.page-news {
  --news-line-soft: rgba(143, 166, 184, 0.28);
  --news-maxw: 68ch;
  padding-bottom: clamp(48px, 8vw, 96px);
}

/* 首屏 */
.page-news .news-hero {
  padding: clamp(22px, 5vw, 52px) 0 clamp(20px, 3.5vw, 36px);
}
.page-news .news-title {
  margin: 14px 0 0;
  max-width: 18ch;
  font-size: clamp(32px, 5.6vw, 62px);
  line-height: 1.06;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--warm);
}
.page-news .news-lede {
  margin: 20px 0 0;
  max-width: var(--news-maxw);
  font-size: clamp(16px, 1.4vw, 18px);
  line-height: 1.8;
  color: var(--steel);
}
.page-news .news-tags {
  margin-top: 22px;
}

/* 01 状态条 */
.page-news .news-status {
  padding-top: 8px;
}
.page-news .status-plate {
  display: grid;
  grid-template-columns: 56px minmax(0, 1fr);
  align-items: center;
  gap: 12px 16px;
  padding: 18px;
  border: 2px solid var(--border);
  border-left: 6px solid var(--orange);
  background: var(--panel);
  box-shadow: var(--shadow-brutal);
}
.page-news .status-pulse img {
  display: block;
  width: 56px;
  height: 56px;
  object-fit: contain;
}
.page-news .status-label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--cyan);
}
.page-news .status-title {
  margin: 6px 0 0;
  font-size: clamp(19px, 2.2vw, 24px);
  font-weight: 700;
  line-height: 1.35;
  color: var(--warm);
}
.page-news .status-meta {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--steel);
}
.page-news .status-action {
  grid-column: 1 / -1;
}
.page-news .status-action .btn {
  width: 100%;
  text-align: center;
}

@media (min-width: 840px) {
  .page-news .status-plate {
    grid-template-columns: 56px minmax(0, 1fr) auto;
    gap: 18px 24px;
    padding: 22px 26px;
  }
  .page-news .status-action {
    grid-column: auto;
  }
  .page-news .status-action .btn {
    width: auto;
  }
}

/* 时间轴主图 */
.page-news .news-timeline {
  margin: clamp(24px, 4vw, 40px) 0 0;
}
.page-news .news-timeline .figure-media img {
  display: block;
  width: 100%;
  height: auto;
  border: 2px solid var(--border);
  background: var(--panel);
}

/* 区块通用 */
.page-news .section {
  margin-top: clamp(48px, 7vw, 88px);
}
.page-news .section-title {
  margin: 10px 0 0;
  font-size: clamp(24px, 3.4vw, 40px);
  line-height: 1.16;
  font-weight: 800;
  color: var(--warm);
}

/* 02 版本索引 */
.page-news .index-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 48px);
  margin-top: 28px;
}
.page-news .fact-list {
  margin: 0 0 24px;
}
.page-news .fact {
  display: grid;
  grid-template-columns: 84px minmax(0, 1fr);
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px dashed var(--news-line-soft);
}
.page-news .fact:first-child {
  border-top: 1px dashed var(--news-line-soft);
}
.page-news .fact dt {
  padding-top: 3px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--steel);
}
.page-news .fact dd {
  margin: 0;
  font-size: 16px;
  line-height: 1.6;
  color: var(--warm);
}
.page-news .index-figure .figure-media img {
  display: block;
  width: 100%;
  height: auto;
  border: 2px solid var(--border);
  background: var(--panel);
  object-fit: cover;
}
@media (min-width: 900px) {
  .page-news .index-grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: start;
  }
}

/* 03 更新条目流 */
.page-news .news-banner {
  margin: 28px 0 0;
}
.page-news .news-banner .figure-media img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 340px;
  object-fit: cover;
  border: 2px solid var(--border);
  background: var(--panel);
}
.page-news .news-log-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
  margin-top: 28px;
}
.page-news .log-side {
  padding: 18px;
  border: 2px solid var(--border);
  background: var(--panel);
}
.page-news .log-side-title {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--steel);
}
.page-news .news-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.page-news .news-filter .filter-btn {
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: transparent;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--warm);
  cursor: pointer;
  transition: color 0.16s var(--ease), border-color 0.16s var(--ease), background-color 0.16s var(--ease);
}
.page-news .news-filter .filter-btn:hover {
  border-color: var(--cyan);
  color: var(--cyan);
}
.page-news .news-filter .filter-btn[aria-pressed="true"] {
  background: var(--cyan);
  border-color: var(--cyan);
  color: var(--ink);
  font-weight: 700;
}
.page-news .news-filter .filter-btn:focus-visible {
  outline: none;
  box-shadow: var(--focus);
}
.page-news .filter-count {
  margin: 16px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--cyan);
}
.page-news .log-side-note {
  margin: 12px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--steel);
}
@media (min-width: 960px) {
  .page-news .news-log-grid {
    grid-template-columns: 250px minmax(0, 1fr);
    gap: 56px;
  }
  .page-news .log-side {
    position: sticky;
    top: 96px;
    align-self: start;
  }
}

