/* AB模板网 整站模板下载 */
/* 模板：Www.AdminBuy.Cn */
*{margin:0;padding:0;box-sizing:border-box;}
body{font-family:"PingFang SC","Microsoft YaHei",sans-serif;color:#2d3748;line-height:1.7;background:#fff;overflow-x:hidden;}
a{text-decoration:none;color:inherit;}
ul{list-style:none;}
img{max-width:100%;}
.container{max-width:1140px;margin:0 auto;padding:0 24px;}

/* ===== 顶部细条通知 ===== */
.ab_topbar{background:#0f766e;color:#fff;font-size:13px;text-align:center;padding:8px 0;}
.ab_topbar a{color:#5eead4;font-weight:600;text-decoration:underline;}

/* ===== 导航 ===== */
.ab_nav{background:#fff;box-shadow:0 1px 0 #e2e8f0;position:sticky;top:0;z-index:100;}
.ab_nav_ab_inner{display:flex;align-items:center;justify-content:space-between;padding:18px 24px;}
.ab_logo{display:flex;align-items:center;gap:12px;}
.ab_logo_ab_mark{width:42px;height:42px;background:#0f766e;color:#fff;border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:20px;font-weight:800;}
.ab_logo b{font-size:20px;color:#1a202c;display:block;line-height:1.2;}
.ab_logo small{font-size:11px;color:#718096;letter-spacing:1px;}
.ab_menu{display:flex;gap:8px;align-items:center;}
.ab_menu a{padding:8px 16px;border-radius:6px;font-size:15px;color:#4a5568;transition:all .2s;font-weight:500;}
.ab_menu a:hover{background:#f0fdfa;color:#0f766e;}
.ab_menu a.ab_active{background:#0f766e;color:#fff;}
.ab_nav_ab_btn{padding:10px 22px;background:#0f766e;color:#fff;border-radius:6px;font-size:14px;font-weight:600;margin-left:12px;transition:background .2s;}
.ab_nav_ab_btn:hover{background:#0d9488;}
.ab_hamburger{display:none;flex-direction:column;gap:5px;cursor:pointer;}
.ab_hamburger span{width:26px;height:3px;background:#2d3748;border-radius:2px;transition:.3s;}
.ab_hamburger.ab_open span:nth-child(1){transform:translateY(8px) rotate(45deg);}
.ab_hamburger.ab_open span:nth-child(2){opacity:0;}
.ab_hamburger.ab_open span:nth-child(3){transform:translateY(-8px) rotate(-45deg);}

/* ===== Hero ===== */
.ab_hero{background:linear-gradient(180deg,#f0fdfa 0%,#fff 100%);padding:80px 0 60px;}
.ab_hero_ab_grid{display:grid;grid-template-columns:1.1fr .9fr;gap:60px;align-items:center;}
.ab_hero_ab_eyebrow{display:inline-block;background:#ccfbf1;color:#0f766e;padding:6px 16px;border-radius:20px;font-size:13px;font-weight:600;margin-bottom:24px;}
.ab_hero h1{font-size:48px;line-height:1.25;color:#1a202c;font-weight:800;margin-bottom:20px;}
.ab_hero h1 span{color:#0f766e;}
.ab_hero_ab_desc{font-size:17px;color:#4a5568;margin-bottom:32px;max-width:520px;}
.ab_hero_ab_btns{display:flex;gap:14px;flex-wrap:wrap;}
.ab_btn{padding:14px 30px;border-radius:8px;font-size:15px;font-weight:600;cursor:pointer;border:none;transition:all .25;display:inline-block;}
.ab_btn_ab_primary{background:#0f766e;color:#fff;}
.ab_btn_ab_primary:hover{background:#0d9488;transform:translateY(-2px);box-shadow:0 8px 20px rgba(15,118,110,.3);}
.ab_btn_ab_outline{background:#fff;color:#0f766e;border:2px solid #0f766e;}
.ab_btn_ab_outline:hover{background:#f0fdfa;}

