.page-news {
  --news-header-offset: 72px;
  --news-notch: 20px;
  background: var(--ink-900);
  color: var(--white);
  padding-bottom: var(--sp-5);
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  position: relative;
  padding: var(--sp-4) 0 var(--sp-5);
  background:
    radial-gradient(120% 90% at 4% -20%, rgba(79, 227, 208, 0.14), transparent 58%),
    radial-gradient(90% 80% at 100% 0%, rgba(242, 180, 87, 0.09), transparent 62%),
    linear-gradient(180deg, var(--ink-850) 0%, var(--ink-900) 100%);
  overflow: hidden;
}

.page-news .news-hero::before {
  content: "";
  position: absolute;
  top: -30%;
  left: -12%;
  width: 62%;
  height: 170%;
  background: linear-gradient(105deg, transparent 42%, rgba(79, 227, 208, 0.07) 50%, transparent 58%);
  transform: rotate(8deg);
  pointer-events: none;
}

.page-news .news-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--line-strong), transparent);
}

.page-news .news-crumbs {
  position: relative;
  margin-bottom: var(--sp-3);
}

.page-news .news-hero__grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--sp-4);
}

.page-news h1 {
  margin: 0 0 var(--sp-2);
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2.1rem, 6.2vw, 3.4rem);
  line-height: 1.08;
  letter-spacing: -0.02em;
}

.page-news .news-lede {
  margin: 0;
  max-width: 56ch;
  color: var(--muted);
  font-size: var(--step-1);
  line-height: 1.75;
}

.page-news .news-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--sp-2) var(--sp-3);
  margin: 0;
  padding-top: var(--sp-2);
  border-top: 1px solid var(--line-soft);
}

.page-news .news-stat {
  border-left: 1px solid var(--line);
  padding-left: var(--sp-2);
  min-width: 0;
}

.page-news .news-stat dt {
  font-size: var(--step--2);
  color: var(--muted);
  letter-spacing: 0.02em;
}

.page-news .news-stat dd {
  margin: 4px 0 0;
  display: flex;
  align-items: baseline;
  gap: 4px;
  flex-wrap: wrap;
}

.page-news .news-stat__num {
  font-family: var(--font-mono);
  font-size: var(--step-4);
  font-weight: 700;
  line-height: 1;
  color: var(--amber);
  letter-spacing: -0.03em;
}

.page-news .news-stat__unit {
  font-size: var(--step--1);
  color: var(--white);
}

.page-news .news-stat .news-stat__note {
  display: block;
  margin: 6px 0 0;
  font-size: var(--step--2);
  color: var(--muted);
  line-height: 1.5;
}

/* ---------- 头条 ---------- */
.page-news .news-topline {
  padding: var(--sp-5) 0 var(--sp-4);
}

.page-news .news-topline__card {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--sp-3);
  padding: var(--sp-3);
  background: linear-gradient(158deg, var(--ink-700) 0%, var(--ink-850) 100%);
  border: 1px solid var(--line);
  border-radius: 2px;
  clip-path: polygon(0 0, calc(100% - var(--news-notch)) 0, 100% var(--news-notch), 100% 100%, 0 100%);
}

.page-news .news-topline__rail {
  display: inline-flex;
  align-items: center;
  justify-self: start;
  padding: 5px 12px;
  background: var(--coral);
  color: var(--ink-900);
  font-family: var(--font-mono);
  font-size: var(--step--2);
  font-weight: 700;
  letter-spacing: 0.04em;
}

.page-news .news-topline__body h2 {
  margin: 6px 0 var(--sp-2);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.45rem, 3.6vw, var(--step-4));
  line-height: 1.28;
  letter-spacing: -0.015em;
}

.page-news .news-topline__body p {
  margin: 0;
  max-width: 60ch;
  color: var(--muted);
  font-size: var(--step--1);
  line-height: 1.8;
}

.page-news .news-topline__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2);
  margin-top: var(--sp-3);
}

.page-news .news-topline__media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--line);
  filter: saturate(1.05);
}

/* ---------- 筛选条 ---------- */
.page-news .news-filter {
  position: sticky;
  top: var(--news-header-offset);
  z-index: 6;
  background: rgba(5, 11, 20, 0.94);
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
}

.page-news .news-filter__inner {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  padding: 10px 0;
  overflow-x: auto;
  scrollbar-width: none;
}

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

.page-news .news-filter__label {
  margin: 0;
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: var(--step--2);
  color: var(--muted);
  letter-spacing: 0.06em;
  padding-right: var(--sp-2);
  border-right: 1px solid var(--line);
}

.page-news .news-filter__list {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .news-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  flex: 0 0 auto;
  padding: 6px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: var(--step--2);
  color: var(--white);
  white-space: nowrap;
  transition: border-color 180ms var(--ease), background-color 180ms var(--ease), transform 180ms var(--ease);
}

