/* =========================================================
   TVT赛场 · 共享样式 /assets/site.css
   深夜转播控制室 + 街头球场的霓虹质感
   ========================================================= */

/* ---------- 1. Reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0}
h1,h2,h3,h4,h5,p,figure,blockquote,ul,ol{margin:0}
ul,ol{list-style:none;padding:0}
img,svg,video{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
table{border-collapse:collapse;width:100%}
::selection{background:#C6FF3D;color:#08110C}

/* ---------- 2. 变量 ---------- */
:root{
  --ink:#070B0A;
  --moss:#0E1F1A;
  --panel:#16332A;
  --lime:#C6FF3D;
  --lime-dim:#8FBF1F;
  --flame:#FF5A2B;
  --fog:#E8F1EC;
  --ash:#7C9186;
  --line:#24423A;
  --white:#FFFFFF;
  --header-h:56px;
  --wrap:1320px;
  --pad:clamp(16px,4vw,48px);
  --sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  --mono:"SFMono-Regular",Menlo,Consolas,"Liberation Mono","Courier New",monospace;
}

/* ---------- 3. 基础排版 ---------- */
body{
  background-color:var(--ink);
  color:var(--fog);
  font-family:var(--sans);
  font-size:16px;
  line-height:1.75;
  letter-spacing:.01em;
  min-height:100vh;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:-1;
  pointer-events:none;
  background:
    radial-gradient(760px 420px at 88% -8%, rgba(198,255,61,.08), transparent 62%),
    radial-gradient(620px 380px at 4% 6%, rgba(255,90,43,.05), transparent 66%),
    repeating-linear-gradient(0deg, rgba(36,66,58,.16) 0 1px, transparent 1px 96px);
}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px}
#main-content{outline:none}
html.is-nav-open,html.is-nav-open body{overflow:hidden}

/* ---------- 4. 排版组件 ---------- */
.t-display{font-size:clamp(3.2rem,8.5vw,8.5rem);font-weight:200;line-height:.92;letter-spacing:-.02em;color:var(--white)}
.t-display b,.t-display strong,.t-display em{font-weight:800;font-style:normal;color:var(--lime)}
.t-h2{font-size:clamp(1.5rem,3vw,2.4rem);font-weight:300;line-height:1.15;letter-spacing:-.01em;color:var(--white)}
.t-h3{font-size:1.15rem;font-weight:600;color:var(--white)}
.t-index{font-family:var(--mono);font-size:12px;letter-spacing:.18em;text-transform:uppercase;color:var(--ash)}
.t-mono{font-family:var(--mono);font-variant-numeric:tabular-nums}
.lede{font-size:17px;line-height:1.75;color:var(--ash);max-width:68ch}
.prose{max-width:68ch;font-size:16px;line-height:1.75}
.prose p+p{margin-top:1.1em}
.note{font-size:13px;line-height:1.7;color:var(--ash)}
.rule{height:1px;background:var(--line);border:0;margin:0}

/* ---------- 5. 布局 ---------- */
.container{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 var(--pad)}
.grid-12{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:clamp(16px,2vw,24px)}
.col-3{grid-column:span 3}
.col-4{grid-column:span 4}
.col-5{grid-column:span 5}
.col-6{grid-column:span 6}
.col-7{grid-column:span 7}
.col-8{grid-column:span 8}
.col-9{grid-column:span 9}
.col-12{grid-column:span 12}
.section{padding:clamp(64px,9vw,112px) 0;position:relative}
.section--tight{padding:clamp(40px,6vw,64px) 0}
.section--moss{background:var(--moss)}
.section-head{display:grid;gap:14px;margin-bottom:clamp(28px,4vw,48px)}

