/* 灵瞳官网 · 落地页
   画布 #0D1216，信号色 #0095D9，冷光 #8FD9F2。
   结构：骨架用发丝线，层级靠字号与留白，动效只放在进入与悬停两处。 */

.topbar__inner {
  max-width: 1240px;
}

.site {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 clamp(20px, 4vw, 48px) 0;
}

/* ── HERO ── */
.hero {
  padding: clamp(56px, 9vh, 112px) 0 0;
}

.hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(0, .88fr);
  align-items: center;
  gap: clamp(24px, 5vw, 88px);
}

.hero__title {
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: clamp(2px, .6vw, 8px);
  line-height: .96;
}

.hero__cn {
  font-family: var(--sans);
  font-size: clamp(3.1rem, 7.6vw, 6rem);
  font-weight: 500;
  letter-spacing: .02em;
  color: var(--paper);
}

.hero__en {
  font-family: "Bahnschrift SemiCondensed", var(--tech);
  font-size: clamp(2.4rem, 6vw, 4.6rem);
  font-weight: 300;
  letter-spacing: .04em;
  color: var(--accent-soft);
  text-transform: none;
}

.hero__sub {
  margin: clamp(16px, 2.4vw, 26px) 0 0;
  font-size: clamp(.95rem, 1.4vw, 1.06rem);
  font-weight: 500;
  letter-spacing: .12em;
  color: var(--paper-dim);
}

.hero__lead {
  margin: 14px 0 0;
  max-width: 30em;
  font-size: 1rem;
  line-height: 1.95;
  color: var(--muted);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(24px, 3.4vw, 38px);
}

.cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 20px;
  border: 1px solid var(--line);
  border-radius: 2px;
  color: var(--paper);
  font-size: .9rem;
  text-decoration: none;
  transition: border-color .18s ease, color .18s ease, background .18s ease;
}

.cta svg { width: 16px; height: 16px; }

.cta:hover {
  border-color: var(--accent);
  color: var(--accent-soft);
}

.cta--solid {
  border-color: transparent;
  background: var(--accent);
  color: #04141C;
  font-weight: 500;
}

.cta--solid:hover {
  background: var(--accent-soft);
  color: #04141C;
}

.hero__note {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  margin: 20px 0 0;
  font-size: .84rem;
  color: var(--muted);
}

.hero__note strong { color: var(--paper-dim); font-weight: 500; }

/* ── 取景器（页面的记忆点） ── */
.reticle {
  position: relative;
  margin: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}

/* 仪器背后的冷光，只负责把取景器从背景里托起来 */
.reticle::before {
  content: "";
  position: absolute;
  inset: -6% -4% 8%;
  background: radial-gradient(closest-side, rgba(0, 149, 217, .18), rgba(0, 149, 217, 0) 72%);
  pointer-events: none;
  z-index: -1;
}

.reticle {
  justify-self: end;
}

.reticle__svg {
  width: min(100%, 460px);
  height: auto;
  overflow: visible;
  filter: drop-shadow(0 0 28px rgba(0, 149, 217, .22));
}

.reticle__ring,
.reticle__dash,
.reticle__cross,
.reticle__lock path {
  fill: none;
  stroke-linecap: round;
}

.reticle__ring {
  stroke: var(--line-strong);
  stroke-width: 1;
  opacity: 0;
  transition: opacity .9s ease .15s;
}

.reticle__ring--2 { stroke-dasharray: 2 6; opacity: 0; transition-delay: .3s; }

.reticle__dash {
  stroke: var(--accent);
  stroke-width: 1;
  stroke-dasharray: 3 9;
  opacity: .55;
  transform-origin: 160px 160px;
  animation: spin 26s linear infinite;
}

.reticle__cross {
  stroke: var(--line-strong);
  stroke-width: 1;
  opacity: 0;
  transition: opacity .9s ease .45s;
}

.reticle__core {
  fill: var(--accent-soft);
  opacity: 0;
  transition: opacity .6s ease .8s;
}

.reticle__lock path {
  stroke: var(--accent-soft);
  stroke-width: 1.4;
  opacity: 0;
  transition: opacity .7s ease 1s;
}

.is-ready .reticle__ring,
.is-ready .reticle__cross { opacity: 1; }

.is-ready .reticle__core { opacity: 1; }
.is-ready .reticle__lock path { opacity: .8; }

