.page-news {
  --news-cut: 18px;
  --news-line: rgba(185, 195, 214, 0.22);
  --news-line-strong: rgba(185, 195, 214, 0.4);
  --news-panel: linear-gradient(180deg, rgba(24, 42, 77, 0.72), rgba(14, 27, 51, 0.34));
}

.page-news *,
.page-news *::before,
.page-news *::after {
  box-sizing: border-box;
}

/* ---------- 面包屑 ---------- */
.page-news .breadcrumb {
  margin-top: 20px;
  font-size: var(--fs-small);
  color: var(--c-gray);
}

.page-news .breadcrumb a {
  color: var(--c-gray);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-news .breadcrumb a:hover,
.page-news .breadcrumb a:focus-visible {
  color: var(--c-orange);
  border-bottom-color: var(--c-orange);
}

.page-news .breadcrumb-sep {
  margin: 0 8px;
  color: var(--c-ink-3);
}

.page-news .breadcrumb [aria-current="page"] {
  color: var(--c-white);
}

/* ---------- 首屏框景 ---------- */
.page-news .hero-frame {
  position: relative;
  border: 1px solid var(--news-line);
  background:
    radial-gradient(120% 90% at 88% 8%, rgba(255, 122, 61, 0.14), transparent 58%),
    radial-gradient(90% 70% at 6% 96%, rgba(63, 191, 159, 0.1), transparent 60%),
    var(--c-ink);
  padding: 36px 20px 34px;
}

.page-news .hero-frame::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 22px;
  width: 46px;
  height: 2px;
  background: var(--c-sand);
}

.page-news .hero-frame::after {
  content: "";
  position: absolute;
  bottom: -1px;
  right: 22px;
  width: 60px;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--c-orange));
}

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

.page-news .hero-copy h1 {
  margin: 14px 0 0;
  font-family: var(--font-title);
  font-weight: 700;
  font-size: clamp(30px, 7vw, 54px);
  line-height: 1.22;
  letter-spacing: 0.01em;
  color: var(--c-white);
}

.page-news .hero-lead {
  margin: 20px 0 0;
  max-width: 46ch;
  font-size: var(--fs-body);
  line-height: var(--lh-body);
  color: var(--c-gray);
}

.page-news .hero-copy .status {
  margin: 22px 0 0;
}

.page-news .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-news .hero-media {
  position: relative;
  display: block;
  margin: 0;
  border: 1px solid var(--news-line);
  overflow: hidden;
  clip-path: polygon(0 0, calc(100% - var(--news-cut)) 0, 100% var(--news-cut), 100% 100%, var(--news-cut) 100%, 0 calc(100% - var(--news-cut)));
}

.page-news .hero-media img {
  display: block;
  width: 100%;
  height: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.page-news .hero-media .media-caption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  margin: 0;
  padding: 26px 16px 12px;
  font-family: var(--font-mono);
  font-size: var(--fs-index);
  letter-spacing: 0.04em;
  color: var(--c-gray);
  background: linear-gradient(180deg, transparent, rgba(14, 27, 51, 0.92));
}

/* ---------- 三条主线 ---------- */
.page-news .track-band {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--news-line);
}

.page-news .track {
  position: relative;
  display: grid;
  grid-template-columns: 52px 1fr;
  gap: 6px 16px;
  padding: 24px 0 26px;
  border-bottom: 1px solid var(--news-line);
}

.page-news .track::before {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 40%;
  height: 1px;
  background: linear-gradient(90deg, var(--c-orange), transparent);
  opacity: 0.55;
  transition: width var(--dur-slow) var(--ease), opacity var(--dur) var(--ease);
}

.page-news .track:hover::before,
.page-news .track:focus-within::before {
  width: 100%;
  opacity: 1;
}

.page-news .track-num {
  grid-row: span 3;
  font-size: var(--fs-index);
  letter-spacing: 0.12em;
  color: var(--c-sand);
  padding-top: 4px;
}

.page-news .track-title {
  margin: 0;
  font-family: var(--font-title);
  font-weight: 700;
  font-size: var(--fs-h3);
  color: var(--c-white);
}

