.page-news {
  --news-gap: clamp(20px, 3vw, 32px);
  --news-shadow: 6px 6px 0 rgba(0, 0, 0, 0.36);
  padding-bottom: clamp(56px, 8vw, 96px);
}

/* 页头 */
.page-news .news-head {
  display: grid;
  gap: 28px;
  align-items: end;
  padding-bottom: clamp(32px, 5vw, 56px);
}

.page-news .page-title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(30px, 6vw, 62px);
  line-height: 1.08;
  letter-spacing: -0.02em;
  margin: 12px 0 18px;
  color: var(--fog);
}

.page-news .page-kicker {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--cyan);
  margin: 0;
}

.page-news .page-lede {
  max-width: 46ch;
  font-size: 16px;
  line-height: 1.9;
  color: var(--muted);
  margin: 0 0 24px;
}

.page-news .news-head-media {
  border: 2px solid var(--line);
  box-shadow: var(--news-shadow);
  overflow: hidden;
  margin: 0;
}

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

@media (min-width: 900px) {
  .page-news .news-head {
    grid-template-columns: 5fr 7fr;
    gap: 44px;
  }
}

/* 粘性定位条 */
.page-news .news-filter {
  position: sticky;
  top: 0;
  z-index: 6;
  background: rgba(11, 31, 26, 0.94);
  border-top: 2px solid var(--line);
  border-bottom: 2px solid var(--line);
}

.page-news .news-filter-inner {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 10px 0;
  overflow-x: auto;
  scrollbar-width: none;
}

.page-news .news-filter-inner::-webkit-scrollbar {
  display: none;
}

.page-news .filter-label {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--muted);
}

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

.page-news .filter-chip {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 0 14px;
  border: 2px solid var(--line);
  background: var(--char);
  color: var(--fog);
  font-size: 13px;
  white-space: nowrap;
  text-decoration: none;
  transition: border-color 0.18s ease, color 0.18s ease;
}

.page-news .filter-chip:hover,
.page-news .filter-chip:focus-visible {
  border-color: var(--cyan);
  color: var(--cyan);
}

/* 章节通用微调 */
.page-news .section {
  padding-block: clamp(48px, 7vw, 96px);
}

.page-news .section-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(24px, 4vw, 38px);
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--fog);
  margin: 0 0 12px;
}

.page-news .section-note {
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.9;
  color: var(--muted);
  margin: 0;
}

/* 时间轴 */
.page-news .timeline-visual {
  border: 2px solid var(--line);
  margin: clamp(24px, 4vw, 36px) 0 24px;
  overflow: hidden;
  box-shadow: var(--news-shadow);
}

.page-news .tl-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 20px;
  list-style: none;
  margin: 0 0 28px;
  padding: 0;
  font-size: 13px;
  color: var(--muted);
}

.page-news .tl-legend li {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.page-news .dot {
  width: 10px;
  height: 10px;
  transform: rotate(45deg);
  display: block;
}

.page-news .dot-version { background: var(--amber); }
.page-news .dot-content { background: var(--cyan); }
.page-news .dot-ux { background: var(--fog); }
.page-news .dot-feedback { background: var(--muted); }

.page-news .tl-list {
  position: relative;
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-news .tl-list::before {
  content: "";
  position: absolute;
  left: 9px;
  top: 10px;
  bottom: 10px;
  width: 2px;
  background: linear-gradient(180deg, var(--amber-dim), var(--line) 45%, var(--line));
}

.page-news .tl-item {
  position: relative;
  padding-left: 38px;
  margin-bottom: 18px;
}

.page-news .tl-node {
  position: absolute;
  left: 0;
  top: 22px;
  width: 20px;
  height: 20px;
  background: var(--ink);
  border: 2px solid var(--line);
  transform: rotate(45deg);
}

.page-news .tl-item--version .tl-node { border-color: var(--amber); }
.page-news .tl-item--content .tl-node { border-color: var(--cyan); }
.page-news .tl-item--ux .tl-node { border-color: var(--fog); }
.page-news .tl-item--feedback .tl-node { border-color: var(--muted); }

.page-news .tl-card {
  border: 2px solid var(--line);
  background: var(--char);
  box-shadow: var(--news-shadow);
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.page-news .tl-card:hover {
  border-color: var(--teal-deep);
}

