.page-news {
  --news-text: #33484f;
  --news-muted: #5f7683;
  --news-line: rgba(10, 42, 59, 0.12);
  --news-gap: clamp(18px, 3vw, 32px);
  background: var(--ky-mist);
  color: var(--ky-ink);
  font-family: var(--ky-sans);
}

.page-news img {
  display: block;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: var(--ky-radius);
}

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: clamp(36px, 7vw, 78px) 0 clamp(48px, 8vw, 96px);
  background: var(--ky-deep);
  color: var(--ky-mist);
  border-bottom-left-radius: var(--ky-radius-lg);
  border-bottom-right-radius: var(--ky-radius-lg);
}

.page-news .news-hero::before {
  content: "";
  position: absolute;
  top: -32%;
  right: -14%;
  width: min(620px, 92vw);
  aspect-ratio: 1 / 1;
  background: radial-gradient(circle at 50% 50%, rgba(45, 225, 194, 0.3), transparent 62%);
  z-index: -1;
  pointer-events: none;
}

.page-news .news-hero::after {
  content: "";
  position: absolute;
  left: -12%;
  bottom: -46%;
  width: min(520px, 84vw);
  aspect-ratio: 1 / 1;
  background: radial-gradient(circle at 50% 50%, rgba(110, 44, 58, 0.55), transparent 66%);
  z-index: -1;
  pointer-events: none;
}

.page-news .news-hero .ky-crumbs__item,
.page-news .news-hero .ky-crumbs__link {
  color: rgba(244, 248, 247, 0.68);
}

.page-news .news-hero .ky-crumbs__link:hover,
.page-news .news-hero .ky-crumbs__link:focus-visible {
  color: var(--ky-cyan);
}

.page-news .news-hero__title {
  margin: clamp(18px, 3vw, 28px) 0 0;
  max-width: 20ch;
  font-size: clamp(34px, 6.4vw, 72px);
  font-weight: 900;
  line-height: 1.06;
  letter-spacing: -0.02em;
  color: #ffffff;
}

.page-news .news-hero__lede {
  margin: clamp(18px, 2.4vw, 26px) 0 0;
  max-width: 58ch;
  font-size: clamp(16px, 1.35vw, 18px);
  line-height: 1.8;
  color: rgba(244, 248, 247, 0.82);
}

.page-news .news-stats {
  margin-top: clamp(28px, 5vw, 52px);
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: rgba(217, 228, 227, 0.22);
  border: 1px solid rgba(217, 228, 227, 0.22);
  border-radius: var(--ky-radius-lg);
  overflow: hidden;
}

.page-news .news-stat {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 18px 20px 20px;
  background: rgba(15, 61, 62, 0.72);
}

.page-news .news-stat__num {
  font-family: var(--ky-mono);
  font-size: clamp(21px, 3vw, 30px);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--ky-cyan);
}

.page-news .news-stat__unit {
  font-size: 13px;
  line-height: 1.5;
  color: rgba(244, 248, 247, 0.68);
}

/* ---------- 通用段落标题 ---------- */
.page-news .news-head {
  max-width: 62ch;
}

.page-news .news-head h2 {
  margin: 10px 0 0;
  font-size: clamp(26px, 3.6vw, 44px);
  font-weight: 800;
  line-height: 1.16;
  letter-spacing: -0.015em;
  color: var(--ky-deep);
}

.page-news .news-head p {
  margin: 14px 0 0;
  font-size: 16px;
  line-height: 1.78;
  color: var(--news-text);
}

.page-news .news-head--onDark h2 {
  color: #ffffff;
}

.page-news .news-head--onDark .ky-eyebrow {
  color: var(--ky-cyan);
}

.page-news .news-head--onDark p {
  color: rgba(244, 248, 247, 0.76);
}

/* ---------- 专题分类 ---------- */
.page-news .news-board {
  padding: clamp(48px, 7vw, 96px) 0;
}

.page-news .news-board__grid {
  margin-top: clamp(28px, 5vw, 52px);
  display: grid;
  gap: clamp(24px, 4vw, 40px);
}

.page-news .news-board__aside {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.page-news .news-board__nav {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.page-news .news-board__nav .ky-anchor__link {
  padding: 10px 14px;
  border-radius: var(--ky-pill);
  border: 1px solid var(--news-line);
  background: #ffffff;
  font-size: 14px;
  font-weight: 600;
  color: var(--ky-deep);
  text-decoration: none;
  transition: border-color 0.3s var(--ky-ease), color 0.3s var(--ky-ease),
    background-color 0.3s var(--ky-ease);
}

.page-news .news-board__nav .ky-anchor__link:hover,
.page-news .news-board__nav .ky-anchor__link:focus-visible {
  border-color: var(--ky-cyan);
  color: var(--ky-teal);
}

