/* ==========================================================================
   TP钱包 · desktop-tpwallet.com.cn
   共享样式表 /assets/site.css
   侧栏轨道 × 悬浮胶囊 × 编号章节 × 双色强调
   ========================================================================== */

:root{
  --bg-deep:#05070F;
  --bg-panel:#0B111D;
  --bg-glass:#131C2C;
  --line:#1E2A3D;
  --cyan:#35E8D0;
  --amber:#FFA23C;
  --violet:#7E789B;
  --text:#E9EFF8;
  --text-dim:#93A2B8;
  --danger:#FF6172;

  --font-display:'Sora','Space Grotesk','HarmonyOS Sans SC','Noto Sans SC','PingFang SC',sans-serif;
  --font-body:'Inter','Noto Sans SC','HarmonyOS Sans SC','PingFang SC',sans-serif;
  --font-mono:'JetBrains Mono','IBM Plex Mono',ui-monospace,'SFMono-Regular',monospace;

  --rail-w:88px;
  --cut:12px;
  --shell:1280px;
  --gut:32px;
  --header-space:112px;
  --ease:cubic-bezier(.2,.7,.2,1);
  --dur:320ms;
}

/* ---------- reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg-deep);
  color:var(--text);
  font-family:var(--font-body);
  font-size:17px;
  font-weight:400;
  line-height:1.75;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img,svg,video{max-width:100%;height:auto}
h1,h2,h3,h4,h5,h6{margin:0;font-family:var(--font-display);font-weight:700;line-height:1.24;letter-spacing:.01em}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
::selection{background:rgba(53,232,208,.3);color:#F4FFFC}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px}

/* ---------- 背景纹理：电路网格 + 冷热双光晕 ---------- */
body::before{
  content:"";position:fixed;inset:0;z-index:0;pointer-events:none;
  background:
    radial-gradient(900px 520px at 12% -8%,rgba(53,232,208,.10),transparent 62%),
    radial-gradient(760px 460px at 96% 4%,rgba(255,162,60,.07),transparent 66%),
    radial-gradient(1200px 700px at 50% 120%,rgba(126,120,155,.08),transparent 70%);
}
body::after{
  content:"";position:fixed;inset:0;z-index:0;pointer-events:none;opacity:.5;
  background-image:
    linear-gradient(rgba(30,42,61,.55) 1px,transparent 1px),
    linear-gradient(90deg,rgba(30,42,61,.55) 1px,transparent 1px);
  background-size:72px 72px;
  -webkit-mask-image:radial-gradient(1200px 800px at 30% 0%,#000 0%,transparent 78%);
  mask-image:radial-gradient(1200px 800px at 30% 0%,#000 0%,transparent 78%);
}
.site-header,.site-footer,#main-content{position:relative;z-index:1}

/* ---------- 跳转链接 ---------- */
.skip-link{
  position:fixed;top:10px;left:calc(var(--rail-w) + 14px);z-index:90;
  transform:translateY(-220%);
  background:var(--cyan);color:#03110E;
  font-family:var(--font-display);font-weight:700;font-size:14px;letter-spacing:.06em;
  padding:10px 18px;
  clip-path:polygon(8px 0,100% 0,100% calc(100% - 8px),calc(100% - 8px) 100%,0 100%,0 8px);
  transition:transform 180ms var(--ease);
}
.skip-link:focus{transform:translateY(0)}

