/* ==========================================================================
   奇异果体育 /assets/site.css
   共享外壳：reset · 变量 · 中文排版 · 头部 · 页脚 · 基础组件
   ========================================================================== */

/* ---------- 00. 设计令牌 ---------- */
:root{
  --kiwi:#0F9D6C;
  --kiwi-deep:#0A6B4A;
  --lime:#C6F53C;
  --ink:#0B0F0E;
  --skin:#6E4B2A;
  --paper:#F7F6F1;
  --mist:#E6F4EC;
  --moss:#5B6B65;
  --alert:#D5452C;
  --steel:#2B3A44;

  --font-display:'Archivo Narrow','Oswald','Noto Sans SC','PingFang SC',sans-serif;
  --font-mono:'JetBrains Mono','IBM Plex Mono',ui-monospace,monospace;
  --font-body:system-ui,'Noto Sans SC','PingFang SC','Microsoft YaHei',sans-serif;

  --wrap:1280px;
  --gutter:clamp(16px,4vw,48px);
  --rail-h:34px;
  --bar-h:74px;

  --line:rgba(11,15,14,.13);
  --line-strong:rgba(11,15,14,.30);
  --line-dark:rgba(247,246,241,.12);

  --shadow-paper:6px 6px 0 rgba(110,75,42,.14), 12px 12px 0 rgba(110,75,42,.06);
  --ease:cubic-bezier(.2,.7,.3,1);
}

/* ---------- 01. Reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body,h1,h2,h3,h4,h5,p,ul,ol,li,figure,blockquote,dl,dd,address{margin:0}
ul,ol{list-style:none;padding:0}
img,svg,video{display:block;max-width:100%}
button{font:inherit;color:inherit;background:none;border:0;padding:0;cursor:pointer}
a{color:inherit;text-decoration:none}
address{font-style:normal}
table{border-collapse:collapse;width:100%}
hr{border:0;border-top:1px solid var(--line);margin:0}

:focus-visible{
  outline:3px solid var(--kiwi);
  outline-offset:2px;
  border-radius:2px;
}
.site-rail :focus-visible,
.site-footer :focus-visible{outline-color:var(--lime)}

::selection{background:var(--lime);color:var(--ink)}

/* ---------- 02. 中文排版基线 ---------- */
body{
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
p{max-width:34em}
h1,h2,h3,h4{font-weight:400;line-height:1.15;letter-spacing:.01em}
strong{font-weight:600}
small{font-size:12px}

/* ---------- 03. 通用容器与工具 ---------- */
.wrap{
  width:100%;
  max-width:var(--wrap);
  margin-inline:auto;
  padding-inline:var(--gutter);
}
.split{display:grid;gap:0;align-items:start}
@media (min-width:900px){
  .split-5-7{grid-template-columns:5fr 7fr}
  .split-7-5{grid-template-columns:7fr 5fr}
  .split-4-6{grid-template-columns:4fr 6fr}
  .split-6-4{grid-template-columns:6fr 4fr}
}

/* ---------- 04. 跳转链接 ---------- */
.skip-link{
  position:absolute;
  top:-140px;
  left:12px;
  z-index:200;
  padding:12px 22px;
  background:var(--ink);
  color:var(--lime);
  font-family:var(--font-mono);
  font-size:13px;
  letter-spacing:.08em;
  border-radius:2px;
  transition:top .2s var(--ease);
}
.skip-link:focus{top:12px}

/* ---------- 05. 头部外壳 ---------- */
.site-header{display:contents}

/* 5.1 顶部数据细条 */
.site-rail{
  display:flex;
  align-items:center;
  gap:clamp(12px,2vw,28px);
  min-height:var(--rail-h);
  padding:7px var(--gutter);
  background:var(--ink);
  color:rgba(247,246,241,.62);
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.08em;
}
.rail-mark{
  flex:0 0 auto;
  color:var(--lime);
  letter-spacing:.24em;
  white-space:nowrap;
}
.rail-batch{
  flex:1 1 auto;
  min-width:0;
  max-width:none;
  margin:0;
  overflow:hidden;
  text-overflow:ellipsis;
  white-space:nowrap;
  color:rgba(247,246,241,.58);
  font-size:11px;
}
.rail-utility{
  flex:0 0 auto;
  display:flex;
  gap:18px;
}
.rail-utility a{
  color:rgba(247,246,241,.74);
  padding-bottom:1px;
  border-bottom:1px solid transparent;
  transition:color .18s var(--ease), border-color .18s var(--ease);
}
.rail-utility a:hover{
  color:var(--lime);
  border-bottom-color:var(--lime);
}

