.page-news {
  --log-rule: var(--line-700);
  --log-soft-line: rgba(30, 42, 69, 0.7);
  display: block;
}

/* ---------- 首屏 ---------- */
.page-news .log-hero {
  position: relative;
  overflow: hidden;
  padding-top: clamp(24px, 4vw, 48px);
  padding-bottom: clamp(36px, 6vw, 76px);
  background:
    radial-gradient(120% 90% at 84% -14%, rgba(11, 127, 152, 0.36), transparent 58%),
    radial-gradient(90% 78% at 6% -4%, rgba(138, 107, 255, 0.2), transparent 62%),
    linear-gradient(180deg, var(--ink-800), var(--ink-900) 80%);
}

.page-news .log-hero__grid {
  display: grid;
  gap: clamp(28px, 5vw, 56px);
  margin-top: clamp(22px, 4vw, 44px);
}

.page-news .log-hero__lead h1 {
  margin: clamp(10px, 1.6vw, 18px) 0 clamp(16px, 2.6vw, 26px);
  font-size: clamp(44px, 10.5vw, 116px);
  font-weight: 300;
  line-height: 0.98;
  letter-spacing: -0.02em;
  color: var(--mist-050);
}

.page-news .log-hero__lead .lede {
  max-width: 34em;
  color: var(--slate-400);
}

.page-news .log-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 18px;
  margin-top: clamp(22px, 3vw, 34px);
}

.page-news .log-hero__side {
  border-top: 1px solid var(--log-rule);
  padding-top: 16px;
}

.page-news .log-index {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-news .log-index li {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding-bottom: 11px;
  border-bottom: 1px solid var(--log-soft-line);
  font-size: 14px;
  line-height: 1.5;
  color: var(--slate-400);
}

.page-news .log-index .data {
  font-size: 13px;
  letter-spacing: 0.06em;
  white-space: nowrap;
}

.page-news .log-banner {
  margin-top: clamp(30px, 5vw, 60px);
}

.page-news .log-banner .figure__frame {
  border: 1px solid var(--log-rule);
  background: linear-gradient(135deg, rgba(6, 43, 51, 0.6), rgba(11, 18, 38, 0.9));
}

.page-news .log-banner img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 7;
  object-fit: cover;
}

/* ---------- 栏目说明与标签 ---------- */
.page-news .log-note__grid {
  display: grid;
  gap: clamp(26px, 4vw, 52px);
}

.page-news .log-note__text .section-head__title {
  margin-top: 8px;
}

.page-news .log-tags {
  border-top: 1px solid var(--log-rule);
  padding-top: 18px;
}

.page-news .log-tags__list {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-news .log-tag,
.page-news .ltag {
  display: inline-flex;
  align-items: center;
  padding: 5px 13px;
  border-radius: 999px;
  font-size: 12px;
  letter-spacing: 0.1em;
  line-height: 1.6;
  white-space: nowrap;
  text-decoration: none;
  transition: transform 0.25s var(--ease), filter 0.25s var(--ease), background-color 0.25s var(--ease);
}

.page-news .ltag--revise {
  background: rgba(138, 107, 255, 0.18);
  color: #c5b7ff;
}

.page-news .ltag--term {
  background: rgba(56, 232, 255, 0.14);
  color: var(--cyan-400);
}

.page-news .ltag--play {
  background: rgba(245, 196, 107, 0.16);
  color: var(--gold-400);
}

.page-news .ltag--data {
  background: rgba(11, 127, 152, 0.3);
  color: #7fd9ea;
}

.page-news .ltag--topic {
  background: rgba(138, 107, 255, 0.1);
  color: #ad9cff;
}

.page-news .log-tags__list a:hover,
.page-news .log-tags__list a:focus-visible {
  filter: brightness(1.18);
  transform: translateY(-2px);
}

.page-news .log-tags__hint {
  margin: 14px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--slate-400);
}

/* ---------- 条目列表 ---------- */
.page-news .log-list {
  list-style: none;
  margin: clamp(24px, 4vw, 42px) 0 0;
  padding: 0;
  border-top: 1px solid var(--log-rule);
}

.page-news .log-item {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  gap: 8px 22px;
  padding: clamp(20px, 3vw, 30px) 0;
  border-bottom: 1px solid var(--log-rule);
  transition: background-color 0.3s var(--ease);
}

