/* =========================================================
   米乐赛场 · 共享样式 /assets/site.css
   深靛蓝夜场底 + 荧光青焦点 + 琥珀橙动态 + 暖纸档案层
   ========================================================= */

:root{
  --ink-indigo:#0B1B3A;
  --midnight:#12244A;
  --cyan:#39E8D6;
  --cyan-soft:#A8FFF2;
  --amber:#F6A623;
  --white:#F7FAFF;
  --paper:#F1E8DA;
  --ink:#0A0E1A;
  --slate:#4A5A78;
  --red:#E5484D;

  --rail-w:240px;
  --bar-h:64px;
  --gutter:clamp(18px,4vw,56px);
  --maxw:1180px;

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

  --line:rgba(74,90,120,.45);
  --line-cyan:rgba(57,232,214,.24);
  --shadow:0 18px 40px rgba(3,8,20,.5);
}

/* ---------- reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body,h1,h2,h3,h4,h5,p,ul,ol,li,dl,dt,dd,figure,blockquote{margin:0;padding:0}
ul,ol{list-style:none}
img,svg,video{max-width:100%;display:block}
button,input,select,textarea{font:inherit;color:inherit;background:none;border:0}
a{color:inherit;text-decoration:none}
table{border-collapse:collapse;width:100%}
[hidden]{display:none !important}
::selection{background:var(--cyan);color:var(--ink-indigo)}

/* ---------- base ---------- */
body{
  min-height:100vh;
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.75;
  color:var(--white);
  letter-spacing:.01em;
  background-color:var(--ink-indigo);
  background-image:
    radial-gradient(1100px 620px at 84% -8%, rgba(57,232,214,.12), transparent 62%),
    radial-gradient(760px 520px at 6% 106%, rgba(246,166,35,.09), transparent 62%),
    repeating-linear-gradient(90deg, rgba(247,250,255,.028) 0 1px, transparent 1px 148px);
  background-attachment:fixed,fixed,fixed;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{font-family:var(--font-head);font-weight:900;line-height:1.14;letter-spacing:-.02em}
h1{font-size:clamp(36px,6.4vw,72px)}
h2{font-size:clamp(26px,3.6vw,44px)}
h3{font-size:clamp(19px,2vw,24px)}
p{overflow-wrap:break-word}
code,kbd,samp,time{font-family:var(--font-mono)}

main{display:block;padding-bottom:1px}
#main-content{scroll-margin-top:88px}

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

/* ---------- 跳过链接 ---------- */
.skip-link{
  position:fixed;top:8px;left:8px;z-index:200;
  padding:10px 18px;border-radius:2px;
  background:var(--cyan);color:var(--ink-indigo);
  font-size:14px;font-weight:800;letter-spacing:.04em;
  transform:translateY(-180%);
  transition:transform .18s ease;
}
.skip-link:focus{transform:translateY(0)}

/* =========================================================
   左侧栏目轴 / 移动顶栏
   ========================================================= */
.site-rail{
  position:fixed;top:0;left:0;right:0;z-index:80;height:var(--bar-h);
  display:flex;align-items:center;padding:0 16px;
  background:linear-gradient(180deg,var(--midnight),var(--ink-indigo));
  border-bottom:1px solid var(--line-cyan);
}
.rail__bar{display:flex;align-items:center;justify-content:space-between;gap:12px;width:100%}

.brandmark{display:flex;align-items:center;gap:10px;min-width:0;padding:2px 0}
.brandmark__glyph{
  flex:0 0 40px;width:40px;height:40px;display:grid;place-items:center;
  font-family:var(--font-mono);font-size:14px;font-weight:700;letter-spacing:.06em;
  color:var(--ink-indigo);
  background:linear-gradient(140deg,var(--cyan),var(--cyan-soft));
  border-radius:3px;
  box-shadow:0 0 0 1px rgba(57,232,214,.5),0 8px 20px rgba(57,232,214,.22);
}
.brandmark__words{display:flex;flex-direction:column;min-width:0;line-height:1.2}
.brandmark__name{font-family:var(--font-head);font-weight:900;font-size:18px;letter-spacing:.02em;color:var(--white)}
.brandmark__tag{
  margin-top:2px;font-size:11px;color:#93A4C2;letter-spacing:.03em;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}

