.page-news {
  --news-sticky-top: var(--topbar-h, 68px);
  background: var(--ink-night);
  color: var(--text-on-dark);
}

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  position: relative;
  padding: clamp(96px, 11vw, 134px) 0 46px;
  overflow: hidden;
  background:
    radial-gradient(880px 420px at 84% -6%, rgba(53, 233, 200, .14), transparent 72%),
    radial-gradient(520px 300px at 6% 100%, rgba(255, 90, 43, .10), transparent 70%),
    linear-gradient(180deg, var(--ink-slab) 0%, var(--ink-night) 82%);
}

.page-news .news-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: repeating-linear-gradient(104deg, rgba(53, 233, 200, .055) 0 1px, transparent 1px 26px);
}

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

.page-news .breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 26px;
  padding: 0;
  list-style: none;
  font-size: .82rem;
  letter-spacing: .04em;
  color: var(--text-muted);
}

.page-news .breadcrumb__item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.page-news .breadcrumb__link {
  color: var(--cyan);
  text-decoration: none;
}

.page-news .breadcrumb__link:hover {
  text-decoration: underline;
}

.page-news .breadcrumb__sep {
  color: var(--mist);
}

.page-news .news-hero__grid {
  display: grid;
  gap: 30px;
}

.page-news .news-hero__title {
  margin: 16px 0 18px;
  max-width: 20ch;
  font-size: clamp(1.85rem, 5vw, 3.3rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -.5px;
  color: var(--mint);
}

.page-news .news-hero__lead {
  margin: 0;
  max-width: 62ch;
  font-size: .98rem;
  line-height: 1.85;
  letter-spacing: .2px;
  color: var(--text-on-dark);
}

.page-news .news-hero__stats {
  position: relative;
  padding: 20px 22px 22px;
  background: rgba(10, 30, 25, .72);
  box-shadow: inset 0 0 0 1px var(--line);
  clip-path: polygon(0 0, calc(100% - 22px) 0, 100% 22px, 100% 100%, 22px 100%, 0 calc(100% - 22px));
}

.page-news .news-hero__stats-cap {
  margin: 0 0 14px;
  font-size: .74rem;
  font-weight: 700;
  letter-spacing: .22em;
  color: var(--cyan);
}

.page-news .news-hero__stats-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .news-stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
}

.page-news .news-stat__num {
  font-size: clamp(1.35rem, 3.6vw, 1.85rem);
  font-weight: 600;
  line-height: 1;
  letter-spacing: -.02em;
  color: var(--flame);
}

.page-news .news-stat__plus {
  font-size: .6em;
  vertical-align: super;
  color: var(--amber);
}

.page-news .news-stat__label {
  font-size: .8rem;
  letter-spacing: .08em;
  color: var(--text-muted);
}

/* ---------- 吸顶分类带 ---------- */
.page-news .news-tagband {
  position: sticky;
  top: var(--news-sticky-top);
  z-index: 8;
  overflow: hidden;
  background: rgba(10, 30, 25, .9);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(8px);
}

.page-news .news-tagband__texture {
  position: absolute;
  inset: 0;
  opacity: .16;
  pointer-events: none;
}

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

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

.page-news .news-tagband__list {
  display: flex;
  gap: 10px;
  margin: 0;
  padding: 12px 0;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: none;
}

.page-news .news-tagband__list::-webkit-scrollbar {
  display: none;
}

.page-news .news-tagband__link {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 9px 18px;
  white-space: nowrap;
  font-size: .86rem;
  font-weight: 700;
  letter-spacing: .08em;
  color: var(--text-on-dark);
  text-decoration: none;
  background: rgba(53, 233, 200, .07);
  box-shadow: inset 0 0 0 1px rgba(53, 233, 200, .26);
  clip-path: polygon(11px 0, 100% 0, 100% calc(100% - 11px), calc(100% - 11px) 100%, 0 100%, 0 11px);
  transition: background .22s var(--ease), color .22s var(--ease);
}

