/* =========================================================
   奇异果娱乐 · 共享样式表 /assets/site.css
   1 变量 / 2 重置 / 3 排版基座 / 4 通用组件
   5 页头 / 6 页脚 / 7 脚本组件 / 8 响应式 / 9 动效降级
   ========================================================= */

/* 1 变量 ------------------------------------------------- */
:root{
  --kiwi:#5FAE3F;
  --peel:#123C2B;
  --seed:#171A17;
  --lime:#C7F36B;
  --orange:#F28C3A;
  --pink:#F4A7B9;
  --cream:#F7F3E8;
  --sage:#DDE8D8;
  --berry:#7A2444;
  --indigo:#244A6B;
  --paper:#FFFDF6;

  --ink:#171A17;
  --ink-soft:#4B554A;
  --hair:rgba(23,26,23,.14);
  --hair-strong:rgba(23,26,23,.30);
  --hair-light:rgba(247,243,232,.26);

  --font-display:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,sans-serif;
  --font-body:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,-apple-system,sans-serif;
  --font-mono:ui-monospace,SFMono-Regular,"SF Mono",Menlo,Consolas,"Liberation Mono",monospace;

  --wrap:1180px;
  --gutter:clamp(16px,4vw,44px);
  --ease:cubic-bezier(.22,.61,.36,1);
}

/* 2 重置 ------------------------------------------------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body,h1,h2,h3,h4,h5,p,ul,ol,figure,blockquote,dl,dd,address{margin:0}
ul[class],ol[class]{list-style:none;padding:0;margin:0}
img,svg,video{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
address{font-style:normal}
::selection{background:var(--lime);color:var(--seed)}

/* 3 排版基座 --------------------------------------------- */
body{
  background:var(--cream);
  color:var(--ink);
  font-family:var(--font-body);
  font-size:17px;
  line-height:1.75;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
@media (min-width:1100px){body{font-size:18px}}

h1,h2,h3,h4,h5{
  font-family:var(--font-display);
  font-weight:800;
  line-height:1.12;
  letter-spacing:-.015em;
  color:var(--seed);
}
strong,b{font-weight:700;color:var(--seed)}
.mono{font-family:var(--font-mono);font-size:.78rem;letter-spacing:.06em}
.num{font-family:var(--font-mono);font-variant-numeric:tabular-nums;letter-spacing:.04em}

.display-1{
  font-family:var(--font-display);
  font-weight:800;
  font-size:clamp(38px,8vw,110px);
  line-height:.92;
  letter-spacing:-.03em;
}
.display-2{
  font-family:var(--font-display);
  font-weight:800;
  font-size:clamp(28px,5vw,60px);
  line-height:1;
  letter-spacing:-.025em;
}
.thin{font-weight:200}
.kicker{
  display:inline-flex;
  align-items:center;
  gap:.6em;
  font-family:var(--font-mono);
  font-size:.72rem;
  letter-spacing:.22em;
  color:var(--berry);
  text-transform:uppercase;
}
.lede{
  font-size:clamp(17px,1.6vw,21px);
  line-height:1.7;
  color:var(--ink-soft);
  max-width:34em;
}
.rule{height:1px;border:0;background:var(--hair-strong);margin-block:clamp(20px,3vw,34px)}

/* 4 通用组件 --------------------------------------------- */
.wrap{
  width:100%;
  max-width:var(--wrap);
  margin-inline:auto;
  padding-inline:var(--gutter);
}
.section{padding-block:clamp(38px,6.5vw,86px)}
.section--sage{background:var(--sage)}
.section--peel{background:var(--peel);color:var(--cream)}
.section--peel h2,.section--peel h3{color:var(--cream)}
.section--lime{background:var(--lime);color:var(--seed)}

:focus-visible{outline:3px solid var(--indigo);outline-offset:3px;border-radius:1px}
.site-nav :focus-visible{outline-color:var(--berry)}
.site-footer :focus-visible{outline-color:var(--lime)}

