/* ==========================================================
   编辑专栏 page-news
   ========================================================== */

.page-news {
  --news-edge: max(var(--gutter), calc((100vw - var(--shell-max)) / 2));
  --news-gap: clamp(24px, 4vw, 56px);
  background: var(--paper);
  color: var(--ink-800);
}

/* ---------- 页面内色带 ---------- */
.page-news .news-band {
  position: relative;
  padding: clamp(46px, 7vw, 90px) 0;
}

.page-news .news-band--ink {
  background: var(--ink-800);
  color: var(--paper);
}

.page-news .news-band--paper {
  background: var(--paper);
}

.page-news .news-band--paper2 {
  background: var(--paper-2);
}

.page-news .news-band--ink .section-head__title {
  color: var(--paper);
}

.page-news .news-band--ink .lead {
  color: rgba(247, 243, 236, 0.76);
}

.page-news .news-band--ink .eyebrow {
  color: var(--orange);
}

/* ---------- 首屏 ---------- */
.page-news .news-masthead {
  position: relative;
  overflow: hidden;
  padding: clamp(22px, 3.5vw, 36px) 0 clamp(46px, 7vw, 86px);
  background: linear-gradient(180deg, var(--ink-900) 0%, var(--ink-800) 100%);
  color: var(--paper);
}

.page-news .news-masthead::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(
    90deg,
    rgba(247, 243, 236, 0.055) 0 1px,
    transparent 1px 88px
  );
  pointer-events: none;
}

.page-news .news-masthead > .shell {
  position: relative;
  z-index: 1;
}

.page-news .news-masthead .crumb {
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--ink-300);
}

.page-news .news-masthead .crumb a {
  color: var(--ink-300);
  text-decoration: none;
  transition: color var(--dur) var(--ease);
}

.page-news .news-masthead .crumb a:hover {
  color: var(--orange);
}

.page-news .news-masthead .crumb__sep {
  margin: 0 8px;
  opacity: 0.6;
}

.page-news .news-masthead .eyebrow {
  color: var(--orange);
  margin-top: clamp(26px, 4vw, 46px);
}

.page-news .masthead-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 5vw, 56px);
  align-items: start;
}

@media (min-width: 900px) {
  .page-news .masthead-grid {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
  }
}

.page-news .news-masthead h1 {
  margin: 14px 0 0;
  font-family: var(--font-serif);
  font-weight: 900;
  font-size: clamp(30px, 5.2vw, 54px);
  line-height: 1.18;
  letter-spacing: -0.012em;
  color: var(--paper);
}

.page-news .news-masthead .lead {
  margin: 20px 0 0;
  max-width: 46ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.92;
  color: rgba(247, 243, 236, 0.78);
}

.page-news .masthead-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px 24px;
  margin-top: 30px;
}

.page-news .masthead-actions .link-arrow {
  color: var(--paper);
}

.page-news .masthead-actions .link-arrow:hover {
  color: var(--orange);
}

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

.page-news .masthead-figure .media__cap {
  margin-top: 12px;
  font-size: 12.5px;
  line-height: 1.75;
  color: rgba(247, 243, 236, 0.6);
}

.page-news .masthead-stats {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  margin-top: clamp(34px, 5vw, 54px);
  padding-top: 22px;
  border-top: 1px solid var(--line-light);
}

@media (min-width: 620px) {
  .page-news .masthead-stats {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px 32px;
  }
}

.page-news .news-stat {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.page-news .news-stat__num {
  font-family: var(--font-num);
  font-weight: 600;
  font-size: clamp(22px, 2.8vw, 30px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--orange);
}

.page-news .news-stat__label {
  font-size: 12.5px;
  line-height: 1.75;
  color: rgba(247, 243, 236, 0.62);
}

/* ---------- 本季专题 ---------- */
.page-news .news-topics {
  overflow: hidden;
}

.page-news .topics-scene {
  position: absolute;
  inset: 0;
  opacity: 0.16;
  pointer-events: none;
}