.page-news .tl-summary {
  position: relative;
  display: grid;
  gap: 10px;
  padding: 18px 46px 18px 20px;
  cursor: pointer;
  list-style: none;
}

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

.page-news .tl-summary::after {
  content: "+";
  position: absolute;
  right: 16px;
  top: 14px;
  font-family: var(--font-mono);
  font-size: 20px;
  line-height: 1;
  color: var(--amber);
}

.page-news .tl-card[open] .tl-summary::after {
  content: "\2212";
}

.page-news .tl-top {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.page-news .tag {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  padding: 3px 9px;
  border: 1px solid currentColor;
  background: transparent;
}

.page-news .tag-version { color: var(--amber); background: rgba(242, 181, 68, 0.1); }
.page-news .tag-content { color: var(--cyan); background: rgba(56, 225, 198, 0.1); }
.page-news .tag-ux { color: var(--fog); background: rgba(232, 239, 234, 0.06); }
.page-news .tag-feedback { color: var(--muted); background: rgba(147, 167, 158, 0.08); }

.page-news .tl-when {
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.page-news .tl-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 17px;
  line-height: 1.5;
  letter-spacing: -0.01em;
  color: var(--fog);
}

.page-news .tl-brief {
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

.page-news .tl-body {
  padding: 16px 20px 20px;
  border-top: 2px dashed var(--line);
}

.page-news .tl-points {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-news .tl-points li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--fog);
}

.page-news .tl-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 6px;
  height: 6px;
  background: var(--amber-dim);
}

@media (min-width: 992px) {
  .page-news .tl-item {
    padding-left: 56px;
    margin-bottom: 24px;
  }

  .page-news .tl-list::before {
    left: 11px;
  }

  .page-news .tl-node {
    width: 24px;
    height: 24px;
    top: 24px;
  }

  .page-news .tl-summary {
    padding: 22px 54px 22px 26px;
  }

  .page-news .tl-name {
    font-size: 19px;
  }

  .page-news .tl-body {
    padding: 18px 26px 24px;
  }
}

/* 版本重点 */
.page-news .version-card {
  margin-top: clamp(24px, 4vw, 36px);
  border: 2px solid var(--amber-dim);
  background: linear-gradient(158deg, rgba(14, 74, 68, 0.6), rgba(16, 21, 20, 0.97) 58%);
  box-shadow: 8px 8px 0 rgba(0, 0, 0, 0.42);
}

.page-news .version-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 14px;
  padding: 20px 22px;
  border-bottom: 2px solid var(--line);
}

.page-news .version-num {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(30px, 7vw, 48px);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--amber);
}

.page-news .version-state {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--cyan);
  border: 1px solid var(--cyan);
  padding: 5px 10px;
}

.page-news .version-grid {
  display: grid;
}

.page-news .version-col {
  padding: 22px;
}

.page-news .version-col + .version-col {
  border-top: 2px solid var(--line);
}

.page-news .version-col h3 {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--cyan);
  margin: 0 0 14px;
}

.page-news .version-col ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 11px;
}

.page-news .version-col li {
  position: relative;
  padding-left: 16px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--fog);
}

.page-news .version-col li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 6px;
  height: 6px;
  background: var(--amber);
}

.page-news .version-col--open h3 {
  color: var(--amber);
}

.page-news .version-col--open li::before {
  background: var(--muted);
}

.page-news .version-media {
  margin: 0;
  border-top: 2px solid var(--line);
  overflow: hidden;
}

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

  .page-news .version-col + .version-col {
    border-top: 0;
    border-left: 2px solid var(--line);
  }
}

/* 更新节奏 */
.page-news .cadence-grid {
  display: grid;
  gap: 28px;
  margin-top: clamp(24px, 4vw, 36px);
  align-items: start;
}

.page-news .cadence-lede {
  font-size: 16px;
  line-height: 1.9;
  color: var(--fog);
  margin: 0 0 24px;
}

.page-news .cadence-cards {
  display: grid;
  gap: 16px;
  margin-bottom: 24px;
}

.page-news .cadence-card {
  border: 2px solid var(--line);
  background: var(--char);
  padding: 18px 20px;
  border-left: 4px solid var(--amber);
}

