/* ==========================================================================
   U米官网 · 共享样式表 /assets/site.css
   手账纸面 + 展览画册：共享外壳、基础排版与通用组件
   ========================================================================== */

:root{
  --umi-paper:#F7F4EC;
  --umi-paper-2:#E8E3D8;
  --umi-rule:#D6D0C2;
  --umi-ink:#2E3330;
  --umi-ink-soft:#6B7069;
  --umi-deep:#143A45;
  --umi-indigo:#38385F;
  --umi-teal:#2F7D74;
  --umi-teal-ink:#1F5C55;
  --umi-amber:#D98A2B;
  --umi-red:#B4523F;
  --umi-green:#3F7D4F;
  --umi-mist:#DCE7E3;

  --umi-font-body:"PingFang SC","Hiragino Sans GB","Source Han Sans SC","Noto Sans CJK SC","Microsoft YaHei","Segoe UI",system-ui,-apple-system,sans-serif;
  --umi-font-display:"Nunito","Quicksand","PingFang SC","Hiragino Sans GB","Source Han Sans SC",system-ui,sans-serif;
  --umi-font-mono:ui-monospace,"IBM Plex Mono","SFMono-Regular",Menlo,Consolas,"Courier New",monospace;

  --umi-gap:clamp(16px,2vw,32px);
  --umi-radius-lg:24px;
  --umi-radius-md:16px;
  --umi-radius-pill:999px;
  --umi-shell:1200px;
  --umi-underline:repeating-linear-gradient(to right,var(--umi-amber) 0 6px,transparent 6px 11px);
  --umi-stitch:repeating-linear-gradient(to right,var(--umi-rule) 0 7px,transparent 7px 13px);
}

/* ---------- reset ---------- */
*,*::before,*::after{box-sizing:border-box;}
html{
  -webkit-text-size-adjust:100%;
  scroll-behavior:smooth;
  scroll-padding-top:118px;
}
body{
  margin:0;
  font-family:var(--umi-font-body);
  font-size:17px;
  line-height:1.85;
  color:var(--umi-ink);
  background-color:var(--umi-paper);
  background-image:
    linear-gradient(to right,rgba(214,208,194,.42) 1px,transparent 1px),
    linear-gradient(to bottom,rgba(214,208,194,.42) 1px,transparent 1px);
  background-size:34px 34px,34px 34px;
}
img,svg,video{max-width:100%;height:auto;display:block;}
button,input,select,textarea{font:inherit;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
figure{margin:0;}
hr{border:0;border-top:1px dashed var(--umi-rule);margin:2.4em 0;}

h1,h2,h3,h4{
  font-family:var(--umi-font-display);
  font-weight:300;
  line-height:1.18;
  letter-spacing:-0.01em;
  color:var(--umi-deep);
  margin:0 0 .5em;
}
h1{font-size:clamp(38px,5.4vw,64px);font-weight:200;letter-spacing:-0.02em;}
h2{font-size:clamp(28px,3.4vw,44px);}
h3{font-size:22px;}
h4{font-size:17px;font-weight:600;letter-spacing:.01em;}
p{margin:0 0 1.2em;}
p:last-child{margin-bottom:0;}
a{color:var(--umi-teal-ink);text-decoration:none;}
a:hover{color:var(--umi-deep);}
strong{font-weight:600;color:var(--umi-deep);}
:focus-visible{outline:2px dashed var(--umi-teal);outline-offset:3px;border-radius:6px;}

/* ---------- 基础排版原子 ---------- */
.umi-container{width:min(var(--umi-shell),92vw);margin-inline:auto;}
.umi-display{
  font-family:var(--umi-font-display);
  font-size:clamp(44px,7vw,96px);
  font-weight:200;
  line-height:1.02;
  letter-spacing:-0.02em;
  color:var(--umi-deep);
  margin:0;
}
.umi-lead{font-size:clamp(17px,1.6vw,22px);line-height:1.7;color:var(--umi-ink);max-width:34em;}
.umi-prose{max-width:34em;}
.umi-prose p{font-size:17px;}
.umi-index{
  font-family:var(--umi-font-mono);
  font-size:12px;
  letter-spacing:.12em;
  color:var(--umi-ink-soft);
}
.umi-eyebrow{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-family:var(--umi-font-mono);
  font-size:12px;
  letter-spacing:.18em;
  text-transform:uppercase;
  color:var(--umi-teal-ink);
  margin:0 0 14px;
}
.umi-eyebrow::before{
  content:"";
  width:28px;height:2px;
  background-image:var(--umi-underline);
}