/* ---------- 6. 章节编号 ---------- */
.chapter{display:flex;align-items:baseline;gap:clamp(12px,2vw,20px);border-bottom:1px solid var(--line);padding-bottom:12px}
.chapter-num{font-family:var(--mono);font-weight:700;font-size:clamp(1.6rem,4vw,2.6rem);line-height:1;letter-spacing:-.02em;color:var(--line);transition:color .16s ease}
.chapter:hover .chapter-num{color:var(--lime)}
.chapter-title{font-size:clamp(1rem,1.6vw,1.25rem);font-weight:500;color:var(--white);letter-spacing:.04em}
.chapter-note{margin-left:auto;font-family:var(--mono);font-size:11px;letter-spacing:.16em;color:var(--ash)}

/* ---------- 7. 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 22px;font-size:14px;font-weight:600;letter-spacing:.04em;color:var(--fog);background:var(--moss);border:1px solid var(--line);cursor:pointer;clip-path:polygon(0 0,calc(100% - 12px) 0,100% 12px,100% 100%,0 100%);transition:background-color .16s ease,color .16s ease,border-color .16s ease,transform .16s ease}
.btn:hover{transform:translateY(-2px);border-color:var(--lime);color:var(--lime)}
.btn--primary{background:var(--lime);border-color:var(--lime);color:#08110C}
.btn--primary:hover{background:var(--white);border-color:var(--white);color:#08110C}
.btn--flame{background:var(--flame);border-color:var(--flame);color:#12060A}
.btn--flame:hover{background:#FF7A52;border-color:#FF7A52;color:#12060A}
.btn--ghost{background:transparent}
.btn--sm{padding:8px 14px;font-size:13px}
.btn-row{display:flex;flex-wrap:wrap;gap:12px;align-items:center}

/* ---------- 8. 筛选 chips ---------- */
.chip-row{display:flex;flex-wrap:wrap;gap:8px}
.chip{display:inline-flex;align-items:center;gap:6px;padding:7px 12px;font-family:var(--mono);font-size:12px;letter-spacing:.08em;color:var(--ash);background:var(--moss);border:1px solid var(--line);cursor:pointer;transition:color .16s ease,border-color .16s ease,background-color .16s ease}
.chip:hover{color:var(--lime);border-color:var(--lime-dim)}
.chip[aria-pressed="true"]{background:var(--lime);border-color:var(--lime);color:#08110C}

/* ---------- 9. 切角面板与卡片 ---------- */
.cut{position:relative;background:var(--panel);border:1px solid var(--line);padding:clamp(18px,2.2vw,26px);clip-path:polygon(0 0,calc(100% - 14px) 0,100% 14px,100% 100%,0 100%)}
.cut--flat{background:var(--moss)}
.cut--lime{border-color:var(--lime-dim)}
.card-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:clamp(16px,2vw,24px)}
.card-grid--offset>*:nth-child(even){transform:translateY(18px)}
.card-head{display:flex;align-items:baseline;justify-content:space-between;gap:12px;padding-bottom:12px;border-bottom:1px solid var(--line);margin-bottom:14px}
.card-title{font-size:1.05rem;font-weight:600;color:var(--white)}
.card-meta{font-family:var(--mono);font-size:11px;letter-spacing:.14em;color:var(--ash)}
.card-body{font-size:14px;color:var(--fog);line-height:1.7}

/* ---------- 10. 图片容器 ---------- */
.media-frame{position:relative;overflow:hidden;background:linear-gradient(150deg,var(--panel),#0A1512 72%);border:1px solid var(--line);clip-path:polygon(0 0,calc(100% - 14px) 0,100% 14px,100% 100%,0 100%)}
.media-frame img{width:100%;height:100%;object-fit:cover;filter:saturate(.86) contrast(1.06) brightness(.9)}
.media-frame::after{content:"";position:absolute;inset:0;pointer-events:none;background:repeating-linear-gradient(0deg,rgba(7,11,10,.22) 0 1px,transparent 1px 4px)}
.media-frame--21x9{aspect-ratio:21/9}
.media-frame--16x9{aspect-ratio:16/9}
.media-frame--4x3{aspect-ratio:4/3}
.media-frame--1x1{aspect-ratio:1/1}
.media-frame--3x4{aspect-ratio:3/4}
.media-cap{position:absolute;left:0;right:0;bottom:0;z-index:1;padding:12px 14px;font-size:12px;color:var(--fog);background:linear-gradient(to top,rgba(7,11,10,.88),rgba(7,11,10,0))}

