/* ==========================================================================
   奇异果体育 · 共享样式 /assets/site.css
   果肉绿 × 果皮棕褐 × 荧光青绿 × 暖纸底
   ========================================================================== */

:root{
  /* 色彩 */
  --kiwi-flesh:#6BBF3A;
  --kiwi-core:#3E8E2A;
  --kiwi-glow:#C8FF3D;
  --skin:#6B4A2B;
  --skin-light:#A9825A;
  --seed:#191813;
  --paper:#F5F0E1;
  --paper-light:#FBF8EF;
  --pale-green:#DCEFC8;
  --print-orange:#E4552A;
  --deep-teal:#166B5E;

  /* 字体 */
  --font-body:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans CJK SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --font-num:ui-monospace,"DIN Alternate","Roboto Mono","SFMono-Regular",Menlo,Consolas,monospace;

  /* 尺度 */
  --shell:1360px;
  --content:1200px;
  --pill:999px;
  --dur:.2s;
  --pad-x:clamp(14px,3vw,32px);
  --shadow-paper:0 10px 26px rgba(25,24,19,.13);
}

/* ---------- reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body,figure,blockquote,dl,dd,p,h1,h2,h3,h4{margin:0}
img,svg{max-width:100%}
button{font:inherit;color:inherit}
a{color:inherit}
:focus-visible{outline:3px solid var(--kiwi-core);outline-offset:2px;border-radius:3px}

/* ---------- 基础排版 ---------- */
body{
  background-color:var(--paper);
  background-image:repeating-linear-gradient(135deg,rgba(107,74,43,.035) 0 1px,transparent 1px 9px);
  color:var(--seed);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.75;
  font-weight:400;
  overflow-x:hidden;
}
h1,h2,h3,h4{font-weight:800;line-height:1.2;letter-spacing:-.02em;margin-bottom:.6em}
h1{font-size:clamp(2.1rem,4.4vw,3.5rem)}
h2{font-size:clamp(1.45rem,2.6vw,2.1rem)}
h3{font-size:clamp(1.1rem,1.6vw,1.35rem)}
p{max-width:38em}
.num,.score,.round-no{font-family:var(--font-num);font-variant-numeric:tabular-nums}
.visually-hidden{position:absolute;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.display-skew{transform:skewX(-4deg)}
.app-note{font-size:12.5px;letter-spacing:.18em;color:var(--skin);text-transform:uppercase}

/* ---------- 跳转链接 ---------- */
.skip-link{
  position:absolute;left:12px;top:-70px;z-index:200;
  background:var(--seed);color:var(--paper);
  padding:10px 18px;border-radius:0 0 12px 12px;
  font-weight:700;text-decoration:none;
  transition:top var(--dur) ease;
}
.skip-link:focus{top:0}

/* ---------- 容器与章节 ---------- */
.container{width:min(var(--content),100%);margin-inline:auto;padding-inline:var(--pad-x)}
.container--wide{width:min(var(--shell),100%)}
.section{padding-block:clamp(32px,5vw,76px)}
.section-head{margin-bottom:clamp(18px,2.4vw,30px)}
.eyebrow{
  display:inline-block;font-size:12.5px;font-weight:700;
  letter-spacing:.22em;color:var(--skin);margin-bottom:10px;
}
.eyebrow::after{content:"";display:block;height:3px;margin-top:6px;background:var(--kiwi-flesh);transform:skewX(-18deg)}
.divider-slash{height:3px;background:var(--skin-light);transform:skewY(-2.5deg);margin-block:clamp(26px,4vw,52px);border:0}
.prose{max-width:40em}
.prose p{font-size:1.0625rem;margin-bottom:1.15em;max-width:38em}
.prose ul,.prose ol{padding-left:1.3em;margin:0 0 1.15em;max-width:38em}
.prose li{margin-bottom:.4em}
.prose ul{list-style:none;padding-left:1.1em}
.prose ul li::before{content:"◆";color:var(--kiwi-flesh);font-size:.7em;display:inline-block;width:1.1em;margin-left:-1.1em;vertical-align:2px}
.prose blockquote{
  border-left:4px solid var(--kiwi-flesh);background:var(--pale-green);
  padding:14px 18px;margin:0 0 1.2em;max-width:38em;
}

