@font-face{font-family:'PH';src:url('fonts/Medium.ttf') format('truetype');font-weight:400;font-display:swap}
@font-face{font-family:'PH';src:url('fonts/Bold.ttf') format('truetype');font-weight:600;font-display:swap}
@font-face{font-family:'PH';src:url('fonts/Heavy.ttf') format('truetype');font-weight:800;font-display:swap}

:root{
  --bg:#FFFFFF; --bg-soft:#F7F9FC; --card:#FFFFFF;
  --blue:#0049FA; --blue-deep:#003AD6; --blue-q:#EAF1FF;
  --ink:#1A2233; --gray:#5A6477; --gray2:#8A93A6;
  --line:#EEF1F6; --line2:#E2E7EF; --navy:#0A1633;
  --ease:cubic-bezier(.22,1,.36,1);
  --mono:ui-monospace,'SF Mono',Menlo,Consolas,monospace;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:'PH',-apple-system,system-ui,sans-serif;background:var(--bg);color:var(--ink);line-height:1.75;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;overflow-x:hidden}
.wrap{max-width:1180px;margin:0 auto;padding:0 34px}
a{color:inherit;text-decoration:none}
h1,h2,h3{text-wrap:balance;letter-spacing:-.02em;line-height:1.2}
p{text-wrap:pretty}
img{display:block}

/* 滚动进入动效(白名单①) */
html.js .fx{opacity:0;transform:translateY(20px);transition:opacity .45s var(--ease),transform .45s var(--ease)}
html.js .fx.vis{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){html.js .fx{opacity:1;transform:none;transition:none}}

/* ============ 导航 ============ */
.nav{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.85);backdrop-filter:blur(18px);border-bottom:1px solid var(--line)}
.nav-in{display:flex;align-items:center;justify-content:space-between;height:72px}
.brand{display:flex;align-items:center;gap:13px}
.brand .logo{height:23px}
.brand .div{width:1px;height:20px;background:var(--line2)}
.brand .pt{font-size:12px;color:var(--gray2);letter-spacing:.13em;font-weight:600}
.menu{display:flex;gap:32px;list-style:none}
.menu a{font-size:14px;color:var(--gray);font-weight:600;transition:color .2s var(--ease)}
.menu a:hover{color:var(--ink)}
.nav-cta{display:flex;align-items:center;gap:12px}
.btn{display:inline-flex;align-items:center;gap:8px;font-weight:600;font-size:14.5px;border-radius:9px;padding:11px 20px;transition:background .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease),box-shadow .2s var(--ease);cursor:pointer;border:none;font-family:inherit;white-space:nowrap}
.btn-primary{background:var(--blue);color:#fff}
.btn-primary:hover{background:var(--blue-deep)}
.btn-ghost{color:var(--ink);border:1px solid var(--line2);background:transparent}
.btn-ghost:hover{border-color:var(--blue);color:var(--blue)}
.btn-lg{padding:14px 26px;font-size:15.5px;border-radius:10px}
.burger{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:6px}
.burger span{width:22px;height:2px;background:var(--ink);border-radius:2px}
.nav.open .menu{display:flex;position:absolute;top:72px;left:0;right:0;flex-direction:column;gap:0;background:#fff;border-bottom:1px solid var(--line2);padding:8px 22px 14px;box-shadow:0 18px 40px rgba(10,22,51,.1)}
.nav.open .menu>li>a{display:block;padding:11px 0}
/* 多级导航 mega menu */
.menu>li{position:relative}
.menu>li>a{display:inline-flex;align-items:center;gap:5px}
.menu .caret{width:9px;height:9px;flex:none;opacity:.45;transition:transform .25s var(--ease),opacity .25s var(--ease)}
.has-mega:hover .caret{transform:rotate(180deg);opacity:1}
.mega{position:absolute;top:calc(100% + 16px);left:50%;transform:translateX(-50%) translateY(8px);background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:0 24px 60px rgba(10,22,51,.15);padding:12px;opacity:0;visibility:hidden;pointer-events:none;transition:opacity .22s var(--ease),transform .22s var(--ease);z-index:60}
.mega::before{content:"";position:absolute;top:-16px;left:0;right:0;height:16px}
.has-mega:hover .mega{opacity:1;visibility:visible;pointer-events:auto;transform:translateX(-50%) translateY(0)}
.mega-in{display:grid;gap:6px}
.mega-staff{min-width:560px}.mega-staff .mega-in{grid-template-columns:1fr 1fr}
.mega-sys{min-width:720px}.mega-sys .mega-in{grid-template-columns:1fr 1fr 1fr}
.mcol{display:block;padding:13px 14px;border-radius:12px;transition:background .18s var(--ease)}
.mcol:hover{background:var(--blue-q)}
.mcol .mt{display:flex;align-items:baseline;gap:4px;font-size:14px;font-weight:700;color:var(--ink)}
.mcol .mt span{font-size:12px;color:var(--blue);font-weight:600}
.mcol .md{font-size:12px;color:var(--gray);line-height:1.55;margin:5px 0 9px}
.mcol .subs{display:flex;flex-wrap:wrap;gap:6px}
.mcol .subs a{font-size:11.5px;color:var(--gray2);background:var(--bg-soft);border:1px solid var(--line);border-radius:6px;padding:3px 8px;transition:.16s var(--ease)}
.mcol .subs a:hover{color:var(--blue);border-color:#CFDDFF;background:#fff}
@media(max-width:920px){
  .has-mega:hover .mega,.menu .caret{transition:none}
  .mega,.mega-staff,.mega-sys{position:static;transform:none;opacity:1;visibility:visible;pointer-events:auto;min-width:0;width:auto;border:0;border-radius:0;box-shadow:none;padding:0;display:none}
  .nav.open .has-mega .mega{transform:none;left:auto;right:auto}
  .mega::before{display:none}
  .nav.open .has-mega.exp .mega{display:block}
  .nav.open .has-mega.exp .caret{transform:rotate(180deg)}
  .nav.open .mega-in{display:block}
  .nav.open .mcol{padding:4px 0 10px 14px}
  .nav.open .mcol .mt{padding:8px 0 7px}
  .nav.open .mcol .md{display:none}
  .nav.open .mcol:hover{background:transparent}
}

