/* ===================================================
   趋势观察 /trends/  —  页面作用域 .page-news
   =================================================== */

.page-news {
  position: relative;
}

.page-news .eyebrow {
  margin: 0 0 10px;
  font-size: 13px;
  letter-spacing: 0.14em;
  color: var(--gold);
}

.page-news .crumbs {
  margin-top: 22px;
}

/* ---------- 页面头顶 ---------- */

.page-news .news-masthead {
  position: relative;
  padding: 22px 0 30px;
  border-bottom: 1px solid var(--line);
}

.page-news .news-masthead__title {
  margin: 6px 0 18px;
  max-width: 12em;
}

.page-news .news-masthead .lede {
  max-width: 36em;
  color: rgba(239, 230, 214, 0.86);
}

.page-news .news-masthead__note {
  display: none;
}

.page-news .news-masthead__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 24px;
  margin-top: 24px;
  font-family: var(--font-num);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--slate);
}

.page-news .news-masthead__meta span {
  display: inline-flex;
  align-items: center;
  gap: 9px;
}

.page-news .news-masthead__meta span::before {
  content: "";
  flex: none;
  width: 6px;
  height: 6px;
  background: var(--gold);
  transform: rotate(45deg);
}

/* ---------- 本期导读 ---------- */

.page-news .news-lead__title {
  margin: 0 0 6px;
  max-width: 24em;
  font-size: clamp(24px, 3.4vw, 34px);
  line-height: 1.32;
  font-weight: 800;
  letter-spacing: -0.015em;
  color: var(--paper-white);
}

.page-news .lead-card {
  display: grid;
  margin-top: 26px;
  background: var(--night);
  border: 1px solid var(--line);
}

.page-news .lead-card__media {
  position: relative;
  margin: 0;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  background: var(--night);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 26px), 0 100%);
}

.page-news .lead-card__media .media__img {
  position: absolute;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-news .lead-card__body {
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: 26px 22px 30px;
}

.page-news .lead-card__series {
  margin: 0;
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--gold);
}

.page-news .lead-card__desc {
  margin: 0;
  font-size: 16px;
  line-height: 1.82;
  color: rgba(239, 230, 214, 0.82);
}

.page-news .lead-card__points {
  list-style: none;
  display: grid;
  gap: 10px;
  margin: 2px 0 0;
  padding: 0;
}

.page-news .lead-card__points li {
  position: relative;
  padding-left: 20px;
  font-size: 15px;
  line-height: 1.76;
  color: rgba(239, 230, 214, 0.72);
}

.page-news .lead-card__points li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 0.66em;
  width: 7px;
  height: 7px;
  background: var(--turq);
  transform: rotate(45deg);
}

.page-news .lead-card__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 6px;
}

/* ---------- 目录区：左索引 + 右条目流 ---------- */

.page-news .chan-filter {
  display: none;
}

.page-news .news-body {
  display: grid;
  gap: 26px;
  align-items: start;
}

.page-news .news-aside {
  position: sticky;
  top: var(--topbar-h);
  z-index: 6;
  padding: 12px 0 14px;
  background: var(--indigo);
  border-bottom: 1px solid var(--line);
}

.page-news .news-aside .eyebrow {
  display: none;
  margin-bottom: 14px;
}

.page-news .news-aside__note {
  display: none;
  margin: 18px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--slate);
}

.page-news .chan-list {
  list-style: none;
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0;
  overflow-x: auto;
  scrollbar-width: none;
}

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

.page-news .chan {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 13px;
  border: 1px solid transparent;
  border-left: 2px solid var(--line);
  white-space: nowrap;
  font-size: 14px;
  color: var(--slate);
  cursor: pointer;
  transition: background 180ms var(--ease), color 180ms var(--ease), border-color 180ms var(--ease);
}

.page-news .chan:hover {
  background: var(--wash);
  color: var(--paper-white);
}

.page-news .chan__no {
  font-size: 11px;
  letter-spacing: 0.06em;
  opacity: 0.7;
}

.page-news .chan__label {
  flex: 1;
}

.page-news .chan__count {
  font-size: 11px;
  opacity: 0.7;
}

.page-news .chan--all { --c: var(--paper-white); }
.page-news .chan--replay { --c: var(--gold); }
.page-news .chan--half { --c: var(--turq); }
.page-news .chan--setpiece { --c: var(--agate); }
.page-news .chan--method { --c: var(--slate); }
.page-news .chan--release { --c: var(--glow); }

.page-news #f-all:checked ~ .news-aside .chan--all,
.page-news #f-replay:checked ~ .news-aside .chan--replay,
.page-news #f-half:checked ~ .news-aside .chan--half,
.page-news #f-setpiece:checked ~ .news-aside .chan--setpiece,
.page-news #f-method:checked ~ .news-aside .chan--method,
.page-news #f-release:checked ~ .news-aside .chan--release {
  color: var(--c);
  border-left-color: var(--c);
  background: rgba(255, 255, 255, 0.05);
}

