.page-news {
  --news-gap: clamp(14px, 2.4vw, 22px);
  --news-pad: clamp(16px, 3vw, 26px);
  padding-block: clamp(14px, 2.6vw, 24px) clamp(48px, 8vw, 96px);
  font-family: var(--font-sans);
  color: var(--text);
}

.page-news .breadcrumb {
  margin-bottom: clamp(14px, 2.6vw, 26px);
}

/* ---------- 首屏 ---------- */

.page-news .news-masthead {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: clamp(24px, 5vw, 54px) 0 clamp(28px, 5vw, 58px);
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(120% 90% at 100% 0%, rgba(53, 224, 200, 0.13) 0%, rgba(53, 224, 200, 0) 58%),
    linear-gradient(180deg, rgba(11, 43, 38, 0) 0%, rgba(8, 31, 27, 0.62) 100%);
}

.page-news .news-masthead::before {
  content: "";
  position: absolute;
  top: -20%;
  right: -12%;
  width: clamp(200px, 44vw, 500px);
  aspect-ratio: 1;
  background: linear-gradient(140deg, rgba(201, 162, 75, 0.18), rgba(201, 162, 75, 0) 66%);
  border-left: 1px solid var(--line);
  transform: rotate(18deg);
  z-index: -1;
  pointer-events: none;
}

.page-news .news-masthead__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 4vw, 36px);
}

.page-news .news-masthead h1 {
  margin: 10px 0 14px;
  font-size: clamp(28px, 6.2vw, 54px);
  line-height: 1.14;
  letter-spacing: 0.02em;
  font-weight: 900;
  color: var(--paper);
}

.page-news .news-masthead .lede {
  margin: 0;
  max-width: 34em;
  color: var(--text);
  line-height: 1.75;
}

.page-news .news-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-news .news-stats .stat {
  background: rgba(18, 59, 51, 0.75);
  padding: 14px 16px;
}

.page-news .news-stats .stat__num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(24px, 4.6vw, 36px);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--gold-soft);
}

.page-news .news-stats .stat__label {
  display: block;
  margin-top: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.05em;
  line-height: 1.5;
  color: var(--text-dim);
}

/* ---------- 主体布局 ---------- */

.page-news .news-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 4vw, 40px);
  margin-top: clamp(26px, 5vw, 50px);
}

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

/* ---------- 侧边索引条 ---------- */

.page-news .news-toc {
  position: sticky;
  top: 0;
  z-index: 6;
  margin-inline: calc(-1 * clamp(20px, 5vw, 32px));
  padding: 2px clamp(20px, 5vw, 32px) 8px;
  background: linear-gradient(180deg, var(--ink) 70%, rgba(11, 43, 38, 0));
}

.page-news .news-toc__title {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.16em;
  color: var(--jade);
}

.page-news .news-toc__list {
  display: flex;
  gap: 4px;
  list-style: none;
  margin: 0;
  padding: 0 0 6px;
  overflow-x: auto;
  scrollbar-width: none;
}

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

.page-news .news-toc__list a {
  display: block;
  white-space: nowrap;
  padding: 7px 11px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.03em;
  color: var(--text-dim);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  border-radius: var(--radius) var(--radius) 0 0;
  transition: color 0.18s var(--ease), background-color 0.18s var(--ease), border-color 0.18s var(--ease);
}

.page-news .news-toc__list a:hover {
  color: var(--paper);
  background: rgba(53, 224, 200, 0.07);
}

.page-news .news-toc__list a[aria-current="location"] {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
  background: rgba(53, 224, 200, 0.09);
}

/* ---------- 章节 ---------- */

.page-news .news-block {
  padding-top: clamp(22px, 4vw, 38px);
  margin-top: clamp(22px, 4vw, 38px);
  border-top: 1px solid var(--line);
}

.page-news .news-block:first-child {
  margin-top: 0;
  padding-top: 0;
  border-top: 0;
}

