/* ============================================================
   金博体育 · 共享样式 /assets/site.css
   夜场墨绿 + 荧光绿 · 赛季手账体系
   ============================================================ */

/* ---------- 1. 设计令牌 ---------- */
:root{
  --ink-900:#0A2A21;
  --carbon:#101416;
  --moss:#17402F;
  --turf:#0F3527;
  --neon:#A9FF3C;
  --gold:#E9B85B;
  --red:#C8322B;
  --cream:#F3EFE4;
  --lichen:#E4EADF;
  --stone:#6E7773;

  --neon-06:rgba(169,255,60,.06);
  --neon-14:rgba(169,255,60,.14);
  --neon-30:rgba(169,255,60,.30);
  --neon-46:rgba(169,255,60,.46);
  --gold-40:rgba(233,184,91,.40);
  --cream-72:rgba(243,239,228,.72);
  --cream-52:rgba(243,239,228,.52);
  --hairline:rgba(243,239,228,.10);

  --font-title:"Barlow Condensed","Oswald","Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  --font-body:"Noto Sans SC","Source Han Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --font-data:"IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,"Courier New",monospace;

  --shell:1240px;
  --header-h:74px;
  --radius-s:10px;
  --radius-m:18px;
  --radius-l:28px;
  --pill:999px;

  --slope:-7deg;
  --ease:cubic-bezier(.22,.7,.28,1);
  --shadow-lift:0 18px 38px rgba(0,0,0,.38);
}

/* ---------- 2. Reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{
  -webkit-text-size-adjust:100%;
  scroll-behavior:smooth;
  scroll-padding-top:calc(var(--header-h) + 16px);
}
body{
  margin:0;
  padding-top:var(--header-h);
  background:var(--ink-900);
  color:var(--cream);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.75;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3,h4,h5,h6{
  margin:0 0 .6em;
  font-family:var(--font-title);
  font-weight:900;
  line-height:1.06;
  letter-spacing:-.005em;
}
h1{font-size:clamp(36px,7vw,64px)}
h2{font-size:clamp(26px,4vw,40px)}
h3{font-size:clamp(20px,2.6vw,26px)}
p{margin:0 0 1em}
img{max-width:100%;height:auto;display:block}
ul,ol{margin:0;padding:0}
a{color:inherit}
button{font:inherit}
::selection{background:var(--neon);color:#0A2318}

:focus-visible{outline:2px solid var(--neon);outline-offset:2px;border-radius:4px}

/* ---------- 3. 布局基础 ---------- */
.shell{
  width:100%;
  max-width:var(--shell);
  margin:0 auto;
  padding:0 24px;
}
.section{padding:96px 0}
.section--tight{padding:56px 0}
.section--breath{padding:140px 0}
.prose{max-width:38em}
.prose p{color:var(--cream-72)}
.lead{font-size:18px;line-height:1.8;color:var(--cream-72)}

.surface-light{
  background:var(--lichen);
  color:#101416;
}
.surface-light h1,.surface-light h2,.surface-light h3{color:#0A2A21}
.surface-light p{color:#1d2823}
.surface-light a{color:var(--turf)}
.surface-light a:hover{color:#0A2A21}
.surface-moss{background:var(--moss)}
.surface-carbon{background:var(--carbon)}

.grid{display:grid;gap:20px}
.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}

/* ---------- 4. 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:11px 20px;
  border:1px solid transparent;
  border-radius:var(--pill);
  font-family:var(--font-body);
  font-size:14.5px;
  font-weight:600;
  letter-spacing:.02em;
  text-decoration:none;
  cursor:pointer;
  transition:transform .18s var(--ease),background-color .18s var(--ease),
             color .18s var(--ease),border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.btn-neon{background:var(--neon);color:#0A2318;border-color:var(--neon)}
.btn-neon:hover{background:#C2FF6E;transform:translateY(-2px);box-shadow:0 12px 26px rgba(169,255,60,.24)}
.btn-ghost{background:transparent;color:var(--cream);border-color:var(--neon-46)}
.btn-ghost:hover{border-color:var(--neon);color:var(--neon);transform:translateY(-2px)}
.btn-gold{background:transparent;color:var(--gold);border-color:var(--gold-40)}
.btn-gold:hover{background:rgba(233,184,91,.12);transform:translateY(-2px)}

/* ---------- 5. 页头：荧光入口带 + 悬浮胶囊浮岛 ---------- */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:90;
  transition:opacity .3s var(--ease);
}
.site-header::before{
  content:"";
  display:block;
  height:4px;
  background:linear-gradient(90deg,
    var(--neon) 0 42%,
    var(--gold) 42% 56%,
    rgba(169,255,60,.22) 56% 100%);
  transition:opacity .3s var(--ease);
}
.header-band{
  position:relative;
  background:rgba(10,42,33,.94);
  border-bottom:1px solid var(--neon-14);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  transition:max-width .3s var(--ease),border-radius .3s var(--ease),
             background-color .3s var(--ease),border-color .3s var(--ease),
             box-shadow .3s var(--ease);
}
.header-inner{
  display:flex;
  align-items:center;
  gap:18px;
  max-width:var(--shell);
  min-height:68px;
  margin:0 auto;
  padding:8px 24px;
}

