.page-news {
  --news-cut: 16px;
  --news-cut-lg: 28px;
  overflow-x: clip;
}

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  position: relative;
  isolation: isolate;
  padding-block: clamp(1.25rem, .8rem + 2.4vw, 2.5rem) clamp(2rem, 1.2rem + 4vw, 3.5rem);
}

.page-news .news-hero::before,
.page-news .news-hero::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
  z-index: -1;
}

.page-news .news-hero::before {
  width: min(560px, 82vw);
  height: min(560px, 82vw);
  top: -220px;
  right: -140px;
  background: radial-gradient(circle, rgba(255, 107, 44, .2), transparent 68%);
}

.page-news .news-hero::after {
  width: min(440px, 70vw);
  height: min(440px, 70vw);
  top: 34%;
  left: -220px;
  background: radial-gradient(circle, rgba(45, 226, 230, .16), transparent 70%);
}

.page-news .news-hero__copy {
  max-width: 66ch;
}

.page-news .news-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem 1.4rem;
  margin: clamp(1.1rem, .9rem + 1vw, 1.75rem) 0 0;
  font-size: var(--step--1);
  color: var(--text-dim);
  letter-spacing: .04em;
}

.page-news .news-hero__meta span {
  position: relative;
  padding-inline-start: 1rem;
}

.page-news .news-hero__meta span::before {
  content: "";
  position: absolute;
  inset-inline-start: 0;
  top: 50%;
  width: 7px;
  height: 7px;
  transform: translateY(-50%) rotate(45deg);
  background: var(--cyan);
}

.page-news .news-hero__meta span:nth-child(2)::before {
  background: var(--neon);
}

.page-news .news-hero__meta span:nth-child(3)::before {
  background: var(--violet);
}

.page-news .news-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
  margin-top: clamp(1.25rem, 1rem + 1.4vw, 2rem);
}

.page-news .news-hero__band {
  margin: clamp(1.75rem, 1.2rem + 3vw, 3rem) 0 0;
  position: relative;
  background: linear-gradient(150deg, rgba(45, 226, 230, .14), rgba(10, 15, 30, .5) 45%, rgba(255, 107, 44, .16));
}

.page-news .news-hero__band img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 7;
  object-fit: cover;
  clip-path: polygon(0 0, calc(100% - var(--news-cut-lg)) 0, 100% var(--news-cut-lg), 100% 100%, 0 100%);
}

/* ---------- 区块标题 ---------- */
.page-news .news-feed__head {
  margin-bottom: clamp(1.25rem, 1rem + 2vw, 2.25rem);
}

.page-news .news-feed__hint {
  font-size: var(--step--1);
  color: var(--text-mute);
  line-height: 1.75;
  max-width: 40ch;
  margin: 0;
}

/* ---------- 公告区布局 ---------- */
.page-news .news-feed__grid {
  display: grid;
  gap: clamp(1.5rem, 1rem + 3vw, 2.75rem);
  grid-template-columns: minmax(0, 1fr);
}

.page-news .news-rail {
  display: grid;
  gap: 1.25rem;
  align-content: start;
}

.page-news .news-rail .filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  padding: 0;
  margin: 0;
  border: 0;
  background: none;
}

.page-news .news-rail__note {
  margin: 0;
  font-size: var(--step--1);
  line-height: 1.75;
  color: var(--text-mute);
}

.page-news .news-rail__media {
  margin: 0;
  max-width: 100%;
}

.page-news .news-rail__media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 公告卡片 ---------- */
.page-news .news-list {
  display: grid;
  gap: clamp(.75rem, .55rem + 1vw, 1.125rem);
}

.page-news .notice-card {
  position: relative;
  padding: clamp(1rem, .8rem + 1.1vw, 1.6rem);
  padding-inline-start: clamp(1.25rem, 1rem + 1.2vw, 1.9rem);
  background: linear-gradient(150deg, rgba(26, 42, 58, .78), rgba(10, 15, 30, .72));
  border: 1px solid var(--line);
  clip-path: polygon(0 0, calc(100% - var(--news-cut)) 0, 100% var(--news-cut), 100% 100%, 0 100%);
  transition: transform var(--dur) var(--ease), background var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-news .notice-card::before {
  content: "";
  position: absolute;
  inset-block: 0;
  inset-inline-start: 0;
  width: 3px;
  background: linear-gradient(180deg, var(--cyan), rgba(45, 226, 230, 0));
}

