/* ============================================================
   星空体育入口 · 共享站点样式 /assets/site.css
   深空蓝基底 + 星云紫/电光青渐变 + 琥珀行动点
   ============================================================ */

/* ---------- 1. Reset ---------- */
*,
*::before,
*::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body,
h1, h2, h3, h4, h5, h6,
p, figure, blockquote, dl, dd, ul, ol {
  margin: 0;
}

ul, ol { padding: 0; list-style: none; }

img, svg, video { max-width: 100%; display: block; }

button { font: inherit; color: inherit; }

a { color: inherit; }

/* ---------- 2. 变量 ---------- */
:root {
  --nx-deep: #0A1130;
  --nx-deep-2: #131C45;
  --nx-violet: #6B3FE0;
  --nx-cyan: #35E3DC;
  --nx-cyan-soft: #93F3F0;
  --nx-amber: #FFB020;
  --nx-paper: #F4EEE2;
  --nx-ink: #12162A;
  --nx-slate: #9AA8CC;
  --nx-live: #4BE39B;

  --nx-text: #E6ECFF;
  --nx-text-dim: #C9D4F2;
  --nx-paper-ink: #12162A;
  --nx-paper-dim: #4B5470;

  --nx-shell: 1240px;
  --nx-gutter: clamp(18px, 4vw, 44px);

  --nx-r-card: 24px;
  --nx-r-btn: 16px;
  --nx-r-pill: 999px;

  --nx-font-display: "Helvetica Neue", "PingFang SC", "Hiragino Sans GB",
    "Microsoft YaHei", "Source Han Sans SC", system-ui, -apple-system, sans-serif;
  --nx-font-body: system-ui, -apple-system, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --nx-font-num: ui-monospace, SFMono-Regular, Menlo, Consolas,
    "DejaVu Sans Mono", "Courier New", monospace;

  --nx-line: rgba(154, 168, 204, 0.22);
  --nx-line-strong: rgba(53, 227, 220, 0.45);
  --nx-glow-vc: linear-gradient(100deg, var(--nx-violet), var(--nx-cyan));
  --nx-shadow: 0 24px 60px -30px rgba(4, 8, 26, 0.92);
}

/* ---------- 3. 中文排版与基底 ---------- */
body {
  min-height: 100vh;
  font-family: var(--nx-font-body);
  font-size: 17px;
  line-height: 1.75;
  font-weight: 400;
  letter-spacing: 0.01em;
  color: var(--nx-text);
  background-color: var(--nx-deep);
  background-image:
    radial-gradient(90% 40% at 85% 0%, rgba(107, 63, 224, 0.38), transparent 62%),
    radial-gradient(70% 35% at 8% 3%, rgba(53, 227, 220, 0.16), transparent 60%);
  background-repeat: no-repeat;
  background-size: 100% 1200px, 100% 900px;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: var(--nx-font-display);
  font-weight: 800;
  line-height: 1.16;
  letter-spacing: -0.02em;
}

p { text-wrap: pretty; }

.nx-h1 {
  font-family: var(--nx-font-display);
  font-weight: 900;
  font-size: clamp(2.1rem, 4.6vw, 3.5rem);
  line-height: 1.06;
  letter-spacing: -0.028em;
}

.nx-h2 {
  font-family: var(--nx-font-display);
  font-weight: 900;
  font-size: clamp(1.6rem, 3vw, 2.5rem);
  line-height: 1.12;
  letter-spacing: -0.024em;
}

.nx-h3 {
  font-family: var(--nx-font-display);
  font-weight: 800;
  font-size: clamp(1.15rem, 2vw, 1.45rem);
  line-height: 1.25;
  letter-spacing: -0.015em;
}

.nx-lede {
  max-width: 62ch;
  font-size: clamp(1rem, 1.4vw, 1.1rem);
  line-height: 1.78;
  color: var(--nx-slate);
}

.nx-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--nx-font-num);
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--nx-cyan);
}

.nx-eyebrow::before {
  content: "";
  width: 26px;
  height: 1px;
  background: var(--nx-glow-vc);
}

.nx-num {
  font-family: var(--nx-font-num);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.02em;
}

