/* ============================================================
   新利平台中文站 · 共享外壳样式 /assets/site.css
   夜间数据台：墨绿底 + 荧光青状态 + 暖橙数据高亮
   ============================================================ */

:root{
  --ink:#06120F;
  --panel:#0C231D;
  --edge:#174034;
  --cyan:#2CE0C6;
  --orange:#FF8A3C;
  --text:#E9F3EF;
  --muted:#A6BDB4;
  --lg-a:#6E8FA8;
  --lg-b:#A88B6E;
  --lg-c:#7FA88C;
  --lg-d:#8C7FA8;
  --sand:#F2E9DC;

  --rail-w:84px;
  --topbar-h:56px;

  --r-lg:32px;
  --r-md:24px;
  --r-sm:20px;

  --font-display:"HarmonyOS Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-body:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-data:ui-monospace,SFMono-Regular,"JetBrains Mono","Cascadia Mono",Consolas,"Noto Sans Mono",monospace;

  --shadow:0 18px 44px -26px rgba(0,0,0,.95);
  --ease:cubic-bezier(.22,.61,.36,1);
}

/* ---------- reset ---------- */
*,*::before,*::after{box-sizing:border-box;}
html{
  -webkit-text-size-adjust:100%;
  scroll-behavior:smooth;
}
body{
  margin:0;
  min-height:100vh;
  padding:var(--topbar-h) 0 0 var(--rail-w);
  overflow-x:hidden;
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.75;
  font-weight:400;
  color:var(--text);
  background-color:var(--ink);
  background-image:
    radial-gradient(rgba(44,224,198,.07) 1px, transparent 1px),
    linear-gradient(180deg, rgba(12,35,29,.6), rgba(6,18,15,0) 48%);
  background-size:26px 26px, 100% 100%;
  background-repeat:repeat, no-repeat;
}
h1,h2,h3,h4,h5,h6{margin:0;font-weight:500;line-height:1.22;letter-spacing:.01em;}
p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}
a{color:var(--cyan);text-decoration:none;}
a:hover{color:var(--text);}
img,svg{max-width:100%;}
button{font:inherit;color:inherit;}
figure{margin:0;}
hr{border:0;border-top:1px solid var(--edge);margin:0;}

:focus-visible{
  outline:2px solid var(--cyan);
  outline-offset:2px;
  border-radius:6px;
}

.visually-hidden{
  position:absolute;
  width:1px;height:1px;
  margin:-1px;padding:0;
  overflow:hidden;
  clip-path:inset(50%);
  white-space:nowrap;
  border:0;
}

/* ---------- skip link ---------- */
.skip-link{
  position:fixed;
  top:10px;left:10px;
  z-index:200;
  padding:10px 20px;
  border-radius:999px;
  background:var(--cyan);
  color:#04120E;
  font-size:13px;
  font-weight:600;
  letter-spacing:.06em;
  text-decoration:none;
  transform:translateY(-180%);
  transition:transform .18s var(--ease);
}
.skip-link:focus,
.skip-link:focus-visible{transform:translateY(0);color:#04120E;}

/* ---------- 顶部横条 ---------- */
.site-header{position:relative;z-index:80;}

.topbar{
  position:fixed;
  top:0;left:var(--rail-w);right:0;
  z-index:90;
  height:var(--topbar-h);
  background:rgba(6,18,15,.92);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--edge);
}
.topbar__inner{
  display:flex;
  align-items:center;
  gap:clamp(10px,1.6vw,22px);
  height:100%;
  width:100%;
  max-width:1560px;
  margin:0 auto;
  padding:0 clamp(14px,2.4vw,30px);
}

.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
  color:var(--text);
  text-decoration:none;
}
.brand__mark{
  display:grid;
  place-items:center;
  width:32px;height:32px;
  border-radius:11px;
  border:1px solid var(--edge);
  background:linear-gradient(140deg, rgba(44,224,198,.24), rgba(255,138,60,.14));
  font-family:var(--font-data);
  font-size:11px;
  letter-spacing:0;
  color:var(--cyan);
}
.brand__text{display:flex;flex-direction:column;line-height:1.25;}
.brand__title{font-size:14px;font-weight:500;letter-spacing:.1em;}
.brand__line{font-family:var(--font-data);font-size:10.5px;letter-spacing:.06em;color:var(--muted);}

