.page-news {
  --news-line: rgba(21, 38, 31, 0.12);
  --news-card: rgba(255, 255, 255, 0.82);
  --news-accent: var(--yk-green);
  background: var(--yk-cream);
  color: var(--yk-ink);
}

.page-news .yk-container {
  min-width: 0;
}

/* ---------- 封面 ---------- */
.page-news .news-cover__card {
  position: relative;
  display: grid;
  gap: 24px;
  padding: clamp(20px, 4vw, 48px);
  border-radius: var(--yk-radius-lg);
  background:
    radial-gradient(circle at 88% 12%, rgba(203, 231, 244, 0.85), transparent 58%),
    linear-gradient(158deg, var(--yk-sand) 0%, var(--yk-cream) 62%);
  border: 1px solid var(--news-line);
  box-shadow: var(--yk-shadow-soft);
  overflow: hidden;
}

.page-news .news-cover__card::after {
  content: "";
  position: absolute;
  inset: 12px;
  border: 1px dashed rgba(21, 38, 31, 0.18);
  border-radius: calc(var(--yk-radius-lg) - 10px);
  pointer-events: none;
}

.page-news .news-cover__body {
  position: relative;
  z-index: 1;
  min-width: 0;
}

.page-news .news-cover__title {
  margin: 10px 0 14px;
  font-family: var(--yk-font-display);
  font-size: clamp(30px, 7vw, 54px);
  font-weight: 800;
  line-height: 1.14;
  letter-spacing: -0.015em;
  color: var(--yk-ink);
}

.page-news .news-cover__stats {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

.page-news .news-cover__stat {
  display: flex;
  align-items: baseline;
  gap: 7px;
  padding: 8px 16px;
  border-radius: var(--yk-radius-pill);
  background: rgba(250, 246, 236, 0.78);
  border: 1px solid var(--news-line);
}

.page-news .news-cover__num {
  font-size: 22px;
  font-weight: 700;
  color: var(--yk-orange-deep);
}

.page-news .news-cover__label {
  font-size: 13px;
  color: var(--yk-rock);
  font-weight: 500;
}

.page-news .news-cover__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-news .news-cover__figure {
  position: relative;
  z-index: 1;
  margin: 0;
  border-radius: var(--yk-radius-md);
  overflow: hidden;
  border: 1px solid var(--news-line);
  background: var(--yk-sand);
}

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

/* ---------- 通用章节头 ---------- */
.page-news .news-head {
  max-width: 720px;
  margin-bottom: clamp(22px, 3vw, 36px);
}

.page-news .news-head__title {
  margin: 8px 0 12px;
  font-family: var(--yk-font-display);
  font-size: clamp(24px, 4.4vw, 38px);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--yk-ink);
}

.page-news .news-head__text {
  margin: 0;
  font-size: 16px;
  line-height: 1.75;
  color: var(--yk-rock);
}

/* ---------- 本期摘要 ---------- */
.page-news .news-digest__grid {
  display: grid;
  gap: 22px;
  min-width: 0;
}

.page-news .news-digest__figure {
  margin: 0;
  border-radius: var(--yk-radius-lg);
  overflow: hidden;
  border: 1px solid var(--news-line);
  background: var(--yk-sky-soft);
}

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

.page-news .news-digest__caption {
  padding: 12px 18px 16px;
  font-size: 13px;
  color: var(--yk-rock);
  background: var(--yk-cream);
}

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

.page-news .news-route {
  padding: 18px 20px;
  border-radius: var(--yk-radius-md);
  background: var(--news-card);
  border: 1px solid var(--news-line);
  border-left: 6px solid var(--yk-green);
}

.page-news .news-route--add { border-left-color: var(--yk-green); }
.page-news .news-route--tune { border-left-color: var(--yk-sand); background: linear-gradient(150deg, #fff, var(--yk-cream)); }
.page-news .news-route--off { border-left-color: var(--yk-orange); }

.page-news .news-route__badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: var(--yk-radius-pill);
  background: var(--yk-green-deep);
  color: var(--yk-cream);
  font-size: 12px;
  letter-spacing: 0.02em;
}

