/* ================= 观察报告 / 页面作用域 ================= */
.page-news {
  --news-card: #FCF9F4;
  --news-line: rgba(36, 64, 95, 0.16);
  --news-axis: var(--steel);
  background: var(--cream);
  color: var(--ink);
}

.page-news .news-shell {
  width: 100%;
  max-width: 1160px;
  margin: 0 auto;
  padding-left: 20px;
  padding-right: 20px;
}

@media (min-width: 900px) {
  .page-news .news-shell {
    padding-left: 34px;
    padding-right: 34px;
  }
}

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

/* ---------- 首屏 ---------- */
.page-news .news-hero {
  padding: 30px 0 0;
}

.page-news .news-hero h1 {
  margin: 10px 0 18px;
  max-width: 15em;
  font-size: clamp(28px, 6.2vw, 52px);
  line-height: 1.16;
  font-weight: 900;
  letter-spacing: -0.02em;
  color: var(--navy);
}

.page-news .news-hero__lead {
  margin: 0 0 30px;
  max-width: 44em;
  font-size: clamp(16px, 2.1vw, 19px);
  line-height: 1.8;
  color: var(--ink-soft);
}

.page-news .news-hero__keys {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 22px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .news-key {
  flex: 1 1 170px;
  min-width: 0;
  padding-top: 12px;
  border-top: 2px solid var(--orange);
}

.page-news .news-key__num {
  display: block;
  margin-bottom: 6px;
  font-size: clamp(26px, 4vw, 34px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--navy);
}

.page-news .news-key__label {
  display: block;
  font-size: 13px;
  line-height: 1.6;
  color: var(--ink-soft);
}

.page-news .news-hero__strip {
  margin: 40px 0 0;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--navy-2);
  border: 1px solid var(--news-line);
}

.page-news .news-hero__strip img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-news .news-strip__ticks {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px 18px;
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
}

.page-news .news-strip__tick {
  position: relative;
  padding-left: 16px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--ink-soft);
}

.page-news .news-strip__tick::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 8px;
  height: 2px;
  background: var(--orange);
}

/* ---------- 公告位置 ---------- */
.page-news .news-where {
  padding: 62px 0;
}

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

.page-news .news-where h2 {
  margin: 8px 0 16px;
  font-size: clamp(23px, 3.5vw, 34px);
  line-height: 1.24;
  font-weight: 800;
  letter-spacing: -0.015em;
  color: var(--navy);
}

.page-news .news-where p {
  margin: 0 0 14px;
  font-size: 16px;
  line-height: 1.85;
  color: var(--ink-soft);
}

.page-news .news-where__cta {
  margin-top: 22px;
}

.page-news .news-jump {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding-bottom: 2px;
  font-size: 15px;
  font-weight: 600;
  color: var(--orange-ink);
  text-decoration: none;
  border-bottom: 2px solid var(--orange-soft);
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-news .news-jump:hover {
  color: var(--orange);
  border-color: var(--orange);
}

.page-news .news-jump:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: 3px;
}

.page-news .news-where__art {
  margin: 0;
  padding: 12px;
  background: var(--paper);
  border-radius: var(--radius);
}

.page-news .news-where__art img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 2px;
  object-fit: cover;
}

.page-news .news-where__cap {
  margin: 10px 2px 0;
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--steel);
}

/* ---------- 通用区块头 ---------- */
.page-news .news-head {
  max-width: 44em;
  margin-bottom: 28px;
}

.page-news .news-head h2 {
  margin: 8px 0 12px;
  font-size: clamp(23px, 3.5vw, 34px);
  line-height: 1.24;
  font-weight: 800;
  letter-spacing: -0.015em;
  color: var(--navy);
}

.page-news .news-head p {
  margin: 0;
  font-size: 16px;
  line-height: 1.8;
  color: var(--ink-soft);
}

/* ---------- 季度汇总列表 ---------- */
.page-news .news-log {
  padding: 62px 0;
  background: linear-gradient(180deg, rgba(231, 223, 209, 0.55) 0%, rgba(231, 223, 209, 0) 220px);
  border-top: 1px solid var(--news-line);
}

.page-news .news-filter__bar {
  display: flex;
  gap: 8px;
  margin: 0 -20px;
  padding: 4px 20px 14px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

.page-news .news-filter__btn {
  flex: 0 0 auto;
  appearance: none;
  -webkit-appearance: none;
  padding: 9px 16px;
  border: 1px solid var(--news-line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.5);
  color: var(--ink-soft);
  font-family: inherit;
  font-size: 14px;
  font-weight: 500;
  line-height: 1.2;
  white-space: nowrap;
  cursor: pointer;
  transition: background 0.22s var(--ease), color 0.22s var(--ease), border-color 0.22s var(--ease);
}

.page-news .news-filter__btn:hover {
  border-color: var(--orange-soft);
  color: var(--orange-ink);
}