/* Hero 右侧插画式卡片堆叠 */
.ab_hero_ab_visual{position:relative;height:420px;}
.ab_hero_ab_card{position:absolute;background:#fff;border-radius:16px;box-shadow:0 10px 40px rgba(15,118,110,.1);padding:24px;}
.ab_hero_ab_card1{top:0;left:0;width:280px;transform:rotate(-3deg);}
.ab_hero_ab_card2{top:80px;right:0;width:260px;transform:rotate(2deg);}
.ab_hero_ab_card3{bottom:0;left:40px;width:300px;transform:rotate(-1deg);}
.ab_hero_ab_card_ab_tag{display:inline-block;font-size:11px;padding:3px 10px;border-radius:10px;margin-bottom:12px;}
.ab_tag_ab_green{background:#d1fae5;color:#059669;}
.ab_tag_ab_blue{background:#dbeafe;color:#2563eb;}
.ab_tag_ab_orange{background:#fed7aa;color:#ea580c;}
.ab_hero_ab_card h4{font-size:16px;color:#1a202c;margin-bottom:8px;}
.ab_hero_ab_card p{font-size:13px;color:#718096;}
.ab_hero_ab_card_ab_num{font-size:32px;font-weight:800;color:#0f766e;line-height:1;margin:10px 0;}

/* ===== 数据条带 ===== */
.ab_stats{background:#0f766e;color:#fff;padding:40px 0;}
.ab_stats_ab_grid{display:grid;grid-template-columns:repeat(4,1fr);gap:30px;text-align:center;}
.ab_stat_ab_num{font-size:42px;font-weight:800;line-height:1;}
.ab_stat_ab_num small{font-size:18px;margin-left:2px;}
.ab_stat_ab_label{font-size:14px;opacity:.85;margin-top:8px;}

/* ===== 服务 ===== */
.ab_section{padding:90px 0;}
.ab_sec_ab_head{text-align:center;margin-bottom:56px;}
.ab_sec_ab_eyebrow{color:#0f766e;font-size:14px;font-weight:700;letter-spacing:2px;text-transform:uppercase;margin-bottom:12px;}
.ab_sec_ab_title{font-size:36px;font-weight:800;color:#1a202c;}
.ab_sec_ab_desc{color:#718096;font-size:16px;margin-top:12px;max-width:560px;margin-left:auto;margin-right:auto;}

.ab_svc_ab_list{display:grid;grid-template-columns:1fr 1fr;gap:20px;}
.ab_svc_ab_item{display:flex;gap:20px;padding:28px 24px;border-radius:12px;background:#f8fafc;border-left:4px solid transparent;transition:all .3s;}
.ab_svc_ab_item:hover{background:#fff;border-left-color:#0f766e;box-shadow:0 8px 24px rgba(15,118,110,.08);transform:translateX(6px);}
.ab_svc_ab_icon{width:56px;height:56px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:26px;flex-shrink:0;color:#fff;}
.ab_svc_ab_item:nth-child(1) .ab_svc_ab_icon{background:linear-gradient(135deg,#0f766e,#14b8a6);}
.ab_svc_ab_item:nth-child(2) .ab_svc_ab_icon{background:linear-gradient(135deg,#2563eb,#3b82f6);}
.ab_svc_ab_item:nth-child(3) .ab_svc_ab_icon{background:linear-gradient(135deg,#ea580c,#f97316);}
.ab_svc_ab_item:nth-child(4) .ab_svc_ab_icon{background:linear-gradient(135deg,#7c3aed,#8b5cf6);}
.ab_svc_ab_item:nth-child(5) .ab_svc_ab_icon{background:linear-gradient(135deg,#059669,#10b981);}
.ab_svc_ab_item:nth-child(6) .ab_svc_ab_icon{background:linear-gradient(135deg,#db2777,#ec4899);}
.ab_svc_ab_info h3{font-size:18px;font-weight:700;color:#1a202c;margin-bottom:8px;}
.ab_svc_ab_info p{font-size:14px;color:#718096;line-height:1.7;}
.ab_svc_ab_link{display:inline-block;margin-top:10px;color:#0f766e;font-size:13px;font-weight:600;}
.ab_svc_ab_link:hover{text-decoration:underline;}

