/* finesse · register=brand · A=deep-space+spectrum · B=800/400+mono · C=rail+glass-slabs
 * D=canvas2d-glow · E=glass-orbs · SOUL=8 SPECTACLE=8 DENSITY=6 */

/* ==========================================================================
   SANMA-EA — 官网样式系统 · 深色科技风
   背景层（光斑 / 网格 / 噪点）由模板里的 .bg 提供，本文件只管样式。
   改配色时先改 :root 的令牌，再检查 .readout 与 .pit 两处局部覆写。
   ========================================================================== */

/* --- 自托管字体（仅 latin 子集，中文走系统字体栈） ----------------------- */
@font-face{font-family:'Archivo';font-style:normal;font-weight:300 900;font-display:swap;src:url('/assets/fonts/sanma/archivo-latin-ext.woff2') format('woff2');unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF;}
@font-face{font-family:'Archivo';font-style:normal;font-weight:300 900;font-display:swap;src:url('/assets/fonts/sanma/archivo-latin.woff2') format('woff2');unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;}
@font-face{font-family:'JetBrains Mono';font-style:normal;font-weight:400;font-display:swap;src:url('/assets/fonts/sanma/jetbrains-mono-latin-ext.woff2') format('woff2');unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF;}
@font-face{font-family:'JetBrains Mono';font-style:normal;font-weight:400;font-display:swap;src:url('/assets/fonts/sanma/jetbrains-mono-latin.woff2') format('woff2');unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;}
@font-face{font-family:'JetBrains Mono';font-style:normal;font-weight:500;font-display:swap;src:url('/assets/fonts/sanma/jetbrains-mono-latin-ext.woff2') format('woff2');unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF;}
@font-face{font-family:'JetBrains Mono';font-style:normal;font-weight:500;font-display:swap;src:url('/assets/fonts/sanma/jetbrains-mono-latin.woff2') format('woff2');unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;}

/* --- 设计令牌 ------------------------------------------------------------ */
:root{
  /* 表面 */
  --bg:        #05060B;   /* Void      页面底色 */
  --bg-2:      #0A0C14;   /* Void Deep 更深一层 */
  --glass:     rgba(255,255,255,.045);
  --glass-2:   rgba(255,255,255,.022);

  /* 线 */
  --line:      rgba(255,255,255,.09);
  --line-2:    rgba(255,255,255,.16);

  /* 文字。深色底上三档都守住 4.5:1，--faint 只给纯装饰 */
  --ink:       #F2F5FA;   /* 正文 */
  --muted:     #98A3B7;   /* 次级，6.8:1 */
  --dim:       #7B8798;   /* 三级 / 小号标签，4.9:1 */
  --faint:     #5D6879;   /* 仅分隔符，3.6:1 */

  /* 光谱：唯一的一组强调色，按钮与高光共用 */
  --violet:    #7C5CFF;
  --blue:      #3B82F6;
  --cyan:      #22D3EE;
  --pink:      #F472B6;
  --lime:      #A3E635;

  --grad:      linear-gradient(104deg,#A78BFA 6%,#60A5FA 46%,#22D3EE 88%);
  /* 按钮渐变必须比 --grad 暗一档：--grad 是给文字用的（亮色在深底上才够），
     而按钮上要放白字。原色停 #22D3EE 上的白字只有 1.7:1，压到 #0E7490 后是 5.1:1。 */
  --grad-btn:  linear-gradient(108deg,#6B4AEE,#2E5FD4 55%,#0E7490);

  /* Canvas 读数面板：由 JS 通过 getComputedStyle 读取，改名要同步改 js */
  --ro-grid:   rgba(255,255,255,.055);
  --ro-line:   rgba(255,255,255,.16);
  --trace:     #22D3EE;
  --trace-a:   #7C5CFF;
  --trace-b:   #A3E635;
  --ro-ink:    #F2F5FA;

  /* 度量 */
  --shell:     1300px;
  --nav-h:     70px;
  --ease:      cubic-bezier(.16,1,.3,1);
  --font-ui:   'Archivo',system-ui,-apple-system,'Segoe UI','PingFang SC',
               'HarmonyOS Sans SC','Source Han Sans SC','Noto Sans CJK SC',
               'Microsoft YaHei',sans-serif;
  --font-mono: 'JetBrains Mono',ui-monospace,'SF Mono',Consolas,'Liberation Mono',monospace;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:var(--font-ui);font-size:15px;line-height:1.7;
  -webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;
  overflow-x:clip;
}
body,.shell,.hero-grid,.sec-inner,.doc-body,.spec-item,.row-title{min-width:0}
img{max-width:100%;height:auto;display:block}
a{color:inherit}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:2px}
::selection{background:rgba(124,92,255,.42);color:#fff}
h1,h2,h3,h4,p,dl,dd,dt,figure,blockquote{margin:0}
ol,ul{margin:0;padding:0;list-style:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
code{
  font-family:var(--font-mono);font-size:.9em;color:#C9BCFF;
  background:rgba(124,92,255,.14);padding:1px 6px;border-radius:5px;
  overflow-wrap:anywhere;
}

