/* ============================================================
   奇异果竞彩 /assets/site.css —— 共享外壳与基础组件
   结构：重置 → 变量 → 基础排版 → 版式工具 → 组件 → 命令栏 → 页脚 → 动效
   ============================================================ */

/* ---------- 1. 重置 ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body,h1,h2,h3,h4,p,figure,blockquote,dl,dd{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
img,svg,video{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
button{background:none;border:0;cursor:pointer}
table{border-collapse:collapse;width:100%}
:focus-visible{outline:3px solid var(--c-cyan);outline-offset:3px;border-radius:3px}

/* ---------- 2. 变量 ---------- */
:root{
  --c-seed:#0E1512;
  --c-board:#123326;
  --c-kiwi:#4FBF3F;
  --c-kiwi-lift:#6FD83A;
  --c-lime:#D7FF3E;
  --c-orange:#FF8A3D;
  --c-flesh:#F3F7EC;
  --c-grey:#8B978E;
  --c-rind:#6B5B3E;
  --c-cyan:#00E5B5;

  --ink:var(--c-seed);
  --ink-soft:rgba(14,21,18,.68);
  --on-dark:rgba(243,247,236,.82);
  --on-dark-soft:rgba(243,247,236,.58);
  --line-dark:rgba(243,247,236,.14);
  --line-light:rgba(14,21,18,.12);

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

  --bar-h:64px;
  --wrap:1320px;
  --gut:clamp(18px,4vw,52px);

  --r-xs:3px;
  --r-sm:6px;
  --r-md:12px;
  --r-lg:22px;
  --r-pill:999px;

  --ease:cubic-bezier(.22,.8,.28,1);
  --shadow-card:0 20px 44px -30px rgba(14,21,18,.6);
  --shadow-sheet:7px 7px 0 rgba(107,91,62,.18);
}

/* ---------- 3. 基础排版 ---------- */
body{
  font-family:var(--font-sans);
  font-size:17px;
  line-height:1.65;
  font-weight:400;
  color:var(--c-seed);
  background:var(--c-flesh);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
@media (max-width:640px){body{font-size:16px}}
html.is-nav-locked{overflow:hidden}

h1,h2,h3,h4{font-weight:800;line-height:1.08;letter-spacing:-.02em}
.h2{font-size:clamp(1.6rem,3.4vw,2.7rem)}
.h3{font-size:clamp(1.15rem,2vw,1.45rem)}
.display{font-weight:900;font-size:clamp(2.7rem,8.4vw,7rem);line-height:.94;letter-spacing:-.03em}
.display--tilt{transform:rotate(-3deg)}
.display--outline{color:transparent;-webkit-text-stroke:2px var(--c-lime)}
.lede{font-size:clamp(1rem,1.35vw,1.15rem);line-height:1.7;color:var(--ink-soft);max-width:62ch}
.num{font-family:var(--font-mono);font-weight:600;font-variant-numeric:tabular-nums}
.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}

/* ---------- 4. 版式工具 ---------- */
.shell{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 var(--gut)}
.shell--narrow{max-width:920px}
.section{padding:clamp(48px,7.5vw,110px) 0}
.section--dark{background:var(--c-seed);color:var(--c-flesh)}
.section--board{background:var(--c-board);color:var(--c-flesh)}
.section--flesh{background:var(--c-flesh);color:var(--c-seed)}
.section--edge{border-top:1px dashed rgba(107,91,62,.42)}
.stack{display:grid;gap:clamp(14px,2vw,24px)}

.eyebrow{display:inline-flex;align-items:center;gap:10px;font-family:var(--font-mono);font-size:12px;font-weight:600;letter-spacing:.2em;text-transform:uppercase;color:var(--c-kiwi)}
.eyebrow::before{content:"";width:24px;height:2px;background:currentColor}
.section--dark .eyebrow,.section--board .eyebrow{color:var(--c-lime)}
.section--dark .lede,.section--board .lede{color:var(--on-dark-soft)}