/* 品牌 */
.brand{
  display:inline-flex;
  align-items:center;
  gap:11px;
  flex:0 0 auto;
  color:var(--cream);
  text-decoration:none;
}
.brand-mark{
  display:grid;
  place-items:center;
  width:34px;height:34px;
  border-radius:9px;
  background:var(--neon);
  color:#0A2318;
  font-family:var(--font-title);
  font-size:19px;
  font-weight:900;
  transform:skewX(var(--slope));
}
.brand-text{display:flex;flex-direction:column;line-height:1}
.brand-name{
  font-family:var(--font-title);
  font-size:19px;
  font-weight:900;
  letter-spacing:.02em;
}
.brand-sub{
  margin-top:3px;
  font-family:var(--font-data);
  font-size:9.5px;
  letter-spacing:.24em;
  color:var(--neon);
  text-transform:uppercase;
}
.brand--footer .brand-mark{width:42px;height:42px;font-size:22px}
.brand--footer .brand-name{font-size:25px}
.brand--footer .brand-sub{font-size:10.5px}

/* 导航胶囊 */
.primary-nav{margin-left:auto}
.nav-list{
  display:flex;
  gap:2px;
  padding:4px;
  list-style:none;
  border:1px solid var(--neon-14);
  border-radius:var(--pill);
  background:rgba(16,20,22,.62);
}
.nav-link{
  position:relative;
  display:block;
  padding:8px 14px;
  border-radius:var(--pill);
  color:var(--cream-72);
  font-size:14.5px;
  font-weight:500;
  letter-spacing:.02em;
  text-decoration:none;
  transition:color .18s var(--ease),background-color .18s var(--ease),box-shadow .18s var(--ease);
}
.nav-link::after{
  content:"";
  position:absolute;
  left:14px;right:14px;bottom:4px;
  height:2px;
  border-radius:2px;
  background:var(--gold);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .2s var(--ease);
}
.nav-link:hover{color:var(--neon);background:var(--neon-06)}
.nav-link[aria-current="page"]{
  color:var(--cream);
  background:var(--neon-06);
  box-shadow:inset 0 0 0 1px var(--neon);
}
.nav-link[aria-current="page"]::after{transform:scaleX(1)}

/* 工具区 */
.header-tools{
  display:flex;
  align-items:center;
  gap:12px;
  flex:0 0 auto;
}
.device-tag{
  display:inline-flex;
  align-items:center;
  gap:7px;
  padding:6px 11px;
  border:1px dashed var(--neon-30);
  border-radius:var(--pill);
  font-family:var(--font-data);
  font-size:11px;
  letter-spacing:.1em;
  color:var(--cream-52);
}
.device-tag::before{
  content:"";
  width:6px;height:6px;
  border-radius:50%;
  background:var(--neon);
  box-shadow:0 0 0 3px var(--neon-14);
}

/* 移动菜单按钮 */
.nav-toggle{
  display:none;
  place-items:center;
  width:44px;height:44px;
  padding:0;
  border:1px solid var(--neon-30);
  border-radius:var(--pill);
  background:rgba(16,20,22,.7);
  color:var(--cream);
  cursor:pointer;
  transition:border-color .18s var(--ease),background-color .18s var(--ease);
}
.nav-toggle:hover{border-color:var(--neon);background:var(--neon-06)}
.nav-toggle-bars{
  position:relative;
  display:block;
  width:18px;height:2px;
  border-radius:2px;
  background:currentColor;
  transition:background-color .18s var(--ease);
}
.nav-toggle-bars::before,
.nav-toggle-bars::after{
  content:"";
  position:absolute;
  left:0;
  width:18px;height:2px;
  border-radius:2px;
  background:currentColor;
  transition:transform .18s var(--ease),top .18s var(--ease);
}
.nav-toggle-bars::before{top:-6px}
.nav-toggle-bars::after{top:6px}
.site-header[data-open="true"] .nav-toggle-bars{background:transparent}
.site-header[data-open="true"] .nav-toggle-bars::before{top:0;transform:rotate(45deg)}
.site-header[data-open="true"] .nav-toggle-bars::after{top:0;transform:rotate(-45deg)}

/* 滚动进度 */
.scroll-progress{
  position:absolute;
  left:0;right:0;bottom:0;
  height:2px;
  background:linear-gradient(90deg,var(--neon),var(--gold));
  transform:scaleX(0);
  transform-origin:left center;
  pointer-events:none;
}

