.page-news {
  --rail-w: 240px;
  --entry-line: rgba(107, 127, 120, .22);
}

.page-news .column-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: calc(var(--header-h) + 36px) 0 10px;
}

.page-news .column-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(88% 68% at 92% 0%, rgba(127, 183, 201, .44), transparent 62%),
    linear-gradient(116deg, rgba(14, 90, 74, .09) 0 43%, rgba(127, 183, 201, .30) 43% 62%, rgba(245, 246, 242, 0) 62%),
    var(--mist);
}

.page-news .hero-inner {
  display: grid;
  gap: 28px;
}

.page-news .hero-copy .breadcrumbs {
  margin-bottom: 18px;
}

.page-news .hero-copy h1 {
  margin: 10px 0 16px;
  font-size: clamp(28px, 7vw, 46px);
  line-height: 1.16;
  letter-spacing: -.015em;
  font-weight: 800;
  color: var(--ink);
}

.page-news .hero-copy .lede {
  margin: 0;
  max-width: 36em;
  font-size: 16px;
  line-height: 1.78;
  color: var(--moss);
}

.page-news .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.page-news .hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 16px 30px;
  margin: 28px 0 0;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.page-news .hero-stats div {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.page-news .hero-stats dt {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .14em;
  color: var(--moss);
}

.page-news .hero-stats dd {
  margin: 0;
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
}

.page-news .hero-figure {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  background: linear-gradient(135deg, rgba(127, 183, 201, .38), rgba(14, 90, 74, .26));
}

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

/* 双栏：左索引栏 + 右文章流 */
.page-news .column-layout {
  display: grid;
  gap: 30px;
  padding-top: 44px;
  padding-bottom: 64px;
}

.page-news .column-rail {
  display: flex;
  gap: 12px;
  overflow-x: auto;
  padding-bottom: 6px;
  scrollbar-width: none;
}

.page-news .column-rail::-webkit-scrollbar {
  display: none;
}

.page-news .column-rail > * {
  flex: 0 0 auto;
}

.page-news .rail-card {
  width: 230px;
  padding: 16px 18px;
  border-radius: var(--radius-md);
  background: var(--fir);
  color: #fff;
  box-shadow: var(--shadow-card);
}

.page-news .rail-issue-no {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 600;
  letter-spacing: .10em;
  color: var(--sand);
}

.page-news .rail-issue-label {
  margin: 4px 0 10px;
  font-size: 12.5px;
  letter-spacing: .06em;
  color: rgba(255, 255, 255, .82);
}

.page-news .rail-issue-text {
  margin: 0;
  font-size: 12.5px;
  line-height: 1.7;
  color: rgba(255, 255, 255, .76);
}

.page-news .rail-nav {
  width: 230px;
  padding: 16px 18px;
  border-radius: var(--radius-md);
  background: var(--frost);
  border: 1px solid var(--line);
}

.page-news .rail-heading {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .16em;
  color: var(--moss);
}

.page-news .rail-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-news .rail-nav a {
  display: flex;
  align-items: baseline;
  gap: 9px;
  padding: 6px 0;
  font-size: 13.5px;
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

.page-news .rail-nav a span {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ice);
}

.page-news .rail-nav a:hover,
.page-news .rail-nav a:focus-visible {
  color: var(--fir);
  border-color: var(--line-strong);
}

.page-news .rail-meta {
  width: 230px;
  padding: 16px 18px;
  border-radius: var(--radius-md);
  background: rgba(217, 164, 65, .16);
  border: 1px solid rgba(217, 164, 65, .38);
}

.page-news .rail-meta p {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: #6b4a10;
}

.page-news .rail-meta p:last-child {
  margin-bottom: 0;
}

.page-news .rail-meta strong {
  font-size: 15px;
}

.page-news .column-flow {
  min-width: 0;
}

.page-news .flow-head {
  margin-bottom: 20px;
}

.page-news .flow-head h2 {
  margin: 8px 0 10px;
  font-size: clamp(21px, 4.6vw, 28px);
  line-height: 1.3;
  font-weight: 700;
  color: var(--ink);
}

.page-news .flow-lede {
  margin: 0;
  max-width: 40em;
  font-size: 15px;
  line-height: 1.75;
  color: var(--moss);
}

/* 本期摘要面板 */
.page-news .digest-panel {
  border-radius: var(--radius-lg);
  padding: 22px;
  background: linear-gradient(150deg, #24466f 0%, var(--indigo) 58%, #162946 100%);
  color: #fff;
  box-shadow: var(--shadow-card);
}

.page-news .digest-grid {
  display: grid;
  gap: 20px;
}

.page-news .digest-figure {
  margin: 0;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: rgba(127, 183, 201, .18);
}

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

.page-news .digest-facts {
  display: grid;
  gap: 10px;
  align-content: start;
}

.page-news .fact {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, .08);
  border-left: 3px solid var(--ice);
}

.page-news .fact--sand {
  border-left-color: var(--sand);
}

.page-news .fact-num {
  font-family: var(--font-mono);
  font-size: 24px;
  font-weight: 600;
  letter-spacing: -.02em;
  color: var(--sand);
  flex: 0 0 auto;
}

