.page-news {
  background-color: var(--sea);
  color: var(--mist);
  overflow-x: hidden;
}

.page-news > .container:first-child {
  padding-top: clamp(20px, 4vw, 32px);
}

.page-news h2 {
  margin: 0.6rem 0 0;
  font-size: clamp(24px, 3.4vw, 38px);
  line-height: 1.2;
  letter-spacing: -0.02em;
  font-weight: 700;
  color: var(--mist);
}

.page-news h3 {
  margin: 0.5rem 0 0;
  font-size: clamp(17px, 1.9vw, 20px);
  line-height: 1.38;
  letter-spacing: -0.01em;
  color: var(--mist);
}

.page-news .lede {
  margin-top: 1.1rem;
  max-width: 34em;
  color: var(--mist-2);
  font-size: clamp(15px, 1.7vw, 18px);
  line-height: 1.78;
}

.page-news .media-frame img {
  display: block;
  width: 100%;
  max-width: 100%;
  object-fit: cover;
}

/* ---------- 首屏封面 ---------- */
.page-news .news-masthead {
  position: relative;
  padding-block: clamp(26px, 5vw, 54px) clamp(40px, 7vw, 84px);
  border-bottom: 4px solid var(--edge);
  background:
    radial-gradient(120% 92% at 10% 112%, rgba(47, 227, 200, 0.15), transparent 62%),
    radial-gradient(88% 70% at 90% -4%, rgba(216, 178, 90, 0.12), transparent 64%),
    var(--sea);
}

.page-news .news-masthead__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 5vw, 48px);
  align-items: end;
}

.page-news .news-masthead__title {
  margin: 0.55rem 0 0;
  max-width: 15em;
  font-size: clamp(32px, 7vw, 66px);
  line-height: 1.06;
  letter-spacing: -0.025em;
  font-weight: 700;
  color: var(--mist);
}

.page-news .news-masthead__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.7rem 1rem;
  margin-top: clamp(18px, 3vw, 26px);
}

.page-news .news-masthead__ver {
  color: var(--cyan);
  font-size: 0.9rem;
  letter-spacing: 0.1em;
  padding-left: 0.9rem;
  border-left: 2px solid var(--edge);
}

.page-news .news-masthead__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(20px, 3.4vw, 32px);
}

.page-news .news-masthead__media {
  margin: 0;
  box-shadow: var(--shadow-hard);
}

.page-news .news-masthead__media .media-frame__caption {
  color: var(--mist-3);
}

/* ---------- 目录索引 ---------- */
.page-news .news-toc {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  margin-top: clamp(30px, 6vw, 68px);
  border-top: 2px solid var(--edge);
  border-bottom: 2px solid var(--edge);
}

.page-news .news-toc__item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  grid-template-areas:
    "idx label"
    "idx note";
  gap: 0.15rem 0.9rem;
  padding: 0.95rem 0.55rem;
  border-bottom: 1px solid var(--edge);
  color: var(--mist);
  text-decoration: none;
  transition: background var(--t), padding-left var(--t);
}

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

.page-news .news-toc__idx {
  grid-area: idx;
  align-self: start;
  padding-top: 0.22rem;
  color: var(--gold);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  transition: color var(--t);
}

.page-news .news-toc__label {
  grid-area: label;
  font-weight: 600;
  font-size: 1.02rem;
  letter-spacing: -0.01em;
}

.page-news .news-toc__note {
  grid-area: note;
  color: var(--mist-3);
  font-size: 0.8125rem;
  line-height: 1.55;
}

.page-news .news-toc__item:hover,
.page-news .news-toc__item:focus-visible {
  background: rgba(16, 58, 85, 0.9);
  padding-left: 1.15rem;
  outline: none;
}

.page-news .news-toc__item:hover .news-toc__idx,
.page-news .news-toc__item:focus-visible .news-toc__idx {
  color: var(--cyan);
}

/* ---------- 章节头 ---------- */
.page-news .news-head {
  max-width: 46rem;
}

.page-news .news-head__intro {
  margin: 0.9rem 0 0;
  color: var(--mist-2);
  font-size: 0.95rem;
  line-height: 1.78;
}

/* ---------- 版本日志 ---------- */
.page-news .news-log {
  border-top: 4px solid var(--gold);
}

