.page-news {
  --pn-line: rgba(58, 74, 87, 0.42);
  --pn-line-soft: rgba(58, 74, 87, 0.24);
  --pn-card: rgba(16, 38, 31, 0.55);
  --pn-card-strong: rgba(16, 38, 31, 0.86);
  --pn-top: 58px;
  position: relative;
  padding-bottom: clamp(48px, 8vw, 104px);
}

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

/* ---------- 首屏 ---------- */

.page-news .col-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: clamp(96px, 12vw, 148px) 0 clamp(40px, 6vw, 72px);
}

.page-news .col-hero__bg {
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    linear-gradient(148deg, rgba(34, 224, 208, 0.12) 0%, rgba(11, 27, 43, 0.92) 40%, rgba(6, 17, 15, 0) 74%),
    linear-gradient(90deg, rgba(58, 74, 87, 0.18) 1px, transparent 1px) 0 0 / 88px 100%;
  clip-path: polygon(0 0, 100% 0, 100% 70%, 0 100%);
}

.page-news .col-hero__inner {
  display: flex;
  flex-direction: column;
  gap: clamp(14px, 2.2vw, 26px);
  max-width: 1080px;
}

.page-news .breadcrumb {
  margin: 0 0 clamp(4px, 1vw, 12px);
}

.page-news .col-hero__title {
  margin: 0;
  max-width: 21ch;
  font-weight: 250;
  font-size: clamp(33px, 5.4vw, 70px);
  line-height: 1.1;
  letter-spacing: 0.045em;
  color: var(--white);
}

.page-news .col-hero__lede {
  margin: 0;
  max-width: 62ch;
  font-size: clamp(15px, 1.05vw, 17px);
  line-height: 1.92;
  color: var(--text);
}

.page-news .col-hero__rhythm {
  display: grid;
  gap: 1px;
  margin-top: clamp(10px, 1.8vw, 22px);
  max-width: 780px;
  background: var(--pn-line-soft);
  border: 1px solid var(--pn-line-soft);
}

.page-news .rhythm {
  display: flex;
  flex-direction: column;
  gap: 7px;
  padding: 18px 20px 20px;
  background: var(--pn-card);
  border-top: 2px solid rgba(34, 224, 208, 0.55);
}

.page-news .rhythm__label {
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--muted);
}

.page-news .rhythm__num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(17px, 1.6vw, 21px);
  letter-spacing: 0.01em;
  color: var(--white);
}

.page-news .rhythm__text {
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--text);
}

/* ---------- 分类标签栏 ---------- */

.page-news .col-tabs {
  position: sticky;
  top: var(--pn-top);
  z-index: 6;
  background: rgba(6, 17, 15, 0.9);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  border-top: 1px solid var(--pn-line-soft);
  border-bottom: 1px solid var(--pn-line-soft);
}

.page-news .col-tabs__inner {
  display: flex;
  align-items: center;
  gap: 14px;
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
  padding-top: 9px;
  padding-bottom: 9px;
}

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

.page-news .col-tabs__label {
  flex: 0 0 auto;
  padding-right: 14px;
  border-right: 1px solid var(--pn-line-soft);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--muted);
  white-space: nowrap;
}

.page-news .col-tabs__list {
  display: flex;
  align-items: center;
  gap: 6px;
  flex: 0 0 auto;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .col-tab {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  padding: 0 15px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-size: 13.5px;
  letter-spacing: 0.05em;
  color: var(--text);
  text-decoration: none;
  white-space: nowrap;
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-news .col-tab__num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.page-news .col-tab:hover,
.page-news .col-tab:focus-visible {
  background: rgba(34, 224, 208, 0.09);
  border-color: rgba(34, 224, 208, 0.42);
  color: var(--white);
}

/* ---------- 分类索引图 ---------- */

.page-news .col-index {
  margin: clamp(28px, 4.4vw, 52px) 0 0;
}

.page-news .col-index img {
  width: 100%;
  object-fit: cover;
  border: 1px solid var(--pn-line-soft);
}

