.page-news {
  --news-hair: rgba(201, 212, 226, 0.18);
  --news-hair-ink: rgba(11, 18, 32, 0.1);
  --news-pad-block: clamp(2.75rem, 6vw, 4.5rem);
  --news-gap: clamp(1.25rem, 3.5vw, 2.75rem);
  background: var(--sd-mist);
  color: var(--sd-text);
  overflow-x: hidden;
}

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

.page-news .sd-media {
  margin: 0;
  overflow: hidden;
}

.page-news .sd-media img {
  display: block;
  width: 100%;
  height: auto;
}

/* ---------- 首屏 ---------- */

.page-news .news-hero {
  position: relative;
  padding: clamp(2.25rem, 6vw, 4rem) 0 clamp(3.5rem, 8vw, 6rem);
  isolation: isolate;
}

.page-news .news-hero::after {
  content: "";
  position: absolute;
  left: -5%;
  right: -5%;
  bottom: -1px;
  height: clamp(52px, 8vw, 96px);
  background: var(--sd-mist);
  clip-path: polygon(0 74%, 100% 0, 100% 100%, 0 100%);
  pointer-events: none;
  z-index: 1;
}

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

.page-news .news-hero__crumbs {
  margin-bottom: clamp(1.5rem, 4vw, 2.5rem);
}

.page-news .news-hero__grid {
  display: grid;
  gap: clamp(1.75rem, 4vw, 3.25rem);
  align-items: center;
}

.page-news .news-hero__title {
  margin: 0.5rem 0 1.1rem;
  font-size: clamp(2.15rem, 6.2vw, 4.1rem);
  line-height: 1.02;
  letter-spacing: -0.012em;
  color: var(--sd-mist);
}

.page-news .news-hero__sub {
  max-width: 48ch;
  margin: 0;
  font-size: clamp(1rem, 1.6vw, 1.08rem);
  line-height: 1.78;
  color: var(--sd-silver);
}

.page-news .news-hero__stats {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 2.25rem;
  margin: clamp(1.5rem, 4vw, 2.25rem) 0 0;
  padding: clamp(1rem, 2.5vw, 1.4rem) 0 0;
  list-style: none;
  border-top: 1px solid var(--news-hair);
}

.page-news .news-hero__stats li {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  min-width: 5.5rem;
}

.page-news .news-hero__num {
  font-size: clamp(1.35rem, 2.6vw, 1.75rem);
  font-weight: 700;
  color: var(--sd-orange);
  line-height: 1.1;
}

.page-news .news-hero__label {
  font-size: 0.78rem;
  letter-spacing: 0.07em;
  color: var(--sd-silver);
}

.page-news .news-hero__media {
  clip-path: polygon(0 7%, 100% 0, 100% 100%, 0 93%);
}

.page-news .news-hero__media img {
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

/* ---------- 四类内容线 ---------- */

.page-news .news-lines {
  padding: clamp(1rem, 3vw, 2rem) 0 var(--news-pad-block);
}

.page-news .news-lines__head {
  max-width: 62ch;
}

.page-news .news-lines__title {
  margin: 0.45rem 0 0.85rem;
  font-size: clamp(1.6rem, 3.6vw, 2.5rem);
  line-height: 1.15;
  color: var(--sd-ink);
}

.page-news .news-lines__lead {
  margin: 0;
  font-size: 1rem;
  line-height: 1.8;
  color: var(--sd-text-soft);
}

.page-news .news-lines__list {
  list-style: none;
  margin: var(--news-gap) 0 0;
  padding: 0;
  display: grid;
  gap: 1rem;
}

.page-news .news-line {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 0.9rem 1.1rem;
  padding: clamp(1.2rem, 3vw, 1.75rem);
  background: #fff;
  border-radius: var(--sd-radius-md);
  border-left: 4px solid var(--sd-blue);
  box-shadow: 0 1px 0 rgba(11, 18, 32, 0.04);
}

