.page-news {
  --news-rule: 1px solid var(--line);
  display: block;
  background: var(--ink);
  color: var(--text);
  padding-bottom: 88px;
  overflow-x: hidden;
}

.page-news > section,
.page-news > header,
.page-news > nav.breadcrumbs {
  width: 100%;
  max-width: var(--shell);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

/* ---------- 面包屑 ---------- */
.page-news .breadcrumbs {
  padding-top: 20px;
  padding-bottom: 4px;
}
.page-news .breadcrumbs__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--muted);
}
.page-news .breadcrumbs__item {
  display: flex;
  align-items: center;
  gap: 6px;
}
.page-news .breadcrumbs__item + .breadcrumbs__item::before {
  content: "/";
  color: var(--line);
}
.page-news .breadcrumbs__link {
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  padding-bottom: 1px;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}
.page-news .breadcrumbs__link:hover,
.page-news .breadcrumbs__link:focus-visible {
  color: var(--cyan);
  border-color: var(--cyan);
}

/* ---------- 报头 ---------- */
.page-news .news-masthead {
  position: relative;
  padding-top: 26px;
  padding-bottom: 34px;
  border-bottom: var(--news-rule);
}
.page-news .news-masthead::after {
  content: "";
  position: absolute;
  left: var(--gutter);
  right: var(--gutter);
  bottom: -1px;
  height: 2px;
  background: linear-gradient(90deg, var(--violet), var(--cyan) 42%, transparent 78%);
  opacity: 0.9;
}
.page-news .eyebrow {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--cyan);
}
.page-news .news-masthead__title {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(34px, 8vw, 66px);
  line-height: 1.06;
  letter-spacing: -0.02em;
  color: var(--text);
}
.page-news .news-masthead__lead {
  margin: 18px 0 0;
  max-width: 34em;
  font-size: 15px;
  line-height: 1.85;
  color: var(--muted);
}
.page-news .news-masthead__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 24px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
  font-size: 13px;
  color: var(--muted);
}
.page-news .news-masthead__meta .mono {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--gold);
  letter-spacing: 0.04em;
}

/* ---------- 过滤开关 ---------- */
.page-news .filter-radio {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: 0;
  opacity: 0;
  pointer-events: none;
  clip-path: inset(50%);
}

/* ---------- 头条 ---------- */
.page-news .news-headline {
  margin-top: 34px;
}
.page-news .headline-card {
  display: grid;
  overflow: hidden;
  background: linear-gradient(155deg, var(--panel) 0%, var(--ink-deep) 100%);
  border: 1px solid var(--line);
  clip-path: polygon(0 0, calc(100% - var(--cut)) 0, 100% var(--cut), 100% 100%, 0 100%);
}
.page-news .headline-card__text {
  padding: 24px 20px 28px;
}
.page-news .paper-tag {
  display: inline-block;
  margin: 0;
  padding: 5px 10px;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
}
.page-news .headline-card h2 {
  margin: 16px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(23px, 5.4vw, 38px);
  line-height: 1.22;
  letter-spacing: -0.01em;
}
.page-news .headline-card__conclusion {
  margin: 14px 0 0;
  max-width: 34em;
  font-size: 15px;
  line-height: 1.85;
  color: var(--muted);
}
.page-news .headline-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 16px 34px;
  margin: 22px 0 0;
  padding: 18px 0 0;
  border-top: var(--news-rule);
}
.page-news .headline-stat {
  margin: 0;
}
.page-news .headline-stat dt {
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--muted);
}
.page-news .headline-stat dd {
  margin: 6px 0 0;
  font-family: var(--font-mono);
  font-size: 30px;
  line-height: 1.05;
  color: var(--gold);
}
.page-news .headline-stat__unit {
  margin-left: 3px;
  font-size: 13px;
  color: var(--muted);
}
.page-news .headline-card .btn {
  margin-top: 24px;
}
.page-news .headline-card__media {
  margin: 0;
  border-top: var(--news-rule);
}
.page-news .headline-card__media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: 100%;
  object-fit: cover;
  aspect-ratio: 10 / 7;
}

