.page-news {
  --news-line: rgba(16, 35, 63, 0.12);
  --news-line-ink: rgba(242, 244, 247, 0.18);
  --news-ink-text-soft: rgba(242, 244, 247, 0.8);
  padding-top: 18px;
  background: var(--paper);
  color: var(--text);
}

.page-news .breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 14px;
  color: var(--text-muted);
}

.page-news .breadcrumb__link {
  color: var(--text-muted);
  text-decoration: none;
}

.page-news .breadcrumb__link:hover {
  color: var(--orange);
}

/* ---------- 首屏 ---------- */
.page-news__open {
  margin-top: 10px;
  padding: 44px 0 52px;
  background:
    radial-gradient(120% 120% at 92% -12%, rgba(240, 128, 60, 0.26), transparent 60%),
    linear-gradient(172deg, var(--ink) 0%, var(--ink-deep) 100%);
  color: var(--ink-text);
  border-radius: 0 0 26px 26px;
}

.page-news__open-grid {
  display: grid;
  gap: 28px;
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.page-news__open-lead .eyebrow {
  color: var(--orange);
}

.page-news__open-lead h1 {
  margin: 14px 0 16px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(30px, 6vw, 52px);
  line-height: 1.2;
  color: var(--ink-text);
}

.page-news__open .lede {
  max-width: 34em;
  margin: 0;
  font-size: 17px;
  line-height: 1.85;
  color: var(--news-ink-text-soft);
}

.page-news__open-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-news__index {
  align-self: start;
  padding: 20px 22px 14px;
  border: 1px solid var(--news-line-ink);
  border-radius: var(--radius);
}

.page-news__index-title {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--orange);
}

.page-news__index-list {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news__index-list a {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding: 11px 0;
  font-size: 15px;
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px dashed rgba(16, 35, 63, 0.16);
  transition: color 0.25s ease;
}

.page-news__index-list a:hover {
  color: var(--orange);
}

.page-news__index-list li:last-child a {
  border-bottom: 0;
}

.page-news__index-list .mono {
  font-size: 12px;
  color: var(--text-muted);
}

/* ---------- 区块通用头部 ---------- */
.page-news__head {
  max-width: 42em;
  margin-bottom: 30px;
}

.page-news__head h2 {
  margin: 10px 0 12px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(24px, 4.6vw, 34px);
  line-height: 1.25;
  color: var(--ink);
}

.page-news__head .eyebrow {
  color: var(--orange);
}

.page-news__head-sub {
  margin: 0;
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-muted);
}

/* ---------- 三条内容线 ---------- */
.page-news__kinds {
  padding: 54px 0 20px;
  background: var(--paper);
}

.page-news__kind-grid {
  display: grid;
  gap: 16px;
}

.page-news__kind {
  position: relative;
  padding: 26px 22px 22px;
  background: var(--mist);
  border: 1px solid transparent;
  border-radius: var(--radius);
  transition: transform 0.35s ease, border-color 0.35s ease;
}

.page-news__kind::before {
  content: "";
  position: absolute;
  top: 0;
  left: 22px;
  width: 44px;
  height: 3px;
  border-radius: 0 0 3px 3px;
  background: var(--orange);
}

.page-news__kind:hover {
  transform: translateY(-4px);
  border-color: rgba(240, 128, 60, 0.42);
}

.page-news__kind h3 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  color: var(--ink);
}

.page-news__kind p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--text);
}

.page-news__kind .card__index {
  position: static;
  display: block;
  margin-bottom: 12px;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--orange);
}

.page-news__kind-count {
  margin-top: 16px;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--text-muted);
}

/* ---------- 案例合集 ---------- */
.page-news__cases {
  padding: 54px 0 40px;
  background: var(--paper);
}

.page-news__case-list {
  display: grid;
  gap: 24px;
}

.page-news__case {
  display: grid;
  overflow: hidden;
  background: var(--mist);
  border: 1px solid var(--news-line);
  border-radius: 20px;
}

.page-news__case-media {
  margin: 0;
  overflow: hidden;
  background: var(--ink-soft);
}

.page-news__case-media .media-frame__img {
  display: block;
  width: 100%;
  height: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.page-news__case-body {
  padding: 24px 22px 26px;
}

