.page-news {
  background: var(--bsm-paper);
  color: var(--bsm-ink);
}

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(18px, 4vw, 34px) 0 clamp(34px, 7vw, 74px);
  color: var(--bsm-paper);
  background:
    radial-gradient(120% 90% at 88% 0%, rgba(53, 240, 192, 0.16), transparent 62%),
    linear-gradient(160deg, var(--bsm-night) 0%, var(--bsm-night-2) 100%);
}

.page-news .news-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: repeating-linear-gradient(90deg, rgba(46, 74, 107, 0.65) 0 1px, transparent 1px 96px);
  opacity: 0.5;
}

.page-news .news-hero::after {
  content: "";
  position: absolute;
  left: -12%;
  right: -12%;
  bottom: 16%;
  height: 1px;
  pointer-events: none;
  background: linear-gradient(90deg, transparent, rgba(53, 240, 192, 0.72), transparent);
  transform: rotate(-7deg);
}

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

.page-news .news-hero .bsm-breadcrumb__link,
.page-news .news-hero .bsm-breadcrumb__sep,
.page-news .news-hero .bsm-breadcrumb__current {
  color: rgba(251, 247, 239, 0.72);
}

.page-news .news-hero .bsm-breadcrumb__link:hover {
  color: var(--bsm-teal);
}

.page-news .news-hero__title {
  margin: clamp(14px, 2.4vw, 22px) 0 0;
  max-width: 15em;
  font-family: var(--bsm-font-serif);
  font-size: clamp(30px, 7.2vw, 58px);
  line-height: 1.16;
  letter-spacing: 0.01em;
  color: var(--bsm-paper);
}

.page-news .news-hero__lead {
  margin: clamp(14px, 2vw, 20px) 0 0;
  max-width: 44em;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.8;
  color: rgba(251, 247, 239, 0.82);
}

.page-news .news-hero__marks {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(14px, 3vw, 34px);
  margin: clamp(22px, 3.4vw, 34px) 0 0;
  padding: 0;
  list-style: none;
  font-size: 14px;
  line-height: 1.5;
  color: rgba(251, 247, 239, 0.76);
}

.page-news .news-hero__marks li {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding-left: 12px;
  border-left: 2px solid var(--bsm-teal);
}

.page-news .news-hero__marks span {
  font-family: var(--bsm-font-num);
  font-size: clamp(24px, 3.6vw, 30px);
  font-weight: 600;
  line-height: 1;
  color: var(--bsm-teal);
}

/* ---------- 本期头条 ---------- */
.page-news .news-headline {
  position: relative;
  padding: clamp(26px, 5vw, 64px) 0 clamp(28px, 5vw, 56px);
  background: var(--bsm-cream);
}

.page-news .news-headline__inner {
  display: grid;
  gap: 0;
}

.page-news .news-headline__figure {
  margin: 0;
  clip-path: polygon(0 0, 100% 0, 100% 100%, 8% 100%, 0 84%);
}

.page-news .news-headline__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.page-news .news-headline__body {
  position: relative;
  z-index: 2;
  margin-top: -30px;
  padding: clamp(18px, 4vw, 34px);
  background: var(--bsm-paper);
  clip-path: var(--bsm-cut);
  box-shadow: 0 22px 46px -34px rgba(11, 27, 51, 0.85);
}

.page-news .news-headline__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.page-news .news-headline__time {
  font-family: var(--bsm-font-num);
  font-size: 14px;
  letter-spacing: 0.1em;
  color: var(--bsm-ink);
  opacity: 0.62;
}

.page-news .news-headline__title {
  margin: 14px 0 0;
  font-family: var(--bsm-font-serif);
  font-size: clamp(23px, 4.2vw, 34px);
  line-height: 1.32;
  color: var(--bsm-ink);
}

.page-news .news-headline__text {
  margin: 12px 0 0;
  font-size: clamp(15px, 1.6vw, 16px);
  line-height: 1.85;
  color: var(--bsm-ink);
  opacity: 0.84;
}

