/* ===== 趋势观察 · 页面专属样式 ===== */
.page-news {
  --news-rail-w: 186px;
  --news-aside-w: 246px;
  --news-glow: rgba(59, 242, 206, 0.08);
  background: var(--ink);
  color: var(--cool);
}

/* ---------- 首屏 ---------- */
.page-news .news-masthead {
  position: relative;
  padding: clamp(28px, 5vw, 56px) 0 clamp(30px, 4vw, 52px);
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(90% 70% at 88% -10%, rgba(59, 242, 206, 0.14), transparent 62%),
    radial-gradient(60% 55% at 4% 108%, rgba(245, 183, 64, 0.08), transparent 70%);
}

.page-news .news-masthead__title {
  margin: 16px 0 0;
  max-width: 14ch;
  line-height: 0.98;
  letter-spacing: -0.02em;
}

.page-news .news-masthead__lede {
  margin: clamp(20px, 2.6vw, 28px) 0 0;
  max-width: 40ch;
  font-size: clamp(1rem, 1.15vw, 1.0625rem);
  line-height: 1.78;
  color: var(--mist);
}

.page-news .news-facts {
  list-style: none;
  margin: clamp(26px, 3.6vw, 44px) 0 0;
  padding: clamp(18px, 2.4vw, 26px) 0 0;
  border-top: 1px solid var(--line);
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px 18px;
}

@media (min-width: 760px) {
  .page-news .news-facts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

.page-news .news-facts li {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 0;
}

.page-news .news-facts__num {
  font-size: clamp(1.5rem, 2.4vw, 2rem);
  line-height: 1;
  color: var(--cyan);
  letter-spacing: -0.01em;
}

.page-news .news-facts li > span:last-child {
  font-size: 13px;
  line-height: 1.5;
  color: var(--sage);
}

/* ---------- 本档推荐 ---------- */
.page-news .news-picks__head {
  max-width: 46ch;
}

.page-news .news-picks__intro {
  margin-top: 14px;
  color: var(--mist);
  line-height: 1.78;
  max-width: 40ch;
}

.page-news .news-picks__grid {
  margin-top: clamp(28px, 4vw, 48px);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3vw, 40px);
  align-items: start;
}

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

.page-news .news-picks__media {
  margin: 0;
  position: relative;
}

.page-news .news-picks__media .media-frame {
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 26px), calc(100% - 26px) 100%, 0 100%);
  border: 1px solid var(--line-strong);
}

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

.page-news .news-picks__caption {
  display: block;
  margin-top: 12px;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--sage);
}

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

.page-news .pick {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 14px;
  padding: 18px 18px 18px 14px;
  background: var(--panel);
  border-left: 2px solid transparent;
  transition: transform 0.3s ease, border-color 0.3s ease, background 0.3s ease;
}

.page-news .pick:hover {
  transform: translateX(5px);
  border-left-color: var(--amber);
  background: var(--panel-2);
}

.page-news .pick__no {
  font-size: 12px;
  line-height: 1.8;
  color: var(--sage);
}

.page-news .pick__body {
  min-width: 0;
}

.page-news .pick__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
}

.page-news .pick__time {
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--sage);
}

.page-news .pick__title {
  margin: 0;
  font-size: clamp(1rem, 1.3vw, 1.125rem);
  font-weight: 700;
  line-height: 1.5;
  color: var(--cool);
}

.page-news .pick__note {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--mist);
}

/* ---------- 三栏条目流 ---------- */
.page-news .news-board__head {
  max-width: 44ch;
}

.page-news .news-board__grid {
  margin-top: clamp(26px, 3.6vw, 44px);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 3vw, 44px);
  align-items: start;
}

@media (min-width: 900px) {
  .page-news .news-board__grid {
    grid-template-columns: var(--news-rail-w) minmax(0, 1fr);
  }
}

@media (min-width: 1180px) {
  .page-news .news-board__grid {
    grid-template-columns: var(--news-rail-w) minmax(0, 1fr) var(--news-aside-w);
  }
}

/* 档期索引 */
.page-news .issue-rail {
  padding: 14px 0 0;
  border-top: 1px solid var(--line-strong);
}

