.page-news {
  background: var(--paper);
  color: var(--ink-1000);
  --news-rail: minmax(258px, 80vw);
}

.page-news .num {
  font-family: var(--font-num);
  font-variant-numeric: tabular-nums;
}

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  position: relative;
  overflow: hidden;
  padding-bottom: clamp(26px, 4vw, 50px);
  background:
    radial-gradient(120% 90% at 86% -18%, rgba(242, 184, 75, 0.16), transparent 62%),
    linear-gradient(180deg, var(--ink-950) 0%, var(--ink-900) 100%);
  color: var(--mist);
}

.page-news .news-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(90deg, var(--line) 0 1px, transparent 1px 96px);
  opacity: 0.6;
  pointer-events: none;
}

.page-news .news-hero > * {
  position: relative;
  z-index: 1;
}

.page-news .news-hero__inner {
  padding-top: clamp(18px, 3vw, 30px);
}

.page-news .news-hero .breadcrumb {
  font-size: 0.8125rem;
  letter-spacing: 0.05em;
  color: var(--steel);
}

.page-news .news-hero .breadcrumb a {
  color: var(--frost);
  text-decoration: none;
}

.page-news .news-hero .breadcrumb a:hover {
  color: var(--gold);
}

.page-news .news-hero .breadcrumb [aria-current="page"] {
  color: var(--gold);
}

.page-news .news-hero__eyebrow {
  display: flex;
  align-items: center;
  gap: 0.7em;
  margin: clamp(22px, 3.4vw, 40px) 0 0;
  font-size: 0.75rem;
  letter-spacing: 0.22em;
  color: var(--gold);
}

.page-news .news-hero__eyebrow .num {
  font-size: 1rem;
  letter-spacing: 0.08em;
  padding-right: 0.7em;
  border-right: 1px solid var(--gold-line);
}

.page-news .news-hero h1 {
  margin: 0.55em 0 0;
  max-width: 17ch;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(2.15rem, 5.8vw, 4.2rem);
  line-height: 1.16;
  letter-spacing: 0.04em;
  color: var(--paper);
}

.page-news .news-hero__lead {
  margin: clamp(18px, 2.6vw, 28px) 0 0;
  max-width: 48ch;
  font-size: clamp(0.98rem, 1.4vw, 1.1rem);
  line-height: 1.85;
  color: var(--frost);
}

.page-news .news-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(22px, 3vw, 32px);
}

.page-news .hero-facts {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(18px, 3vw, 46px);
  margin: clamp(26px, 3.6vw, 40px) 0 0;
  padding: 18px 0 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.page-news .hero-facts li {
  display: flex;
  align-items: baseline;
  gap: 0.6em;
  font-size: 0.8125rem;
  color: var(--steel);
}

.page-news .hero-facts b {
  font-family: var(--font-num);
  font-size: 1.55rem;
  line-height: 1;
  color: var(--gold);
  letter-spacing: 0.02em;
}

/* ---------- 横向主题带 ---------- */
.page-news .hero-rail {
  margin-top: clamp(26px, 4vw, 46px);
}

.page-news .hero-rail__label {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  margin: 0;
  padding: 0 var(--gutter);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  color: var(--steel);
}

.page-news .hero-rail__track {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: var(--news-rail);
  gap: var(--gap);
  margin-top: 14px;
  padding: 0 var(--gutter) 14px;
  overflow-x: auto;
  overscroll-behavior-x: contain;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
}

.page-news .hero-rail__track > * {
  scroll-snap-align: start;
}

.page-news .rail-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin: 0;
  padding: clamp(16px, 2vw, 22px);
  min-height: 208px;
  background: linear-gradient(180deg, rgba(10, 14, 20, 0.82), rgba(7, 20, 33, 0.92));
  border: 1px solid var(--line);
  border-top: 2px solid var(--gold-line);
}

