/* ==========================================================================
   /assets/site.css — YOBO(CHINA) 共享层
   未来赛场控制台：框架式导航 + 顶部数据条 + 矿物色谱
   ========================================================================== */

:root{
  /* 品牌色谱 */
  --ink:#0A0C10;
  --ink-2:#151A22;
  --line:#2A313C;
  --paper:#F2EFE9;
  --moss:#4F6B58;
  --moss-t:#8FA394;          /* 苔绿的文本可读版本，仅用于深底小字 */
  --clay:#B85C43;
  --volt:#2F6BFF;
  --cyan:#45F0D3;
  --amber:#FF8A3D;
  --gold:#C9A86A;
  --slate:#1D2A3A;

  /* 排版 */
  --sans:"PingFang SC","Microsoft YaHei","Noto Sans SC","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",sans-serif;
  --mono:"JetBrains Mono","IBM Plex Mono","SFMono-Regular",Consolas,Menlo,monospace;

  /* 结构 */
  --rail-w:220px;
  --ticker-h:44px;
  --wrap:1180px;
  --gap:clamp(14px,2.2vw,28px);
  --radius:2px;
  --ease:cubic-bezier(.22,.61,.36,1);
}

/* ---------- reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{margin:0;padding:0;scroll-behavior:smooth;scroll-padding-top:calc(var(--ticker-h) + 18px);-webkit-text-size-adjust:100%}
body,h1,h2,h3,h4,h5,p,ul,ol,figure,blockquote,dl,dd{margin:0}
ul,ol{padding:0;list-style:none}
img,svg,video{max-width:100%}
img,svg{display:block}
button{font:inherit;color:inherit;background:none;border:0;appearance:none}
a{color:inherit;text-decoration:none}
table{border-collapse:collapse;width:100%}

/* ---------- 中文正文排版 ---------- */
body{
  padding-top:var(--ticker-h);
  padding-bottom:88px;
  background:var(--ink);
  color:var(--paper);
  font-family:var(--sans);
  font-size:16px;
  line-height:1.75;
  font-weight:400;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
h1,h2,h3,h4{line-height:1.15;font-weight:500;letter-spacing:-.01em}
p{text-wrap:pretty}
::selection{background:var(--cyan);color:var(--ink)}

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

/* ---------- 跳至主要内容 ---------- */
.skip-link{
  position:fixed;top:10px;left:10px;z-index:220;
  transform:translateY(-180%);
  padding:11px 18px;
  background:var(--cyan);color:var(--ink);
  font:700 13px/1 var(--mono);letter-spacing:.08em;
  border-radius:var(--radius);
  transition:transform .18s var(--ease);
}
.skip-link:focus{transform:translateY(0)}

/* ---------- 顶部数据条 ---------- */
.ticker{
  position:fixed;top:0;left:0;right:0;height:var(--ticker-h);z-index:60;
  display:flex;align-items:center;overflow:hidden;
  background:linear-gradient(90deg,#10151d 0%,var(--ink-2) 44%,#0b0e13 100%);
  border-bottom:1px solid var(--line);
}
.ticker::before{
  content:"";position:absolute;inset:0;z-index:0;pointer-events:none;
  background-image:linear-gradient(90deg,var(--line) 1px,transparent 1px);
  background-size:96px 100%;opacity:.32;
}
.ticker__track{
  position:relative;z-index:1;
  display:flex;align-items:center;width:max-content;
  animation:tickerMove 58s linear infinite;
  will-change:transform;
}
.ticker:hover .ticker__track,
.ticker:focus-within .ticker__track{animation-play-state:paused}
.ticker__item{
  display:inline-flex;align-items:baseline;gap:.55rem;
  padding-right:3rem;white-space:nowrap;
  font:600 11px/1 var(--mono);letter-spacing:.14em;
}
.ticker__k{color:#79848f;font-weight:500}
.ticker__v{color:var(--cyan)}
.ticker__v--amber{color:var(--amber)}
.ticker__v--gold{color:var(--gold)}
@keyframes tickerMove{
  from{transform:translate3d(0,0,0)}
  to{transform:translate3d(-50%,0,0)}
}

/* ---------- 阅读进度 ---------- */
.progress{
  position:fixed;top:0;left:0;right:0;height:2px;z-index:70;
  pointer-events:none;background:rgba(47,107,255,.14);
}
.progress__bar{
  display:block;height:100%;width:100%;
  transform:scaleX(0);transform-origin:0 50%;
  background:linear-gradient(90deg,var(--volt),var(--cyan) 62%,var(--amber));
  transition:transform .12s linear;
}