.rail__toggle{
  display:inline-flex;align-items:center;gap:9px;flex:0 0 auto;
  padding:9px 12px;border-radius:3px;cursor:pointer;
  border:1px solid rgba(57,232,214,.35);
  background:rgba(57,232,214,.08);color:var(--white);
  font-size:12.5px;font-weight:700;letter-spacing:.08em;
  transition:background-color .18s ease,border-color .18s ease,color .18s ease;
}
.rail__toggle:hover{background:rgba(57,232,214,.16)}
.rail__toggle[aria-expanded="true"]{background:var(--cyan);border-color:var(--cyan);color:var(--ink-indigo)}
.rail__toggle-label{}
.rail__toggle-bars{display:grid;gap:3px;width:16px}
.rail__toggle-bars i{display:block;height:2px;background:currentColor;border-radius:2px;transition:transform .2s ease,opacity .2s ease}
.rail__toggle[aria-expanded="true"] .rail__toggle-bars i:nth-child(1){transform:translateY(5px) rotate(45deg)}
.rail__toggle[aria-expanded="true"] .rail__toggle-bars i:nth-child(2){opacity:0}
.rail__toggle[aria-expanded="true"] .rail__toggle-bars i:nth-child(3){transform:translateY(-5px) rotate(-45deg)}

.rail__nav{
  position:fixed;top:var(--bar-h);left:0;right:0;
  max-height:0;overflow:hidden;visibility:hidden;
  background:linear-gradient(180deg,var(--midnight),#0A1630);
  border-bottom:1px solid var(--line-cyan);
  box-shadow:0 26px 44px rgba(3,8,20,.6);
  transition:max-height .3s ease,visibility .3s ease;
}
.site-rail[data-open="true"] .rail__nav{
  max-height:calc(100vh - var(--bar-h));
  overflow-y:auto;
  visibility:visible;
}
.rail__nav-inner{padding:16px 16px 28px}

.rail__list{display:flex;flex-direction:column;gap:2px}
.rail__item{}
.rail__link{
  display:flex;align-items:center;gap:12px;
  padding:11px 12px;border-radius:3px;
  border-left:2px solid transparent;
  color:#C9D4E8;font-size:15px;font-weight:600;
  transition:color .18s ease,background-color .18s ease,border-color .18s ease,transform .18s ease;
}
.rail__link:hover,.rail__link:focus-visible{
  color:var(--white);background:rgba(57,232,214,.09);
  border-left-color:var(--cyan);transform:translateX(2px);
}
.rail__link[aria-current="page"]{
  color:var(--ink-indigo);font-weight:800;
  background:linear-gradient(90deg,var(--cyan),rgba(57,232,214,.72));
  border-left-color:var(--amber);
  box-shadow:0 8px 20px rgba(57,232,214,.18);
}
.rail__idx{font-family:var(--font-mono);font-size:11px;letter-spacing:.08em;opacity:.78}
.rail__label{font-family:var(--font-head);letter-spacing:.02em}

.quickgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-top:16px}
.quickgrid__item{
  display:flex;flex-direction:column;gap:3px;align-items:center;
  padding:12px 8px;border:1px solid var(--line);border-radius:3px;
  background:rgba(10,14,26,.42);text-align:center;
  transition:border-color .18s ease,background-color .18s ease,transform .18s ease;
}
.quickgrid__item:hover{border-color:var(--cyan);background:rgba(57,232,214,.1);transform:translateY(-2px)}
.quickgrid__key{font-family:var(--font-head);font-weight:800;font-size:14px;color:var(--white)}
.quickgrid__sub{font-family:var(--font-mono);font-size:10px;letter-spacing:.04em;color:#93A4C2}

