/* ==========================================================================
   奇异果体育 · 共享样式 /assets/site.css
   数字果仓：侧边品牌轨道 + 框架式导航 + 珠宝色分区
   ========================================================================== */

:root{
  --kiwi:#38B24B;
  --kiwi-deep:#17663A;
  --teal:#0D3B3A;
  --indigo:#3A3272;
  --wine:#7C2B3B;
  --gold:#E2A62B;
  --core:#F5E7A8;
  --brown:#6C4A2E;
  --ink:#14181A;
  --paper:#F8F6EF;
  --glass:rgba(255,255,255,.14);
  --seed:#0A2A22;

  --rail:88px;
  --bar:64px;
  --shell:1240px;
  --ease:cubic-bezier(.2,.8,.2,1);

  --sans:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --mono:"JetBrains Mono","IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}

/* ---------- 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,dt,dd{margin:0}
ul,ol{padding:0;list-style:none}
img,svg,video{display:block;max-width:100%}
a{color:inherit}
button,input,select,textarea{font:inherit;color:inherit}
button{background:none;border:0;cursor:pointer}
h1,h2,h3,h4{font-weight:800;letter-spacing:-.005em}

/* ---------- 中文排版基线 ---------- */
body{
  font-family:var(--sans);
  font-size:17px;
  line-height:1.75;
  color:var(--ink);
  background:var(--paper);
  padding-left:var(--rail);
  padding-top:var(--bar);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
p{max-width:70ch}
strong{font-weight:800}

:focus-visible{outline:3px solid var(--gold);outline-offset:2px;border-radius:8px}
#main-content:focus{outline:none}

/* ---------- skip link ---------- */
.skip-link{
  position:fixed;
  top:-120px;
  left:calc(var(--rail) + 14px);
  z-index:200;
  background:var(--ink);
  color:var(--paper);
  font-size:14px;
  font-weight:700;
  letter-spacing:.04em;
  padding:12px 20px;
  border-radius:0 0 14px 14px;
  text-decoration:none;
  transition:top .22s var(--ease);
}
.skip-link:focus{top:0}

/* ---------- 框架头 ---------- */
.site-frame{position:relative;z-index:70}

.rail{
  position:fixed;
  left:0;top:0;bottom:0;
  width:var(--rail);
  background:var(--kiwi-deep);
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:16px;
  padding:14px 0 16px;
  overflow:hidden;
  z-index:70;
}
.rail::after{
  content:"";
  position:absolute;inset:0;
  background:repeating-linear-gradient(45deg,rgba(255,255,255,.05) 0 2px,transparent 2px 13px);
  pointer-events:none;
}
.rail__brand{
  position:relative;z-index:1;
  display:flex;flex-direction:column;align-items:center;gap:10px;
  text-decoration:none;color:#fff;padding-top:6px;
}
.rail__seed{
  width:14px;height:14px;border-radius:50%;
  background:radial-gradient(circle at 34% 32%,var(--core),var(--gold) 70%);
  box-shadow:0 0 0 4px rgba(226,166,43,.2);
}
.rail__word{
  writing-mode:vertical-rl;
  font-size:13px;font-weight:900;letter-spacing:.3em;
  color:#EAF3EC;
}
.rail-nav{
  position:relative;z-index:1;
  flex:1;width:100%;
  display:flex;flex-direction:column;align-items:center;gap:6px;
  overflow-y:auto;scrollbar-width:none;
}
.rail-nav::-webkit-scrollbar{display:none}
.rail-nav__item{
  display:flex;flex-direction:column;align-items:center;gap:6px;
  width:calc(100% - 16px);
  padding:9px 0;
  border-radius:14px;
  text-decoration:none;
  color:rgba(234,243,236,.72);
  transition:background .2s var(--ease),color .2s var(--ease);
}
.rail-nav__item:hover{color:#fff;background:rgba(255,255,255,.08)}
.rail-nav__num{
  font-family:var(--mono);font-size:11px;font-weight:500;
  letter-spacing:.08em;color:var(--gold);
}
.rail-nav__label{
  writing-mode:vertical-rl;
  font-size:12px;letter-spacing:.16em;
}
.rail-nav__item[aria-current="page"]{background:rgba(255,255,255,.14);color:#fff}
.rail-nav__item[aria-current="page"] .rail-nav__label{color:var(--core);font-weight:700}
.rail__stamp{
  position:relative;z-index:1;
  writing-mode:vertical-rl;
  font-family:var(--mono);font-size:10px;letter-spacing:.22em;
  color:rgba(234,243,236,.42);
}

