/* ============================================================
   四季官网 / site.css
   深墨绿档案横梁 + 四季色轮 + 技术蓝图网格
   ============================================================ */

:root{
  --green-deep:#173F35;
  --green-drawer:#102C24;
  --warm-white:#F6F1E7;
  --card-white:#FFFCF4;
  --spring:#7FAE63;
  --summer:#2E6F8E;
  --autumn:#C86B2C;
  --winter:#C9D2D0;
  --path:#D6421F;
  --ink:#14201D;
  --wine:#6B2D46;
  --indigo:#4B3F72;
  --mist:#E9E4D8;
  --line:#A7B3AE;

  --font-sans:"Noto Sans SC","Source Han Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  --font-body:"Noto Serif SC","Source Han Serif SC","Songti SC","SimSun",Georgia,serif;
  --font-mono:"IBM Plex Mono","JetBrains Mono",ui-monospace,"SFMono-Regular",Menlo,Consolas,monospace;

  --page-max:1440px;
  --gutter:clamp(16px,3.2vw,44px);
  --header-h:78px;
  --ease:cubic-bezier(.22,.61,.36,1);
}

/* ---------- reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{
  -webkit-text-size-adjust:100%;
  scroll-behavior:smooth;
  scroll-padding-top:110px;
}
body{
  margin:0;
  min-height:100vh;
  background-color:var(--warm-white);
  background-image:
    linear-gradient(to right,rgba(167,179,174,.13) 1px,transparent 1px),
    linear-gradient(to bottom,rgba(167,179,174,.13) 1px,transparent 1px);
  background-size:24px 24px;
  color:var(--ink);
  font-family:var(--font-body);
  font-size:17px;
  line-height:1.85;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5,h6{
  margin:0;
  font-family:var(--font-sans);
  font-weight:900;
  line-height:1.2;
  letter-spacing:0;
  color:var(--green-deep);
}
h1{font-size:clamp(34px,5vw,64px)}
h2{font-size:clamp(26px,3.2vw,40px)}
h3{font-size:clamp(20px,2.2vw,26px)}
h4{font-size:18px;font-weight:800}
p{margin:0}
ul,ol{margin:0;padding:0}
li{list-style:none}
a{color:inherit;text-decoration:none}
img,picture,svg{display:block;max-width:100%}
img{height:auto}
button{font:inherit;color:inherit;background:none;border:0;padding:0;cursor:pointer}
input,textarea,select{font:inherit;color:inherit}
[hidden]{display:none !important}

:focus-visible{
  outline:3px solid var(--path);
  outline-offset:3px;
}
.site-header :focus-visible,
.site-footer :focus-visible{
  outline:3px solid var(--spring);
  outline-offset:3px;
}

.mono{font-family:var(--font-mono);letter-spacing:.06em;font-variant-numeric:tabular-nums}

/* ---------- 通用容器 ---------- */
.container{
  width:100%;
  max-width:var(--page-max);
  margin-inline:auto;
  padding-inline:var(--gutter);
}
.container--narrow{max-width:820px}
.prose{max-width:36em;font-size:17px;line-height:1.9}
.prose p{margin:0 0 1.1em}
.prose p:last-child{margin-bottom:0}
.prose h2,.prose h3{margin:1.6em 0 .6em}
.prose ul,.prose ol{margin:0 0 1.1em;padding-left:1.4em}
.prose li{list-style:disc;margin:.35em 0}
.stack > * + *{margin-top:1.2em}

/* ---------- 蓝图网格 ---------- */
.blueprint-grid{
  display:grid;
  grid-template-columns:repeat(12,minmax(0,1fr));
  gap:24px;
}

