/* ==========================================================================
   易电商AI · 主样式表
   ========================================================================== */

:root{
  --bg:#05070f;
  --bg-2:#080c17;
  --panel:rgba(255,255,255,.035);
  --panel-2:rgba(255,255,255,.055);
  --line:rgba(255,255,255,.09);
  --line-2:rgba(255,255,255,.16);
  --txt:#e9eefb;
  --txt-2:#a3b0cc;
  --txt-3:#6d7b99;
  --cyan:#4adeff;
  --violet:#a78bfa;
  --pink:#f472b6;
  --green:#34d399;
  --amber:#fbbf24;
  --grad:linear-gradient(100deg,var(--cyan),var(--violet) 55%,var(--pink));
  --grad-soft:linear-gradient(135deg,rgba(74,222,255,.16),rgba(167,139,250,.16));
  --r-s:10px;
  --r-m:16px;
  --r-l:22px;
  --r-xl:28px;
  --shadow:0 24px 60px -20px rgba(0,0,0,.75);
  --ring:0 0 0 1px rgba(255,255,255,.08);
  --maxw:1200px;
  --ff:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Hiragino Sans GB","Source Han Sans SC","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:88px}
body{
  margin:0;background:var(--bg);color:var(--txt);font-family:var(--ff);
  font-size:16px;line-height:1.75;letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
img,svg{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:700;letter-spacing:-.01em}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
::selection{background:rgba(74,222,255,.3);color:#fff}

/* ---------- 背景装饰 ---------- */
.bg-deco{position:fixed;inset:0;z-index:0;pointer-events:none;overflow:hidden}
.bg-grid{
  position:absolute;inset:-2px;
  background-image:linear-gradient(rgba(255,255,255,.038) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.038) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(ellipse 80% 60% at 50% 0%,#000 20%,transparent 78%);
  -webkit-mask-image:radial-gradient(ellipse 80% 60% at 50% 0%,#000 20%,transparent 78%);
}
.bg-glow{position:absolute;border-radius:50%;filter:blur(90px);opacity:.5}
.bg-glow--1{width:640px;height:640px;top:-260px;left:-140px;background:radial-gradient(circle,rgba(74,222,255,.5),transparent 68%)}
.bg-glow--2{width:720px;height:720px;top:-180px;right:-220px;background:radial-gradient(circle,rgba(167,139,250,.45),transparent 68%)}
.bg-glow--3{width:900px;height:620px;top:1180px;left:50%;transform:translateX(-50%);background:radial-gradient(circle,rgba(244,114,182,.16),transparent 70%)}
.bg-noise{
  position:absolute;inset:0;opacity:.16;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(%23n)' opacity='.5'/%3E%3C/svg%3E");
}
main,header,footer{position:relative;z-index:1}

/* ---------- 通用容器 ---------- */
.shell{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px}
.shell--narrow{max-width:860px}
.grad{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}

/* ---------- 按钮 ---------- */
.btn{
  --bh:46px;
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:var(--bh);padding:0 22px;border-radius:999px;border:1px solid transparent;
  font-weight:600;font-size:15px;cursor:pointer;white-space:nowrap;
  transition:transform .2s ease,box-shadow .25s ease,background .25s ease,border-color .25s ease,color .25s ease;
}
.btn--sm{--bh:38px;font-size:14px;padding:0 18px}
.btn--lg{--bh:52px;font-size:16px;padding:0 30px}
.btn--block{width:100%}
.btn--primary{background:var(--grad);color:#050b14;box-shadow:0 10px 30px -10px rgba(74,222,255,.6)}
.btn--primary:hover{transform:translateY(-2px);box-shadow:0 18px 40px -12px rgba(167,139,250,.7)}
.btn--outline{border-color:var(--line-2);background:rgba(255,255,255,.03);color:var(--txt)}
.btn--outline:hover{border-color:rgba(74,222,255,.6);background:rgba(74,222,255,.08);transform:translateY(-2px)}
.btn--ghost{background:transparent;color:var(--txt-2);border-color:transparent}
.btn--ghost:hover{color:var(--txt)}