.frame-bar{
  position:fixed;
  top:0;left:var(--rail);right:0;
  height:var(--bar);
  display:flex;
  align-items:center;
  gap:clamp(12px,2vw,28px);
  padding:0 clamp(14px,2.4vw,34px);
  background:rgba(248,246,239,.9);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(20,24,26,.12);
  z-index:60;
}
.frame-bar::before{
  content:"";
  position:absolute;left:0;right:0;top:0;height:3px;
  background:linear-gradient(90deg,var(--kiwi) 0 34%,var(--gold) 34% 58%,var(--indigo) 58% 100%);
}
.frame-bar__tools{display:flex;align-items:center;gap:10px;margin-left:auto;flex:none}

.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);flex:none}
.brand__seed{
  width:22px;height:22px;border-radius:50%;
  background:radial-gradient(circle at 34% 30%,var(--core),var(--kiwi) 62%,var(--kiwi-deep));
  box-shadow:inset 0 0 0 2px rgba(10,42,34,.16);
  flex:none;
}
.brand__text{display:flex;flex-direction:column;line-height:1.15}
.brand__name{font-size:17px;font-weight:900;letter-spacing:.02em}
.brand__tag{font-family:var(--mono);font-size:10px;letter-spacing:.06em;color:var(--brown)}

.tool-search{
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 15px;border-radius:999px;
  border:1.5px solid var(--ink);
  font-size:14px;font-weight:700;text-decoration:none;color:var(--ink);
  transition:background .2s var(--ease),color .2s var(--ease);
}
.tool-search:hover{background:var(--ink);color:var(--paper)}
.tool-search__icon{
  position:relative;flex:none;
  width:12px;height:12px;border-radius:50%;
  border:2px solid currentColor;
}
.tool-search__icon::after{
  content:"";position:absolute;right:-5px;bottom:-4px;
  width:7px;height:2px;background:currentColor;transform:rotate(45deg);
}

.sync{position:relative}
.sync__trigger{
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 15px;border-radius:999px;
  background:var(--core);
  border:1px solid rgba(108,74,46,.3);
  font-size:14px;font-weight:700;
  transition:background .2s var(--ease);
}
.sync__trigger:hover{background:#F0DC8C}
.sync__dot{
  width:8px;height:8px;border-radius:50%;flex:none;
  background:var(--kiwi);
  box-shadow:0 0 0 3px rgba(56,178,75,.22);
}
.sync__panel{
  position:absolute;right:0;top:calc(100% + 12px);
  width:min(324px,80vw);
  background:#fff;
  border:1px solid rgba(20,24,26,.12);
  border-radius:18px;
  padding:18px;
  box-shadow:0 22px 50px rgba(10,42,34,.22);
  z-index:80;
}
.sync__panel[hidden]{display:none}
.sync__title{font-size:16px;font-weight:800;margin-bottom:6px}
.sync__text{font-size:14px;line-height:1.7;color:var(--brown);margin-bottom:14px}

.nav-toggle{
  display:none;align-items:center;gap:8px;
  padding:9px 15px;border-radius:999px;
  border:1.5px solid var(--ink);
  font-size:14px;font-weight:700;
  transition:background .2s var(--ease),color .2s var(--ease);
}
.nav-toggle__bars{display:flex;flex-direction:column;gap:3px;width:18px}
.nav-toggle__bars i{
  display:block;height:2px;border-radius:2px;background:currentColor;
  transition:transform .24s var(--ease),opacity .24s var(--ease);
}
.nav-toggle[aria-expanded="true"]{background:var(--ink);color:var(--paper)}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars i:nth-child(1){transform:translateY(5px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars i:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars i:nth-child(3){transform:translateY(-5px) rotate(-45deg)}

.site-nav{margin-inline:auto}
.site-nav__list{display:flex;align-items:center;gap:2px}
.site-nav__list a{
  display:block;
  padding:9px 13px;
  border-radius:999px;
  border:1px solid transparent;
  font-size:15px;font-weight:600;
  text-decoration:none;color:var(--ink);
  transition:background .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease);
}
.site-nav__list a:hover{background:rgba(56,178,75,.14);border-color:rgba(56,178,75,.32)}
.site-nav__list a[aria-current="page"]{background:var(--kiwi-deep);color:#fff;border-color:var(--kiwi-deep)}

