.page-news {
  --news-card-shadow: 0 1px 2px rgba(10, 20, 30, 0.05), 0 10px 28px rgba(10, 20, 30, 0.07);
  --news-ink-line: linear-gradient(180deg, var(--deep-navy) 0 4px, var(--brand-orange) 4px 6px);
  background: var(--bg-body);
  color: var(--text-primary);
}

.page-news .container {
  max-width: var(--container-w);
}

/* ===== 首屏区域 ===== */
.page-news .news-hero {
  position: relative;
  background: linear-gradient(180deg, var(--warm-sand) 0%, var(--paper-white) 100%);
  border-bottom: 0;
}

.page-news .news-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 6px;
  background: var(--news-ink-line);
  pointer-events: none;
}

.page-news .news-hero .breadcrumb {
  padding: 24px 0 0;
  margin: 0;
}

.page-news .breadcrumb-sep {
  margin: 0 8px;
  color: var(--slate-gray);
  font-family: var(--font-mono);
  font-size: 13px;
}

.page-news .news-hero .breadcrumb-item {
  color: var(--slate-gray);
  text-decoration: none;
  font-size: 14px;
}

.page-news .news-hero .breadcrumb-item[aria-current="page"] {
  color: var(--deep-navy);
  font-weight: 600;
}

.page-news .news-hero-grid {
  display: grid;
  gap: 28px;
  padding: 36px 0 52px;
}

.page-news .news-hero-text {
  min-width: 0;
}

.page-news .news-update-tag {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  background: var(--brand-orange);
  color: var(--white);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.05em;
  padding: 7px 15px 7px 11px;
  border-radius: 999px;
  box-shadow: 0 4px 16px rgba(255, 107, 53, 0.35);
}

.page-news .news-update-tag::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--white);
  animation: newsPulse 2s infinite ease-in-out;
}

@keyframes newsPulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.45); opacity: 0.7; }
}

.page-news .news-hero-title {
  font-family: var(--font-display);
  font-size: clamp(32px, 5.6vw, 58px);
  line-height: 1.1;
  letter-spacing: -0.015em;
  color: var(--deep-navy);
  margin: 18px 0 16px;
  max-width: 13em;
}

.page-news .news-hero-desc {
  font-size: 16px;
  line-height: 1.8;
  color: var(--slate-gray);
  max-width: 46em;
  margin-bottom: 26px;
}

.page-news .news-hero-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-news .news-hero-links .btn {
  padding: 12px 22px;
  font-weight: 600;
}

.page-news .news-hero-media {
  min-width: 0;
}

.page-news .news-hero-img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--radius);
  box-shadow: 0 18px 44px rgba(10, 20, 30, 0.14);
}

/* ===== 正文布局 ===== */
.page-news .news-body-wrap {
  padding-top: 48px;
  padding-bottom: 72px;
}

.page-news .news-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
}

.page-news .news-sidebar {
  min-width: 0;
}

.page-news .news-sidebar-inner {
  background: var(--white);
  padding: 24px;
  border-left: 4px solid var(--brand-orange);
  box-shadow: var(--news-card-shadow);
}

.page-news .news-sidebar-kicker {
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--tibetan-red);
  text-transform: uppercase;
  font-weight: 700;
  margin-bottom: 12px;
}

.page-news .news-sidebar-nav {
  display: grid;
  gap: 4px;
}

.page-news .news-sidebar-link {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--deep-navy);
  text-decoration: none;
  font-size: 15px;
  font-weight: 600;
  padding: 11px 0;
  border-bottom: 1px solid rgba(26, 42, 58, 0.08);
  transition: color var(--t-fast);
}

.page-news .news-sidebar-link::before {
  content: "→";
  color: var(--brand-orange);
  font-family: var(--font-mono);
  font-size: 13px;
  flex-shrink: 0;
}

.page-news .news-sidebar-link:hover {
  color: var(--brand-orange);
}

.page-news .news-sidebar-rule {
  border: 0;
  border-top: 1px solid rgba(26, 42, 58, 0.12);
  margin: 22px 0;
}