/* ---------- 分区 ---------- */
.umi-section{
  position:relative;
  padding-block:clamp(56px,8vw,104px);
}
.umi-section--mist{background-color:var(--umi-mist);}
.umi-section--paper2{background-color:var(--umi-paper-2);}
.umi-section--ink{background-color:var(--umi-deep);color:#C8D6D4;}
.umi-section--indigo{background-color:var(--umi-indigo);color:#DCDCEB;}
.umi-section--ink h1,.umi-section--ink h2,.umi-section--ink h3,.umi-section--ink h4,
.umi-section--indigo h1,.umi-section--indigo h2,.umi-section--indigo h3,.umi-section--indigo h4{color:#F4F7F5;}
.umi-section--ink a,.umi-section--indigo a{color:#9FD3CB;}
.umi-section--ink a:hover,.umi-section--indigo a:hover{color:#FFFFFF;}

/* ---------- 布局 ---------- */
.umi-grid{display:grid;gap:var(--umi-gap);}
.umi-grid--2{grid-template-columns:repeat(2,minmax(0,1fr));}
.umi-grid--3{grid-template-columns:repeat(3,minmax(0,1fr));}
.umi-grid--4{grid-template-columns:repeat(4,minmax(0,1fr));}
.umi-split{
  display:grid;
  grid-template-columns:62fr 30fr;
  gap:clamp(24px,5vw,72px);
  align-items:start;
}
.umi-split--reverse{grid-template-columns:30fr 62fr;}
.umi-aside{
  border-left:2px dashed var(--umi-rule);
  padding-left:clamp(16px,2vw,24px);
  font-size:14px;
  line-height:1.8;
  color:var(--umi-ink-soft);
}
.umi-aside h3{font-size:14px;font-weight:600;letter-spacing:.12em;color:var(--umi-indigo);}

/* ---------- 卡片与便利贴 ---------- */
.umi-card{
  position:relative;
  background-color:var(--umi-paper);
  border:1px solid var(--umi-rule);
  border-radius:var(--umi-radius-lg);
  padding:clamp(20px,2.6vw,32px);
  transition:transform 180ms ease-out,box-shadow 180ms ease-out,border-color 180ms ease-out;
}
.umi-card::after{
  content:"";
  position:absolute;
  left:24px;right:24px;bottom:-9px;
  height:2px;
  background-image:var(--umi-underline);
  opacity:0;
  transition:opacity 180ms ease-out;
}
.umi-card:hover{transform:translateY(-2px);box-shadow:0 18px 34px -26px rgba(20,58,69,.55);}
.umi-card:hover::after,.umi-card:focus-within::after{opacity:1;}
.umi-card--tilt{transform:rotate(-1.2deg);}
.umi-card--tilt:hover{transform:rotate(-1.2deg) translateY(-2px);}

.umi-note{
  background-color:#FBF1DD;
  border:1px solid rgba(217,138,43,.35);
  border-radius:16px 16px 16px 4px;
  padding:16px 18px;
  font-size:14px;
  line-height:1.75;
  color:#5A4426;
  margin:0 0 1.2em;
}
.umi-note--mint{
  background-color:#E4EFEA;
  border-color:rgba(47,125,116,.32);
  color:#1F4A44;
}

/* ---------- 标签 ---------- */
.umi-tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:4px 12px;
  border-radius:var(--umi-radius-pill);
  border:1px solid var(--umi-rule);
  background-color:var(--umi-paper-2);
  color:var(--umi-ink-soft);
  font-family:var(--umi-font-mono);
  font-size:11px;
  letter-spacing:.18em;
}
.umi-tag--teal{background-color:var(--umi-mist);color:var(--umi-teal-ink);border-color:rgba(47,125,116,.35);}
.umi-tag--amber{background-color:#FBF1DD;color:#8A5614;border-color:rgba(217,138,43,.4);}
.umi-tag--green{background-color:#E5F0E7;color:#285C35;border-color:rgba(63,125,79,.4);}