/* ---------- 左侧品牌轨道 ---------- */
.rail{
  display:none;
  position:fixed;top:0;left:0;bottom:0;width:var(--rail-w);z-index:40;
  flex-direction:column;align-items:center;justify-content:space-between;
  padding:26px 0 24px;
  border-right:1px solid var(--line);
  background:linear-gradient(180deg,#080C16 0%,#05070F 100%);
}
.rail__mark{
  font-family:var(--font-display);font-weight:800;font-size:18px;letter-spacing:.16em;
  color:var(--text);padding-bottom:8px;border-bottom:1px solid rgba(53,232,208,.55);
}
.rail__track{
  position:relative;flex:1 1 auto;width:1px;margin:22px 0;
  background:linear-gradient(180deg,rgba(30,42,61,0),var(--line) 14%,var(--line) 86%,rgba(30,42,61,0));
}
.rail__dot{
  position:absolute;top:20%;left:50%;width:5px;height:5px;margin-left:-2.5px;
  background:var(--cyan);box-shadow:0 0 14px rgba(53,232,208,.9);
}
.rail__ticks{
  display:flex;flex-direction:column;gap:16px;
  font-family:var(--font-mono);font-size:10px;letter-spacing:.16em;color:var(--violet);
}
.rail__note{
  writing-mode:vertical-rl;margin-top:22px;
  font-family:var(--font-mono);font-size:10px;letter-spacing:.34em;color:var(--text-dim);
}

/* ---------- 悬浮胶囊导航 ---------- */
.site-header{
  position:fixed;top:20px;left:calc(var(--rail-w) + 24px);right:24px;z-index:50;
  display:flex;justify-content:flex-end;pointer-events:none;
}
.site-header > *{pointer-events:auto}

.nav-capsule{
  display:flex;align-items:center;gap:16px;flex-wrap:wrap;
  width:100%;max-width:1180px;margin-left:auto;
  padding:10px 14px;
  background:rgba(19,28,44,.82);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border:1px solid var(--line);
  clip-path:polygon(14px 0,100% 0,100% calc(100% - 14px),calc(100% - 14px) 100%,0 100%,0 14px);
  transition:padding var(--dur) var(--ease),background var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.nav-capsule__brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;padding:4px}
.nav-capsule__mark{
  display:grid;place-items:center;width:34px;height:34px;
  border:1px solid rgba(53,232,208,.5);color:var(--cyan);
  font-family:var(--font-display);font-weight:800;font-size:13px;letter-spacing:.06em;
  clip-path:polygon(8px 0,100% 0,100% calc(100% - 8px),calc(100% - 8px) 100%,0 100%,0 8px);
  background:rgba(53,232,208,.06);
}
.nav-capsule__name{
  font-family:var(--font-display);font-weight:700;font-size:15px;letter-spacing:.06em;
  color:var(--text);white-space:nowrap;
}
.nav-capsule__panel{display:flex;flex:1 1 auto;align-items:center;gap:22px;justify-content:flex-end}
.nav-capsule__list{display:flex;align-items:center;gap:2px}
.nav-capsule__list a{
  position:relative;display:inline-block;padding:8px 12px;
  font-size:15px;font-weight:500;color:#C3D0E2;
  transition:color 180ms var(--ease);
}
.nav-capsule__list a::after{
  content:"";position:absolute;left:12px;right:12px;bottom:4px;height:1px;
  background:var(--cyan);transform:scaleX(0);transform-origin:left;
  transition:transform 220ms var(--ease);
}
.nav-capsule__list a:hover{color:var(--text)}
.nav-capsule__list a:hover::after{transform:scaleX(1)}
.nav-capsule__list a[aria-current="page"]{color:var(--cyan)}
.nav-capsule__list a[aria-current="page"]::after{transform:scaleX(1);box-shadow:0 0 10px rgba(53,232,208,.85)}