.skip-link{
  position:absolute;
  left:50%;
  top:0;
  z-index:400;
  transform:translate(-50%,-130%);
  background:var(--seed);
  color:var(--lime);
  font-family:var(--font-mono);
  font-size:.78rem;
  letter-spacing:.08em;
  padding:.72em 1.3em;
  border:1px solid var(--lime);
  transition:transform .18s var(--ease);
}
.skip-link:focus{transform:translate(-50%,0)}

/* 按钮 */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:.55em;
  font-family:var(--font-display);
  font-weight:700;
  font-size:.95rem;
  line-height:1.2;
  letter-spacing:.01em;
  padding:.82em 1.4em;
  border:2px solid var(--seed);
  border-radius:2px;
  background:var(--cream);
  color:var(--seed);
  cursor:pointer;
  transition:background-color .18s var(--ease),color .18s var(--ease),
             border-color .18s var(--ease),transform .18s var(--ease);
}
.btn:hover{background:var(--seed);color:var(--lime);transform:translateY(-2px)}
.btn--primary{background:var(--kiwi);border-color:var(--seed);color:var(--seed)}
.btn--primary:hover{background:var(--peel);color:var(--lime);border-color:var(--peel)}
.btn--lime{background:var(--lime);border-color:var(--seed);color:var(--seed)}
.btn--lime:hover{background:var(--seed);color:var(--lime)}
.btn--berry{background:var(--berry);border-color:var(--berry);color:var(--cream)}
.btn--berry:hover{background:var(--seed);border-color:var(--seed);color:var(--lime)}
.btn--ghost{background:transparent}
.btn--sm{padding:.55em 1em;font-size:.85rem}
.btn-row{display:flex;flex-wrap:wrap;gap:12px}

/* 标签 */
.chip{
  display:inline-flex;
  align-items:center;
  gap:.4em;
  font-family:var(--font-mono);
  font-size:.7rem;
  letter-spacing:.08em;
  padding:.34em .64em;
  border:1px solid var(--hair-strong);
  background:var(--cream);
  color:var(--seed);
  white-space:nowrap;
}
.chip--lime{background:var(--lime);border-color:var(--lime)}
.chip--orange{background:var(--orange);border-color:var(--orange);color:var(--seed)}
.chip--pink{background:var(--pink);border-color:var(--pink);color:var(--seed)}
.chip--berry{background:var(--berry);border-color:var(--berry);color:var(--cream)}
.chip--outline{background:transparent}

/* 面包屑 */
.crumbs{padding-block:16px;font-family:var(--font-mono);font-size:.74rem;letter-spacing:.06em}
.crumbs__list{display:flex;flex-wrap:wrap;align-items:center;gap:.55em}
.crumbs__item{display:inline-flex;align-items:center;gap:.55em}
.crumbs__link{color:var(--indigo);border-bottom:1px solid rgba(36,74,107,.35);transition:background-color .18s var(--ease),color .18s var(--ease)}
.crumbs__link:hover{background:var(--lime);color:var(--seed);border-bottom-color:var(--seed)}
.crumbs__sep{color:var(--hair-strong)}
.crumbs__current{color:var(--ink-soft)}

/* 正文栏 */
.prose{max-width:38em;font-size:1.04rem;line-height:1.85;color:var(--ink)}
.prose p+p{margin-top:1.05em}
.prose h2{font-size:clamp(23px,3vw,33px);margin-top:1.9em;margin-bottom:.55em}
.prose h3{font-size:clamp(19px,2.1vw,23px);margin-top:1.5em;margin-bottom:.4em}
.prose a{color:var(--indigo);border-bottom:2px solid rgba(36,74,107,.3);transition:background-color .18s var(--ease),color .18s var(--ease)}
.prose a:hover{background:var(--lime);color:var(--seed);border-bottom-color:var(--seed)}
.prose ul,.prose ol{margin:1em 0 1em 1.2em;padding-left:.7em}
.prose li{margin-block:.45em}
.prose ul li::marker{color:var(--kiwi)}
.prose ol li::marker{color:var(--berry);font-family:var(--font-mono)}

/* 网格与卡片 */
.grid{display:grid;gap:clamp(14px,2.2vw,26px)}
.grid--2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid--asym{grid-template-columns:minmax(0,1.4fr) minmax(0,1fr)}

