/* ===== 页面作用域：news 品牌日志 ===== */
.page-news {
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  line-height: 1.75;
  overflow-x: clip;
  scroll-behavior: smooth;
}

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

/* ===== 页首横幅 ===== */
.page-news__hero {
  position: relative;
  padding-block: 2.2rem 2.4rem;
  border-bottom: 3px solid var(--color-accent);
  background:
    radial-gradient(ellipse at 85% 20%, rgba(57, 255, 20, 0.10) 0%, transparent 55%),
    linear-gradient(115deg, rgba(255, 107, 0, 0.16) 0%, transparent 42%),
    repeating-linear-gradient(90deg, transparent 0 47px, rgba(192, 192, 192, 0.06) 47px 48px),
    var(--color-bg);
}

.page-news__hero-inner {
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.breadcrumbs {
  margin-bottom: 1.6rem;
  font-size: 0.875rem;
}

.breadcrumbs__list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.breadcrumbs__item + .breadcrumbs__item::before {
  content: "/";
  margin-right: 0.4rem;
  color: var(--color-muted);
}

.breadcrumbs__link {
  color: var(--color-muted);
  text-decoration: none;
  transition: color var(--dur-fast) var(--ease-out);
}

.breadcrumbs__link:hover {
  color: var(--color-accent);
}

.breadcrumbs__current {
  color: var(--color-silver);
}

.page-news__kicker {
  font-family: var(--font-display);
  font-size: 0.95rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 0.6rem;
}

.page-news__title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3.9rem);
  line-height: 1.08;
  text-transform: uppercase;
  max-width: 16em;
  margin: 0 0 1rem;
  letter-spacing: 0.01em;
}

.page-news__lead {
  color: var(--color-muted);
  max-width: 42rem;
  font-size: 1.05rem;
  margin-bottom: 2.2rem;
}

/* ===== Hero 统计条 ===== */
.page-news__hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.75rem;
  max-width: 46rem;
}

.page-news__hero-stat {
  background: var(--color-bg-card);
  border: 2px solid var(--color-silver-dim);
  padding: 1rem 0.6rem;
  text-align: center;
  box-shadow: var(--shadow-card);
  transition: border-color var(--dur-base) var(--ease-out), transform var(--dur-base) var(--ease-out);
}

.page-news__hero-stat:hover {
  border-color: var(--color-accent);
  transform: translateY(-3px);
}

.page-news__hero-num {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3.2vw, 2.2rem);
  line-height: 1.15;
  color: var(--color-accent);
}

.page-news__hero-label {
  display: block;
  margin-top: 0.3rem;
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-muted);
}

/* ===== 主体双栏 ===== */
.page-news__layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--gutter);
  padding-block: 2rem 3rem;
}

/* ===== 左侧索引 ===== */
.page-news__rail {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4rem 0.9rem;
  padding: 0.9rem 1rem;
  background: var(--color-bg-card);
  border: 2px solid var(--color-silver-dim);
  border-left: 4px solid var(--color-accent);
  margin-bottom: 1.8rem;
}

.page-news__rail-title {
  font-family: var(--font-display);
  font-size: 0.85rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-muted);
  width: 100%;
  margin: 0 0 0.4rem;
}

.page-news__rail-link {
  color: var(--color-text);
  text-decoration: none;
  font-size: 0.9rem;
  padding: 0.2rem 0.2rem;
  border-bottom: 2px solid transparent;
  transition: color var(--dur-fast) var(--ease-out), border-color var(--dur-fast) var(--ease-out);
}

.page-news__rail-link:hover {
  color: var(--color-accent);
  border-bottom-color: var(--color-accent);
}

.page-news__rail-note {
  width: 100%;
  padding-top: 0.5rem;
  margin-top: 0.3rem;
  border-top: 1px dashed var(--color-silver-dim);
  font-size: 0.85rem;
  color: var(--color-muted);
}

.page-news__rail-note p {
  margin: 0 0 0.3rem;
}

.page-news__rail-note a {
  color: var(--color-accent);
  text-decoration: none;
}

/* ===== 右侧内容流 ===== */
.page-news__stream {
  min-width: 0;
}

/* ===== Section 通用 ===== */
.page-news__section {
  margin-bottom: 3rem;
}

.page-news__section-head {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 0 0.7rem;
  border-bottom: 3px solid var(--color-accent);
  padding-bottom: 0.5rem;
  margin-bottom: 1.4rem;
}

