.page-news {
  --news-cut: 14px;
  --news-line: rgba(138, 155, 181, 0.22);
  position: relative;
  padding-block: clamp(16px, 2.6vw, 32px) clamp(48px, 7vw, 96px);
  background:
    radial-gradient(120% 70% at 100% 0%, rgba(51, 225, 225, 0.06), transparent 58%),
    linear-gradient(180deg, rgba(19, 28, 46, 0.55), rgba(11, 18, 32, 0) 40%);
}

.page-news::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(138, 155, 181, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(138, 155, 181, 0.06) 1px, transparent 1px);
  background-size: 68px 68px;
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.85), transparent 62%);
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.85), transparent 62%);
}

.page-news > * {
  position: relative;
  z-index: 1;
}

.page-news .breadcrumb {
  margin-bottom: clamp(18px, 2.6vw, 32px);
}

/* ---------- 首屏 ---------- */

.page-news .news-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 3.6vw, 52px);
  align-items: start;
}

.page-news .news-hero__lead h1 {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(29px, 5vw, 50px);
  line-height: 1.18;
  letter-spacing: 0.05em;
  color: var(--white);
}

.page-news .news-hero__lead h1::after {
  content: "";
  display: block;
  width: 60px;
  height: 2px;
  margin-top: clamp(14px, 2vw, 20px);
  background: linear-gradient(90deg, var(--cyan), rgba(51, 225, 225, 0));
}

.page-news .news-hero__intro {
  margin: 0;
  max-width: 36em;
  font-size: clamp(15px, 1.5vw, 16.5px);
  line-height: 1.85;
  color: var(--mist);
}

/* ---------- 栏目主题带 ---------- */

.page-news .news-band-list {
  display: grid;
  gap: 10px;
  align-content: start;
}

.page-news .news-band {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: clamp(12px, 1.6vw, 22px);
  padding: clamp(13px, 1.5vw, 18px) clamp(14px, 1.8vw, 22px);
  border: 1px solid var(--news-line);
  border-left: 2px solid var(--cyan-dim);
  background: linear-gradient(100deg, rgba(51, 225, 225, 0.07), rgba(19, 28, 46, 0.62) 44%, rgba(11, 18, 32, 0.3));
  color: inherit;
  text-decoration: none;
  transition: transform 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease;
}

.page-news .news-band:hover,
.page-news .news-band:focus-visible {
  transform: translateX(4px);
  border-left-color: var(--cyan);
  box-shadow: inset 0 0 0 1px rgba(51, 225, 225, 0.22);
}

.page-news .news-band:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-news .news-band__num {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.14em;
  color: var(--cyan);
  opacity: 0.85;
}

.page-news .news-band__name {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(15px, 1.6vw, 17px);
  letter-spacing: 0.1em;
  color: var(--white);
}

.page-news .news-band__latest {
  display: block;
  margin-top: 4px;
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--mist);
}

.page-news .news-band__go {
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--cyan);
  opacity: 0.45;
  transition: opacity 0.18s ease, transform 0.18s ease;
}

.page-news .news-band:hover .news-band__go,
.page-news .news-band:focus-visible .news-band__go {
  opacity: 1;
  transform: translateX(2px);
}

.page-news .news-lede-media {
  margin: clamp(28px, 4vw, 56px) 0 0;
  aspect-ratio: 8 / 3;
}

.page-news .media-frame img {
  width: 100%;
  max-width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* ---------- 通用区块头 ---------- */

.page-news .news-block {
  margin-top: clamp(46px, 6.5vw, 92px);
  scroll-margin-top: 120px;
}

.page-news .news-block__head {
  display: grid;
  gap: clamp(10px, 1.4vw, 16px);
  padding-bottom: clamp(12px, 1.6vw, 18px);
  border-bottom: 1px solid var(--news-line);
  margin-bottom: clamp(20px, 2.6vw, 34px);
}

.page-news .news-block__head h2 {
  margin: 6px 0 0;
  font-family: var(--font-mono);
  font-size: clamp(20px, 2.4vw, 27px);
  line-height: 1.35;
  letter-spacing: 0.05em;
  color: var(--white);
}

.page-news .news-block__meta {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.1em;
  color: var(--mist);
}

.page-news .news-block__lead {
  max-width: 44em;
  margin: 0 0 clamp(20px, 2.6vw, 32px);
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--mist);
}

.page-news .news-block__figure {
  margin: 0 0 clamp(22px, 3vw, 36px);
}

/* ---------- 公告列表 ---------- */

.page-news .news-log {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: clamp(14px, 2vw, 22px);
}

.page-news .news-log__item {
  position: relative;
  display: grid;
  gap: clamp(10px, 1.4vw, 18px);
  padding: clamp(16px, 2vw, 24px);
  border: 1px solid var(--news-line);
  background: linear-gradient(150deg, rgba(19, 28, 46, 0.78), rgba(11, 18, 32, 0.5));
  transition: border-color 0.18s ease, transform 0.18s ease;
}

