/* ============================================================
   玩球体育 · 共享站点样式 /assets/site.css
   基调：夜赛深墨蓝 × 球场草皮绿 × 荧光黄绿数据高亮
   ============================================================ */

:root{
  --ink:#07151C;
  --ink-2:#0D2B22;
  --pitch:#1F6B4A;
  --line:#63C77D;
  --signal:#D8FF3E;
  --alert:#FF5A36;
  --paper:#F2F5EA;
  --muted:#8FA39B;
  --sheet:#E9EEE2;
  --depth:#102A38;

  --font-display:"Barlow Condensed","Noto Sans SC","Source Han Sans SC",sans-serif;
  --font-body:"Noto Sans SC","Source Han Sans SC","Microsoft YaHei",sans-serif;
  --font-num:"Roboto Mono","IBM Plex Mono","SFMono-Regular",monospace;

  --gutter:clamp(16px,4vw,56px);
  --maxw:1480px;
  --hair:rgba(99,199,125,.26);
  --hair-soft:rgba(99,199,125,.09);
  --head-h:66px;
}

*,*::before,*::after{box-sizing:border-box}

html{
  -webkit-text-size-adjust:100%;
  scroll-behavior:smooth;
}

body{
  margin:0;
  min-height:100vh;
  background-color:var(--ink);
  background-image:
    linear-gradient(to right,var(--hair-soft) 1px,transparent 1px),
    linear-gradient(to bottom,var(--hair-soft) 1px,transparent 1px);
  background-size:72px 72px;
  background-position:-1px -1px;
  color:var(--paper);
  font-family:var(--font-body);
  font-size:16px;
  font-weight:400;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}

img,svg,video{display:block;max-width:100%;height:auto}

a{color:var(--line);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--signal)}

button{font:inherit;color:inherit}

h1,h2,h3,h4,h5,h6{
  font-family:var(--font-display);
  font-weight:700;
  line-height:1.12;
  letter-spacing:.01em;
  margin:0;
}

p{margin:0 0 1em}
p:last-child{margin-bottom:0}

ul,ol{list-style:none;margin:0;padding:0}

dl,dd,dt{margin:0}

strong,b{font-weight:700}

:focus-visible{
  outline:2px solid var(--signal);
  outline-offset:3px;
  border-radius:1px;
}

/* ---------- 布局壳 ---------- */
.wrap{
  width:100%;
  max-width:var(--maxw);
  margin-inline:auto;
  padding-inline:var(--gutter);
}

.section{padding-block:clamp(40px,7vw,88px)}
.section--tight{padding-block:clamp(24px,4vw,48px)}

.rule{border:0;height:1px;background:var(--hair);margin:0}

.grid-12{
  display:grid;
  grid-template-columns:repeat(12,minmax(0,1fr));
  gap:clamp(12px,2vw,24px);
}

/* ---------- 跳转链接 ---------- */
.skip-link{
  position:fixed;
  left:16px;
  top:-80px;
  z-index:400;
  display:inline-block;
  padding:11px 18px;
  background:var(--signal);
  color:var(--ink);
  font-size:13px;
  font-weight:700;
  letter-spacing:.1em;
  border:1px solid var(--ink);
  transition:top .18s ease;
}
.skip-link:focus,
.skip-link:focus-visible{
  top:12px;
  color:var(--ink);
  outline:2px solid var(--paper);
  outline-offset:2px;
}

/* ---------- 命令栏头部 ---------- */
.site-head{
  position:sticky;
  top:0;
  z-index:90;
  background:rgba(7,21,28,.95);
  -webkit-backdrop-filter:blur(8px);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--hair);
}

.site-head::after{
  content:"";
  display:block;
  height:3px;
  background:repeating-linear-gradient(to right,rgba(99,199,125,.5) 0 1px,transparent 1px 14px);
  pointer-events:none;
}

.head-grid{
  display:flex;
  align-items:center;
  gap:clamp(12px,2vw,30px);
  min-height:var(--head-h);
  padding-block:9px;
}

/* 品牌锁组 */
.brand-lockup{
  display:flex;
  align-items:center;
  gap:11px;
  flex:0 0 auto;
  color:var(--paper);
  text-decoration:none;
}
.brand-lockup:hover{color:var(--paper)}

