.page-news {
  --news-hair: rgba(227, 242, 253, .14);
  --news-tag-w: 128px;
  position: relative;
  overflow-x: hidden;
}

.page-news .news-band {
  padding: 52px 0;
}

.page-news .news-band--tight {
  padding: 36px 0;
}

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  position: relative;
  padding: 18px 0 30px;
  isolation: isolate;
}

.page-news .news-hero::before {
  content: "";
  position: absolute;
  top: -140px;
  right: -14%;
  width: min(780px, 94vw);
  height: 560px;
  background: linear-gradient(135deg, rgba(79, 195, 247, .24), rgba(124, 255, 203, .08) 52%, rgba(11, 30, 51, 0) 78%);
  clip-path: polygon(28% 0, 100% 0, 72% 100%, 0 100%);
  pointer-events: none;
  z-index: 0;
}

.page-news .news-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 26px;
}

.page-news .news-hero__title {
  margin: 14px 0 0;
  font-size: clamp(31px, 7.2vw, 64px);
  line-height: 1.07;
}

.page-news .news-hero__lede {
  margin: 18px 0 0;
  max-width: 560px;
  font-size: 16px;
  line-height: 1.9;
  color: rgba(244, 250, 255, .78);
}

.page-news .news-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.page-news .news-hero__media {
  display: grid;
  gap: 14px;
}

.page-news .news-hero__figure {
  aspect-ratio: 4 / 3;
  max-height: 260px;
  border-radius: var(--radius);
  overflow: hidden;
}

.page-news .news-hero__stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  padding: 14px 16px;
  border-radius: 14px;
}

.page-news .news-stat {
  display: grid;
  gap: 4px;
}

.page-news .news-stat__num {
  font-size: 20px;
  color: var(--aurora);
  letter-spacing: .02em;
}

.page-news .news-stat__label {
  font-size: 12px;
  line-height: 1.5;
  color: rgba(244, 250, 255, .62);
}

@media (min-width: 900px) {
  .page-news .news-hero {
    padding: 26px 0 44px;
  }

  .page-news .news-hero__inner {
    grid-template-columns: 1.02fr .98fr;
    align-items: center;
    gap: 48px;
  }

  .page-news .news-hero__figure {
    aspect-ratio: 16 / 5;
    max-height: 320px;
  }
}

/* ---------- 章节头 ---------- */
.page-news .news-head {
  max-width: 720px;
}

.page-news .news-head__title {
  margin: 12px 0 0;
  font-size: clamp(23px, 4.2vw, 40px);
  line-height: 1.24;
  font-weight: 700;
  letter-spacing: -.015em;
  color: var(--snow);
}

.page-news .news-head__note {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(244, 250, 255, .68);
}

.page-news .news-head--split {
  display: grid;
  gap: 14px;
  max-width: none;
}

@media (min-width: 900px) {
  .page-news .news-head--split {
    grid-template-columns: 1.3fr .7fr;
    align-items: end;
    gap: 40px;
  }

  .page-news .news-head__note--side {
    margin: 0 0 6px;
    max-width: 380px;
  }
}

/* ---------- 轮次轨道 ---------- */
.page-news .news-track {
  list-style: none;
  margin: 30px 0 0;
  padding: 0;
  display: grid;
  gap: 20px;
}

.page-news .news-track__node {
  position: relative;
  padding: 0 0 4px 24px;
  border-left: 1px solid var(--news-hair);
}

.page-news .news-track__node::before {
  content: "";
  position: absolute;
  left: -5px;
  top: 6px;
  width: 9px;
  height: 9px;
  background: var(--ice);
  clip-path: polygon(50% 0, 100% 50%, 50% 100%, 0 50%);
}

.page-news .news-track__node.is-now::before {
  background: var(--ember);
}

.page-news .news-track__num {
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--mist);
}

.page-news .news-track__node.is-now .news-track__num {
  color: var(--ember);
}

.page-news .news-track__text {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: rgba(244, 250, 255, .74);
}

@media (min-width: 760px) {
  .page-news .news-track {
    grid-template-columns: repeat(4, 1fr);
    gap: 0;
    position: relative;
  }

  .page-news .news-track::before {
    content: "";
    position: absolute;
    top: 9px;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, var(--ice), var(--aurora) 68%, rgba(124, 255, 203, .08));
  }

  .page-news .news-track__node {
    padding: 34px 18px 0 18px;
    border-left: 0;
  }

  .page-news .news-track__node::before {
    left: 18px;
    top: 5px;
  }
}

/* ---------- 更新条目 ---------- */
.page-news .news-list {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
}

.page-news .news-item {
  display: grid;
  gap: 10px;
  padding: 22px 0;
  border-top: 1px solid var(--news-hair);
}

.page-news .news-item:last-child {
  border-bottom: 1px solid var(--news-hair);
}