.page-news .topics-scene img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.page-news .news-topics > .shell {
  position: relative;
  z-index: 1;
}

.page-news .topics-band {
  position: relative;
  z-index: 1;
  display: flex;
  gap: 16px;
  overflow-x: auto;
  padding: 8px var(--news-edge) 22px;
  margin-top: clamp(26px, 4vw, 40px);
  scroll-snap-type: x proximity;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.page-news .topics-band::-webkit-scrollbar {
  display: none;
}

.page-news .topic-card {
  flex: 0 0 auto;
  width: min(76%, 300px);
  scroll-snap-align: start;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 22px 20px 24px;
  background: var(--glass);
  border: 1px solid var(--line-light);
  border-radius: var(--radius);
  transition: transform var(--dur) var(--ease),
    background var(--dur) var(--ease),
    border-color var(--dur) var(--ease);
}

.page-news .topic-card:hover,
.page-news .topic-card:focus-within {
  transform: translateY(-4px);
  background: var(--glass-2);
  border-color: rgba(242, 140, 56, 0.5);
}

@media (min-width: 860px) {
  .page-news .topic-card { width: 318px; }
  .page-news .topic-card:nth-child(2) { width: 402px; }
  .page-news .topic-card:nth-child(3) { width: 278px; }
  .page-news .topic-card:nth-child(4) { width: 354px; }
  .page-news .topic-card:nth-child(5) { width: 300px; }
}

.page-news .topic-card__meta {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0;
}

.page-news .topic-card__count {
  font-family: var(--font-num);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  color: rgba(247, 243, 236, 0.55);
}

.page-news .topic-card__title {
  margin: 0;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(20px, 2.4vw, 26px);
  line-height: 1.36;
  color: var(--paper);
}

.page-news .topic-card__point {
  flex: 1;
  margin: 0;
  font-size: 14px;
  line-height: 1.88;
  color: rgba(247, 243, 236, 0.74);
}

.page-news .topic-card .link-arrow {
  color: var(--orange);
  align-self: flex-start;
}

/* ---------- 更新条目 ---------- */
.page-news .feed-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 4vw, 56px);
}

@media (min-width: 980px) {
  .page-news .feed-split {
    grid-template-columns: minmax(0, 7fr) minmax(0, 3fr);
    align-items: start;
  }
}

.page-news .feed {
  margin-top: clamp(24px, 4vw, 40px);
  padding-inline: 8px;
  margin-inline: -8px;
  border-top: 1px solid var(--line-strong);
  overflow: hidden;
}

.page-news .feed__item {
  border-bottom: 1px solid var(--line);
}

.page-news .feed__row {
  display: grid;
  grid-template-columns: 1fr auto;
  grid-template-areas:
    "cat time"
    "title title";
  gap: 8px 14px;
  align-items: baseline;
  padding: 16px 0;
  list-style: none;
  cursor: pointer;
  transition: transform var(--dur) var(--ease);
}

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

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

.page-news .feed__item:hover .feed__row,
.page-news .feed__item[open] .feed__row {
  transform: translateX(4px);
}

@media (min-width: 780px) {
  .page-news .feed__row {
    grid-template-columns: 96px minmax(0, 1fr) auto;
    grid-template-areas: "cat title time";
    gap: 16px;
    padding: 18px 0;
  }
}

.page-news .feed__cat {
  grid-area: cat;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-family: var(--font-num);
  font-size: 11px;
  letter-spacing: 0.12em;
  white-space: nowrap;
  color: var(--ink-300);
}

.page-news .feed__cat::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--ink-300);
  flex: 0 0 auto;
}

.page-news .feed__item[data-cat="说明更新"] .feed__cat::before { background: var(--ink-600); }
.page-news .feed__item[data-cat="案例新增"] .feed__cat::before { background: var(--green); }
.page-news .feed__item[data-cat="工具变更"] .feed__cat::before { background: var(--orange); }
.page-news .feed__item[data-cat="版本发布"] .feed__cat::before { background: var(--ink-300); }

