.page-news {
  --news-hair: rgba(27, 74, 99, 0.55);
  --c-schedule: #35F0C0;
  --c-lineup: #FF6A3D;
  --c-data: #FFC24B;
  --c-clips: #6FD3FF;
  --c-version: #A6F1D8;
  --c-science: #B9A7FF;
  background: var(--void);
  color: var(--salt);
}

.page-news .breadcrumb {
  padding: 18px 0 2px;
}

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  padding: 10px 0 44px;
  border-bottom: 1px solid var(--anchor);
  background: radial-gradient(90% 130% at 88% -40%, rgba(53, 240, 192, 0.13), transparent 62%);
}

.page-news .news-hero__inner {
  display: grid;
  gap: 30px;
}

.page-news .news-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(36px, 9vw, 70px);
  font-weight: 900;
  line-height: 1.04;
  letter-spacing: -0.02em;
  margin: 12px 0 18px;
}

.page-news .news-hero__lead {
  max-width: 60ch;
  margin: 0;
  font-size: var(--fs-body);
  line-height: 1.85;
  color: var(--mist);
}

.page-news .news-hero__lead strong {
  color: var(--salt);
  font-weight: 700;
}

.page-news .news-hero__side {
  border-left: 1px solid var(--anchor);
  padding-left: 18px;
  display: grid;
  gap: 12px;
  align-content: start;
}

.page-news .news-hero__side-title {
  margin: 0 0 2px;
  font-family: var(--font-mono);
  font-size: var(--fs-xxs);
  letter-spacing: 0.1em;
  color: var(--coral);
}

.page-news .hero-stat {
  margin: 0;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 10px;
  align-items: baseline;
  font-size: var(--fs-sm);
  line-height: 1.6;
  color: var(--mist);
}

.page-news .hero-stat .data-num {
  font-size: 26px;
  font-weight: 700;
  line-height: 1;
}

/* ---------- 区块骨架 ---------- */
.page-news .news-section {
  padding: clamp(42px, 7vw, 82px) 0;
  border-bottom: 1px solid var(--news-hair);
}

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

.page-news .section-head {
  max-width: 720px;
  margin-bottom: clamp(24px, 4vw, 42px);
}

.page-news .section-head h2 {
  font-family: var(--font-display);
  font-size: clamp(25px, 4.4vw, 38px);
  font-weight: 900;
  line-height: 1.16;
  letter-spacing: -0.02em;
  margin: 10px 0 12px;
}

.page-news .split__text h2 {
  font-family: var(--font-display);
  font-size: clamp(25px, 4.4vw, 38px);
  font-weight: 900;
  line-height: 1.16;
  letter-spacing: -0.02em;
  margin: 10px 0 12px;
}

.page-news .section-head__lead {
  margin: 0;
  font-size: var(--fs-sm);
  line-height: 1.85;
  color: var(--mist);
  max-width: 62ch;
}

/* ---------- 变更时间轴 ---------- */
.page-news .tl-track {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(254px, 1fr);
  overflow-x: auto;
  scroll-snap-type: x proximity;
  padding-bottom: 8px;
  margin: 0 calc(var(--gutter) * -1);
  padding-left: var(--gutter);
  padding-right: var(--gutter);
}

.page-news .tl-node {
  position: relative;
  padding: 28px 22px 16px 0;
  scroll-snap-align: start;
}

.page-news .tl-node::before {
  content: "";
  position: absolute;
  top: 6px;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--anchor);
}

.page-news .tl-node::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--coral);
  box-shadow: 0 0 0 4px rgba(255, 106, 61, 0.14);
  transition: transform 0.2s var(--ease), box-shadow 0.2s var(--ease);
}

.page-news .tl-node:hover::after,
.page-news .tl-node:focus-within::after {
  transform: scale(1.25);
  box-shadow: 0 0 0 7px rgba(255, 106, 61, 0.18), 0 0 16px rgba(255, 106, 61, 0.5);
}

.page-news .tl-node__time {
  margin: 0;
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  font-family: var(--font-mono);
  font-size: var(--fs-xxs);
  letter-spacing: 0.08em;
  color: var(--mist);
}

.page-news .tl-node__title {
  margin: 12px 0 14px;
  font-family: var(--font-display);
  font-size: var(--fs-h3);
  font-weight: 800;
  line-height: 1.35;
}

