.page-news {
  --news-rail: 2px;
  --news-lift-1: 26px;
  --news-lift-2: 52px;
  --news-lift-3: 78px;
  background: var(--paper-50);
}

.page-news .breadcrumb {
  margin-bottom: clamp(20px, 3vw, 34px);
}

.page-news h1 {
  font-family: var(--font-display);
  font-weight: 900;
  letter-spacing: -0.02em;
  line-height: 1.16;
  font-size: clamp(30px, 6.2vw, 54px);
  color: var(--ink-900);
  margin: 0 0 16px;
}

.page-news h2 {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.24;
  font-size: clamp(23px, 3.6vw, 34px);
  color: var(--ink-700);
  margin: 0 0 14px;
}

.page-news h3 {
  margin: 0;
}

.page-news .section--ink h2 {
  color: var(--paper-50);
}

.page-news .section--ink .lede {
  color: rgba(251, 248, 241, 0.78);
}

.page-news .section--ink .eyebrow {
  color: var(--gold-500);
}

/* 首屏 */
.page-news .news-hero {
  background:
    linear-gradient(180deg, rgba(44, 66, 96, 0.06), rgba(251, 248, 241, 0) 58%),
    var(--paper-50);
  border-bottom: 1px solid var(--line);
}

.page-news .news-hero__grid {
  display: grid;
  gap: clamp(26px, 4vw, 40px);
}

.page-news .news-hero__lead .lede {
  max-width: 56ch;
}

.page-news .news-hero__index-title {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--slate);
  text-transform: uppercase;
}

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

.page-news .index-rail__link {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 12px 2px;
  border-bottom: 1px solid var(--line);
  color: var(--ink-900);
  text-decoration: none;
  font-size: 15px;
  line-height: 1.5;
  transition: color 0.2s var(--ease-out), padding-left 0.2s var(--ease-out);
}

.page-news .index-rail__link:hover,
.page-news .index-rail__link:focus-visible {
  color: var(--gold-700);
  padding-left: 8px;
}

.page-news .index-rail__num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--gold-700);
  flex: none;
}

/* 流程路径 */
.page-news .flow-intro {
  display: grid;
  gap: clamp(24px, 4vw, 40px);
  margin-bottom: clamp(30px, 5vw, 56px);
  align-items: end;
}

.page-news .flow-intro__figure {
  margin: 0;
}

.page-news .flow-intro__figure img,
.page-news .states__figure img,
.page-news .notices__banner img,
.page-news .versions__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

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

.page-news .flow::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 10px;
  bottom: 10px;
  width: var(--news-rail);
  background: linear-gradient(180deg, var(--gold-500), var(--ink-700) 26%, var(--ink-500) 82%, rgba(44, 66, 96, 0.25));
}

.page-news .flow__item {
  position: relative;
  display: grid;
  grid-template-columns: 16px minmax(0, 1fr);
  column-gap: 16px;
  padding-bottom: clamp(26px, 4.6vw, 52px);
}

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

.page-news .flow__marker {
  display: flex;
  justify-content: center;
  padding-top: 26px;
}

.page-news .flow__dot {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  border: 2px solid var(--ink-700);
  background: var(--paper-50);
  box-sizing: border-box;
}

.page-news .flow__dot--done {
  background: var(--gold-500);
  border-color: var(--gold-500);
  box-shadow: 0 0 0 4px rgba(201, 162, 39, 0.18);
}

.page-news .flow__dot--live {
  background: var(--gold-500);
  border-color: var(--gold-500);
  animation: news-pulse 2.4s ease-in-out infinite;
}

@keyframes news-pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(201, 162, 39, 0.42); }
  50% { box-shadow: 0 0 0 7px rgba(201, 162, 39, 0.06); }
}

.page-news .step {
  position: relative;
  background: var(--paper-100);
  border: 1px solid var(--line);
  padding: 22px 18px 18px;
}

.page-news .step__num {
  position: absolute;
  top: 2px;
  right: 14px;
  font-family: var(--font-mono);
  font-size: 48px;
  line-height: 1;
  letter-spacing: -0.05em;
  color: var(--ink-900);
  opacity: 0.11;
  pointer-events: none;
}

.page-news .step__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 21px;
  letter-spacing: 0.02em;
  color: var(--ink-900);
  margin: 0 0 10px;
  padding-right: 64px;
}

.page-news .step__title::after {
  content: "";
  display: block;
  width: 28px;
  height: 2px;
  margin-top: 10px;
  background: var(--gold-500);
}

.page-news .step__desc {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink-900);
}

.page-news .step__more {
  margin-top: 14px;
  border-top: 1px solid var(--line);
  padding-top: 12px;
}

.page-news .step__summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  cursor: pointer;
  list-style: none;
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--gold-700);
}

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

.page-news .step__summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 16px;
  line-height: 1;
  color: var(--gold-700);
}