/* ---------- 顶栏 ---------- */
.header{
  position:sticky;top:0;z-index:60;
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  background:linear-gradient(180deg,rgba(5,7,15,.86),rgba(5,7,15,.62));
  border-bottom:1px solid transparent;transition:border-color .3s,background .3s;
}
.header.is-stuck{border-bottom-color:var(--line);background:rgba(5,7,15,.94)}
.header__inner{display:flex;align-items:center;gap:20px;height:72px}
.brand{display:inline-flex;align-items:center;gap:10px;flex:none}
.brand__mark{width:32px;height:32px;flex:none;filter:drop-shadow(0 6px 14px rgba(74,222,255,.35))}
.brand__text{font-size:19px;font-weight:800;letter-spacing:-.02em}
.nav{display:flex;align-items:center;gap:2px;margin-left:auto}
.nav__link{
  position:relative;padding:8px 13px;border-radius:9px;font-size:14.5px;color:var(--txt-2);
  transition:color .2s,background .2s;
}
.nav__link:hover{color:var(--txt);background:rgba(255,255,255,.05)}
.nav__link.is-active{color:var(--txt)}
.nav__link.is-active::after{
  content:"";position:absolute;left:13px;right:13px;bottom:2px;height:2px;border-radius:2px;background:var(--grad);
}
.header__act{display:flex;align-items:center;gap:10px;flex:none}
.burger{display:none;width:40px;height:38px;border:1px solid var(--line);border-radius:10px;background:rgba(255,255,255,.03);cursor:pointer;padding:0;position:relative}
.burger span{position:absolute;left:11px;right:11px;height:1.6px;background:var(--txt);border-radius:2px;transition:transform .25s,opacity .2s}
.burger span:nth-child(1){top:13px}
.burger span:nth-child(2){top:18px}
.burger span:nth-child(3){top:23px}
.burger.is-open span:nth-child(1){transform:translateY(5px) rotate(45deg)}
.burger.is-open span:nth-child(2){opacity:0}
.burger.is-open span:nth-child(3){transform:translateY(-5px) rotate(-45deg)}

/* ---------- 首屏 ---------- */
.hero{padding:76px 0 0}
.hero__inner{display:grid;grid-template-columns:1.06fr .94fr;gap:56px;align-items:center}
.pill{
  display:inline-flex;align-items:center;gap:9px;padding:7px 15px 7px 12px;border-radius:999px;
  border:1px solid var(--line-2);background:var(--panel);font-size:13.5px;color:var(--txt-2);
}
.pill__dot{width:7px;height:7px;border-radius:50%;background:var(--green);box-shadow:0 0 0 4px rgba(52,211,153,.16)}
.hero__title{font-size:clamp(30px,3.5vw,48px);line-height:1.18;margin:22px 0 20px;font-weight:800;letter-spacing:-.025em}
.nw{white-space:nowrap}
.hero__sub{font-size:clamp(15px,1.15vw,17.5px);color:var(--txt-2);max-width:600px}
.hero__ticks{display:flex;flex-wrap:wrap;gap:10px 22px;margin:26px 0 30px}
.hero__ticks li{position:relative;padding-left:24px;font-size:14.5px;color:var(--txt-2)}
.hero__ticks li::before{
  content:"";position:absolute;left:0;top:50%;width:15px;height:15px;transform:translateY(-50%);
  border-radius:50%;background:var(--grad-soft);border:1px solid rgba(74,222,255,.4);
}
.hero__ticks li::after{
  content:"";position:absolute;left:4.5px;top:50%;width:5px;height:2.4px;border-left:1.5px solid var(--cyan);
  border-bottom:1.5px solid var(--cyan);transform:translateY(-70%) rotate(-45deg);
}
.hero__cta{display:flex;flex-wrap:wrap;gap:14px}
.hero__meta{display:flex;align-items:center;gap:12px;margin-top:30px;color:var(--txt-3);font-size:13.5px}
.avatars{display:flex}
.avatars span{
  width:28px;height:28px;border-radius:50%;display:grid;place-items:center;font-size:12px;font-weight:700;
  color:#06121c;margin-left:-8px;border:2px solid var(--bg);background:var(--grad);
}
.avatars span:first-child{margin-left:0}

