/* ============================================================
   幻影体育台 / PHANTOM LEAGUE
   共享样式 — /assets/site.css
   夜场指挥台：深空黑基底 · 电光紫结构线 · 霓虹青绿数据高亮
   ============================================================ */

/* ---------- 1. 重置 ---------- */
*,*::before,*::after{box-sizing:border-box;}
html{
  -webkit-text-size-adjust:100%;
  scroll-behavior:smooth;
  scroll-padding-top:calc(var(--header-h,76px) + 18px);
}
body,h1,h2,h3,h4,h5,p,figure,blockquote,ul,ol,dl,dd{margin:0;}
ul,ol{padding:0;list-style:none;}
img,svg,video{display:block;max-width:100%;}
a{color:inherit;text-decoration:none;}
button{font:inherit;color:inherit;background:none;border:0;}
:focus-visible{
  outline:2px solid var(--mint);
  outline-offset:3px;
  box-shadow:0 0 0 4px rgba(7,9,15,.92);
}

/* ---------- 2. 设计变量 ---------- */
:root{
  /* 色板 */
  --void:#07090F;
  --panel:#111526;
  --panel-deep:#0C1020;
  --purple:#8B5CF6;
  --mint:#2EF2B0;
  --orange:#FF7A1A;
  --ice:#5FC8FF;
  --chalk:#F3F5FF;
  --steel:#8C93A8;
  --violet:#3B1D6E;
  --amber:#FFC857;

  /* 线条与状态 */
  --line:rgba(140,147,168,.20);
  --line-mid:rgba(140,147,168,.34);
  --line-purple:rgba(139,92,246,.42);

  /* 字体 */
  --font-sans:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-serif:"Noto Serif SC","Songti SC",Georgia,serif;
  --font-mono:"JetBrains Mono","IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --font-label:"Barlow Condensed","Archivo","Noto Sans SC",system-ui,sans-serif;

  /* 尺寸 */
  --maxw:1280px;
  --gutter:clamp(16px,4vw,44px);
  --header-h:76px;
  --cut:16px;
  --ease:cubic-bezier(.22,.61,.36,1);
}

/* ---------- 3. 基础排版 ---------- */
body{
  min-height:100vh;
  background-color:var(--void);
  background-image:
    radial-gradient(1100px 620px at 84% -8%, rgba(139,92,246,.20), transparent 64%),
    radial-gradient(820px 520px at -10% 10%, rgba(46,242,176,.09), transparent 62%);
  background-repeat:no-repeat;
  color:var(--chalk);
  font-family:var(--font-sans);
  font-size:16px;
  font-weight:400;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
main{display:block;}
h1,h2,h3,h4{
  font-weight:900;
  line-height:1.15;
  letter-spacing:-.012em;
  color:var(--chalk);
}
h1{font-size:clamp(38px,6vw,80px);}
h2{font-size:clamp(26px,3.4vw,42px);}
h3{font-size:clamp(19px,2vw,24px);font-weight:700;letter-spacing:0;}
h4{font-size:17px;font-weight:700;}
p{color:rgba(243,245,255,.82);}
strong{color:var(--chalk);font-weight:700;}
code,kbd{
  font-family:var(--font-mono);
  font-size:.92em;
  color:var(--mint);
}
::selection{background:rgba(46,242,176,.28);color:var(--chalk);}

/* ---------- 4. 通用布局 ---------- */
.container{
  width:100%;
  max-width:var(--maxw);
  margin-inline:auto;
  padding-inline:var(--gutter);
}
.grid{display:grid;gap:clamp(16px,2.2vw,28px);}
.grid--split{grid-template-columns:1fr;}
.grid--duo{grid-template-columns:1fr;}
.grid--trio{grid-template-columns:1fr;}
@media (min-width:760px){
  .grid--duo{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (min-width:920px){
  .grid--split{grid-template-columns:minmax(0,7fr) minmax(0,3fr);}
  .grid--trio{grid-template-columns:repeat(3,minmax(0,1fr));}
}
.rule{
  height:1px;
  border:0;
  margin-block:clamp(24px,4vw,48px);
  background:linear-gradient(90deg,var(--line-purple),rgba(140,147,168,.10) 58%,transparent);
}
.visually-hidden{
  position:absolute!important;
  width:1px;height:1px;
  margin:-1px;padding:0;
  overflow:hidden;
  clip:rect(0 0 0 0);
  clip-path:inset(50%);
  white-space:nowrap;
}