.rail__foot{margin-top:18px;padding-top:18px;border-top:1px solid var(--line)}
.rail__meta{
  display:flex;align-items:center;gap:8px;margin-top:12px;
  font-family:var(--font-mono);font-size:11.5px;letter-spacing:.05em;color:#93A4C2;
}
.lamp{
  display:inline-block;flex:0 0 8px;width:8px;height:8px;border-radius:50%;
  background:var(--cyan);
  animation:lamp-pulse 2.4s ease-in-out infinite;
}
@keyframes lamp-pulse{
  0%,100%{opacity:.35;box-shadow:0 0 0 0 rgba(57,232,214,.5)}
  50%{opacity:1;box-shadow:0 0 0 7px rgba(57,232,214,0)}
}

.rail__progress{
  position:absolute;left:0;right:0;bottom:0;height:3px;
  background:rgba(74,90,120,.28);overflow:hidden;pointer-events:none;
}
.rail__progress-bar{
  display:block;width:100%;height:100%;
  background:linear-gradient(90deg,var(--cyan),var(--amber));
  transform-origin:left center;
  transform:scaleX(var(--p,0));
  transition:transform .12s linear;
}

/* ---------- 桌面：纵向栏目轴 ---------- */
@media (min-width:1024px){
  body{padding-left:var(--rail-w);padding-top:0}
  .site-rail{
    top:0;left:0;right:auto;bottom:0;height:auto;width:var(--rail-w);
    flex-direction:column;align-items:stretch;padding:0;
    border-bottom:0;border-right:1px solid var(--line-cyan);
    background:linear-gradient(180deg,var(--midnight) 0%,var(--ink-indigo) 68%,#0A1630 100%);
  }
  .rail__bar{
    flex-direction:column;align-items:flex-start;gap:14px;width:auto;
    padding:26px 22px 22px;border-bottom:1px solid var(--line);
  }
  .rail__toggle{display:none}
  .brandmark__glyph{flex:0 0 44px;width:44px;height:44px;font-size:15px}
  .brandmark__name{font-size:20px}
  .brandmark__tag{white-space:normal}
  .rail__nav{
    position:static;flex:1;min-height:0;max-height:none;visibility:visible;
    display:flex;flex-direction:column;overflow-y:auto;
    background:transparent;border-bottom:0;box-shadow:none;transition:none;
  }
  .rail__nav-inner{display:flex;flex-direction:column;flex:1;min-height:0;padding:18px 12px 0}
  .rail__foot{margin-top:auto;padding:18px 10px 26px;border-top:1px solid var(--line)}
  .quickgrid{display:none}
  .rail__progress{left:auto;right:0;top:0;bottom:0;width:3px;height:auto}
  .rail__progress-bar{
    width:100%;height:100%;
    background:linear-gradient(180deg,var(--cyan),var(--amber));
    transform-origin:center top;
    transform:scaleY(var(--p,0));
  }
}
@media (max-width:1023px){
  body{padding-top:var(--bar-h)}
  html.is-nav-open{overflow:hidden}
}
@media (max-width:479px){
  .brandmark__tag{display:none}
}

/* =========================================================
   页脚：暖纸档案盒
   ========================================================= */
.site-foot{
  position:relative;
  margin-top:clamp(48px,7vw,96px);
  padding:clamp(44px,6vw,84px) var(--gutter) 0;
  background:linear-gradient(180deg,rgba(18,36,74,0) 0%,#0A1630 42%,#080F22 100%);
  border-top:1px solid var(--line-cyan);
}
.site-foot::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;
  background:linear-gradient(90deg,var(--cyan),var(--amber) 46%,rgba(246,166,35,0) 88%);
  opacity:.8;
}
.foot__wrap{
  display:grid;gap:clamp(28px,4vw,52px);
  grid-template-columns:1fr;
  width:100%;max-width:var(--maxw);margin:0 auto;
}
@media (min-width:900px){
  .foot__wrap{grid-template-columns:1.25fr .85fr 1.1fr}
}
.foot__lead{}
.foot__stamp{
  font-family:var(--font-head);font-weight:900;letter-spacing:-.01em;
  font-size:clamp(20px,2.4vw,26px);color:var(--white);
}
.foot__line{margin-top:12px;max-width:40ch;font-size:14.5px;color:#B9C6DE}
.foot__meters{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}

