.page-news {
  --news-green-dim: rgba(100, 255, 218, 0.15);
  --news-orange-dim: rgba(255, 122, 0, 0.15);
  --news-yellow-dim: rgba(251, 191, 36, 0.15);
  --news-blue: #8AB6FF;
  --news-blue-dim: rgba(138, 182, 255, 0.15);
  --news-grid-line: rgba(30, 41, 59, 0.45);
}

.page-news *,
.page-news *::before,
.page-news *::after {
  box-sizing: border-box;
}

.page-news img {
  max-width: 100%;
  height: auto;
}

/* ===== 首屏 Hero ===== */
.page-news__hero {
  position: relative;
  overflow: hidden;
  background:
    linear-gradient(180deg, rgba(10, 25, 47, 0.92), rgba(11, 17, 32, 1)),
    repeating-linear-gradient(0deg, transparent 0, transparent 3px, rgba(30, 41, 59, 0.25) 4px);
  padding-top: 1rem;
  padding-bottom: 2.5rem;
  border-bottom: 1px solid var(--x-line-grid);
}

.page-news__hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 2rem;
  margin-top: 2rem;
}

.page-news__hero-copy .hb-sec-label {
  margin-bottom: 1rem;
}

.page-news__hero-copy h1 {
  font-size: 2.2rem;
  font-weight: 900;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin: 0 0 1.25rem;
}

.page-news__hero-copy h1 em {
  display: block;
  font-style: normal;
  color: var(--x-neon-green);
  font-size: 1.4rem;
  margin-top: 0.25rem;
}

.page-news__hero-desc {
  font-size: 0.95rem;
  line-height: 1.7;
  color: rgba(226, 232, 240, 0.75);
  max-width: 560px;
  margin: 0 0 1.5rem;
}

.page-news__hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.page-news__hero-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.75rem;
  border-top: 1px solid var(--x-line-grid);
  border-bottom: 1px solid var(--x-line-grid);
  padding: 1.5rem 0;
}

.page-news__hero-stats .hb-stat {
  text-align: center;
}

.page-news__hero-stats .hb-stat__value {
  display: block;
  font-family: var(--x-font-mono);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--x-neon-green);
  line-height: 1.2;
}

.page-news__hero-stats .hb-stat__label {
  display: block;
  font-size: 0.75rem;
  color: rgba(226, 232, 240, 0.6);
  margin-top: 0.25rem;
}

/* ===== 最新动态 ===== */
.page-news__latest {
  background-image:
    linear-gradient(var(--news-grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--news-grid-line) 1px, transparent 1px);
  background-size: 28px 28px;
  background-position: -1px -1px;
}

.page-news__latest-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 2rem;
}

.page-news__list {
  display: flex;
  flex-direction: column;
}

.page-news__ticket {
  background: rgba(30, 41, 59, 0.92);
  border: 1px solid var(--x-line-grid);
  border-radius: 10px;
  overflow: hidden;
  margin-bottom: 1.25rem;
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
  position: relative;
}

.page-news__ticket:hover {
  transform: translateY(-3px);
  border-color: rgba(100, 255, 218, 0.35);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.45);
}

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

.page-news__ticket-body {
  padding: 1.25rem 1.25rem 1.5rem;
}

.page-news__ticket-meta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-bottom: 0.85rem;
}

.page-news__tag {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  line-height: 1.4;
}

.page-news__tag--green {
  background: var(--news-green-dim);
  color: var(--x-neon-green);
}

.page-news__tag--orange {
  background: var(--news-orange-dim);
  color: var(--x-orange);
}

.page-news__tag--yellow {
  background: var(--news-yellow-dim);
  color: var(--x-warning-yellow);
}

.page-news__tag--blue {
  background: var(--news-blue-dim);
  color: var(--news-blue);
}

.page-news__ticket-date {
  font-family: var(--x-font-mono);
  font-size: 0.72rem;
  color: rgba(226, 232, 240, 0.55);
}

.page-news__ticket h3 {
  font-size: 1.1rem;
  font-weight: 800;
  line-height: 1.4;
  margin: 0 0 0.5rem;
}

.page-news__ticket h3 a {
  color: var(--x-text-light);
  text-decoration: none;
  transition: color 0.2s ease;
}

.page-news__ticket h3 a:hover {
  color: var(--x-neon-green);
}

.page-news__ticket p {
  font-size: 0.86rem;
  line-height: 1.65;
  color: rgba(226, 232, 240, 0.75);
  margin: 0;
}

.page-news__ticket--row {
  border-left: 3px solid transparent;
}

.page-news__ticket--row:hover {
  border-left-color: var(--x-orange);
}

.page-news__ticket--row .page-news__ticket-body {
  padding: 1rem 1.25rem;
}

/* ===== 侧边栏 ===== */
.page-news__aside {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.page-news__aside-card {
  background: var(--x-card);
  border: 1px solid var(--x-line-grid);
  border-radius: 10px;
  padding: 1.25rem;
}

.page-news__aside-card h3 {
  font-size: 0.95rem;
  font-weight: 700;
  margin: 0 0 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--x-line-grid);
  position: relative;
}

.page-news__aside-card h3::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 32px;
  height: 3px;
  background: var(--x-orange);
  border-radius: 2px;
}

.page-news__aside-card img {
  width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: 8px;
  display: block;
  margin-bottom: 1rem;
}

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

.page-news__hot-list li {
  padding: 0.55rem 0 0.55rem 1.4rem;
  border-bottom: 1px dashed rgba(30, 41, 59, 0.8);
  font-size: 0.85rem;
  color: rgba(226, 232, 240, 0.85);
  position: relative;
  transition: padding-left 0.2s ease;
}