.page-news .news-sidebar-note {
  font-size: 13px;
  line-height: 1.75;
  color: var(--text-secondary);
}

.page-news .news-sidebar-cta {
  margin-top: 18px;
  width: 100%;
}

.page-news .news-main {
  min-width: 0;
  display: grid;
  gap: 64px;
}

/* ===== 章节标题 ===== */
.page-news .news-section {
  scroll-margin-top: 88px;
  min-width: 0;
}

.page-news .news-section .section-heading {
  display: flex;
  align-items: baseline;
  gap: 14px;
  border-bottom: 2px solid var(--deep-navy);
  padding-bottom: 12px;
  margin-bottom: 12px;
}

.page-news .news-section .section-index {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--tibetan-red);
  font-weight: 700;
}

.page-news .news-section .section-title {
  font-family: var(--font-display);
  font-size: clamp(24px, 3vw, 32px);
  color: var(--deep-navy);
  font-weight: 800;
  letter-spacing: -0.01em;
}

.page-news .news-section-desc {
  color: var(--text-secondary);
  font-size: 15px;
  line-height: 1.7;
  margin-bottom: 24px;
}

/* ===== 标签页筛选 ===== */
.page-news .news-tabs-bar {
  display: flex;
  flex-wrap: nowrap;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  gap: 8px;
  margin-bottom: 20px;
  padding-bottom: 4px;
}

.page-news .news-tab-trigger {
  appearance: none;
  border: 1px solid rgba(26, 42, 58, 0.22);
  background: transparent;
  padding: 8px 17px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-secondary);
  border-radius: 999px;
  cursor: pointer;
  transition: background var(--t-fast), color var(--t-fast), border-color var(--t-fast);
  font-family: var(--font-body);
  white-space: nowrap;
}

.page-news .news-tab-trigger[aria-selected="true"] {
  background: var(--deep-navy);
  color: var(--white);
  border-color: var(--deep-navy);
}

.page-news .news-tab-trigger:hover {
  border-color: var(--brand-orange);
  color: var(--brand-orange);
}

.page-news .news-tab-trigger[aria-selected="true"]:hover {
  color: var(--white);
  border-color: var(--deep-navy);
}

.page-news .tab-panel.news-panel {
  padding: 0;
}

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

/* ===== 日志卡片 ===== */
.page-news .news-log-card {
  background: var(--white);
  box-shadow: var(--news-card-shadow);
  padding: 24px;
  margin-bottom: 24px;
  border-left: 3px solid var(--brand-orange);
  min-width: 0;
}

.page-news .news-log-card:nth-child(odd) {
  border-left-color: var(--brand-orange);
}

.page-news .news-log-card:nth-child(even) {
  border-left-color: var(--morning-gold);
}

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

.page-news .news-log-tag {
  background: var(--tibetan-red);
  color: var(--white);
  font-size: 12px;
  padding: 4px 12px;
  border-radius: 999px;
  letter-spacing: 0.06em;
  font-weight: 700;
  border: 0;
}

.page-news .news-log-time {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--text-secondary);
}

.page-news .news-log-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--deep-navy);
  line-height: 1.35;
  margin-bottom: 6px;
}

.page-news .news-log-summary {
  color: var(--slate-gray);
  font-size: 15px;
  line-height: 1.7;
  margin-bottom: 12px;
}

.page-news .news-log-body {
  border-top: 1px dashed rgba(26, 42, 58, 0.16);
  padding-top: 12px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--text-primary);
}

.page-news .news-log-body p {
  margin-bottom: 12px;
}

.page-news .news-log-img {
  display: block;
  width: 100%;
  max-width: 600px;
  height: auto;
  border-radius: var(--radius);
  margin-top: 12px;
  box-shadow: 0 8px 22px rgba(10, 20, 30, 0.1);
}

.page-news .news-log-more {
  display: inline-block;
  margin-top: 4px;
  color: var(--brand-orange);
  font-weight: 600;
  text-decoration: none;
  transition: color var(--t-fast);
}

.page-news .news-log-more:hover {
  color: var(--tibetan-red);
}

.page-news .news-save-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 16px;
}

