.page-news {
  --news-hairline: rgba(46, 107, 168, 0.35);
  --news-surface: rgba(11, 27, 51, 0.72);
  --news-step: clamp(48px, 7vw, 96px);
  position: relative;
}

.page-news .section {
  padding-top: var(--news-step);
}

/* ---------- 左侧章节轨 ---------- */

.page-news .chapter-rail {
  display: none;
}

.page-news .rail-label {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--scale-blue);
  text-align: center;
  margin-bottom: 6px;
}

.page-news .rail-link {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--mist);
  text-decoration: none;
  transition: color 240ms var(--ease), background-color 240ms var(--ease);
}

.page-news .rail-link:hover {
  color: var(--chalk);
  background: rgba(46, 107, 168, 0.24);
}

.page-news .rail-link[aria-current="true"] {
  background: var(--orange);
  color: var(--ink);
  font-weight: 700;
}

@media (min-width: 1600px) {
  .page-news .chapter-rail {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    position: fixed;
    top: 50%;
    left: 22px;
    transform: translateY(-50%);
    z-index: 30;
    padding: 16px 11px;
    border: 1px solid var(--line);
    border-radius: var(--pill);
    background: rgba(5, 8, 15, 0.78);
    backdrop-filter: blur(10px);
  }
}

/* ---------- 页头框景 ---------- */

.page-news .news-hero {
  padding-top: calc(var(--header-h) + clamp(28px, 6vw, 72px));
  padding-bottom: clamp(28px, 4vw, 48px);
}

.page-news .news-hero-frame {
  display: grid;
  gap: clamp(26px, 4vw, 48px);
  padding: clamp(22px, 3.4vw, 48px);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(120% 95% at 100% 0%, rgba(20, 51, 92, 0.92) 0%, rgba(11, 27, 51, 0.62) 44%, rgba(5, 8, 15, 0) 80%),
    var(--deep);
}

.page-news .news-hero-copy {
  display: grid;
  gap: clamp(16px, 2.2vw, 24px);
  align-content: start;
}

.page-news .news-hero-titlerow {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.page-news .news-hero-title {
  margin: 0;
  font-size: clamp(40px, 7vw, 88px);
  line-height: 1.02;
  font-weight: 900;
  letter-spacing: -0.02em;
  color: var(--chalk);
}

.page-news .news-hero-vert {
  display: none;
  writing-mode: vertical-rl;
  text-orientation: upright;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.3em;
  color: var(--scale-blue);
  padding-left: 10px;
  border-left: 1px solid var(--line);
  margin: 6px 0 0;
}

.page-news .news-hero-lede {
  margin: 0;
  max-width: 40ch;
  font-size: 17px;
  line-height: 1.9;
  color: var(--mist);
}

.page-news .news-hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  margin-top: 4px;
}

.page-news .save-wrap {
  position: relative;
}

.page-news .save-tip {
  margin: 12px 0 0;
  max-width: 40ch;
  font-family: var(--mono);
  font-size: 13px;
  line-height: 1.8;
  letter-spacing: 0.02em;
  color: var(--mist);
  border-left: 2px solid var(--orange);
  padding-left: 12px;
}

.page-news .news-hero-figure {
  margin: 0;
}

.page-news .figure-media {
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--rail);
}

.page-news .news-hero-figure .figure-media {
  border: 1px solid var(--line);
}

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

.page-news .figure-cap {
  margin: 10px 0 0;
  font-family: var(--mono);
  font-size: 13px;
  line-height: 1.7;
  letter-spacing: 0.04em;
  color: var(--mist);
}

@media (min-width: 860px) {
  .page-news .news-hero-vert {
    display: block;
  }
}

@media (min-width: 980px) {
  .page-news .news-hero-frame {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: center;
  }
}

/* ---------- 章节头 ---------- */

.page-news .section-head {
  display: grid;
  gap: 10px;
}

.page-news .section-num {
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.16em;
  color: var(--orange);
}

.page-news .section-title {
  margin: 0;
  font-size: clamp(30px, 4vw, 44px);
  line-height: 1.15;
  font-weight: 800;
  letter-spacing: -0.015em;
  color: var(--chalk);
}

.page-news .section-note {
  margin: 0;
  font-family: var(--mono);
  font-size: 13px;
  line-height: 1.8;
  letter-spacing: 0.04em;
  color: var(--mist);
}

@media (min-width: 860px) {
  .page-news .section-head {
    grid-template-columns: auto minmax(0, 1fr) auto;
    gap: 22px;
    align-items: baseline;
  }
}

