.page-news {
  --news-rail-w: 244px;
  --news-cut: 16px;
  display: block;
  background: var(--paper-100);
  color: var(--ink-900);
}

/* ---------- 面包屑与页首 ---------- */
.page-news .breadcrumb {
  padding-top: 20px;
}

.page-news .news-masthead {
  padding: 26px 0 40px;
  border-bottom: 1px solid var(--line);
}

.page-news .news-masthead__kicker {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--cyan-deep);
}

.page-news .news-masthead__title {
  margin: 14px 0 0;
  max-width: 24ch;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(28px, 6vw, 50px);
  line-height: 1.16;
  letter-spacing: .04em;
}

.page-news .news-masthead__lede {
  margin: 20px 0 0;
  max-width: 60ch;
  font-size: 17px;
  line-height: 1.85;
  color: var(--ink-700);
}

.page-news .news-masthead__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 16px 36px;
  margin: 28px 0 0;
  padding: 0;
}

.page-news .news-masthead__facts > div {
  display: grid;
  gap: 5px;
}

.page-news .news-masthead__facts dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--gray-500);
}

.page-news .news-masthead__facts dd {
  margin: 0;
  font-size: 20px;
  font-weight: 600;
  letter-spacing: .02em;
  color: var(--ink-900);
}

/* ---------- 期次刻度轴 ---------- */
.page-news .issue-rail-wrap {
  position: relative;
  margin-top: -1px;
  padding: 26px 0 30px;
  background: var(--ink-950);
  color: var(--paper-100);
  overflow: hidden;
}

.page-news .issue-rail-wrap::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(115deg, rgba(245, 239, 228, .05) 0 1px, transparent 1px 14px);
  pointer-events: none;
}

.page-news .issue-rail-wrap > .container {
  position: relative;
  z-index: 1;
}

.page-news .issue-rail__eyebrow {
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: rgba(245, 239, 228, .55);
}

.page-news .issue-rail {
  display: flex;
  gap: 10px;
  margin: 0;
  padding: 0 2px 8px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-news .issue-rail__tick {
  flex: 0 0 auto;
}

.page-news .issue-rail__link {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 7px;
  min-width: 150px;
  padding: 15px 18px 16px;
  text-decoration: none;
  color: rgba(245, 239, 228, .72);
  background: rgba(245, 239, 228, .05);
  box-shadow: inset 0 0 0 1px rgba(245, 239, 228, .18);
  clip-path: polygon(12px 0, 100% 0, 100% calc(100% - 12px), calc(100% - 12px) 100%, 0 100%, 0 12px);
  transition: color .16s var(--ease), background .16s var(--ease);
}

.page-news .issue-rail__link:hover {
  color: var(--paper-100);
  background: rgba(245, 239, 228, .11);
}

.page-news .issue-rail__dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  border: 1.5px solid var(--cyan-bright);
  background: transparent;
}

.page-news .issue-rail__num {
  font-size: 22px;
  font-weight: 600;
  letter-spacing: .08em;
}

.page-news .issue-rail__label {
  font-size: 13px;
  letter-spacing: .02em;
  white-space: nowrap;
}

.page-news .issue-rail__link.is-current {
  color: var(--paper-100);
  background: rgba(53, 214, 230, .13);
  box-shadow: inset 0 0 0 1px rgba(53, 214, 230, .55);
}

.page-news .issue-rail__link.is-current .issue-rail__dot {
  background: var(--cyan-bright);
  border-color: var(--cyan-bright);
  box-shadow: 0 0 0 4px rgba(53, 214, 230, .2);
}

.page-news .issue-rail__link.is-current::after {
  content: "";
  display: block;
  width: 2px;
  height: 16px;
  margin-top: 2px;
  background: var(--cyan-bright);
}

/* ---------- 主体骨架 ---------- */
.page-news .news-shell {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 48px 24px 80px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 46px;
}

.page-news .news-shell__main {
  display: grid;
  gap: 62px;
  min-width: 0;
}

/* ---------- 章节通用 ---------- */
.page-news .news-section {
  min-width: 0;
}

.page-news .news-section__head {
  margin-bottom: 24px;
}

.page-news .news-section__no {
  display: inline-block;
  margin-right: 12px;
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--cyan-deep);
  vertical-align: middle;
}