.reticle__tags {
  display: flex;
  justify-content: space-between;
  width: min(100%, 460px);
  gap: 12px;
  font-family: var(--tech);
  font-size: .76rem;
  letter-spacing: .06em;
  color: var(--muted);
}

.reticle__tags b {
  font-size: 1.05rem;
  font-weight: 500;
  color: var(--paper);
  tabular-nums: tabular-nums;
  font-variant-numeric: tabular-nums;
  margin-right: 4px;
}

/* ── 实时数据条 ── */
.strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin: clamp(40px, 6vw, 72px) 0 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.strip__cell {
  padding: 22px 4px 20px;
  border-left: 1px solid var(--line-soft);
}

.strip__cell:first-child { border-left: 0; }

.strip dt {
  font-size: .78rem;
  letter-spacing: .1em;
  color: var(--muted);
}

.strip dd {
  margin: 8px 0 0;
  font-family: "Bahnschrift SemiCondensed", var(--tech);
  font-size: clamp(2.2rem, 4.1vw, 3.05rem);
  font-weight: 500;
  line-height: .95;
  color: var(--paper);
  font-variant-numeric: tabular-nums;
}

.strip dd.strip__ver { color: var(--accent-soft); }

/* ── 通用区块 ── */
.band {
  padding: clamp(64px, 10vh, 132px) 0 0;
}

.band__head { max-width: 46em; }

.band__head--row {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  max-width: none;
}

.band__title {
  margin: 0;
  font-family: var(--sans);
  font-size: clamp(1.6rem, 3vw, 2.35rem);
  font-weight: 500;
  letter-spacing: .01em;
  color: var(--paper);
}

/* 标题里的数字（在线峰值）：跟数据条同色，等宽数字不跳动 */
.band__title b {
  color: var(--accent-soft);
  font-weight: 500;
  font-variant-numeric: tabular-nums;
}

.band__lead {
  margin: 14px 0 0;
  max-width: 38em;
  font-size: .96rem;
  line-height: 1.9;
  color: var(--muted);
}

.band__lead b { color: var(--paper-dim); font-weight: 500; }

/* ── 对照表（规格表风格，不是卡片堆） ── */
.spec {
  margin-top: clamp(28px, 4vw, 44px);
  border-top: 1px solid var(--line);
}

.spec__row {
  display: grid;
  grid-template-columns: minmax(0, .8fr) minmax(0, 1fr) minmax(0, 1.15fr);
  align-items: stretch;
  border-bottom: 1px solid var(--line-soft);
}

.spec__row > span {
  padding: 16px 18px;
  font-size: .92rem;
  line-height: 1.7;
}

.spec__row > span:first-child {
  padding-left: 0;
  color: var(--paper-dim);
}

.spec__row > span:last-child {
  color: var(--paper);
  background: rgba(0, 149, 217, .045);
  box-shadow: inset 1px 0 0 var(--accent), inset -1px 0 0 rgba(143, 217, 242, .12);
}

.spec__row--head > span {
  padding-top: 14px;
  padding-bottom: 14px;
  font-size: .76rem;
  font-weight: 400;
  letter-spacing: .1em;
  color: var(--muted);
  background: transparent;
  box-shadow: none;
}

.spec__row--head > span:last-child {
  color: var(--accent-soft);
  background: rgba(0, 149, 217, .045);
  box-shadow: inset 1px 0 0 var(--accent), inset -1px 0 0 rgba(143, 217, 242, .12);
}

.spec__them { color: var(--muted); }

/* ── 三条事实 ── */
.facts {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(20px, 3vw, 40px);
  margin: clamp(40px, 6vw, 64px) 0 0;
  padding: 0;
}

.facts li {
  padding-top: 20px;
  border-top: 1px solid var(--line);
}

.facts h3 {
  margin: 0;
  font-size: .98rem;
  font-weight: 500;
  letter-spacing: .03em;
  color: var(--paper);
}

.facts p {
  margin: 10px 0 0;
  font-size: .9rem;
  line-height: 1.85;
  color: var(--muted);
}

/* ── 活动 ── */
.bulletin__meta {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 14px;
  font-family: var(--tech);
  font-size: .78rem;
  letter-spacing: .08em;
  color: var(--muted);
}

