.page-news {
  --news-tag-nav: #35C4C8;
  --news-tag-data: #F08238;
  --news-tag-ver: #E0A83A;
  --news-tag-test: #C92C33;
  --news-gap: clamp(28px, 5vw, 64px);
}

.page-news .news-crumbs {
  padding-top: 20px;
}

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  padding-block: clamp(22px, 4vw, 44px) clamp(30px, 5vw, 68px);
}

.page-news .news-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

.page-news .news-hero__side {
  display: flex;
  align-items: center;
  gap: 14px;
  order: -1;
}

.page-news .news-hero__mark {
  font-size: var(--fs-1);
  letter-spacing: .24em;
  color: var(--barley);
}

.page-news .news-hero__rot {
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--mist);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.page-news .news-hero__body h1 {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(30px, 5.4vw, 62px);
  line-height: 1.16;
  letter-spacing: -0.02em;
  color: var(--glass);
  max-width: 22ch;
}

.page-news .news-hero__body .lead {
  margin-top: 18px;
  max-width: 60ch;
}

.page-news .news-hero__stats {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-top: 30px;
  padding-top: 22px;
  border-top: 2px solid var(--saffron);
}

.page-news .news-hero__stats .stat {
  display: flex;
  align-items: baseline;
  gap: 12px;
}

.page-news .news-hero__stats .stat__num {
  font-size: clamp(26px, 4vw, 44px);
  font-weight: 700;
  color: var(--barley);
  letter-spacing: -0.01em;
}

.page-news .news-hero__stats .stat__label {
  font-size: var(--fs-1);
  color: var(--mist);
}

/* ---------- 章节通用 ---------- */
.page-news .news-chapter {
  padding-block: var(--news-gap);
}

.page-news .chapter__band {
  margin-bottom: 26px;
}

.page-news .news-head {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.page-news .news-head .chapter__num {
  font-size: clamp(30px, 5vw, 52px);
  line-height: 1;
  color: var(--saffron);
  flex: 0 0 auto;
}

.page-news .news-head__text {
  padding-top: 4px;
}

.page-news .news-head__text .chapter__title {
  margin: 0;
  font-size: clamp(24px, 3.6vw, 42px);
  line-height: 1.2;
}

.page-news .news-head__text .chapter__label {
  margin-top: 8px;
}

.page-news .news-intro {
  margin-top: 18px;
  max-width: 62ch;
  color: var(--mist);
  font-size: var(--fs-2);
  line-height: 1.75;
}

.page-news .chapter--paper .news-intro,
.page-news .chapter--paper .news-head__text .chapter__label {
  color: #5C6B79;
}

/* ---------- 置顶三篇 ---------- */
.page-news .news-top {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
  margin-top: 34px;
}

.page-news .news-top__item {
  border-left: 2px solid var(--saffron);
  padding-left: 18px;
}

.page-news .news-top__fig {
  margin: 0 0 16px;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--ink-2);
}

.page-news .news-top__fig img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-news .news-top__item:last-child .news-top__fig img {
  aspect-ratio: 8 / 5;
}

.page-news .news-top__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-news .news-tag {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 12px;
  line-height: 1.5;
  border: 1px solid var(--line);
  color: var(--mist);
}

.page-news .news-tag--nav {
  border-color: var(--news-tag-nav);
  color: var(--news-tag-nav);
}

.page-news .news-tag--data {
  border-color: var(--news-tag-data);
  color: var(--news-tag-data);
}

.page-news .news-tag--ver {
  border-color: var(--news-tag-ver);
  color: var(--news-tag-ver);
}

.page-news .news-tag--test {
  border-color: var(--news-tag-test);
  color: #F0A0A6;
}

.page-news .news-tag--plain {
  color: var(--mist);
}

.page-news .news-top__title {
  margin: 14px 0 10px;
  font-size: clamp(20px, 2.6vw, 28px);
  line-height: 1.35;
  color: var(--glass);
  font-weight: 700;
}

.page-news .news-top__desc {
  margin: 0;
  color: var(--mist);
  line-height: 1.75;
  font-size: var(--fs-2);
}

/* ---------- 栏目分类列表 ---------- */
.page-news .news-filter {
  margin-top: 26px;
}

