.page-news {
  --pn-rail-w: 280px;
  --pn-gap: 56px;
}

/* ---------- 刊头 ---------- */
.page-news .pn-masthead {
  position: relative;
  padding-top: 24px;
}

.page-news .pn-masthead__inner {
  position: relative;
  max-width: 860px;
  margin: 0 auto;
  text-align: center;
}

.page-news .pn-masthead__title {
  margin: 18px 0 0;
  font-size: clamp(32px, 5.4vw, 58px);
  line-height: 1.12;
  letter-spacing: -0.02em;
  font-weight: 800;
  color: var(--nt-mist);
}

.page-news .pn-masthead__lede {
  margin: 22px auto 0;
  max-width: 660px;
  color: var(--nt-silver);
  font-size: 16px;
  line-height: 1.78;
}

.page-news .pn-masthead__stamp {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 10px 14px;
  margin-top: 30px;
  padding: 12px 20px;
  border: 1px solid var(--nt-line);
  border-radius: 999px;
  background: rgba(27, 49, 89, 0.5);
}

.page-news .pn-stamp__key {
  font-size: 13px;
  color: var(--nt-silver);
  letter-spacing: 0.06em;
}

.page-news .pn-stamp__val {
  font-family: var(--nt-mono);
  font-size: 20px;
  font-weight: 700;
  color: var(--nt-gold);
  letter-spacing: 0.06em;
}

.page-news .pn-stamp__hint {
  font-size: 12px;
  color: var(--nt-silver);
  opacity: 0.85;
}

.page-news .pn-masthead__vert {
  display: none;
  margin: 0;
  font-family: var(--nt-mono);
  font-size: 11px;
  letter-spacing: 0.24em;
  color: var(--nt-silver);
  opacity: 0.55;
}

.page-news .pn-masthead__media {
  margin-top: 44px;
  border-radius: var(--nt-r-lg) var(--nt-r-sm) var(--nt-r-lg) var(--nt-r-sm);
  overflow: hidden;
  background: var(--nt-night);
  border: 1px solid var(--nt-line-soft);
}

.page-news .pn-masthead__media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 章节头 ---------- */
.page-news .pn-sechead {
  display: grid;
  gap: 8px;
  text-align: center;
  margin-bottom: 28px;
}

.page-news .pn-sechead--left {
  text-align: left;
}

.page-news .pn-sechead--split {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  text-align: left;
}

.page-news .pn-sechead__title {
  margin: 0;
  font-size: clamp(24px, 3.2vw, 36px);
  line-height: 1.2;
  font-weight: 700;
  color: var(--nt-mist);
}

.page-news .pn-sechead__note {
  margin: 0;
  color: var(--nt-silver);
}

/* ---------- 更新要点 ---------- */
.page-news .pn-flash__list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--nt-line);
}

.page-news .pn-flash__item {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 16px;
  padding: 22px 0;
  border-bottom: 1px solid var(--nt-line);
}

.page-news .pn-flash__idx {
  font-family: var(--nt-mono);
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--nt-cyan);
  padding-top: 4px;
}

.page-news .pn-flash__h {
  margin: 0;
  font-size: 18px;
  font-weight: 700;
  line-height: 1.45;
  color: var(--nt-mist);
}

.page-news .pn-flash__p {
  margin: 8px 0 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--nt-silver);
}

/* ---------- 报告清单 ---------- */
.page-news .pn-board__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 40px;
}

.page-news .pn-group {
  margin-top: 40px;
  scroll-margin-top: 140px;
}

.page-news .pn-group:first-of-type {
  margin-top: 0;
}

.page-news .pn-group__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--nt-line);
  margin-bottom: 4px;
}

.page-news .pn-group__title {
  margin: 0;
  font-size: 21px;
  font-weight: 700;
  color: var(--nt-mist);
}

.page-news .pn-group__count {
  font-family: var(--nt-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--nt-gold);
}

