.page-news {
  --news-line: #D1D5DB;
  --news-line-dark: rgba(255, 255, 255, 0.22);
  --news-time-col: 96px;
  --news-gold: #FFD700;
  --news-bg-deep: linear-gradient(135deg, #0A1F44 0%, #07172E 100%);
  position: relative;
  background: #F5F4F0;
  color: #1C1B1A;
  overflow-x: hidden;
}

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

.page-news .section-kicker {
  font-family: "Roboto Mono", "SFMono-Regular", Menlo, monospace;
  font-size: 13px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #FF6B35;
  margin: 0 0 10px;
}

.page-news .section-kicker--light {
  color: #FFD700;
}

/* 页面题头 */
.page-news .news-hero {
  padding: clamp(28px, 5vw, 56px) 0 0;
  position: relative;
}

.page-news .news-hero::after {
  content: "";
  display: block;
  height: 6px;
  margin-top: clamp(28px, 5vw, 52px);
  background: linear-gradient(90deg, #FF6B35 0, #FF6B35 140px, #D1D5DB 140px, #D1D5DB 100%);
}

.page-news .news-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 22px;
  margin-top: clamp(24px, 4vw, 40px);
}

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

.page-news .news-hero__kicker {
  font-family: "Roboto Mono", "SFMono-Regular", Menlo, monospace;
  font-size: 13px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #6B7280;
}

.page-news .news-hero__tick {
  color: #FF6B35;
  font-size: 22px;
  line-height: 1;
}

.page-news .news-hero__main h1 {
  font-family: Georgia, "Times New Roman", "Noto Serif SC", "Source Han Serif SC", serif;
  font-size: clamp(34px, 6vw, 72px);
  line-height: 1.04;
  letter-spacing: -0.02em;
  margin: 0 0 22px;
}

.page-news .news-hero__lead {
  font-size: clamp(16px, 2vw, 20px);
  line-height: 1.7;
  color: #4B5563;
  max-width: 720px;
  margin: 0 0 24px;
}

.page-news .news-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
}

.page-news .news-hero__meta-item {
  font-family: "Roboto Mono", "SFMono-Regular", Menlo, monospace;
  font-size: 13px;
  color: #0A1F44;
  background: rgba(10, 31, 68, 0.06);
  padding: 5px 12px;
  border-radius: 999px;
}

/* 最新发布 */
.page-news .news-banner {
  margin-bottom: clamp(36px, 6vw, 64px);
  border-radius: 6px;
  overflow: hidden;
  box-shadow: 0 8px 32px rgba(7, 23, 46, 0.22);
  position: relative;
}

.page-news .news-banner::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 4px;
  background: #FF6B35;
}

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

.page-news .news-latest__layout {
  gap: 28px;
}

.page-news .news-latest__intro {
  padding-top: 8px;
}

.page-news .news-latest__intro h2 {
  font-family: Georgia, "Times New Roman", "Noto Serif SC", "Source Han Serif SC", serif;
  font-size: clamp(30px, 4vw, 56px);
  line-height: 1.08;
  margin: 0 0 14px;
}

.page-news .news-latest__intro p {
  font-size: 15px;
  line-height: 1.65;
  color: #6B7280;
  margin: 0 0 24px;
}

.page-news .news-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-news .news-filter__label {
  width: 100%;
  font-family: "Roboto Mono", "SFMono-Regular", Menlo, monospace;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: #6B7280;
  margin-bottom: 2px;
}

.page-news .news-filter__btn {
  appearance: none;
  border: 1px solid #D1D5DB;
  background: transparent;
  color: #1C1B1A;
  font-family: "Open Sans", "Noto Sans SC", "Source Han Sans SC", system-ui, sans-serif;
  font-size: 14px;
  padding: 8px 14px;
  border-radius: 999px;
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

.page-news .news-filter__btn:hover,
.page-news .news-filter__btn.is-active {
  background: #FF6B35;
  border-color: #FF6B35;
  color: #FFFFFF;
}

.page-news .news-filter__btn.is-active {
  transform: translateY(-1px);
}

/* 时间轴 */
.page-news .news-timeline {
  margin-top: 6px;
}

.page-news .news-entry {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  padding-bottom: 30px;
}

