.page-news {
  --news-space: clamp(16px, 2.6vw, 26px);
  --news-rail: 42px;
  --news-line: rgba(43, 227, 210, 0.26);
  --news-card: rgba(27, 53, 107, 0.44);
  --news-card-soft: rgba(16, 33, 71, 0.34);
  overflow-x: hidden;
}

.page-news h2 {
  margin: 8px 0 14px;
  font-size: clamp(1.5rem, 3.6vw, 2.3rem);
  line-height: 1.25;
  letter-spacing: 0.02em;
  color: var(--paper);
}

.page-news h3 {
  margin: 0 0 8px;
  font-size: clamp(1.02rem, 1.6vw, 1.2rem);
  line-height: 1.45;
  letter-spacing: 0.01em;
  color: var(--paper);
}

.page-news p {
  margin: 0 0 12px;
}

.page-news .prose {
  color: var(--muted);
  max-width: 68ch;
}

/* ---------- 首屏 ---------- */

.page-news .news-hero {
  padding: clamp(26px, 5vw, 52px) 0 clamp(30px, 5vw, 56px);
  background:
    radial-gradient(760px 380px at 8% 0%, rgba(43, 227, 210, 0.15), transparent 68%),
    radial-gradient(620px 340px at 96% 22%, rgba(243, 181, 74, 0.1), transparent 72%);
}

.page-news .news-hero__inner {
  display: grid;
  gap: clamp(26px, 4vw, 42px);
}

.page-news .news-hero__copy h1 {
  margin: 6px 0 16px;
  font-size: clamp(1.95rem, 5.2vw, 3.4rem);
  line-height: 1.16;
  letter-spacing: 0.02em;
  color: var(--paper);
}

.page-news .news-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 20px 0 26px;
  padding: 0;
  list-style: none;
}

.page-news .news-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-news .news-hero__visual {
  position: relative;
  border-radius: var(--radius-l);
  overflow: hidden;
  border: 1px solid var(--news-line);
  background: var(--ink-800);
  box-shadow: var(--shadow-deep);
}

.page-news .news-hero__visual img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 5;
  object-fit: cover;
}

.page-news .news-track {
  position: absolute;
  left: 6%;
  right: 6%;
  bottom: 12%;
  height: 70px;
}

.page-news .news-track svg {
  display: block;
  width: 100%;
  height: 100%;
}

.page-news .news-track__node {
  position: absolute;
  top: 50%;
  width: 12px;
  height: 12px;
  margin: -6px 0 0 -6px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 5px rgba(43, 227, 210, 0.14), 0 0 18px rgba(43, 227, 210, 0.72);
}

.page-news .news-track__node:nth-of-type(1) { left: 12%; }
.page-news .news-track__node:nth-of-type(2) { left: 36%; }
.page-news .news-track__node:nth-of-type(3) { left: 58%; }
.page-news .news-track__node:nth-of-type(4) { left: 82%; }

.page-news .news-track__node--gold {
  background: var(--gold);
  box-shadow: 0 0 0 5px rgba(243, 181, 74, 0.16), 0 0 18px rgba(243, 181, 74, 0.68);
}

/* ---------- 栏目说明 ---------- */

.page-news .news-intro {
  display: grid;
  gap: var(--news-space);
}

.page-news .news-intro__figure {
  border-radius: var(--radius-m);
  overflow: hidden;
  border: 1px solid var(--news-line);
  background: var(--ink-800);
}

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

.page-news .news-cats {
  display: grid;
  gap: var(--news-space);
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .news-cats__item {
  padding: 18px 20px;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-m);
  background: linear-gradient(155deg, var(--news-card), var(--news-card-soft));
}

.page-news .news-cats__idx {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--cyan);
  margin-bottom: 8px;
}

.page-news .news-cats__item:nth-child(even) .news-cats__idx {
  color: var(--gold);
}

.page-news .news-cats__item p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* ---------- 最近更新条目带 ---------- */

.page-news .news-strip {
  display: grid;
  gap: var(--news-space);
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}