/* ---------- 5. 跳过链接 ---------- */
.skip-link{
  position:fixed;
  top:8px;left:8px;
  z-index:200;
  padding:10px 16px;
  font-family:var(--font-mono);
  font-size:13px;
  color:var(--void);
  background:var(--mint);
  border:1px solid var(--mint);
  transform:translateY(-160%);
  transition:transform .18s var(--ease);
}
.skip-link:focus-visible{transform:translateY(0);}

/* ---------- 6. 头部 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:90;
  background:linear-gradient(180deg,rgba(7,9,15,.95) 0%,rgba(7,9,15,.74) 62%,rgba(7,9,15,0) 100%);
  border-bottom:1px solid transparent;
  -webkit-backdrop-filter:blur(12px) saturate(120%);
  backdrop-filter:blur(12px) saturate(120%);
  transition:background-color .25s var(--ease),border-color .25s var(--ease),box-shadow .25s var(--ease);
}
.site-header[data-scrolled="true"]{
  background:rgba(9,11,20,.97);
  border-bottom-color:var(--line-purple);
  box-shadow:0 14px 36px -26px rgba(139,92,246,.95);
}
.header-inner{
  position:relative;
  display:grid;
  grid-template-columns:auto auto minmax(0,1fr) auto;
  align-items:center;
  gap:16px;
  min-height:var(--header-h);
  padding-block:10px;
}

/* 品牌锁定 */
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding:4px 2px;
}
.brand-mark{
  width:11px;
  height:30px;
  flex:0 0 auto;
  background:linear-gradient(180deg,var(--purple),var(--mint));
  clip-path:polygon(0 0,100% 14%,100% 100%,0 86%);
  box-shadow:0 0 18px rgba(46,242,176,.42);
}
.brand-text{
  display:flex;
  flex-direction:column;
  line-height:1.08;
}
.brand-name{
  font-size:18px;
  font-weight:900;
  letter-spacing:.02em;
  color:var(--chalk);
  transition:color .18s var(--ease);
}
.brand-latin{
  margin-top:3px;
  font-family:var(--font-mono);
  font-size:9.5px;
  letter-spacing:.24em;
  text-transform:uppercase;
  color:var(--steel);
  transition:color .18s var(--ease);
}
.brand:hover .brand-name{color:var(--mint);}
.brand:hover .brand-latin{color:var(--chalk);}

.header-tagline{
  padding-left:16px;
  border-left:1px solid var(--line);
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.14em;
  color:var(--steel);
  white-space:nowrap;
}

/* 汉堡按钮 */
.nav-toggle{
  display:none;
  align-items:center;
  gap:9px;
  padding:9px 12px;
  border:1px solid var(--line-mid);
  color:var(--chalk);
  cursor:pointer;
  transition:border-color .18s var(--ease),background-color .18s var(--ease);
}
.nav-toggle:hover{border-color:var(--mint);background:rgba(46,242,176,.08);}
.nav-toggle-label{
  font-family:var(--font-label);
  font-size:11px;
  letter-spacing:.18em;
  text-transform:uppercase;
}
.nav-toggle-icon{
  position:relative;
  display:block;
  width:16px;
  height:10px;
}
.nav-toggle-icon::before,
.nav-toggle-icon::after{
  content:"";
  position:absolute;
  left:0;right:0;
  height:1.5px;
  background:var(--mint);
  transition:transform .2s var(--ease),top .2s var(--ease),bottom .2s var(--ease);
}
.nav-toggle-icon::before{top:0;}
.nav-toggle-icon::after{bottom:0;}
.site-header[data-open="true"] .nav-toggle-icon::before{top:4px;transform:rotate(45deg);}
.site-header[data-open="true"] .nav-toggle-icon::after{bottom:4px;transform:rotate(-45deg);}