/* ---------- 章节标记 ---------- */
.section-head{
  display:flex;
  flex-wrap:wrap;
  align-items:baseline;
  gap:10px 16px;
  margin-bottom:18px;
}
.section-index{
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.16em;
  color:var(--indigo);
  text-transform:uppercase;
}
.season-band{
  display:block;
  height:6px;
  width:64px;
  background:var(--spring);
  flex:none;
}
.season-band--spring{background:var(--spring)}
.season-band--summer{background:var(--summer)}
.season-band--autumn{background:var(--autumn)}
.season-band--winter{background:var(--winter)}
.season-band--wine{background:var(--wine)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:13px 20px;
  font-family:var(--font-sans);
  font-size:15px;
  font-weight:800;
  line-height:1;
  letter-spacing:.02em;
  text-decoration:none;
  border:1px solid transparent;
  border-radius:2px;
  cursor:pointer;
  background:transparent;
  color:var(--green-deep);
  transition:background-color .18s var(--ease),color .18s var(--ease),
             border-color .18s var(--ease),transform .18s var(--ease);
}
.btn:hover{transform:translateY(-1px)}
.btn:active{transform:translateY(0)}
.btn--path{background:var(--path);color:#fff;font-size:18px}
.btn--path:hover{background:#b8361a;color:#fff}
.btn--sm{font-size:14px;padding:10px 15px}
.btn--solid{background:var(--green-deep);color:var(--warm-white)}
.btn--solid:hover{background:#0f2e26;color:var(--warm-white)}
.btn--outline{border-color:var(--green-deep);color:var(--green-deep)}
.btn--outline:hover{background:var(--green-deep);color:var(--warm-white)}
.btn--ghost{border-color:rgba(246,241,231,.5);color:var(--warm-white)}
.btn--ghost:hover{background:rgba(246,241,231,.14);color:#fff}

/* ---------- 标签 / 芯片 ---------- */
.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:2px 8px;
  font-family:var(--font-mono);
  font-size:12px;
  line-height:1.6;
  letter-spacing:.04em;
  border-radius:2px;
  white-space:nowrap;
}
.tag--spring{background:var(--spring);color:var(--ink)}
.tag--summer{background:var(--summer);color:#fff}
.tag--autumn{background:var(--autumn);color:#fff}
.tag--winter{background:var(--winter);color:var(--green-deep)}
.tag--indigo{background:var(--indigo);color:#fff}
.tag--wine{background:var(--wine);color:#fff}

.chip{
  padding:5px 13px;
  font-family:var(--font-sans);
  font-size:13px;
  font-weight:700;
  letter-spacing:.02em;
  color:rgba(246,241,231,.78);
  border:1px solid rgba(246,241,231,.28);
  border-radius:2px;
  transition:background-color .16s var(--ease),color .16s var(--ease),border-color .16s var(--ease);
}
.chip:hover{color:#fff;border-color:rgba(246,241,231,.6)}
.chip[aria-pressed="true"]{
  background:var(--warm-white);
  color:var(--green-deep);
  border-color:var(--warm-white);
}

/* ---------- 切角面板 ---------- */
.panel{
  --panel-accent:var(--spring);
  position:relative;
  background:var(--card-white);
  border:1px solid var(--line);
  border-top:6px solid var(--panel-accent);
  border-radius:0 0 14px 0;
  padding:22px clamp(16px,2.4vw,26px);
  transition:border-color .2s var(--ease),transform .2s var(--ease);
}
.panel:hover{border-color:var(--panel-accent);transform:translateY(-2px)}
.panel--spring{--panel-accent:var(--spring)}
.panel--summer{--panel-accent:var(--summer)}
.panel--autumn{--panel-accent:var(--autumn)}
.panel--winter{--panel-accent:var(--winter)}
.panel--wine{--panel-accent:var(--wine)}
.panel--indigo{--panel-accent:var(--indigo)}