.util{
  display:flex;
  align-items:center;
  gap:8px;
  margin-left:auto;
  min-width:0;
}
.util__item,
.util__search,
.util__meta{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:6px 13px;
  border:1px solid var(--edge);
  border-radius:999px;
  background:rgba(12,35,29,.7);
  font-size:12px;
  letter-spacing:.1em;
  color:var(--muted);
  white-space:nowrap;
  transition:border-color .16s var(--ease), color .16s var(--ease), background .16s var(--ease);
}
.util__item:hover,
.util__search:hover{
  border-color:rgba(44,224,198,.6);
  color:var(--cyan);
  background:rgba(44,224,198,.08);
}
.util__search{
  border-style:dashed;
  font-family:var(--font-data);
  letter-spacing:.04em;
}
.util__search::before{
  content:"⌕";
  font-family:var(--font-body);
  font-size:13px;
  color:var(--cyan);
}
.util__meta{border-color:transparent;background:transparent;font-family:var(--font-data);letter-spacing:.02em;}

.action-link{
  display:inline-flex;
  align-items:center;
  gap:8px;
  flex:0 0 auto;
  padding:9px 18px;
  border-radius:999px;
  border:1px solid rgba(255,138,60,.55);
  background:linear-gradient(180deg, rgba(255,138,60,.2), rgba(255,138,60,.05));
  color:#FFDCC4;
  font-size:13px;
  letter-spacing:.1em;
  text-decoration:none;
  transition:transform .16s var(--ease), border-color .16s var(--ease), background .16s var(--ease), color .16s var(--ease);
}
.action-link:hover,
.action-link:focus-visible{
  transform:translateY(-2px);
  border-color:var(--orange);
  color:#FFFFFF;
  background:linear-gradient(180deg, rgba(255,138,60,.32), rgba(255,138,60,.1));
}

.nav-toggle{
  display:none;
  position:relative;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:5px;
  width:44px;height:44px;
  padding:0;
  border-radius:14px;
  border:1px solid var(--edge);
  background:var(--panel);
  color:var(--text);
  cursor:pointer;
  transition:border-color .16s var(--ease), background .16s var(--ease);
}
.nav-toggle:hover{border-color:rgba(44,224,198,.6);background:rgba(44,224,198,.08);}
.nav-toggle__bar{
  display:block;
  width:18px;height:2px;
  border-radius:2px;
  background:currentColor;
  transition:transform .18s var(--ease), opacity .18s var(--ease);
}
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:first-child{transform:translateY(3.5px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(2){transform:translateY(-3.5px) rotate(-45deg);}
.nav-toggle__text{
  position:absolute;
  width:1px;height:1px;
  overflow:hidden;
  clip-path:inset(50%);
  white-space:nowrap;
}

/* 滚动进度 */
.scroll-line{
  position:absolute;
  left:0;right:0;bottom:-1px;
  height:2px;
  overflow:hidden;
  pointer-events:none;
  background:rgba(23,64,52,.5);
}
.scroll-line__bar{
  display:block;
  width:100%;height:100%;
  transform:scaleX(0);
  transform-origin:0 50%;
  background:linear-gradient(90deg, var(--cyan), var(--orange));
  transition:transform .09s linear;
}

/* ---------- 竖栏框架导航 ---------- */
.rail{
  position:fixed;
  top:0;bottom:0;left:0;
  z-index:95;
  width:var(--rail-w);
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  padding:14px 0 16px;
  border-right:1px solid var(--edge);
  background:linear-gradient(180deg, #0A1E19 0%, #071512 55%, #06120F 100%);
}
.rail-head,
.rail-foot{
  font-family:var(--font-data);
  font-size:10px;
  letter-spacing:.26em;
  color:var(--muted);
  opacity:.75;
}
.rail-head{writing-mode:vertical-rl;text-orientation:mixed;padding-top:6px;}

.rail__nav{
  flex:1 1 auto;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  width:100%;
}
.rail__list{
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:4px;
  margin:0;padding:0;
  list-style:none;
  width:100%;
}
.rail-link{
  position:relative;
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:6px;
  width:56px;
  padding:10px 0;
  border-radius:14px;
  color:var(--muted);
  text-decoration:none;
  transition:color .16s var(--ease), background .16s var(--ease);
}
.rail-link::before{
  content:"";
  position:absolute;
  left:-14px;top:50%;
  width:3px;height:0;
  transform:translateY(-50%);
  border-radius:2px;
  background:var(--cyan);
  transition:height .18s var(--ease);
}
.rail-link:hover{
  color:var(--text);
  background:rgba(23,64,52,.55);
}
.rail-link[aria-current="page"]{
  color:var(--text);
  background:rgba(44,224,198,.1);
}
.rail-link[aria-current="page"]::before{height:26px;}

