.page-news {
  --rpt-gap: clamp(30px, 5vw, 58px);
  --rpt-radius: var(--r-md);
  display: block;
}

.page-news .rpt-crumb-sep {
  margin: 0 8px;
  color: var(--line);
}

/* ---------- 首屏 ---------- */
.page-news .rpt-head {
  padding: clamp(16px, 3vw, 28px) 0 0;
}

.page-news .rpt-head__inner {
  display: grid;
  gap: 14px;
  padding-bottom: clamp(22px, 3.6vw, 38px);
}

.page-news .rpt-head__title {
  margin: 0;
  font-family: var(--f-display);
  font-weight: 800;
  font-size: clamp(29px, 6.4vw, 58px);
  line-height: 1.08;
  letter-spacing: -0.01em;
  color: var(--ink);
  max-width: 21ch;
}

.page-news .rpt-head__lede {
  margin: 0;
  max-width: 62ch;
  font-family: var(--f-serif);
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.85;
  color: var(--muted);
}

.page-news .rpt-head__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 4px;
}

.page-news .rpt-head__media {
  padding-bottom: var(--rpt-gap);
}

.page-news .rpt-head__media .media,
.page-news .rpt-feed__media,
.page-news .rpt-panel-sec__media,
.page-news .rpt-trend__figure {
  position: relative;
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: var(--panel);
}

.page-news .media--21x9 { aspect-ratio: 21 / 9; }
.page-news .media--16x9 { aspect-ratio: 16 / 9; }
.page-news .media--4x3 { aspect-ratio: 4 / 3; }

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

.page-news .media__tag {
  position: absolute;
  left: 12px;
  bottom: 12px;
  padding: 4px 10px;
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--accent);
  background: rgba(5, 9, 15, 0.78);
  border: 1px solid rgba(57, 255, 158, 0.35);
  border-radius: var(--r-pill);
}

/* ---------- 横向主题带 ---------- */
.page-news .rpt-band {
  position: relative;
  margin: 0 0 var(--rpt-gap);
  padding: clamp(24px, 3.6vw, 36px) 0;
  background:
    linear-gradient(180deg, rgba(34, 211, 238, 0.09), rgba(57, 255, 158, 0.03) 62%, transparent),
    var(--panel);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-news .rpt-band::after {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 2px;
  background: linear-gradient(90deg, var(--cyan), var(--accent) 52%, transparent);
}

.page-news .rpt-band__inner {
  display: grid;
  gap: 14px;
}

.page-news .rpt-band__key {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--cyan);
}

.page-news .rpt-band__title {
  margin: 0;
  font-family: var(--f-display);
  font-weight: 700;
  font-size: clamp(21px, 3.4vw, 31px);
  line-height: 1.24;
  color: var(--ink);
}

.page-news .rpt-band__list {
  list-style: none;
  margin: 6px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-news .rpt-band__item {
  display: grid;
  grid-template-columns: 12px 1fr;
  gap: 12px;
  align-items: start;
  font-size: 15px;
  line-height: 1.72;
  color: var(--ink);
}

.page-news .rpt-band__dot {
  width: 8px;
  height: 8px;
  margin-top: 8px;
  border-radius: 2px;
  background: var(--accent);
  box-shadow: 0 0 10px rgba(57, 255, 158, 0.5);
}

.page-news .rpt-band__item p {
  margin: 0;
}

/* ---------- 条目列表 ---------- */
.page-news .rpt-feed__head {
  display: grid;
  gap: 8px;
  margin-bottom: clamp(16px, 2.4vw, 24px);
}

.page-news .rpt-feed__title,
.page-news .rpt-series__title,
.page-news .rpt-panel-sec__title,
.page-news .rpt-index__title,
.page-news .rpt-trend__title,
.page-news .rpt-sub__title {
  margin: 0;
  font-family: var(--f-display);
  font-weight: 700;
  font-size: clamp(23px, 4vw, 36px);
  line-height: 1.18;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-news .rpt-feed__note,
.page-news .rpt-series__note {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