.nx-shell {
  width: 100%;
  max-width: var(--nx-shell);
  margin-inline: auto;
  padding-inline: var(--nx-gutter);
}

.nx-shell--narrow { max-width: 880px; }

.nx-main { display: block; }

:focus-visible {
  outline: 2px solid var(--nx-cyan);
  outline-offset: 3px;
  border-radius: 8px;
}

/* ---------- 4. 跳转链接 ---------- */
.nx-skip {
  position: fixed;
  top: -120px;
  left: 18px;
  z-index: 200;
  padding: 0.7rem 1.2rem;
  border-radius: 0 0 16px 16px;
  background: var(--nx-amber);
  color: #1A1305;
  font-family: var(--nx-font-display);
  font-weight: 800;
  text-decoration: none;
  transition: top 0.24s ease;
}

.nx-skip:focus { top: 0; }

/* ---------- 5. 按钮 ---------- */
.nx-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.72rem 1.2rem;
  border: 1px solid transparent;
  border-radius: var(--nx-r-btn);
  font-family: var(--nx-font-display);
  font-size: 0.94rem;
  font-weight: 800;
  letter-spacing: 0.01em;
  line-height: 1.2;
  text-decoration: none;
  white-space: nowrap;
  cursor: pointer;
  transition: transform 0.24s ease, box-shadow 0.24s ease,
    background-color 0.24s ease, color 0.24s ease, border-color 0.24s ease;
}

.nx-btn--amber {
  background: var(--nx-amber);
  color: #1A1305;
  box-shadow: 0 14px 32px -16px rgba(255, 176, 32, 0.9);
}

.nx-btn--amber:hover {
  transform: translateY(-2px);
  box-shadow: 0 20px 36px -14px rgba(255, 176, 32, 1);
}

.nx-btn--line {
  background: rgba(19, 28, 69, 0.6);
  border-color: var(--nx-line-strong);
  color: var(--nx-cyan-soft);
}

.nx-btn--line:hover {
  background: rgba(53, 227, 220, 0.14);
  color: #FFFFFF;
  transform: translateY(-2px);
}

.nx-btn--block { width: 100%; }

/* ---------- 6. 页头：紧凑命令栏 ---------- */
.nx-header {
  position: sticky;
  top: 0;
  z-index: 90;
  background: rgba(10, 17, 48, 0.88);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--nx-line);
}

.nx-header::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 2px;
  background: var(--nx-glow-vc);
  opacity: 0.9;
}

.nx-header__inner {
  display: grid;
  grid-template-columns: minmax(0, auto) minmax(0, 1fr) minmax(0, auto);
  align-items: center;
  gap: clamp(12px, 2vw, 26px);
  padding-block: 14px;
  transition: padding 0.28s ease;
}

.nx-header[data-scrolled="true"] .nx-header__inner { padding-block: 8px; }

.nx-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  text-decoration: none;
}

.nx-brand__mark {
  position: relative;
  flex: none;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: radial-gradient(circle at 32% 30%,
    var(--nx-cyan) 0%, var(--nx-violet) 58%, rgba(10, 17, 48, 0) 74%);
  box-shadow: 0 0 0 1px rgba(147, 243, 240, 0.35),
    0 0 22px -4px rgba(107, 63, 224, 0.95);
}

.nx-brand__mark::after {
  content: "";
  position: absolute;
  inset: -6px;
  border-radius: 50%;
  border: 1px dashed rgba(53, 227, 220, 0.5);
  animation: nx-orbit 20s linear infinite;
}

.nx-brand__text {
  display: flex;
  flex-direction: column;
  gap: 2px;
  line-height: 1.15;
}

.nx-brand__name {
  font-family: var(--nx-font-display);
  font-size: 1.05rem;
  font-weight: 900;
  letter-spacing: -0.01em;
  color: #FFFFFF;
}

.nx-brand__tag {
  font-size: 0.72rem;
  letter-spacing: 0.02em;
  color: var(--nx-slate);
}

.nx-brand--footer .nx-brand__mark { width: 46px; height: 46px; }
.nx-brand--footer .nx-brand__name { font-size: 1.25rem; }
.nx-brand--footer .nx-brand__tag { font-size: 0.76rem; }

