/* ==========================================================================
   博亚体育 · 共享样式表 /assets/site.css
   赛季年鉴档案视觉系统：深墨绿分区 + 暖纸白阅读区 + 荧光青 / 琥珀金数据高亮
   1 Reset  2 Tokens  3 基础排版  4 布局容器  5 页头  6 页脚
   7 通用组件  8 图片容器  9 动效  10 响应式与偏好
   ========================================================================== */

/* 1 Reset ---------------------------------------------------------------- */
*,*::before,*::after{box-sizing:border-box}
html{
  -webkit-text-size-adjust:100%;
  scroll-behavior:smooth;
  scroll-padding-top:136px;
}
body,h1,h2,h3,h4,h5,h6,p,figure,blockquote,dl,dd,ol,ul,address{margin:0}
ol,ul{padding:0;list-style:none}
address{font-style:normal}
img,svg,video{display:block;max-width:100%}
button,input,select,textarea{font:inherit;color:inherit}
button{background:none;border:0;padding:0;cursor:pointer}
a{color:inherit;text-decoration:none}
table{border-collapse:collapse;width:100%}
[hidden]{display:none !important}

/* 2 Tokens --------------------------------------------------------------- */
:root{
  --ink-950:#0A1310;
  --ink-800:#13251E;
  --moss-600:#2C5A46;
  --paper-050:#F5F0E6;
  --paper-200:#E3DAC6;
  --cyan-400:#3BE3D2;
  --amber-500:#E7A13C;
  --clay-500:#C4705A;
  --slate-500:#6E7C75;
  --white:#FFFFFF;

  --font-display:"Noto Serif SC","Source Han Serif SC","Songti SC","SimSun",serif;
  --font-sans:"Noto Sans SC","Source Han Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  --font-narrow:"Noto Sans SC Condensed","Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --font-mono:"IBM Plex Mono","JetBrains Mono","SFMono-Regular",Consolas,"Liberation Mono","Courier New",monospace;

  --gutter:clamp(18px,5vw,64px);
  --wrap:1280px;
  --radius-organic:22px 8px 26px 10px;
  --radius-soft:14px;
  --line:rgba(110,124,117,.34);
  --line-dark:rgba(245,240,230,.14);
  --ease-out:cubic-bezier(.22,.61,.36,1);
  --t-fast:120ms;
  --t-mid:200ms;
  --shadow-lift:0 20px 46px -30px rgba(10,19,16,.75);
}

/* 3 基础排版 ------------------------------------------------------------- */
body{
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.75;
  color:var(--ink-800);
  background:var(--paper-050);
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
::selection{background:var(--cyan-400);color:var(--ink-950)}

h1,h2,h3,h4{font-family:var(--font-display);font-weight:600;line-height:1.18;color:var(--ink-950)}

.t-display{
  font-family:var(--font-display);
  font-weight:600;
  font-size:clamp(40px,6.2vw,72px);
  line-height:1.12;
  letter-spacing:.005em;
  color:var(--ink-950);
}
.t-head{
  font-family:var(--font-narrow);
  font-weight:600;
  font-size:clamp(22px,2.4vw,32px);
  line-height:1.3;
  letter-spacing:.02em;
  color:var(--ink-950);
}
.t-eyebrow{
  font-family:var(--font-narrow);
  font-size:13px;
  letter-spacing:.22em;
  color:var(--slate-500);
}
.t-mono{font-family:var(--font-mono);letter-spacing:0;font-variant-numeric:tabular-nums}
.num{font-family:var(--font-mono);letter-spacing:0;font-variant-numeric:tabular-nums}
.t-annot{
  font-size:12.5px;
  font-style:italic;
  line-height:1.65;
  color:var(--slate-500);
}
.lede{
  font-size:clamp(17px,1.6vw,20px);
  line-height:1.7;
  color:var(--moss-600);
  max-width:56ch;
}