/* ---------- 章节骨架 ---------- */

.page-news .col-section {
  padding: clamp(42px, 6vw, 84px) 0;
  border-top: 1px solid var(--pn-line-soft);
  scroll-margin-top: 124px;
}

.page-news .col-section:first-of-type {
  border-top: 0;
}

.page-news .col-section__head {
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-width: 70ch;
  margin-bottom: clamp(22px, 3.2vw, 38px);
}

.page-news .col-section__head .h2 {
  margin: 0;
  font-weight: 250;
  font-size: clamp(25px, 3.4vw, 43px);
  line-height: 1.18;
  letter-spacing: 0.035em;
  color: var(--white);
}

.page-news .col-section__desc {
  margin: 0;
  font-size: 15px;
  line-height: 1.9;
  color: var(--muted);
}

/* ---------- 大条目 ---------- */

.page-news .entry--lead {
  position: relative;
  display: grid;
  gap: clamp(20px, 3vw, 34px);
  padding: clamp(20px, 3vw, 34px);
  background: var(--pn-card);
  border: 1px solid var(--pn-line-soft);
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-news .entry--lead::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--cyan) 0%, rgba(34, 224, 208, 0) 72%);
}

.page-news .entry--lead:hover {
  background: var(--pn-card-strong);
  border-color: rgba(34, 224, 208, 0.32);
}

.page-news .entry__body {
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-width: 0;
}

.page-news .entry__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
}

.page-news .entry__num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--silver);
}

.page-news .entry__code,
.page-news .entry__time {
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--muted);
}

.page-news .entry__code {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  color: var(--amber);
}

.page-news .entry__title {
  margin: 0;
  font-weight: 300;
  font-size: clamp(19px, 2.1vw, 27px);
  line-height: 1.36;
  letter-spacing: 0.02em;
  color: var(--white);
}

.page-news .entry__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.92;
  color: var(--text);
}

.page-news .entry__link {
  align-self: flex-start;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  padding-right: 2px;
  font-size: 13.5px;
  letter-spacing: 0.06em;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(34, 224, 208, 0.3);
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-news .entry__link::after {
  content: "→";
  transition: transform var(--dur) var(--ease);
}

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

.page-news .entry__link:hover::after {
  transform: translateX(4px);
}

.page-news .entry__media {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--pn-line-soft);
  background: rgba(11, 27, 43, 0.5);
}

.page-news .entry__media img {
  width: 100%;
  object-fit: cover;
}

/* ---------- 紧凑条目列表 ---------- */

.page-news .entry-list {
  display: grid;
  gap: 0;
  margin: clamp(18px, 2.8vw, 30px) 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--pn-line-soft);
}

.page-news .entry-list--flush {
  margin-top: 0;
}

.page-news .entry-row {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  grid-template-areas:
    "num tag"
    "text text"
    "more more";
  gap: 6px 14px;
  padding: 18px 0;
  border-bottom: 1px solid var(--pn-line-soft);
  transition: background var(--dur) var(--ease), padding-left var(--dur) var(--ease);
}

.page-news .entry-row > .entry-row__num {
  grid-area: num;
}

.page-news .entry-row > .entry-row__tag {
  grid-area: tag;
  justify-self: start;
}

.page-news .entry-row > .entry-row__text {
  grid-area: text;
  min-width: 0;
}

.page-news .entry-row > .entry-row__more {
  grid-area: more;
  justify-self: start;
}

.page-news .entry-row:hover,
.page-news .entry-row:focus-within {
  background: rgba(34, 224, 208, 0.045);
  padding-left: 12px;
}

.page-news .entry-row__num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--silver);
  padding-top: 4px;
}

.page-news .entry-row__title {
  margin: 0 0 6px;
  font-weight: 400;
  font-size: 16px;
  line-height: 1.55;
  letter-spacing: 0.02em;
  color: var(--white);
}

.page-news .entry-row__desc {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.78;
  color: var(--muted);
}