.page-news__section-code {
  font-family: var(--font-display);
  font-size: 1.2rem;
  color: var(--color-accent);
  letter-spacing: 0.08em;
}

.page-news__section-title {
  font-family: var(--font-display);
  font-size: clamp(1.7rem, 3.5vw, 2.6rem);
  text-transform: uppercase;
  line-height: 1.1;
  margin: 0;
}

.page-news__section-note {
  margin-left: auto;
  font-family: var(--font-display);
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  color: var(--color-muted);
  text-transform: uppercase;
  writing-mode: horizontal-tb;
}

/* ===== 最新动态：时间线 ===== */
.page-news__section--updates {
  position: relative;
  padding-left: 1.3rem;
}

.page-news__section--updates::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.8rem;
  bottom: 1.2rem;
  width: 3px;
  background: repeating-linear-gradient(
    to bottom,
    var(--color-accent) 0 10px,
    transparent 10px 20px
  );
  opacity: 0.4;
}

/* ===== 筛选标签 ===== */
.page-news__filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.page-news__filter {
  display: inline-block;
  padding: 0.35rem 0.9rem;
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  color: var(--color-muted);
  text-decoration: none;
  border: 1px solid var(--color-silver-dim);
  background: transparent;
  transition: background var(--dur-fast) var(--ease-out), color var(--dur-fast) var(--ease-out), border-color var(--dur-fast) var(--ease-out);
}

.page-news__filter:hover {
  color: var(--color-text);
  border-color: var(--color-accent);
}

.page-news__filter.is-active {
  color: var(--color-bg);
  background: var(--color-accent);
  border-color: var(--color-accent);
  font-weight: 700;
}

/* ===== Post 基础 ===== */
.page-news__posts > .page-news__post,
.page-news__post-grid .page-news__post,
.page-news__more-content .page-news__post {
  background: var(--color-bg-card);
  border: 2px solid var(--color-silver-dim);
  box-shadow: var(--shadow-card);
  padding: 1.4rem;
  margin-bottom: 1.4rem;
  transition: transform var(--dur-base) var(--ease-out), border-color var(--dur-base) var(--ease-out);
}

.page-news__posts > .page-news__post:hover,
.page-news__post-grid .page-news__post:hover,
.page-news__more-content .page-news__post:hover {
  transform: translateY(-3px);
  border-color: var(--color-silver);
}

.page-news__post-content {
  min-width: 0;
}

.page-news__post-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 0.5rem;
  margin-bottom: 0.8rem;
}

/* ===== Badge ===== */
.page-news__badge {
  display: inline-block;
  padding: 0.18rem 0.6rem;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-silver);
  border: 1px solid var(--color-silver-dim);
}

.page-news__badge--live {
  color: var(--color-bg);
  background: var(--color-neon);
  border-color: var(--color-neon);
  font-weight: 700;
}

.page-news__badge--signal {
  color: var(--color-neon);
  border-color: rgba(57, 255, 20, 0.5);
}

.page-news__post h3,
.page-news__feature h3,
.page-news__version-body h3 {
  font-family: var(--font-display);
  font-size: clamp(1.3rem, 2.6vw, 1.9rem);
  text-transform: uppercase;
  line-height: 1.2;
  margin: 0 0 0.7rem;
}

.page-news__post p,
.page-news__feature p,
.page-news__version-body p,
.page-news__feedback-body p {
  color: var(--color-muted);
  font-size: 0.95rem;
  margin: 0 0 1rem;
}

.page-news__more-link {
  display: inline-block;
  color: var(--color-accent);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.9rem;
  border-bottom: 2px solid transparent;
  transition: border-color var(--dur-fast) var(--ease-out);
}

.page-news__more-link:hover {
  border-bottom-color: var(--color-accent);
}

/* ===== Feature Post（大图横向）===== */
.page-news__post--feature .page-news__post-media {
  margin-bottom: 1.2rem;
  overflow: hidden;
  border: 2px solid var(--color-silver-dim);
  background: var(--color-bg-deep);
}

.page-news__post--feature img {
  object-fit: cover;
  aspect-ratio: 1200 / 700;
  width: 100%;
  display: block;
}

