/* ==========================================================================
   尊龙手机版 · 共享样式表 /assets/site.css
   骨架：左侧 88px 门牌轨道 + 鎏金细线分区；墨黑/深墨红/尊龙深红/朱砂红/鎏金/宣纸白
   ========================================================================== */

/* ---------- 变量 ---------- */
:root{
  --ink:#0D0A0B;
  --ink-warm:#2A1214;
  --red-deep:#8E1B22;
  --red-cinnabar:#C4292F;
  --gold:#C9A14B;
  --gold-light:#EBD9AE;
  --paper:#F7F2E8;
  --paper-dim:#E3DACB;
  --ink-soft:#5A524C;
  --ink-text:#221D1B;

  --rail-w:88px;
  --rail-pad:6px;
  --shell-max:1180px;

  --line-gold:rgba(201,161,75,.42);
  --line-gold-soft:rgba(201,161,75,.18);
  --hair-dark:rgba(34,29,27,.14);

  --font-serif:"Noto Serif SC","Source Han Serif SC","Songti SC","SimSun",Georgia,"Times New Roman",serif;
  --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:"IBM Plex Mono","JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,"Courier New",monospace;

  --ease:cubic-bezier(.22,.61,.36,1);
  --shadow-card:0 1px 0 rgba(34,29,27,.05), 0 16px 34px -26px rgba(34,29,27,.5);
}

/* ---------- reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  min-height:100vh;
  background-color:var(--paper);
  background-image:radial-gradient(rgba(90,82,76,.05) 1px,transparent 1px);
  background-size:4px 4px;
  color:var(--ink-text);
  font-family:var(--font-sans);
  font-size:16px;
  font-weight:400;
  line-height:1.9;
  overflow-x:hidden;
}
img,svg,video,canvas{display:block;max-width:100%;height:auto}
ul,ol{margin:0;padding:0;list-style:none}
button{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--gold);outline-offset:2px}
::selection{background:rgba(196,41,47,.22)}

/* ---------- 中文排版 ---------- */
h1,h2,h3,h4,h5,h6{
  margin:0 0 .55em;
  font-family:var(--font-serif);
  font-weight:800;
  line-height:1.28;
  letter-spacing:-.01em;
  color:var(--ink-text);
}
h1{font-size:clamp(30px,4.4vw,52px);letter-spacing:-.02em}
h2{font-size:clamp(24px,2.6vw,34px)}
h3{font-size:clamp(18px,1.6vw,22px)}
p{margin:0 0 1.1em}
a{color:var(--red-deep);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px}
a:hover{color:var(--red-cinnabar)}
strong{font-weight:700}
code,kbd,samp,pre{font-family:var(--font-mono);font-size:.92em}
hr{border:0;border-top:1px solid var(--line-gold-soft);margin:2.4em 0}

/* ---------- 布局 ---------- */
.zl-wrap{
  width:100%;
  max-width:var(--shell-max);
  margin-inline:auto;
  padding-inline:20px;
}
@media (min-width:600px){.zl-wrap{padding-inline:28px}}
@media (min-width:900px){body{padding-left:var(--rail-w)}.zl-wrap{padding-inline:32px}}
@media (min-width:1320px){.zl-wrap{padding-inline:44px}}

.zl-main{display:block}
.zl-section{padding-block:64px 72px}
.zl-section--tight{padding-block:40px 48px}
@media (min-width:900px){
  .zl-section{padding-block:88px 96px}
  .zl-section--tight{padding-block:56px 64px}
}

/* ---------- 跳转链接 ---------- */
.zl-skip{
  position:fixed;
  left:12px;top:12px;
  z-index:200;
  display:inline-flex;
  align-items:center;
  min-height:44px;
  padding:10px 18px;
  background:var(--gold);
  color:var(--ink);
  font-size:14px;font-weight:700;
  text-decoration:none;
  border-radius:2px;
  transform:translateY(-180%);
  transition:transform .2s var(--ease);
}
.zl-skip:focus{transform:none;color:var(--ink)}

/* ---------- 门牌轨道（头部） ---------- */
.zl-rail{
  position:sticky;
  top:0;
  z-index:80;
  background:linear-gradient(180deg,#0D0A0B 0%,#150A0C 58%,#2A1214 100%);
  color:var(--gold-light);
  border-bottom:1px solid var(--line-gold);
}
.zl-progress{
  position:absolute;
  left:0;bottom:0;
  z-index:6;
  width:calc(var(--zl-progress,0) * 1%);
  height:2px;
  background:linear-gradient(90deg,var(--gold),var(--red-cinnabar));
  pointer-events:none;
  transition:width .12s linear;
}

