.page-news {
  --news-rule: rgba(11, 42, 56, .16);
  --news-rule-soft: rgba(11, 42, 56, .09);
  --news-rule-dark: rgba(168, 180, 188, .24);
  --news-shadow: 0 18px 40px -26px rgba(6, 26, 36, .6);
  display: block;
}

.page-news img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* ---------- 封面首屏 ---------- */

.page-news .news-cover {
  position: relative;
  padding: 26px 0 54px;
  overflow: hidden;
  background-image:
    repeating-linear-gradient(0deg, rgba(37, 240, 224, .05) 0 1px, transparent 1px 56px),
    repeating-linear-gradient(90deg, rgba(37, 240, 224, .05) 0 1px, transparent 1px 56px);
}

.page-news .news-cover .breadcrumb {
  margin-bottom: 30px;
}

.page-news .news-cover__grid {
  display: grid;
  gap: 30px;
  align-items: start;
}

.page-news .news-cover__kicker {
  color: var(--cyan);
  margin: 0;
}

.page-news .news-cover__title {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(30px, 6vw, 56px);
  line-height: 1.1;
  letter-spacing: -.02em;
  color: var(--white);
  margin: 14px 0 0;
  max-width: 16em;
}

.page-news .news-cover__lede {
  color: var(--gray-2);
  margin: 18px 0 0;
  max-width: 40em;
}

.page-news .news-cover__index {
  list-style: none;
  margin: 30px 0 0;
  padding: 0;
  border-top: 1px solid var(--line-cyan);
  display: grid;
}

.page-news .news-cover__index li {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
  padding: 11px 0;
  border-bottom: 1px solid var(--line-cool);
}

.page-news .news-cover__idx {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--gold);
}

.page-news .news-cover__lnk {
  color: var(--white);
  font-size: 15px;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .18s ease, border-color .18s ease;
}

.page-news .news-cover__lnk:hover,
.page-news .news-cover__lnk:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

.page-news .news-cover__meta {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .06em;
  color: var(--gray);
  white-space: nowrap;
}

.page-news .news-cover__media {
  margin: 0;
}

.page-news .news-cover__media img {
  aspect-ratio: 2 / 1;
  object-fit: cover;
  border: 1px solid var(--line-cyan);
}

/* ---------- 章节刊头 ---------- */

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

.page-news .news-head .section-head__num {
  color: var(--gold);
  font-family: var(--font-mono);
  letter-spacing: .1em;
}

.page-news .news-head .section-head__title {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(23px, 3.4vw, 36px);
  line-height: 1.18;
  letter-spacing: -.015em;
  margin: 8px 0 0;
}

.page-news .news-head .section-head__note {
  max-width: 46em;
  margin: 10px 0 0;
  line-height: 1.75;
}

.page-news .band--ink .news-head .section-head__title,
.page-news .band--deep .news-head .section-head__title {
  color: var(--white);
}

.page-news .band--ink .news-head .section-head__note,
.page-news .band--deep .news-head .section-head__note {
  color: var(--gray-2);
}

/* ---------- 系列总览与标签筛选 ---------- */

.page-news .news-filter {
  position: relative;
}

.page-news .news-filter__input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
  margin: 0;
}

.page-news .news-filter__bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--news-rule);
}

.page-news .news-filter__bar label {
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  padding: 7px 13px;
  border: 1px solid var(--news-rule);
  background: transparent;
  color: var(--ink-800);
  border-radius: var(--radius);
  transition: background-color .18s ease, color .18s ease, border-color .18s ease;
}

.page-news .news-filter__bar label:hover {
  border-color: var(--gold);
  color: var(--ink-900);
}