/* ===== 流程横向时间线 ===== */
.ab_process{background:#f8fafc;}
.ab_proc_ab_steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;position:relative;}
.ab_proc_ab_steps::before{content:"";position:absolute;top:28px;left:12%;right:12%;height:2px;background:#cbd5e0;}
.ab_proc_ab_item{text-align:center;padding:0 20px;position:relative;}
.ab_proc_ab_num{width:56px;height:56px;border-radius:50%;background:#fff;border:3px solid #0f766e;color:#0f766e;font-size:20px;font-weight:800;display:flex;align-items:center;justify-content:center;margin:0 auto 18px;position:relative;z-index:2;}
.ab_proc_ab_item h4{font-size:17px;font-weight:700;color:#1a202c;margin-bottom:8px;}
.ab_proc_ab_item p{font-size:13px;color:#718096;line-height:1.7;}

/* ===== 价格 ===== */
.ab_price_ab_grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;align-items:center;}
.ab_price_ab_card{padding:40px 32px;border-radius:16px;text-align:center;}
.ab_price_ab_card.ab_light{background:#f8fafc;border:1px solid #e2e8f0;}
.ab_price_ab_card.ab_dark{background:#0f766e;color:#fff;padding:50px 32px;box-shadow:0 20px 50px rgba(15,118,110,.3);}
.ab_price_ab_name{font-size:16px;font-weight:600;margin-bottom:8px;}
.ab_price_ab_card.ab_light .ab_price_ab_name{color:#4a5568;}
.ab_price_ab_card.ab_dark .ab_price_ab_name{color:#5eead4;}
.ab_price_ab_price{font-size:48px;font-weight:800;line-height:1;margin:16px 0;}
.ab_price_ab_card.ab_light .ab_price_ab_price{color:#1a202c;}
.ab_price_ab_card.ab_dark .ab_price_ab_price{color:#fff;}
.ab_price_ab_price small{font-size:14px;font-weight:400;color:#718096;}
.ab_price_ab_card.ab_dark .ab_price_ab_price small{color:#5eead4;}
.ab_price_ab_list{margin:24px 0;text-align:left;}
.ab_price_ab_list li{padding:8px 0;font-size:14px;padding-left:24px;position:relative;}
.ab_price_ab_list li::before{content:"✓";position:absolute;left:0;font-weight:700;}
.ab_price_ab_card.ab_light .ab_price_ab_list{color:#4a5568;}
.ab_price_ab_card.ab_light .ab_price_ab_list li::before{color:#0f766e;}
.ab_price_ab_card.ab_dark .ab_price_ab_list{color:rgba(255,255,255,.9);}
.ab_price_ab_card.ab_dark .ab_price_ab_list li::before{color:#5eead4;}
.ab_price_ab_btn{display:block;padding:13px;border-radius:8px;font-size:15px;font-weight:600;}
.ab_price_ab_card.ab_light .ab_price_ab_btn{background:#fff;border:2px solid #0f766e;color:#0f766e;}
.ab_price_ab_card.ab_light .ab_price_ab_btn:hover{background:#f0fdfa;}
.ab_price_ab_card.ab_dark .ab_price_ab_btn{background:#fff;color:#0f766e;}
.ab_price_ab_card.ab_dark .ab_price_ab_btn:hover{background:#f0fdfa;}

/* ===== FAQ 手风琴 ===== */
.ab_faq{background:#f8fafc;}
.ab_faq_ab_list{max-width:760px;margin:0 auto;}
.ab_faq_ab_item{background:#fff;border-radius:12px;margin-bottom:12px;overflow:hidden;box-shadow:0 1px 3px rgba(0,0,0,.05);}
.ab_faq_ab_q{padding:20px 24px;display:flex;justify-content:space-between;align-items:center;cursor:pointer;font-weight:600;font-size:16px;color:#1a202c;}
.ab_faq_ab_q .ab_faq_ab_arrow{transition:transform .3s;color:#0f766e;font-size:14px;}
.ab_faq_ab_item.ab_open .ab_faq_ab_arrow{transform:rotate(180deg);}
.ab_faq_ab_a{max-height:0;overflow:hidden;transition:max-height .35s ease;padding:0 24px;color:#718096;font-size:14px;line-height:1.8;}
.ab_faq_ab_item.ab_open .ab_faq_ab_a{max-height:300px;padding:0 24px 20px;}

