/* ==========================================================================
   亚新体育 · 共享站点样式 /assets/site.css
   视觉系统：深墨蓝蓝图网格 + 荧光青绿数据高亮 + 琥珀橙事件标记
   ========================================================================== */

/* ---------- 1. 设计变量 ---------- */
:root{
  --ink:#07131C;
  --panel:#0E2233;
  --panel-2:#102639;
  --line:#1E4657;
  --mint:#35F0C0;
  --mint-deep:#157F6B;
  --amber:#FFB23F;
  --wine:#7C2F4B;
  --indigo:#403A8F;
  --text:#E8F3F7;
  --muted:#93A9B6;
  --glass:rgba(168,216,232,.08);
  --glass-strong:rgba(168,216,232,.15);

  --font-sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans CJK SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --font-mono:"JetBrains Mono",ui-monospace,"SF Mono","Cascadia Mono","Roboto Mono",Menlo,Consolas,monospace;

  --ease:cubic-bezier(.22,.7,.32,1);
  --shell:1440px;
  --gutter:clamp(16px,4.5vw,72px);
  --header-h:58px;
  --radius:2px;
}

@media (max-width:900px){
  :root{--header-h:54px}
}

/* ---------- 2. 重置与基础排版 ---------- */
*,
*::before,
*::after{box-sizing:border-box}

html{
  -webkit-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{
  display:block;
  max-width:100%;
  height:auto;
}

button{
  font:inherit;
  color:inherit;
}

::selection{
  background:var(--mint);
  color:#04140F;
}

body{
  min-height:100vh;
  background-color:var(--ink);
  background-image:
    linear-gradient(to right,rgba(30,70,87,.34) 1px,transparent 1px),
    linear-gradient(to bottom,rgba(30,70,87,.34) 1px,transparent 1px);
  background-size:88px 88px,88px 88px;
  background-position:center top;
  color:var(--text);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}

h1,h2,h3,h4{
  font-weight:800;
  line-height:1.15;
  letter-spacing:.015em;
  color:var(--text);
}

h1{
  font-size:clamp(30px,4.2vw,52px);
  line-height:1.08;
  letter-spacing:.02em;
}

h2{font-size:clamp(22px,2.6vw,32px)}
h3{font-size:20px;line-height:1.3}

p{line-height:1.75}

a{
  color:var(--mint);
  text-decoration:none;
  text-underline-offset:3px;
}

/* ---------- 3. 焦点与动效偏好 ---------- */
:focus-visible{
  outline:2px solid var(--mint);
  outline-offset:2px;
  box-shadow:0 0 0 4px rgba(7,19,28,.92);
  border-radius:2px;
}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,
  *::before,
  *::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
    scroll-behavior:auto !important;
  }
}

/* ---------- 4. 布局工具 ---------- */
.container{
  width:100%;
  max-width:var(--shell);
  margin-inline:auto;
  padding-inline:var(--gutter);
}

.blueprint-grid{
  display:grid;
  grid-template-columns:repeat(12,minmax(0,1fr));
  gap:24px;
}

@media (max-width:1024px){
  .blueprint-grid{grid-template-columns:repeat(6,minmax(0,1fr));gap:20px}
}

@media (max-width:640px){
  .blueprint-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
}

/* ---------- 5. 文本工具 ---------- */
.kicker{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-family:var(--font-mono);
  font-size:11px;
  font-weight:500;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--mint);
  line-height:1.4;
}

.kicker::before{
  content:"";
  width:14px;
  height:1px;
  background:var(--mint);
  opacity:.85;
}

.h-display{
  font-size:clamp(30px,4.2vw,52px);
  line-height:1.08;
  letter-spacing:.02em;
  font-weight:800;
  color:var(--text);
}

.num{
  font-family:var(--font-mono);
  font-variant-numeric:tabular-nums;
  font-weight:700;
  letter-spacing:-.01em;
}

.page-head{
  padding-block:clamp(26px,3.6vw,48px) clamp(18px,2.4vw,28px);
}

.page-head__sub{
  margin-top:12px;
  max-width:56ch;
  font-size:15px;
  color:var(--muted);
  line-height:1.75;
}

