.page-news {
  --news-tick: rgba(59, 227, 220, 0.22);
  --news-hair: rgba(39, 64, 92, 0.62);
  display: block;
}

/* ---------- 面包屑 ---------- */
.page-news .breadcrumb {
  padding-block: 18px 0;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.06em;
}

.page-news .breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .breadcrumb li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--line-700);
}

.page-news .breadcrumb a {
  color: var(--mute-400);
  text-decoration: none;
  transition: color 0.2s var(--ease);
}

.page-news .breadcrumb a:hover {
  color: var(--cyan-400);
}

.page-news .breadcrumb [aria-current="page"] {
  color: var(--cyan-400);
}

/* ---------- 封面 ---------- */
.page-news .cover {
  position: relative;
  padding-top: clamp(26px, 4.5vw, 54px);
  overflow: hidden;
}

.page-news .cover::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 62%;
  background:
    radial-gradient(58% 86% at 84% 0%, rgba(59, 227, 220, 0.16), transparent 68%),
    linear-gradient(180deg, var(--ink-900), transparent 92%);
  pointer-events: none;
}

.page-news .cover__inner {
  position: relative;
  display: grid;
  gap: clamp(26px, 4vw, 48px);
  grid-template-columns: minmax(0, 1fr);
  align-items: start;
}

.page-news .cover__lead {
  position: relative;
  padding-left: clamp(18px, 3vw, 34px);
}

.page-news .cover__lead::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: linear-gradient(180deg, var(--cyan-400), rgba(59, 227, 220, 0) 86%);
}

.page-news .cover__lead::after {
  content: "";
  position: absolute;
  left: -3px;
  top: 8px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--cyan-400);
  box-shadow: 0 0 12px rgba(59, 227, 220, 0.7);
}

.page-news .cover__issue {
  display: inline-block;
  margin: 0 0 18px;
  padding: 6px 12px;
  border: 1px solid rgba(59, 227, 220, 0.4);
  border-radius: var(--radius);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--cyan-400);
}

.page-news .cover__index {
  list-style: none;
  margin: clamp(24px, 3vw, 36px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 1px;
  background: var(--line-700);
  border: 1px solid var(--line-700);
}

.page-news .cover__index li {
  background: var(--ink-900);
}

.page-news .cover__index a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 14px 16px;
  font-size: 14px;
  font-weight: 500;
  color: var(--paper-050);
  text-decoration: none;
  transition: background 0.2s var(--ease), color 0.2s var(--ease);
}

.page-news .cover__index a::after {
  content: "↓";
  font-family: var(--mono);
  font-size: 12px;
  color: var(--cyan-400);
}

.page-news .cover__index a:hover {
  background: var(--ink-800);
  color: var(--cyan-400);
}

.page-news .cover__panel {
  position: relative;
  padding: 22px 22px 18px;
  border: 1px solid var(--line-700);
  background: linear-gradient(180deg, var(--ink-900), var(--ink-950));
}

.page-news .cover__panel::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 58px;
  height: 2px;
  background: var(--amber-500);
}

.page-news .cover__panel-label {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--amber-300);
}

.page-news .cover__facts {
  margin: 0;
}

.page-news .cover__facts > div {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px dashed var(--news-hair);
}

.page-news .cover__facts > div:last-child {
  border-bottom: 0;
}

.page-news .cover__facts dt {
  font-size: 13px;
  color: var(--mute-400);
}

.page-news .cover__facts dd {
  margin: 0;
  font-family: var(--mono);
  font-size: 14px;
  color: var(--paper-050);
  text-align: right;
}

.page-news .cover__media {
  position: relative;
  margin-top: clamp(28px, 4vw, 52px);
}

.page-news .cover__media .media {
  margin: 0;
  border: 1px solid var(--line-700);
  aspect-ratio: 16 / 7;
  overflow: hidden;
}

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

/* ---------- 本期要目 ---------- */
.page-news .digest {
  list-style: none;
  margin: clamp(26px, 3.6vw, 42px) 0 0;
  padding: 0;
  border-top: 1px solid var(--line-700);
}

.page-news .digest__item {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  column-gap: 14px;
  row-gap: 10px;
  padding: 18px 0;
  border-bottom: 1px solid var(--news-hair);
}

.page-news .digest__num {
  grid-column: 1;
  grid-row: 1;
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--cyan-400);
}

.page-news .digest__text {
  grid-column: 2;
}

.page-news .digest__tag {
  grid-column: 2;
  justify-self: start;
}

.page-news .digest__title {
  margin: 0 0 6px;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.5;
  letter-spacing: -0.01em;
}