/* ---------- 品牌 ---------- */
.brand{display:flex;align-items:center;gap:12px;min-width:0}
.brand__mark{
  flex:0 0 auto;width:38px;height:38px;display:grid;place-items:center;
  border:1px solid var(--cyan);border-radius:var(--radius);
  color:var(--cyan);font:700 13px/1 var(--mono);letter-spacing:.04em;
  background:radial-gradient(circle at 28% 18%,rgba(69,240,211,.18),transparent 72%);
  box-shadow:0 0 18px rgba(69,240,211,.12);
}
.brand__text{display:flex;flex-direction:column;gap:4px;min-width:0}
.brand__name{font-size:13px;font-weight:700;line-height:1.2;letter-spacing:.02em}
.brand__line{font:500 10px/1.3 var(--mono);letter-spacing:.1em;color:var(--moss-t)}

/* ---------- 框架式导航：窄栏 ---------- */
.rail{
  display:flex;flex-direction:column;gap:22px;
  background:linear-gradient(180deg,var(--ink-2) 0%,var(--ink) 58%,#080a0e 100%);
  border-right:1px solid var(--line);
}
.rail__brand{padding-bottom:4px}
.rail__nav{min-height:0}
.nav-list{display:flex;flex-direction:column;counter-reset:navidx}
.nav-list li{counter-increment:navidx}
.nav-link{
  display:flex;align-items:baseline;gap:10px;
  padding:11px 8px 11px 0;
  font-size:14px;font-weight:500;letter-spacing:.02em;
  color:rgba(242,239,233,.76);
  border-bottom:1px solid rgba(42,49,60,.72);
  transition:color .18s var(--ease),padding-left .18s var(--ease),border-color .18s var(--ease),background-color .18s var(--ease);
}
.nav-link::before{
  content:"0" counter(navidx);
  font:600 10px/1 var(--mono);letter-spacing:.1em;
  color:var(--line);
  transition:color .18s var(--ease);
}
.nav-link:hover,.nav-link:focus-visible{
  color:var(--paper);padding-left:7px;border-color:var(--cyan);
}
.nav-link:hover::before,.nav-link:focus-visible::before{color:var(--cyan)}
.nav-link[aria-current="page"]{
  color:var(--cyan);padding-left:7px;
  border-color:rgba(69,240,211,.7);
  background:linear-gradient(90deg,rgba(69,240,211,.08),transparent 78%);
}
.nav-link[aria-current="page"]::before{color:var(--amber)}

.rail__actions{display:flex;flex-direction:column;gap:10px;margin-top:auto}
.rail__note{
  font:500 10px/1.7 var(--mono);letter-spacing:.1em;
  color:rgba(242,239,233,.4);
}

/* ---------- 通用按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 18px;
  font-size:13px;font-weight:600;letter-spacing:.06em;line-height:1;
  border:1px solid transparent;border-radius:var(--radius);
  cursor:pointer;
  transition:background-color .16s var(--ease),color .16s var(--ease),border-color .16s var(--ease),box-shadow .16s var(--ease),transform .16s var(--ease);
}
.btn--primary{background:var(--amber);color:#1B0D04;border-color:var(--amber)}
.btn--primary:hover{background:#ff9c5c;box-shadow:0 0 0 3px rgba(255,138,61,.2)}
.btn--ghost{background:transparent;color:var(--paper);border-color:var(--line)}
.btn--ghost:hover{border-color:var(--cyan);color:var(--cyan);background:rgba(69,240,211,.06)}
.btn:active{transform:translateY(1px);box-shadow:0 0 0 4px rgba(255,138,61,.26)}
.btn:disabled{opacity:.5;cursor:not-allowed}

