/* =========================================================
   龙珠体育 — 共享样式 /assets/site.css
   赛场战术板 + 龙珠雷达：暗基底、Bento 模块、等宽数字
   ========================================================= */

/* ---------- 1. 变量 ---------- */
:root{
  --c-orange:#FF6A1A;
  --c-orange-lift:#FF9A3C;
  --c-ink:#0B0C0E;
  --c-panel:#16191E;
  --c-line:#2E343D;
  --c-line-soft:rgba(46,52,61,.62);
  --c-mint:#14E0B1;
  --c-mint-bg:#0E2F2C;
  --c-paper:#F4F1EA;
  --c-gray:#99A2AC;
  --c-body:#D6D9DD;

  --font-display:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,sans-serif;
  --font-serif:"Songti SC","Noto Serif SC",SimSun,Georgia,"Times New Roman",serif;
  --font-body:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-mono:ui-monospace,"SFMono-Regular",Menlo,Consolas,"Liberation Mono","Courier New",monospace;

  --shell:1240px;
  --gutter:20px;
  --hdr-top-h:44px;
  --hdr-main-h:64px;
  --radius:2px;
}

/* ---------- 2. Reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{
  -webkit-text-size-adjust:100%;
  scroll-behavior:smooth;
  scroll-padding-top:130px;
}
body{
  margin:0;
  background:var(--c-ink);
  color:var(--c-paper);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3,h4,h5,h6,p,figure,blockquote,dl,dd,pre{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;padding:0;cursor:pointer}
img,svg,video{display:block;max-width:100%}
table{border-collapse:collapse}
:focus-visible{outline:2px solid var(--c-mint);outline-offset:3px}

/* ---------- 3. 基础排版工具 ---------- */
.shell{width:100%;max-width:var(--shell);margin:0 auto;padding:0 var(--gutter)}
.section{padding:clamp(48px,7vw,96px) 0}
.visually-hidden{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);clip-path:inset(50%);white-space:nowrap;border:0}
.rule{height:1px;background:var(--c-line);border:0;margin:0}
.rule--accent{height:2px;background:linear-gradient(90deg,var(--c-orange) 0%,var(--c-mint) 58%,rgba(11,12,14,0) 100%)}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--font-mono);font-size:12px;letter-spacing:.22em;text-transform:uppercase;
  color:var(--c-mint);
}
.eyebrow::before{content:"";width:20px;height:1px;background:currentColor;flex:none}

/* ---------- 4. Skip link ---------- */
.skip-link{
  position:fixed;top:0;left:50%;z-index:300;
  transform:translate(-50%,-160%);
  padding:12px 22px;background:var(--c-mint);color:var(--c-ink);
  font-size:14px;font-weight:700;letter-spacing:.06em;
  transition:transform .22s ease;
}
.skip-link:focus{transform:translate(-50%,0)}

/* ---------- 5. 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 24px;border:1px solid transparent;border-radius:var(--radius);
  font-size:14px;font-weight:600;letter-spacing:.05em;line-height:1;
  white-space:nowrap;
  transition:background-color .18s ease,color .18s ease,border-color .18s ease,transform .12s ease;
}
.btn--sm{padding:9px 16px;font-size:13px}
.btn--primary{background:var(--c-orange);color:var(--c-ink);border-color:var(--c-orange)}
.btn--primary:hover{background:var(--c-orange-lift);border-color:var(--c-orange-lift)}
.btn--primary:active{transform:scale(.97)}
.btn--mint{background:var(--c-mint);color:var(--c-ink);border-color:var(--c-mint)}
.btn--mint:hover{background:#3DEBC5;border-color:#3DEBC5}
.btn--ghost{background:transparent;color:var(--c-paper);border-color:var(--c-line)}
.btn--ghost:hover{color:var(--c-mint);border-color:var(--c-mint)}

/* ---------- 6. 品牌署名 ---------- */
.brand{display:inline-flex;align-items:center;gap:10px;min-height:32px;flex:none}
.brand__mark{
  position:relative;flex:none;
  display:inline-flex;align-items:center;justify-content:center;
  width:30px;height:30px;border:1px solid var(--c-orange);border-radius:50%;
  font-family:var(--font-display);font-weight:900;font-size:15px;line-height:1;
  color:var(--c-orange);
}
.brand__ring{
  position:absolute;inset:-5px;border-radius:50%;
  border:1px solid transparent;
  border-top-color:var(--c-mint);
  border-right-color:rgba(20,224,177,.35);
  animation:radar-spin 6s linear infinite;
}
.brand__text{display:flex;flex-direction:column;line-height:1.15;min-width:0}
.brand__name{font-family:var(--font-display);font-weight:900;font-size:17px;letter-spacing:.07em;color:var(--c-paper)}
.brand__tag{font-size:11px;letter-spacing:.09em;color:var(--c-gray)}
.brand--footer .brand__name{font-size:16px}