.nx-nav {
  display: flex;
  justify-content: center;
  min-width: 0;
}

.nx-nav__list {
  display: flex;
  align-items: center;
  gap: 2px;
}

.nx-nav__item { display: flex; }

.nx-nav__link {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.48rem 0.68rem;
  border-radius: var(--nx-r-pill);
  font-size: 0.92rem;
  font-weight: 600;
  text-decoration: none;
  color: var(--nx-text-dim);
  transition: color 0.22s ease, background-color 0.22s ease;
}

.nx-nav__index {
  font-family: var(--nx-font-num);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--nx-slate);
  transition: color 0.22s ease;
}

.nx-nav__label { display: inline-block; }

.nx-nav__dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: rgba(154, 168, 204, 0.45);
  transition: background-color 0.22s ease, box-shadow 0.22s ease;
}

.nx-nav__link:hover {
  color: #FFFFFF;
  background: rgba(107, 63, 224, 0.2);
}

.nx-nav__link:hover .nx-nav__dot {
  background: var(--nx-cyan);
  box-shadow: 0 0 10px var(--nx-cyan);
}

.nx-nav__link[aria-current="page"] {
  color: #FFFFFF;
  background: linear-gradient(120deg,
    rgba(107, 63, 224, 0.34), rgba(53, 227, 220, 0.18));
}

.nx-nav__link[aria-current="page"] .nx-nav__index { color: var(--nx-cyan); }

.nx-nav__link[aria-current="page"] .nx-nav__dot {
  background: var(--nx-cyan);
  box-shadow: 0 0 0 4px rgba(53, 227, 220, 0.18), 0 0 12px var(--nx-cyan);
}

.nx-nav__item--cta { display: none; }

.nx-header__actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
  justify-self: end;
}

.nx-navtoggle {
  display: none;
  align-items: center;
  gap: 0.55rem;
  padding: 0.5rem 0.95rem;
  border: 1px solid var(--nx-line);
  border-radius: var(--nx-r-pill);
  background: rgba(19, 28, 69, 0.9);
  color: var(--nx-text);
  font-weight: 700;
  cursor: pointer;
  transition: border-color 0.24s ease, background-color 0.24s ease;
}

.nx-navtoggle:hover { border-color: var(--nx-line-strong); }

.nx-navtoggle__bars {
  position: relative;
  display: block;
  width: 18px;
  height: 2px;
  border-radius: 2px;
  background: currentColor;
  transition: background-color 0.24s ease;
}

.nx-navtoggle__bars::before,
.nx-navtoggle__bars::after {
  content: "";
  position: absolute;
  left: 0;
  width: 18px;
  height: 2px;
  border-radius: 2px;
  background: currentColor;
  transition: transform 0.24s ease;
}

.nx-navtoggle__bars::before { top: -6px; }
.nx-navtoggle__bars::after { top: 6px; }

.nx-navtoggle[aria-expanded="true"] {
  border-color: var(--nx-line-strong);
  background: rgba(107, 63, 224, 0.28);
}

.nx-navtoggle[aria-expanded="true"] .nx-navtoggle__bars { background: transparent; }
.nx-navtoggle[aria-expanded="true"] .nx-navtoggle__bars::before {
  transform: translateY(6px) rotate(45deg);
}
.nx-navtoggle[aria-expanded="true"] .nx-navtoggle__bars::after {
  transform: translateY(-6px) rotate(-45deg);
}

.nx-navtoggle__text { font-size: 0.86rem; }

.nx-progress {
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 2px;
  background: rgba(154, 168, 204, 0.12);
  overflow: hidden;
}

.nx-progress__bar {
  display: block;
  width: 0;
  height: 100%;
  background: var(--nx-glow-vc);
  box-shadow: 0 0 12px rgba(53, 227, 220, 0.75);
  transition: width 0.12s linear;
}

/* ---------- 7. 页脚：星图底座 ---------- */
.nx-footer {
  position: relative;
  overflow: hidden;
  margin-top: clamp(48px, 8vw, 96px);
  color: var(--nx-text-dim);
  background: linear-gradient(180deg, #0A1130 0%, #080E26 58%, #050818 100%);
  border-top: 1px solid var(--nx-line);
}