/* ---------- 控制台 ---------- */
.hero__panel{position:relative}
.panel__chips{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:18px;padding-left:4px}
.float-card{
  display:inline-flex;align-items:baseline;gap:9px;padding:11px 16px;border-radius:14px;
  border:1px solid var(--line-2);background:rgba(10,15,28,.9);backdrop-filter:blur(10px);
  box-shadow:var(--shadow);animation:floaty 5.5s ease-in-out infinite;
}
.float-card--b{animation-delay:-2.6s}
.float-card b{font-size:19px;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.float-card span{font-size:12.5px;color:var(--txt-3)}
@keyframes floaty{0%,100%{transform:translateY(0)}50%{transform:translateY(-7px)}}
.console{
  border:1px solid var(--line-2);border-radius:var(--r-xl);background:
    linear-gradient(180deg,rgba(255,255,255,.06),rgba(255,255,255,.02));
  box-shadow:var(--shadow);overflow:hidden;backdrop-filter:blur(10px);
}
.console__bar{
  display:flex;align-items:center;gap:8px;padding:12px 16px;border-bottom:1px solid var(--line);
  background:rgba(255,255,255,.03);
}
.dot{width:10px;height:10px;border-radius:50%}
.dot--r{background:#ff5f57}.dot--y{background:#febc2e}.dot--g{background:#28c840}
.console__title{margin-left:8px;font-size:12.5px;color:var(--txt-3)}
.console__tag{
  margin-left:auto;font-size:11.5px;padding:3px 10px;border-radius:999px;color:var(--green);
  background:rgba(52,211,153,.12);border:1px solid rgba(52,211,153,.28);
}
.console__body{display:grid;grid-template-columns:132px 1fr}
.console__side{padding:16px 12px;border-right:1px solid var(--line);display:flex;flex-direction:column;gap:6px}
.side__item{
  font-size:12.5px;color:var(--txt-3);padding:8px 10px;border-radius:8px;transition:.3s;
}
.side__item.is-on{color:var(--txt);background:rgba(74,222,255,.1);box-shadow:inset 0 0 0 1px rgba(74,222,255,.22)}
.console__main{padding:18px}
.field label{display:block;font-size:11.5px;color:var(--txt-3);margin-bottom:7px;letter-spacing:.06em}
.field__box{
  display:flex;align-items:center;height:38px;padding:0 12px;border-radius:10px;
  background:rgba(0,0,0,.32);border:1px solid var(--line);font-size:12.5px;color:var(--cyan);
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;overflow:hidden;
}
.typed{white-space:nowrap;overflow:hidden}
.caret{width:1.5px;height:15px;background:var(--cyan);margin-left:2px;animation:blink 1s steps(1) infinite}
@keyframes blink{0%,50%{opacity:1}51%,100%{opacity:0}}
.steps{margin:16px 0 14px;display:flex;flex-direction:column;gap:7px}
.step{display:flex;gap:11px;align-items:flex-start;padding:9px 11px;border-radius:10px;background:rgba(255,255,255,.028);border:1px solid transparent;transition:.35s}
.step.is-done{border-color:rgba(52,211,153,.3);background:rgba(52,211,153,.06)}
.step.is-run{border-color:rgba(74,222,255,.36);background:rgba(74,222,255,.07)}
.step i{
  width:16px;height:16px;flex:none;margin-top:3px;border-radius:50%;border:1.5px solid var(--line-2);position:relative;transition:.3s;
}
.step.is-run i{border-color:var(--cyan);border-right-color:transparent;animation:spin .8s linear infinite}
.step.is-done i{background:var(--green);border-color:var(--green)}
.step.is-done i::after{content:"";position:absolute;left:4.4px;top:4.6px;width:5.4px;height:2.6px;border-left:1.6px solid #04140e;border-bottom:1.6px solid #04140e;transform:rotate(-45deg)}
@keyframes spin{to{transform:rotate(360deg)}}
.step b{display:block;font-size:12.8px;font-weight:600}
.step em{font-style:normal;font-size:11.5px;color:var(--txt-3)}
.progress{height:4px;border-radius:4px;background:rgba(255,255,255,.07);overflow:hidden}
.progress span{display:block;height:100%;width:0;border-radius:4px;background:var(--grad);transition:width .5s ease}
.console__foot{display:flex;justify-content:space-between;margin-top:10px;font-size:11.5px;color:var(--txt-3)}

/* ---------- 数据条 ---------- */
.stats{
  margin-top:88px;padding:34px 24px;border-radius:var(--r-l);
  border:1px solid var(--line);background:linear-gradient(180deg,rgba(255,255,255,.05),rgba(255,255,255,.015));
  display:grid;grid-template-columns:repeat(4,1fr);gap:24px;position:relative;overflow:hidden;
}
.stats::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:var(--grad);opacity:.55}
.stat{text-align:center}
.stat b{display:block;font-size:clamp(28px,3vw,40px);font-weight:800;letter-spacing:-.03em;line-height:1.1}
.stat b i{font-style:normal;font-size:.5em;margin-left:3px;color:var(--txt-3);font-weight:600}
.stat > span{font-size:13px;color:var(--txt-3)}
.stats__note{grid-column:1/-1;text-align:center;font-size:12px;color:var(--txt-3);padding-top:16px;border-top:1px solid var(--line);margin-top:4px}

/* ---------- 区块 ---------- */
.section{padding:104px 0}
.section--alt{background:linear-gradient(180deg,rgba(255,255,255,.018),transparent 60%)}
.sec-head{max-width:760px;margin-bottom:52px}
.sec-tag{
  display:inline-block;font-size:12.5px;letter-spacing:.14em;color:var(--cyan);
  padding:5px 13px;border-radius:999px;background:rgba(74,222,255,.09);border:1px solid rgba(74,222,255,.25);
  margin-bottom:18px;
}
.sec-title{font-size:clamp(26px,3.1vw,40px);font-weight:800;letter-spacing:-.025em;margin-bottom:16px}
.sec-desc{color:var(--txt-2);font-size:16px}
.sec-foot-note{text-align:center;font-size:12.5px;color:var(--txt-3);margin-top:26px}