.page-news .step__more[open] .step__summary::after {
  content: "−";
}

.page-news .step__list {
  margin: 12px 0 0;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink-900);
}

.page-news .step__list li {
  margin-bottom: 6px;
}

.page-news .step__time {
  margin: 10px 0 0;
  font-size: 13px;
  line-height: 1.6;
  color: var(--slate);
  border-left: 2px solid var(--gold-line);
  padding-left: 10px;
}

/* 状态说明 */
.page-news .states__grid {
  display: grid;
  gap: clamp(28px, 4vw, 48px);
}

.page-news .state-list {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
}

.page-news .state-item {
  display: grid;
  grid-template-columns: 14px minmax(0, 1fr);
  column-gap: 12px;
  row-gap: 4px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line-light);
}

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

.page-news .state-item__dot {
  width: 10px;
  height: 10px;
  margin-top: 7px;
  border-radius: 50%;
  box-sizing: border-box;
  border: 2px solid var(--paper-50);
}

.page-news .state-item__name {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--paper-50);
}

.page-news .state-item__text {
  grid-column: 2;
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: rgba(251, 248, 241, 0.76);
}

.page-news .state-item--checking .state-item__dot {
  border-color: var(--gold-500);
}

.page-news .state-item--processing .state-item__dot {
  background: var(--gold-500);
  border-color: var(--gold-500);
  animation: news-pulse 2.4s ease-in-out infinite;
}

.page-news .state-item--done .state-item__dot {
  background: var(--gold-500);
  border-color: var(--gold-500);
  box-shadow: 0 0 0 4px rgba(201, 162, 39, 0.2);
}

.page-news .state-item--returned .state-item__dot {
  background: var(--cinnabar);
  border-color: var(--cinnabar);
}

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

.page-news .states__figure .media-frame__caption {
  color: rgba(251, 248, 241, 0.6);
}

/* 公告目录 */
.page-news .notices__banner {
  margin: 26px 0 clamp(24px, 4vw, 38px);
}

.page-news .filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  position: relative;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line-strong);
}

.page-news .filters__radio {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-news .filters__pill {
  display: inline-block;
  padding: 7px 14px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--ink-900);
  cursor: pointer;
  transition: background 0.18s var(--ease-out), color 0.18s var(--ease-out), border-color 0.18s var(--ease-out);
}

.page-news .filters__pill:hover {
  border-color: var(--gold-700);
  color: var(--gold-700);
}

.page-news .filters__radio:checked + .filters__pill {
  background: var(--gold-500);
  border-color: var(--gold-500);
  color: var(--ink-900);
}

.page-news .filters__radio:focus-visible + .filters__pill {
  outline: 2px solid var(--gold-700);
  outline-offset: 2px;
}

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

.page-news .notice-item {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  column-gap: 12px;
  row-gap: 8px;
  padding: 16px 0;
  border-bottom: 1px dashed var(--line-strong);
}

.page-news .notice-item__num {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--gold-700);
  padding-top: 3px;
}

.page-news .notice-item__title {
  font-size: 15px;
  line-height: 1.65;
  color: var(--ink-900);
}

.page-news .notice-item__meta {
  grid-column: 2;
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.page-news .notice-item__tag {
  font-size: 11px;
  letter-spacing: 0.08em;
  padding: 2px 9px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  color: var(--slate);
  white-space: nowrap;
}

.page-news .notice-item__time {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--slate);
  white-space: nowrap;
}

.page-news #nf-batch:checked ~ .notice-list .notice-item:not(.notice-item--batch),
.page-news #nf-flow:checked ~ .notice-list .notice-item:not(.notice-item--flow),
.page-news #nf-account:checked ~ .notice-list .notice-item:not(.notice-item--account),
.page-news #nf-version:checked ~ .notice-list .notice-item:not(.notice-item--version),
.page-news #nf-report:checked ~ .notice-list .notice-item:not(.notice-item--report) {
  display: none;
}

/* 版本演进 */
.page-news .versions__head .lede {
  max-width: 58ch;
}

.page-news .versions__figure {
  margin: 24px 0 clamp(26px, 4vw, 44px);
}

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

.page-news .ladder__step {
  position: relative;
  padding: 0 0 14px 18px;
  border-left: 1px solid var(--line-strong);
}

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

.page-news .ladder__step::before {
  content: "";
  position: absolute;
  left: -1px;
  top: 0;
  width: 14px;
  height: 2px;
  background: var(--gold-500);
}

.page-news .ver {
  background: var(--paper-100);
  border: 1px solid var(--line);
}

.page-news .ver__summary {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 14px 16px;
  cursor: pointer;
  list-style: none;
}

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

.page-news .ver__tag {
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: 0.04em;
  color: var(--gold-700);
  flex: none;
}

.page-news .ver__name {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  color: var(--ink-900);
  line-height: 1.4;
}

.page-news .ver__summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 16px;
  color: var(--gold-700);
}

