/* ==========================================================================
   博盈平台 · 共享样式 /assets/site.css
   深青蓝基底 + 玻璃层/实色层并置 + 等宽状态标签
   ========================================================================== */

/* ---------- 变量 ---------- */
:root{
  --ink:#08222B;
  --panel:#0F3542;
  --glass:#1C4A57;
  --green:#2FD08A;
  --amber:#E8A33D;
  --red:#E2564E;
  --paper:#EDF3F4;
  --text-dark:#0D1F26;
  --indigo:#3E6D96;
  --indigo-deep:#25506F;
  --wine:#7A2E3A;

  --line:rgba(237,243,244,.14);
  --line-soft:rgba(237,243,244,.08);
  --line-strong:rgba(237,243,244,.28);
  --text-soft:rgba(237,243,244,.72);
  --text-mute:rgba(237,243,244,.52);

  --rail:232px;
  --dock-h:52px;
  --radius:3px;

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

  --pad-x:clamp(18px,3vw,40px);
  --shell:1440px;
}

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

/* ---------- 基础排版 ---------- */
body{
  background:var(--ink);
  color:var(--paper);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.75;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
h1,h2,h3,h4{font-family:var(--font-display);font-weight:900;line-height:1.12;letter-spacing:-.02em}
strong,b{font-weight:700}
code,kbd,samp,time{font-family:var(--font-mono);font-size:.92em;letter-spacing:.04em}
::selection{background:var(--green);color:#04231a}
#main-content{display:block}

/* ---------- 焦点 ---------- */
:focus{outline:none}
:focus-visible{
  outline:2px solid var(--green);
  outline-offset:4px;
  border-radius:2px;
}

/* ---------- 跳转链接 ---------- */
.skip-link{
  position:fixed;
  left:14px;
  top:-70px;
  z-index:200;
  padding:10px 20px;
  background:var(--green);
  color:#04231a;
  font-weight:700;
  font-size:14px;
  border-radius:var(--radius);
  transition:top .18s ease;
}
.skip-link:focus{top:14px}

/* ---------- 布局工具 ---------- */
.wrap{
  width:min(var(--shell),100%);
  margin-inline:auto;
  padding-inline:var(--pad-x);
}
.section{padding-block:clamp(44px,7vw,96px)}
.section-band{
  height:6px;
  width:100%;
  background:
    linear-gradient(90deg,var(--green) 0 18%,var(--indigo) 18% 34%,var(--wine) 34% 46%,
    rgba(237,243,244,.10) 46% 100%);
  opacity:.85;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.16em;
  color:var(--text-soft);
  text-transform:uppercase;
}
.eyebrow::before{content:"";width:16px;height:2px;background:var(--green);flex:0 0 auto}
.section-num{
  font-family:var(--font-mono);
  font-size:clamp(28px,4vw,48px);
  letter-spacing:.04em;
  color:rgba(237,243,244,.16);
  line-height:1;
}
.prose{max-width:38ch;font-size:17px;line-height:1.75;color:var(--text-soft)}
.prose p+p{margin-top:1em}
.prose a{color:var(--green);border-bottom:1px solid rgba(47,208,138,.4)}
.prose a:hover{border-bottom-color:var(--green)}

@media (min-width:1100px){
  .wrap--rail{padding-left:calc(var(--rail) + var(--pad-x))}
}