.nx-footer__glow {
  position: absolute;
  inset: -160px 10% auto 10%;
  height: 460px;
  pointer-events: none;
  background:
    radial-gradient(42% 58% at 26% 42%, rgba(107, 63, 224, 0.5), transparent 68%),
    radial-gradient(38% 52% at 76% 30%, rgba(53, 227, 220, 0.28), transparent 70%);
  filter: blur(6px);
}

.nx-footer__inner {
  position: relative;
  padding-block: clamp(44px, 6vw, 78px) 28px;
}

.nx-footer__top {
  display: grid;
  grid-template-columns: minmax(240px, 1.1fr) minmax(0, 2fr);
  gap: clamp(28px, 4vw, 64px);
}

.nx-footer__brandcol { max-width: 42ch; }

.nx-footer__tagline {
  margin-top: 16px;
  font-size: 0.94rem;
  line-height: 1.72;
  color: var(--nx-slate);
}

.nx-footer__note {
  margin-top: 12px;
  font-size: 0.8rem;
  line-height: 1.66;
  color: rgba(154, 168, 204, 0.78);
}

.nx-footer__cols {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: clamp(20px, 2.4vw, 34px);
}

.nx-footer__coltitle {
  position: relative;
  margin-bottom: 14px;
  padding-left: 12px;
  font-family: var(--nx-font-display);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  color: var(--nx-cyan-soft);
}

.nx-footer__coltitle::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.42em;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--nx-cyan);
  box-shadow: 0 0 8px var(--nx-cyan);
}

.nx-footer__links {
  display: flex;
  flex-direction: column;
  gap: 9px;
}

.nx-footer__link {
  display: inline-block;
  font-size: 0.92rem;
  text-decoration: none;
  color: var(--nx-text-dim);
  transition: color 0.22s ease, transform 0.22s ease;
}

.nx-footer__link:hover {
  color: var(--nx-cyan);
  transform: translateX(4px);
}

.nx-footer__contact {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 10px 26px;
  margin-top: clamp(28px, 4vw, 46px);
  padding: 18px 22px;
  border: 1px solid var(--nx-line);
  border-radius: var(--nx-r-card);
  background: linear-gradient(120deg,
    rgba(19, 28, 69, 0.72), rgba(10, 17, 48, 0.5));
}

.nx-footer__contactitem {
  font-size: 0.86rem;
  line-height: 1.66;
  color: var(--nx-slate);
}

.nx-footer__contactitem .nx-num {
  color: #FFFFFF;
  word-break: break-all;
}

.nx-footer__bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px 24px;
  margin-top: 26px;
  padding-top: 20px;
  border-top: 1px solid var(--nx-line);
}

.nx-footer__legal,
.nx-footer__closing,
.nx-footer__copy {
  font-size: 0.8rem;
  line-height: 1.6;
  color: rgba(154, 168, 204, 0.8);
}

.nx-footer__legal {
  font-family: var(--nx-font-num);
  font-weight: 700;
  letter-spacing: 0.02em;
}

/* ---------- 8. 分区与布局 ---------- */
.nx-section {
  position: relative;
  padding-block: clamp(46px, 6vw, 92px);
}

.nx-section--paper {
  background: var(--nx-paper);
  color: var(--nx-paper-ink);
}

.nx-section--paper .nx-lede,
.nx-section--paper .nx-prose { color: var(--nx-paper-dim); }

.nx-section--paper .nx-eyebrow { color: var(--nx-violet); }

.nx-section--deep2 { background: var(--nx-deep-2); }

.nx-grid {
  display: grid;
  gap: clamp(16px, 2.4vw, 28px);
}

.nx-grid--2 { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.nx-grid--3 { grid-template-columns: repeat(auto-fit, minmax(238px, 1fr)); }
.nx-grid--4 { grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); }

.nx-prose {
  max-width: 68ch;
  font-size: 1.02rem;
  line-height: 1.82;
}

.nx-prose p + p { margin-top: 1em; }

.nx-prose h2,
.nx-prose h3 {
  margin: 1.6em 0 0.6em;
}

.nx-prose ul,
.nx-prose ol {
  margin: 1em 0;
  padding-left: 1.25em;
  list-style: disc;
}

