/* ===========================================================
   雷电竞电竞 · 共享样式 /assets/site.css
   深渊靛暗底 + 电光青刻度 + 奶油纸特稿面板
   =========================================================== */

/* ---------- 1. Reset ---------- */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;text-size-adjust:100%;scroll-behavior:smooth;}
body{margin:0;}
h1,h2,h3,h4,h5,h6,p,figure,blockquote,dl,dd{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font:inherit;color:inherit;}
button{background:none;border:0;padding:0;cursor:pointer;}
img,svg,video{display:block;max-width:100%;}
table{border-collapse:collapse;width:100%;}
[hidden]{display:none !important;}

/* ---------- 2. Tokens ---------- */
:root{
  --lr-abyss:#0A0E22;
  --lr-night:#131A38;
  --lr-scale:#0E2A34;
  --lr-cyan:#35E6FF;
  --lr-cyan-soft:#8FF3FF;
  --lr-violet:#8B5CFF;
  --lr-alert:#FFD24A;
  --lr-pulse:#FF5630;
  --lr-paper:#F4E9D6;
  --lr-ink:#1B1410;
  --lr-mist:#9AA6C8;
  --lr-white:#F5F8FF;

  --lr-line:rgba(53,230,255,.30);
  --lr-line-soft:rgba(154,166,200,.26);
  --lr-glow:0 0 22px -4px rgba(53,230,255,.75);
  --lr-glow-strong:0 0 34px -6px rgba(53,230,255,.9);

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

  --lr-wrap:1240px;
  --lr-pad:clamp(16px,3.6vw,40px);
  --lr-radius:3px;
}

/* ---------- 3. 基础排版与暗底氛围 ---------- */
body{
  background-color:var(--lr-abyss);
  background-image:
    repeating-linear-gradient(90deg, rgba(53,230,255,.05) 0 1px, transparent 1px 96px),
    repeating-linear-gradient(0deg, rgba(53,230,255,.04) 0 1px, transparent 1px 96px),
    radial-gradient(900px 620px at 10% -12%, rgba(139,92,255,.20), transparent 62%),
    radial-gradient(820px 540px at 94% 6%, rgba(53,230,255,.13), transparent 64%);
  background-attachment:fixed;
  color:var(--lr-white);
  font-family:var(--lr-font-body);
  font-size:16px;
  line-height:1.62;
  min-height:100vh;
}
:focus-visible{outline:2px solid var(--lr-cyan);outline-offset:2px;}
#main-content{display:block;scroll-margin-top:140px;}
.lr-main{display:block;}
.lr-sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0;}

/* ---------- 4. Skip link ---------- */
.lr-skip{
  position:absolute;left:12px;top:-70px;z-index:140;
  padding:10px 18px;background:var(--lr-cyan);color:var(--lr-ink);
  font-size:13px;letter-spacing:.12em;font-weight:700;
  border-radius:0 0 var(--lr-radius) var(--lr-radius);
  transition:top .2s ease;
}
.lr-skip:focus{top:0;}

/* ---------- 5. 页头 ---------- */
.lr-header{
  position:sticky;top:0;z-index:80;
  background:linear-gradient(180deg, rgba(10,14,34,.97) 0%, rgba(10,14,34,.90) 100%);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--lr-line);
  box-shadow:0 1px 0 rgba(53,230,255,.18), 0 22px 46px -32px rgba(53,230,255,.6);
}
.lr-header::after{
  content:"";position:absolute;left:0;right:0;bottom:-1px;height:1px;
  background:linear-gradient(90deg, transparent, var(--lr-cyan), transparent);
  opacity:.7;pointer-events:none;
}

