/* ===== 行业观察 / 页面专属样式 ===== */
.page-news {
  --nv-policy: #8A6410;
  --nv-body: #453B34;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-sans);
  overflow-x: clip;
}

.page-news h1,
.page-news h2,
.page-news h3 {
  font-family: var(--font-serif);
  font-weight: 900;
  letter-spacing: -0.01em;
  margin: 0;
}

/* ---------- 首屏 ---------- */
.page-news .nv-open {
  padding: 28px 0 42px;
  border-bottom: 1px solid var(--rule);
}

.page-news .nv-open .breadcrumb {
  margin-bottom: 26px;
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--tea);
}

.page-news .nv-open .breadcrumb a {
  color: var(--tea);
  text-decoration: none;
}

.page-news .nv-open .breadcrumb a:hover {
  color: var(--clay);
}

.page-news .nv-open__grid {
  display: grid;
  gap: 32px;
}

.page-news .nv-open h1 {
  font-size: clamp(1.95rem, 6.2vw, 4.1rem);
  line-height: 1.08;
  margin: 12px 0 18px;
  max-width: 17ch;
}

.page-news .nv-open .lead {
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.9;
  color: var(--nv-body);
  max-width: 54ch;
  margin: 0;
}

.page-news .nv-open__aside {
  border-left: 3px solid var(--clay);
  padding: 2px 0 2px 20px;
}

.page-news .nv-open__aside-title {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--tea);
  margin: 0 0 14px;
}

.page-news .nv-open__keys {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-news .nv-open__keys li {
  display: flex;
  align-items: baseline;
  gap: 12px;
  font-size: 15px;
  line-height: 1.6;
  padding: 10px 0;
  border-bottom: 1px solid var(--rule);
}

.page-news .nv-open__keys li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-news .nv-open__keys span {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  color: var(--clay);
  flex: 0 0 auto;
}

@media (min-width: 960px) {
  .page-news .nv-open {
    padding: 34px 0 56px;
  }
  .page-news .nv-open__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: 60px;
    align-items: end;
  }
  .page-news .nv-open__aside {
    padding-left: 26px;
  }
}

/* ---------- 本期头条 ---------- */
.page-news .nv-headline {
  padding: 44px 0 52px;
  background: linear-gradient(180deg, var(--sand) 0%, var(--paper) 78%);
}

.page-news .nv-headline__grid {
  display: grid;
  gap: 30px;
}

.page-news .nv-headline h2 {
  font-size: clamp(1.55rem, 4.1vw, 2.55rem);
  line-height: 1.16;
  margin: 12px 0 20px;
  max-width: 20ch;
}

.page-news .nv-headline__text > p {
  font-size: 15px;
  line-height: 1.9;
  color: var(--nv-body);
  margin: 0 0 16px;
  max-width: 52ch;
}

.page-news .nv-actions {
  list-style: none;
  margin: 26px 0 30px;
  padding: 0;
  border-top: 1px solid var(--rule-strong);
}

.page-news .nv-actions li {
  position: relative;
  padding: 12px 0 12px 30px;
  border-bottom: 1px solid var(--rule);
  font-size: 15px;
  line-height: 1.7;
}

.page-news .nv-actions li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 21px;
  width: 14px;
  height: 1px;
  background: var(--clay);
  box-shadow: 0 5px 0 var(--clay);
}

.page-news .nv-headline__media {
  margin: 0;
}

.page-news .nv-headline__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 8 / 5;
  object-fit: cover;
  border: 1px solid var(--rule-strong);
}

@media (min-width: 960px) {
  .page-news .nv-headline {
    padding: 56px 0 68px;
  }
  .page-news .nv-headline__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
    gap: 56px;
    align-items: start;
  }
}

@media (min-width: 1360px) {
  .page-news .nv-headline__media {
    margin-right: calc((100vw - var(--wrap)) / -2 - var(--gutter));
  }
}

/* ---------- 四个固定栏目 ---------- */
.page-news .nv-columns {
  padding: 48px 0;
  background: var(--pit);
  color: var(--paper);
}