/* ---------- 图片容器基础规则 ---------- */
.media{
  position:relative;
  overflow:hidden;
  background:var(--mist);
  border:1px solid var(--line);
  border-top:6px solid var(--spring);
  aspect-ratio:16/10;
}
.media > img,
.media > picture > img{
  width:100%;
  height:100%;
  object-fit:cover;
  display:block;
}
.media--spring{border-top-color:var(--spring)}
.media--summer{border-top-color:var(--summer)}
.media--autumn{border-top-color:var(--autumn)}
.media--winter{border-top-color:var(--winter)}
.media--indigo{border-top-color:var(--indigo)}
.media--tall{aspect-ratio:3/4}
.media--square{aspect-ratio:1/1}
.media--wide{aspect-ratio:21/9}
.media__caption{
  position:absolute;
  inset:auto 0 0 0;
  padding:8px 12px;
  background:rgba(23,63,53,.86);
  color:var(--warm-white);
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.08em;
  line-height:1.6;
}

/* ---------- 面包屑 ---------- */
.breadcrumb{padding:14px 0}
.breadcrumb__list{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.08em;
}
.breadcrumb__item{color:rgba(20,32,29,.62)}
.breadcrumb__item + .breadcrumb__item::before{
  content:"/";
  margin-right:8px;
  color:var(--line);
}
.breadcrumb__item a{color:var(--summer);border-bottom:1px solid currentColor}
.breadcrumb__step{
  color:var(--path);
  font-weight:700;
}

/* ============================================================
   头部
   ============================================================ */
.skip-link{
  position:absolute;
  left:12px;
  top:6px;
  z-index:120;
  padding:10px 18px;
  background:var(--path);
  color:#fff;
  font-family:var(--font-sans);
  font-weight:800;
  font-size:14px;
  text-decoration:none;
  transform:translateY(-180%);
  transition:transform .18s var(--ease);
}
.skip-link:focus{transform:translateY(0);color:#fff}

.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:var(--green-deep);
  color:var(--warm-white);
}
.site-header::after{
  content:"";
  position:absolute;
  left:0;
  right:0;
  bottom:0;
  height:4px;
  z-index:2;
  pointer-events:none;
  background:linear-gradient(90deg,
    var(--spring) 0 25%,
    var(--summer) 25% 50%,
    var(--autumn) 50% 75%,
    var(--winter) 75% 100%);
}
[data-scrolled] .site-header{
  box-shadow:0 10px 26px rgba(20,32,29,.22);
}

.site-header__inner{
  position:relative;
  max-width:var(--page-max);
  margin-inline:auto;
  padding-inline:var(--gutter);
  min-height:var(--header-h);
  display:grid;
  grid-template-columns:auto minmax(0,1fr) auto auto;
  grid-template-areas:"brand ticker nav tools";
  align-items:center;
  gap:clamp(10px,1.8vw,26px);
}

/* 品牌 */
.brand-mark{
  grid-area:brand;
  display:inline-flex;
  flex-direction:column;
  gap:2px;
  padding:10px 0;
  color:var(--warm-white);
}
.brand-mark__name{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-family:var(--font-sans);
  font-weight:900;
  font-size:22px;
  line-height:1.1;
  letter-spacing:.06em;
}
.brand-mark__mark{
  width:12px;
  height:14px;
  flex:none;
  background:linear-gradient(90deg,
    var(--spring) 0 25%,
    var(--summer) 25% 50%,
    var(--autumn) 50% 75%,
    var(--winter) 75% 100%);
}
.brand-mark__note{
  font-family:var(--font-mono);
  font-size:11px;
  line-height:1.5;
  letter-spacing:.07em;
  color:rgba(246,241,231,.66);
}

/* 更新编号胶囊 */
.site-ticker{
  grid-area:ticker;
  justify-self:center;
  display:inline-flex;
  align-items:center;
  gap:9px;
  padding:8px 13px;
  background:rgba(246,241,231,.07);
  border:1px solid rgba(246,241,231,.22);
  border-left:3px solid var(--spring);
  color:var(--warm-white);
  transition:background-color .2s var(--ease),border-color .2s var(--ease);
}
.site-ticker:hover{background:rgba(246,241,231,.15);border-color:rgba(246,241,231,.5);border-left-color:var(--spring)}
.site-ticker__id{
  font-size:12px;
  letter-spacing:.12em;
  color:var(--spring);
}
.site-ticker__label{
  font-family:var(--font-sans);
  font-size:13px;
  font-weight:700;
  letter-spacing:.03em;
}
.site-ticker__count{
  padding:0 6px;
  font-size:12px;
  line-height:1.7;
  background:var(--spring);
  color:var(--ink);
  border-radius:2px;
}

