/* ===== 趋势观察 /trends/ 页面专属样式，全部限定在 .page-news 作用域内 ===== */

.page-news {
  --news-ink: #E7EDF4;
  --news-ink-soft: rgba(231, 237, 244, 0.72);
  --news-line: var(--hairline);
  --news-line-strong: var(--hairline-strong);
  --news-paper-ink: #071A2F;
  --news-paper-soft: rgba(7, 26, 47, 0.68);
  background: var(--sea);
  color: var(--news-ink);
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
}

.page-news .num {
  font-family: var(--font-num);
  font-variant-numeric: tabular-nums;
}

/* ---------- 面包屑 ---------- */
.page-news .breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding: 22px 0 10px;
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  color: var(--mist);
}

.page-news .breadcrumbs a {
  color: var(--silver);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s ease, color 0.2s ease;
}

.page-news .breadcrumbs a:hover {
  color: #FFFFFF;
  border-bottom-color: var(--lava);
}

.page-news .breadcrumbs span[aria-current="page"] {
  color: var(--lava);
}

.page-news .news-crumb-sep {
  color: rgba(138, 151, 166, 0.55);
}

/* ---------- 列表刊头 ---------- */
.page-news .news-masthead {
  position: relative;
  overflow: hidden;
  border-top: 1px solid var(--news-line);
  border-bottom: 1px solid var(--news-line);
  background:
    radial-gradient(90% 120% at 88% 0%, rgba(79, 240, 208, 0.14), transparent 58%),
    linear-gradient(150deg, var(--night) 0%, var(--sea) 72%);
}

.page-news .news-masthead::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(114deg, transparent 63%, rgba(255, 90, 31, 0.14) 63%, rgba(255, 90, 31, 0.14) 66%, transparent 66%);
}

.page-news .news-masthead::after {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 112px;
  height: 3px;
  background: linear-gradient(90deg, var(--lava), var(--cyan));
}

.page-news .news-masthead-inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 30px;
  padding: 46px 0 54px;
}

.page-news .news-masthead-copy {
  min-width: 0;
}

.page-news .news-kicker {
  margin: 0 0 16px;
  font-family: var(--font-num);
  font-size: 0.7rem;
  letter-spacing: 0.26em;
  color: var(--cyan);
}

.page-news .news-masthead h1 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2.8rem, 12vw, 5.4rem);
  line-height: 0.9;
  letter-spacing: -0.035em;
  color: #FFFFFF;
}

.page-news .news-standfirst {
  margin: 22px 0 0;
  max-width: 46ch;
  font-size: clamp(0.94rem, 2.4vw, 1.06rem);
  line-height: 1.78;
  color: var(--news-ink-soft);
}

.page-news .news-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 16px 34px;
  margin: 28px 0 0;
  padding: 18px 0 0;
  list-style: none;
  border-top: 1px solid var(--news-line);
}

.page-news .news-meta li {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 84px;
}

.page-news .news-meta-num {
  font-size: 1.5rem;
  font-weight: 700;
  line-height: 1;
  color: var(--cyan);
}

.page-news .news-meta-label {
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  color: var(--mist);
}

.page-news .news-masthead-media {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--news-line-strong);
  border-radius: var(--radius);
  background: var(--night);
  box-shadow: var(--shadow-soft);
}

.page-news .news-masthead-media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: clamp(210px, 34vw, 400px);
  object-fit: cover;
  filter: contrast(1.12) saturate(1.04);
}

.page-news .news-masthead-media::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(198deg, rgba(11, 36, 71, 0.12), rgba(7, 26, 47, 0.74));
}

/* ---------- 区块节奏 ---------- */
.page-news .section {
  padding: 54px 0;
}

.page-news .chapter {
  margin-bottom: 26px;
}

.page-news .chapter-title {
  color: #FFFFFF;
}

.page-news .chapter-index {
  display: block;
  font-size: clamp(2.2rem, 8vw, 3.6rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.04em;
  color: rgba(199, 208, 218, 0.16);
  -webkit-text-stroke: 1px rgba(199, 208, 218, 0.42);
}

.page-news .chapter-lead {
  max-width: 62ch;
  color: var(--news-ink-soft);
}

/* ---------- 02 筛选条 ---------- */
.page-news .news-filter {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  padding: 18px 0;
  border-top: 1px solid var(--news-line);
  border-bottom: 1px solid var(--news-line);
}

.page-news .news-filter .filter-btn {
  appearance: none;
  -webkit-appearance: none;
  min-height: 44px;
  padding: 9px 18px;
  border: 1px solid var(--news-line-strong);
  border-radius: 100px;
  background: transparent;
  color: var(--silver);
  font-family: var(--font-body);
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  cursor: pointer;
  transition: background-color 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

.page-news .news-filter .filter-btn:hover {
  border-color: var(--lava);
  color: #FFFFFF;
}

