/* ============================================================
   盛兴客户端 · 共享站点点位样式 /assets/site.css
   岩灰基底 · 盛兴橙强调 · 数据蓝对照 · 纸张叠层 · 等高线母题
   ============================================================ */

:root{
  --rock:#3A3F44;
  --rock-deep:#1D2429;
  --stone:#E7E4DE;
  --paper:#F7F5F0;
  --orange:#F26B1D;
  --orange-soft:#FFD9C2;
  --blue:#2F6BFF;
  --moss:#4E6B52;
  --clay:#A8552F;
  --silver:#EDF1F4;
  --ink-soft:rgba(58,63,68,.66);
  --ink-mute:rgba(58,63,68,.46);
  --line:rgba(58,63,68,.16);
  --line-strong:rgba(58,63,68,.34);
  --ease:cubic-bezier(.2,.7,.3,1);
  --font-sans:"Noto 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;
  --header-h:76px;
  --wrap:1280px;
  --shadow-paper:4px 4px 0 rgba(58,63,68,.09);
  --shadow-paper-lg:7px 7px 0 rgba(58,63,68,.12);
}

/* ---------- reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{
  -webkit-text-size-adjust:100%;
  scroll-behavior:smooth;
  scroll-padding-top:calc(var(--header-h) + 16px);
}
body{
  margin:0;
  background:var(--paper);
  color:var(--rock);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.75;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img,svg{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit}
ul,ol{margin:0;padding:0}
p{margin:0 0 1em}
::selection{background:var(--orange-soft);color:#4A1F05}
:focus-visible{outline:2px solid var(--blue);outline-offset:3px}

/* ---------- 中文排版层级 ---------- */
h1,h2,h3,h4{margin:0;line-height:1.2;color:var(--rock)}
h1{font-size:clamp(2rem,5vw,3.4rem);font-weight:300;letter-spacing:-.02em;line-height:1.06}
h2{font-size:clamp(1.55rem,3.2vw,2.35rem);font-weight:300;letter-spacing:-.015em;line-height:1.12}
h3{font-size:clamp(1.08rem,1.7vw,1.32rem);font-weight:600;letter-spacing:0}
h4{font-size:1rem;font-weight:600}
strong{font-weight:700}
.mono{font-family:var(--font-mono);letter-spacing:.06em;font-variant-numeric:tabular-nums}
.visually-hidden{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}

/* ---------- 跳过链接 ---------- */
.skip-link{
  position:absolute;
  left:14px;
  top:-90px;
  z-index:400;
  padding:10px 20px;
  background:var(--rock-deep);
  color:var(--paper);
  font-family:var(--font-mono);
  font-size:13px;
  letter-spacing:.06em;
  transition:top 160ms var(--ease);
}
.skip-link:focus{top:14px}

/* ============================================================
   页头：左品牌 + 右索引带 + 顶部进程
   ============================================================ */
.site-header{
  position:sticky;
  top:0;
  z-index:200;
  background:var(--paper);
  border-bottom:1px solid var(--line);
  box-shadow:0 2px 0 rgba(58,63,68,.06),0 16px 30px -26px rgba(29,36,41,.9);
}
.header-progress{
  position:absolute;
  left:0;right:0;top:0;
  height:2px;
  background:rgba(58,63,68,.10);
  overflow:hidden;
}
.progress-bar{
  display:block;
  height:100%;
  width:100%;
  background:var(--orange);
  transform:scaleX(0);
  transform-origin:0 50%;
}
.header-rail{
  width:100%;
  max-width:var(--wrap);
  margin-inline:auto;
  padding-inline:clamp(16px,4vw,48px);
  height:var(--header-h);
  display:flex;
  align-items:center;
  gap:clamp(12px,2.4vw,30px);
}
.brand-lockup{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand{
  font-size:17px;
  font-weight:800;
  letter-spacing:.03em;
  color:var(--rock);
  white-space:nowrap;
  transition:color 140ms var(--ease);
}
.brand:hover{color:var(--orange)}
.header-rule{
  flex:1 1 auto;
  min-width:20px;
  height:1px;
  background:linear-gradient(90deg,rgba(58,63,68,.30),rgba(58,63,68,.05));
}

