/* ===== 新闻中心 · 页面专属样式 ===== */
.page-news {
  --news-gap: 28px;
  --news-card-radius: 28px;
  background: var(--cream);
}

/* ---------- Hero 首屏区 ---------- */
.page-news .news-hero {
  position: relative;
  padding: 48px 0 56px;
  background:
    radial-gradient(ellipse 420px 260px at 85% 18%, rgba(107, 45, 139, 0.16), transparent 70%),
    linear-gradient(180deg, var(--gold-light) 0%, var(--cream) 100%);
  overflow: hidden;
}

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

.page-news .news-hero .breadcrumb {
  margin-bottom: 30px;
  font-family: var(--font-index);
  font-size: 0.85rem;
  opacity: 0.7;
}

.page-news .breadcrumb a {
  color: var(--purple);
  text-decoration: none;
  transition: color 0.3s ease;
}

.page-news .breadcrumb a:hover {
  color: var(--red-orange);
}

.page-news .news-hero__index {
  display: inline-block;
  padding-left: 12px;
  margin-bottom: 18px;
  border-left: 3px solid var(--gold);
  color: var(--purple);
  letter-spacing: 0.14em;
}

.page-news .news-hero__title {
  margin: 0 0 16px;
  font-size: clamp(2.3rem, 6vw, 4.8rem);
  line-height: 1.06;
  color: var(--ink);
}

.page-news .news-hero__title .news-hero__accent {
  display: block;
  font-style: italic;
  font-size: 0.72em;
  margin-top: 8px;
  color: var(--purple);
}

.page-news .news-hero__subtitle {
  margin: 0 0 12px;
  font-family: var(--font-heading);
  font-size: clamp(1.05rem, 2vw, 1.5rem);
  color: var(--purple);
  letter-spacing: 0.02em;
}

.page-news .news-hero__desc {
  max-width: 640px;
  margin: 0;
  font-size: 1rem;
  line-height: 1.8;
  color: var(--ink);
  opacity: 0.78;
}

.page-news .news-hero__decoration {
  position: absolute;
  top: 56px;
  right: -50px;
  width: 260px;
  height: 260px;
  opacity: 0.5;
  z-index: 0;
  pointer-events: none;
}

.page-news .news-hero__decoration svg {
  width: 100%;
  height: 100%;
}

@media (max-width: 767px) {
  .page-news .news-hero__decoration {
    display: none;
  }
}

/* ---------- 订阅引导卡片 ---------- */
.page-news .news-subscribe {
  padding: 0 0 16px;
}

.page-news .subscribe-card {
  display: flex;
  flex-direction: column;
  gap: 24px;
  padding: 32px;
  background: var(--purple-light);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
}

.page-news .subscribe-card__content h2 {
  margin: 8px 0 12px;
  font-family: var(--font-heading);
  font-size: 1.35rem;
  color: var(--ink);
}

.page-news .subscribe-card__content p:last-child {
  margin: 0;
  font-size: 0.98rem;
  line-height: 1.75;
  color: var(--ink);
  opacity: 0.8;
}

.page-news .subscribe-card__content a {
  color: var(--purple);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-news .subscribe-card__action {
  flex-shrink: 0;
  align-self: flex-start;
}

@media (min-width: 768px) {
  .page-news .subscribe-card {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    padding: 36px 44px;
  }

  .page-news .subscribe-card__content {
    max-width: 720px;
  }
}

/* ---------- 动态列表与分类筛选 ---------- */
.page-news .news-feed {
  padding: 72px 0 0;
}

.page-news .news-feed__inner {
  display: flex;
  flex-direction: column;
}

.page-news .filter-bar {
  position: sticky;
  z-index: 20;
  top: calc(var(--header-h) + 8px);
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: nowrap;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  padding: 12px 4px 20px;
  margin-bottom: 8px;
  background: var(--cream);
  border-bottom: 1px solid transparent;
}

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

.page-news .filter-bar__title {
  flex-shrink: 0;
  margin-right: 4px;
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  color: var(--ink);
  opacity: 0.55;
}

.page-news .filter-label {
  flex-shrink: 0;
  padding: 10px 20px;
  border: 1.5px solid var(--purple);
  border-radius: var(--radius-pill);
  background: transparent;
  color: var(--purple);
  font-family: var(--font-heading);
  font-size: 0.9rem;
  line-height: 1;
  white-space: nowrap;
  cursor: pointer;
  transition:
    background-color 0.35s var(--transition-ease),
    color 0.35s var(--transition-ease),
    border-color 0.35s var(--transition-ease),
    box-shadow 0.35s var(--transition-ease);
}

.page-news .filter-label:hover {
  background: var(--purple-light);
}

.page-news #filter-all:checked ~ .filter-bar label[for="filter-all"],
.page-news #filter-version:checked ~ .filter-bar label[for="filter-version"],
.page-news #filter-company:checked ~ .filter-bar label[for="filter-company"],
.page-news #filter-industry:checked ~ .filter-bar label[for="filter-industry"],
.page-news #filter-activity:checked ~ .filter-bar label[for="filter-activity"],
.page-news #filter-tech:checked ~ .filter-bar label[for="filter-tech"] {
  background: var(--purple);
  color: var(--white);
  border-color: var(--purple);
  box-shadow: 0 4px 14px rgba(107, 45, 139, 0.24);
}