.page-news .track-text {
  margin: 0;
  font-size: var(--fs-small);
  line-height: 1.7;
  color: var(--c-gray);
  max-width: 40ch;
}

.page-news .track-link {
  margin-top: 8px;
  align-self: start;
  font-size: var(--fs-small);
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--c-orange);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 122, 61, 0.4);
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

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

/* ---------- 本期栏目调整 ---------- */
.page-news .shift-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 18px;
}

.page-news .shift {
  position: relative;
  padding: 22px 20px 22px 22px;
  background: var(--news-panel);
  border-left: 2px solid var(--c-sand);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--news-cut)), calc(100% - var(--news-cut)) 100%, 0 100%);
  transition: transform var(--dur-slow) var(--ease), border-left-color var(--dur) var(--ease);
}

.page-news .shift:hover {
  transform: translateY(-3px);
  border-left-color: var(--c-orange);
}

.page-news .shift-head {
  display: flex;
  align-items: baseline;
  gap: 12px;
}

.page-news .shift-index {
  font-size: var(--fs-index);
  letter-spacing: 0.12em;
  color: var(--c-sand);
}

.page-news .shift-name {
  margin: 0;
  font-family: var(--font-title);
  font-weight: 700;
  font-size: var(--fs-h3);
  color: var(--c-white);
}

.page-news .shift-grid {
  display: grid;
  gap: 12px;
  margin-top: 16px;
}

.page-news .shift-from,
.page-news .shift-to {
  margin: 0;
  font-size: var(--fs-small);
  line-height: 1.72;
  padding-left: 14px;
  position: relative;
}

.page-news .shift-from {
  color: rgba(185, 195, 214, 0.78);
}

.page-news .shift-to {
  color: var(--c-white);
}

.page-news .shift-from::before,
.page-news .shift-to::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.75em;
  width: 7px;
  height: 1px;
}

.page-news .shift-from::before {
  background: var(--c-ink-3);
}

.page-news .shift-to::before {
  background: var(--c-orange);
}

.page-news .shift-label {
  display: inline-block;
  margin-right: 8px;
  font-size: var(--fs-index);
  letter-spacing: 0.1em;
}

.page-news .shift-from .shift-label {
  color: var(--c-ink-3);
}

.page-news .shift-to .shift-label {
  color: var(--c-orange);
}

.page-news .shift-why {
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: 1px dashed var(--news-line);
  font-size: var(--fs-small);
  line-height: 1.7;
  color: var(--c-sand);
}

/* ---------- 费用周期 ---------- */
.page-news .cycle-layout {
  display: grid;
  gap: 28px;
}

.page-news .change-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 20px;
}

.page-news .change {
  display: grid;
  gap: 8px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--news-line);
}

.page-news .change-num {
  font-size: var(--fs-index);
  letter-spacing: 0.16em;
  color: var(--c-jade);
}

.page-news .change p {
  margin: 0;
  font-size: var(--fs-body);
  line-height: var(--lh-body);
  color: var(--c-gray);
}

.page-news .change strong {
  color: var(--c-white);
  font-weight: 600;
}

.page-news .cycle-locate {
  margin: 22px 0 0;
  padding: 16px 18px;
  font-size: var(--fs-small);
  line-height: 1.75;
  color: var(--c-gray);
  background: rgba(44, 62, 99, 0.32);
  border-left: 2px solid var(--c-orange);
}

.page-news .cycle-locate .mono {
  display: inline-block;
  margin-right: 10px;
  font-size: var(--fs-index);
  letter-spacing: 0.12em;
  color: var(--c-orange);
}

.page-news .cycle-locate a,
.page-news .help-tail a {
  color: var(--c-sand);
  text-decoration: none;
  border-bottom: 1px solid rgba(227, 180, 92, 0.42);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-news .cycle-locate a:hover,
.page-news .cycle-locate a:focus-visible,
.page-news .help-tail a:hover,
.page-news .help-tail a:focus-visible {
  color: var(--c-orange);
  border-bottom-color: var(--c-orange);
}

