/* ===== 球体育免费 · 共享样式 /assets/site.css ===== */

:root{
  --moss:#0B3D2E;
  --moss-deep:#06231A;
  --lime:#C6FF3D;
  --blue:#2D9CFF;
  --orange:#FF5C39;
  --mint:#7CE8C0;
  --gold:#FFC94A;
  --card:#EAFBF3;
  --paper:#F4F7F5;
  --ink:#0F2A20;
  --ink-soft:#10231C;
  --ink-mute:#3E5B50;
  --line:rgba(198,255,61,.28);
  --rail-w:84px;
  --bar-h:64px;
  --radius:16px;
  --radius-sm:10px;
  --shadow:0 18px 44px rgba(3,16,12,.42);
  --ease:cubic-bezier(.22,.72,.24,1);
  --font-display:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  --font-body:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --font-data:"JetBrains Mono","DIN Alternate",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --grid:12;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--moss);
  color:var(--card);
  font-family:var(--font-body);
  font-size:17px;
  line-height:1.75;
  font-weight:400;
  letter-spacing:.01em;
  min-height:100%;
  overflow-x:hidden;
}
img,svg{max-width:100%;display:block}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
a{color:var(--blue);text-decoration:none;transition:color .18s var(--ease)}
a:hover{color:var(--lime)}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
:focus-visible{outline:2px solid var(--lime);outline-offset:3px;border-radius:6px}

/* 中文排版 */
h1,h2,h3{font-family:var(--font-display);font-weight:900;letter-spacing:-.02em;line-height:1.08}
h1{font-size:clamp(34px,5.6vw,72px);transform:skewX(-2deg)}
h2{font-size:clamp(26px,3.6vw,44px)}
h3{font-size:clamp(19px,2.2vw,26px);line-height:1.25}
p{max-width:42ch}
.lead{font-size:clamp(17px,1.6vw,20px);color:#DCEDE5;max-width:38ch}

/* ---------- Skip link ---------- */
.skip-link{
  position:fixed;left:12px;top:-80px;z-index:200;
  background:var(--lime);color:var(--moss-deep);
  padding:10px 18px;border-radius:999px;font-weight:700;
  transition:top .2s var(--ease);
}
.skip-link:focus{top:12px;color:var(--moss-deep)}

/* ---------- 左侧品牌轨道 ---------- */
.rail{
  position:fixed;left:0;top:0;bottom:0;width:var(--rail-w);z-index:60;
  display:flex;flex-direction:column;align-items:center;gap:18px;
  padding:18px 8px 20px;
  background:linear-gradient(180deg,var(--moss-deep) 0%,#08301F 62%,var(--moss-deep) 100%);
  border-right:1px solid var(--line);
}
.rail__logo{display:flex;flex-direction:column;align-items:center;gap:8px;text-align:center}
.rail__logo-mark{
  font-family:var(--font-data);font-size:12px;font-weight:700;letter-spacing:.08em;
  color:var(--moss-deep);background:var(--lime);border-radius:8px;padding:5px 7px;
  transform:rotate(-4deg);
}
.rail__logo-text{
  writing-mode:vertical-rl;text-orientation:upright;
  font-size:12px;letter-spacing:.28em;color:var(--mint);
}
.rail__nav{margin-top:6px;flex:1}
.rail__list{display:flex;flex-direction:column;align-items:center;gap:14px}
.rail__link{
  writing-mode:vertical-rl;text-orientation:upright;
  font-size:12px;letter-spacing:.14em;
  color:rgba(234,251,243,.72);
  padding:10px 6px;border-radius:999px;
  border:1px solid transparent;
  transition:color .18s var(--ease),background .18s var(--ease),border-color .18s var(--ease);
}
.rail__link:hover{color:var(--lime);border-color:var(--line);background:rgba(198,255,61,.07)}
.rail__link[aria-current="page"]{
  color:var(--moss-deep);background:var(--lime);font-weight:700;border-color:var(--lime);
}
.rail__progress{
  width:4px;height:112px;border-radius:999px;
  background:rgba(198,255,61,.16);overflow:hidden;flex:0 0 auto;
}
.rail__bar{
  display:block;width:100%;height:100%;
  background:linear-gradient(180deg,var(--lime),var(--blue));
  transform:scaleY(var(--rail-progress,0));transform-origin:top;
  transition:transform .12s linear;
}
.rail-note{
  writing-mode:vertical-rl;text-orientation:upright;
  font-size:11px;letter-spacing:.2em;color:rgba(124,232,192,.6);max-width:none;
}

