.page-news {
  --news-blue-soft: #1D6796;
  --news-blue-soft-deep: #155275;
  --news-abyss: #071E33;
  --news-teal-ink: #1F7A67;

  background: var(--c-paper);
  color: var(--c-ink);
  overflow-x: clip;
}

/* ---------- 首屏 ---------- */

.page-news .news-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: calc(var(--header-h) + 52px) 0 96px;
  background: radial-gradient(140% 120% at 12% 0%, #14507A 0%, rgba(11, 42, 69, 0.92) 44%, var(--news-abyss) 100%);
  color: var(--c-paper);
}

.page-news .news-hero::before {
  content: "";
  position: absolute;
  inset: -25% -10% auto -10%;
  height: 130%;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(58% 38% at 24% 22%, rgba(232, 180, 74, 0.16), transparent 70%),
    radial-gradient(48% 34% at 82% 64%, rgba(255, 122, 69, 0.14), transparent 72%),
    radial-gradient(44% 30% at 54% 92%, rgba(47, 168, 143, 0.12), transparent 70%);
  animation: news-drift 38s ease-in-out infinite alternate;
}

@keyframes news-drift {
  from { transform: translate3d(-2%, -1%, 0) scale(1.02); }
  to { transform: translate3d(2%, 2%, 0) scale(1.07); }
}

.page-news .news-hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 36px;
  align-items: end;
}

.page-news .news-hero .display-xl {
  margin: 14px 0 0;
}

.page-news .news-hero .lede {
  margin: 20px 0 0;
  max-width: 46ch;
  color: rgba(251, 246, 236, 0.82);
  line-height: 1.9;
}

.page-news .news-hero-media {
  margin: 0;
  border: 1px solid var(--c-line-gold);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-2);
}

.page-news .news-hero-media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-news .news-version {
  display: inline-flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 14px;
  margin-top: 28px;
  padding: 10px 18px;
  border: 1px solid var(--c-line-gold);
  border-radius: 999px;
  background: rgba(232, 180, 74, 0.09);
  font-size: 13px;
  line-height: 1.4;
}

.page-news .news-version-k {
  letter-spacing: 0.18em;
  font-size: 12px;
  color: rgba(251, 246, 236, 0.62);
}

.page-news .news-version-v {
  font-family: var(--font-display);
  font-size: 17px;
  letter-spacing: 0.06em;
  color: var(--c-gold);
}

.page-news .news-version-n {
  color: rgba(251, 246, 236, 0.62);
}

.page-news .news-hero-annotation {
  display: none;
}

.page-news .news-wave {
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  width: 100%;
  height: 56px;
  color: var(--c-paper);
  display: block;
}

/* ---------- 本期头条 ---------- */

.page-news .news-headline {
  padding: 68px 0 72px;
  background: var(--c-paper);
}

.page-news .news-headline-head {
  max-width: 62ch;
  margin-bottom: 36px;
}

.page-news .news-headline-head .display-l {
  margin: 14px 0 0;
}

.page-news .news-headline-grid {
  row-gap: 32px;
}

.page-news .news-headline .media-frame {
  margin: 0;
}

.page-news .news-note {
  padding-left: 16px;
  border-left: 1px solid var(--c-line);
  margin-bottom: 24px;
}

.page-news .news-note:last-child {
  margin-bottom: 0;
}

.page-news .news-note-k {
  display: block;
  margin-bottom: 6px;
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--c-gold-deep);
}

.page-news .news-note p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--c-ink-soft);
}

/* ---------- 条目列表 ---------- */

.page-news .news-feed {
  padding: 56px 0 72px;
  background: var(--c-paper);
}

.page-news .news-feed .section-head {
  max-width: 60ch;
  margin-bottom: 28px;
}

.page-news .news-feed .display-m {
  margin: 14px 0 0;
}

.page-news .news-feed .lede {
  margin: 16px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--c-ink-soft);
}

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

.page-news .feed-item {
  display: grid;
  grid-template-columns: auto auto minmax(0, 1fr);
  grid-template-areas:
    "round tag"
    "title title"
    "when when";
  align-items: center;
  gap: 6px 14px;
  padding: 18px 2px;
  border-bottom: 1px solid var(--c-line-soft);
  transition: background var(--dur) var(--ease), padding-left var(--dur) var(--ease);
}

.page-news .feed-item:hover {
  background: rgba(232, 180, 74, 0.06);
  padding-left: 10px;
}

.page-news .feed-round {
  grid-area: round;
  font-family: var(--font-display);
  font-size: 30px;
  line-height: 1;
  letter-spacing: 0.04em;
  color: var(--c-gold-deep);
  border-bottom: 1px solid var(--c-line-gold);
  padding-bottom: 2px;
  cursor: help;
}