/* 浮岛收缩态 */
.site-header.is-condensed .header-band{
  max-width:1140px;
  margin:0 auto;
  border:1px solid var(--neon-30);
  border-top:0;
  border-radius:0 0 26px 26px;
  background:rgba(16,20,22,.95);
  box-shadow:0 22px 46px rgba(0,0,0,.46);
}
.site-header.is-condensed::before{opacity:.4}

/* 跳过链接 */
.skip-link{
  position:absolute;
  top:0;left:16px;
  z-index:120;
  padding:10px 18px;
  border-radius:0 0 12px 12px;
  background:var(--neon);
  color:#0A2318;
  font-size:14px;
  font-weight:700;
  text-decoration:none;
  transform:translateY(-120%);
  transition:transform .18s var(--ease);
}
.skip-link:focus{transform:translateY(0)}

/* ---------- 6. 页脚 ---------- */
.site-footer{
  position:relative;
  margin-top:120px;
  background:linear-gradient(180deg,var(--ink-900) 0%,var(--carbon) 46%,#0B0E0F 100%);
  border-top:1px solid var(--neon-30);
  color:var(--cream);
}
.site-footer::before{
  content:"";
  position:absolute;
  top:-1px;left:0;
  width:min(42%,460px);
  height:3px;
  background:var(--neon);
  transform:skewX(var(--slope));
  transform-origin:left center;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr .85fr .95fr 1.25fr;
  gap:44px 32px;
  max-width:var(--shell);
  margin:0 auto;
  padding:76px 24px 48px;
}
.footer-col--brand{min-width:0}
.footer-tagline{
  max-width:26em;
  margin:18px 0 0;
  font-size:15px;
  line-height:1.7;
  color:var(--cream-72);
}
.footer-meta{
  display:flex;
  align-items:flex-start;
  gap:9px;
  margin:14px 0 0;
  font-family:var(--font-data);
  font-size:12px;
  letter-spacing:.04em;
  color:var(--stone);
}
.dot{
  flex:0 0 auto;
  width:7px;height:7px;
  margin-top:7px;
  border-radius:50%;
}
.dot--neon{background:var(--neon);box-shadow:0 0 0 3px var(--neon-14)}
.dot--gold{background:var(--gold);box-shadow:0 0 0 3px rgba(233,184,91,.16)}

.footer-title{
  margin:0 0 18px;
  font-family:var(--font-data);
  font-size:11px;
  font-weight:500;
  letter-spacing:.2em;
  text-transform:uppercase;
  color:var(--gold);
}
.footer-list{
  display:grid;
  gap:11px;
  list-style:none;
}
.footer-list li{min-width:0}
.footer-list a{
  font-size:14.5px;
  color:var(--cream-72);
  text-decoration:none;
  transition:color .18s var(--ease),padding-left .18s var(--ease);
}
.footer-list a:hover{color:var(--neon);padding-left:4px}
.footer-static{font-size:14.5px;color:var(--cream-52)}
.footer-list--plain{gap:16px}
.footer-list--plain li{display:flex;flex-direction:column;gap:4px}
.footer-label{
  font-family:var(--font-data);
  font-size:10.5px;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--stone);
}
.footer-value{
  font-size:14px;
  line-height:1.6;
  color:var(--cream-72);
  word-break:break-word;
}
.footer-link-strong{
  align-self:flex-start;
  margin-top:4px;
  padding-bottom:2px;
  border-bottom:1px solid var(--neon-30);
  font-size:14.5px;
  color:var(--neon) !important;
  text-decoration:none;
}
.footer-link-strong:hover{border-color:var(--neon)}

.footer-legal{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:14px 28px;
  max-width:var(--shell);
  margin:0 auto;
  padding:24px 24px 44px;
  border-top:1px solid var(--hairline);
}
.legal-links{
  display:flex;
  flex-wrap:wrap;
  gap:8px 24px;
  list-style:none;
}
.legal-links a{
  font-size:13.5px;
  color:var(--cream-52);
  text-decoration:none;
  transition:color .18s var(--ease);
}
.legal-links a:hover{color:var(--neon)}
.legal-icp,
.legal-copy{
  margin:0;
  font-family:var(--font-data);
  font-size:12.5px;
  letter-spacing:.04em;
  color:var(--stone);
}

/* ---------- 7. 通用内容组件 ---------- */
.breadcrumb{
  display:flex;
  align-items:center;
  padding-top:22px;
  font-family:var(--font-data);
  font-size:12.5px;
  letter-spacing:.06em;
  color:var(--stone);
}
.breadcrumb ol{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px;
  list-style:none;
}
.breadcrumb li{display:flex;align-items:center;gap:10px}
.breadcrumb li + li::before{content:"/";color:rgba(110,119,115,.7)}
.breadcrumb a{color:var(--cream-52);text-decoration:none}
.breadcrumb a:hover{color:var(--neon)}
.surface-light .breadcrumb,
.surface-light .breadcrumb a{color:#5b6660}
.surface-light .breadcrumb a:hover{color:#0A2A21}

