/* ============================================================
   KAIYUN 竞猜主站 · 共享样式 /assets/site.css
   深夜赛事控制室 × 数据脉冲 × 粗野主义轮廓
   ============================================================ */

/* ---------- 1. 设计变量 ---------- */
:root{
  --ky-black:#06080F;
  --ky-panel:#0F1524;
  --ky-indigo:#14264A;
  --ky-blue:#1F6BFF;
  --ky-blue-lt:#7FA8FF;
  --ky-cyan:#33F0D2;
  --ky-amber:#FFA23A;
  --ky-white:#F3F7FF;
  --ky-body:#D9E1F2;
  --ky-mist:#8B94A8;
  --ky-cyan-dim:#0B3A38;
  --ky-amber-dim:#3A2510;
  --ky-line:rgba(127,168,255,.22);
  --ky-line-strong:rgba(127,168,255,.44);
  --ky-shadow:8px 8px 0 0 rgba(31,107,255,.26);
  --ky-shadow-hard:8px 8px 0 0 #04060C;
  --ky-radius:2px;
  --ky-wrap:1240px;
  --ky-gut:clamp(18px,4vw,44px);
  --ky-header-h:74px;
  --ky-font:"PingFang SC","HarmonyOS Sans","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --ky-mono:"JetBrains Mono","IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}

/* ---------- 2. Reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body,h1,h2,h3,h4,p,ul,ol,figure,dl,dd,blockquote{margin:0}
ul,ol{list-style:none;padding:0}
img,svg,picture{display:block;max-width:100%}
a{color:var(--ky-blue-lt);text-decoration:none}
a:hover{color:var(--ky-cyan)}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
table{border-collapse:collapse;width:100%}

/* ---------- 3. 基础排版 ---------- */
body{
  min-height:100vh;
  padding-top:var(--ky-header-h);
  background-color:var(--ky-black);
  background-image:
    repeating-linear-gradient(90deg,rgba(127,168,255,.055) 0 1px,transparent 1px 96px),
    repeating-linear-gradient(0deg,rgba(127,168,255,.045) 0 1px,transparent 1px 96px);
  color:var(--ky-body);
  font-family:var(--ky-font);
  font-size:17px;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{color:var(--ky-white);font-weight:800;line-height:1.1;letter-spacing:.02em}
h1{font-size:clamp(34px,6vw,64px)}
h2{font-size:clamp(24px,3.4vw,40px)}
h3{font-size:clamp(19px,2vw,24px)}
p{max-width:72ch}
strong{color:var(--ky-white)}
::selection{background:var(--ky-cyan);color:#04110F}
[id]{scroll-margin-top:calc(var(--ky-header-h) + 26px)}
:focus-visible{outline:2px solid var(--ky-cyan);outline-offset:3px;border-radius:var(--ky-radius)}

.ky-mono{font-family:var(--ky-mono);font-variant-numeric:tabular-nums;letter-spacing:.04em}
.ky-eyebrow{display:inline-flex;align-items:center;gap:10px;font-family:var(--ky-mono);font-size:12px;
  letter-spacing:.18em;text-transform:uppercase;color:var(--ky-cyan)}
.ky-eyebrow::before{content:"";width:26px;height:2px;background:var(--ky-cyan)}
.ky-lede{font-size:clamp(17px,1.5vw,20px);color:var(--ky-body);max-width:62ch}
.ky-title-xl{font-size:clamp(40px,7vw,96px);line-height:1.02;letter-spacing:.06em;text-transform:uppercase}
.ky-title-l{font-size:clamp(28px,4.4vw,64px);line-height:1.06;letter-spacing:.05em;text-transform:uppercase}
.ky-title-m{font-size:clamp(22px,2.6vw,40px);line-height:1.12}
.ky-badge{display:inline-flex;align-items:center;gap:8px;padding:5px 11px;border:1px solid var(--ky-amber);
  background:var(--ky-amber-dim);color:var(--ky-amber);font-family:var(--ky-mono);font-size:12px;letter-spacing:.1em}
.ky-tick{height:12px;margin-block:clamp(28px,5vw,56px);border-top:1px solid var(--ky-line);
  background:repeating-linear-gradient(90deg,var(--ky-line-strong) 0 1px,transparent 1px 14px)}

