/* ==========================================================================
   page-news — 赛场手记
   作用域：.page-news
   ========================================================================== */

.page-news {
  --news-ink: #0a1230;
  --news-text: #9fabcb;
  --news-paper-rule: rgba(27, 20, 16, .14);
}

/* ---------- 面包屑 ---------- */
.page-news .crumbs {
  padding-block: 18px 10px;
}

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  padding-top: clamp(6px, 1.6vw, 16px);
}

.page-news .news-hero-stage {
  position: relative;
  display: grid;
  align-content: end;
  min-height: clamp(340px, 44vw, 520px);
  padding: clamp(22px, 4.4vw, 56px);
  overflow: hidden;
  isolation: isolate;
  background: var(--news-ink);
  border: 1px solid var(--line);
}

.page-news .news-hero-stage::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background-image:
    linear-gradient(to right, rgba(140, 151, 184, .13) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(140, 151, 184, .13) 1px, transparent 1px);
  background-size: 64px 64px;
  pointer-events: none;
}

.page-news .news-hero-img {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .42;
  filter: saturate(.85) contrast(1.06);
}

.page-news .news-hero-stage::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(172deg, rgba(7, 14, 36, .22) 0%, rgba(7, 14, 36, .74) 54%, rgba(7, 14, 36, .96) 100%);
  pointer-events: none;
}

.page-news .news-hero-copy {
  position: relative;
  z-index: 2;
  max-width: 720px;
}

.page-news .news-kicker {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .18em;
  color: var(--cyan);
}

.page-news .news-hero h1 {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-size: clamp(42px, 8.6vw, 88px);
  line-height: .98;
  letter-spacing: -.02em;
  color: var(--paper);
}

.page-news .news-hero-lead {
  margin: 0 0 26px;
  max-width: 600px;
  font-size: clamp(15px, 1.5vw, 17.5px);
  line-height: 1.78;
  color: #c4cde4;
}

.page-news .news-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 首页专题带 ---------- */
.page-news .topic-rail {
  margin-top: clamp(26px, 4vw, 46px);
  overflow-x: auto;
  overflow-y: hidden;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  scrollbar-color: var(--line) transparent;
}

.page-news .topic-rail:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: -2px;
}

.page-news .topic-track {
  display: flex;
  gap: 16px;
  margin: 0;
  padding: 4px max(var(--gutter), calc((100vw - var(--wrap)) / 2)) 22px;
  list-style: none;
  scroll-snap-type: x mandatory;
}

.page-news .topic-card {
  flex: 0 0 min(320px, 80vw);
  scroll-snap-align: start;
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 22px 20px 20px;
  background: var(--indigo);
  border: 1px solid var(--line);
  border-top: 2px solid var(--violet);
  transition: transform .22s ease, border-color .22s ease, box-shadow .22s ease;
}

.page-news .topic-card:hover {
  transform: translateY(-4px);
  border-color: rgba(44, 232, 216, .55);
  box-shadow: 0 0 0 1px rgba(44, 232, 216, .16), 0 16px 34px rgba(3, 7, 20, .6);
}

.page-news .topic-idx {
  display: block;
  font-size: 11.5px;
  letter-spacing: .16em;
  color: var(--slate);
}

.page-news .topic-card h3 {
  margin: 12px 0 10px;
  font-family: var(--font-heading);
  font-size: 19px;
  line-height: 1.36;
  color: var(--paper);
}

.page-news .topic-card p {
  margin: 0 0 16px;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--news-text);
}

.page-news .topic-tag {
  margin-top: auto;
  align-self: flex-start;
  padding: 3px 9px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .04em;
  color: var(--cyan);
  border: 1px solid rgba(44, 232, 216, .34);
}

/* ---------- 双栏主结构 ---------- */
.page-news .news-columns {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(30px, 5vw, 56px);
  align-items: start;
}

/* ---------- 笔记区块 ---------- */
.page-news .note-block {
  padding-top: 26px;
  border-top: 1px solid var(--line);
}

.page-news .note-block + .note-block {
  margin-top: clamp(38px, 6vw, 68px);
}

.page-news .note-block-head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 0 14px;
  align-items: baseline;
  margin-bottom: 20px;
}

