*{margin:0;padding:0;box-sizing:border-box}

*{scrollbar-width:thin;scrollbar-color:rgba(91,94,240,.25) transparent;}

::-webkit-scrollbar{width:4px;height:4px;}

::-webkit-scrollbar-track{background:transparent;}

::-webkit-scrollbar-thumb{background:rgba(91,94,240,.25);border-radius:4px;}

::-webkit-scrollbar-thumb:hover{background:rgba(91,94,240,.4);}

select{scrollbar-width:none;overflow:auto;}

select::-webkit-scrollbar{display:none;}

:root{

  --bg:#08090e;--surface:#0f1017;--surface2:#141520;--surface3:#1a1b2a;

  --border:rgba(255,255,255,.05);--border2:rgba(255,255,255,.08);

  --text:#eaeaf0;--text2:#8b8ca0;--text3:#55566a;

  --primary:#5b5ef0;--primary-dim:rgba(91,94,240,.08);

  --cyan:#3ecfcf;--green:#3ecf8e;--amber:#e5a53d;--rose:#e5534b;

}

html{scroll-behavior:smooth}

body{font-family:'Inter','Noto Sans SC',-apple-system,sans-serif;background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;overflow-x:hidden;line-height:1.6;transition:opacity 0.3s ease;opacity:1;}

body::before{content:"";position:fixed;inset:0;background-image:linear-gradient(rgba(91,94,240,0.03) 1px,transparent 1px),linear-gradient(90deg,rgba(91,94,240,0.03) 1px,transparent 1px);background-size:24px 24px;pointer-events:none;z-index:0;}

::selection{background:rgba(91,94,240,.25);color:#fff}

a{color:inherit;text-decoration:none;-webkit-tap-highlight-color:transparent;}

.container{max-width:720px;margin:0 auto;padding:0 24px;position:relative;z-index:1;}



/* NAV */

.nav{position:fixed;top:0;left:0;right:0;z-index:999;background:rgba(8,9,14,.85);backdrop-filter:blur(24px);border-bottom:1px solid var(--border)}

.nav-inner{max-width:1280px;margin:0 auto;padding:0 40px;height:72px;display:flex;align-items:center;justify-content:space-between}

.nav-logo{display:flex;align-items:center;gap:8px;white-space:nowrap}

.brand-img{height:44px;width:auto;object-fit:contain;display:block;}

.brand-text{display:flex;flex-direction:column;justify-content:center;transform:translateY(3px);}

.brand-text-zh{font-size:22px;font-weight:700;letter-spacing:2px;color:var(--text);line-height:1.1;font-family:'Noto Sans SC',sans-serif;}

.brand-text-en{font-size:11px;font-weight:600;color:var(--text2);letter-spacing:2.5px;line-height:1;font-family:'Inter',sans-serif;margin-top:2px;}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:600;font-size:13px;border-radius:8px;padding:10px 22px;transition:all .25s;cursor:pointer;border:none}

.btn-ghost{background:transparent;color:var(--text);border:1px solid var(--border2)}.btn-ghost:hover{border-color:rgba(255,255,255,.15);background:rgba(255,255,255,.03)}.btn-ghost:active{transform:scale(0.96);transition:all .1s;}



/* HERO */

.page-hero{padding:130px 0 40px;text-align:center;position:relative;}

.page-hero::before{content:'';position:absolute;top:72px;left:50%;transform:translateX(-50%);width:600px;height:400px;background:radial-gradient(circle,rgba(91,94,240,0.06) 0%,transparent 70%);pointer-events:none;}

.hero-icon{width:56px;height:56px;margin:0 auto 20px;background:var(--primary-dim);border:1px solid rgba(91,94,240,0.2);border-radius:14px;display:grid;place-items:center;position:relative;}

.hero-icon::after{content:'';position:absolute;inset:-2px;border-radius:16px;background:conic-gradient(from 0deg,transparent,rgba(91,94,240,0.4),transparent);-webkit-mask:linear-gradient(#fff 0 0) padding-box,linear-gradient(#fff 0 0);-webkit-mask-composite:xor;mask-composite:exclude;animation:spin 4s linear infinite;}

@keyframes spin{from{transform:rotate(0deg)}to{transform:rotate(360deg)}}

.hero-icon svg{width:28px;height:28px;stroke:var(--primary);fill:none;stroke-width:2;z-index:1;}

.page-hero h1{font-size:clamp(26px,4vw,38px);font-weight:800;letter-spacing:-1px;margin-bottom:12px;background:linear-gradient(135deg,#fff,#c0c0f0,#7b7ef5);-webkit-background-clip:text;-webkit-text-fill-color:transparent;}

.page-hero p{font-size:14px;color:var(--text2);max-width:480px;margin:0 auto;line-height:1.7;}

.page-hero .free-tag{display:inline-flex;align-items:center;gap:6px;margin-top:16px;padding:6px 16px;background:rgba(62,207,142,.06);border:1px solid rgba(62,207,142,.15);border-radius:8px;font-size:12px;font-weight:600;color:var(--green);}