.card{
  display:flex;
  flex-direction:column;
  gap:.55em;
  padding:clamp(16px,2vw,24px);
  background:var(--paper);
  border:1px solid var(--hair-strong);
  border-top:6px solid var(--kiwi);
  border-radius:2px;
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),border-color .18s var(--ease);
}
.card:hover{transform:translateY(-3px);box-shadow:0 12px 0 -8px rgba(23,26,23,.22);border-color:var(--seed)}
.card__index{font-family:var(--font-mono);font-size:.7rem;letter-spacing:.16em;color:var(--berry)}
.card__title{font-family:var(--font-display);font-weight:800;font-size:clamp(18px,2vw,23px);line-height:1.2}
.card__meta{font-family:var(--font-mono);font-size:.72rem;color:var(--ink-soft);letter-spacing:.05em}
.card--accent{border-top-color:var(--kiwi)}
.card--orange{border-top-color:var(--orange)}
.card--pink{border-top-color:var(--pink)}
.card--berry{border-top-color:var(--berry)}

/* 章节抬头 */
.sec-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  border-bottom:1px solid var(--hair-strong);
  padding-bottom:.7em;
  margin-bottom:clamp(18px,3vw,32px);
}
.sec-head__title{font-family:var(--font-display);font-weight:800;font-size:clamp(22px,3vw,34px);letter-spacing:-.01em}
.sec-head__index{font-family:var(--font-mono);font-size:.72rem;letter-spacing:.2em;color:var(--kiwi)}

/* 图片容器基础 */
.media{display:block;width:100%;margin:0}
.media__frame{
  position:relative;
  width:100%;
  overflow:hidden;
  background:var(--sage);
  border:1px solid var(--hair-strong);
  border-radius:2px;
}
.media--16x9 .media__frame{aspect-ratio:16/9}
.media--4x3 .media__frame{aspect-ratio:4/3}
.media--1x1 .media__frame{aspect-ratio:1/1}
.media--wide .media__frame{aspect-ratio:21/9}
.media__frame--placeholder::after{
  content:"";
  position:absolute;
  inset:0;
  background-image:radial-gradient(circle,rgba(23,26,23,.16) 1.8px,transparent 2.4px);
  background-size:20px 20px;
  background-position:center;
  pointer-events:none;
}
.media__img{width:100%;height:100%;object-fit:cover;display:block}
.media__cap{font-family:var(--font-mono);font-size:.72rem;letter-spacing:.04em;color:var(--ink-soft);margin-top:.6em}

/* 5 页头 -------------------------------------------------- */
.site-header{position:relative;z-index:100;background:var(--cream)}

.site-utility{
  background:var(--seed);
  color:var(--cream);
  font-family:var(--font-mono);
  font-size:.72rem;
  letter-spacing:.07em;
}
.util-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  min-height:38px;
  padding-block:6px;
}
.util-note{
  display:inline-flex;
  align-items:center;
  gap:.65em;
  min-width:0;
  color:rgba(247,243,232,.74);
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}
.seed-dots{display:inline-flex;align-items:center;gap:4px;flex:0 0 auto}
.seed-dots i{display:block;width:5px;height:5px;border-radius:50%;background:var(--lime)}
.seed-dots i:nth-child(2){background:var(--orange)}
.seed-dots i:nth-child(3){background:var(--pink)}
.util-group{display:flex;align-items:center;gap:clamp(8px,1.6vw,20px);flex:0 0 auto}
.util-link{
  color:var(--cream);
  padding-bottom:2px;
  border-bottom:1px solid transparent;
  transition:color .18s var(--ease),border-color .18s var(--ease);
}
.util-link:hover{color:var(--lime);border-bottom-color:var(--lime)}
.version-tag{
  display:inline-flex;
  align-items:center;
  gap:.45em;
  padding:.22em .6em;
  color:var(--lime);
  border:1px solid rgba(199,243,107,.55);
  background:rgba(199,243,107,.12);
  white-space:nowrap;
  transition:background-color .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease);
}
.version-tag::before{content:"◆";font-size:.6em;line-height:1}
.version-tag:hover{background:var(--lime);color:var(--seed);border-color:var(--lime)}

