.page-news {
  background: var(--ink-900);
  color: var(--paper);
  overflow-x: hidden;
}

.page-news .container {
  width: 100%;
  max-width: var(--width);
  margin: 0 auto;
  padding: 0 clamp(18px, 4.5vw, 40px);
}

.page-news .eyebrow {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--slate);
}

.page-news a {
  color: inherit;
}

.page-news .mono-num,
.page-news .issue-no,
.page-news .issue-ver,
.page-news .rule-k {
  font-family: var(--font-mono);
}

.page-news :focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  position: relative;
  overflow: hidden;
  background: var(--ink-900);
  border-bottom: 2px solid var(--line);
}

.page-news .news-hero::before {
  content: "";
  position: absolute;
  top: -30%;
  right: -18%;
  width: 78%;
  height: 170%;
  background: linear-gradient(155deg, var(--indigo-jewel) 0%, rgba(36, 30, 69, 0) 72%);
  clip-path: polygon(34% 0, 100% 0, 100% 100%, 0 100%);
  pointer-events: none;
}

.page-news .news-hero .container {
  position: relative;
  z-index: 1;
  padding-top: clamp(20px, 3vw, 30px);
  padding-bottom: clamp(36px, 6vw, 64px);
}

.page-news .bc-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0 0 clamp(22px, 4vw, 38px);
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
}

.page-news .bc-item {
  display: flex;
  align-items: center;
  gap: 8px;
}

.page-news .bc-item + .bc-item::before {
  content: "›";
  color: var(--cyan);
}

.page-news .bc-link {
  color: var(--slate);
  text-decoration: none;
  padding-bottom: 2px;
  border-bottom: 1px solid transparent;
}

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

.page-news .bc-item[aria-current] .bc-link {
  color: var(--paper);
  border-bottom-color: var(--amber);
}

.page-news .hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 44px);
}

.page-news .hero-title {
  margin: 0 0 18px;
  font-size: clamp(32px, 6vw, 60px);
  line-height: 1.03;
  letter-spacing: -0.02em;
  font-weight: 800;
}

.page-news .hero-lead {
  margin: 0 0 24px;
  max-width: 46ch;
  font-size: clamp(15px, 1.4vw, 17px);
  line-height: 1.8;
  color: var(--mist-b);
}

.page-news .hero-facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 0 0 26px;
  background: var(--line);
  border: 2px solid var(--line);
}

.page-news .fact {
  background: rgba(14, 34, 51, 0.88);
  padding: 12px 14px 14px;
}

.page-news .fact-num {
  display: block;
  width: -moz-fit-content;
  width: fit-content;
  margin-bottom: 8px;
  padding-bottom: 4px;
  font-family: var(--font-mono);
  font-size: 16px;
  letter-spacing: 0.02em;
  color: var(--cyan);
  border-bottom: 2px solid var(--cyan-line);
}

.page-news .fact-label {
  display: block;
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--slate);
}

.page-news .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-news .news-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 20px;
  border: 2px solid var(--cyan);
  background: var(--cyan);
  color: var(--ink-900);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-decoration: none;
  box-shadow: var(--shadow-sm);
  transition: transform 180ms var(--ease), box-shadow 180ms var(--ease);
}

.page-news .news-btn:hover {
  transform: translate(-2px, -2px);
  box-shadow: 6px 6px 0 rgba(63, 214, 196, 0.28);
}

.page-news .news-btn--ghost {
  background: transparent;
  color: var(--paper);
  border-color: var(--line-strong);
  box-shadow: none;
}

.page-news .news-btn--ghost:hover {
  color: var(--cyan);
  border-color: var(--cyan);
  box-shadow: var(--shadow-sm);
}

.page-news .plate {
  margin: 0;
  background: var(--navy-800);
  border: 2px solid var(--line-strong);
  box-shadow: var(--shadow);
}

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

.page-news .hero-plate {
  align-self: start;
}

/* ---------- 档案列表 ---------- */
.page-news .archive {
  padding: clamp(36px, 5vw, 60px) 0 clamp(40px, 6vw, 72px);
}

.page-news .section-head {
  max-width: 58ch;
  margin-bottom: clamp(22px, 3.5vw, 34px);
}

.page-news .section-title {
  margin: 0 0 12px;
  font-size: clamp(24px, 3.4vw, 36px);
  line-height: 1.15;
  letter-spacing: -0.01em;
  font-weight: 800;
}

.page-news .section-sub {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--mist-b);
}

.page-news .news-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: clamp(22px, 3.5vw, 32px);
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line);
}

.page-news .cat-btn {
  -webkit-appearance: none;
  appearance: none;
  cursor: pointer;
  padding: 9px 14px;
  border: 2px solid var(--line-strong);
  background: transparent;
  color: var(--mist-b);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  transition: border-color 180ms var(--ease), color 180ms var(--ease), background 180ms var(--ease);
}