.page-news .nv-columns__head {
  margin-bottom: 30px;
}

.page-news .nv-columns .eyebrow {
  color: var(--pale-gold);
}

.page-news .nv-columns .eyebrow__num {
  color: var(--gold);
}

.page-news .nv-columns h2 {
  color: var(--paper);
  font-size: clamp(1.35rem, 3.4vw, 2.15rem);
  line-height: 1.2;
  margin-top: 12px;
}

.page-news .nv-columns__list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--rule-dark);
}

.page-news .nv-columns__list > li {
  display: grid;
  grid-template-columns: 58px minmax(0, 1fr);
  gap: 4px 18px;
  padding: 22px 0;
  border-bottom: 1px solid var(--rule-dark);
}

.page-news .nv-columns__num {
  grid-row: 1 / span 3;
  align-self: start;
  font-family: var(--font-serif);
  font-size: 1.9rem;
  font-weight: 900;
  line-height: 1;
  color: var(--gold);
}

.page-news .nv-columns__name {
  font-size: 1.12rem;
  font-weight: 700;
  line-height: 1.4;
  color: var(--paper);
}

.page-news .nv-columns__desc {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--pale-gold);
}

.page-news .nv-columns__cad {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--clay-soft);
}

@media (min-width: 900px) {
  .page-news .nv-columns {
    padding: 62px 0;
  }
  .page-news .nv-columns__list > li {
    grid-template-columns: 84px 200px minmax(0, 1fr) 150px;
    align-items: baseline;
    gap: 0 24px;
    padding: 24px 0;
  }
  .page-news .nv-columns__num {
    grid-row: auto;
    grid-column: 1;
    align-self: baseline;
  }
  .page-news .nv-columns__name {
    grid-column: 2;
  }
  .page-news .nv-columns__desc {
    grid-column: 3;
  }
  .page-news .nv-columns__cad {
    grid-column: 4;
    text-align: right;
  }
}

/* ---------- 更新列表 ---------- */
.page-news .nv-feed {
  padding: 48px 0 56px;
  background: var(--paper);
}

.page-news .nv-feed__head {
  margin-bottom: 22px;
}

.page-news .nv-feed h2 {
  font-size: clamp(1.35rem, 3.4vw, 2.15rem);
  line-height: 1.2;
  margin-top: 12px;
}

.page-news .nv-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 24px 0 6px;
}

.page-news .nv-tags__link {
  display: inline-block;
  font-size: 13px;
  line-height: 1.4;
  padding: 6px 13px;
  border: 1px solid var(--rule-strong);
  color: var(--ink);
  text-decoration: none;
  transition: background 0.2s var(--ease), border-color 0.2s var(--ease), color 0.2s var(--ease);
}

.page-news .nv-tags__link:hover {
  background: var(--clay);
  border-color: var(--clay);
  color: var(--paper);
}

.page-news .nv-feed__list {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  border-top: 1px solid var(--rule-strong);
}

.page-news .nv-item {
  position: relative;
  display: grid;
  gap: 8px;
  padding: 22px 0 22px 18px;
  border-bottom: 1px solid var(--rule);
  transition: transform 0.25s var(--ease);
}

.page-news .nv-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 22px;
  bottom: 22px;
  width: 3px;
  background: var(--clay);
  transform: scaleY(0);
  transform-origin: top;
  transition: transform 0.3s var(--ease);
}

.page-news .nv-item:hover {
  transform: translateX(5px);
}

.page-news .nv-item:hover::before {
  transform: scaleY(1);
}

.page-news .nv-item__meta {
  display: flex;
  align-items: center;
  gap: 12px;
}

.page-news .nv-item__when {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--tea);
  white-space: nowrap;
}

.page-news .nv-item__body h3 {
  font-size: 1.06rem;
  font-weight: 700;
  line-height: 1.5;
  margin: 0 0 6px;
}

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

.page-news .nv-tag {
  display: inline-block;
  font-size: 12px;
  line-height: 1.4;
  letter-spacing: 0.1em;
  padding: 3px 9px;
  border: 1px solid currentColor;
  flex: 0 0 auto;
}

.page-news .nv-tag--origin {
  color: var(--celadon);
}

.page-news .nv-tag--channel {
  color: var(--clay);
}

.page-news .nv-tag--delivery {
  color: var(--tea);
}

.page-news .nv-tag--policy {
  color: var(--nv-policy);
}

.page-news .nv-item__thumb {
  margin: 0;
}

.page-news .nv-item__thumb img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border: 1px solid var(--rule);
}