.grid{display:grid;gap:clamp(16px,2.4vw,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))}
.grid--auto{grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}
.grid--index{grid-template-columns:repeat(auto-fit,minmax(178px,1fr))}
.split{display:grid;gap:clamp(22px,4vw,56px);grid-template-columns:minmax(0,4fr) minmax(0,8fr);align-items:start}
.split--rev{grid-template-columns:minmax(0,7fr) minmax(0,5fr)}
.split--even{grid-template-columns:repeat(2,minmax(0,1fr))}
@media (max-width:900px){
  .grid--3,.grid--4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .split,.split--rev,.split--even{grid-template-columns:minmax(0,1fr)}
}
@media (max-width:560px){
  .grid--2,.grid--3,.grid--4{grid-template-columns:minmax(0,1fr)}
}

/* ---------- 5. 按钮 / 标签 ---------- */
.btn{display:inline-flex;align-items:center;gap:10px;padding:13px 22px;border:2px solid transparent;border-radius:var(--r-pill);font-size:15px;font-weight:800;letter-spacing:.01em;transition:transform .2s var(--ease),background-color .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease)}
.btn:hover{transform:translateY(-2px)}
.btn:active{transform:translateY(0)}
.btn--primary{background:var(--c-kiwi);color:var(--c-seed);box-shadow:0 12px 26px -14px rgba(79,191,63,.9)}
.btn--primary:hover{background:var(--c-kiwi-lift)}
.btn--lime{background:var(--c-lime);color:var(--c-seed)}
.btn--lime:hover{background:#e6ff7a}
.btn--orange{background:var(--c-orange);color:var(--c-seed)}
.btn--ghost{border-color:currentColor;color:inherit}
.btn--ghost:hover{background:rgba(79,191,63,.16);border-color:var(--c-kiwi)}

.tag{display:inline-flex;align-items:center;gap:6px;padding:4px 9px;border:1px solid currentColor;border-radius:var(--r-pill);font-family:var(--font-mono);font-size:11px;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--c-board)}
.tag--lime{color:var(--c-seed);background:var(--c-lime);border-color:transparent}
.tag--orange{color:var(--c-orange)}
.tag--kiwi{color:var(--c-kiwi)}

/* ---------- 6. 卡片 / 数据 / 图形 ---------- */
.card{position:relative;background:#fff;border:1px solid var(--line-light);border-radius:var(--r-md);padding:clamp(18px,2.4vw,28px);box-shadow:var(--shadow-card)}
.card--board{background:var(--c-board);border-color:rgba(215,255,62,.24);color:var(--c-flesh)}
.card--flat{background:transparent;box-shadow:none;border-color:var(--line-dark)}
.sheet{position:relative;background:var(--c-flesh);border:1px solid rgba(107,91,62,.42);border-radius:var(--r-xs);box-shadow:var(--shadow-sheet)}
.sheet--dark{background:var(--c-board);color:var(--c-flesh);border-color:rgba(215,255,62,.3);box-shadow:7px 7px 0 rgba(0,0,0,.35)}

.stat{display:grid;gap:4px;min-width:0}
.stat__num{font-family:var(--font-mono);font-weight:600;font-size:clamp(1.9rem,4.2vw,3.2rem);line-height:1;letter-spacing:-.03em;color:var(--c-kiwi)}
.stat__label{font-size:13px;color:var(--c-grey)}
.stat--lime .stat__num{color:var(--c-lime)}
.stat--orange .stat__num{color:var(--c-orange)}

.kernel{display:inline-block;width:96px;height:96px;border-radius:50%;border:1px dashed rgba(215,255,62,.55);background:radial-gradient(circle at 50% 50%,rgba(215,255,62,.9) 0 12%,rgba(79,191,63,.35) 13% 34%,transparent 35%)}
.kernel--sm{width:22px;height:22px;border-style:solid;border-color:rgba(79,191,63,.6)}