.page-news .notice-card[data-cat="规则调整"]::before {
  background: linear-gradient(180deg, var(--neon), rgba(255, 107, 44, 0));
}

.page-news .notice-card[data-cat="维护通知"]::before,
.page-news .notice-card[data-cat="安全提示"]::before {
  background: linear-gradient(180deg, var(--alert), rgba(255, 77, 109, 0));
}

.page-news .notice-card[data-cat="活动预告"]::before {
  background: linear-gradient(180deg, var(--violet), rgba(107, 114, 128, 0));
}

.page-news .notice-card:hover {
  transform: translate3d(0, -3px, 0);
  border-color: var(--line-strong);
  background: linear-gradient(150deg, rgba(26, 42, 58, .96), rgba(10, 15, 30, .84));
}

.page-news .notice-card__meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: .5rem .75rem;
  margin-bottom: .7rem;
}

.page-news .notice-card__batch {
  font-size: var(--step--1);
  letter-spacing: .14em;
  color: var(--cyan);
}

.page-news .notice-card__when {
  margin-inline-start: auto;
  font-size: var(--step--1);
  letter-spacing: .06em;
  color: var(--text-mute);
}

.page-news .notice-card__title {
  margin: 0;
  font-size: var(--step-1);
  line-height: 1.5;
  letter-spacing: .01em;
}

.page-news .notice-card__toggle {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  width: 100%;
  margin: 0;
  padding: 0;
  border: 0;
  background: none;
  color: var(--white);
  font: inherit;
  text-align: start;
  cursor: pointer;
  transition: color var(--dur) var(--ease);
}

.page-news .notice-card__toggle:hover {
  color: var(--cyan);
}

.page-news .notice-card__toggle:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 4px;
}

.page-news .notice-card__toggle .disclosure-icon {
  flex: none;
  margin-top: .3rem;
}

.page-news .notice-card .disclosure-panel-inner {
  padding-top: .9rem;
}

.page-news .notice-card .disclosure-panel-inner p {
  margin: 0 0 .75rem;
  font-size: var(--step-0);
  line-height: 1.8;
  color: var(--text-dim);
}

.page-news .notice-card .disclosure-panel-inner p:last-child {
  margin-bottom: 0;
}

.page-news .notice-card__scope {
  font-size: var(--step--1);
  letter-spacing: .05em;
  color: var(--text-mute) !important;
}

/* ---------- 活动规则更新 ---------- */
.page-news .news-rules__grid {
  display: grid;
  gap: clamp(1.5rem, 1rem + 3vw, 2.75rem);
  align-items: start;
  grid-template-columns: minmax(0, 1fr);
}

.page-news .news-rules__lede {
  margin-bottom: clamp(1.25rem, 1rem + 1.5vw, 2rem);
}

.page-news .news-rule {
  padding: clamp(1.1rem, .9rem + 1.1vw, 1.75rem);
  margin-top: 1.125rem;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--news-cut)), calc(100% - var(--news-cut)) 100%, 0 100%);
}

.page-news .news-rule:first-of-type {
  margin-top: 0;
}

.page-news .news-rule__head {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: .6rem;
  margin-bottom: .6rem;
}

.page-news .news-rule__code {
  font-size: var(--step--1);
  letter-spacing: .12em;
  color: rgba(26, 23, 18, .6);
}

.page-news .news-rule .tag {
  border-color: rgba(26, 23, 18, .22);
  background: rgba(26, 23, 18, .07);
  color: #8a3413;
}

.page-news .news-rule__title {
  margin: 0 0 .5rem;
  font-size: var(--step-1);
  line-height: 1.45;
  color: var(--paper-ink);
  letter-spacing: .01em;
}

