/* 91YT presentation layer. Original CMS content, links and template ordering remain intact. */
body.yt-polish{--yt-blue:#17698e;--yt-ink:#183c56;--yt-line:#dce5eb;--yt-paper:#fff;background:#f5f7f9;color:#344b5c;font:16px/1.75 "Microsoft YaHei",Arial,sans-serif;min-height:100vh;}
body.yt-polish *{box-sizing:border-box;}
body.yt-polish a{color:#255d80;text-underline-offset:4px;}
body.yt-polish a:hover{color:#123e5b;}
body.yt-polish a:focus-visible,body.yt-polish button:focus-visible,body.yt-polish input:focus-visible,body.yt-polish textarea:focus-visible{outline:3px solid #2394c6;outline-offset:4px;}
body.yt-polish #container{width:calc(100% - 64px);max-width:1200px;margin:0 auto;}
body.yt-polish #header{height:auto;min-height:154px;display:grid;grid-template-columns:1.05fr 1fr;align-items:center;gap:4px 32px;padding:26px 0;background:none;}
body.yt-polish #logo{position:static;grid-row:1/3;}
body.yt-polish #logo img{display:block;width:453px;max-width:100%;height:auto;}
body.yt-polish #logo_word{display:none;}
body.yt-polish #hot_line{position:static;width:auto;text-align:left;font-size:13px;color:#567183;}
body.yt-polish #mf_line{position:static;font:500 14px/1.8 "Microsoft YaHei",Arial,sans-serif;color:#315d79;}
body.yt-polish #hot_line,body.yt-polish #mf_line{text-wrap:pretty;}
body.yt-polish #mf_line>br:first-child{display:none;}
body.yt-polish #mf_line span{color:#17698e;font-family:inherit;font-weight:700;}
body.yt-polish #menu{height:auto;min-height:104px;background:#fff;border:1px solid var(--yt-line);border-radius:10px;padding:14px 12px 48px;position:relative;box-shadow:0 3px 12px #183c5608;}
body.yt-polish #l_nav,body.yt-polish #r_nav,body.yt-polish #r_now_nav{display:none;}
body.yt-polish #now_nav{background:none;position:absolute;right:16px;top:auto;bottom:13px;width:auto;height:auto;line-height:1.5;text-indent:0;color:#667e8e;font-size:12px;}
body.yt-polish .ynav{height:auto;}
body.yt-polish #mtabs{position:relative;left:auto;top:auto;display:flex;flex-wrap:wrap;gap:4px;}
body.yt-polish #mtabs li{position:static;float:none;width:auto;height:auto;margin:0;line-height:1.5;background:none;}
body.yt-polish #mtabs li>a,body.yt-polish #mtabs li>span>a{display:flex;align-items:center;justify-content:center;width:auto;min-height:44px;padding:8px 22px;border-radius:6px;background:none;color:#234d67;font-size:16px;font-weight:600;line-height:1.5;text-decoration:none;}
body.yt-polish #mtabs li.navs>a,body.yt-polish #mtabs li.navs>span>a{background:#e8f2f8;color:#145b80;padding-top:8px;}
body.yt-polish #mtabs #nav_0>a:link,body.yt-polish #mtabs #nav_0>a:visited,body.yt-polish #mtabs #nav_0>a:hover{display:flex;width:auto;min-width:70px;min-height:44px;line-height:1.5;padding:8px 22px;background:none;color:#234d67;}
body.yt-polish #mtabs li.navs>a:link,body.yt-polish #mtabs li.navs>a:visited,body.yt-polish #mtabs #nav_0.navs>a:link,body.yt-polish #mtabs #nav_0.navs>a:visited{background:#e8f2f8;color:#145b80;padding-top:8px;font-weight:600;width:auto;line-height:1.5;display:flex;}
body.yt-polish #mtabs li>span{width:auto;height:auto;display:block;background:none;}
body.yt-polish #mtabs li>span>a:link,body.yt-polish #mtabs li>span>a:visited{width:auto;display:flex;line-height:1.5;background:none;color:#234d67;font-weight:600;}
body.yt-polish #mtabs li.navs>span>a:link,body.yt-polish #mtabs li.navs>span>a:visited{background:#e8f2f8;color:#145b80;}
body.yt-polish #mtabs li>a:hover,body.yt-polish #mtabs li>span>a:hover{background:#edf5f9;color:#145b80;}
body.yt-polish #mtabs li dl{position:absolute;top:calc(100% + 8px);left:4px;max-width:calc(100% - 160px);width:auto;height:auto;font-size:13px;line-height:1.5;z-index:12;}
body.yt-polish #mtabs #nav_0 dl{top:calc(100% + 8px);left:4px;width:calc(100% - 160px);max-width:none;text-align:left;}
body.yt-polish #mtabs li dl dd{float:left;}
body.yt-polish #mtabs li dl a,body.yt-polish #mtabs li dl span{background:none;display:block;width:auto;color:#41677f;font-weight:400;padding:0 3px;line-height:1.6;}
body.yt-polish #mtabs li dl a:link,body.yt-polish #mtabs li dl a:visited,body.yt-polish #mtabs #nav_0 dl a:link,body.yt-polish #mtabs #nav_0 dl a:visited{background:none;width:auto;color:#41677f;font-weight:400;line-height:1.6;padding:0 3px;}
body.yt-polish #mtabs li dl a:hover{color:#145b80;text-decoration:underline;}
body.yt-polish #mainContent,body.yt-polish #mainContent_space{display:flow-root;background:none;padding:0 0 28px;}
