.page-news {
  --pn-line: rgba(74, 90, 138, 0.42);
  --pn-line-soft: rgba(74, 90, 138, 0.24);
  --pn-cyan-glow: rgba(56, 242, 224, 0.16);
  --pn-coral-glow: rgba(255, 107, 87, 0.14);
  --pn-radius: 18px;
  overflow-x: hidden;
}

.page-news .pn-top {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 18px;
  align-items: center;
  justify-content: space-between;
  padding-top: clamp(18px, 3.5vw, 34px);
}

.page-news .pn-top__stamp {
  color: var(--gold);
  letter-spacing: 0.14em;
  font-size: 11px;
}

/* ---------- Hero ---------- */
.page-news .hero {
  position: relative;
  margin-top: clamp(26px, 5vw, 60px);
  display: grid;
  gap: clamp(28px, 4vw, 48px);
}

.page-news .hero .display {
  font-size: clamp(42px, 8.6vw, 116px);
  line-height: 0.96;
  letter-spacing: -0.02em;
  margin: 14px 0 0;
  color: var(--mist);
}

.page-news .hero__lede {
  margin-top: clamp(16px, 2.4vw, 24px);
  max-width: 52ch;
}

.page-news .hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(18px, 2.6vw, 28px);
}

.page-news .hero__note {
  margin-top: 20px;
  font-size: 11px;
  letter-spacing: 0.32em;
  color: var(--cyan);
  opacity: 0.75;
}

/* 订阅面板 */
.page-news .subpanel {
  position: relative;
  padding: clamp(22px, 3.2vw, 30px);
  border: 1px solid var(--pn-line);
  border-radius: var(--pn-radius);
  background:
    radial-gradient(120% 90% at 100% 0%, var(--pn-cyan-glow), transparent 62%),
    linear-gradient(180deg, var(--indigo-700), var(--deep));
  box-shadow: 0 24px 60px -34px rgba(5, 8, 22, 0.95);
}

.page-news .subpanel::before {
  content: "";
  position: absolute;
  inset: 0 auto auto 0;
  width: 100%;
  height: 2px;
  border-radius: var(--pn-radius) var(--pn-radius) 0 0;
  background: linear-gradient(90deg, var(--cyan), var(--coral) 68%, transparent);
}

.page-news .subpanel .h3 {
  margin: 10px 0 0;
  color: var(--mist);
  font-size: clamp(19px, 2.4vw, 24px);
}

.page-news .subpanel__ways {
  list-style: none;
  margin: 18px 0 22px;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-news .subpanel__ways li {
  padding-left: 16px;
  border-left: 2px solid var(--pn-line);
}

.page-news .subpanel__way-name {
  display: block;
  font-weight: 700;
  color: var(--cyan);
  font-size: 14px;
  letter-spacing: 0.02em;
}

.page-news .subpanel__way-desc {
  display: block;
  margin-top: 4px;
  color: var(--haze);
  font-size: 14px;
  line-height: 1.7;
}

.page-news .subfield {
  border-top: 1px solid var(--pn-line-soft);
  padding-top: 18px;
}

.page-news .subfield__label {
  display: block;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--haze);
  margin-bottom: 8px;
}

.page-news .subfield__input {
  width: 100%;
  box-sizing: border-box;
  padding: 12px 14px;
  border-radius: 10px;
  border: 1px solid var(--pn-line);
  background: rgba(5, 8, 22, 0.6);
  color: var(--mist);
  font-family: var(--font-mono);
  font-size: 14px;
}

.page-news .subfield__input::placeholder {
  color: rgba(201, 211, 240, 0.45);
}

.page-news .subfield__input:focus {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
  border-color: var(--cyan);
}

.page-news .subfield__hint {
  display: none;
  margin: 10px 0 0;
  font-size: 13px;
  line-height: 1.6;
}

.page-news .subfield__hint--idle {
  display: block;
  color: var(--haze);
}

.page-news .subfield__input:not(:placeholder-shown):valid ~ .subfield__hint--idle,
.page-news .subfield__input:not(:placeholder-shown):invalid ~ .subfield__hint--idle {
  display: none;
}

.page-news .subfield__input:not(:placeholder-shown):valid ~ .subfield__hint--ok {
  display: block;
  color: var(--cyan);
}

.page-news .subfield__input:not(:placeholder-shown):invalid ~ .subfield__hint--bad {
  display: block;
  color: var(--coral);
}

.page-news .subpanel__foot {
  margin: 18px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--haze);
}

.page-news .subpanel__link {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-news .hero__figure {
  margin-top: clamp(30px, 5vw, 56px);
}