.page-news .tl-node__facts {
  margin: 0;
  display: grid;
  gap: 9px;
}

.page-news .tl-node__facts div {
  display: grid;
  grid-template-columns: 66px 1fr;
  gap: 10px;
}

.page-news .tl-node__facts dt {
  font-family: var(--font-mono);
  font-size: var(--fs-xxs);
  letter-spacing: 0.06em;
  color: var(--mist);
  padding-top: 2px;
}

.page-news .tl-node__facts dd {
  margin: 0;
  font-size: var(--fs-sm);
  line-height: 1.6;
  color: var(--salt);
}

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

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

/* ---------- 栏目跳转 ---------- */
.page-news .note-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: clamp(22px, 3.4vw, 34px);
}

.page-news .note-filter a {
  font-family: var(--font-mono);
  font-size: var(--fs-xxs);
  letter-spacing: 0.06em;
  padding: 7px 13px;
  border: 1px solid var(--anchor);
  color: var(--mist);
  text-decoration: none;
  background: var(--tactic);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%);
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease), background-color 0.18s var(--ease);
}

.page-news .note-filter a:hover,
.page-news .note-filter a:focus-visible {
  color: var(--cyan);
  border-color: var(--cyan);
  background: rgba(53, 240, 192, 0.08);
}

/* ---------- 笔记列表 ---------- */
.page-news .note-groups {
  display: grid;
  gap: 6px;
}

.page-news .note-group {
  position: relative;
  padding: 22px 0 10px;
  border-top: 1px solid var(--anchor);
}

.page-news .note-group::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  width: 58px;
  height: 2px;
  background: var(--cg, var(--cyan));
}

.page-news .note-group--schedule { --cg: var(--c-schedule); }
.page-news .note-group--lineup { --cg: var(--c-lineup); }
.page-news .note-group--data { --cg: var(--c-data); }
.page-news .note-group--clips { --cg: var(--c-clips); }
.page-news .note-group--version { --cg: var(--c-version); }
.page-news .note-group--science { --cg: var(--c-science); }

.page-news .note-group__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 6px;
}

.page-news .note-group__label {
  margin: 0;
  font-family: var(--font-display);
  font-size: var(--fs-h3);
  font-weight: 800;
  letter-spacing: 0.01em;
  color: var(--cg, var(--cyan));
}

.page-news .note-group__count {
  font-family: var(--font-mono);
  font-size: var(--fs-xxs);
  letter-spacing: 0.08em;
  color: var(--mist);
}

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

.page-news .note {
  position: relative;
  display: grid;
  gap: 6px;
  padding: 15px 0 15px 16px;
  border-top: 1px solid var(--news-hair);
}

.page-news .note:first-child {
  border-top: 0;
}

.page-news .note::before {
  content: "";
  position: absolute;
  left: 0;
  top: 14px;
  bottom: 14px;
  width: 3px;
  background: var(--cyan);
  transform: scaleY(0);
  transform-origin: top;
  transition: transform 0.2s var(--ease);
}

.page-news .note:hover::before {
  transform: scaleY(1);
}

.page-news .note__time {
  font-family: var(--font-mono);
  font-size: var(--fs-xxs);
  letter-spacing: 0.08em;
  color: var(--mist);
}

.page-news .note__title {
  margin: 0 0 5px;
  font-size: var(--fs-body);
  font-weight: 700;
  line-height: 1.55;
  color: var(--salt);
}

.page-news .note__desc {
  margin: 0;
  font-size: var(--fs-sm);
  line-height: 1.7;
  color: var(--mist);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ---------- 图文错位 ---------- */
.page-news .split {
  display: grid;
  gap: clamp(22px, 4vw, 40px);
}

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

.page-news .steps {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-news .step {
  padding: 16px 20px 16px 18px;
  background: var(--tactic);
  border-left: 2px solid var(--coral);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 14px), calc(100% - 14px) 100%, 0 100%);
}

.page-news .step__time {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--fs-xxs);
  letter-spacing: 0.08em;
  color: var(--coral);
}

.page-news .step__title {
  margin: 7px 0 6px;
  font-size: var(--fs-body);
  font-weight: 700;
  line-height: 1.5;
}

.page-news .step__desc {
  margin: 0;
  font-size: var(--fs-sm);
  line-height: 1.7;
  color: var(--mist);
}

