/* ===== 观察报告 /reports/ ===== */

.page-news {
  --news-gap: clamp(.9rem, 2.4vw, 1.5rem);
  --news-dot: var(--mint);
}

/* ---------- 首屏 ---------- */

.page-news .news-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(1.6rem, 5vw, 3rem) 0 clamp(2rem, 5vw, 3.4rem);
}

.page-news .news-hero::after {
  content: "";
  position: absolute;
  top: -34%;
  right: -20%;
  width: min(760px, 96vw);
  height: min(560px, 74vw);
  background: radial-gradient(closest-side, rgba(123, 97, 255, .34), rgba(10, 15, 44, 0) 72%);
  pointer-events: none;
  z-index: 0;
}

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

.page-news .news-hero__title {
  margin: var(--sp-3) 0 var(--sp-3);
  max-width: 22ch;
  color: var(--text);
}

.page-news .news-hero__lede {
  max-width: 56ch;
  margin: 0;
  color: var(--muted);
}

.page-news .hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-3) clamp(1.6rem, 6vw, 3.6rem);
  margin: clamp(1.8rem, 5vw, 3rem) 0 0;
  padding: var(--sp-4) 0 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.page-news .hero-stats__item {
  display: flex;
  flex-direction: column;
  gap: .3rem;
  min-width: 5.5rem;
}

.page-news .hero-stats__num {
  font-family: var(--mono);
  font-size: clamp(1.5rem, 5vw, 2.1rem);
  line-height: 1;
  font-weight: 500;
  color: var(--cyan);
  letter-spacing: -.01em;
}

.page-news .hero-stats__label {
  font-size: .8rem;
  color: var(--muted);
  letter-spacing: .02em;
}

/* ---------- 系列筛选带 ---------- */

.page-news .series-band {
  padding: var(--sp-4) 0 var(--sp-3);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(20, 26, 63, .8), rgba(10, 15, 44, 0));
}

.page-news .series-band__label {
  margin: 0 0 var(--sp-3);
  font-size: .82rem;
  font-weight: 500;
  letter-spacing: .08em;
  color: var(--muted);
  text-transform: uppercase;
}

.page-news .series-band__bar {
  display: flex;
  gap: var(--sp-2);
  overflow-x: auto;
  padding: 2px 2px var(--sp-2);
  scrollbar-width: thin;
  scrollbar-color: var(--line) transparent;
  -webkit-overflow-scrolling: touch;
}

.page-news .series-band__bar::-webkit-scrollbar {
  height: 4px;
}

.page-news .series-band__bar::-webkit-scrollbar-thumb {
  background: var(--line);
  border-radius: var(--r-pill);
}

.page-news .series-band__bar .chip {
  flex: 0 0 auto;
}

.page-news .filter-status {
  min-height: 1.2em;
  margin: var(--sp-2) 0 0;
  font-family: var(--mono);
  font-size: .78rem;
  letter-spacing: .02em;
  color: var(--muted);
}

/* ---------- 报告列表 ---------- */

.page-news .news-list {
  padding-top: clamp(2rem, 5vw, 3.4rem);
}

.page-news .report-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--news-gap);
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .report-item {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
  padding: var(--sp-4) var(--sp-4) var(--sp-3);
  padding-left: calc(var(--sp-4) + .5rem);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: var(--panel);
  overflow: hidden;
  --accent: var(--cyan);
}

.page-news .report-item::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 3px;
  background: linear-gradient(180deg, var(--accent), transparent 88%);
  opacity: .95;
}

.page-news .report-item[data-tags~="延迟实测"] { --accent: var(--cyan); }
.page-news .report-item[data-tags~="结算口径"] { --accent: var(--violet); }
.page-news .report-item[data-tags~="换厅路径"] { --accent: var(--mint); }
.page-news .report-item[data-tags~="档位观察"] { --accent: var(--amber); }
.page-news .report-item[data-tags~="编排笔记"] { --accent: var(--coral); }
.page-news .report-item[data-tags~="版本记录"] { --accent: var(--muted); }

.page-news .report-item--wide {
  padding: clamp(1.4rem, 4vw, 2.2rem);
  padding-left: clamp(1.6rem, 4.4vw, 2.4rem);
  background: linear-gradient(140deg, rgba(20, 26, 63, .96), rgba(10, 15, 44, .92));
}

.page-news .report-item__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  max-width: none;
  object-fit: cover;
  opacity: .13;
  z-index: 0;
  pointer-events: none;
}

.page-news .report-item--wide > *:not(.report-item__bg) {
  position: relative;
  z-index: 1;
}

.page-news .report-item__top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--sp-2);
}

.page-news .report-item .tag {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, .04);
  color: var(--accent);
}

.page-news .report-time {
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  font-family: var(--mono);
  font-size: .76rem;
  letter-spacing: .05em;
  color: var(--muted);
}

.page-news .report-time::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--news-dot);
  box-shadow: 0 0 10px -2px rgba(91, 231, 169, .8);
  animation: news-dot-pulse 2.4s ease-in-out infinite;
}

@keyframes news-dot-pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: .45; transform: scale(.82); }
}

.page-news .report-item__title {
  margin: var(--sp-1) 0 0;
  font-size: clamp(1.1rem, 3.4vw, 1.4rem);
  font-weight: 700;
  line-height: 1.5;
  color: var(--text);
  letter-spacing: -.005em;
}

.page-news .report-item--wide .report-item__title {
  font-size: clamp(1.3rem, 4.4vw, 1.9rem);
}

.page-news .report-item__body {
  margin: 0;
  max-width: 62ch;
  font-size: .95rem;
  line-height: 1.9;
  color: var(--muted);
}