.page-news .nv-item--delivery .nv-item__thumb img {
  aspect-ratio: 4 / 3;
}

@media (min-width: 880px) {
  .page-news .nv-feed {
    padding: 62px 0 72px;
  }
  .page-news .nv-item {
    padding: 26px 0 26px 22px;
  }
  .page-news .nv-item::before {
    top: 26px;
    bottom: 26px;
  }
  .page-news .nv-item--thumb {
    grid-template-columns: minmax(0, 1fr) 224px;
    grid-template-areas:
      "meta thumb"
      "body thumb";
    column-gap: 36px;
    row-gap: 4px;
    align-items: start;
  }
  .page-news .nv-item--thumb .nv-item__meta {
    grid-area: meta;
  }
  .page-news .nv-item--thumb .nv-item__body {
    grid-area: body;
  }
  .page-news .nv-item--thumb .nv-item__thumb {
    grid-area: thumb;
    grid-row: 1 / span 2;
  }
}

/* ---------- 产地溯源 ---------- */
.page-news .nv-trace {
  padding: 52px 0;
  background: var(--pit);
  color: var(--paper);
}

.page-news .nv-trace__grid {
  display: grid;
  gap: 32px;
}

.page-news .nv-trace__media {
  margin: 0;
}

.page-news .nv-trace__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 14 / 9;
  object-fit: cover;
}

.page-news .nv-trace__eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--gold);
  margin: 0 0 14px;
}

.page-news .nv-trace h2 {
  color: var(--paper);
  font-size: clamp(1.35rem, 3.6vw, 2.35rem);
  line-height: 1.2;
  margin: 0 0 18px;
  max-width: 18ch;
}

.page-news .nv-trace__text > p {
  font-size: 15px;
  line-height: 1.9;
  color: var(--pale-gold);
  margin: 0 0 22px;
  max-width: 52ch;
}

.page-news .nv-trace__facts {
  margin: 0 0 26px;
  border-top: 1px solid var(--rule-dark);
}

.page-news .nv-trace__facts > div {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 16px;
  padding: 11px 0;
  border-bottom: 1px solid var(--rule-dark);
}

.page-news .nv-trace__facts dt {
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--clay-soft);
}

.page-news .nv-trace__facts dd {
  margin: 0;
  font-family: var(--font-serif);
  font-size: 1rem;
  font-weight: 700;
  color: var(--paper);
  text-align: right;
}

.page-news .nv-trace .btn {
  background: var(--clay);
  border-color: var(--clay);
  color: var(--paper);
}

.page-news .nv-trace .btn:hover {
  background: var(--clay-soft);
  border-color: var(--clay-soft);
  color: var(--pit);
}

@media (min-width: 960px) {
  .page-news .nv-trace {
    padding: 70px 0;
  }
  .page-news .nv-trace__grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
    gap: 60px;
    align-items: center;
  }
}

/* ---------- 下一期选题 ---------- */
.page-news .nv-ask {
  padding: 48px 0 64px;
  background: var(--paper);
}

.page-news .nv-ask__box {
  position: relative;
  padding: 30px 22px;
  background: var(--sand);
  border-left: 6px solid var(--clay);
}

.page-news .nv-ask h2 {
  font-size: clamp(1.3rem, 3.2vw, 1.95rem);
  line-height: 1.22;
  margin: 12px 0 16px;
  max-width: 21ch;
}

.page-news .nv-ask p {
  font-size: 15px;
  line-height: 1.85;
  margin: 0 0 14px;
  max-width: 62ch;
  color: var(--nv-body);
}

.page-news .nv-ask__hint {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.02em;
  color: var(--tea);
}

.page-news .nv-ask__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

@media (min-width: 880px) {
  .page-news .nv-ask {
    padding: 62px 0 84px;
  }
  .page-news .nv-ask__box {
    padding: 46px 56px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .nv-item,
  .page-news .nv-item::before,
  .page-news .nv-tags__link {
    transition: none;
  }
  .page-news .nv-item:hover {
    transform: none;
  }
}
</main>