.page-news {
  --log-indent: clamp(16px, 3vw, 28px);
  background-color: var(--paper);
  color: var(--black);
}

.page-news .news-crumb-wrap {
  padding-top: clamp(14px, 2.6vw, 24px);
}

/* ---------- 专题封面 ---------- */
.page-news .cover {
  position: relative;
  margin-top: clamp(16px, 3vw, 28px);
  background-color: var(--ink);
  color: var(--paper);
  overflow: hidden;
}

.page-news .cover::before {
  content: "";
  position: absolute;
  top: -12%;
  right: -8%;
  width: min(48%, 540px);
  height: 132%;
  background-color: var(--clay);
  transform: skewX(-9deg);
  opacity: 0.92;
  z-index: 0;
}

.page-news .cover::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 6px;
  background-color: var(--line);
  z-index: 2;
}

.page-news .cover-grid {
  position: relative;
  z-index: 1;
  max-width: 1480px;
  margin: 0 auto;
  display: grid;
  gap: clamp(22px, 4vw, 48px);
  padding: clamp(26px, 5vw, 56px) clamp(18px, 4vw, 48px) clamp(24px, 4vw, 42px);
}

.page-news .cover-eyebrow {
  color: var(--line);
  margin: 0 0 clamp(10px, 1.6vw, 16px);
}

.page-news .cover-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(52px, 9vw, 118px);
  line-height: 0.88;
  letter-spacing: -0.035em;
  text-transform: none;
  color: var(--paper);
}

.page-news .cover-sub {
  margin: clamp(14px, 2.4vw, 22px) 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(19px, 2.4vw, 27px);
  line-height: 1.32;
  letter-spacing: -0.01em;
  max-width: 22em;
  color: var(--paper);
}

.page-news .cover-lead {
  margin: clamp(12px, 2vw, 18px) 0 0;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.75;
  max-width: 34em;
  color: rgba(244, 239, 227, 0.82);
}

.page-news .cover-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: clamp(20px, 3vw, 28px);
}

.page-news .cover-figure {
  margin: 0;
  align-self: end;
}

.page-news .cover-media {
  aspect-ratio: 3 / 2;
  clip-path: polygon(0 0, 100% 0, 100% 90%, 9% 100%);
  background-color: var(--clay);
  border: 1px solid rgba(244, 239, 227, 0.28);
}

.page-news .cover-figure .media-caption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: rgba(244, 239, 227, 0.66);
}

.page-news .cover-index {
  position: relative;
  z-index: 1;
  max-width: 1480px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  border-top: 1px solid var(--hair-dark);
}

.page-news .cover-index-item {
  flex: 1 1 44%;
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 14px clamp(18px, 4vw, 48px) 14px 0;
  margin-left: clamp(18px, 4vw, 48px);
  margin-right: calc(-1 * clamp(16px, 4vw, 40px));
  text-decoration: none;
  color: var(--paper);
  border-bottom: 1px solid var(--hair-dark);
  transition: color 0.18s ease, border-color 0.18s ease;
}

.page-news .cover-index-no {
  font-size: 12px;
  color: var(--line);
}

.page-news .cover-index-name {
  font-family: var(--font-serif);
  font-size: 14px;
  letter-spacing: 0.02em;
}

.page-news .cover-index-item:hover,
.page-news .cover-index-item:focus-visible {
  color: var(--line);
  border-bottom-color: var(--line);
}

/* ---------- 横向主题带 ---------- */
.page-news .topic-band {
  background-color: var(--white);
  border-bottom: 1px solid var(--hair);
}

.page-news .topic-track {
  display: flex;
  overflow-x: auto;
  overscroll-behavior-x: contain;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
}

.page-news .topic-track:focus-visible {
  outline: 2px solid var(--clay);
  outline-offset: -4px;
}

.page-news .topic-item {
  position: relative;
  flex: 0 0 auto;
  width: clamp(206px, 62vw, 276px);
  padding: 20px 20px 22px;
  border-right: 1px solid var(--hair-soft);
  text-decoration: none;
  color: var(--ink);
  scroll-snap-align: start;
  transition: background-color 0.2s ease, transform 0.2s ease;
}

.page-news .topic-item::before {
  content: "";
  position: absolute;
  left: 20px;
  top: 0;
  width: 22px;
  height: 3px;
  background-color: var(--stone);
  transition: background-color 0.2s ease, width 0.2s ease;
}

