.page-news {
  background: var(--paper);
  color: var(--text);
}

/* ---------- 首屏 ---------- */
.page-news .upd-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(20px, 4vw, 36px) 0 clamp(40px, 7vw, 88px);
  background:
    radial-gradient(120% 90% at 88% 0%, rgba(201, 169, 106, 0.20), transparent 62%),
    linear-gradient(165deg, var(--ink-900) 0%, var(--ink-800) 58%, var(--ink-700) 100%);
  color: var(--paper);
}

.page-news .upd-hero::after {
  content: "";
  position: absolute;
  inset: auto -10% -40% 55%;
  height: 70%;
  background: repeating-linear-gradient(135deg, rgba(201, 169, 106, 0.10) 0 2px, transparent 2px 14px);
  pointer-events: none;
}

.page-news .upd-hero .breadcrumb,
.page-news .upd-hero .breadcrumb__list,
.page-news .upd-hero .breadcrumb__list a {
  color: rgba(244, 239, 230, 0.72);
}

.page-news .upd-hero .breadcrumb__list a {
  text-decoration: none;
  border-bottom: 1px solid rgba(216, 201, 168, 0.4);
}

.page-news .upd-hero .breadcrumb__list a:hover {
  color: var(--gold-light);
}

.page-news .upd-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(28px, 4vw, 52px);
  align-items: start;
  margin-top: clamp(18px, 3vw, 32px);
}

.page-news .upd-hero__lead .eyebrow {
  color: var(--gold-light);
}

.page-news .upd-hero h1 {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2rem, 7.4vw, 4.2rem);
  line-height: 1.16;
  letter-spacing: -0.01em;
  color: var(--paper-3);
}

.page-news .upd-hero h1 em.upd-ul {
  font-style: normal;
  box-shadow: inset 0 -0.3em 0 rgba(201, 169, 106, 0.5);
  padding-bottom: 0.02em;
}

.page-news .upd-hero .lead {
  margin: clamp(16px, 2.4vw, 24px) 0 0;
  max-width: 56ch;
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.85;
  color: rgba(244, 239, 230, 0.82);
}

.page-news .upd-hero__stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin: clamp(24px, 3.6vw, 36px) 0 0;
  padding: clamp(16px, 2.4vw, 22px) 0 0;
  list-style: none;
  border-top: 1px solid rgba(216, 201, 168, 0.35);
}

.page-news .upd-stat {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 0;
}

.page-news .upd-stat__num {
  font-family: var(--font-mono);
  font-size: clamp(1.5rem, 4.4vw, 2.3rem);
  font-weight: 700;
  line-height: 1;
  color: var(--gold);
}

.page-news .upd-stat__label {
  font-size: 12.5px;
  line-height: 1.5;
  color: rgba(244, 239, 230, 0.68);
}

.page-news .upd-hero__jump {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  margin-top: clamp(22px, 3vw, 32px);
}

.page-news .upd-hero__jump a {
  display: inline-block;
  padding: 8px 15px;
  border: 1px solid rgba(216, 201, 168, 0.45);
  border-radius: 999px;
  font-size: 13.5px;
  color: rgba(244, 239, 230, 0.9);
  text-decoration: none;
  transition: background 0.2s var(--ease), border-color 0.2s var(--ease), color 0.2s var(--ease);
}

.page-news .upd-hero__jump a:hover,
.page-news .upd-hero__jump a:focus-visible {
  background: var(--gold);
  border-color: var(--gold);
  color: var(--ink-900);
}

.page-news .upd-hero__figure {
  transform: rotate(-1.4deg);
}

.page-news .upd-hero__figure img {
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  display: block;
  border-radius: var(--radius-m);
}

.page-news .upd-cap {
  margin-top: 10px;
  font-size: 12.5px;
  line-height: 1.6;
  color: rgba(244, 239, 230, 0.6);
}

