/* ==========================================================================
   云骆宝官网 · site.css
   色板严格取自《云骆宝-官网规划文档》6.1
   主色 #585FFF · 辅色 #3878FF · 暖橘 #FF8A3A · 青绿 #00B578 · 警示 #FA5151
   中性 #12172A / #3D465C / #8A90A6 · 底色 #FAFAFD
   视觉手法：光晕 + 网格 + 颗粒（背景图承担），动效只动 transform / opacity
   ========================================================================== */

/* ---------- tokens ---------- */
:root{
  --violet:#585FFF;
  --violet-600:#4A50F0;
  --violet-050:#F4F4FF;
  --violet-100:#E9E9FF;
  --blue:#3878FF;
  --blue-050:#F0F5FF;
  --warm:#FF8A3A;
  --green:#00B578;
  --red:#FA5151;
  --ink:#12172A;
  --ink2:#3D465C;
  --ink3:#8A90A6;
  --fill:#FAFAFD;
  --surface:#FFFFFF;
  --line:rgba(18,23,42,.08);
  --line-2:rgba(18,23,42,.14);

  --sh1:0 1px 2px rgba(18,23,42,.04), 0 2px 8px rgba(18,23,42,.05);
  --sh2:0 10px 30px rgba(18,23,42,.08);
  --sh3:0 24px 60px rgba(18,23,42,.14);
  --sh-v:0 14px 34px rgba(88,95,255,.30);

  --ease:cubic-bezier(.16,1,.3,1);
  --ease-2:cubic-bezier(.22,.61,.36,1);
  --wrap:1240px;
  --r-s:10px; --r-m:16px; --r-l:24px; --r-xl:32px;

  --font:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Noto Sans CJK SC","Microsoft YaHei",system-ui,sans-serif;
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;

  /* 组件用色（会被 .theme-dark 覆盖，从而实现明暗交替） */
  --card:#FFFFFF;
  --card-2:#FBFCFF;
  --card-hover:#FFFFFF;
  --card-glass:rgba(255,255,255,.72);
  --surface:#FFFFFF;
  --chip-bg:rgba(255,255,255,.7);
  --on-accent:#FFFFFF;
}

/* ==========================================================================
   暗色主题作用域：给任意区块加 .theme-dark 即可整套换色
   图层顺序：底色+两处柔光（自带背景） → ::before 极细网格 → ::after 鼠标随动光晕 → 内容
   —— 所以随动光晕永远盖在网格之上，网格只做底纹；两者都被柔和遮罩，不留硬边
   ========================================================================== */
.theme-dark{
  --ink:#F1F4FF;
  --ink2:#B7C0DC;
  --ink3:#8891B0;
  --card:rgba(255,255,255,.045);
  --card-2:rgba(255,255,255,.02);
  --card-hover:rgba(255,255,255,.08);
  --card-glass:rgba(255,255,255,.06);
  --surface:rgba(255,255,255,.045);
  --chip-bg:rgba(255,255,255,.07);
  --fill:rgba(255,255,255,.05);
  --line:rgba(143,168,255,.16);
  --line-2:rgba(143,168,255,.3);
  --violet:#8FA8FF;
  --violet-050:rgba(88,95,255,.18);
  --violet-100:rgba(88,95,255,.26);
  --blue-050:rgba(56,120,255,.16);
  --sh1:0 1px 2px rgba(0,0,0,.3);
  --sh2:0 18px 44px rgba(0,0,0,.38);
  --sh3:0 26px 64px rgba(0,0,0,.46);
  --sh-v:0 14px 34px rgba(88,95,255,.42);
  /* 鼠标随动光晕的坐标（默认放到画外 → 看不见）与开关 */
  --mx:-30%; --my:-30%; --glow:0;
  position:relative;color:var(--ink);
  background:
    radial-gradient(780px 440px at 5% -14%, rgba(88,95,255,.32), transparent 62%),
    radial-gradient(660px 400px at 99% 4%, rgba(56,120,255,.24), transparent 62%),
    #0D1120;
}
/* 极细网格：32px，柔和遮罩，整体压得很轻，只做“质感”不做图案 */
.theme-dark::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:
    linear-gradient(rgba(143,168,255,.042) 1px, transparent 1px),
    linear-gradient(90deg, rgba(143,168,255,.042) 1px, transparent 1px);
  background-size:32px 32px;
  -webkit-mask-image:radial-gradient(120% 88% at 50% 22%, #000 12%, transparent 78%);
  mask-image:radial-gradient(120% 88% at 50% 22%, #000 12%, transparent 78%);
}
/* 鼠标随动光晕：所有暗色区块统一一套，无需额外 DOM */
.theme-dark::after{
  content:"";position:absolute;inset:0;pointer-events:none;z-index:0;
  background:radial-gradient(560px 560px at var(--mx) var(--my),
    rgba(150,175,255,.26) 0%, rgba(120,150,255,.14) 38%, transparent 68%);
  opacity:var(--glow);
  transition:opacity .55s var(--ease);
}
.theme-dark > *{position:relative;z-index:1}

/* 暗色下需要单独校准的几个点 */
.theme-dark .dot--g{background:rgba(0,181,120,.2);color:#57DBA3}
.theme-dark .dot--y{background:rgba(255,138,58,.22);color:#FFB27C}
.theme-dark .dot--n{background:rgba(255,255,255,.09);color:var(--ink3)}
.theme-dark .ac:hover::before{background:radial-gradient(240px 200px at var(--cx,50%) var(--cy,0%), rgba(143,168,255,.18), transparent 70%)}
.theme-dark .panel::after{background:radial-gradient(circle,rgba(143,168,255,.2),transparent 70%)}
.theme-dark .tool:hover .tool__ico,
.theme-dark .ac:hover .ac__ico,
.theme-dark .ac.is-on .ac__ico{background:linear-gradient(135deg,var(--violet),var(--blue));color:#fff}
.theme-dark .lane__nodes b.is-on{background:var(--card-hover);color:var(--ink)}
.theme-dark .stats b{background:linear-gradient(120deg,#A9BAFF,#7FB0FF);-webkit-background-clip:text;background-clip:text}
.theme-dark .arch{background:rgba(255,255,255,.05)}
.theme-dark .sec__title,.theme-dark .sec__lead{color:var(--ink)}
.theme-dark .sec__lead b{color:#fff}