/* ---------- 按钮 ---------- */
.umi-btn{
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding:12px 24px;
  border:1px solid transparent;
  border-radius:var(--umi-radius-pill);
  font-size:15px;
  line-height:1.3;
  text-decoration:none;
  cursor:pointer;
  background-color:transparent;
  transition:transform 160ms ease-out,background-color 160ms ease-out,border-color 160ms ease-out,box-shadow 160ms ease-out;
}
.umi-btn--primary{background-color:var(--umi-teal);color:#F7F4EC;box-shadow:0 12px 22px -16px rgba(20,58,69,.9);}
.umi-btn--primary:hover{background-color:var(--umi-teal-ink);color:#FFFFFF;transform:translateY(-2px);}
.umi-btn--ghost{border-color:var(--umi-rule);color:var(--umi-deep);}
.umi-btn--ghost:hover{background-color:var(--umi-paper-2);color:var(--umi-deep);transform:translateY(-2px);}
.umi-btn--amber{background-color:var(--umi-amber);color:#2E2416;}
.umi-btn--amber:hover{background-color:#C57A22;color:#221A0E;transform:translateY(-2px);}

/* ---------- 面包屑 ---------- */
.umi-breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-family:var(--umi-font-mono);
  font-size:12px;
  letter-spacing:.08em;
  color:var(--umi-ink-soft);
  margin:0 0 26px;
}
.umi-breadcrumb a{color:var(--umi-teal-ink);border-bottom:1px dashed currentColor;}
.umi-breadcrumb a:hover{color:var(--umi-deep);}
.umi-breadcrumb__sep{color:var(--umi-rule);}

/* ---------- 图片容器（页面阶段放图） ---------- */
.umi-media{
  position:relative;
  overflow:hidden;
  aspect-ratio:4/3;
  border:1px solid var(--umi-rule);
  border-radius:var(--umi-radius-lg);
  background-color:var(--umi-paper-2);
  background-image:
    linear-gradient(to right,rgba(214,208,194,.6) 1px,transparent 1px),
    linear-gradient(to bottom,rgba(214,208,194,.6) 1px,transparent 1px);
  background-size:24px 24px,24px 24px;
}
.umi-media--wide{aspect-ratio:16/9;}
.umi-media--tall{aspect-ratio:3/4;}
.umi-media--square{aspect-ratio:1/1;}
.umi-media--tilt{transform:rotate(-1.2deg);}
.umi-media > img{width:100%;height:100%;object-fit:cover;}
.umi-media__cap{
  position:absolute;
  left:14px;bottom:14px;
  padding:4px 12px;
  border-radius:var(--umi-radius-pill);
  background-color:rgba(247,244,236,.9);
  color:var(--umi-ink-soft);
  font-family:var(--umi-font-mono);
  font-size:11px;
  letter-spacing:.14em;
}

/* ---------- 折叠面板 ---------- */
.umi-collapse-group{display:grid;gap:12px;}
.umi-collapse{
  background-color:var(--umi-paper);
  border:1px solid var(--umi-rule);
  border-radius:18px;
  transition:border-color 180ms ease-out,background-color 180ms ease-out;
}
.umi-collapse[data-open]{border-color:rgba(47,125,116,.45);background-color:#FBFBF6;}
.umi-collapse__btn{
  width:100%;
  display:flex;
  align-items:center;
  gap:14px;
  padding:16px 20px;
  background:none;
  border:0;
  text-align:left;
  cursor:pointer;
  color:var(--umi-deep);
  font-family:var(--umi-font-display);
  font-size:17px;
  line-height:1.5;
}
.umi-collapse__btn::before{
  content:"";
  flex:0 0 auto;
  width:9px;height:9px;
  border-radius:3px;
  background-color:var(--umi-rule);
  transition:background-color 180ms ease-out,transform 180ms ease-out;
}
.umi-collapse[data-open] .umi-collapse__btn::before{background-color:var(--umi-amber);transform:rotate(45deg);}
.umi-collapse__panel{
  display:grid;
  grid-template-rows:0fr;
  transition:grid-template-rows 220ms ease-out;
}
.umi-collapse[data-open] .umi-collapse__panel{grid-template-rows:1fr;}
.umi-collapse__body{overflow:hidden;padding:0 20px;color:var(--umi-ink);}
.umi-collapse__body > *:first-child{margin-top:0;}
.umi-collapse[data-open] .umi-collapse__body{padding-bottom:18px;}