/* ---------- 栅格与卡片 ---------- */
.grid{display:grid;gap:22px}
.grid--3{grid-template-columns:repeat(3,1fr)}
.grid--2{grid-template-columns:repeat(2,1fr)}
.grid--tight{gap:16px}
.card{
  position:relative;padding:28px 26px 30px;border-radius:var(--r-l);border:1px solid var(--line);
  background:linear-gradient(180deg,rgba(255,255,255,.05),rgba(255,255,255,.015));
  transition:transform .3s ease,border-color .3s ease,box-shadow .3s ease;overflow:hidden;
}
.card::after{
  content:"";position:absolute;inset:0;border-radius:inherit;opacity:0;transition:opacity .35s;
  background:radial-gradient(520px 200px at var(--mx,50%) var(--my,0%),rgba(74,222,255,.13),transparent 70%);
  pointer-events:none;
}
.card:hover{transform:translateY(-5px);border-color:var(--line-2);box-shadow:var(--shadow)}
.card:hover::after{opacity:1}
.card h3{font-size:18.5px;margin-bottom:11px}
.card p{font-size:14.5px;color:var(--txt-2)}
.card__ico{
  width:46px;height:46px;border-radius:13px;display:grid;place-items:center;margin-bottom:20px;
  background:var(--grad-soft);border:1px solid var(--line-2);
}
.card__ico svg{width:23px;height:23px}
.i-cyan{color:var(--cyan);background:linear-gradient(135deg,rgba(74,222,255,.2),rgba(74,222,255,.05))}
.i-violet{color:var(--violet);background:linear-gradient(135deg,rgba(167,139,250,.2),rgba(167,139,250,.05))}
.i-pink{color:var(--pink);background:linear-gradient(135deg,rgba(244,114,182,.2),rgba(244,114,182,.05))}
.i-amber{color:var(--amber);background:linear-gradient(135deg,rgba(251,191,36,.2),rgba(251,191,36,.05))}
.i-blue{color:#60a5fa;background:linear-gradient(135deg,rgba(96,165,250,.2),rgba(96,165,250,.05))}
.i-green{color:var(--green);background:linear-gradient(135deg,rgba(52,211,153,.2),rgba(52,211,153,.05))}