.page-news .news-filter .filter-btn:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-news .news-filter .filter-btn[aria-pressed="true"] {
  background: var(--lava);
  border-color: var(--lava);
  color: #0A0F16;
  font-weight: 700;
}

.page-news .news-filter-count {
  margin: 0 0 0 auto;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  color: var(--mist);
}

.page-news .news-filter-count .num {
  font-size: 1.05rem;
  color: var(--cyan);
}

/* ---------- 专题目录列表 ---------- */
.page-news .news-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-news .news-item {
  border-bottom: 1px solid var(--news-line);
  transition: opacity 0.35s ease;
}

.page-news .news-item:first-child {
  border-top: 1px solid var(--news-line);
}

.page-news .news-item.is-filtered-out {
  display: none;
}

.page-news .news-entry {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  padding: 26px 0;
}

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

.page-news .news-num {
  display: block;
  font-size: 1.7rem;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.04em;
  color: rgba(199, 208, 218, 0.2);
  -webkit-text-stroke: 1px rgba(199, 208, 218, 0.42);
  transition: color 0.25s ease;
}

.page-news .news-item:hover .news-num,
.page-news .news-item:focus-within .news-num {
  color: var(--lava);
  -webkit-text-stroke-color: var(--lava);
}

.page-news .news-tagrow {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-news .news-tagrow .tag {
  display: inline-flex;
  align-items: center;
  padding: 4px 11px;
  border: 1px solid var(--news-line-strong);
  border-radius: 100px;
  font-size: 0.67rem;
  letter-spacing: 0.14em;
  color: var(--silver);
}

.page-news .news-title {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.14rem, 3.6vw, 1.5rem);
  line-height: 1.3;
  letter-spacing: -0.012em;
  color: #FFFFFF;
}

.page-news .news-excerpt {
  margin: 12px 0 0;
  max-width: 64ch;
  font-size: 0.9rem;
  line-height: 1.78;
  color: var(--news-ink-soft);
}

.page-news .news-details {
  margin-top: 10px;
}

.page-news .news-details summary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  color: var(--cyan);
  cursor: pointer;
  list-style: none;
}

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

.page-news .news-details summary::after {
  content: "＋";
  font-family: var(--font-num);
  font-size: 0.9rem;
}

.page-news .news-details[open] summary::after {
  content: "－";
}

.page-news .news-details summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-news .news-details p {
  margin: 4px 0 0;
  max-width: 66ch;
  padding-left: 16px;
  border-left: 2px solid var(--lava);
  font-size: 0.85rem;
  line-height: 1.82;
  color: rgba(199, 208, 218, 0.8);
}

.page-news .news-aside {
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-width: 0;
}

.page-news .spark {
  display: block;
  width: 100%;
  max-width: 200px;
  height: auto;
}

.page-news .spark polyline {
  fill: none;
  stroke: var(--cyan);
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.page-news .spark--lava polyline {
  stroke: var(--lava);
}

.page-news .spark--turf polyline {
  stroke: var(--turf);
}

.page-news .news-aside-label {
  font-family: var(--font-num);
  font-size: 0.64rem;
  letter-spacing: 0.16em;
  color: var(--mist);
}

/* ---------- 03 轮次观察系列 ---------- */
.page-news .round-panel {
  display: grid;
  gap: 28px;
}

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

.page-news .round-row {
  border-top: 1px solid var(--news-line);
}

.page-news .round-row:last-child {
  border-bottom: 1px solid var(--news-line);
}

.page-news .round-link {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  gap: 10px 16px;
  min-height: 44px;
  padding: 18px 4px;
  color: inherit;
  text-decoration: none;
  transition: background-color 0.2s ease, padding-left 0.2s ease;
}

.page-news .round-link:hover {
  background: rgba(79, 240, 208, 0.07);
  padding-left: 12px;
}

.page-news .round-link:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: -2px;
}

.page-news .round-no {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--lava);
  line-height: 1;
}

.page-news .round-name {
  font-size: 0.92rem;
  line-height: 1.6;
  color: var(--news-ink);
}

.page-news .round-tag {
  grid-column: 2;
  justify-self: start;
  font-family: var(--font-num);
  font-size: 0.64rem;
  letter-spacing: 0.14em;
  color: var(--turf);
  white-space: nowrap;
}

.page-news .round-media {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--news-line-strong);
  border-radius: var(--radius);
  background: var(--night);
}

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

.page-news .round-caption,
.page-news .odds-caption,
.page-news .method-caption {
  padding: 12px 16px;
  font-size: 0.72rem;
  line-height: 1.7;
  letter-spacing: 0.04em;
}

.page-news .round-caption {
  color: var(--mist);
}

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

.page-news .link-inline {
  display: inline-block;
  min-height: 44px;
  line-height: 44px;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(79, 240, 208, 0.4);
  transition: border-color 0.2s ease, color 0.2s ease;
}

.page-news .link-inline:hover {
  color: #FFFFFF;
  border-bottom-color: var(--lava);
}

