/* AB模板网 整站模板下载 */
/* 模板：Www.AdminBuy.Cn */
@import url('https://fonts.googleapis.com/css2?family=Noto+Serif+SC:wght@400;700;900&display=swap');
*{margin:0;padding:0;box-sizing:border-box;}
body{
  font-family:"Noto Serif SC","Songti SC",serif;
  background:#faf7f0;
  color:#2d3a33;
  line-height:1.8;
  overflow-x:hidden;
}
a{text-decoration:none;color:inherit;}
ul{list-style:none;}
.container{max-width:1080px;margin:0 auto;padding:0 24px;}
:root{
  --ab-green:#2d4a3e;
  --ab-cream:#faf7f0;
  --ab-brass:#b8893a;
  --ab-brown:#3a2e22;
  --ab-line:#d9d2c0;
}

/* ===== 顶部条 ===== */
.ab_top{background:var(--ab-green);color:#e8e0cc;text-align:center;padding:8px 0;font-size:13px;letter-spacing:2px;}
.ab_top b{color:var(--ab-brass);}

/* ===== 导航 ===== */
.ab_nav{background:var(--ab-cream);border-bottom:1px solid var(--ab-line);position:sticky;top:0;z-index:100;}
.ab_nav_inner{display:flex;align-items:center;justify-content:space-between;height:64px;}
.ab_logo{display:flex;align-items:baseline;gap:10px;}
.ab_logo b{font-size:22px;font-weight:900;color:var(--ab-green);letter-spacing:2px;}
.ab_logo small{font-size:11px;color:var(--ab-brass);letter-spacing:3px;}
.ab_menu{display:flex;gap:4px;}
.ab_menu a{padding:6px 16px;font-size:14px;color:#555;border-bottom:2px solid transparent;transition:all .2s;}
.ab_menu a:hover,.ab_menu a.ab_active{color:var(--ab-green);border-bottom-color:var(--ab-brass);}
.ab_nav_phone{font-size:15px;font-weight:700;color:var(--ab-green);}
.ab_hamburger{display:none;flex-direction:column;gap:5px;cursor:pointer;}
.ab_hamburger span{width:24px;height:2px;background:var(--ab-green);}
.ab_mobile_menu{display:none;position:fixed;top:0;right:0;bottom:0;width:80%;max-width:280px;background:var(--ab-cream);z-index:200;padding:90px 30px;transform:translateX(100%);transition:transform .3s;border-left:1px solid var(--ab-line);}
.ab_mobile_menu.ab_open{transform:translateX(0);}
.ab_mobile_menu a{display:block;padding:16px 0;font-size:16px;border-bottom:1px dashed var(--ab-line);}

/* ===== Hero ===== */
.ab_hero{padding:80px 0 60px;text-align:center;position:relative;}
.ab_hero::before{
  content:"老";position:absolute;top:20px;left:50%;transform:translateX(-50%);
  font-size:200px;color:rgba(45,74,62,.04);font-weight:900;line-height:1;z-index:0;
}
.ab_hero .ab_hero_in{position:relative;z-index:2;}
.ab_hero_label{font-size:13px;color:var(--ab-brass);letter-spacing:6px;margin-bottom:20px;}
.ab_hero h1{font-size:56px;font-weight:900;color:var(--ab-green);line-height:1.2;margin-bottom:20px;letter-spacing:2px;}
.ab_hero h1 em{font-style:normal;color:var(--ab-brass);}
.ab_hero p{font-size:16px;color:#666;max-width:520px;margin:0 auto 36px;}
.ab_hero_btns{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;}
.ab_btn{padding:14px 36px;font-size:15px;font-weight:700;cursor:pointer;display:inline-flex;align-items:center;gap:8px;letter-spacing:1px;transition:all .25;border:2px solid var(--ab-green);}
.ab_btn_green{background:var(--ab-green);color:var(--ab-cream);}
.ab_btn_green:hover{background:var(--ab-brown);border-color:var(--ab-brown);}
.ab_btn_line{background:transparent;color:var(--ab-green);}
.ab_btn_line:hover{background:var(--ab-green);color:var(--ab-cream);}
.ab_hero_meta{display:flex;justify-content:center;gap:40px;margin-top:50px;flex-wrap:wrap;}
.ab_hero_meta div{font-size:13px;color:#999;}
.ab_hero_meta b{display:block;font-size:28px;color:var(--ab-green);font-weight:900;}