.page-news .news-strip__card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 20px;
  border: 1px solid var(--line-soft);
  border-top: 3px solid var(--cyan);
  border-radius: 0 0 var(--radius-m) var(--radius-m);
  background: var(--news-card-soft);
}

.page-news .news-strip__card:nth-child(even) {
  border-top-color: var(--gold);
}

.page-news .news-strip__card h3 {
  margin: 0;
  font-size: 1.05rem;
}

.page-news .news-strip__card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.7;
}

.page-news .news-tag {
  align-self: flex-start;
  padding: 3px 10px;
  border-radius: 999px;
  border: 1px solid var(--news-line);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--cyan);
  background: rgba(43, 227, 210, 0.08);
}

.page-news .news-tag--gold {
  border-color: rgba(243, 181, 74, 0.5);
  color: var(--gold);
  background: rgba(243, 181, 74, 0.1);
}

/* ---------- 时间轴 ---------- */

.page-news .news-timeline__head {
  max-width: 68ch;
}

.page-news .news-jump {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 22px 0 30px;
}

.page-news .news-jump a {
  display: inline-block;
  padding: 7px 14px;
  border: 1px solid var(--line-soft);
  border-radius: 999px;
  font-size: 0.88rem;
  color: var(--paper);
  text-decoration: none;
  transition: border-color 0.2s ease, color 0.2s ease, background 0.2s ease;
}

.page-news .news-jump a:hover,
.page-news .news-jump a:focus-visible {
  border-color: var(--cyan);
  color: var(--cyan);
  background: rgba(43, 227, 210, 0.08);
}

.page-news .news-log {
  position: relative;
  margin: 0;
  padding: 0 0 0 var(--news-rail);
  list-style: none;
}

.page-news .news-log::before {
  content: "";
  position: absolute;
  left: 10px;
  top: 10px;
  bottom: 10px;
  width: 2px;
  background: linear-gradient(180deg, var(--cyan) 0%, rgba(43, 227, 210, 0.28) 45%, rgba(43, 227, 210, 0.04) 100%);
}

.page-news .news-item {
  position: relative;
  margin-bottom: 18px;
}

.page-news .news-item::before {
  content: "";
  position: absolute;
  left: calc(var(--news-rail) * -1 + 4px);
  top: 20px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--ink-900);
  border: 2px solid var(--cyan);
  box-shadow: 0 0 0 4px rgba(43, 227, 210, 0.12);
}

.page-news .news-item:nth-child(even)::before {
  border-color: var(--gold);
  box-shadow: 0 0 0 4px rgba(243, 181, 74, 0.12);
}

.page-news .news-item__body {
  padding: 16px 18px;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-m);
  background: linear-gradient(160deg, var(--news-card), var(--news-card-soft));
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.page-news .news-item__body:hover,
.page-news .news-item__body:focus-within {
  border-color: var(--news-line);
  transform: translateX(2px);
}

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

.page-news .news-when {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.page-news .news-item__body h3 {
  font-size: clamp(1rem, 1.5vw, 1.12rem);
}

.page-news .news-item__body p {
  margin: 0;
  color: var(--muted);
  font-size: 0.94rem;
  line-height: 1.75;
}

.page-news .news-log__pause {
  position: relative;
  margin: 0 0 22px;
  padding: 18px 20px;
  border-radius: 0 var(--radius-m) var(--radius-m) 0;
  border-left: 3px solid var(--gold);
  background: linear-gradient(90deg, rgba(243, 181, 74, 0.14), rgba(243, 181, 74, 0) 78%);
}

.page-news .news-log__pause p {
  margin: 0 0 10px;
  color: var(--paper);
  font-size: 0.95rem;
  line-height: 1.7;
}

.page-news .news-log__pause-link {
  display: inline-block;
  font-size: 0.9rem;
  color: var(--gold);
  text-decoration: none;
  border-bottom: 1px solid rgba(243, 181, 74, 0.45);
  padding-bottom: 2px;
}

.page-news .news-log__pause-link:hover,
.page-news .news-log__pause-link:focus-visible {
  color: var(--gold-light);
  border-bottom-color: var(--gold-light);
}