/* 斜切标签 */
.label-skew{
  position:relative;
  z-index:0;
  display:inline-flex;
  align-items:center;
  padding:3px 10px;
  font-family:var(--font-mono);
  font-size:11px;
  font-weight:600;
  letter-spacing:.14em;
  color:#4A1F05;
  white-space:nowrap;
}
.label-skew::before{
  content:"";
  position:absolute;
  inset:0;
  z-index:-1;
  background:var(--orange-soft);
  border:1px solid rgba(242,107,29,.5);
  transform:skew(-4deg);
}
.version-tag{font-size:10.5px;letter-spacing:.16em}

/* 移动索引按钮 */
.nav-toggle{
  display:none;
  align-items:center;
  gap:8px;
  margin-left:auto;
  padding:8px 12px;
  background:transparent;
  border:1px solid var(--line-strong);
  color:var(--rock);
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.14em;
  cursor:pointer;
  transition:background-color 140ms var(--ease),color 140ms var(--ease),border-color 140ms var(--ease);
}
.nav-toggle:hover{border-color:var(--orange);color:var(--orange)}
.nav-toggle[aria-expanded="true"]{background:var(--orange);border-color:var(--orange);color:#15181B}
.nav-toggle-bars{display:inline-grid;gap:3px}
.nav-toggle-bars i{display:block;width:15px;height:2px;background:currentColor}
.nav-toggle-text{line-height:1}

/* 导航（桌面） */
.site-nav{flex:0 0 auto}
.nav-heading{display:none}
.nav-quick{display:none}
.nav-index{display:flex;align-items:center;list-style:none}
.nav-index > li + li{border-left:1px solid var(--line)}
.nav-link{
  position:relative;
  z-index:0;
  display:block;
  padding:8px 13px;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.06em;
  color:var(--rock);
  transition:color 140ms var(--ease);
}
.nav-link:hover{color:var(--orange)}
.nav-link[aria-current="page"]{color:#15181B;font-weight:700}
.nav-link[aria-current="page"]::before{
  content:"";
  position:absolute;
  inset:4px 5px;
  z-index:-1;
  background:var(--orange);
  transform:skew(-4deg);
  box-shadow:2px 2px 0 rgba(58,63,68,.16);
}