.page-news .news-headline__body .bsm-btn {
  margin-top: clamp(16px, 2.6vw, 24px);
}

/* ---------- 更新流 ---------- */
.page-news .news-stream {
  padding: clamp(30px, 6vw, 76px) 0 clamp(34px, 6vw, 84px);
  background: var(--bsm-paper);
}

.page-news .news-stream__grid {
  display: grid;
  gap: clamp(22px, 4vw, 48px);
}

.page-news .news-index {
  padding-top: 14px;
  border-top: 2px solid var(--bsm-ink);
}

.page-news .news-index__title {
  margin: 0 0 12px;
  font-family: var(--bsm-font-num);
  font-size: 13px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--bsm-ink);
  opacity: 0.55;
}

.page-news .news-index__list {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 16px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .news-index__list a {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 7px 0;
  font-size: 15px;
  color: var(--bsm-ink);
  text-decoration: none;
  border-bottom: 1px solid rgba(46, 74, 107, 0.2);
  transition: color 160ms ease;
}

.page-news .news-index__list a:hover,
.page-news .news-index__list a:focus-visible {
  color: var(--bsm-flame);
}

.page-news .news-index__list a span {
  font-family: var(--bsm-font-num);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--bsm-night-2);
  opacity: 0.6;
}

.page-news .news-index__note {
  margin: 16px 0 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--bsm-ink);
  opacity: 0.62;
}

.page-news .news-feed__head {
  padding-bottom: 12px;
  margin-bottom: 4px;
  border-bottom: 2px solid var(--bsm-ink);
}

.page-news .news-feed__head h2 {
  margin: 0;
  font-family: var(--bsm-font-serif);
  font-size: clamp(24px, 3.6vw, 34px);
  color: var(--bsm-ink);
}

.page-news .news-feed__head p {
  margin: 8px 0 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--bsm-ink);
  opacity: 0.7;
}

.page-news .news-item {
  position: relative;
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 10px;
  padding: clamp(18px, 3vw, 26px) 0;
  border-bottom: 1px solid rgba(46, 74, 107, 0.22);
}

.page-news .news-item__num {
  padding: 3px 0 0 9px;
  font-family: var(--bsm-font-num);
  font-size: clamp(20px, 2.8vw, 28px);
  line-height: 1;
  color: var(--bsm-night-2);
  opacity: 0.6;
  border-left: 2px solid var(--bsm-night-2);
}

.page-news .news-item__body {
  min-width: 0;
}

.page-news .news-item__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 12px;
}

.page-news .news-item__time {
  font-family: var(--bsm-font-num);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--bsm-ink);
  opacity: 0.6;
}

.page-news .news-item__dot {
  width: 7px;
  height: 7px;
  background: var(--bsm-teal);
  clip-path: polygon(50% 0, 100% 50%, 50% 100%, 0 50%);
}

.page-news .news-item__title {
  margin: 10px 0 0;
  font-family: var(--bsm-font-serif);
  font-size: clamp(18px, 2.6vw, 23px);
  line-height: 1.45;
  color: var(--bsm-ink);
}

.page-news .news-item__text {
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.82;
  color: var(--bsm-ink);
  opacity: 0.82;
}

.page-news .news-item__figure {
  margin: 14px 0 0;
}

.page-news .news-item__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  clip-path: polygon(0 0, 100% 0, 100% 92%, 94% 100%, 0 100%);
}

.page-news .news-item__more {
  margin-top: 12px;
  padding-left: 12px;
  border-left: 2px solid rgba(46, 74, 107, 0.3);
}

.page-news .news-item__more summary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  list-style: none;
  cursor: pointer;
  font-family: var(--bsm-font-num);
  font-size: 13px;
  letter-spacing: 0.14em;
  color: var(--bsm-night-2);
}