/* ---------- reset ---------- */
*{box-sizing:border-box}
html{scroll-behavior:smooth}
html,body{margin:0}
body{
  font-family:var(--font);
  color:var(--ink);
  background:var(--fill);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
body.is-locked{overflow:hidden}
h1,h2,h3,p,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
img,svg{display:block;max-width:100%}
svg{fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.sprite{position:absolute;width:0;height:0;overflow:hidden}
::selection{background:var(--violet);color:#fff}

/* ---------- 通用 ---------- */
.wrap{width:min(100% - 48px,var(--wrap));margin-inline:auto}
.dim{color:var(--ink3);font-size:.85em}

.kicker{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:600;letter-spacing:.14em;
  color:var(--violet);text-transform:uppercase;
}
.kicker--dark{color:#8FA8FF}

.sec{padding:clamp(64px,8vw,132px) 0;position:relative}
.sec--alt{background:
  radial-gradient(900px 460px at 12% -10%, #F1F1FF 0%, rgba(241,241,255,0) 62%),
  radial-gradient(760px 420px at 96% 6%, #EFF6FF 0%, rgba(239,246,255,0) 60%),
  var(--fill);}
.sec__head{max-width:760px;margin-bottom:clamp(28px,3.4vw,52px)}
.sec__head--split{display:flex;gap:40px;align-items:flex-end;justify-content:space-between;max-width:none;flex-wrap:wrap}
.sec__head--split>div:first-child{max-width:660px}
.sec__title{
  font-size:clamp(28px,3.5vw,46px);line-height:1.22;font-weight:700;letter-spacing:-.02em;
  margin:14px 0 14px;
}
.sec__title--dark{color:#fff}
.sec__lead{font-size:clamp(14px,1.15vw,16.5px);line-height:1.85;color:var(--ink2)}
.sec__lead b{color:inherit;font-weight:600}
.sec__lead--dark{color:#A9B2CE}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;gap:8px;
  border-radius:12px;font-weight:600;font-size:14px;line-height:1;
  padding:12px 20px;position:relative;isolation:isolate;
  transition:transform .5s var(--ease), box-shadow .5s var(--ease), background .3s, color .3s, border-color .3s;
  will-change:transform;
}
.btn svg{width:16px;height:16px;stroke-width:1.9;transition:transform .5s var(--ease)}
.btn:hover svg{transform:translateX(3px)}
.btn--sm{padding:9px 16px;font-size:13px;border-radius:10px}
.btn--lg{padding:16px 28px;font-size:15px;border-radius:14px}
.btn--primary{background:linear-gradient(135deg,var(--violet),var(--blue));color:#fff;box-shadow:var(--sh-v)}
.btn--primary:hover{box-shadow:0 20px 46px rgba(88,95,255,.42)}
.btn--primary::after{
  content:"";position:absolute;inset:0;border-radius:inherit;z-index:-1;
  background:linear-gradient(135deg,var(--blue),var(--violet));opacity:0;transition:opacity .5s var(--ease);
}
.btn--primary:hover::after{opacity:1}
.btn--ghost{background:var(--card-glass);color:var(--ink);border:1px solid var(--line-2);backdrop-filter:blur(10px)}
.btn--ghost:hover{background:var(--card-hover);border-color:rgba(88,95,255,.35);color:var(--violet)}
.btn--link{color:var(--violet);padding:16px 6px}
.btn--link:hover{gap:12px}

/* ---------- 滚动进度 ---------- */
.progress{position:fixed;top:0;left:0;right:0;height:2px;z-index:60;pointer-events:none}
.progress i{
  display:block;height:100%;width:0;
  background:linear-gradient(90deg,var(--violet),var(--blue),var(--warm));
  box-shadow:0 0 12px rgba(88,95,255,.6);
}

/* ---------- 导航 ---------- */
.nav{position:fixed;top:0;left:0;right:0;z-index:50;transition:background .45s var(--ease), box-shadow .45s var(--ease), backdrop-filter .45s}
.nav__inner{
  width:min(100% - 48px,1280px);margin-inline:auto;
  height:72px;display:flex;align-items:center;gap:26px;
}
.nav.is-solid{background:rgba(255,255,255,.82);backdrop-filter:blur(18px) saturate(1.4);box-shadow:0 1px 0 var(--line),0 10px 30px rgba(18,23,42,.05)}
.brand{display:flex;align-items:center;gap:10px;flex:none}
.brand__mark{
  width:34px;height:34px;border-radius:11px;display:grid;place-items:center;color:#fff;
  background:linear-gradient(135deg,var(--violet),var(--blue));
  box-shadow:0 8px 20px rgba(88,95,255,.34);
}
.brand__mark svg{width:19px;height:19px;stroke-width:1.8}
.brand__name{font-weight:700;font-size:17px;letter-spacing:.01em}
.brand__sub{font-size:11px;color:var(--ink3);border-left:1px solid var(--line-2);padding-left:10px;margin-left:2px;line-height:1.1}

.menu{display:flex;align-items:center;gap:4px;margin-left:auto}
.menu__item{position:relative}
.menu__btn{display:flex;align-items:center;gap:5px;font-size:14px;font-weight:500;color:var(--ink2);padding:10px 12px;border-radius:10px;transition:color .3s,background .3s}
.menu__btn:hover{color:var(--violet);background:var(--violet-050)}
.menu__btn .chev{width:13px;height:13px;stroke-width:2;transition:transform .35s var(--ease);opacity:.6}
.menu__item.is-open .menu__btn{color:var(--violet);background:var(--violet-050)}
.menu__item.is-open .chev{transform:rotate(180deg)}
.menu__panel{
  position:absolute;top:calc(100% + 10px);left:50%;translate:-50% 0;
  width:320px;padding:10px;border-radius:var(--r-m);
  background:rgba(255,255,255,.94);backdrop-filter:blur(20px);
  border:1px solid var(--line);box-shadow:var(--sh3);
  opacity:0;visibility:hidden;
  transform:translateY(-8px) scale(.98);transform-origin:50% 0;
  transition:opacity .35s var(--ease), transform .45s var(--ease), visibility .35s;
}
.menu__item.is-open .menu__panel{opacity:1;visibility:visible;transform:none}
.menu__panel a{display:block;padding:10px 12px;border-radius:10px;transition:background .3s}
.menu__panel a:hover{background:var(--violet-050)}
.menu__panel b{display:block;font-size:13.5px;font-weight:600}
.menu__panel span{display:block;font-size:12px;color:var(--ink3);margin-top:3px}
.menu__link{font-size:14px;font-weight:500;color:var(--ink2);padding:10px 12px;border-radius:10px;transition:color .3s,background .3s}
.menu__link:hover{color:var(--violet);background:var(--violet-050)}
.nav__cta{display:flex;align-items:center;gap:8px;flex:none}