.foot__head{
  margin-bottom:16px;
  font-family:var(--font-mono);font-size:11.5px;font-weight:700;
  letter-spacing:.2em;color:var(--cyan);text-transform:uppercase;
}
.foot__nav{}
.foot__list{display:grid;gap:2px}
.foot__link{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 0;font-size:14.5px;color:#C9D4E8;
  transition:color .16s ease,transform .16s ease;
}
.foot__link::before{
  content:"";display:block;width:6px;height:1px;background:var(--slate);
  transition:width .16s ease,background-color .16s ease;
}
.foot__link:hover,.foot__link:focus-visible{color:var(--cyan-soft);transform:translateX(3px)}
.foot__link:hover::before,.foot__link:focus-visible::before{width:14px;background:var(--cyan)}

.foot__contact{}
.contact-card{
  position:relative;
  padding:20px 20px 22px;border-radius:3px;
  background:var(--paper);color:var(--ink);
  border:1px solid rgba(10,14,26,.2);
  box-shadow:var(--shadow);
}
.contact-card::after{
  content:"";position:absolute;inset:7px;pointer-events:none;
  border:1px dashed rgba(10,14,26,.22);
}
.contact-card__row{
  position:relative;z-index:1;
  display:flex;align-items:center;gap:10px;flex-wrap:wrap;
  padding:9px 0;border-bottom:1px solid rgba(10,14,26,.14);
}
.contact-card__row:last-of-type{border-bottom:0}
.contact-card__key{
  flex:0 0 auto;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.14em;
  color:#6A5C48;text-transform:uppercase;
}
.contact-card__val{
  flex:1 1 150px;min-width:0;text-align:right;
  font-family:var(--font-mono);font-size:13px;font-weight:600;color:var(--ink);
  overflow-wrap:anywhere;
}
.copybtn{
  flex:0 0 auto;cursor:pointer;
  padding:4px 9px;border-radius:2px;
  border:1px solid rgba(10,14,26,.35);
  background:rgba(255,255,255,.55);color:#3A3226;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.08em;
  transition:background-color .16s ease,color .16s ease,border-color .16s ease;
}
.copybtn:hover{background:var(--ink);border-color:var(--ink);color:var(--paper)}
.copybtn[data-copied="true"]{background:var(--cyan);border-color:var(--cyan);color:var(--ink-indigo)}
.contact-card__note{
  position:relative;z-index:1;
  margin-top:12px;font-size:13px;line-height:1.7;color:#4A4235;
}
.copy-hint{
  min-height:18px;margin-top:10px;
  font-family:var(--font-mono);font-size:11.5px;letter-spacing:.03em;color:var(--cyan-soft);
}

.foot__legal{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;
  gap:10px 22px;
  width:100%;max-width:var(--maxw);
  margin:clamp(30px,4vw,52px) auto 0;
  padding:20px 0 34px;
  border-top:1px solid var(--line);
  font-family:var(--font-mono);font-size:11.5px;letter-spacing:.05em;color:#7C8AA6;
}
.foot__copy{}
.foot__icp{color:#C9D4E8}
.foot__note{flex:1 1 100%;line-height:1.7;color:#66748F}

/* =========================================================
   通用组件
   ========================================================= */
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 var(--gutter)}
.section{padding:clamp(40px,6vw,80px) 0}
.section--tight{padding:clamp(24px,3vw,44px) 0}

.grid{display:grid;gap:clamp(16px,2.4vw,28px)}
.grid--2{grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}
.grid--3{grid-template-columns:repeat(auto-fit,minmax(228px,1fr))}
.grid--4{grid-template-columns:repeat(auto-fit,minmax(178px,1fr))}
.stack{display:grid;gap:clamp(12px,1.6vw,20px)}
.stack--tight{gap:8px}