@keyframes radar-spin{to{transform:rotate(360deg)}}

/* ---------- 7. 头部 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:var(--c-ink);
  border-bottom:1px solid var(--c-line);
}
.header-top{
  background:linear-gradient(90deg,#0B0C0E 0%,#141A19 54%,#0E2F2C 100%);
  border-bottom:1px solid var(--c-line);
  max-height:var(--hdr-top-h);
  overflow:hidden;
  transition:max-height .3s ease,opacity .22s ease,border-color .22s ease;
}
.site-header[data-condensed] .header-top{max-height:0;opacity:0;border-color:transparent}
.header-top__inner{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  height:var(--hdr-top-h);
}
.header-top__meta{
  display:flex;align-items:center;gap:12px;
  font-family:var(--font-mono);font-size:12px;letter-spacing:.04em;color:var(--c-gray);
}
.header-top__sep{width:1px;height:12px;background:var(--c-line);flex:none}
.status-dot{display:inline-flex;align-items:center;gap:7px;color:var(--c-mint);white-space:nowrap}
.status-dot__light{
  width:7px;height:7px;border-radius:50%;background:var(--c-mint);flex:none;
  animation:status-pulse 2.4s ease-out infinite;
}
@keyframes status-pulse{
  0%{box-shadow:0 0 0 0 rgba(20,224,177,.55)}
  70%{box-shadow:0 0 0 8px rgba(20,224,177,0)}
  100%{box-shadow:0 0 0 0 rgba(20,224,177,0)}
}
.header-main__inner{
  display:flex;align-items:center;gap:20px;
  height:var(--hdr-main-h);
}
.nav{display:none}
.nav__list{display:flex;align-items:center;gap:2px}
.nav__item{flex:none}
.nav__link{
  position:relative;display:inline-block;
  padding:9px 14px;font-size:15px;font-weight:500;letter-spacing:.02em;
  color:var(--c-paper);white-space:nowrap;
  transition:color .18s ease;
}
.nav__link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:1px;height:2px;
  background:var(--c-orange);
  transform:scaleX(0);transform-origin:left center;
  transition:transform .2s ease;
}
.nav__link:hover{color:var(--c-orange-lift)}
.nav__link:hover::after{transform:scaleX(1)}
.nav__link[aria-current="page"]{color:var(--c-orange);font-weight:700}
.nav__link[aria-current="page"]::after{transform:scaleX(1)}
.header-actions{display:flex;align-items:center;gap:10px;margin-left:auto}
.nav-toggle{
  display:inline-flex;align-items:center;gap:9px;
  padding:9px 13px;border:1px solid var(--c-line);border-radius:var(--radius);
  font-size:13px;letter-spacing:.1em;color:var(--c-paper);
  transition:border-color .2s ease,color .2s ease;
}
.nav-toggle:hover{border-color:var(--c-orange-lift);color:var(--c-orange-lift)}
.nav-toggle[aria-expanded="true"]{border-color:var(--c-orange);color:var(--c-orange)}
.nav-toggle__bars{position:relative;display:inline-block;width:16px;height:10px;flex:none}
.nav-toggle__bars::before,
.nav-toggle__bars::after{
  content:"";position:absolute;left:0;width:16px;height:1.5px;background:currentColor;
  transition:transform .2s ease,top .2s ease;
}
.nav-toggle__bars::before{top:0}
.nav-toggle__bars::after{top:8px}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::before{top:4px;transform:rotate(45deg)}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::after{top:4px;transform:rotate(-45deg)}
.nav-toggle__label{display:none}

.scroll-progress{
  position:absolute;left:0;bottom:-1px;height:2px;width:0;
  background:linear-gradient(90deg,var(--c-orange),var(--c-mint));
  z-index:2;pointer-events:none;
  transition:width .1s linear;
}