/* ============================================================
   页脚：深夜蓝灰 + 等高线
   ============================================================ */
.site-footer{
  position:relative;
  margin-top:clamp(56px,9vw,120px);
  background:var(--rock-deep);
  color:var(--silver);
  overflow:hidden;
}
.footer-contour{
  position:absolute;
  inset:0 0 auto 0;
  height:72px;
  pointer-events:none;
  background:
    repeating-radial-gradient(ellipse 72% 210% at 12% 0%,rgba(237,241,244,.16) 0 1px,transparent 1px 18px),
    repeating-radial-gradient(ellipse 72% 210% at 88% 0%,rgba(237,241,244,.10) 0 1px,transparent 1px 23px);
}
.footer-inner{
  position:relative;
  width:100%;
  max-width:var(--wrap);
  margin-inline:auto;
  padding:clamp(44px,6vw,76px) clamp(16px,4vw,48px) clamp(28px,4vw,46px);
  display:grid;
  grid-template-columns:minmax(0,5fr) minmax(0,4fr) minmax(0,3fr);
  gap:clamp(26px,4vw,56px);
}
.footer-brand{
  display:flex;
  align-items:baseline;
  gap:10px;
  margin:0 0 10px;
  font-size:clamp(1.4rem,2.6vw,2rem);
  font-weight:300;
  letter-spacing:-.01em;
  color:var(--paper);
}
.footer-brand-mark{
  display:inline-block;
  padding:1px 7px;
  font-family:var(--font-mono);
  font-size:11px;
  font-weight:600;
  letter-spacing:.16em;
  color:var(--orange);
  border:1px solid rgba(242,107,29,.55);
  transform:skew(-4deg);
}
.footer-line{max-width:34ch;margin:0 0 20px;color:rgba(237,241,244,.72);font-size:14px;line-height:1.7}
.footer-paths{display:flex;flex-wrap:wrap;gap:10px;list-style:none}
.footer-paths a{
  display:inline-block;
  padding:7px 15px;
  border:1px solid rgba(237,241,244,.28);
  font-size:13px;
  letter-spacing:.04em;
  color:var(--paper);
  transition:color 140ms var(--ease),border-color 140ms var(--ease),transform 140ms var(--ease);
}
.footer-paths a:hover{color:var(--orange);border-color:var(--orange);transform:translateY(-1px)}
.footer-heading{
  margin:0 0 14px;
  font-family:var(--font-mono);
  font-size:10.5px;
  letter-spacing:.22em;
  color:rgba(237,241,244,.55);
}
.footer-nav-list{list-style:none;display:grid;gap:7px}
.footer-nav-list a{
  display:inline-block;
  padding-block:2px;
  font-size:14px;
  color:rgba(237,241,244,.86);
  border-bottom:1px solid transparent;
  transition:color 140ms var(--ease),border-color 140ms var(--ease);
}
.footer-nav-list a:hover{color:var(--orange);border-color:rgba(242,107,29,.6)}
.footer-contact{font-size:13.5px}
.footer-mail{
  margin:0 0 10px;
  font-family:var(--font-mono);
  font-size:12.5px;
  letter-spacing:.02em;
  color:var(--paper);
  word-break:break-all;
}
.copy-btn{
  display:inline-block;
  padding:6px 14px;
  background:transparent;
  border:1px solid rgba(237,241,244,.32);
  color:var(--silver);
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.12em;
  cursor:pointer;
  transition:background-color 140ms var(--ease),color 140ms var(--ease),border-color 140ms var(--ease);
}
.copy-btn:hover{background:var(--orange);border-color:var(--orange);color:#15181B}
.copy-note{
  min-height:18px;
  margin:6px 0 12px;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.08em;
  color:rgba(237,241,244,.55);
}
.copy-note[data-visible]{color:var(--orange)}
.footer-phone{margin:0 0 8px;font-size:16px;letter-spacing:.05em;color:var(--paper);font-family:var(--font-mono)}
.footer-hours{margin:0;color:rgba(237,241,244,.62);font-size:12.5px;line-height:1.65}
.footer-meta{
  position:relative;
  border-top:1px solid rgba(237,241,244,.16);
  background:rgba(0,0,0,.18);
}
.footer-meta-inner{
  width:100%;
  max-width:var(--wrap);
  margin-inline:auto;
  padding:16px clamp(16px,4vw,48px) calc(20px + env(safe-area-inset-bottom));
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:10px 22px;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.06em;
  color:rgba(237,241,244,.55);
}
.footer-address{margin:0}
.footer-legal{display:flex;flex-wrap:wrap;align-items:center;gap:8px 16px;margin:0}
.footer-legal a{
  color:rgba(237,241,244,.72);
  border-bottom:1px solid rgba(237,241,244,.25);
  padding-bottom:1px;
  transition:color 140ms var(--ease),border-color 140ms var(--ease);
}
.footer-legal a:hover{color:var(--orange);border-color:var(--orange)}

/* ============================================================
   通用版式
   ============================================================ */
#main-content{display:block;scroll-margin-top:calc(var(--header-h) + 12px)}
.wrap{
  width:100%;
  max-width:var(--wrap);
  margin-inline:auto;
  padding-inline:clamp(16px,4vw,48px);
}
.section{position:relative;padding-block:clamp(44px,6.5vw,92px)}
.section--tight{padding-block:clamp(28px,4vw,52px)}
.section--band{background:var(--stone)}
.section--paper{background:var(--paper)}
.section--dark{background:var(--rock-deep);color:var(--silver)}
.section--dark h1,.section--dark h2,.section--dark h3{color:var(--paper)}