.live {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-soft);
  box-shadow: 0 0 0 0 rgba(143, 217, 242, .6);
  animation: pulse 2.4s ease-out infinite;
}

.dot {
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: currentColor;
  opacity: .5;
}

.activity__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(0, .98fr);
  gap: clamp(28px, 5vw, 64px);
  align-items: start;
  margin-top: clamp(26px, 3.6vw, 40px);
}

.bullets {
  counter-reset: item;
  list-style: none;
  margin: 0;
  padding: 0;
}

.bullets li {
  counter-increment: item;
  position: relative;
  padding: 0 0 26px 46px;
  border-bottom: 1px solid var(--line-soft);
}

.bullets li + li { padding-top: 26px; }

.bullets li::before {
  content: "0" counter(item);
  position: absolute;
  left: 0;
  top: 2px;
  font-family: var(--tech);
  font-size: .82rem;
  letter-spacing: .06em;
  color: var(--accent);
}

.bullets li + li::before { top: 28px; }

.bullets h3 {
  margin: 0;
  font-size: 1rem;
  font-weight: 500;
  color: var(--paper);
}

.bullets p {
  margin: 8px 0 0;
  font-size: .92rem;
  line-height: 1.9;
  color: var(--muted);
}

.bullets b { color: var(--paper-dim); font-weight: 500; }

.bullets a {
  color: var(--accent-soft);
  text-decoration: none;
  border-bottom: 1px solid rgba(143, 217, 242, .35);
}

.bullets a:hover { color: var(--paper); border-bottom-color: currentColor; }

.shot { margin: 0; }

.shot__frame {
  padding: 8px;
  border: 1px solid var(--line);
  border-radius: 3px;
  background: var(--ink-0);
  box-shadow: 0 24px 60px -32px rgba(0, 149, 217, .45);
}

.shot__frame img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 1px;
}

.shot figcaption {
  margin-top: 10px;
  font-family: var(--tech);
  font-size: .74rem;
  letter-spacing: .06em;
  color: var(--muted);
}

/* ── 界面画廊 ── */
.gallery__hint {
  margin: 0 0 4px;
  font-family: var(--tech);
  font-size: .76rem;
  letter-spacing: .08em;
  color: var(--muted);
}

.gallery-wrap {
  margin-top: 22px;
}

/* 可滚动但不给浏览器原生滚动条：用底部细导轨 + 左右按钮代替 */
.gallery {
  display: flex;
  gap: 20px;
  padding: 6px 2px 18px;
  overflow-x: auto;
  overscroll-behavior-x: contain;
  scrollbar-width: none;
  -ms-overflow-style: none;
  scroll-snap-type: x proximity;
  scroll-behavior: smooth;
  -webkit-overflow-scrolling: touch;
}

.gallery__ctrl {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-top: 2px;
}

.gallery__nav {
  flex: none;
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: rgba(10, 14, 17, .6);
  color: var(--paper-dim);
  cursor: pointer;
  transition: border-color .18s ease, color .18s ease, opacity .18s ease;
}

.gallery__nav svg { width: 15px; height: 15px; }
.gallery__nav:hover:not(:disabled) { border-color: var(--accent); color: var(--accent-soft); }

.gallery__nav:disabled {
  opacity: .3;
  cursor: default;
}

.gallery__rail {
  flex: 1;
  height: 1px;
  background: var(--line-soft);
}

.gallery__rail span {
  display: block;
  height: 100%;
  width: 32%;
  background: linear-gradient(90deg, var(--accent), var(--accent-soft));
  transform-origin: 0 50%;
  transition: width .2s ease, margin-left .2s ease;
}

.gallery::-webkit-scrollbar { display: none; }

.gallery__card {
  flex: 0 0 clamp(240px, 40vw, 460px);
  scroll-snap-align: start;
  display: flex;
  flex-direction: column;
  text-decoration: none;
  border: 1px solid var(--line);
  border-radius: 3px;
  overflow: hidden;
  background: var(--panel);
  transition: border-color .2s ease, transform .2s ease, box-shadow .2s ease;
}

.gallery__card:hover,
.gallery__card:focus-visible {
  border-color: rgba(143, 217, 242, .45);
  transform: translateY(-7px);
  box-shadow: 0 30px 56px -30px rgba(0, 149, 217, .6), 0 0 0 1px rgba(143, 217, 242, .12);
}