.zl-rail__bar{
  display:flex;
  align-items:center;
  gap:10px;
  padding:8px 12px;
}

/* 品牌 */
.zl-brand{
  display:flex;
  align-items:center;
  gap:9px;
  flex:0 0 auto;
  min-height:44px;
  text-decoration:none;
  color:#fff;
}
.zl-brand:hover{color:#fff}
.zl-brand:focus-visible{outline:2px solid var(--gold);outline-offset:2px}
.zl-brand__mark{
  width:24px;height:30px;flex:0 0 24px;
  background:linear-gradient(180deg,var(--gold) 0%,var(--red-deep) 100%);
  clip-path:polygon(0 100%,0 30%,50% 0,100% 30%,100% 100%);
}
.zl-brand__text{
  font-family:var(--font-serif);
  font-weight:800;
  font-size:15px;
  letter-spacing:.1em;
  line-height:1.1;
  color:#fff;
}
.zl-brand__text em{
  display:block;
  margin-top:3px;
  font-style:normal;
  font-family:var(--font-mono);
  font-weight:500;
  font-size:9px;
  letter-spacing:.22em;
  color:var(--gold);
}

/* 浏览器联系入口固定锚点 */
.zl-entry{
  display:flex;
  align-items:center;
  gap:8px;
  flex:1 1 auto;
  min-width:0;
  min-height:44px;
  padding:6px 10px;
  border-radius:2px;
  background:linear-gradient(90deg,rgba(196,41,47,.34),rgba(196,41,47,.06));
  box-shadow:inset 0 0 0 1px rgba(196,41,47,.6);
  color:var(--gold-light);
  font-size:12px;
  line-height:1.35;
  letter-spacing:.02em;
  text-decoration:none;
  transition:background .18s var(--ease),box-shadow .18s var(--ease),color .18s var(--ease);
}
.zl-entry:hover{
  background:linear-gradient(90deg,rgba(196,41,47,.55),rgba(196,41,47,.16));
  color:#fff;
}
.zl-entry:focus-visible{outline:2px solid var(--gold);outline-offset:-3px}
.zl-entry__dot{
  flex:0 0 8px;
  width:8px;height:8px;
  border-radius:50%;
  background:var(--red-cinnabar);
  box-shadow:0 0 0 3px rgba(196,41,47,.2);
  animation:zl-breathe 6s var(--ease) infinite;
}
.zl-entry__text{min-width:0;overflow-wrap:anywhere}
@keyframes zl-breathe{
  0%,100%{opacity:.55}
  50%{opacity:1}
}

/* 移动门牌开关 */
.zl-navbtn{
  display:inline-flex;
  align-items:center;
  gap:8px;
  flex:0 0 auto;
  min-height:44px;
  padding:0 12px;
  border:1px solid rgba(201,161,75,.45);
  border-radius:2px;
  background:rgba(201,161,75,.06);
  color:var(--gold-light);
  font-family:var(--font-sans);
  font-size:13px;
  font-weight:500;
  line-height:1;
  cursor:pointer;
  transition:background .18s var(--ease),border-color .18s var(--ease);
}
.zl-navbtn:hover{background:rgba(201,161,75,.14);border-color:var(--gold)}
.zl-navbtn:focus-visible{outline:2px solid var(--gold);outline-offset:2px}
.zl-navbtn__bars{
  position:relative;
  width:16px;height:2px;
  background:var(--gold);
  transition:background .18s var(--ease);
}
.zl-navbtn__bars::before,
.zl-navbtn__bars::after{
  content:"";
  position:absolute;left:0;
  width:16px;height:2px;
  background:var(--gold);
  transition:transform .2s var(--ease);
}
.zl-navbtn__bars::before{top:-5px}
.zl-navbtn__bars::after{top:5px}
.zl-rail[data-open] .zl-navbtn__bars{background:transparent}
.zl-rail[data-open] .zl-navbtn__bars::before{transform:translateY(5px) rotate(45deg)}
.zl-rail[data-open] .zl-navbtn__bars::after{transform:translateY(-5px) rotate(-45deg)}