/* ---------- 果籽网格 ---------- */
.grid-seed{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:clamp(14px,2vw,26px)}
.grid-seed > *{min-width:0}
.span-3{grid-column:span 3}
.span-4{grid-column:span 4}
.span-5{grid-column:span 5}
.span-6{grid-column:span 6}
.span-7{grid-column:span 7}
.span-8{grid-column:span 8}
.span-12{grid-column:span 12}

/* ---------- 面板与卡片 ---------- */
.panel{
  position:relative;background:var(--paper-light);border:2px solid var(--seed);
  padding:clamp(16px,2vw,26px);
}
.panel--cut{clip-path:polygon(0 0,100% 0,100% calc(100% - 22px),calc(100% - 22px) 100%,0 100%)}
.panel--skin{background:var(--skin);border-color:var(--skin);color:var(--paper)}
.panel--skin h2,.panel--skin h3,.panel--skin .eyebrow{color:var(--paper)}
.panel--green{background:var(--kiwi-flesh);border-color:var(--seed)}
.panel--glow{background:var(--kiwi-glow);border-color:var(--seed)}
.card{
  position:relative;background:var(--paper-light);border:2px solid var(--seed);
  padding:clamp(14px,1.8vw,22px);
  transition:transform var(--dur) ease,box-shadow var(--dur) ease,border-color var(--dur) ease;
}
.card:hover{transform:translate(-2px,-2px);box-shadow:6px 6px 0 var(--skin-light);border-color:var(--kiwi-core)}
.card--tall{padding-bottom:clamp(20px,2.6vw,32px)}

/* ---------- 标签 ---------- */
.chip-group{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:16px}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  border:1.5px solid var(--skin-light);background:var(--paper-light);
  border-radius:var(--pill);padding:6px 14px;font-size:14px;font-weight:600;
  transition:background var(--dur) ease,border-color var(--dur) ease,transform var(--dur) ease;
}
.chip:hover{border-color:var(--kiwi-core);background:var(--pale-green)}
.chip.is-active{background:var(--kiwi-glow);border-color:var(--seed);transform:translateY(-1px)}
.tag{
  display:inline-block;background:var(--print-orange);color:var(--paper-light);
  font-size:12px;font-weight:800;letter-spacing:.06em;padding:3px 10px;
  clip-path:polygon(0 0,100% 0,100% 100%,7px 100%,0 calc(100% - 7px));
}

/* ---------- 面包屑 ---------- */
.breadcrumbs{margin-bottom:clamp(14px,2vw,22px)}
.breadcrumbs-list{display:flex;flex-wrap:wrap;align-items:center;gap:8px;list-style:none;margin:0;padding:0;font-size:13.5px}
.breadcrumbs-item{display:flex;align-items:center;gap:8px;color:var(--skin)}
.breadcrumbs-item + .breadcrumbs-item::before{content:"/";color:var(--skin-light);transform:skewX(-12deg)}
.breadcrumbs-item a{text-decoration:none;border-bottom:1px solid transparent}
.breadcrumbs-item a:hover{border-bottom-color:var(--kiwi-core);color:var(--kiwi-core)}
.breadcrumbs-item[aria-current="page"]{color:var(--seed);font-weight:700}

