/* ===== 文章中心 · 页面专属样式 ===== */
.page-news {
  --news-red: var(--tibet-red);
  --news-gold: var(--tibet-gold);
  --news-snow: var(--snow-white);
  --news-sky: var(--sky-blue);
  --news-paper: var(--warm-paper);
  --news-ink: var(--dark-ink);
  --news-purple: var(--tibet-purple);
  --news-shadow: 6px 6px 0 rgba(44, 62, 80, 0.1);
  --news-shadow-hover: 9px 9px 0 rgba(166, 27, 41, 0.14);
  --news-border: 2px solid var(--news-ink);
  --news-border-strong: 4px solid var(--news-ink);
  background:
    radial-gradient(circle at 85% 8%, rgba(212, 175, 55, 0.12) 0, transparent 280px),
    linear-gradient(180deg, var(--news-snow) 0%, var(--news-paper) 100%);
  color: var(--news-ink);
  font-family: var(--sans);
  line-height: 1.75;
}

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

.page-news__shell {
  max-width: var(--page-width);
  margin: 0 auto;
  padding: 24px 16px 88px;
}

/* 面包屑 */
.page-news .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  margin-bottom: 28px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--cloud-gray);
  font-size: 13px;
  letter-spacing: 0.05em;
  color: var(--news-ink);
}

.page-news .breadcrumb a {
  color: var(--news-sky);
  text-decoration: none;
  font-weight: 700;
  transition: color var(--tran);
}

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

/* 报头区 */
.page-news .news-masthead {
  position: relative;
  padding: 32px 0 28px;
  border-top: var(--news-border-strong);
  border-bottom: var(--news-border);
  margin-bottom: 18px;
  background:
    repeating-linear-gradient(-45deg, transparent 0 12px, rgba(166, 27, 41, 0.05) 12px 24px);
}

.page-news .news-masthead__eyebrow {
  margin: 0 0 8px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--news-gold);
}

.page-news .news-masthead__title {
  margin: 0 0 10px;
  font-family: var(--serif);
  font-weight: 900;
  font-size: clamp(34px, 7vw, 58px);
  line-height: 1.05;
  letter-spacing: 0.02em;
  color: var(--news-red);
}

.page-news .news-masthead__lead {
  max-width: 640px;
  margin: 0;
  font-size: 16px;
  color: var(--news-ink);
}

.page-news .news-masthead__rule {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 20px;
}

.page-news .news-masthead__rule-line {
  flex: 1;
  height: 3px;
  background: linear-gradient(90deg, var(--news-gold), rgba(212, 175, 55, 0.2));
}

.page-news .news-masthead__rule-line:last-child {
  background: linear-gradient(90deg, rgba(212, 175, 55, 0.2), var(--news-gold));
}

.page-news .news-masthead__rule-diamond {
  width: 11px;
  height: 11px;
  flex-shrink: 0;
  background: var(--news-red);
  transform: rotate(45deg);
  border: var(--news-border);
}

/* 分类标签云 */
.page-news .news-topic-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 22px 0 52px;
  padding: 16px;
  background: var(--news-paper);
  border: var(--news-border);
  box-shadow: var(--shadow-2);
}

.page-news .news-topic {
  display: inline-flex;
  align-items: center;
  padding: 7px 18px;
  background: var(--news-snow);
  border: var(--news-border);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--news-ink);
  text-decoration: none;
  transition: background var(--tran), color var(--tran), transform var(--tran), box-shadow var(--tran);
}

.page-news .news-topic:hover {
  background: var(--news-red);
  color: var(--news-snow);
  transform: translateY(-2px);
  box-shadow: 3px 4px 0 rgba(44, 62, 80, 0.2);
}

.page-news .news-topic:focus-visible {
  outline: 3px solid var(--news-sky);
  outline-offset: 2px;
}

/* 文章区域 */
.page-news .news-section {
  position: relative;
  margin-bottom: 56px;
  padding: 28px 20px;
  background: var(--news-snow);
  border: var(--news-border);
  border-top-width: 7px;
  box-shadow: var(--shadow-1);
  scroll-margin-top: 24px;
  transition: box-shadow var(--tran), border-color var(--tran);
}

.page-news .news-section--latest {
  border-top-color: var(--news-red);
  border-right-color: rgba(166, 27, 41, 0.25);
}

.page-news .news-section--replay {
  border-top-color: var(--news-gold);
  border-right-color: rgba(212, 175, 55, 0.4);
}

.page-news .news-section--rank {
  border-top-color: var(--news-sky);
  border-right-color: rgba(93, 173, 226, 0.4);
}

.page-news .news-section--culture {
  border-top-color: var(--news-purple);
  border-right-color: rgba(108, 52, 131, 0.3);
}