.page-news .section-head {
  margin-bottom: var(--news-gap);
}

.page-news .section-head__title {
  margin: 6px 0 0;
  font-size: clamp(21px, 4vw, 32px);
  line-height: 1.26;
  letter-spacing: 0.02em;
  font-weight: 900;
  color: var(--paper);
}

.page-news .section-head__title::before {
  content: "";
  display: block;
  width: 36px;
  height: 2px;
  margin-bottom: 12px;
  background: var(--gold);
}

.page-news .news-block__intro {
  max-width: 34em;
  margin: 0 0 var(--news-gap);
  font-size: 15px;
  line-height: 1.78;
  color: var(--text-dim);
}

.page-news .news-note {
  margin: var(--news-gap) 0 0;
  padding-left: 14px;
  border-left: 2px solid var(--gold);
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--text-dim);
}

.page-news .news-note a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px dashed rgba(53, 224, 200, 0.5);
}

.page-news .news-note a:hover {
  border-bottom-style: solid;
}

/* ---------- 图片容器 ---------- */

.page-news .news-media {
  position: relative;
  margin: 0;
  overflow: hidden;
  border-radius: var(--radius);
  background: var(--ink-deep);
  border: 1px solid var(--line);
}

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

.page-news .news-media__label {
  position: absolute;
  left: 0;
  bottom: 0;
  padding: 5px 10px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.1em;
  color: var(--gold-soft);
  background: rgba(8, 31, 27, 0.86);
  border-top: 1px solid var(--line);
  border-top-right-radius: var(--radius);
}

.page-news .news-media--square {
  max-width: 420px;
}

.page-news .news-media--wide img {
  aspect-ratio: 3 / 2;
}

/* ---------- 标签 ---------- */

.page-news .news-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 10px;
}

/* ---------- 头条 ---------- */

.page-news .news-lead {
  display: grid;
  grid-template-columns: 1fr;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  overflow: hidden;
  background: linear-gradient(180deg, rgba(18, 59, 51, 0.92), rgba(8, 31, 27, 0.94));
  box-shadow: var(--shadow-1);
  transition: box-shadow 0.22s var(--ease), transform 0.22s var(--ease);
}

.page-news .news-lead:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-2);
}

.page-news .news-lead__media {
  border-bottom: 1px solid var(--line);
}

.page-news .news-lead .news-media {
  border: 0;
  border-radius: 0;
}

.page-news .news-lead .news-media img {
  aspect-ratio: 7 / 4;
}

.page-news .news-lead__body {
  padding: clamp(18px, 3vw, 30px);
  display: flex;
  flex-direction: column;
}

.page-news .news-lead__body h3 {
  margin: 0 0 10px;
  font-size: clamp(19px, 3.2vw, 26px);
  line-height: 1.4;
  font-weight: 900;
  letter-spacing: 0.01em;
  color: var(--paper);
}

/* ---------- 条目 ---------- */

.page-news .news-pair {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--news-gap);
  margin-top: var(--news-gap);
}

.page-news .news-item {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: var(--news-pad);
}

.page-news .news-item::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 16px;
  height: 16px;
  border-top: 1px solid var(--gold);
  border-right: 1px solid var(--gold);
  opacity: 0.75;
  pointer-events: none;
}

.page-news .news-item h3,
.page-news .pick h3 {
  margin: 0 0 8px;
  font-size: clamp(17px, 2.4vw, 20px);
  line-height: 1.45;
  font-weight: 900;
  letter-spacing: 0.01em;
  color: var(--paper);
}

.page-news .news-excerpt,
.page-news .pick p {
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--text);
}

.page-news .news-meta {
  margin: auto 0 0;
  padding-top: 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.05em;
  color: var(--text-dim);
}

.page-news .news-more {
  margin: 10px 0 0;
}

.page-news .news-more summary {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 0;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.05em;
  color: var(--cyan);
}

