.page-news {
  background: var(--warm-paper);
  color: var(--ink);
  font-family: var(--font-body);
  line-height: 1.7;
  overflow-x: hidden;
}

.page-news a {
  color: var(--deep-space-blue);
  text-decoration: none;
}

.page-news a:hover {
  color: var(--galaxy-purple);
}

.page-news [hidden] {
  display: none !important;
}

.page-news [data-reveal] {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: no-preference) {
  .page-news [data-reveal].is-revealed {
    transition: opacity 0.55s ease, transform 0.55s ease;
  }
}

.page-news .container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding-left: var(--container-pad);
  padding-right: var(--container-pad);
}

.page-news .section {
  padding-top: 4rem;
  padding-bottom: 4rem;
}

.page-news .section-head {
  display: grid;
  grid-template-columns: auto auto 1fr;
  align-items: center;
  gap: 1rem;
  margin-bottom: 2.5rem;
  border-bottom: 1px solid rgba(26, 26, 46, 0.14);
  padding-bottom: 1rem;
}

.page-news .section-head__index {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--galaxy-purple);
  letter-spacing: 0.08em;
}

.page-news .section-head__title {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 700;
  margin: 0;
  color: var(--ink);
  letter-spacing: 0.02em;
}

.page-news .section-head__rule {
  height: 2px;
  background: linear-gradient(90deg, var(--star-gold), var(--ice-blue), transparent);
  border-radius: 2px;
}

.page-news .index-label {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  color: var(--galaxy-purple);
  border-left: 3px solid var(--star-gold);
  padding-left: 0.75rem;
  line-height: 1.4;
  text-transform: uppercase;
}

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

/* ===== 横幅 ===== */

.page-news__banner {
  position: relative;
  background:
    radial-gradient(circle at 88% 18%, rgba(240, 180, 41, 0.16), transparent 26%),
    radial-gradient(circle at 10% 88%, rgba(107, 79, 160, 0.24), transparent 30%),
    linear-gradient(135deg, var(--deep-space-blue) 0%, var(--deep-space-blue) 55%, #0b2a58 100%);
  color: var(--warm-paper);
  padding-top: 2rem;
  padding-bottom: 3.25rem;
  border-bottom: 4px solid var(--star-gold);
}

.page-news__crumbs {
  margin-bottom: 2.5rem;
}

.page-news__crumbs .breadcrumb__item,
.page-news__crumbs a {
  color: rgba(247, 243, 232, 0.82);
  font-size: 0.9rem;
}

.page-news__crumbs .breadcrumb__separator {
  color: var(--dim-star-gold);
}

.page-news__masthead {
  display: grid;
  gap: 2rem;
  position: relative;
}

.page-news__eyebrow {
  color: var(--dim-star-gold);
  border-left-color: var(--star-gold);
  margin-bottom: 1.25rem;
}

.page-news__mast-copy h1 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.5rem, 6vw, 4.25rem);
  line-height: 1.08;
  margin: 0 0 1.25rem;
  color: var(--starlight-white);
  letter-spacing: 0.01em;
  max-width: 16em;
}

.page-news__lede {
  font-size: 1.06rem;
  color: rgba(247, 243, 232, 0.86);
  max-width: 42rem;
  margin: 0;
}

.page-news__stamp {
  width: fit-content;
  border: 1px solid rgba(168, 216, 234, 0.35);
  padding: 1.35rem 1.75rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  background: rgba(19, 42, 79, 0.44);
  position: relative;
}

.page-news__stamp::before {
  content: "";
  position: absolute;
  inset: 0;
  border: 1px solid rgba(240, 180, 41, 0.35);
  clip-path: polygon(0 0, calc(100% - 14px) 0, 100% 14px, 100% 100%, 14px 100%, 0 calc(100% - 14px));
  pointer-events: none;
}

.page-news__stamp-num {
  font-family: var(--font-display);
  font-size: 3.5rem;
  font-weight: 700;
  line-height: 1;
  color: var(--star-gold);
}

.page-news__stamp-text {
  font-size: 0.92rem;
  color: var(--ice-blue);
  line-height: 1.6;
}

/* ===== 索引网格 ===== */

.page-news__index-grid {
  display: grid;
  gap: 3rem;
}

.page-news__side {
  position: relative;
}

.page-news__side-calendar,
.page-news__side-tags {
  margin-bottom: 2rem;
}

.page-news__calendar {
  list-style: none;
  margin: 1rem 0 0;
  padding: 0;
}

.page-news__calendar li {
  display: flex;
  gap: 1rem;
  align-items: baseline;
  font-size: 0.95rem;
  padding: 0.45rem 0;
  border-bottom: 1px dashed rgba(26, 26, 46, 0.12);
}