@media (min-width: 900px) {
  .page-news .issue-rail {
    position: sticky;
    top: 96px;
    padding-top: 12px;
    border-top-color: var(--cyan);
  }
}

.page-news .issue-rail__label,
.page-news .line-rail__label {
  margin: 0 0 12px;
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--amber);
}

.page-news .issue-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: thin;
  padding-bottom: 4px;
}

@media (min-width: 900px) {
  .page-news .issue-list {
    display: grid;
    gap: 0;
    overflow: visible;
    padding-bottom: 0;
  }
}

.page-news .issue-link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 9px 12px;
  white-space: nowrap;
  font-size: 13px;
  color: var(--mist);
  text-decoration: none;
  border: 1px solid var(--line);
  border-radius: 999px;
  transition: color 0.25s ease, border-color 0.25s ease, background 0.25s ease;
}

.page-news .issue-link .mono {
  font-size: 11px;
  color: var(--sage);
  letter-spacing: 0.04em;
}

@media (min-width: 900px) {
  .page-news .issue-link {
    border: 0;
    border-radius: 0;
    border-left: 2px solid transparent;
    padding: 8px 0 8px 12px;
    font-size: 14px;
  }
}

.page-news .issue-link:hover,
.page-news .issue-link:focus-visible {
  color: var(--cyan);
  border-color: var(--line-strong);
  background: rgba(59, 242, 206, 0.06);
}

@media (min-width: 900px) {
  .page-news .issue-link:hover,
  .page-news .issue-link:focus-visible {
    border-left-color: var(--cyan);
  }
}

.page-news .issue-link:hover .mono,
.page-news .issue-link:focus-visible .mono {
  color: var(--amber);
}

/* 筛选 */
.page-news .feed-filter {
  position: relative;
  margin-bottom: clamp(22px, 3vw, 34px);
  padding: 12px;
  background: var(--glass);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.page-news .feed-filter__input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-news .feed-filter__chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  border-radius: 8px;
}

.page-news .feed-filter__input:focus-visible ~ .feed-filter__chips {
  outline: 2px solid var(--cyan);
  outline-offset: 4px;
}

.page-news .feed-chip {
  cursor: pointer;
  padding: 8px 14px;
  font-size: 13px;
  color: var(--mist);
  background: rgba(12, 35, 29, 0.9);
  border: 1px solid var(--line);
  border-radius: 999px;
  transition: color 0.22s ease, border-color 0.22s ease, background 0.22s ease;
  user-select: none;
}

.page-news .feed-chip:hover {
  color: var(--cool);
  border-color: var(--line-strong);
}

.page-news #f-all:checked ~ .feed-filter__chips label[for="f-all"],
.page-news #f-tactic:checked ~ .feed-filter__chips label[for="f-tactic"],
.page-news #f-injury:checked ~ .feed-filter__chips label[for="f-injury"],
.page-news #f-transfer:checked ~ .feed-filter__chips label[for="f-transfer"],
.page-news #f-data:checked ~ .feed-filter__chips label[for="f-data"] {
  color: var(--ink);
  background: var(--cyan);
  border-color: var(--cyan);
  font-weight: 700;
}

.page-news #f-tactic:checked ~ .feed__groups .feed-item:not([data-line="tactic"]),
.page-news #f-injury:checked ~ .feed__groups .feed-item:not([data-line="injury"]),
.page-news #f-transfer:checked ~ .feed__groups .feed-item:not([data-line="transfer"]),
.page-news #f-data:checked ~ .feed__groups .feed-item:not([data-line="data"]) {
  display: none;
}

/* 分组 */
.page-news .feed__group {
  scroll-margin-top: 104px;
}

.page-news .feed__group + .feed__group {
  margin-top: clamp(30px, 4vw, 52px);
}

.page-news .feed__group-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line-strong);
}

.page-news .feed__group-title {
  margin: 0;
  font-size: clamp(1.15rem, 2vw, 1.4rem);
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--cool);
}

.page-news .feed__group-meta {
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--sage);
}

.page-news .feed__group:target .feed__group-head {
  border-bottom-color: var(--cyan);
}