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

.page-news .news-more summary::before {
  content: "+";
  display: inline-block;
  width: 13px;
  text-align: center;
  transition: transform 0.2s var(--ease);
}

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

.page-news .news-more p {
  margin: 6px 0 0;
  font-size: 14.5px;
  line-height: 1.74;
  color: var(--text-dim);
}

/* 纸面卡内部配色 */

.page-news .card--paper h3 {
  color: var(--char);
}

.page-news .card--paper .news-excerpt {
  color: rgba(16, 21, 18, 0.82);
}

.page-news .card--paper .news-meta {
  color: rgba(16, 21, 18, 0.58);
  border-top: 1px dashed rgba(16, 21, 18, 0.2);
}

.page-news .card--paper .tag {
  color: var(--ink);
  border-color: rgba(16, 21, 18, 0.32);
  background: rgba(16, 21, 18, 0.06);
}

.page-news .card--paper .news-more summary {
  color: #0E6B5E;
}

.page-news .card--paper .news-more p {
  color: rgba(16, 21, 18, 0.72);
}

/* ---------- 栏目分类 ---------- */

.page-news .topic-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-news .topic-cell {
  padding: clamp(16px, 2.8vw, 22px);
  background: rgba(18, 59, 51, 0.72);
  border-top: 3px solid var(--gold);
  transition: background-color 0.2s var(--ease);
}

.page-news .topic-cell:hover {
  background: rgba(18, 59, 51, 0.96);
}

.page-news .topic-cell--cyan {
  border-top-color: var(--cyan);
}

.page-news .topic-cell--orange {
  border-top-color: var(--orange);
}

.page-news .topic-cell--gold {
  border-top-color: var(--gold);
}

.page-news .topic-cell__no {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.14em;
  color: var(--jade);
}

.page-news .topic-cell__name {
  margin: 0 0 8px;
  font-size: 17px;
  line-height: 1.4;
  font-weight: 900;
  letter-spacing: 0.02em;
  color: var(--paper);
}

.page-news .topic-cell__desc {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--text-dim);
}

/* ---------- 编辑推荐 ---------- */

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

.page-news .pick {
  display: flex;
  flex-direction: column;
  padding: var(--news-pad);
  transition: transform 0.22s var(--ease), box-shadow 0.22s var(--ease);
}

.page-news .pick:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-2);
}

.page-news .pick__media {
  margin: 0 0 14px;
}

.page-news .pick .news-meta {
  padding-top: 12px;
  border-top: 1px dashed var(--line);
}

/* ---------- 段位阶梯 ---------- */

.page-news .ladder-wrap {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(18px, 3vw, 28px);
}

.page-news .ladder-media {
  display: flex;
  justify-content: center;
}

.page-news .ladder {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-news .ladder__row {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 4px 14px;
  align-items: start;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--gold);
  border-radius: var(--radius);
  background: rgba(18, 59, 51, 0.55);
  transition: border-color 0.2s var(--ease), background-color 0.2s var(--ease);
}

.page-news .ladder__row:hover {
  border-left-color: var(--cyan);
  background: rgba(18, 59, 51, 0.85);
}

.page-news .ladder__num {
  font-family: var(--font-mono);
  font-size: 15px;
  line-height: 1.5;
  letter-spacing: 0.04em;
  color: var(--gold-soft);
}

.page-news .ladder__name {
  margin: 0 0 4px;
  font-size: 15.5px;
  font-weight: 900;
  letter-spacing: 0.02em;
  color: var(--paper);
}

.page-news .ladder__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--text-dim);
}

/* ---------- 版本归档 ---------- */

.page-news .archive-media {
  margin-bottom: var(--news-gap);
}

.page-news .archive {
  display: grid;
  gap: 10px;
}

.page-news .archive__row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
  padding: var(--news-pad);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(18, 59, 51, 0.85), rgba(8, 31, 27, 0.85));
}