body.yt-polish #sitelocal{height:auto;min-height:48px;background:none;text-align:left;padding:12px 0;color:#6b7d89;font-size:14px;}
body.yt-polish #sidebar{width:250px;float:left;}
body.yt-polish #content{width:calc(100% - 278px);float:right;min-width:0;}
body.yt-polish #big_tel{height:auto;margin-bottom:16px;padding:10px;background:white;border:1px solid var(--yt-line);border-radius:8px;}
body.yt-polish #big_tel img{width:100%;height:auto;display:block;}
body.yt-polish #sidebar_ym,body.yt-polish #sidebar_case,body.yt-polish #sidebar_other{background:#fff;border:1px solid var(--yt-line);border-radius:8px;overflow:visible;margin-bottom:16px;}
body.yt-polish #sidebar_ym #ym_top,body.yt-polish #sidebar_case #case_top,body.yt-polish #sidebar_other #other_top{height:auto;min-height:48px;position:static;background:none;border-bottom:1px solid var(--yt-line);text-indent:0;padding:14px 18px;color:var(--yt-ink);font-size:15px;font-weight:700;line-height:1.6;}
body.yt-polish #sidebar_other #biz_title{position:static;width:auto;height:auto;background:none;text-indent:0;line-height:1.6;}
body.yt-polish #sidebar_ym ul,body.yt-polish #sidebar_case ul,body.yt-polish #sidebar_other ul{background:none;padding:8px 16px;}
body.yt-polish #sidebar_ym ul li,body.yt-polish #sidebar_case ul li,body.yt-polish #sidebar_other ul li{margin:0;padding:0;background:none;border-bottom:1px solid #edf1f4;}
body.yt-polish #sidebar_ym ul li:last-child,body.yt-polish #sidebar_case ul li:last-child,body.yt-polish #sidebar_other ul li:last-child{border-bottom:0;}
body.yt-polish #sidebar_ym ul li a,body.yt-polish #sidebar_case ul li a,body.yt-polish #sidebar_other ul li a,body.yt-polish #sidebar_other ul li .over{display:block;background:none;height:auto;min-height:44px;padding:10px 0;line-height:1.6;font-size:14px;}
body.yt-polish #sidebar_ym #ym_bottom,body.yt-polish #sidebar_case #case_bottom,body.yt-polish #sidebar_other #other_bottom{height:0;padding:0;background:none;}
body.yt-polish #ym_top_space{position:static;}
body.yt-polish #ym_top_space_img{position:static;}
body.yt-polish #sidebar_ym #ym_top_space_img{position:static;}
body.yt-polish #ym_top_space_img img{display:block;max-width:100%;height:auto;margin:auto;}
body.yt-polish .line_space{padding:0;height:16px;background:none;}
body.yt-polish #main_bottom,body.yt-polish #main_bottom_space{height:0;background:none;}
body.yt-polish #MainPromotionBanner{width:100%;height:auto;overflow:hidden;border-radius:10px;background:#f7f6f2;border:1px solid var(--yt-line);}
body.yt-polish #MainPromotionBanner #SlidePlayer,body.yt-polish #MainPromotionBanner .Slides,body.yt-polish #MainPromotionBanner .Slides li{width:100%;height:auto;float:none;}
body.yt-polish #MainPromotionBanner .Slides img{width:100%;height:auto;display:block;}
body.yt-polish .yt-visual{position:relative;margin:0;background:#f7f6f2;border-radius:10px;overflow:hidden;}
body.yt-polish .yt-visual picture,body.yt-polish .yt-visual img{display:block;width:100%;height:auto;}
body.yt-polish .yt-visual figcaption{position:absolute;left:12px;bottom:12px;padding:5px 10px;background:#fffffff0;color:#4a6272;border-radius:4px;font-size:12px;line-height:1.5;}
body.yt-polish #abt_ad{height:auto;margin-bottom:16px;}
body.yt-polish #abt_ad>img{display:block;width:100%;height:auto;max-height:190px;object-fit:contain;border-radius:8px;}
body.yt-polish #abt_ad .yt-visual{border:1px solid var(--yt-line);}
body.yt-polish #abt_ad .yt-visual img{max-height:340px;object-fit:contain;}
body.yt-polish #con_tc{width:100%;display:grid;grid-template-columns:1.45fr 1fr;gap:18px;}
body.yt-polish #con_tc>.clear{display:none;}
body.yt-polish #con_tc_left,body.yt-polish #con_tc_ppt{float:none;width:auto;height:auto;background:#fff;border:1px solid var(--yt-line);border-radius:8px;overflow:hidden;}
body.yt-polish #con_tc_left h2,body.yt-polish #con_tclist h2,body.yt-polish #con_tclist .h2class,body.yt-polish #con_jy h5{background:none;color:var(--yt-ink);font-size:24px;line-height:1.5;padding:22px 26px;border-bottom:1px solid var(--yt-line);}
body.yt-polish #con_jy h5 .big_s{font-size:inherit;}
body.yt-polish #con_tc_left p.ly{font-size:15px;line-height:1.85;padding:20px 26px;}
body.yt-polish #con_tc_left p.last,body.yt-polish #con_tclist p.last{background:none;height:0;padding:0;}
body.yt-polish #con_tc_ppt div.ly{padding:20px;font-size:15px;}
body.yt-polish #focus{margin-top:12px;}
body.yt-polish #focus .p8rollpic,body.yt-polish #focus .slideshow,body.yt-polish #focus .slideshow li{width:100%;height:230px;}
