.page-news {
  --news-side: 264px;
  --news-tabcol: 110px;
  display: block;
}

/* ---------- 首屏：刻度窗口下的专栏入口 ---------- */
.page-news .column-hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(28px, 5vw, 56px) clamp(40px, 6vw, 80px);
  border-bottom: var(--edge);
}

.page-news .column-hero::after {
  content: "";
  position: absolute;
  top: -170px;
  right: -130px;
  width: 480px;
  height: 480px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(53, 196, 111, 0.16), rgba(53, 196, 111, 0) 68%);
  pointer-events: none;
}

.page-news .column-hero__crumb {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 clamp(24px, 4vw, 44px);
  font-size: 13px;
  color: var(--dim);
  position: relative;
  z-index: 1;
}

.page-news .column-hero__crumb .breadcrumb__item {
  color: var(--dim);
  text-decoration: none;
  transition: color var(--dur) var(--ease);
}

.page-news .column-hero__crumb .breadcrumb__item:hover {
  color: var(--white);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.page-news .column-hero__crumb .breadcrumb__item--current {
  color: var(--white);
}

.page-news .breadcrumb__sep {
  color: var(--stroke);
}

.page-news .column-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 32px;
}

.page-news .column-hero__title {
  margin: 12px 0 0;
  max-width: 20ch;
  letter-spacing: -0.02em;
  line-height: 1.06;
}

.page-news .column-hero__lede {
  margin: 20px 0 0;
  max-width: 48ch;
  font-size: 17px;
  line-height: 1.8;
  color: var(--dim);
}

.page-news .column-hero__meta {
  margin: 0;
  display: grid;
  border-top: var(--edge);
  align-self: end;
}

.page-news .column-hero__meta-row {
  display: grid;
  grid-template-columns: 88px minmax(0, 1fr);
  gap: 14px;
  margin: 0;
  padding: 14px 0;
  border-bottom: var(--edge);
}

.page-news .column-hero__meta-row dt {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--dim);
}

.page-news .column-hero__meta-row dd {
  margin: 0;
  font-size: 14px;
  line-height: 1.6;
  color: var(--white);
}

/* ---------- 本期头条 ---------- */
.page-news .column-lead {
  padding-block: clamp(40px, 7vw, 88px);
}

.page-news .column-lead__card {
  display: grid;
  overflow: hidden;
  border: var(--edge);
  background: var(--panel);
}

.page-news .column-lead__figure {
  position: relative;
  margin: 0;
  overflow: hidden;
}

.page-news .column-lead__figure img {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 240px;
  object-fit: cover;
}

.page-news .column-lead__caption {
  position: absolute;
  inset: auto 18px 18px 18px;
  padding: 10px 14px;
  border: 1px solid var(--stroke);
  background: rgba(7, 12, 17, 0.78);
  color: var(--dim);
  font-family: var(--f-serif);
  font-size: 13px;
  line-height: 1.55;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-news .column-lead__caption:hover {
  border-color: var(--orange);
  color: var(--white);
}

.page-news .column-lead__body {
  padding: clamp(24px, 4vw, 48px);
}

.page-news .column-lead__title {
  margin: 14px 0 0;
  line-height: 1.2;
}

.page-news .column-lead__text {
  margin: 20px 0 0;
  max-width: 42ch;
  font-size: 16px;
  line-height: 1.85;
  color: var(--dim);
}

.page-news .column-lead__note {
  margin: 26px 0 0;
  padding-top: 16px;
  border-top: var(--edge);
  font-size: 12.5px;
  color: var(--dim);
  letter-spacing: 0.04em;
}

/* ---------- 条目研究板 ---------- */
.page-news .board {
  padding-block: clamp(48px, 8vw, 104px);
  border-top: var(--edge);
}

.page-news .board__head {
  display: grid;
  gap: 14px;
  margin-bottom: clamp(28px, 4vw, 48px);
}

.page-news .board__head h2 {
  margin: 0;
  max-width: 24ch;
}

.page-news .board__head p {
  margin: 0;
  max-width: 58ch;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--dim);
}

.page-news .board__filters {
  position: relative;
  display: grid;
  gap: 32px;
}

.page-news .board__radio,
.page-news .board__more {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: 0;
  opacity: 0;
  pointer-events: none;
}

.page-news .board__side {
  display: grid;
  gap: 18px;
  align-content: start;
}

.page-news .board__side-title {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--dim);
}

.page-news .board__tabs {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-news .board__tab {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 10px 14px;
  border: 1px solid var(--stroke);
  background: transparent;
  color: var(--dim);
  font-size: 14px;
  cursor: pointer;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease),
    background-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-news .board__count {
  font-size: 12px;
  color: var(--dim);
}

.page-news .board__tab:hover {
  color: var(--white);
  border-color: var(--green);
  background: rgba(23, 34, 46, 0.7);
}