/* 刊头 */
.lr-masthead{
  display:grid;grid-template-columns:minmax(0,1fr) auto minmax(0,1fr);
  align-items:center;gap:16px;
  max-width:1320px;margin:0 auto;
  padding:14px var(--lr-pad) 12px;
  border-bottom:1px dashed var(--lr-line-soft);
  box-shadow:0 1px 0 rgba(53,230,255,.5);
}
.lr-ticker{display:flex;flex-direction:column;gap:3px;font-family:var(--lr-font-mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;}
.lr-ticker--left{align-items:flex-start;text-align:left;}
.lr-ticker--right{align-items:flex-end;text-align:right;}
.lr-ticker__label{color:var(--lr-mist);}
.lr-ticker__value{color:var(--lr-cyan);letter-spacing:.1em;font-variant-numeric:tabular-nums;}
.lr-ticker__link{
  color:var(--lr-mist);font-size:11px;letter-spacing:.18em;
  border-bottom:1px solid var(--lr-line);padding-bottom:1px;
  transition:color .18s ease,border-color .18s ease;
}
.lr-ticker__link:hover{color:var(--lr-cyan);border-color:var(--lr-cyan);}
.lr-status{display:inline-flex;align-items:center;gap:6px;color:var(--lr-cyan-soft);font-size:10.5px;letter-spacing:.16em;}
.lr-status__dot{
  width:7px;height:7px;border-radius:50%;background:var(--lr-alert);
  box-shadow:0 0 10px var(--lr-alert);
  animation:lr-dot 2.4s ease-in-out infinite;
}
@keyframes lr-dot{0%,100%{opacity:1;transform:scale(1);}50%{opacity:.45;transform:scale(.78);}}

.lr-brand{display:flex;flex-direction:column;align-items:center;gap:2px;text-align:center;}
.lr-brand__mark svg{margin:0 auto;filter:drop-shadow(0 0 10px rgba(53,230,255,.75));}
.lr-brand__word{
  font-family:var(--lr-font-display);font-weight:300;
  font-size:clamp(22px,3.2vw,40px);line-height:1.1;
  letter-spacing:.18em;text-indent:.18em;color:var(--lr-white);
  text-shadow:0 0 26px rgba(53,230,255,.35);
}
.lr-brand__sub{font-family:var(--lr-font-mono);font-size:10px;letter-spacing:.34em;text-indent:.34em;color:var(--lr-mist);}

/* 栏目条 */
.lr-navbar{
  position:relative;
  max-width:1320px;margin:0 auto;
  padding:0 var(--lr-pad);
  min-height:54px;
  display:flex;align-items:center;gap:12px;
}
.lr-nav{flex:1 1 auto;min-width:0;}
.lr-nav__list{display:flex;flex-wrap:wrap;align-items:center;gap:2px;}
.lr-nav__item{position:relative;}
.lr-nav__link{
  position:relative;z-index:1;display:block;
  padding:10px 13px;font-size:12px;letter-spacing:.18em;
  color:var(--lr-mist);
  transition:color .18s ease,transform .18s ease;
}
.lr-nav__link::before{
  content:"";position:absolute;inset:5px -3px;z-index:-1;
  background:linear-gradient(120deg, rgba(139,92,255,.60), rgba(139,92,255,0));
  transform:skewX(-14deg) scaleX(.4);transform-origin:left center;
  opacity:0;transition:opacity .2s ease,transform .2s ease;
}
.lr-nav__link::after{
  content:"";position:absolute;left:13px;right:13px;bottom:3px;height:2px;
  background:var(--lr-cyan);box-shadow:0 0 10px var(--lr-cyan);
  transform:scaleX(0);transform-origin:left center;
  transition:transform .22s ease;
}
.lr-nav__link:hover{color:var(--lr-cyan-soft);transform:translate(2px,-2px);}
.lr-nav__link:hover::before{opacity:.7;transform:skewX(-14deg) scaleX(1);}
.lr-nav__link[aria-current="page"]{color:var(--lr-white);}
.lr-nav__link[aria-current="page"]::before{opacity:1;transform:skewX(-14deg) scaleX(1);}
.lr-nav__link[aria-current="page"]::after{transform:scaleX(1);}
.lr-nav__empty{padding:12px 13px;font-family:var(--lr-font-mono);font-size:11px;letter-spacing:.18em;color:var(--lr-mist);}