.page-news .news-cat {
  margin-top: 40px;
}

.page-news .news-cat:first-of-type {
  margin-top: 30px;
}

.page-news .news-cat__label {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: var(--fs-1);
  letter-spacing: .08em;
  color: var(--paper-ink);
  padding-bottom: 12px;
  border-bottom: 2px solid rgba(38, 49, 61, .18);
}

.page-news .chapter:not(.chapter--paper) .news-cat__label {
  color: var(--glass);
  border-bottom-color: var(--line);
}

.page-news .news-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex: 0 0 auto;
}

.page-news .news-dot--nav { background: var(--news-tag-nav); }
.page-news .news-dot--data { background: var(--news-tag-data); }
.page-news .news-dot--ver { background: var(--news-tag-ver); }
.page-news .news-dot--test { background: var(--news-tag-test); }

.page-news .news-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-news .news-item {
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr);
  gap: 14px;
  padding: 22px 0 20px;
  border-bottom: 1px dashed rgba(179, 37, 43, .38);
  transition: transform .22s ease, background-color .22s ease;
}

.page-news .chapter--paper .news-item {
  border-bottom-color: rgba(110, 27, 46, .28);
}

.page-news .news-item:hover,
.page-news .news-item:focus-within {
  transform: translateX(4px);
}

.page-news .news-item__num {
  font-size: clamp(22px, 3vw, 34px);
  line-height: 1.1;
  font-weight: 700;
  color: var(--saffron);
  letter-spacing: -0.02em;
}

.page-news .chapter:not(.chapter--paper) .news-item__num {
  color: var(--barley);
}

.page-news .news-item__title {
  margin: 0 0 8px;
  font-size: var(--fs-3);
  line-height: 1.4;
  font-weight: 700;
}

.page-news .news-item__title a {
  color: var(--paper-ink);
  text-decoration: none;
}

.page-news .chapter:not(.chapter--paper) .news-item__title a {
  color: var(--glass);
}

.page-news .news-item__desc {
  margin: 0;
  font-size: var(--fs-2);
  line-height: 1.7;
  color: #55636F;
  max-width: 56ch;
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

.page-news .chapter:not(.chapter--paper) .news-item__desc {
  color: var(--mist);
}

.page-news .news-item:hover .news-item__desc,
.page-news .news-item:focus-within .news-item__desc {
  -webkit-line-clamp: unset;
}

.page-news .news-item__meta {
  margin: 12px 0 0;
  font-size: 12px;
  letter-spacing: .08em;
  color: #7A8896;
}

.page-news .chapter:not(.chapter--paper) .news-item__meta {
  color: var(--mist);
}

.page-news .news-banner {
  margin: clamp(30px, 5vw, 52px) 0 0;
}

/* ---------- 两级筛选 ---------- */
.page-news .news-picker {
  margin-top: 30px;
  padding: clamp(22px, 3.4vw, 36px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(150deg, rgba(19, 43, 69, .9), rgba(11, 27, 43, .55));
  backdrop-filter: blur(6px);
}

.page-news .news-picker__row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  padding-block: 14px;
}

.page-news .news-picker__row + .news-picker__row {
  border-top: 1px solid var(--line-soft);
}

.page-news .news-picker__legend {
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--barley);
}

.page-news .news-picker__pills {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-news .news-pill {
  appearance: none;
  border: 1px solid var(--line);
  background: rgba(232, 240, 247, .04);
  color: var(--mist);
  font: inherit;
  font-size: var(--fs-1);
  padding: 7px 15px;
  border-radius: 999px;
  cursor: pointer;
  transition: color .2s ease, border-color .2s ease, background-color .2s ease;
}

.page-news .news-pill:hover {
  color: var(--glass);
  border-color: var(--barley);
}

.page-news .news-pill[aria-pressed="true"] {
  background: var(--barley);
  border-color: var(--barley);
  color: var(--ink);
  font-weight: 600;
}

.page-news .news-pill:focus-visible {
  outline: 2px solid var(--barley);
  outline-offset: 2px;
}

.page-news .news-picker__hint {
  margin: 18px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--line-soft);
  font-size: var(--fs-1);
  color: var(--mist);
  line-height: 1.7;
}