body[data-nav-lock]{overflow:hidden}

/* ---------- 8. 页脚 ---------- */
.site-footer{
  position:relative;
  margin-top:clamp(56px,8vw,120px);
  background:var(--c-ink);
  border-top:1px solid var(--c-line);
}
.site-footer::before{
  content:"";position:absolute;top:-1px;left:0;height:2px;width:min(40%,420px);
  background:linear-gradient(90deg,var(--c-orange),var(--c-mint));
}
.footer-grid{
  display:grid;grid-template-columns:1fr;gap:clamp(24px,3vw,40px);
  padding:clamp(40px,5vw,72px) 0 clamp(30px,4vw,52px);
}
.footer-brand{display:flex;flex-direction:column;gap:14px}
.footer-brand__lede{
  font-family:var(--font-serif);font-size:15px;line-height:1.7;color:var(--c-gray);
  max-width:30ch;
}
.footer-brand__meta{
  font-family:var(--font-mono);font-size:12px;letter-spacing:.05em;color:var(--c-gray);
}
.footer-brand__icp{color:var(--c-paper)}
.footer-col__title{
  font-family:var(--font-mono);font-size:12px;font-weight:600;
  letter-spacing:.2em;text-transform:uppercase;color:var(--c-mint);
  margin-bottom:16px;
}
.footer-list{display:flex;flex-direction:column;gap:2px}
.footer-list li{font-size:14px;line-height:1.9;color:var(--c-gray)}
.footer-list a{
  display:inline-block;padding:2px 0;color:var(--c-paper);
  transition:color .18s ease,transform .18s ease;
}
.footer-list a:hover{color:var(--c-mint);transform:translateX(3px)}
.footer-list--contact li{
  display:flex;flex-direction:column;gap:2px;
  padding:6px 0;border-bottom:1px solid var(--c-line-soft);
}
.footer-list--contact li:last-child{border-bottom:0}
.footer-list__key{
  font-family:var(--font-mono);font-size:11px;letter-spacing:.16em;color:var(--c-gray);
}
.footer-list__val{
  font-family:var(--font-mono);font-size:13px;line-height:1.6;color:var(--c-paper);
  word-break:break-word;
}
.footer-base{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  padding:18px 0 30px;border-top:1px solid var(--c-line);
  font-family:var(--font-mono);font-size:12px;letter-spacing:.04em;color:var(--c-gray);
}
.footer-base__note{color:var(--c-gray)}

/* ---------- 9. 栅格 ---------- */
.grid{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:var(--gutter)}
.col-3{grid-column:span 3}
.col-4{grid-column:span 4}
.col-6{grid-column:span 6}
.col-8{grid-column:span 8}
.col-12{grid-column:span 12}

/* ---------- 10. 卡片 ---------- */
.card{
  position:relative;display:flex;flex-direction:column;gap:14px;
  padding:clamp(18px,2vw,28px);
  background:var(--c-panel);
  border:1px solid var(--c-line);
  border-radius:var(--radius);
  transition:border-color .2s ease,background-color .2s ease;
}
.card:hover{border-color:#454E5A}
.card--focus{border-color:rgba(255,106,26,.52)}
.card--focus::after{
  content:"";position:absolute;left:-1px;top:-1px;width:46px;height:3px;background:var(--c-orange);
}
.card--mint{background:var(--c-mint-bg);border-color:rgba(20,224,177,.3)}
.card__head{display:flex;align-items:center;justify-content:space-between;gap:12px}
.card__title{font-family:var(--font-serif);font-weight:700;font-size:19px;line-height:1.4;color:var(--c-paper)}
.card__meta{font-family:var(--font-mono);font-size:12px;letter-spacing:.06em;color:var(--c-gray)}
.card__body{font-size:14.5px;line-height:1.78;color:var(--c-gray)}

/* ---------- 11. 数字 / 标签 / 胶囊 ---------- */
.data-num{
  display:inline-block;
  font-family:var(--font-mono);font-variant-numeric:tabular-nums;
  font-weight:700;line-height:.95;letter-spacing:-.02em;
  color:var(--c-paper);
}
.data-num--xl{font-size:clamp(52px,8vw,92px)}
.data-num--lg{font-size:clamp(36px,4.6vw,56px)}
.data-num--md{font-size:clamp(24px,2.6vw,32px)}
.data-num--orange{color:var(--c-orange)}
.data-num--mint{color:var(--c-mint)}

.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:3px 10px;border:1px solid var(--c-line);border-radius:var(--radius);
  font-family:var(--font-mono);font-size:11px;letter-spacing:.1em;
  color:var(--c-gray);background:rgba(255,255,255,.02);
}
.tag--orange{border-color:rgba(255,106,26,.58);color:var(--c-orange)}
.tag--mint{border-color:rgba(20,224,177,.5);color:var(--c-mint);background:rgba(20,224,177,.08)}

.chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:7px 15px;border:1px solid var(--c-line);border-radius:999px;
  font-size:13px;color:var(--c-gray);background:transparent;
  transition:background-color .18s ease,color .18s ease,border-color .18s ease,transform .12s ease;
}
.chip:hover{border-color:var(--c-orange-lift);color:var(--c-paper)}
.chip[aria-pressed="true"]{background:var(--c-orange);border-color:var(--c-orange);color:var(--c-ink);font-weight:600}
.chip:active{transform:scale(.97)}

/* ---------- 12. 雷达图形 ---------- */
.radar{
  position:relative;aspect-ratio:1/1;border-radius:50%;
  border:1px solid var(--c-line);
  display:grid;place-items:center;
  background:radial-gradient(circle at 50% 50%,rgba(20,224,177,.09),rgba(11,12,14,0) 68%);
}
.radar__ring{position:absolute;border-radius:50%;border:1px solid var(--c-line-soft);pointer-events:none}
.radar__ring--1{inset:10%}
.radar__ring--2{inset:26%}
.radar__ring--3{inset:42%}
.radar__sweep{
  position:absolute;inset:0;border-radius:50%;pointer-events:none;
  background:conic-gradient(from 0deg,rgba(20,224,177,.3),rgba(20,224,177,0) 34%);
  animation:radar-spin 6s linear infinite;
}
.radar__dot{
  position:absolute;width:8px;height:8px;border-radius:50%;
  background:var(--c-mint);box-shadow:0 0 12px rgba(20,224,177,.9);
}

/* ---------- 13. 图片容器（页面阶段放占位） ---------- */
.media-frame{
  position:relative;overflow:hidden;border-radius:var(--radius);
  border:1px solid var(--c-line);
  background:linear-gradient(135deg,#16191E 0%,#101317 100%);
}
.media-frame>img,
.media-frame>picture>img,
.media-frame>video,
.media-frame>svg{width:100%;height:100%;object-fit:cover}
.media-frame::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(180deg,rgba(11,12,14,0) 46%,rgba(11,12,14,.74) 100%);
}
.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--slant{clip-path:polygon(0 0,100% 0,100% 88%,0 100%)}
.media-frame--radar::before{
  content:"";position:absolute;inset:0;z-index:1;pointer-events:none;
  background:repeating-radial-gradient(circle at 50% 50%,rgba(20,224,177,.16) 0 1px,rgba(20,224,177,0) 1px 28px);
}
.media-frame__cap{
  position:absolute;left:0;bottom:0;z-index:2;
  padding:12px 16px;font-family:var(--font-mono);font-size:12px;
  letter-spacing:.06em;color:var(--c-paper);
}

/* ---------- 14. 面包屑 / 章节索引 ---------- */
.breadcrumb{
  padding:18px 0;
  font-family:var(--font-mono);font-size:12px;letter-spacing:.06em;color:var(--c-gray);
}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.breadcrumb li{display:flex;align-items:center;gap:8px}
.breadcrumb li+li::before{content:"/";color:var(--c-line)}
.breadcrumb a{transition:color .18s ease}
.breadcrumb a:hover{color:var(--c-mint)}
.breadcrumb [aria-current="page"]{color:var(--c-paper)}

.section-index{display:flex;flex-direction:column;border-left:1px solid var(--c-line)}
.section-index__link{
  display:block;margin-left:-1px;
  padding:9px 0 9px 16px;
  border-left:2px solid transparent;
  font-size:13.5px;color:var(--c-gray);
  transition:color .2s ease,border-color .2s ease,padding-left .2s ease;
}
.section-index__link:hover{color:var(--c-paper);padding-left:19px}
.section-index__link[aria-current="true"]{color:var(--c-orange);border-left-color:var(--c-orange)}

/* ---------- 15. 长文排版 ---------- */
.prose{font-size:16px;line-height:1.85;color:var(--c-body);max-width:72ch}
.prose>*+*{margin-top:1.1em}
.prose h2{
  font-family:var(--font-serif);font-weight:700;
  font-size:clamp(22px,2.4vw,30px);line-height:1.38;color:var(--c-paper);
  margin-top:2.1em;
}
.prose h3{font-family:var(--font-serif);font-weight:700;font-size:19px;color:var(--c-paper);margin-top:1.6em}
.prose a{color:var(--c-mint);text-decoration:underline;text-underline-offset:3px}
.prose strong{color:var(--c-paper)}
.prose ul{padding-left:0}
.prose ul li{position:relative;padding-left:1.1em}
.prose ul li::before{
  content:"";position:absolute;left:0;top:.72em;
  width:6px;height:6px;background:var(--c-orange);transform:rotate(45deg);
}
.prose ol{list-style:decimal;padding-left:1.4em}
.prose ol li::marker{color:var(--c-orange);font-family:var(--font-mono)}
.prose blockquote{
  border-left:3px solid var(--c-orange);
  padding:6px 0 6px 18px;
  font-family:var(--font-serif);font-size:18px;line-height:1.7;color:var(--c-paper);
}
.prose code{
  font-family:var(--font-mono);font-size:.9em;
  padding:2px 6px;background:rgba(20,224,177,.09);color:var(--c-mint);
}
.prose table{width:100%;font-size:14px;border:1px solid var(--c-line);margin-top:1.6em}
.prose th,.prose td{padding:10px 14px;border-bottom:1px solid var(--c-line);text-align:left;vertical-align:top}
.prose th{
  font-family:var(--font-mono);font-size:12px;letter-spacing:.1em;font-weight:600;
  color:var(--c-mint);background:var(--c-mint-bg);
}
.prose tbody tr:last-child td{border-bottom:0}
.prose dfn,.prose em{color:var(--c-mint);font-style:normal}

