/* ============================================================
   更新故事页 · page-news
   档案索引墙：季度标签带 + 错位案例卡 + 纵向更新日志
   ============================================================ */

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

.page-news .page-news-crumb {
  padding-top: 16px;
  padding-bottom: 14px;
}

.page-news .page-news-crumb .breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--stone);
}

.page-news .page-news-crumb .breadcrumb li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--copper);
}

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

.page-news .page-news-crumb .breadcrumb a:hover {
  color: var(--deep);
  border-color: var(--copper);
}

.page-news .page-news-crumb .breadcrumb [aria-current="page"] {
  color: var(--deep);
}

/* ---------- 首屏 ---------- */

.page-news .stories-hero {
  position: relative;
  overflow: hidden;
  background: var(--deep);
  color: var(--cream);
  padding: clamp(30px, 6vw, 72px) 0 clamp(34px, 6vw, 76px);
}

.page-news .stories-hero::before {
  content: "";
  position: absolute;
  right: -14%;
  bottom: -46%;
  width: min(760px, 96vw);
  aspect-ratio: 1 / 1;
  background: linear-gradient(148deg, var(--deep-lift) 12%, rgba(184, 134, 59, .34) 68%, transparent 92%);
  clip-path: polygon(100% 0, 100% 100%, 0 100%);
  opacity: .88;
  pointer-events: none;
}

.page-news .stories-hero::after {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 5px;
  background: linear-gradient(180deg, var(--copper) 0%, var(--signal) 46%, transparent 92%);
  pointer-events: none;
}

.page-news .stories-hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(26px, 4vw, 48px);
}

.page-news .stories-hero h1 {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(32px, 7.4vw, 76px);
  line-height: 1.04;
  letter-spacing: -.005em;
}

.page-news .stories-lede {
  margin: clamp(16px, 2.6vw, 26px) 0 0;
  max-width: 35em;
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.85;
  color: rgba(244, 239, 230, .84);
}

.page-news .stories-hero-links {
  margin: clamp(22px, 3vw, 34px) 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-news .hero-facts {
  margin: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid rgba(244, 239, 230, .22);
}

.page-news .hero-facts > div {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding: 13px 0;
  border-bottom: 1px solid rgba(244, 239, 230, .16);
}

.page-news .hero-facts dt {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: rgba(244, 239, 230, .66);
}

.page-news .hero-facts dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(19px, 2.2vw, 24px);
  font-weight: 600;
  color: var(--copper);
  letter-spacing: .02em;
}

/* ---------- 季度索引带 ---------- */

.page-news .quarter-band {
  background: var(--sand);
  border-bottom: 1px solid var(--line);
  padding: clamp(32px, 5vw, 60px) 0;
}

.page-news .quarter-grid {
  display: grid;
  gap: clamp(22px, 3.4vw, 44px);
}

.page-news .quarter-copy h2,
.page-news .case-head-copy h2,
.page-news .industry-head h2,
.page-news .return-head h2,
.page-news .log-rail h2 {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(25px, 3.6vw, 40px);
  line-height: 1.12;
  letter-spacing: -.004em;
}

.page-news .quarter-copy > p {
  margin: 16px 0 0;
  max-width: 34em;
  font-size: 15.5px;
  line-height: 1.85;
  color: rgba(19, 32, 44, .8);
}

.page-news .quarter-legend {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-news .quarter-legend li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px;
  font-size: 14px;
  line-height: 1.7;
  color: rgba(19, 32, 44, .78);
}

.page-news .quarter-media,
.page-news .case-head-media,
.page-news .industry-media,
.page-news .log-media {
  margin: 0;
}

.page-news .quarter-media img,
.page-news .case-head-media img,
.page-news .industry-media img,
.page-news .log-media img {
  border: 1px solid var(--line);
  border-bottom: 0;
  border-radius: var(--radius);
}

.page-news .media-caption {
  padding-top: 9px;
  font-size: 12.5px;
  line-height: 1.65;
  color: var(--stone);
}

/* ---------- 案例列表 ---------- */

.page-news .case-list {
  background: var(--cream);
  padding: clamp(34px, 5.5vw, 76px) 0;
}

.page-news .case-head {
  display: grid;
  gap: clamp(20px, 3vw, 38px);
  margin-bottom: clamp(24px, 3.6vw, 42px);
}

.page-news .case-intro {
  margin: 16px 0 0;
  max-width: 36em;
  font-size: 15.5px;
  line-height: 1.85;
  color: rgba(19, 32, 44, .8);
}

.page-news .case-filter {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding: 14px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  margin-bottom: clamp(20px, 3vw, 34px);
}

.page-news .case-filter-input {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  border: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.page-news .quarter-pill {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .03em;
  padding: 7px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--stone);
  cursor: pointer;
  user-select: none;
  transition: background .2s var(--ease), color .2s var(--ease), border-color .2s var(--ease);
}

.page-news .quarter-pill:hover {
  border-color: var(--copper);
  color: var(--ink);
}

.page-news .case-filter-input:checked + .quarter-pill {
  background: var(--deep);
  border-color: var(--deep);
  color: var(--cream);
}