.page-news .cadence-card:nth-child(2) {
  border-left-color: var(--cyan);
}

.page-news .cadence-tag {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--muted);
  margin-bottom: 8px;
}

.page-news .cadence-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--fog);
}

.page-news .cadence-facts {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: 2px solid var(--line);
}

.page-news .cadence-facts li {
  display: grid;
  gap: 4px;
  padding: 14px 0;
  border-bottom: 2px solid var(--line);
}

.page-news .fact-num {
  font-family: var(--font-mono);
  font-size: 18px;
  color: var(--amber);
}

.page-news .fact-text {
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

.page-news .cadence-media {
  margin: 0;
  border: 2px solid var(--line);
  box-shadow: var(--news-shadow);
  overflow: hidden;
}

@media (min-width: 760px) {
  .page-news .cadence-cards {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 960px) {
  .page-news .cadence-grid {
    grid-template-columns: 7fr 5fr;
    gap: 44px;
  }

  .page-news .cadence-facts li {
    grid-template-columns: 130px 1fr;
    align-items: baseline;
    gap: 16px;
  }
}

/* 安卓端记录 */
.page-news .android-list {
  list-style: none;
  margin: clamp(24px, 4vw, 36px) 0 0;
  padding: 0;
  border: 2px solid var(--line);
  background: var(--char);
  box-shadow: var(--news-shadow);
}

.page-news .android-row {
  display: grid;
  gap: 6px;
  padding: 16px 20px;
}

.page-news .android-row + .android-row {
  border-top: 2px solid var(--line);
}

.page-news .android-ver {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--amber);
}

.page-news .android-desc {
  font-size: 14px;
  line-height: 1.8;
  color: var(--fog);
}

@media (min-width: 760px) {
  .page-news .android-row {
    grid-template-columns: 120px 1fr;
    gap: 24px;
    align-items: baseline;
    padding: 18px 26px;
  }
}

/* 反馈归档 */
.page-news .fb-list {
  list-style: none;
  margin: clamp(24px, 4vw, 36px) 0 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-news .fb-item {
  position: relative;
  border: 2px solid var(--line);
  background: var(--char);
  padding: 20px;
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.page-news .fb-item:hover {
  border-color: var(--teal-deep);
  transform: translateY(-2px);
}

.page-news .fb-num {
  display: block;
  font-family: var(--font-mono);
  font-size: 22px;
  color: var(--amber-dim);
  line-height: 1;
  margin-bottom: 10px;
}

.page-news .fb-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 17px;
  line-height: 1.5;
  color: var(--fog);
  margin: 0 0 10px;
}

.page-news .fb-text {
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
  margin: 0 0 14px;
}

.page-news .fb-status {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--cyan);
  border: 1px solid var(--teal-deep);
  padding: 4px 9px;
}

.page-news .feedback-note {
  margin: 24px 0 0;
  font-size: 14px;
  line-height: 1.9;
  color: var(--muted);
}

.page-news .feedback-note a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

@media (min-width: 700px) {
  .page-news .fb-list {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1100px) {
  .page-news .fb-list {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* 下一步 */
.page-news .next-grid {
  display: grid;
  gap: 16px;
  margin-top: clamp(24px, 4vw, 36px);
}

.page-news .next-card {
  display: block;
  border: 2px solid var(--line);
  background: var(--char);
  padding: 20px;
  text-decoration: none;
  transition: border-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

.page-news .next-card:hover,
.page-news .next-card:focus-visible {
  border-color: var(--amber);
  transform: translateY(-3px);
  box-shadow: 0 10px 0 rgba(0, 0, 0, 0.3);
}

.page-news .next-idx {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--amber);
  margin-bottom: 12px;
}

.page-news .next-card h3 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 17px;
  line-height: 1.5;
  color: var(--fog);
  margin: 0 0 10px;
}

.page-news .next-card p {
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
  margin: 0 0 16px;
}

.page-news .next-go {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--cyan);
}

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

@media (min-width: 1080px) {
  .page-news .next-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .tl-card,
  .page-news .fb-item,
  .page-news .next-card,
  .page-news .filter-chip {
    transition: none;
  }

  .page-news .fb-item:hover,
  .page-news .next-card:hover {
    transform: none;
  }
}