.page-news .news-section__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(22px, 3.2vw, 30px);
  line-height: 1.22;
  letter-spacing: .04em;
}

.page-news .news-section__desc {
  margin: 10px 0 0;
  max-width: 52ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--gray-500);
}

/* ---------- 图片框 ---------- */
.page-news .media-frame {
  position: relative;
  display: block;
  margin: 0;
  overflow: hidden;
  background: var(--paper-50);
}

.page-news .media-frame--cut {
  clip-path: polygon(var(--news-cut) 0, 100% 0, 100% calc(100% - var(--news-cut)), calc(100% - var(--news-cut)) 100%, 0 100%, 0 var(--news-cut));
}

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

.page-news .media-frame__tag {
  position: absolute;
  top: 14px;
  right: 16px;
  padding: 6px 12px;
  background: var(--ink-950);
  color: var(--cyan-bright);
  font-size: 12px;
  letter-spacing: .12em;
}

.page-news .media-frame__caption {
  margin: 10px 2px 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--gray-500);
}

.page-news .issue-cover {
  background: var(--cyan-pale);
}

.page-news .issue-diagram {
  margin-bottom: 28px;
}

.page-news .archive-figure {
  margin-top: 34px;
  background: var(--amber-paper);
}

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

/* ---------- 本期要目 ---------- */
.page-news .highlight-list {
  list-style: none;
  margin: 30px 0 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-news .highlight-item {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 14px;
  padding: 17px 0;
  border-bottom: 1px solid var(--line);
}

.page-news .highlight-item__no {
  padding-top: 3px;
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--cyan-deep);
}

.page-news .highlight-item__text {
  margin: 0;
  font-size: 16px;
  line-height: 1.8;
  color: var(--ink-700);
}

.page-news .highlight-item__text strong {
  display: inline-block;
  margin-right: 6px;
  font-family: var(--font-display);
  font-weight: 900;
  letter-spacing: .02em;
  color: var(--ink-900);
}

/* ---------- 评测期次索引 ---------- */
.page-news .issue-index {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-news .issue-entry {
  padding: 20px 22px 22px 22px;
  background: var(--paper-50);
  box-shadow: inset 3px 0 0 var(--line);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 14px), calc(100% - 14px) 100%, 0 100%);
  transition: box-shadow .16s var(--ease), background .16s var(--ease);
  scroll-margin-top: 130px;
}

.page-news .issue-entry:hover {
  box-shadow: inset 3px 0 0 var(--cyan-deep);
}

.page-news .issue-entry--current {
  background: var(--cyan-pale);
  box-shadow: inset 3px 0 0 var(--cyan-deep);
}

.page-news .issue-entry:target {
  outline: 2px solid var(--cyan-bright);
  outline-offset: -2px;
}

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

.page-news .issue-entry__num {
  font-size: 15px;
  font-weight: 600;
  letter-spacing: .08em;
  color: var(--ink-900);
}

.page-news .issue-entry__time {
  margin-left: auto;
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--gray-500);
}

.page-news .issue-entry__title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 18px;
  line-height: 1.42;
  letter-spacing: .02em;
}

.page-news .issue-entry__sum {
  margin: 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-700);
}

/* ---------- 最新动态列表 ---------- */
.page-news .dispatch-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-news .dispatch-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 8px 14px;
  padding: 16px 4px 18px;
  border-bottom: 1px solid var(--line);
  transition: transform .16s var(--ease), background .16s var(--ease);
}

.page-news .dispatch-row:hover {
  transform: translateX(4px);
  background: rgba(217, 208, 193, .2);
}

.page-news .dispatch-row__tag {
  grid-column: 1;
  grid-row: 1;
  justify-self: start;
  align-self: start;
  padding: 4px 10px;
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: .08em;
  color: var(--paper-50);
  background: var(--ink-700);
  clip-path: polygon(5px 0, 100% 0, 100% calc(100% - 5px), calc(100% - 5px) 100%, 0 100%, 0 5px);
}

.page-news .dispatch-row__tag--new {
  background: var(--cyan-deep);
}

.page-news .dispatch-row__tag--old {
  background: var(--amber-deep);
}

.page-news .dispatch-row__body {
  grid-column: 1 / -1;
  grid-row: 2;
}

.page-news .dispatch-row__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 500;
  line-height: 1.55;
  letter-spacing: .01em;
  color: var(--ink-900);
}