/* ============ Hero(变体A:左文右图) ============ */
.hero{position:relative;padding:88px 0 0;overflow:hidden}
.hero::before{content:"";position:absolute;top:-260px;right:-200px;width:680px;height:680px;background:radial-gradient(circle,rgba(0,73,250,.07),transparent 62%);pointer-events:none}
.hero-in{position:relative;z-index:1;display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;padding-bottom:72px}
.tagline{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--blue);background:var(--blue-q);padding:7px 15px;border-radius:99px;margin-bottom:26px}
.tagline i{width:6px;height:6px;border-radius:99px;background:#16A34A;font-style:normal}
.hero h1{font-size:56px;font-weight:800;margin-bottom:24px}
.hero h1 em{font-style:normal;color:var(--blue)}
.hero p.sub{font-size:18px;color:var(--gray);max-width:520px;margin-bottom:34px;line-height:1.75}
.hero-actions{display:flex;gap:14px;margin-bottom:26px;flex-wrap:wrap}
.hero-note{font-size:14px;color:var(--gray2)}
.hero-note b{color:var(--ink);font-weight:600;font-family:var(--mono);font-size:13px}

/* 供奉式产品截图 */
.hero-shot{position:relative}
.hero-shot .frame{border:1px solid var(--line2);border-radius:16px;overflow:hidden;box-shadow:0 24px 64px rgba(0,73,250,.08),0 6px 18px rgba(10,22,51,.06);background:#fff}
.hero-shot .frame img{width:100%;height:auto}
/* 微演示卡(动效白名单③:唯一循环演示) */
.demo-card{position:absolute;left:-26px;bottom:30px;background:#fff;border:1px solid var(--line2);border-radius:13px;box-shadow:0 16px 40px rgba(10,22,51,.13);padding:14px 18px;width:248px}
.demo-card .dh{display:flex;align-items:center;gap:8px;font-size:12.5px;font-weight:600;color:var(--gray);margin-bottom:8px}
.demo-card .dh .av{width:22px;height:22px;border-radius:7px;background:var(--blue);color:#fff;font-size:11px;display:flex;align-items:center;justify-content:center;font-weight:800}
.demo-card .task{font-size:13.5px;font-weight:600;color:var(--ink);line-height:1.5}
.demo-card .st{display:flex;align-items:center;gap:7px;margin-top:9px;font-size:12.5px;font-weight:600}
.demo-card .dots,.demo-card .done{transition:opacity .3s var(--ease)}
.demo-card .dots{color:var(--gray2);animation:demoDots 7s var(--ease) infinite}
.demo-card .dots i{display:inline-block;width:4px;height:4px;border-radius:99px;background:var(--blue);margin-right:3px;font-style:normal;animation:demoPulse 1s ease-in-out infinite}
.demo-card .dots i:nth-child(2){animation-delay:.15s}
.demo-card .dots i:nth-child(3){animation-delay:.3s}
.demo-card .done{color:#16A34A;position:absolute;animation:demoDone 7s var(--ease) infinite}
@keyframes demoPulse{0%,100%{opacity:.25}50%{opacity:1}}
@keyframes demoDots{0%,55%{opacity:1}62%,95%{opacity:0}100%{opacity:1}}
@keyframes demoDone{0%,55%{opacity:0}62%,95%{opacity:1}100%{opacity:0}}
@media (prefers-reduced-motion:reduce){.demo-card .dots{opacity:0}.demo-card .done{opacity:1;animation:none}}


