.page-news {
  --tone-blue: #6FB4FF;
  display: block;
  overflow-x: clip;
  padding-bottom: 30px;
}

/* ---------- 首屏 ---------- */
.page-news .news-head {
  padding: 18px 0 38px;
  border-bottom: 1px solid var(--line);
}

.page-news .news-head h1 {
  margin: 14px 0 16px;
  font-size: clamp(34px, 8vw, 54px);
  line-height: 1.06;
  letter-spacing: -.01em;
  color: var(--white);
}

.page-news .news-head .lede {
  max-width: 60ch;
  margin: 0;
  font-size: 16.5px;
  line-height: 1.85;
  color: var(--muted);
}

.page-news .news-head__beats {
  display: grid;
  gap: 20px;
  margin: 30px 0 0;
  padding-top: 26px;
  border-top: 1px dashed var(--line);
}

.page-news .news-head__beats dt {
  margin: 0 0 8px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--cyan);
}

.page-news .news-head__beats dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--muted);
}

/* ---------- 置顶专题 ---------- */
.page-news .topic-feature {
  margin-top: 52px;
}

.page-news .topic-feature__frame {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  box-shadow: var(--shadow);
}

.page-news .topic-feature__frame::after {
  content: "";
  position: absolute;
  left: -6%;
  right: -6%;
  bottom: -34px;
  height: 88px;
  background: var(--ink);
  transform: rotate(-3deg);
  transform-origin: center bottom;
  transition: transform .5s var(--ease);
  z-index: 1;
  pointer-events: none;
}

.page-news .topic-feature__frame:hover::after {
  transform: rotate(-3deg) translateY(8px);
}

.page-news .topic-feature__img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  filter: saturate(.88) brightness(.82);
}

.page-news .topic-feature__stamp {
  position: absolute;
  top: 16px;
  left: 16px;
  z-index: 2;
  margin: 0;
  padding: 6px 12px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--cyan);
  border: 1px solid rgba(53, 231, 210, .45);
  border-radius: 999px;
  background: rgba(5, 7, 15, .62);
  backdrop-filter: blur(6px);
}

.page-news .topic-feature__body {
  position: relative;
  z-index: 2;
  max-width: 76ch;
  padding-top: 28px;
}

.page-news .topic-feature__body h2 {
  margin: 12px 0 18px;
  font-size: clamp(23px, 5vw, 36px);
  line-height: 1.28;
  letter-spacing: -.01em;
  color: var(--white);
}

.page-news .topic-feature__text {
  margin: 0 0 12px;
  font-size: 16px;
  line-height: 1.85;
  color: var(--muted);
}

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

/* ---------- 手记列表 ---------- */
.page-news .notes-block {
  margin-top: 76px;
}

.page-news .notes-block__head h2 {
  margin: 12px 0 10px;
  font-size: clamp(26px, 5vw, 38px);
  line-height: 1.2;
  color: var(--white);
}

.page-news .notes-block__sub {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--muted);
}

.page-news .notes-layout {
  display: grid;
  gap: 38px;
  margin-top: 22px;
}

.page-news .notes-stream {
  min-width: 0;
}

.page-news .notes-item {
  position: relative;
  padding: 24px 0 24px 0;
  border-bottom: 1px solid var(--line);
}

.page-news .notes-item::before {
  content: "";
  position: absolute;
  left: -14px;
  top: 26px;
  bottom: 26px;
  width: 2px;
  background: var(--cyan);
  transform: scaleY(0);
  transform-origin: top;
  transition: transform .3s var(--ease);
}

.page-news .notes-item:hover::before {
  transform: scaleY(1);
}

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

.page-news .notes-item__cat {
  display: inline-block;
  padding: 3px 10px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .08em;
  border: 1px solid currentColor;
  border-radius: 999px;
  line-height: 1.5;
}

.page-news .notes-item__cat--ver {
  color: var(--cyan);
  background: rgba(53, 231, 210, .08);
}

.page-news .notes-item__cat--how {
  color: var(--purple);
  background: rgba(138, 107, 255, .1);
}

.page-news .notes-item__cat--test {
  color: var(--tone-blue);
  background: rgba(111, 180, 255, .09);
}

.page-news .notes-item__cat--local {
  color: var(--orange);
  background: rgba(255, 122, 61, .09);
}

.page-news .notes-item__time {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .06em;
  color: rgba(169, 180, 199, .7);
}

.page-news .notes-item__title {
  margin: 0 0 10px;
  font-size: 19px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--white);
  transition: transform .3s var(--ease), color .3s var(--ease);
}

.page-news .notes-item:hover .notes-item__title {
  transform: translateX(4px);
  color: var(--cyan);
}

.page-news .notes-item__excerpt {
  max-width: 68ch;
  margin: 0 0 12px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
}

.page-news .notes-item__read {
  margin: 0;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .06em;
  color: rgba(169, 180, 199, .5);
  transition: color .3s var(--ease);
}

.page-news .notes-item:hover .notes-item__read {
  color: var(--cyan);
}

.page-news .notes-figure {
  margin: 26px 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: var(--panel);
}