.page-news .news-entry__body {
  position: relative;
  padding-left: 30px;
}

.page-news .news-entry__body::before {
  content: "";
  position: absolute;
  top: 8px;
  bottom: -36px;
  left: 10px;
  width: 2px;
  background: #D1D5DB;
}

.page-news .news-entry:last-child .news-entry__body::before {
  bottom: 0;
}

.page-news .news-entry__body::after {
  content: "";
  position: absolute;
  top: 5px;
  left: 4px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: #F5F4F0;
  border: 3px solid #FF6B35;
  box-sizing: border-box;
}

.page-news .news-entry--star .news-entry__body::after {
  background: #FFD700;
  border-color: #FFD700;
}

.page-news .news-entry--star h3::before {
  content: "★";
  color: #FFD700;
  margin-right: 8px;
  font-size: 0.9em;
}

.page-news .news-entry__time {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px 10px;
  padding-left: 30px;
}

.page-news .news-entry__date {
  font-family: "Roboto Mono", "SFMono-Regular", Menlo, monospace;
  font-size: 14px;
  color: #6B7280;
  letter-spacing: 0.04em;
}

.page-news .news-entry__ver {
  font-family: "Roboto Mono", "SFMono-Regular", Menlo, monospace;
  font-size: 12px;
  color: #0A1F44;
  background: rgba(10, 31, 68, 0.07);
  padding: 3px 10px;
  border-radius: 999px;
  white-space: nowrap;
}

.page-news .news-entry__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 6px;
}

.page-news .news-tag {
  display: inline-block;
  font-family: "Roboto Mono", "SFMono-Regular", Menlo, monospace;
  font-size: 12px;
  letter-spacing: 0.05em;
  padding: 4px 10px;
  border-radius: 3px;
}

.page-news .news-tag--feature {
  color: #FF6B35;
  background: rgba(255, 107, 53, 0.12);
}

.page-news .news-tag--doc {
  color: #0A1F44;
  background: rgba(10, 31, 68, 0.08);
}

.page-news .news-tag--data {
  color: #B8860B;
  background: rgba(255, 215, 0, 0.18);
}

.page-news .news-tag--service {
  color: #FFFFFF;
  background: #0A1F44;
}

.page-news .news-entry h3 {
  font-family: Georgia, "Times New Roman", "Noto Serif SC", "Source Han Serif SC", serif;
  font-size: clamp(20px, 2.4vw, 28px);
  line-height: 1.2;
  margin: 0 0 8px;
}

.page-news .news-entry p {
  font-size: 15px;
  line-height: 1.7;
  color: #4B5563;
  margin: 0 0 12px;
}

.page-news .news-entry__thumb {
  margin: 8px 0 6px;
  max-width: 360px;
}

.page-news .news-entry .accordion__trigger {
  background: transparent;
  border: none;
  border-bottom: 1px solid #D1D5DB;
  padding: 8px 0;
  font-size: 14px;
  font-weight: 600;
  color: #0A1F44;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: color 0.2s ease;
}

.page-news .news-entry .accordion__trigger:hover {
  color: #FF6B35;
}

.page-news .news-entry .accordion__icon {
  width: 12px;
  height: 12px;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(45deg);
  transition: transform 0.3s ease;
}

.page-news .news-entry .accordion__trigger[aria-expanded="true"] .accordion__icon {
  transform: rotate(225deg);
}

.page-news .news-entry .accordion__inner {
  padding: 8px 0 4px;
}

.page-news .news-entry .accordion__inner p {
  margin-bottom: 0;
}

.page-news .news-loadmore {
  margin-top: 8px;
  text-align: center;
}

/* 版本演进时间线 */
.page-news .news-roadmap {
  background: linear-gradient(135deg, #0A1F44 0%, #07172E 100%);
  color: #FFFFFF;
  padding-top: clamp(48px, 7vw, 88px);
  padding-bottom: clamp(48px, 7vw, 88px);
  margin-top: clamp(8px, 2vw, 20px);
  position: relative;
  overflow: hidden;
}

.page-news .news-roadmap::before {
  content: "";
  position: absolute;
  top: -60px;
  right: -60px;
  width: 240px;
  height: 240px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 107, 53, 0.3), transparent 70%);
  pointer-events: none;
}