/* 移动端汉堡 + 抽屉 */
.burger{display:none;width:40px;height:40px;border-radius:11px;background:rgba(255,255,255,.7);
  border:1px solid var(--line-2);flex-direction:column;align-items:center;justify-content:center;gap:5px;
  transition:background .3s,border-color .3s}
.burger i{display:block;width:16px;height:1.6px;border-radius:2px;background:var(--ink);transition:transform .45s var(--ease),opacity .3s}
.burger.is-on i:first-child{transform:translateY(3.3px) rotate(45deg)}
.burger.is-on i:last-child{transform:translateY(-3.3px) rotate(-45deg)}
.drawer{
  position:fixed;left:0;right:0;top:72px;bottom:0;z-index:49;
  padding:18px 24px 40px;overflow-y:auto;
  background:rgba(255,255,255,.96);backdrop-filter:blur(22px) saturate(1.3);
  opacity:0;visibility:hidden;transform:translateY(-10px);
  transition:opacity .4s var(--ease), transform .5s var(--ease), visibility .4s;
}
.drawer.is-open{opacity:1;visibility:visible;transform:none}
.drawer a{display:block;padding:15px 4px;border-bottom:1px solid var(--line)}
.drawer b{display:block;font-size:15.5px;font-weight:600}
.drawer span{display:block;font-size:12px;color:var(--ink3);margin-top:4px}
.drawer__cta{margin-top:22px;border:0 !important;text-align:center;color:#fff;
  background:linear-gradient(135deg,var(--violet),var(--blue));border-radius:14px;font-weight:600;
  box-shadow:var(--sh-v)}

/* ---------- HERO ---------- */
.hero{position:relative;padding:132px 0 0;overflow:hidden}
.hero__bg{
  position:absolute;inset:0;z-index:0;
  background-image:url("img/bg-web-hero-1920x1080.png");
  background-size:cover;background-position:center top;
}
@media (min-resolution:1.5dppx){
  .hero__bg{background-image:url("img/bg-web-hero@2x-3840x2160.png")}
}
.hero__inner{
  position:relative;z-index:2;
  width:min(100% - 48px,1280px);margin-inline:auto;
  display:grid;grid-template-columns:1.02fr .98fr;gap:48px;align-items:center;
  min-height:clamp(520px,72vh,720px);padding-bottom:24px;
}
.spotlight{
  position:absolute;inset:0;z-index:1;pointer-events:none;
  background:radial-gradient(420px 420px at var(--mx,50%) var(--my,30%), rgba(88,95,255,.13), transparent 70%);
  transition:opacity .6s var(--ease);
}
.hero__copy{max-width:640px}
.chip{
  display:inline-flex;align-items:center;gap:9px;
  font-size:12.5px;font-weight:600;letter-spacing:.06em;color:var(--violet);
  background:var(--chip-bg);border:1px solid rgba(88,95,255,.18);
  border-radius:999px;padding:8px 16px;backdrop-filter:blur(10px);
}
.chip__dot{width:7px;height:7px;border-radius:50%;background:var(--green);box-shadow:0 0 0 4px rgba(0,181,120,.16);animation:pulse 2.4s var(--ease-2) infinite}
@keyframes pulse{0%,100%{box-shadow:0 0 0 3px rgba(0,181,120,.18)}50%{box-shadow:0 0 0 8px rgba(0,181,120,0)}}
.hero__title{
  font-size:clamp(38px,5.2vw,70px);line-height:1.12;font-weight:800;letter-spacing:-.03em;
  margin:22px 0 20px;color:var(--ink);position:relative;
}
/* 标题背后的柔光：避免用 background-clip:text（transform 子元素会让渐变裁切失效） */
.hero__title::before{
  content:"";position:absolute;left:-8%;top:-18%;width:70%;height:150%;z-index:-1;
  background:radial-gradient(closest-side, rgba(88,95,255,.16), transparent 72%);
  filter:blur(6px);pointer-events:none;
}
.hero__title .ch{display:inline-block;overflow:hidden;vertical-align:top;padding-bottom:.08em}
.hero__title .ch>i{display:inline-block;font-style:normal;transform:translateY(112%);opacity:0;
  transition:transform 1.1s var(--ease), opacity .9s var(--ease)}
.hero__title.is-in .ch>i{transform:none;opacity:1}
.hero__sub{font-size:clamp(14.5px,1.2vw,17px);line-height:1.9;color:var(--ink2)}
.hero__cta{display:flex;gap:12px;margin:32px 0 40px;flex-wrap:wrap}
.trust{display:flex;flex-wrap:wrap;gap:10px 30px;align-items:baseline}
.trust li{display:flex;align-items:baseline;gap:7px;font-size:12.5px;color:var(--ink3)}
.trust b{font-size:20px;font-weight:700;color:var(--ink);letter-spacing:-.01em;font-variant-numeric:tabular-nums}

/* HERO 右侧 · Agent 矩阵可视化 */
.hero__visual{position:relative}
.mx{position:relative;width:100%;max-width:540px;margin-left:auto;aspect-ratio:1/1}
.mx__links{position:absolute;inset:0;width:100%;height:100%;overflow:visible}
.mx__link{stroke:rgba(88,95,255,.24);stroke-width:1.1;fill:none;stroke-dasharray:5 6;
  animation:dash 26s linear infinite}
@keyframes dash{to{stroke-dashoffset:-220}}
.mx__grid{position:absolute;inset:0;display:grid;grid-template-columns:repeat(3,1fr);grid-template-rows:repeat(3,1fr);gap:12px}
.mx__node,.mx__core{
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:7px;
  border-radius:var(--r-m);font-size:12px;color:var(--ink2);font-weight:500;
  background:var(--card-glass);border:1px solid rgba(88,95,255,.12);
  backdrop-filter:blur(10px);box-shadow:0 6px 20px rgba(18,23,42,.05);
  transition:transform .6s var(--ease), box-shadow .6s var(--ease), border-color .4s, color .4s;
}
.mx__node svg{width:21px;height:21px;color:var(--violet);stroke-width:1.6}
.mx__node.is-hit{transform:translateY(-4px) scale(1.03);border-color:rgba(88,95,255,.5);box-shadow:0 14px 34px rgba(88,95,255,.22);color:var(--violet)}
.mx__core{
  grid-area:2/2/3/3;border-radius:50%;color:#fff;border:0;
  background:radial-gradient(circle at 50% 40%,#7A80FF,var(--violet) 55%,var(--blue));
  box-shadow:0 20px 50px rgba(88,95,255,.4);
  position:relative;overflow:visible;
}
.mx__core svg{width:26px;height:26px;color:#fff}
.mx__core b{font-size:12.5px;font-weight:700}
.mx__core i{font-size:10.5px;font-style:normal;color:rgba(255,255,255,.8)}
.mx__ring{position:absolute;inset:-9%;border-radius:50%;border:1px solid rgba(88,95,255,.28);animation:ring 4.6s var(--ease-2) infinite}
.mx__ring--2{inset:-20%;border-color:rgba(56,120,255,.18);animation-delay:1.2s}
@keyframes ring{0%{transform:scale(.86);opacity:.9}70%{opacity:0}100%{transform:scale(1.12);opacity:0}}
.pk{fill:var(--violet);filter:drop-shadow(0 0 6px rgba(88,95,255,.85))}
.pk--blue{fill:var(--blue)}
.mx__caption{margin-top:18px;text-align:center;font-size:12px;color:var(--ink3);letter-spacing:.04em}