/* ---------- 页头 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:rgba(8,34,43,.93);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
  transition:background-color .2s ease,box-shadow .2s ease;
}
.site-header.is-scrolled{
  background:rgba(8,34,43,.985);
  box-shadow:0 10px 28px rgba(0,0,0,.32);
}
.header-inner{
  width:min(var(--shell),100%);
  margin-inline:auto;
  padding:10px var(--pad-x);
  display:grid;
  grid-template-columns:var(--rail) minmax(0,1fr);
  align-items:center;
  gap:clamp(16px,2vw,32px);
}
.header-brand{
  display:flex;
  flex-direction:column;
  gap:9px;
  padding-right:22px;
  border-right:1px solid var(--line);
}
.brand{display:flex;align-items:center;gap:11px}
.brand-mark{
  width:30px;height:30px;flex:0 0 auto;
  display:grid;place-items:center;
  border:1px solid var(--line-strong);
  border-radius:2px;
  background:linear-gradient(160deg,rgba(28,74,87,.9),rgba(8,34,43,.95));
}
.brand-mark-bar{
  width:14px;height:2px;
  background:var(--green);
  box-shadow:0 -6px 0 -0.5px rgba(62,109,150,.95),0 6px 0 -0.5px rgba(47,208,138,.55);
}
.brand-text{display:block;min-width:0}
.brand-name{
  display:block;
  font-family:var(--font-display);
  font-size:19px;
  font-weight:900;
  letter-spacing:-.01em;
  line-height:1.1;
}
.brand-tagline{
  display:block;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.18em;
  color:var(--text-mute);
  margin-top:2px;
}
.status-pill{
  display:inline-flex;
  align-items:center;
  gap:9px;
  padding:5px 11px;
  border:1px solid var(--line);
  border-radius:2px;
  background:rgba(28,74,87,.6);
  font-family:var(--font-mono);
  font-size:11.5px;
  letter-spacing:.04em;
  color:rgba(237,243,244,.84);
}
.status-text{white-space:nowrap}
.status-dot{
  width:8px;height:8px;flex:0 0 auto;
  border-radius:50%;
  background:var(--green);
  box-shadow:0 0 0 3px rgba(47,208,138,.18);
}
.status-dot--warn{background:var(--amber);box-shadow:0 0 0 3px rgba(232,163,61,.18)}
.status-dot--danger{background:var(--red);box-shadow:0 0 0 3px rgba(226,86,78,.2)}
.status-dot.is-pulsing{animation:dot-pulse .6s ease-out 1}
@keyframes dot-pulse{
  0%{box-shadow:0 0 0 3px rgba(47,208,138,.18)}
  45%{box-shadow:0 0 0 9px rgba(47,208,138,.06)}
  100%{box-shadow:0 0 0 3px rgba(47,208,138,.18)}
}

.header-index{
  display:flex;
  align-items:center;
  justify-content:flex-end;
  min-width:0;
}
.site-nav{
  display:flex;
  align-items:center;
  gap:clamp(10px,1.6vw,24px);
}
.nav-list{
  display:flex;
  align-items:stretch;
  gap:2px;
}
.nav-item{display:flex}
.nav-link{
  display:flex;
  flex-direction:column;
  gap:2px;
  padding:8px 11px;
  border-left:1px solid var(--line);
  border-radius:2px;
  transition:background-color .2s ease,transform .2s ease,border-color .2s ease;
}
.nav-num{
  font-family:var(--font-mono);
  font-size:10.5px;
  letter-spacing:.1em;
  color:var(--indigo);
  line-height:1.3;
}
.nav-label{
  font-size:14px;
  font-weight:600;
  letter-spacing:.01em;
  white-space:nowrap;
  color:rgba(237,243,244,.9);
}
.nav-link:hover{
  background:rgba(28,74,87,.6);
  border-left-color:var(--green);
  transform:translateY(-2px);
}
.nav-link[aria-current="page"]{
  background:rgba(28,74,87,.78);
  border-left-color:var(--green);
}
.nav-link[aria-current="page"] .nav-label{color:#fff}
.nav-link[aria-current="page"] .nav-num{color:var(--green)}
.nav-cta{flex:0 0 auto}

.nav-toggle{
  display:none;
  align-items:center;
  gap:10px;
  padding:9px 14px;
  border:1px solid var(--line-strong);
  border-radius:2px;
  background:rgba(28,74,87,.55);
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.06em;
  color:rgba(237,243,244,.9);
  transition:background-color .2s ease,transform .2s ease;
}
.nav-toggle:hover{background:rgba(28,74,87,.8);transform:translateY(-2px)}
.nav-toggle-bars{
  position:relative;
  width:16px;height:10px;
  border-top:2px solid var(--green);
  border-bottom:2px solid var(--green);
}
.nav-toggle-bars::after{
  content:"";
  position:absolute;left:0;right:0;top:50%;
  height:2px;background:var(--green);
  transform:translateY(-50%);
}
.nav-toggle-text{white-space:nowrap}