/* 5.2 导航横梁 */
.header-bar{
  position:sticky;
  top:0;
  z-index:50;
  display:flex;
  align-items:center;
  gap:clamp(14px,2.4vw,30px);
  min-height:var(--bar-h);
  padding:0 var(--gutter);
  background:var(--paper);
  border-bottom:2px solid var(--ink);
}
.header-progress{
  position:absolute;
  left:0;
  bottom:-2px;
  height:2px;
  width:0;
  background:var(--kiwi);
  transition:width .12s linear;
}

/* 5.3 品牌 */
.brand{
  flex:0 0 auto;
  display:flex;
  align-items:center;
  gap:11px;
  padding:8px 0;
}
.brand-mark{
  position:relative;
  flex:0 0 auto;
  width:38px;
  height:38px;
  border-radius:10px;
  background:linear-gradient(145deg,var(--kiwi) 0%,var(--kiwi-deep) 100%);
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.2);
  overflow:hidden;
}
.brand-mark::before{
  content:"";
  position:absolute;
  inset:0;
  background:
    radial-gradient(circle at 50% 50%, var(--paper) 0 3.6px, transparent 4.6px),
    radial-gradient(circle at 50% 15%, var(--ink) 0 1.4px, transparent 2.2px),
    radial-gradient(circle at 83% 50%, var(--ink) 0 1.4px, transparent 2.2px),
    radial-gradient(circle at 50% 85%, var(--ink) 0 1.4px, transparent 2.2px),
    radial-gradient(circle at 17% 50%, var(--ink) 0 1.4px, transparent 2.2px),
    radial-gradient(circle at 74% 26%, var(--ink) 0 1.2px, transparent 2px),
    radial-gradient(circle at 26% 74%, var(--ink) 0 1.2px, transparent 2px);
  opacity:.92;
}
.brand-text{display:flex;flex-direction:column;gap:3px;line-height:1}
.brand-name{
  font-family:var(--font-display);
  font-size:19px;
  font-weight:500;
  letter-spacing:.11em;
  color:var(--ink);
}
.brand-tag{
  font-family:var(--font-mono);
  font-size:10px;
  letter-spacing:.16em;
  color:var(--moss);
}

/* 5.4 主导航 */
.site-nav{
  display:flex;
  align-items:center;
  gap:clamp(16px,2.2vw,30px);
  margin-left:auto;
}
.nav-list{display:flex;align-items:stretch}
.nav-list li + li{border-left:1px solid var(--line)}
.nav-list a{
  position:relative;
  display:flex;
  align-items:baseline;
  gap:7px;
  padding:26px 14px;
  font-family:var(--font-display);
  font-size:15px;
  letter-spacing:.07em;
  color:var(--ink);
  border-bottom:2px solid transparent;
  transition:color .18s var(--ease), background-color .18s var(--ease), border-color .18s var(--ease);
}
.nav-list a:hover{background:var(--mist);border-bottom-color:var(--kiwi-deep)}
.nav-num{
  font-family:var(--font-mono);
  font-size:10px;
  letter-spacing:0;
  color:var(--moss);
  transition:color .18s var(--ease);
}
.nav-list a:hover .nav-num{color:var(--kiwi-deep)}
.nav-list a[aria-current="page"]{
  background:var(--mist);
  color:var(--kiwi-deep);
  border-bottom-color:var(--kiwi);
}
.nav-list a[aria-current="page"] .nav-num{color:var(--kiwi)}
.nav-actions{
  display:flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
}

/* 5.5 移动端菜单按钮 */
.nav-toggle{
  display:none;
  align-items:center;
  gap:9px;
  margin-left:auto;
  padding:10px 14px;
  border:1.5px solid var(--ink);
  border-radius:2px;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.14em;
  color:var(--ink);
  transition:background-color .18s var(--ease), color .18s var(--ease);
}
.nav-toggle:hover{background:var(--ink);color:var(--paper)}
.nav-toggle-bars{
  position:relative;
  display:block;
  width:16px;
  height:1.5px;
  background:currentColor;
}
.nav-toggle-bars::before,
.nav-toggle-bars::after{
  content:"";
  position:absolute;
  left:0;
  width:16px;
  height:1.5px;
  background:currentColor;
  transition:transform .22s var(--ease), top .22s var(--ease);
}
.nav-toggle-bars::before{top:-5px}
.nav-toggle-bars::after{top:5px}