.page-news .log-item::before {
  content: "";
  position: absolute;
  left: -8px;
  top: clamp(26px, 3vw, 36px);
  width: 0;
  height: 1px;
  background: var(--cyan-400);
  transition: width 0.32s var(--ease);
}

.page-news .log-item:hover,
.page-news .log-item:focus-within {
  background-color: rgba(56, 232, 255, 0.03);
}

.page-news .log-item:hover::before,
.page-news .log-item:focus-within::before {
  width: 20px;
}

.page-news .log-list > .log-item:nth-child(5) {
  box-shadow: 0 1px 0 0 rgba(56, 232, 255, 0.28);
}

.page-news .log-no {
  flex: 0 0 auto;
  min-width: 32px;
  padding-top: 3px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--cyan-700);
}

.page-news .log-item:hover .log-no {
  color: var(--cyan-400);
}

.page-news .log-main {
  flex: 1 1 300px;
  min-width: 0;
  display: flex;
  align-items: flex-start;
  gap: clamp(16px, 2vw, 28px);
}

.page-news .log-text {
  flex: 1 1 auto;
  min-width: 0;
}

.page-news .log-title {
  margin: 0 0 8px;
  font-size: clamp(17px, 2vw, 21px);
  font-weight: 400;
  line-height: 1.5;
  color: var(--mist-050);
}

.page-news .log-sum {
  margin: 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--slate-400);
}

.page-news .log-thumb {
  flex: 0 0 clamp(62px, 11vw, 92px);
  margin: 0;
  border: 1px solid var(--log-rule);
  overflow: hidden;
}

.page-news .log-thumb img {
  display: block;
  width: 100%;
  height: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
}

.page-news .log-item > .log-tag {
  flex: 0 0 auto;
  margin-top: 3px;
}

.page-news .log-time {
  flex: 0 0 auto;
  margin-top: 4px;
  font-size: 12.5px;
  letter-spacing: 0.08em;
  white-space: nowrap;
}

.page-news .log-top {
  margin: 22px 0 0;
  text-align: right;
  font-size: 13px;
}

.page-news .log-top a {
  color: var(--slate-400);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.25s var(--ease), border-color 0.25s var(--ease);
}

.page-news .log-top a:hover,
.page-news .log-top a:focus-visible {
  color: var(--cyan-400);
  border-bottom-color: var(--cyan-400);
}

/* ---------- 专题条带 ---------- */
.page-news .topic-rail {
  display: flex;
  gap: clamp(20px, 3vw, 42px);
  margin-top: clamp(22px, 4vw, 40px);
  padding-bottom: 16px;
  overflow-x: auto;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
}

.page-news .topic-rail:focus-visible {
  outline: 1px solid var(--cyan-400);
  outline-offset: 10px;
}

.page-news .topic-rail::-webkit-scrollbar {
  height: 4px;
}

.page-news .topic-rail::-webkit-scrollbar-track {
  background: var(--ink-800);
}

.page-news .topic-rail::-webkit-scrollbar-thumb {
  background: var(--line-700);
}

.page-news .topic-card {
  flex: 0 0 min(78%, 344px);
  scroll-snap-align: start;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 12px;
  padding-bottom: 22px;
  border-bottom: 1px solid var(--log-rule);
  transition: border-color 0.3s var(--ease);
}

.page-news .topic-card:hover {
  border-bottom-color: var(--cyan-400);
}

.page-news .topic-card h3 {
  margin: 0;
  font-size: clamp(19px, 2.2vw, 23px);
  font-weight: 400;
  line-height: 1.4;
  color: var(--mist-050);
}

.page-news .topic-card p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--slate-400);
}

.page-news .topic-progress {
  font-size: 12.5px;
  letter-spacing: 0.12em;
}

/* ---------- 编辑观察 ---------- */
.page-news .observer-panel {
  padding: clamp(24px, 4vw, 44px) clamp(20px, 4vw, 48px);
  border-left: 2px solid var(--cyan-700);
  background: linear-gradient(135deg, rgba(6, 43, 51, 0.7), rgba(11, 18, 38, 0.32) 64%);
}