/* ---------- 移动导航按钮 ---------- */
.nav-toggle{
  position:fixed;right:16px;bottom:16px;z-index:75;
  display:inline-flex;align-items:center;gap:9px;
  padding:12px 16px;
  border:1px solid var(--line);border-radius:999px;
  background:rgba(21,26,34,.94);
  color:var(--paper);
  font:600 12px/1 var(--mono);letter-spacing:.14em;
  cursor:pointer;
  backdrop-filter:blur(6px);
  transition:border-color .18s var(--ease),color .18s var(--ease);
}
.nav-toggle__bars{position:relative;display:block;width:16px;height:10px}
.nav-toggle__bars::before,
.nav-toggle__bars::after{
  content:"";position:absolute;left:0;right:0;height:1px;background:currentColor;
  transition:transform .2s var(--ease);
}
.nav-toggle__bars::before{top:0}
.nav-toggle__bars::after{bottom:0}
.site-header[data-open] .nav-toggle__bars::before{transform:translateY(4.5px) rotate(45deg)}
.site-header[data-open] .nav-toggle__bars::after{transform:translateY(-4.5px) rotate(-45deg)}
.site-header[data-open] .nav-toggle{border-color:var(--amber);color:var(--amber)}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:clamp(44px,7vw,104px);
  padding:clamp(34px,5vw,64px) 0 26px;
  border-top:1px solid var(--line);
  background:linear-gradient(180deg,var(--ink) 0%,var(--ink-2) 100%);
}
.footer__grid{
  width:100%;max-width:var(--wrap);margin:0 auto;padding:0 20px;
  display:grid;gap:clamp(24px,3vw,42px);grid-template-columns:1fr;
}
.footer__brand{display:flex;flex-direction:column;gap:14px}
.footer__tagline{
  font:500 11px/1.8 var(--mono);letter-spacing:.12em;
  color:var(--moss-t);
}
.footer__stamp{font:500 11px/1.7 var(--mono);letter-spacing:.08em;color:rgba(242,239,233,.46)}
.footer__col{display:flex;flex-direction:column;gap:12px;min-width:0}
.footer__title{
  font:600 11px/1 var(--mono);letter-spacing:.16em;
  color:var(--moss-t);
}
.footer__list{display:flex;flex-direction:column}
.footer__link{
  display:inline-block;padding:6px 0;
  font-size:14px;color:rgba(242,239,233,.72);
  transition:color .16s var(--ease),transform .16s var(--ease);
}
.footer__link:hover,.footer__link:focus-visible{color:var(--cyan);transform:translateX(3px)}
.footer__list--contact{gap:0}
.footer__contact{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  padding:9px 0;border-bottom:1px solid rgba(42,49,60,.62);
}
.footer__contact--plain{border-bottom:0}
.footer__ck{
  flex:0 0 62px;
  font:600 10px/1 var(--mono);letter-spacing:.12em;color:var(--moss-t);
}
.footer__cv{
  flex:1 1 auto;min-width:0;
  font-size:13px;line-height:1.6;color:rgba(242,239,233,.86);
  word-break:break-word;
}
.footer__cv--mono{font-family:var(--mono);letter-spacing:.02em}
.footer__meta{
  width:100%;max-width:var(--wrap);margin:clamp(26px,4vw,46px) auto 0;padding:18px 20px 0;
  border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:8px 28px;justify-content:space-between;align-items:baseline;
  font:500 11px/1.7 var(--mono);letter-spacing:.06em;color:rgba(242,239,233,.48);
}
.footer__legal{color:rgba(242,239,233,.62)}
.footer__note{max-width:56ch}

/* ---------- 复制按钮与提示 ---------- */
.copy-btn{
  flex:0 0 auto;
  padding:5px 9px;
  font:600 10px/1 var(--mono);letter-spacing:.12em;
  color:rgba(242,239,233,.6);
  border:1px solid var(--line);border-radius:999px;
  cursor:pointer;
  transition:color .16s var(--ease),background-color .16s var(--ease),border-color .16s var(--ease);
}
.copy-btn:hover,.copy-btn:focus-visible{color:var(--ink);background:var(--cyan);border-color:var(--cyan)}
.copy-btn.is-done{color:#1B0D04;background:var(--amber);border-color:var(--amber)}
.copy-toast{
  position:fixed;left:50%;bottom:calc(100px + env(safe-area-inset-bottom,0px));
  transform:translate(-50%,12px);
  z-index:230;
  padding:10px 18px;
  border:1px solid var(--cyan);border-radius:999px;
  background:rgba(10,12,16,.95);color:var(--cyan);
  font:600 12px/1 var(--mono);letter-spacing:.1em;
  opacity:0;pointer-events:none;
  transition:opacity .2s var(--ease),transform .2s var(--ease);
}
.copy-toast.is-on{opacity:1;transform:translate(-50%,0)}