/* ---------- 11. 面包屑 / 进度条 ---------- */
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:10px;padding:18px 0;font-family:var(--mono);font-size:12px;letter-spacing:.12em;color:var(--ash)}
.breadcrumb a{color:var(--ash);transition:color .16s ease}
.breadcrumb a:hover{color:var(--lime)}
.breadcrumb-sep{color:var(--line)}
.breadcrumb [aria-current="page"]{color:var(--fog)}
.meter{height:6px;background:var(--moss);border:1px solid var(--line);overflow:hidden}
.meter-fill{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--lime-dim),var(--lime))}
.meter--flame .meter-fill{background:linear-gradient(90deg,var(--lime-dim),var(--flame))}

/* ---------- 12. 显现 ---------- */
[data-reveal]{opacity:0;transform:translateY(14px);transition:opacity .2s ease,transform .2s ease}
[data-reveal].is-in{opacity:1;transform:none}

/* ---------- 13. 头部：记分牌命令栏 ---------- */
.site-header{position:sticky;top:0;z-index:60;background:rgba(7,11,10,.96);border-bottom:1px solid var(--line)}
.header-inner{position:relative;max-width:var(--wrap);margin:0 auto;padding:0 var(--pad);height:var(--header-h);display:flex;align-items:center;gap:clamp(10px,2vw,28px);transition:height .16s ease}
.site-header[data-condensed] .header-inner{height:48px}

.skip-link{position:absolute;top:0;left:0;z-index:120;padding:10px 16px;background:var(--lime);color:#08110C;font-size:13px;font-weight:700;transform:translateY(-130%);transition:transform .16s ease}
.skip-link:focus{transform:translateY(0)}

.brand{display:flex;align-items:center;gap:8px;flex:none}
.brand-signal{width:8px;height:8px;background:var(--lime);clip-path:polygon(0 0,100% 0,0 100%)}
.brand-mark{font-family:var(--mono);font-size:15px;font-weight:700;letter-spacing:.22em;color:var(--white);transition:color .16s ease}
.brand-name{font-size:15px;font-weight:300;letter-spacing:.16em;color:var(--fog)}
.brand-domain{font-family:var(--mono);font-size:11px;letter-spacing:.08em;color:var(--ash);padding-left:10px;border-left:1px solid var(--line)}
.brand:hover .brand-mark{color:var(--lime)}

.cmdbar{flex:1 1 auto;min-width:0;align-self:stretch;display:flex;align-items:stretch}
.cmd-list{display:flex;align-items:stretch;gap:2px;width:100%}
.cmd-item{position:relative;display:flex}
.cmd-link{position:relative;display:flex;align-items:center;gap:8px;padding:0 12px;font-size:14px;color:var(--fog);white-space:nowrap;transition:color .16s ease,background-color .16s ease}
.cmd-link::after{content:"";position:absolute;left:12px;right:12px;bottom:0;height:2px;background:var(--lime);transform:scaleX(0);transform-origin:left;transition:transform .16s ease}
.cmd-link:hover{color:var(--white);background:var(--moss)}
.cmd-link:hover::after{transform:scaleX(1)}
.cmd-link:hover .cmd-num{color:var(--lime-dim)}
.cmd-link[aria-current="page"]{color:var(--lime);background:rgba(198,255,61,.05)}
.cmd-link[aria-current="page"]::after{transform:scaleX(1)}
.cmd-link[aria-current="page"] .cmd-num{color:var(--lime)}
.cmd-num{font-family:var(--mono);font-size:11px;line-height:1;letter-spacing:.14em;color:var(--ash)}
.cmd-label{white-space:nowrap}
.cmd-sub{position:absolute;top:100%;left:0;min-width:216px;padding:10px;display:grid;gap:2px;background:var(--moss);border:1px solid var(--line);border-top:2px solid var(--lime);opacity:0;visibility:hidden;transform:translateY(-6px);transition:opacity .16s ease,transform .16s ease,visibility .16s ease;z-index:65}
.cmd-item:hover .cmd-sub,.cmd-item:focus-within .cmd-sub{opacity:1;visibility:visible;transform:translateY(0)}
.cmd-sub-title{font-family:var(--mono);font-size:11px;letter-spacing:.18em;color:var(--ash);padding:4px 8px 6px}
.cmd-sub-link{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:8px 10px;font-size:13px;color:var(--fog);transition:background-color .16s ease,color .16s ease}
.cmd-sub-link:hover{background:rgba(198,255,61,.08);color:var(--lime)}
.cmd-sub-num{font-family:var(--mono);font-size:11px;color:var(--ash)}

