.page-news {
  --news-gap: clamp(20px, 3vw, 36px);
  --news-ring: 0 0 0 5px rgba(47, 227, 198, 0.14);
  display: block;
}

.page-news .crumbs {
  margin-top: clamp(20px, 4vw, 40px);
}

.page-news .crumbs ol {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
}

.page-news .crumbs li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--grid);
}

.page-news .crumbs a {
  color: var(--muted);
  text-decoration: none;
}

.page-news .crumbs a:hover,
.page-news .crumbs a:focus-visible {
  color: var(--aurora-soft);
}

.page-news .crumbs [aria-current="page"] {
  color: var(--white);
}

.page-news a:focus-visible,
.page-news button:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: 3px;
}

/* ---------- 首屏 ---------- */

.page-news .news-hero {
  display: grid;
  gap: clamp(28px, 5vw, 56px);
  margin-top: clamp(28px, 5vw, 52px);
  padding-bottom: clamp(36px, 6vw, 72px);
}

.page-news .news-hero__title {
  margin: 14px 0 0;
  max-width: 18ch;
}

.page-news .news-hero__lead {
  margin: 22px 0 0;
  max-width: 62ch;
  color: var(--muted);
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.85;
}

.page-news .news-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.page-news .news-hero__facts {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(20px, 4vw, 48px);
  margin: 34px 0 0;
  padding-top: 20px;
  border-top: 1px solid var(--grid);
}

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

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

.page-news .news-hero__facts dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 20px;
  letter-spacing: 0.04em;
  color: var(--lime);
}

.page-news .news-hero__visual {
  position: relative;
  min-height: 280px;
  padding: 26px 22px;
  border: 1px solid var(--grid);
  background:
    radial-gradient(120% 80% at 85% 12%, rgba(10, 58, 71, 0.85) 0%, rgba(6, 23, 38, 0) 62%),
    repeating-linear-gradient(90deg, rgba(28, 69, 96, 0.45) 0 1px, transparent 1px 44px),
    repeating-linear-gradient(0deg, rgba(28, 69, 96, 0.3) 0 1px, transparent 1px 44px),
    var(--panel);
  overflow: hidden;
}

.page-news .hero-scope {
  position: relative;
  height: 100%;
  min-height: 228px;
}

.page-news .hero-scope__line {
  position: absolute;
  top: 6%;
  bottom: 6%;
  left: 24px;
  width: 2px;
  background: linear-gradient(180deg, var(--amber) 0%, var(--aurora) 46%, var(--lime) 100%);
  opacity: 0.85;
}

.page-news .hero-scope__node {
  position: absolute;
  left: 17px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--ink);
  border: 2px solid var(--aurora);
  box-shadow: var(--news-ring);
}

.page-news .hero-scope__node--a { top: 4%; }
.page-news .hero-scope__node--b { top: 32%; border-color: var(--amber); box-shadow: 0 0 0 5px rgba(255, 122, 51, 0.14); }
.page-news .hero-scope__node--c { top: 60%; }
.page-news .hero-scope__node--d { top: 88%; border-color: var(--lime); box-shadow: 0 0 0 5px rgba(228, 255, 79, 0.12); }

.page-news .hero-scope__tick {
  position: absolute;
  left: 56px;
  height: 1px;
  background: linear-gradient(90deg, rgba(147, 174, 198, 0.6), rgba(147, 174, 198, 0));
}

.page-news .hero-scope__tick--1 { top: 8%; width: 62%; }
.page-news .hero-scope__tick--2 { top: 36%; width: 78%; }
.page-news .hero-scope__tick--3 { top: 64%; width: 48%; }

/* ---------- 章节骨架 ---------- */

.page-news .section {
  padding: clamp(48px, 7vw, 92px) 0;
}

.page-news .section__head {
  max-width: 66ch;
  margin-bottom: clamp(26px, 4vw, 44px);
}

.page-news .section__index {
  margin: 0 0 10px;
  color: var(--lime);
  font-size: 13px;
  letter-spacing: 0.2em;
}

.page-news .section__title {
  margin: 0;
}

.page-news .section__lead {
  margin: 16px 0 0;
  color: var(--muted);
  line-height: 1.85;
}

.page-news .section__lead a {
  color: var(--aurora-soft);
  text-decoration: none;
  border-bottom: 1px solid var(--grid);
}

.page-news .section__lead a:hover,
.page-news .section__lead a:focus-visible {
  color: var(--lime);
  border-bottom-color: var(--lime);
}

.page-news .news-figure,
.page-news .records-figure,
.page-news .columns-figure {
  margin: 0 0 clamp(26px, 4vw, 44px);
}

/* ---------- 01 动态流 ---------- */

.page-news .news-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--grid);
}

.page-news .news-filter .tag,
.page-news .records-filter .tag {
  padding: 7px 14px;
  border: 1px solid var(--grid);
  border-radius: var(--radius);
  background: transparent;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease), background var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-news .news-filter .tag:hover,
.page-news .records-filter .tag:hover {
  color: var(--white);
  border-color: var(--aurora);
  transform: translateY(-2px);
}