.page-news .rpt-feed__media {
  margin-bottom: clamp(18px, 2.6vw, 26px);
}

.page-news .rpt-list {
  display: grid;
  gap: 10px;
}

.page-news .rpt-row {
  position: relative;
  border: 1px solid var(--line);
  border-radius: var(--rpt-radius);
  background: var(--panel);
  transition: border-color var(--t-base) var(--ease), background var(--t-base) var(--ease);
}

.page-news .rpt-row::before {
  content: "";
  position: absolute;
  left: 0;
  top: 12px;
  bottom: 12px;
  width: 2px;
  border-radius: 2px;
  background: var(--accent);
  opacity: 0;
  transition: opacity var(--t-base) var(--ease);
}

.page-news .rpt-row:hover {
  border-color: var(--cyan);
  background: var(--panel-soft);
}

.page-news .rpt-row:focus-within {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.page-news .rpt-row[open] {
  border-color: var(--accent-dim);
  background: var(--panel-soft);
}

.page-news .rpt-row[open]::before {
  opacity: 1;
}

.page-news .rpt-row__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 14px;
  padding: 16px 16px 16px 14px;
  min-height: 44px;
  cursor: pointer;
  list-style: none;
}

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

.page-news .rpt-row__head::marker {
  content: "";
}

.page-news .rpt-row__num {
  flex: 0 0 auto;
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--accent);
}

.page-news .rpt-row__main {
  flex: 1 1 260px;
  display: grid;
  gap: 8px;
  min-width: 0;
}

.page-news .rpt-row__title {
  font-family: var(--f-body);
  font-weight: 500;
  font-size: clamp(15px, 1.9vw, 17px);
  line-height: 1.55;
  color: var(--ink);
  transition: color var(--t-fast) var(--ease);
}

.page-news .rpt-row:hover .rpt-row__title {
  color: var(--accent);
}

.page-news .rpt-row__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.page-news .rpt-tag {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  font-size: 11px;
  line-height: 1.6;
  letter-spacing: 0.08em;
  white-space: nowrap;
  color: var(--muted);
  border: 1px solid var(--line-soft);
  border-radius: var(--r-pill);
}

.page-news .rpt-tag--accent {
  color: var(--accent);
  border-color: rgba(57, 255, 158, 0.38);
}

.page-news .rpt-tag--cyan {
  color: var(--cyan);
  border-color: rgba(34, 211, 238, 0.38);
}

.page-news .rpt-tag--alert {
  color: var(--alert);
  border-color: rgba(255, 77, 46, 0.42);
}

.page-news .rpt-row__tail {
  flex: 0 0 auto;
  margin-left: auto;
  font-family: var(--f-mono);
  font-variant-numeric: tabular-nums;
  color: var(--warn);
  border-color: rgba(255, 176, 32, 0.4);
}

.page-news .rpt-row__body {
  padding: 0 16px 18px 44px;
}

.page-news .rpt-row__body p {
  margin: 0;
  max-width: 66ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--muted);
}

/* ---------- 统计带 ---------- */
.page-news .rpt-stats {
  display: grid;
  gap: 1px;
  margin: 22px 0;
  padding: 0;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  overflow: hidden;
}

.page-news .rpt-stat {
  display: grid;
  gap: 4px;
  padding: 18px 18px 20px;
  background:
    linear-gradient(180deg, rgba(57, 255, 158, 0.05), transparent 70%),
    var(--panel);
}

.page-news .rpt-stat__num {
  font-size: clamp(28px, 6vw, 44px);
  font-weight: 700;
  line-height: 1;
  font-variant-numeric: tabular-nums;
  color: var(--accent);
}

.page-news .rpt-stat__label {
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--muted);
}

/* ---------- 专题系列 ---------- */
.page-news .rpt-series__head {
  display: grid;
  gap: 10px;
  margin-bottom: clamp(18px, 2.6vw, 26px);
}

.page-news .rpt-series__grid {
  display: grid;
  gap: 14px;
  grid-template-columns: 1fr;
}

.page-news .rpt-serie {
  padding: 20px 18px 22px;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background:
    radial-gradient(120% 90% at 0% 0%, rgba(34, 211, 238, 0.08), transparent 62%),
    var(--panel);
  transition: border-color var(--t-base) var(--ease), transform var(--t-base) var(--ease);
}