.page-news .entry-row__more {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  font-size: 12.5px;
  letter-spacing: 0.1em;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(34, 224, 208, 0.28);
}

.page-news .entry-row__more:hover {
  border-color: var(--cyan);
}

/* ---------- 数据说明 ---------- */

.page-news .col-notes {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--pn-line-soft);
}

.page-news .note {
  display: grid;
  gap: 8px;
  padding: clamp(20px, 3vw, 32px) 0;
  border-bottom: 1px solid var(--pn-line-soft);
}

.page-news .note__index {
  margin: 0;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(30px, 4vw, 50px);
  line-height: 1;
  letter-spacing: -0.02em;
  color: rgba(185, 191, 198, 0.34);
}

.page-news .note__title {
  margin: 0;
  font-weight: 400;
  font-size: clamp(17px, 1.7vw, 21px);
  line-height: 1.5;
  letter-spacing: 0.02em;
  color: var(--white);
}

.page-news .note__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.88;
  color: var(--text);
}

/* ---------- 回溯路径 ---------- */

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

.page-news .path {
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-height: 44px;
  padding: 24px 22px 26px;
  border: 1px solid var(--pn-line-soft);
  background: linear-gradient(160deg, rgba(16, 38, 31, 0.74), rgba(11, 27, 43, 0.44));
  text-decoration: none;
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-news .path:hover,
.page-news .path:focus-visible {
  transform: translateY(-3px);
  border-color: rgba(34, 224, 208, 0.42);
  background: linear-gradient(160deg, rgba(16, 38, 31, 0.9), rgba(11, 27, 43, 0.56));
}

.page-news .path__kicker {
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--muted);
}

.page-news .path__title {
  font-size: clamp(16px, 1.6vw, 19px);
  font-weight: 400;
  line-height: 1.48;
  letter-spacing: 0.02em;
  color: var(--white);
}

.page-news .path__desc {
  font-size: 13.5px;
  line-height: 1.78;
  color: var(--text);
}

.page-news .path__arrow {
  margin-top: auto;
  padding-top: 8px;
  font-size: 18px;
  line-height: 1;
  color: var(--cyan);
  transition: transform var(--dur) var(--ease);
}

.page-news .path:hover .path__arrow {
  transform: translateX(5px);
}

.page-news .col-outro {
  margin: clamp(24px, 3.4vw, 40px) 0 0;
  max-width: 76ch;
  padding-left: 16px;
  border-left: 2px solid rgba(255, 162, 58, 0.5);
  font-size: 14px;
  line-height: 1.9;
  color: var(--muted);
}

.page-news .col-outro a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(34, 224, 208, 0.3);
}

.page-news .col-outro a:hover {
  border-color: var(--cyan);
}

/* ---------- 响应式 ---------- */

@media (min-width: 640px) {
  .page-news .col-hero__rhythm {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 760px) {
  .page-news .entry-row {
    grid-template-columns: 42px 116px minmax(0, 1fr) 56px;
    grid-template-areas: "num tag text more";
    align-items: baseline;
    column-gap: 20px;
    padding: 20px 0;
  }

  .page-news .entry-row > .entry-row__more {
    justify-self: end;
  }

  .page-news .entry-row__num {
    padding-top: 0;
  }
}

@media (min-width: 820px) {
  .page-news .note {
    grid-template-columns: 116px minmax(0, 1fr) minmax(0, 1.15fr);
    align-items: start;
    column-gap: 28px;
  }

  .page-news .note__index {
    grid-column: 1;
  }

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

@media (min-width: 900px) {
  .page-news .entry--lead {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
    align-items: start;
  }

  .page-news .entry__media {
    align-self: stretch;
  }

  .page-news .entry__media img {
    height: 100%;
    min-height: 260px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .path:hover,
  .page-news .path:focus-visible {
    transform: none;
  }

  .page-news .entry__link:hover::after,
  .page-news .path:hover .path__arrow {
    transform: none;
  }
}