.page-news {
  --news-line: rgba(23, 179, 201, .22);
  --news-line-soft: rgba(23, 179, 201, .12);
  --news-line-strong: rgba(14, 124, 140, .42);

  background: var(--sb-cream);
  color: var(--sb-ink);
  font-family: var(--sb-font-body);
  overflow-x: hidden;
  padding-bottom: 72px;
}

/* ---------- 面包屑 ---------- */
.page-news .news-crumb {
  padding-top: 108px;
  padding-bottom: 4px;
}

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  position: relative;
  padding: 32px 0 52px;
}

.page-news .news-hero::before {
  content: "";
  position: absolute;
  top: -220px;
  right: -140px;
  width: min(560px, 92vw);
  height: min(560px, 92vw);
  border-radius: 50%;
  background:
    radial-gradient(circle at 50% 46%, rgba(255, 138, 31, .48) 0%, rgba(255, 194, 75, .22) 42%, rgba(108, 75, 224, 0) 72%);
  filter: blur(4px);
  pointer-events: none;
  animation: news-breathe 8s ease-in-out infinite;
}

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

.page-news .news-hero__eyebrow {
  margin: 0 0 18px;
  font-family: var(--sb-font-mono);
  font-size: 11.5px;
  font-weight: 500;
  letter-spacing: .22em;
  color: var(--sb-lake-deep);
}

.page-news .news-hero__title {
  margin: 0;
  font-family: var(--sb-font-display);
  font-weight: 900;
  font-size: clamp(2.6rem, 11.5vw, 5.4rem);
  line-height: .96;
  letter-spacing: -.02em;
  color: var(--sb-night);
}

.page-news .news-hero__title em {
  font-style: normal;
  color: var(--sb-sun);
}

.page-news .news-hero__lede {
  max-width: 34em;
  margin: 22px 0 0;
  font-size: 17px;
  line-height: 1.78;
  color: var(--sb-muted);
}

.page-news .news-hero__facts {
  list-style: none;
  margin: 30px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--sb-muted);
}

.page-news .news-hero__num {
  display: inline-block;
  margin-right: 8px;
  font-family: var(--sb-font-mono);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .02em;
  color: var(--sb-night);
  border-bottom: 2px solid var(--sb-amber);
}

/* ---------- 侧栏 + 主流 ---------- */
.page-news .news-shell {
  display: grid;
  gap: 8px;
  padding-top: 12px;
}

.page-news .news-rail {
  padding-bottom: 12px;
}

.page-news .news-rail__label {
  margin: 0 0 12px;
  font-family: var(--sb-font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: .2em;
  color: var(--sb-mist);
}

.page-news .news-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 26px;
}

.page-news .news-filter__btn {
  display: inline-block;
  padding: 7px 15px;
  border-radius: 999px;
  border: 1px solid rgba(14, 124, 140, .34);
  background: transparent;
  color: var(--sb-lake-deep);
  font-size: 13px;
  line-height: 1.4;
  text-decoration: none;
  white-space: nowrap;
  transition: background-color .24s var(--sb-ease), border-color .24s var(--sb-ease), color .24s var(--sb-ease);
}

.page-news .news-filter__btn:hover,
.page-news .news-filter__btn:focus-visible {
  background: var(--sb-sun);
  border-color: var(--sb-sun);
  color: var(--sb-white);
}

.page-news .news-filter__btn.is-on {
  background: var(--sb-sun);
  border-color: var(--sb-sun);
  color: var(--sb-white);
  font-weight: 600;
}

.page-news .news-issues {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 14px;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-news .news-issues__link {
  display: inline-block;
  padding-bottom: 4px;
  font-family: var(--sb-font-mono);
  font-size: 12.5px;
  letter-spacing: .04em;
  color: var(--sb-muted);
  text-decoration: none;
  white-space: nowrap;
  border-bottom: 1px solid transparent;
  transition: color .24s var(--sb-ease), border-color .24s var(--sb-ease);
}

.page-news .news-issues__link:hover,
.page-news .news-issues__link[aria-current="true"] {
  color: var(--sb-sun);
  border-bottom-color: var(--sb-sun);
}