/* ---------- 更新列表 ---------- */
.page-news .news-feed {
  padding-top: clamp(46px, 7vw, 84px);
  border-top: 1px solid var(--pn-line-soft);
  margin-top: clamp(38px, 6vw, 72px);
}

.page-news .feed__lede {
  max-width: 60ch;
  margin-top: 14px;
}

.page-news .feed__head .h2,
.page-news .kinds__head .h2,
.page-news .topic .h2,
.page-news .rhythm .h2,
.page-news .archive .h2 {
  margin: 12px 0 0;
  color: var(--mist);
}

.page-news .filters {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: clamp(24px, 3.6vw, 36px) 0 clamp(8px, 1.6vw, 14px);
}

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

.page-news .filters__chip {
  display: inline-flex;
  align-items: center;
  padding: 9px 17px;
  border-radius: var(--r-pill);
  border: 1px solid var(--pn-line);
  color: var(--haze);
  font-size: 13px;
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: background 0.22s var(--ease), color 0.22s var(--ease), border-color 0.22s var(--ease);
}

.page-news .filters__chip:hover {
  border-color: var(--cyan);
  color: var(--mist);
}

.page-news .filters__input:checked + .filters__chip {
  background: var(--cyan);
  border-color: var(--cyan);
  color: #04121a;
  font-weight: 700;
}

.page-news .filters__input:focus-visible + .filters__chip {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

.page-news .news-feed:has(#cat-version:checked) .feed__item:not(.cat-version),
.page-news .news-feed:has(#cat-rule:checked) .feed__item:not(.cat-rule),
.page-news .news-feed:has(#cat-doc:checked) .feed__item:not(.cat-doc),
.page-news .news-feed:has(#cat-feature:checked) .feed__item:not(.cat-feature),
.page-news .news-feed:has(#cat-notice:checked) .feed__item:not(.cat-notice) {
  display: none;
}

.page-news .feed__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-news .feed__item {
  display: grid;
  gap: 12px;
  padding: clamp(20px, 2.6vw, 28px) 0;
  border-top: 1px solid var(--pn-line-soft);
  transition: border-color 0.25s var(--ease);
}

.page-news .feed__item:hover {
  border-top-color: var(--cyan);
}

.page-news .feed__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.page-news .feed__time {
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--haze);
  opacity: 0.8;
}

.page-news .feed__title {
  margin: 0;
  font-size: clamp(17px, 2.2vw, 21px);
  line-height: 1.5;
  color: var(--mist);
  font-weight: 700;
}

.page-news .feed__desc {
  margin: 8px 0 0;
  color: var(--haze);
  font-size: 15px;
  line-height: 1.8;
  max-width: 66ch;
}

.page-news .feed__link {
  display: inline-block;
  margin-top: 10px;
  font-size: 13px;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(56, 242, 224, 0.4);
  padding-bottom: 2px;
}

.page-news .feed__link:hover {
  border-bottom-color: var(--cyan);
}

/* ---------- 五类记录 ---------- */
.page-news .kinds {
  margin-top: clamp(40px, 6vw, 76px);
  padding-top: clamp(44px, 6vw, 76px);
  padding-bottom: clamp(44px, 6vw, 76px);
  background:
    linear-gradient(180deg, rgba(20, 30, 74, 0.85), rgba(11, 18, 48, 0.9)),
    repeating-linear-gradient(90deg, rgba(74, 90, 138, 0.16) 0 1px, transparent 1px 96px);
  border-top: 1px solid var(--pn-line-soft);
  border-bottom: 1px solid var(--pn-line-soft);
}

.page-news .kinds__lede {
  max-width: 58ch;
  margin-top: 14px;
}

.page-news .kinds__list {
  list-style: none;
  margin: clamp(26px, 4vw, 42px) 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-news .kinds__item {
  padding: 20px 20px 22px;
  border: 1px solid var(--pn-line);
  border-radius: var(--r-md);
  background: rgba(11, 18, 48, 0.7);
}

.page-news .kinds__no {
  display: block;
  font-size: 11px;
  letter-spacing: 0.22em;
  color: var(--gold);
  margin-bottom: 8px;
}

.page-news .kinds__name {
  margin: 0;
  font-size: 17px;
  color: var(--mist);
  letter-spacing: 0.02em;
}

.page-news .kinds__desc {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--haze);
}

/* ---------- 专题 ---------- */
.page-news .topic {
  margin-top: clamp(44px, 6vw, 80px);
}