.prose{
  max-width:68ch;
  color:#D7E6EE;
  line-height:1.75;
}

.prose > * + *{margin-top:1em}

.prose a{
  color:var(--mint);
  text-decoration:underline;
  text-decoration-color:rgba(53,240,192,.45);
  text-decoration-thickness:1px;
}

/* ---------- 6. 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:.5em;
  min-height:38px;
  padding:9px 16px;
  font-family:var(--font-sans);
  font-size:13.5px;
  font-weight:600;
  line-height:1.2;
  letter-spacing:.02em;
  color:var(--text);
  background:transparent;
  border:1px solid var(--line);
  border-radius:var(--radius);
  cursor:pointer;
  text-decoration:none;
  transition:background-color 150ms var(--ease),border-color 150ms var(--ease),color 150ms var(--ease),transform 150ms var(--ease);
}

.btn:hover{
  border-color:var(--mint-deep);
  background:var(--glass);
  transform:translateY(-1px);
}

.btn:active{transform:translateY(0)}

.btn--primary{
  background:var(--mint);
  border-color:var(--mint);
  color:#04140F;
  font-weight:700;
}

.btn--primary:hover{
  background:#5CF6CE;
  border-color:#5CF6CE;
  color:#04140F;
}

.btn--ghost{
  background:var(--glass);
  border-color:var(--line);
  color:var(--text);
}

.btn--ghost:hover{
  border-color:var(--mint);
  color:var(--mint);
}

.btn--amber{
  background:transparent;
  border-color:rgba(255,178,63,.55);
  color:var(--amber);
}

.btn--amber:hover{
  background:rgba(255,178,63,.12);
  border-color:var(--amber);
}

.btn--sm{
  min-height:32px;
  padding:6px 12px;
  font-size:12.5px;
}

@media (max-width:560px){
  .btn--sm{min-height:34px;padding:6px 10px;font-size:12px}
}

/* ---------- 7. 面板、卡片、标签 ---------- */
.card{
  position:relative;
  display:block;
  padding:clamp(16px,2vw,24px);
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--radius);
  color:inherit;
  transition:transform 160ms var(--ease),border-color 160ms var(--ease),background-color 160ms var(--ease);
}

.card:hover,
.card:focus-within{
  transform:translateY(-2px);
  border-color:var(--mint-deep);
  background:var(--panel-2);
}

.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:3px 8px;
  font-family:var(--font-mono);
  font-size:10.5px;
  font-weight:500;
  letter-spacing:.12em;
  text-transform:uppercase;
  line-height:1.5;
  border:1px solid currentColor;
  border-radius:2px;
  white-space:nowrap;
}

.tag--mint{color:var(--mint)}
.tag--amber{color:var(--amber)}
.tag--wine{color:#E9A3BB;background:rgba(124,47,75,.28)}
.tag--indigo{color:#B9B4F5;background:rgba(64,58,143,.3)}

/* ---------- 8. 图片容器基础规则 ---------- */
.media-frame{
  position:relative;
  display:block;
  width:100%;
  overflow:hidden;
  aspect-ratio:16 / 9;
  border:1px solid var(--line);
  border-radius:var(--radius);
  background:
    linear-gradient(155deg,rgba(53,240,192,.12),rgba(64,58,143,.2) 52%,rgba(124,47,75,.18)),
    var(--panel);
}

.media-frame img{
  width:100%;
  height:100%;
  object-fit:cover;
  filter:saturate(.82) contrast(1.06) brightness(.94);
}

.media-frame::after{
  content:"";
  position:absolute;
  inset:0;
  pointer-events:none;
  box-shadow:inset 0 0 60px 14px rgba(7,19,28,.55);
}

.media-frame--wide{aspect-ratio:21 / 9}
.media-frame--tall{aspect-ratio:3 / 4}

/* ---------- 9. 面包屑 ---------- */
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.12em;
  text-transform:uppercase;
  color:var(--muted);
  padding-block:14px 0;
}