.shell{max-width:var(--shell);margin:0 auto;padding:0 clamp(20px,4vw,52px);width:100%}

/* ============================================================ 背景层 */
.bg{position:fixed;inset:0;z-index:0;pointer-events:none;overflow:hidden}
.orb{position:absolute;border-radius:50%;filter:blur(110px);will-change:transform}
.orb-1{width:640px;height:640px;background:var(--violet);opacity:.40;top:-260px;left:-140px;animation:drift1 22s ease-in-out infinite}
.orb-2{width:560px;height:560px;background:var(--cyan);opacity:.26;top:-120px;right:-180px;animation:drift2 26s ease-in-out infinite}
.orb-3{width:480px;height:480px;background:var(--pink);opacity:.16;top:44vh;left:36%;animation:drift3 30s ease-in-out infinite}
.orb-4{width:460px;height:460px;background:var(--blue);opacity:.20;bottom:-180px;right:4%;animation:drift1 28s ease-in-out infinite reverse}
@keyframes drift1{0%,100%{transform:translate(0,0) scale(1)}50%{transform:translate(70px,50px) scale(1.12)}}
@keyframes drift2{0%,100%{transform:translate(0,0) scale(1)}50%{transform:translate(-60px,70px) scale(1.08)}}
@keyframes drift3{0%,100%{transform:translate(0,0) scale(1)}50%{transform:translate(50px,-60px) scale(1.15)}}
.bg-grid{
  position:absolute;inset:0;
  background-image:
    linear-gradient(rgba(255,255,255,.034) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.034) 1px,transparent 1px);
  background-size:58px 58px;
  -webkit-mask-image:radial-gradient(ellipse 94% 66% at 50% 0%,#000 18%,transparent 78%);
          mask-image:radial-gradient(ellipse 94% 66% at 50% 0%,#000 18%,transparent 78%);
}
.bg-noise{
  position:absolute;inset:0;opacity:.42;mix-blend-mode:overlay;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.35'/%3E%3C/svg%3E");
}
main,header,footer,.notice,.ruler{position:relative;z-index:1}

/* ============================================================ 跳转 / 阅读进度尺 */
.skip{
  position:absolute;left:-9999px;top:0;z-index:100;
  padding:12px 20px;background:var(--ink);color:var(--bg);
  font-weight:600;text-decoration:none;
}
.skip:focus{left:12px;top:12px}
.ruler{position:fixed;top:0;left:0;right:0;height:2px;z-index:60;pointer-events:none}
.ruler-track{position:absolute;inset:0;background:rgba(255,255,255,.05)}
.ruler-fill{
  position:absolute;inset:0;transform-origin:left;transform:scaleX(0);
  background:linear-gradient(90deg,var(--violet),var(--blue),var(--cyan));
  box-shadow:0 0 12px rgba(124,92,255,.8);
}

/* ============================================================ 公告条 */
.notice{
  border-bottom:1px solid var(--line);
  background:linear-gradient(90deg,rgba(124,92,255,.12),rgba(34,211,238,.07) 50%,transparent);
}
.notice .shell{
  display:flex;align-items:center;gap:14px;flex-wrap:wrap;
  padding-top:11px;padding-bottom:11px;
  font-size:13px;color:var(--muted);
}
.notice .dot{
  width:6px;height:6px;border-radius:50%;background:var(--lime);flex:none;
  box-shadow:0 0 10px var(--lime);animation:pulse 2.2s ease-in-out infinite;
}
.notice p{margin:0}
.notice a{
  margin-left:auto;font-family:var(--font-mono);font-size:12px;letter-spacing:.08em;
  color:var(--ink);text-decoration:none;border-bottom:1px solid var(--line-2);padding-bottom:1px;
}
.notice a:hover{color:var(--cyan);border-color:var(--cyan)}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.42;transform:scale(.82)}}