/* ============ Hero 变体B:居中+全宽截图 ============ */
.hero-b .hero-in{display:block;padding-bottom:0}
.hero-b .hero-tx{max-width:780px;margin:0 auto;text-align:center}
.hero-b h1{font-size:60px}
.hero-b p.sub{margin:0 auto 34px}
.hero-b .hero-actions,.hero-b{justify-content:center}
.hero-b .hero-actions{justify-content:center}
.hero-b .hero-shot{max-width:960px;margin:58px auto 0;padding-bottom:64px}
.hero-b .demo-card{left:-30px;bottom:110px}
@media(max-width:920px){.hero-b h1{font-size:38px}.hero-b .hero-shot{padding-bottom:40px}}


/* ============ SEVN 签名:切缝设计语言 ============ */
/* 关键词切缝(同 logo 字形) */
.hero h1 em.slit{background-image:linear-gradient(180deg,var(--blue) 0 45%,transparent 45% 54%,var(--blue) 54% 100%);-webkit-background-clip:text;background-clip:text;color:transparent}
/* 主按钮 hover 切缝扫过 */
.btn-primary{position:relative;overflow:hidden}
.btn-primary::after{content:"";position:absolute;left:0;right:0;top:50%;height:2px;background:rgba(255,255,255,.85);transform:translateX(-105%);transition:transform .3s var(--ease)}
.btn-primary:hover::after{transform:translateX(105%)}
/* 段落眉标:logo "E" 三横杠 */
.eyebrow::before{content:"";display:block;width:24px;height:13px;margin:0 auto 13px;background:linear-gradient(180deg,var(--blue) 0 3px,transparent 3px 5px,var(--blue) 5px 8px,transparent 8px 10px,var(--blue) 10px 13px)}
/* Hero 蓝图网格底纹 */
.hero::after{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(10,22,51,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(10,22,51,.04) 1px,transparent 1px);background-size:56px 56px;-webkit-mask-image:radial-gradient(ellipse 75% 62% at 50% 36%,#000 38%,transparent 78%);mask-image:radial-gradient(ellipse 75% 62% at 50% 36%,#000 38%,transparent 78%);pointer-events:none}
.hero-in,.hero-shot{position:relative;z-index:1}


