/* ===== 乐鱼赛场 · 共享样式 /assets/site.css ===== */

:root{
  --deep:#071A2B;
  --deep-2:#0E2A40;
  --deep-3:#133B57;
  --cyan:#37F0D6;
  --cyan-2:#2BA8C9;
  --coral:#FF6B4A;
  --sand:#E8B96B;
  --stone:#7E8C99;
  --moss:#4E7C5A;
  --paper:#F2EFE6;

  --line:rgba(55,240,214,.16);
  --line-soft:rgba(126,140,153,.24);

  --rail-w:88px;
  --topbar-h:64px;
  --toolbar-h:40px;
  --search-row:0px;
  --header-h:104px;

  --cut:14px;
  --cut-lg:22px;
  --maxw:1240px;
  --gap:24px;
  --ease:cubic-bezier(.2,.7,.3,1);

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

*,*::before,*::after{box-sizing:border-box}

html{
  background:var(--deep);
  scroll-behavior:smooth;
  -webkit-text-size-adjust:100%;
}

body{
  margin:0;
  padding-left:var(--rail-w);
  padding-top:var(--header-h);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.75;
  letter-spacing:.01em;
  color:var(--paper);
  background-color:var(--deep);
  background-image:
    radial-gradient(72rem 44rem at 86% -12%,rgba(43,168,201,.18),transparent 62%),
    radial-gradient(52rem 36rem at 4% 104%,rgba(255,107,74,.09),transparent 62%),
    linear-gradient(rgba(55,240,214,.045) 1px,transparent 1px),
    linear-gradient(90deg,rgba(55,240,214,.045) 1px,transparent 1px);
  background-size:auto,auto,64px 64px,64px 64px;
  background-attachment:fixed,fixed,scroll,scroll;
  overflow-x:hidden;
}

body.is-locked{overflow:hidden}

img,svg{max-width:100%}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
a{color:var(--cyan-2);text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:3px}
a:hover{color:var(--cyan)}
p{margin:0 0 1em}
ul{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0 0 .5em;font-weight:900;letter-spacing:.04em;line-height:1.2}
[hidden]{display:none !important}

:focus-visible{
  outline:2px solid var(--cyan);
  outline-offset:3px;
  border-radius:2px;
}

/* ---------- 通用工具 ---------- */
.shell{
  width:100%;
  max-width:var(--maxw);
  margin-inline:auto;
  padding-inline:clamp(18px,3vw,40px);
}
.page-main{padding-block:clamp(28px,5vw,56px) clamp(40px,6vw,72px)}
.stack{display:flex;flex-direction:column;gap:var(--gap)}
.asym{display:grid;grid-template-columns:minmax(0,8fr) minmax(0,3fr);gap:var(--gap);align-items:start}
.mono{font-family:var(--font-mono);font-size:.85em;letter-spacing:.08em;color:var(--cyan)}

.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--font-mono);font-size:12px;letter-spacing:.18em;
  text-transform:uppercase;color:var(--cyan-2);margin:0 0 12px;
}
.eyebrow::before{content:"";width:26px;height:1px;background:var(--cyan)}

.tag{
  display:inline-block;
  font-family:var(--font-mono);font-size:12px;letter-spacing:.1em;
  padding:3px 10px;
  color:var(--cyan);
  background:rgba(55,240,214,.08);
  box-shadow:inset 0 -1px 0 rgba(55,240,214,.5);
  clip-path:polygon(6px 0,100% 0,100% calc(100% - 6px),calc(100% - 6px) 100%,0 100%,0 6px);
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  min-height:46px;padding:12px 24px;
  font-size:15px;font-weight:700;letter-spacing:.06em;
  text-decoration:none;color:var(--deep);
  background:var(--coral);
  clip-path:polygon(var(--cut) 0,100% 0,100% calc(100% - var(--cut)),calc(100% - var(--cut)) 100%,0 100%,0 var(--cut));
  transition:transform .28s var(--ease),filter .28s var(--ease);
}
.btn:hover{filter:brightness(1.08);transform:translateY(-2px)}
.btn:focus-visible{outline:none;box-shadow:inset 0 0 0 3px var(--deep),inset 0 0 0 5px var(--cyan)}
.btn--ghost{background:transparent;color:var(--cyan);box-shadow:inset 0 0 0 1px rgba(55,240,214,.55)}
.btn--ghost:hover{background:rgba(55,240,214,.1)}