.hero__strip{
  position:relative;z-index:2;display:flex;gap:0;justify-content:center;flex-wrap:wrap;
  margin-top:24px;padding:0 24px 30px;
}
.hero__strip span{
  font-size:12.5px;color:var(--ink3);padding:6px 18px;
  border-left:1px solid var(--line-2);white-space:nowrap;
}
.hero__strip span:first-child{border-left:0}

/* ---------- 数字员工矩阵 ---------- */
.agents{display:grid;grid-template-columns:minmax(0,1.55fr) minmax(320px,1fr);gap:28px;align-items:start}
.agents__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.ac{
  position:relative;text-align:left;padding:20px 18px 18px;border-radius:var(--r-m);overflow:hidden;
  background:var(--surface);border:1px solid var(--line);box-shadow:var(--sh1);
  transition:transform .6s var(--ease), box-shadow .6s var(--ease), border-color .4s;
  will-change:transform;
}
.ac::before{
  content:"";position:absolute;inset:0;opacity:0;transition:opacity .5s var(--ease);
  background:radial-gradient(240px 200px at var(--cx,50%) var(--cy,0%), rgba(88,95,255,.12), transparent 70%);
}
.ac:hover{transform:translateY(-6px);box-shadow:var(--sh3);border-color:rgba(88,95,255,.28)}
.ac:hover::before{opacity:1}
.ac.is-on{border-color:var(--violet);box-shadow:0 18px 40px rgba(88,95,255,.22);transform:translateY(-6px)}
.ac__ico{
  position:relative;width:40px;height:40px;border-radius:12px;display:grid;place-items:center;
  background:var(--violet-050);color:var(--violet);margin-bottom:14px;
  transition:background .4s,color .4s,transform .6s var(--ease);
}
.ac__ico svg{width:22px;height:22px}
.ac:hover .ac__ico,.ac.is-on .ac__ico{background:linear-gradient(135deg,var(--violet),var(--blue));color:#fff;transform:scale(1.04)}
.ac b{display:block;font-size:14.5px;font-weight:700;letter-spacing:-.01em}
.ac i{display:block;font-style:normal;font-size:11.5px;color:var(--violet);margin:5px 0 8px;font-weight:500}
.ac s{display:block;text-decoration:none;font-size:12.5px;line-height:1.7;color:var(--ink3)}
.ac--star{background:linear-gradient(160deg,var(--card),var(--violet-050))}

.panel{
  position:sticky;top:96px;padding:26px;border-radius:var(--r-l);
  background:linear-gradient(170deg,var(--card),var(--card-2));
  border:1px solid var(--line);box-shadow:var(--sh2);overflow:hidden;
}
.panel::after{
  content:"";position:absolute;top:-40%;right:-30%;width:70%;height:70%;border-radius:50%;
  background:radial-gradient(circle,rgba(88,95,255,.14),transparent 70%);pointer-events:none;
}
.panel__head{display:flex;gap:14px;align-items:center;margin-bottom:16px}
.panel__ico{width:46px;height:46px;border-radius:14px;display:grid;place-items:center;flex:none;
  background:linear-gradient(135deg,var(--violet),var(--blue));color:#fff;box-shadow:var(--sh-v)}
.panel__ico svg{width:24px;height:24px}
.panel__head h3{font-size:19px;font-weight:700;letter-spacing:-.01em}
.panel__head p{font-size:12px;color:var(--ink3);margin-top:4px}
.panel__desc{font-size:13.5px;line-height:1.8;color:var(--ink2);padding-bottom:18px;border-bottom:1px solid var(--line)}
.layers{margin:18px 0 0;display:grid;gap:9px}
.layers li{
  display:grid;grid-template-columns:34px 1fr auto;grid-template-areas:"k b d" "k s d";
  gap:2px 12px;align-items:center;padding:10px 12px;border-radius:12px;background:var(--card);
  border:1px solid var(--line);transition:transform .5s var(--ease), border-color .4s, box-shadow .5s var(--ease);
}
.layers li.is-flash{border-color:rgba(88,95,255,.4);box-shadow:0 8px 22px rgba(88,95,255,.14);transform:translateX(4px)}
.layers__k{grid-area:k;font-family:var(--mono);font-size:11px;color:var(--ink3);background:var(--violet-050);
  border-radius:7px;padding:5px 0;text-align:center}
.layers b{grid-area:b;font-size:13px;font-weight:600}
.layers s{grid-area:s;text-decoration:none;font-size:11.5px;color:var(--ink3);line-height:1.5}
.dot{grid-area:d;font-style:normal;font-size:11px;padding:4px 9px;border-radius:999px;white-space:nowrap}
.dot--g{background:rgba(0,181,120,.12);color:#0A8757}
.dot--y{background:rgba(255,138,58,.14);color:#C1621C}
.dot--n{background:rgba(18,23,42,.06);color:var(--ink3)}
.panel__foot{margin-top:18px;font-size:11.5px;color:var(--ink3)}
.panel__foot span{color:var(--violet);font-weight:600}