.page-news .digest__title a {
  color: var(--paper-050);
  text-decoration: none;
  background-image: linear-gradient(var(--cyan-400), var(--cyan-400));
  background-repeat: no-repeat;
  background-position: 0 100%;
  background-size: 0% 1px;
  transition: color 0.2s var(--ease), background-size 0.28s var(--ease);
}

.page-news .digest__title a:hover {
  color: var(--cyan-400);
  background-size: 100% 1px;
}

.page-news .digest__desc {
  margin: 0;
  max-width: 60ch;
  font-size: 14px;
  line-height: 1.72;
  color: var(--mute-400);
}

/* ---------- 专题系列 ---------- */
.page-news .series-layout {
  display: grid;
  gap: clamp(24px, 3.6vw, 40px);
  margin-top: clamp(26px, 3.6vw, 42px);
}

.page-news .series__visual {
  margin: 0;
  border: 1px solid var(--line-700);
  aspect-ratio: 10 / 7;
  overflow: hidden;
  background: var(--ink-800);
}

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

.page-news .series .tabs__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line-700);
}

.page-news .series .tab {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 16px;
  border: 1px solid var(--line-700);
  border-radius: var(--radius);
  background: transparent;
  color: var(--mute-400);
  font: inherit;
  font-size: 14px;
  cursor: pointer;
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease), background 0.18s var(--ease);
}

.page-news .series .tab:hover {
  color: var(--paper-050);
  border-color: var(--cyan-650);
}

.page-news .series .tab[aria-selected="true"] {
  color: var(--ink-950);
  background: var(--cyan-400);
  border-color: var(--cyan-400);
}

.page-news .series .tab__idx {
  font-size: 11px;
  opacity: 0.85;
}

.page-news .series .tab-panel {
  padding-top: clamp(18px, 2.6vw, 26px);
}

.page-news .entries {
  list-style: none;
  margin: 0;
  padding: 0;
  border: 1px solid var(--line-700);
  background: var(--ink-900);
}

.page-news .entry {
  position: relative;
  padding: 20px 22px 20px 34px;
}

.page-news .entry + .entry {
  border-top: 1px solid var(--line-700);
}

.page-news .entry::before {
  content: "";
  position: absolute;
  left: 20px;
  top: 26px;
  width: 2px;
  height: 14px;
  background: var(--cyan-400);
}

.page-news .entry__title {
  margin: 0 0 8px;
  font-size: 15.5px;
  font-weight: 700;
  line-height: 1.55;
  color: var(--paper-050);
}

.page-news .entry__desc {
  margin: 0 0 10px;
  max-width: 62ch;
  font-size: 13.5px;
  line-height: 1.76;
  color: var(--body-text);
}

.page-news .entry__meta {
  margin: 0;
  font-size: 11.5px;
  letter-spacing: 0.05em;
  color: var(--mute-400);
}

/* ---------- 条目变更速览 ---------- */
.page-news .changes-layout {
  display: grid;
  gap: clamp(24px, 3.6vw, 42px);
  margin-top: clamp(26px, 3.6vw, 42px);
  align-items: start;
}

.page-news .changes__visual {
  margin: 0;
  border: 1px solid var(--line-700);
  aspect-ratio: 3 / 2;
  overflow: hidden;
  background: var(--ink-800);
}

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

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

.page-news .change:first-child {
  border-top: 1px solid var(--news-hair);
}

.page-news .change .fold__summary {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 8px 14px;
  align-items: center;
  padding: 16px 0;
  cursor: pointer;
  list-style: none;
  transition: color 0.18s var(--ease);
}

.page-news .change .fold__summary::-webkit-details-marker {
  display: none;
}

.page-news .change .fold__summary:hover .change__title {
  color: var(--cyan-400);
}

.page-news .change__title {
  font-size: 15px;
  font-weight: 600;
  line-height: 1.55;
  color: var(--paper-050);
  transition: color 0.18s var(--ease);
}

.page-news .change__batch {
  grid-column: 2;
  font-size: 11.5px;
  letter-spacing: 0.05em;
  color: var(--mute-400);
}

.page-news .change .fold__body {
  padding: 0 0 18px;
}

.page-news .change .fold__body p {
  margin: 0;
  max-width: 58ch;
  font-size: 14px;
  line-height: 1.76;
  color: var(--body-text);
}

/* ---------- 常查阅主题 ---------- */
.page-news .rank {
  list-style: none;
  margin: clamp(26px, 3.6vw, 42px) 0 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-news .rank__item {
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr);
  align-items: center;
  gap: 4px 14px;
  padding: 15px 18px;
  border-left: 2px solid var(--line-700);
  background: var(--ink-900);
  transition: border-color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-news .rank__item:hover {
  border-left-color: var(--cyan-400);
  background: var(--ink-800);
}