.page-news .news-save-btn {
  padding: 8px 15px;
  border: 1px solid var(--morning-gold);
  background: transparent;
  color: var(--deep-navy);
  border-radius: 999px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 13px;
  font-weight: 600;
  font-family: var(--font-body);
  transition: background var(--t-fast), color var(--t-fast), border-color var(--t-fast);
}

.page-news .news-save-btn::before {
  content: "☆";
  font-size: 15px;
  color: var(--morning-gold);
  line-height: 1;
}

.page-news .news-save-btn:hover {
  background: var(--morning-gold);
  border-color: var(--morning-gold);
  color: var(--deep-navy);
}

.page-news .news-save-hint {
  font-size: 12px;
  color: var(--text-secondary);
}

/* ===== 分类精简日志 ===== */
.page-news .news-mini-log {
  background: var(--white);
  box-shadow: var(--news-card-shadow);
  padding: 20px 24px;
  margin-bottom: 16px;
  border-left: 3px solid var(--morning-gold);
}

.page-news .news-mini-title {
  font-size: 17px;
  font-weight: 700;
  color: var(--deep-navy);
  line-height: 1.4;
  margin-bottom: 4px;
}

.page-news .news-mini-summary {
  font-size: 14px;
  line-height: 1.65;
  color: var(--text-secondary);
}

/* ===== 使用技巧 ===== */
.page-news .news-section--tips {
  background: linear-gradient(180deg, var(--warm-sand) 0%, rgba(247, 232, 208, 0.45) 100%);
  padding: 24px 20px;
  border-left: 4px solid var(--morning-gold);
}

.page-news .news-tips-media {
  margin: 0 0 20px;
}

.page-news .news-tips-media img {
  display: block;
  width: 100%;
  max-width: 480px;
  height: auto;
  border-radius: var(--radius);
  box-shadow: var(--news-card-shadow);
}

.page-news .news-accordion {
  border-top: 2px solid var(--deep-navy);
}

.page-news .news-accordion-item {
  border-bottom: 1px solid rgba(26, 42, 58, 0.12);
}

.page-news .news-accordion-heading {
  margin: 0;
  font-size: inherit;
}

.page-news .news-accordion-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 18px 4px;
  background: transparent;
  border: 0;
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 700;
  color: var(--deep-navy);
  text-align: left;
  cursor: pointer;
}

.page-news .news-accordion-label {
  line-height: 1.5;
}

.page-news .news-accordion-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  position: relative;
  border: 2px solid var(--brand-orange);
  border-radius: 50%;
  transition: transform var(--t-fast), background var(--t-fast);
}

.page-news .news-accordion-icon::before,
.page-news .news-accordion-icon::after {
  content: "";
  position: absolute;
  background: var(--brand-orange);
  transition: background var(--t-fast);
}

.page-news .news-accordion-icon::before {
  top: 7px;
  left: 3px;
  width: 10px;
  height: 2px;
}

.page-news .news-accordion-icon::after {
  top: 3px;
  left: 7px;
  width: 2px;
  height: 10px;
}

.page-news .news-accordion-trigger[aria-expanded="true"] .news-accordion-icon {
  background: var(--brand-orange);
  transform: rotate(135deg);
}

.page-news .news-accordion-trigger[aria-expanded="true"] .news-accordion-icon::before,
.page-news .news-accordion-trigger[aria-expanded="true"] .news-accordion-icon::after {
  background: var(--white);
}

.page-news .accordion-panel[data-accordion-panel] {
  display: grid;
  grid-template-rows: 1fr;
  transition: grid-template-rows var(--t-slow);
}

.page-news .accordion-panel[data-accordion-panel]:not([data-open]) {
  grid-template-rows: 0fr;
}

.page-news .news-panel-inner {
  overflow: hidden;
  min-height: 0;
  padding: 0 4px 18px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-secondary);
}

.page-news .news-inline-link {
  color: var(--brand-orange);
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-news .news-inline-link:hover {
  color: var(--tibetan-red);
}

/* ===== 往期专题 ===== */
.page-news .news-topic-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