/* 联赛赛道式导航 */
.site-nav{justify-self:end;min-width:0;max-width:100%;}
.nav-track{
  display:flex;
  align-items:center;
  gap:2px;
  padding-block:4px;
  overflow-x:auto;
  scrollbar-width:none;
  -ms-overflow-style:none;
}
.nav-track::-webkit-scrollbar{display:none;}
.nav-item{flex:0 0 auto;}
.nav-link{
  position:relative;
  display:inline-block;
  padding:9px 13px;
  font-size:14px;
  font-weight:500;
  color:var(--steel);
  letter-spacing:.01em;
  white-space:nowrap;
  transition:color .18s var(--ease),background-color .18s var(--ease);
}
.nav-link::after{
  content:"";
  position:absolute;
  left:13px;right:13px;bottom:5px;
  height:1.5px;
  background:var(--mint);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .22s var(--ease);
}
.nav-link:hover{color:var(--chalk);background:rgba(139,92,246,.16);}
.nav-link:hover::after{transform:scaleX(1);background:var(--purple);}
.nav-link[aria-current="page"]{
  color:var(--mint);
  background:rgba(46,242,176,.09);
  box-shadow:inset 0 0 0 1px rgba(46,242,176,.45);
}
.nav-link[aria-current="page"]::after{transform:scaleX(1);}

.header-actions{display:flex;align-items:center;gap:10px;}
.header-cta{white-space:nowrap;}

/* 滚动进度光带 */
.scroll-progress{
  position:absolute;
  left:0;right:0;bottom:-1px;
  height:2px;
  overflow:hidden;
  background:rgba(139,92,246,.14);
}
.scroll-progress-bar{
  display:block;
  width:100%;height:100%;
  transform:scaleX(var(--progress,0));
  transform-origin:0 50%;
  background:linear-gradient(90deg,var(--purple),var(--mint));
  transition:transform .08s linear;
}

/* ---------- 7. 按钮 ---------- */
.btn{
  --btn-fg:var(--chalk);
  --btn-bd:rgba(243,245,255,.24);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:13px 22px;
  font-family:var(--font-sans);
  font-size:14px;
  font-weight:700;
  letter-spacing:.04em;
  color:var(--btn-fg);
  background:transparent;
  border:1px solid var(--btn-bd);
  cursor:pointer;
  transition:background-color .18s var(--ease),border-color .18s var(--ease),color .18s var(--ease),box-shadow .18s var(--ease),transform .18s var(--ease);
}
.btn:hover{transform:translateY(-2px);}
.btn--primary{
  color:#fff;
  background:linear-gradient(100deg,var(--purple),#6D3EF0 62%,#5B34D8);
  border-color:transparent;
  box-shadow:0 10px 26px -18px rgba(139,92,246,.95);
}
.btn--primary:hover{
  background:linear-gradient(100deg,#9A6DFF,#7A4CFF);
  box-shadow:0 16px 32px -16px rgba(139,92,246,1);
}
.btn--ghost{
  color:var(--mint);
  border-color:rgba(46,242,176,.45);
  background:rgba(46,242,176,.06);
}
.btn--ghost:hover{border-color:var(--mint);background:rgba(46,242,176,.14);color:var(--chalk);}
.btn--sm{padding:10px 15px;font-size:12.5px;letter-spacing:.02em;}