.scroll-track{
  height:2px;
  background:var(--line-soft);
}
.scroll-bar{
  display:block;
  height:100%;
  width:100%;
  transform:scaleX(0);
  transform-origin:0 50%;
  background:linear-gradient(90deg,var(--green),var(--amber));
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:10px 18px;
  border:1px solid var(--line-strong);
  border-radius:2px;
  background:rgba(28,74,87,.6);
  color:var(--paper);
  font-size:14px;
  font-weight:600;
  letter-spacing:.02em;
  line-height:1.4;
  transition:background-color .2s ease,transform .2s ease,border-color .2s ease,color .2s ease;
}
.btn:hover{background:rgba(28,74,87,.85);transform:translateY(-2px)}
.btn--primary{
  background:var(--green);
  color:#04231a;
  border-color:var(--green);
  font-weight:700;
}
.btn--primary:hover{background:#45dc9b;border-color:#45dc9b}
.btn--ghost{background:transparent;border-color:var(--line-strong);color:rgba(237,243,244,.9)}
.btn--ghost:hover{background:rgba(28,74,87,.5);border-color:var(--green)}

/* ---------- 标签 / 状态牌 ---------- */
.tag{
  display:inline-flex;
  align-items:center;
  gap:7px;
  padding:4px 10px;
  border:1px solid var(--line);
  border-left-width:2px;
  border-left-color:var(--indigo);
  border-radius:2px;
  background:rgba(28,74,87,.45);
  font-family:var(--font-mono);
  font-size:11.5px;
  letter-spacing:.08em;
  color:var(--text-soft);
}
.tag--green{border-left-color:var(--green);color:var(--green)}
.tag--warn{border-left-color:var(--amber);color:var(--amber)}
.tag--danger{border-left-color:var(--red);color:var(--red)}

/* ---------- 内容层 ---------- */
.glass-panel{
  background:rgba(28,74,87,.6);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:clamp(16px,2.4vw,26px);
  transition:background-color .2s ease,transform .2s ease,border-color .2s ease;
}
.glass-panel:hover{
  background:rgba(28,74,87,.7);
  transform:translateY(-2px);
}
.panel{
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:clamp(18px,2.6vw,30px);
}
.paper{
  background:var(--paper);
  color:var(--text-dark);
  border-radius:var(--radius);
  padding:clamp(18px,2.6vw,34px);
}
.paper h2,.paper h3{color:var(--text-dark)}
.paper a{color:var(--indigo-deep);border-bottom:1px solid rgba(37,80,111,.35)}
.paper a:hover{border-bottom-color:var(--indigo-deep)}

/* ---------- 网格 ---------- */
.grid{display:grid;gap:clamp(18px,2.4vw,32px)}
.grid--2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid--7-5{grid-template-columns:7fr 5fr}
.grid--8-4{grid-template-columns:8fr 4fr}

/* ---------- 编号步骤 ---------- */
.steps{display:grid;gap:14px}
.step{
  display:grid;
  grid-template-columns:38px minmax(0,1fr);
  gap:14px;
  align-items:start;
  padding:15px 18px;
  border:1px solid var(--line);
  border-left:2px solid var(--green);
  border-radius:var(--radius);
  background:rgba(28,74,87,.42);
}
.step-num{
  font-family:var(--font-mono);
  font-size:13px;
  letter-spacing:.08em;
  color:var(--green);
}
.step-title{font-size:16px;font-weight:700;color:rgba(237,243,244,.95)}
.step-text{margin-top:4px;font-size:14.5px;color:var(--text-soft)}

/* ---------- 面包屑 ---------- */
.breadcrumbs{
  display:flex;
  flex-wrap:wrap;
  gap:6px 10px;
  padding:16px 0;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.06em;
}
.breadcrumbs li{display:flex;align-items:center;gap:10px}
.breadcrumbs li+li::before{content:"/";color:rgba(237,243,244,.28)}
.crumb{color:rgba(237,243,244,.7)}
.crumb:hover{color:var(--green)}
.crumb-current{color:var(--amber)}

