.page-news {
  --n-gap: clamp(1.25rem, 3.2vw, 2.75rem);
  --n-pad: clamp(16px, 4vw, 32px);
  display: block;
}

.page-news .wrap {
  padding-inline: var(--n-pad);
  max-width: 1180px;
  margin-inline: auto;
}

.page-news img {
  max-width: 100%;
  height: auto;
}

/* ---------- 面包屑 ---------- */
.page-news .notes-crumbs-wrap {
  padding-top: 20px;
  padding-bottom: 4px;
}

/* ---------- 首屏框景 ---------- */
.page-news .notes-hero {
  position: relative;
  margin-top: 14px;
  border-top: 1px solid var(--edge);
  border-bottom: 1px solid var(--edge);
  background:
    radial-gradient(120% 130% at 88% 0%, rgba(59, 240, 200, 0.16) 0%, rgba(59, 240, 200, 0) 58%),
    linear-gradient(180deg, #0C2A21 0%, #061C16 100%);
  overflow: hidden;
}

.page-news .notes-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(22, 69, 58, 0.8) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(22, 69, 58, 0.8) 1px, transparent 1px);
  background-size: 96px 96px;
  opacity: 0.45;
  pointer-events: none;
}

.page-news .notes-hero__inner {
  position: relative;
  display: grid;
  gap: var(--n-gap);
  padding-top: 40px;
  padding-bottom: 40px;
}

.page-news .notes-hero__kicker {
  margin: 0 0 14px;
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: 0.16em;
  color: var(--cyan);
}

.page-news h1 {
  margin: 0;
  font-size: clamp(30px, 7vw, 58px);
  line-height: 1.08;
  letter-spacing: -0.01em;
  font-weight: 900;
  color: var(--text);
  max-width: 15em;
}

.page-news .notes-hero__sub {
  margin: 18px 0 0;
  max-width: 34em;
  font-size: 15.5px;
  line-height: 1.9;
  color: var(--muted);
}

.page-news .notes-hero__acts {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 26px;
}

/* 分类索引 / 纵向数据轴 */
.page-news .notes-index {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--edge);
  border-left: 1px solid var(--edge);
  align-self: start;
}

.page-news .notes-index__row {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 14px 12px;
  border-right: 1px solid var(--edge);
  border-bottom: 1px solid var(--edge);
  text-decoration: none;
  color: var(--text);
  transition: background 0.25s var(--ease), color 0.25s var(--ease);
}

.page-news .notes-index__no {
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

.page-news .notes-index__label {
  font-size: 14px;
  letter-spacing: 0.04em;
  color: var(--text);
}

.page-news .notes-index__row:hover,
.page-news .notes-index__row:focus-visible {
  background: rgba(59, 240, 200, 0.09);
  color: var(--cyan-soft);
}

.page-news .notes-index__row:hover .notes-index__label,
.page-news .notes-index__row:focus-visible .notes-index__label {
  color: var(--cyan-soft);
}

/* ---------- 通用章节 ---------- */
.page-news .notes-sec {
  position: relative;
  padding: 52px 0;
  border-bottom: 1px solid var(--edge);
}

.page-news .notes-sec:last-of-type {
  border-bottom: 0;
}

.page-news .section-head {
  display: grid;
  gap: 8px;
  margin-bottom: 28px;
}

.page-news .section-head--flush {
  margin-bottom: 18px;
}

.page-news .notes-sec__note {
  margin: 0;
  max-width: 40em;
  font-size: 14px;
  line-height: 1.85;
  color: var(--muted);
}

/* ---------- 精选笔记 ---------- */
.page-news .notes-feature {
  display: grid;
  gap: var(--n-gap);
}

.page-news .notes-feature__main {
  display: grid;
  gap: 22px;
  padding: 22px;
  border: 1px solid var(--edge);
  background: linear-gradient(180deg, rgba(12, 42, 33, 0.92), rgba(6, 28, 22, 0.92));
}

.page-news .notes-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 0 0 12px;
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.page-news .notes-cat {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 3px 9px;
  border: 1px solid rgba(59, 240, 200, 0.55);
  color: var(--cyan);
  font-size: 11px;
  letter-spacing: 0.12em;
}

.page-news .notes-cat::before {
  content: "";
  width: 5px;
  height: 5px;
  background: var(--cyan);
}

.page-news .notes-cat--how {
  border-color: rgba(143, 252, 226, 0.5);
  color: var(--cyan-soft);
}