/* ---------- 4. 容器与网格 ---------- */
.ky-container{width:100%;max-width:var(--ky-wrap);margin-inline:auto;padding-inline:var(--ky-gut)}
.ky-section{padding-block:clamp(46px,8vw,104px)}
.ky-section__head{display:grid;gap:14px;margin-bottom:clamp(24px,4vw,48px)}
.ky-section__idx{font-family:var(--ky-mono);font-size:12px;letter-spacing:.2em;color:var(--ky-mist)}
.ky-grid{display:grid;gap:clamp(18px,2.6vw,34px)}
.ky-grid--7-5{grid-template-columns:minmax(0,7fr) minmax(0,5fr)}
.ky-grid--5-7{grid-template-columns:minmax(0,5fr) minmax(0,7fr)}
.ky-grid--halves{grid-template-columns:repeat(2,minmax(0,1fr))}
.ky-grid--cards{grid-template-columns:repeat(auto-fit,minmax(258px,1fr))}

/* ---------- 5. 通用组件 ---------- */
.ky-skip{position:absolute;left:16px;top:-70px;z-index:120;padding:12px 18px;background:var(--ky-cyan);
  color:#04110F;font-weight:700;border-radius:var(--ky-radius);transition:top .18s ease}
.ky-skip:focus{top:12px;color:#04110F}

.ky-btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:46px;padding:0 22px;
  border:2px solid transparent;border-radius:var(--ky-radius);font:600 15px/1 var(--ky-font);letter-spacing:.05em;
  cursor:pointer;transition:transform .16s ease,box-shadow .16s ease,background-color .16s ease,color .16s ease}
.ky-btn--primary{background:var(--ky-blue);border-color:var(--ky-blue);color:#FFFFFF;
  box-shadow:4px 4px 0 0 rgba(51,240,210,.34)}
.ky-btn--primary:hover{background:#2C77FF;color:#FFFFFF;transform:translate(-2px,-2px);
  box-shadow:6px 6px 0 0 rgba(51,240,210,.5)}
.ky-btn--ghost{background:transparent;border-color:var(--ky-cyan);color:var(--ky-cyan)}
.ky-btn--ghost:hover{background:var(--ky-cyan-dim);color:var(--ky-cyan);transform:translate(-2px,-2px)}
.ky-btn--sm{min-height:38px;padding:0 15px;font-size:13px}

.ky-panel{position:relative;padding:clamp(18px,3vw,30px);background:var(--ky-panel);
  border:2px solid var(--ky-indigo);border-radius:var(--ky-radius);box-shadow:var(--ky-shadow-hard)}
.ky-panel--accent{border-color:var(--ky-blue);box-shadow:8px 8px 0 0 rgba(51,240,210,.18)}
.ky-panel--slice{overflow:hidden}
.ky-panel--slice::before{content:"";position:absolute;top:-2px;right:-2px;width:72px;height:72px;
  background:linear-gradient(135deg,transparent 49%,var(--ky-blue) 50%);opacity:.85}

.ky-crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-family:var(--ky-mono);font-size:12px;
  letter-spacing:.1em;color:var(--ky-mist);padding-top:clamp(16px,3vw,28px)}
.ky-crumbs__item{display:inline-flex;align-items:center;gap:10px}
.ky-crumbs__item+ .ky-crumbs__item::before{content:"/";color:var(--ky-line-strong)}
.ky-crumbs__item[aria-current="page"]{color:var(--ky-cyan)}

.ky-kv{display:grid;grid-template-columns:minmax(96px,auto) minmax(0,1fr);gap:10px 20px;
  border-top:1px solid var(--ky-line);padding-top:18px}
.ky-kv dt{font-family:var(--ky-mono);font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--ky-mist)}
.ky-kv dd{color:var(--ky-white)}

.ky-toc{position:sticky;top:calc(var(--ky-header-h) + 24px);border-left:2px solid var(--ky-indigo);padding-left:16px}
.ky-toc__list{display:grid;gap:4px}
.ky-toc__link{display:block;padding:8px 10px;color:var(--ky-mist);font-size:14px;border-left:2px solid transparent;
  margin-left:-18px;padding-left:16px;transition:color .18s ease,border-color .18s ease,background-color .18s ease}
.ky-toc__link:hover{color:var(--ky-body);background:rgba(31,107,255,.08)}
.ky-toc__link[aria-current]{color:var(--ky-cyan);border-left-color:var(--ky-cyan);background:rgba(51,240,210,.07)}