.page-news .cycle-media {
  position: relative;
  margin: 0;
  border: 1px solid var(--news-line);
  overflow: hidden;
  clip-path: polygon(var(--news-cut) 0, 100% 0, 100% 100%, 0 100%, 0 var(--news-cut));
}

.page-news .cycle-media img {
  display: block;
  width: 100%;
  height: 100%;
  aspect-ratio: 12 / 5;
  object-fit: cover;
}

.page-news .cycle-media .media-caption {
  margin: 0;
  padding: 12px 16px 14px;
  font-family: var(--font-mono);
  font-size: var(--fs-index);
  letter-spacing: 0.03em;
  color: var(--c-gray);
  background: rgba(14, 27, 51, 0.86);
}

/* ---------- 资料库修订 ---------- */
.page-news .library-band {
  position: relative;
  margin: 0 0 26px;
  border: 1px solid var(--news-line);
  overflow: hidden;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--news-cut)), calc(100% - var(--news-cut)) 100%, 0 100%);
}

.page-news .library-band img {
  display: block;
  width: 100%;
  height: 100%;
  aspect-ratio: 14 / 5;
  object-fit: cover;
}

.page-news .library-band .media-caption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  margin: 0;
  padding: 24px 16px 12px;
  font-family: var(--font-mono);
  font-size: var(--fs-index);
  color: var(--c-gray);
  background: linear-gradient(180deg, transparent, rgba(14, 27, 51, 0.92));
}

.page-news .shelf-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-news .shelf {
  padding: 20px 18px;
  background: var(--news-panel);
  border: 1px solid var(--news-line);
  clip-path: polygon(0 0, calc(100% - var(--news-cut)) 0, 100% var(--news-cut), 100% 100%, 0 100%);
  transition: border-color var(--dur) var(--ease), transform var(--dur-slow) var(--ease);
}

.page-news .shelf:hover {
  border-color: rgba(227, 180, 92, 0.5);
  transform: translateY(-3px);
}

.page-news .shelf-name {
  margin: 0;
  font-family: var(--font-title);
  font-weight: 700;
  font-size: 18px;
  color: var(--c-white);
}

.page-news .shelf-note {
  margin: 8px 0 0;
  font-size: var(--fs-index);
  letter-spacing: 0.06em;
  color: var(--c-sand);
}

.page-news .shelf-text {
  margin: 12px 0 0;
  font-size: var(--fs-small);
  line-height: 1.72;
  color: var(--c-gray);
}

/* ---------- 帮助中心 ---------- */
.page-news .help-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
  counter-reset: help;
}

.page-news .help-step {
  display: grid;
  grid-template-columns: 46px 1fr;
  gap: 14px;
  align-items: start;
  padding: 20px 18px;
  background: rgba(24, 42, 77, 0.4);
  border-left: 1px solid var(--news-line);
  transition: background var(--dur) var(--ease), border-left-color var(--dur) var(--ease);
}

.page-news .help-step:nth-child(odd) {
  background: rgba(24, 42, 77, 0.62);
}

.page-news .help-step:hover,
.page-news .help-step:focus-within {
  background: rgba(24, 42, 77, 0.9);
  border-left-color: var(--c-orange);
}

.page-news .step-num {
  font-size: var(--fs-index);
  letter-spacing: 0.12em;
  color: var(--c-sand);
  padding-top: 4px;
}

.page-news .step-body h3 {
  margin: 0;
  font-family: var(--font-title);
  font-weight: 700;
  font-size: 17px;
  color: var(--c-white);
}

.page-news .step-body p {
  margin: 8px 0 0;
  font-size: var(--fs-small);
  line-height: 1.72;
  color: var(--c-gray);
}

.page-news .help-tail {
  margin: 22px 0 0;
  font-size: var(--fs-small);
  line-height: 1.75;
  color: var(--c-gray);
}

/* ---------- 长期专题 ---------- */
.page-news .tablist {
  position: relative;
  display: flex;
  gap: 4px;
  overflow-x: auto;
  border-bottom: 1px solid var(--news-line);
  scrollbar-width: none;
}