.page-news .news-topic-card {
  background: var(--white);
  box-shadow: var(--news-card-shadow);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  min-width: 0;
}

.page-news .news-topic-cover {
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--deep-navy);
}

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

.page-news .news-topic-cover--plain {
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--deep-navy) 0%, var(--deep-ocean) 100%);
}

.page-news .news-topic-monogram {
  font-family: var(--font-display);
  font-size: 26px;
  font-weight: 600;
  color: var(--warm-sand);
  letter-spacing: 0.14em;
  border: 2px solid var(--morning-gold);
  padding: 12px 20px;
}

.page-news .news-topic-info {
  padding: 20px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 6px;
  min-width: 0;
}

.page-news .news-topic-title {
  font-size: 18px;
  line-height: 1.4;
  font-weight: 700;
  color: var(--deep-navy);
}

.page-news .news-topic-summary {
  font-size: 14px;
  line-height: 1.65;
  color: var(--text-secondary);
  margin-bottom: 4px;
}

.page-news .news-topic-more {
  margin-top: 6px;
  background: transparent;
  border: 0;
  padding: 4px 0;
  color: var(--brand-orange);
  font-weight: 700;
  font-size: 14px;
  font-family: var(--font-body);
  cursor: pointer;
}

.page-news .news-topic-more:hover {
  color: var(--tibetan-red);
}

.page-news .news-topic-more-close {
  display: none;
}

.page-news .news-topic-more[aria-expanded="true"] .news-topic-more-open {
  display: inline;
}

.page-news .news-topic-more[aria-expanded="true"] .news-topic-more-close {
  display: none;
}

.page-news .news-topic-more[aria-expanded="false"] .news-topic-more-open {
  display: none;
}

.page-news .news-topic-more[aria-expanded="false"] .news-topic-more-close {
  display: inline;
}

.page-news .news-topic-info .accordion-panel[data-accordion-panel] {
  min-height: 0;
  flex-shrink: 1;
}

.page-news .news-topic-info .news-panel-inner {
  padding: 6px 0 0;
  font-size: 14px;
}

/* ===== 桌面端响应式 ===== */
@media (min-width: 768px) {
  .page-news .news-hero-grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    align-items: center;
    gap: 40px;
    padding: 56px 0 68px;
  }

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

@media (min-width: 900px) {
  .page-news .news-body-wrap {
    padding-top: 56px;
  }

  .page-news .news-layout {
    grid-template-columns: minmax(0, 5fr) minmax(0, 9fr);
    gap: 56px;
    align-items: start;
  }

  .page-news .news-sidebar-inner {
    position: sticky;
    top: calc(var(--header-h) + 24px);
  }

  .page-news .news-tabs-bar {
    flex-wrap: wrap;
    overflow: visible;
  }

  .page-news .news-main {
    gap: 80px;
  }

  .page-news .news-log-card {
    padding: 28px 30px;
    margin-bottom: 28px;
    position: relative;
    margin-left: 28px;
  }

  .page-news .news-log-card::before {
    content: "";
    position: absolute;
    left: -28px;
    top: 30px;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--brand-orange);
    box-shadow: 0 0 0 4px rgba(255, 107, 53, 0.18);
  }

  .page-news .news-log-card::after {
    content: "";
    position: absolute;
    left: -23px;
    top: 42px;
    width: 2px;
    height: calc(100% + 8px);
    background: repeating-linear-gradient(
      to bottom,
      rgba(26, 42, 58, 0.22) 0,
      rgba(26, 42, 58, 0.22) 5px,
      transparent 5px,
      transparent 10px
    );
  }

  .page-news .news-log-card:last-child::after {
    display: none;
  }
}

@media (min-width: 1200px) {
  .page-news .news-hero-grid {
    gap: 64px;
  }

  .page-news .news-hero-title {
    font-size: 64px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .news-update-tag::before {
    animation: none;
  }

  .page-news .accordion-panel[data-accordion-panel],
  .page-news .news-accordion-icon,
  .page-news .news-log-more,
  .page-news .news-log-card {
    transition: none;
  }
}