.page-news .news-roadmap__head {
  max-width: 620px;
  margin-bottom: clamp(32px, 5vw, 52px);
}

.page-news .news-roadmap__head h2 {
  font-family: Georgia, "Times New Roman", "Noto Serif SC", "Source Han Serif SC", serif;
  font-size: clamp(30px, 4vw, 56px);
  line-height: 1.08;
  margin: 0 0 14px;
}

.page-news .news-roadmap__head p:not(.section-kicker) {
  font-size: 15px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.72);
  margin: 0;
}

.page-news .roadmap {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-news .roadmap__item {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  padding-bottom: 34px;
}

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

.page-news .roadmap__item::before {
  content: "";
  position: absolute;
  top: 8px;
  bottom: -14px;
  left: 8px;
  width: 2px;
  background: rgba(255, 255, 255, 0.22);
}

.page-news .roadmap__item:last-child::before {
  display: none;
}

.page-news .roadmap__item::after {
  content: "";
  position: absolute;
  top: 2px;
  left: 2px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: #FFD700;
  box-shadow: 0 0 0 4px rgba(255, 215, 0, 0.22);
}

.page-news .roadmap__year {
  font-family: "Roboto Mono", "SFMono-Regular", Menlo, monospace;
  font-size: clamp(20px, 3vw, 28px);
  font-weight: 700;
  color: #FFD700;
  padding-left: 32px;
}

.page-news .roadmap__card {
  margin-left: 32px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  padding: 18px 20px;
  border-radius: 4px;
  transition: background 0.3s ease, transform 0.3s ease;
}

.page-news .roadmap__card:hover {
  background: rgba(255, 255, 255, 0.1);
  transform: translateX(4px);
}

.page-news .roadmap__card h3 {
  font-family: Georgia, "Times New Roman", "Noto Serif SC", "Source Han Serif SC", serif;
  font-size: clamp(18px, 2.2vw, 24px);
  margin: 0 0 8px;
  color: #FFFFFF;
}

.page-news .roadmap__card p {
  font-size: 14px;
  line-height: 1.65;
  color: rgba(255, 255, 255, 0.72);
  margin: 0 0 10px;
}

.page-news .roadmap__card p:last-child {
  margin-bottom: 0;
}

.page-news .roadmap__card .btn {
  margin-top: 4px;
}

/* 专题：帮助文档测试版图解 */
.page-news .news-feature {
  padding-top: clamp(48px, 7vw, 88px);
  padding-bottom: clamp(48px, 7vw, 88px);
}

.page-news .news-feature__grid {
  gap: 32px;
}

.page-news .news-feature__content h2 {
  font-family: Georgia, "Times New Roman", "Noto Serif SC", "Source Han Serif SC", serif;
  font-size: clamp(30px, 4vw, 56px);
  line-height: 1.08;
  margin: 0 0 18px;
}

.page-news .news-feature__content > p {
  font-size: 15px;
  line-height: 1.75;
  color: #4B5563;
  margin: 0 0 18px;
}

.page-news .doc-topics {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin: 22px 0 24px;
}

.page-news .doc-topic {
  background: rgba(10, 31, 68, 0.05);
  border: 1px solid #D1D5DB;
  border-radius: 4px;
  padding: 14px 8px;
  text-align: center;
  transition: background 0.25s ease, transform 0.25s ease;
}

.page-news .doc-topic:hover {
  background: rgba(255, 107, 53, 0.08);
  transform: translateY(-2px);
}

.page-news .doc-topic__num {
  display: block;
  font-family: "Roboto Mono", "SFMono-Regular", Menlo, monospace;
  font-size: clamp(24px, 3vw, 34px);
  font-weight: 700;
  color: #FF6B35;
  line-height: 1.2;
}

.page-news .doc-topic__label {
  display: block;
  font-size: 13px;
  color: #1C1B1A;
  margin-top: 4px;
}

.page-news .news-feature__media {
  align-self: center;
}

/* 数据更新节奏 */
.page-news .news-data {
  padding-top: clamp(48px, 7vw, 88px);
  padding-bottom: clamp(48px, 7vw, 88px);
  border-top: 1px solid #D1D5DB;
  position: relative;
}

