.page-news {
  --news-rail: 128px;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-sans);
  font-size: 17px;
  line-height: 1.8;
}

.page-news .news-crumb {
  padding-top: 22px;
}

/* ---------- 刊头 ---------- */
.page-news .news-head {
  position: relative;
  margin-top: 18px;
  padding: 30px 0 46px;
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(110% 90% at 12% 0%, rgba(212, 167, 44, .12), transparent 60%),
    radial-gradient(80% 70% at 92% 6%, rgba(53, 200, 255, .07), transparent 66%),
    linear-gradient(180deg, #0C0E13 0%, var(--ink) 100%);
}

.page-news .news-head::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 10px;
  background-image: repeating-linear-gradient(90deg, var(--line) 0 1px, transparent 1px 46px);
  opacity: .75;
  pointer-events: none;
}

.page-news .news-kicker {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin: 0 0 18px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--gray);
}

.page-news .news-kicker-num {
  padding: 3px 9px;
  border: 1px solid var(--line);
  color: var(--gold);
  letter-spacing: .16em;
}

.page-news .news-head h1 {
  margin: 0;
  max-width: 16em;
  font-size: clamp(38px, 5.4vw, 72px);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -.02em;
  color: var(--paper);
}

.page-news .news-lede {
  max-width: 60ch;
  margin: 22px 0 0;
  font-size: 17px;
  color: var(--gray);
}

.page-news .news-head-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 34px;
  margin: 30px 0 0;
  padding: 18px 0 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.page-news .news-head-meta li {
  display: flex;
  align-items: baseline;
  gap: 10px;
}

.page-news .news-head-k {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .2em;
  color: var(--gray);
}

.page-news .news-head-v {
  font-size: 15px;
  font-weight: 600;
  color: var(--gold-lt);
}

/* ---------- 外壳 ---------- */
.page-news .news-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 30px;
  padding-top: 34px;
}

.page-news .news-flow {
  min-width: 0;
  padding-bottom: 64px;
}

/* ---------- 栏目标签轨 ---------- */
.page-news .news-rail-t {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .3em;
  color: var(--moss);
}

.page-news .news-rail-list {
  display: flex;
  gap: 10px;
  margin: 0;
  padding: 0 0 8px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-news .news-rail-link {
  display: inline-block;
  padding: 5px 10px;
  border-left: 2px solid var(--line);
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--gray);
  text-decoration: none;
  white-space: nowrap;
  transition: color .25s var(--ease), border-color .25s var(--ease);
}

.page-news .news-rail-link:hover,
.page-news .news-rail-link:focus-visible {
  color: var(--gold-lt);
  border-left-color: var(--gold);
}

/* ---------- 章节 ---------- */
.page-news .news-sec {
  padding: 52px 0;
  border-top: 1px solid var(--line);
}

.page-news .news-sec:first-of-type {
  padding-top: 0;
  border-top: 0;
}

.page-news .news-sec:last-of-type {
  padding-bottom: 0;
}

.page-news .sec-head {
  margin-bottom: 26px;
}

.page-news .sec-num {
  display: inline-block;
  margin-bottom: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .28em;
  color: var(--gold);
}

.page-news .sec-title {
  margin: 0;
  font-size: clamp(26px, 3.2vw, 38px);
  font-weight: 900;
  line-height: 1.2;
  letter-spacing: -.01em;
  color: var(--paper);
}

.page-news .sec-title::after {
  content: "";
  display: block;
  width: 34px;
  height: 4px;
  margin-top: 14px;
  background: var(--gold);
}

.page-news .sec-sub {
  max-width: 58ch;
  margin: 14px 0 0;
  font-size: 15.5px;
  color: var(--gray);
}

/* ---------- 通用图组 ---------- */
.page-news .figure {
  margin: 26px 0;
  padding: 0;
}

.page-news .figure-img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  clip-path: var(--clip-md);
  background: var(--ink-2);
}

.page-news .figure-cap {
  margin-top: 10px;
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--gray);
}

/* ---------- 标签 ---------- */
.page-news .tag {
  display: inline-block;
  padding: 2px 9px;
  border: 1px solid currentColor;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .12em;
  line-height: 1.6;
}

.page-news .tag-gold { color: var(--gold); }
.page-news .tag-moss { color: var(--moss); }

/* ---------- 头条 ---------- */
.page-news .lead-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  clip-path: var(--clip-lg);
  background: linear-gradient(160deg, var(--ink-2) 0%, #0A0C10 100%);
  box-shadow: inset 0 0 0 1px var(--line);
  transition: box-shadow .3s var(--ease);
}

