.page-news {
  --news-gap: clamp(1.25rem, 3vw, 3rem);
  --news-gap-lg: clamp(2rem, 5vw, 5rem);
  --news-radius: 14px;
  --news-line: 1px solid rgba(15, 95, 122, 0.18);
  background:
    radial-gradient(1200px 420px at 85% -5%, rgba(214, 168, 55, 0.12), transparent 60%),
    linear-gradient(180deg, var(--color-lake) 0%, var(--color-white) 36%);
}

/* ===== 面包屑 ===== */
.page-news .news-breadcrumb {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 1.25rem clamp(1rem, 3vw, 3rem) 0;
  font-family: var(--font-sans);
  font-size: 0.875rem;
  color: var(--color-gray);
}

.page-news .news-breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .news-breadcrumb__list a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color 0.24s ease;
}

.page-news .news-breadcrumb__list a:hover {
  color: var(--color-accent);
}

.page-news .news-breadcrumb__sep {
  color: var(--color-sand);
}

/* ===== 页头 Hero ===== */
.page-news .news-hero {
  position: relative;
  padding: clamp(2.5rem, 6vw, 5rem) 0 clamp(2rem, 4vw, 3.5rem);
  overflow: hidden;
}

.page-news .news-hero__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  position: relative;
  z-index: 1;
}

.page-news .news-hero__copy {
  max-width: 44rem;
}

.page-news .news-hero h1 {
  margin: 0.5rem 0 1rem;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(3rem, 8vw, 5.5rem);
  line-height: 1.02;
  letter-spacing: -0.02em;
  color: var(--color-primary);
}

.page-news .news-hero__lead {
  margin: 0;
  max-width: 40rem;
  font-family: var(--font-body);
  font-size: clamp(1.0625rem, 1.6vw, 1.25rem);
  line-height: 1.8;
  color: var(--color-gray);
  border-left: 3px solid var(--color-accent);
  padding-left: 1.25rem;
}

.page-news .news-hero__trace {
  display: none;
  position: absolute;
  right: 2rem;
  bottom: 0;
  font-family: var(--font-head);
  font-weight: 900;
  color: rgba(15, 95, 122, 0.08);
  writing-mode: vertical-rl;
  text-transform: uppercase;
  letter-spacing: 0.24em;
  line-height: 1.4;
  user-select: none;
  pointer-events: none;
}

.page-news .news-hero__trace span {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
}

/* ===== 区块标题通用 ===== */
.page-news .news-section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1.5rem;
  margin-bottom: clamp(1.5rem, 3vw, 2.5rem);
  border-bottom: var(--news-line);
  padding-bottom: 1rem;
}

.page-news .news-section-title {
  margin: 0 0 0.25rem;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(1.75rem, 3.6vw, 2.75rem);
  line-height: 1.15;
  color: var(--color-night);
}

.page-news .news-section-desc {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  color: var(--color-gray);
  letter-spacing: 0.02em;
}

.page-news .news-section-index {
  flex-shrink: 0;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 0.875rem;
  color: var(--color-accent);
  background: var(--color-gold-soft);
  padding: 0.35rem 0.75rem;
  border-radius: 99px;
  letter-spacing: 0.08em;
}

/* ===== 最新三篇 ===== */
.page-news .news-featured {
  padding: 0 var(--space) clamp(2.5rem, 5vw, 4.5rem);
}

.page-news .news-featured__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

.page-news .news-featured__card {
  background: var(--color-white);
  border-radius: var(--radius-clip);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform 0.32s cubic-bezier(0.25, 0.46, 0.45, 0.94), box-shadow 0.32s ease;
}

.page-news .news-featured__card:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 32px rgba(15, 95, 122, 0.18);
}

.page-news .news-featured__img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  display: block;
  background: linear-gradient(135deg, var(--color-lake), var(--color-gold-soft));
}

.page-news .news-featured__body {
  padding: 1.5rem 1.5rem 1.75rem;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  flex: 1;
}

.page-news .news-featured__body h3 {
  margin: 0.875rem 0 0.625rem;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 1.25rem;
  line-height: 1.35;
  color: var(--color-night);
}

.page-news .news-featured__body p {
  margin: 0 0 1.25rem;
  font-family: var(--font-body);
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--color-gray);
}

.page-news .news-featured__link {
  margin-top: auto;
}

/* ===== 文章索引区 ===== */
.page-news .news-directory {
  padding: clamp(2.5rem, 6vw, 5rem) 0;
  background:
    linear-gradient(90deg, rgba(246, 231, 197, 0.35) 0%, rgba(227, 240, 245, 0.5) 100%);
  border-top: 1px solid rgba(15, 95, 122, 0.1);
  border-bottom: 1px solid rgba(15, 95, 122, 0.1);
}

.page-news .news-directory__layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--news-gap);
}

/* Tabs */
.page-news .news-tabs {
  width: 100%;
}

.page-news .news-tablist {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
  border-bottom: 2px solid rgba(15, 95, 122, 0.12);
  padding-bottom: 0.75rem;
}

