.page-news {
  --notes-gap: clamp(1.5rem, 3.5vw, 2.75rem);
  --notes-pad: clamp(1.35rem, 3vw, 2rem);
  display: block;
}

/* ---------- 页面头部 ---------- */
.page-news .notes-masthead {
  position: relative;
  padding: clamp(1.25rem, 3vw, 2.25rem) 0 clamp(1.5rem, 3.5vw, 2.5rem);
  border-bottom: 1px solid var(--line-soft);
}

.page-news .notes-masthead::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 92px;
  height: 2px;
  background: linear-gradient(90deg, var(--accent-cyan), transparent);
}

.page-news .notes-masthead__title {
  margin: 0.7rem 0 0;
  max-width: 22ch;
  font-size: clamp(1.7rem, 4.6vw, 3.1rem);
  font-weight: 800;
  line-height: 1.14;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

.page-news .notes-masthead__lede {
  margin: 1rem 0 0;
  max-width: 58ch;
  font-size: clamp(0.94rem, 1.6vw, 1.04rem);
  line-height: 1.78;
  color: var(--text-body);
}

.page-news .notes-masthead__tally {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem 1.25rem;
  margin: clamp(1.5rem, 3vw, 2.25rem) 0 0;
  padding: 1.25rem 0 0;
  list-style: none;
  border-top: 1px solid var(--line-soft);
}

.page-news .notes-masthead__tally li {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.page-news .notes-masthead__num {
  font-family: var(--font-numeric);
  font-size: clamp(1.5rem, 3.4vw, 2.25rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.01em;
  color: var(--text-primary);
}

.page-news .notes-masthead__tally li:first-child .notes-masthead__num {
  color: var(--accent-cyan);
}

.page-news .notes-masthead__unit {
  font-size: 0.76rem;
  line-height: 1.5;
  letter-spacing: 0.06em;
  color: var(--text-dim);
}

/* ---------- 氛围横幅 ---------- */
.page-news .notes-band {
  margin: clamp(1.5rem, 3.5vw, 2.5rem) 0 0;
}

.page-news .notes-band__shot {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
}

.page-news .notes-band__shot img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  filter: brightness(0.78) saturate(0.92);
}

.page-news .notes-band__shot::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(100deg, rgba(5, 11, 20, 0.86) 0%, rgba(5, 11, 20, 0.16) 56%, rgba(43, 227, 210, 0.14) 100%);
  pointer-events: none;
}

.page-news .notes-band .figure-caption {
  margin-top: 0.7rem;
  font-size: 0.74rem;
  letter-spacing: 0.05em;
  color: var(--text-dim);
}

/* ---------- 条目总区 ---------- */
.page-news .notes-hub {
  padding-top: clamp(2rem, 4.5vw, 3.25rem);
}

.page-news .notes-hub__head {
  display: grid;
  gap: 0.4rem;
  margin-bottom: 1.1rem;
}

.page-news .notes-hub__title {
  margin: 0;
  font-size: clamp(1.35rem, 3vw, 1.9rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

.page-news .notes-hub__sub {
  margin: 0;
  font-size: 0.85rem;
  line-height: 1.7;
  color: var(--text-dim);
}

/* ---------- 筛选条 ---------- */
.page-news .notes-filter {
  position: sticky;
  top: calc(var(--header-bar-h) + 3.5rem);
  z-index: 6;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.6rem 1rem;
  margin: 0 0 clamp(1.25rem, 2.5vw, 1.75rem);
  padding: 0.7rem 0.95rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(11, 23, 38, 0.9);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.page-news .notes-filter__caption {
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-dim);
}

.page-news .notes-filter .filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.page-news .filter-chip {
  appearance: none;
  padding: 0.4rem 0.9rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: transparent;
  color: var(--text-body);
  font-family: inherit;
  font-size: 0.8rem;
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: background 200ms var(--ease), color 200ms var(--ease), border-color 200ms var(--ease);
}

.page-news .filter-chip:hover {
  border-color: var(--accent-cyan);
  color: var(--text-primary);
}

.page-news .filter-chip.is-on {
  border-color: var(--state-purple);
  background: var(--bg-raised);
  color: var(--text-primary);
}

.page-news .filter-chip:focus-visible {
  outline: 2px solid var(--accent-cyan);
  outline-offset: 2px;
}

.page-news .filter-count {
  margin: 0 0 0 auto;
  font-size: 0.74rem;
  letter-spacing: 0.05em;
  color: var(--text-dim);
}

.page-news .filter-count b {
  margin-right: 0.3rem;
  font-family: var(--font-numeric);
  font-size: 1.05rem;
  color: var(--accent-cyan);
}

/* ---------- 分栏骨架 ---------- */
.page-news .notes-layout {
  display: grid;
  gap: var(--notes-gap);
  align-items: start;
}

/* ---------- 左栏 ---------- */
.page-news .notes-rail {
  display: grid;
  gap: 1.4rem;
}