/* ============================================================ 导航 */
.nav{
  position:sticky;top:0;z-index:40;height:var(--nav-h);
  background:rgba(5,6,11,.62);
  backdrop-filter:blur(18px) saturate(1.6);-webkit-backdrop-filter:blur(18px) saturate(1.6);
  border-bottom:1px solid var(--line);
}
.nav .shell{display:flex;align-items:center;gap:clamp(14px,3vw,44px);height:100%}
.brand{
  display:flex;align-items:baseline;gap:9px;flex:none;
  font-size:20px;font-weight:800;letter-spacing:-.045em;text-decoration:none;color:var(--ink);
}
/* 渐变文字一律带 color 兜底：探针读的是 color，而且不支持 background-clip:text
   的浏览器要有颜色可显示。兜底值取渐变里最暗的那个色停。 */
.brand em{
  font-style:normal;color:#9B7BFF;
  background:linear-gradient(100deg,#9B7BFF,var(--cyan));
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
}
.brand sup{
  font-family:var(--font-mono);font-size:9.5px;font-weight:400;letter-spacing:.14em;
  color:var(--dim);
}
.nav-links{display:flex;gap:clamp(12px,2vw,30px);margin-left:auto;font-size:13.5px}
.nav-links a{
  position:relative;padding:6px 0;color:var(--muted);text-decoration:none;white-space:nowrap;
  transition:color .2s;
}
.nav-links a::after{
  content:'';position:absolute;left:0;right:0;bottom:0;height:1px;
  background:linear-gradient(90deg,var(--violet),var(--cyan));
  transform:scaleX(0);transform-origin:left;transition:transform .4s var(--ease);
}
.nav-links a:hover{color:var(--ink)}
.nav-links a:hover::after{transform:scaleX(1)}
.nav-cta{
  display:inline-flex;align-items:center;gap:8px;flex:none;
  height:38px;padding:0 18px;border-radius:10px;
  border:1px solid var(--line-2);background:var(--glass);
  color:var(--ink);text-decoration:none;font-size:13.5px;font-weight:500;
  transition:.3s var(--ease);
}
.nav-cta:hover{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.3);transform:translateY(-1px)}
.arw{font-family:var(--font-mono);font-size:.92em;transition:transform .3s var(--ease)}
a:hover>.arw{transform:translateX(3px)}

/* ============================================================ 首屏 */
.hero{padding:clamp(48px,6.5vw,92px) 0 clamp(40px,5vw,68px)}
.hero-grid{
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.02fr);
  gap:clamp(32px,5vw,68px);align-items:center;
}
.hero-status{
  display:inline-flex;align-items:center;gap:8px 18px;flex-wrap:wrap;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.13em;text-transform:uppercase;
  color:#C9BCFF;padding:7px 14px;border-radius:999px;margin-bottom:26px;
  border:1px solid rgba(124,92,255,.34);
  background:linear-gradient(100deg,rgba(124,92,255,.18),rgba(34,211,238,.11));
  box-shadow:0 0 26px -8px rgba(124,92,255,.7) inset;
}
.hero-status span{display:inline-flex;align-items:center;gap:7px}
.hero-status i{
  width:6px;height:6px;border-radius:50%;background:var(--lime);
  box-shadow:0 0 10px var(--lime);animation:pulse 2.2s ease-in-out infinite;
}
.display-xl{
  font-size:clamp(36px,5vw,66px);font-weight:800;line-height:1.06;
  letter-spacing:-.045em;margin-bottom:22px;overflow-wrap:anywhere;
}
.display-xl em,.display-l em{
  font-style:normal;color:#A78BFA;
  background:var(--grad);
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
}
.lead{
  font-size:16.5px;line-height:1.72;color:var(--muted);
  /* break-word 而不是 anywhere：anywhere 会把「2026-09-24」这类带连字符的
     日期在中间断开（渲染成 "2026-09-" / "24。"）。break-word 只在整词放不下
     时才断，既不会溢出，也不会把日期拆开。 */
  max-width:46ch;margin-bottom:32px;overflow-wrap:break-word;
}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;align-items:center}
/* 不可断行片段。连字符（UAX#14 HY 类）在浏览器里默认是合法断点，
   overflow-wrap 管不到，只能靠 nowrap 保住「2026-09-24」这类日期/编号。 */
.nb{white-space:nowrap}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  height:50px;padding:0 26px;border-radius:12px;
  font-size:15px;font-weight:600;text-decoration:none;border:1px solid transparent;
  transition:.34s var(--ease);
}
.btn-primary{
  color:#fff;background:var(--grad-btn);background-size:190% 100%;
  box-shadow:0 1px 0 rgba(255,255,255,.26) inset,0 16px 40px -14px rgba(124,92,255,.95);
}
.btn-primary:hover{
  background-position:100% 0;transform:translateY(-2px);
  box-shadow:0 1px 0 rgba(255,255,255,.3) inset,0 22px 54px -14px rgba(34,211,238,.85);
}
.btn-ghost,.btn-solid{
  color:var(--ink);border-color:var(--line-2);background:var(--glass);
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
}
.btn-ghost:hover,.btn-solid:hover{
  background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.32);transform:translateY(-2px);
}
.btn-onpit{
  color:#fff;background:var(--grad-btn);background-size:190% 100%;
  box-shadow:0 1px 0 rgba(255,255,255,.26) inset,0 18px 44px -14px rgba(124,92,255,.9);
}
.btn-onpit:hover{background-position:100% 0;transform:translateY(-2px)}
.btn.is-off{
  color:var(--dim);border-color:var(--line);background:var(--glass-2);cursor:not-allowed;
}
.link-quiet{
  display:inline-flex;align-items:center;gap:8px;
  font-size:15px;color:var(--ink);text-decoration:none;
  border-bottom:1px solid var(--line-2);padding-bottom:3px;transition:.25s;
}
.link-quiet:hover{color:var(--cyan);border-color:var(--cyan)}