.card{
  padding:22px;
  border:1px solid var(--neon-14);
  border-radius:var(--radius-m);
  background:var(--moss);
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),border-color .18s var(--ease);
}
.card:hover{
  transform:translateY(-4px);
  border-color:var(--neon-30);
  box-shadow:var(--shadow-lift);
}

.round-badge{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:5px 12px;
  border:1px solid var(--gold-40);
  border-radius:var(--pill);
  font-family:var(--font-data);
  font-size:12px;
  letter-spacing:.14em;
  color:var(--gold);
}
.round-badge--live{color:var(--neon);border-color:var(--neon-46)}
.round-badge--alert{color:#FF7A6E;border-color:rgba(200,50,43,.6)}

.num{
  font-family:var(--font-data);
  font-variant-numeric:tabular-nums;
  font-feature-settings:"tnum" 1;
  letter-spacing:0;
}

/* 图片容器（页面阶段放入 <img> 即可） */
.media-frame{
  position:relative;
  display:block;
  overflow:hidden;
  border-radius:var(--radius-m);
  background:linear-gradient(158deg,#14382A 0%,var(--ink-900) 58%,var(--carbon) 100%);
}
.media-frame::after{
  content:"";
  position:absolute;
  inset:auto -20% -55% -20%;
  height:70%;
  background:radial-gradient(60% 70% at 50% 100%,rgba(169,255,60,.16),transparent 70%);
  pointer-events:none;
}
.media-frame img{
  position:relative;
  z-index:1;
  width:100%;height:100%;
  object-fit:cover;
}
.media-frame--wide{aspect-ratio:16/9}
.media-frame--square{aspect-ratio:1/1}
.media-frame--tall{aspect-ratio:9/16}
.media-frame--tall img{object-position:center top}
.media-caption{
  margin:10px 0 0;
  font-family:var(--font-data);
  font-size:12px;
  letter-spacing:.06em;
  color:var(--stone);
}

/* ---------- 8. 入场与显现 ---------- */
.js [data-reveal]{
  opacity:0;
  transform:translateY(14px);
  transition:opacity .5s var(--ease),transform .5s var(--ease);
}
.js [data-reveal].is-visible{opacity:1;transform:none}

/* ---------- 9. 响应式 ---------- */
@media (max-width:1200px){
  .site-header.is-condensed .header-band{max-width:calc(100% - 28px)}
}
@media (max-width:1100px){
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:40px 28px}
  .footer-col--brand{grid-column:1 / -1}
}
@media (max-width:1024px){
  .grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .section{padding:78px 0}
  .section--breath{padding:104px 0}
}
@media (max-width:960px){
  :root{--header-h:70px}
  .header-inner{min-height:64px;padding:6px 18px;gap:12px}
  .device-tag{display:none}
  .nav-toggle{display:grid}
  .primary-nav{
    position:absolute;
    top:calc(100% + 8px);
    left:16px;right:16px;
    display:none;
    margin:0;
    padding:10px;
    border:1px solid var(--neon-30);
    border-radius:var(--radius-m);
    background:var(--carbon);
    box-shadow:0 26px 50px rgba(0,0,0,.55);
  }
  .site-header[data-open="true"] .primary-nav{display:block}
  .nav-list{
    flex-direction:column;
    gap:4px;
    padding:0;
    border:0;
    background:transparent;
  }
  .nav-link{
    padding:13px 14px;
    border-radius:12px;
    font-size:16px;
    color:var(--cream);
  }
  .nav-link::after{display:none}
  .nav-link[aria-current="page"]{background:var(--neon-06)}
  .header-cta{padding:9px 16px;font-size:13.5px}
  .site-header.is-condensed .header-band{border-radius:0 0 18px 18px}
}
@media (max-width:760px){
  .footer-grid{grid-template-columns:1fr;gap:36px;padding:60px 22px 36px}
  .footer-legal{flex-direction:column;align-items:flex-start;gap:14px;padding:22px 22px 36px}
  .site-footer{margin-top:88px}
}
@media (max-width:640px){
  .shell{padding:0 20px}
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr}
  .section{padding:62px 0}
  .section--breath{padding:80px 0}
  .header-inner{padding:6px 14px}
  .brand-sub{display:none}
  .header-cta{padding:8px 13px;font-size:13px}
  .media-frame--tall{aspect-ratio:3/4}
}
@media (max-width:380px){
  .header-cta{display:none}
}

/* ---------- 10. 减少动效 ---------- */
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
  }
  .js [data-reveal]{opacity:1;transform:none}
  .card:hover,.btn:hover{transform:none}
}