/* ---------- 图片容器 ---------- */
.media-frame{
  position:relative;overflow:hidden;display:block;
  aspect-ratio:4 / 3;
  border:2px solid var(--seed);
  background-color:var(--pale-green);
  background-image:
    radial-gradient(circle at 50% 50%,rgba(251,248,239,.9) 0 7%,transparent 7.5%),
    repeating-radial-gradient(circle at 50% 50%,rgba(62,142,42,.28) 0 4px,transparent 4px 20px);
}
.media-frame img{width:100%;height:100%;object-fit:cover;display:block}
.media-frame--wide{aspect-ratio:16 / 9}
.media-frame--square{aspect-ratio:1 / 1}
.media-frame--tall{aspect-ratio:3 / 4}
.media-frame--shade::after{
  content:"";position:absolute;inset:auto 0 0 0;height:38%;pointer-events:none;
  background:linear-gradient(180deg,transparent,rgba(25,24,19,.42));
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:42px;padding:0 18px;
  font-size:15px;font-weight:700;line-height:1;text-decoration:none;
  border:2px solid var(--seed);border-radius:var(--pill);
  background:var(--paper-light);color:var(--seed);cursor:pointer;
  transition:background var(--dur) ease,border-color var(--dur) ease,color var(--dur) ease,transform var(--dur) ease,box-shadow var(--dur) ease;
}
.btn:hover{transform:translate(-2px,-2px);box-shadow:4px 4px 0 var(--seed)}
.btn:active{transform:translate(0,0);box-shadow:none}
.btn-primary{background:var(--kiwi-flesh);border-color:var(--seed)}
.btn-primary:hover{background:var(--kiwi-glow);border-color:var(--kiwi-core)}
.btn-ghost{background:transparent;border-color:var(--skin);color:var(--skin)}
.btn-ghost:hover{background:var(--pale-green);border-color:var(--kiwi-core);color:var(--kiwi-core);box-shadow:4px 4px 0 var(--skin-light)}
.btn-sm{height:36px;padding:0 14px;font-size:14px}

/* ---------- 收藏按钮三态 ---------- */
.fav-btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 16px;font-size:14.5px;font-weight:700;cursor:pointer;
  border:2px solid var(--seed);border-radius:var(--pill);background:var(--paper-light);color:var(--seed);
  transition:background var(--dur) ease,border-color var(--dur) ease,transform var(--dur) ease;
}
.fav-btn:hover{transform:translateY(-2px)}
.fav-dot{width:9px;height:9px;border-radius:50%;background:var(--skin-light);flex:0 0 auto;transition:background var(--dur) ease,box-shadow var(--dur) ease}
.fav-btn[data-state="syncing"]{border-color:var(--skin-light);color:var(--skin);cursor:progress}
.fav-btn[data-state="syncing"] .fav-dot{background:var(--skin-light);animation:fav-pulse .7s ease-in-out infinite alternate}
.fav-btn[data-state="saved"]{background:var(--kiwi-glow);border-color:var(--seed)}
.fav-btn[data-state="saved"] .fav-dot{background:var(--kiwi-core);box-shadow:0 0 0 3px rgba(107,191,58,.4)}
@keyframes fav-pulse{from{opacity:.3;transform:scale(.7)}to{opacity:1;transform:scale(1.2)}}

/* ---------- 标签页 ---------- */
.tab-list{display:flex;flex-wrap:wrap;gap:8px;list-style:none;margin:0 0 18px;padding:0}
.tab{
  cursor:pointer;border:2px solid var(--skin-light);background:var(--paper-light);color:var(--seed);
  border-radius:var(--pill);padding:7px 16px;font-size:14.5px;font-weight:700;
  transition:background var(--dur) ease,border-color var(--dur) ease,box-shadow var(--dur) ease,transform var(--dur) ease;
}
.tab:hover{border-color:var(--kiwi-core);background:var(--pale-green);transform:translateY(-1px)}
.tab.is-active,.tab[aria-selected="true"]{background:var(--kiwi-flesh);border-color:var(--seed);box-shadow:0 3px 0 var(--seed)}
.tab-panel{display:none}
.tab-panel.is-active{display:block}

/* ---------- 显现动效 ---------- */
html.has-js [data-reveal]{opacity:0;transform:translateY(12px);transition:opacity .5s ease,transform .5s ease}
html.has-js [data-reveal].is-visible{opacity:1;transform:none}

/* ==========================================================================
   页头：悬浮胶囊导航
   ========================================================================== */
.site-header{
  position:sticky;top:0;z-index:80;
  padding:14px var(--pad-x) 0;
  transition:padding var(--dur) ease;
}
.site-header[data-scrolled]{padding-top:8px}