.page-news .fact--sand .fact-num {
  color: #f3cd84;
}

.page-news .fact-label {
  font-size: 13px;
  line-height: 1.6;
  color: rgba(255, 255, 255, .86);
}

.page-news .digest-note {
  margin: 18px 0 0;
  padding-top: 16px;
  border-top: 1px solid rgba(255, 255, 255, .18);
  font-size: 13.5px;
  line-height: 1.78;
  color: rgba(255, 255, 255, .78);
}

/* 分类筛选 */
.page-news .filter-bar {
  margin-top: 4px;
}

.page-news .filter-labels {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 20px;
}

.page-news .filter-labels label {
  display: inline-block;
  padding: 7px 13px;
  border-radius: 999px;
  border: 1px solid var(--line-strong);
  background: var(--frost);
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .03em;
  color: var(--moss);
  cursor: pointer;
  transition: background .2s var(--ease), color .2s var(--ease), border-color .2s var(--ease);
}

.page-news .filter-labels label:hover {
  color: var(--ink);
  border-color: var(--fir);
}

.page-news #f-all:checked ~ .filter-labels label[for="f-all"],
.page-news #f-index:checked ~ .filter-labels label[for="f-index"],
.page-news #f-version:checked ~ .filter-labels label[for="f-version"],
.page-news #f-newbie:checked ~ .filter-labels label[for="f-newbie"],
.page-news #f-mobile:checked ~ .filter-labels label[for="f-mobile"],
.page-news #f-help:checked ~ .filter-labels label[for="f-help"] {
  background: var(--fir);
  border-color: var(--fir);
  color: #fff;
}

.page-news #f-all:focus-visible ~ .filter-labels label[for="f-all"],
.page-news #f-index:focus-visible ~ .filter-labels label[for="f-index"],
.page-news #f-version:focus-visible ~ .filter-labels label[for="f-version"],
.page-news #f-newbie:focus-visible ~ .filter-labels label[for="f-newbie"],
.page-news #f-mobile:focus-visible ~ .filter-labels label[for="f-mobile"],
.page-news #f-help:focus-visible ~ .filter-labels label[for="f-help"] {
  outline: 2px solid var(--sand);
  outline-offset: 2px;
}

.page-news #f-index:checked ~ .entry-list .entry:not([data-cat="index"]),
.page-news #f-version:checked ~ .entry-list .entry:not([data-cat="version"]),
.page-news #f-newbie:checked ~ .entry-list .entry:not([data-cat="newbie"]),
.page-news #f-mobile:checked ~ .entry-list .entry:not([data-cat="mobile"]),
.page-news #f-help:checked ~ .entry-list .entry:not([data-cat="help"]) {
  display: none;
}

/* 条目流 */
.page-news .entry-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-news .entry {
  display: grid;
  grid-template-columns: 2.4rem minmax(0, 1fr);
  gap: 6px;
  padding: 16px 0;
  border-top: 1px solid var(--entry-line);
  transition: background .2s var(--ease);
}

.page-news .entry:hover {
  background: rgba(127, 183, 201, .07);
}

.page-news .entry-no {
  font-family: var(--font-mono);
  font-size: 12.5px;
  font-weight: 500;
  color: var(--ice);
  padding-top: 3px;
}

.page-news .entry-body {
  min-width: 0;
}

.page-news .entry-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 9px;
  margin-bottom: 5px;
}

.page-news .tag {
  display: inline-block;
  padding: 3px 9px;
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .03em;
}

.page-news .tag-index {
  background: rgba(14, 90, 74, .12);
  color: var(--fir);
}

.page-news .tag-version {
  background: rgba(31, 58, 95, .13);
  color: var(--indigo);
}

.page-news .tag-newbie {
  background: rgba(200, 16, 46, .10);
  color: var(--maple-deep);
}

.page-news .tag-mobile {
  background: rgba(127, 183, 201, .34);
  color: #0b3a44;
}

.page-news .tag-help {
  background: rgba(217, 164, 65, .24);
  color: #6b4a10;
}

.page-news .entry-date {
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--moss);
}

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

.page-news .entry-text {
  margin: 5px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--moss);
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.page-news .entry:hover .entry-text,
.page-news .entry:focus-within .entry-text {
  -webkit-line-clamp: 4;
}

/* 头条卡 */
.page-news .entry--lead {
  display: block;
  border-top: 0;
  padding: 0 0 22px;
  margin-bottom: 4px;
  border-bottom: 1px solid var(--entry-line);
}

.page-news .entry--lead:hover {
  background: transparent;
}

.page-news .lead-grid {
  display: grid;
  gap: 16px;
}

.page-news .lead-copy {
  min-width: 0;
}

.page-news .entry-title--lead {
  font-size: clamp(19px, 4.4vw, 25px);
  line-height: 1.34;
  font-weight: 700;
}

.page-news .entry--lead .entry-text {
  -webkit-line-clamp: unset;
  display: block;
  overflow: visible;
  font-size: 14.5px;
  margin-top: 8px;
}

.page-news .entry-read {
  margin: 12px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .05em;
  color: var(--fir);
}