/* ============ Hero v4:左文右卡 + 数字员工接待 ============ */
.hero-v4 .hero-in{display:grid;grid-template-columns:1.04fr .96fr;gap:54px;align-items:center;padding-bottom:78px;text-align:left}
.hero-v4 .hero-tx{max-width:none;margin:0;text-align:left}
.hero-v4 h1{font-size:52px}
.hero-v4 p.sub{margin:0 0 32px;max-width:520px}
.hero-v4 .hero-actions{justify-content:flex-start}
/* 接待卡 */
.chat{background:var(--card);border:1px solid var(--line2);border-radius:20px;box-shadow:0 40px 90px -42px rgba(10,22,51,.35),0 12px 30px -18px rgba(10,22,51,.1);overflow:hidden}
.chat .ch-h{display:flex;align-items:center;gap:11px;padding:16px 22px;border-bottom:1px solid var(--line)}
.chat .ch-h .av{width:34px;height:34px;border-radius:11px;background:var(--blue);color:#fff;font-size:14px;font-weight:800;display:flex;align-items:center;justify-content:center}
.chat .ch-h .who{font-size:14px;font-weight:800}
.chat .ch-h .sta{font-size:11.5px;color:#16A34A;font-weight:600;display:flex;align-items:center;gap:5px}
.chat .ch-h .sta i{width:5px;height:5px;border-radius:99px;background:#16A34A;font-style:normal}
.chat .ch-h .bno{margin-left:auto;font-family:var(--mono);font-size:10.5px;color:var(--gray2)}
.chat .ch-b{padding:20px 22px 8px}
.chat .bub{background:var(--bg-soft);border:1px solid var(--line);border-radius:4px 14px 14px 14px;padding:12px 16px;font-size:14px;line-height:1.65;color:var(--ink);max-width:88%;margin-bottom:14px}
.chat .bub b{font-weight:800}
.chat .hint{font-size:11.5px;color:var(--gray2);margin:2px 0 8px 2px}
.chat .opts{border-top:1px solid var(--line)}
.chat .opt{display:flex;align-items:center;gap:13px;padding:13.5px 22px;border-bottom:1px solid var(--line);transition:background .16s var(--ease);cursor:pointer}
.chat .opt:last-child{border-bottom:none}
.chat .opt:hover{background:var(--blue-q)}
.chat .opt .ot{font-size:14.5px;font-weight:700;color:var(--ink)}
.chat .opt .oz{margin-left:auto;font-family:var(--mono);font-size:11.5px;color:var(--gray2)}
.chat .opt .ar{font-size:17px;color:var(--gray2);transition:transform .16s var(--ease),color .16s var(--ease)}
.chat .opt:hover .ar{color:var(--blue);transform:translateX(3px)}
.chat .ch-f{display:flex;align-items:center;gap:10px;padding:13px 22px;border-top:1px solid var(--line);background:var(--bg-soft)}
.chat .ch-f .fake{flex:1;font-size:13px;color:var(--gray2)}
.chat .ch-f .snd{width:32px;height:32px;border-radius:9px;background:var(--blue);color:#fff;display:flex;align-items:center;justify-content:center;font-size:14px}
@media(max-width:920px){.hero-v4 .hero-in{grid-template-columns:1fr;gap:40px}.hero-v4 h1{font-size:36px}}

.chat .caret{display:inline-block;width:2px;height:1em;background:var(--blue);vertical-align:-2px;margin-left:1px;animation:caretBlink 1s steps(1) infinite}
@keyframes caretBlink{50%{opacity:0}}
.chat .hint{opacity:0;transition:opacity .4s var(--ease)}
.chat .hint.on{opacity:1}
@media (prefers-reduced-motion:reduce){.chat .caret{display:none}.chat .hint{opacity:1}}