.page-news .board__notes {
  margin: 0;
  display: grid;
  gap: 14px;
  padding-top: 18px;
  border-top: var(--edge);
}

.page-news .board__note-row {
  margin: 0;
}

.page-news .board__note-row dt {
  font-family: var(--f-serif);
  font-size: 13.5px;
  color: var(--white);
}

.page-news .board__note-row dd {
  margin: 4px 0 0;
  font-size: 13px;
  line-height: 1.65;
  color: var(--dim);
}

.page-news .board__side-note {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--amber);
}

/* 纯 CSS 单选筛选 */
.page-news #coltag-all:checked ~ .board__side label[for="coltag-all"],
.page-news #coltag-review:checked ~ .board__side label[for="coltag-review"],
.page-news #coltag-version:checked ~ .board__side label[for="coltag-version"],
.page-news #coltag-season:checked ~ .board__side label[for="coltag-season"],
.page-news #coltag-data:checked ~ .board__side label[for="coltag-data"] {
  color: var(--white);
  border-color: var(--stroke);
  background: var(--panel);
  box-shadow: inset 3px 0 0 var(--green);
}

.page-news .board__list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: var(--edge);
}

.page-news .board__item {
  border-bottom: var(--edge);
  animation: news-fade 220ms var(--ease) both;
}

.page-news .board__item--extra {
  display: none;
}

.page-news #coltag-more:checked ~ .board__list .board__item--extra {
  display: block;
}

.page-news #coltag-review:checked ~ .board__list .board__item[data-cat]:not([data-cat="review"]),
.page-news #coltag-version:checked ~ .board__list .board__item[data-cat]:not([data-cat="version"]),
.page-news #coltag-season:checked ~ .board__list .board__item[data-cat]:not([data-cat="season"]),
.page-news #coltag-data:checked ~ .board__list .board__item[data-cat]:not([data-cat="data"]) {
  display: none;
}

.page-news .board__entry {
  display: block;
}

.page-news .board__row {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  grid-template-areas:
    "cat time"
    "title title";
  gap: 8px 16px;
  align-items: center;
  min-height: 64px;
  padding: 16px 10px 16px 20px;
  cursor: pointer;
  list-style: none;
  transition: background-color var(--dur) var(--ease);
}

.page-news .board__row::-webkit-details-marker {
  display: none;
}

.page-news .board__row::marker {
  content: "";
}

.page-news .board__row::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  bottom: 10px;
  width: 3px;
  background: var(--green);
  transform: scaleY(0);
  transform-origin: top center;
  transition: transform var(--dur) var(--ease);
}

.page-news .board__row:hover {
  background: rgba(23, 34, 46, 0.55);
}

.page-news .board__row:hover::before,
.page-news .board__entry[open] .board__row::before {
  transform: scaleY(1);
}

.page-news .board__row:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: 2px;
}

.page-news .board__cat {
  grid-area: cat;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--green);
}

.page-news .board__title {
  grid-area: title;
  margin: 0;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--white);
}

.page-news .board__time {
  grid-area: time;
  font-size: 12px;
  color: var(--dim);
  white-space: nowrap;
}

.page-news .board__body {
  padding: 0 24px 22px 20px;
}

.page-news .board__body p {
  margin: 0;
  max-width: 64ch;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--dim);
}

.page-news .board__entry[open] .board__body {
  box-shadow: inset 2px 0 0 var(--orange);
  padding-left: 24px;
}

.page-news .board__media {
  padding: 26px 0;
  border-bottom: var(--edge);
  animation: news-fade 220ms var(--ease) both;
}

.page-news .board__media figure {
  margin: 0;
}

.page-news .board__media img {
  display: block;
  width: 100%;
  height: auto;
}

.page-news .board__media .media__caption {
  font-size: 12.5px;
  color: var(--dim);
}

.page-news .board__more-row {
  display: flex;
  justify-content: center;
  padding: 26px 0 0;
}

.page-news .board__more-btn {
  cursor: pointer;
}

.page-news .board__more-close {
  display: none;
}

.page-news #coltag-more:checked ~ .board__list .board__more-open {
  display: none;
}

.page-news #coltag-more:checked ~ .board__list .board__more-close {
  display: inline;
}

/* ---------- 本季关注重点 ---------- */
.page-news .column-focus {
  padding-block: clamp(48px, 8vw, 96px);
  border-top: var(--edge);
}

.page-news .column-focus__grid {
  margin-top: clamp(26px, 4vw, 44px);
  display: grid;
  gap: 1px;
  background: var(--stroke);
  border: var(--edge);
}

.page-news .column-focus__cell {
  display: grid;
  gap: 12px;
  align-content: start;
  padding: clamp(24px, 3vw, 36px);
  background: var(--night);
}

.page-news .column-focus__idx {
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--orange);
}