.page-news .news-data::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  width: 180px;
  height: 5px;
  background: #FF6B35;
}

.page-news .news-data__grid {
  gap: 32px;
}

.page-news .news-data__media {
  align-self: center;
}

.page-news .news-data__content h2 {
  font-family: Georgia, "Times New Roman", "Noto Serif SC", "Source Han Serif SC", serif;
  font-size: clamp(30px, 4vw, 56px);
  line-height: 1.08;
  margin: 0 0 18px;
}

.page-news .news-data__content > p {
  font-size: 15px;
  line-height: 1.75;
  color: #4B5563;
  margin: 0 0 20px;
}

.page-news .data-schedule {
  display: grid;
  gap: 12px;
  margin: 22px 0 24px;
}

.page-news .data-schedule__item {
  border-left: 4px solid #0A1F44;
  background: rgba(10, 31, 68, 0.04);
  padding: 14px 18px;
  border-radius: 0 4px 4px 0;
}

.page-news .data-schedule__day {
  display: block;
  font-family: "Roboto Mono", "SFMono-Regular", Menlo, monospace;
  font-size: 16px;
  font-weight: 700;
  color: #0A1F44;
  margin-bottom: 4px;
}

.page-news .data-schedule__desc {
  display: block;
  font-size: 14px;
  line-height: 1.6;
  color: #4B5563;
}

/* 订阅动态 */
.page-news .news-subscribe {
  padding-top: 0;
  padding-bottom: clamp(48px, 7vw, 88px);
}

.page-news .subscribe-panel {
  background: linear-gradient(135deg, #0A1F44 0%, #07172E 100%);
  border-radius: 6px;
  padding: clamp(28px, 5vw, 52px);
  display: grid;
  gap: 26px;
  align-items: center;
  color: #FFFFFF;
  position: relative;
  overflow: hidden;
}

.page-news .subscribe-panel::after {
  content: "";
  position: absolute;
  right: -80px;
  bottom: -80px;
  width: 240px;
  height: 240px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 107, 53, 0.3), transparent 70%);
  pointer-events: none;
}

.page-news .subscribe-panel__text h2 {
  font-family: Georgia, "Times New Roman", "Noto Serif SC", "Source Han Serif SC", serif;
  font-size: clamp(28px, 4vw, 44px);
  line-height: 1.1;
  margin: 0 0 12px;
}

.page-news .subscribe-panel__text p {
  font-size: 15px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.78);
  margin: 0;
}

.page-news .subscribe-panel__text a {
  color: #FFD700;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-news .subscribe-panel__text a:hover {
  color: #FF8C5A;
}

.page-news .subscribe-panel__action {
  justify-self: start;
  white-space: nowrap;
}

/* 桌面端增强 */
@media (min-width: 760px) {

  .page-news .news-hero__grid {
    grid-template-columns: 180px 1fr;
    gap: 32px;
  }

  .page-news .news-hero__aside {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
    padding-top: 12px;
  }

  .page-news .news-hero__tick {
    display: none;
  }

  .page-news .news-entry {
    grid-template-columns: 110px 1fr;
    gap: 0 24px;
    padding-bottom: 34px;
  }

  .page-news .news-entry__time {
    flex-direction: column;
    align-items: flex-end;
    justify-content: flex-start;
    text-align: right;
    padding-left: 0;
    padding-top: 6px;
  }

  .page-news .news-entry__body {
    padding-left: 34px;
  }

  .page-news .news-entry__body::before {
    left: 11px;
  }

  .page-news .news-entry__body::after {
    left: 5px;
  }

  .page-news .roadmap__item {
    grid-template-columns: 110px 28px 1fr;
    gap: 0 20px;
    padding-bottom: 38px;
  }

  .page-news .roadmap__item::before {
    left: 124px;
    bottom: -18px;
  }

  .page-news .roadmap__item::after {
    left: 118px;
  }

  .page-news .roadmap__year {
    text-align: right;
    padding-left: 0;
    padding-top: 2px;
  }

  .page-news .roadmap__card {
    margin-left: 0;
  }

  .page-news .subscribe-panel {
    grid-template-columns: 1fr auto;
  }

}