.section-head{
  display:flex;
  flex-wrap:wrap;
  align-items:baseline;
  gap:10px 18px;
  margin-bottom:clamp(18px,3vw,32px);
  padding-bottom:14px;
  border-bottom:1px solid var(--line);
}
.section--dark .section-head{border-color:rgba(237,241,244,.2)}
.section-index{
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.2em;
  color:var(--orange);
}
.section-title{margin:0;font-size:clamp(1.5rem,3vw,2.15rem);font-weight:300;letter-spacing:-.015em}
.lede{max-width:58ch;margin:0;font-size:clamp(1rem,1.5vw,1.12rem);color:var(--ink-soft)}
.section--dark .lede{color:rgba(237,241,244,.72)}

/* 网格 */
.grid{display:grid;gap:clamp(16px,2.4vw,32px)}
.grid--7-5{grid-template-columns:minmax(0,7fr) minmax(0,5fr)}
.grid--5-7{grid-template-columns:minmax(0,5fr) minmax(0,7fr)}
.grid--8-4{grid-template-columns:minmax(0,8fr) minmax(0,4fr)}

/* 装饰：等高线分隔带 */
.contour-rule{
  height:26px;
  margin-block:clamp(16px,3vw,32px);
  background:
    repeating-radial-gradient(ellipse 62% 130% at 18% 150%,rgba(58,63,68,.18) 0 1px,transparent 1px 16px),
    repeating-radial-gradient(ellipse 62% 130% at 82% 150%,rgba(58,63,68,.10) 0 1px,transparent 1px 21px);
  pointer-events:none;
}

/* 面包屑 */
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:6px;
  list-style:none;
  margin:0 0 clamp(14px,2vw,22px);
  font-family:var(--font-mono);
  font-size:11.5px;
  letter-spacing:.1em;
  color:var(--ink-mute);
}
.breadcrumb li{display:flex;align-items:center;gap:6px}
.breadcrumb li + li::before{content:"/";opacity:.5}
.breadcrumb a{color:var(--ink-soft);border-bottom:1px solid transparent}
.breadcrumb a:hover{color:var(--orange);border-color:rgba(242,107,29,.5)}
.breadcrumb [aria-current="page"]{color:var(--rock)}

/* 按钮 */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  padding:12px 22px;
  font-size:14px;
  font-weight:600;
  letter-spacing:.04em;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform 160ms var(--ease),box-shadow 160ms var(--ease),background-color 160ms var(--ease),color 160ms var(--ease),border-color 160ms var(--ease);
}
.btn--primary{background:var(--orange);color:#17110C;box-shadow:4px 4px 0 rgba(29,36,41,.85)}
.btn--primary:hover{transform:translate(-1px,-1px);box-shadow:6px 6px 0 rgba(29,36,41,.85)}
.btn--primary:active{transform:translate(2px,2px);box-shadow:1px 1px 0 rgba(29,36,41,.85)}
.btn--ghost{background:transparent;color:var(--rock);border-color:var(--line-strong)}
.btn--ghost:hover{border-color:var(--orange);color:var(--orange)}
.section--dark .btn--ghost{color:var(--silver);border-color:rgba(237,241,244,.4)}
.section--dark .btn--ghost:hover{color:var(--orange);border-color:var(--orange)}

/* 标签 */
.tag{
  display:inline-block;
  padding:3px 9px;
  font-family:var(--font-mono);
  font-size:10.5px;
  letter-spacing:.14em;
  background:rgba(255,255,255,.6);
  border:1px solid var(--line-strong);
  color:var(--rock);
}
.tag--orange{background:var(--orange-soft);border-color:rgba(242,107,29,.5);color:#6B2A08}
.tag--blue{background:rgba(47,107,255,.12);border-color:rgba(47,107,255,.45);color:#1B4ACB}
.tag--moss{background:rgba(78,107,82,.14);border-color:rgba(78,107,82,.45);color:#33503A}