.page-news .notes-figure__img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  filter: saturate(.92) brightness(.9);
}

.page-news .notes-figure .media-frame__caption {
  padding: 12px 16px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
  border-top: 1px solid var(--line);
}

.page-news .stream-tail {
  height: 1px;
  margin: 0;
  background: repeating-linear-gradient(90deg, var(--line) 0 8px, transparent 8px 18px);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 14%, #000 58%, transparent 94%);
  mask-image: linear-gradient(90deg, transparent, #000 14%, #000 58%, transparent 94%);
}

.page-news .stream-jump {
  margin: 16px 0 0;
}

.page-news .stream-jump a {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  padding-bottom: 2px;
  transition: color .25s var(--ease), border-color .25s var(--ease);
}

.page-news .stream-jump a:hover {
  color: var(--cyan);
  border-color: var(--cyan);
}

/* ---------- 侧栏 ---------- */
.page-news .notes-aside {
  display: flex;
  flex-direction: column;
  gap: 16px;
  min-width: 0;
}

.page-news .notes-thumb {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: var(--panel);
}

.page-news .notes-thumb__img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  filter: saturate(.9) brightness(.85);
}

.page-news .notes-thumb .media-frame__caption {
  padding: 12px 14px;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--muted);
  border-top: 1px solid var(--line);
}

.page-news .notes-aside__note {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- 系列栏目 ---------- */
.page-news .series {
  margin-top: 82px;
  padding-top: 42px;
  border-top: 1px solid var(--line);
}

.page-news .series__grid {
  display: grid;
  gap: 30px;
}

.page-news .series__media {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: var(--panel);
}

.page-news .series__img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  filter: grayscale(.25) brightness(.82) saturate(.9);
}

.page-news .series__media .media-frame__caption {
  padding: 12px 16px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
  border-top: 1px solid var(--line);
}

.page-news .series__body h2 {
  margin: 12px 0 0;
  font-size: clamp(24px, 5vw, 34px);
  line-height: 1.24;
  color: var(--white);
}

.page-news .series-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin: 26px 0 0;
  padding: 0;
}

.page-news .series-band {
  position: relative;
  width: var(--band-w, 100%);
  padding: 18px 20px 18px 24px;
  border-left: 3px solid var(--band-tone, var(--cyan));
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  background: var(--band-bg, rgba(53, 231, 210, .1));
  transition: transform .3s var(--ease);
}

.page-news .series-band:nth-child(1) {
  --band-w: 100%;
  --band-tone: var(--cyan);
  --band-bg: linear-gradient(90deg, rgba(53, 231, 210, .13), rgba(53, 231, 210, .015));
}

.page-news .series-band:nth-child(2) {
  --band-w: 87%;
  --band-tone: var(--purple);
  --band-bg: linear-gradient(90deg, rgba(138, 107, 255, .15), rgba(138, 107, 255, .015));
}

.page-news .series-band:nth-child(3) {
  --band-w: 74%;
  --band-tone: var(--tone-blue);
  --band-bg: linear-gradient(90deg, rgba(111, 180, 255, .13), rgba(111, 180, 255, .012));
}

.page-news .series-band:nth-child(4) {
  --band-w: 61%;
  --band-tone: var(--orange);
  --band-bg: linear-gradient(90deg, rgba(255, 122, 61, .13), rgba(255, 122, 61, .012));
}

.page-news .series-band:hover {
  transform: translateX(5px);
}

.page-news .series-band__no {
  margin: 0 0 6px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--band-tone, var(--cyan));
}

.page-news .series-band__name {
  margin: 0 0 8px;
  font-size: 18px;
  font-weight: 600;
  line-height: 1.4;
  color: var(--white);
}

.page-news .series-band__desc {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--muted);
}

/* ---------- 更新节奏 ---------- */
.page-news .rhythm {
  margin-top: 84px;
}

.page-news .rhythm h2 {
  margin: 12px 0 0;
  font-size: clamp(24px, 5vw, 34px);
  line-height: 1.24;
  color: var(--white);
}

.page-news .rhythm-list {
  list-style: none;
  margin: 30px 0 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-news .rhythm-item {
  display: grid;
  gap: 6px;
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
}

.page-news .rhythm-item__when {
  margin: 0;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--cyan);
}

.page-news .rhythm-item__title {
  margin: 0;
  font-size: 18px;
  font-weight: 600;
  line-height: 1.45;
  color: var(--white);
}

.page-news .rhythm-item__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- 订阅区 ---------- */
.page-news .subscribe {
  margin-top: 84px;
}

.page-news .subscribe__panel {
  padding: 30px 22px;
}

.page-news .subscribe__panel h2 {
  margin: 12px 0 14px;
  font-size: clamp(22px, 4.6vw, 30px);
  line-height: 1.28;
  color: var(--white);
}

.page-news .subscribe__intro {
  max-width: 62ch;
  margin: 0;
  font-size: 15px;
  line-height: 1.82;
  color: var(--muted);
}