.lr-nav-toggle{
  display:none;align-items:center;gap:9px;
  padding:9px 13px;border:1px solid var(--lr-line);
  background:rgba(19,26,56,.8);color:var(--lr-cyan);
  font-size:12px;letter-spacing:.18em;border-radius:var(--lr-radius);
  transition:border-color .18s ease,color .18s ease,box-shadow .18s ease;
}
.lr-nav-toggle__bars{display:inline-flex;flex-direction:column;gap:3px;}
.lr-nav-toggle__bars i{display:block;width:16px;height:2px;background:currentColor;transition:transform .2s ease,opacity .2s ease;}
.lr-nav-toggle__text{font-family:var(--lr-font-mono);}

.lr-utility{display:flex;align-items:center;gap:10px;margin-left:auto;}
.lr-search{
  display:flex;align-items:center;gap:8px;
  padding:7px 12px;border:1px solid var(--lr-line-soft);
  background:rgba(19,26,56,.72);border-radius:var(--lr-radius);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.lr-search__input{width:150px;background:transparent;border:0;outline:0;font-size:13px;letter-spacing:.06em;}
.lr-search__input::placeholder{color:var(--lr-mist);}
.lr-search:focus-within{border-color:var(--lr-cyan);box-shadow:var(--lr-glow);animation:lr-current 2.4s ease-in-out infinite;}
@keyframes lr-current{
  0%,100%{box-shadow:0 0 0 1px rgba(53,230,255,.35), 0 0 14px -6px rgba(53,230,255,.7);}
  50%{box-shadow:0 0 0 1px rgba(53,230,255,.7), 0 0 26px -2px rgba(53,230,255,.9);}
}

/* 进度条 */
.lr-progress{position:absolute;left:0;right:0;bottom:0;height:2px;background:rgba(154,166,200,.14);overflow:hidden;}
.lr-progress__bar{
  display:block;height:100%;width:var(--lr-progress,0%);
  background:linear-gradient(90deg, var(--lr-violet), var(--lr-cyan) 60%, var(--lr-alert));
  box-shadow:0 0 12px rgba(53,230,255,.9);
  transition:width .12s linear;
}

/* ---------- 6. 通用按钮 ---------- */
.lr-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:10px 18px;font-size:12.5px;letter-spacing:.14em;
  border:1px solid transparent;border-radius:var(--lr-radius);
  cursor:pointer;white-space:nowrap;
  transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease;
}
.lr-btn:hover{transform:translate(2px,-2px);}
.lr-btn--primary{background:var(--lr-cyan);color:var(--lr-ink);font-weight:700;}
.lr-btn--primary:hover{box-shadow:var(--lr-glow-strong), 5px 5px 0 rgba(53,230,255,.20);}
.lr-btn--ghost{border-color:var(--lr-line);color:var(--lr-cyan-soft);background:rgba(19,26,56,.6);}
.lr-btn--ghost:hover{border-color:var(--lr-cyan);color:var(--lr-white);box-shadow:var(--lr-glow);}
.lr-btn--violet{background:var(--lr-violet);color:var(--lr-white);font-weight:600;}
.lr-btn--violet:hover{box-shadow:0 0 22px -4px rgba(139,92,255,.85), 5px 5px 0 rgba(139,92,255,.22);}
.lr-btn--pulse{background:var(--lr-pulse);color:var(--lr-white);font-weight:600;}
.lr-btn--pulse:hover{box-shadow:0 0 22px -4px rgba(255,86,48,.85), 5px 5px 0 rgba(255,86,48,.22);}
.lr-btn__dot{width:7px;height:7px;border-radius:50%;background:currentColor;box-shadow:0 0 8px currentColor;}
.lr-btn.is-flash{animation:lr-flash 1.2s ease-out 1;}
@keyframes lr-flash{
  0%{background-color:rgba(53,230,255,.25);color:var(--lr-white);}
  35%{background-color:rgba(53,230,255,.95);color:var(--lr-ink);box-shadow:var(--lr-glow-strong);}
  100%{background-color:transparent;color:var(--lr-cyan-soft);}
}