.header-aside{margin-left:auto;display:flex;align-items:center;gap:clamp(8px,1.4vw,14px);flex:none}
.status{display:flex;align-items:center;gap:8px;padding:6px 12px;background:var(--moss);border:1px solid var(--line);font-family:var(--mono);font-size:11px;line-height:1;letter-spacing:.1em;color:var(--fog);clip-path:polygon(0 0,calc(100% - 8px) 0,100% 8px,100% 100%,0 100%)}
.status-dot{width:6px;height:6px;flex:none;background:var(--lime);animation:statusPulse 2.4s infinite}
@keyframes statusPulse{
  0%{box-shadow:0 0 0 0 rgba(198,255,61,.5)}
  70%{box-shadow:0 0 0 6px rgba(198,255,61,0)}
  100%{box-shadow:0 0 0 0 rgba(198,255,61,0)}
}
.status-round{color:var(--flame)}
.status-round b{font-weight:700;font-size:12px}
.status-sep{width:1px;height:10px;background:var(--line)}
.status-note{color:var(--ash)}

.index-wrap{position:relative}
.index-btn{display:flex;align-items:center;gap:8px;padding:8px 12px;border:1px solid var(--line);color:var(--fog);font-size:12px;letter-spacing:.08em;clip-path:polygon(0 0,calc(100% - 10px) 0,100% 10px,100% 100%,0 100%);transition:border-color .16s ease,color .16s ease,background-color .16s ease}
.index-btn:hover{border-color:var(--lime);color:var(--lime)}
.index-wrap[data-open] .index-btn{border-color:var(--lime);color:var(--lime);background:rgba(198,255,61,.08)}
.index-btn-icon{font-size:14px;line-height:1}
.index-btn-label{font-size:12px;letter-spacing:.08em}
.index-panel{position:absolute;top:calc(100% + 10px);right:0;width:min(320px,calc(100vw - 32px));padding:14px;background:var(--moss);border:1px solid var(--line);border-top:2px solid var(--lime);opacity:0;visibility:hidden;transform:translateY(-8px);transition:opacity .16s ease,transform .16s ease,visibility .16s ease;z-index:70}
.index-wrap[data-open] .index-panel{opacity:1;visibility:visible;transform:translateY(0)}
.index-head{font-family:var(--mono);font-size:11px;letter-spacing:.16em;color:var(--ash);padding-bottom:10px;border-bottom:1px solid var(--line);margin-bottom:10px}
.index-list{display:grid;grid-template-columns:1fr 1fr;gap:2px}
.index-link{display:flex;align-items:center;gap:8px;padding:8px;font-size:13px;color:var(--fog);transition:background-color .16s ease,color .16s ease}
.index-link:hover{background:rgba(198,255,61,.08);color:var(--lime)}
.index-link-num{font-family:var(--mono);font-size:10px;color:var(--ash)}
.index-link-name{flex:1 1 auto;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.index-foot{margin-top:10px;padding-top:10px;border-top:1px solid var(--line);font-size:11px;color:var(--ash)}