.page-news .news-board__nav .ky-anchor__link[aria-current="true"] {
  background: var(--ky-deep);
  border-color: var(--ky-deep);
  color: var(--ky-cyan);
}

.page-news .news-cats {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-news .news-cat {
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 24px 22px 22px;
  background: #ffffff;
  border: 1px solid var(--news-line);
  border-radius: var(--ky-radius);
  box-shadow: var(--ky-shadow);
}

.page-news .news-cat::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 4px;
  background: var(--cat, var(--ky-cyan));
}

.page-news .news-cat:nth-child(1) { --cat: var(--ky-cyan); }
.page-news .news-cat:nth-child(2) { --cat: var(--ky-coral); }
.page-news .news-cat:nth-child(3) { --cat: var(--ky-wine); }
.page-news .news-cat:nth-child(4) { --cat: var(--ky-indigo); }

.page-news .news-cat__num {
  font-family: var(--ky-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--cat, var(--ky-cyan));
}

.page-news .news-cat__title {
  margin: 0;
  font-size: 19px;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--ky-deep);
}

.page-news .news-cat__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--news-text);
}

.page-news .news-cat__count {
  margin-top: 2px;
  font-family: var(--ky-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--news-muted);
}

.page-news .news-board__figure {
  margin: clamp(20px, 3vw, 28px) 0 0;
  border-radius: var(--ky-radius);
  overflow: hidden;
}

.page-news .news-board__figure img {
  width: 100%;
}

/* ---------- 持续更新列表 ---------- */
.page-news .news-feed {
  padding: 0 0 clamp(48px, 7vw, 96px);
}

.page-news .news-cards {
  margin-top: clamp(28px, 5vw, 48px);
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}

.page-news .news-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 24px 22px 22px 26px;
  background: #ffffff;
  border: 1px solid var(--news-line);
  border-radius: var(--ky-radius);
  box-shadow: var(--ky-shadow);
  transition: transform 0.45s var(--ky-ease), box-shadow 0.45s var(--ky-ease);
}

.page-news .news-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 20px;
  bottom: 20px;
  width: 4px;
  border-radius: 0 4px 4px 0;
  background: var(--accent, var(--ky-cyan));
}

.page-news .news-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 24px 52px -30px rgba(10, 42, 59, 0.6);
}

.page-news .news-card--nav { --accent: var(--ky-cyan); }
.page-news .news-card--entry { --accent: var(--ky-coral); }
.page-news .news-card--legacy { --accent: var(--ky-wine); }
.page-news .news-card--review { --accent: var(--ky-indigo); }

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

.page-news .news-card__time {
  font-family: var(--ky-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--news-muted);
}

.page-news .news-card__title {
  margin: 0;
  font-size: clamp(17px, 1.7vw, 21px);
  font-weight: 700;
  line-height: 1.42;
  color: var(--ky-deep);
}

.page-news .news-card__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--news-text);
}

.page-news .news-card__ver {
  margin-top: auto;
  padding-top: 10px;
  font-family: var(--ky-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--news-muted);
}

/* ---------- 旧版资料对照 ---------- */
.page-news .news-legacy {
  position: relative;
  overflow: hidden;
  padding: clamp(28px, 5vw, 64px);
  background: linear-gradient(160deg, var(--ky-wine) 0%, #451c26 100%);
  color: var(--ky-mist);
  border-radius: var(--ky-radius-lg);
}

.page-news .news-legacy__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 48px);
}

.page-news .news-legacy__figure {
  margin: 0;
  border-radius: var(--ky-radius);
  overflow: hidden;
}

.page-news .news-legacy__figure img {
  width: 100%;
}

.page-news .news-legacy__eyebrow {
  margin: 0;
  font-family: var(--ky-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ky-gold);
}

.page-news .news-legacy__body h2 {
  margin: 12px 0 0;
  font-size: clamp(26px, 3.4vw, 42px);
  font-weight: 800;
  line-height: 1.18;
  letter-spacing: -0.015em;
  color: #ffffff;
}

.page-news .news-legacy__text {
  margin: 16px 0 0;
  max-width: 56ch;
  font-size: 16px;
  line-height: 1.8;
  color: rgba(244, 248, 247, 0.82);
}

.page-news .news-legacy__list {
  list-style: none;
  margin: clamp(22px, 3vw, 30px) 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: rgba(244, 248, 247, 0.2);
  border-radius: var(--ky-radius);
  overflow: hidden;
}

.page-news .news-legacy__item {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 14px 18px;
  background: rgba(110, 44, 58, 0.88);
  font-size: 15px;
  line-height: 1.6;
  color: rgba(244, 248, 247, 0.9);
}

