/* ==========================================================================
   完美体育 · 共享样式表 /assets/site.css
   设计逻辑：深墨绿球场轨道 + 暖纸印刷层 + 亮橙信号色 + 等宽数字
   ========================================================================== */

/* ---------- 1. 设计令牌 ---------- */
:root{
  --ink-green:#0B2A1E;
  --pitch-green:#14573A;
  --green-mid:#2E8B62;
  --signal-orange:#FF6A1A;
  --orange-soft:#FFC49B;
  --paper-warm:#F5EFE3;
  --paper-2:#E9DFCB;
  --blue-deep:#0E2440;
  --white:#FFFFFF;
  --card-yellow:#F2C63B;
  --card-red:#D8362E;
  --ink-text:#1A1A17;
  --ink-soft:rgba(26,26,23,.68);
  --line:rgba(11,42,30,.18);
  --line-strong:rgba(11,42,30,.44);
  --on-dark:rgba(245,239,227,.82);
  --on-dark-soft:rgba(245,239,227,.6);

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

  --rail-w:272px;
  --shell:1200px;
  --gap:1.25rem;
  --radius:14px;
  --radius-sm:8px;
  --tabbar-h:3.9rem;
}

/* ---------- 2. 重置 ---------- */
*,*::before,*::after{box-sizing:border-box}

html{
  -webkit-text-size-adjust:100%;
  scroll-behavior:smooth;
  scroll-padding-top:1rem;
}

body{
  margin:0;
  min-height:100%;
  color:var(--ink-text);
  font-family:var(--font-sans);
  font-size:1rem;
  line-height:1.75;
  background-color:var(--paper-warm);
  background-image:repeating-linear-gradient(90deg,rgba(20,87,58,.055) 0 1px,transparent 1px 72px);
  overflow-x:hidden;
}

body.nav-locked{overflow:hidden}

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

a{color:var(--pitch-green);text-decoration-thickness:1px;text-underline-offset:3px}
a:hover{color:var(--signal-orange)}

button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer;background:none;border:0}

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

::selection{background:var(--signal-orange);color:#08211A}

/* ---------- 3. 中文排版 ---------- */
h1,h2,h3,h4{
  margin:0 0 .6em;
  font-family:var(--font-serif);
  font-weight:800;
  line-height:1.18;
  letter-spacing:-.01em;
  color:var(--ink-green);
}
h1{font-size:clamp(2rem,4vw,3.2rem)}
h2{font-size:clamp(1.4rem,2.4vw,2rem)}
h3{font-size:clamp(1.1rem,1.6vw,1.35rem)}
h4{font-size:1.02rem}
p{margin:0 0 1em}
ul,ol{margin:0 0 1em;padding-left:1.25em}
li{margin:.2em 0}
strong{font-weight:700}
small{font-size:.8125rem}
hr{border:0;border-top:1px solid var(--line);margin:2rem 0}

.num,.mono{
  font-family:var(--font-mono);
  font-variant-numeric:tabular-nums;
  font-weight:600;
  letter-spacing:.01em;
}

/* ---------- 4. 布局工具 ---------- */
.container{
  width:100%;
  max-width:var(--shell);
  margin-inline:auto;
  padding-inline:clamp(1.15rem,3vw,2rem);
}
.container--narrow{max-width:820px}

.prose{max-width:66ch}
.prose > :first-child{margin-top:0}
.prose > :last-child{margin-bottom:0}

.grid{display:grid;gap:var(--gap)}
.grid--2,.grid--3{grid-template-columns:1fr}
@media (min-width:720px){
  .grid--2{grid-template-columns:repeat(2,minmax(0,1fr))}
  .grid--3{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (min-width:1080px){
  .grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}
}

/* ---------- 5. 头部外壳 ---------- */
.site-header{position:relative;z-index:70}

@media (min-width:1024px){
  .site-header{
    position:fixed;
    top:0;left:0;bottom:0;
    width:var(--rail-w);
    z-index:70;
  }
}

/* 跳转链接 */
.skip-link{
  position:absolute;
  top:0;left:-9999px;
  z-index:200;
  padding:.7rem 1.1rem;
  background:var(--signal-orange);
  color:#08211A;
  font-weight:700;
  font-size:.875rem;
  text-decoration:none;
  border-radius:0 0 10px 0;
}
.skip-link:focus{left:0;color:#08211A}