.nav-capsule__actions{display:flex;align-items:center;gap:10px}
.nav-capsule__toggle{
  display:none;align-items:center;gap:8px;margin-left:auto;
  padding:10px 13px;border:1px solid var(--line);color:var(--text);
  font-family:var(--font-mono);font-size:12px;letter-spacing:.14em;
  transition:border-color 180ms var(--ease),color 180ms var(--ease);
}
.nav-capsule__toggle:hover{border-color:rgba(53,232,208,.5);color:var(--cyan)}
.nav-capsule__bars{position:relative;display:block;width:16px;height:10px}
.nav-capsule__bars::before,.nav-capsule__bars::after{
  content:"";position:absolute;left:0;width:16px;height:1.5px;background:var(--cyan);
  transition:transform 220ms var(--ease);
}
.nav-capsule__bars::before{top:0}
.nav-capsule__bars::after{bottom:0}
[data-nav][data-open] .nav-capsule__bars::before{transform:translateY(4px) rotate(45deg)}
[data-nav][data-open] .nav-capsule__bars::after{transform:translateY(-4px) rotate(-45deg)}
[data-nav][data-open] .nav-capsule__toggle{border-color:rgba(53,232,208,.5);color:var(--cyan)}
[data-nav][data-open] .nav-capsule{border-color:rgba(53,232,208,.35)}

/* ---------- 滚动进度 ---------- */
.scroll-progress{
  position:fixed;top:0;left:0;right:0;height:2px;z-index:60;
  pointer-events:none;background:rgba(30,42,61,.6);
}
.scroll-progress span{
  display:block;height:100%;width:0;
  background:linear-gradient(90deg,var(--cyan),var(--amber));
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:10px 16px;
  font-family:var(--font-display);font-weight:600;font-size:14px;letter-spacing:.06em;
  color:var(--text);border:1px solid var(--line);white-space:nowrap;
  clip-path:polygon(9px 0,100% 0,100% calc(100% - 9px),calc(100% - 9px) 100%,0 100%,0 9px);
  transition:border-color 180ms var(--ease),color 180ms var(--ease),box-shadow 180ms var(--ease),background 180ms var(--ease);
}
.btn--ghost{border-color:var(--line);color:var(--text-dim)}
.btn--ghost:hover{border-color:rgba(233,239,248,.45);color:var(--text)}
.btn--glow{
  border-color:rgba(53,232,208,.62);color:var(--cyan);
  background:linear-gradient(180deg,rgba(53,232,208,.16),rgba(53,232,208,.04));
  box-shadow:0 0 0 1px rgba(53,232,208,.14),0 0 22px rgba(53,232,208,.18);
}
.btn--glow:hover{
  color:#DFFFF9;border-color:var(--cyan);
  box-shadow:0 0 0 1px rgba(53,232,208,.3),0 0 30px rgba(53,232,208,.34);
}
.btn--line{border-color:rgba(255,162,60,.55);color:var(--amber);background:rgba(255,162,60,.06)}
.btn--line:hover{border-color:var(--amber);color:#FFD6A8;background:rgba(255,162,60,.12)}

/* ---------- 内容容器与节奏 ---------- */
.shell{
  width:100%;max-width:var(--shell);margin:0 auto;
  padding-left:var(--gut);padding-right:var(--gut);
}
#main-content{position:relative;z-index:1}
.section{padding:76px 0;position:relative}
.section--tight{padding:48px 0}
.stack > * + *{margin-top:18px}

/* ---------- 编号章节 ---------- */
.chapter{
  display:grid;grid-template-columns:auto 1fr;gap:22px;align-items:baseline;
  padding-bottom:20px;margin-bottom:34px;border-bottom:1px solid var(--line);
}
.chapter__num{
  font-family:var(--font-mono);font-size:clamp(38px,4.6vw,62px);font-weight:700;
  line-height:1;letter-spacing:.02em;color:rgba(53,232,208,.9);
  text-shadow:0 0 26px rgba(53,232,208,.25);
}
.chapter__title{font-size:clamp(22px,2.2vw,32px);letter-spacing:.02em}
.chapter__note{margin-top:8px;font-size:14px;color:var(--text-dim)}

