.page-news {
  --ins-tick-w: 6px;
  background: var(--c-cream);
  color: var(--c-ink);
}

/* ============ 首屏 ============ */
.page-news .ins-hero {
  position: relative;
  overflow: hidden;
  padding: 26px 0 0;
  background: linear-gradient(158deg, var(--c-deep) 0%, var(--c-night) 76%);
  color: var(--c-paper);
}

.page-news .ins-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 6px;
  background: linear-gradient(90deg, var(--c-gold) 0%, var(--c-gold-soft) 45%, rgba(214, 162, 74, 0) 100%);
}

.page-news .ins-hero__inner {
  display: grid;
  gap: 32px;
  padding-bottom: 36px;
}

.page-news .breadcrumb {
  margin-bottom: 18px;
}

.page-news .ins-hero .eyebrow {
  color: var(--c-gold-soft);
}

.page-news .ins-hero h1 {
  margin: 10px 0 16px;
  color: var(--c-paper);
}

.page-news .ins-hero .lead {
  max-width: 60ch;
  color: rgba(255, 255, 255, 0.78);
}

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

/* 纯 CSS 刻度视觉 */
.page-news .ins-gauge {
  position: relative;
  padding: 20px 20px 16px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: var(--radius);
  background:
    repeating-linear-gradient(180deg, rgba(255, 255, 255, 0.05) 0 1px, transparent 1px 26px),
    rgba(255, 255, 255, 0.03);
  box-shadow: inset 0 0 40px rgba(53, 224, 208, 0.07);
}

.page-news .ins-gauge__head,
.page-news .ins-gauge__foot {
  font-size: 12px;
  letter-spacing: 0.14em;
  color: rgba(255, 255, 255, 0.55);
}

.page-news .ins-gauge__ticks {
  display: flex;
  align-items: flex-end;
  gap: 5px;
  height: 168px;
  margin: 18px 0 14px;
}

.page-news .ins-gauge__ticks span {
  flex: 1 1 0;
  min-width: 0;
  border-radius: 1px 1px 0 0;
  background: rgba(214, 162, 74, 0.42);
}

.page-news .ins-gauge__ticks span:nth-child(1) { height: 26%; }
.page-news .ins-gauge__ticks span:nth-child(2) { height: 41%; }
.page-news .ins-gauge__ticks span:nth-child(3) { height: 34%; }
.page-news .ins-gauge__ticks span:nth-child(4) { height: 58%; }
.page-news .ins-gauge__ticks span:nth-child(5) { height: 50%; background: rgba(255, 255, 255, 0.24); }
.page-news .ins-gauge__ticks span:nth-child(6) { height: 72%; }
.page-news .ins-gauge__ticks span:nth-child(7) { height: 64%; }
.page-news .ins-gauge__ticks span:nth-child(8) { height: 86%; background: rgba(53, 224, 208, 0.55); }
.page-news .ins-gauge__ticks span:nth-child(9) { height: 78%; }
.page-news .ins-gauge__ticks span:nth-child(10) { height: 100%; background: var(--c-gold); }
.page-news .ins-gauge__ticks span:nth-child(11) { height: 90%; }
.page-news .ins-gauge__ticks span:nth-child(12) { height: 96%; background: var(--c-gold); }

.page-news .ins-gauge__rule {
  height: 1px;
  background: linear-gradient(90deg, rgba(255, 255, 255, 0.35), rgba(255, 255, 255, 0));
}

.page-news .ins-gauge__foot {
  margin: 12px 0 0;
}

/* 数字条 */
.page-news .ins-stats {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  padding-bottom: 26px;
}

.page-news .ins-stat {
  padding: 16px 2px 16px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.16);
}

.page-news .ins-stat__value {
  display: block;
  font-size: 30px;
  line-height: 1.1;
  color: var(--c-gold);
}

.page-news .ins-stat__label {
  display: block;
  margin-top: 6px;
  font-family: var(--font-head);
  font-size: 14px;
  line-height: 1.5;
  color: rgba(255, 255, 255, 0.7);
}

/* ============ 章内导览 ============ */
.page-news .ins-jump {
  position: sticky;
  top: 0;
  z-index: 5;
  background: var(--c-cream);
  border-bottom: 1px solid var(--c-line);
}

.page-news .ins-jump__inner {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-top: 12px;
  padding-bottom: 12px;
  scrollbar-width: none;
}