/* ---------- 8. 共享组件 ---------- */
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:9px;
  font-family:var(--font-label);
  font-size:12px;
  letter-spacing:.2em;
  text-transform:uppercase;
  color:var(--mint);
}
.eyebrow::before{
  content:"";
  width:22px;height:2px;
  background:linear-gradient(90deg,var(--purple),var(--mint));
}
.section-title{margin-top:12px;}
.section-note{
  margin-top:10px;
  max-width:58ch;
  font-size:15px;
  color:var(--steel);
}
.lead{
  margin-top:14px;
  max-width:62ch;
  font-size:clamp(16px,1.5vw,18px);
  line-height:1.8;
  color:rgba(243,245,255,.84);
}

.panel{
  position:relative;
  padding:clamp(18px,2.2vw,26px);
  background:linear-gradient(165deg,var(--panel) 0%,var(--panel-deep) 100%);
  border:1px solid var(--line);
}
.panel--cut{
  border-color:var(--line-mid);
  clip-path:polygon(0 0,calc(100% - var(--cut)) 0,100% var(--cut),100% 100%,var(--cut) 100%,0 calc(100% - var(--cut)));
}
.panel--cut :focus-visible{outline-offset:-4px;}
.panel--quiet{
  background:rgba(17,21,38,.55);
  border-color:var(--line);
}

.chip{
  display:inline-flex;
  align-items:center;
  gap:7px;
  padding:7px 13px;
  font-family:var(--font-label);
  font-size:12px;
  letter-spacing:.12em;
  text-transform:uppercase;
  color:var(--steel);
  background:rgba(17,21,38,.72);
  border:1px solid var(--line);
  cursor:pointer;
  transition:color .18s var(--ease),border-color .18s var(--ease),background-color .18s var(--ease);
}
.chip:hover{color:var(--chalk);border-color:var(--line-mid);}
.chip[aria-pressed="true"]{
  color:var(--void);
  font-weight:700;
  background:var(--mint);
  border-color:var(--mint);
}

.stat{display:flex;flex-direction:column;gap:4px;}
.stat-value{
  font-family:var(--font-mono);
  font-size:clamp(26px,3.2vw,44px);
  font-weight:700;
  line-height:1.04;
  letter-spacing:-.02em;
  color:var(--chalk);
}
.stat-label{
  font-family:var(--font-label);
  font-size:11px;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--steel);
}
.stat--goal .stat-value{color:var(--orange);}
.stat--conceded .stat-value{color:var(--ice);}

.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:3px 9px;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.08em;
  color:var(--mint);
  background:rgba(46,242,176,.09);
  border:1px solid currentColor;
}
.badge--goal{color:var(--orange);background:rgba(255,122,26,.10);}
.badge--conceded{color:var(--ice);background:rgba(95,200,255,.10);}
.badge--amber{color:var(--amber);background:rgba(255,200,87,.10);}

.breadcrumb{padding-block:14px;}
.breadcrumb-list{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-family:var(--font-mono);
  font-size:12px;
  color:var(--steel);
}
.breadcrumb-item{display:inline-flex;align-items:center;}
.breadcrumb-item::after{content:"/";margin-left:8px;color:rgba(140,147,168,.45);}
.breadcrumb-item:last-child::after{content:none;}
.breadcrumb-link:hover{color:var(--mint);}
.breadcrumb-current{color:var(--chalk);}

.prose{max-width:72ch;font-size:17px;line-height:1.85;}
.prose p+p{margin-top:1.1em;}
.prose h2{margin-top:1.9em;margin-bottom:.5em;}
.prose h3{margin-top:1.6em;margin-bottom:.4em;}
.prose ul{margin-block:1em;padding-left:1.1em;list-style:square;color:rgba(243,245,255,.82);}
.prose li+li{margin-top:.45em;}
.prose a{
  color:var(--mint);
  text-decoration:underline;
  text-underline-offset:3px;
}
.prose a:hover{color:var(--chalk);}