.breadcrumb a{
  color:var(--muted);
  border-bottom:1px solid transparent;
  transition:color 150ms var(--ease),border-color 150ms var(--ease);
}

.breadcrumb a:hover{
  color:var(--mint);
  border-bottom-color:var(--mint);
}

.breadcrumb__sep{
  color:var(--line);
  user-select:none;
}

.breadcrumb [aria-current="page"]{color:var(--text)}

/* ---------- 10. 横向轨道与显现协议 ---------- */
[data-rail]{
  display:flex;
  gap:16px;
  overflow-x:auto;
  overscroll-behavior-x:contain;
  scroll-snap-type:x mandatory;
  -webkit-overflow-scrolling:touch;
  padding-block-end:10px;
  scrollbar-width:thin;
  scrollbar-color:var(--line) transparent;
}

[data-rail] > *{
  flex:0 0 auto;
  scroll-snap-align:start;
}

[data-rail]::-webkit-scrollbar{height:4px}
[data-rail]::-webkit-scrollbar-track{background:transparent}
[data-rail]::-webkit-scrollbar-thumb{background:var(--line);border-radius:2px}

[data-reveal]{
  transition:opacity 420ms var(--ease),transform 420ms var(--ease);
}

.js [data-reveal]{
  opacity:0;
  transform:translateY(10px);
}

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

@media (prefers-reduced-motion:reduce){
  .js [data-reveal]{
    opacity:1;
    transform:none;
    transition:none;
  }
}

/* ---------- 11. 头部 ---------- */
.skip-link{
  position:absolute;
  top:-120px;
  left:16px;
  z-index:999;
  padding:10px 18px;
  font-family:var(--font-sans);
  font-size:13px;
  font-weight:700;
  color:#04140F;
  background:var(--mint);
  border-radius:0 0 3px 3px;
  transition:top 150ms var(--ease);
}

.skip-link:focus,
.skip-link:focus-visible{
  top:0;
  outline-offset:-4px;
}

.site-header{
  position:sticky;
  top:0;
  z-index:200;
  background:rgba(7,19,28,.9);
  border-bottom:1px solid var(--line);
  backdrop-filter:blur(16px) saturate(150%);
  -webkit-backdrop-filter:blur(16px) saturate(150%);
}

.header-shell{
  position:relative;
  display:flex;
  align-items:center;
  gap:12px;
  width:100%;
  max-width:var(--shell);
  min-height:var(--header-h);
  margin-inline:auto;
  padding-inline:var(--gutter);
}

/* 品牌 */
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex:none;
  min-height:44px;
  text-decoration:none;
  color:var(--text);
}

.brand-mark{
  display:grid;
  grid-template-columns:repeat(2,5px);
  grid-template-rows:repeat(2,5px);
  gap:2px;
  flex:none;
}

.brand-mark i{display:block;background:var(--mint)}
.brand-mark i:nth-child(2){background:var(--mint-deep)}
.brand-mark i:nth-child(3){background:var(--line)}
.brand-mark i:nth-child(4){background:var(--mint)}

.brand-text{
  display:flex;
  flex-direction:column;
  gap:2px;
  line-height:1.1;
}

.brand-text__name{
  font-size:15px;
  font-weight:800;
  letter-spacing:.08em;
  color:var(--text);
}

.brand-text__tag{
  font-family:var(--font-mono);
  font-size:9.5px;
  letter-spacing:.14em;
  color:var(--muted);
  white-space:nowrap;
}

/* 主导航 */
.primary-nav{margin-left:auto}

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

.primary-nav__item{display:block}

.primary-nav__link{
  display:inline-flex;
  align-items:center;
  min-height:var(--header-h);
  padding:0 11px;
  font-size:13.5px;
  font-weight:500;
  letter-spacing:.04em;
  color:var(--muted);
  text-decoration:none;
  border-bottom:2px solid transparent;
  transition:color 150ms var(--ease),border-color 150ms var(--ease),background-color 150ms var(--ease);
}

.primary-nav__link:hover{
  color:var(--text);
  background:var(--glass);
}

.primary-nav__link[aria-current="page"]{
  color:var(--mint);
  font-weight:700;
}