/* 品牌 */
.brand{
  display:inline-flex;
  align-items:center;
  gap:.6rem;
  color:inherit;
  text-decoration:none;
}
.brand:hover{color:inherit}
.brand__mark{
  flex:none;
  width:2.15rem;height:2.15rem;
  display:grid;place-items:center;
  background:var(--signal-orange);
  color:#08211A;
  font-family:var(--font-serif);
  font-weight:900;
  font-size:1.05rem;
  border-radius:9px;
  box-shadow:inset 0 0 0 2px rgba(11,42,30,.22);
}
.brand__text{display:block;min-width:0}
.brand__name{
  display:block;
  font-weight:800;
  font-size:1rem;
  line-height:1.25;
  letter-spacing:.03em;
}
.brand__sub{
  display:block;
  font-size:.68rem;
  line-height:1.35;
  letter-spacing:.08em;
  color:currentColor;
  opacity:.66;
}
.brand--compact .brand__sub{font-size:.66rem}
.brand--footer .brand__name{font-size:1.08rem}
.brand--footer .brand__sub{font-size:.7rem}

/* 移动端顶栏 */
.topbar{
  position:sticky;
  top:0;
  z-index:65;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:.75rem;
  padding:.6rem .9rem;
  background:var(--ink-green);
  color:var(--paper-warm);
  border-bottom:3px solid var(--signal-orange);
}
@media (min-width:1024px){.topbar{display:none}}
@media (max-width:419px){.brand--compact .brand__sub{display:none}}

/* 汉堡按钮 */
.nav-toggle{
  display:inline-flex;
  align-items:center;
  gap:.5rem;
  padding:.45rem .8rem;
  border-radius:999px;
  background:rgba(245,239,227,.08);
  border:1.5px solid rgba(245,239,227,.4);
  color:var(--paper-warm);
  font-size:.8rem;
  font-weight:700;
  letter-spacing:.04em;
  transition:background .18s ease,border-color .18s ease,color .18s ease;
}
.nav-toggle:hover{background:rgba(245,239,227,.18)}
.nav-toggle__bars{display:grid;gap:3px;width:16px}
.nav-toggle__bars span{display:block;height:2px;background:currentColor;border-radius:2px}
.nav-toggle[aria-expanded="true"]{
  background:var(--signal-orange);
  border-color:var(--signal-orange);
  color:#08211A;
}

/* 竖向轨道 / 抽屉导航 */
.site-nav{
  position:fixed;
  top:0;left:0;bottom:0;
  width:min(86vw,336px);
  z-index:80;
  display:flex;
  flex-direction:column;
  gap:.9rem;
  padding:1rem 1rem 2rem;
  background:var(--ink-green);
  color:var(--paper-warm);
  border-right:3px solid var(--signal-orange);
  overflow-y:auto;
  overscroll-behavior:contain;
  transform:translateX(-101%);
  transition:transform .3s cubic-bezier(.22,.61,.36,1);
}
.site-nav[data-open="true"]{transform:translateX(0)}

.site-nav__head{
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap:.75rem;
  padding-bottom:.9rem;
  border-bottom:1px solid rgba(245,239,227,.2);
}
.nav-close{
  flex:none;
  width:2rem;height:2rem;
  display:grid;place-items:center;
  border-radius:50%;
  border:1.5px solid rgba(245,239,227,.36);
  color:var(--paper-warm);
  font-size:1.05rem;
  line-height:1;
  transition:background .18s ease,color .18s ease;
}
.nav-close:hover{background:var(--signal-orange);color:#08211A}

.site-nav__tag{
  display:inline-flex;
  align-items:center;
  gap:.5rem;
  margin:0;
  font-family:var(--font-mono);
  font-size:.7rem;
  letter-spacing:.14em;
  color:var(--on-dark-soft);
}
.site-nav__tag-dot{
  width:.5rem;height:.5rem;
  border-radius:50%;
  background:var(--signal-orange);
  box-shadow:0 0 0 4px rgba(255,106,26,.18);
}

.nav-list{
  list-style:none;
  margin:0;
  padding:0;
  display:grid;
  gap:.15rem;
}
.nav-link{
  position:relative;
  display:flex;
  align-items:baseline;
  justify-content:space-between;
  gap:.75rem;
  padding:.68rem .75rem;
  border-radius:var(--radius-sm);
  color:var(--on-dark);
  text-decoration:none;
  font-weight:600;
  font-size:.95rem;
  transition:background .18s ease,color .18s ease,padding-left .18s ease;
}
.nav-link::before{
  content:"";
  position:absolute;
  left:0;top:50%;
  width:3px;height:58%;
  background:var(--signal-orange);
  border-radius:3px;
  transform:translateY(-50%) scaleY(0);
  transition:transform .18s ease;
}
.nav-link:hover{
  background:rgba(255,106,26,.14);
  color:var(--paper-warm);
  padding-left:1rem;
}
.nav-link[aria-current="page"]{
  background:var(--pitch-green);
  color:var(--white);
  padding-left:1rem;
}
.nav-link[aria-current="page"]::before{transform:translateY(-50%) scaleY(1)}
.nav-link__num{
  font-family:var(--font-mono);
  font-size:.7rem;
  letter-spacing:.08em;
  color:var(--on-dark-soft);
}
.nav-link[aria-current="page"] .nav-link__num{color:var(--orange-soft)}