/* ============ Hero v5:数字员工的桌面 ============ */
.desk{position:relative;height:540px}
.desk .menubar{position:absolute;top:0;left:0;right:0;z-index:20;display:flex;align-items:center;gap:14px;background:rgba(255,255,255,.92);backdrop-filter:blur(10px);border:1px solid var(--line2);border-radius:11px;padding:9px 16px;font-size:12px;font-weight:600;color:var(--gray);box-shadow:0 8px 24px rgba(10,22,51,.07)}
.desk .menubar .os{color:var(--ink);font-weight:800;letter-spacing:.04em}
.desk .menubar .run{display:flex;align-items:center;gap:6px;color:#16A34A}
.desk .menubar .run i{width:5px;height:5px;border-radius:99px;background:#16A34A;font-style:normal;animation:caretBlink 1.4s steps(1) infinite}
.desk .menubar .clk{margin-left:auto;font-family:var(--mono);color:var(--gray2)}
.desk .win{position:absolute;width:74%;border:1px solid var(--line2);border-radius:13px;overflow:hidden;background:#fff;box-shadow:0 20px 56px rgba(10,22,51,.16);cursor:pointer;transition:transform .35s var(--ease),box-shadow .35s var(--ease),opacity .35s var(--ease)}
.desk .win .tb{display:flex;align-items:center;gap:8px;padding:9px 13px;background:var(--bg-soft);border-bottom:1px solid var(--line)}
.desk .win .tb .dots{display:flex;gap:5px}
.desk .win .tb .dots i{width:9px;height:9px;border-radius:99px;font-style:normal}
.desk .win .tb .dots i:nth-child(1){background:#FF5F57}.desk .win .tb .dots i:nth-child(2){background:#FEBC2E}.desk .win .tb .dots i:nth-child(3){background:#28C840}
.desk .win .tb .tt{font-size:12px;font-weight:700;color:var(--gray)}
.desk .win .tb .no{margin-left:auto;font-family:var(--mono);font-size:10px;color:var(--gray2)}
.desk .win img{width:100%;height:300px;object-fit:cover;object-position:top center}
.desk .win.w1{top:52px;left:0}
.desk .win.w2{top:84px;left:13%}
.desk .win.w3{top:116px;left:26%}
.desk .win.w4{top:148px;right:0}
.desk .win{opacity:.55;transform:scale(.97)}
.desk .win.on{opacity:1;transform:scale(1);box-shadow:0 32px 80px rgba(0,73,250,.18);z-index:10}
.desk .dock{position:absolute;left:50%;bottom:0;transform:translateX(-50%);z-index:20;display:flex;gap:8px;background:rgba(255,255,255,.92);backdrop-filter:blur(10px);border:1px solid var(--line2);border-radius:13px;padding:8px;box-shadow:0 12px 32px rgba(10,22,51,.1)}
.desk .dock button{white-space:nowrap;border:none;background:transparent;font-family:inherit;font-size:12.5px;font-weight:700;color:var(--gray);padding:8px 14px;border-radius:9px;cursor:pointer;transition:background .18s var(--ease),color .18s var(--ease)}
.desk .dock button.on{background:var(--blue);color:#fff}
@media(max-width:920px){.desk{height:auto;display:flex;flex-direction:column;gap:14px;padding-top:0}.desk .menubar,.desk .dock{position:static;transform:none}.desk .win{position:static;width:100%;opacity:1;transform:none}.desk .win img{height:180px}}

/* ============ 信任条 ============ */
.trust{border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:26px 0;background:var(--bg-soft)}
.trust-in{display:flex;align-items:center;justify-content:center;gap:18px 42px;flex-wrap:wrap}
.trust .lab{font-size:13px;color:var(--gray2);font-weight:600}
.trust .it{font-size:14.5px;font-weight:600;color:#9AA3B2;letter-spacing:.02em}

/* ============ 通用 section ============ */
.sec{padding:96px 0}
.sec-head{max-width:680px;margin:0 auto 56px;text-align:center}
.eyebrow{font-size:13px;font-weight:600;color:var(--blue);letter-spacing:.14em;text-transform:uppercase;margin-bottom:14px;font-family:var(--mono)}
.sec-head h2{font-size:38px;font-weight:800;margin-bottom:16px}
.sec-head p{font-size:17px;color:var(--gray)}

/* ============ 数字员工旗舰区 ============ */
.flag{background:var(--bg-soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.staff-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.stf{display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line2);border-radius:16px;overflow:hidden;transition:transform .25s var(--ease),box-shadow .25s var(--ease);padding-top:16px}
.stf:hover{transform:translateY(-4px);box-shadow:0 20px 48px rgba(10,22,51,.1)}
.stf .slot{width:40px;height:7px;border-radius:99px;background:var(--line2);margin:0 auto 14px}
.stf .bhead{display:flex;align-items:center;justify-content:space-between;padding:0 20px 12px;border-bottom:1px solid var(--line)}
.stf .bhead .bl{font-size:10.5px;font-weight:600;color:var(--gray2);letter-spacing:.12em}
.stf .bhead .bno{font-family:var(--mono);font-size:10.5px;color:var(--blue);font-weight:600}
.stf .bd{padding:17px 20px 18px;flex:1}
.stf .role{font-size:18px;font-weight:800;display:flex;align-items:baseline;gap:8px}
.stf .nick{font-size:12px;color:var(--gray2);font-weight:600}
.stf .duty{display:inline-flex;align-items:center;gap:6px;font-size:11.5px;font-weight:600;color:#16A34A;background:#F0FAF3;border-radius:99px;padding:3px 10px;margin:9px 0 11px}
.stf .duty i{width:5px;height:5px;border-radius:99px;background:#16A34A;font-style:normal}
.stf p{font-size:13.5px;color:var(--gray);line-height:1.65}
.stf .shot{height:150px;flex:0 0 auto;margin-top:auto;overflow:hidden;border-top:1px solid var(--line)}
.stf .shot img{width:100%;height:100%;object-fit:cover;object-position:top center}
.flag-note{display:flex;align-items:center;justify-content:center;gap:22px;margin-top:38px;flex-wrap:wrap}
.flag-note .pr{font-size:15px;color:var(--gray)}
.flag-note .pr b{color:var(--ink);font-weight:800;font-size:19px}