/* ---------- AI 团队 ---------- */
.team{border:1px solid var(--line);border-radius:var(--r-xl);overflow:hidden;background:linear-gradient(180deg,rgba(255,255,255,.045),rgba(255,255,255,.012))}
.team__tabs{display:flex;border-bottom:1px solid var(--line);background:rgba(0,0,0,.2)}
.tab{
  flex:1;padding:16px 14px;background:transparent;border:0;border-right:1px solid var(--line);
  cursor:pointer;display:flex;flex-direction:column;gap:3px;align-items:center;transition:.25s;position:relative;
}
.tab:last-child{border-right:0}
.tab b{font-size:15.5px;font-weight:700;color:var(--txt-2)}
.tab span{font-size:11.5px;letter-spacing:.16em;color:var(--txt-3)}
.tab:hover{background:rgba(255,255,255,.035)}
.tab.is-active{background:rgba(74,222,255,.07)}
.tab.is-active b{color:var(--txt)}
.tab.is-active span{color:var(--cyan)}
.tab.is-active::after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:2px;background:var(--grad)}
.team__panes{padding:38px}
.pane{display:none;grid-template-columns:1fr 1fr;gap:46px;align-items:center;animation:fade .45s ease}
.pane.is-active{display:grid}
@keyframes fade{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
.pane h3{font-size:23px;margin-bottom:14px}
.pane__lead{color:var(--txt-2);font-size:15.5px;margin-bottom:22px}
.ticks{display:flex;flex-direction:column;gap:12px}
.ticks li{position:relative;padding-left:26px;font-size:14.5px;color:var(--txt-2)}
.ticks li b{color:var(--txt)}
.ticks--lg li{font-size:15px;padding-left:28px;line-height:1.7}
.ticks li::before{
  content:"";position:absolute;left:0;top:.55em;width:16px;height:16px;border-radius:50%;
  background:var(--grad-soft);border:1px solid rgba(74,222,255,.45);
}
.ticks li::after{
  content:"";position:absolute;left:5px;top:.72em;width:5.5px;height:2.6px;
  border-left:1.6px solid var(--cyan);border-bottom:1.6px solid var(--cyan);transform:rotate(-45deg);
}
.mini{border:1px solid var(--line);border-radius:var(--r-m);background:rgba(0,0,0,.26);padding:18px;display:flex;flex-direction:column;gap:11px}
.mini__row{display:flex;justify-content:space-between;gap:14px;font-size:13px;padding-bottom:10px;border-bottom:1px dashed rgba(255,255,255,.07)}
.mini__row:last-of-type{border-bottom:0;padding-bottom:0}
.mini__row span{color:var(--txt-3)}
.mini__row b{color:var(--txt);font-weight:600}
.ok{color:var(--green)!important}
.bar-row{font-size:12px;color:var(--txt-3)}
.bar-row span{display:block;position:relative;padding:9px 12px;border-radius:9px;overflow:hidden;background:rgba(255,255,255,.04)}
.bar-row span::before{content:"";position:absolute;inset:0 auto 0 0;width:var(--w,50%);background:linear-gradient(90deg,rgba(74,222,255,.3),rgba(167,139,250,.18))}
.mini--doc{gap:12px}
.doc__hd{font-size:11.5px;letter-spacing:.1em;color:var(--cyan);padding-bottom:10px;border-bottom:1px solid var(--line)}
.doc__p{font-size:13.5px;color:var(--txt-2);line-height:1.75}
.doc__p em{font-style:normal;color:var(--violet);margin-right:6px;font-weight:600}
.mini--wave{gap:16px}
.wave{display:flex;align-items:center;gap:4px;height:64px}
.wave i{flex:1;height:var(--h);border-radius:3px;background:linear-gradient(180deg,var(--cyan),var(--violet));opacity:.75;animation:pulse 1.6s ease-in-out infinite}
.wave i:nth-child(odd){animation-delay:-.45s}
.wave i:nth-child(3n){animation-delay:-.9s}
@keyframes pulse{0%,100%{transform:scaleY(.62);opacity:.55}50%{transform:scaleY(1);opacity:.95}}
.task{display:flex;justify-content:space-between;font-size:13px;padding-bottom:10px;border-bottom:1px dashed rgba(255,255,255,.07)}
.task__n{color:var(--txt-3)}
.task__v{color:var(--txt);font-weight:600}
.thumbs{display:grid;grid-template-columns:repeat(3,1fr);gap:7px}
.thumbs i{height:42px;border-radius:8px;background:linear-gradient(135deg,rgba(74,222,255,.22),rgba(167,139,250,.16));border:1px solid var(--line)}
.thumbs i:nth-child(even){background:linear-gradient(135deg,rgba(244,114,182,.2),rgba(167,139,250,.14))}

/* ---------- 工作流程 ---------- */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.flow__item{
  position:relative;padding:26px 22px;border-radius:var(--r-l);border:1px solid var(--line);
  background:linear-gradient(180deg,rgba(255,255,255,.05),rgba(255,255,255,.012));transition:.3s;
}
.flow__item:hover{border-color:rgba(74,222,255,.4);transform:translateY(-4px)}
.flow__no{
  font-size:13px;font-weight:800;letter-spacing:.06em;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.flow__item h4{font-size:16.5px;margin:10px 0 9px}
.flow__item p{font-size:13.5px;color:var(--txt-2)}
.flow__item:last-child{grid-column:span 1}

/* ---------- 左右分栏 ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.split--rev .split__copy{order:2}
.split--rev .split__media{order:1}
.board{border:1px solid var(--line);border-radius:var(--r-l);background:linear-gradient(180deg,rgba(255,255,255,.05),rgba(255,255,255,.015));padding:22px;box-shadow:var(--shadow)}
.board__hd{display:flex;justify-content:space-between;align-items:center;padding-bottom:14px;margin-bottom:14px;border-bottom:1px solid var(--line);font-size:14px;font-weight:600}
.board__live{font-size:11.5px;color:var(--green);padding:3px 10px;border-radius:999px;background:rgba(52,211,153,.12);border:1px solid rgba(52,211,153,.28)}
.board__row{display:flex;justify-content:space-between;align-items:center;gap:14px;padding:11px 0;font-size:13.5px;border-bottom:1px dashed rgba(255,255,255,.06)}
.board__name{color:var(--txt-2)}
.chip{font-size:11.5px;padding:3px 10px;border-radius:999px;white-space:nowrap}
.chip--ok{color:var(--green);background:rgba(52,211,153,.12)}
.chip--run{color:var(--cyan);background:rgba(74,222,255,.12)}
.chip--wait{color:var(--txt-3);background:rgba(255,255,255,.06)}
.board__bar{height:5px;border-radius:5px;background:rgba(255,255,255,.07);margin:16px 0 12px;overflow:hidden}
.board__bar span{display:block;height:100%;width:78%;border-radius:5px;background:var(--grad);animation:load 2.4s ease-in-out infinite alternate}
@keyframes load{from{width:34%}to{width:86%}}
.board__note{font-size:12.5px;color:var(--txt-3)}
.qa{border:1px solid var(--line);border-radius:var(--r-l);background:linear-gradient(180deg,rgba(255,255,255,.05),rgba(255,255,255,.015));padding:24px;box-shadow:var(--shadow)}
.qa__ask{display:flex;gap:12px;align-items:flex-start;padding:14px 16px;border-radius:14px;background:rgba(255,255,255,.05);margin-bottom:16px}
.qa__ask span{width:24px;height:24px;flex:none;border-radius:8px;display:grid;place-items:center;font-size:12px;font-weight:800;color:#06121c;background:var(--grad)}
.qa__ask p{font-size:14.5px;color:var(--txt)}
.qa__ans{padding:0 4px}
.qa__tag{display:inline-block;font-size:11.5px;letter-spacing:.1em;color:var(--violet);margin-bottom:10px}
.qa__ans p{font-size:14px;color:var(--txt-2)}
.qa__hl{
  margin-top:14px;padding:12px 14px;border-radius:12px;font-size:13px;color:var(--cyan)!important;
  background:rgba(74,222,255,.08);border:1px solid rgba(74,222,255,.22);
}