.page-news .news-route--tune .news-route__badge { background: var(--yk-clay); }
.page-news .news-route--off .news-route__badge { background: var(--yk-orange-deep); }

.page-news .news-route__title {
  margin: 10px 0 6px;
  font-size: 17px;
  font-weight: 700;
  color: var(--yk-ink);
}

.page-news .news-route__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--yk-rock);
}

/* ---------- 标签条 ---------- */
.page-news .news-tagbar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: clamp(24px, 3vw, 36px);
}

.page-news .news-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 8px 8px 16px;
  border-radius: var(--yk-radius-pill);
  border: 1px solid var(--news-line);
  background: rgba(255, 255, 255, 0.78);
  color: var(--yk-ink);
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  transition: transform 180ms var(--yk-ease), box-shadow 180ms var(--yk-ease), border-color 180ms var(--yk-ease);
}

.page-news .news-chip:hover,
.page-news .news-chip:focus-visible {
  transform: translateY(-2px);
  box-shadow: var(--yk-shadow-soft);
}

.page-news .news-chip__count {
  font-family: var(--yk-font-mono);
  font-size: 12px;
  padding: 2px 8px;
  border-radius: var(--yk-radius-pill);
  background: rgba(21, 38, 31, 0.08);
}

.page-news .news-chip--version { border-color: rgba(31, 111, 74, 0.5); }
.page-news .news-chip--version .news-chip__count { background: rgba(31, 111, 74, 0.16); color: var(--yk-green); }
.page-news .news-chip--observe { border-color: rgba(44, 110, 155, 0.5); }
.page-news .news-chip--observe .news-chip__count { background: rgba(44, 110, 155, 0.14); color: var(--yk-sky); }
.page-news .news-chip--skill { border-color: rgba(181, 71, 31, 0.45); }
.page-news .news-chip--skill .news-chip__count { background: rgba(232, 106, 51, 0.18); color: var(--yk-orange-deep); }
.page-news .news-chip--roundup { border-color: rgba(166, 91, 69, 0.5); }
.page-news .news-chip--roundup .news-chip__count { background: rgba(166, 91, 69, 0.18); color: var(--yk-clay); }

/* ---------- 文章章节与时间线 ---------- */
.page-news .news-chapter {
  --news-accent: var(--yk-green);
  margin-bottom: clamp(28px, 4vw, 46px);
}

.page-news .news-chapter--observe { --news-accent: var(--yk-sky); }
.page-news .news-chapter--skill { --news-accent: var(--yk-orange); }
.page-news .news-chapter--roundup { --news-accent: var(--yk-clay); }

.page-news .news-chapter__title {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 16px;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--yk-ink);
}

.page-news .news-chapter__title::before {
  content: "";
  width: 26px;
  height: 6px;
  border-radius: var(--yk-radius-pill);
  background: var(--news-accent);
}

.page-news .news-list {
  position: relative;
  margin: 0;
  padding: 0 0 0 30px;
  list-style: none;
}

.page-news .news-list::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 8px;
  bottom: 10px;
  border-left: 2px dashed rgba(21, 38, 31, 0.18);
}

.page-news .news-list__item {
  position: relative;
  padding-bottom: 14px;
}

.page-news .news-list__item::before {
  content: "";
  position: absolute;
  left: -30px;
  top: 22px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--yk-cream);
  border: 4px solid var(--news-accent);
  box-sizing: border-box;
}

.page-news .news-item {
  padding: 18px 20px;
  border-radius: var(--yk-radius-md);
  background: var(--news-card);
  border: 1px solid var(--news-line);
  transition: transform 200ms var(--yk-ease), box-shadow 200ms var(--yk-ease), border-color 200ms var(--yk-ease);
}

.page-news .news-item:hover,
.page-news .news-item:focus-within {
  transform: translateY(-3px);
  border-color: rgba(21, 38, 31, 0.2);
  box-shadow: var(--yk-shadow-lift);
}

.page-news .news-item__meta {
  margin: 0 0 8px;
  font-size: 12px;
  letter-spacing: 0.02em;
  color: var(--yk-rock);
}