/* ---------- 步骤卡 ---------- */
.umi-step{
  position:relative;
  display:grid;
  grid-template-columns:auto 1fr auto;
  gap:16px;
  align-items:start;
  padding:20px;
  background-color:var(--umi-paper);
  border:1px solid var(--umi-rule);
  border-radius:20px;
  transition:border-color 180ms ease-out,background-color 180ms ease-out;
}
.umi-step__num{
  display:grid;
  place-items:center;
  width:36px;height:36px;
  border-radius:12px 12px 12px 3px;
  background-color:var(--umi-paper-2);
  color:var(--umi-amber);
  font-family:var(--umi-font-mono);
  font-size:13px;
  letter-spacing:.1em;
  transition:background-color 180ms ease-out,color 180ms ease-out;
}
.umi-step__title{font-size:17px;font-weight:600;margin:0 0 .35em;color:var(--umi-deep);}
.umi-step__body{font-size:15px;line-height:1.8;}
.umi-step__check{
  padding:6px 14px;
  border:1px dashed var(--umi-rule);
  border-radius:var(--umi-radius-pill);
  background-color:transparent;
  color:var(--umi-ink-soft);
  font-family:var(--umi-font-mono);
  font-size:11px;
  letter-spacing:.12em;
  cursor:pointer;
  transition:background-color 160ms ease-out,color 160ms ease-out,border-color 160ms ease-out;
}
.umi-step[data-done]{border-color:rgba(63,125,79,.5);background-color:#F1F6F0;}
.umi-step[data-done] .umi-step__num{background-color:var(--umi-green);color:#F7F4EC;}
.umi-step[data-done] .umi-step__title{color:var(--umi-ink-soft);}
.umi-step[data-done] .umi-step__check{background-color:var(--umi-green);color:#F7F4EC;border-color:var(--umi-green);border-style:solid;}

/* ---------- 主题筛选 ---------- */
.umi-filter{display:flex;flex-wrap:wrap;gap:10px;margin:0 0 28px;}
.umi-filter__btn{
  padding:8px 16px;
  border:1px solid var(--umi-rule);
  border-radius:var(--umi-radius-pill);
  background-color:var(--umi-paper);
  color:var(--umi-ink);
  font-size:13px;
  letter-spacing:.06em;
  cursor:pointer;
  transition:background-color 160ms ease-out,color 160ms ease-out,border-color 160ms ease-out;
}
.umi-filter__btn:hover{background-color:var(--umi-paper-2);}
.umi-filter__btn[aria-pressed="true"]{background-color:var(--umi-deep);color:#F7F4EC;border-color:var(--umi-deep);}
[data-filter-item].is-hidden{display:none;}
[data-filter-item].is-entering{animation:umi-fade 240ms ease-out;}
@keyframes umi-fade{
  from{opacity:.9;transform:translateY(6px);}
  to{opacity:1;transform:none;}
}

/* ==========================================================================
   头部
   ========================================================================== */
.skip-link{
  position:absolute;
  left:12px;top:-64px;
  z-index:200;
  padding:10px 18px;
  border-radius:0 0 14px 14px;
  background-color:var(--umi-deep);
  color:#F7F4EC;
  font-size:13px;
  letter-spacing:.08em;
  transition:top 160ms ease-out;
}
.skip-link:focus{top:0;color:#FFFFFF;}

.umi-header{
  position:sticky;
  top:0;
  z-index:60;
  background-color:var(--umi-paper);
  border-bottom:1px solid var(--umi-rule);
}