/* ---------- 场景 ---------- */
.scene{
  padding:24px 22px;border-radius:var(--r-m);border:1px solid var(--line);
  background:linear-gradient(180deg,rgba(255,255,255,.045),rgba(255,255,255,.012));transition:.3s;
}
.scene:hover{border-color:var(--line-2);transform:translateY(-4px);background:linear-gradient(180deg,rgba(74,222,255,.07),rgba(255,255,255,.012))}
.scene h4{font-size:16.5px;margin-bottom:9px}
.scene p{font-size:13.8px;color:var(--txt-2)}

/* ---------- 案例 ---------- */
.case{
  padding:28px 26px;border-radius:var(--r-l);border:1px solid var(--line);
  background:linear-gradient(180deg,rgba(255,255,255,.05),rgba(255,255,255,.015));transition:.3s;
}
.case:hover{transform:translateY(-5px);border-color:var(--line-2);box-shadow:var(--shadow)}
.case__cat{font-size:12px;letter-spacing:.08em;color:var(--violet)}
.case h3{font-size:18px;margin:12px 0 12px}
.case p{font-size:14.2px;color:var(--txt-2)}
.case__num{margin-top:22px;padding-top:18px;border-top:1px solid var(--line);display:flex;flex-direction:column;gap:2px}
.case__num b{font-size:26px;font-weight:800;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.case__num span{font-size:12.5px;color:var(--txt-3)}

/* ---------- 为什么选我们 ---------- */
.why{padding:28px 26px;border-radius:var(--r-l);border:1px solid var(--line);background:linear-gradient(180deg,rgba(255,255,255,.05),rgba(255,255,255,.015));transition:.3s}
.why:hover{border-color:var(--line-2);transform:translateY(-4px)}
.why__ico{width:44px;height:44px;border-radius:12px;display:grid;place-items:center;margin-bottom:18px;background:var(--grad-soft);border:1px solid var(--line-2);color:var(--cyan)}
.why__ico svg{width:22px;height:22px}
.why h3{font-size:18px;margin-bottom:11px}
.why p{font-size:14.5px;color:var(--txt-2)}
.promise{
  margin-top:28px;display:grid;grid-template-columns:repeat(4,1fr);gap:1px;border-radius:var(--r-l);overflow:hidden;
  border:1px solid var(--line);background:var(--line);
}
.promise > div{padding:24px 20px;background:rgba(8,12,23,.86);display:flex;flex-direction:column;gap:5px;text-align:center}
.promise b{font-size:15px;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.promise span{font-size:12.5px;color:var(--txt-3)}

/* ---------- FAQ ---------- */
.faq{border:1px solid var(--line);border-radius:var(--r-l);overflow:hidden;background:linear-gradient(180deg,rgba(255,255,255,.045),rgba(255,255,255,.012))}
.faq__item{border-bottom:1px solid var(--line)}
.faq__item:last-child{border-bottom:0}
.faq__item summary{
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 24px;cursor:pointer;font-size:16px;font-weight:600;list-style:none;transition:.25s;
}
.faq__item summary::-webkit-details-marker{display:none}
.faq__item summary:hover{background:rgba(255,255,255,.03);color:var(--cyan)}
.faq__item summary i{position:relative;width:18px;height:18px;flex:none}
.faq__item summary i::before,.faq__item summary i::after{
  content:"";position:absolute;background:var(--cyan);border-radius:2px;transition:transform .3s;
}
.faq__item summary i::before{left:0;right:0;top:8px;height:1.8px}
.faq__item summary i::after{top:0;bottom:0;left:8px;width:1.8px}
.faq__item[open] summary i::after{transform:scaleY(0)}
.faq__body{padding:0 24px 22px;color:var(--txt-2);font-size:14.5px;animation:fade .3s ease}