.page-news .rank__idx {
  grid-column: 1;
  grid-row: 1 / span 2;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--cyan-400);
}

.page-news .rank__title {
  grid-column: 2;
  margin: 0;
  font-size: 15.5px;
  font-weight: 600;
  line-height: 1.5;
}

.page-news .rank__title a {
  color: var(--paper-050);
  text-decoration: none;
  transition: color 0.2s var(--ease);
}

.page-news .rank__title a:hover {
  color: var(--cyan-400);
}

.page-news .rank__bar {
  grid-column: 2;
  display: block;
  height: 4px;
  overflow: hidden;
  background: rgba(39, 64, 92, 0.6);
}

.page-news .rank__bar i {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, var(--cyan-650), var(--cyan-400));
}

.page-news .rank__item:nth-child(1) .rank__bar i { width: 96%; }
.page-news .rank__item:nth-child(2) .rank__bar i { width: 82%; }
.page-news .rank__item:nth-child(3) .rank__bar i { width: 71%; }
.page-news .rank__item:nth-child(4) .rank__bar i { width: 58%; }
.page-news .rank__item:nth-child(5) .rank__bar i { width: 44%; }

.page-news .rank__item:nth-child(-n+3) {
  border-left-color: var(--amber-500);
}

.page-news .rank__item:nth-child(-n+3) .rank__idx {
  color: var(--amber-300);
}

.page-news .rank__item:nth-child(-n+3) .rank__bar i {
  background: linear-gradient(90deg, var(--cyan-650), var(--amber-500));
}

.page-news .rank__visual {
  margin: clamp(26px, 3.4vw, 38px) 0 0;
  border: 1px solid var(--line-700);
  aspect-ratio: 2 / 1;
  overflow: hidden;
}

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

/* ---------- 投稿与纠错 ---------- */
.page-news .feedback {
  display: grid;
  gap: clamp(24px, 3.6vw, 44px);
  align-items: start;
  margin-top: clamp(20px, 3vw, 34px);
}

.page-news .feedback__list {
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 1px;
  border-top: 1px solid var(--news-hair);
}

.page-news .feedback__list li {
  position: relative;
  padding: 12px 0 12px 22px;
  border-bottom: 1px solid var(--news-hair);
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--body-text);
}

.page-news .feedback__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 20px;
  width: 12px;
  height: 2px;
  background: var(--cyan-400);
}

.page-news .feedback__hint {
  margin: 16px 0 0;
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--mute-400);
}

.page-news .feedback__card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 12px;
}

.page-news .feedback__mail {
  margin: 0;
  font-size: 15px;
  letter-spacing: 0.02em;
  color: var(--cyan-400);
  word-break: break-all;
}

.page-news .feedback__card .btn--block {
  margin-top: 4px;
}

.page-news .copy-state {
  min-height: 1em;
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--amber-300);
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-news .digest__item {
    grid-template-columns: 56px minmax(0, 1fr) auto;
    column-gap: 24px;
    align-items: center;
  }

  .page-news .digest__num {
    align-self: start;
    padding-top: 4px;
  }

  .page-news .digest__tag {
    grid-column: 3;
    align-self: start;
    margin-top: 4px;
  }
}

@media (min-width: 900px) {
  .page-news .cover__inner {
    grid-template-columns: minmax(0, 1.6fr) minmax(0, 0.85fr);
    gap: clamp(32px, 5vw, 64px);
  }

  .page-news .changes-layout {
    grid-template-columns: minmax(0, 0.78fr) minmax(0, 1.22fr);
  }

  .page-news .feedback {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 0.85fr);
  }
}

@media (min-width: 1000px) {
  .page-news .series-layout {
    grid-template-columns: 300px minmax(0, 1fr);
    align-items: start;
  }

  .page-news .series__visual {
    position: sticky;
    top: calc(var(--header-h) + 26px);
  }
}

@media (min-width: 1040px) {
  .page-news .change .fold__summary {
    grid-template-columns: auto minmax(0, 1fr) auto;
    column-gap: 18px;
  }

  .page-news .change__batch {
    grid-column: 3;
    white-space: nowrap;
  }
}

@media (max-width: 420px) {
  .page-news .cover__facts dd {
    font-size: 13px;
  }

  .page-news .rank__item {
    grid-template-columns: 24px minmax(0, 1fr);
    padding: 14px 14px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news * {
    transition: none !important;
    animation: none !important;
  }
}
</>