.page-news {
  --news-rule: rgba(107, 143, 176, 0.28);
  --news-rule-hi: rgba(107, 143, 176, 0.62);
  --news-rail: 22px;
  --news-card: var(--c-night);
  color: var(--c-foam);
}

/* ---------- 面包屑 ---------- */
.page-news .news-crumb {
  padding-top: 22px;
}

/* ---------- 页头 ---------- */
.page-news .news-masthead {
  padding-top: clamp(26px, 4vw, 48px);
  padding-bottom: clamp(32px, 5vw, 56px);
  border-bottom: 1px solid var(--news-rule);
}

.page-news .news-masthead__title {
  margin: 16px 0 0;
  font-family: var(--f-sans);
  font-weight: 900;
  font-size: clamp(2rem, 7.2vw, 4.4rem);
  line-height: 1.06;
  letter-spacing: -0.02em;
  color: var(--c-white);
}

.page-news .news-masthead__accent {
  color: var(--c-cyan);
}

.page-news .news-masthead__lead {
  max-width: 60ch;
  margin: 22px 0 0;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.78;
  color: var(--c-foam);
}

.page-news .news-masthead__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin: 32px 0 0;
  border-top: 1px solid var(--news-rule);
}

.page-news .news-stat {
  padding: 16px 14px 16px 0;
  border-bottom: 1px solid var(--news-rule);
}

.page-news .news-stat__label {
  margin: 0;
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--c-steel);
  text-transform: uppercase;
}

.page-news .news-stat__value {
  margin: 8px 0 0;
  font-family: var(--f-mono);
  font-weight: 700;
  font-size: clamp(20px, 2.6vw, 28px);
  letter-spacing: -0.01em;
  font-variant-numeric: tabular-nums;
  color: var(--c-cyan);
}

/* ---------- 标签 ---------- */
.page-news .news-tag {
  display: inline-block;
  padding: 2px 8px;
  font-family: var(--f-mono);
  font-size: 11px;
  line-height: 1.6;
  letter-spacing: 0.12em;
  border: 1px solid currentColor;
  white-space: nowrap;
}

.page-news .news-tag--version { color: var(--c-cyan); }
.page-news .news-tag--topic { color: var(--c-sand); }
.page-news .news-tag--method { color: var(--c-cyan-soft); }
.page-news .news-tag--case { color: var(--c-foam); }

/* ---------- 本期头条 ---------- */
.page-news .news-lead {
  padding-top: clamp(34px, 5vw, 60px);
}

.page-news .news-lead__grid {
  display: grid;
  gap: clamp(22px, 3vw, 38px);
}

.page-news .news-lead__media {
  box-shadow: var(--hard);
  border: 2px solid var(--c-abyss);
}

.page-news .news-lead__title {
  margin: 14px 0 0;
  font-size: clamp(1.35rem, 3.4vw, 2.1rem);
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--c-white);
}

.page-news .news-lead__text {
  margin: 16px 0 0;
  font-size: 16px;
  line-height: 1.78;
  color: var(--c-foam);
}

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

/* ---------- 分类筛选条 ---------- */
.page-news .news-filter {
  margin-top: clamp(34px, 5vw, 56px);
  border-top: 1px solid var(--news-rule);
  border-bottom: 1px solid var(--news-rule);
  background: rgba(22, 48, 79, 0.5);
}

.page-news .news-filter__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 16px;
  padding-top: 14px;
  padding-bottom: 14px;
}

.page-news .news-filter__label {
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--c-steel);
}

.page-news .news-filter__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .news-chip {
  display: inline-block;
  padding: 6px 14px;
  font-size: 14px;
  line-height: 1.4;
  color: var(--c-foam);
  text-decoration: none;
  border: 1px solid var(--news-rule-hi);
  transition: border-color 0.2s ease, color 0.2s ease, background-color 0.2s ease;
}

.page-news .news-chip:hover,
.page-news .news-chip:focus-visible {
  color: var(--c-deep);
  background: var(--c-cyan);
  border-color: var(--c-cyan);
}

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

/* ---------- 区块通用 ---------- */
.page-news .news-block {
  padding-top: clamp(40px, 6vw, 72px);
}

.page-news .news-block--alt {
  background: rgba(4, 9, 15, 0.28);
  border-top: 1px solid var(--news-rule);
  border-bottom: 1px solid var(--news-rule);
  padding-bottom: clamp(36px, 5vw, 64px);
}

.page-news .news-block__head {
  margin-bottom: clamp(20px, 3vw, 32px);
  padding-bottom: 16px;
  border-bottom: 1px solid var(--news-rule-hi);
}

.page-news .news-block__figure {
  margin-top: clamp(24px, 3vw, 36px);
  border: 2px solid var(--c-abyss);
  box-shadow: var(--hard-sm);
}

.page-news .news-block__more {
  margin: 26px 0 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--c-foam);
}

.page-news .news-block__more a {
  color: var(--c-cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--c-cyan);
}