.nav-toggle{display:none;align-items:center;gap:8px;padding:8px 12px;border:1px solid var(--line);color:var(--fog);transition:color .16s ease,border-color .16s ease}
.nav-toggle-label{font-size:12px;letter-spacing:.1em}
.nav-toggle-bars{display:grid;gap:3px;width:16px}
.nav-toggle-bars i{display:block;height:1px;background:currentColor;transition:transform .16s ease,opacity .16s ease}
.site-header[data-open] .nav-toggle{color:var(--lime);border-color:var(--lime)}
.site-header[data-open] .nav-toggle-bars i:nth-child(1){transform:translateY(4px) rotate(45deg)}
.site-header[data-open] .nav-toggle-bars i:nth-child(2){opacity:0}
.site-header[data-open] .nav-toggle-bars i:nth-child(3){transform:translateY(-4px) rotate(-45deg)}

/* ---------- 14. 页脚 ---------- */
.site-footer{position:relative;background:var(--moss);border-top:1px solid var(--line);padding:clamp(48px,7vw,88px) 0 32px}
.foot-top{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:clamp(24px,3vw,48px)}
.foot-col{min-width:0}
.foot-col--brand{max-width:36ch}
.foot-brand{font-size:22px;font-weight:800;letter-spacing:.04em;color:var(--white)}
.foot-tagline{font-family:var(--mono);font-size:12px;letter-spacing:.24em;color:var(--lime);margin:6px 0 14px}
.foot-desc{font-size:14px;color:var(--fog);line-height:1.75}
.foot-note{font-size:12px;line-height:1.7;color:var(--ash);margin-top:14px}
.foot-title{font-family:var(--mono);font-size:12px;font-weight:400;letter-spacing:.18em;color:var(--ash);text-transform:uppercase;margin-bottom:16px}
.foot-links{display:grid;gap:10px}
.foot-link{position:relative;display:inline-block;font-size:14px;color:var(--fog);transition:color .16s ease}
.foot-link::after{content:"";position:absolute;left:0;right:0;bottom:-3px;height:1px;background:var(--lime);transform:scaleX(0);transform-origin:left;transition:transform .16s ease}
.foot-link:hover{color:var(--lime)}
.foot-link:hover::after{transform:scaleX(1)}

.contact-list{display:grid;gap:12px}
.contact-item{display:grid;grid-template-columns:44px 1fr;gap:10px;align-items:start;font-size:13px}
.contact-key{font-family:var(--mono);font-size:10px;letter-spacing:.14em;color:var(--ash);padding-top:3px}
.contact-value{display:flex;align-items:center;gap:10px;flex-wrap:wrap;min-width:0;color:var(--fog)}
.contact-text{font-size:13px;line-height:1.65;color:var(--fog)}
.contact-text--mono{font-family:var(--mono);font-size:12.5px;letter-spacing:.02em;word-break:break-all}
.copy-btn{display:inline-flex;align-items:center;padding:3px 8px;border:1px solid var(--line);color:var(--ash);transition:color .16s ease,border-color .16s ease,background-color .16s ease}
.copy-btn:hover{color:var(--lime);border-color:var(--lime)}
.copy-btn[data-copied]{color:#08110C;background:var(--lime);border-color:var(--lime)}
.copy-btn-label{font-family:var(--mono);font-size:10px;letter-spacing:.12em}

.foot-bottom{margin-top:clamp(32px,5vw,56px);padding-top:20px;border-top:1px solid var(--line);display:flex;flex-wrap:wrap;gap:16px;align-items:center;justify-content:space-between}
.foot-copy{margin:0;font-size:12px;color:var(--ash);font-family:var(--mono);letter-spacing:.06em}
.foot-legal{display:flex;flex-wrap:wrap;gap:20px}
.foot-legal .foot-link{font-size:12px;color:var(--ash)}