.prose{max-width:66ch;font-size:16.5px;line-height:1.78;color:var(--ink-800)}
.prose > * + *{margin-top:1.05em}
.prose h2{font-size:clamp(22px,2.4vw,30px);margin-top:1.9em}
.prose h3{font-family:var(--font-narrow);font-size:20px;letter-spacing:.02em;margin-top:1.6em}
.prose a{
  color:var(--moss-600);
  text-decoration:underline;
  text-decoration-color:rgba(59,227,210,.6);
  text-underline-offset:4px;
}
.prose a:hover{color:var(--ink-950);text-decoration-color:var(--amber-500)}
.prose ul li{position:relative;padding-left:22px}
.prose ul li + li{margin-top:.5em}
.prose ul li::before{
  content:"";
  position:absolute;
  left:0;top:.72em;
  width:8px;height:8px;
  background:var(--cyan-400);
  border-radius:1px;
  transform:rotate(45deg);
}
.prose blockquote{
  border-left:3px solid var(--amber-500);
  padding-left:20px;
  font-family:var(--font-display);
  font-size:18px;
  color:var(--moss-600);
}

/* 4 布局容器 ------------------------------------------------------------- */
.wrap{width:min(100% - var(--gutter) * 2,var(--wrap));margin-inline:auto}
.section{padding-block:clamp(48px,7vw,104px)}
.section--paper{background:var(--paper-050);color:var(--ink-800)}
.section--band{background:var(--paper-200);color:var(--ink-800)}
.section--ink{background:var(--ink-800);color:rgba(245,240,230,.84)}
.section--deep{background:var(--ink-950);color:rgba(245,240,230,.84)}

:where(.section--ink,.section--deep) :where(h1,h2,h3,h4,.t-display,.t-head){color:var(--paper-050)}
:where(.section--ink,.section--deep) .t-eyebrow{color:rgba(245,240,230,.5)}
:where(.section--ink,.section--deep) :where(.lede,.prose){color:rgba(245,240,230,.82)}
:where(.section--ink,.section--deep) .rule{border-color:var(--line-dark)}

.grid{display:grid;gap:clamp(18px,2.4vw,32px)}
.grid--2{grid-template-columns:repeat(auto-fit,minmax(min(100%,300px),1fr))}
.grid--3{grid-template-columns:repeat(auto-fit,minmax(min(100%,250px),1fr))}
.grid--split{grid-template-columns:minmax(0,7fr) minmax(0,5fr)}

/* 5 页头 ---------------------------------------------------------------- */
.site-head{
  position:sticky;
  top:0;
  z-index:60;
  background:var(--ink-950);
  color:var(--paper-050);
  border-bottom:1px solid rgba(59,227,210,.16);
}
.site-head__strip{
  border-bottom:1px solid rgba(245,240,230,.1);
  background:linear-gradient(90deg,rgba(59,227,210,.09),rgba(231,161,60,.06) 68%,rgba(10,19,16,0));
}
.site-head__strip-in{
  width:min(100% - var(--gutter) * 2,var(--wrap));
  margin-inline:auto;
  min-height:46px;
  padding-block:7px;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:8px 20px;
}
.statusline{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-family:var(--font-mono);
  font-size:12.5px;
  letter-spacing:.04em;
  color:rgba(245,240,230,.7);
}
.statusline__dot{
  width:8px;height:8px;
  border-radius:50%;
  background:var(--cyan-400);
  box-shadow:0 0 0 4px rgba(59,227,210,.16);
  animation:statusPulse 2.6s ease-out infinite;
}
@keyframes statusPulse{0%,100%{opacity:1}50%{opacity:.32}}

.season-switch{
  display:inline-flex;
  align-items:center;
  gap:2px;
  padding:3px;
  border:1px solid rgba(59,227,210,.28);
  border-radius:999px;
  background:rgba(19,37,30,.72);
}
.season-switch__btn{
  font-family:var(--font-narrow);
  font-size:12.5px;
  letter-spacing:.08em;
  padding:5px 14px;
  border-radius:999px;
  color:rgba(245,240,230,.62);
  transition:background var(--t-fast) var(--ease-out),color var(--t-fast) var(--ease-out);
}
.season-switch__btn:hover{color:var(--paper-050)}
.season-switch__btn[aria-pressed="true"]{
  background:var(--cyan-400);
  color:var(--ink-950);
  font-weight:600;
}