.page-news .news-chip em {
  font-family: var(--font-mono);
  font-style: normal;
  font-size: var(--step--2);
  color: var(--amber);
}

.page-news .news-chip .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--muted);
}

.page-news .news-chip--all {
  border-color: var(--line-strong);
  background: rgba(79, 227, 208, 0.1);
}

.page-news .news-chip--all .dot { background: var(--cyan); }
.page-news .news-chip--show .dot { background: var(--cyan); }
.page-news .news-chip--index .dot { background: var(--amber); }
.page-news .news-chip--tier .dot { background: var(--coral); }
.page-news .news-chip--observe .dot { background: #7FA8D8; }
.page-news .news-chip--partner .dot { background: var(--white); }

@media (hover: hover) {
  .page-news .news-chip:hover {
    border-color: var(--line-strong);
    background: rgba(79, 227, 208, 0.08);
    transform: translateY(-1px);
  }
}

/* ---------- 列表 ---------- */
.page-news .news-feed {
  padding: var(--sp-5) 0 var(--sp-4);
  scroll-margin-top: calc(var(--news-header-offset) + 64px);
}

.page-news .news-feed__head {
  margin-bottom: var(--sp-3);
}

.page-news .news-feed__head h2 {
  margin: 6px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.4rem, 3.4vw, var(--step-3));
  letter-spacing: -0.015em;
}

.page-news .news-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.page-news .news-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--sp-2);
  padding: var(--sp-3) var(--sp-2);
  border-bottom: 1px solid var(--line-soft);
  transition: background-color 200ms var(--ease);
}

.page-news .news-row__rail {
  display: flex;
  align-items: baseline;
  gap: var(--sp-2);
  min-width: 0;
}

.page-news .news-row__num {
  font-family: var(--font-mono);
  font-size: var(--step-3);
  font-weight: 700;
  line-height: 1;
  color: var(--white);
  letter-spacing: -0.03em;
}

.page-news .news-row__rel {
  font-size: var(--step--2);
  color: var(--muted);
  white-space: nowrap;
}

.page-news .news-row__rel::before {
  content: "";
  display: inline-block;
  width: 16px;
  height: 1px;
  margin-right: 6px;
  vertical-align: middle;
  background: var(--line-strong);
}

.page-news .news-row__thumb img {
  display: block;
  width: 100%;
  max-width: 260px;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--line);
}

.page-news .news-row__title {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-size: var(--step-1);
  font-weight: 700;
  line-height: 1.45;
  letter-spacing: -0.01em;
  color: var(--white);
}

.page-news .news-row__desc {
  margin: 0;
  max-width: 62ch;
  color: var(--muted);
  font-size: var(--step--1);
  line-height: 1.72;
}

.page-news .news-row__side {
  align-self: start;
}

.page-news .news-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border: 1px solid var(--line);
  border-radius: 2px;
  font-family: var(--font-mono);
  font-size: var(--step--2);
  white-space: nowrap;
  color: var(--muted);
}

.page-news .news-tag::before {
  content: "";
  width: 6px;
  height: 6px;
  background: currentColor;
}

.page-news .news-tag--show {
  color: var(--cyan);
  border-color: rgba(79, 227, 208, 0.38);
  background: rgba(79, 227, 208, 0.08);
}

.page-news .news-tag--index {
  color: var(--amber);
  border-color: rgba(242, 180, 87, 0.38);
  background: rgba(242, 180, 87, 0.08);
}

.page-news .news-tag--tier {
  color: var(--coral);
  border-color: rgba(255, 107, 74, 0.38);
  background: rgba(255, 107, 74, 0.08);
}

.page-news .news-tag--observe {
  color: #9FC0E8;
  border-color: rgba(159, 192, 232, 0.34);
  background: rgba(159, 192, 232, 0.08);
}

.page-news .news-tag--partner {
  color: var(--white);
  border-color: var(--line-strong);
  background: rgba(234, 244, 255, 0.06);
}

@media (hover: hover) {
  .page-news .news-row:hover {
    background: linear-gradient(90deg, rgba(79, 227, 208, 0.07), rgba(79, 227, 208, 0) 72%);
  }
}

/* ---------- 更新节奏 ---------- */
.page-news .news-rhythm {
  padding: var(--sp-5) 0;
  margin-top: var(--sp-3);
  background: linear-gradient(180deg, var(--ink-850) 0%, var(--ink-900) 100%);
  border-top: 1px solid var(--line-soft);
}

.page-news .news-rhythm__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--sp-4);
}

.page-news .news-rhythm__intro h2 {
  margin: 6px 0 var(--sp-2);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.4rem, 3.4vw, var(--step-3));
  letter-spacing: -0.015em;
}

.page-news .news-rhythm__intro p {
  margin: 0 0 var(--sp-3);
  max-width: 52ch;
  color: var(--muted);
  font-size: var(--step--1);
  line-height: 1.8;
}

