.page-news {
  --news-tl-node: #00FF66;
  --news-tl-line: rgba(0, 255, 102, 0.25);
  --news-card-bg: rgba(19, 42, 58, 0.92);
  --news-card-pad: 1.1rem 1.2rem;
  --news-gap: 1rem;
  background:
    linear-gradient(115deg, rgba(0, 179, 255, 0.05) 0%, transparent 40%),
    linear-gradient(320deg, rgba(0, 255, 102, 0.04) 0%, transparent 45%);
}

/* ===== Hero ===== */
.page-news__hero {
  display: grid;
  gap: 2rem;
  padding: 1.5rem 0 2.5rem;
}

.page-news__hero-chip {
  display: inline-block;
}

.page-news__hero h1 {
  font-family: var(--font-head);
  font-size: clamp(2.4rem, 7vw, 4.2rem);
  line-height: 0.95;
  letter-spacing: 0.02em;
  margin: 0.9rem 0 1.1rem;
  text-transform: uppercase;
}

.page-news__hero .lead {
  max-width: 62ch;
  color: var(--c-text-dim);
  font-size: 1.05rem;
}

.page-news__hero-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1.5rem;
  margin-top: 1.4rem;
}

.page-news__hero-links .btn-panel {
  padding: 0.6rem 1.3rem;
}

.page-news__hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.6rem;
  margin: 0;
}

.page-news__stat {
  padding: 1rem 0.5rem;
  background: var(--c-bg-2);
  text-align: center;
  border: 1px solid var(--c-border);
}

.page-news__stat-value {
  font-family: var(--font-data);
  font-size: clamp(1.3rem, 3vw, 1.9rem);
  font-weight: 700;
  color: var(--c-accent);
  line-height: 1.2;
  margin: 0;
}

.page-news__stat-label {
  font-size: 0.75rem;
  color: var(--c-text-dim);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-top: 0.25rem;
}

/* ===== 通用 section ===== */
.page-news__section {
  padding: 2.5rem 0;
  border-top: 1px dashed var(--c-border);
}

.page-news__section--video {
  background:
    linear-gradient(180deg, rgba(19, 42, 58, 0.5) 0%, transparent 100%);
}

.page-news__section--changelog {
  border-bottom: 1px dashed var(--c-border);
}

.page-news__section-desc {
  color: var(--c-text-dim);
  max-width: 72ch;
  margin: 1rem 0 1.8rem;
  padding-left: 0.75rem;
  border-left: 3px solid var(--c-accent);
}

.page-news__section-desc b {
  color: var(--c-text);
  font-family: var(--font-data);
  font-weight: 700;
}

/* ===== 战报时间轴 ===== */
.page-news__timeline {
  position: relative;
  padding-left: 2.2rem;
}

.page-news__timeline::before {
  content: "";
  position: absolute;
  left: 6px;
  top: 8px;
  bottom: 60px;
  width: 2px;
  background: linear-gradient(
    to bottom,
    var(--news-tl-node) 0%,
    var(--news-tl-line) 30%,
    var(--c-border) 100%
  );
}

.page-news__tl-item {
  position: relative;
  margin-bottom: 1.6rem;
  background: var(--news-card-bg);
  border: 1px solid var(--c-border);
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-news__tl-item:hover {
  border-color: rgba(0, 255, 102, 0.55);
  transform: translateX(4px);
}

.page-news__tl-item::before {
  content: "";
  position: absolute;
  left: -1.65rem;
  top: 1.35rem;
  width: 10px;
  height: 10px;
  background: var(--news-tl-node);
  transform: rotate(45deg);
  box-shadow: 0 0 0 4px rgba(0, 255, 102, 0.15), 0 0 12px rgba(0, 255, 102, 0.4);
}

.page-news__tl-details[open] .page-news__tl-summary {
  border-bottom: 1px dashed rgba(43, 75, 111, 0.6);
}

.page-news__tl-summary {
  list-style: none;
  cursor: pointer;
  padding: var(--news-card-pad);
  border-radius: 0;
  transition: background-color var(--dur) var(--ease);
}

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

.page-news__tl-summary:focus-visible {
  outline: 2px solid var(--c-accent);
  outline-offset: 2px;
}