/* 导航与门牌 */
.zl-nav{
  border-top:1px solid var(--line-gold-soft);
  overflow-x:auto;
  overflow-y:hidden;
  -webkit-overflow-scrolling:touch;
  overscroll-behavior-x:contain;
  scroll-snap-type:x proximity;
  scrollbar-width:thin;
}
.zl-nav__list{
  display:flex;
  flex-direction:row;
  gap:8px;
  padding:10px 12px;
}
.zl-nav__item{flex:0 0 auto;scroll-snap-align:start}
.zl-rail[data-open] .zl-nav{overflow:visible}
.zl-rail[data-open] .zl-nav__list{flex-wrap:wrap;padding-bottom:14px}
.zl-rail[data-open] .zl-nav__item{flex:1 1 calc(50% - 4px)}

.zl-plate{
  position:relative;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:3px;
  min-width:96px;
  min-height:56px;
  padding:8px 10px;
  border-radius:2px;
  background:rgba(201,161,75,.05);
  box-shadow:inset 0 0 0 1px rgba(201,161,75,.18);
  color:var(--gold-light);
  text-decoration:none;
  transition:background .18s var(--ease),box-shadow .18s var(--ease),color .18s var(--ease);
}
.zl-plate:hover{
  background:rgba(201,161,75,.12);
  box-shadow:inset 0 0 0 1px rgba(201,161,75,.5);
  color:#fff;
}
.zl-plate:focus-visible{outline:2px solid var(--gold);outline-offset:-3px}
.zl-plate[aria-current="page"]{
  background:linear-gradient(180deg,rgba(142,27,34,.66),rgba(42,18,20,.5));
  box-shadow:inset 0 0 0 1px var(--red-cinnabar);
  color:#fff;
}
.zl-plate__num{
  font-family:var(--font-mono);
  font-size:10px;
  line-height:1;
  letter-spacing:.14em;
  color:var(--gold);
  opacity:.72;
}
.zl-plate__label{
  font-size:12.5px;
  font-weight:500;
  line-height:1.22;
  letter-spacing:.06em;
  text-align:center;
}
.zl-plate__tick{
  display:block;
  width:14px;height:2px;
  background:var(--gold);
  transform:scaleX(0);
  opacity:0;
  transition:transform .18s var(--ease),opacity .18s var(--ease);
}
.zl-plate[aria-current="page"] .zl-plate__tick{transform:scaleX(1);opacity:1}
.zl-plate[aria-current="page"] .zl-plate__num{color:var(--gold-light);opacity:1}

/* 返回顶部（移动端浮动金环） */
.zl-rail__foot{
  position:fixed;
  right:16px;bottom:16px;
  z-index:90;
}
.zl-top{
  position:relative;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:5px;
  width:46px;height:46px;
  padding:0;
  border:1px solid rgba(201,161,75,.55);
  border-radius:50%;
  background:rgba(13,10,11,.94);
  color:var(--gold-light);
  font-family:var(--font-sans);
  font-size:11px;
  line-height:1;
  cursor:pointer;
  opacity:0;
  visibility:hidden;
  transform:translateY(10px);
  transition:opacity .2s var(--ease),transform .2s var(--ease),visibility .2s var(--ease),border-color .18s var(--ease);
}
.zl-top[data-shown]{opacity:1;visibility:visible;transform:none}
.zl-top:hover{border-color:var(--gold);color:#fff}
.zl-top:focus-visible{outline:2px solid var(--gold);outline-offset:2px}
.zl-top__mark{
  width:9px;height:9px;
  border-left:2px solid var(--gold);
  border-top:2px solid var(--gold);
  transform:rotate(45deg) translate(1px,1px);
}
.zl-top__label{
  position:absolute;
  width:1px;height:1px;
  padding:0;margin:-1px;
  overflow:hidden;
  clip-path:inset(50%);
  white-space:nowrap;
  border:0;
}