/* 媒体框用 absolute 填充：flex 列容器 + aspect-ratio 下百分比高度会解析成 0，
   图片虽加载却不绘制（2026-10-24 排查结论），inset:0 不依赖百分比高度。 */
.gallery__media {
  position: relative;
  display: block;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--ink-0);
}

.gallery__media img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  display: block;
}

.gallery__label {
  display: block;
  padding: 14px 16px 2px;
  font-size: .94rem;
  font-weight: 500;
  color: var(--paper);
}

.gallery__meta {
  display: block;
  padding: 4px 16px 16px;
  font-family: var(--tech);
  font-size: .74rem;
  letter-spacing: .06em;
  color: var(--muted);
}

/* ── 最近更新 ── */
.recent {
  margin-top: clamp(24px, 3.4vw, 36px);
  border-top: 1px solid var(--line);
}

.recent__item {
  display: grid;
  grid-template-columns: 96px 76px minmax(0, 1fr);
  align-items: baseline;
  gap: 16px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line-soft);
}

.recent__date {
  font-family: var(--tech);
  font-size: .8rem;
  letter-spacing: .05em;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}

.recent__ver {
  font-family: var(--tech);
  font-size: .8rem;
  color: var(--accent);
}

.recent__title {
  margin: 0;
  font-size: .96rem;
  font-weight: 500;
  color: var(--paper-dim);
}

.recent__note {
  margin: 6px 0 0;
  font-size: .86rem;
  line-height: 1.75;
  color: var(--muted);
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.recent__more { margin: 20px 0 0; }

.recent__skeleton {
  display: grid;
  gap: 16px;
  padding: 22px 0;
}

.recent__skeleton span {
  display: block;
  height: 12px;
  border-radius: 2px;
  background: linear-gradient(90deg, rgba(143, 217, 242, .05), rgba(143, 217, 242, .12), rgba(143, 217, 242, .05));
  background-size: 200% 100%;
  animation: shimmer 1.5s linear infinite;
}

.recent__skeleton span:nth-child(2) { width: 78%; }
.recent__skeleton span:nth-child(3) { width: 62%; }

.link {
  color: var(--accent-soft);
  font-size: .9rem;
  text-decoration: none;
  border-bottom: 1px solid rgba(143, 217, 242, .3);
  padding-bottom: 2px;
}

.link span { margin-left: 6px; transition: margin .2s ease; }
.link:hover { color: var(--paper); border-bottom-color: currentColor; }
.link:hover span { margin-left: 10px; }

/* ── 文档入口 ── */
.paths {
  list-style: none;
  margin: clamp(24px, 3.4vw, 36px) 0 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.paths li { border-bottom: 1px solid var(--line-soft); }

.paths a {
  display: block;
  padding: 22px 0;
  text-decoration: none;
}

.paths h3 {
  margin: 0;
  font-size: 1.06rem;
  font-weight: 500;
  color: var(--paper);
  transition: color .18s ease;
}

.paths a:hover h3 { color: var(--accent-soft); }

.paths p {
  margin: 6px 0 0;
  font-size: .92rem;
  line-height: 1.75;
  color: var(--muted);
  max-width: 40em;
}

.paths__meta {
  display: block;
  margin-top: 8px;
  font-family: var(--tech);
  font-size: .74rem;
  letter-spacing: .06em;
  color: var(--muted);
}

/* ── 页脚 ── */
.foot {
  max-width: 1240px;
  margin: clamp(64px, 9vh, 120px) auto 0;
  padding: 44px clamp(20px, 4vw, 48px) 56px;
  border-top: 1px solid var(--line);
}

.foot__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr) minmax(0, .9fr);
  gap: 32px;
}

.foot .brand { color: var(--paper); }
.foot__ver { margin: 10px 0 0; font-family: var(--tech); font-size: .78rem; color: var(--muted); }

.foot__links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  align-content: start;
}

.foot__links a {
  font-size: .86rem;
  color: var(--muted);
  text-decoration: none;
}

.foot__links a:hover { color: var(--accent-soft); }

.foot__label {
  margin: 0 0 8px;
  font-size: .78rem;
  letter-spacing: .1em;
  color: var(--muted);
}