.nav-capsule{
  position:relative;
  display:flex;align-items:center;gap:clamp(8px,1.4vw,20px);
  width:min(var(--shell),100%);
  margin-inline:auto;
  padding:8px clamp(10px,1.4vw,18px);
  transition:padding var(--dur) ease;
}
.nav-capsule::before{
  content:"";position:absolute;inset:0;z-index:-1;
  background:linear-gradient(180deg,rgba(251,248,239,.96),rgba(245,240,225,.92));
  border:2px solid var(--skin);
  border-top-color:var(--skin);
  border-bottom-color:var(--skin-light);
  clip-path:polygon(16px 0,100% 0,100% calc(100% - 16px),calc(100% - 16px) 100%,0 100%,0 16px);
  box-shadow:var(--shadow-paper);
  backdrop-filter:blur(6px);
}
.site-header[data-scrolled] .nav-capsule{padding:5px clamp(8px,1.2vw,14px)}

/* 品牌 */
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;flex:0 0 auto;min-width:0}
.brand-mark{display:inline-flex;width:44px;height:44px;flex:0 0 auto;transition:transform .28s ease}
.brand-mark svg{width:100%;height:100%;display:block;filter:drop-shadow(0 2px 0 rgba(25,24,19,.18))}
.brand-mark--sm{width:34px;height:34px}
.brand:hover .brand-mark{transform:rotate(-10deg)}
.brand-text{display:flex;flex-direction:column;line-height:1.15;min-width:0}
.brand-name{font-size:19px;font-weight:900;letter-spacing:-.02em;white-space:nowrap}
.brand-sub{font-size:11.5px;letter-spacing:.18em;color:var(--skin);white-space:nowrap}

/* 导航 */
.nav-drawer{display:contents}
.nav-island{margin-inline:auto;min-width:0}
.nav-list{display:flex;align-items:center;gap:4px;list-style:none;margin:0;padding:0}
.nav-link{
  display:inline-flex;align-items:center;height:36px;padding:0 14px;
  font-size:15px;font-weight:600;text-decoration:none;white-space:nowrap;
  border:1.5px solid transparent;border-radius:var(--pill);
  transition:background var(--dur) ease,border-color var(--dur) ease,color var(--dur) ease,transform var(--dur) ease,box-shadow var(--dur) ease;
}
.nav-link:hover{background:var(--pale-green);border-color:var(--kiwi-core);transform:translateY(-2px)}
.nav-link[aria-current="page"]{
  background:var(--kiwi-flesh);border-color:var(--seed);color:var(--seed);font-weight:800;
  box-shadow:inset 0 -3px 0 var(--kiwi-glow);
}

/* 操作区 */
.nav-actions{display:flex;align-items:center;gap:8px;flex:0 0 auto}

/* 收窄态 */
.site-header[data-scrolled] .brand-sub{display:none}
.site-header[data-scrolled] .brand-mark{width:34px;height:34px}
.site-header[data-scrolled] .nav-link{height:32px;font-size:14px;padding:0 11px}
.site-header[data-scrolled] .btn{height:32px;font-size:13.5px;padding:0 13px}

/* 移动按钮 */
.nav-toggle{
  display:none;align-items:center;gap:8px;margin-left:auto;
  background:transparent;border:2px solid var(--skin);border-radius:var(--pill);
  padding:7px 14px;font-size:14px;font-weight:700;color:var(--seed);cursor:pointer;
  transition:background var(--dur) ease,border-color var(--dur) ease;
}
.nav-toggle:hover{background:var(--pale-green);border-color:var(--kiwi-core)}
.nav-toggle-bars{display:inline-flex;flex-direction:column;gap:3px;width:18px}
.nav-toggle-bar{display:block;height:2px;background:var(--seed);border-radius:2px;transition:transform var(--dur) ease,width var(--dur) ease}
.nav-toggle-bar:nth-child(2){width:70%}
.site-header[data-open] .nav-toggle-bar:nth-child(1){transform:translateY(5px) rotate(38deg)}
.site-header[data-open] .nav-toggle-bar:nth-child(2){opacity:0}
.site-header[data-open] .nav-toggle-bar:nth-child(3){transform:translateY(-5px) rotate(-38deg)}

