body{padding-top:92px;background:#f4f7f5}
@media(max-width:767px){.crumb{padding:14px 0 4px}.fu-hero{padding-top:6px!important}}
/* 免费试用/需求沟通页 —— 页面专属样式，不污染官网 layout.css */
.w{max-width:1200px;margin:0 auto}
.freeuse-main{padding:6px 0 24px}
.crumb{font-size:13px;color:#5a6b60;padding:8px 0 12px;max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px}
.crumb a{color:#5a6b60}
.crumb a:hover{color:#138451}
.crumb span{margin:0 8px;color:#c2cdc6}
.crumb em{font-style:normal;color:#3c4f44}

.fu-page-intro{margin:6px 0 14px}
.fu-page-intro h1{font-size:24px;font-weight:800;color:#19372b;margin:0 0 4px;letter-spacing:-.5px}
.fu-page-intro p{margin:0;color:#6d7d73;font-size:13px;max-width:640px;line-height:1.6}

.fu-layout{display:grid;grid-template-columns:minmax(0,.92fr) minmax(0,1.08fr);gap:18px;align-items:stretch}

/* 左侧深绿介绍 */
.fu-intro{background:linear-gradient(145deg,#0b5037,#08764a 72%,#15935c);color:#fff;border-radius:12px;padding:22px 22px;display:flex;flex-direction:column;justify-content:space-between;position:relative;overflow:hidden}
.fu-intro:after{content:"";position:absolute;right:-80px;bottom:-100px;width:340px;aspect-ratio:1;border:1px solid #ffffff20;border-radius:50%;box-shadow:0 0 0 34px #ffffff08,0 0 0 68px #ffffff05}
.fu-intro h2{font-size:20px;line-height:1.3;margin:0 0 8px}
.fu-lead{font-size:12.5px;line-height:1.7;color:#d7eee1;margin:0}
.fu-what-title{font-size:12px;color:#b9e8ce;font-weight:700;margin:14px 0 8px}
.fu-benefits{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.fu-benefit{display:flex;align-items:center;gap:10px;padding:16px 14px;background:#ffffff12;border:1px solid #ffffff24;border-radius:10px;min-height:84px}
.fu-bi{flex:0 0 24px;height:24px;display:grid;place-items:center;border-radius:6px;background:#ffffff1a;color:#d6f5e2;font-size:10px;font-weight:800}
.fu-benefit b{display:block;font-size:12.5px;margin:0 0 3px;line-height:1.4}
.fu-benefit small{display:block;color:#d2e9dc;font-size:11px;line-height:1.55}
.fu-trust{margin:14px 0 2px;display:flex;flex-wrap:wrap;align-items:center;gap:8px;background:#ffffff14;border:1px solid #ffffff24;border-radius:10px;padding:11px 14px;font-size:11.5px;color:#e2f3e9}
.fu-trust i{font-style:normal;color:#8fd3ad}
.fu-process{margin-top:14px;padding-top:10px;border-top:1px solid #ffffff30;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}
.fu-step{font-size:10.5px;color:#d5ecdf;line-height:1.5}
.fu-step b{display:block;font-size:11.5px;color:#fff;margin-bottom:2px}
.fu-step em{font-style:normal;color:#a6dfbd;margin-right:4px}

/* 右侧表单 */
.fu-form-card{background:#fff;border:1px solid #e1eae4;box-shadow:0 10px 32px #173d2b0a;border-radius:12px;padding:22px 24px;display:flex;flex-direction:column;justify-content:center}
.fu-form-head{margin-bottom:18px}
.fu-form-head h2{font-size:22px;line-height:1.35;margin:0 0 6px;color:#19372b}
.fu-form-head p{margin:0;color:#7a8981;font-size:13px}
.fu-form-head i,.fu-label i{font-style:normal;color:#dc4942;margin-left:2px}
.fu-field{margin-bottom:11px;min-width:0}
.fu-label{display:block;font-size:12.5px;font-weight:700;margin-bottom:5px;color:#34483d}
.fu-choices{display:flex;gap:10px}
.fu-choices label{flex:1;min-width:0}
.fu-choices input{position:absolute;opacity:0;pointer-events:none}
.fu-choices i{display:flex;align-items:center;justify-content:center;min-height:38px;border:1px solid #dce7df;border-radius:8px;font-size:13px;font-style:normal;color:#607168;cursor:pointer;transition:all .18s}
.fu-choices input:checked+i{border-color:#138451;background:#edf8f1;color:#087d4b;box-shadow:inset 0 0 0 1px #138451}
.fu-two{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.fu-field input,.fu-field textarea{display:block;width:100%;border:1px solid #dce6df;border-radius:8px;padding:8px 11px;font-size:13.5px;line-height:1.4;color:#263a30;outline:none;background:#fff;transition:border-color .18s,box-shadow .18s}
.fu-field input{height:40px}
.fu-field textarea{resize:vertical;min-height:56px;max-height:110px}
.fu-field input:focus,.fu-field textarea:focus{border-color:#36a975;box-shadow:0 0 0 3px #159b6114}
.fu-field input::placeholder,.fu-field textarea::placeholder{color:#aab5ae}
.fu-error{display:none;color:#c73d36;font-size:12px;margin-top:4px}
.fu-field.invalid .fu-error{display:block}
.fu-field.invalid input,.fu-field.invalid textarea{border-color:#d94d45}
.fu-field.invalid .fu-choices i{border-color:#d94d45}
.fu-submit{width:100%;border:0;border-radius:8px;background:linear-gradient(90deg,#168e59,#0b7748);color:#fff;font-size:14px;font-weight:700;padding:11px;cursor:pointer;box-shadow:0 6px 14px #159b6126;transition:filter .2s}
.fu-submit:hover{background:linear-gradient(90deg,#f0832f,#e56b1f);box-shadow:0 6px 14px #e56b1f38;filter:none}
.fu-notice{display:none;margin-top:12px;border-radius:8px;padding:10px 12px;font-size:13px;line-height:1.6}
.fu-notice.show{display:block}
.fu-notice.error{background:#fff2f0;color:#b83b2d}
.fu-privacy{font-size:11.5px;color:#9aa69f;line-height:1.6;text-align:center;margin:12px 0 0}
.fu-completion{display:none;text-align:center;padding:40px 10px}
.fu-completion.show{display:block}
.fu-ok{width:56px;height:56px;display:grid;place-items:center;border-radius:50%;background:#e4f5ea;color:#168b58;font-size:28px;margin:0 auto 16px}
.fu-completion h2{font-size:22px;margin:0 0 10px;color:#19372b}
.fu-completion p{max-width:400px;margin:0 auto;color:#718078;font-size:14px;line-height:1.8}

@media(max-width:900px){
.fu-layout{grid-template-columns:1fr;gap:16px}
.fu-intro{padding:26px 22px}
.fu-form-card{padding:24px 20px}
.fu-page-intro h1{font-size:24px}
}
@media(max-width:520px){
.fu-two{grid-template-columns:1fr;gap:0}
.fu-benefits{grid-template-columns:1fr}
.fu-process{grid-template-columns:repeat(3,1fr);gap:6px}
.fu-field{margin-bottom:12px}
}

@media(max-width:767px){body{padding-top:72px!important}.w{padding-left:16px;padding-right:16px!important}.crumb{padding:14px 20px 4px!important;max-width:1200px;margin:0 auto}.freeuse-main{padding-bottom:24px}.fu-page-intro h1{font-size:24px}.fu-page-intro{margin-bottom:14px}}
.footer .beian a{color:#7f88b7}