.page-news .observer-panel h2 {
  margin: 10px 0 clamp(16px, 2.4vw, 24px);
  font-size: clamp(24px, 3.4vw, 38px);
  font-weight: 300;
  line-height: 1.3;
  color: var(--mist-050);
}

.page-news .observer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 26px;
  margin: clamp(18px, 2.6vw, 28px) 0 0;
  font-size: 14px;
}

.page-news .observer-links a {
  color: var(--cyan-400);
  text-decoration: none;
  border-bottom: 1px solid rgba(56, 232, 255, 0.35);
  transition: border-color 0.25s var(--ease), color 0.25s var(--ease);
}

.page-news .observer-links a:hover,
.page-news .observer-links a:focus-visible {
  color: var(--mist-050);
  border-bottom-color: var(--mist-050);
}

/* ---------- 回看 ---------- */
.page-news .lookback-grid {
  display: grid;
  gap: 1px;
  margin-top: clamp(22px, 4vw, 40px);
  background-color: var(--log-rule);
  border: 1px solid var(--log-rule);
}

.page-news .lookback-col {
  display: flex;
  flex-direction: column;
  gap: 9px;
  padding: 20px 18px;
  background-color: var(--ink-900);
}

.page-news .lookback-col__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--cyan-400);
}

.page-news .lookback-col__desc {
  margin: 0;
  flex: 1 1 auto;
  font-size: 14px;
  line-height: 1.75;
  color: var(--slate-400);
}

.page-news .lookback-col__links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 14px;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12.5px;
}

.page-news .lookback-col__links a {
  color: var(--mist-050);
  text-decoration: none;
  border-bottom: 1px solid var(--log-rule);
  transition: color 0.25s var(--ease), border-color 0.25s var(--ease);
}

.page-news .lookback-col__links a:hover,
.page-news .lookback-col__links a:focus-visible {
  color: var(--cyan-400);
  border-bottom-color: var(--cyan-400);
}

.page-news .subscribe {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: clamp(20px, 3vw, 40px);
  margin-top: clamp(28px, 4vw, 52px);
  padding-top: clamp(22px, 3vw, 34px);
  border-top: 1px solid var(--log-rule);
}

.page-news .subscribe__text {
  flex: 1 1 320px;
  min-width: 0;
}

.page-news .subscribe__text h3 {
  margin: 0 0 10px;
  font-size: clamp(19px, 2.4vw, 24px);
  font-weight: 400;
  color: var(--mist-050);
}

.page-news .subscribe__text p {
  margin: 0;
  max-width: 46em;
  font-size: 15px;
  line-height: 1.85;
  color: var(--slate-400);
}

.page-news .subscribe__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 16px;
  margin: 0;
}

/* ---------- 响应式 ---------- */
@media (min-width: 900px) {
  .page-news .log-hero__grid {
    grid-template-columns: minmax(0, 1.55fr) minmax(230px, 0.75fr);
    align-items: end;
  }

  .page-news .log-note__grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 0.65fr);
    align-items: start;
  }

  .page-news .lookback-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 1180px) {
  .page-news .lookback-grid {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }
}

@media (max-width: 620px) {
  .page-news .log-item {
    display: grid;
    grid-template-columns: 30px minmax(0, 1fr);
    gap: 6px 12px;
  }

  .page-news .log-no {
    grid-column: 1;
    grid-row: 1;
    min-width: 0;
    padding-top: 5px;
  }

  .page-news .log-main {
    grid-column: 2;
    grid-row: 1;
    flex-direction: column-reverse;
    gap: 0;
  }

  .page-news .log-item > .log-tag {
    grid-column: 2;
    grid-row: 2;
    justify-self: start;
    margin-top: 4px;
  }

  .page-news .log-time {
    grid-column: 2;
    grid-row: 2;
    justify-self: end;
    margin-top: 6px;
  }

  .page-news .log-thumb {
    flex: 0 0 auto;
    width: 100%;
    margin-bottom: 12px;
  }

  .page-news .log-thumb img {
    aspect-ratio: 16 / 9;
  }

  .page-news .log-item::before {
    left: -4px;
  }

  .page-news .topic-card {
    flex: 0 0 84%;
  }

  .page-news .subscribe {
    flex-direction: column;
    align-items: flex-start;
  }
}