/* ============ Bento 功能区 ============ */
.bento{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.bc{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:26px 28px;display:flex;flex-direction:column;transition:border-color .25s var(--ease),box-shadow .25s var(--ease)}
.bc:hover{border-color:var(--line2);box-shadow:0 14px 36px rgba(10,22,51,.07)}
.bc .nm{font-size:17.5px;font-weight:800;margin-bottom:7px}
.bc p{font-size:13.5px;color:var(--gray);line-height:1.65;flex:1}
.bc .ft{display:flex;align-items:center;justify-content:space-between;margin-top:18px;padding-top:14px;border-top:1px solid var(--line)}
.bc .pz{font-size:12.5px;color:var(--gray2)}
.bc .pz b{color:var(--ink);font-size:15.5px;font-weight:800;font-family:var(--mono);letter-spacing:-.01em}
.bc .go{font-size:13px;color:var(--blue);font-weight:600}
.bc-lg{grid-column:span 2;flex-direction:row;gap:30px;align-items:center;background:linear-gradient(135deg,#FBFCFE,#F2F6FE)}
.bc-lg .tx{flex:1}
.bc-lg .im{flex:0 0 46%;border:1px solid var(--line2);border-radius:12px;overflow:hidden;box-shadow:0 14px 36px rgba(10,22,51,.1)}
.bc-lg .im img{width:100%;height:auto}
.bc-dash{grid-column:span 2;border-style:dashed;background:var(--bg-soft)}

/* ============ 作品墙 ============ */
.wk-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.wk{background:var(--card);border:1px solid var(--line2);border-radius:15px;overflow:hidden;transition:transform .25s var(--ease),box-shadow .25s var(--ease)}
.wk:hover{transform:translateY(-3px);box-shadow:0 18px 44px rgba(10,22,51,.1)}
.wk .shot{height:210px;overflow:hidden;background:var(--bg-soft);border-bottom:1px solid var(--line)}
.wk .shot img{width:100%;height:100%;object-fit:cover;object-position:top center}
.wk.phone .shot img{object-fit:contain;padding:12px 0}
.wk .cap{padding:16px 20px;display:flex;align-items:center;justify-content:space-between}
.wk .cap .nm{font-size:15px;font-weight:800}
.wk .cap .tg{font-size:12px;color:var(--gray2);margin-top:2px}
.wk .cap .badge{font-size:11.5px;color:var(--blue);background:var(--blue-q);padding:4px 11px;border-radius:99px;white-space:nowrap;font-weight:600}
.wk-note{text-align:center;margin-top:32px;font-size:14.5px;color:var(--gray)}
.wk-note b{color:var(--ink)}

/* ============ 为什么 SEVN ============ */
.why-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:44px 56px;max-width:980px;margin:0 auto}
.wc{display:flex;gap:20px}
.wc .no{font-family:var(--mono);font-size:13px;font-weight:600;color:var(--blue);padding-top:5px;white-space:nowrap}
.wc h3{font-size:19px;font-weight:800;margin-bottom:9px}
.wc p{font-size:14.5px;color:var(--gray);line-height:1.7}

/* ============ 流程 ============ */
.flow{display:grid;grid-template-columns:repeat(5,1fr);gap:14px}
.fc{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:24px 22px}
.fc .no{font-family:var(--mono);font-size:12.5px;font-weight:600;color:var(--blue);margin-bottom:12px}
.fc h3{font-size:16px;font-weight:800;margin-bottom:8px}
.fc p{font-size:13px;color:var(--gray);line-height:1.62}

/* ============ 深色数据带 ============ */
.band{background:var(--navy)}
.band-in{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;padding:64px 0;text-align:center}
.band-in .it b{font-size:44px;font-weight:800;color:#fff;display:block;letter-spacing:-.02em;font-family:var(--mono)}
.band-in .it span{font-size:13.5px;color:#8FA0C8;font-weight:600;margin-top:8px;display:block}