.page-news .news-filter__btn:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: 2px;
}

.page-news .news-filter__btn.is-active {
  background: var(--navy);
  border-color: var(--navy);
  color: var(--cream);
}

.page-news .news-filter__body {
  margin-top: 26px;
}

.page-news .news-filter__panel[hidden] {
  display: none;
}

/* 竖向时间轴 */
.page-news .news-tl {
  position: relative;
  margin: 0;
  padding: 0 0 0 30px;
  list-style: none;
}

.page-news .news-tl::before {
  content: "";
  position: absolute;
  left: 6px;
  top: 10px;
  bottom: 10px;
  width: 2px;
  border-radius: 2px;
  background: linear-gradient(180deg, var(--orange) 0%, var(--steel) 50%, rgba(36, 64, 95, 0.12) 100%);
}

.page-news .news-tl__item {
  position: relative;
  padding-bottom: 18px;
}

.page-news .news-tl__item:last-child {
  padding-bottom: 0;
}

.page-news .news-tl__dot {
  position: absolute;
  left: -30px;
  top: 16px;
  width: 14px;
  height: 14px;
  box-sizing: border-box;
  border-radius: 50%;
  background: var(--cream);
  border: 3px solid var(--orange);
  z-index: 1;
  transition: background 0.24s var(--ease), transform 0.24s var(--ease);
}

.page-news .news-tl__item:hover .news-tl__dot,
.page-news .news-tl__item:focus-within .news-tl__dot {
  background: var(--orange);
  transform: scale(1.16);
}

.page-news .news-tl__card {
  padding: 16px 18px;
  background: var(--news-card);
  border: 1px solid var(--news-line);
  border-radius: var(--radius);
  transition: transform 0.28s var(--ease), box-shadow 0.28s var(--ease), border-color 0.28s var(--ease);
}

.page-news .news-tl__card:hover {
  transform: translateX(4px);
  border-color: var(--orange-soft);
  box-shadow: var(--shadow-soft);
}

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

.page-news .news-tl__period {
  font-size: 13px;
  line-height: 1.4;
  letter-spacing: 0.02em;
  color: var(--orange-ink);
}

.page-news .news-tl__title {
  margin: 0 0 6px;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.45;
  color: var(--navy);
}

.page-news .news-tl__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--ink-soft);
}

/* 标签 */
.page-news .news-tag {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.5;
  white-space: nowrap;
  border-radius: 2px;
  border: 1px solid transparent;
}

.page-news .news-tag[data-kind="version"] {
  color: var(--orange-ink);
  background: rgba(255, 106, 43, 0.12);
  border-color: rgba(255, 106, 43, 0.28);
}

.page-news .news-tag[data-kind="nav"] {
  color: var(--steel);
  background: rgba(36, 64, 95, 0.09);
  border-color: rgba(36, 64, 95, 0.24);
}

.page-news .news-tag[data-kind="node"] {
  color: #12715D;
  background: rgba(31, 169, 140, 0.13);
  border-color: rgba(31, 169, 140, 0.32);
}

.page-news .news-tag[data-kind="archive"] {
  color: #7C5320;
  background: rgba(231, 223, 209, 0.95);
  border-color: rgba(124, 83, 32, 0.24);
}

.page-news .news-tag[data-kind="help"] {
  color: #3A5273;
  background: rgba(140, 154, 171, 0.18);
  border-color: rgba(58, 82, 115, 0.22);
}

.page-news .news-tag[data-kind="event"] {
  color: var(--navy);
  background: rgba(14, 27, 44, 0.08);
  border-color: rgba(14, 27, 44, 0.22);
}

/* ---------- 专题系列 ---------- */
.page-news .news-topics {
  padding: 62px 0;
  background: var(--paper);
}

.page-news .news-topics__head {
  display: grid;
  gap: 26px;
  margin-bottom: 34px;
}

.page-news .news-topics__head h2 {
  margin: 8px 0 12px;
  font-size: clamp(23px, 3.5vw, 34px);
  line-height: 1.24;
  font-weight: 800;
  letter-spacing: -0.015em;
  color: var(--navy);
}

.page-news .news-topics__head p {
  margin: 0;
  max-width: 40em;
  font-size: 16px;
  line-height: 1.8;
  color: var(--ink-soft);
}

.page-news .news-topics__art {
  margin: 0;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--navy-2);
}

.page-news .news-topics__art img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-news .news-topics__list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 2px solid var(--navy);
}

.page-news .news-topic {
  display: grid;
  gap: 6px;
  padding: 20px 0;
  border-bottom: 1px solid rgba(36, 64, 95, 0.22);
}

.page-news .news-topic__num {
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--orange-ink);
}

.page-news .news-topic__name {
  margin: 0 0 5px;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--navy);
}

.page-news .news-topic__desc {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--ink-soft);
}

.page-news .news-topic__pace {
  align-self: start;
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--orange-ink);
  white-space: nowrap;
}