.page-news__case-no {
  display: block;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--orange);
}

.page-news__case-body h3 {
  margin: 10px 0 10px;
  font-family: var(--font-display);
  font-size: 23px;
  font-weight: 800;
  color: var(--ink);
}

.page-news__case-body > p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--text);
}

.page-news__case-facts {
  display: grid;
  gap: 12px;
  margin: 18px 0 0;
}

.page-news__case-facts dt {
  margin-bottom: 3px;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: #9a4f18;
}

.page-news__case-facts dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text);
}

.page-news__case-link {
  display: inline-block;
  margin-top: 18px;
  padding-bottom: 3px;
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
  text-decoration: none;
  border-bottom: 2px solid var(--orange);
  transition: color 0.25s ease;
}

.page-news__case-link:hover {
  color: var(--orange);
}

/* ---------- 案例结构 ---------- */
.page-news__anatomy {
  padding: 54px 0;
  background: var(--mist);
}

.page-news__anatomy-grid {
  display: grid;
  gap: 26px;
}

.page-news__anatomy-copy .eyebrow {
  color: var(--orange);
}

.page-news__anatomy-copy h2 {
  margin: 10px 0 14px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(24px, 4.6vw, 32px);
  line-height: 1.25;
  color: var(--ink);
}

.page-news__anatomy-copy .lede {
  max-width: 34em;
  margin: 0;
  font-size: 16.5px;
  line-height: 1.85;
  color: var(--text);
}

.page-news__steps {
  display: grid;
  gap: 16px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
  counter-reset: step;
}

.page-news__steps li {
  position: relative;
  padding-left: 48px;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--text);
}

.page-news__steps li strong {
  color: var(--ink);
}

.page-news__steps li::before {
  counter-increment: step;
  content: "0" counter(step);
  position: absolute;
  left: 0;
  top: 0;
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border: 1px solid rgba(240, 128, 60, 0.5);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--orange);
  background: var(--paper);
}

.page-news__picker {
  align-self: start;
  padding: 24px 22px;
  border: 1px solid var(--news-line);
  border-radius: var(--radius);
}

.page-news__picker h3 {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  color: var(--ink);
}

.page-news__picker ul {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news__picker li {
  position: relative;
  padding-left: 18px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text);
}

.page-news__picker li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.68em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--mint);
}

.page-news__picker a {
  color: var(--ink);
  font-weight: 600;
  text-decoration: none;
  border-bottom: 1px solid rgba(240, 128, 60, 0.6);
}

.page-news__picker a:hover {
  color: var(--orange);
}

/* ---------- 最近更新 ---------- */
.page-news__feed {
  padding: 54px 0 48px;
  background: var(--paper);
}

.page-news__feed-grid {
  display: grid;
  gap: 26px;
}

.page-news__feed-media {
  margin: 0;
  overflow: hidden;
  border-radius: var(--radius);
  background: var(--ink-soft);
}

.page-news__feed-media .media-frame__img {
  display: block;
  width: 100%;
  height: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
}

.page-news__feed-list {
  display: grid;
}

.page-news__post {
  position: relative;
  padding: 20px 4px 20px 18px;
  border-top: 1px solid var(--news-line);
  transition: background 0.3s ease;
}

.page-news__post:first-child {
  border-top: 0;
}

.page-news__post::before {
  content: "";
  position: absolute;
  left: 0;
  top: 20px;
  bottom: 20px;
  width: 2px;
  background: var(--orange);
  transform: scaleY(0);
  transform-origin: top;
  transition: transform 0.3s ease;
}

.page-news__post:hover {
  background: linear-gradient(90deg, rgba(240, 128, 60, 0.07), transparent 62%);
}

.page-news__post:hover::before,
.page-news__post:focus-within::before {
  transform: scaleY(1);
}

.page-news__post-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-bottom: 9px;
}

.page-news__tag {
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  line-height: 1.6;
}

.page-news__tag--version {
  background: var(--ink);
  color: var(--ink-text);
}

.page-news__tag--note {
  background: rgba(127, 200, 169, 0.24);
  color: #2f6b52;
}

.page-news__tag--case {
  background: var(--orange-soft);
  color: #9a4f18;
}

.page-news__time {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--text-muted);
}

.page-news__post-title {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  line-height: 1.55;
  color: var(--ink);
}

