/* ==========================================================================
   更新动态页 /page-news 专属样式
   版式：杂志式非对称文章列表 + 深空蓝与科技银分区节奏
   ========================================================================== */

.page-news {
  color: var(--c-silver);
  background:
    radial-gradient(640px 340px at 88% 10%, rgba(46,92,184,.22), transparent 72%),
    radial-gradient(520px 280px at 6% 32%, rgba(255,106,0,.09), transparent 72%),
    var(--c-space);
}

.page-news [id] {
  scroll-margin-top: 7rem;
}

/* ---------- 面包屑与首屏标题区 ---------- */

.page-news .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: .55rem;
  align-items: center;
  padding-top: clamp(1.25rem, 3vw, 2rem);
}

.page-news .breadcrumb-item {
  font-family: var(--font-mono);
  font-size: .8rem;
  letter-spacing: .04em;
  color: rgba(229,233,240,.66);
  text-decoration: none;
  transition: color var(--dur) var(--ease);
}

.page-news .breadcrumb-item:hover {
  color: var(--c-accent);
}

.page-news .breadcrumb-item[aria-current="page"] {
  color: var(--c-accent);
}

.page-news .breadcrumb-arrow {
  color: rgba(229,233,240,.35);
}

.page-news .news-hero {
  padding-top: clamp(2rem, 5vw, 3.5rem);
  padding-bottom: clamp(1.25rem, 4vw, 2.5rem);
}

.page-news .news-eyebrow {
  font-family: var(--font-mono);
  font-size: .8rem;
  letter-spacing: .24em;
  text-transform: uppercase;
  color: var(--c-accent);
  margin: 0 0 1rem;
}

.page-news .page-title {
  color: var(--c-white);
  margin-top: 0;
}

.page-news .page-desc {
  color: rgba(229,233,240,.78);
  max-width: 48rem;
  margin: 0;
}

.page-news .news-hero-grid {
  display: grid;
  gap: 1.75rem;
  margin-top: clamp(.5rem, 2vw, 1.25rem);
}

.page-news .news-hero-note {
  position: relative;
  border: 1px solid rgba(229,233,240,.16);
  border-radius: var(--radius);
  background: rgba(22,51,122,.52);
  padding: clamp(1.4rem, 3vw, 2rem);
}

.page-news .news-hero-note::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 1.25rem;
  width: 3.5rem;
  height: 3px;
  border-radius: 0 0 4px 4px;
  background: var(--c-accent);
}

.page-news .news-hero-count {
  display: block;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(2.8rem, 6vw, 4.2rem);
  line-height: 1;
  color: var(--c-accent);
}

.page-news .news-hero-note p {
  margin: 1rem 0 0;
  font-family: var(--font-body);
  font-size: .92rem;
  line-height: 1.8;
  color: rgba(229,233,240,.78);
}

/* ---------- 章节编号（空心大字） ---------- */

.page-news .section-index {
  font-family: var(--font-mono);
  font-weight: 800;
  letter-spacing: .02em;
  line-height: 1;
  -webkit-text-stroke: 1.5px var(--c-accent);
  color: transparent;
}

@supports not (-webkit-text-stroke: 1px black) {
  .page-news .section-index {
    color: var(--c-accent);
  }
}

/* ---------- 01 精选置顶 ---------- */

.page-news .news-featured {
  padding-bottom: 0;
}

.page-news .feature-card {
  display: grid;
  margin-top: clamp(1.5rem, 4vw, 2.5rem);
  border-radius: 20px;
  overflow: hidden;
  background: linear-gradient(135deg, #10204A, #16337A);
  color: var(--c-white);
  box-shadow: 0 16px 44px rgba(6,14,34,.45);
}

.page-news .feature-media {
  position: relative;
  min-height: 240px;
  background: var(--c-navy);
}

.page-news .feature-media img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-news .feature-body {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  align-items: flex-start;
  padding: clamp(1.6rem, 4vw, 2.6rem);
}

.page-news .feature-tags {
  display: flex;
  flex-wrap: wrap;
  gap: .6rem;
  align-items: center;
}

.page-news .feature-time {
  font-family: var(--font-mono);
  font-size: .8rem;
  letter-spacing: .06em;
  color: var(--c-accent-soft);
}

.page-news .feature-title {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(1.5rem, 3.2vw, 2.25rem);
  line-height: 1.25;
  color: var(--c-white);
  margin: 0;
}