/* ============ CTA ============ */
.cta{text-align:center;padding:104px 0}
.cta h2{font-size:42px;font-weight:800;margin-bottom:16px}
.cta h2 em{font-style:normal;color:var(--blue)}
.cta p{font-size:17px;color:var(--gray);margin-bottom:34px}
.cta-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}

/* ============ 大页脚 ============ */
.site-foot{background:var(--navy);color:#fff;padding:60px 0 30px}
.foot-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:40px;margin-bottom:46px}
.foot-brand .logo{height:25px;margin-bottom:18px}
.foot-brand p{font-size:13.5px;color:#8FA0C8;max-width:300px;line-height:1.7}
.foot-col h4{font-size:13px;font-weight:600;color:#fff;margin-bottom:16px;letter-spacing:.05em}
.foot-col a{display:block;font-size:13.5px;color:#7281A3;margin-bottom:11px;transition:color .2s var(--ease)}
.foot-col a:hover{color:#D4DDF2}
.foot-bot{border-top:1px solid rgba(255,255,255,.08);padding-top:24px;display:flex;justify-content:space-between;align-items:center;font-size:12.5px;color:#5E6C8E;flex-wrap:wrap;gap:12px}
.foot-bot .links{display:flex;gap:22px}

/* ============ 响应式 ============ */
@media(max-width:920px){
  .bc-dash{grid-column:span 1}
  .wrap{padding:0 22px}
  .menu,.nav-cta .btn-ghost{display:none}
  .burger{display:flex}
  .hero{padding:56px 0 0}
  .hero-in{grid-template-columns:1fr;gap:44px;padding-bottom:56px}
  .hero h1{font-size:38px}
  .demo-card{left:10px}
  .sec{padding:64px 0}
  .sec-head{margin-bottom:40px}
  .sec-head h2,.cta h2{font-size:29px}
  .staff-grid{grid-template-columns:1fr 1fr}
  .bento{grid-template-columns:1fr}
  .bc-lg{grid-column:span 1;flex-direction:column}
  .bc-lg .im{flex:none;width:100%}
  .wk-grid{grid-template-columns:1fr}
  .why-grid{grid-template-columns:1fr;gap:30px}
  .flow{grid-template-columns:1fr 1fr}
  .band-in{grid-template-columns:1fr 1fr;gap:36px 24px;padding:48px 0}
  .band-in .it b{font-size:34px}
  .foot-grid{grid-template-columns:1fr 1fr;gap:30px}
}
@media(max-width:560px){
  .brand .pt,.brand .div{display:none}
}
@media(max-width:480px){
  .hero h1{font-size:32px}
  .staff-grid,.flow,.foot-grid{grid-template-columns:1fr}
}

/* ============ 当前页菜单高亮 ============ */
.menu>li>a.cur{color:var(--blue)}

/* ============ 产品详情页通用组件(p- 前缀) ============ */
.p-lead{padding:66px 0 8px;text-align:center}
.p-lead .eyebrow{justify-content:center}
.p-lead h1{font-size:44px;font-weight:800;margin:14px 0 18px}
.p-lead h1 em{color:var(--blue);font-style:normal}
.p-lead .sub{max-width:680px;margin:0 auto;color:var(--gray);font-size:16.5px}
.p-lead .acts{display:flex;gap:13px;justify-content:center;margin:28px 0 10px;flex-wrap:wrap}
.p-lead .note{font-size:13.5px;color:var(--gray2);margin-top:6px}
.p-lead .note b{color:var(--ink)}
.p-lead.split{text-align:left}
.p-lead.split .lead-in{display:grid;grid-template-columns:1.05fr .95fr;gap:54px;align-items:center}
.p-lead.split .eyebrow{justify-content:flex-start}
.p-lead.split .sub{margin:0}
.p-lead.split .acts{justify-content:flex-start}
.p-shot{max-width:980px;margin:40px auto 0;border:1px solid var(--line);border-radius:18px;overflow:hidden;box-shadow:0 30px 70px -30px rgba(10,22,51,.3)}
.p-shot img{width:100%}
.p-shot.phone{max-width:330px}