/* ---------- 表单区 ---------- */
.cta-box{
  display:grid;grid-template-columns:1fr 1fr;gap:52px;padding:48px;border-radius:var(--r-xl);
  border:1px solid var(--line-2);background:
    radial-gradient(700px 400px at 8% 0%,rgba(74,222,255,.14),transparent 65%),
    radial-gradient(600px 420px at 96% 100%,rgba(167,139,250,.16),transparent 62%),
    linear-gradient(180deg,rgba(255,255,255,.05),rgba(255,255,255,.018));
  box-shadow:var(--shadow);position:relative;overflow:hidden;
}
.cta-box__copy h2{font-size:clamp(24px,2.6vw,34px);font-weight:800;letter-spacing:-.02em;margin-bottom:16px}
.cta-box__copy > p{color:var(--txt-2);font-size:15.5px;margin-bottom:24px}
.cta-box__contact{display:flex;flex-direction:column;gap:10px;margin-top:30px}
.contact-line{
  display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px 18px;border-radius:14px;
  border:1px solid var(--line);background:rgba(0,0,0,.24);transition:.25s;
}
.contact-line span{font-size:13px;color:var(--txt-3)}
.contact-line b{font-size:16px;font-weight:700;color:var(--txt)}
.contact-line:hover{border-color:rgba(74,222,255,.5);background:rgba(74,222,255,.07);transform:translateX(4px)}
.form{
  padding:30px 28px;border-radius:var(--r-l);border:1px solid var(--line);
  background:rgba(6,9,18,.72);backdrop-filter:blur(12px);
}
.form__title{font-size:20px;margin-bottom:6px}
.form__hint{font-size:12.5px;color:var(--txt-3);margin-bottom:22px}
.form__row{margin-bottom:15px}
.form__row label{display:block;font-size:13px;color:var(--txt-2);margin-bottom:7px}
.form__row label i{font-style:normal;color:var(--pink)}
.form input[type=text],.form textarea,.form select{
  width:100%;padding:12px 14px;border-radius:11px;border:1px solid var(--line);
  background:rgba(255,255,255,.035);font-size:14.5px;transition:.22s;outline:none;
}
.form textarea{resize:vertical;min-height:82px;line-height:1.7}
.form select{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%236d7b99' stroke-width='1.8' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 14px center}
.form select option{background:#0a0e1a;color:var(--txt)}
.form input:focus,.form textarea:focus,.form select:focus{border-color:rgba(74,222,255,.6);background:rgba(74,222,255,.06);box-shadow:0 0 0 3px rgba(74,222,255,.12)}
.form input::placeholder,.form textarea::placeholder{color:var(--txt-3)}
.form input.is-err,.form textarea.is-err{border-color:rgba(244,114,182,.7);background:rgba(244,114,182,.07)}
.form__hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.form__note{font-size:12px;color:var(--txt-3);text-align:center;margin-top:12px}
.form__msg{margin-top:14px;font-size:14px;text-align:center;min-height:0}
.form__msg.is-ok{color:var(--green);padding:12px;border-radius:11px;background:rgba(52,211,153,.1);border:1px solid rgba(52,211,153,.3)}
.form__msg.is-err{color:var(--pink);padding:12px;border-radius:11px;background:rgba(244,114,182,.1);border:1px solid rgba(244,114,182,.3)}
.btn.is-loading{pointer-events:none;opacity:.7}

/* ---------- 页脚 ---------- */
.footer{border-top:1px solid var(--line);margin-top:40px;background:linear-gradient(180deg,transparent,rgba(255,255,255,.022))}
.footer__inner{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.1fr;gap:40px;padding-top:64px;padding-bottom:44px}
.footer__brand p{margin-top:16px;font-size:13.8px;color:var(--txt-3);max-width:320px}
.footer__col{display:flex;flex-direction:column;gap:11px}
.footer__col h4{font-size:13.5px;color:var(--txt);margin-bottom:6px;letter-spacing:.04em}
.footer__col a,.footer__addr{font-size:13.8px;color:var(--txt-3);transition:.2s}
.footer__col a:hover{color:var(--cyan)}
.footer__bottom{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;padding-top:22px;padding-bottom:30px;border-top:1px solid var(--line);font-size:12.8px;color:var(--txt-3)}
.footer__beian a:hover{color:var(--cyan)}