.page-news .pn-report {
  position: relative;
  padding: 22px 0 22px 0;
  border-bottom: 1px solid var(--nt-line-soft);
  transition: padding-left 0.3s var(--nt-ease), background-color 0.3s var(--nt-ease);
}

.page-news .pn-report::before {
  content: "";
  position: absolute;
  left: 0;
  top: 22px;
  bottom: 22px;
  width: 2px;
  background: var(--nt-orange);
  transform: scaleY(0);
  transform-origin: top center;
  transition: transform 0.3s var(--nt-ease);
}

.page-news .pn-report:hover::before,
.page-news .pn-report:focus-within::before {
  transform: scaleY(1);
}

.page-news .pn-report:hover {
  padding-left: 16px;
  background: rgba(79, 209, 197, 0.04);
}

.page-news .pn-report__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}

.page-news .pn-report__plat {
  font-family: var(--nt-mono);
  font-size: 12px;
  color: var(--nt-silver);
  letter-spacing: 0.04em;
}

.page-news .pn-report__when {
  font-size: 12px;
  color: var(--nt-silver);
  opacity: 0.75;
  margin-left: auto;
}

.page-news .pn-report__title {
  margin: 0;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--nt-mist);
}

.page-news .pn-report__text {
  margin: 8px 0 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--nt-silver);
}

.page-news .pn-guide-figure {
  margin: 22px 0 4px;
  border-radius: var(--nt-r-organic);
  overflow: hidden;
  background: var(--nt-night);
  border: 1px solid var(--nt-line-soft);
}

.page-news .pn-guide-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 右侧栏 ---------- */
.page-news .pn-rail {
  display: grid;
  gap: 24px;
  align-content: start;
}

.page-news .pn-filter {
  padding: 22px;
  border: 1px solid var(--nt-line);
  border-radius: var(--nt-r-md);
  background: var(--nt-hull);
}

.page-news .pn-filter__title {
  margin: 0 0 14px;
  font-family: var(--nt-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--nt-silver);
}

.page-news .pn-filter__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 4px;
}

.page-news .pn-filter__link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 11px 12px;
  border-radius: var(--nt-r-sm);
  font-size: 15px;
  color: var(--nt-mist);
  text-decoration: none;
  transition: background-color 0.24s var(--nt-ease), color 0.24s var(--nt-ease);
}

.page-news .pn-filter__link:hover,
.page-news .pn-filter__link:focus-visible {
  background: rgba(79, 209, 197, 0.14);
  color: var(--nt-cyan);
}

.page-news .pn-filter__num {
  font-family: var(--nt-mono);
  font-size: 12px;
  color: var(--nt-gold);
}

.page-news .nt-media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-news .pn-matrix {
  margin: 0;
  border-radius: var(--nt-r-md);
  overflow: hidden;
  border: 1px solid var(--nt-line-soft);
  background: var(--nt-night);
}

.page-news .nt-media__caption {
  padding: 12px 14px;
  font-size: 12px;
  line-height: 1.6;
  color: var(--nt-silver);
  border-top: 1px solid var(--nt-line-soft);
}

.page-news .pn-rail__note {
  padding: 22px;
  border: 1px solid var(--nt-line);
  border-radius: var(--nt-r-md);
  background: rgba(16, 31, 60, 0.72);
}

.page-news .pn-rail__note-h {
  margin: 0 0 12px;
  font-size: 15px;
  font-weight: 700;
  color: var(--nt-mist);
}

.page-news .pn-rail__note-list {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
  display: grid;
  gap: 9px;
}

.page-news .pn-rail__note-list li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--nt-silver);
}

.page-news .pn-rail__note-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--nt-cyan);
}

.page-news .pn-rail__btn {
  width: 100%;
  justify-content: center;
}

/* ---------- 时间线 ---------- */
.page-news .pn-tl__anchor {
  font-family: var(--nt-mono);
  font-size: clamp(38px, 7vw, 72px);
  font-weight: 700;
  line-height: 1;
  color: var(--nt-gold);
  letter-spacing: -0.02em;
  opacity: 0.9;
}