body.yt-polish #focus .slideshow li a{width:100%;display:block;}
body.yt-polish #focus .slideshow img{width:100%;height:230px;object-fit:contain;}
body.yt-polish #con_tclist,body.yt-polish #con_jy{display:flow-root;background:#fff;border:1px solid var(--yt-line);border-radius:8px;overflow:hidden;}
body.yt-polish #con_tclist #ly{padding:24px;}
body.yt-polish .caseList{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;width:100%;padding:0;letter-spacing:normal;font-size:16px;}
body.yt-polish .caseList li,body.yt-polish .caseList .end{float:none;width:auto;height:auto;min-width:0;padding:0;margin:0;background:#f6f8fa;border:1px solid #e4ebf0;border-radius:7px;overflow:hidden;font-size:15px;line-height:1.6;}
body.yt-polish .caseList li:hover{background:#eef5f9;}
body.yt-polish .caseList img{width:100%;height:auto;aspect-ratio:4/3;object-fit:contain;background:#fff;}
body.yt-polish .caseList p{width:auto;min-height:64px;display:flex;align-items:center;padding:12px;}
body.yt-polish #con_tclist #ly_pay{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;padding:24px;background:none;}
body.yt-polish #ly_pay>.line{display:none;}
body.yt-polish #con_tclist .pay_company{margin:0;border:1px solid #e0e8ee;border-radius:8px;background:#fbfcfd;overflow:hidden;}
body.yt-polish #con_tclist .pay_company .pay{float:none;padding:20px 20px 0;}
body.yt-polish #con_tclist .pay_company .pay img.img1{float:none;display:block;width:100%;height:auto;aspect-ratio:4/3;object-fit:contain;background:#fff;border:0;margin:0;}
body.yt-polish #con_tclist .pay_company .right_pay{float:none;border:0;padding:18px 20px;color:#5c7180;font-size:14px;line-height:1.9;}
body.yt-polish .yt-product-name{font-size:17px;font-weight:700;color:var(--yt-ink);}
body.yt-polish .right_pay a{display:inline-block;min-height:32px;}
body.yt-polish .right_pay a:has(img){padding:8px 12px;border:1px solid #b6cedd;border-radius:5px;background:white;min-height:44px;vertical-align:middle;}
body.yt-polish #con_tclist .pagination{grid-column:1/-1;float:none;}
body.yt-polish #con_jy #con_jyly{padding:28px;line-height:1.85;overflow-wrap:anywhere;}
body.yt-polish #con_jyly p{line-height:1.85;margin-bottom:18px;}
body.yt-polish #con_jyly img{max-width:100%;height:auto!important;}
body.yt-polish #con_jyly table{max-width:100%;}
body.yt-polish #preNext{float:none;clear:both;padding:22px 28px;border-top:1px solid var(--yt-line);font-size:14px;line-height:2;}
body.yt-polish #footer,body.yt-polish #footer_ly{height:auto;background:#eaf0f5;border-top:1px solid #d8e3eb;margin-top:12px;padding:28px 0 100px;}
body.yt-polish #footer #footer{background:none;border:0;padding:0;margin:0;}
body.yt-polish #footer_line{display:none;}
body.yt-polish #footer_content,body.yt-polish #footer_content_ly{width:calc(100% - 64px);max-width:1200px;height:auto;background:none;margin:0 auto;text-align:left;}
body.yt-polish #footer_menu{width:auto;padding:0;}
body.yt-polish #footer_menu ul{display:flex;flex-wrap:wrap;gap:4px 18px;}
body.yt-polish #footer_content ul li{float:none;padding:0;}
body.yt-polish #footer_menu a{display:block;min-height:40px;font-size:14px;padding:6px 0;}
body.yt-polish #footer_content #word{padding-top:16px;border-top:1px solid #d4e0e9;margin-top:10px;font-size:13px;line-height:1.9;overflow-wrap:anywhere;}
body.yt-polish .foot_space{padding:0;}
body.yt-polish .yt-contact{border:1px solid #c9dde8;background:#edf5fa;border-radius:8px;padding:22px;margin:0 0 24px;}
body.yt-polish .yt-contact-title{color:var(--yt-ink);font-size:19px;font-weight:700;line-height:1.5;}
body.yt-polish .yt-contact-copy{font-size:14px;color:#4e687a;line-height:1.75;margin:10px 0 16px;}
body.yt-polish .yt-contact-actions{display:flex;flex-wrap:wrap;gap:12px;align-items:center;}
body.yt-polish .yt-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:11px 20px;border:1px solid #17698e;border-radius:5px;background:#17698e;color:#fff;font:600 16px/1.5 "Microsoft YaHei",Arial,sans-serif;cursor:pointer;text-decoration:none;}
body.yt-polish .yt-btn:hover{background:#115777;color:white;text-decoration:none;}
body.yt-polish .yt-btn-secondary{background:#fff;color:#195e81;border-color:#adc6d5;}
body.yt-polish .yt-btn-secondary:hover{background:#f6fafc;color:#195e81;}
body.yt-polish .yt-dock{position:fixed;right:24px;bottom:24px;z-index:50;display:flex;gap:8px;padding:8px;background:#ffffffed;border:1px solid #d1dfe8;border-radius:8px;box-shadow:0 8px 28px #183c561a;}