.page-news .feed__group:target .feed__group-title {
  color: var(--cyan);
}

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

.page-news .feed-item {
  border-bottom: 1px solid var(--line);
}

.page-news .feed-item__inner {
  display: grid;
  grid-template-columns: 38px minmax(0, 1fr);
  gap: 12px;
  padding: 16px 12px 16px 14px;
  border-left: 2px solid transparent;
  transition: transform 0.28s ease, border-color 0.28s ease, background 0.28s ease;
}

.page-news .feed-item:hover .feed-item__inner {
  transform: translateX(6px);
  border-left-color: var(--cyan);
  background: var(--news-glow);
}

.page-news .feed-item__no {
  font-size: 12px;
  line-height: 1.9;
  color: var(--sage);
}

.page-news .feed-item__body {
  min-width: 0;
}

.page-news .feed-item__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-bottom: 7px;
}

.page-news .feed-item__time {
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--sage);
}

.page-news .feed-item__title {
  margin: 0;
  font-size: clamp(0.98rem, 1.25vw, 1.0625rem);
  font-weight: 600;
  line-height: 1.55;
  color: var(--cool);
}

.page-news .feed-item__note {
  margin: 6px 0 0;
  font-size: 13px;
  line-height: 1.65;
  color: var(--sage);
}

/* 订阅引导条 */
.page-news .subscribe-bar {
  margin-top: clamp(30px, 4vw, 48px);
  padding: clamp(20px, 2.6vw, 30px);
  display: flex;
  flex-direction: column;
  gap: 18px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-lg);
  scroll-margin-top: 104px;
}

@media (min-width: 700px) {
  .page-news .subscribe-bar {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    gap: 26px;
  }
}

.page-news .subscribe-bar__copy {
  min-width: 0;
}

.page-news .subscribe-bar__title {
  margin: 10px 0 0;
  font-size: clamp(1.1rem, 1.8vw, 1.3rem);
  font-weight: 800;
  color: var(--cool);
}

.page-news .subscribe-bar__note {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--mist);
  max-width: 46ch;
}

.page-news .subscribe-bar .btn {
  flex: none;
  align-self: flex-start;
}

/* 专栏线目录 */
.page-news .line-rail {
  padding-top: 14px;
  border-top: 1px solid var(--line-strong);
}

@media (min-width: 1180px) {
  .page-news .line-rail {
    position: sticky;
    top: 96px;
  }
}

.page-news .line-rail__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 20px;
}

.page-news .line-rail__meta {
  margin: 8px 0 0;
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--amber);
}

.page-news .line-rail__desc {
  margin: 6px 0 0;
  font-size: 13px;
  line-height: 1.65;
  color: var(--sage);
}

/* ---------- 作者矩阵 ---------- */
.page-news .author-board__head {
  max-width: 46ch;
}

.page-news .author-board__intro {
  margin-top: 14px;
  max-width: 42ch;
  line-height: 1.78;
  color: var(--mist);
}

.page-news .author-board__grid {
  margin-top: clamp(26px, 3.6vw, 44px);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 3vw, 44px);
  align-items: start;
}

@media (min-width: 900px) {
  .page-news .author-board__grid {
    grid-template-columns: minmax(0, 1fr) 300px;
  }
}

.page-news .author-board__lines {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 2px;
}

@media (min-width: 700px) {
  .page-news .author-board__lines {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 22px;
  }
}

.page-news .line-block {
  padding: 20px;
  background: var(--panel);
  border-left: 2px solid var(--line-strong);
  transition: border-color 0.28s ease, background 0.28s ease;
}

.page-news .line-block:hover {
  border-left-color: var(--cyan);
  background: var(--panel-2);
}

.page-news .line-block__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.page-news .line-block__name {
  margin: 0;
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--cool);
}

.page-news .line-block__count {
  font-size: 12px;
  color: var(--cyan);
}

.page-news .line-block__freq {
  margin: 10px 0 0;
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--amber);
}

.page-news .line-block__focus {
  list-style: none;
  margin: 14px 0 0;
  padding: 14px 0 0;
  border-top: 1px solid var(--line);
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-news .line-block__focus li {
  padding: 5px 10px;
  font-size: 12px;
  color: var(--mist);
  border: 1px solid var(--line);
  border-radius: 999px;
}

