.site {
  min-height: 100vh;
}

.nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  height: 76px;
  padding: 0 clamp(18px, 4vw, 64px);
  border-bottom: 1px solid var(--line);
  background: rgba(3, 4, 5, 0.84);
  backdrop-filter: blur(18px);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.brand img {
  width: 44px;
  height: 44px;
  object-fit: contain;
}

.brand strong,
.brand span {
  display: block;
}

.brand strong {
  font-size: 15px;
  line-height: 1;
}

.brand span {
  margin-top: 5px;
  color: var(--muted);
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
}

.nav-links,
.lang {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 5px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.042);
}

.nav-links a,
.lang button {
  border: 0;
  border-radius: 6px;
  color: var(--muted);
  background: transparent;
  font: inherit;
  font-size: 13px;
  font-weight: 850;
  cursor: pointer;
}

.nav-links a {
  padding: 10px 14px;
}

.lang button {
  padding: 9px 12px;
}

.nav-links a:hover,
.nav-links a:focus-visible,
.lang button:hover,
.lang button.is-active {
  color: var(--ink);
  background: rgba(255, 255, 255, 0.09);
}

@media (min-width: 1041px) {
  .nav-links {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
  }
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  min-height: 45px;
  padding: 0 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--ink);
  background: rgba(255, 255, 255, 0.054);
  font-size: 14px;
  font-weight: 900;
  cursor: pointer;
  overflow: hidden;
  transition:
    transform 180ms ease,
    border-color 180ms ease,
    background 180ms ease;
}

.btn::after {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0;
  background: linear-gradient(105deg, transparent, rgba(255, 255, 255, 0.18), transparent);
  transform: translateX(-120%);
  transition: transform 520ms ease, opacity 180ms ease;
}

.btn:hover {
  transform: translateY(-1px);
  border-color: rgba(255, 255, 255, 0.28);
}

.btn:hover::after {
  opacity: 1;
  transform: translateX(120%);
}

.btn.primary {
  color: #101300;
  border-color: rgba(201, 255, 44, 0.74);
  background: linear-gradient(180deg, #d8ff4c, var(--lime));
  box-shadow: 0 18px 54px rgba(201, 255, 44, 0.18);
}

.btn.ghost {
  background: rgba(255, 255, 255, 0.035);
}

.wrap {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
}

.section {
  position: relative;
  padding: 96px 0;
}

.section.tight {
  padding-top: 28px;
}

.section-head {
  display: grid;
  grid-template-columns: minmax(0, 0.76fr) minmax(260px, 0.34fr);
  align-items: end;
  gap: 28px;
  margin-bottom: 34px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 16px;
  color: var(--blue);
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
}

.eyebrow::before {
  content: "";
  width: 22px;
  height: 2px;
  background: currentColor;
}

h1,
h2,
h3,
p {
  margin: 0;
  overflow-wrap: anywhere;
}

h1 {
  max-width: 720px;
  font-size: clamp(50px, 10.4vw, 128px);
  line-height: 0.86;
  font-weight: 950;
  text-transform: uppercase;
  overflow-wrap: normal;
  white-space: nowrap;
  word-break: normal;
}

html[lang="en"] h1 {
  font-size: clamp(58px, 8vw, 118px);
}

h2 {
  max-width: 760px;
  font-size: clamp(30px, 4.4vw, 62px);
  line-height: 0.95;
  font-weight: 940;
}

h3 {
  font-size: 20px;
  line-height: 1.15;
  font-weight: 920;
}

.lead {
  max-width: 660px;
  color: #d4dae5;
  font-size: clamp(17px, 2vw, 21px);
  line-height: 1.72;
  font-weight: 650;
  overflow-wrap: anywhere;
}

.copy {
  color: var(--muted);
  font-size: 15px;
  line-height: 1.74;
  font-weight: 620;
}

.copy strong {
  color: var(--ink);
}

/* 大标题（line-height 0.95）与紧随其后的描述文字之间留出呼吸空间 */
h2 + .copy,
h2 + .lead {
  margin-top: 20px;
}