/* ---------- 分类索引 ---------- */
.page-news .news-index {
  margin-top: 48px;
}
.page-news .news-index__head {
  display: grid;
  gap: 8px;
}
.page-news .news-index h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(21px, 4.6vw, 30px);
  line-height: 1.25;
  letter-spacing: -0.01em;
}
.page-news .news-index__hint {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}
.page-news .index-reset {
  color: var(--cyan);
  cursor: pointer;
  border-bottom: 1px dashed var(--cyan);
  padding-bottom: 1px;
}
.page-news .index-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  margin-top: 20px;
  background: var(--line);
  border: 1px solid var(--line);
}
.page-news .index-card {
  --news-cat: var(--muted);
  display: grid;
  gap: 6px;
  padding: 16px 16px 20px;
  background: var(--ink-deep);
  border-top: 3px solid var(--news-cat);
  cursor: pointer;
  transition: background 0.2s var(--ease), transform 0.2s var(--ease);
}
.page-news .index-card--round { --news-cat: var(--violet); }
.page-news .index-card--data { --news-cat: var(--cyan); }
.page-news .index-card--update { --news-cat: var(--gold); }
.page-news .index-card--guide { --news-cat: var(--muted); }
.page-news .index-card:hover {
  background: var(--panel);
}
.page-news .index-card__num {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--gold);
}
.page-news .index-card__name {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  color: var(--text);
}
.page-news .index-card__desc {
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}
.page-news .index-card__freq {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--news-cat);
}

.page-news #f-round:checked ~ .news-index .index-card--round,
.page-news #f-data:checked ~ .news-index .index-card--data,
.page-news #f-update:checked ~ .news-index .index-card--update,
.page-news #f-guide:checked ~ .news-index .index-card--guide {
  background: var(--panel);
  box-shadow: inset 0 0 0 1px var(--cyan);
}
.page-news #f-round:focus-visible ~ .news-index .index-card--round,
.page-news #f-data:focus-visible ~ .news-index .index-card--data,
.page-news #f-update:focus-visible ~ .news-index .index-card--update,
.page-news #f-guide:focus-visible ~ .news-index .index-card--guide,
.page-news #f-all:focus-visible ~ .news-index .index-reset {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

/* ---------- 文章列表 ---------- */
.page-news .news-posts {
  margin-top: 48px;
}
.page-news .news-posts h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(21px, 4.6vw, 30px);
  line-height: 1.25;
  letter-spacing: -0.01em;
}
.page-news .post-list {
  display: grid;
  gap: 0;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
  border-top: var(--news-rule);
}
.page-news .post-item {
  --news-cat: var(--muted);
  padding: 16px 0 18px 16px;
  border-bottom: var(--news-rule);
  border-left: 4px solid var(--news-cat);
  transition: background 0.2s var(--ease);
}
.page-news .post-item[data-cat="round"] { --news-cat: var(--violet); }
.page-news .post-item[data-cat="data"] { --news-cat: var(--cyan); }
.page-news .post-item[data-cat="update"] { --news-cat: var(--gold); }
.page-news .post-item[data-cat="guide"] { --news-cat: var(--muted); }
.page-news .post-item:hover,
.page-news .post-item:focus-within {
  background: rgba(123, 92, 255, 0.07);
}
.page-news .post-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 0 0 8px;
}
.page-news .post-cat {
  padding: 3px 8px;
  border: 1px solid var(--news-cat);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--news-cat);
}
.page-news .post-time {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--muted);
}
.page-news .post-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  line-height: 1.45;
  color: var(--text);
}
.page-news .post-summary {
  margin: 8px 0 0;
  max-width: 40em;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

.page-news #f-round:checked ~ .news-posts .post-item:not([data-cat="round"]),
.page-news #f-data:checked ~ .news-posts .post-item:not([data-cat="data"]),
.page-news #f-update:checked ~ .news-posts .post-item:not([data-cat="update"]),
.page-news #f-guide:checked ~ .news-posts .post-item:not([data-cat="guide"]) {
  display: none;
}