.page-news .author-board__media {
  margin: 0;
}

.page-news .author-board__media .media-frame {
  border: 1px solid var(--line-strong);
  clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%, 0 0);
}

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

.page-news .author-board__caption {
  display: block;
  margin-top: 12px;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--sage);
}

/* ---------- 专题系列 ---------- */
.page-news .topic-board__head {
  max-width: 44ch;
}

.page-news .topic-board__intro {
  margin-top: 14px;
  max-width: 40ch;
  line-height: 1.78;
  color: var(--mist);
}

.page-news .topic-board__grid {
  margin-top: clamp(26px, 3.6vw, 44px);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(18px, 2.4vw, 30px);
}

@media (min-width: 900px) {
  .page-news .topic-board__grid {
    grid-template-columns: repeat(12, minmax(0, 1fr));
  }

  .page-news .topic-card--a {
    grid-column: span 7;
  }

  .page-news .topic-card--b {
    grid-column: span 5;
  }

  .page-news .topic-card--c {
    grid-column: span 12;
  }
}

.page-news .topic-card {
  background: var(--panel);
  border: 1px solid var(--line);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 22px), calc(100% - 22px) 100%, 0 100%);
  overflow: hidden;
  transition: background 0.3s ease;
}

.page-news .topic-card:hover {
  background: var(--panel-2);
}

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

.page-news .topic-card__body {
  padding: clamp(18px, 2.4vw, 26px);
}

.page-news .topic-card__title {
  margin: 12px 0 0;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: clamp(1.1rem, 1.7vw, 1.35rem);
  line-height: 1.45;
  color: var(--cool);
}

.page-news .topic-card__desc {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist);
  max-width: 46ch;
}

.page-news .topic-card__details {
  margin-top: 16px;
  border-top: 1px solid var(--line);
  padding-top: 14px;
}

.page-news .topic-card__details summary {
  cursor: pointer;
  list-style: none;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--cyan);
}

.page-news .topic-card__details summary::-webkit-details-marker {
  display: none;
}

.page-news .topic-card__details summary::after {
  content: "+";
  font-size: 14px;
  color: var(--amber);
  transition: transform 0.25s ease;
}

.page-news .topic-card__details[open] summary::after {
  transform: rotate(45deg);
}

.page-news .topic-card__list {
  margin: 14px 0 0;
  padding-left: 18px;
  display: grid;
  gap: 8px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--mist);
}

.page-news .topic-card__list li::marker {
  color: var(--sage);
}

@media (min-width: 900px) {
  .page-news .topic-card--c {
    display: grid;
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: center;
  }
}

/* ---------- 页尾去向 ---------- */
.page-news .news-next__title {
  margin: 0 0 clamp(22px, 3vw, 34px);
  max-width: 30ch;
}

.page-news .news-next__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 2px;
}

@media (min-width: 820px) {
  .page-news .news-next__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 22px;
  }
}

.page-news .news-next__item {
  display: block;
  padding: 24px 20px;
  background: var(--panel);
  border-top: 2px solid var(--line-strong);
  text-decoration: none;
  color: inherit;
  transition: border-color 0.28s ease, background 0.28s ease, transform 0.28s ease;
}

.page-news .news-next__item:hover,
.page-news .news-next__item:focus-visible {
  border-top-color: var(--cyan);
  background: var(--panel-2);
  transform: translateY(-3px);
}

.page-news .news-next__no {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--amber);
}

.page-news .news-next__item h3 {
  margin: 12px 0 0;
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--cool);
}

.page-news .news-next__item p {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--sage);
}

.page-news .news-next__go {
  display: inline-block;
  margin-top: 16px;
  font-size: 13px;
  font-weight: 600;
  color: var(--cyan);
}

.page-news .news-next__item:hover .news-next__go {
  text-decoration: underline;
  text-underline-offset: 4px;
}

/* ---------- 动效降级 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-news .pick,
  .page-news .feed-item__inner,
  .page-news .news-next__item,
  .page-news .topic-card__details summary::after {
    transition-duration: 0.01ms;
  }

  .page-news .pick:hover,
  .page-news .feed-item:hover .feed-item__inner,
  .page-news .news-next__item:hover {
    transform: none;
  }
}