/* ---------- 顶部悬浮胶囊 ---------- */
.topbar{
  position:sticky;top:0;z-index:70;
  padding:12px 20px 14px calc(var(--rail-w) + 20px);
  background:linear-gradient(180deg,rgba(6,35,26,.94) 0%,rgba(6,35,26,.62) 70%,rgba(6,35,26,0) 100%);
  backdrop-filter:blur(10px);
}
.topbar__inner{
  max-width:1400px;margin:0 auto;
  display:flex;align-items:center;gap:16px;
}
.brand-island{
  display:flex;align-items:center;gap:10px;flex:0 0 auto;
  padding:8px 16px 8px 10px;
  background:rgba(11,61,46,.78);
  border:1px solid var(--line);border-radius:999px;
  box-shadow:0 10px 26px rgba(3,16,12,.4);
  color:var(--card);
}
.brand-island:hover{color:var(--card);border-color:var(--lime)}
.brand-island__mark{
  font-family:var(--font-data);font-size:11px;font-weight:700;letter-spacing:.06em;
  color:var(--moss-deep);background:var(--lime);border-radius:6px;padding:4px 6px;
  transform:rotate(-4deg);
}
.brand-island__text{display:flex;flex-direction:column;line-height:1.2}
.brand-island__name{font-family:var(--font-display);font-weight:900;font-size:15px;letter-spacing:-.01em}
.brand-island__tag{font-size:11px;letter-spacing:.08em;color:var(--mint)}

.pillnav{flex:1 1 auto;min-width:0;display:flex;justify-content:center}
.pillnav__list{
  display:flex;align-items:center;gap:4px;
  padding:5px;border-radius:999px;
  background:rgba(11,61,46,.7);
  border:1px solid var(--line);
  box-shadow:0 10px 26px rgba(3,16,12,.34);
  overflow-x:auto;scrollbar-width:none;max-width:100%;
}
.pillnav__list::-webkit-scrollbar{display:none}
.pillnav__link{
  display:block;white-space:nowrap;
  font-size:13px;letter-spacing:.06em;
  padding:8px 15px;border-radius:999px;
  color:rgba(234,251,243,.82);
  transition:background .18s var(--ease),color .18s var(--ease),transform .18s var(--ease);
}
.pillnav__link:hover{background:rgba(198,255,61,.12);color:var(--lime)}
.pillnav__link[aria-current="page"]{
  background:var(--lime);color:var(--moss-deep);font-weight:700;
  box-shadow:0 6px 18px rgba(198,255,61,.3);
}
.topbar__actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-family:var(--font-body);font-weight:700;font-size:14px;letter-spacing:.03em;
  padding:11px 20px;border-radius:999px;border:1px solid transparent;
  cursor:pointer;transition:transform .16s var(--ease),background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease);
}
.btn:active{transform:translateY(2px)}
.btn--sm{padding:9px 16px;font-size:13px}
.btn--block{display:flex;width:100%}
.btn--lime{background:var(--lime);color:var(--moss-deep)}
.btn--lime:hover{background:#D9FF74;color:var(--moss-deep)}
.btn--blue{background:var(--blue);color:#04223C}
.btn--blue:hover{background:#5CB2FF;color:#04223C}
.btn--ghost{background:transparent;color:var(--card);border-color:var(--line)}
.btn--ghost:hover{border-color:var(--lime);color:var(--lime);background:rgba(198,255,61,.08)}