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

.page-news .tab {
  flex: 0 0 auto;
  padding: 12px 16px;
  font-family: var(--font-body);
  font-size: var(--fs-small);
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--c-gray);
  background: transparent;
  border: 0;
  cursor: pointer;
  transition: color var(--dur) var(--ease);
}

.page-news .tab[aria-selected="true"] {
  color: var(--c-orange);
}

.page-news .tab:hover {
  color: var(--c-white);
}

.page-news .tabs-indicator {
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 0;
  height: 2px;
  background: var(--c-orange);
  transition: transform var(--dur-slow) var(--ease), width var(--dur-slow) var(--ease);
}

.page-news .tab-panels {
  padding-top: 26px;
}

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

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

.page-news .topic {
  position: relative;
  padding: 20px 18px 20px 22px;
  background: var(--c-ink-2);
  border: 1px solid var(--news-line);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--news-cut)), calc(100% - var(--news-cut)) 100%, 0 100%);
}

.page-news .topic::before {
  content: "";
  position: absolute;
  left: 0;
  top: 20px;
  bottom: 20px;
  width: 2px;
  background: linear-gradient(180deg, var(--c-jade), transparent);
}

.page-news .topic-name {
  margin: 0;
  font-family: var(--font-title);
  font-weight: 700;
  font-size: 17px;
  color: var(--c-white);
}

.page-news .topic-text {
  margin: 10px 0 0;
  font-size: var(--fs-small);
  line-height: 1.75;
  color: var(--c-gray);
}

/* ---------- 动态列表 ---------- */
.page-news .feed-band {
  position: relative;
  margin: 0 0 8px;
  border: 1px solid var(--news-line);
  overflow: hidden;
}

.page-news .feed-band img {
  display: block;
  width: 100%;
  height: 100%;
  aspect-ratio: 18 / 3;
  object-fit: cover;
}

.page-news .feed-band .media-caption {
  position: absolute;
  right: 14px;
  bottom: 8px;
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--fs-index);
  letter-spacing: 0.06em;
  color: var(--c-gray);
}

.page-news .feed-divider {
  display: flex;
  align-items: center;
  gap: 14px;
  margin: 30px 0 4px;
}

.page-news .feed-divider .mono {
  font-size: var(--fs-index);
  letter-spacing: 0.18em;
  color: var(--c-sand);
  flex: 0 0 auto;
}

.page-news .feed-divider::after {
  content: "";
  flex: 1 1 auto;
  height: 1px;
  background: linear-gradient(90deg, var(--c-sand), transparent);
  opacity: 0.6;
}

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

.page-news .feed-entry {
  position: relative;
  border-bottom: 1px solid var(--news-line);
  padding-left: 0;
  transition: padding-left var(--dur) var(--ease);
}

.page-news .feed-entry::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--c-orange), rgba(255, 122, 61, 0));
  transform: scaleY(0);
  transform-origin: top;
  transition: transform var(--dur-slow) var(--ease);
}

.page-news .feed-entry:hover::before,
.page-news .feed-entry:focus-within::before,
.page-news .feed-entry[open]::before {
  transform: scaleY(1);
}

.page-news .feed-entry > summary {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 12px;
  padding: 18px 8px 18px 14px;
  cursor: pointer;
  list-style: none;
  transition: background var(--dur) var(--ease), padding-left var(--dur) var(--ease);
}

.page-news .feed-entry > summary::-webkit-details-marker {
  display: none;
}

.page-news .feed-entry > summary:hover,
.page-news .feed-entry > summary:focus-visible {
  background: rgba(24, 42, 77, 0.5);
  padding-left: 20px;
}

.page-news .feed-num {
  flex: 0 0 auto;
  font-size: var(--fs-index);
  letter-spacing: 0.1em;
  color: var(--c-sand);
}