/* AUTO-GENERATED btn-i18n-widths begin: 中英按钮同宽（由 deploy/measure_btn.py 生成，勿手改） */
@media (min-width: 761px) {
  html[lang="zh-CN"] body:nth-child(2) > div:nth-child(1) > header:nth-child(1) > div:nth-child(3) > a:nth-child(2), html[lang="en"] body:nth-child(2) > div:nth-child(1) > header:nth-child(1) > div:nth-child(3) > a:nth-child(2) { box-sizing: border-box; min-width: 112px; }
  html[lang="zh-CN"] body:nth-child(2) > div:nth-child(1) > main:nth-child(2) > section:nth-child(1) > div:nth-child(1) > div:nth-child(1) > div:nth-child(4) > a:nth-child(1), html[lang="en"] body:nth-child(2) > div:nth-child(1) > main:nth-child(2) > section:nth-child(1) > div:nth-child(1) > div:nth-child(1) > div:nth-child(4) > a:nth-child(1) { box-sizing: border-box; min-width: 147px; }
  html[lang="zh-CN"] body:nth-child(2) > div:nth-child(1) > main:nth-child(2) > section:nth-child(1) > div:nth-child(1) > div:nth-child(1) > div:nth-child(4) > a:nth-child(2), html[lang="en"] body:nth-child(2) > div:nth-child(1) > main:nth-child(2) > section:nth-child(1) > div:nth-child(1) > div:nth-child(1) > div:nth-child(4) > a:nth-child(2) { box-sizing: border-box; min-width: 155px; }
  html[lang="zh-CN"] body:nth-child(2) > div:nth-child(1) > main:nth-child(2) > section:nth-child(8) > div:nth-child(1) > div:nth-child(1) > div:nth-child(4) > a:nth-child(1), html[lang="en"] body:nth-child(2) > div:nth-child(1) > main:nth-child(2) > section:nth-child(8) > div:nth-child(1) > div:nth-child(1) > div:nth-child(4) > a:nth-child(1) { box-sizing: border-box; min-width: 207px; }
  html[lang="zh-CN"] body:nth-child(2) > div:nth-child(1) > main:nth-child(2) > section:nth-child(8) > div:nth-child(1) > div:nth-child(1) > div:nth-child(4) > a:nth-child(2), html[lang="en"] body:nth-child(2) > div:nth-child(1) > main:nth-child(2) > section:nth-child(8) > div:nth-child(1) > div:nth-child(1) > div:nth-child(4) > a:nth-child(2) { box-sizing: border-box; min-width: 115px; }
  html[lang="zh-CN"] body:nth-child(2) > div:nth-child(1) > header:nth-child(1) > div:nth-child(3) > a:nth-child(1), html[lang="en"] body:nth-child(2) > div:nth-child(1) > header:nth-child(1) > div:nth-child(3) > a:nth-child(1) { box-sizing: border-box; min-width: 68px; }
  html[lang="zh-CN"] body:nth-child(2) > div:nth-child(1) > header:nth-child(1) > div:nth-child(3) > a:nth-child(2), html[lang="en"] body:nth-child(2) > div:nth-child(1) > header:nth-child(1) > div:nth-child(3) > a:nth-child(2) { box-sizing: border-box; min-width: 112px; }
  html[lang="zh-CN"] body:nth-child(2) > div:nth-child(1) > header:nth-child(1) > div:nth-child(3) > a:nth-child(1), html[lang="en"] body:nth-child(2) > div:nth-child(1) > header:nth-child(1) > div:nth-child(3) > a:nth-child(1) { box-sizing: border-box; min-width: 68px; }
  html[lang="zh-CN"] body:nth-child(2) > div:nth-child(1) > header:nth-child(1) > div:nth-child(3) > a:nth-child(2), html[lang="en"] body:nth-child(2) > div:nth-child(1) > header:nth-child(1) > div:nth-child(3) > a:nth-child(2) { box-sizing: border-box; min-width: 112px; }
  html[lang="zh-CN"] body:nth-child(2) > div:nth-child(1) > header:nth-child(1) > div:nth-child(3) > a:nth-child(1), html[lang="en"] body:nth-child(2) > div:nth-child(1) > header:nth-child(1) > div:nth-child(3) > a:nth-child(1) { box-sizing: border-box; min-width: 68px; }
  html[lang="zh-CN"] body:nth-child(2) > div:nth-child(1) > header:nth-child(1) > div:nth-child(3) > a:nth-child(2), html[lang="en"] body:nth-child(2) > div:nth-child(1) > header:nth-child(1) > div:nth-child(3) > a:nth-child(2) { box-sizing: border-box; min-width: 112px; }
  html[lang="zh-CN"] body:nth-child(2) > div:nth-child(1) > header:nth-child(1) > div:nth-child(3) > a:nth-child(1), html[lang="en"] body:nth-child(2) > div:nth-child(1) > header:nth-child(1) > div:nth-child(3) > a:nth-child(1) { box-sizing: border-box; min-width: 68px; }
  html[lang="zh-CN"] body:nth-child(2) > div:nth-child(1) > header:nth-child(1) > div:nth-child(3) > a:nth-child(2), html[lang="en"] body:nth-child(2) > div:nth-child(1) > header:nth-child(1) > div:nth-child(3) > a:nth-child(2) { box-sizing: border-box; min-width: 112px; }
}
/* AUTO-GENERATED btn-i18n-widths end */