/* ===== .page-news 专属样式 ===== */
.page-news {
  --news-num-size: clamp(48px, 7vw, 96px);
  --news-line: 1px solid var(--border-green);
  --graph-bg: radial-gradient(circle at 80% 20%, rgba(57, 255, 20, 0.06) 0%, transparent 55%),
    radial-gradient(circle at 15% 60%, rgba(255, 107, 0, 0.04) 0%, transparent 40%);
  background: var(--bg-black);
  color: var(--light-green-text);
  line-height: 1.7;
}

.page-news .container {
  width: min(1200px, calc(100% - 36px));
  margin: 0 auto;
}

/* 上下文：面包屑 */
.page-news .news-context {
  padding-top: 16px;
}

.page-news .breadcrumb-list {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
}

.page-news .breadcrumb-item {
  color: var(--neutral-gray);
  text-decoration: none;
  padding: 4px 8px;
  border: 1px solid transparent;
  transition: color 0.2s, border-color 0.2s;
}

.page-news .breadcrumb-item:hover {
  color: var(--neon-green);
  border-color: var(--border-green);
}

.page-news .breadcrumb-current {
  color: var(--neon-green);
  font-weight: 700;
  padding: 4px 8px;
  background: rgba(57, 255, 20, 0.08);
}

/* 首屏：主题声明 */
.page-news .news-masthead {
  padding: 56px 0 72px;
  background:
    linear-gradient(180deg, rgba(11, 61, 46, 0.45) 0%, transparent 100%),
    var(--graph-bg);
  border-bottom: 4px solid var(--deep-green);
  position: relative;
  overflow: hidden;
}

.page-news .news-masthead::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--neon-green) 0%, transparent 60%, var(--warn-orange) 100%);
  opacity: 0.7;
}

.page-news .masthead-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  align-items: start;
}

.page-news .masthead-number {
  font-family: var(--font-display);
  font-size: var(--news-num-size);
  line-height: 0.8;
  color: var(--deep-green);
  -webkit-text-stroke: 1px var(--neon-green);
  text-stroke: 1px var(--neon-green);
  display: flex;
  align-items: center;
  gap: 16px;
  letter-spacing: 0.02em;
}

.page-news .masthead-number-line {
  height: 3px;
  flex: 1;
  background: linear-gradient(90deg, var(--neon-green) 0%, transparent 100%);
  display: block;
  max-width: 140px;
}

.page-news .masthead-title {
  font-family: var(--font-display);
  font-size: clamp(34px, 6vw, 58px);
  line-height: 0.95;
  letter-spacing: 0.01em;
  color: var(--light-green-text);
  text-transform: uppercase;
  margin: 0 0 12px;
  /* 轻微拉伸 */
  transform: scaleX(1.02);
  transform-origin: left center;
}

.page-news .masthead-lead {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--neutral-gray);
  max-width: 58ch;
  margin: 0;
}

.page-news .masthead-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 28px;
  padding-top: 8px;
}

.page-news .meta-group {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding-left: 14px;
  border-left: 3px solid var(--border-green);
}

.page-news .meta-label {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--neutral-gray);
  letter-spacing: 0.08em;
}

.page-news .meta-value {
  font-family: var(--font-display);
  font-size: 24px;
  color: var(--neon-green);
}

/* 区块公共 */
.page-news .news-section {
  padding: 72px 0;
  position: relative;
}

.page-news .news-section + .news-section {
  border-top: var(--news-line);
}

.page-news .news-head {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
  margin-bottom: 44px;
  position: relative;
}

.page-news .section-number {
  font-family: var(--font-display);
  font-size: 28px;
  color: var(--warn-orange);
  background: rgba(255, 107, 0, 0.12);
  padding: 2px 12px;
  width: fit-content;
  clip-path: polygon(0 0, calc(100% - 8px) 0, 100% 100%, 8px 100%);
  margin-bottom: 4px;
}

.page-news .section-title {
  font-family: var(--font-display);
  font-size: clamp(26px, 4vw, 38px);
  line-height: 1;
  color: var(--light-green-text);
  margin: 0;
  letter-spacing: 0.02em;
}

.page-news .section-lead {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--neutral-gray);
  margin: 0;
  max-width: 62ch;
}

/* 标签色块 */
.page-news .item-tag {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.06em;
  padding: 3px 10px;
  display: inline-block;
  clip-path: polygon(0 0, 100% 0, calc(100% - 6px) 100%, 0 100%);
}

.page-news .tag-update {
  background: rgba(57, 255, 20, 0.15);
  color: var(--neon-green);
  border: 1px solid rgba(57, 255, 20, 0.3);
  border-right: none;
}

.page-news .tag-index {
  background: rgba(26, 92, 71, 0.5);
  color: var(--light-green-text);
  border: 1px solid var(--border-green);
  border-right: none;
}