.brand-glyph{
  position:relative;
  display:block;
  flex:0 0 auto;
  width:36px;
  height:36px;
  border:1px solid var(--line);
  background:
    linear-gradient(135deg,var(--pitch) 0%,var(--ink-2) 62%,var(--depth) 100%);
}
.brand-glyph::before{
  content:"";
  position:absolute;
  left:0;top:0;
  width:12px;height:1px;
  background:var(--signal);
}
.brand-glyph__pivot{
  position:absolute;
  left:50%;top:50%;
  width:9px;height:9px;
  transform:translate(-50%,-50%) rotate(45deg);
  border:1px solid var(--signal);
}

.brand-text{display:block;min-width:0}
.brand-text__name{
  display:block;
  font-family:var(--font-display);
  font-size:20px;
  font-weight:700;
  line-height:1.05;
  letter-spacing:.09em;
  color:var(--paper);
}
.brand-text__desc{
  display:block;
  margin-top:3px;
  font-size:10px;
  line-height:1.3;
  letter-spacing:.18em;
  color:var(--muted);
  white-space:nowrap;
}

/* 导航轴 */
.nav-rail{margin-inline:auto;min-width:0}
.nav-rail__list{
  display:flex;
  align-items:center;
  gap:clamp(6px,1.5vw,20px);
}
.nav-rail__item{position:relative}

.nav-rail__link{
  position:relative;
  display:inline-flex;
  align-items:baseline;
  gap:6px;
  padding:9px 2px;
  color:rgba(242,245,234,.86);
  font-size:12.5px;
  letter-spacing:.14em;
  white-space:nowrap;
  transition:color .18s ease;
}
.nav-rail__num{
  font-family:var(--font-num);
  font-size:10px;
  letter-spacing:.04em;
  color:var(--muted);
  transition:color .18s ease;
}
.nav-rail__text{position:relative;display:inline-block}

.nav-rail__link::after{
  content:"";
  position:absolute;
  left:0;
  right:100%;
  bottom:2px;
  height:2px;
  background:var(--signal);
  transition:right .2s ease;
}

.nav-rail__link:hover,
.nav-rail__link:focus-visible{color:var(--paper)}
.nav-rail__link:hover::after,
.nav-rail__link:focus-visible::after{right:0}

.nav-rail__link[aria-current="page"]{color:var(--signal)}
.nav-rail__link[aria-current="page"] .nav-rail__num{color:var(--signal)}
.nav-rail__link[aria-current="page"]::after{right:0}

/* 右侧工具区 */
.head-utils{
  display:flex;
  align-items:center;
  gap:14px;
  flex:0 0 auto;
}
.head-utils__hint{
  font-size:10px;
  letter-spacing:.16em;
  color:var(--muted);
  white-space:nowrap;
}

/* 移动菜单按钮 */
.nav-toggle{
  display:none;
  align-items:center;
  gap:9px;
  padding:9px 13px;
  background:transparent;
  border:1px solid rgba(99,199,125,.5);
  color:var(--line);
  font-size:11px;
  letter-spacing:.18em;
  cursor:pointer;
  transition:border-color .18s ease,color .18s ease;
}
.nav-toggle:hover,
.nav-toggle:focus-visible{border-color:var(--signal);color:var(--signal)}
.nav-toggle__bars{
  display:inline-flex;
  flex-direction:column;
  justify-content:center;
  gap:5px;
  width:16px;
  height:12px;
}
.nav-toggle__bars i{
  display:block;
  height:1.5px;
  width:100%;
  background:currentColor;
  transition:transform .2s ease;
}
.nav-toggle__label{line-height:1}
.site-head[data-open="true"] .nav-toggle__bars i:first-child{transform:translateY(3.25px) rotate(45deg)}
.site-head[data-open="true"] .nav-toggle__bars i:last-child{transform:translateY(-3.25px) rotate(-45deg)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:11px 20px;
  border:1px solid transparent;
  background:transparent;
  color:var(--paper);
  font-family:var(--font-body);
  font-size:12px;
  font-weight:700;
  letter-spacing:.14em;
  line-height:1.2;
  text-decoration:none;
  cursor:pointer;
  transition:background-color .18s ease,border-color .18s ease,color .18s ease;
}
.btn--signal{
  background:var(--signal);
  border-color:var(--signal);
  color:var(--ink);
}
.btn--signal:hover,
.btn--signal:focus-visible{
  background:transparent;
  color:var(--signal);
}
.btn--ghost{
  border-color:rgba(99,199,125,.5);
  color:var(--line);
}
.btn--ghost:hover,
.btn--ghost:focus-visible{
  border-color:var(--line);
  background:rgba(99,199,125,.12);
  color:var(--paper);
}
.btn--alert{
  border-color:rgba(255,90,54,.6);
  color:var(--alert);
}
.btn--alert:hover,
.btn--alert:focus-visible{
  background:var(--alert);
  border-color:var(--alert);
  color:var(--ink);
}
.btn--sm{padding:8px 14px;font-size:11px;letter-spacing:.12em}