.page-news .news-item__title {
  margin: 0;
  font-size: 17px;
  line-height: 1.5;
  font-weight: 600;
  color: var(--snow);
}

.page-news .news-item__desc {
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(244, 250, 255, .72);
  max-width: 62ch;
}

.page-news .news-item__scope {
  margin: 12px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist);
}

.page-news .news-item__scope .mono {
  display: inline-block;
  margin-right: 10px;
  padding: 2px 8px;
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--ice);
  border: 1px solid rgba(79, 195, 247, .4);
  border-radius: 999px;
}

.page-news .news-item__more {
  margin-top: 12px;
}

.page-news .news-item__more > summary {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 13px;
  color: var(--aurora);
  cursor: pointer;
  list-style: none;
}

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

.page-news .news-item__more > summary::before {
  content: "";
  width: 7px;
  height: 7px;
  background: currentColor;
  clip-path: polygon(0 0, 100% 50%, 0 100%);
  transition: transform .24s var(--ease);
}

.page-news .news-item__more[open] > summary::before {
  transform: rotate(90deg);
}

.page-news .news-item__points {
  margin: 10px 0 0;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.85;
  color: rgba(244, 250, 255, .66);
}

.page-news .news-item__points li + li {
  margin-top: 6px;
}

@media (min-width: 760px) {
  .page-news .news-item {
    grid-template-columns: var(--news-tag-w) 1fr;
    gap: 28px;
    align-items: start;
    padding: 26px 0;
  }

  .page-news .news-item > .tag {
    justify-self: start;
    margin-top: 3px;
  }
}

/* ---------- 视觉专题卡 ---------- */
.page-news .news-visual {
  display: grid;
  gap: 18px;
  margin: 30px 0;
  padding: 26px 22px;
  background: linear-gradient(118deg, rgba(139, 92, 246, .26), rgba(255, 138, 61, .14) 82%);
  border: 1px solid rgba(139, 92, 246, .38);
}

.page-news .news-visual__title {
  margin: 10px 0 0;
  font-size: clamp(20px, 3.4vw, 28px);
  line-height: 1.32;
  font-weight: 700;
  color: var(--snow);
}

.page-news .news-visual__desc {
  margin: 10px 0 0;
  max-width: 520px;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(244, 250, 255, .78);
}

.page-news .news-visual > .btn {
  justify-self: start;
}

@media (min-width: 860px) {
  .page-news .news-visual {
    grid-template-columns: 1fr auto;
    align-items: center;
    gap: 34px;
    padding: 32px 34px;
  }

  .page-news .news-visual > .btn {
    justify-self: end;
  }
}

/* ---------- 厂商专区动态 ---------- */
.page-news .news-vendors {
  display: grid;
  gap: 30px;
}

.page-news .news-vendors__list {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  gap: 18px;
  counter-reset: none;
}

.page-news .news-vendors__item {
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 12px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--news-hair);
}

.page-news .news-vendors__num {
  font-size: 12px;
  color: var(--neon);
  letter-spacing: .08em;
  padding-top: 3px;
}

.page-news .news-vendors__item h3 {
  margin: 0;
  font-size: 16px;
  line-height: 1.5;
  font-weight: 600;
  color: var(--snow);
}

.page-news .news-vendors__item p {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(244, 250, 255, .7);
}

.page-news .news-vendors__item a,
.page-news .news-revision__foot a {
  color: var(--ice);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-news .news-vendors__body > .btn {
  margin-top: 24px;
}

.page-news .news-vendors__figure {
  aspect-ratio: 3 / 2;
  border-radius: var(--radius);
  overflow: hidden;
}

@media (min-width: 960px) {
  .page-news .news-vendors {
    grid-template-columns: 1.05fr .95fr;
    gap: 52px;
    align-items: start;
  }

  .page-news .news-vendors__figure {
    position: sticky;
    top: calc(var(--topbar-h) + 24px);
  }
}

/* ---------- 专题卡组 ---------- */
.page-news .news-topics {
  display: grid;
  gap: 18px;
  margin-top: 28px;
}

.page-news .news-topic {
  display: grid;
  gap: 12px;
  padding: 24px 22px;
  background: var(--ink-600);
  border: 1px solid var(--news-hair);
}

.page-news .news-topic__title {
  margin: 0;
  font-size: 18px;
  line-height: 1.42;
  font-weight: 700;
  color: var(--snow);
}

.page-news .news-topic p {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: rgba(244, 250, 255, .7);
}

.page-news .news-topic > .tag {
  justify-self: start;
}

.page-news .news-topic__link {
  justify-self: start;
  margin-top: 4px;
  font-size: 13px;
  color: var(--aurora);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.page-news .news-topic--feature {
  background: linear-gradient(150deg, rgba(255, 138, 61, .16), rgba(15, 42, 68, 1) 62%);
  border-color: rgba(255, 138, 61, .32);
}

.page-news .news-topic__figure {
  aspect-ratio: 16 / 9;
  border-radius: 14px;
  overflow: hidden;
}