.page-news .tag-label {
  background: rgba(57, 255, 20, 0.08);
  color: var(--light-green-text);
  border: 1px solid var(--border-green);
  border-right: none;
}

.page-news .tag-feature {
  background: rgba(255, 107, 0, 0.12);
  color: #ff8f3c;
  border: 1px solid rgba(255, 107, 0, 0.35);
  border-right: none;
}

.page-news .tag-download {
  background: rgba(255, 107, 0, 0.05);
  color: var(--warn-orange);
  border: 1px solid rgba(255, 107, 0, 0.2);
  border-right: none;
}

.page-news .tag-report {
  background: rgba(26, 92, 71, 0.3);
  color: var(--neon-green);
  border: 1px solid rgba(57, 255, 20, 0.25);
  border-right: none;
}

.page-news .tag-record {
  background: rgba(57, 255, 20, 0.1);
  color: var(--neon-green);
  border: 1px solid var(--border-green);
  border-right: none;
}

.page-news .tag-coop {
  background: rgba(255, 107, 0, 0.08);
  color: #ff8f3c;
  border: 1px solid rgba(255, 107, 0, 0.2);
  border-right: none;
}

/* 日期徽标 */
.page-news .date-badge {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--light-green-text);
  background: var(--secondary-green);
  padding: 3px 10px;
  border: 1px solid var(--border-green);
  border-left: 3px solid var(--neon-green);
  letter-spacing: 0.04em;
}

/* 最新动态：卷轴式列表 */
.page-news .news-scroll {
  display: flex;
  flex-direction: column;
}

.page-news .scroll-item {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 16px;
  padding: 28px 0;
  border-bottom: var(--news-line);
  position: relative;
  transition: background-color 0.3s ease;
}

.page-news .scroll-item::before {
  content: "";
  position: absolute;
  left: 26px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--border-green), transparent);
  transform: translateX(-50%);
}

.page-news .scroll-item:last-child::before {
  background: linear-gradient(180deg, var(--border-green), transparent);
}

.page-news .scroll-item:hover {
  background: rgba(11, 61, 46, 0.25);
}

.page-news .scroll-item:hover .scroll-index {
  color: var(--neon-green);
  border-color: var(--neon-green);
  transform: translateY(-2px);
}

.page-news .scroll-index {
  font-family: var(--font-display);
  font-size: 18px;
  color: var(--border-green);
  border: 2px solid var(--border-green);
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  transform: rotate(-6deg);
  background: var(--bg-black);
  position: relative;
  z-index: 1;
  margin-top: 4px;
  transition: color 0.3s, border-color 0.3s, transform 0.3s;
}

.page-news .scroll-body {
  min-width: 0;
}

.page-news .scroll-topline {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  margin-bottom: 10px;
}

.page-news .scroll-title {
  font-family: var(--font-display);
  font-size: clamp(18px, 2.4vw, 23px);
  line-height: 1.2;
  margin: 0 0 8px;
  color: var(--light-green-text);
}

.page-news .scroll-title:hover {
  color: var(--neon-green);
}

.page-news .scroll-desc {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--neutral-gray);
  margin: 0 0 8px;
  max-width: 62ch;
}

.page-news .scroll-link {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--warn-orange);
  text-decoration: none;
  display: inline-block;
  padding: 2px 0;
  border-bottom: 2px solid transparent;
  transition: border-color 0.2s;
}

.page-news .scroll-link:hover {
  border-color: var(--warn-orange);
}

/* 专题观察 */
.page-news .news-feature {
  background: linear-gradient(135deg, rgba(11, 61, 46, 0.35) 0%, transparent 50%);
  clip-path: polygon(0 0, 100% 20px, 100% 100%, 0 calc(100% - 20px));
  padding-top: 84px;
  padding-bottom: 92px;
}

.page-news .feature-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px;
}

.page-news .feature-card {
  display: grid;
  grid-template-columns: 1fr;
  background: rgba(10, 10, 10, 0.85);
  border-left: 4px solid var(--border-green);
  box-shadow: 8px 8px 0 rgba(11, 61, 46, 0.3);
  transition: box-shadow 0.3s, transform 0.3s, border-color 0.3s;
}

.page-news .feature-card:hover {
  box-shadow: 12px 12px 0 rgba(11, 61, 46, 0.5);
  transform: translate(-2px, -2px);
  border-left-color: var(--neon-green);
}

.page-news .feature-card-primary {
  border-left-color: var(--warn-orange);
}

.page-news .feature-media {
  overflow: hidden;
  position: relative;
  border-bottom: 1px solid var(--border-green);
}

.page-news .feature-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 70%, rgba(10, 10, 10, 0.8) 100%);
  pointer-events: none;
}