/* ===== 时间轴故事 ===== */
.ab_story{padding:60px 0;}
.ab_story_title{text-align:center;margin-bottom:60px;}
.ab_story_title h2{font-size:36px;font-weight:900;color:var(--ab-green);}
.ab_story_title p{color:#888;margin-top:8px;font-size:14px;}
.ab_timeline{position:relative;padding-left:60px;}
.ab_timeline::before{
  content:"";position:absolute;left:20px;top:0;bottom:0;
  width:1px;background:var(--ab-line);
}
.ab_tl_item{position:relative;padding-bottom:50px;}
.ab_tl_item:last-child{padding-bottom:0;}
.ab_tl_dot{
  position:absolute;left:-52px;top:6px;
  width:40px;height:40px;border-radius:50%;
  background:var(--ab-cream);border:2px solid var(--ab-green);
  display:flex;align-items:center;justify-content:center;
  font-weight:900;color:var(--ab-green);font-size:15px;
}
.ab_tl_item h3{font-size:20px;font-weight:800;color:var(--ab-green);margin-bottom:6px;}
.ab_tl_item h3 span{color:var(--ab-brass);font-size:13px;margin-left:10px;}
.ab_tl_item p{font-size:14px;color:#666;max-width:600px;}
.ab_tl_item .ab_tl_time{font-size:12px;color:#aaa;font-style:italic;}

/* ===== 服务（横向列表） ===== */
.ab_services{background:#fff;border-top:1px solid var(--ab-line);border-bottom:1px solid var(--ab-line);padding:70px 0;}
.ab_services_grid{display:grid;grid-template-columns:1fr 1fr;gap:0;margin-top:30px;}
.ab_serv{
  padding:24px 30px;
  border-bottom:1px dashed var(--ab-line);
  display:flex;justify-content:space-between;align-items:center;
  transition:background .2s;
}
.ab_serv:nth-child(odd){border-right:1px dashed var(--ab-line);padding-left:0;}
.ab_serv:nth-child(even){padding-right:0;}
.ab_serv:hover{background:var(--ab-cream);}
.ab_serv_name{font-size:16px;font-weight:700;color:var(--ab-green);}
.ab_serv_name small{display:block;font-size:12px;color:#999;font-weight:400;margin-top:2px;}
.ab_serv_price{font-size:18px;font-weight:900;color:var(--ab-brass);white-space:nowrap;}

/* ===== 价格大字 ===== */
.ab_prices{padding:70px 0;text-align:center;}
.ab_prices h2{font-size:36px;font-weight:900;color:var(--ab-green);}
.ab_prices .ab_sub{color:#888;margin:8px 0 40px;font-size:14px;}
.ab_price_big{display:grid;grid-template-columns:repeat(3,1fr);gap:30px;}
.ab_pb{padding:30px 20px;}
.ab_pb .ab_pb_name{font-size:14px;color:#888;letter-spacing:2px;}
.ab_pb .ab_pb_num{font-size:52px;font-weight:900;color:var(--ab-green);line-height:1.1;margin:10px 0;}
.ab_pb .ab_pb_num small{font-size:18px;color:#aaa;font-weight:400;}
.ab_pb .ab_pb_note{font-size:12px;color:#999;}
.ab_pb:nth-child(2){border-left:1px solid var(--ab-line);border-right:1px solid var(--ab-line);}

/* ===== 信任清单 ===== */
.ab_trust{background:var(--ab-green);color:#e8e0cc;padding:70px 0;}
.ab_trust_grid{display:grid;grid-template-columns:1fr 1fr;gap:40px;}
.ab_trust h2{font-size:32px;font-weight:900;color:#fff;margin-bottom:20px;}
.ab_trust h2 span{color:var(--ab-brass);}
.ab_trust li{
  padding:10px 0;font-size:15px;
  padding-left:28px;position:relative;
  border-bottom:1px dashed rgba(232,224,204,.2);
}
.ab_trust li::before{content:"❧";position:absolute;left:0;color:var(--ab-brass);}