.page-news .rail-card--lead {
  padding: 0;
  overflow: hidden;
}

.page-news .rail-card__body {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 14px clamp(15px, 2vw, 20px) clamp(16px, 2vw, 20px);
}

.page-news .rail-card__title {
  margin: 0;
  font-family: var(--font-head);
  font-size: clamp(1rem, 1.6vw, 1.22rem);
  font-weight: 700;
  line-height: 1.45;
  letter-spacing: 0.03em;
  color: var(--paper);
}

.page-news .rail-card__text {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--frost);
}

/* ---------- 系列标签 ---------- */
.page-news .series-tag {
  align-self: flex-start;
  display: inline-block;
  padding: 3px 9px;
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  border: 1px solid currentColor;
  color: var(--steel);
}

.page-news .series-tag--guide { color: var(--gold); }
.page-news .series-tag--device { color: var(--celadon); }
.page-news .series-tag--route { color: var(--magenta); }
.page-news .series-tag--local { color: var(--frost); }

/* ---------- 通用区块 ---------- */
.page-news .section {
  padding: clamp(44px, 6.5vw, 86px) 0;
}

.page-news .section-head {
  margin-bottom: clamp(24px, 3.4vw, 40px);
}

.page-news .section-head__no {
  display: flex;
  align-items: center;
  gap: 0.7em;
  margin: 0 0 12px;
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  color: var(--steel);
}

.page-news .section-head__no .num {
  font-size: 1rem;
  color: var(--gold);
  padding-right: 0.7em;
  border-right: 1px solid var(--gold-line);
}

.page-news .section-head h2 {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(1.5rem, 3vw, 2.35rem);
  line-height: 1.3;
  letter-spacing: 0.045em;
  color: var(--ink-1000);
}

.page-news .section-head p {
  margin: 12px 0 0;
  max-width: 56ch;
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--steel);
}

.page-news .section-head--dark h2 { color: var(--paper); }
.page-news .section-head--dark p { color: var(--frost); }

/* ---------- 专题索引 ---------- */
.page-news .section--index {
  background: var(--paper);
}

.page-news .section--index .shell {
  position: relative;
}

.page-news .filter-input {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.page-news .filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  margin-bottom: clamp(18px, 2.6vw, 26px);
}

.page-news .filter-bar label {
  padding: 8px 15px;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  color: var(--ink-1000);
  border: 1px solid var(--line-strong);
  background: transparent;
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.page-news .filter-bar label:hover {
  border-color: var(--gold);
  color: var(--amber);
}

.page-news #news-f-all:checked ~ .filter-bar label[for="news-f-all"],
.page-news #news-f-guide:checked ~ .filter-bar label[for="news-f-guide"],
.page-news #news-f-device:checked ~ .filter-bar label[for="news-f-device"],
.page-news #news-f-route:checked ~ .filter-bar label[for="news-f-route"],
.page-news #news-f-local:checked ~ .filter-bar label[for="news-f-local"] {
  background: var(--gold);
  border-color: var(--gold);
  color: var(--ink-1000);
}

.page-news #news-f-guide:checked ~ .topic-list > .topic-row:not(.is-guide),
.page-news #news-f-device:checked ~ .topic-list > .topic-row:not(.is-device),
.page-news #news-f-route:checked ~ .topic-list > .topic-row:not(.is-route),
.page-news #news-f-local:checked ~ .topic-list > .topic-row:not(.is-local) {
  display: none;
}

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

.page-news .topic-row {
  border-top: 1px solid var(--line-strong);
}

.page-news .topic-row:last-child {
  border-bottom: 1px solid var(--line-strong);
}

.page-news .topic-summary {
  position: relative;
  display: flex;
  align-items: flex-start;
  gap: clamp(12px, 2.2vw, 26px);
  padding: clamp(16px, 2.4vw, 26px) 0 clamp(16px, 2.4vw, 26px) clamp(12px, 1.8vw, 20px);
  list-style: none;
  cursor: pointer;
}