.page-news .news-tablist .tablist__item {
  appearance: none;
  border: 1px solid rgba(15, 95, 122, 0.2);
  background: var(--color-white);
  color: var(--color-primary);
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 600;
  padding: 0.55rem 1rem;
  border-radius: 999px;
  cursor: pointer;
  transition: background 0.24s ease, color 0.24s ease, border-color 0.24s ease;
}

.page-news .news-tablist .tablist__item:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.page-news .news-tablist .tablist__item[aria-selected="true"] {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-white);
}

.page-news .news-panel {
  animation: news-fade 0.28s ease;
}

@keyframes news-fade {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

/* 文章列表 */
.page-news .news-list {
  background: var(--color-white);
  border-radius: var(--radius-clip);
  box-shadow: var(--shadow-card);
  overflow: hidden;
}

.page-news .news-list__item {
  border-bottom: 1px dashed rgba(15, 95, 122, 0.2);
}

.page-news .news-list__item:last-child {
  border-bottom: none;
}

.page-news .news-list__head {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 1.125rem;
  background: transparent;
  border: none;
  text-align: left;
  cursor: pointer;
  transition: background 0.24s ease;
  font-family: inherit;
}

.page-news .news-list__head:hover {
  background: rgba(227, 240, 245, 0.5);
}

.page-news .news-list__head[aria-expanded="true"] .news-list__mark {
  transform: rotate(45deg);
  color: var(--color-accent);
}

.page-news .news-list__title {
  flex: 1;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 0.9375rem;
  line-height: 1.4;
  color: var(--color-night);
  transition: color 0.24s ease;
}

.page-news .news-list__head:hover .news-list__title {
  color: var(--color-primary);
}

.page-news .news-list__mark {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.75rem;
  height: 1.75rem;
  border-radius: 50%;
  border: 1px solid rgba(15, 95, 122, 0.25);
  color: var(--color-primary);
  font-size: 1.125rem;
  line-height: 1;
  transition: transform 0.28s ease, color 0.24s ease, border-color 0.24s ease;
}

.page-news .news-list__panel {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.36s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.page-news .news-list__panel-inner {
  padding: 0.125rem 1.25rem 1.25rem 4.75rem;
  font-family: var(--font-body);
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--color-gray);
  border-left: 3px solid var(--color-accent);
  margin-left: 1.375rem;
}

.page-news .news-list__panel-inner p {
  margin: 0;
}

/* 侧栏摘要卡 */
.page-news .news-summary-card {
  padding: clamp(1.5rem, 3vw, 2.25rem);
  background: linear-gradient(145deg, var(--color-lake), var(--color-white) 68%);
  border-radius: var(--radius-clip);
  position: sticky;
  top: calc(var(--header-h) + 1.5rem);
}

.page-news .news-summary-card h3 {
  margin: 0.5rem 0 1.25rem;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 1.5rem;
  color: var(--color-night);
}

.page-news .news-summary__stats {
  margin: 0 0 1.25rem;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}

.page-news .news-summary__stats li {
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(15, 95, 122, 0.12);
  border-radius: 10px;
  padding: 0.875rem 1rem;
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  color: var(--color-gray);
  display: flex;
  flex-direction: column;
  gap: 0.125rem;
}

.page-news .news-summary__num {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 1.625rem;
  color: var(--color-primary);
  line-height: 1.1;
}

.page-news .news-summary__note {
  margin: 0 0 1.5rem;
  font-family: var(--font-body);
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--color-gray);
}

.page-news .news-summary__btn {
  width: 100%;
  justify-content: center;
}

/* ===== 更新日历与订阅 ===== */
.page-news .news-update {
  padding: clamp(2.5rem, 6vw, 5rem) 0;
  background: var(--color-white);
}

.page-news .news-update__layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--news-gap);
}

.page-news .news-calendar,
.page-news .news-subscribe {
  padding: clamp(1.5rem, 3vw, 2.25rem);
  border-radius: var(--radius-clip);
}

.page-news .news-calendar {
  background: linear-gradient(145deg, var(--color-night) 0%, #29414f 100%);
  color: var(--color-white);
  box-shadow: 0 12px 32px rgba(29, 42, 53, 0.22);
}

.page-news .news-calendar h3,
.page-news .news-subscribe h3 {
  margin: 0 0 0.5rem;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 1.5rem;
}

.page-news .news-calendar h3 {
  color: var(--color-white);
}

.page-news .news-calendar__desc {
  margin: 0 0 1.25rem;
  font-family: var(--font-body);
  font-size: 0.9375rem;
  line-height: 1.6;
  color: rgba(247, 249, 250, 0.75);
}

.page-news .news-calendar__img {
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: 10px;
  margin-bottom: 1.5rem;
  display: block;
  background: rgba(255, 255, 255, 0.08);
}

.page-news .news-calendar__timeline {
  position: relative;
  padding-left: 1.75rem;
}

.page-news .news-calendar__timeline::before {
  content: "";
  position: absolute;
  left: 0.5rem;
  top: 0.5rem;
  bottom: 0.5rem;
  width: 2px;
  background: linear-gradient(180deg, var(--color-accent), rgba(214, 168, 55, 0.25));
  border-radius: 2px;
}