.site-head__bar{
  width:min(100% - var(--gutter) * 2,var(--wrap));
  margin-inline:auto;
  padding-block:13px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
}

.brandmark{display:flex;align-items:center;gap:14px;min-width:0}
.brandmark__mark{
  flex:none;
  width:36px;height:36px;
  display:grid;
  place-items:center;
  border-radius:12px 4px 12px 4px;
  background:linear-gradient(140deg,var(--amber-500),#c9821f);
  color:var(--ink-950);
  font-family:var(--font-narrow);
  font-size:18px;
  font-weight:700;
  letter-spacing:.04em;
}
.brandmark__type{display:flex;flex-direction:column;line-height:1.25;min-width:0}
.brandmark__name{
  font-family:var(--font-narrow);
  font-size:19px;
  font-weight:700;
  letter-spacing:.14em;
  color:var(--paper-050);
}
.brandmark__meta{
  font-size:11.5px;
  letter-spacing:.1em;
  color:rgba(245,240,230,.52);
  white-space:nowrap;
}

.nav-toggle{
  display:none;
  align-items:center;
  gap:10px;
  padding:9px 15px;
  border:1px solid rgba(59,227,210,.35);
  border-radius:999px;
  font-family:var(--font-narrow);
  font-size:13px;
  letter-spacing:.1em;
  color:var(--paper-050);
}
.nav-toggle__bars{display:inline-flex;flex-direction:column;gap:4px;width:18px}
.nav-toggle__bars span{
  display:block;
  height:1.5px;
  background:var(--cyan-400);
  transition:transform var(--t-mid) var(--ease-out),opacity var(--t-fast) linear;
}
.site-head[data-open="true"] .nav-toggle__bars span:nth-child(1){transform:translateY(5.5px) rotate(45deg)}
.site-head[data-open="true"] .nav-toggle__bars span:nth-child(2){opacity:0}
.site-head[data-open="true"] .nav-toggle__bars span:nth-child(3){transform:translateY(-5.5px) rotate(-45deg)}
.nav-toggle__label{line-height:1}

.site-nav__list{display:flex;align-items:center;gap:clamp(2px,1.2vw,10px)}
.site-nav__link{
  position:relative;
  display:inline-block;
  padding:9px 12px;
  font-family:var(--font-narrow);
  font-size:14.5px;
  letter-spacing:.09em;
  color:rgba(245,240,230,.76);
  border-radius:4px;
  transition:color var(--t-fast) var(--ease-out);
}
.site-nav__link::after{
  content:"";
  position:absolute;
  left:12px;right:12px;bottom:3px;
  height:2px;
  background:var(--cyan-400);
  transform:scaleX(0);
  transform-origin:0 50%;
  transition:transform var(--t-mid) var(--ease-out);
}
.site-nav__link:hover,.site-nav__link:focus-visible{color:var(--paper-050)}
.site-nav__link:hover::after,.site-nav__link:focus-visible::after{transform:scaleX(1)}
.site-nav__link[aria-current="page"]{color:var(--cyan-400);font-weight:600}
.site-nav__link[aria-current="page"]::after{transform:scaleX(1)}

.skip-link{
  position:fixed;
  left:var(--gutter);
  top:-120px;
  z-index:200;
  padding:11px 20px;
  background:var(--cyan-400);
  color:var(--ink-950);
  font-family:var(--font-narrow);
  font-size:14px;
  letter-spacing:.08em;
  border-radius:0 0 8px 8px;
  transition:top var(--t-fast) var(--ease-out);
}
.skip-link:focus{top:0}

:focus-visible{outline:3px solid var(--cyan-400);outline-offset:3px;border-radius:3px}