/* ---------- 7. 通用布局与排版 ---------- */
.lr-container{width:100%;max-width:var(--lr-wrap);margin:0 auto;padding:0 var(--lr-pad);}
.lr-section{padding:clamp(40px,7vw,88px) 0;}
.lr-grid{display:grid;gap:clamp(14px,2vw,24px);}
.lr-grid--2{grid-template-columns:repeat(2,minmax(0,1fr));}
.lr-grid--3{grid-template-columns:repeat(3,minmax(0,1fr));}
.lr-grid--4{grid-template-columns:repeat(4,minmax(0,1fr));}
.lr-rule{height:14px;border:0;margin:0;border-top:1px solid var(--lr-line-soft);
  background-image:repeating-linear-gradient(90deg, rgba(53,230,255,.5) 0 1px, transparent 1px 12px);
  background-repeat:repeat-x;background-size:auto 8px;background-position:top left;}

.lr-index-label{display:inline-block;font-family:var(--lr-font-mono);font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:var(--lr-cyan);}
.lr-display{font-family:var(--lr-font-display);font-weight:300;font-size:clamp(40px,7vw,112px);line-height:1.02;letter-spacing:.08em;color:var(--lr-white);}
.lr-h2{font-family:var(--lr-font-display);font-weight:800;font-size:clamp(20px,3vw,34px);line-height:1.15;letter-spacing:.01em;color:var(--lr-white);transform:skewX(-4deg);}
.lr-h3{font-size:clamp(16px,2vw,20px);font-weight:700;letter-spacing:.01em;color:var(--lr-white);}
.lr-numeric{font-family:var(--lr-font-mono);font-variant-numeric:tabular-nums;font-size:clamp(32px,5vw,84px);line-height:1;letter-spacing:-.02em;color:var(--lr-cyan);}
.lr-lede{max-width:68ch;font-size:15.5px;line-height:1.65;color:var(--lr-mist);}
.lr-text-mist{color:var(--lr-mist);}

/* ---------- 8. 面板 / 卡片 / 标签 ---------- */
.lr-panel{position:relative;padding:clamp(18px,2.6vw,30px);background:var(--lr-night);border:1px solid var(--lr-line);border-radius:var(--lr-radius);}
.lr-panel--paper{background:var(--lr-paper);color:var(--lr-ink);border:2px solid var(--lr-ink);border-radius:0;box-shadow:10px 10px 0 rgba(27,20,16,.92);}
.lr-panel--paper .lr-h2,.lr-panel--paper .lr-h3,.lr-panel--paper .lr-display{color:var(--lr-ink);}
.lr-panel--paper .lr-lede,.lr-panel--paper .lr-text-mist{color:#4A3A2C;}
.lr-panel--paper .lr-index-label{color:#8A3A14;}
.lr-panel--violet{background:linear-gradient(140deg, rgba(139,92,255,.30), rgba(19,26,56,.92));border-color:rgba(139,92,255,.55);}
.lr-panel--cut{clip-path:polygon(0 0,100% 0,100% calc(100% - 22px),calc(100% - 22px) 100%,0 100%);}

.lr-card{
  position:relative;display:flex;flex-direction:column;gap:12px;
  padding:20px;background:rgba(19,26,56,.86);
  border:1px solid var(--lr-line-soft);border-left:3px solid var(--lr-cyan);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.lr-card:hover{transform:translate(4px,-4px);border-color:var(--lr-cyan);box-shadow:var(--lr-glow), 8px 8px 0 -2px rgba(53,230,255,.14);}

.lr-tag{display:inline-flex;align-items:center;gap:6px;padding:4px 9px;font-family:var(--lr-font-mono);font-size:11px;letter-spacing:.14em;border:1px solid var(--lr-line);background:rgba(53,230,255,.08);color:var(--lr-cyan-soft);}
.lr-tag--violet{border-color:rgba(139,92,255,.6);background:rgba(139,92,255,.16);color:#C8B4FF;}
.lr-tag--alert{border-color:rgba(255,210,74,.6);background:rgba(255,210,74,.14);color:var(--lr-alert);}
.lr-tag--pulse{border-color:rgba(255,86,48,.6);background:rgba(255,86,48,.14);color:#FF8B6E;}

/* ---------- 9. 数据表 ---------- */
.lr-table{width:100%;font-size:14px;}
.lr-table th,.lr-table td{padding:10px 12px;text-align:left;border-bottom:1px solid var(--lr-line-soft);}
.lr-table thead th{font-family:var(--lr-font-mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--lr-mist);}
.lr-table tbody tr:nth-child(even){background:rgba(19,26,56,.55);}
.lr-table tbody tr:hover{background:rgba(53,230,255,.08);}