.page-news .report-thumb {
  margin: var(--sp-2) 0 0;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  overflow: hidden;
  background: rgba(10, 15, 44, .6);
}

.page-news .report-thumb img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
}

.page-news .report-item__more {
  margin-top: auto;
  padding-top: var(--sp-2);
  border-top: 1px solid var(--line);
}

.page-news .report-item__more .accordion__summary {
  font-size: .84rem;
  color: var(--accent);
}

.page-news .report-item__more .accordion__body p {
  margin: 0;
  font-size: .88rem;
  line-height: 1.85;
  color: var(--muted);
}

/* ---------- 专题系列 ---------- */

.page-news .series-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-3);
  margin: 0 0 var(--sp-5);
  padding: 0;
  list-style: none;
}

.page-news .series-card {
  position: relative;
  padding: var(--sp-4);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: rgba(20, 26, 63, .72);
  overflow: hidden;
  --accent: var(--cyan);
}

.page-news .series-card::after {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), transparent 90%);
}

.page-news .series-card[data-series="延迟实测"] { --accent: var(--cyan); }
.page-news .series-card[data-series="结算口径"] { --accent: var(--violet); }
.page-news .series-card[data-series="换厅路径"] { --accent: var(--mint); }
.page-news .series-card[data-series="档位观察"] { --accent: var(--amber); }
.page-news .series-card[data-series="编排笔记"] { --accent: var(--coral); }
.page-news .series-card[data-series="版本记录"] { --accent: var(--muted); }

.page-news .series-card__name {
  margin: 0 0 var(--sp-1);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text);
}

.page-news .series-card__freq {
  margin: 0 0 var(--sp-2);
  font-family: var(--mono);
  font-size: .76rem;
  letter-spacing: .06em;
  color: var(--accent);
}

.page-news .series-card__desc {
  margin: 0;
  font-size: .9rem;
  line-height: 1.85;
  color: var(--muted);
}

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

.page-news .series-figure img,
.page-news .record-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 实测口径 ---------- */

.page-news .method-cols {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-4);
}

.page-news .method-cols__lead {
  margin: 0 0 var(--sp-4);
  max-width: 58ch;
  font-size: 1rem;
  line-height: 1.9;
  color: var(--text);
}

.page-news .method-cols__side {
  padding: var(--sp-4);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: linear-gradient(200deg, rgba(123, 97, 255, .16), rgba(20, 26, 63, .5) 62%);
}

.page-news .method-cols__side-title {
  margin: 0 0 var(--sp-2);
  font-size: .95rem;
  font-weight: 700;
  color: var(--violet);
  letter-spacing: .04em;
}

.page-news .method-cols__side p {
  margin: 0 0 var(--sp-3);
  font-size: .92rem;
  line-height: 1.9;
  color: var(--muted);
}

.page-news .method-cols__note {
  padding-top: var(--sp-3);
  border-top: 1px solid var(--line);
  margin-bottom: 0 !important;
  font-size: .85rem !important;
  color: var(--text) !important;
}

/* ---------- 记录结构 ---------- */

.page-news .record-figure {
  margin: 0 0 var(--sp-5);
}

.page-news .record-table__scroll {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  -webkit-overflow-scrolling: touch;
}

.page-news .record-table {
  width: 100%;
  min-width: 34rem;
}

.page-news .record-table th,
.page-news .record-table td {
  white-space: nowrap;
}

.page-news .record-table td:not(.num) {
  font-family: var(--mono);
  font-size: .84rem;
  letter-spacing: .01em;
}

.page-news .record-table__note {
  margin: var(--sp-3) 0 0;
  max-width: 64ch;
  font-size: .88rem;
  line-height: 1.9;
  color: var(--muted);
}

/* ---------- 阅读约定 ---------- */

.page-news .conventions-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-3);
  margin-bottom: var(--sp-5);
}

.page-news .conventions-card {
  padding: var(--sp-4);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: rgba(20, 26, 63, .6);
}

.page-news .conventions-card__title {
  margin: 0 0 var(--sp-2);
  font-size: 1rem;
  font-weight: 700;
  color: var(--text);
}

.page-news .conventions-card p {
  margin: 0;
  font-size: .92rem;
  line-height: 1.9;
  color: var(--muted);
}

.page-news .news-links {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-2);
}

.page-news .news-links__item {
  display: flex;
  flex-direction: column;
  gap: .3rem;
  padding: var(--sp-3) var(--sp-4);
  border: 1px solid var(--line);
  border-radius: var(--r-pill);
  text-decoration: none;
  transition: border-color .25s ease, transform .25s ease;
}

.page-news .news-links__item:hover,
.page-news .news-links__item:focus-visible {
  border-color: var(--violet);
  transform: translateX(3px);
}

.page-news .news-links__label {
  font-size: .95rem;
  font-weight: 700;
  color: var(--cyan);
}

.page-news .news-links__desc {
  font-size: .84rem;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 响应式 ---------- */

@media (min-width: 640px) {
  .page-news .series-grid,
  .page-news .conventions-grid,
  .page-news .news-links {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-news .report-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-news .report-item--wide {
    grid-column: 1 / -1;
  }

  .page-news .method-cols {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
    align-items: start;
    gap: clamp(1.6rem, 4vw, 3rem);
  }

  .page-news .news-hero__lede {
    font-size: 1.05rem;
  }
}

@media (min-width: 1040px) {
  .page-news .series-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-news .news-links {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-news .news-links__item {
    border-radius: var(--r-md);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .report-time::before {
    animation: none;
  }

  .page-news .news-links__item {
    transition: none;
  }

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