.nav-scrim{
  position:fixed;inset:0;
  background:rgba(10,42,34,.52);
  z-index:55;
}
.nav-scrim[hidden]{display:none}

.scroll-progress{
  position:fixed;
  left:var(--rail);right:0;top:var(--bar);
  height:3px;
  background:rgba(20,24,26,.08);
  z-index:59;
}
.scroll-progress__bar{
  display:block;height:100%;width:0;
  background:linear-gradient(90deg,var(--kiwi),var(--gold));
  transition:width .12s linear;
}

/* ---------- 页脚 ---------- */
.site-foot{
  position:relative;
  background:var(--kiwi-deep);
  color:#DCEBE0;
  padding:clamp(44px,6vw,84px) 0 26px;
  overflow:hidden;
}
.site-foot::before{
  content:"";
  position:absolute;inset:0;
  background:
    radial-gradient(900px 340px at 12% -10%,rgba(56,178,75,.4),transparent 70%),
    radial-gradient(700px 300px at 96% 8%,rgba(226,166,43,.18),transparent 72%),
    repeating-linear-gradient(45deg,rgba(255,255,255,.045) 0 2px,transparent 2px 16px);
  pointer-events:none;
}
.site-foot__inner{
  position:relative;
  display:grid;
  grid-template-columns:1.5fr repeat(3,1fr);
  gap:clamp(20px,3vw,42px);
  width:100%;max-width:var(--shell);
  margin-inline:auto;
  padding-inline:clamp(16px,3.4vw,44px);
}
.foot-brand{display:flex;flex-direction:column;align-items:flex-start;gap:12px}
.foot-brand__link{display:inline-flex;align-items:center;gap:10px;text-decoration:none;color:#fff}
.foot-brand__seed{
  width:20px;height:20px;border-radius:50%;
  background:radial-gradient(circle at 34% 30%,var(--core),var(--gold) 70%);
  flex:none;
}
.foot-brand__name{font-size:19px;font-weight:900;letter-spacing:.02em}
.foot-brand__tag{font-family:var(--mono);font-size:12px;letter-spacing:.08em;color:rgba(220,235,224,.72)}
.foot-brand__cta{margin-top:4px}

.foot-col{min-width:0}
.foot-col__title{
  display:flex;align-items:baseline;gap:8px;
  font-size:15px;font-weight:800;color:#fff;
  margin-bottom:14px;
}
.foot-col__num{font-family:var(--mono);font-size:11px;letter-spacing:.08em;color:var(--gold)}
.foot-col__list{display:grid;gap:9px}
.foot-col__list a{
  font-size:15px;color:rgba(220,235,224,.82);
  text-decoration:none;
  border-bottom:1px solid transparent;
  transition:color .2s var(--ease),border-color .2s var(--ease);
}
.foot-col__list a:hover{color:var(--gold);border-bottom-color:var(--gold)}
.foot-col__list--plain li{display:flex;flex-wrap:wrap;gap:8px;font-size:15px;color:rgba(220,235,224,.82)}
.foot-col__k{
  font-family:var(--mono);font-size:11px;letter-spacing:.08em;
  color:var(--gold);min-width:34px;
}
.foot-col__v{word-break:break-all}

.site-foot__meta{
  position:relative;
  width:100%;max-width:var(--shell);
  margin:clamp(28px,4vw,48px) auto 0;
  padding:22px clamp(16px,3.4vw,44px) 0;
  border-top:1px solid rgba(255,255,255,.16);
  display:flex;flex-wrap:wrap;gap:10px 26px;align-items:center;
}
.site-foot__addr{font-size:14px;color:rgba(220,235,224,.72);margin:0}
.site-foot__legal{display:flex;flex-wrap:wrap;gap:8px 18px}
.site-foot__legal a{
  font-size:14px;color:#CDE3D5;text-decoration:none;
  border-bottom:1px solid rgba(205,227,213,.34);
  padding-bottom:2px;
  transition:color .2s var(--ease),border-color .2s var(--ease);
}
.site-foot__legal a:hover{color:var(--gold);border-bottom-color:var(--gold)}
.site-foot__copy{font-size:13px;color:rgba(220,235,224,.6);margin-left:auto}