/* ---------- 卡片 / 表格类容器 ---------- */
.cut-card{
  position:relative;
  padding:clamp(18px,2.4vw,26px);
  background:linear-gradient(158deg,rgba(19,59,87,.94),rgba(14,42,64,.94));
  box-shadow:inset 0 0 0 1px var(--line);
  clip-path:polygon(var(--cut-lg) 0,100% 0,100% calc(100% - var(--cut-lg)),calc(100% - var(--cut-lg)) 100%,0 100%,0 var(--cut-lg));
}
.note-card{
  padding:clamp(16px,2vw,22px);
  background:rgba(19,59,87,.28);
  box-shadow:inset 0 0 0 1px var(--line-soft);
  clip-path:polygon(var(--cut) 0,100% 0,100% calc(100% - var(--cut)),calc(100% - var(--cut)) 100%,0 100%,0 var(--cut));
}
.link-more{
  display:inline-flex;align-items:center;gap:8px;
  font-weight:700;font-size:15px;letter-spacing:.04em;
  color:var(--cyan);text-decoration:none;
}
.link-more::after{content:"→";transition:transform .28s var(--ease)}
.link-more:hover::after{transform:translateX(4px)}

/* ---------- 面包屑 ---------- */
.crumbs{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-family:var(--font-mono);font-size:12px;letter-spacing:.1em;
  color:var(--stone);margin:0 0 20px;
}
.crumbs li{display:flex;align-items:center;gap:8px}
.crumbs li+li::before{content:"›";color:var(--deep-3)}
.crumbs a{color:var(--stone);text-decoration:none}
.crumbs a:hover{color:var(--cyan)}
.crumbs [aria-current="page"]{color:var(--paper)}

/* ---------- 图片容器 ---------- */
.figure{
  position:relative;margin:0;overflow:hidden;
  background:linear-gradient(150deg,var(--deep-3),var(--deep-2) 55%,var(--deep));
  box-shadow:inset 0 0 0 1px var(--line);
  clip-path:polygon(var(--cut) 0,100% 0,100% calc(100% - var(--cut)),calc(100% - var(--cut)) 100%,0 100%,0 var(--cut));
}
.figure::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(160deg,rgba(55,240,214,.07) 0 1px,transparent 1px 9px);
  mix-blend-mode:screen;
}
.figure > img,.figure__img{display:block;width:100%;height:100%;object-fit:cover}
.figure--16x9{aspect-ratio:16/9}
.figure--4x3{aspect-ratio:4/3}
.figure--1x1{aspect-ratio:1/1}
.figure--21x9{aspect-ratio:21/9}
.figure__cap{
  margin:10px 0 0;font-size:13px;line-height:1.6;color:var(--stone);
}

/* ---------- 跳转与进度 ---------- */
.skip-link{
  position:fixed;left:12px;top:12px;z-index:200;
  padding:10px 18px;
  font-weight:700;font-size:14px;
  color:var(--deep);background:var(--cyan);
  text-decoration:none;
  clip-path:polygon(10px 0,100% 0,100% calc(100% - 10px),calc(100% - 10px) 100%,0 100%,0 10px);
  transform:translateY(-160%);
  transition:transform .24s var(--ease);
}
.skip-link:focus-visible{transform:translateY(0);outline-offset:4px}

.scroll-progress{
  position:absolute;left:0;right:0;bottom:-1px;height:2px;
  background:rgba(55,240,214,.12);z-index:5;pointer-events:none;
}
.scroll-progress__bar{
  display:block;height:100%;width:100%;
  transform:scaleX(0);transform-origin:0 50%;
  background:linear-gradient(90deg,var(--cyan),var(--cyan-2) 62%,var(--coral));
}

/* ---------- 头部 ---------- */
.site-header{position:fixed;top:0;left:0;right:0;z-index:60}