/* ---------- 悬浮按钮 ---------- */
.dock{position:fixed;right:22px;bottom:26px;z-index:70;display:flex;flex-direction:column;align-items:flex-end;gap:12px}
.dock__btn{
  width:54px;height:54px;border-radius:50%;border:0;cursor:pointer;display:grid;place-items:center;
  background:var(--grad);color:#050b14;box-shadow:0 14px 34px -10px rgba(74,222,255,.7);transition:transform .25s;
}
.dock__btn:hover{transform:scale(1.07)}
.dock__btn svg{width:25px;height:25px}
.dock__menu{
  display:flex;flex-direction:column;gap:8px;padding:10px;border-radius:16px;border:1px solid var(--line-2);
  background:rgba(8,12,22,.95);backdrop-filter:blur(12px);box-shadow:var(--shadow);
  opacity:0;visibility:hidden;transform:translateY(10px);transition:.25s;
}
.dock__menu.is-open{opacity:1;visibility:visible;transform:none}
.dock__menu a,.dock__menu button{
  padding:10px 18px;border-radius:10px;font-size:14px;color:var(--txt-2);background:transparent;border:0;
  cursor:pointer;text-align:left;transition:.2s;white-space:nowrap;
}
.dock__menu a:hover,.dock__menu button:hover{background:rgba(74,222,255,.1);color:var(--txt)}

/* ---------- 滚动进场 ---------- */
[data-reveal]{opacity:0;transform:translateY(22px);transition:opacity .7s cubic-bezier(.22,.61,.36,1),transform .7s cubic-bezier(.22,.61,.36,1)}
[data-reveal].is-in{opacity:1;transform:none}
[data-reveal-d="1"]{transition-delay:.08s}
[data-reveal-d="2"]{transition-delay:.16s}
[data-reveal-d="3"]{transition-delay:.24s}
[data-reveal-d="4"]{transition-delay:.32s}
[data-reveal-d="5"]{transition-delay:.4s}
[data-reveal-d="6"]{transition-delay:.48s}

/* ---------- 响应式 ---------- */
@media (max-width:1080px){
  .grid--3{grid-template-columns:repeat(2,1fr)}
  .flow{grid-template-columns:repeat(2,1fr)}
  .hero__inner{grid-template-columns:1fr;gap:56px}
  .hero__panel{max-width:620px}
  .split{grid-template-columns:1fr;gap:36px}
  .split--rev .split__copy,.split--rev .split__media{order:0}
  .cta-box{grid-template-columns:1fr;gap:36px;padding:36px}
  .footer__inner{grid-template-columns:1fr 1fr;gap:32px}
  .only-desktop{display:none}
}
@media (max-width:860px){
  .nav{
    position:fixed;top:72px;left:0;right:0;flex-direction:column;align-items:stretch;gap:4px;
    padding:14px 20px 22px;background:rgba(5,7,15,.98);border-bottom:1px solid var(--line);
    backdrop-filter:blur(16px);transform:translateY(-12px);opacity:0;visibility:hidden;transition:.25s;
  }
  .nav.is-open{transform:none;opacity:1;visibility:visible}
  .nav__link{padding:13px 14px;font-size:15.5px}
  .nav__link.is-active::after{display:none}
  .burger{display:block}
  .header__inner{gap:12px}
  .pane{grid-template-columns:1fr;gap:30px}
  .team__panes{padding:26px 20px}
  .tab b{font-size:14px}.tab span{font-size:10.5px;letter-spacing:.08em}
  .promise{grid-template-columns:1fr 1fr}
  .stats{grid-template-columns:1fr 1fr;gap:28px 16px;margin-top:64px}
  .section{padding:74px 0}
  .sec-head{margin-bottom:36px}
}
@media (max-width:620px){
  body{font-size:15.5px}
  .shell{padding:0 18px}
  .hero{padding-top:52px}
  .grid--3,.grid--2,.flow{grid-template-columns:1fr}
  .footer__inner{grid-template-columns:1fr;gap:28px;padding-top:48px}
  .console__body{grid-template-columns:1fr}
  .console__side{flex-direction:row;overflow-x:auto;border-right:0;border-bottom:1px solid var(--line);padding:10px}
  .side__item{white-space:nowrap}
  .hero__cta .btn{flex:1}
  .cta-box{padding:26px 20px}
  .form{padding:24px 20px}
  .faq__item summary{padding:17px 18px;font-size:15px}
  .faq__body{padding:0 18px 18px}
  .float-card{padding:10px 13px}
  .float-card b{font-size:17px}
  .dock{right:14px;bottom:18px}
  .promise{grid-template-columns:1fr}
  .stats{padding:26px 18px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important}
  html{scroll-behavior:auto}
  [data-reveal]{opacity:1;transform:none}
}