/* ---------- 通用容器与节段 ---------- */
.shell{
  width:100%;max-width:var(--shell);
  margin-inline:auto;
  padding-inline:clamp(16px,3.4vw,44px);
}
.section{padding:clamp(40px,6vw,88px) 0}
.section__head{
  display:flex;flex-wrap:wrap;align-items:baseline;gap:12px 18px;
  margin-bottom:clamp(20px,3vw,38px);
}
.split{
  display:grid;
  grid-template-columns:minmax(220px,300px) 1fr;
  gap:clamp(20px,3vw,48px);
  align-items:start;
}
.grid{display:grid;gap:clamp(16px,2.2vw,28px)}
.grid--2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid--4{grid-template-columns:repeat(4,minmax(0,1fr))}

/* ---------- 色块分区 ---------- */
.slab{
  position:relative;
  padding:clamp(44px,6vw,92px) 0;
}
.slab--teal{background:var(--teal);color:#E6F1EA}
.slab--rind{background:var(--kiwi-deep);color:#EAF3EC}
.slab--indigo{background:var(--indigo);color:#EFEEF9}
.slab--wine{background:var(--wine);color:#F8EBEE}
.slab--core{background:var(--core);color:var(--ink)}
.slab--teal::after,
.slab--rind::after,
.slab--indigo::after{
  content:"";
  position:absolute;inset:0;
  background:repeating-linear-gradient(45deg,rgba(255,255,255,.05) 0 2px,transparent 2px 15px);
  pointer-events:none;
}
.slab > *{position:relative;z-index:1}
.cut-top{clip-path:polygon(0 3vw,100% 0,100% 100%,0 100%);padding-top:calc(clamp(44px,6vw,92px) + 3vw)}

/* ---------- 文字层级 ---------- */
.h-display{font-size:clamp(34px,5.4vw,64px);line-height:1.05;font-weight:900;letter-spacing:-.015em}
.h-xl{font-size:clamp(26px,3.4vw,40px);line-height:1.15;font-weight:900}
.h-md{font-size:24px;line-height:1.3;font-weight:800}
.stat-num{
  font-family:var(--sans);
  font-size:clamp(56px,10vw,96px);
  line-height:1;
  font-weight:900;
  letter-spacing:-.035em;
  color:var(--gold);
}
.eyebrow{
  display:inline-block;
  font-family:var(--mono);font-size:12px;font-weight:500;
  letter-spacing:.16em;text-transform:uppercase;
  color:var(--brown);
}
.index-num{font-family:var(--mono);font-size:12px;font-weight:500;letter-spacing:.08em;color:var(--gold)}
.slab--teal .eyebrow,.slab--rind .eyebrow,.slab--indigo .eyebrow,.slab--wine .eyebrow{color:var(--core)}
.prose{font-size:17px;line-height:1.75;max-width:70ch}
.prose p + p{margin-top:1em}
.muted{color:var(--brown)}
.slab--teal .muted,.slab--rind .muted,.slab--indigo .muted{color:rgba(230,241,234,.7)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:12px 24px;
  border-radius:999px;
  border:1px solid transparent;
  font-size:15px;font-weight:700;
  text-decoration:none;
  transition:transform .2s var(--ease),background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.btn:hover{transform:translateY(-2px)}
.btn--primary{background:var(--kiwi);color:#06210E}
.btn--primary:hover{background:#2FA043}
.btn--gold{background:var(--gold);color:#2A1B00}
.btn--gold:hover{background:#F0B63C}
.btn--ghost{border-color:currentColor;color:inherit}
.btn--ghost:hover{background:rgba(255,255,255,.12)}
.btn--sm{padding:8px 16px;font-size:13px}

/* ---------- 面包屑 ---------- */
.crumbs{font-family:var(--mono);font-size:12px;letter-spacing:.06em;padding:18px 0 0}
.crumbs ol{display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.crumbs li{display:flex;align-items:center;gap:8px}
.crumbs li::after{content:"/";color:var(--brown);opacity:.55}
.crumbs li:last-child::after{content:""}
.crumbs a{text-decoration:none;color:var(--brown)}
.crumbs a:hover{color:var(--kiwi-deep);text-decoration:underline}
.crumbs [aria-current="page"]{color:var(--ink);font-weight:700}

/* ---------- 卡片 ---------- */
.card{
  background:#fff;
  border:1px solid rgba(20,24,26,.1);
  border-radius:20px;
  padding:clamp(18px,2.4vw,28px);
}
.card--glass{
  background:var(--glass);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border:1px solid rgba(255,255,255,.24);
  color:#fff;
}
.card--glass .muted{color:rgba(255,255,255,.72)}