.topbar{
  height:var(--topbar-h);
  background:rgba(7,26,43,.94);
  box-shadow:inset 0 -1px 0 var(--line);
  backdrop-filter:blur(10px);
}
.topbar__inner{
  height:100%;
  max-width:1500px;margin-inline:auto;
  padding-inline:clamp(16px,2.4vw,32px);
  display:flex;align-items:center;gap:clamp(12px,2vw,28px);
}

.brand{
  display:inline-flex;align-items:center;gap:12px;
  text-decoration:none;color:var(--paper);
  padding:6px 4px;min-height:44px;flex:0 0 auto;
}
.brand__mark{
  position:relative;flex:0 0 34px;width:34px;height:34px;
  background:linear-gradient(150deg,var(--cyan),var(--cyan-2) 58%,var(--deep-3));
  clip-path:polygon(0 0,100% 0,100% 64%,62% 100%,0 100%);
}
.brand__mark::after{
  content:"";position:absolute;right:9px;top:9px;width:13px;height:13px;
  background:var(--deep);
  clip-path:polygon(0 0,100% 50%,0 100%);
}
.brand__text{display:flex;flex-direction:column;line-height:1.1}
.brand__name{font-size:19px;font-weight:900;letter-spacing:.14em}
.brand__sub{font-family:var(--font-mono);font-size:10px;letter-spacing:.26em;color:var(--stone);margin-top:4px}
.brand__ver{
  font-family:var(--font-mono);font-size:11px;letter-spacing:.08em;
  color:var(--sand);
  padding:2px 7px;
  box-shadow:inset 0 0 0 1px rgba(232,185,107,.45);
  clip-path:polygon(5px 0,100% 0,100% calc(100% - 5px),calc(100% - 5px) 100%,0 100%,0 5px);
}

.search{position:relative;flex:1 1 auto;max-width:440px;margin-left:auto;min-width:0}
.search__label{
  position:absolute;width:1px;height:1px;overflow:hidden;
  clip-path:inset(50%);white-space:nowrap;
}
.search__field{
  display:flex;align-items:center;gap:10px;
  height:40px;padding:0 12px;
  background:rgba(14,42,64,.9);
  box-shadow:inset 0 0 0 1px var(--line);
  clip-path:polygon(10px 0,100% 0,100% calc(100% - 10px),calc(100% - 10px) 100%,0 100%,0 10px);
  transition:box-shadow .24s var(--ease);
}
.search__field:focus-within{box-shadow:inset 0 0 0 1px rgba(55,240,214,.7)}
.search__ico{
  position:relative;flex:0 0 12px;width:12px;height:12px;
  border:2px solid var(--cyan-2);border-radius:50%;
}
.search__ico::after{
  content:"";position:absolute;right:-5px;bottom:-3px;
  width:7px;height:2px;background:var(--cyan-2);transform:rotate(45deg);
}
.search__input{
  flex:1 1 auto;min-width:0;
  height:100%;border:0;background:transparent;color:var(--paper);
  font-family:var(--font-sans);font-size:14px;letter-spacing:.02em;
}
.search__input::placeholder{color:var(--stone)}
.search__input:focus{outline:none}
.search__clear{
  flex:0 0 auto;width:24px;height:24px;display:grid;place-items:center;
  color:var(--stone);font-size:12px;
}
.search__clear:hover{color:var(--coral)}
.search__hint{
  margin:6px 0 0;font-family:var(--font-mono);font-size:11px;
  letter-spacing:.06em;color:var(--stone);
}
.search__panel{
  position:absolute;top:calc(100% + 10px);left:0;right:0;z-index:30;
  padding:8px;
  background:linear-gradient(160deg,var(--deep-3),var(--deep-2));
  box-shadow:inset 0 0 0 1px var(--line),0 22px 46px rgba(0,0,0,.5);
  clip-path:polygon(var(--cut) 0,100% 0,100% calc(100% - var(--cut)),calc(100% - var(--cut)) 100%,0 100%,0 var(--cut));
}
.search__list{display:flex;flex-direction:column}
.search__item{
  display:grid;grid-template-columns:1fr auto auto;align-items:center;gap:14px;
  padding:9px 10px;border-bottom:1px solid rgba(19,59,87,.9);
}
.search__item:last-child{border-bottom:0}
.search__item:hover{background:rgba(55,240,214,.07)}
.search__team{font-size:14px;font-weight:600;color:var(--paper)}
.search__meta{font-family:var(--font-mono);font-size:11px;letter-spacing:.08em;color:var(--stone)}
.search__rank{font-family:var(--font-mono);font-size:13px;font-weight:700;color:var(--sand)}
.search__empty{margin:8px 0;padding:8px 10px;font-size:13px;color:var(--stone)}