/* ---------- 筛选铁轨 ---------- */

.page-news .news-filter-wrap {
  margin-top: clamp(22px, 3vw, 36px);
}

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

.page-news .news-filterbar .rail-track {
  display: flex;
  align-items: center;
  gap: 10px;
  flex: 1 1 auto;
  min-width: 0;
  overflow-x: auto;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  padding: 6px 34px;
  -webkit-mask-image: linear-gradient(90deg, transparent 0, #000 30px, #000 calc(100% - 30px), transparent 100%);
  mask-image: linear-gradient(90deg, transparent 0, #000 30px, #000 calc(100% - 30px), transparent 100%);
}

.page-news .news-filterbar .rail-track::-webkit-scrollbar {
  display: none;
}

.page-news .news-filterbar .rail-btn {
  flex: 0 0 auto;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid var(--line-strong);
  background: var(--deep);
  color: var(--chalk);
  font-family: var(--mono);
  font-size: 15px;
  line-height: 1;
  cursor: pointer;
  transition: background-color 220ms var(--ease), color 220ms var(--ease), border-color 220ms var(--ease);
}

.page-news .news-filterbar .rail-btn:hover {
  background: var(--orange);
  border-color: var(--orange);
  color: var(--ink);
}

.page-news .filter-btn {
  flex: 0 0 auto;
  scroll-snap-align: start;
  appearance: none;
  border: 1px solid var(--line-strong);
  border-radius: var(--pill);
  background: transparent;
  color: var(--mist);
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  padding: 11px 20px;
  white-space: nowrap;
  cursor: pointer;
  transition: color 220ms var(--ease), background-color 220ms var(--ease), border-color 220ms var(--ease);
}

.page-news .filter-btn:hover {
  color: var(--chalk);
  border-color: var(--scale-blue);
}

.page-news .filter-btn[aria-pressed="true"] {
  background: var(--orange);
  border-color: var(--orange);
  color: var(--ink);
  font-weight: 700;
}

.page-news .rail-dots {
  display: flex;
  gap: 6px;
  margin-top: 14px;
}

.page-news .rail-dot {
  width: 8px;
  height: 8px;
  padding: 0;
  border: 0;
  border-radius: 50%;
  background: var(--rail);
  cursor: pointer;
  transition: background-color 200ms var(--ease);
}

.page-news .rail-dot.is-active {
  background: var(--orange);
}

/* ---------- 条目流 ---------- */

.page-news .news-stream {
  display: grid;
  gap: clamp(36px, 5.5vw, 76px);
  margin-top: clamp(30px, 4vw, 52px);
}

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

@media (min-width: 900px) {
  .page-news .news-entry {
    grid-template-columns: minmax(0, 2fr) minmax(0, 1fr);
    gap: clamp(20px, 3vw, 36px);
    align-items: start;
  }

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

  .page-news .news-entry--alt .news-card {
    grid-column: 2;
    grid-row: 1;
  }

  .page-news .news-entry--alt .news-plate {
    grid-column: 1;
    grid-row: 1;
  }

  .page-news .news-entry:nth-child(even) {
    margin-top: clamp(8px, 2vw, 34px);
  }
}

/* 条目卡 */

.page-news .news-card {
  --card-accent: var(--orange);
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, rgba(11, 27, 51, 0.94), rgba(11, 27, 51, 0.58));
  padding: clamp(20px, 2.6vw, 32px);
  transition: border-color 280ms var(--ease), transform 280ms var(--ease);
}

.page-news .news-card--green { --card-accent: var(--green); }
.page-news .news-card--yellow { --card-accent: var(--yellow); }
.page-news .news-card--blue { --card-accent: var(--scale-blue); }

.page-news .news-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  width: 6px;
  background: var(--card-accent);
}

.page-news .news-card:hover {
  border-color: var(--card-accent);
  transform: translateY(-4px);
}

.page-news .news-card-figure {
  margin: 0 0 20px;
}

.page-news .news-card-figure .figure-media {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
}

.page-news .news-card-index {
  margin: 0;
  font-family: var(--mono);
  font-size: 13px;
  line-height: 1.7;
  letter-spacing: 0.04em;
  color: var(--card-accent);
  border-left: 2px solid var(--card-accent);
  padding-left: 10px;
}

.page-news .news-card-body {
  display: grid;
  gap: 12px;
  align-content: start;
}

.page-news .news-card-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-news .news-card-title {
  margin: 0;
  font-size: 28px;
  line-height: 1.34;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--chalk);
}

.page-news .news-card-text {
  margin: 0;
  max-width: 42ch;
  font-size: 17px;
  line-height: 1.9;
  color: var(--mist);
}

