.page-news {
  --news-preview: #4FC3F7;
  --news-radius: 16px;
  --news-timeline-space: 36px;
  background: var(--clr-primary-900);
  color: var(--clr-text);
  overflow-x: hidden;
}

/* ===== Hero ===== */
.page-news__hero {
  position: relative;
  padding: 32px 0 60px;
  background:
    radial-gradient(ellipse at 88% 8%, rgba(0, 230, 118, 0.14), transparent 46%),
    radial-gradient(ellipse at 4% 84%, rgba(0, 191, 165, 0.08), transparent 42%),
    linear-gradient(135deg, var(--clr-primary-900) 0%, var(--clr-primary-800) 100%);
  border-bottom: 1px solid var(--clr-line);
  overflow: hidden;
}

.page-news__hero::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 6px;
  background: var(--gradient-highlight);
  opacity: 0.9;
}

.page-news__hero-inner {
  display: grid;
  gap: 32px;
  align-items: center;
  position: relative;
  z-index: 1;
}

.page-news__hero-copy {
  position: relative;
  z-index: 2;
}

.page-news__kicker {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.32em;
  color: var(--clr-accent);
  text-transform: uppercase;
  margin: 20px 0 12px;
}

.page-news__hero h1 {
  font-family: var(--font-heading);
  font-size: var(--fs-h1);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -0.02em;
  margin: 0 0 20px;
  color: var(--clr-text);
}

.page-news__lead {
  font-size: 16px;
  line-height: 1.75;
  color: var(--clr-text-muted);
  max-width: 56ch;
  margin: 0;
}

.page-news__hero-meta {
  display: flex;
  align-items: center;
  gap: 18px;
  margin-top: 30px;
  padding-top: 22px;
  border-top: 1px solid var(--clr-line);
}

.page-news__hero-num {
  font-family: var(--font-mono);
  font-size: 64px;
  font-weight: 700;
  line-height: 1;
  background: var(--gradient-highlight);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.page-news__hero-note {
  font-size: 14px;
  line-height: 1.55;
  color: var(--clr-text-muted);
}

.page-news__hero-media {
  position: relative;
  z-index: 1;
}

.page-news__hero-img {
  display: block;
  width: 100%;
  height: clamp(200px, 24vw, 330px);
  max-width: 100%;
  object-fit: cover;
  object-position: center 30%;
  border-radius: var(--news-radius);
  border: 1px solid var(--clr-line);
  box-shadow: 0 24px 48px rgba(0, 0, 0, 0.28);
}

/* ===== Spotlight 最新动态 ===== */
.page-news__spotlight {
  position: relative;
  z-index: 3;
  padding: 40px 0 0;
}

.page-news__spotlight-card {
  position: relative;
  background: var(--clr-primary-700);
  border: 1px solid var(--clr-line);
  border-left: 4px solid var(--clr-accent);
  border-radius: 0 var(--news-radius) var(--news-radius) 0;
  padding: 30px 24px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.page-news__spotlight-tagrow {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 14px;
}

.page-news__relative {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--clr-text-muted);
}

.page-news__spotlight-card h2 {
  font-size: var(--fs-h3);
  font-weight: 800;
  line-height: 1.4;
  margin: 0 0 14px;
  color: var(--clr-text);
}

.page-news__spotlight-card p {
  font-size: 15px;
  line-height: 1.8;
  color: var(--clr-text-muted);
  margin: 0 0 18px;
  max-width: 70ch;
}

.page-news__spotlight-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--clr-accent);
  font-weight: 700;
  font-size: 15px;
  text-decoration: none;
  transition: color var(--t-fast) var(--ease-out);
}

.page-news__spotlight-link:hover {
  color: var(--clr-text);
}

/* ===== 快捷入口 ===== */
.page-news__quicknav {
  padding: 28px 0 0;
}

.page-news__quicknav .container {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-news__quicknav a {
  font-size: 13px;
  font-weight: 600;
  color: var(--clr-text-muted);
  text-decoration: none;
  padding: 8px 14px;
  border: 1px solid var(--clr-line);
  border-radius: 999px;
  transition: color var(--t-fast) var(--ease-out), border-color var(--t-fast) var(--ease-out), background-color var(--t-fast) var(--ease-out);
}

.page-news__quicknav a:hover {
  color: var(--clr-accent);
  border-color: var(--clr-accent);
  background-color: rgba(0, 230, 118, 0.06);
}

/* ===== 通用区块标题 ===== */
.page-news__section-head {
  padding: 56px 0 28px;
}

.page-news__section-head .section-label {
  margin-bottom: 8px;
}

.page-news__section-head h2 {
  font-size: var(--fs-h2);
  font-weight: 900;
  line-height: 1.2;
  margin: 0 0 12px;
  color: var(--clr-text);
}

.page-news__section-desc {
  color: var(--clr-text-muted);
  font-size: 15px;
  line-height: 1.65;
  max-width: 54ch;
  margin: 0;
}