.page-news .lead-figure {
  margin: 0;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: linear-gradient(140deg, rgba(31, 58, 95, .22), rgba(127, 183, 201, .3));
}

.page-news .lead-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

/* 专题系列 */
.page-news .series-grid {
  display: grid;
  gap: 16px;
}

.page-news .series-card {
  display: flex;
  flex-direction: column;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--frost);
  border: 1px solid var(--line);
  transition: transform .2s var(--ease), box-shadow .2s var(--ease);
}

.page-news .series-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lift);
}

.page-news .series-cover {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: linear-gradient(140deg, rgba(127, 183, 201, .4), rgba(14, 90, 74, .3));
}

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

.page-news .series-cover--step {
  background: linear-gradient(140deg, var(--fir) 0%, var(--fir-deep) 100%);
}

.page-news .series-cover--build {
  background: linear-gradient(140deg, var(--indigo) 0%, #101f33 100%);
}

.page-news .series-glyph {
  position: absolute;
  right: 14px;
  bottom: 6px;
  font-family: var(--font-mono);
  font-size: 60px;
  font-weight: 600;
  line-height: 1;
  color: rgba(255, 255, 255, .22);
}

.page-news .series-body {
  padding: 16px 18px 20px;
}

.page-news .series-no {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .08em;
  color: var(--maple);
}

.page-news .series-body h3 {
  margin: 0 0 8px;
  font-size: 17px;
  font-weight: 700;
  color: var(--ink);
}

.page-news .series-body p:last-child {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--moss);
}

/* 编辑精选 */
.page-news .pick-list {
  display: grid;
  gap: 14px;
}

.page-news .pick {
  padding: 18px 20px;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  border-left: 3px solid var(--maple);
  background: var(--frost);
  box-shadow: var(--shadow-card);
}

.page-news .pick-no {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .14em;
  color: var(--ice);
}

.page-news .pick h3 {
  margin: 0 0 8px;
  font-size: 15.5px;
  line-height: 1.5;
  font-weight: 600;
  color: var(--ink);
}

.page-news .pick > p:not(.pick-no):not(.pick-read) {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--moss);
}

.page-news .pick-read {
  margin: 12px 0 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .08em;
  color: var(--fir);
}

/* 更新节奏 */
.page-news .cadence-panel {
  display: grid;
  gap: 24px;
  padding: 26px 22px;
  border-radius: var(--radius-lg);
  background: linear-gradient(160deg, var(--fir) 0%, var(--fir-deep) 100%);
  color: #fff;
  box-shadow: var(--shadow-card);
}

.page-news .cadence-copy .eyebrow {
  color: var(--sand);
}

.page-news .cadence-copy h2 {
  margin: 8px 0 12px;
  font-size: clamp(21px, 4.6vw, 27px);
  line-height: 1.32;
  font-weight: 700;
  color: #fff;
}

.page-news .cadence-copy > p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: rgba(255, 255, 255, .78);
}

.page-news .cadence-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
}

.page-news .cadence-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-news .cadence-list li {
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, .07);
  border-left: 2px solid var(--ice);
  font-size: 13.5px;
  line-height: 1.72;
  color: rgba(255, 255, 255, .84);
}

.page-news .cadence-key {
  display: block;
  margin-bottom: 4px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .12em;
  color: var(--sand);
}

/* 尾部指引 */
.page-news .flow-foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin-top: 28px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
}

.page-news .flow-foot p {
  margin: 0;
  max-width: 34em;
  font-size: 14px;
  line-height: 1.75;
  color: var(--moss);
}

.page-news .flow-foot a:not(.btn) {
  color: var(--fir);
  text-decoration: underline;
  text-underline-offset: 3px;
}

@media (min-width: 640px) {
  .page-news .series-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 760px) {
  .page-news .lead-grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, .88fr);
    align-items: center;
    gap: 26px;
  }

  .page-news .digest-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
    align-items: stretch;
  }

  .page-news .pick-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-news .hero-inner {
    grid-template-columns: minmax(0, 1.04fr) minmax(0, .96fr);
    align-items: center;
    gap: 40px;
  }

  .page-news .column-hero {
    padding-bottom: 28px;
  }
}

@media (min-width: 980px) {
  .page-news .column-layout {
    grid-template-columns: var(--rail-w) minmax(0, 1fr);
    gap: 52px;
    align-items: start;
  }

  .page-news .column-rail {
    display: block;
    position: sticky;
    top: calc(var(--header-h) + 24px);
    overflow: visible;
    padding-bottom: 0;
  }

  .page-news .column-rail > * {
    width: 100%;
    margin-bottom: 14px;
  }

  .page-news .series-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-news .cadence-panel {
    grid-template-columns: minmax(0, 1fr) minmax(0, .92fr);
    gap: 34px;
    padding: 34px 30px;
    align-items: start;
  }
}

@media (hover: none) {
  .page-news .entry-text {
    -webkit-line-clamp: 3;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .series-card,
  .page-news .entry,
  .page-news .filter-labels label {
    transition: none;
  }

  .page-news .series-card:hover {
    transform: none;
  }
}