/* ---------- 移动导航按钮 ---------- */
.nav-toggle{
  display:none;align-items:center;gap:8px;
  padding:9px 15px;border-radius:999px;
  background:rgba(11,61,46,.8);border:1px solid var(--line);
  color:var(--card);font-size:13px;font-weight:700;letter-spacing:.06em;
}
.nav-toggle:hover{border-color:var(--lime);color:var(--lime)}
.nav-toggle__bars{display:inline-flex;flex-direction:column;gap:3px}
.nav-toggle__bars i{display:block;width:16px;height:2px;background:var(--lime);border-radius:2px;transition:transform .2s var(--ease),opacity .2s var(--ease)}
[data-open="true"] .nav-toggle__bars i:nth-child(1){transform:translateY(5px) rotate(45deg)}
[data-open="true"] .nav-toggle__bars i:nth-child(2){opacity:0}
[data-open="true"] .nav-toggle__bars i:nth-child(3){transform:translateY(-5px) rotate(-45deg)}

/* ---------- 抽屉导航 ---------- */
.drawer{
  display:none;max-width:1400px;margin:10px auto 0;
  background:rgba(6,35,26,.97);
  border:1px solid var(--line);border-radius:var(--radius);
  padding:14px;box-shadow:var(--shadow);
}
.drawer__list{display:flex;flex-direction:column}
.drawer__link{
  display:block;padding:13px 14px;border-radius:var(--radius-sm);
  color:var(--card);font-weight:700;font-size:16px;
}
.drawer__link:hover{background:rgba(198,255,61,.1);color:var(--lime)}
.drawer__link[aria-current="page"]{background:var(--lime);color:var(--moss-deep)}
.drawer__foot{margin-top:12px;padding-top:12px;border-top:1px solid var(--line)}
.drawer__meta{margin-top:10px;font-size:12px;color:var(--mint);max-width:none;word-break:break-all}

/* ---------- 布局容器 ---------- */
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
.wrap--narrow{max-width:860px}
.wrap--wide{max-width:1400px}
.shell{padding-left:var(--rail-w)}
main{display:block}

.grid{display:grid;grid-template-columns:repeat(12,1fr);gap:22px}
.col-4{grid-column:span 4}
.col-6{grid-column:span 6}
.col-8{grid-column:span 8}
.col-12{grid-column:span 12}

/* ---------- 分区 ---------- */
.section{position:relative;padding:clamp(48px,7vw,96px) 0}
.section--dark{background:var(--moss);color:var(--card)}
.section--ink{background:var(--moss-deep);color:var(--card)}
.section--paper{background:var(--paper);color:var(--ink-soft)}
.section--paper h1,.section--paper h2,.section--paper h3{color:var(--ink-soft)}
.section--mist{background:var(--card);color:var(--ink)}
.section--mist h1,.section--mist h2,.section--mist h3{color:var(--ink)}
.section--paper p,.section--mist p{color:var(--ink-mute)}
.section--paper a,.section--mist a{color:#0E6F4C}
.section--paper a:hover,.section--mist a:hover{color:#0B3D2E}

/* 斜切模块 */
.slab{
  position:relative;
  clip-path:polygon(0 2.2vw,100% 0,100% calc(100% - 2.2vw),0 100%);
  padding:clamp(56px,8vw,110px) 0;
}
.slab--reverse{clip-path:polygon(0 0,100% 2.2vw,100% 100%,0 calc(100% - 2.2vw))}
.slab::after{
  content:"";position:absolute;left:0;right:0;top:0;height:2px;
  background:linear-gradient(90deg,var(--lime),rgba(198,255,61,0));
}

/* 分区交界速度线（页面可用 <span class="speedline"> 或 .section 自带） */
.speedline{
  display:block;height:2px;width:min(360px,60%);
  background:linear-gradient(90deg,var(--lime),rgba(198,255,61,0));
  border-radius:2px;
}

/* ---------- 面包屑 ---------- */
.breadcrumb{padding:16px 0 6px;font-size:13px}
.breadcrumb__list{display:flex;flex-wrap:wrap;align-items:center;gap:8px;color:var(--mint)}
.breadcrumb__item{display:flex;align-items:center;gap:8px}
.breadcrumb__item + .breadcrumb__item::before{content:"／";color:rgba(198,255,61,.5)}
.breadcrumb__item a{color:var(--mint)}
.breadcrumb__item a:hover{color:var(--lime)}
.breadcrumb__item [aria-current="page"]{color:var(--paper);font-weight:700}