/* ---------- 6. 头部：紧凑命令栏 ---------- */
.ky-header{position:fixed;top:0;left:0;right:0;z-index:90;
  background:rgba(6,8,15,.93);backdrop-filter:blur(10px);border-bottom:2px solid var(--ky-indigo)}
.ky-header::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;pointer-events:none;
  background:repeating-linear-gradient(90deg,var(--ky-blue-lt) 0 1px,transparent 1px 12px);opacity:.32}
.ky-header__rail{display:grid;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;
  gap:clamp(12px,2vw,28px);width:100%;max-width:var(--ky-wrap);margin-inline:auto;
  min-height:var(--ky-header-h);padding-inline:var(--ky-gut)}

.ky-brand{display:inline-flex;align-items:center;gap:12px;color:var(--ky-white)}
.ky-brand:hover{color:var(--ky-white)}
.ky-brand__mark{display:grid;place-items:center;width:38px;height:38px;flex:none;border:2px solid var(--ky-cyan);
  background:var(--ky-cyan-dim);color:var(--ky-cyan);font-size:14px;font-weight:700;letter-spacing:.08em}
.ky-brand__text{display:grid;gap:2px;line-height:1.2}
.ky-brand__name{font-size:15px;font-weight:800;letter-spacing:.04em;white-space:nowrap}
.ky-brand__ver{font-size:11px;letter-spacing:.16em;color:var(--ky-amber);white-space:nowrap}

.ky-nav{display:flex;justify-content:center;min-width:0}
.ky-nav__list{display:flex;align-items:center;gap:clamp(4px,1.5vw,20px)}
.ky-nav__item{display:flex}
.ky-nav__link{position:relative;display:inline-flex;align-items:center;gap:7px;min-height:44px;padding:0 4px;
  color:var(--ky-body);font-size:14px;font-weight:600;letter-spacing:.05em;white-space:nowrap}
.ky-nav__link::after{content:"";position:absolute;left:0;right:0;bottom:2px;height:2px;background:var(--ky-cyan);
  transform:scaleX(0);transform-origin:left;transition:transform .2s ease}
.ky-nav__link:hover{color:var(--ky-white)}
.ky-nav__link:hover::after,.ky-nav__link[aria-current="page"]::after{transform:scaleX(1)}
.ky-nav__link[aria-current="page"]{color:var(--ky-cyan)}
.ky-nav__idx{font-size:11px;letter-spacing:.1em;color:var(--ky-mist)}
.ky-nav__link[aria-current="page"] .ky-nav__idx{color:var(--ky-cyan)}
.ky-nav__note,.ky-nav__cta{display:none}

.ky-header__meta{display:flex;align-items:center;gap:14px}
.ky-status{display:inline-flex;align-items:center;gap:9px;padding:6px 11px;border:1px solid var(--ky-line);
  background:var(--ky-cyan-dim);color:var(--ky-mist);font-size:12px}
.ky-status__dot{width:8px;height:8px;flex:none;background:var(--ky-cyan);box-shadow:0 0 0 3px rgba(51,240,210,.16);
  animation:ky-pulse 1.6s ease-in-out infinite}
.ky-status__label{letter-spacing:.1em}
.ky-status__time{color:var(--ky-cyan)}

.ky-navtoggle{display:none;align-items:center;gap:10px;min-height:44px;padding:0 12px;border:2px solid var(--ky-line-strong);
  color:var(--ky-white);font-family:var(--ky-mono);font-size:12px;letter-spacing:.14em;text-transform:uppercase}
.ky-navtoggle__bars{position:relative;display:block;width:20px;height:12px}
.ky-navtoggle__bars::before,.ky-navtoggle__bars::after{content:"";position:absolute;left:0;right:0;height:2px;
  background:var(--ky-cyan);transition:transform .22s ease}
.ky-navtoggle__bars::before{top:0}
.ky-navtoggle__bars::after{bottom:0}
.ky-header[data-open] .ky-navtoggle__bars::before{transform:translateY(5px) rotate(45deg)}
.ky-header[data-open] .ky-navtoggle__bars::after{transform:translateY(-5px) rotate(-45deg)}

