.page-news {
  --news-pad: clamp(20px, 4vw, 56px);
  --news-edge: clamp(16px, 4vw, 40px);
  padding-bottom: clamp(48px, 9vw, 110px);
  font-family: var(--font-sans);
  font-size: 16.5px;
  line-height: 1.8;
  color: var(--ink);
  overflow-x: clip;
}

/* ---------- 面包屑 ---------- */
.page-news .crumbs {
  display: flex;
  align-items: center;
  gap: 8px;
  padding-top: clamp(16px, 3vw, 32px);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--mist);
}

.page-news .crumbs a {
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .2s ease, border-color .2s ease;
}

.page-news .crumbs a:hover,
.page-news .crumbs a:focus-visible {
  color: var(--cat-clean);
  border-bottom-color: var(--cat-clean);
}

/* ---------- 页首 ---------- */
.page-news .news-masthead {
  position: relative;
  padding-top: clamp(24px, 5vw, 54px);
  padding-bottom: clamp(18px, 3vw, 34px);
}

.page-news .masthead-ticks {
  position: absolute;
  right: 0;
  top: clamp(28px, 5vw, 52px);
  width: clamp(80px, 18vw, 210px);
  height: 1px;
  background: repeating-linear-gradient(to right, var(--line-strong) 0 1px, transparent 1px 12px);
  pointer-events: none;
}

.page-news .news-masthead__kicker {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-news .news-masthead h1 {
  margin: .22em 0 .34em;
  margin-left: -.03em;
  font-size: clamp(36px, 7.4vw, 78px);
  font-weight: 900;
  line-height: 1.02;
  letter-spacing: -.03em;
  color: var(--ink);
}

.page-news .news-masthead__lead {
  margin: 0;
  max-width: 68ch;
  font-size: 16.5px;
  line-height: 1.85;
  color: var(--ink-soft);
}

.page-news .cat-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: clamp(20px, 3vw, 32px);
}

.page-news .cat-nav__link {
  display: inline-flex;
  align-items: center;
  padding: 8px 16px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-pill);
  background: var(--paper-warm);
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .06em;
  color: var(--ink-soft);
  text-decoration: none;
  transition: background .2s ease, color .2s ease, border-color .2s ease, transform .2s ease;
}

.page-news .cat-nav__link:hover,
.page-news .cat-nav__link:focus-visible {
  background: var(--cat-clean);
  border-color: var(--cat-clean);
  color: var(--paper-warm);
  transform: translateY(-1px);
}

/* ---------- 通用小节标题 ---------- */
.page-news .index-strip {
  margin-top: clamp(28px, 5vw, 52px);
}

.page-news .sec-title {
  margin: 10px 0 clamp(16px, 3vw, 28px);
  max-width: 24ch;
  font-size: clamp(22px, 3.3vw, 38px);
  font-weight: 900;
  line-height: 1.22;
  letter-spacing: -.015em;
}

/* ---------- 手记目录列表 ---------- */
.page-news .note-list {
  list-style: none;
  margin: 8px 0 0;
  padding: 0;
  border-left: 1px solid var(--line-strong);
}

.page-news .note-item {
  position: relative;
  padding: 22px 0 24px 22px;
  border-bottom: 1px solid var(--line);
  transition: background .24s ease;
}

.page-news .note-item::before {
  content: "";
  position: absolute;
  left: -1px;
  top: 26px;
  width: 4px;
  height: 32px;
  border-radius: 2px;
  background: var(--cat, var(--mist));
  transition: height .24s ease;
}

.page-news .note-item:hover::before {
  height: 54px;
}

.page-news .note-item--work { --cat: var(--cat-repair); }
.page-news .note-item--care { --cat: var(--cat-clean); }
.page-news .note-item--app  { --cat: var(--cat-house); }
.page-news .note-item--block { --cat: var(--cat-pipe); }

.page-news .note-item__top {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}

.page-news .note-item__no {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--mist);
}

.page-news .note-item__time {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--mist);
}

.page-news .note-item__title {
  margin: 12px 0 0;
  font-size: clamp(18px, 2.3vw, 25px);
  font-weight: 800;
  line-height: 1.42;
  letter-spacing: -.008em;
  transition: color .2s ease;
}

.page-news .note-item:hover .note-item__title {
  color: var(--cat, var(--cat-clean));
}

.page-news .note-item__sum {
  margin: 9px 0 0;
  max-width: 74ch;
  font-size: 15.5px;
  line-height: 1.82;
  color: var(--ink-soft);
}

.page-news .note-list--more {
  margin-top: 18px;
}

/* ---------- 工具特写图 ---------- */
.page-news .note-figure {
  margin: clamp(26px, 4vw, 46px) 0 0;
}

.page-news .note-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  filter: saturate(.94) contrast(1.03);
}