body.yt-polish .yt-dialog-mask{position:fixed;inset:0;background:#102b3c66;z-index:1000;display:flex;align-items:center;justify-content:center;padding:24px;}
body.yt-polish .yt-dialog-mask[hidden]{display:none;}
body.yt-polish .yt-dialog{position:relative;width:420px;max-width:100%;max-height:calc(100dvh - 48px);overflow:auto;background:#fff;border-radius:12px;padding:32px;box-shadow:0 20px 70px #132e3e33;}
body.yt-polish .yt-dialog-title{font-size:22px;color:var(--yt-ink);font-weight:700;margin-right:25px;}
body.yt-polish .yt-dialog p{font-size:15px;line-height:1.8;margin:12px 0;color:#4f6878;text-align:left;}
body.yt-polish .yt-dialog-close{position:absolute;right:10px;top:10px;border:0;background:none;width:44px;height:44px;font-size:28px;color:#526b7b;cursor:pointer;}
body.yt-polish .yt-wechat-id{width:100%;padding:12px;margin:12px 0;border:1px solid #bfd4df;border-radius:6px;background:#f6fafc;color:var(--yt-ink);font:21px/1.5 Arial,sans-serif;text-align:center;user-select:all;}
body.yt-polish .yt-copy{width:100%;}
body.yt-polish .yt-copy-status{min-height:28px;margin:8px 0;font-size:14px;line-height:1.6;color:#315e79;}
body.yt-polish .yt-legacy-form-wrap{position:static!important;float:none!important;overflow:visible!important;width:calc(100% - 32px)!important;max-width:420px!important;height:auto!important;margin:24px auto 100px!important;}
body.yt-polish .yt-legacy-form-wrap #ffbform{width:auto;}
body.yt-polish #sogoubox{width:auto;border:1px solid #cfdee8;border-radius:8px;background:#fff;overflow:hidden;}
body.yt-polish #sogouh2{height:auto;background:#e9f3f9;color:#195a7b;font-size:16px;line-height:1.6;padding:14px 18px;}
body.yt-polish #ffbbody{padding:16px;background:white;height:auto;}
body.yt-polish #ffbbody textarea,body.yt-polish #ffbbody input[type=text]{width:100%;max-width:100%;font-size:16px;line-height:1.65;border:1px solid #b5cddc;border-radius:4px;padding:10px;min-height:44px;background:white;}
body.yt-polish #ffbbody .lybphone,body.yt-polish #ffbbody .lybadd{background:none;height:auto;padding:0;margin-top:10px;}
body.yt-polish #ffbbody .lybtext{padding:0;height:auto;}
body.yt-polish #ffbbody .lybfoot{height:auto;padding:8px 0 0;}
body.yt-polish #ffbsubmt{background:#17698e;color:#fff;border:0;border-radius:5px;height:auto;width:100%;min-height:44px;font-size:16px;cursor:pointer;}
body.yt-polish .yt-form-status{font-size:14px;color:#8a382d;line-height:1.7;margin-top:12px;}
@media(max-width:1100px){body.yt-polish #mtabs li>a,body.yt-polish #mtabs li>span>a{padding:8px 14px;}body.yt-polish .caseList{grid-template-columns:repeat(3,minmax(0,1fr));}body.yt-polish #con_tc{grid-template-columns:1fr;}}
@media(max-width:760px){
 body.yt-polish #container{width:calc(100% - 32px);}
 body.yt-polish #header{grid-template-columns:1fr;gap:10px;padding:24px 0 18px;min-height:0;}
 body.yt-polish #logo{grid-row:auto;}
 body.yt-polish #logo img{width:100%;max-width:453px;}
 body.yt-polish #hot_line{font-size:12px;}
 body.yt-polish #mf_line{font-size:13px;}
 body.yt-polish #menu{padding:10px 8px 86px;border-radius:8px;}
 body.yt-polish #mtabs{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:2px;}
 body.yt-polish #mtabs li>a,body.yt-polish #mtabs li>span>a{min-height:44px;padding:7px 3px;font-size:14px;}
 body.yt-polish #mtabs #nav_0>a:link,body.yt-polish #mtabs #nav_0>a:visited,body.yt-polish #mtabs #nav_0>a:hover{min-width:0;padding:7px 3px;font-size:14px;}
 body.yt-polish #mtabs li dl{left:2px;top:calc(100% + 10px);max-width:100%;font-size:12px;line-height:1.7;}
 body.yt-polish #mtabs #nav_0 dl{left:2px;top:calc(100% + 10px);width:100%;}
 body.yt-polish #now_nav{bottom:8px;font-size:11px;}
 body.yt-polish #sitelocal{font-size:13px;padding:12px 0;}
 body.yt-polish #sidebar,body.yt-polish #content{float:none;width:100%;}
 body.yt-polish #sidebar{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:20px;}
 body.yt-polish #sidebar>.line_space{display:none;}
 body.yt-polish #sidebar #big_tel{width:100%;margin:0;padding:8px 18px;}
 body.yt-polish #big_tel img{width:226px;max-width:100%;margin:auto;}
 body.yt-polish #sidebar_ym,body.yt-polish #sidebar_case{width:calc(50% - 6px);margin:0;}
 body.yt-polish #sidebar_other{width:100%;margin:0;}
 body.yt-polish #sidebar_other ul{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 12px;}
 body.yt-polish #sidebar_case #case_top,body.yt-polish #sidebar_ym #ym_top,body.yt-polish #sidebar_other #other_top{padding:10px 12px;font-size:14px;}
 body.yt-polish #sidebar_ym ul,body.yt-polish #sidebar_case ul{padding:4px 10px;}