/* ===== Ribbon Post（横向主题带）===== */
.page-news__post--ribbon {
  position: relative;
  overflow: hidden;
  background:
    linear-gradient(110deg, transparent 0 58%, rgba(255, 107, 0, 0.14) 58% 100%),
    var(--color-bg-card);
}

.page-news__post--ribbon::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 6px;
  height: 100%;
  background: var(--color-accent);
}

.page-news__ribbon-stat {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  margin-top: 0.4rem;
}

.page-news__ribbon-num {
  font-family: var(--font-display);
  font-size: 2.4rem;
  line-height: 1;
  color: var(--color-accent);
}

.page-news__ribbon-label {
  font-size: 0.82rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-muted);
}

/* ===== 双紧凑卡 ===== */
.page-news__post-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
}

.page-news__post--compact p {
  font-size: 0.9rem;
}

/* ===== 加载更多 ===== */
.page-news__more {
  margin-top: 0.2rem;
}

.page-news__more-trigger {
  display: inline-block;
  list-style: none;
  cursor: pointer;
  padding: 0.7rem 1.6rem;
  font-family: var(--font-display);
  font-size: 0.9rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text);
  background: var(--color-bg-card);
  border: 2px solid var(--color-accent);
  box-shadow: var(--shadow-card);
  transition: background var(--dur-fast) var(--ease-out), color var(--dur-fast) var(--ease-out), transform var(--dur-fast) var(--ease-out);
}

.page-news__more-trigger::-webkit-details-marker {
  display: none;
}

.page-news__more-trigger:hover {
  background: var(--color-accent);
  color: var(--color-bg);
  transform: translateY(-2px);
}

.page-news__more-content {
  padding-top: 1.2rem;
}

/* ===== Feature 专题 ===== */
.page-news__feature {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
  background: var(--color-bg-card);
  border: 2px solid var(--color-silver-dim);
  box-shadow: var(--shadow-card);
  margin-bottom: 1.4rem;
  padding: 1.2rem;
}

.page-news__feature-media {
  overflow: hidden;
  border: 2px solid var(--color-silver-dim);
  background: var(--color-bg-deep);
  margin-bottom: 1.2rem;
}

.page-news__feature-media img {
  object-fit: cover;
  aspect-ratio: 800 / 500;
  width: 100%;
  display: block;
}

.page-news__feature-body {
  min-width: 0;
}

/* ===== Expand 折叠面板 ===== */
.page-news__expand {
  margin-top: 0.6rem;
  border: 1px solid var(--color-silver-dim);
}

.page-news__expand summary {
  cursor: pointer;
  list-style: none;
  padding: 0.7rem 1rem;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--color-accent);
  transition: background var(--dur-fast) var(--ease-out);
}

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

.page-news__expand summary:hover {
  background: rgba(255, 107, 0, 0.08);
}

.page-news__expand ol {
  margin: 0;
  padding: 0.2rem 1.6rem 1rem 2.2rem;
  color: var(--color-muted);
  font-size: 0.9rem;
}

.page-news__expand li {
  margin-bottom: 0.3rem;
}

/* ===== 安卓版更新 ===== */
.page-news__version {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
  background: var(--color-bg-card);
  border: 2px solid var(--color-silver-dim);
  border-top: 5px solid var(--color-accent);
  box-shadow: var(--shadow-strong);
  padding: 1.4rem;
}

.page-news__version-icon {
  overflow: hidden;
  border: 2px solid var(--color-silver-dim);
  background: radial-gradient(circle at 30% 25%, rgba(255, 107, 0, 0.18), transparent 60%), var(--color-bg-deep);
  margin-bottom: 1.2rem;
}

.page-news__version-icon img {
  object-fit: cover;
  aspect-ratio: 1 / 1;
  width: 100%;
  display: block;
}

.page-news__version-tag {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-bg);
  background: var(--color-neon);
  padding: 0.3rem 0.8rem;
  margin-bottom: 0.8rem;
}

.page-news__version-list {
  margin: 0 0 1.4rem;
  padding-left: 1.2rem;
  color: var(--color-muted);
  font-size: 0.92rem;
}