/* ---------- 06. 页脚 ---------- */
.site-footer{
  position:relative;
  margin-top:clamp(56px,8vw,110px);
  background:var(--ink);
  color:var(--paper);
  border-top:4px solid var(--kiwi);
}
.footer-top{
  display:grid;
  grid-template-columns:1fr;
  gap:clamp(28px,4vw,56px);
  max-width:var(--wrap);
  margin-inline:auto;
  padding:clamp(40px,6vw,72px) var(--gutter) clamp(30px,4vw,44px);
  border-bottom:1px solid var(--line-dark);
}
@media (min-width:860px){
  .footer-top{grid-template-columns:minmax(200px,1fr) 2.4fr}
}
.footer-brand{display:flex;flex-direction:column;gap:12px}
.footer-stamp{
  position:relative;
  width:46px;
  height:46px;
  border-radius:50%;
  background:linear-gradient(145deg,var(--kiwi) 0%,var(--kiwi-deep) 100%);
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.22);
}
.footer-stamp::before{
  content:"";
  position:absolute;
  inset:0;
  background:
    radial-gradient(circle at 50% 50%, var(--paper) 0 4.4px, transparent 5.6px),
    radial-gradient(circle at 50% 14%, var(--ink) 0 1.6px, transparent 2.4px),
    radial-gradient(circle at 86% 50%, var(--ink) 0 1.6px, transparent 2.4px),
    radial-gradient(circle at 50% 86%, var(--ink) 0 1.6px, transparent 2.4px),
    radial-gradient(circle at 14% 50%, var(--ink) 0 1.6px, transparent 2.4px);
  opacity:.92;
}
.footer-brand-name{
  font-family:var(--font-display);
  font-size:22px;
  font-weight:500;
  letter-spacing:.12em;
  max-width:none;
}
.footer-brand-tag{
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.18em;
  color:var(--lime);
  max-width:none;
}
.footer-cols{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(150px,1fr));
  gap:clamp(24px,3vw,44px);
}
.footer-col-title{
  font-family:var(--font-mono);
  font-size:11px;
  font-weight:400;
  letter-spacing:.2em;
  text-transform:uppercase;
  color:var(--lime);
  margin-bottom:14px;
}
.footer-col a{
  display:block;
  padding:8px 0;
  font-size:15px;
  line-height:1.5;
  color:rgba(247,246,241,.72);
  border-bottom:1px solid var(--line-dark);
  transition:color .18s var(--ease), padding-left .18s var(--ease);
}
.footer-col a:hover{color:var(--lime);padding-left:6px}

.footer-contact{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(230px,1fr));
  gap:clamp(18px,2.6vw,40px);
  max-width:var(--wrap);
  margin-inline:auto;
  padding:clamp(30px,4vw,44px) var(--gutter);
  border-bottom:1px solid var(--line-dark);
}
.contact-row{
  display:flex;
  flex-direction:column;
  gap:7px;
  padding-left:14px;
  border-left:2px solid var(--kiwi-deep);
}
.contact-key{
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--moss);
}
.contact-val{
  font-size:15px;
  line-height:1.6;
  color:var(--paper);
  word-break:break-word;
}

.footer-correction{
  background:var(--kiwi-deep);
  border-bottom:1px solid rgba(11,15,14,.35);
}
.footer-correction-inner{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:clamp(16px,2.4vw,32px);
  max-width:var(--wrap);
  margin-inline:auto;
  padding:clamp(26px,3.4vw,38px) var(--gutter);
}
.correction-text{max-width:52ch}
.correction-title{
  font-family:var(--font-display);
  font-size:20px;
  letter-spacing:.12em;
  color:var(--paper);
  margin-bottom:6px;
  max-width:none;
}
.correction-note{
  font-size:14px;
  line-height:1.7;
  color:rgba(247,246,241,.82);
  max-width:52ch;
}