/* ---------- 功能更新条 ---------- */
.page-news .news-updates {
  margin-top: 48px;
}
.page-news .updates-card {
  display: grid;
  background: var(--ink-deep);
  border: 1px solid var(--line);
}
.page-news .updates-card__media {
  margin: 0;
  border-bottom: var(--news-rule);
}
.page-news .updates-card__media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: 100%;
  object-fit: cover;
  aspect-ratio: 10 / 7;
}
.page-news .updates-card__text {
  padding: 22px 20px 24px;
}
.page-news .updates-card h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(19px, 4.2vw, 26px);
  line-height: 1.35;
  letter-spacing: -0.01em;
}
.page-news .updates-list {
  display: grid;
  gap: 12px;
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
}
.page-news .updates-list li {
  display: grid;
  grid-template-columns: 28px 1fr;
  gap: 10px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}
.page-news .updates-list .mono {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--gold);
}
.page-news .updates-card .btn {
  margin-top: 20px;
}

/* ---------- 专题 ---------- */
.page-news .news-topics {
  margin-top: 56px;
}
.page-news .news-topics h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(21px, 4.6vw, 30px);
  line-height: 1.25;
  letter-spacing: -0.01em;
}
.page-news .news-topics__lead {
  margin: 10px 0 0;
  max-width: 38em;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
}
.page-news .news-topics__lead a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
}
.page-news .news-topics__lead a:hover {
  border-color: var(--cyan);
}
.page-news .topics-banner {
  margin: 22px 0 0;
  border: 1px solid var(--line);
}
.page-news .topics-banner img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 1400 / 620;
  object-fit: cover;
}
.page-news .topic-grid {
  display: grid;
  gap: 18px;
  margin-top: 22px;
}
.page-news .topic-card {
  padding: 20px 18px 22px;
  background: var(--panel);
  border: 1px solid var(--line);
  transition: transform 0.32s var(--ease), border-color 0.32s var(--ease);
}
.page-news .topic-card__tag {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--gold);
}
.page-news .topic-card h3 {
  margin: 8px 0 0;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 800;
  line-height: 1.35;
  color: var(--text);
}
.page-news .topic-card p {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}
.page-news .topic-more {
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px dashed var(--line);
}
.page-news .topic-more summary {
  cursor: pointer;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--cyan);
}
.page-news .topic-more summary::-webkit-details-marker {
  display: none;
}
.page-news .topic-more summary::before {
  content: "+ ";
}
.page-news .topic-more[open] summary::before {
  content: "− ";
}
.page-news .topic-episodes {
  display: grid;
  gap: 8px;
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
}
.page-news .topic-episodes li {
  display: grid;
  grid-template-columns: 26px 1fr;
  gap: 8px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--muted);
}
.page-news .topic-episodes .mono {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--violet);
}

/* ---------- 连看建议 ---------- */
.page-news .news-watch {
  margin-top: 56px;
}
.page-news .news-watch h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(21px, 4.6vw, 30px);
  line-height: 1.25;
  letter-spacing: -0.01em;
}
.page-news .watch-grid {
  display: grid;
  gap: 22px;
  margin-top: 20px;
}
.page-news .watch-media {
  margin: 0;
  border: 1px solid var(--line);
}
.page-news .watch-media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: 100%;
  object-fit: cover;
  aspect-ratio: 3 / 2;
}
.page-news .watch-lead {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--text);
}
.page-news .watch-steps {
  display: grid;
  gap: 0;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}
.page-news .watch-step {
  display: grid;
  grid-template-columns: 52px 1fr;
  gap: 12px;
  padding: 16px 0;
  border-bottom: var(--news-rule);
}
.page-news .watch-step:first-child {
  border-top: var(--news-rule);
}
.page-news .watch-step__num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--gold);
}
.page-news .watch-step h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--text);
}
.page-news .watch-step p {
  margin: 6px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}
.page-news .watch-note {
  margin: 18px 0 0;
  font-size: 13px;
  line-height: 1.8;
  color: var(--muted);
}
.page-news .watch-note a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  margin-left: 4px;
}
.page-news .watch-note a:hover {
  border-color: var(--cyan);
}