.page-news__hot-list li:last-child {
  border-bottom: none;
}

.page-news__hot-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--x-neon-green);
  box-shadow: 0 0 6px rgba(100, 255, 218, 0.5);
}

.page-news__hot-list li:hover {
  padding-left: 1.7rem;
}

.page-news__service-note {
  font-size: 0.85rem;
  line-height: 1.6;
  color: rgba(226, 232, 240, 0.7);
  margin: 0 0 1rem;
}

.page-news__aside-card .hb-btn {
  margin-top: 0.6rem;
}

/* ===== 版本迭代 ===== */
.page-news__versions {
  background: linear-gradient(180deg, rgba(10, 25, 47, 0.4), var(--x-deep-blue));
  border-top: 1px solid var(--x-line-grid);
}

.page-news__timeline-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 2rem;
}

.page-news__timeline-figure {
  position: relative;
}

.page-news__timeline-figure::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(100, 255, 218, 0.08), transparent 60%);
  pointer-events: none;
  border-radius: 10px;
  z-index: 1;
}

.page-news__timeline-figure img {
  width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: 10px;
  display: block;
}

.page-news__timeline {
  list-style: none;
  margin: 0;
  padding: 0;
  position: relative;
}

.page-news__timeline::before {
  content: "";
  position: absolute;
  left: 10px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--x-neon-green) 0%, rgba(100, 255, 218, 0.15) 100%);
}

.page-news__milestone {
  position: relative;
  padding: 0 0 1.75rem 2.75rem;
}

.page-news__milestone:last-child {
  padding-bottom: 0;
}

.page-news__milestone-node {
  position: absolute;
  left: 0;
  top: 0.5rem;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--x-deep-blue);
  border: 3px solid var(--x-neon-green);
  box-shadow: 0 0 0 4px rgba(100, 255, 218, 0.18);
}

.page-news__milestone-card {
  background: var(--x-card);
  border: 1px solid var(--x-line-grid);
  border-radius: 8px;
  padding: 1.1rem 1.25rem;
  transition: transform 0.3s ease, border-color 0.3s ease;
  clip-path: polygon(0 0, calc(100% - 10px) 0, 100% 10px, 100% 100%, 0 100%);
}

.page-news__milestone-card:hover {
  border-color: rgba(100, 255, 218, 0.45);
  transform: translateX(5px);
}

.page-news__milestone-card .hb-coord {
  display: inline-block;
  margin-bottom: 0.4rem;
}

.page-news__milestone-card h3 {
  font-size: 0.98rem;
  font-weight: 700;
  margin: 0 0 0.35rem;
}

.page-news__milestone-card p {
  font-size: 0.83rem;
  line-height: 1.6;
  color: rgba(226, 232, 240, 0.75);
  margin: 0;
}

/* ===== 专题策划 ===== */
.page-news__features {
  background: linear-gradient(180deg, var(--x-deep-blue), var(--x-bg-dark));
  border-top: 1px solid var(--x-line-grid);
}

.page-news__feature-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1.5rem;
}

.page-news__feature-card {
  background: var(--x-card);
  border: 1px solid var(--x-line-grid);
  border-radius: 10px;
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.page-news__feature-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.4);
}

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

.page-news__feature-body {
  padding: 1.5rem;
}

.page-news__feature-body h3 {
  font-size: 1.2rem;
  font-weight: 800;
  margin: 0.5rem 0;
  line-height: 1.3;
}

.page-news__feature-body p {
  font-size: 0.87rem;
  line-height: 1.65;
  color: rgba(226, 232, 240, 0.78);
  margin: 0 0 1rem;
}

.page-news__feature-body .hb-sec-label {
  margin-bottom: 0.25rem;
}

/* ===== 响应式 768px ===== */
@media (min-width: 768px) {
  .page-news__hero {
    padding-top: 2rem;
    padding-bottom: 3.5rem;
  }

  .page-news__hero-copy h1 {
    font-size: 2.6rem;
  }

  .page-news__hero-copy h1 em {
    font-size: 1.55rem;
  }

  .page-news__timeline-grid {
    gap: 2.5rem;
  }

  .page-news__feature-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-news__feature-card--data {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: minmax(0, 1fr);
  }

  .page-news__milestone-card {
    padding: 1.25rem 1.5rem;
  }
}

/* ===== 响应式 1024px ===== */
@media (min-width: 1024px) {
  .page-news__hero-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    align-items: stretch;
    gap: 3rem;
    margin-top: 2.5rem;
  }

  .page-news__hero-copy h1 {
    font-size: 3rem;
  }

  .page-news__hero-copy h1 em {
    font-size: 1.7rem;
  }

  .page-news__hero-stats {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
    border-left: 1px solid var(--x-line-grid);
    border-top: none;
    border-bottom: none;
    padding-left: 2.5rem;
  }

  .page-news__hero-stats .hb-stat {
    text-align: left;
    padding: 0.75rem 0;
  }

  .page-news__latest-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 3fr);
    align-items: start;
  }

  .page-news__aside {
    position: sticky;
    top: 90px;
  }

  .page-news__timeline-grid {
    grid-template-columns: minmax(0, 4fr) minmax(0, 7fr);
    align-items: start;
    gap: 3rem;
  }

  .page-news__timeline-figure {
    position: sticky;
    top: 120px;
  }

  .page-news__feature-card--data {
    grid-template-columns: minmax(0, 5fr) minmax(0, 4fr);
  }

  .page-news__feature-card--data .page-news__feature-body {
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 2rem 2.5rem;
  }
}