/* ---------- 通用章节头 ---------- */
.page-news .upd-head {
  max-width: 68ch;
  margin-bottom: clamp(22px, 3vw, 34px);
}

.page-news .upd-head h2 {
  margin: 10px 0 12px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.5rem, 4vw, 2.4rem);
  line-height: 1.28;
}

.page-news .upd-head .prose {
  margin: 0;
  color: var(--muted);
  line-height: 1.85;
}

/* ---------- 最近更新 ---------- */
.page-news .upd-recent {
  padding-top: clamp(44px, 7vw, 80px);
  padding-bottom: clamp(44px, 7vw, 80px);
}

.page-news .upd-board {
  display: grid;
  gap: clamp(26px, 4vw, 44px);
}

.page-news .upd-board__main {
  min-width: 0;
}

/* 筛选条 */
.page-news .filter-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: clamp(20px, 3vw, 28px);
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  background: var(--paper-3);
}

.page-news .filter-btn {
  display: inline-flex;
  align-items: center;
  padding: 7px 15px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: transparent;
  font-family: var(--font-body);
  font-size: 13.5px;
  line-height: 1.2;
  color: var(--text);
  cursor: pointer;
  transition: background 0.2s var(--ease), border-color 0.2s var(--ease), color 0.2s var(--ease);
}

.page-news .filter-btn:hover {
  background: var(--paper-2);
  border-color: var(--gold);
}

.page-news .filter-btn[aria-pressed="true"] {
  border-color: var(--coral);
  background: var(--paper-3);
  font-weight: 700;
  color: var(--ink-900);
}

.page-news .filter-btn[aria-pressed="true"]::before {
  content: "";
  width: 7px;
  height: 7px;
  margin-right: 7px;
  border-radius: 50%;
  background: var(--coral);
}

.page-news .filter-status {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--muted);
}

/* 时间轴 */
.page-news .upd-timeline {
  position: relative;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .upd-timeline::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 10px;
  bottom: 10px;
  border-left: 1px dashed rgba(201, 169, 106, 0.75);
}

.page-news .upd-item {
  position: relative;
  padding-left: 30px;
  margin-bottom: 18px;
}

.page-news .upd-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 22px;
  width: 15px;
  height: 15px;
  border: 2px solid var(--gold);
  border-radius: 50%;
  background: var(--paper);
}

.page-news .upd-item__time {
  display: block;
  margin-bottom: 7px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--ink-700);
}

.page-news .upd-item__card {
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--gold);
  border-radius: var(--radius-s);
  background: var(--paper-3);
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease);
}

.page-news .upd-item__card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 24px -18px rgba(15, 46, 40, 0.6);
}

.page-news .upd-item__card h3 {
  margin: 9px 0 6px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.02rem;
  line-height: 1.5;
  color: var(--ink-900);
}

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

.page-news .upd-item__card .tag {
  font-size: 12px;
}

.page-news [data-filter-item].is-hidden,
.page-news [data-filter-item][hidden] {
  display: none;
}

/* 侧栏 */
.page-news .upd-board__aside {
  display: grid;
  gap: 18px;
  align-content: start;
  min-width: 0;
}

.page-news .upd-board__aside img {
  width: 100%;
  height: auto;
  max-width: 100%;
  display: block;
  object-fit: cover;
  border-radius: var(--radius-m);
}

.page-news .upd-aside-card {
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  background: var(--paper-2);
}

.page-news .upd-aside-card h3 {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1rem;
  color: var(--ink-900);
}

.page-news .upd-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .upd-list li {
  padding: 10px 0;
  border-top: 1px solid var(--line);
  font-size: 14px;
  line-height: 1.75;
  color: var(--text);
}

.page-news .upd-list li:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-news .upd-list strong {
  display: block;
  margin-bottom: 2px;
  color: var(--ink-700);
  font-size: 13px;
  letter-spacing: 0.02em;
}