.page-news .topic__grid {
  display: grid;
  gap: clamp(24px, 4vw, 40px);
}

.page-news .topic__figure {
  align-self: start;
}

.page-news .topic__main .lede {
  margin-top: 14px;
  max-width: 56ch;
}

.page-news .topic__details {
  margin-top: clamp(20px, 3vw, 30px);
  border: 1px solid var(--pn-line);
  border-radius: var(--pn-radius);
  background: linear-gradient(160deg, rgba(20, 30, 74, 0.9), rgba(11, 18, 48, 0.9));
  overflow: hidden;
}

.page-news .topic__summary {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  padding: 16px 18px;
  cursor: pointer;
  list-style: none;
  border-bottom: 1px solid transparent;
}

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

.page-news .topic__details[open] .topic__summary {
  border-bottom-color: var(--pn-line-soft);
}

.page-news .topic__ver {
  font-size: 12px;
  letter-spacing: 0.14em;
  color: #04121a;
  background: var(--gold);
  border-radius: var(--r-pill);
  padding: 3px 10px;
  font-weight: 700;
}

.page-news .topic__summary-text {
  font-size: 14px;
  color: var(--haze);
}

.page-news .topic__summary::after {
  content: "+";
  margin-left: auto;
  color: var(--cyan);
  font-size: 18px;
  line-height: 1;
}

.page-news .topic__details[open] .topic__summary::after {
  content: "−";
}

.page-news .topic__panel {
  display: grid;
  gap: 0;
  padding: 4px 18px 8px;
}

.page-news .topic__block {
  padding: 16px 0;
  border-bottom: 1px solid var(--pn-line-soft);
}

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

.page-news .topic__block-title {
  margin: 0 0 6px;
  font-size: 15px;
  color: var(--cyan);
  letter-spacing: 0.06em;
}

.page-news .topic__block p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--haze);
}

/* ---------- 节奏 ---------- */
.page-news .rhythm {
  margin-top: clamp(46px, 6vw, 84px);
  padding-top: clamp(44px, 6vw, 76px);
  padding-bottom: clamp(44px, 6vw, 76px);
  border-top: 1px solid var(--pn-line-soft);
  background: radial-gradient(90% 120% at 12% 0%, rgba(56, 242, 224, 0.07), transparent 58%);
}

.page-news .rhythm__grid {
  display: grid;
  gap: clamp(28px, 4vw, 46px);
}

.page-news .rhythm .lede {
  margin-top: 14px;
  max-width: 52ch;
}

.page-news .rhythm__figure {
  margin-top: clamp(20px, 3vw, 30px);
}

.page-news .rhythm__bars {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 18px;
}

.page-news .rhythm__bar-top {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 8px;
}

.page-news .rhythm__bar-name {
  font-size: 14px;
  color: var(--mist);
  letter-spacing: 0.04em;
}

.page-news .rhythm__bar-num {
  font-size: 15px;
  color: var(--cyan);
}

.page-news .rhythm__track {
  height: 8px;
  border-radius: var(--r-pill);
  background: rgba(74, 90, 138, 0.28);
  overflow: hidden;
}

.page-news .rhythm__fill {
  display: block;
  height: 100%;
  border-radius: inherit;
}

.page-news .rhythm__fill--cyan {
  background: linear-gradient(90deg, rgba(56, 242, 224, 0.45), var(--cyan));
}

.page-news .rhythm__fill--gold {
  background: linear-gradient(90deg, rgba(217, 184, 108, 0.45), var(--gold));
}

.page-news .rhythm__fill--coral {
  background: linear-gradient(90deg, rgba(255, 107, 87, 0.4), var(--coral));
}

.page-news .rhythm__bar:nth-child(1) .rhythm__fill { width: 100%; }
.page-news .rhythm__bar:nth-child(2) .rhythm__fill { width: 89%; }
.page-news .rhythm__bar:nth-child(3) .rhythm__fill { width: 74%; }
.page-news .rhythm__bar:nth-child(4) .rhythm__fill { width: 47%; }
.page-news .rhythm__bar:nth-child(5) .rhythm__fill { width: 21%; }

.page-news .rhythm__note {
  margin: 24px 0 0;
  padding-top: 18px;
  border-top: 1px solid var(--pn-line-soft);
  font-size: 14px;
  line-height: 1.8;
  color: var(--haze);
}

/* ---------- 归档 ---------- */
.page-news .archive {
  margin-top: clamp(46px, 6vw, 84px);
  padding-top: clamp(44px, 6vw, 76px);
  border-top: 1px solid var(--pn-line-soft);
}

.page-news .archive .lede {
  margin-top: 14px;
  max-width: 56ch;
}

.page-news .archive__grid {
  display: grid;
  gap: clamp(28px, 4vw, 44px);
  margin-top: clamp(26px, 4vw, 40px);
}