.nx-prose li { margin: 0.35em 0; }

.nx-prose strong { font-weight: 800; }

/* ---------- 9. 通用组件 ---------- */
.nx-card {
  position: relative;
  padding: clamp(18px, 2.4vw, 28px);
  border: 1px solid var(--nx-line);
  border-radius: var(--nx-r-card);
  background: linear-gradient(160deg,
    rgba(19, 28, 69, 0.92), rgba(10, 17, 48, 0.92));
  transition: transform 0.32s ease, border-color 0.32s ease,
    box-shadow 0.32s ease;
}

.nx-card:hover {
  transform: translateY(-4px);
  border-color: var(--nx-line-strong);
  box-shadow: 0 26px 52px -30px rgba(53, 227, 220, 0.6);
}

.nx-card--paper {
  background: var(--nx-paper);
  border-color: rgba(18, 22, 42, 0.14);
  color: var(--nx-paper-ink);
}

.nx-band {
  position: relative;
  overflow: hidden;
  padding: clamp(20px, 3vw, 36px);
  border: 1px solid var(--nx-line);
  border-radius: var(--nx-r-card);
  background: linear-gradient(110deg,
    rgba(107, 63, 224, 0.38) 0%,
    rgba(10, 17, 48, 0.88) 46%,
    rgba(53, 227, 220, 0.3) 100%);
}

.nx-band::after {
  content: "";
  position: absolute;
  right: -12%;
  bottom: -70%;
  width: 420px;
  height: 420px;
  border-radius: 50%;
  pointer-events: none;
  background: radial-gradient(circle, rgba(53, 227, 220, 0.26), transparent 66%);
}

.nx-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.nx-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.42rem 0.9rem;
  border: 1px solid var(--nx-line);
  border-radius: var(--nx-r-pill);
  background: rgba(19, 28, 69, 0.7);
  color: var(--nx-text-dim);
  font-size: 0.85rem;
  text-decoration: none;
  transition: color 0.22s ease, border-color 0.22s ease,
    background-color 0.22s ease;
}

.nx-pill:hover {
  color: #FFFFFF;
  border-color: var(--nx-line-strong);
}

.nx-pill[aria-pressed="true"],
.nx-pill[data-active="true"] {
  border-color: transparent;
  background: linear-gradient(120deg,
    rgba(107, 63, 224, 0.75), rgba(53, 227, 220, 0.5));
  color: #FFFFFF;
}

.nx-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.24rem 0.62rem;
  border-radius: var(--nx-r-pill);
  background: rgba(107, 63, 224, 0.24);
  color: var(--nx-cyan-soft);
  font-size: 0.73rem;
  font-weight: 700;
  letter-spacing: 0.06em;
}

.nx-badge--live {
  background: rgba(75, 227, 155, 0.16);
  color: var(--nx-live);
}

.nx-badge--live::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--nx-live);
  box-shadow: 0 0 0 3px rgba(75, 227, 155, 0.2);
}

.nx-segment {
  display: inline-flex;
  gap: 4px;
  padding: 5px;
  border: 1px solid var(--nx-line);
  border-radius: var(--nx-r-pill);
  background: rgba(19, 28, 69, 0.8);
}

.nx-segment__tab {
  appearance: none;
  border: 0;
  padding: 0.5rem 1.05rem;
  border-radius: var(--nx-r-pill);
  background: transparent;
  color: var(--nx-text-dim);
  font-family: var(--nx-font-body);
  font-size: 0.9rem;
  font-weight: 700;
  cursor: pointer;
  transition: color 0.24s ease, background-color 0.24s ease;
}

.nx-segment__tab:hover {
  color: #FFFFFF;
  background: rgba(107, 63, 224, 0.26);
}

.nx-segment__tab[aria-selected="true"] {
  color: #FFFFFF;
  background: linear-gradient(120deg,
    rgba(107, 63, 224, 0.9), rgba(53, 227, 220, 0.62));
  box-shadow: 0 10px 24px -14px rgba(53, 227, 220, 0.95);
}