/* ---------- 7. 图片容器（页面阶段放置占位） ---------- */
.media{position:relative;overflow:hidden;border-radius:var(--r-md);aspect-ratio:16/9;isolation:isolate;background:linear-gradient(140deg,var(--c-board) 0%,var(--c-seed) 62%,#1b3a2a 100%)}
.media::after{content:"";position:absolute;inset:0;pointer-events:none;background-image:radial-gradient(circle at 14% 26%,rgba(215,255,62,.35) 0 2px,transparent 3px),radial-gradient(circle at 38% 62%,rgba(215,255,62,.28) 0 2px,transparent 3px),radial-gradient(circle at 74% 30%,rgba(0,229,181,.3) 0 2px,transparent 3px),radial-gradient(circle at 88% 74%,rgba(215,255,62,.25) 0 3px,transparent 4px),radial-gradient(circle at 58% 88%,rgba(255,138,61,.3) 0 2px,transparent 3px)}
.media > img,.media > picture img,.media__img{width:100%;height:100%;object-fit:cover}
.media--square{aspect-ratio:1/1}
.media--tall{aspect-ratio:4/5}
.media--wide{aspect-ratio:21/9}
.media--slice{clip-path:polygon(0 2%,100% 0,98% 100%,2% 97%)}
.media__cap{position:absolute;left:0;right:0;bottom:0;z-index:2;padding:16px;font-family:var(--font-mono);font-size:12px;letter-spacing:.04em;color:var(--c-flesh);background:linear-gradient(0deg,rgba(14,21,18,.88),rgba(14,21,18,0))}
.frame{border:1px solid rgba(107,91,62,.42);padding:10px;background:var(--c-flesh);box-shadow:var(--shadow-sheet)}

/* ---------- 8. 分段切换 ---------- */
.tabs{display:grid;gap:clamp(16px,2.4vw,26px)}
.tabs__list{display:inline-flex;flex-wrap:wrap;gap:6px;justify-self:start;padding:6px;border:1px solid var(--line-light);border-radius:var(--r-pill);background:rgba(14,21,18,.06)}
.tabs__btn{padding:9px 18px;border-radius:var(--r-pill);font-size:14px;font-weight:700;color:var(--ink-soft);transition:background-color .2s var(--ease),color .2s var(--ease)}
.tabs__btn:hover{color:var(--c-seed);background:rgba(79,191,63,.18)}
.tabs__btn[aria-selected="true"]{background:var(--c-seed);color:var(--c-lime)}
.tabs__panel{min-width:0}
.tabs__panel[hidden]{display:none}
.tabs--dark .tabs__list{background:rgba(243,247,236,.08);border-color:var(--line-dark)}
.tabs--dark .tabs__btn{color:var(--on-dark-soft)}
.tabs--dark .tabs__btn:hover{background:rgba(215,255,62,.16);color:var(--c-flesh)}
.tabs--dark .tabs__btn[aria-selected="true"]{background:var(--c-lime);color:var(--c-seed)}

/* ---------- 9. 面包屑 / 正文 ---------- */
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:9px;font-family:var(--font-mono);font-size:12px;letter-spacing:.06em;color:var(--c-grey)}
.crumbs__link{color:var(--c-board)}
.crumbs__link:hover{color:var(--c-kiwi);text-decoration:underline;text-underline-offset:4px}
.crumbs__sep{color:var(--c-grey);opacity:.7}
.crumbs__current{color:var(--c-seed)}
.section--dark .crumbs,.section--board .crumbs{color:var(--on-dark-soft)}
.section--dark .crumbs__link,.section--board .crumbs__link{color:var(--c-lime)}
.section--dark .crumbs__current,.section--board .crumbs__current{color:var(--c-flesh)}

.prose{max-width:72ch}
.prose h2{font-size:clamp(1.4rem,2.6vw,2rem);margin:1.6em 0 .5em}
.prose h3{font-size:clamp(1.1rem,1.8vw,1.35rem);margin:1.4em 0 .4em;color:var(--c-board)}
.prose p{margin:0 0 1em}
.prose ul{display:grid;gap:.5em;margin:0 0 1.2em;padding-left:1.1em;list-style:disc}
.prose li::marker{color:var(--c-kiwi)}
.prose a{color:var(--c-board);text-decoration:underline;text-decoration-color:var(--c-kiwi);text-underline-offset:4px}
.prose strong{font-weight:800}