.umi-topbar{
  background-color:var(--umi-deep);
  color:#EDEAE0;
  border-bottom:1px solid rgba(255,255,255,.08);
}
.umi-topbar__inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding-block:9px;
  transition:padding-block 200ms ease-out;
}
.umi-motto{
  margin:0;
  font-family:var(--umi-font-display);
  font-size:13px;
  letter-spacing:.16em;
  color:var(--umi-mist);
  transition:font-size 200ms ease-out,letter-spacing 200ms ease-out;
}
.umi-status-row{display:flex;flex-wrap:wrap;gap:8px;align-items:center;}
.umi-capsule{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:3px 11px;
  border:1px solid rgba(255,255,255,.22);
  border-radius:var(--umi-radius-pill);
  background-color:rgba(255,255,255,.06);
  color:#E8E3D8;
  font-family:var(--umi-font-mono);
  font-size:11px;
  letter-spacing:.14em;
  white-space:nowrap;
  transition:font-size 200ms ease-out,padding 200ms ease-out;
}
.umi-capsule--ok{
  border-color:rgba(63,125,79,.6);
  background-color:rgba(63,125,79,.24);
  color:#DDF0E2;
}
.umi-dot{
  width:6px;height:6px;
  border-radius:50%;
  background-color:#8CCB9B;
  box-shadow:0 0 0 3px rgba(140,203,155,.22);
}
.umi-header[data-condensed] .umi-topbar__inner{padding-block:3px;}
.umi-header[data-condensed] .umi-motto{font-size:11px;letter-spacing:.08em;}
.umi-header[data-condensed] .umi-capsule{font-size:10px;padding:1px 9px;}

.umi-navbar{position:relative;background-color:var(--umi-paper);}
.umi-navbar__inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  padding-block:12px;
}
.umi-brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  color:var(--umi-deep);
  text-decoration:none;
}
.umi-brand__mark{
  position:relative;
  width:26px;height:26px;
  border-radius:10px 10px 10px 3px;
  background-color:var(--umi-teal);
  flex:0 0 auto;
}
.umi-brand__mark::after{
  content:"";
  position:absolute;
  inset:8px;
  border-radius:50%;
  background-color:var(--umi-paper);
}
.umi-brand__name{
  font-family:var(--umi-font-display);
  font-size:22px;
  font-weight:600;
  letter-spacing:.02em;
}
.umi-brand__sub{
  font-family:var(--umi-font-mono);
  font-size:11px;
  letter-spacing:.18em;
  color:var(--umi-ink-soft);
  padding-top:4px;
}
.umi-brand:hover .umi-brand__name{color:var(--umi-teal-ink);}

.umi-nav{
  display:flex;
  align-items:center;
  gap:clamp(16px,2.4vw,32px);
}
.umi-nav__list{
  display:flex;
  align-items:center;
  gap:clamp(12px,2vw,26px);
}
.umi-nav__link{
  position:relative;
  display:inline-block;
  padding:6px 2px;
  font-size:15px;
  color:var(--umi-ink);
  text-decoration:none;
  transition:color 160ms ease-out;
}
.umi-nav__link::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:-1px;
  height:2px;
  background-image:var(--umi-underline);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform 180ms ease-out;
}
.umi-nav__link:hover{color:var(--umi-teal-ink);}
.umi-nav__link:hover::after,
.umi-nav__link:focus-visible::after{transform:scaleX(1);}
.umi-nav__link[aria-current="page"]{color:var(--umi-deep);font-weight:600;}
.umi-nav__link[aria-current="page"]::after{transform:scaleX(1);}

.umi-nav__cta{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:8px 16px;
  border:1px dashed var(--umi-teal);
  border-radius:var(--umi-radius-pill);
  background-color:var(--umi-mist);
  color:var(--umi-teal-ink);
  font-size:13px;
  letter-spacing:.06em;
  white-space:nowrap;
  text-decoration:none;
  transition:background-color 180ms ease-out,transform 180ms ease-out;
}
.umi-nav__cta::after{
  content:"→";
  font-family:var(--umi-font-mono);
  font-size:12px;
}
.umi-nav__cta:hover{background-color:#CFE0DA;color:var(--umi-deep);transform:translateY(-1px);}