/* ---------- 栅格 ---------- */
.grid{display:grid;gap:24px}
.grid--7-5,.grid--8-4,.grid--5-7,.grid--6-6,.grid--4,.grid--3{grid-template-columns:1fr}
@media (min-width:900px){
  .grid--7-5{grid-template-columns:7fr 5fr}
  .grid--8-4{grid-template-columns:8fr 4fr}
  .grid--5-7{grid-template-columns:5fr 7fr}
  .grid--6-6{grid-template-columns:1fr 1fr}
  .grid--4{grid-template-columns:repeat(4,minmax(0,1fr))}
  .grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}
}

/* ---------- 切角面板 ---------- */
.panel{
  position:relative;padding:24px;
  background:linear-gradient(180deg,rgba(19,28,44,.74),rgba(11,17,29,.88));
  border:1px solid 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));
}
.panel--glass{background:rgba(19,28,44,.56);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}
.panel--accent{border-color:rgba(53,232,208,.42);box-shadow:inset 0 0 0 1px rgba(53,232,208,.06)}
.panel--warn{border-color:rgba(255,162,60,.45);background:linear-gradient(180deg,rgba(255,162,60,.09),rgba(11,17,29,.9))}
.panel--legacy{border-color:rgba(126,120,155,.45);background:linear-gradient(180deg,rgba(126,120,155,.12),rgba(11,17,29,.9));color:#C9C4DE}
.panel--legacy .chapter__num{color:var(--violet);text-shadow:none}

/* ---------- 文本工具 ---------- */
.eyebrow{
  display:inline-block;font-family:var(--font-mono);font-size:12px;letter-spacing:.26em;
  color:var(--cyan);text-transform:uppercase;
}
.lede{font-size:clamp(17px,1.3vw,20px);line-height:1.72;color:#C8D3E4;max-width:62ch}
.mono{font-family:var(--font-mono);font-size:15px;letter-spacing:.02em}
.prose{max-width:74ch;color:#D6DEEA}
.prose p{margin-bottom:1.05em}
.prose h3{margin:1.8em 0 .6em;font-size:clamp(19px,1.7vw,23px);color:var(--text)}
.prose ul{margin:0 0 1.2em;padding-left:0}
.prose ul li{position:relative;padding-left:22px;margin-bottom:.5em}
.prose ul li::before{content:"";position:absolute;left:0;top:.72em;width:10px;height:1px;background:var(--cyan)}
.prose a{color:var(--cyan);border-bottom:1px solid rgba(53,232,208,.38)}
.prose a:hover{border-bottom-color:var(--cyan)}
.prose strong{color:var(--text);font-weight:700}

/* ---------- 面包屑 ---------- */
.breadcrumbs{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:24px;
  font-family:var(--font-mono);font-size:12px;letter-spacing:.08em;color:var(--text-dim);
}
.breadcrumbs li{display:inline-flex;align-items:center;gap:10px}
.breadcrumbs li + li::before{content:"/";color:var(--line)}
.breadcrumbs a{color:var(--text-dim);transition:color 160ms var(--ease)}
.breadcrumbs a:hover{color:var(--cyan)}

/* ---------- 等宽片段与标签 ---------- */
.code{
  display:inline-block;padding:2px 9px;
  font-family:var(--font-mono);font-size:14px;letter-spacing:.02em;
  color:#CFCBE0;background:rgba(126,120,155,.12);
  border:1px solid rgba(126,120,155,.5);
}
.code--live{
  color:var(--cyan);background:rgba(53,232,208,.08);
  border-color:rgba(53,232,208,.5);
}
.tag{
  display:inline-flex;align-items:center;gap:6px;padding:4px 10px;
  font-family:var(--font-mono);font-size:12px;letter-spacing:.12em;
  color:var(--text-dim);border:1px solid var(--line);background:rgba(19,28,44,.6);
}
.tag--cyan{color:var(--cyan);border-color:rgba(53,232,208,.45);background:rgba(53,232,208,.07)}
.tag--amber{color:var(--amber);border-color:rgba(255,162,60,.45);background:rgba(255,162,60,.07)}
.tag--legacy{color:#B4AECB;border-color:rgba(126,120,155,.5);background:rgba(126,120,155,.12)}