.page-news .news-item__title {
  margin: 0 0 8px;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--yk-ink);
}

.page-news .news-item__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--yk-rock);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  transition: -webkit-line-clamp 200ms var(--yk-ease);
}

.page-news .news-item:hover .news-item__text,
.page-news .news-item:focus-within .news-item__text {
  -webkit-line-clamp: 5;
}

/* ---------- 专题系列 ---------- */
.page-news .news-series__grid {
  display: grid;
  gap: 24px;
  min-width: 0;
}

.page-news .news-series__intro {
  min-width: 0;
}

.page-news .news-series__figure {
  margin: 22px 0 0;
  border-radius: var(--yk-radius-lg);
  overflow: hidden;
  border: 1px solid var(--news-line);
  background: var(--yk-sky-soft);
}

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

.page-news .news-series__list {
  display: grid;
  gap: 12px;
  min-width: 0;
  align-content: start;
}

.page-news .news-serie {
  border-radius: var(--yk-radius-md);
  background: var(--news-card);
  border: 1px solid var(--news-line);
  overflow: hidden;
}

.page-news .news-serie[open] {
  border-color: rgba(31, 111, 74, 0.45);
  box-shadow: var(--yk-shadow-soft);
}

.page-news .news-serie__summary {
  display: grid;
  grid-template-columns: 1fr auto;
  grid-template-areas:
    "name arrow"
    "progress arrow";
  gap: 8px 12px;
  align-items: center;
  padding: 16px 18px;
  cursor: pointer;
  list-style: none;
}

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

.page-news .news-serie__name {
  grid-area: name;
  font-size: 16px;
  font-weight: 700;
  color: var(--yk-ink);
}

.page-news .news-serie__progress {
  grid-area: progress;
  display: flex;
  align-items: center;
  gap: 10px;
}

.page-news .news-progress {
  flex: 1 1 auto;
  min-width: 60px;
  height: 6px;
  border-radius: var(--yk-radius-pill);
  background: rgba(21, 38, 31, 0.1);
  overflow: hidden;
}

.page-news .news-progress__fill {
  display: block;
  height: 100%;
  border-radius: var(--yk-radius-pill);
  background: linear-gradient(90deg, var(--yk-green), var(--yk-sky));
}

.page-news .news-progress__fill--100 { width: 100%; }
.page-news .news-progress__fill--66 { width: 66%; }
.page-news .news-progress__fill--60 { width: 60%; }
.page-news .news-progress__fill--50 { width: 50%; }

.page-news .news-serie__count {
  font-size: 12px;
  color: var(--yk-rock);
  white-space: nowrap;
}

.page-news .news-serie__arrow {
  grid-area: arrow;
  font-size: 18px;
  font-weight: 700;
  color: var(--yk-orange-deep);
  transition: transform 200ms var(--yk-ease);
}

.page-news .news-serie[open] .news-serie__arrow {
  transform: rotate(45deg);
}

.page-news .news-serie__items {
  margin: 0;
  padding: 0 18px 18px 34px;
  list-style: none;
}

.page-news .news-serie__items li {
  position: relative;
  padding: 7px 0;
  font-size: 15px;
  line-height: 1.65;
  color: var(--yk-rock);
  border-top: 1px dashed rgba(21, 38, 31, 0.14);
}

.page-news .news-serie__items li::before {
  content: "";
  position: absolute;
  left: -16px;
  top: 16px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--yk-moss);
}

/* ---------- 更新节奏 ---------- */
.page-news .news-ticks {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: tick;
}

.page-news .news-tick {
  position: relative;
  padding: 20px;
  border-radius: var(--yk-radius-md);
  background: rgba(234, 217, 184, 0.42);
  border: 1px solid rgba(21, 38, 31, 0.1);
}

.page-news .news-tick__num {
  display: inline-block;
  font-size: 24px;
  font-weight: 700;
  color: var(--yk-orange-deep);
  letter-spacing: -0.01em;
}