.nav-utility{
  margin-top:auto;
  padding-top:1.25rem;
  border-top:1px dashed rgba(245,239,227,.28);
  display:grid;
  gap:.5rem;
}

/* 遮罩 */
.nav-scrim{
  position:fixed;
  inset:0;
  z-index:75;
  background:rgba(11,42,30,.62);
  opacity:0;
  visibility:hidden;
  transition:opacity .28s ease,visibility .28s ease;
}
.nav-scrim[data-open="true"]{opacity:1;visibility:visible}

/* 底部标签栏 */
.tabbar{
  position:fixed;
  left:0;right:0;bottom:0;
  z-index:68;
  display:grid;
  grid-template-columns:repeat(6,minmax(0,1fr));
  padding:.3rem .2rem calc(.3rem + env(safe-area-inset-bottom,0px));
  background:var(--ink-green);
  border-top:3px solid var(--signal-orange);
}
.tabbar__link{
  position:relative;
  display:flex;
  align-items:center;
  justify-content:center;
  min-height:2.3rem;
  padding:.3rem .1rem;
  border-radius:var(--radius-sm);
  color:var(--on-dark-soft);
  font-size:.65rem;
  line-height:1.2;
  letter-spacing:.02em;
  text-align:center;
  text-decoration:none;
  transition:background .18s ease,color .18s ease;
}
.tabbar__link::after{
  content:"";
  position:absolute;
  top:0;left:26%;right:26%;
  height:3px;
  border-radius:0 0 3px 3px;
  background:transparent;
  transition:background .18s ease;
}
.tabbar__link:hover{color:var(--paper-warm);background:rgba(245,239,227,.08)}
.tabbar__link[aria-current="page"]{
  color:var(--white);
  background:rgba(255,106,26,.16);
}
.tabbar__link[aria-current="page"]::after{background:var(--signal-orange)}

/* 桌面端：轨道常驻 */
@media (min-width:1024px){
  .site-nav{
    position:static;
    transform:none;
    width:100%;
    height:100%;
    border-right:0;
    border-top:6px solid var(--signal-orange);
    padding:1.6rem 1.25rem 1.2rem;
    gap:1.05rem;
  }
  .nav-close{display:none}
  .nav-utility{margin-top:auto}
  .tabbar{display:none}
}

/* ---------- 6. 页脚 ---------- */
.site-footer{
  position:relative;
  margin-top:clamp(2.5rem,6vw,4.5rem);
  background:var(--ink-green);
  color:var(--on-dark);
  border-top:6px solid var(--signal-orange);
  padding-bottom:calc(var(--tabbar-h) + .9rem + env(safe-area-inset-bottom,0px));
  overflow:hidden;
}
.site-footer::before{
  content:"";
  position:absolute;
  inset:0;
  pointer-events:none;
  background-image:
    repeating-linear-gradient(90deg,rgba(46,139,98,.18) 0 1px,transparent 1px 76px),
    radial-gradient(circle at 86% 8%,rgba(255,106,26,.16),transparent 44%);
}
.footer-inner{
  position:relative;
  z-index:1;
  max-width:var(--shell);
  margin-inline:auto;
  padding:clamp(2rem,4vw,3rem) clamp(1.15rem,3vw,2rem) 1rem;
}
.footer-grid{
  display:grid;
  gap:1.75rem;
  grid-template-columns:1fr;
}
@media (min-width:560px){
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (min-width:1024px){
  .footer-grid{grid-template-columns:1.7fr 1fr 1fr 1fr 1fr;gap:2rem 1.5rem}
}

.footer-brand{display:grid;gap:1rem;align-content:start}
.footer-note{
  margin:0;
  max-width:34ch;
  font-size:.86rem;
  line-height:1.7;
  color:var(--on-dark-soft);
}