.nav-toggle{
  display:none;
  align-items:center;
  gap:.55em;
  padding:.42em .7em;
  color:var(--lime);
  border:1px solid rgba(199,243,107,.55);
  font-family:var(--font-mono);
  font-size:.7rem;
  letter-spacing:.12em;
  transition:background-color .18s var(--ease),color .18s var(--ease);
}
.nav-toggle:hover{background:rgba(199,243,107,.16)}
.nav-toggle__bars{display:inline-flex;flex-direction:column;justify-content:center;gap:3px;width:15px}
.nav-toggle__bars i{display:block;height:2px;background:currentColor;transition:transform .2s var(--ease),opacity .2s var(--ease)}
.nav-toggle__label{line-height:1}
.site-header[data-open] .nav-toggle{background:var(--lime);color:var(--seed);border-color:var(--lime)}
.site-header[data-open] .nav-toggle__bars i:nth-child(1){transform:translateY(5px) rotate(45deg)}
.site-header[data-open] .nav-toggle__bars i:nth-child(2){opacity:0}
.site-header[data-open] .nav-toggle__bars i:nth-child(3){transform:translateY(-5px) rotate(-45deg)}

.site-masthead{
  position:relative;
  overflow:hidden;
  background:var(--kiwi);
  border-bottom:3px solid var(--seed);
}
.site-masthead::before{
  content:"";
  position:absolute;
  left:clamp(8px,4vw,64px);
  bottom:10px;
  width:78px;
  height:34px;
  background-image:radial-gradient(circle,rgba(23,26,23,.5) 2.4px,transparent 3px);
  background-size:17px 17px;
  opacity:.75;
  pointer-events:none;
}
.site-masthead::after{
  content:"";
  position:absolute;
  right:-46px;
  top:-58px;
  width:220px;
  height:220px;
  border-radius:50%;
  background:radial-gradient(circle at 34% 34%,rgba(247,243,232,.34),rgba(247,243,232,0) 62%);
  pointer-events:none;
}
.masthead-inner{
  position:relative;
  z-index:1;
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:.3em;
  text-align:center;
  padding-block:clamp(16px,3.2vw,32px);
}
.masthead-kicker{
  font-family:var(--font-mono);
  font-size:.68rem;
  letter-spacing:.34em;
  color:rgba(23,26,23,.72);
}
.brand{display:inline-flex;align-items:center;gap:.42em;color:var(--seed)}
.brand__seed{
  position:relative;
  flex:0 0 auto;
  width:clamp(15px,2.2vw,22px);
  height:clamp(15px,2.2vw,22px);
  border-radius:50%;
  background:var(--seed);
}
.brand__seed::before,
.brand__seed::after{
  content:"";
  position:absolute;
  border-radius:50%;
  background:var(--cream);
}
.brand__seed::before{width:32%;height:32%;right:-46%;top:6%}
.brand__seed::after{width:20%;height:20%;right:-14%;bottom:-42%}
.brand__name{
  font-family:var(--font-display);
  font-weight:800;
  font-size:clamp(30px,5.6vw,56px);
  line-height:1;
  letter-spacing:.05em;
  border-bottom:3px solid transparent;
  transition:border-color .18s var(--ease);
}
.brand:hover .brand__name{border-bottom-color:var(--seed)}
.brand__sub{
  font-family:var(--font-mono);
  font-size:.7rem;
  letter-spacing:.2em;
  color:rgba(23,26,23,.72);
}

.site-nav{
  display:block;
  background:var(--cream);
  border-bottom:1px solid var(--hair-strong);
}
.nav-inner{display:flex;justify-content:center}
.nav-list{display:flex;flex-wrap:wrap;justify-content:center;gap:clamp(2px,.6vw,8px)}
.nav-item{display:flex}
.nav-link{
  display:inline-flex;
  align-items:baseline;
  gap:.5em;
  padding:.92em clamp(9px,1.4vw,20px);
  font-family:var(--font-display);
  font-size:.95rem;
  font-weight:600;
  color:var(--seed);
  border-bottom:3px solid transparent;
  transition:background-color .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease);
}
.nav-num{
  font-family:var(--font-mono);
  font-size:.64rem;
  font-weight:400;
  letter-spacing:.06em;
  color:var(--kiwi);
  transition:color .18s var(--ease);
}
.nav-link:hover{background:var(--sage);border-bottom-color:var(--kiwi)}
.nav-link[aria-current="page"]{background:var(--kiwi);color:var(--seed);border-bottom-color:var(--seed)}
.nav-link[aria-current="page"] .nav-num{color:var(--peel)}