/* 桌面：整条轨道立起来 */
@media (min-width:900px){
  .zl-rail{
    position:fixed;
    inset:0 auto 0 0;
    width:var(--rail-w);
    display:flex;
    flex-direction:column;
    border-bottom:0;
    border-right:1px solid var(--line-gold);
  }
  .zl-rail::before{
    content:"";
    position:absolute;
    top:0;bottom:0;right:5px;
    width:1px;
    background:repeating-linear-gradient(180deg,rgba(201,161,75,.5) 0 6px,transparent 6px 14px);
    pointer-events:none;
  }
  .zl-progress{
    left:auto;right:0;top:0;bottom:auto;
    width:2px;
    height:calc(var(--zl-progress,0) * 1%);
    background:linear-gradient(180deg,var(--gold),var(--red-cinnabar));
    transition:height .12s linear;
  }
  .zl-rail__bar{
    flex-direction:column;
    align-items:center;
    gap:12px;
    padding:18px 6px 14px;
    border-bottom:1px solid var(--line-gold-soft);
  }
  .zl-brand{flex-direction:column;justify-content:center;gap:10px;width:100%}
  .zl-brand__text{font-size:16px;text-align:center}
  .zl-entry{
    flex:0 0 auto;
    width:100%;
    justify-content:center;
    text-align:center;
    padding:8px 6px;
  }
  .zl-navbtn{display:none}
  .zl-nav{
    flex:1 1 auto;
    min-height:0;
    padding:10px var(--rail-pad);
    border-top:0;
    overflow-x:hidden;
    overflow-y:auto;
    scroll-snap-type:none;
  }
  .zl-nav__list{flex-direction:column;gap:6px;padding:0}
  .zl-nav__item{flex:0 0 auto;width:100%}
  .zl-rail[data-open] .zl-nav__item{flex:0 0 auto;width:100%}
  .zl-plate{
    width:100%;
    min-width:0;
    padding:10px 5px;
  }
  .zl-rail__foot{position:static;border-top:1px solid var(--line-gold-soft)}
  .zl-top{
    width:100%;height:auto;
    min-height:52px;
    padding:12px 6px;
    border:0;
    border-radius:0;
    background:transparent;
    font-size:11px;
    letter-spacing:.08em;
    opacity:1;
    visibility:visible;
    transform:none;
  }
  .zl-top__mark{margin-bottom:2px}
  .zl-top__label{
    position:static;
    width:auto;height:auto;
    margin:0;
    clip-path:none;
    overflow:visible;
  }
  .zl-top:hover{background:rgba(201,161,75,.1)}
}

/* ---------- 页脚 ---------- */
.zl-footer{margin:0}
.zl-footer__upper{
  background:var(--paper);
  border-top:1px solid var(--hair-dark);
  padding-block:22px;
}
.zl-footer__row{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px 24px;
}
.zl-footer__brand{display:flex;align-items:center;gap:10px}
.zl-footer__mark{
  width:18px;height:22px;flex:0 0 18px;
  background:linear-gradient(180deg,var(--gold) 0%,var(--red-deep) 100%);
  clip-path:polygon(0 100%,0 30%,50% 0,100% 30%,100% 100%);
}
.zl-footer__name{
  font-family:var(--font-serif);
  font-weight:800;
  font-size:15px;
  letter-spacing:.1em;
  color:var(--ink-text);
}
.zl-legal__list{display:flex;flex-wrap:wrap;gap:6px 22px}
.zl-legal__link{
  display:inline-flex;
  align-items:center;
  min-height:44px;
  color:var(--ink-soft);
  font-size:14px;
  text-decoration:none;
  border-bottom:1px solid transparent;
  transition:color .18s var(--ease),border-color .18s var(--ease);
}
.zl-legal__link:hover{color:var(--red-cinnabar);border-bottom-color:var(--gold)}
.zl-footer__meta{
  margin:0;
  font-size:12.5px;
  color:var(--ink-soft);
}
.zl-footer__icp{
  margin:0 0 0 auto;
  font-family:var(--font-mono);
  font-size:12.5px;
  letter-spacing:.04em;
  color:var(--ink-soft);
}