/* 纸张卡片 */
.card--paper{
  position:relative;
  background:var(--paper);
  border:1px solid var(--line);
  box-shadow:var(--shadow-paper);
  padding:clamp(18px,3vw,30px);
}
.card--paper:hover{box-shadow:var(--shadow-paper-lg)}
.card--slab{
  position:relative;
  background:var(--stone);
  border:1px solid var(--line);
  box-shadow:var(--shadow-paper);
  padding:clamp(18px,3vw,30px);
}

/* 左右对照卡 */
.compare{
  display:grid;
  grid-template-columns:minmax(0,1fr) 1px minmax(0,1fr);
  background:var(--paper);
  border:1px solid var(--line);
  box-shadow:var(--shadow-paper);
}
.compare-side{padding:clamp(18px,3vw,32px);min-width:0}
.compare-axis{background:var(--blue);opacity:.6}

/* 状态面板 */
.panel{
  display:grid;
  gap:7px;
  padding:14px 16px;
  background:var(--rock-deep);
  border:1px solid rgba(237,241,244,.18);
  color:var(--silver);
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.07em;
}
.panel-row{
  display:flex;
  align-items:baseline;
  justify-content:space-between;
  gap:14px;
  padding-bottom:5px;
  border-bottom:1px dashed rgba(237,241,244,.16);
}
.panel-row:last-child{border-bottom:0;padding-bottom:0}
.panel-key{color:rgba(237,241,244,.6)}
.panel-value{color:var(--orange);text-align:right}

/* 目录型内容地图 */
.index-map{list-style:none;border-top:1px solid var(--line);display:grid;gap:0}
.index-map li{border-bottom:1px solid var(--line)}
.index-map-link{
  display:grid;
  grid-template-columns:auto 1fr auto;
  align-items:center;
  gap:12px;
  padding:11px 12px;
  font-size:14px;
  color:var(--rock);
  transition:background-color 180ms var(--ease),color 180ms var(--ease);
}
.index-map-link:hover{background:rgba(242,107,29,.12)}
.index-map-link.is-active{background:var(--orange);color:#15181B}
.index-map-num{font-family:var(--font-mono);font-size:11px;letter-spacing:.14em;color:var(--orange)}
.index-map-link.is-active .index-map-num{color:#4A1F05}
.index-map-meta{font-family:var(--font-mono);font-size:10.5px;letter-spacing:.1em;color:var(--ink-mute)}
.index-map-link.is-active .index-map-meta{color:#4A1F05}

/* 编号步骤 */
.steps{list-style:none;counter-reset:step;display:grid;gap:12px}
.steps li{position:relative;counter-increment:step;padding-left:46px;font-size:15px;line-height:1.7}
.steps li::before{
  content:counter(step,decimal-leading-zero);
  position:absolute;
  left:0;top:0;
  padding:2px 6px;
  background:var(--orange-soft);
  border:1px solid rgba(242,107,29,.45);
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.1em;
  color:#6B2A08;
}

/* 正文 */
.prose{max-width:66ch}
.prose p{margin:0 0 1.05em}
.prose h3{margin:1.6em 0 .5em}
.prose ul,.prose ol{margin:0 0 1.05em;padding-left:1.35em}
.prose li{margin-bottom:.35em}
.prose a{
  color:var(--rock);
  text-decoration:underline;
  text-decoration-thickness:1px;
  text-underline-offset:3px;
  text-decoration-color:rgba(242,107,29,.55);
  transition:color 140ms var(--ease),text-decoration-color 140ms var(--ease);
}
.prose a:hover{color:var(--orange);text-decoration-color:var(--orange)}

