}

.page-news .news-timecheck__foot p {
  flex: 1 1 340px;
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--silver);
}

/* --- 响应式 --- */
@media (min-width: 760px) {
  .page-news .news-track {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: clamp(18px, 2.6vw, 30px);
  }

  .page-news .news-steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 860px) {
  .page-news .news-issue {
    grid-template-columns: minmax(0, 300px) minmax(0, 1fr);
    align-items: start;
  }

  .page-news .news-versions__row {
    grid-template-columns: 96px 62px 118px minmax(0, 1fr);
    grid-template-areas: "no ver area note";
    align-items: baseline;
    gap: 16px;
    padding: 14px 10px;
  }
}

@media (min-width: 980px) {
  .page-news .news-hero__inner {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.08fr);
  }
}

@media (min-width: 1024px) {
  .page-news .news-layout {
    grid-template-columns: var(--news-rail-w) minmax(0, 1fr);
    align-items: start;
  }

  .page-news .news-rail {
    position: sticky;
    top: 104px;
  }
}

@media (max-width: 480px) {
  .page-news .news-item {
    grid-template-columns: 9px minmax(0, 1fr);
    gap: 12px;
  }

  .page-news .news-item__title {
    font-size: 15.5px;
  }

  .page-news .news-hero__actions .btn {
    flex: 1 1 100%;
  }
}