.zl-footer__lower{
  background:linear-gradient(180deg,#0D0A0B 0%,#1B0D0F 100%);
  border-top:1px solid var(--line-gold);
  color:var(--gold-light);
  padding-block:34px 30px;
}
.zl-footer__row--lower{
  display:grid;
  grid-template-columns:1fr;
  gap:22px;
  align-items:start;
}
@media (min-width:820px){
  .zl-footer__row--lower{
    grid-template-columns:minmax(220px,1fr) minmax(320px,1.5fr);
    gap:28px 40px;
  }
  .zl-footer__copy{grid-column:1 / -1}
}
.zl-footer__claim{
  margin:0;
  font-family:var(--font-serif);
  font-size:17px;
  font-weight:700;
  line-height:1.75;
  letter-spacing:.02em;
  color:var(--gold-light);
}
.zl-contact{display:grid;gap:10px}
.zl-contact__item{
  display:flex;
  flex-wrap:wrap;
  gap:2px 14px;
  font-size:14px;
  line-height:1.75;
}
.zl-contact__key{
  flex:0 0 74px;
  padding-top:2px;
  font-family:var(--font-mono);
  font-size:11.5px;
  letter-spacing:.14em;
  color:var(--gold);
}
.zl-contact__val{
  min-width:0;
  color:rgba(235,217,174,.9);
  overflow-wrap:anywhere;
}
.zl-footer__copy{
  margin:0;
  padding-top:16px;
  border-top:1px solid var(--line-gold-soft);
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.06em;
  color:rgba(235,217,174,.62);
}

/* ---------- 深色分区 ---------- */
.zl-band{
  position:relative;
  background:linear-gradient(160deg,#0D0A0B 0%,#170C0E 58%,#2A1214 100%);
  color:var(--gold-light);
}
.zl-band h1,.zl-band h2,.zl-band h3,.zl-band h4{color:#fff}
.zl-band p{color:rgba(235,217,174,.86)}
.zl-band a{color:var(--gold)}
.zl-band a:hover{color:var(--gold-light)}
.zl-band--cut{clip-path:polygon(0 0,100% 0,100% calc(100% - 44px),0 100%)}
@media (max-width:899px){
  .zl-band--cut{clip-path:polygon(0 0,100% 0,100% calc(100% - 22px),0 100%)}
}

/* ---------- 文本组件 ---------- */
.zl-eyebrow{
  display:inline-block;
  margin:0 0 14px;
  font-family:var(--font-mono);
  font-size:12px;
  font-weight:500;
  letter-spacing:.24em;
  color:var(--red-cinnabar);
}
.zl-band .zl-eyebrow{color:var(--gold)}
.zl-lead{
  font-size:17px;
  line-height:1.9;
  color:var(--ink-soft);
}
.zl-band .zl-lead{color:rgba(235,217,174,.86)}
.zl-prose{max-width:34em}
.zl-prose h2{margin-top:1.6em}
.zl-prose h3{margin-top:1.4em}
.zl-prose ul,.zl-prose ol{margin:0 0 1.2em;padding-left:1.3em}
.zl-prose li{margin-bottom:.5em}

/* ---------- 面包屑 ---------- */
.zl-crumb{
  font-family:var(--font-mono);
  font-size:13px;
  line-height:1.7;
  letter-spacing:.02em;
  color:var(--ink-soft);
}
.zl-crumb ol{display:flex;flex-wrap:wrap;gap:6px}
.zl-crumb li{display:flex;align-items:center;gap:6px}
.zl-crumb li::after{content:"/";color:rgba(201,161,75,.75)}
.zl-crumb li:last-child::after{content:""}
.zl-crumb a{color:var(--red-deep);text-decoration:none}
.zl-crumb a:hover{color:var(--red-cinnabar);text-decoration:underline}
.zl-band .zl-crumb,.zl-band .zl-crumb a{color:rgba(235,217,174,.75)}

/* ---------- 网格与卡片 ---------- */
.zl-grid{display:grid;gap:22px}
.zl-grid--2{grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}
.zl-grid--3{grid-template-columns:repeat(auto-fit,minmax(238px,1fr))}
@media (min-width:760px){
  .zl-grid--offset > *:nth-child(even){transform:translateY(18px)}
}
.zl-card{
  position:relative;
  padding:22px 22px 24px;
  background:var(--paper);
  border:1px solid rgba(90,82,76,.18);
  border-radius:2px;
  box-shadow:var(--shadow-card);
}
.zl-card::before{
  content:"";
  position:absolute;
  left:-1px;top:18px;
  width:3px;height:34px;
  background:var(--red-deep);
}
.zl-card h3{margin-bottom:.4em}
.zl-card p:last-child{margin-bottom:0}
.zl-card--dark{
  background:var(--ink-warm);
  border-color:rgba(201,161,75,.28);
  color:var(--gold-light);
  box-shadow:none;
}
.zl-card--dark h3{color:#fff}
.zl-card--dark p{color:rgba(235,217,174,.85)}
.zl-card--dark::before{background:var(--gold)}