.nav-toggle{
  display:none;
  align-items:center;gap:8px;
  min-height:44px;padding:0 12px;
  color:var(--cyan);
  font-size:13px;font-weight:700;letter-spacing:.1em;
  box-shadow:inset 0 0 0 1px var(--line);
  clip-path:polygon(9px 0,100% 0,100% calc(100% - 9px),calc(100% - 9px) 100%,0 100%,0 9px);
}
.nav-toggle__bars{display:flex;flex-direction:column;gap:3px}
.nav-toggle__bars i{display:block;width:16px;height:2px;background:var(--cyan)}
.nav-toggle__bars i:nth-child(2){width:11px}
.nav-toggle[aria-expanded="true"]{color:var(--coral);box-shadow:inset 0 0 0 1px rgba(255,107,74,.6)}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars i{background:var(--coral)}

.toolbar{
  height:var(--toolbar-h);
  background:linear-gradient(96deg,rgba(19,59,87,.96),rgba(7,26,43,.96) 58%,rgba(14,42,64,.96));
  box-shadow:inset 0 -1px 0 var(--line);
}
.toolbar__inner{
  height:100%;
  max-width:1500px;margin-inline:auto;
  padding-inline:clamp(16px,2.4vw,32px);
  display:flex;align-items:center;gap:18px;
  overflow-x:auto;overflow-y:hidden;
  scrollbar-width:none;
}
.toolbar__inner::-webkit-scrollbar{display:none}
.toolbar__lead{
  display:inline-flex;align-items:center;gap:8px;flex:0 0 auto;
  font-size:13px;font-weight:700;letter-spacing:.1em;
  color:var(--paper);text-decoration:none;
  padding:5px 12px 5px 10px;
  background:rgba(255,107,74,.1);
  box-shadow:inset 0 0 0 1px rgba(255,107,74,.4);
  clip-path:polygon(8px 0,100% 0,100% calc(100% - 8px),calc(100% - 8px) 100%,0 100%,0 8px);
}
.toolbar__lead:hover{color:var(--coral)}
.toolbar__dot{
  width:6px;height:6px;border-radius:50%;background:var(--coral);
  box-shadow:0 0 0 3px rgba(255,107,74,.22);
}
.toolbar__badge{
  font-family:var(--font-mono);font-size:10px;letter-spacing:.12em;
  color:var(--deep);background:var(--coral);padding:1px 5px;
}
.toolbar__chips{display:flex;align-items:center;gap:8px;flex:0 0 auto}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  height:28px;padding:0 10px;
  font-size:12px;letter-spacing:.06em;color:var(--stone);
  box-shadow:inset 0 0 0 1px var(--line-soft);
  clip-path:polygon(6px 0,100% 0,100% calc(100% - 6px),calc(100% - 6px) 100%,0 100%,0 6px);
  transition:color .22s var(--ease),box-shadow .22s var(--ease),background .22s var(--ease);
}
.chip:hover{color:var(--paper);box-shadow:inset 0 0 0 1px rgba(55,240,214,.5)}
.chip[aria-pressed="true"]{
  color:var(--deep);background:var(--cyan);
  box-shadow:inset 0 0 0 1px var(--cyan);
}
.chip__code{font-family:var(--font-mono);font-size:10px;letter-spacing:.1em;opacity:.75}
.chip:focus-visible{outline:none;box-shadow:inset 0 0 0 2px var(--deep),inset 0 0 0 4px var(--cyan),0 0 0 2px var(--cyan)}
.toolbar__meta{
  margin-left:auto;flex:0 0 auto;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.14em;color:var(--deep-3);
}