/* ---------- 页脚 ---------- */
.site-foot{
  position:relative;
  margin-top:clamp(40px,6vw,80px);
  background:
    radial-gradient(120% 90% at 12% 0%,rgba(31,107,74,.42) 0%,transparent 62%),
    linear-gradient(180deg,var(--ink-2) 0%,var(--ink) 100%);
  border-top:1px solid var(--hair);
  color:var(--paper);
}
.site-foot::before{
  content:"";
  position:absolute;
  left:0;right:0;top:0;
  height:3px;
  background:repeating-linear-gradient(to right,rgba(99,199,125,.55) 0 1px,transparent 1px 14px);
  pointer-events:none;
}

.foot-motto{
  display:flex;
  flex-wrap:wrap;
  align-items:flex-end;
  justify-content:space-between;
  gap:14px 32px;
  padding-block:clamp(34px,5.4vw,64px) clamp(20px,3vw,32px);
  border-bottom:1px solid var(--hair);
}
.foot-motto__line{
  margin:0;
  font-family:var(--font-display);
  font-size:clamp(30px,5.6vw,66px);
  font-weight:700;
  line-height:.98;
  letter-spacing:.02em;
  color:var(--paper);
}
.foot-motto__line em{font-style:normal;color:var(--signal)}
.foot-motto__meta{
  margin:0;
  font-family:var(--font-num);
  font-size:11px;
  letter-spacing:.2em;
  color:var(--muted);
  text-transform:uppercase;
}

.foot-grid{
  display:grid;
  grid-template-columns:minmax(0,1.5fr) repeat(2,minmax(0,1fr));
  gap:clamp(24px,4vw,60px);
  padding-block:clamp(30px,4.4vw,54px);
}

.foot-brand__name{
  margin:0 0 8px;
  font-family:var(--font-display);
  font-size:26px;
  font-weight:700;
  letter-spacing:.1em;
  color:var(--paper);
}
.foot-brand__note{
  margin:0 0 18px;
  max-width:38ch;
  font-size:13px;
  line-height:1.75;
  color:var(--muted);
}
.foot-brand__note--quiet{
  margin:16px 0 0;
  padding-top:14px;
  border-top:1px dashed rgba(99,199,125,.22);
  font-size:12px;
  color:rgba(143,163,155,.9);
}

.foot-contact{display:grid;gap:0}
.foot-contact__row{
  display:grid;
  grid-template-columns:78px minmax(0,1fr);
  gap:12px;
  padding:10px 0;
  border-bottom:1px solid rgba(99,199,125,.14);
}
.foot-contact__term{
  font-family:var(--font-num);
  font-size:10px;
  letter-spacing:.16em;
  color:var(--line);
  text-transform:uppercase;
  padding-top:3px;
}
.foot-contact__val{
  font-family:var(--font-num);
  font-size:12.5px;
  line-height:1.6;
  letter-spacing:.01em;
  color:var(--paper);
  word-break:break-word;
}

.foot-col{min-width:0}
.foot-col__title{
  display:flex;
  align-items:center;
  gap:10px;
  margin:0 0 14px;
  font-family:var(--font-num);
  font-size:10px;
  font-weight:500;
  letter-spacing:.22em;
  text-transform:uppercase;
  color:var(--line);
}
.foot-col__title::after{
  content:"";
  flex:1 1 auto;
  height:1px;
  background:rgba(99,199,125,.28);
}