.page-news .feature-desc {
  font-family: var(--font-body);
  font-size: .98rem;
  line-height: 1.8;
  color: rgba(229,233,240,.86);
  margin: 0;
}

.page-news .feature-foot {
  width: 100%;
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  justify-content: space-between;
  margin-top: auto;
  padding-top: 1rem;
  border-top: 1px solid rgba(229,233,240,.16);
}

.page-news .feature-ref {
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .1em;
  color: rgba(229,233,240,.58);
}

/* ---------- 02/03 科技银分区 ---------- */

.page-news .news-band {
  color: var(--c-ink);
  background:
    radial-gradient(560px 300px at 0% 0%, rgba(46,92,184,.12), transparent 70%),
    linear-gradient(180deg, #EEF2F8 0%, #E5E9F0 100%);
}

.page-news .news-band .section-title {
  color: var(--c-ink);
}

.page-news .news-band .section-desc {
  color: var(--c-slate);
}

.page-news .news-filter {
  padding-top: clamp(2.5rem, 6vw, 4.5rem);
  padding-bottom: 0;
}

.page-news .news-articles {
  padding-top: clamp(1.75rem, 4vw, 3rem);
  padding-bottom: clamp(4rem, 9vw, 6.5rem);
}

/* ---------- 过滤胶囊 ---------- */

.page-news .filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: .65rem;
  margin-top: 1.5rem;
}

.page-news .filter-chip {
  font-family: var(--font-mono);
  font-size: .78rem;
  letter-spacing: .04em;
  padding: .55rem 1.1rem;
  border-radius: 999px;
  background: var(--c-white);
  color: var(--c-ink);
  border: 1px solid rgba(74,85,104,.22);
  text-decoration: none;
  box-shadow: 0 1px 3px rgba(11,26,58,.06);
  transition:
    transform var(--dur) var(--ease),
    box-shadow var(--dur) var(--ease),
    background var(--dur) var(--ease),
    color var(--dur) var(--ease);
}

.page-news .filter-chip:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(11,26,58,.12);
  background: var(--c-accent-soft);
}

.page-news .filter-chip.is-active {
  background: var(--c-accent);
  border-color: var(--c-accent);
  color: var(--c-white);
  box-shadow: 0 4px 14px rgba(255,106,0,.28);
}

.page-news .filter-tip {
  margin: 1.1rem 0 0;
  font-family: var(--font-body);
  font-size: .88rem;
  line-height: 1.7;
  color: var(--c-slate);
  max-width: 54rem;
}

/* ---------- 列表布局：主栏 + 侧栏 ---------- */

.page-news .news-layout {
  display: grid;
  gap: clamp(1.75rem, 4vw, 2.5rem);
  margin-top: clamp(1.25rem, 3vw, 2.25rem);
}

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

/* ---------- 文章分组 ---------- */

.page-news .article-group {
  margin-bottom: clamp(2.5rem, 6vw, 4.5rem);
}

.page-news .article-group:last-child {
  margin-bottom: 0;
}

.page-news .group-label {
  display: flex;
  gap: .75rem;
  align-items: center;
  margin: 0 0 1.1rem;
}

.page-news .group-label::after {
  content: "";
  flex: 1;
  height: 1px;
  background: rgba(74,85,104,.25);
}

.page-news .group-num {
  width: 2.4rem;
  height: 2.4rem;
  flex: 0 0 auto;
  border-radius: 50%;
  background: var(--c-space);
  color: var(--c-accent);
  display: grid;
  place-items: center;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: .8rem;
}

.page-news .group-label h3 {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: .05em;
  color: var(--c-ink);
  margin: 0;
}

/* ---------- 文章列表与卡片 ---------- */

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

.page-news .article-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  overflow: hidden;
  padding: clamp(1.35rem, 3vw, 1.8rem);
  background: var(--c-white);
  border: 1px solid rgba(235,238,244,.95);
  border-radius: var(--radius);
  box-shadow: 0 2px 14px rgba(11,26,58,.06);
  transition:
    transform var(--dur) var(--ease),
    box-shadow var(--dur) var(--ease),
    border-color var(--dur) var(--ease);
}