.rail-index{
  font-family:var(--font-data);
  font-variant-numeric:tabular-nums;
  font-size:10px;
  letter-spacing:.08em;
  color:inherit;
  opacity:.8;
}
.rail-label{
  writing-mode:vertical-rl;
  text-orientation:mixed;
  font-size:12px;
  letter-spacing:.2em;
  line-height:1;
  transition:opacity .18s var(--ease);
}
.rail-link::after{
  content:attr(data-label);
  position:absolute;
  left:calc(100% + 8px);
  top:50%;
  transform:translate(0,-50%);
  padding:5px 12px;
  border-radius:10px;
  border:1px solid var(--edge);
  background:var(--panel);
  color:var(--text);
  font-size:12px;
  letter-spacing:.12em;
  white-space:nowrap;
  box-shadow:var(--shadow);
  opacity:0;
  pointer-events:none;
  transition:opacity .14s var(--ease), transform .14s var(--ease);
  z-index:5;
}
.rail-link:hover::after,
.rail-link:focus-visible::after{
  opacity:1;
  transform:translate(4px,-50%);
}
.rail-cta{display:none;}

/* ---------- 共享内容容器与组件 ---------- */
.wrap{
  width:min(1280px, 100% - clamp(32px, 6vw, 96px));
  margin-inline:auto;
}

.breadcrumbs{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  padding:22px 0;
  font-family:var(--font-data);
  font-size:12px;
  letter-spacing:.08em;
  color:var(--muted);
}
.breadcrumbs a{color:var(--muted);text-decoration:none;}
.breadcrumbs a:hover{color:var(--cyan);}
.breadcrumbs__sep{opacity:.45;}
.breadcrumbs [aria-current="page"]{color:var(--text);}

.display-1{
  font-family:var(--font-display);
  font-weight:300;
  font-size:clamp(52px, 8vw, 128px);
  line-height:.92;
  letter-spacing:-.02em;
  margin:0;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:12px;
  letter-spacing:.16em;
  color:var(--muted);
  text-transform:none;
}
.eyebrow::before{
  content:"";
  width:18px;height:1px;
  background:var(--cyan);
  opacity:.8;
}
.data-num{
  font-family:var(--font-data);
  font-variant-numeric:tabular-nums;
  letter-spacing:.04em;
}

.btn{
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding:12px 24px;
  border-radius:999px;
  border:1px solid var(--edge);
  background:var(--panel);
  color:var(--text);
  font-size:14px;
  letter-spacing:.08em;
  text-decoration:none;
  transition:transform .18s var(--ease), border-color .18s var(--ease), background .18s var(--ease);
}
.btn:hover{
  transform:translateY(-2px);
  border-color:var(--cyan);
  color:var(--text);
  background:rgba(44,224,198,.1);
}
.btn--primary{
  border-color:rgba(255,138,60,.6);
  background:linear-gradient(180deg, rgba(255,138,60,.2), rgba(255,138,60,.05));
  color:#FFDCC4;
}
.btn--primary:hover{
  border-color:var(--orange);
  background:linear-gradient(180deg, rgba(255,138,60,.32), rgba(255,138,60,.1));
  color:#FFFFFF;
}
.btn--ghost{background:transparent;}

.panel{
  border:1px solid var(--edge);
  border-radius:var(--r-md);
  background:var(--panel);
  padding:clamp(18px, 2.4vw, 30px);
}
.panel--lift{
  transition:transform .2s var(--ease), border-color .2s var(--ease), box-shadow .2s var(--ease);
}
.panel--lift:hover,
.panel--lift:focus-within{
  transform:translateY(-4px);
  border-color:rgba(44,224,198,.65);
  box-shadow:var(--shadow);
}

.tag{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:4px 11px;
  border:1px solid var(--edge);
  border-radius:999px;
  font-size:12px;
  letter-spacing:.12em;
  color:var(--muted);
}
.tag--live{
  border-color:rgba(44,224,198,.5);
  color:var(--cyan);
  background:rgba(44,224,198,.08);
}