/* ============================================================ 读数面板（Canvas） */
.stage{position:relative;perspective:1500px}

/* 浮动数据卡：落在面板对角外侧。z-index 要显式给，因为 .readout 的 transform
 * 会新建层叠上下文，把 DOM 顺序靠前的绝对定位元素压下去。 */
.chip{
  position:absolute;z-index:5;display:flex;align-items:center;gap:9px;
  padding:10px 14px;border-radius:12px;
  background:rgba(16,18,28,.88);border:1px solid var(--line-2);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  font-family:var(--font-mono);font-size:11px;letter-spacing:.06em;color:var(--muted);
  box-shadow:0 20px 44px -20px rgba(0,0,0,.95);
  animation:float 5.5s ease-in-out infinite;
}
.chip b{color:#fff;font-weight:600;font-size:12.5px}
.chip i{
  width:6px;height:6px;border-radius:50%;flex:none;font-style:normal;
  background:var(--cyan);box-shadow:0 0 10px var(--cyan);
}
.chip-2 i{background:var(--lime);box-shadow:0 0 10px var(--lime)}
.chip-1{top:-18px;left:-26px;animation-delay:.2s}
.chip-2{bottom:-16px;right:-16px;animation-delay:1.4s}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-11px)}}

.readout{
  position:relative;margin:0;border-radius:20px;overflow:hidden;
  background:linear-gradient(160deg,rgba(22,24,38,.94),rgba(9,11,18,.97));
  border:1px solid var(--line-2);
  transform:rotateY(-11deg) rotateX(6deg) rotateZ(1deg);
  transform-style:preserve-3d;
  box-shadow:
    0 0 0 1px rgba(124,92,255,.22),
    0 50px 110px -42px rgba(124,92,255,.9),
    0 30px 70px -40px #000;
  transition:transform 1s var(--ease);
}
.stage:hover .readout{transform:rotateY(-5deg) rotateX(2.5deg) rotateZ(.4deg)}
.readout::before{
  content:'';position:absolute;top:0;left:0;right:0;height:1px;z-index:2;
  background:linear-gradient(90deg,transparent,rgba(167,139,250,.9),rgba(34,211,238,.9),transparent);
}
.readout-head{
  display:flex;align-items:center;gap:12px;
  padding:13px 18px;border-bottom:1px solid var(--line);
  font-family:var(--font-mono);font-size:11px;letter-spacing:.1em;
  text-transform:uppercase;color:var(--muted);
}
.readout-probe{min-height:1em;color:var(--cyan)}
.readout-head .live{margin-left:auto;display:flex;align-items:center;gap:7px;color:var(--lime)}
.readout-head .live i{
  width:6px;height:6px;border-radius:50%;background:var(--lime);
  box-shadow:0 0 10px var(--lime);animation:pulse 2.2s ease-in-out infinite;
}
/* 左侧留出刻度槽：Canvas 从 padding 之后开始画，网格线不会压到刻度数字上。
   刻度槽宽度 = stage 左 padding，两处必须一起改。 */
.readout-stage{position:relative;padding:16px 16px 10px 62px}
.readout-stage canvas{display:block;width:100%;height:auto;touch-action:pan-y}
.readout-scale{
  position:absolute;top:22px;left:16px;
  display:flex;flex-direction:column;gap:clamp(18px,3.4vw,42px);
  font-family:var(--font-mono);font-size:9.5px;letter-spacing:.06em;color:var(--faint);
  pointer-events:none;text-align:right;
}
.readout-schematic{
  position:absolute;right:22px;bottom:16px;
  padding:4px 9px;border-radius:999px;
  background:rgba(9,11,18,.82);border:1px solid var(--line);
  font-family:var(--font-mono);font-size:10px;letter-spacing:.1em;color:var(--dim);
  pointer-events:none;
}
.readout-foot{
  display:flex;flex-wrap:wrap;gap:8px 20px;
  padding:14px 18px 17px;border-top:1px solid var(--line);
  font-family:var(--font-mono);font-size:11px;letter-spacing:.05em;color:var(--dim);
}
.readout-foot b{color:var(--muted);font-weight:400}
.readout-foot span{display:inline-flex;align-items:center;gap:7px}