/* 阅读进度轨迹 */
.scroll-track{
  width:min(var(--shell),100%);height:4px;margin:6px auto 0;
  border-radius:2px;overflow:hidden;
  background:repeating-linear-gradient(90deg,rgba(107,74,43,.26) 0 8px,transparent 8px 14px);
}
.scroll-track-fill{
  display:block;width:100%;height:100%;
  transform:scaleX(0);transform-origin:0 50%;
  background:linear-gradient(90deg,var(--kiwi-flesh),var(--kiwi-glow));
  transition:transform .12s linear;
}

/* ==========================================================================
   页脚：深棕褐切角面板
   ========================================================================== */
.site-footer{
  margin-top:clamp(44px,7vw,100px);
  padding:0 var(--pad-x) 26px;
}
.footer-panel{
  position:relative;overflow:hidden;
  width:min(var(--shell),100%);margin-inline:auto;
  background:var(--skin);color:var(--paper);
  padding:clamp(28px,4vw,54px) clamp(20px,3.4vw,52px) clamp(18px,2.4vw,28px);
  border-top:3px solid var(--kiwi-flesh);
  clip-path:polygon(0 0,100% 0,100% calc(100% - 36px),calc(100% - 36px) 100%,28px 100%,0 calc(100% - 28px));
}
.footer-panel::before{
  content:"";position:absolute;right:-140px;top:-160px;width:440px;height:440px;pointer-events:none;
  background:
    radial-gradient(circle,rgba(107,191,58,.36) 0 26%,transparent 26.5%),
    radial-gradient(circle,rgba(200,255,61,.22) 0 41%,transparent 41.5%),
    radial-gradient(circle,rgba(245,240,225,.14) 0 63%,transparent 63.5%);
}
.footer-grid{
  position:relative;z-index:1;
  display:grid;
  grid-template-columns:1.5fr 1fr 1.35fr 1fr;
  gap:clamp(18px,3vw,46px);
}
.footer-col{min-width:0}
.footer-col--brand{display:flex;flex-direction:column;align-items:flex-start}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:12px}
.footer-brand .brand-name{color:var(--paper);font-size:18px}
.footer-claim{font-size:15px;line-height:1.7;color:rgba(245,240,225,.86);max-width:20em;margin-bottom:18px}
.footer-cta{color:var(--seed)}
.footer-cta:hover{box-shadow:4px 4px 0 var(--kiwi-glow)}
.footer-title{
  font-size:12.5px;font-weight:800;letter-spacing:.2em;
  color:var(--kiwi-glow);margin-bottom:14px;text-transform:uppercase;
}
.footer-title::after{content:"";display:block;width:26px;height:3px;margin-top:7px;background:var(--kiwi-flesh);transform:skewX(-18deg)}
.footer-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px}
.footer-list--contact{gap:14px}
.footer-item{min-width:0}
.footer-link{
  display:inline-block;font-size:14.5px;text-decoration:none;color:var(--paper);
  border-bottom:1px solid transparent;
  transition:color var(--dur) ease,border-color var(--dur) ease,transform var(--dur) ease;
}
.footer-link:hover{color:var(--kiwi-glow);border-bottom-color:var(--kiwi-glow);transform:translateX(3px)}
.footer-list--contact .footer-item{display:flex;flex-direction:column;gap:2px}
.footer-label{font-size:12px;letter-spacing:.14em;color:rgba(245,240,225,.62)}
.footer-value{font-size:14.5px;color:var(--paper);overflow-wrap:anywhere}
.footer-value--num{font-family:var(--font-num);letter-spacing:.04em;font-size:15.5px}
.footer-icp{font-family:var(--font-num);font-size:13.5px;color:rgba(245,240,225,.82)}
.footer-bottom{
  position:relative;z-index:1;
  display:flex;flex-wrap:wrap;align-items:center;gap:12px 22px;
  margin-top:clamp(24px,3vw,38px);padding-top:16px;
  border-top:1px dashed rgba(245,240,225,.3);
  font-size:13.5px;color:rgba(245,240,225,.75);
}
.footer-copy,.footer-meta{max-width:none}
.footer-bottom .to-top{margin-left:auto}
.to-top{
  cursor:pointer;font-size:13.5px;font-weight:800;color:var(--seed);
  background:var(--kiwi-glow);border:2px solid var(--seed);
  padding:8px 18px;
  clip-path:polygon(0 0,100% 0,100% calc(100% - 10px),calc(100% - 10px) 100%,0 100%);
  transition:background var(--dur) ease,transform var(--dur) ease;
}
.to-top:hover{background:var(--kiwi-flesh);transform:translateY(-3px)}
.to-top:focus-visible{outline:none;box-shadow:inset 0 0 0 3px var(--kiwi-glow),inset 0 0 0 6px var(--seed)}
.footer-panel :focus-visible{outline:2px solid var(--kiwi-glow);outline-offset:3px}
.site-header :focus-visible{outline-color:var(--kiwi-core)}