/* ===== 更新分类网格 ===== */
.page-news__cat-grid {
  display: grid;
  gap: 16px;
  grid-template-columns: 1fr;
}

.page-news__cat {
  display: block;
  position: relative;
  text-decoration: none;
  background: var(--clr-primary-700);
  border: 1px solid var(--clr-line);
  border-radius: var(--news-radius);
  padding: 26px 24px;
  overflow: hidden;
  transition: transform var(--t-base) var(--ease-out), border-color var(--t-base) var(--ease-out), box-shadow var(--t-base) var(--ease-out);
}

.page-news__cat::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 64px;
  height: 64px;
  clip-path: polygon(100% 0, 0 0, 100% 100%);
  opacity: 0.1;
}

.page-news__cat--data::before { background: var(--clr-accent); }
.page-news__cat--feature::before { background: var(--clr-data); }
.page-news__cat--change::before { background: var(--clr-accent-orange); }
.page-news__cat--preview::before { background: var(--news-preview); }

.page-news__cat:hover,
.page-news__cat:focus-visible {
  transform: translateY(-4px);
  border-color: rgba(255, 255, 255, 0.2);
  box-shadow: 0 18px 32px rgba(0, 0, 0, 0.25);
}

.page-news__cat-num {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--clr-text-muted);
  display: block;
  margin-bottom: 18px;
}

.page-news__cat h3 {
  font-size: 20px;
  font-weight: 800;
  margin: 0 0 10px;
  color: var(--clr-text);
}

.page-news__cat p {
  font-size: 14px;
  line-height: 1.65;
  color: var(--clr-text-muted);
  margin: 0;
}

/* ===== 时间轴 ===== */
.page-news__logsection {
  padding-bottom: 80px;
}

.page-news__timeline {
  position: relative;
  max-width: 920px;
  margin: 0;
  padding-left: var(--news-timeline-space);
}

.page-news__timeline::before {
  content: "";
  position: absolute;
  left: 12px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  border-radius: 2px;
  background: linear-gradient(
    to bottom,
    var(--clr-accent) 0%,
    var(--clr-data) 28%,
    var(--clr-line) 52%,
    var(--clr-line) 74%,
    var(--clr-accent-orange) 100%
  );
}

.page-news__group {
  position: relative;
  margin-bottom: 44px;
  scroll-margin-top: 24px;
}

.page-news__group:target {
  background: rgba(0, 230, 118, 0.03);
  border-radius: var(--news-radius);
}

.page-news__group-head {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 6px;
  padding-top: 10px;
}

.page-news__group-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  display: inline-block;
  flex: 0 0 auto;
}

.page-news__group-dot--data {
  background: var(--clr-accent);
  box-shadow: 0 0 12px var(--clr-accent);
}

.page-news__group-dot--feature {
  background: var(--clr-data);
  box-shadow: 0 0 12px var(--clr-data);
}

.page-news__group-dot--change {
  background: var(--clr-accent-orange);
  box-shadow: 0 0 12px var(--clr-accent-orange);
}

.page-news__group-dot--preview {
  background: var(--news-preview);
  box-shadow: 0 0 12px var(--news-preview);
}

.page-news__group-head h3 {
  font-size: 18px;
  font-weight: 800;
  margin: 0;
  color: var(--clr-text);
}

/* ===== 日志条目 ===== */
.page-news__item {
  position: relative;
  margin-bottom: 24px;
}

.page-news__node {
  position: absolute;
  left: calc(-1 * var(--news-timeline-space) + 6px);
  top: 36px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  border: 3px solid var(--clr-primary-900);
  box-sizing: border-box;
}

.page-news__node--data {
  background: var(--clr-accent);
  box-shadow: 0 0 0 2px var(--clr-accent);
}

.page-news__node--feature {
  background: var(--clr-data);
  box-shadow: 0 0 0 2px var(--clr-data);
}

.page-news__node--change {
  background: var(--clr-accent-orange);
  box-shadow: 0 0 0 2px var(--clr-accent-orange);
}

.page-news__node--preview {
  background: var(--news-preview);
  box-shadow: 0 0 0 2px var(--news-preview);
}

/* ===== 日志卡片 ===== */
.page-news__card {
  background: var(--clr-primary-700);
  border: 1px solid var(--clr-line);
  border-left-width: 4px;
  border-radius: 12px var(--news-radius) var(--news-radius) 12px;
  padding: 24px;
  display: flex;
  flex-direction: column;
  transition: transform var(--t-base) var(--ease-out), box-shadow var(--t-base) var(--ease-out);
}

.page-news__card:hover {
  transform: translateY(-3px);
  box-shadow: 0 16px 32px rgba(0, 0, 0, 0.22);
}

.page-news__card--data { border-left-color: var(--clr-accent); }
.page-news__card--feature { border-left-color: var(--clr-data); }
.page-news__card--change { border-left-color: var(--clr-accent-orange); }
.page-news__card--preview { border-left-color: var(--news-preview); }