.band{
  display:inline-block;
  width:22px;height:3px;
  border-radius:2px;
  background:var(--edge);
}
.band--a{background:var(--lg-a);}
.band--b{background:var(--lg-b);}
.band--c{background:var(--lg-c);}
.band--d{background:var(--lg-d);}

.grid{
  display:grid;
  gap:clamp(16px, 2vw, 28px);
}
.grid--2{grid-template-columns:repeat(2, minmax(0,1fr));}
.grid--3{grid-template-columns:repeat(3, minmax(0,1fr));}

/* 图片容器基座：页面阶段放入 img 或占位块 */
.media{
  position:relative;
  display:block;
  overflow:hidden;
  width:100%;
  aspect-ratio:16 / 10;
  border:1px solid var(--edge);
  border-radius:var(--r-md);
  background:
    radial-gradient(circle at 28% 18%, rgba(44,224,198,.12), transparent 62%),
    radial-gradient(circle at 82% 88%, rgba(255,138,60,.1), transparent 58%),
    var(--panel);
}
.media--wide{aspect-ratio:21 / 9;}
.media--square{aspect-ratio:1 / 1;}
.media--portrait{aspect-ratio:4 / 5;}
.media__img,
.media > img{
  display:block;
  width:100%;height:100%;
  object-fit:cover;
}
.media__caption{
  position:absolute;
  left:16px;bottom:14px;
  font-family:var(--font-data);
  font-size:12px;
  letter-spacing:.08em;
  color:var(--muted);
}

/* 进入视口显现 */
[data-reveal]{
  opacity:0;
  transform:translateY(12px);
  transition:opacity .32s var(--ease), transform .32s var(--ease);
}
[data-reveal].is-in{
  opacity:1;
  transform:none;
}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:clamp(48px, 8vw, 104px);
  border-top:1px solid var(--edge);
  background:linear-gradient(180deg, rgba(12,35,29,.92), rgba(6,18,15,.98) 72%);
  padding-top:clamp(30px, 4vw, 52px);
}
.footer__bands{
  display:flex;
  gap:6px;
  height:4px;
  margin-bottom:clamp(26px, 3.4vw, 44px);
}
.footer__bands span{
  flex:1 1 0;
  border-radius:2px;
  background:var(--edge);
  opacity:.85;
}
.footer__bands span:nth-child(1){background:var(--lg-a);}
.footer__bands span:nth-child(2){background:var(--lg-b);}
.footer__bands span:nth-child(3){background:var(--lg-c);}
.footer__bands span:nth-child(4){background:var(--lg-d);}

.footer__top{
  display:flex;
  flex-wrap:wrap;
  align-items:flex-end;
  justify-content:space-between;
  gap:18px 32px;
  padding-bottom:clamp(20px, 2.6vw, 30px);
  border-bottom:1px solid var(--edge);
}
.footer__brand-title{
  margin:0;
  font-family:var(--font-display);
  font-weight:300;
  font-size:clamp(28px, 4vw, 46px);
  line-height:1;
  letter-spacing:-.01em;
}
.footer__brand-note{
  margin:10px 0 0;
  font-family:var(--font-data);
  font-size:12px;
  letter-spacing:.1em;
  color:var(--muted);
}
.footer__sig{
  margin:0;
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:13px;
  letter-spacing:.1em;
  color:var(--muted);
}
.footer__sig::before{
  content:"";
  width:7px;height:7px;
  border-radius:50%;
  background:var(--cyan);
  box-shadow:0 0 0 4px rgba(44,224,198,.14);
}

.footer__grid{
  display:grid;
  grid-template-columns:repeat(4, minmax(0,1fr));
  gap:clamp(18px, 3vw, 44px);
  padding:clamp(24px, 3vw, 38px) 0 clamp(28px, 3.4vw, 44px);
}
.footer__title{
  display:flex;
  align-items:center;
  gap:9px;
  margin:0 0 14px;
  font-size:12px;
  font-weight:400;
  letter-spacing:.16em;
  color:var(--muted);
}
.footer__title::before{
  content:"";
  width:14px;height:1px;
  background:var(--cyan);
  opacity:.75;
}
.footer__list{
  margin:0;padding:0;
  list-style:none;
  display:grid;
  gap:9px;
}
.footer__link{
  display:inline-block;
  font-size:14px;
  color:var(--text);
  text-decoration:none;
  border-bottom:1px solid transparent;
  padding-bottom:1px;
  transition:color .16s var(--ease), border-color .16s var(--ease);
}
.footer__link:hover,
.footer__link:focus-visible{
  color:var(--cyan);
  border-bottom-color:rgba(44,224,198,.55);
}
.footer__contact-item{
  display:block;
  font-family:var(--font-data);
  font-size:13px;
  letter-spacing:.02em;
  color:var(--muted);
  line-height:1.85;
  overflow-wrap:anywhere;
}