.page-news .upd-aside-note {
  padding: 16px 18px;
  border-left: 3px solid var(--coral);
  background: var(--paper-3);
}

.page-news .upd-aside-note p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
}

.page-news .upd-aside-note a {
  color: var(--ink-700);
  text-decoration: underline;
  text-decoration-color: var(--gold);
  text-underline-offset: 3px;
}

/* ---------- 第三步 ---------- */
.page-news .upd-step {
  padding-top: clamp(44px, 7vw, 84px);
  padding-bottom: clamp(44px, 7vw, 84px);
  background:
    radial-gradient(90% 70% at 12% 0%, rgba(31, 92, 77, 0.85), transparent 60%),
    linear-gradient(150deg, var(--ink-900) 0%, var(--ink-800) 70%, var(--ink-700) 100%);
  color: var(--paper);
}

.page-news .upd-step__grid {
  display: grid;
  gap: clamp(26px, 4vw, 48px);
  align-items: start;
}

.page-news .upd-step .eyebrow {
  color: var(--gold-light);
}

.page-news .upd-step h2 {
  margin: 10px 0 14px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.5rem, 4vw, 2.3rem);
  line-height: 1.3;
  color: var(--paper-3);
}

.page-news .upd-step .prose {
  margin: 0 0 22px;
  max-width: 58ch;
  font-size: 15.5px;
  line-height: 1.85;
  color: rgba(244, 239, 230, 0.82);
}

.page-news .upd-check {
  margin: 0 0 24px;
  padding: 0;
  list-style: none;
  counter-reset: none;
}

.page-news .upd-check li {
  position: relative;
  padding: 14px 0 14px 0;
  border-top: 1px solid rgba(216, 201, 168, 0.28);
  font-size: 14.5px;
  line-height: 1.85;
  color: rgba(244, 239, 230, 0.78);
}

.page-news .upd-check li:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-news .upd-check__k {
  display: block;
  margin-bottom: 4px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 15px;
  color: var(--gold);
}

.page-news .upd-step .doc-snippet {
  margin: 0 0 20px;
  border-radius: var(--radius-s);
}

.page-news .upd-step__more {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: rgba(244, 239, 230, 0.7);
}

.page-news .upd-step__more a {
  color: var(--gold-light);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-news .upd-step__figure img {
  width: 100%;
  height: auto;
  max-width: 100%;
  display: block;
  object-fit: cover;
  border-radius: var(--radius-m);
  border: 1px solid rgba(216, 201, 168, 0.35);
}

.page-news .upd-step__figure .upd-cap {
  color: rgba(244, 239, 230, 0.6);
}

/* ---------- 旧记录 ---------- */
.page-news .upd-archive {
  padding-top: clamp(44px, 7vw, 84px);
  padding-bottom: clamp(44px, 7vw, 84px);
}

.page-news .upd-archive__grid {
  display: grid;
  gap: clamp(26px, 4vw, 48px);
  align-items: start;
}

.page-news .upd-archive h2 {
  margin: 10px 0 14px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.5rem, 4vw, 2.3rem);
  line-height: 1.3;
}

.page-news .upd-archive .prose {
  margin: 0 0 22px;
  max-width: 58ch;
  color: var(--muted);
  line-height: 1.85;
}

.page-news .upd-years {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .upd-years li {
  display: grid;
  gap: 4px;
  padding: 16px 0;
  border-top: 1px solid var(--line);
}

.page-news .upd-years li:last-child {
  border-bottom: 1px solid var(--line);
}

.page-news .upd-years__y {
  font-family: var(--font-mono);
  font-size: clamp(1.4rem, 3.6vw, 1.9rem);
  font-weight: 700;
  line-height: 1;
  color: var(--ink-700);
  letter-spacing: 0.02em;
}

.page-news .upd-years__d {
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
}

.page-news .upd-archive__figure img {
  width: 100%;
  height: auto;
  max-width: 100%;
  display: block;
  object-fit: cover;
  border-radius: var(--radius-m);
  border: 1px solid var(--line);
}