.page-news #pf-all:checked ~ .news-filter__bar label[for="pf-all"],
.page-news #pf-version:checked ~ .news-filter__bar label[for="pf-version"],
.page-news #pf-device:checked ~ .news-filter__bar label[for="pf-device"],
.page-news #pf-doc:checked ~ .news-filter__bar label[for="pf-doc"],
.page-news #pf-account:checked ~ .news-filter__bar label[for="pf-account"] {
  background: var(--ink-800);
  border-color: var(--ink-800);
  color: var(--white);
}

.page-news #pf-all:focus-visible ~ .news-filter__bar label[for="pf-all"],
.page-news #pf-version:focus-visible ~ .news-filter__bar label[for="pf-version"],
.page-news #pf-device:focus-visible ~ .news-filter__bar label[for="pf-device"],
.page-news #pf-doc:focus-visible ~ .news-filter__bar label[for="pf-doc"],
.page-news #pf-account:focus-visible ~ .news-filter__bar label[for="pf-account"] {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-news #pf-version:checked ~ .news-series .news-series__card:not(.is-version),
.page-news #pf-device:checked ~ .news-series .news-series__card:not(.is-device),
.page-news #pf-doc:checked ~ .news-series .news-series__card:not(.is-doc),
.page-news #pf-account:checked ~ .news-series .news-series__card:not(.is-account) {
  display: none;
}

.page-news .news-series {
  display: grid;
  gap: 18px;
  margin-top: 26px;
}

.page-news .news-series__card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 22px 18px 18px;
  background: var(--paper-2);
  border: 1px solid var(--news-rule);
  border-radius: var(--radius);
  transition: border-color .18s ease, box-shadow .18s ease, transform .18s ease;
}

.page-news .news-series__card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--ink-700);
}

.page-news .news-series__card.is-version::before { background: var(--gold); }
.page-news .news-series__card.is-device::before { background: var(--cyan); }
.page-news .news-series__card.is-doc::before { background: var(--gray); }
.page-news .news-series__card.is-account::before { background: var(--ink-700); }

.page-news .news-series__card:hover,
.page-news .news-series__card:focus-within {
  border-color: var(--cyan);
  box-shadow: 0 0 0 1px var(--cyan), var(--news-shadow);
  transform: translateY(-3px);
}

.page-news .news-series__top {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding-top: 6px;
}

.page-news .news-series__code {
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--gold);
}

.page-news .news-series__title {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 19px;
  line-height: 1.3;
  color: var(--ink-900);
  margin: 0;
}

.page-news .news-series__text {
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--ink-800);
  margin: 0;
}

.page-news .news-series__posts {
  list-style: none;
  margin: 0;
  padding: 12px 0 0;
  border-top: 1px dashed var(--news-rule);
  display: grid;
  gap: 9px;
}

.page-news .news-series__posts li {
  position: relative;
  padding-left: 14px;
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--gray);
}

.page-news .news-series__posts li::before {
  content: "·";
  position: absolute;
  left: 0;
  color: var(--gold);
  font-weight: 700;
}

.page-news .news-series__link {
  margin-top: auto;
  align-self: flex-start;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--ink-800);
  text-decoration: none;
  border-bottom: 1px solid var(--gold);
  padding-bottom: 2px;
  transition: color .18s ease, border-color .18s ease;
}

.page-news .news-series__link:hover,
.page-news .news-series__link:focus-visible {
  color: var(--ink-900);
  border-bottom-color: var(--cyan);
}

/* ---------- 版本观察 ---------- */

.page-news .news-watch__list {
  margin-top: 8px;
  border-top: 1px solid var(--news-rule);
}

.page-news .news-watch__item {
  display: grid;
  gap: 12px;
  padding: 26px 0;
  border-bottom: 1px solid var(--news-rule);
}

.page-news .news-watch__no {
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--gold);
}

.page-news .news-watch__title {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(18px, 2.2vw, 23px);
  line-height: 1.32;
  color: var(--ink-900);
  margin: 0;
}

.page-news .news-watch__text {
  font-size: 14.5px;
  line-height: 1.76;
  color: var(--ink-800);
  margin: 10px 0 0;
}