.page-news .news-legacy__code {
  flex: 0 0 auto;
  font-family: var(--ky-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--ky-gold);
}

.page-news .news-legacy__body .ky-btn {
  margin-top: clamp(22px, 3vw, 30px);
}

/* ---------- 版本时间轴 ---------- */
.page-news .news-timeline {
  padding: clamp(48px, 7vw, 96px) 0;
  background: var(--ky-teal);
  color: var(--ky-mist);
}

.page-news .news-timeline__figure {
  margin: clamp(26px, 4vw, 40px) 0 0;
  border-radius: var(--ky-radius);
  overflow: hidden;
}

.page-news .news-timeline__figure img {
  width: 100%;
}

.page-news .news-track {
  margin-top: clamp(20px, 3vw, 30px);
  padding: 16px 4px 20px;
  display: flex;
  gap: 16px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
}

.page-news .news-node {
  position: relative;
  flex: 0 0 min(268px, 76vw);
  scroll-snap-align: start;
  padding: 24px 20px 22px;
  background: rgba(244, 248, 247, 0.07);
  border: 1px solid rgba(45, 225, 194, 0.28);
  border-radius: var(--ky-radius);
}

.page-news .news-node::before {
  content: "";
  position: absolute;
  top: -8px;
  left: 20px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--ky-cyan);
  box-shadow: 0 0 0 4px rgba(45, 225, 194, 0.16);
}

.page-news .news-node--current {
  background: rgba(45, 225, 194, 0.12);
  border-color: var(--ky-cyan);
}

.page-news .news-node__ver {
  display: block;
  font-family: var(--ky-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--ky-cyan);
}

.page-news .news-node__title {
  margin: 12px 0 0;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.4;
  color: #ffffff;
}

.page-news .news-node__text {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.72;
  color: rgba(244, 248, 247, 0.74);
}

/* ---------- 更新节奏 ---------- */
.page-news .news-rhythm {
  padding: clamp(48px, 7vw, 96px) 0;
}

.page-news .news-rhythm__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 4vw, 48px);
  align-items: center;
}

.page-news .news-rhythm__body h2 {
  margin: 10px 0 0;
  font-size: clamp(26px, 3.4vw, 42px);
  font-weight: 800;
  line-height: 1.18;
  letter-spacing: -0.015em;
  color: var(--ky-deep);
}

.page-news .news-rhythm__text {
  margin: 16px 0 0;
  max-width: 54ch;
  font-size: 16px;
  line-height: 1.8;
  color: var(--news-text);
}

.page-news .news-rhythm__list {
  list-style: none;
  margin: clamp(22px, 3vw, 30px) 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-news .news-rhythm__item {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 14px 18px;
  background: #ffffff;
  border: 1px solid var(--news-line);
  border-left: 4px solid var(--ky-coral);
  border-radius: var(--ky-radius);
}

.page-news .news-rhythm__code {
  flex: 0 0 auto;
  font-family: var(--ky-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--ky-wine);
}

.page-news .news-rhythm__desc {
  font-size: 15px;
  line-height: 1.7;
  color: var(--news-text);
}

.page-news .news-actions {
  margin-top: clamp(24px, 3vw, 32px);
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-news .news-rhythm__more {
  margin: 18px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--news-muted);
}

.page-news .news-rhythm__more a {
  color: var(--ky-teal);
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-news .news-rhythm__more a:hover,
.page-news .news-rhythm__more a:focus-visible {
  color: var(--ky-coral);
}

.page-news .news-rhythm__figure {
  margin: 0;
  border-radius: var(--ky-radius-lg);
  overflow: hidden;
}

.page-news .news-rhythm__figure img {
  width: 100%;
}

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

@media (min-width: 760px) {
  .page-news .news-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 720px) {
  .page-news .news-cards {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }

  .page-news .news-card--wide {
    grid-column: span 4;
  }

  .page-news .news-card--narrow {
    grid-column: span 2;
  }
}

@media (min-width: 900px) {
  .page-news .news-legacy__grid {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    align-items: start;
  }

  .page-news .news-rhythm__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.85fr);
  }
}

@media (min-width: 980px) {
  .page-news .news-board__grid {
    grid-template-columns: minmax(0, 260px) minmax(0, 1fr);
    align-items: start;
  }

  .page-news .news-board__aside {
    position: sticky;
    top: 108px;
    align-self: start;
  }

  .page-news .news-track {
    gap: 20px;
  }
}

@media (min-width: 1200px) {
  .page-news .news-cards {
    gap: 22px;
  }

  .page-news .news-board__nav .ky-anchor__link {
    padding: 12px 18px;
    font-size: 15px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-card {
    transition: none;
  }

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

  .page-news .news-track {
    scroll-behavior: auto;
  }
}