/* ===== 留言表单 ===== */
.ab_contact{background:linear-gradient(180deg,#f8fafc 0%,#fff 100%);}
.ab_contact_ab_wrap{display:grid;grid-template-columns:1fr 1.2fr;gap:50px;align-items:start;}
.ab_contact_ab_info h3{font-size:28px;font-weight:800;color:#1a202c;margin-bottom:16px;line-height:1.3;}
.ab_contact_ab_info p{font-size:15px;color:#718096;line-height:1.8;margin-bottom:28px;}
.ab_contact_ab_line{display:flex;align-items:center;gap:14px;padding:12px 0;}
.ab_contact_ab_line_icon{width:44px;height:44px;border-radius:10px;background:#f0fdfa;display:flex;align-items:center;justify-content:center;font-size:20px;flex-shrink:0;}
.ab_contact_ab_line b{display:block;font-size:15px;color:#1a202c;}
.ab_contact_ab_line small{font-size:13px;color:#718096;}
.ab_form{background:#fff;padding:36px;border-radius:16px;box-shadow:0 8px 30px rgba(15,118,110,.08);border:1px solid #e2e8f0;}
.ab_form_ab_title{font-size:20px;font-weight:700;color:#1a202c;margin-bottom:6px;}
.ab_form_ab_sub{font-size:13px;color:#718096;margin-bottom:24px;}
.ab_form_ab_row{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:16px;}
.ab_form_ab_group{margin-bottom:16px;}
.ab_form_ab_group label{display:block;font-size:13px;font-weight:600;color:#4a5568;margin-bottom:6px;}
.ab_form_ab_group label span{color:#ef4444;}
.ab_form_ab_group input,.ab_form_ab_group select,.ab_form_ab_group textarea{width:100%;padding:11px 14px;border:1.5px solid #e2e8f0;border-radius:8px;font-size:14px;color:#2d3748;outline:none;transition:border-color .2s;font-family:inherit;background:#fff;}
.ab_form_ab_group input:focus,.ab_form_ab_group select:focus,.ab_form_ab_group textarea:focus{border-color:#0f766e;box-shadow:0 0 0 3px rgba(15,118,110,.1);}
.ab_form_ab_group textarea{resize:vertical;min-height:100px;}
.ab_form_ab_submit{width:100%;padding:14px;background:#0f766e;color:#fff;border:none;border-radius:8px;font-size:15px;font-weight:600;cursor:pointer;transition:all .25;}
.ab_form_ab_submit:hover{background:#0d9488;transform:translateY(-2px);box-shadow:0 8px 20px rgba(15,118,110,.3);}
.ab_form_ab_tip{text-align:center;font-size:12px;color:#a0aec0;margin-top:12px;}

/* ===== CTA ===== */
.ab_cta{background:linear-gradient(135deg,#0f766e 0%,#0d9488 100%);color:#fff;text-align:center;padding:80px 0;}
.ab_cta h2{font-size:36px;font-weight:800;margin-bottom:16px;}
.ab_cta p{font-size:17px;opacity:.9;margin-bottom:32px;}
.ab_cta .ab_btn{background:#fff;color:#0f766e;}
.ab_cta .ab_btn:hover{transform:translateY(-2px);box-shadow:0 10px 25px rgba(0,0,0,.2);}

/* ===== 页脚 ===== */
.ab_footer{background:#1a202c;color:#a0aec0;padding:60px 0 0;}
.ab_footer_ab_grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:40px;border-bottom:1px solid #2d3748;}
.ab_footer h4{color:#fff;font-size:16px;margin-bottom:16px;}
.ab_footer a{display:block;padding:4px 0;font-size:14px;color:#a0aec0;transition:color .2s;}
.ab_footer a:hover{color:#5eead4;}
.ab_footer p{font-size:14px;line-height:1.8;}
.ab_footer_ab_bottom{text-align:center;padding:20px 0;font-size:13px;color:#4a5568;}