.page-news .upd-archive .upd-cap {
  color: var(--muted);
}

/* ---------- 更新节奏 ---------- */
.page-news .upd-rhythm {
  padding-top: clamp(44px, 7vw, 84px);
  padding-bottom: clamp(44px, 7vw, 84px);
  background: var(--paper-2);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

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

.page-news .upd-rhythm__item {
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
}

.page-news .upd-rhythm__n {
  display: inline-block;
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--gold);
}

.page-news .upd-rhythm__item h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1.08rem;
  line-height: 1.45;
  color: var(--ink-900);
}

.page-news .upd-rhythm__item p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--muted);
}

/* ---------- 下一步 ---------- */
.page-news .upd-next {
  padding-top: clamp(40px, 6vw, 72px);
  padding-bottom: clamp(48px, 7vw, 88px);
}

.page-news .upd-next__box {
  display: grid;
  gap: clamp(20px, 3vw, 32px);
  padding: clamp(22px, 4vw, 40px);
  border: 1px solid var(--line);
  border-radius: var(--radius-l);
  background:
    linear-gradient(120deg, rgba(227, 207, 163, 0.35), rgba(244, 239, 230, 0) 65%),
    var(--paper-3);
}

.page-news .upd-next h2 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.35rem, 3.4vw, 1.9rem);
  line-height: 1.35;
  color: var(--ink-900);
}

.page-news .upd-next p {
  margin: 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--muted);
}

.page-news .upd-next__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
}

.page-news .upd-next__minor {
  flex-basis: 100%;
  font-size: 13.5px;
  color: var(--ink-700);
  text-decoration: underline;
  text-decoration-color: var(--gold);
  text-underline-offset: 3px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-news .upd-timeline::before {
    left: 128px;
  }

  .page-news .upd-item {
    display: grid;
    grid-template-columns: 116px minmax(0, 1fr);
    gap: 24px;
    padding-left: 0;
    margin-bottom: 22px;
  }

  .page-news .upd-item::before {
    left: 121px;
    top: 24px;
  }

  .page-news .upd-item__time {
    margin-bottom: 0;
    padding-top: 22px;
    text-align: right;
  }

  .page-news .upd-item:nth-child(3n + 2) .upd-item__card {
    margin-left: 16px;
  }

  .page-news .upd-item:nth-child(3n) .upd-item__card {
    margin-left: 7px;
  }

  .page-news .upd-rhythm__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    border-bottom: 1px solid var(--line);
  }

  .page-news .upd-rhythm__item {
    padding: 24px 22px;
    border-bottom: 0;
    border-left: 1px solid var(--line);
  }

  .page-news .upd-rhythm__item:first-child {
    border-left: 0;
    padding-left: 0;
  }
}

@media (min-width: 960px) {
  .page-news .upd-hero {
    padding-bottom: clamp(56px, 7vw, 96px);
  }

  .page-news .upd-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: clamp(32px, 4vw, 56px);
  }

  .page-news .upd-archive__grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 6fr);
    gap: clamp(32px, 4vw, 56px);
  }

  .page-news .upd-step__grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 6fr);
    gap: clamp(32px, 4vw, 56px);
  }

  .page-news .upd-next__box {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: center;
  }

  .page-news .upd-next__minor {
    flex-basis: auto;
  }
}

@media (min-width: 1080px) {
  .page-news .upd-board {
    grid-template-columns: minmax(0, 1fr) 300px;
    gap: clamp(32px, 3.4vw, 48px);
  }

  .page-news .upd-board__aside {
    position: sticky;
    top: 24px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .upd-hero__figure {
    transform: none;
  }

  .page-news .upd-item__card,
  .page-news .filter-btn,
  .page-news .upd-hero__jump a {
    transition: none;
  }

  .page-news .upd-item__card:hover {
    transform: none;
  }
}