.page-news .note-figure figcaption {
  margin-top: 10px;
  padding-left: 12px;
  border-left: 3px solid var(--cat-repair);
  font-family: var(--font-hand);
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--mist);
}

/* ---------- 查看更多 ---------- */
.page-news .note-archive {
  margin-top: 26px;
}

.page-news .note-archive > summary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 24px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-pill);
  background: var(--paper-warm);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .07em;
  color: var(--ink);
  cursor: pointer;
  list-style: none;
  transition: background .2s ease, color .2s ease, border-color .2s ease;
}

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

.page-news .note-archive > summary::before {
  content: "＋";
  font-size: 15px;
  color: var(--cat-clean);
}

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

.page-news .note-archive > summary:hover,
.page-news .note-archive > summary:focus-visible {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--paper-warm);
}

/* ---------- 季节专题 ---------- */
.page-news .season-block {
  margin-top: clamp(48px, 8vw, 104px);
}

.page-news .news-banner {
  position: relative;
  margin: 0;
}

.page-news .news-banner img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 16 / 7;
  object-fit: cover;
  filter: saturate(.9) contrast(1.04);
}

.page-news .news-banner__cap {
  position: relative;
  margin: -44px var(--news-edge) 0;
  max-width: 700px;
  padding: clamp(18px, 3vw, 30px) clamp(18px, 3vw, 32px);
  background: var(--paper-warm);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-panel);
}

.page-news .news-banner__kicker {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--cat-clean);
}

.page-news .news-banner__cap h2 {
  margin: 10px 0 0;
  font-size: clamp(21px, 3.4vw, 36px);
  font-weight: 900;
  line-height: 1.24;
  letter-spacing: -.015em;
}

.page-news .season-lede {
  margin: clamp(28px, 5vw, 48px) 0 0;
  max-width: 66ch;
  font-size: 16px;
  line-height: 1.85;
  color: var(--ink-soft);
}

.page-news .season-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-top: clamp(18px, 3vw, 30px);
}

.page-news .season-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 20px 18px 24px;
  background: var(--paper-warm);
  border: 1px solid var(--line);
  border-top: 4px solid var(--accent, var(--mist));
  box-shadow: var(--shadow-panel);
}

.page-news .season-card--clean  { --accent: var(--cat-clean); }
.page-news .season-card--repair { --accent: var(--cat-repair); }
.page-news .season-card--house  { --accent: var(--cat-house); }
.page-news .season-card--pipe   { --accent: var(--cat-pipe); }

.page-news .season-card__stage {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--mist);
}

.page-news .season-card__name {
  margin: 0;
  font-size: 20px;
  font-weight: 900;
  letter-spacing: -.01em;
}

.page-news .season-card__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 9px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink-soft);
}

.page-news .season-card__list li {
  position: relative;
  padding-left: 18px;
}

.page-news .season-card__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .68em;
  width: 8px;
  height: 2px;
  background: var(--accent, var(--mist));
}

/* ---------- 客户端更新 ---------- */
.page-news .client-block {
  margin-top: clamp(48px, 8vw, 104px);
  padding: clamp(40px, 7vw, 88px) 0;
  background: var(--ink);
  color: var(--paper-warm);
}

.page-news .client-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 5vw, 56px);
}

.page-news .client-copy__kicker {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--warn-1);
}

.page-news .client-copy h2 {
  margin: 12px 0 0;
  font-size: clamp(22px, 3.4vw, 36px);
  font-weight: 900;
  line-height: 1.24;
  letter-spacing: -.015em;
  color: var(--paper-warm);
}

.page-news .client-copy__lead {
  margin: 16px 0 0;
  max-width: 62ch;
  font-size: 15.5px;
  line-height: 1.85;
  color: rgba(250, 246, 239, .78);
}

.page-news .tenure {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 3px;
}

.page-news .tenure__seg {
  padding: 12px 6px 14px;
  border-top: 3px solid var(--seg, var(--mist));
  background: rgba(250, 246, 239, .08);
  font-family: var(--font-mono);
  font-size: 12.5px;
  text-align: center;
  color: rgba(250, 246, 239, .9);
}

.page-news .tenure__seg--a { --seg: var(--mist); }
.page-news .tenure__seg--b { --seg: var(--cat-clean); }
.page-news .tenure__seg--c { --seg: var(--cat-repair); }
.page-news .tenure__seg--d { --seg: var(--cat-house); }
.page-news .tenure__seg--e { --seg: var(--cat-pipe); }

.page-news .client-changes {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
  font-size: 15px;
  line-height: 1.75;
  color: rgba(250, 246, 239, .82);
}

.page-news .client-changes li {
  position: relative;
  padding-left: 20px;
}

.page-news .client-changes li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .7em;
  width: 10px;
  height: 2px;
  background: var(--warn-1);
}