/* ---------- 新闻卡片 ---------- */
.page-news .news-card {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  margin-bottom: var(--news-gap);
  padding: 20px;
  background: var(--white);
  border-radius: var(--news-card-radius);
  box-shadow: var(--shadow-card);
  transition:
    transform 0.4s var(--transition-ease),
    box-shadow 0.4s var(--transition-ease);
  animation: news-card-fade-in 0.45s var(--transition-ease) both;
}

.page-news .news-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-hover);
}

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

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

.page-news .news-card__media {
  min-height: 0;
  overflow: hidden;
  border-radius: 20px;
}

.page-news .news-card__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 20px;
}

.page-news .news-card__placeholder {
  width: 100%;
  min-height: 200px;
}

.page-news .news-card__placeholder svg {
  display: block;
  width: 100%;
  height: 100%;
  border-radius: 20px;
}

.page-news .news-card__content {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
}

.page-news .news-card__meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
}

.page-news .news-card__time {
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  color: var(--ink);
  opacity: 0.55;
}

.page-news .news-card__title {
  margin: 0 0 12px;
  font-family: var(--font-heading);
  font-size: 1.25rem;
  line-height: 1.4;
  color: var(--ink);
}

.page-news .news-card__title a {
  color: inherit;
  text-decoration: none;
  transition: color 0.3s ease;
}

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

.page-news .news-card__summary {
  margin: 0 0 16px;
  font-size: 0.98rem;
  line-height: 1.75;
  color: var(--ink);
  opacity: 0.78;
}

.page-news .news-card__link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: auto;
  color: var(--purple);
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 600;
  text-decoration: none;
  transition:
    color 0.3s ease,
    gap 0.3s ease;
}

.page-news .news-card__link:hover {
  gap: 10px;
  color: var(--red-orange);
}

/* 分类过滤：纯 CSS 渐进增强 */
.page-news #filter-version:checked ~ .news-card:not([data-category="version"]),
.page-news #filter-company:checked ~ .news-card:not([data-category="company"]),
.page-news #filter-industry:checked ~ .news-card:not([data-category="industry"]),
.page-news #filter-activity:checked ~ .news-card:not([data-category="activity"]),
.page-news #filter-tech:checked ~ .news-card:not([data-category="tech"]) {
  display: none;
}

@media (min-width: 768px) {
  .page-news .news-card {
    grid-template-columns: minmax(220px, 300px) 1fr;
    gap: 28px;
    padding: 24px;
  }

  .page-news .news-card--reverse {
    grid-template-columns: 1fr minmax(220px, 300px);
  }

  .page-news .news-card--reverse .news-card__media {
    grid-column: 2;
    grid-row: 1;
  }

  .page-news .news-card--reverse .news-card__content {
    grid-column: 1;
    grid-row: 1;
  }

  .page-news .news-card__media {
    min-height: 220px;
  }

  .page-news .news-card__placeholder {
    min-height: 220px;
  }
}

@media (min-width: 1024px) {
  .page-news .news-feed {
    padding-top: 96px;
  }
}

@keyframes news-card-fade-in {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ---------- 底部反馈横幅 ---------- */
.page-news .news-feedback {
  padding: 72px 0 96px;
}

.page-news .feedback-banner {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 28px;
  padding: 40px 32px;
  overflow: hidden;
  border-radius: 32px;
  background: linear-gradient(135deg, var(--green-deep) 0%, #1f3d31 100%);
  color: var(--cream);
  box-shadow: 0 12px 40px rgba(46, 77, 63, 0.24);
}

.page-news .feedback-banner::after {
  content: "";
  position: absolute;
  top: -80px;
  right: -80px;
  width: 240px;
  height: 240px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(212, 175, 55, 0.35), transparent 70%);
  pointer-events: none;
}

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

.page-news .feedback-banner__index {
  display: inline-block;
  margin-bottom: 12px;
  color: var(--gold);
  letter-spacing: 0.14em;
}

.page-news .feedback-banner__content h2 {
  margin: 0 0 12px;
  font-family: var(--font-heading);
  font-size: clamp(1.5rem, 3vw, 2rem);
  color: var(--white);
}

.page-news .feedback-banner__content p:last-child {
  margin: 0;
  font-size: 1rem;
  line-height: 1.8;
  opacity: 0.9;
}

.page-news .feedback-banner__content strong {
  color: var(--gold);
  font-weight: 700;
}

.page-news .feedback-banner__actions {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.page-news .feedback-banner__actions .btn-outline {
  border-color: var(--gold);
  color: var(--gold);
}

.page-news .feedback-banner__actions .btn-outline:hover {
  background: rgba(212, 175, 55, 0.15);
}

@media (min-width: 768px) {
  .page-news .feedback-banner {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    padding: 48px 56px;
  }

  .page-news .feedback-banner__content {
    max-width: 680px;
  }

  .page-news .feedback-banner__actions {
    flex-shrink: 0;
  }
}

@media (min-width: 1024px) {
  .page-news .news-feedback {
    padding-top: 96px;
  }
}