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

.page-news .cat-btn[aria-pressed="true"] {
  background: var(--cyan);
  border-color: var(--cyan);
  color: var(--ink-900);
  font-weight: 700;
  box-shadow: var(--shadow-sm);
}

.page-news .archive-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

.page-news .issue-scale {
  display: none;
}

.page-news .scale-list {
  display: grid;
  gap: 2px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .scale-link {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 4px 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--slate);
  text-decoration: none;
}

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

.page-news .scale-dash {
  flex: 1;
  height: 1px;
  background: var(--line-strong);
}

.page-news .scale-link:hover .scale-dash {
  background: var(--cyan);
}

.page-news .issue-list {
  display: grid;
  gap: 14px;
}

.page-news .issue-card {
  position: relative;
  padding: 22px 18px 16px;
  background: var(--navy-800);
  border: 2px solid var(--line);
  box-shadow: var(--shadow-sm);
  transition: border-color 180ms var(--ease);
}

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

.page-news .issue-card::before {
  content: "";
  position: absolute;
  top: -2px;
  left: -2px;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--mist-a), var(--mist-b));
}

.page-news .issue-card:nth-child(-n + 4)::before {
  background: linear-gradient(90deg, var(--mist-b), var(--cyan));
}

.page-news .issue-card:nth-child(-n + 2)::before {
  background: linear-gradient(90deg, var(--cyan), var(--amber));
}

.page-news .issue-card::after {
  content: "";
  position: absolute;
  top: -2px;
  right: -2px;
  width: 20px;
  height: 20px;
  background: var(--ink-900);
  clip-path: polygon(0 0, 100% 0, 100% 100%);
  pointer-events: none;
}

.page-news .issue-card:target {
  border-color: var(--amber);
  box-shadow: var(--shadow-cyan);
}

.page-news .issue-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}

.page-news .issue-no {
  padding-bottom: 2px;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 2px solid var(--cyan-line);
}

.page-news .issue-no:hover {
  border-bottom-color: var(--cyan);
}

.page-news .issue-ver {
  margin-left: auto;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--slate);
}

.page-news .tag {
  display: inline-flex;
  align-items: center;
  padding: 4px 8px;
  font-size: 10px;
  letter-spacing: 0.14em;
  border: 1px solid var(--line-strong);
  color: var(--mist-b);
}

.page-news .tag--cyan {
  color: var(--cyan);
  background: rgba(63, 214, 196, 0.14);
  border-color: var(--cyan-line);
}

.page-news .tag--amber {
  color: var(--amber);
  background: rgba(242, 160, 61, 0.14);
  border-color: var(--amber-line);
}

.page-news .tag--slate {
  color: var(--mist-b);
  background: rgba(147, 163, 174, 0.14);
}

.page-news .tag--wine {
  color: #E2A8B5;
  background: rgba(110, 31, 51, 0.42);
  border-color: rgba(110, 31, 51, 0.95);
}

.page-news .issue-title {
  margin: 0 0 8px;
  font-size: clamp(16px, 2vw, 19px);
  line-height: 1.5;
  font-weight: 700;
}

.page-news .issue-summary {
  margin: 0 0 12px;
  max-width: 52ch;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist-b);
}

.page-news .issue-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 18px;
  margin: 0 0 12px;
  padding-top: 12px;
  border-top: 1px dashed var(--line);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--slate);
}

.page-news .issue-detail {
  border-top: 1px solid var(--line);
  padding-top: 10px;
}

.page-news .issue-detail > summary {
  cursor: pointer;
  list-style: none;
  padding: 4px 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--cyan);
}

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

.page-news .issue-detail > summary::after {
  content: " +";
}

.page-news .issue-detail[open] > summary::after {
  content: " −";
}

.page-news .change-list {
  margin: 12px 0;
  padding-left: 20px;
  font-size: 14px;
  line-height: 1.78;
  color: var(--mist-b);
}

.page-news .change-list li {
  margin-bottom: 6px;
}

.page-news .issue-flow {
  margin: 0 0 4px;
  padding-left: 12px;
  border-left: 3px solid var(--amber-line);
  font-size: 12.5px;
  line-height: 1.8;
  color: var(--slate);
}

.page-news .is-filtered-out {
  display: none;
}

.page-news .is-flash {
  animation: newsFade 120ms var(--ease) both;
}

@keyframes newsFade {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* ---------- 纸白说明板 ---------- */
.page-news .paper {
  padding: clamp(36px, 5vw, 64px) 0;
  background: var(--paper);
  color: var(--graphite);
  border-top: 2px solid var(--line);
  border-bottom: 2px solid var(--line);
}

.page-news .paper .eyebrow {
  color: #5E6E7A;
}

.page-news .paper .section-sub {
  color: #33404A;
}

.page-news .split {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 4vw, 44px);
}

.page-news .paper .plate {
  border-color: rgba(16, 20, 24, 0.28);
  box-shadow: 6px 6px 0 rgba(16, 20, 24, 0.16);
}