.page-news .feed-tag {
  grid-area: tag;
  justify-self: start;
  padding: 3px 9px;
  border-radius: var(--radius);
  border: 1px solid var(--c-line-gold);
  background: rgba(232, 180, 74, 0.10);
  color: var(--c-gold-deep);
  font-size: 12px;
  letter-spacing: 0.16em;
  white-space: nowrap;
}

.page-news .feed-tag--cycle {
  border-color: rgba(20, 80, 122, 0.32);
  background: rgba(20, 80, 122, 0.08);
  color: var(--c-mid);
}

.page-news .feed-tag--return {
  border-color: rgba(200, 16, 46, 0.30);
  background: rgba(200, 16, 46, 0.07);
  color: var(--c-red);
}

.page-news .feed-tag--class {
  border-color: rgba(47, 168, 143, 0.38);
  background: rgba(47, 168, 143, 0.10);
  color: var(--news-teal-ink);
}

.page-news .feed-title {
  grid-area: title;
  margin: 0;
  font-family: var(--font-body);
  font-size: 17px;
  font-weight: 600;
  line-height: 1.6;
}

.page-news .feed-title a {
  color: var(--c-ink);
  text-decoration: none;
  border-bottom: 1px solid rgba(20, 22, 26, 0.16);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-news .feed-title a:hover,
.page-news .feed-title a:focus-visible {
  color: var(--c-red);
  border-bottom-color: var(--c-red);
}

.page-news .feed-when {
  grid-area: when;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--c-ink-faint);
}

/* ---------- 专题分区 ---------- */

.page-news .news-topics {
  padding: 60px 0 76px;
  background: var(--c-paper);
}

.page-news .news-topics .section-head {
  max-width: 58ch;
  margin-bottom: 34px;
}

.page-news .news-topics .display-m {
  margin: 14px 0 0;
}

.page-news .news-topics .lede {
  margin: 16px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--c-ink-soft);
}

.page-news .topic-stack {
  display: grid;
  gap: 22px;
}

.page-news .topic {
  padding: 32px 26px;
  border-radius: var(--radius);
  box-shadow: var(--shadow-1);
}

.page-news .topic--deep {
  background: linear-gradient(152deg, #0B2A45 0%, var(--news-abyss) 100%);
  color: var(--c-paper);
}

.page-news .topic--mid {
  background: linear-gradient(152deg, #14507A 0%, #0E3C5C 100%);
  color: var(--c-paper);
}

.page-news .topic--soft {
  background: linear-gradient(152deg, var(--news-blue-soft) 0%, var(--news-blue-soft-deep) 100%);
  color: var(--c-paper);
}

.page-news .topic--mist {
  background: var(--c-mist);
  color: var(--c-ink);
}

.page-news .topic-title {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-size: 24px;
  line-height: 1.45;
  letter-spacing: 0.03em;
}

.page-news .topic-lede {
  margin: 14px 0 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(251, 246, 236, 0.78);
}

.page-news .topic--mist .topic-lede {
  color: var(--c-ink-soft);
}

.page-news .topic-lede a,
.page-news .topic-foot a {
  color: var(--c-gold);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-news .topic--mist .topic-lede a {
  color: var(--c-gold-deep);
}

.page-news .topic-list {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  border-top: 1px solid rgba(232, 180, 74, 0.32);
}

.page-news .topic--mist .topic-list {
  border-top-color: var(--c-line);
}

.page-news .topic-list li {
  padding: 12px 0 12px 14px;
  border-bottom: 1px solid rgba(251, 246, 236, 0.12);
  font-size: 15px;
  line-height: 1.7;
  position: relative;
}

.page-news .topic-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 20px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--c-gold);
}

.page-news .topic--mist .topic-list li {
  border-bottom-color: var(--c-line-soft);
}

.page-news .topic--mist .topic-list li::before {
  background: var(--c-red);
}

.page-news .topic-when {
  display: block;
  margin-bottom: 2px;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--c-gold);
}

.page-news .topic--mist .topic-when {
  color: var(--c-gold-deep);
}

.page-news .topic--split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
}

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

.page-news .topic-figure img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--radius);
  border: 1px solid rgba(251, 246, 236, 0.22);
  object-fit: cover;
}

.page-news .topic--mist .topic-figure img {
  border-color: var(--c-line);
}

.page-news .topic-figure figcaption {
  margin-top: 10px;
  font-size: 12px;
  letter-spacing: 0.18em;
  color: rgba(251, 246, 236, 0.6);
}

.page-news .topic--mist .topic-figure figcaption {
  color: var(--c-ink-faint);
}

.page-news .return-tiers {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  gap: 18px;
}

.page-news .return-tiers li {
  padding: 18px 18px 20px;
  border: 1px solid rgba(251, 246, 236, 0.2);
  border-radius: var(--radius);
  background: rgba(7, 30, 51, 0.22);
}

.page-news .return-tiers .num {
  display: inline-block;
}

.page-news .return-unit {
  display: inline-block;
  margin-left: 8px;
  font-size: 13px;
  letter-spacing: 0.16em;
  color: rgba(251, 246, 236, 0.7);
}