/* ---------- 左侧轨道导航 ---------- */
.rail{
  position:fixed;left:0;top:var(--header-h);bottom:0;width:var(--rail-w);z-index:70;
  display:flex;flex-direction:column;gap:10px;
  padding:16px 0 14px;
  background:linear-gradient(180deg,#0A2135 0%,#071A2B 64%,#061522 100%);
  box-shadow:inset -1px 0 0 var(--line);
  overflow-y:auto;overscroll-behavior:contain;
  scrollbar-width:thin;
}
.rail__close{display:none}
.rail__caption{
  margin:0;text-align:center;
  font-family:var(--font-mono);font-size:10px;letter-spacing:.18em;
  color:var(--deep-3);
}
.rail__list{display:flex;flex-direction:column;gap:4px;width:100%}
.rail__item{width:100%}
.rail__link{
  position:relative;
  display:flex;flex-direction:column;align-items:center;gap:6px;
  padding:14px 4px 16px;
  color:var(--stone);text-decoration:none;
  transition:color .26s var(--ease),background .26s var(--ease);
}
.rail__link::before{
  content:"";position:absolute;left:0;top:10px;bottom:10px;width:3px;
  background:var(--cyan);opacity:0;transform:scaleY(.4);transform-origin:50% 50%;
  transition:opacity .26s var(--ease),transform .26s var(--ease);
}
.rail__num{
  font-family:var(--font-mono);font-size:11px;letter-spacing:.12em;
  color:var(--deep-3);
  transition:color .26s var(--ease);
}
.rail__label{
  font-size:11px;letter-spacing:.18em;
  writing-mode:vertical-rl;text-orientation:upright;
  white-space:nowrap;
}
.rail__link:hover,.rail__link:focus-visible{
  color:var(--paper);background:rgba(55,240,214,.08);
}
.rail__link:hover .rail__num,.rail__link:focus-visible .rail__num{color:var(--cyan-2)}
.rail__link[aria-current="page"]{
  color:var(--cyan);background:rgba(55,240,214,.1);
}
.rail__link[aria-current="page"]::before{opacity:1;transform:scaleY(1)}
.rail__link[aria-current="page"] .rail__num{color:var(--cyan)}
.rail__link:focus-visible{outline:2px solid var(--cyan);outline-offset:-3px}
.rail__foot{
  margin:auto 0 0;text-align:center;
  font-family:var(--font-mono);font-size:9px;letter-spacing:.16em;
  color:var(--deep-3);
}
.rail-scrim{
  position:fixed;inset:0;z-index:75;
  background:rgba(4,14,23,.68);
  backdrop-filter:blur(2px);
}

/* ---------- 回到顶部 ---------- */
.to-top{
  position:fixed;right:18px;bottom:22px;z-index:80;
  width:46px;height:46px;display:grid;place-items:center;
  font-size:16px;color:var(--deep);background:var(--cyan);
  clip-path:polygon(12px 0,100% 0,100% calc(100% - 12px),calc(100% - 12px) 100%,0 100%,0 12px);
  opacity:0;transform:translateY(14px);pointer-events:none;
  transition:opacity .28s var(--ease),transform .28s var(--ease);
}
.to-top.is-on{opacity:1;transform:none;pointer-events:auto}
.to-top:focus-visible{outline:none;box-shadow:inset 0 0 0 3px var(--deep),inset 0 0 0 5px var(--cyan)}