.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--font-mono);font-size:11.5px;letter-spacing:.22em;
  text-transform:uppercase;color:var(--cyan);
}
.eyebrow::before{content:"";width:26px;height:2px;background:var(--amber)}
.sidenote{
  writing-mode:vertical-rl;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.28em;
  text-transform:uppercase;color:#7C8AA6;
}
.lead{max-width:54ch;font-size:clamp(16.5px,1.4vw,20px);line-height:1.72;color:#D6E0F0}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 20px;border:1px solid transparent;border-radius:3px;
  font-family:var(--font-head);font-size:14px;font-weight:800;letter-spacing:.06em;
  cursor:pointer;
  transition:transform .16s ease,background-color .16s ease,color .16s ease,border-color .16s ease,box-shadow .16s ease;
}
.btn:hover{transform:translateY(-2px)}
.btn--amber{background:var(--amber);color:#1A1200;box-shadow:0 10px 24px rgba(246,166,35,.22)}
.btn--amber:hover{background:#FFBB4A}
.btn--cyan{background:var(--cyan);color:var(--ink-indigo);box-shadow:0 10px 24px rgba(57,232,214,.2)}
.btn--cyan:hover{background:var(--cyan-soft)}
.btn--ghost{background:transparent;border-color:rgba(57,232,214,.45);color:var(--cyan)}
.btn--ghost:hover{background:rgba(57,232,214,.12);color:var(--cyan-soft)}
.btn--block{width:100%}

/* 标签与片状标记 */
.chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 11px;border-radius:999px;
  border:1px solid var(--line);background:rgba(18,36,74,.55);
  font-family:var(--font-mono);font-size:11px;letter-spacing:.06em;color:#C9D4E8;
}
.chip--cyan{border-color:rgba(57,232,214,.5);color:var(--cyan-soft);background:rgba(57,232,214,.08)}
.chip--amber{border-color:rgba(246,166,35,.5);color:var(--amber);background:rgba(246,166,35,.08)}

.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:3px 9px;border-radius:2px;
  border:1px solid var(--line);background:rgba(10,14,26,.45);
  font-family:var(--font-mono);font-size:11px;letter-spacing:.08em;color:#C9D4E8;
}
.tag--cyan{border-color:rgba(57,232,214,.55);color:var(--cyan-soft)}
.tag--amber{border-color:rgba(246,166,35,.5);color:var(--amber)}
.tag--red{border-color:rgba(229,72,77,.6);color:#FF9A9D}

/* 面包屑 */
.crumbs{padding:18px 0;font-family:var(--font-mono);font-size:11.5px;letter-spacing:.08em;color:#7C8AA6}
.crumbs__list{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.crumbs__item{display:inline-flex;align-items:center;gap:8px}
.crumbs__link{color:#9FB0CC;transition:color .16s ease}
.crumbs__link:hover,.crumbs__link:focus-visible{color:var(--cyan)}
.crumbs__sep{color:var(--slate)}
.crumbs__current{color:var(--cyan-soft)}

/* 卡片与面板 */
.card{
  padding:22px;border:1px solid var(--line);border-radius:3px;
  background:rgba(18,36,74,.6);
}
.card--ink{background:rgba(10,14,26,.55)}
.card--paper{
  background:var(--paper);color:var(--ink);
  border-color:rgba(10,14,26,.2);box-shadow:var(--shadow);
}
.card__title{margin-bottom:8px;font-family:var(--font-head);font-weight:800;font-size:19px}
.card__meta{font-family:var(--font-mono);font-size:11.5px;letter-spacing:.06em;color:#93A4C2}
.card--paper .card__meta{color:#6A5C48}

.panel{
  padding:clamp(20px,3vw,32px);border-radius:0 0 3px 3px;
  border-top:2px solid rgba(57,232,214,.45);
  background:rgba(18,36,74,.5);
}
.panel--paper{background:var(--paper);color:var(--ink);border-top-color:var(--amber)}

/* 图片容器：页面阶段直接放入 <img> */
.media{
  position:relative;display:block;overflow:hidden;border-radius:3px;
  border:1px solid rgba(57,232,214,.16);
  background:linear-gradient(140deg,var(--midnight),var(--ink-indigo) 70%,#0A1630);
}
.media img{width:100%;height:100%;object-fit:cover}
.media--16x9{aspect-ratio:16/9}
.media--4x3{aspect-ratio:4/3}
.media--3x2{aspect-ratio:3/2}
.media--1x1{aspect-ratio:1/1}
.media--21x9{aspect-ratio:21/9}
.media--paper{
  border:6px solid var(--paper);
  box-shadow:var(--shadow);
}
.media__cap{
  display:block;margin-top:10px;
  font-family:var(--font-mono);font-size:11.5px;letter-spacing:.05em;color:#7C8AA6;
}
.media__tag{
  position:absolute;top:10px;left:10px;
  padding:3px 9px;border-radius:2px;
  background:var(--amber);color:#1A1200;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.08em;font-weight:700;
}