.page-news .ins-jump__inner::-webkit-scrollbar {
  display: none;
}

.page-news .ins-jump__link {
  flex: 0 0 auto;
  padding: 7px 14px;
  border: 1px solid var(--c-line);
  border-radius: 999px;
  background: var(--c-paper);
  font-family: var(--font-head);
  font-size: 14px;
  color: var(--c-deep);
  text-decoration: none;
  transition: border-color 0.18s ease, background-color 0.18s ease;
}

.page-news .ins-jump__link:hover,
.page-news .ins-jump__link:focus-visible {
  border-color: var(--c-gold);
  background: var(--c-gold-soft);
}

/* ============ 通用小件 ============ */
.page-news .ins-link {
  display: inline-block;
  margin-top: 8px;
  font-family: var(--font-head);
  font-size: 15px;
  color: var(--c-rust);
  text-decoration: none;
  border-bottom: 1px solid rgba(196, 85, 47, 0.4);
}

.page-news .ins-link:hover,
.page-news .ins-link:focus-visible {
  border-bottom-color: var(--c-rust);
}

/* ============ 01 本期摘要 ============ */
.page-news .ins-digest {
  display: grid;
  gap: 28px;
  margin-top: 26px;
}

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

.page-news .ins-pick {
  padding: 20px 20px 22px;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  background: var(--c-paper);
  transition: transform 0.18s ease, border-color 0.18s ease;
}

.page-news .ins-pick__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 0 0 10px;
  font-size: 13px;
  color: var(--c-gray);
}

.page-news .ins-pick__title {
  margin: 0 0 10px;
  font-size: 20px;
  line-height: 1.35;
}

.page-news .ins-pick__text {
  margin: 0;
  font-size: 16px;
  line-height: 1.8;
  color: var(--c-gray);
}

.page-news .ins-pick__more {
  display: inline-block;
  margin-top: 14px;
  font-family: var(--font-head);
  font-size: 14px;
  color: var(--c-deep);
  text-decoration: none;
  border-bottom: 1px solid var(--c-line);
}

.page-news .ins-pick__more:hover,
.page-news .ins-pick__more:focus-visible {
  border-bottom-color: var(--c-gold);
}

.page-news .ins-pick--lead {
  position: relative;
  padding-left: 26px;
  border-color: transparent;
  background: linear-gradient(140deg, var(--c-deep), var(--c-night));
  color: var(--c-paper);
}

.page-news .ins-pick--lead::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: var(--ins-tick-w);
  background: var(--c-gold);
}

.page-news .ins-pick--lead .ins-pick__title {
  color: var(--c-paper);
  font-size: 24px;
}

.page-news .ins-pick--lead .ins-pick__text {
  color: rgba(255, 255, 255, 0.76);
}

.page-news .ins-pick--lead .ins-pick__more {
  color: var(--c-gold-soft);
  border-bottom-color: rgba(242, 217, 168, 0.45);
}

.page-news .ins-digest__side {
  display: grid;
  gap: 16px;
  align-content: start;
}

.page-news .ins-digest__note {
  padding: 18px 18px 20px;
  border: 1px solid var(--c-line);
  border-left: var(--ins-tick-w) solid var(--c-gold);
  border-radius: var(--radius);
  background: var(--c-paper);
}

.page-news .ins-digest__note-title {
  margin: 0 0 8px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 16px;
  color: var(--c-deep);
}

.page-news .ins-digest__note p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--c-gray);
}

/* ============ 02 时间线 ============ */
.page-news .ins-banner {
  margin: 26px 0 22px;
}

.page-news .ins-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  margin: 0 0 30px;
  padding: 0;
  list-style: none;
  font-family: var(--font-head);
  font-size: 14px;
  color: var(--c-gray);
}

.page-news .ins-legend li {
  display: inline-flex;
  align-items: center;
}

.page-news .ins-legend__dot {
  display: inline-block;
  width: 10px;
  height: 10px;
  margin-right: 8px;
  border-radius: 50%;
}

.page-news .ins-legend__dot--terms { background: var(--c-gold); }
.page-news .ins-legend__dot--release { background: var(--c-deep); }
.page-news .ins-legend__dot--perf { background: var(--c-cyan); }
.page-news .ins-legend__dot--docs { background: var(--c-rust); }

.page-news .ins-timeline {
  display: grid;
  gap: 26px;
}

.page-news .ins-month {
  display: grid;
  gap: 12px;
}

.page-news .ins-month__scale {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding-left: 2px;
}

