.page-news {
  --nl-soft: rgba(56, 242, 224, 0.06);
  --nl-line: rgba(46, 110, 108, 0.20);
  --nl-line-strong: rgba(46, 110, 108, 0.40);
  color: var(--paper);
}

/* ---------- 首屏 ---------- */
.page-news .nl-hero {
  position: relative;
  padding: clamp(92px, 15vw, 168px) 0 clamp(36px, 5vw, 60px);
  border-bottom: 1px solid var(--nl-line);
  overflow: hidden;
}

.page-news .nl-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--nl-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--nl-line) 1px, transparent 1px);
  background-size: 64px 64px;
  -webkit-mask-image: radial-gradient(circle at 68% 18%, #000 0%, transparent 70%);
  mask-image: radial-gradient(circle at 68% 18%, #000 0%, transparent 70%);
  pointer-events: none;
}

.page-news .nl-hero__inner {
  position: relative;
  z-index: 1;
}

.page-news .nl-hero .crumb__link {
  color: var(--muted);
  text-decoration: none;
  transition: color var(--t) var(--ease);
}

.page-news .nl-hero .crumb__link:hover {
  color: var(--cyan);
}

.page-news .nl-hero__kicker {
  margin: clamp(22px, 4vw, 38px) 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--cyan);
  text-transform: uppercase;
}

.page-news .nl-hero__title {
  margin: 16px 0 0;
  max-width: 20em;
  font-size: clamp(32px, 6.4vw, 72px);
  line-height: 1.08;
  font-weight: 900;
  letter-spacing: -0.02em;
}

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

.page-news .nl-hero__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 32px 0 0;
  padding: 1px;
  list-style: none;
  background: var(--nl-line);
  border: 1px solid var(--nl-line);
}

.page-news .nl-hero__stats > .stat {
  display: block;
  padding: 18px 16px;
  background: var(--ink-0);
}

.page-news .nl-hero__stats .stat__num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(22px, 3.4vw, 28px);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: 0.02em;
  color: var(--cyan);
}

.page-news .nl-hero__stats .stat__label {
  display: block;
  margin-top: 8px;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--muted);
}

/* ---------- 主栅格 ---------- */
.page-news .nl-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 30px;
  padding-block-start: clamp(38px, 6vw, 72px);
  padding-block-end: clamp(48px, 8vw, 96px);
}

/* ---------- 左侧分类刻度 ---------- */
.page-news .nl-index {
  border-top: 2px solid var(--cyan);
  padding-top: 16px;
}

.page-news .nl-index__cap {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--muted);
}

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

.page-news .nl-index__link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 9px 0;
  border-bottom: 1px solid var(--nl-line);
  color: var(--muted);
  font-size: 15px;
  text-decoration: none;
  transition: color var(--t) var(--ease), padding-left var(--t) var(--ease);
}

.page-news .nl-index__num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--rule);
  transition: color var(--t) var(--ease);
}

.page-news .nl-index__link:hover,
.page-news .nl-index__link:focus-visible {
  color: var(--cyan);
  padding-left: 6px;
}

.page-news .nl-index__link:hover .nl-index__num,
.page-news .nl-index__link:focus-visible .nl-index__num {
  color: var(--cyan);
}

.page-news .nl-index__note {
  margin: 16px 0 0;
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.8;
  letter-spacing: 0.08em;
  color: var(--rule);
}

/* ---------- 章节 ---------- */
.page-news .nl-section {
  scroll-margin-top: calc(var(--bar-h) + 28px);
}

.page-news .nl-section + .nl-section {
  margin-top: clamp(52px, 8vw, 92px);
  padding-top: clamp(28px, 4vw, 44px);
  border-top: 1px solid var(--nl-line);
}

.page-news .nl-section__head {
  margin-bottom: 4px;
}

.page-news .nl-section__figure {
  margin: 26px 0 0;
}

.page-news .media-frame {
  display: block;
  width: 100%;
  margin: 0;
  overflow: hidden;
}

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

/* ---------- 版本变更流 ---------- */
.page-news .nl-board {
  margin-top: 26px;
}

.page-news .nl-filter {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  padding-bottom: 4px;
}

.page-news .nl-filter__input {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  border: 0;
  overflow: hidden;
  white-space: nowrap;
  clip-path: inset(50%);
}

.page-news .nl-filter__chip {
  display: inline-flex;
  align-items: center;
  padding: 7px 14px;
  border: 1px solid var(--nl-line-strong);
  color: var(--muted);
  font-size: 13px;
  letter-spacing: 0.04em;
  cursor: pointer;
  clip-path: polygon(8px 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%, 0 8px);
  transition: color var(--t) var(--ease), background-color var(--t) var(--ease), border-color var(--t) var(--ease);
}

.page-news .nl-filter__chip:hover {
  color: var(--cyan);
  border-color: var(--cyan);
}

.page-news .nl-filter__input:checked + .nl-filter__chip {
  color: var(--ink-0);
  background: var(--cyan);
  border-color: var(--cyan);
}

.page-news .nl-filter__input:focus-visible + .nl-filter__chip {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-news .nl-filter__hint {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--rule);
}

.page-news .nl-board:has(#nl-f-major:checked):not(:has(#nl-f-patch:checked)) .nl-entry:not(.is-major),
.page-news .nl-board:has(#nl-f-patch:checked):not(:has(#nl-f-major:checked)) .nl-entry:not(.is-patch) {
  display: none;
}

.page-news .nl-stream {
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
  counter-reset: nl;
}