.page-news .news-rule > p {
  margin: 0;
  font-size: var(--step-0);
  line-height: 1.85;
  color: rgba(26, 23, 18, .84);
}

.page-news .news-rule__facts {
  display: grid;
  gap: .5rem;
  margin: 1rem 0 0;
  padding-top: .9rem;
  border-top: 1px dashed rgba(26, 23, 18, .24);
}

.page-news .news-rule__facts > div {
  display: grid;
  grid-template-columns: 6.5em minmax(0, 1fr);
  gap: .75rem;
}

.page-news .news-rule__facts dt {
  font-size: var(--step--1);
  color: rgba(26, 23, 18, .58);
}

.page-news .news-rule__facts dd {
  margin: 0;
  font-size: var(--step--1);
  font-weight: 600;
  color: var(--paper-ink);
}

.page-news .news-rules__media {
  margin: 0;
  border: 1px solid var(--line);
  background: linear-gradient(160deg, rgba(255, 107, 44, .12), rgba(10, 15, 30, .55));
  clip-path: polygon(0 0, calc(100% - var(--news-cut-lg)) 0, 100% var(--news-cut-lg), 100% 100%, 0 100%);
}

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

/* ---------- 版本维护记录 ---------- */
.page-news .news-timeline {
  list-style: none;
  margin: clamp(1.5rem, 1rem + 2vw, 2.5rem) 0 0;
  padding: 0;
  display: grid;
  gap: clamp(.875rem, .7rem + 1vw, 1.25rem);
  position: relative;
}

.page-news .news-timeline__item {
  position: relative;
  display: grid;
  gap: .5rem;
}

.page-news .news-timeline__node {
  display: inline-flex;
  align-items: center;
  gap: .55rem;
  font-size: var(--step--1);
  letter-spacing: .12em;
  color: var(--cyan);
}

.page-news .news-timeline__node::before {
  content: "";
  flex: none;
  width: 9px;
  height: 9px;
  background: var(--cyan);
  clip-path: polygon(50% 0, 100% 50%, 50% 100%, 0 50%);
}

.page-news .news-timeline__item:nth-child(2n) .news-timeline__node {
  color: var(--neon);
}

.page-news .news-timeline__item:nth-child(2n) .news-timeline__node::before {
  background: var(--neon);
}

.page-news .news-timeline__body {
  padding: clamp(1rem, .85rem + .7vw, 1.5rem);
}

.page-news .news-timeline__body h3 {
  margin: 0 0 .5rem;
  font-size: var(--step-1);
  line-height: 1.5;
}

.page-news .news-timeline__body p {
  margin: 0;
  font-size: var(--step-0);
  line-height: 1.8;
  color: var(--text-dim);
}

/* ---------- 批次索引 ---------- */
.page-news .news-batches__grid {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  grid-template-columns: minmax(0, 1fr);
}

.page-news .news-batch {
  display: grid;
  gap: .5rem;
  align-content: start;
  padding: clamp(1.1rem, .9rem + 1vw, 1.6rem);
  background: #0c1322;
  transition: background var(--dur) var(--ease);
}

.page-news .news-batch--current {
  background: linear-gradient(160deg, #1e1420, #0c1322 66%);
}

.page-news .news-batch:hover {
  background: #131d31;
}

.page-news .news-batch--current:hover {
  background: linear-gradient(160deg, #2a1a26, #131d31 66%);
}

.page-news .news-batch__no {
  display: block;
  font-size: clamp(1.75rem, 1.2rem + 2.2vw, 2.5rem);
  line-height: 1;
  letter-spacing: .05em;
  color: var(--cyan);
}

.page-news .news-batch--current .news-batch__no {
  color: var(--neon);
}

.page-news .news-batch__name {
  margin: 0;
  font-size: var(--step-0);
  font-weight: 700;
  letter-spacing: .04em;
}

.page-news .news-batch__desc {
  margin: 0;
  font-size: var(--step--1);
  line-height: 1.75;
  color: var(--text-dim);
}