.page-news .feature-media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  min-height: 220px;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.page-news .feature-card:hover .feature-media img {
  transform: scale(1.02);
}

.page-news .feature-content {
  padding: 24px;
}

.page-news .feature-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 14px;
}

.page-news .feature-title {
  font-family: var(--font-display);
  font-size: clamp(18px, 2.4vw, 24px);
  line-height: 1.15;
  color: var(--light-green-text);
  margin: 0 0 12px;
}

.page-news .feature-desc {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--neutral-gray);
  margin: 0 0 16px;
  line-height: 1.8;
}

.page-news .feature-meta {
  border-top: 1px dashed var(--border-green);
  padding-top: 14px;
}

.page-news .feature-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--warn-orange);
  font-weight: 700;
  display: block;
  margin-bottom: 8px;
}

.page-news .feature-points {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 6px 16px;
}

.page-news .feature-points li {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--light-green-text);
  padding-left: 14px;
  position: relative;
}

.page-news .feature-points li::before {
  content: "▸";
  position: absolute;
  left: 0;
  color: var(--neon-green);
}

/* 功能指南 */
.page-news .news-guide {
  background: var(--graph-bg);
}

.page-news .guide-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

.page-news .guide-item {
  display: grid;
  grid-template-columns: 1fr;
  background: rgba(10, 10, 10, 0.6);
  border: 1px solid var(--border-green);
  border-left: 4px solid var(--neon-green);
  transition: background-color 0.3s, border-color 0.3s;
}

.page-news .guide-item:hover {
  background: rgba(11, 61, 46, 0.35);
  border-left-color: var(--warn-orange);
}

.page-news .guide-media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border-bottom: 1px solid var(--border-green);
}

.page-news .guide-body {
  padding: 20px;
}

.page-news .guide-title {
  font-family: var(--font-display);
  font-size: 19px;
  line-height: 1.2;
  color: var(--light-green-text);
  margin: 10px 0 14px;
}

.page-news .guide-steps {
  list-style: none;
  padding: 0;
  margin: 0;
  counter-reset: guide-step;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.page-news .guide-steps li {
  counter-increment: guide-step;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--neutral-gray);
  padding-left: 30px;
  position: relative;
  line-height: 1.5;
}

.page-news .guide-steps li::before {
  content: counter(guide-step, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 0;
  font-family: var(--font-display);
  font-size: 14px;
  color: var(--neon-green);
  background: rgba(57, 255, 20, 0.08);
  padding: 1px 6px;
  clip-path: polygon(0 0, 100% 0, calc(100% - 4px) 100%, 0 100%);
}

/* 更新日志 */
.page-news .news-changelog {
  position: relative;
  overflow: hidden;
  padding: 92px 0;
}

.page-news .changelog-backdrop {
  position: absolute;
  inset: 0;
  z-index: 0;
  opacity: 0.12;
  overflow: hidden;
}

.page-news .changelog-backdrop img {
  width: 100%;
  max-width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
}

.page-news .news-changelog .container {
  position: relative;
  z-index: 2;
}

.page-news .news-changelog::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, var(--bg-black) 0%, rgba(10, 10, 10, 0.85) 50%, var(--bg-black) 100%);
  z-index: 1;
}

.page-news .changelog-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.page-news .log-item {
  display: grid;
  grid-template-columns: 1fr;
  background: rgba(10, 10, 10, 0.72);
  border: 1px solid var(--border-green);
  border-left: 4px solid var(--warn-orange);
  transition: background-color 0.3s, transform 0.3s;
}

.page-news .log-item:hover {
  background: rgba(11, 61, 46, 0.5);
  transform: translateX(4px);
}

.page-news .log-version {
  font-family: var(--font-display);
  font-size: 30px;
  color: var(--warn-orange);
  background: rgba(255, 107, 0, 0.08);
  padding: 12px 18px;
  clip-path: polygon(0 0, 100% 0, calc(100% - 10px) 100%, 0 100%);
  letter-spacing: 0.01em;
  line-height: 1;
  display: flex;
  align-items: center;
}

.page-news .log-content {
  padding: 16px 18px;
}

.page-news .log-title {
  font-family: var(--font-display);
  font-size: 17px;
  color: var(--light-green-text);
  margin: 0 0 10px;
  line-height: 1.2;
}

.page-news .log-points {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.page-news .log-points li {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--neutral-gray);
  padding-left: 16px;
  position: relative;
}

.page-news .log-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 6px;
  height: 6px;
  background: var(--neon-green);
  transform: rotate(45deg);
}

/* 合作动态 */
.page-news .news-partners {
  border-top: 4px solid var(--deep-green) !important;
}

.page-news .partner-band {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  background: rgba(11, 61, 46, 0.3);
  border-bottom: 3px solid var(--deep-green);
  padding: 0;
}