/* ---------- 图片容器基础规则（页面阶段放占位） ---------- */
.media-frame{
  position:relative;
  display:block;
  width:100%;
  aspect-ratio:16 / 9;
  border:1px solid var(--line);
  border-radius:var(--radius);
  overflow:hidden;
  background:
    linear-gradient(150deg,rgba(28,74,87,.55),rgba(8,34,43,.92));
}
.media-frame > img,
.media-frame > svg{
  width:100%;
  height:100%;
  object-fit:cover;
}
.media-frame--wide{aspect-ratio:21 / 9}
.media-frame--tall{aspect-ratio:4 / 5}
.media-frame--square{aspect-ratio:1 / 1}
.fig-caption{
  margin-top:10px;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.04em;
  color:var(--text-mute);
}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--ink);
  border-top:1px solid var(--line);
  padding-top:clamp(44px,6vw,76px);
  padding-bottom:calc(var(--dock-h) + 32px);
}
.footer-inner{
  width:min(var(--shell),100%);
  margin-inline:auto;
  padding-inline:var(--pad-x);
  display:grid;
  grid-template-columns:minmax(220px,.9fr) minmax(0,2.4fr);
  gap:clamp(26px,4vw,64px);
  align-items:start;
}
.footer-brand{
  border-left:3px solid var(--wine);
  padding-left:18px;
}
.footer-eyebrow{
  font-family:var(--font-mono);
  font-size:11.5px;
  letter-spacing:.16em;
  color:var(--amber);
}
.footer-title{
  font-family:var(--font-display);
  font-size:clamp(24px,2.6vw,30px);
  font-weight:900;
  letter-spacing:-.02em;
  margin:10px 0 12px;
}
.footer-desc{
  font-size:14px;
  line-height:1.8;
  color:var(--text-soft);
  max-width:32ch;
  margin-bottom:20px;
}
.footer-cols{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:clamp(16px,2.4vw,32px);
}
.footer-col-title{
  font-family:var(--font-mono);
  font-size:11.5px;
  font-weight:400;
  letter-spacing:.14em;
  color:var(--text-mute);
  padding-bottom:10px;
  margin-bottom:12px;
  border-bottom:1px solid var(--line);
}
.footer-list{display:flex;flex-direction:column;gap:9px}
.footer-link{
  font-size:14px;
  color:rgba(237,243,244,.78);
  border-bottom:1px solid transparent;
  padding-bottom:1px;
  transition:color .2s ease,border-color .2s ease;
}
.footer-link:hover{color:var(--green);border-bottom-color:var(--green)}
.footer-meta{
  width:min(var(--shell),100%);
  margin:clamp(28px,4vw,48px) auto 0;
  padding:20px var(--pad-x) 0;
  border-top:1px solid var(--line);
  display:grid;
  gap:8px;
  font-size:13px;
  color:var(--text-mute);
}
.footer-contact{
  font-family:var(--font-mono);
  font-size:12.5px;
  letter-spacing:.03em;
  color:rgba(237,243,244,.8);
  word-break:break-word;
}
.footer-note{max-width:66ch}
.footer-legal{
  display:flex;
  flex-wrap:wrap;
  gap:6px 22px;
  font-family:var(--font-mono);
  font-size:12px;
  color:var(--text-mute);
}
.footer-icp{letter-spacing:.04em}