 body.yt-polish #sidebar_ym ul li a,body.yt-polish #sidebar_case ul li a{font-size:13px;padding:8px 0;line-height:1.6;}
 body.yt-polish #sidebar_other ul li a,body.yt-polish #sidebar_other ul li .over{font-size:14px;padding:8px 0;}
 body.yt-polish #ym_top_space_img img{max-height:150px;object-fit:contain;}
 body.yt-polish #con_tc{grid-template-columns:1fr;gap:16px;}
 body.yt-polish #con_tc_left h2,body.yt-polish #con_tclist h2,body.yt-polish #con_tclist .h2class,body.yt-polish #con_jy h5{font-size:21px;padding:18px 20px;}
 body.yt-polish #con_tc_left p.ly{font-size:16px;padding:18px 20px;}
 body.yt-polish #con_tclist #ly{padding:18px;}
 body.yt-polish .caseList{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;}
 body.yt-polish .caseList p{padding:10px;font-size:14px;min-height:68px;}
 body.yt-polish #con_tclist #ly_pay{grid-template-columns:1fr;padding:18px;gap:18px;}
 body.yt-polish #con_jy #con_jyly{padding:20px;font-size:16px;}
 body.yt-polish #abt_ad>img{max-height:120px;}
 body.yt-polish #abt_ad .yt-visual img{max-height:none;}
 body.yt-polish .yt-visual figcaption{font-size:11px;bottom:8px;left:8px;}
 body.yt-polish #footer_content,body.yt-polish #footer_content_ly{width:calc(100% - 32px);}
 body.yt-polish #footer_menu ul{gap:2px 14px;}
 body.yt-polish #footer{padding-bottom:100px;}
 body.yt-polish .yt-contact{padding:18px;}
 body.yt-polish .yt-contact-actions{flex-direction:column;align-items:stretch;}
 body.yt-polish .yt-dock{right:0;left:0;bottom:0;border-radius:0;border-left:0;border-right:0;padding:8px 16px calc(8px + env(safe-area-inset-bottom));justify-content:center;gap:8px;}
 body.yt-polish .yt-dock .yt-btn{flex:1;font-size:14px;padding:10px 4px;white-space:nowrap;}
 body.yt-polish .yt-dialog-mask{padding:16px;}
 body.yt-polish .yt-dialog{padding:28px 24px;max-height:calc(100dvh - 32px);}
}
@media(prefers-reduced-motion:reduce){body.yt-polish *,body.yt-polish *::before,body.yt-polish *::after{scroll-behavior:auto;transition:none;animation:none;}}

/* Refined original blue identity: clear typography, less card chrome, stronger real-photo scale. */
body.yt-polish{--yt-blue:#0874b4;--yt-ink:#183d57;--yt-line:#dce8ef;background:#fff;color:#485f70;}
body.yt-polish #header{min-height:122px;padding:20px 0;gap:6px 40px;}
body.yt-polish #hot_line{font-size:12px;color:#667d8d;}
body.yt-polish #mf_line{font-size:13px;line-height:1.9;}
body.yt-polish #menu{min-height:0;padding:0 0 43px;border:0;border-bottom:1px solid var(--yt-line);border-radius:0;background:#fff;box-shadow:none;}
body.yt-polish #mtabs{gap:0;padding:0 8px;background:#086ba4;border-radius:3px 3px 0 0;}
body.yt-polish #mtabs li{flex:1;}
body.yt-polish #mtabs li>a,body.yt-polish #mtabs li>span>a,
body.yt-polish #mtabs #nav_0>a:link,body.yt-polish #mtabs #nav_0>a:visited,body.yt-polish #mtabs #nav_0>a:hover,
body.yt-polish #mtabs li>span>a:link,body.yt-polish #mtabs li>span>a:visited{padding:14px 10px;min-height:52px;border-radius:0;background:none;color:#fff;font-size:15px;line-height:1.6;}
body.yt-polish #mtabs li.navs>a:link,body.yt-polish #mtabs li.navs>a:visited,
body.yt-polish #mtabs #nav_0.navs>a:link,body.yt-polish #mtabs #nav_0.navs>a:visited,
body.yt-polish #mtabs li.navs>span>a:link,body.yt-polish #mtabs li.navs>span>a:visited{padding:14px 10px;background:#07588b;color:#fff;line-height:1.6;}
body.yt-polish #mtabs li>a:hover,body.yt-polish #mtabs li>span>a:hover{background:#07588b;color:#fff;}
body.yt-polish #mtabs li dl,body.yt-polish #mtabs #nav_0 dl{left:0;top:calc(100% + 10px);}
body.yt-polish #now_nav{right:0;bottom:12px;font-size:11px;}
body.yt-polish #sitelocal{min-height:42px;padding:10px 0;font-size:13px;}
body.yt-polish #sidebar{width:240px;}
body.yt-polish #content{width:calc(100% - 268px);}
body.yt-polish #big_tel{border:0;border-radius:0;padding:8px 0;margin-bottom:20px;}
body.yt-polish #big_tel img{width:226px;max-width:100%;margin:auto;}
body.yt-polish #sidebar_ym,body.yt-polish #sidebar_case,body.yt-polish #sidebar_other{border:0;border-top:2px solid #1581bb;border-radius:0;background:#f6f9fb;margin-bottom:24px;}
body.yt-polish #sidebar_ym #ym_top,body.yt-polish #sidebar_case #case_top,body.yt-polish #sidebar_other #other_top{border-bottom:1px solid var(--yt-line);padding:12px 16px;font-size:14px;}
body.yt-polish #sidebar_ym ul,body.yt-polish #sidebar_case ul,body.yt-polish #sidebar_other ul{padding:8px 16px;}
body.yt-polish #sidebar_ym ul li a,body.yt-polish #sidebar_case ul li a,body.yt-polish #sidebar_other ul li a{color:#466276;font-size:13px;}
