.page-news {
  --d: 0s;
  --line: rgba(122, 92, 34, .38);
  --line-soft: rgba(122, 92, 34, .22);
  display: block;
  background: var(--deep);
  color: var(--paper);
  padding-bottom: 88px;
}

.page-news .breadcrumb {
  margin: 0 0 30px;
  font-size: 13px;
  letter-spacing: .02em;
}

/* ---------- 首屏 ---------- */
.page-news .news-head {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  padding-top: 4px;
}

.page-news .news-head::before {
  content: "";
  position: absolute;
  inset: -60px -24px 0 -24px;
  background: radial-gradient(62% 78% at 16% 0%, rgba(227, 180, 87, .12), rgba(227, 180, 87, 0) 72%);
  pointer-events: none;
}

.page-news .news-head__text,
.page-news .news-head__fig {
  position: relative;
}

.page-news .news-head h1 {
  margin: 10px 0 16px;
  font-size: clamp(29px, 6.4vw, 54px);
  line-height: 1.16;
  font-weight: 900;
  letter-spacing: .05em;
  color: var(--paper);
}

.page-news .news-head .lead {
  margin: 0;
  max-width: 46ch;
  font-size: 16px;
  line-height: 1.8;
  color: var(--mist);
}

.page-news .news-head__fig {
  margin: 0;
  border-top: 2px solid var(--gold);
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  border-left: 1px solid var(--line);
  background: linear-gradient(150deg, rgba(16, 39, 61, .9), rgba(5, 13, 22, .92));
  padding: 10px;
}

.page-news .news-head__fig img,
.page-news .sec-fig img,
.page-news .note__fig img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 节奏条 ---------- */
.page-news .rhythm {
  list-style: none;
  margin: 40px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-news .rhythm__i {
  background: var(--panel);
  padding: 16px 16px 18px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.page-news .rhythm__i b {
  font-size: 22px;
  font-weight: 700;
  color: var(--gold);
  letter-spacing: .02em;
  line-height: 1.1;
}

.page-news .rhythm__i span {
  font-size: 12.5px;
  line-height: 1.5;
  color: var(--mist);
}

/* ---------- 通用节标题 ---------- */
.page-news .sec-head {
  max-width: 62ch;
  margin-bottom: 26px;
}

.page-news .sec-head h2 {
  margin: 10px 0 12px;
  font-size: clamp(22px, 3.4vw, 32px);
  line-height: 1.28;
  font-weight: 800;
  letter-spacing: .05em;
  color: var(--paper);
}

.page-news .sec-sub {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--mist);
}

.page-news .sec-fig {
  margin: 0 0 30px;
  border: 1px solid var(--line);
  background: linear-gradient(160deg, rgba(16, 39, 61, .86), rgba(5, 13, 22, .92));
  padding: 10px;
}

/* ---------- 筛选 ---------- */
.page-news .nf {
  position: relative;
}

.page-news .nf-input {
  position: absolute;
  top: 0;
  left: 0;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-news .nf-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 30px;
}

.page-news .nf-btn {
  display: inline-block;
  padding: 8px 15px;
  font-size: 13px;
  letter-spacing: .05em;
  color: var(--mist);
  background: rgba(16, 39, 61, .7);
  border: 1px solid var(--line);
  clip-path: polygon(9px 0, 100% 0, 100% calc(100% - 9px), calc(100% - 9px) 100%, 0 100%, 0 9px);
  cursor: pointer;
  user-select: none;
  transition: color .24s var(--ease), background .24s var(--ease), border-color .24s var(--ease);
}

.page-news .nf-btn:hover {
  color: var(--paper);
  border-color: var(--gold);
}

.page-news #nf-all:checked ~ .nf-bar label[for="nf-all"],
.page-news #nf-spec:checked ~ .nf-bar label[for="nf-spec"],
.page-news #nf-net:checked ~ .nf-bar label[for="nf-net"],
.page-news #nf-ver:checked ~ .nf-bar label[for="nf-ver"],
.page-news #nf-inst:checked ~ .nf-bar label[for="nf-inst"],
.page-news #nf-note:checked ~ .nf-bar label[for="nf-note"] {
  background: var(--copper);
  border-color: var(--copper);
  color: var(--ink);
  font-weight: 700;
}