/* ---------- 10. 命令栏 ---------- */
.cmd-bar{position:sticky;top:0;z-index:90;background:var(--c-seed);color:var(--c-flesh);border-bottom:1px solid rgba(79,191,63,.35);box-shadow:0 16px 36px -28px rgba(0,0,0,.95)}
.cmd-bar__glow{position:absolute;inset:0;pointer-events:none;background:radial-gradient(110% 190% at 6% 0%,rgba(79,191,63,.34),transparent 58%),radial-gradient(70% 150% at 100% 120%,rgba(0,229,181,.16),transparent 62%)}
.cmd-bar__rail{position:absolute;left:0;right:0;bottom:0;height:2px;background:rgba(243,247,236,.08);overflow:hidden}
.cmd-bar__rail-fill{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--c-kiwi) 0%,var(--c-lime) 70%,var(--c-orange) 100%);transition:width .1s linear}
.cmd-bar__inner{position:relative;display:flex;align-items:center;gap:clamp(12px,2vw,30px);height:var(--bar-h);max-width:var(--wrap);margin:0 auto;padding:0 var(--gut)}

.skip-link{position:absolute;left:14px;top:-64px;z-index:120;padding:10px 16px;border-radius:0 0 var(--r-sm) var(--r-sm);background:var(--c-lime);color:var(--c-seed);font-size:14px;font-weight:800;transition:top .22s var(--ease)}
.skip-link:focus{top:0}

.brand{display:flex;align-items:center;gap:11px;flex:0 0 auto}
.brand__mark{position:relative;flex:0 0 auto;width:34px;height:34px;border-radius:50%;background:radial-gradient(circle at 50% 50%,var(--c-flesh) 0 36%,var(--c-kiwi-lift) 37% 60%,var(--c-kiwi) 61% 100%);box-shadow:inset 0 0 0 2px rgba(14,21,18,.5),0 0 0 1px rgba(215,255,62,.5);transition:transform .45s var(--ease)}
.brand:hover .brand__mark{transform:rotate(24deg)}
.brand__seeds{position:absolute;inset:0;border-radius:50%;background-image:radial-gradient(circle at 50% 50%,var(--c-seed) 0 6%,transparent 6.6%),radial-gradient(circle at 50% 21%,var(--c-seed) 0 7%,transparent 7.6%),radial-gradient(circle at 72% 33%,var(--c-seed) 0 7%,transparent 7.6%),radial-gradient(circle at 79% 58%,var(--c-seed) 0 7%,transparent 7.6%),radial-gradient(circle at 64% 80%,var(--c-seed) 0 7%,transparent 7.6%),radial-gradient(circle at 36% 80%,var(--c-seed) 0 7%,transparent 7.6%),radial-gradient(circle at 21% 58%,var(--c-seed) 0 7%,transparent 7.6%),radial-gradient(circle at 28% 33%,var(--c-seed) 0 7%,transparent 7.6%)}
.brand__text{display:grid;gap:1px;line-height:1.15}
.brand__name{font-size:15px;font-weight:800;letter-spacing:.04em;color:var(--c-flesh)}
.brand__meta{display:inline-flex;align-items:center;gap:6px;font-family:var(--font-mono);font-size:10px;letter-spacing:.1em;text-transform:uppercase;color:var(--on-dark-soft)}
.season-dot{width:6px;height:6px;border-radius:50%;background:var(--c-lime);animation:dotPulse 2.8s var(--ease) infinite}
@keyframes dotPulse{0%{box-shadow:0 0 0 0 rgba(215,255,62,.7)}70%{box-shadow:0 0 0 7px rgba(215,255,62,0)}100%{box-shadow:0 0 0 0 rgba(215,255,62,0)}}