/* ---------- 玻璃面板 ---------- */
.glass{
  background:rgba(11,61,46,.55);
  border:1px solid var(--line);
  border-radius:var(--radius);
  backdrop-filter:blur(12px);
  box-shadow:var(--shadow);
  padding:18px;
}

/* ---------- 数据卡 ---------- */
.datacard{
  position:relative;overflow:hidden;
  background:var(--moss-deep);
  border:1px solid rgba(198,255,61,.2);
  border-radius:var(--radius);
  padding:20px 20px 18px;
}
.datacard::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(198,255,61,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(198,255,61,.06) 1px,transparent 1px);
  background-size:22px 22px;pointer-events:none;
}
.datacard__value{
  position:relative;display:block;
  font-family:var(--font-data);font-weight:700;
  font-size:clamp(38px,5.4vw,68px);line-height:1;
  letter-spacing:-.02em;color:var(--lime);
}
.datacard--orange .datacard__value{color:var(--orange)}
.datacard--blue .datacard__value{color:var(--blue)}
.datacard--gold .datacard__value{color:var(--gold)}
.datacard__label{
  position:relative;margin-top:10px;
  font-size:12px;letter-spacing:.08em;color:var(--mint);
}
.datacard__meta{
  position:relative;margin-top:8px;font-size:14px;color:rgba(234,251,243,.75);max-width:34ch;
}

/* ---------- 胶囊标签 ---------- */
.tag{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;letter-spacing:.08em;
  padding:4px 11px;border-radius:999px;
  border:1px solid var(--line);color:var(--mint);
  background:rgba(124,232,192,.08);
}
.tag--lime{background:rgba(198,255,61,.16);border-color:rgba(198,255,61,.5);color:var(--lime)}
.tag--blue{background:rgba(45,156,255,.16);border-color:rgba(45,156,255,.5);color:#8FCBFF}
.tag--orange{background:rgba(255,92,57,.16);border-color:rgba(255,92,57,.5);color:#FF9A82}
.tag--gold{background:rgba(255,201,74,.16);border-color:rgba(255,201,74,.5);color:var(--gold)}

/* ---------- 筛选条 ---------- */
.filterbar{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  padding:8px;border-radius:999px;
  background:rgba(11,61,46,.6);border:1px solid var(--line);
  backdrop-filter:blur(10px);
}
.filterbar__btn{
  padding:8px 15px;border-radius:999px;
  font-size:13px;letter-spacing:.06em;font-weight:700;
  color:rgba(234,251,243,.82);border:1px solid transparent;
  transition:background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease);
}
.filterbar__btn:hover{border-color:var(--line);color:var(--lime)}
.filterbar__btn[aria-pressed="true"]{background:var(--lime);color:var(--moss-deep)}
.filterbar__count{margin-left:auto;padding-right:12px;font-family:var(--font-data);font-size:12px;color:var(--mint)}
.is-hidden{display:none !important}

/* ---------- 媒体容器（页面阶段放图片/内联 SVG） ---------- */
.media{
  position:relative;overflow:hidden;
  border-radius:var(--radius);
  background:linear-gradient(140deg,#0B3D2E 0%,#06231A 60%,#0A3728 100%);
  aspect-ratio:16/10;
  border:1px solid rgba(198,255,61,.18);
}
.media--wide{aspect-ratio:21/9}
.media--tall{aspect-ratio:4/5}
.media > img,.media > svg{width:100%;height:100%;object-fit:cover}
.media::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(180deg,rgba(6,35,26,0) 40%,rgba(6,35,26,.72) 100%);
}
.media__caption{
  position:absolute;left:16px;bottom:14px;right:16px;z-index:2;
  font-size:12px;letter-spacing:.08em;color:var(--card);
}

/* ---------- 显现动效 ---------- */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .24s var(--ease),transform .24s var(--ease)}
.reveal.is-in{opacity:1;transform:none}