/* 导航 */
.site-nav{grid-area:nav;justify-self:end;min-width:0}
.nav-list{display:flex;align-items:center;gap:2px}
.nav-list__item{display:block}
.nav-link{
  position:relative;
  display:inline-block;
  padding:10px 11px;
  font-family:var(--font-sans);
  font-size:15px;
  font-weight:700;
  letter-spacing:.02em;
  color:rgba(246,241,231,.82);
  transition:color .18s var(--ease),background-color .18s var(--ease);
}
.nav-link::after{
  content:"";
  position:absolute;
  left:11px;
  right:11px;
  bottom:5px;
  height:2px;
  background:var(--autumn);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .22s var(--ease);
}
.nav-link:hover{color:#fff}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link[aria-current="page"]{
  color:#fff;
  background:rgba(200,107,44,.2);
}
.nav-link[aria-current="page"]::after{
  transform:scaleX(1);
  background:var(--autumn);
}

/* 头部工具 */
.header-tools{
  grid-area:tools;
  display:flex;
  align-items:center;
  gap:10px;
}

/* 移动菜单按钮 */
.nav-toggle{
  grid-area:tools;
  justify-self:end;
  display:none;
  align-items:center;
  gap:9px;
  padding:10px 13px;
  border:1px solid rgba(246,241,231,.38);
  color:var(--warm-white);
  font-family:var(--font-sans);
  font-size:14px;
  font-weight:800;
  letter-spacing:.04em;
  transition:background-color .18s var(--ease),border-color .18s var(--ease);
}
.nav-toggle:hover{background:rgba(246,241,231,.14);border-color:rgba(246,241,231,.7)}
.nav-toggle__bars{display:inline-flex;flex-direction:column;gap:3px;width:16px}
.nav-toggle__bars span{
  display:block;
  height:2px;
  background:currentColor;
  transition:transform .2s var(--ease),opacity .2s var(--ease);
}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:nth-child(1){transform:translateY(5px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:nth-child(3){transform:translateY(-5px) rotate(-45deg)}

/* 更新抽屉 */
.update-drawer{
  position:relative;
  z-index:3;
  background:var(--green-drawer);
  border-top:1px solid rgba(246,241,231,.16);
  color:var(--warm-white);
}
.update-drawer__inner{
  max-width:var(--page-max);
  margin-inline:auto;
  padding:20px var(--gutter) 26px;
  display:grid;
  gap:14px;
}
.update-drawer__head{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:10px 18px;
}
.update-drawer__title{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-family:var(--font-sans);
  font-weight:900;
  font-size:16px;
  letter-spacing:.03em;
}
.update-drawer__meta{
  padding:1px 7px;
  background:var(--indigo);
  color:#fff;
  font-size:11px;
  letter-spacing:.12em;
  border-radius:2px;
}
.update-drawer__more{
  font-family:var(--font-sans);
  font-size:13px;
  font-weight:700;
  color:var(--spring);
  border-bottom:1px solid rgba(127,174,99,.55);
  padding-bottom:1px;
}
.update-drawer__more:hover{color:#fff;border-bottom-color:#fff}
.update-drawer__filters{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
}
.update-drawer__list{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(260px,1fr));
  gap:6px 28px;
}
.update-item{
  display:flex;
  align-items:baseline;
  gap:10px;
  padding:7px 0 7px 11px;
  border-left:2px solid rgba(246,241,231,.18);
  font-size:14px;
  line-height:1.6;
}
.update-item[hidden]{display:none !important}
.update-item__date{
  flex:none;
  font-size:12px;
  color:rgba(246,241,231,.58);
}
.update-item__link{
  color:rgba(246,241,231,.92);
  border-bottom:1px solid rgba(246,241,231,.28);
  transition:border-color .16s var(--ease),color .16s var(--ease);
}
.update-item__link:hover{color:#fff;border-bottom-color:var(--spring)}