.nav{display:flex;align-items:center;gap:clamp(8px,1.4vw,20px);margin-left:auto;min-width:0}
.nav__list{display:flex;align-items:center;gap:2px}
.nav__item{min-width:0}
.nav__link{position:relative;display:inline-flex;align-items:baseline;gap:6px;padding:9px 11px;border-radius:var(--r-sm);font-size:15px;font-weight:700;color:var(--on-dark);transition:color .2s var(--ease),background-color .2s var(--ease)}
.nav__link:hover{color:var(--c-flesh);background:rgba(79,191,63,.18)}
.nav__idx{font-family:var(--font-mono);font-size:10px;font-weight:600;letter-spacing:.08em;color:var(--c-grey);transition:color .2s var(--ease)}
.nav__link:hover .nav__idx{color:var(--c-lime)}
.nav__text{white-space:nowrap}
.nav__link[aria-current="page"]{color:#fff}
.nav__link[aria-current="page"] .nav__idx{color:var(--c-lime)}
.nav__link[aria-current="page"]::after{content:"";position:absolute;left:11px;right:11px;bottom:2px;height:3px;border-radius:3px;background:var(--c-lime);box-shadow:0 0 12px rgba(215,255,62,.75)}
.nav__tail{display:flex;align-items:center;gap:9px;padding-left:clamp(8px,1.2vw,16px);border-left:1px solid var(--line-dark)}
.version-chip{display:inline-block;padding:5px 10px;border:1px dashed rgba(215,255,62,.5);border-radius:var(--r-pill);background:rgba(215,255,62,.1);font-family:var(--font-mono);font-size:11px;font-weight:600;letter-spacing:.06em;color:var(--c-lime);white-space:nowrap}
.cmd-bar__support{display:inline-flex;align-items:center;padding:8px 14px;border-radius:var(--r-pill);background:var(--c-kiwi);color:var(--c-seed);font-size:13px;font-weight:800;white-space:nowrap;transition:background-color .2s var(--ease),transform .2s var(--ease)}
.cmd-bar__support:hover{background:var(--c-lime);transform:translateY(-1px)}

.nav-toggle{display:none;align-items:center;gap:9px;margin-left:auto;padding:8px 14px;border:1px solid rgba(215,255,62,.45);border-radius:var(--r-pill);font-family:var(--font-mono);font-size:12px;font-weight:600;letter-spacing:.12em;color:var(--c-lime)}
.nav-toggle__bars{display:grid;gap:4px;width:18px}
.nav-toggle__bars i{display:block;height:2px;border-radius:2px;background:currentColor;transition:transform .26s var(--ease),opacity .2s var(--ease)}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars i:nth-child(1){transform:translateY(6px) 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(-6px) rotate(-45deg)}
.nav-toggle__label{line-height:1}

@media (max-width:1180px){
  .nav__link{padding:9px 8px;font-size:14px}
  .nav__idx{display:none}
}
@media (max-width:960px){
  :root{--bar-h:60px}
  .nav-toggle{display:inline-flex}
  .nav{position:fixed;left:0;right:0;top:var(--bar-h);bottom:0;z-index:85;margin:0;display:flex;flex-direction:column;align-items:stretch;gap:0;padding:20px var(--gut) 48px;overflow-y:auto;background:linear-gradient(180deg,var(--c-board),var(--c-seed) 72%);border-top:1px solid rgba(79,191,63,.35);opacity:0;visibility:hidden;pointer-events:none;transform:translateY(-14px);transition:opacity .3s var(--ease),transform .3s var(--ease),visibility .3s}
  .nav[data-open]{opacity:1;visibility:visible;pointer-events:auto;transform:none}
  .nav__list{flex-direction:column;align-items:stretch;gap:0}
  .nav__link{display:flex;align-items:center;gap:14px;padding:16px 12px;border-radius:0;border-bottom:1px dashed var(--line-dark);font-size:21px}
  .nav__link:hover{background:rgba(79,191,63,.14)}
  .nav__idx{display:inline-block;font-size:12px}
  .nav__link[aria-current="page"]{background:rgba(215,255,62,.1)}
  .nav__link[aria-current="page"]::after{left:0;right:auto;top:14px;bottom:14px;width:4px;height:auto;border-radius:3px}
  .nav__tail{flex-wrap:wrap;margin-top:26px;padding:22px 0 0;border-left:0;border-top:1px solid var(--line-dark)}
}