.page-news .topic-item:hover,
.page-news .topic-item:focus-visible {
  background-color: var(--table);
  transform: translateY(-2px);
}

.page-news .topic-item:hover::before,
.page-news .topic-item:focus-visible::before {
  background-color: var(--clay);
  width: 44px;
}

.page-news .topic-no {
  display: block;
  font-size: 12px;
  color: var(--stone);
}

.page-news .topic-name {
  display: block;
  margin-top: 8px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 21px;
  letter-spacing: -0.01em;
}

.page-news .topic-desc {
  display: block;
  margin-top: 6px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--moss);
}

/* ---------- 目录 ---------- */
.page-news .contents {
  padding-top: clamp(38px, 6vw, 74px);
}

.page-news .contents-head {
  display: grid;
  gap: 8px;
  border-bottom: 2px solid var(--ink);
  padding-bottom: clamp(14px, 2vw, 20px);
}

.page-news .contents-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(30px, 4.4vw, 48px);
  line-height: 1.02;
  letter-spacing: -0.025em;
}

.page-news .contents-note {
  margin: 0;
  font-family: var(--font-serif);
  font-size: 14px;
  color: var(--stone);
}

.page-news .contents-groups {
  display: grid;
  gap: clamp(26px, 4vw, 40px);
  margin-top: clamp(22px, 3.4vw, 34px);
}

.page-news .group-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin: 0;
  padding: 8px 12px;
  background-color: var(--table);
  border-left: 4px solid var(--moss);
}

.page-news .group-label {
  font-family: var(--font-serif);
  font-size: 15px;
  letter-spacing: 0.08em;
  color: var(--ink);
}

.page-news .group-count {
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--moss);
}

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

.page-news .entry {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 4px 14px;
  padding: 16px 10px 16px 8px;
  border-bottom: 1px solid var(--hair-soft);
  border-left: 3px solid transparent;
  transition: background-color 0.2s ease, border-left-color 0.2s ease;
}

.page-news .entry:hover {
  background-color: var(--white);
  border-left-color: var(--line);
}

.page-news .entry-no {
  grid-row: 1 / span 2;
  font-size: 15px;
  color: var(--terracotta);
  padding-top: 2px;
}

.page-news .entry-body {
  min-width: 0;
}

.page-news .entry-title {
  margin: 0;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: clamp(16px, 1.9vw, 19px);
  line-height: 1.45;
  color: var(--ink);
  text-decoration-color: var(--clay);
  text-underline-offset: 4px;
}

.page-news .entry-excerpt {
  margin: 6px 0 0;
  font-size: 14px;
  line-height: 1.72;
  color: #4a4f4b;
}

.page-news .entry-time {
  grid-column: 2;
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--stone);
}

/* ---------- 更新日志 ---------- */
.page-news .logbook {
  margin-top: clamp(40px, 6vw, 80px);
  padding: clamp(34px, 5vw, 64px) 0;
  background-color: var(--white);
  border-top: 1px solid var(--hair);
  border-bottom: 1px solid var(--hair);
}

.page-news .logbook-grid {
  display: grid;
  gap: clamp(28px, 4vw, 46px);
}

.page-news .logbook-title {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(28px, 4.2vw, 44px);
  line-height: 1.06;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.page-news .logbook-lead {
  margin: 12px 0 0;
  max-width: 40em;
  font-size: 15px;
  line-height: 1.75;
  color: var(--moss);
}

.page-news .log-list {
  list-style: none;
  margin: clamp(20px, 3vw, 30px) 0 0;
  padding: 0 0 0 var(--log-indent);
  border-left: 1px solid var(--hair);
}

.page-news .log-item {
  position: relative;
  padding: 0 0 clamp(20px, 3vw, 28px);
}

.page-news .log-item::before {
  content: "";
  position: absolute;
  left: calc(-1 * var(--log-indent) - 4px);
  top: 5px;
  width: 7px;
  height: 7px;
  background-color: var(--line);
  border: 1px solid var(--ink);
}

.page-news .log-time {
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--clay);
}

.page-news .log-title {
  margin: 6px 0 0;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: clamp(16px, 1.9vw, 19px);
  line-height: 1.4;
  color: var(--ink);
}

.page-news .log-text {
  margin: 6px 0 10px;
  font-size: 14px;
  line-height: 1.72;
  color: #4a4f4b;
}

.page-news .logbook-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 4px;
}

.page-news .logbook-aside {
  display: grid;
  gap: 18px;
  align-content: start;
}