.page-news .lead-card:hover {
  box-shadow: inset 0 0 0 1px var(--gold);
}

.page-news .lead-media {
  margin: 0;
  position: relative;
}

.page-news .lead-media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.page-news .lead-body {
  padding: 26px 22px 30px;
}

.page-news .lead-flag {
  display: inline-block;
  margin-bottom: 14px;
  padding: 3px 10px;
  border-left: 3px solid var(--gold);
  background: rgba(212, 167, 44, .1);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .18em;
  color: var(--gold-lt);
}

.page-news .lead-title {
  margin: 0 0 14px;
  font-size: clamp(21px, 2.4vw, 27px);
  font-weight: 800;
  line-height: 1.35;
  color: var(--paper);
}

.page-news .lead-body p {
  margin: 0 0 14px;
  font-size: 16px;
  color: var(--gray);
}

.page-news .lead-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

/* ---------- 版本日志 ---------- */
.page-news .vlog {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .vlog-item {
  padding: 20px 20px 22px 24px;
  clip-path: var(--clip-xs);
  background: linear-gradient(90deg, #14181E 0%, var(--ink-2) 62%);
  box-shadow: inset 2px 0 0 var(--moss);
  transition: box-shadow .3s var(--ease), transform .3s var(--ease);
}

.page-news .vlog-item:hover {
  box-shadow: inset 2px 0 0 var(--gold);
  transform: translateY(-3px);
}

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

.page-news .vlog-ver {
  padding: 3px 9px;
  border: 1px solid rgba(212, 167, 44, .4);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--gold);
}

.page-news .vlog-title {
  margin: 0 0 8px;
  font-size: 18px;
  font-weight: 700;
  line-height: 1.45;
  color: var(--paper);
}

.page-news .vlog-item p {
  margin: 0;
  font-size: 15.5px;
  color: var(--gray);
}

/* ---------- 装机案例 ---------- */
.page-news .guide-tabs {
  margin-top: 28px;
}

.page-news .guide-tabs .tabs-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}

.page-news .tab-btn {
  appearance: none;
  padding: 8px 16px;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--gray);
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .14em;
  cursor: pointer;
  transition: color .25s var(--ease), border-color .25s var(--ease),
    background-color .25s var(--ease), box-shadow .25s var(--ease);
}

.page-news .tab-btn:hover {
  color: var(--paper);
  border-color: var(--moss);
}

.page-news .tab-btn.is-on {
  color: var(--gold-lt);
  border-color: rgba(212, 167, 44, .5);
  background: rgba(212, 167, 44, .08);
  box-shadow: inset 0 -2px 0 var(--neon);
}

.page-news .tab-btn:focus-visible {
  outline: 2px solid var(--neon);
  outline-offset: 2px;
}

.page-news .guide-panel {
  display: none;
  padding-top: 22px;
}

.page-news .guide-panel.is-on {
  display: block;
}

.page-news .case-list {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .case-item {
  padding: 20px;
  clip-path: var(--clip-sm);
  background: var(--ink-2);
  box-shadow: inset 0 0 0 1px var(--line);
  transition: transform .3s var(--ease), box-shadow .3s var(--ease);
}

.page-news .case-item:hover {
  transform: translateY(-4px);
  box-shadow: inset 0 0 0 1px var(--gold);
}

.page-news .case-title {
  margin: 0 0 10px;
  font-size: 16.5px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--gold-lt);
}

.page-news .case-note {
  margin: 0;
  font-size: 15px;
  color: var(--gray);
}

.page-news .case-time {
  display: inline-block;
  margin-top: 14px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .14em;
  color: var(--moss);
  opacity: .68;
  transition: opacity .25s var(--ease), color .25s var(--ease);
}

.page-news .case-item:hover .case-time {
  opacity: 1;
  color: var(--neon);
}

/* ---------- 竞技场专题 ---------- */
.page-news .arena-card {
  position: relative;
  min-height: 380px;
  clip-path: var(--clip-lg);
  background: #050609;
}

.page-news .arena-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  margin: 0;
}

.page-news .arena-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .4;
}

.page-news .arena-card::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(120deg, rgba(8, 9, 12, .95) 0%, rgba(8, 9, 12, .58) 55%, rgba(8, 9, 12, .88) 100%);
  pointer-events: none;
}

.page-news .arena-body {
  position: relative;
  z-index: 2;
  max-width: 62ch;
  padding: 34px 22px 38px;
}

