.page-news {
  --news-line: rgba(53, 240, 208, 0.16);
  --news-hair: rgba(145, 168, 186, 0.18);
  --news-card: #0D2A42;
  --news-soft: #B8FFF4;
}

.page-news > .section + .section {
  margin-top: clamp(28px, 5vw, 56px);
}

.page-news .news-top {
  padding: clamp(18px, 4vw, 36px) 0 clamp(2px, 1vw, 8px);
}

/* ===== 首屏拼贴 ===== */
.page-news .news-cover {
  padding-top: clamp(8px, 2vw, 18px);
}

.page-news .cover-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(16px, 2.4vw, 24px);
}

.page-news .cover-lead {
  background: linear-gradient(165deg, var(--c-stand) 0%, var(--c-deep) 68%);
  border: 1px solid var(--news-line);
  border-radius: var(--r-lg);
  overflow: hidden;
}

.page-news .cover-media {
  position: relative;
  aspect-ratio: 16 / 9;
  background: var(--c-ink);
}

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

.page-news .cover-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(53, 240, 208, 0.14) 1px, transparent 1px),
    linear-gradient(90deg, rgba(53, 240, 208, 0.14) 1px, transparent 1px);
  background-size: 56px 56px;
  opacity: 0.55;
  pointer-events: none;
}

.page-news .cover-badge {
  position: absolute;
  left: clamp(14px, 2vw, 22px);
  top: clamp(14px, 2vw, 22px);
  z-index: 2;
  background: var(--c-orange);
  color: #21100A;
  font: 700 12px/1 var(--font-mono);
  letter-spacing: 0.12em;
  padding: 8px 14px;
  border-radius: var(--r-pill);
}

.page-news .cover-body {
  padding: clamp(18px, 3vw, 32px);
}

.page-news .cover-kicker {
  margin: 0 0 12px;
  color: var(--c-cyan);
  font-size: 14px;
  letter-spacing: 0.06em;
}

.page-news .cover-body h1 {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.9rem, 4.6vw, 3.6rem);
  line-height: 1.02;
  letter-spacing: -0.02em;
  color: var(--c-title);
}

.page-news .cover-body .lede {
  margin: 0 0 20px;
  color: var(--c-text);
}

.page-news .cover-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
  margin: 0;
  padding: 14px 0 0;
  list-style: none;
  border-top: 1px solid var(--news-hair);
  font-size: 13px;
  color: var(--c-mist);
}

.page-news .cover-facts .num {
  color: var(--c-cyan);
  font-weight: 500;
  margin-right: 4px;
}

.page-news .cover-side {
  display: grid;
  gap: clamp(16px, 2.4vw, 24px);
}

.page-news .cover-card {
  position: relative;
  background: var(--c-stand);
  border: 1px solid var(--news-hair);
  border-radius: var(--r-md);
  padding: clamp(18px, 2.6vw, 26px);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.page-news .cover-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: clamp(18px, 2.6vw, 26px);
  bottom: clamp(18px, 2.6vw, 26px);
  width: 4px;
  border-radius: 0 4px 4px 0;
}

.page-news .cover-card--index::before {
  background: var(--c-band-2);
}

.page-news .cover-card--split::before {
  background: linear-gradient(180deg, var(--c-home) 0%, var(--c-home) 50%, var(--c-away) 50%, var(--c-away) 100%);
}

.page-news .cover-card p.serif-note {
  margin: 0 0 10px;
  font-size: 13px;
  color: var(--c-mist);
  letter-spacing: 0.05em;
}

.page-news .cover-card h2 {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.05rem, 2vw, 1.35rem);
  line-height: 1.3;
  color: var(--c-title);
}

.page-news .cover-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--c-mist);
}

/* ===== 章节头 ===== */
.page-news .section-head {
  margin-bottom: clamp(20px, 3.4vw, 36px);
  max-width: 72ch;
}

.page-news .section-head h2 {
  margin: 8px 0 10px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.5rem, 3.4vw, 2.4rem);
  line-height: 1.08;
  letter-spacing: -0.015em;
  color: var(--c-title);
}

.page-news .section-lede {
  margin: 0;
  color: var(--c-mist);
  font-size: 15px;
  line-height: 1.75;
}

.page-news .section-head--split {
  max-width: none;
  display: grid;
  gap: 12px;
}

/* ===== 专题入口 ===== */
.page-news .topic-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(14px, 2vw, 20px);
}

.page-news .topic-card {
  position: relative;
  background: var(--c-stand);
  border: 1px solid var(--news-hair);
  border-radius: var(--r-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform 0.26s ease, border-color 0.26s ease;
}

.page-news .topic-card:hover {
  transform: translateY(-3px);
  border-color: var(--news-line);
}