/* ---------- 人在环 ---------- */
.seg{display:inline-flex;gap:4px;padding:5px;border-radius:14px;background:var(--card);border:1px solid var(--line);box-shadow:var(--sh1)}
.seg__btn{padding:10px 16px;border-radius:10px;font-size:13px;font-weight:600;color:var(--ink2);transition:background .4s var(--ease),color .3s,box-shadow .4s}
.seg__btn:hover{color:var(--violet)}
.seg__btn.is-on{background:linear-gradient(135deg,var(--violet),var(--blue));color:#fff;box-shadow:0 8px 20px rgba(88,95,255,.28)}
.hitl{display:grid;gap:22px}
.hitl__flow{padding:26px;border-radius:var(--r-l);background:var(--card);border:1px solid var(--line);box-shadow:var(--sh2)}
.flow__row{display:grid;grid-template-columns:96px 1fr;gap:18px;align-items:center;padding:11px 0;border-bottom:1px dashed var(--line)}
.flow__row:last-of-type{border-bottom:0}
.flow__label{font-size:12px;color:var(--ink3);font-weight:600;letter-spacing:.06em}
.flow__track{display:flex;align-items:center;gap:0;flex-wrap:wrap}
.node{
  font-style:normal;font-size:12.5px;font-weight:500;padding:9px 15px;border-radius:11px;white-space:nowrap;
  background:var(--fill);border:1px solid var(--line);color:var(--ink3);
  transition:all .55s var(--ease);
}
.flow__line{width:26px;height:1px;background:var(--line-2);flex:none;position:relative}
.flow__line::after{content:"";position:absolute;right:0;top:-2px;border:3px solid transparent;border-left-color:var(--line-2)}
/* 三级档位状态 */
.node.is-auto{background:rgba(0,181,120,.10);border-color:rgba(0,181,120,.34);color:#0A8757}
.node.is-sug{background:rgba(255,138,58,.12);border-color:rgba(255,138,58,.38);color:#B85A16}
.node.is-app{background:rgba(250,81,81,.10);border-color:rgba(250,81,81,.34);color:#C13A3A}
.node.is-live{box-shadow:0 8px 22px rgba(88,95,255,.18);transform:translateY(-2px)}
.node.is-dim{opacity:.34;filter:grayscale(.4)}
.hitl__note{margin-top:18px;font-size:13px;line-height:1.8;color:var(--ink2);padding:12px 16px;border-radius:12px;background:var(--violet-050);border:1px solid rgba(88,95,255,.14)}
.hitl__note b{color:var(--violet)}
.four{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.four li{padding:20px;border-radius:var(--r-m);background:var(--card);border:1px solid var(--line);box-shadow:var(--sh1);transition:transform .6s var(--ease),box-shadow .6s var(--ease)}
.four li:hover{transform:translateY(-5px);box-shadow:var(--sh2)}
.four svg{width:22px;height:22px;color:var(--violet);margin-bottom:12px}
.four b{display:block;font-size:14px;font-weight:700;margin-bottom:6px}
.four s{text-decoration:none;font-size:12px;line-height:1.7;color:var(--ink3)}

/* ---------- 工具墙 ---------- */
.tools{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.tool{
  position:relative;text-align:left;padding:20px 18px;border-radius:var(--r-m);overflow:hidden;
  background:var(--card);border:1px solid var(--line);box-shadow:var(--sh1);
  transition:transform .55s var(--ease), box-shadow .55s var(--ease), border-color .4s;
}
.tool::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:linear-gradient(90deg,var(--violet),var(--blue));
  transform:scaleX(0);transform-origin:0 50%;transition:transform .6s var(--ease);
}
.tool:hover{transform:translateY(-6px);box-shadow:var(--sh3);border-color:rgba(88,95,255,.3)}
.tool:hover::after{transform:scaleX(1)}
.tool__ico{width:38px;height:38px;border-radius:11px;display:grid;place-items:center;background:var(--violet-050);color:var(--violet);margin-bottom:13px;transition:background .4s,color .4s}
.tool:hover .tool__ico{background:linear-gradient(135deg,var(--violet),var(--blue));color:#fff}
.tool__ico svg{width:21px;height:21px}
.tool b{display:block;font-size:14px;font-weight:700}
.tool s{display:block;text-decoration:none;font-size:12px;line-height:1.7;color:var(--ink3);margin-top:6px;max-height:0;opacity:0;overflow:hidden;
  transition:max-height .55s var(--ease), opacity .45s var(--ease), margin-top .4s}
.tool:hover s,.tool:focus-visible s{max-height:60px;opacity:1}
.tool em{position:absolute;top:16px;right:14px;font-style:normal;font-size:10.5px;font-weight:700;letter-spacing:.06em;
  color:var(--violet);background:var(--violet-050);border-radius:999px;padding:3px 9px}
.tool--flag{background:linear-gradient(160deg,var(--card),var(--violet-050))}

/* ---------- 证据条 ---------- */
/* 证据条：亮色下自带一条极浅的底纹；暗色下交给 .theme-dark（否则会把暗色底覆盖掉） */
.stats{padding:clamp(40px,5vw,72px) 0}
.stats:not(.theme-dark){background:linear-gradient(180deg,var(--violet-050),transparent 70%)}
.stats__wrap{display:flex;flex-wrap:wrap;gap:26px 54px;align-items:baseline;justify-content:space-between}
.stat b{display:block;font-size:clamp(30px,3.6vw,46px);font-weight:800;letter-spacing:-.03em;
  background:linear-gradient(120deg,var(--violet),var(--blue));-webkit-background-clip:text;background-clip:text;color:transparent;
  font-variant-numeric:tabular-nums}
.stat span{font-size:12.5px;color:var(--ink3)}
.stats__note{width:100%;font-size:11.5px;color:var(--ink3);border-top:1px solid var(--line);padding-top:14px}