/* 6 页脚 ---------------------------------------------------------------- */
.colophon{
  position:relative;
  background:var(--ink-950);
  color:rgba(245,240,230,.72);
  border-top:1px solid rgba(59,227,210,.18);
}
.colophon::before{
  content:"";
  position:absolute;
  inset:0 0 auto 0;
  height:3px;
  background:linear-gradient(90deg,var(--cyan-400),var(--moss-600) 46%,var(--amber-500));
  opacity:.9;
}
.colophon__inner{
  width:min(100% - var(--gutter) * 2,var(--wrap));
  margin-inline:auto;
  padding-block:clamp(40px,6vw,76px);
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(0,2fr);
  gap:clamp(28px,4.5vw,64px);
}
.colophon__lead{display:flex;flex-direction:column;gap:12px}
.colophon__brand{
  font-family:var(--font-narrow);
  font-size:20px;
  font-weight:700;
  letter-spacing:.14em;
  color:var(--paper-050);
}
.colophon__note{
  font-size:13px;
  line-height:1.75;
  color:rgba(245,240,230,.5);
  max-width:30ch;
}
.colophon__cols{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(140px,1fr));
  gap:clamp(20px,3vw,40px);
}
.colophon__title{
  font-family:var(--font-narrow);
  font-size:12.5px;
  font-weight:600;
  letter-spacing:.2em;
  color:var(--amber-500);
  margin-bottom:14px;
}
.colophon__list li + li{margin-top:9px}
.colophon__link{
  font-size:14.5px;
  color:rgba(245,240,230,.78);
  text-decoration:underline;
  text-decoration-thickness:1px;
  text-decoration-color:rgba(59,227,210,.35);
  text-underline-offset:4px;
  transition:color var(--t-fast) var(--ease-out),text-decoration-color var(--t-fast) var(--ease-out);
}
.colophon__link:hover,.colophon__link:focus-visible{
  color:var(--cyan-400);
  text-decoration-color:var(--cyan-400);
}
.colophon__contact{
  grid-column:1 / -1;
  display:flex;
  flex-wrap:wrap;
  gap:10px 36px;
  padding-top:26px;
  border-top:1px solid rgba(245,240,230,.1);
  font-size:13.5px;
  letter-spacing:.02em;
  color:rgba(245,240,230,.66);
}
.colophon__contact-item{white-space:nowrap}
.colophon__legal{border-top:1px solid rgba(245,240,230,.1)}
.colophon__legal-in{
  width:min(100% - var(--gutter) * 2,var(--wrap));
  margin-inline:auto;
  min-height:66px;
  padding-block:16px;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:10px 24px;
  font-size:12.5px;
  color:rgba(245,240,230,.48);
}
.colophon__legal-list{display:flex;flex-wrap:wrap;gap:20px}
.colophon__legal-list .colophon__link{font-size:12.5px}
.colophon__icp{font-family:var(--font-mono);letter-spacing:.02em}

/* 7 通用组件 ------------------------------------------------------------- */
.btn{
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding:11px 22px;
  border:1px solid currentColor;
  border-radius:3px;
  font-family:var(--font-narrow);
  font-size:14px;
  letter-spacing:.08em;
  background:transparent;
  color:var(--ink-800);
  transition:transform var(--t-fast) var(--ease-out),background var(--t-fast) var(--ease-out),
             color var(--t-fast) var(--ease-out),border-color var(--t-fast) var(--ease-out);
}
.btn:hover{transform:translate(-2px,-2px)}
.btn--solid{background:var(--ink-800);border-color:var(--ink-800);color:var(--paper-050)}
.btn--solid:hover{background:var(--moss-600);border-color:var(--moss-600)}
.btn--cyan{background:var(--cyan-400);border-color:var(--cyan-400);color:var(--ink-950);font-weight:600}
.btn--cyan:hover{background:#5ff0e1;border-color:#5ff0e1}
.btn--line{background:transparent;border-color:var(--line);color:var(--ink-800)}
.btn--line:hover{border-color:var(--ink-800);color:var(--ink-950)}
.btn--quiet{
  background:transparent;
  border-color:transparent;
  padding-inline:0;
  color:var(--moss-600);
  text-decoration:underline;
  text-decoration-color:rgba(59,227,210,.6);
  text-underline-offset:5px;
}
.btn--quiet:hover{transform:none;color:var(--ink-950);text-decoration-color:var(--amber-500)}