.page-news .news-log__cover {
  margin: clamp(24px, 4vw, 40px) 0 clamp(20px, 3.4vw, 32px);
  box-shadow: var(--shadow-soft);
}

.page-news .news-log__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

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

.page-news .news-log__fold {
  border: 2px solid var(--edge);
  background: var(--panel);
  box-shadow: var(--shadow-soft);
  transition: border-color var(--t), transform var(--t);
}

.page-news .news-log__fold:hover {
  border-color: rgba(47, 227, 200, 0.7);
  transform: translateX(3px);
}

.page-news .news-log__fold[open] {
  border-color: var(--cyan);
}

.page-news .news-log__summary {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4rem 0.85rem;
  padding: 0.95rem 1.1rem;
  cursor: pointer;
  list-style: none;
}

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

.page-news .news-log__batch {
  color: var(--gold);
  font-size: 0.82rem;
  letter-spacing: 0.07em;
}

.page-news .news-log__fold[open] .news-log__batch {
  color: var(--cyan);
}

.page-news .news-log__title {
  order: 3;
  flex: 1 1 100%;
  font-weight: 600;
  font-size: 0.98rem;
  line-height: 1.45;
  color: var(--mist);
}

.page-news .news-log__stage {
  margin-left: auto;
  color: var(--mist-3);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  white-space: nowrap;
}

.page-news .news-log__body {
  padding: 0 1.1rem 1.15rem;
}

.page-news .news-log__body p {
  margin: 0;
  padding-top: 0.9rem;
  border-top: 1px dashed var(--edge);
  color: var(--mist-2);
  font-size: 0.9rem;
  line-height: 1.76;
}

.page-news .news-log__link {
  display: inline-block;
  margin-top: 0.85rem;
  padding-bottom: 2px;
  color: var(--cyan);
  font-size: 0.85rem;
  text-decoration: none;
  border-bottom: 1px solid rgba(47, 227, 200, 0.45);
}

.page-news .news-log__link:hover {
  color: var(--mist);
  border-bottom-color: var(--mist);
}

/* ---------- 账户与入口指南 ---------- */
.page-news .news-guides {
  border-top: 4px solid var(--edge);
  background: var(--ship);
}

.page-news .news-guides__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 5vw, 56px);
}

.page-news .news-guides__media {
  margin: 0;
  box-shadow: var(--shadow-soft);
}

.page-news .news-guides__index {
  list-style: none;
  margin: clamp(18px, 3vw, 24px) 0 0;
  padding: 0;
  display: grid;
  gap: 6px;
}

.page-news .news-guides__index-item {
  position: relative;
  padding: 0.7rem 0.85rem 0.7rem 1.75rem;
  border: 1px solid var(--edge);
  background: rgba(16, 58, 85, 0.5);
  color: var(--mist);
  font-size: 0.875rem;
  line-height: 1.6;
}

.page-news .news-guides__index-item::before {
  content: "";
  position: absolute;
  left: 0.75rem;
  top: 1.28rem;
  width: 0.5rem;
  height: 2px;
  background: var(--gold);
}

.page-news .news-guides__intro {
  margin: 0.9rem 0 0;
  color: var(--mist-2);
  font-size: 0.95rem;
  line-height: 1.78;
}

.page-news .news-guides__steps {
  list-style: none;
  counter-reset: guide-step;
  margin: clamp(20px, 3.2vw, 30px) 0 0;
  padding: 0;
  display: grid;
}

.page-news .news-guides__step {
  counter-increment: guide-step;
  position: relative;
  padding: 1rem 0 1rem 3.3rem;
  border-top: 1px solid var(--edge);
}

.page-news .news-guides__step:last-child {
  border-bottom: 1px solid var(--edge);
}

.page-news .news-guides__step::before {
  content: counter(guide-step, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 1.1rem;
  font-family: var(--font-mono);
  font-size: 0.88rem;
  letter-spacing: 0.06em;
  color: var(--gold);
}

.page-news .news-guides__step-title {
  display: block;
  font-weight: 600;
  font-size: 1rem;
  color: var(--mist);
}

.page-news .news-guides__step-text {
  display: block;
  margin-top: 0.3rem;
  color: var(--mist-2);
  font-size: 0.9rem;
  line-height: 1.72;
}