body.yt-polish #MainPromotionBanner{border:0;border-radius:0;background:#fff;}
body.yt-polish .yt-home-intro{display:grid;grid-template-columns:.9fr 1.15fr;align-items:center;min-height:308px;border-bottom:1px solid var(--yt-line);background:#fff;}
body.yt-polish .yt-home-message{padding:20px 12px 24px 6px;}
body.yt-polish .yt-home-eyebrow{color:#0874b4;font-size:14px;font-weight:600;letter-spacing:2px;margin-bottom:15px;}
body.yt-polish .yt-home-title{color:#163d58;font-size:36px;line-height:1.4;font-weight:700;letter-spacing:.4px;}
body.yt-polish .yt-home-message p{margin:15px 0 22px;color:#637786;font-size:15px;line-height:1.85;}
body.yt-polish .yt-home-actions{display:flex;align-items:center;gap:16px;flex-wrap:wrap;}
body.yt-polish .yt-home-products{font-size:14px;font-weight:600;text-decoration:underline;}
body.yt-polish .yt-home-image{position:relative;margin:0;align-self:center;}
body.yt-polish .yt-home-image img{width:100%;height:auto;display:block;}
body.yt-polish #MainPromotionBanner .yt-home-image img{max-height:310px;object-fit:contain;}
body.yt-polish .yt-home-image figcaption{font-size:11px;color:#738795;text-align:right;line-height:1.6;padding:0 10px 8px;}
body.yt-polish .line_space{height:24px;}
body.yt-polish #con_tc{grid-template-columns:1.2fr 1fr;gap:28px;align-items:start;}
body.yt-polish #con_tc_left,body.yt-polish #con_tc_ppt{border:0;border-radius:0;background:#fff;overflow:visible;}
body.yt-polish #con_tc_left h2,body.yt-polish #con_tclist h2,body.yt-polish #con_tclist .h2class,body.yt-polish #con_jy h5{padding:0 0 15px;font-size:24px;font-weight:700;border-bottom:1px solid var(--yt-line);line-height:1.55;}
body.yt-polish #con_tc_left p.ly{padding:15px 0 0;font-size:15px;line-height:1.95;text-align:justify;}
body.yt-polish #con_tc_ppt div.ly{padding:0;font-size:17px;font-weight:700;color:#183d57;line-height:1.75;}
body.yt-polish #focus{margin-top:14px;aspect-ratio:490/450;}
body.yt-polish #focus .p8rollpic{width:100%!important;height:auto!important;}
body.yt-polish #focus .slideshow{position:relative;width:100%!important;height:auto!important;aspect-ratio:490/400;margin:0;padding:0;overflow:hidden;}
body.yt-polish #focus .slideshow li{width:100%!important;height:100%!important;margin:0;padding:0;}
body.yt-polish #focus .slideshow img{display:block;width:100%!important;height:100%!important;object-fit:contain;background:#f3f6f8;}
body.yt-polish #focus .slidebar{position:static!important;display:block!important;float:none;clear:both;width:100%;height:auto;padding-top:10px;background:none;}
body.yt-polish #focus .slidebar ul{position:static;display:flex;width:100%;justify-content:center;gap:8px;}
body.yt-polish #focus .slidebar li{float:none;display:flex;align-items:center;justify-content:center;width:44px;height:44px;margin:0;border:0;border-bottom:2px solid #dce8ef;background:#fff;color:#718592;font:13px/1 Arial,sans-serif;cursor:pointer;opacity:1;}
body.yt-polish #focus .slidebar li.on{background:#fff;color:#0874b4;border-color:#0874b4;font-weight:700;}
body.yt-polish #con_tclist,body.yt-polish #con_jy{border:0;border-radius:0;background:#fff;}
body.yt-polish #con_tclist #ly{padding:22px 0 0;}
body.yt-polish .caseList{gap:24px 18px;}
body.yt-polish .caseList li,body.yt-polish .caseList .end{border:0;border-radius:0;background:none;text-align:left;}
body.yt-polish .caseList li:hover{background:none;}
body.yt-polish .caseList img{background:#f8fafb;aspect-ratio:4/3;}
body.yt-polish .caseList p{min-height:0;display:block;padding:10px 0 0;color:#183d57;font-size:14px;line-height:1.6;}
body.yt-polish #con_tclist #ly_pay{padding:24px 0;gap:28px;}
body.yt-polish #con_tclist .pay_company{border:0;border-bottom:1px solid var(--yt-line);border-radius:0;background:#fff;}
body.yt-polish #con_tclist .pay_company .pay{padding:0;}
body.yt-polish #con_tclist .pay_company .right_pay{padding:16px 0 20px;}
body.yt-polish #con_jy #con_jyly{padding:24px 0;font-size:16px;line-height:1.9;}
body.yt-polish #abt_ad{margin-bottom:24px;}
body.yt-polish #abt_ad>img{border-radius:0;max-height:150px;}
body.yt-polish .yt-contact{border:0;border-left:3px solid #0874b4;border-radius:0;background:#f1f7fb;padding:20px 24px;}
body.yt-polish .yt-btn{background:#0874b4;border-color:#0874b4;border-radius:3px;min-height:46px;font-size:15px;padding:11px 18px;}
body.yt-polish .yt-btn:hover{background:#07598b;border-color:#07598b;}
body.yt-polish .yt-btn-secondary{background:#fff;color:#126596;border-color:#a9c7da;}