.page-hero .free-tag svg{width:14px;height:14px;stroke:currentColor;fill:none;stroke-width:2.5;}



/* FORM */

.form-card{background:var(--surface);border:1px solid var(--border2);border-radius:16px;padding:40px;margin-bottom:32px;position:relative;overflow:hidden;}

.form-card::before{content:'';position:absolute;top:0;left:50%;transform:translateX(-50%);width:60%;height:1px;background:linear-gradient(90deg,transparent,rgba(91,94,240,0.25),transparent);}

.form-section{margin-bottom:32px;}

.form-section:last-child{margin-bottom:0;}

.form-section-title{font-size:14px;font-weight:700;color:var(--text);margin-bottom:16px;display:flex;align-items:center;gap:8px;letter-spacing:.3px;}

.form-section-title svg{width:18px;height:18px;stroke:var(--primary);fill:none;stroke-width:2;}

.form-section-title .step{width:22px;height:22px;border-radius:6px;background:var(--primary-dim);border:1px solid rgba(91,94,240,.2);display:grid;place-items:center;font-size:11px;font-weight:700;color:var(--primary);font-family:'JetBrains Mono',monospace;}



/* CONTACT TYPE */

.contact-types{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:14px;}

.ct-btn{padding:10px 20px;border-radius:10px;font-size:13px;font-weight:600;background:var(--surface2);border:1px solid var(--border);color:var(--text3);cursor:pointer;transition:all .25s;display:flex;align-items:center;gap:6px;}

.ct-btn:hover{border-color:rgba(255,255,255,.12);color:var(--text)}

.ct-btn.active{background:var(--primary-dim);border-color:rgba(91,94,240,.3);color:var(--primary);}

.ct-btn svg{width:16px;height:16px;stroke:currentColor;fill:none;stroke-width:2;}



/* INPUTS */

.field{margin-bottom:16px;}

.field:last-child{margin-bottom:0;}

.field label{display:block;font-size:12px;font-weight:600;color:var(--text2);margin-bottom:6px;letter-spacing:.3px;}

.field label .req,.form-section-title .req{color:var(--rose);margin-left:2px;}

.field input,.field select,.field textarea{width:100%;padding:13px 16px;background:var(--surface2);border:1px solid var(--border2);border-radius:10px;color:var(--text);font-size:14px;font-family:inherit;outline:none;transition:all .3s;}

.field input:focus,.field select:focus,.field textarea:focus{border-color:rgba(91,94,240,.4);box-shadow:0 0 0 3px rgba(91,94,240,.08);}

.field input::placeholder,.field textarea::placeholder{color:var(--text3)}

.field select{cursor:pointer;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2355566a' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 14px center;overflow:hidden;}

.field select option{background:var(--surface);color:var(--text);padding:8px 12px;}

.field textarea{min-height:120px;resize:vertical;line-height:1.7;}

.field .hint{font-size:11px;color:var(--text3);margin-top:6px;line-height:1.5;}



/* RADIO GROUP */

.urgency-group{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;}

.urgency-opt{position:relative;}

.urg-btn{display:flex;flex-direction:column;align-items:center;gap:6px;padding:16px 12px;border-radius:10px;background:var(--surface2);border:1px solid var(--border);cursor:pointer;transition:all .25s;text-align:center;width:100%;font-family:inherit;}

.urg-btn:hover{border-color:rgba(255,255,255,.12);}

.urg-btn.active{border-color:rgba(91,94,240,.4);background:var(--primary-dim);}

.urgency-opt .u-icon{font-size:20px;line-height:1;}

.urgency-opt .u-name{font-size:13px;font-weight:600;color:var(--text);}

.urgency-opt .u-desc{font-size:11px;color:var(--text3);line-height:1.4;}

.urg-btn.active .u-name{color:var(--primary)}



/* SUBMIT */

.submit-btn{width:100%;padding:16px;background:linear-gradient(135deg,#5b5ef0,#4b4ee0);color:#fff;border:none;border-radius:12px;font-size:15px;font-weight:700;cursor:pointer;transition:all .3s;display:flex;align-items:center;justify-content:center;gap:8px;margin-top:32px;position:relative;overflow:hidden;}

.submit-btn::before{content:'';position:absolute;inset:0;background:linear-gradient(135deg,#6b6ef5,#5b5ef0);opacity:0;transition:opacity .3s;}

.submit-btn:hover::before{opacity:1}

.submit-btn:hover{transform:translateY(-2px);box-shadow:0 8px 32px rgba(91,94,240,.35);}

.submit-btn:active{transform:scale(0.96);transition:all .1s;}

.submit-btn svg{width:18px;height:18px;stroke:currentColor;fill:none;stroke-width:2.5;position:relative;z-index:1;}

.submit-btn span{position:relative;z-index:1;}

.submit-btn.loading{opacity:0.8;pointer-events:none;transform:none;}

.submit-btn.loading svg{animation:spin 1s linear infinite;stroke-width:2;}

@keyframes spin{from{transform:rotate(0deg)}to{transform:rotate(360deg)}}



/* SUCCESS */

.success-card{display:none;text-align:center;padding:60px 40px;background:var(--surface);border:1px solid rgba(62,207,142,.15);border-radius:16px;}

