/* ===== 新闻中心页面专属样式 ===== */
.page-news {
  background: var(--clr-cream);
  color: var(--clr-ink);
  font-family: var(--font-body);
  line-height: 1.7;
}

.page-news .news-shell {
  max-width: var(--container-w);
  margin-inline: auto;
  padding: 0 var(--space-sm);
}

/* 面包屑 */
.page-news .breadcrumb {
  padding-top: var(--space-md);
  font-size: 0.85rem;
}

.page-news .breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-news .breadcrumb a {
  color: var(--clr-gray);
  text-decoration: none;
  transition: color var(--speed-fast) var(--ease-out);
}

.page-news .breadcrumb a:hover {
  color: var(--clr-accent);
}

.page-news .breadcrumb li:last-child {
  color: var(--clr-deep);
  font-weight: 700;
}

.page-news .breadcrumb li:not(:last-child)::after {
  content: "/";
  margin-left: var(--space-xs);
  color: var(--clr-gray);
}

/* 首屏主题声明 */
.page-news .news-hero {
  position: relative;
  margin-top: var(--space-md);
  padding: var(--space-lg) var(--space-lg) var(--space-xl);
  background: var(--clr-deep);
  color: var(--clr-cream);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 22px), 0 100%);
  overflow: hidden;
}

.page-news .news-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(135deg, transparent 0 18px, rgba(255, 255, 255, 0.04) 18px 20px);
  pointer-events: none;
}

.page-news .news-hero::after {
  content: "";
  position: absolute;
  right: -40px;
  top: -40px;
  width: 180px;
  height: 180px;
  border-radius: 46% 54% 62% 38% / 55% 44% 56% 45%;
  background: var(--clr-accent);
  opacity: 0.22;
  pointer-events: none;
}

.page-news .news-hero .page-hero__index {
  display: inline-block;
  font-family: var(--font-number);
  font-size: 0.82rem;
  letter-spacing: 0.12em;
  color: var(--clr-accent);
  margin-bottom: var(--space-sm);
}

.page-news .news-hero .page-hero__title {
  font-size: clamp(1.5rem, 4vw, 2.4rem);
  font-weight: 900;
  font-family: var(--font-headline);
  line-height: 1.3;
  margin: 0 0 var(--space-sm);
  max-width: 12em;
}

.page-news .news-hero .page-hero__lead {
  font-size: 0.98rem;
  color: rgba(242, 239, 233, 0.86);
  max-width: 38em;
  margin: 0;
}

/* 数据滚动条 */
.page-news .news-ticker {
  margin: var(--space-md) 0;
  background: var(--clr-wine);
  color: #fff;
  border-radius: var(--radius-sm);
  overflow: hidden;
  white-space: nowrap;
  font-family: var(--font-number);
  font-size: 0.88rem;
  box-shadow: var(--shadow-sm);
}

.page-news .news-ticker__inner {
  display: inline-flex;
  gap: var(--space-lg);
  padding: 10px var(--space-md);
  animation: news-ticker-scroll 30s linear infinite;
}

.page-news .news-ticker:hover .news-ticker__inner,
.page-news .news-ticker.is-paused .news-ticker__inner {
  animation-play-state: paused;
}

@keyframes news-ticker-scroll {
  from {
    transform: translateX(0);
  }
  to {
    transform: translateX(-50%);
  }
}

/* 区块标题 */
.page-news .section-head {
  margin-top: var(--space-xl);
}

.page-news .section-title {
  font-family: var(--font-headline);
  font-size: clamp(1.3rem, 3vw, 1.9rem);
  font-weight: 900;
  color: var(--clr-deep);
  margin: 0 0 var(--space-xs);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.page-news .section-title::before {
  content: "";
  width: 8px;
  height: 28px;
  background: linear-gradient(180deg, var(--clr-accent), transparent);
  border-radius: 4px;
}

.page-news .section-subtitle {
  color: var(--clr-gray);
  margin: 0;
  font-size: 0.92rem;
}

/* 最新动态双栏布局 */
.page-news .news-layout {
  display: grid;
  gap: var(--space-lg);
  margin-top: var(--space-lg);
}

.page-news .news-feature {
  background: #fff;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.page-news .news-feature__img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}

.page-news .news-feature__body {
  padding: var(--space-md);
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  flex: 1;
}

.page-news .news-feature__body h3 {
  font-size: 1.2rem;
  font-weight: 900;
  font-family: var(--font-headline);
  line-height: 1.45;
  color: var(--clr-deep);
  margin: var(--space-xs) 0 0;
}

.page-news .news-feature__body p {
  color: var(--clr-gray);
  margin: 0 0 var(--space-sm);
  font-size: 0.95rem;
}

.page-news .news-feature__body .btn {
  align-self: flex-start;
  margin-top: auto;
}