.page-news .feed__title {
  grid-area: title;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(16px, 1.9vw, 19px);
  line-height: 1.55;
  color: var(--ink-800);
  transition: color var(--dur) var(--ease);
}

.page-news .feed__item:hover .feed__title,
.page-news .feed__item[open] .feed__title {
  color: var(--orange-ink);
}

.page-news .feed__time {
  grid-area: time;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-family: var(--font-num);
  font-size: 12px;
  white-space: nowrap;
  color: var(--ink-300);
}

.page-news .feed__arrow {
  display: inline-block;
  color: var(--orange);
  opacity: 0;
  transform: translateX(-4px);
  transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-news .feed__item:hover .feed__arrow,
.page-news .feed__item[open] .feed__arrow {
  opacity: 1;
  transform: translateX(0);
}

.page-news .feed__body {
  max-width: 62ch;
  margin: 0 0 20px;
  padding-left: 14px;
  border-left: 2px solid var(--orange);
  font-size: 14.5px;
  line-height: 1.9;
  color: var(--ink-600);
}

.page-news .feed-rail {
  padding-top: 20px;
  border-top: 1px solid var(--line-strong);
}

.page-news .feed-rail__label {
  margin: 0 0 12px;
  font-family: var(--font-num);
  font-size: 11.5px;
  letter-spacing: 0.12em;
  color: var(--ink-300);
}

.page-news .feed-rail__label:not(:first-child) {
  margin-top: 30px;
}

.page-news .feed-rail__list,
.page-news .feed-rail__links {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-news .feed-rail__list li {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding: 8px 0;
  border-bottom: 1px solid var(--line);
  font-size: 14px;
}

.page-news .feed-rail__k {
  color: var(--ink-600);
}

.page-news .feed-rail__v {
  font-family: var(--font-num);
  font-weight: 600;
  color: var(--ink-800);
}

.page-news .feed-rail__links li {
  padding: 6px 0;
}

.page-news .feed-rail__links .link-arrow {
  font-size: 14.5px;
  color: var(--ink-800);
}

.page-news .feed-rail__links .link-arrow:hover {
  color: var(--orange-ink);
}

/* ---------- 版本迭代 ---------- */
.page-news .version-figure {
  margin: clamp(26px, 4vw, 40px) 0 0;
}

.page-news .media--3x2 {
  aspect-ratio: 3 / 2;
}

.page-news .version-figure .media__cap {
  margin-top: 10px;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--ink-300);
}

.page-news .vlist {
  list-style: none;
  margin: clamp(30px, 4vw, 48px) 0 0;
  padding: 0;
  border-top: 1px solid var(--line-strong);
}

.page-news .vitem {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  padding: clamp(22px, 3vw, 32px) 0;
  border-bottom: 1px solid var(--line);
}

@media (min-width: 780px) {
  .page-news .vitem {
    grid-template-columns: 150px minmax(0, 1fr);
    gap: 10px 30px;
    align-items: start;
  }
}

.page-news .vitem__num {
  font-family: var(--font-num);
  font-weight: 600;
  font-size: clamp(28px, 3.6vw, 40px);
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--ink-300);
  transition: color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-news .vitem:hover .vitem__num {
  color: var(--orange);
  transform: translateX(3px);
}

.page-news .vitem__when {
  margin: 0 0 8px;
  font-family: var(--font-num);
  font-size: 11.5px;
  letter-spacing: 0.12em;
  color: var(--ink-300);
}

.page-news .vitem__title {
  margin: 0 0 12px;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(18px, 2.1vw, 22px);
  line-height: 1.46;
  color: var(--ink-800);
}

.page-news .vitem__list {
  margin: 0;
  padding-left: 18px;
  font-size: 14.5px;
  line-height: 1.9;
  color: var(--ink-600);
}