body.yt-polish .yt-btn-secondary:hover{background:#f0f7fb;color:#126596;}
body.yt-polish .yt-dock{right:20px;bottom:20px;padding:6px;border-radius:4px;box-shadow:0 4px 18px #173e5915;}
body.yt-polish #footer,body.yt-polish #footer_ly{background:#eef5f9;margin-top:28px;}
body.yt-polish .yt-menu-toggle{display:none;}
@media(min-width:761px) and (max-width:1100px){
 body.yt-polish #header{grid-template-columns:1.05fr 1fr;gap:20px;}
 body.yt-polish #mtabs li>a,body.yt-polish #mtabs li>span>a{font-size:13px;padding:14px 6px;}
 body.yt-polish #con_tc{grid-template-columns:1fr;}
 body.yt-polish #con_tc_ppt{max-width:490px;}
 body.yt-polish .yt-home-intro{grid-template-columns:1fr;}
 body.yt-polish .yt-home-message{padding:20px 0;}
 body.yt-polish .yt-home-image{max-width:540px;width:100%;}
}
@media(max-width:760px){
 body.yt-polish #header{grid-template-columns:1fr;min-height:0;padding:18px 0 16px;gap:8px;}
 body.yt-polish #hot_line{font-size:11px;}
 body.yt-polish #mf_line{font-size:12px;line-height:1.75;}
 body.yt-polish #menu{padding:0 0 52px;}
 body.yt-polish .yt-menu-toggle{display:flex;align-items:center;justify-content:space-between;width:100%;min-height:46px;border:0;border-radius:3px;background:#086ba4;color:#fff;font:600 15px/1.5 "Microsoft YaHei",Arial,sans-serif;padding:12px 16px;cursor:pointer;}
 body.yt-polish .yt-menu-toggle .yt-menu-hint{font-size:12px;font-weight:400;}
 body.yt-polish #menu.yt-menu-ready:not(.yt-menu-open){padding-bottom:0!important;}
 body.yt-polish #menu.yt-menu-ready:not(.yt-menu-open) .ynav,body.yt-polish #menu.yt-menu-ready:not(.yt-menu-open) #now_nav{display:none;}
 body.yt-polish #mtabs{padding:6px 0;gap:0;border-radius:0;}
 body.yt-polish #mtabs li{min-width:0;}
 body.yt-polish #mtabs li>a,body.yt-polish #mtabs li>span>a,
 body.yt-polish #mtabs #nav_0>a:link,body.yt-polish #mtabs #nav_0>a:visited,body.yt-polish #mtabs #nav_0>a:hover,
 body.yt-polish #mtabs li>span>a:link,body.yt-polish #mtabs li>span>a:visited,
 body.yt-polish #mtabs li.navs>a:link,body.yt-polish #mtabs li.navs>a:visited,
 body.yt-polish #mtabs #nav_0.navs>a:link,body.yt-polish #mtabs #nav_0.navs>a:visited,
 body.yt-polish #mtabs li.navs>span>a:link,body.yt-polish #mtabs li.navs>span>a:visited{font-size:14px;padding:10px 4px;min-height:44px;}
 body.yt-polish #mtabs li dl,body.yt-polish #mtabs #nav_0 dl{top:calc(100% + 8px);max-width:100%;width:100%;}
 body.yt-polish #sitelocal{font-size:12px;min-height:40px;}
 body.yt-polish #mainContent,body.yt-polish #mainContent_space{display:flex;flex-direction:column;}
 body.yt-polish #sitelocal{order:0;}
 body.yt-polish #content{order:1;float:none;width:100%;}
 body.yt-polish #sidebar{order:2;float:none;width:100%;margin:32px 0 0;gap:20px;}
 body.yt-polish #mainContent>.clear,body.yt-polish #mainContent_space>.clear{order:3;}
 body.yt-polish #big_tel{margin:0;padding:8px 0;}
 body.yt-polish #sidebar_ym,body.yt-polish #sidebar_case,body.yt-polish #sidebar_other{width:100%;margin:0;}
 body.yt-polish #sidebar_ym ul,body.yt-polish #sidebar_case ul{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 16px;padding:8px 16px;}
 body.yt-polish #sidebar_ym ul li a,body.yt-polish #sidebar_case ul li a{font-size:13px;}
 body.yt-polish .yt-home-intro{grid-template-columns:1fr;min-height:0;}
 body.yt-polish .yt-home-message{padding:12px 0 14px;}
 body.yt-polish .yt-home-eyebrow{font-size:13px;margin-bottom:12px;}
 body.yt-polish .yt-home-title{font-size:30px;line-height:1.4;}
 body.yt-polish .yt-home-message p{font-size:14px;margin:14px 0 18px;}
 body.yt-polish .yt-home-image{margin-top:6px;}
 body.yt-polish #MainPromotionBanner .yt-home-image img{max-height:none;}
 body.yt-polish .yt-home-image figcaption{padding:0 0 8px;}
 body.yt-polish #con_tc{grid-template-columns:1fr;gap:24px;}
 body.yt-polish #con_tc_left h2,body.yt-polish #con_tclist h2,body.yt-polish #con_tclist .h2class,body.yt-polish #con_jy h5{padding:0 0 13px;font-size:22px;}
 body.yt-polish #con_tc_left p.ly{padding:15px 0 0;font-size:15px;}
 body.yt-polish #con_tclist #ly{padding:18px 0 0;}
 body.yt-polish .caseList{gap:22px 14px;}
 body.yt-polish .caseList p{font-size:14px;padding:9px 0 0;}
 body.yt-polish #con_tclist #ly_pay{padding:20px 0;gap:24px;}
 body.yt-polish #con_jy #con_jyly{padding:20px 0;font-size:16px;}
 body.yt-polish #abt_ad>img{max-height:95px;}
 body.yt-polish .yt-contact{padding:18px;}
 body.yt-polish .yt-dock{left:0;right:0;bottom:0;border-radius:0;padding:8px 16px calc(8px + env(safe-area-inset-bottom));}
}