.page-news .notes-cat--how::before {
  background: var(--cyan-soft);
}

.page-news .notes-feature__title {
  margin: 0;
  font-size: clamp(21px, 4.4vw, 30px);
  line-height: 1.35;
  letter-spacing: -0.005em;
  color: var(--text);
}

.page-news .notes-feature__lead {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.9;
  color: var(--muted);
}

.page-news .notes-points {
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.page-news .notes-points li {
  position: relative;
  padding-left: 20px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--text);
}

.page-news .notes-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 10px;
  height: 1px;
  background: var(--cyan);
}

.page-news .notes-more {
  display: inline-block;
  margin-top: 18px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(59, 240, 200, 0.4);
  padding-bottom: 2px;
  transition: color 0.25s var(--ease), border-color 0.25s var(--ease);
}

.page-news .notes-more:hover,
.page-news .notes-more:focus-visible {
  color: var(--orange);
  border-color: var(--orange);
}

.page-news .notes-feature__media {
  margin: 0;
  position: relative;
  border: 1px solid var(--edge);
  background: var(--ink);
  overflow: hidden;
}

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

/* 精选右侧 / 下方条目流：左右错位 */
.page-news .notes-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  border-top: 1px solid var(--edge);
}

.page-news .notes-item {
  position: relative;
  padding: 22px 0 22px 18px;
  border-bottom: 1px solid var(--edge);
  transition: transform 0.3s var(--ease);
}

.page-news .notes-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 22px;
  bottom: 22px;
  width: 2px;
  background: var(--orange);
  opacity: 0;
  transition: opacity 0.3s var(--ease);
}

.page-news .notes-item__title {
  margin: 0;
  font-size: 18px;
  line-height: 1.45;
  color: var(--text);
}

.page-news .notes-item__sum {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--muted);
}

.page-news .notes-item .notes-more {
  margin-top: 12px;
}

@media (hover: hover) {
  .page-news .notes-item:hover {
    transform: translateX(5px);
  }
}

.page-news .notes-item:hover::before,
.page-news .notes-item:focus-within::before {
  opacity: 1;
}

/* ---------- 四类笔记 ---------- */
.page-news .notes-cols {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--edge);
  border-left: 1px solid var(--edge);
}

.page-news .notes-col {
  position: relative;
  padding: 24px 20px 26px;
  border-right: 1px solid var(--edge);
  border-bottom: 1px solid var(--edge);
  background: linear-gradient(180deg, rgba(12, 42, 33, 0.5), rgba(6, 28, 22, 0.2));
  transition: background 0.3s var(--ease);
}

.page-news .notes-col__no {
  display: block;
  font-family: var(--mono);
  font-size: 42px;
  line-height: 1;
  color: rgba(59, 240, 200, 0.24);
  letter-spacing: -0.02em;
}

.page-news .notes-col__title {
  margin: 14px 0 0;
  font-size: 20px;
  line-height: 1.4;
  color: var(--text);
}

.page-news .notes-col__desc {
  margin: 12px 0 0;
  font-size: 14px;
  line-height: 1.9;
  color: var(--muted);
}

.page-news .notes-col__tags {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-news .notes-col__tags li {
  padding: 3px 9px;
  border: 1px solid var(--board);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.page-news .notes-col .notes-more {
  margin-top: 16px;
}

.page-news .notes-col:hover {
  background: linear-gradient(180deg, rgba(22, 69, 58, 0.55), rgba(6, 28, 22, 0.3));
}

.page-news .notes-aside {
  margin: 22px 0 0;
  font-size: 13.5px;
  line-height: 1.85;
  color: var(--muted);
}

.page-news .notes-aside a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(59, 240, 200, 0.4);
}

.page-news .notes-aside a:hover {
  color: var(--cyan-soft);
}

/* ---------- 专题系列 ---------- */
.page-news .notes-sec--series {
  overflow: hidden;
  background: linear-gradient(180deg, #061C16 0%, #0C2A21 50%, #061C16 100%);
}

.page-news .notes-series-bg {
  position: absolute;
  inset: 0;
  margin: 0;
  z-index: 0;
  pointer-events: none;
}

.page-news .notes-series-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.22;
}

.page-news .notes-series {
  position: relative;
  z-index: 1;
}

.page-news .notes-tracks {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--edge);
}

.page-news .notes-track {
  position: relative;
  padding: 22px 0 24px 18px;
  border-bottom: 1px solid var(--edge);
  transition: transform 0.3s var(--ease);
}

.page-news .notes-track::before {
  content: "";
  position: absolute;
  left: 0;
  top: 22px;
  bottom: 24px;
  width: 2px;
  background: var(--orange);
  opacity: 0;
  transition: opacity 0.3s var(--ease);
}