/* ===== 悬浮 ===== */
.ab_float_ab_kefu{position:fixed;right:20px;bottom:30px;z-index:99;}
.ab_float_ab_kefu_btn{width:60px;height:60px;border-radius:50%;background:#0f766e;color:#fff;display:flex;align-items:center;justify-content:center;flex-direction:column;box-shadow:0 6px 20px rgba(15,118,110,.4);cursor:pointer;transition:transform .25s;}
.ab_float_ab_kefu_btn:hover{transform:scale(1.08);}
.ab_float_ab_kefu_btn i{font-style:normal;font-size:22px;}
.ab_float_ab_kefu_btn span{font-size:10px;margin-top:2px;}
.ab_back_top{position:fixed;right:20px;bottom:100px;width:44px;height:44px;border-radius:50%;background:#fff;color:#0f766e;display:flex;align-items:center;justify-content:center;cursor:pointer;box-shadow:0 4px 12px rgba(0,0,0,.12);opacity:0;visibility:hidden;transition:all .3s;z-index:98;font-size:16px;}
.ab_back_top.ab_show{opacity:1;visibility:visible;}

/* 弹窗 */
.ab_modal{display:none;position:fixed;inset:0;z-index:999;background:rgba(0,0,0,.5);align-items:center;justify-content:center;}
.ab_modal.ab_show{display:flex;}
.ab_modal_ab_box{background:#fff;border-radius:16px;width:90%;max-width:360px;padding:36px 28px;text-align:center;position:relative;}
.ab_modal_ab_close{position:absolute;top:12px;right:16px;width:30px;height:30px;border-radius:50%;background:#f1f5f9;display:flex;align-items:center;justify-content:center;cursor:pointer;font-size:16px;color:#718096;}
.ab_modal_ab_icon{font-size:48px;margin-bottom:12px;}
.ab_modal_ab_title{font-size:20px;font-weight:700;color:#1a202c;margin-bottom:6px;}
.ab_modal_ab_sub{font-size:13px;color:#718096;margin-bottom:20px;}
.ab_modal_ab_phone{font-size:26px;font-weight:800;color:#0f766e;margin-bottom:16px;}
.ab_modal_ab_btn{display:block;width:100%;padding:12px;background:#0f766e;color:#fff;border-radius:8px;font-size:15px;font-weight:600;}

/* 移动端菜单 */
.ab_mobile_menu{display:none;position:fixed;top:0;left:0;right:0;bottom:0;background:#fff;z-index:200;padding:80px 30px 30px;transform:translateX(100%);transition:transform .35s ease;overflow-y:auto;}
.ab_mobile_menu.ab_open{transform:translateX(0);}
.ab_mobile_menu a{display:block;padding:14px 0;font-size:18px;color:#2d3748;border-bottom:1px solid #e2e8f0;}

/* ===== 响应式 ===== */
@media (max-width:992px){
  .ab_hero_ab_grid{grid-template-columns:1fr;gap:40px;}
  .ab_hero h1{font-size:36px;}
  .ab_svc_ab_list,.ab_price_ab_grid{grid-template-columns:1fr;}
  .ab_proc_ab_steps{grid-template-columns:1fr 1fr;gap:30px;}
  .ab_proc_ab_steps::before{display:none;}
  .ab_stats_ab_grid{grid-template-columns:1fr 1fr;gap:24px;}
  .ab_footer_ab_grid{grid-template-columns:1fr 1fr;}
  .ab_contact_ab_wrap{grid-template-columns:1fr;gap:36px;}
  .ab_menu{display:none;}
  .ab_hamburger{display:flex;}
  .ab_nav_ab_btn{display:none;}
  .ab_mobile_menu{display:block;}
}
@media (max-width:640px){
  .ab_hero h1{font-size:28px;}
  .ab_sec_ab_title{font-size:26px;}
  .ab_price_ab_grid,.ab_proc_ab_steps{grid-template-columns:1fr;}
  .ab_stats_ab_grid{grid-template-columns:1fr 1fr;}
  .ab_hero_ab_visual{height:auto;}
  .ab_hero_ab_card{position:relative;transform:none!important;margin-bottom:16px;left:auto!important;right:auto!important;top:auto!important;bottom:auto!important;width:100%!important;}
  .ab_form_ab_row{grid-template-columns:1fr;}
  .ab_form{padding:24px 20px;}
}