.page-news__tl-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.6rem;
}

.page-news__time {
  font-family: var(--font-data);
  font-size: 0.78rem;
  color: var(--c-text-dim);
  white-space: nowrap;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.page-news__match {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 0.6rem;
  padding: 0.9rem 0 0.7rem;
}

.page-news__team {
  font-family: var(--font-head);
  font-size: clamp(0.95rem, 2vw, 1.25rem);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--c-text);
}

.page-news__team:first-child {
  text-align: right;
}

.page-news__team:last-child {
  text-align: left;
}

.page-news__score {
  font-family: var(--font-data);
  font-size: 1.65rem;
  font-weight: 700;
  color: var(--c-accent);
  white-space: nowrap;
}

.page-news__score i {
  font-style: normal;
  color: var(--c-text-dim);
  margin: 0 0.1em;
  font-size: 1rem;
}

.page-news__tl-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.6rem;
  border-top: 1px solid rgba(43, 75, 111, 0.45);
  padding-top: 0.7rem;
}

.page-news__cards {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
}

.page-news__card-dot {
  display: inline-block;
  width: 0.6rem;
  height: 0.85rem;
  border-radius: 2px;
  border: 1px solid rgba(0, 0, 0, 0.3);
}

.page-news__card-dot--yellow {
  background: #ffc800;
}

.page-news__card-dot--red {
  background: var(--c-accent-2);
}

.page-news__card-num {
  font-family: var(--font-data);
  font-size: 0.82rem;
  color: var(--c-text-dim);
  margin-right: 0.3rem;
}

.page-news__expand {
  font-size: 0.78rem;
  color: var(--c-accent-3);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  display: inline-flex;
  align-items: center;
  gap: 0.35em;
}

.page-news__expand i {
  font-style: normal;
  font-family: var(--font-data);
  transition: transform var(--dur) var(--ease);
}

.page-news__tl-details[open] .page-news__expand i {
  transform: rotate(45deg);
}

.page-news__tl-body {
  padding: var(--news-card-pad);
}

.page-news__tl-img {
  display: block;
  max-width: 100%;
  width: 100%;
  height: auto;
  margin-bottom: 1rem;
  border: 1px solid var(--c-border);
  clip-path: polygon(0 0, calc(100% - 12px) 0, 100% 12px, 100% 100%, 12px 100%, 0 calc(100% - 12px));
}

.page-news__tl-body-title {
  font-family: var(--font-head);
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--c-accent);
  margin: 0 0 0.6rem;
}

.page-news__tl-body .data-rail {
  margin-bottom: 1rem;
}

.page-news__tl-body .btn-panel {
  display: inline-block;
  font-size: 0.85rem;
  padding: 0.55rem 1rem;
}

.page-news__timeline-end {
  position: relative;
  margin-top: 2rem;
  padding-left: 0.3rem;
  display: flex;
  align-items: center;
  gap: 0.7rem;
}

.page-news__live-dot {
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--c-accent);
  box-shadow: 0 0 0 4px rgba(0, 255, 102, 0.2);
  animation: page-news-pulse 2s var(--ease) infinite;
}

@keyframes page-news-pulse {
  0%, 100% { box-shadow: 0 0 0 3px rgba(0, 255, 102, 0.15); }
  50% { box-shadow: 0 0 0 8px rgba(0, 255, 102, 0.05); }
}

.page-news__timeline-end p {
  font-family: var(--font-data);
  font-size: 0.82rem;
  color: var(--c-text-dim);
  letter-spacing: 0.04em;
}

/* ===== 视频集锦 ===== */
.page-news__video-wrap {
  display: grid;
  gap: 1.4rem;
}

.page-news__feature-video {
  background: var(--c-bg-2);
  border: 1px solid var(--c-border);
  overflow: hidden;
}

.page-news__feature-video .img-frame {
  position: relative;
}

.page-news__play-btn {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: rgba(0, 255, 102, 0.9);
  transform: translate(-50%, -50%) rotate(45deg);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 0 6px rgba(0, 255, 102, 0.25), 0 0 24px rgba(0, 255, 102, 0.5);
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-news__play-btn::after {
  content: "";
  width: 0;
  height: 0;
  border-left: 14px solid var(--c-bg);
  border-top: 9px solid transparent;
  border-bottom: 9px solid transparent;
  transform: rotate(-45deg) translateX(2px);
}