.tg {
  font-family: var(--tech);
  font-size: 1rem;
  color: var(--accent-soft);
  text-decoration: none;
  border-bottom: 1px solid rgba(143, 217, 242, .3);
}

.tg:hover { color: var(--paper); border-bottom-color: currentColor; }

.copy {
  margin-left: 10px;
  padding: 3px 9px;
  border: 1px solid var(--line);
  border-radius: 2px;
  background: transparent;
  color: var(--muted);
  font-size: .74rem;
  cursor: pointer;
  transition: border-color .18s ease, color .18s ease;
}

.copy:hover { border-color: var(--accent); color: var(--accent-soft); }
.copy.is-done { color: var(--accent-soft); border-color: var(--accent); }

.foot__legal {
  margin: 36px 0 0;
  padding-top: 18px;
  border-top: 1px solid var(--line-soft);
  font-size: .78rem;
  line-height: 1.8;
  color: var(--muted);
}

/* ── 进场：一次编排，不做逐区块滚动动画 ── */
.hero__title,
.hero__sub,
.hero__lead,
.hero__actions,
.hero__note {
  opacity: 0;
  transform: translateY(14px);
}

.is-ready .hero__title { animation: rise .7s cubic-bezier(.2, .7, .2, 1) .05s forwards; }
.is-ready .hero__sub { animation: rise .7s cubic-bezier(.2, .7, .2, 1) .16s forwards; }
.is-ready .hero__lead { animation: rise .7s cubic-bezier(.2, .7, .2, 1) .26s forwards; }
.is-ready .hero__actions { animation: rise .7s cubic-bezier(.2, .7, .2, 1) .36s forwards; }
.is-ready .hero__note { animation: rise .7s cubic-bezier(.2, .7, .2, 1) .46s forwards; }

@keyframes rise {
  to { opacity: 1; transform: none; }
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(143, 217, 242, .55); }
  70% { box-shadow: 0 0 0 7px rgba(143, 217, 242, 0); }
  100% { box-shadow: 0 0 0 0 rgba(143, 217, 242, 0); }
}

@keyframes shimmer {
  from { background-position: 0 0; }
  to { background-position: -200% 0; }
}

/* ── 响应式 ── */
@media (max-width: 1040px) {
  .hero__grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .reticle {
    order: 2;
    justify-self: center;
    width: 100%;
    margin-top: 8px;
  }

  .reticle::before { inset: -10% 10% 0; }
  .reticle__svg { width: min(64vw, 280px); }
  .reticle__tags { width: min(100%, 340px); }
  .reticle__svg { width: min(72%, 300px); }
  .reticle__tags { justify-content: flex-start; }

  .facts { grid-template-columns: 1fr 1fr; }
  .activity__grid { grid-template-columns: 1fr; }
  .foot__grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 760px) {
  .hero { padding-top: 36px; }
  .hero__lead { max-width: none; }
  .strip { grid-template-columns: 1fr 1fr; }
  .strip__cell:nth-child(3) { border-left: 0; }
  .strip__cell:nth-child(3),
  .strip__cell:nth-child(4) { border-top: 1px solid var(--line-soft); }

  .spec__row { grid-template-columns: 1fr; }
  .spec__row > span { padding: 10px 14px; }
  .spec__row > span:first-child {
    padding: 16px 14px 2px;
    background: transparent;
  }
  .spec__row > span:last-child { box-shadow: inset 0 -1px 0 rgba(143, 217, 242, .1); }
  .spec__row--head { display: none; }

  .facts { grid-template-columns: 1fr; }
  .recent__item { grid-template-columns: 84px minmax(0, 1fr); }
  .recent__note { display: none; }
  .foot__grid { grid-template-columns: 1fr; }
  .gallery__card { flex-basis: 82vw; }
}

@media (prefers-reduced-motion: reduce) {
  .hero__title,
  .hero__sub,
  .hero__lead,
  .hero__actions,
  .hero__note { opacity: 1; transform: none; animation: none !important; }

  .reticle__dash { animation: none; }
  .live { animation: none; }
  .recent__skeleton span { animation: none; }
}

/* 顶栏滚动后压深一点，避免内容从下面透上来 */
.topbar.is-scrolled {
  background: rgba(10, 14, 17, .94);
  border-bottom-color: rgba(143, 217, 242, .14);
}