/* ---------- 业务闭环 ---------- */
.loop{position:relative;padding:34px 30px;border-radius:var(--r-xl);background:var(--card);border:1px solid var(--line);box-shadow:var(--sh2)}
.loop__svg{position:absolute;inset:0;width:100%;height:100%;overflow:visible;pointer-events:none}
.loop__svg .lp{fill:none;stroke:rgba(88,95,255,.16);stroke-width:1.4}
.loop__svg .lp-hi{fill:none;stroke:url(#lpGrad);stroke-width:2;filter:drop-shadow(0 0 6px rgba(88,95,255,.5))}
.loop__lanes{position:relative;display:grid;gap:44px}
#loopPulse{filter:drop-shadow(0 0 9px rgba(88,95,255,.95))}
.lane{display:grid;gap:12px}
.lane__title{display:flex;align-items:center;gap:9px;font-size:12.5px;font-weight:700;color:var(--ink2);letter-spacing:.04em}
.lane__title i{width:8px;height:8px;border-radius:50%;background:var(--violet);box-shadow:0 0 0 4px rgba(88,95,255,.14)}
.lane[data-lane="1"] .lane__title i{background:var(--blue);box-shadow:0 0 0 4px rgba(56,120,255,.14)}
.lane[data-lane="2"] .lane__title i{background:var(--warm);box-shadow:0 0 0 4px rgba(255,138,58,.16)}
.lane__nodes{display:flex;gap:10px;flex-wrap:wrap}
.lane__nodes b{
  position:relative;font-size:12.5px;font-weight:500;padding:12px 16px;border-radius:12px;
  background:var(--fill);border:1px solid var(--line);color:var(--ink3);
  transition:all .5s var(--ease);
}
.lane__nodes b.is-on{background:#fff;border-color:rgba(88,95,255,.4);color:var(--ink);box-shadow:0 10px 24px rgba(88,95,255,.16);transform:translateY(-3px)}
.lane__nodes b.is-on::before{
  content:"";position:absolute;left:50%;top:-5px;translate:-50% 0;width:8px;height:8px;border-radius:50%;
  background:var(--violet);box-shadow:0 0 0 4px rgba(88,95,255,.16);
}
.lane[data-lane="1"] .lane__nodes b.is-on::before{background:var(--blue);box-shadow:0 0 0 4px rgba(56,120,255,.16)}
.lane[data-lane="2"] .lane__nodes b.is-on::before{background:var(--warm);box-shadow:0 0 0 4px rgba(255,138,58,.18)}
.loop__hud{margin-top:26px;display:flex;align-items:center;gap:14px}
.loop__hud span{font-size:12px;color:var(--ink3);min-width:190px}
.loop__bar{flex:1;height:3px;border-radius:2px;background:rgba(88,95,255,.12);overflow:hidden}
.loop__bar u{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--violet),var(--blue));transition:width .2s linear}

/* ---------- 暗色区块 ---------- */
.dark{position:relative;padding:clamp(72px,9vw,140px) 0;overflow:hidden;color:#fff}
.dark__bg{position:absolute;inset:0;background-image:url("img/bg-web-dark-1920x1080.png");background-size:cover;background-position:center}
@media (min-resolution:1.5dppx){
  .dark__bg{background-image:url("img/bg-web-dark@2x-3840x2160.png")}
}
.dark__canvas{position:absolute;inset:0;width:100%;height:100%;opacity:.85}
.dark__inner{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.dark__left{max-width:600px}
.chips{display:flex;flex-wrap:wrap;gap:10px;margin:26px 0 30px}
.chips span{font-size:12.5px;padding:8px 15px;border-radius:999px;color:#C6CEE8;
  background:rgba(255,255,255,.07);border:1px solid rgba(143,168,255,.22)}
.dark__facts{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.dark__facts div{padding:16px;border-radius:14px;background:rgba(255,255,255,.045);border:1px solid rgba(143,168,255,.18)}
.dark__facts b{display:block;font-size:13.5px;margin-bottom:6px}
.dark__facts s{text-decoration:none;font-size:11.5px;line-height:1.6;color:#93A0C4}

.arch{position:relative;display:grid;gap:10px;padding:26px;border-radius:var(--r-l);
  background:rgba(255,255,255,.055);border:1px solid rgba(143,168,255,.2)}
.arch::after{
  content:"";position:absolute;left:26px;right:26px;height:1px;top:26px;
  background:linear-gradient(90deg,transparent,rgba(143,168,255,.85),transparent);
  animation:scan 5.5s var(--ease-2) infinite;
}
@keyframes scan{0%{transform:translateY(0);opacity:0}12%{opacity:1}88%{opacity:1}100%{transform:translateY(300px);opacity:0}}
.arch__layer{
  display:grid;grid-template-columns:44px 1fr auto;gap:14px;align-items:center;
  padding:16px 18px;border-radius:13px;
  background:linear-gradient(90deg,rgba(88,95,255,.16),rgba(56,120,255,.06));
  border:1px solid rgba(143,168,255,.18);
  transition:transform .6s var(--ease), background .5s, border-color .5s;
}
.arch__layer:hover{transform:translateX(6px);background:linear-gradient(90deg,rgba(88,95,255,.28),rgba(56,120,255,.1));border-color:rgba(143,168,255,.4)}
.arch__layer span{font-family:var(--mono);font-size:11px;color:#8FA8FF;background:rgba(143,168,255,.13);border-radius:7px;padding:5px 0;text-align:center}
.arch__layer b{font-size:15px;font-weight:700}
.arch__layer s{text-decoration:none;font-size:12px;color:#A9B2CE}
.arch__layer i{width:74px;height:4px;border-radius:2px;background:rgba(255,255,255,.14);overflow:hidden;position:relative}
.arch__layer i::after{content:"";position:absolute;inset:0;border-radius:2px;
  background:linear-gradient(90deg,var(--violet),var(--blue));transform:scaleX(var(--w,.6));transform-origin:0 50%;
  animation:grow 4.4s var(--ease-2) infinite}
@keyframes grow{0%,100%{opacity:.7}50%{opacity:1}}
.arch__base{margin-top:6px;text-align:center;font-size:11.5px;letter-spacing:.08em;color:#8FA8FF;
  padding:12px;border-radius:12px;background:rgba(88,95,255,.14);border:1px dashed rgba(143,168,255,.34)}