.page-news .ins-month__label {
  font-size: 16px;
  font-weight: 500;
  color: var(--c-deep);
}

.page-news .ins-month__hint {
  font-size: 13px;
  line-height: 1.6;
  color: var(--c-gray);
}

.page-news .ins-month__list {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .ins-entry {
  border: 1px solid var(--c-line);
  border-left: var(--ins-tick-w) solid var(--c-gold);
  border-radius: var(--radius);
  background: var(--c-paper);
  padding: 16px 18px 18px;
  transition: transform 0.18s ease, border-color 0.18s ease;
}

.page-news .ins-entry--terms { border-left-color: var(--c-gold); }
.page-news .ins-entry--release { border-left-color: var(--c-deep); }
.page-news .ins-entry--perf { border-left-color: var(--c-cyan); }
.page-news .ins-entry--docs { border-left-color: var(--c-rust); }

.page-news .ins-entry__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 0 0 8px;
  font-size: 12px;
  color: var(--c-gray);
}

.page-news .ins-entry__title {
  margin: 0 0 8px;
  font-size: 17px;
  line-height: 1.45;
  color: var(--c-ink);
}

.page-news .ins-entry__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--c-gray);
}

/* ============ 03 专题系列 ============ */
.page-news .ins-topics-figure {
  margin: 26px 0 26px;
}

.page-news .ins-serials {
  display: grid;
  gap: 18px;
}

.page-news .ins-serial {
  padding: 22px 22px 24px;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  background: var(--c-paper);
  transition: transform 0.18s ease, border-color 0.18s ease;
}

.page-news .ins-serial__meta {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--c-rust);
}

.page-news .ins-serial__title {
  margin: 0 0 10px;
  font-size: 22px;
  line-height: 1.3;
}

.page-news .ins-serial__text {
  margin: 0 0 14px;
  font-size: 16px;
  line-height: 1.85;
  color: var(--c-gray);
}

.page-news .ins-serial__latest {
  margin: 0;
  padding-top: 12px;
  border-top: 1px solid var(--c-line);
  font-size: 14px;
  line-height: 1.7;
  color: var(--c-deep);
}

.page-news .ins-topics-more {
  margin: 24px 0 0;
  font-size: 15px;
  color: var(--c-gray);
}

/* ============ 04 分类与检索 ============ */
.page-news .ins-archive {
  display: grid;
  gap: 28px;
  margin-top: 22px;
}

.page-news .ins-search {
  margin: 22px 0 24px;
  padding: 18px 18px 16px;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  background: var(--c-paper);
}

.page-news .ins-search__label {
  display: block;
  margin-bottom: 10px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 15px;
  color: var(--c-deep);
}

.page-news .ins-search__input {
  width: 100%;
  box-sizing: border-box;
  padding: 12px 14px;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  background: var(--c-cream);
  font-family: var(--font-body);
  font-size: 16px;
  color: var(--c-ink);
}

.page-news .ins-search__input::placeholder {
  color: var(--c-gray);
}

.page-news .ins-search__input:focus-visible {
  outline: 2px solid var(--c-gold);
  outline-offset: 1px;
}

.page-news .ins-search__hint {
  margin: 10px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--c-gray);
}

.page-news .ins-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .ins-tag {
  display: inline-block;
  padding: 8px 16px;
  border: 1px solid var(--c-line);
  border-radius: 999px;
  background: var(--c-paper);
  font-family: var(--font-head);
  font-size: 14px;
  line-height: 1;
  white-space: nowrap;
  color: var(--c-deep);
  text-decoration: none;
  transition: border-color 0.18s ease, background-color 0.18s ease;
}

.page-news .ins-tag--lg {
  padding: 11px 20px;
  font-size: 17px;
  font-weight: 700;
  background: var(--c-gold-soft);
  border-color: rgba(214, 162, 74, 0.6);
}

.page-news .ins-tag--sm {
  padding: 6px 13px;
  font-size: 13px;
  color: var(--c-gray);
}

.page-news .ins-tag:hover,
.page-news .ins-tag:focus-visible {
  border-color: var(--c-gold);
  background: var(--c-cream);
}

.page-news .ins-archive__side {
  display: grid;
  gap: 16px;
  align-content: start;
}

.page-news .ins-archive__side .note-band {
  border-left: var(--ins-tick-w) solid var(--c-rust);
}

.page-news .ins-archive__side .note-band p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--c-gray);
}

/* ============ 05 纠错与建议 ============ */
.page-news .section--night .chapter-band__num {
  color: var(--c-gold);
}