.page-news .return-tiers p {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: rgba(251, 246, 236, 0.78);
}

.page-news .topic-foot {
  margin: 20px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: rgba(251, 246, 236, 0.72);
}

/* ---------- 单条细读 ---------- */

.page-news .news-detail {
  padding: 84px 0 88px;
  background: var(--c-paper);
}

.page-news .news-detail-inner {
  max-width: 940px;
}

.page-news .news-detail-head {
  max-width: 58ch;
}

.page-news .news-detail-head .display-m {
  margin: 14px 0 0;
}

.page-news .news-detail-head .lede {
  margin: 18px 0 0;
  font-size: 16px;
  line-height: 1.9;
  color: var(--c-ink-soft);
}

.page-news .news-detail-body {
  margin-top: 44px;
  display: grid;
  gap: 34px;
}

.page-news .news-step {
  display: grid;
  grid-template-columns: 54px minmax(0, 1fr);
  column-gap: 20px;
  row-gap: 8px;
  align-items: start;
}

.page-news .news-step-no {
  font-family: var(--font-display);
  font-size: 30px;
  line-height: 1;
  color: var(--c-gold-deep);
  border-bottom: 1px solid var(--c-line-gold);
  padding-bottom: 4px;
  grid-row: span 2;
}

.page-news .news-step h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 21px;
  letter-spacing: 0.03em;
  line-height: 1.5;
}

.page-news .news-step p {
  margin: 0;
  font-size: 16px;
  line-height: 1.9;
  color: var(--c-ink-soft);
}

.page-news .news-detail .spec {
  margin-top: 40px;
}

.page-news .news-detail .spec-body p {
  margin: 0 0 12px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--c-ink-soft);
}

.page-news .news-detail .spec-body p:last-child {
  margin-bottom: 0;
}

/* ---------- 回看与反馈 ---------- */

.page-news .news-backread {
  padding: 64px 0 80px;
  background: var(--c-mist);
}

.page-news .news-backread-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 30px;
}

.page-news .news-backread-main .display-m {
  margin: 14px 0 0;
}

.page-news .backread-list {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  border-top: 1px solid var(--c-line);
}

.page-news .backread-list li {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 4px;
  padding: 14px 2px;
  border-bottom: 1px solid var(--c-line-soft);
}

.page-news .backread-list a {
  font-family: var(--font-display);
  font-size: 19px;
  letter-spacing: 0.04em;
  color: var(--c-deep);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-news .backread-list a:hover,
.page-news .backread-list a:focus-visible {
  color: var(--c-red);
  border-bottom-color: var(--c-red);
}

.page-news .backread-list span {
  font-size: 14px;
  line-height: 1.7;
  color: var(--c-ink-soft);
}

.page-news .news-feedback {
  padding: 26px 24px 28px;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  background: var(--c-paper);
  box-shadow: var(--shadow-1);
  align-self: start;
}

.page-news .news-feedback-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 21px;
  letter-spacing: 0.03em;
}

.page-news .news-feedback p {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--c-ink-soft);
}

.page-news .news-feedback a {
  color: var(--c-red);
  text-decoration: underline;
  text-underline-offset: 3px;
  word-break: break-all;
}

.page-news .news-feedback-note {
  padding-top: 14px;
  border-top: 1px solid var(--c-line-soft);
  font-size: 14px;
}

/* ---------- 响应式 ---------- */

@media (min-width: 720px) {
  .page-news .news-hero {
    padding-bottom: 118px;
  }

  .page-news .topic {
    padding: 40px 36px;
  }

  .page-news .topic--split {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: center;
  }

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

  .page-news .backread-list li {
    grid-template-columns: 190px minmax(0, 1fr);
    align-items: baseline;
    gap: 18px;
  }
}

@media (min-width: 900px) {
  .page-news .news-hero-inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 52px;
  }

  .page-news .feed-item {
    grid-template-columns: 74px 108px minmax(0, 1fr) 132px;
    grid-template-areas: "round tag title when";
    align-items: baseline;
    gap: 0 22px;
    padding: 20px 2px;
  }

  .page-news .feed-when {
    text-align: right;
  }

  .page-news .topic--mist {
    padding: 44px 40px;
  }

  .page-news .news-backread-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: 44px;
  }

  .page-news .news-detail-body {
    gap: 40px;
  }
}

@media (min-width: 1200px) {
  .page-news .news-hero-annotation {
    display: block;
    position: absolute;
    right: 28px;
    top: 42%;
    writing-mode: vertical-rl;
    font-size: 12px;
    letter-spacing: 0.22em;
    color: rgba(232, 180, 74, 0.66);
  }

  .page-news .topic--deep {
    margin-right: 4%;
  }

  .page-news .topic--mid {
    margin-left: 3%;
  }

  .page-news .topic--soft {
    margin-right: 6%;
  }
}

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

  .page-news .feed-item {
    transition: none;
  }
}