/* ---------- 角色切换 ---------- */
.roles{padding:12px;border-radius:var(--r-xl);background:var(--card);border:1px solid var(--line);box-shadow:var(--sh2)}
.roles__tabs{position:relative;isolation:isolate;display:inline-flex;gap:4px;padding:6px;margin:6px 0 2px 6px;border-radius:14px;background:var(--fill)}
.roles__tab{position:relative;z-index:1;padding:11px 22px;border-radius:10px;font-size:13.5px;font-weight:600;color:var(--ink2);transition:color .3s}
.roles__tab.is-on{color:var(--on-accent)}
.roles__ind{position:absolute;z-index:0;top:6px;left:6px;height:calc(100% - 12px);border-radius:10px;
  background:linear-gradient(135deg,var(--violet),var(--blue));box-shadow:0 8px 20px rgba(88,95,255,.3);
  transition:transform .6s var(--ease), width .6s var(--ease)}
.roles__body{display:grid;grid-template-columns:1.35fr .65fr;gap:36px;align-items:center;padding:36px 30px 34px}
.roles__copy h3{font-size:clamp(22px,2.4vw,32px);font-weight:700;letter-spacing:-.02em;margin-bottom:16px;
  transition:opacity .4s var(--ease), transform .5s var(--ease)}
.roles__copy p{font-size:14.5px;line-height:1.9;color:var(--ink2);max-width:46em}
.roles__on{margin-top:26px;display:flex;align-items:center;gap:16px;flex-wrap:wrap}
.roles__on>span{font-size:12px;color:var(--ink3)}
.roles__ags{display:flex;gap:8px;flex-wrap:wrap}
.roles__ags b{font-size:12.5px;font-weight:600;color:var(--violet);background:var(--violet-050);
  border:1px solid rgba(88,95,255,.2);border-radius:999px;padding:7px 14px;
  animation:pop .55s var(--ease) both}
@keyframes pop{from{opacity:0;transform:translateY(8px) scale(.96)}to{opacity:1;transform:none}}
.roles__viz{display:grid;place-items:center}
.ring{position:relative;width:220px;height:220px;border-radius:50%;
  background:
    radial-gradient(circle at 50% 50%, #fff 42%, transparent 43%),
    conic-gradient(from 200deg, rgba(88,95,255,.5), rgba(56,120,255,.12), rgba(88,95,255,.5));
  box-shadow:inset 0 0 0 1px rgba(88,95,255,.16), 0 18px 40px rgba(88,95,255,.14)}
.ring__dot{position:absolute;left:50%;top:50%;width:12px;height:12px;border-radius:50%;margin:-6px 0 0 -6px;
  background:linear-gradient(135deg,var(--violet),var(--blue));box-shadow:0 0 0 6px rgba(88,95,255,.14);
  transform:rotate(var(--a)) translateY(-104px);animation:orbit 12s linear infinite}
.ring__dot:nth-child(2){animation-delay:-4s}
.ring__dot:nth-child(3){animation-delay:-8s}
@keyframes orbit{from{rotate:0deg}to{rotate:360deg}}
.ring__label{position:absolute;left:50%;top:50%;translate:-50% -50%;font-size:15px;font-weight:700;color:var(--violet);white-space:nowrap}

/* ---------- 数据与合规 ---------- */
.datacards{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;min-width:min(100%,520px)}
.dc{padding:18px 16px;border-radius:var(--r-m);background:var(--card);border:1px solid var(--line);box-shadow:var(--sh1);
  transition:transform .6s var(--ease),box-shadow .6s var(--ease)}
.dc:hover{transform:translateY(-5px);box-shadow:var(--sh2)}
.dc svg{width:20px;height:20px;color:var(--violet);margin-bottom:10px}
.dc b{display:block;font-size:13.5px;font-weight:700;margin-bottom:5px}
.dc s{text-decoration:none;font-size:11.5px;line-height:1.6;color:var(--ink3)}
.lines{margin-top:8px;padding:28px 30px;border-radius:var(--r-l);background:var(--card);border:1px solid var(--line);box-shadow:var(--sh2)}
.lines__title{display:flex;align-items:center;gap:10px;font-size:14.5px;font-weight:700;margin-bottom:20px}
.lines__title svg{width:20px;height:20px;color:var(--violet)}
.lines ul{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.lines li{position:relative;padding:16px 16px 16px 18px;border-radius:12px;background:var(--fill);border:1px solid var(--line)}
.lines li::before{content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:2px;background:linear-gradient(180deg,var(--violet),var(--blue))}
.lines b{display:block;font-size:13px;font-weight:700;margin-bottom:6px}
.lines s{text-decoration:none;font-size:12px;line-height:1.7;color:var(--ink3)}

/* ---------- 结尾 CTA ---------- */
.endcta{position:relative;padding:clamp(80px,10vw,150px) 0;text-align:center;overflow:hidden}
.endcta__glow{
  position:absolute;left:50%;top:44%;translate:-50% -50%;width:min(90vw,900px);aspect-ratio:1/1;border-radius:50%;
  background:radial-gradient(circle,rgba(88,95,255,.16),rgba(56,120,255,.06) 45%,transparent 70%);
  animation:breathe 7s var(--ease-2) infinite;pointer-events:none;
}
@keyframes breathe{0%,100%{transform:translate(-50%,-50%) scale(1);opacity:.9}50%{transform:translate(-50%,-50%) scale(1.06);opacity:1}}
.endcta__inner{position:relative}
.endcta__title{font-size:clamp(32px,4.6vw,60px);font-weight:800;letter-spacing:-.03em;
  background:linear-gradient(120deg,var(--ink) 25%,var(--violet) 70%,var(--blue));
  -webkit-background-clip:text;background-clip:text;color:transparent}
.endcta__sub{margin-top:18px;font-size:15px;color:var(--ink2)}
.endcta__cta{display:flex;gap:14px;justify-content:center;align-items:center;margin-top:36px;flex-wrap:wrap}
.endcta__note{margin-top:30px;font-size:12px;color:var(--ink3)}

/* ---------- 页脚 ---------- */
.footer{background:#0D1120;color:#93A0C4;padding:66px 0 34px;position:relative;overflow:hidden}
.footer::before{content:"";position:absolute;inset:0;background:
  radial-gradient(700px 300px at 8% 0%, rgba(88,95,255,.22), transparent 65%),
  radial-gradient(600px 260px at 92% 10%, rgba(56,120,255,.16), transparent 65%)}
.footer__inner{position:relative;display:grid;grid-template-columns:1.05fr 2fr;gap:48px}
.footer .brand__name{color:#fff}
.footer .brand__mark{box-shadow:0 10px 26px rgba(88,95,255,.4)}
.footer__brand p{margin-top:16px;font-size:13.5px;line-height:1.8;max-width:22em;color:#8FA8FF}
.footer__tags{display:flex;gap:8px;margin-top:20px;flex-wrap:wrap}
.footer__tags span{font-size:11.5px;padding:5px 12px;border-radius:999px;background:rgba(255,255,255,.06);border:1px solid rgba(143,168,255,.2)}
.footer__cols{display:grid;grid-template-columns:repeat(5,1fr);gap:24px}
.footer__cols b{display:block;color:#fff;font-size:13px;margin-bottom:14px}
.footer__cols a{display:block;font-size:12.5px;line-height:2.1;color:#8E9AB8;transition:color .3s,transform .3s var(--ease)}
.footer__cols a:hover{color:#fff;transform:translateX(3px)}
.footer__bottom{position:relative;margin-top:52px;padding-top:22px;border-top:1px solid rgba(143,168,255,.16);
  display:flex;gap:18px;flex-wrap:wrap;justify-content:space-between;font-size:11.5px;color:#7E8AAB}
.footer__legal{display:flex;gap:18px;flex-wrap:wrap}
.footer__legal a:hover{color:#fff}
.footer__note{color:#6C779A}