.page-news .topic-summary::-webkit-details-marker { display: none; }

.page-news .topic-summary::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--line-strong);
  transition: background 0.2s ease;
}

.page-news .topic-row:hover .topic-summary::before,
.page-news .topic-details[open] .topic-summary::before {
  background: var(--gold);
}

.page-news .topic-summary::after {
  content: "+";
  font-family: var(--font-num);
  font-size: 1.35rem;
  line-height: 1;
  padding-top: 4px;
  color: var(--gold);
}

.page-news .topic-details[open] .topic-summary::after {
  content: "−";
  color: var(--magenta);
}

.page-news .topic-summary__no {
  flex: 0 0 auto;
  min-width: 2.1em;
  font-size: clamp(1.4rem, 3vw, 2.3rem);
  line-height: 1;
  color: var(--frost);
  transition: color 0.2s ease;
}

.page-news .topic-row:hover .topic-summary__no,
.page-news .topic-details[open] .topic-summary__no {
  color: var(--gold);
}

.page-news .topic-summary__body {
  display: flex;
  flex: 1 1 auto;
  min-width: 0;
  flex-direction: column;
  gap: 7px;
}

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

.page-news .topic-time {
  font-family: var(--font-num);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  color: var(--steel);
}

.page-news .topic-summary__title {
  font-family: var(--font-head);
  font-size: clamp(1rem, 1.7vw, 1.28rem);
  font-weight: 700;
  line-height: 1.5;
  letter-spacing: 0.02em;
  color: var(--ink-1000);
}

.page-news .topic-summary__excerpt {
  font-size: 0.92rem;
  line-height: 1.75;
  color: var(--steel);
}

.page-news .topic-more {
  padding: 0 0 clamp(18px, 2.4vw, 26px) calc(2.1em + clamp(12px, 1.8vw, 20px) + clamp(12px, 2.2vw, 26px));
}

.page-news .topic-more p {
  margin: 0 0 10px;
  max-width: 64ch;
  font-size: 0.92rem;
  line-height: 1.85;
  color: var(--ink-1000);
}

.page-news .topic-more__link {
  margin: 0;
}

.page-news .topic-more a {
  font-size: 0.87rem;
  letter-spacing: 0.04em;
  color: var(--amber);
  text-decoration: underline;
  text-underline-offset: 4px;
  text-decoration-thickness: 1px;
}

.page-news .topic-more a:hover {
  color: var(--magenta);
}

/* ---------- 常设系列 ---------- */
.page-news .section--series {
  position: relative;
  overflow: hidden;
  background: linear-gradient(180deg, var(--ink-900) 0%, var(--ink-950) 100%);
  color: var(--mist);
}

.page-news .section--series::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(90deg, var(--line) 0 1px, transparent 1px 120px);
  opacity: 0.5;
  pointer-events: none;
}

.page-news .series-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 4vw, 52px);
}

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

.page-news .series-axis {
  display: block;
  width: 100%;
  height: 34px;
  margin-top: 16px;
}

.page-news .series-aside__note {
  margin: 6px 0 0;
  font-size: 0.85rem;
  line-height: 1.75;
  color: var(--steel);
}

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

.page-news .series-item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: clamp(12px, 2vw, 24px);
  padding: clamp(16px, 2.2vw, 24px) 0;
  border-top: 1px solid var(--line);
}

.page-news .series-item:last-child {
  border-bottom: 1px solid var(--line);
}

.page-news .series-item__no {
  font-size: 1.45rem;
  line-height: 1.1;
  color: var(--gold);
}

.page-news .series-item h3 {
  margin: 0;
  font-family: var(--font-head);
  font-size: clamp(1.02rem, 1.6vw, 1.22rem);
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--paper);
}

.page-news .series-item p {
  margin: 7px 0 0;
  font-size: 0.92rem;
  line-height: 1.8;
  color: var(--frost);
}