/* ============================================================ 指标带 */
.spec{
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  margin-top:clamp(16px,2.6vw,34px);
}
.spec-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
.spec-item{
  padding:28px clamp(14px,2vw,26px) 28px 0;
  border-right:1px solid var(--line);min-width:0;
}
.spec-item:last-child{border-right:0;padding-right:0}
.spec-item:nth-child(n+2){padding-left:clamp(14px,2vw,26px)}
.spec-item dt{
  font-family:var(--font-mono);font-size:10.5px;letter-spacing:.15em;
  text-transform:uppercase;color:var(--dim);margin-bottom:12px;
}
.spec-item dd{
  font-size:clamp(20px,2.3vw,27px);font-weight:800;letter-spacing:-.035em;
  line-height:1.15;margin-bottom:6px;color:#A78BFA;
  background:var(--grad);
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
  overflow-wrap:anywhere;
}
.spec-item dd small{
  font-size:.46em;font-weight:600;letter-spacing:0;margin-left:3px;
  -webkit-text-fill-color:var(--muted);
}
.spec-item p{font-size:12.5px;line-height:1.55;color:var(--dim)}

/* ============================================================ 区块骨架 */
.sec{padding:clamp(58px,7.5vw,104px) 0}
.sec-inner{display:grid;grid-template-columns:clamp(96px,13vw,168px) minmax(0,1fr);gap:clamp(20px,3.4vw,54px)}
.sec-rail{
  font-family:var(--font-mono);font-size:10.5px;letter-spacing:.15em;
  text-transform:uppercase;color:var(--dim);padding-top:8px;
}
.sec-rail b{display:block;font-weight:600;color:#C9BCFF;margin-bottom:7px}
.sec-body{min-width:0}
.sec-head{margin-bottom:clamp(30px,4vw,50px)}
.display-l{
  font-size:clamp(25px,3.3vw,42px);font-weight:800;line-height:1.16;
  letter-spacing:-.04em;max-width:24ch;overflow-wrap:anywhere;
}
.sec-head .lead{margin-top:16px;margin-bottom:0;font-size:16px}

/* ============================================================ 授权链路 */
.flow{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.flow li{
  position:relative;padding:clamp(22px,2.6vw,30px);border-radius:18px;overflow:hidden;
  background:linear-gradient(165deg,rgba(255,255,255,.055),rgba(255,255,255,.016));
  border:1px solid var(--line);transition:.42s var(--ease);
}
.flow li::after{
  content:'';position:absolute;inset:0;opacity:0;transition:opacity .42s;
  background:radial-gradient(420px 200px at 50% 0%,rgba(124,92,255,.26),transparent 70%);
}
.flow li:hover{transform:translateY(-5px);border-color:rgba(124,92,255,.42)}
.flow li:hover::after{opacity:1}
.flow-idx{
  position:relative;display:block;margin-bottom:16px;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.12em;color:#C9BCFF;
}
.flow h3{position:relative;font-size:18px;font-weight:700;letter-spacing:-.025em;margin-bottom:10px}
.flow p{position:relative;font-size:14px;line-height:1.72;color:var(--muted)}

/* ============================================================ 行清单 */
.rows{border-top:1px solid var(--line)}
.row{
  display:flex;align-items:baseline;gap:clamp(16px,2.6vw,34px);
  padding:22px 0;border-bottom:1px solid var(--line);
  transition:padding-left .4s var(--ease);
}
.row:hover{padding-left:10px}
.row-idx{
  font-family:var(--font-mono);font-size:11.5px;letter-spacing:.1em;color:#C9BCFF;
  flex:none;min-width:2.6em;
}
.row-title{font-size:17px;font-weight:600;letter-spacing:-.02em;overflow-wrap:anywhere}

/* 陈述式（能力条目少于 3 条时用） */
.statement{border-top:1px solid var(--line);padding-top:clamp(22px,3vw,34px)}
.statement-line{
  font-size:clamp(19px,2.3vw,27px);font-weight:600;letter-spacing:-.03em;
  line-height:1.45;padding:14px 0;border-bottom:1px solid var(--line);
  overflow-wrap:anywhere;
}
.statement-line:last-of-type{border-bottom:0}
.statement-note{
  margin-top:20px;font-size:14px;color:var(--dim);max-width:62ch;
}

