.page-news {
  --news-gap: clamp(1.4rem, 3vw, 2.6rem);
  --news-card: rgba(16, 27, 68, .62);
  --news-border: rgba(185, 192, 216, .16);
  --news-amber-soft: rgba(240, 169, 59, .22);
  --news-violet-soft: rgba(108, 75, 216, .26);
}

/* ===== 首屏 ===== */
.page-news .news-hero {
  position: relative;
  padding-top: clamp(1.6rem, 4vw, 3rem);
  padding-bottom: clamp(2.4rem, 6vw, 4.6rem);
  overflow: hidden;
}

.page-news .news-hero::before {
  content: "";
  position: absolute;
  top: -18%;
  right: -14%;
  width: min(620px, 78vw);
  height: min(620px, 78vw);
  border-radius: 50%;
  background: radial-gradient(circle at 42% 46%, rgba(108, 75, 216, .34), transparent 62%);
  pointer-events: none;
}

.page-news .news-hero__inner {
  position: relative;
  display: grid;
  gap: 1.2rem;
  padding-right: clamp(0px, 5vw, 4.5rem);
}

.page-news .news-hero__eyebrow {
  color: var(--cyan);
}

.page-news .news-hero__title {
  color: var(--white);
  margin: .2rem 0 0;
  max-width: 15ch;
  line-height: 1.02;
}

.page-news .news-hero__title em {
  display: inline-block;
  font-style: normal;
  color: var(--amber);
  transform: translateX(clamp(.4rem, 4vw, 3.4rem));
}

.page-news .news-hero__lede {
  max-width: 52ch;
  color: var(--body-dark);
}

.page-news .news-hero__facts {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  margin-top: .8rem;
  padding-top: 1.4rem;
  border-top: 1px solid var(--news-border);
}

.page-news .fact {
  display: grid;
  gap: .28rem;
}

.page-news .fact__num {
  font-size: clamp(1.5rem, 5vw, 2rem);
  font-weight: 900;
  letter-spacing: -.02em;
  color: var(--white);
  line-height: 1;
}

.page-news .fact__num small {
  margin-left: .28em;
  font-size: .44em;
  font-weight: 700;
  color: var(--mist);
}

.page-news .fact__label {
  font-size: .86rem;
  letter-spacing: .06em;
  color: var(--mist);
}

.page-news .news-hero__note {
  position: absolute;
  top: 5rem;
  right: clamp(.6rem, 3vw, 2rem);
  color: rgba(185, 192, 216, .5);
  font-size: .72rem;
  display: none;
}

/* ===== 章节头 ===== */
.page-news .sec-head {
  position: relative;
  display: grid;
  gap: .4rem;
  margin-bottom: clamp(1.6rem, 4vw, 2.8rem);
  padding-left: clamp(0px, 6vw, 5.2rem);
}

.page-news .sec-head--tight {
  margin-bottom: clamp(1.1rem, 3vw, 1.8rem);
}

.page-news .sec-head__num {
  position: absolute;
  left: 0;
  top: -.4em;
  font-size: clamp(3.6rem, 12vw, 7rem);
  font-weight: 900;
  line-height: 1;
  letter-spacing: -.04em;
  color: rgba(108, 75, 216, .3);
  pointer-events: none;
  user-select: none;
}

.page-news .sec-head > div {
  position: relative;
}

.page-news .sec-head h2 {
  color: var(--white);
  margin: .18rem 0 .7rem;
  max-width: 18ch;
}

.page-news .sec-head__text {
  color: var(--body-dark);
  max-width: 56ch;
}

/* ===== 专题错层封面 ===== */
.page-news .topic-deck {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--news-gap);
}

.page-news .topic {
  position: relative;
  display: grid;
  gap: 1rem;
  padding: 1rem;
  border: 1px solid var(--news-border);
  border-radius: var(--r-lg);
  background: var(--news-card);
  transition: transform .42s var(--ease), border-color .42s var(--ease), box-shadow .42s var(--ease);
}

.page-news .topic::after {
  content: "";
  position: absolute;
  inset: auto 1.2rem .9rem auto;
  width: 46px;
  height: 3px;
  border-radius: 3px;
  background: linear-gradient(90deg, var(--neon), var(--amber));
  opacity: .7;
}

.page-news .topic:hover,
.page-news .topic:focus-within {
  transform: translateY(-6px);
  border-color: var(--news-amber-soft);
  box-shadow: 0 22px 60px rgba(7, 11, 31, .68);
}

.page-news .topic__media {
  border-radius: calc(var(--r-lg) - 8px);
  overflow: hidden;
}