/* 手风琴 */
.accordion{display:grid;border-top:1px solid var(--line)}
.accordion__item{border-bottom:1px solid var(--line)}
.accordion__trigger{
  display:flex;align-items:center;justify-content:space-between;gap:16px;width:100%;
  padding:18px 4px;text-align:left;cursor:pointer;
  font-family:var(--font-head);font-size:17px;font-weight:800;color:var(--white);
  transition:color .16s ease;
}
.accordion__trigger:hover,.accordion__trigger:focus-visible{color:var(--cyan-soft)}
.accordion__item[data-open="true"] .accordion__trigger{color:var(--cyan)}
.accordion__icon{
  flex:0 0 auto;position:relative;width:14px;height:14px;
}
.accordion__icon::before,.accordion__icon::after{
  content:"";position:absolute;top:50%;left:0;width:14px;height:2px;
  background:currentColor;transform:translateY(-50%);
  transition:transform .22s ease,opacity .22s ease;
}
.accordion__icon::after{transform:translateY(-50%) rotate(90deg)}
.accordion__item[data-open="true"] .accordion__icon::after{transform:translateY(-50%) rotate(0);opacity:0}
.accordion__panel{overflow:hidden;max-height:0;transition:max-height .28s ease}
.accordion__panel-inner{padding:0 4px 22px;font-size:15px;color:#B9C6DE}

/* 筛选条 */
.filterbar{display:flex;flex-wrap:wrap;gap:8px;padding:4px 0}
.filterbar__btn{
  padding:7px 14px;border-radius:999px;cursor:pointer;
  border:1px solid var(--line);background:transparent;color:#C9D4E8;
  font-family:var(--font-mono);font-size:12px;letter-spacing:.06em;
  transition:border-color .16s ease,color .16s ease,background-color .16s ease;
}
.filterbar__btn:hover{border-color:var(--cyan);color:var(--white)}
.filterbar__btn[aria-pressed="true"]{background:var(--cyan);border-color:var(--cyan);color:var(--ink-indigo);font-weight:700}

/* 技能树式路径 */
.path{display:grid;gap:14px;counter-reset:step}
.path__step{
  position:relative;padding:18px 20px 18px 62px;
  background:rgba(18,36,74,.6);
  border-left:2px solid rgba(57,232,214,.4);
}
.path__step::before{
  counter-increment:step;content:counter(step,decimal-leading-zero);
  position:absolute;left:18px;top:18px;
  font-family:var(--font-mono);font-size:13px;letter-spacing:.06em;color:var(--cyan);
}
.path__title{margin-bottom:6px;font-family:var(--font-head);font-weight:800;font-size:17px;color:var(--white)}
.path__body{font-size:14.5px;color:#B9C6DE}

/* 连续正文 */
.prose{max-width:72ch;font-size:16.5px;line-height:1.85;color:#CBD6E9}
.prose p+p{margin-top:1.1em}
.prose h2,.prose h3{margin-top:2em;margin-bottom:.6em;color:var(--white)}
.prose ul{margin-top:1em}
.prose li{position:relative;margin-top:.5em;padding-left:18px}
.prose li::before{content:"";position:absolute;left:0;top:.78em;width:8px;height:2px;background:var(--cyan)}

/* 滚动显现 */
.has-js [data-reveal]{opacity:0;transform:translateY(18px);transition:opacity .5s ease,transform .5s ease}
.has-js [data-reveal].is-in{opacity:1;transform:none}

/* ---------- 动效与无障碍 ---------- */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
    scroll-behavior:auto !important;
  }
  .has-js [data-reveal]{opacity:1;transform:none}
  .rail__progress-bar{transition:none}
  .lamp{animation:none;opacity:1}
}