.page-news__calendar-week {
  font-family: var(--font-mono);
  color: var(--dim-star-gold);
  min-width: 2.5em;
}

.page-news__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: 1rem;
}

.page-news__tags .tag-chip {
  background: rgba(107, 79, 160, 0.08);
}

.page-news__side-rail {
  width: 100%;
  max-width: 80px;
  height: auto;
  margin-top: 1.5rem;
  display: block;
}

.page-news__feed {
  display: grid;
  gap: 1.5rem;
  min-width: 0;
}

.page-news__feature {
  margin: 0;
  position: relative;
  background: var(--deep-space-blue);
  overflow: hidden;
  border-left: 4px solid var(--star-gold);
}

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

.page-news__feature figcaption {
  background: var(--deep-space-blue);
  color: var(--ice-blue);
  font-family: var(--font-mono);
  font-size: 0.82rem;
  padding: 0.75rem 1rem;
}

.page-news__post {
  position: relative;
  background: rgba(255, 255, 255, 0.58);
  border: 1px solid rgba(26, 26, 46, 0.1);
  border-left: 4px solid var(--star-gold);
  padding: 1.5rem 1.5rem 1.5rem 3.25rem;
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.page-news__post:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 28px rgba(11, 29, 58, 0.1);
  border-left-color: var(--galaxy-purple);
}

.page-news__post-index {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--dim-star-gold);
  position: absolute;
  top: 1.5rem;
  left: 0.9rem;
  writing-mode: vertical-rl;
  letter-spacing: 0.14em;
}

.page-news__tag {
  display: inline-block;
  margin-bottom: 0.7rem;
}

.page-news__post h3 {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
  margin: 0 0 0.6rem;
  color: var(--ink);
  line-height: 1.35;
}

.page-news__post p {
  margin: 0 0 1rem;
  color: rgba(26, 26, 46, 0.78);
  font-size: 0.98rem;
  max-width: 68ch;
}

.page-news__more {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--galaxy-purple);
  border-bottom: 1px solid rgba(107, 79, 160, 0.4);
  padding-bottom: 0.1rem;
}

.page-news__more:hover {
  color: var(--deep-space-blue);
  border-bottom-color: var(--deep-space-blue);
}

/* ===== 专题序列 ===== */

.page-news__series {
  background: var(--deep-space-blue);
  color: var(--warm-paper);
}

.page-news__series .section-head {
  border-bottom-color: rgba(168, 216, 234, 0.2);
}

.page-news__series .section-head__index {
  color: var(--star-gold);
}

.page-news__series .section-head__title {
  color: var(--starlight-white);
}

.page-news__series .section-head__rule {
  background: linear-gradient(90deg, var(--star-gold), rgba(168, 216, 234, 0.25), transparent);
}

.page-news__series-grid {
  display: grid;
  gap: 2.5rem;
}

.page-news__series-visual {
  min-width: 0;
}

.page-news__series-fig {
  margin: 0;
  border: 1px solid rgba(168, 216, 234, 0.24);
  background: var(--soft-space-blue);
  overflow: hidden;
}

.page-news__series-fig img {
  width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 16 / 9;
}

.page-news__series-fig figcaption,
.page-news__v4-visual figcaption,
.page-news__benefits-fig figcaption {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--dim-star-gold);
  padding: 0.75rem 1rem;
  border-top: 1px solid rgba(168, 216, 234, 0.16);
}

.page-news__series-intro {
  color: var(--ice-blue);
  border-left-color: var(--star-gold);
  margin-bottom: 1rem;
}

.page-news__orbit-row {
  display: grid;
  grid-template-columns: 3rem 1fr;
  gap: 1rem;
  padding: 1.15rem 0;
  border-top: 1px dashed rgba(200, 209, 220, 0.32);
}

.page-news__orbit-seq {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--ice-blue);
  position: relative;
  display: inline-flex;
  align-items: flex-start;
  gap: 0.5rem;
}

.page-news__orbit-seq::after {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--star-gold);
  box-shadow: 0 0 0 4px rgba(240, 180, 41, 0.16);
  margin-top: 0.35rem;
  flex-shrink: 0;
}

.page-news__orbit-copy h4 {
  font-family: var(--font-display);
  font-size: 1.18rem;
  font-weight: 700;
  color: var(--starlight-white);
  margin: 0 0 0.4rem;
}