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

.page-news .news-item__more summary::after {
  content: "+";
  font-size: 17px;
  line-height: 1;
  color: var(--bsm-flame);
}

.page-news .news-item__more[open] summary::after {
  content: "−";
}

.page-news .news-item__more summary:focus-visible {
  outline: 2px solid var(--bsm-flame);
  outline-offset: 3px;
}

.page-news .news-item__more p {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--bsm-ink);
  opacity: 0.78;
}

/* ---------- 专题系列 ---------- */
.page-news .news-series {
  position: relative;
  overflow: hidden;
  padding: clamp(32px, 6vw, 82px) 0;
  color: var(--bsm-paper);
  background: linear-gradient(170deg, var(--bsm-night) 0%, var(--bsm-night-2) 100%);
}

.page-news .news-series::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: repeating-linear-gradient(0deg, rgba(46, 74, 107, 0.55) 0 1px, transparent 1px 76px);
  opacity: 0.55;
}

.page-news .news-series .bsm-container {
  position: relative;
  z-index: 1;
}

.page-news .news-series__title {
  margin: clamp(12px, 2vw, 18px) 0 0;
  max-width: 20em;
  font-family: var(--bsm-font-serif);
  font-size: clamp(24px, 4vw, 38px);
  line-height: 1.3;
  color: var(--bsm-paper);
}

.page-news .news-series__grid {
  display: grid;
  gap: 0;
  margin-top: clamp(20px, 3vw, 34px);
  border-top: 1px solid rgba(127, 147, 173, 0.35);
}

.page-news .news-series__item {
  padding: clamp(18px, 3vw, 26px) 0 clamp(20px, 3vw, 30px);
  border-bottom: 1px solid rgba(127, 147, 173, 0.35);
}

.page-news .news-series__num {
  display: block;
  font-family: var(--bsm-font-num);
  font-size: 13px;
  letter-spacing: 0.22em;
  color: var(--bsm-teal);
}

.page-news .news-series__item h3 {
  margin: 10px 0 0;
  font-family: var(--bsm-font-serif);
  font-size: clamp(19px, 2.2vw, 23px);
  color: var(--bsm-paper);
}

.page-news .news-series__item p {
  margin: 12px 0 0;
  font-size: 14px;
  line-height: 1.82;
  color: rgba(251, 247, 239, 0.76);
}

.page-news .news-series__item a {
  display: inline-block;
  margin-top: 14px;
  padding-bottom: 2px;
  font-size: 14px;
  color: var(--bsm-teal);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 240, 192, 0.5);
  transition: color 160ms ease, border-color 160ms ease;
}

.page-news .news-series__item a:hover,
.page-news .news-series__item a:focus-visible {
  color: var(--bsm-ember);
  border-color: var(--bsm-ember);
}

/* ---------- 更新节奏 ---------- */
.page-news .news-rhythm {
  padding: clamp(32px, 6vw, 82px) 0;
  background: var(--bsm-cream);
}

.page-news .news-rhythm__title {
  margin: clamp(12px, 2vw, 18px) 0 0;
  max-width: 22em;
  font-family: var(--bsm-font-serif);
  font-size: clamp(24px, 4vw, 38px);
  line-height: 1.3;
  color: var(--bsm-ink);
}

.page-news .news-rhythm__list {
  display: grid;
  gap: 0;
  margin: clamp(20px, 3vw, 32px) 0 0;
  padding: 0;
  list-style: none;
}

.page-news .news-rhythm__item {
  padding: clamp(16px, 2.6vw, 24px) 0;
  border-top: 1px solid rgba(46, 74, 107, 0.28);
}

.page-news .news-rhythm__item h3 {
  margin: 0;
  font-family: var(--bsm-font-serif);
  font-size: clamp(18px, 2.2vw, 21px);
  color: var(--bsm-ink);
}

.page-news .news-rhythm__item dl {
  display: grid;
  gap: 12px;
  margin: 12px 0 0;
}