.umi-nav__toggle{
  display:none;
  align-items:center;
  gap:9px;
  padding:8px 15px;
  border:1px solid var(--umi-rule);
  border-radius:var(--umi-radius-pill);
  background-color:var(--umi-paper-2);
  color:var(--umi-deep);
  cursor:pointer;
  transition:background-color 160ms ease-out,border-color 160ms ease-out;
}
.umi-nav__toggle:hover{background-color:var(--umi-mist);border-color:rgba(47,125,116,.4);}
.umi-nav__toggle-bars{
  position:relative;
  width:16px;height:2px;
  border-radius:2px;
  background-color:currentColor;
}
.umi-nav__toggle-bars::before,
.umi-nav__toggle-bars::after{
  content:"";
  position:absolute;left:0;
  width:16px;height:2px;
  border-radius:2px;
  background-color:currentColor;
}
.umi-nav__toggle-bars::before{top:-5px;}
.umi-nav__toggle-bars::after{top:5px;}
.umi-nav__toggle-text{
  font-family:var(--umi-font-mono);
  font-size:11px;
  letter-spacing:.16em;
}

.umi-progress{
  position:absolute;
  left:0;right:0;bottom:-1px;
  height:2px;
  overflow:hidden;
  pointer-events:none;
}
.umi-progress__bar{
  display:block;
  height:100%;
  width:100%;
  transform:scaleX(0);
  transform-origin:left center;
  background-color:var(--umi-amber);
}

/* ==========================================================================
   页脚
   ========================================================================== */
.umi-footer{
  position:relative;
  margin-top:clamp(64px,9vw,112px);
  background-color:var(--umi-deep);
  color:#C8D6D4;
}
.umi-footer::before{
  content:"";
  position:absolute;
  top:0;left:0;right:0;
  height:2px;
  background-image:var(--umi-underline);
  opacity:.75;
}
.umi-footer__inner{
  display:grid;
  grid-template-columns:1.15fr .95fr .85fr;
  gap:clamp(26px,4vw,56px);
  padding-block:clamp(44px,6vw,80px) 40px;
}
.umi-footer__col{min-width:0;}
.umi-footer__brand{
  margin:0 0 4px;
  font-family:var(--umi-font-display);
  font-size:32px;
  font-weight:200;
  letter-spacing:.02em;
  color:#F7F4EC;
}
.umi-footer__motto{
  margin:0 0 22px;
  font-family:var(--umi-font-mono);
  font-size:12px;
  letter-spacing:.16em;
  color:#93B2AE;
}
.umi-footer__title{
  margin:0 0 14px;
  font-family:var(--umi-font-mono);
  font-size:11px;
  letter-spacing:.18em;
  text-transform:uppercase;
  color:var(--umi-amber);
}
.umi-footer__list{display:grid;gap:9px;}
.umi-footer__list--cols{grid-template-columns:repeat(2,minmax(0,1fr));gap:9px 18px;}
.umi-footer__link{
  display:inline-block;
  font-size:14px;
  color:#D8E3E0;
  border-bottom:1px solid transparent;
  transition:color 160ms ease-out,border-color 160ms ease-out;
}
.umi-footer__link:hover{color:#FFFFFF;border-bottom-color:var(--umi-amber);}
.umi-footer__info{
  margin:0 0 10px;
  font-size:14px;
  line-height:1.7;
  color:#D8E3E0;
  word-break:break-word;
}
.umi-footer__label{
  display:inline-block;
  min-width:46px;
  margin-right:6px;
  font-family:var(--umi-font-mono);
  font-size:11px;
  letter-spacing:.14em;
  color:#8FB0AC;
}
.umi-footer__note{
  margin:16px 0 0;
  max-width:30em;
  font-size:12px;
  line-height:1.75;
  color:#8FA5A3;
}
.umi-footer__status{
  padding:16px 20px;
  border:1px dashed rgba(214,208,194,.35);
  border-radius:18px;
  background-color:rgba(56,56,95,.55);
}
.umi-status-line{
  display:flex;
  align-items:baseline;
  justify-content:space-between;
  gap:12px;
  margin:0;
  padding:7px 0;
  border-bottom:1px dashed rgba(255,255,255,.14);
  font-family:var(--umi-font-mono);
  font-size:12px;
  letter-spacing:.08em;
  color:#A9BEBB;
}
.umi-status-line:last-child{border-bottom:0;padding-bottom:0;}
.umi-status-line__value{color:#F7F4EC;}
.umi-status-line--ok .umi-status-line__value{color:#9BD3A8;}
.umi-footer__bottom{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:10px 24px;
  padding-block:18px 26px;
  border-top:1px dashed rgba(255,255,255,.16);
  font-size:12px;
  color:#93A8A6;
}
.umi-footer__copy,.umi-footer__sign{margin:0;letter-spacing:.06em;}
.umi-footer__sign{font-family:var(--umi-font-display);color:var(--umi-mist);letter-spacing:.14em;}