/* ---------- 11. 页脚 ---------- */
.site-foot{position:relative;overflow:hidden;background:var(--c-seed);color:var(--on-dark)}
.site-foot::before{content:"";position:absolute;inset:0;pointer-events:none;background:radial-gradient(80% 120% at 92% 0%,rgba(79,191,63,.24),transparent 58%),radial-gradient(70% 100% at 0% 100%,rgba(0,229,181,.12),transparent 62%)}
.site-foot__rind{position:relative;height:7px;background:repeating-linear-gradient(90deg,var(--c-kiwi) 0 16px,rgba(14,21,18,0) 16px 28px)}
.site-foot__inner{position:relative;display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,2.6fr);gap:clamp(28px,4vw,60px);max-width:var(--wrap);margin:0 auto;padding:clamp(38px,6vw,74px) var(--gut) clamp(26px,4vw,44px)}
.brand--foot{margin-bottom:16px}
.brand--foot .brand__name{font-size:17px}
.site-foot__pitch{max-width:34ch;font-size:15px;line-height:1.7;color:var(--on-dark-soft)}
.site-foot__seal{display:inline-flex;align-items:center;gap:9px;margin-top:16px;font-family:var(--font-mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--c-lime)}
.foot-index{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:clamp(18px,3vw,34px)}
.foot-index__col{min-width:0}
.foot-index__title{display:flex;align-items:baseline;gap:8px;margin-bottom:14px;padding-bottom:12px;border-bottom:1px dashed rgba(215,255,62,.35);font-size:14px;font-weight:800;letter-spacing:.06em;color:var(--c-flesh)}
.foot-index__num{font-family:var(--font-mono);font-size:11px;font-weight:600;color:var(--c-kiwi)}
.foot-index__list{display:grid;gap:9px}
.foot-index__link{display:inline-block;font-size:14px;color:var(--on-dark-soft);transition:color .2s var(--ease),transform .2s var(--ease)}
.foot-index__link:hover{color:var(--c-lime);transform:translateX(3px)}
.foot-index__list--contact{gap:12px}
.foot-contact{display:grid;gap:2px}
.foot-contact__key{font-family:var(--font-mono);font-size:10px;letter-spacing:.14em;text-transform:uppercase;color:var(--c-kiwi)}
.foot-contact__val{font-size:13.5px;color:var(--c-flesh);word-break:break-word}
.foot-note{margin-top:14px;max-width:30ch;font-size:12px;line-height:1.7;color:var(--on-dark-soft)}
.site-foot__base{position:relative;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px;max-width:var(--wrap);margin:0 auto;padding:18px var(--gut) 26px;border-top:1px solid var(--line-dark)}
.site-foot__legal,.site-foot__ver{font-family:var(--font-mono);font-size:11.5px;letter-spacing:.05em;color:var(--on-dark-soft)}
.version-chip--foot{color:var(--c-lime)}
@media (max-width:1024px){
  .site-foot__inner{grid-template-columns:minmax(0,1fr)}
  .foot-index{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:560px){
  .foot-index{grid-template-columns:minmax(0,1fr)}
  .site-foot__base{justify-content:flex-start}
}

/* ---------- 12. 动效 ---------- */
.to-top{position:fixed;right:clamp(14px,3vw,30px);bottom:clamp(14px,3vw,30px);z-index:88;display:inline-flex;align-items:center;justify-content:center;width:46px;height:46px;border-radius:50%;background:var(--c-lime);color:var(--c-seed);font-size:17px;font-weight:900;box-shadow:0 14px 30px -14px rgba(0,0,0,.75);opacity:0;pointer-events:none;transform:translateY(12px);transition:opacity .25s var(--ease),transform .25s var(--ease),background-color .2s var(--ease)}
.to-top.is-on{opacity:1;pointer-events:auto;transform:none}
.to-top:hover{background:var(--c-kiwi-lift)}

[data-reveal]{opacity:0;transform:translateY(20px);transition:opacity .6s var(--ease),transform .6s var(--ease);transition-delay:var(--reveal-delay,0s)}
[data-reveal].is-in{opacity:1;transform:none}
[data-reveal].is-in .stat__num{animation:numPop .55s var(--ease) both}
@keyframes numPop{0%{opacity:.4;transform:translateY(8px) scale(.94)}60%{transform:translateY(-2px) scale(1.02)}100%{opacity:1;transform:none}}

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