.page-news .news-rhythm__item dt {
  font-family: var(--bsm-font-num);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--bsm-flame);
}

.page-news .news-rhythm__item dd {
  margin: 4px 0 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--bsm-ink);
  opacity: 0.82;
}

/* ---------- 移动端继续看 ---------- */
.page-news .news-mobile {
  padding: clamp(30px, 6vw, 78px) 0;
  background: var(--bsm-paper);
}

.page-news .news-mobile__panel {
  display: grid;
  gap: clamp(16px, 3vw, 32px);
  padding: clamp(22px, 5vw, 48px);
  color: var(--bsm-paper);
  background:
    radial-gradient(110% 100% at 100% 0%, rgba(255, 90, 54, 0.18), transparent 58%),
    linear-gradient(140deg, var(--bsm-night) 0%, var(--bsm-night-2) 100%);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 28px), calc(100% - 28px) 100%, 0 100%);
}

.page-news .news-mobile__title {
  margin: clamp(10px, 2vw, 16px) 0 0;
  font-family: var(--bsm-font-serif);
  font-size: clamp(23px, 4vw, 34px);
  line-height: 1.3;
  color: var(--bsm-paper);
}

.page-news .news-mobile__text {
  margin: 12px 0 0;
  max-width: 42em;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(251, 247, 239, 0.8);
}

.page-news .news-mobile__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-news .news-mobile__hint {
  flex: 1 0 100%;
  margin: 2px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: rgba(251, 247, 239, 0.62);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-news .news-item {
    grid-template-columns: 52px minmax(0, 1fr);
    gap: 18px;
  }

  .page-news .news-item__num {
    padding-left: 12px;
  }

  .page-news .news-rhythm__item dl {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
  }
}

@media (min-width: 780px) {
  .page-news .news-rhythm__item {
    display: grid;
    grid-template-columns: 170px minmax(0, 1fr);
    gap: 24px;
    align-items: start;
  }

  .page-news .news-rhythm__item dl {
    margin: 0;
  }

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

  .page-news .news-series__item {
    padding-right: clamp(16px, 2.4vw, 28px);
  }

  .page-news .news-series__item:nth-child(odd) {
    border-right: 1px solid rgba(127, 147, 173, 0.22);
  }
}

@media (min-width: 900px) {
  .page-news .news-headline__inner {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    align-items: end;
  }

  .page-news .news-headline__figure {
    grid-column: 2;
    grid-row: 1;
    align-self: start;
    clip-path: polygon(0 0, 100% 0, 100% 88%, 90% 100%, 0 100%);
  }

  .page-news .news-headline__body {
    grid-column: 1;
    grid-row: 1;
    margin-top: 0;
    margin-right: -14%;
    margin-bottom: clamp(14px, 2.6vw, 38px);
    padding: clamp(24px, 3vw, 40px);
  }

  .page-news .news-item__figure {
    max-width: 78%;
  }
}

@media (min-width: 960px) {
  .page-news .news-stream__grid {
    grid-template-columns: 200px minmax(0, 1fr);
    gap: clamp(28px, 4vw, 64px);
  }

  .page-news .news-index {
    position: sticky;
    top: calc(var(--bsm-header-h) + 28px);
    align-self: start;
  }

  .page-news .news-index__list {
    display: block;
  }

  .page-news .news-index__list a {
    border-bottom: 1px solid rgba(46, 74, 107, 0.18);
  }

  .page-news .news-mobile__panel {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: center;
  }

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

@media (min-width: 1080px) {
  .page-news .news-series__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-news .news-series__item {
    border-right: 1px solid rgba(127, 147, 173, 0.22);
  }

  .page-news .news-series__item:first-child {
    border-left: 1px solid rgba(127, 147, 173, 0.22);
    padding-left: clamp(16px, 2.4vw, 28px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-index__list a,
  .page-news .news-series__item a {
    transition: none;
  }
}