.page-news .news-log__item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--cyan), rgba(51, 225, 225, 0));
}

.page-news .news-log__item:hover {
  border-color: var(--hair-cyan);
  transform: translateY(-2px);
}

.page-news .news-log__item--amber::before {
  background: linear-gradient(180deg, var(--amber), rgba(255, 154, 46, 0));
}

.page-news .news-log__time {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.14em;
  color: var(--cyan);
}

.page-news .news-log__time--amber {
  color: var(--amber);
}

.page-news .news-log__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 4px rgba(51, 225, 225, 0.14);
  flex: none;
}

.page-news .news-log__item--amber .news-log__dot {
  background: var(--amber);
  box-shadow: 0 0 0 4px rgba(255, 154, 46, 0.16);
}

.page-news .news-log__title {
  margin: 0 0 8px;
  font-size: clamp(16px, 1.8vw, 19px);
  line-height: 1.45;
  font-weight: 600;
  color: var(--white);
}

.page-news .news-log__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--mist);
}

.page-news .news-log__facts {
  display: grid;
  gap: 6px;
  margin: 14px 0 0;
  padding: 12px 0 0;
  border-top: 1px dashed var(--news-line);
}

.page-news .news-log__facts > div {
  display: grid;
  grid-template-columns: 74px minmax(0, 1fr);
  gap: 10px;
}

.page-news .news-log__facts dt {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.1em;
  color: var(--cyan);
  padding-top: 2px;
}

.page-news .news-log__facts dd {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--white);
}

.page-news .news-log__action {
  margin: 14px 0 0;
  padding-left: 12px;
  border-left: 2px solid var(--hair-amber);
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--white);
}

/* ---------- 设备兼容时间轴 ---------- */

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

.page-news .news-axis::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: linear-gradient(180deg, var(--cyan), var(--cyan-dim) 55%, rgba(26, 143, 146, 0.15));
}

.page-news .news-axis__item {
  position: relative;
  padding: 0 0 clamp(22px, 3vw, 34px) clamp(26px, 3.4vw, 40px);
}

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

.page-news .news-axis__item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 4px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--ink);
  border: 2px solid var(--cyan);
}

.page-news .news-axis__item--key::before {
  border-color: var(--amber);
  box-shadow: 0 0 0 5px rgba(255, 154, 46, 0.12);
}

.page-news .news-axis__phase {
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.16em;
  color: var(--cyan);
}

.page-news .news-axis__item--key .news-axis__phase {
  color: var(--amber);
}

.page-news .news-axis__body h3 {
  margin: 0 0 8px;
  font-size: 17px;
  line-height: 1.5;
  color: var(--white);
}

.page-news .news-axis__body p {
  margin: 0 0 8px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--mist);
}

.page-news .news-axis__body p:last-child {
  margin-bottom: 0;
}

.page-news .news-axis__body strong {
  color: var(--white);
  font-weight: 600;
}

/* ---------- 版本记录卡片 ---------- */

.page-news .news-cards {
  display: grid;
  gap: clamp(16px, 2.2vw, 26px);
}

.page-news .news-card {
  position: relative;
  padding: clamp(18px, 2.2vw, 26px);
  background: linear-gradient(165deg, rgba(19, 28, 46, 0.9), rgba(11, 18, 32, 0.55));
  border-top: 2px solid var(--cyan-dim);
  clip-path: polygon(0 0, calc(100% - var(--news-cut)) 0, 100% var(--news-cut), 100% 100%, var(--news-cut) 100%, 0 calc(100% - var(--news-cut)));
  transition: border-color 0.18s ease, background 0.18s ease;
}

.page-news .news-card:hover {
  border-top-color: var(--cyan);
}

.page-news .news-card__stamp {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.16em;
  color: var(--amber);
}

.page-news .news-card h3 {
  margin: 0 0 10px;
  font-size: 17px;
  line-height: 1.5;
  color: var(--white);
}

.page-news .news-card p {
  margin: 0 0 10px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--mist);
}

.page-news .news-card__scope {
  margin: 0;
  padding-top: 10px;
  border-top: 1px dashed var(--news-line);
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--cyan);
}

.page-news .news-release__media {
  margin: clamp(28px, 4vw, 48px) auto 0;
  max-width: 720px;
}

/* ---------- 使用指引 ---------- */

.page-news .news-guides {
  display: grid;
  gap: clamp(14px, 1.8vw, 22px);
}

.page-news .news-guide {
  padding: clamp(16px, 2vw, 22px);
  border: 1px solid var(--news-line);
  background: linear-gradient(180deg, rgba(19, 28, 46, 0.62), rgba(11, 18, 32, 0.34));
  transition: border-color 0.18s ease, transform 0.18s ease;
}

.page-news .news-guide:hover {
  border-color: var(--hair-cyan);
  transform: translateY(-2px);
}