.page-news .news-tagband__idx {
  font-size: .72rem;
  opacity: .72;
}

.page-news .news-tagband__link:hover,
.page-news .news-tagband__link:focus-visible {
  background: rgba(53, 233, 200, .18);
  color: var(--mint);
}

.page-news .news-tagband__link.is-active,
.page-news .news-tagband__link[aria-current="true"] {
  background: var(--cyan);
  color: var(--ink-night);
}

.page-news .news-tagband__link.is-active .news-tagband__idx,
.page-news .news-tagband__link[aria-current="true"] .news-tagband__idx {
  opacity: .85;
}

/* ---------- 正文两栏 ---------- */
.page-news .news-body {
  padding: 54px 0 20px;
}

.page-news .news-columns {
  display: grid;
  gap: 46px;
}

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

.page-news .news-section {
  margin-bottom: 62px;
}

.page-news .news-section:last-child {
  margin-bottom: 0;
}

/* 区块头 */
.page-news .news-sec-head {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding-bottom: 14px;
  margin-bottom: 22px;
  border-bottom: 2px solid rgba(53, 233, 200, .28);
}

.page-news .news-sec-head__no {
  flex: none;
  padding-top: 3px;
  font-size: 1.45rem;
  line-height: 1;
  letter-spacing: -.02em;
  color: var(--cyan);
}

.page-news .news-sec-head__text {
  min-width: 0;
}

.page-news .news-sec-head__title {
  margin: 0 0 7px;
  font-size: 1.32rem;
  font-weight: 800;
  letter-spacing: -.2px;
  color: var(--mint);
}

.page-news .news-sec-head__desc {
  margin: 0;
  font-size: .9rem;
  line-height: 1.75;
  color: var(--text-muted);
}

.page-news .news-section--rounds .news-sec-head {
  border-bottom-color: rgba(255, 90, 43, .42);
}

.page-news .news-section--rounds .news-sec-head__no {
  color: var(--flame);
}

.page-news .news-section--docs .news-sec-head {
  border-bottom-color: rgba(255, 200, 87, .40);
}

.page-news .news-section--docs .news-sec-head__no {
  color: var(--amber);
}

.page-news .news-section--terms .news-sec-head {
  border-bottom-color: rgba(230, 255, 249, .34);
}

.page-news .news-section--terms .news-sec-head__no {
  color: var(--mint);
}

/* 系列封面 */
.page-news .news-cover {
  position: relative;
  margin: 0 0 18px;
  background: var(--ink-slab);
  box-shadow: inset 0 0 0 1px var(--line);
  clip-path: polygon(0 0, calc(100% - 22px) 0, 100% 22px, 100% 100%, 22px 100%, 0 calc(100% - 22px));
}

.page-news .news-cover img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  opacity: .92;
}

/* 条目列表 */
.page-news .news-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.page-news .news-item {
  display: grid;
  grid-template-columns: 58px minmax(0, 1fr);
  gap: 14px;
  padding: 15px 10px 15px 0;
  border-bottom: 1px solid var(--line);
  transition: transform .22s var(--ease), background .22s var(--ease);
}

.page-news .news-item:hover,
.page-news .news-item:focus-within {
  transform: translateY(-2px);
  background: rgba(53, 233, 200, .045);
}

.page-news .news-item__no {
  display: flex;
  flex-direction: column;
  gap: 7px;
  padding-top: 3px;
  text-decoration: none;
  color: var(--mist);
  transition: color .22s var(--ease);
}

.page-news .news-item__code {
  font-size: .82rem;
  font-weight: 600;
  letter-spacing: .04em;
}

.page-news .news-item__dot {
  display: block;
  width: 16px;
  height: 2px;
  background: currentColor;
  opacity: .55;
  transition: width .22s var(--ease), background .22s var(--ease), opacity .22s var(--ease);
}

.page-news .news-item:hover .news-item__no,
.page-news .news-item:focus-within .news-item__no {
  color: var(--flame);
}