.page-news .arena-kicker {
  display: inline-block;
  margin-bottom: 12px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .3em;
  color: var(--neon);
}

.page-news .arena-body p {
  margin: 18px 0 0;
  font-size: 16px;
  color: var(--gray);
}

.page-news .arena-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 12px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.page-news .arena-list li {
  padding: 14px 16px;
  background: rgba(255, 255, 255, .03);
  box-shadow: inset 0 0 0 1px rgba(212, 167, 44, .26);
}

.page-news .arena-list strong {
  display: block;
  font-family: var(--font-mono);
  font-size: 19px;
  letter-spacing: .04em;
  color: var(--gold);
}

.page-news .arena-list span {
  display: block;
  margin-top: 4px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--gray);
}

/* ---------- 教程书单 ---------- */
.page-news .book-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
}

.page-news .book-col {
  padding: 24px 22px 26px;
  clip-path: var(--clip-md);
  background: linear-gradient(180deg, #14171D 0%, var(--ink-2) 100%);
  box-shadow: inset 0 0 0 1px var(--line);
}

.page-news .book-col h3 {
  margin: 0;
  font-size: 20px;
  font-weight: 800;
  color: var(--paper);
}

.page-news .book-col h3::after {
  content: "";
  display: block;
  width: 28px;
  height: 4px;
  margin-top: 12px;
  background: var(--clay);
}

.page-news .book-sub {
  margin: 16px 0 18px;
  font-size: 14.5px;
  color: var(--gray);
}

.page-news .book-list {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .book-list li {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 10px;
  border-bottom: 1px dashed rgba(44, 49, 58, .9);
  font-size: 15px;
  color: var(--paper);
}

.page-news .book-list li:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-news .book-form {
  flex: none;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .1em;
  color: var(--clay);
}

/* ---------- 更新节奏 ---------- */
.page-news .cadence-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.page-news .cadence-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 6px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}

.page-news .cadence-name {
  font-size: 17px;
  font-weight: 800;
  color: var(--paper);
}

.page-news .cadence-cycle {
  font-size: 15px;
  color: var(--gray);
}

.page-news .cadence-go {
  font-size: 14px;
}

.page-news .news-tail {
  margin: 28px 0 0;
  padding: 18px 20px;
  border-left: 3px solid var(--moss);
  background: rgba(143, 168, 147, .06);
  font-size: 15px;
  color: var(--gray);
}

.page-news .news-tail .link-neon {
  margin-left: 6px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-news .lead-body {
    padding: 30px 30px 34px;
  }

  .page-news .arena-body {
    padding: 44px 40px 48px;
  }
}

@media (min-width: 720px) {
  .page-news .case-list {
    grid-template-columns: 1fr 1fr;
  }

  .page-news .book-grid {
    grid-template-columns: 1fr 1fr;
  }

  .page-news .cadence-item {
    grid-template-columns: 140px minmax(0, 1fr) 130px;
    align-items: center;
    gap: 20px;
    padding: 20px 0;
  }

  .page-news .cadence-go {
    text-align: right;
  }

  .page-news .lead-card {
    grid-template-columns: 54% 46%;
  }

  .page-news .lead-media {
    height: 100%;
  }

  .page-news .lead-media img {
    height: 100%;
    aspect-ratio: auto;
  }
}

@media (min-width: 980px) {
  .page-news .news-shell {
    grid-template-columns: minmax(0, 1fr) var(--news-rail);
    gap: 48px;
    align-items: start;
    padding-top: 44px;
  }

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

  .page-news .news-rail {
    grid-column: 2;
    grid-row: 1;
    position: sticky;
    top: 108px;
    align-self: start;
  }

  .page-news .news-rail-list {
    flex-direction: column;
    gap: 22px;
    padding: 0;
    overflow: visible;
  }

  .page-news .news-rail-link {
    padding: 10px 4px;
    border-left: 0;
    border-top: 2px solid var(--line);
    writing-mode: vertical-rl;
    white-space: normal;
    letter-spacing: .28em;
  }

  .page-news .news-rail-link:hover,
  .page-news .news-rail-link:focus-visible {
    border-top-color: var(--neon);
    border-left-color: transparent;
  }

  .page-news .news-sec {
    padding: 64px 0;
  }

  .page-news .news-head {
    padding: 42px 0 56px;
  }
}

@media (min-width: 1140px) {
  .page-news .vlog {
    grid-template-columns: 1fr 1fr;
  }

  .page-news .vlog-item:first-child {
    grid-column: 1 / -1;
  }
}