/* 6 页脚 -------------------------------------------------- */
.site-footer{background:var(--peel);color:var(--cream)}

.footer-cta{
  background:var(--lime);
  color:var(--seed);
  border-top:3px solid var(--seed);
  border-bottom:1px solid var(--hair-strong);
}
.footer-cta__inner{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding-block:clamp(18px,3vw,26px);
}
.footer-cta__text{
  font-family:var(--font-display);
  font-weight:800;
  font-size:clamp(19px,2.6vw,27px);
  line-height:1.15;
  letter-spacing:-.01em;
}
.footer-cta__sub{
  display:block;
  margin-top:.42em;
  font-family:var(--font-mono);
  font-weight:400;
  font-size:.7rem;
  letter-spacing:.14em;
  color:rgba(23,26,23,.72);
}

.footer-body{padding-block:clamp(30px,5vw,64px)}
.footer-top{
  display:flex;
  flex-wrap:wrap;
  align-items:flex-end;
  justify-content:space-between;
  gap:22px;
  padding-bottom:clamp(18px,2.6vw,30px);
  margin-bottom:clamp(22px,3.4vw,38px);
  border-bottom:1px solid var(--hair-light);
}
.footer-brand{display:flex;flex-direction:column;gap:.45em}
.footer-brand__name{
  font-family:var(--font-display);
  font-weight:800;
  font-size:clamp(26px,4vw,42px);
  line-height:1;
  letter-spacing:.04em;
  color:var(--cream);
}
.footer-brand__sub{
  font-family:var(--font-mono);
  font-size:.7rem;
  letter-spacing:.22em;
  color:rgba(247,243,232,.6);
}
.footer-seal{
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  width:86px;
  height:86px;
  border:2px solid var(--pink);
  border-radius:50%;
  color:var(--pink);
  font-family:var(--font-mono);
  font-size:.62rem;
  line-height:1.4;
  letter-spacing:.12em;
  text-align:center;
  transform:rotate(-8deg);
  flex:0 0 auto;
}

.footer-grid{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:clamp(18px,2.6vw,34px);
}
.footer-col{border-top:1px solid var(--hair-light);padding-top:14px;min-width:0}
.footer-col__title{
  font-family:var(--font-mono);
  font-size:.68rem;
  letter-spacing:.2em;
  color:var(--lime);
  margin-bottom:.85em;
}
.footer-list{display:flex;flex-direction:column;gap:.55em}
.footer-link{
  display:inline-block;
  font-size:.94rem;
  color:rgba(247,243,232,.84);
  padding-bottom:2px;
  border-bottom:1px solid transparent;
  transition:color .18s var(--ease),border-color .18s var(--ease);
}
.footer-link:hover{color:var(--lime);border-bottom-color:var(--lime)}

.footer-contact{display:flex;flex-direction:column;gap:.85em;font-size:.92rem;color:rgba(247,243,232,.84)}
.footer-contact__label{
  display:block;
  font-family:var(--font-mono);
  font-size:.64rem;
  letter-spacing:.18em;
  color:rgba(199,243,107,.78);
  margin-bottom:.15em;
}
.footer-contact__value{display:block;line-height:1.5;word-break:break-word}

.footer-note{
  margin-top:clamp(20px,3vw,30px);
  font-family:var(--font-mono);
  font-size:.7rem;
  line-height:1.8;
  letter-spacing:.04em;
  color:rgba(247,243,232,.56);
}
.footer-legal{border-top:1px solid var(--hair-light);padding-block:18px}
.footer-legal__inner{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:10px 22px;
  font-family:var(--font-mono);
  font-size:.71rem;
  letter-spacing:.04em;
  color:rgba(247,243,232,.62);
}
.footer-legal__links{display:flex;flex-wrap:wrap;gap:16px}
.footer-legal__link{transition:color .18s var(--ease)}
.footer-legal__link:hover{color:var(--lime)}