.page-news .article-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 1.25rem;
  right: 1.25rem;
  height: 3px;
  border-radius: 0 0 4px 4px;
  background: linear-gradient(90deg, var(--c-accent), rgba(255,106,0,.1));
  transform: scaleX(0);
  transform-origin: 0 0;
  transition: transform var(--dur) var(--ease);
}

.page-news .article-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 28px rgba(11,26,58,.12);
  border-color: rgba(255,106,0,.26);
}

.page-news .article-card:hover::before {
  transform: scaleX(1);
}

.page-news .article-card:focus-within {
  border-color: var(--c-info);
}

.page-news .article-media {
  aspect-ratio: 4 / 3;
  border-radius: calc(var(--radius) - 5px);
  overflow: hidden;
  background: var(--c-navy);
}

.page-news .article-media.media-square {
  aspect-ratio: 1 / 1;
}

.page-news .article-media.media-banner {
  aspect-ratio: 16 / 10;
}

.page-news .article-media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-news .article-content {
  display: flex;
  flex-direction: column;
  gap: .8rem;
  flex: 1;
}

.page-news .article-tags {
  display: flex;
  flex-wrap: wrap;
  gap: .6rem;
  align-items: center;
}

.page-news .article-tags .chip {
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .05em;
  padding: .28rem .72rem;
  border-radius: 999px;
  background: rgba(46,92,184,.1);
  color: var(--c-info);
  border: 1px solid rgba(46,92,184,.22);
}

.page-news .article-tags .chip-accent {
  background: rgba(255,106,0,.12);
  color: #D65800;
  border-color: rgba(255,106,0,.32);
}

.page-news .article-date {
  font-family: var(--font-mono);
  font-size: .76rem;
  letter-spacing: .06em;
  color: var(--c-slate);
}

.page-news .article-title {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 1.22rem;
  line-height: 1.45;
  color: var(--c-ink);
  margin: 0;
}

.page-news .article-excerpt {
  font-family: var(--font-body);
  font-size: .92rem;
  line-height: 1.75;
  color: var(--c-slate);
  margin: 0;
}

.page-news .article-foot {
  display: flex;
  flex-wrap: wrap;
  gap: .6rem;
  align-items: center;
  justify-content: space-between;
  margin-top: auto;
}

.page-news .article-ref {
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .1em;
  color: var(--c-slate);
}

.page-news .article-more {
  display: inline-flex;
  gap: .35rem;
  align-items: center;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: .86rem;
  color: var(--c-info);
  text-decoration: none;
  transition: color var(--dur) var(--ease), gap var(--dur) var(--ease);
}

.page-news .article-more:hover {
  color: var(--c-accent);
  gap: .6rem;
}

/* ---------- 侧栏 ---------- */

.page-news .news-side {
  display: grid;
  gap: 1.5rem;
  align-content: start;
}

.page-news .side-panel {
  padding: 1.5rem;
  background: var(--c-white);
  border: 1px solid rgba(235,238,244,.95);
  border-radius: var(--radius);
  box-shadow: 0 2px 14px rgba(11,26,58,.06);
}

.page-news .side-title {
  display: flex;
  gap: .6rem;
  align-items: center;
  margin: 0 0 1.1rem;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.02rem;
  color: var(--c-ink);
}

.page-news .side-title::before {
  content: "";
  width: 4px;
  height: 1.1em;
  border-radius: 2px;
  background: var(--c-accent);
}

.page-news .side-cats-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: .3rem;
}

.page-news .side-cats-list a {
  display: flex;
  gap: .75rem;
  align-items: center;
  justify-content: space-between;
  padding: .68rem .8rem;
  border-radius: 8px;
  font-family: var(--font-head);
  font-size: .9rem;
  color: var(--c-ink);
  text-decoration: none;
  transition:
    background var(--dur) var(--ease),
    color var(--dur) var(--ease),
    transform var(--dur) var(--ease);
}

.page-news .side-cats-list a:hover {
  background: var(--c-accent-soft);
  color: var(--c-space);
  transform: translateX(3px);
}

.page-news .side-cats-list a.is-active {
  background: rgba(46,92,184,.1);
  color: var(--c-info);
  font-weight: 700;
}

.page-news .side-cats-count {
  font-family: var(--font-mono);
  font-size: .72rem;
  color: var(--c-slate);
  background: var(--c-silver);
  border-radius: 999px;
  padding: .14rem .58rem;
}

.page-news .side-cats-list a:hover .side-cats-count {
  background: var(--c-white);
}