.page-news__feature-video:hover .page-news__play-btn {
  transform: translate(-50%, -50%) rotate(45deg) scale(1.08);
  box-shadow: 0 0 0 8px rgba(0, 255, 102, 0.3), 0 0 32px rgba(0, 255, 102, 0.6);
}

.page-news__play-btn--sm {
  width: 36px;
  height: 36px;
}

.page-news__play-btn--sm::after {
  border-left: 9px solid var(--c-bg);
  border-top: 6px solid transparent;
  border-bottom: 6px solid transparent;
}

.page-news__video-info {
  padding: 1.2rem 1.3rem 1.4rem;
}

.page-news__video-info h3,
.page-news__video-item-info h3 {
  font-family: var(--font-head);
  font-size: 1.2rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  margin: 0 0 0.45rem;
}

.page-news__video-info > p {
  color: var(--c-text-dim);
  font-size: 0.92rem;
  line-height: 1.6;
  margin: 0 0 0.9rem;
}

.page-news__video-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.6rem;
}

.page-news__video-list {
  display: grid;
  gap: 1rem;
}

.page-news__video-item {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 0.9rem;
  padding: 0.6rem;
  background: rgba(19, 42, 58, 0.7);
  border: 1px solid var(--c-border);
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-news__video-item:hover {
  border-color: rgba(0, 255, 102, 0.5);
  transform: translateY(-3px);
}

.page-news__video-item .img-frame {
  position: relative;
}

.page-news__video-item-info {
  padding: 0.2rem 0.2rem 0.2rem 0;
}

.page-news__video-item-info h3 {
  font-size: 0.95rem;
  line-height: 1.35;
  margin-bottom: 0.4rem;
}

.page-news__video-item-info .page-news__time {
  font-size: 0.7rem;
  display: block;
}

/* ===== 专题文章 ===== */
.page-news__feature-grid {
  display: grid;
  gap: 1.4rem;
}

.page-news__feature-card {
  display: flex;
  flex-direction: column;
  background: var(--c-bg-2);
  border: 1px solid var(--c-border);
  padding: 0;
  overflow: hidden;
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-news__feature-card:hover {
  border-color: rgba(0, 255, 102, 0.5);
  transform: translateY(-4px);
}

.page-news__feature-card .img-frame {
  max-height: 220px;
  object-fit: cover;
}

.page-news__feature-card__body {
  padding: 1.2rem 1.3rem 1.4rem;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.6rem;
  flex: 1;
}

.page-news__feature-tag {
  align-self: flex-start;
}

.page-news__feature-card__body h3 {
  font-family: var(--font-head);
  font-size: 1.15rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  line-height: 1.3;
  margin: 0;
}

.page-news__feature-card__body p {
  color: var(--c-text-dim);
  font-size: 0.92rem;
  line-height: 1.65;
  margin: 0;
  flex: 1;
}

.page-news__feature-card__body .page-news__time {
  margin-top: 0.3rem;
}

/* ===== 更新日志 ===== */
.page-news__changelog {
  list-style: none;
  margin: 1.5rem 0 0;
  padding: 0;
  position: relative;
}

.page-news__change-item {
  position: relative;
  display: grid;
  grid-template-columns: 3.4rem 1fr;
  gap: 0.9rem;
  background: rgba(19, 42, 58, 0.7);
  border: 1px solid var(--c-border);
  padding: 1rem 1.1rem;
  margin-bottom: 0.9rem;
  transition: border-color var(--dur) var(--ease);
}

.page-news__change-item:hover {
  border-color: rgba(0, 255, 102, 0.45);
}

.page-news__version {
  font-family: var(--font-data);
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--c-accent);
  background: rgba(0, 255, 102, 0.1);
  border: 1px solid rgba(0, 255, 102, 0.3);
  text-align: center;
  padding: 0.4rem 0.2rem;
  height: fit-content;
  clip-path: polygon(0 0, calc(100% - 6px) 0, 100% 6px, 100% 100%, 6px 100%, 0 calc(100% - 6px));
}