/* ---------- 收尾 ---------- */
.page-news .news-signoff {
  margin-top: 52px;
}
.page-news .signoff-card {
  padding: 22px 20px;
  background: var(--paper);
  color: var(--ink);
  clip-path: polygon(0 0, calc(100% - var(--cut)) 0, 100% var(--cut), 100% 100%, 0 100%);
}
.page-news .signoff-card h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(19px, 4.2vw, 26px);
  line-height: 1.3;
  letter-spacing: -0.01em;
}
.page-news .signoff-card__text p {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: rgba(7, 11, 24, 0.72);
}
.page-news .signoff-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 16px;
}
.page-news .signoff-links .btn {
  border-color: var(--ink);
  color: var(--ink);
}

/* ---------- 返回顶部 ---------- */
.page-news .to-top {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  margin: 40px auto 0;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: var(--panel);
  color: var(--cyan);
  text-decoration: none;
}
.page-news .to-top__arrow {
  font-size: 16px;
  line-height: 1;
}
.page-news .to-top:hover {
  border-color: var(--cyan);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-news .index-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .page-news .news-masthead__lead {
    font-size: 16px;
  }
}

@media (min-width: 900px) {
  .page-news .headline-card {
    grid-template-columns: 1.15fr 0.85fr;
    align-items: stretch;
  }
  .page-news .headline-card__text {
    padding: 30px 28px 32px;
  }
  .page-news .headline-card__media {
    border-top: 0;
    border-left: var(--news-rule);
  }
  .page-news .headline-card__media img {
    aspect-ratio: auto;
  }
  .page-news .index-grid {
    grid-template-columns: repeat(4, 1fr);
  }
  .page-news .post-item {
    display: grid;
    grid-template-columns: 148px 1fr;
    gap: 0 26px;
    padding: 20px 0 20px 22px;
  }
  .page-news .post-meta {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
    margin: 0;
  }
  .page-news .post-title {
    font-size: 19px;
  }
  .page-news .updates-card {
    grid-template-columns: 0.9fr 1.1fr;
    align-items: stretch;
  }
  .page-news .updates-card__media {
    border-bottom: 0;
    border-right: var(--news-rule);
  }
  .page-news .updates-card__media img {
    aspect-ratio: auto;
  }
  .page-news .updates-card__text {
    padding: 26px 26px 28px;
  }
  .page-news .topic-grid {
    grid-template-columns: 1fr 1fr;
    gap: 30px;
  }
  .page-news .topic-card--a {
    transform: rotate(-1.2deg);
  }
  .page-news .topic-card--b {
    transform: rotate(0.8deg);
  }
  .page-news .topic-card--a:hover,
  .page-news .topic-card--b:hover,
  .page-news .topic-card--a:focus-within,
  .page-news .topic-card--b:focus-within {
    transform: rotate(0deg) translateY(-4px);
    border-color: var(--cyan);
  }
  .page-news .watch-grid {
    grid-template-columns: 0.85fr 1.15fr;
    gap: 38px;
    align-items: start;
  }
  .page-news .watch-media img {
    aspect-ratio: auto;
    min-height: 320px;
  }
  .page-news .signoff-card {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    padding: 26px 28px;
  }
  .page-news .signoff-links {
    margin-top: 0;
    flex-wrap: nowrap;
  }
}

@media (min-width: 1100px) {
  .page-news .news-masthead {
    padding-top: 34px;
    padding-bottom: 44px;
  }
  .page-news .news-masthead__title {
    max-width: 18ch;
  }
  .page-news .headline-card__text {
    padding: 36px 34px 36px;
  }
}
<<<END>>>