/* ---------- 标签 ---------- */
.tag{
  display:inline-flex;align-items:center;gap:6px;
  font-family:var(--mono);font-size:12px;letter-spacing:.06em;
  padding:4px 11px;border-radius:999px;
  background:rgba(56,178,75,.14);
  color:var(--kiwi-deep);
  border:1px solid rgba(56,178,75,.32);
}
.tag--gold{background:rgba(226,166,43,.18);color:#6B4A05;border-color:rgba(226,166,43,.42)}
.tag--wine{background:rgba(124,43,59,.14);color:var(--wine);border-color:rgba(124,43,59,.3)}
.slab--teal .tag,.slab--rind .tag,.slab--indigo .tag,.slab--wine .tag{
  background:rgba(255,255,255,.14);
  color:var(--core);
  border-color:rgba(255,255,255,.26);
}

/* ---------- 图片占位容器 ---------- */
.media{
  position:relative;
  overflow:hidden;
  border-radius:22px;
  aspect-ratio:16 / 10;
  background:
    radial-gradient(120% 90% at 18% 12%,rgba(245,231,168,.96),transparent 62%),
    linear-gradient(140deg,var(--kiwi) 0%,var(--kiwi-deep) 62%,var(--seed) 100%);
}
.media::after{
  content:"";
  position:absolute;inset:0;
  background:repeating-linear-gradient(45deg,rgba(255,255,255,.14) 0 2px,transparent 2px 16px);
  pointer-events:none;
}
.media > img,.media > svg{width:100%;height:100%;object-fit:cover;position:relative;z-index:1}
.media--square{aspect-ratio:1 / 1}
.media--wide{aspect-ratio:21 / 9}
.media--tall{aspect-ratio:3 / 4}
.media__cap{
  margin-top:10px;
  font-family:var(--mono);font-size:12px;letter-spacing:.06em;
  color:var(--brown);
}
.slab--teal .media__cap,.slab--rind .media__cap,.slab--indigo .media__cap{color:rgba(255,255,255,.7)}

/* ---------- 手风琴 ---------- */
.accordion{border-top:1px solid rgba(20,24,26,.14)}
.accordion__item{border-bottom:1px solid rgba(20,24,26,.14)}
.accordion__trigger{
  display:flex;align-items:center;gap:14px;
  width:100%;padding:18px 4px;
  text-align:left;
  font-size:17px;font-weight:700;
  transition:color .2s var(--ease);
}
.accordion__trigger:hover{color:var(--kiwi-deep)}
.accordion__icon{
  position:relative;flex:none;
  margin-left:auto;
  width:22px;height:22px;border-radius:50%;
  border:1px solid currentColor;
}
.accordion__icon::before,
.accordion__icon::after{
  content:"";position:absolute;left:50%;top:50%;
  background:currentColor;
  transform:translate(-50%,-50%);
}
.accordion__icon::before{width:10px;height:1.5px}
.accordion__icon::after{width:1.5px;height:10px;transition:transform .24s var(--ease)}
.accordion__trigger[aria-expanded="true"] .accordion__icon::after{transform:translate(-50%,-50%) scaleY(0)}
.accordion__panel{padding:0 4px 22px;animation:panelIn .24s var(--ease)}
.accordion__panel[hidden]{display:none}
.slab--teal .accordion,.slab--indigo .accordion,.slab--rind .accordion{border-top-color:rgba(255,255,255,.24)}
.slab--teal .accordion__item,.slab--indigo .accordion__item,.slab--rind .accordion__item{border-bottom-color:rgba(255,255,255,.24)}

@keyframes panelIn{from{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:none}}