.page-news .topic__media img {
  transition: transform .6s var(--ease);
}

.page-news .topic:hover .topic__media img {
  transform: scale(1.04);
}

.page-news .topic__title {
  margin: .55rem 0 .5rem;
  font-size: clamp(1.16rem, 3.4vw, 1.5rem);
  font-weight: 800;
  line-height: 1.3;
  color: var(--white);
}

.page-news .topic__desc {
  color: var(--body-dark);
  font-size: .96rem;
  line-height: 1.8;
  max-width: 42ch;
}

.page-news .topic__facts {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem 1.2rem;
  margin: 1rem 0 0;
  padding: .85rem 0 0;
  list-style: none;
  border-top: 1px dashed var(--news-border);
  font-size: .82rem;
  letter-spacing: .04em;
  color: var(--mist);
}

.page-news .topic__facts strong {
  color: var(--amber);
  font-weight: 800;
  margin-right: .3em;
}

.page-news .topic--paper {
  background: var(--paper);
  border-color: rgba(42, 31, 26, .18);
}

.page-news .topic--paper .topic__title {
  color: var(--body-paper);
}

.page-news .topic--paper .topic__desc {
  color: var(--body-paper);
}

.page-news .topic--paper .topic__facts {
  color: rgba(42, 31, 26, .66);
  border-top-color: rgba(42, 31, 26, .2);
}

.page-news .topic--paper .topic__facts strong {
  color: var(--ember);
}

.page-news .topic--paper::after {
  background: linear-gradient(90deg, var(--ember), var(--amber));
}

/* ===== 标签三色 ===== */
.page-news .tag--violet {
  color: #C3B0FF;
  border-color: rgba(108, 75, 216, .5);
  background: rgba(108, 75, 216, .14);
}

.page-news .tag--cyan {
  color: var(--cyan);
  border-color: rgba(63, 224, 208, .42);
  background: rgba(63, 224, 208, .1);
}

.page-news .tag--ember {
  color: #FF9C74;
  border-color: rgba(226, 84, 44, .46);
  background: rgba(226, 84, 44, .12);
}

/* ===== 筛选与条目流 ===== */
.page-news .news-filter {
  margin-bottom: clamp(1.2rem, 3vw, 2rem);
  flex-wrap: wrap;
}

.page-news .news-filter .filter-btn {
  border-radius: var(--r-pill);
  border: 1px solid var(--news-border);
  background: rgba(16, 27, 68, .5);
  color: var(--mist);
  padding: .5rem 1rem;
  font-size: .82rem;
  letter-spacing: .05em;
  cursor: pointer;
  transition: color .3s var(--ease), border-color .3s var(--ease), background-color .3s var(--ease);
}

.page-news .news-filter .filter-btn:hover,
.page-news .news-filter .filter-btn:focus-visible {
  color: var(--white);
  border-color: var(--news-violet-soft);
}

.page-news .news-filter .filter-btn[aria-pressed="true"] {
  color: var(--ink);
  background: linear-gradient(120deg, var(--amber), #FFCE7A);
  border-color: transparent;
  font-weight: 700;
}

.page-news .feed-list {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--news-border);
}

.page-news .feed-item {
  display: grid;
  grid-template-columns: 1fr;
  gap: .7rem;
  padding: 1.4rem 0;
  border-bottom: 1px solid var(--news-border);
  transition: background-color .35s var(--ease);
}

.page-news .feed-item:hover {
  background: linear-gradient(90deg, rgba(108, 75, 216, .1), transparent 70%);
}

.page-news .feed-item__date {
  font-size: .74rem;
  letter-spacing: .12em;
  color: var(--mist);
  text-transform: uppercase;
}

.page-news .feed-item__date span {
  display: inline-block;
  padding-left: .7rem;
  border-left: 2px solid var(--amber);
}

.page-news .feed-item__title {
  margin: 0 0 .55rem;
  font-size: clamp(1.05rem, 3.2vw, 1.32rem);
  font-weight: 800;
  line-height: 1.35;
  color: var(--white);
}

.page-news .feed-item__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .6rem;
  margin: 0 0 .7rem;
}

.page-news .feed-item__cue {
  font-size: .78rem;
  letter-spacing: .06em;
  color: rgba(185, 192, 216, .72);
}

.page-news .feed-item__text {
  margin: 0;
  color: var(--body-dark);
  font-size: .94rem;
  line-height: 1.85;
  max-width: 62ch;
}

.page-news .feed-item__more {
  margin-top: .7rem;
}

.page-news .feed-item__more summary {
  display: inline-block;
  cursor: pointer;
  font-size: .8rem;
  letter-spacing: .08em;
  color: var(--cyan);
  list-style: none;
  border-bottom: 1px dashed rgba(63, 224, 208, .45);
  padding-bottom: 2px;
}