.page-news .news-item:hover .news-item__dot,
.page-news .news-item:focus-within .news-item__dot {
  width: 26px;
  background: var(--flame);
  opacity: 1;
}

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

.page-news .news-item__title {
  margin: 0 0 5px;
  font-size: .99rem;
  font-weight: 700;
  line-height: 1.55;
  color: var(--mint);
}

.page-news .news-item__sum {
  margin: 0;
  font-size: .87rem;
  line-height: 1.7;
  color: var(--text-muted);
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
  overflow: hidden;
  transition: color .22s var(--ease);
}

.page-news .news-item:hover .news-item__sum,
.page-news .news-item:focus-within .news-item__sum {
  -webkit-line-clamp: unset;
  overflow: visible;
  color: var(--text-on-dark);
}

/* ---------- 回看入口 ---------- */
.page-news .news-ways {
  margin-top: 28px;
  padding: 54px 0 68px;
  border-top: 1px solid var(--line);
  background:
    linear-gradient(180deg, rgba(18, 51, 42, .92) 0%, var(--ink-night) 100%);
}

.page-news .news-ways__grid {
  display: grid;
  gap: 30px;
}

.page-news .news-ways__title {
  margin: 14px 0 14px;
  font-size: clamp(1.4rem, 3.6vw, 2rem);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -.3px;
  color: var(--mint);
}

.page-news .news-ways__text {
  margin: 0;
  max-width: 44ch;
  font-size: .94rem;
  line-height: 1.85;
  color: var(--text-muted);
}

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

.page-news .news-ways__link {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 14px;
  padding: 15px 18px;
  text-decoration: none;
  color: var(--text-on-dark);
  background: rgba(53, 233, 200, .06);
  box-shadow: inset 0 0 0 1px var(--line);
  clip-path: polygon(0 0, calc(100% - 14px) 0, 100% 14px, 100% 100%, 14px 100%, 0 calc(100% - 14px));
  transition: background .22s var(--ease), transform .22s var(--ease);
}

.page-news .news-ways__link:hover,
.page-news .news-ways__link:focus-visible {
  background: rgba(53, 233, 200, .15);
  transform: translateY(-2px);
}

.page-news .news-ways__link-idx {
  font-size: .82rem;
  color: var(--cyan);
}

.page-news .news-ways__link-body {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
}

.page-news .news-ways__link-body strong {
  font-size: .96rem;
  font-weight: 700;
  color: var(--mint);
  letter-spacing: .02em;
}

.page-news .news-ways__link-body span {
  font-size: .84rem;
  line-height: 1.6;
  color: var(--text-muted);
}

.page-news .news-ways__link-arrow {
  font-size: 1rem;
  color: var(--flame);
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-news .news-tagband__list {
    gap: 12px;
    padding: 14px 0;
  }

  .page-news .news-item {
    grid-template-columns: 68px minmax(0, 1fr);
    gap: 18px;
    padding: 17px 12px 17px 0;
  }
}

@media (min-width: 960px) {
  .page-news .news-hero__grid {
    grid-template-columns: minmax(0, 1.42fr) minmax(250px, .58fr);
    gap: 56px;
    align-items: end;
  }

  .page-news .news-columns {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, .94fr);
    gap: 64px 58px;
    align-items: start;
  }

  .page-news .news-col--right {
    margin-top: 84px;
  }

  .page-news .news-ways__grid {
    grid-template-columns: minmax(0, .92fr) minmax(0, 1.08fr);
    gap: 56px;
    align-items: start;
  }
}

@media (min-width: 1240px) {
  .page-news .news-hero {
    padding-top: 138px;
  }

  .page-news .news-columns {
    gap: 76px 72px;
  }

  .page-news .news-item__title {
    font-size: 1.03rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-item,
  .page-news .news-item__sum,
  .page-news .news-item__dot,
  .page-news .news-item__no,
  .page-news .news-ways__link,
  .page-news .news-tagband__link {
    transition: none !important;
  }

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