.page-news .news-topic__body {
  display: grid;
  gap: 12px;
}

.page-news .news-topic__body > .tag {
  justify-self: start;
}

.page-news .news-topic__body h3 {
  margin: 0;
  font-size: 19px;
  line-height: 1.42;
  font-weight: 700;
  color: var(--snow);
}

.page-news .news-topic__body p {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: rgba(244, 250, 255, .72);
}

@media (min-width: 900px) {
  .page-news .news-topics {
    grid-template-columns: repeat(2, 1fr);
    gap: 22px;
  }

  .page-news .news-topic--feature {
    grid-column: 1 / -1;
    grid-template-columns: .85fr 1.15fr;
    align-items: center;
    gap: 32px;
    padding: 30px 32px;
  }

  .page-news .news-topic__figure {
    aspect-ratio: 1 / 1;
  }
}

/* ---------- 校订说明 ---------- */
.page-news .news-revision {
  display: grid;
  gap: 30px;
}

.page-news .news-revision__figure {
  aspect-ratio: 4 / 3;
  border-radius: var(--radius);
  overflow: hidden;
}

.page-news .news-revision__lede {
  margin: 16px 0 0;
  max-width: 560px;
  font-size: 15px;
  line-height: 1.9;
  color: rgba(244, 250, 255, .72);
}

.page-news .news-revision__list {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-news .news-revision__list li {
  padding-left: 18px;
  border-left: 2px solid rgba(124, 255, 203, .45);
}

.page-news .news-revision__list h3 {
  margin: 0;
  font-size: 16px;
  font-weight: 600;
  color: var(--aurora);
}

.page-news .news-revision__list p {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(244, 250, 255, .7);
}

.page-news .news-revision__foot {
  margin: 24px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist);
}

@media (min-width: 900px) {
  .page-news .news-revision {
    grid-template-columns: .9fr 1.1fr;
    gap: 52px;
    align-items: start;
  }

  .page-news .news-revision__list {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px 24px;
  }
}

/* ---------- 回访入口 ---------- */
.page-news .news-return {
  display: grid;
  gap: 16px;
  margin-top: 26px;
}

.page-news .news-return__card {
  display: grid;
  gap: 10px;
  padding: 20px 20px 22px;
  background: var(--ink-700);
  border: 1px solid var(--news-hair);
  transition: transform .3s var(--ease), background .3s var(--ease);
}

.page-news .news-return__card:hover,
.page-news .news-return__card:focus-visible {
  background: #16466D;
  transform: translateY(-3px);
}

.page-news .news-return__card > .tag {
  justify-self: start;
}

.page-news .news-return__title {
  font-size: 16px;
  line-height: 1.5;
  font-weight: 600;
  color: var(--snow);
}

.page-news .news-return__go {
  font-size: 13px;
  color: var(--ice);
  letter-spacing: .02em;
}

.page-news .news-return__contact {
  display: grid;
  gap: 20px;
  margin-top: 10px;
  padding: 24px 22px;
  border-radius: var(--radius);
}

.page-news .news-return__contact-text h3 {
  margin: 0;
  font-size: 18px;
  line-height: 1.45;
  font-weight: 700;
  color: var(--snow);
}

.page-news .news-return__contact-text p {
  margin: 10px 0 0;
  max-width: 520px;
  font-size: 14px;
  line-height: 1.85;
  color: rgba(244, 250, 255, .74);
}

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

.page-news .copy-btn {
  display: inline-flex;
  align-items: baseline;
  gap: 10px;
  padding: 10px 16px;
  background: rgba(6, 18, 31, .6);
  border: 1px solid rgba(79, 195, 247, .34);
  border-radius: 999px;
  color: var(--snow);
  font-size: 13px;
  cursor: pointer;
}

.page-news .copy-btn__hint {
  font-size: 11px;
  color: var(--mist);
  letter-spacing: .04em;
}

.page-news .copy-btn[data-copied] .copy-btn__hint {
  color: var(--aurora);
}

.page-news .copy-btn[data-copied] .copy-btn__hint::after {
  content: "已复制";
}

.page-news .copy-btn[data-copied] .copy-btn__hint {
  font-size: 0;
}

@media (min-width: 760px) {
  .page-news .news-return {
    grid-template-columns: repeat(2, 1fr);
    gap: 18px;
  }

  .page-news .news-return__contact {
    grid-template-columns: 1fr auto;
    align-items: center;
    gap: 32px;
    padding: 30px 32px;
  }

  .page-news .news-return__actions {
    justify-content: flex-end;
    max-width: 420px;
  }
}

@media (min-width: 1100px) {
  .page-news .news-return {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-return__card {
    transition: none;
  }

  .page-news .news-return__card:hover,
  .page-news .news-return__card:focus-visible {
    transform: none;
  }

  .page-news .news-item__more > summary::before {
    transition: none;
  }
}