/* ---------- 04 赔率变化回顾（暖白分区） ---------- */
.page-news .section--paper,
.page-news .news-odds {
  background: var(--paper);
  color: var(--news-paper-ink);
}

.page-news .news-odds .chapter-title {
  color: var(--sea);
}

.page-news .news-odds .chapter-index {
  color: rgba(7, 26, 47, 0.1);
  -webkit-text-stroke-color: rgba(7, 26, 47, 0.3);
}

.page-news .news-odds .chapter-lead {
  color: var(--news-paper-soft);
}

.page-news .odds-grid {
  display: grid;
  gap: 28px;
}

.page-news .odds-media {
  margin: 0;
  overflow: hidden;
  border: 1px solid rgba(7, 26, 47, 0.18);
  border-radius: var(--radius);
  background: var(--night);
}

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

.page-news .odds-caption {
  background: rgba(7, 26, 47, 0.06);
  color: rgba(245, 241, 232, 0.78);
  background: var(--night);
}

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

.page-news .odds-list li {
  padding-left: 16px;
  border-left: 3px solid var(--lava);
}

.page-news .odds-list strong {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1rem;
  color: var(--sea);
}

.page-news .odds-list p {
  margin: 0;
  font-size: 0.86rem;
  line-height: 1.78;
  color: var(--news-paper-soft);
}

.page-news .odds-disclaimer {
  margin: 26px 0 0;
  padding-top: 18px;
  border-top: 1px solid rgba(7, 26, 47, 0.16);
  font-size: 0.78rem;
  line-height: 1.78;
  color: rgba(7, 26, 47, 0.62);
}

/* ---------- 05 数据方法手记 ---------- */
.page-news .method-layout {
  display: grid;
  gap: 30px;
}

.page-news .method-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: method;
}

.page-news .method-steps li {
  position: relative;
  counter-increment: method;
  padding: 22px 0 22px 56px;
  border-bottom: 1px solid var(--news-line);
}

.page-news .method-steps li:first-child {
  border-top: 1px solid var(--news-line);
}

.page-news .method-steps li::before {
  content: "0" counter(method);
  position: absolute;
  left: 0;
  top: 24px;
  font-family: var(--font-num);
  font-size: 0.9rem;
  letter-spacing: 0.06em;
  color: var(--cyan);
}

.page-news .method-steps strong {
  display: block;
  margin-bottom: 7px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1rem;
  color: #FFFFFF;
}

.page-news .method-steps p {
  margin: 0;
  font-size: 0.86rem;
  line-height: 1.8;
  color: var(--news-ink-soft);
}

.page-news .method-media {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--news-line-strong);
  border-radius: var(--radius);
  background: var(--night);
}

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

.page-news .method-caption {
  color: var(--mist);
}

/* ---------- 06 跟进与纠错 ---------- */
.page-news .news-help-card {
  display: grid;
  gap: 24px;
  padding: 30px 24px;
  border: 1px solid var(--news-line-strong);
  border-radius: var(--radius);
  background:
    radial-gradient(120% 160% at 90% 0%, rgba(255, 90, 31, 0.16), transparent 58%),
    linear-gradient(140deg, var(--night), var(--sea));
  box-shadow: var(--shadow-soft);
}

.page-news .news-help-kicker {
  margin: 0 0 12px;
  font-family: var(--font-num);
  font-size: 0.68rem;
  letter-spacing: 0.24em;
  color: var(--cyan);
}

.page-news .news-help-card h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.4rem, 5vw, 2.1rem);
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: #FFFFFF;
}

.page-news .news-help-text {
  margin: 16px 0 0;
  max-width: 54ch;
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--news-ink-soft);
}

.page-news .news-help-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 18px;
}

.page-news .news-help-actions .btn {
  min-height: 44px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 600px) {
  .page-news .round-link {
    grid-template-columns: auto minmax(0, 1fr) auto;
  }

  .page-news .round-tag {
    grid-column: auto;
    justify-self: end;
  }
}

@media (min-width: 820px) {
  .page-news .section {
    padding: 78px 0;
  }

  .page-news .news-entry {
    grid-template-columns: 76px minmax(0, 1fr) 172px;
    gap: 34px;
    align-items: start;
    padding: 34px 0;
  }

  .page-news .news-num {
    font-size: 2.35rem;
  }

  .page-news .spark {
    max-width: 100%;
  }
}

@media (min-width: 900px) {
  .page-news .news-masthead-inner {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: center;
    gap: 48px;
    padding: 66px 0 74px;
  }

  .page-news .round-panel {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 0.9fr);
    gap: 52px;
    align-items: start;
  }

  .page-news .odds-grid {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    gap: 48px;
    align-items: center;
  }

  .page-news .method-layout {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 52px;
    align-items: start;
  }

  .page-news .news-help-card {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 40px;
    padding: 42px 48px;
  }
}

@media (max-width: 599px) {
  .page-news .news-filter-count {
    width: 100%;
    margin-left: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news * {
    transition-duration: 0.01ms !important;
  }
}