.page-news .partner-media {
  position: relative;
  overflow: hidden;
}

.page-news .partner-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, transparent 70%, rgba(10, 10, 10, 0.5) 100%);
  pointer-events: none;
}

.page-news .partner-media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  min-height: 180px;
  object-fit: cover;
}

.page-news .partner-copy {
  padding: 24px;
}

.page-news .partner-title {
  font-family: var(--font-display);
  font-size: clamp(20px, 2.6vw, 26px);
  color: var(--light-green-text);
  line-height: 1.15;
  margin: 12px 0 14px;
}

.page-news .partner-desc {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--neutral-gray);
  margin: 0 0 12px;
  line-height: 1.8;
}

.page-news .partner-desc:last-child {
  margin-bottom: 0;
}

/* 键盘焦点可见 */
.page-news a:focus-visible,
.page-news [tabindex]:focus-visible {
  outline: 3px solid var(--neon-green);
  outline-offset: 2px;
}

/* ===== 响应式 ===== */
@media (min-width: 720px) {
  .page-news .container {
    width: min(1200px, calc(100% - 48px));
  }

  .page-news .masthead-inner {
    grid-template-columns: 96px 1fr 1fr;
    gap: 24px;
  }

  .page-news .masthead-number {
    font-size: 88px;
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

  .page-news .masthead-number-line {
    max-width: none;
    width: 3px;
    height: 56px;
    background: linear-gradient(180deg, var(--neon-green), transparent);
    display: block;
    flex: none;
  }

  .page-news .masthead-copy {
    padding-top: 8px;
  }

  .page-news .masthead-meta {
    justify-content: flex-end;
    align-self: end;
  }

  .page-news .news-scroll {
    margin-left: 44px;
  }

  .page-news .scroll-item {
    grid-template-columns: 80px 1fr;
    gap: 28px;
  }

  .page-news .scroll-item::before {
    left: 40px;
  }

  .page-news .scroll-index {
    width: 48px;
    height: 48px;
    font-size: 20px;
  }

  .page-news .feature-card {
    grid-template-columns: 1.1fr 1fr;
    align-items: stretch;
  }

  .page-news .feature-media {
    border-bottom: none;
    border-right: 1px solid var(--border-green);
  }

  .page-news .feature-media img {
    height: 100%;
  }

  .page-news .guide-item {
    grid-template-columns: 160px 1fr;
  }

  .page-news .guide-media img {
    height: 100%;
    min-height: 140px;
    border-bottom: none;
    border-right: 1px solid var(--border-green);
  }

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

  .page-news .log-version {
    justify-content: center;
    font-size: 34px;
  }

  .page-news .partner-band {
    grid-template-columns: 0.9fr 1.1fr;
    gap: 0;
  }

  .page-news .partner-media {
    min-height: 100%;
  }

  .page-news .partner-media img {
    height: 100%;
  }
}

@media (min-width: 1024px) {
  .page-news .feature-grid {
    grid-template-columns: 1.15fr 0.85fr;
    gap: 28px;
    align-items: stretch;
  }

  .page-news .feature-card-primary .feature-content {
    display: flex;
    flex-direction: column;
  }

  .page-news .feature-card-primary .feature-desc {
    flex: 1;
  }

  .page-news .feature-card-primary {
    grid-template-columns: 1fr;
  }

  .page-news .feature-card-primary .feature-media {
    border-right: none;
    border-bottom: 1px solid var(--border-green);
  }

  .page-news .feature-card:not(.feature-card-primary) {
    grid-template-columns: 1fr;
  }

  .page-news .feature-card:not(.feature-card-primary) .feature-media {
    border-bottom: 1px solid var(--border-green);
    border-right: none;
  }

  .page-news .guide-grid {
    grid-template-columns: 1fr 1fr;
    gap: 24px;
  }

  .page-news .guide-item {
    grid-template-columns: 1fr;
  }

  .page-news .guide-media img {
    border-bottom: 1px solid var(--border-green);
    border-right: none;
  }

  .page-news .changelog-list {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
  }

  .page-news .log-item {
    grid-template-columns: 1fr;
    align-content: start;
  }

  .page-news .log-version {
    justify-content: flex-start;
    padding: 18px;
    font-size: 32px;
  }
}

@media (max-width: 719px) {
  .page-news .container {
    width: calc(100% - 28px);
  }

  .page-news .news-section {
    padding: 56px 0;
  }

  .page-news .news-changelog {
    padding: 68px 0;
  }
}

/* 减少动画偏好 */
@media (prefers-reduced-motion: reduce) {
  .page-news *,
  .page-news *::before,
  .page-news *::after {
    transition: none !important;
    transform: none !important;
    animation: none !important;
  }
}