/* 纯 CSS 筛选 */
.page-news #f-replay:checked ~ .stream .entry,
.page-news #f-half:checked ~ .stream .entry,
.page-news #f-setpiece:checked ~ .stream .entry,
.page-news #f-method:checked ~ .stream .entry,
.page-news #f-release:checked ~ .stream .entry {
  display: none;
}

.page-news #f-replay:checked ~ .stream .entry[data-chan="replay"],
.page-news #f-half:checked ~ .stream .entry[data-chan="half"],
.page-news #f-setpiece:checked ~ .stream .entry[data-chan="setpiece"],
.page-news #f-method:checked ~ .stream .entry[data-chan="method"],
.page-news #f-release:checked ~ .stream .entry[data-chan="release"] {
  display: grid;
}

/* ---------- 条目流 ---------- */

.page-news .stream__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px 18px;
  padding-bottom: 14px;
  border-bottom: 2px solid var(--line-strong);
}

.page-news .stream__title {
  margin: 0;
  font-size: 21px;
  font-weight: 800;
  letter-spacing: 0.01em;
  color: var(--paper-white);
}

.page-news .stream__count {
  font-size: 13px;
  color: var(--slate);
}

.page-news .entry {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  gap: 0 16px;
  padding: 20px 0 22px;
  border-bottom: 1px solid var(--line);
  transition: background 200ms var(--ease);
}

.page-news .entry__no {
  font-family: var(--font-num);
  font-size: 30px;
  font-weight: 800;
  line-height: 0.92;
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
  color: rgba(138, 151, 176, 0.36);
  transition: color 180ms var(--ease);
}

.page-news .entry__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 0 0 9px;
}

.page-news .entry__time {
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--slate);
}

.page-news .entry__title {
  margin: 0 0 9px;
  font-size: 19px;
  line-height: 1.46;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--paper-white);
  transition: color 180ms var(--ease);
}

.page-news .entry__desc {
  margin: 0;
  max-width: 40em;
  font-size: 15px;
  line-height: 1.78;
  color: rgba(239, 230, 214, 0.7);
}

.page-news .entry__thumb {
  grid-column: 1 / -1;
  margin: 16px 0 0;
  overflow: hidden;
}

.page-news .entry__thumb img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-news .entry:hover {
  background: linear-gradient(90deg, var(--wash), rgba(245, 166, 35, 0) 68%);
}

.page-news .entry:hover .entry__no {
  color: var(--gold);
}

.page-news .entry:hover .entry__title {
  color: var(--gold);
}

/* ---------- 栏目标签 ---------- */

.page-news .tag {
  display: inline-block;
  padding: 2px 9px 3px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
  border: 1px solid currentColor;
  background: rgba(255, 255, 255, 0.03);
  color: var(--slate);
}

.page-news .tag--replay { color: var(--gold); }
.page-news .tag--half { color: var(--turq); }
.page-news .tag--setpiece { color: #E06A55; }
.page-news .tag--method { color: var(--slate); }
.page-news .tag--release { color: var(--glow); }

/* ---------- 专题系列 ---------- */

.page-news .news-series__title {
  margin: 0 0 6px;
  font-size: clamp(23px, 3.2vw, 32px);
  font-weight: 800;
  line-height: 1.34;
  letter-spacing: -0.015em;
  color: var(--paper-white);
}

.page-news .news-series__media {
  margin: 24px 0 0;
}

.page-news .news-series__media .media__img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-news .series-rail {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(258px, 84%);
  gap: 16px;
  margin-top: 24px;
  padding-bottom: 14px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scrollbar-width: thin;
}

.page-news .series-card {
  scroll-snap-align: start;
  display: flex;
  flex-direction: column;
  padding: 22px 20px 24px;
  background: var(--night);
  border: 1px solid var(--line);
  border-top: 3px solid var(--c, var(--gold));
  transition: transform 180ms var(--ease), border-color 180ms var(--ease);
}

.page-news .series-card:hover {
  transform: translateY(-2px);
  border-left-color: var(--line-strong);
  border-right-color: var(--line-strong);
  border-bottom-color: var(--line-strong);
}

.page-news .series-card--turq { --c: var(--turq); }
.page-news .series-card--agate { --c: var(--agate); }
.page-news .series-card--gold { --c: var(--gold); }

.page-news .series-card__no {
  margin-bottom: 14px;
  font-size: 42px;
  font-weight: 800;
  line-height: 1;
  color: rgba(138, 151, 176, 0.3);
}

.page-news .series-card__name {
  margin: 0 0 10px;
  font-size: 19px;
  font-weight: 800;
  line-height: 1.4;
  color: var(--paper-white);
}

.page-news .series-card__desc {
  margin: 0;
  flex: 1;
  font-size: 15px;
  line-height: 1.78;
  color: rgba(239, 230, 214, 0.72);
}