/* ---------- 标签 ---------- */
.zl-tag{
  display:inline-flex;
  align-items:center;
  min-height:24px;
  padding:3px 10px;
  border:1px solid rgba(142,27,34,.28);
  border-radius:2px;
  background:rgba(142,27,34,.07);
  color:var(--red-deep);
  font-family:var(--font-mono);
  font-size:12px;
  font-weight:500;
  letter-spacing:.06em;
  line-height:1;
}
.zl-tag--gold{
  border-color:rgba(201,161,75,.55);
  background:rgba(201,161,75,.14);
  color:#6B4F14;
}
.zl-band .zl-tag{color:var(--gold-light);border-color:rgba(201,161,75,.45);background:rgba(201,161,75,.12)}
.zl-band .zl-tag--gold{color:var(--gold-light)}

/* ---------- 图片占位容器 ---------- */
.zl-figure{
  position:relative;
  display:block;
  margin:0;
  overflow:hidden;
  border-radius:2px;
  background:linear-gradient(135deg,#2A1214 0%,#0D0A0B 62%,#8E1B22 145%);
}
.zl-figure::after{
  content:"";
  position:absolute;
  inset:0;
  background-image:radial-gradient(rgba(201,161,75,.2) 1px,transparent 1px);
  background-size:14px 14px;
  opacity:.55;
  pointer-events:none;
}
.zl-figure > img,
.zl-figure > svg,
.zl-figure > picture,
.zl-figure > video{
  position:relative;
  z-index:1;
  width:100%;
  height:100%;
  object-fit:cover;
}
.zl-figure--wide{aspect-ratio:16 / 9}
.zl-figure--square{aspect-ratio:1 / 1}
.zl-figure--tall{aspect-ratio:3 / 4}
.zl-figure--diag{clip-path:polygon(0 0,100% 0,100% 88%,0 100%)}
.zl-figure__cap{
  display:block;
  padding:10px 2px 0;
  font-size:13px;
  line-height:1.7;
  color:var(--ink-soft);
}
.zl-band .zl-figure__cap{color:rgba(235,217,174,.72)}

/* ---------- 章节目录 ---------- */
.zl-index{font-size:14px;line-height:1.6}
.zl-index a{
  display:block;
  padding:8px 0 8px 16px;
  border-left:1px solid rgba(201,161,75,.35);
  color:var(--ink-soft);
  text-decoration:none;
  transition:color .18s var(--ease),border-color .18s var(--ease),padding-left .18s var(--ease);
}
.zl-index a:hover,
.zl-index a[aria-current="true"]{
  color:var(--red-deep);
  border-left-color:var(--red-cinnabar);
  padding-left:20px;
}

/* ---------- 按钮 ---------- */
.zl-btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:44px;
  padding:12px 22px;
  border:1px solid transparent;
  border-radius:2px;
  font-family:var(--font-sans);
  font-size:15px;
  font-weight:500;
  line-height:1;
  letter-spacing:.04em;
  text-decoration:none;
  cursor:pointer;
  transition:background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease),transform .18s var(--ease);
}
.zl-btn:hover{transform:translateY(-1px)}
.zl-btn--solid{background:var(--red-cinnabar);border-color:var(--red-cinnabar);color:#fff}
.zl-btn--solid:hover{background:var(--red-deep);border-color:var(--red-deep);color:#fff}
.zl-btn--gold{background:var(--gold);border-color:var(--gold);color:var(--ink)}
.zl-btn--gold:hover{background:var(--gold-light);border-color:var(--gold-light);color:var(--ink)}
.zl-btn--ghost{background:transparent;border-color:rgba(201,161,75,.55);color:var(--gold)}
.zl-btn--ghost:hover{border-color:var(--gold);color:var(--gold-light)}
.zl-btn--ink{background:var(--ink);border-color:var(--ink);color:var(--paper)}
.zl-btn--ink:hover{background:var(--ink-warm);border-color:var(--ink-warm);color:#fff}

/* ---------- 进入视区显现 ---------- */
.zl-js .zl-reveal{
  opacity:0;
  transform:translateY(12px);
  transition:opacity .26s var(--ease),transform .26s var(--ease);
}
.zl-js .zl-reveal.is-in{opacity:1;transform:none}

/* ---------- 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;
  }
  .zl-js .zl-reveal{opacity:1;transform:none}
  .zl-btn:hover{transform:none}
  .zl-grid--offset > *:nth-child(even){transform:none}
}