/* ---------- 内容容器与区块 ---------- */
.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 20px}
.section{position:relative;padding:clamp(44px,6.5vw,92px) 0}
.section--tight{padding:clamp(26px,4vw,52px) 0}
.section--band{
  background:linear-gradient(90deg,var(--slate) 0%,var(--ink-2) 58%,var(--ink) 100%);
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.section--moss{background:var(--moss);color:var(--paper)}
.section-head{
  display:flex;flex-wrap:wrap;align-items:baseline;justify-content:space-between;gap:14px;
  margin-bottom:clamp(20px,3vw,34px);
  padding-bottom:14px;border-bottom:1px solid var(--line);
}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font:600 11px/1 var(--mono);letter-spacing:.16em;color:var(--cyan);text-transform:uppercase;
}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--cyan);flex:0 0 auto}
.h2{font-size:clamp(26px,3.6vw,46px);font-weight:500;letter-spacing:-.015em}
.display{
  font-size:clamp(44px,8.4vw,112px);
  font-weight:300;line-height:.94;letter-spacing:-.02em;
  text-shadow:0 0 32px rgba(69,240,211,.14);
}
.display--outline{
  color:transparent;
  -webkit-text-stroke:1px rgba(69,240,211,.62);
  text-shadow:0 0 34px rgba(69,240,211,.22);
}
.lede{
  max-width:62ch;
  font-size:clamp(15px,1.15vw,18px);line-height:1.8;
  color:rgba(242,239,233,.78);
}
.divider{height:1px;background:var(--line);border:0}
.txt-link{
  color:var(--cyan);
  text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:3px;
}
.txt-link:hover{color:var(--amber)}

/* ---------- 数据与标签 ---------- */
.data{font-family:var(--mono);font-weight:600;letter-spacing:.04em;color:var(--cyan)}
.data--amber{color:var(--amber)}
.data--gold{color:var(--gold)}
.data--plain{color:var(--paper)}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 11px;
  border:1px solid var(--line);border-radius:999px;
  font:600 10px/1 var(--mono);letter-spacing:.12em;
  color:rgba(242,239,233,.72);
  cursor:pointer;
  transition:color .16s var(--ease),border-color .16s var(--ease),background-color .16s var(--ease);
}
.tag:hover{border-color:var(--cyan);color:var(--cyan)}
.tag[aria-pressed="true"],.tag.is-active{background:rgba(69,240,211,.12);border-color:var(--cyan);color:var(--cyan)}
.tag--clay{border-color:rgba(184,92,67,.7);color:var(--clay)}
.tag--moss{border-color:var(--moss-t);color:var(--moss-t)}
.tag--volt{border-color:rgba(47,107,255,.7);color:#8FB0FF}

/* ---------- 网格 ---------- */
.grid{display:grid;gap:var(--gap)}
.grid--2{grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}
.grid--3{grid-template-columns:repeat(auto-fit,minmax(216px,1fr))}
.grid--main{grid-template-columns:minmax(0,1fr)}

/* ---------- 卡片 ---------- */
.card{
  display:flex;flex-direction:column;gap:12px;
  padding:clamp(18px,2.2vw,28px);
  background:linear-gradient(180deg,var(--ink-2) 0%,var(--ink) 100%);
  border:1px solid var(--line);border-radius:var(--radius);
  transition:border-color .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease);
}
.card:hover,.card:focus-within{
  border-color:rgba(69,240,211,.55);
  transform:translateY(-3px);
  box-shadow:0 14px 34px rgba(0,0,0,.45);
}
.card__label{font:600 10px/1 var(--mono);letter-spacing:.14em;color:var(--moss-t)}
.card__title{font-size:clamp(17px,1.5vw,21px);font-weight:600;line-height:1.35;letter-spacing:0}
.card__text{font-size:15px;line-height:1.75;color:rgba(242,239,233,.72)}

/* ---------- 横向主题带 ---------- */
.band{
  display:flex;gap:clamp(12px,2vw,22px);
  padding-bottom:10px;
  overflow-x:auto;
  scroll-snap-type:x mandatory;
  -webkit-overflow-scrolling:touch;
  scrollbar-width:thin;
  scrollbar-color:var(--line) transparent;
}
.band::-webkit-scrollbar{height:6px}
.band::-webkit-scrollbar-thumb{background:var(--line);border-radius:999px}
.band__item{flex:0 0 auto;width:min(300px,78vw);scroll-snap-align:start}