@media (min-width:901px){
  .primary-nav__link[aria-current="page"]{border-bottom-color:var(--mint)}
}

.primary-nav__foot{display:none}

/* 头部工具 */
.header-tools{
  display:flex;
  align-items:center;
  gap:8px;
  flex:none;
  margin-left:auto;
}

.header-chip{
  display:inline-flex;
  align-items:center;
  padding:4px 8px;
  font-family:var(--font-mono);
  font-size:10px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--muted);
  border:1px solid var(--line);
  border-radius:2px;
  white-space:nowrap;
}

/* 移动导航按钮 */
.nav-toggle{
  display:none;
  align-items:center;
  gap:8px;
  min-height:40px;
  padding:0 12px;
  font-family:var(--font-sans);
  font-size:13px;
  font-weight:700;
  letter-spacing:.06em;
  color:var(--text);
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--radius);
  cursor:pointer;
  transition:border-color 150ms var(--ease),background-color 150ms var(--ease);
}

.nav-toggle:hover{
  border-color:var(--mint);
  background:var(--glass-strong);
}

.nav-toggle__bars{
  display:inline-flex;
  flex-direction:column;
  gap:3px;
  width:14px;
}

.nav-toggle__bars i{
  display:block;
  height:1.5px;
  background:var(--mint);
  border-radius:2px;
  transition:transform 160ms var(--ease),opacity 160ms var(--ease);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bars i:nth-child(1){transform:translateY(4.5px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars i:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars i:nth-child(3){transform:translateY(-4.5px) rotate(-45deg)}

/* 阅读进度轨 */
.scroll-progress{
  position:absolute;
  left:0;
  right:0;
  bottom:-1px;
  height:2px;
  background:rgba(30,70,87,.7);
  pointer-events:none;
}

.scroll-progress__bar{
  display:block;
  height:100%;
  width:100%;
  background:linear-gradient(90deg,var(--mint-deep),var(--mint));
  transform:scaleX(0);
  transform-origin:0 50%;
  transition:transform 90ms linear;
}

/* ---------- 12. 头部移动端 ---------- */
@media (max-width:900px){
  .nav-toggle{display:inline-flex}
  .header-chip{display:none}

  .primary-nav{
    position:absolute;
    top:100%;
    left:0;
    right:0;
    margin-left:0;
    max-height:0;
    overflow:hidden;
    visibility:hidden;
    background:rgba(9,23,34,.98);
    border-bottom:1px solid var(--line);
    backdrop-filter:blur(18px) saturate(140%);
    -webkit-backdrop-filter:blur(18px) saturate(140%);
    transition:max-height 220ms var(--ease),visibility 220ms var(--ease);
  }

  .primary-nav[data-open]{
    max-height:min(78vh,560px);
    overflow-y:auto;
    visibility:visible;
    box-shadow:0 18px 40px rgba(0,0,0,.45);
  }

  .primary-nav__list{
    flex-direction:column;
    align-items:stretch;
    gap:0;
    padding:6px 0;
  }

  .primary-nav__link{
    display:flex;
    justify-content:space-between;
    width:100%;
    min-height:48px;
    padding:0 20px;
    font-size:15px;
    border-bottom:1px solid rgba(30,70,87,.55);
    border-left:2px solid transparent;
  }

  .primary-nav__link[aria-current="page"]{
    border-bottom-color:rgba(30,70,87,.55);
    border-left-color:var(--mint);
    background:rgba(53,240,192,.07);
  }

  .primary-nav__foot{
    display:flex;
    flex-wrap:wrap;
    align-items:center;
    gap:10px;
    padding:16px 20px 20px;
    border-top:1px solid var(--line);
  }

  .primary-nav__meta{
    flex:1 1 100%;
    font-family:var(--font-mono);
    font-size:10.5px;
    letter-spacing:.12em;
    text-transform:uppercase;
    color:var(--muted);
  }
}

@media (max-width:560px){
  .header-cta{display:none}
  .brand-text__tag{display:none}
  .brand-text__name{font-size:14px;letter-spacing:.06em}
  .header-tools{gap:6px}
  .nav-toggle{padding:0 10px}
}