.page-news .feed-num::after {
  content: " +";
  color: var(--c-orange);
}

.page-news .feed-entry[open] .feed-num::after {
  content: " −";
}

.page-news .feed-title {
  flex: 1 1 220px;
  font-family: var(--font-title);
  font-weight: 700;
  font-size: 17px;
  line-height: 1.5;
  color: var(--c-white);
}

.page-news .feed-tag {
  flex: 0 0 auto;
  padding: 2px 10px;
  font-size: var(--fs-index);
  letter-spacing: 0.06em;
  color: var(--c-jade);
  border: 1px solid rgba(63, 191, 159, 0.5);
  border-radius: 999px;
  white-space: nowrap;
}

.page-news .feed-time {
  flex: 0 0 auto;
  font-size: var(--fs-index);
  letter-spacing: 0.08em;
  color: var(--c-gray);
}

.page-news .feed-body {
  padding: 0 8px 20px 14px;
}

.page-news .feed-body p {
  margin: 0;
  max-width: 68ch;
  font-size: var(--fs-small);
  line-height: 1.78;
  color: var(--c-gray);
}

/* ---------- 收尾 ---------- */
.page-news .cta-panel {
  display: grid;
  gap: 22px;
  padding: 30px 22px 32px;
  background:
    radial-gradient(120% 140% at 92% 0%, rgba(255, 122, 61, 0.18), transparent 60%),
    var(--c-ink-2);
}

.page-news .cta-title {
  margin: 0;
  font-family: var(--font-title);
  font-weight: 700;
  font-size: clamp(22px, 4vw, 32px);
  line-height: 1.35;
  color: var(--c-white);
}

.page-news .cta-text {
  margin: 14px 0 0;
  max-width: 62ch;
  font-size: var(--fs-body);
  line-height: var(--lh-body);
  color: var(--c-gray);
}

.page-news .cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 断点 ---------- */
@media (min-width: 640px) {
  .page-news .hero-frame {
    padding: 44px 32px 40px;
  }

  .page-news .shift {
    padding: 24px 26px 24px 28px;
  }

  .page-news .shift-grid {
    grid-template-columns: 1fr 1fr;
    gap: 22px;
  }

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

  .page-news .feed-band .media-caption {
    right: 20px;
    bottom: 12px;
  }

  .page-news .cta-panel {
    padding: 40px 34px 42px;
  }
}

@media (min-width: 900px) {
  .page-news .hero-inner {
    grid-template-columns: 1.15fr 0.85fr;
    align-items: center;
    gap: 44px;
  }

  .page-news .hero-media img {
    aspect-ratio: 4 / 3;
  }

  .page-news .track-band {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    border-bottom: 1px solid var(--news-line);
  }

  .page-news .track {
    grid-template-columns: 1fr;
    gap: 10px;
    padding: 30px 26px 32px;
    border-bottom: 0;
    border-right: 1px solid var(--news-line);
  }

  .page-news .track:last-child {
    border-right: 0;
  }

  .page-news .track-num {
    grid-row: auto;
    padding-top: 0;
  }

  .page-news .track-text {
    max-width: 32ch;
  }

  .page-news .cycle-layout {
    grid-template-columns: 1.05fr 0.95fr;
    align-items: start;
    gap: 40px;
  }

  .page-news .shelf-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

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

  .page-news .cta-panel {
    grid-template-columns: 1.4fr auto;
    align-items: center;
    gap: 34px;
  }

  .page-news .cta-actions {
    flex-direction: column;
    align-items: stretch;
  }
}

@media (min-width: 1200px) {
  .page-news .hero-frame {
    padding: 56px 44px 50px;
  }

  .page-news .feed-entry > summary {
    padding: 20px 12px 20px 16px;
  }

  .page-news .feed-entry > summary:hover,
  .page-news .feed-entry > summary:focus-visible {
    padding-left: 26px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .track::before,
  .page-news .shift,
  .page-news .shelf,
  .page-news .feed-entry::before,
  .page-news .feed-entry > summary,
  .page-news .tabs-indicator,
  .page-news .breadcrumb a,
  .page-news .track-link {
    transition: none;
  }

  .page-news .shift:hover,
  .page-news .shelf:hover {
    transform: none;
  }
}