/* ---------- 阅读路径 ---------- */
.page-news .paths {
  margin-top: 22px;
  display: grid;
  gap: 14px;
}

.page-news .path {
  border-left: 2px solid var(--anchor);
  padding: 4px 0 4px 18px;
  transition: border-color 0.18s var(--ease);
}

.page-news .path:hover {
  border-left-color: var(--cyan);
}

.page-news .path__num {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--fs-xxs);
  letter-spacing: 0.14em;
  color: var(--cyan);
}

.page-news .path__title {
  margin: 7px 0 6px;
  font-size: var(--fs-body);
  font-weight: 700;
  line-height: 1.5;
}

.page-news .path__desc {
  margin: 0;
  font-size: var(--fs-sm);
  line-height: 1.7;
  color: var(--mist);
}

.page-news .paths__tip {
  margin: 18px 0 0;
  font-family: var(--font-serif);
  font-size: var(--fs-sm);
  line-height: 1.8;
  color: var(--sand);
  border-top: 1px solid var(--news-hair);
  padding-top: 14px;
}

/* ---------- 更新节奏与订阅 ---------- */
.page-news .rhythm-grid {
  display: grid;
  gap: clamp(24px, 4vw, 40px);
}

.page-news .rhythm-list {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-news .rhythm-list li {
  display: grid;
  grid-template-columns: 62px 1fr;
  gap: 14px;
  align-items: baseline;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--news-hair);
  font-size: var(--fs-sm);
  line-height: 1.7;
  color: var(--mist);
}

.page-news .rhythm-list .data-num {
  font-size: 30px;
  font-weight: 700;
  line-height: 1;
}

.page-news .subscribe {
  padding: 24px 22px 26px;
  background: rgba(255, 106, 61, 0.07);
  border: 1px solid rgba(255, 106, 61, 0.6);
  border-top: 3px solid var(--coral);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 18px), calc(100% - 18px) 100%, 0 100%);
}

.page-news .subscribe__title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: var(--fs-h3);
  font-weight: 800;
  line-height: 1.35;
}

.page-news .subscribe__desc {
  margin: 0 0 18px;
  font-size: var(--fs-sm);
  line-height: 1.75;
  color: var(--salt);
}

.page-news .subscribe__label {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: var(--fs-xxs);
  letter-spacing: 0.08em;
  color: var(--mist);
}

.page-news .subscribe__mail {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: clamp(15px, 2vw, 18px);
  letter-spacing: 0.04em;
  color: var(--cyan);
  word-break: break-all;
}

.page-news .subscribe__note {
  margin: 0 0 20px;
  font-size: var(--fs-xs);
  line-height: 1.75;
  color: var(--mist);
}

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

/* ---------- 收尾 ---------- */
.page-news .outro {
  margin-top: clamp(34px, 5vw, 56px);
  padding-top: clamp(24px, 3.6vw, 36px);
  border-top: 1px solid var(--anchor);
  display: grid;
  gap: 18px;
}

.page-news .outro__text {
  margin: 0;
  max-width: 60ch;
  font-size: var(--fs-sm);
  line-height: 1.8;
  color: var(--mist);
}

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

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-news .note {
    grid-template-columns: 140px 1fr;
    gap: 18px;
    align-items: start;
  }

  .page-news .note__time {
    padding-top: 4px;
  }

  .page-news .note-list {
    padding-left: 2px;
  }
}

@media (min-width: 860px) {
  .page-news .news-hero__inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: clamp(30px, 5vw, 64px);
    align-items: end;
  }

  .page-news .news-hero__side {
    padding-left: 26px;
    gap: 16px;
    padding-bottom: 6px;
  }

  .page-news .split {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
    align-items: start;
  }

  .page-news .split--reverse {
    grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
  }

  .page-news .rhythm-grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
    align-items: start;
  }

  .page-news .paths {
    gap: 18px;
  }
}

@media (min-width: 980px) {
  .page-news .tl-track {
    grid-auto-columns: 1fr;
    overflow-x: visible;
    margin: 0;
    padding-left: 0;
    padding-right: 0;
  }

  .page-news .tl-node {
    padding-right: 30px;
  }

  .page-news .tl-node:last-child {
    padding-right: 0;
  }

  .page-news .note {
    grid-template-columns: 168px 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .tl-node::after,
  .page-news .note::before,
  .page-news .path,
  .page-news .note-filter a {
    transition: none;
  }
}