.foot-list{display:grid;gap:0}
.foot-list li{border-bottom:1px solid rgba(99,199,125,.1)}
.foot-list a{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding:10px 0;
  color:rgba(242,245,234,.9);
  font-size:14px;
  letter-spacing:.04em;
  transition:color .18s ease,padding-left .18s ease;
}
.foot-list a::after{
  content:"↗";
  font-size:11px;
  color:rgba(143,163,155,.75);
  transition:transform .2s ease,color .2s ease;
}
.foot-list a:hover,
.foot-list a:focus-visible{color:var(--signal);padding-left:6px}
.foot-list a:hover::after,
.foot-list a:focus-visible::after{color:var(--signal);transform:translate(2px,-2px)}

.foot-bottom{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:12px 28px;
  padding-block:18px 22px;
  border-top:1px solid var(--hair);
  font-size:12px;
  color:var(--muted);
}
.foot-legal{margin:0;font-size:12px;letter-spacing:.04em;color:var(--muted)}
.foot-legal__id{font-family:var(--font-num);letter-spacing:.02em;color:rgba(242,245,234,.7)}
.foot-legal__links{
  display:flex;
  flex-wrap:wrap;
  gap:8px 20px;
}
.foot-legal__links a{
  font-size:12px;
  letter-spacing:.1em;
  color:var(--muted);
}
.foot-legal__links a:hover{color:var(--signal)}

/* ---------- 面包屑 ---------- */
.crumbs{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  padding-block:18px 0;
  font-family:var(--font-num);
  font-size:11px;
  letter-spacing:.14em;
  color:var(--muted);
}
.crumbs li{display:flex;align-items:center;gap:8px}
.crumbs li + li::before{content:"/";color:rgba(143,163,155,.45)}
.crumbs a{color:var(--muted)}
.crumbs a:hover{color:var(--signal)}
.crumbs [aria-current="page"]{color:var(--paper)}

/* ---------- 正文 ---------- */
.prose{
  max-width:70ch;
  font-size:clamp(15px,.9vw + 12px,17px);
  line-height:1.8;
  color:rgba(242,245,234,.86);
}
.prose > * + *{margin-top:1em}
.prose h2{
  margin-top:1.9em;
  font-size:clamp(24px,2.6vw,34px);
  color:var(--paper);
}
.prose h3{
  margin-top:1.6em;
  font-size:clamp(19px,1.8vw,23px);
  color:var(--paper);
}
.prose ul,.prose ol{padding-left:1.3em;list-style:disc}
.prose ol{list-style:decimal}
.prose li{margin-bottom:.5em}
.prose strong{color:var(--paper)}
.prose a{color:var(--signal);text-decoration:underline;text-underline-offset:3px}
.prose blockquote{
  margin:1.4em 0;
  padding:6px 0 6px 18px;
  border-left:2px solid var(--line);
  color:var(--paper);
}

/* ---------- 微组件 ---------- */
.panel{
  border:1px solid var(--hair);
  background:linear-gradient(180deg,rgba(13,43,34,.86) 0%,rgba(7,21,28,.92) 100%);
  padding:clamp(16px,2.4vw,28px);
}

.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:9px;
  font-family:var(--font-num);
  font-size:10px;
  letter-spacing:.24em;
  text-transform:uppercase;
  color:var(--signal);
}
.eyebrow::before{
  content:"";
  width:18px;
  height:1px;
  background:var(--signal);
}

.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:3px 9px;
  border:1px solid rgba(99,199,125,.42);
  font-family:var(--font-num);
  font-size:10px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--line);
  background:rgba(31,107,74,.16);
}
.tag--signal{
  border-color:rgba(216,255,62,.6);
  color:var(--signal);
  background:rgba(216,255,62,.1);
}
.tag--alert{
  border-color:rgba(255,90,54,.6);
  color:var(--alert);
  background:rgba(255,90,54,.1);
}