.page-news .topic-media {
  position: relative;
  aspect-ratio: 3 / 2;
  background: var(--c-ink);
  overflow: hidden;
}

.page-news .topic-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.5s ease;
}

.page-news .topic-card:hover .topic-media img {
  transform: scale(1.04);
}

.page-news .topic-body {
  position: relative;
  padding: clamp(16px, 2.4vw, 24px);
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex: 1;
}

.page-news .topic-band {
  display: block !important;
  position: absolute;
  left: 0;
  top: clamp(16px, 2.4vw, 24px);
  width: 4px;
  height: 30px;
  border-radius: 0 4px 4px 0;
}

.page-news .topic-body h3 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.1rem, 2.2vw, 1.4rem);
  letter-spacing: 0.01em;
  color: var(--c-title);
  padding-left: 14px;
}

.page-news .topic-body p {
  margin: 0;
  padding-left: 14px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--c-mist);
  flex: 1;
}

.page-news .topic-link {
  align-self: flex-start;
  margin-left: 14px;
  margin-top: 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--c-cyan);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  padding-bottom: 2px;
}

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

.page-news .topic-card--plain {
  background: linear-gradient(150deg, rgba(13, 42, 66, 0.9) 0%, rgba(7, 26, 44, 0.95) 100%);
}

/* ===== 时间线 ===== */
.page-news .tl {
  position: relative;
  display: grid;
  gap: clamp(16px, 2.4vw, 22px);
  padding-left: 26px;
}

.page-news .tl::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: linear-gradient(180deg, var(--c-cyan) 0%, rgba(53, 240, 208, 0.28) 40%, rgba(53, 240, 208, 0.04) 100%);
}

.page-news .tl-item {
  position: relative;
}

.page-news .tl-item::before {
  content: "";
  position: absolute;
  left: -26px;
  top: 26px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--c-deep);
  border: 2px solid var(--c-cyan);
  box-sizing: border-box;
}

.page-news .tl-when {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--c-cyan);
  opacity: 0.85;
}

.page-news .tl-card {
  position: relative;
  background: var(--c-stand);
  border: 1px solid var(--news-hair);
  border-radius: var(--r-md);
  padding: clamp(14px, 2.2vw, 22px);
  overflow: hidden;
  transition: transform 0.26s ease, border-color 0.26s ease, background 0.26s ease;
}

.page-news .tl-card::after {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  height: 2px;
  width: 0;
  background: linear-gradient(90deg, var(--c-cyan), rgba(53, 240, 208, 0));
  transition: width 0.34s ease;
}

.page-news .tl-card:hover {
  transform: translateX(4px);
  border-color: var(--news-line);
  background: #10304A;
}

.page-news .tl-card:hover::after {
  width: 100%;
}

.page-news .tl-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 10px;
}

.page-news .tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  padding: 5px 11px;
  border-radius: var(--r-pill);
  border: 1px solid transparent;
  line-height: 1.2;
}

.page-news .tag--tour {
  color: var(--c-band-2);
  border-color: rgba(138, 118, 80, 0.6);
  background: rgba(138, 118, 80, 0.14);
}

.page-news .tag--derby {
  color: #B9AED3;
  border-color: rgba(110, 100, 132, 0.7);
  background: rgba(110, 100, 132, 0.16);
}

.page-news .tag--split {
  color: var(--c-home);
  border-color: rgba(45, 140, 255, 0.5);
  background: rgba(45, 140, 255, 0.12);
}

.page-news .tag--device {
  color: var(--c-cyan-soft);
  border-color: rgba(53, 240, 208, 0.4);
  background: rgba(53, 240, 208, 0.1);
}

.page-news .tag--review {
  color: #7FBFA8;
  border-color: rgba(85, 122, 104, 0.8);
  background: rgba(85, 122, 104, 0.18);
}

.page-news .tag--ghost {
  color: var(--c-mist);
  border-color: var(--news-hair);
  background: transparent;
}

.page-news .tl-card h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1rem, 2vw, 1.2rem);
  line-height: 1.35;
  color: var(--c-title);
}

.page-news .tl-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--c-mist);
}

/* ===== 观察方法 ===== */
.page-news .method-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 4vw, 48px);
}

.page-news .method-intro h2 {
  margin: 8px 0 14px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.5rem, 3.2vw, 2.3rem);
  line-height: 1.1;
  letter-spacing: -0.015em;
  color: var(--c-title);
}

.page-news .method-intro p {
  margin: 0 0 20px;
  font-size: 15px;
  line-height: 1.78;
  color: var(--c-mist);
  max-width: 46ch;
}

.page-news .method-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-news .method-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: clamp(12px, 1.8vw, 16px);
  counter-reset: step;
}