/* ---------- 章节 ---------- */
.page-news .news-section {
  padding: 42px 0;
  border-top: 1px solid var(--news-line);
  scroll-margin-top: 92px;
}

.page-news .news-section:first-child {
  border-top: none;
  padding-top: 26px;
}

.page-news .news-section__index {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 14px;
  font-family: var(--sb-font-mono);
  font-size: 11.5px;
  font-weight: 500;
  letter-spacing: .2em;
  color: var(--sb-lake-deep);
}

.page-news .news-section__index::after {
  content: "";
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, var(--news-line-strong), rgba(23, 179, 201, 0));
}

.page-news .news-section__title {
  margin: 0 0 14px;
  font-family: var(--sb-font-display);
  font-weight: 800;
  font-size: clamp(1.55rem, 5.6vw, 2.15rem);
  line-height: 1.22;
  letter-spacing: -.01em;
  color: var(--sb-night);
}

.page-news .news-section__lede {
  max-width: 36em;
  margin: 0 0 26px;
  font-size: 16px;
  line-height: 1.78;
  color: var(--sb-muted);
}

.page-news .news-body {
  margin-bottom: 26px;
}

.page-news .news-body .sb-prose {
  margin: 0 0 1.1em;
}

.page-news .news-note {
  margin: 24px 0 0;
  padding: 14px 18px;
  border-left: 3px solid var(--sb-amber);
  background: rgba(255, 194, 75, .14);
  border-radius: 0 var(--sb-radius-s) var(--sb-radius-s) 0;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--sb-ink);
}

/* ---------- 条目列表 ---------- */
.page-news .news-list {
  display: flex;
  flex-direction: column;
}

.page-news .news-item {
  position: relative;
  padding: 20px 14px 20px 16px;
  border-bottom: 1px solid var(--news-line-soft);
  border-radius: var(--sb-radius-s);
  transition: background-color .28s var(--sb-ease);
}

.page-news .news-item:hover,
.page-news .news-item:focus-within {
  background: rgba(23, 179, 201, .07);
}

.page-news .news-item__meta {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 10px;
}

.page-news .news-item__issue {
  font-family: var(--sb-font-mono);
  font-size: 11.5px;
  letter-spacing: .1em;
  color: var(--sb-mist);
}

.page-news .news-item__title {
  margin: 0 0 8px;
  font-family: var(--sb-font-display);
  font-weight: 700;
  font-size: 1.12rem;
  line-height: 1.45;
  color: var(--sb-night);
}

.page-news .news-item__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.76;
  color: var(--sb-muted);
}

.page-news .news-item__foot {
  margin: 10px 0 0;
  font-family: var(--sb-font-mono);
  font-size: 11.5px;
  letter-spacing: .06em;
  color: var(--sb-mist);
  opacity: 0;
  transform: translateY(-2px);
  transition: opacity .28s var(--sb-ease), transform .28s var(--sb-ease);
}

.page-news .news-item:hover .news-item__foot,
.page-news .news-item:focus-within .news-item__foot {
  opacity: 1;
  transform: translateY(0);
}

/* 重点条目 */
.page-news .news-item--feature {
  display: grid;
  gap: 20px;
  margin-bottom: 24px;
  padding: 22px 18px;
  background: var(--sb-white);
  border: 1px solid rgba(23, 179, 201, .3);
  border-left: 4px solid var(--sb-amber);
  border-radius: var(--sb-radius-m);
  box-shadow: var(--sb-shadow-card);
}

.page-news .news-item--feature:hover {
  background: var(--sb-white);
  box-shadow: var(--sb-shadow-card-hover);
}

.page-news .news-item--feature .news-item__title {
  font-size: 1.3rem;
}

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

.page-news .news-list--compact .news-item {
  padding: 18px 14px 18px 16px;
}

/* ---------- 分类标签 ---------- */
.page-news .news-tag {
  display: inline-block;
  padding: 3px 11px;
  border-radius: 999px;
  font-size: 11.5px;
  font-weight: 600;
  line-height: 1.6;
  letter-spacing: .08em;
}