.page-news .vitem__list li {
  margin-bottom: 6px;
}

.page-news .vitem__list li::marker {
  color: var(--green);
}

/* ---------- 案例观察 ---------- */
.page-news .case-figure {
  margin: clamp(26px, 4vw, 42px) 0 0;
}

.page-news .case-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  margin-top: clamp(26px, 4vw, 40px);
}

@media (min-width: 780px) {
  .page-news .case-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    align-items: start;
  }
  .page-news .case:nth-child(1) { grid-column: 1; }
  .page-news .case:nth-child(2) { grid-column: 2; margin-top: 46px; }
  .page-news .case:nth-child(3) { grid-column: 1; }
}

.page-news .case {
  padding: 24px 22px 26px;
  background: var(--glass);
  border: 1px solid var(--line-light);
  border-radius: var(--radius);
  transition: transform var(--dur) var(--ease),
    background var(--dur) var(--ease),
    border-color var(--dur) var(--ease);
}

.page-news .case:hover {
  transform: translateY(-4px);
  background: var(--glass-2);
  border-color: rgba(58, 157, 143, 0.5);
}

.page-news .case__tag {
  display: inline-block;
  margin: 0 0 16px;
  padding: 3px 9px;
  border: 1px solid rgba(58, 157, 143, 0.42);
  border-radius: var(--radius);
  font-family: var(--font-num);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--green);
}

.page-news .case__title {
  margin: 0 0 12px;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(18px, 2.1vw, 23px);
  line-height: 1.44;
  color: var(--paper);
}

.page-news .case__text {
  margin: 0 0 16px;
  font-size: 14.5px;
  line-height: 1.92;
  color: rgba(247, 243, 236, 0.76);
}

.page-news .case__point {
  margin: 0;
  padding-top: 14px;
  border-top: 1px solid var(--line-light);
  font-size: 13.5px;
  line-height: 1.82;
  color: var(--orange);
}

/* ---------- 如何追更 ---------- */
.page-news .follow-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 4vw, 52px);
  align-items: start;
}

@media (min-width: 900px) {
  .page-news .follow-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
  }
}

.page-news .follow-grid .step-path {
  margin-top: clamp(26px, 4vw, 40px);
}

.page-news .entry-card {
  padding: 28px 24px 30px;
  background: var(--ink-800);
  color: var(--paper);
  border-radius: var(--radius);
}

.page-news .entry-card .eyebrow {
  color: var(--orange);
}

.page-news .entry-card__title {
  margin: 12px 0 0;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(20px, 2.3vw, 25px);
  line-height: 1.4;
  color: var(--paper);
}

.page-news .entry-list {
  list-style: none;
  display: grid;
  gap: 2px;
  margin: 20px 0 0;
  padding: 0;
}

.page-news .entry-list a {
  display: block;
  padding: 13px 14px;
  border: 1px solid var(--line-light);
  border-radius: var(--radius);
  font-size: 14.5px;
  line-height: 1.62;
  color: rgba(247, 243, 236, 0.86);
  text-decoration: none;
  transition: background var(--dur) var(--ease),
    transform var(--dur) var(--ease),
    border-color var(--dur) var(--ease),
    color var(--dur) var(--ease);
}

.page-news .entry-list a:hover,
.page-news .entry-list a:focus-visible {
  background: var(--glass-2);
  border-color: rgba(242, 140, 56, 0.5);
  transform: translateX(4px);
  color: var(--white);
}

/* ---------- 键盘焦点统一 ---------- */
.page-news a:focus-visible,
.page-news summary:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: 3px;
  box-shadow: 0 0 0 4px rgba(242, 140, 56, 0.18);
}

/* ---------- 窄屏收尾 ---------- */
@media (max-width: 560px) {
  .page-news .masthead-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .page-news .masthead-actions .btn,
  .page-news .masthead-actions .link-arrow {
    width: 100%;
    text-align: center;
  }

  .page-news .topic-card {
    width: 82%;
  }

  .page-news .feed__row {
    padding: 15px 0;
  }

  .page-news .vitem__num {
    font-size: 26px;
  }
}
</main>