/* ---------- 数据流卡片 ---------- */
.data-card{
  position:relative;padding:18px 20px;
  background:linear-gradient(180deg,rgba(19,28,44,.85),rgba(11,17,29,.92));
  border:1px solid 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));
}
.data-card__label{
  font-family:var(--font-mono);font-size:12px;letter-spacing:.16em;
  color:var(--text-dim);text-transform:uppercase;
}
.data-card__value{
  display:block;margin-top:6px;
  font-family:var(--font-mono);font-size:clamp(20px,2vw,26px);font-weight:700;
  letter-spacing:.02em;color:var(--text);
}
.data-card__meta{margin-top:6px;font-size:13px;color:var(--text-dim)}

/* ---------- 版本时间轴 ---------- */
.timeline{position:relative;padding-left:26px;border-left:1px solid var(--line)}
.timeline__item{position:relative;padding-bottom:28px}
.timeline__item::before{
  content:"";position:absolute;left:-31px;top:8px;width:9px;height:9px;
  background:var(--bg-deep);border:1px solid var(--cyan);border-radius:50%;
}
.timeline__item.is-legacy::before{border-color:var(--violet)}
.timeline__ver{
  font-family:var(--font-mono);font-size:15px;letter-spacing:.04em;color:var(--cyan);
}
.timeline__item.is-legacy .timeline__ver{color:#B4AECB}
.timeline__body{margin-top:6px;font-size:15px;color:var(--text-dim)}

/* ---------- 媒体容器 ---------- */
.media{
  position:relative;display:block;width:100%;overflow:hidden;
  background:linear-gradient(140deg,#0B111D,#131C2C);
  border:1px solid 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));
}
.media__frame{aspect-ratio:16 / 10}
.media__frame--wide{aspect-ratio:21 / 9}
.media__frame--square{aspect-ratio:1 / 1}
.media img,.media svg,.media video{display:block;width:100%;height:100%;object-fit:cover}
.media__caption{margin-top:10px;font-family:var(--font-mono);font-size:12px;color:var(--text-dim)}

/* ---------- 滚动显现 ---------- */
[data-reveal]{
  opacity:0;transform:translateY(16px);
  transition:opacity var(--dur) var(--ease),transform var(--dur) var(--ease);
  transition-delay:var(--reveal-delay,0ms);
}
[data-reveal].is-in{opacity:1;transform:none}