.page-news .client-copy__note {
  margin: 22px 0 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(250, 246, 239, .68);
}

.page-news .client-copy__note a {
  color: var(--warn-1);
  text-decoration: none;
  border-bottom: 1px solid rgba(240, 194, 41, .5);
}

.page-news .client-copy__note a:hover,
.page-news .client-copy__note a:focus-visible {
  border-bottom-color: var(--warn-1);
}

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

.page-news .client-figure img {
  display: block;
  width: 100%;
  max-width: 340px;
  height: auto;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  border: 1px solid rgba(250, 246, 239, .22);
}

.page-news .client-figure figcaption {
  margin-top: 12px;
  max-width: 340px;
  font-family: var(--font-hand);
  font-size: 14px;
  line-height: 1.7;
  color: rgba(250, 246, 239, .6);
}

/* ---------- 街区动态 ---------- */
.page-news .street-block {
  margin-top: clamp(48px, 8vw, 104px);
}

.page-news .street-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 4vw, 48px);
  align-items: center;
}

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

.page-news .street-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  clip-path: polygon(0 0, 100% 0, 100% 92%, 0 100%);
  filter: saturate(.92) contrast(1.03);
}

.page-news .street-figure figcaption {
  margin-top: 12px;
  padding-left: 12px;
  border-left: 3px solid var(--cat-pipe);
  font-family: var(--font-hand);
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--mist);
}

.page-news .street-copy h2 {
  margin: 10px 0 0;
  font-size: clamp(22px, 3.3vw, 36px);
  font-weight: 900;
  line-height: 1.24;
  letter-spacing: -.015em;
}

.page-news .street-copy > p {
  margin: 16px 0 0;
  max-width: 60ch;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--ink-soft);
}

.page-news .street-steps {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
  border-left: 3px solid var(--cat-pipe);
  padding-left: 18px;
}

.page-news .street-steps li {
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink-soft);
}

.page-news .street-steps__no {
  display: block;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .16em;
  color: var(--cat-pipe);
  margin-bottom: 2px;
}

.page-news .street-copy__tail {
  font-size: 14.5px;
  color: var(--mist);
}

/* ---------- 专题系列 ---------- */
.page-news .series-block {
  margin-top: clamp(48px, 8vw, 104px);
}

.page-news .series-list {
  display: grid;
  gap: 12px;
}

.page-news .series {
  background: var(--paper-warm);
  border: 1px solid var(--line);
  border-left: 4px solid var(--accent, var(--cat-clean));
  box-shadow: var(--shadow-panel);
}

.page-news .series--clean { --accent: var(--cat-clean); }
.page-news .series--pipe  { --accent: var(--cat-pipe); }
.page-news .series--house { --accent: var(--cat-house); }

.page-news .series__head {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 18px;
  cursor: pointer;
  list-style: none;
}

.page-news .series__head::-webkit-details-marker { display: none; }

.page-news .series__head::after {
  content: "＋";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 17px;
  color: var(--accent, var(--mist));
}

.page-news .series[open] .series__head::after {
  content: "－";
}

.page-news .series__no {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--mist);
}

.page-news .series__name {
  font-size: clamp(16px, 2vw, 19px);
  font-weight: 800;
  letter-spacing: -.005em;
}

.page-news .series__hint {
  margin-left: 4px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--mist);
}

.page-news .series__posts {
  list-style: none;
  margin: 0;
  padding: 0 18px 20px 40px;
  display: grid;
  gap: 8px;
  border-top: 1px dashed var(--line-strong);
  padding-top: 16px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink-soft);
}

.page-news .series__posts li {
  position: relative;
}

.page-news .series__posts li::before {
  content: "";
  position: absolute;
  left: -16px;
  top: .72em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent, var(--mist));
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-news .tenure {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }

  .page-news .season-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-news .note-item {
    padding-left: 36px;
  }

  .page-news .note-figure {
    margin-left: clamp(80px, 18vw, 280px);
    max-width: 460px;
  }

  .page-news .client-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
    align-items: start;
  }

  .page-news .client-figure {
    justify-self: end;
  }

  .page-news .street-grid {
    grid-template-columns: 6fr 5fr;
  }
}

@media (min-width: 1080px) {
  .page-news .season-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (max-width: 560px) {
  .page-news .news-banner img {
    aspect-ratio: 4 / 3;
  }

  .page-news .news-banner__cap {
    margin-top: -18px;
  }

  .page-news .note-item__time {
    margin-left: 0;
  }

  .page-news .series__posts {
    padding-left: 30px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .note-item,
  .page-news .note-item::before,
  .page-news .cat-nav__link,
  .page-news .note-item__title {
    transition: none;
  }
}