.success-card.show{display:block;animation:fadeIn .5s ease;}

@keyframes fadeIn{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}

.success-icon{width:64px;height:64px;margin:0 auto 24px;background:rgba(62,207,142,.08);border:1px solid rgba(62,207,142,.2);border-radius:16px;display:grid;place-items:center;}

.success-icon svg{width:32px;height:32px;stroke:var(--green);fill:none;stroke-width:2;}

.success-card h2{font-size:22px;font-weight:800;color:var(--green);margin-bottom:12px;}

.success-card p{font-size:14px;color:var(--text2);line-height:1.7;max-width:400px;margin:0 auto 24px;}

.success-card .back-link{color:var(--primary);font-weight:600;font-size:14px;transition:color .2s;}.success-card .back-link:hover{color:#7b7ef5}



/* PRIVACY NOTE */

.privacy-note{text-align:center;padding:16px;font-size:11px;color:var(--text3);line-height:1.6;}

.privacy-note svg{width:12px;height:12px;stroke:currentColor;fill:none;stroke-width:2;vertical-align:-2px;margin-right:4px;}



/* FOOTER */

.footer{padding:32px 0;border-top:1px solid var(--border);text-align:center;}

.footer p{font-size:12px;color:var(--text3);}

.footer a{color:var(--primary);transition:color .2s}.footer a:hover{color:#7b7ef5}



@media(max-width:768px){

  .nav-inner{padding:0 16px;height:60px}

  .brand-img{height:36px!important;}

  .brand-text-zh{font-size:18px;}

  .brand-text-en{font-size:9px;}

  .form-card{padding:24px 16px;border-radius:12px;}

  .page-hero{padding:90px 0 24px}

  .page-hero h1{font-size:24px;letter-spacing:-.5px;}

  .page-hero p{font-size:13px;}

  .contact-types{gap:8px}

  .ct-btn{padding:8px 14px;font-size:12px;flex:1;min-width:0;justify-content:center;}

  .urgency-group{grid-template-columns:1fr}

  .urg-btn{flex-direction:row;gap:10px;padding:14px 16px;}

  .field input,.field select,.field textarea{font-size:16px;padding:12px 14px;}

  .field select{background-position:right 10px center;}

  .submit-btn{font-size:14px;padding:14px;}

  .success-card{padding:40px 20px;}

  .footer p{font-size:11px;}

  .container{padding:0 16px;}

}

@media(max-width:380px){

  .ct-btn{padding:7px 10px;font-size:11px;gap:4px;}

  .ct-btn svg{width:14px;height:14px;}

  .page-hero h1{font-size:22px;}

}

/* iOS safe area */

@supports(padding-bottom:env(safe-area-inset-bottom)){

  .footer{padding-bottom:calc(32px + env(safe-area-inset-bottom));}

}

/* iOS select fix */

@supports(-webkit-touch-callout:none){

  .field select{-webkit-appearance:none;background-color:var(--surface2);}

}

.nav-site-links{display:flex;align-items:center;gap:16px;margin-left:auto}.nav-site-links a{font-size:12px;color:var(--text2);font-weight:700;white-space:nowrap;text-decoration:none}.nav-site-links a:hover,.nav-site-links a.active{color:var(--cyan)}@media(max-width:1180px){.nav-site-links{display:none}}

@media(max-width:760px){.dc-site-nav.is-mobile-open .dc-service-menu.is-mobile-subopen .dc-service-panel,.dc-site-nav.is-mobile-open .dc-press-menu.is-mobile-subopen .dc-press-panel{display:grid!important;width:100%!important;min-width:0!important;padding:6px 0 4px 12px!important;transform:none!important}.dc-site-nav.is-mobile-open .dc-service-menu.is-mobile-subopen .dc-service-panel a,.dc-site-nav.is-mobile-open .dc-press-menu.is-mobile-subopen .dc-press-panel a{display:flex!important;align-items:center!important;justify-content:flex-start!important;width:100%!important;min-width:0!important;min-height:34px!important;padding:0 12px!important;overflow:visible!important;text-indent:0!important;opacity:1!important;visibility:visible!important;transform:none!important;color:#dfe1ff!important;-webkit-text-fill-color:#dfe1ff!important;background:rgba(38,40,72,.72)!important;border:1px solid rgba(91,94,240,.18)!important;border-radius:7px!important;font-size:12px!important;font-weight:700!important;line-height:1.25!important;white-space:normal!important}}@media(max-width:760px){.dc-site-nav.is-mobile-open .dc-service-menu.is-mobile-subopen .dc-service-panel a,.dc-site-nav.is-mobile-open .dc-press-menu.is-mobile-subopen .dc-press-panel a{font-size:13px!important;font-weight:800!important;color:#eef0ff!important;-webkit-text-fill-color:#eef0ff!important}.dc-site-nav.is-mobile-open .dc-service-menu.is-mobile-subopen .dc-service-panel a:before,.dc-site-nav.is-mobile-open .dc-press-menu.is-mobile-subopen .dc-press-panel a:before{content:none!important}}