/* ---------- 条目结构三格 ---------- */
.page-news .news-anatomy {
  margin-top: 32px;
  gap: 20px;
}

.page-news .news-anatomy__cell {
  padding: 22px 20px 24px;
  border-radius: var(--radius);
  background: #FFFFFF;
  border: 1px solid rgba(38, 49, 61, .12);
  border-top: 3px solid var(--saffron);
}

.page-news .news-anatomy__num {
  display: block;
  font-size: var(--fs-4);
  font-weight: 700;
  color: var(--saffron);
  letter-spacing: .04em;
}

.page-news .news-anatomy__title {
  margin: 10px 0 10px;
  font-size: var(--fs-3);
  color: var(--paper-ink);
  font-weight: 700;
}

.page-news .news-anatomy__cell p {
  margin: 0;
  font-size: var(--fs-2);
  line-height: 1.75;
  color: #4E5C69;
}

.page-news .news-readtime {
  margin-top: 34px;
  padding-top: 24px;
  border-top: 1px solid rgba(38, 49, 61, .14);
  display: grid;
  gap: 18px;
}

.page-news .news-readtime__text {
  margin: 0;
  max-width: 62ch;
  font-size: var(--fs-2);
  line-height: 1.75;
  color: #4E5C69;
}

.page-news .news-readtime__links {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
}

.page-news .chapter--paper .link-sweep {
  color: var(--wine);
}

/* ---------- 投稿通道 ---------- */
.page-news .news-submit {
  margin-top: 30px;
  gap: 28px;
}

.page-news .news-submit__main p {
  margin: 0 0 16px;
  font-size: var(--fs-2);
  line-height: 1.8;
  color: var(--mist);
  max-width: 56ch;
}

.page-news .news-submit__main .btn {
  margin-top: 8px;
}

.page-news .news-submit__side {
  padding: 24px 22px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  border-left: 3px solid var(--barley);
  background: rgba(19, 43, 69, .72);
}

.page-news .news-submit__side-title {
  margin: 0 0 14px;
  font-size: var(--fs-3);
  color: var(--glass);
  font-weight: 700;
}

.page-news .news-submit__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-news .news-submit__list li {
  position: relative;
  padding-left: 18px;
  font-size: var(--fs-2);
  line-height: 1.65;
  color: var(--mist);
}

.page-news .news-submit__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .65em;
  width: 8px;
  height: 2px;
  background: var(--saffron);
}

.page-news .news-submit__note {
  margin: 18px 0 0;
  font-size: var(--fs-1);
  line-height: 1.7;
  color: var(--mist);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-news .news-hero__stats {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 22px;
  }

  .page-news .news-picker__row {
    grid-template-columns: 96px minmax(0, 1fr);
    align-items: start;
    gap: 18px;
  }

  .page-news .news-readtime {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: end;
  }

  .page-news .news-item {
    grid-template-columns: 68px minmax(0, 1fr);
    gap: 22px;
  }
}

@media (min-width: 900px) {
  .page-news .news-hero__grid {
    grid-template-columns: 96px minmax(0, 1fr);
    gap: 36px;
  }

  .page-news .news-hero__side {
    flex-direction: column;
    align-items: flex-start;
    gap: 18px;
    padding-top: 12px;
  }

  .page-news .news-hero__rot {
    writing-mode: vertical-rl;
    text-orientation: mixed;
    max-height: 260px;
  }

  .page-news .news-top {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 34px 30px;
  }

  .page-news .news-top__item:first-child {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
    gap: 30px;
    align-items: center;
    padding-left: 24px;
  }

  .page-news .news-top__item:first-child .news-top__fig {
    margin: 0;
  }

  .page-news .news-anatomy {
    gap: 24px;
  }

  .page-news .news-list .news-item:nth-child(even) {
    margin-left: clamp(0px, 5vw, 64px);
  }
}

@media (min-width: 1100px) {
  .page-news .news-hero__body .lead {
    font-size: var(--fs-3);
  }

  .page-news .news-top__item:first-child {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
    gap: 44px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-item,
  .page-news .news-pill {
    transition: none;
  }

  .page-news .news-item:hover,
  .page-news .news-item:focus-within {
    transform: none;
  }
}