.page-news .news-tag--event {
  background: rgba(255, 138, 31, .18);
  color: #94490A;
}

.page-news .news-tag--rule {
  background: rgba(23, 179, 201, .16);
  color: #0A5F6C;
}

.page-news .news-tag--member {
  background: rgba(255, 194, 75, .3);
  color: #7A5000;
}

.page-news .news-tag--version {
  background: rgba(108, 75, 224, .14);
  color: #4A31A5;
}

.page-news .news-tag--ops {
  background: rgba(154, 163, 191, .24);
  color: #454B63;
}

/* ---------- 步骤 ---------- */
.page-news .news-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 18px;
}

.page-news .news-step {
  position: relative;
  padding: 18px 18px 18px 22px;
  background: var(--sb-white);
  border: 1px solid rgba(23, 179, 201, .26);
  border-radius: var(--sb-radius-m);
  transition: transform .28s var(--sb-ease), box-shadow .28s var(--sb-ease);
}

.page-news .news-step:hover {
  transform: translateY(-4px);
  box-shadow: var(--sb-shadow-card);
}

.page-news .news-step__num {
  display: block;
  margin-bottom: 8px;
  font-family: var(--sb-font-mono);
  font-size: 22px;
  font-weight: 600;
  line-height: 1;
  letter-spacing: .04em;
  color: var(--sb-sun);
}

.page-news .news-step__title {
  margin: 0 0 8px;
  font-family: var(--sb-font-display);
  font-weight: 700;
  font-size: 1.02rem;
  line-height: 1.45;
  color: var(--sb-night);
}

.page-news .news-step__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.74;
  color: var(--sb-muted);
}

/* ---------- 版本时间线 ---------- */
.page-news .news-track {
  list-style: none;
  margin: 0 0 32px;
  padding: 4px 0 4px 26px;
  border-left: 2px solid rgba(23, 179, 201, .34);
  display: grid;
  gap: 26px;
}

.page-news .news-track__item {
  position: relative;
}

.page-news .news-track__item::before {
  content: "";
  position: absolute;
  left: -33px;
  top: 5px;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--sb-sun);
  box-shadow: 0 0 0 4px rgba(255, 138, 31, .18);
}

.page-news .news-track__when {
  margin: 0 0 6px;
  font-family: var(--sb-font-mono);
  font-size: 11.5px;
  letter-spacing: .16em;
  color: var(--sb-lake-deep);
}

.page-news .news-track__title {
  margin: 0 0 8px;
  font-family: var(--sb-font-display);
  font-weight: 700;
  font-size: 1.08rem;
  line-height: 1.45;
  color: var(--sb-night);
}

.page-news .news-track__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.76;
  color: var(--sb-muted);
}

/* ---------- 图片与展签 ---------- */
.page-news .news-figure {
  margin: 0;
}

.page-news .news-figure .sb-media__caption {
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--sb-mist);
}

.page-news .news-item__media .sb-media__img,
.page-news .news-figure .sb-media__img,
.page-news .news-follow__figure .sb-media__img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: var(--sb-radius-m);
  object-fit: cover;
}

/* ---------- 主题季 ---------- */
.page-news .news-season {
  display: grid;
  gap: 16px;
  margin-bottom: 30px;
}

.page-news .news-season__card {
  padding: 20px 18px;
  border-radius: var(--sb-radius-m);
  background: linear-gradient(160deg, rgba(26, 32, 80, .96) 0%, rgba(13, 16, 48, .98) 100%);
  color: var(--sb-cream);
  transition: transform .28s var(--sb-ease);
}

.page-news .news-season__card:hover {
  transform: translateY(-4px);
}

.page-news .news-season__no {
  margin: 0 0 10px;
  font-family: var(--sb-font-mono);
  font-size: 11.5px;
  letter-spacing: .18em;
  color: var(--sb-amber);
}

.page-news .news-season__title {
  margin: 0 0 8px;
  font-family: var(--sb-font-display);
  font-weight: 800;
  font-size: 1.2rem;
  line-height: 1.35;
  color: var(--sb-white);
}