.page-news .notes-rail__list {
  display: grid;
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line-soft);
}

.page-news .notes-rail__row {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: baseline;
  gap: 0.65rem;
  padding: 0.72rem 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-news .notes-rail__code {
  font-family: var(--font-numeric);
  font-size: 0.74rem;
  letter-spacing: 0.08em;
  color: var(--accent-cyan);
}

.page-news .notes-rail__name {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-primary);
}

.page-news .notes-rail__count {
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  color: var(--text-dim);
}

.page-news .notes-rail__brief {
  padding: 1rem 1.1rem;
  border: 1px solid var(--line);
  border-left: 3px solid var(--accent-cyan);
  border-radius: var(--radius-md);
  background: var(--bg-panel);
}

.page-news .notes-rail__brief-title {
  margin: 0 0 0.45rem;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--text-primary);
}

.page-news .notes-rail__brief-text {
  margin: 0;
  font-size: 0.8rem;
  line-height: 1.72;
  color: var(--text-dim);
}

.page-news .notes-rail__links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
}

/* ---------- 条目流 ---------- */
.page-news .notes-stream {
  border-top: 1px solid var(--line-soft);
}

.page-news .note-item,
.page-news .log-item {
  position: relative;
  display: grid;
  gap: 0.65rem;
  padding: 1.35rem 0 1.35rem 1.25rem;
  border-bottom: 1px solid var(--line-soft);
}

.page-news .note-item::before,
.page-news .log-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 1.5rem;
  width: 3px;
  height: 26px;
  border-radius: 3px;
  background: var(--accent-cyan);
}

.page-news .log-item::before {
  background: var(--accent-orange);
}

.page-news .note-item--calib::before {
  background: var(--state-purple);
}

.page-news .note-item__head,
.page-news .log-item__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 0.75rem;
  margin: 0;
}

.page-news .note-item__time,
.page-news .log-item__time {
  margin-left: auto;
  font-size: 0.72rem;
  letter-spacing: 0.07em;
  color: var(--text-dim);
}

.page-news .note-item__title {
  margin: 0;
  font-size: clamp(1.02rem, 2.1vw, 1.2rem);
  font-weight: 700;
  line-height: 1.4;
  letter-spacing: -0.01em;
  color: var(--text-primary);
}

.page-news .note-item__excerpt {
  margin: 0;
  max-width: 62ch;
  font-size: 0.88rem;
  line-height: 1.74;
  color: var(--text-body);
}

.page-news .note-item__cols {
  display: grid;
  gap: 1rem;
}

.page-news .note-item__copy {
  display: grid;
  gap: 0.65rem;
}

.page-news .note-item__thumb {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
}

.page-news .note-item__thumb img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  filter: brightness(0.82) saturate(0.9);
}

.page-news .note-item__more {
  margin: 0;
}

.page-news .note-item__more-label {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  list-style: none;
  cursor: pointer;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--accent-cyan);
}

.page-news .note-item__more-label::-webkit-details-marker {
  display: none;
}

.page-news .note-item__more-label::after {
  content: "＋";
  font-size: 0.85rem;
  line-height: 1;
}

.page-news .note-item__more[open] .note-item__more-label::after {
  content: "－";
}

.page-news .note-item__more-label:focus-visible {
  outline: 2px solid var(--accent-cyan);
  outline-offset: 3px;
  border-radius: 3px;
}

.page-news .note-item__points {
  display: grid;
  gap: 0.45rem;
  margin: 0.7rem 0 0;
  padding: 0.7rem 0 0;
  list-style: none;
  border-top: 1px dashed var(--line);
}

.page-news .note-item__points li {
  position: relative;
  padding-left: 1rem;
  font-size: 0.83rem;
  line-height: 1.72;
  color: var(--text-dim);
}

.page-news .note-item__points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.66em;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--accent-cyan);
  opacity: 0.55;
}

/* ---------- 版本记录条目 ---------- */
.page-news .log-item__main {
  display: grid;
  gap: 0.45rem;
}

.page-news .log-item__ver {
  font-family: var(--font-numeric);
  font-size: 1.35rem;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--accent-orange);
}

.page-news .log-item__list {
  display: grid;
  gap: 0.36rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .log-item__list li {
  font-size: 0.85rem;
  line-height: 1.7;
  color: var(--text-body);
}

.page-news .log-item__key {
  display: inline-block;
  min-width: 3.1em;
  margin-right: 0.5rem;
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--accent-cyan);
}

.page-news .log-item__note {
  margin: 0;
  font-size: 0.78rem;
  line-height: 1.7;
  color: var(--text-dim);
}

/* ---------- 版本底纹带 ---------- */
.page-news .notes-texture {
  margin: clamp(2rem, 4.5vw, 3.25rem) 0 0;
}

.page-news .notes-texture__shot {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  position: relative;
}

.page-news .notes-texture__shot img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  opacity: 0.42;
}

.page-news .notes-texture .figure-caption {
  margin-top: 0.65rem;
  font-size: 0.74rem;
  letter-spacing: 0.05em;
  color: var(--text-dim);
}