.footer-legal{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:12px 26px;
  max-width:var(--wrap);
  margin-inline:auto;
  padding:22px var(--gutter) clamp(28px,3vw,40px);
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.06em;
  color:rgba(247,246,241,.5);
}
.legal-line{max-width:none}
.legal-links{display:flex;gap:20px;max-width:none}
.legal-links a{
  color:rgba(247,246,241,.6);
  border-bottom:1px solid transparent;
  transition:color .18s var(--ease), border-color .18s var(--ease);
}
.legal-links a:hover{color:var(--lime);border-bottom-color:var(--lime)}

/* ---------- 07. 返回顶部 ---------- */
.to-top{
  position:fixed;
  right:clamp(14px,2.6vw,30px);
  bottom:clamp(14px,2.6vw,30px);
  z-index:60;
  display:grid;
  place-items:center;
  width:46px;
  height:46px;
  background:var(--ink);
  color:var(--lime);
  border:1.5px solid var(--lime);
  border-radius:50%;
  font-family:var(--font-mono);
  font-size:16px;
  line-height:1;
  opacity:0;
  visibility:hidden;
  transform:translateY(10px);
  transition:opacity .24s var(--ease), transform .24s var(--ease), visibility .24s linear;
}
.to-top.is-shown{opacity:1;visibility:visible;transform:none}
.to-top:hover{background:var(--lime);color:var(--ink)}

/* ---------- 08. 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:11px 20px;
  border:1.5px solid transparent;
  border-radius:2px;
  font-family:var(--font-display);
  font-size:14px;
  letter-spacing:.1em;
  line-height:1;
  white-space:nowrap;
  transition:background-color .18s var(--ease), color .18s var(--ease),
             border-color .18s var(--ease), transform .18s var(--ease);
}
.btn:active{transform:translateY(1px)}
.btn-solid{background:var(--kiwi);color:#fff;border-color:var(--kiwi)}
.btn-solid:hover{background:var(--kiwi-deep);border-color:var(--kiwi-deep)}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line-strong)}
.btn-ghost:hover{background:var(--mist);border-color:var(--ink)}
.btn-lime{background:var(--lime);color:var(--ink);border-color:var(--lime)}
.btn-lime:hover{background:var(--paper);border-color:var(--paper)}
.btn-block{width:100%}

/* ---------- 09. 标签 ---------- */
.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:4px 10px;
  border:1px solid currentColor;
  border-radius:2px;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.1em;
  line-height:1.5;
}
.tag-kiwi{background:var(--mist);color:var(--kiwi-deep)}
.tag-lime{background:var(--ink);color:var(--lime)}
.tag-arch{background:rgba(110,75,42,.12);color:var(--skin)}
.tag-alert{background:rgba(213,69,44,.1);color:var(--alert)}

/* ---------- 10. 图片容器 ---------- */
.media{
  position:relative;
  display:block;
  overflow:hidden;
  width:100%;
  background:var(--mist);
  border:1px solid var(--line);
  border-radius:2px;
}
.media > img,
.media > svg,
.media > picture,
.media > picture > img,
.media > video{
  width:100%;
  height:100%;
  object-fit:cover;
}
.media-16x9{aspect-ratio:16/9}
.media-4x3{aspect-ratio:4/3}
.media-3x2{aspect-ratio:3/2}
.media-1x1{aspect-ratio:1/1}
.media-stack{box-shadow:var(--shadow-paper)}
.media-caption{
  display:block;
  margin-top:9px;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.06em;
  line-height:1.6;
  color:var(--moss);
  max-width:none;
}

/* ---------- 11. 纸张叠层与面板 ---------- */
.paper-stack{
  position:relative;
  background:var(--paper);
  border:1px solid var(--line-strong);
  box-shadow:var(--shadow-paper);
}
.panel{
  background:var(--mist);
  border:1px solid var(--line);
  border-left:3px solid var(--kiwi);
  border-radius:2px;
  padding:clamp(18px,2.4vw,28px);
}
.panel > p{max-width:60ch}

