/* ===== 页面专属样式：page-news ===== */
.page-news {
  --news-diagonal: linear-gradient(135deg, rgba(212,175,55,.16) 0%, rgba(13,27,42,.04) 48%, rgba(192,57,43,.10) 100%);
  --news-grid-gap: clamp(20px, 4vw, 40px);
  color: var(--color-text);
  font-family: var(--font-body);
  background: var(--color-bg);
  min-height: 60vh;
  overflow-x: hidden;
}

/* ---------- Hero ---------- */
.page-news .page-news__hero {
  position: relative;
  padding-top: var(--space-4);
  padding-bottom: var(--space-5);
  overflow: hidden;
  background:
    radial-gradient(circle at 86% 16%, rgba(212,175,55,.20), transparent 30%),
    linear-gradient(180deg, var(--color-bg-alt), var(--color-bg));
}

.page-news .page-news__hero::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: min(52vw, 540px);
  height: 6px;
  border-radius: var(--radius-pill);
  background: linear-gradient(90deg, var(--color-accent-red), var(--color-accent), var(--color-primary));
}

.page-news .page-news__hero-inner {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  margin-top: var(--space-3);
}

.page-news .page-news__hero-copy h1 {
  position: relative;
  width: fit-content;
  max-width: 100%;
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: clamp(2.6rem, 7vw, 4.2rem);
  line-height: 1.06;
  letter-spacing: -0.02em;
  color: var(--color-primary);
  margin: var(--space-2) 0 var(--space-3);
}

.page-news .page-news__hero-copy h1::after {
  display: none;
}

.page-news .page-news__lead {
  font-size: 1.06rem;
  line-height: 1.85;
  color: var(--color-text);
  max-width: 56ch;
  margin: 0 0 var(--space-3);
  padding-left: var(--space-3);
  border-left: 3px solid var(--color-accent);
}

.page-news .page-news__hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-3);
}

.page-news .page-news__hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1);
}

.page-news .page-news__hero-figure,
.page-news .page-news__data-figure,
.page-news .page-news__product-figure {
  margin: 0;
}

.page-news .page-news__hero-figure img,
.page-news .page-news__focus-figure img,
.page-news .page-news__data-figure img,
.page-news .page-news__product-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  border-radius: var(--radius-lg);
}

.page-news .page-news__hero-figure {
  position: relative;
}

.page-news .page-news__hero-figure::after {
  content: "";
  position: absolute;
  right: -14px;
  bottom: -14px;
  width: 96px;
  height: 96px;
  border-radius: var(--radius-md);
  background: repeating-linear-gradient(135deg, rgba(13,27,42,.14) 0 8px, rgba(212,175,55,.22) 8px 16px);
  z-index: -1;
}

/* ---------- 章节通用 ---------- */
.page-news .page-news__chapter-intro {
  color: var(--color-text-muted);
  line-height: 1.75;
  max-width: 64ch;
  margin-top: var(--space-2);
}

/* ---------- 观察坐标 / Topic Cards ---------- */
.page-news .page-news__topics {
  position: relative;
  background: var(--color-bg);
}

.page-news .page-news__topics .grid {
  margin-top: var(--space-4);
}

.page-news .page-news__topic-card {
  height: 100%;
  padding: var(--space-3);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  transition: transform .3s var(--ease), box-shadow .3s var(--ease);
}

.page-news .page-news__topic-card h3 {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.3rem;
  line-height: 1.3;
  color: var(--color-primary);
  margin: var(--space-2) 0 var(--space-2);
}

.page-news .page-news__topic-card p {
  margin: 0;
  color: var(--color-text-muted);
  line-height: 1.7;
}

/* ---------- 观察栏目 / Digest ---------- */
.page-news .page-news__digest {
  position: relative;
  background: var(--color-bg);
}

.page-news .page-news__digest-list {
  margin-top: var(--space-4);
  border-top: 1px solid var(--color-border);
}

.page-news .page-news__digest-item {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2);
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--color-border);
  transition: background-color .3s var(--ease), padding-left .3s var(--ease);
}

.page-news .page-news__digest-item:hover {
  background: var(--color-bg-alt);
  padding-left: var(--space-2);
}

.page-news .page-news__digest-item h3 {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.15rem;
  line-height: 1.4;
  color: var(--color-primary);
  margin: 0;
}

.page-news .page-news__digest-item p {
  margin: 0;
  max-width: 70ch;
  color: var(--color-text-muted);
  line-height: 1.7;
}

.page-news .page-news__digest-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
}

.page-news .page-news__digest-time {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--color-accent-red);
}

.page-news .page-news__digest-link {
  justify-self: start;
  font-weight: 700;
  color: var(--color-primary);
  text-decoration: none;
  border-bottom: 2px solid var(--color-accent);
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

.page-news .page-news__digest-link:hover {
  color: var(--color-accent-red);
  border-color: var(--color-accent-red);
}

/* ---------- 本期聚焦 ---------- */
.page-news .page-news__focus {
  background: var(--color-bg-alt);
}

.page-news .page-news__focus-card {
  display: grid;
  grid-template-columns: 1fr;
  border-radius: var(--radius-lg);
  background: var(--color-bg);
  box-shadow: var(--shadow-md);
  overflow: hidden;
}

.page-news .page-news__focus-figure {
  margin: 0;
  overflow: hidden;
}

.page-news .page-news__focus-body {
  padding: var(--space-3) var(--space-3) var(--space-4);
}

.page-news .page-news__focus-body h2 {
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: clamp(1.5rem, 4vw, 2.4rem);
  line-height: 1.2;
  color: var(--color-primary);
  margin: var(--space-2) 0 var(--space-3);
}

.page-news .page-news__focus-list {
  margin: var(--space-3) 0;
  padding: 0;
  list-style: none;
}