/* ============================================================ 授权周期 */
.plans{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.plan{
  position:relative;padding:clamp(24px,3vw,34px) clamp(20px,2.4vw,28px);
  border-radius:18px;overflow:hidden;
  background:linear-gradient(165deg,rgba(255,255,255,.05),rgba(255,255,255,.015));
  border:1px solid var(--line);transition:.42s var(--ease);
}
.plan:hover{transform:translateY(-5px);border-color:rgba(255,255,255,.22)}
.plan.is-recommended{
  border-color:rgba(124,92,255,.5);
  background:linear-gradient(165deg,rgba(124,92,255,.16),rgba(34,211,238,.05));
  box-shadow:0 0 0 1px rgba(124,92,255,.28),0 34px 80px -40px rgba(124,92,255,.95);
}
.plan-flag{
  position:absolute;top:0;left:0;right:0;height:2px;
  background:linear-gradient(90deg,transparent,rgba(124,92,255,.9),rgba(34,211,238,.9),transparent);
  opacity:0;transition:opacity .4s;
}
.plan.is-recommended .plan-flag{opacity:1}
.plan-name{
  font-family:var(--font-mono);font-size:11px;letter-spacing:.13em;
  text-transform:uppercase;color:var(--dim);margin-bottom:16px;
}
.plan.is-recommended .plan-name{color:#C9BCFF}
.plan-days{
  font-size:clamp(34px,4.4vw,52px);font-weight:800;letter-spacing:-.05em;
  line-height:1;margin-bottom:12px;
}
.plan.is-recommended .plan-days{
  color:#A78BFA;
  background:var(--grad);
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
}
.plan-days small{font-size:.32em;font-weight:600;letter-spacing:0;margin-left:5px;-webkit-text-fill-color:var(--muted)}
.plan-note{font-size:13.5px;color:var(--muted)}
.plan-foot{
  display:flex;flex-wrap:wrap;gap:18px 26px;align-items:center;
  margin-top:clamp(24px,3vw,36px);padding-top:24px;border-top:1px solid var(--line);
}
.plan-foot p{flex:1 1 340px;font-size:13.5px;line-height:1.72;color:var(--dim);min-width:0}
.plan-foot b{color:var(--muted);font-weight:600}

/* ============================================================ 上手步骤 */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.step{
  padding:clamp(22px,2.6vw,30px);border-radius:18px;
  background:var(--glass-2);border:1px solid var(--line);
  transition:.42s var(--ease);
}
.step:hover{transform:translateY(-4px);border-color:rgba(34,211,238,.34)}
.step-n{
  font-family:var(--font-mono);font-size:11px;letter-spacing:.13em;
  color:var(--cyan);margin-bottom:16px;
}
.step h3{font-size:17px;font-weight:700;letter-spacing:-.025em;margin-bottom:10px}
.step p{font-size:14px;line-height:1.72;color:var(--muted)}

/* ============================================================ 下载带 */
.pit{
  position:relative;margin:clamp(20px,3vw,40px) 0;overflow:hidden;
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  background:
    radial-gradient(760px 340px at 82% 0%,rgba(124,92,255,.30),transparent 66%),
    radial-gradient(620px 300px at 12% 100%,rgba(34,211,238,.16),transparent 66%),
    linear-gradient(180deg,rgba(255,255,255,.035),rgba(255,255,255,.01));
}
.pit-inner{
  display:grid;grid-template-columns:minmax(0,1.5fr) minmax(0,1fr);
  gap:clamp(26px,4vw,60px);align-items:center;
  padding:clamp(44px,6vw,80px) 0;
}
.pit .label{
  font-family:var(--font-mono);font-size:10.5px;letter-spacing:.16em;
  text-transform:uppercase;color:#C9BCFF;margin-bottom:16px;
}
.pit .display-l{max-width:20ch;margin-bottom:14px}
.pit-inner>div>p:not(.label){font-size:15.5px;color:var(--muted);max-width:56ch}
.pit-meta{
  display:grid;grid-template-columns:repeat(2,1fr);gap:0;
  margin-top:28px;border-top:1px solid var(--line);
}
.pit-meta>div{padding:16px 20px 16px 0;border-bottom:1px solid var(--line)}
.pit-meta>div:nth-child(2n){padding-left:20px;border-left:1px solid var(--line)}
.pit-meta dt{
  font-family:var(--font-mono);font-size:10px;letter-spacing:.14em;
  text-transform:uppercase;color:var(--dim);margin-bottom:7px;
}
.pit-meta dd{
  font-family:var(--font-mono);font-size:13px;color:var(--ink);
  overflow-wrap:anywhere;word-break:break-all;
}
.pit-actions{display:flex;flex-direction:column;gap:12px;align-items:stretch}
.pit-actions .btn{width:100%}