@media (min-width:901px){
  .nav-toggle{display:none}
}

/* ---------- 13. 页脚 ---------- */
.site-footer{
  position:relative;
  z-index:1;
  margin-top:clamp(48px,7vw,96px);
  background:#060F16;
  border-top:1px solid var(--line);
}

.site-footer::before{
  content:"";
  position:absolute;
  inset:0 0 auto;
  height:2px;
  background:linear-gradient(90deg,transparent,var(--mint-deep) 30%,var(--mint) 50%,var(--mint-deep) 70%,transparent);
  opacity:.6;
}

.footer-shell{
  width:100%;
  max-width:var(--shell);
  margin-inline:auto;
  padding:clamp(34px,5vw,64px) var(--gutter) clamp(20px,3vw,28px);
}

.footer-grid{
  display:grid;
  grid-template-columns:minmax(0,1.7fr) repeat(3,minmax(0,.85fr));
  gap:clamp(24px,3vw,48px);
}

@media (max-width:900px){
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-brand{grid-column:1 / -1}
}

@media (max-width:520px){
  .footer-grid{grid-template-columns:1fr}
}

.footer-brand{
  display:flex;
  flex-direction:column;
  gap:14px;
  max-width:42ch;
}

.footer-brand__mark{
  display:inline-flex;
  align-items:center;
  gap:10px;
  text-decoration:none;
  color:var(--text);
}

.footer-brand__name{
  font-size:16px;
  font-weight:800;
  letter-spacing:.1em;
  color:var(--text);
}

.footer-brand__desc{
  font-size:13.5px;
  line-height:1.8;
  color:var(--muted);
}

.footer-brand__status{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-family:var(--font-mono);
  font-size:10.5px;
  letter-spacing:.12em;
  text-transform:uppercase;
  color:var(--mint);
}

.footer-brand__dot{
  width:6px;
  height:6px;
  background:var(--mint);
  border-radius:50%;
  box-shadow:0 0 0 3px rgba(53,240,192,.16);
}

.footer-col__title{
  font-family:var(--font-mono);
  font-size:10.5px;
  font-weight:500;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--muted);
  padding-bottom:10px;
  margin-bottom:12px;
  border-bottom:1px solid var(--line);
}

.footer-col__list{
  display:flex;
  flex-direction:column;
  gap:2px;
}

.footer-col__link{
  display:inline-flex;
  align-items:center;
  min-height:32px;
  font-size:14px;
  color:#C6D9E3;
  text-decoration:none;
  border-bottom:1px solid transparent;
  transition:color 150ms var(--ease),border-color 150ms var(--ease),padding-left 150ms var(--ease);
}

.footer-col__link:hover{
  color:var(--mint);
  padding-left:4px;
  border-bottom-color:rgba(53,240,192,.5);
}

.footer-contact{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(190px,1fr));
  gap:18px 28px;
  margin-top:clamp(28px,4vw,46px);
  padding-top:clamp(20px,3vw,28px);
  border-top:1px solid var(--line);
}

.footer-contact__item{
  display:flex;
  flex-direction:column;
  gap:4px;
  min-width:0;
}

.footer-contact__key{
  font-family:var(--font-mono);
  font-size:10px;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--mint-deep);
}

.footer-contact__val{
  font-size:14px;
  line-height:1.6;
  color:var(--text);
  overflow-wrap:anywhere;
}

.footer-contact__note{
  grid-column:1 / -1;
  padding-top:6px;
  font-size:12.5px;
  line-height:1.75;
  color:var(--muted);
}

.footer-legal{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:10px 24px;
  margin-top:clamp(24px,3vw,36px);
  padding-top:18px;
  border-top:1px solid var(--line);
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.1em;
  color:var(--muted);
}

.footer-legal__copy,
.footer-legal__icp{line-height:1.6}

/* ---------- 14. 通用降级 ---------- */
@media (prefers-reduced-motion:reduce){
  .btn:hover,
  .card:hover,
  .card:focus-within{transform:none}
  .scroll-progress__bar{transition:none}
}