.page-news .news-line:nth-child(2) { border-left-color: var(--sd-orange); }
.page-news .news-line:nth-child(3) { border-left-color: var(--sd-cyan); }
.page-news .news-line:nth-child(4) { border-left-color: var(--sd-gold); }

.page-news .news-line__no {
  font-size: 1.4rem;
  font-weight: 700;
  line-height: 1;
  color: var(--sd-ink);
  opacity: 0.22;
}

.page-news .news-line__name {
  margin: 0 0 0.5rem;
  font-size: 1.15rem;
  line-height: 1.3;
  color: var(--sd-ink);
}

.page-news .news-line__text {
  margin: 0;
  font-size: 0.94rem;
  line-height: 1.78;
  color: var(--sd-text-soft);
}

.page-news .news-line__tag {
  grid-column: 2;
  justify-self: start;
  margin-top: 0.85rem;
  padding: 0.28rem 0.78rem;
  border-radius: var(--sd-pill);
  font-size: 0.74rem;
  letter-spacing: 0.08em;
  border: 1px solid currentColor;
}

.page-news .news-line__tag--blue { color: var(--sd-blue); }
.page-news .news-line__tag--orange { color: var(--sd-orange); }
.page-news .news-line__tag--cyan { color: #0E8E79; }
.page-news .news-line__tag--gold { color: #A97B00; }

/* ---------- 最近更新索引 ---------- */

.page-news .news-index {
  padding: var(--news-pad-block) 0;
}

.page-news .news-index__head {
  max-width: 60ch;
}

.page-news .news-index__title {
  margin: 0.45rem 0 0.85rem;
  font-size: clamp(1.6rem, 3.6vw, 2.5rem);
  line-height: 1.15;
  color: #fff;
}

.page-news .news-index__lead {
  margin: 0;
  font-size: 1rem;
  line-height: 1.8;
  color: var(--sd-silver);
}

.page-news .news-index__tabs {
  display: grid;
  gap: var(--news-gap);
  margin-top: var(--news-gap);
}

.page-news .news-index__tablist {
  display: flex;
  gap: 0.5rem;
  overflow-x: auto;
  padding-bottom: 0.4rem;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

.page-news .news-index__tablist::-webkit-scrollbar {
  display: none;
}

.page-news .news-index__tab {
  flex: 0 0 auto;
  appearance: none;
  border: 1px solid rgba(201, 212, 226, 0.28);
  background: transparent;
  color: var(--sd-silver);
  font: inherit;
  font-size: 0.85rem;
  letter-spacing: 0.06em;
  padding: 0.55rem 1.1rem;
  border-radius: var(--sd-pill);
  white-space: nowrap;
  cursor: pointer;
  transition: color 0.18s ease, background-color 0.18s ease, border-color 0.18s ease;
}

.page-news .news-index__tab:hover {
  color: #fff;
  border-color: var(--sd-blue);
}

.page-news .news-index__tab:focus-visible {
  outline: 2px solid var(--sd-orange);
  outline-offset: 2px;
}

.page-news .news-index__tab[aria-selected="true"] {
  background: var(--sd-blue);
  border-color: var(--sd-blue);
  color: #04121f;
  font-weight: 700;
}

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

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

.page-news .news-item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  column-gap: clamp(0.75rem, 2vw, 1.25rem);
  row-gap: 0.3rem;
  padding: clamp(1rem, 2.6vw, 1.5rem) 0;
  border-bottom: 1px solid var(--news-hair);
  transition: background-color 0.2s ease, padding-left 0.2s ease;
}

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

.page-news .news-item__no {
  grid-row: 1 / -1;
  align-self: start;
  min-width: 2.5rem;
  font-size: 1.5rem;
  line-height: 1;
  color: var(--sd-silver);
  opacity: 0.6;
}

.page-news .news-item:nth-child(1) .news-item__no { font-size: 2rem; color: var(--sd-orange); opacity: 1; }
.page-news .news-item:nth-child(2) .news-item__no { font-size: 1.74rem; color: var(--sd-blue); opacity: 1; }
.page-news .news-item:nth-child(3) .news-item__no { font-size: 1.5rem; color: var(--sd-cyan); opacity: 0.95; }
.page-news .news-item:nth-child(4) .news-item__no { font-size: 1.3rem; opacity: 0.8; }
.page-news .news-item:nth-child(5) .news-item__no { font-size: 1.14rem; opacity: 0.7; }