.page-news__orbit-copy p {
  color: rgba(247, 243, 232, 0.78);
  margin: 0;
  font-size: 0.95rem;
  max-width: 56ch;
}

.page-news__orbit-copy p span {
  font-family: var(--font-mono);
  color: var(--star-gold);
}

.page-news__series-total {
  margin: 1.75rem 0 0;
  font-family: var(--font-mono);
  font-size: 0.88rem;
  color: rgba(247, 243, 232, 0.72);
  border-top: 1px solid rgba(240, 180, 41, 0.4);
  padding-top: 1.1rem;
}

.page-news__series-total span {
  color: var(--star-gold);
  font-weight: 700;
}

/* ===== 版本与规则 ===== */

.page-news__v4-grid {
  display: grid;
  gap: 2.5rem;
}

.page-news__v4-visual {
  margin: 0;
  background: var(--deep-space-blue);
  overflow: hidden;
  align-self: start;
}

.page-news__v4-visual img {
  width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 3 / 2;
}

.page-news__v4-summary {
  color: rgba(26, 26, 46, 0.8);
  font-size: 1rem;
  max-width: 70ch;
  margin: 1.25rem 0 1.75rem;
}

.page-news__v4-modules {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(12.5rem, 1fr));
  gap: 1rem;
  margin: 0;
  padding: 0;
}

.page-news__v4-module {
  list-style: none;
  background: linear-gradient(180deg, var(--deep-space-blue), var(--soft-space-blue));
  color: var(--warm-paper);
  border: 1px solid rgba(168, 216, 234, 0.2);
  padding: 1.15rem 1.2rem 1.3rem;
  clip-path: polygon(0 0, calc(100% - 12px) 0, 100% 12px, 100% 100%, 0 100%);
  margin: 0;
}

.page-news__v4-module dt {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.12rem;
  color: var(--star-gold);
  margin-bottom: 0.35rem;
}

.page-news__v4-module dd {
  margin: 0;
  font-size: 0.92rem;
  color: rgba(247, 243, 232, 0.84);
  line-height: 1.6;
}

.page-news__v4-log {
  margin-top: 2.5rem;
}

.page-news__v4-log .accordion__item {
  border: 1px solid rgba(26, 26, 46, 0.14);
  border-top: 0;
  background: rgba(255, 255, 255, 0.5);
}

.page-news__v4-log .accordion__item:first-child {
  border-top: 1px solid rgba(26, 26, 46, 0.14);
}

.page-news__v4-log .accordion__trigger {
  display: flex;
  align-items: center;
  width: 100%;
  gap: 1rem;
  padding: 1rem 1.2rem;
  background: transparent;
  border: 0;
  text-align: left;
  cursor: pointer;
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 1rem;
}

.page-news__v4-log .accordion__trigger:hover {
  background: rgba(107, 79, 160, 0.06);
}

.page-news__v4-log .accordion__index {
  font-family: var(--font-mono);
  color: var(--dim-star-gold);
  font-size: 0.82rem;
  letter-spacing: 0.08em;
}

.page-news__v4-log .accordion__title {
  font-weight: 700;
  font-size: 1rem;
  line-height: 1.45;
}

.page-news__v4-log .accordion__indicator {
  margin-left: auto;
  color: var(--galaxy-purple);
  font-size: 1.3rem;
  line-height: 1;
}

.page-news__v4-log .accordion__panel {
  border-top: 1px dashed rgba(26, 26, 46, 0.12);
  padding: 1rem 1.2rem 1.25rem;
}

.page-news__v4-log .accordion__content p {
  margin: 0;
  color: rgba(26, 26, 46, 0.78);
  font-size: 0.96rem;
  max-width: 70ch;
  line-height: 1.7;
}

/* ===== 会员权益简报 ===== */

.page-news__benefits-grid {
  display: grid;
  gap: 2.5rem;
}

.page-news__benefits-copy {
  min-width: 0;
}

.page-news__flash {
  background: var(--deep-space-blue);
  color: var(--warm-paper);
  padding: 1.75rem 1.9rem;
  position: relative;
  clip-path: polygon(0 0, calc(100% - 18px) 0, 100% 18px, 100% 100%, 0 100%);
  box-shadow: 0 14px 30px rgba(11, 29, 58, 0.16);
}

.page-news__flash h3 {
  font-family: var(--font-display);
  font-size: 1.7rem;
  font-weight: 700;
  color: var(--starlight-white);
  margin: 1rem 0 0.7rem;
}