.page-news .news-block__more a:hover {
  color: var(--c-cyan-soft);
  border-bottom-color: var(--c-cyan-soft);
}

/* ---------- 紧凑列表 ---------- */
.page-news .news-list {
  position: relative;
  margin: 0;
  padding: 0 0 0 var(--news-rail);
  list-style: none;
}

.page-news .news-list::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  bottom: 10px;
  width: 1px;
  background: var(--news-rule-hi);
}

.page-news .news-item {
  position: relative;
  padding: 16px 0 18px;
  border-bottom: 1px solid var(--news-rule);
}

.page-news .news-item::before {
  content: "";
  position: absolute;
  left: calc(-1 * var(--news-rail));
  top: 26px;
  width: 11px;
  height: 2px;
  background: var(--c-steel);
  transition: background-color 0.2s ease, width 0.2s ease;
}

.page-news .news-item:hover::before,
.page-news .news-item:focus-within::before {
  width: 16px;
  background: var(--c-cyan);
}

.page-news .news-item__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
}

.page-news .news-item__time {
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--c-steel);
}

.page-news .news-item__title {
  margin: 0;
  font-size: clamp(15.5px, 1.9vw, 18px);
  font-weight: 700;
  line-height: 1.5;
  color: var(--c-white);
  transition: color 0.2s ease;
}

.page-news .news-item:hover .news-item__title {
  color: var(--c-cyan);
}

.page-news .news-item__desc {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--c-steel);
}

/* ---------- 方法区 ---------- */
.page-news .news-method__grid {
  display: grid;
  gap: clamp(22px, 3vw, 36px);
}

.page-news .news-method__figure {
  border: 2px solid var(--c-abyss);
  box-shadow: var(--hard-sm);
}

.page-news .news-list--method {
  --news-rail: 18px;
}

/* ---------- 用户故事 ---------- */
.page-news .news-cases {
  display: grid;
  gap: 18px;
}

.page-news .news-case {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--news-rule-hi);
  background: var(--news-card);
}

.page-news .news-case__media {
  border-bottom: 1px solid var(--c-abyss);
}

.page-news .news-case__body {
  padding: 18px 18px 22px;
}

.page-news .news-case__title {
  margin: 10px 0 0;
  font-size: clamp(16px, 2vw, 19px);
  font-weight: 700;
  line-height: 1.42;
  color: var(--c-white);
}

.page-news .news-case__desc {
  margin: 10px 0 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--c-foam);
}

.page-news .news-case .tick-line {
  margin-top: 14px;
}

/* ---------- 归档 ---------- */
.page-news .news-archive {
  display: grid;
  gap: 22px;
}

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

.page-news .news-archive__item {
  display: grid;
  grid-template-columns: 40px 62px minmax(0, 1fr);
  gap: 10px;
  align-items: baseline;
  padding: 16px 2px;
  border-bottom: 1px solid var(--news-rule);
}

.page-news .news-archive__num {
  font-family: var(--f-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--c-coral);
}

.page-news .news-archive__name {
  font-size: 15px;
  font-weight: 700;
  color: var(--c-white);
}

.page-news .news-archive__desc {
  font-size: 14px;
  line-height: 1.7;
  color: var(--c-steel);
}

.page-news .news-archive__notice {
  padding: 22px 20px 24px;
  border: 2px solid var(--c-abyss);
  border-top: 3px solid var(--c-cyan);
  background: var(--c-night);
  box-shadow: var(--hard-sm);
}

.page-news .news-archive__notice-title {
  margin: 0 0 12px;
  font-size: 18px;
  font-weight: 800;
  color: var(--c-white);
}

.page-news .news-archive__notice p {
  margin: 0 0 12px;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--c-foam);
}

.page-news .news-archive__notice .btn {
  margin-top: 6px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-news .news-masthead__stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
  .page-news .news-stat {
    padding-right: 16px;
    border-right: 1px solid var(--news-rule);
  }
  .page-news .news-stat:last-child {
    border-right: 0;
  }
  .page-news .news-cases {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-news .news-lead__grid {
    grid-template-columns: 7fr 5fr;
    align-items: start;
  }
  .page-news .news-method__grid {
    grid-template-columns: 5fr 7fr;
    align-items: start;
  }
  .page-news .news-archive {
    grid-template-columns: 7fr 5fr;
    align-items: start;
  }
  .page-news .news-case--wide {
    grid-column: span 2;
  }
  .page-news .news-case--wide {
    display: grid;
    grid-template-columns: 7fr 5fr;
  }
  .page-news .news-case--wide .news-case__media {
    border-bottom: 0;
    border-right: 1px solid var(--c-abyss);
    height: 100%;
  }
}

@media (min-width: 1080px) {
  .page-news .news-cases {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
  .page-news .news-case--wide {
    grid-column: span 4;
  }
  .page-news .news-case:not(.news-case--wide) {
    grid-column: span 2;
  }
  .page-news .news-list {
    --news-rail: 26px;
  }
}