/* ===== FAQ ===== */
.ab_faq{padding:70px 0;}
.ab_faq h2{font-size:32px;font-weight:900;color:var(--ab-green);text-align:center;margin-bottom:30px;}
.ab_faq_item{border-bottom:1px solid var(--ab-line);}
.ab_faq_q{
  padding:18px 0;cursor:pointer;
  display:flex;justify-content:space-between;align-items:center;
  font-size:16px;font-weight:700;color:var(--ab-green);
}
.ab_faq_q .ab_faq_arrow{color:var(--ab-brass);transition:transform .3s;}
.ab_faq_item.ab_open .ab_faq_arrow{transform:rotate(45deg);}
.ab_faq_a{max-height:0;overflow:hidden;transition:max-height .3s;}
.ab_faq_item.ab_open .ab_faq_a{max-height:200px;}
.ab_faq_a p{padding:0 0 18px;color:#666;font-size:14px;}

/* ===== 预约 ===== */
.ab_book{padding:70px 0;background:#fff;border-top:1px solid var(--ab-line);}
.ab_book_wrap{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center;}
.ab_book h2{font-size:32px;font-weight:900;color:var(--ab-green);margin-bottom:14px;}
.ab_book p{color:#777;font-size:14px;}
.ab_form{background:var(--ab-cream);padding:32px;border:1px solid var(--ab-line);}
.ab_form label{display:block;font-size:12px;font-weight:700;color:var(--ab-green);margin-bottom:4px;letter-spacing:1px;}
.ab_form label i{color:var(--ab-brass);font-style:normal;}
.ab_form input,.ab_form select,.ab_form textarea{
  width:100%;padding:11px 12px;
  border:1px solid var(--ab-line);background:#fff;
  font-size:14px;outline:none;font-family:inherit;
  margin-bottom:14px;
}
.ab_form input:focus,.ab_form select:focus{border-color:var(--ab-brass);}
.ab_form_submit{
  width:100%;padding:14px;background:var(--ab-green);color:var(--ab-cream);
  border:none;font-size:15px;font-weight:700;letter-spacing:2px;cursor:pointer;
}
.ab_form_submit:hover{background:var(--ab-brown);}

/* ===== 页脚 ===== */
.ab_footer{background:var(--ab-brown);color:#998;border-top:3px solid var(--ab-brass);padding:40px 0;text-align:center;font-size:13px;line-height:2;}
.ab_footer b{color:var(--ab-brass);font-size:18px;letter-spacing:3px;display:block;margin-bottom:6px;}

/* ===== 悬浮 ===== */
.ab_float{position:fixed;right:20px;bottom:30px;z-index:99;}
.ab_float_btn{
  width:58px;height:58px;border-radius:50%;
  background:var(--ab-green);color:var(--ab-cream);
  display:flex;align-items:center;justify-content:center;flex-direction:column;
  box-shadow:0 4px 16px rgba(45,74,62,.4);cursor:pointer;
}
.ab_float_btn i{font-style:normal;font-size:20px;}
.ab_float_btn span{font-size:9px;}
.ab_back_top{
  position:fixed;right:22px;bottom:100px;width:42px;height:42px;
  background:#fff;border:1px solid var(--ab-line);
  display:flex;align-items:center;justify-content:center;cursor:pointer;
  opacity:0;visibility:hidden;transition:all .3s;z-index:98;
}
.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,.7);align-items:center;justify-content:center;}
.ab_modal.ab_show{display:flex;}
.ab_modal_box{background:var(--ab-cream);width:90%;max-width:340px;padding:40px 30px;text-align:center;position:relative;border:1px solid var(--ab-line);}
.ab_modal_close{position:absolute;top:10px;right:14px;color:#999;cursor:pointer;font-size:22px;}
.ab_modal_title{font-size:18px;font-weight:800;color:var(--ab-green);}
.ab_modal_sub{font-size:12px;color:#999;margin:6px 0 16px;}
.ab_modal_phone{font-size:26px;font-weight:900;color:var(--ab-brass);margin-bottom:16px;}
.ab_modal_btn{display:block;padding:12px;background:var(--ab-green);color:var(--ab-cream);font-weight:700;}

@media (max-width:900px){
  .ab_hero h1{font-size:38px;}
  .ab_services_grid,.ab_price_big,.ab_trust_grid,.ab_book_wrap{grid-template-columns:1fr;}
  .ab_serv:nth-child(odd){border-right:none;}
  .ab_pb:nth-child(2){border:none;}
  .ab_menu{display:none;}
  .ab_hamburger{display:flex;}
  .ab_nav_phone{display:none;}
  .ab_mobile_menu{display:block;}
  .ab_story_title h2,.ab_prices h2,.ab_faq h2,.ab_trust h2,.ab_book h2{font-size:26px;}
}