/* ---------- 阅读顺序 ---------- */
.page-news .section--rec {
  background: var(--paper);
}

.page-news .rec-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 4vw, 52px);
}

.page-news .rec-steps {
  display: flex;
  flex-direction: column;
  gap: clamp(12px, 1.8vw, 18px);
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .rec-step {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: clamp(12px, 2vw, 20px);
  padding: clamp(16px, 2vw, 22px);
  background: #ffffff;
  border: 1px solid var(--line);
  border-left: 2px solid var(--gold);
}

.page-news .rec-step__no {
  font-size: clamp(1.6rem, 3vw, 2.1rem);
  line-height: 1;
  color: var(--gold);
}

.page-news .rec-step h3 {
  margin: 0;
  font-family: var(--font-head);
  font-size: clamp(1rem, 1.6vw, 1.15rem);
  font-weight: 700;
  letter-spacing: 0.03em;
  color: var(--ink-1000);
}

.page-news .rec-step p {
  margin: 8px 0 0;
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--steel);
}

.page-news .rec-step__link {
  display: inline-block;
  margin-top: 10px;
  font-size: 0.85rem;
  letter-spacing: 0.05em;
  color: var(--amber);
  text-decoration: none;
  border-bottom: 1px solid var(--gold-line);
  padding-bottom: 2px;
}

.page-news .rec-step__link:hover {
  color: var(--magenta);
  border-bottom-color: var(--magenta-line);
}

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

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

.page-news .rec-figure figcaption {
  margin-top: 12px;
  padding-left: 14px;
  font-size: 0.82rem;
  line-height: 1.7;
  color: var(--steel);
  border-left: 1px solid var(--gold-line);
}

/* ---------- 更新节奏 ---------- */
.page-news .section--rhythm {
  position: relative;
  padding: 0 0 clamp(44px, 6vw, 82px);
  background: var(--ink-950);
  color: var(--mist);
}

.page-news .rhythm-figure {
  margin: 0 0 clamp(26px, 4vw, 46px);
}

.page-news .rhythm-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  filter: saturate(0.92) brightness(0.85);
}

.page-news .rhythm-facts {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(16px, 2.4vw, 28px);
  margin-top: clamp(22px, 3vw, 34px);
}

.page-news .rhythm-fact {
  padding-top: 14px;
  border-top: 1px solid var(--gold-line);
}

.page-news .rhythm-fact b {
  display: block;
  font-family: var(--font-num);
  font-size: clamp(1.5rem, 3.2vw, 2.3rem);
  font-weight: 700;
  letter-spacing: 0.03em;
  color: var(--gold);
}

.page-news .rhythm-fact span {
  display: block;
  margin-top: 6px;
  font-size: 0.86rem;
  line-height: 1.75;
  color: var(--frost);
}

.page-news .rhythm-cta {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: clamp(16px, 2.6vw, 32px);
  margin-top: clamp(28px, 4vw, 44px);
  padding-top: clamp(20px, 2.8vw, 30px);
  border-top: 1px solid var(--line);
}

.page-news .rhythm-cta p {
  margin: 0;
  max-width: 48ch;
  font-size: 0.92rem;
  line-height: 1.85;
  color: var(--frost);
}

.page-news .rhythm-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 图片基础 ---------- */
.page-news img {
  max-width: 100%;
  height: auto;
}

.page-news .rail-card .media img,
.page-news .series-aside .media img,
.page-news .rec-figure .media img {
  display: block;
  width: 100%;
  object-fit: cover;
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-news .rhythm-facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-news {
    --news-rail: minmax(300px, 372px);
  }

  .page-news .series-grid {
    grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
    align-items: start;
  }

  .page-news .rec-grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    align-items: center;
  }

  .page-news .topic-more {
    padding-left: calc(2.1em + 20px + 26px);
  }
}

@media (min-width: 1080px) {
  .page-news .news-hero h1 {
    max-width: 15ch;
  }
}
<<<END>>>