.page-news {
  --news-accent-version: var(--signal);
  --news-accent-op: var(--mint);
  --news-accent-qa: var(--amber);
  --news-accent-archive: var(--amber);
  padding-bottom: clamp(64px, 10vw, 120px);
}

.page-news img {
  max-width: 100%;
  height: auto;
}

.page-news .breadcrumb {
  margin: clamp(18px, 4vw, 32px) 0 clamp(24px, 5vw, 44px);
}

/* ---------- 页头 ---------- */
.page-news .news-head {
  display: grid;
  gap: 14px;
  padding-bottom: clamp(24px, 4vw, 40px);
}

.page-news .news-head h1 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.4rem, 10vw, 4.4rem);
  line-height: 1.08;
  letter-spacing: 0.01em;
  color: var(--paper);
}

.page-news .news-head__lede {
  max-width: 34em;
  margin: 0;
  font-size: clamp(1rem, 2.6vw, 1.125rem);
  line-height: 1.85;
  color: var(--paper);
}

.page-news .news-jump {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 6px;
}

.page-news .news-jump__link {
  display: inline-block;
  padding: 8px 12px;
  border: 2px solid var(--line-600);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--muted);
  text-decoration: none;
  transition: border-color 0.2s var(--ease), color 0.2s var(--ease);
}

.page-news .news-jump__link:hover,
.page-news .news-jump__link:focus-visible {
  border-color: var(--signal);
  color: var(--paper);
}

.page-news .news-facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px 20px;
  margin: 10px 0 0;
  padding: 20px 0 0;
  list-style: none;
  border-top: 1px solid var(--line-600);
}

.page-news .news-facts__num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(1.4rem, 4.4vw, 1.9rem);
  font-weight: 700;
  color: var(--paper);
  line-height: 1.1;
}

.page-news .news-facts__label {
  display: block;
  margin-top: 6px;
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--muted);
}

/* ---------- 章节骨架 ---------- */
.page-news .news-section {
  padding-top: clamp(56px, 9vw, 116px);
}

.page-news .news-section__head {
  display: grid;
  gap: 12px;
  margin-bottom: clamp(22px, 4vw, 38px);
  padding-top: 18px;
  border-top: 2px solid var(--line-600);
}

.page-news .news-section__head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.55rem, 4.6vw, 2.3rem);
  line-height: 1.22;
  color: var(--paper);
}

.page-news .news-section__lede {
  max-width: 34em;
  margin: 0;
  color: var(--muted);
  line-height: 1.8;
  font-size: 0.98rem;
}

.page-news .news-section--version { --accent: var(--news-accent-version); }
.page-news .news-section--op { --accent: var(--news-accent-op); }
.page-news .news-section--qa { --accent: var(--news-accent-qa); }
.page-news .news-section--archive { --accent: var(--news-accent-archive); }
.page-news .news-section--pin { --accent: var(--amber); }

.page-news .news-section--version .news-section__head { border-top-color: var(--news-accent-version); }
.page-news .news-section--op .news-section__head { border-top-color: var(--news-accent-op); }
.page-news .news-section--qa .news-section__head { border-top-color: var(--news-accent-qa); }
.page-news .news-section--archive .news-section__head { border-top-color: var(--news-accent-archive); }

/* ---------- 置顶条目 ---------- */
.page-news .pin {
  display: grid;
  border: var(--edge);
  background: var(--ink-700);
  box-shadow: var(--shadow-hard);
}

.page-news .pin__media {
  margin: 0;
  overflow: hidden;
  border-bottom: 2px solid var(--line-600);
}

.page-news .pin__media img {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 200px;
  object-fit: cover;
}

.page-news .pin__body {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 14px;
  padding: clamp(20px, 4vw, 36px);
}

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

.page-news .pin__body h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.3rem, 3.8vw, 1.85rem);
  line-height: 1.32;
  color: var(--paper);
}

.page-news .pin__body p {
  margin: 0;
  max-width: 34em;
  color: var(--muted);
  line-height: 1.85;
}

.page-news .pin__body .btn {
  margin-top: 4px;
}

/* ---------- 通用条目标签 ---------- */
.page-news .note-num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--muted);
}

.page-news .note-tag {
  display: inline-block;
  padding: 3px 7px;
  border: 1px solid currentColor;
  font-size: 11px;
  letter-spacing: 0.22em;
  line-height: 1.4;
}

.page-news .note-tag--cyan { color: var(--signal); }
.page-news .note-tag--mint { color: var(--mint); }
.page-news .note-tag--amber { color: var(--amber); }

.page-news .note-mono {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  color: var(--paper);
}

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

.page-news .note-act {
  align-self: flex-start;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--accent, var(--signal));
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s var(--ease);
}

.page-news .note-act:hover,
.page-news .note-act:focus-visible {
  border-bottom-color: currentColor;
}

/* ---------- 版本线横幅 ---------- */
.page-news .line-banner,
.page-news .archive-banner {
  margin: 0 0 clamp(16px, 3vw, 28px);
  border: var(--edge);
  overflow: hidden;
}

.page-news .line-banner img,
.page-news .archive-banner img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-news .line-banner img { aspect-ratio: 12 / 7; }
.page-news .archive-banner img { aspect-ratio: 16 / 6; }