.page-news .archive__month {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.1em;
  color: var(--gold);
}

.page-news .archive__body h3 {
  margin: 0 0 6px;
  font-size: 16.5px;
  line-height: 1.45;
  font-weight: 900;
  color: var(--paper);
}

.page-news .archive__body p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--text-dim);
}

/* ---------- 提问与投稿 ---------- */

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

.page-news .join-cell {
  padding: var(--news-pad);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(18, 59, 51, 0.5);
}

.page-news .join-cell--paper {
  background: var(--paper);
  border-color: rgba(16, 21, 18, 0.2);
}

.page-news .join-cell h3 {
  margin: 0 0 12px;
  font-size: 17px;
  font-weight: 900;
  letter-spacing: 0.02em;
  color: var(--paper);
}

.page-news .join-cell--paper h3 {
  color: var(--char);
}

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

.page-news .join-cell li {
  position: relative;
  padding-left: 16px;
  font-size: 14.5px;
  line-height: 1.74;
  color: var(--text);
}

.page-news .join-cell--paper li {
  color: rgba(16, 21, 18, 0.82);
}

.page-news .join-cell li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.68em;
  width: 6px;
  height: 6px;
  background: var(--gold);
  transform: rotate(45deg);
}

.page-news .join-cell--paper li::before {
  background: #A33A2E;
}

.page-news .join-cell p {
  margin: 0 0 12px;
  font-size: 14.5px;
  line-height: 1.76;
  color: var(--text);
}

.page-news .join-cell .btn {
  margin-top: 4px;
}

/* ---------- 响应式 ---------- */

@media (min-width: 640px) {
  .page-news .news-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

@media (min-width: 760px) {
  .page-news .news-pair {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: stretch;
  }

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

  .page-news .news-lead {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: stretch;
  }

  .page-news .news-lead__media {
    border-bottom: 0;
    border-right: 1px solid var(--line);
  }

  .page-news .news-lead .news-media {
    height: 100%;
  }

  .page-news .news-lead .news-media img {
    aspect-ratio: auto;
    height: 100%;
    min-height: 300px;
    object-fit: cover;
  }
}

@media (min-width: 820px) {
  .page-news .join-grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: start;
  }

  .page-news .archive__row {
    grid-template-columns: 132px minmax(0, 1fr);
    gap: 4px 24px;
    align-items: start;
  }
}

@media (min-width: 900px) {
  .page-news .ladder-wrap {
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
    align-items: start;
  }

  .page-news .ladder-media {
    justify-content: flex-start;
  }

  .page-news .news-media--square {
    max-width: 100%;
  }
}

@media (min-width: 1000px) {
  .page-news .topic-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-news .news-masthead__inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    align-items: end;
  }
}

@media (min-width: 1040px) {
  .page-news .news-layout {
    grid-template-columns: 208px minmax(0, 1fr);
    align-items: start;
  }

  .page-news .news-toc {
    position: sticky;
    top: 20px;
    margin-inline: 0;
    padding: 16px 0 0;
    background: none;
    border-top: 2px solid var(--gold);
  }

  .page-news .news-toc__list {
    flex-direction: column;
    gap: 2px;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-news .news-toc__list a {
    border-bottom: 0;
    border-left: 2px solid transparent;
    border-radius: 0 var(--radius) var(--radius) 0;
  }

  .page-news .news-toc__list a[aria-current="location"] {
    border-bottom-color: transparent;
    border-left-color: var(--cyan);
  }

  .page-news .news-block .section-head {
    position: sticky;
    top: 0;
    z-index: 4;
    padding: 14px 0 10px;
    background: linear-gradient(180deg, var(--ink) 76%, rgba(11, 43, 38, 0));
  }
}

@media (min-width: 1100px) {
  .page-news .pick-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

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

  .page-news .news-lead:hover,
  .page-news .pick:hover {
    transform: none;
  }
}