.page-news .log-stream {
  min-width: 0;
}
.page-news .log-entry {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
  padding: 18px 34px 20px 16px;
  border-left: 6px solid var(--border);
  border-bottom: 1px solid var(--news-line-soft);
  transition: border-color 0.16s var(--ease), background-color 0.16s var(--ease);
}
.page-news .log-entry:first-child {
  border-top: 1px solid var(--news-line-soft);
}
.page-news .log-entry:hover,
.page-news .log-entry:focus-within {
  border-left-color: var(--cyan);
  background: rgba(18, 44, 66, 0.55);
}
.page-news .log-entry::after {
  content: "";
  position: absolute;
  right: 0;
  top: 50%;
  width: 0;
  height: 2px;
  background: var(--cyan);
  transition: width 0.18s var(--ease);
}
.page-news .log-entry:hover::after,
.page-news .log-entry:focus-within::after {
  width: 26px;
}
.page-news .log-ver {
  margin: 0;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--cyan);
}
.page-news .log-ver::before {
  content: "";
  width: 8px;
  height: 8px;
  border: 1px solid var(--cyan);
  display: inline-block;
}
.page-news .log-body {
  min-width: 0;
}
.page-news .log-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
}
.page-news .log-cat {
  padding: 3px 8px;
  border: 1px solid var(--line);
  color: var(--warm);
}
.page-news .log-cat--entry {
  border-color: var(--orange);
  color: var(--orange);
}
.page-news .log-cat--ux {
  border-color: var(--cyan);
  color: var(--cyan);
}
.page-news .log-cat--help {
  border-color: var(--steel);
  color: var(--steel);
}
.page-news .log-time {
  color: var(--steel);
}
.page-news .log-title {
  margin: 10px 0 0;
  font-size: clamp(18px, 2vw, 22px);
  line-height: 1.4;
  font-weight: 700;
  color: var(--warm);
}
.page-news .log-text {
  margin: 8px 0 0;
  max-width: 62ch;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--steel);
}
.page-news .log-link {
  display: inline-block;
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(51, 224, 208, 0.4);
  transition: color 0.16s var(--ease), border-color 0.16s var(--ease);
}
.page-news .log-link:hover,
.page-news .log-link:focus-visible {
  color: var(--warm);
  border-color: var(--warm);
}
.page-news .log-entry[hidden] {
  display: none;
}
@media (min-width: 640px) {
  .page-news .log-entry {
    grid-template-columns: 92px minmax(0, 1fr);
    gap: 20px;
    padding: 22px 40px 24px 20px;
  }
  .page-news .log-ver {
    align-self: start;
    padding-top: 2px;
  }
}

/* 04 季度回顾（奶油纸区） */
.page-news .news-rhythm {
  margin-top: clamp(48px, 7vw, 88px);
  padding: clamp(40px, 6vw, 76px) 0;
  background: var(--paper);
  color: var(--brown);
  border-top: 6px solid var(--brown);
  border-bottom: 2px solid var(--brown);
}
.page-news .news-rhythm .section-num {
  color: var(--orange);
}
.page-news .news-rhythm .section-title {
  color: var(--brown);
}
.page-news .news-rhythm .news-lede {
  color: rgba(36, 26, 20, 0.78);
}
.page-news .rhythm-track {
  list-style: none;
  margin: clamp(26px, 4vw, 40px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  border-top: 2px solid rgba(36, 26, 20, 0.28);
}
.page-news .rhythm-step {
  position: relative;
  padding: 22px 12px 18px 0;
  border-bottom: 1px solid rgba(36, 26, 20, 0.18);
}
.page-news .rhythm-step::before {
  content: "";
  position: absolute;
  top: -2px;
  left: 0;
  width: 2px;
  height: 16px;
  background: var(--orange);
}
.page-news .rhythm-num {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.14em;
  color: var(--orange);
}
.page-news .rhythm-step h3 {
  margin: 8px 0 6px;
  font-size: 18px;
  line-height: 1.4;
  font-weight: 700;
  color: var(--brown);
}
.page-news .rhythm-step p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: rgba(36, 26, 20, 0.74);
}
.page-news .rhythm-note {
  margin: clamp(24px, 3.5vw, 36px) 0 0;
  max-width: var(--news-maxw);
  font-size: 15px;
  line-height: 1.8;
  color: rgba(36, 26, 20, 0.8);
  padding-left: 14px;
  border-left: 4px solid var(--orange);
}
@media (min-width: 760px) {
  .page-news .rhythm-track {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
  .page-news .rhythm-step {
    padding: 24px 20px 10px 0;
    border-bottom: 0;
    border-right: 1px solid rgba(36, 26, 20, 0.18);
  }
  .page-news .rhythm-step:last-child {
    border-right: 0;
    padding-right: 0;
  }
}

/* 05 从日志到帮助 */
.page-news .help-links {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  border-top: 2px solid var(--border);
}
.page-news .help-link {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  padding: 18px 0;
  border-bottom: 1px solid var(--news-line-soft);
  text-decoration: none;
  transition: background-color 0.16s var(--ease), padding-left 0.16s var(--ease);
}
.page-news .help-link:hover,
.page-news .help-link:focus-visible {
  background: rgba(18, 44, 66, 0.55);
  padding-left: 10px;
}
.page-news .help-num {
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: 0.1em;
  color: var(--orange);
  padding-top: 4px;
}
.page-news .help-main {
  display: block;
  font-size: clamp(17px, 2vw, 21px);
  font-weight: 700;
  line-height: 1.4;
  color: var(--warm);
}
.page-news .help-sub {
  display: block;
  margin-top: 6px;
  font-size: 14.5px;
  font-weight: 400;
  line-height: 1.75;
  color: var(--steel);
}
@media (min-width: 720px) {
  .page-news .help-link {
    grid-template-columns: 64px minmax(0, 1fr);
    padding: 22px 8px;
    gap: 18px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .log-entry,
  .page-news .log-entry::after,
  .page-news .help-link,
  .page-news .log-link,
  .page-news .news-filter .filter-btn {
    transition: none;
  }
  .page-news .log-entry::after {
    width: 0 !important;
  }
}