.page-news .news-section:target {
  border-color: var(--news-gold);
  border-right-color: var(--news-gold);
  box-shadow: 0 0 0 4px rgba(212, 175, 55, 0.22);
}

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

.page-news .news-section__index {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  background: var(--news-red);
  border: var(--news-border);
  box-shadow: 3px 3px 0 rgba(44, 62, 80, 0.16);
  color: var(--news-snow);
  font-family: var(--serif);
  font-weight: 900;
  font-size: 16px;
  flex-shrink: 0;
}

.page-news .news-section--replay .news-section__index {
  background: var(--news-gold);
  color: var(--news-ink);
}

.page-news .news-section--rank .news-section__index {
  background: var(--news-sky);
  color: var(--news-snow);
}

.page-news .news-section--culture .news-section__index {
  background: var(--news-purple);
  color: var(--news-snow);
}

.page-news .news-section__title {
  margin: 0;
  font-family: var(--serif);
  font-size: 26px;
  font-weight: 900;
  letter-spacing: 0.02em;
  color: var(--news-ink);
}

.page-news .news-section__note {
  margin-left: auto;
  padding: 4px 12px;
  background: var(--news-gold);
  border: var(--news-border);
  color: var(--news-ink);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
}

.page-news .news-section__intro {
  margin: 0 0 24px;
  padding-left: 14px;
  border-left: 4px solid var(--news-sky);
  font-size: 15px;
  color: rgba(44, 62, 80, 0.82);
}

/* 文章卡片 */
.page-news .news-card {
  display: grid;
  grid-template-columns: 1fr;
  margin-bottom: 20px;
  background: var(--news-snow);
  border: var(--news-border);
  border-left: 6px solid var(--news-red);
  box-shadow: 4px 4px 0 rgba(44, 62, 80, 0.08);
  transition: transform var(--tran), box-shadow var(--tran);
}

.page-news .news-card:hover {
  transform: translate(-2px, -2px);
  box-shadow: 8px 8px 0 rgba(166, 27, 41, 0.12);
}

.page-news .news-card__media {
  position: relative;
  height: 200px;
  overflow: hidden;
  border-bottom: var(--news-border);
  background: var(--news-paper);
}

.page-news .news-card__img,
.page-news .news-feature__img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-news .news-card__badge {
  position: absolute;
  top: 10px;
  left: 10px;
  padding: 4px 10px;
  background: var(--news-red);
  border: var(--news-border);
  color: var(--news-snow);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.page-news .news-card__body {
  padding: 18px 16px 16px;
}

.page-news .news-card__title {
  margin: 0 0 8px;
  font-family: var(--serif);
  font-size: 20px;
  font-weight: 900;
  line-height: 1.4;
  color: var(--news-ink);
}

.page-news .news-card__summary {
  margin: 0 0 12px;
  font-size: 14px;
  line-height: 1.75;
  color: rgba(44, 62, 80, 0.84);
}

.page-news .news-card__details {
  margin-top: 2px;
  border-top: 1px dashed var(--cloud-gray);
  padding-top: 12px;
}

.page-news .news-card__details summary {
  cursor: pointer;
  list-style: none;
  font-size: 13px;
  font-weight: 700;
  color: var(--news-sky);
  transition: color var(--tran);
}

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

.page-news .news-card__details summary::before {
  content: "＋ ";
  color: var(--news-gold);
  font-weight: 900;
}

.page-news .news-card__details[open] summary::before {
  content: "－ ";
}

.page-news .news-card__details summary:hover {
  color: var(--news-red);
}

.page-news .news-card__details p {
  margin: 10px 0 0;
  padding: 14px;
  background: var(--news-paper);
  border-left: 4px solid var(--news-gold);
  font-size: 14px;
  line-height: 1.75;
  color: var(--news-ink);
}

.page-news .news-card__foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px solid var(--cloud-gray);
}

.page-news .news-card__date {
  font-size: 13px;
  font-weight: 700;
  color: var(--news-red);
  letter-spacing: 0.04em;
}

.page-news .news-card__foot .btn {
  padding: 6px 14px;
  font-size: 13px;
}

/* 特色展示区 */
.page-news .news-feature {
  display: grid;
  grid-template-columns: 1fr;
  margin-top: 8px;
  background: var(--news-snow);
  border: var(--news-border);
  box-shadow: var(--shadow-2);
}

.page-news .news-feature__media {
  position: relative;
  height: 220px;
  overflow: hidden;
  background: var(--news-paper);
  border-bottom: var(--news-border);
}