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

.page-news .news-item__title {
  margin: 0 0 0.4rem;
  font-size: clamp(1.02rem, 2.3vw, 1.26rem);
  line-height: 1.45;
  color: #fff;
  transition: color 0.18s ease;
}

.page-news .news-item__sum {
  margin: 0;
  max-width: 64ch;
  font-size: 0.92rem;
  line-height: 1.72;
  color: var(--sd-silver);
}

.page-news .news-item__meta {
  grid-column: 2;
  color: rgba(201, 212, 226, 0.66);
}

.page-news .news-item:hover {
  background: rgba(10, 132, 255, 0.07);
  padding-left: 0.6rem;
}

.page-news .news-item:hover .news-item__title {
  color: var(--sd-blue);
}

/* ---------- 数据观察 ---------- */

.page-news .news-data {
  padding: var(--news-pad-block) 0;
}

.page-news .news-data__grid {
  display: grid;
  gap: var(--news-gap);
  align-items: center;
}

.page-news .news-data__title {
  margin: 0.45rem 0 1rem;
  font-size: clamp(1.55rem, 3.5vw, 2.4rem);
  line-height: 1.18;
  color: var(--sd-mist);
}

.page-news .news-data__text {
  margin: 0;
  max-width: 58ch;
  font-size: 1rem;
  line-height: 1.82;
  color: rgba(244, 247, 252, 0.82);
}

.page-news .news-data__dims {
  list-style: none;
  margin: 1.5rem 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.page-news .news-data__dims li {
  padding: 0.34rem 0.85rem;
  border-radius: var(--sd-pill);
  border: 1px solid rgba(18, 199, 168, 0.42);
  background: rgba(18, 199, 168, 0.08);
  color: var(--sd-cyan);
  font-size: 0.8rem;
  letter-spacing: 0.04em;
}

.page-news .news-data__media img {
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border-radius: var(--sd-radius-md);
}

.page-news .news-data__media .sd-media__cap {
  margin-top: 0.75rem;
  font-size: 0.8rem;
  letter-spacing: 0.05em;
  color: rgba(201, 212, 226, 0.72);
}

.page-news .news-data__list {
  list-style: none;
  margin: var(--news-gap) 0 0;
  padding: 0;
  display: grid;
  gap: 1rem;
}

.page-news .news-data__list li {
  padding: clamp(1.1rem, 2.6vw, 1.5rem);
  border-radius: var(--sd-radius-md);
  border: 1px solid rgba(18, 199, 168, 0.24);
  background: rgba(244, 247, 252, 0.05);
}

.page-news .news-data__item-title {
  margin: 0 0 0.55rem;
  font-size: 1.05rem;
  line-height: 1.42;
  color: var(--sd-mist);
}

.page-news .news-data__item-text {
  margin: 0 0 0.85rem;
  font-size: 0.9rem;
  line-height: 1.74;
  color: rgba(244, 247, 252, 0.78);
}

.page-news .news-data__item-meta {
  color: var(--sd-cyan);
}

/* ---------- 专题连载 ---------- */

.page-news .news-series {
  padding: var(--news-pad-block) 0;
}

.page-news .news-series__head {
  max-width: 62ch;
}

.page-news .news-series__title {
  margin: 0.45rem 0 0.9rem;
  font-size: clamp(1.55rem, 3.5vw, 2.4rem);
  line-height: 1.18;
  color: var(--sd-mist);
}

.page-news .news-series__lead {
  margin: 0;
  font-size: 1rem;
  line-height: 1.82;
  color: rgba(244, 247, 252, 0.8);
}

.page-news .news-series__axis {
  list-style: none;
  margin: var(--news-gap) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.4rem 1rem;
  position: relative;
}

.page-news .news-series__axis li {
  position: relative;
  padding-top: 1.5rem;
}