.page-news #nf-spec:checked ~ .nf-list .nf-item:not(.is-spec),
.page-news #nf-net:checked ~ .nf-list .nf-item:not(.is-net),
.page-news #nf-ver:checked ~ .nf-list .nf-item:not(.is-ver),
.page-news #nf-inst:checked ~ .nf-list .nf-item:not(.is-inst),
.page-news #nf-note:checked ~ .nf-list .nf-item:not(.is-note) {
  display: none;
}

/* ---------- 条目列表 ---------- */
.page-news .nf-list {
  display: grid;
  gap: 18px;
}

.page-news .nf-item {
  position: relative;
  padding-left: 26px;
}

.page-news .nf-item::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 12px;
  bottom: -20px;
  width: 1px;
  background: linear-gradient(180deg, rgba(227, 180, 87, .6), rgba(122, 92, 34, .18));
}

.page-news .nf-item:last-child::before {
  display: none;
}

.page-news .nf-item::after {
  content: "";
  position: absolute;
  left: 0;
  top: 13px;
  width: 9px;
  height: 9px;
  background: var(--copper);
  transform: rotate(45deg);
}

.page-news .nf-card {
  position: relative;
  background: linear-gradient(155deg, rgba(16, 39, 61, .96) 0%, rgba(8, 22, 38, .96) 100%);
  clip-path: polygon(0 0, calc(100% - 14px) 0, 100% 14px, 100% 100%, 14px 100%, 0 calc(100% - 14px));
  padding: 16px 20px 18px;
  transition: background .3s var(--ease);
}

.page-news .nf-card:hover {
  background: linear-gradient(155deg, rgba(21, 51, 79, .98) 0%, rgba(10, 27, 46, .98) 100%);
}

.page-news .nf-card > summary {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  list-style: none;
  cursor: pointer;
  align-items: start;
}

.page-news .nf-card > summary::-webkit-details-marker {
  display: none;
}

.page-news .nf-card > summary::after {
  content: "+";
  position: absolute;
  right: 18px;
  top: 12px;
  font-family: var(--mono);
  font-size: 17px;
  line-height: 1;
  color: var(--copper);
}

.page-news .nf-card[open] > summary::after {
  content: "−";
  color: var(--gold);
}

.page-news .nf-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.page-news .nf-time {
  font-size: 12px;
  letter-spacing: .05em;
  color: var(--mist);
}

.page-news .nf-title {
  display: block;
  padding-right: 28px;
  font-size: 15.5px;
  line-height: 1.62;
  font-weight: 600;
  color: var(--paper);
}

.page-news .nf-body {
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px dashed var(--line);
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--mist);
}

.page-news .nf-body p {
  margin: 0;
}

.page-news .nf-link {
  display: inline-block;
  margin-top: 10px;
  font-size: 13.5px;
  color: var(--gold);
  text-decoration: none;
  border-bottom: 1px solid rgba(227, 180, 87, .45);
}

.page-news .nf-link:hover {
  color: var(--gold-hi);
  border-color: var(--gold-hi);
}

/* ---------- 规格记录表 ---------- */
.page-news .log {
  border-top: 2px solid var(--edge);
}

.page-news .log-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line-soft);
  font-size: 14px;
  line-height: 1.7;
}

.page-news .log-row--head {
  border-bottom: 1px solid var(--line);
  padding: 10px 0;
}

.page-news .log-row--head span {
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--mist);
}

.page-news .log-when {
  font-size: 12px;
  letter-spacing: .05em;
  color: var(--copper);
}

.page-news .log-what {
  color: var(--paper);
  font-weight: 500;
}

.page-news .log-val {
  color: var(--gold);
  font-weight: 700;
}

.page-news .log-scope {
  color: var(--mist);
}

/* ---------- 网点阶梯 ---------- */
.page-news .wave {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-news .wave__i {
  background: rgba(10, 27, 46, .94);
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 7px;
}

.page-news .wave__bar {
  display: block;
  width: 100%;
  height: var(--h, 4px);
  background: linear-gradient(90deg, var(--jade), rgba(111, 168, 147, .25));
  margin-bottom: 6px;
}