.footer-contact{
  display:grid;
  gap:.45rem;
  padding-top:.9rem;
  border-top:1px dashed rgba(245,239,227,.24);
}
.copy-row{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:.45rem .55rem;
  font-size:.82rem;
}
.copy-row__label{
  font-family:var(--font-mono);
  font-size:.7rem;
  letter-spacing:.08em;
  color:var(--on-dark-soft);
}
.copy-row__value{
  font-family:var(--font-mono);
  font-weight:600;
  color:var(--paper-warm);
  word-break:break-all;
}
.copy-btn{
  padding:.15rem .55rem;
  border-radius:999px;
  border:1.5px solid rgba(255,106,26,.6);
  background:transparent;
  color:var(--orange-soft);
  font-size:.7rem;
  letter-spacing:.04em;
  transition:background .18s ease,color .18s ease,border-color .18s ease;
}
.copy-btn:hover{background:var(--signal-orange);border-color:var(--signal-orange);color:#08211A}
.copy-btn[data-copied="true"]{background:var(--green-mid);border-color:var(--green-mid);color:#06170F}
.footer-contact__note{
  margin:.25rem 0 0;
  font-size:.78rem;
  line-height:1.6;
  color:var(--on-dark-soft);
}

.footer-col{display:grid;gap:.6rem;align-content:start}
.footer-col__title{
  margin:0;
  font-family:var(--font-mono);
  font-size:.72rem;
  font-weight:700;
  letter-spacing:.16em;
  color:var(--signal-orange);
}
.footer-list{list-style:none;margin:0;padding:0;display:grid;gap:.42rem}
.footer-link{
  display:inline-block;
  font-size:.9rem;
  color:var(--on-dark);
  text-decoration:none;
  border-bottom:1px solid transparent;
  transition:color .18s ease,border-color .18s ease,padding-left .18s ease;
}
.footer-link:hover{color:var(--white);border-color:var(--signal-orange);padding-left:.25rem}

.footer-legal{
  margin-top:clamp(1.75rem,3vw,2.6rem);
  padding-top:1rem;
  border-top:1px solid rgba(245,239,227,.2);
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:.4rem 1.25rem;
  font-size:.78rem;
  color:var(--on-dark-soft);
}
.footer-legal p{margin:0}
.footer-legal__sig{
  font-family:var(--font-serif);
  font-weight:700;
  color:var(--paper-warm);
  letter-spacing:.02em;
}
.footer-legal__icp,.footer-legal__year{font-family:var(--font-mono);letter-spacing:.03em}
@media (min-width:768px){
  .footer-legal__year{margin-left:auto}
}

@media (min-width:1024px){
  .site-footer{padding-bottom:clamp(1.5rem,3vw,2.5rem)}
}

/* ---------- 7. 通用组件 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:.5rem;
  padding:.66rem 1.15rem;
  border-radius:999px;
  border:1.5px solid transparent;
  font-size:.9rem;
  font-weight:700;
  letter-spacing:.02em;
  text-decoration:none;
  cursor:pointer;
  transition:transform .18s ease,background .18s ease,color .18s ease,border-color .18s ease;
}
.btn--primary{
  background:var(--signal-orange);
  color:#08211A;
  box-shadow:0 5px 0 rgba(11,42,30,.3);
}
.btn--primary:hover{background:#FF7E38;color:#08211A;transform:translateY(-2px)}
.btn--ghost{
  background:transparent;
  border-color:rgba(245,239,227,.45);
  color:var(--paper-warm);
}
.btn--ghost:hover{background:rgba(245,239,227,.14);color:var(--white)}
.btn--ink{
  background:var(--ink-green);
  color:var(--paper-warm);
  box-shadow:0 5px 0 rgba(11,42,30,.22);
}
.btn--ink:hover{background:var(--pitch-green);color:var(--white);transform:translateY(-2px)}

.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:.55rem;
  font-family:var(--font-mono);
  font-size:.72rem;
  font-weight:700;
  letter-spacing:.16em;
  color:var(--pitch-green);
}
.eyebrow::before{
  content:"";
  width:1.6rem;height:2px;
  background:var(--signal-orange);
}

.section-rule{
  display:block;
  width:100%;
  height:0;
  border:0;
  border-top:1px solid var(--line);
  margin:clamp(1.6rem,3vw,2.4rem) 0;
}

.card{
  background:var(--white);
  border:2px solid var(--ink-green);
  border-radius:var(--radius);
  padding:1.15rem 1.25rem;
  box-shadow:6px 6px 0 rgba(11,42,30,.12);
}
.card--paper{
  background:var(--paper-2);
  box-shadow:6px 6px 0 rgba(11,42,30,.18);
}
.card__title{
  margin:0 0 .5rem;
  font-size:1.05rem;
  font-family:var(--font-serif);
  color:var(--ink-green);
}
.card p:last-child{margin-bottom:0}