.page-news .news-watch__side {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.page-news .news-watch__time {
  font-size: 11.5px;
  letter-spacing: .06em;
  color: var(--gray);
}

.page-news .news-watch__more {
  font-size: 13px;
  color: var(--ink-800);
  text-decoration: none;
  border-bottom: 1px solid var(--gold);
  padding-bottom: 2px;
  transition: color .18s ease, border-color .18s ease;
}

.page-news .news-watch__more:hover,
.page-news .news-watch__more:focus-visible {
  color: var(--ink-900);
  border-bottom-color: var(--cyan);
}

/* ---------- 设备与登录指南 ---------- */

.page-news .news-device__grid {
  display: grid;
  gap: 30px;
  align-items: start;
}

.page-news .news-device__steps {
  list-style: none;
  counter-reset: devstep;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--news-rule);
}

.page-news .news-device__step {
  padding: 20px 0;
  border-bottom: 1px solid var(--news-rule);
  border-left: 3px solid transparent;
  padding-left: 16px;
  transition: border-left-color .18s ease, background-color .18s ease;
}

.page-news .news-device__step:hover {
  border-left-color: var(--cyan);
  background: rgba(37, 240, 224, .05);
}

.page-news .news-device__stepno {
  display: block;
  font-size: 11.5px;
  letter-spacing: .12em;
  color: var(--gold);
}

.page-news .news-device__step h3 {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 17px;
  line-height: 1.35;
  color: var(--ink-900);
  margin: 8px 0 0;
}

.page-news .news-device__step p {
  font-size: 14px;
  line-height: 1.74;
  color: var(--ink-800);
  margin: 8px 0 0;
}

.page-news .news-device__media {
  margin: 0;
}

.page-news .news-device__media img {
  aspect-ratio: 8 / 5;
  object-fit: cover;
  border: 1px solid var(--news-rule);
}

/* ---------- 资料更新日志 ---------- */

.page-news .news-log__grid {
  display: grid;
  gap: 30px;
  align-items: start;
}

.page-news .news-log__side {
  display: grid;
  gap: 20px;
}

.page-news .news-log__media {
  margin: 0;
}

.page-news .news-log__media img {
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border: 1px solid var(--news-rule-dark);
  opacity: .92;
}

.page-news .news-log__jump {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--news-rule-dark);
}

.page-news .news-log__jump-item {
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--gray-2);
  text-decoration: none;
  padding: 9px 0;
  border-bottom: 1px solid var(--news-rule-dark);
  transition: color .18s ease, padding-left .18s ease;
}

.page-news .news-log__jump-item:hover,
.page-news .news-log__jump-item:focus-visible {
  color: var(--cyan);
  padding-left: 6px;
}

.page-news .news-log__list {
  list-style: none;
  margin: 0;
  padding: 0 0 0 24px;
  border-left: 1px solid var(--line-cyan);
  display: grid;
  gap: 28px;
}

.page-news .news-log__item {
  position: relative;
  scroll-margin-top: calc(var(--frame-top) + 24px);
}

.page-news .news-log__item::before {
  content: "";
  position: absolute;
  left: -29px;
  top: 7px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--gold);
}

.page-news .news-log__meta {
  font-size: 11.5px;
  letter-spacing: .08em;
  color: var(--cyan);
}

.page-news .news-log__title {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 18px;
  line-height: 1.36;
  color: var(--white);
  margin: 8px 0 0;
}

.page-news .news-log__text {
  font-size: 14px;
  line-height: 1.76;
  color: var(--gray-2);
  margin: 8px 0 0;
}

/* ---------- 编辑推荐 ---------- */

.page-news .news-picks {
  display: grid;
  gap: 20px;
  align-items: start;
}

.page-news .news-pick {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 26px 22px;
  border: 1px solid var(--news-rule);
  border-radius: var(--radius);
  transition: border-color .18s ease, box-shadow .18s ease;
}