.page-news .method-steps li {
  position: relative;
  background: var(--c-stand);
  border: 1px solid var(--news-hair);
  border-left: 3px solid rgba(53, 240, 208, 0.35);
  border-radius: var(--r-md);
  padding: clamp(14px, 2.2vw, 20px) clamp(16px, 2.4vw, 22px);
  transition: border-left-color 0.26s ease;
}

.page-news .method-steps li:hover {
  border-left-color: var(--c-cyan);
}

.page-news .step-no {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--c-cyan);
  margin-bottom: 6px;
}

.page-news .method-steps h3 {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  color: var(--c-title);
}

.page-news .method-steps p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--c-mist);
}

/* ===== 订阅 ===== */
.page-news .note-sub {
  background: var(--c-paper);
  color: #16283A;
  border-radius: var(--r-lg);
  padding: clamp(22px, 4vw, 46px);
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px, 3.4vw, 40px);
}

.page-news .note-sub .eyebrow {
  color: #7A5B2E;
  margin-bottom: 8px;
}

.page-news .note-sub h2 {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.4rem, 3vw, 2.1rem);
  line-height: 1.14;
  letter-spacing: -0.015em;
  color: #0B1F30;
}

.page-news .note-sub-copy p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: #33475B;
  max-width: 42ch;
}

.page-news .sub-form {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 12px;
}

.page-news .sub-row {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 10px;
}

.page-news .sub-input {
  width: 100%;
  min-width: 0;
  box-sizing: border-box;
  border: 1.5px solid rgba(11, 31, 48, 0.26);
  background: #FFFDF7;
  color: #16283A;
  border-radius: var(--r-pill);
  padding: 13px 18px;
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.3;
}

.page-news .sub-input::placeholder {
  color: #8A99A8;
}

.page-news .sub-input:focus-visible {
  outline: 2px solid var(--c-orange);
  outline-offset: 2px;
}

.page-news .sub-btn {
  white-space: nowrap;
}

.page-news .sub-state {
  grid-column: 1 / -1;
  display: none;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.03em;
  line-height: 1.5;
}

.page-news .sub-state--bad {
  color: #B4390F;
}

.page-news .sub-state--ok {
  color: #0B6B5A;
}

.page-news .sub-input:invalid:not(:placeholder-shown) ~ .sub-state--bad {
  display: block;
}

.page-news .sub-input:valid ~ .sub-state--ok {
  display: block;
}

.page-news .sub-note {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: #4A5C6D;
}

.page-news .sub-note a {
  color: #0B5E52;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-news .sub-note a:hover,
.page-news .sub-note a:focus-visible {
  color: #B4390F;
}

.page-news a:focus-visible,
.page-news button:focus-visible,
.page-news input:focus-visible {
  outline: 2px solid var(--c-cyan);
  outline-offset: 2px;
}

/* ===== 响应式 ===== */
@media (min-width: 700px) {
  .page-news .topic-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-news .section-head--split {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: end;
  }

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

@media (min-width: 900px) {
  .page-news .cover-grid {
    grid-template-columns: 1.55fr minmax(0, 1fr);
    align-items: stretch;
  }

  .page-news .cover-side {
    grid-auto-rows: 1fr;
  }

  .page-news .method-grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: start;
  }

  .page-news .note-sub {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
    align-items: center;
  }

  .page-news .tl {
    padding-left: 40px;
  }

  .page-news .tl::before {
    left: 7px;
    width: 2px;
  }

  .page-news .tl-item::before {
    left: -40px;
    top: 28px;
  }
}

@media (min-width: 1040px) {
  .page-news .topic-grid {
    grid-template-columns: repeat(6, minmax(0, 1fr));
    gap: clamp(16px, 1.8vw, 24px);
  }

  .page-news .topic-card--lead {
    grid-column: span 3;
  }

  .page-news .topic-card--mid {
    grid-column: span 2;
  }

  .page-news .topic-card--plain {
    min-height: 220px;
  }

  .page-news .topic-media {
    aspect-ratio: 16 / 11;
  }

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

@media (max-width: 459px) {
  .page-news .sub-row {
    grid-template-columns: 1fr;
  }

  .page-news .sub-btn {
    width: 100%;
  }

  .page-news .cover-facts {
    gap: 8px 16px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .topic-card,
  .page-news .topic-media img,
  .page-news .tl-card,
  .page-news .method-steps li {
    transition: none;
  }

  .page-news .topic-card:hover,
  .page-news .tl-card:hover {
    transform: none;
  }

  .page-news .topic-card:hover .topic-media img {
    transform: none;
  }
}
<<<PAGE_CSS_END>>>
</main>