.page-news .news-guides__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(20px, 3.2vw, 28px);
}

/* ---------- 服务公告与专题 ---------- */
.page-news .news-bulletins {
  border-top: 3px solid var(--cyan);
}

.page-news .news-bulletins__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  margin-top: clamp(24px, 4vw, 42px);
  align-items: start;
}

.page-news .news-bulletins__item {
  padding: 1.1rem 1.2rem 1.3rem;
  box-shadow: var(--shadow-soft);
  transition: transform var(--t);
}

.page-news .news-bulletins__item:hover {
  transform: translateY(-3px);
}

.page-news .news-bulletins__no {
  display: block;
  color: var(--gold);
  font-size: 0.72rem;
  letter-spacing: 0.11em;
}

.page-news .news-bulletins__item p {
  margin: 0.55rem 0 0;
  color: var(--mist-2);
  font-size: 0.895rem;
  line-height: 1.74;
}

/* ---------- 归档节奏 ---------- */
.page-news .news-archive {
  border-top: 4px solid var(--edge);
  background: var(--ship);
}

.page-news .news-archive__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 5vw, 56px);
  align-items: start;
}

.page-news .news-archive__intro {
  margin: 0.9rem 0 0;
  color: var(--mist-2);
  font-size: 0.95rem;
  line-height: 1.78;
}

.page-news .news-archive__list {
  list-style: none;
  margin: clamp(18px, 3vw, 26px) 0 0;
  padding: 0;
  display: grid;
  gap: 0.7rem;
}

.page-news .news-archive__list li {
  position: relative;
  padding-left: 1.4rem;
  color: var(--mist-2);
  font-size: 0.915rem;
  line-height: 1.72;
}

.page-news .news-archive__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.66em;
  width: 0.55rem;
  height: 2px;
  background: var(--cyan);
}

.page-news .news-archive__note {
  margin: clamp(22px, 3.4vw, 32px) 0 0;
  padding: 0.95rem 1.1rem;
  border-left: 4px solid var(--amber);
  background: rgba(232, 148, 58, 0.09);
  color: var(--mist);
  font-size: 0.9rem;
  line-height: 1.72;
}

.page-news .news-archive__links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: clamp(20px, 3vw, 28px);
}

.page-news .news-archive__media {
  margin: 0;
  box-shadow: var(--shadow-hard);
}

/* ---------- 断点 ---------- */
@media (min-width: 720px) {
  .page-news .news-toc {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-news .news-toc__item:nth-child(odd) {
    padding-right: 1.4rem;
    border-right: 1px solid var(--edge);
  }

  .page-news .news-toc__item:nth-last-child(2) {
    border-bottom: 0;
  }
}

@media (min-width: 780px) {
  .page-news .news-log__summary {
    flex-wrap: nowrap;
  }

  .page-news .news-log__title {
    order: 0;
    flex: 1 1 auto;
  }

  .page-news .news-bulletins__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
  }

  .page-news .news-bulletins__item:nth-child(even) {
    margin-top: 28px;
  }
}

@media (min-width: 920px) {
  .page-news .news-masthead__grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
  }

  .page-news .news-masthead__media {
    margin-top: clamp(20px, 4vw, 52px);
  }

  .page-news .news-guides__grid {
    grid-template-columns: minmax(0, 0.84fr) minmax(0, 1.16fr);
    align-items: start;
  }

  .page-news .news-archive__grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
  }

  .page-news .news-archive__media {
    margin-top: clamp(16px, 3vw, 44px);
  }
}

@media (min-width: 1040px) {
  .page-news .news-toc {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-news .news-toc__item {
    padding: 1.1rem 1.1rem 1.15rem 0.4rem;
    border-bottom: 0;
  }

  .page-news .news-toc__item:nth-child(odd) {
    border-right: 1px solid var(--edge);
  }

  .page-news .news-toc__item:not(:last-child) {
    border-right: 1px solid var(--edge);
  }

  .page-news .news-log__cover {
    max-width: 880px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-toc__item,
  .page-news .news-log__fold,
  .page-news .news-bulletins__item {
    transition: none;
  }

  .page-news .news-log__fold:hover,
  .page-news .news-bulletins__item:hover {
    transform: none;
  }
}
<<<END>>>