.nx-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 20px;
  font-size: 0.85rem;
}

.nx-breadcrumb__item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--nx-slate);
}

.nx-breadcrumb__item + .nx-breadcrumb__item::before {
  content: "/";
  color: rgba(154, 168, 204, 0.5);
}

.nx-breadcrumb__link {
  color: var(--nx-slate);
  text-decoration: none;
  transition: color 0.22s ease;
}

.nx-breadcrumb__link:hover { color: var(--nx-cyan); }

.nx-breadcrumb__current {
  color: var(--nx-text);
  font-weight: 700;
}

.nx-figure {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin: 0;
}

.nx-figure__media {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  border: 1px solid var(--nx-line);
  border-radius: var(--nx-r-card);
  background:
    radial-gradient(120% 90% at 18% 12%, rgba(107, 63, 224, 0.55), transparent 60%),
    radial-gradient(90% 80% at 82% 78%, rgba(53, 227, 220, 0.42), transparent 62%),
    linear-gradient(160deg, #131C45 0%, #0A1130 72%);
}

.nx-figure__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.nx-figure__media::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(180deg, transparent 55%, rgba(10, 17, 48, 0.5));
}

.nx-figure--wide .nx-figure__media { aspect-ratio: 21 / 9; }
.nx-figure--square .nx-figure__media { aspect-ratio: 1 / 1; }
.nx-figure--tall .nx-figure__media { aspect-ratio: 4 / 5; }

.nx-figure__caption {
  font-size: 0.83rem;
  line-height: 1.65;
  color: var(--nx-slate);
}

/* ---------- 10. 动效 ---------- */
@keyframes nx-orbit {
  to { transform: rotate(360deg); }
}

.nx-js [data-reveal] {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s ease,
    transform 0.5s cubic-bezier(0.2, 0.7, 0.3, 1);
}

.nx-js [data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

/* ---------- 11. 响应式 ---------- */
@media (max-width: 1180px) {
  .nx-header__actions .nx-btn--line { display: none; }
  .nx-nav__link { padding: 0.45rem 0.55rem; font-size: 0.88rem; }
  .nx-nav__index { font-size: 0.62rem; }
}

@media (max-width: 1000px) {
  .nx-brand__tag { display: none; }
  .nx-nav__index { display: none; }
  .nx-nav__link { gap: 0.35rem; }
  .nx-footer__top { grid-template-columns: 1fr; }
}

@media (max-width: 900px) {
  .nx-header__inner {
    grid-template-columns: minmax(0, 1fr) auto;
    padding-block: 12px;
  }

  .nx-header__actions { display: none; }

  .nx-navtoggle { display: inline-flex; }

  .nx-nav {
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    display: block;
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    visibility: hidden;
    padding-inline: var(--nx-gutter);
    background: linear-gradient(180deg, #111A3E, #0A1130);
    border-bottom: 1px solid var(--nx-line);
    box-shadow: 0 34px 64px -34px rgba(0, 0, 0, 0.95);
    transition: max-height 0.34s ease, opacity 0.26s ease,
      visibility 0.26s ease;
  }

  .nx-nav[data-open="true"] {
    max-height: min(80vh, 620px);
    overflow-y: auto;
    padding-block: 12px 20px;
    opacity: 1;
    visibility: visible;
  }

  .nx-nav__list {
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
  }

  .nx-nav__index { display: inline; }

  .nx-nav__link {
    width: 100%;
    gap: 0.6rem;
    padding: 0.72rem 0.9rem;
    border-radius: 16px;
    font-size: 1rem;
  }

  .nx-nav__dot { margin-left: auto; }

  .nx-nav__item--cta {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-top: 10px;
    padding-top: 12px;
    border-top: 1px solid var(--nx-line);
  }

  .nx-footer__bottom { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 560px) {
  body { font-size: 16px; }

  .nx-footer__contact { padding: 16px 18px; }
  .nx-footer__contactitem { font-size: 0.83rem; }
}

/* ---------- 12. 减少动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }

  .nx-js [data-reveal] {
    opacity: 1;
    transform: none;
  }
}