/* ---------- 10. 图片容器（供页面阶段放置占位） ---------- */
.lr-figure{position:relative;margin:0;background:var(--lr-night);border:1px solid var(--lr-line);overflow:hidden;}
.lr-figure::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:repeating-linear-gradient(180deg, rgba(53,230,255,.06) 0 1px, transparent 1px 4px);
}
.lr-figure__media{position:relative;width:100%;aspect-ratio:16/9;overflow:hidden;background:linear-gradient(135deg, var(--lr-night) 0%, var(--lr-scale) 100%);}
.lr-figure__media > img,.lr-figure__media > svg{width:100%;height:100%;object-fit:cover;}
.lr-figure--4x3 .lr-figure__media{aspect-ratio:4/3;}
.lr-figure--1x1 .lr-figure__media{aspect-ratio:1/1;}
.lr-figure--21x9 .lr-figure__media{aspect-ratio:21/9;}
.lr-figure__caption{padding:10px 14px;font-family:var(--lr-font-mono);font-size:11px;letter-spacing:.16em;color:var(--lr-mist);border-top:1px dashed var(--lr-line-soft);}

/* ---------- 11. 面包屑 ---------- */
.lr-breadcrumb{padding:18px 0 0;}
.lr-breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-family:var(--lr-font-mono);font-size:11px;letter-spacing:.16em;color:var(--lr-mist);}
.lr-breadcrumb li + li::before{content:"/";margin-right:8px;color:var(--lr-line);}
.lr-breadcrumb a:hover{color:var(--lr-cyan);}
.lr-breadcrumb [aria-current="page"]{color:var(--lr-cyan-soft);}

/* ---------- 12. 动效协议 ---------- */
[data-reveal]{opacity:0;transform:translateY(16px);transition:opacity .6s ease,transform .6s ease;}
[data-reveal].is-visible{opacity:1;transform:none;}

/* ---------- 13. 页脚 ---------- */
.lr-footer{
  position:relative;margin-top:clamp(48px,8vw,96px);
  background:linear-gradient(180deg, rgba(19,26,56,.70) 0%, rgba(10,14,34,1) 100%);
  border-top:1px solid var(--lr-line);
}
.lr-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:9px;opacity:.65;pointer-events:none;
  background:repeating-linear-gradient(90deg, var(--lr-cyan) 0 1px, transparent 1px 14px);
}
.lr-footer__inner{max-width:1320px;margin:0 auto;padding:clamp(38px,6vw,68px) var(--lr-pad) 26px;}
.lr-footer__grid{display:grid;grid-template-columns:minmax(230px,1.5fr) repeat(4,minmax(130px,1fr));gap:clamp(20px,3vw,38px);}
.lr-footer__brand{display:flex;flex-direction:column;align-items:flex-start;gap:8px;}
.lr-footer__mark svg{filter:drop-shadow(0 0 10px rgba(255,210,74,.6));}
.lr-footer__word{font-family:var(--lr-font-display);font-weight:300;font-size:24px;letter-spacing:.18em;color:var(--lr-white);}
.lr-footer__sub{font-family:var(--lr-font-mono);font-size:10px;letter-spacing:.32em;color:var(--lr-mist);}
.lr-footer__desc{max-width:34ch;font-size:13.5px;line-height:1.7;color:var(--lr-mist);margin-top:4px;}
.lr-footer__brand .lr-btn{margin-top:8px;}
.lr-footer__title{font-family:var(--lr-font-mono);font-size:11px;font-weight:400;letter-spacing:.18em;text-transform:uppercase;color:var(--lr-cyan);padding-bottom:10px;border-bottom:1px dashed var(--lr-line-soft);}
.lr-footer__list{display:flex;flex-direction:column;gap:9px;margin-top:14px;}
.lr-footer__link{font-size:13.5px;color:var(--lr-mist);transition:color .18s ease,transform .18s ease;display:inline-block;}
.lr-footer__link:hover{color:var(--lr-cyan-soft);transform:translateX(3px);}
.lr-footer__contact{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px 28px;margin-top:clamp(28px,4vw,50px);padding-top:22px;border-top:1px dashed var(--lr-line-soft);}
.lr-footer__contact-item{display:flex;flex-direction:column;gap:4px;}
.lr-footer__contact-label{font-family:var(--lr-font-mono);font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:var(--lr-mist);}
.lr-footer__contact-value{font-size:14.5px;color:var(--lr-white);font-variant-numeric:tabular-nums;}
.lr-footer__bottom{display:flex;flex-wrap:wrap;align-items:baseline;justify-content:space-between;gap:10px 24px;margin-top:22px;padding-top:16px;border-top:1px solid var(--lr-line-soft);}
.lr-footer__legal{font-family:var(--lr-font-mono);font-size:12px;letter-spacing:.12em;color:var(--lr-cyan-soft);}
.lr-footer__note{flex:1 1 320px;max-width:70ch;font-size:12px;line-height:1.65;color:var(--lr-mist);}
.lr-footer__year{font-family:var(--lr-font-mono);font-size:12px;color:var(--lr-mist);}