.ky-progress{position:absolute;left:0;bottom:-2px;width:100%;height:2px;z-index:3;transform:scaleX(0);
  transform-origin:left;background:linear-gradient(90deg,var(--ky-blue),var(--ky-cyan))}

@keyframes ky-pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.3;transform:scale(.65)}}

/* ---------- 7. 页脚：控制台索引 ---------- */
.ky-footer{margin-top:clamp(48px,8vw,110px);border-top:2px solid var(--ky-indigo);
  background:linear-gradient(180deg,var(--ky-panel) 0%,var(--ky-black) 78%);position:relative}
.ky-footer::before{content:"";position:absolute;top:-2px;left:0;right:0;height:2px;
  background:repeating-linear-gradient(90deg,var(--ky-cyan) 0 1px,transparent 1px 18px);opacity:.4}
.ky-footer__grid{display:grid;grid-template-columns:1.6fr repeat(4,minmax(0,1fr));gap:clamp(22px,3vw,40px);
  padding-block:clamp(38px,6vw,72px)}
.ky-footer__brand{display:grid;gap:10px;align-content:start}
.ky-footer__mark{display:grid;place-items:center;width:44px;height:44px;border:2px solid var(--ky-blue);
  background:rgba(31,107,255,.14);color:var(--ky-blue-lt);font-size:15px;font-weight:700}
.ky-footer__name{color:var(--ky-white);font-size:18px;font-weight:800;letter-spacing:.03em}
.ky-footer__ver{font-size:11px;letter-spacing:.16em;color:var(--ky-cyan)}
.ky-footer__note{font-size:14px;color:var(--ky-mist);max-width:34ch}
.ky-footer__col{display:grid;gap:14px;align-content:start}
.ky-footer__title{font-family:var(--ky-mono);font-size:12px;font-weight:600;letter-spacing:.18em;
  text-transform:uppercase;color:var(--ky-white);padding-bottom:10px;border-bottom:1px solid var(--ky-line)}
.ky-footer__list{display:grid;gap:9px;font-size:14px}
.ky-footer__list a{color:var(--ky-body)}
.ky-footer__list a:hover{color:var(--ky-cyan)}
.ky-footer__meta{color:var(--ky-mist);font-size:12px;word-break:break-all}
.ky-footer__base{display:flex;flex-wrap:wrap;gap:10px 28px;align-items:center;justify-content:space-between;
  padding-block:22px;border-top:2px solid var(--ky-indigo);font-size:13px}
.ky-footer__legal{color:var(--ky-body);max-width:none}
.ky-footer__contact{color:var(--ky-mist);font-size:12px}
.ky-footer__copy{color:var(--ky-mist);font-size:12px}

/* ---------- 8. 媒体容器（供页面阶段放置图片） ---------- */
.ky-media{position:relative;display:block;overflow:hidden;border:2px solid var(--ky-indigo);border-radius:var(--ky-radius);
  background:linear-gradient(135deg,var(--ky-panel) 0%,#0A1020 55%,var(--ky-indigo) 100%);
  box-shadow:var(--ky-shadow);width:100%}
.ky-media>img,.ky-media>picture>img{width:100%;height:100%;object-fit:cover}
.ky-media::after{content:"";position:absolute;inset:0;pointer-events:none;
  background:repeating-linear-gradient(0deg,rgba(6,8,15,.34) 0 1px,transparent 1px 5px);opacity:.42}
.ky-media--16x9{aspect-ratio:16/9}
.ky-media--4x3{aspect-ratio:4/3}
.ky-media--1x1{aspect-ratio:1/1}
.ky-media--diagonal{clip-path:polygon(0 0,100% 0,100% calc(100% - 44px),calc(100% - 44px) 100%,0 100%)}
.ky-media__caption{position:absolute;left:0;bottom:0;z-index:2;padding:8px 12px;background:rgba(6,8,15,.86);
  border-top:2px solid var(--ky-cyan);color:var(--ky-cyan);font-family:var(--ky-mono);font-size:12px;letter-spacing:.08em}