/* 自定义分类标签 */
.page-news .news-tag {
  display: inline-block;
  padding: 2px 12px;
  border-radius: 20px;
  font-size: 0.76rem;
  font-weight: 700;
  color: #fff;
  background: var(--clr-indigo);
  white-space: nowrap;
}

.page-news .news-tag--feature {
  background: var(--clr-accent);
}

.page-news .news-tag--report {
  background: var(--clr-indigo);
}

.page-news .news-tag--brand {
  background: var(--clr-green);
  color: var(--clr-deep);
}

/* 标签页 */
.page-news .tab-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  border-bottom: 2px solid rgba(15, 59, 59, 0.14);
  margin-bottom: var(--space-md);
}

.page-news .tab-button {
  background: transparent;
  border: none;
  padding: 8px 14px;
  font: inherit;
  font-weight: 700;
  color: var(--clr-gray);
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
  cursor: pointer;
  transition: color var(--speed-fast) var(--ease-out);
}

.page-news .tab-button:hover {
  color: var(--clr-accent);
}

.page-news .tab-button[aria-selected="true"] {
  color: var(--clr-deep);
  border-bottom: 3px solid var(--clr-accent);
}

/* 新闻列表 */
.page-news .news-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-news .news-list__item {
  border-bottom: 1px solid rgba(15, 59, 59, 0.1);
}

.page-news .news-list summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-sm);
  padding: 14px 0;
  cursor: pointer;
  font-weight: 700;
  color: var(--clr-deep);
  line-height: 1.5;
  list-style: none;
}

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

.page-news .news-list summary::before {
  content: "+";
  display: inline-block;
  flex-shrink: 0;
  width: 22px;
  height: 22px;
  line-height: 20px;
  text-align: center;
  border-radius: 50%;
  background: rgba(15, 59, 59, 0.1);
  color: var(--clr-deep);
  font-family: var(--font-number);
  font-weight: 700;
  margin-right: 4px;
  transition: transform var(--speed-base) var(--ease-out), background var(--speed-fast) var(--ease-out);
}

.page-news .news-list details[open] summary::before {
  content: "−";
  background: var(--clr-accent);
  color: #fff;
  transform: rotate(180deg);
}

.page-news .news-list details p {
  margin: 0 0 12px;
  padding-left: 28px;
  color: var(--clr-gray);
  font-size: 0.92rem;
}

.page-news .news-list details a {
  display: inline-block;
  margin: 0 0 14px 28px;
  color: var(--clr-accent);
  font-weight: 700;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--speed-fast) var(--ease-out);
}

.page-news .news-list details a:hover {
  border-color: var(--clr-accent);
}

/* 延伸阅读 */
.page-news .news-related {
  margin-top: var(--space-lg);
  background: var(--clr-indigo);
  color: var(--clr-cream);
  border-radius: var(--radius-md);
  padding: var(--space-md);
}

.page-news .news-related h3 {
  font-size: 1rem;
  font-weight: 700;
  margin: 0 0 var(--space-sm);
  letter-spacing: 0.05em;
}

.page-news .news-related h3::after {
  content: "";
  display: block;
  width: 36px;
  height: 3px;
  background: var(--clr-accent);
  border-radius: 2px;
  margin-top: 6px;
}

.page-news .news-related ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-news .news-related a {
  color: var(--clr-cream);
  text-decoration: none;
  border-bottom: 1px dashed rgba(242, 239, 233, 0.35);
  padding-bottom: 6px;
  font-size: 0.92rem;
  transition: color var(--speed-fast) var(--ease-out), border-color var(--speed-fast) var(--ease-out);
}

.page-news .news-related a:hover {
  color: var(--clr-accent);
  border-color: var(--clr-accent);
}

/* 版本升级日志 */
.page-news .version-layout {
  display: grid;
  gap: var(--space-lg);
  margin-top: var(--space-lg);
}

.page-news .terminal {
  background: #141414;
  border-radius: var(--radius-md);
  border: 1px solid rgba(15, 59, 59, 0.2);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.page-news .terminal__bar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 10px 14px;
  background: #2a2a2a;
}

.page-news .terminal__dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--clr-accent);
}

.page-news .terminal__dot:nth-child(2) {
  background: #d3a02a;
}

.page-news .terminal__dot:nth-child(3) {
  background: var(--clr-green);
}

.page-news .terminal__bar .text-mono {
  margin-left: auto;
  color: #aaa;
  font-size: 0.82rem;
}

.page-news .terminal__body {
  padding: var(--space-md);
  font-family: var(--font-number);
  font-size: 0.9rem;
  color: #d6d6d6;
  line-height: 1.8;
  overflow-x: auto;
}

.page-news .terminal__body p {
  margin: 0 0 10px;
}

.page-news .term-arrow {
  color: var(--clr-accent);
  font-weight: 700;
}

.page-news .term-green {
  color: var(--clr-green);
}

.page-news .version-shot {
  margin: 0;
}

.page-news .version-shot img {
  width: 100%;
  height: auto;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  display: block;
}