/* 7 脚本生成组件 ----------------------------------------- */
.scroll-progress{
  position:fixed;
  top:0;
  left:0;
  z-index:350;
  height:3px;
  width:0;
  background:linear-gradient(90deg,var(--kiwi),var(--lime));
  pointer-events:none;
}
.to-top{
  position:fixed;
  right:clamp(12px,3vw,28px);
  bottom:clamp(12px,3vw,28px);
  z-index:300;
  display:inline-flex;
  align-items:center;
  gap:.5em;
  padding:.68em .9em;
  background:var(--seed);
  color:var(--lime);
  border:1px solid var(--lime);
  font-family:var(--font-mono);
  font-size:.7rem;
  letter-spacing:.12em;
  opacity:0;
  visibility:hidden;
  transform:translateY(10px);
  transition:opacity .2s var(--ease),transform .2s var(--ease),visibility .2s var(--ease),
             background-color .18s var(--ease),color .18s var(--ease);
}
.to-top.is-visible{opacity:1;visibility:visible;transform:none}
.to-top:hover{background:var(--lime);color:var(--seed)}
.to-top__arrow{font-size:.95em;line-height:1}

:root.js [data-reveal]{
  opacity:0;
  transform:translateY(12px);
  transition:opacity .5s var(--ease),transform .5s var(--ease);
}
:root.js [data-reveal].is-visible{opacity:1;transform:none}

/* 8 响应式 ----------------------------------------------- */
@media (max-width:1024px){
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:900px){
  .nav-toggle{display:inline-flex}
  .site-nav{display:none;background:var(--peel);border-bottom:0}
  .site-header[data-open] .site-nav{display:block;animation:drawer-in .2s var(--ease) both}
  .nav-inner{padding-inline:0;justify-content:stretch}
  .nav-list{flex-direction:column;gap:0;padding-block:6px}
  .nav-item{border-bottom:1px dashed rgba(247,243,232,.22)}
  .nav-item:last-child{border-bottom:0}
  .nav-link{
    width:100%;
    padding:.95em var(--gutter);
    justify-content:flex-start;
    color:var(--cream);
    border-bottom:0;
    border-left:4px solid transparent;
  }
  .nav-num{color:var(--lime)}
  .nav-link:hover{background:rgba(199,243,107,.12);border-bottom-color:transparent;border-left-color:var(--lime)}
  .nav-link[aria-current="page"]{background:var(--lime);color:var(--peel);border-left-color:var(--seed);border-bottom-color:transparent}
  .nav-link[aria-current="page"] .nav-num{color:var(--berry)}
}
@keyframes drawer-in{
  from{opacity:0;transform:translateY(-8px)}
  to{opacity:1;transform:translateY(0)}
}
@media (max-width:860px){
  .grid--2,.grid--3,.grid--asym{grid-template-columns:minmax(0,1fr)}
}
@media (max-width:720px){
  .site-masthead::before,.site-masthead::after{display:none}
  .footer-top{align-items:flex-start}
  .footer-seal{width:74px;height:74px;font-size:.58rem}
}
@media (max-width:600px){
  .util-note{display:none}
  .util-inner{justify-content:flex-end}
  .masthead-kicker{letter-spacing:.22em}
  .brand__sub{letter-spacing:.12em;font-size:.65rem}
}
@media (max-width:520px){
  .footer-grid{grid-template-columns:minmax(0,1fr)}
  .footer-cta__inner{align-items:flex-start}
  .footer-legal__inner{font-size:.66rem}
  .to-top__text{display:none}
  .to-top{padding:.7em .8em;border-radius:50%}
}

/* 9 动效降级 --------------------------------------------- */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.001ms!important;
    animation-iteration-count:1!important;
    transition-duration:.001ms!important;
    scroll-behavior:auto!important;
  }
  :root.js [data-reveal]{opacity:1;transform:none}
  .card:hover,.btn:hover{transform:none}
}