.page-news .series-card__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
  margin: 18px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--slate);
}

.page-news .news-series__foot {
  margin: 4px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(239, 230, 214, 0.72);
}

.page-news .news-inline-link {
  color: var(--gold);
  text-decoration: underline;
  text-underline-offset: 4px;
  text-decoration-thickness: 1px;
  transition: color 180ms var(--ease);
}

.page-news .news-inline-link:hover {
  color: var(--glow);
}

/* ---------- 更新提醒 ---------- */

.page-news .cta-panel {
  position: relative;
  display: grid;
  gap: 26px;
  padding: 30px 24px 32px;
  background: var(--night);
  border: 1px solid var(--line);
  border-left: 3px solid var(--gold);
  overflow: hidden;
}

.page-news .cta-panel::before {
  content: "";
  position: absolute;
  right: -90px;
  top: -90px;
  width: 260px;
  height: 260px;
  background: radial-gradient(circle, rgba(245, 166, 35, 0.16), rgba(245, 166, 35, 0) 70%);
  pointer-events: none;
}

.page-news .cta-panel__text {
  position: relative;
}

.page-news .cta-panel__title {
  margin: 0 0 14px;
  font-size: clamp(21px, 2.8vw, 28px);
  font-weight: 800;
  line-height: 1.36;
  letter-spacing: -0.01em;
  color: var(--paper-white);
}

.page-news .cta-panel__desc {
  margin: 0;
  max-width: 46em;
  font-size: 15px;
  line-height: 1.82;
  color: rgba(239, 230, 214, 0.76);
}

.page-news .cta-panel__actions {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 滚动显现（渐进增强） ---------- */

@keyframes newsRevealSafety {
  to {
    opacity: 1;
    transform: none;
  }
}

.page-news [data-reveal] {
  opacity: 0;
  transform: translateY(12px);
  animation: newsRevealSafety 1ms linear 2.4s forwards;
  transition: opacity 520ms var(--ease), transform 520ms var(--ease);
}

.page-news [data-reveal].is-visible {
  opacity: 1;
  transform: none;
  animation: none;
}

/* ---------- 平板及以上 ---------- */

@media (min-width: 700px) {
  .page-news .entry {
    grid-template-columns: 76px minmax(0, 1fr);
    gap: 0 26px;
    padding: 24px 0 26px;
  }

  .page-news .entry__no {
    font-size: 44px;
  }

  .page-news .entry__title {
    font-size: 22px;
  }

  .page-news .lead-card__body {
    padding: 30px 32px 34px;
  }
}

@media (min-width: 900px) {
  .page-news .lead-card {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }

  .page-news .lead-card__media {
    aspect-ratio: auto;
    min-height: 340px;
    clip-path: polygon(0 0, 100% 0, calc(100% - 42px) 100%, 0 100%);
  }

  .page-news .lead-card__body {
    padding: 36px 38px 40px;
  }

  .page-news .series-rail {
    grid-auto-flow: row;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    grid-auto-columns: auto;
    gap: 20px;
    padding-bottom: 0;
    overflow: visible;
  }

  .page-news .cta-panel {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 44px;
    padding: 40px 44px;
  }
}

@media (min-width: 1024px) {
  .page-news .news-masthead {
    padding: 30px 0 40px;
  }

  .page-news .news-masthead__note {
    display: block;
    position: absolute;
    right: 4px;
    top: 42px;
    margin: 0;
    color: var(--slate);
    opacity: 0.85;
  }

  .page-news .news-body {
    grid-template-columns: 264px minmax(0, 1fr);
    gap: 60px;
  }

  .page-news .news-aside {
    position: sticky;
    top: 32px;
    padding: 0;
    background: transparent;
    border-bottom: 0;
    border-left: 1px solid var(--line);
  }

  .page-news .news-aside .eyebrow {
    display: block;
    padding-left: 14px;
  }

  .page-news .news-aside__note {
    display: block;
    padding-left: 14px;
  }

  .page-news .chan-list {
    display: grid;
    gap: 2px;
    overflow: visible;
  }

  .page-news .chan {
    padding: 11px 14px;
    white-space: normal;
  }

  .page-news .chan__label {
    flex: 1;
  }
}

@media (min-width: 1160px) {
  .page-news .entry--thumb {
    grid-template-columns: 76px minmax(0, 1fr) 156px;
    gap: 0 26px;
  }

  .page-news .entry--thumb .entry__thumb {
    grid-column: auto;
    margin: 2px 0 0;
    clip-path: polygon(0 0, 100% 0, 100% 100%, 16px 100%);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news [data-reveal] {
    opacity: 1;
    transform: none;
    animation: none;
    transition: none;
  }

  .page-news .entry,
  .page-news .chan,
  .page-news .series-card {
    transition: none;
  }

  .page-news .series-card:hover {
    transform: none;
  }
}