/* ==========================================================================
   响应式
   ========================================================================== */
@media (max-width:1080px){
  .umi-grid--4{grid-template-columns:repeat(2,minmax(0,1fr));}
  .umi-footer__inner{grid-template-columns:1.1fr 1fr;row-gap:36px;}
  .umi-footer__col--status{grid-column:1 / -1;}
}

@media (max-width:960px){
  html{scroll-padding-top:96px;}
  .umi-topbar__inner{flex-wrap:wrap;gap:6px 14px;padding-block:7px;}
  .umi-motto{font-size:11px;letter-spacing:.1em;}
  .umi-capsule{font-size:10px;padding:2px 9px;letter-spacing:.1em;}
  .umi-navbar__inner{padding-block:10px;}
  .umi-brand__sub{display:none;}

  .umi-nav__toggle{display:inline-flex;}

  .umi-nav{
    position:absolute;
    left:0;right:0;top:100%;
    display:block;
    padding:6px clamp(18px,6vw,32px) 22px;
    background-color:var(--umi-paper);
    border-top:1px dashed var(--umi-rule);
    border-bottom:2px solid var(--umi-rule);
    box-shadow:0 24px 34px -30px rgba(20,58,69,.7);
    max-height:0;
    opacity:0;
    visibility:hidden;
    overflow:hidden;
    transition:max-height 220ms ease-out,opacity 180ms ease-out,visibility 0s linear 220ms;
  }
  .umi-nav[data-open]{
    max-height:76vh;
    opacity:1;
    visibility:visible;
    overflow-y:auto;
    transition-delay:0s;
  }
  .umi-nav__list{flex-direction:column;align-items:stretch;gap:0;}
  .umi-nav__item{border-bottom:1px dashed var(--umi-rule);}
  .umi-nav__item:nth-child(1){margin-left:0;}
  .umi-nav__item:nth-child(2){margin-left:14px;}
  .umi-nav__item:nth-child(3){margin-left:28px;}
  .umi-nav__item:nth-child(4){margin-left:42px;}
  .umi-nav__item:nth-child(5){margin-left:56px;}
  .umi-nav__item:nth-child(6){margin-left:70px;}
  .umi-nav__link{display:block;padding:13px 4px;font-size:17px;}
  .umi-nav__link::after{display:none;}
  .umi-nav__link[aria-current="page"]{color:var(--umi-teal-ink);}
  .umi-nav__cta{margin-top:18px;width:100%;justify-content:center;padding:13px 20px;}

  .umi-grid--3{grid-template-columns:repeat(2,minmax(0,1fr));}
  .umi-split,.umi-split--reverse{grid-template-columns:minmax(0,1fr);gap:32px;}
  .umi-aside{border-left:0;border-top:2px dashed var(--umi-rule);padding-left:0;padding-top:18px;}
  .umi-step{grid-template-columns:auto 1fr;}
  .umi-step__check{grid-column:2;justify-self:start;}
}

@media (max-width:640px){
  body{font-size:16px;line-height:1.8;}
  .umi-section{padding-block:clamp(40px,10vw,64px);}
  .umi-grid--2,.umi-grid--3,.umi-grid--4{grid-template-columns:minmax(0,1fr);}
  .umi-footer__inner{grid-template-columns:minmax(0,1fr);padding-block:40px 32px;}
  .umi-footer__list--cols{grid-template-columns:minmax(0,1fr);}
  .umi-footer__bottom{flex-direction:column;align-items:flex-start;gap:8px;}
  .umi-card{padding:20px;}
}

/* ==========================================================================
   可访问性与动效偏好
   ========================================================================== */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
    transition-delay:0s !important;
  }
  .umi-card:hover,.umi-card--tilt:hover,.umi-btn:hover{transform:none;}
  .umi-nav[data-open]{transition:none;}
}