.page-news .note-block-num {
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--violet);
}

.page-news .note-block-title {
  margin: 0;
  font-family: var(--font-heading);
  font-size: clamp(22px, 2.6vw, 30px);
  line-height: 1.25;
  letter-spacing: -.01em;
  color: var(--paper);
}

.page-news .note-block-sub {
  grid-column: 2;
  margin: 9px 0 0;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--slate);
}

.page-news .preview-figure {
  margin: 0 0 10px;
  aspect-ratio: 10 / 7;
  overflow: hidden;
  background: var(--news-ink);
}

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

.page-news .figure-note {
  margin: 0 0 22px;
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--mute);
}

/* ---------- 笔记条目 ---------- */
.page-news .note-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .note-item {
  position: relative;
  padding: 18px 0;
  border-top: 1px solid var(--line);
  transition: padding-left .2s ease;
}

.page-news .note-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 22px;
  bottom: 22px;
  width: 2px;
  background: var(--cyan);
  transform: scaleY(0);
  transform-origin: top center;
  transition: transform .24s ease;
}

.page-news .note-item:hover::before {
  transform: scaleY(1);
}

.page-news .note-item:hover {
  padding-left: 14px;
}

.page-news .note-time {
  display: block;
  margin-bottom: 7px;
  font-size: 12.5px;
  letter-spacing: .08em;
  color: var(--cyan);
}

.page-news .note-title {
  margin: 0 0 8px;
  font-family: var(--font-heading);
  font-size: 18px;
  line-height: 1.42;
  color: var(--paper);
}

.page-news .note-text {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--news-text);
}

/* ---------- 数据观察主条目 ---------- */
.page-news .data-feature {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 20px;
  margin-bottom: 24px;
  padding: clamp(18px, 2.6vw, 26px);
  background: linear-gradient(138deg, rgba(123, 77, 255, .16) 0%, rgba(16, 26, 68, .92) 58%);
  border: 1px solid var(--line);
}

.page-news .data-feature-copy .note-title {
  font-size: clamp(19px, 2.2vw, 23px);
}

.page-news .data-feature-img {
  margin: 0;
  aspect-ratio: 10 / 7;
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--news-ink);
}

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

/* ---------- 右栏 ---------- */
.page-news .news-side {
  display: grid;
  gap: clamp(24px, 3.6vw, 36px);
  min-width: 0;
}

.page-news .side-block {
  padding: 24px 22px 26px;
  background: var(--indigo);
  border: 1px solid var(--line);
}

.page-news .side-head {
  margin-bottom: 16px;
}

.page-news .side-num {
  display: block;
  margin-bottom: 7px;
  font-size: 11.5px;
  letter-spacing: .18em;
  color: var(--cyan);
}

.page-news .side-title {
  margin: 0;
  font-family: var(--font-heading);
  font-size: 21px;
  line-height: 1.32;
  color: var(--paper);
}

.page-news .side-figure {
  margin: 0 0 20px;
  aspect-ratio: 10 / 7;
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--news-ink);
}

.page-news .side-figure img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .88;
}

/* ---------- 版本迭代时间线 ---------- */
.page-news .version-track {
  margin: 0;
  padding: 0 0 0 24px;
  list-style: none;
  border-left: 1px solid var(--line);
}

.page-news .version-item {
  position: relative;
}

.page-news .version-item + .version-item {
  border-top: 1px solid rgba(42, 53, 86, .7);
}

.page-news .version-item::before {
  content: "";
  position: absolute;
  top: 19px;
  left: -29px;
  width: 8px;
  height: 8px;
  background: var(--void);
  border: 1px solid var(--violet);
  transform: rotate(45deg);
  transition: background .2s ease, border-color .2s ease;
}

.page-news .version-item:hover::before,
.page-news .version-item[data-open]::before {
  background: var(--cyan);
  border-color: var(--cyan);
}

.page-news .version-trigger {
  display: block;
  width: 100%;
  padding: 15px 0 13px;
  text-align: left;
  background: none;
  border: 0;
  cursor: pointer;
  color: inherit;
}