.page-news .pn-tl__layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 36px;
  margin-top: 32px;
}

.page-news .pn-timeline {
  list-style: none;
  margin: 0;
  padding: 0;
  position: relative;
}

.page-news .pn-timeline::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 10px;
  bottom: 24px;
  width: 2px;
  background: linear-gradient(to bottom, var(--nt-gold), var(--nt-cyan) 45%, var(--nt-line));
}

.page-news .pn-timeline__item {
  position: relative;
  padding: 0 0 34px 40px;
}

.page-news .pn-timeline__item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 6px;
  width: 16px;
  height: 16px;
  box-sizing: border-box;
  border-radius: 50%;
  background: var(--nt-deep);
  border: 2px solid var(--nt-cyan);
}

.page-news .pn-timeline__item--current::before {
  background: var(--nt-gold);
  border-color: var(--nt-gold);
  box-shadow: 0 0 0 5px rgba(232, 196, 106, 0.16);
}

.page-news .pn-timeline__ver {
  display: inline-block;
  font-family: var(--nt-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--nt-gold);
  margin-bottom: 8px;
}

.page-news .pn-timeline__h {
  margin: 0;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--nt-mist);
}

.page-news .pn-timeline__p {
  margin: 8px 0 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--nt-silver);
}

.page-news .pn-tl__figure {
  margin: 0;
  border-radius: var(--nt-r-lg) var(--nt-r-sm) var(--nt-r-lg) var(--nt-r-sm);
  overflow: hidden;
  border: 1px solid var(--nt-line-soft);
  background: var(--nt-night);
}

/* ---------- 订阅与反馈 ---------- */
.page-news .pn-follow__panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
  border: 1px solid var(--nt-line);
  border-radius: var(--nt-r-lg) var(--nt-r-sm) var(--nt-r-lg) var(--nt-r-sm);
  overflow: hidden;
}

.page-news .pn-follow__col {
  padding: 32px 26px;
  background: linear-gradient(150deg, rgba(27, 49, 89, 0.85), rgba(10, 20, 40, 0.92));
}

.page-news .pn-follow__col--side {
  background: linear-gradient(150deg, rgba(16, 31, 60, 0.9), rgba(6, 13, 26, 0.95));
  border-top: 1px solid var(--nt-line);
}

.page-news .pn-follow__title {
  margin: 14px 0 0;
  font-size: clamp(20px, 2.6vw, 27px);
  line-height: 1.32;
  font-weight: 700;
  color: var(--nt-mist);
}

.page-news .pn-follow__text {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--nt-silver);
}

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

.page-news .pn-toplink {
  margin: 26px 0 0;
  text-align: center;
  font-size: 14px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-news .pn-flash__item {
    grid-template-columns: 56px minmax(0, 1fr);
    gap: 22px;
  }

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

  .page-news .pn-follow__col--side {
    border-top: 0;
    border-left: 1px solid var(--nt-line);
  }
}

@media (min-width: 900px) {
  .page-news .pn-masthead__vert {
    display: block;
    position: absolute;
    right: -6px;
    top: 0;
    writing-mode: vertical-rl;
  }

  .page-news .pn-tl__layout {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: 48px;
    align-items: start;
  }

  .page-news .pn-timeline__item {
    padding-left: 44px;
  }
}

@media (min-width: 1024px) {
  .page-news .pn-board__grid {
    grid-template-columns: minmax(0, 1fr) var(--pn-rail-w);
    gap: var(--pn-gap);
  }

  .page-news .pn-rail {
    position: sticky;
    top: 118px;
  }

  .page-news .pn-guide-figure {
    max-width: 420px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .pn-report,
  .page-news .pn-filter__link {
    transition: none;
  }

  .page-news .pn-report::before {
    transition: none;
  }

  .page-news .pn-report:hover {
    padding-left: 0;
  }
}