.page-news__version-list li {
  margin-bottom: 0.4rem;
}

.page-news__version-list li::marker {
  color: var(--color-accent);
}

/* ===== 反馈记录 ===== */
.page-news__feedback {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
  background: var(--color-bg-card);
  border: 2px solid var(--color-silver-dim);
  box-shadow: var(--shadow-card);
  padding: 1.4rem;
}

.page-news__feedback-media {
  overflow: hidden;
  border: 2px solid var(--color-silver-dim);
  background: var(--color-bg-deep);
  margin-bottom: 1.2rem;
}

.page-news__feedback-media img {
  object-fit: cover;
  aspect-ratio: 500 / 400;
  width: 100%;
  display: block;
}

.page-news__feedback-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.7rem;
  margin-bottom: 1.2rem;
}

.page-news__feedback-stat {
  text-align: center;
  background: var(--color-bg);
  border: 1px solid var(--color-silver-dim);
  padding: 0.9rem 0.5rem;
}

.page-news__feedback-num {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1;
  color: var(--color-accent);
}

.page-news__feedback-label {
  display: block;
  margin-top: 0.4rem;
  font-size: 0.76rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-muted);
}

/* ===== 相关页面 ===== */
.page-news__related {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.7rem;
  margin-top: 1rem;
}

.page-news__related-item {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 1rem 0.4rem;
  text-decoration: none;
  text-align: center;
  background: var(--color-bg-card);
  border: 2px solid var(--color-silver-dim);
  font-family: var(--font-display);
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text);
  transition: border-color var(--dur-fast) var(--ease-out), background var(--dur-fast) var(--ease-out), color var(--dur-fast) var(--ease-out);
}

.page-news__related-item span {
  font-size: 0.7rem;
  color: var(--color-accent);
  margin-bottom: 0.2rem;
}

.page-news__related-item:hover {
  border-color: var(--color-accent);
  background: var(--color-accent);
  color: var(--color-bg);
}

.page-news__related-item:hover span {
  color: var(--color-bg);
}

/* ===== 桌面端增强 ===== */
@media (min-width: 640px) {
  .page-news__post--feature {
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
    gap: 1.5rem;
    align-items: center;
  }

  .page-news__post--feature .page-news__post-media {
    margin-bottom: 0;
  }

  .page-news__post-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.4rem;
  }

  .page-news__post-grid .page-news__post {
    margin-bottom: 0;
    align-self: stretch;
  }

  .page-news__feature {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    gap: 1.5rem;
    align-items: center;
  }

  .page-news__feature-media {
    margin-bottom: 0;
  }

  .page-news__version {
    grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
    gap: 1.8rem;
    align-items: center;
  }

  .page-news__version-icon {
    margin-bottom: 0;
  }

  .page-news__feedback {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    gap: 1.8rem;
    align-items: center;
  }

  .page-news__feedback-media {
    margin-bottom: 0;
  }
}

@media (min-width: 960px) {
  .page-news__layout {
    grid-template-columns: 250px minmax(0, 1fr);
    gap: 2.5rem;
    align-items: start;
    padding-top: 2.5rem;
  }

  .page-news__rail {
    position: sticky;
    top: calc(var(--header-h) + 1.5rem);
    display: block;
    margin-bottom: 0;
    padding: 1.2rem 1rem;
  }

  .page-news__rail-title {
    width: auto;
    margin-bottom: 0.8rem;
  }

  .page-news__rail-link {
    display: block;
    padding: 0.5rem 0;
    border-bottom: 0;
    border-left: 3px solid transparent;
    padding-left: 0.6rem;
  }

  .page-news__rail-link:hover {
    border-left-color: var(--color-accent);
    border-bottom: 0;
  }

  .page-news__rail-note {
    margin-top: 1rem;
  }

  .page-news__section {
    margin-bottom: 3.8rem;
  }

  .page-news__section-note {
    writing-mode: vertical-rl;
    margin-left: 0.6rem;
  }

  .page-news__section--updates {
    padding-left: 2.2rem;
  }

  .page-news__section--updates::before {
    left: 0.6rem;
  }
}

/* ===== 减少动效 ===== */
@media (prefers-reduced-motion: reduce) {
  .page-news *,
  .page-news *::before,
  .page-news *::after {
    transition: none !important;
    transform: none !important;
    scroll-behavior: auto !important;
    animation: none !important;
  }
}