/* ---------- 图片容器基座 ---------- */
.img-frame{
  position:relative;
  display:block;
  overflow:hidden;
  border:1px solid var(--hair);
  background:linear-gradient(155deg,var(--ink-2) 0%,var(--depth) 100%);
}
.img-frame img{
  display:block;
  width:100%;
  height:100%;
  object-fit:cover;
}
.img-frame::before{
  content:"";
  position:absolute;
  inset:0;
  pointer-events:none;
  background:
    linear-gradient(var(--signal),var(--signal)) left top/14px 1px no-repeat,
    linear-gradient(var(--signal),var(--signal)) left top/1px 14px no-repeat,
    linear-gradient(var(--signal),var(--signal)) right bottom/14px 1px no-repeat,
    linear-gradient(var(--signal),var(--signal)) right bottom/1px 14px no-repeat;
  opacity:.72;
}
.img-frame--wide{aspect-ratio:16/7}
.img-frame--photo{aspect-ratio:4/3}
.img-frame--tall{aspect-ratio:3/4}
.img-caption{
  margin:10px 0 0;
  font-family:var(--font-num);
  font-size:11px;
  line-height:1.6;
  letter-spacing:.06em;
  color:var(--muted);
}

/* ---------- 顶部阅读进度尺（由 JS 注入） ---------- */
.scroll-progress{
  position:fixed;
  top:0;
  left:0;
  width:100%;
  height:2px;
  z-index:220;
  background:rgba(99,199,125,.14);
  pointer-events:none;
}
.scroll-progress__bar{
  display:block;
  height:100%;
  width:0;
  background:linear-gradient(90deg,var(--line) 0%,var(--signal) 100%);
  transition:width .12s linear;
}

/* ---------- 响应式 ---------- */
@media (max-width:1180px){
  .head-utils__hint{display:none}
}

@media (max-width:1020px){
  .head-grid{
    flex-wrap:wrap;
    align-items:center;
    row-gap:0;
    padding-block:11px;
    max-height:calc(100vh - 2px);
    overflow-y:auto;
  }
  .brand-lockup{order:1}
  .nav-toggle{order:2;display:inline-flex;margin-left:auto}

  .nav-rail{
    order:3;
    flex:1 0 100%;
    display:none;
    margin:0;
    margin-top:10px;
  }
  .head-utils{
    order:4;
    flex:1 0 100%;
    display:none;
    padding-bottom:14px;
  }
  .site-head[data-open="true"] .nav-rail{display:block}
  .site-head[data-open="true"] .head-utils{
    display:flex;
    flex-wrap:wrap;
    gap:12px;
    padding-top:12px;
  }

  .nav-rail__list{
    flex-direction:column;
    align-items:stretch;
    gap:0;
    border-top:1px solid var(--hair);
  }
  .nav-rail__item{border-bottom:1px solid var(--hair-soft)}
  .nav-rail__link{
    display:flex;
    align-items:baseline;
    gap:14px;
    padding:14px 0;
    font-size:15px;
    letter-spacing:.1em;
  }
  .nav-rail__num{font-size:11px;min-width:22px}
  .nav-rail__link::after{display:none}
  .nav-rail__link[aria-current="page"]{
    color:var(--signal);
    box-shadow:inset 3px 0 0 var(--signal);
    padding-left:14px;
  }
  .nav-rail__link[aria-current="page"]::after{display:none}

  .foot-grid{
    grid-template-columns:minmax(0,1fr) minmax(0,1fr);
    gap:clamp(20px,3vw,40px);
  }
  .foot-brand{grid-column:1 / -1}
}

@media (max-width:720px){
  .brand-text__desc{font-size:9px;letter-spacing:.14em}
  .foot-motto{flex-direction:column;align-items:flex-start}
  .foot-motto__meta{letter-spacing:.14em}
}

@media (max-width:640px){
  .foot-grid{grid-template-columns:minmax(0,1fr)}
  .foot-contact__row{grid-template-columns:minmax(0,1fr);gap:2px;padding:9px 0}
  .foot-contact__term{padding-top:0}
  .foot-bottom{flex-direction:column;align-items:flex-start;gap:10px}
  .grid-12{grid-template-columns:repeat(6,minmax(0,1fr))}
}

@media (max-width:420px){
  .brand-glyph{width:32px;height:32px}
  .brand-text__name{font-size:18px}
}

/* ---------- 动效偏好 ---------- */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
  }
  .nav-rail__link::after{transition:none}
  .scroll-progress__bar{transition:none}
}