/* ---------- 16. 折叠内容组 ---------- */
.disclosure{
  border:1px solid var(--c-line);border-radius:var(--radius);
  background:var(--c-panel);
  transition:border-color .18s ease;
}
.disclosure+.disclosure{margin-top:-1px}
.disclosure[open]{border-color:rgba(20,224,177,.46)}
.disclosure summary{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:16px 18px;
  font-size:15px;font-weight:600;color:var(--c-paper);
  cursor:pointer;list-style:none;
}
.disclosure summary::-webkit-details-marker{display:none}
.disclosure summary::after{
  content:"+";flex:none;
  font-family:var(--font-mono);font-size:18px;line-height:1;
  color:var(--c-orange);transition:color .18s ease;
}
.disclosure[open] summary::after{content:"–";color:var(--c-mint)}
.disclosure__panel{padding:0 18px 20px;font-size:14.5px;line-height:1.8;color:var(--c-gray)}

/* ---------- 17. 显现动画 ---------- */
.js-on [data-reveal]{
  opacity:0;transform:translateY(18px);
  transition:opacity .5s ease,transform .5s ease;
}
.js-on [data-reveal].is-visible{opacity:1;transform:none}

/* ---------- 18. 断点 ---------- */
@media(min-width:600px){
  :root{--gutter:24px}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media(min-width:1024px){
  .nav{display:block}
  .nav-toggle{display:none}
  .nav-toggle__label{display:inline}
  .footer-grid{grid-template-columns:1.6fr 1fr 1fr 1.6fr}
  .footer-col,
  .footer-col--contact{border-left:1px solid var(--c-line);padding-left:clamp(16px,2vw,28px)}
  .footer-col__title{margin-top:2px}
}
@media(max-width:1023px){
  :root{--hdr-main-h:60px}
  .nav{
    display:block;
    position:fixed;top:0;right:0;bottom:0;z-index:70;
    width:min(86vw,340px);
    padding:calc(var(--hdr-top-h) + var(--hdr-main-h) + 20px) 0 32px;
    background:linear-gradient(180deg,#0E2F2C 0%,#0B0C0E 44%);
    border-left:1px solid var(--c-line);
    overflow-y:auto;
    visibility:hidden;
    transform:translateX(102%);
    transition:transform .3s cubic-bezier(.4,0,.2,1),visibility .3s;
  }
  .nav[data-open]{visibility:visible;transform:translateX(0)}
  .nav__list{flex-direction:column;align-items:stretch;gap:0;padding:0 24px}
  .nav__item{border-bottom:1px solid var(--c-line)}
  .nav__link{display:block;padding:17px 2px;font-size:17px}
  .nav__link::after{left:2px;right:auto;width:26px;bottom:12px}
  .nav-toggle__label{display:inline}
  .footer-list--contact li{max-width:46ch}
}
@media(max-width:640px){
  .header-top__meta{gap:9px;font-size:11px}
  .header-top__update,
  .header-top__sep{display:none}
  .header-main__inner{gap:12px}
  .header-actions{gap:8px}
  .header-actions .btn--sm{padding:8px 12px;font-size:12px}
  .footer-base{flex-direction:column;align-items:flex-start}
}
@media(max-width:560px){
  .brand__tag{display:none}
}
@media(max-width:480px){
  .status-dot__label{display:none}
}

/* ---------- 19. Reduced motion ---------- */
@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;
  }
  .brand__ring,.radar__sweep{animation:none!important}
  .status-dot__light{animation:none!important;box-shadow:0 0 0 3px rgba(20,224,177,.22)}
  .js-on [data-reveal]{opacity:1;transform:none}
}