.ticket{
  --ticket-gap:var(--paper-warm);
  position:relative;
  background:var(--white);
  border:2px solid var(--ink-green);
  border-radius:var(--radius);
  padding:1.15rem 1.4rem;
}
.ticket::before,
.ticket::after{
  content:"";
  position:absolute;
  top:calc(50% - 9px);
  width:18px;height:18px;
  border-radius:50%;
  background:var(--ticket-gap);
  border:2px solid var(--ink-green);
}
.ticket::before{left:-11px}
.ticket::after{right:-11px}

.badge{
  display:inline-flex;
  align-items:center;
  gap:.35rem;
  padding:.16rem .6rem;
  border-radius:999px;
  border:1.5px solid var(--line-strong);
  background:var(--white);
  color:var(--ink-green);
  font-family:var(--font-mono);
  font-size:.7rem;
  font-weight:700;
  letter-spacing:.05em;
}
.badge--orange{background:var(--signal-orange);border-color:var(--signal-orange);color:#08211A}
.badge--yellow{background:var(--card-yellow);border-color:#C9A11F;color:#3A2E00}
.badge--red{background:var(--card-red);border-color:#A72620;color:#FFFFFF}
.badge--green{background:var(--pitch-green);border-color:var(--pitch-green);color:var(--white)}

.crumbs{font-size:.78rem;font-family:var(--font-mono);letter-spacing:.04em}
.crumbs__list{
  list-style:none;
  margin:0;
  padding:0;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:.4rem;
}
.crumbs__list li{
  display:inline-flex;
  align-items:center;
  gap:.4rem;
  color:var(--ink-soft);
  margin:0;
}
.crumbs__list li + li::before{content:"/";color:var(--green-mid)}
.crumbs__list a{
  color:var(--pitch-green);
  text-decoration:none;
  border-bottom:1px solid rgba(46,139,98,.45);
}
.crumbs__list a:hover{color:var(--signal-orange);border-color:var(--signal-orange)}

.media-frame{
  position:relative;
  display:block;
  width:100%;
  aspect-ratio:4/3;
  overflow:hidden;
  border:2px solid var(--ink-green);
  border-radius:var(--radius);
  background:linear-gradient(135deg,var(--paper-2),var(--paper-warm));
  isolation:isolate;
}
.media-frame img{
  width:100%;
  height:100%;
  object-fit:cover;
  display:block;
}
.media-frame--16-9{aspect-ratio:16/9}
.media-frame--3-4{aspect-ratio:3/4}
.media-frame--square{aspect-ratio:1/1}
.media-frame--tint::after{
  content:"";
  position:absolute;
  inset:0;
  background:rgba(20,87,58,.26);
  mix-blend-mode:multiply;
  pointer-events:none;
}
.media-frame__caption{
  position:absolute;
  left:0;right:0;bottom:0;
  z-index:1;
  padding:.6rem .8rem;
  background:linear-gradient(to top,rgba(11,42,30,.9),rgba(11,42,30,0));
  color:var(--paper-warm);
  font-size:.75rem;
  line-height:1.5;
  letter-spacing:.02em;
}

.accordion{border-top:1px solid var(--line)}
.accordion__item{border-bottom:1px solid var(--line)}
.accordion__trigger{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:1rem;
  padding:1.05rem .25rem;
  background:transparent;
  border:0;
  text-align:left;
  font-weight:700;
  font-family:var(--font-sans);
  color:var(--ink-green);
  transition:color .18s ease,background .18s ease;
}
.accordion__trigger:hover{color:var(--signal-orange)}
.accordion__trigger::after{
  content:"+";
  flex:none;
  font-family:var(--font-mono);
  font-size:1.15rem;
  line-height:1;
  color:var(--signal-orange);
  transition:transform .2s ease;
}
.accordion__trigger[aria-expanded="true"]::after{content:"–";transform:rotate(180deg)}
.accordion__panel{padding:0 .25rem 1.15rem;color:var(--ink-soft)}
.accordion__panel[hidden]{display:none}

/* ---------- 8. 动效与偏好 ---------- */
@media (prefers-reduced-motion:no-preference){
  [data-reveal]{transition:opacity .55s ease,transform .55s ease}
  html[data-anim="on"] [data-reveal]:not([data-reveal="shown"]){
    opacity:0;
    transform:translateY(16px);
  }
}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
  }
}

@media print{
  .site-header,.site-footer,.tabbar{display:none !important}
  body{padding-left:0 !important;background:#fff}
}