.page-news .section--night .chapter-band__title {
  color: var(--c-paper);
}

.page-news .ins-feedback {
  display: grid;
  gap: 26px;
  margin-top: 24px;
}

.page-news .ins-feedback__main p {
  margin: 0 0 18px;
  max-width: 62ch;
  font-size: 16px;
  line-height: 1.9;
  color: rgba(255, 255, 255, 0.78);
}

.page-news .ins-feedback__list {
  display: grid;
  gap: 10px;
  margin: 0 0 24px;
  padding: 0;
  list-style: none;
}

.page-news .ins-feedback__list li {
  padding: 12px 16px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.04);
  font-size: 15px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.9);
}

.page-news .ins-feedback__list .mono {
  color: var(--c-gold-soft);
}

.page-news .ins-feedback__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-news .ins-feedback__side {
  padding: 20px 20px 22px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.04);
}

.page-news .ins-feedback__side-title {
  margin: 0 0 14px;
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--c-gold-soft);
}

.page-news .ins-feedback__links {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-news .ins-feedback__links .ins-link {
  margin-top: 0;
  color: var(--c-paper);
  border-bottom-color: rgba(255, 255, 255, 0.3);
}

.page-news .ins-feedback__links .ins-link:hover,
.page-news .ins-feedback__links .ins-link:focus-visible {
  border-bottom-color: var(--c-gold);
}

/* ============ 悬停与减弱动效 ============ */
@media (hover: hover) {
  .page-news .ins-pick:hover,
  .page-news .ins-serial:hover {
    transform: translateY(-4px);
    border-color: var(--c-gold);
  }

  .page-news .ins-entry:hover {
    transform: translateY(-4px);
    border-color: var(--c-deep);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .ins-pick,
  .page-news .ins-serial,
  .page-news .ins-entry,
  .page-news .ins-jump__link,
  .page-news .ins-tag {
    transition: none;
  }

  .page-news .ins-pick:hover,
  .page-news .ins-serial:hover,
  .page-news .ins-entry:hover {
    transform: none;
  }
}

/* ============ 平板 ============ */
@media (min-width: 720px) {
  .page-news .ins-stats {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
  }

  .page-news .ins-stat {
    padding-right: 16px;
  }

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

  .page-news .ins-serials .ins-serial:first-child {
    grid-column: 1 / -1;
  }
}

/* ============ 桌面 ============ */
@media (min-width: 960px) {
  .page-news .ins-hero {
    padding-top: 34px;
  }

  .page-news .ins-hero__inner {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    align-items: center;
    gap: 56px;
    padding-bottom: 44px;
  }

  .page-news .ins-digest {
    grid-template-columns: minmax(0, 1fr) 320px;
    gap: 32px;
    align-items: start;
  }

  .page-news .ins-pick--lead {
    padding: 28px 28px 30px 34px;
  }

  .page-news .ins-pick--lead .ins-pick__title {
    font-size: 28px;
  }

  .page-news .ins-digest__side {
    position: sticky;
    top: 78px;
  }

  .page-news .ins-timeline {
    gap: 34px;
  }

  .page-news .ins-month {
    grid-template-columns: 150px minmax(0, 1fr);
    gap: 30px;
    align-items: start;
  }

  .page-news .ins-month__scale {
    position: sticky;
    top: 78px;
    padding-right: 20px;
    padding-top: 2px;
    text-align: right;
    border-right: 1px solid var(--c-line);
  }

  .page-news .ins-month__list {
    gap: 14px;
  }

  .page-news .ins-serials {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
  }

  .page-news .ins-serials .ins-serial:first-child {
    grid-column: auto;
  }

  .page-news .ins-archive {
    grid-template-columns: minmax(0, 1fr) 320px;
    gap: 40px;
    align-items: start;
  }

  .page-news .ins-archive__side {
    position: sticky;
    top: 78px;
  }

  .page-news .ins-feedback {
    grid-template-columns: minmax(0, 1fr) 320px;
    gap: 40px;
    align-items: start;
  }

  .page-news .ins-gauge {
    padding: 26px 24px 20px;
  }

  .page-news .ins-gauge__ticks {
    height: 210px;
  }
}

@media (min-width: 1200px) {
  .page-news .ins-digest {
    grid-template-columns: minmax(0, 1fr) 360px;
  }

  .page-news .ins-month {
    grid-template-columns: 176px minmax(0, 1fr);
  }
}