.page-news .news-batch__kinds {
  display: flex;
  flex-wrap: wrap;
  gap: .375rem;
  margin: .25rem 0 0;
  padding: 0;
  list-style: none;
}

/* ---------- 回访指引 ---------- */
.page-news .news-return__grid {
  display: grid;
  gap: clamp(1.5rem, 1rem + 3vw, 2.5rem);
  grid-template-columns: minmax(0, 1fr);
  align-items: start;
}

.page-news .news-return__list {
  list-style: none;
  margin: clamp(1.25rem, 1rem + 1.5vw, 1.75rem) 0 0;
  padding: 0;
  display: grid;
  gap: 1rem;
}

.page-news .news-return__list li {
  display: grid;
  grid-template-columns: 2.5rem minmax(0, 1fr);
  gap: .75rem;
  align-items: start;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
}

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

.page-news .news-return__idx {
  font-size: var(--step--1);
  letter-spacing: .1em;
  color: var(--cyan);
  padding-top: .2rem;
}

.page-news .news-return__list p {
  margin: 0;
  font-size: var(--step-0);
  line-height: 1.8;
  color: var(--text-dim);
}

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

.page-news .news-return__links {
  margin: clamp(1.25rem, 1rem + 1vw, 1.5rem) 0 0;
  font-size: var(--step-0);
  line-height: 1.8;
  color: var(--text-dim);
}

.page-news .news-return__links a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}

.page-news .news-return__links a:hover {
  color: var(--neon);
}

.page-news .news-return__card {
  padding: clamp(1.25rem, 1rem + 1.5vw, 2rem);
}

.page-news .news-return__mail {
  font-size: clamp(1rem, .82rem + .9vw, 1.4rem);
  letter-spacing: .02em;
  color: var(--cyan);
  margin: .5rem 0 1rem;
  word-break: break-all;
}

.page-news .news-return__note {
  margin: 1rem 0 0;
  font-size: var(--step--1);
  line-height: 1.8;
  color: var(--text-mute);
}

.page-news .news-return__note a {
  color: var(--text-dim);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-news .news-return__note a:hover {
  color: var(--cyan);
}

.page-news .news-band {
  margin: clamp(2rem, 1.5rem + 2.5vw, 3.25rem) 0 0;
  border: 1px solid var(--line);
  background: linear-gradient(120deg, rgba(45, 226, 230, .12), rgba(10, 15, 30, .6) 50%, rgba(255, 107, 44, .16));
}

.page-news .news-band img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 8 / 3;
  object-fit: cover;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--news-cut-lg)), calc(100% - var(--news-cut-lg)) 100%, 0 100%);
}

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

@media (min-width: 860px) {
  .page-news .news-timeline {
    padding-inline-start: 210px;
  }

  .page-news .news-timeline::before {
    content: "";
    position: absolute;
    inset-inline-start: 176px;
    top: 8px;
    bottom: 8px;
    width: 1px;
    background: linear-gradient(180deg, rgba(45, 226, 230, .55), rgba(45, 226, 230, .04));
  }

  .page-news .news-timeline__node {
    position: absolute;
    inset-inline-start: -210px;
    top: 1rem;
    width: 158px;
    justify-content: flex-end;
  }
}

@media (min-width: 900px) {
  .page-news .news-feed__grid {
    grid-template-columns: minmax(220px, 288px) minmax(0, 1fr);
  }

  .page-news .news-return__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
  }

  .page-news .notice-card:nth-child(3n+2) {
    margin-inline-start: clamp(1rem, 2vw, 2.5rem);
  }

  .page-news .notice-card:nth-child(3n+3) {
    margin-inline-end: clamp(1rem, 2vw, 2.5rem);
  }
}

@media (min-width: 960px) {
  .page-news .news-rules__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, .82fr);
  }

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

@media (min-width: 1080px) {
  .page-news .news-batches__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .notice-card,
  .page-news .news-batch {
    transition: none;
  }

  .page-news .notice-card:hover {
    transform: none;
  }
}