/* ---------- 检索建议 ---------- */
.suggest{position:relative}
.suggest__label{
  display:block;
  font-family:var(--mono);font-size:12px;letter-spacing:.12em;
  margin-bottom:10px;color:var(--brown);
}
.slab--teal .suggest__label,.slab--rind .suggest__label,.slab--indigo .suggest__label{color:var(--core)}
.suggest__row{
  display:flex;align-items:center;gap:10px;
  background:#fff;
  border:2px solid var(--ink);
  border-radius:16px;
  padding:4px 8px 4px 18px;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.suggest__row:focus-within{border-color:var(--kiwi);box-shadow:0 0 0 4px rgba(56,178,75,.18)}
.suggest__input{
  flex:1;min-width:0;
  border:0;outline:none;background:none;
  font-size:16px;padding:11px 0;
  color:var(--ink);
}
.suggest__input::placeholder{color:rgba(108,74,46,.6)}
.suggest__list{
  position:absolute;left:0;right:0;top:calc(100% + 8px);
  background:#fff;
  border:1px solid rgba(20,24,26,.14);
  border-radius:16px;
  padding:8px;
  max-height:320px;overflow:auto;
  box-shadow:0 20px 44px rgba(10,42,34,.2);
  z-index:40;
}
.suggest__list[hidden]{display:none}
.suggest__item a{
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding:10px 12px;
  border-radius:10px;
  font-size:15px;text-decoration:none;color:var(--ink);
  transition:background .16s var(--ease);
}
.suggest__item a:hover,.suggest__item a.is-active{background:var(--core)}
.suggest__meta{font-family:var(--mono);font-size:12px;color:var(--brown);flex:none}
.suggest__empty{padding:12px;font-size:14px;color:var(--brown)}

/* ---------- 勾选清单 ---------- */
.checklist{display:grid;gap:10px}
.checklist__item{
  display:flex;align-items:flex-start;gap:12px;
  padding:14px 16px;
  background:#fff;
  border:1px solid rgba(20,24,26,.14);
  border-radius:14px;
  cursor:pointer;
  transition:background .2s var(--ease),border-color .2s var(--ease);
}
.checklist__item input{
  margin-top:5px;flex:none;
  width:18px;height:18px;
  accent-color:var(--kiwi);
}
.checklist__item:has(input:checked){background:var(--core);border-color:var(--kiwi)}

/* ---------- 动画与显现 ---------- */
[data-reveal]{
  opacity:0;
  transform:translateY(14px);
  transition:opacity .5s var(--ease),transform .5s var(--ease);
}
[data-reveal].is-in{opacity:1;transform:none}
[data-spy-link]{transition:color .2s var(--ease),background .2s var(--ease)}
[data-current]{color:var(--kiwi-deep);font-weight:700}

.divider{height:1px;border:0;background:linear-gradient(90deg,currentColor,transparent);opacity:.24;margin:clamp(24px,3vw,40px) 0}

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

@media (max-width:1040px){
  .site-foot__inner{grid-template-columns:1fr 1fr}
  .site-foot__copy{margin-left:0}
}

@media (max-width:900px){
  :root{--rail:0px}
  body{padding-left:0}
  .rail{display:none}
  .frame-bar{left:0}
  .scroll-progress{left:0}
  .skip-link{left:14px}

  .nav-toggle{display:inline-flex}
  .site-nav{
    position:fixed;
    top:var(--bar);right:0;bottom:0;
    width:min(86vw,344px);
    margin:0;
    padding:24px 20px 32px;
    background:var(--teal);
    transform:translateX(103%);
    transition:transform .3s var(--ease);
    overflow-y:auto;
    z-index:58;
    box-shadow:-18px 0 44px rgba(10,42,34,.32);
  }
  .site-nav[data-open]{transform:translateX(0)}
  .site-nav__list{flex-direction:column;align-items:stretch;gap:6px}
  .site-nav__list a{
    padding:14px 16px;
    border-radius:14px;
    border-color:rgba(255,255,255,.14);
    color:#EAF3EC;
    font-size:16px;
  }
  .site-nav__list a:hover{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.26)}
  .site-nav__list a[aria-current="page"]{background:var(--kiwi);color:#06210E;border-color:var(--kiwi)}

  .tool-search__text{display:none}
  .tool-search{padding:9px 12px}

  .split{grid-template-columns:1fr}
  .grid--3,.grid--4{grid-template-columns:repeat(2,minmax(0,1fr))}
}

@media (max-width:680px){
  body{font-size:16px}
  .brand__name{font-size:16px}
  .sync__trigger span:last-child{display:none}
  .sync__trigger{padding:9px 12px}
  .sync__panel{position:fixed;left:14px;right:14px;top:calc(var(--bar) + 12px);width:auto}
  .grid--2,.grid--3,.grid--4{grid-template-columns:1fr}
  .site-foot__inner{grid-template-columns:1fr}
  .stat-num{font-size:clamp(48px,16vw,72px)}
}

/* ---------- 减少动效 ---------- */
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
    transition-delay:0ms !important;
  }
  [data-reveal]{opacity:1;transform:none}
  .btn:hover{transform:none}
}