.page-news .subscribe__topics {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 24px 0 0;
  padding: 0;
  border: 0;
}

.page-news .subscribe__topics-label {
  width: 100%;
  margin: 0 0 4px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--muted);
}

.page-news .subscribe__topics .chip {
  position: relative;
  cursor: pointer;
}

.page-news .subscribe__topics .chip input[type="checkbox"] {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-news .subscribe__topics .chip:has(input:checked) {
  border-color: var(--cyan);
  color: var(--cyan);
  background: rgba(53, 231, 210, .12);
}

.page-news .subscribe__topics .chip:focus-within {
  outline: 2px solid rgba(53, 231, 210, .5);
  outline-offset: 2px;
}

.page-news .subscribe__field {
  position: relative;
  max-width: 460px;
  margin-top: 24px;
}

.page-news .subscribe__label {
  display: block;
  margin-bottom: 8px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--muted);
}

.page-news .subscribe__input {
  width: 100%;
  box-sizing: border-box;
  padding: 14px 16px;
  font-family: var(--mono);
  font-size: 15px;
  color: var(--white);
  background: rgba(5, 7, 15, .74);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  outline: none;
  transition: border-color .25s var(--ease), box-shadow .25s var(--ease);
}

.page-news .subscribe__input::placeholder {
  color: rgba(169, 180, 199, .48);
}

.page-news .subscribe__input:focus {
  border-color: var(--cyan);
  box-shadow: 0 0 0 3px rgba(53, 231, 210, .14);
}

.page-news .subscribe__input:not(:placeholder-shown):valid {
  border-color: rgba(53, 231, 210, .7);
}

.page-news .subscribe__input:not(:placeholder-shown):invalid {
  border-color: rgba(255, 122, 61, .78);
}

.page-news .subscribe__msg {
  display: none;
  margin: 10px 0 0;
  font-size: 13px;
  line-height: 1.65;
}

.page-news .subscribe__msg--ok {
  color: var(--cyan);
}

.page-news .subscribe__msg--bad {
  color: var(--orange);
}

.page-news .subscribe__input:not(:placeholder-shown):valid ~ .subscribe__msg--ok {
  display: block;
}

.page-news .subscribe__input:not(:placeholder-shown):invalid ~ .subscribe__msg--bad {
  display: block;
}

.page-news .subscribe__foot {
  margin: 20px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

.page-news .subscribe__foot a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 231, 210, .45);
}

.page-news .subscribe__foot a:hover {
  border-color: var(--cyan);
}

/* ---------- 下一步 ---------- */
.page-news .news-cta {
  margin-top: 82px;
  padding-top: 40px;
  border-top: 1px solid var(--line);
}

.page-news .news-cta h2 {
  margin: 12px 0 14px;
  font-size: clamp(23px, 5vw, 32px);
  line-height: 1.26;
  color: var(--white);
}

.page-news .news-cta__text {
  max-width: 64ch;
  margin: 0;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--muted);
}

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

.page-news .divider-skew {
  margin-top: 56px;
}

/* ---------- 平板及以上 ---------- */
@media (min-width: 700px) {
  .page-news .news-head__beats {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 34px;
  }

  .page-news .topic-feature__body {
    padding-top: 32px;
  }

  .page-news .subscribe__panel {
    padding: 40px 36px;
  }
}

/* ---------- 桌面看台式双栏 ---------- */
@media (min-width: 980px) {
  .page-news .news-head {
    padding: 26px 0 46px;
  }

  .page-news .topic-feature {
    margin-top: 62px;
  }

  .page-news .notes-block {
    margin-top: 92px;
  }

  .page-news .notes-layout {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: 52px;
    margin-top: 28px;
  }

  .page-news .notes-aside {
    position: sticky;
    top: calc(var(--header-offset) + 20px);
  }

  .page-news .series__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 50px;
    align-items: start;
  }

  .page-news .rhythm-item {
    grid-template-columns: 160px minmax(180px, 260px) minmax(0, 1fr);
    gap: 30px;
    align-items: baseline;
    padding: 24px 0;
  }

  .page-news .news-cta__actions {
    gap: 14px;
  }
}

/* ---------- 窄屏收束 ---------- */
@media (max-width: 699px) {
  .page-news .series-band:nth-child(1),
  .page-news .series-band:nth-child(2),
  .page-news .series-band:nth-child(3),
  .page-news .series-band:nth-child(4) {
    --band-w: 100%;
  }

  .page-news .notes-item::before {
    left: -8px;
  }

  .page-news .topic-feature__stamp {
    top: 12px;
    left: 12px;
    font-size: 11px;
  }
}

/* ---------- 减动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-news .topic-feature__frame::after,
  .page-news .notes-item::before,
  .page-news .notes-item__title,
  .page-news .notes-item__read,
  .page-news .series-band,
  .page-news .stream-jump a,
  .page-news .subscribe__input {
    transition: none;
  }

  .page-news .notes-item:hover .notes-item__title,
  .page-news .series-band:hover {
    transform: none;
  }
}