/* ---------- 版本迭代 ---------- */

.page-news .news-version {
  background:
    linear-gradient(120deg, rgba(18, 169, 156, 0.12), rgba(8, 18, 41, 0) 62%),
    var(--ink-900);
  border-top: 1px solid var(--news-line);
  border-bottom: 1px solid var(--news-line);
}

.page-news .news-version__grid {
  display: grid;
  gap: clamp(24px, 4vw, 40px);
}

.page-news .news-version__list {
  margin: 18px 0 22px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.page-news .news-version__list li {
  position: relative;
  padding-left: 22px;
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.75;
}

.page-news .news-version__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 9px;
  height: 9px;
  border-radius: 2px;
  background: var(--cyan);
  transform: rotate(45deg);
}

.page-news .news-version__list strong {
  color: var(--gold);
  font-weight: 600;
  margin-right: 6px;
}

.page-news .news-version__figure {
  border-radius: var(--radius-m);
  overflow: hidden;
  border: 1px solid var(--news-line);
  background: var(--ink-800);
}

/* ---------- 使用技巧 ---------- */

.page-news .news-tips__head {
  max-width: 68ch;
}

.page-news .news-tips__grid {
  display: grid;
  gap: var(--news-space);
  margin-top: 22px;
}

.page-news .news-tips__card {
  display: flex;
  flex-direction: column;
  padding: 20px;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-m);
  background: rgba(8, 18, 41, 0.42);
}

.page-news .news-tips__card p {
  flex: 1;
  margin: 0 0 14px;
  color: var(--muted);
  font-size: 0.94rem;
  line-height: 1.75;
}

.page-news .news-tips__link {
  align-self: flex-start;
  font-size: 0.9rem;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(43, 227, 210, 0.4);
  padding-bottom: 2px;
}

.page-news .news-tips__link:hover,
.page-news .news-tips__link:focus-visible {
  color: var(--cyan-deep);
  border-bottom-color: var(--cyan-deep);
}

.page-news .news-tips__figure {
  margin: 26px 0 0;
  border-radius: var(--radius-m);
  overflow: hidden;
  border: 1px solid var(--news-line);
  background: var(--ink-800);
}

/* ---------- 内容反馈 ---------- */

.page-news .news-sub__grid {
  display: grid;
  gap: clamp(24px, 4vw, 42px);
}

.page-news .news-sub__mail {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--gold-light);
  word-break: break-all;
}

.page-news .news-sub__side {
  padding: 22px;
  border: 1px solid rgba(243, 181, 74, 0.34);
  border-radius: var(--radius-m);
  background: linear-gradient(150deg, rgba(243, 181, 74, 0.12), rgba(16, 33, 71, 0.34));
}

.page-news .news-sub__side h3 {
  margin: 0 0 14px;
  font-size: 1.05rem;
}

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

.page-news .news-sub__list li {
  position: relative;
  padding-left: 16px;
  color: var(--muted);
  font-size: 0.93rem;
  line-height: 1.75;
}

.page-news .news-sub__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.68em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--gold);
}

.page-news .news-sub__list strong {
  display: block;
  color: var(--paper);
  font-weight: 600;
  margin-bottom: 2px;
}

/* ---------- 响应式 ---------- */

@media (min-width: 700px) {
  .page-news .news-cats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

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

@media (min-width: 960px) {
  .page-news .news-hero__inner {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr);
    align-items: center;
  }

  .page-news .news-intro {
    grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
    align-items: start;
  }

  .page-news .news-intro__head {
    grid-column: 1;
    grid-row: 1;
  }

  .page-news .news-intro__figure {
    grid-column: 1;
    grid-row: 2;
    margin: 0;
  }

  .page-news .news-cats {
    grid-column: 2;
    grid-row: 1 / span 2;
  }

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

  .page-news .news-version__grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    align-items: center;
  }

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

  .page-news .news-tips__figure {
    margin-top: 34px;
  }

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

@media (prefers-reduced-motion: reduce) {
  .page-news .news-item__body,
  .page-news .news-jump a,
  .page-news .news-tips__link,
  .page-news .news-log__pause-link {
    transition: none;
  }
}