.page-news__change-body h3 {
  font-family: var(--font-head);
  font-size: 1.05rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  margin: 0 0 0.4rem;
}

.page-news__change-body p {
  color: var(--c-text-dim);
  font-size: 0.9rem;
  line-height: 1.6;
  margin: 0 0 0.5rem;
}

.page-news__change-body .btn-link {
  display: inline-block;
  margin-top: 0.2rem;
}

.page-news__change-body .page-news__time {
  display: block;
  margin-top: 0.5rem;
}

.page-news__changelog-foot {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 1.2rem;
  margin-top: 1.6rem;
  padding-top: 1.4rem;
  border-top: 1px dashed var(--c-border);
}

.page-news__changelog-img {
  max-width: 100%;
  width: min(300px, 100%);
  height: auto;
  border: 1px solid var(--c-border);
  clip-path: polygon(0 0, calc(100% - 12px) 0, 100% 12px, 100% 100%, 12px 100%, 0 calc(100% - 12px));
}

/* ===== 桌面端 ===== */
@media (min-width: 768px) {
  .page-news__video-item {
    grid-template-columns: 160px 1fr;
  }

  .page-news__change-item {
    grid-template-columns: 5rem 1fr;
    gap: 1.2rem;
  }
}

@media (min-width: 960px) {
  .page-news__section {
    padding: 4rem 0;
  }

  /* Hero */
  .page-news__hero {
    grid-template-columns: 1.15fr 0.85fr;
    align-items: center;
    gap: 3rem;
    padding: 2rem 0 3.2rem;
  }

  .page-news__hero-stats {
    gap: 0.3rem;
  }

  /* 时间轴居中交错 */
  .page-news__timeline {
    padding-left: 0;
    margin-top: 2.4rem;
  }

  .page-news__timeline::before {
    left: 50%;
    transform: translateX(-1px);
  }

  .page-news__tl-item {
    width: calc(50% - 2.2rem);
    margin-bottom: 1.9rem;
  }

  .page-news__tl-item:nth-child(odd) {
    margin-right: auto;
  }

  .page-news__tl-item:nth-child(even) {
    margin-left: auto;
  }

  .page-news__tl-item:nth-child(odd)::before {
    left: auto;
    right: calc(-2.2rem - 5px);
  }

  .page-news__tl-item:nth-child(even)::before {
    right: auto;
    left: calc(-2.2rem - 5px);
  }

  .page-news__tl-item:hover {
    transform: translateY(-3px);
  }

  .page-news__tl-item:nth-child(odd):hover {
    transform: translateY(-3px) translateX(2px);
  }

  .page-news__tl-item:nth-child(even):hover {
    transform: translateY(-3px) translateX(-2px);
  }

  /* 视频区 */
  .page-news__video-wrap {
    grid-template-columns: 1.15fr 0.85fr;
    align-items: start;
    gap: 1.6rem;
  }

  .page-news__video-list {
    gap: 1.1rem;
  }

  .page-news__video-item {
    grid-template-columns: 130px 1fr;
  }

  /* 专题区 */
  .page-news__feature-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.4rem;
  }

  .page-news__feature-card:first-child {
    grid-column: span 1;
  }

  /* 更新日志 */
  .page-news__changelog {
    margin-top: 2.2rem;
  }

  .page-news__change-item {
    grid-template-columns: 6rem 1fr;
    padding: 1.2rem 1.5rem;
    margin-bottom: 1rem;
  }

  .page-news__change-item:hover {
    transform: translateX(6px);
  }

  .page-news__version {
    font-size: 1.05rem;
    padding: 0.5rem 0.3rem;
  }

  .page-news__changelog-foot {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

@media (min-width: 1200px) {
  .page-news__video-item {
    grid-template-columns: 180px 1fr;
    padding: 0.8rem;
  }

  .page-news__feature-card__body {
    padding: 1.4rem 1.5rem 1.6rem;
  }
}

/* 防止窄屏溢出 */
.page-news img {
  max-width: 100%;
  height: auto;
}

.page-news .img-frame__img {
  width: 100%;
  height: auto;
  object-fit: cover;
}