/* ---------- 回看与订阅（深色） ---------- */
.page-news .news-keep {
  padding: 62px 0;
  background: var(--navy);
  color: var(--cream);
}

.page-news .news-keep .eyebrow {
  color: var(--orange-soft);
}

.page-news .news-keep__grid {
  display: grid;
  gap: 34px;
}

.page-news .news-keep h2 {
  margin: 8px 0 14px;
  font-size: clamp(23px, 3.5vw, 34px);
  line-height: 1.24;
  font-weight: 800;
  letter-spacing: -0.015em;
  color: var(--cream);
}

.page-news .news-keep p {
  margin: 0;
  max-width: 40em;
  font-size: 16px;
  line-height: 1.85;
  color: var(--mist);
}

.page-news .news-keep__steps {
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
  counter-reset: keepstep;
  display: grid;
  gap: 14px;
}

.page-news .news-keep__step {
  position: relative;
  padding-left: 38px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--cream);
}

.page-news .news-keep__step::before {
  counter-increment: keepstep;
  content: counter(keepstep, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 1px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--orange);
}

.page-news .news-keep__art {
  margin: 0;
  width: 176px;
  max-width: 100%;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line-dark);
}

.page-news .news-keep__art img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 选题标准 ---------- */
.page-news .news-criteria {
  padding: 62px 0 72px;
}

.page-news .news-criteria__grid {
  display: grid;
  gap: 16px;
}

.page-news .news-crit {
  padding: 20px 18px 22px;
  background: var(--news-card);
  border: 1px solid var(--news-line);
  border-top: 3px solid var(--navy);
  border-radius: var(--radius);
  transition: border-top-color 0.24s var(--ease), transform 0.24s var(--ease), box-shadow 0.24s var(--ease);
}

.page-news .news-crit:hover {
  border-top-color: var(--orange);
  transform: translateY(-3px);
  box-shadow: var(--shadow-soft);
}

.page-news .news-crit__num {
  display: block;
  margin-bottom: 12px;
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--orange-ink);
}

.page-news .news-crit__name {
  margin: 0 0 8px;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--navy);
}

.page-news .news-crit__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--ink-soft);
}

.page-news .news-cadence {
  margin-top: 34px;
  padding: 22px 20px;
  background: var(--navy-2);
  border-radius: var(--radius);
}

.page-news .news-cadence p {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--mist);
}

.page-news .news-cadence .mono {
  color: var(--orange-soft);
  font-weight: 700;
}

.page-news .news-cadence__links {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  margin-top: 16px !important;
}

.page-news .news-cadence .news-jump {
  color: var(--orange-soft);
  border-bottom-color: rgba(255, 180, 138, 0.45);
}

.page-news .news-cadence .news-jump:hover {
  color: var(--cream);
  border-bottom-color: var(--cream);
}

/* ---------- 滚动渐显 ---------- */
.page-news [data-reveal] {
  opacity: 1;
}

html[data-js="on"] .page-news [data-reveal] {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.32s var(--ease), transform 0.32s var(--ease);
}

html[data-js="on"] .page-news [data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  html[data-js="on"] .page-news [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }
  .page-news .news-tl__card,
  .page-news .news-tl__dot,
  .page-news .news-crit {
    transition: none;
  }
  .page-news .news-tl__card:hover,
  .page-news .news-tl__item:hover .news-tl__dot,
  .page-news .news-crit:hover {
    transform: none;
  }
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-news .news-strip__ticks {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
  .page-news .news-criteria__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
  }
}

@media (min-width: 760px) {
  .page-news .news-topic {
    grid-template-columns: 46px minmax(0, 1fr) 168px;
    align-items: start;
    gap: 22px;
    padding: 22px 0;
  }
}

@media (min-width: 860px) {
  .page-news .news-hero {
    padding-top: 46px;
  }
  .page-news .news-where,
  .page-news .news-log,
  .page-news .news-topics,
  .page-news .news-keep {
    padding-top: 88px;
    padding-bottom: 88px;
  }
  .page-news .news-criteria {
    padding: 88px 0 104px;
  }
  .page-news .news-filter__bar {
    margin: 0;
    padding-left: 0;
    padding-right: 0;
    flex-wrap: wrap;
    overflow: visible;
  }
}

@media (min-width: 900px) {
  .page-news .news-where__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.02fr);
    gap: 52px;
    align-items: center;
  }
  .page-news .news-keep__grid {
    grid-template-columns: minmax(0, 1fr) 220px;
    gap: 60px;
    align-items: center;
  }
  .page-news .news-keep__art {
    width: 100%;
  }
}

@media (min-width: 1020px) {
  .page-news .news-topics__head {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 0.65fr);
    align-items: end;
    gap: 44px;
  }
  .page-news .news-topics__art {
    width: 100%;
  }
}

@media (min-width: 1080px) {
  .page-news .news-criteria__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 20px;
  }
}