.page-news .rule-block {
  display: grid;
  gap: 1px;
  margin: 22px 0 0;
  background: rgba(16, 20, 24, 0.14);
  border: 2px solid rgba(16, 20, 24, 0.18);
}

.page-news .rule-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
  padding: 14px 16px;
  background: var(--paper);
}

.page-news .rule-k {
  font-size: 12px;
  letter-spacing: 0.04em;
  color: #1D5C56;
}

.page-news .rule-v {
  font-size: 14px;
  line-height: 1.75;
  color: #26313A;
}

.page-news .rule-example {
  margin: 20px 0 0;
  padding-left: 14px;
  border-left: 3px solid var(--amber);
  font-size: 14px;
  line-height: 1.8;
  color: #26313A;
}

.page-news .decide-head {
  margin: 24px 0 0;
  font-size: 15px;
  letter-spacing: 0.06em;
  color: #1D5C56;
}

.page-news .decide-list {
  counter-reset: dec;
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
}

.page-news .decide-list li {
  counter-increment: dec;
  position: relative;
  margin-bottom: 14px;
  padding-left: 38px;
  font-size: 14.5px;
  line-height: 1.78;
  color: #26313A;
}

.page-news .decide-list li::before {
  content: counter(dec, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 3px;
  padding-bottom: 2px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: #1D5C56;
  border-bottom: 2px solid var(--cyan);
}

.page-news .decide-list--wait li::before {
  border-bottom-color: var(--mist-a);
}

/* ---------- 珠宝色分区 ---------- */
.page-news .cats {
  padding: clamp(36px, 5vw, 64px) 0;
  background: var(--teal-jewel);
  border-top: 2px solid var(--line);
  border-bottom: 2px solid var(--line);
}

.page-news .cat-legend {
  display: grid;
  gap: 14px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}

.page-news .cat-legend li {
  display: grid;
  grid-template-columns: 14px minmax(0, 1fr);
  gap: 12px;
  font-size: 14px;
  line-height: 1.78;
  color: var(--mist-b);
}

.page-news .cat-legend strong {
  margin-right: 6px;
  font-weight: 700;
  color: var(--paper);
}

.page-news .swatch {
  width: 14px;
  height: 14px;
  margin-top: 5px;
  border: 1px solid rgba(0, 0, 0, 0.35);
}

.page-news .swatch--cyan { background: var(--cyan); }
.page-news .swatch--amber { background: var(--amber); }
.page-news .swatch--slate { background: var(--mist-a); }
.page-news .swatch--wine { background: #B4526A; }

/* ---------- 下一步 ---------- */
.page-news .next {
  padding: clamp(34px, 5vw, 60px) 0;
  background: var(--indigo-jewel);
  border-top: 2px solid var(--line);
}

.page-news .next-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-top: 22px;
}

.page-news .next-card {
  display: block;
  padding: 18px;
  background: rgba(8, 19, 31, 0.48);
  border: 2px solid var(--line-strong);
  box-shadow: var(--shadow-sm);
  text-decoration: none;
  transition: border-color 180ms var(--ease), transform 180ms var(--ease);
}

.page-news a.next-card:hover {
  border-color: var(--cyan);
  transform: translate(-2px, -2px);
}

.page-news .next-k {
  display: inline-block;
  margin-bottom: 10px;
  padding-bottom: 3px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  color: var(--cyan);
  border-bottom: 2px solid var(--cyan-line);
}

.page-news .next-card h3 {
  margin: 0 0 8px;
  font-size: 16px;
  line-height: 1.5;
  font-weight: 700;
}

.page-news .next-card p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--mist-b);
}

.page-news .next-contact {
  margin: 26px 0 0;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  font-size: 13.5px;
  line-height: 1.9;
  color: var(--mist-b);
}

.page-news .next-link {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--cyan-line);
}

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

/* ---------- 响应式 ---------- */
@media (min-width: 520px) {
  .page-news .hero-facts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-news .rule-row {
    grid-template-columns: minmax(0, 0.4fr) minmax(0, 1fr);
    gap: 14px;
    align-items: start;
  }
}

@media (min-width: 760px) {
  .page-news .next-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 920px) {
  .page-news .hero-grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    align-items: start;
  }
}

@media (min-width: 940px) {
  .page-news .split {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.92fr);
    align-items: start;
  }

  .page-news .split--flip > .split-media {
    order: -1;
  }
}

@media (min-width: 1000px) {
  .page-news .archive-grid {
    grid-template-columns: 138px minmax(0, 1fr);
    gap: 36px;
  }

  .page-news .issue-scale {
    display: block;
    position: sticky;
    top: 92px;
    align-self: start;
    padding-right: 16px;
    border-right: 1px solid var(--line);
  }

  .page-news .issue-card {
    padding: 24px 26px 18px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-btn,
  .page-news .issue-card,
  .page-news .cat-btn,
  .page-news .next-card,
  .page-news .is-flash {
    transition: none;
    animation: none;
  }

  .page-news .news-btn:hover,
  .page-news a.next-card:hover {
    transform: none;
  }
}