.page-news .news-tick__title {
  margin: 10px 0 8px;
  font-size: 17px;
  font-weight: 700;
  color: var(--yk-ink);
}

.page-news .news-tick__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--yk-rock);
}

/* ---------- 下一步 ---------- */
.page-news .news-next__panel {
  padding: clamp(22px, 4vw, 42px);
  border-radius: var(--yk-radius-lg);
  background: var(--yk-green-deep);
  color: var(--yk-cream);
}

.page-news .news-next__panel .yk-eyebrow {
  color: var(--yk-sand);
}

.page-news .news-next__panel .news-head__title {
  color: var(--yk-cream);
  margin-bottom: 18px;
}

.page-news .news-next__lead {
  max-width: 640px;
}

.page-news .news-next__links {
  display: grid;
  gap: 12px;
  margin-top: 6px;
}

.page-news .news-next__link {
  display: grid;
  grid-template-columns: 1fr auto;
  grid-template-areas:
    "label arrow"
    "title arrow";
  gap: 4px 12px;
  align-items: center;
  padding: 16px 20px;
  border-radius: var(--yk-radius-md);
  background: rgba(250, 246, 236, 0.08);
  border: 1px solid rgba(250, 246, 236, 0.24);
  text-decoration: none;
  transition: background 200ms var(--yk-ease), transform 200ms var(--yk-ease), border-color 200ms var(--yk-ease);
}

.page-news .news-next__link:hover,
.page-news .news-next__link:focus-visible {
  background: rgba(250, 246, 236, 0.16);
  border-color: var(--yk-sand);
  transform: translateY(-2px);
}

.page-news .news-next__label {
  grid-area: label;
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--yk-sand);
}

.page-news .news-next__title {
  grid-area: title;
  font-size: 18px;
  font-weight: 700;
  color: var(--yk-cream);
}

.page-news .news-next__arrow {
  grid-area: arrow;
  font-size: 20px;
  color: var(--yk-orange);
}

.page-news .news-next__note {
  margin: 20px 0 0;
  font-size: 14px;
  color: rgba(250, 246, 236, 0.8);
}

.page-news .news-next__inline {
  color: var(--yk-sky-soft);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 回到顶部 ---------- */
.page-news .news-top {
  position: fixed;
  right: 16px;
  bottom: 18px;
  z-index: 20;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--yk-green);
  color: var(--yk-cream);
  font-size: 18px;
  text-decoration: none;
  box-shadow: var(--yk-shadow-soft);
  border: 1px solid rgba(250, 246, 236, 0.5);
}

.page-news .news-top:hover,
.page-news .news-top:focus-visible {
  background: var(--yk-green-deep);
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-news .news-cover__card {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
    align-items: center;
    gap: 32px;
  }

  .page-news .news-route__badge {
    font-size: 12px;
  }

  .page-news .news-ticks {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
  }

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

  .page-news .news-serie__summary {
    grid-template-columns: minmax(0, 1fr) minmax(140px, 210px) auto;
    grid-template-areas: "name progress arrow";
    gap: 16px;
  }
}

@media (min-width: 1000px) {
  .page-news .news-digest__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
    align-items: start;
    gap: 32px;
  }

  .page-news .news-series__grid {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    gap: 40px;
    align-items: start;
  }

  .page-news .news-list {
    padding-left: 40px;
  }

  .page-news .news-list__item::before {
    left: -40px;
  }

  .page-news .news-item {
    padding: 22px 24px;
  }

  .page-news .news-next__panel {
    display: grid;
    grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.6fr);
    grid-template-areas:
      "lead links"
      "note links";
    gap: 20px 40px;
    align-items: center;
  }

  .page-news .news-next__lead { grid-area: lead; }
  .page-news .news-next__links { grid-area: links; margin-top: 0; }
  .page-news .news-next__note { grid-area: note; margin: 0; }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-chip,
  .page-news .news-item,
  .page-news .news-next__link,
  .page-news .news-serie__arrow {
    transition: none;
  }

  .page-news .news-chip:hover,
  .page-news .news-item:hover,
  .page-news .news-next__link:hover {
    transform: none;
  }
}