.page-news .archive__group {
  border-bottom: 1px solid var(--pn-line-soft);
}

.page-news .archive__summary {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 16px 0;
  cursor: pointer;
  list-style: none;
}

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

.page-news .archive__range {
  font-size: 16px;
  font-weight: 700;
  color: var(--mist);
}

.page-news .archive__count {
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--coral);
}

.page-news .archive__summary::after {
  content: "展开";
  margin-left: auto;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--haze);
}

.page-news .archive__group[open] .archive__summary::after {
  content: "收起";
  color: var(--cyan);
}

.page-news .archive__items {
  list-style: none;
  margin: 0 0 14px;
  padding: 0 0 0 14px;
  border-left: 1px solid var(--pn-line);
  display: grid;
  gap: 10px;
}

.page-news .archive__items li {
  font-size: 14px;
  line-height: 1.75;
  color: var(--haze);
}

.page-news .archive__figure {
  margin-top: 26px;
}

.page-news .archive__manage {
  padding: clamp(20px, 3vw, 28px);
  border: 1px solid var(--pn-line);
  border-radius: var(--pn-radius);
  background: linear-gradient(180deg, rgba(35, 48, 107, 0.55), rgba(11, 18, 48, 0.75));
  align-self: start;
}

.page-news .archive__manage .h3 {
  margin: 0;
  color: var(--mist);
  font-size: 19px;
}

.page-news .archive__manage-lede {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--haze);
}

.page-news .archive__manage-list {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-news .archive__manage-list li {
  font-size: 14px;
  line-height: 1.75;
  color: var(--haze);
  padding-left: 14px;
  border-left: 2px solid var(--pn-cyan-glow);
}

.page-news .archive__manage-list strong {
  display: block;
  color: var(--mist);
  font-size: 14px;
  margin-bottom: 3px;
  letter-spacing: 0.04em;
}

.page-news .archive__faq {
  margin-top: 26px;
  padding-top: 20px;
  border-top: 1px solid var(--pn-line-soft);
}

.page-news .archive__faq .h3 {
  font-size: 16px;
  margin-bottom: 10px;
}

.page-news .faq {
  border-bottom: 1px solid var(--pn-line-soft);
}

.page-news .faq__q {
  padding: 12px 0;
  cursor: pointer;
  list-style: none;
  font-size: 14px;
  color: var(--mist);
  display: flex;
  gap: 8px;
  align-items: baseline;
}

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

.page-news .faq__q::before {
  content: "Q";
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--cyan);
}

.page-news .faq__a {
  margin: 0 0 14px;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--haze);
}

.page-news .faq__link {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 收尾 ---------- */
.page-news .pn-cta {
  margin-top: clamp(46px, 6vw, 80px);
  padding-top: clamp(40px, 6vw, 68px);
  padding-bottom: clamp(48px, 7vw, 88px);
  background:
    radial-gradient(80% 130% at 88% 0%, var(--pn-coral-glow), transparent 60%),
    linear-gradient(180deg, rgba(20, 30, 74, 0.5), rgba(5, 8, 22, 0.9));
  border-top: 1px solid var(--pn-line-soft);
}

.page-news .pn-cta__title {
  margin: 0;
  color: var(--mist);
}

.page-news .pn-cta__lede {
  margin: 16px 0 0;
  max-width: 56ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--haze);
}

.page-news .pn-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-news .feed__item {
    grid-template-columns: 168px minmax(0, 1fr);
    gap: 18px;
  }

  .page-news .feed__meta {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

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

  .page-news .kinds__item--wide {
    grid-column: span 2;
  }

  .page-news .topic__panel {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 22px;
    padding-bottom: 18px;
  }

  .page-news .topic__block {
    border-bottom: 0;
    padding: 18px 0 0;
  }
}

@media (min-width: 960px) {
  .page-news .hero {
    grid-template-columns: minmax(0, 1.32fr) minmax(0, 0.82fr);
    align-items: start;
  }

  .page-news .subpanel {
    margin-top: clamp(8px, 2vw, 38px);
  }

  .page-news .topic__grid {
    grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
    align-items: start;
  }

  .page-news .topic__figure {
    margin-top: 46px;
  }

  .page-news .rhythm__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-news .archive__grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 0.85fr);
    align-items: start;
  }

  .page-news .kinds__list {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }

  .page-news .kinds__item {
    grid-column: span 2;
  }

  .page-news .kinds__item--wide {
    grid-column: span 3;
  }
}

@media (min-width: 1200px) {
  .page-news .hero__note {
    position: absolute;
    top: 0;
    right: 0;
    writing-mode: vertical-rl;
    margin: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .filters__chip,
  .page-news .feed__item {
    transition: none;
  }
}