.page-news .column-focus__cell h3 {
  margin: 0;
  font-size: 19px;
  line-height: 1.4;
  color: var(--white);
}

.page-news .column-focus__cell p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--dim);
}

/* ---------- 版本节点 ---------- */
.page-news .column-versions {
  padding-block: clamp(48px, 8vw, 96px);
  border-top: var(--edge);
}

.page-news .column-versions__grid {
  margin-top: clamp(26px, 4vw, 44px);
  display: grid;
  gap: 20px;
}

.page-news .version-card {
  position: relative;
  display: grid;
  gap: 12px;
  align-content: start;
  padding: clamp(22px, 3vw, 30px);
  border: var(--edge);
  background: var(--panel);
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-news .version-card:hover {
  border-color: var(--green);
  transform: translateY(-2px);
}

.page-news .version-card--now {
  padding-bottom: 46px;
}

.page-news .version-card--now::after {
  content: "";
  position: absolute;
  right: -1px;
  top: 24px;
  bottom: 24px;
  width: 3px;
  background: linear-gradient(180deg, var(--orange), rgba(255, 123, 51, 0));
}

.page-news .version-card__no {
  font-family: var(--f-serif);
  font-size: 15px;
  color: var(--amber);
}

.page-news .version-card__title {
  margin: 0;
  font-size: 20px;
  line-height: 1.35;
  color: var(--white);
}

.page-news .version-card__meta {
  margin: 0;
  font-family: var(--f-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--dim);
}

.page-news .version-card__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--dim);
}

.page-news .column-versions__media {
  margin: clamp(28px, 4vw, 44px) 0 0;
}

.page-news .column-versions__media img {
  display: block;
  width: 100%;
  height: auto;
}

.page-news .column-versions__media .media__caption {
  font-size: 12.5px;
  color: var(--dim);
}

/* ---------- 订阅与回访 ---------- */
.page-news .column-subscribe {
  padding-block: clamp(48px, 8vw, 96px);
  border-top: var(--edge);
}

.page-news .column-subscribe__text {
  margin: 20px 0 0;
  max-width: 52ch;
  font-size: 16px;
  line-height: 1.85;
  color: var(--dim);
}

.page-news .column-subscribe__contact {
  margin-top: 28px;
  display: grid;
  gap: 10px;
  justify-items: start;
  padding: 22px 24px;
  border: var(--edge);
  background: var(--panel);
}

.page-news .column-subscribe__label {
  margin: 0;
  font-size: 13px;
  color: var(--dim);
}

.page-news .column-subscribe__mail {
  margin: 0;
  font-size: 17px;
  letter-spacing: 0.04em;
  color: var(--white);
  word-break: break-all;
}

.page-news .column-subscribe__copy {
  cursor: pointer;
}

.page-news .column-subscribe__hours {
  margin: 0;
  font-size: 12.5px;
  color: var(--dim);
}

.page-news .column-subscribe__links {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-news .column-subscribe__media {
  margin: clamp(36px, 6vw, 64px) auto 0;
  max-width: var(--wide);
  padding-inline: var(--pad-x);
}

.page-news .column-subscribe__media img {
  display: block;
  width: 100%;
  height: auto;
}

.page-news .column-subscribe__media .media__caption {
  font-size: 12.5px;
  color: var(--dim);
}

@keyframes news-fade {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ---------- 响应式 ---------- */
@media (min-width: 900px) {
  .page-news .column-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: clamp(40px, 5vw, 72px);
    align-items: end;
  }

  .page-news .board__filters {
    grid-template-columns: var(--news-side) minmax(0, 1fr);
    gap: clamp(32px, 5vw, 64px);
    align-items: start;
  }

  .page-news .board__side {
    position: sticky;
    top: 96px;
    gap: 22px;
  }

  .page-news .board__tabs {
    flex-direction: column;
    flex-wrap: nowrap;
    gap: 4px;
  }

  .page-news .board__tab {
    padding: 12px 16px;
    border-color: transparent;
  }

  .page-news .board__row {
    grid-template-columns: var(--news-tabcol) minmax(0, 1fr) auto;
    grid-template-areas: "cat title time";
    gap: 0 16px;
    min-height: 64px;
    padding: 0 14px 0 20px;
  }

  .page-news .board__title {
    font-size: 17px;
  }

  .page-news .board__body {
    padding: 0 32px 26px 146px;
  }

  .page-news .board__entry[open] .board__body {
    padding-left: 150px;
  }
}

@media (min-width: 960px) {
  .page-news .column-lead__card {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }
}

@media (min-width: 820px) {
  .page-news .column-focus__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 880px) {
  .page-news .column-versions__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .board__item,
  .page-news .board__media {
    animation: none;
  }

  .page-news .column-lead__caption,
  .page-news .board__row,
  .page-news .board__row::before,
  .page-news .board__tab,
  .page-news .version-card {
    transition-duration: 1ms;
  }
}