.page-news .notes-track:hover::before {
  opacity: 1;
}

@media (hover: hover) {
  .page-news .notes-track:hover {
    transform: translateX(5px);
  }
}

.page-news .notes-track__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin: 0 0 10px;
}

.page-news .notes-track__round {
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: var(--muted);
}

.page-news .notes-track__title {
  margin: 0;
  font-size: 19px;
  line-height: 1.4;
  color: var(--text);
}

.page-news .notes-track__desc {
  margin: 10px 0 0;
  max-width: 44em;
  font-size: 14px;
  line-height: 1.9;
  color: var(--muted);
}

.page-news .notes-track__bar {
  margin-top: 16px;
  height: 3px;
  background: rgba(22, 69, 58, 0.9);
  overflow: hidden;
}

.page-news .notes-track__bar span {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, var(--cyan), var(--cyan-soft));
}

.page-news .notes-track--full .notes-track__bar span { width: 100%; }
.page-news .notes-track--most .notes-track__bar span { width: 88%; }
.page-news .notes-track--part .notes-track__bar span { width: 72%; }

/* ---------- 更新与合作 ---------- */
.page-news .notes-sec--sub {
  background:
    radial-gradient(90% 120% at 12% 100%, rgba(255, 122, 61, 0.08) 0%, rgba(255, 122, 61, 0) 62%),
    #061C16;
}

.page-news .notes-sub {
  display: grid;
  gap: var(--n-gap);
}

.page-news .notes-sub__lead {
  margin: 0 0 20px;
  font-size: 15px;
  line-height: 1.9;
  color: var(--muted);
}

.page-news .notes-sub__list {
  list-style: none;
  margin: 0 0 26px;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-news .notes-sub__list li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.85;
  color: var(--text);
}

.page-news .notes-sub__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.7em;
  width: 8px;
  height: 1px;
  background: var(--cyan);
}

.page-news .notes-sub__list strong {
  color: var(--cyan);
  font-weight: 600;
  margin-right: 4px;
}

.page-news .notes-sub__foot {
  margin: 20px 0 0;
  font-size: 13.5px;
  line-height: 1.85;
  color: var(--muted);
}

.page-news .notes-sub__foot a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(59, 240, 200, 0.4);
}

.page-news .notes-sub__foot a:hover {
  color: var(--cyan-soft);
}

.page-news .notes-sub__media {
  margin: 0;
  position: relative;
  border: 1px solid var(--edge);
  background: var(--ink-2);
  overflow: hidden;
}

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

/* ---------- 中屏 ---------- */
@media (min-width: 760px) {
  .page-news .notes-sec {
    padding: 68px 0;
  }

  .page-news .notes-feature__main {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.92fr);
    gap: 28px;
    padding: 28px;
    align-items: start;
  }

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

  .page-news .notes-col {
    padding: 28px 24px 30px;
  }

  .page-news .notes-sub {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    align-items: center;
    gap: clamp(2rem, 5vw, 4rem);
  }
}

/* ---------- 宽屏 ---------- */
@media (min-width: 1000px) {
  .page-news .notes-hero__inner {
    grid-template-columns: minmax(0, 1.5fr) minmax(230px, 0.8fr);
    align-items: end;
    gap: clamp(2.5rem, 5vw, 4.5rem);
    padding-top: 68px;
    padding-bottom: 64px;
  }

  .page-news .notes-index {
    grid-template-columns: 1fr;
  }

  .page-news .notes-feature {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
    gap: clamp(2rem, 4vw, 3.25rem);
    align-items: start;
  }

  .page-news .notes-item {
    padding-left: 22px;
  }

  /* 条目左右错位，形成翻阅节奏 */
  .page-news .notes-item:nth-child(even) {
    padding-left: 34px;
  }

  .page-news .notes-item:nth-child(odd) .notes-item__title,
  .page-news .notes-item:nth-child(odd) .notes-item__sum {
    max-width: 34em;
  }

  .page-news .notes-tracks {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    border-left: 1px solid var(--edge);
  }

  .page-news .notes-track {
    padding: 26px 22px 28px;
    border-right: 1px solid var(--edge);
  }

  .page-news .notes-track::before {
    left: 0;
    top: 26px;
    bottom: 28px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .notes-item,
  .page-news .notes-track,
  .page-news .notes-index__row,
  .page-news .notes-col,
  .page-news .notes-more {
    transition: none;
  }

  .page-news .notes-item:hover,
  .page-news .notes-track:hover {
    transform: none;
  }
}