.page-news .news-guide__num {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.2em;
  color: var(--cyan);
}

.page-news .news-guide h3 {
  margin: 0 0 12px;
  font-size: 17px;
  letter-spacing: 0.04em;
  color: var(--white);
}

.page-news .news-guide ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
}

.page-news .news-guide li {
  position: relative;
  padding-left: 16px;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--mist);
}

.page-news .news-guide li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.68em;
  width: 7px;
  height: 2px;
  background: var(--cyan-dim);
}

.page-news .news-guide__link {
  margin: 14px 0 0;
  font-size: 14px;
}

.page-news .news-guide__link a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(51, 225, 225, 0.35);
  padding-bottom: 1px;
  transition: border-color 0.18s ease, color 0.18s ease;
}

.page-news .news-guide__link a:hover,
.page-news .news-guide__link a:focus-visible {
  color: var(--white);
  border-color: var(--cyan);
}

.page-news .news-guide__link a:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

/* ---------- 更新节奏 ---------- */

.page-news .news-cadence {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--news-line);
}

.page-news .news-cadence__item {
  display: grid;
  gap: 8px;
  padding: clamp(16px, 2vw, 24px) 0;
  border-bottom: 1px solid var(--news-line);
  transition: background 0.18s ease;
}

.page-news .news-cadence__item:hover {
  background: rgba(19, 28, 46, 0.5);
}

.page-news .news-cadence__num {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.18em;
  color: var(--cyan);
}

.page-news .news-cadence__item h3 {
  margin: 0;
  font-size: 17px;
  letter-spacing: 0.04em;
  color: var(--white);
}

.page-news .news-cadence__freq {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--amber);
}

.page-news .news-cadence__item p:last-child {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--mist);
}

/* ---------- 收口 ---------- */

.page-news .news-outro {
  margin-top: clamp(48px, 6.5vw, 92px);
}

.page-news .news-outro__inner {
  display: grid;
  gap: clamp(18px, 2.4vw, 30px);
  padding: clamp(22px, 3vw, 38px);
  border: 1px solid var(--hair-cyan);
  background:
    linear-gradient(120deg, rgba(51, 225, 225, 0.09), rgba(11, 18, 32, 0.6) 55%),
    repeating-linear-gradient(90deg, rgba(14, 59, 63, 0.35) 0 2px, transparent 2px 22px);
  clip-path: polygon(0 0, calc(100% - 20px) 0, 100% 20px, 100% 100%, 20px 100%, 0 calc(100% - 20px));
}

.page-news .news-outro__inner h2 {
  margin: 6px 0 10px;
  font-family: var(--font-mono);
  font-size: clamp(20px, 2.4vw, 26px);
  line-height: 1.35;
  letter-spacing: 0.05em;
  color: var(--white);
}

.page-news .news-outro__inner p {
  margin: 0;
  max-width: 44em;
  font-size: 15px;
  line-height: 1.85;
  color: var(--mist);
}

.page-news .news-outro__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

/* ---------- 响应式 ---------- */

@media (min-width: 620px) {
  .page-news .news-log__item {
    grid-template-columns: 116px minmax(0, 1fr);
    align-items: start;
  }

  .page-news .news-log__time {
    padding-top: 4px;
  }
}

@media (min-width: 760px) {
  .page-news .news-block__head {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: end;
  }

  .page-news .news-block__meta {
    text-align: right;
    padding-bottom: 4px;
  }

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

@media (min-width: 940px) {
  .page-news .news-hero__grid {
    grid-template-columns: minmax(0, 34fr) minmax(0, 66fr);
  }

  .page-news .news-cards {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: start;
  }

  .page-news .news-cards > *:nth-child(2) {
    margin-top: 40px;
  }

  .page-news .news-cards > *:nth-child(3) {
    margin-top: 18px;
  }

  .page-news .news-outro__inner {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }

  .page-news .news-outro__actions {
    justify-content: flex-end;
  }
}

@media (min-width: 1120px) {
  .page-news .news-guides {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-news .news-cadence__item {
    grid-template-columns: 46px 180px minmax(0, 1fr);
    align-items: baseline;
    gap: 6px clamp(14px, 2vw, 28px);
    padding-inline: 8px;
  }

  .page-news .news-cadence__num {
    grid-row: span 2;
  }

  .page-news .news-cadence__freq {
    grid-column: 2;
  }

  .page-news .news-cadence__item p:last-child {
    grid-column: 2 / -1;
  }
}

@media (max-width: 560px) {
  .page-news .news-log__facts > div {
    grid-template-columns: minmax(0, 1fr);
    gap: 2px;
  }

  .page-news .news-band {
    grid-template-columns: auto minmax(0, 1fr);
  }

  .page-news .news-band__go {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-band,
  .page-news .news-log__item,
  .page-news .news-guide,
  .page-news .news-card {
    transition: none;
    transform: none;
  }
}