/* ---------- 列表条目 ---------- */
.page-news .notes {
  display: grid;
}

.page-news .note-row {
  position: relative;
  display: grid;
  gap: 10px;
  padding: 18px 0 18px 14px;
  border-top: 1px solid var(--line-600);
}

.page-news .note-row::before {
  content: "";
  position: absolute;
  left: 0;
  top: 18px;
  bottom: 18px;
  width: 3px;
  background: var(--accent, var(--signal));
  opacity: 0;
  transition: opacity 0.2s var(--ease);
}

.page-news .note-row:hover::before,
.page-news .note-row:focus-within::before {
  opacity: 1;
}

.page-news .note-row__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 10px;
}

.page-news .note-row__body {
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-width: 0;
}

.page-news .note-row__body h3 {
  margin: 0;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: clamp(1rem, 2.8vw, 1.15rem);
  line-height: 1.55;
  color: var(--paper);
}

.page-news .note-row__body p {
  margin: 0;
  max-width: 34em;
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- 操作线分栏 ---------- */
.page-news .split {
  display: grid;
  gap: clamp(20px, 4vw, 36px);
}

.page-news .split__media {
  margin: 0;
  border: var(--edge);
  box-shadow: var(--shadow-soft);
  overflow: hidden;
}

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

/* ---------- 问答线 ---------- */
.page-news .qa-list {
  display: grid;
  gap: 14px;
}

.page-news .qa {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 18px;
  border: 2px solid var(--line-600);
  background: var(--ink-800);
  transition: border-color 0.2s var(--ease);
}

.page-news .qa:hover,
.page-news .qa:focus-within {
  border-color: var(--amber);
}

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

.page-news .qa__q {
  margin: 0;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 1.02rem;
  line-height: 1.6;
  color: var(--paper);
}

.page-news .qa__a {
  margin: 0;
  font-size: 0.94rem;
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- 归档 ---------- */
.page-news .arch-grid {
  display: grid;
  gap: 16px;
}

.page-news .arch {
  display: grid;
  gap: 10px;
  padding: 18px;
  border: 2px solid var(--line-600);
  background: var(--ink-700);
}

.page-news .arch__top {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px;
  margin: 0;
}

.page-news .arch__time {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--muted);
}

.page-news .arch__name {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.2rem;
  line-height: 1.3;
  color: var(--paper);
}

.page-news .arch__bar {
  height: 10px;
  color: var(--accent, var(--amber));
  background-image: repeating-linear-gradient(
    90deg,
    currentColor 0 4px,
    transparent 4px 8px
  );
}

.page-news .arch__bar--w1 { width: 100%; }
.page-news .arch__bar--w2 { width: 75%; }
.page-news .arch__bar--w3 { width: 92%; }
.page-news .arch__bar--w4 { width: 67%; }

.page-news .arch__count {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--paper);
}

.page-news .arch p:not(.arch__top):not(.arch__count) {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 更新节奏 ---------- */
.page-news .cadence {
  display: grid;
  border-top: 1px solid var(--line-600);
}

.page-news .cadence__item {
  display: grid;
  grid-template-columns: 64px minmax(0, 1fr);
  gap: 12px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line-600);
}

.page-news .cadence__key {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--signal);
  padding-top: 3px;
}

.page-news .cadence__text {
  margin: 0;
  max-width: 38em;
  line-height: 1.8;
  color: var(--paper);
}

.page-news .cadence__link {
  color: var(--mint);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
}

.page-news .cadence-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(24px, 4vw, 36px);
}

/* ---------- 桌面与平板 ---------- */
@media (min-width: 720px) {
  .page-news .news-facts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-news .qa-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-news .arch-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-news .arch__bar--w1 { width: 100%; }
  .page-news .arch__bar--w2 { width: 60%; }
  .page-news .arch__bar--w3 { width: 78%; }
  .page-news .arch__bar--w4 { width: 48%; }
}

@media (min-width: 860px) {
  .page-news .pin {
    grid-template-columns: 1.05fr 1fr;
  }

  .page-news .pin__media {
    border-bottom: 0;
    border-right: 2px solid var(--line-600);
  }

  .page-news .pin__media img {
    min-height: 100%;
  }
}

@media (min-width: 780px) {
  .page-news .note-row {
    grid-template-columns: 208px minmax(0, 1fr);
    align-items: start;
    gap: 18px;
    padding: 22px 0 22px 18px;
  }

  .page-news .note-row__meta {
    flex-direction: column;
    align-items: flex-start;
    gap: 7px;
  }

  .page-news .cadence__item {
    grid-template-columns: 96px minmax(0, 1fr);
    gap: 20px;
  }
}

@media (min-width: 940px) {
  .page-news .split {
    grid-template-columns: 1.55fr 1fr;
    align-items: start;
  }

  .page-news .split__media {
    position: sticky;
    top: 96px;
  }

  .page-news .arch-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-news .arch__bar--w1 { width: 100%; }
  .page-news .arch__bar--w2 { width: 75%; }
  .page-news .arch__bar--w3 { width: 92%; }
  .page-news .arch__bar--w4 { width: 67%; }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-jump__link,
  .page-news .note-act,
  .page-news .note-row::before,
  .page-news .qa {
    transition: none;
  }
}