/* ---------- 底部常驻服务状态台 ---------- */
.service-dock{
  position:fixed;
  left:0;right:0;bottom:0;
  z-index:90;
  display:flex;
  flex-direction:column;
  justify-content:flex-end;
  pointer-events:none;
}
.service-panel{
  pointer-events:auto;
  width:min(var(--shell),100%);
  margin-inline:auto;
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr)) auto;
  gap:clamp(16px,2.4vw,30px);
  align-items:start;
  padding:22px var(--pad-x);
  background:rgba(28,74,87,.82);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-top:1px solid var(--line-strong);
}
.service-step{
  border-left:2px solid var(--green);
  padding-left:14px;
}
.service-step--warn{border-left-color:var(--amber)}
.service-step--info{border-left-color:var(--indigo)}
.service-step-title{
  font-family:var(--font-mono);
  font-size:11.5px;
  letter-spacing:.1em;
  color:rgba(237,243,244,.9);
  margin-bottom:5px;
}
.service-step-text{font-size:14px;line-height:1.7;color:var(--text-soft)}
.service-panel-cta{align-self:center}
.service-bar{
  pointer-events:auto;
  width:min(var(--shell),100%);
  margin-inline:auto;
  min-height:var(--dock-h);
  display:flex;
  align-items:center;
  gap:12px;
  padding:8px var(--pad-x);
  background:rgba(15,53,66,.95);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-top:1px solid var(--line-strong);
}
.service-state{
  display:inline-flex;
  align-items:center;
  gap:9px;
  margin-right:auto;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.1em;
  color:rgba(237,243,244,.86);
}
.service-toggle{
  padding:7px 15px;
  border:1px solid var(--line-strong);
  border-radius:2px;
  background:rgba(28,74,87,.6);
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.04em;
  color:rgba(237,243,244,.92);
  transition:background-color .2s ease,transform .2s ease,border-color .2s ease;
}
.service-toggle:hover{background:rgba(47,208,138,.16);border-color:var(--green);transform:translateY(-2px)}
.to-top{
  padding:7px 13px;
  border:1px solid var(--line);
  border-radius:2px;
  background:transparent;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.04em;
  color:var(--text-soft);
  opacity:0;
  visibility:hidden;
  transition:opacity .2s ease,visibility .2s ease,color .2s ease;
}
.to-top:hover{color:var(--green)}
.to-top.is-visible{opacity:1;visibility:visible}

/* ---------- 响应式 ---------- */
@media (max-width:1080px){
  .header-inner{
    grid-template-columns:minmax(0,1fr) auto;
    grid-template-areas:
      "brand toggle"
      "nav nav";
    gap:8px 14px;
  }
  .header-brand{
    grid-area:brand;
    flex-direction:row;
    align-items:center;
    flex-wrap:wrap;
    gap:12px;
    padding-right:0;
    border-right:0;
  }
  .nav-toggle{grid-area:toggle;display:inline-flex;justify-self:end}
  .header-index{grid-area:nav;display:block;width:100%}
  .site-nav{display:none;width:100%}
  .site-nav[data-open]{
    display:flex;
    flex-direction:column;
    align-items:stretch;
    gap:0;
    padding:10px 0 6px;
    border-top:1px solid var(--line);
  }
  .nav-list{flex-direction:column;gap:0;width:100%}
  .nav-item{width:100%}
  .nav-link{
    flex-direction:row;
    align-items:center;
    gap:14px;
    padding:13px 10px;
    border-left:2px solid var(--line);
  }
  .nav-num{font-size:11px}
  .nav-label{font-size:15px}
  .nav-cta{margin:12px 10px 8px;justify-content:center;width:calc(100% - 20px)}

  .footer-inner{grid-template-columns:minmax(0,1fr)}
  .footer-brand{border-left-width:3px}
  .service-panel{grid-template-columns:minmax(0,1fr);max-height:64vh;overflow:auto;gap:16px}
  .service-panel-cta{justify-self:start}
}

@media (max-width:900px){
  .grid--2,.grid--3,.grid--7-5,.grid--8-4{grid-template-columns:minmax(0,1fr)}
  .footer-cols{grid-template-columns:repeat(2,minmax(0,1fr));gap:22px 18px}
}

@media (max-width:640px){
  body{font-size:15.5px}
  .brand-name{font-size:17px}
  .brand-tagline{font-size:10.5px;letter-spacing:.14em}
  .status-pill{font-size:10.5px;padding:4px 9px}
  .header-inner{padding-top:8px;padding-bottom:8px}
  .wrap,.header-inner,.footer-inner,.footer-meta,.service-bar,.service-panel{padding-inline:16px}
  .footer-cols{grid-template-columns:minmax(0,1fr)}
  .service-bar{flex-wrap:wrap;gap:8px;min-height:auto;padding-top:10px;padding-bottom:10px}
  .service-state{width:100%}
  .step{grid-template-columns:30px minmax(0,1fr);padding:13px 14px}
  .section{padding-block:36px}
}

/* ---------- 动效尊重 ---------- */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
  }
  .btn:hover,
  .nav-link:hover,
  .nav-toggle:hover,
  .glass-panel:hover,
  .service-toggle:hover{transform:none}
}