.page-news .wave__n {
  font-size: 34px;
  font-weight: 700;
  line-height: 1;
  color: var(--gold);
}

.page-news .wave__y {
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--copper);
}

.page-news .wave__d {
  margin: 4px 0 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--mist);
}

.page-news .net-note {
  margin-top: 26px;
  max-width: 76ch;
  padding: 22px 24px;
}

.page-news .net-note h3 {
  margin: 0 0 10px;
  font-size: 17px;
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--gold);
}

.page-news .net-note p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--mist);
}

/* ---------- 版本线 ---------- */
.page-news .vline {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-news .vline__i {
  position: relative;
  padding: 0 0 26px 30px;
}

.page-news .vline__i::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 6px;
  bottom: 0;
  width: 1px;
  background: linear-gradient(180deg, var(--gold), rgba(122, 92, 34, .2));
}

.page-news .vline__i:last-child::before {
  display: none;
}

.page-news .vline__i::after {
  content: "";
  position: absolute;
  left: 0;
  top: 7px;
  width: 9px;
  height: 9px;
  transform: rotate(45deg);
  background: var(--gold);
}

.page-news .vline__box h3 {
  margin: 8px 0 8px;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.45;
  letter-spacing: .03em;
  color: var(--paper);
}

.page-news .vline__box p {
  margin: 0;
  max-width: 60ch;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--mist);
}

.page-news .vline__tag {
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--copper);
}

/* ---------- 专题笔记 ---------- */
.page-news .notes {
  display: grid;
  gap: 26px;
}

.page-news .note {
  background: linear-gradient(160deg, rgba(16, 39, 61, .92), rgba(8, 22, 38, .95));
  border-left: 2px solid var(--jade);
  padding: 22px 22px 24px;
  display: grid;
  gap: 20px;
}

.page-news .note__fig {
  margin: 0;
  border: 1px solid var(--line);
  padding: 8px;
  background: rgba(5, 13, 22, .7);
}

.page-news .note__sum h3 {
  margin: 10px 0 10px;
  font-size: 18px;
  font-weight: 700;
  line-height: 1.5;
  letter-spacing: .03em;
  color: var(--paper);
}

.page-news .note__sum p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--mist);
}

.page-news .note__ev {
  border-top: 1px dashed var(--line);
  padding-top: 14px;
}

.page-news .note__ev > summary {
  cursor: pointer;
  list-style: none;
  font-size: 13.5px;
  letter-spacing: .04em;
  color: var(--gold);
}

.page-news .note__ev > summary::-webkit-details-marker {
  display: none;
}

.page-news .note__ev > summary::before {
  content: "▹ ";
  color: var(--copper);
}

.page-news .note__ev[open] > summary::before {
  content: "▾ ";
}

.page-news .note__ev-body {
  margin-top: 12px;
  font-size: 14px;
  line-height: 1.78;
  color: var(--mist);
}

.page-news .note__ev-body p {
  margin: 0 0 10px;
}

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

.page-news .note__ev-body strong {
  color: var(--paper);
  font-weight: 600;
}

.page-news .notes-foot {
  margin: 30px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--line-soft);
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--mist);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-news .news-head {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
    gap: 44px;
    align-items: end;
  }

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

  .page-news .nf-card > summary {
    grid-template-columns: 138px minmax(0, 1fr);
    gap: 24px;
  }

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

  .page-news .nf-body {
    margin-left: 162px;
  }

  .page-news .log-row {
    grid-template-columns: 96px minmax(0, 1.5fr) minmax(0, 1fr) minmax(0, 1fr);
    gap: 20px;
    align-items: baseline;
    padding: 15px 0;
  }
}

@media (min-width: 880px) {
  .page-news .wave {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-news .note {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
    gap: 30px;
    align-items: start;
  }

  .page-news .note__fig {
    grid-column: 1 / -1;
  }
}

@media (min-width: 1100px) {
  .page-news {
    padding-bottom: 108px;
  }

  .page-news .news-head {
    gap: 56px;
  }

  .page-news .nf-list {
    gap: 20px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .nf-card,
  .page-news .nf-btn {
    transition: none;
  }
}
</main>

.page-news {
  --h: 1rem;
}