.page-news .rpt-serie:hover {
  border-color: var(--cyan);
  transform: translateY(-2px);
}

.page-news .rpt-serie__key {
  margin: 0 0 10px;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--cyan);
}

.page-news .rpt-serie__title {
  margin: 0 0 10px;
  font-family: var(--f-display);
  font-weight: 700;
  font-size: 20px;
  line-height: 1.25;
  color: var(--ink);
}

.page-news .rpt-serie__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 版本记录 ---------- */
.page-news .rpt-panel-sec__inner {
  display: grid;
  gap: clamp(20px, 3vw, 34px);
  align-items: start;
}

.page-news .rpt-panel-sec__text {
  display: grid;
  gap: 16px;
}

.page-news .rpt-panel-sec__lede {
  margin: 0;
  max-width: 62ch;
  font-family: var(--f-serif);
  font-size: 15px;
  line-height: 1.85;
  color: var(--muted);
}

.page-news .rpt-panel-sec .tabs {
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: var(--panel);
  overflow: hidden;
}

.page-news .rpt-panel-sec .tabs__list {
  display: flex;
  gap: 4px;
  padding: 8px;
  border-bottom: 1px solid var(--line);
  overflow-x: auto;
}

.page-news .rpt-panel-sec .tabs__tab {
  flex: 0 0 auto;
  min-height: 44px;
  padding: 0 16px;
  font-family: var(--f-body);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--muted);
  background: transparent;
  border: 1px solid transparent;
  border-radius: var(--r-pill);
  cursor: pointer;
  transition: color var(--t-fast) var(--ease), background var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease);
}

.page-news .rpt-panel-sec .tabs__tab:hover {
  color: var(--ink);
  border-color: var(--line-soft);
}

.page-news .rpt-panel-sec .tabs__tab[aria-selected="true"] {
  color: var(--bg);
  background: var(--accent);
  border-color: var(--accent);
}

.page-news .rpt-panel-sec .tabs__tab:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.page-news .rpt-panel-sec .tabs__panel {
  padding: 16px 18px 20px;
}

.page-news .rpt-changelog {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-news .rpt-changelog li {
  position: relative;
  padding-left: 20px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink);
}

.page-news .rpt-changelog li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 8px;
  height: 2px;
  background: var(--cyan);
}

/* ---------- 周期索引 ---------- */
.page-news .rpt-index__head {
  display: grid;
  gap: 12px;
  margin-bottom: clamp(18px, 2.6vw, 26px);
}

.page-news .rpt-index__lede {
  margin: 0;
  max-width: 64ch;
  font-family: var(--f-serif);
  font-size: 15px;
  line-height: 1.85;
  color: var(--muted);
}

.page-news .rpt-index__steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-news .rpt-index__step {
  position: relative;
  display: grid;
  gap: 8px;
  padding: 20px 0 22px 34px;
  border-top: 1px solid var(--line);
}

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

.page-news .rpt-index__step::before {
  content: "";
  position: absolute;
  left: 6px;
  top: 28px;
  width: 10px;
  height: 10px;
  border: 2px solid var(--accent);
  border-radius: 50%;
  background: var(--bg);
}

.page-news .rpt-index__step::after {
  content: "";
  position: absolute;
  left: 11px;
  top: 40px;
  bottom: -12px;
  width: 1px;
  background: linear-gradient(180deg, var(--accent-dim), transparent);
}

.page-news .rpt-index__step:last-child::after {
  display: none;
}

.page-news .rpt-index__step-num {
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--cyan);
}

.page-news .rpt-index__step-title {
  margin: 0;
  font-family: var(--f-display);
  font-weight: 700;
  font-size: 19px;
  line-height: 1.3;
  color: var(--ink);
}

.page-news .rpt-index__step p {
  margin: 0;
  max-width: 62ch;
  font-size: 14px;
  line-height: 1.78;
  color: var(--muted);
}

/* ---------- 趋势观察 ---------- */
.page-news .rpt-trend__inner {
  display: grid;
  gap: clamp(20px, 3vw, 34px);
  align-items: start;
}