.page-news .news-series__axis li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 0.75rem;
  height: 0.75rem;
  border-radius: 50%;
  background: var(--sd-blue);
  box-shadow: 0 0 0 4px rgba(10, 132, 255, 0.16);
}

.page-news .news-series__axis li:last-child::before {
  background: var(--sd-orange);
  box-shadow: 0 0 0 4px rgba(255, 107, 0, 0.16);
}

.page-news .news-series__stage {
  display: block;
  font-size: 0.82rem;
  line-height: 1.6;
  letter-spacing: 0.05em;
  color: var(--sd-silver);
}

.page-news .news-series__grid {
  display: grid;
  gap: var(--news-gap);
  margin-top: var(--news-gap);
  align-items: start;
}

.page-news .news-series__item {
  border-top: 1px solid rgba(201, 212, 226, 0.2);
}

.page-news .news-series__item:last-of-type {
  border-bottom: 1px solid rgba(201, 212, 226, 0.2);
}

.page-news .news-series__summary {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 0.4rem 0.9rem;
  padding: 1rem 0;
  cursor: pointer;
  list-style: none;
}

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

.page-news .news-series__summary:focus-visible {
  outline: 2px solid var(--sd-orange);
  outline-offset: 2px;
}

.page-news .news-series__no {
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  color: var(--sd-orange);
}

.page-news .news-series__name {
  font-size: 1.08rem;
  font-weight: 700;
  color: var(--sd-mist);
}

.page-news .news-series__count {
  margin-left: auto;
  color: rgba(201, 212, 226, 0.7);
}

.page-news .news-series__articles {
  list-style: none;
  margin: 0;
  padding: 0 0 1.1rem;
  display: grid;
  gap: 0.6rem;
}

.page-news .news-series__articles li {
  position: relative;
  padding-left: 1.1rem;
  font-size: 0.91rem;
  line-height: 1.7;
  color: rgba(244, 247, 252, 0.8);
}

.page-news .news-series__articles li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 0.5rem;
  height: 1px;
  background: var(--sd-orange);
}

.page-news .news-series__media img {
  aspect-ratio: 2 / 1;
  object-fit: cover;
  border-radius: var(--sd-radius-md);
}

.page-news .news-series__media .sd-media__cap {
  margin-top: 0.75rem;
  font-size: 0.8rem;
  letter-spacing: 0.05em;
  color: rgba(201, 212, 226, 0.72);
}

/* ---------- 更新节奏 ---------- */

.page-news .news-rhythm {
  padding: var(--news-pad-block) 0;
}

.page-news .news-rhythm__grid {
  display: grid;
  gap: var(--news-gap);
  align-items: center;
}

.page-news .news-rhythm__title {
  margin: 0.45rem 0 1.25rem;
  font-size: clamp(1.55rem, 3.5vw, 2.4rem);
  line-height: 1.18;
  color: var(--sd-ink);
}

.page-news .news-rhythm__steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1.1rem;
  counter-reset: none;
}

.page-news .news-rhythm__steps li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 0.9rem;
  padding-bottom: 1.1rem;
  border-bottom: 1px solid var(--news-hair-ink);
}

.page-news .news-rhythm__steps li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-news .news-rhythm__step-no {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  background: var(--sd-ink);
  color: var(--sd-orange);
  font-size: 0.9rem;
  font-weight: 700;
}

.page-news .news-rhythm__step-name {
  margin: 0 0 0.35rem;
  font-size: 1rem;
  line-height: 1.4;
  color: var(--sd-ink);
}

.page-news .news-rhythm__steps p {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.76;
  color: var(--sd-text-soft);
}

.page-news .news-rhythm__media img {
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border-radius: var(--sd-radius-lg);
}

.page-news .news-rhythm__media .sd-media__cap {
  margin-top: 0.75rem;
  font-size: 0.8rem;
  letter-spacing: 0.05em;
  color: var(--sd-text-soft);
}

.page-news .news-rhythm__notes {
  display: grid;
  gap: 1rem;
  margin-top: var(--news-gap);
}