.p-sec{padding:64px 0}
.p-grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:42px}
.p-feat{background:var(--bg-soft);border:1px solid var(--line);border-radius:16px;padding:26px 24px}
.p-feat .ic{width:42px;height:42px;border-radius:11px;background:var(--blue-q);display:flex;align-items:center;justify-content:center;margin-bottom:16px}
.p-feat .ic svg{width:21px;height:21px;color:var(--blue)}
.p-feat h3{font-size:16.5px;font-weight:700;margin-bottom:8px}
.p-feat p{font-size:14px;color:var(--gray);line-height:1.7}

.p-demo{background:var(--navy);border-radius:24px;padding:48px 44px;color:#fff}
.p-demo .sec-head{margin-bottom:32px}
.p-demo .eyebrow{color:#8FB0FF}
.p-demo h2{color:#fff}
.p-demo .sec-head p{color:#AEBBD6}
.p-demo-grid{display:grid;gap:22px;align-items:start}
.p-demo-grid.cols2{grid-template-columns:1fr 1fr}
.p-demo-grid.phonewide{grid-template-columns:232px 1fr}
.p-ds{border:1px solid rgba(255,255,255,.12);border-radius:14px;overflow:hidden;background:rgba(255,255,255,.04);display:flex;flex-direction:column}
.p-ds img{width:100%;display:block}
.p-ds .cap{font-size:13px;color:#AEBBD6;padding:11px 16px;border-top:1px solid rgba(255,255,255,.1);margin-top:auto}

.p-tiers{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:42px}
.p-tier{border:1px solid var(--line2);border-radius:18px;padding:30px 26px;background:#fff;display:flex;flex-direction:column}
.p-tier.hot{border-color:var(--blue);box-shadow:0 20px 50px -28px rgba(0,73,250,.5);position:relative}
.p-tier.hot .tag{position:absolute;top:-12px;left:26px;background:var(--blue);color:#fff;font-size:12px;font-weight:600;padding:4px 12px;border-radius:99px}
.p-tier .nm{font-size:16px;font-weight:700}
.p-tier .pz{font-size:32px;font-weight:800;margin:12px 0 4px}
.p-tier .pz small{font-size:15px;font-weight:600;color:var(--gray2)}
.p-tier .ds{font-size:13.5px;color:var(--gray);margin-bottom:18px}
.p-tier ul{list-style:none;display:flex;flex-direction:column;gap:10px;margin-bottom:24px;flex:1}
.p-tier li{display:flex;gap:9px;font-size:14px;color:var(--ink)}
.p-tier li svg{width:17px;height:17px;flex:none;color:var(--blue);margin-top:2px}
.p-tier .btn{width:100%;justify-content:center}

.p-assess{background:var(--navy);border-radius:22px;padding:46px 40px;text-align:center;color:#fff}
.p-assess .eyebrow{justify-content:center;color:#8FB0FF}
.p-assess h2{font-size:30px;font-weight:800;margin:12px 0 8px;color:#fff}
.p-assess .lead-p{color:#AEBBD6;max-width:560px;margin:0 auto 26px}
.p-refs{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;max-width:840px;margin:0 auto 28px}
.p-ref{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:14px;padding:24px 20px;text-align:left}
.p-ref .t{font-size:14px;color:#C7D3EE;font-weight:600}
.p-ref .v{font-size:26px;font-weight:800;margin:8px 0 4px}
.p-ref .d{font-size:13px;color:#9FB3DC;line-height:1.6}
.p-assess .acts{display:flex;gap:13px;justify-content:center;flex-wrap:wrap}
.p-assess .btn-ghost{color:#fff;border-color:rgba(255,255,255,.3)}
.p-assess .btn-ghost:hover{border-color:#fff;color:#fff;background:rgba(255,255,255,.08)}

@media(max-width:920px){
  .p-lead{padding:44px 0 4px}
  .p-lead h1{font-size:32px}
  .p-lead .sub{font-size:15px}
  .p-lead.split .lead-in{grid-template-columns:1fr;gap:30px}
  .p-sec{padding:48px 0}
  .p-grid3,.p-tiers,.p-refs{grid-template-columns:1fr;gap:14px}
  .p-demo,.p-assess{padding:32px 20px;border-radius:18px}
  .p-demo-grid.cols2,.p-demo-grid.phonewide{grid-template-columns:1fr;gap:16px}
}