.footer__legal{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:10px 24px;
  padding:16px 0 26px;
  border-top:1px solid var(--edge);
}
.footer__legal-line{
  margin:0;
  font-family:var(--font-data);
  font-size:11.5px;
  letter-spacing:.08em;
  color:var(--muted);
  overflow-wrap:anywhere;
}

/* ---------- 响应式 ---------- */
@media (max-width:1180px){
  .util__meta{display:none;}
}

@media (max-width:1024px){
  .footer__grid{grid-template-columns:repeat(2, minmax(0,1fr));}
  .grid--3{grid-template-columns:repeat(2, minmax(0,1fr));}
}

@media (max-width:899px){
  :root{--rail-w:0px;}

  body{padding-left:0;}
  .topbar{left:0;}
  .scroll-line{left:0;}

  .rail{
    width:0;
    padding:0;
    border:0;
    background:none;
    justify-content:flex-start;
    pointer-events:none;
    overflow:visible;
  }
  .rail-head,
  .rail-foot{display:none;}

  .rail__nav{
    position:fixed;
    top:0;left:0;bottom:0;
    z-index:120;
    width:min(300px, 84vw);
    display:flex;
    flex-direction:column;
    align-items:stretch;
    justify-content:flex-start;
    gap:6px;
    padding:calc(var(--topbar-h) + 20px) 16px 28px;
    overflow-y:auto;
    border-right:1px solid var(--edge);
    background:linear-gradient(180deg, #0A1E19, #06120F);
    transform:translateX(-104%);
    transition:transform .24s var(--ease);
    pointer-events:auto;
  }
  .rail__nav[data-open]{
    transform:none;
    box-shadow:0 0 0 100vmax rgba(4,12,10,.72);
  }
  .rail__list{align-items:stretch;width:100%;gap:4px;}
  .rail-link{
    flex-direction:row;
    justify-content:flex-start;
    align-items:center;
    gap:14px;
    width:100%;
    padding:13px 16px;
    border-radius:14px;
  }
  .rail-link::before{left:0;height:0;}
  .rail-link[aria-current="page"]::before{height:22px;}
  .rail-link::after{display:none;}
  .rail-label{
    writing-mode:horizontal-tb;
    font-size:14px;
    letter-spacing:.1em;
    opacity:1;
  }
  .rail-cta{
    display:inline-flex;
    justify-content:center;
    margin-top:16px;
    padding:12px 18px;
    border-radius:999px;
    border:1px solid rgba(255,138,60,.55);
    background:linear-gradient(180deg, rgba(255,138,60,.2), rgba(255,138,60,.05));
    color:#FFDCC4;
    font-size:13px;
    letter-spacing:.1em;
    text-decoration:none;
  }

  .nav-toggle{display:flex;}
  .grid--2,
  .grid--3{grid-template-columns:1fr;}
  .display-1{font-size:clamp(44px, 11vw, 72px);}
}

@media (min-width:900px){
  .site-header[data-condensed] .rail-label{opacity:0;}
  .site-header[data-condensed] .rail-link{padding:9px 0;gap:3px;}
}

@media (max-width:780px){
  .util__search{display:none;}
}

@media (max-width:640px){
  :root{--topbar-h:52px;}
  .util{display:none;}
  .action-link{display:none;}
  .brand__line{display:none;}
  .footer__grid{grid-template-columns:1fr;}
  .footer__legal{justify-content:flex-start;}
}

/* ---------- 动效降级 ---------- */
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  *,*::before,*::after{
    transition-duration:.01ms !important;
    animation-duration:.01ms !important;
    animation-iteration-count:1 !important;
  }
  [data-reveal]{
    opacity:1 !important;
    transform:none !important;
  }
  .panel--lift:hover,
  .panel--lift:focus-within,
  .action-link:hover,
  .btn:hover{transform:none;}
}