/* ============================================================ 帮助中心 */
.help-rows{border-top:1px solid var(--line)}
.help-row{
  display:flex;align-items:center;gap:20px;
  padding:22px 0;border-bottom:1px solid var(--line);
  text-decoration:none;transition:padding-left .4s var(--ease);
}
.help-row:hover{padding-left:10px}
.help-row>span:first-child{min-width:0;flex:1}
.help-row h3{font-size:17px;font-weight:600;letter-spacing:-.02em;margin-bottom:5px}
.help-row p{font-family:var(--font-mono);font-size:11px;letter-spacing:.07em;color:var(--dim)}
.help-row .arw{color:var(--cyan);flex:none}
.help-row:hover h3{color:var(--cyan)}

/* ============================================================ FAQ */
.faq{border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{
  display:flex;align-items:center;gap:18px;cursor:pointer;
  padding:20px 0;font-size:16.5px;font-weight:600;letter-spacing:-.02em;
  list-style:none;transition:color .22s;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary:hover{color:var(--cyan)}
.faq summary i{
  margin-left:auto;flex:none;font-style:normal;
  font-family:var(--font-mono);font-size:17px;font-weight:400;color:var(--dim);
  transition:transform .4s var(--ease),color .22s;
}
.faq details[open] summary i{transform:rotate(45deg);color:var(--cyan)}
.faq-a{
  padding:0 0 22px;max-width:74ch;
  font-size:14.5px;line-height:1.8;color:var(--muted);
}

/* ============================================================ 收尾 */
.final{padding:clamp(64px,8.5vw,116px) 0 clamp(56px,7vw,96px);text-align:center}
.final .display-xl{max-width:none;margin-bottom:20px}
.final .lead{margin:0 auto 34px;max-width:56ch}
.final-actions{display:flex;gap:14px;flex-wrap:wrap;justify-content:center}
.ch{display:inline-block;opacity:0;transform:translateY(14px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
.ch.in{opacity:1;transform:none}

/* ============================================================ 页脚 */
.foot{border-top:1px solid var(--line);padding:clamp(44px,5.5vw,68px) 0 30px}
.foot-grid{display:grid;grid-template-columns:minmax(0,1.7fr) repeat(3,minmax(0,1fr));gap:clamp(24px,4vw,52px)}
.foot-brand .brand{font-size:19px;margin-bottom:14px;display:flex}
.foot-brand p{font-size:13.5px;line-height:1.75;color:var(--dim);max-width:42ch}
.foot-col h4{
  font-family:var(--font-mono);font-size:10.5px;font-weight:500;
  letter-spacing:.15em;text-transform:uppercase;color:var(--dim);margin-bottom:16px;
}
.foot-col li{margin-bottom:10px}
.foot-col a,.foot-col span{font-size:13.5px;color:var(--muted);text-decoration:none;overflow-wrap:anywhere}
.foot-col a:hover{color:var(--cyan)}
.foot-bar{
  display:flex;flex-wrap:wrap;gap:10px 24px;align-items:center;
  margin-top:clamp(32px,4vw,52px);padding-top:22px;border-top:1px solid var(--line);
  font-family:var(--font-mono);font-size:11px;letter-spacing:.06em;color:var(--dim);
}
.foot-bar a{color:var(--dim);text-decoration:none}
.foot-bar a:hover{color:var(--cyan)}
.foot-bar p{margin-left:auto}