.page-news .aside-media {
  aspect-ratio: 3 / 2;
  border: 1px solid var(--hair);
}

.page-news .logbook-aside .media-caption {
  margin-top: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--stone);
}

.page-news .aside-fact {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 16px 18px;
  background-color: var(--paper);
  border-left: 4px solid var(--clay);
}

.page-news .aside-fact-num {
  font-size: clamp(30px, 4vw, 42px);
  line-height: 1;
  color: var(--clay);
}

.page-news .aside-fact-text {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--moss);
}

/* ---------- 数据方法 ---------- */
.page-news .method {
  padding-top: clamp(40px, 6vw, 78px);
}

.page-news .method-grid {
  display: grid;
  gap: clamp(24px, 4vw, 46px);
}

.page-news .method-figure {
  margin: 0;
}

.page-news .method-media {
  aspect-ratio: 9 / 7;
  border: 1px solid var(--hair);
  clip-path: polygon(0 0, 100% 0, 100% 100%, 6% 96%);
}

.page-news .method-figure .media-caption {
  margin-top: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.05em;
  color: var(--stone);
}

.page-news .method-title {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(27px, 4vw, 40px);
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.page-news .method-lead {
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--moss);
}

.page-news .method-list {
  margin: clamp(18px, 3vw, 26px) 0 0;
  display: grid;
  gap: 0;
}

.page-news .method-item {
  padding: 14px 0;
  border-top: 1px solid var(--hair-soft);
}

.page-news .method-term {
  font-family: var(--font-serif);
  font-size: 15px;
  letter-spacing: 0.04em;
  color: var(--clay);
}

.page-news .method-desc {
  margin: 6px 0 0;
  font-size: 14px;
  line-height: 1.74;
  color: var(--black);
}

.page-news .method-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: clamp(16px, 2.4vw, 22px);
}

/* ---------- 反馈 ---------- */
.page-news .feedback {
  margin-top: clamp(40px, 6vw, 78px);
  padding: 0;
}

.page-news .feedback-inner {
  position: relative;
  overflow: hidden;
  display: grid;
  gap: clamp(20px, 3vw, 32px);
  padding: clamp(28px, 5vw, 54px) clamp(20px, 4vw, 48px);
  background-color: var(--clay);
  color: var(--paper);
}

.page-news .feedback-inner::before {
  content: "";
  position: absolute;
  top: -30%;
  right: -12%;
  width: min(52%, 420px);
  height: 170%;
  background-color: var(--ink);
  transform: skewX(-10deg);
  opacity: 0.42;
  z-index: 0;
}

.page-news .feedback-text,
.page-news .feedback-actions {
  position: relative;
  z-index: 1;
}

.page-news .eyebrow--light {
  color: var(--line);
  margin: 0 0 10px;
}

.page-news .feedback-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(26px, 4vw, 42px);
  line-height: 1.06;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-news .feedback-lead {
  margin: 12px 0 0;
  max-width: 40em;
  font-size: 15px;
  line-height: 1.78;
  color: rgba(244, 239, 227, 0.88);
}

.page-news .feedback-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-content: center;
}

.page-news .feedback-btn-ghost {
  color: var(--paper);
  border-color: rgba(244, 239, 227, 0.6);
}

.page-news .feedback-btn-ghost:hover,
.page-news .feedback-btn-ghost:focus-visible {
  border-color: var(--line);
  color: var(--line);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-news .cover-index-item {
    flex: 1 1 0;
  }

  .page-news .entry {
    grid-template-columns: 56px minmax(0, 1fr) 112px;
    align-items: baseline;
    gap: 6px 18px;
  }

  .page-news .entry-no {
    grid-row: 1;
  }

  .page-news .entry-time {
    grid-column: 3;
    text-align: right;
  }

  .page-news .feedback-inner {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 0.8fr);
    align-items: center;
  }

  .page-news .feedback-actions {
    justify-content: flex-end;
  }
}

@media (min-width: 900px) {
  .page-news .cover-grid {
    grid-template-columns: minmax(0, 1.18fr) minmax(0, 0.82fr);
    align-items: end;
  }

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

  .page-news .method-grid {
    grid-template-columns: minmax(0, 0.86fr) minmax(0, 1.14fr);
    align-items: start;
  }

  .page-news .contents-groups {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: clamp(28px, 3.5vw, 44px) clamp(24px, 3vw, 40px);
  }
}

@media (min-width: 1180px) {
  .page-news .cover-title {
    font-size: 128px;
  }
}

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

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