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

.page-news .feed-item__more p {
  margin: .8rem 0 0;
  padding-left: .9rem;
  border-left: 2px solid var(--news-violet-soft);
  color: var(--mist);
  font-size: .9rem;
  line-height: 1.85;
  max-width: 60ch;
}

.page-news .feed-photo {
  margin: 0 0 1.6rem;
}

.page-news .feed-photo .media-frame {
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--news-border);
}

.page-news .feed-photo .media-caption {
  margin-top: .7rem;
  color: var(--mist);
  font-size: .8rem;
  letter-spacing: .04em;
  max-width: 52ch;
}

.page-news .filter-empty {
  margin-top: 1.6rem;
  color: var(--mist);
  font-size: .9rem;
  letter-spacing: .04em;
}

/* ===== 编辑推荐纸面专栏 ===== */
.page-news .editor-paper {
  position: relative;
  padding: clamp(1.5rem, 4.5vw, 3.2rem);
  border-radius: var(--r-lg);
  background: var(--paper);
  color: var(--body-paper);
  transform: rotate(-.5deg);
  box-shadow: 0 30px 80px rgba(7, 11, 31, .55);
}

.page-news .editor-paper::before {
  content: "";
  position: absolute;
  inset: 10px 10px auto auto;
  width: 68px;
  height: 68px;
  border-top: 2px solid var(--ember);
  border-right: 2px solid var(--ember);
  border-radius: 0 14px 0 0;
  opacity: .7;
}

.page-news .editor-paper__head {
  margin-bottom: 1.6rem;
}

.page-news .editor-paper__head .eyebrow {
  color: var(--ember);
}

.page-news .editor-paper__title {
  margin: .3rem 0 0;
  font-size: clamp(1.4rem, 4.4vw, 2rem);
  font-weight: 900;
  letter-spacing: -.01em;
  line-height: 1.2;
  color: var(--body-paper);
}

.page-news .editor-paper__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.4rem;
}

.page-news .editor-point__num {
  display: inline-block;
  margin-bottom: .35rem;
  font-size: 1.5rem;
  font-weight: 900;
  color: var(--ember);
}

.page-news .editor-point h3 {
  margin: 0 0 .4rem;
  font-size: 1.04rem;
  font-weight: 800;
  color: var(--body-paper);
}

.page-news .editor-point p {
  margin: 0;
  font-size: .92rem;
  line-height: 1.85;
  color: rgba(42, 31, 26, .8);
}

.page-news .editor-paper__foot {
  margin: 1.8rem 0 0;
  padding-top: 1.2rem;
  border-top: 1px dashed rgba(42, 31, 26, .22);
  font-size: .88rem;
  line-height: 1.8;
  color: rgba(42, 31, 26, .74);
}

/* ===== 栏目浏览 ===== */
.page-news .channel-banner {
  border-radius: var(--r-lg);
  overflow: hidden;
  margin-bottom: clamp(1.4rem, 3.5vw, 2.2rem);
  border: 1px solid var(--news-border);
}

.page-news .channel-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--news-border);
  border: 1px solid var(--news-border);
  border-radius: var(--r-lg);
  overflow: hidden;
}

.page-news .channel {
  display: grid;
  gap: .35rem;
  padding: 1.3rem 1.2rem;
  background: rgba(7, 11, 31, .92);
  text-decoration: none;
  transition: background-color .35s var(--ease);
}

.page-news .channel:hover,
.page-news .channel:focus-visible {
  background: linear-gradient(150deg, rgba(108, 75, 216, .28), rgba(7, 11, 31, .96));
}

.page-news .channel__idx {
  font-size: .74rem;
  font-weight: 800;
  letter-spacing: .18em;
  color: var(--amber);
}

.page-news .channel h3 {
  margin: 0;
  font-size: 1.06rem;
  font-weight: 800;
  color: var(--white);
}

.page-news .channel p {
  margin: 0;
  font-size: .86rem;
  line-height: 1.7;
  color: var(--mist);
}

/* ===== 订阅面板 ===== */
.page-news .sub-panel {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.8rem;
  padding: clamp(1.5rem, 4.5vw, 2.8rem);
  border-radius: var(--r-lg);
  border: 1px solid var(--news-border);
  background:
    radial-gradient(circle at 88% 12%, rgba(63, 224, 208, .16), transparent 55%),
    linear-gradient(160deg, rgba(43, 27, 77, .6), rgba(7, 11, 31, .9));
}

.page-news .sub-panel__copy h2 {
  color: var(--white);
  margin: .2rem 0 .8rem;
  max-width: 16ch;
}

.page-news .sub-panel__text {
  margin: 0 0 1.2rem;
  max-width: 50ch;
  color: var(--body-dark);
  line-height: 1.85;
}