.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-family:var(--font-narrow);
  font-size:12.5px;
  letter-spacing:.08em;
  color:var(--slate-500);
}
.breadcrumb li{display:inline-flex;align-items:center}
.breadcrumb li:not(:first-child)::before{
  content:"/";
  margin-right:10px;
  color:rgba(110,124,117,.55);
}
.breadcrumb a{
  color:var(--moss-600);
  text-decoration:underline;
  text-decoration-color:rgba(59,227,210,.45);
  text-underline-offset:3px;
}
.breadcrumb a:hover{color:var(--ink-950)}

.panel{
  background:var(--paper-200);
  border:1px solid var(--line);
  border-radius:var(--radius-organic);
  padding:clamp(20px,3vw,32px);
}
.panel--ink{
  background:var(--ink-800);
  border-color:rgba(59,227,210,.22);
  color:rgba(245,240,230,.84);
}
.panel--ink :where(h2,h3,.t-head){color:var(--paper-050)}

.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:4px 10px;
  border-radius:2px;
  background:var(--amber-500);
  color:var(--ink-950);
  font-family:var(--font-mono);
  font-size:11.5px;
  letter-spacing:.06em;
  font-variant-numeric:tabular-nums;
}
.badge--cyan{background:var(--cyan-400)}
.badge--ghost{
  background:transparent;
  border:1px solid var(--line);
  color:var(--slate-500);
}
.tag{
  display:inline-block;
  padding:3px 10px;
  border:1px solid rgba(110,124,117,.4);
  border-radius:999px;
  font-family:var(--font-narrow);
  font-size:12.5px;
  letter-spacing:.06em;
  color:var(--moss-600);
}
.rule{border:0;border-top:1px solid var(--line);margin:0}

.data-table{font-size:14.5px}
.data-table caption{
  text-align:left;
  padding-bottom:10px;
  font-family:var(--font-narrow);
  font-size:13px;
  letter-spacing:.1em;
  color:var(--slate-500);
}
.data-table th,.data-table td{
  padding:11px 14px;
  text-align:left;
  border-bottom:1px solid var(--line);
}
.data-table thead th{
  background:var(--ink-800);
  color:var(--paper-050);
  font-family:var(--font-narrow);
  font-size:13px;
  font-weight:500;
  letter-spacing:.09em;
  border-bottom:1px solid var(--ink-800);
}
.data-table tbody tr:nth-child(even){background:rgba(227,218,198,.5)}
.data-table .num{text-align:right}

.timeline{position:relative;padding-left:26px}
.timeline::before{
  content:"";
  position:absolute;
  left:6px;top:8px;bottom:8px;
  width:1px;
  background:var(--line);
}
.timeline__item{position:relative;padding-bottom:26px}
.timeline__item:last-child{padding-bottom:0}
.timeline__item::before{
  content:"";
  position:absolute;
  left:-26px;top:7px;
  width:11px;height:11px;
  border-radius:50%;
  background:var(--paper-050);
  border:2px solid var(--slate-500);
  transition:background var(--t-fast) var(--ease-out),border-color var(--t-fast) var(--ease-out);
}
.timeline__item[aria-current="step"]::before{
  background:var(--cyan-400);
  border-color:var(--cyan-400);
  box-shadow:0 0 0 4px rgba(59,227,210,.22);
}