.page-news .case-filter-input:focus-visible + .quarter-pill {
  outline: 2px solid var(--signal);
  outline-offset: 2px;
}

.page-news #q-current:checked ~ .case-wall .case-card:not([data-quarter="current"]),
.page-news #q-carry:checked ~ .case-wall .case-card:not([data-quarter="carry"]),
.page-news #q-review:checked ~ .case-wall .case-card:not([data-quarter="review"]) {
  display: none;
}

.page-news .case-wall {
  flex: 1 1 100%;
  display: grid;
  gap: clamp(14px, 2vw, 22px);
  grid-template-columns: minmax(0, 1fr);
  align-items: start;
}

.page-news .case-card {
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: clamp(18px, 2.4vw, 26px) clamp(16px, 2.2vw, 24px) clamp(18px, 2.4vw, 24px) calc(clamp(16px, 2.2vw, 24px) + 10px);
  background: linear-gradient(180deg, rgba(255, 255, 255, .94), rgba(244, 239, 230, .9));
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  transition: transform .28s var(--ease), box-shadow .28s var(--ease), border-color .28s var(--ease);
}

.page-news .case-card::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 7px;
  background: repeating-linear-gradient(180deg, var(--copper) 0 10px, transparent 10px 20px);
  opacity: .45;
  pointer-events: none;
}

.page-news .case-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.page-news .case-card h3 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(18px, 2.2vw, 22px);
  line-height: 1.28;
}

.page-news .case-card > p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(19, 32, 44, .78);
}

.page-news .case-card .fold {
  margin-top: auto;
  padding-top: 10px;
  border-top: 1px dashed var(--line);
}

.page-news .case-card .fold-head {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .04em;
  color: var(--deep);
}

.page-news .case-card .fold-inner ul {
  margin: 0;
  padding-left: 18px;
  display: grid;
  gap: 5px;
  font-size: 13.8px;
  line-height: 1.7;
  color: rgba(19, 32, 44, .78);
}

.page-news .case-card .fold-inner li::marker {
  color: var(--copper);
}

.page-news .case-watermark {
  position: absolute;
  right: 10px;
  bottom: 4px;
  font-size: clamp(26px, 3.4vw, 36px);
  font-weight: 700;
  letter-spacing: .18em;
  color: var(--clay);
  opacity: .13;
  transform: rotate(-8deg);
  pointer-events: none;
  user-select: none;
}

@media (hover: hover) {
  .page-news .case-card:hover {
    transform: translateY(-3px);
    border-color: rgba(184, 134, 59, .55);
    box-shadow: 0 16px 30px -24px rgba(14, 42, 71, .6);
  }
}

/* ---------- 版本更新故事 ---------- */

.page-news .log-band {
  position: relative;
  overflow: hidden;
  background: var(--deep);
  color: var(--cream);
  padding: clamp(38px, 6vw, 84px) 0;
}

.page-news .log-band::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(90deg, rgba(244, 239, 230, .055) 0 1px, transparent 1px 96px);
  pointer-events: none;
}

.page-news .log-grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(26px, 4vw, 56px);
}

.page-news .log-rail > p {
  margin: 14px 0 0;
  max-width: 30em;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(244, 239, 230, .78);
}

.page-news .log-toc {
  margin: 22px 0 0;
  display: grid;
  border-top: 1px solid rgba(244, 239, 230, .18);
}

.page-news .log-toc a {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid rgba(244, 239, 230, .12);
  font-size: 14px;
  color: rgba(244, 239, 230, .84);
  text-decoration: none;
  transition: color .2s var(--ease), padding-left .2s var(--ease);
}

.page-news .log-toc a:hover {
  color: var(--copper);
  padding-left: 6px;
}

.page-news .log-toc .mono {
  min-width: 38px;
  font-size: 11.5px;
  letter-spacing: .08em;
  color: var(--copper);
}

.page-news .log-media {
  margin-top: 24px;
}

.page-news .log-media img {
  border-color: rgba(244, 239, 230, .18);
}

.page-news .log-media .media-caption {
  color: rgba(244, 239, 230, .58);
}

.page-news .log-list {
  list-style: none;
  margin: 0;
  padding: 0 0 0 26px;
  display: grid;
  gap: clamp(20px, 3vw, 34px);
  position: relative;
}

.page-news .log-list::before {
  content: "";
  position: absolute;
  left: 6px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: linear-gradient(180deg, var(--copper) 0%, rgba(184, 134, 59, .1) 100%);
}

.page-news .log-item {
  position: relative;
}

.page-news .log-item::before {
  content: "";
  position: absolute;
  left: -25px;
  top: 10px;
  width: 9px;
  height: 9px;
  background: var(--deep);
  border: 2px solid var(--copper);
  transform: rotate(45deg);
}

.page-news .log-stamp {
  display: inline-block;
  margin-bottom: 10px;
  padding: 3px 10px;
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--signal);
  border: 1px solid rgba(242, 106, 46, .5);
  border-radius: var(--radius);
}

.page-news .log-body h3 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(19px, 2.4vw, 26px);
  line-height: 1.25;
}

.page-news .log-body p {
  margin: 0 0 12px;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(244, 239, 230, .78);
}