/* ---------- 页脚 ---------- */
.site-foot{
  position:relative;
  background:var(--moss-deep);
  color:rgba(234,251,243,.82);
  margin-left:var(--rail-w);
  border-top:1px solid var(--line);
  overflow:hidden;
}
.site-foot__glow{
  position:absolute;inset:auto -10% -60% -10%;height:320px;
  background:radial-gradient(closest-side,rgba(198,255,61,.18),rgba(45,156,255,.08) 60%,transparent 100%);
  pointer-events:none;
}
.site-foot__inner{
  position:relative;z-index:2;
  max-width:1400px;margin:0 auto;
  padding:clamp(44px,6vw,76px) 20px 30px;
  display:grid;grid-template-columns:1.4fr 2fr 1.2fr;gap:36px;
}
.site-foot__logo{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.site-foot__mark{
  font-family:var(--font-data);font-size:11px;font-weight:700;letter-spacing:.06em;
  color:var(--moss-deep);background:var(--lime);border-radius:6px;padding:4px 7px;
  transform:rotate(-4deg);
}
.site-foot__name{font-family:var(--font-display);font-weight:900;font-size:20px;color:var(--card)}
.site-foot__summary{font-size:15px;max-width:34ch;color:rgba(234,251,243,.78)}
.site-foot__cta{margin-top:16px}
.site-foot__title{
  font-family:var(--font-body);font-size:12px;font-weight:700;
  letter-spacing:.08em;color:var(--lime);margin-bottom:14px;
}
.site-foot__cols{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.site-foot__links{display:flex;flex-direction:column;gap:10px}
.site-foot__links a{font-size:15px;color:rgba(234,251,243,.86)}
.site-foot__links a:hover{color:var(--lime)}
.site-foot__clines{display:flex;flex-direction:column;gap:10px;font-size:14px}
.site-foot__clines a{color:var(--blue);word-break:break-all}
.site-foot__clines a:hover{color:var(--lime)}
.site-foot__base{
  position:relative;z-index:2;
  max-width:1400px;margin:0 auto;
  padding:16px 20px 30px;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  border-top:1px solid rgba(198,255,61,.16);
  font-size:13px;color:rgba(234,251,243,.62);
}
.site-foot__baselinks{display:flex;flex-wrap:wrap;gap:16px}
.site-foot__baselinks a{color:rgba(234,251,243,.7)}
.site-foot__baselinks a:hover{color:var(--lime)}

/* ---------- 无障碍 ---------- */
.visually-hidden{
  position:absolute;width:1px;height:1px;margin:-1px;padding:0;
  overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0;
}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  :root{--rail-w:64px}
  .rail__logo-text{font-size:11px;letter-spacing:.2em}
  .rail-note{display:none}
  .site-foot__inner{grid-template-columns:1fr 1fr;gap:28px}
  .site-foot__contact{grid-column:span 2}
  .site-foot__cols{grid-template-columns:repeat(3,1fr)}
  .pillnav__link{padding:8px 12px;font-size:12px}
}

@media (max-width:900px){
  .pillnav{display:none}
  .topbar__actions .btn--lime{display:none}
  .nav-toggle{display:inline-flex}
  [data-nav][data-open="true"] .drawer{display:block}
  .drawer{display:none}
}

@media (max-width:768px){
  body{font-size:16px}
  :root{--rail-w:0px}
  .rail{display:none}
  .topbar{padding:10px 14px 12px}
  .brand-island__tag{display:none}
  .site-foot{margin-left:0}
  .site-foot__inner{grid-template-columns:1fr;gap:26px;padding:40px 18px 24px}
  .site-foot__cols{grid-template-columns:1fr 1fr;gap:18px}
  .site-foot__contact{grid-column:span 1}
  .grid{gap:16px}
  .col-4,.col-6,.col-8{grid-column:span 12}
  .slab{clip-path:polygon(0 14px,100% 0,100% calc(100% - 14px),0 100%)}
  .slab--reverse{clip-path:polygon(0 0,100% 14px,100% 100%,0 calc(100% - 14px))}
}

@media (max-width:420px){
  .wrap{padding:0 15px}
  .brand-island{padding:7px 12px 7px 8px}
  .brand-island__name{font-size:14px}
  .site-foot__cols{grid-template-columns:1fr}
  .site-foot__base{flex-direction:column;align-items:flex-start}
  .filterbar{border-radius:var(--radius);padding:10px}
  .filterbar__count{margin-left:0;padding-right:0;width:100%}
}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
  }
  .reveal{opacity:1;transform:none}
  .rail__bar{transition:none}
}