/* 图片容器基础规则（页面阶段放置图片与说明） */
.media-frame{
  position:relative;
  display:block;
  overflow:hidden;
  background:linear-gradient(140deg,rgba(59,29,110,.9),rgba(7,9,15,.96));
  border:1px solid var(--line);
}
.media-frame::before{
  content:"";
  position:absolute;
  inset:0;
  pointer-events:none;
  background-image:
    linear-gradient(rgba(46,242,176,.09) 1px,transparent 1px),
    linear-gradient(90deg,rgba(46,242,176,.09) 1px,transparent 1px);
  background-size:36px 36px;
  opacity:.75;
}
.media-frame img,
.media-frame picture,
.media-frame video{
  position:relative;
  z-index:1;
  width:100%;
  height:100%;
  object-fit:cover;
}
.media-frame--16x9{aspect-ratio:16 / 9;}
.media-frame--4x3{aspect-ratio:4 / 3;}
.media-frame--1x1{aspect-ratio:1 / 1;}
.media-frame--tall{aspect-ratio:3 / 4;}
.media-frame--tactical::after{
  content:"";
  position:absolute;
  z-index:2;
  inset:10px;
  pointer-events:none;
  border:1px solid rgba(46,242,176,.16);
}
.media-caption{
  margin-top:9px;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.02em;
  color:var(--steel);
}

/* ---------- 9. 页脚 ---------- */
.site-footer{
  position:relative;
  margin-top:clamp(56px,8vw,104px);
  border-top:1px solid var(--line-purple);
  background:
    radial-gradient(760px 340px at 6% 0%, rgba(139,92,246,.18), transparent 72%),
    linear-gradient(180deg,#0A0D18 0%,#07090F 74%);
  color:var(--steel);
}
.site-footer::before{
  content:"";
  position:absolute;
  inset:0;
  pointer-events:none;
  background-image:
    linear-gradient(90deg,rgba(140,147,168,.055) 1px,transparent 1px),
    linear-gradient(rgba(140,147,168,.055) 1px,transparent 1px);
  background-size:56px 56px;
}
.footer-inner{
  position:relative;
  z-index:1;
  padding-block:clamp(36px,5vw,64px) 24px;
}
.footer-top{
  display:grid;
  grid-template-columns:1fr;
  gap:clamp(24px,3vw,40px);
}
@media (min-width:700px){
  .footer-top{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (min-width:1040px){
  .footer-top{grid-template-columns:minmax(0,1.7fr) repeat(2,minmax(0,.9fr)) minmax(0,1.25fr);}
}
.footer-brand{padding-top:4px;}
.brand--footer .brand-name{font-size:22px;}
.brand--footer .brand-mark{height:36px;width:13px;}
.footer-summary{
  margin-top:16px;
  max-width:38ch;
  font-size:15px;
  line-height:1.8;
  color:rgba(243,245,255,.74);
}
.footer-status{
  display:inline-flex;
  align-items:center;
  gap:9px;
  margin-top:16px;
  font-family:var(--font-mono);
  font-size:11.5px;
  letter-spacing:.06em;
  color:var(--steel);
}
.status-dot{
  width:7px;height:7px;
  flex:0 0 auto;
  border-radius:50%;
  background:var(--mint);
  box-shadow:0 0 0 3px rgba(46,242,176,.16);
}
.footer-col-title{
  font-family:var(--font-label);
  font-size:12px;
  font-weight:700;
  letter-spacing:.2em;
  text-transform:uppercase;
  color:var(--chalk);
  padding-bottom:12px;
  margin-bottom:14px;
  border-bottom:1px solid var(--line);
}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-link{
  position:relative;
  display:inline-block;
  font-size:14.5px;
  color:rgba(243,245,255,.78);
  transition:color .18s var(--ease);
}
.footer-link::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:-2px;
  height:1px;
  background:var(--mint);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .2s var(--ease);
}
.footer-link:hover{color:var(--mint);}
.footer-link:hover::after{transform:scaleX(1);}