.page-news .rhythm-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: var(--sp-2);
}

.page-news .rhythm-item {
  padding: var(--sp-2) var(--sp-3);
  background: var(--ink-700);
  border-left: 2px solid var(--ink-500);
  transition: border-color 220ms var(--ease);
}

.page-news .rhythm-item:hover {
  border-left-color: var(--amber);
}

.page-news .rhythm-item__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 6px var(--sp-2);
}

.page-news .rhythm-item__name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--step-0);
  color: var(--white);
}

.page-news .rhythm-item__cadence {
  font-family: var(--font-mono);
  font-size: var(--step--2);
  color: var(--amber);
  letter-spacing: 0.02em;
}

.page-news .rhythm-item__note {
  margin: 6px 0 10px;
  font-size: var(--step--2);
  color: var(--muted);
  line-height: 1.6;
}

.page-news .rhythm-item__meter {
  display: block;
  height: 6px;
  background-image: repeating-linear-gradient(
    90deg,
    rgba(147, 169, 191, 0.42) 0,
    rgba(147, 169, 191, 0.42) 2px,
    transparent 2px,
    transparent 12px
  );
}

/* ---------- 订阅 ---------- */
.page-news .news-subscribe {
  padding: var(--sp-5) 0 var(--sp-4);
}

.page-news .news-subscribe__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--sp-4);
  align-items: center;
}

.page-news .news-subscribe__text h2 {
  margin: 6px 0 var(--sp-2);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.4rem, 3.4vw, var(--step-3));
  letter-spacing: -0.015em;
}

.page-news .news-subscribe__text p {
  margin: 0 0 var(--sp-2);
  max-width: 56ch;
  color: var(--muted);
  font-size: var(--step--1);
  line-height: 1.8;
}

.page-news .news-subscribe__links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--sp-2);
  margin-top: var(--sp-3);
}

.page-news .news-link {
  color: var(--cyan);
  font-size: var(--step--1);
  text-decoration: none;
  border-bottom: 1px solid rgba(79, 227, 208, 0.4);
  padding-bottom: 2px;
}

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

.page-news .news-subscribe__media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--line);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--news-notch)), calc(100% - var(--news-notch)) 100%, 0 100%);
}

/* ---------- 合作 ---------- */
.page-news .news-partner {
  padding: 0 0 var(--sp-5);
}

.page-news .news-partner__card {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--sp-3);
  padding: var(--sp-4) var(--sp-3);
  background:
    linear-gradient(140deg, rgba(255, 107, 74, 0.14) 0%, rgba(255, 107, 74, 0) 58%),
    var(--ink-700);
  border: 1px solid rgba(255, 107, 74, 0.32);
  clip-path: polygon(var(--news-notch) 0, 100% 0, 100% 100%, 0 100%, 0 var(--news-notch));
}

.page-news .news-partner__body h2 {
  margin: 6px 0 var(--sp-2);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.35rem, 3.4vw, var(--step-3));
  letter-spacing: -0.015em;
}

.page-news .news-partner__body p {
  margin: 0;
  max-width: 62ch;
  color: var(--muted);
  font-size: var(--step--1);
  line-height: 1.8;
}

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

/* ---------- 断点 ---------- */
@media (min-width: 720px) {
  .page-news .news-hero {
    padding: var(--sp-5) 0 var(--sp-5);
  }

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

  .page-news .news-topline__card {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.6fr);
    gap: var(--sp-4);
    padding: var(--sp-4);
  }

  .page-news .news-topline__rail {
    position: absolute;
    top: 0;
    left: 0;
    padding: 6px 14px;
  }

  .page-news .news-topline__body {
    padding-top: var(--sp-3);
  }

  .page-news .news-subscribe__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    gap: var(--sp-5);
  }

  .page-news .news-partner__card {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 0.7fr);
    align-items: center;
  }
}

@media (min-width: 900px) {
  .page-news {
    --news-header-offset: 76px;
  }

  .page-news .news-hero__grid {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
    gap: var(--sp-5);
    align-items: end;
  }

  .page-news .news-rhythm__grid {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    gap: var(--sp-5);
    align-items: start;
  }

  .page-news .news-row {
    grid-template-columns: 104px minmax(0, 1fr) 132px;
    gap: var(--sp-3);
    align-items: start;
    padding: var(--sp-3) var(--sp-3);
  }

  .page-news .news-row--thumb {
    grid-template-columns: 104px 168px minmax(0, 1fr) 132px;
  }

  .page-news .news-row__rail {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
  }

  .page-news .news-row__side {
    justify-self: end;
  }

  .page-news .news-row__thumb img {
    max-width: none;
  }
}

@media (min-width: 1160px) {
  .page-news .news-row--thumb {
    grid-template-columns: 116px 196px minmax(0, 1fr) 140px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-chip,
  .page-news .news-row,
  .page-news .rhythm-item {
    transition: none;
  }
}