/* ---------- 弹窗 · 免费试用 ---------- */
.modal{
  position:fixed;inset:0;z-index:80;display:grid;place-items:center;padding:22px;
  opacity:0;visibility:hidden;transition:opacity .42s var(--ease), visibility .42s;
}
.modal.is-open{opacity:1;visibility:visible}
.modal__mask{position:absolute;inset:0;background:rgba(9,12,26,.62);backdrop-filter:blur(12px) saturate(1.1)}
.modal__box{
  position:relative;width:min(100%,568px);max-height:calc(100vh - 44px);overflow-y:auto;
  padding:34px 34px 30px;border-radius:26px;
  background:linear-gradient(180deg,#FFFFFF,#FAFAFF);
  border:1px solid rgba(255,255,255,.7);box-shadow:0 40px 96px rgba(9,12,26,.42);
  transform:translateY(20px) scale(.975);
  transition:transform .58s var(--ease);
}
.modal.is-open .modal__box{transform:none}
.modal__x{
  position:absolute;top:16px;right:16px;width:36px;height:36px;border-radius:11px;
  display:grid;place-items:center;color:var(--ink3);background:var(--fill);
  transition:background .3s,color .3s,transform .4s var(--ease);
}
.modal__x:hover{background:var(--violet-050);color:var(--violet);transform:rotate(90deg)}
.modal__x svg{width:16px;height:16px;stroke-width:2}
.modal__head h3{font-size:clamp(21px,2.2vw,26px);font-weight:700;letter-spacing:-.02em;margin:12px 0 10px}
.modal__head p{font-size:13.5px;line-height:1.8;color:var(--ink2)}
.modal__head .kicker{margin-bottom:2px}

.form{display:grid;gap:14px;margin-top:24px}
.field{display:grid;gap:7px}
.field>span{font-size:12.5px;font-weight:600;color:var(--ink2)}
.field>span i{font-style:normal;color:var(--red);margin-left:3px}
.field input,.field textarea{
  width:100%;padding:13px 15px;border-radius:13px;font:inherit;font-size:14px;color:var(--ink);
  background:var(--fill);border:1px solid var(--line-2);
  transition:border-color .3s,box-shadow .3s,background .3s;
}
.field input::placeholder,.field textarea::placeholder{color:var(--ink3)}
.field input:focus,.field textarea:focus{
  outline:none;background:#fff;border-color:var(--violet);box-shadow:0 0 0 4px rgba(88,95,255,.14);
}
.field textarea{resize:vertical;min-height:82px;line-height:1.7}
.field.is-bad input{border-color:var(--red);box-shadow:0 0 0 4px rgba(250,81,81,.12)}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.form__err{margin:0;min-height:17px;font-size:12px;color:var(--red)}
.form__submit{width:100%;justify-content:center}
.form__note{margin:0;text-align:center;font-size:11.5px;color:var(--ink3)}
.form__note a{color:var(--violet);border-bottom:1px solid rgba(88,95,255,.3)}

.modal__done{display:none;text-align:center;padding:18px 0 6px}
.modal__done.is-on{display:block}
.modal__tick{
  width:66px;height:66px;margin:6px auto 20px;border-radius:50%;display:grid;place-items:center;color:#fff;
  background:linear-gradient(135deg,#20C98A,var(--green));box-shadow:0 18px 38px rgba(0,181,120,.34);
  animation:pop .6s var(--ease) both;
}
.modal__tick svg{width:30px;height:30px;stroke-width:2.4}
.modal__done h3{font-size:24px;font-weight:700;margin-bottom:12px}
.modal__done p{font-size:13.5px;line-height:1.8;color:var(--ink2);margin-bottom:24px}
.modal__done .btn{margin-inline:auto}

/* ---------- 进场动效 ---------- */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .9s var(--ease), transform 1s var(--ease)}
.reveal.is-in{opacity:1;transform:none}
[data-delay="1"]{transition-delay:.08s}
[data-delay="2"]{transition-delay:.16s}
[data-delay="3"]{transition-delay:.24s}
[data-delay="4"]{transition-delay:.32s}
[data-delay="5"]{transition-delay:.4s}

/* ---------- 响应式 ---------- */
@media (max-width:1180px){
  .agents{grid-template-columns:1fr}
  .panel{position:relative;top:0}
  .agents__grid{grid-template-columns:repeat(3,1fr)}
  .tools{grid-template-columns:repeat(3,1fr)}
  .lines ul{grid-template-columns:repeat(2,1fr)}
  .menu__link{display:none}
}
@media (max-width:980px){
  .hero__inner{grid-template-columns:1fr;min-height:0;padding-top:20px}
  .hero__visual{order:-1;max-width:440px;margin-inline:auto}
  .mx{max-width:420px;margin-inline:auto}
  .dark__inner{grid-template-columns:1fr;gap:40px}
  .roles__body{grid-template-columns:1fr;gap:24px}
  .roles__viz{order:-1}
  .four{grid-template-columns:repeat(2,1fr)}
  .sec__head--split{align-items:flex-start}
  .datacards{grid-template-columns:repeat(2,1fr)}
  .footer__inner{grid-template-columns:1fr;gap:34px}
  .menu{display:none}
  .burger{display:flex}
}
@media (max-width:720px){
  .wrap{width:min(100% - 32px,var(--wrap))}
  .nav__inner{width:min(100% - 32px,1280px);height:64px}
  .brand__sub{display:none}
  .nav__login{display:none}
  .drawer{top:64px}
  .hero{padding-top:104px}
  .agents__grid{grid-template-columns:repeat(2,1fr)}
  .tools{grid-template-columns:repeat(2,1fr)}
  .flow__row{grid-template-columns:1fr;gap:10px}
  .loop{padding:22px 18px}
  .lines ul{grid-template-columns:1fr}
  .stats__wrap{gap:22px 34px}
  .arch__layer{grid-template-columns:38px 1fr;gap:10px}
  .arch__layer i{display:none}
  .footer__cols{grid-template-columns:repeat(2,1fr)}
  .trust{gap:10px 20px}
  .trust b{font-size:17px}
}
@media (max-width:480px){
  .agents__grid{grid-template-columns:1fr}
  .tools{grid-template-columns:1fr}
  .four{grid-template-columns:1fr}
  .hero__cta .btn{width:100%;justify-content:center}
}

/* ---------- 无障碍：减少动效 ---------- */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;
    transition-duration:.001ms !important;scroll-behavior:auto !important}
  .reveal{opacity:1;transform:none}
  .hero__title .ch>i{transform:none;opacity:1}
}