.page-news .news-calendar__week {
  position: relative;
  display: grid;
  grid-template-columns: 5.5rem 1fr;
  gap: 0.75rem;
  align-items: baseline;
  padding: 0.625rem 0;
  border-bottom: 1px dashed rgba(247, 249, 250, 0.12);
}

.page-news .news-calendar__week:last-child {
  border-bottom: none;
}

.page-news .news-calendar__dot {
  position: absolute;
  left: -1.75rem;
  top: 1rem;
  width: 0.75rem;
  height: 0.75rem;
  border-radius: 50%;
  background: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(214, 168, 55, 0.22);
}

.page-news .news-calendar__issue {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 0.9375rem;
  color: var(--color-gold-soft);
  white-space: nowrap;
}

.page-news .news-calendar__label {
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  line-height: 1.5;
  color: rgba(247, 249, 250, 0.82);
}

.page-news .news-calendar__week--current {
  background: rgba(214, 168, 55, 0.12);
  border-radius: 8px;
  padding-left: 0.75rem;
  padding-right: 0.75rem;
  margin-left: -0.75rem;
  margin-right: -0.75rem;
}

.page-news .news-calendar__week--current .news-calendar__label {
  color: var(--color-white);
  font-weight: 600;
}

/* 订阅卡 */
.page-news .news-subscribe {
  background: linear-gradient(145deg, var(--color-gold-soft) 0%, var(--color-white) 70%);
  box-shadow: var(--shadow-card);
  border: 1px solid rgba(214, 168, 55, 0.2);
}

.page-news .news-subscribe h3 {
  color: var(--color-night);
}

.page-news .news-subscribe__desc {
  margin: 0 0 1.5rem;
  font-family: var(--font-body);
  font-size: 0.9625rem;
  line-height: 1.75;
  color: var(--color-gray);
}

.page-news .news-search {
  display: flex;
  gap: 0.625rem;
  margin-bottom: 1.5rem;
}

.page-news .news-search input {
  flex: 1;
  min-width: 0;
  border: 1px solid rgba(15, 95, 122, 0.22);
  border-radius: 10px;
  padding: 0.75rem 1rem;
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  color: var(--color-night);
  background: rgba(255, 255, 255, 0.85);
  outline: none;
  transition: border-color 0.24s ease, box-shadow 0.24s ease;
}

.page-news .news-search input:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(15, 95, 122, 0.14);
}

.page-news .news-subscribe__box {
  border: 1px dashed var(--color-sand);
  border-radius: 10px;
  padding: 1.25rem;
  margin-bottom: 1.5rem;
  background: rgba(255, 255, 255, 0.56);
}

.page-news .news-subscribe__box p {
  margin: 0.75rem 0 1rem;
  font-family: var(--font-body);
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--color-gray);
}

.page-news .news-subscribe__note {
  margin: 0;
  font-family: var(--font-body);
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--color-gray);
}

.page-news .news-subscribe__note a {
  color: var(--color-primary);
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 2px;
  transition: color 0.24s ease;
}

.page-news .news-subscribe__note a:hover {
  color: var(--color-accent);
}

/* ===== 响应式布局 ===== */
@media (min-width: 768px) {
  .page-news .news-featured__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-news .news-featured__card:first-child {
    grid-column: span 2;
    flex-direction: row;
    align-items: stretch;
  }

  .page-news .news-featured__card:first-child .news-featured__img {
    width: 46%;
    height: auto;
    min-height: 260px;
  }

  .page-news .news-featured__card:first-child .news-featured__body {
    flex: 1;
  }

  .page-news .news-update__layout {
    grid-template-columns: 1fr 1fr;
  }

  .page-news .news-directory__layout {
    grid-template-columns: 1fr;
  }
}

@media (min-width: 1024px) {
  .page-news .news-hero__trace {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
  }

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

  .page-news .news-featured__card:first-child {
    grid-column: span 1;
    flex-direction: column;
  }

  .page-news .news-featured__card:first-child .news-featured__img {
    width: 100%;
    min-height: auto;
    height: 200px;
  }

  .page-news .news-directory__layout {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 2.5rem;
  }

  .page-news .news-update__layout {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }

  .page-news .news-list__head {
    padding: 1.125rem 1.375rem;
  }

  .page-news .news-list__title {
    font-size: 1rem;
  }
}

@media (max-width: 767px) {
  .page-news .news-list__panel-inner {
    padding-left: 1.25rem;
    padding-right: 1rem;
    margin-left: 0.625rem;
  }

  .page-news .news-section-head {
    flex-direction: column;
    align-items: flex-start;
  }

  .page-news .news-search {
    flex-direction: column;
  }

  .page-news .news-calendar__week {
    grid-template-columns: 1fr;
    gap: 0.25rem;
  }

  .page-news .news-calendar__issue {
    font-size: 1rem;
  }
}

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

  .page-news .news-featured__card,
  .page-news .news-featured__card:hover {
    transform: none;
    transition: none;
  }
}