.page-news .page-news__focus-list li {
  position: relative;
  padding-left: var(--space-3);
  margin-bottom: var(--space-2);
  line-height: 1.65;
}

.page-news .page-news__focus-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 14px;
  height: 6px;
  border-radius: var(--radius-pill);
  background: var(--color-accent);
}

/* ---------- 数据视角 ---------- */
.page-news .page-news__data-panel {
  background: var(--color-primary);
  color: var(--color-bg);
}

.page-news .page-news__data-panel .eyebrow,
.page-news .page-news__data-panel h2,
.page-news .page-news__data-panel p {
  color: var(--color-bg);
}

.page-news .page-news__data-panel .chapter__num {
  color: var(--color-accent);
  opacity: .16;
}

.page-news .page-news__data-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
  margin-top: var(--space-4);
  align-items: center;
}

.page-news .page-news__data-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-3);
}

.page-news .page-news__metric {
  border: 1px solid rgba(212,175,55,.28);
  border-radius: var(--radius-md);
  background: linear-gradient(160deg, rgba(27,58,92,.72), rgba(13,27,42,.92));
  padding: var(--space-3) var(--space-2);
}

.page-news .page-news__metric-num {
  display: block;
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: clamp(2rem, 5.4vw, 3.6rem);
  line-height: 1.05;
  color: var(--color-accent);
}

.page-news .page-news__metric-num small {
  font-size: 0.38em;
  color: var(--color-accent-light);
}

.page-news .page-news__metric-label {
  display: block;
  margin-top: var(--space-1);
  font-size: 0.9rem;
  line-height: 1.45;
  color: var(--color-bg);
  opacity: .92;
}

.page-news .page-news__data-figure img {
  box-shadow: 0 18px 50px rgba(0,0,0,.24);
}

.page-news .page-news__data-note {
  margin-top: var(--space-4);
  padding-top: var(--space-3);
  border-top: 1px solid rgba(247,243,232,.18);
  font-size: 0.9rem;
  line-height: 1.7;
  color: rgba(247,243,232,.74);
}

.page-news .page-news__data-note a {
  color: var(--color-accent-light);
  text-decoration: none;
  border-bottom: 1px solid rgba(212,175,55,.6);
}

.page-news .page-news__data-note a:hover {
  color: var(--color-bg);
}

/* ---------- 从观察到产品 ---------- */
.page-news .page-news__product {
  background: var(--color-bg);
}

.page-news .page-news__product-grid {
  margin-top: var(--space-4);
}

.page-news .page-news__product-card {
  height: 100%;
  padding: var(--space-3);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  transition: transform .3s var(--ease), box-shadow .3s var(--ease);
}

.page-news .page-news__product-card h3 {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.3rem;
  line-height: 1.3;
  color: var(--color-primary);
  margin: var(--space-2) 0 var(--space-2);
}

.page-news .page-news__product-card p {
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: var(--space-3);
}

.page-news .page-news__product-figure {
  margin-top: var(--space-4);
  position: relative;
}

.page-news .page-news__product-figure::after {
  content: "";
  display: block;
  margin-top: 10px;
  width: 72px;
  height: 5px;
  border-radius: var(--radius-pill);
  background: linear-gradient(90deg, var(--color-accent-red), var(--color-accent));
}

/* ---------- 结尾 CTA ---------- */
.page-news .page-news__closing {
  background: var(--news-diagonal), var(--color-bg-alt);
}

.page-news .page-news__closing-card {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-3);
  border-radius: var(--radius-lg);
  background: var(--color-bg);
  border-left: 6px solid var(--color-accent);
  box-shadow: var(--shadow-md);
  overflow: hidden;
}

.page-news .page-news__closing-card::after {
  content: "";
  position: absolute;
  right: -50px;
  top: -50px;
  width: 160px;
  height: 160px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(212,175,55,.30), transparent 68%);
  pointer-events: none;
}

.page-news .page-news__closing-card h2 {
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: clamp(1.6rem, 4vw, 2.5rem);
  line-height: 1.2;
  color: var(--color-primary);
  margin: var(--space-1) 0 var(--space-2);
}

.page-news .page-news__closing-card p {
  margin: 0;
  max-width: 60ch;
  color: var(--color-text-muted);
  line-height: 1.75;
}

/* ---------- 桌面端增强 ---------- */
@media (min-width: 768px) {
  .page-news .page-news__digest-item {
    grid-template-columns: 220px minmax(0, 1fr);
    column-gap: var(--space-4);
  }

  .page-news .page-news__digest-meta {
    grid-row: 1 / span 3;
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-2);
  }

  .page-news .page-news__closing-card {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-4) var(--space-5);
  }
}

@media (min-width: 860px) {
  .page-news .page-news__hero-inner {
    display: grid;
    grid-template-columns: minmax(0, 44%) minmax(0, 56%);
    align-items: center;
    gap: clamp(32px, 6vw, 72px);
  }

  .page-news .page-news__hero-copy {
    padding-block: var(--space-4);
  }

  .page-news .page-news__hero-copy h1::after {
    display: block;
    content: "每半小时校准";
    position: absolute;
    top: 0;
    left: calc(100% - 4px);
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.2em;
    color: var(--color-accent-red);
    writing-mode: vertical-rl;
  }

  .page-news .page-news__focus-card {
    grid-template-columns: 42% 58%;
    align-items: stretch;
  }

  .page-news .page-news__focus-figure {
    position: relative;
    min-height: 360px;
  }

  .page-news .page-news__focus-figure img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
  }

  .page-news .page-news__focus-body {
    padding: var(--space-4) var(--space-4) var(--space-5);
  }

  .page-news .page-news__data-layout {
    grid-template-columns: minmax(0, 58%) minmax(0, 42%);
  }
}