.page-news__flash p {
  margin: 0;
  color: rgba(247, 243, 232, 0.82);
  font-size: 0.98rem;
  max-width: 60ch;
  line-height: 1.75;
}

.page-news__benefits-cross {
  list-style: none;
  margin: 1.75rem 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.page-news__cross-item {
  background: rgba(255, 255, 255, 0.55);
  border: 1px solid rgba(26, 26, 46, 0.1);
  border-top: 3px solid var(--star-gold);
  padding: 1.1rem 1rem;
  text-align: center;
}

.page-news__cross-num {
  display: block;
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 700;
  line-height: 1;
  color: var(--deep-space-blue);
}

.page-news__cross-caption {
  display: block;
  margin-top: 0.5rem;
  font-size: 0.82rem;
  line-height: 1.55;
  color: rgba(26, 26, 46, 0.72);
}

.page-news__benefits-note {
  margin: 1.25rem 0 0;
  font-size: 0.95rem;
  color: rgba(26, 26, 46, 0.7);
}

.page-news__benefits-note a {
  border-bottom: 1px solid rgba(107, 79, 160, 0.4);
}

.page-news__benefits-fig {
  margin: 0;
  background: var(--deep-space-blue);
  overflow: hidden;
}

.page-news__benefits-fig img {
  width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 16 / 9;
}

/* ===== 继续探索 ===== */

.page-news__explore {
  background: var(--deep-space-blue);
  color: var(--warm-paper);
}

.page-news__explore .section-head {
  border-bottom-color: rgba(168, 216, 234, 0.22);
}

.page-news__explore .section-head__index {
  color: var(--star-gold);
}

.page-news__explore .section-head__title {
  color: var(--starlight-white);
}

.page-news__explore .section-head__rule {
  background: linear-gradient(90deg, var(--star-gold), rgba(168, 216, 234, 0.2), transparent);
}

.page-news__explore-grid {
  display: grid;
  gap: 1rem;
}

.page-news__explore-card {
  display: block;
  background: rgba(11, 29, 58, 0.55);
  border: 1px solid rgba(168, 216, 234, 0.26);
  border-left: 4px solid rgba(240, 180, 41, 0.6);
  color: var(--warm-paper);
  padding: 1.5rem 1.6rem;
  transition: transform 0.25s ease, border-color 0.25s ease, background 0.25s ease;
}

.page-news__explore-card:hover {
  transform: translateY(-3px);
  background: rgba(19, 42, 79, 0.8);
  border-left-color: var(--star-gold);
  color: var(--warm-paper);
}

.page-news__explore-code {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  color: var(--ice-blue);
}

.page-news__explore-card h3 {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--starlight-white);
  margin: 0.55rem 0 0.5rem;
}

.page-news__explore-card p {
  margin: 0;
  color: rgba(247, 243, 232, 0.76);
  font-size: 0.95rem;
  max-width: 52ch;
}

/* ===== 响应式 ===== */

@media (min-width: 48rem) {
  .page-news .section {
    padding-top: 5rem;
    padding-bottom: 5rem;
  }

  .page-news__masthead {
    grid-template-columns: 1fr auto;
    align-items: end;
    gap: 3rem;
  }

  .page-news__stamp {
    margin-bottom: 0.35rem;
  }

  .page-news__series-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 3rem;
    align-items: start;
  }

  .page-news__v4-grid {
    grid-template-columns: minmax(15rem, 22rem) 1fr;
    gap: 3rem;
  }

  .page-news__benefits-grid {
    grid-template-columns: minmax(0, 1.25fr) minmax(16rem, 0.75fr);
    gap: 3rem;
    align-items: center;
  }

  .page-news__explore-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-news__post {
    padding: 1.75rem 1.75rem 1.75rem 3.5rem;
  }
}

@media (min-width: 64rem) {
  .page-news .section {
    padding-top: 6.25rem;
    padding-bottom: 6.25rem;
  }

  .page-news__masthead {
    gap: 4rem;
  }

  .page-news__index-grid {
    grid-template-columns: minmax(13rem, 17rem) 1fr;
    gap: 4rem;
  }

  .page-news__side {
    position: sticky;
    top: 7rem;
    align-self: start;
  }

  .page-news__series-grid {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    gap: 4rem;
  }

  .page-news__v4-grid {
    grid-template-columns: minmax(17rem, 24rem) 1fr;
    gap: 4rem;
  }

  .page-news__benefits-grid {
    gap: 4rem;
  }

  .page-news__explore-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 1.25rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news *,
  .page-news *::before,
  .page-news *::after {
    transition: none !important;
    animation: none !important;
  }
}