.page-news .news-filter .tag[aria-pressed="true"],
.page-news .records-filter .tag[aria-pressed="true"] {
  background: var(--lime);
  border-color: var(--lime);
  color: var(--ink);
  font-weight: 600;
}

.page-news .news-stream {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-news .news-item {
  display: grid;
  gap: 8px;
  padding: 22px 18px;
  border-bottom: 1px solid var(--grid);
  border-left: 2px solid transparent;
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-news .news-item:hover,
.page-news .news-item:focus-within {
  background: var(--panel);
  border-left-color: var(--aurora);
}

.page-news .news-item__time {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--lime);
}

.page-news .news-item__cat {
  justify-self: start;
}

.page-news .news-item__title {
  margin: 0;
  font-size: 18px;
  line-height: 1.5;
  color: var(--white);
}

.page-news .news-item__desc {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.8;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

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

/* ---------- 02 标签对照 ---------- */

.page-news .compare {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-news .compare__row {
  display: grid;
  gap: 10px;
  padding: 16px;
  border: 1px solid var(--grid);
  background: var(--panel);
}

.page-news .compare__side {
  padding: 16px 16px 18px;
  border: 1px solid var(--grid);
  background: rgba(6, 23, 38, 0.62);
}

.page-news .compare__side--new {
  border-color: rgba(255, 122, 51, 0.55);
  background: linear-gradient(180deg, rgba(255, 122, 51, 0.08), rgba(6, 23, 38, 0.62) 70%);
}

.page-news .compare__label {
  margin: 0 0 10px;
  color: var(--muted);
  font-size: 12px;
  letter-spacing: 0.14em;
}

.page-news .compare__name {
  margin: 0;
  font-size: 18px;
  font-weight: 600;
  line-height: 1.4;
  color: var(--white);
}

.page-news .compare__side--new .compare__name {
  color: var(--amber);
}

.page-news .compare__note {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.75;
}

.page-news .compare__arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--aurora);
}

.page-news .compare__arrow svg {
  width: 76px;
  height: 26px;
  transform: rotate(90deg);
}

.page-news .compare-note {
  margin: clamp(22px, 3vw, 32px) 0 0;
  max-width: 68ch;
  padding-left: 16px;
  border-left: 2px solid var(--grid);
  color: var(--muted);
  font-size: 15px;
  line-height: 1.85;
}

/* ---------- 03 使用记录 ---------- */

.page-news .records-split {
  display: grid;
  gap: clamp(26px, 4vw, 48px);
}

.page-news .steps {
  list-style: none;
  counter-reset: step;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 20px;
}

.page-news .steps li {
  counter-increment: step;
  position: relative;
  padding-left: 52px;
}

.page-news .steps li::before {
  content: counter(step, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 1px;
  padding: 3px 6px;
  border: 1px solid var(--grid);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--lime);
}

.page-news .steps__title {
  margin: 0;
  font-size: 17px;
  line-height: 1.5;
  color: var(--white);
}

.page-news .steps p {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.8;
}

.page-news .records-tools {
  margin-top: clamp(26px, 4vw, 40px);
  padding-top: 22px;
  border-top: 1px solid var(--grid);
}

.page-news .records-tools__caption {
  margin: 0 0 12px;
  color: var(--muted);
  font-size: 12px;
  letter-spacing: 0.12em;
}

.page-news .records-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-news .records-tools__hint {
  margin: 16px 0 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.8;
}

.page-news .records-tools__link {
  display: inline-block;
  margin-top: 14px;
  color: var(--aurora-soft);
  font-size: 14px;
  text-decoration: none;
  border-bottom: 1px solid var(--grid);
}

.page-news .records-tools__link:hover,
.page-news .records-tools__link:focus-visible {
  color: var(--lime);
  border-bottom-color: var(--lime);
}

.page-news .device {
  max-width: 460px;
  margin: clamp(30px, 4vw, 44px) auto 0;
  padding: 18px 16px 20px;
  border: 1px solid var(--grid);
  border-radius: 18px;
  background: linear-gradient(180deg, rgba(10, 58, 71, 0.55), rgba(6, 23, 38, 0.9));
}

.page-news .device__bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--grid);
}

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

.page-news .device__status {
  padding: 3px 9px;
  border-radius: 999px;
  background: rgba(47, 227, 198, 0.14);
  color: var(--aurora);
  font-size: 11px;
  letter-spacing: 0.06em;
}

.page-news .device__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-news .device__row {
  display: grid;
  grid-template-columns: 62px minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px;
  padding: 13px 4px;
  border-bottom: 1px solid rgba(28, 69, 96, 0.6);
  transition: background var(--dur) var(--ease);
}

.page-news .device__row:last-child {
  border-bottom: 0;
}

.page-news .device__row:hover {
  background: rgba(28, 69, 96, 0.28);
}

.page-news .device__date {
  font-size: 12px;
  color: var(--lime);
  letter-spacing: 0.04em;
}