.page-news .news-feature--wide .news-feature__media {
  height: 180px;
}

.page-news .news-feature__content {
  padding: 20px 18px;
}

.page-news .news-feature__title {
  margin: 0 0 10px;
  font-family: var(--serif);
  font-size: 23px;
  font-weight: 900;
  line-height: 1.35;
  color: var(--news-ink);
}

.page-news .news-feature__lead {
  margin: 0 0 14px;
  font-size: 15px;
  font-weight: 700;
  color: var(--news-red);
}

.page-news .news-feature__content p {
  margin: 0 0 12px;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(44, 62, 80, 0.86);
}

.page-news .news-feature__content .btn {
  margin-top: 8px;
  padding: 8px 18px;
  font-size: 14px;
}

/* 教学步骤 */
.page-news .news-steps {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-news .news-steps__item {
  display: flex;
  gap: 12px;
  padding: 12px;
  background: var(--news-paper);
  border: var(--news-border);
}

.page-news .news-steps__no {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  width: 34px;
  height: 34px;
  background: var(--news-red);
  border: var(--news-border);
  color: var(--news-snow);
  font-family: var(--serif);
  font-weight: 900;
  font-size: 14px;
}

.page-news .news-steps h4 {
  margin: 0 0 4px;
  font-family: var(--serif);
  font-size: 16px;
  font-weight: 900;
  color: var(--news-ink);
}

.page-news .news-steps p {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: rgba(44, 62, 80, 0.78);
}

/* 心得列表 */
.page-news .news-tips {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-news .news-tips li {
  position: relative;
  padding: 12px 14px 12px 42px;
  background: var(--news-snow);
  border: var(--news-border);
  font-size: 13px;
  line-height: 1.7;
  color: rgba(44, 62, 80, 0.8);
}

.page-news .news-tips li::before {
  content: "◆";
  position: absolute;
  left: 14px;
  top: 12px;
  color: var(--news-gold);
  font-size: 14px;
}

.page-news .news-tips strong {
  display: block;
  margin-bottom: 2px;
  font-family: var(--serif);
  font-size: 15px;
  color: var(--news-red);
}

/* 引用条 */
.page-news .news-quote {
  margin: 18px 0 0;
  padding: 14px 18px;
  background: var(--news-red);
  border: var(--news-border);
  color: var(--news-snow);
  font-size: 14px;
  font-weight: 700;
  line-height: 1.75;
  box-shadow: 3px 3px 0 rgba(44, 62, 80, 0.18);
}

/* 底部联系小条 */
.page-news .news-connect {
  margin-top: 40px;
  background: var(--news-paper);
  border: var(--news-border);
  box-shadow: var(--shadow-2);
}

.page-news .news-connect__inner {
  padding: 24px 20px;
  border-left: 8px solid var(--news-gold);
}

.page-news .news-connect__title {
  margin: 0 0 8px;
  font-family: var(--serif);
  font-size: 22px;
  font-weight: 900;
  color: var(--news-red);
}

.page-news .news-connect p {
  margin: 0 0 14px;
  font-size: 14px;
  color: rgba(44, 62, 80, 0.85);
}

/* ===== 响应式：平板及以上 ===== */
@media (min-width: 760px) {
  .page-news__shell {
    padding: 32px 32px 100px;
  }

  .page-news .news-section {
    padding: 34px 30px;
  }

  .page-news .news-section__head {
    margin-bottom: 8px;
  }

  .page-news .news-section__title {
    font-size: 30px;
  }

  .page-news .news-card {
    grid-template-columns: 260px 1fr;
  }

  .page-news .news-card__media {
    height: 100%;
    min-height: 200px;
    border-bottom: none;
    border-right: var(--news-border);
  }

  .page-news .news-card__body {
    padding: 20px 24px;
  }

  .page-news .news-feature {
    grid-template-columns: 45% 1fr;
  }

  .page-news .news-feature__media {
    height: auto;
    min-height: 320px;
    border-bottom: none;
    border-right: var(--news-border);
  }

  .page-news .news-feature--reverse {
    grid-template-columns: 1fr 45%;
  }

  .page-news .news-feature--reverse .news-feature__media {
    order: 2;
    border-right: none;
    border-left: var(--news-border);
  }

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

  .page-news .news-feature--wide .news-feature__media {
    order: 0;
    height: 300px;
    min-height: 0;
    border-right: none;
    border-bottom: var(--news-border);
    border-left: none;
  }

  .page-news .news-feature__content {
    padding: 28px 30px;
  }

  .page-news .news-connect__inner {
    padding: 28px 32px;
  }
}

/* ===== 响应式：大屏 ===== */
@media (min-width: 960px) {
  .page-news .news-feature__media {
    min-height: 380px;
  }
}