.page-news .news-season__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.74;
  color: rgba(247, 242, 232, .78);
}

/* ---------- 回访章节 ---------- */
.page-news .news-section--follow {
  border-top: 1px solid var(--news-line);
}

.page-news .news-follow {
  display: grid;
  gap: 26px;
}

.page-news .news-follow__body .sb-prose {
  margin: 0 0 1.05em;
}

.page-news .news-follow__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 22px 0 20px;
}

.page-news .news-follow__meta {
  margin: 0 0 6px;
  font-size: 14px;
  line-height: 1.72;
  color: var(--sb-muted);
}

.page-news .news-follow__link {
  color: var(--sb-lake-deep);
  font-weight: 600;
  text-decoration: none;
  border-bottom: 1px solid rgba(14, 124, 140, .4);
  transition: color .24s var(--sb-ease), border-color .24s var(--sb-ease);
}

.page-news .news-follow__link:hover,
.page-news .news-follow__link:focus-visible {
  color: var(--sb-sun);
  border-bottom-color: var(--sb-sun);
}

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

/* ---------- 动效 ---------- */
@keyframes news-breathe {
  0%, 100% { opacity: .55; }
  50% { opacity: .85; }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-hero::before {
    animation: none;
    opacity: .7;
  }
  .page-news .news-item,
  .page-news .news-step,
  .page-news .news-season__card,
  .page-news .news-item__foot {
    transition: none;
  }
}

/* ---------- 窄屏触屏：阅读时长常显 ---------- */
@media (hover: none) {
  .page-news .news-item__foot {
    opacity: .68;
    transform: none;
  }
}

/* ---------- 平板 ---------- */
@media (min-width: 620px) {
  .page-news .news-hero {
    padding: 44px 0 64px;
  }

  .page-news .news-hero__facts {
    grid-template-columns: repeat(3, auto);
    justify-content: start;
    gap: 30px;
  }

  .page-news .news-step {
    padding: 22px 24px 22px 26px;
  }

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

  .page-news .news-steps {
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
  }

  .page-news .news-item--feature {
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: 26px;
  }

  .page-news .news-item--feature .news-item__title {
    font-size: 1.45rem;
  }

  .page-news .news-issues {
    flex-wrap: wrap;
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 900px) {
  .page-news {
    padding-bottom: 96px;
  }

  .page-news .news-crumb {
    padding-top: 132px;
  }

  .page-news .news-hero__lede {
    font-size: 18px;
    margin-left: 8%;
  }

  .page-news .news-hero__eyebrow {
    margin-left: 8%;
  }

  .page-news .news-hero__facts {
    margin-left: 8%;
  }

  .page-news .news-hero::before {
    top: -260px;
    right: -60px;
  }

  .page-news .news-shell {
    grid-template-columns: 216px 1fr;
    gap: 56px;
    padding-top: 24px;
  }

  .page-news .news-rail {
    position: sticky;
    top: 96px;
    align-self: start;
    padding-bottom: 0;
  }

  .page-news .news-filter {
    flex-direction: column;
    align-items: flex-start;
    gap: 9px;
    margin-bottom: 34px;
  }

  .page-news .news-filter__btn {
    width: 100%;
    text-align: left;
  }

  .page-news .news-issues {
    flex-direction: column;
    gap: 11px;
    overflow-x: visible;
  }

  .page-news .news-item {
    padding: 24px 20px 24px 22px;
  }

  .page-news .news-item__title {
    font-size: 1.18rem;
  }

  .page-news .news-item--feature {
    padding: 30px 28px;
  }

  .page-news .news-follow {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
    align-items: start;
    gap: 48px;
  }

  .page-news .news-season {
    grid-template-columns: repeat(4, 1fr);
  }

  .page-news .news-track {
    padding-left: 30px;
  }

  .page-news .news-track__item::before {
    left: -37px;
  }

  .page-news .news-section__lede {
    margin-left: 0;
  }
}
<<<END>>>