.page-news .version-trigger:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-news .version-time {
  display: block;
  font-size: 11.5px;
  letter-spacing: .1em;
  color: var(--slate);
}

.page-news .version-name {
  display: block;
  margin-top: 5px;
  font-family: var(--font-heading);
  font-size: 16px;
  line-height: 1.45;
  color: var(--paper);
}

.page-news .version-panel p {
  margin: 0;
  padding: 0 0 16px;
  font-size: 14px;
  line-height: 1.72;
  color: var(--news-text);
}

/* ---------- 奶油纸索引卡 ---------- */
.page-news .side-block--paper {
  background: var(--paper);
  border-color: #cbbfa6;
}

.page-news .side-block--paper .side-num {
  color: #8a7758;
}

.page-news .side-block--paper .side-title {
  color: var(--brown);
}

.page-news .pick-list {
  margin: 0 0 24px;
  padding: 0;
  list-style: none;
}

.page-news .pick-list li + li {
  border-top: 1px solid var(--news-paper-rule);
}

.page-news .pick-list a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 13px 0;
  font-family: var(--font-heading);
  font-size: 15.5px;
  line-height: 1.4;
  color: var(--brown);
  text-decoration: none;
}

.page-news .pick-list a::before {
  content: "→";
  flex: none;
  font-family: var(--font-mono);
  color: #b25d1f;
  transition: transform .2s ease;
}

.page-news .pick-list a:hover {
  color: #a03b12;
}

.page-news .pick-list a:hover::before {
  transform: translateX(4px);
}

.page-news .side-note {
  margin: 0 0 12px;
  font-size: 11.5px;
  letter-spacing: .14em;
  color: #8a7758;
}

.page-news .side-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-news .side-block--paper .chip {
  border-color: var(--violet);
  color: #33245e;
  background: rgba(123, 77, 255, .08);
  text-decoration: none;
}

.page-news .side-block--paper .chip:hover {
  background: rgba(123, 77, 255, .2);
}

/* ---------- 更新节奏 ---------- */
.page-news .rhythm-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
  margin-top: 28px;
}

.page-news .rhythm-card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 26px 22px 22px;
  background: var(--indigo);
  border: 1px solid var(--line);
  border-left: 2px solid var(--cyan);
  transition: transform .22s ease, box-shadow .22s ease;
}

.page-news .rhythm-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 34px rgba(3, 7, 20, .55);
}

.page-news .rhythm-kicker {
  display: block;
  font-size: 11.5px;
  letter-spacing: .1em;
  line-height: 1.6;
  color: var(--slate);
}

.page-news .rhythm-card h3 {
  margin: 12px 0 10px;
  font-family: var(--font-heading);
  font-size: 19px;
  line-height: 1.38;
  color: var(--paper);
}

.page-news .rhythm-card p {
  margin: 0 0 20px;
  font-size: 14.5px;
  line-height: 1.76;
  color: var(--news-text);
}

.page-news .rhythm-link {
  margin-top: auto;
  align-self: flex-start;
  padding-bottom: 2px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .05em;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(44, 232, 216, .36);
}

.page-news .rhythm-link:hover {
  border-bottom-color: var(--cyan);
}

.page-news .rhythm-foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin-top: clamp(26px, 4vw, 40px);
  padding: 22px 0 0;
  border-top: 1px solid var(--line);
}

.page-news .rhythm-foot p {
  margin: 0;
  max-width: 620px;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--news-text);
}

.page-news .rhythm-foot-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 平板 / 桌面 ---------- */
@media (min-width: 720px) {
  .page-news .data-feature {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
    align-items: center;
  }
}

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

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

  .page-news .news-side {
    position: sticky;
    top: 92px;
  }
}

@media (min-width: 1200px) {
  .page-news .topic-card {
    flex-basis: 340px;
  }
}

/* ---------- 减弱动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-news .topic-card,
  .page-news .note-item,
  .page-news .rhythm-card,
  .page-news .pick-list a::before {
    transition: none;
  }

  .page-news .topic-card:hover,
  .page-news .rhythm-card:hover {
    transform: none;
  }
}
<<<END>>>