.page-news .news-pick--new {
  background: var(--paper-2);
}

.page-news .news-pick--old {
  background: transparent;
  border-style: dashed;
}

.page-news .news-pick:hover {
  border-color: var(--gold);
  box-shadow: var(--news-shadow);
}

.page-news .news-pick__title {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(19px, 2.4vw, 25px);
  line-height: 1.3;
  letter-spacing: -.01em;
  color: var(--ink-900);
  margin: 0;
}

.page-news .news-pick__text {
  font-size: 14.5px;
  line-height: 1.76;
  color: var(--ink-800);
  margin: 0;
}

.page-news .news-pick .btn {
  align-self: flex-start;
  margin-top: 6px;
}

/* ---------- 尾部：标签与订阅 ---------- */

.page-news .news-tail {
  overflow: hidden;
}

.page-news .news-tail__texture {
  margin: 0 0 30px;
}

.page-news .news-tail__texture img {
  width: 100%;
  aspect-ratio: 16 / 3;
  object-fit: cover;
  opacity: .38;
  border-top: 1px solid var(--line-cool);
  border-bottom: 1px solid var(--line-cool);
}

.page-news .news-tail__grid {
  display: grid;
  gap: 28px;
  align-items: start;
}

.page-news .news-tail__title {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(22px, 3vw, 32px);
  line-height: 1.2;
  letter-spacing: -.015em;
  color: var(--white);
  margin: 0 0 18px;
}

.page-news .news-tags__cloud {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
}

.page-news .news-tags__cloud .tag {
  display: inline-block;
  text-decoration: none;
  transition: border-color .18s ease, color .18s ease, background-color .18s ease;
}

.page-news .news-tags__cloud .tag:hover,
.page-news .news-tags__cloud .tag:focus-visible {
  border-color: var(--cyan);
  color: var(--cyan);
}

.page-news .news-tail__sub {
  padding: 22px 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.page-news .news-tail__sub-title {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 17px;
  line-height: 1.35;
  color: var(--white);
  margin: 0;
}

.page-news .news-tail__sub-text {
  font-size: 14px;
  line-height: 1.76;
  color: var(--gray-2);
  margin: 0;
}

.page-news .news-tail__sub .btn {
  align-self: flex-start;
}

/* ---------- 响应式 ---------- */

@media (min-width: 640px) {
  .page-news .news-cover {
    padding: 34px 0 66px;
  }

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

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

@media (min-width: 900px) {
  .page-news .news-cover {
    padding: 40px 0 84px;
  }

  .page-news .news-cover__grid {
    grid-template-columns: 1.06fr .94fr;
    gap: 52px;
    align-items: center;
  }

  .page-news .news-watch__item {
    grid-template-columns: 86px minmax(0, 1fr) 208px;
    gap: 32px;
    align-items: start;
    padding: 32px 0;
  }

  .page-news .news-watch__side {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }

  .page-news .news-device__grid {
    grid-template-columns: 1fr .84fr;
    gap: 48px;
    align-items: center;
  }

  .page-news .news-log__grid {
    grid-template-columns: 236px minmax(0, 1fr);
    gap: 46px;
  }

  .page-news .news-tail__grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    gap: 40px;
  }
}

@media (min-width: 1120px) {
  .page-news .news-series {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    align-items: start;
  }

  .page-news .news-series__card:nth-child(2) {
    margin-top: 30px;
  }

  .page-news .news-series__card:nth-child(4) {
    margin-top: 30px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-series__card,
  .page-news .news-device__step,
  .page-news .news-log__jump-item,
  .page-news .news-cover__lnk,
  .page-news .news-series__link,
  .page-news .news-watch__more,
  .page-news .news-tags__cloud .tag {
    transition: none;
  }

  .page-news .news-series__card:hover,
  .page-news .news-series__card:focus-within {
    transform: none;
  }
}