/* ==========================================================================
   响应式
   ========================================================================== */
@media (max-width:1080px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:clamp(20px,4vw,36px)}
  .footer-col--brand{grid-column:1 / -1}
}

@media (max-width:980px){
  .site-header{padding-top:10px}
  .nav-toggle{display:inline-flex}
  .nav-drawer{
    position:absolute;left:0;right:0;top:calc(100% + 10px);
    display:block;
    background:var(--paper-light);
    border:2px solid var(--skin);
    border-top:3px solid var(--kiwi-flesh);
    padding:0 clamp(12px,3vw,20px);
    max-height:0;opacity:0;visibility:hidden;overflow:hidden;
    clip-path:polygon(0 0,100% 0,100% calc(100% - 20px),calc(100% - 20px) 100%,0 100%);
    box-shadow:0 24px 44px rgba(25,24,19,.24);
    transition:max-height .28s ease,opacity .2s ease,visibility .28s ease,padding .28s ease;
  }
  .site-header[data-open] .nav-drawer{
    max-height:min(74vh,600px);opacity:1;visibility:visible;overflow-y:auto;
    padding:14px clamp(12px,3vw,20px) 16px;
  }
  .nav-island{margin:0;display:block}
  .nav-list{flex-direction:column;align-items:stretch;gap:6px}
  .nav-link{width:100%;height:44px;padding:0 14px;border-radius:12px}
  .nav-link:hover{transform:translateX(3px)}
  .nav-link[aria-current="page"]{box-shadow:inset 4px 0 0 var(--kiwi-glow)}
  .nav-actions{
    display:flex;gap:10px;margin-top:14px;padding-top:14px;
    border-top:1px dashed rgba(107,74,43,.4);
  }
  .nav-actions .btn{flex:1 1 0;min-width:0}
  .brand-sub{display:none}
}

@media (max-width:768px){
  .grid-seed{grid-template-columns:repeat(6,minmax(0,1fr))}
  .span-3,.span-4,.span-5,.span-6,.span-7,.span-8{grid-column:span 6}
  .panel,.card{padding:16px}
}

@media (max-width:640px){
  body{font-size:15.5px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:14px}
  .footer-bottom .to-top{margin-left:0;width:100%;text-align:center}
  .nav-actions{flex-direction:column}
  .nav-toggle-label{display:none}
  .nav-toggle{padding:8px 12px}
  .site-header[data-scrolled] .nav-link{font-size:14.5px}
}

/* ==========================================================================
   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;
  }
  html.has-js [data-reveal]{opacity:1;transform:none}
  .card:hover,.btn:hover,.chip:hover,.tab:hover,.fav-btn:hover,.to-top:hover,.footer-link:hover{transform:none}
}