/* Owner-approved identity normalization: existing color mark, real-font wordmark, one restrained palette. */
body.yt-polish{--yt-blue:#1475a8;--yt-ink:#203e51;color:#526574;}
body.yt-polish #header{grid-template-columns:1.1fr 1fr;gap:6px 40px;min-height:124px;padding:24px 0;}
body.yt-polish #logo .yt-brand-lockup{display:flex;align-items:center;gap:16px;min-width:0;}
body.yt-polish #logo img.yt-brand-mark{display:block;flex:none;width:60px;height:60px;max-width:none;object-fit:contain;}
body.yt-polish .yt-brand-type{min-width:0;}
body.yt-polish .yt-brand-name{color:#203e51;font:700 27px/1.45 "Microsoft YaHei","PingFang SC",Arial,sans-serif;letter-spacing:1px;white-space:nowrap;}
body.yt-polish .yt-brand-english{color:#6f8391;font:400 10px/1.65 Arial,sans-serif;letter-spacing:.6px;text-transform:uppercase;white-space:nowrap;}
body.yt-polish #mf_line,body.yt-polish #hot_line{color:#657a88;}
body.yt-polish #mf_line span{color:#1475a8;}
body.yt-polish #menu{border-top:1px solid #dce8ef;}
body.yt-polish #mtabs{background:#fff;padding:0;gap:0;border-radius:0;}
body.yt-polish #mtabs li>a,body.yt-polish #mtabs li>span>a,
body.yt-polish #mtabs #nav_0>a:link,body.yt-polish #mtabs #nav_0>a:visited,body.yt-polish #mtabs #nav_0>a:hover,
body.yt-polish #mtabs li>span>a:link,body.yt-polish #mtabs li>span>a:visited{color:#344f61;background:#fff;min-height:56px;border-bottom:2px solid transparent;padding:15px 10px;font-weight:600;}
body.yt-polish #mtabs li.navs>a:link,body.yt-polish #mtabs li.navs>a:visited,
body.yt-polish #mtabs #nav_0.navs>a:link,body.yt-polish #mtabs #nav_0.navs>a:visited,
body.yt-polish #mtabs li.navs>span>a:link,body.yt-polish #mtabs li.navs>span>a:visited{color:#1475a8;background:#fff;border-color:#1475a8;padding:15px 10px;}
body.yt-polish #mtabs li>a:hover,body.yt-polish #mtabs li>span>a:hover{background:#f3f8fb;color:#1475a8;}
body.yt-polish #big_tel{padding:14px 16px 16px;background:#f3f8fb;border-radius:0;}
body.yt-polish .yt-phone-label{display:block;color:#5b7282;font-size:12px;letter-spacing:1px;line-height:1.6;margin-bottom:5px;}
body.yt-polish .yt-phone-number{display:block;color:#1475a8;font:600 23px/1.5 Arial,sans-serif;letter-spacing:.4px;white-space:nowrap;}
body.yt-polish .yt-home-title{color:#203e51;}
body.yt-polish .yt-home-eyebrow,body.yt-polish .yt-home-products{color:#1475a8;}
body.yt-polish #sidebar_ym,body.yt-polish #sidebar_case,body.yt-polish #sidebar_other{border-top-color:#b8d4e4;}
body.yt-polish #con_tc_ppt div.ly,body.yt-polish .caseList p{color:#203e51;}
body.yt-polish .yt-btn{background:#1475a8;border-color:#1475a8;}
body.yt-polish .yt-btn:hover{background:#105d87;border-color:#105d87;}
body.yt-polish .yt-btn-secondary{color:#1475a8;background:#fff;border-color:#b6cedc;}
body.yt-polish .yt-btn-secondary:hover{background:#f3f8fb;color:#1475a8;border-color:#91b6cc;}
body.yt-polish .yt-contact{border-left-color:#1475a8;}
@media(min-width:761px) and (max-width:1100px){
 body.yt-polish #header{gap:20px;grid-template-columns:1.1fr 1fr;}
 body.yt-polish .yt-brand-name{font-size:21px;letter-spacing:0;}
 body.yt-polish #logo img.yt-brand-mark{width:48px;height:48px;}
 body.yt-polish #logo .yt-brand-lockup{gap:10px;}
 body.yt-polish .yt-brand-english{font-size:8px;letter-spacing:.1px;}
}
@media(max-width:760px){
 body.yt-polish #header{grid-template-columns:1fr;gap:8px;padding:22px 0 18px;min-height:0;}
 body.yt-polish #logo .yt-brand-lockup{gap:12px;}
 body.yt-polish #logo img.yt-brand-mark{width:46px;height:46px;}
 body.yt-polish .yt-brand-name{font-size:21px;letter-spacing:0;line-height:1.45;}
 body.yt-polish .yt-brand-english{font-size:8px;letter-spacing:.15px;}
 body.yt-polish #menu{border-top:0;}
 body.yt-polish .yt-menu-toggle{background:#f3f8fb;color:#203e51;border:1px solid #d1e1eb;border-radius:3px;}
 body.yt-polish #mtabs{padding:6px 0;border:1px solid #d1e1eb;border-top:0;}
 body.yt-polish #mtabs li>a,body.yt-polish #mtabs li>span>a,
 body.yt-polish #mtabs #nav_0>a:link,body.yt-polish #mtabs #nav_0>a:visited,body.yt-polish #mtabs #nav_0>a:hover,
 body.yt-polish #mtabs li>span>a:link,body.yt-polish #mtabs li>span>a:visited,
 body.yt-polish #mtabs li.navs>a:link,body.yt-polish #mtabs li.navs>a:visited,
 body.yt-polish #mtabs #nav_0.navs>a:link,body.yt-polish #mtabs #nav_0.navs>a:visited,
 body.yt-polish #mtabs li.navs>span>a:link,body.yt-polish #mtabs li.navs>span>a:visited{min-height:44px;padding:10px 4px;}
 body.yt-polish #big_tel{padding:14px 18px;}
 body.yt-polish .yt-phone-number{font-size:24px;}
}