/* ---------- 专栏系列 ---------- */
.page-news .notes-columns {
  padding-top: clamp(2.25rem, 5vw, 3.75rem);
}

.page-news .notes-columns__head {
  display: grid;
  gap: 0.6rem;
  margin-bottom: clamp(1.25rem, 2.6vw, 1.9rem);
}

.page-news .notes-columns__title {
  margin: 0;
  font-size: clamp(1.4rem, 3.2vw, 2.1rem);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

.page-news .notes-columns__intro {
  margin: 0;
  max-width: 56ch;
  font-size: 0.9rem;
  line-height: 1.76;
  color: var(--text-body);
}

.page-news .notes-columns__grid {
  display: grid;
  gap: clamp(1rem, 2.4vw, 1.6rem);
}

.page-news .column-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  padding: var(--notes-pad);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: linear-gradient(158deg, var(--bg-panel) 0%, rgba(11, 23, 38, 0.62) 100%);
  overflow: hidden;
}

.page-news .column-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 58px;
  height: 3px;
  border-radius: 0 0 3px 0;
  background: var(--accent-cyan);
}

.page-news .column-card:nth-child(2)::before {
  background: var(--state-purple);
}

.page-news .column-card:nth-child(3)::before {
  background: var(--accent-orange);
}

.page-news .column-card__figure {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
}

.page-news .column-card__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  filter: brightness(0.8) saturate(0.9);
}

.page-news .column-card__body {
  display: grid;
  gap: 0.55rem;
}

.page-news .column-card__code {
  margin: 0;
  font-family: var(--font-numeric);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  color: var(--text-dim);
}

.page-news .column-card__title {
  margin: 0;
  font-size: clamp(1.05rem, 2vw, 1.28rem);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--text-primary);
}

.page-news .column-card__text {
  margin: 0;
  font-size: 0.86rem;
  line-height: 1.76;
  color: var(--text-body);
}

.page-news .column-card__note {
  margin: 0;
  padding-top: 0.6rem;
  border-top: 1px solid var(--line-soft);
  font-size: 0.74rem;
  letter-spacing: 0.05em;
  color: var(--text-dim);
}

/* ---------- 回看与提醒 ---------- */
.page-news .notes-follow {
  padding-bottom: clamp(2.5rem, 5vw, 4rem);
}

.page-news .notes-follow__panel {
  display: grid;
  gap: clamp(1.5rem, 3.4vw, 2.75rem);
  padding: clamp(1.4rem, 3.4vw, 2.6rem);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(120% 100% at 0% 0%, rgba(43, 227, 210, 0.1) 0%, transparent 58%),
    var(--bg-panel);
}

.page-news .notes-follow__copy {
  display: grid;
  gap: 0.7rem;
  align-content: start;
}

.page-news .notes-follow__title {
  margin: 0;
  font-size: clamp(1.3rem, 3vw, 1.95rem);
  font-weight: 800;
  line-height: 1.24;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

.page-news .notes-follow__text {
  margin: 0;
  max-width: 48ch;
  font-size: 0.88rem;
  line-height: 1.76;
  color: var(--text-body);
}

.page-news .notes-follow__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 0.4rem;
}

.page-news .notes-follow__grid {
  display: grid;
  gap: 1.1rem 1.6rem;
  margin: 0;
}

.page-news .notes-follow__cell dt {
  margin-bottom: 0.35rem;
  font-size: 0.92rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--text-primary);
}

.page-news .notes-follow__cell dd {
  margin: 0;
  font-size: 0.83rem;
  line-height: 1.74;
  color: var(--text-dim);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-news .log-item__main {
    grid-template-columns: 5.6rem minmax(0, 1fr);
    align-items: start;
    column-gap: 1.1rem;
  }
}

@media (min-width: 720px) {
  .page-news .notes-masthead__tally {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-news .note-item--featured .note-item__cols {
    grid-template-columns: minmax(0, 1fr) minmax(180px, 240px);
    gap: 1.4rem;
    align-items: start;
  }

  .page-news .notes-follow__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-news .notes-layout {
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
  }

  .page-news .notes-rail {
    position: sticky;
    top: calc(var(--header-bar-h) + 8.5rem);
  }

  .page-news .notes-columns__grid {
    grid-template-columns: 1.35fr 1fr;
    align-items: start;
  }

  .page-news .column-card--lead {
    grid-row: span 2;
  }

  .page-news .notes-follow__panel {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: start;
  }
}

@media (min-width: 1024px) {
  .page-news .notes-follow__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 519px) {
  .page-news .notes-filter {
    flex-direction: column;
    align-items: flex-start;
  }

  .page-news .filter-count {
    margin-left: 0;
  }

  .page-news .note-item__time,
  .page-news .log-item__time {
    margin-left: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .filter-chip,
  .page-news .notes-rail__row,
  .page-news .note-item__more-label::after {
    transition: none;
  }
}