/* ---------- 移动端快捷条 ---------- */
.dock{display:none}

/* ---------- 页脚 ---------- */
.site-footer{
  position:relative;
  margin-top:clamp(56px,8vw,104px);
  padding-top:clamp(40px,6vw,72px);
  background:linear-gradient(180deg,#0A2135 0%,#061522 100%);
  box-shadow:inset 0 1px 0 var(--line);
}
.site-footer::before{
  content:"";position:absolute;left:0;right:0;top:-24px;height:24px;
  background:linear-gradient(96deg,rgba(43,168,201,.24),rgba(55,240,214,.05) 60%,rgba(255,107,74,.18));
  clip-path:polygon(0 100%,100% 0,100% 100%,0 100%);
}
.footer-shell{
  width:100%;max-width:var(--maxw);margin-inline:auto;
  padding-inline:clamp(18px,3vw,40px);
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.4fr;gap:clamp(24px,3vw,44px);
  padding-bottom:clamp(28px,4vw,48px);
}
.footer-brand__name{
  margin:0 0 10px;font-size:24px;font-weight:900;letter-spacing:.14em;color:var(--paper);
}
.footer-brand__tag{
  margin:0 0 14px;max-width:30ch;font-size:14px;line-height:1.8;color:var(--stone);
}
.footer-brand__ver{
  margin:0;font-family:var(--font-mono);font-size:11px;letter-spacing:.14em;color:var(--deep-3);
}
.footer-col{min-width:0}
.footer-col__title{
  margin:0 0 14px;font-size:13px;font-weight:700;letter-spacing:.18em;color:var(--cyan);
}
.footer-nav{display:flex;flex-direction:column;gap:9px}
.footer-nav a{
  color:var(--stone);text-decoration:none;font-size:14px;
  transition:color .24s var(--ease),transform .24s var(--ease);
  display:inline-block;
}
.footer-nav a:hover{color:var(--paper);transform:translateX(3px)}
.footer-contact{display:flex;flex-direction:column;gap:12px}
.footer-contact li{
  display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:10px;
  font-size:13px;line-height:1.6;
}
.footer-contact__k{
  font-family:var(--font-mono);font-size:10px;letter-spacing:.12em;
  color:var(--deep-3);white-space:nowrap;
}
.footer-contact__v{
  color:var(--paper);word-break:break-all;
  box-shadow:inset 0 -1px 0 rgba(55,240,214,.28);
}
.copy-btn{
  flex:0 0 auto;
  height:28px;padding:0 10px;
  font-size:11px;letter-spacing:.1em;color:var(--cyan);
  box-shadow:inset 0 0 0 1px rgba(55,240,214,.4);
  clip-path:polygon(6px 0,100% 0,100% calc(100% - 6px),calc(100% - 6px) 100%,0 100%,0 6px);
  transition:background .24s var(--ease),color .24s var(--ease);
}
.copy-btn:hover{background:rgba(55,240,214,.14)}
.copy-btn:focus-visible{outline:none;box-shadow:inset 0 0 0 2px var(--deep),inset 0 0 0 4px var(--cyan)}
.footer-contact__note{
  margin:14px 0 0;font-size:12px;line-height:1.7;color:var(--stone);
}
.footer-bottom{
  border-top:1px solid rgba(19,59,87,.9);
  width:100%;max-width:var(--maxw);margin-inline:auto;
  padding:16px clamp(18px,3vw,40px) 22px;
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 22px;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.1em;color:var(--deep-3);
}
.footer-bottom p{margin:0}
.footer-bottom__icp{color:var(--stone)}

.toast{
  position:fixed;left:50%;bottom:28px;z-index:120;
  margin:0;padding:11px 20px;
  font-size:13px;letter-spacing:.04em;color:var(--deep);
  background:var(--cyan);
  clip-path:polygon(10px 0,100% 0,100% calc(100% - 10px),calc(100% - 10px) 100%,0 100%,0 10px);
  transform:translate(-50%,16px);opacity:0;pointer-events:none;
  transition:opacity .26s var(--ease),transform .26s var(--ease);
}
.toast.is-on{opacity:1;transform:translate(-50%,0)}

/* ---------- 入场动效 ---------- */
[data-reveal]{
  opacity:0;
  transform:translate3d(-16px,16px,0) scale(.98);
  transition:opacity .4s var(--ease),transform .4s var(--ease);
  transition-delay:calc(min(var(--i,0),6) * 80ms);
}
[data-reveal].is-in{opacity:1;transform:none}