.page-news .news-card-action {
  margin: 4px 0 0;
}

@media (min-width: 720px) {
  .page-news .news-card {
    display: grid;
    grid-template-columns: 92px minmax(0, 1fr);
    column-gap: clamp(18px, 2.4vw, 32px);
    row-gap: 20px;
  }

  .page-news .news-card-figure {
    grid-column: 1 / -1;
    margin-bottom: 0;
  }

  .page-news .news-card-index {
    grid-column: 1;
    margin-top: 4px;
  }

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

/* 说明牌 */

.page-news .news-plate {
  display: grid;
  gap: 6px;
  align-content: start;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(5, 8, 15, 0.55);
  padding: clamp(18px, 2.4vw, 26px);
}

.page-news .news-plate .plate-label {
  margin: 0;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--scale-blue);
}

.page-news .news-plate .plate-body {
  margin: 0 0 12px;
  font-size: 13px;
  line-height: 1.9;
  letter-spacing: 0.02em;
  color: var(--mist);
}

.page-news .news-plate .plate-body:last-child {
  margin-bottom: 0;
}

/* ---------- 色带 ---------- */

.page-news .band {
  height: 6px;
  margin-top: clamp(36px, 5vw, 64px);
  border-radius: var(--pill);
}

/* ---------- 连载系列 ---------- */

.page-news .series-stack {
  display: grid;
  gap: clamp(18px, 2.4vw, 28px);
  margin-top: clamp(28px, 4vw, 48px);
}

.page-news .series-card {
  --series-color: var(--orange);
  position: relative;
  display: grid;
  gap: 10px;
  align-content: start;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--news-surface);
  padding: clamp(20px, 2.4vw, 28px) clamp(20px, 2.4vw, 28px) calc(clamp(20px, 2.4vw, 28px) + 8px);
  transition: border-color 260ms var(--ease);
}

.page-news .series-card:hover {
  border-color: var(--series-color);
}

.page-news .series-card::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 6px;
  background: var(--series-color);
}

.page-news .series-card--yellow { --series-color: var(--yellow); }
.page-news .series-card--blue { --series-color: var(--scale-blue); }
.page-news .series-card--green { --series-color: var(--green); }

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

.page-news .series-card-title {
  margin: 0;
  font-size: 22px;
  line-height: 1.3;
  font-weight: 800;
  color: var(--chalk);
}

.page-news .series-card-text {
  margin: 0;
  font-size: 15px;
  line-height: 1.9;
  color: var(--mist);
}

.page-news .series-card-facts {
  display: grid;
  gap: 8px;
  margin: 6px 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--line);
}

.page-news .series-fact {
  display: grid;
  gap: 2px;
}

.page-news .series-fact dt {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--scale-blue);
}

.page-news .series-fact dd {
  margin: 0;
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--chalk);
}

@media (min-width: 720px) {
  .page-news .series-stack {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1140px) {
  .page-news .series-stack {
    grid-template-columns: 4fr 3fr 4fr 3fr;
    align-items: start;
  }

  .page-news .series-stack > :nth-child(2) {
    margin-top: 30px;
  }

  .page-news .series-stack > :nth-child(4) {
    margin-top: 16px;
  }
}

/* ---------- 更新节奏 ---------- */

.page-news .rhythm-grid {
  display: grid;
  gap: clamp(24px, 3vw, 40px);
  margin-top: clamp(28px, 4vw, 48px);
}

.page-news .rhythm-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-news .rhythm-item {
  display: grid;
  gap: 6px;
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
}

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

.page-news .rhythm-what {
  margin: 0;
  font-size: 16px;
  line-height: 1.85;
  color: var(--chalk);
}

.page-news .rhythm-plate .plate-label {
  color: var(--green);
}

.page-news .rhythm-plate .plate-label:first-child {
  color: var(--scale-blue);
}

.page-news .rhythm-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 6px 0 0;
}

@media (min-width: 640px) {
  .page-news .rhythm-item {
    grid-template-columns: 148px minmax(0, 1fr);
    gap: 20px;
    align-items: baseline;
  }
}

@media (min-width: 960px) {
  .page-news .rhythm-grid {
    grid-template-columns: minmax(0, 2fr) minmax(0, 1fr);
    align-items: start;
  }
}

/* ---------- 降级 ---------- */

@media (prefers-reduced-motion: reduce) {
  .page-news .news-card,
  .page-news .filter-btn,
  .page-news .rail-link,
  .page-news .rail-btn,
  .page-news .series-card,
  .page-news .rail-dot {
    transition: none;
  }

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

  .page-news .news-entry:nth-child(even) {
    margin-top: 0;
  }
}