.page-news .news-rhythm__note {
  padding: clamp(1.1rem, 2.6vw, 1.5rem);
  border-radius: var(--sd-radius-md);
  background: #fff;
  border-top: 3px solid var(--sd-blue);
}

.page-news .news-rhythm__note:nth-child(2) { border-top-color: var(--sd-orange); }
.page-news .news-rhythm__note:nth-child(3) { border-top-color: var(--sd-cyan); }

.page-news .news-rhythm__note-name {
  margin: 0 0 0.55rem;
  font-size: 1rem;
  line-height: 1.4;
  color: var(--sd-ink);
}

.page-news .news-rhythm__note p {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.76;
  color: var(--sd-text-soft);
}

/* ---------- 结尾入口 ---------- */

.page-news .news-next {
  padding: var(--news-pad-block) 0;
}

.page-news .news-next__head {
  max-width: 40ch;
}

.page-news .news-next__title {
  margin: 0.45rem 0 0;
  font-size: clamp(1.5rem, 3.4vw, 2.2rem);
  line-height: 1.18;
  color: var(--sd-mist);
}

.page-news .news-next__grid {
  display: grid;
  gap: 1rem;
  margin-top: var(--news-gap);
}

.page-news .news-next__card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  padding: clamp(1.2rem, 3vw, 1.6rem);
  border-radius: var(--sd-radius-md);
  border: 1px solid rgba(201, 212, 226, 0.22);
  background: rgba(244, 247, 252, 0.04);
  color: var(--sd-mist);
  text-decoration: none;
  transition: border-color 0.2s ease, background-color 0.2s ease, transform 0.2s ease;
}

.page-news .news-next__card:hover {
  border-color: var(--sd-orange);
  background: rgba(10, 132, 255, 0.1);
  transform: translateY(-3px);
}

.page-news .news-next__card:focus-visible {
  outline: 2px solid var(--sd-orange);
  outline-offset: 3px;
}

.page-news .news-next__card-kicker {
  color: var(--sd-blue);
}

.page-news .news-next__card-name {
  font-size: 1rem;
  line-height: 1.55;
  font-weight: 700;
}

.page-news .news-next__card-go {
  margin-top: auto;
  font-size: 1.1rem;
  color: var(--sd-orange);
}

/* ---------- 响应式 ---------- */

@media (min-width: 720px) {
  .page-news .news-lines__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-news .news-line:nth-child(even) {
    transform: translateY(1.25rem);
  }

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

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

  .page-news .news-series__axis {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-news .news-series__axis::before {
    content: "";
    position: absolute;
    left: 0;
    right: 6%;
    top: 0.36rem;
    height: 1px;
    background: linear-gradient(90deg, var(--sd-blue), rgba(18, 199, 168, 0.2));
    opacity: 0.55;
  }

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

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

@media (min-width: 900px) {
  .page-news .news-hero__grid {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr);
    gap: clamp(2rem, 5vw, 4rem);
  }

  .page-news .news-index__tabs {
    grid-template-columns: 190px minmax(0, 1fr);
    align-items: start;
  }

  .page-news .news-index__tablist {
    flex-direction: column;
    gap: 0.4rem;
    overflow: visible;
    padding-bottom: 0;
    position: sticky;
    top: calc(var(--sd-topbar-h) + 1.5rem);
  }

  .page-news .news-index__tab {
    width: 100%;
    text-align: left;
    border-radius: var(--sd-radius-md);
  }

  .page-news .news-data__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: clamp(2rem, 5vw, 3.5rem);
  }

  .page-news .news-series__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: clamp(2rem, 5vw, 3.5rem);
  }

  .page-news .news-rhythm__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: clamp(2rem, 5vw, 3.5rem);
  }
}

@media (min-width: 1100px) {
  .page-news .news-next__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news *,
  .page-news *::before,
  .page-news *::after {
    transition-duration: 0.001ms !important;
    animation-duration: 0.001ms !important;
  }

  .page-news .news-next__card:hover {
    transform: none;
  }
}