.page-news .rpt-trend__text {
  display: grid;
  gap: 16px;
}

.page-news .rpt-trend__lede {
  margin: 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--ink);
}

.page-news .rpt-trend__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-news .rpt-trend__list li {
  display: grid;
  grid-template-columns: 10px 1fr;
  gap: 12px;
  align-items: start;
  font-size: 14px;
  line-height: 1.78;
  color: var(--muted);
}

.page-news .rpt-trend__list strong {
  color: var(--ink);
  font-weight: 500;
}

.page-news .rpt-trend__mark {
  width: 8px;
  height: 8px;
  margin-top: 8px;
  border-radius: 2px;
}

.page-news .rpt-trend__mark--accent { background: var(--accent); }
.page-news .rpt-trend__mark--cyan { background: var(--cyan); }
.page-news .rpt-trend__mark--alert { background: var(--alert); }

.page-news .rpt-trend__foot {
  margin: 0;
  max-width: 62ch;
  font-size: 14px;
  line-height: 1.78;
  color: var(--muted);
}

.page-news .rpt-link {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(34, 211, 238, 0.4);
  transition: color var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease);
}

.page-news .rpt-link:hover {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

.page-news .rpt-trend__figure {
  position: relative;
}

.page-news .rpt-trend__chart {
  position: absolute;
  right: 10px;
  top: 10px;
  width: min(58%, 320px);
  height: auto;
  pointer-events: none;
}

/* ---------- 订阅与合作 ---------- */
.page-news .rpt-sub__inner {
  display: grid;
  gap: clamp(18px, 2.8vw, 30px);
  padding: clamp(24px, 3.4vw, 36px) clamp(18px, 2.6vw, 32px);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background:
    linear-gradient(140deg, rgba(57, 255, 158, 0.07), rgba(34, 211, 238, 0.05) 55%, transparent),
    var(--panel);
}

.page-news .rpt-sub__text {
  display: grid;
  gap: 12px;
}

.page-news .rpt-sub__lede {
  margin: 0;
  max-width: 60ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
}

.page-news .rpt-sub__aside {
  display: grid;
  gap: 10px;
  align-content: start;
  padding-top: 4px;
}

.page-news .rpt-sub__aside-key {
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--cyan);
}

.page-news .rpt-sub__mail {
  margin: 0;
  font-size: clamp(14px, 2.4vw, 17px);
  word-break: break-all;
  color: var(--accent);
}

.page-news .rpt-sub__hint {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 平板 ---------- */
@media (min-width: 700px) {
  .page-news .rpt-band__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
  }

  .page-news .rpt-band__item {
    grid-template-columns: 1fr;
    gap: 10px;
    padding-top: 12px;
    border-top: 1px solid var(--line);
  }

  .page-news .rpt-stats {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

  .page-news .rpt-sub__inner {
    grid-template-columns: 1.4fr 1fr;
    align-items: start;
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 1024px) {
  .page-news .rpt-row__head {
    align-items: center;
    padding: 18px 20px 18px 18px;
  }

  .page-news .rpt-row__main {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 18px;
  }

  .page-news .rpt-row__meta {
    justify-content: flex-end;
  }

  .page-news .rpt-row__body {
    padding: 0 20px 20px 52px;
  }

  .page-news .rpt-series__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-news .rpt-panel-sec__inner {
    grid-template-columns: 1.15fr 0.85fr;
  }

  .page-news .rpt-trend__inner {
    grid-template-columns: 1fr 0.85fr;
  }

  .page-news .rpt-index__step {
    grid-template-columns: 56px minmax(0, 1fr);
    grid-template-areas:
      "num title"
      "num desc";
    column-gap: 18px;
    row-gap: 6px;
    padding-left: 40px;
  }

  .page-news .rpt-index__step-num { grid-area: num; }
  .page-news .rpt-index__step-title { grid-area: title; }
  .page-news .rpt-index__step p { grid-area: desc; }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .rpt-row,
  .page-news .rpt-serie,
  .page-news .rpt-row__title,
  .page-news .rpt-link,
  .page-news .rpt-panel-sec .tabs__tab {
    transition: none;
  }

  .page-news .rpt-serie:hover {
    transform: none;
  }
}