.page-news .device__what {
  font-size: 14px;
  color: var(--white);
}

.page-news .device__src {
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--muted);
  white-space: nowrap;
}

/* ---------- 04 版本日志 ---------- */

.page-news .versions {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-news .version {
  position: relative;
  padding: 24px 18px 24px 26px;
  border-left: 2px solid var(--grid);
}

.page-news .version::before {
  content: "";
  position: absolute;
  top: 30px;
  left: -7px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--ink);
  border: 2px solid var(--grid);
}

.page-news .version--current {
  border-left-color: var(--aurora);
  background: linear-gradient(90deg, rgba(10, 58, 71, 0.72), rgba(6, 23, 38, 0) 72%);
}

.page-news .version--current::before {
  border-color: var(--aurora);
  background: var(--aurora);
  box-shadow: var(--news-ring);
}

.page-news .version__no {
  display: inline-block;
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--lime);
}

.page-news .version__title {
  margin: 0;
  font-size: 19px;
  line-height: 1.45;
  color: var(--white);
}

.page-news .version__list {
  margin: 10px 0 0;
  padding-left: 18px;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.85;
}

.page-news .version__list li + li {
  margin-top: 4px;
}

/* ---------- 05 专栏 ---------- */

.page-news .columns-grid {
  display: grid;
  gap: 16px;
}

.page-news .columns-grid .card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 22px 20px;
  border: 1px solid var(--grid);
  background: var(--panel);
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-news .columns-grid .card:hover,
.page-news .columns-grid .card:focus-within {
  border-color: var(--aurora);
  transform: translateY(-4px);
}

.page-news .columns-grid .card__meta {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--lime);
}

.page-news .columns-grid .card__title {
  margin: 0;
  font-size: 19px;
  color: var(--white);
}

.page-news .columns-grid .card__body {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.8;
}

.page-news .columns-grid .card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 4px 0 0;
}

.page-news .columns-grid .card__tags .tag {
  padding: 4px 10px;
  border: 1px solid var(--grid);
  border-radius: var(--radius);
  background: transparent;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
}

.page-news .columns-grid .card__tags .tag--aurora {
  border-color: rgba(47, 227, 198, 0.5);
  color: var(--aurora);
}

.page-news .columns-grid .card__tags .tag--lime {
  border-color: rgba(228, 255, 79, 0.5);
  color: var(--lime);
}

.page-news .columns-figure {
  margin: clamp(30px, 4vw, 48px) 0 0;
}

/* ---------- 结尾 ---------- */

.page-news .news-cta {
  padding: clamp(28px, 4vw, 48px) clamp(20px, 3vw, 40px);
  border: 1px solid var(--grid);
  background:
    radial-gradient(110% 130% at 8% 0%, rgba(10, 58, 71, 0.9) 0%, rgba(6, 23, 38, 0) 62%),
    var(--panel);
}

.page-news .news-cta__title {
  margin: 12px 0 0;
  max-width: 30ch;
  font-size: clamp(24px, 3.4vw, 34px);
  line-height: 1.3;
  color: var(--white);
}

.page-news .news-cta__lead {
  margin: 16px 0 0;
  max-width: 60ch;
  color: var(--muted);
  line-height: 1.85;
}

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

/* ---------- 响应式 ---------- */

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

  .page-news .news-item__title {
    font-size: 19px;
  }
}

@media (min-width: 860px) {
  .page-news .news-hero {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: center;
  }

  .page-news .news-hero__visual {
    min-height: 420px;
  }

  .page-news .hero-scope {
    min-height: 368px;
  }

  .page-news .news-item {
    grid-template-columns: 120px minmax(0, 1fr);
    column-gap: 28px;
    align-items: start;
    padding: 24px 20px;
  }

  .page-news .news-item__time {
    grid-column: 1;
    grid-row: 1 / span 4;
    padding-top: 5px;
  }

  .page-news .news-item__cat,
  .page-news .news-item__title,
  .page-news .news-item__desc {
    grid-column: 2;
  }

  .page-news .compare__row {
    grid-template-columns: minmax(0, 1fr) 110px minmax(0, 1fr);
    align-items: stretch;
    gap: 14px;
  }

  .page-news .compare__arrow svg {
    width: 92px;
    height: 30px;
    transform: none;
  }

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

  .page-news .records-figure {
    margin-bottom: 0;
  }

  .page-news .device {
    margin-left: 0;
    margin-right: 0;
  }

  .page-news .version {
    padding: 28px 24px 28px 30px;
  }
}

@media (min-width: 1040px) {
  .page-news .columns-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-news .columns-grid > :nth-child(2),
  .page-news .columns-grid > :nth-child(5) {
    margin-top: 36px;
  }

  .page-news .columns-grid > :nth-child(7) {
    grid-column: 1 / span 2;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-item,
  .page-news .columns-grid .card,
  .page-news .news-filter .tag,
  .page-news .records-filter .tag,
  .page-news .device__row {
    transition: none;
  }

  .page-news .news-filter .tag:hover,
  .page-news .records-filter .tag:hover,
  .page-news .columns-grid .card:hover {
    transform: none;
  }
}