.page-news .nl-entry {
  position: relative;
  counter-increment: nl;
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 4px 14px;
  padding: 20px 12px 20px 0;
  border-bottom: 1px solid var(--nl-line);
  transition: background-color var(--t) var(--ease), padding-left var(--t) var(--ease);
}

.page-news .nl-entry::before {
  content: counter(nl, decimal-leading-zero);
  grid-column: 1;
  padding-top: 3px;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.6;
  letter-spacing: 0.06em;
  color: var(--rule);
  transition: color var(--t) var(--ease);
}

.page-news .nl-entry::after {
  content: "";
  position: absolute;
  left: 0;
  top: 22px;
  width: 2px;
  height: 0;
  background: var(--cyan);
  transition: height var(--t) var(--ease);
}

.page-news .nl-entry__body {
  grid-column: 2;
}

.page-news .nl-entry__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
}

.page-news .nl-entry__phase {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--muted);
}

.page-news .nl-entry__phase::before {
  content: "";
  width: 14px;
  height: 1px;
  background: var(--nl-line-strong);
}

.page-news .nl-entry__title {
  margin: 0;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.5;
  letter-spacing: -0.01em;
  color: var(--paper);
}

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

@media (hover: hover) and (min-width: 800px) {
  .page-news .nl-entry__sum {
    max-height: 0;
    margin-top: 0;
    overflow: hidden;
    opacity: 0;
    transition: max-height 240ms var(--ease), margin-top 240ms var(--ease), opacity 200ms var(--ease);
  }

  .page-news .nl-entry:hover,
  .page-news .nl-entry:focus-within {
    background: var(--nl-soft);
    padding-left: 12px;
  }

  .page-news .nl-entry:hover::before,
  .page-news .nl-entry:focus-within::before {
    color: var(--cyan);
  }

  .page-news .nl-entry:hover::after,
  .page-news .nl-entry:focus-within::after {
    height: 24px;
  }

  .page-news .nl-entry:hover .nl-entry__sum,
  .page-news .nl-entry:focus-within .nl-entry__sum {
    max-height: 220px;
    margin-top: 8px;
    opacity: 1;
  }
}

/* ---------- 专题上线 ---------- */
.page-news .nl-topics {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  margin-top: 28px;
}

.page-news .nl-topic {
  position: relative;
  padding: 22px 20px 20px;
  background: var(--ink-1);
  border: 1px solid var(--nl-line);
  clip-path: polygon(0 0, calc(100% - 20px) 0, 100% 20px, 100% 100%, 20px 100%, 0 calc(100% - 20px));
  transition: background-color var(--t) var(--ease);
}

.page-news .nl-topic:hover {
  background: var(--ink-2);
}

.page-news .nl-topic__no {
  display: block;
  font-family: var(--font-mono);
  font-size: 30px;
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--rule);
  transition: color var(--t) var(--ease);
}

.page-news .nl-topic:hover .nl-topic__no {
  color: var(--amber);
}

.page-news .nl-topic__title {
  margin: 14px 0 0;
  font-size: 19px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-news .nl-topic__desc {
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
}

.page-news .nl-topic__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
}

.page-news .nl-topic__tags li {
  padding: 3px 9px;
  border: 1px solid var(--nl-line);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--muted);
}

/* ---------- 赛季文章 ---------- */
.page-news .nl-articles {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
  margin-top: 28px;
}

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

.page-news .nl-article {
  padding: 18px 0;
  border-bottom: 1px solid var(--nl-line);
}

.page-news .nl-article:first-child {
  padding-top: 0;
}

.page-news .nl-article__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.page-news .nl-article__title {
  margin: 0;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.55;
  letter-spacing: -0.01em;
  color: var(--paper);
  transition: color var(--t) var(--ease);
}

.page-news .nl-article:hover .nl-article__title {
  color: var(--cyan);
}

.page-news .nl-article__note {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
}

.page-news .nl-articles__figure {
  margin: 0;
}

/* ---------- 纠错与投稿 ---------- */
.page-news .nl-help {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
  margin-top: 28px;
}

.page-news .nl-help__card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 12px;
  padding: 24px 22px;
  background: var(--ink-1);
  border: 1px solid var(--nl-line);
  clip-path: polygon(0 0, calc(100% - 18px) 0, 100% 18px, 100% 100%, 0 100%);
}

.page-news .nl-help__title {
  margin: 0;
  font-size: 19px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-news .nl-help__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--muted);
}

.page-news .nl-help__contact {
  margin: 22px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--nl-line);
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.95;
  letter-spacing: 0.04em;
  color: var(--muted);
  word-break: break-word;
}

/* ---------- 页尾横图 ---------- */
.page-news .nl-outro {
  margin-top: clamp(52px, 8vw, 92px);
  padding-top: clamp(28px, 4vw, 44px);
  border-top: 1px solid var(--nl-line);
}

/* ---------- 响应式 ---------- */
@media (min-width: 560px) {
  .page-news .nl-hero__stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

@media (min-width: 820px) {
  .page-news .nl-help {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1000px) {
  .page-news .nl-layout {
    grid-template-columns: 200px minmax(0, 1fr);
    gap: 56px;
  }

  .page-news .nl-index {
    position: sticky;
    top: calc(var(--bar-h) + 32px);
    align-self: start;
  }

  .page-news .nl-articles {
    grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
    align-items: start;
  }
}

@media (min-width: 1280px) {
  .page-news .nl-topics {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news *,
  .page-news *::before,
  .page-news *::after {
    transition: none !important;
  }
}