/* ---------- 14. 响应式 ---------- */
@media (max-width:1100px){
  .lr-search__input{width:110px;}
  .lr-footer__grid{grid-template-columns:repeat(3,minmax(0,1fr));}
  .lr-footer__brand{grid-column:1 / -1;}
}
@media (max-width:1024px){
  .lr-grid--4{grid-template-columns:repeat(2,minmax(0,1fr));}
  .lr-grid--3{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (max-width:960px){
  .lr-masthead{grid-template-columns:minmax(0,1fr);justify-items:center;padding-top:12px;}
  .lr-ticker{display:none;}
  .lr-nav-toggle{display:inline-flex;}
  .lr-nav{
    position:absolute;top:100%;
    left:calc(var(--lr-pad) * -1);right:calc(var(--lr-pad) * -1);
    display:none;padding:6px 0 10px;
    background:rgba(10,14,34,.98);
    border-top:1px solid var(--lr-line);border-bottom:1px solid var(--lr-line);
    box-shadow:0 26px 44px -26px rgba(0,0,0,.95);
    max-height:min(72vh,540px);overflow-y:auto;
  }
  .lr-header[data-open] .lr-nav{display:block;}
  .lr-nav__list{flex-direction:column;align-items:stretch;gap:0;}
  .lr-nav__item + .lr-nav__item{border-top:1px dashed var(--lr-line-soft);}
  .lr-nav__link{padding:15px var(--lr-pad);font-size:13px;letter-spacing:.2em;}
  .lr-nav__link:hover{transform:none;}
  .lr-nav__link::before{inset:7px 10px 7px 0;transform-origin:left center;}
  .lr-nav__link::after{left:var(--lr-pad);right:auto;width:24px;bottom:9px;}
  .lr-nav__empty{padding:15px var(--lr-pad);}
  .lr-header[data-open] .lr-nav-toggle{border-color:var(--lr-cyan);color:var(--lr-white);box-shadow:var(--lr-glow);}
  .lr-header[data-open] .lr-nav-toggle__bars i:nth-child(1){transform:translateY(5px) rotate(45deg);}
  .lr-header[data-open] .lr-nav-toggle__bars i:nth-child(2){opacity:0;}
  .lr-header[data-open] .lr-nav-toggle__bars i:nth-child(3){transform:translateY(-5px) rotate(-45deg);}
  .lr-utility{margin-left:auto;}
}
@media (max-width:720px){
  .lr-footer__grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .lr-footer__bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:640px){
  .lr-search{display:none;}
  .lr-grid--2,.lr-grid--3,.lr-grid--4{grid-template-columns:minmax(0,1fr);}
}
@media (max-width:460px){
  .lr-footer__grid{grid-template-columns:minmax(0,1fr);}
  .lr-brand__word{letter-spacing:.12em;text-indent:.12em;}
  .lr-btn{padding:9px 14px;font-size:12px;}
}

/* ---------- 15. 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;
  }
  [data-reveal]{opacity:1;transform:none;}
  .lr-progress__bar{transition:none;}
}