.footer-contact{display:flex;flex-direction:column;gap:14px;}
.footer-contact-row{
  display:grid;
  grid-template-columns:64px minmax(0,1fr) auto;
  align-items:start;
  gap:10px;
  font-size:14px;
}
.contact-label{
  font-family:var(--font-label);
  font-size:11px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--steel);
  padding-top:3px;
}
.contact-value{
  color:rgba(243,245,255,.84);
  word-break:break-word;
  line-height:1.6;
}
.copy-btn{
  padding:3px 9px;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.06em;
  color:var(--mint);
  border:1px solid rgba(46,242,176,.4);
  cursor:pointer;
  white-space:nowrap;
  transition:background-color .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease);
}
.copy-btn:hover{background:rgba(46,242,176,.14);border-color:var(--mint);}
.copy-btn[data-copy-state="done"]{color:var(--void);background:var(--mint);border-color:var(--mint);}
.copy-btn[data-copy-state="manual"]{color:var(--amber);border-color:rgba(255,200,87,.6);}

.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  margin-top:clamp(28px,4vw,48px);
  padding-top:18px;
  border-top:1px solid var(--line);
}
.footer-legal{
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.02em;
  color:var(--steel);
}
.legal-links{display:flex;flex-wrap:wrap;gap:18px;}
.legal-link{
  font-family:var(--font-mono);
  font-size:12px;
  color:var(--steel);
  transition:color .18s var(--ease);
}
.legal-link:hover{color:var(--mint);}

/* ---------- 10. 响应式：头部与页脚 ---------- */
@media (max-width:1199px){
  .header-tagline{display:none;}
  .header-inner{grid-template-columns:auto minmax(0,1fr) auto;gap:12px;}
}
@media (max-width:979px){
  .header-inner{
    grid-template-columns:minmax(0,1fr) auto auto;
    gap:10px;
  }
  .nav-toggle{display:inline-flex;order:3;}
  .header-actions{order:2;}
  .site-nav{
    order:4;
    position:absolute;
    top:100%;
    left:calc(-1 * var(--gutter));
    right:calc(-1 * var(--gutter));
    justify-self:stretch;
    max-height:0;
    overflow:hidden;
    visibility:hidden;
    padding-inline:var(--gutter);
    background:rgba(10,12,22,.985);
    border-top:1px solid var(--line-purple);
    border-bottom:1px solid var(--line-purple);
    box-shadow:0 28px 60px -34px rgba(0,0,0,.96);
    transition:max-height .28s var(--ease),visibility .28s var(--ease);
  }
  .site-header[data-open="true"] .site-nav{
    max-height:76vh;
    overflow-y:auto;
    visibility:visible;
    padding-bottom:16px;
  }
  .nav-track{
    flex-direction:column;
    align-items:stretch;
    gap:2px;
    padding-block:10px;
    overflow:visible;
  }
  .nav-link{
    display:flex;
    align-items:center;
    justify-content:space-between;
    padding:13px 12px;
    font-size:15.5px;
    border-left:2px solid transparent;
  }
  .nav-link::after{left:12px;right:12px;bottom:8px;}
  .nav-link[aria-current="page"]{
    border-left-color:var(--mint);
    box-shadow:none;
  }
  .footer-contact-row{grid-template-columns:70px minmax(0,1fr) auto;}
}
@media (max-width:599px){
  :root{--header-h:66px;}
  .brand-name{font-size:16px;}
  .brand-latin{font-size:8.5px;letter-spacing:.18em;}
  .header-cta{padding:8px 11px;font-size:11.5px;}
  .nav-toggle{padding:8px 10px;}
  .nav-toggle-label{display:none;}
  .footer-contact-row{grid-template-columns:minmax(0,1fr) auto;row-gap:2px;}
  .contact-label{grid-column:1 / -1;padding-top:0;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}

/* ---------- 11. 动效降级 ---------- */
@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;
  }
  .btn:hover{transform:none;}
}