/* ---------- 平板 ---------- */
@media (max-width:1023px){
  :root{
    --rail-w:0px;
    --topbar-h:60px;
    --toolbar-h:38px;
    --header-h:98px;
  }
  body{padding-left:0}
  .rail{
    top:0;width:min(84vw,318px);z-index:90;
    padding:calc(var(--header-h) + 12px) 0 18px;
    transform:translateX(-104%);
    transition:transform .34s var(--ease);
    box-shadow:0 0 0 1px var(--line),26px 0 60px rgba(0,0,0,.5);
  }
  .site-header[data-open] .rail{transform:translateX(0)}
  .rail__close{
    display:grid;place-items:center;
    position:absolute;top:calc(var(--topbar-h) + 8px);right:12px;
    width:38px;height:38px;color:var(--stone);
    box-shadow:inset 0 0 0 1px var(--line);
    clip-path:polygon(9px 0,100% 0,100% calc(100% - 9px),calc(100% - 9px) 100%,0 100%,0 9px);
  }
  .rail__close:hover{color:var(--coral)}
  .rail__caption{text-align:left;padding-left:18px}
  .rail__list{gap:2px}
  .rail__link{
    flex-direction:row;align-items:center;justify-content:flex-start;
    gap:14px;padding:13px 18px;
    font-size:15px;
  }
  .rail__link::before{top:8px;bottom:8px}
  .rail__num{font-size:12px;min-width:22px}
  .rail__label{writing-mode:horizontal-tb;text-orientation:initial;font-size:15px;letter-spacing:.1em}
  .rail__foot{text-align:left;padding-left:18px}
  .nav-toggle{display:inline-flex;margin-left:auto}
  .search{margin-left:0;max-width:320px}
  .to-top{bottom:76px}
}

/* ---------- 手机 ---------- */
@media (max-width:719px){
  :root{
    --topbar-h:56px;
    --toolbar-h:34px;
    --search-row:48px;
    --header-h:138px;
    --gap:18px;
  }
  body{
    background-attachment:scroll,scroll,scroll,scroll;
    font-size:15px;
  }
  .topbar{height:calc(var(--topbar-h) + var(--search-row))}
  .topbar__inner{
    flex-wrap:wrap;align-content:center;
    row-gap:8px;column-gap:12px;
    padding-inline:14px;
  }
  .brand{gap:10px}
  .brand__mark{flex-basis:28px;width:28px;height:28px}
  .brand__name{font-size:16px;letter-spacing:.1em}
  .brand__sub{display:none}
  .brand__ver{font-size:10px}
  .search{order:9;flex:1 1 100%;max-width:none;height:36px}
  .search__field{height:36px}
  .search__hint{display:none}
  .nav-toggle{margin-left:auto}
  .toolbar__inner{gap:12px;padding-inline:14px}
  .toolbar__meta{display:none}
  .toolbar__lead{font-size:12px;padding:4px 10px 4px 8px}
  .chip{height:26px;font-size:11px}
  .chip__code{display:none}

  .asym{grid-template-columns:minmax(0,1fr)}
  .footer-shell{grid-template-columns:1fr 1fr}
  .footer-brand{grid-column:1 / -1}
  .footer-col--contact{grid-column:1 / -1}
  .footer-contact li{grid-template-columns:auto 1fr auto;font-size:12px}
  .footer-bottom{font-size:10px;padding-bottom:84px}

  .dock{
    display:flex;
    position:fixed;left:0;right:0;bottom:0;z-index:65;
    height:56px;
    background:rgba(6,21,34,.96);
    box-shadow:inset 0 1px 0 var(--line);
    backdrop-filter:blur(10px);
    padding-bottom:env(safe-area-inset-bottom);
  }
  .dock__link{
    flex:1 1 0;
    display:grid;place-items:center;
    min-height:44px;
    font-size:12px;letter-spacing:.1em;
    color:var(--stone);text-decoration:none;
    box-shadow:inset -1px 0 0 rgba(19,59,87,.9);
  }
  .dock__link:first-child{color:var(--coral);box-shadow:inset 0 2px 0 var(--coral),inset -1px 0 0 rgba(19,59,87,.9)}
  .dock__link:hover{color:var(--paper)}
  .to-top{bottom:70px;right:12px;width:42px;height:42px}
  .toast{bottom:72px;font-size:12px}
}

@media (max-width:400px){
  .footer-shell{grid-template-columns:1fr}
}

/* ---------- 降低动态 ---------- */
@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}
  .to-top{transition:none}
}