.tabs__list{
  display:flex;
  flex-wrap:wrap;
  gap:4px;
  border-bottom:1px solid var(--line);
}
.tabs__tab{
  margin-bottom:-1px;
  padding:10px 18px;
  border-bottom:2px solid transparent;
  font-family:var(--font-narrow);
  font-size:14px;
  letter-spacing:.08em;
  color:var(--slate-500);
  transition:color var(--t-fast) var(--ease-out),border-color var(--t-fast) var(--ease-out);
}
.tabs__tab:hover{color:var(--ink-800)}
.tabs__tab[aria-selected="true"]{
  color:var(--ink-950);
  border-bottom-color:var(--cyan-400);
  font-weight:600;
}
.tabs__panel{padding-top:26px}

.scroll-progress{
  position:fixed;
  left:0;top:0;
  width:100%;height:2px;
  z-index:150;
  transform:scaleX(0);
  transform-origin:0 50%;
  background:linear-gradient(90deg,var(--cyan-400),var(--amber-500));
  pointer-events:none;
}

.sr-only{
  position:absolute;
  width:1px;height:1px;
  padding:0;margin:-1px;
  overflow:hidden;
  clip:rect(0 0 0 0);
  white-space:nowrap;
  border:0;
}

/* 8 图片容器 ------------------------------------------------------------- */
.figure{margin:0;display:grid;gap:12px}
.figure__media{
  position:relative;
  overflow:hidden;
  aspect-ratio:16 / 9;
  border:1px solid rgba(110,124,117,.3);
  border-radius:var(--radius-organic);
  background:
    linear-gradient(135deg,rgba(59,227,210,.16),rgba(19,37,30,.05) 55%,rgba(231,161,60,.14)),
    repeating-linear-gradient(45deg,rgba(19,37,30,.05) 0 10px,rgba(19,37,30,0) 10px 20px);
}
.figure__media > img{
  width:100%;
  height:100%;
  object-fit:cover;
}
.figure__media--4x3{aspect-ratio:4 / 3}
.figure__media--1x1{aspect-ratio:1 / 1}
.figure__media--3x4{aspect-ratio:3 / 4}
.figure__media--21x9{aspect-ratio:21 / 9}
.figure__cap{
  font-size:12.5px;
  font-style:italic;
  line-height:1.65;
  color:var(--slate-500);
}

/* 9 动效 ----------------------------------------------------------------- */
.reveal{
  opacity:0;
  transform:translateY(14px);
  transition:opacity 420ms var(--ease-out),transform 420ms var(--ease-out);
}
.reveal.is-in{opacity:1;transform:none}

/* 10 响应式与偏好 -------------------------------------------------------- */
@media (max-width:899px){
  .grid--split{grid-template-columns:1fr}
  .colophon__inner{grid-template-columns:1fr}
  .colophon__contact{gap:8px 26px}
}

@media (max-width:959px){
  .site-head__bar{flex-wrap:wrap;row-gap:0}
  .nav-toggle{display:inline-flex}
  .site-nav{
    display:none;
    flex-basis:100%;
    order:3;
    border-top:1px solid rgba(245,240,230,.1);
    padding-top:6px;
  }
  .site-head[data-open="true"] .site-nav{display:block}
  .site-nav__list{flex-direction:column;align-items:stretch;gap:0}
  .site-nav__link{
    display:block;
    padding:15px 2px;
    font-size:clamp(18px,5.4vw,22px);
    letter-spacing:.08em;
    border-bottom:1px solid rgba(245,240,230,.09);
  }
  .site-nav__link::after{left:2px;right:auto;width:28px;bottom:10px}
  .site-nav__list li:last-child .site-nav__link{border-bottom:0}
}

@media (max-width:600px){
  .site-head__strip-in{min-height:0}
  .statusline{font-size:11.5px;letter-spacing:.02em}
  .season-switch__btn{padding:5px 11px;font-size:12px}
  .brandmark__meta{white-space:normal}
  .colophon__legal-in{flex-direction:column;align-items:flex-start;gap:8px}
}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
  }
  .statusline__dot{animation:none}
  .reveal{opacity:1;transform:none}
  .btn:hover{transform:none}
}