.page-news .log-body ul {
  margin: 0;
  padding-left: 18px;
  display: grid;
  gap: 6px;
  font-size: 14px;
  line-height: 1.75;
  color: rgba(244, 239, 230, .82);
}

.page-news .log-body li::marker {
  color: var(--copper);
}

/* ---------- 行业专题 ---------- */

.page-news .industry-band {
  background: var(--mist);
  padding: clamp(34px, 5.5vw, 76px) 0;
}

.page-news .industry-head p:not(.eyebrow) {
  margin: 16px 0 0;
  max-width: 38em;
  font-size: 15.5px;
  line-height: 1.85;
  color: rgba(19, 32, 44, .8);
}

.page-news .industry-grid {
  margin-top: clamp(22px, 3vw, 36px);
  display: grid;
  gap: 12px;
  grid-template-columns: minmax(0, 1fr);
}

.page-news .industry-card {
  padding: 18px 20px 20px;
  background: rgba(244, 239, 230, .74);
  border-left: 4px solid var(--stone);
  border-radius: var(--radius);
}

.page-news .industry-card h3 {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(17px, 2vw, 20px);
  line-height: 1.3;
}

.page-news .industry-card p {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.78;
  color: rgba(19, 32, 44, .76);
}

.page-news .industry-card--clay { border-left-color: var(--clay); }
.page-news .industry-card--copper { border-left-color: var(--copper); }
.page-news .industry-card--deep { border-left-color: var(--deep); }
.page-news .industry-card--moss { border-left-color: var(--moss); }
.page-news .industry-card--signal { border-left-color: var(--signal); }

.page-news .industry-media {
  margin-top: clamp(20px, 3vw, 34px);
}

.page-news .industry-more {
  margin: 16px 0 0;
  padding-left: 14px;
  border-left: 2px solid var(--copper);
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.8;
  color: rgba(19, 32, 44, .72);
}

/* ---------- 回查路径 ---------- */

.page-news .return-band {
  background: var(--cream);
  padding: clamp(34px, 5.5vw, 76px) 0 clamp(40px, 6vw, 88px);
}

.page-news .return-head p:not(.eyebrow) {
  margin: 14px 0 0;
  max-width: 34em;
  font-size: 15.5px;
  line-height: 1.85;
  color: rgba(19, 32, 44, .78);
}

.page-news .return-grid {
  margin-top: clamp(22px, 3vw, 36px);
  display: grid;
  gap: 14px;
  grid-template-columns: minmax(0, 1fr);
}

.page-news .return-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 22px 22px 20px;
  background: rgba(217, 209, 196, .28);
  border: 1px solid var(--line);
  border-top: 3px solid var(--copper);
  border-radius: var(--radius);
  color: inherit;
  text-decoration: none;
  transition: transform .25s var(--ease), background .25s var(--ease), border-top-color .25s var(--ease);
}

.page-news .return-card .mono {
  font-size: 11.5px;
  letter-spacing: .12em;
  color: var(--copper);
}

.page-news .return-card h3 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 20px;
  line-height: 1.28;
}

.page-news .return-card p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: rgba(19, 32, 44, .76);
}

.page-news .return-go {
  margin-top: 4px;
  font-size: 13px;
  font-weight: 600;
  color: var(--signal);
}

@media (hover: hover) {
  .page-news .return-card:hover {
    transform: translateY(-3px);
    background: rgba(217, 209, 196, .5);
    border-top-color: var(--signal);
  }
}

.page-news .return-back {
  margin: 26px 0 0;
}

.page-news .return-back a {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--stone);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  padding-bottom: 2px;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

.page-news .return-back a:hover {
  color: var(--deep);
  border-color: var(--copper);
}

/* ---------- 响应式 ---------- */

@media (min-width: 600px) {
  .page-news .industry-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-news .return-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 680px) {
  .page-news .case-wall {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 860px) {
  .page-news .quarter-grid {
    grid-template-columns: minmax(0, .86fr) minmax(0, 1.14fr);
    align-items: center;
  }
  .page-news .case-head {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
    align-items: center;
  }
}

@media (min-width: 920px) {
  .page-news .stories-hero-inner {
    grid-template-columns: minmax(0, 1.42fr) minmax(0, .78fr);
    align-items: end;
  }
  .page-news .hero-facts {
    padding-bottom: 6px;
  }
}

@media (min-width: 960px) {
  .page-news .log-grid {
    grid-template-columns: minmax(0, .74fr) minmax(0, 1.26fr);
    align-items: start;
  }
  .page-news .industry-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 1080px) {
  .page-news .case-wall {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-news .case-wall .case-card:nth-child(3n + 2) {
    margin-top: 34px;
  }
  .page-news .return-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 480px) {
  .page-news .case-filter {
    gap: 6px;
  }
  .page-news .quarter-pill {
    font-size: 11.5px;
    padding: 6px 10px;
  }
  .page-news .log-list {
    padding-left: 20px;
  }
  .page-news .log-item::before {
    left: -19px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news *,
  .page-news *::before,
  .page-news *::after {
    transition: none !important;
    animation: none !important;
  }
}
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