/* 图片容器基础规则 */
.figure{margin:0;display:grid;gap:10px}
.figure-frame{
  position:relative;
  overflow:hidden;
  background:var(--stone);
  border:1px solid rgba(58,63,68,.18);
  box-shadow:var(--shadow-paper);
  aspect-ratio:16 / 10;
}
.figure-frame img{width:100%;height:100%;object-fit:cover;object-position:center}
.figure-frame--phone{aspect-ratio:9 / 19;max-width:320px;margin-inline:auto}
.figure-cap{
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.08em;
  line-height:1.6;
  color:var(--ink-mute);
}
.figure-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:clamp(12px,2vw,24px)}

/* 滚动显现 */
[data-reveal]{transition:opacity 260ms var(--ease),transform 260ms var(--ease)}
.js-ready [data-reveal]{opacity:0;transform:translateY(14px)}
.js-ready [data-reveal].is-in{opacity:1;transform:none}

/* ============================================================
   响应式
   ============================================================ */
@media (max-width:1024px){
  .footer-inner{grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:32px}
  .footer-primary{grid-column:1 / -1}
}
@media (max-width:960px){
  :root{--header-h:62px}
  .header-rail{height:var(--header-h);gap:10px}
  .header-rule{display:none}
  .brand{font-size:15.5px}
  .version-tag{font-size:10px;padding:2px 8px}
  .nav-toggle{display:inline-flex}

  .site-nav{
    position:fixed;
    left:0;right:0;bottom:0;
    z-index:300;
    display:block;
    max-height:80vh;
    overflow:auto;
    padding:14px clamp(14px,4vw,26px) calc(16px + env(safe-area-inset-bottom));
    background:var(--paper);
    border-top:1px solid var(--line-strong);
    box-shadow:0 -20px 44px -24px rgba(29,36,41,.9);
    visibility:hidden;
    transform:translateY(112%);
    transition:transform 220ms var(--ease),visibility 0s linear 220ms;
  }
  .site-nav[data-open]{
    visibility:visible;
    transform:translateY(0);
    transition:transform 220ms var(--ease),visibility 0s linear 0s;
  }
  .nav-heading{
    display:block;
    margin:0 0 10px;
    font-family:var(--font-mono);
    font-size:10.5px;
    letter-spacing:.22em;
    color:var(--ink-mute);
  }
  .nav-quick{display:grid;grid-template-columns:1fr 1fr;gap:8px;list-style:none;margin:0 0 12px}
  .nav-quick-link{
    display:flex;
    align-items:center;
    justify-content:center;
    padding:11px 8px;
    background:var(--rock-deep);
    border:1px solid var(--rock-deep);
    color:var(--silver);
    font-size:13px;
    font-weight:600;
    letter-spacing:.04em;
    transition:background-color 140ms var(--ease),color 140ms var(--ease),border-color 140ms var(--ease);
  }
  .nav-quick-link:hover,.nav-quick-link:focus-visible{background:var(--orange);border-color:var(--orange);color:#15181B}
  .nav-index{display:grid;grid-template-columns:1fr 1fr;gap:6px}
  .nav-index > li + li{border-left:0}
  .nav-link{
    display:flex;
    align-items:center;
    justify-content:center;
    padding:12px 8px;
    font-family:var(--font-sans);
    font-size:13.5px;
    letter-spacing:.02em;
    background:rgba(255,255,255,.62);
    border:1px solid var(--line);
  }
  .nav-link[aria-current="page"]{border-color:var(--orange)}
  .nav-link[aria-current="page"]::before{inset:0}

  .grid--7-5,.grid--5-7,.grid--8-4{grid-template-columns:minmax(0,1fr)}
  .footer-meta-inner{flex-direction:column;align-items:flex-start}
}
@media (max-width:760px){
  .compare{grid-template-columns:minmax(0,1fr);grid-template-rows:auto 1px auto}
  .compare-axis{height:1px;width:auto}
}
@media (max-width:620px){
  .footer-inner{grid-template-columns:minmax(0,1fr)}
  .nav-quick{grid-template-columns:1fr}
  .figure-frame--phone{max-width:260px}
}

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