/* ---------- 15. 全局工具 ---------- */
.scroll-progress{position:fixed;top:0;left:0;right:0;height:2px;z-index:90;pointer-events:none;background:rgba(36,66,58,.6)}
.scroll-progress-bar{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--lime-dim),var(--lime),var(--flame))}
.to-top{position:fixed;right:clamp(14px,3vw,28px);bottom:clamp(14px,3vw,28px);z-index:80;width:42px;height:42px;display:flex;align-items:center;justify-content:center;background:var(--moss);border:1px solid var(--line);color:var(--fog);clip-path:polygon(0 0,calc(100% - 10px) 0,100% 10px,100% 100%,0 100%);opacity:0;visibility:hidden;transform:translateY(10px);transition:opacity .18s ease,transform .18s ease,visibility .18s ease,color .18s ease,border-color .18s ease}
.to-top[data-visible]{opacity:1;visibility:visible;transform:translateY(0)}
.to-top:hover{color:var(--lime);border-color:var(--lime)}
.to-top-icon{font-size:15px;line-height:1}

/* ---------- 16. 响应式 ---------- */
@media (max-width:1180px){
  .cmd-num{display:none}
  .brand-domain{display:none}
  .status-note,.status-sep{display:none}
  .cmd-link{padding:0 10px;font-size:13px}
  .cmd-link::after{left:10px;right:10px}
}
@media (max-width:1000px){
  :root{--header-h:48px}
  .nav-toggle{display:inline-flex}
  .cmdbar{position:fixed;top:var(--header-h);left:0;right:0;bottom:0;z-index:59;padding:12px var(--pad) 48px;background:var(--ink);border-top:1px solid var(--line);overflow-y:auto;opacity:0;visibility:hidden;transform:translateY(-10px);transition:opacity .18s ease,transform .18s ease,visibility .18s ease}
  .site-header[data-open] .cmdbar{opacity:1;visibility:visible;transform:translateY(0)}
  .cmd-list{display:block;width:auto}
  .cmd-item{display:block;border-bottom:1px solid var(--line)}
  .cmd-link{height:auto;padding:16px 4px;font-size:16px;justify-content:flex-start;gap:14px}
  .cmd-link::after{display:none}
  .cmd-link:hover{background:transparent}
  .cmd-num{display:inline-block}
  .cmd-sub{position:static;min-width:0;display:grid;gap:2px;margin:0 0 12px 4px;padding:0 0 8px 16px;border:0;border-left:1px solid var(--line);background:transparent;opacity:1;visibility:visible;transform:none}
  .cmd-item:hover .cmd-sub,.cmd-item:focus-within .cmd-sub{transform:none}
  .cmd-sub-title{padding:6px 0 4px}
  .cmd-sub-link{padding:8px 0;color:var(--ash)}
  .index-panel{position:fixed;top:calc(var(--header-h) + 6px);left:8px;right:8px;width:auto;max-height:calc(100vh - var(--header-h) - 24px);overflow-y:auto}
  .foot-top{grid-template-columns:repeat(2,minmax(0,1fr));gap:clamp(24px,4vw,36px)}
  .card-grid--offset>*:nth-child(even){transform:none}
}
@media (max-width:900px){
  .col-3,.col-4,.col-5,.col-6,.col-7,.col-8,.col-9{grid-column:span 12}
  .chapter{flex-wrap:wrap}
  .chapter-note{margin-left:0;width:100%}
}
@media (max-width:680px){
  .status{display:none}
  .index-btn-label{display:none}
  .foot-top{grid-template-columns:minmax(0,1fr)}
  .foot-bottom{flex-direction:column;align-items:flex-start;gap:12px}
  .grid-12{gap:16px}
}

/* ---------- 17. 无障碍与降级 ---------- */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important}
  [data-reveal]{opacity:1;transform:none}
  .status-dot{box-shadow:none}
}