/* ---------- 9. 动效、滚动交互与可访问性 ---------- */
.ky-js .ky-reveal{opacity:0;transform:translateY(12px);transition:opacity .24s ease,transform .24s ease}
.ky-js .ky-reveal.is-in{opacity:1;transform:none}

.ky-top{position:fixed;right:clamp(14px,2.4vw,28px);bottom:clamp(14px,2.4vw,28px);z-index:80;
  display:inline-flex;align-items:center;gap:8px;min-height:48px;padding:0 16px;border:2px solid var(--ky-cyan);
  background:rgba(6,8,15,.92);color:var(--ky-cyan);font-family:var(--ky-mono);font-size:12px;letter-spacing:.14em;
  opacity:0;visibility:hidden;transform:translateY(10px);transition:opacity .2s ease,transform .2s ease,visibility .2s}
.ky-top[data-visible]{opacity:1;visibility:visible;transform:none}
.ky-top:hover{background:var(--ky-cyan-dim)}
.ky-top__arrow{font-size:15px;line-height:1}
.ky-top__text{line-height:1}
.ky-no-scroll{overflow:hidden}

/* ---------- 10. 响应式 ---------- */
@media (max-width:1180px){
  .ky-brand__name{font-size:14px}
  .ky-nav__link{font-size:13px}
}
@media (max-width:1000px){
  :root{--ky-header-h:64px}
  .ky-header__rail{grid-template-columns:minmax(0,1fr) auto auto}
  .ky-navtoggle{display:inline-flex}
  .ky-nav{position:fixed;top:var(--ky-header-h);left:0;right:0;bottom:0;z-index:70;
    display:flex;flex-direction:column;justify-content:flex-start;gap:18px;padding:clamp(22px,6vw,42px) var(--ky-gut) 48px;
    overflow-y:auto;border-top:2px solid var(--ky-indigo);
    background:linear-gradient(180deg,#080B14 0%,var(--ky-black) 62%);
    opacity:0;visibility:hidden;transform:translateY(-10px);
    transition:opacity .24s ease,transform .24s ease,visibility .24s}
  .ky-header[data-open] .ky-nav{opacity:1;visibility:visible;transform:none}
  .ky-nav__list{flex-direction:column;align-items:stretch;gap:0}
  .ky-nav__item{display:block}
  .ky-nav__link{justify-content:flex-start;min-height:56px;font-size:19px;padding:0 4px;
    border-bottom:1px solid var(--ky-line)}
  .ky-nav__link::after{display:none}
  .ky-nav__link[aria-current="page"]{border-bottom-color:var(--ky-cyan);background:rgba(51,240,210,.06)}
  .ky-nav__note{display:block;font-size:12px;letter-spacing:.12em;color:var(--ky-mist)}
  .ky-nav__note [data-refresh-time]{color:var(--ky-cyan)}
  .ky-nav__cta{display:inline-flex;width:100%;margin-top:14px}
  .ky-footer__grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .ky-footer__brand{grid-column:1/-1}
}
@media (max-width:900px){
  .ky-grid--7-5,.ky-grid--5-7,.ky-grid--halves{grid-template-columns:minmax(0,1fr)}
  .ky-toc{position:static;border-left:0;border-top:2px solid var(--ky-indigo);padding:14px 0 0}
  .ky-toc__link{margin-left:0;padding-left:12px;border-left:2px solid var(--ky-line)}
}
@media (max-width:720px){
  .ky-header__meta{display:none}
  .ky-title-xl{letter-spacing:.04em}
  .ky-kv{grid-template-columns:minmax(0,1fr);gap:4px 0}
  .ky-kv dd{margin-bottom:12px}
}
@media (max-width:560px){
  body{font-size:16px}
  .ky-footer__grid{grid-template-columns:minmax(0,1fr);gap:26px}
  .ky-footer__base{flex-direction:column;align-items:flex-start}
  .ky-top{padding:0 12px;min-height:46px}
  .ky-top__text{display:none}
}

/* ---------- 11. 减弱动效 ---------- */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;
    transition-duration:.001ms!important;scroll-behavior:auto!important}
  .ky-status__dot{opacity:1;transform:none}
  .ky-js .ky-reveal{opacity:1;transform:none}
}