/* ============================================================
   页脚
   ============================================================ */
.site-footer{
  position:relative;
  margin-top:clamp(56px,8vw,120px);
  background:var(--green-deep);
  color:rgba(246,241,231,.86);
}
.site-footer::before{
  content:"";
  display:block;
  height:6px;
  background:linear-gradient(90deg,
    var(--spring) 0 25%,
    var(--summer) 25% 50%,
    var(--autumn) 50% 75%,
    var(--winter) 75% 100%);
}
.site-footer__grid{
  max-width:var(--page-max);
  margin-inline:auto;
  padding:clamp(30px,4.6vw,56px) var(--gutter) clamp(24px,3.6vw,40px);
  display:grid;
  gap:clamp(18px,2.6vw,34px);
  grid-template-columns:minmax(0,1.5fr) minmax(0,.85fr) minmax(0,.95fr) minmax(0,1.35fr);
  grid-template-areas:
    "brand nav tools contact"
    "brand updates updates updates";
  align-items:start;
}
.footer-block{
  min-width:0;
  border-top:1px solid rgba(246,241,231,.16);
  padding-top:16px;
}
.footer-block--brand{grid-area:brand}
.footer-block--nav{grid-area:nav}
.footer-block--tools{grid-area:tools}
.footer-block--contact{grid-area:contact}
.footer-block--updates{
  grid-area:updates;
  border-top:1px solid rgba(75,63,114,.9);
  background:rgba(75,63,114,.26);
  padding:16px 18px 18px;
  display:grid;
  gap:10px;
}

.footer-brand{
  margin:0 0 6px;
  font-family:var(--font-sans);
  font-weight:900;
  font-size:clamp(24px,2.8vw,32px);
  letter-spacing:.05em;
  line-height:1.2;
  color:var(--warm-white);
}
.footer-brand__note{
  margin:0 0 16px;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.06em;
  color:rgba(246,241,231,.6);
}
.footer-icp{
  margin:0 0 6px;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.08em;
  color:rgba(246,241,231,.62);
}
.footer-copy{
  margin:0;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.08em;
  color:rgba(246,241,231,.44);
}

.footer-title{
  margin:0 0 12px;
  font-family:var(--font-mono);
  font-size:12px;
  font-weight:500;
  letter-spacing:.16em;
  color:var(--spring);
  text-transform:uppercase;
}
.footer-links{display:grid;gap:7px}
.footer-links a{
  font-family:var(--font-sans);
  font-size:14px;
  font-weight:700;
  color:rgba(246,241,231,.82);
  border-bottom:1px solid transparent;
  padding-bottom:1px;
  transition:color .16s var(--ease),border-color .16s var(--ease);
}
.footer-links a:hover{color:#fff;border-bottom-color:var(--spring)}

.footer-contact{margin:0;display:grid;gap:11px}
.footer-contact dt{
  margin:0 0 2px;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.12em;
  color:rgba(246,241,231,.5);
}
.footer-contact dd{
  margin:0;
  font-size:14px;
  line-height:1.7;
  color:rgba(246,241,231,.9);
  overflow-wrap:anywhere;
}
.footer-note{
  margin:12px 0 0;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.08em;
  color:rgba(246,241,231,.55);
}

.footer-updates{display:grid;gap:8px}
.footer-update{
  display:flex;
  flex-wrap:wrap;
  align-items:baseline;
  gap:4px 10px;
  padding-left:10px;
  border-left:2px solid rgba(246,241,231,.24);
  font-size:14px;
  line-height:1.65;
}
.footer-update__date{
  flex:none;
  font-size:12px;
  color:rgba(246,241,231,.58);
}
.footer-update__text{color:rgba(246,241,231,.92)}
.footer-updates__more{
  justify-self:start;
  margin-top:2px;
  font-family:var(--font-sans);
  font-size:13px;
  font-weight:800;
  color:var(--spring);
  border-bottom:1px solid rgba(127,174,99,.55);
  padding-bottom:1px;
}
.footer-updates__more:hover{color:#fff;border-bottom-color:#fff}