/* ---------- 图片容器（供页面阶段放置图片） ---------- */
.media{
  position:relative;display:block;overflow:hidden;
  aspect-ratio:16/9;
  border:1px solid var(--line);border-radius:var(--radius);
  background-color:var(--slate);
  background-image:
    linear-gradient(135deg,rgba(47,107,255,.18),transparent 58%),
    linear-gradient(0deg,rgba(69,240,211,.055) 1px,transparent 1px),
    linear-gradient(90deg,rgba(69,240,211,.055) 1px,transparent 1px);
  background-size:auto,42px 42px,42px 42px;
}
.media > img,
.media > video{
  position:absolute;inset:0;width:100%;height:100%;
  object-fit:cover;display:block;
}
.media__cap{
  position:absolute;left:12px;right:12px;bottom:10px;z-index:2;
  font:600 10px/1.5 var(--mono);letter-spacing:.12em;
  color:rgba(242,239,233,.8);
}
.media--4x3{aspect-ratio:4/3}
.media--1x1{aspect-ratio:1/1}
.media--21x9{aspect-ratio:21/9}

/* ---------- 面包屑 ---------- */
.crumbs{width:100%;max-width:var(--wrap);margin:0 auto;padding:20px 20px 0}
.crumbs__list{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font:500 11px/1 var(--mono);letter-spacing:.12em;
  color:rgba(242,239,233,.46);
}
.crumbs__item{display:inline-flex;align-items:center;gap:8px}
.crumbs__item + .crumbs__item::before{content:"/";color:var(--line)}
.crumbs__link{border-bottom:1px solid transparent;transition:color .16s var(--ease),border-color .16s var(--ease)}
.crumbs__link:hover,.crumbs__link:focus-visible{color:var(--cyan);border-color:var(--cyan)}
.crumbs__item[aria-current="page"]{color:var(--cyan)}

/* ---------- 滚动显现 ---------- */
[data-reveal]{
  opacity:0;
  transform:translate3d(0,18px,0);
  transition:opacity .6s var(--ease),transform .6s var(--ease);
  transition-delay:calc(var(--i,0) * 80ms);
}
[data-reveal].is-visible{opacity:1;transform:none}

/* ==========================================================================
   断点：平板
   ========================================================================== */
@media (min-width:720px){
  .wrap{padding:0 28px}
  .crumbs{padding:22px 28px 0}
  .footer__grid{grid-template-columns:repeat(2,minmax(0,1fr));padding:0 28px}
  .footer__meta{padding:20px 28px 0}
}

/* ==========================================================================
   断点：桌面 — 窄栏成为页面视觉边框
   ========================================================================== */
@media (min-width:1024px){
  body{padding-top:var(--ticker-h);padding-left:var(--rail-w);padding-bottom:0}
  .ticker{left:var(--rail-w)}
  .rail{
    position:fixed;top:0;left:0;bottom:0;width:var(--rail-w);z-index:55;
    padding:calc(var(--ticker-h) + 28px) 22px 26px;
    overflow-y:auto;
    border-top:0;border-radius:0;box-shadow:none;transform:none;
  }
  .nav-toggle{display:none}
  .wrap{padding:0 40px}
  .crumbs{padding:26px 40px 0}
  .footer__grid{grid-template-columns:1.45fr 1fr 1fr 1.5fr;padding:0 40px}
  .footer__meta{padding:20px 40px 0}
  .grid--main{grid-template-columns:minmax(0,1.65fr) minmax(0,1fr)}
  .grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}
  .copy-toast{bottom:28px}
}

@media (min-width:1280px){
  :root{--rail-w:236px}
}

/* ==========================================================================
   移动端默认形态：窄栏收为底部悬浮面板
   ========================================================================== */
@media (max-width:1023px){
  .rail{
    position:fixed;left:0;right:0;bottom:0;z-index:70;
    max-height:82vh;overflow-y:auto;
    padding:22px 20px calc(96px + env(safe-area-inset-bottom,0px));
    border-right:0;border-top:1px solid var(--line);
    border-radius:16px 16px 0 0;
    box-shadow:0 -20px 44px rgba(0,0,0,.6);
    transform:translateY(103%);
    transition:transform .3s var(--ease);
  }
  .site-header[data-open] .rail{transform:translateY(0)}
  .rail__actions{margin-top:6px}
  .nav-link{padding:13px 8px 13px 0;font-size:15px}
  .btn{padding:14px 18px}
}

/* ==========================================================================
   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;
  }
  .ticker{overflow-x:auto}
  .ticker__track{animation:none;transform:none}
  .ticker__item[aria-hidden="true"]{display:none}
  [data-reveal]{opacity:1;transform:none}
  .card:hover{transform:none}
  .footer__link:hover{transform:none}
}