/* ---------- 页脚 ---------- */
.site-footer{
  position:relative;z-index:1;margin-top:96px;
  background:linear-gradient(180deg,rgba(11,17,29,.72),#05070F 82%);
  border-top:1px solid var(--line);
}
.site-footer::before{
  content:"";position:absolute;top:-1px;left:0;width:min(380px,62%);height:1px;
  background:linear-gradient(90deg,var(--cyan),rgba(53,232,208,0));
}
.footer__inner{display:grid;gap:36px;padding-top:56px;padding-bottom:26px}
@media (min-width:900px){
  .footer__inner{grid-template-columns:minmax(240px,1fr) 2.2fr;gap:48px}
}
.footer__mark{
  display:inline-grid;place-items:center;width:40px;height:40px;
  border:1px solid rgba(53,232,208,.5);color:var(--cyan);background:rgba(53,232,208,.06);
  font-family:var(--font-display);font-weight:800;font-size:15px;letter-spacing:.06em;
  clip-path:polygon(9px 0,100% 0,100% calc(100% - 9px),calc(100% - 9px) 100%,0 100%,0 9px);
}
.footer__title{margin-top:16px;font-family:var(--font-display);font-weight:700;font-size:17px;letter-spacing:.06em}
.footer__sub{margin-top:4px;font-family:var(--font-mono);font-size:12px;letter-spacing:.14em;color:var(--text-dim)}
.footer__safety{
  display:flex;gap:10px;margin-top:18px;padding:12px 14px;
  font-size:14px;line-height:1.7;color:#F3D9BC;
  border:1px solid rgba(255,162,60,.4);background:rgba(255,162,60,.07);
  clip-path:polygon(10px 0,100% 0,100% calc(100% - 10px),calc(100% - 10px) 100%,0 100%,0 10px);
}
.footer__safety-dot{
  flex:0 0 auto;width:6px;height:6px;margin-top:9px;
  background:var(--amber);box-shadow:0 0 10px rgba(255,162,60,.8);
}
.footer__cols{display:grid;gap:26px 20px;grid-template-columns:repeat(2,minmax(0,1fr))}
@media (min-width:1024px){.footer__cols{grid-template-columns:repeat(4,minmax(0,1fr))}}
.footer__col-title{
  margin-bottom:14px;font-family:var(--font-mono);font-size:12px;font-weight:500;
  letter-spacing:.22em;color:var(--text-dim);
}
.footer__links li + li{margin-top:10px}
.footer__links a{font-size:15px;color:#B9C6D8;transition:color 160ms var(--ease)}
.footer__links a:hover{color:var(--cyan)}
.footer__meta{
  grid-column:1 / -1;padding-top:22px;border-top:1px solid var(--line);
  display:grid;gap:8px;font-size:13.5px;color:var(--text-dim);
}
.footer__contact{color:#B9C6D8}
.footer__copy{font-family:var(--font-mono);font-size:12px;letter-spacing:.06em}

/* ---------- 平板 / 移动 ---------- */
@media (max-width:1023px){
  :root{--header-space:96px}
  .site-header{top:12px;left:12px;right:12px}
  .skip-link{left:12px}
  .nav-capsule{padding:10px 12px;gap:12px}
  .nav-capsule__panel{
    display:none;flex-basis:100%;flex-direction:column;align-items:stretch;
    gap:10px;margin-top:12px;padding-top:14px;border-top:1px solid var(--line);
  }
  .nav-capsule[data-open] .nav-capsule__panel{display:flex}
  .nav-capsule__list{flex-direction:column;align-items:stretch;gap:4px}
  .nav-capsule__list a{display:block;padding:12px 14px;font-size:16px;border:1px solid transparent}
  .nav-capsule__list a::after{display:none}
  .nav-capsule__list a:hover{border-color:var(--line)}
  .nav-capsule__list a[aria-current="page"]{
    border-color:rgba(53,232,208,.42);background:rgba(53,232,208,.07);
  }
  .nav-capsule__toggle{display:inline-flex}
  .nav-capsule__actions{flex-direction:column;align-items:stretch;gap:10px}
  .nav-capsule__actions .btn{padding:13px 16px}
}
@media (max-width:640px){
  :root{--gut:20px;--cut:10px}
  body{font-size:16px;line-height:1.72}
  .nav-capsule__name{display:none}
  .section{padding:56px 0}
  .chapter{gap:16px;margin-bottom:26px}
  .panel{padding:20px}
}

/* ---------- 桌面增强 ---------- */
@media (min-width:1024px){
  body{padding-left:var(--rail-w)}
  .rail{display:flex}
  #main-content{padding-top:var(--header-space)}
  .site-header[data-scrolled] .nav-capsule{
    padding-top:5px;padding-bottom:5px;
    background:rgba(19,28,44,.94);border-color:rgba(30,42,61,.9);
  }
  .site-header[data-scrolled] .nav-capsule__name{display:none}
  .site-header[data-scrolled] .nav-capsule__list{display:none}
  .site-header[data-scrolled] .btn--line{display:none}
}
@media (min-width:1024px) and (max-width:1180px){
  .nav-capsule__list a{padding:8px 9px;font-size:14px}
}

/* ---------- 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 !important;transform:none !important;transition:none !important}
  .skip-link{transition:none}
}