.page-news .version-shot figcaption {
  font-size: 0.88rem;
  color: var(--clr-gray);
  margin-top: 10px;
  padding-left: 12px;
  border-left: 3px solid var(--clr-accent);
}

/* 数据洞察 */
.page-news .insight-layout {
  display: grid;
  gap: var(--space-lg);
  margin-top: var(--space-lg);
}

.page-news .insight-chart {
  margin: 0;
}

.page-news .insight-chart img {
  width: 100%;
  height: auto;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  display: block;
}

.page-news .insight-chart figcaption {
  font-size: 0.88rem;
  color: var(--clr-gray);
  margin-top: 10px;
}

.page-news .insight-content p {
  color: var(--clr-gray);
  font-size: 0.95rem;
  margin: 0 0 var(--space-sm);
}

.page-news .insight-bars {
  display: grid;
  gap: 14px;
  margin: var(--space-md) 0 var(--space-xs);
}

.page-news .bar-row {
  display: grid;
  grid-template-columns: 72px 1fr 56px;
  align-items: center;
  gap: 12px;
  font-family: var(--font-number);
  font-size: 0.9rem;
}

.page-news .bar-row__label {
  color: var(--clr-deep);
  font-weight: 700;
  font-family: var(--font-body);
}

.page-news .bar-row__track {
  background: rgba(15, 59, 59, 0.12);
  border-radius: 20px;
  height: 14px;
  overflow: hidden;
}

.page-news .bar-row__fill {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, var(--clr-deep), var(--clr-indigo));
  border-radius: 20px;
}

.page-news .bar-row__fill--top {
  background: linear-gradient(90deg, var(--clr-accent), #ff8a6a);
}

.page-news .bar-row__fill--avg {
  background: linear-gradient(90deg, var(--clr-green), #a8e6b4);
}

.page-news .bar-row .text-mono {
  text-align: right;
  font-weight: 700;
  color: var(--clr-deep);
}

.page-news .insight-note {
  font-size: 0.8rem !important;
  color: var(--clr-gray) !important;
  font-family: var(--font-number);
}

.page-news .insight-content .btn {
  margin-top: var(--space-sm);
}

/* 订阅与反馈 */
.page-news .subscribe-card {
  display: grid;
  gap: var(--space-lg);
  margin-top: var(--space-xl);
  background: linear-gradient(135deg, var(--clr-deep), var(--clr-indigo));
  color: var(--clr-cream);
  border-radius: 24px 8px 36px 12px / 12px 36px 8px 24px;
  padding: var(--space-lg);
  box-shadow: var(--shadow-md);
  position: relative;
  overflow: hidden;
}

.page-news .subscribe-card::before {
  content: "";
  position: absolute;
  left: -60px;
  bottom: -60px;
  width: 200px;
  height: 200px;
  border-radius: 42% 58% 36% 64% / 55% 35% 65% 45%;
  background: var(--clr-accent);
  opacity: 0.16;
  pointer-events: none;
}

.page-news .subscribe-card__content {
  position: relative;
  z-index: 1;
}

.page-news .subscribe-card h2 {
  font-size: 1.4rem;
  font-weight: 900;
  font-family: var(--font-headline);
  margin: 0 0 var(--space-sm);
}

.page-news .subscribe-card h2::after {
  content: "";
  display: block;
  width: 48px;
  height: 3px;
  background: var(--clr-accent);
  border-radius: 2px;
  margin-top: 8px;
}

.page-news .subscribe-card p {
  font-size: 0.94rem;
  opacity: 0.92;
  margin: 0 0 var(--space-md);
}

.page-news .subscribe-card .btn {
  margin-top: var(--space-xs);
}

.page-news .subscribe-card .subscribe-note {
  font-size: 0.84rem;
  opacity: 0.72;
  margin-top: var(--space-md);
}

.page-news .subscribe-card__art {
  position: relative;
  z-index: 1;
}

.page-news .subscribe-card__art img {
  width: 100%;
  height: auto;
  border-radius: var(--radius-md);
  display: block;
  box-shadow: var(--shadow-sm);
}

/* 桌面布局 */
@media (min-width: 800px) {
  .page-news .news-layout {
    grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
    align-items: start;
  }

  .page-news .version-layout {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
    align-items: start;
  }

  .page-news .insight-layout {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    align-items: center;
  }

  .page-news .subscribe-card {
    grid-template-columns: 1.2fr 0.8fr;
    align-items: center;
    gap: var(--space-xl);
  }
}

@media (min-width: 1080px) {
  .page-news .news-shell {
    padding: 0 var(--space-lg);
  }

  .page-news .news-hero {
    padding: var(--space-xl) var(--space-xl) var(--space-2xl);
  }

  .page-news .news-feature__body {
    padding: var(--space-lg);
  }
}