/* ============================================================ 文档页 */
.doc-head{padding:clamp(38px,5vw,68px) 0 clamp(26px,3.4vw,42px)}
.crumbs{
  display:flex;align-items:center;gap:10px;flex-wrap:wrap;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.1em;color:var(--dim);
  margin-bottom:22px;
}
.crumbs a{color:var(--dim);text-decoration:none}
.crumbs a:hover{color:var(--cyan)}
.crumbs i{font-style:normal;color:var(--faint)}
.doc-head .display-l{max-width:26ch;margin-bottom:16px}
.doc-body{
  display:grid;grid-template-columns:clamp(150px,17vw,210px) minmax(0,1fr);
  gap:clamp(24px,4vw,58px);padding-bottom:clamp(48px,6vw,86px);
}
.doc-nav{position:sticky;top:calc(var(--nav-h) + 24px);align-self:start}
.doc-nav h4{
  font-family:var(--font-mono);font-size:10.5px;font-weight:500;
  letter-spacing:.15em;text-transform:uppercase;color:var(--dim);margin-bottom:16px;
}
.doc-nav li{margin-bottom:4px}
.doc-nav a{
  display:block;padding:8px 12px;border-radius:9px;
  font-size:13.5px;color:var(--muted);text-decoration:none;
  border-left:1px solid var(--line);transition:.28s var(--ease);
}
.doc-nav a:hover{color:var(--ink);background:var(--glass);border-left-color:var(--line-2)}
.doc-nav a.active{
  color:#fff;border-left-color:var(--cyan);
  background:linear-gradient(90deg,rgba(124,92,255,.24),transparent);
}
.doc-main{min-width:0}
.doc-main>p{font-size:15px;line-height:1.8;color:var(--muted);margin-bottom:18px;max-width:74ch}
.doc-step{
  position:relative;padding:17px 0 17px 54px;border-bottom:1px solid var(--line);
  font-size:15.5px;line-height:1.85;color:var(--muted);
}
.doc-step:first-child{border-top:1px solid var(--line)}
.doc-step b{
  position:absolute;left:0;top:18px;
  font-family:var(--font-mono);font-size:12px;font-weight:500;
  letter-spacing:.08em;color:#C9BCFF;
}
.doc-qa{padding:20px 0;border-bottom:1px solid var(--line)}
.doc-qa:first-child{border-top:1px solid var(--line)}
.doc-qa dt{font-size:16.5px;font-weight:600;letter-spacing:-.02em;margin-bottom:10px;color:var(--ink)}
.doc-qa dd{font-size:15px;line-height:1.8;color:var(--muted);max-width:74ch}
.doc-aside{
  margin-top:34px;padding:22px 24px;border-radius:16px;
  background:linear-gradient(140deg,rgba(124,92,255,.16),rgba(34,211,238,.06));
  border:1px solid rgba(124,92,255,.3);
  font-size:14px;line-height:1.78;color:var(--muted);
}
.doc-aside b{display:block;color:var(--ink);font-weight:600;margin-bottom:8px}

/* ============================================================ 入场动效 */
.js .rise{opacity:0;transform:translateY(22px)}
.rise.in{opacity:1;transform:none;transition:opacity .8s var(--ease),transform .8s var(--ease)}

/* ============================================================ 响应式 */
@media (max-width:1080px){
  .hero-grid{grid-template-columns:1fr;gap:52px}
  .stage{perspective:none}
  .readout{transform:none}
  .stage:hover .readout{transform:none}
  .chip-1{left:0}
  .chip-2{right:0}
  .sec-inner{grid-template-columns:1fr;gap:16px}
  .sec-rail{padding-top:0;margin-bottom:4px}
  .sec-rail b{display:inline;margin-right:10px}
  .spec-grid{grid-template-columns:repeat(2,1fr)}
  .spec-item{border-right:0;border-bottom:1px solid var(--line);padding:24px 0}
  .spec-item:nth-child(odd){border-right:1px solid var(--line);padding-right:clamp(14px,2vw,26px)}
  .spec-item:nth-child(n+3){border-bottom:0}
  .spec-item:nth-child(n+2){padding-left:0}
  .spec-item:nth-child(even){padding-left:clamp(14px,2vw,26px)}
  .flow,.plans,.steps{grid-template-columns:1fr}
  .pit-inner{grid-template-columns:1fr;gap:34px}
  .pit-meta{grid-template-columns:1fr}
  .pit-meta>div:nth-child(2n){padding-left:0;border-left:0}
  .foot-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .doc-body{grid-template-columns:1fr}
  .doc-nav{position:static}
  .doc-nav ul{display:flex;flex-wrap:wrap;gap:6px}
  .doc-nav li{margin:0}
  .doc-nav a{border-left:0;border:1px solid var(--line)}
}
@media (max-width:640px){
  .nav-links{display:none}
  .nav-cta{margin-left:auto}
  .notice a{margin-left:0}
  .spec-grid{grid-template-columns:1fr}
  .spec-item{border-right:0!important;padding:22px 0!important}
  .spec-item:last-child{border-bottom:0}
  .foot-grid{grid-template-columns:1fr}
  .foot-bar p{margin-left:0}
  .readout-scale{gap:22px;font-size:9px}
  .row{flex-direction:column;gap:6px}
  .final-actions .btn{width:100%}
  /* 窄屏上两张浮动卡会直接压住面板底部的 VWAP / BREAK / LOCK 一行。
     改成面板下方的整行卡片：信息不丢，遮挡没有。 */
  .stage{display:flex;flex-direction:column;gap:12px}
  .readout{order:-1}
  .chip{position:static;animation:none;width:auto;justify-content:flex-start}
  .chip-1,.chip-2{top:auto;right:auto;bottom:auto;left:auto}
}

/* ============================================================ 减少动效 */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important}
  .orb{animation:none!important}
  .chip{animation:none!important}
  .js .rise{opacity:1;transform:none}
  .ch{opacity:1;transform:none}
}