.page-news__post-summary {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-muted);
}

.page-news__post-link {
  display: inline-block;
  margin-top: 9px;
  font-size: 14px;
  color: var(--orange);
  text-decoration: none;
}

.page-news__post-link:hover {
  text-decoration: underline;
}

/* ---------- 结尾引导 ---------- */
.page-news__next {
  padding: 52px 0 56px;
  background: linear-gradient(165deg, var(--ink) 0%, var(--ink-deep) 100%);
  color: var(--ink-text);
  border-radius: 26px 26px 0 0;
}

.page-news__next h2 {
  max-width: 24em;
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(24px, 4.6vw, 32px);
  line-height: 1.3;
  color: var(--ink-text);
}

.page-news__next-grid {
  display: grid;
  gap: 14px;
  margin-top: 28px;
}

.page-news__next-card {
  display: block;
  padding: 22px 20px;
  background: rgba(250, 248, 245, 0.06);
  border: 1px solid var(--news-line-ink);
  border-radius: var(--radius);
  text-decoration: none;
  transition: border-color 0.3s ease, background 0.3s ease, transform 0.3s ease;
}

.page-news__next-card:hover {
  border-color: var(--orange);
  background: rgba(240, 128, 60, 0.12);
  transform: translateY(-3px);
}

.page-news__next-card h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  color: var(--ink-text);
}

.page-news__next-card p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--news-ink-text-soft);
}

.page-news__next-go {
  display: inline-block;
  margin-top: 14px;
  font-size: 14px;
  color: var(--orange);
}

.page-news__contact-line {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
  margin: 30px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--news-ink-text-soft);
}

.page-news__copy {
  padding: 8px 16px;
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--orange);
  background: transparent;
  border: 1px solid rgba(240, 128, 60, 0.5);
  border-radius: 999px;
  cursor: pointer;
  transition: background 0.25s ease, border-color 0.25s ease, color 0.25s ease;
}

.page-news__copy:hover {
  background: rgba(240, 128, 60, 0.16);
}

.page-news__copy.is-copied {
  border-color: var(--mint);
  color: var(--mint);
}

@media (min-width: 700px) {
  .page-news__kind-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-news__next-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-news__post-summary {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    transition: -webkit-line-clamp 0.3s ease;
  }

  .page-news__post:hover .page-news__post-summary,
  .page-news__post:focus-within .page-news__post-summary {
    -webkit-line-clamp: 6;
  }
}

@media (min-width: 900px) {
  .page-news {
    padding-top: 22px;
  }

  .page-news__open {
    padding: 62px 0 70px;
  }

  .page-news__open-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: 48px;
    align-items: start;
  }

  .page-news__kinds,
  .page-news__cases,
  .page-news__anatomy,
  .page-news__feed {
    padding-top: 70px;
    padding-bottom: 58px;
  }

  .page-news__kind-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
  }

  .page-news__kind:nth-child(2) {
    margin-top: 30px;
  }

  .page-news__kind:nth-child(3) {
    margin-top: 12px;
  }

  .page-news__case {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, 1fr);
    align-items: stretch;
  }

  .page-news__case:nth-child(even) .page-news__case-media {
    order: 2;
  }

  .page-news__case-media .media-frame__img {
    aspect-ratio: auto;
    min-height: 320px;
  }

  .page-news__case-body {
    padding: 32px 30px 34px;
  }

  .page-news__anatomy-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: 46px;
    align-items: start;
  }

  .page-news__feed-grid {
    grid-template-columns: minmax(0, 4fr) minmax(0, 7fr);
    gap: 40px;
    align-items: start;
  }

  .page-news__feed-media {
    position: sticky;
    top: 96px;
  }

  .page-news__next {
    padding: 66px 0 70px;
  }

  .page-news__next-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
  }
}

@media (min-width: 1180px) {
  .page-news__post {
    padding: 22px 6px 22px 22px;
  }

  .page-news__post-title {
    font-size: 19px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news__kind,
  .page-news__next-card,
  .page-news__post,
  .page-news__post::before,
  .page-news__index-list a,
  .page-news__copy {
    transition: none;
  }

  .page-news__kind:hover,
  .page-news__next-card:hover {
    transform: none;
  }
}