.page-news .dispatch-row__sum {
  margin: 6px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--gray-500);
}

.page-news .dispatch-row__time {
  grid-column: 2;
  grid-row: 1;
  justify-self: end;
  align-self: start;
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--gray-500);
}

/* ---------- 专题系列 ---------- */
.page-news .topic-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}

.page-news .topic-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 20px 18px 20px;
  background: var(--paper-50);
  box-shadow: inset 0 2px 0 var(--cyan-deep);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 14px), calc(100% - 14px) 100%, 0 100%);
}

.page-news .topic-card--old {
  box-shadow: inset 0 2px 0 var(--amber-deep);
}

.page-news .topic-card__no {
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--cyan-deep);
}

.page-news .topic-card--old .topic-card__no {
  color: var(--amber-deep);
}

.page-news .topic-card__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 18px;
  line-height: 1.35;
  letter-spacing: .02em;
}

.page-news .topic-card__desc {
  flex: 1 1 auto;
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink-700);
}

.page-news .topic-card__progress {
  position: relative;
  height: 8px;
  margin-top: 4px;
  background: var(--line);
  overflow: visible;
}

.page-news .topic-card__bar {
  display: block;
  height: 100%;
  width: var(--pct, 60%);
  background-image: repeating-linear-gradient(115deg, var(--cyan-deep) 0 4px, rgba(11, 103, 115, .45) 4px 9px);
  transition: filter .16s var(--ease);
}

.page-news .topic-card--old .topic-card__bar {
  background-image: repeating-linear-gradient(115deg, var(--amber-deep) 0 4px, rgba(143, 84, 16, .45) 4px 9px);
}

.page-news .topic-card__progress:hover .topic-card__bar {
  filter: brightness(1.18);
}

.page-news .topic-card__progress::after {
  content: attr(data-hint);
  position: absolute;
  left: 0;
  bottom: calc(100% + 10px);
  max-width: 230px;
  padding: 7px 11px;
  background: var(--ink-950);
  color: var(--paper-100);
  font-size: 12px;
  line-height: 1.6;
  opacity: 0;
  transform: translateY(4px);
  transition: opacity .16s var(--ease), transform .16s var(--ease);
  pointer-events: none;
  z-index: 3;
}

.page-news .topic-card__progress:hover::after {
  opacity: 1;
  transform: translateY(0);
}

.page-news .topic-card__meta {
  margin: 0;
  font-size: 12px;
  letter-spacing: .05em;
  color: var(--gray-500);
}

/* ---------- 往期回看 ---------- */
.page-news .review-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-news .review-step {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 14px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}

.page-news .review-step__no {
  font-size: 16px;
  font-weight: 600;
  letter-spacing: .08em;
  color: var(--cyan-deep);
}

.page-news .review-step__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-700);
}

.page-news .review-step__text a,
.page-news .talk-panel__foot a {
  color: var(--cyan-deep);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-news .talk-panel__foot a {
  color: var(--cyan-bright);
}

/* ---------- 反馈面板 ---------- */
.page-news .talk-panel {
  padding: 26px 22px 28px;
  background: var(--ink-950);
  color: var(--paper-100);
  clip-path: polygon(20px 0, 100% 0, 100% calc(100% - 20px), calc(100% - 20px) 100%, 0 100%, 0 20px);
}

.page-news .talk-panel__lede {
  margin: 0 0 20px;
  max-width: 56ch;
  font-size: 16px;
  line-height: 1.85;
  color: rgba(245, 239, 228, .86);
}

.page-news .talk-panel__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-news .talk-panel__list li {
  display: grid;
  grid-template-columns: 1fr;
  gap: 5px;
  padding: 14px 0;
  border-top: 1px solid rgba(245, 239, 228, .18);
  font-size: 14px;
  line-height: 1.78;
  color: rgba(245, 239, 228, .76);
}

.page-news .talk-panel__k {
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--cyan-bright);
}

.page-news .talk-panel__foot {
  margin: 22px 0 18px;
  font-size: 14px;
  line-height: 1.85;
  color: rgba(245, 239, 228, .76);
}