/* ---------- 12. 章节与页面开场 ---------- */
.section{padding-block:clamp(44px,6vw,88px)}
.section-title{
  font-family:var(--font-display);
  font-size:clamp(28px,3.6vw,40px);
  font-weight:300;
  letter-spacing:.05em;
  line-height:1.1;
  margin-bottom:14px;
}
.section-note{
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.08em;
  color:var(--moss);
  max-width:56ch;
}
.page-head{padding-block:clamp(32px,4.6vw,64px) clamp(22px,3vw,38px)}
.page-kicker{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.22em;
  text-transform:uppercase;
  color:var(--kiwi-deep);
  margin-bottom:16px;
}
.page-kicker::before{
  content:"";
  width:26px;
  height:2px;
  background:var(--kiwi);
}
.page-title{
  font-family:var(--font-display);
  font-size:clamp(38px,7vw,76px);
  font-weight:300;
  letter-spacing:.03em;
  line-height:1.02;
  text-transform:uppercase;
  color:var(--ink);
  margin-bottom:18px;
}
.page-lead{
  font-size:clamp(16px,1.5vw,18px);
  line-height:1.75;
  color:var(--moss);
  max-width:38em;
}
.meta-line{
  display:flex;
  flex-wrap:wrap;
  gap:10px 22px;
  margin-top:22px;
  padding-top:16px;
  border-top:1px solid var(--line);
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.08em;
  color:var(--moss);
}

/* ---------- 13. 面包屑 ---------- */
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:9px;
  padding-top:22px;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.1em;
  color:var(--moss);
}
.breadcrumb a{
  color:var(--moss);
  border-bottom:1px solid transparent;
  transition:color .18s var(--ease), border-color .18s var(--ease);
}
.breadcrumb a:hover{color:var(--kiwi-deep);border-bottom-color:var(--kiwi-deep)}
.breadcrumb li{display:flex;align-items:center;gap:9px}
.breadcrumb li + li::before{content:"/";color:var(--line-strong)}
.breadcrumb [aria-current="page"]{color:var(--ink)}

/* ---------- 14. 显现动效 ---------- */
[data-reveal]{
  opacity:0;
  transform:translateY(14px);
  transition:opacity .5s var(--ease), transform .5s var(--ease);
}
[data-reveal].is-visible{opacity:1;transform:none}

/* ---------- 15. 响应式：平板与手机 ---------- */
@media (max-width:1023px){
  :root{--bar-h:64px}

  .site-rail{padding-block:6px}
  .rail-batch{display:none}
  .rail-utility{margin-left:auto}

  .nav-toggle{display:inline-flex}

  .header-bar{gap:14px}

  .site-nav{
    position:fixed;
    top:0;
    left:0;
    right:0;
    z-index:40;
    display:flex;
    flex-direction:column;
    gap:6px;
    height:100%;
    max-height:100vh;
    padding:calc(var(--bar-h) + 30px) var(--gutter) 44px;
    background:var(--paper);
    border-right:1px solid var(--line);
    overflow-y:auto;
    transform:translateY(-103%);
    transition:transform .3s var(--ease), box-shadow .3s var(--ease);
  }
  body[data-open]{overflow:hidden}
  body[data-open] .site-nav{
    transform:translateY(0);
    box-shadow:0 30px 60px rgba(11,15,14,.24);
  }
  body[data-open] .nav-toggle{background:var(--ink);color:var(--paper)}

  .nav-list{flex-direction:column;align-items:stretch}
  .nav-list li + li{border-left:0;border-top:1px solid var(--line)}
  .nav-list a{
    width:100%;
    padding:17px 4px;
    font-size:21px;
    letter-spacing:.06em;
    border-bottom:0;
  }
  .nav-list a:hover{background:transparent;color:var(--kiwi-deep)}
  .nav-list a[aria-current="page"]{background:transparent;border-bottom:0}
  .nav-num{font-size:11px}

  .nav-actions{
    flex-direction:column;
    align-items:stretch;
    gap:10px;
    margin-top:22px;
    padding-top:22px;
    border-top:1px solid var(--line);
  }
  .nav-actions .btn{width:100%;padding:15px 20px;font-size:15px}
}

@media (max-width:640px){
  body{font-size:15.5px}
  .brand-mark{width:33px;height:33px}
  .brand-name{font-size:17px}
  .brand-tag{font-size:9px;letter-spacing:.13em}
  .footer-contact{grid-template-columns:1fr}
  .footer-correction-inner{flex-direction:column;align-items:flex-start}
  .footer-correction-inner .btn{width:100%}
  .footer-legal{flex-direction:column;align-items:flex-start}
  .page-title{font-size:clamp(32px,11vw,46px)}
}

/* ---------- 16. 降低动效偏好 ---------- */
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
    scroll-behavior:auto !important;
  }
  [data-reveal]{opacity:1;transform:none}
  .header-progress{transition:none}
}