.page-news .side-sub {
  position: relative;
  overflow: hidden;
  border: none;
  background: linear-gradient(150deg, #0E1F4A, #16337A);
}

.page-news .side-sub::before {
  content: "";
  position: absolute;
  top: -34px;
  right: -34px;
  width: 92px;
  height: 92px;
  border-radius: 50%;
  background: rgba(255,106,0,.25);
}

.page-news .side-sub::after {
  content: "";
  position: absolute;
  left: -20px;
  bottom: -30px;
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: rgba(46,92,184,.4);
}

.page-news .side-sub > * {
  position: relative;
}

.page-news .side-sub-title {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 1.15rem;
  color: var(--c-white);
  margin: 0 0 .7rem;
}

.page-news .side-sub-desc {
  font-family: var(--font-body);
  font-size: .88rem;
  line-height: 1.75;
  color: rgba(229,233,240,.84);
  margin: 0 0 1rem;
}

.page-news .side-sub-mail {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: .78rem;
  color: var(--c-accent-soft);
  word-break: break-all;
  padding: .5rem .75rem;
  margin-bottom: 1rem;
  border: 1px dashed rgba(255,106,0,.5);
  border-radius: 8px;
  background: rgba(255,106,0,.1);
}

.page-news .side-sub .btn {
  width: 100%;
  justify-content: center;
}

/* ---------- 04 订阅提示 ---------- */

.page-news .subscribe-panel {
  position: relative;
  display: grid;
  gap: 1.5rem;
  align-items: center;
  overflow: hidden;
  margin-top: clamp(1.5rem, 4vw, 2.5rem);
  padding: clamp(2rem, 5vw, 3.25rem);
  border: 1px solid rgba(229,233,240,.14);
  border-radius: 20px;
  background: linear-gradient(135deg, #0F2150, #1F4898);
  box-shadow: 0 16px 44px rgba(6,14,34,.42);
}

.page-news .subscribe-panel::before {
  content: "";
  position: absolute;
  top: -7rem;
  right: -6rem;
  width: 18rem;
  height: 18rem;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255,106,0,.22), transparent 70%);
}

.page-news .subscribe-panel > * {
  position: relative;
}

.page-news .subscribe-badge {
  width: 64px;
  height: 64px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--c-accent);
  color: var(--c-white);
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1.6rem;
  box-shadow: 0 0 0 8px rgba(255,106,0,.16);
}

.page-news .subscribe-title {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(1.3rem, 3vw, 1.75rem);
  line-height: 1.4;
  color: var(--c-white);
  margin: 0 0 .7rem;
}

.page-news .subscribe-text {
  font-family: var(--font-body);
  font-size: .95rem;
  line-height: 1.8;
  color: rgba(229,233,240,.82);
  margin: 0;
  max-width: 44rem;
}

/* ---------- 平板 ≥ 760px ---------- */

@media (min-width: 760px) {
  .page-news .news-hero-grid {
    grid-template-columns: 7fr 5fr;
    align-items: end;
  }

  .page-news .feature-card {
    grid-template-columns: 1.15fr 1fr;
  }

  .page-news .article-list {
    grid-template-columns: repeat(12, 1fr);
    align-items: start;
  }

  .page-news .article-card {
    grid-column: span 6;
  }

  .page-news .article-card.span-5 {
    grid-column: span 5;
  }

  .page-news .article-card.span-7 {
    grid-column: span 7;
  }

  .page-news .article-card.span-12 {
    grid-column: 1 / -1;
  }

  .page-news .article-card.stagger {
    margin-top: clamp(1.75rem, 4vw, 3rem);
  }

  .page-news .article-card.align-right {
    grid-column: 8 / -1;
  }

  .page-news .article-horizontal {
    display: grid;
    grid-template-columns: 300px 1fr;
    column-gap: clamp(1.25rem, 3vw, 1.75rem);
    align-items: start;
  }
}

/* ---------- 桌面 ≥ 1024px ---------- */

@media (min-width: 1024px) {
  .page-news .news-layout {
    grid-template-columns: minmax(0, 1fr) 300px;
    gap: clamp(2rem, 5vw, 3rem);
  }

  .page-news .news-side {
    position: sticky;
    top: 6.5rem;
  }

  .page-news .subscribe-panel {
    grid-template-columns: auto 1fr auto;
  }
}

/* ---------- 动效偏好 ---------- */

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