.page-news__card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 14px;
}

.page-news__when {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--clr-text-muted);
}

.page-news__card h4 {
  font-size: 19px;
  font-weight: 800;
  line-height: 1.4;
  margin: 0 0 12px;
  color: var(--clr-text);
}

.page-news__card > p {
  font-size: 15px;
  line-height: 1.75;
  color: var(--clr-text-muted);
  margin: 0;
}

/* ===== 分类标签修饰 ===== */
.page-news .page-news__tag--data {
  color: var(--clr-accent);
  background: rgba(0, 230, 118, 0.1);
  border-color: rgba(0, 230, 118, 0.36);
}

.page-news .page-news__tag--feature {
  color: var(--clr-data);
  background: rgba(0, 191, 165, 0.1);
  border-color: rgba(0, 191, 165, 0.36);
}

.page-news .page-news__tag--change {
  color: var(--clr-accent-orange);
  background: rgba(255, 109, 0, 0.1);
  border-color: rgba(255, 109, 0, 0.36);
}

.page-news .page-news__tag--preview {
  color: var(--news-preview);
  background: rgba(79, 195, 247, 0.1);
  border-color: rgba(79, 195, 247, 0.36);
}

/* ===== 图片 ===== */
.page-news__figure {
  margin: 20px 0 0;
  border-radius: 10px;
  overflow: hidden;
  border: 1px solid var(--clr-line);
  background: var(--clr-primary-800);
}

.page-news__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  max-height: 420px;
  object-fit: cover;
}

/* ===== 折叠摘要 ===== */
.page-news__details {
  border-top: 1px solid var(--clr-line);
  margin-top: auto;
  padding-top: 18px;
  margin-top: 20px;
}

.page-news__details summary {
  cursor: pointer;
  list-style: none;
  padding: 0;
  font-size: 14px;
  font-weight: 700;
  color: var(--clr-data);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  user-select: none;
  transition: color var(--t-fast) var(--ease-out);
}

.page-news__details summary:hover {
  color: var(--clr-text);
}

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

.page-news__details summary::after {
  content: "＋";
  font-family: var(--font-mono);
  font-size: 16px;
  line-height: 1;
  color: var(--clr-text-muted);
  transition: transform var(--t-base) var(--ease-out), color var(--t-base) var(--ease-out);
}

.page-news__details[open] summary::after {
  transform: rotate(45deg);
  color: var(--clr-accent);
}

.page-news__details-body {
  padding-top: 16px;
  color: var(--clr-text-muted);
  font-size: 14px;
  line-height: 1.7;
}

.page-news__details-body p {
  margin: 0;
}

/* ===== 品牌承诺 ===== */
.page-news__promise {
  background:
    linear-gradient(135deg, rgba(0, 230, 118, 0.05), rgba(0, 0, 0, 0) 40%),
    var(--clr-primary-800);
  border-top: 1px solid var(--clr-line);
  padding: 56px 0;
}

.page-news__promise-grid {
  display: grid;
  gap: 32px;
  align-items: center;
}

.page-news__promise-copy h2 {
  font-size: var(--fs-h2);
  font-weight: 900;
  line-height: 1.2;
  margin: 0 0 14px;
  color: var(--clr-text);
}

.page-news__promise-copy p {
  font-size: 15px;
  line-height: 1.75;
  color: var(--clr-text-muted);
  margin: 0 0 24px;
  max-width: 64ch;
}

.page-news__promise-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-news__promise-aside {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 8px;
  border-left: 1px solid var(--clr-line);
  padding-left: 24px;
}

.page-news__promise-num {
  font-family: var(--font-mono);
  font-size: 72px;
  font-weight: 700;
  line-height: 1;
  background: var(--gradient-warm);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.page-news__promise-aside span:last-child {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.18em;
  color: var(--clr-text-muted);
  text-transform: uppercase;
}

/* ===== 响应式 ===== */
@media (min-width: 640px) {
  .page-news__spotlight-card {
    padding: 36px 32px;
  }

  .page-news__cat-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-news__card {
    padding: 28px;
  }
}

@media (min-width: 900px) {
  .page-news__hero {
    padding: 56px 0 88px;
  }

  .page-news__hero-inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 56px;
  }

  .page-news__hero-num {
    font-size: 80px;
  }

  .page-news__spotlight-card h2 {
    font-size: 26px;
  }

  .page-news__promise-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 3fr);
    gap: 56px;
  }
}

@media (min-width: 1024px) {
  .page-news__cat-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .page-news__timeline {
    margin-left: 8px;
  }
}

@media (max-width: 480px) {
  .page-news__hero {
    padding-top: 24px;
  }

  .page-news__hero-meta {
    align-items: flex-start;
    flex-direction: column;
    gap: 12px;
  }

  .page-news__hero-num {
    font-size: 52px;
  }

  .page-news__spotlight-card {
    padding: 24px 18px;
  }

  .page-news__card {
    padding: 20px 16px;
  }
}