.page-news .talk-panel .btn {
  color: var(--ink-950);
  background: var(--cyan-bright);
}

/* ---------- 右侧吸附栏 ---------- */
.page-news .news-shell__rail {
  display: grid;
  gap: 16px;
  min-width: 0;
  align-content: start;
}

.page-news .side-panel {
  padding: 16px 16px 18px;
  background: var(--paper-50);
  box-shadow: inset 0 0 0 1px var(--line);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 10px), calc(100% - 10px) 100%, 0 100%);
}

.page-news .side-panel__eyebrow {
  margin: 0 0 10px;
  font-size: 11px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--gray-500);
}

.page-news .side-panel__time {
  margin: 0;
  font-size: 17px;
  font-weight: 600;
  letter-spacing: .03em;
  color: var(--ink-900);
}

.page-news .side-panel__note {
  margin: 10px 0 0;
  font-size: 13px;
  line-height: 1.78;
  color: var(--ink-700);
}

.page-news .side-panel__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
  font-size: 13px;
  line-height: 1.65;
  color: var(--ink-700);
}

.page-news .side-panel__list li {
  display: flex;
  align-items: flex-start;
  gap: 8px;
}

.page-news .side-panel--track {
  background: var(--cyan-pale);
  box-shadow: inset 0 0 0 1px rgba(11, 103, 115, .3);
}

.page-news .status-dot {
  flex: 0 0 auto;
  width: 8px;
  height: 8px;
  margin-top: 6px;
  border-radius: 50%;
}

.page-news .status-dot--new {
  background: var(--cyan-deep);
}

.page-news .status-dot--old {
  background: var(--amber-deep);
}

.page-news .side-panel__list--links {
  display: grid;
  gap: 9px;
}

.page-news .side-panel__list--links a {
  color: var(--cyan-deep);
  text-decoration: none;
  border-bottom: 1px solid rgba(11, 103, 115, .32);
  padding-bottom: 1px;
}

.page-news .side-panel__list--links a:hover {
  border-bottom-color: var(--cyan-deep);
}

.page-news .side-panel--action {
  background: var(--ink-950);
  box-shadow: none;
}

.page-news .side-panel--action .side-panel__eyebrow {
  color: rgba(245, 239, 228, .6);
}

.page-news .side-panel--action .side-panel__note {
  color: rgba(245, 239, 228, .82);
}

.page-news .side-panel--action .btn {
  margin-top: 14px;
  color: var(--ink-950);
  background: var(--cyan-bright);
}

/* ---------- 断点 ---------- */
@media (min-width: 640px) {
  .page-news .news-masthead {
    padding-top: 32px;
  }

  .page-news .talk-panel {
    padding: 30px 30px 32px;
  }

  .page-news .talk-panel__list li {
    grid-template-columns: 108px minmax(0, 1fr);
    gap: 18px;
    padding: 15px 0;
  }
}

@media (min-width: 760px) {
  .page-news .topic-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-news .dispatch-row {
    grid-template-columns: 104px minmax(0, 1fr) 92px;
    align-items: baseline;
    gap: 18px;
    padding: 17px 6px 19px;
  }

  .page-news .dispatch-row__tag {
    grid-column: 1;
    grid-row: 1;
  }

  .page-news .dispatch-row__body {
    grid-column: 2;
    grid-row: 1;
  }

  .page-news .dispatch-row__time {
    grid-column: 3;
    grid-row: 1;
    text-align: right;
  }
}

@media (min-width: 1080px) {
  .page-news .news-shell {
    grid-template-columns: minmax(0, 1fr) var(--news-rail-w);
    gap: 56px;
    padding-top: 56px;
    padding-bottom: 96px;
  }

  .page-news .news-shell__rail {
    position: sticky;
    top: calc(var(--command-h) + 56px);
  }

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

@media (prefers-reduced-motion: reduce) {
  .page-news .issue-rail__link,
  .page-news .issue-entry,
  .page-news .dispatch-row,
  .page-news .topic-card__progress::after,
  .page-news .topic-card__bar {
    transition: none;
  }

  .page-news .dispatch-row:hover {
    transform: none;
  }

  .page-news .topic-card__progress::after {
    transform: none;
  }
}

.page-news {
  --pct: 1rem;
}