.page-news .ver[open] .ver__summary::after {
  content: "−";
}

.page-news .ver__text {
  margin: 0;
  padding: 0 16px 16px;
  font-size: 14px;
  line-height: 1.72;
  color: var(--ink-900);
}

/* 订阅与回看 */
.page-news .subscribe__grid {
  display: grid;
  gap: clamp(26px, 4vw, 44px);
  align-items: start;
}

.page-news .subscribe__lead .lede {
  max-width: 52ch;
}

.page-news .subscribe__note {
  margin: 14px 0 0;
  font-size: 14px;
  line-height: 1.72;
  color: rgba(251, 248, 241, 0.66);
}

.page-news .subscribe__card {
  background: var(--ink-700);
  border: 1px solid var(--line-light);
  padding: 22px 20px;
}

.page-news .subscribe__label {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--gold-500);
}

.page-news .subscribe__mail {
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: clamp(14px, 2.4vw, 17px);
  line-height: 1.5;
  color: var(--paper-50);
  overflow-wrap: anywhere;
  user-select: all;
}

.page-news .subscribe__steps {
  margin: 0;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(251, 248, 241, 0.82);
}

.page-news .subscribe__steps li {
  margin-bottom: 4px;
}

.page-news .subscribe__hint {
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--line-light);
  font-size: 12.5px;
  line-height: 1.6;
  color: rgba(251, 248, 241, 0.6);
}

.page-news .subscribe__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 18px;
  margin-top: clamp(24px, 4vw, 36px);
}

.page-news .subscribe__link {
  color: var(--paper-50);
  text-decoration: none;
  font-size: 14px;
  border-bottom: 1px solid var(--gold-line);
  padding-bottom: 2px;
  transition: color 0.2s var(--ease-out), border-color 0.2s var(--ease-out);
}

.page-news .subscribe__link:hover,
.page-news .subscribe__link:focus-visible {
  color: var(--gold-500);
  border-color: var(--gold-500);
}

.page-news .subscribe__cross {
  margin: 20px 0 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: rgba(251, 248, 241, 0.6);
}

.page-news .subscribe__cross a {
  color: var(--gold-500);
  text-decoration: none;
  border-bottom: 1px solid var(--gold-line);
}

.page-news .subscribe__cross a:hover,
.page-news .subscribe__cross a:focus-visible {
  border-color: var(--gold-500);
}

/* 桌面布局 */
@media (min-width: 760px) {
  .page-news .notice-item {
    grid-template-columns: 44px minmax(0, 1fr) 104px 96px;
    align-items: baseline;
    column-gap: 18px;
    padding: 18px 0;
  }

  .page-news .notice-item__meta {
    display: contents;
  }

  .page-news .notice-item__tag {
    justify-self: start;
  }

  .page-news .notice-item__time {
    justify-self: end;
  }
}

@media (min-width: 900px) {
  .page-news .news-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: clamp(28px, 5vw, 64px);
    align-items: start;
  }

  .page-news .news-hero__index {
    margin-top: 34px;
  }

  .page-news .flow-intro {
    grid-template-columns: minmax(0, 1fr) 300px;
    gap: clamp(32px, 5vw, 64px);
  }

  .page-news .flow {
    padding-left: 8px;
  }

  .page-news .flow__item {
    grid-template-columns: 18px minmax(0, 1fr);
    column-gap: 26px;
  }

  .page-news .flow__item:nth-child(even) .step {
    margin-left: 36px;
  }

  .page-news .step {
    padding: 26px 26px 22px;
  }

  .page-news .states__grid {
    grid-template-columns: minmax(0, 1fr) 340px;
    gap: clamp(36px, 5vw, 64px);
  }

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

  .page-news .ladder {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0 18px;
    align-items: end;
    padding-bottom: 24px;
  }

  .page-news .ladder__step {
    padding: 0;
    border-left: 0;
  }

  .page-news .ladder__step::before {
    left: 0;
    width: 34px;
  }

  .page-news .ladder__step:nth-child(1) { transform: translateY(0); }
  .page-news .ladder__step:nth-child(2) { transform: translateY(calc(var(--news-lift-1) * -1)); }
  .page-news .ladder__step:nth-child(3) { transform: translateY(calc(var(--news-lift-2) * -1)); }
  .page-news .ladder__step:nth-child(4) { transform: translateY(calc(var(--news-lift-3) * -1)); }

  .page-news .ver {
    margin-top: 14px;
  }

  .page-news .subscribe__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 420px);
    gap: clamp(36px, 5vw, 68px);
  }
}

@media (min-width: 1100px) {
  .page-news .step__desc {
    font-size: 15.5px;
  }

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

@media (prefers-reduced-motion: reduce) {
  .page-news .flow__dot--live,
  .page-news .state-item--processing .state-item__dot {
    animation: none;
  }

  .page-news .index-rail__link,
  .page-news .filters__pill,
  .page-news .subscribe__link {
    transition: none;
  }
}
<<<END>>>