.page-news .sub-panel__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: .55rem;
}

.page-news .sub-panel__list li {
  position: relative;
  padding-left: 1.1rem;
  font-size: .9rem;
  line-height: 1.75;
  color: var(--mist);
}

.page-news .sub-panel__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .68em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--cyan);
}

.page-news .sub-picks {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: .6rem;
  align-content: start;
}

.page-news .pick {
  display: flex;
  align-items: center;
  gap: .5rem;
  padding: .62rem .85rem;
  border-radius: var(--r-pill);
  border: 1px solid var(--news-border);
  background: rgba(7, 11, 31, .55);
  color: var(--mist);
  font-size: .84rem;
  letter-spacing: .04em;
  cursor: pointer;
  transition: color .3s var(--ease), border-color .3s var(--ease), background-color .3s var(--ease);
}

.page-news .pick:hover,
.page-news .pick:focus-visible {
  color: var(--white);
  border-color: var(--news-violet-soft);
}

.page-news .pick__dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  border: 1px solid rgba(185, 192, 216, .5);
  transition: background-color .3s var(--ease), box-shadow .3s var(--ease);
}

.page-news .pick[aria-pressed="true"] {
  color: var(--white);
  border-color: rgba(240, 169, 59, .55);
  background: rgba(240, 169, 59, .12);
}

.page-news .pick[aria-pressed="true"] .pick__dot {
  background: var(--amber);
  border-color: var(--amber);
  box-shadow: 0 0 0 4px rgba(240, 169, 59, .18);
}

.page-news .sub-picks__hint {
  grid-column: 1 / -1;
  margin: .3rem 0 0;
  font-size: .78rem;
  line-height: 1.7;
  color: rgba(185, 192, 216, .68);
}

/* ===== 页尾行动点 ===== */
.page-news .news-cta {
  display: grid;
  gap: 1.2rem;
  margin-top: clamp(1.6rem, 4vw, 2.6rem);
  padding-top: clamp(1.4rem, 3.5vw, 2rem);
  border-top: 1px solid var(--news-border);
}

.page-news .news-cta__text {
  margin: 0;
  max-width: 56ch;
  color: var(--mist);
  line-height: 1.85;
}

.page-news .news-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: .7rem;
}

/* ===== 平板起 ===== */
@media (min-width: 620px) {
  .page-news .news-hero__facts {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-news .feed-item {
    grid-template-columns: 8.5rem 1fr;
    gap: 0 1.8rem;
    padding: 1.8rem 0;
  }

  .page-news .feed-item__date span {
    writing-mode: vertical-rl;
    letter-spacing: .22em;
    padding: .1rem 0 .1rem .55rem;
    border-left: none;
    border-right: 2px solid var(--amber);
    max-height: 8.5rem;
  }

  .page-news .editor-paper__grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
  }

  .page-news .channel-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-news .news-cta {
    grid-template-columns: 1fr auto;
    align-items: center;
  }
}

/* ===== 桌面 ===== */
@media (min-width: 920px) {
  .page-news .news-hero__inner {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
    align-items: end;
    gap: 2rem 3.4rem;
  }

  .page-news .news-hero__eyebrow,
  .page-news .news-hero__title,
  .page-news .news-hero__lede {
    grid-column: 1;
  }

  .page-news .news-hero__facts {
    grid-column: 1 / -1;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 2rem;
  }

  .page-news .news-hero__note {
    display: block;
  }

  .page-news .topic-deck {
    grid-template-columns: 1.5fr 1fr;
    align-items: start;
  }

  .page-news .topic--wide {
    grid-row: span 2;
    grid-template-columns: 1fr;
  }

  .page-news .topic--wide .topic__media {
    aspect-ratio: 16 / 9;
  }

  .page-news .topic--tall .topic__media {
    aspect-ratio: 4 / 5;
  }

  .page-news .topic--paper {
    align-self: stretch;
    border-style: dashed;
  }

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

  .page-news .sub-panel {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
    gap: 3rem;
    align-items: start;
  }

  .page-news .editor-paper {
    margin-left: clamp(0px, 4vw, 3.5rem);
    margin-right: clamp(0px, 4vw, 3.5rem);
  }
}

@media (min-width: 1180px) {
  .page-news .topic-deck {
    grid-template-columns: 1.62fr 1fr;
  }

  .page-news .topic--wide {
    grid-template-columns: 1.1fr .9fr;
    align-items: center;
  }

  .page-news .topic--wide .topic__body {
    padding-right: .6rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .topic,
  .page-news .topic__media img,
  .page-news .channel,
  .page-news .pick {
    transition: none;
  }

  .page-news .editor-paper {
    transform: none;
  }
}