.site-footer__legal{
  border-top:1px solid rgba(246,241,231,.16);
  background:rgba(0,0,0,.16);
}
.site-footer__legal-inner{
  max-width:var(--page-max);
  margin-inline:auto;
  padding:16px var(--gutter);
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:10px 24px;
}
.footer-legal__text{
  margin:0;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.05em;
  color:rgba(246,241,231,.55);
}
.footer-legal__list{display:flex;flex-wrap:wrap;gap:8px 18px}
.footer-legal__list a{
  font-family:var(--font-sans);
  font-size:13px;
  font-weight:700;
  color:rgba(246,241,231,.78);
  border-bottom:1px solid transparent;
  padding-bottom:1px;
}
.footer-legal__list a:hover{color:#fff;border-bottom-color:var(--winter)}

/* ============================================================
   显现与滚动状态
   ============================================================ */
.js [data-reveal]{
  opacity:0;
  transform:translateY(8px);
  transition:opacity .28s var(--ease),transform .28s var(--ease);
}
.js [data-reveal].is-revealed{
  opacity:1;
  transform:none;
}

/* ============================================================
   响应式
   ============================================================ */
@media (max-width:1240px){
  .site-ticker__label{display:none}
}

@media (max-width:1100px){
  :root{--header-h:64px}

  .site-header__inner{
    grid-template-columns:minmax(0,1fr) auto;
    grid-template-areas:"brand tools";
    gap:10px;
    min-height:64px;
  }
  .brand-mark__name{font-size:19px}
  .brand-mark__note{display:none}
  .site-ticker{display:none}
  .update-drawer{display:none}
  .header-tools{display:none}
  .nav-toggle{display:inline-flex}

  .site-nav{
    position:absolute;
    top:calc(100% + 4px);
    left:0;
    right:0;
    display:none;
    justify-self:stretch;
    padding:8px var(--gutter) 20px;
    background:var(--green-deep);
    border-top:1px solid rgba(246,241,231,.16);
    max-height:calc(100vh - 68px);
    overflow-y:auto;
  }
  .site-nav[data-open]{display:block}

  .nav-list{flex-direction:column;align-items:stretch;gap:0}
  .nav-link{
    display:flex;
    align-items:center;
    justify-content:space-between;
    width:100%;
    padding:14px 4px;
    font-size:17px;
    border-bottom:1px solid rgba(246,241,231,.14);
  }
  .nav-link::after{display:none}
  .nav-link[aria-current="page"]{
    background:transparent;
    box-shadow:inset 3px 0 0 var(--autumn);
    padding-left:14px;
  }

  .site-footer__grid{
    grid-template-columns:repeat(2,minmax(0,1fr));
    grid-template-areas:
      "brand brand"
      "nav tools"
      "contact contact"
      "updates updates";
  }
  .blueprint-grid{grid-template-columns:repeat(6,minmax(0,1fr));gap:16px}
}

@media (max-width:640px){
  body{font-size:16px}
  .site-footer__grid{
    grid-template-columns:minmax(0,1fr);
    grid-template-areas:
      "brand"
      "nav"
      "tools"
      "contact"
      "updates";
  }
  .site-footer__legal-inner{flex-direction:column;align-items:flex-start}
  .blueprint-grid{grid-template-columns:minmax(0,1fr);gap:14px}
  .update-drawer__list{grid-template-columns:minmax(0,1fr)}
  .btn--path{font-size:17px}
}

/* ============================================================
   降低动效
   ============================================================ */
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.01ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.01ms !important;
  }
  .js [data-reveal]{opacity:1;transform:none}
  .btn:hover,.panel:hover{transform:none}
}